- Author:
- David Nickerson <nickerso@users.sourceforge.net>
- Date:
- 2009-07-16 02:00:03+12:00
- Desc:
- the starting point for the HH tutorial example
- Permanent Source URI:
- https://models.fieldml.org/workspace/a1/rawfile/f6a8f90307388eb4b040ee3566b84d88b59247f7/dojo-presentation/js/dojo/dojox/charting/Element.js
dojo.provide("dojox.charting.Element");
dojo.declare("dojox.charting.Element", null, {
constructor: function(chart){
this.chart = chart;
this.group = null;
this.htmlElements = [];
this.dirty = true;
},
createGroup: function(creator){
if(!creator){ creator = this.chart.surface; }
if(!this.group){
this.group = creator.createGroup();
}
return this;
},
purgeGroup: function(){
this.destroyHtmlElements();
if(this.group){
this.group.clear();
this.group.removeShape();
this.group = null;
}
this.dirty = true;
return this;
},
cleanGroup: function(creator){
this.destroyHtmlElements();
if(!creator){ creator = this.chart.surface; }
if(this.group){
this.group.clear();
}else{
this.group = creator.createGroup();
}
this.dirty = true;
return this;
},
destroyHtmlElements: function(){
if(this.htmlElements.length){
dojo.forEach(this.htmlElements, dojo._destroyElement);
this.htmlElements = [];
}
},
destroy: function(){
this.purgeGroup();
}
});