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(window.webpackJsonp=window.webpackJsonp||[]).push([[83],{449:function(t,s,a){"use strict";a.r(s);var n=a(14),e=Object(n.a)({},(function(){var t=this,s=t._self._c;return s("ContentSlotsDistributor",{attrs:{"slot-key":t.$parent.slotKey}},[s("h1",{attrs:{id:"commands"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#commands"}},[t._v("#")]),t._v(" Commands")]),t._v(" "),s("p",[t._v("A basic command in GrapesJS it's a simple function, but you will see in this guide how powerful they can be. The main goal of the Command module is to centralize functions and be easily reused across the editor. Another big advantage of using commands is the ability to track them, extend or even interrupt beside some conditions.")]),t._v(" "),s("div",{staticClass:"custom-block warning"},[s("p",{staticClass:"custom-block-title"},[t._v("WARNING")]),t._v(" "),s("p",[t._v("This guide is referring to GrapesJS v0.14.61 or higher")])]),t._v(" "),s("p"),s("div",{staticClass:"table-of-contents"},[s("ul",[s("li",[s("a",{attrs:{href:"#basic-configuration"}},[t._v("Basic configuration")])]),s("li",[s("a",{attrs:{href:"#default-commands"}},[t._v("Default commands")])]),s("li",[s("a",{attrs:{href:"#stateful-commands"}},[t._v("Stateful commands")])]),s("li",[s("a",{attrs:{href:"#extending"}},[t._v("Extending")])]),s("li",[s("a",{attrs:{href:"#events"}},[t._v("Events")]),s("ul",[s("li",[s("a",{attrs:{href:"#intercept-run-and-stop"}},[t._v("Intercept run and stop")])]),s("li",[s("a",{attrs:{href:"#interrupt-command-flow"}},[t._v("Interrupt command flow")])])])]),s("li",[s("a",{attrs:{href:"#conclusion"}},[t._v("Conclusion")])])])]),s("p"),t._v(" "),s("h2",{attrs:{id:"basic-configuration"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#basic-configuration"}},[t._v("#")]),t._v(" Basic configuration")]),t._v(" "),s("p",[t._v("You can create your commands already from the initialization step by passing them in the "),s("code",[t._v("commands.defaults")]),t._v(" options:")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("const")]),t._v(" editor "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" grapesjs"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("init")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n 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"),s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/master/src/commands/config/config.ts",target:"_blank",rel:"noopener noreferrer"}},[t._v("configuration source file"),s("OutboundLink")],1),t._v(".")]),t._v(" "),s("p",[t._v("Most commonly commands are created dynamically post-initialization, in that case, you'll need to use the "),s("RouterLink",{attrs:{to:"/api/commands.html"}},[t._v("Commands API")]),t._v(" (eg. this is what you need if you create a plugin)")],1),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("const")]),t._v(" commands "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\ncommands"),s("span",{pre:!0,attrs:{class:"token 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"),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This is my command'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("As you see the definition is quite easy, you just add an ID and the callback function. The "),s("RouterLink",{attrs:{to:"/api/editor.html"}},[t._v("Editor")]),t._v(" instance is passed as the first argument to the callback so you can access any other module or API method.")],1),t._v(" "),s("p",[t._v("Now if you want to call that command you should just run this")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("runCommand")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-id'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("div",{staticClass:"custom-block tip"},[s("p",{staticClass:"custom-block-title"},[t._v("TIP")]),t._v(" "),s("p",[t._v("The method "),s("code",[t._v("editor.runCommand")]),t._v(" is an alias of "),s("code",[t._v("editor.Commands.run")])])]),t._v(" "),s("p",[t._v("You could also pass options if you need")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("runCommand")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-id'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("some")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'option'")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("Then you can get the same object as a third argument of the callback.")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-id'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" sender"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" options "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token template-string"}},[s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("This is my command ")]),s("span",{pre:!0,attrs:{class:"token interpolation"}},[s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("${")]),t._v("options"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("some"),s("span",{pre:!0,attrs:{class:"token interpolation-punctuation punctuation"}},[t._v("}")])]),s("span",{pre:!0,attrs:{class:"token template-punctuation string"}},[t._v("`")])]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("The second argument, "),s("code",[t._v("sender")]),t._v(", just indicates who requested the command, in our case will be always the "),s("code",[t._v("editor")])]),t._v(" "),s("p",[t._v("Until now there is nothing exciting except a common entry point for functions, but we'll see later its real advantages.")]),t._v(" "),s("h2",{attrs:{id:"default-commands"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#default-commands"}},[t._v("#")]),t._v(" Default commands")]),t._v(" "),s("p",[t._v("GrapesJS comes along with some default set of commands and you can get a list of all currently available commands via "),s("code",[t._v("editor.Commands.getAll()")]),t._v(". This will give you an object of all available commands, so, also those added later, like via plugins. You can recognize default commands by their namespace "),s("code",[t._v("core:*")]),t._v(", we also recommend to use namespaces in your own custom commands, but let's get a look more in detail here:")]),t._v(" "),s("ul",[s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/CanvasClear.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:canvas-clear")]),s("OutboundLink")],1),t._v(" - Clear all the content from the canvas (HTML and CSS)")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ComponentDelete.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-delete")]),s("OutboundLink")],1),t._v(" - Delete a component")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ComponentEnter.