Scientific/Css/ichartjs/src/ichart.sector2d.js

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	/**
	 * @overview the sector2d componment
	 * @component#iChart.Sector2D
	 * @extend#iChart.Sector
	 */
	iChart.Sector2D = iChart.extend(iChart.Sector,{
		configure:function(){
			/**
			 * invoked the super class's  configuration
			 */
			iChart.Sector2D.superclass.configure.apply(this,arguments);
			
			/**
			 * indicate the component's type
			 */
			this.type = 'sector2d';
			
			this.set({
				/**
				 * @cfg {Float (0~)} Specifies the sector's radius.Normally,this will given by chart.(default to 0)
				 */
				radius:0
			});
			
		},
		drawSector:function(){
			this.T.sector(
					this.x,
					this.y,
					this.r,
					this.get('donutwidth'),
					this.get('startAngle'),
					this.get('endAngle'),
					this.get('f_color'),
					this.get('border.enable'),
					this.get('border.width'),
					this.get('border.color'),
					this.get('shadow'),
					this.get('counterclockwise'));
		},
		isEventValid:function(e,_){
			if(!_.get('ignored')){
				if(_.isLabel()&&_.label.isEventValid(e,_.label).valid){
					return {valid:true};
				}
				
				var r = iChart.distanceP2P(_.x,_.y,e.x,e.y),b=_.get('donutwidth');	
				if(_.r<r||(b&&(_.r-b)>r)){
					return {valid:false};
				}
				if(iChart.angleInRange(_.get('startAngle'),_.get('endAngle'),iChart.atan2Radian(_.x,_.y,e.x,e.y))){
					return {valid:true};
				}
			}
			return {valid:false};
		},
		tipInvoke:function(){
			var _ = this,A = _.get('middleAngle'),Q  = iChart.quadrantd(A);
			return function(w,h){
				var P = iChart.p2Point(_.x,_.y,A,_.r*0.8)