/* Copyright (c) 2007 Brian Dillard and Brad Neuberg: Brian Dillard | Project Lead | bdillard@pathf.com | http://blogs.pathf.com/agileajax/ Brad Neuberg | Original Project Creator | http://codinginparadise.org Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 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";this.domObj.insert(a)},drawGraph:function(a){if(a.lines.show||(!a.bars.show&&!a.points.show)){this.drawGraphLines(a)}if(a.bars.show){this.drawGraphBar(a)}if(a.points.show){this.drawGraphPoints(a)}},plotLine:function(g,f,k){var e,n=null,a=null,o=null;this.context.beginPath();for(var h=0;h=l&&m>this.yaxis.max){if(l>this.yaxis.max){continue}c=(this.yaxis.max-m)/(l-m)*(b-c)+c;m=this.yaxis.max}else{if(l>=m&&l>this.yaxis.max){if(m>this.yaxis.max){continue}b=(this.yaxis.max-m)/(l-m)*(b-c)+c;l=this.yaxis.max}}if(c<=b&&c=b&&c>this.xaxis.max){if(b>this.xaxis.max){continue}m=(this.xaxis.max-c)/(b-c)*(l-m)+m;c=this.xaxis.max}else{if(b>=c&&b>this.xaxis.max){if(c>this.xaxis.max){continue}l=(this.xaxis.max-c)/(b-c)*(l-m)+m;b=this.xaxis.max}}if(a!=this.translateHoz(c)||o!=this.translateVert(m)+f){this.context.moveTo(this.translateHoz(c),this.translateVert(m)+f)}a=this.translateHoz(b);o=this.translateVert(l)+f;if(k){this.plotLineDashed(this.translateHoz(c),this.translateVert(m)+f,a,o,k)}else{this.context.lineTo(a,o)}}this.context.stroke()},plotLineDashed:function(c,l,a,k,m){var q=c;var o=l;var e=Math.sqrt((a-q)*(a-q)+(k-o)*(k-o));var p=(a-q)/e;var n=(k-o)/e;var h=0;var g=0;var f=0;while(hm[g]){f-=m[g];g=(g+1)%m.length}}},plotLineArea:function(g){var f,p=null;var a=Math.min(Math.max(0,this.yaxis.min),this.yaxis.max);var m,e=0;var o=false;for(var h=0;h=b&&c>this.xaxis.max){if(b>this.xaxis.max){continue}n=(this.xaxis.max-c)/(b-c)*(l-n)+n;c=this.xaxis.max}else{if(b>=c&&b>this.xaxis.max){if(c>this.xaxis.max){continue}l=(this.xaxis.max-c)/(b-c)*(l-n)+n;b=this.xaxis.max}}if(!o){this.context.beginPath();this.context.moveTo(this.translateHoz(c),this.translateVert(a));o=true}if(n>=this.yaxis.max&&l>=this.yaxis.max){this.context.lineTo(this.translateHoz(c),this.translateVert(this.yaxis.max));this.context.lineTo(this.translateHoz(b),this.translateVert(this.yaxis.max));continue}else{if(n<=this.yaxis.min&&l<=this.yaxis.min){this.context.lineTo(this.translateHoz(c),this.translateVert(this.yaxis.min));this.context.lineTo(this.translateHoz(b),this.translateVert(this.yaxis.min));continue}}var q=c,k=b;if(n<=l&&n=this.yaxis.min){c=(this.yaxis.min-n)/(l-n)*(b-c)+c;n=this.yaxis.min}else{if(l<=n&&l=this.yaxis.min){b=(this.yaxis.min-n)/(l-n)*(b-c)+c;l=this.yaxis.min}}if(n>=l&&n>this.yaxis.max&&l<=this.yaxis.max){c=(this.yaxis.max-n)/(l-n)*(b-c)+c;n=this.yaxis.max}else{if(l>=n&&l>this.yaxis.max&&n<=this.yaxis.max){b=(this.yaxis.max-n)/(l-n)*(b-c)+c;l=this.yaxis.max}}if(c!=q){if(n<=this.yaxis.min){m=this.yaxis.min}else{m=this.yaxis.max}this.context.lineTo(this.translateHoz(q),this.translateVert(m));this.context.lineTo(this.translateHoz(c),this.translateVert(m))}this.context.lineTo(this.translateHoz(c),this.translateVert(n));this.context.lineTo(this.translateHoz(b),this.translateVert(l));if(b!