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-enter")]),s("OutboundLink")],1),t._v(" - Select the first children component of the selected one")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ComponentExit.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-exit")]),s("OutboundLink")],1),t._v(" - Select the parent component of the current selected one")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ComponentNext.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-next")]),s("OutboundLink")],1),t._v(" - Select the next sibling component")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ComponentPrev.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-prev")]),s("OutboundLink")],1),t._v(" - Select the previous sibling component")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/SwitchVisibility.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-outline")]),s("OutboundLink")],1),t._v(" - Enable outline border on components")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ShowOffset.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-offset")]),s("OutboundLink")],1),t._v(" - Enable components offset (margins, paddings)")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/SelectComponent.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:component-select")]),s("OutboundLink")],1),t._v(" - Enable the process of selecting components in the canvas")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/CopyComponent.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:copy")]),s("OutboundLink")],1),t._v(" - Copy the current selected component")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/PasteComponent.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:paste")]),s("OutboundLink")],1),t._v(" - Paste copied component")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/Preview.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:preview")]),s("OutboundLink")],1),t._v(" - Show the preview of the template in canvas")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/Fullscreen.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:fullscreen")]),s("OutboundLink")],1),t._v(" - Set the editor fullscreen")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/ExportTemplate.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-code")]),s("OutboundLink")],1),t._v(" - Open a default panel with the template code")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/OpenLayers.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-layers")]),s("OutboundLink")],1),t._v(" - Open a default panel with layers")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/OpenStyleManager.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-styles")]),s("OutboundLink")],1),t._v(" - Open a default panel with the style manager")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/OpenTraitManager.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-traits")]),s("OutboundLink")],1),t._v(" - Open a default panel with the trait manager")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/OpenBlocks.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-blocks")]),s("OutboundLink")],1),t._v(" - Open a default panel with the blocks")]),t._v(" "),s("li",[s("a",{attrs:{href:"https://github.com/GrapesJS/grapesjs/blob/dev/src/commands/view/OpenAssets.ts",target:"_blank",rel:"noopener noreferrer"}},[s("code",[t._v("core:open-assets")]),s("OutboundLink")],1),t._v(" - Open a default panel with the assets")]),t._v(" "),s("li",[s("code",[t._v("core:undo")]),t._v(" - Call undo operation")]),t._v(" "),s("li",[s("code",[t._v("core:redo")]),t._v(" - Call redo operation\n")])]),t._v(" "),s("h2",{attrs:{id:"stateful-commands"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#stateful-commands"}},[t._v("#")]),t._v(" Stateful commands")]),t._v(" "),s("p",[t._v("As we've already seen the command is just a function and once executed nothing is left behind, but in some cases, we'd like to keep a track of executed commands. GrapesJS can handle by default this case and to enable it you just need to declare a command as an object with the "),s("code",[t._v("run")]),t._v(" and "),s("code",[t._v("stop")]),t._v(" methods")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-state'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This command is now active'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("stop")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This command is disabled'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("So if we now run "),s("code",[t._v("editor.runCommand('my-command-state')")]),t._v(" the command will be registered as active. To check the state of the command you can use "),s("code",[t._v("commands.isActive('my-command-state')")]),t._v(" or you can even get the list of all active commands via "),s("code",[t._v("commands.getActive()")]),t._v(", in our case the result would be something like this")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token string-property property"}},[t._v("'my-command-state'")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("undefined")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n")])])]),s("p",[t._v("The key of the result object tells you the active command, the value is the last return of the "),s("code",[t._v("run")]),t._v(" command, in our case is "),s("code",[t._v("undefined")]),t._v(" because we didn't return anything, but it's up to your implementation decide what to return and if you actually need it.")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// Let's return something")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This command is now active'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("return")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("activated")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("new")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token class-name"}},[t._v("Date")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token comment"}},[t._v("// Now instead of the `undefined` you'll see the object from the run method")]),t._v("\n")])])]),s("p",[t._v("To disable the command use "),s("code",[t._v("editor.stopCommand")]),t._v(" method, so in our case it'll be "),s("code",[t._v("editor.stopCommand('my-command-state')")]),t._v(". As for the "),s("code",[t._v("runCommand")]),t._v(" you can pass an options object as a second argument and use them in your "),s("code",[t._v("stop")]),t._v(" method.")]),t._v(" "),s("p",[t._v("Once the command is active, if you try to run "),s("code",[t._v("editor.runCommand('my-command-state')")]),t._v(" again you'll notice that the "),s("code",[t._v("run")]),t._v(" is not triggering. This behavior is useful to prevent executing multiple