wisemapping-open-source/mindplot/src/main/javascript/DesignerActionRunner.js

55 lines
1.9 KiB
JavaScript

/*
* Copyright [2015] [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();
mindplot.EventBus.instance.fireEvent(mindplot.EventBus.events.DoLayout);
},
undo: function () {
this._undoManager.execUndo(this._context);
this.fireChangeEvent();
mindplot.EventBus.instance.fireEvent(mindplot.EventBus.events.DoLayout);
},
redo: function () {
this._undoManager.execRedo(this._context);
this.fireChangeEvent();
mindplot.EventBus.instance.fireEvent(mindplot.EventBus.events.DoLayout);
},
fireChangeEvent: function () {
var event = this._undoManager.buildEvent();
this._notifier.fireEvent("modelUpdate", event);
}
});