65 lines
1.7 KiB
JavaScript
65 lines
1.7 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.Command = new Class(/** @lends mindplot.Command */{
|
|
/**
|
|
* @classdesc The command base class for handling do/undo mindmap operations
|
|
* @constructs
|
|
*/
|
|
initialize: function()
|
|
{
|
|
this._id = mindplot.Command._nextUUID();
|
|
},
|
|
|
|
/**
|
|
* @abstract
|
|
*/
|
|
execute: function(commandContext)
|
|
{
|
|
throw "execute must be implemented.";
|
|
},
|
|
|
|
/**
|
|
* Triggered by the undo button - reverses the executed command
|
|
* @abstract
|
|
*/
|
|
undoExecute: function(commandContext)
|
|
{
|
|
throw "undo must be implemented.";
|
|
},
|
|
|
|
/**
|
|
* Returns the unique id of this command
|
|
* @returns {Number} command id
|
|
*/
|
|
getId:function()
|
|
{
|
|
return this._id;
|
|
}
|
|
});
|
|
|
|
mindplot.Command._nextUUID = function()
|
|
{
|
|
if (!$defined(mindplot.Command._uuid))
|
|
{
|
|
mindplot.Command._uuid = 1;
|
|
}
|
|
|
|
mindplot.Command._uuid = mindplot.Command._uuid + 1;
|
|
return mindplot.Command._uuid;
|
|
}; |