wisemapping-open-source/mindplot/src/main/javascript/CentralTopic.js

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/*
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* Copyright [2011] [wisemapping]
*
* Licensed under WiseMapping Public License, Version 1.0 (the "License").
* It is basically the Apache License, Version 2.0 (the "License") plus the
* "powered by wisemapping" text requirement on every single page;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the license at
*
* http://www.wisemapping.org/license
*
* 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.
*/
mindplot.CentralTopic = new Class({
Extends:mindplot.Topic,
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initialize: function(model, options) {
this.parent(model, options);
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},
_registerEvents : function() {
this.parent();
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// This disable the drag of the central topic. But solves the problem of deselecting the nodes when the screen is clicked.
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this.addEvent('mousedown', function(event) {
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event.stopPropagation();
});
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},
workoutIncomingConnectionPoint : function() {
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return this.getPosition();
},
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_getInnerPadding : function() {
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return 11;
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},
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getTopicType : function() {
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return mindplot.model.INodeModel.CENTRAL_TOPIC_TYPE;
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},
setCursor : function(type) {
type = (type == 'move') ? 'default' : type;
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this.parent(type);
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},
isConnectedToCentralTopic : function() {
return false;
},
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_defaultShapeType : function() {
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return mindplot.model.TopicShape.ROUNDED_RECT;
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},
updateTopicShape : function() {
},
_updatePositionOnChangeSize : function(oldSize, newSize, updatePosition) {
// Center main topic ...
var zeroPoint = new core.Point(0, 0);
this.setPosition(zeroPoint);
},
_defaultText : function() {
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return $msg('CENTRAL_TOPIC');
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},
_defaultBackgroundColor : function() {
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return "rgb(80,157,192)";
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},
_defaultBorderColor : function() {
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return "rgb(57,113,177)";
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},
_defaultFontStyle : function() {
return {
font:"Verdana",
size: 10,
style:"normal",
weight:"bold",
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color:"#ffffff"
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};
},
getShrinkConnector : function() {
return null;
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}
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});