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Filename : xcharts.min.js
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/*!
xCharts v0.3.0 Copyright (c) 2012, tenXer, Inc. All Rights Reserved.
@license MIT license. http://github.com/tenXer/xcharts for details
*/
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_visutils.colorClass(this,i)}).transition().duration(timing).style("opacity",1).attr("transform",function(d,i){return"translate("+self.xScale2(i)+",0)"});storage.bars.transition().duration(timing).attr("width",self.xScale2.rangeBand()).attr("x",function(d){return self.xScale(d.x)}).attr("height",function(d){return Math.abs(yZero-self.yScale(d.y))}).attr("y",function(d){return d.y<0?yZero:self.yScale(d.y)})}function exit(self,storage,timing){storage.bars.exit().transition().duration(timing).attr("width",0).remove();storage.barGroups.exit().transition().duration(timing).style("opacity",0).remove()}function destroy(self,storage,timing){var band=self.xScale2?self.xScale2.rangeBand()/2:0;delete self.xScale2;storage.bars.transition().duration(timing).attr("width",0).attr("x",function(d){return self.xScale(d.x)+band})}_vis.bar={postUpdateScale:postUpdateScale,enter:enter,update:update,exit:exit,destroy:destroy}})();(function(){var zIndex=3,selector="g.line",insertBefore=_visutils.getInsertionPoint(zIndex);function enter(self,storage,className,data,callbacks){var inter=self._options.interpolation,x=function(d,i){if(!self.xScale2&&!self.xScale.rangeBand){return self.xScale(d.x)}return self.xScale(d.x)+self.xScale.rangeBand()/2},y=function(d){return self.yScale(d.y)},line=d3.svg.line().x(x).interpolate(inter),area=d3.svg.area().x(x).y1(self.yZero).interpolate(inter),container,fills,paths;function datum(d){return[d.data]}container=self._g.selectAll(selector+className).data(data,function(d){return d.className});container.enter().insert("g",insertBefore).attr("data-index",zIndex).attr("class",function(d,i){var cl=_.uniq((className+d.className).split(".")).join(" ");return cl+" line "+_visutils.colorClass(this,i)});fills=container.selectAll("path.fill").data(datum);fills.enter().append("path").attr("class","fill").style("opacity",0).attr("d",area.y0(y));paths=container.selectAll("path.line").data(datum);paths.enter().append("path").attr("class","line").style("opacity",0).attr("d",line.y(y));storage.lineContainers=container;storage.lineFills=fills;storage.linePaths=paths;storage.lineX=x;storage.lineY=y;storage.lineA=area;storage.line=line}function update(self,storage,timing){storage.lineContainers.attr("class",function(d,i){return _visutils.colorClass(this,i)});storage.lineFills.transition().duration(timing).style("opacity",1).attr("d",storage.lineA.y0(storage.lineY));storage.linePaths.transition().duration(timing).style("opacity",1).attr("d",storage.line.y(storage.lineY))}function exit(self,storage){storage.linePaths.exit().style("opacity",0).remove();storage.lineFills.exit().style("opacity",0).remove();storage.lineContainers.exit().remove()}function destroy(self,storage,timing){storage.linePaths.transition().duration(timing).style("opacity",0);storage.lineFills.transition().duration(timing).style("opacity",0)}_vis.line={enter:enter,update:update,exit:exit,destroy:destroy}})();(function(){var line=_vis.line;function enter(self,storage,className,data,callbacks){var circles;line.enter(self,storage,className,data,callbacks);circles=storage.lineContainers.selectAll("circle").data(function(d){return d.data},function(d){return