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File: Chart.js
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: PHP Statistical Analysis using Data Inference
Analyze a set of numbers to extract statistics
Author: By
Last change:
Date: 6 years ago
Size: 313,805 bytes
 

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/*! * Chart.js * http://chartjs.org/ * Version: 2.3.0 * * Copyright 2016 Nick Downie * Released under the MIT license * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md */ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ },{}],2:[function(require,module,exports){ /* MIT license */ var colorNames = require(6); module.exports = { getRgba: getRgba, getHsla: getHsla, getRgb: getRgb, getHsl: getHsl, getHwb: getHwb, getAlpha: getAlpha, hexString: hexString, rgbString: rgbString, rgbaString: rgbaString, percentString: percentString, percentaString: percentaString, hslString: hslString, hslaString: hslaString, hwbString: hwbString, keyword: keyword } function getRgba(string) { if (!string) { return; } var abbr = /^#([a-fA-F0-9]{3})$/, hex = /^#([a-fA-F0-9]{6})$/, rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, keyword = /(\w+)/; var rgb = [0, 0, 0], a = 1, match = string.match(abbr); if (match) { match = match[1]; for (var i = 0; i < rgb.length; i++) { rgb[i] = parseInt(match[i] + match[i], 16); } } else if (match = string.match(hex)) { match = match[1]; for (var i = 0; i < rgb.length; i++) { rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); } } else if (match = string.match(rgba)) { for (var i = 0; i < rgb.length; i++) { rgb[i] = parseInt(match[i + 1]); } a = parseFloat(match[4]); } else if (match = string.match(per)) { for (var i = 0; i < rgb.length; i++) { rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); } a = parseFloat(match[4]); } else if (match = string.match(keyword)) { if (match[1] == "transparent") { return [0, 0, 0, 0]; } rgb = colorNames[match[1]]; if (!rgb) { return; } } for (var i = 0; i < rgb.length; i++) { rgb[i] = scale(rgb[i], 0, 255); } if (!a && a != 0) { a = 1; } else { a = scale(a, 0, 1); } rgb[3] = a; return rgb; } function getHsla(string) { if (!string) { return; } var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; var match = string.match(hsl); if (match) { var alpha = parseFloat(match[4]); var h = scale(parseInt(match[1]), 0, 360), s = scale(parseFloat(match[2]), 0, 100), l = scale(parseFloat(match[3]), 0, 100), a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); return [h, s, l, a]; } } function getHwb(string) { if (!string) { return; } var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; var match = string.match(hwb); if (match) { var alpha = parseFloat(match[4]); var h = scale(parseInt(match[1]), 0, 360), w = scale(parseFloat(match[2]), 0, 100), b = scale(parseFloat(match[3]), 0, 100), a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); return [h, w, b, a]; } } function getRgb(string) { var rgba = getRgba(string); return rgba && rgba.slice(0, 3); } function getHsl(string) { var hsla = getHsla(string); return hsla && hsla.slice(0, 3); } function getAlpha(string) { var vals = getRgba(string); if (vals) { return vals[3]; } else if (vals = getHsla(string)) { return vals[3]; } else if (vals = getHwb(string)) { return vals[3]; } } // generators function hexString(rgb) { return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1]) + hexDouble(rgb[2]); } function rgbString(rgba, alpha) { if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { return rgbaString(rgba, alpha); } return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; } function rgbaString(rgba, alpha) { if (alpha === undefined) { alpha = (rgba[3] !== undefined ? rgba[3] : 1); } return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ", " + alpha + ")"; } function percentString(rgba, alpha) { if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { return percentaString(rgba, alpha); } var r = Math.round(rgba[0]/255 * 100), g = Math.round(rgba[1]/255 * 100), b = Math.round(rgba[2]/255 * 100); return "rgb(" + r + "%, " + g + "%, " + b + "%)"; } function percentaString(rgba, alpha) { var r = Math.round(rgba[0]/255 * 100), g = Math.round(rgba[1]/255 * 100), b = Math.round(rgba[2]/255 * 100); return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; } function hslString(hsla, alpha) { if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { return hslaString(hsla, alpha); } return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; } function hslaString(hsla, alpha) { if (alpha === undefined) { alpha = (hsla[3] !== undefined ? hsla[3] : 1); } return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + alpha + ")"; } // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax // (hwb have alpha optional & 1 is default value) function hwbString(hwb, alpha) { if (alpha === undefined) { alpha = (hwb[3] !== undefined ? hwb[3] : 1); } return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; } function keyword(rgb) { return reverseNames[rgb.slice(0, 3)]; } // helpers function scale(num, min, max) { return Math.min(Math.max(min, num), max); } function hexDouble(num) { var str = num.toString(16).toUpperCase(); return (str.length < 2) ? "0" + str : str; } //create a list of reverse color names var reverseNames = {}; for (var name in colorNames) { reverseNames[colorNames[name]] = name; } },{"6":6}],3:[function(require,module,exports){ /* MIT license */ var convert = require(5); var string = require(2); var Color = function (obj) { if (obj instanceof Color) { return obj; } if (!(this instanceof Color)) { return new Color(obj); } this.values = { rgb: [0, 0, 0], hsl: [0, 0, 0], hsv: [0, 0, 0], hwb: [0, 0, 0], cmyk: [0, 0, 0, 0], alpha: 1 }; // parse Color() argument var vals; if (typeof obj === 'string') { vals = string.getRgba(obj); if (vals) { this.setValues('rgb', vals); } else if (vals = string.getHsla(obj)) { this.setValues('hsl', vals); } else if (vals = string.getHwb(obj)) { this.setValues('hwb', vals); } else { throw new Error('Unable to parse color from string "' + obj + '"'); } } else if (typeof obj === 'object') { vals = obj; if (vals.r !== undefined || vals.red !== undefined) { this.setValues('rgb', vals); } else if (vals.l !== undefined || vals.lightness !== undefined) { this.setValues('hsl', vals); } else if (vals.v !== undefined || vals.value !== undefined) { this.setValues('hsv', vals); } else if (vals.w !== undefined || vals.whiteness !== undefined) { this.setValues('hwb', vals); } else if (vals.c !== undefined || vals.cyan !== undefined) { this.setValues('cmyk', vals); } else { throw new Error('Unable to parse color from object ' + JSON.stringify(obj)); } } }; Color.prototype = { rgb: function () { return this.setSpace('rgb', arguments); }, hsl: function () { return this.setSpace('hsl', arguments); }, hsv: function () { return this.setSpace('hsv', arguments); }, hwb: function () { return this.setSpace('hwb', arguments); }, cmyk: function () { return this.setSpace('cmyk', arguments); }, rgbArray: function () { return this.values.rgb; }, hslArray: function () { return this.values.hsl; }, hsvArray: function () { return this.values.hsv; }, hwbArray: function () { var values = this.values; if (values.alpha !== 1) { return values.hwb.concat([values.alpha]); } return values.hwb; }, cmykArray: function () { return this.values.cmyk; }, rgbaArray: function () { var values = this.values; return values.rgb.concat([values.alpha]); }, hslaArray: function () { var values = this.values; return values.hsl.concat([values.alpha]); }, alpha: function (val) { if (val === undefined) { return this.values.alpha; } this.setValues('alpha', val); return this; }, red: function (val) { return this.setChannel('rgb', 0, val); }, green: function (val) { return this.setChannel('rgb', 1, val); }, blue: function (val) { return this.setChannel('rgb', 2, val); }, hue: function (val) { if (val) { val %= 360; val = val < 0 ? 360 + val : val; } return this.setChannel('hsl', 0, val); }, saturation: function (val) { return this.setChannel('hsl', 1, val); }, lightness: function (val) { return this.setChannel('hsl', 2, val); }, saturationv: function (val) { return this.setChannel('hsv', 1, val); }, whiteness: function (val) { return this.setChannel('hwb', 1, val); }, blackness: function (val) { return this.setChannel('hwb', 2, val); }, value: function (val) { return this.setChannel('hsv', 2, val); }, cyan: function (val) { return this.setChannel('cmyk', 0, val); }, magenta: function (val) { return this.setChannel('cmyk', 1, val); }, yellow: function (val) { return this.setChannel('cmyk', 2, val); }, black: function (val) { return this.setChannel('cmyk', 3, val); }, hexString: function () { return string.hexString(this.values.rgb); }, rgbString: function () { return string.rgbString(this.values.rgb, this.values.alpha); }, rgbaString: function () { return string.rgbaString(this.values.rgb, this.values.alpha); }, percentString: function () { return string.percentString(this.values.rgb, this.values.alpha); }, hslString: function () { return string.hslString(this.values.hsl, this.values.alpha); }, hslaString: function () { return string.hslaString(this.values.hsl, this.values.alpha); }, hwbString: function () { return string.hwbString(this.values.hwb, this.values.alpha); }, keyword: function () { return string.keyword(this.values.rgb, this.values.alpha); }, rgbNumber: function () { var rgb = this.values.rgb; return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; }, luminosity: function () { // http://www.w3.org/TR/WCAG20/#relativeluminancedef var rgb = this.values.rgb; var lum = []; for (var i = 0; i < rgb.length; i++) { var chan = rgb[i] / 255; lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); } return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; }, contrast: function (color2) { // http://www.w3.org/TR/WCAG20/#contrast-ratiodef var lum1 = this.luminosity(); var lum2 = color2.luminosity(); if (lum1 > lum2) { return (lum1 + 0.05) / (lum2 + 0.05); } return (lum2 + 0.05) / (lum1 + 0.05); }, level: function (color2) { var contrastRatio = this.contrast(color2); if (contrastRatio >= 7.1) { return 'AAA'; } return (contrastRatio >= 4.5) ? 'AA' : ''; }, dark: function () { // YIQ equation from http://24ways.org/2010/calculating-color-contrast var rgb = this.values.rgb; var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; return yiq < 128; }, light: function () { return !this.dark(); }, negate: function () { var rgb = []; for (var i = 0; i < 3; i++) { rgb[i] = 255 - this.values.rgb[i]; } this.setValues('rgb', rgb); return this; }, lighten: function (ratio) { var hsl = this.values.hsl; hsl[2] += hsl[2] * ratio; this.setValues('hsl', hsl); return this; }, darken: function (ratio) { var hsl = this.values.hsl; hsl[2] -= hsl[2] * ratio; this.setValues('hsl', hsl); return this; }, saturate: function (ratio) { var hsl = this.values.hsl; hsl[1] += hsl[1] * ratio; this.setValues('hsl', hsl); return this; }, desaturate: function (ratio) { var hsl = this.values.hsl; hsl[1] -= hsl[1] * ratio; this.setValues('hsl', hsl); return this; }, whiten: function (ratio) { var hwb = this.values.hwb; hwb[1] += hwb[1] * ratio; this.setValues('hwb', hwb); return this; }, blacken: function (ratio) { var hwb = this.values.hwb; hwb[2] += hwb[2] * ratio; this.setValues('hwb', hwb); return this; }, greyscale: function () { var rgb = this.values.rgb; // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; this.setValues('rgb', [val, val, val]); return this; }, clearer: function (ratio) { var alpha = this.values.alpha; this.setValues('alpha', alpha - (alpha * ratio)); return this; }, opaquer: function (ratio) { var alpha = this.values.alpha; this.setValues('alpha', alpha + (alpha * ratio)); return this; }, rotate: function (degrees) { var hsl = this.values.hsl; var hue = (hsl[0] + degrees) % 360; hsl[0] = hue < 0 ? 360 + hue : hue; this.setValues('hsl', hsl); return this; }, /** * Ported from sass implementation in C * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 */ mix: function (mixinColor, weight) { var color1 = this; var color2 = mixinColor; var p = weight === undefined ? 0.5 : weight; var w = 2 * p - 1; var a = color1.alpha() - color2.alpha(); var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; var w2 = 1 - w1; return this .rgb( w1 * color1.red() + w2 * color2.red(), w1 * color1.green() + w2 * color2.green(), w1 * color1.blue() + w2 * color2.blue() ) .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); }, toJSON: function () { return this.rgb(); }, clone: function () { // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, // making the final build way to big to embed in Chart.js. So let's do it manually, // assuming that values to clone are 1 dimension arrays containing only numbers, // except 'alpha' which is a number. var result = new Color(); var source = this.values; var target = result.values; var value, type; for (var prop in source) { if (source.hasOwnProperty(prop)) { value = source[prop]; type = ({}).toString.call(value); if (type === '[object Array]') { target[prop] = value.slice(0); } else if (type === '[object Number]') { target[prop] = value; } else { console.error('unexpected color value:', value); } } } return result; } }; Color.prototype.spaces = { rgb: ['red', 'green', 'blue'], hsl: ['hue', 'saturation', 'lightness'], hsv: ['hue', 'saturation', 'value'], hwb: ['hue', 'whiteness', 'blackness'], cmyk: ['cyan', 'magenta', 'yellow', 'black'] }; Color.prototype.maxes = { rgb: [255, 255, 255], hsl: [360, 100, 100], hsv: [360, 100, 100], hwb: [360, 100, 100], cmyk: [100, 100, 100, 100] }; Color.prototype.getValues = function (space) { var values = this.values; var vals = {}; for (var i = 0; i < space.length; i++) { vals[space.charAt(i)] = values[space][i]; } if (values.alpha !== 1) { vals.a = values.alpha; } // {r: 255, g: 255, b: 255, a: 0.4} return vals; }; Color.prototype.setValues = function (space, vals) { var values = this.values; var spaces = this.spaces; var maxes = this.maxes; var alpha = 1; var i; if (space === 'alpha') { alpha = vals; } else if (vals.length) { // [10, 10, 10] values[space] = vals.slice(0, space.length); alpha = vals[space.length]; } else if (vals[space.charAt(0)] !== undefined) { // {r: 10, g: 10, b: 10} for (i = 0; i < space.length; i++) { values[space][i] = vals[space.charAt(i)]; } alpha = vals.a; } else if (vals[spaces[space][0]] !== undefined) { // {red: 10, green: 10, blue: 10} var chans = spaces[space]; for (i = 0; i < space.length; i++) { values[space][i] = vals[chans[i]]; } alpha = vals.alpha; } values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); if (space === 'alpha') { return false; } var capped; // cap values of the space prior converting all values for (i = 0; i < space.length; i++) { capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); values[space][i] = Math.round(capped); } // convert to all the other color spaces for (var sname in spaces) { if (sname !== space) { values[sname] = convert[space][sname](values[space]); } } return true; }; Color.prototype.setSpace = function (space, args) { var vals = args[0]; if (vals === undefined) { // color.rgb() return this.getValues(space); } // color.rgb(10, 10, 10) if (typeof vals === 'number') { vals = Array.prototype.slice.call(args); } this.setValues(space, vals); return this; }; Color.prototype.setChannel = function (space, index, val) { var svalues = this.values[space]; if (val === undefined) { // color.red() return svalues[index]; } else if (val === svalues[index]) { // color.red(color.red()) return this; } // color.red(100) svalues[index] = val; this.setValues(space, svalues); return this; }; if (typeof window !== 'undefined') { window.Color = Color; } module.exports = Color; },{"2":2,"5":5}],4:[function(require,module,exports){ /* MIT license */ module.exports = { rgb2hsl: rgb2hsl, rgb2hsv: rgb2hsv, rgb2hwb: rgb2hwb, rgb2cmyk: rgb2cmyk, rgb2keyword: rgb2keyword, rgb2xyz: rgb2xyz, rgb2lab: rgb2lab, rgb2lch: rgb2lch, hsl2rgb: hsl2rgb, hsl2hsv: hsl2hsv, hsl2hwb: hsl2hwb, hsl2cmyk: hsl2cmyk, hsl2keyword: hsl2keyword, hsv2rgb: hsv2rgb, hsv2hsl: hsv2hsl, hsv2hwb: hsv2hwb, hsv2cmyk: hsv2cmyk, hsv2keyword: hsv2keyword, hwb2rgb: hwb2rgb, hwb2hsl: hwb2hsl, hwb2hsv: hwb2hsv, hwb2cmyk: hwb2cmyk, hwb2keyword: hwb2keyword, cmyk2rgb: cmyk2rgb, cmyk2hsl: cmyk2hsl, cmyk2hsv: cmyk2hsv, cmyk2hwb: cmyk2hwb, cmyk2keyword: cmyk2keyword, keyword2rgb: keyword2rgb, keyword2hsl: keyword2hsl, keyword2hsv: keyword2hsv, keyword2hwb: keyword2hwb, keyword2cmyk: keyword2cmyk, keyword2lab: keyword2lab, keyword2xyz: keyword2xyz, xyz2rgb: xyz2rgb, xyz2lab: xyz2lab, xyz2lch: xyz2lch, lab2xyz: lab2xyz, lab2rgb: lab2rgb, lab2lch: lab2lch, lch2lab: lch2lab, lch2xyz: lch2xyz, lch2rgb: lch2rgb } function rgb2hsl(rgb) { var r = rgb[0]/255, g = rgb[1]/255, b = rgb[2]/255, min = Math.min(r, g, b), max = Math.max(r, g, b), delta = max - min, h, s, l; if (max == min) h = 0; else if (r == max) h = (g - b) / delta; else if (g == max) h = 2 + (b - r) / delta; else if (b == max) h = 4 + (r - g)/ delta; h = Math.min(h * 60, 360); if (h < 0) h += 360; l = (min + max) / 2; if (max == min) s = 0; else if (l <= 0.5) s = delta / (max + min); else s = delta / (2 - max - min); return [h, s * 100, l * 100]; } function rgb2hsv(rgb) { var r = rgb[0], g = rgb[1], b = rgb[2], min = Math.min(r, g, b), max = Math.max(r, g, b), delta = max - min, h, s, v; if (max == 0) s = 0; else s = (delta/max * 1000)/10; if (max == min) h = 0; else if (r == max) h = (g - b) / delta; else if (g == max) h = 2 + (b - r) / delta; else if (b == max) h = 4 + (r - g) / delta; h = Math.min(h * 60, 360); if (h < 0) h += 360; v = ((max / 255) * 1000) / 10; return [h, s, v]; } function rgb2hwb(rgb) { var r = rgb[0], g = rgb[1], b = rgb[2], h = rgb2hsl(rgb)[0], w = 1/255 * Math.min(r, Math.min(g, b)), b = 1 - 1/255 * Math.max(r, Math.max(g, b)); return [h, w * 100, b * 100]; } function rgb2cmyk(rgb) { var r = rgb[0] / 255, g = rgb[1] / 255, b = rgb[2] / 255, c, m, y, k; k = Math.min(1 - r, 1 - g, 1 - b); c = (1 - r - k) / (1 - k) || 0; m = (1 - g - k) / (1 - k) || 0; y = (1 - b - k) / (1 - k) || 0; return [c * 100, m * 100, y * 100, k * 100]; } function rgb2keyword(rgb) { return reverseKeywords[JSON.stringify(rgb)]; } function rgb2xyz(rgb) { var r = rgb[0] / 255, g = rgb[1] / 255, b = rgb[2] / 255; // assume sRGB r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); return [x * 100, y *100, z * 100]; } function rgb2lab(rgb) { var xyz = rgb2xyz(rgb), x = xyz[0], y = xyz[1], z = xyz[2], l, a, b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; } function rgb2lch(args) { return lab2lch(rgb2lab(args)); } function hsl2rgb(hsl) { var h = hsl[0] / 360, s = hsl[1] / 100, l = hsl[2] / 100, t1, t2, t3, rgb, val; if (s == 0) { val = l * 255; return [val, val, val]; } if (l < 0.5) t2 = l * (1 + s); else t2 = l + s - l * s; t1 = 2 * l - t2; rgb = [0, 0, 0]; for (var i = 0; i < 3; i++) { t3 = h + 1 / 3 * - (i - 1); t3 < 0 && t3++; t3 > 1 && t3--; if (6 * t3 < 1) val = t1 + (t2 - t1) * 6 * t3; else if (2 * t3 < 1) val = t2; else if (3 * t3 < 2) val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; else val = t1; rgb[i] = val * 255; } return rgb; } function hsl2hsv(hsl) { var h = hsl[0], s = hsl[1] / 100, l = hsl[2] / 100, sv, v; if(l === 0) { // no need to do calc on black // also avoids divide by 0 error return [0, 0, 0]; } l *= 2; s *= (l <= 1) ? l : 2 - l; v = (l + s) / 2; sv = (2 * s) / (l + s); return [h, sv * 100, v * 100]; } function hsl2hwb(args) { return rgb2hwb(hsl2rgb(args)); } function hsl2cmyk(args) { return rgb2cmyk(hsl2rgb(args)); } function hsl2keyword(args) { return rgb2keyword(hsl2rgb(args)); } function hsv2rgb(hsv) { var h = hsv[0] / 60, s = hsv[1] / 100, v = hsv[2] / 100, hi = Math.floor(h) % 6; var f = h - Math.floor(h), p = 255 * v * (1 - s), q = 255 * v * (1 - (s * f)), t = 255 * v * (1 - (s * (1 - f))), v = 255 * v; switch(hi) { case 0: return [v, t, p]; case 1: return [q, v, p]; case 2: return [p, v, t]; case 3: return [p, q, v]; case 4: return [t, p, v]; case 5: return [v, p, q]; } } function hsv2hsl(hsv) { var h = hsv[0], s = hsv[1] / 100, v = hsv[2] / 100, sl, l; l = (2 - s) * v; sl = s * v; sl /= (l <= 1) ? l : 2 - l; sl = sl || 0; l /= 2; return [h, sl * 100, l * 100]; } function hsv2hwb(args) { return rgb2hwb(hsv2rgb(args)) } function hsv2cmyk(args) { return rgb2cmyk(hsv2rgb(args)); } function hsv2keyword(args) { return rgb2keyword(hsv2rgb(args)); } // http://dev.w3.org/csswg/css-color/#hwb-to-rgb function hwb2rgb(hwb) { var h = hwb[0] / 360, wh = hwb[1] / 100, bl = hwb[2] / 100, ratio = wh + bl, i, v, f, n; // wh + bl cant be > 1 if (ratio > 1) { wh /= ratio; bl /= ratio; } i = Math.floor(6 * h); v = 1 - bl; f = 6 * h - i; if ((i & 0x01) != 0) { f = 1 - f; } n = wh + f * (v - wh); // linear interpolation switch (i) { default: case 6: case 0: r = v; g = n; b = wh; break; case 1: r = n; g = v; b = wh; break; case 2: r = wh; g = v; b = n; break; case 3: r = wh; g = n; b = v; break; case 4: r = n; g = wh; b = v; break; case 5: r = v; g = wh; b = n; break; } return [r * 255, g * 255, b * 255]; } function hwb2hsl(args) { return rgb2hsl(hwb2rgb(args)); } function hwb2hsv(args) { return rgb2hsv(hwb2rgb(args)); } function hwb2cmyk(args) { return rgb2cmyk(hwb2rgb(args)); } function hwb2keyword(args) { return rgb2keyword(hwb2rgb(args)); } function cmyk2rgb(cmyk) { var c = cmyk[0] / 100, m = cmyk[1] / 100, y = cmyk[2] / 100, k = cmyk[3] / 100, r, g, b; r = 1 - Math.min(1, c * (1 - k) + k); g = 1 - Math.min(1, m * (1 - k) + k); b = 1 - Math.min(1, y * (1 - k) + k); return [r * 255, g * 255, b * 255]; } function cmyk2hsl(args) { return rgb2hsl(cmyk2rgb(args)); } function cmyk2hsv(args) { return rgb2hsv(cmyk2rgb(args)); } function cmyk2hwb(args) { return rgb2hwb(cmyk2rgb(args)); } function cmyk2keyword(args) { return rgb2keyword(cmyk2rgb(args)); } function xyz2rgb(xyz) { var x = xyz[0] / 100, y = xyz[1] / 100, z = xyz[2] / 100, r, g, b; r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); // assume sRGB r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) : r = (r * 12.92); g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) : g = (g * 12.92); b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) : b = (b * 12.92); r = Math.min(Math.max(0, r), 1); g = Math.min(Math.max(0, g), 1); b = Math.min(Math.max(0, b), 1); return [r * 255, g * 255, b * 255]; } function xyz2lab(xyz) { var x = xyz[0], y = xyz[1], z = xyz[2], l, a, b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; } function xyz2lch(args) { return lab2lch(xyz2lab(args)); } function lab2xyz(lab) { var l = lab[0], a = lab[1], b = lab[2], x, y, z, y2; if (l <= 8) { y = (l * 100) / 903.3; y2 = (7.787 * (y / 100)) + (16 / 116); } else { y = 100 * Math.pow((l + 16) / 116, 3); y2 = Math.pow(y / 100, 1/3); } x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); return [x, y, z]; } function lab2lch(lab) { var l = lab[0], a = lab[1], b = lab[2], hr, h, c; hr = Math.atan2(b, a); h = hr * 360 / 2 / Math.PI; if (h < 0) { h += 360; } c = Math.sqrt(a * a + b * b); return [l, c, h]; } function lab2rgb(args) { return xyz2rgb(lab2xyz(args)); } function lch2lab(lch) { var l = lch[0], c = lch[1], h = lch[2], a, b, hr; hr = h / 360 * 2 * Math.PI; a = c * Math.cos(hr); b = c * Math.sin(hr); return [l, a, b]; } function lch2xyz(args) { return lab2xyz(lch2lab(args)); } function lch2rgb(args) { return lab2rgb(lch2lab(args)); } function keyword2rgb(keyword) { return cssKeywords[keyword]; } function keyword2hsl(args) { return rgb2hsl(keyword2rgb(args)); } function keyword2hsv(args) { return rgb2hsv(keyword2rgb(args)); } function keyword2hwb(args) { return rgb2hwb(keyword2rgb(args)); } function keyword2cmyk(args) { return rgb2cmyk(keyword2rgb(args)); } function keyword2lab(args) { return rgb2lab(keyword2rgb(args)); } function keyword2xyz(args) { return rgb2xyz(keyword2rgb(args)); } var cssKeywords = { 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] }; var reverseKeywords = {}; for (var key in cssKeywords) { reverseKeywords[JSON.stringify(cssKeywords[key])] = key; } },{}],5:[function(require,module,exports){ var conversions = require(4); var convert = function() { return new Converter(); } for (var func in conversions) { // export Raw versions convert[func + "Raw"] = (function(func) { // accept array or plain args return function(arg) { if (typeof arg == "number") arg = Array.prototype.slice.call(arguments); return conversions[func](arg); } })(func); var pair = /(\w+)2(\w+)/.exec(func), from = pair[1], to = pair[2]; // export rgb2hsl and ["rgb"]["hsl"] convert[from] = convert[from] || {}; convert[from][to] = convert[func] = (function(func) { return function(arg) { if (typeof arg == "number") arg = Array.prototype.slice.call(arguments); var val = conversions[func](arg); if (typeof val == "string" || val === undefined) return val; // keyword for (var i = 0; i < val.length; i++) val[i] = Math.round(val[i]); return val; } })(func); } /* Converter does lazy conversion and caching */ var Converter = function() { this.convs = {}; }; /* Either get the values for a space or set the values for a space, depending on args */ Converter.prototype.routeSpace = function(space, args) { var values = args[0]; if (values === undefined) { // color.rgb() return this.getValues(space); } // color.rgb(10, 10, 10) if (typeof values == "number") { values = Array.prototype.slice.call(args); } return this.setValues(space, values); }; /* Set the values for a space, invalidating cache */ Converter.prototype.setValues = function(space, values) { this.space = space; this.convs = {}; this.convs[space] = values; return this; }; /* Get the values for a space. If there's already a conversion for the space, fetch it, otherwise compute it */ Converter.prototype.getValues = function(space) { var vals = this.convs[space]; if (!vals) { var fspace = this.space, from = this.convs[fspace]; vals = convert[fspace][space](from); this.convs[space] = vals; } return vals; }; ["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { Converter.prototype[space] = function(vals) { return this.routeSpace(space, arguments); } }); module.exports = convert; },{"4":4}],6:[function(require,module,exports){ module.