diff --git a/.eslintrc b/.eslintrc
index 39a0c7cef..d00afacfb 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -4,10 +4,8 @@
"node": true
},
"parserOptions": {
- "sourceType": "module",
- "ecmaFeatures": {
- "experimentalObjectRestSpread": true
- }
+ "ecmaVersion": 2018,
+ "sourceType": "module"
},
"rules": {
"strict": 0,
diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 000000000..8fa789baa
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,3 @@
+# Shows a funding button via Open Collective
+
+open_collective: grapesjs
diff --git a/.github/ISSUE_TEMPLATE.md b/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 000000000..dcf0001cf
--- /dev/null
+++ b/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,26 @@
+## WARNING
+READ and FOLLOW next 5 steps, then REMOVE them before posting the issue
+
+1. Follow CONTRIBUTING Guidelines https://github.com/artf/grapesjs/blob/master/CONTRIBUTING.md
+2. Use the GitHub Issues EXCLUSIVELY for BUGS, FEATURE REQUESTS or QUESTIONS. Prefix the title of the issue with its context, eg. `[Bug]: ....`
+3. Do a quick SEARCH first, to see if someone else didn't open the same issue
+4. DON'T ASK to create examples/code for you, read DOCS and APIs first, then you can post what you have tried (we'd like to see your code) and what you're unable to achieve
+5. All relative statements/questions have to be filled/answered, otherwise, the issue might be CLOSED
+
+## You're submitting a BUG
+ 1. Are you using the latest release (older versions are NOT supported)?
+ 1. If you're not sure, type `grapesjs.version` in console and press ENTER
+ 1. Are you facing the bug with your local copy of GrapesJS or with the current demo?
+ 1. If a local copy
+ 1. Indicate all informations about your OS, browser and GrapesJS version.
+ 1. Are you able to reproduce the bug from the demo?
+ 1. What is the expected behavior?
+ 1. What happens instead?
+ 1. If you're able to reproduce the bug indicate all the necessary steps
+ 1. Attach screenshots (using KAP/LICEcap), screencasts or live demo
+ 1. JSFiddle Starter template https://jsfiddle.net/szLp8h4n
+ 1. CodeSandbox Starter template https://codesandbox.io/s/1r0w2pk1vl
+
+## You're submitting a FEATURE REQUEST
+ 1. Be sure to work on the latest version, as the feature might be already there
+ 1. Keep in mind that the feature should be considered valid to use for everyone, not only for your case
diff --git a/.github/lock.yml b/.github/lock.yml
new file mode 100644
index 000000000..3c621e2ca
--- /dev/null
+++ b/.github/lock.yml
@@ -0,0 +1,38 @@
+# Configuration for Lock Threads - https://github.com/dessant/lock-threads
+
+# Number of days of inactivity before a closed issue or pull request is locked
+daysUntilLock: 365
+
+# Skip issues and pull requests created before a given timestamp. Timestamp must
+# follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable
+skipCreatedBefore: false
+
+# Issues and pull requests with these labels will be ignored. Set to `[]` to disable
+exemptLabels: []
+
+# Label to add before locking, such as `outdated`. Set to `false` to disable
+lockLabel: outdated
+
+# Comment to post before locking. Set to `false` to disable
+lockComment: >
+ This thread has been automatically locked since there has not been
+ any recent activity after it was closed. Please open a new issue for
+ related bugs.
+
+# Assign `resolved` as the reason for locking. Set to `false` to disable
+setLockReason: true
+
+# Limit to only `issues` or `pulls`
+# only: issues
+
+# Optionally, specify configuration settings just for `issues` or `pulls`
+# issues:
+# exemptLabels:
+# - help-wanted
+# lockLabel: outdated
+
+# pulls:
+# daysUntilLock: 30
+
+# Repository to extend settings from
+# _extends: repo
\ No newline at end of file
diff --git a/.github/no-response.yml b/.github/no-response.yml
new file mode 100644
index 000000000..3f22a7763
--- /dev/null
+++ b/.github/no-response.yml
@@ -0,0 +1,13 @@
+# Configuration for probot-no-response - https://github.com/probot/no-response
+
+# Number of days of inactivity before an Issue is closed for lack of response
+daysUntilClose: 10
+# Label requiring a response
+responseRequiredLabel: more-information-needed
+# Comment to post when closing an Issue for lack of response. Set to `false` to disable
+closeComment: >
+ This issue has been automatically closed because there has been no response
+ to our request for more information from the original author. With only the
+ information that is currently in the issue, we don't have enough information
+ to take action. Please reach out if you have or find the answers we need so
+ that we can investigate further.
diff --git a/.gitignore b/.gitignore
index f21e704de..a68fe8236 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,15 +4,18 @@
.project
.idea
npm-debug.log*
+yarn-error.log
+yarn.lock
style/.sass-cache/
+stats.json
img/
images/
private/
-docs/
vendor/
coverage/
node_modules/
bower_components/
grapesjs-*.tgz
_index.html
+docs/.vuepress/dist
diff --git a/.travis.yml b/.travis.yml
index 0d2819ba5..437ee5d93 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,3 +1,4 @@
language: node_js
node_js:
- - "7.6"
+ - "8"
+ - "10"
diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
new file mode 100644
index 000000000..7561f0b9b
--- /dev/null
+++ b/CODE_OF_CONDUCT.md
@@ -0,0 +1,46 @@
+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the project team at artur.catch@hotmail.it. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
+
+[homepage]: http://contributor-covenant.org
+[version]: http://contributor-covenant.org/version/1/4/
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
new file mode 100644
index 000000000..5d8a3a673
--- /dev/null
+++ b/CONTRIBUTING.md
@@ -0,0 +1,52 @@
+# Contribute
+
+## Introduction
+
+First of all, thank you for considering contributing to GrapesJS!
+
+We welcome any type of contribution, not only code. Like for example:
+- **QA**: file bug reports, the more details you can give the better (e.g. screenshots with the console open)
+- **Marketing**: writing blog posts, howto's, tutorials, etc.
+- **Community**: presenting the project at meetups, organizing a dedicated meetup for the local community, etc.
+- **Money**: We welcome financial contributions in full transparency on our [Open Collective].
+
+
+## Your First Contribution
+
+Working on your first Pull Request? You can learn how from this **free** series, [How to Contribute to an Open Source Project on GitHub](https://egghead.io/series/how-to-contribute-to-an-open-source-project-on-github).
+
+
+## Submitting code
+
+Any code change should be submitted as a pull request. Before start working on something make always a search in opened issues and pull requests, this might help you to avoid waisting time.
+
+A pull request could be a bug fix, new feature and much more, but in all cases, **open a new issue** and talk about what you want to do. Often happens to work on something already fixed (ready to release) or in progress.
+
+The title should be brief but comprehensive, the description contains a link to the opened issue and the proposed solution. The pull request should contain tests whenever possible. Keep in mind that the bigger is the pull request, the longer it will take to review and merge. Try to break down large pull requests in smaller chunks that are easier to review and merge.
+
+
+## Styleguide
+
+The code is auto formatted with [prettier](https://github.com/prettier/prettier) on any commit, therefore you can write in any style you prefer
+
+
+## Expenses
+
+Anyone can file an expense (code, marketing, etc.) via our [Open Collective]. If the expense makes sense for the development of the community, it will be "merged" in the ledger of our open collective by the core contributors and the person who filed the expense will be reimbursed.
+
+Before submitting an expense contact core contributors via the current active chat room ([Discord](https://discord.gg/QAbgGXq)) and explain your intents
+
+
+## Questions
+
+If you have any questions, create an [issue](https://github.com/artf/grapesjs/issues) (protip: do a quick search first to see if someone else didn't ask the same question before!).
+
+
+
+## Credits
+
+Thank you to all the people who have already contributed to GrapesJS!
+
+
+
+[Open Collective]:
diff --git a/LICENSE b/LICENSE
index d880dc50e..5d5a2f861 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2017, Artur Arseniev
+Copyright (c) 2017-current, Artur Arseniev
All rights reserved.
Redistribution and use in source and binary forms, with or without modification,
diff --git a/README.md b/README.md
index 4e73396bb..010b75d5c 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,8 @@
[](https://discord.gg/QAbgGXq)
[](https://cdnjs.com/libraries/grapesjs)
[](https://www.npmjs.com/package/grapesjs)
+[](https://www.browserstack.com/automate/public-build/QksxaStYaGI3eE5VMDlPTEh0Z3hYOXEwRWNMc1ZYT0lNbEJxMWdOZWFDZz0tLWlqcFVWb05PMmlQMmU3emFIZkFNWVE9PQ==--e89345be5e303d515276e3accd6f1316dfa857ab)
+
-
-* Layer Manager, that comes handy with nested elements
-
-
-* Code Viewer
-
-
-* Asset Manager, for uploading and managing images
-
+| Code Viewer | Asset Manager |
+|--|--|
+|||
* Local and remote storage
@@ -69,12 +65,12 @@ Newsletter Demo - http://grapesjs.com/demo-newsletter-editor.html
## Download
* CDNs
- * UNPKG
+ * UNPKG (resolves to the latest version)
* `https://unpkg.com/grapesjs`
* `https://unpkg.com/grapesjs/dist/css/grapes.min.css`
- * CDNJS
- * `https://cdnjs.cloudflare.com/ajax/libs/grapesjs/0.12.17/grapes.min.js`
- * `https://cdnjs.cloudflare.com/ajax/libs/grapesjs/0.12.17/css/grapes.min.css`
+ * CDNJS (replace `X.X.X` with the current version)
+ * `https://cdnjs.cloudflare.com/ajax/libs/grapesjs/X.X.X/grapes.min.js`
+ * `https://cdnjs.cloudflare.com/ajax/libs/grapesjs/X.X.X/css/grapes.min.css`
* NPM
* `npm i grapesjs`
* GIT
@@ -122,9 +118,6 @@ You could also grab the content directly from the element with `fromElement` pro
For more practical example I suggest to look up the code inside this demo: http://grapesjs.com/demo.html
-
-
-
## Development
GrapesJS uses [Webpack](https://github.com/webpack/webpack) as a module bundler and [Babel](https://github.com/babel/babel) as a compiler.
@@ -151,7 +144,7 @@ Once the development server is started you should be able to reach the demo page
## Documentation
-Check the getting started guide here: [wiki]
+Check the getting started guide here: [Documentation]
@@ -181,14 +174,23 @@ $ npm test
* [grapesjs-plugin-export](https://github.com/artf/grapesjs-plugin-export) - Export GrapesJS templates in a zip archive
* [grapesjs-plugin-filestack](https://github.com/artf/grapesjs-plugin-filestack) - Add Filestack uploader in Asset Manager
* [grapesjs-plugin-ckeditor](https://github.com/artf/grapesjs-plugin-ckeditor) - Replaces the built-in RTE with CKEditor
-* [grapesjs-aviary](https://github.com/artf/grapesjs-aviary) - Add the Aviary Image Editor
+* [grapesjs-aviary](https://github.com/artf/grapesjs-aviary) - Add the Aviary Image Editor (dismissed, use the plugin below instead)
+* [grapesjs-tui-image-editor](https://github.com/artf/grapesjs-tui-image-editor) - GrapesJS TOAST UI Image Editor
* [grapesjs-blocks-basic](https://github.com/artf/grapesjs-blocks-basic) - Basic set of blocks
* [grapesjs-plugin-forms](https://github.com/artf/grapesjs-plugin-forms) - Set of form components and blocks
* [grapesjs-navbar](https://github.com/artf/grapesjs-navbar) - Simple navbar component
* [grapesjs-component-countdown](https://github.com/artf/grapesjs-component-countdown) - Simple countdown component
-* [grapesjs-style-gradient](https://github.com/artf/grapesjs-style-gradient) - Add a gradient type input
+* [grapesjs-style-gradient](https://github.com/artf/grapesjs-style-gradient) - Add `gradient` type input to the Style Manager
+* [grapesjs-style-filter](https://github.com/artf/grapesjs-style-filter) - Add `filter` type input to the Style Manager
* [grapesjs-blocks-flexbox](https://github.com/artf/grapesjs-blocks-flexbox) - Add the flexbox block
* [grapesjs-lory-slider](https://github.com/artf/grapesjs-lory-slider) - Slider component by using [lory](https://github.com/meandmax/lory)
+* [grapesjs-tabs](https://github.com/artf/grapesjs-tabs) - Simple tabs component
+* [grapesjs-tooltip](https://github.com/artf/grapesjs-tooltip) - Simple, CSS only, tooltip component for GrapesJS
+* [grapesjs-custom-code](https://github.com/artf/grapesjs-custom-code) - Embed custom code
+* [grapesjs-touch](https://github.com/artf/grapesjs-touch) - Enable touch support
+* [grapesjs-indexeddb](https://github.com/artf/grapesjs-indexeddb) - Storage wrapper for IndexedDB
+* [grapesjs-firestore](https://github.com/artf/grapesjs-firestore) - Storage wrapper for [Cloud Firestore](https://firebase.google.com/docs/firestore)
+* [grapesjs-parser-postcss](https://github.com/artf/grapesjs-parser-postcss) - Custom CSS parser for GrapesJS by using [PostCSS](https://github.com/postcss/postcss)
### Presets
* [grapesjs-preset-webpage](https://github.com/artf/grapesjs-preset-webpage) - Webpage Builder
@@ -207,6 +209,7 @@ Find out more about plugins here: [Creating plugins](https://github.com/artf/gra
If you like the project support it with a donation of your choice or become a backer/sponsor via [Open Collective](https://opencollective.com/grapesjs)
[](https://paypal.me/grapesjs)
+[](https://commerce.coinbase.com/checkout/fc90b940-558d-408b-a166-28a823c98173)
@@ -229,7 +232,14 @@ If you like the project support it with a donation of your choice or become a ba
+
+
+
+
+
+[](https://www.browserstack.com)
+Thanks to [BrowserStack](https://www.browserstack.com) for providing us browser testing services
## License
@@ -237,6 +247,6 @@ If you like the project support it with a donation of your choice or become a ba
BSD 3-clause
-[wiki]:
-[API-Reference]:
+[Documentation]:
+[API-Reference]:
[CMS]:
diff --git a/dist/css/grapes.min.css b/dist/css/grapes.min.css
index 533a24671..d004a0f1d 100644
--- a/dist/css/grapes.min.css
+++ b/dist/css/grapes.min.css
@@ -1,4 +1,4 @@
.sp-container{position:absolute;top:0;left:0;display:inline-block;*display:inline;*zoom:1;z-index:9999994;overflow:hidden}.sp-container.sp-flat{position:relative}.sp-container,.sp-container *{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}.sp-top{position:relative;width:100%;display:inline-block}.sp-top-inner{position:absolute;top:0;left:0;bottom:0;right:0}.sp-color{position:absolute;top:0;left:0;bottom:0;right:20%}.sp-hue{position:absolute;top:0;right:0;bottom:0;left:84%;height:100%}.sp-clear-enabled .sp-hue{top:33px;height:77.5%}.sp-fill{padding-top:80%}.sp-sat,.sp-val{position:absolute;top:0;left:0;right:0;bottom:0}.sp-alpha-enabled .sp-top{margin-bottom:18px}.sp-alpha-enabled .sp-alpha{display:block}.sp-alpha-handle{position:absolute;top:-4px;bottom:-4px;width:6px;left:50%;cursor:pointer;border:1px solid black;background:white;opacity:.8}.sp-alpha{display:none;position:absolute;bottom:-14px;right:0;left:0;height:8px}.sp-alpha-inner{border:solid 1px #333}.sp-clear{display:none}.sp-clear.sp-clear-display{background-position:center}.sp-clear-enabled .sp-clear{display:block;position:absolute;top:0px;right:0;bottom:0;left:84%;height:28px}.sp-container,.sp-replacer,.sp-preview,.sp-dragger,.sp-slider,.sp-alpha,.sp-clear,.sp-alpha-handle,.sp-container.sp-dragging .sp-input,.sp-container button{-webkit-user-select:none;-moz-user-select:-moz-none;-o-user-select:none;user-select:none}.sp-container.sp-input-disabled .sp-input-container{display:none}.sp-container.sp-buttons-disabled .sp-button-container{display:none}.sp-container.sp-palette-buttons-disabled .sp-palette-button-container{display:none}.sp-palette-only .sp-picker-container{display:none}.sp-palette-disabled .sp-palette-container{display:none}.sp-initial-disabled .sp-initial{display:none}.sp-sat{background-image:-webkit-gradient(linear, 0 0, 100% 0, from(#fff), to(rgba(204,154,129,0)));background-image:-webkit-linear-gradient(left, #fff, rgba(204,154,129,0));background-image:-moz-linear-gradient(left, #fff, rgba(204,154,129,0));background-image:-o-linear-gradient(left, #fff, rgba(204,154,129,0));background-image:-ms-linear-gradient(left, #fff, rgba(204,154,129,0));background-image:linear-gradient(to right, #fff, rgba(204,154,129,0));-ms-filter:"progid:DXImageTransform.Microsoft.gradient(GradientType = 1, startColorstr=#FFFFFFFF, endColorstr=#00CC9A81)";filter:progid:DXImageTransform.Microsoft.gradient(GradientType = 1, startColorstr='#FFFFFFFF', endColorstr='#00CC9A81')}.sp-val{background-image:-webkit-gradient(linear, 0 100%, 0 0, from(#000), to(rgba(204,154,129,0)));background-image:-webkit-linear-gradient(bottom, #000, rgba(204,154,129,0));background-image:-moz-linear-gradient(bottom, #000, rgba(204,154,129,0));background-image:-o-linear-gradient(bottom, #000, rgba(204,154,129,0));background-image:-ms-linear-gradient(bottom, #000, rgba(204,154,129,0));background-image:linear-gradient(to top, #000, rgba(204,154,129,0));-ms-filter:"progid:DXImageTransform.Microsoft.gradient(startColorstr=#00CC9A81, endColorstr=#FF000000)";filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#00CC9A81', endColorstr='#FF000000')}.sp-hue{background:-moz-linear-gradient(top, red 0%, #ff0 17%, lime 33%, cyan 50%, blue 67%, #f0f 83%, red 100%);background:-ms-linear-gradient(top, red 0%, #ff0 17%, lime 33%, cyan 50%, blue 67%, #f0f 83%, red 100%);background:-o-linear-gradient(top, red 0%, #ff0 17%, lime 33%, cyan 50%, blue 67%, #f0f 83%, red 100%);background:-webkit-gradient(linear, left top, left bottom, from(red), color-stop(0.17, #ff0), color-stop(0.33, lime), color-stop(0.5, cyan), color-stop(0.67, blue), color-stop(0.83, #f0f), to(red));background:-webkit-linear-gradient(top, red 0%, #ff0 17%, lime 33%, cyan 50%, blue 67%, #f0f 83%, red 100%);background:linear-gradient(to bottom, red 0%, #ff0 17%, lime 33%, cyan 50%, blue 67%, #f0f 83%, red 100%)}.sp-1{height:17%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff0000', endColorstr='#ffff00')}.sp-2{height:16%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ffff00', endColorstr='#00ff00')}.sp-3{height:17%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#00ff00', endColorstr='#00ffff')}.sp-4{height:17%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#00ffff', endColorstr='#0000ff')}.sp-5{height:16%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#0000ff', endColorstr='#ff00ff')}.sp-6{height:17%;filter:progid:DXImageTransform.Microsoft.gradient(startColorstr='#ff00ff', endColorstr='#ff0000')}.sp-hidden{display:none !important}.sp-cf:before,.sp-cf:after{content:"";display:table}.sp-cf:after{clear:both}.sp-cf{*zoom:1}@media (max-device-width: 480px){.sp-color{right:40%}.sp-hue{left:63%}.sp-fill{padding-top:60%}}.sp-dragger{border-radius:5px;height:5px;width:5px;border:1px solid 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--- a/dist/grapes.js
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exports["grapesjs"] = factory();
else
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/******/ // Load entry module and return exports
-/******/ return __webpack_require__(__webpack_require__.s = 58);
+/******/ return __webpack_require__(__webpack_require__.s = "./src/index.js");
/******/ })
/************************************************************************/
-/******/ ([
-/* 0 */
-/***/ (function(module, exports, __webpack_require__) {
+/******/ ({
-/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Backbone.js 1.3.3
+/***/ "./node_modules/@babel/runtime/helpers/arrayWithHoles.js":
+/*!***************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/arrayWithHoles.js ***!
+ \***************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
-// (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
-// Backbone may be freely distributed under the MIT license.
-// For all details and documentation:
-// http://backbonejs.org
+function _arrayWithHoles(arr) {
+ if (Array.isArray(arr)) return arr;
+}
-(function(factory) {
+module.exports = _arrayWithHoles;
- // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
- // We use `self` instead of `window` for `WebWorker` support.
- var root = (typeof self == 'object' && self.self === self && self) ||
- (typeof global == 'object' && global.global === global && global);
+/***/ }),
- // Set up Backbone appropriately for the environment. Start with AMD.
- if (true) {
- !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(1), __webpack_require__(9), exports], __WEBPACK_AMD_DEFINE_RESULT__ = function(_, $, exports) {
- // Export global even in AMD case in case this script is loaded with
- // others that may still expect a global Backbone.
- root.Backbone = factory(root, exports, _, $);
- }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
- __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+/***/ "./node_modules/@babel/runtime/helpers/arrayWithoutHoles.js":
+/*!******************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/arrayWithoutHoles.js ***!
+ \******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // Next for Node.js or CommonJS. jQuery may not be needed as a module.
- } else if (typeof exports !== 'undefined') {
- var _ = require('underscore'), $;
- try { $ = require('jquery'); } catch (e) {}
- factory(root, exports, _, $);
+function _arrayWithoutHoles(arr) {
+ if (Array.isArray(arr)) {
+ for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) {
+ arr2[i] = arr[i];
+ }
- // Finally, as a browser global.
- } else {
- root.Backbone = factory(root, {}, root._, (root.jQuery || root.Zepto || root.ender || root.$));
+ return arr2;
}
+}
-})(function(root, Backbone, _, $) {
+module.exports = _arrayWithoutHoles;
- // Initial Setup
- // -------------
+/***/ }),
- // Save the previous value of the `Backbone` variable, so that it can be
- // restored later on, if `noConflict` is used.
- var previousBackbone = root.Backbone;
+/***/ "./node_modules/@babel/runtime/helpers/classCallCheck.js":
+/*!***************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/classCallCheck.js ***!
+ \***************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // Create a local reference to a common array method we'll want to use later.
- var slice = Array.prototype.slice;
+function _classCallCheck(instance, Constructor) {
+ if (!(instance instanceof Constructor)) {
+ throw new TypeError("Cannot call a class as a function");
+ }
+}
- // Current version of the library. Keep in sync with `package.json`.
- Backbone.VERSION = '1.3.3';
+module.exports = _classCallCheck;
- // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
- // the `$` variable.
- Backbone.$ = $;
+/***/ }),
- // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
- // to its previous owner. Returns a reference to this Backbone object.
- Backbone.noConflict = function() {
- root.Backbone = previousBackbone;
- return this;
- };
+/***/ "./node_modules/@babel/runtime/helpers/createClass.js":
+/*!************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/createClass.js ***!
+ \************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
- // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
- // set a `X-Http-Method-Override` header.
- Backbone.emulateHTTP = false;
+function _defineProperties(target, props) {
+ for (var i = 0; i < props.length; i++) {
+ var descriptor = props[i];
+ descriptor.enumerable = descriptor.enumerable || false;
+ descriptor.configurable = true;
+ if ("value" in descriptor) descriptor.writable = true;
+ Object.defineProperty(target, descriptor.key, descriptor);
+ }
+}
- // Turn on `emulateJSON` to support legacy servers that can't deal with direct
- // `application/json` requests ... this will encode the body as
- // `application/x-www-form-urlencoded` instead and will send the model in a
- // form param named `model`.
- Backbone.emulateJSON = false;
+function _createClass(Constructor, protoProps, staticProps) {
+ if (protoProps) _defineProperties(Constructor.prototype, protoProps);
+ if (staticProps) _defineProperties(Constructor, staticProps);
+ return Constructor;
+}
- // Proxy Backbone class methods to Underscore functions, wrapping the model's
- // `attributes` object or collection's `models` array behind the scenes.
- //
- // collection.filter(function(model) { return model.get('age') > 10 });
- // collection.each(this.addView);
- //
- // `Function#apply` can be slow so we use the method's arg count, if we know it.
- var addMethod = function(length, method, attribute) {
- switch (length) {
- case 1: return function() {
- return _[method](this[attribute]);
- };
- case 2: return function(value) {
- return _[method](this[attribute], value);
- };
- case 3: return function(iteratee, context) {
- return _[method](this[attribute], cb(iteratee, this), context);
- };
- case 4: return function(iteratee, defaultVal, context) {
- return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
- };
- default: return function() {
- var args = slice.call(arguments);
- args.unshift(this[attribute]);
- return _[method].apply(_, args);
- };
- }
- };
- var addUnderscoreMethods = function(Class, methods, attribute) {
- _.each(methods, function(length, method) {
- if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
- });
- };
+module.exports = _createClass;
- // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
- var cb = function(iteratee, instance) {
- if (_.isFunction(iteratee)) return iteratee;
- if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
- if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
- return iteratee;
- };
- var modelMatcher = function(attrs) {
- var matcher = _.matches(attrs);
- return function(model) {
- return matcher(model.attributes);
- };
- };
+/***/ }),
- // Backbone.Events
- // ---------------
+/***/ "./node_modules/@babel/runtime/helpers/defineProperty.js":
+/*!***************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/defineProperty.js ***!
+ \***************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // A module that can be mixed in to *any object* in order to provide it with
- // a custom event channel. You may bind a callback to an event with `on` or
- // remove with `off`; `trigger`-ing an event fires all callbacks in
- // succession.
- //
- // var object = {};
- // _.extend(object, Backbone.Events);
- // object.on('expand', function(){ alert('expanded'); });
- // object.trigger('expand');
- //
- var Events = Backbone.Events = {};
+function _defineProperty(obj, key, value) {
+ if (key in obj) {
+ Object.defineProperty(obj, key, {
+ value: value,
+ enumerable: true,
+ configurable: true,
+ writable: true
+ });
+ } else {
+ obj[key] = value;
+ }
- // Regular expression used to split event strings.
- var eventSplitter = /\s+/;
+ return obj;
+}
- // Iterates over the standard `event, callback` (as well as the fancy multiple
- // space-separated events `"change blur", callback` and jQuery-style event
- // maps `{event: callback}`).
- var eventsApi = function(iteratee, events, name, callback, opts) {
- var i = 0, names;
- if (name && typeof name === 'object') {
- // Handle event maps.
- if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
- for (names = _.keys(name); i < names.length ; i++) {
- events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
- }
- } else if (name && eventSplitter.test(name)) {
- // Handle space-separated event names by delegating them individually.
- for (names = name.split(eventSplitter); i < names.length; i++) {
- events = iteratee(events, names[i], callback, opts);
- }
- } else {
- // Finally, standard events.
- events = iteratee(events, name, callback, opts);
- }
- return events;
- };
+module.exports = _defineProperty;
- // Bind an event to a `callback` function. Passing `"all"` will bind
- // the callback to all events fired.
- Events.on = function(name, callback, context) {
- return internalOn(this, name, callback, context);
- };
+/***/ }),
- // Guard the `listening` argument from the public API.
- var internalOn = function(obj, name, callback, context, listening) {
- obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
- context: context,
- ctx: obj,
- listening: listening
- });
+/***/ "./node_modules/@babel/runtime/helpers/iterableToArray.js":
+/*!****************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/iterableToArray.js ***!
+ \****************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- if (listening) {
- var listeners = obj._listeners || (obj._listeners = {});
- listeners[listening.id] = listening;
- }
+function _iterableToArray(iter) {
+ if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter);
+}
- return obj;
- };
+module.exports = _iterableToArray;
- // Inversion-of-control versions of `on`. Tell *this* object to listen to
- // an event in another object... keeping track of what it's listening to
- // for easier unbinding later.
- Events.listenTo = function(obj, name, callback) {
- if (!obj) return this;
- var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
- var listeningTo = this._listeningTo || (this._listeningTo = {});
- var listening = listeningTo[id];
+/***/ }),
- // This object is not listening to any other events on `obj` yet.
- // Setup the necessary references to track the listening callbacks.
- if (!listening) {
- var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
- listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
- }
+/***/ "./node_modules/@babel/runtime/helpers/iterableToArrayLimit.js":
+/*!*********************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/iterableToArrayLimit.js ***!
+ \*********************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // Bind callbacks on obj, and keep track of them on listening.
- internalOn(obj, name, callback, this, listening);
- return this;
- };
+function _iterableToArrayLimit(arr, i) {
+ if (!(Symbol.iterator in Object(arr) || Object.prototype.toString.call(arr) === "[object Arguments]")) {
+ return;
+ }
- // The reducing API that adds a callback to the `events` object.
- var onApi = function(events, name, callback, options) {
- if (callback) {
- var handlers = events[name] || (events[name] = []);
- var context = options.context, ctx = options.ctx, listening = options.listening;
- if (listening) listening.count++;
+ var _arr = [];
+ var _n = true;
+ var _d = false;
+ var _e = undefined;
- handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
+ try {
+ for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) {
+ _arr.push(_s.value);
+
+ if (i && _arr.length === i) break;
}
- return events;
- };
+ } catch (err) {
+ _d = true;
+ _e = err;
+ } finally {
+ try {
+ if (!_n && _i["return"] != null) _i["return"]();
+ } finally {
+ if (_d) throw _e;
+ }
+ }
- // Remove one or many callbacks. If `context` is null, removes all
- // callbacks with that function. If `callback` is null, removes all
- // callbacks for the event. If `name` is null, removes all bound
- // callbacks for all events.
- Events.off = function(name, callback, context) {
- if (!this._events) return this;
- this._events = eventsApi(offApi, this._events, name, callback, {
- context: context,
- listeners: this._listeners
- });
- return this;
- };
+ return _arr;
+}
- // Tell this object to stop listening to either specific events ... or
- // to every object it's currently listening to.
- Events.stopListening = function(obj, name, callback) {
- var listeningTo = this._listeningTo;
- if (!listeningTo) return this;
+module.exports = _iterableToArrayLimit;
- var ids = obj ? [obj._listenId] : _.keys(listeningTo);
+/***/ }),
- for (var i = 0; i < ids.length; i++) {
- var listening = listeningTo[ids[i]];
+/***/ "./node_modules/@babel/runtime/helpers/nonIterableRest.js":
+/*!****************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/nonIterableRest.js ***!
+ \****************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // If listening doesn't exist, this object is not currently
- // listening to obj. Break out early.
- if (!listening) break;
+function _nonIterableRest() {
+ throw new TypeError("Invalid attempt to destructure non-iterable instance");
+}
- listening.obj.off(name, callback, this);
- }
+module.exports = _nonIterableRest;
- return this;
- };
+/***/ }),
- // The reducing API that removes a callback from the `events` object.
- var offApi = function(events, name, callback, options) {
- if (!events) return;
+/***/ "./node_modules/@babel/runtime/helpers/nonIterableSpread.js":
+/*!******************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/nonIterableSpread.js ***!
+ \******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- var i = 0, listening;
- var context = options.context, listeners = options.listeners;
+function _nonIterableSpread() {
+ throw new TypeError("Invalid attempt to spread non-iterable instance");
+}
- // Delete all events listeners and "drop" events.
- if (!name && !callback && !context) {
- var ids = _.keys(listeners);
- for (; i < ids.length; i++) {
- listening = listeners[ids[i]];
- delete listeners[listening.id];
- delete listening.listeningTo[listening.objId];
- }
- return;
- }
-
- var names = name ? [name] : _.keys(events);
- for (; i < names.length; i++) {
- name = names[i];
- var handlers = events[name];
+module.exports = _nonIterableSpread;
- // Bail out if there are no events stored.
- if (!handlers) break;
+/***/ }),
- // Replace events if there are any remaining. Otherwise, clean up.
- var remaining = [];
- for (var j = 0; j < handlers.length; j++) {
- var handler = handlers[j];
- if (
- callback && callback !== handler.callback &&
- callback !== handler.callback._callback ||
- context && context !== handler.context
- ) {
- remaining.push(handler);
- } else {
- listening = handler.listening;
- if (listening && --listening.count === 0) {
- delete listeners[listening.id];
- delete listening.listeningTo[listening.objId];
- }
- }
- }
+/***/ "./node_modules/@babel/runtime/helpers/slicedToArray.js":
+/*!**************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/slicedToArray.js ***!
+ \**************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Update tail event if the list has any events. Otherwise, clean up.
- if (remaining.length) {
- events[name] = remaining;
- } else {
- delete events[name];
- }
- }
- return events;
- };
+var arrayWithHoles = __webpack_require__(/*! ./arrayWithHoles */ "./node_modules/@babel/runtime/helpers/arrayWithHoles.js");
- // Bind an event to only be triggered a single time. After the first time
- // the callback is invoked, its listener will be removed. If multiple events
- // are passed in using the space-separated syntax, the handler will fire
- // once for each event, not once for a combination of all events.
- Events.once = function(name, callback, context) {
- // Map the event into a `{event: once}` object.
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
- if (typeof name === 'string' && context == null) callback = void 0;
- return this.on(events, callback, context);
- };
+var iterableToArrayLimit = __webpack_require__(/*! ./iterableToArrayLimit */ "./node_modules/@babel/runtime/helpers/iterableToArrayLimit.js");
- // Inversion-of-control versions of `once`.
- Events.listenToOnce = function(obj, name, callback) {
- // Map the event into a `{event: once}` object.
- var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
- return this.listenTo(obj, events);
- };
+var nonIterableRest = __webpack_require__(/*! ./nonIterableRest */ "./node_modules/@babel/runtime/helpers/nonIterableRest.js");
- // Reduces the event callbacks into a map of `{event: onceWrapper}`.
- // `offer` unbinds the `onceWrapper` after it has been called.
- var onceMap = function(map, name, callback, offer) {
- if (callback) {
- var once = map[name] = _.once(function() {
- offer(name, once);
- callback.apply(this, arguments);
- });
- once._callback = callback;
- }
- return map;
- };
+function _slicedToArray(arr, i) {
+ return arrayWithHoles(arr) || iterableToArrayLimit(arr, i) || nonIterableRest();
+}
- // Trigger one or many events, firing all bound callbacks. Callbacks are
- // passed the same arguments as `trigger` is, apart from the event name
- // (unless you're listening on `"all"`, which will cause your callback to
- // receive the true name of the event as the first argument).
- Events.trigger = function(name) {
- if (!this._events) return this;
+module.exports = _slicedToArray;
- var length = Math.max(0, arguments.length - 1);
- var args = Array(length);
- for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
+/***/ }),
- eventsApi(triggerApi, this._events, name, void 0, args);
- return this;
- };
+/***/ "./node_modules/@babel/runtime/helpers/toConsumableArray.js":
+/*!******************************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/toConsumableArray.js ***!
+ \******************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Handles triggering the appropriate event callbacks.
- var triggerApi = function(objEvents, name, callback, args) {
- if (objEvents) {
- var events = objEvents[name];
- var allEvents = objEvents.all;
- if (events && allEvents) allEvents = allEvents.slice();
- if (events) triggerEvents(events, args);
- if (allEvents) triggerEvents(allEvents, [name].concat(args));
- }
- return objEvents;
- };
+var arrayWithoutHoles = __webpack_require__(/*! ./arrayWithoutHoles */ "./node_modules/@babel/runtime/helpers/arrayWithoutHoles.js");
- // A difficult-to-believe, but optimized internal dispatch function for
- // triggering events. Tries to keep the usual cases speedy (most internal
- // Backbone events have 3 arguments).
- var triggerEvents = function(events, args) {
- var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
- switch (args.length) {
- case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
- case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
- case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
- case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
- default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
- }
- };
+var iterableToArray = __webpack_require__(/*! ./iterableToArray */ "./node_modules/@babel/runtime/helpers/iterableToArray.js");
- // Aliases for backwards compatibility.
- Events.bind = Events.on;
- Events.unbind = Events.off;
+var nonIterableSpread = __webpack_require__(/*! ./nonIterableSpread */ "./node_modules/@babel/runtime/helpers/nonIterableSpread.js");
- // Allow the `Backbone` object to serve as a global event bus, for folks who
- // want global "pubsub" in a convenient place.
- _.extend(Backbone, Events);
+function _toConsumableArray(arr) {
+ return arrayWithoutHoles(arr) || iterableToArray(arr) || nonIterableSpread();
+}
- // Backbone.Model
- // --------------
+module.exports = _toConsumableArray;
- // Backbone **Models** are the basic data object in the framework --
- // frequently representing a row in a table in a database on your server.
- // A discrete chunk of data and a bunch of useful, related methods for
- // performing computations and transformations on that data.
+/***/ }),
- // Create a new model with the specified attributes. A client id (`cid`)
- // is automatically generated and assigned for you.
- var Model = Backbone.Model = function(attributes, options) {
- var attrs = attributes || {};
- options || (options = {});
- this.cid = _.uniqueId(this.cidPrefix);
- this.attributes = {};
- if (options.collection) this.collection = options.collection;
- if (options.parse) attrs = this.parse(attrs, options) || {};
- var defaults = _.result(this, 'defaults');
- attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
- this.set(attrs, options);
- this.changed = {};
- this.initialize.apply(this, arguments);
- };
+/***/ "./node_modules/@babel/runtime/helpers/typeof.js":
+/*!*******************************************************!*\
+ !*** ./node_modules/@babel/runtime/helpers/typeof.js ***!
+ \*******************************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- // Attach all inheritable methods to the Model prototype.
- _.extend(Model.prototype, Events, {
+function _typeof2(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); }
- // A hash of attributes whose current and previous value differ.
- changed: null,
+function _typeof(obj) {
+ if (typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol") {
+ module.exports = _typeof = function _typeof(obj) {
+ return _typeof2(obj);
+ };
+ } else {
+ module.exports = _typeof = function _typeof(obj) {
+ return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj);
+ };
+ }
- // The value returned during the last failed validation.
- validationError: null,
+ return _typeof(obj);
+}
- // The default name for the JSON `id` attribute is `"id"`. MongoDB and
- // CouchDB users may want to set this to `"_id"`.
- idAttribute: 'id',
+module.exports = _typeof;
- // The prefix is used to create the client id which is used to identify models locally.
- // You may want to override this if you're experiencing name clashes with model ids.
- cidPrefix: 'c',
+/***/ }),
- // Initialize is an empty function by default. Override it with your own
- // initialization logic.
- initialize: function(){},
+/***/ "./node_modules/backbone-undo/Backbone.Undo.js":
+/*!*****************************************************!*\
+ !*** ./node_modules/backbone-undo/Backbone.Undo.js ***!
+ \*****************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Return a copy of the model's `attributes` object.
- toJSON: function(options) {
- return _.clone(this.attributes);
- },
+var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*!
+ * Backbone.Undo.js v0.2
+ *
+ * Copyright (c)2013 Oliver Sartun
+ * Released under the MIT License
+ *
+ * Documentation and full license available at
+ * https://github.com/osartun/Backbone.Undo.js
+ */
- // Proxy `Backbone.sync` by default -- but override this if you need
- // custom syncing semantics for *this* particular model.
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
- // Get the value of an attribute.
- get: function(attr) {
- return this.attributes[attr];
- },
+(function (factory) {
+ if (true) {
+ // AMD support
+ !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! underscore */ "./node_modules/underscore/underscore.js"), __webpack_require__(/*! backbone */ "./node_modules/backbone/backbone.js")], __WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+ __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+ (__WEBPACK_AMD_DEFINE_FACTORY__.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__)) : __WEBPACK_AMD_DEFINE_FACTORY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+ } else {}
+})(function (_, Backbone) {
- // Get the HTML-escaped value of an attribute.
- escape: function(attr) {
- return _.escape(this.get(attr));
- },
+ var core_slice = Array.prototype.slice;
- // Returns `true` if the attribute contains a value that is not null
- // or undefined.
- has: function(attr) {
- return this.get(attr) != null;
- },
+ /**
+ * As call is faster than apply, this is a faster version of apply as it uses call.
+ *
+ * @param {Function} fn The function to execute
+ * @param {Object} ctx The context the function should be called in
+ * @param {Array} args The array of arguments that should be applied to the function
+ * @return Forwards whatever the called function returns
+ */
+ function apply (fn, ctx, args) {
+ return args.length <= 4 ?
+ fn.call(ctx, args[0], args[1], args[2], args[3]) :
+ fn.apply(ctx, args);
+ }
- // Special-cased proxy to underscore's `_.matches` method.
- matches: function(attrs) {
- return !!_.iteratee(attrs, this)(this.attributes);
- },
+ /**
+ * Uses slice on an array or an array-like object.
+ *
+ * @param {Array|Object} arr The array or array-like object.
+ * @param {Number} [index] The index from where the array should be sliced. Default is 0.
+ * @return {Array} The sliced array
+ */
+ function slice (arr, index) {
+ return core_slice.call(arr, index);
+ }
- // Set a hash of model attributes on the object, firing `"change"`. This is
- // the core primitive operation of a model, updating the data and notifying
- // anyone who needs to know about the change in state. The heart of the beast.
- set: function(key, val, options) {
- if (key == null) return this;
+ /**
+ * Checks if an object has one or more specific keys. The keys
+ * don't have to be an owned property.
+ * You can call this function either this way:
+ * hasKeys(obj, ["a", "b", "c"])
+ * or this way:
+ * hasKeys(obj, "a", "b", "c")
+ *
+ * @param {Object} obj The object to check on
+ * @param {Array} keys The keys to check for
+ * @return {Boolean} True, if the object has all those keys
+ */
+ function hasKeys (obj, keys) {
+ if (obj == null) return false;
+ if (!_.isArray(keys)) {
+ keys = slice(arguments, 1);
+ }
+ return _.all(keys, function (key) {
+ return key in obj;
+ });
+ }
- // Handle both `"key", value` and `{key: value}` -style arguments.
- var attrs;
- if (typeof key === 'object') {
- attrs = key;
- options = val;
- } else {
- (attrs = {})[key] = val;
- }
-
- options || (options = {});
-
- // Run validation.
- if (!this._validate(attrs, options)) return false;
+ /**
+ * Returns a number that is unique per call stack. The number gets
+ * changed after the call stack has been completely processed.
+ *
+ * @return {number} MagicFusionIndex
+ */
+ var getMagicFusionIndex = (function () {
+ // If you add several models to a collection or set several
+ // attributes on a model all in sequence and yet all for
+ // example in one function, then several Undo-Actions are
+ // generated.
+ // If you want to undo your last action only the last model
+ // would be removed from the collection or the last set
+ // attribute would be changed back to its previous value.
+ // To prevent that we have to figure out a way to combine
+ // all those actions that happened "at the same time".
+ // Timestamps aren't exact enough. A complex routine could
+ // run several milliseconds and in that time produce a lot
+ // of actions with different timestamps.
+ // Instead we take advantage of the single-threadedness of
+ // JavaScript:
- // Extract attributes and options.
- var unset = options.unset;
- var silent = options.silent;
- var changes = [];
- var changing = this._changing;
- this._changing = true;
+ var callstackWasIndexed = false, magicFusionIndex = -1;
+ function indexCycle() {
+ magicFusionIndex++;
+ callstackWasIndexed = true;
+ _.defer(function () {
+ // Here comes the magic. With a Timeout of 0
+ // milliseconds this function gets called whenever
+ // the current callstack is completed
+ callstackWasIndexed = false;
+ })
+ }
+ return function () {
+ if (!callstackWasIndexed) {
+ indexCycle();
+ }
+ return magicFusionIndex;
+ }
+ })();
- if (!changing) {
- this._previousAttributes = _.clone(this.attributes);
- this.changed = {};
- }
+ /**
+ * To prevent binding a listener several times to one
+ * object, we register the objects in an ObjectRegistry
+ *
+ * @constructor
+ */
+ function ObjectRegistry () {
+ // This uses two different ways of storing
+ // objects: In case the object has a cid
+ // (which Backbone objects typically have)
+ // it uses this cid as an index. That way
+ // the Array's length attribute doesn't
+ // change and the object isn't an item
+ // in the array, but an object-property.
+ // Otherwise it's added to the Array as an
+ // item.
+ // That way we can use the fast property-
+ // lookup and only have to fall back to
+ // iterating over the array in case
+ // non-Backbone-objects are registered.
+ this.registeredObjects = [];
+ // To return a list of all registered
+ // objects in the 'get' method we have to
+ // store the objects that have a cid in
+ // an additional array.
+ this.cidIndexes = [];
+ }
+ ObjectRegistry.prototype = {
+ /**
+ * Returns whether the object is already registered in this ObjectRegistry or not.
+ *
+ * @this {ObjectRegistry}
+ * @param {Object} obj The object to check
+ * @return {Boolean} True if the object is already registered
+ */
+ isRegistered: function (obj) {
+ // This is where we get a performance boost
+ // by using the two different ways of storing
+ // objects.
+ return obj && obj.cid ? this.registeredObjects[obj.cid] : _.contains(this.registeredObjects, obj);
+ },
+ /**
+ * Registers an object in this ObjectRegistry.
+ *
+ * @this {ObjectRegistry}
+ * @param {Object} obj The object to register
+ * @return {undefined}
+ */
+ register: function (obj) {
+ if (!this.isRegistered(obj)) {
+ if (obj && obj.cid) {
+ this.registeredObjects[obj.cid] = obj;
+ this.cidIndexes.push(obj.cid);
+ } else {
+ this.registeredObjects.push(obj);
+ }
+ return true;
+ }
+ return false;
+ },
+ /**
+ * Unregisters an object from this ObjectRegistry.
+ *
+ * @this {ObjectRegistry}
+ * @param {Object} obj The object to unregister
+ * @return {undefined}
+ */
+ unregister: function (obj) {
+ if (this.isRegistered(obj)) {
+ if (obj && obj.cid) {
+ delete this.registeredObjects[obj.cid];
+ this.cidIndexes.splice(_.indexOf(this.cidIndexes, obj.cid), 1);
+ } else {
+ var i = _.indexOf(this.registeredObjects, obj);
+ this.registeredObjects.splice(i, 1);
+ }
+ return true;
+ }
+ return false;
+ },
+ /**
+ * Returns an array of all objects that are currently in this ObjectRegistry.
+ *
+ * @return {Array} An array of all the objects which are currently in the ObjectRegistry
+ */
+ get: function () {
+ return (_.map(this.cidIndexes, function (cid) {return this.registeredObjects[cid];}, this)).concat(this.registeredObjects);
+ }
+ }
- var current = this.attributes;
- var changed = this.changed;
- var prev = this._previousAttributes;
+ /**
+ * Binds or unbinds the "all"-listener for one or more objects.
+ *
+ * @param {String} which Either "on" or "off"
+ * @param {Object[]} objects Array of the objects on which the "all"-listener should be bound / unbound to
+ * @param {Function} [fn] The function that should be bound / unbound. Optional in case of "off"
+ * @param {Object} [ctx] The context the function should be called in
+ * @return {undefined}
+ */
+ function onoff(which, objects, fn, ctx) {
+ for (var i = 0, l = objects.length, obj; i < l; i++) {
+ obj = objects[i];
+ if (!obj) continue;
+ if (which === "on") {
+ if (!ctx.objectRegistry.register(obj)) {
+ // register returned false, so obj was already registered
+ continue;
+ }
+ } else {
+ if (!ctx.objectRegistry.unregister(obj)) {
+ // unregister returned false, so obj wasn't registered
+ continue;
+ }
+ }
+ if (_.isFunction(obj[which])) {
+ obj[which]("all", fn, ctx);
+ }
+ }
+ }
- // For each `set` attribute, update or delete the current value.
- for (var attr in attrs) {
- val = attrs[attr];
- if (!_.isEqual(current[attr], val)) changes.push(attr);
- if (!_.isEqual(prev[attr], val)) {
- changed[attr] = val;
- } else {
- delete changed[attr];
- }
- unset ? delete current[attr] : current[attr] = val;
- }
+ /**
+ * Calls the undo/redo-function for a specific action.
+ *
+ * @param {String} which Either "undo" or "redo"
+ * @param {Object} action The Action's attributes
+ * @return {undefined}
+ */
+ function actionUndoRedo (which, action) {
+ var type = action.type, undoTypes = action.undoTypes, fn = !undoTypes[type] || undoTypes[type][which];
+ if (_.isFunction(fn)) {
+ fn(action.object, action.before, action.after, action.options);
+ }
+ }
- // Update the `id`.
- if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
+ /**
+ * The main undo/redo function.
+ *
+ * @param {String} which Either "undo" or "redo"
+ * @param {UndoManager} manager The UndoManager-instance on which an "undo"/"redo"-Event is triggered afterwards
+ * @param {UndoStack} stack The UndoStack on which we perform
+ * @param {Boolean} magic If true, undoes / redoes all actions with the same magicFusionIndex
+ * @param {Boolean} everything If true, undoes / redoes every action that had been tracked
+ * @return {undefined}
+ */
+ function managerUndoRedo (which, manager, stack, magic, everything) {
+ if (stack.isCurrentlyUndoRedoing ||
+ (which === "undo" && stack.pointer === -1) ||
+ (which === "redo" && stack.pointer === stack.length - 1)) {
+ // We're either currently in an undo- / redo-process or
+ // we reached the end of the stack
+ return;
+ }
+ stack.isCurrentlyUndoRedoing = true;
+ var action, actions, isUndo = which === "undo";
+ if (everything) {
+ // Undo / Redo all steps until you reach the stack's beginning / end
+ actions = isUndo && stack.pointer === stack.length - 1 || // If at the stack's end calling undo
+ !isUndo && stack.pointer === -1 ? // or at the stack's beginning calling redo
+ _.clone(stack.models) : // => Take all the models. Otherwise:
+ core_slice.apply(stack.models, isUndo ? [0, stack.pointer] : [stack.pointer, stack.length - 1]);
+ } else {
+ // Undo / Redo only one step
+ action = stack.at(isUndo ? stack.pointer : stack.pointer + 1);
+ actions = magic ? stack.where({"magicFusionIndex": action.get("magicFusionIndex")}) : [action];
+ }
+
+ stack.pointer += (isUndo ? -1 : 1) * actions.length;
+ while (action = isUndo ? actions.pop() : actions.shift()) {
+ // Here we're calling the Action's undo / redo method
+ action[which]();
+ }
+ stack.isCurrentlyUndoRedoing = false;
- // Trigger all relevant attribute changes.
- if (!silent) {
- if (changes.length) this._pending = options;
- for (var i = 0; i < changes.length; i++) {
- this.trigger('change:' + changes[i], this, current[changes[i]], options);
- }
- }
+ manager.trigger(which, manager);
+ }
- // You might be wondering why there's a `while` loop here. Changes can
- // be recursively nested within `"change"` events.
- if (changing) return this;
- if (!silent) {
- while (this._pending) {
- options = this._pending;
- this._pending = false;
- this.trigger('change', this, options);
- }
- }
- this._pending = false;
- this._changing = false;
- return this;
- },
-
- // Remove an attribute from the model, firing `"change"`. `unset` is a noop
- // if the attribute doesn't exist.
- unset: function(attr, options) {
- return this.set(attr, void 0, _.extend({}, options, {unset: true}));
- },
+ /**
+ * Checks whether an UndoAction should be created or not. Therefore it checks
+ * whether a "condition" property is set in the undoTypes-object of the specific
+ * event type. If not, it returns true. If it's set and a boolean, it returns it.
+ * If it's a function, it returns its result, converting it into a boolean.
+ * Otherwise it returns true.
+ *
+ * @param {Object} undoTypesType The object within the UndoTypes that holds the function for this event type (i.e. "change")
+ * @param {Arguments} args The arguments the "condition" function is called with
+ * @return {Boolean} True, if an UndoAction should be created
+ */
+ function validateUndoActionCreation (undoTypesType, args) {
+ var condition = undoTypesType.condition, type = typeof condition;
+ return type === "function" ? !!apply(condition, undoTypesType, args) :
+ type === "boolean" ? condition : true;
+ }
- // Clear all attributes on the model, firing `"change"`.
- clear: function(options) {
- var attrs = {};
- for (var key in this.attributes) attrs[key] = void 0;
- return this.set(attrs, _.extend({}, options, {unset: true}));
- },
+ /**
+ * Adds an Undo-Action to the stack.
+ *
+ * @param {UndoStack} stack The undostack the action should be added to.
+ * @param {String} type The event type (i.e. "change")
+ * @param {Arguments} args The arguments passed to the undoTypes' "on"-handler
+ * @param {OwnedUndoTypes} undoTypes The undoTypes-object which has the "on"-handler
+ * @return {undefined}
+ */
+ function addToStack(stack, type, args, undoTypes) {
+ if (stack.track && !stack.isCurrentlyUndoRedoing && type in undoTypes &&
+ validateUndoActionCreation(undoTypes[type], args)) {
+ // An UndoAction should be created
+ var res = apply(undoTypes[type]["on"], undoTypes[type], args), diff;
+ if (hasKeys(res, "object", "before", "after")) {
+ res.type = type;
+ res.magicFusionIndex = getMagicFusionIndex();
+ res.undoTypes = undoTypes;
+ if (stack.pointer < stack.length - 1) {
+ // New Actions must always be added to the end of the stack.
+ // If the pointer is not pointed to the last action in the
+ // stack, presumably because actions were undone before, then
+ // all following actions must be discarded
+ var diff = stack.length - stack.pointer - 1;
+ while (diff--) {
+ stack.pop();
+ }
+ }
+ stack.pointer = stack.length;
+ stack.add(res);
+ if (stack.length > stack.maximumStackLength) {
+ stack.shift();
+ stack.pointer--;
+ }
+ }
+ }
+ }
- // Determine if the model has changed since the last `"change"` event.
- // If you specify an attribute name, determine if that attribute has changed.
- hasChanged: function(attr) {
- if (attr == null) return !_.isEmpty(this.changed);
- return _.has(this.changed, attr);
- },
- // Return an object containing all the attributes that have changed, or
- // false if there are no changed attributes. Useful for determining what
- // parts of a view need to be updated and/or what attributes need to be
- // persisted to the server. Unset attributes will be set to undefined.
- // You can also pass an attributes object to diff against the model,
- // determining if there *would be* a change.
- changedAttributes: function(diff) {
- if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
- var old = this._changing ? this._previousAttributes : this.attributes;
- var changed = {};
- for (var attr in diff) {
- var val = diff[attr];
- if (_.isEqual(old[attr], val)) continue;
- changed[attr] = val;
- }
- return _.size(changed) ? changed : false;
- },
+ /**
+ * Predefined UndoTypes object with default handlers for the most common events.
+ * @type {Object}
+ */
+ var UndoTypes = {
+ "add": {
+ "undo": function (collection, ignore, model, options) {
+ // Undo add = remove
+ collection.remove(model, options);
+ },
+ "redo": function (collection, ignore, model, options) {
+ // Redo add = add
+ if (options.index) {
+ options.at = options.index;
+ }
+ collection.add(model, options);
+ },
+ "on": function (model, collection, options) {
+ return {
+ object: collection,
+ before: undefined,
+ after: model,
+ options: _.clone(options)
+ };
+ }
+ },
+ "remove": {
+ "undo": function (collection, model, ignore, options) {
+ if ("index" in options) {
+ options.at = options.index;
+ }
+ collection.add(model, options);
+ },
+ "redo": function (collection, model, ignore, options) {
+ collection.remove(model, options);
+ },
+ "on": function (model, collection, options) {
+ return {
+ object: collection,
+ before: model,
+ after: undefined,
+ options: _.clone(options)
+ };
+ }
+ },
+ "change": {
+ "undo": function (model, before, after, options) {
+ if (_.isEmpty(before)) {
+ _.each(_.keys(after), model.unset, model);
+ } else {
+ model.set(before);
+ if (options && options.unsetData && options.unsetData.before && options.unsetData.before.length) {
+ _.each(options.unsetData.before, model.unset, model);
+ }
+ }
+ },
+ "redo": function (model, before, after, options) {
+ if (_.isEmpty(after)) {
+ _.each(_.keys(before), model.unset, model);
+ } else {
+ model.set(after);
+ if (options && options.unsetData && options.unsetData.after && options.unsetData.after.length) {
+ _.each(options.unsetData.after, model.unset, model);
+ }
+ }
+ },
+ "on": function (model, options) {
+ var
+ afterAttributes = model.changedAttributes(),
+ keysAfter = _.keys(afterAttributes),
+ previousAttributes = _.pick(model.previousAttributes(), keysAfter),
+ keysPrevious = _.keys(previousAttributes),
+ unsetData = (options || (options = {})).unsetData = {
+ after: [],
+ before: []
+ };
- // Get the previous value of an attribute, recorded at the time the last
- // `"change"` event was fired.
- previous: function(attr) {
- if (attr == null || !this._previousAttributes) return null;
- return this._previousAttributes[attr];
- },
+ if (keysAfter.length != keysPrevious.length) {
+ // There are new attributes or old attributes have been unset
+ if (keysAfter.length > keysPrevious.length) {
+ // New attributes have been added
+ _.each(keysAfter, function (val) {
+ if (!(val in previousAttributes)) {
+ unsetData.before.push(val);
+ }
+ }, this);
+ } else {
+ // Old attributes have been unset
+ _.each(keysPrevious, function (val) {
+ if (!(val in afterAttributes)) {
+ unsetData.after.push(val);
+ }
+ })
+ }
+ }
+ return {
+ object: model,
+ before: previousAttributes,
+ after: afterAttributes,
+ options: _.clone(options)
+ };
+ }
+ },
+ "reset": {
+ "undo": function (collection, before, after) {
+ collection.reset(before);
+ },
+ "redo": function (collection, before, after) {
+ collection.reset(after);
+ },
+ "on": function (collection, options) {
+ return {
+ object: collection,
+ before: options.previousModels,
+ after: _.clone(collection.models)
+ };
+ }
+ }
+ };
- // Get all of the attributes of the model at the time of the previous
- // `"change"` event.
- previousAttributes: function() {
- return _.clone(this._previousAttributes);
- },
+ /**
+ * Every UndoManager instance has an own undoTypes object
+ * which is an instance of OwnedUndoTypes. OwnedUndoTypes'
+ * prototype is the global UndoTypes object. Changes to the
+ * global UndoTypes object take effect on every instance of
+ * UndoManager as the object is its prototype. And yet every
+ * local UndoTypes object can be changed individually.
+ *
+ * @constructor
+ */
+ function OwnedUndoTypes () {}
+ OwnedUndoTypes.prototype = UndoTypes;
- // Fetch the model from the server, merging the response with the model's
- // local attributes. Any changed attributes will trigger a "change" event.
- fetch: function(options) {
- options = _.extend({parse: true}, options);
- var model = this;
- var success = options.success;
- options.success = function(resp) {
- var serverAttrs = options.parse ? model.parse(resp, options) : resp;
- if (!model.set(serverAttrs, options)) return false;
- if (success) success.call(options.context, model, resp, options);
- model.trigger('sync', model, resp, options);
- };
- wrapError(this, options);
- return this.sync('read', this, options);
- },
+ /**
+ * Adds, changes or removes an undo-type from an UndoTypes-object.
+ * You can call it this way:
+ * manipulateUndoType (1, "reset", {"on": function () {}}, undoTypes)
+ * or this way to perform bulk actions:
+ * manipulateUndoType (1, {"reset": {"on": function () {}}}, undoTypes)
+ * In case of removing undo-types you can pass an Array for performing
+ * bulk actions:
+ * manipulateUndoType(2, ["reset", "change"], undoTypes)
+ *
+ * @param {Number} manipType Indicates the kind of action to execute: 0 for add, 1 for change, 2 for remove
+ * @param {String|Object|Array} undoType The type of undoType that should be added/changed/removed. Can be an object / array to perform bulk actions
+ * @param {Object} [fns] Object with the functions to add / change. Is optional in case you passed an object as undoType that contains these functions
+ * @param {OwnedUndoTypes|UndoTypes} undoTypesInstance The undoTypes object to act on
+ * @return {undefined}
+ */
+ function manipulateUndoType (manipType, undoType, fns, undoTypesInstance) {
+ // manipType, passed by the calling function
+ // 0: add
+ // 1: change
+ // 2: remove
+ if (typeof undoType === "object") {
+ // bulk action. Iterate over this data.
+ return _.each(undoType, function (val, key) {
+ if (manipType === 2) { // remove
+ // undoType is an array
+ manipulateUndoType (manipType, val, fns, undoTypesInstance);
+ } else {
+ // undoType is an object
+ manipulateUndoType (manipType, key, val, fns);
+ }
+ })
+ }
- // Set a hash of model attributes, and sync the model to the server.
- // If the server returns an attributes hash that differs, the model's
- // state will be `set` again.
- save: function(key, val, options) {
- // Handle both `"key", value` and `{key: value}` -style arguments.
- var attrs;
- if (key == null || typeof key === 'object') {
- attrs = key;
- options = val;
- } else {
- (attrs = {})[key] = val;
- }
+ switch (manipType) {
+ case 0: // add
+ if (hasKeys(fns, "undo", "redo", "on") && _.all(_.pick(fns, "undo", "redo", "on"), _.isFunction)) {
+ undoTypesInstance[undoType] = fns;
+ }
+ break;
+ case 1: // change
+ if (undoTypesInstance[undoType] && _.isObject(fns)) {
+ // undoTypeInstance[undoType] may be a prototype's property
+ // So, if we did this _.extend(undoTypeInstance[undoType], fns)
+ // we would extend the object on the prototype which means
+ // that this change would have a global effect
+ // Instead we just want to manipulate this instance. That's why
+ // we're doing this:
+ undoTypesInstance[undoType] = _.extend({}, undoTypesInstance[undoType], fns);
+ }
+ break;
+ case 2: // remove
+ delete undoTypesInstance[undoType];
+ break;
+ }
+ return this;
+ }
- options = _.extend({validate: true, parse: true}, options);
- var wait = options.wait;
+ /**
+ * Instantiating "Action" creates the UndoActions that
+ * are collected in an UndoStack. It holds all relevant
+ * data to undo / redo an action and has an undo / redo
+ * method.
+ */
+ var Action = Backbone.Model.extend({
+ defaults: {
+ type: null, // "add", "change", "reset", etc.
+ object: null, // The object on which the action occurred
+ before: null, // The previous values which were changed with this action
+ after: null, // The values after this action
+ magicFusionIndex: null // The magicFusionIndex helps to combine
+ // all actions that occurred "at the same time" to undo/redo them altogether
+ },
+ /**
+ * Undoes this action.
+ * @param {OwnedUndoTypes|UndoTypes} undoTypes The undoTypes object which contains the "undo"-handler that should be used
+ * @return {undefined}
+ */
+ undo: function (undoTypes) {
+ actionUndoRedo("undo", this.attributes);
+ },
+ /**
+ * Redoes this action.
+ * @param {OwnedUndoTypes|UndoTypes} undoTypes The undoTypes object which contains the "redo"-handler that should be used
+ * @return {undefined}
+ */
+ redo: function (undoTypes) {
+ actionUndoRedo("redo", this.attributes);
+ }
+ }),
+ /**
+ * An UndoStack is a collection of UndoActions in
+ * chronological order.
+ */
+ UndoStack = Backbone.Collection.extend({
+ model: Action,
+ pointer: -1, // The pointer indicates the index where we are located within the stack. We start at -1
+ track: false,
+ isCurrentlyUndoRedoing: false,
+ maximumStackLength: Infinity,
+ setMaxLength: function (val) {
+ this.maximumStackLength = val;
+ }
+ }),
+ /**
+ * An instance of UndoManager can keep track of
+ * changes to objects and helps to undo them.
+ */
+ UndoManager = Backbone.Model.extend({
+ defaults: {
+ maximumStackLength: Infinity,
+ track: false
+ },
+ /**
+ * The constructor function.
+ * @param {attr} [attr] Object with parameters. The available parameters are:
+ * - maximumStackLength {number} Set the undo-stack's maximum size
+ * - track {boolean} Start tracking changes right away
+ * @return {undefined}
+ */
+ initialize: function (attr) {
+ this.stack = new UndoStack;
+ this.objectRegistry = new ObjectRegistry();
+ this.undoTypes = new OwnedUndoTypes();
- // If we're not waiting and attributes exist, save acts as
- // `set(attr).save(null, opts)` with validation. Otherwise, check if
- // the model will be valid when the attributes, if any, are set.
- if (attrs && !wait) {
- if (!this.set(attrs, options)) return false;
- } else if (!this._validate(attrs, options)) {
- return false;
- }
+ // sync the maximumStackLength attribute with our stack
+ this.stack.setMaxLength(this.get("maximumStackLength"));
+ this.on("change:maximumStackLength", function (model, value) {
+ this.stack.setMaxLength(value);
+ }, this);
- // After a successful server-side save, the client is (optionally)
- // updated with the server-side state.
- var model = this;
- var success = options.success;
- var attributes = this.attributes;
- options.success = function(resp) {
- // Ensure attributes are restored during synchronous saves.
- model.attributes = attributes;
- var serverAttrs = options.parse ? model.parse(resp, options) : resp;
- if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
- if (serverAttrs && !model.set(serverAttrs, options)) return false;
- if (success) success.call(options.context, model, resp, options);
- model.trigger('sync', model, resp, options);
- };
- wrapError(this, options);
+ // Start tracking, if attr.track == true
+ if (attr && attr.track) {
+ this.startTracking();
+ }
- // Set temporary attributes if `{wait: true}` to properly find new ids.
- if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
+ // Register objects passed in the "register" attribute
+ if (attr && attr.register) {
+ if (_.isArray(attr.register) || _.isArguments(attr.register)) {
+ apply(this.register, this, attr.register);
+ } else {
+ this.register(attr.register);
+ }
+ }
+ },
+ /**
+ * Starts tracking. Changes of registered objects won't be processed until you've called this function
+ * @return {undefined}
+ */
+ startTracking: function () {
+ this.set("track", true);
+ this.stack.track = true;
+ },
+ /**
+ * Stops tracking. Afterwards changes of registered objects won't be processed.
+ * @return {undefined}
+ */
+ stopTracking: function () {
+ this.set("track", false);
+ this.stack.track = false;
+ },
+ /**
+ * Return the state of the tracking
+ * @return {boolean}
+ */
+ isTracking: function () {
+ return this.get("track");
+ },
+ /**
+ * This is the "all"-handler which is bound to registered
+ * objects. It creates an UndoAction from the event and adds
+ * it to the stack.
+ *
+ * @param {String} type The event type
+ * @return {undefined}
+ */
+ _addToStack: function (type) {
+ addToStack(this.stack, type, slice(arguments, 1), this.undoTypes);
+ },
+ /**
+ * Registers one or more objects to track their changes.
+ * @param {...Object} obj The object or objects of which changes should be tracked
+ * @return {undefined}
+ */
+ register: function () {
+ onoff("on", arguments, this._addToStack, this);
+ },
+ /**
+ * Unregisters one or more objects.
+ * @param {...Object} obj The object or objects of which changes shouldn't be tracked any longer
+ * @return {undefined}
+ */
+ unregister: function () {
+ onoff("off", arguments, this._addToStack, this);
+ },
+ /**
+ * Unregisters all previously registered objects.
+ * @return {undefined}
+ */
+ unregisterAll: function () {
+ apply(this.unregister, this, this.objectRegistry.get());
+ },
+ /**
+ * Undoes the last action or the last set of actions in case 'magic' is true.
+ * @param {Boolean} [magic] If true, all actions that happened basically at the same time are undone together
+ * @return {undefined}
+ */
+ undo: function (magic) {
+ managerUndoRedo("undo", this, this.stack, magic);
+ },
- var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
- if (method === 'patch' && !options.attrs) options.attrs = attrs;
- var xhr = this.sync(method, this, options);
+ /**
+ * Undoes all actions ever tracked by the undo manager
+ * @return {undefined}
+ */
+ undoAll: function () {
+ managerUndoRedo("undo", this, this.stack, false, true);
+ },
- // Restore attributes.
- this.attributes = attributes;
+ /**
+ * Redoes a previously undone action or a set of actions.
+ * @param {Boolean} [magic] If true, all actions that happened basically at the same time are redone together
+ * @return {undefined}
+ */
+ redo: function (magic) {
+ managerUndoRedo("redo", this, this.stack, magic);
+ },
- return xhr;
- },
+ /**
+ * Redoes all actions ever tracked by the undo manager
+ * @return {undefined}
+ */
+ redoAll: function () {
+ managerUndoRedo("redo", this, this.stack, false, true);
+ },
+ /**
+ * Checks if there's an action in the stack that can be undone / redone
+ * @param {String} type Either "undo" or "redo"
+ * @return {Boolean} True if there is a set of actions which can be undone / redone
+ */
+ isAvailable: function (type) {
+ var s = this.stack, l = s.length;
- // Destroy this model on the server if it was already persisted.
- // Optimistically removes the model from its collection, if it has one.
- // If `wait: true` is passed, waits for the server to respond before removal.
- destroy: function(options) {
- options = options ? _.clone(options) : {};
- var model = this;
- var success = options.success;
- var wait = options.wait;
+ switch (type) {
+ case "undo": return l > 0 && s.pointer > -1;
+ case "redo": return l > 0 && s.pointer < l - 1;
+ default: return false;
+ }
+ },
+ /**
+ * Sets the stack-reference to the stack of another undoManager.
+ * @param {UndoManager} undoManager The undoManager whose stack-reference is set to this stack
+ * @return {undefined}
+ */
+ merge: function (undoManager) {
+ // This sets the stack-reference to the stack of another
+ // undoManager so that the stack of this other undoManager
+ // is used by two different managers.
+ // This enables to set up a main-undoManager and besides it
+ // several others for special, exceptional cases (by using
+ // instance-based custom UndoTypes). Models / collections
+ // which need this special treatment are only registered at
+ // those special undoManagers. Those special ones are then
+ // merged into the main-undoManager to write on its stack.
+ // That way it's easier to manage exceptional cases.
+ var args = _.isArray(undoManager) ? undoManager : slice(arguments), manager;
+ while (manager = args.pop()) {
+ if (manager instanceof UndoManager &&
+ manager.stack instanceof UndoStack) {
+ // set the stack reference to our stack
+ manager.stack = this.stack;
+ }
+ }
+ },
+ /**
+ * Add an UndoType to this specific UndoManager-instance.
+ * @param {String} type The event this UndoType is made for
+ * @param {Object} fns An object of functions that are called to generate the data for an UndoAction or to process it. Must have the properties "undo", "redo" and "on". Can have the property "condition".
+ * @return {undefined}
+ */
+ addUndoType: function (type, fns) {
+ manipulateUndoType(0, type, fns, this.undoTypes);
+ },
+ /**
+ * Overwrite properties of an existing UndoType for this specific UndoManager-instance.
+ * @param {String} type The event the UndoType is made for
+ * @param {Object} fns An object of functions that are called to generate the data for an UndoAction or to process it. It extends the existing object.
+ * @return {undefined}
+ */
+ changeUndoType: function (type, fns) {
+ manipulateUndoType(1, type, fns, this.undoTypes);
+ },
+ /**
+ * Remove one or more UndoTypes of this specific UndoManager-instance to fall back to the global UndoTypes.
+ * @param {String|Array} type The event the UndoType that should be removed is made for. You can also pass an array of events.
+ * @return {undefined}
+ */
+ removeUndoType: function (type) {
+ manipulateUndoType(2, type, undefined, this.undoTypes);
+ },
- var destroy = function() {
- model.stopListening();
- model.trigger('destroy', model, model.collection, options);
- };
+ /**
+ * Removes all actions from the stack.
+ * @return {undefined}
+ */
+ clear: function() {
+ this.stack.reset();
+ this.stack.pointer = -1;
+ }
+ });
- options.success = function(resp) {
- if (wait) destroy();
- if (success) success.call(options.context, model, resp, options);
- if (!model.isNew()) model.trigger('sync', model, resp, options);
- };
+ _.extend(UndoManager, {
+ /**
+ * Change the UndoManager's default attributes
+ * @param {Object} defaultAttributes An object with the new default values.
+ * @return {undefined}
+ */
+ defaults: function (defaultAttributes) {
+ _.extend(UndoManager.prototype.defaults, defaultAttributes);
+ },
+ /**
+ * Add an UndoType to the global UndoTypes-object.
+ * @param {String} type The event this UndoType is made for
+ * @param {Object} fns An object of functions that are called to generate the data for an UndoAction or to process it. Must have the properties "undo", "redo" and "on". Can have the property "condition".
+ * @return {undefined}
+ */
+ "addUndoType": function (type, fns) {
+ manipulateUndoType(0, type, fns, UndoTypes);
+ },
+ /**
+ * Overwrite properties of an existing UndoType in the global UndoTypes-object.
+ * @param {String} type The event the UndoType is made for
+ * @param {Object} fns An object of functions that are called to generate the data for an UndoAction or to process it. It extends the existing object.
+ * @return {undefined}
+ */
+ "changeUndoType": function (type, fns) {
+ manipulateUndoType(1, type, fns, UndoTypes)
+ },
+ /**
+ * Remove one or more UndoTypes of this specific UndoManager-instance to fall back to the global UndoTypes.
+ * @param {String|Array} type The event the UndoType that should be removed is made for. You can also pass an array of events.
+ * @return {undefined}
+ */
+ "removeUndoType": function (type) {
+ manipulateUndoType(2, type, undefined, UndoTypes);
+ }
+ })
- var xhr = false;
- if (this.isNew()) {
- _.defer(options.success);
- } else {
- wrapError(this, options);
- xhr = this.sync('delete', this, options);
- }
- if (!wait) destroy();
- return xhr;
- },
+ return Backbone.UndoManager = UndoManager;
- // Default URL for the model's representation on the server -- if you're
- // using Backbone's restful methods, override this to change the endpoint
- // that will be called.
- url: function() {
- var base =
- _.result(this, 'urlRoot') ||
- _.result(this.collection, 'url') ||
- urlError();
- if (this.isNew()) return base;
- var id = this.get(this.idAttribute);
- return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(id);
- },
+});
- // **parse** converts a response into the hash of attributes to be `set` on
- // the model. The default implementation is just to pass the response along.
- parse: function(resp, options) {
- return resp;
- },
- // Create a new model with identical attributes to this one.
- clone: function() {
- return new this.constructor(this.attributes);
- },
+/***/ }),
- // A model is new if it has never been saved to the server, and lacks an id.
- isNew: function() {
- return !this.has(this.idAttribute);
- },
+/***/ "./node_modules/backbone/backbone.js":
+/*!*******************************************!*\
+ !*** ./node_modules/backbone/backbone.js ***!
+ \*******************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Check if the model is currently in a valid state.
- isValid: function(options) {
- return this._validate({}, _.extend({}, options, {validate: true}));
- },
+/* WEBPACK VAR INJECTION */(function(global) {var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Backbone.js 1.3.3
- // Run validation against the next complete set of model attributes,
- // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
- _validate: function(attrs, options) {
- if (!options.validate || !this.validate) return true;
- attrs = _.extend({}, this.attributes, attrs);
- var error = this.validationError = this.validate(attrs, options) || null;
- if (!error) return true;
- this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
- return false;
- }
+// (c) 2010-2016 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
+// Backbone may be freely distributed under the MIT license.
+// For all details and documentation:
+// http://backbonejs.org
- });
+(function(factory) {
- // Underscore methods that we want to implement on the Model, mapped to the
- // number of arguments they take.
- var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
- omit: 0, chain: 1, isEmpty: 1};
+ // Establish the root object, `window` (`self`) in the browser, or `global` on the server.
+ // We use `self` instead of `window` for `WebWorker` support.
+ var root = (typeof self == 'object' && self.self === self && self) ||
+ (typeof global == 'object' && global.global === global && global);
- // Mix in each Underscore method as a proxy to `Model#attributes`.
- addUnderscoreMethods(Model, modelMethods, 'attributes');
+ // Set up Backbone appropriately for the environment. Start with AMD.
+ if (true) {
+ !(__WEBPACK_AMD_DEFINE_ARRAY__ = [__webpack_require__(/*! underscore */ "./node_modules/underscore/underscore.js"), __webpack_require__(/*! jquery */ "./node_modules/cash-dom/dist/cash.js"), exports], __WEBPACK_AMD_DEFINE_RESULT__ = (function(_, $, exports) {
+ // Export global even in AMD case in case this script is loaded with
+ // others that may still expect a global Backbone.
+ root.Backbone = factory(root, exports, _, $);
+ }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
- // Backbone.Collection
- // -------------------
+ // Next for Node.js or CommonJS. jQuery may not be needed as a module.
+ } else { var _, $; }
- // If models tend to represent a single row of data, a Backbone Collection is
- // more analogous to a table full of data ... or a small slice or page of that
- // table, or a collection of rows that belong together for a particular reason
- // -- all of the messages in this particular folder, all of the documents
- // belonging to this particular author, and so on. Collections maintain
- // indexes of their models, both in order, and for lookup by `id`.
+})(function(root, Backbone, _, $) {
- // Create a new **Collection**, perhaps to contain a specific type of `model`.
- // If a `comparator` is specified, the Collection will maintain
- // its models in sort order, as they're added and removed.
- var Collection = Backbone.Collection = function(models, options) {
- options || (options = {});
- if (options.model) this.model = options.model;
- if (options.comparator !== void 0) this.comparator = options.comparator;
- this._reset();
- this.initialize.apply(this, arguments);
- if (models) this.reset(models, _.extend({silent: true}, options));
- };
+ // Initial Setup
+ // -------------
- // Default options for `Collection#set`.
- var setOptions = {add: true, remove: true, merge: true};
- var addOptions = {add: true, remove: false};
+ // Save the previous value of the `Backbone` variable, so that it can be
+ // restored later on, if `noConflict` is used.
+ var previousBackbone = root.Backbone;
- // Splices `insert` into `array` at index `at`.
- var splice = function(array, insert, at) {
- at = Math.min(Math.max(at, 0), array.length);
- var tail = Array(array.length - at);
- var length = insert.length;
- var i;
- for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
- for (i = 0; i < length; i++) array[i + at] = insert[i];
- for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
- };
+ // Create a local reference to a common array method we'll want to use later.
+ var slice = Array.prototype.slice;
- // Define the Collection's inheritable methods.
- _.extend(Collection.prototype, Events, {
+ // Current version of the library. Keep in sync with `package.json`.
+ Backbone.VERSION = '1.3.3';
- // The default model for a collection is just a **Backbone.Model**.
- // This should be overridden in most cases.
- model: Model,
+ // For Backbone's purposes, jQuery, Zepto, Ender, or My Library (kidding) owns
+ // the `$` variable.
+ Backbone.$ = $;
- // Initialize is an empty function by default. Override it with your own
- // initialization logic.
- initialize: function(){},
+ // Runs Backbone.js in *noConflict* mode, returning the `Backbone` variable
+ // to its previous owner. Returns a reference to this Backbone object.
+ Backbone.noConflict = function() {
+ root.Backbone = previousBackbone;
+ return this;
+ };
- // The JSON representation of a Collection is an array of the
- // models' attributes.
- toJSON: function(options) {
- return this.map(function(model) { return model.toJSON(options); });
- },
+ // Turn on `emulateHTTP` to support legacy HTTP servers. Setting this option
+ // will fake `"PATCH"`, `"PUT"` and `"DELETE"` requests via the `_method` parameter and
+ // set a `X-Http-Method-Override` header.
+ Backbone.emulateHTTP = false;
- // Proxy `Backbone.sync` by default.
- sync: function() {
- return Backbone.sync.apply(this, arguments);
- },
+ // Turn on `emulateJSON` to support legacy servers that can't deal with direct
+ // `application/json` requests ... this will encode the body as
+ // `application/x-www-form-urlencoded` instead and will send the model in a
+ // form param named `model`.
+ Backbone.emulateJSON = false;
- // Add a model, or list of models to the set. `models` may be Backbone
- // Models or raw JavaScript objects to be converted to Models, or any
- // combination of the two.
- add: function(models, options) {
- return this.set(models, _.extend({merge: false}, options, addOptions));
- },
+ // Proxy Backbone class methods to Underscore functions, wrapping the model's
+ // `attributes` object or collection's `models` array behind the scenes.
+ //
+ // collection.filter(function(model) { return model.get('age') > 10 });
+ // collection.each(this.addView);
+ //
+ // `Function#apply` can be slow so we use the method's arg count, if we know it.
+ var addMethod = function(length, method, attribute) {
+ switch (length) {
+ case 1: return function() {
+ return _[method](this[attribute]);
+ };
+ case 2: return function(value) {
+ return _[method](this[attribute], value);
+ };
+ case 3: return function(iteratee, context) {
+ return _[method](this[attribute], cb(iteratee, this), context);
+ };
+ case 4: return function(iteratee, defaultVal, context) {
+ return _[method](this[attribute], cb(iteratee, this), defaultVal, context);
+ };
+ default: return function() {
+ var args = slice.call(arguments);
+ args.unshift(this[attribute]);
+ return _[method].apply(_, args);
+ };
+ }
+ };
+ var addUnderscoreMethods = function(Class, methods, attribute) {
+ _.each(methods, function(length, method) {
+ if (_[method]) Class.prototype[method] = addMethod(length, method, attribute);
+ });
+ };
- // Remove a model, or a list of models from the set.
- remove: function(models, options) {
- options = _.extend({}, options);
- var singular = !_.isArray(models);
- models = singular ? [models] : models.slice();
- var removed = this._removeModels(models, options);
- if (!options.silent && removed.length) {
- options.changes = {added: [], merged: [], removed: removed};
- this.trigger('update', this, options);
- }
- return singular ? removed[0] : removed;
- },
+ // Support `collection.sortBy('attr')` and `collection.findWhere({id: 1})`.
+ var cb = function(iteratee, instance) {
+ if (_.isFunction(iteratee)) return iteratee;
+ if (_.isObject(iteratee) && !instance._isModel(iteratee)) return modelMatcher(iteratee);
+ if (_.isString(iteratee)) return function(model) { return model.get(iteratee); };
+ return iteratee;
+ };
+ var modelMatcher = function(attrs) {
+ var matcher = _.matches(attrs);
+ return function(model) {
+ return matcher(model.attributes);
+ };
+ };
- // Update a collection by `set`-ing a new list of models, adding new ones,
- // removing models that are no longer present, and merging models that
- // already exist in the collection, as necessary. Similar to **Model#set**,
- // the core operation for updating the data contained by the collection.
- set: function(models, options) {
- if (models == null) return;
+ // Backbone.Events
+ // ---------------
- options = _.extend({}, setOptions, options);
- if (options.parse && !this._isModel(models)) {
- models = this.parse(models, options) || [];
- }
+ // A module that can be mixed in to *any object* in order to provide it with
+ // a custom event channel. You may bind a callback to an event with `on` or
+ // remove with `off`; `trigger`-ing an event fires all callbacks in
+ // succession.
+ //
+ // var object = {};
+ // _.extend(object, Backbone.Events);
+ // object.on('expand', function(){ alert('expanded'); });
+ // object.trigger('expand');
+ //
+ var Events = Backbone.Events = {};
- var singular = !_.isArray(models);
- models = singular ? [models] : models.slice();
+ // Regular expression used to split event strings.
+ var eventSplitter = /\s+/;
- var at = options.at;
- if (at != null) at = +at;
- if (at > this.length) at = this.length;
- if (at < 0) at += this.length + 1;
+ // Iterates over the standard `event, callback` (as well as the fancy multiple
+ // space-separated events `"change blur", callback` and jQuery-style event
+ // maps `{event: callback}`).
+ var eventsApi = function(iteratee, events, name, callback, opts) {
+ var i = 0, names;
+ if (name && typeof name === 'object') {
+ // Handle event maps.
+ if (callback !== void 0 && 'context' in opts && opts.context === void 0) opts.context = callback;
+ for (names = _.keys(name); i < names.length ; i++) {
+ events = eventsApi(iteratee, events, names[i], name[names[i]], opts);
+ }
+ } else if (name && eventSplitter.test(name)) {
+ // Handle space-separated event names by delegating them individually.
+ for (names = name.split(eventSplitter); i < names.length; i++) {
+ events = iteratee(events, names[i], callback, opts);
+ }
+ } else {
+ // Finally, standard events.
+ events = iteratee(events, name, callback, opts);
+ }
+ return events;
+ };
- var set = [];
- var toAdd = [];
- var toMerge = [];
- var toRemove = [];
- var modelMap = {};
+ // Bind an event to a `callback` function. Passing `"all"` will bind
+ // the callback to all events fired.
+ Events.on = function(name, callback, context) {
+ return internalOn(this, name, callback, context);
+ };
- var add = options.add;
- var merge = options.merge;
- var remove = options.remove;
+ // Guard the `listening` argument from the public API.
+ var internalOn = function(obj, name, callback, context, listening) {
+ obj._events = eventsApi(onApi, obj._events || {}, name, callback, {
+ context: context,
+ ctx: obj,
+ listening: listening
+ });
- var sort = false;
- var sortable = this.comparator && at == null && options.sort !== false;
- var sortAttr = _.isString(this.comparator) ? this.comparator : null;
+ if (listening) {
+ var listeners = obj._listeners || (obj._listeners = {});
+ listeners[listening.id] = listening;
+ }
- // Turn bare objects into model references, and prevent invalid models
- // from being added.
- var model, i;
- for (i = 0; i < models.length; i++) {
- model = models[i];
+ return obj;
+ };
- // If a duplicate is found, prevent it from being added and
- // optionally merge it into the existing model.
- var existing = this.get(model);
- if (existing) {
- if (merge && model !== existing) {
- var attrs = this._isModel(model) ? model.attributes : model;
- if (options.parse) attrs = existing.parse(attrs, options);
- existing.set(attrs, options);
- toMerge.push(existing);
- if (sortable && !sort) sort = existing.hasChanged(sortAttr);
- }
- if (!modelMap[existing.cid]) {
- modelMap[existing.cid] = true;
- set.push(existing);
- }
- models[i] = existing;
+ // Inversion-of-control versions of `on`. Tell *this* object to listen to
+ // an event in another object... keeping track of what it's listening to
+ // for easier unbinding later.
+ Events.listenTo = function(obj, name, callback) {
+ if (!obj) return this;
+ var id = obj._listenId || (obj._listenId = _.uniqueId('l'));
+ var listeningTo = this._listeningTo || (this._listeningTo = {});
+ var listening = listeningTo[id];
- // If this is a new, valid model, push it to the `toAdd` list.
- } else if (add) {
- model = models[i] = this._prepareModel(model, options);
- if (model) {
- toAdd.push(model);
- this._addReference(model, options);
- modelMap[model.cid] = true;
- set.push(model);
- }
- }
- }
+ // This object is not listening to any other events on `obj` yet.
+ // Setup the necessary references to track the listening callbacks.
+ if (!listening) {
+ var thisId = this._listenId || (this._listenId = _.uniqueId('l'));
+ listening = listeningTo[id] = {obj: obj, objId: id, id: thisId, listeningTo: listeningTo, count: 0};
+ }
- // Remove stale models.
- if (remove) {
- for (i = 0; i < this.length; i++) {
- model = this.models[i];
- if (!modelMap[model.cid]) toRemove.push(model);
- }
- if (toRemove.length) this._removeModels(toRemove, options);
- }
+ // Bind callbacks on obj, and keep track of them on listening.
+ internalOn(obj, name, callback, this, listening);
+ return this;
+ };
- // See if sorting is needed, update `length` and splice in new models.
- var orderChanged = false;
- var replace = !sortable && add && remove;
- if (set.length && replace) {
- orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
- return m !== set[index];
- });
- this.models.length = 0;
- splice(this.models, set, 0);
- this.length = this.models.length;
- } else if (toAdd.length) {
- if (sortable) sort = true;
- splice(this.models, toAdd, at == null ? this.length : at);
- this.length = this.models.length;
- }
-
- // Silently sort the collection if appropriate.
- if (sort) this.sort({silent: true});
-
- // Unless silenced, it's time to fire all appropriate add/sort/update events.
- if (!options.silent) {
- for (i = 0; i < toAdd.length; i++) {
- if (at != null) options.index = at + i;
- model = toAdd[i];
- model.trigger('add', model, this, options);
- }
- if (sort || orderChanged) this.trigger('sort', this, options);
- if (toAdd.length || toRemove.length || toMerge.length) {
- options.changes = {
- added: toAdd,
- removed: toRemove,
- merged: toMerge
- };
- this.trigger('update', this, options);
- }
- }
+ // The reducing API that adds a callback to the `events` object.
+ var onApi = function(events, name, callback, options) {
+ if (callback) {
+ var handlers = events[name] || (events[name] = []);
+ var context = options.context, ctx = options.ctx, listening = options.listening;
+ if (listening) listening.count++;
- // Return the added (or merged) model (or models).
- return singular ? models[0] : models;
- },
+ handlers.push({callback: callback, context: context, ctx: context || ctx, listening: listening});
+ }
+ return events;
+ };
- // When you have more items than you want to add or remove individually,
- // you can reset the entire set with a new list of models, without firing
- // any granular `add` or `remove` events. Fires `reset` when finished.
- // Useful for bulk operations and optimizations.
- reset: function(models, options) {
- options = options ? _.clone(options) : {};
- for (var i = 0; i < this.models.length; i++) {
- this._removeReference(this.models[i], options);
- }
- options.previousModels = this.models;
- this._reset();
- models = this.add(models, _.extend({silent: true}, options));
- if (!options.silent) this.trigger('reset', this, options);
- return models;
- },
+ // Remove one or many callbacks. If `context` is null, removes all
+ // callbacks with that function. If `callback` is null, removes all
+ // callbacks for the event. If `name` is null, removes all bound
+ // callbacks for all events.
+ Events.off = function(name, callback, context) {
+ if (!this._events) return this;
+ this._events = eventsApi(offApi, this._events, name, callback, {
+ context: context,
+ listeners: this._listeners
+ });
+ return this;
+ };
- // Add a model to the end of the collection.
- push: function(model, options) {
- return this.add(model, _.extend({at: this.length}, options));
- },
+ // Tell this object to stop listening to either specific events ... or
+ // to every object it's currently listening to.
+ Events.stopListening = function(obj, name, callback) {
+ var listeningTo = this._listeningTo;
+ if (!listeningTo) return this;
- // Remove a model from the end of the collection.
- pop: function(options) {
- var model = this.at(this.length - 1);
- return this.remove(model, options);
- },
+ var ids = obj ? [obj._listenId] : _.keys(listeningTo);
- // Add a model to the beginning of the collection.
- unshift: function(model, options) {
- return this.add(model, _.extend({at: 0}, options));
- },
+ for (var i = 0; i < ids.length; i++) {
+ var listening = listeningTo[ids[i]];
- // Remove a model from the beginning of the collection.
- shift: function(options) {
- var model = this.at(0);
- return this.remove(model, options);
- },
+ // If listening doesn't exist, this object is not currently
+ // listening to obj. Break out early.
+ if (!listening) break;
- // Slice out a sub-array of models from the collection.
- slice: function() {
- return slice.apply(this.models, arguments);
- },
+ listening.obj.off(name, callback, this);
+ }
- // Get a model from the set by id, cid, model object with id or cid
- // properties, or an attributes object that is transformed through modelId.
- get: function(obj) {
- if (obj == null) return void 0;
- return this._byId[obj] ||
- this._byId[this.modelId(obj.attributes || obj)] ||
- obj.cid && this._byId[obj.cid];
- },
+ return this;
+ };
- // Returns `true` if the model is in the collection.
- has: function(obj) {
- return this.get(obj) != null;
- },
+ // The reducing API that removes a callback from the `events` object.
+ var offApi = function(events, name, callback, options) {
+ if (!events) return;
- // Get the model at the given index.
- at: function(index) {
- if (index < 0) index += this.length;
- return this.models[index];
- },
+ var i = 0, listening;
+ var context = options.context, listeners = options.listeners;
- // Return models with matching attributes. Useful for simple cases of
- // `filter`.
- where: function(attrs, first) {
- return this[first ? 'find' : 'filter'](attrs);
- },
+ // Delete all events listeners and "drop" events.
+ if (!name && !callback && !context) {
+ var ids = _.keys(listeners);
+ for (; i < ids.length; i++) {
+ listening = listeners[ids[i]];
+ delete listeners[listening.id];
+ delete listening.listeningTo[listening.objId];
+ }
+ return;
+ }
- // Return the first model with matching attributes. Useful for simple cases
- // of `find`.
- findWhere: function(attrs) {
- return this.where(attrs, true);
- },
+ var names = name ? [name] : _.keys(events);
+ for (; i < names.length; i++) {
+ name = names[i];
+ var handlers = events[name];
- // Force the collection to re-sort itself. You don't need to call this under
- // normal circumstances, as the set will maintain sort order as each item
- // is added.
- sort: function(options) {
- var comparator = this.comparator;
- if (!comparator) throw new Error('Cannot sort a set without a comparator');
- options || (options = {});
+ // Bail out if there are no events stored.
+ if (!handlers) break;
- var length = comparator.length;
- if (_.isFunction(comparator)) comparator = _.bind(comparator, this);
+ // Replace events if there are any remaining. Otherwise, clean up.
+ var remaining = [];
+ for (var j = 0; j < handlers.length; j++) {
+ var handler = handlers[j];
+ if (
+ callback && callback !== handler.callback &&
+ callback !== handler.callback._callback ||
+ context && context !== handler.context
+ ) {
+ remaining.push(handler);
+ } else {
+ listening = handler.listening;
+ if (listening && --listening.count === 0) {
+ delete listeners[listening.id];
+ delete listening.listeningTo[listening.objId];
+ }
+ }
+ }
- // Run sort based on type of `comparator`.
- if (length === 1 || _.isString(comparator)) {
- this.models = this.sortBy(comparator);
+ // Update tail event if the list has any events. Otherwise, clean up.
+ if (remaining.length) {
+ events[name] = remaining;
} else {
- this.models.sort(comparator);
+ delete events[name];
}
- if (!options.silent) this.trigger('sort', this, options);
- return this;
- },
-
- // Pluck an attribute from each model in the collection.
- pluck: function(attr) {
- return this.map(attr + '');
- },
-
- // Fetch the default set of models for this collection, resetting the
- // collection when they arrive. If `reset: true` is passed, the response
- // data will be passed through the `reset` method instead of `set`.
- fetch: function(options) {
- options = _.extend({parse: true}, options);
- var success = options.success;
- var collection = this;
- options.success = function(resp) {
- var method = options.reset ? 'reset' : 'set';
- collection[method](resp, options);
- if (success) success.call(options.context, collection, resp, options);
- collection.trigger('sync', collection, resp, options);
- };
- wrapError(this, options);
- return this.sync('read', this, options);
- },
+ }
+ return events;
+ };
- // Create a new instance of a model in this collection. Add the model to the
- // collection immediately, unless `wait: true` is passed, in which case we
- // wait for the server to agree.
- create: function(model, options) {
- options = options ? _.clone(options) : {};
- var wait = options.wait;
- model = this._prepareModel(model, options);
- if (!model) return false;
- if (!wait) this.add(model, options);
- var collection = this;
- var success = options.success;
- options.success = function(m, resp, callbackOpts) {
- if (wait) collection.add(m, callbackOpts);
- if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
- };
- model.save(null, options);
- return model;
- },
+ // Bind an event to only be triggered a single time. After the first time
+ // the callback is invoked, its listener will be removed. If multiple events
+ // are passed in using the space-separated syntax, the handler will fire
+ // once for each event, not once for a combination of all events.
+ Events.once = function(name, callback, context) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, _.bind(this.off, this));
+ if (typeof name === 'string' && context == null) callback = void 0;
+ return this.on(events, callback, context);
+ };
- // **parse** converts a response into a list of models to be added to the
- // collection. The default implementation is just to pass it through.
- parse: function(resp, options) {
- return resp;
- },
+ // Inversion-of-control versions of `once`.
+ Events.listenToOnce = function(obj, name, callback) {
+ // Map the event into a `{event: once}` object.
+ var events = eventsApi(onceMap, {}, name, callback, _.bind(this.stopListening, this, obj));
+ return this.listenTo(obj, events);
+ };
- // Create a new collection with an identical list of models as this one.
- clone: function() {
- return new this.constructor(this.models, {
- model: this.model,
- comparator: this.comparator
+ // Reduces the event callbacks into a map of `{event: onceWrapper}`.
+ // `offer` unbinds the `onceWrapper` after it has been called.
+ var onceMap = function(map, name, callback, offer) {
+ if (callback) {
+ var once = map[name] = _.once(function() {
+ offer(name, once);
+ callback.apply(this, arguments);
});
- },
-
- // Define how to uniquely identify models in the collection.
- modelId: function(attrs) {
- return attrs[this.model.prototype.idAttribute || 'id'];
- },
-
- // Private method to reset all internal state. Called when the collection
- // is first initialized or reset.
- _reset: function() {
- this.length = 0;
- this.models = [];
- this._byId = {};
- },
-
- // Prepare a hash of attributes (or other model) to be added to this
- // collection.
- _prepareModel: function(attrs, options) {
- if (this._isModel(attrs)) {
- if (!attrs.collection) attrs.collection = this;
- return attrs;
- }
- options = options ? _.clone(options) : {};
- options.collection = this;
- var model = new this.model(attrs, options);
- if (!model.validationError) return model;
- this.trigger('invalid', this, model.validationError, options);
- return false;
- },
-
- // Internal method called by both remove and set.
- _removeModels: function(models, options) {
- var removed = [];
- for (var i = 0; i < models.length; i++) {
- var model = this.get(models[i]);
- if (!model) continue;
-
- var index = this.indexOf(model);
- this.models.splice(index, 1);
- this.length--;
-
- // Remove references before triggering 'remove' event to prevent an
- // infinite loop. #3693
- delete this._byId[model.cid];
- var id = this.modelId(model.attributes);
- if (id != null) delete this._byId[id];
-
- if (!options.silent) {
- options.index = index;
- model.trigger('remove', model, this, options);
- }
-
- removed.push(model);
- this._removeReference(model, options);
- }
- return removed;
- },
+ once._callback = callback;
+ }
+ return map;
+ };
- // Method for checking whether an object should be considered a model for
- // the purposes of adding to the collection.
- _isModel: function(model) {
- return model instanceof Model;
- },
+ // Trigger one or many events, firing all bound callbacks. Callbacks are
+ // passed the same arguments as `trigger` is, apart from the event name
+ // (unless you're listening on `"all"`, which will cause your callback to
+ // receive the true name of the event as the first argument).
+ Events.trigger = function(name) {
+ if (!this._events) return this;
- // Internal method to create a model's ties to a collection.
- _addReference: function(model, options) {
- this._byId[model.cid] = model;
- var id = this.modelId(model.attributes);
- if (id != null) this._byId[id] = model;
- model.on('all', this._onModelEvent, this);
- },
+ var length = Math.max(0, arguments.length - 1);
+ var args = Array(length);
+ for (var i = 0; i < length; i++) args[i] = arguments[i + 1];
- // Internal method to sever a model's ties to a collection.
- _removeReference: function(model, options) {
- delete this._byId[model.cid];
- var id = this.modelId(model.attributes);
- if (id != null) delete this._byId[id];
- if (this === model.collection) delete model.collection;
- model.off('all', this._onModelEvent, this);
- },
+ eventsApi(triggerApi, this._events, name, void 0, args);
+ return this;
+ };
- // Internal method called every time a model in the set fires an event.
- // Sets need to update their indexes when models change ids. All other
- // events simply proxy through. "add" and "remove" events that originate
- // in other collections are ignored.
- _onModelEvent: function(event, model, collection, options) {
- if (model) {
- if ((event === 'add' || event === 'remove') && collection !== this) return;
- if (event === 'destroy') this.remove(model, options);
- if (event === 'change') {
- var prevId = this.modelId(model.previousAttributes());
- var id = this.modelId(model.attributes);
- if (prevId !== id) {
- if (prevId != null) delete this._byId[prevId];
- if (id != null) this._byId[id] = model;
- }
- }
- }
- this.trigger.apply(this, arguments);
+ // Handles triggering the appropriate event callbacks.
+ var triggerApi = function(objEvents, name, callback, args) {
+ if (objEvents) {
+ var events = objEvents[name];
+ var allEvents = objEvents.all;
+ if (events && allEvents) allEvents = allEvents.slice();
+ if (events) triggerEvents(events, args);
+ if (allEvents) triggerEvents(allEvents, [name].concat(args));
}
+ return objEvents;
+ };
- });
+ // A difficult-to-believe, but optimized internal dispatch function for
+ // triggering events. Tries to keep the usual cases speedy (most internal
+ // Backbone events have 3 arguments).
+ var triggerEvents = function(events, args) {
+ var ev, i = -1, l = events.length, a1 = args[0], a2 = args[1], a3 = args[2];
+ switch (args.length) {
+ case 0: while (++i < l) (ev = events[i]).callback.call(ev.ctx); return;
+ case 1: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1); return;
+ case 2: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2); return;
+ case 3: while (++i < l) (ev = events[i]).callback.call(ev.ctx, a1, a2, a3); return;
+ default: while (++i < l) (ev = events[i]).callback.apply(ev.ctx, args); return;
+ }
+ };
- // Underscore methods that we want to implement on the Collection.
- // 90% of the core usefulness of Backbone Collections is actually implemented
- // right here:
- var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
- foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
- select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
- contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
- head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
- without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
- isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
- sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
+ // Aliases for backwards compatibility.
+ Events.bind = Events.on;
+ Events.unbind = Events.off;
- // Mix in each Underscore method as a proxy to `Collection#models`.
- addUnderscoreMethods(Collection, collectionMethods, 'models');
+ // Allow the `Backbone` object to serve as a global event bus, for folks who
+ // want global "pubsub" in a convenient place.
+ _.extend(Backbone, Events);
- // Backbone.View
- // -------------
+ // Backbone.Model
+ // --------------
- // Backbone Views are almost more convention than they are actual code. A View
- // is simply a JavaScript object that represents a logical chunk of UI in the
- // DOM. This might be a single item, an entire list, a sidebar or panel, or
- // even the surrounding frame which wraps your whole app. Defining a chunk of
- // UI as a **View** allows you to define your DOM events declaratively, without
- // having to worry about render order ... and makes it easy for the view to
- // react to specific changes in the state of your models.
+ // Backbone **Models** are the basic data object in the framework --
+ // frequently representing a row in a table in a database on your server.
+ // A discrete chunk of data and a bunch of useful, related methods for
+ // performing computations and transformations on that data.
- // Creating a Backbone.View creates its initial element outside of the DOM,
- // if an existing element is not provided...
- var View = Backbone.View = function(options) {
- this.cid = _.uniqueId('view');
- _.extend(this, _.pick(options, viewOptions));
- this._ensureElement();
+ // Create a new model with the specified attributes. A client id (`cid`)
+ // is automatically generated and assigned for you.
+ var Model = Backbone.Model = function(attributes, options) {
+ var attrs = attributes || {};
+ options || (options = {});
+ this.cid = _.uniqueId(this.cidPrefix);
+ this.attributes = {};
+ if (options.collection) this.collection = options.collection;
+ if (options.parse) attrs = this.parse(attrs, options) || {};
+ var defaults = _.result(this, 'defaults');
+ attrs = _.defaults(_.extend({}, defaults, attrs), defaults);
+ this.set(attrs, options);
+ this.changed = {};
this.initialize.apply(this, arguments);
};
- // Cached regex to split keys for `delegate`.
- var delegateEventSplitter = /^(\S+)\s*(.*)$/;
+ // Attach all inheritable methods to the Model prototype.
+ _.extend(Model.prototype, Events, {
- // List of view options to be set as properties.
- var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
+ // A hash of attributes whose current and previous value differ.
+ changed: null,
- // Set up all inheritable **Backbone.View** properties and methods.
- _.extend(View.prototype, Events, {
+ // The value returned during the last failed validation.
+ validationError: null,
- // The default `tagName` of a View's element is `"div"`.
- tagName: 'div',
+ // The default name for the JSON `id` attribute is `"id"`. MongoDB and
+ // CouchDB users may want to set this to `"_id"`.
+ idAttribute: 'id',
- // jQuery delegate for element lookup, scoped to DOM elements within the
- // current view. This should be preferred to global lookups where possible.
- $: function(selector) {
- return this.$el.find(selector);
- },
+ // The prefix is used to create the client id which is used to identify models locally.
+ // You may want to override this if you're experiencing name clashes with model ids.
+ cidPrefix: 'c',
// Initialize is an empty function by default. Override it with your own
// initialization logic.
initialize: function(){},
- // **render** is the core function that your view should override, in order
- // to populate its element (`this.el`), with the appropriate HTML. The
- // convention is for **render** to always return `this`.
- render: function() {
- return this;
+ // Return a copy of the model's `attributes` object.
+ toJSON: function(options) {
+ return _.clone(this.attributes);
},
- // Remove this view by taking the element out of the DOM, and removing any
- // applicable Backbone.Events listeners.
- remove: function() {
- this._removeElement();
- this.stopListening();
- return this;
+ // Proxy `Backbone.sync` by default -- but override this if you need
+ // custom syncing semantics for *this* particular model.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
},
- // Remove this view's element from the document and all event listeners
- // attached to it. Exposed for subclasses using an alternative DOM
- // manipulation API.
- _removeElement: function() {
- this.$el.remove();
+ // Get the value of an attribute.
+ get: function(attr) {
+ return this.attributes[attr];
},
- // Change the view's element (`this.el` property) and re-delegate the
- // view's events on the new element.
- setElement: function(element) {
- this.undelegateEvents();
- this._setElement(element);
- this.delegateEvents();
- return this;
+ // Get the HTML-escaped value of an attribute.
+ escape: function(attr) {
+ return _.escape(this.get(attr));
},
- // Creates the `this.el` and `this.$el` references for this view using the
- // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
- // context or an element. Subclasses can override this to utilize an
- // alternative DOM manipulation API and are only required to set the
- // `this.el` property.
- _setElement: function(el) {
- this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
- this.el = this.$el[0];
+ // Returns `true` if the attribute contains a value that is not null
+ // or undefined.
+ has: function(attr) {
+ return this.get(attr) != null;
},
- // Set callbacks, where `this.events` is a hash of
- //
- // *{"event selector": "callback"}*
- //
- // {
- // 'mousedown .title': 'edit',
- // 'click .button': 'save',
- // 'click .open': function(e) { ... }
- // }
- //
- // pairs. Callbacks will be bound to the view, with `this` set properly.
- // Uses event delegation for efficiency.
- // Omitting the selector binds the event to `this.el`.
- delegateEvents: function(events) {
- events || (events = _.result(this, 'events'));
- if (!events) return this;
- this.undelegateEvents();
- for (var key in events) {
- var method = events[key];
- if (!_.isFunction(method)) method = this[method];
- if (!method) continue;
- var match = key.match(delegateEventSplitter);
- this.delegate(match[1], match[2], _.bind(method, this));
- }
- return this;
+ // Special-cased proxy to underscore's `_.matches` method.
+ matches: function(attrs) {
+ return !!_.iteratee(attrs, this)(this.attributes);
},
- // Add a single event listener to the view's element (or a child element
- // using `selector`). This only works for delegate-able events: not `focus`,
- // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
- delegate: function(eventName, selector, listener) {
- this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
+ // Set a hash of model attributes on the object, firing `"change"`. This is
+ // the core primitive operation of a model, updating the data and notifying
+ // anyone who needs to know about the change in state. The heart of the beast.
+ set: function(key, val, options) {
+ if (key == null) return this;
+
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ if (typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
+
+ options || (options = {});
+
+ // Run validation.
+ if (!this._validate(attrs, options)) return false;
+
+ // Extract attributes and options.
+ var unset = options.unset;
+ var silent = options.silent;
+ var changes = [];
+ var changing = this._changing;
+ this._changing = true;
+
+ if (!changing) {
+ this._previousAttributes = _.clone(this.attributes);
+ this.changed = {};
+ }
+
+ var current = this.attributes;
+ var changed = this.changed;
+ var prev = this._previousAttributes;
+
+ // For each `set` attribute, update or delete the current value.
+ for (var attr in attrs) {
+ val = attrs[attr];
+ if (!_.isEqual(current[attr], val)) changes.push(attr);
+ if (!_.isEqual(prev[attr], val)) {
+ changed[attr] = val;
+ } else {
+ delete changed[attr];
+ }
+ unset ? delete current[attr] : current[attr] = val;
+ }
+
+ // Update the `id`.
+ if (this.idAttribute in attrs) this.id = this.get(this.idAttribute);
+
+ // Trigger all relevant attribute changes.
+ if (!silent) {
+ if (changes.length) this._pending = options;
+ for (var i = 0; i < changes.length; i++) {
+ this.trigger('change:' + changes[i], this, current[changes[i]], options);
+ }
+ }
+
+ // You might be wondering why there's a `while` loop here. Changes can
+ // be recursively nested within `"change"` events.
+ if (changing) return this;
+ if (!silent) {
+ while (this._pending) {
+ options = this._pending;
+ this._pending = false;
+ this.trigger('change', this, options);
+ }
+ }
+ this._pending = false;
+ this._changing = false;
return this;
},
- // Clears all callbacks previously bound to the view by `delegateEvents`.
- // You usually don't need to use this, but may wish to if you have multiple
- // Backbone views attached to the same DOM element.
- undelegateEvents: function() {
- if (this.$el) this.$el.off('.delegateEvents' + this.cid);
- return this;
+ // Remove an attribute from the model, firing `"change"`. `unset` is a noop
+ // if the attribute doesn't exist.
+ unset: function(attr, options) {
+ return this.set(attr, void 0, _.extend({}, options, {unset: true}));
},
- // A finer-grained `undelegateEvents` for removing a single delegated event.
- // `selector` and `listener` are both optional.
- undelegate: function(eventName, selector, listener) {
- this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
- return this;
+ // Clear all attributes on the model, firing `"change"`.
+ clear: function(options) {
+ var attrs = {};
+ for (var key in this.attributes) attrs[key] = void 0;
+ return this.set(attrs, _.extend({}, options, {unset: true}));
},
- // Produces a DOM element to be assigned to your view. Exposed for
- // subclasses using an alternative DOM manipulation API.
- _createElement: function(tagName) {
- return document.createElement(tagName);
+ // Determine if the model has changed since the last `"change"` event.
+ // If you specify an attribute name, determine if that attribute has changed.
+ hasChanged: function(attr) {
+ if (attr == null) return !_.isEmpty(this.changed);
+ return _.has(this.changed, attr);
},
- // Ensure that the View has a DOM element to render into.
- // If `this.el` is a string, pass it through `$()`, take the first
- // matching element, and re-assign it to `el`. Otherwise, create
- // an element from the `id`, `className` and `tagName` properties.
- _ensureElement: function() {
- if (!this.el) {
- var attrs = _.extend({}, _.result(this, 'attributes'));
- if (this.id) attrs.id = _.result(this, 'id');
- if (this.className) attrs['class'] = _.result(this, 'className');
- this.setElement(this._createElement(_.result(this, 'tagName')));
- this._setAttributes(attrs);
- } else {
- this.setElement(_.result(this, 'el'));
+ // Return an object containing all the attributes that have changed, or
+ // false if there are no changed attributes. Useful for determining what
+ // parts of a view need to be updated and/or what attributes need to be
+ // persisted to the server. Unset attributes will be set to undefined.
+ // You can also pass an attributes object to diff against the model,
+ // determining if there *would be* a change.
+ changedAttributes: function(diff) {
+ if (!diff) return this.hasChanged() ? _.clone(this.changed) : false;
+ var old = this._changing ? this._previousAttributes : this.attributes;
+ var changed = {};
+ for (var attr in diff) {
+ var val = diff[attr];
+ if (_.isEqual(old[attr], val)) continue;
+ changed[attr] = val;
}
+ return _.size(changed) ? changed : false;
},
- // Set attributes from a hash on this view's element. Exposed for
- // subclasses using an alternative DOM manipulation API.
- _setAttributes: function(attributes) {
- this.$el.attr(attributes);
- }
+ // Get the previous value of an attribute, recorded at the time the last
+ // `"change"` event was fired.
+ previous: function(attr) {
+ if (attr == null || !this._previousAttributes) return null;
+ return this._previousAttributes[attr];
+ },
- });
+ // Get all of the attributes of the model at the time of the previous
+ // `"change"` event.
+ previousAttributes: function() {
+ return _.clone(this._previousAttributes);
+ },
- // Backbone.sync
- // -------------
+ // Fetch the model from the server, merging the response with the model's
+ // local attributes. Any changed attributes will trigger a "change" event.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var model = this;
+ var success = options.success;
+ options.success = function(resp) {
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (!model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
- // Override this function to change the manner in which Backbone persists
- // models to the server. You will be passed the type of request, and the
- // model in question. By default, makes a RESTful Ajax request
- // to the model's `url()`. Some possible customizations could be:
- //
- // * Use `setTimeout` to batch rapid-fire updates into a single request.
- // * Send up the models as XML instead of JSON.
- // * Persist models via WebSockets instead of Ajax.
- //
- // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
- // as `POST`, with a `_method` parameter containing the true HTTP method,
- // as well as all requests with the body as `application/x-www-form-urlencoded`
- // instead of `application/json` with the model in a param named `model`.
- // Useful when interfacing with server-side languages like **PHP** that make
- // it difficult to read the body of `PUT` requests.
- Backbone.sync = function(method, model, options) {
- var type = methodMap[method];
+ // Set a hash of model attributes, and sync the model to the server.
+ // If the server returns an attributes hash that differs, the model's
+ // state will be `set` again.
+ save: function(key, val, options) {
+ // Handle both `"key", value` and `{key: value}` -style arguments.
+ var attrs;
+ if (key == null || typeof key === 'object') {
+ attrs = key;
+ options = val;
+ } else {
+ (attrs = {})[key] = val;
+ }
- // Default options, unless specified.
- _.defaults(options || (options = {}), {
- emulateHTTP: Backbone.emulateHTTP,
- emulateJSON: Backbone.emulateJSON
- });
+ options = _.extend({validate: true, parse: true}, options);
+ var wait = options.wait;
- // Default JSON-request options.
- var params = {type: type, dataType: 'json'};
+ // If we're not waiting and attributes exist, save acts as
+ // `set(attr).save(null, opts)` with validation. Otherwise, check if
+ // the model will be valid when the attributes, if any, are set.
+ if (attrs && !wait) {
+ if (!this.set(attrs, options)) return false;
+ } else if (!this._validate(attrs, options)) {
+ return false;
+ }
- // Ensure that we have a URL.
- if (!options.url) {
- params.url = _.result(model, 'url') || urlError();
- }
-
- // Ensure that we have the appropriate request data.
- if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
- params.contentType = 'application/json';
- params.data = JSON.stringify(options.attrs || model.toJSON(options));
- }
-
- // For older servers, emulate JSON by encoding the request into an HTML-form.
- if (options.emulateJSON) {
- params.contentType = 'application/x-www-form-urlencoded';
- params.data = params.data ? {model: params.data} : {};
- }
-
- // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
- // And an `X-HTTP-Method-Override` header.
- if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
- params.type = 'POST';
- if (options.emulateJSON) params.data._method = type;
- var beforeSend = options.beforeSend;
- options.beforeSend = function(xhr) {
- xhr.setRequestHeader('X-HTTP-Method-Override', type);
- if (beforeSend) return beforeSend.apply(this, arguments);
+ // After a successful server-side save, the client is (optionally)
+ // updated with the server-side state.
+ var model = this;
+ var success = options.success;
+ var attributes = this.attributes;
+ options.success = function(resp) {
+ // Ensure attributes are restored during synchronous saves.
+ model.attributes = attributes;
+ var serverAttrs = options.parse ? model.parse(resp, options) : resp;
+ if (wait) serverAttrs = _.extend({}, attrs, serverAttrs);
+ if (serverAttrs && !model.set(serverAttrs, options)) return false;
+ if (success) success.call(options.context, model, resp, options);
+ model.trigger('sync', model, resp, options);
};
- }
-
- // Don't process data on a non-GET request.
- if (params.type !== 'GET' && !options.emulateJSON) {
- params.processData = false;
- }
-
- // Pass along `textStatus` and `errorThrown` from jQuery.
- var error = options.error;
- options.error = function(xhr, textStatus, errorThrown) {
- options.textStatus = textStatus;
- options.errorThrown = errorThrown;
- if (error) error.call(options.context, xhr, textStatus, errorThrown);
- };
-
- // Make the request, allowing the user to override any Ajax options.
- var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
- model.trigger('request', model, xhr, options);
- return xhr;
- };
+ wrapError(this, options);
- // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
- var methodMap = {
- 'create': 'POST',
- 'update': 'PUT',
- 'patch': 'PATCH',
- 'delete': 'DELETE',
- 'read': 'GET'
- };
+ // Set temporary attributes if `{wait: true}` to properly find new ids.
+ if (attrs && wait) this.attributes = _.extend({}, attributes, attrs);
- // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
- // Override this if you'd like to use a different library.
- Backbone.ajax = function() {
- return Backbone.$.ajax.apply(Backbone.$, arguments);
- };
+ var method = this.isNew() ? 'create' : (options.patch ? 'patch' : 'update');
+ if (method === 'patch' && !options.attrs) options.attrs = attrs;
+ var xhr = this.sync(method, this, options);
- // Backbone.Router
- // ---------------
+ // Restore attributes.
+ this.attributes = attributes;
- // Routers map faux-URLs to actions, and fire events when routes are
- // matched. Creating a new one sets its `routes` hash, if not set statically.
- var Router = Backbone.Router = function(options) {
- options || (options = {});
- if (options.routes) this.routes = options.routes;
- this._bindRoutes();
- this.initialize.apply(this, arguments);
- };
+ return xhr;
+ },
- // Cached regular expressions for matching named param parts and splatted
- // parts of route strings.
- var optionalParam = /\((.*?)\)/g;
- var namedParam = /(\(\?)?:\w+/g;
- var splatParam = /\*\w+/g;
- var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+ // Destroy this model on the server if it was already persisted.
+ // Optimistically removes the model from its collection, if it has one.
+ // If `wait: true` is passed, waits for the server to respond before removal.
+ destroy: function(options) {
+ options = options ? _.clone(options) : {};
+ var model = this;
+ var success = options.success;
+ var wait = options.wait;
- // Set up all inheritable **Backbone.Router** properties and methods.
- _.extend(Router.prototype, Events, {
+ var destroy = function() {
+ model.stopListening();
+ model.trigger('destroy', model, model.collection, options);
+ };
- // Initialize is an empty function by default. Override it with your own
- // initialization logic.
- initialize: function(){},
+ options.success = function(resp) {
+ if (wait) destroy();
+ if (success) success.call(options.context, model, resp, options);
+ if (!model.isNew()) model.trigger('sync', model, resp, options);
+ };
- // Manually bind a single named route to a callback. For example:
- //
- // this.route('search/:query/p:num', 'search', function(query, num) {
- // ...
- // });
- //
- route: function(route, name, callback) {
- if (!_.isRegExp(route)) route = this._routeToRegExp(route);
- if (_.isFunction(name)) {
- callback = name;
- name = '';
+ var xhr = false;
+ if (this.isNew()) {
+ _.defer(options.success);
+ } else {
+ wrapError(this, options);
+ xhr = this.sync('delete', this, options);
}
- if (!callback) callback = this[name];
- var router = this;
- Backbone.history.route(route, function(fragment) {
- var args = router._extractParameters(route, fragment);
- if (router.execute(callback, args, name) !== false) {
- router.trigger.apply(router, ['route:' + name].concat(args));
- router.trigger('route', name, args);
- Backbone.history.trigger('route', router, name, args);
- }
- });
- return this;
+ if (!wait) destroy();
+ return xhr;
},
- // Execute a route handler with the provided parameters. This is an
- // excellent place to do pre-route setup or post-route cleanup.
- execute: function(callback, args, name) {
- if (callback) callback.apply(this, args);
+ // Default URL for the model's representation on the server -- if you're
+ // using Backbone's restful methods, override this to change the endpoint
+ // that will be called.
+ url: function() {
+ var base =
+ _.result(this, 'urlRoot') ||
+ _.result(this.collection, 'url') ||
+ urlError();
+ if (this.isNew()) return base;
+ var id = this.get(this.idAttribute);
+ return base.replace(/[^\/]$/, '$&/') + encodeURIComponent(id);
},
- // Simple proxy to `Backbone.history` to save a fragment into the history.
- navigate: function(fragment, options) {
- Backbone.history.navigate(fragment, options);
- return this;
+ // **parse** converts a response into the hash of attributes to be `set` on
+ // the model. The default implementation is just to pass the response along.
+ parse: function(resp, options) {
+ return resp;
},
- // Bind all defined routes to `Backbone.history`. We have to reverse the
- // order of the routes here to support behavior where the most general
- // routes can be defined at the bottom of the route map.
- _bindRoutes: function() {
- if (!this.routes) return;
- this.routes = _.result(this, 'routes');
- var route, routes = _.keys(this.routes);
- while ((route = routes.pop()) != null) {
- this.route(route, this.routes[route]);
- }
+ // Create a new model with identical attributes to this one.
+ clone: function() {
+ return new this.constructor(this.attributes);
},
- // Convert a route string into a regular expression, suitable for matching
- // against the current location hash.
- _routeToRegExp: function(route) {
- route = route.replace(escapeRegExp, '\\$&')
- .replace(optionalParam, '(?:$1)?')
- .replace(namedParam, function(match, optional) {
- return optional ? match : '([^/?]+)';
- })
- .replace(splatParam, '([^?]*?)');
- return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+ // A model is new if it has never been saved to the server, and lacks an id.
+ isNew: function() {
+ return !this.has(this.idAttribute);
},
- // Given a route, and a URL fragment that it matches, return the array of
- // extracted decoded parameters. Empty or unmatched parameters will be
- // treated as `null` to normalize cross-browser behavior.
- _extractParameters: function(route, fragment) {
- var params = route.exec(fragment).slice(1);
- return _.map(params, function(param, i) {
- // Don't decode the search params.
- if (i === params.length - 1) return param || null;
- return param ? decodeURIComponent(param) : null;
- });
+ // Check if the model is currently in a valid state.
+ isValid: function(options) {
+ return this._validate({}, _.extend({}, options, {validate: true}));
+ },
+
+ // Run validation against the next complete set of model attributes,
+ // returning `true` if all is well. Otherwise, fire an `"invalid"` event.
+ _validate: function(attrs, options) {
+ if (!options.validate || !this.validate) return true;
+ attrs = _.extend({}, this.attributes, attrs);
+ var error = this.validationError = this.validate(attrs, options) || null;
+ if (!error) return true;
+ this.trigger('invalid', this, error, _.extend(options, {validationError: error}));
+ return false;
}
});
- // Backbone.History
- // ----------------
+ // Underscore methods that we want to implement on the Model, mapped to the
+ // number of arguments they take.
+ var modelMethods = {keys: 1, values: 1, pairs: 1, invert: 1, pick: 0,
+ omit: 0, chain: 1, isEmpty: 1};
- // Handles cross-browser history management, based on either
- // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
- // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
- // and URL fragments. If the browser supports neither (old IE, natch),
- // falls back to polling.
- var History = Backbone.History = function() {
- this.handlers = [];
- this.checkUrl = _.bind(this.checkUrl, this);
+ // Mix in each Underscore method as a proxy to `Model#attributes`.
+ addUnderscoreMethods(Model, modelMethods, 'attributes');
- // Ensure that `History` can be used outside of the browser.
- if (typeof window !== 'undefined') {
- this.location = window.location;
- this.history = window.history;
- }
- };
+ // Backbone.Collection
+ // -------------------
- // Cached regex for stripping a leading hash/slash and trailing space.
- var routeStripper = /^[#\/]|\s+$/g;
+ // If models tend to represent a single row of data, a Backbone Collection is
+ // more analogous to a table full of data ... or a small slice or page of that
+ // table, or a collection of rows that belong together for a particular reason
+ // -- all of the messages in this particular folder, all of the documents
+ // belonging to this particular author, and so on. Collections maintain
+ // indexes of their models, both in order, and for lookup by `id`.
- // Cached regex for stripping leading and trailing slashes.
- var rootStripper = /^\/+|\/+$/g;
+ // Create a new **Collection**, perhaps to contain a specific type of `model`.
+ // If a `comparator` is specified, the Collection will maintain
+ // its models in sort order, as they're added and removed.
+ var Collection = Backbone.Collection = function(models, options) {
+ options || (options = {});
+ if (options.model) this.model = options.model;
+ if (options.comparator !== void 0) this.comparator = options.comparator;
+ this._reset();
+ this.initialize.apply(this, arguments);
+ if (models) this.reset(models, _.extend({silent: true}, options));
+ };
- // Cached regex for stripping urls of hash.
- var pathStripper = /#.*$/;
+ // Default options for `Collection#set`.
+ var setOptions = {add: true, remove: true, merge: true};
+ var addOptions = {add: true, remove: false};
- // Has the history handling already been started?
- History.started = false;
+ // Splices `insert` into `array` at index `at`.
+ var splice = function(array, insert, at) {
+ at = Math.min(Math.max(at, 0), array.length);
+ var tail = Array(array.length - at);
+ var length = insert.length;
+ var i;
+ for (i = 0; i < tail.length; i++) tail[i] = array[i + at];
+ for (i = 0; i < length; i++) array[i + at] = insert[i];
+ for (i = 0; i < tail.length; i++) array[i + length + at] = tail[i];
+ };
- // Set up all inheritable **Backbone.History** properties and methods.
- _.extend(History.prototype, Events, {
+ // Define the Collection's inheritable methods.
+ _.extend(Collection.prototype, Events, {
- // The default interval to poll for hash changes, if necessary, is
- // twenty times a second.
- interval: 50,
+ // The default model for a collection is just a **Backbone.Model**.
+ // This should be overridden in most cases.
+ model: Model,
- // Are we at the app root?
- atRoot: function() {
- var path = this.location.pathname.replace(/[^\/]$/, '$&/');
- return path === this.root && !this.getSearch();
- },
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
- // Does the pathname match the root?
- matchRoot: function() {
- var path = this.decodeFragment(this.location.pathname);
- var rootPath = path.slice(0, this.root.length - 1) + '/';
- return rootPath === this.root;
+ // The JSON representation of a Collection is an array of the
+ // models' attributes.
+ toJSON: function(options) {
+ return this.map(function(model) { return model.toJSON(options); });
},
- // Unicode characters in `location.pathname` are percent encoded so they're
- // decoded for comparison. `%25` should not be decoded since it may be part
- // of an encoded parameter.
- decodeFragment: function(fragment) {
- return decodeURI(fragment.replace(/%25/g, '%2525'));
+ // Proxy `Backbone.sync` by default.
+ sync: function() {
+ return Backbone.sync.apply(this, arguments);
},
- // In IE6, the hash fragment and search params are incorrect if the
- // fragment contains `?`.
- getSearch: function() {
- var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
- return match ? match[0] : '';
+ // Add a model, or list of models to the set. `models` may be Backbone
+ // Models or raw JavaScript objects to be converted to Models, or any
+ // combination of the two.
+ add: function(models, options) {
+ return this.set(models, _.extend({merge: false}, options, addOptions));
},
- // Gets the true hash value. Cannot use location.hash directly due to bug
- // in Firefox where location.hash will always be decoded.
- getHash: function(window) {
- var match = (window || this).location.href.match(/#(.*)$/);
- return match ? match[1] : '';
+ // Remove a model, or a list of models from the set.
+ remove: function(models, options) {
+ options = _.extend({}, options);
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
+ var removed = this._removeModels(models, options);
+ if (!options.silent && removed.length) {
+ options.changes = {added: [], merged: [], removed: removed};
+ this.trigger('update', this, options);
+ }
+ return singular ? removed[0] : removed;
},
- // Get the pathname and search params, without the root.
- getPath: function() {
- var path = this.decodeFragment(
- this.location.pathname + this.getSearch()
- ).slice(this.root.length - 1);
- return path.charAt(0) === '/' ? path.slice(1) : path;
- },
+ // Update a collection by `set`-ing a new list of models, adding new ones,
+ // removing models that are no longer present, and merging models that
+ // already exist in the collection, as necessary. Similar to **Model#set**,
+ // the core operation for updating the data contained by the collection.
+ set: function(models, options) {
+ if (models == null) return;
- // Get the cross-browser normalized URL fragment from the path or hash.
- getFragment: function(fragment) {
- if (fragment == null) {
- if (this._usePushState || !this._wantsHashChange) {
- fragment = this.getPath();
- } else {
- fragment = this.getHash();
- }
+ options = _.extend({}, setOptions, options);
+ if (options.parse && !this._isModel(models)) {
+ models = this.parse(models, options) || [];
}
- return fragment.replace(routeStripper, '');
- },
- // Start the hash change handling, returning `true` if the current URL matches
- // an existing route, and `false` otherwise.
- start: function(options) {
- if (History.started) throw new Error('Backbone.history has already been started');
- History.started = true;
+ var singular = !_.isArray(models);
+ models = singular ? [models] : models.slice();
- // Figure out the initial configuration. Do we need an iframe?
- // Is pushState desired ... is it available?
- this.options = _.extend({root: '/'}, this.options, options);
- this.root = this.options.root;
- this._wantsHashChange = this.options.hashChange !== false;
- this._hasHashChange = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
- this._useHashChange = this._wantsHashChange && this._hasHashChange;
- this._wantsPushState = !!this.options.pushState;
- this._hasPushState = !!(this.history && this.history.pushState);
- this._usePushState = this._wantsPushState && this._hasPushState;
- this.fragment = this.getFragment();
+ var at = options.at;
+ if (at != null) at = +at;
+ if (at > this.length) at = this.length;
+ if (at < 0) at += this.length + 1;
- // Normalize root to always include a leading and trailing slash.
- this.root = ('/' + this.root + '/').replace(rootStripper, '/');
+ var set = [];
+ var toAdd = [];
+ var toMerge = [];
+ var toRemove = [];
+ var modelMap = {};
- // Transition from hashChange to pushState or vice versa if both are
- // requested.
- if (this._wantsHashChange && this._wantsPushState) {
+ var add = options.add;
+ var merge = options.merge;
+ var remove = options.remove;
- // If we've started off with a route from a `pushState`-enabled
- // browser, but we're currently in a browser that doesn't support it...
- if (!this._hasPushState && !this.atRoot()) {
- var rootPath = this.root.slice(0, -1) || '/';
- this.location.replace(rootPath + '#' + this.getPath());
- // Return immediately as browser will do redirect to new url
- return true;
+ var sort = false;
+ var sortable = this.comparator && at == null && options.sort !== false;
+ var sortAttr = _.isString(this.comparator) ? this.comparator : null;
- // Or if we've started out with a hash-based route, but we're currently
- // in a browser where it could be `pushState`-based instead...
