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    define(['moment'], factory);
  } else if (typeof exports === 'object') {
    module.exports = factory.call(root,require('moment'));
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    root.Chart = factory.call(root,root.moment);
  }
}(this, function(moment) {
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n.hexString(this.values.rgb)},rgbString:function(){return n.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function(){return n.rgbaString(this.values.rgb,this.values.alpha)},percentString:function(){return n.percentString(this.values.rgb,this.values.alpha)},hslString:function(){return n.hslString(this.values.hsl,this.values.alpha)},hslaString:function(){return n.hslaString(this.values.hsl,this.values.alpha)},hwbString:function(){return n.hwbString(this.values.hwb,this.values.alpha)},keyword:function(){return n.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function(){return this.values.rgb[0]<<16|this.values.rgb[1]<<8|this.values.rgb[2]},luminosity:function(){for(var e=this.values.rgb,r=[],t=0;t<e.length;t++){var n=e[t]/255;r[t]=.03928>=n?n/12.92:Math.pow((n+.055)/1.055,2.4)}return.2126*r[0]+.7152*r[1]+.0722*r[2]},contrast:function(e){var r=this.luminosity(),t=e.luminosity();return r>t?(r+.05)/(t+.05):(t+.05)/(r+.05)},level:function(e){var r=this.contrast(e);return r>=7.1?"AAA":r>=4.5?"AA":""},dark:function(){var e=this.values.rgb,r=(299*e[0]+587*e[1]+114*e[2])/1e3;return 128>r},light:function(){return!this.dark()},negate:function(){for(var e=[],r=0;3>r;r++)e[r]=255-this.values.rgb[r];return this.setValues("rgb",e),this},lighten:function(e){return this.values.hsl[2]+=this.values.hsl[2]*e,this.setValues("hsl",this.values.hsl),this},darken:function(e){return this.values.hsl[2]-=this.values.hsl[2]*e,this.setValues("hsl",this.values.hsl),this},saturate:function(e){return this.values.hsl[1]+=this.values.hsl[1]*e,this.setValues("hsl",this.values.hsl),this},desaturate:function(e){return this.values.hsl[1]-=this.values.hsl[1]*e,this.setValues("hsl",this.values.hsl),this},whiten:function(e){return this.values.hwb[1]+=this.values.hwb[1]*e,this.setValues("hwb",this.values.hwb),this},blacken:function(e){return this.values.hwb[2]+=this.values.hwb[2]*e,this.setValues("hwb",this.values.hwb),this},greyscale:function(){var e=this.values.rgb,r=.3*e[0]+.59*e[1]+.11*e[2];return this.setValues("rgb",[r,r,r]),this},clearer:function(e){return this.setValues("alpha",this.values.alpha-this.values.alpha*e),this},opaquer:function(e){return this.setValues("alpha",this.values.alpha+this.values.alpha*e),this},rotate:function(e){var r=this.values.hsl[0];return r=(r+e)%360,r=0>r?360+r:r,this.values.hsl[0]=r,this.setValues("hsl",this.values.hsl),this},mix:function(e,r){r=1-(null==r?.5:r);for(var t=2*r-1,n=this.alpha()-e.alpha(),a=((t*n==-1?t:(t+n)/(1+t*n))+1)/2,s=1-a,i=this.rgbArray(),u=e.rgbArray(),l=0;l<i.length;l++)i[l]=i[l]*a+u[l]*s;this.setValues("rgb",i);var h=this.alpha()*r+e.alpha()*(1-r);return this.setValues("alpha",h),this},toJSON:function(){return this.rgb()},clone:function(){return new a(this.rgb())}},a.prototype.getValues=function(e){for(var r={},t=0;t<e.length;t++)r[e.charAt(t)]=this.values[e][t];return 1!=this.values.alpha&&(r.a=this.values.alpha),r},a.prototype.setValues=function(e,r){var n={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]},a={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]},s=1;if("alpha"==e)s=r;else if(r.length)this.values[e]=r.slice(0,e.length),s=r[e.length];else if(void 0!==r[e.charAt(0)]){for(var i=0;i<e.length;i++)this.values[e][i]=r[e.charAt(i)];s=r.a}else if(void 0!==r[n[e][0]]){for(var u=n[e],i=0;i<e.length;i++)this.values[e][i]=r[u[i]];s=r.alpha}if(this.values.alpha=Math.max(0,Math.min(1,void 0!==s?s:this.values.alpha)),"alpha"!=e){for(var i=0;i<e.length;i++){var l=Math.max(0,Math.min(a[e][i],this.values[e][i]));this.values[e][i]=Math.round(l)}for(var h in n){h!=e&&(this.values[h]=t[e][h](this.values[e]));for(var i=0;i<h.length;i++){var l=Math.max(0,Math.min(a[h][i],this.values[h][i]));this.values[h][i]=Math.round(l)}}return!0}},a.prototype.setSpace=function(e,r){var 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s(_(e))}function B(e){return i(_(e))}function G(e){return u(_(e))}function K(e){return o(_(e))}function Q(e){return h(_(e))}t.exports={rgb2hsl:a,rgb2hsv:s,rgb2hwb:i,rgb2cmyk:u,rgb2keyword:l,rgb2xyz:h,rgb2lab:o,rgb2lch:c,hsl2rgb:v,hsl2hsv:f,hsl2hwb:d,hsl2cmyk:p,hsl2keyword:m,hsv2rgb:y,hsv2hsl:w,hsv2hwb:k,hsv2cmyk:M,hsv2keyword:S,hwb2rgb:x,hwb2hsl:V,hwb2hsv:q,hwb2cmyk:A,hwb2keyword:C,cmyk2rgb:F,cmyk2hsl:N,cmyk2hsv:z,cmyk2hwb:I,cmyk2keyword:O,keyword2rgb:_,keyword2hsl:L,keyword2hsv:T,keyword2hwb:B,keyword2cmyk:G,keyword2lab:K,keyword2xyz:Q,xyz2rgb:E,xyz2lab:H,xyz2lch:U,lab2xyz:j,lab2rgb:R,lab2lch:J,lch2lab:$,lch2xyz:D,lch2rgb:P};var W={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]},X={};for(var Y in W)X[JSON.stringify(W[Y])]=Y},{}],3:[function(e,r,t){var n=e("./conversions"),a=function(){return new h};for(var s in n){a[s+"Raw"]=function(e){return function(r){return"number"==typeof r&&(r=Array.prototype.slice.call(arguments)),n[e](r)}}(s);var i=/(\w+)2(\w+)/.exec(s),u=i[1],l=i[2];a[u]=a[u]||{},a[u][l]=a[s]=function(e){return function(r){"number"==typeof r&&(r=Array.prototype.slice.call(arguments));var t=n[e](r);if("string"==typeof t||void 0===t)return t;for(var a=0;a<t.length;a++)t[a]=Math.round(t[a]);return t}}(s)}var h=function(){this.convs={}};h.prototype.routeSpace=function(e,r){var t=r[0];return void 0===t?this.getValues(e):("number"==typeof t&&(t=Array.prototype.slice.call(r)),this.setValues(e,t))},h.prototype.setValues=function(e,r){return this.space=e,this.convs={},this.convs[e]=r,this},h.prototype.getValues=function(e){var r=this.convs[e];if(!r){var t=this.space,n=this.convs[t];r=a[t][e](n),this.convs[e]=r}return r},["rgb","hsl","hsv","cmyk","keyword"].forEach(function(e){h.prototype[e]=function(r){return this.routeSpace(e,arguments)}}),r.exports=a},{"./conversions":2}],4:[function(e,r,t){function n(e){if(e){var r=/^#([a-fA-F0-9]{3})$/,t=/^#([a-fA-F0-9]{6})$/,n=/^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/,a=/^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/,s=/(\w+)/,i=[0,0,0],u=1,l=e.match(r);if(l){l=l[1];for(var h=0;h<i.length;h++)i[h]=parseInt(l[h]+l[h],16)}else if(l=e.match(t)){l=l[1];for(var h=0;h<i.length;h++)i[h]=parseInt(l.slice(2*h,2*h+2),16)}else if(l=e.match(n)){for(var h=0;h<i.length;h++)i[h]=parseInt(l[h+1]);u=parseFloat(l[4])}else if(l=e.match(a)){for(var h=0;h<i.length;h++)i[h]=Math.round(2.55*parseFloat(l[h+1]));u=parseFloat(l[4])}else if(l=e.match(s)){if("transparent"==l[1])return[0,0,0,0];if(i=w[l[1]],!i)return}for(var h=0;h<i.length;h++)i[h]=m(i[h],0,255);return u=u||0==u?m(u,0,1):1,i[3]=u,i}}function a(e){if(e){var r=/^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/,t=e.match(r);if(t){var n=parseFloat(t[4]),a=m(parseInt(t[1]),0,360),s=m(parseFloat(t[2]),0,100),i=m(parseFloat(t[3]),0,100),u=m(isNaN(n)?1:n,0,1);return[a,s,i,u]}}}function s(e){if(e){var r=/^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/,t=e.match(r);if(t){var n=parseFloat(t[4]),a=m(parseInt(t[1]),0,360),s=m(parseFloat(t[2]),0,100),i=m(parseFloat(t[3]),0,100),u=m(isNaN(n)?1:n,0,1);return[a,s,i,u]}}}function i(e){var r=n(e);return r&&r.slice(0,3)}function u(e){var r=a(e);return r&&r.slice(0,3)}function l(e){var r=n(e);return r?r[3]:(r=a(e))?r[3]:(r=s(e))?r[3]:void 0}function h(e){return"#"+y(e[0])+y(e[1])+y(e[2])}function o(e,r){return 1>r||e[3]&&e[3]<1?c(e,r):"rgb("+e[0]+", "+e[1]+", "+e[2]+")"}function c(e,r){return void 0===r&&(r=void 0!==e[3]?e[3]:1),"rgba("+e[0]+", "+e[1]+", "+e[2]+", "+r+")"}function g(e,r){if(1>r||e[3]&&e[3]<1)return v(e,r);var t=Math.round(e[0]/255*100),n=Math.round(e[1]/255*100),a=Math.round(e[2]/255*100);return"rgb("+t+"%, "+n+"%, "+a+"%)"}function v(e,r){var t=Math.round(e[0]/255*100),n=Math.round(e[1]/255*100),a=Math.round(e[2]/255*100);return"rgba("+t+"%, "+n+"%, "+a+"%, "+(r||e[3]||1)+")"}function f(e,r){return 1>r||e[3]&&e[3]<1?d(e,r):"hsl("+e[0]+", "+e[1]+"%, "+e[2]+"%)"}function d(e,r){return void 0===r&&(r=void 0!==e[3]?e[3]:1),"hsla("+e[0]+", "+e[1]+"%, "+e[2]+"%, "+r+")"}function b(e,r){return void 0===r&&(r=void 0!==e[3]?e[3]:1),"hwb("+e[0]+", "+e[1]+"%, "+e[2]+"%"+(void 0!==r&&1!==r?", "+r:"")+")"}function p(e){return k[e.slice(0,3)]}function m(e,r,t){return Math.min(Math.max(r,e),t)}function y(e){var r=e.toString(16).toUpperCase();return r.length<2?"0"+r:r}var w=e("color-name");r.exports={getRgba:n,getHsla:a,getRgb:i,getHsl:u,getHwb:s,getAlpha:l,hexString:h,rgbString:o,rgbaString:c,percentString:g,percentaString:v,hslString:f,hslaString:d,hwbString:b,keyword:p};var k={};for(var M in w)k[w[M]]=M},{"color-name":5}],5:[function(e,r,t){r.exports={aliceblue:[240,248,255],antiquewhite:[250,235,215],aqua:[0,255,255],aquamarine:[127,255,212],azure:[240,255,255],beige:[245,245,220],bisque:[255,228,196],black:[0,0,0],blanchedalmond:[255,235,205],blue:[0,0,255],blueviolet:[138,43,226],brown:[165,42,42],burlywood:[222,184,135],cadetblue:[95,158,160],chartreuse:[127,255,0],chocolate:[210,105,30],coral:[255,127,80],cornflowerblue:[100,149,237],cornsilk:[255,248,220],crimson:[220,20,60],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgoldenrod:[184,134,11],darkgray:[169,169,169],darkgreen:[0,100,0],darkgrey:[169,169,169],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkseagreen:[143,188,143],darkslateblue:[72,61,139],darkslategray:[47,79,79],darkslategrey:[47,79,79],darkturquoise:[0,206,209],darkviolet:[148,0,211],deeppink:[255,20,147],deepskyblue:[0,191,255],dimgray:[105,105,105],dimgrey:[105,105,105],dodgerblue:[30,144,255],firebrick:[178,34,34],floralwhite:[255,250,240],forestgreen:[34,139,34],fuchsia:[255,0,255],gainsboro:[220,220,220],ghostwhite:[248,248,255],gold:[255,215,0],goldenrod:[218,165,32],gray:[128,128,128],green:[0,128,0],greenyellow:[173,255,47],grey:[128,128,128],honeydew:[240,255,240],hotpink:[255,105,180],indianred:[205,92,92],indigo:[75,0,130],ivory:[255,255,240],khaki:[240,230,140],lavender:[230,230,250],lavenderblush:[255,240,245],lawngreen:[124,252,0],lemonchiffon:[255,250,205],lightblue:[173,216,230],lightcoral:[240,128,128],lightcyan:[224,255,255],lightgoldenrodyellow:[250,250,210],lightgray:[211,211,211],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightsalmon:[255,160,122],lightseagreen:[32,178,170],lightskyblue:[135,206,250],lightslategray:[119,136,153],lightslategrey:[119,136,153],lightsteelblue:[176,196,222],lightyellow:[255,255,224],lime:[0,255,0],limegreen:[50,205,50],linen:[250,240,230],magenta:[255,0,255],maroon:[128,0,0],mediumaquamarine:[102,205,170],mediumblue:[0,0,205],mediumorchid:[186,85,211],mediumpurple:[147,112,219],mediumseagreen:[60,179,113],mediumslateblue:[123,104,238],mediumspringgreen:[0,250,154],mediumturquoise:[72,209,204],mediumvioletred:[199,21,133],midnightblue:[25,25,112],mintcream:[245,255,250],mistyrose:[255,228,225],moccasin:[255,228,181],navajowhite:[255,222,173],navy:[0,0,128],oldlace:[253,245,230],olive:[128,128,0],olivedrab:[107,142,35],orange:[255,165,0],orangered:[255,69,0],orchid:[218,112,214],palegoldenrod:[238,232,170],palegreen:[152,251,152],paleturquoise:[175,238,238],palevioletred:[219,112,147],papayawhip:[255,239,213],peachpuff:[255,218,185],peru:[205,133,63],pink:[255,192,203],plum:[221,160,221],powderblue:[176,224,230],purple:[128,0,128],rebeccapurple:[102,51,153],red:[255,0,0],rosybrown:[188,143,143],royalblue:[65,105,225],saddlebrown:[139,69,19],salmon:[250,128,114],sandybrown:[244,164,96],seagreen:[46,139,87],seashell:[255,245,238],sienna:[160,82,45],silver:[192,192,192],skyblue:[135,206,235],slateblue:[106,90,205],slategray:[112,128,144],slategrey:[112,128,144],snow:[255,250,250],springgreen:[0,255,127],steelblue:[70,130,180],tan:[210,180,140],teal:[0,128,128],thistle:[216,191,216],tomato:[255,99,71],turquoise:[64,224,208],violet:[238,130,238],wheat:[245,222,179],white:[255,255,255],whitesmoke:[245,245,245],yellow:[255,255,0],yellowgreen:[154,205,50]}},{}]},{},[1]);
/*!
 * Chart.js
 * http://chartjs.org/
 * Version: 2.0.0-beta2
 *
 * Copyright 2015 Nick Downie
 * Released under the MIT license
 * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
 */


(function() {

	"use strict";

	//Declare root variable - window in the browser, global on the server
	var root = this,
		previous = root.Chart;

	//Occupy the global variable of Chart, and create a simple base class
	var Chart = function(context, config) {
		this.config = config;

		// Support a jQuery'd canvas element
		if (context.length && context[0].getContext) {
			context = context[0];
		}

		// Support a canvas domnode
		if (context.getContext) {
			context = context.getContext("2d");
		}

		this.ctx = context;
		this.canvas = context.canvas;

		// Figure out what the size of the chart will be.
		// If the canvas has a specified width and height, we use those else
		// we look to see if the canvas node has a CSS width and height. 
		// If there is still no height, fill the parent container
		this.width = context.canvas.width || parseInt(Chart.helpers.getStyle(context.canvas, 'width')) || Chart.helpers.getMaximumWidth(context.canvas);
		this.height = context.canvas.height || parseInt(Chart.helpers.getStyle(context.canvas, 'height')) || Chart.helpers.getMaximumHeight(context.canvas);

		this.aspectRatio = this.width / this.height;

		if (isNaN(this.aspectRatio) || isFinite(this.aspectRatio) === false) {
			// If the canvas has no size, try and figure out what the aspect ratio will be.
			// Some charts prefer square canvases (pie, radar, etc). If that is specified, use that
			// else use the canvas default ratio of 2
			this.aspectRatio = config.aspectRatio !== undefined ? config.aspectRatio : 2;
		}

		// Store the original style of the element so we can set it back
		this.originalCanvasStyleWidth = context.canvas.style.width;
		this.originalCanvasStyleHeight = context.canvas.style.height;

		// High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale.
		Chart.helpers.retinaScale(this);

		if (config) {
			this.controller = new Chart.Controller(this);
		}

		// Always bind this so that if the responsive state changes we still work
		var _this = this;
		Chart.helpers.addResizeListener(context.canvas.parentNode, function() {
			if (_this.controller && _this.controller.config.options.responsive) {
				_this.controller.resize();
			}
		});

		return this.controller ? this.controller : this;

	};

	//Globally expose the defaults to allow for user updating/changing
	Chart.defaults = {
		global: {
			responsive: true,
			responsiveAnimationDuration: 0,
			maintainAspectRatio: true,
			events: ["mousemove", "mouseout", "click", "touchstart", "touchmove"],
			hover: {
				onHover: null,
				mode: 'single',
				animationDuration: 400,
			},
			onClick: null,
			defaultColor: 'rgba(0,0,0,0.1)',

			// Element defaults defined in element extensions
			elements: {},

			// Legend callback string
			legendCallback: function(chart) {
				var text = [];
				text.push('<ul class="' + chart.id + '-legend">');
				for (var i = 0; i < chart.data.datasets.length; i++) {
					text.push('<li><span style="background-color:' + chart.data.datasets[i].backgroundColor + '">');
					if (chart.data.datasets[i].label) {
						text.push(chart.data.datasets[i].label);
					}
					text.push('</span></li>');
				}
				text.push('</ul>');

				return text.join("");
			}
		},
	};

	root.Chart = Chart;

	Chart.noConflict = function() {
		root.Chart = previous;
		return Chart;
	};

}).call(this);

(function() {

	"use strict";

	//Declare root variable - window in the browser, global on the server
	var root = this,
		Chart = root.Chart;

	//Global Chart helpers object for utility methods and classes
	var helpers = Chart.helpers = {};

	//-- Basic js utility methods
	var each = helpers.each = function(loopable, callback, self, reverse) {
			var additionalArgs = Array.prototype.slice.call(arguments, 3);
			// Check to see if null or undefined firstly.
			if (loopable) {
				if (loopable.length === +loopable.length) {
					var i;
					if (reverse) {
						for (i = loopable.length - 1; i >= 0; i--) {
							callback.apply(self, [loopable[i], i].concat(additionalArgs));
						}
					} else {
						for (i = 0; i < loopable.length; i++) {
							callback.apply(self, [loopable[i], i].concat(additionalArgs));
						}
					}
				} else {
					for (var item in loopable) {
						callback.apply(self, [loopable[item], item].concat(additionalArgs));
					}
				}
			}
		},
		clone = helpers.clone = function(obj) {
			var objClone = {};
			each(obj, function(value, key) {
				if (obj.hasOwnProperty(key)) {
					if (helpers.isArray(value)) {
						objClone[key] = value.slice(0);
					} else if (typeof value === 'object' && value !== null) {
						objClone[key] = clone(value);
					} else {
						objClone[key] = value;
					}
				}
			});
			return objClone;
		},
		extend = helpers.extend = function(base) {
			each(Array.prototype.slice.call(arguments, 1), function(extensionObject) {
				each(extensionObject, function(value, key) {
					if (extensionObject.hasOwnProperty(key)) {
						base[key] = value;
					}
				});
			});
			return base;
		},
		// Need a special merge function to chart configs since they are now grouped
		configMerge = helpers.configMerge = function(_base) {
			var base = clone(_base);
			helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) {
				helpers.each(extension, function(value, key) {
					if (extension.hasOwnProperty(key)) {
						if (key === 'scales') {
							// Scale config merging is complex. Add out own function here for that
							base[key] = helpers.scaleMerge(base.hasOwnProperty(key) ? base[key] : {}, value);

						} else if (key === 'scale') {
							// Used in polar area & radar charts since there is only one scale
							base[key] = helpers.configMerge(base.hasOwnProperty(key) ? base[key] : {}, Chart.scaleService.getScaleDefaults(value.type), value);
						} else if (base.hasOwnProperty(key) && helpers.isArray(base[key]) && helpers.isArray(value)) {
							// In this case we have an array of objects replacing another array. Rather than doing a strict replace,
							// merge. This allows easy scale option merging
							var baseArray = base[key];

							helpers.each(value, function(valueObj, index) {

								if (index < baseArray.length) {
									if (typeof baseArray[index] == 'object' && baseArray[index] !== null && typeof valueObj == 'object' && valueObj !== null) {
										// Two objects are coming together. Do a merge of them.
										baseArray[index] = helpers.configMerge(baseArray[index], valueObj);
									} else {
										// Just overwrite in this case since there is nothing to merge
										baseArray[index] = valueObj;
									}
								} else {
									baseArray.push(valueObj); // nothing to merge
								}
							});

						} else if (base.hasOwnProperty(key) && typeof base[key] == "object" && base[key] !== null && typeof value == "object") {
							// If we are overwriting an object with an object, do a merge of the properties.
							base[key] = helpers.configMerge(base[key], value);

						} else {
							// can just overwrite the value in this case
							base[key] = value;
						}
					}
				});
			});

			return base;
		},
		extendDeep = helpers.extendDeep = function(_base) {
			return _extendDeep.apply(this, arguments);

			function _extendDeep(dst) {
				helpers.each(arguments, function(obj) {
					if (obj !== dst) {
						helpers.each(obj, function(value, key) {
							if (dst[key] && dst[key].constructor && dst[key].constructor === Object) {
								_extendDeep(dst[key], value);
							} else {
								dst[key] = value;
							}
						});
					}
				});
				return dst;
			}
		},
		scaleMerge = helpers.scaleMerge = function(_base, extension) {
			var base = clone(_base);

			helpers.each(extension, function(value, key) {
				if (extension.hasOwnProperty(key)) {
					if (key === 'xAxes' || key === 'yAxes') {
						// These properties are arrays of items
						if (base.hasOwnProperty(key)) {
							helpers.each(value, function(valueObj, index) {
								if (index >= base[key].length || !base[key][index].type) {
									base[key].push(helpers.configMerge(valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj));
								} else if (valueObj.type !== base[key][index].type) {
									// Type changed. Bring in the new defaults before we bring in valueObj so that valueObj can override the correct scale defaults
									base[key][index] = helpers.configMerge(base[key][index], valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj);
								} else {
									// Type is the same
									base[key][index] = helpers.configMerge(base[key][index], valueObj);
								}
							});
						} else {
							base[key] = [];
							helpers.each(value, function(valueObj) {
								base[key].push(helpers.configMerge(valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj));
							});
						}
					} else if (base.hasOwnProperty(key) && typeof base[key] == "object" && base[key] !== null && typeof value == "object") {
						// If we are overwriting an object with an object, do a merge of the properties.
						base[key] = helpers.configMerge(base[key], value);

					} else {
						// can just overwrite the value in this case
						base[key] = value;
					}
				}
			});

			return base;
		},
		getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault = function(value, index, defaultValue) {
			if (value === undefined || value === null) {
				return defaultValue;
			}

			if (helpers.isArray(value)) {
				return index < value.length ? value[index] : defaultValue;
			}

			return value;
		},
		getValueOrDefault = helpers.getValueOrDefault = function(value, defaultValue) {
			return value === undefined ? defaultValue : value;
		},
		indexOf = helpers.indexOf = function(arrayToSearch, item) {
			if (Array.prototype.indexOf) {
				return arrayToSearch.indexOf(item);
			} else {
				for (var i = 0; i < arrayToSearch.length; i++) {
					if (arrayToSearch[i] === item) return i;
				}
				return -1;
			}
		},
		where = helpers.where = function(collection, filterCallback) {
			var filtered = [];

			helpers.each(collection, function(item) {
				if (filterCallback(item)) {
					filtered.push(item);
				}
			});

			return filtered;
		},
		findNextWhere = helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
			// Default to start of the array
			if (startIndex === undefined || startIndex === null) {
				startIndex = -1;
			}
			for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
				var currentItem = arrayToSearch[i];
				if (filterCallback(currentItem)) {
					return currentItem;
				}
			}
		},
		findPreviousWhere = helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
			// Default to end of the array
			if (startIndex === undefined || startIndex === null) {
				startIndex = arrayToSearch.length;
			}
			for (var i = startIndex - 1; i >= 0; i--) {
				var currentItem = arrayToSearch[i];
				if (filterCallback(currentItem)) {
					return currentItem;
				}
			}
		},
		inherits = helpers.inherits = function(extensions) {
			//Basic javascript inheritance based on the model created in Backbone.js
			var parent = this;
			var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function() {
				return parent.apply(this, arguments);
			};

			var Surrogate = function() {
				this.constructor = ChartElement;
			};
			Surrogate.prototype = parent.prototype;
			ChartElement.prototype = new Surrogate();

			ChartElement.extend = inherits;

			if (extensions) extend(ChartElement.prototype, extensions);