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] }; },{}],7:[function(require,module,exports){ /** * @namespace Chart */ var Chart = require(27)(); require(26)(Chart); require(22)(Chart); require(25)(Chart); require(21)(Chart); require(23)(Chart); require(24)(Chart); require(28)(Chart); require(32)(Chart); require(30)(Chart); require(31)(Chart); require(33)(Chart); require(29)(Chart); require(34)(Chart); require(35)(Chart); require(36)(Chart); require(37)(Chart); require(38)(Chart); require(41)(Chart); require(39)(Chart); require(40)(Chart); require(42)(Chart); require(43)(Chart); require(44)(Chart); // Controllers must be loaded after elements // See Chart.core.datasetController.dataElementType require(15)(Chart); require(16)(Chart); require(17)(Chart); require(18)(Chart); require(19)(Chart); require(20)(Chart); require(8)(Chart); require(9)(Chart); require(10)(Chart); require(11)(Chart); require(12)(Chart); require(13)(Chart); require(14)(Chart); window.Chart = module.exports = Chart; },{"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"18":18,"19":19,"20":20,"21":21,"22":22,"23":23,"24":24,"25":25,"26":26,"27":27,"28":28,"29":29,"30":30,"31":31,"32":32,"33":33,"34":34,"35":35,"36":36,"37":37,"38":38,"39":39,"40":40,"41":41,"42":42,"43":43,"44":44,"8":8,"9":9}],8:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Bar = function(context, config) { config.type = 'bar'; return new Chart(context, config); }; }; },{}],9:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Bubble = function(context, config) { config.type = 'bubble'; return new Chart(context, config); }; }; },{}],10:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Doughnut = function(context, config) { config.type = 'doughnut'; return new Chart(context, config); }; }; },{}],11:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Line = function(context, config) { config.type = 'line'; return new Chart(context, config); }; }; },{}],12:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.PolarArea = function(context, config) { config.type = 'polarArea'; return new Chart(context, config); }; }; },{}],13:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Radar = function(context, config) { config.options = Chart.helpers.configMerge({aspectRatio: 1}, config.options); config.type = 'radar'; return new Chart(context, config); }; }; },{}],14:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var defaultConfig = { hover: { mode: 'single' }, scales: { xAxes: [{ type: 'linear', // scatter should not use a category axis position: 'bottom', id: 'x-axis-1' // need an ID so datasets can reference the scale }], yAxes: [{ type: 'linear', position: 'left', id: 'y-axis-1' }] }, tooltips: { callbacks: { title: function() { // Title doesn't make sense for scatter since we format the data as a point return ''; }, label: function(tooltipItem) { return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')'; } } } }; // Register the default config for this type Chart.defaults.scatter = defaultConfig; // Scatter charts use line controllers Chart.controllers.scatter = Chart.controllers.line; Chart.Scatter = function(context, config) { config.type = 'scatter'; return new Chart(context, config); }; }; },{}],15:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.bar = { hover: { mode: 'label' }, scales: { xAxes: [{ type: 'category', // Specific to Bar Controller categoryPercentage: 0.8, barPercentage: 0.9, // grid line settings gridLines: { offsetGridLines: true } }], yAxes: [{ type: 'linear' }] } }; Chart.controllers.bar = Chart.DatasetController.extend({ dataElementType: Chart.elements.Rectangle, initialize: function(chart, datasetIndex) { Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex); // Use this to indicate that this is a bar dataset. this.getMeta().bar = true; }, // Get the number of datasets that display bars. We use this to correctly calculate the bar width getBarCount: function() { var me = this; var barCount = 0; helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) { var meta = me.chart.getDatasetMeta(datasetIndex); if (meta.bar && me.chart.isDatasetVisible(datasetIndex)) { ++barCount; } }, me); return barCount; }, update: function(reset) { var me = this; helpers.each(me.getMeta().data, function(rectangle, index) { me.updateElement(rectangle, index, reset); }, me); }, updateElement: function(rectangle, index, reset) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var yScale = me.getScaleForId(meta.yAxisID); var scaleBase = yScale.getBasePixel(); var rectangleElementOptions = me.chart.options.elements.rectangle; var custom = rectangle.custom || {}; var dataset = me.getDataset(); helpers.extend(rectangle, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: me.index, _index: index, // Desired view properties _model: { x: me.calculateBarX(index, me.index), y: reset ? scaleBase : me.calculateBarY(index, me.index), // Tooltip label: me.chart.data.labels[index], datasetLabel: dataset.label, // Appearance base: reset ? scaleBase : me.calculateBarBase(me.index, index), width: me.calculateBarWidth(index), backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor), borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleElementOptions.borderSkipped, borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth) } }); rectangle.pivot(); }, calculateBarBase: function(datasetIndex, index) { var me = this; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var base = 0; if (yScale.options.stacked) { var chart = me.chart; var datasets = chart.data.datasets; var value = Number(datasets[datasetIndex].data[index]); for (var i = 0; i < datasetIndex; i++) { var currentDs = datasets[i]; var currentDsMeta = chart.getDatasetMeta(i); if (currentDsMeta.bar && currentDsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { var currentVal = Number(currentDs.data[index]); base += value < 0 ? Math.min(currentVal, 0) : Math.max(currentVal, 0); } } return yScale.getPixelForValue(base); } return yScale.getBasePixel(); }, getRuler: function(index) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var datasetCount = me.getBarCount(); var tickWidth; if (xScale.options.type === 'category') { tickWidth = xScale.getPixelForTick(index + 1) - xScale.getPixelForTick(index); } else { // Average width tickWidth = xScale.width / xScale.ticks.length; } var categoryWidth = tickWidth * xScale.options.categoryPercentage; var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2; var fullBarWidth = categoryWidth / datasetCount; if (xScale.ticks.length !== me.chart.data.labels.length) { var perc = xScale.ticks.length / me.chart.data.labels.length; fullBarWidth = fullBarWidth * perc; } 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(index) { var xScale = this.getScaleForId(this.getMeta().xAxisID); if (xScale.options.barThickness) { return xScale.options.barThickness; } var ruler = this.getRuler(index); return xScale.options.stacked ? ruler.categoryWidth : ruler.barWidth; }, // Get bar index from the given dataset index accounting for the fact that not all bars are visible getBarIndex: function(datasetIndex) { var barIndex = 0; var meta, j; for (j = 0; j < datasetIndex; ++j) { meta = this.chart.getDatasetMeta(j); if (meta.bar && this.chart.isDatasetVisible(j)) { ++barIndex; } } return barIndex; }, calculateBarX: function(index, datasetIndex) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var barIndex = me.getBarIndex(datasetIndex); var ruler = me.getRuler(index); var leftTick = xScale.getPixelForValue(null, index, datasetIndex, me.chart.isCombo); leftTick -= me.chart.isCombo ? (ruler.tickWidth / 2) : 0; if (xScale.options.stacked) { return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing; } return leftTick + (ruler.barWidth / 2) + ruler.categorySpacing + (ruler.barWidth * barIndex) + (ruler.barSpacing / 2) + (ruler.barSpacing * barIndex); }, calculateBarY: function(index, datasetIndex) { var me = this; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var value = Number(me.getDataset().data[index]); if (yScale.options.stacked) { var sumPos = 0, sumNeg = 0; for (var i = 0; i < datasetIndex; i++) { var ds = me.chart.data.datasets[i]; var dsMeta = me.chart.getDatasetMeta(i); if (dsMeta.bar && dsMeta.yAxisID === yScale.id && me.chart.isDatasetVisible(i)) { var stackedVal = Number(ds.data[index]); if (stackedVal < 0) { sumNeg += stackedVal || 0; } else { sumPos += stackedVal || 0; } } } if (value < 0) { return yScale.getPixelForValue(sumNeg + value); } return yScale.getPixelForValue(sumPos + value); } return yScale.getPixelForValue(value); }, draw: function(ease) { var me = this; var easingDecimal = ease || 1; helpers.each(me.getMeta().data, function(rectangle, index) { var d = me.getDataset().data[index]; if (d !== null && d !== undefined && !isNaN(d)) { rectangle.transition(easingDecimal).draw(); } }, me); }, setHoverStyle: function(rectangle) { var dataset = this.chart.data.datasets[rectangle._datasetIndex]; var index = rectangle._index; var custom = rectangle.custom || {}; var model = rectangle._model; model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); }, removeHoverStyle: function(rectangle) { var dataset = this.chart.data.datasets[rectangle._datasetIndex]; var index = rectangle._index; var custom = rectangle.custom || {}; var model = rectangle._model; var rectangleElementOptions = this.chart.options.elements.rectangle; model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth); } }); // including horizontalBar in the bar file, instead of a file of its own // it extends bar (like pie extends doughnut) Chart.defaults.horizontalBar = { hover: { mode: 'label' }, scales: { xAxes: [{ type: 'linear', position: 'bottom' }], yAxes: [{ position: 'left', type: 'category', // Specific to Horizontal Bar Controller categoryPercentage: 0.8, barPercentage: 0.9, // grid line settings gridLines: { offsetGridLines: true } }] }, elements: { rectangle: { borderSkipped: 'left' } }, tooltips: { callbacks: { title: function(tooltipItems, data) { // Pick first xLabel for now var title = ''; if (tooltipItems.length > 0) { if (tooltipItems[0].yLabel) { title = tooltipItems[0].yLabel; } else if (data.labels.length > 0 && tooltipItems[0].index < data.labels.length) { title = data.labels[tooltipItems[0].index]; } } return title; }, label: function(tooltipItem, data) { var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; return datasetLabel + ': ' + tooltipItem.xLabel; } } } }; Chart.controllers.horizontalBar = Chart.controllers.bar.extend({ updateElement: function(rectangle, index, reset) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var yScale = me.getScaleForId(meta.yAxisID); var scaleBase = xScale.getBasePixel(); var custom = rectangle.custom || {}; var dataset = me.getDataset(); var rectangleElementOptions = me.chart.options.elements.rectangle; helpers.extend(rectangle, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: me.index, _index: index, // Desired view properties _model: { x: reset ? scaleBase : me.calculateBarX(index, me.index), y: me.calculateBarY(index, me.index), // Tooltip label: me.chart.data.labels[index], datasetLabel: dataset.label, // Appearance base: reset ? scaleBase : me.calculateBarBase(me.index, index), height: me.calculateBarHeight(index), backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor), borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleElementOptions.borderSkipped, borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth) }, draw: function() { var ctx = this._chart.ctx; var vm = this._view; var halfHeight = vm.height / 2, topY = vm.y - halfHeight, bottomY = vm.y + halfHeight, right = vm.base - (vm.base - vm.x), 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) { topY += halfStroke; bottomY -= halfStroke; right += halfStroke; } ctx.beginPath(); ctx.fillStyle = vm.backgroundColor; ctx.strokeStyle = vm.borderColor; ctx.lineWidth = vm.borderWidth; // Corner points, from bottom-left to bottom-right clockwise // | 1 2 | // | 0 3 | var corners = [ [vm.base, bottomY], [vm.base, topY], [right, topY], [right, bottomY] ]; // Find first (starting) corner with fallback to 'bottom' var borders = ['bottom', 'left', 'top', 'right']; var startCorner = borders.indexOf(vm.borderSkipped, 0); if (startCorner === -1) { startCorner = 0; } function cornerAt(cornerIndex) { return corners[(startCorner + cornerIndex) % 4]; } // Draw rectangle from 'startCorner' ctx.moveTo.apply(ctx, cornerAt(0)); for (var i = 1; i < 4; i++) { ctx.lineTo.apply(ctx, cornerAt(i)); } ctx.fill(); if (vm.borderWidth) { ctx.stroke(); } }, inRange: function(mouseX, mouseY) { var vm = this._view; var inRange = false; if (vm) { if (vm.x < vm.base) { inRange = (mouseY >= vm.y - vm.height / 2 && mouseY <= vm.y + vm.height / 2) && (mouseX >= vm.x && mouseX <= vm.base); } else { inRange = (mouseY >= vm.y - vm.height / 2 && mouseY <= vm.y + vm.height / 2) && (mouseX >= vm.base && mouseX <= vm.x); } } return inRange; } }); rectangle.pivot(); }, calculateBarBase: function(datasetIndex, index) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var base = 0; if (xScale.options.stacked) { var chart = me.chart; var datasets = chart.data.datasets; var value = Number(datasets[datasetIndex].data[index]); for (var i = 0; i < datasetIndex; i++) { var currentDs = datasets[i]; var currentDsMeta = chart.getDatasetMeta(i); if (currentDsMeta.bar && currentDsMeta.xAxisID === xScale.id && chart.isDatasetVisible(i)) { var currentVal = Number(currentDs.data[index]); base += value < 0 ? Math.min(currentVal, 0) : Math.max(currentVal, 0); } } return xScale.getPixelForValue(base); } return xScale.getBasePixel(); }, getRuler: function(index) { var me = this; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var datasetCount = me.getBarCount(); var tickHeight; if (yScale.options.type === 'category') { tickHeight = yScale.getPixelForTick(index + 1) - yScale.getPixelForTick(index); } else { // Average width tickHeight = yScale.width / yScale.ticks.length; } var categoryHeight = tickHeight * yScale.options.categoryPercentage; var categorySpacing = (tickHeight - (tickHeight * yScale.options.categoryPercentage)) / 2; var fullBarHeight = categoryHeight / datasetCount; if (yScale.ticks.length !== me.chart.data.labels.length) { var perc = yScale.ticks.length / me.chart.data.labels.length; fullBarHeight = fullBarHeight * perc; } var barHeight = fullBarHeight * yScale.options.barPercentage; var barSpacing = fullBarHeight - (fullBarHeight * yScale.options.barPercentage); return { datasetCount: datasetCount, tickHeight: tickHeight, categoryHeight: categoryHeight, categorySpacing: categorySpacing, fullBarHeight: fullBarHeight, barHeight: barHeight, barSpacing: barSpacing }; }, calculateBarHeight: function(index) { var me = this; var yScale = me.getScaleForId(me.getMeta().yAxisID); if (yScale.options.barThickness) { return yScale.options.barThickness; } var ruler = me.getRuler(index); return yScale.options.stacked ? ruler.categoryHeight : ruler.barHeight; }, calculateBarX: function(index, datasetIndex) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var value = Number(me.getDataset().data[index]); if (xScale.options.stacked) { var sumPos = 0, sumNeg = 0; for (var i = 0; i < datasetIndex; i++) { var ds = me.chart.data.datasets[i]; var dsMeta = me.chart.getDatasetMeta(i); if (dsMeta.bar && dsMeta.xAxisID === xScale.id && me.chart.isDatasetVisible(i)) { var stackedVal = Number(ds.data[index]); if (stackedVal < 0) { sumNeg += stackedVal || 0; } else { sumPos += stackedVal || 0; } } } if (value < 0) { return xScale.getPixelForValue(sumNeg + value); } return xScale.getPixelForValue(sumPos + value); } return xScale.getPixelForValue(value); }, calculateBarY: function(index, datasetIndex) { var me = this; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var barIndex = me.getBarIndex(datasetIndex); var ruler = me.getRuler(index); var topTick = yScale.getPixelForValue(null, index, datasetIndex, me.chart.isCombo); topTick -= me.chart.isCombo ? (ruler.tickHeight / 2) : 0; if (yScale.options.stacked) { return topTick + (ruler.categoryHeight / 2) + ruler.categorySpacing; } return topTick + (ruler.barHeight / 2) + ruler.categorySpacing + (ruler.barHeight * barIndex) + (ruler.barSpacing / 2) + (ruler.barSpacing * barIndex); } }); }; },{}],16:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.bubble = { hover: { mode: 'single' }, scales: { xAxes: [{ type: 'linear', // bubble should probably use a linear scale by default position: 'bottom', id: 'x-axis-0' // need an ID so datasets can reference the scale }], yAxes: [{ type: 'linear', position: 'left', id: 'y-axis-0' }] }, tooltips: { callbacks: { title: function() { // Title doesn't make sense for scatter since we format the data as a point return ''; }, label: function(tooltipItem, data) { var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; var dataPoint = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; return datasetLabel + ': (' + dataPoint.x + ', ' + dataPoint.y + ', ' + dataPoint.r + ')'; } } } }; Chart.controllers.bubble = Chart.DatasetController.extend({ dataElementType: Chart.elements.Point, update: function(reset) { var me = this; var meta = me.getMeta(); var points = meta.data; // Update Points helpers.each(points, function(point, index) { me.updateElement(point, index, reset); }); }, updateElement: function(point, index, reset) { var me = this; var meta = me.getMeta(); var xScale = me.getScaleForId(meta.xAxisID); var yScale = me.getScaleForId(meta.yAxisID); var custom = point.custom || {}; var dataset = me.getDataset(); var data = dataset.data[index]; var pointElementOptions = me.chart.options.elements.point; var dsIndex = me.index; helpers.extend(point, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: dsIndex, _index: index, // Desired view properties _model: { x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex, me.chart.isCombo), y: reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex), // Appearance radius: reset ? 