- } else if (this._hasPushState && this.atRoot()) {
- this.navigate(this.getHash(), {replace: true});
- }
+ // Turn bare objects into model references, and prevent invalid models
+ // from being added.
+ var model, i;
+ for (i = 0; i < models.length; i++) {
+ model = models[i];
- }
+ // If a duplicate is found, prevent it from being added and
+ // optionally merge it into the existing model.
+ var existing = this.get(model);
+ if (existing) {
+ if (merge && model !== existing) {
+ var attrs = this._isModel(model) ? model.attributes : model;
+ if (options.parse) attrs = existing.parse(attrs, options);
+ existing.set(attrs, options);
+ toMerge.push(existing);
+ if (sortable && !sort) sort = existing.hasChanged(sortAttr);
+ }
+ if (!modelMap[existing.cid]) {
+ modelMap[existing.cid] = true;
+ set.push(existing);
+ }
+ models[i] = existing;
- // Proxy an iframe to handle location events if the browser doesn't
- // support the `hashchange` event, HTML5 history, or the user wants
- // `hashChange` but not `pushState`.
- if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
- this.iframe = document.createElement('iframe');
- this.iframe.src = 'javascript:0';
- this.iframe.style.display = 'none';
- this.iframe.tabIndex = -1;
- var body = document.body;
- // Using `appendChild` will throw on IE < 9 if the document is not ready.
- var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
- iWindow.document.open();
- iWindow.document.close();
- iWindow.location.hash = '#' + this.fragment;
+ // If this is a new, valid model, push it to the `toAdd` list.
+ } else if (add) {
+ model = models[i] = this._prepareModel(model, options);
+ if (model) {
+ toAdd.push(model);
+ this._addReference(model, options);
+ modelMap[model.cid] = true;
+ set.push(model);
+ }
+ }
}
- // Add a cross-platform `addEventListener` shim for older browsers.
- var addEventListener = window.addEventListener || function(eventName, listener) {
- return attachEvent('on' + eventName, listener);
- };
+ // Remove stale models.
+ if (remove) {
+ for (i = 0; i < this.length; i++) {
+ model = this.models[i];
+ if (!modelMap[model.cid]) toRemove.push(model);
+ }
+ if (toRemove.length) this._removeModels(toRemove, options);
+ }
- // Depending on whether we're using pushState or hashes, and whether
- // 'onhashchange' is supported, determine how we check the URL state.
- if (this._usePushState) {
- addEventListener('popstate', this.checkUrl, false);
- } else if (this._useHashChange && !this.iframe) {
- addEventListener('hashchange', this.checkUrl, false);
- } else if (this._wantsHashChange) {
- this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
+ // See if sorting is needed, update `length` and splice in new models.
+ var orderChanged = false;
+ var replace = !sortable && add && remove;
+ if (set.length && replace) {
+ orderChanged = this.length !== set.length || _.some(this.models, function(m, index) {
+ return m !== set[index];
+ });
+ this.models.length = 0;
+ splice(this.models, set, 0);
+ this.length = this.models.length;
+ } else if (toAdd.length) {
+ if (sortable) sort = true;
+ splice(this.models, toAdd, at == null ? this.length : at);
+ this.length = this.models.length;
}
- if (!this.options.silent) return this.loadUrl();
- },
+ // Silently sort the collection if appropriate.
+ if (sort) this.sort({silent: true});
- // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
- // but possibly useful for unit testing Routers.
- stop: function() {
- // Add a cross-platform `removeEventListener` shim for older browsers.
- var removeEventListener = window.removeEventListener || function(eventName, listener) {
- return detachEvent('on' + eventName, listener);
- };
-
- // Remove window listeners.
- if (this._usePushState) {
- removeEventListener('popstate', this.checkUrl, false);
- } else if (this._useHashChange && !this.iframe) {
- removeEventListener('hashchange', this.checkUrl, false);
- }
-
- // Clean up the iframe if necessary.
- if (this.iframe) {
- document.body.removeChild(this.iframe);
- this.iframe = null;
+ // Unless silenced, it's time to fire all appropriate add/sort/update events.
+ if (!options.silent) {
+ for (i = 0; i < toAdd.length; i++) {
+ if (at != null) options.index = at + i;
+ model = toAdd[i];
+ model.trigger('add', model, this, options);
+ }
+ if (sort || orderChanged) this.trigger('sort', this, options);
+ if (toAdd.length || toRemove.length || toMerge.length) {
+ options.changes = {
+ added: toAdd,
+ removed: toRemove,
+ merged: toMerge
+ };
+ this.trigger('update', this, options);
+ }
}
- // Some environments will throw when clearing an undefined interval.
- if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
- History.started = false;
+ // Return the added (or merged) model (or models).
+ return singular ? models[0] : models;
},
- // Add a route to be tested when the fragment changes. Routes added later
- // may override previous routes.
- route: function(route, callback) {
- this.handlers.unshift({route: route, callback: callback});
+ // When you have more items than you want to add or remove individually,
+ // you can reset the entire set with a new list of models, without firing
+ // any granular `add` or `remove` events. Fires `reset` when finished.
+ // Useful for bulk operations and optimizations.
+ reset: function(models, options) {
+ options = options ? _.clone(options) : {};
+ for (var i = 0; i < this.models.length; i++) {
+ this._removeReference(this.models[i], options);
+ }
+ options.previousModels = this.models;
+ this._reset();
+ models = this.add(models, _.extend({silent: true}, options));
+ if (!options.silent) this.trigger('reset', this, options);
+ return models;
},
- // Checks the current URL to see if it has changed, and if it has,
- // calls `loadUrl`, normalizing across the hidden iframe.
- checkUrl: function(e) {
- var current = this.getFragment();
-
- // If the user pressed the back button, the iframe's hash will have
- // changed and we should use that for comparison.
- if (current === this.fragment && this.iframe) {
- current = this.getHash(this.iframe.contentWindow);
- }
+ // Add a model to the end of the collection.
+ push: function(model, options) {
+ return this.add(model, _.extend({at: this.length}, options));
+ },
- if (current === this.fragment) return false;
- if (this.iframe) this.navigate(current);
- this.loadUrl();
+ // Remove a model from the end of the collection.
+ pop: function(options) {
+ var model = this.at(this.length - 1);
+ return this.remove(model, options);
},
- // Attempt to load the current URL fragment. If a route succeeds with a
- // match, returns `true`. If no defined routes matches the fragment,
- // returns `false`.
- loadUrl: function(fragment) {
- // If the root doesn't match, no routes can match either.
- if (!this.matchRoot()) return false;
- fragment = this.fragment = this.getFragment(fragment);
- return _.some(this.handlers, function(handler) {
- if (handler.route.test(fragment)) {
- handler.callback(fragment);
- return true;
- }
- });
+ // Add a model to the beginning of the collection.
+ unshift: function(model, options) {
+ return this.add(model, _.extend({at: 0}, options));
},
- // Save a fragment into the hash history, or replace the URL state if the
- // 'replace' option is passed. You are responsible for properly URL-encoding
- // the fragment in advance.
- //
- // The options object can contain `trigger: true` if you wish to have the
- // route callback be fired (not usually desirable), or `replace: true`, if
- // you wish to modify the current URL without adding an entry to the history.
- navigate: function(fragment, options) {
- if (!History.started) return false;
- if (!options || options === true) options = {trigger: !!options};
+ // Remove a model from the beginning of the collection.
+ shift: function(options) {
+ var model = this.at(0);
+ return this.remove(model, options);
+ },
- // Normalize the fragment.
- fragment = this.getFragment(fragment || '');
+ // Slice out a sub-array of models from the collection.
+ slice: function() {
+ return slice.apply(this.models, arguments);
+ },
- // Don't include a trailing slash on the root.
- var rootPath = this.root;
- if (fragment === '' || fragment.charAt(0) === '?') {
- rootPath = rootPath.slice(0, -1) || '/';
- }
- var url = rootPath + fragment;
+ // Get a model from the set by id, cid, model object with id or cid
+ // properties, or an attributes object that is transformed through modelId.
+ get: function(obj) {
+ if (obj == null) return void 0;
+ return this._byId[obj] ||
+ this._byId[this.modelId(obj.attributes || obj)] ||
+ obj.cid && this._byId[obj.cid];
+ },
- // Strip the hash and decode for matching.
- fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
+ // Returns `true` if the model is in the collection.
+ has: function(obj) {
+ return this.get(obj) != null;
+ },
- if (this.fragment === fragment) return;
- this.fragment = fragment;
+ // Get the model at the given index.
+ at: function(index) {
+ if (index < 0) index += this.length;
+ return this.models[index];
+ },
- // If pushState is available, we use it to set the fragment as a real URL.
- if (this._usePushState) {
- this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
+ // Return models with matching attributes. Useful for simple cases of
+ // `filter`.
+ where: function(attrs, first) {
+ return this[first ? 'find' : 'filter'](attrs);
+ },
- // If hash changes haven't been explicitly disabled, update the hash
- // fragment to store history.
- } else if (this._wantsHashChange) {
- this._updateHash(this.location, fragment, options.replace);
- if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
- var iWindow = this.iframe.contentWindow;
+ // Return the first model with matching attributes. Useful for simple cases
+ // of `find`.
+ findWhere: function(attrs) {
+ return this.where(attrs, true);
+ },
- // Opening and closing the iframe tricks IE7 and earlier to push a
- // history entry on hash-tag change. When replace is true, we don't
- // want this.
- if (!options.replace) {
- iWindow.document.open();
- iWindow.document.close();
- }
+ // Force the collection to re-sort itself. You don't need to call this under
+ // normal circumstances, as the set will maintain sort order as each item
+ // is added.
+ sort: function(options) {
+ var comparator = this.comparator;
+ if (!comparator) throw new Error('Cannot sort a set without a comparator');
+ options || (options = {});
- this._updateHash(iWindow.location, fragment, options.replace);
- }
+ var length = comparator.length;
+ if (_.isFunction(comparator)) comparator = _.bind(comparator, this);
- // If you've told us that you explicitly don't want fallback hashchange-
- // based history, then `navigate` becomes a page refresh.
+ // Run sort based on type of `comparator`.
+ if (length === 1 || _.isString(comparator)) {
+ this.models = this.sortBy(comparator);
} else {
- return this.location.assign(url);
+ this.models.sort(comparator);
}
- if (options.trigger) return this.loadUrl(fragment);
+ if (!options.silent) this.trigger('sort', this, options);
+ return this;
},
- // Update the hash location, either replacing the current entry, or adding
- // a new one to the browser history.
- _updateHash: function(location, fragment, replace) {
- if (replace) {
- var href = location.href.replace(/(javascript:|#).*$/, '');
- location.replace(href + '#' + fragment);
- } else {
- // Some browsers require that `hash` contains a leading #.
- location.hash = '#' + fragment;
- }
- }
+ // Pluck an attribute from each model in the collection.
+ pluck: function(attr) {
+ return this.map(attr + '');
+ },
- });
+ // Fetch the default set of models for this collection, resetting the
+ // collection when they arrive. If `reset: true` is passed, the response
+ // data will be passed through the `reset` method instead of `set`.
+ fetch: function(options) {
+ options = _.extend({parse: true}, options);
+ var success = options.success;
+ var collection = this;
+ options.success = function(resp) {
+ var method = options.reset ? 'reset' : 'set';
+ collection[method](resp, options);
+ if (success) success.call(options.context, collection, resp, options);
+ collection.trigger('sync', collection, resp, options);
+ };
+ wrapError(this, options);
+ return this.sync('read', this, options);
+ },
- // Create the default Backbone.history.
- Backbone.history = new History;
+ // Create a new instance of a model in this collection. Add the model to the
+ // collection immediately, unless `wait: true` is passed, in which case we
+ // wait for the server to agree.
+ create: function(model, options) {
+ options = options ? _.clone(options) : {};
+ var wait = options.wait;
+ model = this._prepareModel(model, options);
+ if (!model) return false;
+ if (!wait) this.add(model, options);
+ var collection = this;
+ var success = options.success;
+ options.success = function(m, resp, callbackOpts) {
+ if (wait) collection.add(m, callbackOpts);
+ if (success) success.call(callbackOpts.context, m, resp, callbackOpts);
+ };
+ model.save(null, options);
+ return model;
+ },
- // Helpers
- // -------
+ // **parse** converts a response into a list of models to be added to the
+ // collection. The default implementation is just to pass it through.
+ parse: function(resp, options) {
+ return resp;
+ },
- // Helper function to correctly set up the prototype chain for subclasses.
- // Similar to `goog.inherits`, but uses a hash of prototype properties and
- // class properties to be extended.
- var extend = function(protoProps, staticProps) {
- var parent = this;
- var child;
+ // Create a new collection with an identical list of models as this one.
+ clone: function() {
+ return new this.constructor(this.models, {
+ model: this.model,
+ comparator: this.comparator
+ });
+ },
- // The constructor function for the new subclass is either defined by you
- // (the "constructor" property in your `extend` definition), or defaulted
- // by us to simply call the parent constructor.
- if (protoProps && _.has(protoProps, 'constructor')) {
- child = protoProps.constructor;
- } else {
- child = function(){ return parent.apply(this, arguments); };
- }
+ // Define how to uniquely identify models in the collection.
+ modelId: function(attrs) {
+ return attrs[this.model.prototype.idAttribute || 'id'];
+ },
- // Add static properties to the constructor function, if supplied.
- _.extend(child, parent, staticProps);
+ // Private method to reset all internal state. Called when the collection
+ // is first initialized or reset.
+ _reset: function() {
+ this.length = 0;
+ this.models = [];
+ this._byId = {};
+ },
- // Set the prototype chain to inherit from `parent`, without calling
- // `parent`'s constructor function and add the prototype properties.
- child.prototype = _.create(parent.prototype, protoProps);
- child.prototype.constructor = child;
+ // Prepare a hash of attributes (or other model) to be added to this
+ // collection.
+ _prepareModel: function(attrs, options) {
+ if (this._isModel(attrs)) {
+ if (!attrs.collection) attrs.collection = this;
+ return attrs;
+ }
+ options = options ? _.clone(options) : {};
+ options.collection = this;
+ var model = new this.model(attrs, options);
+ if (!model.validationError) return model;
+ this.trigger('invalid', this, model.validationError, options);
+ return false;
+ },
- // Set a convenience property in case the parent's prototype is needed
- // later.
- child.__super__ = parent.prototype;
+ // Internal method called by both remove and set.
+ _removeModels: function(models, options) {
+ var removed = [];
+ for (var i = 0; i < models.length; i++) {
+ var model = this.get(models[i]);
+ if (!model) continue;
- return child;
- };
+ var index = this.indexOf(model);
+ this.models.splice(index, 1);
+ this.length--;
- // Set up inheritance for the model, collection, router, view and history.
- Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+ // Remove references before triggering 'remove' event to prevent an
+ // infinite loop. #3693
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
- // Throw an error when a URL is needed, and none is supplied.
- var urlError = function() {
- throw new Error('A "url" property or function must be specified');
- };
+ if (!options.silent) {
+ options.index = index;
+ model.trigger('remove', model, this, options);
+ }
- // Wrap an optional error callback with a fallback error event.
- var wrapError = function(model, options) {
- var error = options.error;
- options.error = function(resp) {
- if (error) error.call(options.context, model, resp, options);
- model.trigger('error', model, resp, options);
- };
- };
+ removed.push(model);
+ this._removeReference(model, options);
+ }
+ return removed;
+ },
- return Backbone;
-});
+ // Method for checking whether an object should be considered a model for
+ // the purposes of adding to the collection.
+ _isModel: function(model) {
+ return model instanceof Model;
+ },
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(16)))
+ // Internal method to create a model's ties to a collection.
+ _addReference: function(model, options) {
+ this._byId[model.cid] = model;
+ var id = this.modelId(model.attributes);
+ if (id != null) this._byId[id] = model;
+ model.on('all', this._onModelEvent, this);
+ },
-/***/ }),
-/* 1 */
-/***/ (function(module, exports, __webpack_require__) {
+ // Internal method to sever a model's ties to a collection.
+ _removeReference: function(model, options) {
+ delete this._byId[model.cid];
+ var id = this.modelId(model.attributes);
+ if (id != null) delete this._byId[id];
+ if (this === model.collection) delete model.collection;
+ model.off('all', this._onModelEvent, this);
+ },
-var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// Underscore.js 1.8.3
-// http://underscorejs.org
-// (c) 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
-// Underscore may be freely distributed under the MIT license.
+ // Internal method called every time a model in the set fires an event.
+ // Sets need to update their indexes when models change ids. All other
+ // events simply proxy through. "add" and "remove" events that originate
+ // in other collections are ignored.
+ _onModelEvent: function(event, model, collection, options) {
+ if (model) {
+ if ((event === 'add' || event === 'remove') && collection !== this) return;
+ if (event === 'destroy') this.remove(model, options);
+ if (event === 'change') {
+ var prevId = this.modelId(model.previousAttributes());
+ var id = this.modelId(model.attributes);
+ if (prevId !== id) {
+ if (prevId != null) delete this._byId[prevId];
+ if (id != null) this._byId[id] = model;
+ }
+ }
+ }
+ this.trigger.apply(this, arguments);
+ }
-(function() {
+ });
- // Baseline setup
- // --------------
+ // Underscore methods that we want to implement on the Collection.
+ // 90% of the core usefulness of Backbone Collections is actually implemented
+ // right here:
+ var collectionMethods = {forEach: 3, each: 3, map: 3, collect: 3, reduce: 0,
+ foldl: 0, inject: 0, reduceRight: 0, foldr: 0, find: 3, detect: 3, filter: 3,
+ select: 3, reject: 3, every: 3, all: 3, some: 3, any: 3, include: 3, includes: 3,
+ contains: 3, invoke: 0, max: 3, min: 3, toArray: 1, size: 1, first: 3,
+ head: 3, take: 3, initial: 3, rest: 3, tail: 3, drop: 3, last: 3,
+ without: 0, difference: 0, indexOf: 3, shuffle: 1, lastIndexOf: 3,
+ isEmpty: 1, chain: 1, sample: 3, partition: 3, groupBy: 3, countBy: 3,
+ sortBy: 3, indexBy: 3, findIndex: 3, findLastIndex: 3};
- // Establish the root object, `window` in the browser, or `exports` on the server.
- var root = this;
+ // Mix in each Underscore method as a proxy to `Collection#models`.
+ addUnderscoreMethods(Collection, collectionMethods, 'models');
- // Save the previous value of the `_` variable.
- var previousUnderscore = root._;
+ // Backbone.View
+ // -------------
- // Save bytes in the minified (but not gzipped) version:
- var ArrayProto = Array.prototype, ObjProto = Object.prototype, FuncProto = Function.prototype;
+ // Backbone Views are almost more convention than they are actual code. A View
+ // is simply a JavaScript object that represents a logical chunk of UI in the
+ // DOM. This might be a single item, an entire list, a sidebar or panel, or
+ // even the surrounding frame which wraps your whole app. Defining a chunk of
+ // UI as a **View** allows you to define your DOM events declaratively, without
+ // having to worry about render order ... and makes it easy for the view to
+ // react to specific changes in the state of your models.
- // Create quick reference variables for speed access to core prototypes.
- var
- push = ArrayProto.push,
- slice = ArrayProto.slice,
- toString = ObjProto.toString,
- hasOwnProperty = ObjProto.hasOwnProperty;
+ // Creating a Backbone.View creates its initial element outside of the DOM,
+ // if an existing element is not provided...
+ var View = Backbone.View = function(options) {
+ this.cid = _.uniqueId('view');
+ _.extend(this, _.pick(options, viewOptions));
+ this._ensureElement();
+ this.initialize.apply(this, arguments);
+ };
- // All **ECMAScript 5** native function implementations that we hope to use
- // are declared here.
- var
- nativeIsArray = Array.isArray,
- nativeKeys = Object.keys,
- nativeBind = FuncProto.bind,
- nativeCreate = Object.create;
+ // Cached regex to split keys for `delegate`.
+ var delegateEventSplitter = /^(\S+)\s*(.*)$/;
- // Naked function reference for surrogate-prototype-swapping.
- var Ctor = function(){};
+ // List of view options to be set as properties.
+ var viewOptions = ['model', 'collection', 'el', 'id', 'attributes', 'className', 'tagName', 'events'];
- // Create a safe reference to the Underscore object for use below.
- var _ = function(obj) {
- if (obj instanceof _) return obj;
- if (!(this instanceof _)) return new _(obj);
- this._wrapped = obj;
- };
+ // Set up all inheritable **Backbone.View** properties and methods.
+ _.extend(View.prototype, Events, {
- // Export the Underscore object for **Node.js**, with
- // backwards-compatibility for the old `require()` API. If we're in
- // the browser, add `_` as a global object.
- if (true) {
- if (typeof module !== 'undefined' && module.exports) {
- exports = module.exports = _;
- }
- exports._ = _;
- } else {
- root._ = _;
- }
+ // The default `tagName` of a View's element is `"div"`.
+ tagName: 'div',
- // Current version.
- _.VERSION = '1.8.3';
+ // jQuery delegate for element lookup, scoped to DOM elements within the
+ // current view. This should be preferred to global lookups where possible.
+ $: function(selector) {
+ return this.$el.find(selector);
+ },
- // Internal function that returns an efficient (for current engines) version
- // of the passed-in callback, to be repeatedly applied in other Underscore
- // functions.
- var optimizeCb = function(func, context, argCount) {
- if (context === void 0) return func;
- switch (argCount == null ? 3 : argCount) {
- case 1: return function(value) {
- return func.call(context, value);
- };
- case 2: return function(value, other) {
- return func.call(context, value, other);
- };
- case 3: return function(value, index, collection) {
- return func.call(context, value, index, collection);
- };
- case 4: return function(accumulator, value, index, collection) {
- return func.call(context, accumulator, value, index, collection);
- };
- }
- return function() {
- return func.apply(context, arguments);
- };
- };
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
- // A mostly-internal function to generate callbacks that can be applied
- // to each element in a collection, returning the desired result — either
- // identity, an arbitrary callback, a property matcher, or a property accessor.
- var cb = function(value, context, argCount) {
- if (value == null) return _.identity;
- if (_.isFunction(value)) return optimizeCb(value, context, argCount);
- if (_.isObject(value)) return _.matcher(value);
- return _.property(value);
- };
- _.iteratee = function(value, context) {
- return cb(value, context, Infinity);
- };
+ // **render** is the core function that your view should override, in order
+ // to populate its element (`this.el`), with the appropriate HTML. The
+ // convention is for **render** to always return `this`.
+ render: function() {
+ return this;
+ },
- // An internal function for creating assigner functions.
- var createAssigner = function(keysFunc, undefinedOnly) {
- return function(obj) {
- var length = arguments.length;
- if (length < 2 || obj == null) return obj;
- for (var index = 1; index < length; index++) {
- var source = arguments[index],
- keys = keysFunc(source),
- l = keys.length;
- for (var i = 0; i < l; i++) {
- var key = keys[i];
- if (!undefinedOnly || obj[key] === void 0) obj[key] = source[key];
- }
- }
- return obj;
- };
- };
+ // Remove this view by taking the element out of the DOM, and removing any
+ // applicable Backbone.Events listeners.
+ remove: function() {
+ this._removeElement();
+ this.stopListening();
+ return this;
+ },
- // An internal function for creating a new object that inherits from another.
- var baseCreate = function(prototype) {
- if (!_.isObject(prototype)) return {};
- if (nativeCreate) return nativeCreate(prototype);
- Ctor.prototype = prototype;
- var result = new Ctor;
- Ctor.prototype = null;
- return result;
- };
-
- var property = function(key) {
- return function(obj) {
- return obj == null ? void 0 : obj[key];
- };
- };
+ // Remove this view's element from the document and all event listeners
+ // attached to it. Exposed for subclasses using an alternative DOM
+ // manipulation API.
+ _removeElement: function() {
+ this.$el.remove();
+ },
- // Helper for collection methods to determine whether a collection
- // should be iterated as an array or as an object
- // Related: http://people.mozilla.org/~jorendorff/es6-draft.html#sec-tolength
- // Avoids a very nasty iOS 8 JIT bug on ARM-64. #2094
- var MAX_ARRAY_INDEX = Math.pow(2, 53) - 1;
- var getLength = property('length');
- var isArrayLike = function(collection) {
- var length = getLength(collection);
- return typeof length == 'number' && length >= 0 && length <= MAX_ARRAY_INDEX;
- };
+ // Change the view's element (`this.el` property) and re-delegate the
+ // view's events on the new element.
+ setElement: function(element) {
+ this.undelegateEvents();
+ this._setElement(element);
+ this.delegateEvents();
+ return this;
+ },
- // Collection Functions
- // --------------------
+ // Creates the `this.el` and `this.$el` references for this view using the
+ // given `el`. `el` can be a CSS selector or an HTML string, a jQuery
+ // context or an element. Subclasses can override this to utilize an
+ // alternative DOM manipulation API and are only required to set the
+ // `this.el` property.
+ _setElement: function(el) {
+ this.$el = el instanceof Backbone.$ ? el : Backbone.$(el);
+ this.el = this.$el[0];
+ },
- // The cornerstone, an `each` implementation, aka `forEach`.
- // Handles raw objects in addition to array-likes. Treats all
- // sparse array-likes as if they were dense.
- _.each = _.forEach = function(obj, iteratee, context) {
- iteratee = optimizeCb(iteratee, context);
- var i, length;
- if (isArrayLike(obj)) {
- for (i = 0, length = obj.length; i < length; i++) {
- iteratee(obj[i], i, obj);
- }
- } else {
- var keys = _.keys(obj);
- for (i = 0, length = keys.length; i < length; i++) {
- iteratee(obj[keys[i]], keys[i], obj);
+ // Set callbacks, where `this.events` is a hash of
+ //
+ // *{"event selector": "callback"}*
+ //
+ // {
+ // 'mousedown .title': 'edit',
+ // 'click .button': 'save',
+ // 'click .open': function(e) { ... }
+ // }
+ //
+ // pairs. Callbacks will be bound to the view, with `this` set properly.
+ // Uses event delegation for efficiency.
+ // Omitting the selector binds the event to `this.el`.
+ delegateEvents: function(events) {
+ events || (events = _.result(this, 'events'));
+ if (!events) return this;
+ this.undelegateEvents();
+ for (var key in events) {
+ var method = events[key];
+ if (!_.isFunction(method)) method = this[method];
+ if (!method) continue;
+ var match = key.match(delegateEventSplitter);
+ this.delegate(match[1], match[2], _.bind(method, this));
}
- }
- return obj;
- };
+ return this;
+ },
- // Return the results of applying the iteratee to each element.
- _.map = _.collect = function(obj, iteratee, context) {
- iteratee = cb(iteratee, context);
- var keys = !isArrayLike(obj) && _.keys(obj),
- length = (keys || obj).length,
- results = Array(length);
- for (var index = 0; index < length; index++) {
- var currentKey = keys ? keys[index] : index;
- results[index] = iteratee(obj[currentKey], currentKey, obj);
- }
- return results;
- };
+ // Add a single event listener to the view's element (or a child element
+ // using `selector`). This only works for delegate-able events: not `focus`,
+ // `blur`, and not `change`, `submit`, and `reset` in Internet Explorer.
+ delegate: function(eventName, selector, listener) {
+ this.$el.on(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
- // Create a reducing function iterating left or right.
- function createReduce(dir) {
- // Optimized iterator function as using arguments.length
- // in the main function will deoptimize the, see #1991.
- function iterator(obj, iteratee, memo, keys, index, length) {
- for (; index >= 0 && index < length; index += dir) {
- var currentKey = keys ? keys[index] : index;
- memo = iteratee(memo, obj[currentKey], currentKey, obj);
- }
- return memo;
- }
+ // Clears all callbacks previously bound to the view by `delegateEvents`.
+ // You usually don't need to use this, but may wish to if you have multiple
+ // Backbone views attached to the same DOM element.
+ undelegateEvents: function() {
+ if (this.$el) this.$el.off('.delegateEvents' + this.cid);
+ return this;
+ },
- return function(obj, iteratee, memo, context) {
- iteratee = optimizeCb(iteratee, context, 4);
- var keys = !isArrayLike(obj) && _.keys(obj),
- length = (keys || obj).length,
- index = dir > 0 ? 0 : length - 1;
- // Determine the initial value if none is provided.
- if (arguments.length < 3) {
- memo = obj[keys ? keys[index] : index];
- index += dir;
- }
- return iterator(obj, iteratee, memo, keys, index, length);
- };
- }
+ // A finer-grained `undelegateEvents` for removing a single delegated event.
+ // `selector` and `listener` are both optional.
+ undelegate: function(eventName, selector, listener) {
+ this.$el.off(eventName + '.delegateEvents' + this.cid, selector, listener);
+ return this;
+ },
- // **Reduce** builds up a single result from a list of values, aka `inject`,
- // or `foldl`.
- _.reduce = _.foldl = _.inject = createReduce(1);
+ // Produces a DOM element to be assigned to your view. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _createElement: function(tagName) {
+ return document.createElement(tagName);
+ },
- // The right-associative version of reduce, also known as `foldr`.
- _.reduceRight = _.foldr = createReduce(-1);
+ // Ensure that the View has a DOM element to render into.
+ // If `this.el` is a string, pass it through `$()`, take the first
+ // matching element, and re-assign it to `el`. Otherwise, create
+ // an element from the `id`, `className` and `tagName` properties.
+ _ensureElement: function() {
+ if (!this.el) {
+ var attrs = _.extend({}, _.result(this, 'attributes'));
+ if (this.id) attrs.id = _.result(this, 'id');
+ if (this.className) attrs['class'] = _.result(this, 'className');
+ this.setElement(this._createElement(_.result(this, 'tagName')));
+ this._setAttributes(attrs);
+ } else {
+ this.setElement(_.result(this, 'el'));
+ }
+ },
- // Return the first value which passes a truth test. Aliased as `detect`.
- _.find = _.detect = function(obj, predicate, context) {
- var key;
- if (isArrayLike(obj)) {
- key = _.findIndex(obj, predicate, context);
- } else {
- key = _.findKey(obj, predicate, context);
+ // Set attributes from a hash on this view's element. Exposed for
+ // subclasses using an alternative DOM manipulation API.
+ _setAttributes: function(attributes) {
+ this.$el.attr(attributes);
}
- if (key !== void 0 && key !== -1) return obj[key];
- };
- // Return all the elements that pass a truth test.
- // Aliased as `select`.
- _.filter = _.select = function(obj, predicate, context) {
- var results = [];
- predicate = cb(predicate, context);
- _.each(obj, function(value, index, list) {
- if (predicate(value, index, list)) results.push(value);
+ });
+
+ // Backbone.sync
+ // -------------
+
+ // Override this function to change the manner in which Backbone persists
+ // models to the server. You will be passed the type of request, and the
+ // model in question. By default, makes a RESTful Ajax request
+ // to the model's `url()`. Some possible customizations could be:
+ //
+ // * Use `setTimeout` to batch rapid-fire updates into a single request.
+ // * Send up the models as XML instead of JSON.
+ // * Persist models via WebSockets instead of Ajax.
+ //
+ // Turn on `Backbone.emulateHTTP` in order to send `PUT` and `DELETE` requests
+ // as `POST`, with a `_method` parameter containing the true HTTP method,
+ // as well as all requests with the body as `application/x-www-form-urlencoded`
+ // instead of `application/json` with the model in a param named `model`.
+ // Useful when interfacing with server-side languages like **PHP** that make
+ // it difficult to read the body of `PUT` requests.
+ Backbone.sync = function(method, model, options) {
+ var type = methodMap[method];
+
+ // Default options, unless specified.
+ _.defaults(options || (options = {}), {
+ emulateHTTP: Backbone.emulateHTTP,
+ emulateJSON: Backbone.emulateJSON
});
- return results;
- };
- // Return all the elements for which a truth test fails.
- _.reject = function(obj, predicate, context) {
- return _.filter(obj, _.negate(cb(predicate)), context);
- };
+ // Default JSON-request options.
+ var params = {type: type, dataType: 'json'};
- // Determine whether all of the elements match a truth test.
- // Aliased as `all`.
- _.every = _.all = function(obj, predicate, context) {
- predicate = cb(predicate, context);
- var keys = !isArrayLike(obj) && _.keys(obj),
- length = (keys || obj).length;
- for (var index = 0; index < length; index++) {
- var currentKey = keys ? keys[index] : index;
- if (!predicate(obj[currentKey], currentKey, obj)) return false;
+ // Ensure that we have a URL.
+ if (!options.url) {
+ params.url = _.result(model, 'url') || urlError();
}
- return true;
- };
- // Determine if at least one element in the object matches a truth test.
- // Aliased as `any`.
- _.some = _.any = function(obj, predicate, context) {
- predicate = cb(predicate, context);
- var keys = !isArrayLike(obj) && _.keys(obj),
- length = (keys || obj).length;
- for (var index = 0; index < length; index++) {
- var currentKey = keys ? keys[index] : index;
- if (predicate(obj[currentKey], currentKey, obj)) return true;
+ // Ensure that we have the appropriate request data.
+ if (options.data == null && model && (method === 'create' || method === 'update' || method === 'patch')) {
+ params.contentType = 'application/json';
+ params.data = JSON.stringify(options.attrs || model.toJSON(options));
}
- return false;
- };
- // Determine if the array or object contains a given item (using `===`).
- // Aliased as `includes` and `include`.
- _.contains = _.includes = _.include = function(obj, item, fromIndex, guard) {
- if (!isArrayLike(obj)) obj = _.values(obj);
- if (typeof fromIndex != 'number' || guard) fromIndex = 0;
- return _.indexOf(obj, item, fromIndex) >= 0;
- };
+ // For older servers, emulate JSON by encoding the request into an HTML-form.
+ if (options.emulateJSON) {
+ params.contentType = 'application/x-www-form-urlencoded';
+ params.data = params.data ? {model: params.data} : {};
+ }
- // Invoke a method (with arguments) on every item in a collection.
- _.invoke = function(obj, method) {
- var args = slice.call(arguments, 2);
- var isFunc = _.isFunction(method);
- return _.map(obj, function(value) {
- var func = isFunc ? method : value[method];
- return func == null ? func : func.apply(value, args);
- });
- };
+ // For older servers, emulate HTTP by mimicking the HTTP method with `_method`
+ // And an `X-HTTP-Method-Override` header.
+ if (options.emulateHTTP && (type === 'PUT' || type === 'DELETE' || type === 'PATCH')) {
+ params.type = 'POST';
+ if (options.emulateJSON) params.data._method = type;
+ var beforeSend = options.beforeSend;
+ options.beforeSend = function(xhr) {
+ xhr.setRequestHeader('X-HTTP-Method-Override', type);
+ if (beforeSend) return beforeSend.apply(this, arguments);
+ };
+ }
- // Convenience version of a common use case of `map`: fetching a property.
- _.pluck = function(obj, key) {
- return _.map(obj, _.property(key));
+ // Don't process data on a non-GET request.
+ if (params.type !== 'GET' && !options.emulateJSON) {
+ params.processData = false;
+ }
+
+ // Pass along `textStatus` and `errorThrown` from jQuery.
+ var error = options.error;
+ options.error = function(xhr, textStatus, errorThrown) {
+ options.textStatus = textStatus;
+ options.errorThrown = errorThrown;
+ if (error) error.call(options.context, xhr, textStatus, errorThrown);
+ };
+
+ // Make the request, allowing the user to override any Ajax options.
+ var xhr = options.xhr = Backbone.ajax(_.extend(params, options));
+ model.trigger('request', model, xhr, options);
+ return xhr;
};
- // Convenience version of a common use case of `filter`: selecting only objects
- // containing specific `key:value` pairs.
- _.where = function(obj, attrs) {
- return _.filter(obj, _.matcher(attrs));
+ // Map from CRUD to HTTP for our default `Backbone.sync` implementation.
+ var methodMap = {
+ 'create': 'POST',
+ 'update': 'PUT',
+ 'patch': 'PATCH',
+ 'delete': 'DELETE',
+ 'read': 'GET'
};
- // Convenience version of a common use case of `find`: getting the first object
- // containing specific `key:value` pairs.
- _.findWhere = function(obj, attrs) {
- return _.find(obj, _.matcher(attrs));
+ // Set the default implementation of `Backbone.ajax` to proxy through to `$`.
+ // Override this if you'd like to use a different library.
+ Backbone.ajax = function() {
+ return Backbone.$.ajax.apply(Backbone.$, arguments);
};
- // Return the maximum element (or element-based computation).
- _.max = function(obj, iteratee, context) {
- var result = -Infinity, lastComputed = -Infinity,
- value, computed;
- if (iteratee == null && obj != null) {
- obj = isArrayLike(obj) ? obj : _.values(obj);
- for (var i = 0, length = obj.length; i < length; i++) {
- value = obj[i];
- if (value > result) {
- result = value;
- }
- }
- } else {
- iteratee = cb(iteratee, context);
- _.each(obj, function(value, index, list) {
- computed = iteratee(value, index, list);
- if (computed > lastComputed || computed === -Infinity && result === -Infinity) {
- result = value;
- lastComputed = computed;
- }
- });
- }
- return result;
+ // Backbone.Router
+ // ---------------
+
+ // Routers map faux-URLs to actions, and fire events when routes are
+ // matched. Creating a new one sets its `routes` hash, if not set statically.
+ var Router = Backbone.Router = function(options) {
+ options || (options = {});
+ if (options.routes) this.routes = options.routes;
+ this._bindRoutes();
+ this.initialize.apply(this, arguments);
};
- // Return the minimum element (or element-based computation).
- _.min = function(obj, iteratee, context) {
- var result = Infinity, lastComputed = Infinity,
- value, computed;
- if (iteratee == null && obj != null) {
- obj = isArrayLike(obj) ? obj : _.values(obj);
- for (var i = 0, length = obj.length; i < length; i++) {
- value = obj[i];
- if (value < result) {
- result = value;
- }
+ // Cached regular expressions for matching named param parts and splatted
+ // parts of route strings.
+ var optionalParam = /\((.*?)\)/g;
+ var namedParam = /(\(\?)?:\w+/g;
+ var splatParam = /\*\w+/g;
+ var escapeRegExp = /[\-{}\[\]+?.,\\\^$|#\s]/g;
+
+ // Set up all inheritable **Backbone.Router** properties and methods.
+ _.extend(Router.prototype, Events, {
+
+ // Initialize is an empty function by default. Override it with your own
+ // initialization logic.
+ initialize: function(){},
+
+ // Manually bind a single named route to a callback. For example:
+ //
+ // this.route('search/:query/p:num', 'search', function(query, num) {
+ // ...
+ // });
+ //
+ route: function(route, name, callback) {
+ if (!_.isRegExp(route)) route = this._routeToRegExp(route);
+ if (_.isFunction(name)) {
+ callback = name;
+ name = '';
}
- } else {
- iteratee = cb(iteratee, context);
- _.each(obj, function(value, index, list) {
- computed = iteratee(value, index, list);
- if (computed < lastComputed || computed === Infinity && result === Infinity) {
- result = value;
- lastComputed = computed;
+ if (!callback) callback = this[name];
+ var router = this;
+ Backbone.history.route(route, function(fragment) {
+ var args = router._extractParameters(route, fragment);
+ if (router.execute(callback, args, name) !== false) {
+ router.trigger.apply(router, ['route:' + name].concat(args));
+ router.trigger('route', name, args);
+ Backbone.history.trigger('route', router, name, args);
}
});
- }
- return result;
- };
+ return this;
+ },
- // Shuffle a collection, using the modern version of the
- // [Fisher-Yates shuffle](http://en.wikipedia.org/wiki/Fisher–Yates_shuffle).
- _.shuffle = function(obj) {
- var set = isArrayLike(obj) ? obj : _.values(obj);
- var length = set.length;
- var shuffled = Array(length);
- for (var index = 0, rand; index < length; index++) {
- rand = _.random(0, index);
- if (rand !== index) shuffled[index] = shuffled[rand];
- shuffled[rand] = set[index];
- }
- return shuffled;
- };
+ // Execute a route handler with the provided parameters. This is an
+ // excellent place to do pre-route setup or post-route cleanup.
+ execute: function(callback, args, name) {
+ if (callback) callback.apply(this, args);
+ },
- // Sample **n** random values from a collection.
- // If **n** is not specified, returns a single random element.
- // The internal `guard` argument allows it to work with `map`.
- _.sample = function(obj, n, guard) {
- if (n == null || guard) {
- if (!isArrayLike(obj)) obj = _.values(obj);
- return obj[_.random(obj.length - 1)];
- }
- return _.shuffle(obj).slice(0, Math.max(0, n));
- };
+ // Simple proxy to `Backbone.history` to save a fragment into the history.
+ navigate: function(fragment, options) {
+ Backbone.history.navigate(fragment, options);
+ return this;
+ },
- // Sort the object's values by a criterion produced by an iteratee.
- _.sortBy = function(obj, iteratee, context) {
- iteratee = cb(iteratee, context);
- return _.pluck(_.map(obj, function(value, index, list) {
- return {
- value: value,
- index: index,
- criteria: iteratee(value, index, list)
- };
- }).sort(function(left, right) {
- var a = left.criteria;
- var b = right.criteria;
- if (a !== b) {
- if (a > b || a === void 0) return 1;
- if (a < b || b === void 0) return -1;
+ // Bind all defined routes to `Backbone.history`. We have to reverse the
+ // order of the routes here to support behavior where the most general
+ // routes can be defined at the bottom of the route map.
+ _bindRoutes: function() {
+ if (!this.routes) return;
+ this.routes = _.result(this, 'routes');
+ var route, routes = _.keys(this.routes);
+ while ((route = routes.pop()) != null) {
+ this.route(route, this.routes[route]);
}
- return left.index - right.index;
- }), 'value');
- };
+ },
- // An internal function used for aggregate "group by" operations.
- var group = function(behavior) {
- return function(obj, iteratee, context) {
- var result = {};
- iteratee = cb(iteratee, context);
- _.each(obj, function(value, index) {
- var key = iteratee(value, index, obj);
- behavior(result, value, key);
+ // Convert a route string into a regular expression, suitable for matching
+ // against the current location hash.
+ _routeToRegExp: function(route) {
+ route = route.replace(escapeRegExp, '\\$&')
+ .replace(optionalParam, '(?:$1)?')
+ .replace(namedParam, function(match, optional) {
+ return optional ? match : '([^/?]+)';
+ })
+ .replace(splatParam, '([^?]*?)');
+ return new RegExp('^' + route + '(?:\\?([\\s\\S]*))?$');
+ },
+
+ // Given a route, and a URL fragment that it matches, return the array of
+ // extracted decoded parameters. Empty or unmatched parameters will be
+ // treated as `null` to normalize cross-browser behavior.
+ _extractParameters: function(route, fragment) {
+ var params = route.exec(fragment).slice(1);
+ return _.map(params, function(param, i) {
+ // Don't decode the search params.
+ if (i === params.length - 1) return param || null;
+ return param ? decodeURIComponent(param) : null;
});
- return result;
- };
- };
+ }
- // Groups the object's values by a criterion. Pass either a string attribute
- // to group by, or a function that returns the criterion.
- _.groupBy = group(function(result, value, key) {
- if (_.has(result, key)) result[key].push(value); else result[key] = [value];
});
- // Indexes the object's values by a criterion, similar to `groupBy`, but for
- // when you know that your index values will be unique.
- _.indexBy = group(function(result, value, key) {
- result[key] = value;
- });
+ // Backbone.History
+ // ----------------
- // Counts instances of an object that group by a certain criterion. Pass
- // either a string attribute to count by, or a function that returns the
- // criterion.
- _.countBy = group(function(result, value, key) {
- if (_.has(result, key)) result[key]++; else result[key] = 1;
- });
+ // Handles cross-browser history management, based on either
+ // [pushState](http://diveintohtml5.info/history.html) and real URLs, or
+ // [onhashchange](https://developer.mozilla.org/en-US/docs/DOM/window.onhashchange)
+ // and URL fragments. If the browser supports neither (old IE, natch),
+ // falls back to polling.
+ var History = Backbone.History = function() {
+ this.handlers = [];
+ this.checkUrl = _.bind(this.checkUrl, this);
- // Safely create a real, live array from anything iterable.
- _.toArray = function(obj) {
- if (!obj) return [];
- if (_.isArray(obj)) return slice.call(obj);
- if (isArrayLike(obj)) return _.map(obj, _.identity);
- return _.values(obj);
+ // Ensure that `History` can be used outside of the browser.
+ if (typeof window !== 'undefined') {
+ this.location = window.location;
+ this.history = window.history;
+ }
};
- // Return the number of elements in an object.
- _.size = function(obj) {
- if (obj == null) return 0;
- return isArrayLike(obj) ? obj.length : _.keys(obj).length;
- };
+ // Cached regex for stripping a leading hash/slash and trailing space.
+ var routeStripper = /^[#\/]|\s+$/g;
- // Split a collection into two arrays: one whose elements all satisfy the given
- // predicate, and one whose elements all do not satisfy the predicate.
- _.partition = function(obj, predicate, context) {
- predicate = cb(predicate, context);
- var pass = [], fail = [];
- _.each(obj, function(value, key, obj) {
- (predicate(value, key, obj) ? pass : fail).push(value);
- });
- return [pass, fail];
- };
+ // Cached regex for stripping leading and trailing slashes.
+ var rootStripper = /^\/+|\/+$/g;
- // Array Functions
- // ---------------
+ // Cached regex for stripping urls of hash.
+ var pathStripper = /#.*$/;
- // Get the first element of an array. Passing **n** will return the first N
- // values in the array. Aliased as `head` and `take`. The **guard** check
- // allows it to work with `_.map`.
- _.first = _.head = _.take = function(array, n, guard) {
- if (array == null) return void 0;
- if (n == null || guard) return array[0];
- return _.initial(array, array.length - n);
- };
+ // Has the history handling already been started?
+ History.started = false;
- // Returns everything but the last entry of the array. Especially useful on
- // the arguments object. Passing **n** will return all the values in
- // the array, excluding the last N.
- _.initial = function(array, n, guard) {
- return slice.call(array, 0, Math.max(0, array.length - (n == null || guard ? 1 : n)));
- };
+ // Set up all inheritable **Backbone.History** properties and methods.
+ _.extend(History.prototype, Events, {
- // Get the last element of an array. Passing **n** will return the last N
- // values in the array.
- _.last = function(array, n, guard) {
- if (array == null) return void 0;
- if (n == null || guard) return array[array.length - 1];
- return _.rest(array, Math.max(0, array.length - n));
- };
+ // The default interval to poll for hash changes, if necessary, is
+ // twenty times a second.
+ interval: 50,
- // Returns everything but the first entry of the array. Aliased as `tail` and `drop`.
- // Especially useful on the arguments object. Passing an **n** will return
- // the rest N values in the array.
- _.rest = _.tail = _.drop = function(array, n, guard) {
- return slice.call(array, n == null || guard ? 1 : n);
- };
+ // Are we at the app root?
+ atRoot: function() {
+ var path = this.location.pathname.replace(/[^\/]$/, '$&/');
+ return path === this.root && !this.getSearch();
+ },
- // Trim out all falsy values from an array.
- _.compact = function(array) {
- return _.filter(array, _.identity);
- };
+ // Does the pathname match the root?
+ matchRoot: function() {
+ var path = this.decodeFragment(this.location.pathname);
+ var rootPath = path.slice(0, this.root.length - 1) + '/';
+ return rootPath === this.root;
+ },
- // Internal implementation of a recursive `flatten` function.
- var flatten = function(input, shallow, strict, startIndex) {
- var output = [], idx = 0;
- for (var i = startIndex || 0, length = getLength(input); i < length; i++) {
- var value = input[i];
- if (isArrayLike(value) && (_.isArray(value) || _.isArguments(value))) {
- //flatten current level of array or arguments object
- if (!shallow) value = flatten(value, shallow, strict);
- var j = 0, len = value.length;
- output.length += len;
- while (j < len) {
- output[idx++] = value[j++];
- }
- } else if (!strict) {
- output[idx++] = value;
- }
- }
- return output;
- };
+ // Unicode characters in `location.pathname` are percent encoded so they're
+ // decoded for comparison. `%25` should not be decoded since it may be part
+ // of an encoded parameter.
+ decodeFragment: function(fragment) {
+ return decodeURI(fragment.replace(/%25/g, '%2525'));
+ },
- // Flatten out an array, either recursively (by default), or just one level.
- _.flatten = function(array, shallow) {
- return flatten(array, shallow, false);
- };
+ // In IE6, the hash fragment and search params are incorrect if the
+ // fragment contains `?`.
+ getSearch: function() {
+ var match = this.location.href.replace(/#.*/, '').match(/\?.+/);
+ return match ? match[0] : '';
+ },
- // Return a version of the array that does not contain the specified value(s).
- _.without = function(array) {
- return _.difference(array, slice.call(arguments, 1));
- };
+ // Gets the true hash value. Cannot use location.hash directly due to bug
+ // in Firefox where location.hash will always be decoded.
+ getHash: function(window) {
+ var match = (window || this).location.href.match(/#(.*)$/);
+ return match ? match[1] : '';
+ },
- // Produce a duplicate-free version of the array. If the array has already
- // been sorted, you have the option of using a faster algorithm.
- // Aliased as `unique`.
- _.uniq = _.unique = function(array, isSorted, iteratee, context) {
- if (!_.isBoolean(isSorted)) {
- context = iteratee;
- iteratee = isSorted;
- isSorted = false;
- }
- if (iteratee != null) iteratee = cb(iteratee, context);
- var result = [];
- var seen = [];
- for (var i = 0, length = getLength(array); i < length; i++) {
- var value = array[i],
- computed = iteratee ? iteratee(value, i, array) : value;
- if (isSorted) {
- if (!i || seen !== computed) result.push(value);
- seen = computed;
- } else if (iteratee) {
- if (!_.contains(seen, computed)) {
- seen.push(computed);
- result.push(value);
+ // Get the pathname and search params, without the root.
+ getPath: function() {
+ var path = this.decodeFragment(
+ this.location.pathname + this.getSearch()
+ ).slice(this.root.length - 1);
+ return path.charAt(0) === '/' ? path.slice(1) : path;
+ },
+
+ // Get the cross-browser normalized URL fragment from the path or hash.
+ getFragment: function(fragment) {
+ if (fragment == null) {
+ if (this._usePushState || !this._wantsHashChange) {
+ fragment = this.getPath();
+ } else {
+ fragment = this.getHash();
}
- } else if (!_.contains(result, value)) {
- result.push(value);
}
- }
- return result;
- };
+ return fragment.replace(routeStripper, '');
+ },
- // Produce an array that contains the union: each distinct element from all of
- // the passed-in arrays.
- _.union = function() {
- return _.uniq(flatten(arguments, true, true));
- };
+ // Start the hash change handling, returning `true` if the current URL matches
+ // an existing route, and `false` otherwise.
+ start: function(options) {
+ if (History.started) throw new Error('Backbone.history has already been started');
+ History.started = true;
- // Produce an array that contains every item shared between all the
- // passed-in arrays.
- _.intersection = function(array) {
- var result = [];
- var argsLength = arguments.length;
- for (var i = 0, length = getLength(array); i < length; i++) {
- var item = array[i];
- if (_.contains(result, item)) continue;
- for (var j = 1; j < argsLength; j++) {
- if (!_.contains(arguments[j], item)) break;
- }
- if (j === argsLength) result.push(item);
- }
- return result;
- };
+ // Figure out the initial configuration. Do we need an iframe?
+ // Is pushState desired ... is it available?
+ this.options = _.extend({root: '/'}, this.options, options);
+ this.root = this.options.root;
+ this._wantsHashChange = this.options.hashChange !== false;
+ this._hasHashChange = 'onhashchange' in window && (document.documentMode === void 0 || document.documentMode > 7);
+ this._useHashChange = this._wantsHashChange && this._hasHashChange;
+ this._wantsPushState = !!this.options.pushState;
+ this._hasPushState = !!(this.history && this.history.pushState);
+ this._usePushState = this._wantsPushState && this._hasPushState;
+ this.fragment = this.getFragment();
- // Take the difference between one array and a number of other arrays.
- // Only the elements present in just the first array will remain.
- _.difference = function(array) {
- var rest = flatten(arguments, true, true, 1);
- return _.filter(array, function(value){
- return !_.contains(rest, value);
- });
- };
+ // Normalize root to always include a leading and trailing slash.
+ this.root = ('/' + this.root + '/').replace(rootStripper, '/');
- // Zip together multiple lists into a single array -- elements that share
- // an index go together.
- _.zip = function() {
- return _.unzip(arguments);
- };
+ // Transition from hashChange to pushState or vice versa if both are
+ // requested.
+ if (this._wantsHashChange && this._wantsPushState) {
- // Complement of _.zip. Unzip accepts an array of arrays and groups
- // each array's elements on shared indices
- _.unzip = function(array) {
- var length = array && _.max(array, getLength).length || 0;
- var result = Array(length);
+ // If we've started off with a route from a `pushState`-enabled
+ // browser, but we're currently in a browser that doesn't support it...
+ if (!this._hasPushState && !this.atRoot()) {
+ var rootPath = this.root.slice(0, -1) || '/';
+ this.location.replace(rootPath + '#' + this.getPath());
+ // Return immediately as browser will do redirect to new url
+ return true;
- for (var index = 0; index < length; index++) {
- result[index] = _.pluck(array, index);
- }
- return result;
- };
+ // Or if we've started out with a hash-based route, but we're currently
+ // in a browser where it could be `pushState`-based instead...
+ } else if (this._hasPushState && this.atRoot()) {
+ this.navigate(this.getHash(), {replace: true});
+ }
- // Converts lists into objects. Pass either a single array of `[key, value]`
- // pairs, or two parallel arrays of the same length -- one of keys, and one of
- // the corresponding values.
- _.object = function(list, values) {
- var result = {};
- for (var i = 0, length = getLength(list); i < length; i++) {
- if (values) {
- result[list[i]] = values[i];
- } else {
- result[list[i][0]] = list[i][1];
}
- }
- return result;
- };
- // Generator function to create the findIndex and findLastIndex functions
- function createPredicateIndexFinder(dir) {
- return function(array, predicate, context) {
- predicate = cb(predicate, context);
- var length = getLength(array);
- var index = dir > 0 ? 0 : length - 1;
- for (; index >= 0 && index < length; index += dir) {
- if (predicate(array[index], index, array)) return index;
+ // Proxy an iframe to handle location events if the browser doesn't
+ // support the `hashchange` event, HTML5 history, or the user wants
+ // `hashChange` but not `pushState`.
+ if (!this._hasHashChange && this._wantsHashChange && !this._usePushState) {
+ this.iframe = document.createElement('iframe');
+ this.iframe.src = 'javascript:0';
+ this.iframe.style.display = 'none';
+ this.iframe.tabIndex = -1;
+ var body = document.body;
+ // Using `appendChild` will throw on IE < 9 if the document is not ready.
+ var iWindow = body.insertBefore(this.iframe, body.firstChild).contentWindow;
+ iWindow.document.open();
+ iWindow.document.close();
+ iWindow.location.hash = '#' + this.fragment;
}
- return -1;
- };
- }
-
- // Returns the first index on an array-like that passes a predicate test
- _.findIndex = createPredicateIndexFinder(1);
- _.findLastIndex = createPredicateIndexFinder(-1);
- // Use a comparator function to figure out the smallest index at which
- // an object should be inserted so as to maintain order. Uses binary search.
- _.sortedIndex = function(array, obj, iteratee, context) {
- iteratee = cb(iteratee, context, 1);
- var value = iteratee(obj);
- var low = 0, high = getLength(array);
- while (low < high) {
- var mid = Math.floor((low + high) / 2);
- if (iteratee(array[mid]) < value) low = mid + 1; else high = mid;
- }
- return low;
- };
+ // Add a cross-platform `addEventListener` shim for older browsers.
+ var addEventListener = window.addEventListener || function(eventName, listener) {
+ return attachEvent('on' + eventName, listener);
+ };
- // Generator function to create the indexOf and lastIndexOf functions
- function createIndexFinder(dir, predicateFind, sortedIndex) {
- return function(array, item, idx) {
- var i = 0, length = getLength(array);
- if (typeof idx == 'number') {
- if (dir > 0) {
- i = idx >= 0 ? idx : Math.max(idx + length, i);
- } else {
- length = idx >= 0 ? Math.min(idx + 1, length) : idx + length + 1;
- }
- } else if (sortedIndex && idx && length) {
- idx = sortedIndex(array, item);
- return array[idx] === item ? idx : -1;
+ // Depending on whether we're using pushState or hashes, and whether
+ // 'onhashchange' is supported, determine how we check the URL state.
+ if (this._usePushState) {
+ addEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ addEventListener('hashchange', this.checkUrl, false);
+ } else if (this._wantsHashChange) {
+ this._checkUrlInterval = setInterval(this.checkUrl, this.interval);
}
- if (item !== item) {
- idx = predicateFind(slice.call(array, i, length), _.isNaN);
- return idx >= 0 ? idx + i : -1;
+
+ if (!this.options.silent) return this.loadUrl();
+ },
+
+ // Disable Backbone.history, perhaps temporarily. Not useful in a real app,
+ // but possibly useful for unit testing Routers.
+ stop: function() {
+ // Add a cross-platform `removeEventListener` shim for older browsers.
+ var removeEventListener = window.removeEventListener || function(eventName, listener) {
+ return detachEvent('on' + eventName, listener);
+ };
+
+ // Remove window listeners.
+ if (this._usePushState) {
+ removeEventListener('popstate', this.checkUrl, false);
+ } else if (this._useHashChange && !this.iframe) {
+ removeEventListener('hashchange', this.checkUrl, false);
}
- for (idx = dir > 0 ? i : length - 1; idx >= 0 && idx < length; idx += dir) {
- if (array[idx] === item) return idx;
+
+ // Clean up the iframe if necessary.
+ if (this.iframe) {
+ document.body.removeChild(this.iframe);
+ this.iframe = null;
}
- return -1;
- };
- }
- // Return the position of the first occurrence of an item in an array,
- // or -1 if the item is not included in the array.
- // If the array is large and already in sort order, pass `true`
- // for **isSorted** to use binary search.
- _.indexOf = createIndexFinder(1, _.findIndex, _.sortedIndex);
- _.lastIndexOf = createIndexFinder(-1, _.findLastIndex);
+ // Some environments will throw when clearing an undefined interval.
+ if (this._checkUrlInterval) clearInterval(this._checkUrlInterval);
+ History.started = false;
+ },
- // Generate an integer Array containing an arithmetic progression. A port of
- // the native Python `range()` function. See
- // [the Python documentation](http://docs.python.org/library/functions.html#range).
- _.range = function(start, stop, step) {
- if (stop == null) {
- stop = start || 0;
- start = 0;
- }
- step = step || 1;
+ // Add a route to be tested when the fragment changes. Routes added later
+ // may override previous routes.
+ route: function(route, callback) {
+ this.handlers.unshift({route: route, callback: callback});
+ },
- var length = Math.max(Math.ceil((stop - start) / step), 0);
- var range = Array(length);
+ // Checks the current URL to see if it has changed, and if it has,
+ // calls `loadUrl`, normalizing across the hidden iframe.
+ checkUrl: function(e) {
+ var current = this.getFragment();
- for (var idx = 0; idx < length; idx++, start += step) {
- range[idx] = start;
- }
+ // If the user pressed the back button, the iframe's hash will have
+ // changed and we should use that for comparison.
+ if (current === this.fragment && this.iframe) {
+ current = this.getHash(this.iframe.contentWindow);
+ }
- return range;
- };
+ if (current === this.fragment) return false;
+ if (this.iframe) this.navigate(current);
+ this.loadUrl();
+ },
- // Function (ahem) Functions
- // ------------------
+ // Attempt to load the current URL fragment. If a route succeeds with a
+ // match, returns `true`. If no defined routes matches the fragment,
+ // returns `false`.
+ loadUrl: function(fragment) {
+ // If the root doesn't match, no routes can match either.
+ if (!this.matchRoot()) return false;
+ fragment = this.fragment = this.getFragment(fragment);
+ return _.some(this.handlers, function(handler) {
+ if (handler.route.test(fragment)) {
+ handler.callback(fragment);
+ return true;
+ }
+ });
+ },
- // Determines whether to execute a function as a constructor
- // or a normal function with the provided arguments
- var executeBound = function(sourceFunc, boundFunc, context, callingContext, args) {
- if (!(callingContext instanceof boundFunc)) return sourceFunc.apply(context, args);
- var self = baseCreate(sourceFunc.prototype);
- var result = sourceFunc.apply(self, args);
- if (_.isObject(result)) return result;
- return self;
- };
+ // Save a fragment into the hash history, or replace the URL state if the
+ // 'replace' option is passed. You are responsible for properly URL-encoding
+ // the fragment in advance.
+ //
+ // The options object can contain `trigger: true` if you wish to have the
+ // route callback be fired (not usually desirable), or `replace: true`, if
+ // you wish to modify the current URL without adding an entry to the history.
+ navigate: function(fragment, options) {
+ if (!History.started) return false;
+ if (!options || options === true) options = {trigger: !!options};
- // Create a function bound to a given object (assigning `this`, and arguments,
- // optionally). Delegates to **ECMAScript 5**'s native `Function.bind` if
- // available.
- _.bind = function(func, context) {
- if (nativeBind && func.bind === nativeBind) return nativeBind.apply(func, slice.call(arguments, 1));
- if (!_.isFunction(func)) throw new TypeError('Bind must be called on a function');
- var args = slice.call(arguments, 2);
- var bound = function() {
- return executeBound(func, bound, context, this, args.concat(slice.call(arguments)));
- };
- return bound;
- };
+ // Normalize the fragment.
+ fragment = this.getFragment(fragment || '');
- // Partially apply a function by creating a version that has had some of its
- // arguments pre-filled, without changing its dynamic `this` context. _ acts
- // as a placeholder, allowing any combination of arguments to be pre-filled.
- _.partial = function(func) {
- var boundArgs = slice.call(arguments, 1);
- var bound = function() {
- var position = 0, length = boundArgs.length;
- var args = Array(length);
- for (var i = 0; i < length; i++) {
- args[i] = boundArgs[i] === _ ? arguments[position++] : boundArgs[i];
+ // Don't include a trailing slash on the root.
+ var rootPath = this.root;
+ if (fragment === '' || fragment.charAt(0) === '?') {
+ rootPath = rootPath.slice(0, -1) || '/';
}
- while (position < arguments.length) args.push(arguments[position++]);
- return executeBound(func, bound, this, this, args);
- };
- return bound;
- };
+ var url = rootPath + fragment;
- // Bind a number of an object's methods to that object. Remaining arguments
- // are the method names to be bound. Useful for ensuring that all callbacks
- // defined on an object belong to it.
- _.bindAll = function(obj) {
- var i, length = arguments.length, key;
- if (length <= 1) throw new Error('bindAll must be passed function names');
- for (i = 1; i < length; i++) {
- key = arguments[i];
- obj[key] = _.bind(obj[key], obj);
- }
- return obj;
- };
+ // Strip the hash and decode for matching.
+ fragment = this.decodeFragment(fragment.replace(pathStripper, ''));
- // Memoize an expensive function by storing its results.
- _.memoize = function(func, hasher) {
- var memoize = function(key) {
- var cache = memoize.cache;
- var address = '' + (hasher ? hasher.apply(this, arguments) : key);
- if (!_.has(cache, address)) cache[address] = func.apply(this, arguments);
- return cache[address];
- };
- memoize.cache = {};
- return memoize;
- };
+ if (this.fragment === fragment) return;
+ this.fragment = fragment;
- // Delays a function for the given number of milliseconds, and then calls
- // it with the arguments supplied.
- _.delay = function(func, wait) {
- var args = slice.call(arguments, 2);
- return setTimeout(function(){
- return func.apply(null, args);
- }, wait);
- };
+ // If pushState is available, we use it to set the fragment as a real URL.
+ if (this._usePushState) {
+ this.history[options.replace ? 'replaceState' : 'pushState']({}, document.title, url);
- // Defers a function, scheduling it to run after the current call stack has
- // cleared.
- _.defer = _.partial(_.delay, _, 1);
+ // If hash changes haven't been explicitly disabled, update the hash
+ // fragment to store history.
+ } else if (this._wantsHashChange) {
+ this._updateHash(this.location, fragment, options.replace);
+ if (this.iframe && fragment !== this.getHash(this.iframe.contentWindow)) {
+ var iWindow = this.iframe.contentWindow;
- // Returns a function, that, when invoked, will only be triggered at most once
- // during a given window of time. Normally, the throttled function will run
- // as much as it can, without ever going more than once per `wait` duration;
- // but if you'd like to disable the execution on the leading edge, pass
- // `{leading: false}`. To disable execution on the trailing edge, ditto.
- _.throttle = function(func, wait, options) {
- var context, args, result;
- var timeout = null;
- var previous = 0;
- if (!options) options = {};
- var later = function() {
- previous = options.leading === false ? 0 : _.now();
- timeout = null;
- result = func.apply(context, args);
- if (!timeout) context = args = null;
- };
- return function() {
- var now = _.now();
- if (!previous && options.leading === false) previous = now;
- var remaining = wait - (now - previous);
- context = this;
- args = arguments;
- if (remaining <= 0 || remaining > wait) {
- if (timeout) {
- clearTimeout(timeout);
- timeout = null;
- }
- previous = now;
- result = func.apply(context, args);
- if (!timeout) context = args = null;
- } else if (!timeout && options.trailing !== false) {
- timeout = setTimeout(later, remaining);
- }
- return result;
- };
- };
+ // Opening and closing the iframe tricks IE7 and earlier to push a
+ // history entry on hash-tag change. When replace is true, we don't
+ // want this.
+ if (!options.replace) {
+ iWindow.document.open();
+ iWindow.document.close();
+ }
- // Returns a function, that, as long as it continues to be invoked, will not
- // be triggered. The function will be called after it stops being called for
- // N milliseconds. If `immediate` is passed, trigger the function on the
- // leading edge, instead of the trailing.
- _.debounce = function(func, wait, immediate) {
- var timeout, args, context, timestamp, result;
+ this._updateHash(iWindow.location, fragment, options.replace);
+ }
- var later = function() {
- var last = _.now() - timestamp;
+ // If you've told us that you explicitly don't want fallback hashchange-
+ // based history, then `navigate` becomes a page refresh.
+ } else {
+ return this.location.assign(url);
+ }
+ if (options.trigger) return this.loadUrl(fragment);
+ },
- if (last < wait && last >= 0) {
- timeout = setTimeout(later, wait - last);
+ // Update the hash location, either replacing the current entry, or adding
+ // a new one to the browser history.
+ _updateHash: function(location, fragment, replace) {
+ if (replace) {
+ var href = location.href.replace(/(javascript:|#).*$/, '');
+ location.replace(href + '#' + fragment);
} else {
- timeout = null;
- if (!immediate) {
- result = func.apply(context, args);
- if (!timeout) context = args = null;
- }
+ // Some browsers require that `hash` contains a leading #.
+ location.hash = '#' + fragment;
}
- };
+ }
- return function() {
- context = this;
- args = arguments;
- timestamp = _.now();
- var callNow = immediate && !timeout;
- if (!timeout) timeout = setTimeout(later, wait);
- if (callNow) {
- result = func.apply(context, args);
- context = args = null;
- }
+ });
- return result;
- };
- };
+ // Create the default Backbone.history.
+ Backbone.history = new History;
- // Returns the first function passed as an argument to the second,
- // allowing you to adjust arguments, run code before and after, and
- // conditionally execute the original function.
- _.wrap = function(func, wrapper) {
- return _.partial(wrapper, func);
- };
+ // Helpers
+ // -------
- // Returns a negated version of the passed-in predicate.
- _.negate = function(predicate) {
- return function() {
- return !predicate.apply(this, arguments);
- };
- };
+ // Helper function to correctly set up the prototype chain for subclasses.
+ // Similar to `goog.inherits`, but uses a hash of prototype properties and
+ // class properties to be extended.
+ var extend = function(protoProps, staticProps) {
+ var parent = this;
+ var child;
- // Returns a function that is the composition of a list of functions, each
- // consuming the return value of the function that follows.
- _.compose = function() {
- var args = arguments;
- var start = args.length - 1;
- return function() {
- var i = start;
- var result = args[start].apply(this, arguments);
- while (i--) result = args[i].call(this, result);
- return result;
- };
+ // The constructor function for the new subclass is either defined by you
+ // (the "constructor" property in your `extend` definition), or defaulted
+ // by us to simply call the parent constructor.
+ if (protoProps && _.has(protoProps, 'constructor')) {
+ child = protoProps.constructor;
+ } else {
+ child = function(){ return parent.apply(this, arguments); };
+ }
+
+ // Add static properties to the constructor function, if supplied.
+ _.extend(child, parent, staticProps);
+
+ // Set the prototype chain to inherit from `parent`, without calling
+ // `parent`'s constructor function and add the prototype properties.
+ child.prototype = _.create(parent.prototype, protoProps);
+ child.prototype.constructor = child;
+
+ // Set a convenience property in case the parent's prototype is needed
+ // later.
+ child.__super__ = parent.prototype;
+
+ return child;
};
- // Returns a function that will only be executed on and after the Nth call.
- _.after = function(times, func) {
- return function() {
- if (--times < 1) {
- return func.apply(this, arguments);
- }
- };
+ // Set up inheritance for the model, collection, router, view and history.
+ Model.extend = Collection.extend = Router.extend = View.extend = History.extend = extend;
+
+ // Throw an error when a URL is needed, and none is supplied.
+ var urlError = function() {
+ throw new Error('A "url" property or function must be specified');
};
- // Returns a function that will only be executed up to (but not including) the Nth call.
- _.before = function(times, func) {
- var memo;
- return function() {
- if (--times > 0) {
- memo = func.apply(this, arguments);
- }
- if (times <= 1) func = null;
- return memo;
+ // Wrap an optional error callback with a fallback error event.
+ var wrapError = function(model, options) {
+ var error = options.error;
+ options.error = function(resp) {
+ if (error) error.call(options.context, model, resp, options);
+ model.trigger('error', model, resp, options);
};
};
- // Returns a function that will be executed at most one time, no matter how
- // often you call it. Useful for lazy initialization.
- _.once = _.partial(_.before, 2);
+ return Backbone;
+});
- // Object Functions
- // ----------------
+/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../webpack/buildin/global.js */ "./node_modules/webpack/buildin/global.js")))
- // Keys in IE < 9 that won't be iterated by `for key in ...` and thus missed.
- var hasEnumBug = !{toString: null}.propertyIsEnumerable('toString');
- var nonEnumerableProps = ['valueOf', 'isPrototypeOf', 'toString',
- 'propertyIsEnumerable', 'hasOwnProperty', 'toLocaleString'];
+/***/ }),
- function collectNonEnumProps(obj, keys) {
- var nonEnumIdx = nonEnumerableProps.length;
- var constructor = obj.constructor;
- var proto = (_.isFunction(constructor) && constructor.prototype) || ObjProto;
+/***/ "./node_modules/cash-dom/dist/cash.js":
+/*!********************************************!*\
+ !*** ./node_modules/cash-dom/dist/cash.js ***!
+ \********************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Constructor is a special case.
- var prop = 'constructor';
- if (_.has(obj, prop) && !_.contains(keys, prop)) keys.push(prop);
+"use strict";
+var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;
- while (nonEnumIdx--) {
- prop = nonEnumerableProps[nonEnumIdx];
- if (prop in obj && obj[prop] !== proto[prop] && !_.contains(keys, prop)) {
- keys.push(prop);
- }
- }
- }
+/*! cash-dom 1.3.7, https://github.com/kenwheeler/cash @license MIT */
+;(function (root, factory) {
+ if (true) {
+ !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
+ __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
+ (__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
+ __WEBPACK_AMD_DEFINE_FACTORY__),
+ __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
+ } else {}
+})(this, function () {
+ var doc = document, win = window, ArrayProto = Array.prototype, slice = ArrayProto.slice, filter = ArrayProto.filter, push = ArrayProto.push;
- // Retrieve the names of an object's own properties.
- // Delegates to **ECMAScript 5**'s native `Object.keys`
- _.keys = function(obj) {
- if (!_.isObject(obj)) return [];
- if (nativeKeys) return nativeKeys(obj);
- var keys = [];
- for (var key in obj) if (_.has(obj, key)) keys.push(key);
- // Ahem, IE < 9.
- if (hasEnumBug) collectNonEnumProps(obj, keys);
- return keys;
+ var noop = function () {}, isFunction = function (item) {
+ // @see https://crbug.com/568448
+ return typeof item === typeof noop && item.call;
+ }, isString = function (item) {
+ return typeof item === typeof "";
};
- // Retrieve all the property names of an object.
- _.allKeys = function(obj) {
- if (!_.isObject(obj)) return [];
- var keys = [];
- for (var key in obj) keys.push(key);
- // Ahem, IE < 9.
- if (hasEnumBug) collectNonEnumProps(obj, keys);
- return keys;
- };
+ var idMatch = /^#[\w-]*$/, classMatch = /^\.[\w-]*$/, htmlMatch = /<.+>/, singlet = /^\w+$/;
- // Retrieve the values of an object's properties.
- _.values = function(obj) {
- var keys = _.keys(obj);
- var length = keys.length;
- var values = Array(length);
- for (var i = 0; i < length; i++) {
- values[i] = obj[keys[i]];
+ function find(selector, context) {
+ context = context || doc;
+ var elems = (classMatch.test(selector) ? context.getElementsByClassName(selector.slice(1)) : singlet.test(selector) ? context.getElementsByTagName(selector) : context.querySelectorAll(selector));
+ return elems;
+ }
+
+ var frag;
+ function parseHTML(str) {
+ if (!frag) {
+ frag = doc.implementation.createHTMLDocument(null);
+ var base = frag.createElement("base");
+ base.href = doc.location.href;
+ frag.head.appendChild(base);
}
- return values;
- };
- // Returns the results of applying the iteratee to each element of the object
- // In contrast to _.map it returns an object
- _.mapObject = function(obj, iteratee, context) {
- iteratee = cb(iteratee, context);
- var keys = _.keys(obj),
- length = keys.length,
- results = {},
- currentKey;
- for (var index = 0; index < length; index++) {
- currentKey = keys[index];
- results[currentKey] = iteratee(obj[currentKey], currentKey, obj);
- }
- return results;
- };
+ frag.body.innerHTML = str;
- // Convert an object into a list of `[key, value]` pairs.
- _.pairs = function(obj) {
- var keys = _.keys(obj);
- var length = keys.length;
- var pairs = Array(length);
- for (var i = 0; i < length; i++) {
- pairs[i] = [keys[i], obj[keys[i]]];
+ return frag.body.childNodes;
+ }
+
+ function onReady(fn) {
+ if (doc.readyState !== "loading") {
+ setTimeout(fn);
+ } else {
+ doc.addEventListener("DOMContentLoaded", fn);
}
- return pairs;
- };
+ }
- // Invert the keys and values of an object. The values must be serializable.
- _.invert = function(obj) {
- var result = {};
- var keys = _.keys(obj);
- for (var i = 0, length = keys.length; i < length; i++) {
- result[obj[keys[i]]] = keys[i];
+ function Init(selector, context) {
+ if (!selector) {
+ return this;
}
- return result;
- };
- // Return a sorted list of the function names available on the object.
- // Aliased as `methods`
- _.functions = _.methods = function(obj) {
- var names = [];
- for (var key in obj) {
- if (_.isFunction(obj[key])) names.push(key);
+ // If already a cash collection, don't do any further processing
+ if (selector.cash && selector !== win) {
+ return selector;
}
- return names.sort();
- };
- // Extend a given object with all the properties in passed-in object(s).
- _.extend = createAssigner(_.allKeys);
+ var elems = selector, i = 0, length;
- // Assigns a given object with all the own properties in the passed-in object(s)
- // (https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/assign)
- _.extendOwn = _.assign = createAssigner(_.keys);
+ if (isString(selector)) {
+ elems = (idMatch.test(selector) ?
+ // If an ID use the faster getElementById check
+ doc.getElementById(selector.slice(1)) : htmlMatch.test(selector) ?
+ // If HTML, parse it into real elements
+ parseHTML(selector) :
+ // else use `find`
+ find(selector, context));
- // Returns the first key on an object that passes a predicate test
- _.findKey = function(obj, predicate, context) {
- predicate = cb(predicate, context);
- var keys = _.keys(obj), key;
- for (var i = 0, length = keys.length; i < length; i++) {
- key = keys[i];
- if (predicate(obj[key], key, obj)) return key;
+ // If function, use as shortcut for DOM ready
+ } else if (isFunction(selector)) {
+ onReady(selector);return this;
}
- };
- // Return a copy of the object only containing the whitelisted properties.
- _.pick = function(object, oiteratee, context) {
- var result = {}, obj = object, iteratee, keys;
- if (obj == null) return result;
- if (_.isFunction(oiteratee)) {
- keys = _.allKeys(obj);
- iteratee = optimizeCb(oiteratee, context);
- } else {
- keys = flatten(arguments, false, false, 1);
- iteratee = function(value, key, obj) { return key in obj; };
- obj = Object(obj);
- }
- for (var i = 0, length = keys.length; i < length; i++) {
- var key = keys[i];
- var value = obj[key];
- if (iteratee(value, key, obj)) result[key] = value;
+ if (!elems) {
+ return this;
}
- return result;
- };
- // Return a copy of the object without the blacklisted properties.
- _.omit = function(obj, iteratee, context) {
- if (_.isFunction(iteratee)) {
- iteratee = _.negate(iteratee);
+ // If a single DOM element is passed in or received via ID, return the single element
+ if (elems.nodeType || elems === win) {
+ this[0] = elems;
+ this.length = 1;
} else {
- var keys = _.map(flatten(arguments, false, false, 1), String);
- iteratee = function(value, key) {
- return !_.contains(keys, key);
- };
+ // Treat like an array and loop through each item.
+ length = this.length = elems.length;
+ for (; i < length; i++) {
+ this[i] = elems[i];
+ }
}
- return _.pick(obj, iteratee, context);
- };
- // Fill in a given object with default properties.
- _.defaults = createAssigner(_.allKeys, true);
+ return this;
+ }
- // Creates an object that inherits from the given prototype object.
- // If additional properties are provided then they will be added to the
- // created object.
- _.create = function(prototype, props) {
- var result = baseCreate(prototype);
- if (props) _.extendOwn(result, props);
- return result;
- };
+ function cash(selector, context) {
+ return new Init(selector, context);
+ }
- // Create a (shallow-cloned) duplicate of an object.
- _.clone = function(obj) {
- if (!_.isObject(obj)) return obj;
- return _.isArray(obj) ? obj.slice() : _.extend({}, obj);
+ var fn = cash.fn = cash.prototype = Init.prototype = { // jshint ignore:line
+ cash: true,
+ length: 0,
+ push: push,
+ splice: ArrayProto.splice,
+ map: ArrayProto.map,
+ init: Init
};
- // Invokes interceptor with the obj, and then returns obj.
- // The primary purpose of this method is to "tap into" a method chain, in
- // order to perform operations on intermediate results within the chain.
- _.tap = function(obj, interceptor) {
- interceptor(obj);
- return obj;
- };
+ Object.defineProperty(fn, "constructor", { value: cash });
- // Returns whether an object has a given set of `key:value` pairs.
- _.isMatch = function(object, attrs) {
- var keys = _.keys(attrs), length = keys.length;
- if (object == null) return !length;
- var obj = Object(object);
- for (var i = 0; i < length; i++) {
- var key = keys[i];
- if (attrs[key] !== obj[key] || !(key in obj)) return false;
- }
- return true;
- };
+ cash.parseHTML = parseHTML;
+ cash.noop = noop;
+ cash.isFunction = isFunction;
+ cash.isString = isString;
+ cash.extend = fn.extend = function (target) {
+ target = target || {};
- // Internal recursive comparison function for `isEqual`.
- var eq = function(a, b, aStack, bStack) {
- // Identical objects are equal. `0 === -0`, but they aren't identical.
- // See the [Harmony `egal` proposal](http://wiki.ecmascript.org/doku.php?id=harmony:egal).
- if (a === b) return a !== 0 || 1 / a === 1 / b;
- // A strict comparison is necessary because `null == undefined`.
- if (a == null || b == null) return a === b;
- // Unwrap any wrapped objects.
- if (a instanceof _) a = a._wrapped;
- if (b instanceof _) b = b._wrapped;
- // Compare `[[Class]]` names.
- var className = toString.call(a);
- if (className !== toString.call(b)) return false;
- switch (className) {
- // Strings, numbers, regular expressions, dates, and booleans are compared by value.
- case '[object RegExp]':
- // RegExps are coerced to strings for comparison (Note: '' + /a/i === '/a/i')
- case '[object String]':
- // Primitives and their corresponding object wrappers are equivalent; thus, `"5"` is
- // equivalent to `new String("5")`.
- return '' + a === '' + b;
- case '[object Number]':
- // `NaN`s are equivalent, but non-reflexive.
- // Object(NaN) is equivalent to NaN
- if (+a !== +a) return +b !== +b;
- // An `egal` comparison is performed for other numeric values.
- return +a === 0 ? 1 / +a === 1 / b : +a === +b;
- case '[object Date]':
- case '[object Boolean]':
- // Coerce dates and booleans to numeric primitive values. Dates are compared by their
- // millisecond representations. Note that invalid dates with millisecond representations
- // of `NaN` are not equivalent.
- return +a === +b;
- }
+ var args = slice.call(arguments), length = args.length, i = 1;
- var areArrays = className === '[object Array]';
- if (!areArrays) {
- if (typeof a != 'object' || typeof b != 'object') return false;
+ if (args.length === 1) {
+ target = this;
+ i = 0;
+ }
- // Objects with different constructors are not equivalent, but `Object`s or `Array`s
- // from different frames are.
- var aCtor = a.constructor, bCtor = b.constructor;
- if (aCtor !== bCtor && !(_.isFunction(aCtor) && aCtor instanceof aCtor &&
- _.isFunction(bCtor) && bCtor instanceof bCtor)
- && ('constructor' in a && 'constructor' in b)) {
- return false;
+ for (; i < length; i++) {
+ if (!args[i]) {
+ continue;
+ }
+ for (var key in args[i]) {
+ if (args[i].hasOwnProperty(key)) {
+ target[key] = args[i][key];
+ }
}
}
- // Assume equality for cyclic structures. The algorithm for detecting cyclic
- // structures is adapted from ES 5.1 section 15.12.3, abstract operation `JO`.
- // Initializing stack of traversed objects.
- // It's done here since we only need them for objects and arrays comparison.
- aStack = aStack || [];
- bStack = bStack || [];
- var length = aStack.length;
- while (length--) {
- // Linear search. Performance is inversely proportional to the number of
- // unique nested structures.
- if (aStack[length] === a) return bStack[length] === b;
- }
+ return target;
+ };
- // Add the first object to the stack of traversed objects.
- aStack.push(a);
- bStack.push(b);
+ function each(collection, callback) {
+ var l = collection.length, i = 0;
- // Recursively compare objects and arrays.
- if (areArrays) {
- // Compare array lengths to determine if a deep comparison is necessary.
- length = a.length;
- if (length !== b.length) return false;
- // Deep compare the contents, ignoring non-numeric properties.
- while (length--) {
- if (!eq(a[length], b[length], aStack, bStack)) return false;
- }
- } else {
- // Deep compare objects.
- var keys = _.keys(a), key;
- length = keys.length;
- // Ensure that both objects contain the same number of properties before comparing deep equality.
- if (_.keys(b).length !== length) return false;
- while (length--) {
- // Deep compare each member
- key = keys[length];
- if (!(_.has(b, key) && eq(a[key], b[key], aStack, bStack))) return false;
+ for (; i < l; i++) {
+ if (callback.call(collection[i], collection[i], i, collection) === false) {
+ break;
}
}
- // Remove the first object from the stack of traversed objects.
- aStack.pop();
- bStack.pop();
- return true;
- };
+ }
- // Perform a deep comparison to check if two objects are equal.
- _.isEqual = function(a, b) {
- return eq(a, b);
- };
+ function matches(el, selector) {
+ var m = el && (el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector || el.oMatchesSelector);
+ return !!m && m.call(el, selector);
+ }
- // Is a given array, string, or object empty?
- // An "empty" object has no enumerable own-properties.
- _.isEmpty = function(obj) {
- if (obj == null) return true;
- if (isArrayLike(obj) && (_.isArray(obj) || _.isString(obj) || _.isArguments(obj))) return obj.length === 0;
- return _.keys(obj).length === 0;
- };
+ function getCompareFunction(selector) {
+ return (
+ /* Use browser's `matches` function if string */
+ isString(selector) ? matches :
+ /* Match a cash element */
+ selector.cash ? function (el) {
+ return selector.is(el);
+ } :
+ /* Direct comparison */
+ function (el, selector) {
+ return el === selector;
+ });
+ }
- // Is a given value a DOM element?
- _.isElement = function(obj) {
- return !!(obj && obj.nodeType === 1);
- };
+ function unique(collection) {
+ return cash(slice.call(collection).filter(function (item, index, self) {
+ return self.indexOf(item) === index;
+ }));
+ }
- // Is a given value an array?
- // Delegates to ECMA5's native Array.isArray
- _.isArray = nativeIsArray || function(obj) {
- return toString.call(obj) === '[object Array]';
- };
+ cash.extend({
+ merge: function (first, second) {
+ var len = +second.length, i = first.length, j = 0;
- // Is a given variable an object?
- _.isObject = function(obj) {
- var type = typeof obj;
- return type === 'function' || type === 'object' && !!obj;
- };
+ for (; j < len; i++, j++) {
+ first[i] = second[j];
+ }
+
+ first.length = i;
+ return first;
+ },
+
+ each: each,
+ matches: matches,
+ unique: unique,
+ isArray: Array.isArray,
+ isNumeric: function (n) {
+ return !isNaN(parseFloat(n)) && isFinite(n);
+ }
- // Add some isType methods: isArguments, isFunction, isString, isNumber, isDate, isRegExp, isError.
- _.each(['Arguments', 'Function', 'String', 'Number', 'Date', 'RegExp', 'Error'], function(name) {
- _['is' + name] = function(obj) {
- return toString.call(obj) === '[object ' + name + ']';
- };
});
- // Define a fallback version of the method in browsers (ahem, IE < 9), where
- // there isn't any inspectable "Arguments" type.
- if (!_.isArguments(arguments)) {
- _.isArguments = function(obj) {
- return _.has(obj, 'callee');
- };
- }
+ var uid = cash.uid = "_cash" + Date.now();
- // Optimize `isFunction` if appropriate. Work around some typeof bugs in old v8,
- // IE 11 (#1621), and in Safari 8 (#1929).
- if (typeof /./ != 'function' && typeof Int8Array != 'object') {
- _.isFunction = function(obj) {
- return typeof obj == 'function' || false;
- };
+ function getDataCache(node) {
+ return (node[uid] = node[uid] || {});
}
- // Is a given object a finite number?
- _.isFinite = function(obj) {
- return isFinite(obj) && !isNaN(parseFloat(obj));
- };
+ function setData(node, key, value) {
+ return (getDataCache(node)[key] = value);
+ }
- // Is the given value `NaN`? (NaN is the only number which does not equal itself).
- _.isNaN = function(obj) {
- return _.isNumber(obj) && obj !== +obj;
- };
+ function getData(node, key) {
+ var c = getDataCache(node);
+ if (c[key] === undefined) {
+ c[key] = node.dataset ? node.dataset[key] : cash(node).attr("data-" + key);
+ }
+ return c[key];
+ }
- // Is a given value a boolean?
- _.isBoolean = function(obj) {
- return obj === true || obj === false || toString.call(obj) === '[object Boolean]';
- };
-
- // Is a given value equal to null?
- _.isNull = function(obj) {
- return obj === null;
- };
-
- // Is a given variable undefined?
- _.isUndefined = function(obj) {
- return obj === void 0;
- };
-
- // Shortcut function for checking if an object has a given property directly
- // on itself (in other words, not on a prototype).
- _.has = function(obj, key) {
- return obj != null && hasOwnProperty.call(obj, key);
- };
-
- // Utility Functions
- // -----------------
+ function removeData(node, key) {
+ var c = getDataCache(node);
+ if (c) {
+ delete c[key];
+ } else if (node.dataset) {
+ delete node.dataset[key];
+ } else {
+ cash(node).removeAttr("data-" + name);
+ }
+ }
- // Run Underscore.js in *noConflict* mode, returning the `_` variable to its
- // previous owner. Returns a reference to the Underscore object.
- _.noConflict = function() {
- root._ = previousUnderscore;
- return this;
- };
+ fn.extend({
+ data: function (name, value) {
+ if (isString(name)) {
+ return (value === undefined ? getData(this[0], name) : this.each(function (v) {
+ return setData(v, name, value);
+ }));
+ }
- // Keep the identity function around for default iteratees.
- _.identity = function(value) {
- return value;
- };
+ for (var key in name) {
+ this.data(key, name[key]);
+ }
- // Predicate-generating functions. Often useful outside of Underscore.
- _.constant = function(value) {
- return function() {
- return value;
- };
- };
+ return this;
+ },
- _.noop = function(){};
+ removeData: function (key) {
+ return this.each(function (v) {
+ return removeData(v, key);
+ });
+ }
- _.property = property;
+ });
- // Generates a function for a given object that returns a given property.
- _.propertyOf = function(obj) {
- return obj == null ? function(){} : function(key) {
- return obj[key];
- };
- };
+ var notWhiteMatch = /\S+/g;
- // Returns a predicate for checking whether an object has a given set of
- // `key:value` pairs.
- _.matcher = _.matches = function(attrs) {
- attrs = _.extendOwn({}, attrs);
- return function(obj) {
- return _.isMatch(obj, attrs);
- };
- };
+ function getClasses(c) {
+ return isString(c) && c.match(notWhiteMatch);
+ }
- // Run a function **n** times.
- _.times = function(n, iteratee, context) {
- var accum = Array(Math.max(0, n));
- iteratee = optimizeCb(iteratee, context, 1);
- for (var i = 0; i < n; i++) accum[i] = iteratee(i);
- return accum;
- };
+ function hasClass(v, c) {
+ return (v.classList ? v.classList.contains(c) : new RegExp("(^| )" + c + "( |$)", "gi").test(v.className));
+ }
- // Return a random integer between min and max (inclusive).
- _.random = function(min, max) {
- if (max == null) {
- max = min;
- min = 0;
+ function addClass(v, c) {
+ if (v.classList) {
+ v.classList.add(c);
+ } else if (!hasClass(v, c)) {
+ v.className += " " + c;
}
- return min + Math.floor(Math.random() * (max - min + 1));
- };
-
- // A (possibly faster) way to get the current timestamp as an integer.
- _.now = Date.now || function() {
- return new Date().getTime();
- };
-
- // List of HTML entities for escaping.
- var escapeMap = {
- '&': '&',
- '<': '<',
- '>': '>',
- '"': '"',
- "'": ''',
- '`': '`'
- };
- var unescapeMap = _.invert(escapeMap);
-
- // Functions for escaping and unescaping strings to/from HTML interpolation.
- var createEscaper = function(map) {
- var escaper = function(match) {
- return map[match];
- };
- // Regexes for identifying a key that needs to be escaped
- var source = '(?:' + _.keys(map).join('|') + ')';
- var testRegexp = RegExp(source);
- var replaceRegexp = RegExp(source, 'g');
- return function(string) {
- string = string == null ? '' : '' + string;
- return testRegexp.test(string) ? string.replace(replaceRegexp, escaper) : string;
- };
- };
- _.escape = createEscaper(escapeMap);
- _.unescape = createEscaper(unescapeMap);
+ }
- // If the value of the named `property` is a function then invoke it with the
- // `object` as context; otherwise, return it.
- _.result = function(object, property, fallback) {
- var value = object == null ? void 0 : object[property];
- if (value === void 0) {
- value = fallback;
+ function removeClass(v, c) {
+ if (v.classList) {
+ v.classList.remove(c);
+ } else {
+ v.className = v.className.replace(c, "");
}
- return _.isFunction(value) ? value.call(object) : value;
- };
-
- // Generate a unique integer id (unique within the entire client session).
- // Useful for temporary DOM ids.
- var idCounter = 0;
- _.uniqueId = function(prefix) {
- var id = ++idCounter + '';
- return prefix ? prefix + id : id;
- };
+ }
- // By default, Underscore uses ERB-style template delimiters, change the
- // following template settings to use alternative delimiters.
- _.templateSettings = {
- evaluate : /<%([\s\S]+?)%>/g,
- interpolate : /<%=([\s\S]+?)%>/g,
- escape : /<%-([\s\S]+?)%>/g
- };
+ fn.extend({
+ addClass: function (c) {
+ var classes = getClasses(c);
- // When customizing `templateSettings`, if you don't want to define an
- // interpolation, evaluation or escaping regex, we need one that is
- // guaranteed not to match.
- var noMatch = /(.)^/;
+ return (classes ? this.each(function (v) {
+ each(classes, function (c) {
+ addClass(v, c);
+ });
+ }) : this);
+ },
- // Certain characters need to be escaped so that they can be put into a
- // string literal.
- var escapes = {
- "'": "'",
- '\\': '\\',
- '\r': 'r',
- '\n': 'n',
- '\u2028': 'u2028',
- '\u2029': 'u2029'
- };
+ attr: function (name, value) {
+ if (!name) {
+ return undefined;
+ }
- var escaper = /\\|'|\r|\n|\u2028|\u2029/g;
+ if (isString(name)) {
+ if (value === undefined) {
+ return this[0] ? this[0].getAttribute ? this[0].getAttribute(name) : this[0][name] : undefined;
+ }
- var escapeChar = function(match) {
- return '\\' + escapes[match];
- };
+ return this.each(function (v) {
+ if (v.setAttribute) {
+ v.setAttribute(name, value);
+ } else {
+ v[name] = value;
+ }
+ });
+ }
- // JavaScript micro-templating, similar to John Resig's implementation.
- // Underscore templating handles arbitrary delimiters, preserves whitespace,
- // and correctly escapes quotes within interpolated code.
- // NB: `oldSettings` only exists for backwards compatibility.
- _.template = function(text, settings, oldSettings) {
- if (!settings && oldSettings) settings = oldSettings;
- settings = _.defaults({}, settings, _.templateSettings);
+ for (var key in name) {
+ this.attr(key, name[key]);
+ }
- // Combine delimiters into one regular expression via alternation.
- var matcher = RegExp([
- (settings.escape || noMatch).source,
- (settings.interpolate || noMatch).source,
- (settings.evaluate || noMatch).source
- ].join('|') + '|$', 'g');
+ return this;
+ },
- // Compile the template source, escaping string literals appropriately.
- var index = 0;
- var source = "__p+='";
- text.replace(matcher, function(match, escape, interpolate, evaluate, offset) {
- source += text.slice(index, offset).replace(escaper, escapeChar);
- index = offset + match.length;
+ hasClass: function (c) {
+ var check = false, classes = getClasses(c);
+ if (classes && classes.length) {
+ this.each(function (v) {
+ check = hasClass(v, classes[0]);
+ return !check;
+ });
+ }
+ return check;
+ },
- if (escape) {
- source += "'+\n((__t=(" + escape + "))==null?'':_.escape(__t))+\n'";
- } else if (interpolate) {
- source += "'+\n((__t=(" + interpolate + "))==null?'':__t)+\n'";
- } else if (evaluate) {
- source += "';\n" + evaluate + "\n__p+='";
+ prop: function (name, value) {
+ if (isString(name)) {
+ return (value === undefined ? this[0][name] : this.each(function (v) {
+ v[name] = value;
+ }));
}
- // Adobe VMs need the match returned to produce the correct offest.
- return match;
- });
- source += "';\n";
+ for (var key in name) {
+ this.prop(key, name[key]);
+ }
- // If a variable is not specified, place data values in local scope.
- if (!settings.variable) source = 'with(obj||{}){\n' + source + '}\n';
+ return this;
+ },
- source = "var __t,__p='',__j=Array.prototype.join," +
- "print=function(){__p+=__j.call(arguments,'');};\n" +
- source + 'return __p;\n';
+ removeAttr: function (name) {
+ return this.each(function (v) {
+ if (v.removeAttribute) {
+ v.removeAttribute(name);
+ } else {
+ delete v[name];
+ }
+ });
+ },
- try {
- var render = new Function(settings.variable || 'obj', '_', source);
- } catch (e) {
- e.source = source;
- throw e;
- }
-
- var template = function(data) {
- return render.call(this, data, _);
- };
-
- // Provide the compiled source as a convenience for precompilation.
- var argument = settings.variable || 'obj';
- template.source = 'function(' + argument + '){\n' + source + '}';
-
- return template;
- };
+ removeClass: function (c) {
+ if (!arguments.length) {
+ return this.attr("class", "");
+ }
+ var classes = getClasses(c);
+ return (classes ? this.each(function (v) {
+ each(classes, function (c) {
+ removeClass(v, c);
+ });
+ }) : this);
+ },
- // Add a "chain" function. Start chaining a wrapped Underscore object.
- _.chain = function(obj) {
- var instance = _(obj);
- instance._chain = true;
- return instance;
- };
+ removeProp: function (name) {
+ return this.each(function (v) {
+ delete v[name];
+ });
+ },
- // OOP
- // ---------------
- // If Underscore is called as a function, it returns a wrapped object that
- // can be used OO-style. This wrapper holds altered versions of all the
- // underscore functions. Wrapped objects may be chained.
+ toggleClass: function (c, state) {
+ if (state !== undefined) {
+ return this[state ? "addClass" : "removeClass"](c);
+ }
+ var classes = getClasses(c);
+ return (classes ? this.each(function (v) {
+ each(classes, function (c) {
+ if (hasClass(v, c)) {
+ removeClass(v, c);
+ } else {
+ addClass(v, c);
+ }
+ });
+ }) : this);
+ } });
- // Helper function to continue chaining intermediate results.
- var result = function(instance, obj) {
- return instance._chain ? _(obj).chain() : obj;
- };
+ fn.extend({
+ add: function (selector, context) {
+ return unique(cash.merge(this, cash(selector, context)));
+ },
- // Add your own custom functions to the Underscore object.
- _.mixin = function(obj) {
- _.each(_.functions(obj), function(name) {
- var func = _[name] = obj[name];
- _.prototype[name] = function() {
- var args = [this._wrapped];
- push.apply(args, arguments);
- return result(this, func.apply(_, args));
- };
- });
- };
+ each: function (callback) {
+ each(this, callback);
+ return this;
+ },
- // Add all of the Underscore functions to the wrapper object.
- _.mixin(_);
+ eq: function (index) {
+ return cash(this.get(index));
+ },
- // Add all mutator Array functions to the wrapper.
- _.each(['pop', 'push', 'reverse', 'shift', 'sort', 'splice', 'unshift'], function(name) {
- var method = ArrayProto[name];
- _.prototype[name] = function() {
- var obj = this._wrapped;
- method.apply(obj, arguments);
- if ((name === 'shift' || name === 'splice') && obj.length === 0) delete obj[0];
- return result(this, obj);
- };
- });
+ filter: function (selector) {
+ if (!selector) {
+ return this;
+ }
- // Add all accessor Array functions to the wrapper.
- _.each(['concat', 'join', 'slice'], function(name) {
- var method = ArrayProto[name];
- _.prototype[name] = function() {
- return result(this, method.apply(this._wrapped, arguments));
- };
- });
+ var comparator = (isFunction(selector) ? selector : getCompareFunction(selector));
- // Extracts the result from a wrapped and chained object.
- _.prototype.value = function() {
- return this._wrapped;
- };
+ return cash(filter.call(this, function (e) {
+ return comparator(e, selector);
+ }));
+ },
- // Provide unwrapping proxy for some methods used in engine operations
- // such as arithmetic and JSON stringification.
- _.prototype.valueOf = _.prototype.toJSON = _.prototype.value;
+ first: function () {
+ return this.eq(0);
+ },
- _.prototype.toString = function() {
- return '' + this._wrapped;
- };
+ get: function (index) {
+ if (index === undefined) {
+ return slice.call(this);
+ }
+ return (index < 0 ? this[index + this.length] : this[index]);
+ },
- // AMD registration happens at the end for compatibility with AMD loaders
- // that may not enforce next-turn semantics on modules. Even though general
- // practice for AMD registration is to be anonymous, underscore registers
- // as a named module because, like jQuery, it is a base library that is
- // popular enough to be bundled in a third party lib, but not be part of
- // an AMD load request. Those cases could generate an error when an
- // anonymous define() is called outside of a loader request.
- if (true) {
- !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {
- return _;
- }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
- __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
- }
-}.call(this));
+ index: function (elem) {
+ var child = elem ? cash(elem)[0] : this[0], collection = elem ? this : cash(child).parent().children();
+ return slice.call(collection).indexOf(child);
+ },
+ last: function () {
+ return this.eq(-1);
+ }
-/***/ }),
-/* 2 */
-/***/ (function(module, exports, __webpack_require__) {
+ });
-"use strict";
+ var camelCase = (function () {
+ var camelRegex = /(?:^\w|[A-Z]|\b\w)/g, whiteSpace = /[\s-_]+/g;
+ return function (str) {
+ return str.replace(camelRegex, function (letter, index) {
+ return letter[index === 0 ? "toLowerCase" : "toUpperCase"]();
+ }).replace(whiteSpace, "");
+ };
+ }());
+ var getPrefixedProp = (function () {
+ var cache = {}, doc = document, div = doc.createElement("div"), style = div.style;
-Object.defineProperty(exports, "__esModule", {
- value: true
-});
-exports.getUnitFromValue = exports.normalizeFloat = exports.shallowDiff = exports.camelCase = exports.matches = exports.upFirst = exports.off = exports.on = undefined;
+ return function (prop) {
+ prop = camelCase(prop);
+ if (cache[prop]) {
+ return cache[prop];
+ }
-var _underscore = __webpack_require__(1);
+ var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), prefixes = ["webkit", "moz", "ms", "o"], props = (prop + " " + (prefixes).join(ucProp + " ") + ucProp).split(" ");
-var elProt = window.Element.prototype;
-var matches = elProt.matches || elProt.webkitMatchesSelector || elProt.mozMatchesSelector || elProt.msMatchesSelector;
+ each(props, function (p) {
+ if (p in style) {
+ cache[p] = prop = cache[prop] = p;
+ return false;
+ }
+ });
-/**
- * Returns shallow diff between 2 objects
- * @param {Object} objOrig
- * @param {Objec} objNew
- * @return {Object}
- * @example
- * var a = {foo: 'bar', baz: 1, faz: 'sop'};
- * var b = {foo: 'bar', baz: 2, bar: ''};
- * shallowDiff(a, b);
- * // -> {baz: 2, faz: null, bar: ''};
- */
-var shallowDiff = function shallowDiff(objOrig, objNew) {
- var result = {};
- var keysNew = (0, _underscore.keys)(objNew);
+ return cache[prop];
+ };
+ }());
- for (var prop in objOrig) {
- if (objOrig.hasOwnProperty(prop)) {
- var origValue = objOrig[prop];
- var newValue = objNew[prop];
+ cash.prefixedProp = getPrefixedProp;
+ cash.camelCase = camelCase;
- if (keysNew.indexOf(prop) >= 0) {
- if (origValue !== newValue) {
- result[prop] = newValue;
- }
- } else {
- result[prop] = null;
+ fn.extend({
+ css: function (prop, value) {
+ if (isString(prop)) {
+ prop = getPrefixedProp(prop);
+ return (arguments.length > 1 ? this.each(function (v) {
+ return v.style[prop] = value;
+ }) : win.getComputedStyle(this[0])[prop]);
}
- }
- }
- for (var _prop in objNew) {
- if (objNew.hasOwnProperty(_prop)) {
- if ((0, _underscore.isUndefined)(objOrig[_prop])) {
- result[_prop] = objNew[_prop];
+ for (var key in prop) {
+ this.css(key, prop[key]);
}
- }
- }
- return result;
-};
-
-var on = function on(el, ev, fn) {
- ev = ev.split(/\s+/);
- el = el instanceof Array ? el : [el];
+ return this;
+ }
- var _loop = function _loop(i) {
- el.forEach(function (elem) {
- return elem.addEventListener(ev[i], fn);
- });
- };
+ });
- for (var i = 0; i < ev.length; ++i) {
- _loop(i);
+ function compute(el, prop) {
+ return parseInt(win.getComputedStyle(el[0], null)[prop], 10) || 0;
}
-};
-var off = function off(el, ev, fn) {
- ev = ev.split(/\s+/);
- el = el instanceof Array ? el : [el];
+ each(["Width", "Height"], function (v) {
+ var lower = v.toLowerCase();
- var _loop2 = function _loop2(i) {
- el.forEach(function (elem) {
- return elem.removeEventListener(ev[i], fn);
- });
- };
+ fn[lower] = function () {
+ return this[0].getBoundingClientRect()[lower];
+ };
- for (var i = 0; i < ev.length; ++i) {
- _loop2(i);
- }
-};
+ fn["inner" + v] = function () {
+ return this[0]["client" + v];
+ };
-var getUnitFromValue = function getUnitFromValue(value) {
- return value.replace(parseFloat(value), '');
-};
-
-var upFirst = function upFirst(value) {
- return value[0].toUpperCase() + value.toLowerCase().slice(1);
-};
-
-var camelCase = function camelCase(value) {
- var values = value.split('-');
- return values[0].toLowerCase() + values.slice(1).map(upFirst);
-};
-
-var normalizeFloat = function normalizeFloat(value) {
- var step = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
- var valueDef = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 0;
-
- var stepDecimals = 0;
- if (isNaN(value)) return valueDef;
- value = parseFloat(value);
+ fn["outer" + v] = function (margins) {
+ return this[0]["offset" + v] + (margins ? compute(this, "margin" + (v === "Width" ? "Left" : "Top")) + compute(this, "margin" + (v === "Width" ? "Right" : "Bottom")) : 0);
+ };
+ });
- if (Math.floor(value) !== value) {
- var side = step.toString().split('.')[1];
- stepDecimals = side ? side.length : 0;
+ function registerEvent(node, eventName, callback) {
+ var eventCache = getData(node, "_cashEvents") || setData(node, "_cashEvents", {});
+ eventCache[eventName] = eventCache[eventName] || [];
+ eventCache[eventName].push(callback);
+ node.addEventListener(eventName, callback);
}
- return stepDecimals ? parseFloat(value.toFixed(stepDecimals)) : value;
-};
+ function removeEvent(node, eventName, callback) {
+ var events = getData(node, "_cashEvents"), eventCache = (events && events[eventName]), index;
-exports.on = on;
-exports.off = off;
-exports.upFirst = upFirst;
-exports.matches = matches;
-exports.camelCase = camelCase;
-exports.shallowDiff = shallowDiff;
-exports.normalizeFloat = normalizeFloat;
-exports.getUnitFromValue = getUnitFromValue;
+ if (!eventCache) {
+ return;
+ }
-/***/ }),
-/* 3 */
-/***/ (function(module, exports, __webpack_require__) {
+ if (callback) {
+ node.removeEventListener(eventName, callback);
+ index = eventCache.indexOf(callback);
+ if (index >= 0) {
+ eventCache.splice(index, 1);
+ }
+ } else {
+ each(eventCache, function (event) {
+ node.removeEventListener(eventName, event);
+ });
+ eventCache = [];
+ }
+ }
-"use strict";
-/* WEBPACK VAR INJECTION */(function(Backbone) {
+ fn.extend({
+ off: function (eventName, callback) {
+ return this.each(function (v) {
+ return removeEvent(v, eventName, callback);
+ });
+ },
-var _underscore = __webpack_require__(1);
+ on: function (eventName, delegate, callback, runOnce) {
+ // jshint ignore:line
-var ComponentsView = __webpack_require__(50);
+ var originalCallback;
-module.exports = Backbone.View.extend({
- className: function className() {
- return this.getClasses();
- },
- tagName: function tagName() {
- return this.model.get('tagName');
- },
- initialize: function initialize() {
- var opt = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ if (!isString(eventName)) {
+ for (var key in eventName) {
+ this.on(key, delegate, eventName[key]);
+ }
+ return this;
+ }
- var model = this.model;
- var config = opt.config || {};
- this.opts = opt;
- this.config = config;
- this.em = config.em || '';
- this.pfx = config.stylePrefix || '';
- this.ppfx = config.pStylePrefix || '';
- this.attr = model.get('attributes');
- this.classe = this.attr.class || [];
- var $el = this.$el;
- var classes = model.get('classes');
- this.listenTo(model, 'destroy remove', this.remove);
- this.listenTo(model, 'change:style', this.updateStyle);
- this.listenTo(model, 'change:attributes', this.updateAttributes);
- this.listenTo(model, 'change:highlightable', this.updateHighlight);
- this.listenTo(model, 'change:status', this.updateStatus);
- this.listenTo(model, 'change:state', this.updateState);
- this.listenTo(model, 'change:script', this.render);
- this.listenTo(model, 'change', this.handleChange);
- this.listenTo(classes, 'add remove change', this.updateClasses);
- $el.data('model', model);
- $el.data('collection', model.get('components'));
- model.view = this;
- classes.length && this.importClasses();
- this.init();
- },
- remove: function remove() {
- Backbone.View.prototype.remove.apply(this);
- var children = this.childrenView;
- children && children.stopListening();
- },
+ if (isFunction(delegate)) {
+ callback = delegate;
+ delegate = null;
+ }
+ if (eventName === "ready") {
+ onReady(callback);
+ return this;
+ }
- /**
- * Initialize callback
- */
- init: function init() {},
+ if (delegate) {
+ originalCallback = callback;
+ callback = function (e) {
+ var t = e.target;
+ while (!matches(t, delegate)) {
+ if (t === this) {
+ return (t = false);
+ }
+ t = t.parentNode;
+ }
- /**
- * Handle any property change
- * @private
- */
- handleChange: function handleChange() {
- var model = this.model;
- model.emitUpdate();
+ if (t) {
+ originalCallback.call(t, e);
+ }
+ };
+ }
- for (var prop in model.changed) {
- model.emitUpdate(prop);
- }
- },
+ return this.each(function (v) {
+ var finalCallback = callback;
+ if (runOnce) {
+ finalCallback = function () {
+ callback.apply(this, arguments);
+ removeEvent(v, eventName, finalCallback);
+ };
+ }
+ registerEvent(v, eventName, finalCallback);
+ });
+ },
+ one: function (eventName, delegate, callback) {
+ return this.on(eventName, delegate, callback, true);
+ },
- /**
- * Import, if possible, classes inside main container
- * @private
- * */
- importClasses: function importClasses() {
- var clm = this.config.em.get('SelectorManager');
+ ready: onReady,
- if (clm) {
- this.model.get('classes').each(function (m) {
- clm.add(m.get('name'));
+ trigger: function (eventName, data) {
+ var evt = doc.createEvent("HTMLEvents");
+ evt.data = data;
+ evt.initEvent(eventName, true, false);
+ return this.each(function (v) {
+ return v.dispatchEvent(evt);
});
}
- },
-
- /**
- * Fires on state update. If the state is not empty will add a helper class
- * @param {Event} e
- * @private
- * */
- updateState: function updateState(e) {
- var cl = 'hc-state';
- var state = this.model.get('state');
+ });
- if (state) {
- this.$el.addClass(cl);
- } else {
- this.$el.removeClass(cl);
- }
- },
+ function encode(name, value) {
+ return "&" + encodeURIComponent(name) + "=" + encodeURIComponent(value).replace(/%20/g, "+");
+ }
+ function getSelectMultiple_(el) {
+ var values = [];
+ each(el.options, function (o) {
+ if (o.selected) {
+ values.push(o.value);
+ }
+ });
+ return values.length ? values : null;
+ }
- /**
- * Update item on status change
- * @param {Event} e
- * @private
- * */
- updateStatus: function updateStatus(e) {
- var el = this.el;
- var status = this.model.get('status');
- var pfx = this.pfx;
- var ppfx = this.ppfx;
- var selectedCls = pfx + 'selected';
- var selectedParentCls = selectedCls + '-parent';
- var freezedCls = ppfx + 'freezed';
- var actualCls = el.getAttribute('class') || '';
- var cls = '';
+ function getSelectSingle_(el) {
+ var selectedIndex = el.selectedIndex;
+ return selectedIndex >= 0 ? el.options[selectedIndex].value : null;
+ }
- switch (status) {
- case 'selected':
- cls = actualCls + ' ' + selectedCls;
- break;
- case 'selected-parent':
- cls = actualCls + ' ' + selectedParentCls;
- break;
- case 'freezed':
- cls = actualCls + ' ' + freezedCls;
- break;
- default:
- this.$el.removeClass(selectedCls + ' ' + selectedParentCls + ' ' + freezedCls);
+ function getValue(el) {
+ var type = el.type;
+ if (!type) {
+ return null;
}
-
- cls = cls.trim();
-
- if (cls) {
- el.setAttribute('class', cls);
+ switch (type.toLowerCase()) {
+ case "select-one":
+ return getSelectSingle_(el);
+ case "select-multiple":
+ return getSelectMultiple_(el);
+ case "radio":
+ return (el.checked) ? el.value : null;
+ case "checkbox":
+ return (el.checked) ? el.value : null;
+ default:
+ return el.value ? el.value : null;
}
- },
-
-
- /**
- * Update highlight attribute
- * @private
- * */
- updateHighlight: function updateHighlight() {
- var hl = this.model.get('highlightable');
- this.setAttribute('data-highlightable', hl ? 1 : '');
- },
+ }
+ fn.extend({
+ serialize: function () {
+ var query = "";
- /**
- * Update style attribute
- * @private
- * */
- updateStyle: function updateStyle() {
- var em = this.em;
- var model = this.model;
+ each(this[0].elements || this, function (el) {
+ if (el.disabled || el.tagName === "FIELDSET") {
+ return;
+ }
+ var name = el.name;
+ switch (el.type.toLowerCase()) {
+ case "file":
+ case "reset":
+ case "submit":
+ case "button":
+ break;
+ case "select-multiple":
+ var values = getValue(el);
+ if (values !== null) {
+ each(values, function (value) {
+ query += encode(name, value);
+ });
+ }
+ break;
+ default:
+ var value = getValue(el);
+ if (value !== null) {
+ query += encode(name, value);
+ }
+ }
+ });
- if (em && em.get('avoidInlineStyle')) {
- this.el.id = model.getId();
- model.setStyle(model.getStyle());
+ return query.substr(1);
+ },
+
+ val: function (value) {
+ if (value === undefined) {
+ return getValue(this[0]);
+ } else {
+ return this.each(function (v) {
+ return v.value = value;
+ });
+ }
+ }
+
+ });
+
+ function insertElement(el, child, prepend) {
+ if (prepend) {
+ var first = el.childNodes[0];
+ el.insertBefore(child, first);
} else {
- this.setAttribute('style', model.styleToString());
+ el.appendChild(child);
}
- },
+ }
+ function insertContent(parent, child, prepend) {
+ var str = isString(child);
- /**
- * Update classe attribute
- * @private
- * */
- updateClasses: function updateClasses() {
- var str = this.model.get('classes').pluck('name').join(' ');
- this.setAttribute('class', str);
+ if (!str && child.length) {
+ each(child, function (v) {
+ return insertContent(parent, v, prepend);
+ });
+ return;
+ }
- // Regenerate status class
- this.updateStatus();
- },
+ each(parent, str ? function (v) {
+ return v.insertAdjacentHTML(prepend ? "afterbegin" : "beforeend", child);
+ } : function (v, i) {
+ return insertElement(v, (i === 0 ? child : child.cloneNode(true)), prepend);
+ });
+ }
+ fn.extend({
+ after: function (selector) {
+ cash(selector).insertAfter(this);
+ return this;
+ },
- /**
- * Update single attribute
- * @param {[type]} name [description]
- * @param {[type]} value [description]
- */
- setAttribute: function setAttribute(name, value) {
- var el = this.$el;
- value ? el.attr(name, value) : el.removeAttr(name);
- },
+ append: function (content) {
+ insertContent(this, content);
+ return this;
+ },
+ appendTo: function (parent) {
+ insertContent(cash(parent), this);
+ return this;
+ },
- /**
- * Get classes from attributes.
- * This method is called before initialize
- *
- * @return {Array}|null
- * @private
- * */
- getClasses: function getClasses() {
- var attr = this.model.get("attributes"),
- classes = attr['class'] || [];
- classes = (0, _underscore.isArray)(classes) ? classes : [classes];
+ before: function (selector) {
+ cash(selector).insertBefore(this);
+ return this;
+ },
- if (classes.length) {
- return classes.join(' ');
- } else {
- return null;
- }
- },
+ clone: function () {
+ return cash(this.map(function (v) {
+ return v.cloneNode(true);
+ }));
+ },
+ empty: function () {
+ this.html("");
+ return this;
+ },
- /**
- * Update attributes
- * @private
- * */
- updateAttributes: function updateAttributes() {
- var model = this.model;
- var attrs = {};
- var attr = model.get('attributes');
- var src = model.get('src');
+ html: function (content) {
+ if (content === undefined) {
+ return this[0].innerHTML;
+ }
+ var source = (content.nodeType ? content[0].outerHTML : content);
+ return this.each(function (v) {
+ return v.innerHTML = source;
+ });
+ },
- for (var key in attr) {
- attrs[key] = attr[key];
- }
+ insertAfter: function (selector) {
+ var _this = this;
- src && (attrs.src = src);
- this.$el.attr(attrs);
- this.updateHighlight();
- this.updateStyle();
- },
+ cash(selector).each(function (el, i) {
+ var parent = el.parentNode, sibling = el.nextSibling;
+ _this.each(function (v) {
+ parent.insertBefore((i === 0 ? v : v.cloneNode(true)), sibling);
+ });
+ });
- /**
- * Update component content
- * @private
- * */
- updateContent: function updateContent() {
- this.getChildrenContainer().innerHTML = this.model.get('content');
- },
+ return this;
+ },
+ insertBefore: function (selector) {
+ var _this2 = this;
+ cash(selector).each(function (el, i) {
+ var parent = el.parentNode;
+ _this2.each(function (v) {
+ parent.insertBefore((i === 0 ? v : v.cloneNode(true)), el);
+ });
+ });
+ return this;
+ },
- /**
- * Prevent default helper
- * @param {Event} e
- * @private
- */
- prevDef: function prevDef(e) {
- e.preventDefault();
- },
+ prepend: function (content) {
+ insertContent(this, content, true);
+ return this;
+ },
+ prependTo: function (parent) {
+ insertContent(cash(parent), this, true);
+ return this;
+ },
- /**
- * Render component's script
- * @private
- */
- updateScript: function updateScript() {
- if (!this.model.get('script')) {
- return;
- }
+ remove: function () {
+ return this.each(function (v) {
+ return v.parentNode.removeChild(v);
+ });
+ },
- var em = this.em;
- if (em) {
- var canvas = em.get('Canvas');
- canvas.getCanvasView().updateScript(this);
+ text: function (content) {
+ if (content === undefined) {
+ return this[0].textContent;
+ }
+ return this.each(function (v) {
+ return v.textContent = content;
+ });
}
- },
+ });
- /**
- * Return children container
- * Differently from a simple component where children container is the
- * component itself
- *
- *
- *
- * You could have the children container more deeper
- *
- *
- *
- *
- *
- *
- *
- *
- *
- * @return HTMLElement
- * @private
- */
- getChildrenContainer: function getChildrenContainer() {
- var container = this.el;
+ var docEl = doc.documentElement;
- if (typeof this.getChildrenSelector == 'function') {
- container = this.el.querySelector(this.getChildrenSelector());
- } else if (typeof this.getTemplate == 'function') {
- // Need to find deepest first child
- }
+ fn.extend({
+ position: function () {
+ var el = this[0];
+ return {
+ left: el.offsetLeft,
+ top: el.offsetTop
+ };
+ },
- return container;
- },
+ offset: function () {
+ var rect = this[0].getBoundingClientRect();
+ return {
+ top: rect.top + win.pageYOffset - docEl.clientTop,
+ left: rect.left + win.pageXOffset - docEl.clientLeft
+ };
+ },
-
- /**
- * Render children components
- * @private
- */
- renderChildren: function renderChildren() {
- var container = this.getChildrenContainer();
- var view = new ComponentsView({
- collection: this.model.get('components'),
- config: this.config,
- componentTypes: this.opts.componentTypes
- });
-
- view.render(container);
- this.childrenView = view;
- var childNodes = Array.prototype.slice.call(view.el.childNodes);
-
- for (var i = 0, len = childNodes.length; i < len; i++) {
- container.appendChild(childNodes.shift());
- }
-
- // If the children container is not the same as the component
- // (so likely fetched with getChildrenSelector()) is necessary
- // to disable pointer-events for all nested components as they
- // might prevent the component to be selected
- if (container !== this.el) {
- var disableNode = function disableNode(el) {
- var children = Array.prototype.slice.call(el.children);
- children.forEach(function (el) {
- el.style['pointer-events'] = 'none';
- if (container !== el) {
- disableNode(el);
- }
- });
- };
- disableNode(this.el);
+ offsetParent: function () {
+ return cash(this[0].offsetParent);
}
- },
- renderAttributes: function renderAttributes() {
- this.updateAttributes();
- this.updateClasses();
- },
- render: function render() {
- this.renderAttributes();
- this.updateContent();
- this.renderChildren();
- this.updateScript();
- return this;
- }
-});
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
-/***/ }),
-/* 4 */
-/***/ (function(module, exports, __webpack_require__) {
+ });
-"use strict";
+ fn.extend({
+ children: function (selector) {
+ var elems = [];
+ this.each(function (el) {
+ push.apply(elems, el.children);
+ });
+ elems = unique(elems);
+ return (!selector ? elems : elems.filter(function (v) {
+ return matches(v, selector);
+ }));
+ },
-var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+ closest: function (selector) {
+ if (!selector || this.length < 1) {
+ return cash();
+ }
+ if (this.is(selector)) {
+ return this.filter(selector);
+ }
+ return this.parent().closest(selector);
+ },
-var _underscore = __webpack_require__(1);
+ is: function (selector) {
+ if (!selector) {
+ return false;
+ }
-var _mixins = __webpack_require__(2);
+ var match = false, comparator = getCompareFunction(selector);
-var _Styleable = __webpack_require__(47);
+ this.each(function (el) {
+ match = comparator(el, selector);
+ return !match;
+ });
-var _Styleable2 = _interopRequireDefault(_Styleable);
+ return match;
+ },
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+ find: function (selector) {
+ if (!selector || selector.nodeType) {
+ return cash(selector && this.has(selector).length ? selector : null);
+ }
-var Backbone = __webpack_require__(0);
-var Components = __webpack_require__(49);
-var Selector = __webpack_require__(7);
-var Selectors = __webpack_require__(10);
-var Traits = __webpack_require__(152);
+ var elems = [];
+ this.each(function (el) {
+ push.apply(elems, find(selector, el));
+ });
-var escapeRegExp = function escapeRegExp(str) {
- return str.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&');
-};
+ return unique(elems);
+ },
-module.exports = Backbone.Model.extend(_Styleable2.default).extend({
+ has: function (selector) {
+ var comparator = (isString(selector) ? function (el) {
+ return find(selector, el).length !== 0;
+ } : function (el) {
+ return el.contains(selector);
+ });
- defaults: {
- // HTML tag of the component
- tagName: 'div',
+ return this.filter(comparator);
+ },
- // Component type, eg. 'text', 'image', 'video', etc.
- type: '',
+ next: function () {
+ return cash(this[0].nextElementSibling);
+ },
- // Name of the component. Will be used, for example, in layers and badges
- name: '',
+ not: function (selector) {
+ if (!selector) {
+ return this;
+ }
- // True if the component is removable from the canvas
- removable: true,
+ var comparator = getCompareFunction(selector);
- // Indicates if it's possible to drag the component inside others
- // Tip: Indicate an array of selectors where it could be dropped inside
- draggable: true,
+ return this.filter(function (el) {
+ return !comparator(el, selector);
+ });
+ },
- // Indicates if it's possible to drop other components inside
- // Tip: Indicate an array of selectors which could be dropped inside
- droppable: true,
+ parent: function () {
+ var result = [];
- // Set false if don't want to see the badge (with the name) over the component
- badgable: true,
+ this.each(function (item) {
+ if (item && item.parentNode) {
+ result.push(item.parentNode);
+ }
+ });
- // True if it's possible to style it
- // Tip:
- // Indicate an array of CSS properties which is possible to style, eg. ['color', 'width']
- // All other properties will be hidden from the style manager
- stylable: true,
+ return unique(result);
+ },
- // Indicate an array of style properties to show up which has been marked as `toRequire`
- 'stylable-require': '',
+ parents: function (selector) {
+ var last, result = [];
- // Indicate an array of style properties which should be hidden from the style manager
- unstylable: '',
+ this.each(function (item) {
+ last = item;
- // Highlightable with 'dotted' style if true
- highlightable: true,
+ while (last && last.parentNode && last !== doc.body.parentNode) {
+ last = last.parentNode;
- // True if it's possible to clone the component
- copyable: true,
+ if (!selector || (selector && matches(last, selector))) {
+ result.push(last);
+ }
+ }
+ });
- // Indicates if it's possible to resize the component (at the moment implemented only on Image Components)
- // It's also possible to pass an object as options for the Resizer
- resizable: false,
+ return unique(result);
+ },
- // Allow to edit the content of the component (used on Text components)
- editable: false,
+ prev: function () {
+ return cash(this[0].previousElementSibling);
+ },
- // Hide the component inside Layers
- layerable: true,
+ siblings: function () {
+ var collection = this.parent().children(), el = this[0];
- // Allow component to be selected when clicked
- selectable: true,
+ return collection.filter(function (i) {
+ return i !== el;
+ });
+ }
- // Shows a highlight outline when hovering on the element if true
- hoverable: true,
+ });
- // This property is used by the HTML exporter as void elements do not
- // have closing tag, eg. , , etc.
- void: false,
- // Indicates if the component is in some CSS state like ':hover', ':active', etc.
- state: '',
+ return cash;
+});
- // State, eg. 'selected'
- status: '',
+/***/ }),
- // Content of the component (not escaped) which will be appended before children rendering
- content: '',
+/***/ "./node_modules/codemirror-formatting/formatting.js":
+/*!**********************************************************!*\
+ !*** ./node_modules/codemirror-formatting/formatting.js ***!
+ \**********************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Component icon, this string will be inserted before the name, eg. ''
- icon: '',
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(/*! codemirror/lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));
+ else {}
+})(function(CodeMirror) {
- // Component related style
- style: '',
+ CodeMirror.extendMode("css", {
+ commentStart: "/*",
+ commentEnd: "*/",
+ newlineAfterToken: function(_type, content) {
+ return /^[;{}]$/.test(content);
+ }
+ });
- // Key-value object of the component's attributes
- attributes: '',
+ CodeMirror.extendMode("javascript", {
+ commentStart: "/*",
+ commentEnd: "*/",
+ // FIXME semicolons inside of for
+ newlineAfterToken: function(_type, content, textAfter, state) {
+ if (this.jsonMode) {
+ return /^[\[,{]$/.test(content) || /^}/.test(textAfter);
+ } else {
+ if (content == ";" && state.lexical && state.lexical.type == ")") return false;
+ return /^[;{}]$/.test(content) && !/^;/.test(textAfter);
+ }
+ }
+ });
- // Array of classes
- classes: '',
+ var inlineElements = /^(a|abbr|acronym|area|base|bdo|big|br|button|caption|cite|code|col|colgroup|dd|del|dfn|em|frame|hr|iframe|img|input|ins|kbd|label|legend|link|map|object|optgroup|option|param|q|samp|script|select|small|span|strong|sub|sup|textarea|tt|var)$/;
- // Component's javascript
- script: '',
+ CodeMirror.extendMode("xml", {
+ commentStart: "",
+ newlineAfterToken: function(type, content, textAfter, state) {
+ var inline = false;
+ if (this.configuration == "html")
+ inline = state.context ? inlineElements.test(state.context.tagName) : false;
+ return !inline && ((type == "tag" && />$/.test(content) && state.context) ||
+ /^ -1 && endIndex > -1 && endIndex > startIndex) {
+ // Take string till comment start
+ selText = selText.substr(0, startIndex) +
+ // From comment start till comment end
+ selText.substring(startIndex + curMode.commentStart.length, endIndex) +
+ // From comment end till string end
+ selText.substr(endIndex + curMode.commentEnd.length);
+ }
+ cm.replaceRange(selText, from, to);
+ }
+ });
+ });
- // Indicates an array of properties which will be inhereted by
- // all NEW appended children
- //
- // If you create a model likes this
- // removable: false,
- // draggable: false,
- // propagate: ['removable', 'draggable']
- // When you append some new component inside, the new added model
- // will get the exact same properties indicated in `propagate` array
- // (as the `propagate` property itself)
- //
- propagate: '',
+ // Applies automatic mode-aware indentation to the specified range
+ CodeMirror.defineExtension("autoIndentRange", function (from, to) {
+ var cmInstance = this;
+ this.operation(function () {
+ for (var i = from.line; i <= to.line; i++) {
+ cmInstance.indentLine(i, "smart");
+ }
+ });
+ });
- /**
- * Set an array of items to show up inside the toolbar (eg. move, clone, delete)
- * when the component is selected
- * toolbar: [{
- * attributes: {class: 'fa fa-arrows'},
- * command: 'tlb-move',
- * },{
- * attributes: {class: 'fa fa-clone'},
- * command: 'tlb-clone',
- * }]
- */
- toolbar: null
- },
+ // Applies automatic formatting to the specified range
+ CodeMirror.defineExtension("autoFormatRange", function (from, to) {
+ var cm = this;
+ var outer = cm.getMode(), text = cm.getRange(from, to).split("\n");
+ var state = CodeMirror.copyState(outer, cm.getTokenAt(from).state);
+ var tabSize = cm.getOption("tabSize");
- initialize: function initialize() {
- var _this = this;
+ var out = "", lines = 0, atSol = from.ch === 0;
+ function newline() {
+ out += "\n";
+ atSol = true;
+ ++lines;
+ }
- var props = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var opt = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ for (var i = 0; i < text.length; ++i) {
+ var stream = new CodeMirror.StringStream(text[i], tabSize);
+ while (!stream.eol()) {
+ var inner = CodeMirror.innerMode(outer, state);
+ var style = outer.token(stream, state), cur = stream.current();
+ stream.start = stream.pos;
+ if (!atSol || /\S/.test(cur)) {
+ out += cur;
+ atSol = false;
+ }
+ if (!atSol && inner.mode.newlineAfterToken &&
+ inner.mode.newlineAfterToken(style, cur, stream.string.slice(stream.pos) || text[i+1] || "", inner.state))
+ newline();
+ }
+ if (!stream.pos && outer.blankLine) outer.blankLine(state);
+ if (!atSol && i < text.length - 1) newline();
+ }
- var em = opt.sm || opt.em || '';
+ cm.operation(function () {
+ cm.replaceRange(out, from, to);
+ for (var cur = from.line + 1, end = from.line + lines; cur <= end; ++cur)
+ cm.indentLine(cur, "smart");
+ cm.setSelection(from, cm.getCursor(false));
+ });
+ });
+});
- // Propagate properties from parent if indicated
- var parent = this.parent();
- var parentAttr = parent && parent.attributes;
- if (parentAttr && parentAttr.propagate) {
- var newAttr = {};
- var toPropagate = parentAttr.propagate;
- toPropagate.forEach(function (prop) {
- return newAttr[prop] = parent.get(prop);
- });
- newAttr.propagate = toPropagate;
- newAttr = _extends({}, newAttr, props);
- this.set(newAttr);
- }
+/***/ }),
- var propagate = this.get('propagate');
- propagate && this.set('propagate', (0, _underscore.isArray)(propagate) ? propagate : [propagate]);
+/***/ "./node_modules/codemirror/lib/codemirror.js":
+/*!***************************************************!*\
+ !*** ./node_modules/codemirror/lib/codemirror.js ***!
