flotr-0.2.0-alpha.js #3

//Flotr 0.2.0-alpha Copyright (c) 2009 Bas Wenneker, <http://solutoire.com>, MIT License.
var Flotr={version:"0.2.0-alpha",author:"Bas Wenneker",website:"http://www.solutoire.com",_registeredTypes:{lines:"drawSeriesLines",points:"drawSeriesPoints",bars:"drawSeriesBars",candles:"drawSeriesCandles",pie:"drawSeriesPie"},register:function(A,B){Flotr._registeredTypes[A]=B+""},draw:function(B,D,A,C){C=C||Flotr.Graph;return new C(B,D,A)},getSeries:function(A){return A.collect(function(C){var B,C=(C.data)?Object.clone(C):{data:C};for(B=C.data.length-1;B>-1;--B){C.data[B][1]=(C.data[B][1]===null?null:parseFloat(C.data[B][1]))}return C})},merge:function(D,B){var A=B||{};for(var C in D){A[C]=(D[C]!=null&&typeof (D[C])=="object"&&!(D[C].constructor==Array||D[C].constructor==RegExp)&&!Object.isElement(D[C]))?Flotr.merge(D[C],B[C]):A[C]=D[C]}return A},getTickSize:function(E,D,A,B){var H=(A-D)/E;var G=Flotr.getMagnitude(H);var C=H/G;var F=10;if(C<1.5){F=1}else{if(C<2.25){F=2}else{if(C<3){F=((B==0)?2:2.5)}else{if(C<7.5){F=5}}}}return F*G},defaultTickFormatter:function(A){return A+""},defaultTrackFormatter:function(A){return"("+A.x+", "+A.y+")"},defaultPieLabelFormatter:function(A){return(A.fraction*100).toFixed(2)+"%"},getMagnitude:function(A){return Math.pow(10,Math.floor(Math.log(A)/Math.LN10))},toPixel:function(A){return Math.floor(A)+0.5},toRad:function(A){return -A*(Math.PI/180)},parseColor:function(D){if(D instanceof Flotr.Color){return D}var A,C=Flotr.Color;if((A=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(D))){return new C(parseInt(A[1]),parseInt(A[2]),parseInt(A[3]))}if((A=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(D))){return new C(parseInt(A[1]),parseInt(A[2]),parseInt(A[3]),parseFloat(A[4]))}if((A=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(D))){return new C(parseFloat(A[1])*2.55,parseFloat(A[2])*2.55,parseFloat(A[3])*2.55)}if((A=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(D))){return new C(parseFloat(A[1])*2.55,parseFloat(A[2])*2.55,parseFloat(A[3])*2.55,parseFloat(A[4]))}if((A=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(D))){return new C(parseInt(A[1],16),parseInt(A[2],16),parseInt(A[3],16))}if((A=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(D))){return new C(parseInt(A[1]+A[1],16),parseInt(A[2]+A[2],16),parseInt(A[3]+A[3],16))}var B=D.strip().toLowerCase();if(B=="transparent"){return new C(255,255,255,0)}return((A=C.lookupColors[B]))?new C(A[0],A[1],A[2]):false},extractColor:function(B){var A;do{A=B.getStyle("background-color").toLowerCase();if(!(A==""||A=="transparent")){break}B=B.up(0)}while(!B.nodeName.match(/^body$/i));return(A=="rgba(0, 0, 0, 0)")?"transparent":A}};Flotr.Graph=Class.create({initialize:function(B,C,A){this.el=$(B);if(!this.el){throw"The target container doesn't exist"}this.data=C;this.series=Flotr.getSeries(C);this.setOptions(A);this.lastMousePos={pageX:null,pageY:null};this.selection={first:{x:-1,y:-1},second:{x:-1,y:-1}};this.prevSelection=null;this.selectionInterval=null;this.ignoreClick=false;this.prevHit=null;this.constructCanvas();this.initEvents();this.findDataRanges();this.calculateTicks(this.axes.x);this.calculateTicks(this.axes.x2);this.calculateTicks(this.axes.y);this.calculateTicks(this.axes.y2);this.calculateSpacing();this.draw();this.insertLegend();if(this.options.spreadsheet.show){this.constructTabs()}},setOptions:function(B){var P={colors:["#00A8F0","#C0D800","#CB4B4B","#4DA74D","#9440ED"],title:null,subtitle:null,legend:{show:true,noColumns:1,labelFormatter:Prototype.K,labelBoxBorderColor:"#CCCCCC",labelBoxWidth:14,labelBoxHeight:10,labelBoxMargin:5,container:null,position:"nw",margin:5,backgroundColor:null,backgroundOpacity:0.85},xaxis:{ticks:null,showLabels:true,labelsAngle:0,title:null,titleAngle:0,noTicks:5,tickFormatter:Flotr.defaultTickFormatter,tickDecimals:null,min:null,max:null,autoscaleMargin:0,color:null},x2axis:{},yaxis:{ticks:null,showLabels:true,labelsAngle:0,title:null,titleAngle:90,noTicks:5,tickFormatter:Flotr.defaultTickFormatter,tickDecimals:null,min:null,max:null,autoscaleMargin:0,color:null},y2axis:{titleAngle:270},points:{show:false,radius:3,lineWidth:2,fill:true,fillColor:"#FFFFFF",fillOpacity:0.4},lines:{show:false,lineWidth:2,fill:false,fillColor:null,fillOpacity:0.4},bars:{show:false,lineWidth:2,barWidth:1,fill:true,fillColor:null,fillOpacity:0.4,horizontal:false,stacked:false},candles:{show:false,lineWidth:1,wickLineWidth:1,candleWidth:0.6,fill:true,upFillColor:"#00A8F0",downFillColor:"#CB4B4B",fillOpacity:0.5,barcharts:false},pie:{show:false,lineWidth:1,fill:true,fillColor:null,fillOpacity:0.6,explode:6,sizeRatio:0.6,startAngle:Math.PI/4,labelFormatter:Flotr.defaultPieLabelFormatter,pie3D:false,pie3DviewAngle:(Math.PI/2*0.8),pie3DspliceThickness:20},grid:{color:"#545454",backgroundColor:null,tickColor:"#DDDDDD",labelMargin:3,verticalLines:true,horizontalLines:true,outlineWidth:2},selection:{mode:null,color:"#B6D9FF",fps:20},mouse:{track:false,position:"se",relative:false,trackFormatter:Flotr.defaultTrackFormatter,margin:5,lineColor:"#FF3F19",trackDecimals:1,sensibility:2,radius:3},shadowSize:4,defaultType:"lines",HtmlText:true,fontSize:7.5,spreadsheet:{show:false,tabGraphLabel:"Graph",tabDataLabel:"Data",toolbarDownload:"Download CSV",toolbarSelectAll:"Select all"}};P.x2axis=Object.extend(Object.clone(P.xaxis),P.x2axis);P.y2axis=Object.extend(Object.clone(P.yaxis),P.y2axis);this.options=Flotr.merge((B||{}),P);this.axes={x:{options:this.options.xaxis,n:1},x2:{options:this.options.x2axis,n:2},y:{options:this.options.yaxis,n:1},y2:{options:this.options.y2axis,n:2}};var H=[],C=[],K=this.series.length,N=this.series.length,D=this.options.colors,A=[],G=0,M,J,I,O,E;for(J=N-1;J>-1;--J){M=this.series[J].color;if(M!=null){--N;if(Object.isNumber(M)){H.push(M)}else{A.push(Flotr.parseColor(M))}}}for(J=H.length-1;J>-1;--J){N=Math.max(N,H[J]+1)}for(J=0;C.length<N;){M=(D.length==J)?new Flotr.Color(100,100,100):Flotr.parseColor(D[J]);var F=G%2==1?