x/dash-stack
Code Issues Proposed changes
dash-stack/contrib/AdminLTE/plugins/flot/jquery.flot.pie.min.js
Paarhati Ozkasgarli 3db5fc2f12 Moving to Django 
dash-stack orginally was tought as Python Flask project.
After some heatet argument and strong considiration we
have decided to move the project to Django.

This commit is the initial commit for moving project to
Django.

Change-Id: Id28e3cf1dafbed7dd647b1020376bae893f5c3a2
Signed-off-by: Paarhati Ozkasgarli <ozkasgarli@gmail.com>
2016-11-21 19:28:30 +00:00

1 line
12 KiB
JavaScript
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(function($){var REDRAW_ATTEMPTS=10;var REDRAW_SHRINK=.95;function init(plot){var canvas=null,target=null,options=null,maxRadius=null,centerLeft=null,centerTop=null,processed=false,ctx=null;var highlights=[];plot.hooks.processOptions.push(function(plot,options){if(options.series.pie.show){options.grid.show=false;if(options.series.pie.label.show=="auto"){if(options.legend.show){options.series.pie.label.show=false}else{options.series.pie.label.show=true}}if(options.series.pie.radius=="auto"){if(options.series.pie.label.show){options.series.pie.radius=3/4}else{options.series.pie.radius=1}}if(options.series.pie.tilt>1){options.series.pie.tilt=1}else if(options.series.pie.tilt<0){options.series.pie.tilt=0}}});plot.hooks.bindEvents.push(function(plot,eventHolder){var options=plot.getOptions();if(options.series.pie.show){if(options.grid.hoverable){eventHolder.unbind("mousemove").mousemove(onMouseMove)}if(options.grid.clickable){eventHolder.unbind("click").click(onClick)}}});plot.hooks.processDatapoints.push(function(plot,series,data,datapoints){var options=plot.getOptions();if(options.series.pie.show){processDatapoints(plot,series,data,datapoints)}});plot.hooks.drawOverlay.push(function(plot,octx){var options=plot.getOptions();if(options.series.pie.show){drawOverlay(plot,octx)}});plot.hooks.draw.push(function(plot,newCtx){var options=plot.getOptions();if(options.series.pie.show){draw(plot,newCtx)}});function processDatapoints(plot,series,datapoints){if(!processed){processed=true;canvas=plot.getCanvas();target=$(canvas).parent();options=plot.getOptions();plot.setData(combine(plot.getData()))}}function combine(data){var total=0,combined=0,numCombined=0,color=options.series.pie.combine.color,newdata=[];for(var i=0;i<data.length;++i){var value=data[i].data;if($.isArray(value)&&value.length==1){value=value[0]}if($.isArray(value)){if(!isNaN(parseFloat(value[1]))&&isFinite(value[1])){value[1]=+value[1]}else{value[1]=0}}else if(!isNaN(parseFloat(value))&&isFinite(value)){value=[1,+value]}else{value=[1,0]}data[i].data=[value]}for(var i=0;i<data.length;++i){total+=data[i].data[0][1]}for(var i=0;i<data.length;++i){var value=data[i].data[0][1];if(value/total<=options.series.pie.combine.threshold){combined+=value;numCombined++;if(!color){color=data[i].color}}}for(var i=0;i<data.length;++i){var value=data[i].data[0][1];if(numCombined<2||value/total>options.series.pie.combine.threshold){newdata.push({data:[[1,value]],color:data[i].color,label:data[i].label,angle:value*Math.PI*2/total,percent:value/(total/100)})}}if(numCombined>1){newdata.push({data:[[1,combined]],color:color,label:options.series.pie.combine.label,angle:combined*Math.PI*2/total,percent:combined/(total/100)})}return newdata}function draw(plot,newCtx){if(!target){return}var canvasWidth=plot.getPlaceholder().width(),canvasHeight=plot.getPlaceholder().height(),legendWidth=target.children().filter(".legend").children().width()||0;ctx=newCtx;processed=false;maxRadius=Math.min(canvasWidth,canvasHeight/options.series.pie.tilt)/2;centerTop=canvasHeight/2+options.series.pie.offset.top;centerLeft=canvasWidth/2;if(options.series.pie.offset.left=="auto"){if(options.legend.position.match("w")){centerLeft+=legendWidth/2}else{centerLeft-=legendWidth/2}if(centerLeft<maxRadius){centerLeft=maxRadius}else if(centerLeft>canvasWidth-maxRadius){centerLeft=canvasWidth-maxRadius}}else{centerLeft+=options.series.pie.offset.left}var slices=plot.getData(),attempts=0;do{if(attempts>0){maxRadius*=REDRAW_SHRINK}attempts+=1;clear();if(options.series.pie.tilt<=.8){drawShadow()}}while(!drawPie()&&attempts<REDRAW_ATTEMPTS);if(attempts>=REDRAW_ATTEMPTS){clear();target.prepend("<div