0 : custom.radius ? custom.radius : me.getRadius(data), // Tooltip hitRadius: custom.hitRadius ? custom.hitRadius : helpers.getValueAtIndexOrDefault(dataset.hitRadius, index, pointElementOptions.hitRadius) } }); // Trick to reset the styles of the point Chart.DatasetController.prototype.removeHoverStyle.call(me, point, pointElementOptions); var model = point._model; model.skip = custom.skip ? custom.skip : (isNaN(model.x) || isNaN(model.y)); point.pivot(); }, getRadius: function(value) { return value.r || this.chart.options.elements.point.radius; }, setHoverStyle: function(point) { var me = this; Chart.DatasetController.prototype.setHoverStyle.call(me, point); // Radius var dataset = me.chart.data.datasets[point._datasetIndex]; var index = point._index; var custom = point.custom || {}; var model = point._model; model.radius = custom.hoverRadius ? custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, me.chart.options.elements.point.hoverRadius)) + me.getRadius(dataset.data[index]); }, removeHoverStyle: function(point) { var me = this; Chart.DatasetController.prototype.removeHoverStyle.call(me, point, me.chart.options.elements.point); var dataVal = me.chart.data.datasets[point._datasetIndex].data[point._index]; var custom = point.custom || {}; var model = point._model; model.radius = custom.radius ? custom.radius : me.getRadius(dataVal); } }); }; },{}],17:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers, defaults = Chart.defaults; defaults.doughnut = { animation: { // Boolean - Whether we animate the rotation of the Doughnut animateRotate: true, // Boolean - Whether we animate scaling the Doughnut from the centre animateScale: false }, aspectRatio: 1, hover: { mode: 'single' }, legendCallback: function(chart) { var text = []; text.push('<ul class="' + chart.id + '-legend">'); var data = chart.data; var datasets = data.datasets; var labels = data.labels; if (datasets.length) { for (var i = 0; i < datasets[0].data.length; ++i) { text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>'); if (labels[i]) { text.push(labels[i]); } text.push('</li>'); } } text.push('</ul>'); return text.join(''); }, legend: { labels: { generateLabels: function(chart) { var data = chart.data; if (data.labels.length && data.datasets.length) { return data.labels.map(function(label, i) { var meta = chart.getDatasetMeta(0); var ds = data.datasets[0]; var arc = meta.data[i]; var custom = arc && arc.custom || {}; var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; var arcOpts = chart.options.elements.arc; var fill = custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); var stroke = custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); var bw = custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); return { text: label, fillStyle: fill, strokeStyle: stroke, lineWidth: bw, hidden: isNaN(ds.data[i]) || meta.data[i].hidden, // Extra data used for toggling the correct item index: i }; }); } return []; } }, onClick: function(e, legendItem) { var index = legendItem.index; var chart = this.chart; var i, ilen, meta; for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { meta = chart.getDatasetMeta(i); // toggle visibility of index if exists if (meta.data[index]) { meta.data[index].hidden = !meta.data[index].hidden; } } chart.update(); } }, // The percentage of the chart that we cut out of the middle. cutoutPercentage: 50, // The rotation of the chart, where the first data arc begins. rotation: Math.PI * -0.5, // The total circumference of the chart. circumference: Math.PI * 2.0, // Need to override these to give a nice default tooltips: { callbacks: { title: function() { return ''; }, label: function(tooltipItem, data) { return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; } } } }; defaults.pie = helpers.clone(defaults.doughnut); helpers.extend(defaults.pie, { cutoutPercentage: 0 }); Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({ dataElementType: Chart.elements.Arc, linkScales: helpers.noop, // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly getRingIndex: function(datasetIndex) { var ringIndex = 0; for (var j = 0; j < datasetIndex; ++j) { if (this.chart.isDatasetVisible(j)) { ++ringIndex; } } return ringIndex; }, update: function(reset) { var me = this; var chart = me.chart, chartArea = chart.chartArea, opts = chart.options, arcOpts = opts.elements.arc, availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth, availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth, minSize = Math.min(availableWidth, availableHeight), offset = { x: 0, y: 0 }, meta = me.getMeta(), cutoutPercentage = opts.cutoutPercentage, circumference = opts.circumference; // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc if (circumference < Math.PI * 2.0) { var startAngle = opts.rotation % (Math.PI * 2.0); startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); var endAngle = startAngle + circumference; var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; var contains0 = (startAngle <= 0 && 0 <= endAngle) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); var cutout = cutoutPercentage / 100.0; var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; minSize = Math.min(availableWidth / size.width, availableHeight / size.height); offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; } chart.borderWidth = me.getMaxBorderWidth(meta.data); chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 1, 0); chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); chart.offsetX = offset.x * chart.outerRadius; chart.offsetY = offset.y * chart.outerRadius; meta.total = me.calculateTotal(); me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index)); me.innerRadius = me.outerRadius - chart.radiusLength; helpers.each(meta.data, function(arc, index) { me.updateElement(arc, index, reset); }); }, updateElement: function(arc, index, reset) { var me = this; var chart = me.chart, chartArea = chart.chartArea, opts = chart.options, animationOpts = opts.animation, centerX = (chartArea.left + chartArea.right) / 2, centerY = (chartArea.top + chartArea.bottom) / 2, startAngle = opts.rotation, // non reset case handled later endAngle = opts.rotation, // non reset case handled later dataset = me.getDataset(), circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)), innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius, outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius, valueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; helpers.extend(arc, { // Utility _datasetIndex: me.index, _index: index, // Desired view properties _model: { x: centerX + chart.offsetX, y: centerY + chart.offsetY, startAngle: startAngle, endAngle: endAngle, circumference: circumference, outerRadius: outerRadius, innerRadius: innerRadius, label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) } }); var model = arc._model; // Resets the visual styles this.removeHoverStyle(arc); // Set correct angles if not resetting if (!reset || !animationOpts.animateRotate) { if (index === 0) { model.startAngle = opts.rotation; } else { model.startAngle = me.getMeta().data[index - 1]._model.endAngle; } model.endAngle = model.startAngle + model.circumference; } arc.pivot(); }, removeHoverStyle: function(arc) { Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); }, calculateTotal: function() { var dataset = this.getDataset(); var meta = this.getMeta(); var total = 0; var value; helpers.each(meta.data, function(element, index) { value = dataset.data[index]; if (!isNaN(value) && !element.hidden) { total += Math.abs(value); } }); /* if (total === 0) { total = NaN; }*/ return total; }, calculateCircumference: function(value) { var total = this.getMeta().total; if (total > 0 && !isNaN(value)) { return (Math.PI * 2.0) * (value / total); } return 0; }, // gets the max border or hover width to properly scale pie charts getMaxBorderWidth: function(elements) { var max = 0, index = this.index, length = elements.length, borderWidth, hoverWidth; for (var i = 0; i < length; i++) { borderWidth = elements[i]._model ? elements[i]._model.borderWidth : 0; hoverWidth = elements[i]._chart ? elements[i]._chart.config.data.datasets[index].hoverBorderWidth : 0; max = borderWidth > max ? borderWidth : max; max = hoverWidth > max ? hoverWidth : max; } return max; } }); }; },{}],18:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.line = { showLines: true, spanGaps: false, hover: { mode: 'label' }, scales: { xAxes: [{ type: 'category', id: 'x-axis-0' }], yAxes: [{ type: 'linear', id: 'y-axis-0' }] } }; function lineEnabled(dataset, options) { return helpers.getValueOrDefault(dataset.showLine, options.showLines); } Chart.controllers.line = Chart.DatasetController.extend({ datasetElementType: Chart.elements.Line, dataElementType: Chart.elements.Point, addElementAndReset: function(index) { var me = this; var options = me.chart.options; var meta = me.getMeta(); Chart.DatasetController.prototype.addElementAndReset.call(me, index); // Make sure bezier control points are updated if (lineEnabled(me.getDataset(), options) && meta.dataset._model.tension !== 0) { me.updateBezierControlPoints(); } }, update: function(reset) { var me = this; var meta = me.getMeta(); var line = meta.dataset; var points = meta.data || []; var options = me.chart.options; var lineElementOptions = options.elements.line; var scale = me.getScaleForId(meta.yAxisID); var i, ilen, custom; var dataset = me.getDataset(); var showLine = lineEnabled(dataset, options); // Update Line if (showLine) { custom = line.custom || {}; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { dataset.lineTension = dataset.tension; } // Utility line._scale = scale; line._datasetIndex = me.index; // Data line._children = points; // Model line._model = { // Appearance // The default behavior of lines is to break at null values, according // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 // This option gives linse the ability to span gaps spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps, tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.lineTension, lineElementOptions.tension), backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), steppedLine: custom.steppedLine ? custom.steppedLine : helpers.getValueOrDefault(dataset.steppedLine, lineElementOptions.stepped), cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.getValueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode), // Scale scaleTop: scale.top, scaleBottom: scale.bottom, scaleZero: scale.getBasePixel() }; line.pivot(); } // Update Points for (i=0, ilen=points.length; i<ilen; ++i) { me.updateElement(points[i], i, reset); } if (showLine && line._model.tension !== 0) { me.updateBezierControlPoints(); } // Now pivot the point for animation for (i=0, ilen=points.length; i<ilen; ++i) { points[i].pivot(); } }, getPointBackgroundColor: function(point, index) { var backgroundColor = this.chart.options.elements.point.backgroundColor; var dataset = this.getDataset(); var custom = point.custom || {}; if (custom.backgroundColor) { backgroundColor = custom.backgroundColor; } else if (dataset.pointBackgroundColor) { backgroundColor = helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor); } else if (dataset.backgroundColor) { backgroundColor = dataset.backgroundColor; } return backgroundColor; }, getPointBorderColor: function(point, index) { var borderColor = this.chart.options.elements.point.borderColor; var dataset = this.getDataset(); var custom = point.custom || {}; if (custom.borderColor) { borderColor = custom.borderColor; } else if (dataset.pointBorderColor) { borderColor = helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor); } else if (dataset.borderColor) { borderColor = dataset.borderColor; } return borderColor; }, getPointBorderWidth: function(point, index) { var borderWidth = this.chart.options.elements.point.borderWidth; var dataset = this.getDataset(); var custom = point.custom || {}; if (custom.borderWidth) { borderWidth = custom.borderWidth; } else if (dataset.pointBorderWidth) { borderWidth = helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth); } else if (dataset.borderWidth) { borderWidth = dataset.borderWidth; } return borderWidth; }, updateElement: function(point, index, reset) { var me = this; var meta = me.getMeta(); var custom = point.custom || {}; var dataset = me.getDataset(); var datasetIndex = me.index; var value = dataset.data[index]; var yScale = me.getScaleForId(meta.yAxisID); var xScale = me.getScaleForId(meta.xAxisID); var pointOptions = me.chart.options.elements.point; var x, y; var labels = me.chart.data.labels || []; var includeOffset = (labels.length === 1 || dataset.data.length === 1) || me.chart.isCombo; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { dataset.pointRadius = dataset.radius; } if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { dataset.pointHitRadius = dataset.hitRadius; } x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex, includeOffset); y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); // Utility point._xScale = xScale; point._yScale = yScale; point._datasetIndex = datasetIndex; point._index = index; // Desired view properties point._model = { x: x, y: y, skip: custom.skip || isNaN(x) || isNaN(y), // Appearance radius: custom.radius || helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius), pointStyle: custom.pointStyle || helpers.getValueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle), backgroundColor: me.getPointBackgroundColor(point, index), borderColor: me.getPointBorderColor(point, index), borderWidth: me.getPointBorderWidth(point, index), tension: meta.dataset._model ? meta.dataset._model.tension : 0, steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false, // Tooltip hitRadius: custom.hitRadius || helpers.getValueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) }; }, calculatePointY: function(value, index, datasetIndex) { var me = this; var chart = me.chart; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var sumPos = 0; var sumNeg = 0; var i, ds, dsMeta; if (yScale.options.stacked) { for (i = 0; i < datasetIndex; i++) { ds = chart.data.datasets[i]; dsMeta = chart.getDatasetMeta(i); if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); if (stackedRightValue < 0) { sumNeg += stackedRightValue || 0; } else { sumPos += stackedRightValue || 0; } } } var rightValue = Number(yScale.getRightValue(value)); if (rightValue < 0) { return yScale.getPixelForValue(sumNeg + rightValue); } return yScale.getPixelForValue(sumPos + rightValue); } return yScale.getPixelForValue(value); }, updateBezierControlPoints: function() { var me = this; var meta = me.getMeta(); var area = me.chart.chartArea; var points = (meta.data || []); var i, ilen, point, model, controlPoints; // Only consider points that are drawn in case the spanGaps option is used if (meta.dataset._model.spanGaps) { points = points.filter(function(pt) { return !pt._model.skip; }); } function capControlPoint(pt, min, max) { return Math.max(Math.min(pt, max), min); } if (meta.dataset._model.cubicInterpolationMode === 'monotone') { helpers.splineCurveMonotone(points); } else { for (i = 0, ilen = points.length; i < ilen; ++i) { point = points[i]; model = point._model; controlPoints = helpers.splineCurve( helpers.previousItem(points, i)._model, model, helpers.nextItem(points, i)._model, meta.dataset._model.tension ); model.controlPointPreviousX = controlPoints.previous.x; model.controlPointPreviousY = controlPoints.previous.y; model.controlPointNextX = controlPoints.next.x; model.controlPointNextY = controlPoints.next.y; } } if (me.chart.options.elements.line.capBezierPoints) { for (i = 0, ilen = points.length; i < ilen; ++i) { model = points[i]._model; model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); } } }, draw: function(ease) { var me = this; var meta = me.getMeta(); var points = meta.data || []; var easingDecimal = ease || 1; var i, ilen; // Transition Point Locations for (i=0, ilen=points.length; i<ilen; ++i) { points[i].transition(easingDecimal); } // Transition and Draw the line if (lineEnabled(me.getDataset(), me.chart.options)) { meta.dataset.transition(easingDecimal).draw(); } // Draw the points for (i=0, ilen=points.length; i<ilen; ++i) { points[i].draw(); } }, setHoverStyle: function(point) { // Point var dataset = this.chart.data.datasets[point._datasetIndex]; var index = point._index; var custom = point.custom || {}; var model = point._model; model.radius = custom.hoverRadius || helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); model.backgroundColor = custom.hoverBackgroundColor || helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor || helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth || helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); }, removeHoverStyle: function(point) { var me = this; var dataset = me.chart.data.datasets[point._datasetIndex]; var index = point._index; var custom = point.custom || {}; var model = point._model; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { dataset.pointRadius = dataset.radius; } model.radius = custom.radius || helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius); model.backgroundColor = me.getPointBackgroundColor(point, index); model.borderColor = me.getPointBorderColor(point, index); model.borderWidth = me.getPointBorderWidth(point, index); } }); }; },{}],19:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.polarArea = { scale: { type: 'radialLinear', lineArc: true, // so that lines are circular ticks: { beginAtZero: true } }, // Boolean - Whether to animate the rotation of the chart animation: { animateRotate: true, animateScale: true }, startAngle: -0.5 * Math.PI, aspectRatio: 1, legendCallback: function(chart) { var text = []; text.push('<ul class="' + chart.id + '-legend">'); var data = chart.data; var datasets = data.datasets; var labels = data.labels; if (datasets.length) { for (var i = 0; i < datasets[0].data.length; ++i) { text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '">'); if (labels[i]) { text.push(labels[i]); } text.push('</span></li>'); } } text.push('</ul>'); return text.join(''); }, legend: { labels: { generateLabels: function(chart) { var data = chart.data; if (data.labels.length && data.datasets.length) { return data.labels.map(function(label, i) { var meta = chart.getDatasetMeta(0); var ds = data.datasets[0]; var arc = meta.data[i]; var custom = arc.custom || {}; var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; var arcOpts = chart.options.elements.arc; var fill = custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); var stroke = custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); var bw = custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); return { text: label, fillStyle: fill, strokeStyle: stroke, lineWidth: bw, hidden: isNaN(ds.data[i]) || meta.data[i].hidden, // Extra data used for toggling the correct item index: i }; }); } return []; } }, onClick: function(e, legendItem) { var index = legendItem.index; var chart = this.chart; var i, ilen, meta; for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { meta = chart.getDatasetMeta(i); meta.data[index].hidden = !meta.data[index].hidden; } chart.update(); } }, // Need to override these to give a nice default tooltips: { callbacks: { title: function() { return ''; }, label: function(tooltipItem, data) { return data.labels[tooltipItem.index] + ': ' + tooltipItem.yLabel; } } } }; Chart.controllers.polarArea = Chart.DatasetController.extend({ dataElementType: Chart.elements.Arc, linkScales: helpers.noop, update: function(reset) { var me = this; var chart = me.chart; var chartArea = chart.chartArea; var meta = me.getMeta(); var opts = chart.options; var arcOpts = opts.elements.arc; var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0); chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); me.innerRadius = me.outerRadius - chart.radiusLength; meta.count = me.countVisibleElements(); helpers.each(meta.data, function(arc, index) { me.updateElement(arc, index, reset); }); }, updateElement: function(arc, index, reset) { var me = this; var chart = me.chart; var dataset = me.getDataset(); var opts = chart.options; var animationOpts = opts.animation; var scale = chart.scale; var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; var labels = chart.data.labels; var circumference = me.calculateCircumference(dataset.data[index]); var centerX = scale.xCenter; var centerY = scale.yCenter; // If there is NaN data before us, we need to calculate the starting angle correctly. // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data var visibleCount = 0; var meta = me.getMeta(); for (var i = 0; i < index; ++i) { if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) { ++visibleCount; } } // var negHalfPI = -0.5 * Math.PI; var datasetStartAngle = opts.startAngle; var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); var startAngle = datasetStartAngle + (circumference * visibleCount); var endAngle = startAngle + (arc.hidden ? 0 : circumference); var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); helpers.extend(arc, { // Utility _datasetIndex: me.index, _index: index, _scale: scale, // Desired view properties _model: { x: centerX, y: centerY, innerRadius: 0, outerRadius: reset ? resetRadius : distance, startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, label: getValueAtIndexOrDefault(labels, index, labels[index]) } }); // Apply border and fill style me.removeHoverStyle(arc); arc.pivot(); }, removeHoverStyle: function(arc) { Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); }, countVisibleElements: function() { var dataset = this.getDataset(); var meta = this.getMeta(); var count = 0; helpers.each(meta.data, function(element, index) { if (!isNaN(dataset.data[index]) && !element.hidden) { count++; } }); return count; }, calculateCircumference: function(value) { var count = this.getMeta().count; if (count > 0 && !isNaN(value)) { return (2 * Math.PI) / count; } return 0; } }); }; },{}],20:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.radar = { scale: { type: 'radialLinear' }, elements: { line: { tension: 0 // no bezier in radar } } }; Chart.controllers.radar = Chart.DatasetController.extend({ datasetElementType: Chart.elements.Line, dataElementType: Chart.elements.Point, linkScales: helpers.noop, addElementAndReset: function(index) { Chart.DatasetController.prototype.addElementAndReset.call(this, index); // Make sure bezier control points are updated this.updateBezierControlPoints(); }, update: function(reset) { var me = this; var meta = me.getMeta(); var line = meta.dataset; var points = meta.data; var custom = line.custom || {}; var dataset = me.getDataset(); var lineElementOptions = me.chart.options.elements.line; var scale = me.chart.scale; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { dataset.lineTension = dataset.tension; } helpers.extend(meta.dataset, { // Utility _datasetIndex: me.index, // Data _children: points, _loop: true, // Model _model: { // Appearance tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.lineTension, lineElementOptions.tension), backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), // Scale scaleTop: scale.top, scaleBottom: scale.bottom, scaleZero: scale.getBasePosition() } }); meta.dataset.pivot(); // Update Points helpers.each(points, function(point, index) { me.updateElement(point, index, reset); }, me); // Update bezier control points me.updateBezierControlPoints(); }, updateElement: function(point, index, reset) { var me = this; var custom = point.custom || {}; var dataset = me.getDataset(); var scale = me.chart.scale; var pointElementOptions = me.chart.options.elements.point; var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); helpers.extend(point, { // Utility _datasetIndex: me.index, _index: index, _scale: scale, // Desired view properties _model: { x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales y: reset ? scale.yCenter : pointPosition.y, // Appearance tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.tension, me.chart.options.elements.line.tension), radius: custom.radius ? custom.radius : helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius), backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor), borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth), pointStyle: custom.pointStyle ? custom.pointStyle : helpers.getValueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle), // Tooltip hitRadius: custom.hitRadius ? custom.hitRadius : helpers.getValueAtIndexOrDefault(dataset.hitRadius, index, pointElementOptions.hitRadius) } }); point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y)); }, updateBezierControlPoints: function() { var chartArea = this.chart.chartArea; var meta = this.getMeta(); helpers.each(meta.data, function(point, index) { var model = point._model; var controlPoints = helpers.splineCurve( helpers.previousItem(meta.data, index, true)._model, model, helpers.nextItem(meta.data, index, true)._model, model.tension ); // Prevent the bezier going outside of the bounds of the graph model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left); model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top); model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left); model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top); // Now pivot the point for animation point.pivot(); }); }, draw: function(ease) { var meta = this.getMeta(); var easingDecimal = ease || 1; // Transition Point Locations helpers.each(meta.data, function(point) { point.transition(easingDecimal); }); // Transition and Draw the line meta.dataset.transition(easingDecimal).draw(); // Draw the points helpers.each(meta.data, function(point) { point.draw(); }); }, setHoverStyle: function(point) { // Point var dataset = this.chart.data.datasets[point._datasetIndex]; var custom = point.custom || {}; var index = point._index; var model = point._model; model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); }, removeHoverStyle: function(point) { var dataset = this.chart.data.datasets[point._datasetIndex]; var custom = point.custom || {}; var index = point._index; var model = point._model; var pointElementOptions = this.chart.options.elements.point; model.radius = custom.radius ? custom.radius : helpers.getValueAtIndexOrDefault(dataset.radius, index, pointElementOptions.radius); model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth); } }); }; },{}],21:[function(require,module,exports){ /* global window: false */ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.global.animation = { duration: 1000, easing: 'easeOutQuart', onProgress: helpers.noop, onComplete: helpers.noop }; Chart.Animation = Chart.Element.extend({ currentStep: null, // the current animation step numSteps: 60, // default number of steps easing: '', // the easing to use for this animation render: null, // render function used by the animation service onAnimationProgress: null, // user specified callback to fire on each step of the animation onAnimationComplete: null // user specified callback to fire when the animation finishes }); Chart.animationService = { frameDuration: 17, animations: [], dropFrames: 0, request: null, addAnimation: function(chartInstance, animationObject, duration, lazy) { var me = this; if (!lazy) { chartInstance.animating = true; } for (var index = 0; index < me.animations.length; ++index) { if (me.animations[index].chartInstance === chartInstance) { // replacing an in progress animation me.animations[index].animationObject = animationObject; return; } } me.animations.push({ chartInstance: chartInstance, animationObject: animationObject }); // If there are no animations queued, manually kickstart a digest, for lack of a better word if (me.animations.length === 1) { me.requestAnimationFrame(); } }, // Cancel the animation for a given chart instance cancelAnimation: function(chartInstance) { var index = helpers.findIndex(this.animations, function(animationWrapper) { return animationWrapper.chartInstance === chartInstance; }); if (index !