if(typeof(RGraph)=='undefined')RGraph={};RGraph.Pie=function(id,data)
{this.id=id;this.canvas=document.getElementById(id);this.context=this.canvas.getContext("2d");this.canvas.__object__=this;this.total=0;this.subTotal=0;this.angles=[];this.data=data;this.properties=[];this.type='pie';this.isRGraph=true;RGraph.OldBrowserCompat(this.context);this.properties={'chart.colors':['red','#ddd','#0f0','blue','pink','yellow','black','cyan'],'chart.strokestyle':'#999','chart.linewidth':1,'chart.labels':[],'chart.labels.sticks':false,'chart.labels.sticks.length':7,'chart.labels.sticks.color':'#aaa','chart.segments':[],'chart.gutter.left':25,'chart.gutter.right':25,'chart.gutter.top':25,'chart.gutter.bottom':25,'chart.title':'','chart.title.background':null,'chart.title.hpos':null,'chart.title.vpos':0.5,'chart.title.bold':true,'chart.title.font':null,'chart.shadow':false,'chart.shadow.color':'rgba(0,0,0,0.5)','chart.shadow.offsetx':3,'chart.shadow.offsety':3,'chart.shadow.blur':3,'chart.text.size':10,'chart.text.color':'black','chart.text.font':'Verdana','chart.contextmenu':null,'chart.tooltips':[],'chart.tooltips.event':'onclick','chart.tooltips.effect':'fade','chart.tooltips.css.class':'RGraph_tooltip','chart.tooltips.highlight':true,'chart.highlight.style':'3d','chart.highlight.style.2d.fill':'rgba(255,255,255,0.5)','chart.highlight.style.2d.stroke':'rgba(255,255,255,0)','chart.centerx':null,'chart.centery':null,'chart.radius':null,'chart.border':false,'chart.border.color':'rgba(255,255,255,0.5)','chart.key':null,'chart.key.background':'white','chart.key.position':'graph','chart.key.halign':'right','chart.key.shadow':false,'chart.key.shadow.color':'#666','chart.key.shadow.blur':3,'chart.key.shadow.offsetx':2,'chart.key.shadow.offsety':2,'chart.key.position.gutter.boxed':true,'chart.key.position.x':null,'chart.key.position.y':null,'chart.key.color.shape':'square','chart.key.rounded':true,'chart.key.linewidth':1,'chart.annotatable':false,'chart.annotate.color':'black','chart.align':'center','chart.zoom.factor':1.5,'chart.zoom.fade.in':true,'chart.zoom.fade.out':true,'chart.zoom.hdir':'right','chart.zoom.vdir':'down','chart.zoom.frames':25,'chart.zoom.delay':16.666,'chart.zoom.shadow':true,'chart.zoom.mode':'canvas','chart.zoom.thumbnail.width':75,'chart.zoom.thumbnail.height':75,'chart.zoom.background':true,'chart.zoom.action':'zoom','chart.resizable':false,'chart.resize.handle.adjust':[0,0],'chart.resize.handle.background':null,'chart.variant':'pie','chart.variant.donut.color':'white','chart.exploded':[],'chart.effect.roundrobin.multiplier':1}
for(var i=0,len=data.length;i<len;i++){this.total+=data[i];}
this.getShape=this.getSegment;}
RGraph.Pie.prototype.Set=function(name,value)
{if(name=='chart.highlight.style.2d.color'){name='chart.highlight.style.2d.fill';}
this.properties[name]=value;}
RGraph.Pie.prototype.Get=function(name)
{if(name=='chart.highlight.style.2d.color'){name='chart.highlight.style.2d.fill';}
return this.properties[name];}
RGraph.Pie.prototype.Draw=function()
{RGraph.FireCustomEvent(this,'onbeforedraw');this.gutterLeft=this.Get('chart.gutter.left');this.gutterRight=this.Get('chart.gutter.right');this.gutterTop=this.Get('chart.gutter.top');this.gutterBottom=this.Get('chart.gutter.bottom');this.Set('chart.segments',[]);RGraph.ClearEventListeners(this.id);this.radius=this.Get('chart.radius')?this.Get('chart.radius'):this.getRadius();this.centery=((this.canvas.height-this.gutterTop-this.gutterBottom)/2)+this.gutterTop;this.subTotal=0;this.angles=[];if(typeof(this.Get('chart.centery'))=='number'){this.centery=this.Get('chart.centery');}
