66 lines
2.5 KiB
JavaScript
66 lines
2.5 KiB
JavaScript
/*
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* Copyright [2015] [wisemapping]
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*
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* Licensed under WiseMapping Public License, Version 1.0 (the "License").
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* It is basically the Apache License, Version 2.0 (the "License") plus the
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* "powered by wisemapping" text requirement on every single page;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the license at
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*
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* http://www.wisemapping.org/license
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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mindplot.commands.AddFeatureToTopicCommand = new Class(/** @lends AddFeatureToTopicCommand */{
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Extends:mindplot.Command,
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/**
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* @classdesc This command class handles do/undo of adding features to topics, e.g. an
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* icon or a note. For a reference of existing features, refer to {@link mindplot.TopicFeature}
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* @constructs
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* @param {String} topicId the id of the topic
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* @param {String} featureType the id of the feature type to add, e.g. "icon"
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* @param {Object} attributes the attribute(s) of the respective feature model
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* @extends mindplot.Command
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* @see mindplot.model.FeatureModel and subclasses
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*/
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initialize:function (topicId, featureType, attributes) {
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$assert($defined(topicId), 'topicId can not be null');
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$assert(featureType, 'featureType can not be null');
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$assert(attributes, 'attributes can not be null');
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this.parent();
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this._topicId = topicId;
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this._featureType = featureType;
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this._attributes = attributes;
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this._featureModel = null;
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},
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/**
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* Overrides abstract parent method
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*/
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execute:function (commandContext) {
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var topic = commandContext.findTopics(this._topicId)[0];
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// Feature must be created only one time.
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if (!this._featureModel) {
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var model = topic.getModel();
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this._featureModel = model.createFeature(this._featureType, this._attributes);
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}
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topic.addFeature(this._featureModel);
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},
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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:function (commandContext) {
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var topic = commandContext.findTopics(this._topicId)[0];
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topic.removeFeature(this._featureModel);
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}
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}); |