times the activation process which might lead to an inconsistent state (think about, for instance, having a counter, which should be increased on "),s("code",[t._v("run")]),t._v(" and decreased on "),s("code",[t._v("stop")]),t._v("). If you need to run a command multiple times probably you're dealing with a not stateful command, so try to use it without the "),s("code",[t._v("stop")]),t._v(" method, but in case you're aware of your application state you can actually force the execution with "),s("code",[t._v("editor.runCommand('my-command-state', { force: true })")]),t._v(". The same logic applies to the "),s("code",[t._v("stopCommand")]),t._v(" method.")]),t._v(" "),s("br"),t._v(" "),s("div",{staticClass:"custom-block danger"},[s("p",{staticClass:"custom-block-title"},[t._v("WARNING")]),t._v(" "),s("p")]),t._v(" "),s("p",[t._v("If you deal with UI in your stateful commands, be careful to keep the state coherent with your logic. Let's take, for example, the use of a modal as an indicator of the command state.")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-modal'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Modal"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("open")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("title")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'Modal example'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("content")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'My content'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("stop")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Modal"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("close")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("If you run it, close the modal (eg. by clicking the 'x' on top) and then try to run it again you'll see that the modal is not opening anymore. This happens because the command is still active (you should see it in "),s("code",[t._v("commands.getActive()")]),t._v(") and to fix it you have to disable it once the modal is closed.")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("run")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n editor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("Modal"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("open")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("title")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'Modal example'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token literal-property property"}},[t._v("content")]),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v(":")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'My content'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("onceClose")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("this")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("stopCommand")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("...")]),t._v("\n")])])]),s("p",[t._v("In the example above, we make use of few helper methods from the Modal module ("),s("code",[t._v("onceClose")]),t._v(") and the command itself ("),s("code",[t._v("stopCommand")]),t._v(") but obviously, the logic might be different due to your requirements and specific UI.")]),t._v(" "),s("h2",{attrs:{id:"extending"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#extending"}},[t._v("#")]),t._v(" Extending")]),t._v(" "),s("p",[t._v("Another big advantage of commands is the possibility to easily extend or override them with another command.\nLet's take a simple example")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-1'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This is command 1'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("p",[t._v("If you need to overwrite this command with another one, just add it and keep the same id.")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[t._v("commands"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("add")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'my-command-1'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("editor")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("alert")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'This is command 1 overwritten'")]),s("span",{pre:!0,attrs:{class:"token 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In that case, you have to use "),s("code",[t._v("command:run:before:{COMMAND-ID}")]),t._v(" event and set to "),s("code",[t._v("true")]),t._v(" the abort option")]),t._v(" "),s("div",{staticClass:"language-js extra-class"},[s("pre",{pre:!0,attrs:{class:"language-js"}},[s("code",[s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("const")]),t._v(" condition "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token number"}},[t._v("1")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n\neditor"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("on")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'command:run:before:my-command-modal'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(",")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token parameter"}},[t._v("options")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=>")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token keyword"}},[t._v("if")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),t._v("condition"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("{")]),t._v("\n options"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),t._v("abort "),s("span",{pre:!0,attrs:{class:"token operator"}},[t._v("=")]),t._v(" "),s("span",{pre:!0,attrs:{class:"token boolean"}},[t._v("true")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n console"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(".")]),s("span",{pre:!0,attrs:{class:"token function"}},[t._v("log")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("(")]),s("span",{pre:!0,attrs:{class:"token string"}},[t._v("'Prevent `my-command-modal` from execution'")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n "),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),t._v("\n"),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v("}")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(")")]),s("span",{pre:!0,attrs:{class:"token punctuation"}},[t._v(";")]),t._v("\n")])])]),s("h2",{attrs:{id:"conclusion"}},[s("a",{staticClass:"header-anchor",attrs:{href:"#conclusion"}},[t._v("#")]),t._v(" Conclusion")]),t._v(" "),s("p",[t._v("The Commands module is quite simple but, at the same time, really powerful if used correctly. So, if you're creating a plugin for GrapesJS, use commands as much as possible, this will allow higher reusability and control over your logic.")])])}),[],!1,null,null,null);s.default=e.exports}}]);