13 lines
2.4 KiB
Plaintext
13 lines
2.4 KiB
Plaintext
// Peity jQuery plugin version 0.6.0
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// (c) 2011 Ben Pickles
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//
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// http://benpickles.github.com/peity/
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//
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// Released under MIT license.
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(function(i,k){function o(a,h){var b=k.createElement("canvas");b.setAttribute("width",a*m);b.setAttribute("height",h*m);m!=1&&b.setAttribute("style","width:"+a+"px;height:"+h+"px");return b}var g=i.fn.peity=function(a,h){k.createElement("canvas").getContext&&this.each(function(){i(this).change(function(){var b=i.extend({},h),d=this;i.each(b,function(a,c){i.isFunction(c)&&(b[a]=c.call(d))});var f=i(this).html();g.graphers[a].call(this,i.extend({},g.defaults[a],b));i(this).trigger("chart:changed",f)}).trigger("change")});
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return this};g.graphers={};g.defaults={};g.add=function(a,h,b){g.graphers[a]=b;g.defaults[a]=h};var m=window.devicePixelRatio||1;g.add("pie",{colours:["#FFF4DD","#FF9900"],delimeter:"/",diameter:16},function(a){var h=i(this),b=h.text().split(a.delimeter),d=parseFloat(b[0]),f=parseFloat(b[1]),b=-Math.PI/2,d=d/f*Math.PI*2,f=o(a.diameter,a.diameter),e=f.getContext("2d"),c=f.width/2;e.beginPath();e.moveTo(c,c);e.arc(c,c,c,d+b,d==0?Math.PI*2:b,!1);e.fillStyle=a.colours[0];e.fill();e.beginPath();e.moveTo(c,
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c);e.arc(c,c,c,b,d+b,!1);e.fillStyle=a.colours[1];e.fill();h.wrapInner(i("<span>").hide()).append(f)});g.add("line",{colour:"#c6d9fd",strokeColour:"#4d89f9",strokeWidth:1,delimeter:",",height:16,max:null,min:0,width:32},function(a){var h=i(this),b=o(a.width,a.height),d=h.text().split(a.delimeter);d.length==1&&d.push(d[0]);var f=Math.max.apply(Math,d.concat([a.max])),e=Math.min.apply(Math,d.concat([a.min])),c=b.getContext("2d"),g=b.width,l=b.height,q=g/(d.length-1),f=l/(f-e),n=[],j;c.beginPath();c.moveTo(0,
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l+e*f);for(j=0;j<d.length;j++){var k=j*q,p=l-f*(d[j]-e);n.push({x:k,y:p});c.lineTo(k,p)}c.lineTo(g,l+e*f);c.fillStyle=a.colour;c.fill();if(a.strokeWidth){c.beginPath();c.moveTo(0,n[0].y);for(j=0;j<n.length;j++)c.lineTo(n[j].x,n[j].y);c.lineWidth=a.strokeWidth*m;c.strokeStyle=a.strokeColour;c.stroke()}h.wrapInner(i("<span>").hide()).append(b)});g.add("bar",{colour:"#4D89F9",delimeter:",",height:16,max:null,min:0,width:32},function(a){var h=i(this),b=h.text().split(a.delimeter),d=Math.max.apply(Math,
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b.concat([a.max])),f=Math.min.apply(Math,b.concat([a.min])),e=o(a.width,a.height),c=e.getContext("2d"),g=e.height,d=g/(d-f),l=m/2,k=(e.width+l)/b.length;c.fillStyle=a.colour;for(a=0;a<b.length;a++)c.fillRect(a*k,g-d*(b[a]-f),k-l,d*b[a]);h.wrapInner(i("<span>").hide()).append(e)})})(jQuery,document);
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