-1:1;var L=1+F*Math.ceil(G/2)*0.2;M.scale(L,L,L);C.push(M);if(++J>=D.length){J=0;++G}}for(J=0,I=0;J<K;++J){O=this.series[J];if(O.color==null){O.color=C[I++].toString()}else{if(Object.isNumber(O.color)){O.color=C[O.color].toString()}}if(!O.xaxis){O.xaxis=this.axes.x}if(O.xaxis==1){O.xaxis=this.axes.x}else{if(O.xaxis==2){O.xaxis=this.axes.x2}}if(!O.yaxis){O.yaxis=this.axes.y}if(O.yaxis==1){O.yaxis=this.axes.y}else{if(O.yaxis==2){O.yaxis=this.axes.y2}}O.lines=Object.extend(Object.clone(this.options.lines),O.lines);O.points=Object.extend(Object.clone(this.options.points),O.points);O.bars=Object.extend(Object.clone(this.options.bars),O.bars);O.candles=Object.extend(Object.clone(this.options.candles),O.candles);O.pie=Object.extend(Object.clone(this.options.pie),O.pie);O.mouse=Object.extend(Object.clone(this.options.mouse),O.mouse);if(O.shadowSize==null){O.shadowSize=this.options.shadowSize}}},constructCanvas:function(){var C=this.el,B,D,A;this.canvas=C.select(".flotr-canvas")[0];this.overlay=C.select(".flotr-overlay")[0];C.childElements().invoke("remove");C.setStyle({position:"relative",cursor:"default"});this.canvasWidth=C.getWidth();this.canvasHeight=C.getHeight();B={width:this.canvasWidth,height:this.canvasHeight};if(this.canvasWidth<=0||this.canvasHeight<=0){throw"Invalid dimensions for plot, width = "+this.canvasWidth+", height = "+this.canvasHeight}if(!this.canvas){D=this.canvas=new Element("canvas",B);D.className="flotr-canvas";D=D.writeAttribute("style","position:absolute;left:0px;top:0px;")}else{D=this.canvas.writeAttribute(B)}C.insert(D);if(Prototype.Browser.IE){D=window.G_vmlCanvasManager.initElement(D)}this.ctx=D.getContext("2d");if(!this.overlay){A=this.overlay=new Element("canvas",B);A.className="flotr-overlay";A=A.writeAttribute("style","position:absolute;left:0px;top:0px;")}else{A=this.overlay.writeAttribute(B)}C.insert(A);if(Prototype.Browser.IE){A=window.G_vmlCanvasManager.initElement(A)}this.octx=A.getContext("2d");if(window.CanvasText){CanvasText.enable(this.ctx);CanvasText.enable(this.octx);this.textEnabled=true}},getTextDimensions:function(F,C,B,D){if(!F){return{width:0,height:0}}if(!this.options.HtmlText&&this.textEnabled){var E=this.ctx.getTextBounds(F,C);return{width:E.width+2,height:E.height+6}}else{var A=this.el.insert('<div style="position:absolute;top:-10000px;'+B+'" class="'+D+' flotr-dummy-div">'+F+"</div>").select(".flotr-dummy-div")[0];dim=A.getDimensions();A.remove();return dim}},loadDataGrid:function(){if(this.seriesData){return this.seriesData}var A=this.series;var B=[];for(i=0;i<A.length;++i){A[i].data.each(function(D){var C=D[0],F=D[1];if(r=B.find(function(G){return G[0]==C})){r[i+1]=F}else{var E=[];E[0]=C;E[i+1]=F;B.push(E)}})}B=B.sortBy(function(C){return C[0]});return this.seriesData=B},showTab:function(B,C){var A="canvas, .flotr-labels, .flotr-legend, .flotr-legend-bg, .flotr-title, .flotr-subtitle";switch(B){case"graph":this.datagrid.up().hide();this.el.select(A).invoke("show");this.tabs.data.removeClassName("selected");this.tabs.graph.addClassName("selected");break;case"data":this.constructDataGrid();this.datagrid.up().show();this.el.select(A).invoke("hide");this.tabs.data.addClassName("selected");this.tabs.graph.removeClassName("selected");break}},constructTabs:function(){var A=new Element("div",{className:"flotr-tabs-group",style:"position:absolute;left:0px;top:"+this.canvasHeight+"px;width:"+this.canvasWidth+"px;"});this.el.insert({bottom:A});this.tabs={graph:new Element("div",{className:"flotr-tab selected",style:"float:left;"}).update(this.options.spreadsheet.tabGraphLabel),data:new Element("div",{className:"flotr-tab",style:"float:left;"}).update(this.options.spreadsheet.tabDataLabel)};A.insert(this.tabs.graph).insert(this.tabs.data);this.el.setStyle({height:this.canvasHeight+this.tabs.data.getHeight()+2+"px"});this.tabs.graph.observe("click",(function(){this.showTab("graph")}).bind(this));this.tabs.data.observe("click",(function(){this.showTab("data")}).bind(this))},constructDataGrid:function(){if(this.datagrid){return this.datagrid}var D,B,L=this.series,J=this.loadDataGrid();var K=this.datagrid=new Element("table",{className:"flotr-datagrid",style:"height:100px;"});var C=["<colgroup><col />"];var F=['<tr class="first-row">'];F.push("<th>&nbsp;</th>");for(D=0;D<L.length;++D){F.push('<th scope="col">'+(L[D].label||String.fromCharCode(65+D))+"</th>");C.push("<col />")}F.push("</tr>");for(B=0;B<J.length;++B){F.push("<tr>");for(D=0;D<L.length+1;++D){var M="td";var G=(J[B][D]!=null?Math.round(J[B][D]*100000)/100000:"");if(D==0){M="th";var I;if(this.options.xaxis.ticks){var E=this.options.xaxis.ticks.find(function(N){return N[0]==J[B][D]});if(E){I=E[1]}}else{I=this.options.xaxis.tickFormatter(G)}if(I){G=I}}F.push("<"+M+(M=="th"?' scope="row"':"")+">"+G+"</"+M+">")}F.push("</tr>")}C.push("</colgroup>");K.update(C.join("")+F.join(""));if(!Prototype.Browser.IE){K.select("td").each(function(N){N.observe("mouseover",function(O){N=O.element();var P=N.previousSiblings();K.select("th[scope=col]")[P.length-1].addClassName("hover");K.select("colgroup col")[P.length].addClassName("hover")});N.observe("mouseout",function(){K.select("colgroup col.hover, th.hover").each(function(O){O.removeClassName("hover")})})})}var H=new Element("div",{className:"flotr-datagrid-toolbar"}).insert(new Element("button",{type:"button",className:"flotr-datagrid-toolbar-button"}).update(this.options.spreadsheet.toolbarDownload).observe("click",this.downloadCSV.bind(this))).insert(new Element("button",{type:"button",className:"flotr-datagrid-toolbar-button"}).update(this.options.spreadsheet.toolbarSelectAll).observe("click",this.selectAllData.bind(this)));var A=new Element("div",{className:"flotr-datagrid-container",style:"left:0px;top:0px;width:"+this.canvasWidth+"px;height:"+this.canvasHeight+"px;overflow:auto;"});A.insert(H);K.wrap(A.hide());this.el.insert(A);return K},selectAllData:function(){if(this.tabs){var B,A,E,D,C=this.constructDataGrid();this.showTab("data");(function(){if((E=C.ownerDocument)&&(D=E.defaultView)&&D.getSelection&&E.createRange&&(B=window.getSelection())&&B.removeAllRanges){A=E.createRange();A.selectNode(C);B.removeAllRanges();B.addRange(A)}else{if(document.body&&document.body.createTextRange&&(A=document.body.createTextRange())){A.moveToElementText(C);A.select()}}}).defer();return true}else{return false}},downloadCSV:function(){var D,A='"x"',C=this.series,E=this.loadDataGrid();for(D=0;D<C.length;++D){A+='%09"'+(C[D].label||String.fromCharCode(65+D))+'"'}A+="%0D%0A";for(D=0;D<E.length;++D){if(this.options.xaxis.ticks){var