+ \***************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- // Check void elements
- if (opt && opt.config && opt.config.voidElements.indexOf(this.get('tagName')) >= 0) {
- this.set('void', true);
- }
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
- opt.em = em;
- this.opt = opt;
- this.sm = em;
- this.em = em;
- this.config = opt.config || {};
- this.set('attributes', this.get('attributes') || {});
- this.listenTo(this, 'change:script', this.scriptUpdated);
- this.listenTo(this, 'change:traits', this.traitsUpdated);
- this.listenTo(this, 'change:tagName', this.tagUpdated);
- this.listenTo(this, 'change:attributes', this.attrUpdated);
- this.initClasses();
- this.loadTraits();
- this.initComponents();
- this.initToolbar();
- this.set('status', '');
- this.listenTo(this.get('classes'), 'add remove change', function () {
- return _this.emitUpdate('classes');
- });
- this.init();
- },
+// This is CodeMirror (https://codemirror.net), a code editor
+// implemented in JavaScript on top of the browser's DOM.
+//
+// You can find some technical background for some of the code below
+// at http://marijnhaverbeke.nl/blog/#cm-internals .
+(function (global, factory) {
+ true ? module.exports = factory() :
+ undefined;
+}(this, (function () { 'use strict';
- /**
- * Check component's type
- * @param {string} type Component type
- * @return {Boolean}
- * @example
- * model.is('image')
- * // -> false
- */
- is: function is(type) {
- return !!(this.get('type') == type);
- },
+ // Kludges for bugs and behavior differences that can't be feature
+ // detected are enabled based on userAgent etc sniffing.
+ var userAgent = navigator.userAgent;
+ var platform = navigator.platform;
+
+ var gecko = /gecko\/\d/i.test(userAgent);
+ var ie_upto10 = /MSIE \d/.test(userAgent);
+ var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
+ var edge = /Edge\/(\d+)/.exec(userAgent);
+ var ie = ie_upto10 || ie_11up || edge;
+ var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
+ var webkit = !edge && /WebKit\//.test(userAgent);
+ var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
+ var chrome = !edge && /Chrome\//.test(userAgent);
+ var presto = /Opera\//.test(userAgent);
+ var safari = /Apple Computer/.test(navigator.vendor);
+ var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
+ var phantom = /PhantomJS/.test(userAgent);
+
+ var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
+ var android = /Android/.test(userAgent);
+ // This is woefully incomplete. Suggestions for alternative methods welcome.
+ var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
+ var mac = ios || /Mac/.test(platform);
+ var chromeOS = /\bCrOS\b/.test(userAgent);
+ var windows = /win/i.test(platform);
+
+ var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
+ if (presto_version) { presto_version = Number(presto_version[1]); }
+ if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
+ // Some browsers use the wrong event properties to signal cmd/ctrl on OS X
+ var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
+ var captureRightClick = gecko || (ie && ie_version >= 9);
+
+ function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
+
+ var rmClass = function(node, cls) {
+ var current = node.className;
+ var match = classTest(cls).exec(current);
+ if (match) {
+ var after = current.slice(match.index + match[0].length);
+ node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
+ }
+ };
+
+ function removeChildren(e) {
+ for (var count = e.childNodes.length; count > 0; --count)
+ { e.removeChild(e.firstChild); }
+ return e
+ }
+
+ function removeChildrenAndAdd(parent, e) {
+ return removeChildren(parent).appendChild(e)
+ }
+
+ function elt(tag, content, className, style) {
+ var e = document.createElement(tag);
+ if (className) { e.className = className; }
+ if (style) { e.style.cssText = style; }
+ if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
+ else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
+ return e
+ }
+ // wrapper for elt, which removes the elt from the accessibility tree
+ function eltP(tag, content, className, style) {
+ var e = elt(tag, content, className, style);
+ e.setAttribute("role", "presentation");
+ return e
+ }
+
+ var range;
+ if (document.createRange) { range = function(node, start, end, endNode) {
+ var r = document.createRange();
+ r.setEnd(endNode || node, end);
+ r.setStart(node, start);
+ return r
+ }; }
+ else { range = function(node, start, end) {
+ var r = document.body.createTextRange();
+ try { r.moveToElementText(node.parentNode); }
+ catch(e) { return r }
+ r.collapse(true);
+ r.moveEnd("character", end);
+ r.moveStart("character", start);
+ return r
+ }; }
+ function contains(parent, child) {
+ if (child.nodeType == 3) // Android browser always returns false when child is a textnode
+ { child = child.parentNode; }
+ if (parent.contains)
+ { return parent.contains(child) }
+ do {
+ if (child.nodeType == 11) { child = child.host; }
+ if (child == parent) { return true }
+ } while (child = child.parentNode)
+ }
- /**
- * Find inner models by query string
- * ATTENTION: this method works only with alredy rendered component
- * @param {string} query Query string
- * @return {Array} Array of models
- * @example
- * model.find('div > .class');
- * // -> [Component, Component, ...]
- */
- find: function find(query) {
- var result = [];
+ function activeElt() {
+ // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
+ // IE < 10 will throw when accessed while the page is loading or in an iframe.
+ // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
+ var activeElement;
+ try {
+ activeElement = document.activeElement;
+ } catch(e) {
+ activeElement = document.body || null;
+ }
+ while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
+ { activeElement = activeElement.shadowRoot.activeElement; }
+ return activeElement
+ }
- this.view.$el.find(query).each(function (el, i, $els) {
- var $el = $els.eq(i);
- var model = $el.data('model');
- model && result.push(model);
- });
+ function addClass(node, cls) {
+ var current = node.className;
+ if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
+ }
+ function joinClasses(a, b) {
+ var as = a.split(" ");
+ for (var i = 0; i < as.length; i++)
+ { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
+ return b
+ }
- return result;
- },
+ var selectInput = function(node) { node.select(); };
+ if (ios) // Mobile Safari apparently has a bug where select() is broken.
+ { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
+ else if (ie) // Suppress mysterious IE10 errors
+ { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
+ function bind(f) {
+ var args = Array.prototype.slice.call(arguments, 1);
+ return function(){return f.apply(null, args)}
+ }
- /**
- * Once the tag is updated I have to remove the node and replace it
- */
- tagUpdated: function tagUpdated() {
- var coll = this.collection;
- var at = coll.indexOf(this);
- coll.remove(this);
- coll.add(this, { at: at });
- },
+ function copyObj(obj, target, overwrite) {
+ if (!target) { target = {}; }
+ for (var prop in obj)
+ { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
+ { target[prop] = obj[prop]; } }
+ return target
+ }
+ // Counts the column offset in a string, taking tabs into account.
+ // Used mostly to find indentation.
+ function countColumn(string, end, tabSize, startIndex, startValue) {
+ if (end == null) {
+ end = string.search(/[^\s\u00a0]/);
+ if (end == -1) { end = string.length; }
+ }
+ for (var i = startIndex || 0, n = startValue || 0;;) {
+ var nextTab = string.indexOf("\t", i);
+ if (nextTab < 0 || nextTab >= end)
+ { return n + (end - i) }
+ n += nextTab - i;
+ n += tabSize - (n % tabSize);
+ i = nextTab + 1;
+ }
+ }
- /**
- * Emit changes for each updated attribute
- */
- attrUpdated: function attrUpdated() {
- var _this2 = this;
+ var Delayed = function() {this.id = null;};
+ Delayed.prototype.set = function (ms, f) {
+ clearTimeout(this.id);
+ this.id = setTimeout(f, ms);
+ };
- var attrPrev = _extends({}, this.previous('attributes'));
- var attrCurrent = _extends({}, this.get('attributes'));
- var diff = (0, _mixins.shallowDiff)(attrPrev, attrCurrent);
- (0, _underscore.keys)(diff).forEach(function (pr) {
- return _this2.trigger('change:attributes:' + pr);
- });
- },
+ function indexOf(array, elt) {
+ for (var i = 0; i < array.length; ++i)
+ { if (array[i] == elt) { return i } }
+ return -1
+ }
+ // Number of pixels added to scroller and sizer to hide scrollbar
+ var scrollerGap = 30;
- /**
- * Update attributes of the model
- * @param {Object} attrs Key value attributes
- * @example
- * model.setAttributes({id: 'test', 'data-key': 'value'});
- */
- setAttributes: function setAttributes(attrs) {
- attrs = _extends({}, attrs);
+ // Returned or thrown by various protocols to signal 'I'm not
+ // handling this'.
+ var Pass = {toString: function(){return "CodeMirror.Pass"}};
- // Handle classes
- var classes = attrs.class;
- classes && this.setClass(classes);
- delete attrs.class;
+ // Reused option objects for setSelection & friends
+ var sel_dontScroll = {scroll: false}, sel_mouse = {origin: "*mouse"}, sel_move = {origin: "+move"};
- // Handle style
- var style = attrs.style;
- style && this.setStyle(style);
- delete attrs.style;
+ // The inverse of countColumn -- find the offset that corresponds to
+ // a particular column.
+ function findColumn(string, goal, tabSize) {
+ for (var pos = 0, col = 0;;) {
+ var nextTab = string.indexOf("\t", pos);
+ if (nextTab == -1) { nextTab = string.length; }
+ var skipped = nextTab - pos;
+ if (nextTab == string.length || col + skipped >= goal)
+ { return pos + Math.min(skipped, goal - col) }
+ col += nextTab - pos;
+ col += tabSize - (col % tabSize);
+ pos = nextTab + 1;
+ if (col >= goal) { return pos }
+ }
+ }
- this.set('attributes', attrs);
- },
- getStyle: function getStyle() {
- var em = this.em;
+ var spaceStrs = [""];
+ function spaceStr(n) {
+ while (spaceStrs.length <= n)
+ { spaceStrs.push(lst(spaceStrs) + " "); }
+ return spaceStrs[n]
+ }
- if (em && em.getConfig('avoidInlineStyle')) {
- var state = this.get('state');
- var cc = em.get('CssComposer');
- var rule = cc.getIdRule(this.getId(), { state: state });
- this.rule = rule;
+ function lst(arr) { return arr[arr.length-1] }
- if (rule) {
- return rule.getStyle();
- }
+ function map(array, f) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
+ return out
+ }
+
+ function insertSorted(array, value, score) {
+ var pos = 0, priority = score(value);
+ while (pos < array.length && score(array[pos]) <= priority) { pos++; }
+ array.splice(pos, 0, value);
+ }
+
+ function nothing() {}
+
+ function createObj(base, props) {
+ var inst;
+ if (Object.create) {
+ inst = Object.create(base);
+ } else {
+ nothing.prototype = base;
+ inst = new nothing();
}
+ if (props) { copyObj(props, inst); }
+ return inst
+ }
- return _Styleable2.default.getStyle.call(this);
- },
- setStyle: function setStyle() {
- var _this3 = this;
+ var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
+ function isWordCharBasic(ch) {
+ return /\w/.test(ch) || ch > "\x80" &&
+ (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
+ }
+ function isWordChar(ch, helper) {
+ if (!helper) { return isWordCharBasic(ch) }
+ if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
+ return helper.test(ch)
+ }
- var prop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
- var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ function isEmpty(obj) {
+ for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
+ return true
+ }
- var em = this.em;
+ // Extending unicode characters. A series of a non-extending char +
+ // any number of extending chars is treated as a single unit as far
+ // as editing and measuring is concerned. This is not fully correct,
+ // since some scripts/fonts/browsers also treat other configurations
+ // of code points as a group.
+ var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
+ function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
- if (em && em.getConfig('avoidInlineStyle')) {
- prop = (0, _underscore.isString)(prop) ? this.parseStyle(prop) : prop;
- var state = this.get('state');
- var cc = em.get('CssComposer');
- var propOrig = this.getStyle();
- this.rule = cc.setIdRule(this.getId(), prop, _extends({}, opts, { state: state }));
- var diff = (0, _mixins.shallowDiff)(propOrig, prop);
- (0, _underscore.keys)(diff).forEach(function (pr) {
- return _this3.trigger('change:style:' + pr);
- });
- } else {
- prop = _Styleable2.default.setStyle.apply(this, arguments);
+ // Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
+ function skipExtendingChars(str, pos, dir) {
+ while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
+ return pos
+ }
+
+ // Returns the value from the range [`from`; `to`] that satisfies
+ // `pred` and is closest to `from`. Assumes that at least `to`
+ // satisfies `pred`. Supports `from` being greater than `to`.
+ function findFirst(pred, from, to) {
+ // At any point we are certain `to` satisfies `pred`, don't know
+ // whether `from` does.
+ var dir = from > to ? -1 : 1;
+ for (;;) {
+ if (from == to) { return from }
+ var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
+ if (mid == from) { return pred(mid) ? from : to }
+ if (pred(mid)) { to = mid; }
+ else { from = mid + dir; }
+ }
+ }
+
+ // BIDI HELPERS
+
+ function iterateBidiSections(order, from, to, f) {
+ if (!order) { return f(from, to, "ltr", 0) }
+ var found = false;
+ for (var i = 0; i < order.length; ++i) {
+ var part = order[i];
+ if (part.from < to && part.to > from || from == to && part.to == from) {
+ f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
+ found = true;
+ }
+ }
+ if (!found) { f(from, to, "ltr"); }
+ }
+
+ var bidiOther = null;
+ function getBidiPartAt(order, ch, sticky) {
+ var found;
+ bidiOther = null;
+ for (var i = 0; i < order.length; ++i) {
+ var cur = order[i];
+ if (cur.from < ch && cur.to > ch) { return i }
+ if (cur.to == ch) {
+ if (cur.from != cur.to && sticky == "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ if (cur.from == ch) {
+ if (cur.from != cur.to && sticky != "before") { found = i; }
+ else { bidiOther = i; }
+ }
+ }
+ return found != null ? found : bidiOther
+ }
+
+ // Bidirectional ordering algorithm
+ // See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
+ // that this (partially) implements.
+
+ // One-char codes used for character types:
+ // L (L): Left-to-Right
+ // R (R): Right-to-Left
+ // r (AL): Right-to-Left Arabic
+ // 1 (EN): European Number
+ // + (ES): European Number Separator
+ // % (ET): European Number Terminator
+ // n (AN): Arabic Number
+ // , (CS): Common Number Separator
+ // m (NSM): Non-Spacing Mark
+ // b (BN): Boundary Neutral
+ // s (B): Paragraph Separator
+ // t (S): Segment Separator
+ // w (WS): Whitespace
+ // N (ON): Other Neutrals
+
+ // Returns null if characters are ordered as they appear
+ // (left-to-right), or an array of sections ({from, to, level}
+ // objects) in the order in which they occur visually.
+ var bidiOrdering = (function() {
+ // Character types for codepoints 0 to 0xff
+ var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
+ // Character types for codepoints 0x600 to 0x6f9
+ var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
+ function charType(code) {
+ if (code <= 0xf7) { return lowTypes.charAt(code) }
+ else if (0x590 <= code && code <= 0x5f4) { return "R" }
+ else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
+ else if (0x6ee <= code && code <= 0x8ac) { return "r" }
+ else if (0x2000 <= code && code <= 0x200b) { return "w" }
+ else if (code == 0x200c) { return "b" }
+ else { return "L" }
+ }
+
+ var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
+ var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
+
+ function BidiSpan(level, from, to) {
+ this.level = level;
+ this.from = from; this.to = to;
+ }
+
+ return function(str, direction) {
+ var outerType = direction == "ltr" ? "L" : "R";
+
+ if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
+ var len = str.length, types = [];
+ for (var i = 0; i < len; ++i)
+ { types.push(charType(str.charCodeAt(i))); }
+
+ // W1. Examine each non-spacing mark (NSM) in the level run, and
+ // change the type of the NSM to the type of the previous
+ // character. If the NSM is at the start of the level run, it will
+ // get the type of sor.
+ for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
+ var type = types[i$1];
+ if (type == "m") { types[i$1] = prev; }
+ else { prev = type; }
+ }
+
+ // W2. Search backwards from each instance of a European number
+ // until the first strong type (R, L, AL, or sor) is found. If an
+ // AL is found, change the type of the European number to Arabic
+ // number.
+ // W3. Change all ALs to R.
+ for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
+ var type$1 = types[i$2];
+ if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
+ else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
+ }
+
+ // W4. A single European separator between two European numbers
+ // changes to a European number. A single common separator between
+ // two numbers of the same type changes to that type.
+ for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
+ var type$2 = types[i$3];
+ if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
+ else if (type$2 == "," && prev$1 == types[i$3+1] &&
+ (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
+ prev$1 = type$2;
+ }
+
+ // W5. A sequence of European terminators adjacent to European
+ // numbers changes to all European numbers.
+ // W6. Otherwise, separators and terminators change to Other
+ // Neutral.
+ for (var i$4 = 0; i$4 < len; ++i$4) {
+ var type$3 = types[i$4];
+ if (type$3 == ",") { types[i$4] = "N"; }
+ else if (type$3 == "%") {
+ var end = (void 0);
+ for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
+ var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
+ for (var j = i$4; j < end; ++j) { types[j] = replace; }
+ i$4 = end - 1;
+ }
+ }
+
+ // W7. Search backwards from each instance of a European number
+ // until the first strong type (R, L, or sor) is found. If an L is
+ // found, then change the type of the European number to L.
+ for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
+ var type$4 = types[i$5];
+ if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
+ else if (isStrong.test(type$4)) { cur$1 = type$4; }
+ }
+
+ // N1. A sequence of neutrals takes the direction of the
+ // surrounding strong text if the text on both sides has the same
+ // direction. European and Arabic numbers act as if they were R in
+ // terms of their influence on neutrals. Start-of-level-run (sor)
+ // and end-of-level-run (eor) are used at level run boundaries.
+ // N2. Any remaining neutrals take the embedding direction.
+ for (var i$6 = 0; i$6 < len; ++i$6) {
+ if (isNeutral.test(types[i$6])) {
+ var end$1 = (void 0);
+ for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
+ var before = (i$6 ? types[i$6-1] : outerType) == "L";
+ var after = (end$1 < len ? types[end$1] : outerType) == "L";
+ var replace$1 = before == after ? (before ? "L" : "R") : outerType;
+ for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
+ i$6 = end$1 - 1;
+ }
+ }
+
+ // Here we depart from the documented algorithm, in order to avoid
+ // building up an actual levels array. Since there are only three
+ // levels (0, 1, 2) in an implementation that doesn't take
+ // explicit embedding into account, we can build up the order on
+ // the fly, without following the level-based algorithm.
+ var order = [], m;
+ for (var i$7 = 0; i$7 < len;) {
+ if (countsAsLeft.test(types[i$7])) {
+ var start = i$7;
+ for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
+ order.push(new BidiSpan(0, start, i$7));
+ } else {
+ var pos = i$7, at = order.length;
+ for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
+ for (var j$2 = pos; j$2 < i$7;) {
+ if (countsAsNum.test(types[j$2])) {
+ if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }
+ var nstart = j$2;
+ for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
+ order.splice(at, 0, new BidiSpan(2, nstart, j$2));
+ pos = j$2;
+ } else { ++j$2; }
+ }
+ if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
+ }
+ }
+ if (direction == "ltr") {
+ if (order[0].level == 1 && (m = str.match(/^\s+/))) {
+ order[0].from = m[0].length;
+ order.unshift(new BidiSpan(0, 0, m[0].length));
+ }
+ if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
+ lst(order).to -= m[0].length;
+ order.push(new BidiSpan(0, len - m[0].length, len));
+ }
+ }
+
+ return direction == "rtl" ? order.reverse() : order
}
+ })();
- return prop;
- },
+ // Get the bidi ordering for the given line (and cache it). Returns
+ // false for lines that are fully left-to-right, and an array of
+ // BidiSpan objects otherwise.
+ function getOrder(line, direction) {
+ var order = line.order;
+ if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
+ return order
+ }
+ // EVENT HANDLING
- /**
- * Return attributes
- * @return {Object}
- */
- getAttributes: function getAttributes() {
- var classes = [];
- var attributes = _extends({}, this.get('attributes'));
+ // Lightweight event framework. on/off also work on DOM nodes,
+ // registering native DOM handlers.
- // Add classes
- this.get('classes').each(function (cls) {
- return classes.push(cls.get('name'));
- });
- classes.length && (attributes.class = classes.join(' '));
+ var noHandlers = [];
- // If style is not empty I need an ID attached to the component
- if (!(0, _underscore.isEmpty)(this.getStyle()) && !(0, _underscore.has)(attributes, 'id')) {
- attributes.id = this.getId();
+ var on = function(emitter, type, f) {
+ if (emitter.addEventListener) {
+ emitter.addEventListener(type, f, false);
+ } else if (emitter.attachEvent) {
+ emitter.attachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers || (emitter._handlers = {});
+ map$$1[type] = (map$$1[type] || noHandlers).concat(f);
}
+ };
- return attributes;
- },
+ function getHandlers(emitter, type) {
+ return emitter._handlers && emitter._handlers[type] || noHandlers
+ }
+ function off(emitter, type, f) {
+ if (emitter.removeEventListener) {
+ emitter.removeEventListener(type, f, false);
+ } else if (emitter.detachEvent) {
+ emitter.detachEvent("on" + type, f);
+ } else {
+ var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];
+ if (arr) {
+ var index = indexOf(arr, f);
+ if (index > -1)
+ { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
+ }
+ }
+ }
- /**
- * Add classes
- * @param {Array|string} classes Array or string of classes
- * @return {Array} Array of added selectors
- * @example
- * model.addClass('class1');
- * model.addClass('class1 class2');
- * model.addClass(['class1', 'class2']);
- * // -> [SelectorObject, ...]
- */
- addClass: function addClass(classes) {
- var added = this.em.get('SelectorManager').addClass(classes);
- return this.get('classes').add(added);
- },
+ function signal(emitter, type /*, values...*/) {
+ var handlers = getHandlers(emitter, type);
+ if (!handlers.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2);
+ for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
+ }
+ // The DOM events that CodeMirror handles can be overridden by
+ // registering a (non-DOM) handler on the editor for the event name,
+ // and preventDefault-ing the event in that handler.
+ function signalDOMEvent(cm, e, override) {
+ if (typeof e == "string")
+ { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
+ signal(cm, override || e.type, cm, e);
+ return e_defaultPrevented(e) || e.codemirrorIgnore
+ }
- /**
- * Set classes (resets current collection)
- * @param {Array|string} classes Array or string of classes
- * @return {Array} Array of added selectors
- * @example
- * model.setClass('class1');
- * model.setClass('class1 class2');
- * model.setClass(['class1', 'class2']);
- * // -> [SelectorObject, ...]
- */
- setClass: function setClass(classes) {
- this.get('classes').reset();
- return this.addClass(classes);
- },
+ function signalCursorActivity(cm) {
+ var arr = cm._handlers && cm._handlers.cursorActivity;
+ if (!arr) { return }
+ var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
+ for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
+ { set.push(arr[i]); } }
+ }
+ function hasHandler(emitter, type) {
+ return getHandlers(emitter, type).length > 0
+ }
- /**
- * Remove classes
- * @param {Array|string} classes Array or string of classes
- * @return {Array} Array of removed selectors
- * @example
- * model.removeClass('class1');
- * model.removeClass('class1 class2');
- * model.removeClass(['class1', 'class2']);
- * // -> [SelectorObject, ...]
- */
- removeClass: function removeClass(classes) {
- var removed = [];
- classes = (0, _underscore.isArray)(classes) ? classes : [classes];
- var selectors = this.get('classes');
- var type = Selector.TYPE_CLASS;
+ // Add on and off methods to a constructor's prototype, to make
+ // registering events on such objects more convenient.
+ function eventMixin(ctor) {
+ ctor.prototype.on = function(type, f) {on(this, type, f);};
+ ctor.prototype.off = function(type, f) {off(this, type, f);};
+ }
- classes.forEach(function (classe) {
- var classes = classe.split(' ');
- classes.forEach(function (name) {
- var selector = selectors.where({ name: name, type: type })[0];
- selector && removed.push(selectors.remove(selector));
- });
- });
+ // Due to the fact that we still support jurassic IE versions, some
+ // compatibility wrappers are needed.
- return removed;
- },
- initClasses: function initClasses() {
- var classes = this.normalizeClasses(this.get('classes') || []);
- this.set('classes', new Selectors(classes));
- return this;
- },
- initComponents: function initComponents() {
- // Have to add components after the init, otherwise the parent
- // is not visible
- var comps = new Components(null, this.opt);
- comps.parent = this;
- comps.reset(this.get('components'));
- this.set('components', comps);
- return this;
- },
+ function e_preventDefault(e) {
+ if (e.preventDefault) { e.preventDefault(); }
+ else { e.returnValue = false; }
+ }
+ function e_stopPropagation(e) {
+ if (e.stopPropagation) { e.stopPropagation(); }
+ else { e.cancelBubble = true; }
+ }
+ function e_defaultPrevented(e) {
+ return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
+ }
+ function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
+ function e_target(e) {return e.target || e.srcElement}
+ function e_button(e) {
+ var b = e.which;
+ if (b == null) {
+ if (e.button & 1) { b = 1; }
+ else if (e.button & 2) { b = 3; }
+ else if (e.button & 4) { b = 2; }
+ }
+ if (mac && e.ctrlKey && b == 1) { b = 3; }
+ return b
+ }
- /**
- * Initialize callback
- */
- init: function init() {},
+ // Detect drag-and-drop
+ var dragAndDrop = function() {
+ // There is *some* kind of drag-and-drop support in IE6-8, but I
+ // couldn't get it to work yet.
+ if (ie && ie_version < 9) { return false }
+ var div = elt('div');
+ return "draggable" in div || "dragDrop" in div
+ }();
+ var zwspSupported;
+ function zeroWidthElement(measure) {
+ if (zwspSupported == null) {
+ var test = elt("span", "\u200b");
+ removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
+ if (measure.firstChild.offsetHeight != 0)
+ { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
+ }
+ var node = zwspSupported ? elt("span", "\u200b") :
+ elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
+ node.setAttribute("cm-text", "");
+ return node
+ }
+
+ // Feature-detect IE's crummy client rect reporting for bidi text
+ var badBidiRects;
+ function hasBadBidiRects(measure) {
+ if (badBidiRects != null) { return badBidiRects }
+ var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
+ var r0 = range(txt, 0, 1).getBoundingClientRect();
+ var r1 = range(txt, 1, 2).getBoundingClientRect();
+ removeChildren(measure);
+ if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
+ return badBidiRects = (r1.right - r0.right < 3)
+ }
+
+ // See if "".split is the broken IE version, if so, provide an
+ // alternative way to split lines.
+ var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
+ var pos = 0, result = [], l = string.length;
+ while (pos <= l) {
+ var nl = string.indexOf("\n", pos);
+ if (nl == -1) { nl = string.length; }
+ var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
+ var rt = line.indexOf("\r");
+ if (rt != -1) {
+ result.push(line.slice(0, rt));
+ pos += rt + 1;
+ } else {
+ result.push(line);
+ pos = nl + 1;
+ }
+ }
+ return result
+ } : function (string) { return string.split(/\r\n?|\n/); };
- /**
- * Add new component children
- * @param {Component|string} components Component to add
- * @param {Object} [opts={}] Options, same as in `model.add()`(from backbone)
- * @return {Array} Array of appended components
- * @example
- * someModel.get('components').lenght // -> 0
- * const videoComponent = someModel.append('')[0];
- * // This will add 2 components (`video` and `div`) to your `someModel`
- * someModel.get('components').lenght // -> 2
- * // You can pass components directly
- * otherModel.append(otherModel2);
- * otherModel.append([otherModel3, otherModel4]);
- */
- append: function append(components) {
- var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ var hasSelection = window.getSelection ? function (te) {
+ try { return te.selectionStart != te.selectionEnd }
+ catch(e) { return false }
+ } : function (te) {
+ var range$$1;
+ try {range$$1 = te.ownerDocument.selection.createRange();}
+ catch(e) {}
+ if (!range$$1 || range$$1.parentElement() != te) { return false }
+ return range$$1.compareEndPoints("StartToEnd", range$$1) != 0
+ };
+
+ var hasCopyEvent = (function () {
+ var e = elt("div");
+ if ("oncopy" in e) { return true }
+ e.setAttribute("oncopy", "return;");
+ return typeof e.oncopy == "function"
+ })();
+
+ var badZoomedRects = null;
+ function hasBadZoomedRects(measure) {
+ if (badZoomedRects != null) { return badZoomedRects }
+ var node = removeChildrenAndAdd(measure, elt("span", "x"));
+ var normal = node.getBoundingClientRect();
+ var fromRange = range(node, 0, 1).getBoundingClientRect();
+ return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
+ }
+
+ // Known modes, by name and by MIME
+ var modes = {}, mimeModes = {};
+
+ // Extra arguments are stored as the mode's dependencies, which is
+ // used by (legacy) mechanisms like loadmode.js to automatically
+ // load a mode. (Preferred mechanism is the require/define calls.)
+ function defineMode(name, mode) {
+ if (arguments.length > 2)
+ { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
+ modes[name] = mode;
+ }
+
+ function defineMIME(mime, spec) {
+ mimeModes[mime] = spec;
+ }
+
+ // Given a MIME type, a {name, ...options} config object, or a name
+ // string, return a mode config object.
+ function resolveMode(spec) {
+ if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
+ spec = mimeModes[spec];
+ } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
+ var found = mimeModes[spec.name];
+ if (typeof found == "string") { found = {name: found}; }
+ spec = createObj(found, spec);
+ spec.name = found.name;
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
+ return resolveMode("application/xml")
+ } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
+ return resolveMode("application/json")
+ }
+ if (typeof spec == "string") { return {name: spec} }
+ else { return spec || {name: "null"} }
+ }
+
+ // Given a mode spec (anything that resolveMode accepts), find and
+ // initialize an actual mode object.
+ function getMode(options, spec) {
+ spec = resolveMode(spec);
+ var mfactory = modes[spec.name];
+ if (!mfactory) { return getMode(options, "text/plain") }
+ var modeObj = mfactory(options, spec);
+ if (modeExtensions.hasOwnProperty(spec.name)) {
+ var exts = modeExtensions[spec.name];
+ for (var prop in exts) {
+ if (!exts.hasOwnProperty(prop)) { continue }
+ if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
+ modeObj[prop] = exts[prop];
+ }
+ }
+ modeObj.name = spec.name;
+ if (spec.helperType) { modeObj.helperType = spec.helperType; }
+ if (spec.modeProps) { for (var prop$1 in spec.modeProps)
+ { modeObj[prop$1] = spec.modeProps[prop$1]; } }
+
+ return modeObj
+ }
+
+ // This can be used to attach properties to mode objects from
+ // outside the actual mode definition.
+ var modeExtensions = {};
+ function extendMode(mode, properties) {
+ var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
+ copyObj(properties, exts);
+ }
+
+ function copyState(mode, state) {
+ if (state === true) { return state }
+ if (mode.copyState) { return mode.copyState(state) }
+ var nstate = {};
+ for (var n in state) {
+ var val = state[n];
+ if (val instanceof Array) { val = val.concat([]); }
+ nstate[n] = val;
+ }
+ return nstate
+ }
+
+ // Given a mode and a state (for that mode), find the inner mode and
+ // state at the position that the state refers to.
+ function innerMode(mode, state) {
+ var info;
+ while (mode.innerMode) {
+ info = mode.innerMode(state);
+ if (!info || info.mode == mode) { break }
+ state = info.state;
+ mode = info.mode;
+ }
+ return info || {mode: mode, state: state}
+ }
+
+ function startState(mode, a1, a2) {
+ return mode.startState ? mode.startState(a1, a2) : true
+ }
+
+ // STRING STREAM
+
+ // Fed to the mode parsers, provides helper functions to make
+ // parsers more succinct.
+
+ var StringStream = function(string, tabSize, lineOracle) {
+ this.pos = this.start = 0;
+ this.string = string;
+ this.tabSize = tabSize || 8;
+ this.lastColumnPos = this.lastColumnValue = 0;
+ this.lineStart = 0;
+ this.lineOracle = lineOracle;
+ };
+
+ StringStream.prototype.eol = function () {return this.pos >= this.string.length};
+ StringStream.prototype.sol = function () {return this.pos == this.lineStart};
+ StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
+ StringStream.prototype.next = function () {
+ if (this.pos < this.string.length)
+ { return this.string.charAt(this.pos++) }
+ };
+ StringStream.prototype.eat = function (match) {
+ var ch = this.string.charAt(this.pos);
+ var ok;
+ if (typeof match == "string") { ok = ch == match; }
+ else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
+ if (ok) {++this.pos; return ch}
+ };
+ StringStream.prototype.eatWhile = function (match) {
+ var start = this.pos;
+ while (this.eat(match)){}
+ return this.pos > start
+ };
+ StringStream.prototype.eatSpace = function () {
+ var this$1 = this;
- var result = this.components().add(components, opts);
- return (0, _underscore.isArray)(result) ? result : [result];
- },
+ var start = this.pos;
+ while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }
+ return this.pos > start
+ };
+ StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
+ StringStream.prototype.skipTo = function (ch) {
+ var found = this.string.indexOf(ch, this.pos);
+ if (found > -1) {this.pos = found; return true}
+ };
+ StringStream.prototype.backUp = function (n) {this.pos -= n;};
+ StringStream.prototype.column = function () {
+ if (this.lastColumnPos < this.start) {
+ this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
+ this.lastColumnPos = this.start;
+ }
+ return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+ };
+ StringStream.prototype.indentation = function () {
+ return countColumn(this.string, null, this.tabSize) -
+ (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
+ };
+ StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
+ if (typeof pattern == "string") {
+ var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
+ var substr = this.string.substr(this.pos, pattern.length);
+ if (cased(substr) == cased(pattern)) {
+ if (consume !== false) { this.pos += pattern.length; }
+ return true
+ }
+ } else {
+ var match = this.string.slice(this.pos).match(pattern);
+ if (match && match.index > 0) { return null }
+ if (match && consume !== false) { this.pos += match[0].length; }
+ return match
+ }
+ };
+ StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
+ StringStream.prototype.hideFirstChars = function (n, inner) {
+ this.lineStart += n;
+ try { return inner() }
+ finally { this.lineStart -= n; }
+ };
+ StringStream.prototype.lookAhead = function (n) {
+ var oracle = this.lineOracle;
+ return oracle && oracle.lookAhead(n)
+ };
+ StringStream.prototype.baseToken = function () {
+ var oracle = this.lineOracle;
+ return oracle && oracle.baseToken(this.pos)
+ };
+
+ // Find the line object corresponding to the given line number.
+ function getLine(doc, n) {
+ n -= doc.first;
+ if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
+ var chunk = doc;
+ while (!chunk.lines) {
+ for (var i = 0;; ++i) {
+ var child = chunk.children[i], sz = child.chunkSize();
+ if (n < sz) { chunk = child; break }
+ n -= sz;
+ }
+ }
+ return chunk.lines[n]
+ }
+
+ // Get the part of a document between two positions, as an array of
+ // strings.
+ function getBetween(doc, start, end) {
+ var out = [], n = start.line;
+ doc.iter(start.line, end.line + 1, function (line) {
+ var text = line.text;
+ if (n == end.line) { text = text.slice(0, end.ch); }
+ if (n == start.line) { text = text.slice(start.ch); }
+ out.push(text);
+ ++n;
+ });
+ return out
+ }
+ // Get the lines between from and to, as array of strings.
+ function getLines(doc, from, to) {
+ var out = [];
+ doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
+ return out
+ }
+ // Update the height of a line, propagating the height change
+ // upwards to parent nodes.
+ function updateLineHeight(line, height) {
+ var diff = height - line.height;
+ if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
+ }
- /**
- * Set new collection if `components` are provided, otherwise the
- * current collection is returned
- * @param {Component|string} [components] Components to set
- * @return {Collection|undefined}
- * @example
- * // Get current collection
- * const collection = model.components();
- * // Set new collection
- * model.components('');
- */
- components: function components(_components) {
- var coll = this.get('components');
+ // Given a line object, find its line number by walking up through
+ // its parent links.
+ function lineNo(line) {
+ if (line.parent == null) { return null }
+ var cur = line.parent, no = indexOf(cur.lines, line);
+ for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
+ for (var i = 0;; ++i) {
+ if (chunk.children[i] == cur) { break }
+ no += chunk.children[i].chunkSize();
+ }
+ }
+ return no + cur.first
+ }
- if ((0, _underscore.isUndefined)(_components)) {
- return coll;
- } else {
- coll.reset();
- _components && this.append(_components);
+ // Find the line at the given vertical position, using the height
+ // information in the document tree.
+ function lineAtHeight(chunk, h) {
+ var n = chunk.first;
+ outer: do {
+ for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
+ var child = chunk.children[i$1], ch = child.height;
+ if (h < ch) { chunk = child; continue outer }
+ h -= ch;
+ n += child.chunkSize();
+ }
+ return n
+ } while (!chunk.lines)
+ var i = 0;
+ for (; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i], lh = line.height;
+ if (h < lh) { break }
+ h -= lh;
}
- },
+ return n + i
+ }
+ function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
- /**
- * Get parent model
- * @return {Component}
- */
- parent: function parent() {
- var coll = this.collection;
- return coll && coll.parent;
- },
+ function lineNumberFor(options, i) {
+ return String(options.lineNumberFormatter(i + options.firstLineNumber))
+ }
+ // A Pos instance represents a position within the text.
+ function Pos(line, ch, sticky) {
+ if ( sticky === void 0 ) sticky = null;
- /**
- * Script updated
- */
- scriptUpdated: function scriptUpdated() {
- this.set('scriptUpdated', 1);
- },
+ if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
+ this.line = line;
+ this.ch = ch;
+ this.sticky = sticky;
+ }
+ // Compare two positions, return 0 if they are the same, a negative
+ // number when a is less, and a positive number otherwise.
+ function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
- /**
- * Once traits are updated I have to populates model's attributes
- */
- traitsUpdated: function traitsUpdated() {
- var found = 0;
- var attrs = _extends({}, this.get('attributes'));
- var traits = this.get('traits');
+ function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
- if (!(traits instanceof Traits)) {
- this.loadTraits();
- return;
- }
+ function copyPos(x) {return Pos(x.line, x.ch)}
+ function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
+ function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
- traits.each(function (trait) {
- found = 1;
- if (!trait.get('changeProp')) {
- var value = trait.getInitValue();
- if (value) {
- attrs[trait.get('name')] = value;
+ // Most of the external API clips given positions to make sure they
+ // actually exist within the document.
+ function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
+ function clipPos(doc, pos) {
+ if (pos.line < doc.first) { return Pos(doc.first, 0) }
+ var last = doc.first + doc.size - 1;
+ if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
+ return clipToLen(pos, getLine(doc, pos.line).text.length)
+ }
+ function clipToLen(pos, linelen) {
+ var ch = pos.ch;
+ if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
+ else if (ch < 0) { return Pos(pos.line, 0) }
+ else { return pos }
+ }
+ function clipPosArray(doc, array) {
+ var out = [];
+ for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
+ return out
+ }
+
+ var SavedContext = function(state, lookAhead) {
+ this.state = state;
+ this.lookAhead = lookAhead;
+ };
+
+ var Context = function(doc, state, line, lookAhead) {
+ this.state = state;
+ this.doc = doc;
+ this.line = line;
+ this.maxLookAhead = lookAhead || 0;
+ this.baseTokens = null;
+ this.baseTokenPos = 1;
+ };
+
+ Context.prototype.lookAhead = function (n) {
+ var line = this.doc.getLine(this.line + n);
+ if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
+ return line
+ };
+
+ Context.prototype.baseToken = function (n) {
+ var this$1 = this;
+
+ if (!this.baseTokens) { return null }
+ while (this.baseTokens[this.baseTokenPos] <= n)
+ { this$1.baseTokenPos += 2; }
+ var type = this.baseTokens[this.baseTokenPos + 1];
+ return {type: type && type.replace(/( |^)overlay .*/, ""),
+ size: this.baseTokens[this.baseTokenPos] - n}
+ };
+
+ Context.prototype.nextLine = function () {
+ this.line++;
+ if (this.maxLookAhead > 0) { this.maxLookAhead--; }
+ };
+
+ Context.fromSaved = function (doc, saved, line) {
+ if (saved instanceof SavedContext)
+ { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
+ else
+ { return new Context(doc, copyState(doc.mode, saved), line) }
+ };
+
+ Context.prototype.save = function (copy) {
+ var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
+ return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
+ };
+
+
+ // Compute a style array (an array starting with a mode generation
+ // -- for invalidation -- followed by pairs of end positions and
+ // style strings), which is used to highlight the tokens on the
+ // line.
+ function highlightLine(cm, line, context, forceToEnd) {
+ // A styles array always starts with a number identifying the
+ // mode/overlays that it is based on (for easy invalidation).
+ var st = [cm.state.modeGen], lineClasses = {};
+ // Compute the base array of styles
+ runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
+ lineClasses, forceToEnd);
+ var state = context.state;
+
+ // Run overlays, adjust style array.
+ var loop = function ( o ) {
+ context.baseTokens = st;
+ var overlay = cm.state.overlays[o], i = 1, at = 0;
+ context.state = true;
+ runMode(cm, line.text, overlay.mode, context, function (end, style) {
+ var start = i;
+ // Ensure there's a token end at the current position, and that i points at it
+ while (at < end) {
+ var i_end = st[i];
+ if (i_end > end)
+ { st.splice(i, 1, end, st[i+1], i_end); }
+ i += 2;
+ at = Math.min(end, i_end);
+ }
+ if (!style) { return }
+ if (overlay.opaque) {
+ st.splice(start, i - start, end, "overlay " + style);
+ i = start + 2;
+ } else {
+ for (; start < i; start += 2) {
+ var cur = st[start+1];
+ st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
+ }
}
- }
- });
+ }, lineClasses);
+ context.state = state;
+ context.baseTokens = null;
+ context.baseTokenPos = 1;
+ };
- found && this.set('attributes', attrs);
- },
+ for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+ return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
+ }
- /**
- * Init toolbar
- */
- initToolbar: function initToolbar() {
- var model = this;
- if (!model.get('toolbar')) {
- var tb = [];
- if (model.collection) {
- tb.push({
- attributes: { class: 'fa fa-arrow-up' },
- command: 'select-parent'
- });
- }
- if (model.get('draggable')) {
- tb.push({
- attributes: { class: 'fa fa-arrows' },
- command: 'tlb-move'
- });
- }
- if (model.get('copyable')) {
- tb.push({
- attributes: { class: 'fa fa-clone' },
- command: 'tlb-clone'
- });
- }
- if (model.get('removable')) {
- tb.push({
- attributes: { class: 'fa fa-trash-o' },
- command: 'tlb-delete'
- });
+ function getLineStyles(cm, line, updateFrontier) {
+ if (!line.styles || line.styles[0] != cm.state.modeGen) {
+ var context = getContextBefore(cm, lineNo(line));
+ var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
+ var result = highlightLine(cm, line, context);
+ if (resetState) { context.state = resetState; }
+ line.stateAfter = context.save(!resetState);
+ line.styles = result.styles;
+ if (result.classes) { line.styleClasses = result.classes; }
+ else if (line.styleClasses) { line.styleClasses = null; }
+ if (updateFrontier === cm.doc.highlightFrontier)
+ { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
+ }
+ return line.styles
+ }
+
+ function getContextBefore(cm, n, precise) {
+ var doc = cm.doc, display = cm.display;
+ if (!doc.mode.startState) { return new Context(doc, true, n) }
+ var start = findStartLine(cm, n, precise);
+ var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
+ var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
+
+ doc.iter(start, n, function (line) {
+ processLine(cm, line.text, context);
+ var pos = context.line;
+ line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
+ context.nextLine();
+ });
+ if (precise) { doc.modeFrontier = context.line; }
+ return context
+ }
+
+ // Lightweight form of highlight -- proceed over this line and
+ // update state, but don't save a style array. Used for lines that
+ // aren't currently visible.
+ function processLine(cm, text, context, startAt) {
+ var mode = cm.doc.mode;
+ var stream = new StringStream(text, cm.options.tabSize, context);
+ stream.start = stream.pos = startAt || 0;
+ if (text == "") { callBlankLine(mode, context.state); }
+ while (!stream.eol()) {
+ readToken(mode, stream, context.state);
+ stream.start = stream.pos;
+ }
+ }
+
+ function callBlankLine(mode, state) {
+ if (mode.blankLine) { return mode.blankLine(state) }
+ if (!mode.innerMode) { return }
+ var inner = innerMode(mode, state);
+ if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
+ }
+
+ function readToken(mode, stream, state, inner) {
+ for (var i = 0; i < 10; i++) {
+ if (inner) { inner[0] = innerMode(mode, state).mode; }
+ var style = mode.token(stream, state);
+ if (stream.pos > stream.start) { return style }
+ }
+ throw new Error("Mode " + mode.name + " failed to advance stream.")
+ }
+
+ var Token = function(stream, type, state) {
+ this.start = stream.start; this.end = stream.pos;
+ this.string = stream.current();
+ this.type = type || null;
+ this.state = state;
+ };
+
+ // Utility for getTokenAt and getLineTokens
+ function takeToken(cm, pos, precise, asArray) {
+ var doc = cm.doc, mode = doc.mode, style;
+ pos = clipPos(doc, pos);
+ var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
+ var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
+ if (asArray) { tokens = []; }
+ while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
+ stream.start = stream.pos;
+ style = readToken(mode, stream, context.state);
+ if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
+ }
+ return asArray ? tokens : new Token(stream, style, context.state)
+ }
+
+ function extractLineClasses(type, output) {
+ if (type) { for (;;) {
+ var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
+ if (!lineClass) { break }
+ type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
+ var prop = lineClass[1] ? "bgClass" : "textClass";
+ if (output[prop] == null)
+ { output[prop] = lineClass[2]; }
+ else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
+ { output[prop] += " " + lineClass[2]; }
+ } }
+ return type
+ }
+
+ // Run the given mode's parser over a line, calling f for each token.
+ function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
+ var flattenSpans = mode.flattenSpans;
+ if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
+ var curStart = 0, curStyle = null;
+ var stream = new StringStream(text, cm.options.tabSize, context), style;
+ var inner = cm.options.addModeClass && [null];
+ if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
+ while (!stream.eol()) {
+ if (stream.pos > cm.options.maxHighlightLength) {
+ flattenSpans = false;
+ if (forceToEnd) { processLine(cm, text, context, stream.pos); }
+ stream.pos = text.length;
+ style = null;
+ } else {
+ style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
+ }
+ if (inner) {
+ var mName = inner[0].name;
+ if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
+ }
+ if (!flattenSpans || curStyle != style) {
+ while (curStart < stream.start) {
+ curStart = Math.min(stream.start, curStart + 5000);
+ f(curStart, curStyle);
+ }
+ curStyle = style;
+ }
+ stream.start = stream.pos;
+ }
+ while (curStart < stream.pos) {
+ // Webkit seems to refuse to render text nodes longer than 57444
+ // characters, and returns inaccurate measurements in nodes
+ // starting around 5000 chars.
+ var pos = Math.min(stream.pos, curStart + 5000);
+ f(pos, curStyle);
+ curStart = pos;
+ }
+ }
+
+ // Finds the line to start with when starting a parse. Tries to
+ // find a line with a stateAfter, so that it can start with a
+ // valid state. If that fails, it returns the line with the
+ // smallest indentation, which tends to need the least context to
+ // parse correctly.
+ function findStartLine(cm, n, precise) {
+ var minindent, minline, doc = cm.doc;
+ var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
+ for (var search = n; search > lim; --search) {
+ if (search <= doc.first) { return doc.first }
+ var line = getLine(doc, search - 1), after = line.stateAfter;
+ if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
+ { return search }
+ var indented = countColumn(line.text, null, cm.options.tabSize);
+ if (minline == null || minindent > indented) {
+ minline = search - 1;
+ minindent = indented;
+ }
+ }
+ return minline
+ }
+
+ function retreatFrontier(doc, n) {
+ doc.modeFrontier = Math.min(doc.modeFrontier, n);
+ if (doc.highlightFrontier < n - 10) { return }
+ var start = doc.first;
+ for (var line = n - 1; line > start; line--) {
+ var saved = getLine(doc, line).stateAfter;
+ // change is on 3
+ // state on line 1 looked ahead 2 -- so saw 3
+ // test 1 + 2 < 3 should cover this
+ if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
+ start = line + 1;
+ break
}
- model.set('toolbar', tb);
}
- },
+ doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
+ }
+ // Optimize some code when these features are not used.
+ var sawReadOnlySpans = false, sawCollapsedSpans = false;
- /**
- * Load traits
- * @param {Array} traits
- * @private
- */
- loadTraits: function loadTraits(traits) {
- var opts = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
+ function seeReadOnlySpans() {
+ sawReadOnlySpans = true;
+ }
- var trt = new Traits([], this.opt);
- trt.setTarget(this);
- traits = traits || this.get('traits');
+ function seeCollapsedSpans() {
+ sawCollapsedSpans = true;
+ }
- if (traits.length) {
- trt.add(traits);
- }
+ // TEXTMARKER SPANS
- this.set('traits', trt, opts);
- return this;
- },
+ function MarkedSpan(marker, from, to) {
+ this.marker = marker;
+ this.from = from; this.to = to;
+ }
+ // Search an array of spans for a span matching the given marker.
+ function getMarkedSpanFor(spans, marker) {
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.marker == marker) { return span }
+ } }
+ }
+ // Remove a span from an array, returning undefined if no spans are
+ // left (we don't store arrays for lines without spans).
+ function removeMarkedSpan(spans, span) {
+ var r;
+ for (var i = 0; i < spans.length; ++i)
+ { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
+ return r
+ }
+ // Add a span to a line.
+ function addMarkedSpan(line, span) {
+ line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
+ span.marker.attachLine(line);
+ }
+
+ // Used for the algorithm that adjusts markers for a change in the
+ // document. These functions cut an array of spans at a given
+ // character position, returning an array of remaining chunks (or
+ // undefined if nothing remains).
+ function markedSpansBefore(old, startCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
+ if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh)
+ ;(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
+ }
+ } }
+ return nw
+ }
+ function markedSpansAfter(old, endCh, isInsert) {
+ var nw;
+ if (old) { for (var i = 0; i < old.length; ++i) {
+ var span = old[i], marker = span.marker;
+ var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
+ if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
+ var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh)
+ ;(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
+ span.to == null ? null : span.to - endCh));
+ }
+ } }
+ return nw
+ }
+
+ // Given a change object, compute the new set of marker spans that
+ // cover the line in which the change took place. Removes spans
+ // entirely within the change, reconnects spans belonging to the
+ // same marker that appear on both sides of the change, and cuts off
+ // spans partially within the change. Returns an array of span
+ // arrays with one element for each line in (after) the change.
+ function stretchSpansOverChange(doc, change) {
+ if (change.full) { return null }
+ var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
+ var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
+ if (!oldFirst && !oldLast) { return null }
+
+ var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
+ // Get the spans that 'stick out' on both sides
+ var first = markedSpansBefore(oldFirst, startCh, isInsert);
+ var last = markedSpansAfter(oldLast, endCh, isInsert);
+
+ // Next, merge those two ends
+ var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
+ if (first) {
+ // Fix up .to properties of first
+ for (var i = 0; i < first.length; ++i) {
+ var span = first[i];
+ if (span.to == null) {
+ var found = getMarkedSpanFor(last, span.marker);
+ if (!found) { span.to = startCh; }
+ else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
+ }
+ }
+ }
+ if (last) {
+ // Fix up .from in last (or move them into first in case of sameLine)
+ for (var i$1 = 0; i$1 < last.length; ++i$1) {
+ var span$1 = last[i$1];
+ if (span$1.to != null) { span$1.to += offset; }
+ if (span$1.from == null) {
+ var found$1 = getMarkedSpanFor(first, span$1.marker);
+ if (!found$1) {
+ span$1.from = offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ } else {
+ span$1.from += offset;
+ if (sameLine) { (first || (first = [])).push(span$1); }
+ }
+ }
+ }
+ // Make sure we didn't create any zero-length spans
+ if (first) { first = clearEmptySpans(first); }
+ if (last && last != first) { last = clearEmptySpans(last); }
- /**
- * Normalize input classes from array to array of objects
- * @param {Array} arr
- * @return {Array}
- * @private
- */
- normalizeClasses: function normalizeClasses(arr) {
- var res = [];
+ var newMarkers = [first];
+ if (!sameLine) {
+ // Fill gap with whole-line-spans
+ var gap = change.text.length - 2, gapMarkers;
+ if (gap > 0 && first)
+ { for (var i$2 = 0; i$2 < first.length; ++i$2)
+ { if (first[i$2].to == null)
+ { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
+ for (var i$3 = 0; i$3 < gap; ++i$3)
+ { newMarkers.push(gapMarkers); }
+ newMarkers.push(last);
+ }
+ return newMarkers
+ }
- if (!this.sm.get) return;
+ // Remove spans that are empty and don't have a clearWhenEmpty
+ // option of false.
+ function clearEmptySpans(spans) {
+ for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
+ { spans.splice(i--, 1); }
+ }
+ if (!spans.length) { return null }
+ return spans
+ }
- var clm = this.sm.get('SelectorManager');
- if (!clm) return;
+ // Used to 'clip' out readOnly ranges when making a change.
+ function removeReadOnlyRanges(doc, from, to) {
+ var markers = null;
+ doc.iter(from.line, to.line + 1, function (line) {
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var mark = line.markedSpans[i].marker;
+ if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
+ { (markers || (markers = [])).push(mark); }
+ } }
+ });
+ if (!markers) { return null }
+ var parts = [{from: from, to: to}];
+ for (var i = 0; i < markers.length; ++i) {
+ var mk = markers[i], m = mk.find(0);
+ for (var j = 0; j < parts.length; ++j) {
+ var p = parts[j];
+ if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
+ var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
+ if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
+ { newParts.push({from: p.from, to: m.from}); }
+ if (dto > 0 || !mk.inclusiveRight && !dto)
+ { newParts.push({from: m.to, to: p.to}); }
+ parts.splice.apply(parts, newParts);
+ j += newParts.length - 3;
+ }
+ }
+ return parts
+ }
- arr.forEach(function (val) {
- var name = '';
+ // Connect or disconnect spans from a line.
+ function detachMarkedSpans(line) {
+ var spans = line.markedSpans;
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.detachLine(line); }
+ line.markedSpans = null;
+ }
+ function attachMarkedSpans(line, spans) {
+ if (!spans) { return }
+ for (var i = 0; i < spans.length; ++i)
+ { spans[i].marker.attachLine(line); }
+ line.markedSpans = spans;
+ }
+
+ // Helpers used when computing which overlapping collapsed span
+ // counts as the larger one.
+ function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
+ function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
+
+ // Returns a number indicating which of two overlapping collapsed
+ // spans is larger (and thus includes the other). Falls back to
+ // comparing ids when the spans cover exactly the same range.
+ function compareCollapsedMarkers(a, b) {
+ var lenDiff = a.lines.length - b.lines.length;
+ if (lenDiff != 0) { return lenDiff }
+ var aPos = a.find(), bPos = b.find();
+ var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
+ if (fromCmp) { return -fromCmp }
+ var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
+ if (toCmp) { return toCmp }
+ return b.id - a.id
+ }
+
+ // Find out whether a line ends or starts in a collapsed span. If
+ // so, return the marker for that span.
+ function collapsedSpanAtSide(line, start) {
+ var sps = sawCollapsedSpans && line.markedSpans, found;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
+ (!found || compareCollapsedMarkers(found, sp.marker) < 0))
+ { found = sp.marker; }
+ } }
+ return found
+ }
+ function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
+ function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
- if (typeof val === 'string') name = val;else name = val.name;
+ function collapsedSpanAround(line, ch) {
+ var sps = sawCollapsedSpans && line.markedSpans, found;
+ if (sps) { for (var i = 0; i < sps.length; ++i) {
+ var sp = sps[i];
+ if (sp.marker.collapsed && (sp.from == null || sp.from < ch) && (sp.to == null || sp.to > ch) &&
+ (!found || compareCollapsedMarkers(found, sp.marker) < 0)) { found = sp.marker; }
+ } }
+ return found
+ }
- var model = clm.add(name);
- res.push(model);
+ // Test whether there exists a collapsed span that partially
+ // overlaps (covers the start or end, but not both) of a new span.
+ // Such overlap is not allowed.
+ function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {
+ var line = getLine(doc, lineNo$$1);
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i) {
+ var sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ var found = sp.marker.find(0);
+ var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
+ var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
+ if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
+ if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
+ fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
+ { return true }
+ } }
+ }
+
+ // A visual line is a line as drawn on the screen. Folding, for
+ // example, can cause multiple logical lines to appear on the same
+ // visual line. This finds the start of the visual line that the
+ // given line is part of (usually that is the line itself).
+ function visualLine(line) {
+ var merged;
+ while (merged = collapsedSpanAtStart(line))
+ { line = merged.find(-1, true).line; }
+ return line
+ }
+
+ function visualLineEnd(line) {
+ var merged;
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return line
+ }
+
+ // Returns an array of logical lines that continue the visual line
+ // started by the argument, or undefined if there are no such lines.
+ function visualLineContinued(line) {
+ var merged, lines;
+ while (merged = collapsedSpanAtEnd(line)) {
+ line = merged.find(1, true).line
+ ;(lines || (lines = [])).push(line);
+ }
+ return lines
+ }
+
+ // Get the line number of the start of the visual line that the
+ // given line number is part of.
+ function visualLineNo(doc, lineN) {
+ var line = getLine(doc, lineN), vis = visualLine(line);
+ if (line == vis) { return lineN }
+ return lineNo(vis)
+ }
+
+ // Get the line number of the start of the next visual line after
+ // the given line.
+ function visualLineEndNo(doc, lineN) {
+ if (lineN > doc.lastLine()) { return lineN }
+ var line = getLine(doc, lineN), merged;
+ if (!lineIsHidden(doc, line)) { return lineN }
+ while (merged = collapsedSpanAtEnd(line))
+ { line = merged.find(1, true).line; }
+ return lineNo(line) + 1
+ }
+
+ // Compute whether a line is hidden. Lines count as hidden when they
+ // are part of a visual line that starts with another line, or when
+ // they are entirely covered by collapsed, non-widget span.
+ function lineIsHidden(doc, line) {
+ var sps = sawCollapsedSpans && line.markedSpans;
+ if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
+ sp = sps[i];
+ if (!sp.marker.collapsed) { continue }
+ if (sp.from == null) { return true }
+ if (sp.marker.widgetNode) { continue }
+ if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
+ { return true }
+ } }
+ }
+ function lineIsHiddenInner(doc, line, span) {
+ if (span.to == null) {
+ var end = span.marker.find(1, true);
+ return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
+ }
+ if (span.marker.inclusiveRight && span.to == line.text.length)
+ { return true }
+ for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
+ sp = line.markedSpans[i];
+ if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
+ (sp.to == null || sp.to != span.from) &&
+ (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
+ lineIsHiddenInner(doc, line, sp)) { return true }
+ }
+ }
+
+ // Find the height above the given line.
+ function heightAtLine(lineObj) {
+ lineObj = visualLine(lineObj);
+
+ var h = 0, chunk = lineObj.parent;
+ for (var i = 0; i < chunk.lines.length; ++i) {
+ var line = chunk.lines[i];
+ if (line == lineObj) { break }
+ else { h += line.height; }
+ }
+ for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
+ for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
+ var cur = p.children[i$1];
+ if (cur == chunk) { break }
+ else { h += cur.height; }
+ }
+ }
+ return h
+ }
+
+ // Compute the character length of a line, taking into account
+ // collapsed ranges (see markText) that might hide parts, and join
+ // other lines onto it.
+ function lineLength(line) {
+ if (line.height == 0) { return 0 }
+ var len = line.text.length, merged, cur = line;
+ while (merged = collapsedSpanAtStart(cur)) {
+ var found = merged.find(0, true);
+ cur = found.from.line;
+ len += found.from.ch - found.to.ch;
+ }
+ cur = line;
+ while (merged = collapsedSpanAtEnd(cur)) {
+ var found$1 = merged.find(0, true);
+ len -= cur.text.length - found$1.from.ch;
+ cur = found$1.to.line;
+ len += cur.text.length - found$1.to.ch;
+ }
+ return len
+ }
+
+ // Find the longest line in the document.
+ function findMaxLine(cm) {
+ var d = cm.display, doc = cm.doc;
+ d.maxLine = getLine(doc, doc.first);
+ d.maxLineLength = lineLength(d.maxLine);
+ d.maxLineChanged = true;
+ doc.iter(function (line) {
+ var len = lineLength(line);
+ if (len > d.maxLineLength) {
+ d.maxLineLength = len;
+ d.maxLine = line;
+ }
});
- return res;
- },
+ }
+ // LINE DATA STRUCTURE
- /**
- * Override original clone method
- * @private
- */
- clone: function clone(reset) {
- var em = this.em;
- var style = this.getStyle();
- var attr = _extends({}, this.attributes);
- attr.attributes = _extends({}, attr.attributes);
- delete attr.attributes.id;
- attr.components = [];
- attr.classes = [];
- attr.traits = [];
+ // Line objects. These hold state related to a line, including
+ // highlighting info (the styles array).
+ var Line = function(text, markedSpans, estimateHeight) {
+ this.text = text;
+ attachMarkedSpans(this, markedSpans);
+ this.height = estimateHeight ? estimateHeight(this) : 1;
+ };
- this.get('components').each(function (md, i) {
- attr.components[i] = md.clone(1);
- });
- this.get('traits').each(function (md, i) {
- attr.traits[i] = md.clone();
- });
- this.get('classes').each(function (md, i) {
- attr.classes[i] = md.get('name');
- });
+ Line.prototype.lineNo = function () { return lineNo(this) };
+ eventMixin(Line);
- attr.status = '';
- attr.view = '';
+ // Change the content (text, markers) of a line. Automatically
+ // invalidates cached information and tries to re-estimate the
+ // line's height.
+ function updateLine(line, text, markedSpans, estimateHeight) {
+ line.text = text;
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ if (line.order != null) { line.order = null; }
+ detachMarkedSpans(line);
+ attachMarkedSpans(line, markedSpans);
+ var estHeight = estimateHeight ? estimateHeight(line) : 1;
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+ }
- if (reset) {
- this.opt.collection = null;
+ // Detach a line from the document tree and its markers.
+ function cleanUpLine(line) {
+ line.parent = null;
+ detachMarkedSpans(line);
+ }
+
+ // Convert a style as returned by a mode (either null, or a string
+ // containing one or more styles) to a CSS style. This is cached,
+ // and also looks for line-wide styles.
+ var styleToClassCache = {}, styleToClassCacheWithMode = {};
+ function interpretTokenStyle(style, options) {
+ if (!style || /^\s*$/.test(style)) { return null }
+ var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
+ return cache[style] ||
+ (cache[style] = style.replace(/\S+/g, "cm-$&"))
+ }
+
+ // Render the DOM representation of the text of a line. Also builds
+ // up a 'line map', which points at the DOM nodes that represent
+ // specific stretches of text, and is used by the measuring code.
+ // The returned object contains the DOM node, this map, and
+ // information about line-wide styles that were set by the mode.
+ function buildLineContent(cm, lineView) {
+ // The padding-right forces the element to have a 'border', which
+ // is needed on Webkit to be able to get line-level bounding
+ // rectangles for it (in measureChar).
+ var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
+ var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
+ col: 0, pos: 0, cm: cm,
+ trailingSpace: false,
+ splitSpaces: cm.getOption("lineWrapping")};
+ lineView.measure = {};
+
+ // Iterate over the logical lines that make up this visual line.
+ for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
+ var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
+ builder.pos = 0;
+ builder.addToken = buildToken;
+ // Optionally wire in some hacks into the token-rendering
+ // algorithm, to deal with browser quirks.
+ if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
+ { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
+ builder.map = [];
+ var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
+ insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
+ if (line.styleClasses) {
+ if (line.styleClasses.bgClass)
+ { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
+ if (line.styleClasses.textClass)
+ { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
+ }
+
+ // Ensure at least a single node is present, for measuring.
+ if (builder.map.length == 0)
+ { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }
+
+ // Store the map and a cache object for the current logical line
+ if (i == 0) {
+ lineView.measure.map = builder.map;
+ lineView.measure.cache = {};
+ } else {
+ (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
+ ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
+ }
}
- if (em && em.getConfig('avoidInlineStyle') && !(0, _underscore.isEmpty)(style)) {
- attr.style = style;
+ // See issue #2901
+ if (webkit) {
+ var last = builder.content.lastChild;
+ if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
+ { builder.content.className = "cm-tab-wrap-hack"; }
}
- return new this.constructor(attr, this.opt);
- },
+ signal(cm, "renderLine", cm, lineView.line, builder.pre);
+ if (builder.pre.className)
+ { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }
+ return builder
+ }
- /**
- * Get the name of the component
- * @return {string}
- * */
- getName: function getName() {
- var customName = this.get('name') || this.get('custom-name');
- var tag = this.get('tagName');
- tag = tag == 'div' ? 'box' : tag;
- var name = this.get('type') || tag;
- name = name.charAt(0).toUpperCase() + name.slice(1);
- return customName || name;
- },
+ function defaultSpecialCharPlaceholder(ch) {
+ var token = elt("span", "\u2022", "cm-invalidchar");
+ token.title = "\\u" + ch.charCodeAt(0).toString(16);
+ token.setAttribute("aria-label", token.title);
+ return token
+ }
+ // Build up the DOM representation for a single token, and add it to
+ // the line map. Takes care to render special characters separately.
+ function buildToken(builder, text, style, startStyle, endStyle, css, attributes) {
+ if (!text) { return }
+ var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
+ var special = builder.cm.state.specialChars, mustWrap = false;
+ var content;
+ if (!special.test(text)) {
+ builder.col += text.length;
+ content = document.createTextNode(displayText);
+ builder.map.push(builder.pos, builder.pos + text.length, content);
+ if (ie && ie_version < 9) { mustWrap = true; }
+ builder.pos += text.length;
+ } else {
+ content = document.createDocumentFragment();
+ var pos = 0;
+ while (true) {
+ special.lastIndex = pos;
+ var m = special.exec(text);
+ var skipped = m ? m.index - pos : text.length - pos;
+ if (skipped) {
+ var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
+ else { content.appendChild(txt); }
+ builder.map.push(builder.pos, builder.pos + skipped, txt);
+ builder.col += skipped;
+ builder.pos += skipped;
+ }
+ if (!m) { break }
+ pos += skipped + 1;
+ var txt$1 = (void 0);
+ if (m[0] == "\t") {
+ var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
+ txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
+ txt$1.setAttribute("role", "presentation");
+ txt$1.setAttribute("cm-text", "\t");
+ builder.col += tabWidth;
+ } else if (m[0] == "\r" || m[0] == "\n") {
+ txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
+ txt$1.setAttribute("cm-text", m[0]);
+ builder.col += 1;
+ } else {
+ txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
+ txt$1.setAttribute("cm-text", m[0]);
+ if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
+ else { content.appendChild(txt$1); }
+ builder.col += 1;
+ }
+ builder.map.push(builder.pos, builder.pos + 1, txt$1);
+ builder.pos++;
+ }
+ }
+ builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
+ if (style || startStyle || endStyle || mustWrap || css) {
+ var fullStyle = style || "";
+ if (startStyle) { fullStyle += startStyle; }
+ if (endStyle) { fullStyle += endStyle; }
+ var token = elt("span", [content], fullStyle, css);
+ if (attributes) {
+ for (var attr in attributes) { if (attributes.hasOwnProperty(attr) && attr != "style" && attr != "class")
+ { token.setAttribute(attr, attributes[attr]); } }
+ }
+ return builder.content.appendChild(token)
+ }
+ builder.content.appendChild(content);
+ }
+
+ // Change some spaces to NBSP to prevent the browser from collapsing
+ // trailing spaces at the end of a line when rendering text (issue #1362).
+ function splitSpaces(text, trailingBefore) {
+ if (text.length > 1 && !/ /.test(text)) { return text }
+ var spaceBefore = trailingBefore, result = "";
+ for (var i = 0; i < text.length; i++) {
+ var ch = text.charAt(i);
+ if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
+ { ch = "\u00a0"; }
+ result += ch;
+ spaceBefore = ch == " ";
+ }
+ return result
+ }
- /**
- * Get the icon string
- * @return {string}
- */
- getIcon: function getIcon() {
- var icon = this.get('icon');
- return icon ? icon + ' ' : '';
- },
+ // Work around nonsense dimensions being reported for stretches of
+ // right-to-left text.
+ function buildTokenBadBidi(inner, order) {
+ return function (builder, text, style, startStyle, endStyle, css, attributes) {
+ style = style ? style + " cm-force-border" : "cm-force-border";
+ var start = builder.pos, end = start + text.length;
+ for (;;) {
+ // Find the part that overlaps with the start of this text
+ var part = (void 0);
+ for (var i = 0; i < order.length; i++) {
+ part = order[i];
+ if (part.to > start && part.from <= start) { break }
+ }
+ if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, css, attributes) }
+ inner(builder, text.slice(0, part.to - start), style, startStyle, null, css, attributes);
+ startStyle = null;
+ text = text.slice(part.to - start);
+ start = part.to;
+ }
+ }
+ }
+ function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
+ var widget = !ignoreWidget && marker.widgetNode;
+ if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
+ if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
+ if (!widget)
+ { widget = builder.content.appendChild(document.createElement("span")); }
+ widget.setAttribute("cm-marker", marker.id);
+ }
+ if (widget) {
+ builder.cm.display.input.setUneditable(widget);
+ builder.content.appendChild(widget);
+ }
+ builder.pos += size;
+ builder.trailingSpace = false;
+ }
- /**
- * Return HTML string of the component
- * @param {Object} opts Options
- * @return {string} HTML string
- * @private
- */
- toHTML: function toHTML(opts) {
- var model = this;
- var attrs = [];
- var classes = [];
- var tag = model.get('tagName');
- var sTag = model.get('void');
- var attributes = this.getAttrToHTML();
+ // Outputs a number of spans to make up a line, taking highlighting
+ // and marked text into account.
+ function insertLineContent(line, builder, styles) {
+ var spans = line.markedSpans, allText = line.text, at = 0;
+ if (!spans) {
+ for (var i$1 = 1; i$1 < styles.length; i$1+=2)
+ { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
+ return
+ }
- for (var attr in attributes) {
- var value = attributes[attr];
+ var len = allText.length, pos = 0, i = 1, text = "", style, css;
+ var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, collapsed, attributes;
+ for (;;) {
+ if (nextChange == pos) { // Update current marker set
+ spanStyle = spanEndStyle = spanStartStyle = css = "";
+ attributes = null;
+ collapsed = null; nextChange = Infinity;
+ var foundBookmarks = [], endStyles = (void 0);
+ for (var j = 0; j < spans.length; ++j) {
+ var sp = spans[j], m = sp.marker;
+ if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
+ foundBookmarks.push(m);
+ } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
+ if (sp.to != null && sp.to != pos && nextChange > sp.to) {
+ nextChange = sp.to;
+ spanEndStyle = "";
+ }
+ if (m.className) { spanStyle += " " + m.className; }
+ if (m.css) { css = (css ? css + ";" : "") + m.css; }
+ if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
+ if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
+ // support for the old title property
+ // https://github.com/codemirror/CodeMirror/pull/5673
+ if (m.title) { (attributes || (attributes = {})).title = m.title; }
+ if (m.attributes) {
+ for (var attr in m.attributes)
+ { (attributes || (attributes = {}))[attr] = m.attributes[attr]; }
+ }
+ if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
+ { collapsed = sp; }
+ } else if (sp.from > pos && nextChange > sp.from) {
+ nextChange = sp.from;
+ }
+ }
+ if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
+ { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }
- if (!(0, _underscore.isUndefined)(value)) {
- attrs.push(attr + '="' + value + '"');
+ if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
+ { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
+ if (collapsed && (collapsed.from || 0) == pos) {
+ buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
+ collapsed.marker, collapsed.from == null);
+ if (collapsed.to == null) { return }
+ if (collapsed.to == pos) { collapsed = false; }
+ }
}
- }
+ if (pos >= len) { break }
- var attrString = attrs.length ? ' ' + attrs.join(' ') : '';
- var code = '<' + tag + attrString + (sTag ? '/' : '') + '>' + model.get('content');
- model.get('components').each(function (comp) {
- return code += comp.toHTML();
- });
- !sTag && (code += '' + tag + '>');
+ var upto = Math.min(len, nextChange);
+ while (true) {
+ if (text) {
+ var end = pos + text.length;
+ if (!collapsed) {
+ var tokenText = end > upto ? text.slice(0, upto - pos) : text;
+ builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
+ spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", css, attributes);
+ }
+ if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
+ pos = end;
+ spanStartStyle = "";
+ }
+ text = allText.slice(at, at = styles[i++]);
+ style = interpretTokenStyle(styles[i++], builder.cm.options);
+ }
+ }
+ }
- return code;
- },
+ // These objects are used to represent the visible (currently drawn)
+ // part of the document. A LineView may correspond to multiple
+ // logical lines, if those are connected by collapsed ranges.
+ function LineView(doc, line, lineN) {
+ // The starting line
+ this.line = line;
+ // Continuing lines, if any
+ this.rest = visualLineContinued(line);
+ // Number of logical lines in this visual line
+ this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
+ this.node = this.text = null;
+ this.hidden = lineIsHidden(doc, line);
+ }
- /**
- * Returns object of attributes for HTML
- * @return {Object}
- * @private
- */
- getAttrToHTML: function getAttrToHTML() {
- var attr = this.getAttributes();
- delete attr.style;
- return attr;
- },
+ // Create a range of LineView objects for the given lines.
+ function buildViewArray(cm, from, to) {
+ var array = [], nextPos;
+ for (var pos = from; pos < to; pos = nextPos) {
+ var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
+ nextPos = pos + view.size;
+ array.push(view);
+ }
+ return array
+ }
+ var operationGroup = null;
- /**
- * Return a shallow copy of the model's attributes for JSON
- * stringification.
- * @return {Object}
- * @private
- */
- toJSON: function toJSON() {
- for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
- args[_key] = arguments[_key];
+ function pushOperation(op) {
+ if (operationGroup) {
+ operationGroup.ops.push(op);
+ } else {
+ op.ownsGroup = operationGroup = {
+ ops: [op],
+ delayedCallbacks: []
+ };
}
+ }
- var obj = Backbone.Model.prototype.toJSON.apply(this, args);
- var scriptStr = this.getScriptString();
- delete obj.toolbar;
+ function fireCallbacksForOps(group) {
+ // Calls delayed callbacks and cursorActivity handlers until no
+ // new ones appear
+ var callbacks = group.delayedCallbacks, i = 0;
+ do {
+ for (; i < callbacks.length; i++)
+ { callbacks[i].call(null); }
+ for (var j = 0; j < group.ops.length; j++) {
+ var op = group.ops[j];
+ if (op.cursorActivityHandlers)
+ { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
+ { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
+ }
+ } while (i < callbacks.length)
+ }
+
+ function finishOperation(op, endCb) {
+ var group = op.ownsGroup;
+ if (!group) { return }
+
+ try { fireCallbacksForOps(group); }
+ finally {
+ operationGroup = null;
+ endCb(group);
+ }
+ }
+
+ var orphanDelayedCallbacks = null;
+
+ // Often, we want to signal events at a point where we are in the
+ // middle of some work, but don't want the handler to start calling
+ // other methods on the editor, which might be in an inconsistent
+ // state or simply not expect any other events to happen.
+ // signalLater looks whether there are any handlers, and schedules
+ // them to be executed when the last operation ends, or, if no
+ // operation is active, when a timeout fires.
+ function signalLater(emitter, type /*, values...*/) {
+ var arr = getHandlers(emitter, type);
+ if (!arr.length) { return }
+ var args = Array.prototype.slice.call(arguments, 2), list;
+ if (operationGroup) {
+ list = operationGroup.delayedCallbacks;
+ } else if (orphanDelayedCallbacks) {
+ list = orphanDelayedCallbacks;
+ } else {
+ list = orphanDelayedCallbacks = [];
+ setTimeout(fireOrphanDelayed, 0);
+ }
+ var loop = function ( i ) {
+ list.push(function () { return arr[i].apply(null, args); });
+ };
- if (scriptStr) {
- obj.script = scriptStr;
+ for (var i = 0; i < arr.length; ++i)
+ loop( i );
+ }
+
+ function fireOrphanDelayed() {
+ var delayed = orphanDelayedCallbacks;
+ orphanDelayedCallbacks = null;
+ for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
+ }
+
+ // When an aspect of a line changes, a string is added to
+ // lineView.changes. This updates the relevant part of the line's
+ // DOM structure.
+ function updateLineForChanges(cm, lineView, lineN, dims) {
+ for (var j = 0; j < lineView.changes.length; j++) {
+ var type = lineView.changes[j];
+ if (type == "text") { updateLineText(cm, lineView); }
+ else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
+ else if (type == "class") { updateLineClasses(cm, lineView); }
+ else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
+ }
+ lineView.changes = null;
+ }
+
+ // Lines with gutter elements, widgets or a background class need to
+ // be wrapped, and have the extra elements added to the wrapper div
+ function ensureLineWrapped(lineView) {
+ if (lineView.node == lineView.text) {
+ lineView.node = elt("div", null, null, "position: relative");
+ if (lineView.text.parentNode)
+ { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
+ lineView.node.appendChild(lineView.text);
+ if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
+ }
+ return lineView.node
+ }
+
+ function updateLineBackground(cm, lineView) {
+ var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
+ if (cls) { cls += " CodeMirror-linebackground"; }
+ if (lineView.background) {
+ if (cls) { lineView.background.className = cls; }
+ else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
+ } else if (cls) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
+ cm.display.input.setUneditable(lineView.background);
+ }
+ }
+
+ // Wrapper around buildLineContent which will reuse the structure
+ // in display.externalMeasured when possible.
+ function getLineContent(cm, lineView) {
+ var ext = cm.display.externalMeasured;
+ if (ext && ext.line == lineView.line) {
+ cm.display.externalMeasured = null;
+ lineView.measure = ext.measure;
+ return ext.built
+ }
+ return buildLineContent(cm, lineView)
+ }
+
+ // Redraw the line's text. Interacts with the background and text
+ // classes because the mode may output tokens that influence these
+ // classes.
+ function updateLineText(cm, lineView) {
+ var cls = lineView.text.className;
+ var built = getLineContent(cm, lineView);
+ if (lineView.text == lineView.node) { lineView.node = built.pre; }
+ lineView.text.parentNode.replaceChild(built.pre, lineView.text);
+ lineView.text = built.pre;
+ if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
+ lineView.bgClass = built.bgClass;
+ lineView.textClass = built.textClass;
+ updateLineClasses(cm, lineView);
+ } else if (cls) {
+ lineView.text.className = cls;
+ }
+ }
+
+ function updateLineClasses(cm, lineView) {
+ updateLineBackground(cm, lineView);
+ if (lineView.line.wrapClass)
+ { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
+ else if (lineView.node != lineView.text)
+ { lineView.node.className = ""; }
+ var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
+ lineView.text.className = textClass || "";
+ }
+
+ function updateLineGutter(cm, lineView, lineN, dims) {
+ if (lineView.gutter) {
+ lineView.node.removeChild(lineView.gutter);
+ lineView.gutter = null;
+ }
+ if (lineView.gutterBackground) {
+ lineView.node.removeChild(lineView.gutterBackground);
+ lineView.gutterBackground = null;
+ }
+ if (lineView.line.gutterClass) {
+ var wrap = ensureLineWrapped(lineView);
+ lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
+ ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(lineView.gutterBackground);
+ wrap.insertBefore(lineView.gutterBackground, lineView.text);
+ }
+ var markers = lineView.line.gutterMarkers;
+ if (cm.options.lineNumbers || markers) {
+ var wrap$1 = ensureLineWrapped(lineView);
+ var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
+ cm.display.input.setUneditable(gutterWrap);
+ wrap$1.insertBefore(gutterWrap, lineView.text);
+ if (lineView.line.gutterClass)
+ { gutterWrap.className += " " + lineView.line.gutterClass; }
+ if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
+ { lineView.lineNumber = gutterWrap.appendChild(
+ elt("div", lineNumberFor(cm.options, lineN),
+ "CodeMirror-linenumber CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
+ if (markers) { for (var k = 0; k < cm.display.gutterSpecs.length; ++k) {
+ var id = cm.display.gutterSpecs[k].className, found = markers.hasOwnProperty(id) && markers[id];
+ if (found)
+ { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
+ ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
+ } }
}
+ }
- return obj;
- },
+ function updateLineWidgets(cm, lineView, dims) {
+ if (lineView.alignable) { lineView.alignable = null; }
+ for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
+ next = node.nextSibling;
+ if (node.className == "CodeMirror-linewidget")
+ { lineView.node.removeChild(node); }
+ }
+ insertLineWidgets(cm, lineView, dims);
+ }
+ // Build a line's DOM representation from scratch
+ function buildLineElement(cm, lineView, lineN, dims) {
+ var built = getLineContent(cm, lineView);
+ lineView.text = lineView.node = built.pre;
+ if (built.bgClass) { lineView.bgClass = built.bgClass; }
+ if (built.textClass) { lineView.textClass = built.textClass; }
- /**
- * Return model id
- * @return {string}
- */
- getId: function getId() {
- var attrs = this.get('attributes') || {};
- return attrs.id || this.cid;
- },
+ updateLineClasses(cm, lineView);
+ updateLineGutter(cm, lineView, lineN, dims);
+ insertLineWidgets(cm, lineView, dims);
+ return lineView.node
+ }
+ // A lineView may contain multiple logical lines (when merged by
+ // collapsed spans). The widgets for all of them need to be drawn.
+ function insertLineWidgets(cm, lineView, dims) {
+ insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
+ }
- /**
- * Return script in string format, cleans 'function() {..' from scripts
- * if it's a function
- * @param {string|Function} script
- * @return {string}
- * @private
- */
- getScriptString: function getScriptString(script) {
- var _this4 = this;
+ function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
+ if (!line.widgets) { return }
+ var wrap = ensureLineWrapped(lineView);
+ for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
+ var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
+ if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
+ positionLineWidget(widget, node, lineView, dims);
+ cm.display.input.setUneditable(node);
+ if (allowAbove && widget.above)
+ { wrap.insertBefore(node, lineView.gutter || lineView.text); }
+ else
+ { wrap.appendChild(node); }
+ signalLater(widget, "redraw");
+ }
+ }
- var scr = script || this.get('script');
+ function positionLineWidget(widget, node, lineView, dims) {
+ if (widget.noHScroll) {
+ (lineView.alignable || (lineView.alignable = [])).push(node);
+ var width = dims.wrapperWidth;
+ node.style.left = dims.fixedPos + "px";
+ if (!widget.coverGutter) {
+ width -= dims.gutterTotalWidth;
+ node.style.paddingLeft = dims.gutterTotalWidth + "px";
+ }
+ node.style.width = width + "px";
+ }
+ if (widget.coverGutter) {
+ node.style.zIndex = 5;
+ node.style.position = "relative";
+ if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
+ }
+ }
- if (!scr) {
- return scr;
+ function widgetHeight(widget) {
+ if (widget.height != null) { return widget.height }
+ var cm = widget.doc.cm;
+ if (!cm) { return 0 }
+ if (!contains(document.body, widget.node)) {
+ var parentStyle = "position: relative;";
+ if (widget.coverGutter)
+ { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
+ if (widget.noHScroll)
+ { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
+ removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
}
-
- // Need to convert script functions to strings
- if (typeof scr == 'function') {
- var scrStr = scr.toString().trim();
- scrStr = scrStr.replace(/^function[\s\w]*\(\)\s?\{/, '').replace(/\}$/, '');
- scr = scrStr.trim();
+ return widget.height = widget.node.parentNode.offsetHeight
+ }
+
+ // Return true when the given mouse event happened in a widget
+ function eventInWidget(display, e) {
+ for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
+ if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
+ (n.parentNode == display.sizer && n != display.mover))
+ { return true }
+ }
+ }
+
+ // POSITION MEASUREMENT
+
+ function paddingTop(display) {return display.lineSpace.offsetTop}
+ function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
+ function paddingH(display) {
+ if (display.cachedPaddingH) { return display.cachedPaddingH }
+ var e = removeChildrenAndAdd(display.measure, elt("pre", "x", "CodeMirror-line-like"));
+ var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
+ var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
+ if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
+ return data
+ }
+
+ function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
+ function displayWidth(cm) {
+ return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
+ }
+ function displayHeight(cm) {
+ return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
+ }
+
+ // Ensure the lineView.wrapping.heights array is populated. This is
+ // an array of bottom offsets for the lines that make up a drawn
+ // line. When lineWrapping is on, there might be more than one
+ // height.
+ function ensureLineHeights(cm, lineView, rect) {
+ var wrapping = cm.options.lineWrapping;
+ var curWidth = wrapping && displayWidth(cm);
+ if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
+ var heights = lineView.measure.heights = [];
+ if (wrapping) {
+ lineView.measure.width = curWidth;
+ var rects = lineView.text.firstChild.getClientRects();
+ for (var i = 0; i < rects.length - 1; i++) {
+ var cur = rects[i], next = rects[i + 1];
+ if (Math.abs(cur.bottom - next.bottom) > 2)
+ { heights.push((cur.bottom + next.top) / 2 - rect.top); }
+ }
+ }
+ heights.push(rect.bottom - rect.top);
+ }
+ }
+
+ // Find a line map (mapping character offsets to text nodes) and a
+ // measurement cache for the given line number. (A line view might
+ // contain multiple lines when collapsed ranges are present.)
+ function mapFromLineView(lineView, line, lineN) {
+ if (lineView.line == line)
+ { return {map: lineView.measure.map, cache: lineView.measure.cache} }
+ for (var i = 0; i < lineView.rest.length; i++)
+ { if (lineView.rest[i] == line)
+ { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
+ for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
+ { if (lineNo(lineView.rest[i$1]) > lineN)
+ { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
+ }
+
+ // Render a line into the hidden node display.externalMeasured. Used
+ // when measurement is needed for a line that's not in the viewport.
+ function updateExternalMeasurement(cm, line) {
+ line = visualLine(line);
+ var lineN = lineNo(line);
+ var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
+ view.lineN = lineN;
+ var built = view.built = buildLineContent(cm, view);
+ view.text = built.pre;
+ removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
+ return view
+ }
+
+ // Get a {top, bottom, left, right} box (in line-local coordinates)
+ // for a given character.
+ function measureChar(cm, line, ch, bias) {
+ return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
+ }
+
+ // Find a line view that corresponds to the given line number.
+ function findViewForLine(cm, lineN) {
+ if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
+ { return cm.display.view[findViewIndex(cm, lineN)] }
+ var ext = cm.display.externalMeasured;
+ if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
+ { return ext }
+ }
+
+ // Measurement can be split in two steps, the set-up work that
+ // applies to the whole line, and the measurement of the actual
+ // character. Functions like coordsChar, that need to do a lot of
+ // measurements in a row, can thus ensure that the set-up work is
+ // only done once.
+ function prepareMeasureForLine(cm, line) {
+ var lineN = lineNo(line);
+ var view = findViewForLine(cm, lineN);
+ if (view && !view.text) {
+ view = null;
+ } else if (view && view.changes) {
+ updateLineForChanges(cm, view, lineN, getDimensions(cm));
+ cm.curOp.forceUpdate = true;
}
+ if (!view)
+ { view = updateExternalMeasurement(cm, line); }
- var config = this.sm.config || {};
- var tagVarStart = escapeRegExp(config.tagVarStart || '{[ ');
- var tagVarEnd = escapeRegExp(config.tagVarEnd || ' ]}');
- var reg = new RegExp(tagVarStart + '([\\w\\d-]*)' + tagVarEnd, 'g');
- scr = scr.replace(reg, function (match, v) {
- // If at least one match is found I have to track this change for a
- // better optimization inside JS generator
- _this4.scriptUpdated();
- return _this4.attributes[v] || '';
- });
-
- return scr;
- },
- emitUpdate: function emitUpdate(property) {
- var em = this.em;
- var event = 'component:update' + (property ? ':' + property : '');
- em && em.trigger(event, this.model);
+ var info = mapFromLineView(view, line, lineN);
+ return {
+ line: line, view: view, rect: null,
+ map: info.map, cache: info.cache, before: info.before,
+ hasHeights: false
+ }
}
-}, {
- /**
- * Detect if the passed element is a valid component.
- * In case the element is valid an object abstracted
- * from the element will be returned
- * @param {HTMLElement}
- * @return {Object}
- * @private
- */
- isComponent: function isComponent(el) {
- return { tagName: el.tagName ? el.tagName.toLowerCase() : '' };
+ // Given a prepared measurement object, measures the position of an
+ // actual character (or fetches it from the cache).
+ function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
+ if (prepared.before) { ch = -1; }
+ var key = ch + (bias || ""), found;
+ if (prepared.cache.hasOwnProperty(key)) {
+ found = prepared.cache[key];
+ } else {
+ if (!prepared.rect)
+ { prepared.rect = prepared.view.text.getBoundingClientRect(); }
+ if (!prepared.hasHeights) {
+ ensureLineHeights(cm, prepared.view, prepared.rect);
+ prepared.hasHeights = true;
+ }
+ found = measureCharInner(cm, prepared, ch, bias);
+ if (!found.bogus) { prepared.cache[key] = found; }
+ }
+ return {left: found.left, right: found.right,
+ top: varHeight ? found.rtop : found.top,
+ bottom: varHeight ? found.rbottom : found.bottom}
+ }
+
+ var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
+
+ function nodeAndOffsetInLineMap(map$$1, ch, bias) {
+ var node, start, end, collapse, mStart, mEnd;
+ // First, search the line map for the text node corresponding to,
+ // or closest to, the target character.
+ for (var i = 0; i < map$$1.length; i += 3) {
+ mStart = map$$1[i];
+ mEnd = map$$1[i + 1];
+ if (ch < mStart) {
+ start = 0; end = 1;
+ collapse = "left";
+ } else if (ch < mEnd) {
+ start = ch - mStart;
+ end = start + 1;
+ } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {
+ end = mEnd - mStart;
+ start = end - 1;
+ if (ch >= mEnd) { collapse = "right"; }
+ }
+ if (start != null) {
+ node = map$$1[i + 2];
+ if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
+ { collapse = bias; }
+ if (bias == "left" && start == 0)
+ { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {
+ node = map$$1[(i -= 3) + 2];
+ collapse = "left";
+ } }
+ if (bias == "right" && start == mEnd - mStart)
+ { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {
+ node = map$$1[(i += 3) + 2];
+ collapse = "right";
+ } }
+ break
+ }
+ }
+ return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
}
-});
-/***/ }),
-/* 5 */
-/***/ (function(module, exports, __webpack_require__) {
+ function getUsefulRect(rects, bias) {
+ var rect = nullRect;
+ if (bias == "left") { for (var i = 0; i < rects.length; i++) {
+ if ((rect = rects[i]).left != rect.right) { break }
+ } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
+ if ((rect = rects[i$1]).left != rect.right) { break }
+ } }
+ return rect
+ }
-"use strict";
-/* WEBPACK VAR INJECTION */(function(Backbone) {
+ function measureCharInner(cm, prepared, ch, bias) {
+ var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
+ var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
-var _underscore = __webpack_require__(1);
+ var rect;
+ if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
+ for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
+ while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
+ while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
+ if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
+ { rect = node.parentNode.getBoundingClientRect(); }
+ else
+ { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
+ if (rect.left || rect.right || start == 0) { break }
+ end = start;
+ start = start - 1;
+ collapse = "right";
+ }
+ if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
+ } else { // If it is a widget, simply get the box for the whole widget.
+ if (start > 0) { collapse = bias = "right"; }
+ var rects;
+ if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
+ { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
+ else
+ { rect = node.getBoundingClientRect(); }
+ }
+ if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
+ var rSpan = node.parentNode.getClientRects()[0];
+ if (rSpan)
+ { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
+ else
+ { rect = nullRect; }
+ }
+
+ var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
+ var mid = (rtop + rbot) / 2;
+ var heights = prepared.view.measure.heights;
+ var i = 0;
+ for (; i < heights.length - 1; i++)
+ { if (mid < heights[i]) { break } }
+ var top = i ? heights[i - 1] : 0, bot = heights[i];
+ var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
+ right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
+ top: top, bottom: bot};
+ if (!rect.left && !rect.right) { result.bogus = true; }
+ if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
-var _mixins = __webpack_require__(2);
+ return result
+ }
-function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
+ // Work around problem with bounding client rects on ranges being
+ // returned incorrectly when zoomed on IE10 and below.
+ function maybeUpdateRectForZooming(measure, rect) {
+ if (!window.screen || screen.logicalXDPI == null ||
+ screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
+ { return rect }
+ var scaleX = screen.logicalXDPI / screen.deviceXDPI;
+ var scaleY = screen.logicalYDPI / screen.deviceYDPI;
+ return {left: rect.left * scaleX, right: rect.right * scaleX,
+ top: rect.top * scaleY, bottom: rect.bottom * scaleY}
+ }
-var clearProp = 'data-clear-style';
+ function clearLineMeasurementCacheFor(lineView) {
+ if (lineView.measure) {
+ lineView.measure.cache = {};
+ lineView.measure.heights = null;
+ if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
+ { lineView.measure.caches[i] = {}; } }
+ }
+ }
-module.exports = Backbone.View.extend({
- template: function template(model) {
- var pfx = this.pfx;
- return '\n
\n ' + this.templateLabel(model) + '\n
\n
\n ' + this.templateInput(model) + '\n
\n ';
- },
- templateLabel: function templateLabel(model) {
- var pfx = this.pfx;
- var icon = model.get('icon');
- var info = model.get('info');
- return '\n \n ' + model.get('name') + '\n \n ⨯\n ';
- },
- templateInput: function templateInput(model) {
- return '\n
\n \n
\n ';
- },
+ function clearLineMeasurementCache(cm) {
+ cm.display.externalMeasure = null;
+ removeChildren(cm.display.lineMeasure);
+ for (var i = 0; i < cm.display.view.length; i++)
+ { clearLineMeasurementCacheFor(cm.display.view[i]); }
+ }
+ function clearCaches(cm) {
+ clearLineMeasurementCache(cm);
+ cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
+ if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
+ cm.display.lineNumChars = null;
+ }
- events: _defineProperty({
- 'change': 'inputValueChanged'
- }, 'click [' + clearProp + ']', 'clear'),
+ function pageScrollX() {
+ // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
+ // which causes page_Offset and bounding client rects to use
+ // different reference viewports and invalidate our calculations.
+ if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
+ return window.pageXOffset || (document.documentElement || document.body).scrollLeft
+ }
+ function pageScrollY() {
+ if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
+ return window.pageYOffset || (document.documentElement || document.body).scrollTop
+ }
- initialize: function initialize() {
- var o = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ function widgetTopHeight(lineObj) {
+ var height = 0;
+ if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
+ { height += widgetHeight(lineObj.widgets[i]); } } }
+ return height
+ }
+
+ // Converts a {top, bottom, left, right} box from line-local
+ // coordinates into another coordinate system. Context may be one of
+ // "line", "div" (display.lineDiv), "local"./null (editor), "window",
+ // or "page".
+ function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
+ if (!includeWidgets) {
+ var height = widgetTopHeight(lineObj);
+ rect.top += height; rect.bottom += height;
+ }
+ if (context == "line") { return rect }
+ if (!context) { context = "local"; }
+ var yOff = heightAtLine(lineObj);
+ if (context == "local") { yOff += paddingTop(cm.display); }
+ else { yOff -= cm.display.viewOffset; }
+ if (context == "page" || context == "window") {
+ var lOff = cm.display.lineSpace.getBoundingClientRect();
+ yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
+ var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
+ rect.left += xOff; rect.right += xOff;
+ }
+ rect.top += yOff; rect.bottom += yOff;
+ return rect
+ }
+
+ // Coverts a box from "div" coords to another coordinate system.
+ // Context may be "window", "page", "div", or "local"./null.
+ function fromCoordSystem(cm, coords, context) {
+ if (context == "div") { return coords }
+ var left = coords.left, top = coords.top;
+ // First move into "page" coordinate system
+ if (context == "page") {
+ left -= pageScrollX();
+ top -= pageScrollY();
+ } else if (context == "local" || !context) {
+ var localBox = cm.display.sizer.getBoundingClientRect();
+ left += localBox.left;
+ top += localBox.top;
+ }
+
+ var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
+ return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
+ }
+
+ function charCoords(cm, pos, context, lineObj, bias) {
+ if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
+ return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
+ }
+
+ // Returns a box for a given cursor position, which may have an
+ // 'other' property containing the position of the secondary cursor
+ // on a bidi boundary.
+ // A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
+ // and after `char - 1` in writing order of `char - 1`
+ // A cursor Pos(line, char, "after") is on the same visual line as `char`
+ // and before `char` in writing order of `char`
+ // Examples (upper-case letters are RTL, lower-case are LTR):
+ // Pos(0, 1, ...)
+ // before after
+ // ab a|b a|b
+ // aB a|B aB|
+ // Ab |Ab A|b
+ // AB B|A B|A
+ // Every position after the last character on a line is considered to stick
+ // to the last character on the line.
+ function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
+ lineObj = lineObj || getLine(cm.doc, pos.line);
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ function get(ch, right) {
+ var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
+ if (right) { m.left = m.right; } else { m.right = m.left; }
+ return intoCoordSystem(cm, lineObj, m, context)
+ }
+ var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
+ if (ch >= lineObj.text.length) {
+ ch = lineObj.text.length;
+ sticky = "before";
+ } else if (ch <= 0) {
+ ch = 0;
+ sticky = "after";
+ }
+ if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
+
+ function getBidi(ch, partPos, invert) {
+ var part = order[partPos], right = part.level == 1;
+ return get(invert ? ch - 1 : ch, right != invert)
+ }
+ var partPos = getBidiPartAt(order, ch, sticky);
+ var other = bidiOther;
+ var val = getBidi(ch, partPos, sticky == "before");
+ if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
+ return val
+ }
+
+ // Used to cheaply estimate the coordinates for a position. Used for
+ // intermediate scroll updates.
+ function estimateCoords(cm, pos) {
+ var left = 0;
+ pos = clipPos(cm.doc, pos);
+ if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
+ var lineObj = getLine(cm.doc, pos.line);
+ var top = heightAtLine(lineObj) + paddingTop(cm.display);
+ return {left: left, right: left, top: top, bottom: top + lineObj.height}
+ }
+
+ // Positions returned by coordsChar contain some extra information.
+ // xRel is the relative x position of the input coordinates compared
+ // to the found position (so xRel > 0 means the coordinates are to
+ // the right of the character position, for example). When outside
+ // is true, that means the coordinates lie outside the line's
+ // vertical range.
+ function PosWithInfo(line, ch, sticky, outside, xRel) {
+ var pos = Pos(line, ch, sticky);
+ pos.xRel = xRel;
+ if (outside) { pos.outside = outside; }
+ return pos
+ }
- (0, _underscore.bindAll)(this, 'targetUpdated');
- this.config = o.config || {};
- var em = this.config.em;
- this.em = em;
- this.pfx = this.config.stylePrefix || '';
- this.ppfx = this.config.pStylePrefix || '';
- this.target = o.target || {};
- this.propTarget = o.propTarget || {};
- this.onChange = o.onChange;
- this.onInputRender = o.onInputRender || {};
- this.customValue = o.customValue || {};
- var model = this.model;
- this.property = model.get('property');
- this.input = null;
- var pfx = this.pfx;
- this.inputHolderId = '#' + pfx + 'input-holder';
- this.sector = model.collection && model.collection.sector;
- model.view = this;
+ // Compute the character position closest to the given coordinates.
+ // Input must be lineSpace-local ("div" coordinate system).
+ function coordsChar(cm, x, y) {
+ var doc = cm.doc;
+ y += cm.display.viewOffset;
+ if (y < 0) { return PosWithInfo(doc.first, 0, null, -1, -1) }
+ var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
+ if (lineN > last)
+ { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, 1, 1) }
+ if (x < 0) { x = 0; }
- if (!model.get('value')) {
- model.set('value', model.getDefaultValue());
+ var lineObj = getLine(doc, lineN);
+ for (;;) {
+ var found = coordsCharInner(cm, lineObj, lineN, x, y);
+ var collapsed = collapsedSpanAround(lineObj, found.ch + (found.xRel > 0 || found.outside > 0 ? 1 : 0));
+ if (!collapsed) { return found }
+ var rangeEnd = collapsed.find(1);
+ if (rangeEnd.line == lineN) { return rangeEnd }
+ lineObj = getLine(doc, lineN = rangeEnd.line);
}
+ }
- em && em.on('update:component:style:' + this.property, this.targetUpdated);
- this.listenTo(this.propTarget, 'update', this.targetUpdated);
- this.listenTo(model, 'destroy remove', this.remove);
- this.listenTo(model, 'change:value', this.modelValueChanged);
- this.listenTo(model, 'targetUpdated', this.targetUpdated);
- this.listenTo(model, 'change:visible', this.updateVisibility);
- this.listenTo(model, 'change:status', this.updateStatus);
+ function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
+ y -= widgetTopHeight(lineObj);
+ var end = lineObj.text.length;
+ var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
+ end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
+ return {begin: begin, end: end}
+ }
- var init = this.init && this.init.bind(this);
- init && init();
- },
+ function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
+ if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
+ var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
+ return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
+ }
+ // Returns true if the given side of a box is after the given
+ // coordinates, in top-to-bottom, left-to-right order.
+ function boxIsAfter(box, x, y, left) {
+ return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
+ }
- /**
- * Triggers when the status changes. The status indicates if the value of
- * the proprerty is changed or inherited
- * @private
- */
- updateStatus: function updateStatus() {
- var status = this.model.get('status');
- var pfx = this.pfx;
- var ppfx = this.ppfx;
- var config = this.config;
- var updatedCls = ppfx + 'four-color';
- var computedCls = ppfx + 'color-warn';
- var labelEl = this.$el.children('.' + pfx + 'label');
- var clearStyle = this.getClearEl().style;
- labelEl.removeClass(updatedCls + ' ' + computedCls);
- clearStyle.display = 'none';
+ function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {
+ // Move y into line-local coordinate space
+ y -= heightAtLine(lineObj);
+ var preparedMeasure = prepareMeasureForLine(cm, lineObj);
+ // When directly calling `measureCharPrepared`, we have to adjust
+ // for the widgets at this line.
+ var widgetHeight$$1 = widgetTopHeight(lineObj);
+ var begin = 0, end = lineObj.text.length, ltr = true;
- switch (status) {
- case 'updated':
- labelEl.addClass(updatedCls);
+ var order = getOrder(lineObj, cm.doc.direction);
+ // If the line isn't plain left-to-right text, first figure out
+ // which bidi section the coordinates fall into.
+ if (order) {
+ var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
+ (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);
+ ltr = part.level != 1;
+ // The awkward -1 offsets are needed because findFirst (called
+ // on these below) will treat its first bound as inclusive,
+ // second as exclusive, but we want to actually address the
+ // characters in the part's range
+ begin = ltr ? part.from : part.to - 1;
+ end = ltr ? part.to : part.from - 1;
+ }
+
+ // A binary search to find the first character whose bounding box
+ // starts after the coordinates. If we run across any whose box wrap
+ // the coordinates, store that.
+ var chAround = null, boxAround = null;
+ var ch = findFirst(function (ch) {
+ var box = measureCharPrepared(cm, preparedMeasure, ch);
+ box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;
+ if (!boxIsAfter(box, x, y, false)) { return false }
+ if (box.top <= y && box.left <= x) {
+ chAround = ch;
+ boxAround = box;
+ }
+ return true
+ }, begin, end);
+
+ var baseX, sticky, outside = false;
+ // If a box around the coordinates was found, use that
+ if (boxAround) {
+ // Distinguish coordinates nearer to the left or right side of the box
+ var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
+ ch = chAround + (atStart ? 0 : 1);
+ sticky = atStart ? "after" : "before";
+ baseX = atLeft ? boxAround.left : boxAround.right;
+ } else {
+ // (Adjust for extended bound, if necessary.)
+ if (!ltr && (ch == end || ch == begin)) { ch++; }
+ // To determine which side to associate with, get the box to the
+ // left of the character and compare it's vertical position to the
+ // coordinates
+ sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
+ (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?
+ "after" : "before";
+ // Now get accurate coordinates for this place, in order to get a
+ // base X position
+ var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);
+ baseX = coords.left;
+ outside = y < coords.top ? -1 : y >= coords.bottom ? 1 : 0;
+ }
+
+ ch = skipExtendingChars(lineObj.text, ch, 1);
+ return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)
+ }
+
+ function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {
+ // Bidi parts are sorted left-to-right, and in a non-line-wrapping
+ // situation, we can take this ordering to correspond to the visual
+ // ordering. This finds the first part whose end is after the given
+ // coordinates.
+ var index = findFirst(function (i) {
+ var part = order[i], ltr = part.level != 1;
+ return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),
+ "line", lineObj, preparedMeasure), x, y, true)
+ }, 0, order.length - 1);
+ var part = order[index];
+ // If this isn't the first part, the part's start is also after
+ // the coordinates, and the coordinates aren't on the same line as
+ // that start, move one part back.
+ if (index > 0) {
+ var ltr = part.level != 1;
+ var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),
+ "line", lineObj, preparedMeasure);
+ if (boxIsAfter(start, x, y, true) && start.top > y)
+ { part = order[index - 1]; }
+ }
+ return part
+ }
+
+ function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
+ // In a wrapped line, rtl text on wrapping boundaries can do things
+ // that don't correspond to the ordering in our `order` array at
+ // all, so a binary search doesn't work, and we want to return a
+ // part that only spans one line so that the binary search in
+ // coordsCharInner is safe. As such, we first find the extent of the
+ // wrapped line, and then do a flat search in which we discard any
+ // spans that aren't on the line.
+ var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
+ var begin = ref.begin;
+ var end = ref.end;
+ if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
+ var part = null, closestDist = null;
+ for (var i = 0; i < order.length; i++) {
+ var p = order[i];
+ if (p.from >= end || p.to <= begin) { continue }
+ var ltr = p.level != 1;
+ var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
+ // Weigh against spans ending before this, so that they are only
+ // picked if nothing ends after
+ var dist = endX < x ? x - endX + 1e9 : endX - x;
+ if (!part || closestDist > dist) {
+ part = p;
+ closestDist = dist;
+ }
+ }
+ if (!part) { part = order[order.length - 1]; }
+ // Clip the part to the wrapped line.
+ if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
+ if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
+ return part
+ }
+
+ var measureText;
+ // Compute the default text height.
+ function textHeight(display) {
+ if (display.cachedTextHeight != null) { return display.cachedTextHeight }
+ if (measureText == null) {
+ measureText = elt("pre", null, "CodeMirror-line-like");
+ // Measure a bunch of lines, for browsers that compute
+ // fractional heights.
+ for (var i = 0; i < 49; ++i) {
+ measureText.appendChild(document.createTextNode("x"));
+ measureText.appendChild(elt("br"));
+ }
+ measureText.appendChild(document.createTextNode("x"));
+ }
+ removeChildrenAndAdd(display.measure, measureText);
+ var height = measureText.offsetHeight / 50;
+ if (height > 3) { display.cachedTextHeight = height; }
+ removeChildren(display.measure);
+ return height || 1
+ }
+
+ // Compute the default character width.
+ function charWidth(display) {
+ if (display.cachedCharWidth != null) { return display.cachedCharWidth }
+ var anchor = elt("span", "xxxxxxxxxx");
+ var pre = elt("pre", [anchor], "CodeMirror-line-like");
+ removeChildrenAndAdd(display.measure, pre);
+ var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
+ if (width > 2) { display.cachedCharWidth = width; }
+ return width || 10
+ }
+
+ // Do a bulk-read of the DOM positions and sizes needed to draw the
+ // view, so that we don't interleave reading and writing to the DOM.
+ function getDimensions(cm) {
+ var d = cm.display, left = {}, width = {};
+ var gutterLeft = d.gutters.clientLeft;
+ for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
+ var id = cm.display.gutterSpecs[i].className;
+ left[id] = n.offsetLeft + n.clientLeft + gutterLeft;
+ width[id] = n.clientWidth;
+ }
+ return {fixedPos: compensateForHScroll(d),
+ gutterTotalWidth: d.gutters.offsetWidth,
+ gutterLeft: left,
+ gutterWidth: width,
+ wrapperWidth: d.wrapper.clientWidth}
+ }
+
+ // Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
+ // but using getBoundingClientRect to get a sub-pixel-accurate
+ // result.
+ function compensateForHScroll(display) {
+ return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
+ }
+
+ // Returns a function that estimates the height of a line, to use as
+ // first approximation until the line becomes visible (and is thus
+ // properly measurable).
+ function estimateHeight(cm) {
+ var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
+ var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
+ return function (line) {
+ if (lineIsHidden(cm.doc, line)) { return 0 }
+
+ var widgetsHeight = 0;
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
+ if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
+ } }
- if (config.clearProperties) {
- clearStyle.display = 'inline';
- }
- break;
- case 'computed':
- labelEl.addClass(computedCls);
- break;
+ if (wrapping)
+ { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
+ else
+ { return widgetsHeight + th }
}
- },
+ }
+ function estimateLineHeights(cm) {
+ var doc = cm.doc, est = estimateHeight(cm);
+ doc.iter(function (line) {
+ var estHeight = est(line);
+ if (estHeight != line.height) { updateLineHeight(line, estHeight); }
+ });
+ }
- /**
- * Clear the property from the target
- */
- clear: function clear() {
- var target = this.getTargetModel();
- target.removeStyle(this.model.get('property'));
- this.targetUpdated();
- },
-
-
- /**
- * Get clear element
- * @return {HTMLElement}
- */
- getClearEl: function getClearEl() {
- return this.el.querySelector('[' + clearProp + ']');
- },
+ // Given a mouse event, find the corresponding position. If liberal
+ // is false, it checks whether a gutter or scrollbar was clicked,
+ // and returns null if it was. forRect is used by rectangular
+ // selections, and tries to estimate a character position even for
+ // coordinates beyond the right of the text.
+ function posFromMouse(cm, e, liberal, forRect) {
+ var display = cm.display;
+ if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
+
+ var x, y, space = display.lineSpace.getBoundingClientRect();
+ // Fails unpredictably on IE[67] when mouse is dragged around quickly.
+ try { x = e.clientX - space.left; y = e.clientY - space.top; }
+ catch (e) { return null }
+ var coords = coordsChar(cm, x, y), line;
+ if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
+ var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
+ coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
+ }
+ return coords
+ }
+
+ // Find the view element corresponding to a given line. Return null
+ // when the line isn't visible.
+ function findViewIndex(cm, n) {
+ if (n >= cm.display.viewTo) { return null }
+ n -= cm.display.viewFrom;
+ if (n < 0) { return null }
+ var view = cm.display.view;
+ for (var i = 0; i < view.length; i++) {
+ n -= view[i].size;
+ if (n < 0) { return i }
+ }
+ }
+
+ // Updates the display.view data structure for a given change to the
+ // document. From and to are in pre-change coordinates. Lendiff is
+ // the amount of lines added or subtracted by the change. This is
+ // used for changes that span multiple lines, or change the way
+ // lines are divided into visual lines. regLineChange (below)
+ // registers single-line changes.
+ function regChange(cm, from, to, lendiff) {
+ if (from == null) { from = cm.doc.first; }
+ if (to == null) { to = cm.doc.first + cm.doc.size; }
+ if (!lendiff) { lendiff = 0; }
+
+ var display = cm.display;
+ if (lendiff && to < display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers > from))
+ { display.updateLineNumbers = from; }
+
+ cm.curOp.viewChanged = true;
+
+ if (from >= display.viewTo) { // Change after
+ if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
+ { resetView(cm); }
+ } else if (to <= display.viewFrom) { // Change before
+ if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
+ resetView(cm);
+ } else {
+ display.viewFrom += lendiff;
+ display.viewTo += lendiff;
+ }
+ } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
+ resetView(cm);
+ } else if (from <= display.viewFrom) { // Top overlap
+ var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cut) {
+ display.view = display.view.slice(cut.index);
+ display.viewFrom = cut.lineN;
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ } else if (to >= display.viewTo) { // Bottom overlap
+ var cut$1 = viewCuttingPoint(cm, from, from, -1);
+ if (cut$1) {
+ display.view = display.view.slice(0, cut$1.index);
+ display.viewTo = cut$1.lineN;
+ } else {
+ resetView(cm);
+ }
+ } else { // Gap in the middle
+ var cutTop = viewCuttingPoint(cm, from, from, -1);
+ var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
+ if (cutTop && cutBot) {
+ display.view = display.view.slice(0, cutTop.index)
+ .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
+ .concat(display.view.slice(cutBot.index));
+ display.viewTo += lendiff;
+ } else {
+ resetView(cm);
+ }
+ }
+ var ext = display.externalMeasured;
+ if (ext) {
+ if (to < ext.lineN)
+ { ext.lineN += lendiff; }
+ else if (from < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+ }
+ }
- /**
- * Returns selected target which should have 'style' property
- * @return {Model|null}
- */
- getTarget: function getTarget() {
- return this.getTargetModel();
- },
+ // Register a change to a single line. Type must be one of "text",
+ // "gutter", "class", "widget"
+ function regLineChange(cm, line, type) {
+ cm.curOp.viewChanged = true;
+ var display = cm.display, ext = cm.display.externalMeasured;
+ if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
+ { display.externalMeasured = null; }
+ if (line < display.viewFrom || line >= display.viewTo) { return }
+ var lineView = display.view[findViewIndex(cm, line)];
+ if (lineView.node == null) { return }
+ var arr = lineView.changes || (lineView.changes = []);
+ if (indexOf(arr, type) == -1) { arr.push(type); }
+ }
+
+ // Clear the view.
+ function resetView(cm) {
+ cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
+ cm.display.view = [];
+ cm.display.viewOffset = 0;
+ }
+
+ function viewCuttingPoint(cm, oldN, newN, dir) {
+ var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
+ if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
+ { return {index: index, lineN: newN} }
+ var n = cm.display.viewFrom;
+ for (var i = 0; i < index; i++)
+ { n += view[i].size; }
+ if (n != oldN) {
+ if (dir > 0) {
+ if (index == view.length - 1) { return null }
+ diff = (n + view[index].size) - oldN;
+ index++;
+ } else {
+ diff = n - oldN;
+ }
+ oldN += diff; newN += diff;
+ }
+ while (visualLineNo(cm.doc, newN) != newN) {
+ if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
+ newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
+ index += dir;
+ }
+ return {index: index, lineN: newN}
+ }
- /**
- * Returns Styleable model
- * @return {Model|null}
- */
- getTargetModel: function getTargetModel() {
- return this.propTarget && this.propTarget.model;
- },
+ // Force the view to cover a given range, adding empty view element
+ // or clipping off existing ones as needed.
+ function adjustView(cm, from, to) {
+ var display = cm.display, view = display.view;
+ if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
+ display.view = buildViewArray(cm, from, to);
+ display.viewFrom = from;
+ } else {
+ if (display.viewFrom > from)
+ { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
+ else if (display.viewFrom < from)
+ { display.view = display.view.slice(findViewIndex(cm, from)); }
+ display.viewFrom = from;
+ if (display.viewTo < to)
+ { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
+ else if (display.viewTo > to)
+ { display.view = display.view.slice(0, findViewIndex(cm, to)); }
+ }
+ display.viewTo = to;
+ }
+ // Count the number of lines in the view whose DOM representation is
+ // out of date (or nonexistent).
+ function countDirtyView(cm) {
+ var view = cm.display.view, dirty = 0;
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
+ }
+ return dirty
+ }
- /**
- * Returns helper Styleable model
- * @return {Model|null}
- */
- getHelperModel: function getHelperModel() {
- return this.propTarget && this.propTarget.helper;
- },
+ function updateSelection(cm) {
+ cm.display.input.showSelection(cm.display.input.prepareSelection());
+ }
+ function prepareSelection(cm, primary) {
+ if ( primary === void 0 ) primary = true;
- /**
- * Triggers when the value of element input/s is changed, so have to update
- * the value of the model which will propogate those changes to the target
- */
- inputValueChanged: function inputValueChanged(e) {
- e && e.stopPropagation();
- this.model.setValue(this.getInputValue(), 1, { fromInput: 1 });
- this.elementUpdated();
- },
+ var doc = cm.doc, result = {};
+ var curFragment = result.cursors = document.createDocumentFragment();
+ var selFragment = result.selection = document.createDocumentFragment();
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ if (!primary && i == doc.sel.primIndex) { continue }
+ var range$$1 = doc.sel.ranges[i];
+ if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }
+ var collapsed = range$$1.empty();
+ if (collapsed || cm.options.showCursorWhenSelecting)
+ { drawSelectionCursor(cm, range$$1.head, curFragment); }
+ if (!collapsed)
+ { drawSelectionRange(cm, range$$1, selFragment); }
+ }
+ return result
+ }
- /**
- * Fired when the element of the property is updated
- */
- elementUpdated: function elementUpdated() {
- this.setStatus('updated');
- },
- setStatus: function setStatus(value) {
- this.model.set('status', value);
- var parent = this.model.parent;
- parent && parent.set('status', value);
- },
+ // Draws a cursor for the given range
+ function drawSelectionCursor(cm, head, output) {
+ var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
+ var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
+ cursor.style.left = pos.left + "px";
+ cursor.style.top = pos.top + "px";
+ cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
- /**
- * Fired when the target is changed
- * */
- targetUpdated: function targetUpdated() {
- if (!this.checkVisibility()) {
- return;
+ if (pos.other) {
+ // Secondary cursor, shown when on a 'jump' in bi-directional text
+ var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
+ otherCursor.style.display = "";
+ otherCursor.style.left = pos.other.left + "px";
+ otherCursor.style.top = pos.other.top + "px";
+ otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
}
+ }
- var config = this.config;
- var em = config.em;
- var model = this.model;
- var value = '';
- var status = '';
- var targetValue = this.getTargetValue({ ignoreDefault: 1 });
- var defaultValue = model.getDefaultValue();
- var computedValue = this.getComputedValue();
+ function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
- if (targetValue) {
- value = targetValue;
+ // Draws the given range as a highlighted selection
+ function drawSelectionRange(cm, range$$1, output) {
+ var display = cm.display, doc = cm.doc;
+ var fragment = document.createDocumentFragment();
+ var padding = paddingH(cm.display), leftSide = padding.left;
+ var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
+ var docLTR = doc.direction == "ltr";
+
+ function add(left, top, width, bottom) {
+ if (top < 0) { top = 0; }
+ top = Math.round(top);
+ bottom = Math.round(bottom);
+ fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")));
+ }
+
+ function drawForLine(line, fromArg, toArg) {
+ var lineObj = getLine(doc, line);
+ var lineLen = lineObj.text.length;
+ var start, end;
+ function coords(ch, bias) {
+ return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
+ }
+
+ function wrapX(pos, dir, side) {
+ var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
+ var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
+ var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
+ return coords(ch, prop)[prop]
+ }
+
+ var order = getOrder(lineObj, doc.direction);
+ iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
+ var ltr = dir == "ltr";
+ var fromPos = coords(from, ltr ? "left" : "right");
+ var toPos = coords(to - 1, ltr ? "right" : "left");
+
+ var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
+ var first = i == 0, last = !order || i == order.length - 1;
+ if (toPos.top - fromPos.top <= 3) { // Single line
+ var openLeft = (docLTR ? openStart : openEnd) && first;
+ var openRight = (docLTR ? openEnd : openStart) && last;
+ var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
+ var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
+ add(left, fromPos.top, right - left, fromPos.bottom);
+ } else { // Multiple lines
+ var topLeft, topRight, botLeft, botRight;
+ if (ltr) {
+ topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
+ topRight = docLTR ? rightSide : wrapX(from, dir, "before");
+ botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
+ botRight = docLTR && openEnd && last ? rightSide : toPos.right;
+ } else {
+ topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
+ topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
+ botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
+ botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
+ }
+ add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
+ if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
+ add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
+ }
- if (config.highlightChanged) {
- status = 'updated';
- }
- } else if (computedValue && config.showComputed && computedValue != defaultValue) {
- value = computedValue;
+ if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
+ if (cmpCoords(toPos, start) < 0) { start = toPos; }
+ if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
+ if (cmpCoords(toPos, end) < 0) { end = toPos; }
+ });
+ return {start: start, end: end}
+ }
- if (config.highlightComputed) {
- status = 'computed';
- }
+ var sFrom = range$$1.from(), sTo = range$$1.to();
+ if (sFrom.line == sTo.line) {
+ drawForLine(sFrom.line, sFrom.ch, sTo.ch);
} else {
- value = defaultValue;
- status = '';
+ var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
+ var singleVLine = visualLine(fromLine) == visualLine(toLine);
+ var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
+ var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
+ if (singleVLine) {
+ if (leftEnd.top < rightStart.top - 2) {
+ add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
+ add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
+ } else {
+ add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+ }
+ }
+ if (leftEnd.bottom < rightStart.top)
+ { add(leftSide, leftEnd.bottom, null, rightStart.top); }
}
- model.setValue(value, 0, { fromTarget: 1 });
- this.setStatus(status);
+ output.appendChild(fragment);
+ }
- if (em) {
- em.trigger('styleManager:change', this);
- em.trigger('styleManager:change:' + model.get('property'), this);
- }
- },
- checkVisibility: function checkVisibility() {
- var result = 1;
+ // Cursor-blinking
+ function restartBlink(cm) {
+ if (!cm.state.focused) { return }
+ var display = cm.display;
+ clearInterval(display.blinker);
+ var on = true;
+ display.cursorDiv.style.visibility = "";
+ if (cm.options.cursorBlinkRate > 0)
+ { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
+ cm.options.cursorBlinkRate); }
+ else if (cm.options.cursorBlinkRate < 0)
+ { display.cursorDiv.style.visibility = "hidden"; }
+ }
- // Check if need to hide the property
- if (this.config.hideNotStylable) {
- if (!this.isTargetStylable() || !this.isComponentStylable()) {
- this.hide();
- result = 0;
+ function ensureFocus(cm) {
+ if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
+ }
+
+ function delayBlurEvent(cm) {
+ cm.state.delayingBlurEvent = true;
+ setTimeout(function () { if (cm.state.delayingBlurEvent) {
+ cm.state.delayingBlurEvent = false;
+ onBlur(cm);
+ } }, 100);
+ }
+
+ function onFocus(cm, e) {
+ if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }
+
+ if (cm.options.readOnly == "nocursor") { return }
+ if (!cm.state.focused) {
+ signal(cm, "focus", cm, e);
+ cm.state.focused = true;
+ addClass(cm.display.wrapper, "CodeMirror-focused");
+ // This test prevents this from firing when a context
+ // menu is closed (since the input reset would kill the
+ // select-all detection hack)
+ if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
+ cm.display.input.reset();
+ if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
+ }
+ cm.display.input.receivedFocus();
+ }
+ restartBlink(cm);
+ }
+ function onBlur(cm, e) {
+ if (cm.state.delayingBlurEvent) { return }
+
+ if (cm.state.focused) {
+ signal(cm, "blur", cm, e);
+ cm.state.focused = false;
+ rmClass(cm.display.wrapper, "CodeMirror-focused");
+ }
+ clearInterval(cm.display.blinker);
+ setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
+ }
+
+ // Read the actual heights of the rendered lines, and update their
+ // stored heights to match.
+ function updateHeightsInViewport(cm) {
+ var display = cm.display;
+ var prevBottom = display.lineDiv.offsetTop;
+ for (var i = 0; i < display.view.length; i++) {
+ var cur = display.view[i], wrapping = cm.options.lineWrapping;
+ var height = (void 0), width = 0;
+ if (cur.hidden) { continue }
+ if (ie && ie_version < 8) {
+ var bot = cur.node.offsetTop + cur.node.offsetHeight;
+ height = bot - prevBottom;
+ prevBottom = bot;
} else {
- this.show();
+ var box = cur.node.getBoundingClientRect();
+ height = box.bottom - box.top;
+ // Check that lines don't extend past the right of the current
+ // editor width
+ if (!wrapping && cur.text.firstChild)
+ { width = cur.text.firstChild.getBoundingClientRect().right - box.left - 1; }
}
- // Sector is not passed to Composite and Stack types
- if (this.sector) {
- this.sector.trigger('updateVisibility');
+ var diff = cur.line.height - height;
+ if (diff > .005 || diff < -.005) {
+ updateLineHeight(cur.line, height);
+ updateWidgetHeight(cur.line);
+ if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
+ { updateWidgetHeight(cur.rest[j]); } }
+ }
+ if (width > cm.display.sizerWidth) {
+ var chWidth = Math.ceil(width / charWidth(cm.display));
+ if (chWidth > cm.display.maxLineLength) {
+ cm.display.maxLineLength = chWidth;
+ cm.display.maxLine = cur.line;
+ cm.display.maxLineChanged = true;
+ }
}
}
+ }
- return result;
- },
+ // Read and store the height of line widgets associated with the
+ // given line.
+ function updateWidgetHeight(line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i) {
+ var w = line.widgets[i], parent = w.node.parentNode;
+ if (parent) { w.height = parent.offsetHeight; }
+ } }
+ }
+ // Compute the lines that are visible in a given viewport (defaults
+ // the the current scroll position). viewport may contain top,
+ // height, and ensure (see op.scrollToPos) properties.
+ function visibleLines(display, doc, viewport) {
+ var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
+ top = Math.floor(top - paddingTop(display));
+ var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
+
+ var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
+ // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
+ // forces those lines into the viewport (if possible).
+ if (viewport && viewport.ensure) {
+ var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
+ if (ensureFrom < from) {
+ from = ensureFrom;
+ to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
+ } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
+ from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
+ to = ensureTo;
+ }
+ }
+ return {from: from, to: Math.max(to, from + 1)}
+ }
+
+ // SCROLLING THINGS INTO VIEW
+
+ // If an editor sits on the top or bottom of the window, partially
+ // scrolled out of view, this ensures that the cursor is visible.
+ function maybeScrollWindow(cm, rect) {
+ if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+
+ var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
+ if (rect.top + box.top < 0) { doScroll = true; }
+ else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
+ if (doScroll != null && !phantom) {
+ var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
+ cm.display.lineSpace.appendChild(scrollNode);
+ scrollNode.scrollIntoView(doScroll);
+ cm.display.lineSpace.removeChild(scrollNode);
+ }
+ }
+
+ // Scroll a given position into view (immediately), verifying that
+ // it actually became visible (as line heights are accurately
+ // measured, the position of something may 'drift' during drawing).
+ function scrollPosIntoView(cm, pos, end, margin) {
+ if (margin == null) { margin = 0; }
+ var rect;
+ if (!cm.options.lineWrapping && pos == end) {
+ // Set pos and end to the cursor positions around the character pos sticks to
+ // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
+ // If pos == Pos(_, 0, "before"), pos and end are unchanged
+ pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
+ end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
+ }
+ for (var limit = 0; limit < 5; limit++) {
+ var changed = false;
+ var coords = cursorCoords(cm, pos);
+ var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
+ rect = {left: Math.min(coords.left, endCoords.left),
+ top: Math.min(coords.top, endCoords.top) - margin,
+ right: Math.max(coords.left, endCoords.left),
+ bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
+ var scrollPos = calculateScrollPos(cm, rect);
+ var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
+ if (scrollPos.scrollTop != null) {
+ updateScrollTop(cm, scrollPos.scrollTop);
+ if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
+ }
+ if (scrollPos.scrollLeft != null) {
+ setScrollLeft(cm, scrollPos.scrollLeft);
+ if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
+ }
+ if (!changed) { break }
+ }
+ return rect
+ }
+
+ // Scroll a given set of coordinates into view (immediately).
+ function scrollIntoView(cm, rect) {
+ var scrollPos = calculateScrollPos(cm, rect);
+ if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
+ if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
+ }
+
+ // Calculate a new scroll position needed to scroll the given
+ // rectangle into view. Returns an object with scrollTop and
+ // scrollLeft properties. When these are undefined, the
+ // vertical/horizontal position does not need to be adjusted.
