/*!
* d3pie
* @author Ben Keen
* @version 0.1.8
* @date April 2015
* @repo http://github.com/benkeen/d3pie
*/
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a="d3pie",b="0.1.6",c=0,d={header:{title:{text:"",color:"#333333",fontSize:18,font:"arial"},subtitle:{text:"",color:"#666666",fontSize:14,font:"arial"},location:"top-center",titleSubtitlePadding:8},footer:{text:"",color:"#666666",fontSize:14,font:"arial",location:"left"},size:{canvasHeight:500,canvasWidth:500,pieInnerRadius:"0%",pieOuterRadius:null},data:{sortOrder:"none",ignoreSmallSegments:{enabled:!1,valueType:"percentage",value:null},smallSegmentGrouping:{enabled:!1,value:1,valueType:"percentage",label:"Other",color:"#cccccc"},content:[]},labels:{outer:{format:"label",hideWhenLessThanPercentage:null,pieDistance:30},inner:{format:"percentage",hideWhenLessThanPercentage:null},mainLabel:{color:"#333333",font:"arial",fontSize:10},percentage:{color:"#dddddd",font:"arial",fontSize:10,decimalPlaces:0},value:{color:"#cccc44",font:"arial",fontSize:10},lines:{enabled:!0,style:"curved",color:"segment"},truncation:{enabled:!1,truncateLength:30},formatter:null},effects:{load:{effect:"default",speed:1e3},pullOutSegmentOnClick:{effect:"bounce",speed:300,size:10},highlightSegmentOnMouseover:!0,highlightLuminosity:-.2},tooltips:{enabled:!1,type:"placeholder",string:"",placeholderParser:null,styles:{fadeInSpeed:250,backgroundColor:"#000000",backgroundOpacity:.5,color:"#efefef",borderRadius:2,font:"arial",fontSize:10,padding:4}},misc:{colors:{background:null,segments:["#2484c1","#65a620","#7b6888","#a05d56","#961a1a","#d8d23a","#e98125","#d0743c","#635222","#6ada6a","#0c6197","#7d9058","#207f33","#44b9b0","#bca44a","#e4a14b","#a3acb2","#8cc3e9","#69a6f9","#5b388f","#546e91","#8bde95","#d2ab58","#273c71","#98bf6e","#4daa4b","#98abc5","#cc1010","#31383b","#006391","#c2643f","#b0a474","#a5a39c","#a9c2bc","#22af8c","#7fcecf","#987ac6","#3d3b87","#b77b1c","#c9c2b6","#807ece","#8db27c","#be66a2","#9ed3c6","#00644b","#005064","#77979f","#77e079","#9c73ab","#1f79a7"],segmentStroke:"#ffffff"},gradient:{enabled:!1,percentage:95,color:"#000000"},canvasPadding:{top:5,right:5,bottom:5,left:5},pieCenterOffset:{x:0,y:0},cssPrefix:null},callbacks:{onload:null,onMouseoverSegment:null,onMouseoutSegment:null,onClickSegment:null}},e={initialCheck:function(a){var b=a.cssPrefix,c=a.element,d=a.options;if(!window.d3||!window.d3.hasOwnProperty("version"))return console.error("d3pie error: d3 is not available"),!1;if(!(c instanceof HTMLElement||c instanceof SVGElement))return console.error("d3pie error: the first d3pie() param must be a valid DOM element (not jQuery) or a ID string."),!1;if(!/[a-zA-Z][a-zA-Z0-9_-]*$/.test(b))return console.error("d3pie error: invalid options.misc.cssPrefix"),!1;if(!f.isArray(d.data.content))return console.error("d3pie error: invalid config structure: missing data.content property."),!1;if(0===d.data.content.length)return console.error("d3pie error: no data supplied."),!1;for(var e=[],g=0;g<d.data.content.length;g++)"number"!=typeof d.data.content[g].value||isNaN(d.data.content[g].value)?console.log("not valid: ",d.data.content[g]):d.data.content[g].value<=0?console.log("not valid - should have positive value: ",d.data.content[g]):e.push(d.data.content[g]);return 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h.getPieTranslateCenter(b)}).attr("class",a.cssPrefix+"pieChart"),g=d3.svg.arc().innerRadius(a.innerRadius).outerRadius(a.outerRadius).startAngle(0).endAngle(function(b){return b.value/a.totalSize*2*Math.PI}),i=f.selectAll("."