B=this.options.xaxis.ticks.find(function(F){return F[0]==E[D][0]});if(B){E[D][0]=B[1]}}else{E[D][0]=this.options.xaxis.tickFormatter(E[D][0])}A+=E[D].join("%09")+"%0D%0A"}if(Prototype.Browser.IE){A=A.gsub("%09","\t").gsub("%0A","\n").gsub("%0D","\r");window.open().document.write(A)}else{window.open("data:text/csv,"+A)}},initEvents:function(){this.overlay.stopObserving();this.overlay.observe("mousedown",this.mouseDownHandler.bind(this));this.overlay.observe("mousemove",this.mouseMoveHandler.bind(this));this.overlay.observe("click",this.clickHandler.bind(this))},findDataRanges:function(){var J=this.series,G=this.axes;G.x.datamin=0;G.x.datamax=0;G.x2.datamin=0;G.x2.datamax=0;G.y.datamin=0;G.y.datamax=0;G.y2.datamin=0;G.y2.datamax=0;if(J.length>0){var C,A,D,H,F,B,I,E;for(C=0;C<J.length;++C){B=J[C].data,I=J[C].xaxis,E=J[C].yaxis;if(B.length>0&&!J[C].hide){if(!I.used){I.datamin=I.datamax=B[0][0]}if(!E.used){E.datamin=E.datamax=B[0][1]}I.used=true;E.used=true;for(D=B.length-1;D>-1;--D){H=B[D][0];if(H<I.datamin){I.datamin=H}else{if(H>I.datamax){I.datamax=H}}for(A=1;A<B[D].length;A++){F=B[D][A];if(F<E.datamin){E.datamin=F}else{if(F>E.datamax){E.datamax=F}}}}}}}this.findXAxesValues();this.calculateRange(G.x);this.extendXRangeIfNeededByBar(G.x);if(G.x2.used){this.calculateRange(G.x2);this.extendXRangeIfNeededByBar(G.x2)}this.calculateRange(G.y);this.extendYRangeIfNeededByBar(G.y);if(G.y2.used){this.calculateRange(G.y2);this.extendYRangeIfNeededByBar(G.y2)}},calculateRange:function(D){var F=D.options,C=F.min!=null?F.min:D.datamin,A=F.max!=null?F.max:D.datamax,E;if(A-C==0){var B=(A==0)?1:0.01;C-=B;A+=B}D.tickSize=Flotr.getTickSize(F.noTicks,C,A,F.tickDecimals);if(F.min==null){E=F.autoscaleMargin;if(E!=0){C-=D.tickSize*E;if(C<0&&D.datamin>=0){C=0}C=D.tickSize*Math.floor(C/D.tickSize)}}if(F.max==null){E=F.autoscaleMargin;if(E!=0){A+=D.tickSize*E;if(A>0&&D.datamax<=0){A=0}A=D.tickSize*Math.ceil(A/D.tickSize)}}D.min=C;D.max=A},extendXRangeIfNeededByBar:function(A){if(A.options.max==null){var D=A.max,B,I,F,E,H=[],C=null;for(B=0;B<this.series.length;++B){I=this.series[B];F=I.bars;E=I.candles;if(I.axis==A&&(F.show||E.show)){if(!F.horizontal&&(F.barWidth+A.datamax>D)||(E.candleWidth+A.datamax>D)){D=A.max+I.bars.barWidth}if(F.stacked&&F.horizontal){for(j=0;j<I.data.length;j++){if(I.bars.show&&I.bars.stacked){var G=I.data[j][0];H[G]=(H[G]||0)+I.data[j][1];C=I}}for(j=0;j<H.length;j++){D=Math.max(H[j],D)}}}}A.lastSerie=C;A.max=D}},extendYRangeIfNeededByBar:function(A){if(A.options.max==null){var D=A.max,B,I,F,E,H=[],C=null;for(B=0;B<this.series.length;++B){I=this.series[B];F=I.bars;E=I.candles;if(I.yaxis==A&&F.show&&!I.hide){if(F.horizontal&&(F.barWidth+A.datamax>D)||(E.candleWidth+A.datamax>D)){D=A.max+F.barWidth}if(F.stacked&&!F.horizontal){for(j=0;j<I.data.length;j++){if(I.bars.show&&I.bars.stacked){var G=I.data[j][0];H[G]=(H[G]||0)+I.data[j][1];C=I}}for(j=0;j<H.length;j++){D=Math.max(H[j],D)}}}}A.lastSerie=C;A.max=D}},findXAxesValues:function(){for(i=this.series.length-1;i>-1;--i){s=this.series[i];s.xaxis.values=s.xaxis.values||[];for(j=s.data.length-1;j>-1;--j){s.xaxis.values[s.data[j][0]]={}}}},calculateTicks:function(D){var B=D.options,E,H;D.ticks=[];if(B.ticks){var G=B.ticks,I,F;if(Object.isFunction(G)){G=G({min:D.min,max:D.max})}for(E=0;E<G.length;++E){I=G[E];if(typeof (I)=="object"){H=I[0];F=(I.length>1)?I[1]:B.tickFormatter(H)}else{H=I;F=B.tickFormatter(H)}D.ticks[E]={v:H,label:F}}}else{var A=D.tickSize*Math.ceil(D.min/D.tickSize),C;for(E=0;A+E*D.tickSize<=D.max;++E){H=A+E*D.tickSize;C=B.tickDecimals;if(C==null){C=1-Math.floor(Math.log(D.tickSize)/Math.LN10)}if(C<0){C=0}H=H.toFixed(C);D.ticks.push({v:H,label:B.tickFormatter(H)})}}},calculateSpacing:function(){var L=this.axes,N=this.options,H=this.series,D=N.grid.labelMargin,M=L.x,A=L.x2,J=L.y,K=L.y2,F=2,G,E,C,I;[M,A,J,K].each(function(P){var O="";if(P.options.showLabels){for(G=0;G<P.ticks.length;++G){C=P.ticks[G].label.length;if(C>O.length){O=P.ticks[G].label}}}P.maxLabel=this.getTextDimensions(O,{size:N.fontSize,angle:Flotr.toRad(P.options.labelsAngle)},"font-size:smaller;","flotr-grid-label");P.titleSize=this.getTextDimensions(P.options.title,{size:N.fontSize*1.2,angle:Flotr.toRad(P.options.titleAngle)},"font-weight:bold;","flotr-axis-title")},this);I=this.getTextDimensions(N.title,{size:N.fontSize*1.5},"font-size:1em;font-weight:bold;","flotr-title");this.titleHeight=I.height;I=this.getTextDimensions(N.subtitle,{size:N.fontSize},"font-size:smaller;","flotr-subtitle");this.subtitleHeight=I.height;if(N.show){F=Math.max(F,N.points.radius+N.points.lineWidth/2)}for(E=0;E<N.length;++E){if(H[E].points.show){F=Math.max(F,H[E].points.radius+H[E].points.lineWidth/2)}}var B=this.plotOffset={left:0,right:0,top:0,bottom:0};B.left=B.right=B.top=B.bottom=F;B.bottom+=(M.options.showLabels?(M.maxLabel.height+D):0)+(M.options.title?(M.titleSize.height+D):0);B.top+=(A.options.showLabels?(A.maxLabel.height+D):0)+(A.options.title?(A.titleSize.height+D):0)+this.subtitleHeight+this.titleHeight;B.left+=(J.options.showLabels?(J.maxLabel.width+D):0)+(J.options.title?(J.titleSize.width+D):0);B.right+=(K.options.showLabels?(K.maxLabel.width+D):0)+(K.options.title?(K.titleSize.width+D):0);B.top=Math.floor(B.top);this.plotWidth=this.canvasWidth-B.left-B.right;this.plotHeight=this.canvasHeight-B.bottom-B.top;M.scale=this.plotWidth/(M.max-M.min);A.scale=this.plotWidth/(A.max-A.min);J.scale=this.plotHeight/(J.max-J.min);K.scale=this.plotHeight/(K.max-K.min)},draw:function(){this.drawGrid();this.drawLabels();this.drawTitles();if(this.series.length){this.el.fire("flotr:beforedraw",[this.series,this]);for(var A=0;A<this.series.length;A++){if(!this.series[A].hide){this.drawSeries(this.series[A])}}}this.el.fire("flotr:afterdraw",[this.series,this])},tHoz:function(A,B){B=B||this.axes.x;return(A-B.min)*B.scale},tVert:function(B,A){A=A||this.axes.y;return this.plotHeight-(B-A.min)*A.scale},drawGrid:function(){var B,E=this.options,A=this.ctx;if(E.grid.verticalLines||E.grid.horizontalLines){this.el.fire("flotr:beforegrid",[this.axes.x,this.axes.y,E,this])}A.save();A.translate(this.plotOffset.left,this.plotOffset.top);if(E.grid.backgroundColor!