+ function calculateScrollPos(cm, rect) {
+ var display = cm.display, snapMargin = textHeight(cm.display);
+ if (rect.top < 0) { rect.top = 0; }
+ var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
+ var screen = displayHeight(cm), result = {};
+ if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
+ var docBottom = cm.doc.height + paddingVert(display);
+ var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
+ if (rect.top < screentop) {
+ result.scrollTop = atTop ? 0 : rect.top;
+ } else if (rect.bottom > screentop + screen) {
+ var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
+ if (newTop != screentop) { result.scrollTop = newTop; }
+ }
+
+ var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
+ var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
+ var tooWide = rect.right - rect.left > screenw;
+ if (tooWide) { rect.right = rect.left + screenw; }
+ if (rect.left < 10)
+ { result.scrollLeft = 0; }
+ else if (rect.left < screenleft)
+ { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }
+ else if (rect.right > screenw + screenleft - 3)
+ { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
+ return result
+ }
- /**
- * Get the value of this property from the target (eg, Component, CSSRule)
- * @param {Object} [opts] Options
- * @param {Boolean} [options.fetchFromFunction]
- * @param {Boolean} [options.ignoreDefault]
- * @return string
- * @private
- */
- getTargetValue: function getTargetValue() {
- var opts = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+ // Store a relative adjustment to the scroll position in the current
+ // operation (to be applied when the operation finishes).
+ function addToScrollTop(cm, top) {
+ if (top == null) { return }
+ resolveScrollToPos(cm);
+ cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
+ }
- var result;
- var model = this.model;
- var target = this.getTargetModel();
- var customFetchValue = this.customValue;
+ // Make sure that at the end of the operation the current cursor is
+ // shown.
+ function ensureCursorVisible(cm) {
+ resolveScrollToPos(cm);
+ var cur = cm.getCursor();
+ cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
+ }
- if (!target) {
- return result;
- }
+ function scrollToCoords(cm, x, y) {
+ if (x != null || y != null) { resolveScrollToPos(cm); }
+ if (x != null) { cm.curOp.scrollLeft = x; }
+ if (y != null) { cm.curOp.scrollTop = y; }
+ }
- result = target.getStyle()[model.get('property')];
+ function scrollToRange(cm, range$$1) {
+ resolveScrollToPos(cm);
+ cm.curOp.scrollToPos = range$$1;
+ }
- if (!result && !opts.ignoreDefault) {
- result = model.getDefaultValue();
+ // When an operation has its scrollToPos property set, and another
+ // scroll action is applied before the end of the operation, this
+ // 'simulates' scrolling that position into view in a cheap way, so
+ // that the effect of intermediate scroll commands is not ignored.
+ function resolveScrollToPos(cm) {
+ var range$$1 = cm.curOp.scrollToPos;
+ if (range$$1) {
+ cm.curOp.scrollToPos = null;
+ var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);
+ scrollToCoordsRange(cm, from, to, range$$1.margin);
}
+ }
- if (typeof customFetchValue == 'function' && !opts.ignoreCustomValue) {
- var index = model.collection.indexOf(model);
- var customValue = customFetchValue(this, index);
-
- if (customValue) {
- result = customValue;
- }
- }
+ function scrollToCoordsRange(cm, from, to, margin) {
+ var sPos = calculateScrollPos(cm, {
+ left: Math.min(from.left, to.left),
+ top: Math.min(from.top, to.top) - margin,
+ right: Math.max(from.right, to.right),
+ bottom: Math.max(from.bottom, to.bottom) + margin
+ });
+ scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
+ }
- return result;
- },
+ // Sync the scrollable area and scrollbars, ensure the viewport
+ // covers the visible area.
+ function updateScrollTop(cm, val) {
+ if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
+ if (!gecko) { updateDisplaySimple(cm, {top: val}); }
+ setScrollTop(cm, val, true);
+ if (gecko) { updateDisplaySimple(cm); }
+ startWorker(cm, 100);
+ }
+ function setScrollTop(cm, val, forceScroll) {
+ val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);
+ if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
+ cm.doc.scrollTop = val;
+ cm.display.scrollbars.setScrollTop(val);
+ if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
+ }
- /**
- * Returns computed value
- * @return {String}
- * @private
- */
- getComputedValue: function getComputedValue() {
- var target = this.propTarget;
- var computed = target.computed || {};
- var computedDef = target.computedDefault || {};
- var avoid = this.config.avoidComputed || [];
- var property = this.model.get('property');
- var notToSkip = avoid.indexOf(property) < 0;
- var value = computed[property];
- var valueDef = computedDef[(0, _mixins.camelCase)(property)];
- return computed && notToSkip && valueDef !== value && value;
- },
+ // Sync scroller and scrollbar, ensure the gutter elements are
+ // aligned.
+ function setScrollLeft(cm, val, isScroller, forceScroll) {
+ val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
+ if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
+ cm.doc.scrollLeft = val;
+ alignHorizontally(cm);
+ if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
+ cm.display.scrollbars.setScrollLeft(val);
+ }
+ // SCROLLBARS
- /**
- * Returns value from input
- * @return {string}
- */
- getInputValue: function getInputValue() {
- var input = this.getInputEl();
- return input ? input.value : '';
- },
+ // Prepare DOM reads needed to update the scrollbars. Done in one
+ // shot to minimize update/measure roundtrips.
+ function measureForScrollbars(cm) {
+ var d = cm.display, gutterW = d.gutters.offsetWidth;
+ var docH = Math.round(cm.doc.height + paddingVert(cm.display));
+ return {
+ clientHeight: d.scroller.clientHeight,
+ viewHeight: d.wrapper.clientHeight,
+ scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
+ viewWidth: d.wrapper.clientWidth,
+ barLeft: cm.options.fixedGutter ? gutterW : 0,
+ docHeight: docH,
+ scrollHeight: docH + scrollGap(cm) + d.barHeight,
+ nativeBarWidth: d.nativeBarWidth,
+ gutterWidth: gutterW
+ }
+ }
+
+ var NativeScrollbars = function(place, scroll, cm) {
+ this.cm = cm;
+ var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
+ var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
+ vert.tabIndex = horiz.tabIndex = -1;
+ place(vert); place(horiz);
+
+ on(vert, "scroll", function () {
+ if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
+ });
+ on(horiz, "scroll", function () {
+ if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
+ });
+ this.checkedZeroWidth = false;
+ // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
+ if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
+ };
- /**
- * Triggers when the `value` of the model changes, so the target and
- * the input element should be updated
- * @param {Object} e Event
- * @param {Mixed} val Value
- * @param {Object} opt Options
- * */
- modelValueChanged: function modelValueChanged(e, val) {
- var opt = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ NativeScrollbars.prototype.update = function (measure) {
+ var needsH = measure.scrollWidth > measure.clientWidth + 1;
+ var needsV = measure.scrollHeight > measure.clientHeight + 1;
+ var sWidth = measure.nativeBarWidth;
- var em = this.config.em;
- var model = this.model;
- var value = model.getFullValue();
- var target = this.getTarget();
- var onChange = this.onChange;
+ if (needsV) {
+ this.vert.style.display = "block";
+ this.vert.style.bottom = needsH ? sWidth + "px" : "0";
+ var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
+ // A bug in IE8 can cause this value to be negative, so guard it.
+ this.vert.firstChild.style.height =
+ Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
+ } else {
+ this.vert.style.display = "";
+ this.vert.firstChild.style.height = "0";
+ }
- // Avoid element update if the change comes from it
- if (!opt.fromInput) {
- this.setValue(value);
+ if (needsH) {
+ this.horiz.style.display = "block";
+ this.horiz.style.right = needsV ? sWidth + "px" : "0";
+ this.horiz.style.left = measure.barLeft + "px";
+ var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
+ this.horiz.firstChild.style.width =
+ Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
+ } else {
+ this.horiz.style.display = "";
+ this.horiz.firstChild.style.width = "0";
}
- // Check if component is allowed to be styled
- if (!target || !this.isTargetStylable() || !this.isComponentStylable()) {
- return;
+ if (!this.checkedZeroWidth && measure.clientHeight > 0) {
+ if (sWidth == 0) { this.zeroWidthHack(); }
+ this.checkedZeroWidth = true;
}
- // Avoid target update if the changes comes from it
- if (!opt.fromTarget) {
- // The onChange is used by Composite/Stack properties, so I'd avoid sending
- // it back if the change comes from one of those
- if (onChange && !opt.fromParent) {
- onChange(target, this, opt);
- } else {
- this.updateTargetStyle(value, null, opt);
- }
+ return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
+ };
+
+ NativeScrollbars.prototype.setScrollLeft = function (pos) {
+ if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
+ if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
+ };
+
+ NativeScrollbars.prototype.setScrollTop = function (pos) {
+ if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
+ if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
+ };
+
+ NativeScrollbars.prototype.zeroWidthHack = function () {
+ var w = mac && !mac_geMountainLion ? "12px" : "18px";
+ this.horiz.style.height = this.vert.style.width = w;
+ this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
+ this.disableHoriz = new Delayed;
+ this.disableVert = new Delayed;
+ };
+
+ NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
+ bar.style.pointerEvents = "auto";
+ function maybeDisable() {
+ // To find out whether the scrollbar is still visible, we
+ // check whether the element under the pixel in the bottom
+ // right corner of the scrollbar box is the scrollbar box
+ // itself (when the bar is still visible) or its filler child
+ // (when the bar is hidden). If it is still visible, we keep
+ // it enabled, if it's hidden, we disable pointer events.
+ var box = bar.getBoundingClientRect();
+ var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
+ : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
+ if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }
+ else { delay.set(1000, maybeDisable); }
}
+ delay.set(1000, maybeDisable);
+ };
- if (em) {
- em.trigger('component:update', target);
- em.trigger('component:styleUpdate', target);
- em.trigger('component:styleUpdate:' + model.get('property'), target);
+ NativeScrollbars.prototype.clear = function () {
+ var parent = this.horiz.parentNode;
+ parent.removeChild(this.horiz);
+ parent.removeChild(this.vert);
+ };
+
+ var NullScrollbars = function () {};
+
+ NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
+ NullScrollbars.prototype.setScrollLeft = function () {};
+ NullScrollbars.prototype.setScrollTop = function () {};
+ NullScrollbars.prototype.clear = function () {};
+
+ function updateScrollbars(cm, measure) {
+ if (!measure) { measure = measureForScrollbars(cm); }
+ var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
+ updateScrollbarsInner(cm, measure);
+ for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
+ if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
+ { updateHeightsInViewport(cm); }
+ updateScrollbarsInner(cm, measureForScrollbars(cm));
+ startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
}
- },
+ }
+ // Re-synchronize the fake scrollbars with the actual size of the
+ // content.
+ function updateScrollbarsInner(cm, measure) {
+ var d = cm.display;
+ var sizes = d.scrollbars.update(measure);
- /**
- * Update target style
- * @param {string} value
- * @param {string} name
- * @param {Object} opts
- */
- updateTargetStyle: function updateTargetStyle(value) {
- var name = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : '';
- var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
-
- var property = name || this.model.get('property');
- var target = this.getTarget();
- var style = target.getStyle();
-
- if (value) {
- style[property] = value;
- } else {
- delete style[property];
- }
-
- target.setStyle(style, opts);
+ d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
+ d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
+ d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
- // Helper is used by `states` like ':hover' to show its preview
- var helper = this.getHelperModel();
- helper && helper.setStyle(style, opts);
- },
+ if (sizes.right && sizes.bottom) {
+ d.scrollbarFiller.style.display = "block";
+ d.scrollbarFiller.style.height = sizes.bottom + "px";
+ d.scrollbarFiller.style.width = sizes.right + "px";
+ } else { d.scrollbarFiller.style.display = ""; }
+ if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
+ d.gutterFiller.style.display = "block";
+ d.gutterFiller.style.height = sizes.bottom + "px";
+ d.gutterFiller.style.width = measure.gutterWidth + "px";
+ } else { d.gutterFiller.style.display = ""; }
+ }
+ var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
- /**
- * Check if target is stylable with this property
- * The target could be the Component as the CSS Rule
- * @return {Boolean}
- */
- isTargetStylable: function isTargetStylable(target) {
- if (this.model.get('id') == 'flex-width') {
- //debugger;
+ function initScrollbars(cm) {
+ if (cm.display.scrollbars) {
+ cm.display.scrollbars.clear();
+ if (cm.display.scrollbars.addClass)
+ { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
}
- var trg = target || this.getTarget();
- var model = this.model;
- var property = model.get('property');
- var toRequire = model.get('toRequire');
- var unstylable = trg.get('unstylable');
- var stylableReq = trg.get('stylable-require');
- var stylable = trg.get('stylable');
- // Stylable could also be an array indicating with which property
- // the target could be styled
- if ((0, _underscore.isArray)(stylable)) {
- stylable = stylable.indexOf(property) >= 0;
- }
+ cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
+ cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
+ // Prevent clicks in the scrollbars from killing focus
+ on(node, "mousedown", function () {
+ if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
+ });
+ node.setAttribute("cm-not-content", "true");
+ }, function (pos, axis) {
+ if (axis == "horizontal") { setScrollLeft(cm, pos); }
+ else { updateScrollTop(cm, pos); }
+ }, cm);
+ if (cm.display.scrollbars.addClass)
+ { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+ }
+
+ // Operations are used to wrap a series of changes to the editor
+ // state in such a way that each change won't have to update the
+ // cursor and display (which would be awkward, slow, and
+ // error-prone). Instead, display updates are batched and then all
+ // combined and executed at once.
+
+ var nextOpId = 0;
+ // Start a new operation.
+ function startOperation(cm) {
+ cm.curOp = {
+ cm: cm,
+ viewChanged: false, // Flag that indicates that lines might need to be redrawn
+ startHeight: cm.doc.height, // Used to detect need to update scrollbar
+ forceUpdate: false, // Used to force a redraw
+ updateInput: 0, // Whether to reset the input textarea
+ typing: false, // Whether this reset should be careful to leave existing text (for compositing)
+ changeObjs: null, // Accumulated changes, for firing change events
+ cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
+ cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
+ selectionChanged: false, // Whether the selection needs to be redrawn
+ updateMaxLine: false, // Set when the widest line needs to be determined anew
+ scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
+ scrollToPos: null, // Used to scroll to a specific position
+ focus: false,
+ id: ++nextOpId // Unique ID
+ };
+ pushOperation(cm.curOp);
+ }
- // Check if the property was signed as unstylable
- if ((0, _underscore.isArray)(unstylable)) {
- stylable = unstylable.indexOf(property) < 0;
- }
+ // Finish an operation, updating the display and signalling delayed events
+ function endOperation(cm) {
+ var op = cm.curOp;
+ if (op) { finishOperation(op, function (group) {
+ for (var i = 0; i < group.ops.length; i++)
+ { group.ops[i].cm.curOp = null; }
+ endOperations(group);
+ }); }
+ }
- // Check if the property is available only if requested
- if (toRequire) {
- stylable = stylableReq && stylableReq.indexOf(property) >= 0 || !target;
- }
+ // The DOM updates done when an operation finishes are batched so
+ // that the minimum number of relayouts are required.
+ function endOperations(group) {
+ var ops = group.ops;
+ for (var i = 0; i < ops.length; i++) // Read DOM
+ { endOperation_R1(ops[i]); }
+ for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
+ { endOperation_W1(ops[i$1]); }
+ for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
+ { endOperation_R2(ops[i$2]); }
+ for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
+ { endOperation_W2(ops[i$3]); }
+ for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
+ { endOperation_finish(ops[i$4]); }
+ }
- return stylable;
- },
+ function endOperation_R1(op) {
+ var cm = op.cm, display = cm.display;
+ maybeClipScrollbars(cm);
+ if (op.updateMaxLine) { findMaxLine(cm); }
+ op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
+ op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
+ op.scrollToPos.to.line >= display.viewTo) ||
+ display.maxLineChanged && cm.options.lineWrapping;
+ op.update = op.mustUpdate &&
+ new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
+ }
- /**
- * Check if the selected component is stylable with this property
- * The target could be the Component as the CSS Rule
- * @return {Boolean}
- */
- isComponentStylable: function isComponentStylable() {
- var em = this.em;
- var component = em && em.get('selectedComponent');
+ function endOperation_W1(op) {
+ op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
+ }
- if (!component) {
- return true;
- }
+ function endOperation_R2(op) {
+ var cm = op.cm, display = cm.display;
+ if (op.updatedDisplay) { updateHeightsInViewport(cm); }
- return this.isTargetStylable(component);
- },
+ op.barMeasure = measureForScrollbars(cm);
+ // If the max line changed since it was last measured, measure it,
+ // and ensure the document's width matches it.
+ // updateDisplay_W2 will use these properties to do the actual resizing
+ if (display.maxLineChanged && !cm.options.lineWrapping) {
+ op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
+ cm.display.sizerWidth = op.adjustWidthTo;
+ op.barMeasure.scrollWidth =
+ Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
+ op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
+ }
- /**
- * Passed a raw value you have to update the input element, generally
- * is the value fetched from targets, so you can receive values with
- * functions, units, etc. (eg. `rotateY(45deg)`)
- * get also
- * @param {string} value
- * @private
- */
- setRawValue: function setRawValue(value) {
- this.setValue(this.model.parseValue(value));
- },
+ if (op.updatedDisplay || op.selectionChanged)
+ { op.preparedSelection = display.input.prepareSelection(); }
+ }
+ function endOperation_W2(op) {
+ var cm = op.cm;
- /**
- * Update the element input.
- * Usually the value is a result of `model.getFullValue()`
- * @param {String} value The value from the model
- * */
- setValue: function setValue(value) {
- var model = this.model;
- var val = value || model.getDefaultValue();
- var input = this.getInputEl();
- input && (input.value = val);
- },
- getInputEl: function getInputEl() {
- if (!this.input) {
- this.input = this.el.querySelector('input');
+ if (op.adjustWidthTo != null) {
+ cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
+ if (op.maxScrollLeft < cm.doc.scrollLeft)
+ { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
+ cm.display.maxLineChanged = false;
}
- return this.input;
- },
- updateVisibility: function updateVisibility() {
- this.el.style.display = this.model.get('visible') ? 'block' : 'none';
- },
- show: function show() {
- this.model.set('visible', 1);
- },
- hide: function hide() {
- this.model.set('visible', 0);
- },
-
+ var takeFocus = op.focus && op.focus == activeElt();
+ if (op.preparedSelection)
+ { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
+ if (op.updatedDisplay || op.startHeight != cm.doc.height)
+ { updateScrollbars(cm, op.barMeasure); }
+ if (op.updatedDisplay)
+ { setDocumentHeight(cm, op.barMeasure); }
- /**
- * Clean input
- * */
- cleanValue: function cleanValue() {
- this.setValue('');
- },
- render: function render() {
- var pfx = this.pfx;
- var model = this.model;
- var el = this.el;
- el.innerHTML = this.template(model);
- el.className = pfx + 'property ' + pfx + model.get('type');
- this.updateStatus();
+ if (op.selectionChanged) { restartBlink(cm); }
- var onRender = this.onRender && this.onRender.bind(this);
- onRender && onRender();
- this.setValue(model.get('value'), { targetUpdate: 1 });
+ if (cm.state.focused && op.updateInput)
+ { cm.display.input.reset(op.typing); }
+ if (takeFocus) { ensureFocus(op.cm); }
}
-});
-/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(0)))
-
-/***/ }),
-/* 6 */
-/***/ (function(module, exports, __webpack_require__) {
-
-// CodeMirror, copyright (c) by Marijn Haverbeke and others
-// Distributed under an MIT license: http://codemirror.net/LICENSE
-// This is CodeMirror (http://codemirror.net), a code editor
-// implemented in JavaScript on top of the browser's DOM.
-//
-// You can find some technical background for some of the code below
-// at http://marijnhaverbeke.nl/blog/#cm-internals .
+ function endOperation_finish(op) {
+ var cm = op.cm, display = cm.display, doc = cm.doc;
-(function (global, factory) {
- true ? module.exports = factory() :
- typeof define === 'function' && define.amd ? define(factory) :
- (global.CodeMirror = factory());
-}(this, (function () { 'use strict';
+ if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }
-// Kludges for bugs and behavior differences that can't be feature
-// detected are enabled based on userAgent etc sniffing.
-var userAgent = navigator.userAgent;
-var platform = navigator.platform;
-
-var gecko = /gecko\/\d/i.test(userAgent);
-var ie_upto10 = /MSIE \d/.test(userAgent);
-var ie_11up = /Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(userAgent);
-var edge = /Edge\/(\d+)/.exec(userAgent);
-var ie = ie_upto10 || ie_11up || edge;
-var ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);
-var webkit = !edge && /WebKit\//.test(userAgent);
-var qtwebkit = webkit && /Qt\/\d+\.\d+/.test(userAgent);
-var chrome = !edge && /Chrome\//.test(userAgent);
-var presto = /Opera\//.test(userAgent);
-var safari = /Apple Computer/.test(navigator.vendor);
-var mac_geMountainLion = /Mac OS X 1\d\D([8-9]|\d\d)\D/.test(userAgent);
-var phantom = /PhantomJS/.test(userAgent);
-
-var ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\/\w+/.test(userAgent);
-var android = /Android/.test(userAgent);
-// This is woefully incomplete. Suggestions for alternative methods welcome.
-var mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);
-var mac = ios || /Mac/.test(platform);
-var chromeOS = /\bCrOS\b/.test(userAgent);
-var windows = /win/i.test(platform);
-
-var presto_version = presto && userAgent.match(/Version\/(\d*\.\d*)/);
-if (presto_version) { presto_version = Number(presto_version[1]); }
-if (presto_version && presto_version >= 15) { presto = false; webkit = true; }
-// Some browsers use the wrong event properties to signal cmd/ctrl on OS X
-var flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));
-var captureRightClick = gecko || (ie && ie_version >= 9);
-
-function classTest(cls) { return new RegExp("(^|\\s)" + cls + "(?:$|\\s)\\s*") }
-
-var rmClass = function(node, cls) {
- var current = node.className;
- var match = classTest(cls).exec(current);
- if (match) {
- var after = current.slice(match.index + match[0].length);
- node.className = current.slice(0, match.index) + (after ? match[1] + after : "");
- }
-};
+ // Abort mouse wheel delta measurement, when scrolling explicitly
+ if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
+ { display.wheelStartX = display.wheelStartY = null; }
-function removeChildren(e) {
- for (var count = e.childNodes.length; count > 0; --count)
- { e.removeChild(e.firstChild); }
- return e
-}
+ // Propagate the scroll position to the actual DOM scroller
+ if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }
-function removeChildrenAndAdd(parent, e) {
- return removeChildren(parent).appendChild(e)
-}
+ if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
+ // If we need to scroll a specific position into view, do so.
+ if (op.scrollToPos) {
+ var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
+ clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
+ maybeScrollWindow(cm, rect);
+ }
-function elt(tag, content, className, style) {
- var e = document.createElement(tag);
- if (className) { e.className = className; }
- if (style) { e.style.cssText = style; }
- if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }
- else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }
- return e
-}
-// wrapper for elt, which removes the elt from the accessibility tree
-function eltP(tag, content, className, style) {
- var e = elt(tag, content, className, style);
- e.setAttribute("role", "presentation");
- return e
-}
+ // Fire events for markers that are hidden/unidden by editing or
+ // undoing
+ var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
+ if (hidden) { for (var i = 0; i < hidden.length; ++i)
+ { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
+ if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
+ { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }
-var range;
-if (document.createRange) { range = function(node, start, end, endNode) {
- var r = document.createRange();
- r.setEnd(endNode || node, end);
- r.setStart(node, start);
- return r
-}; }
-else { range = function(node, start, end) {
- var r = document.body.createTextRange();
- try { r.moveToElementText(node.parentNode); }
- catch(e) { return r }
- r.collapse(true);
- r.moveEnd("character", end);
- r.moveStart("character", start);
- return r
-}; }
-
-function contains(parent, child) {
- if (child.nodeType == 3) // Android browser always returns false when child is a textnode
- { child = child.parentNode; }
- if (parent.contains)
- { return parent.contains(child) }
- do {
- if (child.nodeType == 11) { child = child.host; }
- if (child == parent) { return true }
- } while (child = child.parentNode)
-}
+ if (display.wrapper.offsetHeight)
+ { doc.scrollTop = cm.display.scroller.scrollTop; }
-function activeElt() {
- // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.
- // IE < 10 will throw when accessed while the page is loading or in an iframe.
- // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.
- var activeElement;
- try {
- activeElement = document.activeElement;
- } catch(e) {
- activeElement = document.body || null;
+ // Fire change events, and delayed event handlers
+ if (op.changeObjs)
+ { signal(cm, "changes", cm, op.changeObjs); }
+ if (op.update)
+ { op.update.finish(); }
}
- while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)
- { activeElement = activeElement.shadowRoot.activeElement; }
- return activeElement
-}
-function addClass(node, cls) {
- var current = node.className;
- if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }
-}
-function joinClasses(a, b) {
- var as = a.split(" ");
- for (var i = 0; i < as.length; i++)
- { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }
- return b
-}
+ // Run the given function in an operation
+ function runInOp(cm, f) {
+ if (cm.curOp) { return f() }
+ startOperation(cm);
+ try { return f() }
+ finally { endOperation(cm); }
+ }
+ // Wraps a function in an operation. Returns the wrapped function.
+ function operation(cm, f) {
+ return function() {
+ if (cm.curOp) { return f.apply(cm, arguments) }
+ startOperation(cm);
+ try { return f.apply(cm, arguments) }
+ finally { endOperation(cm); }
+ }
+ }
+ // Used to add methods to editor and doc instances, wrapping them in
+ // operations.
+ function methodOp(f) {
+ return function() {
+ if (this.curOp) { return f.apply(this, arguments) }
+ startOperation(this);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(this); }
+ }
+ }
+ function docMethodOp(f) {
+ return function() {
+ var cm = this.cm;
+ if (!cm || cm.curOp) { return f.apply(this, arguments) }
+ startOperation(cm);
+ try { return f.apply(this, arguments) }
+ finally { endOperation(cm); }
+ }
+ }
+
+ // HIGHLIGHT WORKER
+
+ function startWorker(cm, time) {
+ if (cm.doc.highlightFrontier < cm.display.viewTo)
+ { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
+ }
+
+ function highlightWorker(cm) {
+ var doc = cm.doc;
+ if (doc.highlightFrontier >= cm.display.viewTo) { return }
+ var end = +new Date + cm.options.workTime;
+ var context = getContextBefore(cm, doc.highlightFrontier);
+ var changedLines = [];
+
+ doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
+ if (context.line >= cm.display.viewFrom) { // Visible
+ var oldStyles = line.styles;
+ var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
+ var highlighted = highlightLine(cm, line, context, true);
+ if (resetState) { context.state = resetState; }
+ line.styles = highlighted.styles;
+ var oldCls = line.styleClasses, newCls = highlighted.classes;
+ if (newCls) { line.styleClasses = newCls; }
+ else if (oldCls) { line.styleClasses = null; }
+ var ischange = !oldStyles || oldStyles.length != line.styles.length ||
+ oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
+ for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
+ if (ischange) { changedLines.push(context.line); }
+ line.stateAfter = context.save();
+ context.nextLine();
+ } else {
+ if (line.text.length <= cm.options.maxHighlightLength)
+ { processLine(cm, line.text, context); }
+ line.stateAfter = context.line % 5 == 0 ? context.save() : null;
+ context.nextLine();
+ }
+ if (+new Date > end) {
+ startWorker(cm, cm.options.workDelay);
+ return true
+ }
+ });
+ doc.highlightFrontier = context.line;
+ doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
+ if (changedLines.length) { runInOp(cm, function () {
+ for (var i = 0; i < changedLines.length; i++)
+ { regLineChange(cm, changedLines[i], "text"); }
+ }); }
+ }
-var selectInput = function(node) { node.select(); };
-if (ios) // Mobile Safari apparently has a bug where select() is broken.
- { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }
-else if (ie) // Suppress mysterious IE10 errors
- { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }
+ // DISPLAY DRAWING
-function bind(f) {
- var args = Array.prototype.slice.call(arguments, 1);
- return function(){return f.apply(null, args)}
-}
+ var DisplayUpdate = function(cm, viewport, force) {
+ var display = cm.display;
-function copyObj(obj, target, overwrite) {
- if (!target) { target = {}; }
- for (var prop in obj)
- { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))
- { target[prop] = obj[prop]; } }
- return target
-}
+ this.viewport = viewport;
+ // Store some values that we'll need later (but don't want to force a relayout for)
+ this.visible = visibleLines(display, cm.doc, viewport);
+ this.editorIsHidden = !display.wrapper.offsetWidth;
+ this.wrapperHeight = display.wrapper.clientHeight;
+ this.wrapperWidth = display.wrapper.clientWidth;
+ this.oldDisplayWidth = displayWidth(cm);
+ this.force = force;
+ this.dims = getDimensions(cm);
+ this.events = [];
+ };
-// Counts the column offset in a string, taking tabs into account.
-// Used mostly to find indentation.
-function countColumn(string, end, tabSize, startIndex, startValue) {
- if (end == null) {
- end = string.search(/[^\s\u00a0]/);
- if (end == -1) { end = string.length; }
- }
- for (var i = startIndex || 0, n = startValue || 0;;) {
- var nextTab = string.indexOf("\t", i);
- if (nextTab < 0 || nextTab >= end)
- { return n + (end - i) }
- n += nextTab - i;
- n += tabSize - (n % tabSize);
- i = nextTab + 1;
- }
-}
+ DisplayUpdate.prototype.signal = function (emitter, type) {
+ if (hasHandler(emitter, type))
+ { this.events.push(arguments); }
+ };
+ DisplayUpdate.prototype.finish = function () {
+ var this$1 = this;
-var Delayed = function() {this.id = null;};
-Delayed.prototype.set = function (ms, f) {
- clearTimeout(this.id);
- this.id = setTimeout(f, ms);
-};
+ for (var i = 0; i < this.events.length; i++)
+ { signal.apply(null, this$1.events[i]); }
+ };
-function indexOf(array, elt) {
- for (var i = 0; i < array.length; ++i)
- { if (array[i] == elt) { return i } }
- return -1
-}
+ function maybeClipScrollbars(cm) {
+ var display = cm.display;
+ if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
+ display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
+ display.heightForcer.style.height = scrollGap(cm) + "px";
+ display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
+ display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
+ display.scrollbarsClipped = true;
+ }
+ }
-// Number of pixels added to scroller and sizer to hide scrollbar
-var scrollerGap = 30;
-
-// Returned or thrown by various protocols to signal 'I'm not
-// handling this'.
-var Pass = {toString: function(){return "CodeMirror.Pass"}};
-
-// Reused option objects for setSelection & friends
-var sel_dontScroll = {scroll: false};
-var sel_mouse = {origin: "*mouse"};
-var sel_move = {origin: "+move"};
-
-// The inverse of countColumn -- find the offset that corresponds to
-// a particular column.
-function findColumn(string, goal, tabSize) {
- for (var pos = 0, col = 0;;) {
- var nextTab = string.indexOf("\t", pos);
- if (nextTab == -1) { nextTab = string.length; }
- var skipped = nextTab - pos;
- if (nextTab == string.length || col + skipped >= goal)
- { return pos + Math.min(skipped, goal - col) }
- col += nextTab - pos;
- col += tabSize - (col % tabSize);
- pos = nextTab + 1;
- if (col >= goal) { return pos }
+ function selectionSnapshot(cm) {
+ if (cm.hasFocus()) { return null }
+ var active = activeElt();
+ if (!active || !contains(cm.display.lineDiv, active)) { return null }
+ var result = {activeElt: active};
+ if (window.getSelection) {
+ var sel = window.getSelection();
+ if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
+ result.anchorNode = sel.anchorNode;
+ result.anchorOffset = sel.anchorOffset;
+ result.focusNode = sel.focusNode;
+ result.focusOffset = sel.focusOffset;
+ }
+ }
+ return result
}
-}
-var spaceStrs = [""];
-function spaceStr(n) {
- while (spaceStrs.length <= n)
- { spaceStrs.push(lst(spaceStrs) + " "); }
- return spaceStrs[n]
-}
+ function restoreSelection(snapshot) {
+ if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
+ snapshot.activeElt.focus();
+ if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
+ var sel = window.getSelection(), range$$1 = document.createRange();
+ range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
+ range$$1.collapse(false);
+ sel.removeAllRanges();
+ sel.addRange(range$$1);
+ sel.extend(snapshot.focusNode, snapshot.focusOffset);
+ }
+ }
-function lst(arr) { return arr[arr.length-1] }
+ // Does the actual updating of the line display. Bails out
+ // (returning false) when there is nothing to be done and forced is
+ // false.
+ function updateDisplayIfNeeded(cm, update) {
+ var display = cm.display, doc = cm.doc;
-function map(array, f) {
- var out = [];
- for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }
- return out
-}
+ if (update.editorIsHidden) {
+ resetView(cm);
+ return false
+ }
-function insertSorted(array, value, score) {
- var pos = 0, priority = score(value);
- while (pos < array.length && score(array[pos]) <= priority) { pos++; }
- array.splice(pos, 0, value);
-}
+ // Bail out if the visible area is already rendered and nothing changed.
+ if (!update.force &&
+ update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
+ display.renderedView == display.view && countDirtyView(cm) == 0)
+ { return false }
-function nothing() {}
+ if (maybeUpdateLineNumberWidth(cm)) {
+ resetView(cm);
+ update.dims = getDimensions(cm);
+ }
+
+ // Compute a suitable new viewport (from & to)
+ var end = doc.first + doc.size;
+ var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
+ var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
+ if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
+ if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
+ if (sawCollapsedSpans) {
+ from = visualLineNo(cm.doc, from);
+ to = visualLineEndNo(cm.doc, to);
+ }
+
+ var different = from != display.viewFrom || to != display.viewTo ||
+ display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
+ adjustView(cm, from, to);
+
+ display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
+ // Position the mover div to align with the current scroll position
+ cm.display.mover.style.top = display.viewOffset + "px";
+
+ var toUpdate = countDirtyView(cm);
+ if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
+ (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
+ { return false }
+
+ // For big changes, we hide the enclosing element during the
+ // update, since that speeds up the operations on most browsers.
+ var selSnapshot = selectionSnapshot(cm);
+ if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
+ patchDisplay(cm, display.updateLineNumbers, update.dims);
+ if (toUpdate > 4) { display.lineDiv.style.display = ""; }
+ display.renderedView = display.view;
+ // There might have been a widget with a focused element that got
+ // hidden or updated, if so re-focus it.
+ restoreSelection(selSnapshot);
+
+ // Prevent selection and cursors from interfering with the scroll
+ // width and height.
+ removeChildren(display.cursorDiv);
+ removeChildren(display.selectionDiv);
+ display.gutters.style.height = display.sizer.style.minHeight = 0;
+
+ if (different) {
+ display.lastWrapHeight = update.wrapperHeight;
+ display.lastWrapWidth = update.wrapperWidth;
+ startWorker(cm, 400);
+ }
+
+ display.updateLineNumbers = null;
-function createObj(base, props) {
- var inst;
- if (Object.create) {
- inst = Object.create(base);
- } else {
- nothing.prototype = base;
- inst = new nothing();
+ return true
}
- if (props) { copyObj(props, inst); }
- return inst
-}
-
-var nonASCIISingleCaseWordChar = /[\u00df\u0587\u0590-\u05f4\u0600-\u06ff\u3040-\u309f\u30a0-\u30ff\u3400-\u4db5\u4e00-\u9fcc\uac00-\ud7af]/;
-function isWordCharBasic(ch) {
- return /\w/.test(ch) || ch > "\x80" &&
- (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))
-}
-function isWordChar(ch, helper) {
- if (!helper) { return isWordCharBasic(ch) }
- if (helper.source.indexOf("\\w") > -1 && isWordCharBasic(ch)) { return true }
- return helper.test(ch)
-}
-
-function isEmpty(obj) {
- for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }
- return true
-}
-// Extending unicode characters. A series of a non-extending char +
-// any number of extending chars is treated as a single unit as far
-// as editing and measuring is concerned. This is not fully correct,
-// since some scripts/fonts/browsers also treat other configurations
-// of code points as a group.
-var extendingChars = /[\u0300-\u036f\u0483-\u0489\u0591-\u05bd\u05bf\u05c1\u05c2\u05c4\u05c5\u05c7\u0610-\u061a\u064b-\u065e\u0670\u06d6-\u06dc\u06de-\u06e4\u06e7\u06e8\u06ea-\u06ed\u0711\u0730-\u074a\u07a6-\u07b0\u07eb-\u07f3\u0816-\u0819\u081b-\u0823\u0825-\u0827\u0829-\u082d\u0900-\u0902\u093c\u0941-\u0948\u094d\u0951-\u0955\u0962\u0963\u0981\u09bc\u09be\u09c1-\u09c4\u09cd\u09d7\u09e2\u09e3\u0a01\u0a02\u0a3c\u0a41\u0a42\u0a47\u0a48\u0a4b-\u0a4d\u0a51\u0a70\u0a71\u0a75\u0a81\u0a82\u0abc\u0ac1-\u0ac5\u0ac7\u0ac8\u0acd\u0ae2\u0ae3\u0b01\u0b3c\u0b3e\u0b3f\u0b41-\u0b44\u0b4d\u0b56\u0b57\u0b62\u0b63\u0b82\u0bbe\u0bc0\u0bcd\u0bd7\u0c3e-\u0c40\u0c46-\u0c48\u0c4a-\u0c4d\u0c55\u0c56\u0c62\u0c63\u0cbc\u0cbf\u0cc2\u0cc6\u0ccc\u0ccd\u0cd5\u0cd6\u0ce2\u0ce3\u0d3e\u0d41-\u0d44\u0d4d\u0d57\u0d62\u0d63\u0dca\u0dcf\u0dd2-\u0dd4\u0dd6\u0ddf\u0e31\u0e34-\u0e3a\u0e47-\u0e4e\u0eb1\u0eb4-\u0eb9\u0ebb\u0ebc\u0ec8-\u0ecd\u0f18\u0f19\u0f35\u0f37\u0f39\u0f71-\u0f7e\u0f80-\u0f84\u0f86\u0f87\u0f90-\u0f97\u0f99-\u0fbc\u0fc6\u102d-\u1030\u1032-\u1037\u1039\u103a\u103d\u103e\u1058\u1059\u105e-\u1060\u1071-\u1074\u1082\u1085\u1086\u108d\u109d\u135f\u1712-\u1714\u1732-\u1734\u1752\u1753\u1772\u1773\u17b7-\u17bd\u17c6\u17c9-\u17d3\u17dd\u180b-\u180d\u18a9\u1920-\u1922\u1927\u1928\u1932\u1939-\u193b\u1a17\u1a18\u1a56\u1a58-\u1a5e\u1a60\u1a62\u1a65-\u1a6c\u1a73-\u1a7c\u1a7f\u1b00-\u1b03\u1b34\u1b36-\u1b3a\u1b3c\u1b42\u1b6b-\u1b73\u1b80\u1b81\u1ba2-\u1ba5\u1ba8\u1ba9\u1c2c-\u1c33\u1c36\u1c37\u1cd0-\u1cd2\u1cd4-\u1ce0\u1ce2-\u1ce8\u1ced\u1dc0-\u1de6\u1dfd-\u1dff\u200c\u200d\u20d0-\u20f0\u2cef-\u2cf1\u2de0-\u2dff\u302a-\u302f\u3099\u309a\ua66f-\ua672\ua67c\ua67d\ua6f0\ua6f1\ua802\ua806\ua80b\ua825\ua826\ua8c4\ua8e0-\ua8f1\ua926-\ua92d\ua947-\ua951\ua980-\ua982\ua9b3\ua9b6-\ua9b9\ua9bc\uaa29-\uaa2e\uaa31\uaa32\uaa35\uaa36\uaa43\uaa4c\uaab0\uaab2-\uaab4\uaab7\uaab8\uaabe\uaabf\uaac1\uabe5\uabe8\uabed\udc00-\udfff\ufb1e\ufe00-\ufe0f\ufe20-\ufe26\uff9e\uff9f]/;
-function isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }
-
-// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.
-function skipExtendingChars(str, pos, dir) {
- while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }
- return pos
-}
+ function postUpdateDisplay(cm, update) {
+ var viewport = update.viewport;
-// Returns the value from the range [`from`; `to`] that satisfies
-// `pred` and is closest to `from`. Assumes that at least `to`
-// satisfies `pred`. Supports `from` being greater than `to`.
-function findFirst(pred, from, to) {
- // At any point we are certain `to` satisfies `pred`, don't know
- // whether `from` does.
- var dir = from > to ? -1 : 1;
- for (;;) {
- if (from == to) { return from }
- var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);
- if (mid == from) { return pred(mid) ? from : to }
- if (pred(mid)) { to = mid; }
- else { from = mid + dir; }
+ for (var first = true;; first = false) {
+ if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
+ // Clip forced viewport to actual scrollable area.
+ if (viewport && viewport.top != null)
+ { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
+ // Updated line heights might result in the drawn area not
+ // actually covering the viewport. Keep looping until it does.
+ update.visible = visibleLines(cm.display, cm.doc, viewport);
+ if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
+ { break }
+ }
+ if (!updateDisplayIfNeeded(cm, update)) { break }
+ updateHeightsInViewport(cm);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.force = false;
+ }
+
+ update.signal(cm, "update", cm);
+ if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
+ update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
+ cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
+ }
+ }
+
+ function updateDisplaySimple(cm, viewport) {
+ var update = new DisplayUpdate(cm, viewport);
+ if (updateDisplayIfNeeded(cm, update)) {
+ updateHeightsInViewport(cm);
+ postUpdateDisplay(cm, update);
+ var barMeasure = measureForScrollbars(cm);
+ updateSelection(cm);
+ updateScrollbars(cm, barMeasure);
+ setDocumentHeight(cm, barMeasure);
+ update.finish();
+ }
+ }
+
+ // Sync the actual display DOM structure with display.view, removing
+ // nodes for lines that are no longer in view, and creating the ones
+ // that are not there yet, and updating the ones that are out of
+ // date.
+ function patchDisplay(cm, updateNumbersFrom, dims) {
+ var display = cm.display, lineNumbers = cm.options.lineNumbers;
+ var container = display.lineDiv, cur = container.firstChild;
+
+ function rm(node) {
+ var next = node.nextSibling;
+ // Works around a throw-scroll bug in OS X Webkit
+ if (webkit && mac && cm.display.currentWheelTarget == node)
+ { node.style.display = "none"; }
+ else
+ { node.parentNode.removeChild(node); }
+ return next
+ }
+
+ var view = display.view, lineN = display.viewFrom;
+ // Loop over the elements in the view, syncing cur (the DOM nodes
+ // in display.lineDiv) with the view as we go.
+ for (var i = 0; i < view.length; i++) {
+ var lineView = view[i];
+ if (lineView.hidden) ; else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
+ var node = buildLineElement(cm, lineView, lineN, dims);
+ container.insertBefore(node, cur);
+ } else { // Already drawn
+ while (cur != lineView.node) { cur = rm(cur); }
+ var updateNumber = lineNumbers && updateNumbersFrom != null &&
+ updateNumbersFrom <= lineN && lineView.lineNumber;
+ if (lineView.changes) {
+ if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
+ updateLineForChanges(cm, lineView, lineN, dims);
+ }
+ if (updateNumber) {
+ removeChildren(lineView.lineNumber);
+ lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
+ }
+ cur = lineView.node.nextSibling;
+ }
+ lineN += lineView.size;
+ }
+ while (cur) { cur = rm(cur); }
+ }
+
+ function updateGutterSpace(display) {
+ var width = display.gutters.offsetWidth;
+ display.sizer.style.marginLeft = width + "px";
+ }
+
+ function setDocumentHeight(cm, measure) {
+ cm.display.sizer.style.minHeight = measure.docHeight + "px";
+ cm.display.heightForcer.style.top = measure.docHeight + "px";
+ cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
+ }
+
+ // Re-align line numbers and gutter marks to compensate for
+ // horizontal scrolling.
+ function alignHorizontally(cm) {
+ var display = cm.display, view = display.view;
+ if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
+ var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
+ var gutterW = display.gutters.offsetWidth, left = comp + "px";
+ for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
+ if (cm.options.fixedGutter) {
+ if (view[i].gutter)
+ { view[i].gutter.style.left = left; }
+ if (view[i].gutterBackground)
+ { view[i].gutterBackground.style.left = left; }
+ }
+ var align = view[i].alignable;
+ if (align) { for (var j = 0; j < align.length; j++)
+ { align[j].style.left = left; } }
+ } }
+ if (cm.options.fixedGutter)
+ { display.gutters.style.left = (comp + gutterW) + "px"; }
+ }
+
+ // Used to ensure that the line number gutter is still the right
+ // size for the current document size. Returns true when an update
+ // is needed.
+ function maybeUpdateLineNumberWidth(cm) {
+ if (!cm.options.lineNumbers) { return false }
+ var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
+ if (last.length != display.lineNumChars) {
+ var test = display.measure.appendChild(elt("div", [elt("div", last)],
+ "CodeMirror-linenumber CodeMirror-gutter-elt"));
+ var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
+ display.lineGutter.style.width = "";
+ display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
+ display.lineNumWidth = display.lineNumInnerWidth + padding;
+ display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
+ display.lineGutter.style.width = display.lineNumWidth + "px";
+ updateGutterSpace(cm.display);
+ return true
+ }
+ return false
}
-}
-// The display handles the DOM integration, both for input reading
-// and content drawing. It holds references to DOM nodes and
-// display-related state.
-
-function Display(place, doc, input) {
- var d = this;
- this.input = input;
-
- // Covers bottom-right square when both scrollbars are present.
- d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
- d.scrollbarFiller.setAttribute("cm-not-content", "true");
- // Covers bottom of gutter when coverGutterNextToScrollbar is on
- // and h scrollbar is present.
- d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
- d.gutterFiller.setAttribute("cm-not-content", "true");
- // Will contain the actual code, positioned to cover the viewport.
- d.lineDiv = eltP("div", null, "CodeMirror-code");
- // Elements are added to these to represent selection and cursors.
- d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
- d.cursorDiv = elt("div", null, "CodeMirror-cursors");
- // A visibility: hidden element used to find the size of things.
- d.measure = elt("div", null, "CodeMirror-measure");
- // When lines outside of the viewport are measured, they are drawn in this.
- d.lineMeasure = elt("div", null, "CodeMirror-measure");
- // Wraps everything that needs to exist inside the vertically-padded coordinate system
- d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
- null, "position: relative; outline: none");
- var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
- // Moved around its parent to cover visible view.
- d.mover = elt("div", [lines], null, "position: relative");
- // Set to the height of the document, allowing scrolling.
- d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
- d.sizerWidth = null;
- // Behavior of elts with overflow: auto and padding is
- // inconsistent across browsers. This is used to ensure the
- // scrollable area is big enough.
- d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
- // Will contain the gutters, if any.
- d.gutters = elt("div", null, "CodeMirror-gutters");
- d.lineGutter = null;
- // Actual scrollable element.
- d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
- d.scroller.setAttribute("tabIndex", "-1");
- // The element in which the editor lives.
- d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
-
- // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
- if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
- if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }
-
- if (place) {
- if (place.appendChild) { place.appendChild(d.wrapper); }
- else { place(d.wrapper); }
- }
-
- // Current rendered range (may be bigger than the view window).
- d.viewFrom = d.viewTo = doc.first;
- d.reportedViewFrom = d.reportedViewTo = doc.first;
- // Information about the rendered lines.
- d.view = [];
- d.renderedView = null;
- // Holds info about a single rendered line when it was rendered
- // for measurement, while not in view.
- d.externalMeasured = null;
- // Empty space (in pixels) above the view
- d.viewOffset = 0;
- d.lastWrapHeight = d.lastWrapWidth = 0;
- d.updateLineNumbers = null;
-
- d.nativeBarWidth = d.barHeight = d.barWidth = 0;
- d.scrollbarsClipped = false;
-
- // Used to only resize the line number gutter when necessary (when
- // the amount of lines crosses a boundary that makes its width change)
- d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
- // Set to true when a non-horizontal-scrolling line widget is
- // added. As an optimization, line widget aligning is skipped when
- // this is false.
- d.alignWidgets = false;
-
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
-
- // Tracks the maximum line length so that the horizontal scrollbar
- // can be kept static when scrolling.
- d.maxLine = null;
- d.maxLineLength = 0;
- d.maxLineChanged = false;
-
- // Used for measuring wheel scrolling granularity
- d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
-
- // True when shift is held down.
- d.shift = false;
-
- // Used to track whether anything happened since the context menu
- // was opened.
- d.selForContextMenu = null;
-
- d.activeTouch = null;
-
- input.init(d);
-}
-
-// Find the line object corresponding to the given line number.
-function getLine(doc, n) {
- n -= doc.first;
- if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }
- var chunk = doc;
- while (!chunk.lines) {
- for (var i = 0;; ++i) {
- var child = chunk.children[i], sz = child.chunkSize();
- if (n < sz) { chunk = child; break }
- n -= sz;
+ function getGutters(gutters, lineNumbers) {
+ var result = [], sawLineNumbers = false;
+ for (var i = 0; i < gutters.length; i++) {
+ var name = gutters[i], style = null;
+ if (typeof name != "string") { style = name.style; name = name.className; }
+ if (name == "CodeMirror-linenumbers") {
+ if (!lineNumbers) { continue }
+ else { sawLineNumbers = true; }
+ }
+ result.push({className: name, style: style});
}
+ if (lineNumbers && !sawLineNumbers) { result.push({className: "CodeMirror-linenumbers", style: null}); }
+ return result
}
- return chunk.lines[n]
-}
-
-// Get the part of a document between two positions, as an array of
-// strings.
-function getBetween(doc, start, end) {
- var out = [], n = start.line;
- doc.iter(start.line, end.line + 1, function (line) {
- var text = line.text;
- if (n == end.line) { text = text.slice(0, end.ch); }
- if (n == start.line) { text = text.slice(start.ch); }
- out.push(text);
- ++n;
- });
- return out
-}
-// Get the lines between from and to, as array of strings.
-function getLines(doc, from, to) {
- var out = [];
- doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value
- return out
-}
-
-// Update the height of a line, propagating the height change
-// upwards to parent nodes.
-function updateLineHeight(line, height) {
- var diff = height - line.height;
- if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }
-}
-// Given a line object, find its line number by walking up through
-// its parent links.
-function lineNo(line) {
- if (line.parent == null) { return null }
- var cur = line.parent, no = indexOf(cur.lines, line);
- for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {
- for (var i = 0;; ++i) {
- if (chunk.children[i] == cur) { break }
- no += chunk.children[i].chunkSize();
+ // Rebuild the gutter elements, ensure the margin to the left of the
+ // code matches their width.
+ function renderGutters(display) {
+ var gutters = display.gutters, specs = display.gutterSpecs;
+ removeChildren(gutters);
+ display.lineGutter = null;
+ for (var i = 0; i < specs.length; ++i) {
+ var ref = specs[i];
+ var className = ref.className;
+ var style = ref.style;
+ var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + className));
+ if (style) { gElt.style.cssText = style; }
+ if (className == "CodeMirror-linenumbers") {
+ display.lineGutter = gElt;
+ gElt.style.width = (display.lineNumWidth || 1) + "px";
+ }
}
+ gutters.style.display = specs.length ? "" : "none";
+ updateGutterSpace(display);
}
- return no + cur.first
-}
-
-// Find the line at the given vertical position, using the height
-// information in the document tree.
-function lineAtHeight(chunk, h) {
- var n = chunk.first;
- outer: do {
- for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {
- var child = chunk.children[i$1], ch = child.height;
- if (h < ch) { chunk = child; continue outer }
- h -= ch;
- n += child.chunkSize();
- }
- return n
- } while (!chunk.lines)
- var i = 0;
- for (; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i], lh = line.height;
- if (h < lh) { break }
- h -= lh;
- }
- return n + i
-}
-function isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}
+ function updateGutters(cm) {
+ renderGutters(cm.display);
+ regChange(cm);
+ alignHorizontally(cm);
+ }
+
+ // The display handles the DOM integration, both for input reading
+ // and content drawing. It holds references to DOM nodes and
+ // display-related state.
+
+ function Display(place, doc, input, options) {
+ var d = this;
+ this.input = input;
+
+ // Covers bottom-right square when both scrollbars are present.
+ d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");
+ d.scrollbarFiller.setAttribute("cm-not-content", "true");
+ // Covers bottom of gutter when coverGutterNextToScrollbar is on
+ // and h scrollbar is present.
+ d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");
+ d.gutterFiller.setAttribute("cm-not-content", "true");
+ // Will contain the actual code, positioned to cover the viewport.
+ d.lineDiv = eltP("div", null, "CodeMirror-code");
+ // Elements are added to these to represent selection and cursors.
+ d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");
+ d.cursorDiv = elt("div", null, "CodeMirror-cursors");
+ // A visibility: hidden element used to find the size of things.
+ d.measure = elt("div", null, "CodeMirror-measure");
+ // When lines outside of the viewport are measured, they are drawn in this.
+ d.lineMeasure = elt("div", null, "CodeMirror-measure");
+ // Wraps everything that needs to exist inside the vertically-padded coordinate system
+ d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],
+ null, "position: relative; outline: none");
+ var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");
+ // Moved around its parent to cover visible view.
+ d.mover = elt("div", [lines], null, "position: relative");
+ // Set to the height of the document, allowing scrolling.
+ d.sizer = elt("div", [d.mover], "CodeMirror-sizer");
+ d.sizerWidth = null;
+ // Behavior of elts with overflow: auto and padding is
+ // inconsistent across browsers. This is used to ensure the
+ // scrollable area is big enough.
+ d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");
+ // Will contain the gutters, if any.
+ d.gutters = elt("div", null, "CodeMirror-gutters");
+ d.lineGutter = null;
+ // Actual scrollable element.
+ d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");
+ d.scroller.setAttribute("tabIndex", "-1");
+ // The element in which the editor lives.
+ d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");
+
+ // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)
+ if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }
+ if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }
+
+ if (place) {
+ if (place.appendChild) { place.appendChild(d.wrapper); }
+ else { place(d.wrapper); }
+ }
+
+ // Current rendered range (may be bigger than the view window).
+ d.viewFrom = d.viewTo = doc.first;
+ d.reportedViewFrom = d.reportedViewTo = doc.first;
+ // Information about the rendered lines.
+ d.view = [];
+ d.renderedView = null;
+ // Holds info about a single rendered line when it was rendered
+ // for measurement, while not in view.
+ d.externalMeasured = null;
+ // Empty space (in pixels) above the view
+ d.viewOffset = 0;
+ d.lastWrapHeight = d.lastWrapWidth = 0;
+ d.updateLineNumbers = null;
+
+ d.nativeBarWidth = d.barHeight = d.barWidth = 0;
+ d.scrollbarsClipped = false;
+
+ // Used to only resize the line number gutter when necessary (when
+ // the amount of lines crosses a boundary that makes its width change)
+ d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;
+ // Set to true when a non-horizontal-scrolling line widget is
+ // added. As an optimization, line widget aligning is skipped when
+ // this is false.
+ d.alignWidgets = false;
+
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+
+ // Tracks the maximum line length so that the horizontal scrollbar
+ // can be kept static when scrolling.
+ d.maxLine = null;
+ d.maxLineLength = 0;
+ d.maxLineChanged = false;
+
+ // Used for measuring wheel scrolling granularity
+ d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;
+
+ // True when shift is held down.
+ d.shift = false;
+
+ // Used to track whether anything happened since the context menu
+ // was opened.
+ d.selForContextMenu = null;
+
+ d.activeTouch = null;
+
+ d.gutterSpecs = getGutters(options.gutters, options.lineNumbers);
+ renderGutters(d);
+
+ input.init(d);
+ }
+
+ // Since the delta values reported on mouse wheel events are
+ // unstandardized between browsers and even browser versions, and
+ // generally horribly unpredictable, this code starts by measuring
+ // the scroll effect that the first few mouse wheel events have,
+ // and, from that, detects the way it can convert deltas to pixel
+ // offsets afterwards.
+ //
+ // The reason we want to know the amount a wheel event will scroll
+ // is that it gives us a chance to update the display before the
+ // actual scrolling happens, reducing flickering.
+
+ var wheelSamples = 0, wheelPixelsPerUnit = null;
+ // Fill in a browser-detected starting value on browsers where we
+ // know one. These don't have to be accurate -- the result of them
+ // being wrong would just be a slight flicker on the first wheel
+ // scroll (if it is large enough).
+ if (ie) { wheelPixelsPerUnit = -.53; }
+ else if (gecko) { wheelPixelsPerUnit = 15; }
+ else if (chrome) { wheelPixelsPerUnit = -.7; }
+ else if (safari) { wheelPixelsPerUnit = -1/3; }
+
+ function wheelEventDelta(e) {
+ var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
+ if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
+ if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
+ else if (dy == null) { dy = e.wheelDelta; }
+ return {x: dx, y: dy}
+ }
+ function wheelEventPixels(e) {
+ var delta = wheelEventDelta(e);
+ delta.x *= wheelPixelsPerUnit;
+ delta.y *= wheelPixelsPerUnit;
+ return delta
+ }
+
+ function onScrollWheel(cm, e) {
+ var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
+
+ var display = cm.display, scroll = display.scroller;
+ // Quit if there's nothing to scroll here
+ var canScrollX = scroll.scrollWidth > scroll.clientWidth;
+ var canScrollY = scroll.scrollHeight > scroll.clientHeight;
+ if (!(dx && canScrollX || dy && canScrollY)) { return }
+
+ // Webkit browsers on OS X abort momentum scrolls when the target
+ // of the scroll event is removed from the scrollable element.
+ // This hack (see related code in patchDisplay) makes sure the
+ // element is kept around.
+ if (dy && mac && webkit) {
+ outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
+ for (var i = 0; i < view.length; i++) {
+ if (view[i].node == cur) {
+ cm.display.currentWheelTarget = cur;
+ break outer
+ }
+ }
+ }
+ }
-function lineNumberFor(options, i) {
- return String(options.lineNumberFormatter(i + options.firstLineNumber))
-}
+ // On some browsers, horizontal scrolling will cause redraws to
+ // happen before the gutter has been realigned, causing it to
+ // wriggle around in a most unseemly way. When we have an
+ // estimated pixels/delta value, we just handle horizontal
+ // scrolling entirely here. It'll be slightly off from native, but
+ // better than glitching out.
+ if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
+ if (dy && canScrollY)
+ { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
+ setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
+ // Only prevent default scrolling if vertical scrolling is
+ // actually possible. Otherwise, it causes vertical scroll
+ // jitter on OSX trackpads when deltaX is small and deltaY
+ // is large (issue #3579)
+ if (!dy || (dy && canScrollY))
+ { e_preventDefault(e); }
+ display.wheelStartX = null; // Abort measurement, if in progress
+ return
+ }
-// A Pos instance represents a position within the text.
-function Pos(line, ch, sticky) {
- if ( sticky === void 0 ) sticky = null;
+ // 'Project' the visible viewport to cover the area that is being
+ // scrolled into view (if we know enough to estimate it).
+ if (dy && wheelPixelsPerUnit != null) {
+ var pixels = dy * wheelPixelsPerUnit;
+ var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
+ if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
+ else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
+ updateDisplaySimple(cm, {top: top, bottom: bot});
+ }
+
+ if (wheelSamples < 20) {
+ if (display.wheelStartX == null) {
+ display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
+ display.wheelDX = dx; display.wheelDY = dy;
+ setTimeout(function () {
+ if (display.wheelStartX == null) { return }
+ var movedX = scroll.scrollLeft - display.wheelStartX;
+ var movedY = scroll.scrollTop - display.wheelStartY;
+ var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
+ (movedX && display.wheelDX && movedX / display.wheelDX);
+ display.wheelStartX = display.wheelStartY = null;
+ if (!sample) { return }
+ wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
+ ++wheelSamples;
+ }, 200);
+ } else {
+ display.wheelDX += dx; display.wheelDY += dy;
+ }
+ }
+ }
- if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }
- this.line = line;
- this.ch = ch;
- this.sticky = sticky;
-}
+ // Selection objects are immutable. A new one is created every time
+ // the selection changes. A selection is one or more non-overlapping
+ // (and non-touching) ranges, sorted, and an integer that indicates
+ // which one is the primary selection (the one that's scrolled into
+ // view, that getCursor returns, etc).
+ var Selection = function(ranges, primIndex) {
+ this.ranges = ranges;
+ this.primIndex = primIndex;
+ };
-// Compare two positions, return 0 if they are the same, a negative
-// number when a is less, and a positive number otherwise.
-function cmp(a, b) { return a.line - b.line || a.ch - b.ch }
+ Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
-function equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }
+ Selection.prototype.equals = function (other) {
+ var this$1 = this;
-function copyPos(x) {return Pos(x.line, x.ch)}
-function maxPos(a, b) { return cmp(a, b) < 0 ? b : a }
-function minPos(a, b) { return cmp(a, b) < 0 ? a : b }
+ if (other == this) { return true }
+ if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var here = this$1.ranges[i], there = other.ranges[i];
+ if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+ }
+ return true
+ };
-// Most of the external API clips given positions to make sure they
-// actually exist within the document.
-function clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}
-function clipPos(doc, pos) {
- if (pos.line < doc.first) { return Pos(doc.first, 0) }
- var last = doc.first + doc.size - 1;
- if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }
- return clipToLen(pos, getLine(doc, pos.line).text.length)
-}
-function clipToLen(pos, linelen) {
- var ch = pos.ch;
- if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }
- else if (ch < 0) { return Pos(pos.line, 0) }
- else { return pos }
-}
-function clipPosArray(doc, array) {
- var out = [];
- for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }
- return out
-}
+ Selection.prototype.deepCopy = function () {
+ var this$1 = this;
-// Optimize some code when these features are not used.
-var sawReadOnlySpans = false;
-var sawCollapsedSpans = false;
+ var out = [];
+ for (var i = 0; i < this.ranges.length; i++)
+ { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }
+ return new Selection(out, this.primIndex)
+ };
-function seeReadOnlySpans() {
- sawReadOnlySpans = true;
-}
+ Selection.prototype.somethingSelected = function () {
+ var this$1 = this;
-function seeCollapsedSpans() {
- sawCollapsedSpans = true;
-}
+ for (var i = 0; i < this.ranges.length; i++)
+ { if (!this$1.ranges[i].empty()) { return true } }
+ return false
+ };
-// TEXTMARKER SPANS
+ Selection.prototype.contains = function (pos, end) {
+ var this$1 = this;
-function MarkedSpan(marker, from, to) {
- this.marker = marker;
- this.from = from; this.to = to;
-}
+ if (!end) { end = pos; }
+ for (var i = 0; i < this.ranges.length; i++) {
+ var range = this$1.ranges[i];
+ if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
+ { return i }
+ }
+ return -1
+ };
-// Search an array of spans for a span matching the given marker.
-function getMarkedSpanFor(spans, marker) {
- if (spans) { for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.marker == marker) { return span }
- } }
-}
-// Remove a span from an array, returning undefined if no spans are
-// left (we don't store arrays for lines without spans).
-function removeMarkedSpan(spans, span) {
- var r;
- for (var i = 0; i < spans.length; ++i)
- { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }
- return r
-}
-// Add a span to a line.
-function addMarkedSpan(line, span) {
- line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];
- span.marker.attachLine(line);
-}
+ var Range = function(anchor, head) {
+ this.anchor = anchor; this.head = head;
+ };
-// Used for the algorithm that adjusts markers for a change in the
-// document. These functions cut an array of spans at a given
-// character position, returning an array of remaining chunks (or
-// undefined if nothing remains).
-function markedSpansBefore(old, startCh, isInsert) {
- var nw;
- if (old) { for (var i = 0; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);
- if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));
- }
- } }
- return nw
-}
-function markedSpansAfter(old, endCh, isInsert) {
- var nw;
- if (old) { for (var i = 0; i < old.length; ++i) {
- var span = old[i], marker = span.marker;
- var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);
- if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {
- var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,
- span.to == null ? null : span.to - endCh));
- }
- } }
- return nw
-}
+ Range.prototype.from = function () { return minPos(this.anchor, this.head) };
+ Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
+ Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
-// Given a change object, compute the new set of marker spans that
-// cover the line in which the change took place. Removes spans
-// entirely within the change, reconnects spans belonging to the
-// same marker that appear on both sides of the change, and cuts off
-// spans partially within the change. Returns an array of span
-// arrays with one element for each line in (after) the change.
-function stretchSpansOverChange(doc, change) {
- if (change.full) { return null }
- var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;
- var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;
- if (!oldFirst && !oldLast) { return null }
-
- var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;
- // Get the spans that 'stick out' on both sides
- var first = markedSpansBefore(oldFirst, startCh, isInsert);
- var last = markedSpansAfter(oldLast, endCh, isInsert);
-
- // Next, merge those two ends
- var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);
- if (first) {
- // Fix up .to properties of first
- for (var i = 0; i < first.length; ++i) {
- var span = first[i];
- if (span.to == null) {
- var found = getMarkedSpanFor(last, span.marker);
- if (!found) { span.to = startCh; }
- else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }
- }
- }
- }
- if (last) {
- // Fix up .from in last (or move them into first in case of sameLine)
- for (var i$1 = 0; i$1 < last.length; ++i$1) {
- var span$1 = last[i$1];
- if (span$1.to != null) { span$1.to += offset; }
- if (span$1.from == null) {
- var found$1 = getMarkedSpanFor(first, span$1.marker);
- if (!found$1) {
- span$1.from = offset;
- if (sameLine) { (first || (first = [])).push(span$1); }
- }
- } else {
- span$1.from += offset;
- if (sameLine) { (first || (first = [])).push(span$1); }
+ // Take an unsorted, potentially overlapping set of ranges, and
+ // build a selection out of it. 'Consumes' ranges array (modifying
+ // it).
+ function normalizeSelection(cm, ranges, primIndex) {
+ var mayTouch = cm && cm.options.selectionsMayTouch;
+ var prim = ranges[primIndex];
+ ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
+ primIndex = indexOf(ranges, prim);
+ for (var i = 1; i < ranges.length; i++) {
+ var cur = ranges[i], prev = ranges[i - 1];
+ var diff = cmp(prev.to(), cur.from());
+ if (mayTouch && !cur.empty() ? diff > 0 : diff >= 0) {
+ var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
+ var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
+ if (i <= primIndex) { --primIndex; }
+ ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
}
}
+ return new Selection(ranges, primIndex)
}
- // Make sure we didn't create any zero-length spans
- if (first) { first = clearEmptySpans(first); }
- if (last && last != first) { last = clearEmptySpans(last); }
- var newMarkers = [first];
- if (!sameLine) {
- // Fill gap with whole-line-spans
- var gap = change.text.length - 2, gapMarkers;
- if (gap > 0 && first)
- { for (var i$2 = 0; i$2 < first.length; ++i$2)
- { if (first[i$2].to == null)
- { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }
- for (var i$3 = 0; i$3 < gap; ++i$3)
- { newMarkers.push(gapMarkers); }
- newMarkers.push(last);
+ function simpleSelection(anchor, head) {
+ return new Selection([new Range(anchor, head || anchor)], 0)
}
- return newMarkers
-}
-// Remove spans that are empty and don't have a clearWhenEmpty
-// option of false.
-function clearEmptySpans(spans) {
- for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)
- { spans.splice(i--, 1); }
+ // Compute the position of the end of a change (its 'to' property
+ // refers to the pre-change end).
+ function changeEnd(change) {
+ if (!change.text) { return change.to }
+ return Pos(change.from.line + change.text.length - 1,
+ lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
}
- if (!spans.length) { return null }
- return spans
-}
-// Used to 'clip' out readOnly ranges when making a change.
-function removeReadOnlyRanges(doc, from, to) {
- var markers = null;
- doc.iter(from.line, to.line + 1, function (line) {
- if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
- var mark = line.markedSpans[i].marker;
- if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))
- { (markers || (markers = [])).push(mark); }
- } }
- });
- if (!markers) { return null }
- var parts = [{from: from, to: to}];
- for (var i = 0; i < markers.length; ++i) {
- var mk = markers[i], m = mk.find(0);
- for (var j = 0; j < parts.length; ++j) {
- var p = parts[j];
- if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }
- var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);
- if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)
- { newParts.push({from: p.from, to: m.from}); }
- if (dto > 0 || !mk.inclusiveRight && !dto)
- { newParts.push({from: m.to, to: p.to}); }
- parts.splice.apply(parts, newParts);
- j += newParts.length - 3;
- }
- }
- return parts
-}
-
-// Connect or disconnect spans from a line.
-function detachMarkedSpans(line) {
- var spans = line.markedSpans;
- if (!spans) { return }
- for (var i = 0; i < spans.length; ++i)
- { spans[i].marker.detachLine(line); }
- line.markedSpans = null;
-}
-function attachMarkedSpans(line, spans) {
- if (!spans) { return }
- for (var i = 0; i < spans.length; ++i)
- { spans[i].marker.attachLine(line); }
- line.markedSpans = spans;
-}
-
-// Helpers used when computing which overlapping collapsed span
-// counts as the larger one.
-function extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }
-function extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }
-
-// Returns a number indicating which of two overlapping collapsed
-// spans is larger (and thus includes the other). Falls back to
-// comparing ids when the spans cover exactly the same range.
-function compareCollapsedMarkers(a, b) {
- var lenDiff = a.lines.length - b.lines.length;
- if (lenDiff != 0) { return lenDiff }
- var aPos = a.find(), bPos = b.find();
- var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);
- if (fromCmp) { return -fromCmp }
- var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);
- if (toCmp) { return toCmp }
- return b.id - a.id
-}
+ // Adjust a position to refer to the post-change position of the
+ // same text, or the end of the change if the change covers it.
+ function adjustForChange(pos, change) {
+ if (cmp(pos, change.from) < 0) { return pos }
+ if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
-// Find out whether a line ends or starts in a collapsed span. If
-// so, return the marker for that span.
-function collapsedSpanAtSide(line, start) {
- var sps = sawCollapsedSpans && line.markedSpans, found;
- if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&
- (!found || compareCollapsedMarkers(found, sp.marker) < 0))
- { found = sp.marker; }
- } }
- return found
-}
-function collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }
-function collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }
-
-// Test whether there exists a collapsed span that partially
-// overlaps (covers the start or end, but not both) of a new span.
-// Such overlap is not allowed.
-function conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {
- var line = getLine(doc, lineNo$$1);
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) { for (var i = 0; i < sps.length; ++i) {
- var sp = sps[i];
- if (!sp.marker.collapsed) { continue }
- var found = sp.marker.find(0);
- var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);
- var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);
- if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }
- if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||
- fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))
- { return true }
- } }
-}
+ var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
+ if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
+ return Pos(line, ch)
+ }
-// A visual line is a line as drawn on the screen. Folding, for
-// example, can cause multiple logical lines to appear on the same
-// visual line. This finds the start of the visual line that the
-// given line is part of (usually that is the line itself).
-function visualLine(line) {
- var merged;
- while (merged = collapsedSpanAtStart(line))
- { line = merged.find(-1, true).line; }
- return line
-}
+ function computeSelAfterChange(doc, change) {
+ var out = [];
+ for (var i = 0; i < doc.sel.ranges.length; i++) {
+ var range = doc.sel.ranges[i];
+ out.push(new Range(adjustForChange(range.anchor, change),
+ adjustForChange(range.head, change)));
+ }
+ return normalizeSelection(doc.cm, out, doc.sel.primIndex)
+ }
-function visualLineEnd(line) {
- var merged;
- while (merged = collapsedSpanAtEnd(line))
- { line = merged.find(1, true).line; }
- return line
-}
+ function offsetPos(pos, old, nw) {
+ if (pos.line == old.line)
+ { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
+ else
+ { return Pos(nw.line + (pos.line - old.line), pos.ch) }
+ }
-// Returns an array of logical lines that continue the visual line
-// started by the argument, or undefined if there are no such lines.
-function visualLineContinued(line) {
- var merged, lines;
- while (merged = collapsedSpanAtEnd(line)) {
- line = merged.find(1, true).line
- ;(lines || (lines = [])).push(line);
+ // Used by replaceSelections to allow moving the selection to the
+ // start or around the replaced test. Hint may be "start" or "around".
+ function computeReplacedSel(doc, changes, hint) {
+ var out = [];
+ var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
+ for (var i = 0; i < changes.length; i++) {
+ var change = changes[i];
+ var from = offsetPos(change.from, oldPrev, newPrev);
+ var to = offsetPos(changeEnd(change), oldPrev, newPrev);
+ oldPrev = change.to;
+ newPrev = to;
+ if (hint == "around") {
+ var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
+ out[i] = new Range(inv ? to : from, inv ? from : to);
+ } else {
+ out[i] = new Range(from, from);
+ }
+ }
+ return new Selection(out, doc.sel.primIndex)
}
- return lines
-}
-// Get the line number of the start of the visual line that the
-// given line number is part of.
-function visualLineNo(doc, lineN) {
- var line = getLine(doc, lineN), vis = visualLine(line);
- if (line == vis) { return lineN }
- return lineNo(vis)
-}
+ // Used to get the editor into a consistent state again when options change.
-// Get the line number of the start of the next visual line after
-// the given line.
-function visualLineEndNo(doc, lineN) {
- if (lineN > doc.lastLine()) { return lineN }
- var line = getLine(doc, lineN), merged;
- if (!lineIsHidden(doc, line)) { return lineN }
- while (merged = collapsedSpanAtEnd(line))
- { line = merged.find(1, true).line; }
- return lineNo(line) + 1
-}
+ function loadMode(cm) {
+ cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
+ resetModeState(cm);
+ }
-// Compute whether a line is hidden. Lines count as hidden when they
-// are part of a visual line that starts with another line, or when
-// they are entirely covered by collapsed, non-widget span.
-function lineIsHidden(doc, line) {
- var sps = sawCollapsedSpans && line.markedSpans;
- if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {
- sp = sps[i];
- if (!sp.marker.collapsed) { continue }
- if (sp.from == null) { return true }
- if (sp.marker.widgetNode) { continue }
- if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))
- { return true }
- } }
-}
-function lineIsHiddenInner(doc, line, span) {
- if (span.to == null) {
- var end = span.marker.find(1, true);
- return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))
- }
- if (span.marker.inclusiveRight && span.to == line.text.length)
- { return true }
- for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {
- sp = line.markedSpans[i];
- if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&
- (sp.to == null || sp.to != span.from) &&
- (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&
- lineIsHiddenInner(doc, line, sp)) { return true }
+ function resetModeState(cm) {
+ cm.doc.iter(function (line) {
+ if (line.stateAfter) { line.stateAfter = null; }
+ if (line.styles) { line.styles = null; }
+ });
+ cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
+ startWorker(cm, 100);
+ cm.state.modeGen++;
+ if (cm.curOp) { regChange(cm); }
}
-}
-// Find the height above the given line.
-function heightAtLine(lineObj) {
- lineObj = visualLine(lineObj);
+ // DOCUMENT DATA STRUCTURE
- var h = 0, chunk = lineObj.parent;
- for (var i = 0; i < chunk.lines.length; ++i) {
- var line = chunk.lines[i];
- if (line == lineObj) { break }
- else { h += line.height; }
- }
- for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {
- for (var i$1 = 0; i$1 < p.children.length; ++i$1) {
- var cur = p.children[i$1];
- if (cur == chunk) { break }
- else { h += cur.height; }
- }
+ // By default, updates that start and end at the beginning of a line
+ // are treated specially, in order to make the association of line
+ // widgets and marker elements with the text behave more intuitive.
+ function isWholeLineUpdate(doc, change) {
+ return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
+ (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
}
- return h
-}
-
-// Compute the character length of a line, taking into account
-// collapsed ranges (see markText) that might hide parts, and join
-// other lines onto it.
-function lineLength(line) {
- if (line.height == 0) { return 0 }
- var len = line.text.length, merged, cur = line;
- while (merged = collapsedSpanAtStart(cur)) {
- var found = merged.find(0, true);
- cur = found.from.line;
- len += found.from.ch - found.to.ch;
- }
- cur = line;
- while (merged = collapsedSpanAtEnd(cur)) {
- var found$1 = merged.find(0, true);
- len -= cur.text.length - found$1.from.ch;
- cur = found$1.to.line;
- len += cur.text.length - found$1.to.ch;
- }
- return len
-}
-// Find the longest line in the document.
-function findMaxLine(cm) {
- var d = cm.display, doc = cm.doc;
- d.maxLine = getLine(doc, doc.first);
- d.maxLineLength = lineLength(d.maxLine);
- d.maxLineChanged = true;
- doc.iter(function (line) {
- var len = lineLength(line);
- if (len > d.maxLineLength) {
- d.maxLineLength = len;
- d.maxLine = line;
+ // Perform a change on the document data structure.
+ function updateDoc(doc, change, markedSpans, estimateHeight$$1) {
+ function spansFor(n) {return markedSpans ? markedSpans[n] : null}
+ function update(line, text, spans) {
+ updateLine(line, text, spans, estimateHeight$$1);
+ signalLater(line, "change", line, change);
+ }
+ function linesFor(start, end) {
+ var result = [];
+ for (var i = start; i < end; ++i)
+ { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }
+ return result
+ }
+
+ var from = change.from, to = change.to, text = change.text;
+ var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
+ var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
+
+ // Adjust the line structure
+ if (change.full) {
+ doc.insert(0, linesFor(0, text.length));
+ doc.remove(text.length, doc.size - text.length);
+ } else if (isWholeLineUpdate(doc, change)) {
+ // This is a whole-line replace. Treated specially to make
+ // sure line objects move the way they are supposed to.
+ var added = linesFor(0, text.length - 1);
+ update(lastLine, lastLine.text, lastSpans);
+ if (nlines) { doc.remove(from.line, nlines); }
+ if (added.length) { doc.insert(from.line, added); }
+ } else if (firstLine == lastLine) {
+ if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
+ } else {
+ var added$1 = linesFor(1, text.length - 1);
+ added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ doc.insert(from.line + 1, added$1);
+ }
+ } else if (text.length == 1) {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
+ doc.remove(from.line + 1, nlines);
+ } else {
+ update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
+ update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
+ var added$2 = linesFor(1, text.length - 1);
+ if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
+ doc.insert(from.line + 1, added$2);
}
- });
-}
-// BIDI HELPERS
+ signalLater(doc, "change", doc, change);
+ }
-function iterateBidiSections(order, from, to, f) {
- if (!order) { return f(from, to, "ltr", 0) }
- var found = false;
- for (var i = 0; i < order.length; ++i) {
- var part = order[i];
- if (part.from < to && part.to > from || from == to && part.to == from) {
- f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);
- found = true;
+ // Call f for all linked documents.
+ function linkedDocs(doc, f, sharedHistOnly) {
+ function propagate(doc, skip, sharedHist) {
+ if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
+ var rel = doc.linked[i];
+ if (rel.doc == skip) { continue }
+ var shared = sharedHist && rel.sharedHist;
+ if (sharedHistOnly && !shared) { continue }
+ f(rel.doc, shared);
+ propagate(rel.doc, doc, shared);
+ } }
}
+ propagate(doc, null, true);
}
- if (!found) { f(from, to, "ltr"); }
-}
-var bidiOther = null;
-function getBidiPartAt(order, ch, sticky) {
- var found;
- bidiOther = null;
- for (var i = 0; i < order.length; ++i) {
- var cur = order[i];
- if (cur.from < ch && cur.to > ch) { return i }
- if (cur.to == ch) {
- if (cur.from != cur.to && sticky == "before") { found = i; }
- else { bidiOther = i; }
- }
- if (cur.from == ch) {
- if (cur.from != cur.to && sticky != "before") { found = i; }
- else { bidiOther = i; }
- }
+ // Attach a document to an editor.
+ function attachDoc(cm, doc) {
+ if (doc.cm) { throw new Error("This document is already in use.") }
+ cm.doc = doc;
+ doc.cm = cm;
+ estimateLineHeights(cm);
+ loadMode(cm);
+ setDirectionClass(cm);
+ if (!cm.options.lineWrapping) { findMaxLine(cm); }
+ cm.options.mode = doc.modeOption;
+ regChange(cm);
}
- return found != null ? found : bidiOther
-}
-// Bidirectional ordering algorithm
-// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm
-// that this (partially) implements.
-
-// One-char codes used for character types:
-// L (L): Left-to-Right
-// R (R): Right-to-Left
-// r (AL): Right-to-Left Arabic
-// 1 (EN): European Number
-// + (ES): European Number Separator
-// % (ET): European Number Terminator
-// n (AN): Arabic Number
-// , (CS): Common Number Separator
-// m (NSM): Non-Spacing Mark
-// b (BN): Boundary Neutral
-// s (B): Paragraph Separator
-// t (S): Segment Separator
-// w (WS): Whitespace
-// N (ON): Other Neutrals
-
-// Returns null if characters are ordered as they appear
-// (left-to-right), or an array of sections ({from, to, level}
-// objects) in the order in which they occur visually.
-var bidiOrdering = (function() {
- // Character types for codepoints 0 to 0xff
- var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";
- // Character types for codepoints 0x600 to 0x6f9
- var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";
- function charType(code) {
- if (code <= 0xf7) { return lowTypes.charAt(code) }
- else if (0x590 <= code && code <= 0x5f4) { return "R" }
- else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }
- else if (0x6ee <= code && code <= 0x8ac) { return "r" }
- else if (0x2000 <= code && code <= 0x200b) { return "w" }
- else if (code == 0x200c) { return "b" }
- else { return "L" }
- }
-
- var bidiRE = /[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac]/;
- var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;
-
- function BidiSpan(level, from, to) {
- this.level = level;
- this.from = from; this.to = to;
+ function setDirectionClass(cm) {
+ (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
+ }
+
+ function directionChanged(cm) {
+ runInOp(cm, function () {
+ setDirectionClass(cm);
+ regChange(cm);
+ });
}
- return function(str, direction) {
- var outerType = direction == "ltr" ? "L" : "R";
-
- if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }
- var len = str.length, types = [];
- for (var i = 0; i < len; ++i)
- { types.push(charType(str.charCodeAt(i))); }
-
- // W1. Examine each non-spacing mark (NSM) in the level run, and
- // change the type of the NSM to the type of the previous
- // character. If the NSM is at the start of the level run, it will
- // get the type of sor.
- for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {
- var type = types[i$1];
- if (type == "m") { types[i$1] = prev; }
- else { prev = type; }
- }
-
- // W2. Search backwards from each instance of a European number
- // until the first strong type (R, L, AL, or sor) is found. If an
- // AL is found, change the type of the European number to Arabic
- // number.
- // W3. Change all ALs to R.
- for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {
- var type$1 = types[i$2];
- if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }
- else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }
- }
-
- // W4. A single European separator between two European numbers
- // changes to a European number. A single common separator between
- // two numbers of the same type changes to that type.
- for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {
- var type$2 = types[i$3];
- if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }
- else if (type$2 == "," && prev$1 == types[i$3+1] &&
- (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }
- prev$1 = type$2;
- }
-
- // W5. A sequence of European terminators adjacent to European
- // numbers changes to all European numbers.
- // W6. Otherwise, separators and terminators change to Other
- // Neutral.
- for (var i$4 = 0; i$4 < len; ++i$4) {
- var type$3 = types[i$4];
- if (type$3 == ",") { types[i$4] = "N"; }
- else if (type$3 == "%") {
- var end = (void 0);
- for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}
- var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";
- for (var j = i$4; j < end; ++j) { types[j] = replace; }
- i$4 = end - 1;
- }
- }
-
- // W7. Search backwards from each instance of a European number
- // until the first strong type (R, L, or sor) is found. If an L is
- // found, then change the type of the European number to L.
- for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {
- var type$4 = types[i$5];
- if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }
- else if (isStrong.test(type$4)) { cur$1 = type$4; }
- }
-
- // N1. A sequence of neutrals takes the direction of the
- // surrounding strong text if the text on both sides has the same
- // direction. European and Arabic numbers act as if they were R in
- // terms of their influence on neutrals. Start-of-level-run (sor)
- // and end-of-level-run (eor) are used at level run boundaries.
- // N2. Any remaining neutrals take the embedding direction.
- for (var i$6 = 0; i$6 < len; ++i$6) {
- if (isNeutral.test(types[i$6])) {
- var end$1 = (void 0);
- for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}
- var before = (i$6 ? types[i$6-1] : outerType) == "L";
- var after = (end$1 < len ? types[end$1] : outerType) == "L";
- var replace$1 = before == after ? (before ? "L" : "R") : outerType;
- for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }
- i$6 = end$1 - 1;
- }
- }
-
- // Here we depart from the documented algorithm, in order to avoid
- // building up an actual levels array. Since there are only three
- // levels (0, 1, 2) in an implementation that doesn't take
- // explicit embedding into account, we can build up the order on
- // the fly, without following the level-based algorithm.
- var order = [], m;
- for (var i$7 = 0; i$7 < len;) {
- if (countsAsLeft.test(types[i$7])) {
- var start = i$7;
- for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}
- order.push(new BidiSpan(0, start, i$7));
+ function History(startGen) {
+ // Arrays of change events and selections. Doing something adds an
+ // event to done and clears undo. Undoing moves events from done
+ // to undone, redoing moves them in the other direction.
+ this.done = []; this.undone = [];
+ this.undoDepth = Infinity;
+ // Used to track when changes can be merged into a single undo
+ // event
+ this.lastModTime = this.lastSelTime = 0;
+ this.lastOp = this.lastSelOp = null;
+ this.lastOrigin = this.lastSelOrigin = null;
+ // Used by the isClean() method
+ this.generation = this.maxGeneration = startGen || 1;
+ }
+
+ // Create a history change event from an updateDoc-style change
+ // object.
+ function historyChangeFromChange(doc, change) {
+ var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
+ attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
+ linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
+ return histChange
+ }
+
+ // Pop all selection events off the end of a history array. Stop at
+ // a change event.
+ function clearSelectionEvents(array) {
+ while (array.length) {
+ var last = lst(array);
+ if (last.ranges) { array.pop(); }
+ else { break }
+ }
+ }
+
+ // Find the top change event in the history. Pop off selection
+ // events that are in the way.
+ function lastChangeEvent(hist, force) {
+ if (force) {
+ clearSelectionEvents(hist.done);
+ return lst(hist.done)
+ } else if (hist.done.length && !lst(hist.done).ranges) {
+ return lst(hist.done)
+ } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
+ hist.done.pop();
+ return lst(hist.done)
+ }
+ }
+
+ // Register a change in the history. Merges changes that are within
+ // a single operation, or are close together with an origin that
+ // allows merging (starting with "+") into a single event.
+ function addChangeToHistory(doc, change, selAfter, opId) {
+ var hist = doc.history;
+ hist.undone.length = 0;
+ var time = +new Date, cur;
+ var last;
+
+ if ((hist.lastOp == opId ||
+ hist.lastOrigin == change.origin && change.origin &&
+ ((change.origin.charAt(0) == "+" && hist.lastModTime > time - (doc.cm ? doc.cm.options.historyEventDelay : 500)) ||
+ change.origin.charAt(0) == "*")) &&
+ (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
+ // Merge this change into the last event
+ last = lst(cur.changes);
+ if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
+ // Optimized case for simple insertion -- don't want to add
+ // new changesets for every character typed
+ last.to = changeEnd(change);
} else {
- var pos = i$7, at = order.length;
- for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}
- for (var j$2 = pos; j$2 < i$7;) {
- if (countsAsNum.test(types[j$2])) {
- if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }
- var nstart = j$2;
- for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}
- order.splice(at, 0, new BidiSpan(2, nstart, j$2));
- pos = j$2;
- } else { ++j$2; }
- }
- if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }
- }
- }
- if (direction == "ltr") {
- if (order[0].level == 1 && (m = str.match(/^\s+/))) {
- order[0].from = m[0].length;
- order.unshift(new BidiSpan(0, 0, m[0].length));
+ // Add new sub-event
+ cur.changes.push(historyChangeFromChange(doc, change));
}
- if (lst(order).level == 1 && (m = str.match(/\s+$/))) {
- lst(order).to -= m[0].length;
- order.push(new BidiSpan(0, len - m[0].length, len));
- }
- }
+ } else {
+ // Can not be merged, start a new event.
+ var before = lst(hist.done);
+ if (!before || !before.ranges)
+ { pushSelectionToHistory(doc.sel, hist.done); }
+ cur = {changes: [historyChangeFromChange(doc, change)],
+ generation: hist.generation};
+ hist.done.push(cur);
+ while (hist.done.length > hist.undoDepth) {
+ hist.done.shift();
+ if (!hist.done[0].ranges) { hist.done.shift(); }
+ }
+ }
+ hist.done.push(selAfter);
+ hist.generation = ++hist.maxGeneration;
+ hist.lastModTime = hist.lastSelTime = time;
+ hist.lastOp = hist.lastSelOp = opId;
+ hist.lastOrigin = hist.lastSelOrigin = change.origin;
+
+ if (!last) { signal(doc, "historyAdded"); }
+ }
+
+ function selectionEventCanBeMerged(doc, origin, prev, sel) {
+ var ch = origin.charAt(0);
+ return ch == "*" ||
+ ch == "+" &&
+ prev.ranges.length == sel.ranges.length &&
+ prev.somethingSelected() == sel.somethingSelected() &&
+ new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
+ }
+
+ // Called whenever the selection changes, sets the new selection as
+ // the pending selection in the history, and pushes the old pending
+ // selection into the 'done' array when it was significantly
+ // different (in number of selected ranges, emptiness, or time).
+ function addSelectionToHistory(doc, sel, opId, options) {
+ var hist = doc.history, origin = options && options.origin;
+
+ // A new event is started when the previous origin does not match
+ // the current, or the origins don't allow matching. Origins
+ // starting with * are always merged, those starting with + are
+ // merged when similar and close together in time.
+ if (opId == hist.lastSelOp ||
+ (origin && hist.lastSelOrigin == origin &&
+ (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
+ selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
+ { hist.done[hist.done.length - 1] = sel; }
+ else
+ { pushSelectionToHistory(sel, hist.done); }
- return direction == "rtl" ? order.reverse() : order
+ hist.lastSelTime = +new Date;
+ hist.lastSelOrigin = origin;
+ hist.lastSelOp = opId;
+ if (options && options.clearRedo !== false)
+ { clearSelectionEvents(hist.undone); }
}
-})();
-
-// Get the bidi ordering for the given line (and cache it). Returns
-// false for lines that are fully left-to-right, and an array of
-// BidiSpan objects otherwise.
-function getOrder(line, direction) {
- var order = line.order;
- if (order == null) { order = line.order = bidiOrdering(line.text, direction); }
- return order
-}
-
-// EVENT HANDLING
-// Lightweight event framework. on/off also work on DOM nodes,
-// registering native DOM handlers.
+ function pushSelectionToHistory(sel, dest) {
+ var top = lst(dest);
+ if (!(top && top.ranges && top.equals(sel)))
+ { dest.push(sel); }
+ }
-var noHandlers = [];
+ // Used to store marked span information in the history.
+ function attachLocalSpans(doc, change, from, to) {
+ var existing = change["spans_" + doc.id], n = 0;
+ doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
+ if (line.markedSpans)
+ { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
+ ++n;
+ });
+ }
-var on = function(emitter, type, f) {
- if (emitter.addEventListener) {
- emitter.addEventListener(type, f, false);
- } else if (emitter.attachEvent) {
- emitter.attachEvent("on" + type, f);
- } else {
- var map$$1 = emitter._handlers || (emitter._handlers = {});
- map$$1[type] = (map$$1[type] || noHandlers).concat(f);
+ // When un/re-doing restores text containing marked spans, those
+ // that have been explicitly cleared should not be restored.
+ function removeClearedSpans(spans) {
+ if (!spans) { return null }
+ var out;
+ for (var i = 0; i < spans.length; ++i) {
+ if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
+ else if (out) { out.push(spans[i]); }
+ }
+ return !out ? spans : out.length ? out : null
+ }
+
+ // Retrieve and filter the old marked spans stored in a change event.
+ function getOldSpans(doc, change) {
+ var found = change["spans_" + doc.id];
+ if (!found) { return null }
+ var nw = [];
+ for (var i = 0; i < change.text.length; ++i)
+ { nw.push(removeClearedSpans(found[i])); }
+ return nw
+ }
+
+ // Used for un/re-doing changes from the history. Combines the
+ // result of computing the existing spans with the set of spans that
+ // existed in the history (so that deleting around a span and then
+ // undoing brings back the span).
+ function mergeOldSpans(doc, change) {
+ var old = getOldSpans(doc, change);
+ var stretched = stretchSpansOverChange(doc, change);
+ if (!old) { return stretched }
+ if (!stretched) { return old }
+
+ for (var i = 0; i < old.length; ++i) {
+ var oldCur = old[i], stretchCur = stretched[i];
+ if (oldCur && stretchCur) {
+ spans: for (var j = 0; j < stretchCur.length; ++j) {
+ var span = stretchCur[j];
+ for (var k = 0; k < oldCur.length; ++k)
+ { if (oldCur[k].marker == span.marker) { continue spans } }
+ oldCur.push(span);
+ }
+ } else if (stretchCur) {
+ old[i] = stretchCur;
+ }
+ }
+ return old
+ }
+
+ // Used both to provide a JSON-safe object in .getHistory, and, when
+ // detaching a document, to split the history in two
+ function copyHistoryArray(events, newGroup, instantiateSel) {
+ var copy = [];
+ for (var i = 0; i < events.length; ++i) {
+ var event = events[i];
+ if (event.ranges) {
+ copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
+ continue
+ }
+ var changes = event.changes, newChanges = [];
+ copy.push({changes: newChanges});
+ for (var j = 0; j < changes.length; ++j) {
+ var change = changes[j], m = (void 0);
+ newChanges.push({from: change.from, to: change.to, text: change.text});
+ if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
+ if (indexOf(newGroup, Number(m[1])) > -1) {
+ lst(newChanges)[prop] = change[prop];
+ delete change[prop];
+ }
+ } } }
+ }
+ }
+ return copy
}
-};
-function getHandlers(emitter, type) {
- return emitter._handlers && emitter._handlers[type] || noHandlers
-}
+ // The 'scroll' parameter given to many of these indicated whether
+ // the new cursor position should be scrolled into view after
+ // modifying the selection.
-function off(emitter, type, f) {
- if (emitter.removeEventListener) {
- emitter.removeEventListener(type, f, false);
- } else if (emitter.detachEvent) {
- emitter.detachEvent("on" + type, f);
- } else {
- var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];
- if (arr) {
- var index = indexOf(arr, f);
- if (index > -1)
- { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }
+ // If shift is held or the extend flag is set, extends a range to
+ // include a given position (and optionally a second position).
+ // Otherwise, simply returns the range between the given positions.
+ // Used for cursor motion and such.
+ function extendRange(range, head, other, extend) {
+ if (extend) {
+ var anchor = range.anchor;
+ if (other) {
+ var posBefore = cmp(head, anchor) < 0;
+ if (posBefore != (cmp(other, anchor) < 0)) {
+ anchor = head;
+ head = other;
+ } else if (posBefore != (cmp(head, other) < 0)) {
+ head = other;
+ }
+ }
+ return new Range(anchor, head)
+ } else {
+ return new Range(other || head, head)
}
}
-}
-function signal(emitter, type /*, values...*/) {
- var handlers = getHandlers(emitter, type);
- if (!handlers.length) { return }
- var args = Array.prototype.slice.call(arguments, 2);
- for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }
-}
+ // Extend the primary selection range, discard the rest.
+ function extendSelection(doc, head, other, options, extend) {
+ if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
+ setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
+ }
-// The DOM events that CodeMirror handles can be overridden by
-// registering a (non-DOM) handler on the editor for the event name,
-// and preventDefault-ing the event in that handler.
-function signalDOMEvent(cm, e, override) {
- if (typeof e == "string")
- { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }
- signal(cm, override || e.type, cm, e);
- return e_defaultPrevented(e) || e.codemirrorIgnore
-}
+ // Extend all selections (pos is an array of selections with length
+ // equal the number of selections)
+ function extendSelections(doc, heads, options) {
+ var out = [];
+ var extend = doc.cm && (doc.cm.display.shift || doc.extend);
+ for (var i = 0; i < doc.sel.ranges.length; i++)
+ { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
+ var newSel = normalizeSelection(doc.cm, out, doc.sel.primIndex);
+ setSelection(doc, newSel, options);
+ }
-function signalCursorActivity(cm) {
- var arr = cm._handlers && cm._handlers.cursorActivity;
- if (!arr) { return }
- var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);
- for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)
- { set.push(arr[i]); } }
-}
+ // Updates a single range in the selection.
+ function replaceOneSelection(doc, i, range, options) {
+ var ranges = doc.sel.ranges.slice(0);
+ ranges[i] = range;
+ setSelection(doc, normalizeSelection(doc.cm, ranges, doc.sel.primIndex), options);
+ }
-function hasHandler(emitter, type) {
- return getHandlers(emitter, type).length > 0
-}
+ // Reset the selection to a single range.
+ function setSimpleSelection(doc, anchor, head, options) {
+ setSelection(doc, simpleSelection(anchor, head), options);
+ }
-// Add on and off methods to a constructor's prototype, to make
-// registering events on such objects more convenient.
-function eventMixin(ctor) {
- ctor.prototype.on = function(type, f) {on(this, type, f);};
- ctor.prototype.off = function(type, f) {off(this, type, f);};
-}
+ // Give beforeSelectionChange handlers a change to influence a
+ // selection update.
+ function filterSelectionChange(doc, sel, options) {
+ var obj = {
+ ranges: sel.ranges,
+ update: function(ranges) {
+ var this$1 = this;
+
+ this.ranges = [];
+ for (var i = 0; i < ranges.length; i++)
+ { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
+ clipPos(doc, ranges[i].head)); }
+ },
+ origin: options && options.origin
+ };
+ signal(doc, "beforeSelectionChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
+ if (obj.ranges != sel.ranges) { return normalizeSelection(doc.cm, obj.ranges, obj.ranges.length - 1) }
+ else { return sel }
+ }
-// Due to the fact that we still support jurassic IE versions, some
-// compatibility wrappers are needed.
+ function setSelectionReplaceHistory(doc, sel, options) {
+ var done = doc.history.done, last = lst(done);
+ if (last && last.ranges) {
+ done[done.length - 1] = sel;
+ setSelectionNoUndo(doc, sel, options);
+ } else {
+ setSelection(doc, sel, options);
+ }
+ }
-function e_preventDefault(e) {
- if (e.preventDefault) { e.preventDefault(); }
- else { e.returnValue = false; }
-}
-function e_stopPropagation(e) {
- if (e.stopPropagation) { e.stopPropagation(); }
- else { e.cancelBubble = true; }
-}
-function e_defaultPrevented(e) {
- return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false
-}
-function e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}
-
-function e_target(e) {return e.target || e.srcElement}
-function e_button(e) {
- var b = e.which;
- if (b == null) {
- if (e.button & 1) { b = 1; }
- else if (e.button & 2) { b = 3; }
- else if (e.button & 4) { b = 2; }
- }
- if (mac && e.ctrlKey && b == 1) { b = 3; }
- return b
-}
+ // Set a new selection.
+ function setSelection(doc, sel, options) {
+ setSelectionNoUndo(doc, sel, options);
+ addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
+ }
-// Detect drag-and-drop
-var dragAndDrop = function() {
- // There is *some* kind of drag-and-drop support in IE6-8, but I
- // couldn't get it to work yet.
- if (ie && ie_version < 9) { return false }
- var div = elt('div');
- return "draggable" in div || "dragDrop" in div
-}();
+ function setSelectionNoUndo(doc, sel, options) {
+ if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
+ { sel = filterSelectionChange(doc, sel, options); }
-var zwspSupported;
-function zeroWidthElement(measure) {
- if (zwspSupported == null) {
- var test = elt("span", "\u200b");
- removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));
- if (measure.firstChild.offsetHeight != 0)
- { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }
- }
- var node = zwspSupported ? elt("span", "\u200b") :
- elt("span", "\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");
- node.setAttribute("cm-text", "");
- return node
-}
+ var bias = options && options.bias ||
+ (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
+ setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
-// Feature-detect IE's crummy client rect reporting for bidi text
-var badBidiRects;
-function hasBadBidiRects(measure) {
- if (badBidiRects != null) { return badBidiRects }
- var txt = removeChildrenAndAdd(measure, document.createTextNode("A\u062eA"));
- var r0 = range(txt, 0, 1).getBoundingClientRect();
- var r1 = range(txt, 1, 2).getBoundingClientRect();
- removeChildren(measure);
- if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)
- return badBidiRects = (r1.right - r0.right < 3)
-}
+ if (!(options && options.scroll === false) && doc.cm)
+ { ensureCursorVisible(doc.cm); }
+ }
-// See if "".split is the broken IE version, if so, provide an
-// alternative way to split lines.
-var splitLinesAuto = "\n\nb".split(/\n/).length != 3 ? function (string) {
- var pos = 0, result = [], l = string.length;
- while (pos <= l) {
- var nl = string.indexOf("\n", pos);
- if (nl == -1) { nl = string.length; }
- var line = string.slice(pos, string.charAt(nl - 1) == "\r" ? nl - 1 : nl);
- var rt = line.indexOf("\r");
- if (rt != -1) {
- result.push(line.slice(0, rt));
- pos += rt + 1;
- } else {
- result.push(line);
- pos = nl + 1;
- }
- }
- return result
-} : function (string) { return string.split(/\r\n?|\n/); };
-
-var hasSelection = window.getSelection ? function (te) {
- try { return te.selectionStart != te.selectionEnd }
- catch(e) { return false }
-} : function (te) {
- var range$$1;
- try {range$$1 = te.ownerDocument.selection.createRange();}
- catch(e) {}
- if (!range$$1 || range$$1.parentElement() != te) { return false }
- return range$$1.compareEndPoints("StartToEnd", range$$1) != 0
-};
+ function setSelectionInner(doc, sel) {
+ if (sel.equals(doc.sel)) { return }
-var hasCopyEvent = (function () {
- var e = elt("div");
- if ("oncopy" in e) { return true }
- e.setAttribute("oncopy", "return;");
- return typeof e.oncopy == "function"
-})();
+ doc.sel = sel;
-var badZoomedRects = null;
-function hasBadZoomedRects(measure) {
- if (badZoomedRects != null) { return badZoomedRects }
- var node = removeChildrenAndAdd(measure, elt("span", "x"));
- var normal = node.getBoundingClientRect();
- var fromRange = range(node, 0, 1).getBoundingClientRect();
- return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1
-}
+ if (doc.cm) {
+ doc.cm.curOp.updateInput = 1;
+ doc.cm.curOp.selectionChanged = true;
+ signalCursorActivity(doc.cm);
+ }
+ signalLater(doc, "cursorActivity", doc);
+ }
-// Known modes, by name and by MIME
-var modes = {};
-var mimeModes = {};
-
-// Extra arguments are stored as the mode's dependencies, which is
-// used by (legacy) mechanisms like loadmode.js to automatically
-// load a mode. (Preferred mechanism is the require/define calls.)
-function defineMode(name, mode) {
- if (arguments.length > 2)
- { mode.dependencies = Array.prototype.slice.call(arguments, 2); }
- modes[name] = mode;
-}
+ // Verify that the selection does not partially select any atomic
+ // marked ranges.
+ function reCheckSelection(doc) {
+ setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
+ }
-function defineMIME(mime, spec) {
- mimeModes[mime] = spec;
-}
+ // Return a selection that does not partially select any atomic
+ // ranges.
+ function skipAtomicInSelection(doc, sel, bias, mayClear) {
+ var out;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range = sel.ranges[i];
+ var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
+ var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
+ var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
+ if (out || newAnchor != range.anchor || newHead != range.head) {
+ if (!out) { out = sel.ranges.slice(0, i); }
+ out[i] = new Range(newAnchor, newHead);
+ }
+ }
+ return out ? normalizeSelection(doc.cm, out, sel.primIndex) : sel
+ }
-// Given a MIME type, a {name, ...options} config object, or a name
-// string, return a mode config object.
-function resolveMode(spec) {
- if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
- spec = mimeModes[spec];
- } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
- var found = mimeModes[spec.name];
- if (typeof found == "string") { found = {name: found}; }
- spec = createObj(found, spec);
- spec.name = found.name;
- } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+xml$/.test(spec)) {
- return resolveMode("application/xml")
- } else if (typeof spec == "string" && /^[\w\-]+\/[\w\-]+\+json$/.test(spec)) {
- return resolveMode("application/json")
- }
- if (typeof spec == "string") { return {name: spec} }
- else { return spec || {name: "null"} }
-}
+ function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
+ var line = getLine(doc, pos.line);
+ if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
+ var sp = line.markedSpans[i], m = sp.marker;
+
+ // Determine if we should prevent the cursor being placed to the left/right of an atomic marker
+ // Historically this was determined using the inclusiveLeft/Right option, but the new way to control it
+ // is with selectLeft/Right
+ var preventCursorLeft = ("selectLeft" in m) ? !m.selectLeft : m.inclusiveLeft;
+ var preventCursorRight = ("selectRight" in m) ? !m.selectRight : m.inclusiveRight;
+
+ if ((sp.from == null || (preventCursorLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
+ (sp.to == null || (preventCursorRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
+ if (mayClear) {
+ signal(m, "beforeCursorEnter");
+ if (m.explicitlyCleared) {
+ if (!line.markedSpans) { break }
+ else {--i; continue}
+ }
+ }
+ if (!m.atomic) { continue }
-// Given a mode spec (anything that resolveMode accepts), find and
-// initialize an actual mode object.
-function getMode(options, spec) {
- spec = resolveMode(spec);
- var mfactory = modes[spec.name];
- if (!mfactory) { return getMode(options, "text/plain") }
- var modeObj = mfactory(options, spec);
- if (modeExtensions.hasOwnProperty(spec.name)) {
- var exts = modeExtensions[spec.name];
- for (var prop in exts) {
- if (!exts.hasOwnProperty(prop)) { continue }
- if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }
- modeObj[prop] = exts[prop];
- }
- }
- modeObj.name = spec.name;
- if (spec.helperType) { modeObj.helperType = spec.helperType; }
- if (spec.modeProps) { for (var prop$1 in spec.modeProps)
- { modeObj[prop$1] = spec.modeProps[prop$1]; } }
-
- return modeObj
-}
+ if (oldPos) {
+ var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
+ if (dir < 0 ? preventCursorRight : preventCursorLeft)
+ { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
+ if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
+ { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+ }
-// This can be used to attach properties to mode objects from
-// outside the actual mode definition.
-var modeExtensions = {};
-function extendMode(mode, properties) {
- var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});
- copyObj(properties, exts);
-}
+ var far = m.find(dir < 0 ? -1 : 1);
+ if (dir < 0 ? preventCursorLeft : preventCursorRight)
+ { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
+ return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
+ }
+ } }
+ return pos
+ }
-function copyState(mode, state) {
- if (state === true) { return state }
- if (mode.copyState) { return mode.copyState(state) }
- var nstate = {};
- for (var n in state) {
- var val = state[n];
- if (val instanceof Array) { val = val.concat([]); }
- nstate[n] = val;
+ // Ensure a given position is not inside an atomic range.
+ function skipAtomic(doc, pos, oldPos, bias, mayClear) {
+ var dir = bias || 1;
+ var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
+ skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
+ (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
+ if (!found) {
+ doc.cantEdit = true;
+ return Pos(doc.first, 0)
+ }
+ return found
}
- return nstate
-}
-// Given a mode and a state (for that mode), find the inner mode and
-// state at the position that the state refers to.
-function innerMode(mode, state) {
- var info;
- while (mode.innerMode) {
- info = mode.innerMode(state);
- if (!info || info.mode == mode) { break }
- state = info.state;
- mode = info.mode;
- }
- return info || {mode: mode, state: state}
-}
+ function movePos(doc, pos, dir, line) {
+ if (dir < 0 && pos.ch == 0) {
+ if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
+ else { return null }
+ } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
+ if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
+ else { return null }
+ } else {
+ return new Pos(pos.line, pos.ch + dir)
+ }
+ }
-function startState(mode, a1, a2) {
- return mode.startState ? mode.startState(a1, a2) : true
-}
+ function selectAll(cm) {
+ cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
+ }
-// STRING STREAM
+ // UPDATING
-// Fed to the mode parsers, provides helper functions to make
-// parsers more succinct.
+ // Allow "beforeChange" event handlers to influence a change
+ function filterChange(doc, change, update) {
+ var obj = {
+ canceled: false,
+ from: change.from,
+ to: change.to,
+ text: change.text,
+ origin: change.origin,
+ cancel: function () { return obj.canceled = true; }
+ };
+ if (update) { obj.update = function (from, to, text, origin) {
+ if (from) { obj.from = clipPos(doc, from); }
+ if (to) { obj.to = clipPos(doc, to); }
+ if (text) { obj.text = text; }
+ if (origin !== undefined) { obj.origin = origin; }
+ }; }
+ signal(doc, "beforeChange", doc, obj);
+ if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }
-var StringStream = function(string, tabSize, lineOracle) {
- this.pos = this.start = 0;
- this.string = string;
- this.tabSize = tabSize || 8;
- this.lastColumnPos = this.lastColumnValue = 0;
- this.lineStart = 0;
- this.lineOracle = lineOracle;
-};
+ if (obj.canceled) {
+ if (doc.cm) { doc.cm.curOp.updateInput = 2; }
+ return null
+ }
+ return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
+ }
-StringStream.prototype.eol = function () {return this.pos >= this.string.length};
-StringStream.prototype.sol = function () {return this.pos == this.lineStart};
-StringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};
-StringStream.prototype.next = function () {
- if (this.pos < this.string.length)
- { return this.string.charAt(this.pos++) }
-};
-StringStream.prototype.eat = function (match) {
- var ch = this.string.charAt(this.pos);
- var ok;
- if (typeof match == "string") { ok = ch == match; }
- else { ok = ch && (match.test ? match.test(ch) : match(ch)); }
- if (ok) {++this.pos; return ch}
-};
-StringStream.prototype.eatWhile = function (match) {
- var start = this.pos;
- while (this.eat(match)){}
- return this.pos > start
-};
-StringStream.prototype.eatSpace = function () {
- var this$1 = this;
+ // Apply a change to a document, and add it to the document's
+ // history, and propagating it to all linked documents.
+ function makeChange(doc, change, ignoreReadOnly) {
+ if (doc.cm) {
+ if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
+ if (doc.cm.state.suppressEdits) { return }
+ }
- var start = this.pos;
- while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }
- return this.pos > start
-};
-StringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};
-StringStream.prototype.skipTo = function (ch) {
- var found = this.string.indexOf(ch, this.pos);
- if (found > -1) {this.pos = found; return true}
-};
-StringStream.prototype.backUp = function (n) {this.pos -= n;};
-StringStream.prototype.column = function () {
- if (this.lastColumnPos < this.start) {
- this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);
- this.lastColumnPos = this.start;
- }
- return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
-};
-StringStream.prototype.indentation = function () {
- return countColumn(this.string, null, this.tabSize) -
- (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)
-};
-StringStream.prototype.match = function (pattern, consume, caseInsensitive) {
- if (typeof pattern == "string") {
- var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };
- var substr = this.string.substr(this.pos, pattern.length);
- if (cased(substr) == cased(pattern)) {
- if (consume !== false) { this.pos += pattern.length; }
- return true
+ if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
+ change = filterChange(doc, change, true);
+ if (!change) { return }
+ }
+
+ // Possibly split or suppress the update based on the presence
+ // of read-only spans in its range.
+ var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
+ if (split) {
+ for (var i = split.length - 1; i >= 0; --i)
+ { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
+ } else {
+ makeChangeInner(doc, change);
}
- } else {
- var match = this.string.slice(this.pos).match(pattern);
- if (match && match.index > 0) { return null }
- if (match && consume !== false) { this.pos += match[0].length; }
- return match
}
-};
-StringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};
-StringStream.prototype.hideFirstChars = function (n, inner) {
- this.lineStart += n;
- try { return inner() }
- finally { this.lineStart -= n; }
-};
-StringStream.prototype.lookAhead = function (n) {
- var oracle = this.lineOracle;
- return oracle && oracle.lookAhead(n)
-};
-StringStream.prototype.baseToken = function () {
- var oracle = this.lineOracle;
- return oracle && oracle.baseToken(this.pos)
-};
-var SavedContext = function(state, lookAhead) {
- this.state = state;
- this.lookAhead = lookAhead;
-};
+ function makeChangeInner(doc, change) {
+ if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
+ var selAfter = computeSelAfterChange(doc, change);
+ addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
-var Context = function(doc, state, line, lookAhead) {
- this.state = state;
- this.doc = doc;
- this.line = line;
- this.maxLookAhead = lookAhead || 0;
- this.baseTokens = null;
- this.baseTokenPos = 1;
-};
+ makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
+ var rebased = [];
-Context.prototype.lookAhead = function (n) {
- var line = this.doc.getLine(this.line + n);
- if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }
- return line
-};
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
+ });
+ }
-Context.prototype.baseToken = function (n) {
- var this$1 = this;
+ // Revert a change stored in a document's history.
+ function makeChangeFromHistory(doc, type, allowSelectionOnly) {
+ var suppress = doc.cm && doc.cm.state.suppressEdits;
+ if (suppress && !allowSelectionOnly) { return }
- if (!this.baseTokens) { return null }
- while (this.baseTokens[this.baseTokenPos] <= n)
- { this$1.baseTokenPos += 2; }
- var type = this.baseTokens[this.baseTokenPos + 1];
- return {type: type && type.replace(/( |^)overlay .*/, ""),
- size: this.baseTokens[this.baseTokenPos] - n}
-};
+ var hist = doc.history, event, selAfter = doc.sel;
+ var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-Context.prototype.nextLine = function () {
- this.line++;
- if (this.maxLookAhead > 0) { this.maxLookAhead--; }
-};
+ // Verify that there is a useable event (so that ctrl-z won't
+ // needlessly clear selection events)
+ var i = 0;
+ for (; i < source.length; i++) {
+ event = source[i];
+ if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
+ { break }
+ }
+ if (i == source.length) { return }
+ hist.lastOrigin = hist.lastSelOrigin = null;
-Context.fromSaved = function (doc, saved, line) {
- if (saved instanceof SavedContext)
- { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }
- else
- { return new Context(doc, copyState(doc.mode, saved), line) }
-};
+ for (;;) {
+ event = source.pop();
+ if (event.ranges) {
+ pushSelectionToHistory(event, dest);
+ if (allowSelectionOnly && !event.equals(doc.sel)) {
+ setSelection(doc, event, {clearRedo: false});
+ return
+ }
+ selAfter = event;
+ } else if (suppress) {
+ source.push(event);
+ return
+ } else { break }
+ }
-Context.prototype.save = function (copy) {
- var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;
- return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state
-};
+ // Build up a reverse change object to add to the opposite history
+ // stack (redo when undoing, and vice versa).
+ var antiChanges = [];
+ pushSelectionToHistory(selAfter, dest);
+ dest.push({changes: antiChanges, generation: hist.generation});
+ hist.generation = event.generation || ++hist.maxGeneration;
+ var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
-// Compute a style array (an array starting with a mode generation
-// -- for invalidation -- followed by pairs of end positions and
-// style strings), which is used to highlight the tokens on the
-// line.
-function highlightLine(cm, line, context, forceToEnd) {
- // A styles array always starts with a number identifying the
- // mode/overlays that it is based on (for easy invalidation).
- var st = [cm.state.modeGen], lineClasses = {};
- // Compute the base array of styles
- runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },
- lineClasses, forceToEnd);
- var state = context.state;
-
- // Run overlays, adjust style array.
- var loop = function ( o ) {
- context.baseTokens = st;
- var overlay = cm.state.overlays[o], i = 1, at = 0;
- context.state = true;
- runMode(cm, line.text, overlay.mode, context, function (end, style) {
- var start = i;
- // Ensure there's a token end at the current position, and that i points at it
- while (at < end) {
- var i_end = st[i];
- if (i_end > end)
- { st.splice(i, 1, end, st[i+1], i_end); }
- i += 2;
- at = Math.min(end, i_end);
- }
- if (!style) { return }
- if (overlay.opaque) {
- st.splice(start, i - start, end, "overlay " + style);
- i = start + 2;
- } else {
- for (; start < i; start += 2) {
- var cur = st[start+1];
- st[start+1] = (cur ? cur + " " : "") + "overlay " + style;
- }
+ var loop = function ( i ) {
+ var change = event.changes[i];
+ change.origin = type;
+ if (filter && !filterChange(doc, change, false)) {
+ source.length = 0;
+ return {}
}
- }, lineClasses);
- context.state = state;
- context.baseTokens = null;
- context.baseTokenPos = 1;
- };
- for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );
+ antiChanges.push(historyChangeFromChange(doc, change));
- return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}
-}
+ var after = i ? computeSelAfterChange(doc, change) : lst(source);
+ makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
+ if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
+ var rebased = [];
-function getLineStyles(cm, line, updateFrontier) {
- if (!line.styles || line.styles[0] != cm.state.modeGen) {
- var context = getContextBefore(cm, lineNo(line));
- var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);
- var result = highlightLine(cm, line, context);
- if (resetState) { context.state = resetState; }
- line.stateAfter = context.save(!resetState);
- line.styles = result.styles;
- if (result.classes) { line.styleClasses = result.classes; }
- else if (line.styleClasses) { line.styleClasses = null; }
- if (updateFrontier === cm.doc.highlightFrontier)
- { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }
- }
- return line.styles
-}
+ // Propagate to the linked documents
+ linkedDocs(doc, function (doc, sharedHist) {
+ if (!sharedHist && indexOf(rebased, doc.history) == -1) {
+ rebaseHist(doc.history, change);
+ rebased.push(doc.history);
+ }
+ makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
+ });
+ };
-function getContextBefore(cm, n, precise) {
- var doc = cm.doc, display = cm.display;
- if (!doc.mode.startState) { return new Context(doc, true, n) }
- var start = findStartLine(cm, n, precise);
- var saved = start > doc.first && getLine(doc, start - 1).stateAfter;
- var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);
-
- doc.iter(start, n, function (line) {
- processLine(cm, line.text, context);
- var pos = context.line;
- line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;
- context.nextLine();
- });
- if (precise) { doc.modeFrontier = context.line; }
- return context
-}
+ for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
+ var returned = loop( i$1 );
-// Lightweight form of highlight -- proceed over this line and
-// update state, but don't save a style array. Used for lines that
-// aren't currently visible.
-function processLine(cm, text, context, startAt) {
- var mode = cm.doc.mode;
- var stream = new StringStream(text, cm.options.tabSize, context);
- stream.start = stream.pos = startAt || 0;
- if (text == "") { callBlankLine(mode, context.state); }
- while (!stream.eol()) {
- readToken(mode, stream, context.state);
- stream.start = stream.pos;
+ if ( returned ) return returned.v;
+ }
}
-}
-function callBlankLine(mode, state) {
- if (mode.blankLine) { return mode.blankLine(state) }
- if (!mode.innerMode) { return }
- var inner = innerMode(mode, state);
- if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }
-}
-
-function readToken(mode, stream, state, inner) {
- for (var i = 0; i < 10; i++) {
- if (inner) { inner[0] = innerMode(mode, state).mode; }
- var style = mode.token(stream, state);
- if (stream.pos > stream.start) { return style }
+ // Sub-views need their line numbers shifted when text is added
+ // above or below them in the parent document.
+ function shiftDoc(doc, distance) {
+ if (distance == 0) { return }
+ doc.first += distance;
+ doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
+ Pos(range.anchor.line + distance, range.anchor.ch),
+ Pos(range.head.line + distance, range.head.ch)
+ ); }), doc.sel.primIndex);
+ if (doc.cm) {
+ regChange(doc.cm, doc.first, doc.first - distance, distance);
+ for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
+ { regLineChange(doc.cm, l, "gutter"); }
+ }
}
- throw new Error("Mode " + mode.name + " failed to advance stream.")
-}
-
-var Token = function(stream, type, state) {
- this.start = stream.start; this.end = stream.pos;
- this.string = stream.current();
- this.type = type || null;
- this.state = state;
-};
-
-// Utility for getTokenAt and getLineTokens
-function takeToken(cm, pos, precise, asArray) {
- var doc = cm.doc, mode = doc.mode, style;
- pos = clipPos(doc, pos);
- var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);
- var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;
- if (asArray) { tokens = []; }
- while ((asArray || stream.pos < pos.ch) && !stream.eol()) {
- stream.start = stream.pos;
- style = readToken(mode, stream, context.state);
- if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }
- }
- return asArray ? tokens : new Token(stream, style, context.state)
-}
-function extractLineClasses(type, output) {
- if (type) { for (;;) {
- var lineClass = type.match(/(?:^|\s+)line-(background-)?(\S+)/);
- if (!lineClass) { break }
- type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);
- var prop = lineClass[1] ? "bgClass" : "textClass";
- if (output[prop] == null)
- { output[prop] = lineClass[2]; }
- else if (!(new RegExp("(?:^|\s)" + lineClass[2] + "(?:$|\s)")).test(output[prop]))
- { output[prop] += " " + lineClass[2]; }
- } }
- return type
-}
+ // More lower-level change function, handling only a single document
+ // (not linked ones).
+ function makeChangeSingleDoc(doc, change, selAfter, spans) {
+ if (doc.cm && !doc.cm.curOp)
+ { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
-// Run the given mode's parser over a line, calling f for each token.
-function runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {
- var flattenSpans = mode.flattenSpans;
- if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }
- var curStart = 0, curStyle = null;
- var stream = new StringStream(text, cm.options.tabSize, context), style;
- var inner = cm.options.addModeClass && [null];
- if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }
- while (!stream.eol()) {
- if (stream.pos > cm.options.maxHighlightLength) {
- flattenSpans = false;
- if (forceToEnd) { processLine(cm, text, context, stream.pos); }
- stream.pos = text.length;
- style = null;
- } else {
- style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);
+ if (change.to.line < doc.first) {
+ shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
+ return
}
- if (inner) {
- var mName = inner[0].name;
- if (mName) { style = "m-" + (style ? mName + " " + style : mName); }
+ if (change.from.line > doc.lastLine()) { return }
+
+ // Clip the change to the size of this doc
+ if (change.from.line < doc.first) {
+ var shift = change.text.length - 1 - (doc.first - change.from.line);
+ shiftDoc(doc, shift);
+ change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
+ text: [lst(change.text)], origin: change.origin};
}
- if (!flattenSpans || curStyle != style) {
- while (curStart < stream.start) {
- curStart = Math.min(stream.start, curStart + 5000);
- f(curStart, curStyle);
- }
- curStyle = style;
+ var last = doc.lastLine();
+ if (change.to.line > last) {
+ change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
+ text: [change.text[0]], origin: change.origin};
}
- stream.start = stream.pos;
- }
- while (curStart < stream.pos) {
- // Webkit seems to refuse to render text nodes longer than 57444
- // characters, and returns inaccurate measurements in nodes
- // starting around 5000 chars.
- var pos = Math.min(stream.pos, curStart + 5000);
- f(pos, curStyle);
- curStart = pos;
- }
-}
-// Finds the line to start with when starting a parse. Tries to
-// find a line with a stateAfter, so that it can start with a
-// valid state. If that fails, it returns the line with the
-// smallest indentation, which tends to need the least context to
-// parse correctly.
-function findStartLine(cm, n, precise) {
- var minindent, minline, doc = cm.doc;
- var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);
- for (var search = n; search > lim; --search) {
- if (search <= doc.first) { return doc.first }
- var line = getLine(doc, search - 1), after = line.stateAfter;
- if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))
- { return search }
- var indented = countColumn(line.text, null, cm.options.tabSize);
- if (minline == null || minindent > indented) {
- minline = search - 1;
- minindent = indented;
- }
- }
- return minline
-}
+ change.removed = getBetween(doc, change.from, change.to);
-function retreatFrontier(doc, n) {
- doc.modeFrontier = Math.min(doc.modeFrontier, n);
- if (doc.highlightFrontier < n - 10) { return }
- var start = doc.first;
- for (var line = n - 1; line > start; line--) {
- var saved = getLine(doc, line).stateAfter;
- // change is on 3
- // state on line 1 looked ahead 2 -- so saw 3
- // test 1 + 2 < 3 should cover this
- if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {
- start = line + 1;
- break
- }
- }
- doc.highlightFrontier = Math.min(doc.highlightFrontier, start);
-}
+ if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
+ if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
+ else { updateDoc(doc, change, spans); }
+ setSelectionNoUndo(doc, selAfter, sel_dontScroll);
-// LINE DATA STRUCTURE
+ if (doc.cantEdit && skipAtomic(doc, Pos(doc.firstLine(), 0)))
+ { doc.cantEdit = false; }
+ }
-// Line objects. These hold state related to a line, including
-// highlighting info (the styles array).
-var Line = function(text, markedSpans, estimateHeight) {
- this.text = text;
- attachMarkedSpans(this, markedSpans);
- this.height = estimateHeight ? estimateHeight(this) : 1;
-};
+ // Handle the interaction of a change to a document with the editor
+ // that this document is part of.
+ function makeChangeSingleDocInEditor(cm, change, spans) {
+ var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-Line.prototype.lineNo = function () { return lineNo(this) };
-eventMixin(Line);
-
-// Change the content (text, markers) of a line. Automatically
-// invalidates cached information and tries to re-estimate the
-// line's height.
-function updateLine(line, text, markedSpans, estimateHeight) {
- line.text = text;
- if (line.stateAfter) { line.stateAfter = null; }
- if (line.styles) { line.styles = null; }
- if (line.order != null) { line.order = null; }
- detachMarkedSpans(line);
- attachMarkedSpans(line, markedSpans);
- var estHeight = estimateHeight ? estimateHeight(line) : 1;
- if (estHeight != line.height) { updateLineHeight(line, estHeight); }
-}
+ var recomputeMaxLength = false, checkWidthStart = from.line;
+ if (!cm.options.lineWrapping) {
+ checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
+ doc.iter(checkWidthStart, to.line + 1, function (line) {
+ if (line == display.maxLine) {
+ recomputeMaxLength = true;
+ return true
+ }
+ });
+ }
-// Detach a line from the document tree and its markers.
-function cleanUpLine(line) {
- line.parent = null;
- detachMarkedSpans(line);
-}
+ if (doc.sel.contains(change.from, change.to) > -1)
+ { signalCursorActivity(cm); }
-// Convert a style as returned by a mode (either null, or a string
-// containing one or more styles) to a CSS style. This is cached,
-// and also looks for line-wide styles.
-var styleToClassCache = {};
-var styleToClassCacheWithMode = {};
-function interpretTokenStyle(style, options) {
- if (!style || /^\s*$/.test(style)) { return null }
- var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;
- return cache[style] ||
- (cache[style] = style.replace(/\S+/g, "cm-$&"))
-}
+ updateDoc(doc, change, spans, estimateHeight(cm));
-// Render the DOM representation of the text of a line. Also builds
-// up a 'line map', which points at the DOM nodes that represent
-// specific stretches of text, and is used by the measuring code.
-// The returned object contains the DOM node, this map, and
-// information about line-wide styles that were set by the mode.
-function buildLineContent(cm, lineView) {
- // The padding-right forces the element to have a 'border', which
- // is needed on Webkit to be able to get line-level bounding
- // rectangles for it (in measureChar).
- var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);
- var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,
- col: 0, pos: 0, cm: cm,
- trailingSpace: false,
- splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};
- lineView.measure = {};
-
- // Iterate over the logical lines that make up this visual line.
- for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {
- var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);
- builder.pos = 0;
- builder.addToken = buildToken;
- // Optionally wire in some hacks into the token-rendering
- // algorithm, to deal with browser quirks.
- if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))
- { builder.addToken = buildTokenBadBidi(builder.addToken, order); }
- builder.map = [];
- var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);
- insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));
- if (line.styleClasses) {
- if (line.styleClasses.bgClass)
- { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }
- if (line.styleClasses.textClass)
- { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }
- }
-
- // Ensure at least a single node is present, for measuring.
- if (builder.map.length == 0)
- { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }
-
- // Store the map and a cache object for the current logical line
- if (i == 0) {
- lineView.measure.map = builder.map;
- lineView.measure.cache = {};
- } else {
- (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)
- ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});
+ if (!cm.options.lineWrapping) {
+ doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
+ var len = lineLength(line);
+ if (len > display.maxLineLength) {
+ display.maxLine = line;
+ display.maxLineLength = len;
+ display.maxLineChanged = true;
+ recomputeMaxLength = false;
+ }
+ });
+ if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
}
- }
- // See issue #2901
- if (webkit) {
- var last = builder.content.lastChild;
- if (/\bcm-tab\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))
- { builder.content.className = "cm-tab-wrap-hack"; }
- }
+ retreatFrontier(doc, from.line);
+ startWorker(cm, 400);
- signal(cm, "renderLine", cm, lineView.line, builder.pre);
- if (builder.pre.className)
- { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }
+ var lendiff = change.text.length - (to.line - from.line) - 1;
+ // Remember that these lines changed, for updating the display
+ if (change.full)
+ { regChange(cm); }
+ else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
+ { regLineChange(cm, from.line, "text"); }
+ else
+ { regChange(cm, from.line, to.line + 1, lendiff); }
- return builder
-}
+ var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
+ if (changeHandler || changesHandler) {
+ var obj = {
+ from: from, to: to,
+ text: change.text,
+ removed: change.removed,
+ origin: change.origin
+ };
+ if (changeHandler) { signalLater(cm, "change", cm, obj); }
+ if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
+ }
+ cm.display.selForContextMenu = null;
+ }
-function defaultSpecialCharPlaceholder(ch) {
- var token = elt("span", "\u2022", "cm-invalidchar");
- token.title = "\\u" + ch.charCodeAt(0).toString(16);
- token.setAttribute("aria-label", token.title);
- return token
-}
+ function replaceRange(doc, code, from, to, origin) {
+ var assign;
-// Build up the DOM representation for a single token, and add it to
-// the line map. Takes care to render special characters separately.
