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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;ar||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-alpha * * 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); // Always bind this so that if the responsive state changes we still work var _this = this; Chart.helpers.addResizeListener(context.canvas.parentNode, function() { if (config.options.responsive) { _this.controller.resize(); } }); if (config) { this.controller = new Chart.Controller(this); return this.controller; } return 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", "touchend"], hover: { onHover: null, mode: 'single', animationDuration: 400, }, onClick: null, defaultColor: 'rgba(0,0,0,0.1)', // Element defaults defined in element extensions elements: {}, // Legend template string legendTemplate: "
    -legend\"><% for (var i = 0; i < data.datasets.length; i++){%>
  • \"><%if(data.datasets[i].label){%><%=data.datasets[i].label%><%}%>
  • <%}%>
", }, }; if (typeof amd !== 'undefined') { define(function() { return Chart; }); } else if (typeof module === 'object' && module.exports) { module.exports = Chart; } 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, previous = 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; }, 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 (window.console && typeof window.console.warn === "function") console.warn(str); }, amd = helpers.amd = (typeof define === 'function' && define.amd), //-- 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 var d01 = Math.sqrt(Math.pow(MiddlePoint.x - FirstPoint.x, 2) + Math.pow(MiddlePoint.y - FirstPoint.y, 2)), d12 = Math.sqrt(Math.pow(AfterPoint.x - MiddlePoint.x, 2) + Math.pow(AfterPoint.y - MiddlePoint.y, 2)), fa = t * d01 / (d01 + d12), // scaling factor for triangle Ta fb = t * d12 / (d01 + d12); return { previous: { x: MiddlePoint.x - fa * (AfterPoint.x - FirstPoint.x), y: MiddlePoint.y - fa * (AfterPoint.y - FirstPoint.y) }, next: { x: MiddlePoint.x + fb * (AfterPoint.x - FirstPoint.x), y: MiddlePoint.y + fb * (AfterPoint.y - FirstPoint.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); }, /* jshint ignore:start */ // Blows up jshint errors based on the new Function constructor //Templating methods //Javascript micro templating by John Resig - source at http://ejohn.org/blog/javascript-micro-templating/ templateStringCache = {}, template = helpers.template = function(templateString, valuesObject) { // If templateString is function rather than string-template - call the function for valuesObject if (templateString instanceof Function) { return templateString(valuesObject); } function tmpl(str, data) { // Figure out if we're getting a template, or if we need to // load the template - and be sure to cache the result. var fn; if (templateStringCache.hasOwnProperty(str)) { fn = templateStringCache[str]; } else { // Generate a reusable function that will serve as a template // generator (and which will be cached). var functionCode = "var p=[],print=function(){p.push.apply(p,arguments);};" + // Introduce the data as local variables using with(){} "with(obj){p.push('" + // Convert the template into pure JavaScript str .replace(/[\r\t\n]/g, " ") .split("<%").join("\t") .replace(/((^|%>)[^\t]*)'/g, "$1\r") .replace(/\t=(.*?)%>/g, "',$1,'") .split("\t").join("');") .split("%>").join("p.push('") .split("\r").join("\\'") + "');}return p.join('');"; fn = new Function("obj", functionCode); // Cache the result templateStringCache[str] = fn; } // Provide some basic currying to the user return data ? fn(data) : fn; } return tmpl(templateString, valuesObject); }, /* jshint ignore:end */ //--Animation methods //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) { 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; chart.currentDevicePixelRatio = window.devicePixelRatio || 1; if (window.devicePixelRatio !== 1) { ctx.canvas.height = height * window.devicePixelRatio; ctx.canvas.width = width * window.devicePixelRatio; ctx.scale(window.devicePixelRatio, window.devicePixelRatio); 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 || window.devicePixelRatio; } }, //-- 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 (!window.Color) { console.log('Color.js not found!'); return color; } return window.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.remove(); } }, isArray = helpers.isArray = function(obj) { if (!Array.isArray) { return Object.prototype.toString.call(arg) === '[object Array]'; } return Array.isArray(obj); }; }).call(this); (function() { "use strict"; //Declare root variable - window in the browser, global on the server var root = this, previous = 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') { 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 ? 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: function() {}, onComplete: function() {}, }; 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.currentStep == this.animations[i].animationObject.numSteps) { // 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, previous = 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.data = this.config.data; this.options = this.config.options = helpers.configMerge(Chart.defaults.global, Chart.defaults[this.config.type], this.config.options || {}); this.id = helpers.uid(); //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.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, data: this.data, 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, data: this.data, 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, data: this.data, chart: this.chart, }); this.scale = scale; this.scales['radialScale'] = scale; } Chart.scaleService.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); return; } 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) { Chart.scaleService.update(this, this.chart.width, this.chart.height); // Make sure dataset controllers are updated and new controllers are reset this.buildOrUpdateControllers(true); // 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 ((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.onAnimationProgress; animation.onAnimationComplete = this.options.onAnimationComplete; Chart.animationService.addAnimation(this, animation, duration, lazy); } else { this.draw(); if (this.options.onAnimationComplete && this.options.onAnimationComplete.call) { this.options.onAnimationComplete.call(this); } } return this; }, draw: function(ease) { var easingDecimal = ease || 1; this.clear(); // Draw all the scales helpers.each(this.scales, function(scale) { scale.