/*
 * g.Raphael 0.4 - Charting library, based on Raphaël
 *
 * Copyright (c) 2009 Dmitry Baranovskiy (http://g.raphaeljs.com)
 * Licensed under the MIT (http://www.opensource.org/licenses/mit-license.php) license.
 */
Raphael.fn.g.piechart=function(e,d,o,b,l){l=l||{};var k=this,m=[],g=this.set(),n=this.set(),j=this.set(),u=[],w=b.length,x=0,A=0,z=0,c=9,y=true;n.covers=g;if(w==1){j.push(this.circle(e,d,o).attr({fill:this.g.colors[0],stroke:opt.stroke||"#fff","stroke-width":l.strokewidth==null?1:l.strokewidth}));g.push(this.circle(e,d,o).attr(this.g.shim));A=b[0];b[0]={value:b[0],order:0,valueOf:function(){return this.value;}};j[0].middle={x:e,y:d};j[0].mangle=180;}else{function t(F,E,i,H,D,M){var J=Math.PI/180,B=F+i*Math.cos(-H*J),p=F+i*Math.cos(-D*J),G=F+i/2*Math.cos(-(H+(D-H)/2)*J),L=E+i*Math.sin(-H*J),K=E+i*Math.sin(-D*J),C=E+i/2*Math.sin(-(H+(D-H)/2)*J),I=["M",F,E,"L",B,L,"A",i,i,0,+(Math.abs(D-H)>180),1,p,K,"z"];I.middle={x:G,y:C};return I;}for(var v=0;v<w;v++){A+=b[v];b[v]={value:b[v],order:v,valueOf:function(){return this.value;}};}b.sort(function(p,i){return i.value-p.value;});for(var v=0;v<w;v++){if(y&&b[v]*360/A<=1.5){c=v;y=false;}if(v>c){y=false;b[c].value+=b[v];b[c].others=true;z=b[c].value;}}w=Math.min(c+1,b.length);z&&b.splice(w)&&(b[c].others=true);for(var v=0;v<w;v++){var f=x-360*b[v]/A/2;if(!v){x=90-f;f=x-360*b[v]/A/2;}if(l.init){var h=t(e,d,1,x,x-360*b[v]/A).join(",");}var s=t(e,d,o,x,x-=360*b[v]/A);var q=this.path(l.init?h:s).attr({fill:l.colors&&l.colors[v]||this.g.colors[v]||"#666",stroke:l.stroke||"#fff","stroke-width":(l.strokewidth==null?1:l.strokewidth),"stroke-linejoin":"round"});q.value=b[v];q.middle=s.middle;q.mangle=f;m.push(q);j.push(q);l.init&&q.animate({path:s.join(",")},(+l.init-1)||1000,">");}for(var v=0;v<w;v++){var q=k.path(m[v].attr("path")).attr(this.g.shim);l.href&&l.href[v]&&q.attr({href:l.href[v]});q.attr=function(){};g.push(q);j.push(q);}}n.hover=function(C,r){r=r||function(){};var B=this;for(var p=0;p<w;p++){(function(D,E,i){var F={sector:D,cover:E,cx:e,cy:d,mx:D.middle.x,my:D.middle.y,mangle:D.mangle,r:o,value:b[i],total:A,label:B.labels&&B.labels[i]};E.mouseover(function(){C.call(F);}).mouseout(function(){r.call(F);});})(j[p],g[p],p);}return this;};n.each=function(B){var r=this;for(var p=0;p<w;p++){(function(C,D,i){var E={sector:C,cover:D,cx:e,cy:d,x:C.middle.x,y:C.middle.y,mangle:C.mangle,r:o,value:b[i],total:A,label:r.labels&&r.labels[i]};B.call(E);})(j[p],g[p],p);}return this;};n.click=function(B){var r=this;for(var p=0;p<w;p++){(function(C,D,i){var E={sector:C,cover:D,cx:e,cy:d,mx:C.middle.x,my:C.middle.y,mangle:C.mangle,r:o,value:b[i],total:A,label:r.labels&&r.labels[i]};D.click(function(){B.call(E);});})(j[p],g[p],p);}return this;};n.inject=function(i){i.insertBefore(g[0]);};var a=function(G,B,r,p){var K=e+o+o/5,J=d,F=J+10;G=G||[];p=(p&&p.toLowerCase&&p.toLowerCase())||"east";r=k.g.markers[r&&r.toLowerCase()]||"disc";n.labels=k.set();for(var E=0;E<w;E++){var L=j[E].attr("fill"),C=b[E].order,D;b[E].others&&(G[C]=B||"Others");G[C]=k.g.labelise(G[C],b[E],A);n.labels.push(k.set());n.labels[E].push(k.g[r](K+5,F,5).attr({fill:L,stroke:"none"}));n.labels[E].push(D=k.text(K+20,F,G[C]||b[C]).attr(k.g.txtattr).attr({fill:l.legendcolor||"#000","text-anchor":"start"}));g[E].label=n.labels[E];F+=D.getBBox().height*1.2;}var H=n.labels.getBBox(),I={east:[0,-H.height/2],west:[-H.width-2*o-20,-H.height/2],north:[-o-H.width/2,-o-H.height-10],south:[-o-H.width/2,o+10]}[p];n.labels.translate.apply(n.labels,I);n.push(n.labels);};if(l.legend){a(l.legend,l.legendothers,l.legendmark,l.legendpos);}n.push(j,g);n.series=j;n.covers=g;return n;};