-function buildToken(builder, text, style, startStyle, endStyle, title, css) {
- if (!text) { return }
- var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;
- var special = builder.cm.state.specialChars, mustWrap = false;
- var content;
- if (!special.test(text)) {
- builder.col += text.length;
- content = document.createTextNode(displayText);
- builder.map.push(builder.pos, builder.pos + text.length, content);
- if (ie && ie_version < 9) { mustWrap = true; }
- builder.pos += text.length;
- } else {
- content = document.createDocumentFragment();
- var pos = 0;
- while (true) {
- special.lastIndex = pos;
- var m = special.exec(text);
- var skipped = m ? m.index - pos : text.length - pos;
- if (skipped) {
- var txt = document.createTextNode(displayText.slice(pos, pos + skipped));
- if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }
- else { content.appendChild(txt); }
- builder.map.push(builder.pos, builder.pos + skipped, txt);
- builder.col += skipped;
- builder.pos += skipped;
- }
- if (!m) { break }
- pos += skipped + 1;
- var txt$1 = (void 0);
- if (m[0] == "\t") {
- var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;
- txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));
- txt$1.setAttribute("role", "presentation");
- txt$1.setAttribute("cm-text", "\t");
- builder.col += tabWidth;
- } else if (m[0] == "\r" || m[0] == "\n") {
- txt$1 = content.appendChild(elt("span", m[0] == "\r" ? "\u240d" : "\u2424", "cm-invalidchar"));
- txt$1.setAttribute("cm-text", m[0]);
- builder.col += 1;
- } else {
- txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);
- txt$1.setAttribute("cm-text", m[0]);
- if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }
- else { content.appendChild(txt$1); }
- builder.col += 1;
- }
- builder.map.push(builder.pos, builder.pos + 1, txt$1);
- builder.pos++;
- }
- }
- builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;
- if (style || startStyle || endStyle || mustWrap || css) {
- var fullStyle = style || "";
- if (startStyle) { fullStyle += startStyle; }
- if (endStyle) { fullStyle += endStyle; }
- var token = elt("span", [content], fullStyle, css);
- if (title) { token.title = title; }
- return builder.content.appendChild(token)
- }
- builder.content.appendChild(content);
-}
+ if (!to) { to = from; }
+ if (cmp(to, from) < 0) { (assign = [to, from], from = assign[0], to = assign[1]); }
+ if (typeof code == "string") { code = doc.splitLines(code); }
+ makeChange(doc, {from: from, to: to, text: code, origin: origin});
+ }
-function splitSpaces(text, trailingBefore) {
- if (text.length > 1 && !/ /.test(text)) { return text }
- var spaceBefore = trailingBefore, result = "";
- for (var i = 0; i < text.length; i++) {
- var ch = text.charAt(i);
- if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))
- { ch = "\u00a0"; }
- result += ch;
- spaceBefore = ch == " ";
- }
- return result
-}
+ // Rebasing/resetting history to deal with externally-sourced changes
-// Work around nonsense dimensions being reported for stretches of
-// right-to-left text.
-function buildTokenBadBidi(inner, order) {
- return function (builder, text, style, startStyle, endStyle, title, css) {
- style = style ? style + " cm-force-border" : "cm-force-border";
- var start = builder.pos, end = start + text.length;
- for (;;) {
- // Find the part that overlaps with the start of this text
- var part = (void 0);
- for (var i = 0; i < order.length; i++) {
- part = order[i];
- if (part.to > start && part.from <= start) { break }
- }
- if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }
- inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);
- startStyle = null;
- text = text.slice(part.to - start);
- start = part.to;
+ function rebaseHistSelSingle(pos, from, to, diff) {
+ if (to < pos.line) {
+ pos.line += diff;
+ } else if (from < pos.line) {
+ pos.line = from;
+ pos.ch = 0;
}
}
-}
-
-function buildCollapsedSpan(builder, size, marker, ignoreWidget) {
- var widget = !ignoreWidget && marker.widgetNode;
- if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }
- if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {
- if (!widget)
- { widget = builder.content.appendChild(document.createElement("span")); }
- widget.setAttribute("cm-marker", marker.id);
- }
- if (widget) {
- builder.cm.display.input.setUneditable(widget);
- builder.content.appendChild(widget);
- }
- builder.pos += size;
- builder.trailingSpace = false;
-}
-// Outputs a number of spans to make up a line, taking highlighting
-// and marked text into account.
-function insertLineContent(line, builder, styles) {
- var spans = line.markedSpans, allText = line.text, at = 0;
- if (!spans) {
- for (var i$1 = 1; i$1 < styles.length; i$1+=2)
- { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }
- return
- }
-
- var len = allText.length, pos = 0, i = 1, text = "", style, css;
- var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;
- for (;;) {
- if (nextChange == pos) { // Update current marker set
- spanStyle = spanEndStyle = spanStartStyle = title = css = "";
- collapsed = null; nextChange = Infinity;
- var foundBookmarks = [], endStyles = (void 0);
- for (var j = 0; j < spans.length; ++j) {
- var sp = spans[j], m = sp.marker;
- if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {
- foundBookmarks.push(m);
- } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {
- if (sp.to != null && sp.to != pos && nextChange > sp.to) {
- nextChange = sp.to;
- spanEndStyle = "";
- }
- if (m.className) { spanStyle += " " + m.className; }
- if (m.css) { css = (css ? css + ";" : "") + m.css; }
- if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }
- if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }
- if (m.title && !title) { title = m.title; }
- if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))
- { collapsed = sp; }
- } else if (sp.from > pos && nextChange > sp.from) {
- nextChange = sp.from;
+ // Tries to rebase an array of history events given a change in the
+ // document. If the change touches the same lines as the event, the
+ // event, and everything 'behind' it, is discarded. If the change is
+ // before the event, the event's positions are updated. Uses a
+ // copy-on-write scheme for the positions, to avoid having to
+ // reallocate them all on every rebase, but also avoid problems with
+ // shared position objects being unsafely updated.
+ function rebaseHistArray(array, from, to, diff) {
+ for (var i = 0; i < array.length; ++i) {
+ var sub = array[i], ok = true;
+ if (sub.ranges) {
+ if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
+ for (var j = 0; j < sub.ranges.length; j++) {
+ rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
+ rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
+ }
+ continue
+ }
+ for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
+ var cur = sub.changes[j$1];
+ if (to < cur.from.line) {
+ cur.from = Pos(cur.from.line + diff, cur.from.ch);
+ cur.to = Pos(cur.to.line + diff, cur.to.ch);
+ } else if (from <= cur.to.line) {
+ ok = false;
+ break
}
}
- if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)
- { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }
-
- if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)
- { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }
- if (collapsed && (collapsed.from || 0) == pos) {
- buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,
- collapsed.marker, collapsed.from == null);
- if (collapsed.to == null) { return }
- if (collapsed.to == pos) { collapsed = false; }
- }
- }
- if (pos >= len) { break }
-
- var upto = Math.min(len, nextChange);
- while (true) {
- if (text) {
- var end = pos + text.length;
- if (!collapsed) {
- var tokenText = end > upto ? text.slice(0, upto - pos) : text;
- builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,
- spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);
- }
- if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}
- pos = end;
- spanStartStyle = "";
+ if (!ok) {
+ array.splice(0, i + 1);
+ i = 0;
}
- text = allText.slice(at, at = styles[i++]);
- style = interpretTokenStyle(styles[i++], builder.cm.options);
}
}
-}
-
-// These objects are used to represent the visible (currently drawn)
-// part of the document. A LineView may correspond to multiple
-// logical lines, if those are connected by collapsed ranges.
-function LineView(doc, line, lineN) {
- // The starting line
- this.line = line;
- // Continuing lines, if any
- this.rest = visualLineContinued(line);
- // Number of logical lines in this visual line
- this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;
- this.node = this.text = null;
- this.hidden = lineIsHidden(doc, line);
-}
-
-// Create a range of LineView objects for the given lines.
-function buildViewArray(cm, from, to) {
- var array = [], nextPos;
- for (var pos = from; pos < to; pos = nextPos) {
- var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);
- nextPos = pos + view.size;
- array.push(view);
+ function rebaseHist(hist, change) {
+ var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
+ rebaseHistArray(hist.done, from, to, diff);
+ rebaseHistArray(hist.undone, from, to, diff);
}
- return array
-}
-var operationGroup = null;
-
-function pushOperation(op) {
- if (operationGroup) {
- operationGroup.ops.push(op);
- } else {
- op.ownsGroup = operationGroup = {
- ops: [op],
- delayedCallbacks: []
- };
+ // Utility for applying a change to a line by handle or number,
+ // returning the number and optionally registering the line as
+ // changed.
+ function changeLine(doc, handle, changeType, op) {
+ var no = handle, line = handle;
+ if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
+ else { no = lineNo(handle); }
+ if (no == null) { return null }
+ if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
+ return line
}
-}
-function fireCallbacksForOps(group) {
- // Calls delayed callbacks and cursorActivity handlers until no
- // new ones appear
- var callbacks = group.delayedCallbacks, i = 0;
- do {
- for (; i < callbacks.length; i++)
- { callbacks[i].call(null); }
- for (var j = 0; j < group.ops.length; j++) {
- var op = group.ops[j];
- if (op.cursorActivityHandlers)
- { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)
- { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }
- }
- } while (i < callbacks.length)
-}
-
-function finishOperation(op, endCb) {
- var group = op.ownsGroup;
- if (!group) { return }
+ // The document is represented as a BTree consisting of leaves, with
+ // chunk of lines in them, and branches, with up to ten leaves or
+ // other branch nodes below them. The top node is always a branch
+ // node, and is the document object itself (meaning it has
+ // additional methods and properties).
+ //
+ // All nodes have parent links. The tree is used both to go from
+ // line numbers to line objects, and to go from objects to numbers.
+ // It also indexes by height, and is used to convert between height
+ // and line object, and to find the total height of the document.
+ //
+ // See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
- try { fireCallbacksForOps(group); }
- finally {
- operationGroup = null;
- endCb(group);
- }
-}
+ function LeafChunk(lines) {
+ var this$1 = this;
-var orphanDelayedCallbacks = null;
-
-// Often, we want to signal events at a point where we are in the
-// middle of some work, but don't want the handler to start calling
-// other methods on the editor, which might be in an inconsistent
-// state or simply not expect any other events to happen.
-// signalLater looks whether there are any handlers, and schedules
-// them to be executed when the last operation ends, or, if no
-// operation is active, when a timeout fires.
-function signalLater(emitter, type /*, values...*/) {
- var arr = getHandlers(emitter, type);
- if (!arr.length) { return }
- var args = Array.prototype.slice.call(arguments, 2), list;
- if (operationGroup) {
- list = operationGroup.delayedCallbacks;
- } else if (orphanDelayedCallbacks) {
- list = orphanDelayedCallbacks;
- } else {
- list = orphanDelayedCallbacks = [];
- setTimeout(fireOrphanDelayed, 0);
+ this.lines = lines;
+ this.parent = null;
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) {
+ lines[i].parent = this$1;
+ height += lines[i].height;
+ }
+ this.height = height;
}
- var loop = function ( i ) {
- list.push(function () { return arr[i].apply(null, args); });
- };
- for (var i = 0; i < arr.length; ++i)
- loop( i );
-}
+ LeafChunk.prototype = {
+ chunkSize: function() { return this.lines.length },
-function fireOrphanDelayed() {
- var delayed = orphanDelayedCallbacks;
- orphanDelayedCallbacks = null;
- for (var i = 0; i < delayed.length; ++i) { delayed[i](); }
-}
+ // Remove the n lines at offset 'at'.
+ removeInner: function(at, n) {
+ var this$1 = this;
-// When an aspect of a line changes, a string is added to
-// lineView.changes. This updates the relevant part of the line's
-// DOM structure.
-function updateLineForChanges(cm, lineView, lineN, dims) {
- for (var j = 0; j < lineView.changes.length; j++) {
- var type = lineView.changes[j];
- if (type == "text") { updateLineText(cm, lineView); }
- else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }
- else if (type == "class") { updateLineClasses(cm, lineView); }
- else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }
- }
- lineView.changes = null;
-}
+ for (var i = at, e = at + n; i < e; ++i) {
+ var line = this$1.lines[i];
+ this$1.height -= line.height;
+ cleanUpLine(line);
+ signalLater(line, "delete");
+ }
+ this.lines.splice(at, n);
+ },
-// Lines with gutter elements, widgets or a background class need to
-// be wrapped, and have the extra elements added to the wrapper div
-function ensureLineWrapped(lineView) {
- if (lineView.node == lineView.text) {
- lineView.node = elt("div", null, null, "position: relative");
- if (lineView.text.parentNode)
- { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }
- lineView.node.appendChild(lineView.text);
- if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }
- }
- return lineView.node
-}
+ // Helper used to collapse a small branch into a single leaf.
+ collapse: function(lines) {
+ lines.push.apply(lines, this.lines);
+ },
-function updateLineBackground(cm, lineView) {
- var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;
- if (cls) { cls += " CodeMirror-linebackground"; }
- if (lineView.background) {
- if (cls) { lineView.background.className = cls; }
- else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }
- } else if (cls) {
- var wrap = ensureLineWrapped(lineView);
- lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);
- cm.display.input.setUneditable(lineView.background);
- }
-}
+ // Insert the given array of lines at offset 'at', count them as
+ // having the given height.
+ insertInner: function(at, lines, height) {
+ var this$1 = this;
-// Wrapper around buildLineContent which will reuse the structure
-// in display.externalMeasured when possible.
-function getLineContent(cm, lineView) {
- var ext = cm.display.externalMeasured;
- if (ext && ext.line == lineView.line) {
- cm.display.externalMeasured = null;
- lineView.measure = ext.measure;
- return ext.built
- }
- return buildLineContent(cm, lineView)
-}
+ this.height += height;
+ this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
+ for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }
+ },
-// Redraw the line's text. Interacts with the background and text
-// classes because the mode may output tokens that influence these
-// classes.
-function updateLineText(cm, lineView) {
- var cls = lineView.text.className;
- var built = getLineContent(cm, lineView);
- if (lineView.text == lineView.node) { lineView.node = built.pre; }
- lineView.text.parentNode.replaceChild(built.pre, lineView.text);
- lineView.text = built.pre;
- if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {
- lineView.bgClass = built.bgClass;
- lineView.textClass = built.textClass;
- updateLineClasses(cm, lineView);
- } else if (cls) {
- lineView.text.className = cls;
- }
-}
+ // Used to iterate over a part of the tree.
+ iterN: function(at, n, op) {
+ var this$1 = this;
-function updateLineClasses(cm, lineView) {
- updateLineBackground(cm, lineView);
- if (lineView.line.wrapClass)
- { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }
- else if (lineView.node != lineView.text)
- { lineView.node.className = ""; }
- var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;
- lineView.text.className = textClass || "";
-}
+ for (var e = at + n; at < e; ++at)
+ { if (op(this$1.lines[at])) { return true } }
+ }
+ };
-function updateLineGutter(cm, lineView, lineN, dims) {
- if (lineView.gutter) {
- lineView.node.removeChild(lineView.gutter);
- lineView.gutter = null;
- }
- if (lineView.gutterBackground) {
- lineView.node.removeChild(lineView.gutterBackground);
- lineView.gutterBackground = null;
- }
- if (lineView.line.gutterClass) {
- var wrap = ensureLineWrapped(lineView);
- lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,
- ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));
- cm.display.input.setUneditable(lineView.gutterBackground);
- wrap.insertBefore(lineView.gutterBackground, lineView.text);
- }
- var markers = lineView.line.gutterMarkers;
- if (cm.options.lineNumbers || markers) {
- var wrap$1 = ensureLineWrapped(lineView);
- var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));
- cm.display.input.setUneditable(gutterWrap);
- wrap$1.insertBefore(gutterWrap, lineView.text);
- if (lineView.line.gutterClass)
- { gutterWrap.className += " " + lineView.line.gutterClass; }
- if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))
- { lineView.lineNumber = gutterWrap.appendChild(
- elt("div", lineNumberFor(cm.options, lineN),
- "CodeMirror-linenumber CodeMirror-gutter-elt",
- ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }
- if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {
- var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];
- if (found)
- { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",
- ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }
- } }
- }
-}
+ function BranchChunk(children) {
+ var this$1 = this;
-function updateLineWidgets(cm, lineView, dims) {
- if (lineView.alignable) { lineView.alignable = null; }
- for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {
- next = node.nextSibling;
- if (node.className == "CodeMirror-linewidget")
- { lineView.node.removeChild(node); }
+ this.children = children;
+ var size = 0, height = 0;
+ for (var i = 0; i < children.length; ++i) {
+ var ch = children[i];
+ size += ch.chunkSize(); height += ch.height;
+ ch.parent = this$1;
+ }
+ this.size = size;
+ this.height = height;
+ this.parent = null;
}
- insertLineWidgets(cm, lineView, dims);
-}
-// Build a line's DOM representation from scratch
-function buildLineElement(cm, lineView, lineN, dims) {
- var built = getLineContent(cm, lineView);
- lineView.text = lineView.node = built.pre;
- if (built.bgClass) { lineView.bgClass = built.bgClass; }
- if (built.textClass) { lineView.textClass = built.textClass; }
-
- updateLineClasses(cm, lineView);
- updateLineGutter(cm, lineView, lineN, dims);
- insertLineWidgets(cm, lineView, dims);
- return lineView.node
-}
+ BranchChunk.prototype = {
+ chunkSize: function() { return this.size },
-// A lineView may contain multiple logical lines (when merged by
-// collapsed spans). The widgets for all of them need to be drawn.
-function insertLineWidgets(cm, lineView, dims) {
- insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);
- if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
- { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }
-}
+ removeInner: function(at, n) {
+ var this$1 = this;
-function insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {
- if (!line.widgets) { return }
- var wrap = ensureLineWrapped(lineView);
- for (var i = 0, ws = line.widgets; i < ws.length; ++i) {
- var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");
- if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }
- positionLineWidget(widget, node, lineView, dims);
- cm.display.input.setUneditable(node);
- if (allowAbove && widget.above)
- { wrap.insertBefore(node, lineView.gutter || lineView.text); }
- else
- { wrap.appendChild(node); }
- signalLater(widget, "redraw");
- }
-}
+ this.size -= n;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var rm = Math.min(n, sz - at), oldHeight = child.height;
+ child.removeInner(at, rm);
+ this$1.height -= oldHeight - child.height;
+ if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }
+ if ((n -= rm) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ // If the result is smaller than 25 lines, ensure that it is a
+ // single leaf node.
+ if (this.size - n < 25 &&
+ (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
+ var lines = [];
+ this.collapse(lines);
+ this.children = [new LeafChunk(lines)];
+ this.children[0].parent = this;
+ }
+ },
+
+ collapse: function(lines) {
+ var this$1 = this;
-function positionLineWidget(widget, node, lineView, dims) {
- if (widget.noHScroll) {
- (lineView.alignable || (lineView.alignable = [])).push(node);
- var width = dims.wrapperWidth;
- node.style.left = dims.fixedPos + "px";
- if (!widget.coverGutter) {
- width -= dims.gutterTotalWidth;
- node.style.paddingLeft = dims.gutterTotalWidth + "px";
- }
- node.style.width = width + "px";
- }
- if (widget.coverGutter) {
- node.style.zIndex = 5;
- node.style.position = "relative";
- if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }
- }
-}
+ for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }
+ },
-function widgetHeight(widget) {
- if (widget.height != null) { return widget.height }
- var cm = widget.doc.cm;
- if (!cm) { return 0 }
- if (!contains(document.body, widget.node)) {
- var parentStyle = "position: relative;";
- if (widget.coverGutter)
- { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }
- if (widget.noHScroll)
- { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }
- removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));
- }
- return widget.height = widget.node.parentNode.offsetHeight
-}
+ insertInner: function(at, lines, height) {
+ var this$1 = this;
-// Return true when the given mouse event happened in a widget
-function eventInWidget(display, e) {
- for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {
- if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||
- (n.parentNode == display.sizer && n != display.mover))
- { return true }
- }
-}
+ this.size += lines.length;
+ this.height += height;
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at <= sz) {
+ child.insertInner(at, lines, height);
+ if (child.lines && child.lines.length > 50) {
+ // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
+ // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
+ var remaining = child.lines.length % 25 + 25;
+ for (var pos = remaining; pos < child.lines.length;) {
+ var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
+ child.height -= leaf.height;
+ this$1.children.splice(++i, 0, leaf);
+ leaf.parent = this$1;
+ }
+ child.lines = child.lines.slice(0, remaining);
+ this$1.maybeSpill();
+ }
+ break
+ }
+ at -= sz;
+ }
+ },
-// POSITION MEASUREMENT
-
-function paddingTop(display) {return display.lineSpace.offsetTop}
-function paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}
-function paddingH(display) {
- if (display.cachedPaddingH) { return display.cachedPaddingH }
- var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));
- var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;
- var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};
- if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }
- return data
-}
+ // When a node has grown, check whether it should be split.
+ maybeSpill: function() {
+ if (this.children.length <= 10) { return }
+ var me = this;
+ do {
+ var spilled = me.children.splice(me.children.length - 5, 5);
+ var sibling = new BranchChunk(spilled);
+ if (!me.parent) { // Become the parent node
+ var copy = new BranchChunk(me.children);
+ copy.parent = me;
+ me.children = [copy, sibling];
+ me = copy;
+ } else {
+ me.size -= sibling.size;
+ me.height -= sibling.height;
+ var myIndex = indexOf(me.parent.children, me);
+ me.parent.children.splice(myIndex + 1, 0, sibling);
+ }
+ sibling.parent = me.parent;
+ } while (me.children.length > 10)
+ me.parent.maybeSpill();
+ },
-function scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }
-function displayWidth(cm) {
- return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth
-}
-function displayHeight(cm) {
- return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight
-}
+ iterN: function(at, n, op) {
+ var this$1 = this;
-// Ensure the lineView.wrapping.heights array is populated. This is
-// an array of bottom offsets for the lines that make up a drawn
-// line. When lineWrapping is on, there might be more than one
-// height.
-function ensureLineHeights(cm, lineView, rect) {
- var wrapping = cm.options.lineWrapping;
- var curWidth = wrapping && displayWidth(cm);
- if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {
- var heights = lineView.measure.heights = [];
- if (wrapping) {
- lineView.measure.width = curWidth;
- var rects = lineView.text.firstChild.getClientRects();
- for (var i = 0; i < rects.length - 1; i++) {
- var cur = rects[i], next = rects[i + 1];
- if (Math.abs(cur.bottom - next.bottom) > 2)
- { heights.push((cur.bottom + next.top) / 2 - rect.top); }
- }
- }
- heights.push(rect.bottom - rect.top);
- }
-}
+ for (var i = 0; i < this.children.length; ++i) {
+ var child = this$1.children[i], sz = child.chunkSize();
+ if (at < sz) {
+ var used = Math.min(n, sz - at);
+ if (child.iterN(at, used, op)) { return true }
+ if ((n -= used) == 0) { break }
+ at = 0;
+ } else { at -= sz; }
+ }
+ }
+ };
-// Find a line map (mapping character offsets to text nodes) and a
-// measurement cache for the given line number. (A line view might
-// contain multiple lines when collapsed ranges are present.)
-function mapFromLineView(lineView, line, lineN) {
- if (lineView.line == line)
- { return {map: lineView.measure.map, cache: lineView.measure.cache} }
- for (var i = 0; i < lineView.rest.length; i++)
- { if (lineView.rest[i] == line)
- { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }
- for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)
- { if (lineNo(lineView.rest[i$1]) > lineN)
- { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }
-}
+ // Line widgets are block elements displayed above or below a line.
-// Render a line into the hidden node display.externalMeasured. Used
-// when measurement is needed for a line that's not in the viewport.
-function updateExternalMeasurement(cm, line) {
- line = visualLine(line);
- var lineN = lineNo(line);
- var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);
- view.lineN = lineN;
- var built = view.built = buildLineContent(cm, view);
- view.text = built.pre;
- removeChildrenAndAdd(cm.display.lineMeasure, built.pre);
- return view
-}
+ var LineWidget = function(doc, node, options) {
+ var this$1 = this;
-// Get a {top, bottom, left, right} box (in line-local coordinates)
-// for a given character.
-function measureChar(cm, line, ch, bias) {
- return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)
-}
+ if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
+ { this$1[opt] = options[opt]; } } }
+ this.doc = doc;
+ this.node = node;
+ };
-// Find a line view that corresponds to the given line number.
-function findViewForLine(cm, lineN) {
- if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)
- { return cm.display.view[findViewIndex(cm, lineN)] }
- var ext = cm.display.externalMeasured;
- if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)
- { return ext }
-}
+ LineWidget.prototype.clear = function () {
+ var this$1 = this;
-// Measurement can be split in two steps, the set-up work that
-// applies to the whole line, and the measurement of the actual
-// character. Functions like coordsChar, that need to do a lot of
-// measurements in a row, can thus ensure that the set-up work is
-// only done once.
-function prepareMeasureForLine(cm, line) {
- var lineN = lineNo(line);
- var view = findViewForLine(cm, lineN);
- if (view && !view.text) {
- view = null;
- } else if (view && view.changes) {
- updateLineForChanges(cm, view, lineN, getDimensions(cm));
- cm.curOp.forceUpdate = true;
- }
- if (!view)
- { view = updateExternalMeasurement(cm, line); }
-
- var info = mapFromLineView(view, line, lineN);
- return {
- line: line, view: view, rect: null,
- map: info.map, cache: info.cache, before: info.before,
- hasHeights: false
- }
-}
+ var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
+ if (no == null || !ws) { return }
+ for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }
+ if (!ws.length) { line.widgets = null; }
+ var height = widgetHeight(this);
+ updateLineHeight(line, Math.max(0, line.height - height));
+ if (cm) {
+ runInOp(cm, function () {
+ adjustScrollWhenAboveVisible(cm, line, -height);
+ regLineChange(cm, no, "widget");
+ });
+ signalLater(cm, "lineWidgetCleared", cm, this, no);
+ }
+ };
-// Given a prepared measurement object, measures the position of an
-// actual character (or fetches it from the cache).
-function measureCharPrepared(cm, prepared, ch, bias, varHeight) {
- if (prepared.before) { ch = -1; }
- var key = ch + (bias || ""), found;
- if (prepared.cache.hasOwnProperty(key)) {
- found = prepared.cache[key];
- } else {
- if (!prepared.rect)
- { prepared.rect = prepared.view.text.getBoundingClientRect(); }
- if (!prepared.hasHeights) {
- ensureLineHeights(cm, prepared.view, prepared.rect);
- prepared.hasHeights = true;
- }
- found = measureCharInner(cm, prepared, ch, bias);
- if (!found.bogus) { prepared.cache[key] = found; }
- }
- return {left: found.left, right: found.right,
- top: varHeight ? found.rtop : found.top,
- bottom: varHeight ? found.rbottom : found.bottom}
-}
+ LineWidget.prototype.changed = function () {
+ var this$1 = this;
-var nullRect = {left: 0, right: 0, top: 0, bottom: 0};
-
-function nodeAndOffsetInLineMap(map$$1, ch, bias) {
- var node, start, end, collapse, mStart, mEnd;
- // First, search the line map for the text node corresponding to,
- // or closest to, the target character.
- for (var i = 0; i < map$$1.length; i += 3) {
- mStart = map$$1[i];
- mEnd = map$$1[i + 1];
- if (ch < mStart) {
- start = 0; end = 1;
- collapse = "left";
- } else if (ch < mEnd) {
- start = ch - mStart;
- end = start + 1;
- } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {
- end = mEnd - mStart;
- start = end - 1;
- if (ch >= mEnd) { collapse = "right"; }
- }
- if (start != null) {
- node = map$$1[i + 2];
- if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))
- { collapse = bias; }
- if (bias == "left" && start == 0)
- { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {
- node = map$$1[(i -= 3) + 2];
- collapse = "left";
- } }
- if (bias == "right" && start == mEnd - mStart)
- { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {
- node = map$$1[(i += 3) + 2];
- collapse = "right";
- } }
- break
+ var oldH = this.height, cm = this.doc.cm, line = this.line;
+ this.height = null;
+ var diff = widgetHeight(this) - oldH;
+ if (!diff) { return }
+ if (!lineIsHidden(this.doc, line)) { updateLineHeight(line, line.height + diff); }
+ if (cm) {
+ runInOp(cm, function () {
+ cm.curOp.forceUpdate = true;
+ adjustScrollWhenAboveVisible(cm, line, diff);
+ signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
+ });
}
- }
- return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}
-}
-
-function getUsefulRect(rects, bias) {
- var rect = nullRect;
- if (bias == "left") { for (var i = 0; i < rects.length; i++) {
- if ((rect = rects[i]).left != rect.right) { break }
- } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {
- if ((rect = rects[i$1]).left != rect.right) { break }
- } }
- return rect
-}
+ };
+ eventMixin(LineWidget);
-function measureCharInner(cm, prepared, ch, bias) {
- var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);
- var node = place.node, start = place.start, end = place.end, collapse = place.collapse;
-
- var rect;
- if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.
- for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned
- while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }
- while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }
- if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)
- { rect = node.parentNode.getBoundingClientRect(); }
- else
- { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }
- if (rect.left || rect.right || start == 0) { break }
- end = start;
- start = start - 1;
- collapse = "right";
- }
- if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }
- } else { // If it is a widget, simply get the box for the whole widget.
- if (start > 0) { collapse = bias = "right"; }
- var rects;
- if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)
- { rect = rects[bias == "right" ? rects.length - 1 : 0]; }
- else
- { rect = node.getBoundingClientRect(); }
+ function adjustScrollWhenAboveVisible(cm, line, diff) {
+ if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
+ { addToScrollTop(cm, diff); }
}
- if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {
- var rSpan = node.parentNode.getClientRects()[0];
- if (rSpan)
- { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }
- else
- { rect = nullRect; }
- }
-
- var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;
- var mid = (rtop + rbot) / 2;
- var heights = prepared.view.measure.heights;
- var i = 0;
- for (; i < heights.length - 1; i++)
- { if (mid < heights[i]) { break } }
- var top = i ? heights[i - 1] : 0, bot = heights[i];
- var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,
- right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,
- top: top, bottom: bot};
- if (!rect.left && !rect.right) { result.bogus = true; }
- if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }
-
- return result
-}
-
-// Work around problem with bounding client rects on ranges being
-// returned incorrectly when zoomed on IE10 and below.
-function maybeUpdateRectForZooming(measure, rect) {
- if (!window.screen || screen.logicalXDPI == null ||
- screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))
- { return rect }
- var scaleX = screen.logicalXDPI / screen.deviceXDPI;
- var scaleY = screen.logicalYDPI / screen.deviceYDPI;
- return {left: rect.left * scaleX, right: rect.right * scaleX,
- top: rect.top * scaleY, bottom: rect.bottom * scaleY}
-}
-function clearLineMeasurementCacheFor(lineView) {
- if (lineView.measure) {
- lineView.measure.cache = {};
- lineView.measure.heights = null;
- if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)
- { lineView.measure.caches[i] = {}; } }
+ function addLineWidget(doc, handle, node, options) {
+ var widget = new LineWidget(doc, node, options);
+ var cm = doc.cm;
+ if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
+ changeLine(doc, handle, "widget", function (line) {
+ var widgets = line.widgets || (line.widgets = []);
+ if (widget.insertAt == null) { widgets.push(widget); }
+ else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
+ widget.line = line;
+ if (cm && !lineIsHidden(doc, line)) {
+ var aboveVisible = heightAtLine(line) < doc.scrollTop;
+ updateLineHeight(line, line.height + widgetHeight(widget));
+ if (aboveVisible) { addToScrollTop(cm, widget.height); }
+ cm.curOp.forceUpdate = true;
+ }
+ return true
+ });
+ if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }
+ return widget
}
-}
-function clearLineMeasurementCache(cm) {
- cm.display.externalMeasure = null;
- removeChildren(cm.display.lineMeasure);
- for (var i = 0; i < cm.display.view.length; i++)
- { clearLineMeasurementCacheFor(cm.display.view[i]); }
-}
-
-function clearCaches(cm) {
- clearLineMeasurementCache(cm);
- cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;
- if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }
- cm.display.lineNumChars = null;
-}
+ // TEXTMARKERS
-function pageScrollX() {
- // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206
- // which causes page_Offset and bounding client rects to use
- // different reference viewports and invalidate our calculations.
- if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }
- return window.pageXOffset || (document.documentElement || document.body).scrollLeft
-}
-function pageScrollY() {
- if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }
- return window.pageYOffset || (document.documentElement || document.body).scrollTop
-}
+ // Created with markText and setBookmark methods. A TextMarker is a
+ // handle that can be used to clear or find a marked position in the
+ // document. Line objects hold arrays (markedSpans) containing
+ // {from, to, marker} object pointing to such marker objects, and
+ // indicating that such a marker is present on that line. Multiple
+ // lines may point to the same marker when it spans across lines.
+ // The spans will have null for their from/to properties when the
+ // marker continues beyond the start/end of the line. Markers have
+ // links back to the lines they currently touch.
-function widgetTopHeight(lineObj) {
- var height = 0;
- if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)
- { height += widgetHeight(lineObj.widgets[i]); } } }
- return height
-}
+ // Collapsed markers have unique ids, in order to be able to order
+ // them, which is needed for uniquely determining an outer marker
+ // when they overlap (they may nest, but not partially overlap).
+ var nextMarkerId = 0;
-// Converts a {top, bottom, left, right} box from line-local
-// coordinates into another coordinate system. Context may be one of
-// "line", "div" (display.lineDiv), "local"./null (editor), "window",
-// or "page".
-function intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {
- if (!includeWidgets) {
- var height = widgetTopHeight(lineObj);
- rect.top += height; rect.bottom += height;
- }
- if (context == "line") { return rect }
- if (!context) { context = "local"; }
- var yOff = heightAtLine(lineObj);
- if (context == "local") { yOff += paddingTop(cm.display); }
- else { yOff -= cm.display.viewOffset; }
- if (context == "page" || context == "window") {
- var lOff = cm.display.lineSpace.getBoundingClientRect();
- yOff += lOff.top + (context == "window" ? 0 : pageScrollY());
- var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());
- rect.left += xOff; rect.right += xOff;
- }
- rect.top += yOff; rect.bottom += yOff;
- return rect
-}
+ var TextMarker = function(doc, type) {
+ this.lines = [];
+ this.type = type;
+ this.doc = doc;
+ this.id = ++nextMarkerId;
+ };
-// Coverts a box from "div" coords to another coordinate system.
-// Context may be "window", "page", "div", or "local"./null.
-function fromCoordSystem(cm, coords, context) {
- if (context == "div") { return coords }
- var left = coords.left, top = coords.top;
- // First move into "page" coordinate system
- if (context == "page") {
- left -= pageScrollX();
- top -= pageScrollY();
- } else if (context == "local" || !context) {
- var localBox = cm.display.sizer.getBoundingClientRect();
- left += localBox.left;
- top += localBox.top;
- }
-
- var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();
- return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}
-}
+ // Clear the marker.
+ TextMarker.prototype.clear = function () {
+ var this$1 = this;
-function charCoords(cm, pos, context, lineObj, bias) {
- if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }
- return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)
-}
+ if (this.explicitlyCleared) { return }
+ var cm = this.doc.cm, withOp = cm && !cm.curOp;
+ if (withOp) { startOperation(cm); }
+ if (hasHandler(this, "clear")) {
+ var found = this.find();
+ if (found) { signalLater(this, "clear", found.from, found.to); }
+ }
+ var min = null, max = null;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }
+ else if (cm) {
+ if (span.to != null) { max = lineNo(line); }
+ if (span.from != null) { min = lineNo(line); }
+ }
+ line.markedSpans = removeMarkedSpan(line.markedSpans, span);
+ if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
+ { updateLineHeight(line, textHeight(cm.display)); }
+ }
+ if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
+ var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);
+ if (len > cm.display.maxLineLength) {
+ cm.display.maxLine = visual;
+ cm.display.maxLineLength = len;
+ cm.display.maxLineChanged = true;
+ }
+ } }
-// Returns a box for a given cursor position, which may have an
-// 'other' property containing the position of the secondary cursor
-// on a bidi boundary.
-// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`
-// and after `char - 1` in writing order of `char - 1`
-// A cursor Pos(line, char, "after") is on the same visual line as `char`
-// and before `char` in writing order of `char`
-// Examples (upper-case letters are RTL, lower-case are LTR):
-// Pos(0, 1, ...)
-// before after
-// ab a|b a|b
-// aB a|B aB|
-// Ab |Ab A|b
-// AB B|A B|A
-// Every position after the last character on a line is considered to stick
-// to the last character on the line.
-function cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {
- lineObj = lineObj || getLine(cm.doc, pos.line);
- if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
- function get(ch, right) {
- var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);
- if (right) { m.left = m.right; } else { m.right = m.left; }
- return intoCoordSystem(cm, lineObj, m, context)
- }
- var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;
- if (ch >= lineObj.text.length) {
- ch = lineObj.text.length;
- sticky = "before";
- } else if (ch <= 0) {
- ch = 0;
- sticky = "after";
- }
- if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }
-
- function getBidi(ch, partPos, invert) {
- var part = order[partPos], right = part.level == 1;
- return get(invert ? ch - 1 : ch, right != invert)
- }
- var partPos = getBidiPartAt(order, ch, sticky);
- var other = bidiOther;
- var val = getBidi(ch, partPos, sticky == "before");
- if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }
- return val
-}
+ if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
+ this.lines.length = 0;
+ this.explicitlyCleared = true;
+ if (this.atomic && this.doc.cantEdit) {
+ this.doc.cantEdit = false;
+ if (cm) { reCheckSelection(cm.doc); }
+ }
+ if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
+ if (withOp) { endOperation(cm); }
+ if (this.parent) { this.parent.clear(); }
+ };
-// Used to cheaply estimate the coordinates for a position. Used for
-// intermediate scroll updates.
-function estimateCoords(cm, pos) {
- var left = 0;
- pos = clipPos(cm.doc, pos);
- if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }
- var lineObj = getLine(cm.doc, pos.line);
- var top = heightAtLine(lineObj) + paddingTop(cm.display);
- return {left: left, right: left, top: top, bottom: top + lineObj.height}
-}
+ // Find the position of the marker in the document. Returns a {from,
+ // to} object by default. Side can be passed to get a specific side
+ // -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
+ // Pos objects returned contain a line object, rather than a line
+ // number (used to prevent looking up the same line twice).
+ TextMarker.prototype.find = function (side, lineObj) {
+ var this$1 = this;
-// Positions returned by coordsChar contain some extra information.
-// xRel is the relative x position of the input coordinates compared
-// to the found position (so xRel > 0 means the coordinates are to
-// the right of the character position, for example). When outside
-// is true, that means the coordinates lie outside the line's
-// vertical range.
-function PosWithInfo(line, ch, sticky, outside, xRel) {
- var pos = Pos(line, ch, sticky);
- pos.xRel = xRel;
- if (outside) { pos.outside = true; }
- return pos
-}
+ if (side == null && this.type == "bookmark") { side = 1; }
+ var from, to;
+ for (var i = 0; i < this.lines.length; ++i) {
+ var line = this$1.lines[i];
+ var span = getMarkedSpanFor(line.markedSpans, this$1);
+ if (span.from != null) {
+ from = Pos(lineObj ? line : lineNo(line), span.from);
+ if (side == -1) { return from }
+ }
+ if (span.to != null) {
+ to = Pos(lineObj ? line : lineNo(line), span.to);
+ if (side == 1) { return to }
+ }
+ }
+ return from && {from: from, to: to}
+ };
-// Compute the character position closest to the given coordinates.
-// Input must be lineSpace-local ("div" coordinate system).
-function coordsChar(cm, x, y) {
- var doc = cm.doc;
- y += cm.display.viewOffset;
- if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }
- var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;
- if (lineN > last)
- { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }
- if (x < 0) { x = 0; }
-
- var lineObj = getLine(doc, lineN);
- for (;;) {
- var found = coordsCharInner(cm, lineObj, lineN, x, y);
- var merged = collapsedSpanAtEnd(lineObj);
- var mergedPos = merged && merged.find(0, true);
- if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))
- { lineN = lineNo(lineObj = mergedPos.to.line); }
- else
- { return found }
- }
-}
+ // Signals that the marker's widget changed, and surrounding layout
+ // should be recomputed.
+ TextMarker.prototype.changed = function () {
+ var this$1 = this;
-function wrappedLineExtent(cm, lineObj, preparedMeasure, y) {
- y -= widgetTopHeight(lineObj);
- var end = lineObj.text.length;
- var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);
- end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);
- return {begin: begin, end: end}
-}
+ var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
+ if (!pos || !cm) { return }
+ runInOp(cm, function () {
+ var line = pos.line, lineN = lineNo(pos.line);
+ var view = findViewForLine(cm, lineN);
+ if (view) {
+ clearLineMeasurementCacheFor(view);
+ cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
+ }
+ cm.curOp.updateMaxLine = true;
+ if (!lineIsHidden(widget.doc, line) && widget.height != null) {
+ var oldHeight = widget.height;
+ widget.height = null;
+ var dHeight = widgetHeight(widget) - oldHeight;
+ if (dHeight)
+ { updateLineHeight(line, line.height + dHeight); }
+ }
+ signalLater(cm, "markerChanged", cm, this$1);
+ });
+ };
-function wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {
- if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }
- var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;
- return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)
-}
+ TextMarker.prototype.attachLine = function (line) {
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp;
+ if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
+ { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
+ }
+ this.lines.push(line);
+ };
+
+ TextMarker.prototype.detachLine = function (line) {
+ this.lines.splice(indexOf(this.lines, line), 1);
+ if (!this.lines.length && this.doc.cm) {
+ var op = this.doc.cm.curOp
+ ;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
+ }
+ };
+ eventMixin(TextMarker);
+
+ // Create a marker, wire it up to the right lines, and
+ function markText(doc, from, to, options, type) {
+ // Shared markers (across linked documents) are handled separately
+ // (markTextShared will call out to this again, once per
+ // document).
+ if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
+ // Ensure we are in an operation.
+ if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
+
+ var marker = new TextMarker(doc, type), diff = cmp(from, to);
+ if (options) { copyObj(options, marker, false); }
+ // Don't connect empty markers unless clearWhenEmpty is false
+ if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
+ { return marker }
+ if (marker.replacedWith) {
+ // Showing up as a widget implies collapsed (widget replaces text)
+ marker.collapsed = true;
+ marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
+ if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
+ if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
+ }
+ if (marker.collapsed) {
+ if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
+ from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
+ { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
+ seeCollapsedSpans();
+ }
+
+ if (marker.addToHistory)
+ { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }
+
+ var curLine = from.line, cm = doc.cm, updateMaxLine;
+ doc.iter(curLine, to.line + 1, function (line) {
+ if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
+ { updateMaxLine = true; }
+ if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
+ addMarkedSpan(line, new MarkedSpan(marker,
+ curLine == from.line ? from.ch : null,
+ curLine == to.line ? to.ch : null));
+ ++curLine;
+ });
+ // lineIsHidden depends on the presence of the spans, so needs a second pass
+ if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
+ if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
+ }); }
+
+ if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }
+
+ if (marker.readOnly) {
+ seeReadOnlySpans();
+ if (doc.history.done.length || doc.history.undone.length)
+ { doc.clearHistory(); }
+ }
+ if (marker.collapsed) {
+ marker.id = ++nextMarkerId;
+ marker.atomic = true;
+ }
+ if (cm) {
+ // Sync editor state
+ if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
+ if (marker.collapsed)
+ { regChange(cm, from.line, to.line + 1); }
+ else if (marker.className || marker.startStyle || marker.endStyle || marker.css ||
+ marker.attributes || marker.title)
+ { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
+ if (marker.atomic) { reCheckSelection(cm.doc); }
+ signalLater(cm, "markerAdded", cm, marker);
+ }
+ return marker
+ }
+
+ // SHARED TEXTMARKERS
+
+ // A shared marker spans multiple linked documents. It is
+ // implemented as a meta-marker-object controlling multiple normal
+ // markers.
+ var SharedTextMarker = function(markers, primary) {
+ var this$1 = this;
-// Returns true if the given side of a box is after the given
-// coordinates, in top-to-bottom, left-to-right order.
-function boxIsAfter(box, x, y, left) {
- return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x
-}
+ this.markers = markers;
+ this.primary = primary;
+ for (var i = 0; i < markers.length; ++i)
+ { markers[i].parent = this$1; }
+ };
-function coordsCharInner(cm, lineObj, lineNo$$1, x, y) {
- // Move y into line-local coordinate space
- y -= heightAtLine(lineObj);
- var preparedMeasure = prepareMeasureForLine(cm, lineObj);
- // When directly calling `measureCharPrepared`, we have to adjust
- // for the widgets at this line.
- var widgetHeight$$1 = widgetTopHeight(lineObj);
- var begin = 0, end = lineObj.text.length, ltr = true;
-
- var order = getOrder(lineObj, cm.doc.direction);
- // If the line isn't plain left-to-right text, first figure out
- // which bidi section the coordinates fall into.
- if (order) {
- var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)
- (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);
- ltr = part.level != 1;
- // The awkward -1 offsets are needed because findFirst (called
- // on these below) will treat its first bound as inclusive,
- // second as exclusive, but we want to actually address the
- // characters in the part's range
- begin = ltr ? part.from : part.to - 1;
- end = ltr ? part.to : part.from - 1;
- }
-
- // A binary search to find the first character whose bounding box
- // starts after the coordinates. If we run across any whose box wrap
- // the coordinates, store that.
- var chAround = null, boxAround = null;
- var ch = findFirst(function (ch) {
- var box = measureCharPrepared(cm, preparedMeasure, ch);
- box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;
- if (!boxIsAfter(box, x, y, false)) { return false }
- if (box.top <= y && box.left <= x) {
- chAround = ch;
- boxAround = box;
- }
- return true
- }, begin, end);
-
- var baseX, sticky, outside = false;
- // If a box around the coordinates was found, use that
- if (boxAround) {
- // Distinguish coordinates nearer to the left or right side of the box
- var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;
- ch = chAround + (atStart ? 0 : 1);
- sticky = atStart ? "after" : "before";
- baseX = atLeft ? boxAround.left : boxAround.right;
- } else {
- // (Adjust for extended bound, if necessary.)
- if (!ltr && (ch == end || ch == begin)) { ch++; }
- // To determine which side to associate with, get the box to the
- // left of the character and compare it's vertical position to the
- // coordinates
- sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :
- (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?
- "after" : "before";
- // Now get accurate coordinates for this place, in order to get a
- // base X position
- var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);
- baseX = coords.left;
- outside = y < coords.top || y >= coords.bottom;
- }
-
- ch = skipExtendingChars(lineObj.text, ch, 1);
- return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)
-}
+ SharedTextMarker.prototype.clear = function () {
+ var this$1 = this;
-function coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {
- // Bidi parts are sorted left-to-right, and in a non-line-wrapping
- // situation, we can take this ordering to correspond to the visual
- // ordering. This finds the first part whose end is after the given
- // coordinates.
- var index = findFirst(function (i) {
- var part = order[i], ltr = part.level != 1;
- return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),
- "line", lineObj, preparedMeasure), x, y, true)
- }, 0, order.length - 1);
- var part = order[index];
- // If this isn't the first part, the part's start is also after
- // the coordinates, and the coordinates aren't on the same line as
- // that start, move one part back.
- if (index > 0) {
- var ltr = part.level != 1;
- var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),
- "line", lineObj, preparedMeasure);
- if (boxIsAfter(start, x, y, true) && start.top > y)
- { part = order[index - 1]; }
- }
- return part
-}
+ if (this.explicitlyCleared) { return }
+ this.explicitlyCleared = true;
+ for (var i = 0; i < this.markers.length; ++i)
+ { this$1.markers[i].clear(); }
+ signalLater(this, "clear");
+ };
+
+ SharedTextMarker.prototype.find = function (side, lineObj) {
+ return this.primary.find(side, lineObj)
+ };
+ eventMixin(SharedTextMarker);
+
+ function markTextShared(doc, from, to, options, type) {
+ options = copyObj(options);
+ options.shared = false;
+ var markers = [markText(doc, from, to, options, type)], primary = markers[0];
+ var widget = options.widgetNode;
+ linkedDocs(doc, function (doc) {
+ if (widget) { options.widgetNode = widget.cloneNode(true); }
+ markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
+ for (var i = 0; i < doc.linked.length; ++i)
+ { if (doc.linked[i].isParent) { return } }
+ primary = lst(markers);
+ });
+ return new SharedTextMarker(markers, primary)
+ }
-function coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {
- // In a wrapped line, rtl text on wrapping boundaries can do things
- // that don't correspond to the ordering in our `order` array at
- // all, so a binary search doesn't work, and we want to return a
- // part that only spans one line so that the binary search in
- // coordsCharInner is safe. As such, we first find the extent of the
- // wrapped line, and then do a flat search in which we discard any
- // spans that aren't on the line.
- var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);
- var begin = ref.begin;
- var end = ref.end;
- if (/\s/.test(lineObj.text.charAt(end - 1))) { end--; }
- var part = null, closestDist = null;
- for (var i = 0; i < order.length; i++) {
- var p = order[i];
- if (p.from >= end || p.to <= begin) { continue }
- var ltr = p.level != 1;
- var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;
- // Weigh against spans ending before this, so that they are only
- // picked if nothing ends after
- var dist = endX < x ? x - endX + 1e9 : endX - x;
- if (!part || closestDist > dist) {
- part = p;
- closestDist = dist;
- }
- }
- if (!part) { part = order[order.length - 1]; }
- // Clip the part to the wrapped line.
- if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }
- if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }
- return part
-}
+ function findSharedMarkers(doc) {
+ return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
+ }
-var measureText;
-// Compute the default text height.
-function textHeight(display) {
- if (display.cachedTextHeight != null) { return display.cachedTextHeight }
- if (measureText == null) {
- measureText = elt("pre");
- // Measure a bunch of lines, for browsers that compute
- // fractional heights.
- for (var i = 0; i < 49; ++i) {
- measureText.appendChild(document.createTextNode("x"));
- measureText.appendChild(elt("br"));
+ function copySharedMarkers(doc, markers) {
+ for (var i = 0; i < markers.length; i++) {
+ var marker = markers[i], pos = marker.find();
+ var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
+ if (cmp(mFrom, mTo)) {
+ var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
+ marker.markers.push(subMark);
+ subMark.parent = marker;
+ }
}
- measureText.appendChild(document.createTextNode("x"));
}
- removeChildrenAndAdd(display.measure, measureText);
- var height = measureText.offsetHeight / 50;
- if (height > 3) { display.cachedTextHeight = height; }
- removeChildren(display.measure);
- return height || 1
-}
-
-// Compute the default character width.
-function charWidth(display) {
- if (display.cachedCharWidth != null) { return display.cachedCharWidth }
- var anchor = elt("span", "xxxxxxxxxx");
- var pre = elt("pre", [anchor]);
- removeChildrenAndAdd(display.measure, pre);
- var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;
- if (width > 2) { display.cachedCharWidth = width; }
- return width || 10
-}
-
-// Do a bulk-read of the DOM positions and sizes needed to draw the
-// view, so that we don't interleave reading and writing to the DOM.
-function getDimensions(cm) {
- var d = cm.display, left = {}, width = {};
- var gutterLeft = d.gutters.clientLeft;
- for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {
- left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;
- width[cm.options.gutters[i]] = n.clientWidth;
- }
- return {fixedPos: compensateForHScroll(d),
- gutterTotalWidth: d.gutters.offsetWidth,
- gutterLeft: left,
- gutterWidth: width,
- wrapperWidth: d.wrapper.clientWidth}
-}
-
-// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,
-// but using getBoundingClientRect to get a sub-pixel-accurate
-// result.
-function compensateForHScroll(display) {
- return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left
-}
-
-// Returns a function that estimates the height of a line, to use as
-// first approximation until the line becomes visible (and is thus
-// properly measurable).
-function estimateHeight(cm) {
- var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;
- var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);
- return function (line) {
- if (lineIsHidden(cm.doc, line)) { return 0 }
-
- var widgetsHeight = 0;
- if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {
- if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }
- } }
- if (wrapping)
- { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }
- else
- { return widgetsHeight + th }
- }
-}
+ function detachSharedMarkers(markers) {
+ var loop = function ( i ) {
+ var marker = markers[i], linked = [marker.primary.doc];
+ linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
+ for (var j = 0; j < marker.markers.length; j++) {
+ var subMarker = marker.markers[j];
+ if (indexOf(linked, subMarker.doc) == -1) {
+ subMarker.parent = null;
+ marker.markers.splice(j--, 1);
+ }
+ }
+ };
-function estimateLineHeights(cm) {
- var doc = cm.doc, est = estimateHeight(cm);
- doc.iter(function (line) {
- var estHeight = est(line);
- if (estHeight != line.height) { updateLineHeight(line, estHeight); }
- });
-}
+ for (var i = 0; i < markers.length; i++) loop( i );
+ }
+
+ var nextDocId = 0;
+ var Doc = function(text, mode, firstLine, lineSep, direction) {
+ if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
+ if (firstLine == null) { firstLine = 0; }
+
+ BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
+ this.first = firstLine;
+ this.scrollTop = this.scrollLeft = 0;
+ this.cantEdit = false;
+ this.cleanGeneration = 1;
+ this.modeFrontier = this.highlightFrontier = firstLine;
+ var start = Pos(firstLine, 0);
+ this.sel = simpleSelection(start);
+ this.history = new History(null);
+ this.id = ++nextDocId;
+ this.modeOption = mode;
+ this.lineSep = lineSep;
+ this.direction = (direction == "rtl") ? "rtl" : "ltr";
+ this.extend = false;
+
+ if (typeof text == "string") { text = this.splitLines(text); }
+ updateDoc(this, {from: start, to: start, text: text});
+ setSelection(this, simpleSelection(start), sel_dontScroll);
+ };
+
+ Doc.prototype = createObj(BranchChunk.prototype, {
+ constructor: Doc,
+ // Iterate over the document. Supports two forms -- with only one
+ // argument, it calls that for each line in the document. With
+ // three, it iterates over the range given by the first two (with
+ // the second being non-inclusive).
+ iter: function(from, to, op) {
+ if (op) { this.iterN(from - this.first, to - from, op); }
+ else { this.iterN(this.first, this.first + this.size, from); }
+ },
+
+ // Non-public interface for adding and removing lines.
+ insert: function(at, lines) {
+ var height = 0;
+ for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
+ this.insertInner(at - this.first, lines, height);
+ },
+ remove: function(at, n) { this.removeInner(at - this.first, n); },
+
+ // From here, the methods are part of the public interface. Most
+ // are also available from CodeMirror (editor) instances.
+
+ getValue: function(lineSep) {
+ var lines = getLines(this, this.first, this.first + this.size);
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
+ setValue: docMethodOp(function(code) {
+ var top = Pos(this.first, 0), last = this.first + this.size - 1;
+ makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
+ text: this.splitLines(code), origin: "setValue", full: true}, true);
+ if (this.cm) { scrollToCoords(this.cm, 0, 0); }
+ setSelection(this, simpleSelection(top), sel_dontScroll);
+ }),
+ replaceRange: function(code, from, to, origin) {
+ from = clipPos(this, from);
+ to = to ? clipPos(this, to) : from;
+ replaceRange(this, code, from, to, origin);
+ },
+ getRange: function(from, to, lineSep) {
+ var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
+ if (lineSep === false) { return lines }
+ return lines.join(lineSep || this.lineSeparator())
+ },
-// Given a mouse event, find the corresponding position. If liberal
-// is false, it checks whether a gutter or scrollbar was clicked,
-// and returns null if it was. forRect is used by rectangular
-// selections, and tries to estimate a character position even for
-// coordinates beyond the right of the text.
-function posFromMouse(cm, e, liberal, forRect) {
- var display = cm.display;
- if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }
-
- var x, y, space = display.lineSpace.getBoundingClientRect();
- // Fails unpredictably on IE[67] when mouse is dragged around quickly.
- try { x = e.clientX - space.left; y = e.clientY - space.top; }
- catch (e) { return null }
- var coords = coordsChar(cm, x, y), line;
- if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {
- var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;
- coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));
- }
- return coords
-}
+ getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
-// Find the view element corresponding to a given line. Return null
-// when the line isn't visible.
-function findViewIndex(cm, n) {
- if (n >= cm.display.viewTo) { return null }
- n -= cm.display.viewFrom;
- if (n < 0) { return null }
- var view = cm.display.view;
- for (var i = 0; i < view.length; i++) {
- n -= view[i].size;
- if (n < 0) { return i }
- }
-}
+ getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
+ getLineNumber: function(line) {return lineNo(line)},
-function updateSelection(cm) {
- cm.display.input.showSelection(cm.display.input.prepareSelection());
-}
+ getLineHandleVisualStart: function(line) {
+ if (typeof line == "number") { line = getLine(this, line); }
+ return visualLine(line)
+ },
-function prepareSelection(cm, primary) {
- if ( primary === void 0 ) primary = true;
+ lineCount: function() {return this.size},
+ firstLine: function() {return this.first},
+ lastLine: function() {return this.first + this.size - 1},
- var doc = cm.doc, result = {};
- var curFragment = result.cursors = document.createDocumentFragment();
- var selFragment = result.selection = document.createDocumentFragment();
+ clipPos: function(pos) {return clipPos(this, pos)},
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- if (!primary && i == doc.sel.primIndex) { continue }
- var range$$1 = doc.sel.ranges[i];
- if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }
- var collapsed = range$$1.empty();
- if (collapsed || cm.options.showCursorWhenSelecting)
- { drawSelectionCursor(cm, range$$1.head, curFragment); }
- if (!collapsed)
- { drawSelectionRange(cm, range$$1, selFragment); }
- }
- return result
-}
+ getCursor: function(start) {
+ var range$$1 = this.sel.primary(), pos;
+ if (start == null || start == "head") { pos = range$$1.head; }
+ else if (start == "anchor") { pos = range$$1.anchor; }
+ else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }
+ else { pos = range$$1.from(); }
+ return pos
+ },
+ listSelections: function() { return this.sel.ranges },
+ somethingSelected: function() {return this.sel.somethingSelected()},
-// Draws a cursor for the given range
-function drawSelectionCursor(cm, head, output) {
- var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);
+ setCursor: docMethodOp(function(line, ch, options) {
+ setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
+ }),
+ setSelection: docMethodOp(function(anchor, head, options) {
+ setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
+ }),
+ extendSelection: docMethodOp(function(head, other, options) {
+ extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
+ }),
+ extendSelections: docMethodOp(function(heads, options) {
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ extendSelectionsBy: docMethodOp(function(f, options) {
+ var heads = map(this.sel.ranges, f);
+ extendSelections(this, clipPosArray(this, heads), options);
+ }),
+ setSelections: docMethodOp(function(ranges, primary, options) {
+ var this$1 = this;
- var cursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor"));
- cursor.style.left = pos.left + "px";
- cursor.style.top = pos.top + "px";
- cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";
+ if (!ranges.length) { return }
+ var out = [];
+ for (var i = 0; i < ranges.length; i++)
+ { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
+ clipPos(this$1, ranges[i].head)); }
+ if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
+ setSelection(this, normalizeSelection(this.cm, out, primary), options);
+ }),
+ addSelection: docMethodOp(function(anchor, head, options) {
+ var ranges = this.sel.ranges.slice(0);
+ ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
+ setSelection(this, normalizeSelection(this.cm, ranges, ranges.length - 1), options);
+ }),
- if (pos.other) {
- // Secondary cursor, shown when on a 'jump' in bi-directional text
- var otherCursor = output.appendChild(elt("div", "\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));
- otherCursor.style.display = "";
- otherCursor.style.left = pos.other.left + "px";
- otherCursor.style.top = pos.other.top + "px";
- otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";
- }
-}
+ getSelection: function(lineSep) {
+ var this$1 = this;
-function cmpCoords(a, b) { return a.top - b.top || a.left - b.left }
-
-// Draws the given range as a highlighted selection
-function drawSelectionRange(cm, range$$1, output) {
- var display = cm.display, doc = cm.doc;
- var fragment = document.createDocumentFragment();
- var padding = paddingH(cm.display), leftSide = padding.left;
- var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;
- var docLTR = doc.direction == "ltr";
-
- function add(left, top, width, bottom) {
- if (top < 0) { top = 0; }
- top = Math.round(top);
- bottom = Math.round(bottom);
- fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\n height: " + (bottom - top) + "px")));
- }
-
- function drawForLine(line, fromArg, toArg) {
- var lineObj = getLine(doc, line);
- var lineLen = lineObj.text.length;
- var start, end;
- function coords(ch, bias) {
- return charCoords(cm, Pos(line, ch), "div", lineObj, bias)
- }
-
- function wrapX(pos, dir, side) {
- var extent = wrappedLineExtentChar(cm, lineObj, null, pos);
- var prop = (dir == "ltr") == (side == "after") ? "left" : "right";
- var ch = side == "after" ? extent.begin : extent.end - (/\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);
- return coords(ch, prop)[prop]
- }
-
- var order = getOrder(lineObj, doc.direction);
- iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {
- var ltr = dir == "ltr";
- var fromPos = coords(from, ltr ? "left" : "right");
- var toPos = coords(to - 1, ltr ? "right" : "left");
-
- var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;
- var first = i == 0, last = !order || i == order.length - 1;
- if (toPos.top - fromPos.top <= 3) { // Single line
- var openLeft = (docLTR ? openStart : openEnd) && first;
- var openRight = (docLTR ? openEnd : openStart) && last;
- var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;
- var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;
- add(left, fromPos.top, right - left, fromPos.bottom);
- } else { // Multiple lines
- var topLeft, topRight, botLeft, botRight;
- if (ltr) {
- topLeft = docLTR && openStart && first ? leftSide : fromPos.left;
- topRight = docLTR ? rightSide : wrapX(from, dir, "before");
- botLeft = docLTR ? leftSide : wrapX(to, dir, "after");
- botRight = docLTR && openEnd && last ? rightSide : toPos.right;
- } else {
- topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");
- topRight = !docLTR && openStart && first ? rightSide : fromPos.right;
- botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;
- botRight = !docLTR ? rightSide : wrapX(to, dir, "after");
- }
- add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);
- if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }
- add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);
+ var ranges = this.sel.ranges, lines;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ lines = lines ? lines.concat(sel) : sel;
}
+ if (lineSep === false) { return lines }
+ else { return lines.join(lineSep || this.lineSeparator()) }
+ },
+ getSelections: function(lineSep) {
+ var this$1 = this;
- if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }
- if (cmpCoords(toPos, start) < 0) { start = toPos; }
- if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }
- if (cmpCoords(toPos, end) < 0) { end = toPos; }
- });
- return {start: start, end: end}
- }
+ var parts = [], ranges = this.sel.ranges;
+ for (var i = 0; i < ranges.length; i++) {
+ var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
+ if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }
+ parts[i] = sel;
+ }
+ return parts
+ },
+ replaceSelection: function(code, collapse, origin) {
+ var dup = [];
+ for (var i = 0; i < this.sel.ranges.length; i++)
+ { dup[i] = code; }
+ this.replaceSelections(dup, collapse, origin || "+input");
+ },
+ replaceSelections: docMethodOp(function(code, collapse, origin) {
+ var this$1 = this;
- var sFrom = range$$1.from(), sTo = range$$1.to();
- if (sFrom.line == sTo.line) {
- drawForLine(sFrom.line, sFrom.ch, sTo.ch);
- } else {
- var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);
- var singleVLine = visualLine(fromLine) == visualLine(toLine);
- var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;
- var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;
- if (singleVLine) {
- if (leftEnd.top < rightStart.top - 2) {
- add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);
- add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);
- } else {
- add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);
+ var changes = [], sel = this.sel;
+ for (var i = 0; i < sel.ranges.length; i++) {
+ var range$$1 = sel.ranges[i];
+ changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};
}
- }
- if (leftEnd.bottom < rightStart.top)
- { add(leftSide, leftEnd.bottom, null, rightStart.top); }
- }
+ var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
+ for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
+ { makeChange(this$1, changes[i$1]); }
+ if (newSel) { setSelectionReplaceHistory(this, newSel); }
+ else if (this.cm) { ensureCursorVisible(this.cm); }
+ }),
+ undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
+ redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
+ undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
+ redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
- output.appendChild(fragment);
-}
+ setExtending: function(val) {this.extend = val;},
+ getExtending: function() {return this.extend},
-// Cursor-blinking
-function restartBlink(cm) {
- if (!cm.state.focused) { return }
- var display = cm.display;
- clearInterval(display.blinker);
- var on = true;
- display.cursorDiv.style.visibility = "";
- if (cm.options.cursorBlinkRate > 0)
- { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },
- cm.options.cursorBlinkRate); }
- else if (cm.options.cursorBlinkRate < 0)
- { display.cursorDiv.style.visibility = "hidden"; }
-}
+ historySize: function() {
+ var hist = this.history, done = 0, undone = 0;
+ for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
+ for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
+ return {undo: done, redo: undone}
+ },
+ clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-function ensureFocus(cm) {
- if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }
-}
+ markClean: function() {
+ this.cleanGeneration = this.changeGeneration(true);
+ },
+ changeGeneration: function(forceSplit) {
+ if (forceSplit)
+ { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
+ return this.history.generation
+ },
+ isClean: function (gen) {
+ return this.history.generation == (gen || this.cleanGeneration)
+ },
-function delayBlurEvent(cm) {
- cm.state.delayingBlurEvent = true;
- setTimeout(function () { if (cm.state.delayingBlurEvent) {
- cm.state.delayingBlurEvent = false;
- onBlur(cm);
- } }, 100);
-}
+ getHistory: function() {
+ return {done: copyHistoryArray(this.history.done),
+ undone: copyHistoryArray(this.history.undone)}
+ },
+ setHistory: function(histData) {
+ var hist = this.history = new History(this.history.maxGeneration);
+ hist.done = copyHistoryArray(histData.done.slice(0), null, true);
+ hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
+ },
-function onFocus(cm, e) {
- if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }
-
- if (cm.options.readOnly == "nocursor") { return }
- if (!cm.state.focused) {
- signal(cm, "focus", cm, e);
- cm.state.focused = true;
- addClass(cm.display.wrapper, "CodeMirror-focused");
- // This test prevents this from firing when a context
- // menu is closed (since the input reset would kill the
- // select-all detection hack)
- if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {
- cm.display.input.reset();
- if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730
- }
- cm.display.input.receivedFocus();
- }
- restartBlink(cm);
-}
-function onBlur(cm, e) {
- if (cm.state.delayingBlurEvent) { return }
-
- if (cm.state.focused) {
- signal(cm, "blur", cm, e);
- cm.state.focused = false;
- rmClass(cm.display.wrapper, "CodeMirror-focused");
- }
- clearInterval(cm.display.blinker);
- setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);
-}
+ setGutterMarker: docMethodOp(function(line, gutterID, value) {
+ return changeLine(this, line, "gutter", function (line) {
+ var markers = line.gutterMarkers || (line.gutterMarkers = {});
+ markers[gutterID] = value;
+ if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
+ return true
+ })
+ }),
-// Read the actual heights of the rendered lines, and update their
-// stored heights to match.
-function updateHeightsInViewport(cm) {
- var display = cm.display;
- var prevBottom = display.lineDiv.offsetTop;
- for (var i = 0; i < display.view.length; i++) {
- var cur = display.view[i], height = (void 0);
- if (cur.hidden) { continue }
- if (ie && ie_version < 8) {
- var bot = cur.node.offsetTop + cur.node.offsetHeight;
- height = bot - prevBottom;
- prevBottom = bot;
- } else {
- var box = cur.node.getBoundingClientRect();
- height = box.bottom - box.top;
- }
- var diff = cur.line.height - height;
- if (height < 2) { height = textHeight(display); }
- if (diff > .005 || diff < -.005) {
- updateLineHeight(cur.line, height);
- updateWidgetHeight(cur.line);
- if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)
- { updateWidgetHeight(cur.rest[j]); } }
- }
- }
-}
+ clearGutter: docMethodOp(function(gutterID) {
+ var this$1 = this;
-// Read and store the height of line widgets associated with the
-// given line.
-function updateWidgetHeight(line) {
- if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i)
- { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } }
-}
+ this.iter(function (line) {
+ if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
+ changeLine(this$1, line, "gutter", function () {
+ line.gutterMarkers[gutterID] = null;
+ if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
+ return true
+ });
+ }
+ });
+ }),
-// Compute the lines that are visible in a given viewport (defaults
-// the the current scroll position). viewport may contain top,
-// height, and ensure (see op.scrollToPos) properties.
-function visibleLines(display, doc, viewport) {
- var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;
- top = Math.floor(top - paddingTop(display));
- var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;
-
- var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);
- // Ensure is a {from: {line, ch}, to: {line, ch}} object, and
- // forces those lines into the viewport (if possible).
- if (viewport && viewport.ensure) {
- var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;
- if (ensureFrom < from) {
- from = ensureFrom;
- to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);
- } else if (Math.min(ensureTo, doc.lastLine()) >= to) {
- from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);
- to = ensureTo;
- }
- }
- return {from: from, to: Math.max(to, from + 1)}
-}
+ lineInfo: function(line) {
+ var n;
+ if (typeof line == "number") {
+ if (!isLine(this, line)) { return null }
+ n = line;
+ line = getLine(this, line);
+ if (!line) { return null }
+ } else {
+ n = lineNo(line);
+ if (n == null) { return null }
+ }
+ return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
+ textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
+ widgets: line.widgets}
+ },
+
+ addLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ if (!line[prop]) { line[prop] = cls; }
+ else if (classTest(cls).test(line[prop])) { return false }
+ else { line[prop] += " " + cls; }
+ return true
+ })
+ }),
+ removeLineClass: docMethodOp(function(handle, where, cls) {
+ return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
+ var prop = where == "text" ? "textClass"
+ : where == "background" ? "bgClass"
+ : where == "gutter" ? "gutterClass" : "wrapClass";
+ var cur = line[prop];
+ if (!cur) { return false }
+ else if (cls == null) { line[prop] = null; }
+ else {
+ var found = cur.match(classTest(cls));
+ if (!found) { return false }
+ var end = found.index + found[0].length;
+ line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
+ }
+ return true
+ })
+ }),
-// Re-align line numbers and gutter marks to compensate for
-// horizontal scrolling.
-function alignHorizontally(cm) {
- var display = cm.display, view = display.view;
- if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }
- var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;
- var gutterW = display.gutters.offsetWidth, left = comp + "px";
- for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {
- if (cm.options.fixedGutter) {
- if (view[i].gutter)
- { view[i].gutter.style.left = left; }
- if (view[i].gutterBackground)
- { view[i].gutterBackground.style.left = left; }
- }
- var align = view[i].alignable;
- if (align) { for (var j = 0; j < align.length; j++)
- { align[j].style.left = left; } }
- } }
- if (cm.options.fixedGutter)
- { display.gutters.style.left = (comp + gutterW) + "px"; }
-}
+ addLineWidget: docMethodOp(function(handle, node, options) {
+ return addLineWidget(this, handle, node, options)
+ }),
+ removeLineWidget: function(widget) { widget.clear(); },
+
+ markText: function(from, to, options) {
+ return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
+ },
+ setBookmark: function(pos, options) {
+ var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
+ insertLeft: options && options.insertLeft,
+ clearWhenEmpty: false, shared: options && options.shared,
+ handleMouseEvents: options && options.handleMouseEvents};
+ pos = clipPos(this, pos);
+ return markText(this, pos, pos, realOpts, "bookmark")
+ },
+ findMarksAt: function(pos) {
+ pos = clipPos(this, pos);
+ var markers = [], spans = getLine(this, pos.line).markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; ++i) {
+ var span = spans[i];
+ if ((span.from == null || span.from <= pos.ch) &&
+ (span.to == null || span.to >= pos.ch))
+ { markers.push(span.marker.parent || span.marker); }
+ } }
+ return markers
+ },
+ findMarks: function(from, to, filter) {
+ from = clipPos(this, from); to = clipPos(this, to);
+ var found = [], lineNo$$1 = from.line;
+ this.iter(from.line, to.line + 1, function (line) {
+ var spans = line.markedSpans;
+ if (spans) { for (var i = 0; i < spans.length; i++) {
+ var span = spans[i];
+ if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||
+ span.from == null && lineNo$$1 != from.line ||
+ span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&
+ (!filter || filter(span.marker)))
+ { found.push(span.marker.parent || span.marker); }
+ } }
+ ++lineNo$$1;
+ });
+ return found
+ },
+ getAllMarks: function() {
+ var markers = [];
+ this.iter(function (line) {
+ var sps = line.markedSpans;
+ if (sps) { for (var i = 0; i < sps.length; ++i)
+ { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
+ });
+ return markers
+ },
-// Used to ensure that the line number gutter is still the right
-// size for the current document size. Returns true when an update
-// is needed.
-function maybeUpdateLineNumberWidth(cm) {
- if (!cm.options.lineNumbers) { return false }
- var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;
- if (last.length != display.lineNumChars) {
- var test = display.measure.appendChild(elt("div", [elt("div", last)],
- "CodeMirror-linenumber CodeMirror-gutter-elt"));
- var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;
- display.lineGutter.style.width = "";
- display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;
- display.lineNumWidth = display.lineNumInnerWidth + padding;
- display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;
- display.lineGutter.style.width = display.lineNumWidth + "px";
- updateGutterSpace(cm);
- return true
- }
- return false
-}
+ posFromIndex: function(off) {
+ var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;
+ this.iter(function (line) {
+ var sz = line.text.length + sepSize;
+ if (sz > off) { ch = off; return true }
+ off -= sz;
+ ++lineNo$$1;
+ });
+ return clipPos(this, Pos(lineNo$$1, ch))
+ },
+ indexFromPos: function (coords) {
+ coords = clipPos(this, coords);
+ var index = coords.ch;
+ if (coords.line < this.first || coords.ch < 0) { return 0 }
+ var sepSize = this.lineSeparator().length;
+ this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
+ index += line.text.length + sepSize;
+ });
+ return index
+ },
+
+ copy: function(copyHistory) {
+ var doc = new Doc(getLines(this, this.first, this.first + this.size),
+ this.modeOption, this.first, this.lineSep, this.direction);
+ doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
+ doc.sel = this.sel;
+ doc.extend = false;
+ if (copyHistory) {
+ doc.history.undoDepth = this.history.undoDepth;
+ doc.setHistory(this.getHistory());
+ }
+ return doc
+ },
+
+ linkedDoc: function(options) {
+ if (!options) { options = {}; }
+ var from = this.first, to = this.first + this.size;
+ if (options.from != null && options.from > from) { from = options.from; }
+ if (options.to != null && options.to < to) { to = options.to; }
+ var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
+ if (options.sharedHist) { copy.history = this.history
+ ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
+ copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
+ copySharedMarkers(copy, findSharedMarkers(this));
+ return copy
+ },
+ unlinkDoc: function(other) {
+ var this$1 = this;
-// SCROLLING THINGS INTO VIEW
+ if (other instanceof CodeMirror) { other = other.doc; }
+ if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
+ var link = this$1.linked[i];
+ if (link.doc != other) { continue }
+ this$1.linked.splice(i, 1);
+ other.unlinkDoc(this$1);
+ detachSharedMarkers(findSharedMarkers(this$1));
+ break
+ } }
+ // If the histories were shared, split them again
+ if (other.history == this.history) {
+ var splitIds = [other.id];
+ linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
+ other.history = new History(null);
+ other.history.done = copyHistoryArray(this.history.done, splitIds);
+ other.history.undone = copyHistoryArray(this.history.undone, splitIds);
+ }
+ },
+ iterLinkedDocs: function(f) {linkedDocs(this, f);},
-// If an editor sits on the top or bottom of the window, partially
-// scrolled out of view, this ensures that the cursor is visible.
-function maybeScrollWindow(cm, rect) {
- if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }
+ getMode: function() {return this.mode},
+ getEditor: function() {return this.cm},
- var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;
- if (rect.top + box.top < 0) { doScroll = true; }
- else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }
- if (doScroll != null && !phantom) {
- var scrollNode = elt("div", "\u200b", null, ("position: absolute;\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));
- cm.display.lineSpace.appendChild(scrollNode);
- scrollNode.scrollIntoView(doScroll);
- cm.display.lineSpace.removeChild(scrollNode);
- }
-}
+ splitLines: function(str) {
+ if (this.lineSep) { return str.split(this.lineSep) }
+ return splitLinesAuto(str)
+ },
+ lineSeparator: function() { return this.lineSep || "\n" },
-// Scroll a given position into view (immediately), verifying that
-// it actually became visible (as line heights are accurately
-// measured, the position of something may 'drift' during drawing).
-function scrollPosIntoView(cm, pos, end, margin) {
- if (margin == null) { margin = 0; }
- var rect;
- if (!cm.options.lineWrapping && pos == end) {
- // Set pos and end to the cursor positions around the character pos sticks to
- // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch
- // If pos == Pos(_, 0, "before"), pos and end are unchanged
- pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;
- end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;
- }
- for (var limit = 0; limit < 5; limit++) {
- var changed = false;
- var coords = cursorCoords(cm, pos);
- var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);
- rect = {left: Math.min(coords.left, endCoords.left),
- top: Math.min(coords.top, endCoords.top) - margin,
- right: Math.max(coords.left, endCoords.left),
- bottom: Math.max(coords.bottom, endCoords.bottom) + margin};
- var scrollPos = calculateScrollPos(cm, rect);
- var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;
- if (scrollPos.scrollTop != null) {
- updateScrollTop(cm, scrollPos.scrollTop);
- if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }
- }
- if (scrollPos.scrollLeft != null) {
- setScrollLeft(cm, scrollPos.scrollLeft);
- if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }
- }
- if (!changed) { break }
- }
- return rect
-}
+ setDirection: docMethodOp(function (dir) {
+ if (dir != "rtl") { dir = "ltr"; }
+ if (dir == this.direction) { return }
+ this.direction = dir;
+ this.iter(function (line) { return line.order = null; });
+ if (this.cm) { directionChanged(this.cm); }
+ })
+ });
-// Scroll a given set of coordinates into view (immediately).
-function scrollIntoView(cm, rect) {
- var scrollPos = calculateScrollPos(cm, rect);
- if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }
- if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }
-}
+ // Public alias.
+ Doc.prototype.eachLine = Doc.prototype.iter;
-// Calculate a new scroll position needed to scroll the given
-// rectangle into view. Returns an object with scrollTop and
-// scrollLeft properties. When these are undefined, the
-// vertical/horizontal position does not need to be adjusted.
-function calculateScrollPos(cm, rect) {
- var display = cm.display, snapMargin = textHeight(cm.display);
- if (rect.top < 0) { rect.top = 0; }
- var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;
- var screen = displayHeight(cm), result = {};
- if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }
- var docBottom = cm.doc.height + paddingVert(display);
- var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;
- if (rect.top < screentop) {
- result.scrollTop = atTop ? 0 : rect.top;
- } else if (rect.bottom > screentop + screen) {
- var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);
- if (newTop != screentop) { result.scrollTop = newTop; }
- }
-
- var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;
- var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);
- var tooWide = rect.right - rect.left > screenw;
- if (tooWide) { rect.right = rect.left + screenw; }
- if (rect.left < 10)
- { result.scrollLeft = 0; }
- else if (rect.left < screenleft)
- { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }
- else if (rect.right > screenw + screenleft - 3)
- { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }
- return result
-}
+ // Kludge to work around strange IE behavior where it'll sometimes
+ // re-fire a series of drag-related events right after the drop (#1551)
+ var lastDrop = 0;
-// Store a relative adjustment to the scroll position in the current
-// operation (to be applied when the operation finishes).
-function addToScrollTop(cm, top) {
- if (top == null) { return }
- resolveScrollToPos(cm);
- cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;
-}
+ function onDrop(e) {
+ var cm = this;
+ clearDragCursor(cm);
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
+ { return }
+ e_preventDefault(e);
+ if (ie) { lastDrop = +new Date; }
+ var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
+ if (!pos || cm.isReadOnly()) { return }
+ // Might be a file drop, in which case we simply extract the text
+ // and insert it.
+ if (files && files.length && window.FileReader && window.File) {
+ var n = files.length, text = Array(n), read = 0;
+ var loadFile = function (file, i) {
+ if (cm.options.allowDropFileTypes &&
+ indexOf(cm.options.allowDropFileTypes, file.type) == -1)
+ { return }
+
+ var reader = new FileReader;
+ reader.onload = operation(cm, function () {
+ var content = reader.result;
+ if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; }
+ text[i] = content;
+ if (++read == n) {
+ pos = clipPos(cm.doc, pos);
+ var change = {from: pos, to: pos,
+ text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
+ origin: "paste"};
+ makeChange(cm.doc, change);
+ setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
+ }
+ });
+ reader.readAsText(file);
+ };
+ for (var i = 0; i < n; ++i) { loadFile(files[i], i); }
+ } else { // Normal drop
+ // Don't do a replace if the drop happened inside of the selected text.
+ if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
+ cm.state.draggingText(e);
+ // Ensure the editor is re-focused
+ setTimeout(function () { return cm.display.input.focus(); }, 20);
+ return
+ }
+ try {
+ var text$1 = e.dataTransfer.getData("Text");
+ if (text$1) {
+ var selected;
+ if (cm.state.draggingText && !cm.state.draggingText.copy)
+ { selected = cm.listSelections(); }
+ setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
+ if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
+ { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
+ cm.replaceSelection(text$1, "around", "paste");
+ cm.display.input.focus();
+ }
+ }
+ catch(e){}
+ }
+ }
-// Make sure that at the end of the operation the current cursor is
-// shown.
-function ensureCursorVisible(cm) {
- resolveScrollToPos(cm);
- var cur = cm.getCursor();
- cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};
-}
+ function onDragStart(cm, e) {
+ if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
+ if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
-function scrollToCoords(cm, x, y) {
- if (x != null || y != null) { resolveScrollToPos(cm); }
- if (x != null) { cm.curOp.scrollLeft = x; }
- if (y != null) { cm.curOp.scrollTop = y; }
-}
+ e.dataTransfer.setData("Text", cm.getSelection());
+ e.dataTransfer.effectAllowed = "copyMove";
-function scrollToRange(cm, range$$1) {
- resolveScrollToPos(cm);
- cm.curOp.scrollToPos = range$$1;
-}
+ // Use dummy image instead of default browsers image.
+ // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
+ if (e.dataTransfer.setDragImage && !safari) {
+ var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
+ img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
+ if (presto) {
+ img.width = img.height = 1;
+ cm.display.wrapper.appendChild(img);
+ // Force a relayout, or Opera won't use our image for some obscure reason
+ img._top = img.offsetTop;
+ }
+ e.dataTransfer.setDragImage(img, 0, 0);
+ if (presto) { img.parentNode.removeChild(img); }
+ }
+ }
-// When an operation has its scrollToPos property set, and another
-// scroll action is applied before the end of the operation, this
-// 'simulates' scrolling that position into view in a cheap way, so
-// that the effect of intermediate scroll commands is not ignored.
-function resolveScrollToPos(cm) {
- var range$$1 = cm.curOp.scrollToPos;
- if (range$$1) {
- cm.curOp.scrollToPos = null;
- var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);
- scrollToCoordsRange(cm, from, to, range$$1.margin);
+ function onDragOver(cm, e) {
+ var pos = posFromMouse(cm, e);
+ if (!pos) { return }
+ var frag = document.createDocumentFragment();
+ drawSelectionCursor(cm, pos, frag);
+ if (!cm.display.dragCursor) {
+ cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
+ cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
+ }
+ removeChildrenAndAdd(cm.display.dragCursor, frag);
}
-}
-function scrollToCoordsRange(cm, from, to, margin) {
- var sPos = calculateScrollPos(cm, {
- left: Math.min(from.left, to.left),
- top: Math.min(from.top, to.top) - margin,
- right: Math.max(from.right, to.right),
- bottom: Math.max(from.bottom, to.bottom) + margin
- });
- scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);
-}
+ function clearDragCursor(cm) {
+ if (cm.display.dragCursor) {
+ cm.display.lineSpace.removeChild(cm.display.dragCursor);
+ cm.display.dragCursor = null;
+ }
+ }
-// Sync the scrollable area and scrollbars, ensure the viewport
-// covers the visible area.
-function updateScrollTop(cm, val) {
- if (Math.abs(cm.doc.scrollTop - val) < 2) { return }
- if (!gecko) { updateDisplaySimple(cm, {top: val}); }
- setScrollTop(cm, val, true);
- if (gecko) { updateDisplaySimple(cm); }
- startWorker(cm, 100);
-}
+ // These must be handled carefully, because naively registering a
+ // handler for each editor will cause the editors to never be
+ // garbage collected.
-function setScrollTop(cm, val, forceScroll) {
- val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);
- if (cm.display.scroller.scrollTop == val && !forceScroll) { return }
- cm.doc.scrollTop = val;
- cm.display.scrollbars.setScrollTop(val);
- if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }
-}
+ function forEachCodeMirror(f) {
+ if (!document.getElementsByClassName) { return }
+ var byClass = document.getElementsByClassName("CodeMirror"), editors = [];
+ for (var i = 0; i < byClass.length; i++) {
+ var cm = byClass[i].CodeMirror;
+ if (cm) { editors.push(cm); }
+ }
+ if (editors.length) { editors[0].operation(function () {
+ for (var i = 0; i < editors.length; i++) { f(editors[i]); }
+ }); }
+ }
-// Sync scroller and scrollbar, ensure the gutter elements are
-// aligned.
-function setScrollLeft(cm, val, isScroller, forceScroll) {
- val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);
- if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }
- cm.doc.scrollLeft = val;
- alignHorizontally(cm);
- if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }
- cm.display.scrollbars.setScrollLeft(val);
-}
+ var globalsRegistered = false;
+ function ensureGlobalHandlers() {
+ if (globalsRegistered) { return }
+ registerGlobalHandlers();
+ globalsRegistered = true;
+ }
+ function registerGlobalHandlers() {
+ // When the window resizes, we need to refresh active editors.
+ var resizeTimer;
+ on(window, "resize", function () {
+ if (resizeTimer == null) { resizeTimer = setTimeout(function () {
+ resizeTimer = null;
+ forEachCodeMirror(onResize);
+ }, 100); }
+ });
+ // When the window loses focus, we want to show the editor as blurred
+ on(window, "blur", function () { return forEachCodeMirror(onBlur); });
+ }
+ // Called when the window resizes
+ function onResize(cm) {
+ var d = cm.display;
+ // Might be a text scaling operation, clear size caches.
+ d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
+ d.scrollbarsClipped = false;
+ cm.setSize();
+ }
+
+ var keyNames = {
+ 3: "Pause", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
+ 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
+ 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
+ 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
+ 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 145: "ScrollLock",
+ 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
+ 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
+ 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
+ };
+
+ // Number keys
+ for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
+ // Alphabetic keys
+ for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
+ // Function keys
+ for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }
+
+ var keyMap = {};
+
+ keyMap.basic = {
+ "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
+ "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
+ "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
+ "Tab": "defaultTab", "Shift-Tab": "indentAuto",
+ "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
+ "Esc": "singleSelection"
+ };
+ // Note that the save and find-related commands aren't defined by
+ // default. User code or addons can define them. Unknown commands
+ // are simply ignored.
+ keyMap.pcDefault = {
+ "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
+ "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
+ "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
+ "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
+ "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
+ "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
+ "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
+ "fallthrough": "basic"
+ };
+ // Very basic readline/emacs-style bindings, which are standard on Mac.
+ keyMap.emacsy = {
+ "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
+ "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
+ "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
+ "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
+ "Ctrl-O": "openLine"
+ };
+ keyMap.macDefault = {
+ "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
+ "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
+ "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
+ "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
+ "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
+ "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
+ "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
+ "fallthrough": ["basic", "emacsy"]
+ };
+ keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
+
+ // KEYMAP DISPATCH
+
+ function normalizeKeyName(name) {
+ var parts = name.split(/-(?!$)/);
+ name = parts[parts.length - 1];
+ var alt, ctrl, shift, cmd;
+ for (var i = 0; i < parts.length - 1; i++) {
+ var mod = parts[i];
+ if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
+ else if (/^a(lt)?$/i.test(mod)) { alt = true; }
+ else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
+ else if (/^s(hift)?$/i.test(mod)) { shift = true; }
+ else { throw new Error("Unrecognized modifier name: " + mod) }
+ }
+ if (alt) { name = "Alt-" + name; }
+ if (ctrl) { name = "Ctrl-" + name; }
+ if (cmd) { name = "Cmd-" + name; }
+ if (shift) { name = "Shift-" + name; }
+ return name
+ }
+
+ // This is a kludge to keep keymaps mostly working as raw objects
+ // (backwards compatibility) while at the same time support features
+ // like normalization and multi-stroke key bindings. It compiles a
+ // new normalized keymap, and then updates the old object to reflect
+ // this.
+ function normalizeKeyMap(keymap) {
+ var copy = {};
+ for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
+ var value = keymap[keyname];
+ if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
+ if (value == "...") { delete keymap[keyname]; continue }
+
+ var keys = map(keyname.split(" "), normalizeKeyName);
+ for (var i = 0; i < keys.length; i++) {
+ var val = (void 0), name = (void 0);
+ if (i == keys.length - 1) {
+ name = keys.join(" ");
+ val = value;
+ } else {
+ name = keys.slice(0, i + 1).join(" ");
+ val = "...";
+ }
+ var prev = copy[name];
+ if (!prev) { copy[name] = val; }
+ else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+ }
+ delete keymap[keyname];
+ } }
+ for (var prop in copy) { keymap[prop] = copy[prop]; }
+ return keymap
+ }
-// SCROLLBARS
+ function lookupKey(key, map$$1, handle, context) {
+ map$$1 = getKeyMap(map$$1);
+ var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];
+ if (found === false) { return "nothing" }
+ if (found === "...") { return "multi" }
+ if (found != null && handle(found)) { return "handled" }
-// Prepare DOM reads needed to update the scrollbars. Done in one
-// shot to minimize update/measure roundtrips.
-function measureForScrollbars(cm) {
- var d = cm.display, gutterW = d.gutters.offsetWidth;
- var docH = Math.round(cm.doc.height + paddingVert(cm.display));
- return {
- clientHeight: d.scroller.clientHeight,
- viewHeight: d.wrapper.clientHeight,
- scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,
- viewWidth: d.wrapper.clientWidth,
- barLeft: cm.options.fixedGutter ? gutterW : 0,
- docHeight: docH,
- scrollHeight: docH + scrollGap(cm) + d.barHeight,
- nativeBarWidth: d.nativeBarWidth,
- gutterWidth: gutterW
+ if (map$$1.fallthrough) {
+ if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")
+ { return lookupKey(key, map$$1.fallthrough, handle, context) }
+ for (var i = 0; i < map$$1.fallthrough.length; i++) {
+ var result = lookupKey(key, map$$1.fallthrough[i], handle, context);
+ if (result) { return result }
+ }
+ }
}
-}
-var NativeScrollbars = function(place, scroll, cm) {
- this.cm = cm;
- var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");
- var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");
- place(vert); place(horiz);
+ // Modifier key presses don't count as 'real' key presses for the
+ // purpose of keymap fallthrough.
+ function isModifierKey(value) {
+ var name = typeof value == "string" ? value : keyNames[value.keyCode];
+ return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
+ }
- on(vert, "scroll", function () {
- if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }
- });
- on(horiz, "scroll", function () {
- if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }
- });
+ function addModifierNames(name, event, noShift) {
+ var base = name;
+ if (event.altKey && base != "Alt") { name = "Alt-" + name; }
+ if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
+ if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }
+ if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
+ return name
+ }
- this.checkedZeroWidth = false;
- // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).
- if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }
-};
+ // Look up the name of a key as indicated by an event object.
+ function keyName(event, noShift) {
+ if (presto && event.keyCode == 34 && event["char"]) { return false }
+ var name = keyNames[event.keyCode];
+ if (name == null || event.altGraphKey) { return false }
+ // Ctrl-ScrollLock has keyCode 3, same as Ctrl-Pause,
+ // so we'll use event.code when available (Chrome 48+, FF 38+, Safari 10.1+)
+ if (event.keyCode == 3 && event.code) { name = event.code; }
+ return addModifierNames(name, event, noShift)
+ }
-NativeScrollbars.prototype.update = function (measure) {
- var needsH = measure.scrollWidth > measure.clientWidth + 1;
- var needsV = measure.scrollHeight > measure.clientHeight + 1;
- var sWidth = measure.nativeBarWidth;
-
- if (needsV) {
- this.vert.style.display = "block";
- this.vert.style.bottom = needsH ? sWidth + "px" : "0";
- var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);
- // A bug in IE8 can cause this value to be negative, so guard it.
- this.vert.firstChild.style.height =
- Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";
- } else {
- this.vert.style.display = "";
- this.vert.firstChild.style.height = "0";
+ function getKeyMap(val) {
+ return typeof val == "string" ? keyMap[val] : val
}
- if (needsH) {
- this.horiz.style.display = "block";
- this.horiz.style.right = needsV ? sWidth + "px" : "0";
- this.horiz.style.left = measure.barLeft + "px";
- var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);
- this.horiz.firstChild.style.width =
- Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";
- } else {
- this.horiz.style.display = "";
- this.horiz.firstChild.style.width = "0";
+ // Helper for deleting text near the selection(s), used to implement
+ // backspace, delete, and similar functionality.
+ function deleteNearSelection(cm, compute) {
+ var ranges = cm.doc.sel.ranges, kill = [];
+ // Build up a set of ranges to kill first, merging overlapping
+ // ranges.
+ for (var i = 0; i < ranges.length; i++) {
+ var toKill = compute(ranges[i]);
+ while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
+ var replaced = kill.pop();
+ if (cmp(replaced.from, toKill.from) < 0) {
+ toKill.from = replaced.from;
+ break
+ }
+ }
+ kill.push(toKill);
+ }
+ // Next, remove those actual ranges.
+ runInOp(cm, function () {
+ for (var i = kill.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
+ ensureCursorVisible(cm);
+ });
}
- if (!this.checkedZeroWidth && measure.clientHeight > 0) {
- if (sWidth == 0) { this.zeroWidthHack(); }
- this.checkedZeroWidth = true;
+ function moveCharLogically(line, ch, dir) {
+ var target = skipExtendingChars(line.text, ch + dir, dir);
+ return target < 0 || target > line.text.length ? null : target
}
- return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}
-};
+ function moveLogically(line, start, dir) {
+ var ch = moveCharLogically(line, start.ch, dir);
+ return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
+ }
-NativeScrollbars.prototype.setScrollLeft = function (pos) {
- if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }
- if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }
-};
+ function endOfLine(visually, cm, lineObj, lineNo, dir) {
+ if (visually) {
+ var order = getOrder(lineObj, cm.doc.direction);
+ if (order) {
+ var part = dir < 0 ? lst(order) : order[0];
+ var moveInStorageOrder = (dir < 0) == (part.level == 1);
+ var sticky = moveInStorageOrder ? "after" : "before";
+ var ch;
+ // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
+ // it could be that the last bidi part is not on the last visual line,
+ // since visual lines contain content order-consecutive chunks.
+ // Thus, in rtl, we are looking for the first (content-order) character
+ // in the rtl chunk that is on the last line (that is, the same line
+ // as the last (content-order) character).
+ if (part.level > 0 || cm.doc.direction == "rtl") {
+ var prep = prepareMeasureForLine(cm, lineObj);
+ ch = dir < 0 ? lineObj.text.length - 1 : 0;
+ var targetTop = measureCharPrepared(cm, prep, ch).top;
+ ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
+ if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
+ } else { ch = dir < 0 ? part.to : part.from; }
+ return new Pos(lineNo, ch, sticky)
+ }
+ }
+ return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
+ }
+
+ function moveVisually(cm, line, start, dir) {
+ var bidi = getOrder(line, cm.doc.direction);
+ if (!bidi) { return moveLogically(line, start, dir) }
+ if (start.ch >= line.text.length) {
+ start.ch = line.text.length;
+ start.sticky = "before";
+ } else if (start.ch <= 0) {
+ start.ch = 0;
+ start.sticky = "after";
+ }
+ var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
+ if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
+ // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
+ // nothing interesting happens.
+ return moveLogically(line, start, dir)
+ }
+
+ var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
+ var prep;
+ var getWrappedLineExtent = function (ch) {
+ if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
+ prep = prep || prepareMeasureForLine(cm, line);
+ return wrappedLineExtentChar(cm, line, prep, ch)
+ };
+ var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
-NativeScrollbars.prototype.setScrollTop = function (pos) {
- if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }
- if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }
-};
+ if (cm.doc.direction == "rtl" || part.level == 1) {
+ var moveInStorageOrder = (part.level == 1) == (dir < 0);
+ var ch = mv(start, moveInStorageOrder ? 1 : -1);
+ if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
+ // Case 2: We move within an rtl part or in an rtl editor on the same visual line
+ var sticky = moveInStorageOrder ? "before" : "after";
+ return new Pos(start.line, ch, sticky)
+ }
+ }
-NativeScrollbars.prototype.zeroWidthHack = function () {
- var w = mac && !mac_geMountainLion ? "12px" : "18px";
- this.horiz.style.height = this.vert.style.width = w;
- this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";
- this.disableHoriz = new Delayed;
- this.disableVert = new Delayed;
-};
+ // Case 3: Could not move within this bidi part in this visual line, so leave
+ // the current bidi part
-NativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {
- bar.style.pointerEvents = "auto";
- function maybeDisable() {
- // To find out whether the scrollbar is still visible, we
- // check whether the element under the pixel in the bottom
- // right corner of the scrollbar box is the scrollbar box
- // itself (when the bar is still visible) or its filler child
- // (when the bar is hidden). If it is still visible, we keep
- // it enabled, if it's hidden, we disable pointer events.
- var box = bar.getBoundingClientRect();
- var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)
- : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);
- if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }
- else { delay.set(1000, maybeDisable); }
- }
- delay.set(1000, maybeDisable);
-};
+ var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
+ var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
+ ? new Pos(start.line, mv(ch, 1), "before")
+ : new Pos(start.line, ch, "after"); };
-NativeScrollbars.prototype.clear = function () {
- var parent = this.horiz.parentNode;
- parent.removeChild(this.horiz);
- parent.removeChild(this.vert);
-};
+ for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
+ var part = bidi[partPos];
+ var moveInStorageOrder = (dir > 0) == (part.level != 1);
+ var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
+ if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
+ ch = moveInStorageOrder ? part.from : mv(part.to, -1);
+ if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
+ }
+ };
-var NullScrollbars = function () {};
+ // Case 3a: Look for other bidi parts on the same visual line
+ var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
+ if (res) { return res }
-NullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };
-NullScrollbars.prototype.setScrollLeft = function () {};
-NullScrollbars.prototype.setScrollTop = function () {};
-NullScrollbars.prototype.clear = function () {};
+ // Case 3b: Look for other bidi parts on the next visual line
+ var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
+ if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
+ res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
+ if (res) { return res }
+ }
-function updateScrollbars(cm, measure) {
- if (!measure) { measure = measureForScrollbars(cm); }
- var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;
- updateScrollbarsInner(cm, measure);
- for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {
- if (startWidth != cm.display.barWidth && cm.options.lineWrapping)
- { updateHeightsInViewport(cm); }
- updateScrollbarsInner(cm, measureForScrollbars(cm));
- startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;
+ // Case 4: Nowhere to move
+ return null
}
-}
-
-// Re-synchronize the fake scrollbars with the actual size of the
-// content.
-function updateScrollbarsInner(cm, measure) {
- var d = cm.display;
- var sizes = d.scrollbars.update(measure);
-
- d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";
- d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";
- d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";
-
- if (sizes.right && sizes.bottom) {
- d.scrollbarFiller.style.display = "block";
- d.scrollbarFiller.style.height = sizes.bottom + "px";
- d.scrollbarFiller.style.width = sizes.right + "px";
- } else { d.scrollbarFiller.style.display = ""; }
- if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {
- d.gutterFiller.style.display = "block";
- d.gutterFiller.style.height = sizes.bottom + "px";
- d.gutterFiller.style.width = measure.gutterWidth + "px";
- } else { d.gutterFiller.style.display = ""; }
-}
-var scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};
+ // Commands are parameter-less actions that can be performed on an
+ // editor, mostly used for keybindings.
+ var commands = {
+ selectAll: selectAll,
+ singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
+ killLine: function (cm) { return deleteNearSelection(cm, function (range) {
+ if (range.empty()) {
+ var len = getLine(cm.doc, range.head.line).text.length;
+ if (range.head.ch == len && range.head.line < cm.lastLine())
+ { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
+ else
+ { return {from: range.head, to: Pos(range.head.line, len)} }
+ } else {
+ return {from: range.from(), to: range.to()}
+ }
+ }); },
+ deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0),
+ to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
+ }); }); },
+ delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
+ from: Pos(range.from().line, 0), to: range.from()
+ }); }); },
+ delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var leftPos = cm.coordsChar({left: 0, top: top}, "div");
+ return {from: leftPos, to: range.from()}
+ }); },
+ delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
+ var top = cm.charCoords(range.head, "div").top + 5;
+ var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
+ return {from: range.from(), to: rightPos }
+ }); },
+ undo: function (cm) { return cm.undo(); },
+ redo: function (cm) { return cm.redo(); },
+ undoSelection: function (cm) { return cm.undoSelection(); },
+ redoSelection: function (cm) { return cm.redoSelection(); },
+ goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
+ goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
+ goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
+ {origin: "+move", bias: 1}
+ ); },
+ goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
+ {origin: "+move", bias: -1}
+ ); },
+ goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
+ }, sel_move); },
+ goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ return cm.coordsChar({left: 0, top: top}, "div")
+ }, sel_move); },
+ goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
+ var top = cm.cursorCoords(range.head, "div").top + 5;
+ var pos = cm.coordsChar({left: 0, top: top}, "div");
+ if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
+ return pos
+ }, sel_move); },
+ goLineUp: function (cm) { return cm.moveV(-1, "line"); },
+ goLineDown: function (cm) { return cm.moveV(1, "line"); },
+ goPageUp: function (cm) { return cm.moveV(-1, "page"); },
+ goPageDown: function (cm) { return cm.moveV(1, "page"); },
+ goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
+ goCharRight: function (cm) { return cm.moveH(1, "char"); },
+ goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
+ goColumnRight: function (cm) { return cm.moveH(1, "column"); },
+ goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
+ goGroupRight: function (cm) { return cm.moveH(1, "group"); },
+ goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
+ goWordRight: function (cm) { return cm.moveH(1, "word"); },
+ delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
+ delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
+ delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
+ delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
+ delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
+ delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
+ indentAuto: function (cm) { return cm.indentSelection("smart"); },
+ indentMore: function (cm) { return cm.indentSelection("add"); },
+ indentLess: function (cm) { return cm.indentSelection("subtract"); },
+ insertTab: function (cm) { return cm.replaceSelection("\t"); },
+ insertSoftTab: function (cm) {
+ var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
+ for (var i = 0; i < ranges.length; i++) {
+ var pos = ranges[i].from();
+ var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
+ spaces.push(spaceStr(tabSize - col % tabSize));
+ }
+ cm.replaceSelections(spaces);
+ },
+ defaultTab: function (cm) {
+ if (cm.somethingSelected()) { cm.indentSelection("add"); }
+ else { cm.execCommand("insertTab"); }
+ },
+ // Swap the two chars left and right of each selection's head.
+ // Move cursor behind the two swapped characters afterwards.
+ //
+ // Doesn't consider line feeds a character.
+ // Doesn't scan more than one line above to find a character.
+ // Doesn't do anything on an empty line.
+ // Doesn't do anything with non-empty selections.
+ transposeChars: function (cm) { return runInOp(cm, function () {
+ var ranges = cm.listSelections(), newSel = [];
+ for (var i = 0; i < ranges.length; i++) {
+ if (!ranges[i].empty()) { continue }
+ var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
+ if (line) {
+ if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
+ if (cur.ch > 0) {
+ cur = new Pos(cur.line, cur.ch + 1);
+ cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
+ Pos(cur.line, cur.ch - 2), cur, "+transpose");
+ } else if (cur.line > cm.doc.first) {
+ var prev = getLine(cm.doc, cur.line - 1).text;
+ if (prev) {
+ cur = new Pos(cur.line, 1);
+ cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
+ prev.charAt(prev.length - 1),
+ Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
+ }
+ }
+ }
+ newSel.push(new Range(cur, cur));
+ }
+ cm.setSelections(newSel);
+ }); },
+ newlineAndIndent: function (cm) { return runInOp(cm, function () {
+ var sels = cm.listSelections();
+ for (var i = sels.length - 1; i >= 0; i--)
+ { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
+ sels = cm.listSelections();
+ for (var i$1 = 0; i$1 < sels.length; i$1++)
+ { cm.indentLine(sels[i$1].from().line, null, true); }
+ ensureCursorVisible(cm);
+ }); },
+ openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
+ toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
+ };
+
+
+ function lineStart(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLine(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, visual, lineN, 1)
+ }
+ function lineEnd(cm, lineN) {
+ var line = getLine(cm.doc, lineN);
+ var visual = visualLineEnd(line);
+ if (visual != line) { lineN = lineNo(visual); }
+ return endOfLine(true, cm, line, lineN, -1)
+ }
+ function lineStartSmart(cm, pos) {
+ var start = lineStart(cm, pos.line);
+ var line = getLine(cm.doc, start.line);
+ var order = getOrder(line, cm.doc.direction);
+ if (!order || order[0].level == 0) {
+ var firstNonWS = Math.max(0, line.text.search(/\S/));
+ var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
+ return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
+ }
+ return start
+ }
+
+ // Run a handler that was bound to a key.
+ function doHandleBinding(cm, bound, dropShift) {
+ if (typeof bound == "string") {
+ bound = commands[bound];
+ if (!bound) { return false }
+ }
+ // Ensure previous input has been read, so that the handler sees a
+ // consistent view of the document
+ cm.display.input.ensurePolled();
+ var prevShift = cm.display.shift, done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ if (dropShift) { cm.display.shift = false; }
+ done = bound(cm) != Pass;
+ } finally {
+ cm.display.shift = prevShift;
+ cm.state.suppressEdits = false;
+ }
+ return done
+ }
-function initScrollbars(cm) {
- if (cm.display.scrollbars) {
- cm.display.scrollbars.clear();
- if (cm.display.scrollbars.addClass)
- { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
+ function lookupKeyForEditor(cm, name, handle) {
+ for (var i = 0; i < cm.state.keyMaps.length; i++) {
+ var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
+ if (result) { return result }
+ }
+ return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
+ || lookupKey(name, cm.options.keyMap, handle, cm)
}
- cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {
- cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);
- // Prevent clicks in the scrollbars from killing focus
- on(node, "mousedown", function () {
- if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }
- });
- node.setAttribute("cm-not-content", "true");
- }, function (pos, axis) {
- if (axis == "horizontal") { setScrollLeft(cm, pos); }
- else { updateScrollTop(cm, pos); }
- }, cm);
- if (cm.display.scrollbars.addClass)
- { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }
-}
+ // Note that, despite the name, this function is also used to check
+ // for bound mouse clicks.
-// Operations are used to wrap a series of changes to the editor
-// state in such a way that each change won't have to update the
-// cursor and display (which would be awkward, slow, and
-// error-prone). Instead, display updates are batched and then all
-// combined and executed at once.
-
-var nextOpId = 0;
-// Start a new operation.
-function startOperation(cm) {
- cm.curOp = {
- cm: cm,
- viewChanged: false, // Flag that indicates that lines might need to be redrawn
- startHeight: cm.doc.height, // Used to detect need to update scrollbar
- forceUpdate: false, // Used to force a redraw
- updateInput: null, // Whether to reset the input textarea
- typing: false, // Whether this reset should be careful to leave existing text (for compositing)
- changeObjs: null, // Accumulated changes, for firing change events
- cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on
- cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already
- selectionChanged: false, // Whether the selection needs to be redrawn
- updateMaxLine: false, // Set when the widest line needs to be determined anew
- scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet
- scrollToPos: null, // Used to scroll to a specific position
- focus: false,
- id: ++nextOpId // Unique ID
- };
- pushOperation(cm.curOp);
-}
+ var stopSeq = new Delayed;
-// Finish an operation, updating the display and signalling delayed events
-function endOperation(cm) {
- var op = cm.curOp;
- finishOperation(op, function (group) {
- for (var i = 0; i < group.ops.length; i++)
- { group.ops[i].cm.curOp = null; }
- endOperations(group);
- });
-}
+ function dispatchKey(cm, name, e, handle) {
+ var seq = cm.state.keySeq;
+ if (seq) {
+ if (isModifierKey(name)) { return "handled" }
+ if (/\'$/.test(name))
+ { cm.state.keySeq = null; }
+ else
+ { stopSeq.set(50, function () {
+ if (cm.state.keySeq == seq) {
+ cm.state.keySeq = null;
+ cm.display.input.reset();
+ }
+ }); }
+ if (dispatchKeyInner(cm, seq + " " + name, e, handle)) { return true }
+ }
+ return dispatchKeyInner(cm, name, e, handle)
+ }
-// The DOM updates done when an operation finishes are batched so
-// that the minimum number of relayouts are required.
-function endOperations(group) {
- var ops = group.ops;
- for (var i = 0; i < ops.length; i++) // Read DOM
- { endOperation_R1(ops[i]); }
- for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)
- { endOperation_W1(ops[i$1]); }
- for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM
- { endOperation_R2(ops[i$2]); }
- for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)
- { endOperation_W2(ops[i$3]); }
- for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM
- { endOperation_finish(ops[i$4]); }
-}
+ function dispatchKeyInner(cm, name, e, handle) {
+ var result = lookupKeyForEditor(cm, name, handle);
-function endOperation_R1(op) {
- var cm = op.cm, display = cm.display;
- maybeClipScrollbars(cm);
- if (op.updateMaxLine) { findMaxLine(cm); }
-
- op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||
- op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||
- op.scrollToPos.to.line >= display.viewTo) ||
- display.maxLineChanged && cm.options.lineWrapping;
- op.update = op.mustUpdate &&
- new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);
-}
+ if (result == "multi")
+ { cm.state.keySeq = name; }
+ if (result == "handled")
+ { signalLater(cm, "keyHandled", cm, name, e); }
-function endOperation_W1(op) {
- op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);
-}
+ if (result == "handled" || result == "multi") {
+ e_preventDefault(e);
+ restartBlink(cm);
+ }
-function endOperation_R2(op) {
- var cm = op.cm, display = cm.display;
- if (op.updatedDisplay) { updateHeightsInViewport(cm); }
+ return !!result
+ }
- op.barMeasure = measureForScrollbars(cm);
+ // Handle a key from the keydown event.
+ function handleKeyBinding(cm, e) {
+ var name = keyName(e, true);
+ if (!name) { return false }
- // If the max line changed since it was last measured, measure it,
- // and ensure the document's width matches it.
- // updateDisplay_W2 will use these properties to do the actual resizing
- if (display.maxLineChanged && !cm.options.lineWrapping) {
- op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;
- cm.display.sizerWidth = op.adjustWidthTo;
- op.barMeasure.scrollWidth =
- Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);
- op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));
+ if (e.shiftKey && !cm.state.keySeq) {
+ // First try to resolve full name (including 'Shift-'). Failing
+ // that, see if there is a cursor-motion command (starting with
+ // 'go') bound to the keyname without 'Shift-'.
+ return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
+ || dispatchKey(cm, name, e, function (b) {
+ if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
+ { return doHandleBinding(cm, b) }
+ })
+ } else {
+ return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
+ }
}
- if (op.updatedDisplay || op.selectionChanged)
- { op.preparedSelection = display.input.prepareSelection(); }
-}
+ // Handle a key from the keypress event
+ function handleCharBinding(cm, e, ch) {
+ return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
+ }
-function endOperation_W2(op) {
- var cm = op.cm;
+ var lastStoppedKey = null;
+ function onKeyDown(e) {
+ var cm = this;
+ cm.curOp.focus = activeElt();
+ if (signalDOMEvent(cm, e)) { return }
+ // IE does strange things with escape.
+ if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
+ var code = e.keyCode;
+ cm.display.shift = code == 16 || e.shiftKey;
+ var handled = handleKeyBinding(cm, e);
+ if (presto) {
+ lastStoppedKey = handled ? code : null;
+ // Opera has no cut event... we try to at least catch the key combo
+ if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
+ { cm.replaceSelection("", null, "cut"); }
+ }
- if (op.adjustWidthTo != null) {
- cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";
- if (op.maxScrollLeft < cm.doc.scrollLeft)
- { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }
- cm.display.maxLineChanged = false;
+ // Turn mouse into crosshair when Alt is held on Mac.
+ if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
+ { showCrossHair(cm); }
}
- var takeFocus = op.focus && op.focus == activeElt();
- if (op.preparedSelection)
- { cm.display.input.showSelection(op.preparedSelection, takeFocus); }
- if (op.updatedDisplay || op.startHeight != cm.doc.height)
- { updateScrollbars(cm, op.barMeasure); }
- if (op.updatedDisplay)
- { setDocumentHeight(cm, op.barMeasure); }
+ function showCrossHair(cm) {
+ var lineDiv = cm.display.lineDiv;
+ addClass(lineDiv, "CodeMirror-crosshair");
+
+ function up(e) {
+ if (e.keyCode == 18 || !e.altKey) {
+ rmClass(lineDiv, "CodeMirror-crosshair");
+ off(document, "keyup", up);
+ off(document, "mouseover", up);
+ }
+ }
+ on(document, "keyup", up);
+ on(document, "mouseover", up);
+ }
- if (op.selectionChanged) { restartBlink(cm); }
+ function onKeyUp(e) {
+ if (e.keyCode == 16) { this.doc.sel.shift = false; }
+ signalDOMEvent(this, e);
+ }
- if (cm.state.focused && op.updateInput)
- { cm.display.input.reset(op.typing); }
- if (takeFocus) { ensureFocus(op.cm); }
-}
+ function onKeyPress(e) {
+ var cm = this;
+ if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
+ var keyCode = e.keyCode, charCode = e.charCode;
+ if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
+ if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
+ var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
+ // Some browsers fire keypress events for backspace
+ if (ch == "\x08") { return }
+ if (handleCharBinding(cm, e, ch)) { return }
+ cm.display.input.onKeyPress(e);
+ }
+
+ var DOUBLECLICK_DELAY = 400;
+
+ var PastClick = function(time, pos, button) {
+ this.time = time;
+ this.pos = pos;
+ this.button = button;
+ };
+
+ PastClick.prototype.compare = function (time, pos, button) {
+ return this.time + DOUBLECLICK_DELAY > time &&
+ cmp(pos, this.pos) == 0 && button == this.button
+ };
+
+ var lastClick, lastDoubleClick;
+ function clickRepeat(pos, button) {
+ var now = +new Date;
+ if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
+ lastClick = lastDoubleClick = null;
+ return "triple"
+ } else if (lastClick && lastClick.compare(now, pos, button)) {
+ lastDoubleClick = new PastClick(now, pos, button);
+ lastClick = null;
+ return "double"
+ } else {
+ lastClick = new PastClick(now, pos, button);
+ lastDoubleClick = null;
+ return "single"
+ }
+ }
+
+ // A mouse down can be a single click, double click, triple click,
+ // start of selection drag, start of text drag, new cursor
+ // (ctrl-click), rectangle drag (alt-drag), or xwin
+ // middle-click-paste. Or it might be a click on something we should
+ // not interfere with, such as a scrollbar or widget.
+ function onMouseDown(e) {
+ var cm = this, display = cm.display;
+ if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
+ display.input.ensurePolled();
+ display.shift = e.shiftKey;
+
+ if (eventInWidget(display, e)) {
+ if (!webkit) {
+ // Briefly turn off draggability, to allow widgets to do
+ // normal dragging things.
+ display.scroller.draggable = false;
+ setTimeout(function () { return display.scroller.draggable = true; }, 100);
+ }
+ return
+ }
+ if (clickInGutter(cm, e)) { return }
+ var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
+ window.focus();
-function endOperation_finish(op) {
- var cm = op.cm, display = cm.display, doc = cm.doc;
+ // #3261: make sure, that we're not starting a second selection
+ if (button == 1 && cm.state.selectingText)
+ { cm.state.selectingText(e); }
- if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }
+ if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }
- // Abort mouse wheel delta measurement, when scrolling explicitly
- if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))
- { display.wheelStartX = display.wheelStartY = null; }
+ if (button == 1) {
+ if (pos) { leftButtonDown(cm, pos, repeat, e); }
+ else if (e_target(e) == display.scroller) { e_preventDefault(e); }
+ } else if (button == 2) {
+ if (pos) { extendSelection(cm.doc, pos); }
+ setTimeout(function () { return display.input.focus(); }, 20);
+ } else if (button == 3) {
+ if (captureRightClick) { cm.display.input.onContextMenu(e); }
+ else { delayBlurEvent(cm); }
+ }
+ }
- // Propagate the scroll position to the actual DOM scroller
- if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }
+ function handleMappedButton(cm, button, pos, repeat, event) {
+ var name = "Click";
+ if (repeat == "double") { name = "Double" + name; }
+ else if (repeat == "triple") { name = "Triple" + name; }
+ name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
- if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }
- // If we need to scroll a specific position into view, do so.
- if (op.scrollToPos) {
- var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),
- clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);
- maybeScrollWindow(cm, rect);
+ return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {
+ if (typeof bound == "string") { bound = commands[bound]; }
+ if (!bound) { return false }
+ var done = false;
+ try {
+ if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
+ done = bound(cm, pos) != Pass;
+ } finally {
+ cm.state.suppressEdits = false;
+ }
+ return done
+ })
}
- // Fire events for markers that are hidden/unidden by editing or
- // undoing
- var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;
- if (hidden) { for (var i = 0; i < hidden.length; ++i)
- { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }
- if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)
- { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }
+ function configureMouse(cm, repeat, event) {
+ var option = cm.getOption("configureMouse");
+ var value = option ? option(cm, repeat, event) : {};
+ if (value.unit == null) {
+ var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
+ value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
+ }
+ if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
+ if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
+ if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
+ return value
+ }
- if (display.wrapper.offsetHeight)
- { doc.scrollTop = cm.display.scroller.scrollTop; }
+ function leftButtonDown(cm, pos, repeat, event) {
+ if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
+ else { cm.curOp.focus = activeElt(); }
- // Fire change events, and delayed event handlers
- if (op.changeObjs)
- { signal(cm, "changes", cm, op.changeObjs); }
- if (op.update)
- { op.update.finish(); }
-}
+ var behavior = configureMouse(cm, repeat, event);
-// Run the given function in an operation
-function runInOp(cm, f) {
- if (cm.curOp) { return f() }
- startOperation(cm);
- try { return f() }
- finally { endOperation(cm); }
-}
-// Wraps a function in an operation. Returns the wrapped function.
-function operation(cm, f) {
- return function() {
- if (cm.curOp) { return f.apply(cm, arguments) }
- startOperation(cm);
- try { return f.apply(cm, arguments) }
- finally { endOperation(cm); }
- }
-}
-// Used to add methods to editor and doc instances, wrapping them in
-// operations.
-function methodOp(f) {
- return function() {
- if (this.curOp) { return f.apply(this, arguments) }
- startOperation(this);
- try { return f.apply(this, arguments) }
- finally { endOperation(this); }
+ var sel = cm.doc.sel, contained;
+ if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
+ repeat == "single" && (contained = sel.contains(pos)) > -1 &&
+ (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
+ (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
+ { leftButtonStartDrag(cm, event, pos, behavior); }
+ else
+ { leftButtonSelect(cm, event, pos, behavior); }
+ }
+
+ // Start a text drag. When it ends, see if any dragging actually
+ // happen, and treat as a click if it didn't.
+ function leftButtonStartDrag(cm, event, pos, behavior) {
+ var display = cm.display, moved = false;
+ var dragEnd = operation(cm, function (e) {
+ if (webkit) { display.scroller.draggable = false; }
+ cm.state.draggingText = false;
+ off(display.wrapper.ownerDocument, "mouseup", dragEnd);
+ off(display.wrapper.ownerDocument, "mousemove", mouseMove);
+ off(display.scroller, "dragstart", dragStart);
+ off(display.scroller, "drop", dragEnd);
+ if (!moved) {
+ e_preventDefault(e);
+ if (!behavior.addNew)
+ { extendSelection(cm.doc, pos, null, null, behavior.extend); }
+ // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
+ if (webkit || ie && ie_version == 9)
+ { setTimeout(function () {display.wrapper.ownerDocument.body.focus(); display.input.focus();}, 20); }
+ else
+ { display.input.focus(); }
+ }
+ });
+ var mouseMove = function(e2) {
+ moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
+ };
+ var dragStart = function () { return moved = true; };
+ // Let the drag handler handle this.
+ if (webkit) { display.scroller.draggable = true; }
+ cm.state.draggingText = dragEnd;
+ dragEnd.copy = !behavior.moveOnDrag;
+ // IE's approach to draggable
+ if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
+ on(display.wrapper.ownerDocument, "mouseup", dragEnd);
+ on(display.wrapper.ownerDocument, "mousemove", mouseMove);
+ on(display.scroller, "dragstart", dragStart);
+ on(display.scroller, "drop", dragEnd);
+
+ delayBlurEvent(cm);
+ setTimeout(function () { return display.input.focus(); }, 20);
}
-}
-function docMethodOp(f) {
- return function() {
- var cm = this.cm;
- if (!cm || cm.curOp) { return f.apply(this, arguments) }
- startOperation(cm);
- try { return f.apply(this, arguments) }
- finally { endOperation(cm); }
+
+ function rangeForUnit(cm, pos, unit) {
+ if (unit == "char") { return new Range(pos, pos) }
+ if (unit == "word") { return cm.findWordAt(pos) }
+ if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
+ var result = unit(cm, pos);
+ return new Range(result.from, result.to)
}
-}
-// Updates the display.view data structure for a given change to the
-// document. From and to are in pre-change coordinates. Lendiff is
-// the amount of lines added or subtracted by the change. This is
-// used for changes that span multiple lines, or change the way
-// lines are divided into visual lines. regLineChange (below)
-// registers single-line changes.
-function regChange(cm, from, to, lendiff) {
- if (from == null) { from = cm.doc.first; }
- if (to == null) { to = cm.doc.first + cm.doc.size; }
- if (!lendiff) { lendiff = 0; }
-
- var display = cm.display;
- if (lendiff && to < display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers > from))
- { display.updateLineNumbers = from; }
-
- cm.curOp.viewChanged = true;
-
- if (from >= display.viewTo) { // Change after
- if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)
- { resetView(cm); }
- } else if (to <= display.viewFrom) { // Change before
- if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {
- resetView(cm);
- } else {
- display.viewFrom += lendiff;
- display.viewTo += lendiff;
- }
- } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap
- resetView(cm);
- } else if (from <= display.viewFrom) { // Top overlap
- var cut = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cut) {
- display.view = display.view.slice(cut.index);
- display.viewFrom = cut.lineN;
- display.viewTo += lendiff;
+ // Normal selection, as opposed to text dragging.
+ function leftButtonSelect(cm, event, start, behavior) {
+ var display = cm.display, doc = cm.doc;
+ e_preventDefault(event);
+
+ var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
+ if (behavior.addNew && !behavior.extend) {
+ ourIndex = doc.sel.contains(start);
+ if (ourIndex > -1)
+ { ourRange = ranges[ourIndex]; }
+ else
+ { ourRange = new Range(start, start); }
} else {
- resetView(cm);
+ ourRange = doc.sel.primary();
+ ourIndex = doc.sel.primIndex;
}
- } else if (to >= display.viewTo) { // Bottom overlap
- var cut$1 = viewCuttingPoint(cm, from, from, -1);
- if (cut$1) {
- display.view = display.view.slice(0, cut$1.index);
- display.viewTo = cut$1.lineN;
+
+ if (behavior.unit == "rectangle") {
+ if (!behavior.addNew) { ourRange = new Range(start, start); }
+ start = posFromMouse(cm, event, true, true);
+ ourIndex = -1;
} else {
- resetView(cm);
+ var range$$1 = rangeForUnit(cm, start, behavior.unit);
+ if (behavior.extend)
+ { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }
+ else
+ { ourRange = range$$1; }
+ }
+
+ if (!behavior.addNew) {
+ ourIndex = 0;
+ setSelection(doc, new Selection([ourRange], 0), sel_mouse);
+ startSel = doc.sel;
+ } else if (ourIndex == -1) {
+ ourIndex = ranges.length;
+ setSelection(doc, normalizeSelection(cm, ranges.concat([ourRange]), ourIndex),
+ {scroll: false, origin: "*mouse"});
+ } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
+ setSelection(doc, normalizeSelection(cm, ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
+ {scroll: false, origin: "*mouse"});
+ startSel = doc.sel;
+ } else {
+ replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
+ }
+
+ var lastPos = start;
+ function extendTo(pos) {
+ if (cmp(lastPos, pos) == 0) { return }
+ lastPos = pos;
+
+ if (behavior.unit == "rectangle") {
+ var ranges = [], tabSize = cm.options.tabSize;
+ var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
+ var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
+ var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
+ for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
+ line <= end; line++) {
+ var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
+ if (left == right)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
+ else if (text.length > leftPos)
+ { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
+ }
+ if (!ranges.length) { ranges.push(new Range(start, start)); }
+ setSelection(doc, normalizeSelection(cm, startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
+ {origin: "*mouse", scroll: false});
+ cm.scrollIntoView(pos);
+ } else {
+ var oldRange = ourRange;
+ var range$$1 = rangeForUnit(cm, pos, behavior.unit);
+ var anchor = oldRange.anchor, head;
+ if (cmp(range$$1.anchor, anchor) > 0) {
+ head = range$$1.head;
+ anchor = minPos(oldRange.from(), range$$1.anchor);
+ } else {
+ head = range$$1.anchor;
+ anchor = maxPos(oldRange.to(), range$$1.head);
+ }
+ var ranges$1 = startSel.ranges.slice(0);
+ ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
+ setSelection(doc, normalizeSelection(cm, ranges$1, ourIndex), sel_mouse);
+ }
+ }
+
+ var editorSize = display.wrapper.getBoundingClientRect();
+ // Used to ensure timeout re-tries don't fire when another extend
+ // happened in the meantime (clearTimeout isn't reliable -- at
+ // least on Chrome, the timeouts still happen even when cleared,
+ // if the clear happens after their scheduled firing time).
+ var counter = 0;
+
+ function extend(e) {
+ var curCount = ++counter;
+ var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
+ if (!cur) { return }
+ if (cmp(cur, lastPos) != 0) {
+ cm.curOp.focus = activeElt();
+ extendTo(cur);
+ var visible = visibleLines(display, doc);
+ if (cur.line >= visible.to || cur.line < visible.from)
+ { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
+ } else {
+ var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
+ if (outside) { setTimeout(operation(cm, function () {
+ if (counter != curCount) { return }
+ display.scroller.scrollTop += outside;
+ extend(e);
+ }), 50); }
+ }
+ }
+
+ function done(e) {
+ cm.state.selectingText = false;
+ counter = Infinity;
+ // If e is null or undefined we interpret this as someone trying
+ // to explicitly cancel the selection rather than the user
+ // letting go of the mouse button.
+ if (e) {
+ e_preventDefault(e);
+ display.input.focus();
+ }
+ off(display.wrapper.ownerDocument, "mousemove", move);
+ off(display.wrapper.ownerDocument, "mouseup", up);
+ doc.history.lastSelOrigin = null;
}
- } else { // Gap in the middle
- var cutTop = viewCuttingPoint(cm, from, from, -1);
- var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);
- if (cutTop && cutBot) {
- display.view = display.view.slice(0, cutTop.index)
- .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))
- .concat(display.view.slice(cutBot.index));
- display.viewTo += lendiff;
+
+ var move = operation(cm, function (e) {
+ if (e.buttons === 0 || !e_button(e)) { done(e); }
+ else { extend(e); }
+ });
+ var up = operation(cm, done);
+ cm.state.selectingText = up;
+ on(display.wrapper.ownerDocument, "mousemove", move);
+ on(display.wrapper.ownerDocument, "mouseup", up);
+ }
+
+ // Used when mouse-selecting to adjust the anchor to the proper side
+ // of a bidi jump depending on the visual position of the head.
+ function bidiSimplify(cm, range$$1) {
+ var anchor = range$$1.anchor;
+ var head = range$$1.head;
+ var anchorLine = getLine(cm.doc, anchor.line);
+ if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }
+ var order = getOrder(anchorLine);
+ if (!order) { return range$$1 }
+ var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
+ if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }
+ var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
+ if (boundary == 0 || boundary == order.length) { return range$$1 }
+
+ // Compute the relative visual position of the head compared to the
+ // anchor (<0 is to the left, >0 to the right)
+ var leftSide;
+ if (head.line != anchor.line) {
+ leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
} else {
- resetView(cm);
+ var headIndex = getBidiPartAt(order, head.ch, head.sticky);
+ var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
+ if (headIndex == boundary - 1 || headIndex == boundary)
+ { leftSide = dir < 0; }
+ else
+ { leftSide = dir > 0; }
}
- }
- var ext = display.externalMeasured;
- if (ext) {
- if (to < ext.lineN)
- { ext.lineN += lendiff; }
- else if (from < ext.lineN + ext.size)
- { display.externalMeasured = null; }
+ var usePart = order[boundary + (leftSide ? -1 : 0)];
+ var from = leftSide == (usePart.level == 1);
+ var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
+ return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)
}
-}
-// Register a change to a single line. Type must be one of "text",
-// "gutter", "class", "widget"
-function regLineChange(cm, line, type) {
- cm.curOp.viewChanged = true;
- var display = cm.display, ext = cm.display.externalMeasured;
- if (ext && line >= ext.lineN && line < ext.lineN + ext.size)
- { display.externalMeasured = null; }
-
- if (line < display.viewFrom || line >= display.viewTo) { return }
- var lineView = display.view[findViewIndex(cm, line)];
- if (lineView.node == null) { return }
- var arr = lineView.changes || (lineView.changes = []);
- if (indexOf(arr, type) == -1) { arr.push(type); }
-}
-
-// Clear the view.
-function resetView(cm) {
- cm.display.viewFrom = cm.display.viewTo = cm.doc.first;
- cm.display.view = [];
- cm.display.viewOffset = 0;
-}
-function viewCuttingPoint(cm, oldN, newN, dir) {
- var index = findViewIndex(cm, oldN), diff, view = cm.display.view;
- if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)
- { return {index: index, lineN: newN} }
- var n = cm.display.viewFrom;
- for (var i = 0; i < index; i++)
- { n += view[i].size; }
- if (n != oldN) {
- if (dir > 0) {
- if (index == view.length - 1) { return null }
- diff = (n + view[index].size) - oldN;
- index++;
+ // Determines whether an event happened in the gutter, and fires the
+ // handlers for the corresponding event.
