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48 lines
1010 B
JavaScript
48 lines
1010 B
JavaScript
dojo.provide("dojox.charting.Element");
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dojo.declare("dojox.charting.Element", null, {
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constructor: function(chart){
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this.chart = chart;
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this.group = null;
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this.htmlElements = [];
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this.dirty = true;
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},
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createGroup: function(creator){
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if(!creator){ creator = this.chart.surface; }
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if(!this.group){
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this.group = creator.createGroup();
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}
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return this;
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},
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purgeGroup: function(){
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this.destroyHtmlElements();
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if(this.group){
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this.group.clear();
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this.group.removeShape();
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this.group = null;
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}
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this.dirty = true;
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return this;
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},
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cleanGroup: function(creator){
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this.destroyHtmlElements();
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if(!creator){ creator = this.chart.surface; }
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if(this.group){
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this.group.clear();
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}else{
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this.group = creator.createGroup();
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}
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this.dirty = true;
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return this;
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},
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destroyHtmlElements: function(){
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if(this.htmlElements.length){
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dojo.forEach(this.htmlElements, dojo.destroy);
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this.htmlElements = [];
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}
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},
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destroy: function(){
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this.purgeGroup();
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}
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});
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