if(this.Get('chart.align')=='left'){this.centerx=this.radius+this.gutterLeft;}else if(this.Get('chart.align')=='right'){this.centerx=this.canvas.width-this.radius-this.gutterRight;}else{this.centerx=this.canvas.width/2;}
if(typeof(this.Get('chart.centerx'))=='number'){this.centerx=this.Get('chart.centerx');}
if(this.Get('chart.shadow')&&0){var offsetx=document.all?this.Get('chart.shadow.offsetx'):0;var offsety=document.all?this.Get('chart.shadow.offsety'):0;this.context.beginPath();this.context.fillStyle=this.Get('chart.shadow.color');this.context.shadowColor=this.Get('chart.shadow.color');this.context.shadowBlur=this.Get('chart.shadow.blur');this.context.shadowOffsetX=this.Get('chart.shadow.offsetx');this.context.shadowOffsetY=this.Get('chart.shadow.offsety');this.context.arc(this.centerx+offsetx,this.centery+offsety,this.radius,0,6.28,0);this.context.fill();RGraph.NoShadow(this);}
this.total=RGraph.array_sum(this.data);for(var i=0,len=this.data.length;i<len;i++){var angle=((this.data[i]/this.total)*360);this.DrawSegment(angle,this.Get('chart.colors')[i],i==(this.data.length-1),i);}
RGraph.NoShadow(this);this.DrawBorders();for(var i=0;i<this.angles.length;i++){this.context.beginPath();this.context.strokeStyle=this.Get('chart.strokestyle');this.context.fillStyle=this.Get('chart.colors')[i];this.context.moveTo(this.angles[i][2],this.angles[i][3]);this.context.arc(this.angles[i][2],this.angles[i][3],this.radius,(this.angles[i][0]/57.3),(this.angles[i][1]/57.3),false);this.context.lineTo(this.angles[i][2],this.angles[i][3]);this.context.closePath();this.context.fill();this.context.stroke();}
if(this.Get('chart.labels.sticks')){this.DrawSticks();var strokeStyle=this.Get('chart.strokestyle');var isWhite=strokeStyle=='white'||strokeStyle=='#fff'||strokeStyle=='#fffffff'||strokeStyle=='rgb(255,255,255)'||strokeStyle=='rgba(255,255,255,0)';if(!isWhite||(isWhite&&this.Get('chart.shadow'))){this.DrawBorders();}}
this.DrawLabels();if(this.Get('chart.align')=='left'){var centerx=this.radius+this.Get('chart.gutter.left');}else if(this.Get('chart.align')=='right'){var centerx=RGraph.GetWidth(this)-(this.radius+this.gutterRight);}else{var centerx=null;}
RGraph.DrawTitle(this.canvas,this.Get('chart.title'),(this.canvas.height/2)-this.radius-5,centerx,this.Get('chart.title.size')?this.Get('chart.title.size'):this.Get('chart.text.size')+2);if(this.Get('chart.contextmenu')){RGraph.ShowContext(this);}
if(this.Get('chart.tooltips').length){RGraph.Register(this);var canvas_onclick_func=function(e)
{RGraph.HideZoomedCanvas();e=RGraph.FixEventObject(e);var mouseCoords=RGraph.getMouseXY(e);var canvas=e.target;var context=canvas.getContext('2d');var obj=e.target.__object__;if(obj.Get('chart.variant')=='donut'&&Math.abs(hyp)<(obj.radius/2)){return;}
var isDonut=obj.Get('chart.variant')=='donut';var hStyle=obj.Get('chart.highlight.style');var segment=obj.getSegment(e);if(segment){var x=mouseCoords[0]-segment[0];var y=mouseCoords[1]-segment[1];var theta=Math.atan(y/x);var hyp=y/Math.sin(theta);if(RGraph.Registry.Get('chart.tooltip')&&segment[5]==RGraph.Registry.Get('chart.tooltip').__index__&&RGraph.Registry.Get('chart.tooltip').__canvas__.__object__.id==obj.id){return;}else{RGraph.Redraw();}
