wisemapping-open-source/mindplot/src/main/javascript/commands/RemoveIconFromTopicCommand.js

/*
*    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.commands.RemoveIconFromTopicCommand = new Class(
{
    Extends:mindplot.Command,
    initialize: function(topicId, iconModel)
    {
        $assert(topicId, 'topicId can not be null');
        $assert(iconModel, 'iconId can not be null');
        this._selectedObjectsIds = topicId;
        this._iconModel = iconModel;
    },
    execute: function(commandContext)
    {
        var topic = commandContext.findTopics(this._selectedObjectsIds)[0];
        var updated = function() {
            topic.removeIcon(this._iconModel);
            topic.updateNode();
        }.bind(this);
        updated.delay(0);
    },
    undoExecute: function(commandContext)
    {
        var topic = commandContext.findTopics(this._selectedObjectsIds)[0];
        var updated = function() {
            var iconType = this._iconModel.getIconType();
            var iconImg = topic.addIcon(iconType, commandContext._designer);
            this._iconModel = iconImg.getModel();
            topic.updateNode();
        }.bind(this);
        updated.delay(0);
    }
});