Refactor SelectorManager

src/selector_manager/config/config.js

@@ -9,7 +9,7 @@ export default {
   // Default selectors
   selectors: [],
 
-  // States
+  // Default states
   states: [{ name: 'hover' }, { name: 'active' }, { name: 'nth-of-type(2n)' }],
 
   // Custom selector name escaping strategy, eg.

src/selector_manager/index.js

@@ -61,7 +61,7 @@
  * @module SelectorManager
  */
 
-import { isString, isElement, isObject, isArray } from 'underscore';
+import { isString, debounce, isObject, isArray, isEmpty } from 'underscore';
 import { isComponent, isRule } from 'utils/mixins';
 import { Model } from 'common';
 import Module from 'common/module';
@@ -119,13 +119,37 @@ export default () => {
 
       // Global selectors container
       this.all = new Selectors(config.selectors);
+      this.selected = new Selectors([], { em, config });
       this.model = new Model({ _undo: true });
       this.__initListen();
       em.on('change:state', (m, value) => em.trigger('selector:state', value));
+      const listenTo =
+        'component:toggled component:update:classes styleManager:update change:state';
+      this.model.listenTo(em, listenTo, () => this.__update());
 
       return this;
     },
 
+    __update: debounce(function() {
+      this.__trgCustom();
+    }),
+
+    __trgCustom() {
+      this.em.trigger(this.events.custom, this.__customData());
+    },
+
+    __customData() {
+      const common = this.__getCommon();
+      return {
+        sm: this,
+        common,
+        states: this.getStates(),
+        selected: this.getSelected(),
+        add: prop => this.__addToCommon(prop), // add selector to common selection
+        remove: '' // remove selector from selection
+      };
+    },
+
     // postLoad() {
     //   this.__postLoad();
     //   const { em, model } = this;
@@ -136,6 +160,7 @@ export default () => {
 
     postRender() {
       this.__appendTo();
+      this.__trgCustom();
     },
 
     select(value, opts = {}) {
@@ -155,6 +180,10 @@ export default () => {
       return this;
     },
 
+    getSelected() {
+      return this.em.get('StyleManager').getTargets();
+    },
+
     addSelector(name, opts = {}, cOpts = {}) {
       let props = { ...opts };
 
@@ -296,13 +325,22 @@ export default () => {
     },
 
     /**
-     * Get the current selector state
+     * Get the current selector state value
      * @returns {String}
      */
     getState() {
       return this.em.getState();
     },
 
+    /**
+     * Get states
+     * @returns {Array<State>}
+     * @private
+     */
+    getStates() {
+      return this.config.states;
+    },
+
     /**
      * Get all selectors
      * @name getAll
@@ -331,9 +369,11 @@ export default () => {
       const { em, selectorTags } = this;
       const config = this.getConfig();
       const el = selectorTags && selectorTags.el;
+      this.selected.reset(selectors);
       this.selectorTags = new ClassTagsView({
         el,
-        collection: new Selectors(selectors || [], { em, config }),
+        collection: this.selected,
+        module: this,
         config
       });
 
@@ -341,13 +381,75 @@ export default () => {
     },
 
     destroy() {
-      const { selectorTags } = this;
+      const { selectorTags, model } = this;
       const all = this.getAll();
+      model.stopListening();
       all.stopListening();
       all.reset();
       selectorTags && selectorTags.remove();
       this.em = {};
       this.selectorTags = {};
+    },
+
+    // __toSync(common = []) {
+    //   const cmpFirst = this.getConfig().componentFirst;
+    //   const cmp = this.em.getSelected();
+    //   let result = null;
+
+    //   if (cmp && cmpFirst && common.length) {
+    //     const style = cmp.getStyle();
+    //     result = !isEmpty(style) ? style : null;
+    //   }
+
+    //   return result;
+    // },
+
+    /**
+     * Get common selectors from the current selection.
+     * @return {Array<Selector>}
+     * @private
+     */
+    __getCommon() {
+      return this.__getCommonSelectors(this.em.getSelectedAll());
+    },
+
+    __getCommonSelectors(components, opts = {}) {
+      const selectors = components
+        .map(cmp => cmp.getSelectors && cmp.getSelectors().getValid(opts))
+        .filter(Boolean);
+      return this.__common(...selectors);
+    },
+
+    __common(...args) {
+      if (!args.length) return [];
+      if (args.length === 1) return args[0];
+      if (args.length === 2)
+        return args[0].filter(item => args[1].indexOf(item) >= 0);
+
+      return args
+        .slice(1)
+        .reduce((acc, item) => this.__common(acc, item), args[0]);
+    },
+
+    getSelected() {
+      return [...this.selected.models];
+    },
+
+    addSelected(props) {
+      const added = this.add(props);
+      // TODO: target should be the one from StyleManager
+      this.em.getSelectedAll().forEach(target => {
+        target.getSelectors().add(added);
+      });
+      // TODO: update selected collection
+    },
+
+    removeSelected(selector) {
+      this.em.getSelectedAll().forEach(trg => {
+        !selector.get('protected') &&
+          trg &&
+          trg.getSelectors().remove(selector);
+      });
     }
   };
 };