+a.cssPrefix+"arc").data(a.options.data.content).enter().append("g").attr("class",a.cssPrefix+"arc"),k=d.speed;"none"===d.effect&&(k=0),i.append("path").attr("id",function(b,c){return a.cssPrefix+"segment"+c}).attr("fill",function(b,d){var e=c[d];return a.options.misc.gradient.enabled&&(e="url(#"+a.cssPrefix+"grad"+d+")"),e}).style("stroke",e).style("stroke-width",1).transition().ease("cubic-in-out").duration(k).attr("data-index",function(a,b){return b}).attrTween("d",function(b){var c=d3.interpolate({value:0},b);return function(b){return a.arc(c(b))}}),a.svg.selectAll("g."+a.cssPrefix+"arc").attr("transform",function(b,c){var d=0;return c>0&&(d=j.getSegmentAngle(c-1,a.options.data.content,a.totalSize)),"rotate("+d+")"}),a.arc=g},addGradients:function(a){var b=a.svg.append("defs").selectAll("radialGradient").data(a.options.data.content).enter().append("radialGradient").attr("gradientUnits","userSpaceOnUse").attr("cx",0).attr("cy",0).attr("r","120%").attr("id",function(b,c){return a.cssPrefix+"grad"+c});b.append("stop").attr("offset","0%").style("stop-color",function(b,c){return a.options.colors[c]}),b.append("stop").attr("offset",a.options.misc.gradient.percentage+"%").style("stop-color",a.options.misc.gradient.color)},addSegmentEventHandlers:function(a){var b=d3.selectAll("."+a.cssPrefix+"arc,."+a.cssPrefix+"labelGroup-inner,."+a.cssPrefix+"labelGroup-outer");b.on("click",function(){var b,c=d3.select(this);if(c.attr("class")===a.cssPrefix+"arc")b=c.select("path");else{var d=c.attr("data-index");b=d3.select("#"+a.cssPrefix+"segment"+d)}var e=b.attr("class")===a.cssPrefix+"expanded";j.onSegmentEvent(a,a.options.callbacks.onClickSegment,b,e),"none"!==a.options.effects.pullOutSegmentOnClick.effect&&(e?j.closeSegment(a,b.node()):j.openSegment(a,b.node()))}),b.on("mouseover",function(){var b,c,d=d3.select(this);if(d.attr("class")===a.cssPrefix+"arc"?b=d.select("path"):(c=d.attr("data-index"),b=d3.select("#"+a.cssPrefix+"segment"+c)),a.options.effects.highlightSegmentOnMouseover){c=b.attr("data-index");var e=a.options.colors[c];b.style("fill",f.getColorShade(e,a.options.effects.highlightLuminosity))}a.options.tooltips.enabled&&(c=b.attr("data-index"),l.showTooltip(a,c));var g=b.attr("class")===a.cssPrefix+"expanded";j.onSegmentEvent(a,a.options.callbacks.onMouseoverSegment,b,g)}),b.on("mousemove",function(){l.moveTooltip(a)}),b.on("mouseout",function(){var b,c,d=d3.select(this);if(d.attr("class")===a.cssPrefix+"arc"?b=d.select("path"):(c=d.attr("data-index"),b=d3.select("#"+a.cssPrefix+"segment"+c)),a.options.effects.highlightSegmentOnMouseover){c=b.attr("data-index");var e=a.options.colors[c];a.options.misc.gradient.enabled&&(e="url(#"+a.cssPrefix+"grad"+c+")"),b.style("fill",e)}a.options.tooltips.enabled&&(c=b.attr("data-index"),l.hideTooltip(a,c));var f=b.attr("class")===a.cssPrefix+"expanded";j.onSegmentEvent(a,a.options.callbacks.onMouseoutSegment,b,f)})},onSegmentEvent:function(a,b,c,d){if(f.isFunction(b)){var e=parseInt(c.attr("data-index"),10);b({segment:c.node(),index:e,expanded:d,data:a.options.data.content[e]})}},openSegment:function(a,b){a.isOpeningSegment||(a.isOpeningSegment=!0,d3.selectAll("."+a.cssPrefix+"expanded").length>0&&j.closeSegment(a,d3.select("."+a.cssPrefix+"expanded").node()),d3.select(b).transition().ease(a.options.effects.pullOutSegmentOnClick.effect).duration(a.options.effects.pullOutSegmentOnClick.speed).attr("transform",function(b,c){var d=a.arc.centroid(b),e=d[0],f=d[1],g=Math.sqrt(e*e+f*f),h=parseInt(a.options.effects.pullOutSegmentOnClick.size,10);return"translate("+e/g*h+","+f/g*h+")"}).each("end",function(c,d){a.currentlyOpenSegment=b,a.isOpeningSegment=!1,d3.select(this).attr("class",a.cssPrefix+"expanded")}))},closeSegment:function(a,b){d3.select(b).transition().duration(400).attr("transform","translate(0,0)").each("end",function(b,c){d3.select(this).attr("class",""),a.currentlyOpenSegment=null})},getCentroid:function(a){var