if(isDonut||hStyle=='2d'){obj.highlight_segment(segment);}else if(hStyle=='explode'){pie.Explode(segment[5],25);setTimeout(function(){obj.Set('chart.exploded',[]);},500);}else{context.lineWidth=2;context.fillStyle='white';context.strokeStyle='white';context.beginPath();context.moveTo(segment[0],segment[1]);context.arc(segment[0],segment[1],segment[2],obj.angles[segment[5]][0]/57.3,obj.angles[segment[5]][1]/57.3,0);context.stroke();context.fill();context.lineWidth=1;context.shadowColor='#666';context.shadowBlur=3;context.shadowOffsetX=3;context.shadowOffsetY=3;context.beginPath();context.fillStyle=obj.Get('chart.colors')[segment[5]];context.strokeStyle=obj.Get('chart.strokestyle');context.moveTo(segment[0]-3,segment[1]-3);context.arc(segment[0]-3,segment[1]-3,segment[2],RGraph.degrees2Radians(obj.angles[segment[5]][0]),RGraph.degrees2Radians(obj.angles[segment[5]][1]),0);context.lineTo(segment[0]-3,segment[1]-3);context.closePath();context.stroke();context.fill();RGraph.NoShadow(obj);if(obj.Get('chart.border')){context.beginPath();context.strokeStyle=obj.Get('chart.border.color');context.lineWidth=5;context.arc(segment[0]-3,segment[1]-3,obj.radius-2,RGraph.degrees2Radians(obj.angles[i][0]),RGraph.degrees2Radians(obj.angles[i][1]),0);context.stroke();}}
var text=RGraph.parseTooltipText(obj.Get('chart.tooltips'),segment[5]);if(text){RGraph.Tooltip(canvas,text,e.pageX,e.pageY,segment[5]);}
if(obj.Get('chart.key')&&obj.Get('chart.key').length&&obj.Get('chart.key.position')=='graph'){RGraph.DrawKey(obj,obj.Get('chart.key'),obj.Get('chart.colors'));}
e.stopPropagation();return;}else if(obj.Get('chart.tooltips.event')=='onclick'){RGraph.Redraw();}}
var event_name=this.Get('chart.tooltips.event')=='onmousemove'?'mousemove':'click';this.canvas.addEventListener(event_name,canvas_onclick_func,false);RGraph.AddEventListener(this.id,event_name,canvas_onclick_func);var canvas_onmousemove_func=function(e)
{RGraph.HideZoomedCanvas();e=RGraph.FixEventObject(e);var obj=e.target.__object__;var segment=obj.getSegment(e);if(segment){e.target.style.cursor='pointer';return;}
e.target.style.cursor='default';}
this.canvas.addEventListener('mousemove',canvas_onmousemove_func,false);RGraph.AddEventListener(this.id,'mousemove',canvas_onmousemove_func);var window_onclick_func=function(e)
{e=RGraph.FixEventObject(e);RGraph.Redraw();}
window.addEventListener('click',window_onclick_func,false);RGraph.AddEventListener('window_'+this.id,'click',window_onclick_func);}
if(this.Get('chart.border')){this.context.beginPath();this.context.lineWidth=5;this.context.strokeStyle=this.Get('chart.border.color');this.context.arc(this.centerx,this.centery,this.radius-2,0,6.28,0);this.context.stroke();}
if(this.Get('chart.key')!=null){RGraph.DrawKey(this,this.Get('chart.key'),this.Get('chart.colors'));}
if(this.Get('chart.variant')=='donut'){this.context.beginPath();this.context.strokeStyle=this.Get('chart.strokestyle');this.context.fillStyle=this.Get('chart.variant.donut.color');this.context.arc(this.centerx,this.centery,this.radius/2,0,6.28,0);this.context.stroke();this.context.fill();}
RGraph.NoShadow(this);if(this.Get('chart.annotatable')){RGraph.Annotate(this);}
if(this.Get('chart.zoom.mode')=='thumbnail'||this.Get('chart.zoom.mode')=='area'){RGraph.ShowZoomWindow(this);}
if(this.Get('chart.resizable')){RGraph.AllowResizing(this);}
RGraph.FireCustomEvent(this,'ondraw');}
RGraph.Pie.prototype.DrawSegment=function(degrees,color,last,index)
