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131
mindplot/src/main/javascript/DesignerActionRunner.js
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131
mindplot/src/main/javascript/DesignerActionRunner.js
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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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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* $Id: file 64488 2006-03-10 17:32:09Z paulo $
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*/
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mindplot.DesignerActionRunner = new Class({
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execute:function(command)
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{
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core.assert(command, "command can not be null");
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// Execute action ...
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command.execute(this._context);
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// Enqueue it ...
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this._undoManager.enqueue(command);
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// Fire event
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var event = this._undoManager._buildEvent();
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this._designer._fireEvent("change", event);
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},
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initialize: function(designer)
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{
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this._designer = designer;
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this._undoManager = new mindplot.DesignerUndoManager();
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this._context = new mindplot.CommandContext(this._designer);
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},
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undo: function()
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{
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this._undoManager.execUndo(this._context);
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// Fire event
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var event = this._undoManager._buildEvent();
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this._designer._fireEvent("change", event);
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},
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redo: function()
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{
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this._undoManager.execRedo(this._context);
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// Fire event
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var event = this._undoManager._buildEvent();
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this._designer._fireEvent("change", event);
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},
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markAsChangeBase: function()
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{
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return this._undoManager.markAsChangeBase();
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},
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hasBeenChanged: function()
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{
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return this._undoManager.hasBeenChanged();
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}
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});
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mindplot.CommandContext = new Class({
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initialize: function(designer)
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{
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this._designer = designer;
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},
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findTopics:function(topicsIds)
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{
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var designerTopics = this._designer._topics;
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if (!(topicsIds instanceof Array))
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{
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topicsIds = [topicsIds];
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}
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var result = designerTopics.filter(function(topic) {
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var found = false;
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if (topic != null)
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{
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var topicId = topic.getId();
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found = topicsIds.contains(topicId);
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}
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return found;
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});
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return result;
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},
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deleteTopic:function(topic)
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{
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this._designer._removeNode(topic);
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},
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createTopic:function(model)
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{
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core.assert(model, "model can not be null");
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var topic = this._designer._nodeModelToNodeGraph(model);
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// @todo: Is this required ?
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var designer = this._designer;
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designer.onNodeFocusEvent.attempt(topic, designer);
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return topic;
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},
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createModel:function()
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{
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var mindmap = this._designer.getMindmap();
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var model = mindmap.createNode(mindplot.NodeModel.MAIN_TOPIC_TYPE);
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return model;
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},
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connect:function(childTopic, parentTopic)
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{
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childTopic.connectTo(parentTopic, this._designer._workspace);
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} ,
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disconnect:function(topic)
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{
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topic.disconnect(this._designer._workspace);
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}
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});
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mindplot.DesignerActionRunner.setInstance = function(actionRunner)
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{
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mindplot.DesignerActionRunner._instance = actionRunner;
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};
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mindplot.DesignerActionRunner.getInstance = function()
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{
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return mindplot.DesignerActionRunner._instance;
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};
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