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) { 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) { 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 = []; helpers.each(this.data.datasets, function(dataset, datasetIndex) { helpers.each(dataset.metaData, function(element, index) { if (element.inLabelRange(eventPosition.x, eventPosition.y)) { elementsArray.push(element); } }, this); }, this); return elementsArray; }, getDatasetAtEvent: function(e) { var eventPosition = helpers.getRelativePosition(e, this.chart); var elementsArray = []; for (var datasetIndex = 0; datasetIndex < this.data.datasets.length; datasetIndex++) { for (var elementIndex = 0; elementIndex < this.data.datasets[datasetIndex].metaData.length; elementIndex++) { if (this.data.datasets[datasetIndex].metaData[elementIndex].inLabelRange(eventPosition.x, eventPosition.y)) { helpers.each(this.data.datasets[datasetIndex].metaData, function(element, index) { elementsArray.push(element); }, this); } } } return elementsArray.length ? elementsArray : []; }, generateLegend: function generateLegend() { return helpers.template(this.options.legendTemplate, 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, _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 || []; // Find Active Elements if (e.type == 'mouseout') { this.active = []; } else { this.active = function() { switch (this.options.hover.mode) { case 'single': return this.getElementAtEvent(e); case 'label': return this.getElementsAtEvent(e); case 'dataset': return this.getDatasetAtEvent(e); default: return e; } }.call(this); } // 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); } } 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++) { 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 i = 0; i < this.active.length; i++) { this.data.datasets[this.active[i]._datasetIndex].controller.setHoverStyle(this.active[i]); } break; default: // Don't change anything } } // Built in Tooltips if (this.options.tooltips.enabled || this.options.tooltips.custom) { // The usual updates this.tooltip.initialize(); // Active if (this.active.length) { this.tooltip._model.opacity = 1; helpers.extend(this.tooltip, { _active: this.active, }); this.tooltip.update(); } else { // Inactive this.tooltip._model.opacity = 0; } } // 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); // If entering, leaving, or changing elements, animate the change via pivot if ((!this.lastActive.length && this.active.length) || (this.lastActive.length && !this.active.length) || (this.lastActive.length && this.active.length && changed)) { this.stop(); // 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 Active this.lastActive = this.active; return this; }, }); }).call(this); (function() { "use strict"; var root = this, Chart = root.Chart, helpers = Chart.helpers; Chart.defaults.scale = { display: true, // grid line settings gridLines: { show: 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 show: false, }, // label settings ticks: { beginAtZero: false, fontSize: 12, fontStyle: "normal", fontColor: "#666", fontFamily: "Helvetica Neue", maxRotation: 90, minRotation: 20, mirror: false, padding: 10, reverse: false, show: true, template: "<%=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: 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(); // 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: helpers.noop, // beforeSetDimensions: helpers.noop, setDimensions: function() { // Set the unconstrained dimension before label rotation if (this.isHorizontal()) { this.width = this.maxWidth; } else { this.height = this.maxHeight; } // Reset padding this.paddingLeft = 0; this.paddingTop = 0; this.paddingRight = 0; this.paddingBottom = 0; }, afterSetDimensions: helpers.noop, // beforeBuildTicks: helpers.noop, buildTicks: helpers.noop, afterBuildTicks: helpers.noop, beforeTickToLabelConversion: helpers.noop, 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); } else { return helpers.template(this.options.ticks.template, { value: numericalTick }); } }, this); }, afterTickToLabelConversion: helpers.noop, // beforeCalculateTickRotation: helpers.noop, 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; var firstRotatedWidth; 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: helpers.noop, // beforeFit: helpers.noop, fit: function() { this.minSize = { width: 0, height: 0, }; // Width if (this.isHorizontal()) { this.minSize.width = this.maxWidth; // fill all the width } else { this.minSize.width = this.options.gridLines.show && this.options.display ? 10 : 0; } // height if (this.isHorizontal()) { this.minSize.height = this.options.gridLines.show && 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.show) { 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.show && 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. var maxLabelHeight = this.maxHeight - this.minSize.height; var longestLabelWidth = helpers.longestText(this.ctx, labelFont, this.ticks); var labelHeight = (Math.sin(helpers.toRadians(this.labelRotation)) * 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); 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: helpers.noop, // Shared Methods isHorizontal: function() { return this.options.position == "top" || this.options.position == "bottom"; }, // 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; } return this.left + Math.round(pixel); } 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; return this.left + Math.round(valueOffset); } else { return this.top + (decimal * (this.height / this.ticks.length)); } }, // 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; // Make sure we draw text in the correct color this.ctx.fillStyle = this.options.ticks.fontColor; 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 ((this.options.ticks.fontSize + 4) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) { skipRatio = 1 + Math.floor(((this.options.ticks.fontSize + 4) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight))); } 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.show) { 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.show) { 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 = this.font; 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.show) { // Draw the scale label this.ctx.textAlign = "center"; this.ctx.textBaseline = 'middle'; 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) { var yLineValue = this.getPixelForTick(index); // xvalues for grid lines if (this.options.gridLines.show) { 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.show) { 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 = this.font; this.ctx.textBaseline = "middle"; this.ctx.fillText(label, 0, 0); this.ctx.restore(); } }, this); if (this.options.scaleLabel.show) { // 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.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; // The scale service is used to resize charts along with all of their axes. We make this as // a service where scales are registered with their respective charts so that changing the // scales does not require 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.scaleMerge(Chart.defaults.scale, defaults); }, getScaleConstructor: function(type) { return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; }, getScaleDefaults: function(type) { return this.defaults.hasOwnProperty(type) ? this.defaults[type] : {}; }, // The interesting function update: function(chartInstance, width, height) { var xPadding = width > 30 ? 5 : 2; var yPadding = height > 30 ? 