wisemapping-open-source/mindplot/src/main/javascript/commands/RemoveFeatureFromTopicCommand.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.commands.RemoveFeatureFromTopicCommand = new Class({
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Extends:mindplot.Command,
initialize: function(topicId, featureId) {
$assert($defined(topicId), 'topicId can not be null');
$assert(featureId, 'iconModel can not be null');
this._topicId = topicId;
this._featureId = featureId;
this._oldFeature = null;
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},
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execute: function(commandContext) {
var topic = commandContext.findTopics(this._topicId)[0];
var feature = topic.findFeatureById(this._featureId);
topic.removeFeature(feature);
this._oldFeature = feature;
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},
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undoExecute: function(commandContext) {
var topic = commandContext.findTopics(this._topicId)[0];
var feature = this._oldFeature;
topic.addFeature(feature.getType(), feature.getAttributes());
this._oldFeature = null;
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}
});