d.x});circles.enter().append("circle").style("opacity",0).attr("cx",storage.lineX).attr("cy",storage.lineY).attr("r",5).on("mouseover",callbacks.mouseover).on("mouseout",callbacks.mouseout).on("click",callbacks.click);storage.lineCircles=circles}function update(self,storage,timing){line.update.apply(null,_.toArray(arguments));storage.lineCircles.transition().duration(timing).style("opacity",1).attr("cx",storage.lineX).attr("cy",storage.lineY)}function exit(self,storage){storage.lineCircles.exit().remove();line.exit.apply(null,_.toArray(arguments))}function destroy(self,storage,timing){line.destroy.apply(null,_.toArray(arguments));if(!storage.lineCircles){return}storage.lineCircles.transition().duration(timing).style("opacity",0)}_vis["line-dotted"]={enter:enter,update:update,exit:exit,destroy:destroy}})();(function(){var line=_vis["line-dotted"];function enter(self,storage,className,data,callbacks){line.enter(self,storage,className,data,callbacks)}function _accumulate_data(data){function reduce(memo,num){return memo+num.y}var nData=_.map(data,function(set){var i=set.data.length,d=_.clone(set.data);set=_.clone(set);while(i){i-=1;d[i]=_.clone(set.data[i]);d[i].y0=set.data[i].y;d[i].y=_.reduce(_.first(set.data,i),reduce,set.data[i].y)}return _.extend(set,{data:d})});return nData}function _resetData(self){if(!self.hasOwnProperty("cumulativeOMainData")){return}self._mainData=self.cumulativeOMainData;delete self.cumulativeOMainData;self._compData=self.cumulativeOCompData;delete self.cumulativeOCompData}function preUpdateScale(self,data){_resetData(self);self.cumulativeOMainData=self._mainData;self._mainData=_accumulate_data(self._mainData);self.cumulativeOCompData=self._compData;self._compData=_accumulate_data(self._compData)}function destroy(self,storage,timing){_resetData(self);line.destroy.apply(null,_.toArray(arguments))}_vis.cumulative={preUpdateScale:preUpdateScale,enter:enter,update:line.update,exit:line.exit,destroy:destroy}})();var emptyData=[[]],defaults={mouseover:function(data,i){},mouseout:function(data,i){},click:function(data,i){},axisPaddingTop:0,axisPaddingRight:0,axisPaddingBottom:5,axisPaddingLeft:20,paddingTop:0,paddingRight:0,paddingBottom:20,paddingLeft:60,tickHintX:10,tickFormatX:function(x){return x},tickHintY:10,tickFormatY:function(y){return y},xMin:null,xMax:null,yMin:null,yMax:null,dataFormatX:function(x){return x},dataFormatY:function(y){return y},unsupported:function(selector){d3.select(selector).text("SVG is not supported on your browser")},empty:function(self,selector,d){},notempty:function(self,selector){},timing:750,interpolation:"monotone",sortX:function(a,b){return!a.x&&!b.x?0:a.x<b.x?-1:1}};function svgEnabled(){var d=document;return!!d.createElementNS&&!!d.createElementNS("http://www.w3.org/2000/svg","svg").createSVGRect}function xChart(type,data,selector,options){var self=this,resizeLock;self._options=options=_.defaults(options||{},defaults);if(svgEnabled()===false){return options.unsupported(selector)}self._selector=selector;self._container=d3.select(selector);self._drawSvg();self._mainStorage={};self._compStorage={};data=_.clone(data);if(type&&!data.type){data.type=type}self.setData(data);d3.select(window).on("resize.for."+selector,function(){if(resizeLock){clearTimeout(resizeLock)}resizeLock=setTimeout(function(){resizeLock=null;self._resize()},500)})}xChart.setVis=function(type,vis){if(_vis.hasOwnProperty(type)){throw'Cannot override vis type "'+type+'".'}_vis[type]=vis};xChart.getVis=function(type){if(!_vis.hasOwnProperty(type)){throw'Vis type "'+type+'" does not exist.'