=k){if(l<=this.yaxis.min){m=this.yaxis.min}else{m=this.yaxis.max}this.context.lineTo(this.translateHoz(k),this.translateVert(m));this.context.lineTo(this.translateHoz(b),this.translateVert(m))}e=Math.max(b,k)}if(o){this.context.lineTo(this.translateHoz(e),this.translateVert(a));this.context.fill()}},drawGraphLines:function(c){this.context.save();this.context.translate(this.chartOffset.left,this.chartOffset.top);this.context.lineJoin="round";var b=c.lines.lineWidth;var a=c.shadowSize;if(a>0){this.context.lineWidth=a/2;this.context.strokeStyle="rgba(0,0,0,0.1)";this.plotLine(c.data,b/2+a/2+this.context.lineWidth/2,c.dashArray);this.context.lineWidth=a/2;this.context.strokeStyle="rgba(0,0,0,0.2)";this.plotLine(c.data,b/2+this.context.lineWidth/2,c.dashArray)}this.context.lineWidth=b;this.context.strokeStyle=c.color;if(c.lines.fill){this.context.fillStyle=c.lines.fillColor!=null?c.lines.fillColor:this.parseColor(c.color).scale(null,null,null,0.4).toString();this.plotLineArea(c.data,0)}this.plotLine(c.data,0,c.dashArray);this.context.restore()},plotPoints:function(e,b,f){for(var c=0;cthis.xaxis.max||gthis.yaxis.max){continue}this.context.beginPath();this.context.arc(this.translateHoz(a),this.translateVert(g),b,0,2*Math.PI,true);if(f){this.context.fill()}this.context.stroke()}},plotPointShadows:function(e,f,b){for(var c=0;cthis.xaxis.max||gthis.yaxis.max){continue}this.context.beginPath();this.context.arc(this.translateHoz(a),this.translateVert(g)+f,b,0,Math.PI,false);this.context.stroke()}},drawGraphPoints:function(c){this.context.save();this.context.translate(this.chartOffset.left,this.chartOffset.top);var b=c.lines.lineWidth;var a=c.shadowSize;if(a>0){this.context.lineWidth=a/2;this.context.strokeStyle="rgba(0,0,0,0.1)";this.plotPointShadows(c.data,a/2+this.context.lineWidth/2,c.points.radius);this.context.lineWidth=a/2;this.context.strokeStyle="rgba(0,0,0,0.2)";this.plotPointShadows(c.data,this.context.lineWidth/2,c.points.radius)}this.context.lineWidth=c.points.lineWidth;this.context.strokeStyle=c.color;this.context.fillStyle=c.points.fillColor!=null?c.points.fillColor:c.color;this.plotPoints(c.data,c.points.radius,c.points.fill);this.context.restore()},preparePieData:function(b){for(i=0;i0.25*(2*Math.PI)&&z<=0.5*(2*Math.PI)){n="left";q="bottom";p=w-h;y=v}else{if(z>0.5*(2*Math.PI)&&z<=0.75*(2*Math.PI)){n="right";q="bottom";p=w-h;y=v-m}else{n="right";q="bottom";p=w;y=v-m}}}p=p+"px";y=y+"px";var u=Math.round(B*100);if(s==l.length-1){if(u+totalPct<100){u=u+1}else{if(u+totalPct>100){u=u-1}}}var t='
'+u+"%
";this.domObj.insert(t);totalPct=totalPct+u}.bind(this))},drawBarGraph:function(a,b){a.each(function(e,c){this.drawGraphBars(e,c,a.size(),b)}.bind(this))},drawGraphBar:function(a){this.drawGraphBars(a,0,this.graphData.length,this.barDataRange)},plotBars:function(l,h,n,g,m,a,k,f){var e=0;if(k%2==0){e=(1+((a-k/2)-1))*n}else{var c=0.5;if(a==(k/2-c)){e=-n*c}else{e=(c+(a-Math.round(k/2)))*n}}var b=[];h.each(function(s){if(!s){return}var w=s[0],v=s[1];var z=true,r=true,t=true;var q=w+e,A=w+n+e,o=0,u=v;var p={};p.left=q;p.right=A;p.value=u;b.push(p);if(Athis.xaxis.max||uthis.yaxis.max){return}if(qthis.xaxis.max){A=this.xaxis.max;t=false}if(othis.yaxis.max){u=this.yaxis.max;r=false}if(l.bars.showShadow&&l.shadowSize>0){this.plotShadowOutline(l,this.context.strokeStyle,q,o,u,A,z,t,r)}if(m){this.context.beginPath();this.context.moveTo(this.translateHoz(q),this.translateVert(o)+g);this.context.lineTo(this.translateHoz(q),this.translateVert(u)+g);this.context.lineTo(this.translateHoz(A),this.translateVert(u)+g);this.context.lineTo(this.translateHoz(A),this.translateVert(o)+g);this.context.fill()}if(z||t||r){this.context.beginPath();this.context.moveTo(this.translateHoz(q),this.translateVert(o)+g);if(z){this.context.lineTo(this.translateHoz(q),this.translateVert(u)+g)}else{this.context.moveTo(this.translateHoz(q),this.translateVert(u)+g)}if(r){this.context.lineTo(this.translateHoz(A),this.translateVert(u)+g)}else{this.context.moveTo(this.translateHoz(A),this.translateVert(u)+g)}if(t){this.context.lineTo(this.translateHoz(A),this.translateVert(o)+g)}else{this.context.moveTo(this.translateHoz(A),this.translateVert(o)+g)}this.context.stroke()}}.bind(this));f.push(b)},plotShadowOutline:function(k,p,c,a,h,m,l,g,f){var o=0.3;for(var b=1;b<=this.options.shadowSize/2;b++){var e=o*b;this.context.beginPath();this.context.strokeStyle="rgba(0,0,0,"+e+")";this.context.moveTo(this.translateHoz(c)+b,this.translateVert(a));if(l){this.context.lineTo(this.translateHoz(c)+b,this.translateVert(h)-b)}else{this.context.moveTo(this.translateHoz(c)+b,this.translateVert(h)-b)}if(f){this.context.lineTo(this.translateHoz(m)+b,this.translateVert(h)-b)}else{this.context.moveTo(this.translateHoz(m)+b,this.translateVert(h)-b)}if(g){this.context.lineTo(this.translateHoz(m)+b,this.translateVert(a))}else{this.context.lineTo(this.translateHoz(m)+b,this.translateVert(a))}this.context.stroke();this.context.closePath()}this.context.strokeStyle=p},drawGraphBars:function(e,a,b,g){this.context.save();this.context.translate(this.chartOffset.left,this.chartOffset.top);this.context.lineJoin="round";var f=e.bars.barWidth;var c=Math.min(e.bars.lineWidth,f);this.context.lineWidth=c;this.context.strokeStyle=e.color;if(e.bars.fill){this.context.fillStyle=e.bars.fillColor!=null?e.bars.fillColor:this.parseColor(e.color).scale(null,null,null,this.options.bars.fillOpacity).toString()}this.plotBars(e,e.data,f,0,e.bars.fill,a,b,g);this.context.restore()},insertLegend:function(){this.domObj.select(".legend").invoke("remove");if(!this.options.legend.show){return}var k=[];var g=false;this.graphData.each(function(o,m){if(!o.label){return}if(m%this.options.legend.noColumns==0){if(g){k.push("")}k.push("");g=true}var c=o.label;if(this.options.legend.labelFormatter!=null){c=this.options.legend.labelFormatter(c)}k.push('
'+c+"")}.bind(this));if(g){k.push("")}if(k.length>0){var n=''+k.join("")+"
";if($(this.options.legend.container)!=null){$(this.options.legend.container).insert(n)}else{var l="";var b=this.options.legend.position,e=this.options.legend.margin;if(b.charAt(0)=="n"){l+="top:"+(e+this.chartOffset.top)+"px;"}else{if(b.charAt(0)=="s"){l+="bottom:"+(e+this.chartOffset.bottom)+"px;"}}if(b.charAt(1)=="e"){l+="right:"+(e+this.chartOffset.right)+"px;"}else{if(b.charAt(1)=="w"){l+="left:"+(e+this.chartOffset.bottom)+"px;"}}var a=this.domObj.insert('
'+n+"
").getElementsBySelector("div.ProtoChart-legend").first();if(this.options.legend.backgroundOpacity!=0){var h=this.options.legend.backgroundColor;if(h==null){var f=(this.options.grid.backgroundColor!=null)?this.options.grid.backgroundColor:this.extractColor(a);h=this.parseColor(f).adjust(null,null,null,1).toString()}this.domObj.insert('