			ChartElement.__super__ = parent.prototype;

			return ChartElement;
		},
		noop = helpers.noop = function() {},
		uid = helpers.uid = (function() {
			var id = 0;
			return function() {
				return "chart-" + id++;
			};
		})(),
		warn = helpers.warn = function(str) {
			//Method for warning of errors
			if (console && typeof console.warn === "function") {
				console.warn(str);
			}
		},
		//-- Math methods
		isNumber = helpers.isNumber = function(n) {
			return !isNaN(parseFloat(n)) && isFinite(n);
		},
		max = helpers.max = function(array) {
			return Math.max.apply(Math, array);
		},
		min = helpers.min = function(array) {
			return Math.min.apply(Math, array);
		},
		sign = helpers.sign = function(x) {
			if (Math.sign) {
				return Math.sign(x);
			} else {
				x = +x; // convert to a number
				if (x === 0 || isNaN(x)) {
					return x;
				}
				return x > 0 ? 1 : -1;
			}
		},
		log10 = helpers.log10 = function(x) {
			if (Math.log10) {
				return Math.log10(x);
			} else {
				return Math.log(x) / Math.LN10;
			}
		},
		getDecimalPlaces = helpers.getDecimalPlaces = function(num) {
			if (num % 1 !== 0 && isNumber(num)) {
				var s = num.toString();
				if (s.indexOf("e-") < 0) {
					// no exponent, e.g. 0.01
					return s.split(".")[1].length;
				} else if (s.indexOf(".") < 0) {
					// no decimal point, e.g. 1e-9
					return parseInt(s.split("e-")[1]);
				} else {
					// exponent and decimal point, e.g. 1.23e-9
					var parts = s.split(".")[1].split("e-");
					return parts[0].length + parseInt(parts[1]);
				}
			} else {
				return 0;
			}
		},
		toRadians = helpers.toRadians = function(degrees) {
			return degrees * (Math.PI / 180);
		},
		toDegrees = helpers.toDegrees = function(radians) {
			return radians * (180 / Math.PI);
		},
		// Gets the angle from vertical upright to the point about a centre.
		getAngleFromPoint = helpers.getAngleFromPoint = function(centrePoint, anglePoint) {
			var distanceFromXCenter = anglePoint.x - centrePoint.x,
				distanceFromYCenter = anglePoint.y - centrePoint.y,
				radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);

			var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);

			if (angle < (-0.5 * Math.PI)) {
				angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
			}

			return {
				angle: angle,
				distance: radialDistanceFromCenter
			};
		},
		aliasPixel = helpers.aliasPixel = function(pixelWidth) {
			return (pixelWidth % 2 === 0) ? 0 : 0.5;
		},
		splineCurve = helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {
			//Props to Rob Spencer at scaled innovation for his post on splining between points
			//http://scaledinnovation.com/analytics/splines/aboutSplines.html

			// This function must also respect "skipped" points

			var previous = firstPoint.skip ? middlePoint : firstPoint,
				current = middlePoint,
				next = afterPoint.skip ? middlePoint : afterPoint;

			var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));
			var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));

			var s01 = d01 / (d01 + d12);
			var s12 = d12 / (d01 + d12);

			// If all points are the same, s01 & s02 will be inf
			s01 = isNaN(s01) ? 0 : s01;
			s12 = isNaN(s12) ? 0 : s12;

			var fa = t * s01; // scaling factor for triangle Ta
			var fb = t * s12;

			return {
				previous: {
					x: current.x - fa * (next.x - previous.x),
					y: current.y - fa * (next.y - previous.y)
				},
				next: {
					x: current.x + fb * (next.x - previous.x),
					y: current.y + fb * (next.y - previous.y)
				}
			};
		},
		nextItem = helpers.nextItem = function(collection, index, loop) {
			if (loop) {
				return index >= collection.length - 1 ? collection[0] : collection[index + 1];
			}

			return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
		},
		previousItem = helpers.previousItem = function(collection, index, loop) {
			if (loop) {
				return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
			}
			return index <= 0 ? collection[0] : collection[index - 1];
		},
		// Implementation of the nice number algorithm used in determining where axis labels will go
		niceNum = helpers.niceNum = function(range, round) {
			var exponent = Math.floor(helpers.log10(range));
			var fraction = range / Math.pow(10, exponent);
			var niceFraction;

			if (round) {
				if (fraction < 1.5) {
					niceFraction = 1;
				} else if (fraction < 3) {
					niceFraction = 2;
				} else if (fraction < 7) {
					niceFraction = 5;
				} else {
					niceFraction = 10;
				}
			} else {
				if (fraction <= 1.0) {
					niceFraction = 1;
				} else if (fraction <= 2) {
					niceFraction = 2;
				} else if (fraction <= 5) {
					niceFraction = 5;
				} else {
					niceFraction = 10;
				}
			}

			return niceFraction * Math.pow(10, exponent);
		},
		//Easing functions adapted from Robert Penner's easing equations
		//http://www.robertpenner.com/easing/
		easingEffects = helpers.easingEffects = {
			linear: function(t) {
				return t;
			},
			easeInQuad: function(t) {
				return t * t;
			},
			easeOutQuad: function(t) {
				return -1 * t * (t - 2);
			},
			easeInOutQuad: function(t) {
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * t * t;
				}
				return -1 / 2 * ((--t) * (t - 2) - 1);
			},
			easeInCubic: function(t) {
				return t * t * t;
			},
			easeOutCubic: function(t) {
				return 1 * ((t = t / 1 - 1) * t * t + 1);
			},
			easeInOutCubic: function(t) {
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * t * t * t;
				}
				return 1 / 2 * ((t -= 2) * t * t + 2);
			},
			easeInQuart: function(t) {
				return t * t * t * t;
			},
			easeOutQuart: function(t) {
				return -1 * ((t = t / 1 - 1) * t * t * t - 1);
			},
			easeInOutQuart: function(t) {
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * t * t * t * t;
				}
				return -1 / 2 * ((t -= 2) * t * t * t - 2);
			},
			easeInQuint: function(t) {
				return 1 * (t /= 1) * t * t * t * t;
			},
			easeOutQuint: function(t) {
				return 1 * ((t = t / 1 - 1) * t * t * t * t + 1);
			},
			easeInOutQuint: function(t) {
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * t * t * t * t * t;
				}
				return 1 / 2 * ((t -= 2) * t * t * t * t + 2);
			},
			easeInSine: function(t) {
				return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1;
			},
			easeOutSine: function(t) {
				return 1 * Math.sin(t / 1 * (Math.PI / 2));
			},
			easeInOutSine: function(t) {
				return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1);
			},
			easeInExpo: function(t) {
				return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1));
			},
			easeOutExpo: function(t) {
				return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1);
			},
			easeInOutExpo: function(t) {
				if (t === 0) {
					return 0;
				}
				if (t === 1) {
					return 1;
				}
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * Math.pow(2, 10 * (t - 1));
				}
				return 1 / 2 * (-Math.pow(2, -10 * --t) + 2);
			},
			easeInCirc: function(t) {
				if (t >= 1) {
					return t;
				}
				return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1);
			},
			easeOutCirc: function(t) {
				return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t);
			},
			easeInOutCirc: function(t) {
				if ((t /= 1 / 2) < 1) {
					return -1 / 2 * (Math.sqrt(1 - t * t) - 1);
				}
				return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1);
			},
			easeInElastic: function(t) {
				var s = 1.70158;
				var p = 0;
				var a = 1;
				if (t === 0) {
					return 0;
				}
				if ((t /= 1) == 1) {
					return 1;
				}
				if (!p) {
					p = 1 * 0.3;
				}
				if (a < Math.abs(1)) {
					a = 1;
					s = p / 4;
				} else {
					s = p / (2 * Math.PI) * Math.asin(1 / a);
				}
				return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
			},
			easeOutElastic: function(t) {
				var s = 1.70158;
				var p = 0;
				var a = 1;
				if (t === 0) {
					return 0;
				}
				if ((t /= 1) == 1) {
					return 1;
				}
				if (!p) {
					p = 1 * 0.3;
				}
				if (a < Math.abs(1)) {
					a = 1;
					s = p / 4;
				} else {
					s = p / (2 * Math.PI) * Math.asin(1 / a);
				}
				return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1;
			},
			easeInOutElastic: function(t) {
				var s = 1.70158;
				var p = 0;
				var a = 1;
				if (t === 0) {
					return 0;
				}
				if ((t /= 1 / 2) == 2) {
					return 1;
				}
				if (!p) {
					p = 1 * (0.3 * 1.5);
				}
				if (a < Math.abs(1)) {
					a = 1;
					s = p / 4;
				} else {
					s = p / (2 * Math.PI) * Math.asin(1 / a);
				}
				if (t < 1) {
					return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
				}
				return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1;
			},
			easeInBack: function(t) {
				var s = 1.70158;
				return 1 * (t /= 1) * t * ((s + 1) * t - s);
			},
			easeOutBack: function(t) {
				var s = 1.70158;
				return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1);
			},
			easeInOutBack: function(t) {
				var s = 1.70158;
				if ((t /= 1 / 2) < 1) {
					return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s));
				}
				return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
			},
			easeInBounce: function(t) {
				return 1 - easingEffects.easeOutBounce(1 - t);
			},
			easeOutBounce: function(t) {
				if ((t /= 1) < (1 / 2.75)) {
					return 1 * (7.5625 * t * t);
				} else if (t < (2 / 2.75)) {
					return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75);
				} else if (t < (2.5 / 2.75)) {
					return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375);
				} else {
					return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375);
				}
			},
			easeInOutBounce: function(t) {
				if (t < 1 / 2) {
					return easingEffects.easeInBounce(t * 2) * 0.5;
				}
				return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5;
			}
		},
		//Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
		requestAnimFrame = helpers.requestAnimFrame = (function() {
			return window.requestAnimationFrame ||
				window.webkitRequestAnimationFrame ||
				window.mozRequestAnimationFrame ||
				window.oRequestAnimationFrame ||
				window.msRequestAnimationFrame ||
				function(callback) {
					return window.setTimeout(callback, 1000 / 60);
				};
		})(),
		cancelAnimFrame = helpers.cancelAnimFrame = (function() {
			return window.cancelAnimationFrame ||
				window.webkitCancelAnimationFrame ||
				window.mozCancelAnimationFrame ||
				window.oCancelAnimationFrame ||
				window.msCancelAnimationFrame ||
				function(callback) {
					return window.clearTimeout(callback, 1000 / 60);
				};
		})(),
		//-- DOM methods
		getRelativePosition = helpers.getRelativePosition = function(evt, chart) {
			var mouseX, mouseY;
			var e = evt.originalEvent || evt,
				canvas = evt.currentTarget || evt.srcElement,
				boundingRect = canvas.getBoundingClientRect();

			if (e.touches && e.touches.length > 0) {
				mouseX = e.touches[0].clientX;
				mouseY = e.touches[0].clientY;

			} else {
				mouseX = e.clientX;
				mouseY = e.clientY;
			}

			// Scale mouse coordinates into canvas coordinates
			// by following the pattern laid out by 'jerryj' in the comments of
			// http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/

			// We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However
			// the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here
			mouseX = Math.round((mouseX - boundingRect.left) / (boundingRect.right - boundingRect.left) * canvas.width / chart.currentDevicePixelRatio);
			mouseY = Math.round((mouseY - boundingRect.top) / (boundingRect.bottom - boundingRect.top) * canvas.height / chart.currentDevicePixelRatio);

			return {
				x: mouseX,
				y: mouseY
			};

		},
		addEvent = helpers.addEvent = function(node, eventType, method) {
			if (node.addEventListener) {
				node.addEventListener(eventType, method);
			} else if (node.attachEvent) {
				node.attachEvent("on" + eventType, method);
			} else {
				node["on" + eventType] = method;
			}
		},
		removeEvent = helpers.removeEvent = function(node, eventType, handler) {
			if (node.removeEventListener) {
				node.removeEventListener(eventType, handler, false);
			} else if (node.detachEvent) {
				node.detachEvent("on" + eventType, handler);
			} else {
				node["on" + eventType] = noop;
			}
		},
		bindEvents = helpers.bindEvents = function(chartInstance, arrayOfEvents, handler) {
			// Create the events object if it's not already present
			if (!chartInstance.events) chartInstance.events = {};

			each(arrayOfEvents, function(eventName) {
				chartInstance.events[eventName] = function() {
					handler.apply(chartInstance, arguments);
				};
				addEvent(chartInstance.chart.canvas, eventName, chartInstance.events[eventName]);
			});
		},
		unbindEvents = helpers.unbindEvents = function(chartInstance, arrayOfEvents) {
			each(arrayOfEvents, function(handler, eventName) {
				removeEvent(chartInstance.chart.canvas, eventName, handler);
			});
		},
		getConstraintWidth = helpers.getConstraintWidth = function(domNode) { // returns Number or undefined if no constraint
			var constrainedWidth;
			var constrainedWNode = document.defaultView.getComputedStyle(domNode)['max-width'];
			var constrainedWContainer = document.defaultView.getComputedStyle(domNode.parentNode)['max-width'];
			var hasCWNode = constrainedWNode !== null && constrainedWNode !== "none";
			var hasCWContainer = constrainedWContainer !== null && constrainedWContainer !== "none";

			if (hasCWNode || hasCWContainer) {
				constrainedWidth = Math.min((hasCWNode ? parseInt(constrainedWNode, 10) : Number.POSITIVE_INFINITY), (hasCWContainer ? parseInt(constrainedWContainer, 10) : Number.POSITIVE_INFINITY));
			}
			return constrainedWidth;
		},
		getConstraintHeight = helpers.getConstraintHeight = function(domNode) { // returns Number or undefined if no constraint

			var constrainedHeight;
			var constrainedHNode = document.defaultView.getComputedStyle(domNode)['max-height'];
			var constrainedHContainer = document.defaultView.getComputedStyle(domNode.parentNode)['max-height'];
			var hasCHNode = constrainedHNode !== null && constrainedHNode !== "none";
			var hasCHContainer = constrainedHContainer !== null && constrainedHContainer !== "none";

			if (constrainedHNode || constrainedHContainer) {
				constrainedHeight = Math.min((hasCHNode ? parseInt(constrainedHNode, 10) : Number.POSITIVE_INFINITY), (hasCHContainer ? parseInt(constrainedHContainer, 10) : Number.POSITIVE_INFINITY));
			}
			return constrainedHeight;
		},
		getMaximumWidth = helpers.getMaximumWidth = function(domNode) {
			var container = domNode.parentNode;
			var padding = parseInt(getStyle(container, 'padding-left')) + parseInt(getStyle(container, 'padding-right'));

			var w = container.clientWidth - padding;
			var cw = getConstraintWidth(domNode);
			if (cw !== undefined) {
				w = Math.min(w, cw);
			}

			return w;
		},
		getMaximumHeight = helpers.getMaximumHeight = function(domNode) {
			var container = domNode.parentNode;
			var padding = parseInt(getStyle(container, 'padding-top')) + parseInt(getStyle(container, 'padding-bottom'));

			var h = container.clientHeight - padding;
			var ch = getConstraintHeight(domNode);
			if (ch !== undefined) {
				h = Math.min(h, ch);
			}

			return h;
		},
		getStyle = helpers.getStyle = function(el, property) {
			return el.currentStyle ?
				el.currentStyle[property] :
				document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
		},
		getMaximumSize = helpers.getMaximumSize = helpers.getMaximumWidth, // legacy support
		retinaScale = helpers.retinaScale = function(chart) {
			var ctx = chart.ctx;
			var width = chart.canvas.width;
			var height = chart.canvas.height;
			var pixelRatio = chart.currentDevicePixelRatio = window.devicePixelRatio || 1;

			if (pixelRatio !== 1) {
				ctx.canvas.height = height * pixelRatio;
				ctx.canvas.width = width * pixelRatio;
				ctx.scale(pixelRatio, pixelRatio);

				ctx.canvas.style.width = width + 'px';
				ctx.canvas.style.height = height + 'px';

				// Store the device pixel ratio so that we can go backwards in `destroy`.
				// The devicePixelRatio changes with zoom, so there are no guarantees that it is the same
				// when destroy is called
				chart.originalDevicePixelRatio = chart.originalDevicePixelRatio || pixelRatio;
			}
		},
		//-- Canvas methods
		clear = helpers.clear = function(chart) {
			chart.ctx.clearRect(0, 0, chart.width, chart.height);
		},
		fontString = helpers.fontString = function(pixelSize, fontStyle, fontFamily) {
			return fontStyle + " " + pixelSize + "px " + fontFamily;
		},
		longestText = helpers.longestText = function(ctx, font, arrayOfStrings) {
			ctx.font = font;
			var longest = 0;
			each(arrayOfStrings, function(string) {
				var textWidth = ctx.measureText(string).width;
				longest = (textWidth > longest) ? textWidth : longest;
			});
			return longest;
		},
		drawRoundedRectangle = helpers.drawRoundedRectangle = function(ctx, x, y, width, height, radius) {
			ctx.beginPath();
			ctx.moveTo(x + radius, y);
			ctx.lineTo(x + width - radius, y);
			ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
			ctx.lineTo(x + width, y + height - radius);
			ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
			ctx.lineTo(x + radius, y + height);
			ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
			ctx.lineTo(x, y + radius);
			ctx.quadraticCurveTo(x, y, x + radius, y);
			ctx.closePath();
		},
		color = helpers.color = function(color) {
			if (!root.Color) {
				console.log('Color.js not found!');
				return color;
			}
			return root.Color(color);
		},
		addResizeListener = helpers.addResizeListener = function(node, callback) {
			// Hide an iframe before the node
			var hiddenIframe = document.createElement('iframe');
			var hiddenIframeClass = 'chartjs-hidden-iframe';

			if (hiddenIframe.classlist) {
				// can use classlist
				hiddenIframe.classlist.add(hiddenIframeClass);
			} else {
				hiddenIframe.setAttribute('class', hiddenIframeClass);
			}

			// Set the style
			hiddenIframe.style.width = '100%';
			hiddenIframe.style.display = 'block';
			hiddenIframe.style.border = 0;
			hiddenIframe.style.height = 0;
			hiddenIframe.style.margin = 0;
			hiddenIframe.style.position = 'absolute';
			hiddenIframe.style.left = 0;
			hiddenIframe.style.right = 0;
			hiddenIframe.style.top = 0;
			hiddenIframe.style.bottom = 0;

			// Insert the iframe so that contentWindow is available
			node.insertBefore(hiddenIframe, node.firstChild);

			var timer = 0;
			(hiddenIframe.contentWindow || hiddenIframe).onresize = function() {
				if (callback) {
					callback();
				}
			};
		},
		removeResizeListener = helpers.removeResizeListener = function(node) {
			var hiddenIframe = node.querySelector('.chartjs-hidden-iframe');

			// Remove the resize detect iframe
			if (hiddenIframe) {
				hiddenIframe.parentNode.removeChild(hiddenIframe);
			}
		},
		isArray = helpers.isArray = function(obj) {
			if (!Array.isArray) {
				return Object.prototype.toString.call(arg) === '[object Array]';
			}
			return Array.isArray(obj);
		},
		isDatasetVisible = helpers.isDatasetVisible = function(dataset) {
			return !dataset.hidden;
		};

	helpers.callCallback = function(fn, args, _tArg) {
		if (fn && typeof fn.call === 'function') {
			fn.apply(_tArg, args);
		}
	}
}).call(this);

(function() {

	"use strict";

	//Declare root variable - window in the browser, global on the server
	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.elements = {};

	Chart.Element = function(configuration) {
		helpers.extend(this, configuration);
		this.initialize.apply(this, arguments);
	};
	helpers.extend(Chart.Element.prototype, {
		initialize: function() {},
		pivot: function() {
			if (!this._view) {
				this._view = helpers.clone(this._model);
			}
			this._start = helpers.clone(this._view);
			return this;
		},
		transition: function(ease) {
			if (!this._view) {
				this._view = helpers.clone(this._model);
			}
			if (!this._start) {
				this.pivot();
			}

			helpers.each(this._model, function(value, key) {

				if (key[0] === '_' || !this._model.hasOwnProperty(key)) {
					// Only non-underscored properties
				}

				// Init if doesn't exist
				else if (!this._view[key]) {
					if (typeof value === 'number' && isNaN(this._view[key]) === false) {
						this._view[key] = value * ease;
					} else {
						this._view[key] = value || null;
					}
				}

				// No unnecessary computations
				else if (this._model[key] === this._view[key]) {
					// It's the same! Woohoo!
				}

				// Color transitions if possible
				else if (typeof value === 'string') {
					try {
						var color = helpers.color(this._start[key]).mix(helpers.color(this._model[key]), ease);
						this._view[key] = color.rgbString();
					} catch (err) {
						this._view[key] = value;
					}
				}
				// Number transitions
				else if (typeof value === 'number') {
					var startVal = this._start[key] !== undefined && isNaN(this._start[key]) === false ? this._start[key] : 0;
					this._view[key] = ((this._model[key] - startVal) * ease) + startVal;
				}
				// Everything else
				else {
					this._view[key] = value;
				}
			}, this);

			if (ease === 1) {
				delete this._start;
			}
			return this;
		},
		tooltipPosition: function() {
			return {
				x: this._model.x,
				y: this._model.y
			};
		},
		hasValue: function() {
			return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);
		}
	});

	Chart.Element.extend = helpers.inherits;

}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.animation = {
		duration: 1000,
		easing: "easeOutQuart",
		onProgress: helpers.noop,
		onComplete: helpers.noop,
	};

	Chart.Animation = Chart.Element.extend({
		currentStep: null, // the current animation step
		numSteps: 60, // default number of steps
		easing: "", // the easing to use for this animation
		render: null, // render function used by the animation service

		onAnimationProgress: null, // user specified callback to fire on each step of the animation 
		onAnimationComplete: null, // user specified callback to fire when the animation finishes
	});

	Chart.animationService = {
		frameDuration: 17,
		animations: [],
		dropFrames: 0,
		addAnimation: function(chartInstance, animationObject, duration, lazy) {

			if (!lazy) {
				chartInstance.animating = true;
			}

			for (var index = 0; index < this.animations.length; ++index) {
				if (this.animations[index].chartInstance === chartInstance) {
					// replacing an in progress animation
					this.animations[index].animationObject = animationObject;
					return;
				}
			}

			this.animations.push({
				chartInstance: chartInstance,
				animationObject: animationObject
			});

			// If there are no animations queued, manually kickstart a digest, for lack of a better word
			if (this.animations.length == 1) {
				helpers.requestAnimFrame.call(window, this.digestWrapper);
			}
		},
		// Cancel the animation for a given chart instance
		cancelAnimation: function(chartInstance) {
			var index = helpers.findNextWhere(this.animations, function(animationWrapper) {
				return animationWrapper.chartInstance === chartInstance;
			});

			if (index) {
				this.animations.splice(index, 1);
				chartInstance.animating = false;
			}
		},
		// calls startDigest with the proper context
		digestWrapper: function() {
			Chart.animationService.startDigest.call(Chart.animationService);
		},
		startDigest: function() {

			var startTime = Date.now();
			var framesToDrop = 0;

			if (this.dropFrames > 1) {
				framesToDrop = Math.floor(this.dropFrames);
				this.dropFrames = this.dropFrames % 1;
			}

			for (var i = 0; i < this.animations.length; i++) {
				if (this.animations[i].animationObject.currentStep === null) {
					this.animations[i].animationObject.currentStep = 0;
				}

				this.animations[i].animationObject.currentStep += 1 + framesToDrop;

				if (this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps) {
					this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps;
				}

				this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject);
				if (this.animations[i].animationObject.onAnimationProgress && this.animations[i].animationObject.onAnimationProgress.call) {
					this.animations[i].animationObject.onAnimationProgress.call(this.animations[i].chartInstance, this.animations[i]);
				}

				if (this.animations[i].animationObject.currentStep == this.animations[i].animationObject.numSteps) {
					if (this.animations[i].animationObject.onAnimationComplete && this.animations[i].animationObject.onAnimationComplete.call) {
						this.animations[i].animationObject.onAnimationComplete.call(this.animations[i].chartInstance, this.animations[i]);
					}
					
					// executed the last frame. Remove the animation.
					this.animations[i].chartInstance.animating = false;
					this.animations.splice(i, 1);
					// Keep the index in place to offset the splice
					i--;
				}
			}

			var endTime = Date.now();
			var dropFrames = (endTime - startTime) / this.frameDuration;

			this.dropFrames += dropFrames;

			// Do we have more stuff to animate?
			if (this.animations.length > 0) {
				helpers.requestAnimFrame.call(window, this.digestWrapper);
			}
		}
	};

}).call(this);

(function() {

	"use strict";

	//Declare root variable - window in the browser, global on the server
	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;


	//Create a dictionary of chart types, to allow for extension of existing types
	Chart.types = {};

	//Store a reference to each instance - allowing us to globally resize chart instances on window resize.
	//Destroy method on the chart will remove the instance of the chart from this reference.
	Chart.instances = {};

	// Controllers available for dataset visualization eg. bar, line, slice, etc.
	Chart.controllers = {};

	// The main controller of a chart
	Chart.Controller = function(instance) {

		this.chart = instance;
		this.config = instance.config;
		this.options = this.config.options = helpers.configMerge(Chart.defaults.global, Chart.defaults[this.config.type], this.config.options || {});
		this.id = helpers.uid();

		Object.defineProperty(this, 'data', {
			get: function() {
				return this.config.data;
			},
		});

		//Add the chart instance to the global namespace
		Chart.instances[this.id] = this;

		if (this.options.responsive) {
			// Silent resize before chart draws
			this.resize(true);
		}

		this.initialize.call(this);

		return this;
	};

	helpers.extend(Chart.Controller.prototype, {

		initialize: function initialize() {

			// TODO
			// If BeforeInit(this) doesn't return false, proceed

			this.bindEvents();

			// Make sure controllers are built first so that each dataset is bound to an axis before the scales
			// are built
			this.ensureScalesHaveIDs();
			this.buildOrUpdateControllers();
			this.buildScales();
			this.buildSurroundingItems();
			this.updateLayout();
			this.resetElements();
			this.initToolTip();
			this.update();

			// TODO
			// If AfterInit(this) doesn't return false, proceed

			return this;
		},

		clear: function clear() {
			helpers.clear(this.chart);
			return this;
		},

		stop: function stop() {
			// Stops any current animation loop occuring
			Chart.animationService.cancelAnimation(this);
			return this;
		},

		resize: function resize(silent) {
			this.stop();
			var canvas = this.chart.canvas;
			var newWidth = helpers.getMaximumWidth(this.chart.canvas);
			var newHeight = (this.options.maintainAspectRatio && isNaN(this.chart.aspectRatio) === false && isFinite(this.chart.aspectRatio) && this.chart.aspectRatio !== 0) ? newWidth / this.chart.aspectRatio : helpers.getMaximumHeight(this.chart.canvas);

			canvas.width = this.chart.width = newWidth;
			canvas.height = this.chart.height = newHeight;

			helpers.retinaScale(this.chart);

			if (!silent) {
				this.update(this.options.responsiveAnimationDuration);
			}

			return this;
		},
		ensureScalesHaveIDs: function ensureScalesHaveIDs() {
			var defaultXAxisID = 'x-axis-';
			var defaultYAxisID = 'y-axis-';

			if (this.options.scales) {
				if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
					helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
						xAxisOptions.id = xAxisOptions.id || (defaultXAxisID + index);
					}, this);
				}

				if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
					// Build the y axes
					helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
						yAxisOptions.id = yAxisOptions.id || (defaultYAxisID + index);
					}, this);
				}
			}
		},
		buildScales: function buildScales() {
			// Map of scale ID to scale object so we can lookup later
			this.scales = {};