class='error'>Could not draw pie with labels contained inside canvas</div>")}if(plot.setSeries&&plot.insertLegend){plot.setSeries(slices);plot.insertLegend()}function clear(){ctx.clearRect(0,0,canvasWidth,canvasHeight);target.children().filter(".pieLabel, .pieLabelBackground").remove()}function drawShadow(){var shadowLeft=options.series.pie.shadow.left;var shadowTop=options.series.pie.shadow.top;var edge=10;var alpha=options.series.pie.shadow.alpha;var radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius;if(radius>=canvasWidth/2-shadowLeft||radius*options.series.pie.tilt>=canvasHeight/2-shadowTop||radius<=edge){return}ctx.save();ctx.translate(shadowLeft,shadowTop);ctx.globalAlpha=alpha;ctx.fillStyle="#000";ctx.translate(centerLeft,centerTop);ctx.scale(1,options.series.pie.tilt);for(var i=1;i<=edge;i++){ctx.beginPath();ctx.arc(0,0,radius,0,Math.PI*2,false);ctx.fill();radius-=i}ctx.restore()}function drawPie(){var startAngle=Math.PI*options.series.pie.startAngle;var radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius;ctx.save();ctx.translate(centerLeft,centerTop);ctx.scale(1,options.series.pie.tilt);ctx.save();var currentAngle=startAngle;for(var i=0;i<slices.length;++i){slices[i].startAngle=currentAngle;drawSlice(slices[i].angle,slices[i].color,true)}ctx.restore();if(options.series.pie.stroke.width>0){ctx.save();ctx.lineWidth=options.series.pie.stroke.width;currentAngle=startAngle;for(var i=0;i<slices.length;++i){drawSlice(slices[i].angle,options.series.pie.stroke.color,false)}ctx.restore()}drawDonutHole(ctx);ctx.restore();if(options.series.pie.label.show){return drawLabels()}else return true;function drawSlice(angle,color,fill){if(angle<=0||isNaN(angle)){return}if(fill){ctx.fillStyle=color}else{ctx.strokeStyle=color;ctx.lineJoin="round"}ctx.beginPath();if(Math.abs(angle-Math.PI*2)>1e-9){ctx.moveTo(0,0)}ctx.arc(0,0,radius,currentAngle,currentAngle+angle/2,false);ctx.arc(0,0,radius,currentAngle+angle/2,currentAngle+angle,false);ctx.closePath();currentAngle+=angle;if(fill){ctx.fill()}else{ctx.stroke()}}function drawLabels(){var currentAngle=startAngle;var radius=options.series.pie.label.radius>1?options.series.pie.label.radius:maxRadius*options.series.pie.label.radius;for(var i=0;i<slices.length;++i){if(slices[i].percent>=options.series.pie.label.threshold*100){if(!drawLabel(slices[i],currentAngle,i)){return false}}currentAngle+=slices[i].angle}return true;function drawLabel(slice,startAngle,index){if(slice.data[0][1]==0){return true}var lf=options.legend.labelFormatter,text,plf=options.series.pie.label.formatter;if(lf){text=lf(slice.label,slice)}else{text=slice.label}if(plf){text=plf(text,slice)}var halfAngle=(startAngle+slice.angle+startAngle)/2;var x=centerLeft+Math.round(Math.cos(halfAngle)*radius);var y=centerTop+Math.round(Math.sin(halfAngle)*radius)*options.series.pie.tilt;var html="<span class='pieLabel' id='pieLabel"+index+"' style='position:absolute;top:"+y+"px;left:"+x+"px;'>"+text+"</span>";target.append(html);var label=target.children("#pieLabel"+index);var labelTop=y-label.height()/2;var labelLeft=x-label.width()/2;label.css("top",labelTop);label.css("left",labelLeft);if(0-labelTop>0||0-labelLeft>0||canvasHeight-(labelTop+label.height())<0||canvasWidth-(labelLeft+label.width())<0){return false}if(options.series.pie.label.background.opacity!=0){var c=options.series.pie.label.background.color;if(c==null){c=slice.color}var pos="top:"+labelTop+"px;left:"+labelLeft+"px;";$("<div class='pieLabelBackground' style='position:absolute;width:"+label.width()+"px;height:"+label.height()+"px;"+pos+"background-color:"+c+";'></div>").css("opacity",options.series.pie.label.background.opacity).insertBefore(label)}return true}}}}function drawDonutHole(layer){if(options.series.pie.innerRadius>0){layer.save();var innerRadius=options.series.pie.innerRadius>1?options.series.pie.innerRadius:maxRadius*options.series.pie.innerRadius;layer.globalCompositeOperation="destination-out";layer.beginPath();layer.fillStyle=options.series.pie.stroke.color;layer.arc(0,0,innerRadius,0,Math.PI*2,false);layer.fill();layer.closePath();layer.restore();layer.save();layer.beginPath();layer.strokeStyle=options.series.pie.stroke.color;layer.arc(0,0,innerRadius,0,Math.PI*2,false);layer.stroke();layer.closePath();layer.restore()}}function