wisemapping-open-source/mindplot/src/main/javascript/Command.js
2009-11-06 23:30:29 -02:00

49 lines
1.4 KiB
JavaScript

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
*
* $Id: file 64488 2006-03-10 17:32:09Z paulo $
*/
mindplot.Command = new Class(
{
initialize: function()
{
this._id = mindplot.Command._nextUUID();
},
execute: function(commandContext)
{
throw "execute must be implemented.";
},
undoExecute: function(commandContext)
{
throw "undo must be implemented.";
},
getId:function()
{
return this._id;
}
});
mindplot.Command._nextUUID = function()
{
if (!mindplot.Command._uuid)
{
mindplot.Command._uuid = 1;
}
mindplot.Command._uuid = mindplot.Command._uuid + 1;
return mindplot.Command._uuid;
};