{var context=this.context;var canvas=this.canvas;var subTotal=this.subTotal;degrees=degrees*this.Get('chart.effect.roundrobin.multiplier');context.beginPath();context.fillStyle=color;context.strokeStyle=this.Get('chart.strokestyle');context.lineWidth=0;if(this.Get('chart.shadow')){RGraph.SetShadow(this,this.Get('chart.shadow.color'),this.Get('chart.shadow.offsetx'),this.Get('chart.shadow.offsety'),this.Get('chart.shadow.blur'));}
if((typeof(this.Get('chart.exploded'))=='object'&&this.Get('chart.exploded')[index]>0)||typeof(this.Get('chart.exploded'))=='number'){var explosion=typeof(this.Get('chart.exploded'))=='number'?this.Get('chart.exploded'):this.Get('chart.exploded')[index];var x=0;var y=0;var h=explosion;var t=((subTotal+(degrees/2))/(360/6.2830))-1.57;var x=(Math.cos(t)*explosion);var y=(Math.sin(t)*explosion);this.context.moveTo(this.centerx+x,this.centery+y);}else{var x=0;var y=0;}
var startAngle=((subTotal/57.3))-1.57;var endAngle=(((subTotal+degrees)/57.3))-1.57;context.arc(this.centerx+x,this.centery+y,this.radius,startAngle,endAngle,0);context.lineTo(this.centerx+x,this.centery+y);this.angles.push([subTotal-90,subTotal+degrees-90,this.centerx+x,this.centery+y])
this.context.closePath();this.context.fill();this.Get('chart.segments').push([subTotal,subTotal+degrees]);this.subTotal+=degrees;}
RGraph.Pie.prototype.DrawLabels=function()
{var hAlignment='left';var vAlignment='center';var labels=this.Get('chart.labels');var context=this.context;RGraph.NoShadow(this);context.fillStyle='black';context.beginPath();if(labels&&labels.length){var text_size=this.Get('chart.text.size');for(i=0;i<labels.length;++i){if(typeof(this.Get('chart.segments')[i])=='undefined'){continue;}
context.moveTo(this.centerx,this.centery);var a=this.Get('chart.segments')[i][0]+((this.Get('chart.segments')[i][1]-this.Get('chart.segments')[i][0])/2)-90;if(a<90){hAlignment='left';vAlignment='center';}else if(a<180){hAlignment='right';vAlignment='center';}else if(a<270){hAlignment='right';vAlignment='center';}else if(a<360){hAlignment='left';vAlignment='center';}
var angle=((this.angles[i][1]-this.angles[i][0])/2)+this.angles[i][0];if(typeof(this.Get('chart.exploded'))=='object'&&this.Get('chart.exploded')[i]||typeof(this.Get('chart.exploded'))=='number'){var t=((this.angles[i][1]-this.angles[i][0])/2)/(360/6.2830);var seperation=typeof(this.Get('chart.exploded'))=='number'?this.Get('chart.exploded'):this.Get('chart.exploded')[i];var explosion_offsetx=(Math.cos(angle/57.29)*seperation);var explosion_offsety=(Math.sin(angle/57.29)*seperation);}else{var explosion_offsetx=0;var explosion_offsety=0;}
if(this.Get('chart.labels.sticks')){explosion_offsetx+=(Math.cos(angle/57.29)*this.Get('chart.labels.sticks.length'));explosion_offsety+=(Math.sin(angle/57.29)*this.Get('chart.labels.sticks.length'));}
context.fillStyle=this.Get('chart.text.color');RGraph.Text(context,this.Get('chart.text.font'),text_size,this.centerx+explosion_offsetx+((this.radius+10)*Math.cos(a/57.3))+(this.Get('chart.labels.sticks')?(a<90||a>270?2:-2):0),this.centery+explosion_offsety+(((this.radius+10)*Math.sin(a/57.3))),labels[i],vAlignment,hAlignment);}
context.fill();}}
RGraph.Pie.prototype.DrawSticks=function()
{var context=this.context;var offset=this.Get('chart.linewidth')/2;var exploded=this.Get('chart.exploded');var sticks=this.Get('chart.labels.sticks');for(var i=0;i<this.angles.length;++i){if(typeof(sticks)=='object'&&!sticks[i]){continue;}
