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

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/*
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* 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.
*/
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mindplot.DesignerActionRunner = new Class({
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initialize: function(commandContext, notifier) {
$assert(commandContext, "commandContext can not be null");
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this._undoManager = new mindplot.DesignerUndoManager();
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this._context = commandContext;
this._notifier = notifier;
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},
execute:function(command) {
$assert(command, "command can not be null");
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command.execute(this._context);
this._undoManager.enqueue(command);
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this.fireChangeEvent();
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},
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undo: function() {
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this._undoManager.execUndo(this._context);
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this.fireChangeEvent();
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},
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redo: function() {
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this._undoManager.execRedo(this._context);
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this.fireChangeEvent();
},
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fireChangeEvent : function () {
var event = this._undoManager.buildEvent();
this._notifier.fireEvent("modelUpdate", event);
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},
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markAsChangeBase: function() {
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return this._undoManager.markAsChangeBase();
},
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hasBeenChanged: function() {
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return this._undoManager.hasBeenChanged();
}
});