wisemapping-open-source/mindplot/src/main/javascript/DesignerActionRunner.js
2011-10-02 14:47:54 -03:00

58 lines
1.8 KiB
JavaScript

/*
* Copyright [2011] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
mindplot.DesignerActionRunner = new Class({
initialize: function(commandContext, notifier) {
$assert(commandContext, "commandContext can not be null");
this._undoManager = new mindplot.DesignerUndoManager();
this._context = commandContext;
this._notifier = notifier;
},
execute:function(command) {
$assert(command, "command can not be null");
command.execute(this._context);
this._undoManager.enqueue(command);
this.fireChangeEvent();
},
undo: function() {
this._undoManager.execUndo(this._context);
this.fireChangeEvent();
},
redo: function() {
this._undoManager.execRedo(this._context);
this.fireChangeEvent();
},
fireChangeEvent : function () {
var event = this._undoManager.buildEvent();
this._notifier.fireEvent("modelUpdate", event);
},
markAsChangeBase: function() {
return this._undoManager.markAsChangeBase();
},
hasBeenChanged: function() {
return this._undoManager.hasBeenChanged();
}
});