var degrees=this.angles[i][1]-this.angles[i][0];context.beginPath();context.strokeStyle=this.Get('chart.labels.sticks.color');context.lineWidth=1;var midpoint=(this.angles[i][0]+(degrees/2))/57.3;if(typeof(exploded)=='object'&&exploded[i]){var extra=exploded[i];}else if(typeof(exploded)=='number'){var extra=exploded;}else{var extra=0;}
context.lineJoin='round';context.lineWidth=1;context.arc(this.centerx,this.centery,this.radius+this.Get('chart.labels.sticks.length')+extra,midpoint,midpoint+0.001,0);context.arc(this.centerx,this.centery,this.radius+extra,midpoint,midpoint+0.001,0);context.stroke();}}
RGraph.Pie.prototype.getSegment=function(e)
{RGraph.FixEventObject(e);var accuracy=arguments[1]?arguments[1]:0;var obj=e.target.__object__;var canvas=obj.canvas;var context=obj.context;var mouseCoords=RGraph.getMouseXY(e);var r=obj.radius;var angles=obj.angles;var ret=[];for(var i=0;i<angles.length;++i){var x=mouseCoords[0]-angles[i][2];var y=mouseCoords[1]-angles[i][3];var theta=Math.atan(y/x);var hyp=y/Math.sin(theta);var hyp=(hyp<0)?hyp+accuracy:hyp-accuracy;theta*=57.3
if(x<0&&y>=0){theta+=180;}else if(x<0&&y<0){theta+=180;}
if(theta>360){theta-=360;}
if(theta>=angles[i][0]&&theta<angles[i][1]){hyp=Math.abs(hyp);if(!hyp||(obj.radius&&hyp>obj.radius)){return null;}
if(obj.type=='pie'&&obj.Get('chart.variant')=='donut'&&(hyp>obj.radius||hyp<(obj.radius/2))){return null;}
ret[0]=angles[i][2];ret[1]=angles[i][3];ret[2]=(obj.type=='rose')?angles[i][2]:obj.radius;ret[3]=angles[i][0];ret[4]=angles[i][1];ret[5]=i;if(ret[3]<0)ret[3]+=360;if(ret[4]>360)ret[4]-=360;return ret;}}
return null;}
RGraph.Pie.prototype.DrawBorders=function()
{if(this.Get('chart.linewidth')>0){this.context.lineWidth=this.Get('chart.linewidth');this.context.strokeStyle=this.Get('chart.strokestyle');for(var i=0,len=this.angles.length;i<len;++i){this.context.beginPath();this.context.moveTo(this.angles[i][2],this.angles[i][3]);this.context.arc(this.angles[i][2],this.angles[i][3],this.radius,((this.angles[i][0]/57.3)),((this.angles[i][0]+0.01)/57.3),0);this.context.arc(this.angles[i][2],this.angles[i][3],this.radius,((this.angles[i][0]/57.3)),this.angles[i][1]/57.3,0);this.context.closePath();this.context.stroke();}}}
RGraph.Pie.prototype.getRadius=function()
{return Math.min(this.canvas.height-this.gutterTop-this.gutterBottom,this.canvas.width-this.gutterLeft-this.gutterRight)/2;}
RGraph.Pie.prototype.Explode=function(index,size)
{if(this.Get('chart.exploded')==0){this.Set('chart.exploded',[]);}
var obj=this;for(var i=0;i<size;++i){setTimeout(function()
{__rgraph_pie_exploded__=obj.Get('chart.exploded');var value=typeof(__rgraph_pie_exploded__[index])=='number'?__rgraph_pie_exploded__[index]:0;__rgraph_pie_exploded__[index]=value+1;obj.Set('chart.exploded',__rgraph_pie_exploded__);RGraph.Clear(obj.canvas);obj.Draw();},i*16.666);}
setTimeout(function()
{obj.Set('chart.exploded',__rgraph_pie_exploded__);},i*20)}
RGraph.Pie.prototype.highlight_segment=function(segment)
{var context=this.context;context.beginPath();context.strokeStyle=this.Get('chart.highlight.style.2d.stroke');context.fillStyle=this.Get('chart.highlight.style.2d.fill');context.moveTo(segment[0],segment[1]);context.arc(segment[0],segment[1],segment[2],RGraph.degrees2Radians(this.angles[segment[5]][0]),RGraph.degrees2Radians(this.angles[segment[5]][1]),0);context.lineTo(segment[0],segment[1]);context.closePath();context.stroke();context.fill();}