+ function gutterEvent(cm, e, type, prevent) {
+ var mX, mY;
+ if (e.touches) {
+ mX = e.touches[0].clientX;
+ mY = e.touches[0].clientY;
} else {
- diff = n - oldN;
+ try { mX = e.clientX; mY = e.clientY; }
+ catch(e) { return false }
+ }
+ if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
+ if (prevent) { e_preventDefault(e); }
+
+ var display = cm.display;
+ var lineBox = display.lineDiv.getBoundingClientRect();
+
+ if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
+ mY -= lineBox.top - display.viewOffset;
+
+ for (var i = 0; i < cm.display.gutterSpecs.length; ++i) {
+ var g = display.gutters.childNodes[i];
+ if (g && g.getBoundingClientRect().right >= mX) {
+ var line = lineAtHeight(cm.doc, mY);
+ var gutter = cm.display.gutterSpecs[i];
+ signal(cm, type, cm, line, gutter.className, e);
+ return e_defaultPrevented(e)
+ }
}
- oldN += diff; newN += diff;
}
- while (visualLineNo(cm.doc, newN) != newN) {
- if (index == (dir < 0 ? 0 : view.length - 1)) { return null }
- newN += dir * view[index - (dir < 0 ? 1 : 0)].size;
- index += dir;
+
+ function clickInGutter(cm, e) {
+ return gutterEvent(cm, e, "gutterClick", true)
}
- return {index: index, lineN: newN}
-}
-// Force the view to cover a given range, adding empty view element
-// or clipping off existing ones as needed.
-function adjustView(cm, from, to) {
- var display = cm.display, view = display.view;
- if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {
- display.view = buildViewArray(cm, from, to);
- display.viewFrom = from;
- } else {
- if (display.viewFrom > from)
- { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }
- else if (display.viewFrom < from)
- { display.view = display.view.slice(findViewIndex(cm, from)); }
- display.viewFrom = from;
- if (display.viewTo < to)
- { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }
- else if (display.viewTo > to)
- { display.view = display.view.slice(0, findViewIndex(cm, to)); }
- }
- display.viewTo = to;
-}
+ // CONTEXT MENU HANDLING
-// Count the number of lines in the view whose DOM representation is
-// out of date (or nonexistent).
-function countDirtyView(cm) {
- var view = cm.display.view, dirty = 0;
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }
+ // To make the context menu work, we need to briefly unhide the
+ // textarea (making it as unobtrusive as possible) to let the
+ // right-click take effect on it.
+ function onContextMenu(cm, e) {
+ if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
+ if (signalDOMEvent(cm, e, "contextmenu")) { return }
+ if (!captureRightClick) { cm.display.input.onContextMenu(e); }
}
- return dirty
-}
-
-// HIGHLIGHT WORKER
-
-function startWorker(cm, time) {
- if (cm.doc.highlightFrontier < cm.display.viewTo)
- { cm.state.highlight.set(time, bind(highlightWorker, cm)); }
-}
-
-function highlightWorker(cm) {
- var doc = cm.doc;
- if (doc.highlightFrontier >= cm.display.viewTo) { return }
- var end = +new Date + cm.options.workTime;
- var context = getContextBefore(cm, doc.highlightFrontier);
- var changedLines = [];
-
- doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {
- if (context.line >= cm.display.viewFrom) { // Visible
- var oldStyles = line.styles;
- var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;
- var highlighted = highlightLine(cm, line, context, true);
- if (resetState) { context.state = resetState; }
- line.styles = highlighted.styles;
- var oldCls = line.styleClasses, newCls = highlighted.classes;
- if (newCls) { line.styleClasses = newCls; }
- else if (oldCls) { line.styleClasses = null; }
- var ischange = !oldStyles || oldStyles.length != line.styles.length ||
- oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);
- for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }
- if (ischange) { changedLines.push(context.line); }
- line.stateAfter = context.save();
- context.nextLine();
- } else {
- if (line.text.length <= cm.options.maxHighlightLength)
- { processLine(cm, line.text, context); }
- line.stateAfter = context.line % 5 == 0 ? context.save() : null;
- context.nextLine();
- }
- if (+new Date > end) {
- startWorker(cm, cm.options.workDelay);
- return true
- }
- });
- doc.highlightFrontier = context.line;
- doc.modeFrontier = Math.max(doc.modeFrontier, context.line);
- if (changedLines.length) { runInOp(cm, function () {
- for (var i = 0; i < changedLines.length; i++)
- { regLineChange(cm, changedLines[i], "text"); }
- }); }
-}
-
-// DISPLAY DRAWING
-
-var DisplayUpdate = function(cm, viewport, force) {
- var display = cm.display;
-
- this.viewport = viewport;
- // Store some values that we'll need later (but don't want to force a relayout for)
- this.visible = visibleLines(display, cm.doc, viewport);
- this.editorIsHidden = !display.wrapper.offsetWidth;
- this.wrapperHeight = display.wrapper.clientHeight;
- this.wrapperWidth = display.wrapper.clientWidth;
- this.oldDisplayWidth = displayWidth(cm);
- this.force = force;
- this.dims = getDimensions(cm);
- this.events = [];
-};
-DisplayUpdate.prototype.signal = function (emitter, type) {
- if (hasHandler(emitter, type))
- { this.events.push(arguments); }
-};
-DisplayUpdate.prototype.finish = function () {
- var this$1 = this;
-
- for (var i = 0; i < this.events.length; i++)
- { signal.apply(null, this$1.events[i]); }
-};
-
-function maybeClipScrollbars(cm) {
- var display = cm.display;
- if (!display.scrollbarsClipped && display.scroller.offsetWidth) {
- display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;
- display.heightForcer.style.height = scrollGap(cm) + "px";
- display.sizer.style.marginBottom = -display.nativeBarWidth + "px";
- display.sizer.style.borderRightWidth = scrollGap(cm) + "px";
- display.scrollbarsClipped = true;
- }
-}
-
-function selectionSnapshot(cm) {
- if (cm.hasFocus()) { return null }
- var active = activeElt();
- if (!active || !contains(cm.display.lineDiv, active)) { return null }
- var result = {activeElt: active};
- if (window.getSelection) {
- var sel = window.getSelection();
- if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {
- result.anchorNode = sel.anchorNode;
- result.anchorOffset = sel.anchorOffset;
- result.focusNode = sel.focusNode;
- result.focusOffset = sel.focusOffset;
- }
- }
- return result
-}
-
-function restoreSelection(snapshot) {
- if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }
- snapshot.activeElt.focus();
- if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {
- var sel = window.getSelection(), range$$1 = document.createRange();
- range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);
- range$$1.collapse(false);
- sel.removeAllRanges();
- sel.addRange(range$$1);
- sel.extend(snapshot.focusNode, snapshot.focusOffset);
+ function contextMenuInGutter(cm, e) {
+ if (!hasHandler(cm, "gutterContextMenu")) { return false }
+ return gutterEvent(cm, e, "gutterContextMenu", false)
}
-}
-// Does the actual updating of the line display. Bails out
-// (returning false) when there is nothing to be done and forced is
-// false.
-function updateDisplayIfNeeded(cm, update) {
- var display = cm.display, doc = cm.doc;
-
- if (update.editorIsHidden) {
- resetView(cm);
- return false
+ function themeChanged(cm) {
+ cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
+ cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
+ clearCaches(cm);
}
- // Bail out if the visible area is already rendered and nothing changed.
- if (!update.force &&
- update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&
- display.renderedView == display.view && countDirtyView(cm) == 0)
- { return false }
-
- if (maybeUpdateLineNumberWidth(cm)) {
- resetView(cm);
- update.dims = getDimensions(cm);
- }
-
- // Compute a suitable new viewport (from & to)
- var end = doc.first + doc.size;
- var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);
- var to = Math.min(end, update.visible.to + cm.options.viewportMargin);
- if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }
- if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }
- if (sawCollapsedSpans) {
- from = visualLineNo(cm.doc, from);
- to = visualLineEndNo(cm.doc, to);
- }
-
- var different = from != display.viewFrom || to != display.viewTo ||
- display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;
- adjustView(cm, from, to);
-
- display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));
- // Position the mover div to align with the current scroll position
- cm.display.mover.style.top = display.viewOffset + "px";
-
- var toUpdate = countDirtyView(cm);
- if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&
- (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))
- { return false }
-
- // For big changes, we hide the enclosing element during the
- // update, since that speeds up the operations on most browsers.
- var selSnapshot = selectionSnapshot(cm);
- if (toUpdate > 4) { display.lineDiv.style.display = "none"; }
- patchDisplay(cm, display.updateLineNumbers, update.dims);
- if (toUpdate > 4) { display.lineDiv.style.display = ""; }
- display.renderedView = display.view;
- // There might have been a widget with a focused element that got
- // hidden or updated, if so re-focus it.
- restoreSelection(selSnapshot);
-
- // Prevent selection and cursors from interfering with the scroll
- // width and height.
- removeChildren(display.cursorDiv);
- removeChildren(display.selectionDiv);
- display.gutters.style.height = display.sizer.style.minHeight = 0;
-
- if (different) {
- display.lastWrapHeight = update.wrapperHeight;
- display.lastWrapWidth = update.wrapperWidth;
- startWorker(cm, 400);
- }
+ var Init = {toString: function(){return "CodeMirror.Init"}};
- display.updateLineNumbers = null;
+ var defaults = {};
+ var optionHandlers = {};
- return true
-}
+ function defineOptions(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
-function postUpdateDisplay(cm, update) {
- var viewport = update.viewport;
-
- for (var first = true;; first = false) {
- if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {
- // Clip forced viewport to actual scrollable area.
- if (viewport && viewport.top != null)
- { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }
- // Updated line heights might result in the drawn area not
- // actually covering the viewport. Keep looping until it does.
- update.visible = visibleLines(cm.display, cm.doc, viewport);
- if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)
- { break }
+ function option(name, deflt, handle, notOnInit) {
+ CodeMirror.defaults[name] = deflt;
+ if (handle) { optionHandlers[name] =
+ notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
}
- if (!updateDisplayIfNeeded(cm, update)) { break }
- updateHeightsInViewport(cm);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- updateScrollbars(cm, barMeasure);
- setDocumentHeight(cm, barMeasure);
- update.force = false;
- }
- update.signal(cm, "update", cm);
- if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {
- update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);
- cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;
- }
-}
-
-function updateDisplaySimple(cm, viewport) {
- var update = new DisplayUpdate(cm, viewport);
- if (updateDisplayIfNeeded(cm, update)) {
- updateHeightsInViewport(cm);
- postUpdateDisplay(cm, update);
- var barMeasure = measureForScrollbars(cm);
- updateSelection(cm);
- updateScrollbars(cm, barMeasure);
- setDocumentHeight(cm, barMeasure);
- update.finish();
- }
-}
+ CodeMirror.defineOption = option;
-// Sync the actual display DOM structure with display.view, removing
-// nodes for lines that are no longer in view, and creating the ones
-// that are not there yet, and updating the ones that are out of
-// date.
-function patchDisplay(cm, updateNumbersFrom, dims) {
- var display = cm.display, lineNumbers = cm.options.lineNumbers;
- var container = display.lineDiv, cur = container.firstChild;
-
- function rm(node) {
- var next = node.nextSibling;
- // Works around a throw-scroll bug in OS X Webkit
- if (webkit && mac && cm.display.currentWheelTarget == node)
- { node.style.display = "none"; }
- else
- { node.parentNode.removeChild(node); }
- return next
- }
-
- var view = display.view, lineN = display.viewFrom;
- // Loop over the elements in the view, syncing cur (the DOM nodes
- // in display.lineDiv) with the view as we go.
- for (var i = 0; i < view.length; i++) {
- var lineView = view[i];
- if (lineView.hidden) {
- } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet
- var node = buildLineElement(cm, lineView, lineN, dims);
- container.insertBefore(node, cur);
- } else { // Already drawn
- while (cur != lineView.node) { cur = rm(cur); }
- var updateNumber = lineNumbers && updateNumbersFrom != null &&
- updateNumbersFrom <= lineN && lineView.lineNumber;
- if (lineView.changes) {
- if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }
- updateLineForChanges(cm, lineView, lineN, dims);
- }
- if (updateNumber) {
- removeChildren(lineView.lineNumber);
- lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));
- }
- cur = lineView.node.nextSibling;
- }
- lineN += lineView.size;
- }
- while (cur) { cur = rm(cur); }
-}
+ // Passed to option handlers when there is no old value.
+ CodeMirror.Init = Init;
-function updateGutterSpace(cm) {
- var width = cm.display.gutters.offsetWidth;
- cm.display.sizer.style.marginLeft = width + "px";
-}
+ // These two are, on init, called from the constructor because they
+ // have to be initialized before the editor can start at all.
+ option("value", "", function (cm, val) { return cm.setValue(val); }, true);
+ option("mode", null, function (cm, val) {
+ cm.doc.modeOption = val;
+ loadMode(cm);
+ }, true);
-function setDocumentHeight(cm, measure) {
- cm.display.sizer.style.minHeight = measure.docHeight + "px";
- cm.display.heightForcer.style.top = measure.docHeight + "px";
- cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";
-}
+ option("indentUnit", 2, loadMode, true);
+ option("indentWithTabs", false);
+ option("smartIndent", true);
+ option("tabSize", 4, function (cm) {
+ resetModeState(cm);
+ clearCaches(cm);
+ regChange(cm);
+ }, true);
-// Rebuild the gutter elements, ensure the margin to the left of the
-// code matches their width.
-function updateGutters(cm) {
- var gutters = cm.display.gutters, specs = cm.options.gutters;
- removeChildren(gutters);
- var i = 0;
- for (; i < specs.length; ++i) {
- var gutterClass = specs[i];
- var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));
- if (gutterClass == "CodeMirror-linenumbers") {
- cm.display.lineGutter = gElt;
- gElt.style.width = (cm.display.lineNumWidth || 1) + "px";
- }
- }
- gutters.style.display = i ? "" : "none";
- updateGutterSpace(cm);
-}
+ option("lineSeparator", null, function (cm, val) {
+ cm.doc.lineSep = val;
+ if (!val) { return }
+ var newBreaks = [], lineNo = cm.doc.first;
+ cm.doc.iter(function (line) {
+ for (var pos = 0;;) {
+ var found = line.text.indexOf(val, pos);
+ if (found == -1) { break }
+ pos = found + val.length;
+ newBreaks.push(Pos(lineNo, found));
+ }
+ lineNo++;
+ });
+ for (var i = newBreaks.length - 1; i >= 0; i--)
+ { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
+ });
+ option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff\ufff9-\ufffc]/g, function (cm, val, old) {
+ cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
+ if (old != Init) { cm.refresh(); }
+ });
+ option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
+ option("electricChars", true);
+ option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
+ throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
+ }, true);
+ option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
+ option("autocorrect", false, function (cm, val) { return cm.getInputField().autocorrect = val; }, true);
+ option("autocapitalize", false, function (cm, val) { return cm.getInputField().autocapitalize = val; }, true);
+ option("rtlMoveVisually", !windows);
+ option("wholeLineUpdateBefore", true);
+
+ option("theme", "default", function (cm) {
+ themeChanged(cm);
+ updateGutters(cm);
+ }, true);
+ option("keyMap", "default", function (cm, val, old) {
+ var next = getKeyMap(val);
+ var prev = old != Init && getKeyMap(old);
+ if (prev && prev.detach) { prev.detach(cm, next); }
+ if (next.attach) { next.attach(cm, prev || null); }
+ });
+ option("extraKeys", null);
+ option("configureMouse", null);
+
+ option("lineWrapping", false, wrappingChanged, true);
+ option("gutters", [], function (cm, val) {
+ cm.display.gutterSpecs = getGutters(val, cm.options.lineNumbers);
+ updateGutters(cm);
+ }, true);
+ option("fixedGutter", true, function (cm, val) {
+ cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
+ cm.refresh();
+ }, true);
+ option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
+ option("scrollbarStyle", "native", function (cm) {
+ initScrollbars(cm);
+ updateScrollbars(cm);
+ cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
+ cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
+ }, true);
+ option("lineNumbers", false, function (cm, val) {
+ cm.display.gutterSpecs = getGutters(cm.options.gutters, val);
+ updateGutters(cm);
+ }, true);
+ option("firstLineNumber", 1, updateGutters, true);
+ option("lineNumberFormatter", function (integer) { return integer; }, updateGutters, true);
+ option("showCursorWhenSelecting", false, updateSelection, true);
+
+ option("resetSelectionOnContextMenu", true);
+ option("lineWiseCopyCut", true);
+ option("pasteLinesPerSelection", true);
+ option("selectionsMayTouch", false);
+
+ option("readOnly", false, function (cm, val) {
+ if (val == "nocursor") {
+ onBlur(cm);
+ cm.display.input.blur();
+ }
+ cm.display.input.readOnlyChanged(val);
+ });
+ option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
+ option("dragDrop", true, dragDropChanged);
+ option("allowDropFileTypes", null);
+
+ option("cursorBlinkRate", 530);
+ option("cursorScrollMargin", 0);
+ option("cursorHeight", 1, updateSelection, true);
+ option("singleCursorHeightPerLine", true, updateSelection, true);
+ option("workTime", 100);
+ option("workDelay", 100);
+ option("flattenSpans", true, resetModeState, true);
+ option("addModeClass", false, resetModeState, true);
+ option("pollInterval", 100);
+ option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
+ option("historyEventDelay", 1250);
+ option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
+ option("maxHighlightLength", 10000, resetModeState, true);
+ option("moveInputWithCursor", true, function (cm, val) {
+ if (!val) { cm.display.input.resetPosition(); }
+ });
-// Make sure the gutters options contains the element
-// "CodeMirror-linenumbers" when the lineNumbers option is true.
-function setGuttersForLineNumbers(options) {
- var found = indexOf(options.gutters, "CodeMirror-linenumbers");
- if (found == -1 && options.lineNumbers) {
- options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);
- } else if (found > -1 && !options.lineNumbers) {
- options.gutters = options.gutters.slice(0);
- options.gutters.splice(found, 1);
+ option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
+ option("autofocus", null);
+ option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
+ option("phrases", null);
}
-}
-
-// Since the delta values reported on mouse wheel events are
-// unstandardized between browsers and even browser versions, and
-// generally horribly unpredictable, this code starts by measuring
-// the scroll effect that the first few mouse wheel events have,
-// and, from that, detects the way it can convert deltas to pixel
-// offsets afterwards.
-//
-// The reason we want to know the amount a wheel event will scroll
-// is that it gives us a chance to update the display before the
-// actual scrolling happens, reducing flickering.
-
-var wheelSamples = 0;
-var wheelPixelsPerUnit = null;
-// Fill in a browser-detected starting value on browsers where we
-// know one. These don't have to be accurate -- the result of them
-// being wrong would just be a slight flicker on the first wheel
-// scroll (if it is large enough).
-if (ie) { wheelPixelsPerUnit = -.53; }
-else if (gecko) { wheelPixelsPerUnit = 15; }
-else if (chrome) { wheelPixelsPerUnit = -.7; }
-else if (safari) { wheelPixelsPerUnit = -1/3; }
-
-function wheelEventDelta(e) {
- var dx = e.wheelDeltaX, dy = e.wheelDeltaY;
- if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }
- if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }
- else if (dy == null) { dy = e.wheelDelta; }
- return {x: dx, y: dy}
-}
-function wheelEventPixels(e) {
- var delta = wheelEventDelta(e);
- delta.x *= wheelPixelsPerUnit;
- delta.y *= wheelPixelsPerUnit;
- return delta
-}
-function onScrollWheel(cm, e) {
- var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;
-
- var display = cm.display, scroll = display.scroller;
- // Quit if there's nothing to scroll here
- var canScrollX = scroll.scrollWidth > scroll.clientWidth;
- var canScrollY = scroll.scrollHeight > scroll.clientHeight;
- if (!(dx && canScrollX || dy && canScrollY)) { return }
-
- // Webkit browsers on OS X abort momentum scrolls when the target
- // of the scroll event is removed from the scrollable element.
- // This hack (see related code in patchDisplay) makes sure the
- // element is kept around.
- if (dy && mac && webkit) {
- outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {
- for (var i = 0; i < view.length; i++) {
- if (view[i].node == cur) {
- cm.display.currentWheelTarget = cur;
- break outer
- }
- }
- }
- }
-
- // On some browsers, horizontal scrolling will cause redraws to
- // happen before the gutter has been realigned, causing it to
- // wriggle around in a most unseemly way. When we have an
- // estimated pixels/delta value, we just handle horizontal
- // scrolling entirely here. It'll be slightly off from native, but
- // better than glitching out.
- if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {
- if (dy && canScrollY)
- { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }
- setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));
- // Only prevent default scrolling if vertical scrolling is
- // actually possible. Otherwise, it causes vertical scroll
- // jitter on OSX trackpads when deltaX is small and deltaY
- // is large (issue #3579)
- if (!dy || (dy && canScrollY))
- { e_preventDefault(e); }
- display.wheelStartX = null; // Abort measurement, if in progress
- return
- }
-
- // 'Project' the visible viewport to cover the area that is being
- // scrolled into view (if we know enough to estimate it).
- if (dy && wheelPixelsPerUnit != null) {
- var pixels = dy * wheelPixelsPerUnit;
- var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;
- if (pixels < 0) { top = Math.max(0, top + pixels - 50); }
- else { bot = Math.min(cm.doc.height, bot + pixels + 50); }
- updateDisplaySimple(cm, {top: top, bottom: bot});
- }
-
- if (wheelSamples < 20) {
- if (display.wheelStartX == null) {
- display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;
- display.wheelDX = dx; display.wheelDY = dy;
- setTimeout(function () {
- if (display.wheelStartX == null) { return }
- var movedX = scroll.scrollLeft - display.wheelStartX;
- var movedY = scroll.scrollTop - display.wheelStartY;
- var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||
- (movedX && display.wheelDX && movedX / display.wheelDX);
- display.wheelStartX = display.wheelStartY = null;
- if (!sample) { return }
- wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);
- ++wheelSamples;
- }, 200);
- } else {
- display.wheelDX += dx; display.wheelDY += dy;
+ function dragDropChanged(cm, value, old) {
+ var wasOn = old && old != Init;
+ if (!value != !wasOn) {
+ var funcs = cm.display.dragFunctions;
+ var toggle = value ? on : off;
+ toggle(cm.display.scroller, "dragstart", funcs.start);
+ toggle(cm.display.scroller, "dragenter", funcs.enter);
+ toggle(cm.display.scroller, "dragover", funcs.over);
+ toggle(cm.display.scroller, "dragleave", funcs.leave);
+ toggle(cm.display.scroller, "drop", funcs.drop);
}
}
-}
-
-// Selection objects are immutable. A new one is created every time
-// the selection changes. A selection is one or more non-overlapping
-// (and non-touching) ranges, sorted, and an integer that indicates
-// which one is the primary selection (the one that's scrolled into
-// view, that getCursor returns, etc).
-var Selection = function(ranges, primIndex) {
- this.ranges = ranges;
- this.primIndex = primIndex;
-};
-
-Selection.prototype.primary = function () { return this.ranges[this.primIndex] };
-Selection.prototype.equals = function (other) {
- var this$1 = this;
-
- if (other == this) { return true }
- if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }
- for (var i = 0; i < this.ranges.length; i++) {
- var here = this$1.ranges[i], there = other.ranges[i];
- if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }
+ function wrappingChanged(cm) {
+ if (cm.options.lineWrapping) {
+ addClass(cm.display.wrapper, "CodeMirror-wrap");
+ cm.display.sizer.style.minWidth = "";
+ cm.display.sizerWidth = null;
+ } else {
+ rmClass(cm.display.wrapper, "CodeMirror-wrap");
+ findMaxLine(cm);
+ }
+ estimateLineHeights(cm);
+ regChange(cm);
+ clearCaches(cm);
+ setTimeout(function () { return updateScrollbars(cm); }, 100);
}
- return true
-};
-
-Selection.prototype.deepCopy = function () {
- var this$1 = this;
- var out = [];
- for (var i = 0; i < this.ranges.length; i++)
- { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }
- return new Selection(out, this.primIndex)
-};
+ // A CodeMirror instance represents an editor. This is the object
+ // that user code is usually dealing with.
-Selection.prototype.somethingSelected = function () {
+ function CodeMirror(place, options) {
var this$1 = this;
- for (var i = 0; i < this.ranges.length; i++)
- { if (!this$1.ranges[i].empty()) { return true } }
- return false
-};
-
-Selection.prototype.contains = function (pos, end) {
- var this$1 = this;
+ if (!(this instanceof CodeMirror)) { return new CodeMirror(place, options) }
+
+ this.options = options = options ? copyObj(options) : {};
+ // Determine effective options based on given values and defaults.
+ copyObj(defaults, options, false);
+
+ var doc = options.value;
+ if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
+ else if (options.mode) { doc.modeOption = options.mode; }
+ this.doc = doc;
+
+ var input = new CodeMirror.inputStyles[options.inputStyle](this);
+ var display = this.display = new Display(place, doc, input, options);
+ display.wrapper.CodeMirror = this;
+ themeChanged(this);
+ if (options.lineWrapping)
+ { this.display.wrapper.className += " CodeMirror-wrap"; }
+ initScrollbars(this);
+
+ this.state = {
+ keyMaps: [], // stores maps added by addKeyMap
+ overlays: [], // highlighting overlays, as added by addOverlay
+ modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
+ overwrite: false,
+ delayingBlurEvent: false,
+ focused: false,
+ suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
+ pasteIncoming: -1, cutIncoming: -1, // help recognize paste/cut edits in input.poll
+ selectingText: false,
+ draggingText: false,
+ highlight: new Delayed(), // stores highlight worker timeout
+ keySeq: null, // Unfinished key sequence
+ specialChars: null
+ };
- if (!end) { end = pos; }
- for (var i = 0; i < this.ranges.length; i++) {
- var range = this$1.ranges[i];
- if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)
- { return i }
- }
- return -1
-};
+ if (options.autofocus && !mobile) { display.input.focus(); }
-var Range = function(anchor, head) {
- this.anchor = anchor; this.head = head;
-};
+ // Override magic textarea content restore that IE sometimes does
+ // on our hidden textarea on reload
+ if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }
-Range.prototype.from = function () { return minPos(this.anchor, this.head) };
-Range.prototype.to = function () { return maxPos(this.anchor, this.head) };
-Range.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };
-
-// Take an unsorted, potentially overlapping set of ranges, and
-// build a selection out of it. 'Consumes' ranges array (modifying
-// it).
-function normalizeSelection(ranges, primIndex) {
- var prim = ranges[primIndex];
- ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });
- primIndex = indexOf(ranges, prim);
- for (var i = 1; i < ranges.length; i++) {
- var cur = ranges[i], prev = ranges[i - 1];
- if (cmp(prev.to(), cur.from()) >= 0) {
- var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());
- var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;
- if (i <= primIndex) { --primIndex; }
- ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));
- }
- }
- return new Selection(ranges, primIndex)
-}
+ registerEventHandlers(this);
+ ensureGlobalHandlers();
-function simpleSelection(anchor, head) {
- return new Selection([new Range(anchor, head || anchor)], 0)
-}
+ startOperation(this);
+ this.curOp.forceUpdate = true;
+ attachDoc(this, doc);
-// Compute the position of the end of a change (its 'to' property
-// refers to the pre-change end).
-function changeEnd(change) {
- if (!change.text) { return change.to }
- return Pos(change.from.line + change.text.length - 1,
- lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))
-}
+ if ((options.autofocus && !mobile) || this.hasFocus())
+ { setTimeout(bind(onFocus, this), 20); }
+ else
+ { onBlur(this); }
+
+ for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
+ { optionHandlers[opt](this$1, options[opt], Init); } }
+ maybeUpdateLineNumberWidth(this);
+ if (options.finishInit) { options.finishInit(this); }
+ for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }
+ endOperation(this);
+ // Suppress optimizelegibility in Webkit, since it breaks text
+ // measuring on line wrapping boundaries.
+ if (webkit && options.lineWrapping &&
+ getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
+ { display.lineDiv.style.textRendering = "auto"; }
+ }
+
+ // The default configuration options.
+ CodeMirror.defaults = defaults;
+ // Functions to run when options are changed.
+ CodeMirror.optionHandlers = optionHandlers;
+
+ // Attach the necessary event handlers when initializing the editor
+ function registerEventHandlers(cm) {
+ var d = cm.display;
+ on(d.scroller, "mousedown", operation(cm, onMouseDown));
+ // Older IE's will not fire a second mousedown for a double click
+ if (ie && ie_version < 11)
+ { on(d.scroller, "dblclick", operation(cm, function (e) {
+ if (signalDOMEvent(cm, e)) { return }
+ var pos = posFromMouse(cm, e);
+ if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
+ e_preventDefault(e);
+ var word = cm.findWordAt(pos);
+ extendSelection(cm.doc, word.anchor, word.head);
+ })); }
+ else
+ { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
+ // Some browsers fire contextmenu *after* opening the menu, at
+ // which point we can't mess with it anymore. Context menu is
+ // handled in onMouseDown for these browsers.
+ on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); });
+
+ // Used to suppress mouse event handling when a touch happens
+ var touchFinished, prevTouch = {end: 0};
+ function finishTouch() {
+ if (d.activeTouch) {
+ touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
+ prevTouch = d.activeTouch;
+ prevTouch.end = +new Date;
+ }
+ }
+ function isMouseLikeTouchEvent(e) {
+ if (e.touches.length != 1) { return false }
+ var touch = e.touches[0];
+ return touch.radiusX <= 1 && touch.radiusY <= 1
+ }
+ function farAway(touch, other) {
+ if (other.left == null) { return true }
+ var dx = other.left - touch.left, dy = other.top - touch.top;
+ return dx * dx + dy * dy > 20 * 20
+ }
+ on(d.scroller, "touchstart", function (e) {
+ if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
+ d.input.ensurePolled();
+ clearTimeout(touchFinished);
+ var now = +new Date;
+ d.activeTouch = {start: now, moved: false,
+ prev: now - prevTouch.end <= 300 ? prevTouch : null};
+ if (e.touches.length == 1) {
+ d.activeTouch.left = e.touches[0].pageX;
+ d.activeTouch.top = e.touches[0].pageY;
+ }
+ }
+ });
+ on(d.scroller, "touchmove", function () {
+ if (d.activeTouch) { d.activeTouch.moved = true; }
+ });
+ on(d.scroller, "touchend", function (e) {
+ var touch = d.activeTouch;
+ if (touch && !eventInWidget(d, e) && touch.left != null &&
+ !touch.moved && new Date - touch.start < 300) {
+ var pos = cm.coordsChar(d.activeTouch, "page"), range;
+ if (!touch.prev || farAway(touch, touch.prev)) // Single tap
+ { range = new Range(pos, pos); }
+ else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
+ { range = cm.findWordAt(pos); }
+ else // Triple tap
+ { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
+ cm.setSelection(range.anchor, range.head);
+ cm.focus();
+ e_preventDefault(e);
+ }
+ finishTouch();
+ });
+ on(d.scroller, "touchcancel", finishTouch);
-// Adjust a position to refer to the post-change position of the
-// same text, or the end of the change if the change covers it.
-function adjustForChange(pos, change) {
- if (cmp(pos, change.from) < 0) { return pos }
- if (cmp(pos, change.to) <= 0) { return changeEnd(change) }
+ // Sync scrolling between fake scrollbars and real scrollable
+ // area, ensure viewport is updated when scrolling.
+ on(d.scroller, "scroll", function () {
+ if (d.scroller.clientHeight) {
+ updateScrollTop(cm, d.scroller.scrollTop);
+ setScrollLeft(cm, d.scroller.scrollLeft, true);
+ signal(cm, "scroll", cm);
+ }
+ });
- var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;
- if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }
- return Pos(line, ch)
-}
+ // Listen to wheel events in order to try and update the viewport on time.
+ on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
+ on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });
-function computeSelAfterChange(doc, change) {
- var out = [];
- for (var i = 0; i < doc.sel.ranges.length; i++) {
- var range = doc.sel.ranges[i];
- out.push(new Range(adjustForChange(range.anchor, change),
- adjustForChange(range.head, change)));
- }
- return normalizeSelection(out, doc.sel.primIndex)
-}
+ // Prevent wrapper from ever scrolling
+ on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-function offsetPos(pos, old, nw) {
- if (pos.line == old.line)
- { return Pos(nw.line, pos.ch - old.ch + nw.ch) }
- else
- { return Pos(nw.line + (pos.line - old.line), pos.ch) }
-}
+ d.dragFunctions = {
+ enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
+ over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
+ start: function (e) { return onDragStart(cm, e); },
+ drop: operation(cm, onDrop),
+ leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
+ };
-// Used by replaceSelections to allow moving the selection to the
-// start or around the replaced test. Hint may be "start" or "around".
-function computeReplacedSel(doc, changes, hint) {
- var out = [];
- var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;
- for (var i = 0; i < changes.length; i++) {
- var change = changes[i];
- var from = offsetPos(change.from, oldPrev, newPrev);
- var to = offsetPos(changeEnd(change), oldPrev, newPrev);
- oldPrev = change.to;
- newPrev = to;
- if (hint == "around") {
- var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;
- out[i] = new Range(inv ? to : from, inv ? from : to);
+ var inp = d.input.getField();
+ on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
+ on(inp, "keydown", operation(cm, onKeyDown));
+ on(inp, "keypress", operation(cm, onKeyPress));
+ on(inp, "focus", function (e) { return onFocus(cm, e); });
+ on(inp, "blur", function (e) { return onBlur(cm, e); });
+ }
+
+ var initHooks = [];
+ CodeMirror.defineInitHook = function (f) { return initHooks.push(f); };
+
+ // Indent the given line. The how parameter can be "smart",
+ // "add"/null, "subtract", or "prev". When aggressive is false
+ // (typically set to true for forced single-line indents), empty
+ // lines are not indented, and places where the mode returns Pass
+ // are left alone.
+ function indentLine(cm, n, how, aggressive) {
+ var doc = cm.doc, state;
+ if (how == null) { how = "add"; }
+ if (how == "smart") {
+ // Fall back to "prev" when the mode doesn't have an indentation
+ // method.
+ if (!doc.mode.indent) { how = "prev"; }
+ else { state = getContextBefore(cm, n).state; }
+ }
+
+ var tabSize = cm.options.tabSize;
+ var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
+ if (line.stateAfter) { line.stateAfter = null; }
+ var curSpaceString = line.text.match(/^\s*/)[0], indentation;
+ if (!aggressive && !/\S/.test(line.text)) {
+ indentation = 0;
+ how = "not";
+ } else if (how == "smart") {
+ indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
+ if (indentation == Pass || indentation > 150) {
+ if (!aggressive) { return }
+ how = "prev";
+ }
+ }
+ if (how == "prev") {
+ if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
+ else { indentation = 0; }
+ } else if (how == "add") {
+ indentation = curSpace + cm.options.indentUnit;
+ } else if (how == "subtract") {
+ indentation = curSpace - cm.options.indentUnit;
+ } else if (typeof how == "number") {
+ indentation = curSpace + how;
+ }
+ indentation = Math.max(0, indentation);
+
+ var indentString = "", pos = 0;
+ if (cm.options.indentWithTabs)
+ { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
+ if (pos < indentation) { indentString += spaceStr(indentation - pos); }
+
+ if (indentString != curSpaceString) {
+ replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
+ line.stateAfter = null;
+ return true
} else {
- out[i] = new Range(from, from);
+ // Ensure that, if the cursor was in the whitespace at the start
+ // of the line, it is moved to the end of that space.
+ for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
+ var range = doc.sel.ranges[i$1];
+ if (range.head.line == n && range.head.ch < curSpaceString.length) {
+ var pos$1 = Pos(n, curSpaceString.length);
+ replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
+ break
+ }
+ }
}
}
- return new Selection(out, doc.sel.primIndex)
-}
-// Used to get the editor into a consistent state again when options change.
+ // This will be set to a {lineWise: bool, text: [string]} object, so
+ // that, when pasting, we know what kind of selections the copied
+ // text was made out of.
+ var lastCopied = null;
-function loadMode(cm) {
- cm.doc.mode = getMode(cm.options, cm.doc.modeOption);
- resetModeState(cm);
-}
+ function setLastCopied(newLastCopied) {
+ lastCopied = newLastCopied;
+ }
-function resetModeState(cm) {
- cm.doc.iter(function (line) {
- if (line.stateAfter) { line.stateAfter = null; }
- if (line.styles) { line.styles = null; }
- });
- cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;
- startWorker(cm, 100);
- cm.state.modeGen++;
- if (cm.curOp) { regChange(cm); }
-}
+ function applyTextInput(cm, inserted, deleted, sel, origin) {
+ var doc = cm.doc;
+ cm.display.shift = false;
+ if (!sel) { sel = doc.sel; }
-// DOCUMENT DATA STRUCTURE
+ var recent = +new Date - 200;
+ var paste = origin == "paste" || cm.state.pasteIncoming > recent;
+ var textLines = splitLinesAuto(inserted), multiPaste = null;
+ // When pasting N lines into N selections, insert one line per selection
+ if (paste && sel.ranges.length > 1) {
+ if (lastCopied && lastCopied.text.join("\n") == inserted) {
+ if (sel.ranges.length % lastCopied.text.length == 0) {
+ multiPaste = [];
+ for (var i = 0; i < lastCopied.text.length; i++)
+ { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
+ }
+ } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
+ multiPaste = map(textLines, function (l) { return [l]; });
+ }
+ }
-// By default, updates that start and end at the beginning of a line
-// are treated specially, in order to make the association of line
-// widgets and marker elements with the text behave more intuitive.
-function isWholeLineUpdate(doc, change) {
- return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&
- (!doc.cm || doc.cm.options.wholeLineUpdateBefore)
-}
+ var updateInput = cm.curOp.updateInput;
+ // Normal behavior is to insert the new text into every selection
+ for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
+ var range$$1 = sel.ranges[i$1];
+ var from = range$$1.from(), to = range$$1.to();
+ if (range$$1.empty()) {
+ if (deleted && deleted > 0) // Handle deletion
+ { from = Pos(from.line, from.ch - deleted); }
+ else if (cm.state.overwrite && !paste) // Handle overwrite
+ { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
+ else if (paste && lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
+ { from = to = Pos(from.line, 0); }
+ }
+ var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
+ origin: origin || (paste ? "paste" : cm.state.cutIncoming > recent ? "cut" : "+input")};
+ makeChange(cm.doc, changeEvent);
+ signalLater(cm, "inputRead", cm, changeEvent);
+ }
+ if (inserted && !paste)
+ { triggerElectric(cm, inserted); }
-// Perform a change on the document data structure.
-function updateDoc(doc, change, markedSpans, estimateHeight$$1) {
- function spansFor(n) {return markedSpans ? markedSpans[n] : null}
- function update(line, text, spans) {
- updateLine(line, text, spans, estimateHeight$$1);
- signalLater(line, "change", line, change);
- }
- function linesFor(start, end) {
- var result = [];
- for (var i = start; i < end; ++i)
- { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }
- return result
+ ensureCursorVisible(cm);
+ if (cm.curOp.updateInput < 2) { cm.curOp.updateInput = updateInput; }
+ cm.curOp.typing = true;
+ cm.state.pasteIncoming = cm.state.cutIncoming = -1;
}
- var from = change.from, to = change.to, text = change.text;
- var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);
- var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;
-
- // Adjust the line structure
- if (change.full) {
- doc.insert(0, linesFor(0, text.length));
- doc.remove(text.length, doc.size - text.length);
- } else if (isWholeLineUpdate(doc, change)) {
- // This is a whole-line replace. Treated specially to make
- // sure line objects move the way they are supposed to.
- var added = linesFor(0, text.length - 1);
- update(lastLine, lastLine.text, lastSpans);
- if (nlines) { doc.remove(from.line, nlines); }
- if (added.length) { doc.insert(from.line, added); }
- } else if (firstLine == lastLine) {
- if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);
- } else {
- var added$1 = linesFor(1, text.length - 1);
- added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- doc.insert(from.line + 1, added$1);
+ function handlePaste(e, cm) {
+ var pasted = e.clipboardData && e.clipboardData.getData("Text");
+ if (pasted) {
+ e.preventDefault();
+ if (!cm.isReadOnly() && !cm.options.disableInput)
+ { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
+ return true
}
- } else if (text.length == 1) {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));
- doc.remove(from.line + 1, nlines);
- } else {
- update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));
- update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);
- var added$2 = linesFor(1, text.length - 1);
- if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }
- doc.insert(from.line + 1, added$2);
- }
-
- signalLater(doc, "change", doc, change);
-}
-
-// Call f for all linked documents.
-function linkedDocs(doc, f, sharedHistOnly) {
- function propagate(doc, skip, sharedHist) {
- if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {
- var rel = doc.linked[i];
- if (rel.doc == skip) { continue }
- var shared = sharedHist && rel.sharedHist;
- if (sharedHistOnly && !shared) { continue }
- f(rel.doc, shared);
- propagate(rel.doc, doc, shared);
- } }
}
- propagate(doc, null, true);
-}
-// Attach a document to an editor.
-function attachDoc(cm, doc) {
- if (doc.cm) { throw new Error("This document is already in use.") }
- cm.doc = doc;
- doc.cm = cm;
- estimateLineHeights(cm);
- loadMode(cm);
- setDirectionClass(cm);
- if (!cm.options.lineWrapping) { findMaxLine(cm); }
- cm.options.mode = doc.modeOption;
- regChange(cm);
-}
+ function triggerElectric(cm, inserted) {
+ // When an 'electric' character is inserted, immediately trigger a reindent
+ if (!cm.options.electricChars || !cm.options.smartIndent) { return }
+ var sel = cm.doc.sel;
-function setDirectionClass(cm) {
- (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");
-}
+ for (var i = sel.ranges.length - 1; i >= 0; i--) {
+ var range$$1 = sel.ranges[i];
+ if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }
+ var mode = cm.getModeAt(range$$1.head);
+ var indented = false;
+ if (mode.electricChars) {
+ for (var j = 0; j < mode.electricChars.length; j++)
+ { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
+ indented = indentLine(cm, range$$1.head.line, "smart");
+ break
+ } }
+ } else if (mode.electricInput) {
+ if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))
+ { indented = indentLine(cm, range$$1.head.line, "smart"); }
+ }
+ if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }
+ }
+ }
+
+ function copyableRanges(cm) {
+ var text = [], ranges = [];
+ for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
+ var line = cm.doc.sel.ranges[i].head.line;
+ var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
+ ranges.push(lineRange);
+ text.push(cm.getRange(lineRange.anchor, lineRange.head));
+ }
+ return {text: text, ranges: ranges}
+ }
+
+ function disableBrowserMagic(field, spellcheck, autocorrect, autocapitalize) {
+ field.setAttribute("autocorrect", autocorrect ? "" : "off");
+ field.setAttribute("autocapitalize", autocapitalize ? "" : "off");
+ field.setAttribute("spellcheck", !!spellcheck);
+ }
+
+ function hiddenTextarea() {
+ var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
+ var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
+ // The textarea is kept positioned near the cursor to prevent the
+ // fact that it'll be scrolled into view on input from scrolling
+ // our fake cursor out of view. On webkit, when wrap=off, paste is
+ // very slow. So make the area wide instead.
+ if (webkit) { te.style.width = "1000px"; }
+ else { te.setAttribute("wrap", "off"); }
+ // If border: 0; -- iOS fails to open keyboard (issue #1287)
+ if (ios) { te.style.border = "1px solid black"; }
+ disableBrowserMagic(te);
+ return div
+ }
+
+ // The publicly visible API. Note that methodOp(f) means
+ // 'wrap f in an operation, performed on its `this` parameter'.
+
+ // This is not the complete set of editor methods. Most of the
+ // methods defined on the Doc type are also injected into
+ // CodeMirror.prototype, for backwards compatibility and
+ // convenience.
+
+ function addEditorMethods(CodeMirror) {
+ var optionHandlers = CodeMirror.optionHandlers;
+
+ var helpers = CodeMirror.helpers = {};
+
+ CodeMirror.prototype = {
+ constructor: CodeMirror,
+ focus: function(){window.focus(); this.display.input.focus();},
+
+ setOption: function(option, value) {
+ var options = this.options, old = options[option];
+ if (options[option] == value && option != "mode") { return }
+ options[option] = value;
+ if (optionHandlers.hasOwnProperty(option))
+ { operation(this, optionHandlers[option])(this, value, old); }
+ signal(this, "optionChange", this, option);
+ },
-function directionChanged(cm) {
- runInOp(cm, function () {
- setDirectionClass(cm);
- regChange(cm);
- });
-}
+ getOption: function(option) {return this.options[option]},
+ getDoc: function() {return this.doc},
-function History(startGen) {
- // Arrays of change events and selections. Doing something adds an
- // event to done and clears undo. Undoing moves events from done
- // to undone, redoing moves them in the other direction.
- this.done = []; this.undone = [];
- this.undoDepth = Infinity;
- // Used to track when changes can be merged into a single undo
- // event
- this.lastModTime = this.lastSelTime = 0;
- this.lastOp = this.lastSelOp = null;
- this.lastOrigin = this.lastSelOrigin = null;
- // Used by the isClean() method
- this.generation = this.maxGeneration = startGen || 1;
-}
+ addKeyMap: function(map$$1, bottom) {
+ this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));
+ },
+ removeKeyMap: function(map$$1) {
+ var maps = this.state.keyMaps;
+ for (var i = 0; i < maps.length; ++i)
+ { if (maps[i] == map$$1 || maps[i].name == map$$1) {
+ maps.splice(i, 1);
+ return true
+ } }
+ },
-// Create a history change event from an updateDoc-style change
-// object.
-function historyChangeFromChange(doc, change) {
- var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};
- attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);
- linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);
- return histChange
-}
+ addOverlay: methodOp(function(spec, options) {
+ var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
+ if (mode.startState) { throw new Error("Overlays may not be stateful.") }
+ insertSorted(this.state.overlays,
+ {mode: mode, modeSpec: spec, opaque: options && options.opaque,
+ priority: (options && options.priority) || 0},
+ function (overlay) { return overlay.priority; });
+ this.state.modeGen++;
+ regChange(this);
+ }),
+ removeOverlay: methodOp(function(spec) {
+ var this$1 = this;
+
+ var overlays = this.state.overlays;
+ for (var i = 0; i < overlays.length; ++i) {
+ var cur = overlays[i].modeSpec;
+ if (cur == spec || typeof spec == "string" && cur.name == spec) {
+ overlays.splice(i, 1);
+ this$1.state.modeGen++;
+ regChange(this$1);
+ return
+ }
+ }
+ }),
+
+ indentLine: methodOp(function(n, dir, aggressive) {
+ if (typeof dir != "string" && typeof dir != "number") {
+ if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
+ else { dir = dir ? "add" : "subtract"; }
+ }
+ if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
+ }),
+ indentSelection: methodOp(function(how) {
+ var this$1 = this;
+
+ var ranges = this.doc.sel.ranges, end = -1;
+ for (var i = 0; i < ranges.length; i++) {
+ var range$$1 = ranges[i];
+ if (!range$$1.empty()) {
+ var from = range$$1.from(), to = range$$1.to();
+ var start = Math.max(end, from.line);
+ end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
+ for (var j = start; j < end; ++j)
+ { indentLine(this$1, j, how); }
+ var newRanges = this$1.doc.sel.ranges;
+ if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
+ { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
+ } else if (range$$1.head.line > end) {
+ indentLine(this$1, range$$1.head.line, how, true);
+ end = range$$1.head.line;
+ if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }
+ }
+ }
+ }),
-// Pop all selection events off the end of a history array. Stop at
-// a change event.
-function clearSelectionEvents(array) {
- while (array.length) {
- var last = lst(array);
- if (last.ranges) { array.pop(); }
- else { break }
- }
-}
+ // Fetch the parser token for a given character. Useful for hacks
+ // that want to inspect the mode state (say, for completion).
+ getTokenAt: function(pos, precise) {
+ return takeToken(this, pos, precise)
+ },
-// Find the top change event in the history. Pop off selection
-// events that are in the way.
-function lastChangeEvent(hist, force) {
- if (force) {
- clearSelectionEvents(hist.done);
- return lst(hist.done)
- } else if (hist.done.length && !lst(hist.done).ranges) {
- return lst(hist.done)
- } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {
- hist.done.pop();
- return lst(hist.done)
- }
-}
+ getLineTokens: function(line, precise) {
+ return takeToken(this, Pos(line), precise, true)
+ },
-// Register a change in the history. Merges changes that are within
-// a single operation, or are close together with an origin that
-// allows merging (starting with "+") into a single event.
-function addChangeToHistory(doc, change, selAfter, opId) {
- var hist = doc.history;
- hist.undone.length = 0;
- var time = +new Date, cur;
- var last;
-
- if ((hist.lastOp == opId ||
- hist.lastOrigin == change.origin && change.origin &&
- ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||
- change.origin.charAt(0) == "*")) &&
- (cur = lastChangeEvent(hist, hist.lastOp == opId))) {
- // Merge this change into the last event
- last = lst(cur.changes);
- if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {
- // Optimized case for simple insertion -- don't want to add
- // new changesets for every character typed
- last.to = changeEnd(change);
- } else {
- // Add new sub-event
- cur.changes.push(historyChangeFromChange(doc, change));
- }
- } else {
- // Can not be merged, start a new event.
- var before = lst(hist.done);
- if (!before || !before.ranges)
- { pushSelectionToHistory(doc.sel, hist.done); }
- cur = {changes: [historyChangeFromChange(doc, change)],
- generation: hist.generation};
- hist.done.push(cur);
- while (hist.done.length > hist.undoDepth) {
- hist.done.shift();
- if (!hist.done[0].ranges) { hist.done.shift(); }
- }
- }
- hist.done.push(selAfter);
- hist.generation = ++hist.maxGeneration;
- hist.lastModTime = hist.lastSelTime = time;
- hist.lastOp = hist.lastSelOp = opId;
- hist.lastOrigin = hist.lastSelOrigin = change.origin;
-
- if (!last) { signal(doc, "historyAdded"); }
-}
+ getTokenTypeAt: function(pos) {
+ pos = clipPos(this.doc, pos);
+ var styles = getLineStyles(this, getLine(this.doc, pos.line));
+ var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
+ var type;
+ if (ch == 0) { type = styles[2]; }
+ else { for (;;) {
+ var mid = (before + after) >> 1;
+ if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
+ else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
+ else { type = styles[mid * 2 + 2]; break }
+ } }
+ var cut = type ? type.indexOf("overlay ") : -1;
+ return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
+ },
-function selectionEventCanBeMerged(doc, origin, prev, sel) {
- var ch = origin.charAt(0);
- return ch == "*" ||
- ch == "+" &&
- prev.ranges.length == sel.ranges.length &&
- prev.somethingSelected() == sel.somethingSelected() &&
- new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)
-}
+ getModeAt: function(pos) {
+ var mode = this.doc.mode;
+ if (!mode.innerMode) { return mode }
+ return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
+ },
-// Called whenever the selection changes, sets the new selection as
-// the pending selection in the history, and pushes the old pending
-// selection into the 'done' array when it was significantly
-// different (in number of selected ranges, emptiness, or time).
-function addSelectionToHistory(doc, sel, opId, options) {
- var hist = doc.history, origin = options && options.origin;
-
- // A new event is started when the previous origin does not match
- // the current, or the origins don't allow matching. Origins
- // starting with * are always merged, those starting with + are
- // merged when similar and close together in time.
- if (opId == hist.lastSelOp ||
- (origin && hist.lastSelOrigin == origin &&
- (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||
- selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))
- { hist.done[hist.done.length - 1] = sel; }
- else
- { pushSelectionToHistory(sel, hist.done); }
-
- hist.lastSelTime = +new Date;
- hist.lastSelOrigin = origin;
- hist.lastSelOp = opId;
- if (options && options.clearRedo !== false)
- { clearSelectionEvents(hist.undone); }
-}
+ getHelper: function(pos, type) {
+ return this.getHelpers(pos, type)[0]
+ },
-function pushSelectionToHistory(sel, dest) {
- var top = lst(dest);
- if (!(top && top.ranges && top.equals(sel)))
- { dest.push(sel); }
-}
+ getHelpers: function(pos, type) {
+ var this$1 = this;
+
+ var found = [];
+ if (!helpers.hasOwnProperty(type)) { return found }
+ var help = helpers[type], mode = this.getModeAt(pos);
+ if (typeof mode[type] == "string") {
+ if (help[mode[type]]) { found.push(help[mode[type]]); }
+ } else if (mode[type]) {
+ for (var i = 0; i < mode[type].length; i++) {
+ var val = help[mode[type][i]];
+ if (val) { found.push(val); }
+ }
+ } else if (mode.helperType && help[mode.helperType]) {
+ found.push(help[mode.helperType]);
+ } else if (help[mode.name]) {
+ found.push(help[mode.name]);
+ }
+ for (var i$1 = 0; i$1 < help._global.length; i$1++) {
+ var cur = help._global[i$1];
+ if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
+ { found.push(cur.val); }
+ }
+ return found
+ },
-// Used to store marked span information in the history.
-function attachLocalSpans(doc, change, from, to) {
- var existing = change["spans_" + doc.id], n = 0;
- doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {
- if (line.markedSpans)
- { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }
- ++n;
- });
-}
+ getStateAfter: function(line, precise) {
+ var doc = this.doc;
+ line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
+ return getContextBefore(this, line + 1, precise).state
+ },
-// When un/re-doing restores text containing marked spans, those
-// that have been explicitly cleared should not be restored.
-function removeClearedSpans(spans) {
- if (!spans) { return null }
- var out;
- for (var i = 0; i < spans.length; ++i) {
- if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }
- else if (out) { out.push(spans[i]); }
- }
- return !out ? spans : out.length ? out : null
-}
+ cursorCoords: function(start, mode) {
+ var pos, range$$1 = this.doc.sel.primary();
+ if (start == null) { pos = range$$1.head; }
+ else if (typeof start == "object") { pos = clipPos(this.doc, start); }
+ else { pos = start ? range$$1.from() : range$$1.to(); }
+ return cursorCoords(this, pos, mode || "page")
+ },
-// Retrieve and filter the old marked spans stored in a change event.
-function getOldSpans(doc, change) {
- var found = change["spans_" + doc.id];
- if (!found) { return null }
- var nw = [];
- for (var i = 0; i < change.text.length; ++i)
- { nw.push(removeClearedSpans(found[i])); }
- return nw
-}
+ charCoords: function(pos, mode) {
+ return charCoords(this, clipPos(this.doc, pos), mode || "page")
+ },
-// Used for un/re-doing changes from the history. Combines the
-// result of computing the existing spans with the set of spans that
-// existed in the history (so that deleting around a span and then
-// undoing brings back the span).
-function mergeOldSpans(doc, change) {
- var old = getOldSpans(doc, change);
- var stretched = stretchSpansOverChange(doc, change);
- if (!old) { return stretched }
- if (!stretched) { return old }
-
- for (var i = 0; i < old.length; ++i) {
- var oldCur = old[i], stretchCur = stretched[i];
- if (oldCur && stretchCur) {
- spans: for (var j = 0; j < stretchCur.length; ++j) {
- var span = stretchCur[j];
- for (var k = 0; k < oldCur.length; ++k)
- { if (oldCur[k].marker == span.marker) { continue spans } }
- oldCur.push(span);
- }
- } else if (stretchCur) {
- old[i] = stretchCur;
- }
- }
- return old
-}
+ coordsChar: function(coords, mode) {
+ coords = fromCoordSystem(this, coords, mode || "page");
+ return coordsChar(this, coords.left, coords.top)
+ },
-// Used both to provide a JSON-safe object in .getHistory, and, when
-// detaching a document, to split the history in two
-function copyHistoryArray(events, newGroup, instantiateSel) {
- var copy = [];
- for (var i = 0; i < events.length; ++i) {
- var event = events[i];
- if (event.ranges) {
- copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);
- continue
- }
- var changes = event.changes, newChanges = [];
- copy.push({changes: newChanges});
- for (var j = 0; j < changes.length; ++j) {
- var change = changes[j], m = (void 0);
- newChanges.push({from: change.from, to: change.to, text: change.text});
- if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\d+)$/)) {
- if (indexOf(newGroup, Number(m[1])) > -1) {
- lst(newChanges)[prop] = change[prop];
- delete change[prop];
- }
- } } }
- }
- }
- return copy
-}
+ lineAtHeight: function(height, mode) {
+ height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
+ return lineAtHeight(this.doc, height + this.display.viewOffset)
+ },
+ heightAtLine: function(line, mode, includeWidgets) {
+ var end = false, lineObj;
+ if (typeof line == "number") {
+ var last = this.doc.first + this.doc.size - 1;
+ if (line < this.doc.first) { line = this.doc.first; }
+ else if (line > last) { line = last; end = true; }
+ lineObj = getLine(this.doc, line);
+ } else {
+ lineObj = line;
+ }
+ return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
+ (end ? this.doc.height - heightAtLine(lineObj) : 0)
+ },
-// The 'scroll' parameter given to many of these indicated whether
-// the new cursor position should be scrolled into view after
-// modifying the selection.
-
-// If shift is held or the extend flag is set, extends a range to
-// include a given position (and optionally a second position).
-// Otherwise, simply returns the range between the given positions.
-// Used for cursor motion and such.
-function extendRange(range, head, other, extend) {
- if (extend) {
- var anchor = range.anchor;
- if (other) {
- var posBefore = cmp(head, anchor) < 0;
- if (posBefore != (cmp(other, anchor) < 0)) {
- anchor = head;
- head = other;
- } else if (posBefore != (cmp(head, other) < 0)) {
- head = other;
- }
- }
- return new Range(anchor, head)
- } else {
- return new Range(other || head, head)
- }
-}
+ defaultTextHeight: function() { return textHeight(this.display) },
+ defaultCharWidth: function() { return charWidth(this.display) },
+
+ getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
+
+ addWidget: function(pos, node, scroll, vert, horiz) {
+ var display = this.display;
+ pos = cursorCoords(this, clipPos(this.doc, pos));
+ var top = pos.bottom, left = pos.left;
+ node.style.position = "absolute";
+ node.setAttribute("cm-ignore-events", "true");
+ this.display.input.setUneditable(node);
+ display.sizer.appendChild(node);
+ if (vert == "over") {
+ top = pos.top;
+ } else if (vert == "above" || vert == "near") {
+ var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
+ hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
+ // Default to positioning above (if specified and possible); otherwise default to positioning below
+ if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
+ { top = pos.top - node.offsetHeight; }
+ else if (pos.bottom + node.offsetHeight <= vspace)
+ { top = pos.bottom; }
+ if (left + node.offsetWidth > hspace)
+ { left = hspace - node.offsetWidth; }
+ }
+ node.style.top = top + "px";
+ node.style.left = node.style.right = "";
+ if (horiz == "right") {
+ left = display.sizer.clientWidth - node.offsetWidth;
+ node.style.right = "0px";
+ } else {
+ if (horiz == "left") { left = 0; }
+ else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
+ node.style.left = left + "px";
+ }
+ if (scroll)
+ { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
+ },
-// Extend the primary selection range, discard the rest.
-function extendSelection(doc, head, other, options, extend) {
- if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }
- setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);
-}
+ triggerOnKeyDown: methodOp(onKeyDown),
+ triggerOnKeyPress: methodOp(onKeyPress),
+ triggerOnKeyUp: onKeyUp,
+ triggerOnMouseDown: methodOp(onMouseDown),
-// Extend all selections (pos is an array of selections with length
-// equal the number of selections)
-function extendSelections(doc, heads, options) {
- var out = [];
- var extend = doc.cm && (doc.cm.display.shift || doc.extend);
- for (var i = 0; i < doc.sel.ranges.length; i++)
- { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }
- var newSel = normalizeSelection(out, doc.sel.primIndex);
- setSelection(doc, newSel, options);
-}
+ execCommand: function(cmd) {
+ if (commands.hasOwnProperty(cmd))
+ { return commands[cmd].call(null, this) }
+ },
-// Updates a single range in the selection.
-function replaceOneSelection(doc, i, range, options) {
- var ranges = doc.sel.ranges.slice(0);
- ranges[i] = range;
- setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);
-}
+ triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
-// Reset the selection to a single range.
-function setSimpleSelection(doc, anchor, head, options) {
- setSelection(doc, simpleSelection(anchor, head), options);
-}
+ findPosH: function(from, amount, unit, visually) {
+ var this$1 = this;
-// Give beforeSelectionChange handlers a change to influence a
-// selection update.
-function filterSelectionChange(doc, sel, options) {
- var obj = {
- ranges: sel.ranges,
- update: function(ranges) {
- var this$1 = this;
+ var dir = 1;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ cur = findPosH(this$1.doc, cur, dir, unit, visually);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
- this.ranges = [];
- for (var i = 0; i < ranges.length; i++)
- { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),
- clipPos(doc, ranges[i].head)); }
- },
- origin: options && options.origin
- };
- signal(doc, "beforeSelectionChange", doc, obj);
- if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }
- if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }
- else { return sel }
-}
+ moveH: methodOp(function(dir, unit) {
+ var this$1 = this;
-function setSelectionReplaceHistory(doc, sel, options) {
- var done = doc.history.done, last = lst(done);
- if (last && last.ranges) {
- done[done.length - 1] = sel;
- setSelectionNoUndo(doc, sel, options);
- } else {
- setSelection(doc, sel, options);
- }
-}
+ this.extendSelectionsBy(function (range$$1) {
+ if (this$1.display.shift || this$1.doc.extend || range$$1.empty())
+ { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }
+ else
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ }, sel_move);
+ }),
+
+ deleteH: methodOp(function(dir, unit) {
+ var sel = this.doc.sel, doc = this.doc;
+ if (sel.somethingSelected())
+ { doc.replaceSelection("", null, "+delete"); }
+ else
+ { deleteNearSelection(this, function (range$$1) {
+ var other = findPosH(doc, range$$1.head, dir, unit, false);
+ return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}
+ }); }
+ }),
+
+ findPosV: function(from, amount, unit, goalColumn) {
+ var this$1 = this;
+
+ var dir = 1, x = goalColumn;
+ if (amount < 0) { dir = -1; amount = -amount; }
+ var cur = clipPos(this.doc, from);
+ for (var i = 0; i < amount; ++i) {
+ var coords = cursorCoords(this$1, cur, "div");
+ if (x == null) { x = coords.left; }
+ else { coords.left = x; }
+ cur = findPosV(this$1, coords, dir, unit);
+ if (cur.hitSide) { break }
+ }
+ return cur
+ },
-// Set a new selection.
-function setSelection(doc, sel, options) {
- setSelectionNoUndo(doc, sel, options);
- addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);
-}
+ moveV: methodOp(function(dir, unit) {
+ var this$1 = this;
+
+ var doc = this.doc, goals = [];
+ var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
+ doc.extendSelectionsBy(function (range$$1) {
+ if (collapse)
+ { return dir < 0 ? range$$1.from() : range$$1.to() }
+ var headPos = cursorCoords(this$1, range$$1.head, "div");
+ if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }
+ goals.push(headPos.left);
+ var pos = findPosV(this$1, headPos, dir, unit);
+ if (unit == "page" && range$$1 == doc.sel.primary())
+ { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
+ return pos
+ }, sel_move);
+ if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
+ { doc.sel.ranges[i].goalColumn = goals[i]; } }
+ }),
+
+ // Find the word at the given position (as returned by coordsChar).
+ findWordAt: function(pos) {
+ var doc = this.doc, line = getLine(doc, pos.line).text;
+ var start = pos.ch, end = pos.ch;
+ if (line) {
+ var helper = this.getHelper(pos, "wordChars");
+ if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
+ var startChar = line.charAt(start);
+ var check = isWordChar(startChar, helper)
+ ? function (ch) { return isWordChar(ch, helper); }
+ : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
+ : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
+ while (start > 0 && check(line.charAt(start - 1))) { --start; }
+ while (end < line.length && check(line.charAt(end))) { ++end; }
+ }
+ return new Range(Pos(pos.line, start), Pos(pos.line, end))
+ },
-function setSelectionNoUndo(doc, sel, options) {
- if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))
- { sel = filterSelectionChange(doc, sel, options); }
+ toggleOverwrite: function(value) {
+ if (value != null && value == this.state.overwrite) { return }
+ if (this.state.overwrite = !this.state.overwrite)
+ { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+ else
+ { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
- var bias = options && options.bias ||
- (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);
- setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));
+ signal(this, "overwriteToggle", this, this.state.overwrite);
+ },
+ hasFocus: function() { return this.display.input.getField() == activeElt() },
+ isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
+
+ scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
+ getScrollInfo: function() {
+ var scroller = this.display.scroller;
+ return {left: scroller.scrollLeft, top: scroller.scrollTop,
+ height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
+ width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
+ clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
+ },
- if (!(options && options.scroll === false) && doc.cm)
- { ensureCursorVisible(doc.cm); }
-}
+ scrollIntoView: methodOp(function(range$$1, margin) {
+ if (range$$1 == null) {
+ range$$1 = {from: this.doc.sel.primary().head, to: null};
+ if (margin == null) { margin = this.options.cursorScrollMargin; }
+ } else if (typeof range$$1 == "number") {
+ range$$1 = {from: Pos(range$$1, 0), to: null};
+ } else if (range$$1.from == null) {
+ range$$1 = {from: range$$1, to: null};
+ }
+ if (!range$$1.to) { range$$1.to = range$$1.from; }
+ range$$1.margin = margin || 0;
-function setSelectionInner(doc, sel) {
- if (sel.equals(doc.sel)) { return }
+ if (range$$1.from.line != null) {
+ scrollToRange(this, range$$1);
+ } else {
+ scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);
+ }
+ }),
+
+ setSize: methodOp(function(width, height) {
+ var this$1 = this;
+
+ var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
+ if (width != null) { this.display.wrapper.style.width = interpret(width); }
+ if (height != null) { this.display.wrapper.style.height = interpret(height); }
+ if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
+ var lineNo$$1 = this.display.viewFrom;
+ this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {
+ if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
+ { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }
+ ++lineNo$$1;
+ });
+ this.curOp.forceUpdate = true;
+ signal(this, "refresh", this);
+ }),
+
+ operation: function(f){return runInOp(this, f)},
+ startOperation: function(){return startOperation(this)},
+ endOperation: function(){return endOperation(this)},
+
+ refresh: methodOp(function() {
+ var oldHeight = this.display.cachedTextHeight;
+ regChange(this);
+ this.curOp.forceUpdate = true;
+ clearCaches(this);
+ scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
+ updateGutterSpace(this.display);
+ if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
+ { estimateLineHeights(this); }
+ signal(this, "refresh", this);
+ }),
+
+ swapDoc: methodOp(function(doc) {
+ var old = this.doc;
+ old.cm = null;
+ // Cancel the current text selection if any (#5821)
+ if (this.state.selectingText) { this.state.selectingText(); }
+ attachDoc(this, doc);
+ clearCaches(this);
+ this.display.input.reset();
+ scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
+ this.curOp.forceScroll = true;
+ signalLater(this, "swapDoc", this, old);
+ return old
+ }),
+
+ phrase: function(phraseText) {
+ var phrases = this.options.phrases;
+ return phrases && Object.prototype.hasOwnProperty.call(phrases, phraseText) ? phrases[phraseText] : phraseText
+ },
- doc.sel = sel;
+ getInputField: function(){return this.display.input.getField()},
+ getWrapperElement: function(){return this.display.wrapper},
+ getScrollerElement: function(){return this.display.scroller},
+ getGutterElement: function(){return this.display.gutters}
+ };
+ eventMixin(CodeMirror);
- if (doc.cm) {
- doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;
- signalCursorActivity(doc.cm);
+ CodeMirror.registerHelper = function(type, name, value) {
+ if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
+ helpers[type][name] = value;
+ };
+ CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
+ CodeMirror.registerHelper(type, name, value);
+ helpers[type]._global.push({pred: predicate, val: value});
+ };
}
- signalLater(doc, "cursorActivity", doc);
-}
-// Verify that the selection does not partially select any atomic
-// marked ranges.
-function reCheckSelection(doc) {
- setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));
-}
-
-// Return a selection that does not partially select any atomic
-// ranges.
-function skipAtomicInSelection(doc, sel, bias, mayClear) {
- var out;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range = sel.ranges[i];
- var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];
- var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);
- var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);
- if (out || newAnchor != range.anchor || newHead != range.head) {
- if (!out) { out = sel.ranges.slice(0, i); }
- out[i] = new Range(newAnchor, newHead);
- }
- }
- return out ? normalizeSelection(out, sel.primIndex) : sel
-}
+ // Used for horizontal relative motion. Dir is -1 or 1 (left or
+ // right), unit can be "char", "column" (like char, but doesn't
+ // cross line boundaries), "word" (across next word), or "group" (to
+ // the start of next group of word or non-word-non-whitespace
+ // chars). The visually param controls whether, in right-to-left
+ // text, direction 1 means to move towards the next index in the
+ // string, or towards the character to the right of the current
+ // position. The resulting position will have a hitSide=true
+ // property if it reached the end of the document.
+ function findPosH(doc, pos, dir, unit, visually) {
+ var oldPos = pos;
+ var origDir = dir;
+ var lineObj = getLine(doc, pos.line);
+ function findNextLine() {
+ var l = pos.line + dir;
+ if (l < doc.first || l >= doc.first + doc.size) { return false }
+ pos = new Pos(l, pos.ch, pos.sticky);
+ return lineObj = getLine(doc, l)
+ }
+ function moveOnce(boundToLine) {
+ var next;
+ if (visually) {
+ next = moveVisually(doc.cm, lineObj, pos, dir);
+ } else {
+ next = moveLogically(lineObj, pos, dir);
+ }
+ if (next == null) {
+ if (!boundToLine && findNextLine())
+ { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }
+ else
+ { return false }
+ } else {
+ pos = next;
+ }
+ return true
+ }
-function skipAtomicInner(doc, pos, oldPos, dir, mayClear) {
- var line = getLine(doc, pos.line);
- if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {
- var sp = line.markedSpans[i], m = sp.marker;
- if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&
- (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {
- if (mayClear) {
- signal(m, "beforeCursorEnter");
- if (m.explicitlyCleared) {
- if (!line.markedSpans) { break }
- else {--i; continue}
+ if (unit == "char") {
+ moveOnce();
+ } else if (unit == "column") {
+ moveOnce(true);
+ } else if (unit == "word" || unit == "group") {
+ var sawType = null, group = unit == "group";
+ var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
+ for (var first = true;; first = false) {
+ if (dir < 0 && !moveOnce(!first)) { break }
+ var cur = lineObj.text.charAt(pos.ch) || "\n";
+ var type = isWordChar(cur, helper) ? "w"
+ : group && cur == "\n" ? "n"
+ : !group || /\s/.test(cur) ? null
+ : "p";
+ if (group && !first && !type) { type = "s"; }
+ if (sawType && sawType != type) {
+ if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
+ break
}
- }
- if (!m.atomic) { continue }
- if (oldPos) {
- var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);
- if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)
- { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }
- if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))
- { return skipAtomicInner(doc, near, pos, dir, mayClear) }
+ if (type) { sawType = type; }
+ if (dir > 0 && !moveOnce(!first)) { break }
}
-
- var far = m.find(dir < 0 ? -1 : 1);
- if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)
- { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }
- return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null
}
- } }
- return pos
-}
+ var result = skipAtomic(doc, pos, oldPos, origDir, true);
+ if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
+ return result
+ }
-// Ensure a given position is not inside an atomic range.
-function skipAtomic(doc, pos, oldPos, bias, mayClear) {
- var dir = bias || 1;
- var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||
- (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||
- skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||
- (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));
- if (!found) {
- doc.cantEdit = true;
- return Pos(doc.first, 0)
- }
- return found
-}
+ // For relative vertical movement. Dir may be -1 or 1. Unit can be
+ // "page" or "line". The resulting position will have a hitSide=true
+ // property if it reached the end of the document.
+ function findPosV(cm, pos, dir, unit) {
+ var doc = cm.doc, x = pos.left, y;
+ if (unit == "page") {
+ var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
+ var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
+ y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
-function movePos(doc, pos, dir, line) {
- if (dir < 0 && pos.ch == 0) {
- if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }
- else { return null }
- } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {
- if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }
- else { return null }
- } else {
- return new Pos(pos.line, pos.ch + dir)
+ } else if (unit == "line") {
+ y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
+ }
+ var target;
+ for (;;) {
+ target = coordsChar(cm, x, y);
+ if (!target.outside) { break }
+ if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
+ y += dir * 5;
+ }
+ return target
}
-}
-function selectAll(cm) {
- cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);
-}
+ // CONTENTEDITABLE INPUT STYLE
-// UPDATING
-
-// Allow "beforeChange" event handlers to influence a change
-function filterChange(doc, change, update) {
- var obj = {
- canceled: false,
- from: change.from,
- to: change.to,
- text: change.text,
- origin: change.origin,
- cancel: function () { return obj.canceled = true; }
- };
- if (update) { obj.update = function (from, to, text, origin) {
- if (from) { obj.from = clipPos(doc, from); }
- if (to) { obj.to = clipPos(doc, to); }
- if (text) { obj.text = text; }
- if (origin !== undefined) { obj.origin = origin; }
- }; }
- signal(doc, "beforeChange", doc, obj);
- if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }
+ var ContentEditableInput = function(cm) {
+ this.cm = cm;
+ this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
+ this.polling = new Delayed();
+ this.composing = null;
+ this.gracePeriod = false;
+ this.readDOMTimeout = null;
+ };
- if (obj.canceled) { return null }
- return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}
-}
+ ContentEditableInput.prototype.init = function (display) {
+ var this$1 = this;
-// Apply a change to a document, and add it to the document's
-// history, and propagating it to all linked documents.
-function makeChange(doc, change, ignoreReadOnly) {
- if (doc.cm) {
- if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }
- if (doc.cm.state.suppressEdits) { return }
- }
+ var input = this, cm = input.cm;
+ var div = input.div = display.lineDiv;
+ disableBrowserMagic(div, cm.options.spellcheck, cm.options.autocorrect, cm.options.autocapitalize);
- if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {
- change = filterChange(doc, change, true);
- if (!change) { return }
- }
+ on(div, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
+ // IE doesn't fire input events, so we schedule a read for the pasted content in this way
+ if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
+ });
- // Possibly split or suppress the update based on the presence
- // of read-only spans in its range.
- var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);
- if (split) {
- for (var i = split.length - 1; i >= 0; --i)
- { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }
- } else {
- makeChangeInner(doc, change);
- }
-}
-
-function makeChangeInner(doc, change) {
- if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }
- var selAfter = computeSelAfterChange(doc, change);
- addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);
+ on(div, "compositionstart", function (e) {
+ this$1.composing = {data: e.data, done: false};
+ });
+ on(div, "compositionupdate", function (e) {
+ if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
+ });
+ on(div, "compositionend", function (e) {
+ if (this$1.composing) {
+ if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
+ this$1.composing.done = true;
+ }
+ });
- makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));
- var rebased = [];
+ on(div, "touchstart", function () { return input.forceCompositionEnd(); });
- linkedDocs(doc, function (doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
- }
- makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));
- });
-}
+ on(div, "input", function () {
+ if (!this$1.composing) { this$1.readFromDOMSoon(); }
+ });
-// Revert a change stored in a document's history.
-function makeChangeFromHistory(doc, type, allowSelectionOnly) {
- if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }
-
- var hist = doc.history, event, selAfter = doc.sel;
- var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;
-
- // Verify that there is a useable event (so that ctrl-z won't
- // needlessly clear selection events)
- var i = 0;
- for (; i < source.length; i++) {
- event = source[i];
- if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)
- { break }
- }
- if (i == source.length) { return }
- hist.lastOrigin = hist.lastSelOrigin = null;
-
- for (;;) {
- event = source.pop();
- if (event.ranges) {
- pushSelectionToHistory(event, dest);
- if (allowSelectionOnly && !event.equals(doc.sel)) {
- setSelection(doc, event, {clearRedo: false});
+ function onCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
+ } else if (!cm.options.lineWiseCopyCut) {
return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.operation(function () {
+ cm.setSelections(ranges.ranges, 0, sel_dontScroll);
+ cm.replaceSelection("", null, "cut");
+ });
+ }
+ }
+ if (e.clipboardData) {
+ e.clipboardData.clearData();
+ var content = lastCopied.text.join("\n");
+ // iOS exposes the clipboard API, but seems to discard content inserted into it
+ e.clipboardData.setData("Text", content);
+ if (e.clipboardData.getData("Text") == content) {
+ e.preventDefault();
+ return
+ }
}
- selAfter = event;
+ // Old-fashioned briefly-focus-a-textarea hack
+ var kludge = hiddenTextarea(), te = kludge.firstChild;
+ cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
+ te.value = lastCopied.text.join("\n");
+ var hadFocus = document.activeElement;
+ selectInput(te);
+ setTimeout(function () {
+ cm.display.lineSpace.removeChild(kludge);
+ hadFocus.focus();
+ if (hadFocus == div) { input.showPrimarySelection(); }
+ }, 50);
}
- else { break }
- }
+ on(div, "copy", onCopyCut);
+ on(div, "cut", onCopyCut);
+ };
+
+ ContentEditableInput.prototype.prepareSelection = function () {
+ var result = prepareSelection(this.cm, false);
+ result.focus = this.cm.state.focused;
+ return result
+ };
+
+ ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
+ if (!info || !this.cm.display.view.length) { return }
+ if (info.focus || takeFocus) { this.showPrimarySelection(); }
+ this.showMultipleSelections(info);
+ };
- // Build up a reverse change object to add to the opposite history
- // stack (redo when undoing, and vice versa).
- var antiChanges = [];
- pushSelectionToHistory(selAfter, dest);
- dest.push({changes: antiChanges, generation: hist.generation});
- hist.generation = event.generation || ++hist.maxGeneration;
+ ContentEditableInput.prototype.getSelection = function () {
+ return this.cm.display.wrapper.ownerDocument.getSelection()
+ };
- var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");
+ ContentEditableInput.prototype.showPrimarySelection = function () {
+ var sel = this.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
+ var from = prim.from(), to = prim.to();
- var loop = function ( i ) {
- var change = event.changes[i];
- change.origin = type;
- if (filter && !filterChange(doc, change, false)) {
- source.length = 0;
- return {}
+ if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
+ sel.removeAllRanges();
+ return
}
- antiChanges.push(historyChangeFromChange(doc, change));
+ var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
+ cmp(minPos(curAnchor, curFocus), from) == 0 &&
+ cmp(maxPos(curAnchor, curFocus), to) == 0)
+ { return }
- var after = i ? computeSelAfterChange(doc, change) : lst(source);
- makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));
- if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }
- var rebased = [];
+ var view = cm.display.view;
+ var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
+ {node: view[0].measure.map[2], offset: 0};
+ var end = to.line < cm.display.viewTo && posToDOM(cm, to);
+ if (!end) {
+ var measure = view[view.length - 1].measure;
+ var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
+ end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};
+ }
- // Propagate to the linked documents
- linkedDocs(doc, function (doc, sharedHist) {
- if (!sharedHist && indexOf(rebased, doc.history) == -1) {
- rebaseHist(doc.history, change);
- rebased.push(doc.history);
+ if (!start || !end) {
+ sel.removeAllRanges();
+ return
+ }
+
+ var old = sel.rangeCount && sel.getRangeAt(0), rng;
+ try { rng = range(start.node, start.offset, end.offset, end.node); }
+ catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
+ if (rng) {
+ if (!gecko && cm.state.focused) {
+ sel.collapse(start.node, start.offset);
+ if (!rng.collapsed) {
+ sel.removeAllRanges();
+ sel.addRange(rng);
+ }
+ } else {
+ sel.removeAllRanges();
+ sel.addRange(rng);
}
- makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));
- });
+ if (old && sel.anchorNode == null) { sel.addRange(old); }
+ else if (gecko) { this.startGracePeriod(); }
+ }
+ this.rememberSelection();
};
- for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {
- var returned = loop( i$1 );
+ ContentEditableInput.prototype.startGracePeriod = function () {
+ var this$1 = this;
- if ( returned ) return returned.v;
- }
-}
+ clearTimeout(this.gracePeriod);
+ this.gracePeriod = setTimeout(function () {
+ this$1.gracePeriod = false;
+ if (this$1.selectionChanged())
+ { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
+ }, 20);
+ };
-// Sub-views need their line numbers shifted when text is added
-// above or below them in the parent document.
-function shiftDoc(doc, distance) {
- if (distance == 0) { return }
- doc.first += distance;
- doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(
- Pos(range.anchor.line + distance, range.anchor.ch),
- Pos(range.head.line + distance, range.head.ch)
- ); }), doc.sel.primIndex);
- if (doc.cm) {
- regChange(doc.cm, doc.first, doc.first - distance, distance);
- for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)
- { regLineChange(doc.cm, l, "gutter"); }
- }
-}
+ ContentEditableInput.prototype.showMultipleSelections = function (info) {
+ removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
+ removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
+ };
-// More lower-level change function, handling only a single document
-// (not linked ones).
-function makeChangeSingleDoc(doc, change, selAfter, spans) {
- if (doc.cm && !doc.cm.curOp)
- { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }
+ ContentEditableInput.prototype.rememberSelection = function () {
+ var sel = this.getSelection();
+ this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
+ this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
+ };
- if (change.to.line < doc.first) {
- shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));
- return
- }
- if (change.from.line > doc.lastLine()) { return }
+ ContentEditableInput.prototype.selectionInEditor = function () {
+ var sel = this.getSelection();
+ if (!sel.rangeCount) { return false }
+ var node = sel.getRangeAt(0).commonAncestorContainer;
+ return contains(this.div, node)
+ };
- // Clip the change to the size of this doc
- if (change.from.line < doc.first) {
- var shift = change.text.length - 1 - (doc.first - change.from.line);
- shiftDoc(doc, shift);
- change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),
- text: [lst(change.text)], origin: change.origin};
- }
- var last = doc.lastLine();
- if (change.to.line > last) {
- change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),
- text: [change.text[0]], origin: change.origin};
- }
+ ContentEditableInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor") {
+ if (!this.selectionInEditor())
+ { this.showSelection(this.prepareSelection(), true); }
+ this.div.focus();
+ }
+ };
+ ContentEditableInput.prototype.blur = function () { this.div.blur(); };
+ ContentEditableInput.prototype.getField = function () { return this.div };
- change.removed = getBetween(doc, change.from, change.to);
+ ContentEditableInput.prototype.supportsTouch = function () { return true };
- if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }
- if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }
- else { updateDoc(doc, change, spans); }
- setSelectionNoUndo(doc, selAfter, sel_dontScroll);
-}
+ ContentEditableInput.prototype.receivedFocus = function () {
+ var input = this;
+ if (this.selectionInEditor())
+ { this.pollSelection(); }
+ else
+ { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }
-// Handle the interaction of a change to a document with the editor
-// that this document is part of.
-function makeChangeSingleDocInEditor(cm, change, spans) {
- var doc = cm.doc, display = cm.display, from = change.from, to = change.to;
-
- var recomputeMaxLength = false, checkWidthStart = from.line;
- if (!cm.options.lineWrapping) {
- checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));
- doc.iter(checkWidthStart, to.line + 1, function (line) {
- if (line == display.maxLine) {
- recomputeMaxLength = true;
- return true
+ function poll() {
+ if (input.cm.state.focused) {
+ input.pollSelection();
+ input.polling.set(input.cm.options.pollInterval, poll);
}
- });
- }
-
- if (doc.sel.contains(change.from, change.to) > -1)
- { signalCursorActivity(cm); }
-
- updateDoc(doc, change, spans, estimateHeight(cm));
+ }
+ this.polling.set(this.cm.options.pollInterval, poll);
+ };
- if (!cm.options.lineWrapping) {
- doc.iter(checkWidthStart, from.line + change.text.length, function (line) {
- var len = lineLength(line);
- if (len > display.maxLineLength) {
- display.maxLine = line;
- display.maxLineLength = len;
- display.maxLineChanged = true;
- recomputeMaxLength = false;
- }
- });
- if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }
- }
+ ContentEditableInput.prototype.selectionChanged = function () {
+ var sel = this.getSelection();
+ return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
+ sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
+ };
- retreatFrontier(doc, from.line);
- startWorker(cm, 400);
+ ContentEditableInput.prototype.pollSelection = function () {
+ if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
+ var sel = this.getSelection(), cm = this.cm;
+ // On Android Chrome (version 56, at least), backspacing into an
+ // uneditable block element will put the cursor in that element,
+ // and then, because it's not editable, hide the virtual keyboard.
+ // Because Android doesn't allow us to actually detect backspace
+ // presses in a sane way, this code checks for when that happens
+ // and simulates a backspace press in this case.
+ if (android && chrome && this.cm.display.gutterSpecs.length && isInGutter(sel.anchorNode)) {
+ this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
+ this.blur();
+ this.focus();
+ return
+ }
+ if (this.composing) { return }
+ this.rememberSelection();
+ var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
+ var head = domToPos(cm, sel.focusNode, sel.focusOffset);
+ if (anchor && head) { runInOp(cm, function () {
+ setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
+ if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
+ }); }
+ };
+
+ ContentEditableInput.prototype.pollContent = function () {
+ if (this.readDOMTimeout != null) {
+ clearTimeout(this.readDOMTimeout);
+ this.readDOMTimeout = null;
+ }
+
+ var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
+ var from = sel.from(), to = sel.to();
+ if (from.ch == 0 && from.line > cm.firstLine())
+ { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
+ if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
+ { to = Pos(to.line + 1, 0); }
+ if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
+
+ var fromIndex, fromLine, fromNode;
+ if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
+ fromLine = lineNo(display.view[0].line);
+ fromNode = display.view[0].node;
+ } else {
+ fromLine = lineNo(display.view[fromIndex].line);
+ fromNode = display.view[fromIndex - 1].node.nextSibling;
+ }
+ var toIndex = findViewIndex(cm, to.line);
+ var toLine, toNode;
+ if (toIndex == display.view.length - 1) {
+ toLine = display.viewTo - 1;
+ toNode = display.lineDiv.lastChild;
+ } else {
+ toLine = lineNo(display.view[toIndex + 1].line) - 1;
+ toNode = display.view[toIndex + 1].node.previousSibling;
+ }
+
+ if (!fromNode) { return false }
+ var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
+ var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
+ while (newText.length > 1 && oldText.length > 1) {
+ if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
+ else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
+ else { break }
+ }
+
+ var cutFront = 0, cutEnd = 0;
+ var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
+ while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
+ { ++cutFront; }
+ var newBot = lst(newText), oldBot = lst(oldText);
+ var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
+ oldBot.length - (oldText.length == 1 ? cutFront : 0));
+ while (cutEnd < maxCutEnd &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
+ { ++cutEnd; }
+ // Try to move start of change to start of selection if ambiguous
+ if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
+ while (cutFront && cutFront > from.ch &&
+ newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
+ cutFront--;
+ cutEnd++;
+ }
+ }
+
+ newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
+ newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
+
+ var chFrom = Pos(fromLine, cutFront);
+ var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
+ if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
+ replaceRange(cm.doc, newText, chFrom, chTo, "+input");
+ return true
+ }
+ };
- var lendiff = change.text.length - (to.line - from.line) - 1;
- // Remember that these lines changed, for updating the display
- if (change.full)
- { regChange(cm); }
- else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))
- { regLineChange(cm, from.line, "text"); }
- else
- { regChange(cm, from.line, to.line + 1, lendiff); }
+ ContentEditableInput.prototype.ensurePolled = function () {
+ this.forceCompositionEnd();
+ };
+ ContentEditableInput.prototype.reset = function () {
+ this.forceCompositionEnd();
+ };
+ ContentEditableInput.prototype.forceCompositionEnd = function () {
+ if (!this.composing) { return }
+ clearTimeout(this.readDOMTimeout);
+ this.composing = null;
+ this.updateFromDOM();
+ this.div.blur();
+ this.div.focus();
+ };
+ ContentEditableInput.prototype.readFromDOMSoon = function () {
+ var this$1 = this;
- var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");
- if (changeHandler || changesHandler) {
- var obj = {
- from: from, to: to,
- text: change.text,
- removed: change.removed,
- origin: change.origin
- };
- if (changeHandler) { signalLater(cm, "change", cm, obj); }
- if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }
- }
- cm.display.selForContextMenu = null;
-}
+ if (this.readDOMTimeout != null) { return }
+ this.readDOMTimeout = setTimeout(function () {
+ this$1.readDOMTimeout = null;
+ if (this$1.composing) {
+ if (this$1.composing.done) { this$1.composing = null; }
+ else { return }
+ }
+ this$1.updateFromDOM();
+ }, 80);
+ };
-function replaceRange(doc, code, from, to, origin) {
- if (!to) { to = from; }
- if (cmp(to, from) < 0) { var assign;
- (assign = [to, from], from = assign[0], to = assign[1], assign); }
- if (typeof code == "string") { code = doc.splitLines(code); }
- makeChange(doc, {from: from, to: to, text: code, origin: origin});
-}
+ ContentEditableInput.prototype.updateFromDOM = function () {
+ var this$1 = this;
-// Rebasing/resetting history to deal with externally-sourced changes
+ if (this.cm.isReadOnly() || !this.pollContent())
+ { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
+ };
-function rebaseHistSelSingle(pos, from, to, diff) {
- if (to < pos.line) {
- pos.line += diff;
- } else if (from < pos.line) {
- pos.line = from;
- pos.ch = 0;
- }
-}
+ ContentEditableInput.prototype.setUneditable = function (node) {
+ node.contentEditable = "false";
+ };
-// Tries to rebase an array of history events given a change in the
-// document. If the change touches the same lines as the event, the
-// event, and everything 'behind' it, is discarded. If the change is
-// before the event, the event's positions are updated. Uses a
-// copy-on-write scheme for the positions, to avoid having to
-// reallocate them all on every rebase, but also avoid problems with
-// shared position objects being unsafely updated.
-function rebaseHistArray(array, from, to, diff) {
- for (var i = 0; i < array.length; ++i) {
- var sub = array[i], ok = true;
- if (sub.ranges) {
- if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }
- for (var j = 0; j < sub.ranges.length; j++) {
- rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);
- rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);
- }
- continue
- }
- for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {
- var cur = sub.changes[j$1];
- if (to < cur.from.line) {
- cur.from = Pos(cur.from.line + diff, cur.from.ch);
- cur.to = Pos(cur.to.line + diff, cur.to.ch);
- } else if (from <= cur.to.line) {
- ok = false;
- break
- }
- }
- if (!ok) {
- array.splice(0, i + 1);
- i = 0;
- }
- }
-}
+ ContentEditableInput.prototype.onKeyPress = function (e) {
+ if (e.charCode == 0 || this.composing) { return }
+ e.preventDefault();
+ if (!this.cm.isReadOnly())
+ { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
+ };
-function rebaseHist(hist, change) {
- var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;
- rebaseHistArray(hist.done, from, to, diff);
- rebaseHistArray(hist.undone, from, to, diff);
-}
+ ContentEditableInput.prototype.readOnlyChanged = function (val) {
+ this.div.contentEditable = String(val != "nocursor");
+ };
-// Utility for applying a change to a line by handle or number,
-// returning the number and optionally registering the line as
-// changed.
-function changeLine(doc, handle, changeType, op) {
- var no = handle, line = handle;
- if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }
- else { no = lineNo(handle); }
- if (no == null) { return null }
- if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }
- return line
-}
+ ContentEditableInput.prototype.onContextMenu = function () {};
+ ContentEditableInput.prototype.resetPosition = function () {};
-// The document is represented as a BTree consisting of leaves, with
-// chunk of lines in them, and branches, with up to ten leaves or
-// other branch nodes below them. The top node is always a branch
-// node, and is the document object itself (meaning it has
-// additional methods and properties).
-//
-// All nodes have parent links. The tree is used both to go from
-// line numbers to line objects, and to go from objects to numbers.
-// It also indexes by height, and is used to convert between height
-// and line object, and to find the total height of the document.
-//
-// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html
+ ContentEditableInput.prototype.needsContentAttribute = true;
-function LeafChunk(lines) {
- var this$1 = this;
+ function posToDOM(cm, pos) {
+ var view = findViewForLine(cm, pos.line);
+ if (!view || view.hidden) { return null }
+ var line = getLine(cm.doc, pos.line);
+ var info = mapFromLineView(view, line, pos.line);
- this.lines = lines;
- this.parent = null;
- var height = 0;
- for (var i = 0; i < lines.length; ++i) {
- lines[i].parent = this$1;
- height += lines[i].height;
+ var order = getOrder(line, cm.doc.direction), side = "left";
+ if (order) {
+ var partPos = getBidiPartAt(order, pos.ch);
+ side = partPos % 2 ? "right" : "left";
+ }
+ var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
+ result.offset = result.collapse == "right" ? result.end : result.start;
+ return result
}
- this.height = height;
-}
-LeafChunk.prototype = {
- chunkSize: function chunkSize() { return this.lines.length },
+ function isInGutter(node) {
+ for (var scan = node; scan; scan = scan.parentNode)
+ { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
+ return false
+ }
- // Remove the n lines at offset 'at'.
- removeInner: function removeInner(at, n) {
- var this$1 = this;
+ function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
- for (var i = at, e = at + n; i < e; ++i) {
- var line = this$1.lines[i];
- this$1.height -= line.height;
- cleanUpLine(line);
- signalLater(line, "delete");
+ function domTextBetween(cm, from, to, fromLine, toLine) {
+ var text = "", closing = false, lineSep = cm.doc.lineSeparator(), extraLinebreak = false;
+ function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
+ function close() {
+ if (closing) {
+ text += lineSep;
+ if (extraLinebreak) { text += lineSep; }
+ closing = extraLinebreak = false;
+ }
}
- this.lines.splice(at, n);
- },
-
- // Helper used to collapse a small branch into a single leaf.
- collapse: function collapse(lines) {
- lines.push.apply(lines, this.lines);
- },
-
- // Insert the given array of lines at offset 'at', count them as
- // having the given height.
- insertInner: function insertInner(at, lines, height) {
- var this$1 = this;
-
- this.height += height;
- this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));
- for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }
- },
+ function addText(str) {
+ if (str) {
+ close();
+ text += str;
+ }
+ }
+ function walk(node) {
+ if (node.nodeType == 1) {
+ var cmText = node.getAttribute("cm-text");
+ if (cmText) {
+ addText(cmText);
+ return
+ }
+ var markerID = node.getAttribute("cm-marker"), range$$1;
+ if (markerID) {
+ var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
+ if (found.length && (range$$1 = found[0].find(0)))
+ { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }
+ return
+ }
+ if (node.getAttribute("contenteditable") == "false") { return }
+ var isBlock = /^(pre|div|p|li|table|br)$/i.test(node.nodeName);
+ if (!/^br$/i.test(node.nodeName) && node.textContent.length == 0) { return }
- // Used to iterate over a part of the tree.
- iterN: function iterN(at, n, op) {
- var this$1 = this;
+ if (isBlock) { close(); }
+ for (var i = 0; i < node.childNodes.length; i++)
+ { walk(node.childNodes[i]); }
- for (var e = at + n; at < e; ++at)
- { if (op(this$1.lines[at])) { return true } }
+ if (/^(pre|p)$/i.test(node.nodeName)) { extraLinebreak = true; }
+ if (isBlock) { closing = true; }
+ } else if (node.nodeType == 3) {
+ addText(node.nodeValue.replace(/\u200b/g, "").replace(/\u00a0/g, " "));
+ }
+ }
+ for (;;) {
+ walk(from);
+ if (from == to) { break }
+ from = from.nextSibling;
+ extraLinebreak = false;
+ }
+ return text
}
-};
-function BranchChunk(children) {
- var this$1 = this;
-
- this.children = children;
- var size = 0, height = 0;
- for (var i = 0; i < children.length; ++i) {
- var ch = children[i];
- size += ch.chunkSize(); height += ch.height;
- ch.parent = this$1;
+ function domToPos(cm, node, offset) {
+ var lineNode;
+ if (node == cm.display.lineDiv) {
+ lineNode = cm.display.lineDiv.childNodes[offset];
+ if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
+ node = null; offset = 0;
+ } else {
+ for (lineNode = node;; lineNode = lineNode.parentNode) {
+ if (!lineNode || lineNode == cm.display.lineDiv) { return null }
+ if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
+ }
+ }
+ for (var i = 0; i < cm.display.view.length; i++) {
+ var lineView = cm.display.view[i];
+ if (lineView.node == lineNode)
+ { return locateNodeInLineView(lineView, node, offset) }
+ }
}
- this.size = size;
- this.height = height;
- this.parent = null;
-}
-
-BranchChunk.prototype = {
- chunkSize: function chunkSize() { return this.size },
-
- removeInner: function removeInner(at, n) {
- var this$1 = this;
-
- this.size -= n;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this$1.children[i], sz = child.chunkSize();
- if (at < sz) {
- var rm = Math.min(n, sz - at), oldHeight = child.height;
- child.removeInner(at, rm);
- this$1.height -= oldHeight - child.height;
- if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }
- if ((n -= rm) == 0) { break }
- at = 0;
- } else { at -= sz; }
- }
- // If the result is smaller than 25 lines, ensure that it is a
- // single leaf node.
- if (this.size - n < 25 &&
- (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {
- var lines = [];
- this.collapse(lines);
- this.children = [new LeafChunk(lines)];
- this.children[0].parent = this;
- }
- },
-
- collapse: function collapse(lines) {
- var this$1 = this;
- for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }
- },
+ function locateNodeInLineView(lineView, node, offset) {
+ var wrapper = lineView.text.firstChild, bad = false;
+ if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
+ if (node == wrapper) {
+ bad = true;
+ node = wrapper.childNodes[offset];
+ offset = 0;
+ if (!node) {
+ var line = lineView.rest ? lst(lineView.rest) : lineView.line;
+ return badPos(Pos(lineNo(line), line.text.length), bad)
+ }
+ }
- insertInner: function insertInner(at, lines, height) {
- var this$1 = this;
+ var textNode = node.nodeType == 3 ? node : null, topNode = node;
+ if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
+ textNode = node.firstChild;
+ if (offset) { offset = textNode.nodeValue.length; }
+ }
+ while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
+ var measure = lineView.measure, maps = measure.maps;
- this.size += lines.length;
- this.height += height;
- for (var i = 0; i < this.children.length; ++i) {
- var child = this$1.children[i], sz = child.chunkSize();
- if (at <= sz) {
- child.insertInner(at, lines, height);
- if (child.lines && child.lines.length > 50) {
- // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it's never spliced.
- // Instead, small slices are taken. They're taken in order because sequential memory accesses are fastest.
- var remaining = child.lines.length % 25 + 25;
- for (var pos = remaining; pos < child.lines.length;) {
- var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));
- child.height -= leaf.height;
- this$1.children.splice(++i, 0, leaf);
- leaf.parent = this$1;
+ function find(textNode, topNode, offset) {
+ for (var i = -1; i < (maps ? maps.length : 0); i++) {
+ var map$$1 = i < 0 ? measure.map : maps[i];
+ for (var j = 0; j < map$$1.length; j += 3) {
+ var curNode = map$$1[j + 2];
+ if (curNode == textNode || curNode == topNode) {
+ var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
+ var ch = map$$1[j] + offset;
+ if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }
+ return Pos(line, ch)
}
- child.lines = child.lines.slice(0, remaining);
- this$1.maybeSpill();
}
- break
}
- at -= sz;
}
- },
+ var found = find(textNode, topNode, offset);
+ if (found) { return badPos(found, bad) }
- // When a node has grown, check whether it should be split.
- maybeSpill: function maybeSpill() {
- if (this.children.length <= 10) { return }
- var me = this;
- do {
- var spilled = me.children.splice(me.children.length - 5, 5);
- var sibling = new BranchChunk(spilled);
- if (!me.parent) { // Become the parent node
- var copy = new BranchChunk(me.children);
- copy.parent = me;
- me.children = [copy, sibling];
- me = copy;
- } else {
- me.size -= sibling.size;
- me.height -= sibling.height;
- var myIndex = indexOf(me.parent.children, me);
- me.parent.children.splice(myIndex + 1, 0, sibling);
- }
- sibling.parent = me.parent;
- } while (me.children.length > 10)
- me.parent.maybeSpill();
- },
-
- iterN: function iterN(at, n, op) {
- var this$1 = this;
-
- for (var i = 0; i < this.children.length; ++i) {
- var child = this$1.children[i], sz = child.chunkSize();
- if (at < sz) {
- var used = Math.min(n, sz - at);
- if (child.iterN(at, used, op)) { return true }
- if ((n -= used) == 0) { break }
- at = 0;
- } else { at -= sz; }
+ // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
+ for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
+ found = find(after, after.firstChild, 0);
+ if (found)
+ { return badPos(Pos(found.line, found.ch - dist), bad) }
+ else
+ { dist += after.textContent.length; }
+ }
+ for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
+ found = find(before, before.firstChild, -1);
+ if (found)
+ { return badPos(Pos(found.line, found.ch + dist$1), bad) }
+ else
+ { dist$1 += before.textContent.length; }
}
}
-};
-// Line widgets are block elements displayed above or below a line.
+ // TEXTAREA INPUT STYLE
-var LineWidget = function(doc, node, options) {
- var this$1 = this;
+ var TextareaInput = function(cm) {
+ this.cm = cm;
+ // See input.poll and input.reset
+ this.prevInput = "";
- if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))
- { this$1[opt] = options[opt]; } } }
- this.doc = doc;
- this.node = node;
-};
+ // Flag that indicates whether we expect input to appear real soon
+ // now (after some event like 'keypress' or 'input') and are
+ // polling intensively.
+ this.pollingFast = false;
+ // Self-resetting timeout for the poller
+ this.polling = new Delayed();
+ // Used to work around IE issue with selection being forgotten when focus moves away from textarea
+ this.hasSelection = false;
+ this.composing = null;
+ };
-LineWidget.prototype.clear = function () {
- var this$1 = this;
+ TextareaInput.prototype.init = function (display) {
+ var this$1 = this;
- var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);
- if (no == null || !ws) { return }
- for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }
- if (!ws.length) { line.widgets = null; }
- var height = widgetHeight(this);
- updateLineHeight(line, Math.max(0, line.height - height));
- if (cm) {
- runInOp(cm, function () {
- adjustScrollWhenAboveVisible(cm, line, -height);
- regLineChange(cm, no, "widget");
- });
- signalLater(cm, "lineWidgetCleared", cm, this, no);
- }
-};
+ var input = this, cm = this.cm;
+ this.createField(display);
+ var te = this.textarea;
-LineWidget.prototype.changed = function () {
- var this$1 = this;
+ display.wrapper.insertBefore(this.wrapper, display.wrapper.firstChild);
- var oldH = this.height, cm = this.doc.cm, line = this.line;
- this.height = null;
- var diff = widgetHeight(this) - oldH;
- if (!diff) { return }
- updateLineHeight(line, line.height + diff);
- if (cm) {
- runInOp(cm, function () {
- cm.curOp.forceUpdate = true;
- adjustScrollWhenAboveVisible(cm, line, diff);
- signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));
+ // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
+ if (ios) { te.style.width = "0px"; }
+
+ on(te, "input", function () {
+ if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
+ input.poll();
});
- }
-};
-eventMixin(LineWidget);
-function adjustScrollWhenAboveVisible(cm, line, diff) {
- if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))
- { addToScrollTop(cm, diff); }
-}
+ on(te, "paste", function (e) {
+ if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
-function addLineWidget(doc, handle, node, options) {
- var widget = new LineWidget(doc, node, options);
- var cm = doc.cm;
- if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
- changeLine(doc, handle, "widget", function (line) {
- var widgets = line.widgets || (line.widgets = []);
- if (widget.insertAt == null) { widgets.push(widget); }
- else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
- widget.line = line;
- if (cm && !lineIsHidden(doc, line)) {
- var aboveVisible = heightAtLine(line) < doc.scrollTop;
- updateLineHeight(line, line.height + widgetHeight(widget));
- if (aboveVisible) { addToScrollTop(cm, widget.height); }
- cm.curOp.forceUpdate = true;
+ cm.state.pasteIncoming = +new Date;
+ input.fastPoll();
+ });
+
+ function prepareCopyCut(e) {
+ if (signalDOMEvent(cm, e)) { return }
+ if (cm.somethingSelected()) {
+ setLastCopied({lineWise: false, text: cm.getSelections()});
+ } else if (!cm.options.lineWiseCopyCut) {
+ return
+ } else {
+ var ranges = copyableRanges(cm);
+ setLastCopied({lineWise: true, text: ranges.text});
+ if (e.type == "cut") {
+ cm.setSelections(ranges.ranges, null, sel_dontScroll);
+ } else {
+ input.prevInput = "";
+ te.value = ranges.text.join("\n");
+ selectInput(te);
+ }
+ }
+ if (e.type == "cut") { cm.state.cutIncoming = +new Date; }
}
- return true
- });
- signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle));
- return widget
-}
+ on(te, "cut", prepareCopyCut);
+ on(te, "copy", prepareCopyCut);
-// TEXTMARKERS
-
-// Created with markText and setBookmark methods. A TextMarker is a
-// handle that can be used to clear or find a marked position in the
-// document. Line objects hold arrays (markedSpans) containing
-// {from, to, marker} object pointing to such marker objects, and
-// indicating that such a marker is present on that line. Multiple
-// lines may point to the same marker when it spans across lines.
-// The spans will have null for their from/to properties when the
-// marker continues beyond the start/end of the line. Markers have
-// links back to the lines they currently touch.
-
-// Collapsed markers have unique ids, in order to be able to order
-// them, which is needed for uniquely determining an outer marker
-// when they overlap (they may nest, but not partially overlap).
-var nextMarkerId = 0;
-
-var TextMarker = function(doc, type) {
- this.lines = [];
- this.type = type;
- this.doc = doc;
- this.id = ++nextMarkerId;
-};
+ on(display.scroller, "paste", function (e) {
+ if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
+ if (!te.dispatchEvent) {
+ cm.state.pasteIncoming = +new Date;
+ input.focus();
+ return
+ }
-// Clear the marker.
-TextMarker.prototype.clear = function () {
- var this$1 = this;
+ // Pass the `paste` event to the textarea so it's handled by its event listener.
+ var event = new Event("paste");
+ event.clipboardData = e.clipboardData;
+ te.dispatchEvent(event);
+ });
- if (this.explicitlyCleared) { return }
- var cm = this.doc.cm, withOp = cm && !cm.curOp;
- if (withOp) { startOperation(cm); }
- if (hasHandler(this, "clear")) {
- var found = this.find();
- if (found) { signalLater(this, "clear", found.from, found.to); }
- }
- var min = null, max = null;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this$1.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this$1);
- if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }
- else if (cm) {
- if (span.to != null) { max = lineNo(line); }
- if (span.from != null) { min = lineNo(line); }
- }
- line.markedSpans = removeMarkedSpan(line.markedSpans, span);
- if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)
- { updateLineHeight(line, textHeight(cm.display)); }
- }
- if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {
- var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);
- if (len > cm.display.maxLineLength) {
- cm.display.maxLine = visual;
- cm.display.maxLineLength = len;
- cm.display.maxLineChanged = true;
- }
- } }
-
- if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }
- this.lines.length = 0;
- this.explicitlyCleared = true;
- if (this.atomic && this.doc.cantEdit) {
- this.doc.cantEdit = false;
- if (cm) { reCheckSelection(cm.doc); }
- }
- if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }
- if (withOp) { endOperation(cm); }
- if (this.parent) { this.parent.clear(); }
-};
+ // Prevent normal selection in the editor (we handle our own)
+ on(display.lineSpace, "selectstart", function (e) {
+ if (!eventInWidget(display, e)) { e_preventDefault(e); }
+ });
-// Find the position of the marker in the document. Returns a {from,
-// to} object by default. Side can be passed to get a specific side
-// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the
-// Pos objects returned contain a line object, rather than a line
-// number (used to prevent looking up the same line twice).
-TextMarker.prototype.find = function (side, lineObj) {
- var this$1 = this;
+ on(te, "compositionstart", function () {
+ var start = cm.getCursor("from");
+ if (input.composing) { input.composing.range.clear(); }
+ input.composing = {
+ start: start,
+ range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
+ };
+ });
+ on(te, "compositionend", function () {
+ if (input.composing) {
+ input.poll();
+ input.composing.range.clear();
+ input.composing = null;
+ }
+ });
+ };
- if (side == null && this.type == "bookmark") { side = 1; }
- var from, to;
- for (var i = 0; i < this.lines.length; ++i) {
- var line = this$1.lines[i];
- var span = getMarkedSpanFor(line.markedSpans, this$1);
- if (span.from != null) {
- from = Pos(lineObj ? line : lineNo(line), span.from);
- if (side == -1) { return from }
- }
- if (span.to != null) {
- to = Pos(lineObj ? line : lineNo(line), span.to);
- if (side == 1) { return to }
- }
- }
- return from && {from: from, to: to}
-};
+ TextareaInput.prototype.createField = function (_display) {
+ // Wraps and hides input textarea
+ this.wrapper = hiddenTextarea();
+ // The semihidden textarea that is focused when the editor is
+ // focused, and receives input.
+ this.textarea = this.wrapper.firstChild;
+ };
-// Signals that the marker's widget changed, and surrounding layout
-// should be recomputed.
-TextMarker.prototype.changed = function () {
- var this$1 = this;
+ TextareaInput.prototype.prepareSelection = function () {
+ // Redraw the selection and/or cursor
+ var cm = this.cm, display = cm.display, doc = cm.doc;
+ var result = prepareSelection(cm);
- var pos = this.find(-1, true), widget = this, cm = this.doc.cm;
- if (!pos || !cm) { return }
- runInOp(cm, function () {
- var line = pos.line, lineN = lineNo(pos.line);
- var view = findViewForLine(cm, lineN);
- if (view) {
- clearLineMeasurementCacheFor(view);
- cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;
- }
- cm.curOp.updateMaxLine = true;
- if (!lineIsHidden(widget.doc, line) && widget.height != null) {
- var oldHeight = widget.height;
- widget.height = null;
- var dHeight = widgetHeight(widget) - oldHeight;
- if (dHeight)
- { updateLineHeight(line, line.height + dHeight); }
- }
- signalLater(cm, "markerChanged", cm, this$1);
- });
-};
+ // Move the hidden textarea near the cursor to prevent scrolling artifacts
+ if (cm.options.moveInputWithCursor) {
+ var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
+ var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
+ result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
+ headPos.top + lineOff.top - wrapOff.top));
+ result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
+ headPos.left + lineOff.left - wrapOff.left));
+ }
-TextMarker.prototype.attachLine = function (line) {
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;
- if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)
- { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }
- }
- this.lines.push(line);
-};
+ return result
+ };
-TextMarker.prototype.detachLine = function (line) {
- this.lines.splice(indexOf(this.lines, line), 1);
- if (!this.lines.length && this.doc.cm) {
- var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);
- }
-};
-eventMixin(TextMarker);
-
-// Create a marker, wire it up to the right lines, and
-function markText(doc, from, to, options, type) {
- // Shared markers (across linked documents) are handled separately
- // (markTextShared will call out to this again, once per
- // document).
- if (options && options.shared) { return markTextShared(doc, from, to, options, type) }
- // Ensure we are in an operation.
- if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }
-
- var marker = new TextMarker(doc, type), diff = cmp(from, to);
- if (options) { copyObj(options, marker, false); }
- // Don't connect empty markers unless clearWhenEmpty is false
- if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)
- { return marker }
- if (marker.replacedWith) {
- // Showing up as a widget implies collapsed (widget replaces text)
- marker.collapsed = true;
- marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");
- if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }
- if (options.insertLeft) { marker.widgetNode.insertLeft = true; }
- }
- if (marker.collapsed) {
- if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||
- from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))
- { throw new Error("Inserting collapsed marker partially overlapping an existing one") }
- seeCollapsedSpans();
- }
-
- if (marker.addToHistory)
- { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }
-
- var curLine = from.line, cm = doc.cm, updateMaxLine;
- doc.iter(curLine, to.line + 1, function (line) {
- if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)
- { updateMaxLine = true; }
- if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }
- addMarkedSpan(line, new MarkedSpan(marker,
- curLine == from.line ? from.ch : null,
- curLine == to.line ? to.ch : null));
- ++curLine;
- });
- // lineIsHidden depends on the presence of the spans, so needs a second pass
- if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {
- if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }
- }); }
-
- if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }
-
- if (marker.readOnly) {
- seeReadOnlySpans();
- if (doc.history.done.length || doc.history.undone.length)
- { doc.clearHistory(); }
- }
- if (marker.collapsed) {
- marker.id = ++nextMarkerId;
- marker.atomic = true;
- }
- if (cm) {
- // Sync editor state
- if (updateMaxLine) { cm.curOp.updateMaxLine = true; }
- if (marker.collapsed)
- { regChange(cm, from.line, to.line + 1); }
- else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)
- { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }
- if (marker.atomic) { reCheckSelection(cm.doc); }
- signalLater(cm, "markerAdded", cm, marker);
- }
- return marker
-}
+ TextareaInput.prototype.showSelection = function (drawn) {
+ var cm = this.cm, display = cm.display;
+ removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
+ removeChildrenAndAdd(display.selectionDiv, drawn.selection);
+ if (drawn.teTop != null) {
+ this.wrapper.style.top = drawn.teTop + "px";
+ this.wrapper.style.left = drawn.teLeft + "px";
+ }
+ };
-// SHARED TEXTMARKERS
+ // Reset the input to correspond to the selection (or to be empty,
+ // when not typing and nothing is selected)
+ TextareaInput.prototype.reset = function (typing) {
+ if (this.contextMenuPending || this.composing) { return }
+ var cm = this.cm;
+ if (cm.somethingSelected()) {
+ this.prevInput = "";
+ var content = cm.getSelection();
+ this.textarea.value = content;
+ if (cm.state.focused) { selectInput(this.textarea); }
+ if (ie && ie_version >= 9) { this.hasSelection = content; }
+ } else if (!typing) {
+ this.prevInput = this.textarea.value = "";
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ }
+ };
-// A shared marker spans multiple linked documents. It is
-// implemented as a meta-marker-object controlling multiple normal
-// markers.
-var SharedTextMarker = function(markers, primary) {
- var this$1 = this;
+ TextareaInput.prototype.getField = function () { return this.textarea };
- this.markers = markers;
- this.primary = primary;
- for (var i = 0; i < markers.length; ++i)
- { markers[i].parent = this$1; }
-};
+ TextareaInput.prototype.supportsTouch = function () { return false };
-SharedTextMarker.prototype.clear = function () {
- var this$1 = this;
+ TextareaInput.prototype.focus = function () {
+ if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
+ try { this.textarea.focus(); }
+ catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
+ }
+ };
- if (this.explicitlyCleared) { return }
- this.explicitlyCleared = true;
- for (var i = 0; i < this.markers.length; ++i)
- { this$1.markers[i].clear(); }
- signalLater(this, "clear");
-};
+ TextareaInput.prototype.blur = function () { this.textarea.blur(); };
-SharedTextMarker.prototype.find = function (side, lineObj) {
- return this.primary.find(side, lineObj)
-};
-eventMixin(SharedTextMarker);
-
-function markTextShared(doc, from, to, options, type) {
- options = copyObj(options);
- options.shared = false;
- var markers = [markText(doc, from, to, options, type)], primary = markers[0];
- var widget = options.widgetNode;
- linkedDocs(doc, function (doc) {
- if (widget) { options.widgetNode = widget.cloneNode(true); }
- markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));
- for (var i = 0; i < doc.linked.length; ++i)
- { if (doc.linked[i].isParent) { return } }
- primary = lst(markers);
- });
- return new SharedTextMarker(markers, primary)
-}
+ TextareaInput.prototype.resetPosition = function () {
+ this.wrapper.style.top = this.wrapper.style.left = 0;
+ };
-function findSharedMarkers(doc) {
- return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })
-}
+ TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };
-function copySharedMarkers(doc, markers) {
- for (var i = 0; i < markers.length; i++) {
- var marker = markers[i], pos = marker.find();
- var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);
- if (cmp(mFrom, mTo)) {
- var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);
- marker.markers.push(subMark);
- subMark.parent = marker;
- }
- }
-}
+ // Poll for input changes, using the normal rate of polling. This
+ // runs as long as the editor is focused.
+ TextareaInput.prototype.slowPoll = function () {
+ var this$1 = this;
-function detachSharedMarkers(markers) {
- var loop = function ( i ) {
- var marker = markers[i], linked = [marker.primary.doc];
- linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });
- for (var j = 0; j < marker.markers.length; j++) {
- var subMarker = marker.markers[j];
- if (indexOf(linked, subMarker.doc) == -1) {
- subMarker.parent = null;
- marker.markers.splice(j--, 1);
- }
+ if (this.pollingFast) { return }
+ this.polling.set(this.cm.options.pollInterval, function () {
+ this$1.poll();
+ if (this$1.cm.state.focused) { this$1.slowPoll(); }
+ });
+ };
+
+ // When an event has just come in that is likely to add or change
+ // something in the input textarea, we poll faster, to ensure that
+ // the change appears on the screen quickly.
+ TextareaInput.prototype.fastPoll = function () {
+ var missed = false, input = this;
+ input.pollingFast = true;
+ function p() {
+ var changed = input.poll();
+ if (!changed && !missed) {missed = true; input.polling.set(60, p);}
+ else {input.pollingFast = false; input.slowPoll();}
}
+ input.polling.set(20, p);
};
- for (var i = 0; i < markers.length; i++) loop( i );
-}
+ // Read input from the textarea, and update the document to match.
+ // When something is selected, it is present in the textarea, and
+ // selected (unless it is huge, in which case a placeholder is
+ // used). When nothing is selected, the cursor sits after previously
+ // seen text (can be empty), which is stored in prevInput (we must
+ // not reset the textarea when typing, because that breaks IME).
+ TextareaInput.prototype.poll = function () {
+ var this$1 = this;
-var nextDocId = 0;
-var Doc = function(text, mode, firstLine, lineSep, direction) {
- if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }
- if (firstLine == null) { firstLine = 0; }
-
- BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);
- this.first = firstLine;
- this.scrollTop = this.scrollLeft = 0;
- this.cantEdit = false;
- this.cleanGeneration = 1;
- this.modeFrontier = this.highlightFrontier = firstLine;
- var start = Pos(firstLine, 0);
- this.sel = simpleSelection(start);
- this.history = new History(null);
- this.id = ++nextDocId;
- this.modeOption = mode;
- this.lineSep = lineSep;
- this.direction = (direction == "rtl") ? "rtl" : "ltr";
- this.extend = false;
-
- if (typeof text == "string") { text = this.splitLines(text); }
- updateDoc(this, {from: start, to: start, text: text});
- setSelection(this, simpleSelection(start), sel_dontScroll);
-};
-
-Doc.prototype = createObj(BranchChunk.prototype, {
- constructor: Doc,
- // Iterate over the document. Supports two forms -- with only one
- // argument, it calls that for each line in the document. With
- // three, it iterates over the range given by the first two (with
- // the second being non-inclusive).
- iter: function(from, to, op) {
- if (op) { this.iterN(from - this.first, to - from, op); }
- else { this.iterN(this.first, this.first + this.size, from); }
- },
-
- // Non-public interface for adding and removing lines.
- insert: function(at, lines) {
- var height = 0;
- for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }
- this.insertInner(at - this.first, lines, height);
- },
- remove: function(at, n) { this.removeInner(at - this.first, n); },
-
- // From here, the methods are part of the public interface. Most
- // are also available from CodeMirror (editor) instances.
+ var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
+ // Since this is called a *lot*, try to bail out as cheaply as
+ // possible when it is clear that nothing happened. hasSelection
+ // will be the case when there is a lot of text in the textarea,
+ // in which case reading its value would be expensive.
+ if (this.contextMenuPending || !cm.state.focused ||
+ (hasSelection(input) && !prevInput && !this.composing) ||
+ cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
+ { return false }
+
+ var text = input.value;
+ // If nothing changed, bail.
+ if (text == prevInput && !cm.somethingSelected()) { return false }
+ // Work around nonsensical selection resetting in IE9/10, and
+ // inexplicable appearance of private area unicode characters on
+ // some key combos in Mac (#2689).
+ if (ie && ie_version >= 9 && this.hasSelection === text ||
+ mac && /[\uf700-\uf7ff]/.test(text)) {
+ cm.display.input.reset();
+ return false
+ }
- getValue: function(lineSep) {
- var lines = getLines(this, this.first, this.first + this.size);
- if (lineSep === false) { return lines }
- return lines.join(lineSep || this.lineSeparator())
- },
- setValue: docMethodOp(function(code) {
- var top = Pos(this.first, 0), last = this.first + this.size - 1;
- makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),
- text: this.splitLines(code), origin: "setValue", full: true}, true);
- if (this.cm) { scrollToCoords(this.cm, 0, 0); }
- setSelection(this, simpleSelection(top), sel_dontScroll);
- }),
- replaceRange: function(code, from, to, origin) {
- from = clipPos(this, from);
- to = to ? clipPos(this, to) : from;
- replaceRange(this, code, from, to, origin);
- },
- getRange: function(from, to, lineSep) {
- var lines = getBetween(this, clipPos(this, from), clipPos(this, to));
- if (lineSep === false) { return lines }
- return lines.join(lineSep || this.lineSeparator())
- },
+ if (cm.doc.sel == cm.display.selForContextMenu) {
+ var first = text.charCodeAt(0);
+ if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
+ if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
+ }
+ // Find the part of the input that is actually new
+ var same = 0, l = Math.min(prevInput.length, text.length);
+ while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }
- getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},
+ runInOp(cm, function () {
+ applyTextInput(cm, text.slice(same), prevInput.length - same,
+ null, this$1.composing ? "*compose" : null);
- getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},
- getLineNumber: function(line) {return lineNo(line)},
+ // Don't leave long text in the textarea, since it makes further polling slow
+ if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
+ else { this$1.prevInput = text; }
- getLineHandleVisualStart: function(line) {
- if (typeof line == "number") { line = getLine(this, line); }
- return visualLine(line)
- },
+ if (this$1.composing) {
+ this$1.composing.range.clear();
+ this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
+ {className: "CodeMirror-composing"});
+ }
+ });
+ return true
+ };
- lineCount: function() {return this.size},
- firstLine: function() {return this.first},
- lastLine: function() {return this.first + this.size - 1},
+ TextareaInput.prototype.ensurePolled = function () {
+ if (this.pollingFast && this.poll()) { this.pollingFast = false; }
+ };
- clipPos: function(pos) {return clipPos(this, pos)},
+ TextareaInput.prototype.onKeyPress = function () {
+ if (ie && ie_version >= 9) { this.hasSelection = null; }
+ this.fastPoll();
+ };
+
+ TextareaInput.prototype.onContextMenu = function (e) {
+ var input = this, cm = input.cm, display = cm.display, te = input.textarea;
+ if (input.contextMenuPending) { input.contextMenuPending(); }
+ var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
+ if (!pos || presto) { return } // Opera is difficult.
+
+ // Reset the current text selection only if the click is done outside of the selection
+ // and 'resetSelectionOnContextMenu' option is true.
+ var reset = cm.options.resetSelectionOnContextMenu;
+ if (reset && cm.doc.sel.contains(pos) == -1)
+ { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }
+
+ var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
+ var wrapperBox = input.wrapper.offsetParent.getBoundingClientRect();
+ input.wrapper.style.cssText = "position: static";
+ te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
+ var oldScrollY;
+ if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
+ display.input.focus();
+ if (webkit) { window.scrollTo(null, oldScrollY); }
+ display.input.reset();
+ // Adds "Select all" to context menu in FF
+ if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
+ input.contextMenuPending = rehide;
+ display.selForContextMenu = cm.doc.sel;
+ clearTimeout(display.detectingSelectAll);
+
+ // Select-all will be greyed out if there's nothing to select, so
+ // this adds a zero-width space so that we can later check whether
+ // it got selected.
+ function prepareSelectAllHack() {
+ if (te.selectionStart != null) {
+ var selected = cm.somethingSelected();
+ var extval = "\u200b" + (selected ? te.value : "");
+ te.value = "\u21da"; // Used to catch context-menu undo
+ te.value = extval;
+ input.prevInput = selected ? "" : "\u200b";
+ te.selectionStart = 1; te.selectionEnd = extval.length;
+ // Re-set this, in case some other handler touched the
+ // selection in the meantime.
+ display.selForContextMenu = cm.doc.sel;
+ }
+ }
+ function rehide() {
+ if (input.contextMenuPending != rehide) { return }
+ input.contextMenuPending = false;
+ input.wrapper.style.cssText = oldWrapperCSS;
+ te.style.cssText = oldCSS;
+ if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }
+
+ // Try to detect the user choosing select-all
+ if (te.selectionStart != null) {
+ if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
+ var i = 0, poll = function () {
+ if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
+ te.selectionEnd > 0 && input.prevInput == "\u200b") {
+ operation(cm, selectAll)(cm);
+ } else if (i++ < 10) {
+ display.detectingSelectAll = setTimeout(poll, 500);
+ } else {
+ display.selForContextMenu = null;
+ display.input.reset();
+ }
+ };
+ display.detectingSelectAll = setTimeout(poll, 200);
+ }
+ }
- getCursor: function(start) {
- var range$$1 = this.sel.primary(), pos;
- if (start == null || start == "head") { pos = range$$1.head; }
- else if (start == "anchor") { pos = range$$1.anchor; }
- else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }
- else { pos = range$$1.from(); }
- return pos
- },
- listSelections: function() { return this.sel.ranges },
- somethingSelected: function() {return this.sel.somethingSelected()},
+ if (ie && ie_version >= 9) { prepareSelectAllHack(); }
+ if (captureRightClick) {
+ e_stop(e);
+ var mouseup = function () {
+ off(window, "mouseup", mouseup);
+ setTimeout(rehide, 20);
+ };
+ on(window, "mouseup", mouseup);
+ } else {
+ setTimeout(rehide, 50);
+ }
+ };
- setCursor: docMethodOp(function(line, ch, options) {
- setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);
- }),
- setSelection: docMethodOp(function(anchor, head, options) {
- setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);
- }),
- extendSelection: docMethodOp(function(head, other, options) {
- extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);
- }),
- extendSelections: docMethodOp(function(heads, options) {
- extendSelections(this, clipPosArray(this, heads), options);
- }),
- extendSelectionsBy: docMethodOp(function(f, options) {
- var heads = map(this.sel.ranges, f);
- extendSelections(this, clipPosArray(this, heads), options);
- }),
- setSelections: docMethodOp(function(ranges, primary, options) {
- var this$1 = this;
+ TextareaInput.prototype.readOnlyChanged = function (val) {
+ if (!val) { this.reset(); }
+ this.textarea.disabled = val == "nocursor";
+ };
- if (!ranges.length) { return }
- var out = [];
- for (var i = 0; i < ranges.length; i++)
- { out[i] = new Range(clipPos(this$1, ranges[i].anchor),
- clipPos(this$1, ranges[i].head)); }
- if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }
- setSelection(this, normalizeSelection(out, primary), options);
- }),
- addSelection: docMethodOp(function(anchor, head, options) {
- var ranges = this.sel.ranges.slice(0);
- ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));
- setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);
- }),
+ TextareaInput.prototype.setUneditable = function () {};
- getSelection: function(lineSep) {
- var this$1 = this;
+ TextareaInput.prototype.needsContentAttribute = false;
- var ranges = this.sel.ranges, lines;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
- lines = lines ? lines.concat(sel) : sel;
+ function fromTextArea(textarea, options) {
+ options = options ? copyObj(options) : {};
+ options.value = textarea.value;
+ if (!options.tabindex && textarea.tabIndex)
+ { options.tabindex = textarea.tabIndex; }
+ if (!options.placeholder && textarea.placeholder)
+ { options.placeholder = textarea.placeholder; }
+ // Set autofocus to true if this textarea is focused, or if it has
+ // autofocus and no other element is focused.
+ if (options.autofocus == null) {
+ var hasFocus = activeElt();
+ options.autofocus = hasFocus == textarea ||
+ textarea.getAttribute("autofocus") != null && hasFocus == document.body;
}
- if (lineSep === false) { return lines }
- else { return lines.join(lineSep || this.lineSeparator()) }
- },
- getSelections: function(lineSep) {
- var this$1 = this;
- var parts = [], ranges = this.sel.ranges;
- for (var i = 0; i < ranges.length; i++) {
- var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());
- if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }
- parts[i] = sel;
- }
- return parts
- },
- replaceSelection: function(code, collapse, origin) {
- var dup = [];
- for (var i = 0; i < this.sel.ranges.length; i++)
- { dup[i] = code; }
- this.replaceSelections(dup, collapse, origin || "+input");
- },
- replaceSelections: docMethodOp(function(code, collapse, origin) {
- var this$1 = this;
+ function save() {textarea.value = cm.getValue();}
- var changes = [], sel = this.sel;
- for (var i = 0; i < sel.ranges.length; i++) {
- var range$$1 = sel.ranges[i];
- changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};
+ var realSubmit;
+ if (textarea.form) {
+ on(textarea.form, "submit", save);
+ // Deplorable hack to make the submit method do the right thing.
