wisemapping-open-source/mindplot/src/main/javascript/DesignerActionRunner.js
2009-11-06 23:30:29 -02:00

132 lines
3.7 KiB
JavaScript

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