5 : 2; if (chartInstance) { var leftScales = helpers.where(chartInstance.scales, function(scaleInstance) { return scaleInstance.options.position == "left"; }); var rightScales = helpers.where(chartInstance.scales, function(scaleInstance) { return scaleInstance.options.position == "right"; }); var topScales = helpers.where(chartInstance.scales, function(scaleInstance) { return scaleInstance.options.position == "top"; }); var bottomScales = helpers.where(chartInstance.scales, function(scaleInstance) { return scaleInstance.options.position == "bottom"; }); // Scales that overlay the chartarea such as the radialLinear scale var chartAreaScales = helpers.where(chartInstance.scales, function(scaleInstance) { return scaleInstance.options.position == "chartArea"; }); // Essentially we now have any number of scales 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 // |------------------------------------------------------| // | | T1 | | // |----|-----|-------------------------------------|-----| // | | | | | // | L1 | L2 | Chart area | R1 | // | | | | | // | | | | | // |----|-----|-------------------------------------|-----| // | | B1 | | // | | | | // |------------------------------------------------------| // 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 scale the maximum size it can be. The scale 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; // min 50% var chartHeight = height / 2; // min 50% chartWidth -= (2 * xPadding); chartHeight -= (2 * yPadding); // Step 2 var verticalScaleWidth = (width - chartWidth) / (leftScales.length + rightScales.length); // Step 3 var horizontalScaleHeight = (height - chartHeight) / (topScales.length + bottomScales.length); // Step 4; var minimumScaleSizes = []; var verticalScaleMinSizeFunction = function(scaleInstance) { var minSize = scaleInstance.update(verticalScaleWidth, chartHeight); minimumScaleSizes.push({ horizontal: false, minSize: minSize, scale: scaleInstance, }); }; var horizontalScaleMinSizeFunction = function(scaleInstance) { var minSize = scaleInstance.update(chartWidth, horizontalScaleHeight); minimumScaleSizes.push({ horizontal: true, minSize: minSize, scale: scaleInstance, }); }; // vertical scales helpers.each(leftScales, verticalScaleMinSizeFunction); helpers.each(rightScales, verticalScaleMinSizeFunction); // horizontal scales helpers.each(topScales, horizontalScaleMinSizeFunction); helpers.each(bottomScales, horizontalScaleMinSizeFunction); // Step 5 var maxChartHeight = height - (2 * yPadding); var maxChartWidth = width - (2 * xPadding); helpers.each(minimumScaleSizes, function(wrapper) { if (wrapper.horizontal) { maxChartHeight -= wrapper.minSize.height; } else { maxChartWidth -= wrapper.minSize.width; } }); // At this point, maxChartHeight and maxChartWidth are the size the chart area could // be if the axes are drawn at their minimum sizes. // Step 6 var verticalScaleFitFunction = function(scaleInstance) { var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) { return wrapper.scale === scaleInstance; }); if (wrapper) { scaleInstance.update(wrapper.minSize.width, maxChartHeight); } }; var horizontalScaleFitFunction = function(scaleInstance) { var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) { return wrapper.scale === scaleInstance; }); var scaleMargin = { left: totalLeftWidth, right: totalRightWidth, top: 0, bottom: 0, }; if (wrapper) { scaleInstance.update(maxChartWidth, wrapper.minSize.height, scaleMargin); } }; var totalLeftWidth = xPadding; var totalRightWidth = xPadding; var totalTopHeight = yPadding; var totalBottomHeight = yPadding; helpers.each(leftScales, verticalScaleFitFunction); helpers.each(rightScales, verticalScaleFitFunction); // Figure out how much margin is on the left and right of the horizontal axes helpers.each(leftScales, function(scaleInstance) { totalLeftWidth += scaleInstance.width; }); helpers.each(rightScales, function(scaleInstance) { totalRightWidth += scaleInstance.width; }); helpers.each(topScales, horizontalScaleFitFunction); helpers.each(bottomScales, horizontalScaleFitFunction); helpers.each(topScales, function(scaleInstance) { totalTopHeight += scaleInstance.height; }); helpers.each(bottomScales, function(scaleInstance) { totalBottomHeight += scaleInstance.height; }); // Let the left scale know the final margin helpers.each(leftScales, function(scaleInstance) { var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) { return wrapper.scale === scaleInstance; }); var scaleMargin = { left: 0, right: 0, top: totalTopHeight, bottom: totalBottomHeight }; if (wrapper) { scaleInstance.update(wrapper.minSize.width, maxChartHeight, scaleMargin); } }); helpers.each(rightScales, function(scaleInstance) { var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) { return wrapper.scale === scaleInstance; }); var scaleMargin = { left: 0, right: 0, top: totalTopHeight, bottom: totalBottomHeight }; if (wrapper) { scaleInstance.update(wrapper.minSize.width, maxChartHeight, scaleMargin); } }); // Recalculate because the size of each scale might have changed slightly due to the margins (label rotation for instance) totalLeftWidth = xPadding; totalRightWidth = xPadding; totalTopHeight = yPadding; totalBottomHeight = yPadding; helpers.each(leftScales, function(scaleInstance) { totalLeftWidth += scaleInstance.width; }); helpers.each(rightScales, function(scaleInstance) { totalRightWidth += scaleInstance.width; }); helpers.each(topScales, function(scaleInstance) { totalTopHeight += scaleInstance.height; }); helpers.each(bottomScales, function(scaleInstance) { totalBottomHeight += scaleInstance.height; }); // Figure out if our chart area changed. This would occur if the dataset scale 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 newMaxChartHeight = height - totalTopHeight - totalBottomHeight; var newMaxChartWidth = width - totalLeftWidth - totalRightWidth; if (newMaxChartWidth !== maxChartWidth || newMaxChartHeight !== maxChartHeight) { helpers.each(leftScales, function(scale) { scale.height = newMaxChartHeight; }); helpers.each(rightScales, function(scale) { scale.height = newMaxChartHeight; }); helpers.each(topScales, function(scale) { scale.width = newMaxChartWidth; }); helpers.each(bottomScales, function(scale) { scale.width = newMaxChartWidth; }); maxChartHeight = newMaxChartHeight; maxChartWidth = newMaxChartWidth; } // Step 7 // Position the scales var left = xPadding; var top = yPadding; var right = 0; var bottom = 0; var verticalScalePlacer = function(scaleInstance) { scaleInstance.left = left; scaleInstance.right = left + scaleInstance.width; scaleInstance.top = totalTopHeight; scaleInstance.bottom = totalTopHeight + maxChartHeight; // Move to next point left = scaleInstance.right; }; var horizontalScalePlacer = function(scaleInstance) { scaleInstance.left = totalLeftWidth; scaleInstance.right = totalLeftWidth + maxChartWidth; scaleInstance.top = top; scaleInstance.bottom = top + scaleInstance.height; // Move to next point top = scaleInstance.bottom; }; helpers.each(leftScales, verticalScalePlacer); helpers.each(topScales, horizontalScalePlacer); // Account for chart width and height left += maxChartWidth; top += maxChartHeight; helpers.each(rightScales, verticalScalePlacer); helpers.each(bottomScales, horizontalScalePlacer); // Step 8 chartInstance.chartArea = { left: totalLeftWidth, top: totalTopHeight, right: totalLeftWidth + maxChartWidth, bottom: totalTopHeight + maxChartHeight, }; // Step 9 helpers.each(chartAreaScales, function(scaleInstance) { scaleInstance.left = chartInstance.chartArea.left; scaleInstance.top = chartInstance.chartArea.top; scaleInstance.right = chartInstance.chartArea.right; scaleInstance.bottom = chartInstance.chartArea.bottom; scaleInstance.update(maxChartWidth, maxChartHeight); }); } } }; }).call(this); (function() { "use strict"; var root = this, Chart = root.Chart, helpers = Chart.helpers; Chart.defaults.global.tooltips = { enabled: true, custom: null, backgroundColor: "rgba(0,0,0,0.8)", fontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", fontSize: 