+ if (!options.leaveSubmitMethodAlone) {
+ var form = textarea.form;
+ realSubmit = form.submit;
+ try {
+ var wrappedSubmit = form.submit = function () {
+ save();
+ form.submit = realSubmit;
+ form.submit();
+ form.submit = wrappedSubmit;
+ };
+ } catch(e) {}
+ }
}
- var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);
- for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)
- { makeChange(this$1, changes[i$1]); }
- if (newSel) { setSelectionReplaceHistory(this, newSel); }
- else if (this.cm) { ensureCursorVisible(this.cm); }
- }),
- undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),
- redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),
- undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),
- redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),
- setExtending: function(val) {this.extend = val;},
- getExtending: function() {return this.extend},
-
- historySize: function() {
- var hist = this.history, done = 0, undone = 0;
- for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }
- for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }
- return {undo: done, redo: undone}
- },
- clearHistory: function() {this.history = new History(this.history.maxGeneration);},
-
- markClean: function() {
- this.cleanGeneration = this.changeGeneration(true);
- },
- changeGeneration: function(forceSplit) {
- if (forceSplit)
- { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }
- return this.history.generation
- },
- isClean: function (gen) {
- return this.history.generation == (gen || this.cleanGeneration)
- },
+ options.finishInit = function (cm) {
+ cm.save = save;
+ cm.getTextArea = function () { return textarea; };
+ cm.toTextArea = function () {
+ cm.toTextArea = isNaN; // Prevent this from being ran twice
+ save();
+ textarea.parentNode.removeChild(cm.getWrapperElement());
+ textarea.style.display = "";
+ if (textarea.form) {
+ off(textarea.form, "submit", save);
+ if (typeof textarea.form.submit == "function")
+ { textarea.form.submit = realSubmit; }
+ }
+ };
+ };
- getHistory: function() {
- return {done: copyHistoryArray(this.history.done),
- undone: copyHistoryArray(this.history.undone)}
- },
- setHistory: function(histData) {
- var hist = this.history = new History(this.history.maxGeneration);
- hist.done = copyHistoryArray(histData.done.slice(0), null, true);
- hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);
- },
+ textarea.style.display = "none";
+ var cm = CodeMirror(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
+ options);
+ return cm
+ }
+
+ function addLegacyProps(CodeMirror) {
+ CodeMirror.off = off;
+ CodeMirror.on = on;
+ CodeMirror.wheelEventPixels = wheelEventPixels;
+ CodeMirror.Doc = Doc;
+ CodeMirror.splitLines = splitLinesAuto;
+ CodeMirror.countColumn = countColumn;
+ CodeMirror.findColumn = findColumn;
+ CodeMirror.isWordChar = isWordCharBasic;
+ CodeMirror.Pass = Pass;
+ CodeMirror.signal = signal;
+ CodeMirror.Line = Line;
+ CodeMirror.changeEnd = changeEnd;
+ CodeMirror.scrollbarModel = scrollbarModel;
+ CodeMirror.Pos = Pos;
+ CodeMirror.cmpPos = cmp;
+ CodeMirror.modes = modes;
+ CodeMirror.mimeModes = mimeModes;
+ CodeMirror.resolveMode = resolveMode;
+ CodeMirror.getMode = getMode;
+ CodeMirror.modeExtensions = modeExtensions;
+ CodeMirror.extendMode = extendMode;
+ CodeMirror.copyState = copyState;
+ CodeMirror.startState = startState;
+ CodeMirror.innerMode = innerMode;
+ CodeMirror.commands = commands;
+ CodeMirror.keyMap = keyMap;
+ CodeMirror.keyName = keyName;
+ CodeMirror.isModifierKey = isModifierKey;
+ CodeMirror.lookupKey = lookupKey;
+ CodeMirror.normalizeKeyMap = normalizeKeyMap;
+ CodeMirror.StringStream = StringStream;
+ CodeMirror.SharedTextMarker = SharedTextMarker;
+ CodeMirror.TextMarker = TextMarker;
+ CodeMirror.LineWidget = LineWidget;
+ CodeMirror.e_preventDefault = e_preventDefault;
+ CodeMirror.e_stopPropagation = e_stopPropagation;
+ CodeMirror.e_stop = e_stop;
+ CodeMirror.addClass = addClass;
+ CodeMirror.contains = contains;
+ CodeMirror.rmClass = rmClass;
+ CodeMirror.keyNames = keyNames;
+ }
+
+ // EDITOR CONSTRUCTOR
+
+ defineOptions(CodeMirror);
+
+ addEditorMethods(CodeMirror);
+
+ // Set up methods on CodeMirror's prototype to redirect to the editor's document.
+ var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
+ for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
+ { CodeMirror.prototype[prop] = (function(method) {
+ return function() {return method.apply(this.doc, arguments)}
+ })(Doc.prototype[prop]); } }
+
+ eventMixin(Doc);
+ CodeMirror.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
+
+ // Extra arguments are stored as the mode's dependencies, which is
+ // used by (legacy) mechanisms like loadmode.js to automatically
+ // load a mode. (Preferred mechanism is the require/define calls.)
+ CodeMirror.defineMode = function(name/*, mode, …*/) {
+ if (!CodeMirror.defaults.mode && name != "null") { CodeMirror.defaults.mode = name; }
+ defineMode.apply(this, arguments);
+ };
+
+ CodeMirror.defineMIME = defineMIME;
+
+ // Minimal default mode.
+ CodeMirror.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
+ CodeMirror.defineMIME("text/plain", "null");
+
+ // EXTENSIONS
+
+ CodeMirror.defineExtension = function (name, func) {
+ CodeMirror.prototype[name] = func;
+ };
+ CodeMirror.defineDocExtension = function (name, func) {
+ Doc.prototype[name] = func;
+ };
+
+ CodeMirror.fromTextArea = fromTextArea;
+
+ addLegacyProps(CodeMirror);
+
+ CodeMirror.version = "5.48.4";
+
+ return CodeMirror;
- setGutterMarker: docMethodOp(function(line, gutterID, value) {
- return changeLine(this, line, "gutter", function (line) {
- var markers = line.gutterMarkers || (line.gutterMarkers = {});
- markers[gutterID] = value;
- if (!value && isEmpty(markers)) { line.gutterMarkers = null; }
- return true
- })
- }),
+})));
- clearGutter: docMethodOp(function(gutterID) {
- var this$1 = this;
- this.iter(function (line) {
- if (line.gutterMarkers && line.gutterMarkers[gutterID]) {
- changeLine(this$1, line, "gutter", function () {
- line.gutterMarkers[gutterID] = null;
- if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }
- return true
- });
- }
- });
- }),
+/***/ }),
- lineInfo: function(line) {
- var n;
- if (typeof line == "number") {
- if (!isLine(this, line)) { return null }
- n = line;
- line = getLine(this, line);
- if (!line) { return null }
- } else {
- n = lineNo(line);
- if (n == null) { return null }
- }
- return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,
- textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,
- widgets: line.widgets}
- },
-
- addLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- if (!line[prop]) { line[prop] = cls; }
- else if (classTest(cls).test(line[prop])) { return false }
- else { line[prop] += " " + cls; }
- return true
- })
- }),
- removeLineClass: docMethodOp(function(handle, where, cls) {
- return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {
- var prop = where == "text" ? "textClass"
- : where == "background" ? "bgClass"
- : where == "gutter" ? "gutterClass" : "wrapClass";
- var cur = line[prop];
- if (!cur) { return false }
- else if (cls == null) { line[prop] = null; }
- else {
- var found = cur.match(classTest(cls));
- if (!found) { return false }
- var end = found.index + found[0].length;
- line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;
- }
- return true
- })
- }),
+/***/ "./node_modules/codemirror/mode/css/css.js":
+/*!*************************************************!*\
+ !*** ./node_modules/codemirror/mode/css/css.js ***!
+ \*************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- addLineWidget: docMethodOp(function(handle, node, options) {
- return addLineWidget(this, handle, node, options)
- }),
- removeLineWidget: function(widget) { widget.clear(); },
-
- markText: function(from, to, options) {
- return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")
- },
- setBookmark: function(pos, options) {
- var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),
- insertLeft: options && options.insertLeft,
- clearWhenEmpty: false, shared: options && options.shared,
- handleMouseEvents: options && options.handleMouseEvents};
- pos = clipPos(this, pos);
- return markText(this, pos, pos, realOpts, "bookmark")
- },
- findMarksAt: function(pos) {
- pos = clipPos(this, pos);
- var markers = [], spans = getLine(this, pos.line).markedSpans;
- if (spans) { for (var i = 0; i < spans.length; ++i) {
- var span = spans[i];
- if ((span.from == null || span.from <= pos.ch) &&
- (span.to == null || span.to >= pos.ch))
- { markers.push(span.marker.parent || span.marker); }
- } }
- return markers
- },
- findMarks: function(from, to, filter) {
- from = clipPos(this, from); to = clipPos(this, to);
- var found = [], lineNo$$1 = from.line;
- this.iter(from.line, to.line + 1, function (line) {
- var spans = line.markedSpans;
- if (spans) { for (var i = 0; i < spans.length; i++) {
- var span = spans[i];
- if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||
- span.from == null && lineNo$$1 != from.line ||
- span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&
- (!filter || filter(span.marker)))
- { found.push(span.marker.parent || span.marker); }
- } }
- ++lineNo$$1;
- });
- return found
- },
- getAllMarks: function() {
- var markers = [];
- this.iter(function (line) {
- var sps = line.markedSpans;
- if (sps) { for (var i = 0; i < sps.length; ++i)
- { if (sps[i].from != null) { markers.push(sps[i].marker); } } }
- });
- return markers
- },
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
- posFromIndex: function(off) {
- var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;
- this.iter(function (line) {
- var sz = line.text.length + sepSize;
- if (sz > off) { ch = off; return true }
- off -= sz;
- ++lineNo$$1;
- });
- return clipPos(this, Pos(lineNo$$1, ch))
- },
- indexFromPos: function (coords) {
- coords = clipPos(this, coords);
- var index = coords.ch;
- if (coords.line < this.first || coords.ch < 0) { return 0 }
- var sepSize = this.lineSeparator().length;
- this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value
- index += line.text.length + sepSize;
- });
- return index
- },
-
- copy: function(copyHistory) {
- var doc = new Doc(getLines(this, this.first, this.first + this.size),
- this.modeOption, this.first, this.lineSep, this.direction);
- doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;
- doc.sel = this.sel;
- doc.extend = false;
- if (copyHistory) {
- doc.history.undoDepth = this.history.undoDepth;
- doc.setHistory(this.getHistory());
- }
- return doc
- },
-
- linkedDoc: function(options) {
- if (!options) { options = {}; }
- var from = this.first, to = this.first + this.size;
- if (options.from != null && options.from > from) { from = options.from; }
- if (options.to != null && options.to < to) { to = options.to; }
- var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);
- if (options.sharedHist) { copy.history = this.history
- ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});
- copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];
- copySharedMarkers(copy, findSharedMarkers(this));
- return copy
- },
- unlinkDoc: function(other) {
- var this$1 = this;
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));
+ else {}
+})(function(CodeMirror) {
+"use strict";
- if (other instanceof CodeMirror$1) { other = other.doc; }
- if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {
- var link = this$1.linked[i];
- if (link.doc != other) { continue }
- this$1.linked.splice(i, 1);
- other.unlinkDoc(this$1);
- detachSharedMarkers(findSharedMarkers(this$1));
- break
- } }
- // If the histories were shared, split them again
- if (other.history == this.history) {
- var splitIds = [other.id];
- linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);
- other.history = new History(null);
- other.history.done = copyHistoryArray(this.history.done, splitIds);
- other.history.undone = copyHistoryArray(this.history.undone, splitIds);
- }
- },
- iterLinkedDocs: function(f) {linkedDocs(this, f);},
+CodeMirror.defineMode("css", function(config, parserConfig) {
+ var inline = parserConfig.inline
+ if (!parserConfig.propertyKeywords) parserConfig = CodeMirror.resolveMode("text/css");
- getMode: function() {return this.mode},
- getEditor: function() {return this.cm},
+ var indentUnit = config.indentUnit,
+ tokenHooks = parserConfig.tokenHooks,
+ documentTypes = parserConfig.documentTypes || {},
+ mediaTypes = parserConfig.mediaTypes || {},
+ mediaFeatures = parserConfig.mediaFeatures || {},
+ mediaValueKeywords = parserConfig.mediaValueKeywords || {},
+ propertyKeywords = parserConfig.propertyKeywords || {},
+ nonStandardPropertyKeywords = parserConfig.nonStandardPropertyKeywords || {},
+ fontProperties = parserConfig.fontProperties || {},
+ counterDescriptors = parserConfig.counterDescriptors || {},
+ colorKeywords = parserConfig.colorKeywords || {},
+ valueKeywords = parserConfig.valueKeywords || {},
+ allowNested = parserConfig.allowNested,
+ lineComment = parserConfig.lineComment,
+ supportsAtComponent = parserConfig.supportsAtComponent === true;
- splitLines: function(str) {
- if (this.lineSep) { return str.split(this.lineSep) }
- return splitLinesAuto(str)
- },
- lineSeparator: function() { return this.lineSep || "\n" },
+ var type, override;
+ function ret(style, tp) { type = tp; return style; }
- setDirection: docMethodOp(function (dir) {
- if (dir != "rtl") { dir = "ltr"; }
- if (dir == this.direction) { return }
- this.direction = dir;
- this.iter(function (line) { return line.order = null; });
- if (this.cm) { directionChanged(this.cm); }
- })
-});
+ // Tokenizers
-// Public alias.
-Doc.prototype.eachLine = Doc.prototype.iter;
-
-// Kludge to work around strange IE behavior where it'll sometimes
-// re-fire a series of drag-related events right after the drop (#1551)
-var lastDrop = 0;
-
-function onDrop(e) {
- var cm = this;
- clearDragCursor(cm);
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))
- { return }
- e_preventDefault(e);
- if (ie) { lastDrop = +new Date; }
- var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;
- if (!pos || cm.isReadOnly()) { return }
- // Might be a file drop, in which case we simply extract the text
- // and insert it.
- if (files && files.length && window.FileReader && window.File) {
- var n = files.length, text = Array(n), read = 0;
- var loadFile = function (file, i) {
- if (cm.options.allowDropFileTypes &&
- indexOf(cm.options.allowDropFileTypes, file.type) == -1)
- { return }
-
- var reader = new FileReader;
- reader.onload = operation(cm, function () {
- var content = reader.result;
- if (/[\x00-\x08\x0e-\x1f]{2}/.test(content)) { content = ""; }
- text[i] = content;
- if (++read == n) {
- pos = clipPos(cm.doc, pos);
- var change = {from: pos, to: pos,
- text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),
- origin: "paste"};
- makeChange(cm.doc, change);
- setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));
- }
- });
- reader.readAsText(file);
- };
- for (var i = 0; i < n; ++i) { loadFile(files[i], i); }
- } else { // Normal drop
- // Don't do a replace if the drop happened inside of the selected text.
- if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {
- cm.state.draggingText(e);
- // Ensure the editor is re-focused
- setTimeout(function () { return cm.display.input.focus(); }, 20);
- return
+ function tokenBase(stream, state) {
+ var ch = stream.next();
+ if (tokenHooks[ch]) {
+ var result = tokenHooks[ch](stream, state);
+ if (result !== false) return result;
}
- try {
- var text$1 = e.dataTransfer.getData("Text");
- if (text$1) {
- var selected;
- if (cm.state.draggingText && !cm.state.draggingText.copy)
- { selected = cm.listSelections(); }
- setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));
- if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)
- { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }
- cm.replaceSelection(text$1, "around", "paste");
- cm.display.input.focus();
+ if (ch == "@") {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("def", stream.current());
+ } else if (ch == "=" || (ch == "~" || ch == "|") && stream.eat("=")) {
+ return ret(null, "compare");
+ } else if (ch == "\"" || ch == "'") {
+ state.tokenize = tokenString(ch);
+ return state.tokenize(stream, state);
+ } else if (ch == "#") {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("atom", "hash");
+ } else if (ch == "!") {
+ stream.match(/^\s*\w*/);
+ return ret("keyword", "important");
+ } else if (/\d/.test(ch) || ch == "." && stream.eat(/\d/)) {
+ stream.eatWhile(/[\w.%]/);
+ return ret("number", "unit");
+ } else if (ch === "-") {
+ if (/[\d.]/.test(stream.peek())) {
+ stream.eatWhile(/[\w.%]/);
+ return ret("number", "unit");
+ } else if (stream.match(/^-[\w\\\-]*/)) {
+ stream.eatWhile(/[\w\\\-]/);
+ if (stream.match(/^\s*:/, false))
+ return ret("variable-2", "variable-definition");
+ return ret("variable-2", "variable");
+ } else if (stream.match(/^\w+-/)) {
+ return ret("meta", "meta");
}
+ } else if (/[,+>*\/]/.test(ch)) {
+ return ret(null, "select-op");
+ } else if (ch == "." && stream.match(/^-?[_a-z][_a-z0-9-]*/i)) {
+ return ret("qualifier", "qualifier");
+ } else if (/[:;{}\[\]\(\)]/.test(ch)) {
+ return ret(null, ch);
+ } else if (stream.match(/[\w-.]+(?=\()/)) {
+ if (/^(url(-prefix)?|domain|regexp)$/.test(stream.current().toLowerCase())) {
+ state.tokenize = tokenParenthesized;
+ }
+ return ret("variable callee", "variable");
+ } else if (/[\w\\\-]/.test(ch)) {
+ stream.eatWhile(/[\w\\\-]/);
+ return ret("property", "word");
+ } else {
+ return ret(null, null);
}
- catch(e){}
}
-}
-
-function onDragStart(cm, e) {
- if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }
- if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }
- e.dataTransfer.setData("Text", cm.getSelection());
- e.dataTransfer.effectAllowed = "copyMove";
+ function tokenString(quote) {
+ return function(stream, state) {
+ var escaped = false, ch;
+ while ((ch = stream.next()) != null) {
+ if (ch == quote && !escaped) {
+ if (quote == ")") stream.backUp(1);
+ break;
+ }
+ escaped = !escaped && ch == "\\";
+ }
+ if (ch == quote || !escaped && quote != ")") state.tokenize = null;
+ return ret("string", "string");
+ };
+ }
- // Use dummy image instead of default browsers image.
- // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don't do it there.
- if (e.dataTransfer.setDragImage && !safari) {
- var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");
- img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";
- if (presto) {
- img.width = img.height = 1;
- cm.display.wrapper.appendChild(img);
- // Force a relayout, or Opera won't use our image for some obscure reason
- img._top = img.offsetTop;
- }
- e.dataTransfer.setDragImage(img, 0, 0);
- if (presto) { img.parentNode.removeChild(img); }
+ function tokenParenthesized(stream, state) {
+ stream.next(); // Must be '('
+ if (!stream.match(/\s*[\"\')]/, false))
+ state.tokenize = tokenString(")");
+ else
+ state.tokenize = null;
+ return ret(null, "(");
}
-}
-function onDragOver(cm, e) {
- var pos = posFromMouse(cm, e);
- if (!pos) { return }
- var frag = document.createDocumentFragment();
- drawSelectionCursor(cm, pos, frag);
- if (!cm.display.dragCursor) {
- cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");
- cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);
+ // Context management
+
+ function Context(type, indent, prev) {
+ this.type = type;
+ this.indent = indent;
+ this.prev = prev;
}
- removeChildrenAndAdd(cm.display.dragCursor, frag);
-}
-function clearDragCursor(cm) {
- if (cm.display.dragCursor) {
- cm.display.lineSpace.removeChild(cm.display.dragCursor);
- cm.display.dragCursor = null;
+ function pushContext(state, stream, type, indent) {
+ state.context = new Context(type, stream.indentation() + (indent === false ? 0 : indentUnit), state.context);
+ return type;
}
-}
-// These must be handled carefully, because naively registering a
-// handler for each editor will cause the editors to never be
-// garbage collected.
+ function popContext(state) {
+ if (state.context.prev)
+ state.context = state.context.prev;
+ return state.context.type;
+ }
-function forEachCodeMirror(f) {
- if (!document.getElementsByClassName) { return }
- var byClass = document.getElementsByClassName("CodeMirror");
- for (var i = 0; i < byClass.length; i++) {
- var cm = byClass[i].CodeMirror;
- if (cm) { f(cm); }
+ function pass(type, stream, state) {
+ return states[state.context.type](type, stream, state);
+ }
+ function popAndPass(type, stream, state, n) {
+ for (var i = n || 1; i > 0; i--)
+ state.context = state.context.prev;
+ return pass(type, stream, state);
}
-}
-var globalsRegistered = false;
-function ensureGlobalHandlers() {
- if (globalsRegistered) { return }
- registerGlobalHandlers();
- globalsRegistered = true;
-}
-function registerGlobalHandlers() {
- // When the window resizes, we need to refresh active editors.
- var resizeTimer;
- on(window, "resize", function () {
- if (resizeTimer == null) { resizeTimer = setTimeout(function () {
- resizeTimer = null;
- forEachCodeMirror(onResize);
- }, 100); }
- });
- // When the window loses focus, we want to show the editor as blurred
- on(window, "blur", function () { return forEachCodeMirror(onBlur); });
-}
-// Called when the window resizes
-function onResize(cm) {
- var d = cm.display;
- if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)
- { return }
- // Might be a text scaling operation, clear size caches.
- d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;
- d.scrollbarsClipped = false;
- cm.setSize();
-}
+ // Parser
-var keyNames = {
- 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",
- 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",
- 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",
- 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",
- 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",
- 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\",
- 221: "]", 222: "'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",
- 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"
-};
+ function wordAsValue(stream) {
+ var word = stream.current().toLowerCase();
+ if (valueKeywords.hasOwnProperty(word))
+ override = "atom";
+ else if (colorKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else
+ override = "variable";
+ }
-// Number keys
-for (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }
-// Alphabetic keys
-for (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }
-// Function keys
-for (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }
-
-var keyMap = {};
-
-keyMap.basic = {
- "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",
- "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",
- "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",
- "Tab": "defaultTab", "Shift-Tab": "indentAuto",
- "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",
- "Esc": "singleSelection"
-};
-// Note that the save and find-related commands aren't defined by
-// default. User code or addons can define them. Unknown commands
-// are simply ignored.
-keyMap.pcDefault = {
- "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",
- "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",
- "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",
- "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",
- "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",
- "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",
- "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",
- fallthrough: "basic"
-};
-// Very basic readline/emacs-style bindings, which are standard on Mac.
-keyMap.emacsy = {
- "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",
- "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",
- "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",
- "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",
- "Ctrl-O": "openLine"
-};
-keyMap.macDefault = {
- "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",
- "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",
- "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",
- "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",
- "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",
- "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",
- "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",
- fallthrough: ["basic", "emacsy"]
-};
-keyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;
-
-// KEYMAP DISPATCH
-
-function normalizeKeyName(name) {
- var parts = name.split(/-(?!$)/);
- name = parts[parts.length - 1];
- var alt, ctrl, shift, cmd;
- for (var i = 0; i < parts.length - 1; i++) {
- var mod = parts[i];
- if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }
- else if (/^a(lt)?$/i.test(mod)) { alt = true; }
- else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }
- else if (/^s(hift)?$/i.test(mod)) { shift = true; }
- else { throw new Error("Unrecognized modifier name: " + mod) }
- }
- if (alt) { name = "Alt-" + name; }
- if (ctrl) { name = "Ctrl-" + name; }
- if (cmd) { name = "Cmd-" + name; }
- if (shift) { name = "Shift-" + name; }
- return name
-}
+ var states = {};
-// This is a kludge to keep keymaps mostly working as raw objects
-// (backwards compatibility) while at the same time support features
-// like normalization and multi-stroke key bindings. It compiles a
-// new normalized keymap, and then updates the old object to reflect
-// this.
-function normalizeKeyMap(keymap) {
- var copy = {};
- for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {
- var value = keymap[keyname];
- if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }
- if (value == "...") { delete keymap[keyname]; continue }
-
- var keys = map(keyname.split(" "), normalizeKeyName);
- for (var i = 0; i < keys.length; i++) {
- var val = (void 0), name = (void 0);
- if (i == keys.length - 1) {
- name = keys.join(" ");
- val = value;
- } else {
- name = keys.slice(0, i + 1).join(" ");
- val = "...";
- }
- var prev = copy[name];
- if (!prev) { copy[name] = val; }
- else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }
+ states.top = function(type, stream, state) {
+ if (type == "{") {
+ return pushContext(state, stream, "block");
+ } else if (type == "}" && state.context.prev) {
+ return popContext(state);
+ } else if (supportsAtComponent && /@component/i.test(type)) {
+ return pushContext(state, stream, "atComponentBlock");
+ } else if (/^@(-moz-)?document$/i.test(type)) {
+ return pushContext(state, stream, "documentTypes");
+ } else if (/^@(media|supports|(-moz-)?document|import)$/i.test(type)) {
+ return pushContext(state, stream, "atBlock");
+ } else if (/^@(font-face|counter-style)/i.test(type)) {
+ state.stateArg = type;
+ return "restricted_atBlock_before";
+ } else if (/^@(-(moz|ms|o|webkit)-)?keyframes$/i.test(type)) {
+ return "keyframes";
+ } else if (type && type.charAt(0) == "@") {
+ return pushContext(state, stream, "at");
+ } else if (type == "hash") {
+ override = "builtin";
+ } else if (type == "word") {
+ override = "tag";
+ } else if (type == "variable-definition") {
+ return "maybeprop";
+ } else if (type == "interpolation") {
+ return pushContext(state, stream, "interpolation");
+ } else if (type == ":") {
+ return "pseudo";
+ } else if (allowNested && type == "(") {
+ return pushContext(state, stream, "parens");
}
- delete keymap[keyname];
- } }
- for (var prop in copy) { keymap[prop] = copy[prop]; }
- return keymap
-}
+ return state.context.type;
+ };
-function lookupKey(key, map$$1, handle, context) {
- map$$1 = getKeyMap(map$$1);
- var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];
- if (found === false) { return "nothing" }
- if (found === "...") { return "multi" }
- if (found != null && handle(found)) { return "handled" }
-
- if (map$$1.fallthrough) {
- if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")
- { return lookupKey(key, map$$1.fallthrough, handle, context) }
- for (var i = 0; i < map$$1.fallthrough.length; i++) {
- var result = lookupKey(key, map$$1.fallthrough[i], handle, context);
- if (result) { return result }
+ states.block = function(type, stream, state) {
+ if (type == "word") {
+ var word = stream.current().toLowerCase();
+ if (propertyKeywords.hasOwnProperty(word)) {
+ override = "property";
+ return "maybeprop";
+ } else if (nonStandardPropertyKeywords.hasOwnProperty(word)) {
+ override = "string-2";
+ return "maybeprop";
+ } else if (allowNested) {
+ override = stream.match(/^\s*:(?:\s|$)/, false) ? "property" : "tag";
+ return "block";
+ } else {
+ override += " error";
+ return "maybeprop";
+ }
+ } else if (type == "meta") {
+ return "block";
+ } else if (!allowNested && (type == "hash" || type == "qualifier")) {
+ override = "error";
+ return "block";
+ } else {
+ return states.top(type, stream, state);
}
- }
-}
-
-// Modifier key presses don't count as 'real' key presses for the
-// purpose of keymap fallthrough.
-function isModifierKey(value) {
- var name = typeof value == "string" ? value : keyNames[value.keyCode];
- return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"
-}
-
-function addModifierNames(name, event, noShift) {
- var base = name;
- if (event.altKey && base != "Alt") { name = "Alt-" + name; }
- if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }
- if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }
- if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }
- return name
-}
+ };
-// Look up the name of a key as indicated by an event object.
-function keyName(event, noShift) {
- if (presto && event.keyCode == 34 && event["char"]) { return false }
- var name = keyNames[event.keyCode];
- if (name == null || event.altGraphKey) { return false }
- return addModifierNames(name, event, noShift)
-}
+ states.maybeprop = function(type, stream, state) {
+ if (type == ":") return pushContext(state, stream, "prop");
+ return pass(type, stream, state);
+ };
-function getKeyMap(val) {
- return typeof val == "string" ? keyMap[val] : val
-}
+ states.prop = function(type, stream, state) {
+ if (type == ";") return popContext(state);
+ if (type == "{" && allowNested) return pushContext(state, stream, "propBlock");
+ if (type == "}" || type == "{") return popAndPass(type, stream, state);
+ if (type == "(") return pushContext(state, stream, "parens");
-// Helper for deleting text near the selection(s), used to implement
-// backspace, delete, and similar functionality.
-function deleteNearSelection(cm, compute) {
- var ranges = cm.doc.sel.ranges, kill = [];
- // Build up a set of ranges to kill first, merging overlapping
- // ranges.
- for (var i = 0; i < ranges.length; i++) {
- var toKill = compute(ranges[i]);
- while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {
- var replaced = kill.pop();
- if (cmp(replaced.from, toKill.from) < 0) {
- toKill.from = replaced.from;
- break
- }
+ if (type == "hash" && !/^#([0-9a-fA-f]{3,4}|[0-9a-fA-f]{6}|[0-9a-fA-f]{8})$/.test(stream.current())) {
+ override += " error";
+ } else if (type == "word") {
+ wordAsValue(stream);
+ } else if (type == "interpolation") {
+ return pushContext(state, stream, "interpolation");
}
- kill.push(toKill);
- }
- // Next, remove those actual ranges.
- runInOp(cm, function () {
- for (var i = kill.length - 1; i >= 0; i--)
- { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }
- ensureCursorVisible(cm);
- });
-}
-
-function moveCharLogically(line, ch, dir) {
- var target = skipExtendingChars(line.text, ch + dir, dir);
- return target < 0 || target > line.text.length ? null : target
-}
+ return "prop";
+ };
-function moveLogically(line, start, dir) {
- var ch = moveCharLogically(line, start.ch, dir);
- return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")
-}
+ states.propBlock = function(type, _stream, state) {
+ if (type == "}") return popContext(state);
+ if (type == "word") { override = "property"; return "maybeprop"; }
+ return state.context.type;
+ };
-function endOfLine(visually, cm, lineObj, lineNo, dir) {
- if (visually) {
- var order = getOrder(lineObj, cm.doc.direction);
- if (order) {
- var part = dir < 0 ? lst(order) : order[0];
- var moveInStorageOrder = (dir < 0) == (part.level == 1);
- var sticky = moveInStorageOrder ? "after" : "before";
- var ch;
- // With a wrapped rtl chunk (possibly spanning multiple bidi parts),
- // it could be that the last bidi part is not on the last visual line,
- // since visual lines contain content order-consecutive chunks.
- // Thus, in rtl, we are looking for the first (content-order) character
- // in the rtl chunk that is on the last line (that is, the same line
- // as the last (content-order) character).
- if (part.level > 0 || cm.doc.direction == "rtl") {
- var prep = prepareMeasureForLine(cm, lineObj);
- ch = dir < 0 ? lineObj.text.length - 1 : 0;
- var targetTop = measureCharPrepared(cm, prep, ch).top;
- ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);
- if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }
- } else { ch = dir < 0 ? part.to : part.from; }
- return new Pos(lineNo, ch, sticky)
- }
- }
- return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")
-}
+ states.parens = function(type, stream, state) {
+ if (type == "{" || type == "}") return popAndPass(type, stream, state);
+ if (type == ")") return popContext(state);
+ if (type == "(") return pushContext(state, stream, "parens");
+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
+ if (type == "word") wordAsValue(stream);
+ return "parens";
+ };
-function moveVisually(cm, line, start, dir) {
- var bidi = getOrder(line, cm.doc.direction);
- if (!bidi) { return moveLogically(line, start, dir) }
- if (start.ch >= line.text.length) {
- start.ch = line.text.length;
- start.sticky = "before";
- } else if (start.ch <= 0) {
- start.ch = 0;
- start.sticky = "after";
- }
- var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];
- if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {
- // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,
- // nothing interesting happens.
- return moveLogically(line, start, dir)
- }
+ states.pseudo = function(type, stream, state) {
+ if (type == "meta") return "pseudo";
- var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };
- var prep;
- var getWrappedLineExtent = function (ch) {
- if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }
- prep = prep || prepareMeasureForLine(cm, line);
- return wrappedLineExtentChar(cm, line, prep, ch)
+ if (type == "word") {
+ override = "variable-3";
+ return state.context.type;
+ }
+ return pass(type, stream, state);
};
- var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);
- if (cm.doc.direction == "rtl" || part.level == 1) {
- var moveInStorageOrder = (part.level == 1) == (dir < 0);
- var ch = mv(start, moveInStorageOrder ? 1 : -1);
- if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {
- // Case 2: We move within an rtl part or in an rtl editor on the same visual line
- var sticky = moveInStorageOrder ? "before" : "after";
- return new Pos(start.line, ch, sticky)
+ states.documentTypes = function(type, stream, state) {
+ if (type == "word" && documentTypes.hasOwnProperty(stream.current())) {
+ override = "tag";
+ return state.context.type;
+ } else {
+ return states.atBlock(type, stream, state);
}
- }
+ };
- // Case 3: Could not move within this bidi part in this visual line, so leave
- // the current bidi part
+ states.atBlock = function(type, stream, state) {
+ if (type == "(") return pushContext(state, stream, "atBlock_parens");
+ if (type == "}" || type == ";") return popAndPass(type, stream, state);
+ if (type == "{") return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top");
- var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {
- var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder
- ? new Pos(start.line, mv(ch, 1), "before")
- : new Pos(start.line, ch, "after"); };
+ if (type == "interpolation") return pushContext(state, stream, "interpolation");
- for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {
- var part = bidi[partPos];
- var moveInStorageOrder = (dir > 0) == (part.level != 1);
- var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);
- if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }
- ch = moveInStorageOrder ? part.from : mv(part.to, -1);
- if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }
+ if (type == "word") {
+ var word = stream.current().toLowerCase();
+ if (word == "only" || word == "not" || word == "and" || word == "or")
+ override = "keyword";
+ else if (mediaTypes.hasOwnProperty(word))
+ override = "attribute";
+ else if (mediaFeatures.hasOwnProperty(word))
+ override = "property";
+ else if (mediaValueKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else if (propertyKeywords.hasOwnProperty(word))
+ override = "property";
+ else if (nonStandardPropertyKeywords.hasOwnProperty(word))
+ override = "string-2";
+ else if (valueKeywords.hasOwnProperty(word))
+ override = "atom";
+ else if (colorKeywords.hasOwnProperty(word))
+ override = "keyword";
+ else
+ override = "error";
}
+ return state.context.type;
};
- // Case 3a: Look for other bidi parts on the same visual line
- var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);
- if (res) { return res }
+ states.atComponentBlock = function(type, stream, state) {
+ if (type == "}")
+ return popAndPass(type, stream, state);
+ if (type == "{")
+ return popContext(state) && pushContext(state, stream, allowNested ? "block" : "top", false);
+ if (type == "word")
+ override = "error";
+ return state.context.type;
+ };
- // Case 3b: Look for other bidi parts on the next visual line
- var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);
- if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {
- res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));
- if (res) { return res }
- }
+ states.atBlock_parens = function(type, stream, state) {
+ if (type == ")") return popContext(state);
+ if (type == "{" || type == "}") return popAndPass(type, stream, state, 2);
+ return states.atBlock(type, stream, state);
+ };
- // Case 4: Nowhere to move
- return null
-}
+ states.restricted_atBlock_before = function(type, stream, state) {
+ if (type == "{")
+ return pushContext(state, stream, "restricted_atBlock");
+ if (type == "word" && state.stateArg == "@counter-style") {
+ override = "variable";
+ return "restricted_atBlock_before";
+ }
+ return pass(type, stream, state);
+ };
-// Commands are parameter-less actions that can be performed on an
-// editor, mostly used for keybindings.
-var commands = {
- selectAll: selectAll,
- singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },
- killLine: function (cm) { return deleteNearSelection(cm, function (range) {
- if (range.empty()) {
- var len = getLine(cm.doc, range.head.line).text.length;
- if (range.head.ch == len && range.head.line < cm.lastLine())
- { return {from: range.head, to: Pos(range.head.line + 1, 0)} }
- else
- { return {from: range.head, to: Pos(range.head.line, len)} }
- } else {
- return {from: range.from(), to: range.to()}
- }
- }); },
- deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({
- from: Pos(range.from().line, 0),
- to: clipPos(cm.doc, Pos(range.to().line + 1, 0))
- }); }); },
- delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({
- from: Pos(range.from().line, 0), to: range.from()
- }); }); },
- delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var leftPos = cm.coordsChar({left: 0, top: top}, "div");
- return {from: leftPos, to: range.from()}
- }); },
- delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {
- var top = cm.charCoords(range.head, "div").top + 5;
- var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");
- return {from: range.from(), to: rightPos }
- }); },
- undo: function (cm) { return cm.undo(); },
- redo: function (cm) { return cm.redo(); },
- undoSelection: function (cm) { return cm.undoSelection(); },
- redoSelection: function (cm) { return cm.redoSelection(); },
- goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },
- goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },
- goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },
- {origin: "+move", bias: 1}
- ); },
- goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },
- {origin: "+move", bias: 1}
- ); },
- goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },
- {origin: "+move", bias: -1}
- ); },
- goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {
- var top = cm.cursorCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")
- }, sel_move); },
- goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {
- var top = cm.cursorCoords(range.head, "div").top + 5;
- return cm.coordsChar({left: 0, top: top}, "div")
- }, sel_move); },
- goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {
- var top = cm.cursorCoords(range.head, "div").top + 5;
- var pos = cm.coordsChar({left: 0, top: top}, "div");
- if (pos.ch < cm.getLine(pos.line).search(/\S/)) { return lineStartSmart(cm, range.head) }
- return pos
- }, sel_move); },
- goLineUp: function (cm) { return cm.moveV(-1, "line"); },
- goLineDown: function (cm) { return cm.moveV(1, "line"); },
- goPageUp: function (cm) { return cm.moveV(-1, "page"); },
- goPageDown: function (cm) { return cm.moveV(1, "page"); },
- goCharLeft: function (cm) { return cm.moveH(-1, "char"); },
- goCharRight: function (cm) { return cm.moveH(1, "char"); },
- goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },
- goColumnRight: function (cm) { return cm.moveH(1, "column"); },
- goWordLeft: function (cm) { return cm.moveH(-1, "word"); },
- goGroupRight: function (cm) { return cm.moveH(1, "group"); },
- goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },
- goWordRight: function (cm) { return cm.moveH(1, "word"); },
- delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },
- delCharAfter: function (cm) { return cm.deleteH(1, "char"); },
- delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },
- delWordAfter: function (cm) { return cm.deleteH(1, "word"); },
- delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },
- delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },
- indentAuto: function (cm) { return cm.indentSelection("smart"); },
- indentMore: function (cm) { return cm.indentSelection("add"); },
- indentLess: function (cm) { return cm.indentSelection("subtract"); },
- insertTab: function (cm) { return cm.replaceSelection("\t"); },
- insertSoftTab: function (cm) {
- var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;
- for (var i = 0; i < ranges.length; i++) {
- var pos = ranges[i].from();
- var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);
- spaces.push(spaceStr(tabSize - col % tabSize));
+ states.restricted_atBlock = function(type, stream, state) {
+ if (type == "}") {
+ state.stateArg = null;
+ return popContext(state);
}
- cm.replaceSelections(spaces);
- },
- defaultTab: function (cm) {
- if (cm.somethingSelected()) { cm.indentSelection("add"); }
- else { cm.execCommand("insertTab"); }
- },
- // Swap the two chars left and right of each selection's head.
- // Move cursor behind the two swapped characters afterwards.
- //
- // Doesn't consider line feeds a character.
- // Doesn't scan more than one line above to find a character.
- // Doesn't do anything on an empty line.
- // Doesn't do anything with non-empty selections.
- transposeChars: function (cm) { return runInOp(cm, function () {
- var ranges = cm.listSelections(), newSel = [];
- for (var i = 0; i < ranges.length; i++) {
- if (!ranges[i].empty()) { continue }
- var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;
- if (line) {
- if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }
- if (cur.ch > 0) {
- cur = new Pos(cur.line, cur.ch + 1);
- cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),
- Pos(cur.line, cur.ch - 2), cur, "+transpose");
- } else if (cur.line > cm.doc.first) {
- var prev = getLine(cm.doc, cur.line - 1).text;
- if (prev) {
- cur = new Pos(cur.line, 1);
- cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +
- prev.charAt(prev.length - 1),
- Pos(cur.line - 1, prev.length - 1), cur, "+transpose");
- }
- }
- }
- newSel.push(new Range(cur, cur));
+ if (type == "word") {
+ if ((state.stateArg == "@font-face" && !fontProperties.hasOwnProperty(stream.current().toLowerCase())) ||
+ (state.stateArg == "@counter-style" && !counterDescriptors.hasOwnProperty(stream.current().toLowerCase())))
+ override = "error";
+ else
+ override = "property";
+ return "maybeprop";
}
- cm.setSelections(newSel);
- }); },
- newlineAndIndent: function (cm) { return runInOp(cm, function () {
- var sels = cm.listSelections();
- for (var i = sels.length - 1; i >= 0; i--)
- { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }
- sels = cm.listSelections();
- for (var i$1 = 0; i$1 < sels.length; i$1++)
- { cm.indentLine(sels[i$1].from().line, null, true); }
- ensureCursorVisible(cm);
- }); },
- openLine: function (cm) { return cm.replaceSelection("\n", "start"); },
- toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }
-};
+ return "restricted_atBlock";
+ };
+ states.keyframes = function(type, stream, state) {
+ if (type == "word") { override = "variable"; return "keyframes"; }
+ if (type == "{") return pushContext(state, stream, "top");
+ return pass(type, stream, state);
+ };
-function lineStart(cm, lineN) {
- var line = getLine(cm.doc, lineN);
- var visual = visualLine(line);
- if (visual != line) { lineN = lineNo(visual); }
- return endOfLine(true, cm, visual, lineN, 1)
-}
-function lineEnd(cm, lineN) {
- var line = getLine(cm.doc, lineN);
- var visual = visualLineEnd(line);
- if (visual != line) { lineN = lineNo(visual); }
- return endOfLine(true, cm, line, lineN, -1)
-}
-function lineStartSmart(cm, pos) {
- var start = lineStart(cm, pos.line);
- var line = getLine(cm.doc, start.line);
- var order = getOrder(line, cm.doc.direction);
- if (!order || order[0].level == 0) {
- var firstNonWS = Math.max(0, line.text.search(/\S/));
- var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;
- return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)
- }
- return start
-}
+ states.at = function(type, stream, state) {
+ if (type == ";") return popContext(state);
+ if (type == "{" || type == "}") return popAndPass(type, stream, state);
+ if (type == "word") override = "tag";
+ else if (type == "hash") override = "builtin";
+ return "at";
+ };
-// Run a handler that was bound to a key.
-function doHandleBinding(cm, bound, dropShift) {
- if (typeof bound == "string") {
- bound = commands[bound];
- if (!bound) { return false }
- }
- // Ensure previous input has been read, so that the handler sees a
- // consistent view of the document
- cm.display.input.ensurePolled();
- var prevShift = cm.display.shift, done = false;
- try {
- if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
- if (dropShift) { cm.display.shift = false; }
- done = bound(cm) != Pass;
- } finally {
- cm.display.shift = prevShift;
- cm.state.suppressEdits = false;
- }
- return done
-}
+ states.interpolation = function(type, stream, state) {
+ if (type == "}") return popContext(state);
+ if (type == "{" || type == ";") return popAndPass(type, stream, state);
+ if (type == "word") override = "variable";
+ else if (type != "variable" && type != "(" && type != ")") override = "error";
+ return "interpolation";
+ };
-function lookupKeyForEditor(cm, name, handle) {
- for (var i = 0; i < cm.state.keyMaps.length; i++) {
- var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);
- if (result) { return result }
- }
- return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))
- || lookupKey(name, cm.options.keyMap, handle, cm)
-}
+ return {
+ startState: function(base) {
+ return {tokenize: null,
+ state: inline ? "block" : "top",
+ stateArg: null,
+ context: new Context(inline ? "block" : "top", base || 0, null)};
+ },
-// Note that, despite the name, this function is also used to check
-// for bound mouse clicks.
-
-var stopSeq = new Delayed;
-function dispatchKey(cm, name, e, handle) {
- var seq = cm.state.keySeq;
- if (seq) {
- if (isModifierKey(name)) { return "handled" }
- stopSeq.set(50, function () {
- if (cm.state.keySeq == seq) {
- cm.state.keySeq = null;
- cm.display.input.reset();
+ token: function(stream, state) {
+ if (!state.tokenize && stream.eatSpace()) return null;
+ var style = (state.tokenize || tokenBase)(stream, state);
+ if (style && typeof style == "object") {
+ type = style[1];
+ style = style[0];
}
- });
- name = seq + " " + name;
- }
- var result = lookupKeyForEditor(cm, name, handle);
+ override = style;
+ if (type != "comment")
+ state.state = states[state.state](type, stream, state);
+ return override;
+ },
- if (result == "multi")
- { cm.state.keySeq = name; }
- if (result == "handled")
- { signalLater(cm, "keyHandled", cm, name, e); }
-
- if (result == "handled" || result == "multi") {
- e_preventDefault(e);
- restartBlink(cm);
- }
-
- if (seq && !result && /\'$/.test(name)) {
- e_preventDefault(e);
- return true
- }
- return !!result
-}
-
-// Handle a key from the keydown event.
-function handleKeyBinding(cm, e) {
- var name = keyName(e, true);
- if (!name) { return false }
-
- if (e.shiftKey && !cm.state.keySeq) {
- // First try to resolve full name (including 'Shift-'). Failing
- // that, see if there is a cursor-motion command (starting with
- // 'go') bound to the keyname without 'Shift-'.
- return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })
- || dispatchKey(cm, name, e, function (b) {
- if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)
- { return doHandleBinding(cm, b) }
- })
- } else {
- return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })
- }
-}
-
-// Handle a key from the keypress event
-function handleCharBinding(cm, e, ch) {
- return dispatchKey(cm, "'" + ch + "'", e, function (b) { return doHandleBinding(cm, b, true); })
-}
-
-var lastStoppedKey = null;
-function onKeyDown(e) {
- var cm = this;
- cm.curOp.focus = activeElt();
- if (signalDOMEvent(cm, e)) { return }
- // IE does strange things with escape.
- if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }
- var code = e.keyCode;
- cm.display.shift = code == 16 || e.shiftKey;
- var handled = handleKeyBinding(cm, e);
- if (presto) {
- lastStoppedKey = handled ? code : null;
- // Opera has no cut event... we try to at least catch the key combo
- if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))
- { cm.replaceSelection("", null, "cut"); }
- }
-
- // Turn mouse into crosshair when Alt is held on Mac.
- if (code == 18 && !/\bCodeMirror-crosshair\b/.test(cm.display.lineDiv.className))
- { showCrossHair(cm); }
-}
+ indent: function(state, textAfter) {
+ var cx = state.context, ch = textAfter && textAfter.charAt(0);
+ var indent = cx.indent;
+ if (cx.type == "prop" && (ch == "}" || ch == ")")) cx = cx.prev;
+ if (cx.prev) {
+ if (ch == "}" && (cx.type == "block" || cx.type == "top" ||
+ cx.type == "interpolation" || cx.type == "restricted_atBlock")) {
+ // Resume indentation from parent context.
+ cx = cx.prev;
+ indent = cx.indent;
+ } else if (ch == ")" && (cx.type == "parens" || cx.type == "atBlock_parens") ||
+ ch == "{" && (cx.type == "at" || cx.type == "atBlock")) {
+ // Dedent relative to current context.
+ indent = Math.max(0, cx.indent - indentUnit);
+ }
+ }
+ return indent;
+ },
-function showCrossHair(cm) {
- var lineDiv = cm.display.lineDiv;
- addClass(lineDiv, "CodeMirror-crosshair");
+ electricChars: "}",
+ blockCommentStart: "/*",
+ blockCommentEnd: "*/",
+ blockCommentContinue: " * ",
+ lineComment: lineComment,
+ fold: "brace"
+ };
+});
- function up(e) {
- if (e.keyCode == 18 || !e.altKey) {
- rmClass(lineDiv, "CodeMirror-crosshair");
- off(document, "keyup", up);
- off(document, "mouseover", up);
+ function keySet(array) {
+ var keys = {};
+ for (var i = 0; i < array.length; ++i) {
+ keys[array[i].toLowerCase()] = true;
}
+ return keys;
}
- on(document, "keyup", up);
- on(document, "mouseover", up);
-}
-
-function onKeyUp(e) {
- if (e.keyCode == 16) { this.doc.sel.shift = false; }
- signalDOMEvent(this, e);
-}
-
-function onKeyPress(e) {
- var cm = this;
- if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }
- var keyCode = e.keyCode, charCode = e.charCode;
- if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}
- if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }
- var ch = String.fromCharCode(charCode == null ? keyCode : charCode);
- // Some browsers fire keypress events for backspace
- if (ch == "\x08") { return }
- if (handleCharBinding(cm, e, ch)) { return }
- cm.display.input.onKeyPress(e);
-}
-
-var DOUBLECLICK_DELAY = 400;
-
-var PastClick = function(time, pos, button) {
- this.time = time;
- this.pos = pos;
- this.button = button;
-};
-
-PastClick.prototype.compare = function (time, pos, button) {
- return this.time + DOUBLECLICK_DELAY > time &&
- cmp(pos, this.pos) == 0 && button == this.button
-};
-
-var lastClick;
-var lastDoubleClick;
-function clickRepeat(pos, button) {
- var now = +new Date;
- if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {
- lastClick = lastDoubleClick = null;
- return "triple"
- } else if (lastClick && lastClick.compare(now, pos, button)) {
- lastDoubleClick = new PastClick(now, pos, button);
- lastClick = null;
- return "double"
- } else {
- lastClick = new PastClick(now, pos, button);
- lastDoubleClick = null;
- return "single"
- }
-}
-
-// A mouse down can be a single click, double click, triple click,
-// start of selection drag, start of text drag, new cursor
-// (ctrl-click), rectangle drag (alt-drag), or xwin
-// middle-click-paste. Or it might be a click on something we should
-// not interfere with, such as a scrollbar or widget.
-function onMouseDown(e) {
- var cm = this, display = cm.display;
- if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }
- display.input.ensurePolled();
- display.shift = e.shiftKey;
-
- if (eventInWidget(display, e)) {
- if (!webkit) {
- // Briefly turn off draggability, to allow widgets to do
- // normal dragging things.
- display.scroller.draggable = false;
- setTimeout(function () { return display.scroller.draggable = true; }, 100);
- }
- return
- }
- if (clickInGutter(cm, e)) { return }
- var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";
- window.focus();
-
- // #3261: make sure, that we're not starting a second selection
- if (button == 1 && cm.state.selectingText)
- { cm.state.selectingText(e); }
-
- if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }
-
- if (button == 1) {
- if (pos) { leftButtonDown(cm, pos, repeat, e); }
- else if (e_target(e) == display.scroller) { e_preventDefault(e); }
- } else if (button == 2) {
- if (pos) { extendSelection(cm.doc, pos); }
- setTimeout(function () { return display.input.focus(); }, 20);
- } else if (button == 3) {
- if (captureRightClick) { onContextMenu(cm, e); }
- else { delayBlurEvent(cm); }
- }
-}
-
-function handleMappedButton(cm, button, pos, repeat, event) {
- var name = "Click";
- if (repeat == "double") { name = "Double" + name; }
- else if (repeat == "triple") { name = "Triple" + name; }
- name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;
-
- return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {
- if (typeof bound == "string") { bound = commands[bound]; }
- if (!bound) { return false }
- var done = false;
- try {
- if (cm.isReadOnly()) { cm.state.suppressEdits = true; }
- done = bound(cm, pos) != Pass;
- } finally {
- cm.state.suppressEdits = false;
- }
- return done
- })
-}
-function configureMouse(cm, repeat, event) {
- var option = cm.getOption("configureMouse");
- var value = option ? option(cm, repeat, event) : {};
- if (value.unit == null) {
- var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;
- value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";
- }
- if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }
- if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }
- if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }
- return value
-}
-
-function leftButtonDown(cm, pos, repeat, event) {
- if (ie) { setTimeout(bind(ensureFocus, cm), 0); }
- else { cm.curOp.focus = activeElt(); }
-
- var behavior = configureMouse(cm, repeat, event);
+ var documentTypes_ = [
+ "domain", "regexp", "url", "url-prefix"
+ ], documentTypes = keySet(documentTypes_);
- var sel = cm.doc.sel, contained;
- if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&
- repeat == "single" && (contained = sel.contains(pos)) > -1 &&
- (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&
- (cmp(contained.to(), pos) > 0 || pos.xRel < 0))
- { leftButtonStartDrag(cm, event, pos, behavior); }
- else
- { leftButtonSelect(cm, event, pos, behavior); }
-}
+ var mediaTypes_ = [
+ "all", "aural", "braille", "handheld", "print", "projection", "screen",
+ "tty", "tv", "embossed"
+ ], mediaTypes = keySet(mediaTypes_);
-// Start a text drag. When it ends, see if any dragging actually
-// happen, and treat as a click if it didn't.
-function leftButtonStartDrag(cm, event, pos, behavior) {
- var display = cm.display, moved = false;
- var dragEnd = operation(cm, function (e) {
- if (webkit) { display.scroller.draggable = false; }
- cm.state.draggingText = false;
- off(document, "mouseup", dragEnd);
- off(document, "mousemove", mouseMove);
- off(display.scroller, "dragstart", dragStart);
- off(display.scroller, "drop", dragEnd);
- if (!moved) {
- e_preventDefault(e);
- if (!behavior.addNew)
- { extendSelection(cm.doc, pos, null, null, behavior.extend); }
- // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)
- if (webkit || ie && ie_version == 9)
- { setTimeout(function () {document.body.focus(); display.input.focus();}, 20); }
- else
- { display.input.focus(); }
- }
- });
- var mouseMove = function(e2) {
- moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;
- };
- var dragStart = function () { return moved = true; };
- // Let the drag handler handle this.
- if (webkit) { display.scroller.draggable = true; }
- cm.state.draggingText = dragEnd;
- dragEnd.copy = !behavior.moveOnDrag;
- // IE's approach to draggable
- if (display.scroller.dragDrop) { display.scroller.dragDrop(); }
- on(document, "mouseup", dragEnd);
- on(document, "mousemove", mouseMove);
- on(display.scroller, "dragstart", dragStart);
- on(display.scroller, "drop", dragEnd);
-
- delayBlurEvent(cm);
- setTimeout(function () { return display.input.focus(); }, 20);
-}
+ var mediaFeatures_ = [
+ "width", "min-width", "max-width", "height", "min-height", "max-height",
+ "device-width", "min-device-width", "max-device-width", "device-height",
+ "min-device-height", "max-device-height", "aspect-ratio",
+ "min-aspect-ratio", "max-aspect-ratio", "device-aspect-ratio",
+ "min-device-aspect-ratio", "max-device-aspect-ratio", "color", "min-color",
+ "max-color", "color-index", "min-color-index", "max-color-index",
+ "monochrome", "min-monochrome", "max-monochrome", "resolution",
+ "min-resolution", "max-resolution", "scan", "grid", "orientation",
+ "device-pixel-ratio", "min-device-pixel-ratio", "max-device-pixel-ratio",
+ "pointer", "any-pointer", "hover", "any-hover"
+ ], mediaFeatures = keySet(mediaFeatures_);
-function rangeForUnit(cm, pos, unit) {
- if (unit == "char") { return new Range(pos, pos) }
- if (unit == "word") { return cm.findWordAt(pos) }
- if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }
- var result = unit(cm, pos);
- return new Range(result.from, result.to)
-}
+ var mediaValueKeywords_ = [
+ "landscape", "portrait", "none", "coarse", "fine", "on-demand", "hover",
+ "interlace", "progressive"
+ ], mediaValueKeywords = keySet(mediaValueKeywords_);
-// Normal selection, as opposed to text dragging.
-function leftButtonSelect(cm, event, start, behavior) {
- var display = cm.display, doc = cm.doc;
- e_preventDefault(event);
+ var propertyKeywords_ = [
+ "align-content", "align-items", "align-self", "alignment-adjust",
+ "alignment-baseline", "anchor-point", "animation", "animation-delay",
+ "animation-direction", "animation-duration", "animation-fill-mode",
+ "animation-iteration-count", "animation-name", "animation-play-state",
+ "animation-timing-function", "appearance", "azimuth", "backface-visibility",
+ "background", "background-attachment", "background-blend-mode", "background-clip",
+ "background-color", "background-image", "background-origin", "background-position",
+ "background-repeat", "background-size", "baseline-shift", "binding",
+ "bleed", "bookmark-label", "bookmark-level", "bookmark-state",
+ "bookmark-target", "border", "border-bottom", "border-bottom-color",
+ "border-bottom-left-radius", "border-bottom-right-radius",
+ "border-bottom-style", "border-bottom-width", "border-collapse",
+ "border-color", "border-image", "border-image-outset",
+ "border-image-repeat", "border-image-slice", "border-image-source",
+ "border-image-width", "border-left", "border-left-color",
+ "border-left-style", "border-left-width", "border-radius", "border-right",
+ "border-right-color", "border-right-style", "border-right-width",
+ "border-spacing", "border-style", "border-top", "border-top-color",
+ "border-top-left-radius", "border-top-right-radius", "border-top-style",
+ "border-top-width", "border-width", "bottom", "box-decoration-break",
+ "box-shadow", "box-sizing", "break-after", "break-before", "break-inside",
+ "caption-side", "caret-color", "clear", "clip", "color", "color-profile", "column-count",
+ "column-fill", "column-gap", "column-rule", "column-rule-color",
+ "column-rule-style", "column-rule-width", "column-span", "column-width",
+ "columns", "content", "counter-increment", "counter-reset", "crop", "cue",
+ "cue-after", "cue-before", "cursor", "direction", "display",
+ "dominant-baseline", "drop-initial-after-adjust",
+ "drop-initial-after-align", "drop-initial-before-adjust",
+ "drop-initial-before-align", "drop-initial-size", "drop-initial-value",
+ "elevation", "empty-cells", "fit", "fit-position", "flex", "flex-basis",
+ "flex-direction", "flex-flow", "flex-grow", "flex-shrink", "flex-wrap",
+ "float", "float-offset", "flow-from", "flow-into", "font", "font-feature-settings",
+ "font-family", "font-kerning", "font-language-override", "font-size", "font-size-adjust",
+ "font-stretch", "font-style", "font-synthesis", "font-variant",
+ "font-variant-alternates", "font-variant-caps", "font-variant-east-asian",
+ "font-variant-ligatures", "font-variant-numeric", "font-variant-position",
+ "font-weight", "grid", "grid-area", "grid-auto-columns", "grid-auto-flow",
+ "grid-auto-rows", "grid-column", "grid-column-end", "grid-column-gap",
+ "grid-column-start", "grid-gap", "grid-row", "grid-row-end", "grid-row-gap",
+ "grid-row-start", "grid-template", "grid-template-areas", "grid-template-columns",
+ "grid-template-rows", "hanging-punctuation", "height", "hyphens",
+ "icon", "image-orientation", "image-rendering", "image-resolution",
+ "inline-box-align", "justify-content", "justify-items", "justify-self", "left", "letter-spacing",
+ "line-break", "line-height", "line-stacking", "line-stacking-ruby",
+ "line-stacking-shift", "line-stacking-strategy", "list-style",
+ "list-style-image", "list-style-position", "list-style-type", "margin",
+ "margin-bottom", "margin-left", "margin-right", "margin-top",
+ "marks", "marquee-direction", "marquee-loop",
+ "marquee-play-count", "marquee-speed", "marquee-style", "max-height",
+ "max-width", "min-height", "min-width", "mix-blend-mode", "move-to", "nav-down", "nav-index",
+ "nav-left", "nav-right", "nav-up", "object-fit", "object-position",
+ "opacity", "order", "orphans", "outline",
+ "outline-color", "outline-offset", "outline-style", "outline-width",
+ "overflow", "overflow-style", "overflow-wrap", "overflow-x", "overflow-y",
+ "padding", "padding-bottom", "padding-left", "padding-right", "padding-top",
+ "page", "page-break-after", "page-break-before", "page-break-inside",
+ "page-policy", "pause", "pause-after", "pause-before", "perspective",
+ "perspective-origin", "pitch", "pitch-range", "place-content", "place-items", "place-self", "play-during", "position",
+ "presentation-level", "punctuation-trim", "quotes", "region-break-after",
+ "region-break-before", "region-break-inside", "region-fragment",
+ "rendering-intent", "resize", "rest", "rest-after", "rest-before", "richness",
+ "right", "rotation", "rotation-point", "ruby-align", "ruby-overhang",
+ "ruby-position", "ruby-span", "shape-image-threshold", "shape-inside", "shape-margin",
+ "shape-outside", "size", "speak", "speak-as", "speak-header",
+ "speak-numeral", "speak-punctuation", "speech-rate", "stress", "string-set",
+ "tab-size", "table-layout", "target", "target-name", "target-new",
+ "target-position", "text-align", "text-align-last", "text-decoration",
+ "text-decoration-color", "text-decoration-line", "text-decoration-skip",
+ "text-decoration-style", "text-emphasis", "text-emphasis-color",
+ "text-emphasis-position", "text-emphasis-style", "text-height",
+ "text-indent", "text-justify", "text-outline", "text-overflow", "text-shadow",
+ "text-size-adjust", "text-space-collapse", "text-transform", "text-underline-position",
+ "text-wrap", "top", "transform", "transform-origin", "transform-style",
+ "transition", "transition-delay", "transition-duration",
+ "transition-property", "transition-timing-function", "unicode-bidi",
+ "user-select", "vertical-align", "visibility", "voice-balance", "voice-duration",
+ "voice-family", "voice-pitch", "voice-range", "voice-rate", "voice-stress",
+ "voice-volume", "volume", "white-space", "widows", "width", "will-change", "word-break",
+ "word-spacing", "word-wrap", "z-index",
+ // SVG-specific
+ "clip-path", "clip-rule", "mask", "enable-background", "filter", "flood-color",
+ "flood-opacity", "lighting-color", "stop-color", "stop-opacity", "pointer-events",
+ "color-interpolation", "color-interpolation-filters",
+ "color-rendering", "fill", "fill-opacity", "fill-rule", "image-rendering",
+ "marker", "marker-end", "marker-mid", "marker-start", "shape-rendering", "stroke",
+ "stroke-dasharray", "stroke-dashoffset", "stroke-linecap", "stroke-linejoin",
+ "stroke-miterlimit", "stroke-opacity", "stroke-width", "text-rendering",
+ "baseline-shift", "dominant-baseline", "glyph-orientation-horizontal",
+ "glyph-orientation-vertical", "text-anchor", "writing-mode"
+ ], propertyKeywords = keySet(propertyKeywords_);
- var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;
- if (behavior.addNew && !behavior.extend) {
- ourIndex = doc.sel.contains(start);
- if (ourIndex > -1)
- { ourRange = ranges[ourIndex]; }
- else
- { ourRange = new Range(start, start); }
- } else {
- ourRange = doc.sel.primary();
- ourIndex = doc.sel.primIndex;
- }
+ var nonStandardPropertyKeywords_ = [
+ "scrollbar-arrow-color", "scrollbar-base-color", "scrollbar-dark-shadow-color",
+ "scrollbar-face-color", "scrollbar-highlight-color", "scrollbar-shadow-color",
+ "scrollbar-3d-light-color", "scrollbar-track-color", "shape-inside",
+ "searchfield-cancel-button", "searchfield-decoration", "searchfield-results-button",
+ "searchfield-results-decoration", "zoom"
+ ], nonStandardPropertyKeywords = keySet(nonStandardPropertyKeywords_);
- if (behavior.unit == "rectangle") {
- if (!behavior.addNew) { ourRange = new Range(start, start); }
- start = posFromMouse(cm, event, true, true);
- ourIndex = -1;
- } else {
- var range$$1 = rangeForUnit(cm, start, behavior.unit);
- if (behavior.extend)
- { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }
- else
- { ourRange = range$$1; }
- }
-
- if (!behavior.addNew) {
- ourIndex = 0;
- setSelection(doc, new Selection([ourRange], 0), sel_mouse);
- startSel = doc.sel;
- } else if (ourIndex == -1) {
- ourIndex = ranges.length;
- setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),
- {scroll: false, origin: "*mouse"});
- } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {
- setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),
- {scroll: false, origin: "*mouse"});
- startSel = doc.sel;
- } else {
- replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);
- }
+ var fontProperties_ = [
+ "font-family", "src", "unicode-range", "font-variant", "font-feature-settings",
+ "font-stretch", "font-weight", "font-style"
+ ], fontProperties = keySet(fontProperties_);
- var lastPos = start;
- function extendTo(pos) {
- if (cmp(lastPos, pos) == 0) { return }
- lastPos = pos;
+ var counterDescriptors_ = [
+ "additive-symbols", "fallback", "negative", "pad", "prefix", "range",
+ "speak-as", "suffix", "symbols", "system"
+ ], counterDescriptors = keySet(counterDescriptors_);
- if (behavior.unit == "rectangle") {
- var ranges = [], tabSize = cm.options.tabSize;
- var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);
- var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);
- var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);
- for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));
- line <= end; line++) {
- var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);
- if (left == right)
- { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }
- else if (text.length > leftPos)
- { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }
- }
- if (!ranges.length) { ranges.push(new Range(start, start)); }
- setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),
- {origin: "*mouse", scroll: false});
- cm.scrollIntoView(pos);
- } else {
- var oldRange = ourRange;
- var range$$1 = rangeForUnit(cm, pos, behavior.unit);
- var anchor = oldRange.anchor, head;
- if (cmp(range$$1.anchor, anchor) > 0) {
- head = range$$1.head;
- anchor = minPos(oldRange.from(), range$$1.anchor);
- } else {
- head = range$$1.anchor;
- anchor = maxPos(oldRange.to(), range$$1.head);
- }
- var ranges$1 = startSel.ranges.slice(0);
- ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));
- setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse);
- }
- }
-
- var editorSize = display.wrapper.getBoundingClientRect();
- // Used to ensure timeout re-tries don't fire when another extend
- // happened in the meantime (clearTimeout isn't reliable -- at
- // least on Chrome, the timeouts still happen even when cleared,
- // if the clear happens after their scheduled firing time).
- var counter = 0;
-
- function extend(e) {
- var curCount = ++counter;
- var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");
- if (!cur) { return }
- if (cmp(cur, lastPos) != 0) {
- cm.curOp.focus = activeElt();
- extendTo(cur);
- var visible = visibleLines(display, doc);
- if (cur.line >= visible.to || cur.line < visible.from)
- { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }
- } else {
- var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;
- if (outside) { setTimeout(operation(cm, function () {
- if (counter != curCount) { return }
- display.scroller.scrollTop += outside;
- extend(e);
- }), 50); }
- }
- }
+ var colorKeywords_ = [
+ "aliceblue", "antiquewhite", "aqua", "aquamarine", "azure", "beige",
+ "bisque", "black", "blanchedalmond", "blue", "blueviolet", "brown",
+ "burlywood", "cadetblue", "chartreuse", "chocolate", "coral", "cornflowerblue",
+ "cornsilk", "crimson", "cyan", "darkblue", "darkcyan", "darkgoldenrod",
+ "darkgray", "darkgreen", "darkkhaki", "darkmagenta", "darkolivegreen",
+ "darkorange", "darkorchid", "darkred", "darksalmon", "darkseagreen",
+ "darkslateblue", "darkslategray", "darkturquoise", "darkviolet",
+ "deeppink", "deepskyblue", "dimgray", "dodgerblue", "firebrick",
+ "floralwhite", "forestgreen", "fuchsia", "gainsboro", "ghostwhite",
+ "gold", "goldenrod", "gray", "grey", "green", "greenyellow", "honeydew",
+ "hotpink", "indianred", "indigo", "ivory", "khaki", "lavender",
+ "lavenderblush", "lawngreen", "lemonchiffon", "lightblue", "lightcoral",
+ "lightcyan", "lightgoldenrodyellow", "lightgray", "lightgreen", "lightpink",
+ "lightsalmon", "lightseagreen", "lightskyblue", "lightslategray",
+ "lightsteelblue", "lightyellow", "lime", "limegreen", "linen", "magenta",
+ "maroon", "mediumaquamarine", "mediumblue", "mediumorchid", "mediumpurple",
+ "mediumseagreen", "mediumslateblue", "mediumspringgreen", "mediumturquoise",
+ "mediumvioletred", "midnightblue", "mintcream", "mistyrose", "moccasin",
+ "navajowhite", "navy", "oldlace", "olive", "olivedrab", "orange", "orangered",
+ "orchid", "palegoldenrod", "palegreen", "paleturquoise", "palevioletred",
+ "papayawhip", "peachpuff", "peru", "pink", "plum", "powderblue",
+ "purple", "rebeccapurple", "red", "rosybrown", "royalblue", "saddlebrown",
+ "salmon", "sandybrown", "seagreen", "seashell", "sienna", "silver", "skyblue",
+ "slateblue", "slategray", "snow", "springgreen", "steelblue", "tan",
+ "teal", "thistle", "tomato", "turquoise", "violet", "wheat", "white",
+ "whitesmoke", "yellow", "yellowgreen"
+ ], colorKeywords = keySet(colorKeywords_);
- function done(e) {
- cm.state.selectingText = false;
- counter = Infinity;
- e_preventDefault(e);
- display.input.focus();
- off(document, "mousemove", move);
- off(document, "mouseup", up);
- doc.history.lastSelOrigin = null;
- }
-
- var move = operation(cm, function (e) {
- if (!e_button(e)) { done(e); }
- else { extend(e); }
- });
- var up = operation(cm, done);
- cm.state.selectingText = up;
- on(document, "mousemove", move);
- on(document, "mouseup", up);
-}
-
-// Used when mouse-selecting to adjust the anchor to the proper side
-// of a bidi jump depending on the visual position of the head.
-function bidiSimplify(cm, range$$1) {
- var anchor = range$$1.anchor;
- var head = range$$1.head;
- var anchorLine = getLine(cm.doc, anchor.line);
- if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }
- var order = getOrder(anchorLine);
- if (!order) { return range$$1 }
- var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];
- if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }
- var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);
- if (boundary == 0 || boundary == order.length) { return range$$1 }
-
- // Compute the relative visual position of the head compared to the
- // anchor (<0 is to the left, >0 to the right)
- var leftSide;
- if (head.line != anchor.line) {
- leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;
- } else {
- var headIndex = getBidiPartAt(order, head.ch, head.sticky);
- var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);
- if (headIndex == boundary - 1 || headIndex == boundary)
- { leftSide = dir < 0; }
- else
- { leftSide = dir > 0; }
- }
-
- var usePart = order[boundary + (leftSide ? -1 : 0)];
- var from = leftSide == (usePart.level == 1);
- var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";
- return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)
-}
-
-
-// Determines whether an event happened in the gutter, and fires the
-// handlers for the corresponding event.
-function gutterEvent(cm, e, type, prevent) {
- var mX, mY;
- if (e.touches) {
- mX = e.touches[0].clientX;
- mY = e.touches[0].clientY;
- } else {
- try { mX = e.clientX; mY = e.clientY; }
- catch(e) { return false }
- }
- if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }
- if (prevent) { e_preventDefault(e); }
-
- var display = cm.display;
- var lineBox = display.lineDiv.getBoundingClientRect();
+ var valueKeywords_ = [
+ "above", "absolute", "activeborder", "additive", "activecaption", "afar",
+ "after-white-space", "ahead", "alias", "all", "all-scroll", "alphabetic", "alternate",
+ "always", "amharic", "amharic-abegede", "antialiased", "appworkspace",
+ "arabic-indic", "armenian", "asterisks", "attr", "auto", "auto-flow", "avoid", "avoid-column", "avoid-page",
+ "avoid-region", "background", "backwards", "baseline", "below", "bidi-override", "binary",
+ "bengali", "blink", "block", "block-axis", "bold", "bolder", "border", "border-box",
+ "both", "bottom", "break", "break-all", "break-word", "bullets", "button", "button-bevel",
+ "buttonface", "buttonhighlight", "buttonshadow", "buttontext", "calc", "cambodian",
+ "capitalize", "caps-lock-indicator", "caption", "captiontext", "caret",
+ "cell", "center", "checkbox", "circle", "cjk-decimal", "cjk-earthly-branch",
+ "cjk-heavenly-stem", "cjk-ideographic", "clear", "clip", "close-quote",
+ "col-resize", "collapse", "color", "color-burn", "color-dodge", "column", "column-reverse",
+ "compact", "condensed", "contain", "content", "contents",
+ "content-box", "context-menu", "continuous", "copy", "counter", "counters", "cover", "crop",
+ "cross", "crosshair", "currentcolor", "cursive", "cyclic", "darken", "dashed", "decimal",
+ "decimal-leading-zero", "default", "default-button", "dense", "destination-atop",
+ "destination-in", "destination-out", "destination-over", "devanagari", "difference",
+ "disc", "discard", "disclosure-closed", "disclosure-open", "document",
+ "dot-dash", "dot-dot-dash",
+ "dotted", "double", "down", "e-resize", "ease", "ease-in", "ease-in-out", "ease-out",
+ "element", "ellipse", "ellipsis", "embed", "end", "ethiopic", "ethiopic-abegede",
+ "ethiopic-abegede-am-et", "ethiopic-abegede-gez", "ethiopic-abegede-ti-er",
+ "ethiopic-abegede-ti-et", "ethiopic-halehame-aa-er",
+ "ethiopic-halehame-aa-et", "ethiopic-halehame-am-et",
+ "ethiopic-halehame-gez", "ethiopic-halehame-om-et",
+ "ethiopic-halehame-sid-et", "ethiopic-halehame-so-et",
+ "ethiopic-halehame-ti-er", "ethiopic-halehame-ti-et", "ethiopic-halehame-tig",
+ "ethiopic-numeric", "ew-resize", "exclusion", "expanded", "extends", "extra-condensed",
+ "extra-expanded", "fantasy", "fast", "fill", "fixed", "flat", "flex", "flex-end", "flex-start", "footnotes",
+ "forwards", "from", "geometricPrecision", "georgian", "graytext", "grid", "groove",
+ "gujarati", "gurmukhi", "hand", "hangul", "hangul-consonant", "hard-light", "hebrew",
+ "help", "hidden", "hide", "higher", "highlight", "highlighttext",
+ "hiragana", "hiragana-iroha", "horizontal", "hsl", "hsla", "hue", "icon", "ignore",
+ "inactiveborder", "inactivecaption", "inactivecaptiontext", "infinite",
+ "infobackground", "infotext", "inherit", "initial", "inline", "inline-axis",
+ "inline-block", "inline-flex", "inline-grid", "inline-table", "inset", "inside", "intrinsic", "invert",
+ "italic", "japanese-formal", "japanese-informal", "justify", "kannada",
+ "katakana", "katakana-iroha", "keep-all", "khmer",
+ "korean-hangul-formal", "korean-hanja-formal", "korean-hanja-informal",
+ "landscape", "lao", "large", "larger", "left", "level", "lighter", "lighten",
+ "line-through", "linear", "linear-gradient", "lines", "list-item", "listbox", "listitem",
+ "local", "logical", "loud", "lower", "lower-alpha", "lower-armenian",
+ "lower-greek", "lower-hexadecimal", "lower-latin", "lower-norwegian",
+ "lower-roman", "lowercase", "ltr", "luminosity", "malayalam", "match", "matrix", "matrix3d",
+ "media-controls-background", "media-current-time-display",
+ "media-fullscreen-button", "media-mute-button", "media-play-button",
+ "media-return-to-realtime-button", "media-rewind-button",
+ "media-seek-back-button", "media-seek-forward-button", "media-slider",
+ "media-sliderthumb", "media-time-remaining-display", "media-volume-slider",
+ "media-volume-slider-container", "media-volume-sliderthumb", "medium",
+ "menu", "menulist", "menulist-button", "menulist-text",
+ "menulist-textfield", "menutext", "message-box", "middle", "min-intrinsic",
+ "mix", "mongolian", "monospace", "move", "multiple", "multiply", "myanmar", "n-resize",
+ "narrower", "ne-resize", "nesw-resize", "no-close-quote", "no-drop",
+ "no-open-quote", "no-repeat", "none", "normal", "not-allowed", "nowrap",
+ "ns-resize", "numbers", "numeric", "nw-resize", "nwse-resize", "oblique", "octal", "opacity", "open-quote",
+ "optimizeLegibility", "optimizeSpeed", "oriya", "oromo", "outset",
+ "outside", "outside-shape", "overlay", "overline", "padding", "padding-box",
+ "painted", "page", "paused", "persian", "perspective", "plus-darker", "plus-lighter",
+ "pointer", "polygon", "portrait", "pre", "pre-line", "pre-wrap", "preserve-3d",
+ "progress", "push-button", "radial-gradient", "radio", "read-only",
+ "read-write", "read-write-plaintext-only", "rectangle", "region",
+ "relative", "repeat", "repeating-linear-gradient",
+ "repeating-radial-gradient", "repeat-x", "repeat-y", "reset", "reverse",
+ "rgb", "rgba", "ridge", "right", "rotate", "rotate3d", "rotateX", "rotateY",
+ "rotateZ", "round", "row", "row-resize", "row-reverse", "rtl", "run-in", "running",
+ "s-resize", "sans-serif", "saturation", "scale", "scale3d", "scaleX", "scaleY", "scaleZ", "screen",
+ "scroll", "scrollbar", "scroll-position", "se-resize", "searchfield",
+ "searchfield-cancel-button", "searchfield-decoration",
+ "searchfield-results-button", "searchfield-results-decoration", "self-start", "self-end",
+ "semi-condensed", "semi-expanded", "separate", "serif", "show", "sidama",
+ "simp-chinese-formal", "simp-chinese-informal", "single",
+ "skew", "skewX", "skewY", "skip-white-space", "slide", "slider-horizontal",
+ "slider-vertical", "sliderthumb-horizontal", "sliderthumb-vertical", "slow",
+ "small", "small-caps", "small-caption", "smaller", "soft-light", "solid", "somali",
+ "source-atop", "source-in", "source-out", "source-over", "space", "space-around", "space-between", "space-evenly", "spell-out", "square",
+ "square-button", "start", "static", "status-bar", "stretch", "stroke", "sub",
+ "subpixel-antialiased", "super", "sw-resize", "symbolic", "symbols", "system-ui", "table",
+ "table-caption", "table-cell", "table-column", "table-column-group",
+ "table-footer-group", "table-header-group", "table-row", "table-row-group",
+ "tamil",
+ "telugu", "text", "text-bottom", "text-top", "textarea", "textfield", "thai",
+ "thick", "thin", "threeddarkshadow", "threedface", "threedhighlight",
+ "threedlightshadow", "threedshadow", "tibetan", "tigre", "tigrinya-er",
+ "tigrinya-er-abegede", "tigrinya-et", "tigrinya-et-abegede", "to", "top",
+ "trad-chinese-formal", "trad-chinese-informal", "transform",
+ "translate", "translate3d", "translateX", "translateY", "translateZ",
+ "transparent", "ultra-condensed", "ultra-expanded", "underline", "unset", "up",
+ "upper-alpha", "upper-armenian", "upper-greek", "upper-hexadecimal",
+ "upper-latin", "upper-norwegian", "upper-roman", "uppercase", "urdu", "url",
+ "var", "vertical", "vertical-text", "visible", "visibleFill", "visiblePainted",
+ "visibleStroke", "visual", "w-resize", "wait", "wave", "wider",
+ "window", "windowframe", "windowtext", "words", "wrap", "wrap-reverse", "x-large", "x-small", "xor",
+ "xx-large", "xx-small"
+ ], valueKeywords = keySet(valueKeywords_);
- if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }
- mY -= lineBox.top - display.viewOffset;
+ var allWords = documentTypes_.concat(mediaTypes_).concat(mediaFeatures_).concat(mediaValueKeywords_)
+ .concat(propertyKeywords_).concat(nonStandardPropertyKeywords_).concat(colorKeywords_)
+ .concat(valueKeywords_);
+ CodeMirror.registerHelper("hintWords", "css", allWords);
- for (var i = 0; i < cm.options.gutters.length; ++i) {
- var g = display.gutters.childNodes[i];
- if (g && g.getBoundingClientRect().right >= mX) {
- var line = lineAtHeight(cm.doc, mY);
- var gutter = cm.options.gutters[i];
- signal(cm, type, cm, line, gutter, e);
- return e_defaultPrevented(e)
+ function tokenCComment(stream, state) {
+ var maybeEnd = false, ch;
+ while ((ch = stream.next()) != null) {
+ if (maybeEnd && ch == "/") {
+ state.tokenize = null;
+ break;
+ }
+ maybeEnd = (ch == "*");
}
+ return ["comment", "comment"];
}
-}
-function clickInGutter(cm, e) {
- return gutterEvent(cm, e, "gutterClick", true)
-}
+ CodeMirror.defineMIME("text/css", {
+ documentTypes: documentTypes,
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ fontProperties: fontProperties,
+ counterDescriptors: counterDescriptors,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (!stream.eat("*")) return false;
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ }
+ },
+ name: "css"
+ });
-// CONTEXT MENU HANDLING
+ CodeMirror.defineMIME("text/x-scss", {
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ fontProperties: fontProperties,
+ allowNested: true,
+ lineComment: "//",
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return ["comment", "comment"];
+ } else if (stream.eat("*")) {
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ } else {
+ return ["operator", "operator"];
+ }
+ },
+ ":": function(stream) {
+ if (stream.match(/\s*\{/, false))
+ return [null, null]
+ return false;
+ },
+ "$": function(stream) {
+ stream.match(/^[\w-]+/);
+ if (stream.match(/^\s*:/, false))
+ return ["variable-2", "variable-definition"];
+ return ["variable-2", "variable"];
+ },
+ "#": function(stream) {
+ if (!stream.eat("{")) return false;
+ return [null, "interpolation"];
+ }
+ },
+ name: "css",
+ helperType: "scss"
+ });
-// To make the context menu work, we need to briefly unhide the
-// textarea (making it as unobtrusive as possible) to let the
-// right-click take effect on it.
-function onContextMenu(cm, e) {
- if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }
- if (signalDOMEvent(cm, e, "contextmenu")) { return }
- cm.display.input.onContextMenu(e);
-}
+ CodeMirror.defineMIME("text/x-less", {
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ mediaValueKeywords: mediaValueKeywords,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ fontProperties: fontProperties,
+ allowNested: true,
+ lineComment: "//",
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (stream.eat("/")) {
+ stream.skipToEnd();
+ return ["comment", "comment"];
+ } else if (stream.eat("*")) {
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ } else {
+ return ["operator", "operator"];
+ }
+ },
+ "@": function(stream) {
+ if (stream.eat("{")) return [null, "interpolation"];
+ if (stream.match(/^(charset|document|font-face|import|(-(moz|ms|o|webkit)-)?keyframes|media|namespace|page|supports)\b/i, false)) return false;
+ stream.eatWhile(/[\w\\\-]/);
+ if (stream.match(/^\s*:/, false))
+ return ["variable-2", "variable-definition"];
+ return ["variable-2", "variable"];
+ },
+ "&": function() {
+ return ["atom", "atom"];
+ }
+ },
+ name: "css",
+ helperType: "less"
+ });
-function contextMenuInGutter(cm, e) {
- if (!hasHandler(cm, "gutterContextMenu")) { return false }
- return gutterEvent(cm, e, "gutterContextMenu", false)
-}
+ CodeMirror.defineMIME("text/x-gss", {
+ documentTypes: documentTypes,
+ mediaTypes: mediaTypes,
+ mediaFeatures: mediaFeatures,
+ propertyKeywords: propertyKeywords,
+ nonStandardPropertyKeywords: nonStandardPropertyKeywords,
+ fontProperties: fontProperties,
+ counterDescriptors: counterDescriptors,
+ colorKeywords: colorKeywords,
+ valueKeywords: valueKeywords,
+ supportsAtComponent: true,
+ tokenHooks: {
+ "/": function(stream, state) {
+ if (!stream.eat("*")) return false;
+ state.tokenize = tokenCComment;
+ return tokenCComment(stream, state);
+ }
+ },
+ name: "css",
+ helperType: "gss"
+ });
-function themeChanged(cm) {
- cm.display.wrapper.className = cm.display.wrapper.className.replace(/\s*cm-s-\S+/g, "") +
- cm.options.theme.replace(/(^|\s)\s*/g, " cm-s-");
- clearCaches(cm);
-}
+});
-var Init = {toString: function(){return "CodeMirror.Init"}};
-var defaults = {};
-var optionHandlers = {};
+/***/ }),
-function defineOptions(CodeMirror) {
- var optionHandlers = CodeMirror.optionHandlers;
+/***/ "./node_modules/codemirror/mode/htmlmixed/htmlmixed.js":
+/*!*************************************************************!*\
+ !*** ./node_modules/codemirror/mode/htmlmixed/htmlmixed.js ***!
+ \*************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- function option(name, deflt, handle, notOnInit) {
- CodeMirror.defaults[name] = deflt;
- if (handle) { optionHandlers[name] =
- notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }
- }
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
- CodeMirror.defineOption = option;
-
- // Passed to option handlers when there is no old value.
- CodeMirror.Init = Init;
-
- // These two are, on init, called from the constructor because they
- // have to be initialized before the editor can start at all.
- option("value", "", function (cm, val) { return cm.setValue(val); }, true);
- option("mode", null, function (cm, val) {
- cm.doc.modeOption = val;
- loadMode(cm);
- }, true);
-
- option("indentUnit", 2, loadMode, true);
- option("indentWithTabs", false);
- option("smartIndent", true);
- option("tabSize", 4, function (cm) {
- resetModeState(cm);
- clearCaches(cm);
- regChange(cm);
- }, true);
- option("lineSeparator", null, function (cm, val) {
- cm.doc.lineSep = val;
- if (!val) { return }
- var newBreaks = [], lineNo = cm.doc.first;
- cm.doc.iter(function (line) {
- for (var pos = 0;;) {
- var found = line.text.indexOf(val, pos);
- if (found == -1) { break }
- pos = found + val.length;
- newBreaks.push(Pos(lineNo, found));
- }
- lineNo++;
- });
- for (var i = newBreaks.length - 1; i >= 0; i--)
- { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }
- });
- option("specialChars", /[\u0000-\u001f\u007f-\u009f\u00ad\u061c\u200b-\u200f\u2028\u2029\ufeff]/g, function (cm, val, old) {
- cm.state.specialChars = new RegExp(val.source + (val.test("\t") ? "" : "|\t"), "g");
- if (old != Init) { cm.refresh(); }
- });
- option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);
- option("electricChars", true);
- option("inputStyle", mobile ? "contenteditable" : "textarea", function () {
- throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME
- }, true);
- option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);
- option("rtlMoveVisually", !windows);
- option("wholeLineUpdateBefore", true);
-
- option("theme", "default", function (cm) {
- themeChanged(cm);
- guttersChanged(cm);
- }, true);
- option("keyMap", "default", function (cm, val, old) {
- var next = getKeyMap(val);
- var prev = old != Init && getKeyMap(old);
- if (prev && prev.detach) { prev.detach(cm, next); }
- if (next.attach) { next.attach(cm, prev || null); }
- });
- option("extraKeys", null);
- option("configureMouse", null);
-
- option("lineWrapping", false, wrappingChanged, true);
- option("gutters", [], function (cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("fixedGutter", true, function (cm, val) {
- cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";
- cm.refresh();
- }, true);
- option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);
- option("scrollbarStyle", "native", function (cm) {
- initScrollbars(cm);
- updateScrollbars(cm);
- cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);
- cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);
- }, true);
- option("lineNumbers", false, function (cm) {
- setGuttersForLineNumbers(cm.options);
- guttersChanged(cm);
- }, true);
- option("firstLineNumber", 1, guttersChanged, true);
- option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true);
- option("showCursorWhenSelecting", false, updateSelection, true);
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"), __webpack_require__(/*! ../xml/xml */ "./node_modules/codemirror/mode/xml/xml.js"), __webpack_require__(/*! ../javascript/javascript */ "./node_modules/codemirror/mode/javascript/javascript.js"), __webpack_require__(/*! ../css/css */ "./node_modules/codemirror/mode/css/css.js"));
+ else {}
+})(function(CodeMirror) {
+ "use strict";
- option("resetSelectionOnContextMenu", true);
- option("lineWiseCopyCut", true);
- option("pasteLinesPerSelection", true);
+ var defaultTags = {
+ script: [
+ ["lang", /(javascript|babel)/i, "javascript"],
+ ["type", /^(?:text|application)\/(?:x-)?(?:java|ecma)script$|^module$|^$/i, "javascript"],
+ ["type", /./, "text/plain"],
+ [null, null, "javascript"]
+ ],
+ style: [
+ ["lang", /^css$/i, "css"],
+ ["type", /^(text\/)?(x-)?(stylesheet|css)$/i, "css"],
+ ["type", /./, "text/plain"],
+ [null, null, "css"]
+ ]
+ };
- option("readOnly", false, function (cm, val) {
- if (val == "nocursor") {
- onBlur(cm);
- cm.display.input.blur();
+ function maybeBackup(stream, pat, style) {
+ var cur = stream.current(), close = cur.search(pat);
+ if (close > -1) {
+ stream.backUp(cur.length - close);
+ } else if (cur.match(/<\/?$/)) {
+ stream.backUp(cur.length);
+ if (!stream.match(pat, false)) stream.match(cur);
}
- cm.display.input.readOnlyChanged(val);
- });
- option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);
- option("dragDrop", true, dragDropChanged);
- option("allowDropFileTypes", null);
-
- option("cursorBlinkRate", 530);
- option("cursorScrollMargin", 0);
- option("cursorHeight", 1, updateSelection, true);
- option("singleCursorHeightPerLine", true, updateSelection, true);
- option("workTime", 100);
- option("workDelay", 100);
- option("flattenSpans", true, resetModeState, true);
- option("addModeClass", false, resetModeState, true);
- option("pollInterval", 100);
- option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });
- option("historyEventDelay", 1250);
- option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);
- option("maxHighlightLength", 10000, resetModeState, true);
- option("moveInputWithCursor", true, function (cm, val) {
- if (!val) { cm.display.input.resetPosition(); }
- });
-
- option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });
- option("autofocus", null);
- option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);
-}
-
-function guttersChanged(cm) {
- updateGutters(cm);
- regChange(cm);
- alignHorizontally(cm);
-}
-
-function dragDropChanged(cm, value, old) {
- var wasOn = old && old != Init;
- if (!value != !wasOn) {
- var funcs = cm.display.dragFunctions;
- var toggle = value ? on : off;
- toggle(cm.display.scroller, "dragstart", funcs.start);
- toggle(cm.display.scroller, "dragenter", funcs.enter);
- toggle(cm.display.scroller, "dragover", funcs.over);
- toggle(cm.display.scroller, "dragleave", funcs.leave);
- toggle(cm.display.scroller, "drop", funcs.drop);
+ return style;
}
-}
-function wrappingChanged(cm) {
- if (cm.options.lineWrapping) {
- addClass(cm.display.wrapper, "CodeMirror-wrap");
- cm.display.sizer.style.minWidth = "";
- cm.display.sizerWidth = null;
- } else {
- rmClass(cm.display.wrapper, "CodeMirror-wrap");
- findMaxLine(cm);
+ var attrRegexpCache = {};
+ function getAttrRegexp(attr) {
+ var regexp = attrRegexpCache[attr];
+ if (regexp) return regexp;
+ return attrRegexpCache[attr] = new RegExp("\\s+" + attr + "\\s*=\\s*('|\")?([^'\"]+)('|\")?\\s*");
}
- estimateLineHeights(cm);
- regChange(cm);
- clearCaches(cm);
- setTimeout(function () { return updateScrollbars(cm); }, 100);
-}
-
-// A CodeMirror instance represents an editor. This is the object
-// that user code is usually dealing with.
-
-function CodeMirror$1(place, options) {
- var this$1 = this;
-
- if (!(this instanceof CodeMirror$1)) { return new CodeMirror$1(place, options) }
-
- this.options = options = options ? copyObj(options) : {};
- // Determine effective options based on given values and defaults.
- copyObj(defaults, options, false);
- setGuttersForLineNumbers(options);
-
- var doc = options.value;
- if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }
- this.doc = doc;
-
- var input = new CodeMirror$1.inputStyles[options.inputStyle](this);
- var display = this.display = new Display(place, doc, input);
- display.wrapper.CodeMirror = this;
- updateGutters(this);
- themeChanged(this);
- if (options.lineWrapping)
- { this.display.wrapper.className += " CodeMirror-wrap"; }
- initScrollbars(this);
-
- this.state = {
- keyMaps: [], // stores maps added by addKeyMap
- overlays: [], // highlighting overlays, as added by addOverlay
- modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info
- overwrite: false,
- delayingBlurEvent: false,
- focused: false,
- suppressEdits: false, // used to disable editing during key handlers when in readOnly mode
- pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll
- selectingText: false,
- draggingText: false,
- highlight: new Delayed(), // stores highlight worker timeout
- keySeq: null, // Unfinished key sequence
- specialChars: null
- };
-
- if (options.autofocus && !mobile) { display.input.focus(); }
-
- // Override magic textarea content restore that IE sometimes does
- // on our hidden textarea on reload
- if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }
-
- registerEventHandlers(this);
- ensureGlobalHandlers();
-
- startOperation(this);
- this.curOp.forceUpdate = true;
- attachDoc(this, doc);
-
- if ((options.autofocus && !mobile) || this.hasFocus())
- { setTimeout(bind(onFocus, this), 20); }
- else
- { onBlur(this); }
-
- for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))
- { optionHandlers[opt](this$1, options[opt], Init); } }
- maybeUpdateLineNumberWidth(this);
- if (options.finishInit) { options.finishInit(this); }
- for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }
- endOperation(this);
- // Suppress optimizelegibility in Webkit, since it breaks text
- // measuring on line wrapping boundaries.
- if (webkit && options.lineWrapping &&
- getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")
- { display.lineDiv.style.textRendering = "auto"; }
-}
-
-// The default configuration options.
-CodeMirror$1.defaults = defaults;
-// Functions to run when options are changed.
-CodeMirror$1.optionHandlers = optionHandlers;
-
-// Attach the necessary event handlers when initializing the editor
-function registerEventHandlers(cm) {
- var d = cm.display;
- on(d.scroller, "mousedown", operation(cm, onMouseDown));
- // Older IE's will not fire a second mousedown for a double click
- if (ie && ie_version < 11)
- { on(d.scroller, "dblclick", operation(cm, function (e) {
- if (signalDOMEvent(cm, e)) { return }
- var pos = posFromMouse(cm, e);
- if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }
- e_preventDefault(e);
- var word = cm.findWordAt(pos);
- extendSelection(cm.doc, word.anchor, word.head);
- })); }
- else
- { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }
- // Some browsers fire contextmenu *after* opening the menu, at
- // which point we can't mess with it anymore. Context menu is
- // handled in onMouseDown for these browsers.
- if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); }
-
- // Used to suppress mouse event handling when a touch happens
- var touchFinished, prevTouch = {end: 0};
- function finishTouch() {
- if (d.activeTouch) {
- touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);
- prevTouch = d.activeTouch;
- prevTouch.end = +new Date;
- }
- }
- function isMouseLikeTouchEvent(e) {
- if (e.touches.length != 1) { return false }
- var touch = e.touches[0];
- return touch.radiusX <= 1 && touch.radiusY <= 1
- }
- function farAway(touch, other) {
- if (other.left == null) { return true }
- var dx = other.left - touch.left, dy = other.top - touch.top;
- return dx * dx + dy * dy > 20 * 20
- }
- on(d.scroller, "touchstart", function (e) {
- if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {
- d.input.ensurePolled();
- clearTimeout(touchFinished);
- var now = +new Date;
- d.activeTouch = {start: now, moved: false,
- prev: now - prevTouch.end <= 300 ? prevTouch : null};
- if (e.touches.length == 1) {
- d.activeTouch.left = e.touches[0].pageX;
- d.activeTouch.top = e.touches[0].pageY;
- }
- }
- });
- on(d.scroller, "touchmove", function () {
- if (d.activeTouch) { d.activeTouch.moved = true; }
- });
- on(d.scroller, "touchend", function (e) {
- var touch = d.activeTouch;
- if (touch && !eventInWidget(d, e) && touch.left != null &&
- !touch.moved && new Date - touch.start < 300) {
- var pos = cm.coordsChar(d.activeTouch, "page"), range;
- if (!touch.prev || farAway(touch, touch.prev)) // Single tap
- { range = new Range(pos, pos); }
- else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap
- { range = cm.findWordAt(pos); }
- else // Triple tap
- { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }
- cm.setSelection(range.anchor, range.head);
- cm.focus();
- e_preventDefault(e);
- }
- finishTouch();
- });
- on(d.scroller, "touchcancel", finishTouch);
-
- // Sync scrolling between fake scrollbars and real scrollable
- // area, ensure viewport is updated when scrolling.
- on(d.scroller, "scroll", function () {
- if (d.scroller.clientHeight) {
- updateScrollTop(cm, d.scroller.scrollTop);
- setScrollLeft(cm, d.scroller.scrollLeft, true);
- signal(cm, "scroll", cm);
- }
- });
- // Listen to wheel events in order to try and update the viewport on time.
- on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });
- on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });
-
- // Prevent wrapper from ever scrolling
- on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });
-
- d.dragFunctions = {
- enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},
- over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},
- start: function (e) { return onDragStart(cm, e); },
- drop: operation(cm, onDrop),
- leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}
- };
-
- var inp = d.input.getField();
- on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });
- on(inp, "keydown", operation(cm, onKeyDown));
- on(inp, "keypress", operation(cm, onKeyPress));
- on(inp, "focus", function (e) { return onFocus(cm, e); });
- on(inp, "blur", function (e) { return onBlur(cm, e); });
-}
-
-var initHooks = [];
-CodeMirror$1.defineInitHook = function (f) { return initHooks.push(f); };
-
-// Indent the given line. The how parameter can be "smart",
-// "add"/null, "subtract", or "prev". When aggressive is false
-// (typically set to true for forced single-line indents), empty
-// lines are not indented, and places where the mode returns Pass
-// are left alone.
-function indentLine(cm, n, how, aggressive) {
- var doc = cm.doc, state;
- if (how == null) { how = "add"; }
- if (how == "smart") {
- // Fall back to "prev" when the mode doesn't have an indentation
- // method.
- if (!doc.mode.indent) { how = "prev"; }
- else { state = getContextBefore(cm, n).state; }
- }
-
- var tabSize = cm.options.tabSize;
- var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);
- if (line.stateAfter) { line.stateAfter = null; }
- var curSpaceString = line.text.match(/^\s*/)[0], indentation;
- if (!aggressive && !/\S/.test(line.text)) {
- indentation = 0;
- how = "not";
- } else if (how == "smart") {
- indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);
- if (indentation == Pass || indentation > 150) {
- if (!aggressive) { return }
- how = "prev";
- }
- }
- if (how == "prev") {
- if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }
- else { indentation = 0; }
- } else if (how == "add") {
- indentation = curSpace + cm.options.indentUnit;
- } else if (how == "subtract") {
- indentation = curSpace - cm.options.indentUnit;
- } else if (typeof how == "number") {
- indentation = curSpace + how;
- }
- indentation = Math.max(0, indentation);
-
- var indentString = "", pos = 0;
- if (cm.options.indentWithTabs)
- { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\t";} }
- if (pos < indentation) { indentString += spaceStr(indentation - pos); }
-
- if (indentString != curSpaceString) {
- replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");
- line.stateAfter = null;
- return true
- } else {
- // Ensure that, if the cursor was in the whitespace at the start
- // of the line, it is moved to the end of that space.
- for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {
- var range = doc.sel.ranges[i$1];
- if (range.head.line == n && range.head.ch < curSpaceString.length) {
- var pos$1 = Pos(n, curSpaceString.length);
- replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));
- break
- }
- }
+ function getAttrValue(text, attr) {
+ var match = text.match(getAttrRegexp(attr))
+ return match ? /^\s*(.*?)\s*$/.exec(match[2])[1] : ""
}
-}
-
-// This will be set to a {lineWise: bool, text: [string]} object, so
-// that, when pasting, we know what kind of selections the copied
-// text was made out of.
-var lastCopied = null;
-function setLastCopied(newLastCopied) {
- lastCopied = newLastCopied;
-}
-
-function applyTextInput(cm, inserted, deleted, sel, origin) {
- var doc = cm.doc;
- cm.display.shift = false;
- if (!sel) { sel = doc.sel; }
-
- var paste = cm.state.pasteIncoming || origin == "paste";
- var textLines = splitLinesAuto(inserted), multiPaste = null;
- // When pasing N lines into N selections, insert one line per selection
- if (paste && sel.ranges.length > 1) {
- if (lastCopied && lastCopied.text.join("\n") == inserted) {
- if (sel.ranges.length % lastCopied.text.length == 0) {
- multiPaste = [];
- for (var i = 0; i < lastCopied.text.length; i++)
- { multiPaste.push(doc.splitLines(lastCopied.text[i])); }
- }
- } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {
- multiPaste = map(textLines, function (l) { return [l]; });
- }
- }
-
- var updateInput;
- // Normal behavior is to insert the new text into every selection
- for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {
- var range$$1 = sel.ranges[i$1];
- var from = range$$1.from(), to = range$$1.to();
- if (range$$1.empty()) {
- if (deleted && deleted > 0) // Handle deletion
- { from = Pos(from.line, from.ch - deleted); }
- else if (cm.state.overwrite && !paste) // Handle overwrite
- { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }
- else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\n") == inserted)
- { from = to = Pos(from.line, 0); }
- }
- updateInput = cm.curOp.updateInput;
- var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,
- origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};
- makeChange(cm.doc, changeEvent);
- signalLater(cm, "inputRead", cm, changeEvent);
- }
- if (inserted && !paste)
- { triggerElectric(cm, inserted); }
-
- ensureCursorVisible(cm);
- cm.curOp.updateInput = updateInput;
- cm.curOp.typing = true;
- cm.state.pasteIncoming = cm.state.cutIncoming = false;
-}
-
-function handlePaste(e, cm) {
- var pasted = e.clipboardData && e.clipboardData.getData("Text");
- if (pasted) {
- e.preventDefault();
- if (!cm.isReadOnly() && !cm.options.disableInput)
- { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }
- return true
+ function getTagRegexp(tagName, anchored) {
+ return new RegExp((anchored ? "^" : "") + "<\/\s*" + tagName + "\s*>", "i");
}
-}
-function triggerElectric(cm, inserted) {
- // When an 'electric' character is inserted, immediately trigger a reindent
- if (!cm.options.electricChars || !cm.options.smartIndent) { return }
- var sel = cm.doc.sel;
-
- for (var i = sel.ranges.length - 1; i >= 0; i--) {
- var range$$1 = sel.ranges[i];
- if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }
- var mode = cm.getModeAt(range$$1.head);
- var indented = false;
- if (mode.electricChars) {
- for (var j = 0; j < mode.electricChars.length; j++)
- { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {
- indented = indentLine(cm, range$$1.head.line, "smart");
- break
- } }
- } else if (mode.electricInput) {
- if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))
- { indented = indentLine(cm, range$$1.head.line, "smart"); }
+ function addTags(from, to) {
+ for (var tag in from) {
+ var dest = to[tag] || (to[tag] = []);
+ var source = from[tag];
+ for (var i = source.length - 1; i >= 0; i--)
+ dest.unshift(source[i])
}
- if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }
}
-}
-function copyableRanges(cm) {
- var text = [], ranges = [];
- for (var i = 0; i < cm.doc.sel.ranges.length; i++) {
- var line = cm.doc.sel.ranges[i].head.line;
- var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};
- ranges.push(lineRange);
- text.push(cm.getRange(lineRange.anchor, lineRange.head));
+ function findMatchingMode(tagInfo, tagText) {
+ for (var i = 0; i < tagInfo.length; i++) {
+ var spec = tagInfo[i];
+ if (!spec[0] || spec[1].test(getAttrValue(tagText, spec[0]))) return spec[2];
+ }
}
- return {text: text, ranges: ranges}
-}
-
-function disableBrowserMagic(field, spellcheck) {
- field.setAttribute("autocorrect", "off");
- field.setAttribute("autocapitalize", "off");
- field.setAttribute("spellcheck", !!spellcheck);
-}
-
-function hiddenTextarea() {
- var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");
- var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");
- // The textarea is kept positioned near the cursor to prevent the
- // fact that it'll be scrolled into view on input from scrolling
- // our fake cursor out of view. On webkit, when wrap=off, paste is
- // very slow. So make the area wide instead.
- if (webkit) { te.style.width = "1000px"; }
- else { te.setAttribute("wrap", "off"); }
- // If border: 0; -- iOS fails to open keyboard (issue #1287)
- if (ios) { te.style.border = "1px solid black"; }
- disableBrowserMagic(te);
- return div
-}
-
-// The publicly visible API. Note that methodOp(f) means
-// 'wrap f in an operation, performed on its `this` parameter'.
-
-// This is not the complete set of editor methods. Most of the
-// methods defined on the Doc type are also injected into
-// CodeMirror.prototype, for backwards compatibility and
-// convenience.
-
-var addEditorMethods = function(CodeMirror) {
- var optionHandlers = CodeMirror.optionHandlers;
-
- var helpers = CodeMirror.helpers = {};
- CodeMirror.prototype = {
- constructor: CodeMirror,
- focus: function(){window.focus(); this.display.input.focus();},
-
- setOption: function(option, value) {
- var options = this.options, old = options[option];
- if (options[option] == value && option != "mode") { return }
- options[option] = value;
- if (optionHandlers.hasOwnProperty(option))
- { operation(this, optionHandlers[option])(this, value, old); }
- signal(this, "optionChange", this, option);
- },
-
- getOption: function(option) {return this.options[option]},
- getDoc: function() {return this.doc},
-
- addKeyMap: function(map$$1, bottom) {
- this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));
- },
- removeKeyMap: function(map$$1) {
- var maps = this.state.keyMaps;
- for (var i = 0; i < maps.length; ++i)
- { if (maps[i] == map$$1 || maps[i].name == map$$1) {
- maps.splice(i, 1);
- return true
- } }
- },
+ CodeMirror.defineMode("htmlmixed", function (config, parserConfig) {
+ var htmlMode = CodeMirror.getMode(config, {
+ name: "xml",
+ htmlMode: true,
+ multilineTagIndentFactor: parserConfig.multilineTagIndentFactor,
+ multilineTagIndentPastTag: parserConfig.multilineTagIndentPastTag
+ });
- addOverlay: methodOp(function(spec, options) {
- var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);
- if (mode.startState) { throw new Error("Overlays may not be stateful.") }
- insertSorted(this.state.overlays,
- {mode: mode, modeSpec: spec, opaque: options && options.opaque,
- priority: (options && options.priority) || 0},
- function (overlay) { return overlay.priority; });
- this.state.modeGen++;
- regChange(this);
- }),
- removeOverlay: methodOp(function(spec) {
- var this$1 = this;
+ var tags = {};
+ var configTags = parserConfig && parserConfig.tags, configScript = parserConfig && parserConfig.scriptTypes;
+ addTags(defaultTags, tags);
+ if (configTags) addTags(configTags, tags);
+ if (configScript) for (var i = configScript.length - 1; i >= 0; i--)
+ tags.script.unshift(["type", configScript[i].matches, configScript[i].mode])
- var overlays = this.state.overlays;
- for (var i = 0; i < overlays.length; ++i) {
- var cur = overlays[i].modeSpec;
- if (cur == spec || typeof spec == "string" && cur.name == spec) {
- overlays.splice(i, 1);
- this$1.state.modeGen++;
- regChange(this$1);
- return
- }
+ function html(stream, state) {
+ var style = htmlMode.token(stream, state.htmlState), tag = /\btag\b/.test(style), tagName
+ if (tag && !/[<>\s\/]/.test(stream.current()) &&
+ (tagName = state.htmlState.tagName && state.htmlState.tagName.toLowerCase()) &&
+ tags.hasOwnProperty(tagName)) {
+ state.inTag = tagName + " "
+ } else if (state.inTag && tag && />$/.test(stream.current())) {
+ var inTag = /^([\S]+) (.*)/.exec(state.inTag)
+ state.inTag = null
+ var modeSpec = stream.current() == ">" && findMatchingMode(tags[inTag[1]], inTag[2])
+ var mode = CodeMirror.getMode(config, modeSpec)
+ var endTagA = getTagRegexp(inTag[1], true), endTag = getTagRegexp(inTag[1], false);
+ state.token = function (stream, state) {
+ if (stream.match(endTagA, false)) {
+ state.token = html;
+ state.localState = state.localMode = null;
+ return null;
+ }
+ return maybeBackup(stream, endTag, state.localMode.token(stream, state.localState));
+ };
+ state.localMode = mode;
+ state.localState = CodeMirror.startState(mode, htmlMode.indent(state.htmlState, "", ""));
+ } else if (state.inTag) {
+ state.inTag += stream.current()
+ if (stream.eol()) state.inTag += " "
}
- }),
+ return style;
+ };
- indentLine: methodOp(function(n, dir, aggressive) {
- if (typeof dir != "string" && typeof dir != "number") {
- if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }
- else { dir = dir ? "add" : "subtract"; }
- }
- if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }
- }),
- indentSelection: methodOp(function(how) {
- var this$1 = this;
+ return {
+ startState: function () {
+ var state = CodeMirror.startState(htmlMode);
+ return {token: html, inTag: null, localMode: null, localState: null, htmlState: state};
+ },
- var ranges = this.doc.sel.ranges, end = -1;
- for (var i = 0; i < ranges.length; i++) {
- var range$$1 = ranges[i];
- if (!range$$1.empty()) {
- var from = range$$1.from(), to = range$$1.to();
- var start = Math.max(end, from.line);
- end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;
- for (var j = start; j < end; ++j)
- { indentLine(this$1, j, how); }
- var newRanges = this$1.doc.sel.ranges;
- if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)
- { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }
- } else if (range$$1.head.line > end) {
- indentLine(this$1, range$$1.head.line, how, true);
- end = range$$1.head.line;
- if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }
+ copyState: function (state) {
+ var local;
+ if (state.localState) {
+ local = CodeMirror.copyState(state.localMode, state.localState);
}
- }
- }),
-
- // Fetch the parser token for a given character. Useful for hacks
- // that want to inspect the mode state (say, for completion).
- getTokenAt: function(pos, precise) {
- return takeToken(this, pos, precise)
- },
-
- getLineTokens: function(line, precise) {
- return takeToken(this, Pos(line), precise, true)
- },
-
- getTokenTypeAt: function(pos) {
- pos = clipPos(this.doc, pos);
- var styles = getLineStyles(this, getLine(this.doc, pos.line));
- var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;
- var type;
- if (ch == 0) { type = styles[2]; }
- else { for (;;) {
- var mid = (before + after) >> 1;
- if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }
- else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }
- else { type = styles[mid * 2 + 2]; break }
- } }
- var cut = type ? type.indexOf("overlay ") : -1;
- return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)
- },
-
- getModeAt: function(pos) {
- var mode = this.doc.mode;
- if (!mode.innerMode) { return mode }
- return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode
- },
+ return {token: state.token, inTag: state.inTag,
+ localMode: state.localMode, localState: local,
+ htmlState: CodeMirror.copyState(htmlMode, state.htmlState)};
+ },
- getHelper: function(pos, type) {
- return this.getHelpers(pos, type)[0]
- },
+ token: function (stream, state) {
+ return state.token(stream, state);
+ },
- getHelpers: function(pos, type) {
- var this$1 = this;
+ indent: function (state, textAfter, line) {
+ if (!state.localMode || /^\s*<\//.test(textAfter))
+ return htmlMode.indent(state.htmlState, textAfter, line);
+ else if (state.localMode.indent)
+ return state.localMode.indent(state.localState, textAfter, line);
+ else
+ return CodeMirror.Pass;
+ },
- var found = [];
- if (!helpers.hasOwnProperty(type)) { return found }
- var help = helpers[type], mode = this.getModeAt(pos);
- if (typeof mode[type] == "string") {
- if (help[mode[type]]) { found.push(help[mode[type]]); }
- } else if (mode[type]) {
- for (var i = 0; i < mode[type].length; i++) {
- var val = help[mode[type][i]];
- if (val) { found.push(val); }
- }
- } else if (mode.helperType && help[mode.helperType]) {
- found.push(help[mode.helperType]);
- } else if (help[mode.name]) {
- found.push(help[mode.name]);
- }
- for (var i$1 = 0; i$1 < help._global.length; i$1++) {
- var cur = help._global[i$1];
- if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)
- { found.push(cur.val); }
+ innerMode: function (state) {
+ return {state: state.localState || state.htmlState, mode: state.localMode || htmlMode};
}
- return found
- },
+ };
+ }, "xml", "javascript", "css");
- getStateAfter: function(line, precise) {
- var doc = this.doc;
- line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);
- return getContextBefore(this, line + 1, precise).state
- },
+ CodeMirror.defineMIME("text/html", "htmlmixed");
+});
- cursorCoords: function(start, mode) {
- var pos, range$$1 = this.doc.sel.primary();
- if (start == null) { pos = range$$1.head; }
- else if (typeof start == "object") { pos = clipPos(this.doc, start); }
- else { pos = start ? range$$1.from() : range$$1.to(); }
- return cursorCoords(this, pos, mode || "page")
- },
- charCoords: function(pos, mode) {
- return charCoords(this, clipPos(this.doc, pos), mode || "page")
- },
+/***/ }),
- coordsChar: function(coords, mode) {
- coords = fromCoordSystem(this, coords, mode || "page");
- return coordsChar(this, coords.left, coords.top)
- },
+/***/ "./node_modules/codemirror/mode/javascript/javascript.js":
+/*!***************************************************************!*\
+ !*** ./node_modules/codemirror/mode/javascript/javascript.js ***!
+ \***************************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- lineAtHeight: function(height, mode) {
- height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;
- return lineAtHeight(this.doc, height + this.display.viewOffset)
- },
- heightAtLine: function(line, mode, includeWidgets) {
- var end = false, lineObj;
- if (typeof line == "number") {
- var last = this.doc.first + this.doc.size - 1;
- if (line < this.doc.first) { line = this.doc.first; }
- else if (line > last) { line = last; end = true; }
- lineObj = getLine(this.doc, line);
- } else {
- lineObj = line;
- }
- return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +
- (end ? this.doc.height - heightAtLine(lineObj) : 0)
- },
-
- defaultTextHeight: function() { return textHeight(this.display) },
- defaultCharWidth: function() { return charWidth(this.display) },
-
- getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},
-
- addWidget: function(pos, node, scroll, vert, horiz) {
- var display = this.display;
- pos = cursorCoords(this, clipPos(this.doc, pos));
- var top = pos.bottom, left = pos.left;
- node.style.position = "absolute";
- node.setAttribute("cm-ignore-events", "true");
- this.display.input.setUneditable(node);
- display.sizer.appendChild(node);
- if (vert == "over") {
- top = pos.top;
- } else if (vert == "above" || vert == "near") {
- var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),
- hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);
- // Default to positioning above (if specified and possible); otherwise default to positioning below
- if ((vert == 'above' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)
- { top = pos.top - node.offsetHeight; }
- else if (pos.bottom + node.offsetHeight <= vspace)
- { top = pos.bottom; }
- if (left + node.offsetWidth > hspace)
- { left = hspace - node.offsetWidth; }
- }
- node.style.top = top + "px";
- node.style.left = node.style.right = "";
- if (horiz == "right") {
- left = display.sizer.clientWidth - node.offsetWidth;
- node.style.right = "0px";
- } else {
- if (horiz == "left") { left = 0; }
- else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }
- node.style.left = left + "px";
- }
- if (scroll)
- { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }
- },
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
- triggerOnKeyDown: methodOp(onKeyDown),
- triggerOnKeyPress: methodOp(onKeyPress),
- triggerOnKeyUp: onKeyUp,
- triggerOnMouseDown: methodOp(onMouseDown),
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));
+ else {}
+})(function(CodeMirror) {
+"use strict";
- execCommand: function(cmd) {
- if (commands.hasOwnProperty(cmd))
- { return commands[cmd].call(null, this) }
- },
+CodeMirror.defineMode("javascript", function(config, parserConfig) {
+ var indentUnit = config.indentUnit;
+ var statementIndent = parserConfig.statementIndent;
+ var jsonldMode = parserConfig.jsonld;
+ var jsonMode = parserConfig.json || jsonldMode;
+ var isTS = parserConfig.typescript;
+ var wordRE = parserConfig.wordCharacters || /[\w$\xa1-\uffff]/;
- triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),
+ // Tokenizer
- findPosH: function(from, amount, unit, visually) {
- var this$1 = this;
-
- var dir = 1;
- if (amount < 0) { dir = -1; amount = -amount; }
- var cur = clipPos(this.doc, from);
- for (var i = 0; i < amount; ++i) {
- cur = findPosH(this$1.doc, cur, dir, unit, visually);
- if (cur.hitSide) { break }
- }
- return cur
- },
-
- moveH: methodOp(function(dir, unit) {
- var this$1 = this;
-
- this.extendSelectionsBy(function (range$$1) {
- if (this$1.display.shift || this$1.doc.extend || range$$1.empty())
- { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }
- else
- { return dir < 0 ? range$$1.from() : range$$1.to() }
- }, sel_move);
- }),
-
- deleteH: methodOp(function(dir, unit) {
- var sel = this.doc.sel, doc = this.doc;
- if (sel.somethingSelected())
- { doc.replaceSelection("", null, "+delete"); }
- else
- { deleteNearSelection(this, function (range$$1) {
- var other = findPosH(doc, range$$1.head, dir, unit, false);
- return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}
- }); }
- }),
-
- findPosV: function(from, amount, unit, goalColumn) {
- var this$1 = this;
-
- var dir = 1, x = goalColumn;
- if (amount < 0) { dir = -1; amount = -amount; }
- var cur = clipPos(this.doc, from);
- for (var i = 0; i < amount; ++i) {
- var coords = cursorCoords(this$1, cur, "div");
- if (x == null) { x = coords.left; }
- else { coords.left = x; }
- cur = findPosV(this$1, coords, dir, unit);
- if (cur.hitSide) { break }
- }
- return cur
- },
-
- moveV: methodOp(function(dir, unit) {
- var this$1 = this;
-
- var doc = this.doc, goals = [];
- var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();
- doc.extendSelectionsBy(function (range$$1) {
- if (collapse)
- { return dir < 0 ? range$$1.from() : range$$1.to() }
- var headPos = cursorCoords(this$1, range$$1.head, "div");
- if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }
- goals.push(headPos.left);
- var pos = findPosV(this$1, headPos, dir, unit);
- if (unit == "page" && range$$1 == doc.sel.primary())
- { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }
- return pos
- }, sel_move);
- if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)
- { doc.sel.ranges[i].goalColumn = goals[i]; } }
- }),
-
- // Find the word at the given position (as returned by coordsChar).
- findWordAt: function(pos) {
- var doc = this.doc, line = getLine(doc, pos.line).text;
- var start = pos.ch, end = pos.ch;
- if (line) {
- var helper = this.getHelper(pos, "wordChars");
- if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }
- var startChar = line.charAt(start);
- var check = isWordChar(startChar, helper)
- ? function (ch) { return isWordChar(ch, helper); }
- : /\s/.test(startChar) ? function (ch) { return /\s/.test(ch); }
- : function (ch) { return (!/\s/.test(ch) && !isWordChar(ch)); };
- while (start > 0 && check(line.charAt(start - 1))) { --start; }
- while (end < line.length && check(line.charAt(end))) { ++end; }
- }
- return new Range(Pos(pos.line, start), Pos(pos.line, end))
- },
-
- toggleOverwrite: function(value) {
- if (value != null && value == this.state.overwrite) { return }
- if (this.state.overwrite = !this.state.overwrite)
- { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
- else
- { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }
+ var keywords = function(){
+ function kw(type) {return {type: type, style: "keyword"};}
+ var A = kw("keyword a"), B = kw("keyword b"), C = kw("keyword c"), D = kw("keyword d");
+ var operator = kw("operator"), atom = {type: "atom", style: "atom"};
- signal(this, "overwriteToggle", this, this.state.overwrite);
- },
- hasFocus: function() { return this.display.input.getField() == activeElt() },
- isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },
+ return {
+ "if": kw("if"), "while": A, "with": A, "else": B, "do": B, "try": B, "finally": B,
+ "return": D, "break": D, "continue": D, "new": kw("new"), "delete": C, "void": C, "throw": C,
+ "debugger": kw("debugger"), "var": kw("var"), "const": kw("var"), "let": kw("var"),
+ "function": kw("function"), "catch": kw("catch"),
+ "for": kw("for"), "switch": kw("switch"), "case": kw("case"), "default": kw("default"),
+ "in": operator, "typeof": operator, "instanceof": operator,
+ "true": atom, "false": atom, "null": atom, "undefined": atom, "NaN": atom, "Infinity": atom,
+ "this": kw("this"), "class": kw("class"), "super": kw("atom"),
+ "yield": C, "export": kw("export"), "import": kw("import"), "extends": C,
+ "await": C
+ };
+ }();
- scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),
- getScrollInfo: function() {
- var scroller = this.display.scroller;
- return {left: scroller.scrollLeft, top: scroller.scrollTop,
- height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,
- width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,
- clientHeight: displayHeight(this), clientWidth: displayWidth(this)}
- },
+ var isOperatorChar = /[+\-*&%=<>!?|~^@]/;
+ var isJsonldKeyword = /^@(context|id|value|language|type|container|list|set|reverse|index|base|vocab|graph)"/;
- scrollIntoView: methodOp(function(range$$1, margin) {
- if (range$$1 == null) {
- range$$1 = {from: this.doc.sel.primary().head, to: null};
- if (margin == null) { margin = this.options.cursorScrollMargin; }
- } else if (typeof range$$1 == "number") {
- range$$1 = {from: Pos(range$$1, 0), to: null};
- } else if (range$$1.from == null) {
- range$$1 = {from: range$$1, to: null};
+ function readRegexp(stream) {
+ var escaped = false, next, inSet = false;
+ while ((next = stream.next()) != null) {
+ if (!escaped) {
+ if (next == "/" && !inSet) return;
+ if (next == "[") inSet = true;
+ else if (inSet && next == "]") inSet = false;
}
- if (!range$$1.to) { range$$1.to = range$$1.from; }
- range$$1.margin = margin || 0;
+ escaped = !escaped && next == "\\";
+ }
+ }
- if (range$$1.from.line != null) {
- scrollToRange(this, range$$1);
+ // Used as scratch variables to communicate multiple values without
+ // consing up tons of objects.
+ var type, content;
+ function ret(tp, style, cont) {
+ type = tp; content = cont;
+ return style;
+ }
+ function tokenBase(stream, state) {
+ var ch = stream.next();
+ if (ch == '"' || ch == "'") {
+ state.tokenize = tokenString(ch);
+ return state.tokenize(stream, state);
+ } else if (ch == "." && stream.match(/^\d[\d_]*(?:[eE][+\-]?[\d_]+)?/)) {
+ return ret("number", "number");
+ } else if (ch == "." && stream.match("..")) {
+ return ret("spread", "meta");
+ } else if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
+ return ret(ch);
+ } else if (ch == "=" && stream.eat(">")) {
+ return ret("=>", "operator");
+ } else if (ch == "0" && stream.match(/^(?:x[\dA-Fa-f_]+|o[0-7_]+|b[01_]+)n?/)) {
+ return ret("number", "number");
+ } else if (/\d/.test(ch)) {
+ stream.match(/^[\d_]*(?:n|(?:\.[\d_]*)?(?:[eE][+\-]?[\d_]+)?)?/);
+ return ret("number", "number");
+ } else if (ch == "/") {
+ if (stream.eat("*")) {
+ state.tokenize = tokenComment;
+ return tokenComment(stream, state);
+ } else if (stream.eat("/")) {
+ stream.skipToEnd();
+ return ret("comment", "comment");
+ } else if (expressionAllowed(stream, state, 1)) {
+ readRegexp(stream);
+ stream.match(/^\b(([gimyus])(?![gimyus]*\2))+\b/);
+ return ret("regexp", "string-2");
} else {
- scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);
+ stream.eat("=");
+ return ret("operator", "operator", stream.current());
}
- }),
-
- setSize: methodOp(function(width, height) {
- var this$1 = this;
-
- var interpret = function (val) { return typeof val == "number" || /^\d+$/.test(String(val)) ? val + "px" : val; };
- if (width != null) { this.display.wrapper.style.width = interpret(width); }
- if (height != null) { this.display.wrapper.style.height = interpret(height); }
- if (this.options.lineWrapping) { clearLineMeasurementCache(this); }
- var lineNo$$1 = this.display.viewFrom;
- this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {
- if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)
- { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }
- ++lineNo$$1;
- });
- this.curOp.forceUpdate = true;
- signal(this, "refresh", this);
- }),
-
- operation: function(f){return runInOp(this, f)},
- startOperation: function(){return startOperation(this)},
- endOperation: function(){return endOperation(this)},
-
- refresh: methodOp(function() {
- var oldHeight = this.display.cachedTextHeight;
- regChange(this);
- this.curOp.forceUpdate = true;
- clearCaches(this);
- scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);
- updateGutterSpace(this);
- if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)
- { estimateLineHeights(this); }
- signal(this, "refresh", this);
- }),
-
- swapDoc: methodOp(function(doc) {
- var old = this.doc;
- old.cm = null;
- attachDoc(this, doc);
- clearCaches(this);
- this.display.input.reset();
- scrollToCoords(this, doc.scrollLeft, doc.scrollTop);
- this.curOp.forceScroll = true;
- signalLater(this, "swapDoc", this, old);
- return old
- }),
-
- getInputField: function(){return this.display.input.getField()},
- getWrapperElement: function(){return this.display.wrapper},
- getScrollerElement: function(){return this.display.scroller},
- getGutterElement: function(){return this.display.gutters}
- };
- eventMixin(CodeMirror);
-
- CodeMirror.registerHelper = function(type, name, value) {
- if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }
- helpers[type][name] = value;
- };
- CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {
- CodeMirror.registerHelper(type, name, value);
- helpers[type]._global.push({pred: predicate, val: value});
- };
-};
-
-// Used for horizontal relative motion. Dir is -1 or 1 (left or
-// right), unit can be "char", "column" (like char, but doesn't
-// cross line boundaries), "word" (across next word), or "group" (to
-// the start of next group of word or non-word-non-whitespace
-// chars). The visually param controls whether, in right-to-left
-// text, direction 1 means to move towards the next index in the
-// string, or towards the character to the right of the current
-// position. The resulting position will have a hitSide=true
-// property if it reached the end of the document.
-function findPosH(doc, pos, dir, unit, visually) {
- var oldPos = pos;
- var origDir = dir;
- var lineObj = getLine(doc, pos.line);
- function findNextLine() {
- var l = pos.line + dir;
- if (l < doc.first || l >= doc.first + doc.size) { return false }
- pos = new Pos(l, pos.ch, pos.sticky);
- return lineObj = getLine(doc, l)
- }
- function moveOnce(boundToLine) {
- var next;
- if (visually) {
- next = moveVisually(doc.cm, lineObj, pos, dir);
- } else {
- next = moveLogically(lineObj, pos, dir);
- }
- if (next == null) {
- if (!boundToLine && findNextLine())
- { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }
- else
- { return false }
- } else {
- pos = next;
+ } else if (ch == "`") {
+ state.tokenize = tokenQuasi;
+ return tokenQuasi(stream, state);
+ } else if (ch == "#") {
+ stream.skipToEnd();
+ return ret("error", "error");
+ } else if (isOperatorChar.test(ch)) {
+ if (ch != ">" || !state.lexical || state.lexical.type != ">") {
+ if (stream.eat("=")) {
+ if (ch == "!" || ch == "=") stream.eat("=")
+ } else if (/[<>*+\-]/.test(ch)) {
+ stream.eat(ch)
+ if (ch == ">") stream.eat(ch)
+ }
+ }
+ return ret("operator", "operator", stream.current());
+ } else if (wordRE.test(ch)) {
+ stream.eatWhile(wordRE);
+ var word = stream.current()
+ if (state.lastType != ".") {
+ if (keywords.propertyIsEnumerable(word)) {
+ var kw = keywords[word]
+ return ret(kw.type, kw.style, word)
+ }
+ if (word == "async" && stream.match(/^(\s|\/\*.*?\*\/)*[\[\(\w]/, false))
+ return ret("async", "keyword", word)
+ }
+ return ret("variable", "variable", word)
}
- return true
}
- if (unit == "char") {
- moveOnce();
- } else if (unit == "column") {
- moveOnce(true);
- } else if (unit == "word" || unit == "group") {
- var sawType = null, group = unit == "group";
- var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");
- for (var first = true;; first = false) {
- if (dir < 0 && !moveOnce(!first)) { break }
- var cur = lineObj.text.charAt(pos.ch) || "\n";
- var type = isWordChar(cur, helper) ? "w"
- : group && cur == "\n" ? "n"
- : !group || /\s/.test(cur) ? null
- : "p";
- if (group && !first && !type) { type = "s"; }
- if (sawType && sawType != type) {
- if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}
- break
+ function tokenString(quote) {
+ return function(stream, state) {
+ var escaped = false, next;
+ if (jsonldMode && stream.peek() == "@" && stream.match(isJsonldKeyword)){
+ state.tokenize = tokenBase;
+ return ret("jsonld-keyword", "meta");
+ }
+ while ((next = stream.next()) != null) {
+ if (next == quote && !escaped) break;
+ escaped = !escaped && next == "\\";
}
+ if (!escaped) state.tokenize = tokenBase;
+ return ret("string", "string");
+ };
+ }
- if (type) { sawType = type; }
- if (dir > 0 && !moveOnce(!first)) { break }
+ function tokenComment(stream, state) {
+ var maybeEnd = false, ch;
+ while (ch = stream.next()) {
+ if (ch == "/" && maybeEnd) {
+ state.tokenize = tokenBase;
+ break;
+ }
+ maybeEnd = (ch == "*");
}
+ return ret("comment", "comment");
}
- var result = skipAtomic(doc, pos, oldPos, origDir, true);
- if (equalCursorPos(oldPos, result)) { result.hitSide = true; }
- return result
-}
-
-// For relative vertical movement. Dir may be -1 or 1. Unit can be
-// "page" or "line". The resulting position will have a hitSide=true
-// property if it reached the end of the document.
-function findPosV(cm, pos, dir, unit) {
- var doc = cm.doc, x = pos.left, y;
- if (unit == "page") {
- var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);
- var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);
- y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;
-
- } else if (unit == "line") {
- y = dir > 0 ? pos.bottom + 3 : pos.top - 3;
- }
- var target;
- for (;;) {
- target = coordsChar(cm, x, y);
- if (!target.outside) { break }
- if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }
- y += dir * 5;
- }
- return target
-}
-
-// CONTENTEDITABLE INPUT STYLE
-var ContentEditableInput = function(cm) {
- this.cm = cm;
- this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;
- this.polling = new Delayed();
- this.composing = null;
- this.gracePeriod = false;
- this.readDOMTimeout = null;
-};
-
-ContentEditableInput.prototype.init = function (display) {
- var this$1 = this;
-
- var input = this, cm = input.cm;
- var div = input.div = display.lineDiv;
- disableBrowserMagic(div, cm.options.spellcheck);
-
- on(div, "paste", function (e) {
- if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
- // IE doesn't fire input events, so we schedule a read for the pasted content in this way
- if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }
- });
-
- on(div, "compositionstart", function (e) {
- this$1.composing = {data: e.data, done: false};
- });
- on(div, "compositionupdate", function (e) {
- if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }
- });
- on(div, "compositionend", function (e) {
- if (this$1.composing) {
- if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }
- this$1.composing.done = true;
+ function tokenQuasi(stream, state) {
+ var escaped = false, next;
+ while ((next = stream.next()) != null) {
+ if (!escaped && (next == "`" || next == "$" && stream.eat("{"))) {
+ state.tokenize = tokenBase;
+ break;
+ }
+ escaped = !escaped && next == "\\";
}
- });
-
- on(div, "touchstart", function () { return input.forceCompositionEnd(); });
+ return ret("quasi", "string-2", stream.current());
+ }
- on(div, "input", function () {
- if (!this$1.composing) { this$1.readFromDOMSoon(); }
- });
+ var brackets = "([{}])";
+ // This is a crude lookahead trick to try and notice that we're
+ // parsing the argument patterns for a fat-arrow function before we
+ // actually hit the arrow token. It only works if the arrow is on
+ // the same line as the arguments and there's no strange noise
+ // (comments) in between. Fallback is to only notice when we hit the
+ // arrow, and not declare the arguments as locals for the arrow
+ // body.