=null){A.fillStyle=E.grid.backgroundColor;A.fillRect(0,0,this.plotWidth,this.plotHeight)}A.lineWidth=1;A.strokeStyle=E.grid.tickColor;A.beginPath();if(E.grid.verticalLines){for(var D=0;D<this.axes.x.ticks.length;++D){B=this.axes.x.ticks[D].v;if((B==this.axes.x.min||B==this.axes.x.max)&&E.grid.outlineWidth!=0){continue}A.moveTo(Math.floor(this.tHoz(B))+A.lineWidth/2,0);A.lineTo(Math.floor(this.tHoz(B))+A.lineWidth/2,this.plotHeight)}}if(E.grid.horizontalLines){for(var C=0;C<this.axes.y.ticks.length;++C){B=this.axes.y.ticks[C].v;if((B==this.axes.y.min||B==this.axes.y.max)&&E.grid.outlineWidth!=0){continue}A.moveTo(0,Math.floor(this.tVert(B))+A.lineWidth/2);A.lineTo(this.plotWidth,Math.floor(this.tVert(B))+A.lineWidth/2)}}A.stroke();if(E.grid.outlineWidth!=0){A.lineWidth=E.grid.outlineWidth;A.strokeStyle=E.grid.color;A.lineJoin="round";A.strokeRect(0,0,this.plotWidth,this.plotHeight)}A.restore();if(E.grid.verticalLines||E.grid.horizontalLines){this.el.fire("flotr:aftergrid",[this.axes.x,this.axes.y,E,this])}},drawLabels:function(){var C=0,D,B,E,F,G,J=this.options,I=this.ctx,H=this.axes;for(E=0;E<H.x.ticks.length;++E){if(H.x.ticks[E].label){++C}}B=this.plotWidth/C;if(!J.HtmlText&&this.textEnabled){var A={size:J.fontSize,adjustAlign:true};D=H.x;A.color=D.options.color||J.grid.color;for(E=0;E<D.ticks.length&&D.options.showLabels&&D.used;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}A.angle=Flotr.toRad(D.options.labelsAngle);A.halign="c";A.valign="t";I.drawText(G.label,this.plotOffset.left+this.tHoz(G.v,D),this.plotOffset.top+this.plotHeight+J.grid.labelMargin,A)}D=H.x2;A.color=D.options.color||J.grid.color;for(E=0;E<D.ticks.length&&D.options.showLabels&&D.used;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}A.angle=Flotr.toRad(D.options.labelsAngle);A.halign="c";A.valign="b";I.drawText(G.label,this.plotOffset.left+this.tHoz(G.v,D),this.plotOffset.top+J.grid.labelMargin,A)}D=H.y;A.color=D.options.color||J.grid.color;for(E=0;E<D.ticks.length&&D.options.showLabels&&D.used;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}A.angle=Flotr.toRad(D.options.labelsAngle);A.halign="r";A.valign="m";I.drawText(G.label,this.plotOffset.left-J.grid.labelMargin,this.plotOffset.top+this.tVert(G.v,D),A)}D=H.y2;A.color=D.options.color||J.grid.color;for(E=0;E<D.ticks.length&&D.options.showLabels&&D.used;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}A.angle=Flotr.toRad(D.options.labelsAngle);A.halign="l";A.valign="m";I.drawText(G.label,this.plotOffset.left+this.plotWidth+J.grid.labelMargin,this.plotOffset.top+this.tVert(G.v,D),A);I.save();I.strokeStyle=A.color;I.beginPath();I.moveTo(this.plotOffset.left+this.plotWidth-8,this.plotOffset.top+this.tVert(G.v,D));I.lineTo(this.plotOffset.left+this.plotWidth,this.plotOffset.top+this.tVert(G.v,D));I.stroke();I.restore()}}else{if(H.x.options.showLabels||H.x2.options.showLabels||H.y.options.showLabels||H.y2.options.showLabels){F=['<div style="font-size:smaller;color:'+J.grid.color+';" class="flotr-labels">'];D=H.x;if(D.options.showLabels){for(E=0;E<D.ticks.length;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}F.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.plotHeight+J.grid.labelMargin)+"px;left:"+(this.plotOffset.left+this.tHoz(G.v,D)-B/2)+"px;width:"+B+"px;text-align:center;"+(D.options.color?("color:"+D.options.color+";"):"")+'" class="flotr-grid-label">'+G.label+"</div>")}}D=H.x2;if(D.options.showLabels&&D.used){for(E=0;E<D.ticks.length;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}F.push('<div style="position:absolute;top:'+(this.plotOffset.top-J.grid.labelMargin-D.maxLabel.height)+"px;left:"+(this.plotOffset.left+this.tHoz(G.v,D)-B/2)+"px;width:"+B+"px;text-align:center;"+(D.options.color?("color:"+D.options.color+";"):"")+'" class="flotr-grid-label">'+G.label+"</div>")}}D=H.y;if(D.options.showLabels){for(E=0;E<D.ticks.length;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}F.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.tVert(G.v,D)-D.maxLabel.height/2)+"px;left:0;width:"+(this.plotOffset.left-J.grid.labelMargin)+"px;text-align:right;"+(D.options.color?("color:"+D.options.color+";"):"")+'" class="flotr-grid-label">'+G.label+"</div>")}}D=H.y2;if(D.options.showLabels&&D.used){I.save();I.strokeStyle=D.options.color||J.grid.color;I.beginPath();for(E=0;E<D.ticks.length;++E){G=D.ticks[E];if(!G.label||G.label.length==0){continue}F.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.tVert(G.v,D)-D.maxLabel.height/2)+"px;right:0;width:"+(this.plotOffset.right-J.grid.labelMargin)+"px;text-align:left;"+(D.options.color?("color:"+D.options.color+";"):"")+'" class="flotr-grid-label">'+G.label+"</div>");I.moveTo(this.plotOffset.left+this.plotWidth-8,this.plotOffset.top+this.tVert(G.v,D));I.lineTo(this.plotOffset.left+this.plotWidth,this.plotOffset.top+this.tVert(G.v,D))}I.stroke();I.restore()}F.push("</div>");this.el.insert(F.join(""))}}},drawTitles:function(){var D,C=this.options,F=C.grid.labelMargin,B=this.ctx,A=this.axes;if(!C.HtmlText&&this.textEnabled){var E={size:C.fontSize,color:C.grid.color,halign:"c"};if(C.subtitle){B.drawText(C.subtitle,this.plotOffset.left+this.plotWidth/2,this.titleHeight+this.subtitleHeight-2,E)}E.weight=1.5;E.size*=1.5;if(C.title){B.drawText(C.title,this.plotOffset.left+this.plotWidth/2,this.titleHeight-2,E)}E.weight=1.8;E.size*=0.8;E.adjustAlign=true;if(A.x.options.title&&A.x.used){E.halign="c";E.valign="t";E.angle=Flotr.toRad(A.x.options.titleAngle);B.drawText(A.x.options.title,this.plotOffset.left+this.plotWidth/2,this.plotOffset.top+A.x.maxLabel.height+this.plotHeight+2*F,E)}if(A.x2.options.title&&A.x2.used){E.halign="c";E.valign="b";E.angle=Flotr.toRad(A.x2.options.titleAngle);B.drawText(A.x2.options.title,this.plotOffset.left+this.plotWidth/2,this.plotOffset.top-A.x2.maxLabel.height-2*F,E)}if(A.y.options.title&&A.y.used){E.halign="r";E.valign="m";E.angle=Flotr.toRad(A.y.options.titleAngle);B.drawText(A.y.options.title,this.plotOffset.left-A.y.maxLabel.width-2*F,this.plotOffset.top+this.plotHeight/2,E)}if(A.y2.options.title&&A.y2.used){E.halign="l";E.valign="m";E.angle=Flotr.toRad(A.y2.options.titleAngle);B.drawText(A.y2.options.title,this.plotOffset.left+this.plotWidth+A.y2.maxLabel.width+2*F,this.plotOffset.top+this.plotHeight/2,E)}}else{D=['<div style="color:'+C.grid.color+';" class="flotr-titles">'];if(C.title){D.push('<div style="position:absolute;top:0;left:'+this.plotOffset.left+"px;font-size:1em;font-weight:bold;text-align:center;width:"+this.plotWidth+'px;" class="flotr-title">'+C.title+"</div>")}if(C.subtitle){D.push('<div style="position:absolute;top:'+this.titleHeight+"px;left:"+this.plotOffset.left+"px;font-size:smaller;text-align:center;width:"+this.plotWidth+'px;" class="flotr-subtitle">'+C.subtitle+"</div>")}D.push("</div>");D.push('<div class="flotr-axis-title" style="font-weight:bold;">');if(A.x.options.title&&A.x.used){D.