}return _.clone(_vis[type])};xChart.setScale=function(name,fn){if(_scales.hasOwnProperty(name)){throw'Scale type "'+name+'" already exists.'}_scales[name]=fn};xChart.getScale=function(name){if(!_scales.hasOwnProperty(name)){throw'Scale type "'+name+'" does not exist.'}return _scales[name]};xChart.visutils=_visutils;_.defaults(xChart.prototype,{setType:function(type,skipDraw){var self=this;if(self._type&&type===self._type){return}if(!_vis.hasOwnProperty(type)){throw'Vis type "'+type+'" is not defined.'}if(self._type){self._destroy(self._vis,self._mainStorage)}self._type=type;self._vis=_vis[type];if(!skipDraw){self._draw()}},setData:function(data){var self=this,o=self._options,nData=_.clone(data);if(!data.hasOwnProperty("main")){throw'No "main" key found in given chart data.'}switch(data.type){case"bar":data.xScale="ordinal";break;case undefined:data.type=self._type;break}o.xMin=isNaN(parseInt(data.xMin,10))?o.xMin:data.xMin;o.xMax=isNaN(parseInt(data.xMax,10))?o.xMax:data.xMax;o.yMin=isNaN(parseInt(data.yMin,10))?o.yMin:data.yMin;o.yMax=isNaN(parseInt(data.yMax,10))?o.yMax:data.yMax;if(self._vis){self._destroy(self._vis,self._mainStorage)}self.setType(data.type,true);function _mapData(set){var d=_.map(_.clone(set.data),function(p){var np=_.clone(p);if(p.hasOwnProperty("x")){np.x=o.dataFormatX(p.x)}if(p.hasOwnProperty("y")){np.y=o.dataFormatY(p.y)}return np}).sort(o.sortX);return _.extend(_.clone(set),{data:d})}nData.main=_.map(nData.main,_mapData);self._mainData=nData.main;self._xScaleType=nData.xScale;self._yScaleType=nData.yScale;if(nData.hasOwnProperty("comp")){nData.comp=_.map(nData.comp,_mapData);self._compData=nData.comp}else{self._compData=[]}self._draw()},setScale:function(axis,type){var self=this;switch(axis){case"x":self._xScaleType=type;break;case"y":self._yScaleType=type;break;default:throw'Cannot change scale of unknown axis "'+axis+'".'}self._draw()},_drawSvg:function(){var self=this,c=self._container,options=self._options,width=parseInt(c.style("width").replace("px",""),10),height=parseInt(c.style("height").replace("px",""),10),svg,g,gScale;svg=c.selectAll("svg").data(emptyData);svg.enter().append("svg").attr("height",height).attr("width",width).attr("class","xchart");svg.transition().attr("width",width).attr("height",height);g=svg.selectAll("g").data(emptyData);g.enter().append("g").attr("transform","translate("+options.paddingLeft+","+options.paddingTop+")");gScale=g.selectAll("g.scale").data(emptyData);gScale.enter().append("g").attr("class","scale");self._svg=svg;self._g=g;self._gScale=gScale;self._height=height-options.paddingTop-options.paddingBottom-options.axisPaddingTop-options.axisPaddingBottom;self._width=width-options.paddingLeft-options.paddingRight-options.axisPaddingLeft-options.axisPaddingRight},_resize:function(event){var self=this;self._drawSvg();self._draw()},_drawAxes:function(){if(this._noData){return}var self=this,o=self._options,t=self._gScale.transition().duration(o.timing),xTicks=o.tickHintX,yTicks=o.tickHintY,bottom=self._height+o.axisPaddingTop+o.axisPaddingBottom,zeroLine=d3.svg.line().x(function(d){return d}),zLine,zLinePath,xAxis,xRules,yAxis,yRules,labels;xRules=d3.svg.axis().scale(self.xScale).ticks(xTicks).tickSize(-self._height).tickFormat(o.tickFormatX).orient("bottom");xAxis=self._gScale.selectAll("g.axisX").data(emptyData);xAxis.enter().append("g").attr("class","axis axisX").attr("transform","translate(0,"+bottom+")");xAxis.call(xRules);labels=self._gScale.selectAll(".axisX g")[0];if(labels.length>self._width/80){labels.sort(function(a,b){var