b=a.getBBox();return{x:b.x+b.width/2,y:b.y+b.height/2}},getSegmentAngle:function(a,b,c,d){var e,f=g({compounded:!0,midpoint:!1},d),h=b[a].value;if(f.compounded){e=0;for(var i=0;a>=i;i++)e+=b[i].value}"undefined"==typeof e&&(e=h);var j=e/c*360;if(f.midpoint){var k=h/c*360;j-=k/2}return j},getPercentage:function(a,b,c){var d=a.options.data.content[b].value/a.totalSize;return 0>=c?Math.round(100*d):(100*d).toFixed(c)}},k={offscreenCoord:-1e4,addTitle:function(a){a.svg.selectAll("."+a.cssPrefix+"title").data([a.options.header.title]).enter().append("text").text(function(a){return a.text}).attr({id:a.cssPrefix+"title","class":a.cssPrefix+"title",x:k.offscreenCoord,y:k.offscreenCoord}).attr("text-anchor",function(){var b;return b="top-center"===a.options.header.location||"pie-center"===a.options.header.location?"middle":"left"}).attr("fill",function(a){return a.color}).style("font-size",function(a){return a.fontSize+"px"}).style("font-family",function(a){return a.font})},positionTitle:function(a){var b,c=a.textComponents,d=a.options.header.location,e=a.options.misc.canvasPadding,f=a.options.size.canvasWidth,g=a.options.header.titleSubtitlePadding;b="top-left"===d?e.left:(f-e.right)/2+e.left,b+=a.options.misc.pieCenterOffset.x;var h=e.top+c.title.h;if("pie-center"===d)if(h=a.pieCenter.y,c.subtitle.exists){var i=c.title.h+g+c.subtitle.h;h=h-i/2+c.title.h}else h+=c.title.h/4;a.svg.select("#"+a.cssPrefix+"title").attr("x",b).attr("y",h)},addSubtitle:function(a){var b=a.options.header.location;a.svg.selectAll("."+a.cssPrefix+"subtitle").data([a.options.header.subtitle]).enter().append("text").text(function(a){return a.text}).attr("x",k.offscreenCoord).attr("y",k.offscreenCoord).attr("id",a.cssPrefix+"subtitle").attr("class",a.cssPrefix+"subtitle").attr("text-anchor",function(){var a;return a="top-center"===b||"pie-center"===b?"middle":"left"}).attr("fill",function(a){return a.color}).style("font-size",function(a){return a.fontSize+"px"}).style("font-family",function(a){return a.font})},positionSubtitle:function(a){var b,c=a.options.misc.canvasPadding,d=a.options.size.canvasWidth;b="top-left"===a.options.header.location?c.left:(d-c.right)/2+c.left,b+=a.options.misc.pieCenterOffset.x;var e=k.getHeaderHeight(a);a.svg.select("#"+a.cssPrefix+"subtitle").attr("x",b).attr("y",e)},addFooter:function(a){a.svg.selectAll("."+a.cssPrefix+"footer").data([a.options.footer]).enter().append("text").text(function(a){return a.text}).attr("x",k.offscreenCoord).attr("y",k.offscreenCoord).attr("id",a.cssPrefix+"footer").attr("class",a.cssPrefix+"footer").attr("text-anchor",function(){var b="left";return"bottom-center"===a.options.footer.location?b="middle":"bottom-right"===a.options.footer.location&&(b="left"),b}).attr("fill",function(a){return a.color}).style("font-size",function(a){return a.fontSize+"px"}).style("font-family",function(a){return a.font})},positionFooter:function(a){var b,c=a.options.footer.location,d=a.textComponents.footer.w,e=a.options.size.canvasWidth,f=a.options.size.canvasHeight,g=a.options.misc.canvasPadding;b="bottom-left"===c?g.left:"bottom-right"===c?e-d-g.right:e/2,a.svg.select("#"+a.cssPrefix+"footer").attr("x",b).attr("y",f-g.bottom)},getHeaderHeight:function(a){var b;if(a.textComponents.title.exists){var c=a.textComponents.title.h+a.options.header.titleSubtitlePadding+a.textComponents.subtitle.h;b="pie-center"===a.options.header.location?a.pieCenter.y-c/2+c:c+a.options.misc.canvasPadding.top}else if("pie-center"===a.options.header.location){var d=a.options.misc.canvasPadding.bottom+a.textComponents.footer.h;b=(a.options.size.canvasHeight-d)/2+a.options.misc.canvasPadding.top+a.textComponents.subtitle.h/2}else b=a.options.misc.canvasPadding.top+a.textComponents.subtitle.h;return b}},l={addTooltips:function(a){var b=a.svg.insert("g").attr("class",a.cssPrefix+"tooltips");b.selectAll("."