isPointInPoly(poly,pt){for(var c=false,i=-1,l=poly.length,j=l-1;++i<l;j=i)(poly[i][1]<=pt[1]&&pt[1]<poly[j][1]||poly[j][1]<=pt[1]&&pt[1]<poly[i][1])&&pt[0]<(poly[j][0]-poly[i][0])*(pt[1]-poly[i][1])/(poly[j][1]-poly[i][1])+poly[i][0]&&(c=!c);return c}function findNearbySlice(mouseX,mouseY){var slices=plot.getData(),options=plot.getOptions(),radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius,x,y;for(var i=0;i<slices.length;++i){var s=slices[i];if(s.pie.show){ctx.save();ctx.beginPath();ctx.moveTo(0,0);ctx.arc(0,0,radius,s.startAngle,s.startAngle+s.angle/2,false);ctx.arc(0,0,radius,s.startAngle+s.angle/2,s.startAngle+s.angle,false);ctx.closePath();x=mouseX-centerLeft;y=mouseY-centerTop;if(ctx.isPointInPath){if(ctx.isPointInPath(mouseX-centerLeft,mouseY-centerTop)){ctx.restore();return{datapoint:[s.percent,s.data],dataIndex:0,series:s,seriesIndex:i}}}else{var p1X=radius*Math.cos(s.startAngle),p1Y=radius*Math.sin(s.startAngle),p2X=radius*Math.cos(s.startAngle+s.angle/4),p2Y=radius*Math.sin(s.startAngle+s.angle/4),p3X=radius*Math.cos(s.startAngle+s.angle/2),p3Y=radius*Math.sin(s.startAngle+s.angle/2),p4X=radius*Math.cos(s.startAngle+s.angle/1.5),p4Y=radius*Math.sin(s.startAngle+s.angle/1.5),p5X=radius*Math.cos(s.startAngle+s.angle),p5Y=radius*Math.sin(s.startAngle+s.angle),arrPoly=[[0,0],[p1X,p1Y],[p2X,p2Y],[p3X,p3Y],[p4X,p4Y],[p5X,p5Y]],arrPoint=[x,y];if(isPointInPoly(arrPoly,arrPoint)){ctx.restore();return{datapoint:[s.percent,s.data],dataIndex:0,series:s,seriesIndex:i}}}ctx.restore()}}return null}function onMouseMove(e){triggerClickHoverEvent("plothover",e)}function onClick(e){triggerClickHoverEvent("plotclick",e)}function triggerClickHoverEvent(eventname,e){var offset=plot.offset();var canvasX=parseInt(e.pageX-offset.left);var canvasY=parseInt(e.pageY-offset.top);var item=findNearbySlice(canvasX,canvasY);if(options.grid.autoHighlight){for(var i=0;i<highlights.length;++i){var h=highlights[i];if(h.auto==eventname&&!(item&&h.series==item.series)){unhighlight(h.series)}}}if(item){highlight(item.series,eventname)}var pos={pageX:e.pageX,pageY:e.pageY};target.trigger(eventname,[pos,item])}function highlight(s,auto){var i=indexOfHighlight(s);if(i==-1){highlights.push({series:s,auto:auto});plot.triggerRedrawOverlay()}else if(!auto){highlights[i].auto=false}}function unhighlight(s){if(s==null){highlights=[];plot.triggerRedrawOverlay()}var i=indexOfHighlight(s);if(i!=-1){highlights.splice(i,1);plot.triggerRedrawOverlay()}}function indexOfHighlight(s){for(var i=0;i<highlights.length;++i){var h=highlights[i];if(h.series==s)return i}return-1}function drawOverlay(plot,octx){var options=plot.getOptions();var radius=options.series.pie.radius>1?options.series.pie.radius:maxRadius*options.series.pie.radius;octx.save();octx.translate(centerLeft,centerTop);octx.scale(1,options.series.pie.tilt);for(var i=0;i<highlights.length;++i){drawHighlight(highlights[i].series)}drawDonutHole(octx);octx.restore();function drawHighlight(series){if(series.angle<=0||isNaN(series.angle)){return}octx.fillStyle="rgba(255, 255, 255, "+options.series.pie.highlight.opacity+")";octx.beginPath();if(Math.abs(series.angle-Math.PI*2)>1e-9){octx.moveTo(0,0)}octx.arc(0,0,radius,series.startAngle,series.startAngle+series.angle/2,false);octx.arc(0,0,radius,series.startAngle+series.angle/2,series.startAngle+series.angle,false);octx.closePath();octx.fill()}}}var options={series:{pie:{show:false,radius:"auto",innerRadius:0,startAngle:3/2,tilt:1,shadow:{left:5,top:15,alpha:.02},offset:{top:0,left:"auto"},stroke:{color:"#fff",width:1},label:{show:"auto",formatter:function(label,slice){return"<div style='font-size:x-small;text-align:center;padding:2px;color:"+slice.color+";'>"+label+"<br/>"+Math.round(slice.percent)+"%</div>"},radius:1,background:{color:null,opacity:0},threshold:0},combine:{threshold:-1,color:null,label:"Other"},highlight:{opacity:.5}}}};$.plot.plugins.push({init:init,options:options,name:"pie",version:"1.1"})})(jQuery);
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