r=/translate\(([^,)]+)/;a=a.getAttribute("transform").match(r);b=b.getAttribute("transform").match(r);return parseFloat(a[1],10)-parseFloat(b[1],10)});d3.selectAll(labels).filter(function(d,i){return i%(Math.ceil(labels.length/xTicks)+1)}).remove()}yRules=d3.svg.axis().scale(self.yScale).ticks(yTicks).tickSize(-self._width-o.axisPaddingRight-o.axisPaddingLeft).tickFormat(o.tickFormatY).orient("left");yAxis=self._gScale.selectAll("g.axisY").data(emptyData);yAxis.enter().append("g").attr("class","axis axisY").attr("transform","translate(0,0)");t.selectAll("g.axisY").call(yRules);zLine=self._gScale.selectAll("g.axisZero").data([[]]);zLine.enter().append("g").attr("class","axisZero");zLinePath=zLine.selectAll("line").data([[]]);zLinePath.enter().append("line").attr("x1",0).attr("x2",self._width+o.axisPaddingLeft+o.axisPaddingRight).attr("y1",self.yZero).attr("y2",self.yZero);zLinePath.transition().duration(o.timing).attr("y1",self.yZero).attr("y2",self.yZero)},_updateScale:function(){var self=this,_unionData=function(){return _.union(self._mainData,self._compData)},scaleData=_unionData(),vis=self._vis,scale,min;delete self.xScale;delete self.yScale;delete self.yZero;if(vis.hasOwnProperty("preUpdateScale")){vis.preUpdateScale(self,scaleData,self._mainData,self._compData)}scaleData=_unionData();scale=_scales.xy(self,scaleData,self._xScaleType,self._yScaleType);self.xScale=scale.x;self.yScale=scale.y;min=self.yScale.domain()[0];self.yZero=min>0?self.yScale(min):self.yScale(0);if(vis.hasOwnProperty("postUpdateScale")){vis.postUpdateScale(self,scaleData,self._mainData,self._compData)}},_enter:function(vis,storage,data,className){var self=this,callbacks={click:self._options.click,mouseover:self._options.mouseover,mouseout:self._options.mouseout};self._checkVisMethod(vis,"enter");vis.enter(self,storage,className,data,callbacks)},_update:function(vis,storage){var self=this;self._checkVisMethod(vis,"update");vis.update(self,storage,self._options.timing)},_exit:function(vis,storage){var self=this;self._checkVisMethod(vis,"exit");vis.exit(self,storage,self._options.timing)},_destroy:function(vis,storage){var self=this;self._checkVisMethod(vis,"destroy");try{vis.destroy(self,storage,self._options.timing)}catch(e){}},_draw:function(){var self=this,o=self._options,comp,compKeys;self._noData=_.flatten(_.pluck(self._mainData,"data").concat(_.pluck(self._compData,"data"))).length===0;self._updateScale();self._drawAxes();self._enter(self._vis,self._mainStorage,self._mainData,".main");self._exit(self._vis,self._mainStorage);self._update(self._vis,self._mainStorage);comp=_.chain(self._compData).groupBy(function(d){return d.type});compKeys=comp.keys();_.each(self._compStorage,function(d,key){if(-1===compKeys.indexOf(key).value()){var vis=_vis[key];self._enter(vis,d,[],".comp."+key.replace(/\W+/g,""));self._exit(vis,d)}});comp.each(function(d,key){var vis=_vis[key],storage;if(!self._compStorage.hasOwnProperty(key)){self._compStorage[key]={}}storage=self._compStorage[key];self._enter(vis,storage,d,".comp."+key.replace(/\W+/g,""));self._exit(vis,storage);self._update(vis,storage)});if(self._noData){o.empty(self,self._selector,self._mainData)}else{o.notempty(self,self._selector)}},_checkVisMethod:function(vis,method){var self=this;if(!vis[method]){throw'Required method "'+method+'" not found on vis type "'+self._type+'".'}}});if(typeof define==="function"&&define.amd&&typeof define.amd==="object"){define(function(){return xChart});return}window.xChart=xChart})();