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https://github.com/wisemapping/wisemapping-open-source.git
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84 lines
2.7 KiB
JavaScript
84 lines
2.7 KiB
JavaScript
/*
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* Copyright [2012] [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.DragTopicCommand = new Class({
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Extends:mindplot.Command,
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initialize:function (topicId, position, order, parentTopic) {
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$assert(topicId, "topicId must be defined");
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this._topicsId = topicId;
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if ($defined(parentTopic))
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this._parentId = parentTopic.getId();
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this.parent();
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this._position = position;
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this._order = order;
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},
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execute:function (commandContext) {
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var topic = commandContext.findTopics(this._topicsId)[0];
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topic.setVisibility(false);
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// Save old position ...
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var origParentTopic = topic.getOutgoingConnectedTopic();
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// In this case, topics are positioned using order ...
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var origOrder = topic.getOrder();
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var origPosition = topic.getPosition();
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// Disconnect topic ..
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if ($defined(origParentTopic) && origParentTopic != this._parentId) {
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commandContext.disconnect(topic);
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}
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// Set topic order ...
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if (this._order != null) {
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topic.setOrder(this._order);
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} else if (this._position != null) {
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commandContext.moveTopic(topic, this._position);
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} else {
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$assert("Illegal command state exception.");
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}
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// Finally, connect topic ...
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if (origParentTopic != this._parentId) {
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if ($defined(this._parentId)) {
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var parentTopic = commandContext.findTopics(this._parentId)[0];
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commandContext.connect(topic, parentTopic);
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}
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// Backup old parent id ...
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this._parentId = null;
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if ($defined(origParentTopic)) {
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this._parentId = origParentTopic.getId();
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}
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}
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topic.setVisibility(true);
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// Store for undo ...
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this._order = origOrder;
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this._position = origPosition;
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},
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undoExecute:function (commandContext) {
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this.execute(commandContext);
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}
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}); |