+a.cssPrefix+"tooltip").data(a.options.data.content).enter().append("g").attr("class",a.cssPrefix+"tooltip").attr("id",function(b,c){return a.cssPrefix+"tooltip"+c}).style("opacity",0).append("rect").attr({rx:a.options.tooltips.styles.borderRadius,ry:a.options.tooltips.styles.borderRadius,x:-a.options.tooltips.styles.padding,opacity:a.options.tooltips.styles.backgroundOpacity}).style("fill",a.options.tooltips.styles.backgroundColor),b.selectAll("."+a.cssPrefix+"tooltip").data(a.options.data.content).append("text").attr("fill",function(b){return a.options.tooltips.styles.color}).style("font-size",function(b){return a.options.tooltips.styles.fontSize}).style("font-family",function(b){return a.options.tooltips.styles.font}).text(function(b,c){var d=a.options.tooltips.string;return"caption"===a.options.tooltips.type&&(d=b.caption),l.replacePlaceholders(a,d,c,{label:b.label,value:b.value,percentage:j.getPercentage(a,c,a.options.labels.percentage.decimalPlaces)})}),b.selectAll("."+a.cssPrefix+"tooltip rect").attr({width:function(b,c){var d=f.getDimensions(a.cssPrefix+"tooltip"+c);return d.w+2*a.options.tooltips.styles.padding},height:function(b,c){var d=f.getDimensions(a.cssPrefix+"tooltip"+c);return d.h+2*a.options.tooltips.styles.padding},y:function(b,c){var d=f.getDimensions(a.cssPrefix+"tooltip"+c);return-(d.h/2)+1}})},showTooltip:function(a,b){var c=a.options.tooltips.styles.fadeInSpeed;l.currentTooltip===b&&(c=1),l.currentTooltip=b,d3.select("#"+a.cssPrefix+"tooltip"+b).transition().duration(c).style("opacity",function(){return 1}),l.moveTooltip(a)},moveTooltip:function(a){d3.selectAll("#"+a.cssPrefix+"tooltip"+l.currentTooltip).attr("transform",function(b){var c=d3.mouse(this.parentNode),d=c[0]+a.options.tooltips.styles.padding+2,e=c[1]-2*a.options.tooltips.styles.padding-2;return"translate("+d+","+e+")"})},hideTooltip:function(a,b){d3.select("#"+a.cssPrefix+"tooltip"+b).style("opacity",function(){return 0}),d3.select("#"+a.cssPrefix+"tooltip"+l.currentTooltip).attr("transform",function(b,c){var d=a.options.size.canvasWidth+1e3,e=a.options.size.canvasHeight+1e3;return"translate("+d+","+e+")"})},replacePlaceholders:function(a,b,c,d){f.isFunction(a.options.tooltips.placeholderParser)&&a.options.tooltips.placeholderParser(c,d);var e=function(){return function(a){var b=arguments[1];return d.hasOwnProperty(b)?d[arguments[1]]:arguments[0]}};return b.replace(/\{(\w+)\}/g,e(d))}},m=function(i,j){if(this.element=i,"string"==typeof i){var k=i.replace(/^#/,"");this.element=document.getElementById(k)}var l={};g(!0,l,d,j),this.options=l,null!==this.options.misc.cssPrefix?this.cssPrefix=this.options.misc.cssPrefix:(this.cssPrefix="p"+c+"_",c++),e.initialCheck(this)&&(d3.select(this.element).attr(a,b),this.options.data.content=h.sortPieData(this),this.options.data.smallSegmentGrouping.enabled&&(this.options.data.content=f.applySmallSegmentGrouping(this.options.data.content,this.options.data.smallSegmentGrouping)),this.options.colors=f.initSegmentColors(this),this.totalSize=h.getTotalPieSize(this.options.data.content),n.call(this))};m.prototype.recreate=function(){e.initialCheck(this)&&(this.options.data.content=h.sortPieData(this),this.options.data.smallSegmentGrouping.enabled&&(this.options.data.content=f.applySmallSegmentGrouping(this.options.data.content,this.options.data.smallSegmentGrouping)),this.options.colors=f.initSegmentColors(this),this.totalSize=h.getTotalPieSize(this.options.data.content),n.call(this))},m.prototype.redraw=function(){this.element.innerHTML="",n.call(this)},m.prototype.destroy=function(){this.element.innerHTML="",d3.select(this.element).attr(a,null)},m.prototype.getOpenSegment=function(){var a=this.currentlyOpenSegment;if(null!