			// Build the x axes
			if (this.options.scales) {
				if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
					helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
						var ScaleClass = Chart.scaleService.getScaleConstructor(xAxisOptions.type);
						var scale = new ScaleClass({
							ctx: this.chart.ctx,
							options: xAxisOptions,
							chart: this,
							id: xAxisOptions.id,
						});

						this.scales[scale.id] = scale;
					}, this);
				}

				if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
					// Build the y axes
					helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
						var ScaleClass = Chart.scaleService.getScaleConstructor(yAxisOptions.type);
						var scale = new ScaleClass({
							ctx: this.chart.ctx,
							options: yAxisOptions,
							chart: this,
							id: yAxisOptions.id,
						});

						this.scales[scale.id] = scale;
					}, this);
				}
			}
			if (this.options.scale) {
				// Build radial axes
				var ScaleClass = Chart.scaleService.getScaleConstructor(this.options.scale.type);
				var scale = new ScaleClass({
					ctx: this.chart.ctx,
					options: this.options.scale,
					chart: this,
				});

				this.scale = scale;

				this.scales.radialScale = scale;
			}

			Chart.scaleService.addScalesToLayout(this);
		},

		buildSurroundingItems: function() {
			if (this.options.title) {
				this.titleBlock = new Chart.Title({
					ctx: this.chart.ctx,
					options: this.options.title,
					chart: this
				});

				Chart.layoutService.addBox(this, this.titleBlock);
			}

			if (this.options.legend) {
				this.legend = new Chart.Legend({
					ctx: this.chart.ctx,
					options: this.options.legend,
					chart: this,
				});

				Chart.layoutService.addBox(this, this.legend);
			}
		},

		updateLayout: function() {
			Chart.layoutService.update(this, this.chart.width, this.chart.height);
		},

		buildOrUpdateControllers: function buildOrUpdateControllers(resetNewControllers) {
			var types = [];
			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				if (!dataset.type) {
					dataset.type = this.config.type;
				}

				var type = dataset.type;
				types.push(type);

				if (dataset.controller) {
					dataset.controller.updateIndex(datasetIndex);
				} else {
					dataset.controller = new Chart.controllers[type](this, datasetIndex);

					if (resetNewControllers) {
						dataset.controller.reset();
					}
				}
			}, this);

			if (types.length > 1) {
				for (var i = 1; i < types.length; i++) {
					if (types[i] != types[i - 1]) {
						this.isCombo = true;
						break;
					}
				}
			}
		},

		resetElements: function resetElements() {
			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				dataset.controller.reset();
			}, this);
		},

		update: function update(animationDuration, lazy) {
			// In case the entire data object changed
			this.tooltip._data = this.data;

			// Make sure dataset controllers are updated and new controllers are reset
			this.buildOrUpdateControllers(true);

			Chart.layoutService.update(this, this.chart.width, this.chart.height);

			// Make sure all dataset controllers have correct meta data counts
			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				dataset.controller.buildOrUpdateElements();
			}, this);

			// This will loop through any data and do the appropriate element update for the type
			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				dataset.controller.update();
			}, this);
			this.render(animationDuration, lazy);
		},

		render: function render(duration, lazy) {

			if (this.options.animation && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration == 'undefined' && this.options.animation.duration !== 0))) {
				var animation = new Chart.Animation();
				animation.numSteps = (duration || this.options.animation.duration) / 16.66; //60 fps
				animation.easing = this.options.animation.easing;

				// render function
				animation.render = function(chartInstance, animationObject) {
					var easingFunction = helpers.easingEffects[animationObject.easing];
					var stepDecimal = animationObject.currentStep / animationObject.numSteps;
					var easeDecimal = easingFunction(stepDecimal);

					chartInstance.draw(easeDecimal, stepDecimal, animationObject.currentStep);
				};

				// user events
				animation.onAnimationProgress = this.options.animation.onProgress;
				animation.onAnimationComplete = this.options.animation.onComplete;

				Chart.animationService.addAnimation(this, animation, duration, lazy);
			} else {
				this.draw();
				if (this.options.animation && this.options.animation.onComplete && this.options.animation.onComplete.call) {
					this.options.animation.onComplete.call(this);
				}
			}
			return this;
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;
			this.clear();

			// Draw all the scales
			helpers.each(this.boxes, function(box) {
				box.draw(this.chartArea);
			}, this);
			if (this.scale) {
				this.scale.draw();
			}

			// Draw each dataset via its respective controller (reversed to support proper line stacking)
			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				if (helpers.isDatasetVisible(dataset)) {
					dataset.controller.draw(ease);
				}
			}, this);

			// Finally draw the tooltip
			this.tooltip.transition(easingDecimal).draw();
		},

		// Get the single element that was clicked on
		// @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
		getElementAtEvent: function(e) {

			var eventPosition = helpers.getRelativePosition(e, this.chart);
			var elementsArray = [];

			helpers.each(this.data.datasets, function(dataset, datasetIndex) {
				if (helpers.isDatasetVisible(dataset)) {
					helpers.each(dataset.metaData, function(element, index) {
						if (element.inRange(eventPosition.x, eventPosition.y)) {
							elementsArray.push(element);
							return elementsArray;
						}
					}, this);
				}
			}, this);

			return elementsArray;
		},

		getElementsAtEvent: function(e) {
			var eventPosition = helpers.getRelativePosition(e, this.chart);
			var elementsArray = [];

			var found = (function(){
				for (var i = 0; i < this.data.datasets.length; i++) {
					if (helpers.isDatasetVisible(this.data.datasets[i])) {
						for (var j = 0; j < this.data.datasets[i].metaData.length; j++) {
							if (this.data.datasets[i].metaData[j].inRange(eventPosition.x, eventPosition.y)) {
								return this.data.datasets[i].metaData[j];
							}
						}
					}
				}
			}).call(this);

			if(!found){
				return elementsArray;
			}

			helpers.each(this.data.datasets, function(dataset, dsIndex){
				if(helpers.isDatasetVisible(dataset)){
					elementsArray.push(dataset.metaData[found._index]);
				}
			}, this);

			return elementsArray;
		},

		getDatasetAtEvent: function(e) {
			var elementsArray = this.getElementAtEvent(e);

			if (elementsArray.length > 0) {
				elementsArray = this.data.datasets[elementsArray[0]._datasetIndex].metaData;
			}

			return elementsArray;
		},

		generateLegend: function generateLegend() {
			return this.options.legendCallback(this);
		},

		destroy: function destroy() {
			this.clear();
			helpers.unbindEvents(this, this.events);
			helpers.removeResizeListener(this.chart.canvas.parentNode);

			// Reset canvas height/width attributes
			var canvas = this.chart.canvas;
			canvas.width = this.chart.width;
			canvas.height = this.chart.height;

			// if we scaled the canvas in response to a devicePixelRatio !== 1, we need to undo that transform here
			if (this.chart.originalDevicePixelRatio !== undefined) {
				this.chart.ctx.scale(1 / this.chart.originalDevicePixelRatio, 1 / this.chart.originalDevicePixelRatio);
			}

			// Reset to the old style since it may have been changed by the device pixel ratio changes
			canvas.style.width = this.chart.originalCanvasStyleWidth;
			canvas.style.height = this.chart.originalCanvasStyleHeight;

			delete Chart.instances[this.id];
		},

		toBase64Image: function toBase64Image() {
			return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments);
		},

		initToolTip: function initToolTip() {
			this.tooltip = new Chart.Tooltip({
				_chart: this.chart,
				_chartInstance: this,
				_data: this.data,
				_options: this.options,
			}, this);
		},

		bindEvents: function bindEvents() {
			helpers.bindEvents(this, this.options.events, function(evt) {
				this.eventHandler(evt);
			});
		},
		eventHandler: function eventHandler(e) {
			this.lastActive = this.lastActive || [];
			this.lastTooltipActive = this.lastTooltipActive || [];

			// Find Active Elements for hover and tooltips
			if (e.type == 'mouseout') {
				this.active = [];
				this.tooltipActive = [];
			} else {

				var _this = this;
				var getItemsForMode = function(mode) {
					switch (mode) {
						case 'single':
							return _this.getElementAtEvent(e);
						case 'label':
							return _this.getElementsAtEvent(e);
						case 'dataset':
							return _this.getDatasetAtEvent(e);
						default:
							return e;
					}
				};

				this.active = getItemsForMode(this.options.hover.mode);
				this.tooltipActive = getItemsForMode(this.options.tooltips.mode);
			}

			// On Hover hook
			if (this.options.hover.onHover) {
				this.options.hover.onHover.call(this, this.active);
			}

			if (e.type == 'mouseup' || e.type == 'click') {
				if (this.options.onClick) {
					this.options.onClick.call(this, e, this.active);
				}

				if (this.legend && this.legend.handleEvent) {
					this.legend.handleEvent(e);
				}
			}

			var dataset;
			var index;

			// Remove styling for last active (even if it may still be active)
			if (this.lastActive.length) {
				switch (this.options.hover.mode) {
					case 'single':
						this.data.datasets[this.lastActive[0]._datasetIndex].controller.removeHoverStyle(this.lastActive[0], this.lastActive[0]._datasetIndex, this.lastActive[0]._index);
						break;
					case 'label':
					case 'dataset':
						for (var i = 0; i < this.lastActive.length; i++) {
							if (this.lastActive[i])
						  		this.data.datasets[this.lastActive[i]._datasetIndex].controller.removeHoverStyle(this.lastActive[i], this.lastActive[i]._datasetIndex, this.lastActive[i]._index);
						}
						break;
					default:
						// Don't change anything
				}
			}

			// Built in hover styling
			if (this.active.length && this.options.hover.mode) {
				switch (this.options.hover.mode) {
					case 'single':
						this.data.datasets[this.active[0]._datasetIndex].controller.setHoverStyle(this.active[0]);
						break;
					case 'label':
					case 'dataset':
						for (var j = 0; j < this.active.length; j++) {
							if (this.active[j])
				  				this.data.datasets[this.active[j]._datasetIndex].controller.setHoverStyle(this.active[j]);
						}
						break;
					default:
						// Don't change anything
				}
			}


			// Built in Tooltips
			if (this.options.tooltips.enabled || this.options.tooltips.custom) {

				// The usual updates
				this.tooltip.initialize();
				this.tooltip._active = this.tooltipActive;
				this.tooltip.update();
			}

			// Hover animations
			this.tooltip.pivot();

			if (!this.animating) {
				var changed;

				helpers.each(this.active, function(element, index) {
					if (element !== this.lastActive[index]) {
						changed = true;
					}
				}, this);

				helpers.each(this.tooltipActive, function(element, index) {
					if (element !== this.lastTooltipActive[index]) {
						changed = true;
					}
				}, this);

				// If entering, leaving, or changing elements, animate the change via pivot
				if ((this.lastActive.length !== this.active.length) ||
					(this.lastTooltipActive.length !== this.tooltipActive.length) ||
					changed) {

					this.stop();

					if (this.options.tooltips.enabled || this.options.tooltips.custom) {
						this.tooltip.update(true);
					}

					// We only need to render at this point. Updating will cause scales to be recomputed generating flicker & using more
					// memory than necessary.
					this.render(this.options.hover.animationDuration, true);
				}
			}

			// Remember Last Actives
			this.lastActive = this.active;
			this.lastTooltipActive = this.tooltipActive;
			return this;
		},
	});

}).call(this);

(function() {

	"use strict";

	//Declare root variable - window in the browser, global on the server
	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;


	// Base class for all dataset controllers (line, bar, etc)
	Chart.DatasetController = function(chart, datasetIndex) {
		this.initialize.call(this, chart, datasetIndex);
	};

	helpers.extend(Chart.DatasetController.prototype, {
		initialize: function(chart, datasetIndex) {
			this.chart = chart;
			this.index = datasetIndex;
			this.linkScales();
			this.addElements();
		},
		updateIndex: function(datasetIndex) {
			this.index = datasetIndex;
		},

		linkScales: function() {
			if (!this.getDataset().xAxisID) {
				this.getDataset().xAxisID = this.chart.options.scales.xAxes[0].id;
			}

			if (!this.getDataset().yAxisID) {
				this.getDataset().yAxisID = this.chart.options.scales.yAxes[0].id;
			}
		},

		getDataset: function() {
			return this.chart.data.datasets[this.index];
		},

		getScaleForId: function(scaleID) {
			return this.chart.scales[scaleID];
		},

		reset: function() {
			this.update(true);
		},

		buildOrUpdateElements: function buildOrUpdateElements() {
			// Handle the number of data points changing
			var numData = this.getDataset().data.length;
			var numMetaData = this.getDataset().metaData.length;

			// Make sure that we handle number of datapoints changing
			if (numData < numMetaData) {
				// Remove excess bars for data points that have been removed
				this.getDataset().metaData.splice(numData, numMetaData - numData);
			} else if (numData > numMetaData) {
				// Add new elements
				for (var index = numMetaData; index < numData; ++index) {
					this.addElementAndReset(index);
				}
			}
		},

		// Controllers should implement the following
		addElements: helpers.noop,
		addElementAndReset: helpers.noop,
		draw: helpers.noop,
		removeHoverStyle: helpers.noop,
		setHoverStyle: helpers.noop,
		update: helpers.noop,
	});

	Chart.DatasetController.extend = helpers.inherits;

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	// The layout service is ver self explanatory.  It's responsible for the layout within a chart.  
	// Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
	// It is this service's responsibility of carrying out that layout.
	Chart.layoutService = {
		defaults: {},

		// Register a box to a chartInstance. A box is simply a reference to an object that requires layout. eg. Scales, Legend, Plugins.
		addBox: function(chartInstance, box) {
			if (!chartInstance.boxes) {
				chartInstance.boxes = [];
			}
			chartInstance.boxes.push(box);
		},

		removeBox: function(chartInstance, box) {
			if (!chartInstance.boxes) {
				return;
			}
			chartInstance.boxes.splice(chartInstance.boxes.indexOf(box), 1);
		},

		// The most important function
		update: function(chartInstance, width, height) {

			if (!chartInstance) {
				return;
			}

			var xPadding = width > 30 ? 5 : 2;
			var yPadding = height > 30 ? 5 : 2;

			var leftBoxes = helpers.where(chartInstance.boxes, function(box) {
				return box.options.position == "left";
			});
			var rightBoxes = helpers.where(chartInstance.boxes, function(box) {
				return box.options.position == "right";
			});
			var topBoxes = helpers.where(chartInstance.boxes, function(box) {
				return box.options.position == "top";
			});
			var bottomBoxes = helpers.where(chartInstance.boxes, function(box) {
				return box.options.position == "bottom";
			});

			// Boxes that overlay the chartarea such as the radialLinear scale
			var chartAreaBoxes = helpers.where(chartInstance.boxes, function(box) {
				return box.options.position == "chartArea";
			});

			function fullWidthSorter(a, b) {

			}

			// Ensure that full width boxes are at the very top / bottom
			topBoxes.sort(function(a, b) {
				return (b.options.fullWidth ? 1 : 0) - (a.options.fullWidth ? 1 : 0);
			});
			bottomBoxes.sort(function(a, b) {
				return (a.options.fullWidth ? 1 : 0) - (b.options.fullWidth ? 1 : 0);
			});

			// Essentially we now have any number of boxes on each of the 4 sides.
			// Our canvas looks like the following.
			// The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and 
			// B1 is the bottom axis
			// There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
			// These locations are single-box locations only, when trying to register a chartArea location that is already taken,
			// an error will be thrown.
			//
			// |----------------------------------------------------|
			// |                  T1 (Full Width)                   |
			// |----------------------------------------------------|
			// |    |    |                 T2                  |    |
			// |    |----|-------------------------------------|----|
			// |    |    | C1 |                           | C2 |    |
			// |    |    |----|                           |----|    |
			// |    |    |                                     |    |
			// | L1 | L2 |           ChartArea (C0)            | R1 |
			// |    |    |                                     |    |
			// |    |    |----|                           |----|    |
			// |    |    | C3 |                           | C4 |    |
			// |    |----|-------------------------------------|----|
			// |    |    |                 B1                  |    |
			// |----------------------------------------------------|
			// |                  B2 (Full Width)                   |
			// |----------------------------------------------------|
			//
			// What we do to find the best sizing, we do the following
			// 1. Determine the minimum size of the chart area. 
			// 2. Split the remaining width equally between each vertical axis
			// 3. Split the remaining height equally between each horizontal axis
			// 4. Give each layout the maximum size it can be. The layout will return it's minimum size
			// 5. Adjust the sizes of each axis based on it's minimum reported size. 
			// 6. Refit each axis
			// 7. Position each axis in the final location
			// 8. Tell the chart the final location of the chart area
			// 9. Tell any axes that overlay the chart area the positions of the chart area

			// Step 1
			var chartWidth = width - (2 * xPadding);
			var chartHeight = height - (2 * yPadding);
			var chartAreaWidth = chartWidth / 2; // min 50%
			var chartAreaHeight = chartHeight / 2; // min 50%

			// Step 2
			var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);

			// Step 3
			var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);

			// Step 4
			var maxChartAreaWidth = chartWidth;
			var maxChartAreaHeight = chartHeight;
			var minBoxSizes = [];

			helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);

			function getMinimumBoxSize(box) {
				var minSize;
				var isHorizontal = box.isHorizontal();

				if (isHorizontal) {
					minSize = box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);
					maxChartAreaHeight -= minSize.height;
				} else {
					minSize = box.update(verticalBoxWidth, chartAreaHeight);
					maxChartAreaWidth -= minSize.width;
				}

				minBoxSizes.push({
					horizontal: isHorizontal,
					minSize: minSize,
					box: box,
				});
			}

			// At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could
			// be if the axes are drawn at their minimum sizes.

			// Steps 5 & 6
			var totalLeftBoxesWidth = xPadding;
			var totalRightBoxesWidth = xPadding;
			var totalTopBoxesHeight = yPadding;
			var totalBottomBoxesHeight = yPadding;

			// Update, and calculate the left and right margins for the horizontal boxes
			helpers.each(leftBoxes.concat(rightBoxes), fitBox);

			helpers.each(leftBoxes, function(box) {
				totalLeftBoxesWidth += box.width;
			});

			helpers.each(rightBoxes, function(box) {
				totalRightBoxesWidth += box.width;
			});

			// Set the Left and Right margins for the horizontal boxes
			helpers.each(topBoxes.concat(bottomBoxes), fitBox);

			// Function to fit a box
			function fitBox(box) {
				var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) {
					return minBoxSize.box === box;
				});

				if (minBoxSize) {
					if (box.isHorizontal()) {
						var scaleMargin = {
							left: totalLeftBoxesWidth,
							right: totalRightBoxesWidth,
							top: 0,
							bottom: 0,
						};

						box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, minBoxSize.minSize.height, scaleMargin);
					} else {
						box.update(minBoxSize.minSize.width, maxChartAreaHeight);
					}
				}
			}

			// Figure out how much margin is on the top and bottom of the vertical boxes
			helpers.each(topBoxes, function(box) {
				totalTopBoxesHeight += box.height;
			});

			helpers.each(bottomBoxes, function(box) {
				totalBottomBoxesHeight += box.height;
			});

			// Let the left layout know the final margin
			helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);

			function finalFitVerticalBox(box) {
				var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) {
					return minBoxSize.box === box;
				});

				var scaleMargin = {
					left: 0,
					right: 0,
					top: totalTopBoxesHeight,
					bottom: totalBottomBoxesHeight
				};

				if (minBoxSize) {
					box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);
				}
			}

			// Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)
			totalLeftBoxesWidth = xPadding;
			totalRightBoxesWidth = xPadding;
			totalTopBoxesHeight = yPadding;
			totalBottomBoxesHeight = yPadding;

			helpers.each(leftBoxes, function(box) {
				totalLeftBoxesWidth += box.width;
			});

			helpers.each(rightBoxes, function(box) {
				totalRightBoxesWidth += box.width;
			});

			helpers.each(topBoxes, function(box) {
				totalTopBoxesHeight += box.height;
			});
			helpers.each(bottomBoxes, function(box) {
				totalBottomBoxesHeight += box.height;
			});

			// Figure out if our chart area changed. This would occur if the dataset layout label rotation
			// changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do
			// without calling `fit` again
			var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;
			var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;

			if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {
				helpers.each(leftBoxes, function(box) {
					box.height = newMaxChartAreaHeight;
				});

				helpers.each(rightBoxes, function(box) {
					box.height = newMaxChartAreaHeight;
				});

				helpers.each(topBoxes, function(box) {
					box.width = newMaxChartAreaWidth;
				});

				helpers.each(bottomBoxes, function(box) {
					box.width = newMaxChartAreaWidth;
				});

				maxChartAreaHeight = newMaxChartAreaHeight;
				maxChartAreaWidth = newMaxChartAreaWidth;
			}

			// Step 7 - Position the boxes
			var left = xPadding;
			var top = yPadding;
			var right = 0;
			var bottom = 0;

			helpers.each(leftBoxes.concat(topBoxes), placeBox);

			// Account for chart width and height
			left += maxChartAreaWidth;
			top += maxChartAreaHeight;

			helpers.each(rightBoxes, placeBox);
			helpers.each(bottomBoxes, placeBox);

			function placeBox(box) {
				if (box.isHorizontal()) {
					box.left = box.options.fullWidth ? xPadding : totalLeftBoxesWidth;
					box.right = box.options.fullWidth ? width - xPadding : totalLeftBoxesWidth + maxChartAreaWidth;
					box.top = top;
					box.bottom = top + box.height;

					// Move to next point 
					top = box.bottom;

				} else {

					box.left = left;
					box.right = left + box.width;
					box.top = totalTopBoxesHeight;
					box.bottom = totalTopBoxesHeight + maxChartAreaHeight;

					// Move to next point
					left = box.right;
				}
			}

			// Step 8
			chartInstance.chartArea = {
				left: totalLeftBoxesWidth,
				top: totalTopBoxesHeight,
				right: totalLeftBoxesWidth + maxChartAreaWidth,
				bottom: totalTopBoxesHeight + maxChartAreaHeight,
			};

			// Step 9
			helpers.each(chartAreaBoxes, function(box) {
				box.left = chartInstance.chartArea.left;
				box.top = chartInstance.chartArea.top;
				box.right = chartInstance.chartArea.right;
				box.bottom = chartInstance.chartArea.bottom;

				box.update(maxChartAreaWidth, maxChartAreaHeight);
			});
		}
	};


}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.legend = {

		display: true,
		position: 'top',
		fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes)

		// a callback that will handle 
		onClick: function(e, legendItem) {
			var dataset = this.chart.data.datasets[legendItem.datasetIndex];
			dataset.hidden = !dataset.hidden;

			// We hid a dataset ... rerender the chart
			this.chart.update();
		},

		labels: {
			boxWidth: 40,
			fontSize: 12,
			fontStyle: "normal",
			fontColor: "#666",
			fontFamily: "Helvetica Neue",
			padding: 10,
			// Generates labels shown in the legend
			// Valid properties to return:
			// text : text to display
			// fillStyle : fill of coloured box
			// strokeStyle: stroke of coloured box
			// hidden : if this legend item refers to a hidden item
			// lineCap : cap style for line
			// lineDash
			// lineDashOffset :
			// lineJoin :
			// lineWidth :
			generateLabels: function(data) {
				return data.datasets.map(function(dataset, i) {
					return {
						text: dataset.label,
						fillStyle: dataset.backgroundColor,
						hidden: dataset.hidden,
						lineCap: dataset.borderCapStyle,
						lineDash: dataset.borderDash,
						lineDashOffset: dataset.borderDashOffset,
						lineJoin: dataset.borderJoinStyle,
						lineWidth: dataset.borderWidth,
						strokeStyle: dataset.borderColor,

						// Below is extra data used for toggling the datasets
						datasetIndex: i
					};
				}, this);
			}
		},
	};

	Chart.Legend = Chart.Element.extend({

		initialize: function(config) {
			helpers.extend(this, config);

			// Contains hit boxes for each dataset (in dataset order)
			this.legendHitBoxes = [];

			// Are we in doughnut mode which has a different data type
			this.doughnutMode = false;
		},

		// These methods are ordered by lifecyle. Utilities then follow.
		// Any function defined here is inherited by all legend types.
		// Any function can be extended by the legend type

		beforeUpdate: helpers.noop,
		update: function(maxWidth, maxHeight, margins) {

			// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
			this.beforeUpdate();

			// Absorb the master measurements
			this.maxWidth = maxWidth;
			this.maxHeight = maxHeight;
			this.margins = margins;

			// Dimensions
			this.beforeSetDimensions();
			this.setDimensions();
			this.afterSetDimensions();
			// Labels
			this.beforeBuildLabels();
			this.buildLabels();
			this.afterBuildLabels();

			// Fit
			this.beforeFit();
			this.fit();
			this.afterFit();
			//
			this.afterUpdate();

			return this.minSize;

		},
		afterUpdate: helpers.noop,

		//

		beforeSetDimensions: helpers.noop,
		setDimensions: function() {
			// Set the unconstrained dimension before label rotation
			if (this.isHorizontal()) {
				// Reset position before calculating rotation
				this.width = this.maxWidth;
				this.left = 0;
				this.right = this.width;
			} else {
				this.height = this.maxHeight;

				// Reset position before calculating rotation
				this.top = 0;
				this.bottom = this.height;
			}

			// Reset padding
			this.paddingLeft = 0;
			this.paddingTop = 0;
			this.paddingRight = 0;
			this.paddingBottom = 0;

			// Reset minSize
			this.minSize = {
				width: 0,
				height: 0,
			};
		},
		afterSetDimensions: helpers.noop,

		//

		beforeBuildLabels: helpers.noop,
		buildLabels: function() {
			this.legendItems = this.options.labels.generateLabels.call(this, this.chart.data);
		},
		afterBuildLabels: helpers.noop,

		//

		beforeFit: helpers.noop,
		fit: function() {

			var ctx = this.ctx;
			var labelFont = helpers.fontString(this.options.labels.fontSize, this.options.labels.fontStyle, this.options.labels.fontFamily);

			// Reset hit boxes
			this.legendHitBoxes = [];

			// Width
			if (this.isHorizontal()) {
				this.minSize.width = this.maxWidth; // fill all the width
			} else {
				this.minSize.width = this.options.display ? 10 : 0;
			}