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.plotHeight+C.grid.labelMargin+A.x.titleSize.height)+"px;left:"+this.plotOffset.left+"px;width:"+this.plotWidth+'px;text-align:center;" class="flotr-axis-title">'+A.x.options.title+"</div>")}if(A.x2.options.title&&A.x2.used){D.push('<div style="position:absolute;top:0;left:'+this.plotOffset.left+"px;width:"+this.plotWidth+'px;text-align:center;" class="flotr-axis-title">'+A.x2.options.title+"</div>")}if(A.y.options.title&&A.y.used){D.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.plotHeight/2-A.y.titleSize.height/2)+'px;left:0;text-align:right;" class="flotr-axis-title">'+A.y.options.title+"</div>")}if(A.y2.options.title&&A.y2.used){D.push('<div style="position:absolute;top:'+(this.plotOffset.top+this.plotHeight/2-A.y.titleSize.height/2)+'px;right:0;text-align:right;" class="flotr-axis-title">'+A.y2.options.title+"</div>")}D.push("</div>");this.el.insert(D.join(""))}},drawSeries:function(A){A=A||this.series;var C=false;for(var B in Flotr._registeredTypes){if(A[B]&&A[B].show){this[Flotr._registeredTypes[B]](A);C=true}}if(!C){this[Flotr._registeredTypes[this.options.defaultType]](A)}},plotLine:function(I,F){var O=this.ctx,A=I.xaxis,K=I.yaxis,J=this.tHoz.bind(this),M=this.tVert.bind(this),H=I.data;if(H.length<2){return }var E=J(H[0][0],A),D=M(H[0][1],K)+F;O.beginPath();O.moveTo(E,D);for(var G=0;G<H.length-1;++G){var C=H[G][0],N=H[G][1],B=H[G+1][0],L=H[G+1][1];if(N===null||L===null){continue}if(N<=L&&N<K.min){if(L<K.min){continue}C=(K.min-N)/(L-N)*(B-C)+C;N=K.min}else{if(L<=N&&L<K.min){if(N<K.min){continue}B=(K.min-N)/(L-N)*(B-C)+C;L=K.min}}if(N>=L&&N>K.max){if(L>K.max){continue}C=(K.max-N)/(L-N)*(B-C)+C;N=K.max}else{if(L>=N&&L>K.max){if(N>K.max){continue}B=(K.max-N)/(L-N)*(B-C)+C;L=K.max}}if(C<=B&&C<A.min){if(B<A.min){continue}N=(A.min-C)/(B-C)*(L-N)+N;C=A.min}else{if(B<=C&&B<A.min){if(C<A.min){continue}L=(A.min-C)/(B-C)*(L-N)+N;B=A.min}}if(C>=B&&C>A.max){if(B>A.max){continue}N=(A.max-C)/(B-C)*(L-N)+N;C=A.max}else{if(B>=C&&B>A.max){if(C>A.max){continue}L=(A.max-C)/(B-C)*(L-N)+N;B=A.max}}if(E!=J(C,A)||D!=M(N,K)+F){O.moveTo(J(C,A),M(N,K)+F)}E=J(B,A);D=M(L,K)+F;O.lineTo(E,D)}O.stroke()},plotLineArea:function(J,D){var S=J.data;if(S.length<2){return }var L,G=0,N=this.ctx,Q=J.xaxis,B=J.yaxis,E=this.tHoz.bind(this),M=this.tVert.bind(this),H=Math.min(Math.max(0,B.min),B.max),F=true;N.beginPath();for(var O=0;O<S.length-1;++O){var R=S[O][0],C=S[O][1],P=S[O+1][0],A=S[O+1][1];if(R<=P&&R<Q.min){if(P<Q.min){continue}C=(Q.min-R)/(P-R)*(A-C)+C;R=Q.min}else{if(P<=R&&P<Q.min){if(R<Q.min){continue}A=(Q.min-R)/(P-R)*(A-C)+C;P=Q.min}}if(R>=P&&R>Q.max){if(P>Q.max){continue}C=(Q.max-R)/(P-R)*(A-C)+C;R=Q.max}else{if(P>=R&&P>Q.max){if(R>Q.max){continue}A=(Q.max-R)/(P-R)*(A-C)+C;P=Q.max}}if(F){N.moveTo(E(R,Q),M(H,B)+D);F=false}if(C>=B.max&&A>=B.max){N.lineTo(E(R,Q),M(B.max,B)+D);N.lineTo(E(P,Q),M(B.max,B)+D);continue}else{if(C<=B.min&&A<=B.min){N.lineTo(E(R,Q),M(B.min,B)+D);N.lineTo(E(P,Q),M(B.min,B)+D);continue}}var I=R,K=P;if(C<=A&&C<B.min&&A>=B.min){R=(B.min-C)/(A-C)*(P-R)+R;C=B.min}else{if(A<=C&&A<B.min&&C>=B.min){P=(B.min-C)/(A-C)*(P-R)+R;A=B.min}}if(C>=A&&C>B.max&&A<=B.max){R=(B.max-C)/(A-C)*(P-R)+R;C=B.max}else{if(A>=C&&A>B.max&&C<=B.max){P=(B.max-C)/(A-C)*(P-R)+R;A=B.max}}if(R!=I){L=(C<=B.min)?L=B.min:B.max;N.lineTo(E(I,Q),M(L,B)+D);N.lineTo(E(R,Q),M(L,B)+D)}N.lineTo(E(R,Q),M(C,B)+D);N.lineTo(E(P,Q),M(A,B)+D);if(P!=K){L=(A<=B.min)?B.min:B.max;N.lineTo(E(K,Q),M(L,B)+D);N.lineTo(E(P,Q),M(L,B)+D)}G=Math.max(P,K)}N.lineTo(E(G,Q),M(H,B)+D);N.closePath();N.fill()},drawSeriesLines:function(C){C=C||this.series;var B=this.ctx;B.save();B.translate(this.plotOffset.left,this.plotOffset.top);B.lineJoin="round";var D=C.lines.lineWidth;var A=C.shadowSize;if(A>0){B.lineWidth=A/2;var E=D/2+B.lineWidth/2;B.strokeStyle="rgba(0,0,0,0.1)";this.plotLine(C,E+A/2);B.strokeStyle="rgba(0,0,0,0.2)";this.plotLine(C,E);if(C.lines.fill){B.fillStyle="rgba(0,0,0,0.05)";this.plotLineArea(C,E+A/2)}}B.lineWidth=D;B.strokeStyle=C.color;if(C.lines.fill){B.fillStyle=C.lines.fillColor!=null?C.lines.fillColor:Flotr.parseColor(C.color).scale(null,null,null,C.lines.fillOpacity).toString();this.plotLineArea(C,0)}this.plotLine(C,0);B.restore()},drawSeriesPoints:function(C){var B=this.ctx;B.save();B.translate(this.plotOffset.left,this.plotOffset.top);var D=C.lines.lineWidth;var A=C.shadowSize;if(A>0){B.lineWidth=A/2;B.strokeStyle="rgba(0,0,0,0.1)";this.plotPointShadows(C,A/2+B.lineWidth/2,C.points.radius);B.strokeStyle="rgba(0,0,0,0.2)";this.plotPointShadows(C,B.lineWidth/2,C.points.radius)}B.lineWidth=C.points.lineWidth;B.strokeStyle=C.color;B.fillStyle=C.points.fillColor!=null?C.points.fillColor:C.color;this.plotPoints(C,C.points.radius,C.points.fill);B.restore()},plotPoints:function(C,E,I){var A=C.xaxis,F=C.yaxis,J=this.ctx,D,B=C.data;for(D=B.length-1;D>-1;--D){var H=B[D][0],G=B[D][1];if(H<A.min||H>A.max||G<F.min||G>F.max){continue}J.beginPath();J.arc(this.tHoz(H,A),this.tVert(G,F),E,0,2*Math.PI,true);if(I){J.fill()}J.stroke()}},plotPointShadows:function(D,B,F){var A=D.xaxis,G=D.yaxis,J=this.ctx,E,C=D.data;for(E=C.length-1;E>-1;--E){var I=C[E][0],H=C[E][1];if(I<A.min||I>A.max||H<G.min||H>G.max){continue}J.beginPath();J.arc(this.tHoz(I,A),this.tVert(H,G)+B,F,0,Math.PI,false);J.stroke()}},drawSeriesBars:function(B){var A=this.ctx,D=B.bars.barWidth,C=Math.min(B.bars.lineWidth,D);A.save();A.translate(this.plotOffset.left,this.plotOffset.top);A.lineJoin="miter";A.lineWidth=C;A.strokeStyle=B.color;this.plotBarsShadows(B,D,0,B.bars.fill);if(B.bars.fill){A.fillStyle=B.bars.fillColor!