/*
	Copyright (c) 2004-2009, The Dojo Foundation All Rights Reserved.
	Available via Academic Free License >= 2.1 OR the modified BSD license.
	see: http://dojotoolkit.org/license for details
*/


if(!dojo._hasResource["dojox.charting.Element"]){dojo._hasResource["dojox.charting.Element"]=true;dojo.provide("dojox.charting.Element");dojo.declare("dojox.charting.Element",null,{constructor:function(_1){this.chart=_1;this.group=null;this.htmlElements=[];this.dirty=true;},createGroup:function(_2){if(!_2){_2=this.chart.surface;}if(!this.group){this.group=_2.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(_3){this.destroyHtmlElements();if(!_3){_3=this.chart.surface;}if(this.group){this.group.clear();}else{this.group=_3.createGroup();}this.dirty=true;return this;},destroyHtmlElements:function(){if(this.htmlElements.length){dojo.forEach(this.htmlElements,dojo.destroy);this.htmlElements=[];}},destroy:function(){this.purgeGroup();}});}