== -1) { this.animations.splice(index, 1); chartInstance.animating = false; } }, requestAnimationFrame: function() { var me = this; if (me.request === null) { // Skip animation frame requests until the active one is executed. // This can happen when processing mouse events, e.g. 'mousemove' // and 'mouseout' events will trigger multiple renders. me.request = helpers.requestAnimFrame.call(window, function() { me.request = null; me.startDigest(); }); } }, startDigest: function() { var me = this; var startTime = Date.now(); var framesToDrop = 0; if (me.dropFrames > 1) { framesToDrop = Math.floor(me.dropFrames); me.dropFrames = me.dropFrames % 1; } var i = 0; while (i < me.animations.length) { if (me.animations[i].animationObject.currentStep === null) { me.animations[i].animationObject.currentStep = 0; } me.animations[i].animationObject.currentStep += 1 + framesToDrop; if (me.animations[i].animationObject.currentStep > me.animations[i].animationObject.numSteps) { me.animations[i].animationObject.currentStep = me.animations[i].animationObject.numSteps; } me.animations[i].animationObject.render(me.animations[i].chartInstance, me.animations[i].animationObject); if (me.animations[i].animationObject.onAnimationProgress && me.animations[i].animationObject.onAnimationProgress.call) { me.animations[i].animationObject.onAnimationProgress.call(me.animations[i].chartInstance, me.animations[i]); } if (me.animations[i].animationObject.currentStep === me.animations[i].animationObject.numSteps) { if (me.animations[i].animationObject.onAnimationComplete && me.animations[i].animationObject.onAnimationComplete.call) { me.animations[i].animationObject.onAnimationComplete.call(me.animations[i].chartInstance, me.animations[i]); } // executed the last frame. Remove the animation. me.animations[i].chartInstance.animating = false; me.animations.splice(i, 1); } else { ++i; } } var endTime = Date.now(); var dropFrames = (endTime - startTime) / me.frameDuration; me.dropFrames += dropFrames; // Do we have more stuff to animate? if (me.animations.length > 0) { me.requestAnimationFrame(); } } }; }; },{}],22:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { // Global Chart canvas helpers object for drawing items to canvas var helpers = Chart.canvasHelpers = {}; helpers.drawPoint = function(ctx, pointStyle, radius, x, y) { var type, edgeLength, xOffset, yOffset, height, size; if (typeof pointStyle === 'object') { type = pointStyle.toString(); if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { ctx.drawImage(pointStyle, x - pointStyle.width / 2, y - pointStyle.height / 2); return; } } if (isNaN(radius) || radius <= 0) { return; } switch (pointStyle) { // Default includes circle default: ctx.beginPath(); ctx.arc(x, y, radius, 0, Math.PI * 2); ctx.closePath(); ctx.fill(); break; case 'triangle': ctx.beginPath(); edgeLength = 3 * radius / Math.sqrt(3); height = edgeLength * Math.sqrt(3) / 2; ctx.moveTo(x - edgeLength / 2, y + height / 3); ctx.lineTo(x + edgeLength / 2, y + height / 3); ctx.lineTo(x, y - 2 * height / 3); ctx.closePath(); ctx.fill(); break; case 'rect': size = 1 / Math.SQRT2 * radius; ctx.beginPath(); ctx.fillRect(x - size, y - size, 2 * size, 2 * size); ctx.strokeRect(x - size, y - size, 2 * size, 2 * size); break; case 'rectRot': size = 1 / Math.SQRT2 * radius; ctx.beginPath(); ctx.moveTo(x - size, y); ctx.lineTo(x, y + size); ctx.lineTo(x + size, y); ctx.lineTo(x, y - size); ctx.closePath(); ctx.fill(); break; case 'cross': ctx.beginPath(); ctx.moveTo(x, y + radius); ctx.lineTo(x, y - radius); ctx.moveTo(x - radius, y); ctx.lineTo(x + radius, y); ctx.closePath(); break; case 'crossRot': ctx.beginPath(); xOffset = Math.cos(Math.PI / 4) * radius; yOffset = Math.sin(Math.PI / 4) * radius; ctx.moveTo(x - xOffset, y - yOffset); ctx.lineTo(x + xOffset, y + yOffset); ctx.moveTo(x - xOffset, y + yOffset); ctx.lineTo(x + xOffset, y - yOffset); ctx.closePath(); break; case 'star': ctx.beginPath(); ctx.moveTo(x, y + radius); ctx.lineTo(x, y - radius); ctx.moveTo(x - radius, y); ctx.lineTo(x + radius, y); xOffset = Math.cos(Math.PI / 4) * radius; yOffset = Math.sin(Math.PI / 4) * radius; ctx.moveTo(x - xOffset, y - yOffset); ctx.lineTo(x + xOffset, y + yOffset); ctx.moveTo(x - xOffset, y + yOffset); ctx.lineTo(x + xOffset, y - yOffset); ctx.closePath(); break; case 'line': ctx.beginPath(); ctx.moveTo(x - radius, y); ctx.lineTo(x + radius, y); ctx.closePath(); break; case 'dash': ctx.beginPath(); ctx.moveTo(x, y); ctx.lineTo(x + radius, y); ctx.closePath(); break; } ctx.stroke(); }; }; },{}],23:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var 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 = {}; /** * @class Chart.Controller * The main controller of a chart. */ Chart.Controller = function(instance) { this.chart = instance; this.config = instance.config; this.options = this.config.options = helpers.configMerge(Chart.defaults.global, Chart.defaults[this.config.type], this.config.options || {}); this.id = helpers.uid(); Object.defineProperty(this, 'data', { get: function() { return this.config.data; } }); // Add the chart instance to the global namespace Chart.instances[this.id] = this; if (this.options.responsive) { // Silent resize before chart draws this.resize(true); } this.initialize(); return this; }; helpers.extend(Chart.Controller.prototype, /** @lends Chart.Controller */ { initialize: function() { var me = this; // Before init plugin notification Chart.plugins.notify('beforeInit', [me]); me.bindEvents(); // Make sure controllers are built first so that each dataset is bound to an axis before the scales // are built me.ensureScalesHaveIDs(); me.buildOrUpdateControllers(); me.buildScales(); me.updateLayout(); me.resetElements(); me.initToolTip(); me.update(); // After init plugin notification Chart.plugins.notify('afterInit', [me]); return me; }, clear: function() { helpers.clear(this.chart); return this; }, stop: function() { // Stops any current animation loop occuring Chart.animationService.cancelAnimation(this); return this; }, resize: function(silent) { var me = this; var chart = me.chart; var canvas = chart.canvas; var newWidth = helpers.getMaximumWidth(canvas); var aspectRatio = chart.aspectRatio; var newHeight = (me.options.maintainAspectRatio && isNaN(aspectRatio) === false && isFinite(aspectRatio) && aspectRatio !== 0) ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas); var sizeChanged = chart.width !== newWidth || chart.height !== newHeight; if (!sizeChanged) { return me; } canvas.width = chart.width = newWidth; canvas.height = chart.height = newHeight; helpers.retinaScale(chart); // Notify any plugins about the resize var newSize = {width: newWidth, height: newHeight}; Chart.plugins.notify('resize', [me, newSize]); // Notify of resize if (me.options.onResize) { me.options.onResize(me, newSize); } if (!silent) { me.stop(); me.update(me.options.responsiveAnimationDuration); } return me; }, ensureScalesHaveIDs: function() { var options = this.options; var scalesOptions = options.scales || {}; var scaleOptions = options.scale; helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) { xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); }); helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) { yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); }); if (scaleOptions) { scaleOptions.id = scaleOptions.id || 'scale'; } }, /** * Builds a map of scale ID to scale object for future lookup. */ buildScales: function() { var me = this; var options = me.options; var scales = me.scales = {}; var items = []; if (options.scales) { items = items.concat( (options.scales.xAxes || []).map(function(xAxisOptions) { return {options: xAxisOptions, dtype: 'category'}; }), (options.scales.yAxes || []).map(function(yAxisOptions) { return {options: yAxisOptions, dtype: 'linear'}; }) ); } if (options.scale) { items.push({options: options.scale, dtype: 'radialLinear', isDefault: true}); } helpers.each(items, function(item) { var scaleOptions = item.options; var scaleType = helpers.getValueOrDefault(scaleOptions.type, item.dtype); var scaleClass = Chart.scaleService.getScaleConstructor(scaleType); if (!scaleClass) { return; } var scale = new scaleClass({ id: scaleOptions.id, options: scaleOptions, ctx: me.chart.ctx, chart: me }); scales[scale.id] = scale; // TODO(SB): I think we should be able to remove this custom case (options.scale) // and consider it as a regular scale part of the "scales"" map only! This would // make the logic easier and remove some useless? custom code. if (item.isDefault) { me.scale = scale; } }); Chart.scaleService.addScalesToLayout(this); }, updateLayout: function() { Chart.layoutService.update(this, this.chart.width, this.chart.height); }, buildOrUpdateControllers: function() { var me = this; var types = []; var newControllers = []; helpers.each(me.data.datasets, function(dataset, datasetIndex) { var meta = me.getDatasetMeta(datasetIndex); if (!meta.type) { meta.type = dataset.type || me.config.type; } types.push(meta.type); if (meta.controller) { meta.controller.updateIndex(datasetIndex); } else { meta.controller = new Chart.controllers[meta.type](me, datasetIndex); newControllers.push(meta.controller); } }, me); if (types.length > 1) { for (var i = 1; i < types.length; i++) { if (types[i] !== types[i - 1]) { me.isCombo = true; break; } } } return newControllers; }, resetElements: function() { var me = this; helpers.each(me.data.datasets, function(dataset, datasetIndex) { me.getDatasetMeta(datasetIndex).controller.reset(); }, me); }, update: function(animationDuration, lazy) { var me = this; Chart.plugins.notify('beforeUpdate', [me]); // In case the entire data object changed me.tooltip._data = me.data; // Make sure dataset controllers are updated and new controllers are reset var newControllers = me.buildOrUpdateControllers(); // Make sure all dataset controllers have correct meta data counts helpers.each(me.data.datasets, function(dataset, datasetIndex) { me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); }, me); Chart.layoutService.update(me, me.chart.width, me.chart.height); // Apply changes to the dataets that require the scales to have been calculated i.e BorderColor chages Chart.plugins.notify('afterScaleUpdate', [me]); // Can only reset the new controllers after the scales have been updated helpers.each(newControllers, function(controller) { controller.reset(); }); me.updateDatasets(); // Do this before render so that any plugins that need final scale updates can use it Chart.plugins.notify('afterUpdate', [me]); me.render(animationDuration, lazy); }, /** * @method beforeDatasetsUpdate * @description Called before all datasets are updated. If a plugin returns false, * the datasets update will be cancelled until another chart update is triggered. * @param {Object} instance the chart instance being updated. * @returns {Boolean} false to cancel the datasets update. * @memberof Chart.PluginBase * @since version 2.1.5 * @instance */ /** * @method afterDatasetsUpdate * @description Called after all datasets have been updated. Note that this * extension will not be called if the datasets update has been cancelled. * @param {Object} instance the chart instance being updated. * @memberof Chart.PluginBase * @since version 2.1.5 * @instance */ /** * Updates all datasets unless a plugin returns false to the beforeDatasetsUpdate * extension, in which case no datasets will be updated and the afterDatasetsUpdate * notification will be skipped. * @protected * @instance */ updateDatasets: function() { var me = this; var i, ilen; if (Chart.plugins.notify('beforeDatasetsUpdate', [me])) { for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { me.getDatasetMeta(i).controller.update(); } Chart.plugins.notify('afterDatasetsUpdate', [me]); } }, render: function(duration, lazy) { var me = this; Chart.plugins.notify('beforeRender', [me]); var animationOptions = me.options.animation; if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) { var animation = new Chart.Animation(); animation.numSteps = (duration || animationOptions.duration) / 16.66; // 60 fps animation.easing = animationOptions.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 = animationOptions.onProgress; animation.onAnimationComplete = animationOptions.onComplete; Chart.animationService.addAnimation(me, animation, duration, lazy); } else { me.draw(); if (animationOptions && animationOptions.onComplete && animationOptions.onComplete.call) { animationOptions.onComplete.call(me); } } return me; }, draw: function(ease) { var me = this; var easingDecimal = ease || 1; me.clear(); Chart.plugins.notify('beforeDraw', [me, easingDecimal]); // Draw all the scales helpers.each(me.boxes, function(box) { box.draw(me.chartArea); }, me); if (me.scale) { me.scale.draw(); } Chart.plugins.notify('beforeDatasetsDraw', [me, easingDecimal]); // Draw each dataset via its respective controller (reversed to support proper line stacking) helpers.each(me.data.datasets, function(dataset, datasetIndex) { if (me.isDatasetVisible(datasetIndex)) { me.getDatasetMeta(datasetIndex).controller.draw(ease); } }, me, true); Chart.plugins.notify('afterDatasetsDraw', [me, easingDecimal]); // Finally draw the tooltip me.tooltip.transition(easingDecimal).draw(); Chart.plugins.notify('afterDraw', [me, easingDecimal]); }, // 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 me = this; var eventPosition = helpers.getRelativePosition(e, me.chart); var elementsArray = []; helpers.each(me.data.datasets, function(dataset, datasetIndex) { if (me.isDatasetVisible(datasetIndex)) { var meta = me.getDatasetMeta(datasetIndex); helpers.each(meta.data, function(element) { if (element.inRange(eventPosition.x, eventPosition.y)) { elementsArray.push(element); return elementsArray; } }); } }); return elementsArray.slice(0, 1); }, getElementsAtEvent: function(e) { var me = this; var eventPosition = helpers.getRelativePosition(e, me.chart); var elementsArray = []; var found = function() { if (me.data.datasets) { for (var i = 0; i < me.data.datasets.length; i++) { var meta = me.getDatasetMeta(i); if (me.isDatasetVisible(i)) { for (var j = 0; j < meta.data.length; j++) { if (meta.data[j].inRange(eventPosition.x, eventPosition.y)) { return meta.data[j]; } } } } } }.call(me); if (!found) { return elementsArray; } helpers.each(me.data.datasets, function(dataset, datasetIndex) { if (me.isDatasetVisible(datasetIndex)) { var meta = me.getDatasetMeta(datasetIndex), element = meta.data[found._index]; if (element && !element._view.skip) { elementsArray.push(element); } } }, me); return elementsArray; }, getElementsAtXAxis: function(e) { var me = this; var eventPosition = helpers.getRelativePosition(e, me.chart); var elementsArray = []; var found = function() { if (me.data.datasets) { for (var i = 0; i < me.data.datasets.length; i++) { var meta = me.getDatasetMeta(i); if (me.isDatasetVisible(i)) { for (var j = 0; j < meta.data.length; j++) { if (meta.data[j].inLabelRange(eventPosition.x, eventPosition.y)) { return meta.data[j]; } } } } } }.call(me); if (!found) { return elementsArray; } helpers.each(me.data.datasets, function(dataset, datasetIndex) { if (me.isDatasetVisible(datasetIndex)) { var meta = me.getDatasetMeta(datasetIndex); var index = helpers.findIndex(meta.data, function(it) { return found._model.x === it._model.x; }); if (index !== -1 && !meta.data[index]._view.skip) { elementsArray.push(meta.data[index]); } } }, me); return elementsArray; }, getElementsAtEventForMode: function(e, mode) { var me = this; switch (mode) { case 'single': return me.getElementAtEvent(e); case 'label': return me.getElementsAtEvent(e); case 'dataset': return me.getDatasetAtEvent(e); case 'x-axis': return me.getElementsAtXAxis(e); default: return e; } }, getDatasetAtEvent: function(e) { var elementsArray = this.getElementAtEvent(e); if (elementsArray.length > 0) { elementsArray = this.getDatasetMeta(elementsArray[0]._datasetIndex).data; } return elementsArray; }, getDatasetMeta: function(datasetIndex) { var me = this; var dataset = me.data.datasets[datasetIndex]; if (!dataset._meta) { dataset._meta = {}; } var meta = dataset._meta[me.id]; if (!meta) { meta = dataset._meta[me.id] = { type: null, data: [], dataset: null, controller: null, hidden: null, // See isDatasetVisible() comment xAxisID: null, yAxisID: null }; } return meta; }, getVisibleDatasetCount: function() { var count = 0; for (var i = 0, ilen = this.data.datasets.length; i<ilen; ++i) { if (this.isDatasetVisible(i)) { count++; } } return count; }, isDatasetVisible: function(datasetIndex) { var meta = this.getDatasetMeta(datasetIndex); // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. return typeof meta.hidden === 'boolean'? !meta.hidden : !this.data.datasets[datasetIndex].hidden; }, generateLegend: function() { return this.options.legendCallback(this); }, destroy: function() { var me = this; me.stop(); me.clear(); helpers.unbindEvents(me, me.events); helpers.removeResizeListener(me.chart.canvas.parentNode); // Reset canvas height/width attributes var canvas = me.chart.canvas; canvas.width = me.chart.width; canvas.height = me.chart.height; // if we scaled the canvas in response to a devicePixelRatio !== 1, we need to undo that transform here if (me.chart.originalDevicePixelRatio !== undefined) { me.chart.ctx.scale(1 / me.chart.originalDevicePixelRatio, 1 / me.chart.originalDevicePixelRatio); } // Reset to the old style since it may have been changed by the device pixel ratio changes canvas.style.width = me.chart.originalCanvasStyleWidth; canvas.style.height = me.chart.originalCanvasStyleHeight; Chart.plugins.notify('destroy', [me]); delete Chart.instances[me.id]; }, toBase64Image: function() { return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments); }, initToolTip: function() { var me = this; me.tooltip = new Chart.Tooltip({ _chart: me.chart, _chartInstance: me, _data: me.data, _options: me.options.tooltips }, me); }, bindEvents: function() { var me = this; helpers.bindEvents(me, me.options.events, function(evt) { me.eventHandler(evt); }); }, updateHoverStyle: function(elements, mode, enabled) { var method = enabled? 'setHoverStyle' : 'removeHoverStyle'; var element, i, ilen; switch (mode) { case 'single': elements = [elements[0]]; break; case 'label': case 'dataset': case 'x-axis': // elements = elements; break; default: // unsupported mode return; } for (i=0, ilen=elements.length; i<ilen; ++i) { element = elements[i]; if (element) { this.getDatasetMeta(element._datasetIndex).controller[method](element); } } }, eventHandler: function(e) { var me = this; var tooltip = me.tooltip; var options = me.options || {}; var hoverOptions = options.hover; var tooltipsOptions = options.tooltips; me.lastActive = me.lastActive || []; me.lastTooltipActive = me.lastTooltipActive || []; // Find Active Elements for hover and tooltips if (e.type === 'mouseout') { me.active = []; me.tooltipActive = []; } else { me.active = me.getElementsAtEventForMode(e, hoverOptions.mode); me.tooltipActive = me.getElementsAtEventForMode(e, tooltipsOptions.mode); } // On Hover hook if (hoverOptions.onHover) { hoverOptions.onHover.call(me, me.active); } if (me.legend && me.legend.handleEvent) { me.legend.handleEvent(e); } if (e.type === 'mouseup' || e.type === 'click') { if (options.onClick) { options.onClick.call(me, e, me.active); } } // Remove styling for last active (even if it may still be active) if (me.lastActive.length) { me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); } // Built in hover styling if (me.active.length && hoverOptions.mode) { me.updateHoverStyle(me.active, hoverOptions.mode, true); } // Built in Tooltips if (tooltipsOptions.enabled || tooltipsOptions.custom) { tooltip.initialize(); tooltip._active = me.tooltipActive; tooltip.update(true); } // Hover animations tooltip.pivot(); if (!me.animating) { // If entering, leaving, or changing elements, animate the change via pivot if (!helpers.arrayEquals(me.active, me.lastActive) || !helpers.arrayEquals(me.tooltipActive, me.lastTooltipActive)) { me.stop(); if (tooltipsOptions.enabled || tooltipsOptions.custom) { tooltip.update(true); } // We only need to render at this point. Updating will cause scales to be // recomputed generating flicker & using more memory than necessary. me.render(hoverOptions.animationDuration, true); } } // Remember Last Actives me.lastActive = me.active; me.lastTooltipActive = me.tooltipActive; return me; } }); }; },{}],24:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var noop = helpers.noop; // Base class for all dataset controllers (line, bar, etc) Chart.DatasetController = function(chart, datasetIndex) { this.initialize(chart, datasetIndex); }; helpers.extend(Chart.DatasetController.prototype, { /** * Element type used to generate a meta dataset (e.g. Chart.element.Line). * @type {Chart.core.element} */ datasetElementType: null, /** * Element type used to generate a meta data (e.g. Chart.element.Point). * @type {Chart.core.element} */ dataElementType: null, initialize: function(chart, datasetIndex) { var me = this; me.chart = chart; me.index = datasetIndex; me.linkScales(); me.