=null?B.bars.fillColor:Flotr.parseColor(B.color).scale(null,null,null,B.bars.fillOpacity).toString()}this.plotBars(B,D,0,B.bars.fill);A.restore()},plotBars:function(K,N,D,Q){var U=K.data;if(U.length<1){return }var S=K.xaxis,B=K.yaxis,P=this.ctx,F=this.tHoz.bind(this),O=this.tVert.bind(this);for(var R=0;R<U.length;R++){var J=U[R][0],I=U[R][1];var E=true,L=true,A=true;var H=0;if(K.bars.stacked){S.values.each(function(W,V){if(V==J){H=W.stack||0;W.stack=H+I}})}if(K.bars.horizontal){var C=H,T=J+H,G=I,M=I+N}else{var C=J,T=J+N,G=H,M=I+H}if(T<S.min||C>S.max||M<B.min||G>B.max){continue}if(C<S.min){C=S.min;E=false}if(T>S.max){T=S.max;if(S.lastSerie!=K&&K.bars.horizontal){L=false}}if(G<B.min){G=B.min}if(M>B.max){M=B.max;if(B.lastSerie!=K&&!K.bars.horizontal){L=false}}if(Q){P.beginPath();P.moveTo(F(C,S),O(G,B)+D);P.lineTo(F(C,S),O(M,B)+D);P.lineTo(F(T,S),O(M,B)+D);P.lineTo(F(T,S),O(G,B)+D);P.fill()}if(K.bars.lineWidth!=0&&(E||A||L)){P.beginPath();P.moveTo(F(C,S),O(G,B)+D);P[E?"lineTo":"moveTo"](F(C,S),O(M,B)+D);P[L?"lineTo":"moveTo"](F(T,S),O(M,B)+D);P[A?"lineTo":"moveTo"](F(T,S),O(G,B)+D);P.stroke()}}},plotBarsShadows:function(I,K,C){var T=I.data;if(T.length<1){return }var R=I.xaxis,A=I.yaxis,P=this.ctx,D=this.tHoz.bind(this),M=this.tVert.bind(this),N=this.options.shadowSize;for(var Q=0;Q<T.length;Q++){var H=T[Q][0],G=T[Q][1];var E=0;if(I.bars.stacked){R.values.each(function(V,U){if(U==H){E=V.stackShadow||0;V.stackShadow=E+G}})}if(I.bars.horizontal){var B=E,S=H+E,F=G,J=G+K}else{var B=H,S=H+K,F=E,J=G+E}if(S<R.min||B>R.max||J<A.min||F>A.max){continue}if(B<R.min){B=R.min}if(S>R.max){S=R.max}if(F<A.min){F=A.min}if(J>A.max){J=A.max}var O=D(S,R)-D(B,R)-((D(S,R)+N<=this.plotWidth)?0:N);var L=Math.max(0,M(F,A)-M(J,A)-((M(F,A)+N<=this.plotHeight)?0:N));P.fillStyle="rgba(0,0,0,0.05)";P.fillRect(Math.min(D(B,R)+N,this.plotWidth),Math.min(M(J,A)+N,this.plotWidth),O,L)}},drawSeriesCandles:function(B){var A=this.ctx,C=B.candles.candleWidth;A.save();A.translate(this.plotOffset.left,this.plotOffset.top);A.lineJoin="miter";A.lineWidth=B.candles.lineWidth;this.plotCandlesShadows(B,C/2);this.plotCandles(B,C/2);A.restore()},plotCandles:function(K,D){var W=K.data;if(W.length<1){return }var T=K.xaxis,B=K.yaxis,P=this.ctx,E=this.tHoz.bind(this),O=this.tVert.bind(this);for(var S=0;S<W.length;S++){var U=W[S],J=U[0],L=U[1],I=U[2],X=U[3],N=U[4];var C=J,V=J+K.candles.candleWidth,G=Math.max(B.min,X),M=Math.min(B.max,I),A=Math.max(B.min,Math.min(L,N)),R=Math.min(B.max,Math.max(L,N));if(V<T.min||C>T.max||M<B.min||G>B.max){continue}var Q=K.candles[L>N?"downFillColor":"upFillColor"];if(K.candles.fill&&!K.candles.barcharts){P.fillStyle=Flotr.parseColor(Q).scale(null,null,null,K.candles.fillOpacity).toString();P.fillRect(E(C,T),O(R,B)+D,E(V,T)-E(C,T),O(A,B)-O(R,B))}if(K.candles.lineWidth||K.candles.wickLineWidth){var J,H,F=(K.candles.wickLineWidth%2)/2;J=Math.floor(E((C+V)/2),T)+F;P.save();P.strokeStyle=Q;P.lineWidth=K.candles.wickLineWidth;P.lineCap="butt";if(K.candles.barcharts){P.beginPath();P.moveTo(J,Math.floor(O(M,B)+D));P.lineTo(J,Math.floor(O(G,B)+D));H=Math.floor(O(L,B)+D)+0.5;P.moveTo(Math.floor(E(C,T))+F,H);P.lineTo(J,H);H=Math.floor(O(N,B)+D)+0.5;P.moveTo(Math.floor(E(V,T))+F,H);P.lineTo(J,H)}else{P.strokeRect(E(C,T),O(R,B)+D,E(V,T)-E(C,T),O(A,B)-O(R,B));P.beginPath();P.moveTo(J,Math.floor(O(R,B)+D));P.lineTo(J,Math.floor(O(M,B)+D));P.moveTo(J,Math.floor(O(A,B)+D));P.lineTo(J,Math.floor(O(G,B)+D))}P.stroke();P.restore()}}},plotCandlesShadows:function(H,C){var T=H.data;if(T.length<1||H.candles.barcharts){return }var Q=H.xaxis,A=H.yaxis,D=this.tHoz.bind(this),M=this.tVert.bind(this),N=this.options.shadowSize;for(var P=0;P<T.length;P++){var R=T[P],G=R[0],I=R[1],F=R[2],U=R[3],K=R[4];var B=G,S=G+H.candles.candleWidth,E=Math.max(A.min,Math.min(I,K)),J=Math.min(A.max,Math.max(I,K));if(S<Q.min||B>Q.max||J<A.min||E>A.max){continue}var O=D(S,Q)-D(B,Q)-((D(S,Q)+N<=this.plotWidth)?0:N);var L=Math.max(0,M(E,A)-M(J,A)-((M(E,A)+N<=this.plotHeight)?0:N));this.ctx.fillStyle="rgba(0,0,0,0.05)";this.ctx.fillRect(Math.min(D(B,Q)+N,this.plotWidth),Math.min(M(J,A)+N,this.plotWidth),O,L)}},drawSeriesPie:function(G){if(!this.options.pie.drawn){var K=this.ctx,C=this.options,E=G.pie.lineWidth,I=G.shadowSize,R=G.data,D=(Math.min(this.canvasWidth,this.canvasHeight)*G.pie.sizeRatio)/2,H=[];var L=1;var P=Math.sin(G.pie.viewAngle)*G.pie.spliceThickness/L;var M={size:C.fontSize*1.2,color:C.grid.color,weight:1.5};var Q={x:(this.canvasWidth+this.plotOffset.left)/2,y:(this.canvasHeight-this.plotOffset.bottom)/2};var O=this.series.collect(function(T,S){if(T.pie.show){return{name:(T.label||T.data[0][1]),value:[S,T.data[0][1]],explode:T.pie.explode}}});var B=O.pluck("value").pluck(1).inject(0,function(S,T){return S+T});var F=0,N=G.pie.startAngle,J=0;var A=O.collect(function(S){N+=F;J=parseFloat(S.value[1]);F=J/B;return{name:S.name,fraction:F,x:S.value[0],y:J,explode:S.explode,startAngle:2*N*Math.PI,endAngle:2*(N+F)*Math.PI}});K.save();if(I>0){A.each(function(V){var S=(V.startAngle+V.endAngle)/2;var T=Q.x+Math.cos(S)*V.explode+I;var U=Q.y+Math.sin(S)*V.explode+I;this.plotSlice(T,U,D,V.startAngle,V.endAngle,false,L);K.fillStyle="rgba(0,0,0,0.1)";K.fill()},this)}if(C.HtmlText){H=['<div style="color:'+this.options.grid.color+'" class="flotr-labels">']}A.each(function(c,X){var W=(c.startAngle+c.endAngle)/2;var V=C.colors[X];var Y=Q.x+Math.cos(W)*c.explode;var U=Q.y+Math.sin(W)*c.explode;this.plotSlice(Y,U,D,c.startAngle,c.endAngle,false,L);if(G.pie.fill){K.fillStyle=Flotr.parseColor(V).scale(null,null,null,G.pie.fillOpacity).toString();K.fill()}K.lineWidth=E;K.strokeStyle=V;K.stroke();var b=C.pie.labelFormatter(c);var S=(Math.cos(W)<0);var a=Y+Math.cos(W)*(G.pie.explode+D);var Z=U+Math.sin(W)*(G.pie.explode+D);if(c.fraction&&b){if(C.HtmlText){var T="position:absolute;top:"+(Z-5)+"px;";if(S){T+="right:"+(this.canvasWidth-a)+"px;text-align:right;"}else{T+="left:"+a+"px;text-align:left;"}H.push('<div style="'+T+'" class="flotr-grid-label">'+b+"</div>")}else{M.halign=S?"r":"l";K.drawText(b,a,Z+M.size/2,M)}}},this);if(C.HtmlText){H.push("</div>");this.el.insert(H.join(""))}K.restore();C.pie.drawn=true}},plotSlice:function(B,H,A,E,D,F,G){var C=this.ctx;G=G||1;C.save();C.scale(1,G);C.beginPath();C.moveTo(B,H);C.arc(B,H,A,E,D,F);C.lineTo(B,H);C.closePath();C.restore()},plotPie:function(){},insertLegend:function(){if(!this.options.legend.show){return }var