src/selector_manager/view/ClassTagView.js

@@ -23,9 +23,10 @@ export default Backbone.View.extend({
     'focusout [data-tag-name]': 'endEditTag'
   },
 
-  initialize(o) {
+  initialize(o = {}) {
     const config = o.config || {};
     this.config = config;
+    this.module = o.module;
     this.coll = o.coll || null;
     this.pfx = config.stylePrefix || '';
     this.ppfx = config.pStylePrefix || '';
@@ -97,11 +98,7 @@ export default Backbone.View.extend({
    * @private
    */
   removeTag() {
-    const { em, model } = this;
-    const targets = em && em.getSelectedAll();
-    targets.forEach(sel => {
-      !model.get('protected') && sel && sel.getSelectors().remove(model);
-    });
+    this.module.removeSelected(this.model);
   },
 
   /**

src/selector_manager/view/ClassTagsView.js

@@ -66,6 +66,7 @@ export default Backbone.View.extend({
     const { em } = this.config;
     const coll = this.collection;
     this.target = this.config.em;
+    this.module = o.module;
     this.em = em;
     const toList = 'component:toggled component:update:classes';
     const toListCls = 'component:update:classes change:state';
@@ -212,27 +213,17 @@ export default Backbone.View.extend({
 
     this.collection.reset(selectors);
     this.updateStateVis(trgs);
-
+    this.module.__trgCustom();
     return selectors;
   },
 
   getCommonSelectors({ targets, opts = {} } = {}) {
     const trgs = targets || this.getTargets();
-    const selectors = trgs
-      .map(tr => tr.getSelectors && tr.getSelectors().getValid(opts))
-      .filter(i => i);
-    return this._commonSelectors(...selectors);
+    return this.module.__getCommonSelectors(trgs, opts);
   },
 
   _commonSelectors(...args) {
-    if (!args.length) return [];
-    if (args.length === 1) return args[0];
-    if (args.length === 2)
-      return args[0].filter(item => args[1].indexOf(item) >= 0);
-
-    return args
-      .slice(1)
-      .reduce((acc, item) => this._commonSelectors(acc, item), args[0]);
+    return this.module.__common(...args);
   },
 
   checkSync: debounce(function() {
@@ -332,23 +323,12 @@ export default Backbone.View.extend({
    * @param  {Object} e
    * @private
    */
-  addNewTag(label) {
-    const { em } = this;
-
-    if (!label.trim()) return;
-
-    if (em) {
-      const sm = em.get('SelectorManager');
-      const model = sm.add({ label });
-
-      this.getTargets().forEach(target => {
-        target.getSelectors().add(model);
-        this.collection.add(model);
-        this.updateStateVis();
-      });
-    }
-
+  addNewTag(value) {
+    const label = value.trim();
+    if (!label) return;
+    this.module.addSelected({ label });
     this.endNewTag();
+    // this.updateStateVis(); // Check if required
   },
 
   /**
@@ -364,7 +344,8 @@ export default Backbone.View.extend({
     const rendered = new ClassTagView({
       model,
       config: this.config,
-      coll: this.collection
+      coll: this.collection,
+      module: this.module
     }).render().el;
 
     fragment ? fragment.appendChild(rendered) : classes.append(rendered);

src/style_manager/index.js

@@ -416,6 +416,11 @@ export default () => {
       return SectView.setTarget(target, opts);
     },
 
+    getTargets() {
+      const { propTarget } = SectView || {};
+      return (propTarget && propTarget.targets) || [];
+    },
+
     getEmitter() {
       return SectView.propTarget;
     },