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { var me = this; var meta = me.getMeta(); var dataset = me.getDataset(); if (meta.xAxisID === null) { meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; } if (meta.yAxisID === null) { meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; } }, getDataset: function() { return this.chart.data.datasets[this.index]; }, getMeta: function() { return this.chart.getDatasetMeta(this.index); }, getScaleForId: function(scaleID) { return this.chart.scales[scaleID]; }, reset: function() { this.update(true); }, createMetaDataset: function() { var me = this; var type = me.datasetElementType; return type && new type({ _chart: me.chart.chart, _datasetIndex: me.index }); }, createMetaData: function(index) { var me = this; var type = me.dataElementType; return type && new type({ _chart: me.chart.chart, _datasetIndex: me.index, _index: index }); }, addElements: function() { var me = this; var meta = me.getMeta(); var data = me.getDataset().data || []; var metaData = meta.data; var i, ilen; for (i=0, ilen=data.length; i<ilen; ++i) { metaData[i] = metaData[i] || me.createMetaData(meta, i); } meta.dataset = meta.dataset || me.createMetaDataset(); }, addElementAndReset: function(index) { var me = this; var element = me.createMetaData(index); me.getMeta().data.splice(index, 0, element); me.updateElement(element, index, true); }, buildOrUpdateElements: function() { // Handle the number of data points changing var meta = this.getMeta(), md = meta.data, numData = this.getDataset().data.length, numMetaData = md.length; // Make sure that we handle number of datapoints changing if (numData < numMetaData) { // Remove excess bars for data points that have been removed md.splice(numData, numMetaData - numData); } else if (numData > numMetaData) { // Add new elements for (var index = numMetaData; index < numData; ++index) { this.addElementAndReset(index); } } }, update: noop, draw: function(ease) { var easingDecimal = ease || 1; helpers.each(this.getMeta().data, function(element) { element.transition(easingDecimal).draw(); }); }, removeHoverStyle: function(element, elementOpts) { var dataset = this.chart.data.datasets[element._datasetIndex], index = element._index, custom = element.custom || {}, valueOrDefault = helpers.getValueAtIndexOrDefault, model = element._model; model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); }, setHoverStyle: function(element) { var dataset = this.chart.data.datasets[element._datasetIndex], index = element._index, custom = element.custom || {}, valueOrDefault = helpers.getValueAtIndexOrDefault, getHoverColor = helpers.getHoverColor, model = element._model; model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); } }); Chart.DatasetController.extend = helpers.inherits; }; },{}],25:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var 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() { this.hidden = false; }, pivot: function() { var me = this; if (!me._view) { me._view = helpers.clone(me._model); } me._start = helpers.clone(me._view); return me; }, transition: function(ease) { var me = this; if (!me._view) { me._view = helpers.clone(me._model); } // No animation -> No Transition if (ease === 1) { me._view = me._model; me._start = null; return me; } if (!me._start) { me.pivot(); } helpers.each(me._model, function(value, key) { if (key[0] === '_') { // Only non-underscored properties // Init if doesn't exist } else if (!me._view.hasOwnProperty(key)) { if (typeof value === 'number' && !isNaN(me._view[key])) { me._view[key] = value * ease; } else { me._view[key] = value; } // No unnecessary computations } else if (value === me._view[key]) { // It's the same! Woohoo! // Color transitions if possible } else if (typeof value === 'string') { try { var color = helpers.color(me._model[key]).mix(helpers.color(me._start[key]), ease); me._view[key] = color.rgbString(); } catch (err) { me._view[key] = value; } // Number transitions } else if (typeof value === 'number') { var startVal = me._start[key] !== undefined && isNaN(me._start[key]) === false ? me._start[key] : 0; me._view[key] = ((me._model[key] - startVal) * ease) + startVal; // Everything else } else { me._view[key] = value; } }, me); return me; }, 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; }; },{}],26:[function(require,module,exports){ /* global window: false */ /* global document: false */ 'use strict'; var color = require(3); module.exports = function(Chart) { // Global Chart helpers object for utility methods and classes var helpers = Chart.helpers = {}; // -- Basic js utility methods helpers.each = function(loopable, callback, self, reverse) { // Check to see if null or undefined firstly. var i, len; if (helpers.isArray(loopable)) { len = loopable.length; if (reverse) { for (i = len - 1; i >= 0; i--) { callback.call(self, loopable[i], i); } } else { for (i = 0; i < len; i++) { callback.call(self, loopable[i], i); } } } else if (typeof loopable === 'object') { var keys = Object.keys(loopable); len = keys.length; for (i = 0; i < len; i++) { callback.call(self, loopable[keys[i]], keys[i]); } } }; helpers.clone = function(obj) { var objClone = {}; helpers.each(obj, function(value, key) { if (helpers.isArray(value)) { objClone[key] = value.slice(0); } else if (typeof value === 'object' && value !== null) { objClone[key] = helpers.clone(value); } else { objClone[key] = value; } }); return objClone; }; helpers.extend = function(base) { var setFn = function(value, key) { base[key] = value; }; for (var i = 1, ilen = arguments.length; i < ilen; i++) { helpers.each(arguments[i], setFn); } return base; }; // Need a special merge function to chart configs since they are now grouped helpers.configMerge = function(_base) { var base = helpers.clone(_base); helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) { helpers.each(extension, function(value, 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; }; helpers.scaleMerge = function(_base, extension) { var base = helpers.clone(_base); helpers.each(extension, function(value, key) { if (key === 'xAxes' || key === 'yAxes') { // These properties are arrays of items if (base.hasOwnProperty(key)) { helpers.each(value, function(valueObj, index) { var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); var axisDefaults = Chart.scaleService.getScaleDefaults(axisType); if (index >= base[key].length || !base[key][index].type) { base[key].push(helpers.configMerge(axisDefaults, valueObj)); } else if (valueObj.type && 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], axisDefaults, valueObj); } else { // Type is the same base[key][index] = helpers.configMerge(base[key][index], valueObj); } }); } else { base[key] = []; helpers.each(value, function(valueObj) { var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); base[key].push(helpers.configMerge(Chart.scaleService.getScaleDefaults(axisType), 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; }; 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; }; helpers.getValueOrDefault = function(value, defaultValue) { return value === undefined ? defaultValue : value; }; helpers.indexOf = Array.prototype.indexOf? function(array, item) { return array.indexOf(item); }: function(array, item) { for (var i = 0, ilen = array.length; i < ilen; ++i) { if (array[i] === item) { return i; } } return -1; }; helpers.where = function(collection, filterCallback) { if (helpers.isArray(collection) && Array.prototype.filter) { return collection.filter(filterCallback); } var filtered = []; helpers.each(collection, function(item) { if (filterCallback(item)) { filtered.push(item); } }); return filtered; }; helpers.findIndex = Array.prototype.findIndex? function(array, callback, scope) { return array.findIndex(callback, scope); } : function(array, callback, scope) { scope = scope === undefined? array : scope; for (var i = 0, ilen = array.length; i < ilen; ++i) { if (callback.call(scope, array[i], i, array)) { return i; } } return -1; }; 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; } } }; 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; } } }; helpers.inherits = function(extensions) { // Basic javascript inheritance based on the model created in Backbone.js var me = this; var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { return me.apply(this, arguments); }; var Surrogate = function() { this.constructor = ChartElement; }; Surrogate.prototype = me.prototype; ChartElement.prototype = new Surrogate(); ChartElement.extend = helpers.inherits; if (extensions) { helpers.extend(ChartElement.prototype, extensions); } ChartElement.__super__ = me.prototype; return ChartElement; }; helpers.noop = function() {}; helpers.uid = (function() { var id = 0; return function() { return id++; }; }()); // -- Math methods helpers.isNumber = function(n) { return !isNaN(parseFloat(n)) && isFinite(n); }; helpers.almostEquals = function(x, y, epsilon) { return Math.abs(x - y) < epsilon; }; helpers.max = function(array) { return array.reduce(function(max, value) { if (!isNaN(value)) { return Math.max(max, value); } return max; }, Number.NEGATIVE_INFINITY); }; helpers.min = function(array) { return array.reduce(function(min, value) { if (!isNaN(value)) { return Math.min(min, value); } return min; }, Number.POSITIVE_INFINITY); }; helpers.sign = Math.sign? function(x) { return Math.sign(x); } : function(x) { x = +x; // convert to a number if (x === 0 || isNaN(x)) { return x; } return x > 0 ? 1 : -1; }; helpers.log10 = Math.log10? function(x) { return Math.log10(x); } : function(x) { return Math.log(x) / Math.LN10; }; helpers.toRadians = function(degrees) { return degrees * (Math.PI / 180); }; helpers.toDegrees = function(radians) { return radians * (180 / Math.PI); }; // Gets the angle from vertical upright to the point about a centre. 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 }; }; helpers.aliasPixel = function(pixelWidth) { return (pixelWidth % 2 === 0) ? 0 : 0.5; }; helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { // Props to Rob Spencer at scaled innovation for his post on splining between points // http://scaledinnovation.com/analytics/splines/aboutSplines.html // This function must also respect "skipped" points var previous = firstPoint.skip ? middlePoint : firstPoint, current = middlePoint, next = afterPoint.skip ? middlePoint : afterPoint; var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); var s01 = d01 / (d01 + d12); var s12 = d12 / (d01 + d12); // If all points are the same, s01 & s02 will be inf s01 = isNaN(s01) ? 0 : s01; s12 = isNaN(s12) ? 0 : s12; var fa = t * s01; // scaling factor for triangle Ta var fb = t * s12; return { previous: { x: current.x - fa * (next.x - previous.x), y: current.y - fa * (next.y - previous.y) }, next: { x: current.x + fb * (next.x - previous.x), y: current.y + fb * (next.y - previous.y) } }; }; helpers.EPSILON = Number.EPSILON || 1e-14; helpers.splineCurveMonotone = function(points) { // This function calculates Bézier control points in a similar way than |splineCurve|, // but preserves monotonicity of the provided data and ensures no local extremums are added // between the dataset discrete points due to the interpolation. // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation var pointsWithTangents = (points || []).map(function(point) { return { model: point._model, deltaK: 0, mK: 0 }; }); // Calculate slopes (deltaK) and initialize tangents (mK) var pointsLen = pointsWithTangents.length; var i, pointBefore, pointCurrent, pointAfter; for (i = 0; i < pointsLen; ++i) { pointCurrent = pointsWithTangents[i]; if (pointCurrent.model.skip) { continue; } pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; if (pointAfter && !pointAfter.model.skip) { pointCurrent.deltaK = (pointAfter.model.y - pointCurrent.model.y) / (pointAfter.model.x - pointCurrent.model.x); } if (!pointBefore || pointBefore.model.skip) { pointCurrent.mK = pointCurrent.deltaK; } else if (!pointAfter || pointAfter.model.skip) { pointCurrent.mK = pointBefore.deltaK; } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { pointCurrent.mK = 0; } else { pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; } } // Adjust tangents to ensure monotonic properties var alphaK, betaK, tauK, squaredMagnitude; for (i = 0; i < pointsLen - 1; ++i) { pointCurrent = pointsWithTangents[i]; pointAfter = pointsWithTangents[i + 1]; if (pointCurrent.model.skip || pointAfter.model.skip) { continue; } if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { pointCurrent.mK = pointAfter.mK = 0; continue; } alphaK = pointCurrent.mK / pointCurrent.deltaK; betaK = pointAfter.mK / pointCurrent.deltaK; squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); if (squaredMagnitude <= 9) { continue; } tauK = 3 / Math.sqrt(squaredMagnitude); pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; pointAfter.mK = betaK * tauK * pointCurrent.deltaK; } // Compute control points var deltaX; for (i = 0; i < pointsLen; ++i) { pointCurrent = pointsWithTangents[i]; if (pointCurrent.model.skip) { continue; } pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; if (pointBefore && !pointBefore.model.skip) { deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; } if (pointAfter && !pointAfter.model.skip) { deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; } } }; 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]; }; 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 helpers.niceNum = function(range, round) { var exponent = Math.floor(helpers.log10(range)); var fraction = range / Math.pow(10, exponent); var niceFraction; if (round) { if (fraction < 1.5) { niceFraction = 1; } else if (fraction < 3) { niceFraction = 2; } else if (fraction < 7) { niceFraction = 5; } else { niceFraction = 10; } } else if (fraction <= 1.0) { niceFraction = 1; } else if (fraction <= 2) { niceFraction = 2; } else if (fraction <= 5) { niceFraction = 5; } else { niceFraction = 10; } return niceFraction * Math.pow(10, exponent); }; // Easing functions adapted from Robert Penner's easing equations // http://www.robertpenner.com/easing/ var 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); } 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/ helpers.requestAnimFrame = (function() { return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { return window.setTimeout(callback, 1000 / 60); }; }()); helpers.cancelAnimFrame = (function() { return window.cancelAnimationFrame || window.webkitCancelAnimationFrame || window.mozCancelAnimationFrame || window.oCancelAnimationFrame || window.msCancelAnimationFrame || function(callback) { return window.clearTimeout(callback, 1000 / 60); }; }()); // -- DOM methods helpers.getRelativePosition = function(evt, chart) { var mouseX, mouseY; var e = evt.originalEvent || evt, canvas = evt.currentTarget || evt.srcElement, boundingRect = canvas.getBoundingClientRect(); var touches = e.touches; if (touches && touches.length > 0) { mouseX = touches[0].clientX; mouseY = 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/ var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left')); var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top')); var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right')); var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom')); var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; // 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 - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); return { x: mouseX, y: mouseY }; }; 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; } }; 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] = helpers.noop; } }; helpers.bindEvents = function(chartInstance, arrayOfEvents, handler) { // Create the events object if it's not already present var events = chartInstance.events = chartInstance.events || {}; helpers.each(arrayOfEvents, function(eventName) { events[eventName] = function() { handler.apply(chartInstance, arguments); }; helpers.addEvent(chartInstance.chart.canvas, eventName, events[eventName]); }); }; helpers.unbindEvents = function(chartInstance, arrayOfEvents) { var canvas = chartInstance.chart.canvas; helpers.each(arrayOfEvents, function(handler, eventName) { helpers.removeEvent(canvas, eventName, handler); }); }; // Private helper function to convert max-width/max-height values that may be percentages into a number function parseMaxStyle(styleValue, node, parentProperty) { var valueInPixels; if (typeof(styleValue) === 'string') { valueInPixels = parseInt(styleValue, 10); if (styleValue.indexOf('%') !== -1) { // percentage * size in dimension valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; } } else { valueInPixels = styleValue; } return valueInPixels; } /** * Returns if the given value contains an effective constraint. * @private */ function isConstrainedValue(value) { return value !== undefined && value !== null && value !== 'none'; } // Private helper to get a constraint dimension // @param domNode : the node to check the constraint on // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) // @param percentageProperty : property of parent to use when calculating width as a percentage // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser function getConstraintDimension(domNode, maxStyle, percentageProperty) { var view = document.defaultView; var parentNode = domNode.parentNode; var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; var hasCNode = isConstrainedValue(constrainedNode); var hasCContainer = isConstrainedValue(constrainedContainer); var infinity = Number.POSITIVE_INFINITY; if (hasCNode || hasCContainer) { return Math.min( hasCNode? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, hasCContainer? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); } return 'none'; } // returns Number or undefined if no constraint helpers.getConstraintWidth = function(domNode) { return getConstraintDimension(domNode, 'max-width', 'clientWidth'); }; // returns Number or undefined if no constraint helpers.getConstraintHeight = function(domNode) { return getConstraintDimension(domNode, 'max-height', 'clientHeight'); }; helpers.getMaximumWidth = function(domNode) { var container = domNode.parentNode; var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10); var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10); var w = container.clientWidth - paddingLeft - paddingRight; var cw = helpers.getConstraintWidth(domNode); return isNaN(cw)? w : Math.min(w, cw); }; helpers.getMaximumHeight = function(domNode) { var container = domNode.parentNode; var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10); var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10); var h = container.clientHeight - paddingTop - paddingBottom; var ch = helpers.getConstraintHeight(domNode); return isNaN(ch)? h : Math.min(h, ch); }; helpers.getStyle = function(el, property) { return el.currentStyle ? el.currentStyle[property] : document.defaultView.getComputedStyle(el, null).getPropertyValue(property); }; helpers.retinaScale = function(chart) { var ctx = chart.ctx; var canvas = chart.canvas; var width = canvas.width; var height = canvas.height; var pixelRatio = chart.currentDevicePixelRatio = window.devicePixelRatio || 1; if (pixelRatio !== 1) { canvas.height = height * pixelRatio; canvas.width = width * pixelRatio; ctx.scale(pixelRatio, pixelRatio); // Store the device pixel ratio so that we can go backwards in `destroy`. // The devicePixelRatio changes with zoom, so there are no guarantees that it is the same // when destroy is called chart.originalDevicePixelRatio = chart.originalDevicePixelRatio || pixelRatio; } canvas.style.width = width + 'px'; canvas.style.height = height + 'px'; }; // -- Canvas methods helpers.clear = function(chart) { chart.ctx.clearRect(0, 0, chart.width, chart.height); }; helpers.fontString = function(pixelSize, fontStyle, fontFamily) { return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; }; helpers.longestText = function(ctx, font, arrayOfThings, cache) { cache = cache || {}; var data = cache.data = cache.data || {}; var gc = cache.garbageCollect = cache.garbageCollect || []; if (cache.font !== font) { data = cache.data = {}; gc = cache.garbageCollect = []; cache.font = font; } ctx.font = font; var longest = 0; helpers.each(arrayOfThings, function(thing) { // Undefined strings and arrays should not be measured if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { longest = helpers.measureText(ctx, data, gc, longest, thing); } else if (helpers.isArray(thing)) { // if it is an array lets measure each element // to do maybe simplify this function a bit so we can do this more recursively? helpers.each(thing, function(nestedThing) { // Undefined strings and arrays should not be measured if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { longest = helpers.measureText(ctx, data, gc, longest, nestedThing); } }); } }); var gcLen = gc.length / 2; if (gcLen > arrayOfThings.length) { for (var i = 0; i < gcLen; i++) { delete data[gc[i]]; } gc.splice(0, gcLen); } return longest; }; helpers.measureText = function(ctx, data, gc, longest, string) { var textWidth = data[string]; if (!textWidth) { textWidth = data[string] = ctx.measureText(string).width; gc.push(string); } if (textWidth > longest) { longest = textWidth; } return longest; }; helpers.numberOfLabelLines = function(arrayOfThings) { var numberOfLines = 1; helpers.each(arrayOfThings, function(thing) { if (helpers.isArray(thing)) { if (thing.length > numberOfLines) { numberOfLines = thing.length; } } }); return numberOfLines; }; 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(); }; helpers.color = function(c) { if (!color) { console.error('Color.js not found!'); return c; } /* global CanvasGradient */ if (c instanceof CanvasGradient) { return color(Chart.defaults.global.defaultColor); } return color(c); }; 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.tabIndex = -1; var style = hiddenIframe.style; style.width = '100%'; style.display = 'block'; style.border = 0; style.height = 0; style.margin = 0; style.position = 'absolute'; style.left = 0; style.right = 0; style.top = 0; style.bottom = 0; // Insert the iframe so that contentWindow is available node.insertBefore(hiddenIframe, node.firstChild); (hiddenIframe.contentWindow || hiddenIframe).onresize = function() { if (callback) { return callback(); } }; }; helpers.removeResizeListener = function(node) { var hiddenIframe = node.querySelector('.chartjs-hidden-iframe'); // Remove the resize detect iframe if (hiddenIframe) { hiddenIframe.parentNode.removeChild(hiddenIframe); } }; helpers.isArray = Array.isArray? function(obj) { return Array.isArray(obj); } : function(obj) { return Object.prototype.toString.call(obj) === '[object Array]'; }; // ! @see http://stackoverflow.com/a/14853974 helpers.arrayEquals = function(a0, a1) { var i, ilen, v0, v1; if (!a0 || !a1 || a0.length !