H=this.series,I=this.plotOffset,B=this.options,b=[],A=false,O=this.ctx,R;var Q=H.findAll(function(c){return(c.label&&!c.hide)}).size();if(Q){if(!B.HtmlText&&this.textEnabled){var T={size:B.fontSize*1.1,color:B.grid.color};var M=B.legend.position,N=B.legend.margin,L=B.legend.labelBoxWidth,Z=B.legend.labelBoxHeight,S=B.legend.labelBoxMargin,W=I.left+N,U=I.top+N;var a=0;for(R=H.length-1;R>-1;--R){if(!H[R].label||H[R].hide){continue}var E=B.legend.labelFormatter(H[R].label);a=Math.max(a,O.measureText(E,T))}var K=Math.round(L+S*3+a),C=Math.round(Q*(S+Z)+S);if(M.charAt(0)=="s"){U=I.top+this.plotHeight-(N+C)}if(M.charAt(1)=="e"){W=I.left+this.plotWidth-(N+K)}var P=Flotr.parseColor(B.legend.backgroundColor||"rgb(240,240,240)").scale(null,null,null,B.legend.backgroundOpacity||0.1).toString();O.fillStyle=P;O.fillRect(W,U,K,C);O.strokeStyle=B.legend.labelBoxBorderColor;O.strokeRect(Flotr.toPixel(W),Flotr.toPixel(U),K,C);var G=W+S;var F=U+S;for(R=0;R<H.length;R++){if(!H[R].label||H[R].hide){continue}var E=B.legend.labelFormatter(H[R].label);O.fillStyle=H[R].color;O.fillRect(G,F,L-1,Z-1);O.strokeStyle=B.legend.labelBoxBorderColor;O.lineWidth=1;O.strokeRect(Math.ceil(G)-1.5,Math.ceil(F)-1.5,L+2,Z+2);O.drawText(E,G+L+S,F+(Z+T.size-O.fontDescent(T))/2,T);F+=Z+S}}else{for(R=0;R<H.length;++R){if(!H[R].label||H[R].hide){continue}if(R%B.legend.noColumns==0){b.push(A?"</tr><tr>":"<tr>");A=true}var E=B.legend.labelFormatter(H[R].label);b.push('<td class="flotr-legend-color-box"><div style="border:1px solid '+B.legend.labelBoxBorderColor+';padding:1px"><div style="width:'+B.legend.labelBoxWidth+"px;height:"+B.legend.labelBoxHeight+"px;background-color:"+H[R].color+'"></div></div></td><td class="flotr-legend-label">'+E+"</td>")}if(A){b.push("</tr>")}if(b.length>0){var V='<table style="font-size:smaller;color:'+B.grid.color+'">'+b.join("")+"</table>";if(B.legend.container!=null){$(B.legend.container).update(V)}else{var D="";var M=B.legend.position,N=B.legend.margin;if(M.charAt(0)=="n"){D+="top:"+(N+I.top)+"px;"}else{if(M.charAt(0)=="s"){D+="bottom:"+(N+I.bottom)+"px;"}}if(M.charAt(1)=="e"){D+="right:"+(N+I.right)+"px;"}else{if(M.charAt(1)=="w"){D+="left:"+(N+I.left)+"px;"}}var J=this.el.insert('<div class="flotr-legend" style="position:absolute;z-index:2;'+D+'">'+V+"</div>").select("div.flotr-legend").first();if(B.legend.backgroundOpacity!=0){var Y=B.legend.backgroundColor;if(Y==null){var X=(B.grid.backgroundColor!=null)?B.grid.backgroundColor:Flotr.extractColor(J);Y=Flotr.parseColor(X).adjust(null,null,null,1).toString()}this.el.insert('<div class="flotr-legend-bg" style="position:absolute;width:'+J.getWidth()+"px;height:"+J.getHeight()+"px;"+D+"background-color:"+Y+';"> </div>').select("div.flotr-legend-bg").first().setStyle({opacity:B.legend.backgroundOpacity})}}}}}},getEventPosition:function(C){var G=this.overlay.cumulativeOffset(),F=(C.pageX-G.left-this.plotOffset.left),E=(C.pageY-G.top-this.plotOffset.top),D=0,B=0;if(C.pageX==null&&C.clientX!=null){var H=document.documentElement,A=document.body;D=C.clientX+(H&&H.scrollLeft||A.scrollLeft||0);B=C.clientY+(H&&H.scrollTop||A.scrollTop||0)}else{D=C.pageX;B=C.pageY}return{x:this.axes.x.min+F/this.axes.x.scale,x2:this.axes.x2.min+F/this.axes.x2.scale,y:this.axes.y.max-E/this.axes.y.scale,y2:this.axes.y2.max-E/this.axes.y2.scale,relX:F,relY:E,absX:D,absY:B}},clickHandler:function(A){if(this.ignoreClick){this.ignoreClick=false;return }this.el.fire("flotr:click",[this.getEventPosition(A),this])},mouseMoveHandler:function(A){var B=this.getEventPosition(A);this.lastMousePos.pageX=B.absX;this.lastMousePos.pageY=B.absY;if(this.selectionInterval==null&&(this.options.mouse.track||this.series.any(function(C){return C.mouse&&C.mouse.track}))){this.hit(B)}this.el.fire("flotr:mousemove",[A,B,this])},mouseDownHandler:function(C){if(C.isRightClick()){C.stop();var B=this.overlay;B.hide();function A(){B.show();$(document).stopObserving("mousemove",A)}$(document).observe("mousemove",A);return }if(!this.options.selection.mode||!C.isLeftClick()){return }this.setSelectionPos(this.selection.first,C);if(this.selectionInterval!=null){clearInterval(this.selectionInterval)}this.lastMousePos.pageX=null;this.selectionInterval=setInterval(this.updateSelection.bind(this),1000/this.options.selection.fps);this.mouseUpHandler=this.mouseUpHandler.bind(this);$(document).observe("mouseup",this.mouseUpHandler)},fireSelectEvent:function(){var A=this.axes,F=this.selection,C=(F.first.x<=F.second.x)?F.first.x:F.second.x,B=(F.first.x<=F.second.x)?F.second.x:F.first.x,E=(F.first.y>=F.second.y)?F.first.y:F.second.y,D=(F.first.y>=F.second.y)?F.second.y:F.first.y;C=A.x.min+C/A.x.scale;B=A.x.min+B/A.x.scale;E=A.y.max-E/A.y.scale;D=A.y.max-D/A.y.scale;this.el.fire("flotr:select",[{x1:C,y1:E,x2:B,y2:D},this])},mouseUpHandler:function(A){$(document).stopObserving("mouseup",this.mouseUpHandler);A.stop();if(this.selectionInterval!=null){clearInterval(this.selectionInterval);this.selectionInterval=null}this.setSelectionPos(this.selection.second,A);this.clearSelection();if(this.selectionIsSane()){this.drawSelection();this.fireSelectEvent();this.ignoreClick=true}},setSelectionPos:function(D,B){var A=this.options,C=$(this.overlay).cumulativeOffset();if(A.selection.mode.indexOf("x")==-1){D.x=(D==this.selection.first)?0:this.plotWidth}else{D.x=B.pageX-C.left-this.plotOffset.left;D.x=Math.min(Math.max(0,D.x),this.plotWidth)}if(A.selection.mode.indexOf("y")==-1){D.y=(D==this.selection.first)?0:this.plotHeight}else{D.y=B.pageY-C.top-this.plotOffset.top;D.y=Math.min(Math.max(0,D.y),this.plotHeight)}},updateSelection:function(){if(this.lastMousePos.pageX==null){return }this.setSelectionPos(this.selection.second,this.lastMousePos);this.clearSelection();if(this.selectionIsSane()){this.drawSelection()}},clearSelection:function(){if(this.prevSelection==null){return }var G=this.prevSelection,E=this.octx,C=this.plotOffset,A=Math.min(G.first.x,G.second.x),F=Math.min(G.first.y,G.second.y),B=Math.abs(G.second.x-G.first.x),D=Math.abs(G.second.y-G.first.y);E.clearRect(A+C.left-E.lineWidth,F+C.top-E.lineWidth,B+E.lineWidth*2,D+E.lineWidth*2);this.prevSelection=null},setSelection:function(G){var B=this.options,H=this.axes.x,A=this.axes.y,F=yaxis.scale,D=xaxis.scale,E=B.selection.mode.indexOf("x")!=-1,C=B.selection.mode.indexOf("y")!