').select("div.ProtoChart-legend-bg").first().setStyle({opacity:this.options.legend.backgroundOpacity})}}}},onMouseMove:function(c){this.mouseIsOut=false;var f=c||window.event;if(f.pageX==null&&f.clientX!=null){var k=document.documentElement,a=$(document.body);this.lastMousePos.pageX=f.clientX+(k&&k.scrollLeft||a.scrollLeft||0);this.lastMousePos.pageY=f.clientY+(k&&k.scrollTop||a.scrollTop||0)}else{this.lastMousePos.pageX=f.pageX;this.lastMousePos.pageY=f.pageY}var g=this.overlay.cumulativeOffset();var h={x:this.xaxis.min+(f.pageX-g.left-this.chartOffset.left)/this.hozScale,y:this.yaxis.max-(f.pageY-g.top-this.chartOffset.top)/this.vertScale};if(this.options.mouse.track&&this.selectionInterval==null){this.hit(c,h)}this.domObj.fire("ProtoChart:mousemove",[h])},onMouseOut:function(b){this.mouseIsOut=true;var a=this.domObj.select("."+this.options.mouse.clsName).first();if(a){a.setStyle({display:"none"})}this.clearHit()},onMouseDown:function(a){if(a.which!=1){return}document.body.focus();if(document.onselectstart!==undefined&&this.workarounds.onselectstart==null){this.workarounds.onselectstart=document.onselectstart;document.onselectstart=function(){return false}}if(document.ondrag!==undefined&&this.workarounds.ondrag==null){this.workarounds.ondrag=document.ondrag;document.ondrag=function(){return false}}this.setSelectionPos(this.selection.first,a);if(this.selectionInterval!=null){clearInterval(this.selectionInterval)}this.lastMousePos.pageX=null;this.selectionInterval=setInterval(this.updateSelectionOnMouseMove.bind(this),200);this.overlay.observe("mouseup",this.onSelectionMouseUp.bind(this))},onClick:function(b){if(this.ignoreClick){this.ignoreClick=false;return}var c=this.overlay.cumulativeOffset();var f={x:this.xaxis.min+(b.pageX-c.left-this.chartOffset.left)/this.hozScale,y:this.yaxis.max-(b.pageY-c.top-this.chartOffset.top)/this.vertScale};this.domObj.fire("ProtoChart:plotclick",[f]);if(this.options.allowDataClick){var a={};if(this.options.points.show){a=this.getDataClickPoint(f,this.options);this.domObj.fire("ProtoChart:dataclick",[a])}else{if(this.options.lines.show&&this.options.points.show){a=this.getDataClickPoint(f,this.options);this.domObj.fire("ProtoChart:dataclick",[a])}else{if(this.options.bars.show){if(this.barDataRange.length>0){a=this.getDataClickPoint(f,this.options,this.barDataRange);this.domObj.fire("ProtoChart:dataclick",[a])}}}}}},getDataClickPoint:function(f,c,e){f.x=parseInt(f.x);f.y=parseInt(f.y);var b=f.y.toFixed(0);var a={};a.position=f;a.value="";a.queryName="";a.date=null;if(c.points.show||c.lines.show){this.graphData.each(function(n){var h=n.data;var m=parseInt(f.x.toFixed(0));if(m<0){m=0}if(this.options.xaxis.mode=="time"){var o=new Date(m);o.setHours(0,0,0,0);m=o.getTime();a.date=o}dist=Number.MAX_VALUE;xsens=(this.hozScale*n.mouse.sensibility);ysens=(this.vertScale*n.mouse.sensibility);for(var l=0,k,g;lh.left&&xClick=this.selection.second.y){e=this.selection.first.y;c=this.selection.second.y}else{e=this.selection.second.y;c=this.selection.first.y}b=this.xaxis.min+b/this.hozScale;a=this.xaxis.min+a/this.hozScale;e=this.yaxis.max-e/this.vertScale;c=this.yaxis.max-c/this.vertScale;this.domObj.fire("ProtoChart:selected",[{x1:b,y1:e,x2:a,y2:c}])},onSelectionMouseUp:function(a){if(document.onselectstart!==undefined){document.onselectstart=this.workarounds.onselectstart}if(document.ondrag!==undefined){document.ondrag=this.workarounds.ondrag}if(this.selectionInterval!=null){clearInterval(this.selectionInterval);this.selectionInterval=null}this.setSelectionPos(this.selection.second,a);this.clearSelection();if(!this.selectionIsSane()||a.which!