== a1.length) { return false; } for (i = 0, ilen=a0.length; i < ilen; ++i) { v0 = a0[i]; v1 = a1[i]; if (v0 instanceof Array && v1 instanceof Array) { if (!helpers.arrayEquals(v0, v1)) { return false; } } else if (v0 !== v1) { // NOTE: two different object instances will never be equal: {x:20} != {x:20} return false; } } return true; }; helpers.callCallback = function(fn, args, _tArg) { if (fn && typeof fn.call === 'function') { fn.apply(_tArg, args); } }; helpers.getHoverColor = function(colorValue) { /* global CanvasPattern */ return (colorValue instanceof CanvasPattern) ? colorValue : helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); }; }; },{"3":3}],27:[function(require,module,exports){ 'use strict'; module.exports = function() { // Occupy the global variable of Chart, and create a simple base class var Chart = function(context, config) { var me = this; var helpers = Chart.helpers; me.config = config || { data: { datasets: [] } }; // 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'); } me.ctx = context; me.canvas = context.canvas; context.canvas.style.display = context.canvas.style.display || 'block'; // 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 me.width = context.canvas.width || parseInt(helpers.getStyle(context.canvas, 'width'), 10) || helpers.getMaximumWidth(context.canvas); me.height = context.canvas.height || parseInt(helpers.getStyle(context.canvas, 'height'), 10) || helpers.getMaximumHeight(context.canvas); me.aspectRatio = me.width / me.height; if (isNaN(me.aspectRatio) || isFinite(me.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 me.aspectRatio = config.aspectRatio !== undefined ? config.aspectRatio : 2; } // Store the original style of the element so we can set it back me.originalCanvasStyleWidth = context.canvas.style.width; me.originalCanvasStyleHeight = context.canvas.style.height; // High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale. helpers.retinaScale(me); me.controller = new Chart.Controller(me); // Always bind this so that if the responsive state changes we still work helpers.addResizeListener(context.canvas.parentNode, function() { if (me.controller && me.controller.config.options.responsive) { me.controller.resize(); } }); return me.controller ? me.controller : me; }; // Globally expose the defaults to allow for user updating/changing Chart.defaults = { global: { responsive: true, responsiveAnimationDuration: 0, maintainAspectRatio: true, events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'], hover: { onHover: null, mode: 'single', animationDuration: 400 }, onClick: null, defaultColor: 'rgba(0,0,0,0.1)', defaultFontColor: '#666', defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", defaultFontSize: 12, defaultFontStyle: 'normal', showLines: true, // Element defaults defined in element extensions elements: {}, // Legend callback string legendCallback: function(chart) { var text = []; text.push('<ul class="' + chart.id + '-legend">'); for (var i = 0; i < chart.data.datasets.length; i++) { text.push('<li><span style="background-color:' + chart.data.datasets[i].backgroundColor + '"></span>'); if (chart.data.datasets[i].label) { text.push(chart.data.datasets[i].label); } text.push('</li>'); } text.push('</ul>'); return text.join(''); } } }; Chart.Chart = Chart; return Chart; }; },{}],28:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; // The layout service is very self explanatory. It's responsible for the layout within a chart. // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need // It is this service's responsibility of carrying out that layout. Chart.layoutService = { defaults: {}, // Register a box to a chartInstance. A box is simply a reference to an object that requires layout. eg. Scales, Legend, Plugins. addBox: function(chartInstance, box) { if (!chartInstance.boxes) { chartInstance.boxes = []; } chartInstance.boxes.push(box); }, removeBox: function(chartInstance, box) { if (!chartInstance.boxes) { return; } chartInstance.boxes.splice(chartInstance.boxes.indexOf(box), 1); }, // The most important function update: function(chartInstance, width, height) { if (!chartInstance) { return; } var xPadding = 0; var yPadding = 0; var leftBoxes = helpers.where(chartInstance.boxes, function(box) { return box.options.position === 'left'; }); var rightBoxes = helpers.where(chartInstance.boxes, function(box) { return box.options.position === 'right'; }); var topBoxes = helpers.where(chartInstance.boxes, function(box) { return box.options.position === 'top'; }); var bottomBoxes = helpers.where(chartInstance.boxes, function(box) { return box.options.position === 'bottom'; }); // Boxes that overlay the chartarea such as the radialLinear scale var chartAreaBoxes = helpers.where(chartInstance.boxes, function(box) { return box.options.position === 'chartArea'; }); // Ensure that full width boxes are at the very top / bottom topBoxes.sort(function(a, b) { return (b.options.fullWidth ? 1 : 0) - (a.options.fullWidth ? 1 : 0); }); bottomBoxes.sort(function(a, b) { return (a.options.fullWidth ? 1 : 0) - (b.options.fullWidth ? 1 : 0); }); // Essentially we now have any number of boxes on each of the 4 sides. // Our canvas looks like the following. // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and // B1 is the bottom axis // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays // These locations are single-box locations only, when trying to register a chartArea location that is already taken, // an error will be thrown. // // |----------------------------------------------------| // | T1 (Full Width) | // |----------------------------------------------------| // | | | T2 | | // | |----|-------------------------------------|----| // | | | C1 | | C2 | | // | | |----| |----| | // | | | | | // | L1 | L2 | ChartArea (C0) | R1 | // | | | | | // | | |----| |----| | // | | | C3 | | C4 | | // | |----|-------------------------------------|----| // | | | B1 | | // |----------------------------------------------------| // | B2 (Full Width) | // |----------------------------------------------------| // // What we do to find the best sizing, we do the following // 1. Determine the minimum size of the chart area. // 2. Split the remaining width equally between each vertical axis // 3. Split the remaining height equally between each horizontal axis // 4. Give each layout the maximum size it can be. The layout will return it's minimum size // 5. Adjust the sizes of each axis based on it's minimum reported size. // 6. Refit each axis // 7. Position each axis in the final location // 8. Tell the chart the final location of the chart area // 9. Tell any axes that overlay the chart area the positions of the chart area // Step 1 var chartWidth = width - (2 * xPadding); var chartHeight = height - (2 * yPadding); var chartAreaWidth = chartWidth / 2; // min 50% var chartAreaHeight = chartHeight / 2; // min 50% // Step 2 var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length); // Step 3 var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length); // Step 4 var maxChartAreaWidth = chartWidth; var maxChartAreaHeight = chartHeight; var minBoxSizes = []; function getMinimumBoxSize(box) { var minSize; var isHorizontal = box.isHorizontal(); if (isHorizontal) { minSize = box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); maxChartAreaHeight -= minSize.height; } else { minSize = box.update(verticalBoxWidth, chartAreaHeight); maxChartAreaWidth -= minSize.width; } minBoxSizes.push({ horizontal: isHorizontal, minSize: minSize, box: box }); } helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could // be if the axes are drawn at their minimum sizes. // Steps 5 & 6 var totalLeftBoxesWidth = xPadding; var totalRightBoxesWidth = xPadding; var totalTopBoxesHeight = yPadding; var totalBottomBoxesHeight = yPadding; // Function to fit a box function fitBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) { return minBox.box === box; }); if (minBoxSize) { if (box.isHorizontal()) { var scaleMargin = { left: totalLeftBoxesWidth, right: totalRightBoxesWidth, top: 0, bottom: 0 }; // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends // on the margin. Sometimes they need to increase in size slightly box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); } else { box.update(minBoxSize.minSize.width, maxChartAreaHeight); } } } // Update, and calculate the left and right margins for the horizontal boxes helpers.each(leftBoxes.concat(rightBoxes), fitBox); helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); // Set the Left and Right margins for the horizontal boxes helpers.each(topBoxes.concat(bottomBoxes), fitBox); // Figure out how much margin is on the top and bottom of the vertical boxes helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); function finalFitVerticalBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) { return minSize.box === box; }); var scaleMargin = { left: 0, right: 0, top: totalTopBoxesHeight, bottom: totalBottomBoxesHeight }; if (minBoxSize) { box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); } } // Let the left layout know the final margin helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) totalLeftBoxesWidth = xPadding; totalRightBoxesWidth = xPadding; totalTopBoxesHeight = yPadding; totalBottomBoxesHeight = yPadding; helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); // Figure out if our chart area changed. This would occur if the dataset layout label rotation // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do // without calling `fit` again var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight; var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth; if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { helpers.each(leftBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(rightBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(topBoxes, function(box) { if (!box.options.fullWidth) { box.width = newMaxChartAreaWidth; } }); helpers.each(bottomBoxes, function(box) { if (!box.options.fullWidth) { box.width = newMaxChartAreaWidth; } }); maxChartAreaHeight = newMaxChartAreaHeight; maxChartAreaWidth = newMaxChartAreaWidth; } // Step 7 - Position the boxes var left = xPadding; var top = yPadding; function placeBox(box) { if (box.isHorizontal()) { box.left = box.options.fullWidth ? xPadding : totalLeftBoxesWidth; box.right = box.options.fullWidth ? width - xPadding : totalLeftBoxesWidth + maxChartAreaWidth; box.top = top; box.bottom = top + box.height; // Move to next point top = box.bottom; } else { box.left = left; box.right = left + box.width; box.top = totalTopBoxesHeight; box.bottom = totalTopBoxesHeight + maxChartAreaHeight; // Move to next point left = box.right; } } helpers.each(leftBoxes.concat(topBoxes), placeBox); // Account for chart width and height left += maxChartAreaWidth; top += maxChartAreaHeight; helpers.each(rightBoxes, placeBox); helpers.each(bottomBoxes, placeBox); // Step 8 chartInstance.chartArea = { left: totalLeftBoxesWidth, top: totalTopBoxesHeight, right: totalLeftBoxesWidth + maxChartAreaWidth, bottom: totalTopBoxesHeight + maxChartAreaHeight }; // Step 9 helpers.each(chartAreaBoxes, function(box) { box.left = chartInstance.chartArea.left; box.top = chartInstance.chartArea.top; box.right = chartInstance.chartArea.right; box.bottom = chartInstance.chartArea.bottom; box.update(maxChartAreaWidth, maxChartAreaHeight); }); } }; }; },{}],29:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var noop = helpers.noop; Chart.defaults.global.legend = { display: true, position: 'top', fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes) reverse: false, // a callback that will handle onClick: function(e, legendItem) { var index = legendItem.datasetIndex; var ci = this.chart; var meta = ci.getDatasetMeta(index); // See controller.isDatasetVisible comment meta.hidden = meta.hidden === null? !ci.data.datasets[index].hidden : null; // We hid a dataset ... rerender the chart ci.update(); }, onHover: null, labels: { boxWidth: 40, padding: 10, // Generates labels shown in the legend // Valid properties to return: // text : text to display // fillStyle : fill of coloured box // strokeStyle: stroke of coloured box // hidden : if this legend item refers to a hidden item // lineCap : cap style for line // lineDash // lineDashOffset : // lineJoin : // lineWidth : generateLabels: function(chart) { var data = chart.data; return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { return { text: dataset.label, fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), hidden: !chart.isDatasetVisible(i), lineCap: dataset.borderCapStyle, lineDash: dataset.borderDash, lineDashOffset: dataset.borderDashOffset, lineJoin: dataset.borderJoinStyle, lineWidth: dataset.borderWidth, strokeStyle: dataset.borderColor, pointStyle: dataset.pointStyle, // Below is extra data used for toggling the datasets datasetIndex: i }; }, this) : []; } } }; Chart.Legend = Chart.Element.extend({ initialize: function(config) { helpers.extend(this, config); // Contains hit boxes for each dataset (in dataset order) this.legendHitBoxes = []; // Are we in doughnut mode which has a different data type this.doughnutMode = false; }, // These methods are ordered by lifecyle. Utilities then follow. // Any function defined here is inherited by all legend types. // Any function can be extended by the legend type beforeUpdate: noop, update: function(maxWidth, maxHeight, margins) { var me = this; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = margins; // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Labels me.beforeBuildLabels(); me.buildLabels(); me.afterBuildLabels(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; // Reset minSize me.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: function() { var me = this; me.legendItems = me.options.labels.generateLabels.call(me, me.chart); if (me.options.reverse) { me.legendItems.reverse(); } }, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var me = this; var opts = me.options; var labelOpts = opts.labels; var display = opts.display; var ctx = me.ctx; var globalDefault = Chart.defaults.global, itemOrDefault = helpers.getValueOrDefault, fontSize = itemOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize), fontStyle = itemOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle), fontFamily = itemOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily), labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); // Reset hit boxes var hitboxes = me.legendHitBoxes = []; var minSize = me.minSize; var isHorizontal = me.isHorizontal(); if (isHorizontal) { minSize.width = me.maxWidth; // fill all the width minSize.height = display ? 10 : 0; } else { minSize.width = display ? 10 : 0; minSize.height = me.maxHeight; // fill all the height } // Increase sizes here if (display) { ctx.font = labelFont; if (isHorizontal) { // Labels // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one var lineWidths = me.lineWidths = [0]; var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0; ctx.textAlign = 'left'; ctx.textBaseline = 'top'; helpers.each(me.legendItems, function(legendItem, i) { var boxWidth = labelOpts.usePointStyle ? fontSize * Math.sqrt(2) : labelOpts.boxWidth; var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) { totalHeight += fontSize + (labelOpts.padding); lineWidths[lineWidths.length] = me.left; } // Store the hitbox width and height here. Final position will be updated in `draw` hitboxes[i] = { left: 0, top: 0, width: width, height: fontSize }; lineWidths[lineWidths.length - 1] += width + labelOpts.padding; }); minSize.height += totalHeight; } else { var vPadding = labelOpts.padding; var columnWidths = me.columnWidths = []; var totalWidth = labelOpts.padding; var currentColWidth = 0; var currentColHeight = 0; var itemHeight = fontSize + vPadding; helpers.each(me.legendItems, function(legendItem, i) { // If usePointStyle is set, multiple boxWidth by 2 since it represents // the radius and not truly the width var boxWidth = labelOpts.usePointStyle ? 2 * labelOpts.boxWidth : labelOpts.boxWidth; var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; // If too tall, go to new column if (currentColHeight + itemHeight > minSize.height) { totalWidth += currentColWidth + labelOpts.padding; columnWidths.push(currentColWidth); // previous column width currentColWidth = 0; currentColHeight = 0; } // Get max width currentColWidth = Math.max(currentColWidth, itemWidth); currentColHeight += itemHeight; // Store the hitbox width and height here. Final position will be updated in `draw` hitboxes[i] = { left: 0, top: 0, width: itemWidth, height: fontSize }; }); totalWidth += currentColWidth; columnWidths.push(currentColWidth); minSize.width += totalWidth; } } me.width = minSize.width; me.height = minSize.height; }, afterFit: noop, // Shared Methods isHorizontal: function() { return this.options.position === 'top' || this.options.position === 'bottom'; }, // Actualy draw the legend on the canvas draw: function() { var me = this; var opts = me.options; var labelOpts = opts.labels; var globalDefault = Chart.defaults.global, lineDefault = globalDefault.elements.line, legendWidth = me.width, lineWidths = me.lineWidths; if (opts.display) { var ctx = me.ctx, cursor, itemOrDefault = helpers.getValueOrDefault, fontColor = itemOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor), fontSize = itemOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize), fontStyle = itemOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle), fontFamily = itemOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily), labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); // Canvas setup ctx.textAlign = 'left'; ctx.textBaseline = 'top'; ctx.lineWidth = 0.5; ctx.strokeStyle = fontColor; // for strikethrough effect ctx.fillStyle = fontColor; // render in correct colour ctx.font = labelFont; var boxWidth = labelOpts.boxWidth, hitboxes = me.legendHitBoxes; // current position var drawLegendBox = function(x, y, legendItem) { if (isNaN(boxWidth) || boxWidth <= 0) { return; } // Set the ctx for the box ctx.save(); ctx.fillStyle = itemOrDefault(legendItem.fillStyle, globalDefault.defaultColor); ctx.lineCap = itemOrDefault(legendItem.lineCap, lineDefault.borderCapStyle); ctx.lineDashOffset = itemOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset); ctx.lineJoin = itemOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle); ctx.lineWidth = itemOrDefault(legendItem.lineWidth, lineDefault.borderWidth); ctx.strokeStyle = itemOrDefault(legendItem.strokeStyle, globalDefault.defaultColor); var isLineWidthZero = (itemOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0); if (ctx.setLineDash) { // IE 9 and 10 do not support line dash ctx.setLineDash(itemOrDefault(legendItem.lineDash, lineDefault.borderDash)); } if (opts.labels && opts.labels.usePointStyle) { // Recalulate x and y for drawPoint() because its expecting // x and y to be center of figure (instead of top left) var radius = fontSize * Math.SQRT2 / 2; var offSet = radius / Math.SQRT2; var centerX = x + offSet; var centerY = y + offSet; // Draw pointStyle as legend symbol Chart.canvasHelpers.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); } else { // Draw box as legend symbol if (!isLineWidthZero) { ctx.strokeRect(x, y, boxWidth, fontSize); } ctx.fillRect(x, y, boxWidth, fontSize); } ctx.restore(); }; var fillText = function(x, y, legendItem, textWidth) { ctx.fillText(legendItem.text, boxWidth + (fontSize / 2) + x, y); if (legendItem.hidden) { // Strikethrough the text if hidden ctx.beginPath(); ctx.lineWidth = 2; ctx.moveTo(boxWidth + (fontSize / 2) + x, y + (fontSize / 2)); ctx.lineTo(boxWidth + (fontSize / 2) + x + textWidth, y + (fontSize / 2)); ctx.stroke(); } }; // Horizontal var isHorizontal = me.isHorizontal(); if (isHorizontal) { cursor = { x: me.left + ((legendWidth - lineWidths[0]) / 2), y: me.top + labelOpts.padding, line: 0 }; } else { cursor = { x: me.left + labelOpts.padding, y: me.top + labelOpts.padding, line: 0 }; } var itemHeight = fontSize + labelOpts.padding; helpers.each(me.legendItems, function(legendItem, i) { var textWidth = ctx.measureText(legendItem.text).width, width = labelOpts.usePointStyle ? fontSize + (fontSize / 2) + textWidth : boxWidth + (fontSize / 2) + textWidth, x = cursor.x, y = cursor.y; if (isHorizontal) { if (x + width >= legendWidth) { y = cursor.y += itemHeight; cursor.line++; x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2); } } else if (y + itemHeight > me.bottom) { x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; y = cursor.y = me.top; cursor.line++; } drawLegendBox(x, y, legendItem); hitboxes[i].left = x; hitboxes[i].top = y; // Fill the actual label fillText(x, y, legendItem, textWidth); if (isHorizontal) { cursor.x += width + (labelOpts.padding); } else { cursor.y += itemHeight; } }); } }, // Handle an event handleEvent: function(e) { var me = this; var opts = me.options; var type = e.type === 'mouseup' ? 