=-1;this.clearSelection();this.selection.first.y=E?0:(A.max-G.y1)*F;this.selection.second.y=E?this.plotHeight:(A.max-G.y2)*F;this.selection.first.x=C?0:(G.x1-H.min)*D;this.selection.second.x=C?this.plotWidth:(G.x2-H.min)*D;this.drawSelection();this.fireSelectEvent()},drawSelection:function(){var C=this.prevSelection,F=this.selection,H=this.octx,I=this.options,A=this.plotOffset;if(C!=null&&F.first.x==C.first.x&&F.first.y==C.first.y&&F.second.x==C.second.x&&F.second.y==C.second.y){return }H.strokeStyle=Flotr.parseColor(I.selection.color).scale(null,null,null,0.8).toString();H.lineWidth=1;H.lineJoin="round";H.fillStyle=Flotr.parseColor(I.selection.color).scale(null,null,null,0.4).toString();this.prevSelection={first:{x:F.first.x,y:F.first.y},second:{x:F.second.x,y:F.second.y}};var E=Math.min(F.first.x,F.second.x),D=Math.min(F.first.y,F.second.y),G=Math.abs(F.second.x-F.first.x),B=Math.abs(F.second.y-F.first.y);H.fillRect(E+A.left,D+A.top,G,B);H.strokeRect(E+A.left,D+A.top,G,B)},selectionIsSane:function(){var A=this.selection;return Math.abs(A.second.x-A.first.x)>=5&&Math.abs(A.second.y-A.first.y)>=5},clearHit:function(){if(this.prevHit){var B=this.options,A=this.plotOffset,C=this.prevHit;this.octx.clearRect(this.tHoz(C.x)+A.left-B.points.radius*2,this.tVert(C.y)+A.top-B.points.radius*2,B.points.radius*3+B.points.lineWidth*3,B.points.radius*3+B.points.lineWidth*3);this.prevHit=null}},hit:function(I){var G=this.series,C=this.options,R=this.prevHit,H=this.plotOffset,D=this.octx,S,A,M,Q,L={dist:Number.MAX_VALUE,x:null,y:null,relX:I.relX,relY:I.relY,absX:I.absX,absY:I.absY,mouse:null};for(Q=0;Q<G.length;Q++){s=G[Q];if(!s.mouse.track){continue}S=s.data;A=(s.xaxis.scale*s.mouse.sensibility);M=(s.yaxis.scale*s.mouse.sensibility);for(var P=0,B,E;P<S.length;P++){if(S[P][1]===null){continue}B=Math.pow(s.xaxis.scale*(S[P][0]-I.x),2);E=Math.pow(s.yaxis.scale*(S[P][1]-I.y),2);if(B<A&&E<M&&Math.sqrt(B+E)<L.dist){L.dist=Math.sqrt(B+E);L.x=S[P][0];L.y=S[P][1];L.mouse=s.mouse}}}if(L.mouse&&L.mouse.track&&!R||(R&&(L.x!=R.x||L.y!=R.y))){var K=this.mouseTrack||this.el.select(".flotr-mouse-value")[0],F="",J=C.mouse.position,N=C.mouse.margin,O="opacity:0.7;background-color:#000;color:#fff;display:none;position:absolute;padding:2px 8px;-moz-border-radius:4px;border-radius:4px;white-space:nowrap;";if(!C.mouse.relative){if(J.charAt(0)=="n"){F+="top:"+(N+H.top)+"px;"}else{if(J.charAt(0)=="s"){F+="bottom:"+(N+H.bottom)+"px;"}}if(J.charAt(1)=="e"){F+="right:"+(N+H.right)+"px;"}else{if(J.charAt(1)=="w"){F+="left:"+(N+H.left)+"px;"}}}else{if(J.charAt(0)=="n"){F+="bottom:"+(N-H.top-this.tVert(L.y)+this.canvasHeight)+"px;"}else{if(J.charAt(0)=="s"){F+="top:"+(N+H.top+this.tVert(L.y))+"px;"}}if(J.charAt(1)=="e"){F+="left:"+(N+H.left+this.tHoz(L.x))+"px;"}else{if(J.charAt(1)=="w"){F+="right:"+(N-H.left-this.tHoz(L.x)+this.canvasWidth)+"px;"}}}O+=F;if(!K){this.el.insert('<div class="flotr-mouse-value" style="'+O+'"></div>');K=this.mouseTrack=this.el.select(".flotr-mouse-value").first()}else{this.mouseTrack=K.setStyle(O)}if(L.x!==null&&L.y!==null){K.show();this.clearHit();if(L.mouse.lineColor!=null){D.save();D.translate(H.left,H.top);D.lineWidth=C.points.lineWidth;D.strokeStyle=L.mouse.lineColor;D.fillStyle="#ffffff";D.beginPath();D.arc(this.tHoz(L.x),this.tVert(L.y),C.mouse.radius,0,2*Math.PI,true);D.fill();D.stroke();D.restore()}this.prevHit=L;var T=L.mouse.trackDecimals;if(T==null||T<0){T=0}K.innerHTML=L.mouse.trackFormatter({x:L.x.toFixed(T),y:L.y.toFixed(T)});K.fire("flotr:hit",[L,this])}else{if(R){K.hide();this.clearHit()}}}},saveImage:function(D,C,A,B){var E=null;switch(D){case"jpeg":case"jpg":E=Canvas2Image.saveAsJPEG(this.canvas,B,C,A);break;default:case"png":E=Canvas2Image.saveAsPNG(this.canvas,B,C,A);break;case"bmp":E=Canvas2Image.saveAsBMP(this.canvas,B,C,A);break}if(Object.isElement(E)&&B){this.restoreCanvas();this.canvas.hide();this.overlay.hide();this.el.insert(E.setStyle({position:"absolute"}))}},restoreCanvas:function(){this.canvas.show();this.overlay.show();this.el.select("img").invoke("remove")}});Flotr.Color=Class.create({initialize:function(E,D,B,C){this.rgba=["r","g","b","a"];var A=4;while(-1<--A){this[this.rgba[A]]=arguments[A]||((A==3)?1:0)}this.normalize()},adjust:function(D,C,E,B){var A=4;while(-1<--A){if(arguments[A]!=null){this[this.rgba[A]]+=arguments[A]}}return this.normalize()},clone:function(){return new Flotr.Color(this.r,this.b,this.g,this.a)},limit:function(B,A,C){return Math.max(Math.min(B,C),A)},normalize:function(){var A=this.limit;this.r=A(parseInt(this.r),0,255);this.g=A(parseInt(this.g),0,255);this.b=A(parseInt(this.b),0,255);this.a=A(this.a,0,1);return this},scale:function(D,C,E,B){var A=4;while(-1<--A){if(arguments[A]!=null){this[this.rgba[A]]*=arguments[A]}}return this.normalize()},distance:function(B){if(!B){return }B=new Flotr.parseColor(B);var C=0;var A=3;while(-1<--A){C+=Math.abs(this[this.rgba[A]]-B[this.rgba[A]])}return C},toString:function(){return(this.a>=1)?"rgb("+[this.r,this.g,this.b].join(",")+")":"rgba("+[this.r,this.g,this.b,this.a].join(",")+")"}});Flotr.Color.lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]};Flotr.Date={format:function(F,E){if(!F){return }var A=function(H){H=H.toString();return H.length==1?"0"+H:H};var D=[];var C=false;for(var B=0;B<E.length;++B){var G=E.charAt(B);if(C){switch(G){case"h":G=F.getUTCHours().toString();break;case"H":G=A(F.getUTCHours());break;case"M":G=A(F.getUTCMinutes());break;case"S":G=A(F.getUTCSeconds());break;case"d":G=F.getUTCDate().toString();break;case"m":G=(F.getUTCMonth()+1).toString();break;case"y":G=F.getUTCFullYear().toString();break;case"b":G=Flotr.Date.monthNames[F.getUTCMonth()];break}D.push(G);C=false}else{if(G=="%"){C=true}else{D.push(G)}}}return D.join("")},timeUnits:{second:1000,minute:60*1000,hour:60*60*1000,day:24*60*60*1000,month:30*24*60*60*1000,year:365.2425*24*60*60*1000},spec:[[1,"second"],[2,"second"],[5,"second"],[10,"second"],[30,"second"],[1,"minute"],[2,"minute"],[5,"minute"],[10,"minute"],[30,"minute"],[1,"hour"],[2,"hour"],[4,"hour"],[8,"hour"],[12,"hour"],[1,"day"],[2,"day"],[3,"day"],[0.25,"month"],[0.5,"month"],[1,"month"],[2,"month"],[3,"month"],[6,"month"],[1,"year"]],monthNames:["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"]};