96 lines
3.6 KiB
JavaScript
96 lines
3.6 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.GenericFunctionCommand = new Class(/** @lends GenericFunctionCommand */{
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Extends:mindplot.Command,
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/**
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* @classdesc This command handles do/undo of different actions, e.g. moving topics to
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* a different position, changing text or font,... (for full reference check the
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* StandaloneActionDispatcher i.e. the ActionDispatcher subclass in use)
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* @constructs
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* @param {Function} commandFunc the function the command shall execute
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* @param {String|Array<String>} topicsIds the ids of the topics affected
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* @param {Object} [value] value arbitrary value necessary for the execution of the function,
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* e.g. color, font family or text
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* @extends mindplot.Command
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*/
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initialize:function (commandFunc, topicsIds, value) {
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$assert(commandFunc, "commandFunc must be defined");
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$assert($defined(topicsIds), "topicsIds must be defined");
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this.parent();
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this._value = value;
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this._topicsId = topicsIds;
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this._commandFunc = commandFunc;
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this._oldValues = [];
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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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if (!this.applied) {
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var topics = null;
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try {
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topics = commandContext.findTopics(this._topicsId);
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} catch (e) {
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if (this._commandFunc.commandType != "changeTextToTopic") {
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// Workaround: For some reason, there is a combination of events that involves
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// making some modification and firing out of focus event. This is causing
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// that a remove node try to be removed. In some other life, I will come with the solution.
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// Almost aways occurs with IE9. I could be related with some change of order in sets o something similar.
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throw e;
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}
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}
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if (topics != null) {
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var me = this;
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_.each(topics, function (topic) {
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var oldValue = me._commandFunc(topic, me._value);
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me._oldValues.push(oldValue);
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});
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}
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this.applied = true;
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} else {
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throw "Command can not be applied two times in a row.";
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}
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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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if (this.applied) {
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var topics = commandContext.findTopics(this._topicsId);
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var me = this;
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_.each(topics, function (topic, index) {
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me._commandFunc(topic, me._oldValues[index]);
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});
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this.applied = false;
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this._oldValues = [];
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} else {
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throw "undo can not be applied.";
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}
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}
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}); |