10, fontStyle: "normal", fontColor: "#fff", titleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", titleFontSize: 12, titleFontStyle: "bold", titleFontColor: "#fff", yPadding: 6, xPadding: 6, caretSize: 8, cornerRadius: 6, xOffset: 10, template: [ '<% if(label){ %>', '<%=label %>: ', '<% } %>', '<%=value %>', ].join(''), multiTemplate: [ '<%if (datasetLabel){ %>', '<%=datasetLabel %>: ', '<% } %>', '<%=value %>' ].join(''), multiKeyBackground: '#fff', }; Chart.Tooltip = Chart.Element.extend({ initialize: function() { var options = this._options; helpers.extend(this, { _model: { // Positioning xPadding: options.tooltips.xPadding, yPadding: options.tooltips.yPadding, xOffset: options.tooltips.xOffset, // Labels textColor: options.tooltips.fontColor, _fontFamily: options.tooltips.fontFamily, _fontStyle: options.tooltips.fontStyle, fontSize: options.tooltips.fontSize, // Title titleTextColor: options.tooltips.titleFontColor, _titleFontFamily: options.tooltips.titleFontFamily, _titleFontStyle: options.tooltips.titleFontStyle, titleFontSize: options.tooltips.titleFontSize, // Appearance caretHeight: options.tooltips.caretSize, cornerRadius: options.tooltips.cornerRadius, backgroundColor: options.tooltips.backgroundColor, opacity: 0, legendColorBackground: options.tooltips.multiKeyBackground, }, }); }, update: function() { var ctx = this._chart.ctx; switch (this._options.hover.mode) { case 'single': helpers.extend(this._model, { text: helpers.template(this._options.tooltips.template, { // These variables are available in the template function. Add others here element: this._active[0], value: this._data.datasets[this._active[0]._datasetIndex].data[this._active[0]._index], label: this._active[0]._model.label !== undefined ? this._active[0]._model.label : this._data.labels ? this._data.labels[this._active[0]._index] : '', }), }); var tooltipPosition = this._active[0].tooltipPosition(); helpers.extend(this._model, { x: Math.round(tooltipPosition.x), y: Math.round(tooltipPosition.y), caretPadding: tooltipPosition.padding }); break; case 'label': // Tooltip Content var dataArray, dataIndex; var labels = [], colors = []; for (var i = this._data.datasets.length - 1; i >= 0; i--) { dataArray = this._data.datasets[i].metaData; dataIndex = helpers.indexOf(dataArray, this._active[0]); if (dataIndex !== -1) { break; } } var medianPosition = (function(index) { // Get all the points at that particular index var elements = [], dataCollection, xPositions = [], yPositions = [], xMax, yMax, xMin, yMin; helpers.each(this._data.datasets, function(dataset) { dataCollection = dataset.metaData; if (dataCollection[dataIndex] && dataCollection[dataIndex].hasValue()) { elements.push(dataCollection[dataIndex]); } }, this); // Reverse labels if stacked helpers.each(this._options.stacked ? elements.reverse() : elements, function(element) { xPositions.push(element._view.x); yPositions.push(element._view.y); //Include any colour information about the element labels.push(helpers.template(this._options.tooltips.multiTemplate, { // These variables are available in the template function. Add others here element: element, datasetLabel: this._data.datasets[element._datasetIndex].label, value: this._data.datasets[element._datasetIndex].data[element._index], })); colors.push({ fill: element._view.backgroundColor, stroke: element._view.borderColor }); }, this); yMin = helpers.min(yPositions); yMax = helpers.max(yPositions); xMin = helpers.min(xPositions); xMax = helpers.max(xPositions); return { x: (xMin > this._chart.width / 2) ? xMin : xMax, y: (yMin + yMax) / 2, }; }).call(this, dataIndex); // Apply for now helpers.extend(this._model, { x: medianPosition.x, y: medianPosition.y, labels: labels, title: (function() { return this._data.timeLabels ? this._data.timeLabels[this._active[0]._index] : (this._data.labels && this._data.labels.length) ? this._data.labels[this._active[0]._index] : ''; }).call(this), legendColors: colors, legendBackgroundColor: this._options.tooltips.multiKeyBackground, }); // Calculate Appearance Tweaks this._model.height = (labels.length * this._model.fontSize) + ((labels.length - 1) * (this._model.fontSize / 2)) + (this._model.yPadding * 2) + this._model.titleFontSize * 1.5; var titleWidth = ctx.measureText(this._model.title).width, //Label has a legend square as well so account for this. labelWidth = helpers.longestText(ctx, this.font, labels) + this._model.fontSize + 3, longestTextWidth = helpers.max([labelWidth, titleWidth]); this._model.width = longestTextWidth + (this._model.xPadding * 2); var halfHeight = this._model.height / 2; //Check to ensure the height will fit on the canvas if (this._model.y - halfHeight < 0) { this._model.y = halfHeight; } else if (this._model.y + halfHeight > this._chart.height) { this._model.y = this._chart.height - halfHeight; } //Decide whether to align left or right based on position on canvas if (this._model.x > this._chart.width / 2) { this._model.x -= this._model.xOffset + this._model.width; } else { this._model.x += this._model.xOffset; } break; } return this; }, draw: function() { var ctx = this._chart.ctx; var vm = this._view; switch (this._options.hover.mode) { case 'single': ctx.font = helpers.fontString(vm.fontSize, vm._fontStyle, vm._fontFamily); vm.xAlign = "center"; vm.yAlign = "above"; //Distance between the actual element.y position and the start of the tooltip caret var caretPadding = vm.caretPadding || 2; var tooltipWidth = ctx.measureText(vm.text).width + 2 * vm.xPadding, tooltipRectHeight = vm.fontSize + 2 * vm.yPadding, tooltipHeight = tooltipRectHeight + vm.caretHeight + caretPadding; if (vm.x + tooltipWidth / 2 > this._chart.width) { vm.xAlign = "left"; } else if (vm.x - tooltipWidth / 2 < 0) { vm.xAlign = "right"; } if (vm.y - tooltipHeight < 0) { vm.yAlign = "below"; } var tooltipX = vm.x - tooltipWidth / 2, tooltipY = vm.y - tooltipHeight; ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(vm.opacity).rgbString(); // Custom Tooltips if (this._options.tooltips.custom) { this._options.tooltips.custom(this); } if (!this._options.tooltips.enabled) { return; } switch (vm.yAlign) { case "above": //Draw a caret above the x/y ctx.beginPath(); ctx.moveTo(vm.x, vm.y - caretPadding); ctx.lineTo(vm.x + vm.caretHeight, vm.y - (caretPadding + vm.caretHeight)); ctx.lineTo(vm.x - vm.caretHeight, vm.y - (caretPadding + vm.caretHeight)); ctx.closePath(); ctx.fill(); break; case "below": tooltipY = vm.y + caretPadding + vm.caretHeight; //Draw a caret below the x/y ctx.beginPath(); ctx.moveTo(vm.x, vm.y + caretPadding); ctx.lineTo(vm.x + vm.caretHeight, vm.y + caretPadding + vm.caretHeight); ctx.lineTo(vm.x - vm.caretHeight, vm.y + caretPadding + vm.caretHeight); ctx.closePath(); ctx.fill(); break; } switch (vm.xAlign) { case "left": tooltipX = vm.x - tooltipWidth + (vm.cornerRadius + vm.caretHeight); break; case "right": tooltipX = vm.x - (vm.cornerRadius + vm.caretHeight); break; } helpers.drawRoundedRectangle(ctx, tooltipX, tooltipY, tooltipWidth, tooltipRectHeight, vm.cornerRadius); ctx.fill(); ctx.fillStyle = helpers.color(vm.textColor).alpha(vm.opacity).rgbString(); ctx.textAlign = "center"; ctx.textBaseline = "middle"; ctx.fillText(vm.text, tooltipX + tooltipWidth / 2, tooltipY + tooltipRectHeight / 2); break; case 'label': // Custom Tooltips if (this._options.tooltips.custom) { this._options.tooltips.custom(this); } if (!this._options.tooltips.enabled) { return; } helpers.drawRoundedRectangle(ctx, vm.x, vm.y - vm.height / 2, vm.width, vm.height, vm.cornerRadius); ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(vm.opacity).rgbString(); ctx.fill(); ctx.closePath(); ctx.textAlign = "left"; ctx.textBaseline = "middle"; ctx.fillStyle = helpers.color(vm.titleTextColor).alpha(vm.opacity).rgbString(); ctx.font = helpers.fontString(vm.fontSize, vm._titleFontStyle, vm._titleFontFamily); ctx.fillText(vm.title, vm.x + vm.xPadding, this.getLineHeight(0)); ctx.font = helpers.fontString(vm.fontSize, vm._fontStyle, vm._fontFamily); helpers.each(vm.labels, function(label, index) { ctx.fillStyle = helpers.color(vm.textColor).alpha(vm.opacity).rgbString(); ctx.fillText(label, vm.x + vm.xPadding + vm.fontSize + 3, this.getLineHeight(index + 1)); //A bit gnarly, but clearing this rectangle breaks when using explorercanvas (clears whole canvas) //ctx.clearRect(vm.x + vm.xPadding, this.getLineHeight(index + 1) - vm.fontSize/2, vm.fontSize, vm.fontSize); //Instead we'll make a white filled block to put the legendColour palette over. ctx.fillStyle = helpers.color(vm.legendColors[index].stroke).alpha(vm.opacity).rgbString(); ctx.fillRect(vm.x + vm.xPadding - 1, this.getLineHeight(index + 1) - vm.fontSize / 2 - 1, vm.fontSize + 2, vm.fontSize + 2); ctx.fillStyle = helpers.color(vm.legendColors[index].fill).alpha(vm.opacity).rgbString(); ctx.fillRect(vm.x + vm.xPadding, this.getLineHeight(index + 1) - vm.fontSize / 2, vm.fontSize, vm.fontSize); }, this); break; } }, getLineHeight: function(index) { var baseLineHeight = this._view.y - (this._view.height / 2) + this._view.yPadding, afterTitleIndex = index - 1; //If the index is zero, we're getting the title if (index === 0) { return baseLineHeight + this._view.titleFontSize / 2; } else { return baseLineHeight + ((this._view.fontSize * 1.5 * afterTitleIndex) + this._view.fontSize / 2) + this._view.titleFontSize * 1.5; } }, }); }).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 = function(chart, datasetIndex) { this.initialize.call(this, chart, datasetIndex); }; helpers.extend(Chart.controllers.bar.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]; }, // 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 (dataset.type === 'bar') { ++barCount; } else if (dataset.type === undefined && this.chart.config.type === '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); }, removeElement: function(index) { this.getDataset().metaData.splice(index, 1); }, reset: function() { this.update(true); }, buildOrUpdateElements: function buildOrUpdateElements() { var numData = this.getDataset().data.length; var numRectangles = this.getDataset().metaData.length; // Make sure that we handle number of datapoints changing if (numData < numRectangles) { // Remove excess bars for data points that have been removed this.getDataset().metaData.splice(numData, numRectangles - numData); } else if (numData > numRectangles) { // Add new elements for (var index = numRectangles; index < numData; ++index) { this.addElementAndReset(index); } } }, 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++) { if (this.chart.data.datasets[i].yAxisID === yScale.id) { base += this.chart.data.datasets[i].data[index] < 0 ? this.chart.data.datasets[i].data[index] : 0; } } } else { for (var j = 0; j < datasetIndex; j++) { if (this.chart.data.datasets[j].yAxisID === yScale.id) { base += this.chart.data.datasets[j].data[index] > 0 ? this.chart.data.datasets[j].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.chart.isCombo ? this.chart.data.datasets.length : helpers.where(this.chart.data.datasets, function(ds) { return ds.type == 'bar'; }).length; var tickWidth = (function() { var min = xScale.getPixelForValue(null, 1) - xScale.getPixelForValue(null, 0); for (var i = 2; i < this.getDataset().data.length; i++) { min = Math.min(xScale.getPixelForValue(null, i) - xScale.getPixelForValue(null, 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; }, calculateBarX: function(index, datasetIndex) { var yScale = this.getScaleForID(this.getDataset().yAxisID); var xScale = this.getScaleForID(this.getDataset().xAxisID); var ruler = this.getRuler(); var leftTick = xScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo); leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0; if (yScale.options.stacked) { return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing; } return leftTick + (ruler.barWidth / 2) + ruler.categorySpacing + (ruler.barWidth * datasetIndex) + (ruler.barSpacing / 2) + (ruler.barSpacing * datasetIndex); }, 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++) { if (this.chart.data.datasets[i].data[index] < 0) { sumNeg += this.chart.data.datasets[i].data[index] || 0; } else { sumPos += this.chart.data.datasets[i].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, //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, }, hover: { mode: 'single' }, //The percentage of the chart that we cut out of the middle. cutoutPercentage: 50, }; Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut); helpers.extend(Chart.defaults.pie, { cutoutPercentage: 0 }); Chart.controllers.doughnut = Chart.controllers.pie = function(chart, datasetIndex) { this.initialize.call(this, chart, datasetIndex); }; helpers.extend(Chart.controllers.doughnut.prototype, { initialize: function(chart, datasetIndex) { this.chart = chart; this.index = datasetIndex; this.linkScales(); this.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { // no scales for doughnut }, getDataset: function() { return this.chart.data.datasets[this.index]; }, 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); }, removeElement: function(index) { this.getDataset().metaData.splice(index, 1); }, reset: function() { this.update(true); }, buildOrUpdateElements: function buildOrUpdateElements() { // Make sure we have metaData for each data point var numData = this.getDataset().data.length; var numArcs = this.getDataset().metaData.length; // Make sure that we handle number of datapoints changing if (numData < numArcs) { // Remove excess bars for data points that have been removed this.getDataset().metaData.splice(numData, numArcs - numData) } else if (numData > numArcs) { // Add new elements for (var index = numArcs; index < numData; ++index) { this.addElementAndReset(index); } } }, update: function update(reset) { this.chart.outerRadius = Math.max((helpers.min([this.chart.chart.width, this.chart.chart.height]) / 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.chart.data.datasets.length; 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 resetModel = { x: this.chart.chart.width / 2, y: this.chart.chart.height / 2, 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 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: this.chart.chart.width / 2, y: this.chart.chart.height / 2, 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) { 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 = function(chart, datasetIndex) { this.initialize.call(this, chart, datasetIndex); }; helpers.extend(Chart.controllers.line.