'click' : e.type; if (type === 'mousemove') { if (!opts.onHover) { return; } } else if (type === 'click') { if (!opts.onClick) { return; } } else { return; } var position = helpers.getRelativePosition(e, me.chart.chart), x = position.x, y = position.y; if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { // See if we are touching one of the dataset boxes var lh = me.legendHitBoxes; for (var i = 0; i < lh.length; ++i) { var hitBox = lh[i]; if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { // Touching an element if (type === 'click') { opts.onClick.call(me, e, me.legendItems[i]); break; } else if (type === 'mousemove') { opts.onHover.call(me, e, me.legendItems[i]); break; } } } } } }); // Register the legend plugin Chart.plugins.register({ beforeInit: function(chartInstance) { var opts = chartInstance.options; var legendOpts = opts.legend; if (legendOpts) { chartInstance.legend = new Chart.Legend({ ctx: chartInstance.chart.ctx, options: legendOpts, chart: chartInstance }); Chart.layoutService.addBox(chartInstance, chartInstance.legend); } } }); }; },{}],30:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var noop = Chart.helpers.noop; /** * The plugin service singleton * @namespace Chart.plugins * @since 2.1.0 */ Chart.plugins = { _plugins: [], /** * Registers the given plugin(s) if not already registered. * @param {Array|Object} plugins plugin instance(s). */ register: function(plugins) { var p = this._plugins; ([]).concat(plugins).forEach(function(plugin) { if (p.indexOf(plugin) === -1) { p.push(plugin); } }); }, /** * Unregisters the given plugin(s) only if registered. * @param {Array|Object} plugins plugin instance(s). */ unregister: function(plugins) { var p = this._plugins; ([]).concat(plugins).forEach(function(plugin) { var idx = p.indexOf(plugin); if (idx !== -1) { p.splice(idx, 1); } }); }, /** * Remove all registered p^lugins. * @since 2.1.5 */ clear: function() { this._plugins = []; }, /** * Returns the number of registered plugins? * @returns {Number} * @since 2.1.5 */ count: function() { return this._plugins.length; }, /** * Returns all registered plugin intances. * @returns {Array} array of plugin objects. * @since 2.1.5 */ getAll: function() { return this._plugins; }, /** * Calls registered plugins on the specified extension, with the given args. This * method immediately returns as soon as a plugin explicitly returns false. The * returned value can be used, for instance, to interrupt the current action. * @param {String} extension the name of the plugin method to call (e.g. 'beforeUpdate'). * @param {Array} [args] extra arguments to apply to the extension call. * @returns {Boolean} false if any of the plugins return false, else returns true. */ notify: function(extension, args) { var plugins = this._plugins; var ilen = plugins.length; var i, plugin; for (i=0; i<ilen; ++i) { plugin = plugins[i]; if (typeof plugin[extension] === 'function') { if (plugin[extension].apply(plugin, args || []) === false) { return false; } } } return true; } }; /** * Plugin extension methods. * @interface Chart.PluginBase * @since 2.1.0 */ Chart.PluginBase = Chart.Element.extend({ // Called at start of chart init beforeInit: noop, // Called at end of chart init afterInit: noop, // Called at start of update beforeUpdate: noop, // Called at end of update afterUpdate: noop, // Called at start of draw beforeDraw: noop, // Called at end of draw afterDraw: noop, // Called during destroy destroy: noop }); /** * Provided for backward compatibility, use Chart.plugins instead * @namespace Chart.pluginService * @deprecated since version 2.1.5 * @todo remove me at version 3 */ Chart.pluginService = Chart.plugins; }; },{}],31:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.scale = { display: true, position: 'left', // grid line settings gridLines: { display: true, color: 'rgba(0, 0, 0, 0.1)', lineWidth: 1, drawBorder: true, drawOnChartArea: true, drawTicks: true, tickMarkLength: 10, zeroLineWidth: 1, zeroLineColor: 'rgba(0,0,0,0.25)', offsetGridLines: false, borderDash: [], borderDashOffset: 0.0 }, // scale label scaleLabel: { // actual label labelString: '', // display property display: false }, // label settings ticks: { beginAtZero: false, minRotation: 0, maxRotation: 50, mirror: false, padding: 10, reverse: false, display: true, autoSkip: true, autoSkipPadding: 0, labelOffset: 0, // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. callback: function(value) { return helpers.isArray(value) ? value : '' + value; } } }; Chart.Scale = Chart.Element.extend({ // These methods are ordered by lifecyle. Utilities then follow. // Any function defined here is inherited by all scale types. // Any function can be extended by the scale type beforeUpdate: function() { helpers.callCallback(this.options.beforeUpdate, [this]); }, update: function(maxWidth, maxHeight, margins) { var me = this; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = helpers.extend({ left: 0, right: 0, top: 0, bottom: 0 }, margins); // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Data min/max me.beforeDataLimits(); me.determineDataLimits(); me.afterDataLimits(); // Ticks me.beforeBuildTicks(); me.buildTicks(); me.afterBuildTicks(); me.beforeTickToLabelConversion(); me.convertTicksToLabels(); me.afterTickToLabelConversion(); // Tick Rotation me.beforeCalculateTickRotation(); me.calculateTickRotation(); me.afterCalculateTickRotation(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: function() { helpers.callCallback(this.options.afterUpdate, [this]); }, // beforeSetDimensions: function() { helpers.callCallback(this.options.beforeSetDimensions, [this]); }, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; }, afterSetDimensions: function() { helpers.callCallback(this.options.afterSetDimensions, [this]); }, // Data limits beforeDataLimits: function() { helpers.callCallback(this.options.beforeDataLimits, [this]); }, determineDataLimits: helpers.noop, afterDataLimits: function() { helpers.callCallback(this.options.afterDataLimits, [this]); }, // beforeBuildTicks: function() { helpers.callCallback(this.options.beforeBuildTicks, [this]); }, buildTicks: helpers.noop, afterBuildTicks: function() { helpers.callCallback(this.options.afterBuildTicks, [this]); }, beforeTickToLabelConversion: function() { helpers.callCallback(this.options.beforeTickToLabelConversion, [this]); }, convertTicksToLabels: function() { var me = this; // Convert ticks to strings me.ticks = me.ticks.map(function(numericalTick, index, ticks) { if (me.options.ticks.userCallback) { return me.options.ticks.userCallback(numericalTick, index, ticks); } return me.options.ticks.callback(numericalTick, index, ticks); }, me); }, afterTickToLabelConversion: function() { helpers.callCallback(this.options.afterTickToLabelConversion, [this]); }, // beforeCalculateTickRotation: function() { helpers.callCallback(this.options.beforeCalculateTickRotation, [this]); }, calculateTickRotation: function() { var me = this; var context = me.ctx; var globalDefaults = Chart.defaults.global; var optionTicks = me.options.ticks; // Get the width of each grid by calculating the difference // between x offsets between 0 and 1. var tickFontSize = helpers.getValueOrDefault(optionTicks.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(optionTicks.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(optionTicks.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); context.font = tickLabelFont; var firstWidth = context.measureText(me.ticks[0]).width; var lastWidth = context.measureText(me.ticks[me.ticks.length - 1]).width; var firstRotated; me.labelRotation = optionTicks.minRotation || 0; me.paddingRight = 0; me.paddingLeft = 0; if (me.options.display) { if (me.isHorizontal()) { me.paddingRight = lastWidth / 2 + 3; me.paddingLeft = firstWidth / 2 + 3; if (!me.longestTextCache) { me.longestTextCache = {}; } var originalLabelWidth = helpers.longestText(context, tickLabelFont, me.ticks, me.longestTextCache); var labelWidth = originalLabelWidth; var cosRotation; var sinRotation; // 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 = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; // Max label rotation can be set or default to 90 - also act as a loop counter while (labelWidth > tickWidth && me.labelRotation < optionTicks.maxRotation) { cosRotation = Math.cos(helpers.toRadians(me.labelRotation)); sinRotation = Math.sin(helpers.toRadians(me.labelRotation)); firstRotated = cosRotation * firstWidth; // We're right aligning the text now. if (firstRotated + tickFontSize / 2 > me.yLabelWidth) { me.paddingLeft = firstRotated + tickFontSize / 2; } me.paddingRight = tickFontSize / 2; if (sinRotation * originalLabelWidth > me.maxHeight) { // go back one step me.labelRotation--; break; } me.labelRotation++; labelWidth = cosRotation * originalLabelWidth; } } } if (me.margins) { me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); } }, afterCalculateTickRotation: function() { helpers.callCallback(this.options.afterCalculateTickRotation, [this]); }, // beforeFit: function() { helpers.callCallback(this.options.beforeFit, [this]); }, fit: function() { var me = this; // Reset var minSize = me.minSize = { width: 0, height: 0 }; var opts = me.options; var globalDefaults = Chart.defaults.global; var tickOpts = opts.ticks; var scaleLabelOpts = opts.scaleLabel; var gridLineOpts = opts.gridLines; var display = opts.display; var isHorizontal = me.isHorizontal(); var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); var scaleLabelFontSize = helpers.getValueOrDefault(scaleLabelOpts.fontSize, globalDefaults.defaultFontSize); var tickMarkLength = opts.gridLines.tickMarkLength; // Width if (isHorizontal) { // subtract the margins to line up with the chartArea if we are a full width scale minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; } else { minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; } // height if (isHorizontal) { minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; } else { minSize.height = me.maxHeight; // fill all the height } // Are we showing a title for the scale? if (scaleLabelOpts.display && display) { if (isHorizontal) { minSize.height += (scaleLabelFontSize * 1.5); } else { minSize.width += (scaleLabelFontSize * 1.5); } } if (tickOpts.display && display) { // Don't bother fitting the ticks if we are not showing them if (!me.longestTextCache) { me.longestTextCache = {}; } var largestTextWidth = helpers.longestText(me.ctx, tickLabelFont, me.ticks, me.longestTextCache); var tallestLabelHeightInLines = helpers.numberOfLabelLines(me.ticks); var lineSpace = tickFontSize * 0.5; if (isHorizontal) { // A horizontal axis is more constrained by the height. me.longestLabelWidth = largestTextWidth; // TODO - improve this calculation var labelHeight = (Math.sin(helpers.toRadians(me.labelRotation)) * me.longestLabelWidth) + (tickFontSize * tallestLabelHeightInLines) + (lineSpace * tallestLabelHeightInLines); minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight); me.ctx.font = tickLabelFont; var firstLabelWidth = me.ctx.measureText(me.ticks[0]).width; var lastLabelWidth = me.ctx.measureText(me.ticks[me.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(me.labelRotation)); var sinRotation = Math.sin(helpers.toRadians(me.labelRotation)); me.paddingLeft = me.labelRotation !== 0 ? (cosRotation * firstLabelWidth) + 3 : firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges me.paddingRight = me.labelRotation !== 0 ? (sinRotation * (tickFontSize / 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 = me.maxWidth - minSize.width; // Account for padding var mirror = tickOpts.mirror; if (!mirror) { largestTextWidth += me.options.ticks.padding; } else { // If mirrored text is on the inside so don't expand largestTextWidth = 0; } if (largestTextWidth < maxLabelWidth) { // We don't need all the room minSize.width += largestTextWidth; } else { // Expand to max size minSize.width = me.maxWidth; } me.paddingTop = tickFontSize / 2; me.paddingBottom = tickFontSize / 2; } } if (me.margins) { me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); } me.width = minSize.width; me.height = minSize.height; }, afterFit: function() { helpers.callCallback(this.options.afterFit, [this]); }, // Shared Methods isHorizontal: function() { return this.options.position === 'top' || this.options.position === 'bottom'; }, isFullWidth: function() { return (this.options.fullWidth); }, // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not getRightValue: function(rawValue) { // Null and undefined values first if (rawValue === null || typeof(rawValue) === 'undefined') { return NaN; } // isNaN(object) returns true, so make sure NaN is checking for a number if (typeof(rawValue) === 'number' && isNaN(rawValue)) { return NaN; } // If it is in fact an object, dive in one more level if (typeof(rawValue) === 'object') { if ((rawValue instanceof Date) || (rawValue.isValid)) { return rawValue; } return this.getRightValue(this.isHorizontal() ? rawValue.x : rawValue.y); } // Value is good, return it return rawValue; }, // Used to get the value to display in the tooltip for the data at the given index // function getLabelForIndex(index, datasetIndex) getLabelForIndex: helpers.noop, // Used to get data value locations. Value can either be an index or a numerical value getPixelForValue: helpers.noop, // Used to get the data value from a given pixel. This is the inverse of getPixelForValue getValueForPixel: helpers.noop, // Used for tick location, should getPixelForTick: function(index, includeOffset) { var me = this; if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var tickWidth = innerWidth / Math.max((me.ticks.length - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var pixel = (tickWidth * index) + me.paddingLeft; if (includeOffset) { pixel += tickWidth / 2; } var finalVal = me.left + Math.round(pixel); finalVal += me.isFullWidth() ? me.margins.left : 0; return finalVal; } var innerHeight = me.height - (me.paddingTop + me.paddingBottom); return me.top + (index * (innerHeight / (me.ticks.length - 1))); }, // Utility for getting the pixel location of a percentage of scale getPixelForDecimal: function(decimal /* , includeOffset*/) { var me = this; if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var valueOffset = (innerWidth * decimal) + me.paddingLeft; var finalVal = me.left + Math.round(valueOffset); finalVal += me.isFullWidth() ? me.margins.left : 0; return finalVal; } return me.top + (decimal * me.height); }, getBasePixel: function() { var me = this; var min = me.min; var max = me.max; return me.getPixelForValue( me.beginAtZero? 0: min < 0 && max < 0? max : min > 0 && max > 0? min : 0); }, // Actualy draw the scale on the canvas // @param {rectangle} chartArea : the area of the chart to draw full grid lines on draw: function(chartArea) { var me = this; var options = me.options; if (!options.display) { return; } var context = me.ctx; var globalDefaults = Chart.defaults.global; var optionTicks = options.ticks; var gridLines = options.gridLines; var scaleLabel = options.scaleLabel; var isRotated = me.labelRotation !== 0; var skipRatio; var useAutoskipper = optionTicks.autoSkip; var isHorizontal = me.isHorizontal(); // figure out the maximum number of gridlines to show var maxTicks; if (optionTicks.maxTicksLimit) { maxTicks = optionTicks.maxTicksLimit; } var tickFontColor = helpers.getValueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor); var tickFontSize = helpers.getValueOrDefault(optionTicks.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(optionTicks.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(optionTicks.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); var tl = gridLines.tickMarkLength; var borderDash = helpers.getValueOrDefault(gridLines.borderDash, globalDefaults.borderDash); var borderDashOffset = helpers.getValueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset); var scaleLabelFontColor = helpers.getValueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor); var scaleLabelFontSize = helpers.getValueOrDefault(scaleLabel.fontSize, globalDefaults.defaultFontSize); var scaleLabelFontStyle = helpers.getValueOrDefault(scaleLabel.fontStyle, globalDefaults.defaultFontStyle); var scaleLabelFontFamily = helpers.getValueOrDefault(scaleLabel.fontFamily, globalDefaults.defaultFontFamily); var scaleLabelFont = helpers.fontString(scaleLabelFontSize, scaleLabelFontStyle, scaleLabelFontFamily); var labelRotationRadians = helpers.toRadians(me.labelRotation); var cosRotation = Math.cos(labelRotationRadians); var longestRotatedLabel = me.longestLabelWidth * cosRotation; // Make sure we draw text in the correct color and font context.fillStyle = tickFontColor; var itemsToDraw = []; if (isHorizontal) { skipRatio = false; // Only calculate the skip ratio with the half width of longestRotateLabel if we got an actual rotation // See #2584 if (isRotated) { longestRotatedLabel /= 2; } if ((longestRotatedLabel + optionTicks.autoSkipPadding) * me.ticks.length > (me.width - (me.paddingLeft + me.paddingRight))) { skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * me.ticks.length) / (me.width - (me.paddingLeft + me.paddingRight))); } // if they defined a max number of optionTicks, // increase skipRatio until that number is met if (maxTicks && me.ticks.length > maxTicks) { while (!skipRatio || me.ticks.length / (skipRatio || 1) > maxTicks) { if (!skipRatio) { skipRatio = 1; } skipRatio += 1; } } if (!useAutoskipper) { skipRatio = false; } } var xTickStart = options.position === 'right' ? me.left : me.right - tl; var xTickEnd = options.position === 'right' ? me.left + tl : me.right; var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl; var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom; helpers.each(me.ticks, function(label, index) { // If the callback returned a null or undefined value, do not draw this line if (label === undefined || label === null) { return; } var isLastTick = me.ticks.length === index + 1; // Since we always show the last tick,we need may need to hide the last shown one before var shouldSkip = (skipRatio > 1 && index % skipRatio > 0) || (index % skipRatio === 0 && index + skipRatio >= me.ticks.length); if (shouldSkip && !isLastTick || (label === undefined || label === null)) { return; } var lineWidth, lineColor; if (index === (typeof me.zeroLineIndex !== 'undefined' ? me.zeroLineIndex : 0)) { // Draw the first index specially lineWidth = gridLines.zeroLineWidth; lineColor = gridLines.zeroLineColor; } else { lineWidth = helpers.getValueAtIndexOrDefault(gridLines.lineWidth, index); lineColor = helpers.getValueAtIndexOrDefault(gridLines.color, index); } // Common properties var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY; var textAlign = 'middle'; var textBaseline = 'middle'; if (isHorizontal) { if (!isRotated) { textBaseline = options.position === 'top' ? 'bottom' : 'top'; } textAlign = isRotated ? 'right' : 'center'; var xLineValue = me.getPixelForTick(index) + helpers.aliasPixel(lineWidth); // xvalues for grid lines labelX = me.getPixelForTick(index, gridLines.offsetGridLines) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option) labelY = (isRotated) ? me.top + 12 : options.position === 'top' ? me.bottom - tl : me.top + tl; tx1 = tx2 = x1 = x2 = xLineValue; ty1 = yTickStart; ty2 = yTickEnd; y1 = chartArea.top; y2 = chartArea.bottom; } else { if (options.position === 'left') { if (optionTicks.mirror) { labelX = me.right + optionTicks.padding; textAlign = 'left'; } else { labelX = me.right - optionTicks.padding; textAlign = 'right'; } // right side } else if (optionTicks.mirror) { labelX = me.left - optionTicks.padding; textAlign = 'right'; } else { labelX = me.left + optionTicks.padding; textAlign = 'left'; } var yLineValue = me.getPixelForTick(index); // xvalues for grid lines yLineValue += helpers.aliasPixel(lineWidth); labelY = me.getPixelForTick(index, gridLines.offsetGridLines); tx1 = xTickStart; tx2 = xTickEnd; x1 = chartArea.left; x2 = chartArea.right; ty1 = ty2 = y1 = y2 = yLineValue; } itemsToDraw.push({ tx1: tx1, ty1: ty1, tx2: tx2, ty2: ty2, x1: x1, y1: y1, x2: x2, y2: y2, labelX: labelX, labelY: labelY, glWidth: lineWidth, glColor: lineColor, glBorderDash: borderDash, glBorderDashOffset: borderDashOffset, rotation: -1 * labelRotationRadians, label: label, textBaseline: textBaseline, textAlign: textAlign }); }); // Draw all of the tick labels, tick marks, and grid lines at the correct places helpers.each(itemsToDraw, function(itemToDraw) { if (gridLines.display) { context.save(); context.lineWidth = itemToDraw.glWidth; context.strokeStyle = itemToDraw.glColor; if (context.setLineDash) { context.setLineDash(itemToDraw.glBorderDash); context.lineDashOffset = itemToDraw.glBorderDashOffset; } context.beginPath(); if (gridLines.drawTicks) { context.moveTo(itemToDraw.tx1, itemToDraw.ty1); context.lineTo(itemToDraw.tx2, itemToDraw.ty2); } if (gridLines.drawOnChartArea) { context.moveTo(itemToDraw.x1, itemToDraw.y1); context.lineTo(itemToDraw.x2, itemToDraw.y2); } context.stroke(); context.restore(); } if (optionTicks.display) { context.save(); context.translate(itemToDraw.labelX, itemToDraw.labelY); context.rotate(itemToDraw.rotation); context.font = tickLabelFont; context.textBaseline = itemToDraw.textBaseline; context.textAlign = itemToDraw.textAlign; var label = itemToDraw.label; if (helpers.isArray(label)) { for (var i = 0, y = -(label.length - 1)*tickFontSize*0.75; i < label.length; ++i) { // We just make sure the multiline element is a string here.. context.fillText('' + label[i], 0, y); // apply same lineSpacing as calculated @ L#320 y += (tickFontSize * 1.5); } } else { context.fillText(label, 0, 0); } context.restore(); } }); if (scaleLabel.display) { // Draw the scale label var scaleLabelX; var scaleLabelY; var rotation = 0; if (isHorizontal) { scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width scaleLabelY = options.position === 'bottom' ? me.bottom - (scaleLabelFontSize / 2) : me.top + (scaleLabelFontSize / 2); } else { var isLeft = options.position === 'left'; scaleLabelX = isLeft ? me.left + (scaleLabelFontSize / 2) : me.right - (scaleLabelFontSize / 2); scaleLabelY = me.top + ((me.bottom - me.top) / 2); rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; } context.save(); context.translate(scaleLabelX, scaleLabelY); context.rotate(rotation); context.textAlign = 'center'; context.textBaseline = 'middle'; context.fillStyle = scaleLabelFontColor; // render in correct colour context.font = scaleLabelFont; context.fillText(scaleLabel.labelString, 0, 0); context.restore(); } if (gridLines.drawBorder) { // Draw the line at the edge of the axis context.lineWidth = helpers.getValueAtIndexOrDefault(gridLines.lineWidth, 0); context.strokeStyle = helpers.getValueAtIndexOrDefault(gridLines.color, 0); var x1 = me.left, x2 = me.right, y1 = me.top, y2 = me.bottom; var aliasPixel = helpers.aliasPixel(context.lineWidth); if (isHorizontal) { y1 = y2 = options.position === 'top' ? me.bottom : me.top; y1 += aliasPixel; y2 += aliasPixel; } else { x1 = x2 = options.position === 'left' ? me.right : me.left; x1 += aliasPixel; x2 += aliasPixel; } context.beginPath(); context.moveTo(x1, y1); context.lineTo(x2, y2); context.stroke(); } } }); }; },{}],32:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.scaleService = { // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then // use the new chart options to grab the correct scale constructors: {}, // Use a registration function so that we can move to an ES6 map when we no longer need to support // old browsers // Scale config defaults defaults: {}, registerScaleType: function(type, scaleConstructor, defaults) { this.constructors[type] = scaleConstructor; this.defaults[type] = helpers.clone(defaults); }, getScaleConstructor: function(type) { return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined; }, getScaleDefaults: function(type) { // Return the scale defaults merged with the global settings so that we always use the latest ones return this.defaults.hasOwnProperty(type) ? helpers.scaleMerge(Chart.defaults.scale, this.defaults[type]) : {}; }, updateScaleDefaults: function(type, additions) { var defaults = this.defaults; if (defaults.hasOwnProperty(type)) { defaults[type] = helpers.extend(defaults[type], additions); } }, addScalesToLayout: function(chartInstance) { // Adds each scale to the chart.boxes array to be sized accordingly helpers.each(chartInstance.scales, function(scale) { Chart.layoutService.addBox(chartInstance, scale); }); } }; }; },{}],33:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.global.title = { display: false, position: 'top', fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes) fontStyle: 'bold', padding: 10, // actual title text: '' }; var noop = helpers.noop; Chart.Title = Chart.Element.extend({ initialize: function(config) { var me = this; helpers.extend(me, config); me.options = helpers.configMerge(Chart.defaults.global.title, config.options); // Contains hit boxes for each dataset (in dataset order) me.legendHitBoxes = []; }, // These methods are ordered by lifecyle. Utilities then follow. beforeUpdate: function() { var chartOpts = this.chart.options; if (chartOpts && chartOpts.title) { this.options = helpers.configMerge(Chart.defaults.global.title, chartOpts.title); } }, update: function(maxWidth, maxHeight, margins) { var me = this; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = margins; // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Labels me.beforeBuildLabels(); me.buildLabels(); me.afterBuildLabels(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; // Reset minSize me.