Bind context for handleChanges and handleRemoves

src/dom_components/index.js

@@ -253,12 +253,14 @@ module.exports = () => {
       const comps = model.get('components');
       const um = em.get('UndoManager');
       const handleUpdates = em.handleUpdates.bind(em);
+      const handleChanges = this.handleChanges.bind(this);
+      const handleRemoves = this.handleRemoves.bind(this);
       um && um.add(model) && comps && um.add(comps);
       const evn = 'change:style change:content change:attributes change:src';
 
-      [ [comps, 'add', this.handleChanges],
-        [comps, 'remove', this.handleRemoves],
-        [model, evn, handleUpdates],
+      [ [model, evn, handleUpdates],
+        [comps, 'add', handleChanges],
+        [comps, 'remove', handleRemoves],
         [model.get('classes'), 'add remove', handleUpdates],
       ].forEach(els => {
         em.stopListening(els[0], els[1], els[2]);

src/editor/model/Editor.js

@@ -264,43 +264,6 @@ module.exports = Backbone.Model.extend({
         that.um.redo(true);
         that.trigger('component:update');
       });
-
-      var beforeCache;
-      const customUndoType = {
-        on: function (model, value, opts) {
-          var opt = opts || {};
-          if(!beforeCache){
-            beforeCache = model.previousAttributes();
-          }
-          if (opt && opt.avoidStore) {
-            return;
-          } else {
-            var obj = {
-                object: model,
-                before: beforeCache,
-                after: model.toJSON()
-            };
-            beforeCache = null;
-            return obj;
-          }
-        },
-        undo: function (model, bf, af, opt) {
-          model.set(bf);
-          // Update also inputs inside Style Manager
-          that.trigger('change:selectedComponent');
-        },
-        redo: function (model, bf, af, opt) {
-          model.set(af);
-          // Update also inputs inside Style Manager
-          that.trigger('change:selectedComponent');
-        }
-      };
-
-      UndoManager.removeUndoType("change");
-      UndoManager.addUndoType("change:style", customUndoType);
-      UndoManager.addUndoType("change:attributes", customUndoType);
-      UndoManager.addUndoType("change:content", customUndoType);
-      UndoManager.addUndoType("change:src", customUndoType);
     }
   },
   */