			// height
			if (this.isHorizontal()) {
				this.minSize.height = this.options.display ? 10 : 0;
			} else {
				this.minSize.height = this.maxHeight; // fill all the height
			}

			// Increase sizes here
			if (this.options.display) {
				if (this.isHorizontal()) {
					// Labels

					// Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one
					this.lineWidths = [0];
					var totalHeight = this.legendItems.length ? this.options.labels.fontSize + (this.options.labels.padding) : 0;

					ctx.textAlign = "left";
					ctx.textBaseline = 'top';
					ctx.font = labelFont;

					helpers.each(this.legendItems, function(legendItem, i) {
						var width = this.options.labels.boxWidth + (this.options.labels.fontSize / 2) + ctx.measureText(legendItem.text).width;
						if (this.lineWidths[this.lineWidths.length - 1] + width >= this.width) {
							totalHeight += this.options.labels.fontSize + (this.options.labels.padding);
							this.lineWidths[this.lineWidths.length] = this.left;
						}

						// Store the hitbox width and height here. Final position will be updated in `draw`
						this.legendHitBoxes[i] = {
							left: 0,
							top: 0,
							width: width,
							height: this.options.labels.fontSize,
						};

						this.lineWidths[this.lineWidths.length - 1] += width + this.options.labels.padding;
					}, this);

					this.minSize.height += totalHeight;

				} else {
					// TODO vertical
				}
			}

			this.width = this.minSize.width;
			this.height = this.minSize.height;

		},
		afterFit: helpers.noop,

		// Shared Methods
		isHorizontal: function() {
			return this.options.position == "top" || this.options.position == "bottom";
		},

		// Actualy draw the legend on the canvas
		draw: function() {
			if (this.options.display) {
				var ctx = this.ctx;
				var cursor = {
					x: this.left + ((this.width - this.lineWidths[0]) / 2),
					y: this.top + this.options.labels.padding,
					line: 0,
				};

				var labelFont = helpers.fontString(this.options.labels.fontSize, this.options.labels.fontStyle, this.options.labels.fontFamily);

				// Horizontal
				if (this.isHorizontal()) {
					// Labels
					ctx.textAlign = "left";
					ctx.textBaseline = 'top';
					ctx.lineWidth = 0.5;
					ctx.strokeStyle = this.options.labels.fontColor; // for strikethrough effect
					ctx.fillStyle = this.options.labels.fontColor; // render in correct colour
					ctx.font = labelFont;

					helpers.each(this.legendItems, function(legendItem, i) {
						var textWidth = ctx.measureText(legendItem.text).width;
						var width = this.options.labels.boxWidth + (this.options.labels.fontSize / 2) + textWidth;
						
						if (cursor.x + width >= this.width) {
							cursor.y += this.options.labels.fontSize + (this.options.labels.padding);
							cursor.line++;
							cursor.x = this.left + ((this.width - this.lineWidths[cursor.line]) / 2);
						}

						// Set the ctx for the box
						ctx.save();
						
						var itemOrDefault = function(item, defaulVal) {
							return item !== undefined ? item : defaulVal;
						};

						ctx.fillStyle = itemOrDefault(legendItem.fillStyle, Chart.defaults.global.defaultColor);
						ctx.lineCap = itemOrDefault(legendItem.lineCap, Chart.defaults.global.elements.line.borderCapStyle);
						ctx.lineDashOffset = itemOrDefault(legendItem.lineDashOffset, Chart.defaults.global.elements.line.borderDashOffset);
						ctx.lineJoin = itemOrDefault(legendItem.lineJoin, Chart.defaults.global.elements.line.borderJoinStyle);
						ctx.lineWidth = itemOrDefault(legendItem.lineWidth, Chart.defaults.global.elements.line.borderWidth);
						ctx.strokeStyle = itemOrDefault(legendItem.strokeStyle, Chart.defaults.global.defaultColor);
						
						if (ctx.setLineDash) {
							// IE 9 and 10 do not support line dash
							ctx.setLineDash(itemOrDefault(legendItem.lineDash, Chart.defaults.global.elements.line.borderDash));
						}
						
						// Draw the box
						ctx.strokeRect(cursor.x, cursor.y, this.options.labels.boxWidth, this.options.labels.fontSize);
						ctx.fillRect(cursor.x, cursor.y, this.options.labels.boxWidth, this.options.labels.fontSize);
						
						ctx.restore();

						this.legendHitBoxes[i].left = cursor.x;
						this.legendHitBoxes[i].top = cursor.y;

						// Fill the actual label
						ctx.fillText(legendItem.text, this.options.labels.boxWidth + (this.options.labels.fontSize / 2) + cursor.x, cursor.y);

						if (legendItem.hidden) {
							// Strikethrough the text if hidden
							ctx.beginPath();
							ctx.lineWidth = 2;
							ctx.moveTo(this.options.labels.boxWidth + (this.options.labels.fontSize / 2) + cursor.x, cursor.y + (this.options.labels.fontSize / 2));
							ctx.lineTo(this.options.labels.boxWidth + (this.options.labels.fontSize / 2) + cursor.x + textWidth, cursor.y + (this.options.labels.fontSize / 2));
							ctx.stroke();
						}

						cursor.x += width + (this.options.labels.padding);
					}, this);
				} else {

				}
			}
		},

		// Handle an event
		handleEvent: function(e) {
			var position = helpers.getRelativePosition(e, this.chart.chart);

			if (position.x >= this.left && position.x <= this.right && position.y >= this.top && position.y <= this.bottom) {
				// See if we are touching one of the dataset boxes
				for (var i = 0; i < this.legendHitBoxes.length; ++i) {
					var hitBox = this.legendHitBoxes[i];

					if (position.x >= hitBox.left && position.x <= hitBox.left + hitBox.width && position.y >= hitBox.top && position.y <= hitBox.top + hitBox.height) {
						// Touching an element
						if (this.options.onClick) {
							this.options.onClick.call(this, e, this.legendItems[i]);
						}
						break;
					}
				}
			}
		}
	});

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.scale = {
		display: true,

		// grid line settings
		gridLines: {
			display: true,
			color: "rgba(0, 0, 0, 0.1)",
			lineWidth: 1,
			drawOnChartArea: true,
			drawTicks: true,
			zeroLineWidth: 1,
			zeroLineColor: "rgba(0,0,0,0.25)",
			offsetGridLines: false,
		},

		// scale label
		scaleLabel: {
			fontColor: '#666',
			fontFamily: 'Helvetica Neue',
			fontSize: 12,
			fontStyle: 'normal',

			// actual label
			labelString: '',

			// display property
			display: false,
		},

		// label settings
		ticks: {
			beginAtZero: false,
			fontSize: 12,
			fontStyle: "normal",
			fontColor: "#666",
			fontFamily: "Helvetica Neue",
			maxRotation: 90,
			mirror: false,
			padding: 10,
			reverse: false,
			display: true,
			autoSkip: true,
		    autoSkipPadding: 20,
			callback: function(value) {
				return '' + value;
			},
		},
	};

	Chart.Scale = Chart.Element.extend({

		// These methods are ordered by lifecyle. Utilities then follow.
		// Any function defined here is inherited by all scale types.
		// Any function can be extended by the scale type

		beforeUpdate: function() {
			helpers.callCallback(this.options.beforeUpdate, [this]);
		},
		update: function(maxWidth, maxHeight, margins) {

			// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
			this.beforeUpdate();

			// Absorb the master measurements
			this.maxWidth = maxWidth;
			this.maxHeight = maxHeight;
			this.margins = helpers.extend({
				left: 0,
				right: 0,
				top: 0,
				bottom: 0
			}, margins);

			// Dimensions
			this.beforeSetDimensions();
			this.setDimensions();
			this.afterSetDimensions();

			// Data min/max
			this.beforeDataLimits();
			this.determineDataLimits();
			this.afterDataLimits();

			// Ticks
			this.beforeBuildTicks();
			this.buildTicks();
			this.afterBuildTicks();

			this.beforeTickToLabelConversion();
			this.convertTicksToLabels();
			this.afterTickToLabelConversion();

			// Tick Rotation
			this.beforeCalculateTickRotation();
			this.calculateTickRotation();
			this.afterCalculateTickRotation();
			// Fit
			this.beforeFit();
			this.fit();
			this.afterFit();
			//
			this.afterUpdate();

			return this.minSize;

		},
		afterUpdate: function() {
			helpers.callCallback(this.options.afterUpdate, [this]);
		},

		//

		beforeSetDimensions: function() {
			helpers.callCallback(this.options.beforeSetDimensions, [this]);
		},
		setDimensions: function() {
			// Set the unconstrained dimension before label rotation
			if (this.isHorizontal()) {
				// Reset position before calculating rotation
				this.width = this.maxWidth;
				this.left = 0;
				this.right = this.width;
			} else {
				this.height = this.maxHeight;

				// Reset position before calculating rotation
				this.top = 0;
				this.bottom = this.height;
			}

			// Reset padding
			this.paddingLeft = 0;
			this.paddingTop = 0;
			this.paddingRight = 0;
			this.paddingBottom = 0;
		},
		afterSetDimensions: function() {
			helpers.callCallback(this.options.afterSetDimensions, [this]);
		},

		// Data limits
		beforeDataLimits: function() {
			helpers.callCallback(this.options.beforeDataLimits, [this]);
		},
		determineDataLimits: helpers.noop,
		afterDataLimits: function() {
			helpers.callCallback(this.options.afterDataLimits, [this]);
		},

		//
		beforeBuildTicks: function() {
			helpers.callCallback(this.options.beforeBuildTicks, [this]);
		},
		buildTicks: helpers.noop,
		afterBuildTicks: function() {
			helpers.callCallback(this.options.afterBuildTicks, [this]);
		},

		beforeTickToLabelConversion: function() {
			helpers.callCallback(this.options.beforeTickToLabelConversion, [this]);
		},
		convertTicksToLabels: function() {
			// Convert ticks to strings
			this.ticks = this.ticks.map(function(numericalTick, index, ticks) {
					if (this.options.ticks.userCallback) {
						return this.options.ticks.userCallback(numericalTick, index, ticks);
					}
					return this.options.ticks.callback(numericalTick, index, ticks);
				},
				this);
		},
		afterTickToLabelConversion: function() {
			helpers.callCallback(this.options.afterTickToLabelConversion, [this]);
		},

		//

		beforeCalculateTickRotation: function() {
			helpers.callCallback(this.options.beforeCalculateTickRotation, [this]);
		},
		calculateTickRotation: function() {
			//Get the width of each grid by calculating the difference
			//between x offsets between 0 and 1.
			var labelFont = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);
			this.ctx.font = labelFont;

			var firstWidth = this.ctx.measureText(this.ticks[0]).width;
			var lastWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;
			var firstRotated;
			var lastRotated;

			this.paddingRight = lastWidth / 2 + 3;
			this.paddingLeft = firstWidth / 2 + 3;

			this.labelRotation = 0;

			if (this.options.display && this.isHorizontal()) {
				var originalLabelWidth = helpers.longestText(this.ctx, labelFont, this.ticks);
				var cosRotation;
				var sinRotation;

				this.labelWidth = originalLabelWidth;

				// Allow 3 pixels x2 padding either side for label readability
				// only the index matters for a dataset scale, but we want a consistent interface between scales

				var tickWidth = this.getPixelForTick(1) - this.getPixelForTick(0) - 6;

				//Max label rotation can be set or default to 90 - also act as a loop counter
				while (this.labelWidth > tickWidth && this.labelRotation < this.options.ticks.maxRotation) {
					cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
					sinRotation = Math.sin(helpers.toRadians(this.labelRotation));

					firstRotated = cosRotation * firstWidth;
					lastRotated = cosRotation * lastWidth;

					// We're right aligning the text now.
					if (firstRotated + this.options.ticks.fontSize / 2 > this.yLabelWidth) {
						this.paddingLeft = firstRotated + this.options.ticks.fontSize / 2;
					}

					this.paddingRight = this.options.ticks.fontSize / 2;

					if (sinRotation * originalLabelWidth > this.maxHeight) {
						// go back one step
						this.labelRotation--;
						break;
					}

					this.labelRotation++;
					this.labelWidth = cosRotation * originalLabelWidth;

				}
			} else {
				this.labelWidth = 0;
				this.paddingRight = 0;
				this.paddingLeft = 0;
			}

			if (this.margins) {
				this.paddingLeft -= this.margins.left;
				this.paddingRight -= this.margins.right;

				this.paddingLeft = Math.max(this.paddingLeft, 0);
				this.paddingRight = Math.max(this.paddingRight, 0);
			}
		},
		afterCalculateTickRotation: function() {
			helpers.callCallback(this.options.afterCalculateTickRotation, [this]);
		},

		//

		beforeFit: function() {
			helpers.callCallback(this.options.beforeFit, [this]);
		},
		fit: function() {

			this.minSize = {
				width: 0,
				height: 0,
			};

			// Width
			if (this.isHorizontal()) {
				// subtract the margins to line up with the chartArea if we are a full width scale
				this.minSize.width = this.isFullWidth() ? this.maxWidth - this.margins.left - this.margins.right : this.maxWidth;
			} else {
				this.minSize.width = this.options.gridLines.display && this.options.display ? 10 : 0;
			}

			// height
			if (this.isHorizontal()) {
				this.minSize.height = this.options.gridLines.display && this.options.display ? 10 : 0;
			} else {
				this.minSize.height = this.maxHeight; // fill all the height
			}

			// Are we showing a title for the scale?
			if (this.options.scaleLabel.display) {
				if (this.isHorizontal()) {
					this.minSize.height += (this.options.scaleLabel.fontSize * 1.5);
				} else {
					this.minSize.width += (this.options.scaleLabel.fontSize * 1.5);
				}
			}

			if (this.options.ticks.display && this.options.display) {
				// Don't bother fitting the ticks if we are not showing them
				var labelFont = helpers.fontString(this.options.ticks.fontSize,
					this.options.ticks.fontStyle, this.options.ticks.fontFamily);

				if (this.isHorizontal()) {
					// A horizontal axis is more constrained by the height.
					this.longestLabelWidth = helpers.longestText(this.ctx, labelFont, this.ticks);

					// TODO - improve this calculation
					var labelHeight = (Math.sin(helpers.toRadians(this.labelRotation)) * this.longestLabelWidth) + 1.5 * this.options.ticks.fontSize;

					this.minSize.height = Math.min(this.maxHeight, this.minSize.height + labelHeight);

					labelFont = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);
					this.ctx.font = labelFont;

					var firstLabelWidth = this.ctx.measureText(this.ticks[0]).width;
					var lastLabelWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;

					// Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned which means that the right padding is dominated
					// by the font height 
					var cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
					var sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
					this.paddingLeft = this.labelRotation !== 0 ? (cosRotation * firstLabelWidth) + 3 : firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges
					this.paddingRight = this.labelRotation !== 0 ? (sinRotation * (this.options.ticks.fontSize / 2)) + 3 : lastLabelWidth / 2 + 3; // when rotated
				} else {
					// A vertical axis is more constrained by the width. Labels are the dominant factor here, so get that length first
					var maxLabelWidth = this.maxWidth - this.minSize.width;
					var largestTextWidth = helpers.longestText(this.ctx, labelFont, this.ticks);

					// Account for padding
					if (!this.options.ticks.mirror) {
						largestTextWidth += this.options.ticks.padding;
					}

					if (largestTextWidth < maxLabelWidth) {
						// We don't need all the room
						this.minSize.width += largestTextWidth;
					} else {
						// Expand to max size
						this.minSize.width = this.maxWidth;
					}

					this.paddingTop = this.options.ticks.fontSize / 2;
					this.paddingBottom = this.options.ticks.fontSize / 2;
				}
			}

			if (this.margins) {
				this.paddingLeft -= this.margins.left;
				this.paddingTop -= this.margins.top;
				this.paddingRight -= this.margins.right;
				this.paddingBottom -= this.margins.bottom;

				this.paddingLeft = Math.max(this.paddingLeft, 0);
				this.paddingTop = Math.max(this.paddingTop, 0);
				this.paddingRight = Math.max(this.paddingRight, 0);
				this.paddingBottom = Math.max(this.paddingBottom, 0);
			}

			this.width = this.minSize.width;
			this.height = this.minSize.height;

		},
		afterFit: function() {
			helpers.callCallback(this.options.afterFit, [this]);
		},

		// Shared Methods
		isHorizontal: function() {
			return this.options.position === "top" || this.options.position === "bottom";
		},
		isFullWidth: function() {
			return (this.options.fullWidth);
		},

		// Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not
		getRightValue: function getRightValue(rawValue) {
			// Null and undefined values first
			if (rawValue === null || typeof(rawValue) === 'undefined') {
				return NaN;
			}
			// isNaN(object) returns true, so make sure NaN is checking for a number
			if (typeof(rawValue) === 'number' && isNaN(rawValue)) {
				return NaN;
			}
			// If it is in fact an object, dive in one more level
			if (typeof(rawValue) === "object") {
				if (rawValue instanceof Date) {
					return rawValue;
				} else {
					return getRightValue(this.isHorizontal() ? rawValue.x : rawValue.y);
				}
			}

			// Value is good, return it
			return rawValue;
		},

		// Used to get the value to display in the tooltip for the data at the given index
		// function getLabelForIndex(index, datasetIndex)
		getLabelForIndex: helpers.noop,

		// Used to get data value locations.  Value can either be an index or a numerical value
		getPixelForValue: helpers.noop,

		// Used for tick location, should 
		getPixelForTick: function(index, includeOffset) {
			if (this.isHorizontal()) {
				var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
				var tickWidth = innerWidth / Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
				var pixel = (tickWidth * index) + this.paddingLeft;

				if (includeOffset) {
					pixel += tickWidth / 2;
				}

				var finalVal = this.left + Math.round(pixel);
				finalVal += this.isFullWidth() ? this.margins.left : 0;
				return finalVal;
			} else {
				var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
				return this.top + (index * (innerHeight / (this.ticks.length - 1)));
			}
		},

		// Utility for getting the pixel location of a percentage of scale
		getPixelForDecimal: function(decimal/*, includeOffset*/) {
			if (this.isHorizontal()) {
				var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
				var valueOffset = (innerWidth * decimal) + this.paddingLeft;

				var finalVal = this.left + Math.round(valueOffset);
				finalVal += this.isFullWidth() ? this.margins.left : 0;
				return finalVal;
			} else {
				return this.top + (decimal * this.height);
			}
		},

		// Actualy draw the scale on the canvas
		// @param {rectangle} chartArea : the area of the chart to draw full grid lines on
		draw: function(chartArea) {
			if (this.options.display) {

				var setContextLineSettings;
				var isRotated = this.labelRotation !== 0;
				var skipRatio;
				var scaleLabelX;
				var scaleLabelY;
				var useAutoskipper = this.options.ticks.autoSkip;

				// Make sure we draw text in the correct color and font
				this.ctx.fillStyle = this.options.ticks.fontColor;
				var labelFont = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);

				var cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
				var sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
				var longestRotatedLabel = this.longestLabelWidth * cosRotation;
				var rotatedLabelHeight = this.options.ticks.fontSize * sinRotation;

				if (this.isHorizontal()) {
					setContextLineSettings = true;
					var yTickStart = this.options.position === "bottom" ? this.top : this.bottom - 10;
					var yTickEnd = this.options.position === "bottom" ? this.top + 10 : this.bottom;
					skipRatio = false;

					if (((longestRotatedLabel / 2) + this.options.ticks.autoSkipPadding) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) {
					    skipRatio = 1 + Math.floor((((longestRotatedLabel / 2) + this.options.ticks.autoSkipPadding) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight)));
					}

					if (!useAutoskipper) {
						skipRatio = false;
					}
					
					helpers.each(this.ticks, function(label, index) {
						// Blank ticks
						if ((skipRatio > 1 && index % skipRatio > 0) || (label === undefined || label === null)) {
							return;
						}
						var xLineValue = this.getPixelForTick(index); // xvalues for grid lines
						var xLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)

						if (this.options.gridLines.display) {
							if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
								// Draw the first index specially
								this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
								this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
								setContextLineSettings = true; // reset next time
							} else if (setContextLineSettings) {
								this.ctx.lineWidth = this.options.gridLines.lineWidth;
								this.ctx.strokeStyle = this.options.gridLines.color;
								setContextLineSettings = false;
							}

							xLineValue += helpers.aliasPixel(this.ctx.lineWidth);

							// Draw the label area
							this.ctx.beginPath();

							if (this.options.gridLines.drawTicks) {
								this.ctx.moveTo(xLineValue, yTickStart);
								this.ctx.lineTo(xLineValue, yTickEnd);
							}

							// Draw the chart area
							if (this.options.gridLines.drawOnChartArea) {
								this.ctx.moveTo(xLineValue, chartArea.top);
								this.ctx.lineTo(xLineValue, chartArea.bottom);
							}

							// Need to stroke in the loop because we are potentially changing line widths & colours
							this.ctx.stroke();
						}

						if (this.options.ticks.display) {
							this.ctx.save();
							this.ctx.translate(xLabelValue, (isRotated) ? this.top + 12 : this.options.position === "top" ? this.bottom - 10 : this.top + 10);
							this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
							this.ctx.font = labelFont;
							this.ctx.textAlign = (isRotated) ? "right" : "center";
							this.ctx.textBaseline = (isRotated) ? "middle" : this.options.position === "top" ? "bottom" : "top";
							this.ctx.fillText(label, 0, 0);
							this.ctx.restore();
						}
					}, this);

					if (this.options.scaleLabel.display) {
						// Draw the scale label
						this.ctx.textAlign = "center";
						this.ctx.textBaseline = 'middle';
						this.ctx.fillStyle = this.options.scaleLabel.fontColor; // render in correct colour
						this.ctx.font = helpers.fontString(this.options.scaleLabel.fontSize, this.options.scaleLabel.fontStyle, this.options.scaleLabel.fontFamily);

						scaleLabelX = this.left + ((this.right - this.left) / 2); // midpoint of the width
						scaleLabelY = this.options.position === 'bottom' ? this.bottom - (this.options.scaleLabel.fontSize / 2) : this.top + (this.options.scaleLabel.fontSize / 2);

						this.ctx.fillText(this.options.scaleLabel.labelString, scaleLabelX, scaleLabelY);
					}

				} else {
					setContextLineSettings = true;
					var xTickStart = this.options.position === "right" ? this.left : this.right - 5;
					var xTickEnd = this.options.position === "right" ? this.left + 5 : this.right;

					helpers.each(this.ticks, function(label, index) {
						// If the callback returned a null or undefined value, do not draw this line
						if (label === undefined || label === null) {
							return;
						}

						var yLineValue = this.getPixelForTick(index); // xvalues for grid lines

						if (this.options.gridLines.display) {
							if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
								// Draw the first index specially
								this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
								this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
								setContextLineSettings = true; // reset next time
							} else if (setContextLineSettings) {
								this.ctx.lineWidth = this.options.gridLines.lineWidth;
								this.ctx.strokeStyle = this.options.gridLines.color;
								setContextLineSettings = false;
							}

							yLineValue += helpers.aliasPixel(this.ctx.lineWidth);

							// Draw the label area
							this.ctx.beginPath();

							if (this.options.gridLines.drawTicks) {
								this.ctx.moveTo(xTickStart, yLineValue);
								this.ctx.lineTo(xTickEnd, yLineValue);
							}

							// Draw the chart area
							if (this.options.gridLines.drawOnChartArea) {
								this.ctx.moveTo(chartArea.left, yLineValue);
								this.ctx.lineTo(chartArea.right, yLineValue);
							}

							// Need to stroke in the loop because we are potentially changing line widths & colours
							this.ctx.stroke();
						}

						if (this.options.ticks.display) {
							var xLabelValue;
							var yLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)

							this.ctx.save();

							if (this.options.position === "left") {
								if (this.options.ticks.mirror) {
									xLabelValue = this.right + this.options.ticks.padding;
									this.ctx.textAlign = "left";
								} else {
									xLabelValue = this.right - this.options.ticks.padding;
									this.ctx.textAlign = "right";
								}
							} else {
								// right side
								if (this.options.ticks.mirror) {
									xLabelValue = this.left - this.options.ticks.padding;
									this.ctx.textAlign = "right";
								} else {
									xLabelValue = this.left + this.options.ticks.padding;
									this.ctx.textAlign = "left";
								}
							}


							this.ctx.translate(xLabelValue, yLabelValue);
							this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
							this.ctx.font = labelFont;
							this.ctx.textBaseline = "middle";
							this.ctx.fillText(label, 0, 0);
							this.ctx.restore();
						}
					}, this);

					if (this.options.scaleLabel.display) {
						// Draw the scale label
						scaleLabelX = this.options.position === 'left' ? this.left + (this.options.scaleLabel.fontSize / 2) : this.right - (this.options.scaleLabel.fontSize / 2);
						scaleLabelY = this.top + ((this.bottom - this.top) / 2);
						var rotation = this.options.position === 'left' ? -0.5 * Math.PI : 0.5 * Math.PI;

						this.ctx.save();
						this.ctx.translate(scaleLabelX, scaleLabelY);
						this.ctx.rotate(rotation);
						this.ctx.textAlign = "center";
						this.ctx.fillStyle = this.options.scaleLabel.fontColor; // render in correct colour
						this.ctx.font = helpers.fontString(this.options.scaleLabel.fontSize, this.options.scaleLabel.fontStyle, this.options.scaleLabel.fontFamily);
						this.ctx.textBaseline = 'middle';
						this.ctx.fillText(this.options.scaleLabel.labelString, 0, 0);
						this.ctx.restore();
					}
				}
			}
		}
	});

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.scaleService = {
		// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
		// use the new chart options to grab the correct scale
		constructors: {},
		// Use a registration function so that we can move to an ES6 map when we no longer need to support
		// old browsers

		// Scale config defaults
		defaults: {},
		registerScaleType: function(type, scaleConstructor, defaults) {
			this.constructors[type] = scaleConstructor;
			this.defaults[type] = helpers.clone(defaults);
		},
		getScaleConstructor: function(type) {
			return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
		},
		getScaleDefaults: function(type) {
			// Return the scale defaults merged with the global settings so that we always use the latest ones
			return this.defaults.hasOwnProperty(type) ? helpers.scaleMerge(Chart.defaults.scale, this.defaults[type]) : {};
		},
		addScalesToLayout: function(chartInstance) {
			// Adds each scale to the chart.boxes array to be sized accordingly
			helpers.each(chartInstance.scales, function(scale) {
				Chart.layoutService.addBox(chartInstance, scale);
			});
		},
	};


}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.title = {
		display: false,
		position: 'top',
		fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes)

		fontColor: '#666',
		fontFamily: 'Helvetica Neue',
		fontSize: 12,
		fontStyle: 'bold',
		padding: 10,