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]; }, 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(); }, removeElement: function(index) { this.getDataset().metaData.splice(index, 1); }, reset: function() { this.update(true); }, buildOrUpdateElements: function buildOrUpdateElements() { // Handle the number of data points changing var numData = this.getDataset().data.length; var numPoints = this.getDataset().metaData.length; // Make sure that we handle number of datapoints changing if (numData < numPoints) { // Remove excess bars for data points that have been removed this.getDataset().metaData.splice(numData, numPoints - numData); } else if (numData > numPoints) { // Add new elements for (var index = numPoints; index < numData; ++index) { this.addElementAndReset(index); } } }, 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 : (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), skipNull: this.getDataset().skipNull !== undefined ? this.getDataset().skipNull : this.chart.options.elements.line.skipNull, drawNull: this.getDataset().drawNull !== undefined ? this.getDataset().drawNull : this.chart.options.elements.line.drawNull, // 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(); }, 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 : yScale.getPixelForValue(this.getDataset().data[index], index, this.index), // Appearance tension: point.custom && point.custom.tension ? point.custom.tension : (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: 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), skip: point.custom && point.custom.skip ? point.custom.skip : this.getDataset().data[index] === null, // Tooltip hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius), }, }); }, 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 ); point._model.controlPointPreviousX = controlPoints.previous.x; point._model.controlPointNextX = controlPoints.next.x; // Prevent the bezier going outside of the bounds of the graph // Cap outer bezier handles to the upper/lower scale bounds if (controlPoints.next.y > this.chart.chartArea.bottom) { point._model.controlPointNextY = this.chart.chartArea.bottom; } else if (controlPoints.next.y < this.chart.chartArea.top) { point._model.controlPointNextY = this.chart.chartArea.top; } else { point._model.controlPointNextY = controlPoints.next.y; } // Cap inner bezier handles to the upper/lower scale bounds if (controlPoints.previous.y > this.chart.chartArea.bottom) { point._model.controlPointPreviousY = this.chart.chartArea.bottom; } else if (controlPoints.previous.y < this.chart.chartArea.top) { point._model.controlPointPreviousY = this.chart.chartArea.top; } else { point._model.controlPointPreviousY = controlPoints.previous.y; } // 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 = 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, //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, }; Chart.controllers.polarArea = function(chart, datasetIndex) { this.initialize.call(this, chart, datasetIndex); }; helpers.extend(Chart.controllers.polarArea.prototype, { initialize: function(chart, datasetIndex) { this.chart = chart; this.index = datasetIndex; this.linkScales(); this.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { // no scales for doughnut }, getDataset: function() { return this.chart.data.datasets[this.index]; }, getScaleForId: function(scaleID) { return this.chart.scales[scaleID]; }, 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); }, removeElement: function(index) { this.getDataset().metaData.splice(index, 1); }, reset: function() { this.update(true); }, buildOrUpdateElements: function buildOrUpdateElements() { // Handle the number of data points changing var numData = this.getDataset().data.length; var numPoints = this.getDataset().metaData.length; // Make sure that we handle number of datapoints changing if (numData < numPoints) { // Remove excess bars for data points that have been removed this.getDataset().metaData.splice(numData, numPoints - numData) } else if (numData > numPoints) { // Add new elements for (var index = numPoints; index < numData; ++index) { this.addElementAndReset(index); } } }, update: function update(reset) { this.chart.outerRadius = Math.max((helpers.min([this.chart.chart.width, this.chart.chart.height]) - 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.chart.data.datasets.length; 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 = 1 / this.getDataset().data.length * 2; var startAngle = (-0.5 * Math.PI) + (Math.PI * circumference) * index; var endAngle = startAngle + (circumference * Math.PI); var resetModel = { x: this.chart.chart.width / 2, y: this.chart.chart.height / 2, 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, // Desired view properties _model: reset ? resetModel : { x: this.chart.chart.width / 2, y: this.chart.chart.height / 2, 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 (this.getDataset().total > 0) { return (Math.PI * 2) * (value / this.getDataset().total); } else { return 0; } }, updateScaleRange: function() { helpers.extend(this.chart.scale, { size: helpers.min([this.chart.width, this.chart.height]), xCenter: this.chart.width / 2, yCenter: this.chart.height / 2 }); }, }); return; Chart.Type.extend({}); }).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 = function(chart, datasetIndex) { this.initialize.call(this, chart, datasetIndex); }; helpers.extend(Chart.controllers.radar.prototype, { initialize: function(chart, datasetIndex) { this.chart = chart; this.index = datasetIndex; this.linkScales(); this.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { // No need. Single scale only }, getDataset: function() { return this.chart.data.datasets[this.index]; }, getScaleForId: function(scaleID) { return this.chart.scales[scaleID]; }, 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(); }, removeElement: function(index) { this.getDataset().metaData.splice(index, 1); }, reset: function() { this.update(true); }, buildOrUpdateElements: function buildOrUpdateElements() { // Handle the number of data points changing var numData = this.getDataset().data.length; var numPoints = this.getDataset().metaData.length; // Make sure that we handle number of datapoints changing if (numData < numPoints) { // Remove excess bars for data points that have been removed this.getDataset().metaData.splice(numData, numPoints - numData) } else if (numData > numPoints) { // Add new elements for (var index = numPoints; index < numData; ++index) { this.addElementAndReset(index); } } }, 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: 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 skipNull: this.getDataset().skipNull !== undefined ? this.getDataset().skipNull : this.chart.options.elements.line.skipNull, drawNull: this.getDataset().drawNull !== undefined ? this.getDataset().drawNull : this.chart.options.elements.line.drawNull, // 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, // 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 : 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), skip: point.custom && point.custom.skip ? point.custom.skip : this.getDataset().data[index] === null, // Tooltip hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius), }, }); }, 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 ); point._model.controlPointPreviousX = controlPoints.previous.x; point._model.controlPointNextX = controlPoints.next.x; // Prevent the bezier going outside of the bounds of the graph // Cap outer bezier handles to the upper/lower scale bounds if (controlPoints.next.y > this.chart.chartArea.bottom) { point._model.controlPointNextY = this.chart.chartArea.bottom; } else if (controlPoints.next.y < this.chart.chartArea.top) { point._model.controlPointNextY = this.chart.chartArea.top; } else { point._model.controlPointNextY = controlPoints.next.y; } // Cap inner bezier handles to the upper/lower scale bounds if (controlPoints.previous.y > this.chart.chartArea.bottom) { point._model.controlPointPreviousY = this.chart.chartArea.bottom; } else if (controlPoints.previous.y < this.chart.chartArea.top) { point._model.controlPointPreviousY = this.chart.chartArea.top; } else { point._model.controlPointPreviousY = controlPoints.previous.y; } // 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.data.labels; }, // 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.data.labels.