+ function findFatArrow(stream, state) {
+ if (state.fatArrowAt) state.fatArrowAt = null;
+ var arrow = stream.string.indexOf("=>", stream.start);
+ if (arrow < 0) return;
- function onCopyCut(e) {
- if (signalDOMEvent(cm, e)) { return }
- if (cm.somethingSelected()) {
- setLastCopied({lineWise: false, text: cm.getSelections()});
- if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }
- } else if (!cm.options.lineWiseCopyCut) {
- return
- } else {
- var ranges = copyableRanges(cm);
- setLastCopied({lineWise: true, text: ranges.text});
- if (e.type == "cut") {
- cm.operation(function () {
- cm.setSelections(ranges.ranges, 0, sel_dontScroll);
- cm.replaceSelection("", null, "cut");
- });
- }
+ if (isTS) { // Try to skip TypeScript return type declarations after the arguments
+ var m = /:\s*(?:\w+(?:<[^>]*>|\[\])?|\{[^}]*\})\s*$/.exec(stream.string.slice(stream.start, arrow))
+ if (m) arrow = m.index
}
- if (e.clipboardData) {
- e.clipboardData.clearData();
- var content = lastCopied.text.join("\n");
- // iOS exposes the clipboard API, but seems to discard content inserted into it
- e.clipboardData.setData("Text", content);
- if (e.clipboardData.getData("Text") == content) {
- e.preventDefault();
- return
+
+ var depth = 0, sawSomething = false;
+ for (var pos = arrow - 1; pos >= 0; --pos) {
+ var ch = stream.string.charAt(pos);
+ var bracket = brackets.indexOf(ch);
+ if (bracket >= 0 && bracket < 3) {
+ if (!depth) { ++pos; break; }
+ if (--depth == 0) { if (ch == "(") sawSomething = true; break; }
+ } else if (bracket >= 3 && bracket < 6) {
+ ++depth;
+ } else if (wordRE.test(ch)) {
+ sawSomething = true;
+ } else if (/["'\/`]/.test(ch)) {
+ for (;; --pos) {
+ if (pos == 0) return
+ var next = stream.string.charAt(pos - 1)
+ if (next == ch && stream.string.charAt(pos - 2) != "\\") { pos--; break }
+ }
+ } else if (sawSomething && !depth) {
+ ++pos;
+ break;
}
}
- // Old-fashioned briefly-focus-a-textarea hack
- var kludge = hiddenTextarea(), te = kludge.firstChild;
- cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);
- te.value = lastCopied.text.join("\n");
- var hadFocus = document.activeElement;
- selectInput(te);
- setTimeout(function () {
- cm.display.lineSpace.removeChild(kludge);
- hadFocus.focus();
- if (hadFocus == div) { input.showPrimarySelection(); }
- }, 50);
+ if (sawSomething && !depth) state.fatArrowAt = pos;
}
- on(div, "copy", onCopyCut);
- on(div, "cut", onCopyCut);
-};
-ContentEditableInput.prototype.prepareSelection = function () {
- var result = prepareSelection(this.cm, false);
- result.focus = this.cm.state.focused;
- return result
-};
-
-ContentEditableInput.prototype.showSelection = function (info, takeFocus) {
- if (!info || !this.cm.display.view.length) { return }
- if (info.focus || takeFocus) { this.showPrimarySelection(); }
- this.showMultipleSelections(info);
-};
-
-ContentEditableInput.prototype.showPrimarySelection = function () {
- var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();
- var from = prim.from(), to = prim.to();
-
- if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {
- sel.removeAllRanges();
- return
- }
+ // Parser
- var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
- var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);
- if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&
- cmp(minPos(curAnchor, curFocus), from) == 0 &&
- cmp(maxPos(curAnchor, curFocus), to) == 0)
- { return }
+ var atomicTypes = {"atom": true, "number": true, "variable": true, "string": true, "regexp": true, "this": true, "jsonld-keyword": true};
- var view = cm.display.view;
- var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||
- {node: view[0].measure.map[2], offset: 0};
- var end = to.line < cm.display.viewTo && posToDOM(cm, to);
- if (!end) {
- var measure = view[view.length - 1].measure;
- var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;
- end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};
+ function JSLexical(indented, column, type, align, prev, info) {
+ this.indented = indented;
+ this.column = column;
+ this.type = type;
+ this.prev = prev;
+ this.info = info;
+ if (align != null) this.align = align;
}
- if (!start || !end) {
- sel.removeAllRanges();
- return
+ function inScope(state, varname) {
+ for (var v = state.localVars; v; v = v.next)
+ if (v.name == varname) return true;
+ for (var cx = state.context; cx; cx = cx.prev) {
+ for (var v = cx.vars; v; v = v.next)
+ if (v.name == varname) return true;
+ }
}
- var old = sel.rangeCount && sel.getRangeAt(0), rng;
- try { rng = range(start.node, start.offset, end.offset, end.node); }
- catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible
- if (rng) {
- if (!gecko && cm.state.focused) {
- sel.collapse(start.node, start.offset);
- if (!rng.collapsed) {
- sel.removeAllRanges();
- sel.addRange(rng);
- }
- } else {
- sel.removeAllRanges();
- sel.addRange(rng);
- }
- if (old && sel.anchorNode == null) { sel.addRange(old); }
- else if (gecko) { this.startGracePeriod(); }
- }
- this.rememberSelection();
-};
-
-ContentEditableInput.prototype.startGracePeriod = function () {
- var this$1 = this;
-
- clearTimeout(this.gracePeriod);
- this.gracePeriod = setTimeout(function () {
- this$1.gracePeriod = false;
- if (this$1.selectionChanged())
- { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }
- }, 20);
-};
-
-ContentEditableInput.prototype.showMultipleSelections = function (info) {
- removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);
- removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);
-};
-
-ContentEditableInput.prototype.rememberSelection = function () {
- var sel = window.getSelection();
- this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;
- this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;
-};
-
-ContentEditableInput.prototype.selectionInEditor = function () {
- var sel = window.getSelection();
- if (!sel.rangeCount) { return false }
- var node = sel.getRangeAt(0).commonAncestorContainer;
- return contains(this.div, node)
-};
-
-ContentEditableInput.prototype.focus = function () {
- if (this.cm.options.readOnly != "nocursor") {
- if (!this.selectionInEditor())
- { this.showSelection(this.prepareSelection(), true); }
- this.div.focus();
- }
-};
-ContentEditableInput.prototype.blur = function () { this.div.blur(); };
-ContentEditableInput.prototype.getField = function () { return this.div };
-
-ContentEditableInput.prototype.supportsTouch = function () { return true };
+ function parseJS(state, style, type, content, stream) {
+ var cc = state.cc;
+ // Communicate our context to the combinators.
+ // (Less wasteful than consing up a hundred closures on every call.)
+ cx.state = state; cx.stream = stream; cx.marked = null, cx.cc = cc; cx.style = style;
-ContentEditableInput.prototype.receivedFocus = function () {
- var input = this;
- if (this.selectionInEditor())
- { this.pollSelection(); }
- else
- { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }
+ if (!state.lexical.hasOwnProperty("align"))
+ state.lexical.align = true;
- function poll() {
- if (input.cm.state.focused) {
- input.pollSelection();
- input.polling.set(input.cm.options.pollInterval, poll);
+ while(true) {
+ var combinator = cc.length ? cc.pop() : jsonMode ? expression : statement;
+ if (combinator(type, content)) {
+ while(cc.length && cc[cc.length - 1].lex)
+ cc.pop()();
+ if (cx.marked) return cx.marked;
+ if (type == "variable" && inScope(state, content)) return "variable-2";
+ return style;
+ }
}
}
- this.polling.set(this.cm.options.pollInterval, poll);
-};
-
-ContentEditableInput.prototype.selectionChanged = function () {
- var sel = window.getSelection();
- return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||
- sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset
-};
-
-ContentEditableInput.prototype.pollSelection = function () {
- if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }
- var sel = window.getSelection(), cm = this.cm;
- // On Android Chrome (version 56, at least), backspacing into an
- // uneditable block element will put the cursor in that element,
- // and then, because it's not editable, hide the virtual keyboard.
- // Because Android doesn't allow us to actually detect backspace
- // presses in a sane way, this code checks for when that happens
- // and simulates a backspace press in this case.
- if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {
- this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});
- this.blur();
- this.focus();
- return
- }
- if (this.composing) { return }
- this.rememberSelection();
- var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);
- var head = domToPos(cm, sel.focusNode, sel.focusOffset);
- if (anchor && head) { runInOp(cm, function () {
- setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);
- if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }
- }); }
-};
-
-ContentEditableInput.prototype.pollContent = function () {
- if (this.readDOMTimeout != null) {
- clearTimeout(this.readDOMTimeout);
- this.readDOMTimeout = null;
- }
-
- var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();
- var from = sel.from(), to = sel.to();
- if (from.ch == 0 && from.line > cm.firstLine())
- { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }
- if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())
- { to = Pos(to.line + 1, 0); }
- if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }
-
- var fromIndex, fromLine, fromNode;
- if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {
- fromLine = lineNo(display.view[0].line);
- fromNode = display.view[0].node;
- } else {
- fromLine = lineNo(display.view[fromIndex].line);
- fromNode = display.view[fromIndex - 1].node.nextSibling;
- }
- var toIndex = findViewIndex(cm, to.line);
- var toLine, toNode;
- if (toIndex == display.view.length - 1) {
- toLine = display.viewTo - 1;
- toNode = display.lineDiv.lastChild;
- } else {
- toLine = lineNo(display.view[toIndex + 1].line) - 1;
- toNode = display.view[toIndex + 1].node.previousSibling;
- }
-
- if (!fromNode) { return false }
- var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));
- var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));
- while (newText.length > 1 && oldText.length > 1) {
- if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }
- else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }
- else { break }
- }
-
- var cutFront = 0, cutEnd = 0;
- var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);
- while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))
- { ++cutFront; }
- var newBot = lst(newText), oldBot = lst(oldText);
- var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),
- oldBot.length - (oldText.length == 1 ? cutFront : 0));
- while (cutEnd < maxCutEnd &&
- newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))
- { ++cutEnd; }
- // Try to move start of change to start of selection if ambiguous
- if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {
- while (cutFront && cutFront > from.ch &&
- newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {
- cutFront--;
- cutEnd++;
- }
- }
-
- newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\u200b+/, "");
- newText[0] = newText[0].slice(cutFront).replace(/\u200b+$/, "");
-
- var chFrom = Pos(fromLine, cutFront);
- var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);
- if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {
- replaceRange(cm.doc, newText, chFrom, chTo, "+input");
- return true
- }
-};
-
-ContentEditableInput.prototype.ensurePolled = function () {
- this.forceCompositionEnd();
-};
-ContentEditableInput.prototype.reset = function () {
- this.forceCompositionEnd();
-};
-ContentEditableInput.prototype.forceCompositionEnd = function () {
- if (!this.composing) { return }
- clearTimeout(this.readDOMTimeout);
- this.composing = null;
- this.updateFromDOM();
- this.div.blur();
- this.div.focus();
-};
-ContentEditableInput.prototype.readFromDOMSoon = function () {
- var this$1 = this;
-
- if (this.readDOMTimeout != null) { return }
- this.readDOMTimeout = setTimeout(function () {
- this$1.readDOMTimeout = null;
- if (this$1.composing) {
- if (this$1.composing.done) { this$1.composing = null; }
- else { return }
- }
- this$1.updateFromDOM();
- }, 80);
-};
-
-ContentEditableInput.prototype.updateFromDOM = function () {
- var this$1 = this;
-
- if (this.cm.isReadOnly() || !this.pollContent())
- { runInOp(this.cm, function () { return regChange(this$1.cm); }); }
-};
-
-ContentEditableInput.prototype.setUneditable = function (node) {
- node.contentEditable = "false";
-};
-
-ContentEditableInput.prototype.onKeyPress = function (e) {
- if (e.charCode == 0) { return }
- e.preventDefault();
- if (!this.cm.isReadOnly())
- { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }
-};
-
-ContentEditableInput.prototype.readOnlyChanged = function (val) {
- this.div.contentEditable = String(val != "nocursor");
-};
-
-ContentEditableInput.prototype.onContextMenu = function () {};
-ContentEditableInput.prototype.resetPosition = function () {};
-ContentEditableInput.prototype.needsContentAttribute = true;
-
-function posToDOM(cm, pos) {
- var view = findViewForLine(cm, pos.line);
- if (!view || view.hidden) { return null }
- var line = getLine(cm.doc, pos.line);
- var info = mapFromLineView(view, line, pos.line);
+ // Combinator utils
- var order = getOrder(line, cm.doc.direction), side = "left";
- if (order) {
- var partPos = getBidiPartAt(order, pos.ch);
- side = partPos % 2 ? "right" : "left";
+ var cx = {state: null, column: null, marked: null, cc: null};
+ function pass() {
+ for (var i = arguments.length - 1; i >= 0; i--) cx.cc.push(arguments[i]);
}
- var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);
- result.offset = result.collapse == "right" ? result.end : result.start;
- return result
-}
-
-function isInGutter(node) {
- for (var scan = node; scan; scan = scan.parentNode)
- { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }
- return false
-}
-
-function badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }
-
-function domTextBetween(cm, from, to, fromLine, toLine) {
- var text = "", closing = false, lineSep = cm.doc.lineSeparator();
- function recognizeMarker(id) { return function (marker) { return marker.id == id; } }
- function close() {
- if (closing) {
- text += lineSep;
- closing = false;
- }
+ function cont() {
+ pass.apply(null, arguments);
+ return true;
}
- function addText(str) {
- if (str) {
- close();
- text += str;
- }
+ function inList(name, list) {
+ for (var v = list; v; v = v.next) if (v.name == name) return true
+ return false;
}
- function walk(node) {
- if (node.nodeType == 1) {
- var cmText = node.getAttribute("cm-text");
- if (cmText != null) {
- addText(cmText || node.textContent.replace(/\u200b/g, ""));
- return
- }
- var markerID = node.getAttribute("cm-marker"), range$$1;
- if (markerID) {
- var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));
- if (found.length && (range$$1 = found[0].find(0)))
- { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }
+ function register(varname) {
+ var state = cx.state;
+ cx.marked = "def";
+ if (state.context) {
+ if (state.lexical.info == "var" && state.context && state.context.block) {
+ // FIXME function decls are also not block scoped
+ var newContext = registerVarScoped(varname, state.context)
+ if (newContext != null) {
+ state.context = newContext
+ return
+ }
+ } else if (!inList(varname, state.localVars)) {
+ state.localVars = new Var(varname, state.localVars)
return
}
- if (node.getAttribute("contenteditable") == "false") { return }
- var isBlock = /^(pre|div|p)$/i.test(node.nodeName);
- if (isBlock) { close(); }
- for (var i = 0; i < node.childNodes.length; i++)
- { walk(node.childNodes[i]); }
- if (isBlock) { closing = true; }
- } else if (node.nodeType == 3) {
- addText(node.nodeValue);
+ }
+ // Fall through means this is global
+ if (parserConfig.globalVars && !inList(varname, state.globalVars))
+ state.globalVars = new Var(varname, state.globalVars)
+ }
+ function registerVarScoped(varname, context) {
+ if (!context) {
+ return null
+ } else if (context.block) {
+ var inner = registerVarScoped(varname, context.prev)
+ if (!inner) return null
+ if (inner == context.prev) return context
+ return new Context(inner, context.vars, true)
+ } else if (inList(varname, context.vars)) {
+ return context
+ } else {
+ return new Context(context.prev, new Var(varname, context.vars), false)
}
}
- for (;;) {
- walk(from);
- if (from == to) { break }
- from = from.nextSibling;
+
+ function isModifier(name) {
+ return name == "public" || name == "private" || name == "protected" || name == "abstract" || name == "readonly"
}
- return text
-}
-function domToPos(cm, node, offset) {
- var lineNode;
- if (node == cm.display.lineDiv) {
- lineNode = cm.display.lineDiv.childNodes[offset];
- if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }
- node = null; offset = 0;
- } else {
- for (lineNode = node;; lineNode = lineNode.parentNode) {
- if (!lineNode || lineNode == cm.display.lineDiv) { return null }
- if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }
- }
+ // Combinators
+
+ function Context(prev, vars, block) { this.prev = prev; this.vars = vars; this.block = block }
+ function Var(name, next) { this.name = name; this.next = next }
+
+ var defaultVars = new Var("this", new Var("arguments", null))
+ function pushcontext() {
+ cx.state.context = new Context(cx.state.context, cx.state.localVars, false)
+ cx.state.localVars = defaultVars
}
- for (var i = 0; i < cm.display.view.length; i++) {
- var lineView = cm.display.view[i];
- if (lineView.node == lineNode)
- { return locateNodeInLineView(lineView, node, offset) }
+ function pushblockcontext() {
+ cx.state.context = new Context(cx.state.context, cx.state.localVars, true)
+ cx.state.localVars = null
}
-}
-
-function locateNodeInLineView(lineView, node, offset) {
- var wrapper = lineView.text.firstChild, bad = false;
- if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }
- if (node == wrapper) {
- bad = true;
- node = wrapper.childNodes[offset];
- offset = 0;
- if (!node) {
- var line = lineView.rest ? lst(lineView.rest) : lineView.line;
- return badPos(Pos(lineNo(line), line.text.length), bad)
- }
+ function popcontext() {
+ cx.state.localVars = cx.state.context.vars
+ cx.state.context = cx.state.context.prev
}
-
- var textNode = node.nodeType == 3 ? node : null, topNode = node;
- if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {
- textNode = node.firstChild;
- if (offset) { offset = textNode.nodeValue.length; }
+ popcontext.lex = true
+ function pushlex(type, info) {
+ var result = function() {
+ var state = cx.state, indent = state.indented;
+ if (state.lexical.type == "stat") indent = state.lexical.indented;
+ else for (var outer = state.lexical; outer && outer.type == ")" && outer.align; outer = outer.prev)
+ indent = outer.indented;
+ state.lexical = new JSLexical(indent, cx.stream.column(), type, null, state.lexical, info);
+ };
+ result.lex = true;
+ return result;
}
- while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }
- var measure = lineView.measure, maps = measure.maps;
-
- function find(textNode, topNode, offset) {
- for (var i = -1; i < (maps ? maps.length : 0); i++) {
- var map$$1 = i < 0 ? measure.map : maps[i];
- for (var j = 0; j < map$$1.length; j += 3) {
- var curNode = map$$1[j + 2];
- if (curNode == textNode || curNode == topNode) {
- var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);
- var ch = map$$1[j] + offset;
- if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }
- return Pos(line, ch)
- }
- }
+ function poplex() {
+ var state = cx.state;
+ if (state.lexical.prev) {
+ if (state.lexical.type == ")")
+ state.indented = state.lexical.indented;
+ state.lexical = state.lexical.prev;
}
}
- var found = find(textNode, topNode, offset);
- if (found) { return badPos(found, bad) }
+ poplex.lex = true;
- // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems
- for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {
- found = find(after, after.firstChild, 0);
- if (found)
- { return badPos(Pos(found.line, found.ch - dist), bad) }
- else
- { dist += after.textContent.length; }
- }
- for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {
- found = find(before, before.firstChild, -1);
- if (found)
- { return badPos(Pos(found.line, found.ch + dist$1), bad) }
- else
- { dist$1 += before.textContent.length; }
+ function expect(wanted) {
+ function exp(type) {
+ if (type == wanted) return cont();
+ else if (wanted == ";" || type == "}" || type == ")" || type == "]") return pass();
+ else return cont(exp);
+ };
+ return exp;
}
-}
-
-// TEXTAREA INPUT STYLE
-
-var TextareaInput = function(cm) {
- this.cm = cm;
- // See input.poll and input.reset
- this.prevInput = "";
-
- // Flag that indicates whether we expect input to appear real soon
- // now (after some event like 'keypress' or 'input') and are
- // polling intensively.
- this.pollingFast = false;
- // Self-resetting timeout for the poller
- this.polling = new Delayed();
- // Used to work around IE issue with selection being forgotten when focus moves away from textarea
- this.hasSelection = false;
- this.composing = null;
-};
-
-TextareaInput.prototype.init = function (display) {
- var this$1 = this;
-
- var input = this, cm = this.cm;
-
- // Wraps and hides input textarea
- var div = this.wrapper = hiddenTextarea();
- // The semihidden textarea that is focused when the editor is
- // focused, and receives input.
- var te = this.textarea = div.firstChild;
- display.wrapper.insertBefore(div, display.wrapper.firstChild);
-
- // Needed to hide big blue blinking cursor on Mobile Safari (doesn't seem to work in iOS 8 anymore)
- if (ios) { te.style.width = "0px"; }
-
- on(te, "input", function () {
- if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }
- input.poll();
- });
- on(te, "paste", function (e) {
- if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }
-
- cm.state.pasteIncoming = true;
- input.fastPoll();
- });
-
- function prepareCopyCut(e) {
- if (signalDOMEvent(cm, e)) { return }
- if (cm.somethingSelected()) {
- setLastCopied({lineWise: false, text: cm.getSelections()});
- } else if (!cm.options.lineWiseCopyCut) {
- return
- } else {
- var ranges = copyableRanges(cm);
- setLastCopied({lineWise: true, text: ranges.text});
- if (e.type == "cut") {
- cm.setSelections(ranges.ranges, null, sel_dontScroll);
+ function statement(type, value) {
+ if (type == "var") return cont(pushlex("vardef", value), vardef, expect(";"), poplex);
+ if (type == "keyword a") return cont(pushlex("form"), parenExpr, statement, poplex);
+ if (type == "keyword b") return cont(pushlex("form"), statement, poplex);
+ if (type == "keyword d") return cx.stream.match(/^\s*$/, false) ? cont() : cont(pushlex("stat"), maybeexpression, expect(";"), poplex);
+ if (type == "debugger") return cont(expect(";"));
+ if (type == "{") return cont(pushlex("}"), pushblockcontext, block, poplex, popcontext);
+ if (type == ";") return cont();
+ if (type == "if") {
+ if (cx.state.lexical.info == "else" && cx.state.cc[cx.state.cc.length - 1] == poplex)
+ cx.state.cc.pop()();
+ return cont(pushlex("form"), parenExpr, statement, poplex, maybeelse);
+ }
+ if (type == "function") return cont(functiondef);
+ if (type == "for") return cont(pushlex("form"), forspec, statement, poplex);
+ if (type == "class" || (isTS && value == "interface")) {
+ cx.marked = "keyword"
+ return cont(pushlex("form", type == "class" ? type : value), className, poplex)
+ }
+ if (type == "variable") {
+ if (isTS && value == "declare") {
+ cx.marked = "keyword"
+ return cont(statement)
+ } else if (isTS && (value == "module" || value == "enum" || value == "type") && cx.stream.match(/^\s*\w/, false)) {
+ cx.marked = "keyword"
+ if (value == "enum") return cont(enumdef);
+ else if (value == "type") return cont(typename, expect("operator"), typeexpr, expect(";"));
+ else return cont(pushlex("form"), pattern, expect("{"), pushlex("}"), block, poplex, poplex)
+ } else if (isTS && value == "namespace") {
+ cx.marked = "keyword"
+ return cont(pushlex("form"), expression, statement, poplex)
+ } else if (isTS && value == "abstract") {
+ cx.marked = "keyword"
+ return cont(statement)
} else {
- input.prevInput = "";
- te.value = ranges.text.join("\n");
- selectInput(te);
+ return cont(pushlex("stat"), maybelabel);
}
}
- if (e.type == "cut") { cm.state.cutIncoming = true; }
+ if (type == "switch") return cont(pushlex("form"), parenExpr, expect("{"), pushlex("}", "switch"), pushblockcontext,
+ block, poplex, poplex, popcontext);
+ if (type == "case") return cont(expression, expect(":"));
+ if (type == "default") return cont(expect(":"));
+ if (type == "catch") return cont(pushlex("form"), pushcontext, maybeCatchBinding, statement, poplex, popcontext);
+ if (type == "export") return cont(pushlex("stat"), afterExport, poplex);
+ if (type == "import") return cont(pushlex("stat"), afterImport, poplex);
+ if (type == "async") return cont(statement)
+ if (value == "@") return cont(expression, statement)
+ return pass(pushlex("stat"), expression, expect(";"), poplex);
}
- on(te, "cut", prepareCopyCut);
- on(te, "copy", prepareCopyCut);
-
- on(display.scroller, "paste", function (e) {
- if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }
- cm.state.pasteIncoming = true;
- input.focus();
- });
-
- // Prevent normal selection in the editor (we handle our own)
- on(display.lineSpace, "selectstart", function (e) {
- if (!eventInWidget(display, e)) { e_preventDefault(e); }
- });
-
- on(te, "compositionstart", function () {
- var start = cm.getCursor("from");
- if (input.composing) { input.composing.range.clear(); }
- input.composing = {
- start: start,
- range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})
- };
- });
- on(te, "compositionend", function () {
- if (input.composing) {
- input.poll();
- input.composing.range.clear();
- input.composing = null;
- }
- });
-};
-
-TextareaInput.prototype.prepareSelection = function () {
- // Redraw the selection and/or cursor
- var cm = this.cm, display = cm.display, doc = cm.doc;
- var result = prepareSelection(cm);
-
- // Move the hidden textarea near the cursor to prevent scrolling artifacts
- if (cm.options.moveInputWithCursor) {
- var headPos = cursorCoords(cm, doc.sel.primary().head, "div");
- var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();
- result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,
- headPos.top + lineOff.top - wrapOff.top));
- result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,
- headPos.left + lineOff.left - wrapOff.left));
+ function maybeCatchBinding(type) {
+ if (type == "(") return cont(funarg, expect(")"))
}
-
- return result
-};
-
-TextareaInput.prototype.showSelection = function (drawn) {
- var cm = this.cm, display = cm.display;
- removeChildrenAndAdd(display.cursorDiv, drawn.cursors);
- removeChildrenAndAdd(display.selectionDiv, drawn.selection);
- if (drawn.teTop != null) {
- this.wrapper.style.top = drawn.teTop + "px";
- this.wrapper.style.left = drawn.teLeft + "px";
+ function expression(type, value) {
+ return expressionInner(type, value, false);
}
-};
-
-// Reset the input to correspond to the selection (or to be empty,
-// when not typing and nothing is selected)
-TextareaInput.prototype.reset = function (typing) {
- if (this.contextMenuPending || this.composing) { return }
- var cm = this.cm;
- if (cm.somethingSelected()) {
- this.prevInput = "";
- var content = cm.getSelection();
- this.textarea.value = content;
- if (cm.state.focused) { selectInput(this.textarea); }
- if (ie && ie_version >= 9) { this.hasSelection = content; }
- } else if (!typing) {
- this.prevInput = this.textarea.value = "";
- if (ie && ie_version >= 9) { this.hasSelection = null; }
+ function expressionNoComma(type, value) {
+ return expressionInner(type, value, true);
}
-};
-
-TextareaInput.prototype.getField = function () { return this.textarea };
-
-TextareaInput.prototype.supportsTouch = function () { return false };
-
-TextareaInput.prototype.focus = function () {
- if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {
- try { this.textarea.focus(); }
- catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM
+ function parenExpr(type) {
+ if (type != "(") return pass()
+ return cont(pushlex(")"), expression, expect(")"), poplex)
}
-};
-
-TextareaInput.prototype.blur = function () { this.textarea.blur(); };
-
-TextareaInput.prototype.resetPosition = function () {
- this.wrapper.style.top = this.wrapper.style.left = 0;
-};
-
-TextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };
-
-// Poll for input changes, using the normal rate of polling. This
-// runs as long as the editor is focused.
-TextareaInput.prototype.slowPoll = function () {
- var this$1 = this;
-
- if (this.pollingFast) { return }
- this.polling.set(this.cm.options.pollInterval, function () {
- this$1.poll();
- if (this$1.cm.state.focused) { this$1.slowPoll(); }
- });
-};
-
-// When an event has just come in that is likely to add or change
-// something in the input textarea, we poll faster, to ensure that
-// the change appears on the screen quickly.
-TextareaInput.prototype.fastPoll = function () {
- var missed = false, input = this;
- input.pollingFast = true;
- function p() {
- var changed = input.poll();
- if (!changed && !missed) {missed = true; input.polling.set(60, p);}
- else {input.pollingFast = false; input.slowPoll();}
- }
- input.polling.set(20, p);
-};
-
-// Read input from the textarea, and update the document to match.
-// When something is selected, it is present in the textarea, and
-// selected (unless it is huge, in which case a placeholder is
-// used). When nothing is selected, the cursor sits after previously
-// seen text (can be empty), which is stored in prevInput (we must
-// not reset the textarea when typing, because that breaks IME).
-TextareaInput.prototype.poll = function () {
- var this$1 = this;
+ function expressionInner(type, value, noComma) {
+ if (cx.state.fatArrowAt == cx.stream.start) {
+ var body = noComma ? arrowBodyNoComma : arrowBody;
+ if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, expect("=>"), body, popcontext);
+ else if (type == "variable") return pass(pushcontext, pattern, expect("=>"), body, popcontext);
+ }
- var cm = this.cm, input = this.textarea, prevInput = this.prevInput;
- // Since this is called a *lot*, try to bail out as cheaply as
- // possible when it is clear that nothing happened. hasSelection
- // will be the case when there is a lot of text in the textarea,
- // in which case reading its value would be expensive.
- if (this.contextMenuPending || !cm.state.focused ||
- (hasSelection(input) && !prevInput && !this.composing) ||
- cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)
- { return false }
-
- var text = input.value;
- // If nothing changed, bail.
- if (text == prevInput && !cm.somethingSelected()) { return false }
- // Work around nonsensical selection resetting in IE9/10, and
- // inexplicable appearance of private area unicode characters on
- // some key combos in Mac (#2689).
- if (ie && ie_version >= 9 && this.hasSelection === text ||
- mac && /[\uf700-\uf7ff]/.test(text)) {
- cm.display.input.reset();
- return false
+ var maybeop = noComma ? maybeoperatorNoComma : maybeoperatorComma;
+ if (atomicTypes.hasOwnProperty(type)) return cont(maybeop);
+ if (type == "function") return cont(functiondef, maybeop);
+ if (type == "class" || (isTS && value == "interface")) { cx.marked = "keyword"; return cont(pushlex("form"), classExpression, poplex); }
+ if (type == "keyword c" || type == "async") return cont(noComma ? expressionNoComma : expression);
+ if (type == "(") return cont(pushlex(")"), maybeexpression, expect(")"), poplex, maybeop);
+ if (type == "operator" || type == "spread") return cont(noComma ? expressionNoComma : expression);
+ if (type == "[") return cont(pushlex("]"), arrayLiteral, poplex, maybeop);
+ if (type == "{") return contCommasep(objprop, "}", null, maybeop);
+ if (type == "quasi") return pass(quasi, maybeop);
+ if (type == "new") return cont(maybeTarget(noComma));
+ if (type == "import") return cont(expression);
+ return cont();
}
-
- if (cm.doc.sel == cm.display.selForContextMenu) {
- var first = text.charCodeAt(0);
- if (first == 0x200b && !prevInput) { prevInput = "\u200b"; }
- if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }
+ function maybeexpression(type) {
+ if (type.match(/[;\}\)\],]/)) return pass();
+ return pass(expression);
}
- // Find the part of the input that is actually new
- var same = 0, l = Math.min(prevInput.length, text.length);
- while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }
-
- runInOp(cm, function () {
- applyTextInput(cm, text.slice(same), prevInput.length - same,
- null, this$1.composing ? "*compose" : null);
-
- // Don't leave long text in the textarea, since it makes further polling slow
- if (text.length > 1000 || text.indexOf("\n") > -1) { input.value = this$1.prevInput = ""; }
- else { this$1.prevInput = text; }
-
- if (this$1.composing) {
- this$1.composing.range.clear();
- this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),
- {className: "CodeMirror-composing"});
- }
- });
- return true
-};
-TextareaInput.prototype.ensurePolled = function () {
- if (this.pollingFast && this.poll()) { this.pollingFast = false; }
-};
-
-TextareaInput.prototype.onKeyPress = function () {
- if (ie && ie_version >= 9) { this.hasSelection = null; }
- this.fastPoll();
-};
-
-TextareaInput.prototype.onContextMenu = function (e) {
- var input = this, cm = input.cm, display = cm.display, te = input.textarea;
- var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;
- if (!pos || presto) { return } // Opera is difficult.
-
- // Reset the current text selection only if the click is done outside of the selection
- // and 'resetSelectionOnContextMenu' option is true.
- var reset = cm.options.resetSelectionOnContextMenu;
- if (reset && cm.doc.sel.contains(pos) == -1)
- { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }
-
- var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;
- input.wrapper.style.cssText = "position: absolute";
- var wrapperBox = input.wrapper.getBoundingClientRect();
- te.style.cssText = "position: absolute; width: 30px; height: 30px;\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";
- var oldScrollY;
- if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)
- display.input.focus();
- if (webkit) { window.scrollTo(null, oldScrollY); }
- display.input.reset();
- // Adds "Select all" to context menu in FF
- if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }
- input.contextMenuPending = true;
- display.selForContextMenu = cm.doc.sel;
- clearTimeout(display.detectingSelectAll);
-
- // Select-all will be greyed out if there's nothing to select, so
- // this adds a zero-width space so that we can later check whether
- // it got selected.
- function prepareSelectAllHack() {
- if (te.selectionStart != null) {
- var selected = cm.somethingSelected();
- var extval = "\u200b" + (selected ? te.value : "");
- te.value = "\u21da"; // Used to catch context-menu undo
- te.value = extval;
- input.prevInput = selected ? "" : "\u200b";
- te.selectionStart = 1; te.selectionEnd = extval.length;
- // Re-set this, in case some other handler touched the
- // selection in the meantime.
- display.selForContextMenu = cm.doc.sel;
- }
- }
- function rehide() {
- input.contextMenuPending = false;
- input.wrapper.style.cssText = oldWrapperCSS;
- te.style.cssText = oldCSS;
- if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }
-
- // Try to detect the user choosing select-all
- if (te.selectionStart != null) {
- if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }
- var i = 0, poll = function () {
- if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&
- te.selectionEnd > 0 && input.prevInput == "\u200b") {
- operation(cm, selectAll)(cm);
- } else if (i++ < 10) {
- display.detectingSelectAll = setTimeout(poll, 500);
- } else {
- display.selForContextMenu = null;
- display.input.reset();
- }
- };
- display.detectingSelectAll = setTimeout(poll, 200);
+ function maybeoperatorComma(type, value) {
+ if (type == ",") return cont(expression);
+ return maybeoperatorNoComma(type, value, false);
+ }
+ function maybeoperatorNoComma(type, value, noComma) {
+ var me = noComma == false ? maybeoperatorComma : maybeoperatorNoComma;
+ var expr = noComma == false ? expression : expressionNoComma;
+ if (type == "=>") return cont(pushcontext, noComma ? arrowBodyNoComma : arrowBody, popcontext);
+ if (type == "operator") {
+ if (/\+\+|--/.test(value) || isTS && value == "!") return cont(me);
+ if (isTS && value == "<" && cx.stream.match(/^([^>]|<.*?>)*>\s*\(/, false))
+ return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, me);
+ if (value == "?") return cont(expression, expect(":"), expr);
+ return cont(expr);
+ }
+ if (type == "quasi") { return pass(quasi, me); }
+ if (type == ";") return;
+ if (type == "(") return contCommasep(expressionNoComma, ")", "call", me);
+ if (type == ".") return cont(property, me);
+ if (type == "[") return cont(pushlex("]"), maybeexpression, expect("]"), poplex, me);
+ if (isTS && value == "as") { cx.marked = "keyword"; return cont(typeexpr, me) }
+ if (type == "regexp") {
+ cx.state.lastType = cx.marked = "operator"
+ cx.stream.backUp(cx.stream.pos - cx.stream.start - 1)
+ return cont(expr)
}
}
-
- if (ie && ie_version >= 9) { prepareSelectAllHack(); }
- if (captureRightClick) {
- e_stop(e);
- var mouseup = function () {
- off(window, "mouseup", mouseup);
- setTimeout(rehide, 20);
+ function quasi(type, value) {
+ if (type != "quasi") return pass();
+ if (value.slice(value.length - 2) != "${") return cont(quasi);
+ return cont(expression, continueQuasi);
+ }
+ function continueQuasi(type) {
+ if (type == "}") {
+ cx.marked = "string-2";
+ cx.state.tokenize = tokenQuasi;
+ return cont(quasi);
+ }
+ }
+ function arrowBody(type) {
+ findFatArrow(cx.stream, cx.state);
+ return pass(type == "{" ? statement : expression);
+ }
+ function arrowBodyNoComma(type) {
+ findFatArrow(cx.stream, cx.state);
+ return pass(type == "{" ? statement : expressionNoComma);
+ }
+ function maybeTarget(noComma) {
+ return function(type) {
+ if (type == ".") return cont(noComma ? targetNoComma : target);
+ else if (type == "variable" && isTS) return cont(maybeTypeArgs, noComma ? maybeoperatorNoComma : maybeoperatorComma)
+ else return pass(noComma ? expressionNoComma : expression);
};
- on(window, "mouseup", mouseup);
- } else {
- setTimeout(rehide, 50);
}
-};
-
-TextareaInput.prototype.readOnlyChanged = function (val) {
- if (!val) { this.reset(); }
- this.textarea.disabled = val == "nocursor";
-};
-
-TextareaInput.prototype.setUneditable = function () {};
-
-TextareaInput.prototype.needsContentAttribute = false;
-
-function fromTextArea(textarea, options) {
- options = options ? copyObj(options) : {};
- options.value = textarea.value;
- if (!options.tabindex && textarea.tabIndex)
- { options.tabindex = textarea.tabIndex; }
- if (!options.placeholder && textarea.placeholder)
- { options.placeholder = textarea.placeholder; }
- // Set autofocus to true if this textarea is focused, or if it has
- // autofocus and no other element is focused.
- if (options.autofocus == null) {
- var hasFocus = activeElt();
- options.autofocus = hasFocus == textarea ||
- textarea.getAttribute("autofocus") != null && hasFocus == document.body;
- }
-
- function save() {textarea.value = cm.getValue();}
-
- var realSubmit;
- if (textarea.form) {
- on(textarea.form, "submit", save);
- // Deplorable hack to make the submit method do the right thing.
- if (!options.leaveSubmitMethodAlone) {
- var form = textarea.form;
- realSubmit = form.submit;
- try {
- var wrappedSubmit = form.submit = function () {
- save();
- form.submit = realSubmit;
- form.submit();
- form.submit = wrappedSubmit;
- };
- } catch(e) {}
+ function target(_, value) {
+ if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorComma); }
+ }
+ function targetNoComma(_, value) {
+ if (value == "target") { cx.marked = "keyword"; return cont(maybeoperatorNoComma); }
+ }
+ function maybelabel(type) {
+ if (type == ":") return cont(poplex, statement);
+ return pass(maybeoperatorComma, expect(";"), poplex);
+ }
+ function property(type) {
+ if (type == "variable") {cx.marked = "property"; return cont();}
+ }
+ function objprop(type, value) {
+ if (type == "async") {
+ cx.marked = "property";
+ return cont(objprop);
+ } else if (type == "variable" || cx.style == "keyword") {
+ cx.marked = "property";
+ if (value == "get" || value == "set") return cont(getterSetter);
+ var m // Work around fat-arrow-detection complication for detecting typescript typed arrow params
+ if (isTS && cx.state.fatArrowAt == cx.stream.start && (m = cx.stream.match(/^\s*:\s*/, false)))
+ cx.state.fatArrowAt = cx.stream.pos + m[0].length
+ return cont(afterprop);
+ } else if (type == "number" || type == "string") {
+ cx.marked = jsonldMode ? "property" : (cx.style + " property");
+ return cont(afterprop);
+ } else if (type == "jsonld-keyword") {
+ return cont(afterprop);
+ } else if (isTS && isModifier(value)) {
+ cx.marked = "keyword"
+ return cont(objprop)
+ } else if (type == "[") {
+ return cont(expression, maybetype, expect("]"), afterprop);
+ } else if (type == "spread") {
+ return cont(expressionNoComma, afterprop);
+ } else if (value == "*") {
+ cx.marked = "keyword";
+ return cont(objprop);
+ } else if (type == ":") {
+ return pass(afterprop)
}
}
-
- options.finishInit = function (cm) {
- cm.save = save;
- cm.getTextArea = function () { return textarea; };
- cm.toTextArea = function () {
- cm.toTextArea = isNaN; // Prevent this from being ran twice
- save();
- textarea.parentNode.removeChild(cm.getWrapperElement());
- textarea.style.display = "";
- if (textarea.form) {
- off(textarea.form, "submit", save);
- if (typeof textarea.form.submit == "function")
- { textarea.form.submit = realSubmit; }
+ function getterSetter(type) {
+ if (type != "variable") return pass(afterprop);
+ cx.marked = "property";
+ return cont(functiondef);
+ }
+ function afterprop(type) {
+ if (type == ":") return cont(expressionNoComma);
+ if (type == "(") return pass(functiondef);
+ }
+ function commasep(what, end, sep) {
+ function proceed(type, value) {
+ if (sep ? sep.indexOf(type) > -1 : type == ",") {
+ var lex = cx.state.lexical;
+ if (lex.info == "call") lex.pos = (lex.pos || 0) + 1;
+ return cont(function(type, value) {
+ if (type == end || value == end) return pass()
+ return pass(what)
+ }, proceed);
}
+ if (type == end || value == end) return cont();
+ if (sep && sep.indexOf(";") > -1) return pass(what)
+ return cont(expect(end));
+ }
+ return function(type, value) {
+ if (type == end || value == end) return cont();
+ return pass(what, proceed);
};
- };
-
- textarea.style.display = "none";
- var cm = CodeMirror$1(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },
- options);
- return cm
-}
-
-function addLegacyProps(CodeMirror) {
- CodeMirror.off = off;
- CodeMirror.on = on;
- CodeMirror.wheelEventPixels = wheelEventPixels;
- CodeMirror.Doc = Doc;
- CodeMirror.splitLines = splitLinesAuto;
- CodeMirror.countColumn = countColumn;
- CodeMirror.findColumn = findColumn;
- CodeMirror.isWordChar = isWordCharBasic;
- CodeMirror.Pass = Pass;
- CodeMirror.signal = signal;
- CodeMirror.Line = Line;
- CodeMirror.changeEnd = changeEnd;
- CodeMirror.scrollbarModel = scrollbarModel;
- CodeMirror.Pos = Pos;
- CodeMirror.cmpPos = cmp;
- CodeMirror.modes = modes;
- CodeMirror.mimeModes = mimeModes;
- CodeMirror.resolveMode = resolveMode;
- CodeMirror.getMode = getMode;
- CodeMirror.modeExtensions = modeExtensions;
- CodeMirror.extendMode = extendMode;
- CodeMirror.copyState = copyState;
- CodeMirror.startState = startState;
- CodeMirror.innerMode = innerMode;
- CodeMirror.commands = commands;
- CodeMirror.keyMap = keyMap;
- CodeMirror.keyName = keyName;
- CodeMirror.isModifierKey = isModifierKey;
- CodeMirror.lookupKey = lookupKey;
- CodeMirror.normalizeKeyMap = normalizeKeyMap;
- CodeMirror.StringStream = StringStream;
- CodeMirror.SharedTextMarker = SharedTextMarker;
- CodeMirror.TextMarker = TextMarker;
- CodeMirror.LineWidget = LineWidget;
- CodeMirror.e_preventDefault = e_preventDefault;
- CodeMirror.e_stopPropagation = e_stopPropagation;
- CodeMirror.e_stop = e_stop;
- CodeMirror.addClass = addClass;
- CodeMirror.contains = contains;
- CodeMirror.rmClass = rmClass;
- CodeMirror.keyNames = keyNames;
-}
-
-// EDITOR CONSTRUCTOR
-
-defineOptions(CodeMirror$1);
-
-addEditorMethods(CodeMirror$1);
-
-// Set up methods on CodeMirror's prototype to redirect to the editor's document.
-var dontDelegate = "iter insert remove copy getEditor constructor".split(" ");
-for (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)
- { CodeMirror$1.prototype[prop] = (function(method) {
- return function() {return method.apply(this.doc, arguments)}
- })(Doc.prototype[prop]); } }
-
-eventMixin(Doc);
-
-// INPUT HANDLING
-
-CodeMirror$1.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};
-
-// MODE DEFINITION AND QUERYING
-
-// Extra arguments are stored as the mode's dependencies, which is
-// used by (legacy) mechanisms like loadmode.js to automatically
-// load a mode. (Preferred mechanism is the require/define calls.)
-CodeMirror$1.defineMode = function(name/*, mode, …*/) {
- if (!CodeMirror$1.defaults.mode && name != "null") { CodeMirror$1.defaults.mode = name; }
- defineMode.apply(this, arguments);
-};
-
-CodeMirror$1.defineMIME = defineMIME;
-
-// Minimal default mode.
-CodeMirror$1.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });
-CodeMirror$1.defineMIME("text/plain", "null");
-
-// EXTENSIONS
-
-CodeMirror$1.defineExtension = function (name, func) {
- CodeMirror$1.prototype[name] = func;
-};
-CodeMirror$1.defineDocExtension = function (name, func) {
- Doc.prototype[name] = func;
-};
-
-CodeMirror$1.fromTextArea = fromTextArea;
-
-addLegacyProps(CodeMirror$1);
-
-CodeMirror$1.version = "5.31.0";
-
-return CodeMirror$1;
-
-})));
-
-
-/***/ }),
-/* 7 */
-/***/ (function(module, exports, __webpack_require__) {
-
-"use strict";
-
-
-var Backbone = __webpack_require__(0);
-
-var TYPE_CLASS = 1;
-var TYPE_ID = 2;
-
-var Selector = Backbone.Model.extend({
-
- idAttribute: 'name',
-
- defaults: {
- name: '',
-
- label: '',
-
- // Type of the selector
- type: TYPE_CLASS,
-
- // If not active it's not selectable by the style manager (uncheckboxed)
- active: true,
-
- // Can't be seen by the style manager, therefore even by the user
- // Will be rendered only in export code
- private: false,
-
- // If true, can't be removed from the attacched element
- protected: false
- },
-
- initialize: function initialize() {
- var name = this.get('name');
- var label = this.get('label');
-
- if (!name) {
- this.set('name', label);
- } else if (!label) {
- this.set('label', name);
+ }
+ function contCommasep(what, end, info) {
+ for (var i = 3; i < arguments.length; i++)
+ cx.cc.push(arguments[i]);
+ return cont(pushlex(end, info), commasep(what, end), poplex);
+ }
+ function block(type) {
+ if (type == "}") return cont();
+ return pass(statement, block);
+ }
+ function maybetype(type, value) {
+ if (isTS) {
+ if (type == ":") return cont(typeexpr);
+ if (value == "?") return cont(maybetype);
}
-
- this.set('name', Selector.escapeName(this.get('name')));
- },
-
-
- /**
- * Get full selector name
- * @return {string}
- */
- getFullName: function getFullName() {
- var init = '';
-
- switch (this.get('type')) {
- case TYPE_CLASS:
- init = '.';
- break;
- case TYPE_ID:
- init = '#';
- break;
+ }
+ function maybetypeOrIn(type, value) {
+ if (isTS && (type == ":" || value == "in")) return cont(typeexpr)
+ }
+ function mayberettype(type) {
+ if (isTS && type == ":") {
+ if (cx.stream.match(/^\s*\w+\s+is\b/, false)) return cont(expression, isKW, typeexpr)
+ else return cont(typeexpr)
}
-
- return init + this.get('name');
}
-}, {
- // All type selectors: https://developer.mozilla.org/it/docs/Web/CSS/CSS_Selectors
- // Here I define only what I need
- TYPE_CLASS: TYPE_CLASS,
-
- TYPE_ID: TYPE_ID,
-
- /**
- * Escape string
- * @param {string} name
- * @return {string}
- * @private
- */
- escapeName: function escapeName(name) {
- return ('' + name).trim().replace(/([^a-z0-9\w-]+)/gi, '-');
+ function isKW(_, value) {
+ if (value == "is") {
+ cx.marked = "keyword"
+ return cont()
+ }
}
-});
-
-module.exports = Selector;
-
-/***/ }),
-/* 8 */
-/***/ (function(module, exports, __webpack_require__) {
-
-"use strict";
-
-
-var _underscore = __webpack_require__(1);
-
-var Backbone = __webpack_require__(0);
-var $ = Backbone.$;
-
-module.exports = Backbone.View.extend({
-
- events: {
- 'change': 'onChange'
- },
-
- attributes: function attributes() {
- return this.model.get('attributes');
- },
- initialize: function initialize(o) {
- var model = this.model;
- var name = model.get('name');
- var target = model.target;
- this.config = o.config || {};
- this.pfx = this.config.stylePrefix || '';
- this.ppfx = this.config.pStylePrefix || '';
- this.target = target;
- this.className = this.pfx + 'trait';
- this.labelClass = this.ppfx + 'label';
- this.fieldClass = this.ppfx + 'field ' + this.ppfx + 'field-' + model.get('type');
- this.inputhClass = this.ppfx + 'input-holder';
- model.off('change:value', this.onValueChange);
- this.listenTo(model, 'change:value', this.onValueChange);
- this.tmpl = '
';
- },
-
-
- /**
- * Fires when the input is changed
- * @private
- */
- onChange: function onChange() {
- this.model.set('value', this.getInputEl().value);
- },
- getValueForTarget: function getValueForTarget() {
- return this.model.get('value');
- },
- setInputValue: function setInputValue(value) {
- this.getInputEl().value = value;
- },
-
-
- /**
- * On change callback
- * @private
- */
- onValueChange: function onValueChange(model, value) {
- var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
-
- var mod = this.model;
- var trg = this.target;
- var name = mod.get('name');
-
- if (opts.fromTarget) {
- this.setInputValue(mod.get('value'));
- } else {
- var _value = this.getValueForTarget();
- mod.setTargetValue(_value);
- }
- },
-
-
- /**
- * Render label
- * @private
- */
- renderLabel: function renderLabel() {
- this.$el.html('
' + this.getLabel() + '
');
- },
-
-
- /**
- * Returns label for the input
- * @return {string}
- * @private
- */
- getLabel: function getLabel() {
- var model = this.model;
- var label = model.get('label') || model.get('name');
- return label.charAt(0).toUpperCase() + label.slice(1).replace(/-/g, ' ');
- },
-
-
- /**
- * Returns input element
- * @return {HTMLElement}
- * @private
- */
- getInputEl: function getInputEl() {
- if (!this.$input) {
- var md = this.model;
- var trg = this.target;
- var name = md.get('name');
- var plh = md.get('placeholder') || md.get('default') || '';
- var type = md.get('type') || 'text';
- var attrs = trg.get('attributes');
- var min = md.get('min');
- var max = md.get('max');
- var value = md.get('changeProp') ? trg.get(name) : md.get('value') || attrs[name];
- var input = $('');
-
- if (value) {
- input.prop('value', value);
- }
-
- if (min) {
- input.prop('min', min);
- }
-
- if (max) {
- input.prop('max', max);
- }
-
- this.$input = input;
+ function typeexpr(type, value) {
+ if (value == "keyof" || value == "typeof" || value == "infer") {
+ cx.marked = "keyword"
+ return cont(value == "typeof" ? expressionNoComma : typeexpr)
}
- return this.$input.get(0);
- },
- getModelValue: function getModelValue() {
- var value;
- var model = this.model;
- var target = this.target;
- var name = model.get('name');
-
- if (model.get('changeProp')) {
- value = target.get(name);
- } else {
- var attrs = target.get('attributes');
- value = model.get('value') || attrs[name];
+ if (type == "variable" || value == "void") {
+ cx.marked = "type"
+ return cont(afterType)
}
-
- return value;
- },
-
-
- /**
- * Renders input
- * @private
- * */
- renderField: function renderField() {
- if (!this.$input) {
- this.$el.append(this.tmpl);
- var el = this.getInputEl();
- // I use prepand expecially for checkbox traits
- var inputWrap = this.el.querySelector('.' + this.inputhClass);
- inputWrap.insertBefore(el, inputWrap.childNodes[0]);
+ if (value == "|" || value == "&") return cont(typeexpr)
+ if (type == "string" || type == "number" || type == "atom") return cont(afterType);
+ if (type == "[") return cont(pushlex("]"), commasep(typeexpr, "]", ","), poplex, afterType)
+ if (type == "{") return cont(pushlex("}"), commasep(typeprop, "}", ",;"), poplex, afterType)
+ if (type == "(") return cont(commasep(typearg, ")"), maybeReturnType, afterType)
+ if (type == "<") return cont(commasep(typeexpr, ">"), typeexpr)
+ }
+ function maybeReturnType(type) {
+ if (type == "=>") return cont(typeexpr)
+ }
+ function typeprop(type, value) {
+ if (type == "variable" || cx.style == "keyword") {
+ cx.marked = "property"
+ return cont(typeprop)
+ } else if (value == "?" || type == "number" || type == "string") {
+ return cont(typeprop)
+ } else if (type == ":") {
+ return cont(typeexpr)
+ } else if (type == "[") {
+ return cont(expect("variable"), maybetypeOrIn, expect("]"), typeprop)
+ } else if (type == "(") {
+ return pass(functiondecl, typeprop)
}
- },
- render: function render() {
- this.renderLabel();
- this.renderField();
- this.el.className = this.className;
- return this;
}
-});
-
-/***/ }),
-/* 9 */
-/***/ (function(module, exports, __webpack_require__) {
-
-"use strict";
-var __WEBPACK_AMD_DEFINE_FACTORY__, __WEBPACK_AMD_DEFINE_RESULT__;
-
-/*! cash-dom 1.3.5, https://github.com/kenwheeler/cash @license MIT */
-;(function (root, factory) {
- if (true) {
- !(__WEBPACK_AMD_DEFINE_FACTORY__ = (factory),
- __WEBPACK_AMD_DEFINE_RESULT__ = (typeof __WEBPACK_AMD_DEFINE_FACTORY__ === 'function' ?
- (__WEBPACK_AMD_DEFINE_FACTORY__.call(exports, __webpack_require__, exports, module)) :
- __WEBPACK_AMD_DEFINE_FACTORY__),
- __WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));
- } else if (typeof exports !== "undefined") {
- module.exports = factory();
- } else {
- root.cash = root.$ = factory();
+ function typearg(type, value) {
+ if (type == "variable" && cx.stream.match(/^\s*[?:]/, false) || value == "?") return cont(typearg)
+ if (type == ":") return cont(typeexpr)
+ if (type == "spread") return cont(typearg)
+ return pass(typeexpr)
}
-})(this, function () {
- var doc = document, win = window, ArrayProto = Array.prototype, slice = ArrayProto.slice, filter = ArrayProto.filter, push = ArrayProto.push;
-
- var noop = function () {}, isFunction = function (item) {
- // @see https://crbug.com/568448
- return typeof item === typeof noop && item.call;
- }, isString = function (item) {
- return typeof item === typeof "";
- };
-
- var idMatch = /^#[\w-]*$/, classMatch = /^\.[\w-]*$/, htmlMatch = /<.+>/, singlet = /^\w+$/;
-
- function find(selector, context) {
- context = context || doc;
- var elems = (classMatch.test(selector) ? context.getElementsByClassName(selector.slice(1)) : singlet.test(selector) ? context.getElementsByTagName(selector) : context.querySelectorAll(selector));
- return elems;
+ function afterType(type, value) {
+ if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
+ if (value == "|" || type == "." || value == "&") return cont(typeexpr)
+ if (type == "[") return cont(typeexpr, expect("]"), afterType)
+ if (value == "extends" || value == "implements") { cx.marked = "keyword"; return cont(typeexpr) }
+ if (value == "?") return cont(typeexpr, expect(":"), typeexpr)
}
-
- var frag;
- function parseHTML(str) {
- if (!frag) {
- frag = doc.implementation.createHTMLDocument();
- var base = frag.createElement("base");
- base.href = doc.location.href;
- frag.head.appendChild(base);
+ function maybeTypeArgs(_, value) {
+ if (value == "<") return cont(pushlex(">"), commasep(typeexpr, ">"), poplex, afterType)
+ }
+ function typeparam() {
+ return pass(typeexpr, maybeTypeDefault)
+ }
+ function maybeTypeDefault(_, value) {
+ if (value == "=") return cont(typeexpr)
+ }
+ function vardef(_, value) {
+ if (value == "enum") {cx.marked = "keyword"; return cont(enumdef)}
+ return pass(pattern, maybetype, maybeAssign, vardefCont);
+ }
+ function pattern(type, value) {
+ if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(pattern) }
+ if (type == "variable") { register(value); return cont(); }
+ if (type == "spread") return cont(pattern);
+ if (type == "[") return contCommasep(eltpattern, "]");
+ if (type == "{") return contCommasep(proppattern, "}");
+ }
+ function proppattern(type, value) {
+ if (type == "variable" && !cx.stream.match(/^\s*:/, false)) {
+ register(value);
+ return cont(maybeAssign);
}
-
- frag.body.innerHTML = str;
-
- return frag.body.childNodes;
+ if (type == "variable") cx.marked = "property";
+ if (type == "spread") return cont(pattern);
+ if (type == "}") return pass();
+ if (type == "[") return cont(expression, expect(']'), expect(':'), proppattern);
+ return cont(expect(":"), pattern, maybeAssign);
}
-
- function onReady(fn) {
- if (doc.readyState !== "loading") {
- fn();
- } else {
- doc.addEventListener("DOMContentLoaded", fn);
+ function eltpattern() {
+ return pass(pattern, maybeAssign)
+ }
+ function maybeAssign(_type, value) {
+ if (value == "=") return cont(expressionNoComma);
+ }
+ function vardefCont(type) {
+ if (type == ",") return cont(vardef);
+ }
+ function maybeelse(type, value) {
+ if (type == "keyword b" && value == "else") return cont(pushlex("form", "else"), statement, poplex);
+ }
+ function forspec(type, value) {
+ if (value == "await") return cont(forspec);
+ if (type == "(") return cont(pushlex(")"), forspec1, poplex);
+ }
+ function forspec1(type) {
+ if (type == "var") return cont(vardef, forspec2);
+ if (type == "variable") return cont(forspec2);
+ return pass(forspec2)
+ }
+ function forspec2(type, value) {
+ if (type == ")") return cont()
+ if (type == ";") return cont(forspec2)
+ if (value == "in" || value == "of") { cx.marked = "keyword"; return cont(expression, forspec2) }
+ return pass(expression, forspec2)
+ }
+ function functiondef(type, value) {
+ if (value == "*") {cx.marked = "keyword"; return cont(functiondef);}
+ if (type == "variable") {register(value); return cont(functiondef);}
+ if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, statement, popcontext);
+ if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondef)
+ }
+ function functiondecl(type, value) {
+ if (value == "*") {cx.marked = "keyword"; return cont(functiondecl);}
+ if (type == "variable") {register(value); return cont(functiondecl);}
+ if (type == "(") return cont(pushcontext, pushlex(")"), commasep(funarg, ")"), poplex, mayberettype, popcontext);
+ if (isTS && value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, functiondecl)
+ }
+ function typename(type, value) {
+ if (type == "keyword" || type == "variable") {
+ cx.marked = "type"
+ return cont(typename)
+ } else if (value == "<") {
+ return cont(pushlex(">"), commasep(typeparam, ">"), poplex)
}
}
-
- function Init(selector, context) {
- if (!selector) {
- return this;
+ function funarg(type, value) {
+ if (value == "@") cont(expression, funarg)
+ if (type == "spread") return cont(funarg);
+ if (isTS && isModifier(value)) { cx.marked = "keyword"; return cont(funarg); }
+ if (isTS && type == "this") return cont(maybetype, maybeAssign)
+ return pass(pattern, maybetype, maybeAssign);
+ }
+ function classExpression(type, value) {
+ // Class expressions may have an optional name.
+ if (type == "variable") return className(type, value);
+ return classNameAfter(type, value);
+ }
+ function className(type, value) {
+ if (type == "variable") {register(value); return cont(classNameAfter);}
+ }
+ function classNameAfter(type, value) {
+ if (value == "<") return cont(pushlex(">"), commasep(typeparam, ">"), poplex, classNameAfter)
+ if (value == "extends" || value == "implements" || (isTS && type == ",")) {
+ if (value == "implements") cx.marked = "keyword";
+ return cont(isTS ? typeexpr : expression, classNameAfter);
}
-
- // If already a cash collection, don't do any further processing
- if (selector.cash && selector !== win) {
- return selector;
+ if (type == "{") return cont(pushlex("}"), classBody, poplex);
+ }
+ function classBody(type, value) {
+ if (type == "async" ||
+ (type == "variable" &&
+ (value == "static" || value == "get" || value == "set" || (isTS && isModifier(value))) &&
+ cx.stream.match(/^\s+[\w$\xa1-\uffff]/, false))) {
+ cx.marked = "keyword";
+ return cont(classBody);
}
-
- var elems = selector, i = 0, length;
-
- if (isString(selector)) {
- elems = (idMatch.test(selector) ?
- // If an ID use the faster getElementById check
- doc.getElementById(selector.slice(1)) : htmlMatch.test(selector) ?
- // If HTML, parse it into real elements
- parseHTML(selector) :
- // else use `find`
- find(selector, context));
-
- // If function, use as shortcut for DOM ready
- } else if (isFunction(selector)) {
- onReady(selector);return this;
- }
-
- if (!elems) {
- return this;
+ if (type == "variable" || cx.style == "keyword") {
+ cx.marked = "property";
+ return cont(isTS ? classfield : functiondef, classBody);
}
-
- // If a single DOM element is passed in or received via ID, return the single element
- if (elems.nodeType || elems === win) {
- this[0] = elems;
- this.length = 1;
- } else {
- // Treat like an array and loop through each item.
- length = this.length = elems.length;
- for (; i < length; i++) {
- this[i] = elems[i];
- }
+ if (type == "number" || type == "string") return cont(isTS ? classfield : functiondef, classBody);
+ if (type == "[")
+ return cont(expression, maybetype, expect("]"), isTS ? classfield : functiondef, classBody)
+ if (value == "*") {
+ cx.marked = "keyword";
+ return cont(classBody);
}
-
- return this;
+ if (isTS && type == "(") return pass(functiondecl, classBody)
+ if (type == ";" || type == ",") return cont(classBody);
+ if (type == "}") return cont();
+ if (value == "@") return cont(expression, classBody)
+ }
+ function classfield(type, value) {
+ if (value == "?") return cont(classfield)
+ if (type == ":") return cont(typeexpr, maybeAssign)
+ if (value == "=") return cont(expressionNoComma)
+ var context = cx.state.lexical.prev, isInterface = context && context.info == "interface"
+ return pass(isInterface ? functiondecl : functiondef)
+ }
+ function afterExport(type, value) {
+ if (value == "*") { cx.marked = "keyword"; return cont(maybeFrom, expect(";")); }
+ if (value == "default") { cx.marked = "keyword"; return cont(expression, expect(";")); }
+ if (type == "{") return cont(commasep(exportField, "}"), maybeFrom, expect(";"));
+ return pass(statement);
+ }
+ function exportField(type, value) {
+ if (value == "as") { cx.marked = "keyword"; return cont(expect("variable")); }
+ if (type == "variable") return pass(expressionNoComma, exportField);
+ }
+ function afterImport(type) {
+ if (type == "string") return cont();
+ if (type == "(") return pass(expression);
+ return pass(importSpec, maybeMoreImports, maybeFrom);
+ }
+ function importSpec(type, value) {
+ if (type == "{") return contCommasep(importSpec, "}");
+ if (type == "variable") register(value);
+ if (value == "*") cx.marked = "keyword";
+ return cont(maybeAs);
+ }
+ function maybeMoreImports(type) {
+ if (type == ",") return cont(importSpec, maybeMoreImports)
+ }
+ function maybeAs(_type, value) {
+ if (value == "as") { cx.marked = "keyword"; return cont(importSpec); }
+ }
+ function maybeFrom(_type, value) {
+ if (value == "from") { cx.marked = "keyword"; return cont(expression); }
+ }
+ function arrayLiteral(type) {
+ if (type == "]") return cont();
+ return pass(commasep(expressionNoComma, "]"));
+ }
+ function enumdef() {
+ return pass(pushlex("form"), pattern, expect("{"), pushlex("}"), commasep(enummember, "}"), poplex, poplex)
+ }
+ function enummember() {
+ return pass(pattern, maybeAssign);
}
- function cash(selector, context) {
- return new Init(selector, context);
+ function isContinuedStatement(state, textAfter) {
+ return state.lastType == "operator" || state.lastType == "," ||
+ isOperatorChar.test(textAfter.charAt(0)) ||
+ /[,.]/.test(textAfter.charAt(0));
}
- var fn = cash.fn = cash.prototype = Init.prototype = { // jshint ignore:line
- cash: true,
- length: 0,
- push: push,
- splice: ArrayProto.splice,
- map: ArrayProto.map,
- init: Init
- };
+ function expressionAllowed(stream, state, backUp) {
+ return state.tokenize == tokenBase &&
+ /^(?:operator|sof|keyword [bcd]|case|new|export|default|spread|[\[{}\(,;:]|=>)$/.test(state.lastType) ||
+ (state.lastType == "quasi" && /\{\s*$/.test(stream.string.slice(0, stream.pos - (backUp || 0))))
+ }
- Object.defineProperty(fn, "constructor", { value: cash });
+ // Interface
- cash.parseHTML = parseHTML;
- cash.noop = noop;
- cash.isFunction = isFunction;
- cash.isString = isString;
+ return {
+ startState: function(basecolumn) {
+ var state = {
+ tokenize: tokenBase,
+ lastType: "sof",
+ cc: [],
+ lexical: new JSLexical((basecolumn || 0) - indentUnit, 0, "block", false),
+ localVars: parserConfig.localVars,
+ context: parserConfig.localVars && new Context(null, null, false),
+ indented: basecolumn || 0
+ };
+ if (parserConfig.globalVars && typeof parserConfig.globalVars == "object")
+ state.globalVars = parserConfig.globalVars;
+ return state;
+ },
- cash.extend = fn.extend = function (target) {
- target = target || {};
+ token: function(stream, state) {
+ if (stream.sol()) {
+ if (!state.lexical.hasOwnProperty("align"))
+ state.lexical.align = false;
+ state.indented = stream.indentation();
+ findFatArrow(stream, state);
+ }
+ if (state.tokenize != tokenComment && stream.eatSpace()) return null;
+ var style = state.tokenize(stream, state);
+ if (type == "comment") return style;
+ state.lastType = type == "operator" && (content == "++" || content == "--") ? "incdec" : type;
+ return parseJS(state, style, type, content, stream);
+ },
- var args = slice.call(arguments), length = args.length, i = 1;
+ indent: function(state, textAfter) {
+ if (state.tokenize == tokenComment) return CodeMirror.Pass;
+ if (state.tokenize != tokenBase) return 0;
+ var firstChar = textAfter && textAfter.charAt(0), lexical = state.lexical, top
+ // Kludge to prevent 'maybelse' from blocking lexical scope pops
+ if (!/^\s*else\b/.test(textAfter)) for (var i = state.cc.length - 1; i >= 0; --i) {
+ var c = state.cc[i];
+ if (c == poplex) lexical = lexical.prev;
+ else if (c != maybeelse) break;
+ }
+ while ((lexical.type == "stat" || lexical.type == "form") &&
+ (firstChar == "}" || ((top = state.cc[state.cc.length - 1]) &&
+ (top == maybeoperatorComma || top == maybeoperatorNoComma) &&
+ !/^[,\.=+\-*:?[\(]/.test(textAfter))))
+ lexical = lexical.prev;
+ if (statementIndent && lexical.type == ")" && lexical.prev.type == "stat")
+ lexical = lexical.prev;
+ var type = lexical.type, closing = firstChar == type;
- if (args.length === 1) {
- target = this;
- i = 0;
- }
+ if (type == "vardef") return lexical.indented + (state.lastType == "operator" || state.lastType == "," ? lexical.info.length + 1 : 0);
+ else if (type == "form" && firstChar == "{") return lexical.indented;
+ else if (type == "form") return lexical.indented + indentUnit;
+ else if (type == "stat")
+ return lexical.indented + (isContinuedStatement(state, textAfter) ? statementIndent || indentUnit : 0);
+ else if (lexical.info == "switch" && !closing && parserConfig.doubleIndentSwitch != false)
+ return lexical.indented + (/^(?:case|default)\b/.test(textAfter) ? indentUnit : 2 * indentUnit);
+ else if (lexical.align) return lexical.column + (closing ? 0 : 1);
+ else return lexical.indented + (closing ? 0 : indentUnit);
+ },
- for (; i < length; i++) {
- if (!args[i]) {
- continue;
- }
- for (var key in args[i]) {
- if (args[i].hasOwnProperty(key)) {
- target[key] = args[i][key];
- }
- }
- }
+ electricInput: /^\s*(?:case .*?:|default:|\{|\})$/,
+ blockCommentStart: jsonMode ? null : "/*",
+ blockCommentEnd: jsonMode ? null : "*/",
+ blockCommentContinue: jsonMode ? null : " * ",
+ lineComment: jsonMode ? null : "//",
+ fold: "brace",
+ closeBrackets: "()[]{}''\"\"``",
- return target;
- };
+ helperType: jsonMode ? "json" : "javascript",
+ jsonldMode: jsonldMode,
+ jsonMode: jsonMode,
- function each(collection, callback) {
- var l = collection.length, i = 0;
+ expressionAllowed: expressionAllowed,
- for (; i < l; i++) {
- if (callback.call(collection[i], collection[i], i, collection) === false) {
- break;
- }
+ skipExpression: function(state) {
+ var top = state.cc[state.cc.length - 1]
+ if (top == expression || top == expressionNoComma) state.cc.pop()
}
- }
-
- function matches(el, selector) {
- var m = el && (el.matches || el.webkitMatchesSelector || el.mozMatchesSelector || el.msMatchesSelector || el.oMatchesSelector);
- return !!m && m.call(el, selector);
- }
+ };
+});
- function getCompareFunction(selector) {
- return (
- /* Use browser's `matches` function if string */
- isString(selector) ? matches :
- /* Match a cash element */
- selector.cash ? function (el) {
- return selector.is(el);
- } :
- /* Direct comparison */
- function (el, selector) {
- return el === selector;
- });
- }
+CodeMirror.registerHelper("wordChars", "javascript", /[\w$]/);
- function unique(collection) {
- return cash(slice.call(collection).filter(function (item, index, self) {
- return self.indexOf(item) === index;
- }));
- }
+CodeMirror.defineMIME("text/javascript", "javascript");
+CodeMirror.defineMIME("text/ecmascript", "javascript");
+CodeMirror.defineMIME("application/javascript", "javascript");
+CodeMirror.defineMIME("application/x-javascript", "javascript");
+CodeMirror.defineMIME("application/ecmascript", "javascript");
+CodeMirror.defineMIME("application/json", {name: "javascript", json: true});
+CodeMirror.defineMIME("application/x-json", {name: "javascript", json: true});
+CodeMirror.defineMIME("application/ld+json", {name: "javascript", jsonld: true});
+CodeMirror.defineMIME("text/typescript", { name: "javascript", typescript: true });
+CodeMirror.defineMIME("application/typescript", { name: "javascript", typescript: true });
- cash.extend({
- merge: function (first, second) {
- var len = +second.length, i = first.length, j = 0;
+});
- for (; j < len; i++, j++) {
- first[i] = second[j];
- }
- first.length = i;
- return first;
- },
+/***/ }),
- each: each,
- matches: matches,
- unique: unique,
- isArray: Array.isArray,
- isNumeric: function (n) {
- return !isNaN(parseFloat(n)) && isFinite(n);
- }
+/***/ "./node_modules/codemirror/mode/xml/xml.js":
+/*!*************************************************!*\
+ !*** ./node_modules/codemirror/mode/xml/xml.js ***!
+ \*************************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- });
+// CodeMirror, copyright (c) by Marijn Haverbeke and others
+// Distributed under an MIT license: https://codemirror.net/LICENSE
- var uid = cash.uid = "_cash" + Date.now();
+(function(mod) {
+ if (true) // CommonJS
+ mod(__webpack_require__(/*! ../../lib/codemirror */ "./node_modules/codemirror/lib/codemirror.js"));
+ else {}
+})(function(CodeMirror) {
+"use strict";
- function getDataCache(node) {
- return (node[uid] = node[uid] || {});
- }
+var htmlConfig = {
+ autoSelfClosers: {'area': true, 'base': true, 'br': true, 'col': true, 'command': true,
+ 'embed': true, 'frame': true, 'hr': true, 'img': true, 'input': true,
+ 'keygen': true, 'link': true, 'meta': true, 'param': true, 'source': true,
+ 'track': true, 'wbr': true, 'menuitem': true},
+ implicitlyClosed: {'dd': true, 'li': true, 'optgroup': true, 'option': true, 'p': true,
+ 'rp': true, 'rt': true, 'tbody': true, 'td': true, 'tfoot': true,
+ 'th': true, 'tr': true},
+ contextGrabbers: {
+ 'dd': {'dd': true, 'dt': true},
+ 'dt': {'dd': true, 'dt': true},
+ 'li': {'li': true},
+ 'option': {'option': true, 'optgroup': true},
+ 'optgroup': {'optgroup': true},
+ 'p': {'address': true, 'article': true, 'aside': true, 'blockquote': true, 'dir': true,
+ 'div': true, 'dl': true, 'fieldset': true, 'footer': true, 'form': true,
+ 'h1': true, 'h2': true, 'h3': true, 'h4': true, 'h5': true, 'h6': true,
+ 'header': true, 'hgroup': true, 'hr': true, 'menu': true, 'nav': true, 'ol': true,
+ 'p': true, 'pre': true, 'section': true, 'table': true, 'ul': true},
+ 'rp': {'rp': true, 'rt': true},
+ 'rt': {'rp': true, 'rt': true},
+ 'tbody': {'tbody': true, 'tfoot': true},
+ 'td': {'td': true, 'th': true},
+ 'tfoot': {'tbody': true},
+ 'th': {'td': true, 'th': true},
+ 'thead': {'tbody': true, 'tfoot': true},
+ 'tr': {'tr': true}
+ },
+ doNotIndent: {"pre": true},
+ allowUnquoted: true,
+ allowMissing: true,
+ caseFold: true
+}
- function setData(node, key, value) {
- return (getDataCache(node)[key] = value);
- }
+var xmlConfig = {
+ autoSelfClosers: {},
+ implicitlyClosed: {},
+ contextGrabbers: {},
+ doNotIndent: {},
+ allowUnquoted: false,
+ allowMissing: false,
+ allowMissingTagName: false,
+ caseFold: false
+}
- function getData(node, key) {
- var c = getDataCache(node);
- if (c[key] === undefined) {
- c[key] = node.dataset ? node.dataset[key] : cash(node).attr("data-" + key);
+CodeMirror.defineMode("xml", function(editorConf, config_) {
+ var indentUnit = editorConf.indentUnit
+ var config = {}
+ var defaults = config_.htmlMode ? htmlConfig : xmlConfig
+ for (var prop in defaults) config[prop] = defaults[prop]
+ for (var prop in config_) config[prop] = config_[prop]
+
+ // Return variables for tokenizers
+ var type, setStyle;
+
+ function inText(stream, state) {
+ function chain(parser) {
+ state.tokenize = parser;
+ return parser(stream, state);
+ }
+
+ var ch = stream.next();
+ if (ch == "<") {
+ if (stream.eat("!")) {
+ if (stream.eat("[")) {
+ if (stream.match("CDATA[")) return chain(inBlock("atom", "]]>"));
+ else return null;
+ } else if (stream.match("--")) {
+ return chain(inBlock("comment", "-->"));
+ } else if (stream.match("DOCTYPE", true, true)) {
+ stream.eatWhile(/[\w\._\-]/);
+ return chain(doctype(1));
+ } else {
+ return null;
+ }
+ } else if (stream.eat("?")) {
+ stream.eatWhile(/[\w\._\-]/);
+ state.tokenize = inBlock("meta", "?>");
+ return "meta";
+ } else {
+ type = stream.eat("/") ? "closeTag" : "openTag";
+ state.tokenize = inTag;
+ return "tag bracket";
+ }
+ } else if (ch == "&") {
+ var ok;
+ if (stream.eat("#")) {
+ if (stream.eat("x")) {
+ ok = stream.eatWhile(/[a-fA-F\d]/) && stream.eat(";");
+ } else {
+ ok = stream.eatWhile(/[\d]/) && stream.eat(";");
+ }
+ } else {
+ ok = stream.eatWhile(/[\w\.\-:]/) && stream.eat(";");
+ }
+ return ok ? "atom" : "error";
+ } else {
+ stream.eatWhile(/[^&<]/);
+ return null;
}
- return c[key];
}
+ inText.isInText = true;
- function removeData(node, key) {
- var c = getDataCache(node);
- if (c) {
- delete c[key];
- } else if (node.dataset) {
- delete node.dataset[key];
+ function inTag(stream, state) {
+ var ch = stream.next();
+ if (ch == ">" || (ch == "/" && stream.eat(">"))) {
+ state.tokenize = inText;
+ type = ch == ">" ? "endTag" : "selfcloseTag";
+ return "tag bracket";
+ } else if (ch == "=") {
+ type = "equals";
+ return null;
+ } else if (ch == "<") {
+ state.tokenize = inText;
+ state.state = baseState;
+ state.tagName = state.tagStart = null;
+ var next = state.tokenize(stream, state);
+ return next ? next + " tag error" : "tag error";
+ } else if (/[\'\"]/.test(ch)) {
+ state.tokenize = inAttribute(ch);
+ state.stringStartCol = stream.column();
+ return state.tokenize(stream, state);
} else {
- cash(node).removeAttr("data-" + name);
+ stream.match(/^[^\s\u00a0=<>\"\']*[^\s\u00a0=<>\"\'\/]/);
+ return "word";
}
}
- fn.extend({
- data: function (name, value) {
- if (isString(name)) {
- return (value === undefined ? getData(this[0], name) : this.each(function (v) {
- return setData(v, name, value);
- }));
+ function inAttribute(quote) {
+ var closure = function(stream, state) {
+ while (!stream.eol()) {
+ if (stream.next() == quote) {
+ state.tokenize = inTag;
+ break;
+ }
}
+ return "string";
+ };
+ closure.isInAttribute = true;
+ return closure;
+ }
- for (var key in name) {
- this.data(key, name[key]);
+ function inBlock(style, terminator) {
+ return function(stream, state) {
+ while (!stream.eol()) {
+ if (stream.match(terminator)) {
+ state.tokenize = inText;
+ break;
+ }
+ stream.next();
}
-
- return this;
- },
-
- removeData: function (key) {
- return this.each(function (v) {
- return removeData(v, key);
- });
+ return style;
}
-
- });
-
- var notWhiteMatch = /\S+/g;
-
- function getClasses(c) {
- return isString(c) && c.match(notWhiteMatch);
}
- function hasClass(v, c) {
- return (v.classList ? v.classList.contains(c) : new RegExp("(^| )" + c + "( |$)", "gi").test(v.className));
+ function doctype(depth) {
+ return function(stream, state) {
+ var ch;
+ while ((ch = stream.next()) != null) {
+ if (ch == "<") {
+ state.tokenize = doctype(depth + 1);
+ return state.tokenize(stream, state);
+ } else if (ch == ">") {
+ if (depth == 1) {
+ state.tokenize = inText;
+ break;
+ } else {
+ state.tokenize = doctype(depth - 1);
+ return state.tokenize(stream, state);
+ }
+ }
+ }
+ return "meta";
+ };
}
- function addClass(v, c, spacedName) {
- if (v.classList) {
- v.classList.add(c);
- } else if (spacedName.indexOf(" " + c + " ")) {
- v.className += " " + c;
+ function Context(state, tagName, startOfLine) {
+ this.prev = state.context;
+ this.tagName = tagName;
+ this.indent = state.indented;
+ this.startOfLine = startOfLine;
+ if (config.doNotIndent.hasOwnProperty(tagName) || (state.context && state.context.noIndent))
+ this.noIndent = true;
+ }
+ function popContext(state) {
+ if (state.context) state.context = state.context.prev;
+ }
+ function maybePopContext(state, nextTagName) {
+ var parentTagName;
+ while (true) {
+ if (!state.context) {
+ return;
+ }
+ parentTagName = state.context.tagName;
+ if (!config.contextGrabbers.hasOwnProperty(parentTagName) ||
+ !config.contextGrabbers[parentTagName].hasOwnProperty(nextTagName)) {
+ return;
+ }
+ popContext(state);
}
}
- function removeClass(v, c) {
- if (v.classList) {
- v.classList.remove(c);
+ function baseState(type, stream, state) {
+ if (type == "openTag") {
+ state.tagStart = stream.column();
+ return tagNameState;
+ } else if (type == "closeTag") {
+ return closeTagNameState;
} else {
- v.className = v.className.replace(c, "");
+ return baseState;
}
}
-
- fn.extend({
- addClass: function (c) {
- var classes = getClasses(c);
-
- return (classes ? this.each(function (v) {
- var spacedName = " " + v.className + " ";
- each(classes, function (c) {
- addClass(v, c, spacedName);
- });
- }) : this);
- },
-
- attr: function (name, value) {
- if (!name) {
- return undefined;
+ function tagNameState(type, stream, state) {
+ if (type == "word") {
+ state.tagName = stream.current();
+ setStyle = "tag";
+ return attrState;
+ } else if (config.allowMissingTagName && type == "endTag") {
+ setStyle = "tag bracket";
+ return attrState(type, stream, state);
+ } else {
+ setStyle = "error";
+ return tagNameState;
+ }
+ }
+ function closeTagNameState(type, stream, state) {
+ if (type == "word") {
+ var tagName = stream.current();
+ if (state.context && state.context.tagName != tagName &&
+ config.implicitlyClosed.hasOwnProperty(state.context.tagName))
+ popContext(state);
+ if ((state.context && state.context.tagName == tagName) || config.matchClosing === false) {
+ setStyle = "tag";
+ return closeState;
+ } else {
+ setStyle = "tag error";
+ return closeStateErr;
}
+ } else if (config.allowMissingTagName && type == "endTag") {
+ setStyle = "tag bracket";
+ return closeState(type, stream, state);
+ } else {
+ setStyle = "error";
+ return closeStateErr;
+ }
+ }
- if (isString(name)) {
- if (value === undefined) {
- return this[0] ? this[0].getAttribute ? this[0].getAttribute(name) : this[0][name] : undefined;
- }
-
- return this.each(function (v) {
- if (v.setAttribute) {
- v.setAttribute(name, value);
- } else {
- v[name] = value;
- }
- });
- }
+ function closeState(type, _stream, state) {
+ if (type != "endTag") {
+ setStyle = "error";
+ return closeState;
+ }
+ popContext(state);
+ return baseState;
+ }
+ function closeStateErr(type, stream, state) {
+ setStyle = "error";
+ return closeState(type, stream, state);
+ }
- for (var key in name) {
- this.attr(key, name[key]);
+ function attrState(type, _stream, state) {
+ if (type == "word") {
+ setStyle = "attribute";
+ return attrEqState;
+ } else if (type == "endTag" || type == "selfcloseTag") {
+ var tagName = state.tagName, tagStart = state.tagStart;
+ state.tagName = state.tagStart = null;
+ if (type == "selfcloseTag" ||
+ config.autoSelfClosers.hasOwnProperty(tagName)) {
+ maybePopContext(state, tagName);
+ } else {
+ maybePopContext(state, tagName);
+ state.context = new Context(state, tagName, tagStart == state.indented);
}
+ return baseState;
+ }
+ setStyle = "error";
+ return attrState;
+ }
+ function attrEqState(type, stream, state) {
+ if (type == "equals") return attrValueState;
+ if (!config.allowMissing) setStyle = "error";
+ return attrState(type, stream, state);
+ }
+ function attrValueState(type, stream, state) {
+ if (type == "string") return attrContinuedState;
+ if (type == "word" && config.allowUnquoted) {setStyle = "string"; return attrState;}
+ setStyle = "error";
+ return attrState(type, stream, state);
+ }
+ function attrContinuedState(type, stream, state) {
+ if (type == "string") return attrContinuedState;
+ return attrState(type, stream, state);
+ }
- return this;
+ return {
+ startState: function(baseIndent) {
+ var state = {tokenize: inText,
+ state: baseState,
+ indented: baseIndent || 0,
+ tagName: null, tagStart: null,
+ context: null}
+ if (baseIndent != null) state.baseIndent = baseIndent
+ return state
},
- hasClass: function (c) {
- var check = false, classes = getClasses(c);
- if (classes && classes.length) {
- this.each(function (v) {
- check = hasClass(v, classes[0]);
- return !check;
- });
+ token: function(stream, state) {
+ if (!state.tagName && stream.sol())
+ state.indented = stream.indentation();
+
+ if (stream.eatSpace()) return null;
+ type = null;
+ var style = state.tokenize(stream, state);
+ if ((style || type) && style != "comment") {
+ setStyle = null;
+ state.state = state.state(type || style, stream, state);
+ if (setStyle)
+ style = setStyle == "error" ? style + " error" : setStyle;
}
- return check;
+ return style;
},
- prop: function (name, value) {
- if (isString(name)) {
- return (value === undefined ? this[0][name] : this.each(function (v) {
- v[name] = value;
- }));
+ indent: function(state, textAfter, fullLine) {
+ var context = state.context;
+ // Indent multi-line strings (e.g. css).
+ if (state.tokenize.isInAttribute) {
+ if (state.tagStart == state.indented)
+ return state.stringStartCol + 1;
+ else
+ return state.indented + indentUnit;
}
-
- for (var key in name) {
- this.prop(key, name[key]);
+ if (context && context.noIndent) return CodeMirror.Pass;
+ if (state.tokenize != inTag && state.tokenize != inText)
+ return fullLine ? fullLine.match(/^(\s*)/)[0].length : 0;
+ // Indent the starts of attribute names.
+ if (state.tagName) {
+ if (config.multilineTagIndentPastTag !== false)
+ return state.tagStart + state.tagName.length + 2;
+ else
+ return state.tagStart + indentUnit * (config.multilineTagIndentFactor || 1);
}
-
- return this;
- },
-
- removeAttr: function (name) {
- return this.each(function (v) {
- if (v.removeAttribute) {
- v.removeAttribute(name);
- } else {
- delete v[name];
+ if (config.alignCDATA && /$/,
+ blockCommentStart: "",
- toggleClass: function (c, state) {
- if (state !== undefined) {
- return this[state ? "addClass" : "removeClass"](c);
- }
- var classes = getClasses(c);
- return (classes ? this.each(function (v) {
- var spacedName = " " + v.className + " ";
- each(classes, function (c) {
- if (hasClass(v, c)) {
- removeClass(v, c);
- } else {
- addClass(v, c, spacedName);
- }
- });
- }) : this);
- } });
+ configuration: config.htmlMode ? "html" : "xml",
+ helperType: config.htmlMode ? "html" : "xml",
- fn.extend({
- add: function (selector, context) {
- return unique(cash.merge(this, cash(selector, context)));
- },
+ skipAttribute: function(state) {
+ if (state.state == attrValueState)
+ state.state = attrState
+ }
+ };
+});
- each: function (callback) {
- each(this, callback);
- return this;
- },
+CodeMirror.defineMIME("text/xml", "xml");
+CodeMirror.defineMIME("application/xml", "xml");
+if (!CodeMirror.mimeModes.hasOwnProperty("text/html"))
+ CodeMirror.defineMIME("text/html", {name: "xml", htmlMode: true});
- eq: function (index) {
- return cash(this.get(index));
- },
+});
- filter: function (selector) {
- if (!selector) {
- return this;
- }
- var comparator = (isFunction(selector) ? selector : getCompareFunction(selector));
+/***/ }),
- return cash(filter.call(this, function (e) {
- return comparator(e, selector);
- }));
- },
+/***/ "./node_modules/keymaster/keymaster.js":
+/*!*********************************************!*\
+ !*** ./node_modules/keymaster/keymaster.js ***!
+ \*********************************************/
+/*! no static exports found */
+/***/ (function(module, exports, __webpack_require__) {
- first: function () {
- return this.eq(0);
- },
+// keymaster.js
+// (c) 2011-2013 Thomas Fuchs
+// keymaster.js may be freely distributed under the MIT license.
- get: function (index) {
- if (index === undefined) {
- return slice.call(this);
- }
- return (index < 0 ? this[index + this.length] : this[index]);
+;(function(global){
+ var k,
+ _handlers = {},
+ _mods = { 16: false, 18: false, 17: false, 91: false },
+ _scope = 'all',
+ // modifier keys
+ _MODIFIERS = {
+ '⇧': 16, shift: 16,
+ '⌥': 18, alt: 18, option: 18,
+ '⌃': 17, ctrl: 17, control: 17,
+ '⌘': 91, command: 91
},
-
- index: function (elem) {
- var child = elem ? cash(elem)[0] : this[0], collection = elem ? this : cash(child).parent().children();
- return slice.call(collection).indexOf(child);
+ // special keys
+ _MAP = {
+ backspace: 8, tab: 9, clear: 12,
+ enter: 13, 'return': 13,
+ esc: 27, escape: 27, space: 32,
+ left: 37, up: 38,
+ right: 39, down: 40,
+ del: 46, 'delete': 46,
+ home: 36, end: 35,
+ pageup: 33, pagedown: 34,
+ ',': 188, '.': 190, '/': 191,
+ '`': 192, '-': 189, '=': 187,
+ ';': 186, '\'': 222,
+ '[': 219, ']': 221, '\\': 220
+ },
+ code = function(x){
+ return _MAP[x] || x.toUpperCase().charCodeAt(0);
},
+ _downKeys = [];
- last: function () {
- return this.eq(-1);
- }
+ for(k=1;k<20;k++) _MAP['f'+k] = 111+k;
- });
+ // IE doesn't support Array#indexOf, so have a simple replacement
+ function index(array, item){
+ var i = array.length;
+ while(i--) if(array[i]===item) return i;
+ return -1;
+ }
- var camelCase = (function () {
- var camelRegex = /(?:^\w|[A-Z]|\b\w)/g, whiteSpace = /[\s-_]+/g;
- return function (str) {
- return str.replace(camelRegex, function (letter, index) {
- return letter[index === 0 ? "toLowerCase" : "toUpperCase"]();
- }).replace(whiteSpace, "");
- };
- }());
+ // for comparing mods before unassignment
+ function compareArray(a1, a2) {
+ if (a1.length != a2.length) return false;
+ for (var i = 0; i < a1.length; i++) {
+ if (a1[i] !== a2[i]) return false;
+ }
+ return true;
+ }
- var getPrefixedProp = (function () {
- var cache = {}, doc = document, div = doc.createElement("div"), style = div.style;
+ var modifierMap = {
+ 16:'shiftKey',
+ 18:'altKey',
+ 17:'ctrlKey',
+ 91:'metaKey'
+ };
+ function updateModifierKey(event) {
+ for(k in _mods) _mods[k] = event[modifierMap[k]];
+ };
- return function (prop) {
- prop = camelCase(prop);
- if (cache[prop]) {
- return cache[prop];
- }
+ // handle keydown event
+ function dispatch(event) {
+ var key, handler, k, i, modifiersMatch, scope;
+ key = event.keyCode;
- var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), prefixes = ["webkit", "moz", "ms", "o"], props = (prop + " " + (prefixes).join(ucProp + " ") + ucProp).split(" ");
+ if (index(_downKeys, key) == -1) {
+ _downKeys.push(key);
+ }
- each(props, function (p) {
- if (p in style) {
- cache[p] = prop = cache[prop] = p;
- return false;
- }
- });
+ // if a modifier key, set the key. property to true and return
+ if(key == 93 || key == 224) key = 91; // right command on webkit, command on Gecko
+ if(key in _mods) {
+ _mods[key] = true;
+ // 'assignKey' from inside this closure is exported to window.key
+ for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = true;
+ return;
+ }
+ updateModifierKey(event);
- return cache[prop];
- };
- }());
+ // see if we need to ignore the keypress (filter() can can be overridden)
+ // by default ignore key presses if a select, textarea, or input is focused
+ if(!assignKey.filter.call(this, event)) return;
- cash.prefixedProp = getPrefixedProp;
- cash.camelCase = camelCase;
+ // abort if no potentially matching shortcuts found
+ if (!(key in _handlers)) return;
- fn.extend({
- css: function (prop, value) {
- if (isString(prop)) {
- prop = getPrefixedProp(prop);
- return (arguments.length > 1 ? this.each(function (v) {
- return v.style[prop] = value;
- }) : win.getComputedStyle(this[0])[prop]);
- }
+ scope = getScope();
- for (var key in prop) {
- this.css(key, prop[key]);
- }
+ // for each potential shortcut
+ for (i = 0; i < _handlers[key].length; i++) {
+ handler = _handlers[key][i];
- return this;
+ // see if it's in the current scope
+ if(handler.scope == scope || handler.scope == 'all'){
+ // check if modifiers match if any
+ modifiersMatch = handler.mods.length > 0;
+ for(k in _mods)
+ if((!_mods[k] && index(handler.mods, +k) > -1) ||
+ (_mods[k] && index(handler.mods, +k) == -1)) modifiersMatch = false;
+ // call the handler and stop the event if neccessary
+ if((handler.mods.length == 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91]) || modifiersMatch){
+ if(handler.method(event, handler)===false){
+ if(event.preventDefault) event.preventDefault();
+ else event.returnValue = false;
+ if(event.stopPropagation) event.stopPropagation();
+ if(event.cancelBubble) event.cancelBubble = true;
+ }
+ }
+ }
}
+ };
- });
-
- function compute(el, prop) {
- return parseInt(win.getComputedStyle(el[0], null)[prop], 10) || 0;
- }
-
- each(["Width", "Height"], function (v) {
- var lower = v.toLowerCase();
-
- fn[lower] = function () {
- return this[0].getBoundingClientRect()[lower];
- };
-
- fn["inner" + v] = function () {
- return this[0]["client" + v];
- };
+ // unset modifier keys on keyup
+ function clearModifier(event){
+ var key = event.keyCode, k,
+ i = index(_downKeys, key);
- fn["outer" + v] = function (margins) {
- return this[0]["offset" + v] + (margins ? compute(this, "margin" + (v === "Width" ? "Left" : "Top")) + compute(this, "margin" + (v === "Width" ? "Right" : "Bottom")) : 0);
- };
- });
+ // remove key from _downKeys
+ if (i >= 0) {
+ _downKeys.splice(i, 1);
+ }
- function registerEvent(node, eventName, callback) {
- var eventCache = getData(node, "_cashEvents") || setData(node, "_cashEvents", {});
- eventCache[eventName] = eventCache[eventName] || [];
- eventCache[eventName].push(callback);
- node.addEventListener(eventName, callback);
- }
+ if(key == 93 || key == 224) key = 91;
+ if(key in _mods) {
+ _mods[key] = false;
+ for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = false;
+ }
+ };
- function removeEvent(node, eventName, callback) {
- var events = getData(node, "_cashEvents"), eventCache = (events && events[eventName]), index;
+ function resetModifiers() {
+ for(k in _mods) _mods[k] = false;
+ for(k in _MODIFIERS) assignKey[k] = false;
+ };
- if (!eventCache) {
- return;
+ // parse and assign shortcut
+ function assignKey(key, scope, method){
+ var keys, mods;
+ keys = getKeys(key);
+ if (method === undefined) {
+ method = scope;
+ scope = 'all';
}
- if (callback) {
- node.removeEventListener(eventName, callback);
- index = eventCache.indexOf(callback);
- if (index >= 0) {
- eventCache.splice(index, 1);
+ // for each shortcut
+ for (var i = 0; i < keys.length; i++) {
+ // set modifier keys if any
+ mods = [];
+ key = keys[i].split('+');
+ if (key.length > 1){
+ mods = getMods(key);
+ key = [key[key.length-1]];
}
- } else {
- each(eventCache, function (event) {
- node.removeEventListener(eventName, event);
- });
- eventCache = [];
+ // convert to keycode and...
+ key = key[0]
+ key = code(key);
+ // ...store handler
+ if (!(key in _handlers)) _handlers[key] = [];
+ _handlers[key].push({ shortcut: keys[i], scope: scope, method: method, key: keys[i], mods: mods });
}
- }
+ };
- fn.extend({
- off: function (eventName, callback) {
- return this.each(function (v) {
- return removeEvent(v, eventName, callback);
- });
- },
+ // unbind all handlers for given key in current scope
+ function unbindKey(key, scope) {
+ var multipleKeys, keys,
+ mods = [],
+ i, j, obj;
- on: function (eventName, delegate, callback, runOnce) {
- // jshint ignore:line
+ multipleKeys = getKeys(key);
- var originalCallback;
+ for (j = 0; j < multipleKeys.length; j++) {
+ keys = multipleKeys[j].split('+');
- if (!isString(eventName)) {
- for (var key in eventName) {
- this.on(key, delegate, eventName[key]);
- }
- return this;
+ if (keys.length > 1) {
+ mods = getMods(keys);
+ key = keys[keys.length - 1];
}
- if (isFunction(delegate)) {
- callback = delegate;
- delegate = null;
- }
+ key = code(key);
- if (eventName === "ready") {
- onReady(callback);
- return this;
+ if (scope === undefined) {
+ scope = getScope();
}
-
- if (delegate) {
- originalCallback = callback;
- callback = function (e) {
- var t = e.target;
-
- while (!matches(t, delegate)) {
- if (t === this) {
- return (t = false);
- }
- t = t.parentNode;
- }
-
- if (t) {
- originalCallback.call(t, e);
- }
- };
+ if (!_handlers[key]) {
+ return;
}
-
- return this.each(function (v) {
- var finalCallback = callback;
- if (runOnce) {
- finalCallback = function () {
- callback.apply(this, arguments);
- removeEvent(v, eventName, finalCallback);
- };
+ for (i = 0; i < _handlers[key].length; i++) {
+ obj = _handlers[key][i];
+ // only clear handlers if correct scope and mods match
+ if (obj.scope === scope && compareArray(obj.mods, mods)) {
+ _handlers[key][i] = {};
}
- registerEvent(v, eventName, finalCallback);
- });
- },
-
- one: function (eventName, delegate, callback) {
- return this.on(eventName, delegate, callback, true);
- },
-
- ready: onReady,
-
- trigger: function (eventName, data) {
- var evt = doc.createEvent("HTMLEvents");
- evt.data = data;
- evt.initEvent(eventName, true, false);
- return this.each(function (v) {
- return v.dispatchEvent(evt);
- });
+ }
}
+ };
- });
-
- function encode(name, value) {
- return "&" + encodeURIComponent(name) + "=" + encodeURIComponent(value).replace(/%20/g, "+");
- }
-
- function getSelectMultiple_(el) {
- var values = [];
- each(el.options, function (o) {
- if (o.selected) {
- values.push(o.value);
+ // Returns true if the key with code 'keyCode' is currently down
+ // Converts strings into key codes.
+ function isPressed(keyCode) {
+ if (typeof(keyCode)=='string') {
+ keyCode = code(keyCode);
}
- });
- return values.length ? values : null;
+ return index(_downKeys, keyCode) != -1;
}
- function getSelectSingle_(el) {
- var selectedIndex = el.selectedIndex;
- return selectedIndex >= 0 ? el.options[selectedIndex].value : null;
+ function getPressedKeyCodes() {
+ return _downKeys.slice(0);
}
- function getValue(el) {
- var type = el.type;
- if (!type) {
- return null;
- }
- switch (type.toLowerCase()) {
- case "select-one":
- return getSelectSingle_(el);
- case "select-multiple":
- return getSelectMultiple_(el);
- case "radio":
- return (el.checked) ? el.value : null;
- case "checkbox":
- return (el.checked) ? el.value : null;
- default:
- return el.value ? el.value : null;
- }
+ function filter(event){
+ var tagName = (event.target || event.srcElement).tagName;
+ // ignore keypressed in any elements that support keyboard data input
+ return !(tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
}
- fn.extend({
- serialize: function () {
- var query = "";
+ // initialize key. to false
+ for(k in _MODIFIERS) assignKey[k] = false;
- each(this[0].elements || this, function (el) {
- if (el.disabled || el.tagName === "FIELDSET") {
- return;
- }
- var name = el.name;
- switch (el.type.toLowerCase()) {
- case "file":
- case "reset":
- case "submit":
- case "button":
- break;
- case "select-multiple":
- var values = getValue(el);
- if (values !== null) {
- each(values, function (value) {
- query += encode(name, value);
- });
- }
- break;
- default:
- var value = getValue(el);
- if (value !== null) {
- query += encode(name, value);
- }
- }
- });
+ // set current scope (default 'all')
+ function setScope(scope){ _scope = scope || 'all' };
+ function getScope(){ return _scope || 'all' };
- return query.substr(1);
- },
+ // delete all handlers for a given scope
+ function deleteScope(scope){
+ var key, handlers, i;
- val: function (value) {
- if (value === undefined) {
- return getValue(this[0]);
- } else {
- return this.each(function (v) {
- return v.value = value;
- });
+ for (key in _handlers) {
+ handlers = _handlers[key];
+ for (i = 0; i < handlers.length; ) {
+ if (handlers[i].scope === scope) handlers.splice(i, 1);
+ else i++;
}
}
+ };
- });
-
- function insertElement(el, child, prepend) {
- if (prepend) {
- var first = el.childNodes[0];
- el.insertBefore(child, first);
- } else {
- el.appendChild(child);
+ // abstract key logic for assign and unassign
+ function getKeys(key) {
+ var keys;
+ key = key.replace(/\s/g, '');
+ keys = key.split(',');
+ if ((keys[keys.length - 1]) == '') {
+ keys[keys.length - 2] += ',';
}
+ return keys;
}
- function insertContent(parent, child, prepend) {
- var str = isString(child);
+ // abstract mods logic for assign and unassign
+ function getMods(key) {
+ var mods = key.slice(0, key.length - 1);
+ for (var mi = 0; mi < mods.length; mi++)
+ mods[mi] = _MODIFIERS[mods[mi]];
+ return mods;
+ }
- if (!str && child.length) {
- each(child, function (v) {
- return insertContent(parent, v, prepend);
- });
- return;
- }
+ // cross-browser events
+ function addEvent(object, event, method) {
+ if (object.addEventListener)
+ object.addEventListener(event, method, false);
+ else if(object.attachEvent)
+ object.attachEvent('on'+event, function(){ method(window.event) });
+ };
- each(parent, str ? function (v) {
- return v.insertAdjacentHTML(prepend ? "afterbegin" : "beforeend", child);
- } : function (v, i) {
- return insertElement(v, (i === 0 ? child : child.cloneNode(true)), prepend);
- });
+ // set the handlers globally on document
+ addEvent(document, 'keydown', function(event) { dispatch(event) }); // Passing _scope to a callback to ensure it remains the same by execution. Fixes #48
+ addEvent(document, 'keyup', clearModifier);
+
+ // reset modifiers to false whenever the window is (re)focused.
+ addEvent(window, 'focus', resetModifiers);
+
+ // store previously defined key
+ var previousKey = global.key;
+
+ // restore previously defined key and return reference to our key object
+ function noConflict() {
+ var k = global.key;
+ global.key = previousKey;
+ return k;
}
- fn.extend({
- after: function (selector) {
- cash(selector).insertAfter(this);
- return this;
- },
+ // set window.key and window.key.set/get/deleteScope, and the default filter
+ global.key = assignKey;
+ global.key.setScope = setScope;
+ global.key.getScope = getScope;
+ global.key.deleteScope = deleteScope;
+ global.key.filter = filter;
+ global.key.isPressed = isPressed;
+ global.key.getPressedKeyCodes = getPressedKeyCodes;
+ global.key.noConflict = noConflict;
+ global.key.unbind = unbindKey;
- append: function (content) {
- insertContent(this, content);
- return this;
- },
+ if(true) module.exports = assignKey;
- appendTo: function (parent) {
- insertContent(cash(parent), this);
- return this;
- },
+})(this);
- before: function (selector) {
- cash(selector).insertBefore(this);
- return this;
- },
- clone: function () {
- return cash(this.map(function (v) {
- return v.cloneNode(true);
- }));
- },
+/***/ }),
- empty: function () {
- this.html("");
- return this;
- },
+/***/ "./node_modules/process/browser.js":
+/*!*****************************************!*\
+ !*** ./node_modules/process/browser.js ***!
+ \*****************************************/
+/*! no static exports found */
+/***/ (function(module, exports) {
- html: function (content) {
- if (content === undefined) {
- return this[0].innerHTML;
- }
- var source = (content.nodeType ? content[0].outerHTML : content);
- return this.each(function (v) {
- return v.innerHTML = source;
- });
- },
+// shim for using process in browser
+var process = module.exports = {};
- insertAfter: function (selector) {
- var _this = this;
+// cached from whatever global is present so that test runners that stub it
+// don't break things. But we need to wrap it in a try catch in case it is
+// wrapped in strict mode code which doesn't define any globals. It's inside a
+// function because try/catches deoptimize in certain engines.
+var cachedSetTimeout;
+var cachedClearTimeout;
- cash(selector).each(function (el, i) {
- var parent = el.parentNode, sibling = el.nextSibling;
- _this.each(function (v) {
- parent.insertBefore((i === 0 ? v : v.cloneNode(true)), sibling);
- });
- });
+function defaultSetTimout() {
+ throw new Error('setTimeout has not been defined');
+}
+function defaultClearTimeout () {
+ throw new Error('clearTimeout has not been defined');
+}
+(function () {
+ try {
+ if (typeof setTimeout === 'function') {
+ cachedSetTimeout = setTimeout;
+ } else {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ } catch (e) {
+ cachedSetTimeout = defaultSetTimout;
+ }
+ try {
+ if (typeof clearTimeout === 'function') {
+ cachedClearTimeout = clearTimeout;
+ } else {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+ } catch (e) {
+ cachedClearTimeout = defaultClearTimeout;
+ }
+} ())
+function runTimeout(fun) {
+ if (cachedSetTimeout === setTimeout) {
+ //normal enviroments in sane situations
+ return setTimeout(fun, 0);
+ }
+ // if setTimeout wasn't available but was latter defined
+ if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
+ cachedSetTimeout = setTimeout;
+ return setTimeout(fun, 0);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedSetTimeout(fun, 0);
+ } catch(e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedSetTimeout.call(null, fun, 0);
+ } catch(e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
+ return cachedSetTimeout.call(this, fun, 0);
+ }
+ }
- return this;
- },
- insertBefore: function (selector) {
- var _this2 = this;
- cash(selector).each(function (el, i) {
- var parent = el.parentNode;
- _this2.each(function (v) {
- parent.insertBefore((i === 0 ? v : v.cloneNode(true)), el);
- });
- });
- return this;
- },
+}
+function runClearTimeout(marker) {
+ if (cachedClearTimeout === clearTimeout) {
+ //normal enviroments in sane situations
+ return clearTimeout(marker);
+ }
+ // if clearTimeout wasn't available but was latter defined
+ if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
+ cachedClearTimeout = clearTimeout;
+ return clearTimeout(marker);
+ }
+ try {
+ // when when somebody has screwed with setTimeout but no I.E. maddness
+ return cachedClearTimeout(marker);
+ } catch (e){
+ try {
+ // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
+ return cachedClearTimeout.call(null, marker);
+ } catch (e){
+ // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
+ // Some versions of I.E. have different rules for clearTimeout vs setTimeout
+ return cachedClearTimeout.call(this, marker);
+ }
+ }
- prepend: function (content) {
- insertContent(this, content, true);
- return this;
- },
- prependTo: function (parent) {
- insertContent(cash(parent), this, true);
- return this;
- },
- remove: function () {
- return this.each(function (v) {
- return v.parentNode.removeChild(v);
- });
- },
+}
+var queue = [];
+var draining = false;
+var currentQueue;
+var queueIndex = -1;
- text: function (content) {
- if (content === undefined) {
- return this[0].textContent;
- }
- return this.each(function (v) {
- return v.textContent = content;
- });
+function cleanUpNextTick() {
+ if (!draining || !currentQueue) {
+ return;
+ }
+ draining = false;
+ if (currentQueue.length) {
+ queue = currentQueue.concat(queue);
+ } else {
+ queueIndex = -1;
+ }
+ if (queue.length) {
+ drainQueue();
}
+}
- });
+function drainQueue() {
+ if (draining) {
+ return;
+ }
+ var timeout = runTimeout(cleanUpNextTick);
+ draining = true;
- var docEl = doc.documentElement;
+ var len = queue.length;
+ while(len) {
+ currentQueue = queue;
+ queue = [];
+ while (++queueIndex < len) {
+ if (currentQueue) {
+ currentQueue[queueIndex].run();
+ }
+ }
+ queueIndex = -1;
+ len = queue.length;
+ }
+ currentQueue = null;
+ draining = false;
+ runClearTimeout(timeout);
+}
- fn.extend({
- position: function () {
- var el = this[0];
- return {
- left: el.offsetLeft,
- top: el.offsetTop
- };
- },
+process.nextTick = function (fun) {
+ var args = new Array(arguments.length - 1);
+ if (arguments.length > 1) {
+ for (var i = 1; i < arguments.length; i++) {
+ args[i - 1] = arguments[i];
+ }
+ }
+ queue.push(new Item(fun, args));
+ if (queue.length === 1 && !draining) {
+ runTimeout(drainQueue);
+ }
+};
- offset: function () {
- var rect = this[0].getBoundingClientRect();
- return {
- top: rect.top + win.pageYOffset - docEl.clientTop,
- left: rect.left + win.pageXOffset - docEl.clientLeft
- };
- },
+// v8 likes predictible objects
+function Item(fun, array) {
+ this.fun = fun;
+ this.array = array;
+}
+Item.prototype.run = function () {
+ this.fun.apply(null, this.array);
+};
+process.title = 'browser';
+process.browser = true;
+process.env = {};
+process.argv = [];
+process.version = ''; // empty string to avoid regexp issues
+process.versions = {};
- offsetParent: function () {
- return cash(this[0].offsetParent);
- }
+function noop() {}
- });
+process.on = noop;
+process.addListener = noop;
+process.once = noop;
+process.off = noop;
+process.removeListener = noop;
+process.removeAllListeners = noop;
+process.emit = noop;
+process.prependListener = noop;
+process.prependOnceListener = noop;
- fn.extend({
- children: function (selector) {
- var elems = [];
- this.each(function (el) {
- push.apply(elems, el.children);
- });
- elems = unique(elems);
+process.listeners = function (name) { return [] }
- return (!selector ? elems : elems.filter(function (v) {
- return matches(v, selector);
- }));
- },
+process.binding = function (name) {
+ throw new Error('process.binding is not supported');
+};
- closest: function (selector) {
- if (!selector || this.length < 1) {
- return cash();
- }
- if (this.is(selector)) {
- return this.filter(selector);
- }
- return this.parent().closest(selector);
- },
+process.cwd = function () { return '/' };
+process.chdir = function (dir) {
+ throw new Error('process.chdir is not supported');
+};
+process.umask = function() { return 0; };
- is: function (selector) {
- if (!selector) {
- return false;
- }
- var match = false, comparator = getCompareFunction(selector);
+/***/ }),
- this.each(function (el) {
- match = comparator(el, selector);
- return !match;
- });
+/***/ "./node_modules/promise-polyfill/src/finally.js":
+/*!******************************************************!*\
+ !*** ./node_modules/promise-polyfill/src/finally.js ***!
+ \******************************************************/
+/*! exports provided: default */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
- return match;
- },
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/**
+ * @this {Promise}
+ */
+function finallyConstructor(callback) {
+ var constructor = this.constructor;
+ return this.then(function (value) {
+ // @ts-ignore
+ return constructor.resolve(callback()).then(function () {
+ return value;
+ });
+ }, function (reason) {
+ // @ts-ignore
+ return constructor.resolve(callback()).then(function () {
+ // @ts-ignore
+ return constructor.reject(reason);
+ });
+ });
+}
- find: function (selector) {
- if (!selector || selector.nodeType) {
- return cash(selector && this.has(selector).length ? selector : null);
- }
+/* harmony default export */ __webpack_exports__["default"] = (finallyConstructor);
- var elems = [];
- this.each(function (el) {
- push.apply(elems, find(selector, el));
- });
+/***/ }),
- return unique(elems);
- },
+/***/ "./node_modules/promise-polyfill/src/index.js":
+/*!****************************************************!*\
+ !*** ./node_modules/promise-polyfill/src/index.js ***!
+ \****************************************************/
+/*! exports provided: default */
+/***/ (function(module, __webpack_exports__, __webpack_require__) {
- has: function (selector) {
- var comparator = (isString(selector) ? function (el) {
- return find(selector, el).length !== 0;
- } : function (el) {
- return el.contains(selector);
- });
+"use strict";
+__webpack_require__.r(__webpack_exports__);
+/* WEBPACK VAR INJECTION */(function(setImmediate) {/* harmony import */ var _finally__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! ./finally */ "./node_modules/promise-polyfill/src/finally.js");
+ // Store setTimeout reference so promise-polyfill will be unaffected by
+// other code modifying setTimeout (like sinon.useFakeTimers())
- return this.filter(comparator);
- },
+var setTimeoutFunc = setTimeout;
- next: function () {
- return cash(this[0].nextElementSibling);
- },
+function isArray(x) {
+ return Boolean(x && typeof x.length !== 'undefined');
+}
- not: function (selector) {
- if (!selector) {
- return this;
- }
+function noop() {} // Polyfill for Function.prototype.bind
- var comparator = getCompareFunction(selector);
- return this.filter(function (el) {
- return !comparator(el, selector);
- });
- },
+function bind(fn, thisArg) {
+ return function () {
+ fn.apply(thisArg, arguments);
+ };
+}
+/**
+ * @constructor
+ * @param {Function} fn
+ */
- parent: function () {
- var result = [];
- this.each(function (item) {
- if (item && item.parentNode) {
- result.push(item.parentNode);
- }
- });
+function Promise(fn) {
+ if (!(this instanceof Promise)) throw new TypeError('Promises must be constructed via new');
+ if (typeof fn !== 'function') throw new TypeError('not a function');
+ /** @type {!number} */
- return unique(result);
- },
+ this._state = 0;
+ /** @type {!boolean} */
- parents: function (selector) {
- var last, result = [];
+ this._handled = false;
+ /** @type {Promise|undefined} */
- this.each(function (item) {
- last = item;
+ this._value = undefined;
+ /** @type {!Array} */
- while (last && last.parentNode && last !== doc.body.parentNode) {
- last = last.parentNode;
+ this._deferreds = [];
+ doResolve(fn, this);
+}
- if (!selector || (selector && matches(last, selector))) {
- result.push(last);
- }
- }
- });
+function handle(self, deferred) {
+ while (self._state === 3) {
+ self = self._value;
+ }
- return unique(result);
- },
+ if (self._state === 0) {
+ self._deferreds.push(deferred);
- prev: function () {
- return cash(this[0].previousElementSibling);
- },
+ return;
+ }
- siblings: function () {
- var collection = this.parent().children(), el = this[0];
+ self._handled = true;
- return collection.filter(function (i) {
- return i !== el;
- });
+ Promise._immediateFn(function () {
+ var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected;
+
+ if (cb === null) {
+ (self._state === 1 ? resolve : reject)(deferred.promise, self._value);
+ return;
+ }
+
+ var ret;
+
+ try {
+ ret = cb(self._value);
+ } catch (e) {
+ reject(deferred.promise, e);
+ return;
}
+ resolve(deferred.promise, ret);
});
+}
+function resolve(self, newValue) {
+ try {
+ // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure
+ if (newValue === self) throw new TypeError('A promise cannot be resolved with itself.');
- return cash;
-});
+ if (newValue && (typeof newValue === 'object' || typeof newValue === 'function')) {
+ var then = newValue.then;
-/***/ }),
-/* 10 */
-/***/ (function(module, exports, __webpack_require__) {
+ if (newValue instanceof Promise) {
+ self._state = 3;
+ self._value = newValue;
+ finale(self);
+ return;
+ } else if (typeof then === 'function') {
+ doResolve(bind(then, newValue), self);
+ return;
+ }
+ }
-"use strict";
+ self._state = 1;
+ self._value = newValue;
+ finale(self);
+ } catch (e) {
+ reject(self, e);
+ }
+}
+function reject(self, newValue) {
+ self._state = 2;
+ self._value = newValue;
+ finale(self);
+}
-var _underscore = __webpack_require__(1);
+function finale(self) {
+ if (self._state === 2 && self._deferreds.length === 0) {
+ Promise._immediateFn(function () {
+ if (!self._handled) {
+ Promise._unhandledRejectionFn(self._value);
+ }
+ });
+ }
-var Selector = __webpack_require__(7);
+ for (var i = 0, len = self._deferreds.length; i < len; i++) {
+ handle(self, self._deferreds[i]);
+ }
-module.exports = __webpack_require__(0).Collection.extend({
- model: Selector,
+ self._deferreds = null;
+}
+/**
+ * @constructor
+ */
- getStyleable: function getStyleable() {
- return (0, _underscore.filter)(this.models, function (item) {
- return item.get('active') && !item.get('private');
- });
- },
- getValid: function getValid() {
- return (0, _underscore.filter)(this.models, function (item) {
- return !item.get('private');
- });
- },
- getFullString: function getFullString(collection) {
- var result = [];
- var coll = collection || this;
- coll.forEach(function (selector) {
- return result.push(selector.getFullName());
+
+function Handler(onFulfilled, onRejected, promise) {
+ this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
+ this.onRejected = typeof onRejected === 'function' ? onRejected : null;
+ this.promise = promise;
+}
+/**
+ * Take a potentially misbehaving resolver function and make sure
+ * onFulfilled and onRejected are only called once.
+ *
+ * Makes no guarantees about asynchrony.
+ */
+
+
+function doResolve(fn, self) {
+ var done = false;
+
+ try {
+ fn(function (value) {
+ if (done) return;
+ done = true;
+ resolve(self, value);
+ }, function (reason) {
+ if (done) return;
+ done = true;
+ reject(self, reason);
});
- return result.join('').trim();
+ } catch (ex) {
+ if (done) return;
+ done = true;
+ reject(self, ex);
}
-});
+}
-/***/ }),
-/* 11 */
-/***/ (function(module, exports, __webpack_require__) {
+Promise.prototype['catch'] = function (onRejected) {
+ return this.then(null, onRejected);
+};
-"use strict";
+Promise.prototype.then = function (onFulfilled, onRejected) {
+ // @ts-ignore
+ var prom = new this.constructor(noop);
+ handle(this, new Handler(onFulfilled, onRejected, prom));
+ return prom;
+};
+Promise.prototype['finally'] = _finally__WEBPACK_IMPORTED_MODULE_0__["default"];
-var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+Promise.all = function (arr) {
+ return new Promise(function (resolve, reject) {
+ if (!isArray(arr)) {
+ return reject(new TypeError('Promise.all accepts an array'));
+ }
-var _TypeableCollection = __webpack_require__(32);
+ var args = Array.prototype.slice.call(arr);
+ if (args.length === 0) return resolve([]);
+ var remaining = args.length;
-var _TypeableCollection2 = _interopRequireDefault(_TypeableCollection);
+ function res(i, val) {
+ try {
+ if (val && (typeof val === 'object' || typeof val === 'function')) {
+ var then = val.then;
-function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+ if (typeof then === 'function') {
+ then.call(val, function (val) {
+ res(i, val);
+ }, reject);
+ return;
+ }
+ }
-var Property = __webpack_require__(12);
+ args[i] = val;
-module.exports = __webpack_require__(0).Collection.extend(_TypeableCollection2.default).extend({
- types: [{
- id: 'stack',
- model: __webpack_require__(121),
- view: __webpack_require__(34),
- isType: function isType(value) {
- if (value && value.type == 'stack') {
- return value;
- }
- }
- }, {
- id: 'composite',
- model: __webpack_require__(33),
- view: __webpack_require__(17),
- isType: function isType(value) {
- if (value && value.type == 'composite') {
- return value;
- }
- }
- }, {
- id: 'file',
- model: Property,
- view: __webpack_require__(40),
- isType: function isType(value) {
- if (value && value.type == 'file') {
- return value;
- }
- }
- }, {
- id: 'color',
- model: Property,
- view: __webpack_require__(38),
- isType: function isType(value) {
- if (value && value.type == 'color') {
- return value;
- }
- }
- }, {
- id: 'select',
- model: __webpack_require__(41),
- view: __webpack_require__(37),
- isType: function isType(value) {
- if (value && value.type == 'select') {
- return value;
- }
- }
- }, {
- id: 'radio',
- model: __webpack_require__(41),
- view: __webpack_require__(36),
- isType: function isType(value) {
- if (value && value.type == 'radio') {
- return value;
+ if (--remaining === 0) {
+ resolve(args);
+ }
+ } catch (ex) {
+ reject(ex);
}
}
- }, {
- id: 'slider',
- model: __webpack_require__(127),
- view: __webpack_require__(128),
- isType: function isType(value) {
- if (value && value.type == 'slider') {
- return value;
- }
+
+ for (var i = 0; i < args.length; i++) {
+ res(i, args[i]);
}
- }, {
- id: 'integer',
- model: __webpack_require__(42),
- view: __webpack_require__(14),
- isType: function isType(value) {
- if (value && value.type == 'integer') {
- return value;
- }
+ });
+};
+
+Promise.resolve = function (value) {
+ if (value && typeof value === 'object' && value.constructor === Promise) {
+ return value;
+ }
+
+ return new Promise(function (resolve) {
+ resolve(value);
+ });
+};
+
+Promise.reject = function (value) {
+ return new Promise(function (resolve, reject) {
+ reject(value);
+ });
+};
+
+Promise.race = function (arr) {
+ return new Promise(function (resolve, reject) {
+ if (!isArray(arr)) {
+ return reject(new TypeError('Promise.race accepts an array'));
}
- }, {
- id: 'base',
- model: Property,
- view: __webpack_require__(5),
- isType: function isType(value) {
- value.type = 'base';
- return value;
+
+ for (var i = 0, len = arr.length; i < len; i++) {
+ Promise.resolve(arr[i]).then(resolve, reject);
}
- }],
+ });
+}; // Use polyfill for setImmediate for performance gains
- deepClone: function deepClone() {
- var collection = this.clone();
- collection.reset(collection.map(function (model) {
- var cloned = model.clone();
- cloned.typeView = model.typeView;
- return cloned;
- }));
- return collection;
- },
+Promise._immediateFn = // @ts-ignore
+typeof setImmediate === 'function' && function (fn) {
+ // @ts-ignore
+ setImmediate(fn);
+} || function (fn) {
+ setTimeoutFunc(fn, 0);
+};
- /**
- * Parse a value and return an array splitted by properties
- * @param {string} value
- * @return {Array}
- * @return
- */
- parseValue: function parseValue(value) {
- var _this = this;
+Promise._unhandledRejectionFn = function _unhandledRejectionFn(err) {
+ if (typeof console !== 'undefined' && console) {
+ console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console
+ }
+};
- var properties = [];
- var values = value.split(' ');
- values.forEach(function (value, i) {
- var property = _this.at(i);
- properties.push(_extends({}, property.attributes, { value: value }));
- });
- return properties;
- },
- getFullValue: function getFullValue() {
- var result = '';
- this.each(function (model) {
- return result += model.getFullValue() + ' ';
- });
- return result.trim();
- }
-});
+/* harmony default export */ __webpack_exports__["default"] = (Promise);
+/* WEBPACK VAR INJECTION */}.call(this, __webpack_require__(/*! ./../../timers-browserify/main.js */ "./node_modules/timers-browserify/main.js").setImmediate))
/***/ }),
-/* 12 */
+
+/***/ "./node_modules/setimmediate/setImmediate.js":
+/*!***************************************************!*\
+ !*** ./node_modules/setimmediate/setImmediate.js ***!
+ \***************************************************/
+/*! no static exports found */
/***/ (function(module, exports, __webpack_require__) {
-"use strict";
+/* WEBPACK VAR INJECTION */(function(global, process) {(function (global, undefined) {
+ "use strict";
+ if (global.setImmediate) {
+ return;
+ }
-var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };
+ var nextHandle = 1; // Spec says greater than zero
+ var tasksByHandle = {};
+ var currentlyRunningATask = false;
+ var doc = global.document;
+ var registerImmediate;
-module.exports = __webpack_require__(0).Model.extend({
+ function setImmediate(callback) {
+ // Callback can either be a function or a string
+ if (typeof callback !== "function") {
+ callback = new Function("" + callback);
+ }
+ // Copy function arguments
+ var args = new Array(arguments.length - 1);
+ for (var i = 0; i < args.length; i++) {
+ args[i] = arguments[i + 1];
+ }
+ // Store and register the task
+ var task = { callback: callback, args: args };
+ tasksByHandle[nextHandle] = task;
+ registerImmediate(nextHandle);
+ return nextHandle++;
+ }
- defaults: {
- name: '',
- property: '',
- type: '',
- defaults: '',
- info: '',
- value: '',
- icon: '',
- functionName: '',
- status: '',
- visible: true,
- fixedValues: ['initial', 'inherit'],
+ function clearImmediate(handle) {
+ delete tasksByHandle[handle];
+ }
- // If true, will be hidden by default and will show up only for targets
- // which require this property (via `stylable-require`)
- // Use case:
- // you can add all SVG CSS properties with toRequire as true
- // and then require them on SVG Components
- toRequire: 0
- },
+ function run(task) {
+ var callback = task.callback;
+ var args = task.args;
+ switch (args.length) {
+ case 0:
+ callback();
+ break;
+ case 1:
+ callback(args[0]);
+ break;
+ case 2:
+ callback(args[0], args[1]);
+ break;
+ case 3:
+ callback(args[0], args[1], args[2]);
+ break;
+ default:
+ callback.apply(undefined, args);
+ break;
+ }
+ }
- initialize: function initialize(opt) {
- var o = opt || {};
- var name = this.get('name');
- var prop = this.get('property');
+ function runIfPresent(handle) {
+ // From the spec: "Wait until any invocations of this algorithm started before this one have completed."
+ // So if we're currently running a task, we'll need to delay this invocation.
+ if (currentlyRunningATask) {
+ // Delay by doing a setTimeout. setImmediate was tried instead, but in Firefox 7 it generated a
+ // "too much recursion" error.
+ setTimeout(runIfPresent, 0, handle);
+ } else {
+ var task = tasksByHandle[handle];
+ if (task) {
+ currentlyRunningATask = true;
+ try {
+ run(task);
+ } finally {
+ clearImmediate(handle);
+ currentlyRunningATask = false;
+ }
+ }
+ }
+ }
- if (!name) {
- this.set('name', prop.charAt(0).toUpperCase() + prop.slice(1).replace(/-/g, ' '));
+ function installNextTickImplementation() {
+ registerImmediate = function(handle) {
+ process.nextTick(function () { runIfPresent(handle); });
+ };
}
- var init = this.init && this.init.bind(this);
- init && init();
- },
+ function canUsePostMessage() {
+ // The test against `importScripts` prevents this implementation from being installed inside a web worker,
+ // where `global.postMessage` means something completely different and can't be used for this purpose.
+ if (global.postMessage && !global.importScripts) {
+ var postMessageIsAsynchronous = true;
+ var oldOnMessage = global.onmessage;
+ global.onmessage = function() {
+ postMessageIsAsynchronous = false;
+ };
+ global.postMessage("", "*");
+ global.onmessage = oldOnMessage;
+ return postMessageIsAsynchronous;
+ }
+ }
+
+ function installPostMessageImplementation() {
+ // Installs an event handler on `global` for the `message` event: see
+ // * https://developer.mozilla.org/en/DOM/window.postMessage
+ // * http://www.whatwg.org/specs/web-apps/current-work/multipage/comms.html#crossDocumentMessages
+ var messagePrefix = "setImmediate$" + Math.random() + "$";
+ var onGlobalMessage = function(event) {
+ if (event.source === global &&
+ typeof event.data === "string" &&
+ event.data.indexOf(messagePrefix) === 0) {
+ runIfPresent(+event.data.slice(messagePrefix.length));
+ }
+ };
- /**
- * Update value
- * @param {any} value
- * @param {Boolen} [complete=true] Indicates if it's a final state
- * @param {Object} [opts={}] Options
- */
- setValue: function setValue(value) {
- var complete = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
- var opts = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
+ if (global.addEventListener) {
+ global.addEventListener("message", onGlobalMessage, false);
+ } else {
+ global.attachEvent("onmessage", onGlobalMessage);
+ }
- var parsed = this.parseValue(value);
- this.set(parsed, _extends({}, opts, { avoidStore: 1 }));
+ registerImmediate = function(handle) {
+ global.postMessage(messagePrefix + handle, "*");
+ };
+ }
- // It's important to set an empty value, otherwise the
- // UndoManager won't see the change
- if (complete) {
- this.set('value', '', opts);
- this.set(parsed, opts);
+ function installMessageChannelImplementation() {
+ var channel = new MessageChannel();
+ channel.port1.onmessage = function(event) {
+ var handle = event.data;
+ runIfPresent(handle);
+ };
+
+ registerImmediate = function(handle) {
+ channel.port2.postMessage(handle);
+ };
}
- },
+ function installReadyStateChangeImplementation() {
+ var html = doc.documentElement;
+ registerImmediate = function(handle) {
+ // Create a ' : '';
- return html;
- },
+/* harmony default export */ __webpack_exports__["default"] = (function () {
+ var c = {};
+ var devices, view;
+ return {
+ /**
+ * Name of the module
+ * @type {String}
+ * @private
+ */
+ name: 'DeviceManager',
+ /**
+ * Initialize module. Automatically called with a new instance of the editor
+ * @param {Object} config Configurations
+ * @param {Array