		// actual title
		text: '',
	};

	Chart.Title = Chart.Element.extend({

		initialize: function(config) {
			helpers.extend(this, config);
			this.options = helpers.configMerge(Chart.defaults.global.title, config.options);

			// Contains hit boxes for each dataset (in dataset order)
			this.legendHitBoxes = [];
		},

		// These methods are ordered by lifecyle. Utilities then follow.

		beforeUpdate: helpers.noop,
		update: function(maxWidth, maxHeight, margins) {

			// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
			this.beforeUpdate();

			// Absorb the master measurements
			this.maxWidth = maxWidth;
			this.maxHeight = maxHeight;
			this.margins = margins;

			// Dimensions
			this.beforeSetDimensions();
			this.setDimensions();
			this.afterSetDimensions();
			// Labels
			this.beforeBuildLabels();
			this.buildLabels();
			this.afterBuildLabels();

			// Fit
			this.beforeFit();
			this.fit();
			this.afterFit();
			//
			this.afterUpdate();

			return this.minSize;

		},
		afterUpdate: helpers.noop,

		//

		beforeSetDimensions: helpers.noop,
		setDimensions: function() {
			// Set the unconstrained dimension before label rotation
			if (this.isHorizontal()) {
				// Reset position before calculating rotation
				this.width = this.maxWidth;
				this.left = 0;
				this.right = this.width;
			} else {
				this.height = this.maxHeight;

				// Reset position before calculating rotation
				this.top = 0;
				this.bottom = this.height;
			}

			// Reset padding
			this.paddingLeft = 0;
			this.paddingTop = 0;
			this.paddingRight = 0;
			this.paddingBottom = 0;

			// Reset minSize
			this.minSize = {
				width: 0,
				height: 0,
			};
		},
		afterSetDimensions: helpers.noop,

		//

		beforeBuildLabels: helpers.noop,
		buildLabels: helpers.noop,
		afterBuildLabels: helpers.noop,

		//

		beforeFit: helpers.noop,
		fit: function() {

			var ctx = this.ctx;
			var titleFont = helpers.fontString(this.options.fontSize, this.options.fontStyle, this.options.fontFamily);

			// Width
			if (this.isHorizontal()) {
				this.minSize.width = this.maxWidth; // fill all the width
			} else {
				this.minSize.width = 0;
			}

			// height
			if (this.isHorizontal()) {
				this.minSize.height = 0;
			} else {
				this.minSize.height = this.maxHeight; // fill all the height
			}

			// Increase sizes here
			if (this.isHorizontal()) {

				// Title
				if (this.options.display) {
					this.minSize.height += this.options.fontSize + (this.options.padding * 2);
				}
			} else {
				// TODO vertical
			}

			this.width = this.minSize.width;
			this.height = this.minSize.height;

		},
		afterFit: helpers.noop,

		// Shared Methods
		isHorizontal: function() {
			return this.options.position == "top" || this.options.position == "bottom";
		},

		// Actualy draw the title block on the canvas
		draw: function() {
			if (this.options.display) {
				var ctx = this.ctx;
				var titleX, titleY;

				// Horizontal
				if (this.isHorizontal()) {
					// Title
					if (this.options.display) {

						ctx.textAlign = "center";
						ctx.textBaseline = 'middle';
						ctx.fillStyle = this.options.fontColor; // render in correct colour
						ctx.font = helpers.fontString(this.options.fontSize, this.options.fontStyle, this.options.fontFamily);

						titleX = this.left + ((this.right - this.left) / 2); // midpoint of the width
						titleY = this.top + ((this.bottom - this.top) / 2); // midpoint of the height

						ctx.fillText(this.options.text, titleX, titleY);
					}
				} else {

					// Title
					if (this.options.display) {
						titleX = this.options.position == 'left' ? this.left + (this.options.fontSize / 2) : this.right - (this.options.fontSize / 2);
						titleY = this.top + ((this.bottom - this.top) / 2);
						var rotation = this.options.position == 'left' ? -0.5 * Math.PI : 0.5 * Math.PI;

						ctx.save();
						ctx.translate(titleX, titleY);
						ctx.rotate(rotation);
						ctx.textAlign = "center";
						ctx.fillStyle = this.options.fontColor; // render in correct colour
						ctx.font = helpers.fontString(this.options.fontSize, this.options.fontStyle, this.options.fontFamily);
						ctx.textBaseline = 'middle';
						ctx.fillText(this.options.text, 0, 0);
						ctx.restore();

					}

				}
			}
		}
	});

}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.tooltips = {
		enabled: true,
		custom: null,
		mode: 'single',
		backgroundColor: "rgba(0,0,0,0.8)",
		titleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
		titleFontSize: 12,
		titleFontStyle: "bold",
		titleSpacing: 2,
		titleMarginBottom: 6,
		titleColor: "#fff",
		titleAlign: "left",
		bodyFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
		bodyFontSize: 12,
		bodyFontStyle: "normal",
		bodySpacing: 2,
		bodyColor: "#fff",
		bodyAlign: "left",
		footerFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
		footerFontSize: 12,
		footerFontStyle: "bold",
		footerSpacing: 2,
		footerMarginTop: 6,
		footerColor: "#fff",
		footerAlign: "left",
		yPadding: 6,
		xPadding: 6,
		caretSize: 5,
		cornerRadius: 6,
		multiKeyBackground: '#fff',
		callbacks: {
			// Args are: (tooltipItems, data)
			beforeTitle: helpers.noop,
			title: function(tooltipItems, data) {
				// Pick first xLabel for now
				var title = '';

				if (tooltipItems.length > 0) {
					if (tooltipItems[0].xLabel) {
						title = tooltipItems[0].xLabel;
					} else if (data.labels.length > 0 && tooltipItems[0].index < data.labels.length) {
						title = data.labels[tooltipItems[0].index];
					}
				}

				return title;
			},
			afterTitle: helpers.noop,

			// Args are: (tooltipItems, data)
			beforeBody: helpers.noop,

			// Args are: (tooltipItem, data)
			beforeLabel: helpers.noop,
			label: function(tooltipItem, data) {
				var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
				return datasetLabel + ': ' + tooltipItem.yLabel;
			},
			afterLabel: helpers.noop,

			// Args are: (tooltipItems, data)
			afterBody: helpers.noop,

			// Args are: (tooltipItems, data)
			beforeFooter: helpers.noop,
			footer: helpers.noop,
			afterFooter: helpers.noop,
		},
	};

	// Helper to push or concat based on if the 2nd parameter is an array or not
	function pushOrConcat(base, toPush) {
		if (toPush) {
			if (helpers.isArray(toPush)) {
				base = base.concat(toPush);
			} else {
				base.push(toPush);
			}
		}

		return base;
	}

	Chart.Tooltip = Chart.Element.extend({
		initialize: function() {
			var options = this._options;
			helpers.extend(this, {
				_model: {
					// Positioning
					xPadding: options.tooltips.xPadding,
					yPadding: options.tooltips.yPadding,

					// Body
					bodyColor: options.tooltips.bodyColor,
					_bodyFontFamily: options.tooltips.bodyFontFamily,
					_bodyFontStyle: options.tooltips.bodyFontStyle,
					_bodyAlign: options.tooltips.bodyAlign,
					bodyFontSize: options.tooltips.bodyFontSize,
					bodySpacing: options.tooltips.bodySpacing,

					// Title
					titleColor: options.tooltips.titleColor,
					_titleFontFamily: options.tooltips.titleFontFamily,
					_titleFontStyle: options.tooltips.titleFontStyle,
					titleFontSize: options.tooltips.titleFontSize,
					_titleAlign: options.tooltips.titleAlign,
					titleSpacing: options.tooltips.titleSpacing,
					titleMarginBottom: options.tooltips.titleMarginBottom,

					// Footer
					footerColor: options.tooltips.footerColor,
					_footerFontFamily: options.tooltips.footerFontFamily,
					_footerFontStyle: options.tooltips.footerFontStyle,
					footerFontSize: options.tooltips.footerFontSize,
					_footerAlign: options.tooltips.footerAlign,
					footerSpacing: options.tooltips.footerSpacing,
					footerMarginTop: options.tooltips.footerMarginTop,

					// Appearance
					caretSize: options.tooltips.caretSize,
					cornerRadius: options.tooltips.cornerRadius,
					backgroundColor: options.tooltips.backgroundColor,
					opacity: 0,
					legendColorBackground: options.tooltips.multiKeyBackground,
				},
			});
		},

		// Get the title
		// Args are: (tooltipItem, data)
		getTitle: function() {
			var beforeTitle = this._options.tooltips.callbacks.beforeTitle.apply(this, arguments),
				title = this._options.tooltips.callbacks.title.apply(this, arguments),
				afterTitle = this._options.tooltips.callbacks.afterTitle.apply(this, arguments);

			var lines = [];
			lines = pushOrConcat(lines, beforeTitle);
			lines = pushOrConcat(lines, title);
			lines = pushOrConcat(lines, afterTitle);

			return lines;
		},

		// Args are: (tooltipItem, data)
		getBeforeBody: function() {
			var lines = this._options.tooltips.callbacks.beforeBody.apply(this, arguments);
			return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];
		},

		// Args are: (tooltipItem, data)
		getBody: function(tooltipItems, data) {
			var lines = [];

			helpers.each(tooltipItems, function(bodyItem) {
				var beforeLabel = this._options.tooltips.callbacks.beforeLabel.call(this, bodyItem, data) || '';
				var bodyLabel = this._options.tooltips.callbacks.label.call(this, bodyItem, data) || '';
				var afterLabel = this._options.tooltips.callbacks.afterLabel.call(this, bodyItem, data) || '';

				lines.push(beforeLabel + bodyLabel + afterLabel);
			}, this);

			return lines;
		},

		// Args are: (tooltipItem, data)
		getAfterBody: function() {
			var lines = this._options.tooltips.callbacks.afterBody.apply(this, arguments);
			return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];
		},

		// Get the footer and beforeFooter and afterFooter lines
		// Args are: (tooltipItem, data)
		getFooter: function() {
			var beforeFooter = this._options.tooltips.callbacks.beforeFooter.apply(this, arguments);
			var footer = this._options.tooltips.callbacks.footer.apply(this, arguments);
			var afterFooter = this._options.tooltips.callbacks.afterFooter.apply(this, arguments);

			var lines = [];
			lines = pushOrConcat(lines, beforeFooter);
			lines = pushOrConcat(lines, footer);
			lines = pushOrConcat(lines, afterFooter);

			return lines;
		},

		getAveragePosition: function(elements){

			if(!elements.length){
				return false;
			}

			var xPositions = [];
			var yPositions = [];

			helpers.each(elements, function(el){
				if(el) {
					var pos = el.tooltipPosition();
					xPositions.push(pos.x);
					yPositions.push(pos.y);
				}
			});

			var x = 0, y = 0;
			for (var i = 0; i < xPositions.length; i++) {
				x += xPositions[i];
				y += yPositions[i];
			}

			return {
				x: Math.round(x / xPositions.length),
				y: Math.round(y / xPositions.length)
			};

		},

		update: function(changed) {
			if (this._active.length){
				this._model.opacity = 1;

				var element = this._active[0],
					labelColors = [],
					tooltipPosition;

				var tooltipItems = [];

				if (this._options.tooltips.mode === 'single') {
					var yScale = element._yScale || element._scale; // handle radar || polarArea charts
					tooltipItems.push({
						xLabel: element._xScale ? element._xScale.getLabelForIndex(element._index, element._datasetIndex) : '',
						yLabel: yScale ? yScale.getLabelForIndex(element._index, element._datasetIndex) : '',
						index: element._index,
						datasetIndex: element._datasetIndex,
					});
					tooltipPosition = this.getAveragePosition(this._active);
				} else {
					helpers.each(this._data.datasets, function(dataset, datasetIndex) {
						if (!helpers.isDatasetVisible(dataset)) {
							return;
						}
						var currentElement = dataset.metaData[element._index];
						if (currentElement) {
							var yScale = element._yScale || element._scale; // handle radar || polarArea charts

							tooltipItems.push({
								xLabel: currentElement._xScale ? currentElement._xScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '',
								yLabel: yScale ? yScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '',
								index: element._index,
								datasetIndex: datasetIndex,
							});
						}
					});

					helpers.each(this._active, function(active) {
						if (active) {
						  labelColors.push({
						  	borderColor: active._view.borderColor,
						  	backgroundColor: active._view.backgroundColor
						  });
						}
					}, this);

					tooltipPosition = this.getAveragePosition(this._active);
					tooltipPosition.y = this._active[0]._yScale.getPixelForDecimal(0.5);
				}

				// Build the Text Lines
				helpers.extend(this._model, {
					title: this.getTitle(tooltipItems, this._data),
					beforeBody: this.getBeforeBody(tooltipItems, this._data),
					body: this.getBody(tooltipItems, this._data),
					afterBody: this.getAfterBody(tooltipItems, this._data),
					footer: this.getFooter(tooltipItems, this._data),
				});

				helpers.extend(this._model, {
					x: Math.round(tooltipPosition.x),
					y: Math.round(tooltipPosition.y),
					caretPadding: helpers.getValueOrDefault(tooltipPosition.padding, 2),
					labelColors: labelColors,
				});

				// We need to determine alignment of 
				var tooltipSize = this.getTooltipSize(this._model);
				this.determineAlignment(tooltipSize); // Smart Tooltip placement to stay on the canvas

				helpers.extend(this._model, this.getBackgroundPoint(this._model, tooltipSize));
			}
			else{
				this._model.opacity = 0;
			}

			if (changed && this._options.tooltips.custom) {
				this._options.tooltips.custom.call(this, this._model);
			}

			return this;
		},
		getTooltipSize: function getTooltipSize(vm) {
			var ctx = this._chart.ctx;

			var size = {
				height: vm.yPadding * 2, // Tooltip Padding
				width: 0
			};
			var combinedBodyLength = vm.body.length + vm.beforeBody.length + vm.afterBody.length;

			size.height += vm.title.length * vm.titleFontSize; // Title Lines
			size.height += (vm.title.length - 1) * vm.titleSpacing; // Title Line Spacing
			size.height += vm.title.length ? vm.titleMarginBottom : 0; // Title's bottom Margin
			size.height += combinedBodyLength * vm.bodyFontSize; // Body Lines
			size.height += combinedBodyLength ? (combinedBodyLength - 1) * vm.bodySpacing : 0; // Body Line Spacing
			size.height += vm.footer.length ? vm.footerMarginTop : 0; // Footer Margin
			size.height += vm.footer.length * (vm.footerFontSize); // Footer Lines
			size.height += vm.footer.length ? (vm.footer.length - 1) * vm.footerSpacing : 0; // Footer Line Spacing

			// Width
			ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
			helpers.each(vm.title, function(line) {
				size.width = Math.max(size.width, ctx.measureText(line).width);
			});

			ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
			helpers.each(vm.beforeBody.concat(vm.afterBody), function(line) {
				size.width = Math.max(size.width, ctx.measureText(line).width);
			}, this);
			helpers.each(vm.body, function(line) {
				size.width = Math.max(size.width, ctx.measureText(line).width + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0));
			}, this);

			ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
			helpers.each(vm.footer, function(line) {
				size.width = Math.max(size.width, ctx.measureText(line).width);
			});
			size.width += 2 * vm.xPadding;

			return size;
		},
		determineAlignment: function determineAlignment(size) {
			this._model.xAlign = this._model.yAlign = "center";

			if (this._model.y < size.height) {
				this._model.yAlign = 'top';
			} else if (this._model.y > (this._chart.height - size.height)) {
				this._model.yAlign = 'bottom';
			}

			var lf, rf;
			var _this = this;
			var midX = (this._chartInstance.chartArea.left + this._chartInstance.chartArea.right) / 2;

			if (this._model.yAlign === 'center') {
				lf = function(x) { return x <= midX; };
				rf = function(x) { return x > midX; };
			} else {
				lf = function(x) { return x <= (size.width / 2); };
				rf = function(x) { return x >= (_this._chart.width - (size.width / 2)); };
			}

			if (lf(this._model.x)) {
				this._model.xAlign = 'left';
			} else if (rf(this._model.x)) {
				this._model.xAlign = 'right';
			}
		},
		getBackgroundPoint: function getBackgroundPoint(vm, size) {
			// Background Position
			var pt = {
				x: vm.x,
				y: vm.y
			};

			if (vm.xAlign === 'right') {
				pt.x -= size.width;
			} else if (vm.xAlign === 'center') {
				pt.x -= (size.width / 2);
			}

			if (vm.yAlign === 'top') {
				pt.y += vm.caretPadding + vm.caretSize;
			} else if (vm.yAlign === 'bottom') {
				pt.y -= size.height + vm.caretPadding + vm.caretSize;
			} else {
				pt.y -= (size.height / 2);
			}

			if (vm.yAlign == 'center') {
				if (vm.xAlign === 'left') {
					pt.x += vm.caretPadding + vm.caretSize;
				} else if (vm.xAlign === 'right') {
					pt.x -= vm.caretPadding + vm.caretSize;
				}
			} else {
				if (vm.xAlign === 'left') {
					pt.x -= vm.cornerRadius + vm.caretPadding;
				} else if (vm.xAlign === 'right') {
					pt.x += vm.cornerRadius + vm.caretPadding;
				}
			}

			return pt;
		},
		drawCaret: function drawCaret(tooltipPoint, size, opacity, caretPadding) {
			var vm = this._view;
			var ctx = this._chart.ctx;
			var x1, x2, x3;
			var y1, y2, y3;

			if (vm.yAlign === 'center') {
				// Left or right side
				if (vm.xAlign === 'left') {
					x1 = tooltipPoint.x;
					x2 = x1 - vm.caretSize;
					x3 = x1;
				} else {
					x1 = tooltipPoint.x + size.width;
					x2 = x1 + vm.caretSize;
					x3 = x1;
				}

				y2 = tooltipPoint.y + (size.height / 2);
				y1 = y2 - vm.caretSize;
				y3 = y2 + vm.caretSize;
			} else {
				if (vm.xAlign === 'left') {
					x1 = tooltipPoint.x + vm.cornerRadius;
					x2 = x1 + vm.caretSize;
					x3 = x2 + vm.caretSize;
				} else if (vm.xAlign === 'right') {
					x1 = tooltipPoint.x + size.width - vm.cornerRadius;
					x2 = x1 - vm.caretSize;
					x3 = x2 - vm.caretSize;
				} else {
					x2 = tooltipPoint.x + (size.width / 2);
					x1 = x2 - vm.caretSize;
					x3 = x2 + vm.caretSize;
				}

				if (vm.yAlign === 'top') {
					y1 = tooltipPoint.y;
					y2 = y1 - vm.caretSize;
					y3 = y1;
				} else {
					y1 = tooltipPoint.y + size.height;
					y2 = y1 + vm.caretSize;
					y3 = y1;
				}
			}

			ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(opacity).rgbString();
			ctx.beginPath();
			ctx.moveTo(x1, y1);
			ctx.lineTo(x2, y2);
			ctx.lineTo(x3, y3);
			ctx.closePath();
			ctx.fill();
		},
		drawTitle: function drawTitle(pt, vm, ctx, opacity) {
			if (vm.title.length) {
				ctx.textAlign = vm._titleAlign;
				ctx.textBaseline = "top";
				ctx.fillStyle = helpers.color(vm.titleColor).alpha(opacity).rgbString();
				ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily);

				helpers.each(vm.title, function(title, i) {
					ctx.fillText(title, pt.x, pt.y);
					pt.y += vm.titleFontSize + vm.titleSpacing; // Line Height and spacing
					
					if (i + 1 === vm.title.length) {
						pt.y += vm.titleMarginBottom - vm.titleSpacing; // If Last, add margin, remove spacing
					}
				}, this);
			}
		},
		drawBody: function drawBody(pt, vm, ctx, opacity) {
			ctx.textAlign = vm._bodyAlign;
			ctx.textBaseline = "top";
			ctx.fillStyle = helpers.color(vm.bodyColor).alpha(opacity).rgbString();
			ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);

			// Before Body
			helpers.each(vm.beforeBody, function(beforeBody) {
				ctx.fillText(beforeBody, pt.x, pt.y);
				pt.y += vm.bodyFontSize + vm.bodySpacing;
			});

			helpers.each(vm.body, function(body, i) {
				// Draw Legend-like boxes if needed
				if (this._options.tooltips.mode !== 'single') {
					// Fill a white rect so that colours merge nicely if the opacity is < 1
					ctx.fillStyle = helpers.color(vm.legendColorBackground).alpha(opacity).rgbaString();
					ctx.fillRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize);

					// Border
					ctx.strokeStyle = helpers.color(vm.labelColors[i].borderColor).alpha(opacity).rgbaString();
					ctx.strokeRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize);

					// Inner square
					ctx.fillStyle = helpers.color(vm.labelColors[i].backgroundColor).alpha(opacity).rgbaString();
					ctx.fillRect(pt.x + 1, pt.y + 1, vm.bodyFontSize - 2, vm.bodyFontSize - 2);

					ctx.fillStyle = helpers.color(vm.bodyColor).alpha(opacity).rgbaString(); // Return fill style for text
				}

				// Body Line
				ctx.fillText(body, pt.x + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0), pt.y);

				pt.y += vm.bodyFontSize + vm.bodySpacing;
			}, this);

			// After Body
			helpers.each(vm.afterBody, function(afterBody) {
				ctx.fillText(afterBody, pt.x, pt.y);
				pt.y += vm.bodyFontSize;
			});

			pt.y -= vm.bodySpacing; // Remove last body spacing
		},
		drawFooter: function drawFooter(pt, vm, ctx, opacity) {
			if (vm.footer.length) {
				pt.y += vm.footerMarginTop;

				ctx.textAlign = vm._footerAlign;
				ctx.textBaseline = "top";
				ctx.fillStyle = helpers.color(vm.footerColor).alpha(opacity).rgbString();
				ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);

				helpers.each(vm.footer, function(footer) {
					ctx.fillText(footer, pt.x, pt.y);
					pt.y += vm.footerFontSize + vm.footerSpacing;
				}, this);
			}
		},
		draw: function draw() {
			var ctx = this._chart.ctx;
			var vm = this._view;

			if (vm.opacity === 0) {
				return;
			}

			var caretPadding = vm.caretPadding;
			var tooltipSize = this.getTooltipSize(vm);
			var pt = {
				x: vm.x,
				y: vm.y
			};

			// IE11/Edge does not like very small opacities, so snap to 0
			var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;

			if (this._options.tooltips.enabled) {
				// Draw Background
				ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(opacity).rgbString();
				helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius);
				ctx.fill();

				// Draw Caret
				this.drawCaret(pt, tooltipSize, opacity, caretPadding);
				
				// Draw Title, Body, and Footer
				pt.x += vm.xPadding;
				pt.y += vm.yPadding;

				// Titles
				this.drawTitle(pt, vm, ctx, opacity);

				// Body
				this.drawBody(pt, vm, ctx, opacity);

				// Footer
				this.drawFooter(pt, vm, ctx, opacity);
			}
		}
	});

}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.bar = {
		hover: {
			mode: "label"
		},

		scales: {
			xAxes: [{
				type: "category",

				// Specific to Bar Controller
				categoryPercentage: 0.8,
				barPercentage: 0.9,

				// grid line settings
				gridLines: {
					offsetGridLines: true,
				},
			}],
			yAxes: [{
				type: "linear",
			}],
		},
	};

	Chart.controllers.bar = Chart.DatasetController.extend({
		initialize: function(chart, datasetIndex) {
			Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex);

			// Use this to indicate that this is a bar dataset. 
			this.getDataset().bar = true;
		},
		// Get the number of datasets that display bars. We use this to correctly calculate the bar width
		getBarCount: function getBarCount() {
			var barCount = 0;
			helpers.each(this.chart.data.datasets, function(dataset) {
				if (helpers.isDatasetVisible(dataset) && dataset.bar) {
					++barCount;
				}
			}, this);
			return barCount;
		},

		addElements: function() {
			this.getDataset().metaData = this.getDataset().metaData || [];
			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Rectangle({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
				});
			}, this);
		},
		addElementAndReset: function(index) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var rectangle = new Chart.elements.Rectangle({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			var numBars = this.getBarCount();

			this.updateElement(rectangle, index, true, numBars);
			this.getDataset().metaData.splice(index, 0, rectangle);
		},

		update: function update(reset) {
			var numBars = this.getBarCount();

			helpers.each(this.getDataset().metaData, function(rectangle, index) {
				this.updateElement(rectangle, index, reset, numBars);
			}, this);
		},

		updateElement: function updateElement(rectangle, index, reset, numBars) {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var yScale = this.getScaleForId(this.getDataset().yAxisID);

			var yScalePoint;

			if (yScale.min < 0 && yScale.max < 0) {
				// all less than 0. use the top
				yScalePoint = yScale.getPixelForValue(yScale.max);
			} else if (yScale.min > 0 && yScale.max > 0) {
				yScalePoint = yScale.getPixelForValue(yScale.min);
			} else {
				yScalePoint = yScale.getPixelForValue(0);
			}

			helpers.extend(rectangle, {
				// Utility
				_chart: this.chart.chart,
				_xScale: xScale,
				_yScale: yScale,
				_datasetIndex: this.index,
				_index: index,


				// Desired view properties
				_model: {
					x: this.calculateBarX(index, this.index),
					y: reset ? yScalePoint : this.calculateBarY(index, this.index),

					// Tooltip
					label: this.chart.data.labels[index],
					datasetLabel: this.getDataset().label,

					// Appearance
					base: this.calculateBarBase(this.index, index),
					width: this.calculateBarWidth(numBars),
					backgroundColor: rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor),
					borderColor: rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor),
					borderWidth: rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth),
				},
			});
			rectangle.pivot();
		},

		calculateBarBase: function(datasetIndex, index) {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var yScale = this.getScaleForId(this.getDataset().yAxisID);

			var base = 0;

			if (yScale.options.stacked) {

				var value = this.chart.data.datasets[datasetIndex].data[index];

				if (value < 0) {
					for (var i = 0; i < datasetIndex; i++) {
						var negDS = this.chart.data.datasets[i];
						if (helpers.isDatasetVisible(negDS) && negDS.yAxisID === yScale.id) {
							base += negDS.data[index] < 0 ? negDS.data[index] : 0;
						}
					}
				} else {
					for (var j = 0; j < datasetIndex; j++) {
						var posDS = this.chart.data.datasets[j];
						if (helpers.isDatasetVisible(posDS) && posDS.yAxisID === yScale.id) {
							base += posDS.data[index] > 0 ? posDS.data[index] : 0;
						}
					}
				}

				return yScale.getPixelForValue(base);
			}

			base = yScale.getPixelForValue(yScale.min);

			if (yScale.beginAtZero || ((yScale.min <= 0 && yScale.max >= 0) || (yScale.min >= 0 && yScale.max <= 0))) {
				base = yScale.getPixelForValue(0, 0);
				//base += yScale.options.gridLines.lineWidth;
			} else if (yScale.min < 0 && yScale.max < 0) {
				// All values are negative. Use the top as the base
				base = yScale.getPixelForValue(yScale.max);
			}

			return base;

