wisemapping-frontend/packages/mindplot/lib/components/commands/RemoveFeatureFromTopicCommand.js

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/*
* 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.
*/
const Command = require('../Command').default;
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const RemoveFeatureFromTopicCommand = new Class(/** @lends RemoveFeatureFromTopicCommand */{
Extends: Command,
/**
* @classdesc This command handles do/undo of removing a feature from a topic, e.g. an icon or
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* a note. For a reference of existing features, refer to {@link mindplot.TopicFeature}.
* @constructs
* @param {String} topicId id of the topic to remove the feature from
* @param {String} featureId id of the feature to remove
* @extends mindplot.Command
*/
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initialize(topicId, featureId) {
$assert($defined(topicId), 'topicId can not be null');
$assert(featureId, 'iconModel can not be null');
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this.parent();
this._topicId = topicId;
this._featureId = featureId;
this._oldFeature = null;
},
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/**
* Overrides abstract parent method
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*/
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execute(commandContext) {
const topic = commandContext.findTopics(this._topicId)[0];
const feature = topic.findFeatureById(this._featureId);
topic.removeFeature(feature);
this._oldFeature = feature;
},
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/**
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* Overrides abstract parent method
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* @see {@link mindplot.Command.undoExecute}
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*/
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undoExecute(commandContext) {
const topic = commandContext.findTopics(this._topicId)[0];
topic.addFeature(this._oldFeature);
this._oldFeature = null;
},
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});
export default RemoveFeatureFromTopicCommand;