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var valueOffset = (valueWidth * index) + this.paddingLeft; if (this.options.gridLines.offsetGridLines && includeOffset) { valueOffset += (valueWidth / 2); } return this.left + Math.round(valueOffset); } else { var innerHeight = this.height - (this.paddingTop + this.paddingBottom); var valueHeight = innerHeight / Math.max((this.data.labels.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var valueOffset = (valueHeight * index) + this.paddingTop; if (this.options.gridLines.offsetGridLines && includeOffset) { valueOffset += (valueHeight / 2); } return this.top + Math.round(valueOffset); } }, }); Chart.scaleService.registerScaleType("category", DatasetScale, defaultConfig); }).call(this); (function() { "use strict"; var root = this, Chart = root.Chart, helpers = Chart.helpers; var defaultConfig = { position: "left", }; var LinearScale = Chart.Scale.extend({ buildTicks: function() { // First Calculate the range this.min = null; this.max = null; var positiveValues = []; var negativeValues = []; if (this.options.stacked) { helpers.each(this.data.datasets, function(dataset) { if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) { helpers.each(dataset.data, function(rawValue, index) { var value = this.getRightValue(rawValue); 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); var values = positiveValues.concat(negativeValues); this.min = helpers.min(values); this.max = helpers.max(values); } else { helpers.each(this.data.datasets, function(dataset) { if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) { helpers.each(dataset.data, function(rawValue, index) { var value = this.getRightValue(rawValue); 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++; } // 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(11, Math.ceil(this.width / 50)); } else { // The factor of 2 used to scale the font size has been experimentally determined. maxTicks = Math.min(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. // 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; } } 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); } 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); 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); }, // 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 pixel; var range = this.end - this.start; if (this.isHorizontal()) { var innerWidth = this.width - (this.paddingLeft + this.paddingRight); pixel = this.left + (innerWidth / range * (this.getRightValue(value) - this.start)); return Math.round(pixel + this.paddingLeft); } else { var innerHeight = this.height - (this.paddingTop + this.paddingBottom); pixel = (this.bottom - this.paddingBottom) - (innerHeight / range * (this.getRightValue(value) - this.start)); return Math.round(pixel); } }, // Get the correct value. If the value type is object get the x or y based on whether we are horizontal or not getRightValue: function(rawValue) { return (typeof(rawValue) === "object" && rawValue !== null) ? (this.isHorizontal() ? rawValue.x : rawValue.y) : rawValue; }, }); 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: { template: "<%var remain = value / (Math.pow(10, Math.floor(Chart.helpers.log10(value))));if (remain === 1 || remain === 2 || remain === 5) {%><%=value.toExponential()%><%} else {%><%= null %><%}%>", } }; var LogarithmicScale = Chart.Scale.extend({ buildTicks: function() { // Calculate Range (we may break this out into it's own lifecycle function) this.min = null; this.max = null; var values = []; if (this.options.stacked) { helpers.each(this.data.datasets, function(dataset) { if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) { helpers.each(dataset.data, function(rawValue, index) { var value = this.getRightValue(rawValue); 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); this.min = helpers.min(values); this.max = helpers.max(values); } else { helpers.each(this.data.datasets, function(dataset) { if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) { helpers.each(dataset.data, function(rawValue, index) { var value = this.getRightValue(rawValue); 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) { 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; } } // 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 minExponent = Math.floor(helpers.log10(this.min)); var maxExponent = Math.ceil(helpers.log10(this.max)); for (var exponent = minExponent; exponent < maxExponent; ++exponent) { for (var i = 1; i < 10; ++i) { this.tickValues.push(i * Math.pow(10, exponent)); } } this.tickValues.push(1.0 * Math.pow(10, maxExponent)); 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 value. If the value type is object get the x or y based on whether we are horizontal or not getRightValue: function(rawValue) { return typeof rawValue === "object" ? (this.isHorizontal() ? rawValue.x : rawValue.y) : rawValue; }, 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: { show: 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.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); }, buildTicks: function() { this.min = null; this.max = null; helpers.each(this.data.datasets, function(dataset) { helpers.each(dataset.data, function(value, index) { if (value === null) 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++; } 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(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. // 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; } } 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); }, 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(helpers.template(this.options.ticks.template, { value: this.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.cos(thisAngle) * distanceFromCenter) + this.xCenter, y: (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.show) { 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.show) { 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.show) { 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.data.labels.length, halfLabelsCount = this.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.data.labels[i], pointLabelPosition.x, pointLabelPosition.y); } } } } }); Chart.scaleService.registerScaleType("radialLinear", LinearRadialScale, defaultConfig); }).call(this); (function() { "use strict"; if (!window.