		},

		getRuler: function() {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var datasetCount = this.getBarCount();

			var tickWidth = (function() {
				var min = xScale.getPixelForTick(1) - xScale.getPixelForTick(0);
				for (var i = 2; i < this.getDataset().data.length; i++) {
					min = Math.min(xScale.getPixelForTick(i) - xScale.getPixelForTick(i - 1), min);
				}
				return min;
			}).call(this);
			var categoryWidth = tickWidth * xScale.options.categoryPercentage;
			var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2;
			var fullBarWidth = categoryWidth / datasetCount;
			var barWidth = fullBarWidth * xScale.options.barPercentage;
			var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage);

			return {
				datasetCount: datasetCount,
				tickWidth: tickWidth,
				categoryWidth: categoryWidth,
				categorySpacing: categorySpacing,
				fullBarWidth: fullBarWidth,
				barWidth: barWidth,
				barSpacing: barSpacing,
			};
		},

		calculateBarWidth: function() {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var ruler = this.getRuler();

			if (xScale.options.stacked) {
				return ruler.categoryWidth;
			}

			return ruler.barWidth;

		},

		// Get bar index from the given dataset index accounting for the fact that not all bars are visible
		getBarIndex: function(datasetIndex) {
			var barIndex = 0;

			for (var j = 0; j < datasetIndex; ++j) {
				if (helpers.isDatasetVisible(this.chart.data.datasets[j]) && this.chart.data.datasets[j].bar) {
					++barIndex;
				}
			}

			return barIndex;
		},

		calculateBarX: function(index, datasetIndex) {

			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var barIndex = this.getBarIndex(datasetIndex);

			var ruler = this.getRuler();
			var leftTick = xScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo);
			leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0;

			if (xScale.options.stacked) {
				return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing;
			}

			return leftTick +
				(ruler.barWidth / 2) +
				ruler.categorySpacing +
				(ruler.barWidth * barIndex) +
				(ruler.barSpacing / 2) +
				(ruler.barSpacing * barIndex);
		},

		calculateBarY: function(index, datasetIndex) {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var yScale = this.getScaleForId(this.getDataset().yAxisID);

			var value = this.getDataset().data[index];

			if (yScale.options.stacked) {

				var sumPos = 0,
					sumNeg = 0;

				for (var i = 0; i < datasetIndex; i++) {
					var ds = this.chart.data.datasets[i];
					if (helpers.isDatasetVisible(ds)) {
						if (ds.data[index] < 0) {
							sumNeg += ds.data[index] || 0;
						} else {
							sumPos += ds.data[index] || 0;
						}
					}
				}

				if (value < 0) {
					return yScale.getPixelForValue(sumNeg + value);
				} else {
					return yScale.getPixelForValue(sumPos + value);
				}

				return yScale.getPixelForValue(value);
			}

			return yScale.getPixelForValue(value);
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;
			helpers.each(this.getDataset().metaData, function(rectangle, index) {
				rectangle.transition(easingDecimal).draw();
			}, this);
		},

		setHoverStyle: function(rectangle) {
			var dataset = this.chart.data.datasets[rectangle._datasetIndex];
			var index = rectangle._index;

			rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.hoverBackgroundColor ? rectangle.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(rectangle._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			rectangle._model.borderColor = rectangle.custom && rectangle.custom.hoverBorderColor ? rectangle.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(rectangle._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			rectangle._model.borderWidth = rectangle.custom && rectangle.custom.hoverBorderWidth ? rectangle.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, rectangle._model.borderWidth);
		},

		removeHoverStyle: function(rectangle) {
			var dataset = this.chart.data.datasets[rectangle._datasetIndex];
			var index = rectangle._index;

			rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor);
			rectangle._model.borderColor = rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor);
			rectangle._model.borderWidth = rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth);
		}

	});



}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.bubble = {
		hover: {
			mode: "single"
		},

		scales: {
			xAxes: [{
				type: "linear", // bubble should probably use a linear scale by default
				position: "bottom",
				id: "x-axis-0", // need an ID so datasets can reference the scale
			}],
			yAxes: [{
				type: "linear",
				position: "left",
				id: "y-axis-0",
			}],
		},

		tooltips: {
			template: "(<%= value.x %>, <%= value.y %>, <%= value.r %>)",
			multiTemplate: "<%if (datasetLabel){%><%=datasetLabel%>: <%}%>(<%= value.x %>, <%= value.y %>, <%= value.r %>)",
		},
	};


	Chart.controllers.bubble = Chart.DatasetController.extend({
		addElements: function() {

			this.getDataset().metaData = this.getDataset().metaData || [];

			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
				});
			}, this);
		},
		addElementAndReset: function(index) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var point = new Chart.elements.Point({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			// Reset the point
			this.updateElement(point, index, true);

			// Add to the points array
			this.getDataset().metaData.splice(index, 0, point);
		},

		update: function update(reset) {
			var points = this.getDataset().metaData;

			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var scaleBase;

			if (yScale.min < 0 && yScale.max < 0) {
				scaleBase = yScale.getPixelForValue(yScale.max);
			} else if (yScale.min > 0 && yScale.max > 0) {
				scaleBase = yScale.getPixelForValue(yScale.min);
			} else {
				scaleBase = yScale.getPixelForValue(0);
			}

			// Update Points
			helpers.each(points, function(point, index) {
				this.updateElement(point, index, reset);
			}, this);

		},

		updateElement: function(point, index, reset) {
			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var scaleBase;

			if (yScale.min < 0 && yScale.max < 0) {
				scaleBase = yScale.getPixelForValue(yScale.max);
			} else if (yScale.min > 0 && yScale.max > 0) {
				scaleBase = yScale.getPixelForValue(yScale.min);
			} else {
				scaleBase = yScale.getPixelForValue(0);
			}

			helpers.extend(point, {
				// Utility
				_chart: this.chart.chart,
				_xScale: xScale,
				_yScale: yScale,
				_datasetIndex: this.index,
				_index: index,

				// Desired view properties
				_model: {
					x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
					y: reset ? scaleBase : yScale.getPixelForValue(this.getDataset().data[index], index, this.index),
					// Appearance
					radius: reset ? 0 : point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[index]),
					backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor),
					borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor),
					borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth),

					// Tooltip
					hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius),
				},
			});

			point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));

			point.pivot();
		},

		getRadius: function(value) {
			return value.r || this.chart.options.elements.point.radius;
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;

			// Transition and Draw the Points
			helpers.each(this.getDataset().metaData, function(point, index) {
				point.transition(easingDecimal);
				point.draw();
			}, this);

		},

		setHoverStyle: function(point) {
			// Point
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, this.chart.options.elements.point.hoverRadius)) + this.getRadius(this.getDataset().data[point._index]);
			point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, point._model.borderWidth);
		},

		removeHoverStyle: function(point) {
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[point._index]);
			point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor);
			point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor);
			point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth);
		}
	});
}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		//Cache a local reference to Chart.helpers
		helpers = Chart.helpers;

	Chart.defaults.doughnut = {
		animation: {
			//Boolean - Whether we animate the rotation of the Doughnut
			animateRotate: true,
			//Boolean - Whether we animate scaling the Doughnut from the centre
			animateScale: false,
		},
		aspectRatio: 1,
		hover: {
			mode: 'single'
		},
		legendCallback: function(chart) {
			var text = [];
			text.push('<ul class="' + chart.id + '-legend">');

			if (chart.data.datasets.length) {
				for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
					text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
					if (chart.data.labels[i]) {
						text.push(chart.data.labels[i]);
					}
					text.push('</span></li>');
				}
			}

			text.push('</ul>');
			return text.join("");
		},
		legend: {
			labels: {
				generateLabels: function(data) {
					return data.labels.map(function(label, i) {
						return {
							text: label,
							fillStyle: data.datasets[0].backgroundColor[i],
							hidden: isNaN(data.datasets[0].data[i]),

							// Extra data used for toggling the correct item
							index: i
						};
					});
				}
			},
			onClick: function(e, legendItem) {
				helpers.each(this.chart.data.datasets, function(dataset) {
					dataset.metaHiddenData = dataset.metaHiddenData || [];
					var idx = legendItem.index;

					if (!isNaN(dataset.data[idx])) {
						dataset.metaHiddenData[idx] = dataset.data[idx];
						dataset.data[idx] = NaN;
					} else if (!isNaN(dataset.metaHiddenData[idx])) {
						dataset.data[idx] = dataset.metaHiddenData[idx];
					}
				});

				this.chart.update();
			}
		},

		//The percentage of the chart that we cut out of the middle.
		cutoutPercentage: 50,

		// Need to override these to give a nice default
		tooltips: {
			callbacks: {
				title: function() { return '';},
				label: function(tooltipItem, data) {
					return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
				}
			}
		}
	};

	Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut);
	helpers.extend(Chart.defaults.pie, {
		cutoutPercentage: 0
	});


	Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({
		linkScales: function() {
			// no scales for doughnut
		},

		addElements: function() {
			this.getDataset().metaData = this.getDataset().metaData || [];
			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
				});
			}, this);
		},
		addElementAndReset: function(index, colorForNewElement) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var arc = new Chart.elements.Arc({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			if (colorForNewElement && helpers.isArray(this.getDataset().backgroundColor)) {
				this.getDataset().backgroundColor.splice(index, 0, colorForNewElement);
			}

			// Reset the point
			this.updateElement(arc, index, true);

			// Add to the points array
			this.getDataset().metaData.splice(index, 0, arc);
		},

		getVisibleDatasetCount: function getVisibleDatasetCount() {
			return helpers.where(this.chart.data.datasets, function(ds) { return helpers.isDatasetVisible(ds); }).length;
		},

		// Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
		getRingIndex: function getRingIndex(datasetIndex) {
			var ringIndex = 0;

			for (var j = 0; j < datasetIndex; ++j) {
				if (helpers.isDatasetVisible(this.chart.data.datasets[j])) {
					++ringIndex;
				}
			}

			return ringIndex;
		},

		update: function update(reset) {
			var minSize = Math.min(this.chart.chartArea.right - this.chart.chartArea.left, this.chart.chartArea.bottom - this.chart.chartArea.top);

			this.chart.outerRadius = Math.max((minSize / 2) - this.chart.options.elements.arc.borderWidth / 2, 0);
			this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
			this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.getVisibleDatasetCount();

			this.getDataset().total = 0;
			helpers.each(this.getDataset().data, function(value) {
				if (!isNaN(value)) {
					this.getDataset().total += Math.abs(value);
				}
			}, this);

			this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.getRingIndex(this.index));
			this.innerRadius = this.outerRadius - this.chart.radiusLength;

			helpers.each(this.getDataset().metaData, function(arc, index) {
				this.updateElement(arc, index, reset);
			}, this);
		},
		updateElement: function(arc, index, reset) {
			var centerX = (this.chart.chartArea.left + this.chart.chartArea.right) / 2;
			var centerY = (this.chart.chartArea.top + this.chart.chartArea.bottom) / 2;

			var resetModel = {
				x: centerX,
				y: centerY,
				startAngle: Math.PI * -0.5, // use - PI / 2 instead of 3PI / 2 to make animations better. It means that we never deal with overflow during the transition function
				endAngle: Math.PI * -0.5,
				circumference: (this.chart.options.animation.animateRotate) ? 0 : this.calculateCircumference(this.getDataset().data[index]),
				outerRadius: (this.chart.options.animation.animateScale) ? 0 : this.outerRadius,
				innerRadius: (this.chart.options.animation.animateScale) ? 0 : this.innerRadius
			};

			helpers.extend(arc, {
				// Utility
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,

				// Desired view properties
				_model: reset ? resetModel : {
					x: centerX,
					y: centerY,
					circumference: this.calculateCircumference(this.getDataset().data[index]),
					outerRadius: this.outerRadius,
					innerRadius: this.innerRadius,

					backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
					hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
					borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
					borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),

					label: helpers.getValueAtIndexOrDefault(this.getDataset().label, index, this.chart.data.labels[index])
				},
			});

			if (!reset) {

				if (index === 0) {
					arc._model.startAngle = Math.PI * -0.5; // use - PI / 2 instead of 3PI / 2 to make animations better. It means that we never deal with overflow during the transition function
				} else {
					arc._model.startAngle = this.getDataset().metaData[index - 1]._model.endAngle;
				}

				arc._model.endAngle = arc._model.startAngle + arc._model.circumference;


				//Check to see if it's the last arc, if not get the next and update its start angle
				if (index < this.getDataset().data.length - 1) {
					this.getDataset().metaData[index + 1]._model.startAngle = arc._model.endAngle;
				}
			}

			arc.pivot();
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;
			helpers.each(this.getDataset().metaData, function(arc, index) {
				arc.transition(easingDecimal).draw();
			}, this);
		},

		setHoverStyle: function(arc) {
			var dataset = this.chart.data.datasets[arc._datasetIndex];
			var index = arc._index;

			arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, arc._model.borderWidth);
		},

		removeHoverStyle: function(arc) {
			var dataset = this.chart.data.datasets[arc._datasetIndex];
			var index = arc._index;

			arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
			arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
			arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
		},

		calculateCircumference: function(value) {
			if (this.getDataset().total > 0 && !isNaN(value)) {
				return (Math.PI * 1.999999) * (value / this.getDataset().total);
			} else {
				return 0;
			}
		},

	});


}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.line = {
		hover: {
			mode: "label"
		},

		scales: {
			xAxes: [{
				type: "category",
				id: 'x-axis-0'
			}],
			yAxes: [{
				type: "linear",
				id: 'y-axis-0'
			}],
		},
	};


	Chart.controllers.line = Chart.DatasetController.extend({
		addElements: function() {

			this.getDataset().metaData = this.getDataset().metaData || [];

			this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_points: this.getDataset().metaData,
			});

			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
				});
			}, this);
		},
		addElementAndReset: function(index) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var point = new Chart.elements.Point({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			// Reset the point
			this.updateElement(point, index, true);

			// Add to the points array
			this.getDataset().metaData.splice(index, 0, point);

			// Make sure bezier control points are updated
			this.updateBezierControlPoints();
		},

		update: function update(reset) {
			var line = this.getDataset().metaDataset;
			var points = this.getDataset().metaData;

			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var scaleBase;

			if (yScale.min < 0 && yScale.max < 0) {
				scaleBase = yScale.getPixelForValue(yScale.max);
			} else if (yScale.min > 0 && yScale.max > 0) {
				scaleBase = yScale.getPixelForValue(yScale.min);
			} else {
				scaleBase = yScale.getPixelForValue(0);
			}

			// Update Line
			helpers.extend(line, {
				// Utility
				_scale: yScale,
				_datasetIndex: this.index,
				// Data
				_children: points,
				// Model
				_model: {
					// Appearance
					tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
					backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
					borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
					borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),
					borderCapStyle: line.custom && line.custom.borderCapStyle ? line.custom.borderCapStyle : (this.getDataset().borderCapStyle || this.chart.options.elements.line.borderCapStyle),
					borderDash: line.custom && line.custom.borderDash ? line.custom.borderDash : (this.getDataset().borderDash || this.chart.options.elements.line.borderDash),
					borderDashOffset: line.custom && line.custom.borderDashOffset ? line.custom.borderDashOffset : (this.getDataset().borderDashOffset || this.chart.options.elements.line.borderDashOffset),
					borderJoinStyle: line.custom && line.custom.borderJoinStyle ? line.custom.borderJoinStyle : (this.getDataset().borderJoinStyle || this.chart.options.elements.line.borderJoinStyle),
					fill: line.custom && line.custom.fill ? line.custom.fill : (this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill),
					// Scale
					scaleTop: yScale.top,
					scaleBottom: yScale.bottom,
					scaleZero: scaleBase,
				},
			});
			line.pivot();

			// Update Points
			helpers.each(points, function(point, index) {
				this.updateElement(point, index, reset);
			}, this);

			this.updateBezierControlPoints();
		},

		getPointBackgroundColor: function(point, index) {
			var backgroundColor = this.chart.options.elements.point.backgroundColor;
			var dataset = this.getDataset();

			if (point.custom && point.custom.backgroundColor) {
				backgroundColor = point.custom.backgroundColor;
			} else if (dataset.pointBackgroundColor) {
				backgroundColor = helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);
			} else if (dataset.backgroundColor) {
				backgroundColor = dataset.backgroundColor;
			}

			return backgroundColor;
		},
		getPointBorderColor: function(point, index) {
			var borderColor = this.chart.options.elements.point.borderColor;
			var dataset = this.getDataset();

			if (point.custom && point.custom.borderColor) {
				borderColor = point.custom.borderColor;
			} else if (dataset.pointBorderColor) {
				borderColor = helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, borderColor);
			} else if (dataset.borderColor) {
				borderColor = dataset.borderColor;
			}

			return borderColor;
		},
		getPointBorderWidth: function(point, index) {
			var borderWidth = this.chart.options.elements.point.borderWidth;
			var dataset = this.getDataset();

			if (point.custom && point.custom.borderWidth !== undefined) {
				borderWidth = point.custom.borderWidth;
			} else if (dataset.pointBorderWidth !== undefined) {
				borderWidth = helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);
			} else if (dataset.borderWidth !== undefined) {
				borderWidth = dataset.borderWidth;
			}

			return borderWidth;
		},

		updateElement: function(point, index, reset) {
			var yScale = this.getScaleForId(this.getDataset().yAxisID);
			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var scaleBase;

			if (yScale.min < 0 && yScale.max < 0) {
				scaleBase = yScale.getPixelForValue(yScale.max);
			} else if (yScale.min > 0 && yScale.max > 0) {
				scaleBase = yScale.getPixelForValue(yScale.min);
			} else {
				scaleBase = yScale.getPixelForValue(0);
			}

			helpers.extend(point, {
				// Utility
				_chart: this.chart.chart,
				_xScale: xScale,
				_yScale: yScale,
				_datasetIndex: this.index,
				_index: index,

				// Desired view properties
				_model: {
					x: xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
					y: reset ? scaleBase : this.calculatePointY(this.getDataset().data[index], index, this.index, this.chart.isCombo),
					// Appearance
					tension: point.custom && point.custom.tension ? point.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
					radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius),
					backgroundColor: this.getPointBackgroundColor(point, index),
					borderColor: this.getPointBorderColor(point, index),
					borderWidth: this.getPointBorderWidth(point, index),
					// Tooltip
					hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius),
				},
			});

			point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
		},

		calculatePointY: function(value, index, datasetIndex, isCombo) {

			var xScale = this.getScaleForId(this.getDataset().xAxisID);
			var yScale = this.getScaleForId(this.getDataset().yAxisID);

			if (yScale.options.stacked) {

				var sumPos = 0,
					sumNeg = 0;

				for (var i = this.chart.data.datasets.length - 1; i > datasetIndex; i--) {
					var ds = this.chart.data.datasets[i];
					if (helpers.isDatasetVisible(ds)) {
						if (ds.data[index] < 0) {
							sumNeg += ds.data[index] || 0;
						} else {
							sumPos += ds.data[index] || 0;
						}
					}
				}

				if (value < 0) {
					return yScale.getPixelForValue(sumNeg + value);
				} else {
					return yScale.getPixelForValue(sumPos + value);
				}

				return yScale.getPixelForValue(value);
			}

			return yScale.getPixelForValue(value);
		},

		updateBezierControlPoints: function() {
			// Update bezier control points
			helpers.each(this.getDataset().metaData, function(point, index) {
				var controlPoints = helpers.splineCurve(
					helpers.previousItem(this.getDataset().metaData, index)._model,
					point._model,
					helpers.nextItem(this.getDataset().metaData, index)._model,
					point._model.tension
				);

				// Prevent the bezier going outside of the bounds of the graph
				point._model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, this.chart.chartArea.right), this.chart.chartArea.left);
				point._model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, this.chart.chartArea.bottom), this.chart.chartArea.top);

				point._model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, this.chart.chartArea.right), this.chart.chartArea.left);
				point._model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, this.chart.chartArea.bottom), this.chart.chartArea.top);

				// Now pivot the point for animation
				point.pivot();
			}, this);
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;

			// Transition Point Locations
			helpers.each(this.getDataset().metaData, function(point, index) {
				point.transition(easingDecimal);
			}, this);

			// Transition and Draw the line
			this.getDataset().metaDataset.transition(easingDecimal).draw();

			// Draw the points
			helpers.each(this.getDataset().metaData, function(point) {
				point.draw();
			});
		},

		setHoverStyle: function(point) {
			// Point
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
			point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, point._model.borderWidth);
		},

		removeHoverStyle: function(point) {
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
			point._model.backgroundColor = this.getPointBackgroundColor(point, index);
			point._model.borderColor = this.getPointBorderColor(point, index);
			point._model.borderWidth = this.getPointBorderWidth(point, index);
		}
	});
}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		//Cache a local reference to Chart.helpers
		helpers = Chart.helpers;


	Chart.defaults.polarArea = {

		scale: {
			type: "radialLinear",
			lineArc: true, // so that lines are circular
		},

		//Boolean - Whether to animate the rotation of the chart
		animateRotate: true,
		animateScale: true,

		aspectRatio: 1,
		legendCallback: function(chart) {
			var text = [];
			text.push('<ul class="' + chart.id + '-legend">');

			if (chart.data.datasets.length) {
				for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
					text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
					if (chart.data.labels[i]) {
						text.push(chart.data.labels[i]);
					}
					text.push('</span></li>');
				}
			}

			text.push('</ul>');
			return text.join("");
		},
		legend: {
			labels: {
				generateLabels: function(data) {
					return data.labels.map(function(label, i) {
						return {
							text: label,
							fillStyle: data.datasets[0].backgroundColor[i],
							hidden: isNaN(data.datasets[0].data[i]),

							// Extra data used for toggling the correct item
							index: i
						};
					});
				}
			},
			onClick: function(e, legendItem) {
				helpers.each(this.chart.data.datasets, function(dataset) {
					dataset.metaHiddenData = dataset.metaHiddenData || [];
					var idx = legendItem.index;

					if (!isNaN(dataset.data[idx])) {
						dataset.metaHiddenData[idx] = dataset.data[idx];
						dataset.data[idx] = NaN;
					} else if (!isNaN(dataset.metaHiddenData[idx])) {
						dataset.data[idx] = dataset.metaHiddenData[idx];
					}
				});

				this.chart.update();
			}
		},

		// Need to override these to give a nice default
		tooltips: {
			callbacks: {
				title: function() { return ''; },
				label: function(tooltipItem, data) {
					return data.labels[tooltipItem.index] + ': ' + tooltipItem.yLabel;
				}
			}
		}
	};

	Chart.controllers.polarArea = Chart.DatasetController.extend({
		linkScales: function() {
			// no scales for doughnut
		},
		addElements: function() {
			this.getDataset().metaData = this.getDataset().metaData || [];
			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
				});
			}, this);
		},
		addElementAndReset: function(index) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var arc = new Chart.elements.Arc({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			// Reset the point
			this.updateElement(arc, index, true);

			// Add to the points array
			this.getDataset().metaData.splice(index, 0, arc);
		},
		getVisibleDatasetCount: function getVisibleDatasetCount() {
			return helpers.where(this.chart.data.datasets, function(ds) { return helpers.isDatasetVisible(ds); }).length;
		},

		update: function update(reset) {
			var minSize = Math.min(this.chart.chartArea.right - this.chart.chartArea.left, this.chart.chartArea.bottom - this.chart.chartArea.top);
			this.chart.outerRadius = Math.max((minSize - this.chart.options.elements.arc.borderWidth / 2) / 2, 0);
			this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
			this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.getVisibleDatasetCount();

			this.getDataset().total = 0;
			helpers.each(this.getDataset().data, function(value) {
				this.getDataset().total += Math.abs(value);
			}, this);

			this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.index);
			this.innerRadius = this.outerRadius - this.chart.radiusLength;

			helpers.each(this.getDataset().metaData, function(arc, index) {
				this.updateElement(arc, index, reset);
			}, this);
		},

		updateElement: function(arc, index, reset) {
			var circumference = this.calculateCircumference(this.getDataset().data[index]);
			var centerX = (this.chart.chartArea.left + this.chart.chartArea.right) / 2;
			var centerY = (this.chart.chartArea.top + this.chart.chartArea.bottom) / 2;

			// If there is NaN data before us, we need to calculate the starting angle correctly. 
			// We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data
			var notNullIndex = 0;
			for (var i = 0; i < index; ++i) {
				if (!isNaN(this.getDataset().data[i])) {
					++notNullIndex;
				}
			}

			var startAngle = (-0.5 * Math.PI) + (circumference * notNullIndex);
			var endAngle = startAngle + circumference;

			var resetModel = {
				x: centerX,
				y: centerY,
				innerRadius: 0,
				outerRadius: this.chart.options.animateScale ? 0 : this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
				startAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : startAngle,
				endAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : endAngle,

				backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
				hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
				borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
				borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),

				label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
			};

			helpers.extend(arc, {
				// Utility
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
				_scale: this.chart.scale,

				// Desired view properties
				_model: reset ? resetModel : {
					x: centerX,
					y: centerY,
					innerRadius: 0,
					outerRadius: this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
					startAngle: startAngle,
					endAngle: endAngle,

					backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
					hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
					borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
					borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),

					label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
				},
			});

			arc.pivot();
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;
			helpers.each(this.getDataset().metaData, function(arc, index) {
				arc.transition(easingDecimal).draw();
			}, this);
		},

		setHoverStyle: function(arc) {
			var dataset = this.chart.data.datasets[arc._datasetIndex];
			var index = arc._index;

			arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, arc._model.borderWidth);
		},

		removeHoverStyle: function(arc) {
			var dataset = this.chart.data.datasets[arc._datasetIndex];
			var index = arc._index;

			arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
			arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
			arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
		},

		calculateCircumference: function(value) {
			if (isNaN(value)) {
				return 0;
			} else {
				// Count the number of NaN values 
				var numNaN = helpers.where(this.getDataset().data, function(data) {
					return isNaN(data);
				}).length;

				return (2 * Math.PI) / (this.getDataset().data.length - numNaN);
			}
		}
	});
}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;



	Chart.defaults.radar = {
		scale: {
			type: "radialLinear",
		},
		elements: {
			line: {
				tension: 0, // no bezier in radar
			}
		},
	};