==a&&"undefined"!=typeof a){var b=parseInt(d3.select(a).attr("data-index"),10);return{element:a,index:b,data:this.options.data.content[b]}}return null},m.prototype.openSegment=function(a){a=parseInt(a,10),0>a||a>this.options.data.content.length-1||j.openSegment(this,d3.select("#"+this.cssPrefix+"segment"+a).node())},m.prototype.closeSegment=function(){var a=this.currentlyOpenSegment;a&&j.closeSegment(this,a)},m.prototype.updateProp=function(a,b){switch(a){case"header.title.text":var c=f.processObj(this.options,a);f.processObj(this.options,a,b),d3.select("#"+this.cssPrefix+"title").html(b),(""===c&&""!==b||""!==c&&""===b)&&this.redraw();break;case"header.subtitle.text":var d=f.processObj(this.options,a);f.processObj(this.options,a,b),d3.select("#"+this.cssPrefix+"subtitle").html(b),(""===d&&""!==b||""!==d&&""===b)&&this.redraw();break;case"callbacks.onload":case"callbacks.onMouseoverSegment":case"callbacks.onMouseoutSegment":case"callbacks.onClickSegment":case"effects.pullOutSegmentOnClick.effect":case"effects.pullOutSegmentOnClick.speed":case"effects.pullOutSegmentOnClick.size":case"effects.highlightSegmentOnMouseover":case"effects.highlightLuminosity":f.processObj(this.options,a,b);break;default:f.processObj(this.options,a,b),this.destroy(),this.recreate()}};var n=function(){this.svg=f.addSVGSpace(this),this.textComponents={headerHeight:0,title:{exists:""!==this.options.header.title.text,h:0,w:0},subtitle:{exists:""!==this.options.header.subtitle.text,h:0,w:0},footer:{exists:""!==this.options.footer.text,h:0,w:0}},this.outerLabelGroupData=[],
this.textComponents.title.exists&&k.addTitle(this),this.textComponents.subtitle.exists&&k.addSubtitle(this),k.addFooter(this);var a=this;f.whenIdExists(this.cssPrefix+"footer",function(){k.positionFooter(a);var b=f.getDimensions(a.cssPrefix+"footer");a.textComponents.footer.h=b.h,a.textComponents.footer.w=b.w});var b=[];this.textComponents.title.exists&&b.push(this.cssPrefix+"title"),this.textComponents.subtitle.exists&&b.push(this.cssPrefix+"subtitle"),this.textComponents.footer.exists&&b.push(this.cssPrefix+"footer"),f.whenElementsExist(b,function(){if(a.textComponents.title.exists){var b=f.getDimensions(a.cssPrefix+"title");a.textComponents.title.h=b.h,a.textComponents.title.w=b.w}if(a.textComponents.subtitle.exists){var c=f.getDimensions(a.cssPrefix+"subtitle");a.textComponents.subtitle.h=c.h,a.textComponents.subtitle.w=c.w}if(a.textComponents.title.exists||a.textComponents.subtitle.exists){var d=0;a.textComponents.title.exists&&(d+=a.textComponents.title.h,a.textComponents.subtitle.exists&&(d+=a.options.header.titleSubtitlePadding)),a.textComponents.subtitle.exists&&(d+=a.textComponents.subtitle.h),a.textComponents.headerHeight=d}h.computePieRadius(a),h.calculatePieCenter(a),k.positionTitle(a),k.positionSubtitle(a),a.options.misc.gradient.enabled&&j.addGradients(a),j.create(a),i.add(a,"inner",a.options.labels.inner.format),i.add(a,"outer",a.options.labels.outer.format),i.positionLabelElements(a,"inner",a.options.labels.inner.format),i.positionLabelElements(a,"outer",a.options.labels.outer.format),i.computeOuterLabelCoords(a),i.positionLabelGroups(a,"outer"),i.computeLabelLinePositions(a),a.options.labels.lines.enabled&&"none"!==a.options.labels.outer.format&&i.addLabelLines(a),i.positionLabelGroups(a,"inner"),i.fadeInLabelsAndLines(a),a.options.tooltips.enabled&&l.addTooltips(a),j.addSegmentEventHandlers(a)})};return m});