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: [ 'millisecond', 'second', 'minute', 'hour', 'day', 'week', 'month', 'quarter', 'year', ], unit: { 'millisecond': { display: 'SSS [ms]', // 002 ms maxStep: 1000, }, 'second': { display: 'h:mm:ss a', // 11:20:01 AM maxStep: 60, }, 'minute': { display: 'h:mm:ss a', // 11:20:01 AM maxStep: 60, }, 'hour': { display: 'MMM D, hA', // Sept 4, 5PM maxStep: 24, }, 'day': { display: 'll', // Sep 4 2015 maxStep: 7, }, 'week': { display: 'll', // Week 46, or maybe "[W]WW - YYYY" ? maxStep: 4.3333, }, 'month': { display: 'MMM YYYY', // Sept 2015 maxStep: 12, }, 'quarter': { display: '[Q]Q - YYYY', // Q3 maxStep: 4, }, 'year': { display: 'YYYY', // 2015 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, // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ }, }; var TimeScale = Chart.Scale.extend({ buildTicks: function(index) { this.ticks = []; this.labelMoments = []; // Parse each label into a moment this.data.labels.forEach(function(label, index) { var labelMoment = this.parseTime(label); if (this.options.time.round) { labelMoment.startOf(this.options.time.round); } this.labelMoments.push(labelMoment); }, this); // Find the first and last moments, and range this.firstTick = moment.min.call(this, this.labelMoments).clone(); this.lastTick = moment.max.call(this, this.labelMoments).clone(); // Set unit override if applicable if (this.options.time.unit) { this.tickUnit = this.options.time.unit || 'day'; this.displayFormat = time.unit[this.tickUnit].display; 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 + 4; 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 = time.unit[this.tickUnit].display; // Work our way up to comfort helpers.each(time.units, function(format) { if (this.tickRange <= labelCapacity) { return; } this.tickUnit = format; this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit) + buffer); this.displayFormat = time.unit[format].display; }, this); } this.firstTick.startOf(this.tickUnit); this.lastTick.endOf(this.tickUnit); this.smallestLabelSeparation = this.width; var i = 0; for (i = 1; i < this.labelMoments.length; i++) { this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[i].diff(this.labelMoments[i - 1], this.tickUnit, true)); } // 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 (i = 0; i <= this.tickRange; ++i) { this.ticks.push(this.firstTick.clone().add(i, this.tickUnit)); } }, convertTicksToLabels: function() { this.ticks = this.ticks.map(function(tick, index, ticks) { var formattedTick = tick.format(this.options.time.displayFormat ? this.options.time.displayFormat : time.unit[this.tickUnit].display); if (this.options.ticks.userCallback) { return this.options.ticks.userCallback(formattedTick, index, ticks); } else { return formattedTick; } }, this); }, getPixelForValue: function(value, index, datasetIndex, includeOffset) { var offset = this.labelMoments[index].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 { //return this.top + (decimal * (this.height / this.ticks.length)); 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); /*! * Chart.js * http://chartjs.org/ * Version: 2.0.0-alpha * * 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-alpha * * 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 skipNull: true, drawNull: false, }; Chart.elements.Line = Chart.Element.extend({ draw: function() { var vm = this._view; var ctx = this._chart.ctx; var first = this._children[0]; var last = this._children[this._children.length - 1]; ctx.save(); // Draw the background first (so the border is always on top) helpers.each(this._children, function(point, index) { var previous = helpers.previousItem(this._children, index); var next = helpers.nextItem(this._children, index); // First point only if (index === 0) { ctx.moveTo(point._view.x, point._view.y); return; } // Start Skip and drag along scale baseline if (point._view.skip && vm.skipNull && !this._loop) { ctx.lineTo(previous._view.x, point._view.y); ctx.moveTo(next._view.x, point._view.y); } // End Skip Stright line from the base line else if (previous._view.skip && vm.skipNull && !this._loop) { ctx.moveTo(point._view.x, previous._view.y); ctx.lineTo(point._view.x, point._view.y); } if (previous._view.skip && vm.skipNull) { ctx.moveTo(point._view.x, point._view.y); } // Normal Bezier Curve else { if (vm.tension > 0) { ctx.bezierCurveTo( previous._view.controlPointNextX, previous._view.controlPointNextY, point._view.controlPointPreviousX, point._view.controlPointPreviousY, point._view.x, point._view.y ); } else { ctx.lineTo(point._view.x, point._view.y); } } }, this); // For radial scales, loop back around to the first point if (this._loop) { if (vm.tension > 0 && !first._view.skip) { ctx.bezierCurveTo( last._view.controlPointNextX, last._view.controlPointNextY, first._view.controlPointPreviousX, first._view.controlPointPreviousY, first._view.x, first._view.y ); } else { ctx.lineTo(first._view.x, first._view.y); } } // If we had points and want to fill this line, do so. if (this._children.length > 0 && vm.fill) { //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); // First point only if (index === 0) { ctx.moveTo(point._view.x, point._view.y); return; } // Start Skip and drag along scale baseline if (point._view.skip && vm.skipNull && !this._loop) { ctx.moveTo(previous._view.x, point._view.y); ctx.moveTo(next._view.x, point._view.y); return; } // End Skip Stright line from the base line if (previous._view.skip && vm.skipNull && !this._loop) { ctx.moveTo(point._view.x, previous._view.y); ctx.moveTo(point._view.x, point._view.y); return; } if (previous._view.skip && vm.skipNull) { ctx.moveTo(point._view.x, point._view.y); return; } // Normal Bezier Curve if (vm.tension > 0) { ctx.bezierCurveTo( previous._view.controlPointNextX, previous._view.controlPointNextY, point._view.controlPointPreviousX, point._view.controlPointPreviousY, point._view.x, point._view.y ); } else { ctx.lineTo(point._view.x, point._view.y); } }, this); if (this._loop && !first._view.skip) { if (vm.tension > 0) { ctx.bezierCurveTo( last._view.controlPointNextX, last._view.controlPointNextY, first._view.controlPointPreviousX, first._view.controlPointPreviousY, first._view.x, first._view.y ); } else { ctx.lineTo(first._view.x, first._view.y); } } ctx.stroke(); ctx.restore(); }, }); }).call(this); /*! * Chart.js * http://chartjs.org/ * Version: 2.0.0-alpha * * 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; if (vm.y < vm.base) { return { x: vm.x, y: vm.y }; } else { return { x: vm.x, y: vm.base }; } }, }); }).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 = { aspectRatio: 1, legendTemplate: "
    -legend\"><% for (var i = 0; i < data.datasets[0].data.length; i++){%>
  • \"><%if(data.labels && i < data.labels.length){%><%=data.labels[i]%><%}%>
  • <%}%>
", }; Chart.Doughnut = function(context, config) { config.options = helpers.configMerge(defaultConfig, config.options); 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; var defaultConfig = { aspectRatio: 1, legendTemplate: "
    -legend\"><% for (var i = 0; i < data.datasets[0].data.length; i++){%>
  • \"><%if(data.labels && i < data.labels.length){%><%=data.labels[i]%><%}%>
  • <%}%>
", }; Chart.PolarArea = function(context, config) { config.options = helpers.configMerge(defaultConfig, config.options); 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: { template: "(<%= value.x %>, <%= value.y %>)", multiTemplate: "<%if (datasetLabel){%><%=datasetLabel%>: <%}%>(<%= value.x %>, <%= value.y %>)", }, }; Chart.Scatter = function(context, config) { config.options = helpers.configMerge(defaultConfig, config.options); config.type = 'line'; return new Chart(context, config); } }).call(this);