	Chart.controllers.radar = Chart.DatasetController.extend({
		linkScales: function() {
			// No need. Single scale only
		},

		addElements: function() {

			this.getDataset().metaData = this.getDataset().metaData || [];

			this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_points: this.getDataset().metaData,
				_loop: true
			});

			helpers.each(this.getDataset().data, function(value, index) {
				this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
					_chart: this.chart.chart,
					_datasetIndex: this.index,
					_index: index,
					_model: {
						x: 0, //xScale.getPixelForValue(null, index, true),
						y: 0, //this.chartArea.bottom,
					},
				});
			}, this);
		},
		addElementAndReset: function(index) {
			this.getDataset().metaData = this.getDataset().metaData || [];
			var point = new Chart.elements.Point({
				_chart: this.chart.chart,
				_datasetIndex: this.index,
				_index: index,
			});

			// Reset the point
			this.updateElement(point, index, true);

			// Add to the points array
			this.getDataset().metaData.splice(index, 0, point);

			// Make sure bezier control points are updated
			this.updateBezierControlPoints();
		},

		update: function update(reset) {

			var line = this.getDataset().metaDataset;
			var points = this.getDataset().metaData;

			var scale = this.chart.scale;
			var scaleBase;

			if (scale.min < 0 && scale.max < 0) {
				scaleBase = scale.getPointPositionForValue(0, scale.max);
			} else if (scale.min > 0 && scale.max > 0) {
				scaleBase = scale.getPointPositionForValue(0, scale.min);
			} else {
				scaleBase = scale.getPointPositionForValue(0, 0);
			}

			helpers.extend(this.getDataset().metaDataset, {
				// Utility
				_datasetIndex: this.index,
				// Data
				_children: this.getDataset().metaData,
				// Model
				_model: {
					// Appearance
					tension: helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
					backgroundColor: this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor,
					borderWidth: this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth,
					borderColor: this.getDataset().borderColor || this.chart.options.elements.line.borderColor,
					fill: this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill, // use the value from the this.getDataset() if it was provided. else fall back to the default

					// Scale
					scaleTop: scale.top,
					scaleBottom: scale.bottom,
					scaleZero: scaleBase,
				},
			});

			this.getDataset().metaDataset.pivot();

			// Update Points
			helpers.each(points, function(point, index) {
				this.updateElement(point, index, reset);
			}, this);


			// Update bezier control points
			this.updateBezierControlPoints();
		},
		updateElement: function(point, index, reset) {
			var pointPosition = this.chart.scale.getPointPositionForValue(index, this.getDataset().data[index]);

			helpers.extend(point, {
				// Utility
				_datasetIndex: this.index,
				_index: index,
				_scale: this.chart.scale,

				// Desired view properties
				_model: {
					x: reset ? this.chart.scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales
					y: reset ? this.chart.scale.yCenter : pointPosition.y,

					// Appearance
					tension: point.custom && point.custom.tension ? point.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
					radius: point.custom && point.custom.radius ? point.custom.pointRadius : helpers.getValueAtIndexOrDefault(this.getDataset().pointRadius, index, this.chart.options.elements.point.radius),
					backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor),
					borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor),
					borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth),

					// Tooltip
					hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius),
				},
			});

			point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
		},
		updateBezierControlPoints: function() {
			helpers.each(this.getDataset().metaData, function(point, index) {
				var controlPoints = helpers.splineCurve(
					helpers.previousItem(this.getDataset().metaData, index, true)._model,
					point._model,
					helpers.nextItem(this.getDataset().metaData, index, true)._model,
					point._model.tension
				);

				// Prevent the bezier going outside of the bounds of the graph
				point._model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, this.chart.chartArea.right), this.chart.chartArea.left);
				point._model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, this.chart.chartArea.bottom), this.chart.chartArea.top);

				point._model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, this.chart.chartArea.right), this.chart.chartArea.left);
				point._model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, this.chart.chartArea.bottom), this.chart.chartArea.top);

				// Now pivot the point for animation
				point.pivot();
			}, this);
		},

		draw: function(ease) {
			var easingDecimal = ease || 1;

			// Transition Point Locations
			helpers.each(this.getDataset().metaData, function(point, index) {
				point.transition(easingDecimal);
			}, this);

			// Transition and Draw the line
			this.getDataset().metaDataset.transition(easingDecimal).draw();

			// Draw the points
			helpers.each(this.getDataset().metaData, function(point) {
				point.draw();
			});
		},

		setHoverStyle: function(point) {
			// Point
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
			point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
			point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, point._model.borderWidth);
		},

		removeHoverStyle: function(point) {
			var dataset = this.chart.data.datasets[point._datasetIndex];
			var index = point._index;

			point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
			point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor);
			point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor);
			point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth);
		}
	});
}).call(this);

(function() {
    "use strict";

    var root = this,
        Chart = root.Chart,
        helpers = Chart.helpers;

    // Default config for a category scale
    var defaultConfig = {
        position: "bottom",
    };

    var DatasetScale = Chart.Scale.extend({
        buildTicks: function(index) {
            this.ticks = this.chart.data.labels;
        },

        getLabelForIndex: function(index, datasetIndex) {
            return this.ticks[index];
        },

        // Used to get data value locations.  Value can either be an index or a numerical value
        getPixelForValue: function(value, index, datasetIndex, includeOffset) {
            if (this.isHorizontal()) {
                var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
                var valueWidth = innerWidth / Math.max((this.chart.data.labels.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
                var widthOffset = (valueWidth * index) + this.paddingLeft;

                if (this.options.gridLines.offsetGridLines && includeOffset) {
                    widthOffset += (valueWidth / 2);
                }

                return this.left + Math.round(widthOffset);
            } else {
                var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
                var valueHeight = innerHeight / Math.max((this.chart.data.labels.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
                var heightOffset = (valueHeight * index) + this.paddingTop;

                if (this.options.gridLines.offsetGridLines && includeOffset) {
                    heightOffset += (valueHeight / 2);
                }

                return this.top + Math.round(heightOffset);
            }
        },
    });

    Chart.scaleService.registerScaleType("category", DatasetScale, defaultConfig);

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	var defaultConfig = {
		position: "left",
		ticks: {
			callback: function(tickValue, index, ticks) {
				var delta = ticks[1] - ticks[0];

				// If we have a number like 2.5 as the delta, figure out how many decimal places we need
				if (Math.abs(delta) > 1) {
					if (tickValue !== Math.floor(tickValue)) {
						// not an integer
						delta = tickValue - Math.floor(tickValue);
					}
				}

				var logDelta = helpers.log10(Math.abs(delta));
				var tickString = '';

				if (tickValue !== 0) {
					var numDecimal = -1 * Math.floor(logDelta);
					numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
					tickString = tickValue.toFixed(numDecimal);
				} else {
					tickString = '0'; // never show decimal places for 0
				}

				return tickString;
			}
		}
	};

	var LinearScale = Chart.Scale.extend({
		determineDataLimits: function() {
			// First Calculate the range
			this.min = null;
			this.max = null;

			if (this.options.stacked) {
				var valuesPerType = {};

				helpers.each(this.chart.data.datasets, function(dataset) {
					if (valuesPerType[dataset.type] === undefined) {
						valuesPerType[dataset.type] = {
							positiveValues: [],
							negativeValues: [],
						};
					}

					// Store these per type
					var positiveValues = valuesPerType[dataset.type].positiveValues;
					var negativeValues = valuesPerType[dataset.type].negativeValues;

					if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
						helpers.each(dataset.data, function(rawValue, index) {

							var value = +this.getRightValue(rawValue);
							if (isNaN(value)) {
								return;
							}

							positiveValues[index] = positiveValues[index] || 0;
							negativeValues[index] = negativeValues[index] || 0;

							if (this.options.relativePoints) {
								positiveValues[index] = 100;
							} else {
								if (value < 0) {
									negativeValues[index] += value;
								} else {
									positiveValues[index] += value;
								}
							}
						}, this);
					}
				}, this);

				helpers.each(valuesPerType, function(valuesForType) {
					var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);
					var minVal = helpers.min(values);
					var maxVal = helpers.max(values);
					this.min = this.min === null ? minVal : Math.min(this.min, minVal);
					this.max = this.max === null ? maxVal : Math.max(this.max, maxVal);
				}, this);

			} else {
				helpers.each(this.chart.data.datasets, function(dataset) {
					if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
						helpers.each(dataset.data, function(rawValue, index) {
							var value = +this.getRightValue(rawValue);
							if (isNaN(value)) {
								return;
							}

							if (this.min === null) {
								this.min = value;
							} else if (value < this.min) {
								this.min = value;
							}

							if (this.max === null) {
								this.max = value;
							} else if (value > this.max) {
								this.max = value;
							}
						}, this);
					}
				}, this);
			}

			// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
			// do nothing since that would make the chart weird. If the user really wants a weird chart
			// axis, they can manually override it
			if (this.options.ticks.beginAtZero) {
				var minSign = helpers.sign(this.min);
				var maxSign = helpers.sign(this.max);

				if (minSign < 0 && maxSign < 0) {
					// move the top up to 0
					this.max = 0;
				} else if (minSign > 0 && maxSign > 0) {
					// move the botttom down to 0
					this.min = 0;
				}
			}

			if (this.options.ticks.min !== undefined) {
				this.min = this.options.ticks.min;
			} else if (this.options.ticks.suggestedMin !== undefined) {
				this.min = Math.min(this.min, this.options.ticks.suggestedMin);
			}

			if (this.options.ticks.max !== undefined) {
				this.max = this.options.ticks.max;
			} else if (this.options.ticks.suggestedMax !== undefined) {
				this.max = Math.max(this.max, this.options.ticks.suggestedMax);
			}

			if (this.min === this.max) {
				this.min--;
				this.max++;
			}
		},
		buildTicks: function() {

			// Then calulate the ticks
			this.ticks = [];

			// Figure out what the max number of ticks we can support it is based on the size of
			// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
			// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on 
			// the graph

			var maxTicks;

			if (this.isHorizontal()) {
				maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11,
				                    Math.ceil(this.width / 50));
			} else {
				// The factor of 2 used to scale the font size has been experimentally determined.
				maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11,
				                    Math.ceil(this.height / (2 * this.options.ticks.fontSize)));
			}

			// Make sure we always have at least 2 ticks 
			maxTicks = Math.max(2, maxTicks);

			// To get a "nice" value for the tick spacing, we will use the appropriately named 
			// "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
			// for details.

			var niceRange = helpers.niceNum(this.max - this.min, false);
			var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
			var niceMin = Math.floor(this.min / spacing) * spacing;
			var niceMax = Math.ceil(this.max / spacing) * spacing;

			var numSpaces = Math.ceil((niceMax - niceMin) / spacing);

			// Put the values into the ticks array
			this.ticks.push(this.options.ticks.min !== undefined ? this.options.ticks.min : niceMin);
			for (var j = 1; j < numSpaces; ++j) {
				this.ticks.push(niceMin + (j * spacing));
			}
			this.ticks.push(this.options.ticks.max !== undefined ? this.options.ticks.max : niceMax);

			if (this.options.position == "left" || this.options.position == "right") {
				// We are in a vertical orientation. The top value is the highest. So reverse the array
				this.ticks.reverse();
			}

			// At this point, we need to update our max and min given the tick values since we have expanded the
			// range of the scale
			this.max = helpers.max(this.ticks);
			this.min = helpers.min(this.ticks);
			this.ticksAsNumbers = this.ticks.slice();

			if (this.options.ticks.reverse) {
				this.ticks.reverse();

				this.start = this.max;
				this.end = this.min;
			} else {
				this.start = this.min;
				this.end = this.max;
			}

			this.zeroLineIndex = this.ticks.indexOf(0);
		},

		getLabelForIndex: function(index, datasetIndex) {
			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
		},

		// Utils
		getPixelForValue: function(value, index, datasetIndex, includeOffset) {
			// This must be called after fit has been run so that 
			//      this.left, this.top, this.right, and this.bottom have been defined
			var rightValue = +this.getRightValue(value);
			var pixel;
			var range = this.end - this.start;

			if (this.isHorizontal()) {
				var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
				pixel = this.left + (innerWidth / range * (rightValue - this.start));
				return Math.round(pixel + this.paddingLeft);
			} else {
				var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
				pixel = (this.bottom - this.paddingBottom) - (innerHeight / range * (rightValue - this.start));
				return Math.round(pixel);
			}
		},
		getPixelForTick: function(index, includeOffset) {
			return this.getPixelForValue(this.ticksAsNumbers[index], null, null, includeOffset);
		},
	});
	Chart.scaleService.registerScaleType("linear", LinearScale, defaultConfig);

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	var defaultConfig = {
		position: "left",

		// label settings
		ticks: {
			callback: function(value, index, arr) {
				var remain = value / (Math.pow(10, Math.floor(Chart.helpers.log10(value))));

				if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === arr.length - 1) {
					return value.toExponential();
				} else {
					return '';
				}
			}
		}
	};

	var LogarithmicScale = Chart.Scale.extend({
		determineDataLimits: function() {
			// Calculate Range
			this.min = null;
			this.max = null;

			if (this.options.stacked) {
				var valuesPerType = {};

				helpers.each(this.chart.data.datasets, function(dataset) {
					if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
						if (valuesPerType[dataset.type] === undefined) {
							valuesPerType[dataset.type] = [];
						}

						helpers.each(dataset.data, function(rawValue, index) {
							var values = valuesPerType[dataset.type];
							var value = +this.getRightValue(rawValue);
							if (isNaN(value)) {
								return;
							}

							values[index] = values[index] || 0;

							if (this.options.relativePoints) {
								values[index] = 100;
							} else {
								// Don't need to split positive and negative since the log scale can't handle a 0 crossing
								values[index] += value;
							}
						}, this);
					}
				}, this);

				helpers.each(valuesPerType, function(valuesForType) {
					var minVal = helpers.min(valuesForType);
					var maxVal = helpers.max(valuesForType);
					this.min = this.min === null ? minVal : Math.min(this.min, minVal);
					this.max = this.max === null ? maxVal : Math.max(this.max, maxVal);
				}, this);

			} else {
				helpers.each(this.chart.data.datasets, function(dataset) {
					if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
						helpers.each(dataset.data, function(rawValue, index) {
							var value = +this.getRightValue(rawValue);
							if (isNaN(value)) {
								return;
							}

							if (this.min === null) {
								this.min = value;
							} else if (value < this.min) {
								this.min = value;
							}

							if (this.max === null) {
								this.max = value;
							} else if (value > this.max) {
								this.max = value;
							}
						}, this);
					}
				}, this);
			}

			this.min = this.options.ticks.min !== undefined ? this.options.ticks.min : this.min;
			this.max = this.options.ticks.max !== undefined ? this.options.ticks.max : this.max;

			if (this.min === this.max) {
				if (this.min !== 0 && this.min !== null) {
					this.min = Math.pow(10, Math.floor(helpers.log10(this.min)) - 1);
					this.max = Math.pow(10, Math.floor(helpers.log10(this.max)) + 1);
				} else {
					this.min = 1;
					this.max = 10;
				}
			}
		},
		buildTicks: function() {
			// Reset the ticks array. Later on, we will draw a grid line at these positions
			// The array simply contains the numerical value of the spots where ticks will be
			this.tickValues = [];

			// Figure out what the max number of ticks we can support it is based on the size of
			// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
			// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on 
			// the graph

			var tickVal = this.options.ticks.min !== undefined ? this.options.ticks.min : Math.pow(10, Math.floor(helpers.log10(this.min)));

			while (tickVal < this.max) {
				this.tickValues.push(tickVal);

				var exp = Math.floor(helpers.log10(tickVal));
				var significand = Math.floor(tickVal / Math.pow(10, exp)) + 1;

				if (significand === 10) {
					significand = 1;
					++exp;
				}

				tickVal = significand * Math.pow(10, exp);
			}

			var lastTick = this.options.ticks.max !== undefined ? this.options.ticks.max : tickVal;
			this.tickValues.push(lastTick);

			if (this.options.position == "left" || this.options.position == "right") {
				// We are in a vertical orientation. The top value is the highest. So reverse the array
				this.tickValues.reverse();
			}

			// At this point, we need to update our max and min given the tick values since we have expanded the
			// range of the scale
			this.max = helpers.max(this.tickValues);
			this.min = helpers.min(this.tickValues);

			if (this.options.ticks.reverse) {
				this.tickValues.reverse();

				this.start = this.max;
				this.end = this.min;
			} else {
				this.start = this.min;
				this.end = this.max;
			}

			this.ticks = this.tickValues.slice();
		},
		// Get the correct tooltip label
		getLabelForIndex: function(index, datasetIndex) {
			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
		},
		getPixelForTick: function(index, includeOffset) {
			return this.getPixelForValue(this.tickValues[index], null, null, includeOffset);
		},
		getPixelForValue: function(value, index, datasetIndex, includeOffset) {
			var pixel;

			var newVal = +this.getRightValue(value);
			var range = helpers.log10(this.end) - helpers.log10(this.start);

			if (this.isHorizontal()) {

				if (newVal === 0) {
					pixel = this.left + this.paddingLeft;
				} else {
					var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
					pixel = this.left + (innerWidth / range * (helpers.log10(newVal) - helpers.log10(this.start)));
					return pixel + this.paddingLeft;
				}
			} else {
				// Bottom - top since pixels increase downard on a screen
				if (newVal === 0) {
					pixel = this.top + this.paddingTop;
				} else {
					var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
					return (this.bottom - this.paddingBottom) - (innerHeight / range * (helpers.log10(newVal) - helpers.log10(this.start)));
				}
			}

		},

	});
	Chart.scaleService.registerScaleType("logarithmic", LogarithmicScale, defaultConfig);

}).call(this);

(function() {
	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	var defaultConfig = {
		display: true,

		//Boolean - Whether to animate scaling the chart from the centre
		animate: true,
		lineArc: false,
		position: "chartArea",

		angleLines: {
			display: true,
			color: "rgba(0, 0, 0, 0.1)",
			lineWidth: 1
		},

		// label settings
		ticks: {
			//Boolean - Show a backdrop to the scale label
			showLabelBackdrop: true,

			//String - The colour of the label backdrop
			backdropColor: "rgba(255,255,255,0.75)",

			//Number - The backdrop padding above & below the label in pixels
			backdropPaddingY: 2,

			//Number - The backdrop padding to the side of the label in pixels
			backdropPaddingX: 2,
		},

		pointLabels: {
			//String - Point label font declaration
			fontFamily: "'Arial'",

			//String - Point label font weight
			fontStyle: "normal",

			//Number - Point label font size in pixels
			fontSize: 10,

			//String - Point label font colour
			fontColor: "#666",
		},
	};

	var LinearRadialScale = Chart.Scale.extend({
		getValueCount: function() {
			return this.chart.data.labels.length;
		},
		setDimensions: function() {
			// Set the unconstrained dimension before label rotation
			this.width = this.maxWidth;
			this.height = this.maxHeight;
			this.xCenter = Math.round(this.width / 2);
			this.yCenter = Math.round(this.height / 2);

			var minSize = helpers.min([this.height, this.width]);
			this.drawingArea = (this.options.display) ? (minSize / 2) - (this.options.ticks.fontSize / 2 + this.options.ticks.backdropPaddingY) : (minSize / 2);
		},
		determineDataLimits: function() {
			this.min = null;
			this.max = null;

			helpers.each(this.chart.data.datasets, function(dataset) {
				if (helpers.isDatasetVisible(dataset)) {
					helpers.each(dataset.data, function(rawValue, index) {
						var value = +this.getRightValue(rawValue);
						if (isNaN(value)) {
							return;
						}

						if (this.min === null) {
							this.min = value;
						} else if (value < this.min) {
							this.min = value;
						}

						if (this.max === null) {
							this.max = value;
						} else if (value > this.max) {
							this.max = value;
						}
					}, this);
				}
			}, this);

			if (this.min === this.max) {
				this.min--;
				this.max++;
			}

			// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
			// do nothing since that would make the chart weird. If the user really wants a weird chart
			// axis, they can manually override it
			if (this.options.ticks.beginAtZero) {
				var minSign = helpers.sign(this.min);
				var maxSign = helpers.sign(this.max);

				if (minSign < 0 && maxSign < 0) {
					// move the top up to 0
					this.max = 0;
				} else if (minSign > 0 && maxSign > 0) {
					// move the botttom down to 0
					this.min = 0;
				}
			}
		},
		buildTicks: function() {
			

			this.ticks = [];

			// Figure out what the max number of ticks we can support it is based on the size of
			// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
			// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on 
			// the graph
			var maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11,
			                        Math.ceil(this.drawingArea / (1.5 * this.options.ticks.fontSize)));
			maxTicks = Math.max(2, maxTicks); // Make sure we always have at least 2 ticks 

			// To get a "nice" value for the tick spacing, we will use the appropriately named 
			// "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
			// for details.

			var niceRange = helpers.niceNum(this.max - this.min, false);
			var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
			var niceMin = Math.floor(this.min / spacing) * spacing;
			var niceMax = Math.ceil(this.max / spacing) * spacing;

			// Put the values into the ticks array
			for (var j = niceMin; j <= niceMax; j += spacing) {
				this.ticks.push(j);
			}

			// At this point, we need to update our max and min given the tick values since we have expanded the
			// range of the scale
			this.max = helpers.max(this.ticks);
			this.min = helpers.min(this.ticks);

			if (this.options.ticks.reverse) {
				this.ticks.reverse();

				this.start = this.max;
				this.end = this.min;
			} else {
				this.start = this.min;
				this.end = this.max;
			}

			this.zeroLineIndex = this.ticks.indexOf(0);
		},
		getLabelForIndex: function(index, datasetIndex) {
			return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
		},
		getCircumference: function() {
			return ((Math.PI * 2) / this.getValueCount());
		},
		fit: function() {
			/*
			 * Right, this is really confusing and there is a lot of maths going on here
			 * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
			 *
			 * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
			 *
			 * Solution:
			 *
			 * We assume the radius of the polygon is half the size of the canvas at first
			 * at each index we check if the text overlaps.
			 *
			 * Where it does, we store that angle and that index.
			 *
			 * After finding the largest index and angle we calculate how much we need to remove
			 * from the shape radius to move the point inwards by that x.
			 *
			 * We average the left and right distances to get the maximum shape radius that can fit in the box
			 * along with labels.
			 *
			 * Once we have that, we can find the centre point for the chart, by taking the x text protrusion
			 * on each side, removing that from the size, halving it and adding the left x protrusion width.
			 *
			 * This will mean we have a shape fitted to the canvas, as large as it can be with the labels
			 * and position it in the most space efficient manner
			 *
			 * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
			 */


			// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
			// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
			var largestPossibleRadius = helpers.min([(this.height / 2 - this.options.pointLabels.fontSize - 5), this.width / 2]),
				pointPosition,
				i,
				textWidth,
				halfTextWidth,
				furthestRight = this.width,
				furthestRightIndex,
				furthestRightAngle,
				furthestLeft = 0,
				furthestLeftIndex,
				furthestLeftAngle,
				xProtrusionLeft,
				xProtrusionRight,
				radiusReductionRight,
				radiusReductionLeft,
				maxWidthRadius;
			this.ctx.font = helpers.fontString(this.options.pointLabels.fontSize, this.options.pointLabels.fontStyle, this.options.pointLabels.fontFamily);
			for (i = 0; i < this.getValueCount(); i++) {
				// 5px to space the text slightly out - similar to what we do in the draw function.
				pointPosition = this.getPointPosition(i, largestPossibleRadius);
				textWidth = this.ctx.measureText(this.options.ticks.callback(this.chart.data.labels[i])).width + 5;
				if (i === 0 || i === this.getValueCount() / 2) {
					// If we're at index zero, or exactly the middle, we're at exactly the top/bottom
					// of the radar chart, so text will be aligned centrally, so we'll half it and compare
					// w/left and right text sizes
					halfTextWidth = textWidth / 2;
					if (pointPosition.x + halfTextWidth > furthestRight) {
						furthestRight = pointPosition.x + halfTextWidth;
						furthestRightIndex = i;
					}
					if (pointPosition.x - halfTextWidth < furthestLeft) {
						furthestLeft = pointPosition.x - halfTextWidth;
						furthestLeftIndex = i;
					}
				} else if (i < this.getValueCount() / 2) {
					// Less than half the values means we'll left align the text
					if (pointPosition.x + textWidth > furthestRight) {
						furthestRight = pointPosition.x + textWidth;
						furthestRightIndex = i;
					}
				} else if (i > this.getValueCount() / 2) {
					// More than half the values means we'll right align the text
					if (pointPosition.x - textWidth < furthestLeft) {
						furthestLeft = pointPosition.x - textWidth;
						furthestLeftIndex = i;
					}
				}
			}

			xProtrusionLeft = furthestLeft;
			xProtrusionRight = Math.ceil(furthestRight - this.width);

			furthestRightAngle = this.getIndexAngle(furthestRightIndex);
			furthestLeftAngle = this.getIndexAngle(furthestLeftIndex);

			radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI / 2);
			radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI / 2);

			// Ensure we actually need to reduce the size of the chart
			radiusReductionRight = (helpers.isNumber(radiusReductionRight)) ? radiusReductionRight : 0;
			radiusReductionLeft = (helpers.isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0;

			this.drawingArea = Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2);
			this.setCenterPoint(radiusReductionLeft, radiusReductionRight);
		},
		setCenterPoint: function(leftMovement, rightMovement) {

			var maxRight = this.width - rightMovement - this.drawingArea,
				maxLeft = leftMovement + this.drawingArea;

			this.xCenter = Math.round(((maxLeft + maxRight) / 2) + this.left);
			// Always vertically in the centre as the text height doesn't change
			this.yCenter = Math.round((this.height / 2) + this.top);
		},

		getIndexAngle: function(index) {
			var angleMultiplier = (Math.PI * 2) / this.getValueCount();
			// Start from the top instead of right, so remove a quarter of the circle

			return index * angleMultiplier - (Math.PI / 2);
		},
		getDistanceFromCenterForValue: function(value) {
			if (value === null) {
				return 0; // null always in center	
			} 
			
			// Take into account half font size + the yPadding of the top value
			var scalingFactor = this.drawingArea / (this.max - this.min);
			if (this.options.reverse) {
				return (this.max - value) * scalingFactor;
			} else {
				return (value - this.min) * scalingFactor;
			}
		},
		getPointPosition: function(index, distanceFromCenter) {
			var thisAngle = this.getIndexAngle(index);
			return {
				x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + this.xCenter,
				y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + this.yCenter
			};
		},
		getPointPositionForValue: function(index, value) {
			return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
		},
		draw: function() {
			if (this.options.display) {
				var ctx = this.ctx;
				helpers.each(this.ticks, function(label, index) {
					// Don't draw a centre value (if it is minimum)
					if (index > 0 || this.options.reverse) {
						var yCenterOffset = this.getDistanceFromCenterForValue(this.ticks[index]);
						var yHeight = this.yCenter - yCenterOffset;