=1){return false}this.drawSelection();this.triggerSelectedEvent();this.ignoreClick=true;return false},setSelectionPos:function(c,a){var b=$(this.overlay).cumulativeOffset();if(this.options.selection.mode=="y"){if(c==this.selection.first){c.x=0}else{c.x=this.chartWidth}}else{c.x=a.pageX-b.left-this.chartOffset.left;c.x=Math.min(Math.max(0,c.x),this.chartWidth)}if(this.options.selection.mode=="x"){if(c==this.selection.first){c.y=0}else{c.y=this.chartHeight}}else{c.y=a.pageY-b.top-this.chartOffset.top;c.y=Math.min(Math.max(0,c.y),this.chartHeight)}},updateSelectionOnMouseMove: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 a=Math.min(this.prevSelection.first.x,this.prevSelection.second.x),e=Math.min(this.prevSelection.first.y,this.prevSelection.second.y),b=Math.abs(this.prevSelection.second.x-this.prevSelection.first.x),c=Math.abs(this.prevSelection.second.y-this.prevSelection.first.y);this.overlayContext.clearRect(a+this.chartOffset.left-this.overlayContext.lineWidth,e+this.chartOffset.top-this.overlayContext.lineWidth,b+this.overlayContext.lineWidth*2,c+this.overlayContext.lineWidth*2);this.prevSelection=null},setSelection:function(a){this.clearSelection();if(this.options.selection.mode=="x"){this.selection.first.y=0;this.selection.second.y=this.chartHeight}else{this.selection.first.y=(this.yaxis.max-a.y1)*this.vertScale;this.selection.second.y=(this.yaxis.max-a.y2)*this.vertScale}if(this.options.selection.mode=="y"){this.selection.first.x=0;this.selection.second.x=this.chartWidth}else{this.selection.first.x=(a.x1-this.xaxis.min)*this.hozScale;this.selection.second.x=(a.x2-this.xaxis.min)*this.hozScale}this.drawSelection();this.triggerSelectedEvent()},drawSelection:function(){if(this.prevSelection!=null&&this.selection.first.x==this.prevSelection.first.x&&this.selection.first.y==this.prevSelection.first.y&&this.selection.second.x==this.prevSelection.second.x&&this.selection.second.y==this.prevSelection.second.y){return}this.overlayContext.strokeStyle=this.parseColor(this.options.selection.color).scale(null,null,null,0.8).toString();this.overlayContext.lineWidth=1;this.context.lineJoin="round";this.overlayContext.fillStyle=this.parseColor(this.options.selection.color).scale(null,null,null,0.4).toString();this.prevSelection={first:{x:this.selection.first.x,y:this.selection.first.y},second:{x:this.selection.second.x,y:this.selection.second.y}};var a=Math.min(this.selection.first.x,this.selection.second.x),e=Math.min(this.selection.first.y,this.selection.second.y),b=Math.abs(this.selection.second.x-this.selection.first.x),c=Math.abs(this.selection.second.y-this.selection.first.y);this.overlayContext.fillRect(a+this.chartOffset.left,e+this.chartOffset.top,b,c);this.overlayContext.strokeRect(a+this.chartOffset.left,e+this.chartOffset.top,b,c)},selectionIsSane:function(){var a=5;return Math.abs(this.selection.second.x-this.selection.first.x)>=a&&Math.abs(this.selection.second.y-this.selection.first.y)>=a},defaultTrackFormatter:function(a){return"["+a.x+", "+a.y+"]"},clearHit:function(){if(this.prevHit){this.overlayContext.clearRect(this.translateHoz(this.prevHit.x)+this.chartOffset.left-this.options.mouse.radius*2,this.translateVert(this.prevHit.y)+this.chartOffset.top-this.options.mouse.radius*2,this.options.mouse.radius*3+this.options.points.lineWidth*3,this.options.mouse.radius*3+this.options.points.lineWidth*3);this.prevHit=null}},hit:function(a,u){var h={dist:Number.MAX_VALUE,x:null,y:null,graphData:null,mouse:null};for(var s=0,r,l,e;s