						// Draw circular lines around the scale
						if (this.options.gridLines.display) {
							ctx.strokeStyle = this.options.gridLines.color;
							ctx.lineWidth = this.options.gridLines.lineWidth;

							if (this.options.lineArc) {
								// Draw circular arcs between the points
								ctx.beginPath();
								ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI * 2);
								ctx.closePath();
								ctx.stroke();
							} else {
								// Draw straight lines connecting each index
								ctx.beginPath();
								for (var i = 0; i < this.getValueCount(); i++) {
									var pointPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.ticks[index]));
									if (i === 0) {
										ctx.moveTo(pointPosition.x, pointPosition.y);
									} else {
										ctx.lineTo(pointPosition.x, pointPosition.y);
									}
								}
								ctx.closePath();
								ctx.stroke();
							}
						}

						if (this.options.ticks.display) {
							ctx.font = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);

							if (this.options.ticks.showLabelBackdrop) {
								var labelWidth = ctx.measureText(label).width;
								ctx.fillStyle = this.options.ticks.backdropColor;
								ctx.fillRect(
									this.xCenter - labelWidth / 2 - this.options.ticks.backdropPaddingX,
									yHeight - this.options.ticks.fontSize / 2 - this.options.ticks.backdropPaddingY,
									labelWidth + this.options.ticks.backdropPaddingX * 2,
									this.options.ticks.fontSize + this.options.ticks.backdropPaddingY * 2
								);
							}

							ctx.textAlign = 'center';
							ctx.textBaseline = "middle";
							ctx.fillStyle = this.options.ticks.fontColor;
							ctx.fillText(label, this.xCenter, yHeight);
						}
					}
				}, this);

				if (!this.options.lineArc) {
					ctx.lineWidth = this.options.angleLines.lineWidth;
					ctx.strokeStyle = this.options.angleLines.color;

					for (var i = this.getValueCount() - 1; i >= 0; i--) {
						if (this.options.angleLines.display) {
							var outerPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max));
							ctx.beginPath();
							ctx.moveTo(this.xCenter, this.yCenter);
							ctx.lineTo(outerPosition.x, outerPosition.y);
							ctx.stroke();
							ctx.closePath();
						}
						// Extra 3px out for some label spacing
						var pointLabelPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max) + 5);
						ctx.font = helpers.fontString(this.options.pointLabels.fontSize, this.options.pointLabels.fontStyle, this.options.pointLabels.fontFamily);
						ctx.fillStyle = this.options.pointLabels.fontColor;

						var labelsCount = this.chart.data.labels.length,
							halfLabelsCount = this.chart.data.labels.length / 2,
							quarterLabelsCount = halfLabelsCount / 2,
							upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount),
							exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount);
						if (i === 0) {
							ctx.textAlign = 'center';
						} else if (i === halfLabelsCount) {
							ctx.textAlign = 'center';
						} else if (i < halfLabelsCount) {
							ctx.textAlign = 'left';
						} else {
							ctx.textAlign = 'right';
						}

						// Set the correct text baseline based on outer positioning
						if (exactQuarter) {
							ctx.textBaseline = 'middle';
						} else if (upperHalf) {
							ctx.textBaseline = 'bottom';
						} else {
							ctx.textBaseline = 'top';
						}

						ctx.fillText(this.chart.data.labels[i], pointLabelPosition.x, pointLabelPosition.y);
					}
				}
			}
		}
	});
	Chart.scaleService.registerScaleType("radialLinear", LinearRadialScale, defaultConfig);


}).call(this);

(function(moment) {
	"use strict";

	if (!moment) {
		console.warn('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at http://momentjs.com/');
		return;
	}

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	var time = {
		units: [
			{
				name: 'millisecond',
				steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]
			}, {
				name: 'second',
				steps: [1, 2, 5, 10, 30]
			}, {
				name: 'minute',
				steps: [1, 2, 5, 10, 30]
			}, {
				name: 'hour',
				steps: [1, 2, 3, 6, 12]
			}, {
				name: 'day',
				steps: [1, 2, 5]
			}, {
				name: 'week',
				maxStep: 4
			}, {
				name: 'month',
				maxStep: 3
			}, {
				name: 'quarter',
				maxStep: 4,
			}, {
				name: 'year',
				maxStep: false
			},
		],
	};

	var defaultConfig = {
		position: "bottom",

		time: {
			format: false, // false == date objects or use pattern string from http://momentjs.com/docs/#/parsing/string-format/
			unit: false, // false == automatic or override with week, month, year, etc.
			round: false, // none, or override with week, month, year, etc.
			displayFormat: false, // DEPRECATED

			// defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/
			displayFormats: {
				'millisecond': 'SSS [ms]',
				'second': 'h:mm:ss a', // 11:20:01 AM
				'minute': 'h:mm:ss a', // 11:20:01 AM
				'hour': 'MMM D, hA', // Sept 4, 5PM
				'day': 'll', // Sep 4 2015
				'week': 'll', // Week 46, or maybe "[W]WW - YYYY" ?
				'month': 'MMM YYYY', // Sept 2015
				'quarter': '[Q]Q - YYYY', // Q3
				'year': 'YYYY', // 2015
			}, 
		},
	};

	var TimeScale = Chart.Scale.extend({
		getLabelMoment: function(datasetIndex, index) {
			return this.labelMoments[datasetIndex][index];
		},
		determineDataLimits: function() {
			this.labelMoments = [];
			
			// Only parse these once. If the dataset does not have data as x,y pairs, we will use
			// these 
			var scaleLabelMoments = [];
			if (this.chart.data.labels && this.chart.data.labels.length > 0) {
				helpers.each(this.chart.data.labels, function(label, index) {
					var labelMoment = this.parseTime(label);
					if (this.options.time.round) {
						labelMoment.startOf(this.options.time.round);
					}
					scaleLabelMoments.push(labelMoment);
				}, this);

				if (this.options.time.min) {
					this.firstTick = this.parseTime(this.options.time.min);
				} else {
					this.firstTick = moment.min.call(this, scaleLabelMoments);
				}

				if (this.options.time.max) {
					this.lastTick = this.parseTime(this.options.time.max);
				} else {
					this.lastTick = moment.max.call(this, scaleLabelMoments);
				}
			} else {
				this.firstTick = null;
				this.lastTick = null;
			}

			helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
				var momentsForDataset = [];

				if (typeof dataset.data[0] === 'object') {
					helpers.each(dataset.data, function(value, index) {
						var labelMoment = this.parseTime(this.getRightValue(value));
						if (this.options.time.round) {
							labelMoment.startOf(this.options.time.round);
						}
						momentsForDataset.push(labelMoment);

						// May have gone outside the scale ranges, make sure we keep the first and last ticks updated
						this.firstTick = this.firstTick !== null ? moment.min(this.firstTick, labelMoment) : labelMoment;
						this.lastTick = this.lastTick !== null ? moment.max(this.lastTick, labelMoment) : labelMoment;
					}, this);
				} else {
					// We have no labels. Use the ones from the scale
					momentsForDataset = scaleLabelMoments;
				}

				this.labelMoments.push(momentsForDataset);
			}, this);

			// We will modify these, so clone for later
			this.firstTick = (this.firstTick || moment()).clone();
			this.lastTick = (this.lastTick || moment()).clone();
		},
		buildTicks: function(index) {

			this.ticks = [];
			this.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step 

			// Set unit override if applicable
			if (this.options.time.unit) {
				this.tickUnit = this.options.time.unit || 'day';
				this.displayFormat = this.options.time.displayFormats[this.tickUnit];
				this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit, true));
			} else {
				// Determine the smallest needed unit of the time
				var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
				var labelCapacity = innerWidth / (this.options.ticks.fontSize + 10);
				var buffer = this.options.time.round ? 0 : 2;

				// Start as small as possible
				this.tickUnit = 'millisecond';
				this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit, true) + buffer);
				this.displayFormat = this.options.time.displayFormats[this.tickUnit];

				var unitDefinitionIndex = 0;
				var unitDefinition = time.units[unitDefinitionIndex];

				// While we aren't ideal and we don't have units left 
				while (unitDefinitionIndex < time.units.length) {
					// Can we scale this unit. If `false` we can scale infinitely
					//var canScaleUnit = ;
					this.unitScale = 1;

					if (helpers.isArray(unitDefinition.steps) && Math.ceil(this.tickRange / labelCapacity) < helpers.max(unitDefinition.steps)) {
						// Use one of the prefedined steps
						for (var idx = 0; idx < unitDefinition.steps.length; ++idx) {
							if (unitDefinition.steps[idx] > Math.ceil(this.tickRange / labelCapacity)) {
								this.unitScale = unitDefinition.steps[idx];
								break;
							}
						}

						break;
					} else if ((unitDefinition.maxStep === false) || (Math.ceil(this.tickRange / labelCapacity) < unitDefinition.maxStep)) {
						// We have a max step. Scale this unit
						this.unitScale = Math.ceil(this.tickRange / labelCapacity);
						break;
					} else {
						// Move to the next unit up
						++unitDefinitionIndex;
						unitDefinition = time.units[unitDefinitionIndex];
						
						this.tickUnit = unitDefinition.name;
						this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit) + buffer);
						this.displayFormat = this.options.time.displayFormats[unitDefinition.name];
					}
				}
			}

			this.firstTick.startOf(this.tickUnit);
			this.lastTick.endOf(this.tickUnit);
			this.smallestLabelSeparation = this.width;

			helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
				for (var i = 1; i < this.labelMoments[datasetIndex].length; i++) {
					this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[datasetIndex][i].diff(this.labelMoments[datasetIndex][i - 1], this.tickUnit, true));
				}
			}, this);

			// Tick displayFormat override
			if (this.options.time.displayFormat) {
				this.displayFormat = this.options.time.displayFormat;
			}

			// For every unit in between the first and last moment, create a moment and add it to the ticks tick
			for (var i = 0; i <= this.tickRange; ++i) {
				if (i % this.unitScale === 0) {
					this.ticks.push(this.firstTick.clone().add(i, this.tickUnit));
				} else if (i === this.tickRange) {
					// Expand out the last one if not an exact multiple
					this.tickRange = Math.ceil(this.tickRange / this.unitScale) * this.unitScale;
					this.ticks.push(this.firstTick.clone().add(this.tickRange, this.tickUnit));
					this.lastTick = this.ticks[this.ticks.length - 1].clone();
					break;
				}
			}
		},
		// Get tooltip label
		getLabelForIndex: function(index, datasetIndex) {
			var label = this.chart.data.labels && index < this.chart.data.labels.length ? this.chart.data.labels[index] : '';

			if (typeof this.chart.data.datasets[datasetIndex].data[0] === 'object') {
				label = this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
			}

			// Format nicely
			if (this.options.time.tooltipFormat) {
				label = this.parseTime(label).format(this.options.time.tooltipFormat);
			}

			return label;
		},
		convertTicksToLabels: function() {
			this.ticks = this.ticks.map(function(tick, index, ticks) {
				var formattedTick = tick.format(this.displayFormat);

				if (this.options.ticks.userCallback) {
					return this.options.ticks.userCallback(formattedTick, index, ticks);
				} else {
					return formattedTick;
				}
			}, this);
		},
		getPixelForValue: function(value, index, datasetIndex, includeOffset) {
			var labelMoment = this.getLabelMoment(datasetIndex, index);
			var offset = labelMoment.diff(this.firstTick, this.tickUnit, true);

			var decimal = offset / this.tickRange;

			if (this.isHorizontal()) {
				var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
				var valueWidth = innerWidth / Math.max(this.ticks.length - 1, 1);
				var valueOffset = (innerWidth * decimal) + this.paddingLeft;

				return this.left + Math.round(valueOffset);
			} else {
				var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
				var valueHeight = innerHeight / Math.max(this.ticks.length - 1, 1);
				var heightOffset = (innerHeight * decimal) + this.paddingTop;

				return this.top + Math.round(heightOffset);
			}
		},
		parseTime: function(label) {
			// Date objects
			if (typeof label.getMonth === 'function' || typeof label == 'number') {
				return moment(label);
			}
			// Moment support
			if (label.isValid && label.isValid()) {
				return label;
			}
			// Custom parsing (return an instance of moment)
			if (typeof this.options.time.format !== 'string' && this.options.time.format.call) {
				return this.options.time.format(label);
			}
			// Moment format parsing
			return moment(label, this.options.time.format);
		},
	});
	Chart.scaleService.registerScaleType("time", TimeScale, defaultConfig);

}).call(this, moment);

/*!
 * Chart.js
 * http://chartjs.org/
 * Version: 2.0.0-beta2
 *
 * Copyright 2015 Nick Downie
 * Released under the MIT license
 * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
 */


(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.elements.arc = {
		backgroundColor: Chart.defaults.global.defaultColor,
		borderColor: "#fff",
		borderWidth: 2
	};

	Chart.elements.Arc = Chart.Element.extend({
		inLabelRange: function(mouseX) {
			var vm = this._view;

			if (vm) {
				return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
			} else {
				return false;
			}
		},
		inRange: function(chartX, chartY) {

			var vm = this._view;

			if (vm) {
				var pointRelativePosition = helpers.getAngleFromPoint(vm, {
					x: chartX,
					y: chartY
				});

				// Put into the range of (-PI/2, 3PI/2]
				var startAngle = vm.startAngle < (-0.5 * Math.PI) ? vm.startAngle + (2.0 * Math.PI) : vm.startAngle > (1.5 * Math.PI) ? vm.startAngle - (2.0 * Math.PI) : vm.startAngle;
				var endAngle = vm.endAngle < (-0.5 * Math.PI) ? vm.endAngle + (2.0 * Math.PI) : vm.endAngle > (1.5 * Math.PI) ? vm.endAngle - (2.0 * Math.PI) : vm.endAngle;

				//Check if within the range of the open/close angle
				var betweenAngles = (pointRelativePosition.angle >= startAngle && pointRelativePosition.angle <= endAngle),
					withinRadius = (pointRelativePosition.distance >= vm.innerRadius && pointRelativePosition.distance <= vm.outerRadius);

				return (betweenAngles && withinRadius);
			} else {
				return false;
			}			
		},
		tooltipPosition: function() {
			var vm = this._view;

			var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2),
				rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
			return {
				x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
				y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
			};
		},
		draw: function() {

			var ctx = this._chart.ctx;
			var vm = this._view;

			ctx.beginPath();

			ctx.arc(vm.x, vm.y, vm.outerRadius, vm.startAngle, vm.endAngle);

			ctx.arc(vm.x, vm.y, vm.innerRadius, vm.endAngle, vm.startAngle, true);

			ctx.closePath();
			ctx.strokeStyle = vm.borderColor;
			ctx.lineWidth = vm.borderWidth;

			ctx.fillStyle = vm.backgroundColor;

			ctx.fill();
			ctx.lineJoin = 'bevel';

			if (vm.borderWidth) {
				ctx.stroke();
			}
		}
	});


}).call(this);

/*!
 * Chart.js
 * http://chartjs.org/
 * Version: 2.0.0-beta2
 *
 * Copyright 2015 Nick Downie
 * Released under the MIT license
 * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
 */


(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.elements.line = {
		tension: 0.4,
		backgroundColor: Chart.defaults.global.defaultColor,
		borderWidth: 3,
		borderColor: Chart.defaults.global.defaultColor,
		borderCapStyle: 'butt',
		borderDash: [],
		borderDashOffset: 0.0,
		borderJoinStyle: 'miter',
		fill: true, // do we fill in the area between the line and its base axis
	};

	Chart.elements.Line = Chart.Element.extend({
		lineToNextPoint: function(previousPoint, point, nextPoint, skipHandler, previousSkipHandler) {
			var ctx = this._chart.ctx;

			if (point._view.skip) {
				skipHandler.call(this, previousPoint, point, nextPoint); 
			} else if (previousPoint._view.skip) {
				previousSkipHandler.call(this, previousPoint, point, nextPoint);
			} else if (point._view.tension === 0) { 
				ctx.lineTo(point._view.x, point._view.y);
			} else {
				// Line between points
				ctx.bezierCurveTo(
					previousPoint._view.controlPointNextX, 
					previousPoint._view.controlPointNextY,
					point._view.controlPointPreviousX,
					point._view.controlPointPreviousY,
					point._view.x,
					point._view.y
				);
			}
		},

		draw: function() {
			var _this = this;

			var vm = this._view;
			var ctx = this._chart.ctx;
			var first = this._children[0];
			var last = this._children[this._children.length - 1];

			function loopBackToStart(drawLineToCenter) {
				if (!first._view.skip && !last._view.skip) {
					// Draw a bezier line from last to first
					ctx.bezierCurveTo(
						last._view.controlPointNextX,
						last._view.controlPointNextY,
						first._view.controlPointPreviousX,
						first._view.controlPointPreviousY,
						first._view.x,
						first._view.y
					);
				} else if (drawLineToCenter) {
					// Go to center
					ctx.lineTo(_this._view.scaleZero.x, _this._view.scaleZero.y);
				}
			}

			ctx.save();

			// If we had points and want to fill this line, do so.
			if (this._children.length > 0 && vm.fill) {
				// Draw the background first (so the border is always on top)
				ctx.beginPath();

				helpers.each(this._children, function(point, index) {
					var previous = helpers.previousItem(this._children, index);
					var next = helpers.nextItem(this._children, index);

					// First point moves to it's starting position no matter what
					if (index === 0) {
						if (this._loop) {
							ctx.moveTo(vm.scaleZero.x, vm.scaleZero.y);
						} else {
							ctx.moveTo(point._view.x, vm.scaleZero);
						}

						if (point._view.skip) {
							if (!this._loop) {
								ctx.moveTo(next._view.x, this._view.scaleZero);
							}
						} else {
							ctx.lineTo(point._view.x, point._view.y);
						}
					} else {
						this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) {
							if (this._loop) {
								// Go to center
								ctx.lineTo(this._view.scaleZero.x, this._view.scaleZero.y);
							} else {
								ctx.lineTo(previousPoint._view.x, this._view.scaleZero);
								ctx.moveTo(nextPoint._view.x, this._view.scaleZero);
							}
						}, function(previousPoint, point) {
							// If we skipped the last point, draw a line to ourselves so that the fill is nice
							ctx.lineTo(point._view.x, point._view.y);
						});
					}
				}, this);

				// For radial scales, loop back around to the first point
				if (this._loop) {
					loopBackToStart(true);
				} else {
					//Round off the line by going to the base of the chart, back to the start, then fill.
					ctx.lineTo(this._children[this._children.length - 1]._view.x, vm.scaleZero);
					ctx.lineTo(this._children[0]._view.x, vm.scaleZero);
				}

				ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;
				ctx.closePath();
				ctx.fill();
			}

			// Now draw the line between all the points with any borders
			ctx.lineCap = vm.borderCapStyle || Chart.defaults.global.elements.line.borderCapStyle;

			// IE 9 and 10 do not support line dash
			if (ctx.setLineDash) {
				ctx.setLineDash(vm.borderDash || Chart.defaults.global.elements.line.borderDash);
			}

			ctx.lineDashOffset = vm.borderDashOffset || Chart.defaults.global.elements.line.borderDashOffset;
			ctx.lineJoin = vm.borderJoinStyle || Chart.defaults.global.elements.line.borderJoinStyle;
			ctx.lineWidth = vm.borderWidth || Chart.defaults.global.elements.line.borderWidth;
			ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
			ctx.beginPath();

			helpers.each(this._children, function(point, index) {
				var previous = helpers.previousItem(this._children, index);
				var next = helpers.nextItem(this._children, index);

				if (index === 0) {
					ctx.moveTo(point._view.x, point._view.y);
				} else {
					this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) {
						ctx.moveTo(nextPoint._view.x, nextPoint._view.y);
					}, function(previousPoint, point) {
						// If we skipped the last point, move up to our point preventing a line from being drawn
						ctx.moveTo(point._view.x, point._view.y);
					});
				}
			}, this);

			if (this._loop && this._children.length > 0) {
				loopBackToStart();
			}

			ctx.stroke();
			ctx.restore();
		},
	});

}).call(this);

/*!
 * Chart.js
 * http://chartjs.org/
 * Version: 2.0.0-beta2
 *
 * Copyright 2015 Nick Downie
 * Released under the MIT license
 * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
 */


(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.elements.point = {
		radius: 3,
		backgroundColor: Chart.defaults.global.defaultColor,
		borderWidth: 1,
		borderColor: Chart.defaults.global.defaultColor,
		// Hover
		hitRadius: 1,
		hoverRadius: 4,
		hoverBorderWidth: 1,
	};


	Chart.elements.Point = Chart.Element.extend({
		inRange: function(mouseX, mouseY) {
			var vm = this._view;

			if (vm) {
				var hoverRange = vm.hitRadius + vm.radius;
				return ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(hoverRange, 2));
			} else {
				return false;
			}
		},
		inLabelRange: function(mouseX) {
			var vm = this._view;

			if (vm) {
				return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2));
			} else {
				return false;
			}
		},
		tooltipPosition: function() {
			var vm = this._view;
			return {
				x: vm.x,
				y: vm.y,
				padding: vm.radius + vm.borderWidth
			};
		},
		draw: function() {

			var vm = this._view;
			var ctx = this._chart.ctx;


			if (vm.skip) {
				return;
			}

			if (vm.radius > 0 || vm.borderWidth > 0) {

				ctx.beginPath();

				ctx.arc(vm.x, vm.y, vm.radius || Chart.defaults.global.elements.point.radius, 0, Math.PI * 2);
				ctx.closePath();

				ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
				ctx.lineWidth = vm.borderWidth || Chart.defaults.global.elements.point.borderWidth;

				ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;

				ctx.fill();
				ctx.stroke();
			}
		}
	});


}).call(this);

(function() {

	"use strict";

	var root = this,
		Chart = root.Chart,
		helpers = Chart.helpers;

	Chart.defaults.global.elements.rectangle = {
		backgroundColor: Chart.defaults.global.defaultColor,
		borderWidth: 0,
		borderColor: Chart.defaults.global.defaultColor,
	};

	Chart.elements.Rectangle = Chart.Element.extend({
		draw: function() {

			var ctx = this._chart.ctx;
			var vm = this._view;

			var halfWidth = vm.width / 2,
				leftX = vm.x - halfWidth,
				rightX = vm.x + halfWidth,
				top = vm.base - (vm.base - vm.y),
				halfStroke = vm.borderWidth / 2;

			// Canvas doesn't allow us to stroke inside the width so we can
			// adjust the sizes to fit if we're setting a stroke on the line
			if (vm.borderWidth) {
				leftX += halfStroke;
				rightX -= halfStroke;
				top += halfStroke;
			}

			ctx.beginPath();

			ctx.fillStyle = vm.backgroundColor;
			ctx.strokeStyle = vm.borderColor;
			ctx.lineWidth = vm.borderWidth;

			// It'd be nice to keep this class totally generic to any rectangle
			// and simply specify which border to miss out.
			ctx.moveTo(leftX, vm.base);
			ctx.lineTo(leftX, top);
			ctx.lineTo(rightX, top);
			ctx.lineTo(rightX, vm.base);
			ctx.fill();
			if (vm.borderWidth) {
				ctx.stroke();
			}
		},
		height: function() {
			var vm = this._view;
			return vm.base - vm.y;
		},
		inRange: function(mouseX, mouseY) {
			var vm = this._view;
			var inRange = false;

			if (vm) {
				if (vm.y < vm.base) {
					inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.y && mouseY <= vm.base);
				} else {
					inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.base && mouseY <= vm.y);
				}
			}

			return inRange;
		},
		inLabelRange: function(mouseX) {
			var vm = this._view;

			if (vm) {
				return (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2);
			} else {
				return false;
			}
		},
		tooltipPosition: function() {
			var vm = this._view;
			return {
				x: vm.x,
				y: vm.y
			};
		},
	});



}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	Chart.Bar = function(context, config) {
		config.type = 'bar';

		return new Chart(context, config);
	};

}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	var defaultConfig = {
		hover: {
			mode: 'single',
		},

		scales: {
			xAxes: [{
				type: "linear", // bubble should probably use a linear scale by default
				position: "bottom",
				id: "x-axis-0", // need an ID so datasets can reference the scale
			}],
			yAxes: [{
				type: "linear",
				position: "left",
				id: "y-axis-0",
			}],
		},

		tooltips: {
			callbacks: {
				title: function(tooltipItems, data) {
					// Title doesn't make sense for scatter since we format the data as a point
					return '';
				},
				label: function(tooltipItem, data) {
					return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
				}
			}
		},

	};

	// Register the default config for this type
	Chart.defaults.bubble = defaultConfig;

	Chart.Bubble = function(context, config) {
		config.type = 'bubble';
		return new Chart(context, config);
	};

}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	Chart.Doughnut = function(context, config) {
		config.type = 'doughnut';

		return new Chart(context, config);
	};
	
}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	Chart.Line = function(context, config) {
		config.type = 'line';

		return new Chart(context, config);
	};
	
}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	Chart.PolarArea = function(context, config) {
		config.type = 'polarArea';

		return new Chart(context, config);
	};
	
}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	var defaultConfig = {
		aspectRatio: 1,
	};

	Chart.Radar = function(context, config) {
		config.options = helpers.configMerge(defaultConfig, config.options);
		config.type = 'radar';

		return new Chart(context, config);
	};
	
}).call(this);

(function() {
	"use strict";

	var root = this;
	var Chart = root.Chart;
	var helpers = Chart.helpers;

	var defaultConfig = {
		hover: {
			mode: 'single',
		},

		scales: {
			xAxes: [{
				type: "linear", // scatter should not use a category axis
				position: "bottom",
				id: "x-axis-1", // need an ID so datasets can reference the scale
			}],
			yAxes: [{
				type: "linear",
				position: "left",
				id: "y-axis-1",
			}],
		},

		tooltips: {
			callbacks: {
				title: function(tooltipItems, data) {
					// Title doesn't make sense for scatter since we format the data as a point
					return '';
				},
				label: function(tooltipItem, data) {
					return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
				}
			}
		},
	};

	// Register the default config for this type
	Chart.defaults.scatter = defaultConfig;

	// Scatter charts use line controllers
	Chart.controllers.scatter = Chart.controllers.line;

	Chart.Scatter = function(context, config) {
		config.type = 'scatter';
		return new Chart(context, config);
	};
	
}).call(this);
return Chart;
}));