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: noop, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var me = this, valueOrDefault = helpers.getValueOrDefault, opts = me.options, globalDefaults = Chart.defaults.global, display = opts.display, fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize), minSize = me.minSize; if (me.isHorizontal()) { minSize.width = me.maxWidth; // fill all the width minSize.height = display ? fontSize + (opts.padding * 2) : 0; } else { minSize.width = display ? fontSize + (opts.padding * 2) : 0; minSize.height = me.maxHeight; // fill all the height } me.width = minSize.width; me.height = minSize.height; }, afterFit: noop, // Shared Methods isHorizontal: function() { var pos = this.options.position; return pos === 'top' || pos === 'bottom'; }, // Actualy draw the title block on the canvas draw: function() { var me = this, ctx = me.ctx, valueOrDefault = helpers.getValueOrDefault, opts = me.options, globalDefaults = Chart.defaults.global; if (opts.display) { var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize), fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle), fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily), titleFont = helpers.fontString(fontSize, fontStyle, fontFamily), rotation = 0, titleX, titleY, top = me.top, left = me.left, bottom = me.bottom, right = me.right; ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour ctx.font = titleFont; // Horizontal if (me.isHorizontal()) { titleX = left + ((right - left) / 2); // midpoint of the width titleY = top + ((bottom - top) / 2); // midpoint of the height } else { titleX = opts.position === 'left' ? left + (fontSize / 2) : right - (fontSize / 2); titleY = top + ((bottom - top) / 2); rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); } ctx.save(); ctx.translate(titleX, titleY); ctx.rotate(rotation); ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.fillText(opts.text, 0, 0); ctx.restore(); } } }); // Register the title plugin Chart.plugins.register({ beforeInit: function(chartInstance) { var opts = chartInstance.options; var titleOpts = opts.title; if (titleOpts) { chartInstance.titleBlock = new Chart.Title({ ctx: chartInstance.chart.ctx, options: titleOpts, chart: chartInstance }); Chart.layoutService.addBox(chartInstance, chartInstance.titleBlock); } } }); }; },{}],34:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.global.tooltips = { enabled: true, custom: null, mode: 'single', backgroundColor: 'rgba(0,0,0,0.8)', titleFontStyle: 'bold', titleSpacing: 2, titleMarginBottom: 6, titleFontColor: '#fff', titleAlign: 'left', bodySpacing: 2, bodyFontColor: '#fff', bodyAlign: 'left', footerFontStyle: 'bold', footerSpacing: 2, footerMarginTop: 6, footerFontColor: '#fff', footerAlign: 'left', yPadding: 6, xPadding: 6, yAlign: 'center', xAlign: 'center', caretSize: 5, cornerRadius: 6, multiKeyBackground: '#fff', callbacks: { // Args are: (tooltipItems, data) beforeTitle: helpers.noop, title: function(tooltipItems, data) { // Pick first xLabel for now var title = ''; var labels = data.labels; var labelCount = labels ? labels.length : 0; if (tooltipItems.length > 0) { var item = tooltipItems[0]; if (item.xLabel) { title = item.xLabel; } else if (labelCount > 0 && item.index < labelCount) { title = labels[item.index]; } } return title; }, afterTitle: helpers.noop, // Args are: (tooltipItems, data) beforeBody: helpers.noop, // Args are: (tooltipItem, data) beforeLabel: helpers.noop, label: function(tooltipItem, data) { var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; return datasetLabel + ': ' + tooltipItem.yLabel; }, labelColor: function(tooltipItem, chartInstance) { var meta = chartInstance.getDatasetMeta(tooltipItem.datasetIndex); var activeElement = meta.data[tooltipItem.index]; var view = activeElement._view; return { borderColor: view.borderColor, backgroundColor: view.backgroundColor }; }, afterLabel: helpers.noop, // Args are: (tooltipItems, data) afterBody: helpers.noop, // Args are: (tooltipItems, data) beforeFooter: helpers.noop, footer: helpers.noop, afterFooter: helpers.noop } }; // Helper to push or concat based on if the 2nd parameter is an array or not function pushOrConcat(base, toPush) { if (toPush) { if (helpers.isArray(toPush)) { // base = base.concat(toPush); Array.prototype.push.apply(base, toPush); } else { base.push(toPush); } } return base; } function getAveragePosition(elements) { if (!elements.length) { return false; } var i, len; var xPositions = []; var yPositions = []; for (i = 0, len = elements.length; i < len; ++i) { var el = elements[i]; if (el && el.hasValue()) { var pos = el.tooltipPosition(); xPositions.push(pos.x); yPositions.push(pos.y); } } var x = 0, y = 0; for (i = 0; i < xPositions.length; ++i) { if (xPositions[i]) { x += xPositions[i]; y += yPositions[i]; } } return { x: Math.round(x / xPositions.length), y: Math.round(y / xPositions.length) }; } // Private helper to create a tooltip iteam model // @param element : the chart element (point, arc, bar) to create the tooltip item for // @return : new tooltip item function createTooltipItem(element) { var xScale = element._xScale; var yScale = element._yScale || element._scale; // handle radar || polarArea charts var index = element._index, datasetIndex = element._datasetIndex; return { xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', index: index, datasetIndex: datasetIndex }; } Chart.Tooltip = Chart.Element.extend({ initialize: function() { var me = this; var globalDefaults = Chart.defaults.global; var tooltipOpts = me._options; var getValueOrDefault = helpers.getValueOrDefault; helpers.extend(me, { _model: { // Positioning xPadding: tooltipOpts.xPadding, yPadding: tooltipOpts.yPadding, xAlign: tooltipOpts.xAlign, yAlign: tooltipOpts.yAlign, // Body bodyFontColor: tooltipOpts.bodyFontColor, _bodyFontFamily: getValueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), _bodyFontStyle: getValueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), _bodyAlign: tooltipOpts.bodyAlign, bodyFontSize: getValueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), bodySpacing: tooltipOpts.bodySpacing, // Title titleFontColor: tooltipOpts.titleFontColor, _titleFontFamily: getValueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), _titleFontStyle: getValueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), titleFontSize: getValueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), _titleAlign: tooltipOpts.titleAlign, titleSpacing: tooltipOpts.titleSpacing, titleMarginBottom: tooltipOpts.titleMarginBottom, // Footer footerFontColor: tooltipOpts.footerFontColor, _footerFontFamily: getValueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), _footerFontStyle: getValueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), footerFontSize: getValueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), _footerAlign: tooltipOpts.footerAlign, footerSpacing: tooltipOpts.footerSpacing, footerMarginTop: tooltipOpts.footerMarginTop, // Appearance caretSize: tooltipOpts.caretSize, cornerRadius: tooltipOpts.cornerRadius, backgroundColor: tooltipOpts.backgroundColor, opacity: 0, legendColorBackground: tooltipOpts.multiKeyBackground } }); }, // Get the title // Args are: (tooltipItem, data) getTitle: function() { var me = this; var opts = me._options; var callbacks = opts.callbacks; var beforeTitle = callbacks.beforeTitle.apply(me, arguments), title = callbacks.title.apply(me, arguments), afterTitle = callbacks.afterTitle.apply(me, arguments); var lines = []; lines = pushOrConcat(lines, beforeTitle); lines = pushOrConcat(lines, title); lines = pushOrConcat(lines, afterTitle); return lines; }, // Args are: (tooltipItem, data) getBeforeBody: function() { var lines = this._options.callbacks.beforeBody.apply(this, arguments); return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; }, // Args are: (tooltipItem, data) getBody: function(tooltipItems, data) { var me = this; var callbacks = me._options.callbacks; var bodyItems = []; helpers.each(tooltipItems, function(tooltipItem) { var bodyItem = { before: [], lines: [], after: [] }; pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data)); pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data)); bodyItems.push(bodyItem); }); return bodyItems; }, // Args are: (tooltipItem, data) getAfterBody: function() { var lines = this._options.callbacks.afterBody.apply(this, arguments); return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; }, // Get the footer and beforeFooter and afterFooter lines // Args are: (tooltipItem, data) getFooter: function() { var me = this; var callbacks = me._options.callbacks; var beforeFooter = callbacks.beforeFooter.apply(me, arguments); var footer = callbacks.footer.apply(me, arguments); var afterFooter = callbacks.afterFooter.apply(me, arguments); var lines = []; lines = pushOrConcat(lines, beforeFooter); lines = pushOrConcat(lines, footer); lines = pushOrConcat(lines, afterFooter); return lines; }, update: function(changed) { var me = this; var opts = me._options; var model = me._model; var active = me._active; var data = me._data; var chartInstance = me._chartInstance; var i, len; if (active.length) { model.opacity = 1; var labelColors = [], tooltipPosition = getAveragePosition(active); var tooltipItems = []; for (i = 0, len = active.length; i < len; ++i) { tooltipItems.push(createTooltipItem(active[i])); } // If the user provided a sorting function, use it to modify the tooltip items if (opts.itemSort) { tooltipItems = tooltipItems.sort(function(a, b) { return opts.itemSort(a, b, data); }); } // If there is more than one item, show color items if (active.length > 1) { helpers.each(tooltipItems, function(tooltipItem) { labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, chartInstance)); }); } // Build the Text Lines helpers.extend(model, { title: me.getTitle(tooltipItems, data), beforeBody: me.getBeforeBody(tooltipItems, data), body: me.getBody(tooltipItems, data), afterBody: me.getAfterBody(tooltipItems, data), footer: me.getFooter(tooltipItems, data), x: Math.round(tooltipPosition.x), y: Math.round(tooltipPosition.y), caretPadding: helpers.getValueOrDefault(tooltipPosition.padding, 2), labelColors: labelColors }); // We need to determine alignment of var tooltipSize = me.getTooltipSize(model); me.determineAlignment(tooltipSize); // Smart Tooltip placement to stay on the canvas helpers.extend(model, me.getBackgroundPoint(model, tooltipSize)); } else { me._model.opacity = 0; } if (changed && opts.custom) { opts.custom.call(me, model); } return me; }, getTooltipSize: function(vm) { var ctx = this._chart.ctx; var size = { height: vm.yPadding * 2, // Tooltip Padding width: 0 }; // Count of all lines in the body var body = vm.body; var combinedBodyLength = body.reduce(function(count, bodyItem) { return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; }, 0); combinedBodyLength += vm.beforeBody.length + vm.afterBody.length; var titleLineCount = vm.title.length; var footerLineCount = vm.footer.length; var titleFontSize = vm.titleFontSize, bodyFontSize = vm.bodyFontSize, footerFontSize = vm.footerFontSize; size.height += titleLineCount * titleFontSize; // Title Lines size.height += (titleLineCount - 1) * vm.titleSpacing; // Title Line Spacing size.height += titleLineCount ? vm.titleMarginBottom : 0; // Title's bottom Margin size.height += combinedBodyLength * bodyFontSize; // Body Lines size.height += combinedBodyLength ? (combinedBodyLength - 1) * vm.bodySpacing : 0; // Body Line Spacing size.height += footerLineCount ? vm.footerMarginTop : 0; // Footer Margin size.height += footerLineCount * (footerFontSize); // Footer Lines size.height += footerLineCount ? (footerLineCount - 1) * vm.footerSpacing : 0; // Footer Line Spacing // Title width var widthPadding = 0; var maxLineWidth = function(line) { size.width = Math.max(size.width, ctx.measureText(line).width + widthPadding); }; ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); helpers.each(vm.title, maxLineWidth); // Body width ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); helpers.each(vm.beforeBody.concat(vm.afterBody), maxLineWidth); // Body lines may include some extra width due to the color box widthPadding = body.length > 1 ? (bodyFontSize + 2) : 0; helpers.each(body, function(bodyItem) { helpers.each(bodyItem.before, maxLineWidth); helpers.each(bodyItem.lines, maxLineWidth); helpers.each(bodyItem.after, maxLineWidth); }); // Reset back to 0 widthPadding = 0; // Footer width ctx.font = helpers.fontString(footerFontSize, vm._footerFontStyle, vm._footerFontFamily); helpers.each(vm.footer, maxLineWidth); // Add padding size.width += 2 * vm.xPadding; return size; }, determineAlignment: function(size) { var me = this; var model = me._model; var chart = me._chart; var chartArea = me._chartInstance.chartArea; if (model.y < size.height) { model.yAlign = 'top'; } else if (model.y > (chart.height - size.height)) { model.yAlign = 'bottom'; } var lf, rf; // functions to determine left, right alignment var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges var midX = (chartArea.left + chartArea.right) / 2; var midY = (chartArea.top + chartArea.bottom) / 2; if (model.yAlign === 'center') { lf = function(x) { return x <= midX; }; rf = function(x) { return x > midX; }; } else { lf = function(x) { return x <= (size.width / 2); }; rf = function(x) { return x >= (chart.width - (size.width / 2)); }; } olf = function(x) { return x + size.width > chart.width; }; orf = function(x) { return x - size.width < 0; }; yf = function(y) { return y <= midY ? 'top' : 'bottom'; }; if (lf(model.x)) { model.xAlign = 'left'; // Is tooltip too wide and goes over the right side of the chart.? if (olf(model.x)) { model.xAlign = 'center'; model.yAlign = yf(model.y); } } else if (rf(model.x)) { model.xAlign = 'right'; // Is tooltip too wide and goes outside left edge of canvas? if (orf(model.x)) { model.xAlign = 'center'; model.yAlign = yf(model.y); } } }, getBackgroundPoint: function(vm, size) { // Background Position var pt = { x: vm.x, y: vm.y }; var caretSize = vm.caretSize, caretPadding = vm.caretPadding, cornerRadius = vm.cornerRadius, xAlign = vm.xAlign, yAlign = vm.yAlign, paddingAndSize = caretSize + caretPadding, radiusAndPadding = cornerRadius + caretPadding; if (xAlign === 'right') { pt.x -= size.width; } else if (xAlign === 'center') { pt.x -= (size.width / 2); } if (yAlign === 'top') { pt.y += paddingAndSize; } else if (yAlign === 'bottom') { pt.y -= size.height + paddingAndSize; } else { pt.y -= (size.height / 2); } if (yAlign === 'center') { if (xAlign === 'left') { pt.x += paddingAndSize; } else if (xAlign === 'right') { pt.x -= paddingAndSize; } } else if (xAlign === 'left') { pt.x -= radiusAndPadding; } else if (xAlign === 'right') { pt.x += radiusAndPadding; } return pt; }, drawCaret: function(tooltipPoint, size, opacity) { var vm = this._view; var ctx = this._chart.ctx; var x1, x2, x3; var y1, y2, y3; var caretSize = vm.caretSize; var cornerRadius = vm.cornerRadius; var xAlign = vm.xAlign, yAlign = vm.yAlign; var ptX = tooltipPoint.x, ptY = tooltipPoint.y; var width = size.width, height = size.height; if (yAlign === 'center') { // Left or right side if (xAlign === 'left') { x1 = ptX; x2 = x1 - caretSize; x3 = x1; } else { x1 = ptX + width; x2 = x1 + caretSize; x3 = x1; } y2 = ptY + (height / 2); y1 = y2 - caretSize; y3 = y2 + caretSize; } else { if (xAlign === 'left') { x1 = ptX + cornerRadius; x2 = x1 + caretSize; x3 = x2 + caretSize; } else if (xAlign === 'right') { x1 = ptX + width - cornerRadius; x2 = x1 - caretSize; x3 = x2 - caretSize; } else { x2 = ptX + (width / 2); x1 = x2 - caretSize; x3 = x2 + caretSize; } if (yAlign === 'top') { y1 = ptY; y2 = y1 - caretSize; y3 = y1; } else { y1 = ptY + height; y2 = y1 + caretSize; y3 = y1; } } var bgColor = helpers.color(vm.backgroundColor); ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString(); ctx.beginPath(); ctx.moveTo(x1, y1); ctx.lineTo(x2, y2); ctx.lineTo(x3, y3); ctx.closePath(); ctx.fill(); }, drawTitle: function(pt, vm, ctx, opacity) { var title = vm.title; if (title.length) { ctx.textAlign = vm._titleAlign; ctx.textBaseline = 'top'; var titleFontSize = vm.titleFontSize, titleSpacing = vm.titleSpacing; var titleFontColor = helpers.color(vm.titleFontColor); ctx.fillStyle = titleFontColor.alpha(opacity * titleFontColor.alpha()).rgbString(); ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); var i, len; for (i = 0, len = title.length; i < len; ++i) { ctx.fillText(title[i], pt.x, pt.y); pt.y += titleFontSize + titleSpacing; // Line Height and spacing if (i + 1 === title.length) { pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing } } } }, drawBody: function(pt, vm, ctx, opacity) { var bodyFontSize = vm.bodyFontSize; var bodySpacing = vm.bodySpacing; var body = vm.body; ctx.textAlign = vm._bodyAlign; ctx.textBaseline = 'top'; var bodyFontColor = helpers.color(vm.bodyFontColor); var textColor = bodyFontColor.alpha(opacity * bodyFontColor.alpha()).rgbString(); ctx.fillStyle = textColor; ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); // Before Body var xLinePadding = 0; var fillLineOfText = function(line) { ctx.fillText(line, pt.x + xLinePadding, pt.y); pt.y += bodyFontSize + bodySpacing; }; // Before body lines helpers.each(vm.beforeBody, fillLineOfText); var drawColorBoxes = body.length > 1; xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0; // Draw body lines now helpers.each(body, function(bodyItem, i) { helpers.each(bodyItem.before, fillLineOfText); helpers.each(bodyItem.lines, function(line) { // Draw Legend-like boxes if needed if (drawColorBoxes) { // Fill a white rect so that colours merge nicely if the opacity is < 1 ctx.fillStyle = helpers.color(vm.legendColorBackground).alpha(opacity).rgbaString(); ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize); // Border ctx.strokeStyle = helpers.color(vm.labelColors[i].borderColor).alpha(opacity).rgbaString(); ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize); // Inner square ctx.fillStyle = helpers.color(vm.labelColors[i].backgroundColor).alpha(opacity).rgbaString(); ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); ctx.fillStyle = textColor; } fillLineOfText(line); }); helpers.each(bodyItem.after, fillLineOfText); }); // Reset back to 0 for after body xLinePadding = 0; // After body lines helpers.each(vm.afterBody, fillLineOfText); pt.y -= bodySpacing; // Remove last body spacing }, drawFooter: function(pt, vm, ctx, opacity) { var footer = vm.footer; if (footer.length) { pt.y += vm.footerMarginTop; ctx.textAlign = vm._footerAlign; ctx.textBaseline = 'top'; var footerFontColor = helpers.color(vm.footerFontColor); ctx.fillStyle = footerFontColor.alpha(opacity * footerFontColor.alpha()).rgbString(); ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); helpers.each(footer, function(line) { ctx.fillText(line, pt.x, pt.y); pt.y += vm.footerFontSize + vm.footerSpacing; }); } }, draw: function() { var ctx = this._chart.ctx; var vm = this._view; if (vm.opacity === 0) { return; } var tooltipSize = this.getTooltipSize(vm); var pt = { x: vm.x, y: vm.y }; // IE11/Edge does not like very small opacities, so snap to 0 var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; if (this._options.enabled) { // Draw Background var bgColor = helpers.color(vm.backgroundColor); ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString(); helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius); ctx.fill(); // Draw Caret this.drawCaret(pt, tooltipSize, opacity); // Draw Title, Body, and Footer pt.x += vm.xPadding; pt.y += vm.yPadding; // Titles this.drawTitle(pt, vm, ctx, opacity); // Body this.drawBody(pt, vm, ctx, opacity); // Footer this.drawFooter(pt, vm, ctx, opacity); } } }); }; },{}],35:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers, globalOpts = Chart.defaults.global; globalOpts.elements.arc = { backgroundColor: globalOpts.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)); } return false; }, inRange: function(chartX, chartY) { var vm = this._view; if (vm) { var pointRelativePosition = helpers.getAngleFromPoint(vm, { x: chartX, y: chartY }), angle = pointRelativePosition.angle, distance = pointRelativePosition.distance; // Sanitise angle range var startAngle = vm.startAngle; var endAngle = vm.endAngle; while (endAngle < startAngle) { endAngle += 2.0 * Math.PI; } while (angle > endAngle) { angle -= 2.0 * Math.PI; } while (angle < startAngle) { angle += 2.0 * Math.PI; } // Check if within the range of the open/close angle var betweenAngles = (angle >= startAngle && angle <= endAngle), withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); return (betweenAngles && withinRadius); } 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, vm = this._view, sA = vm.startAngle, eA = vm.endAngle; ctx.beginPath(); ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, 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(); } } }); }; },{}],36:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var globalDefaults = Chart.defaults.global; Chart.defaults.global.elements.line = { tension: 0.4, backgroundColor: globalDefaults.defaultColor, borderWidth: 3, borderColor: globalDefaults.defaultColor, borderCapStyle: 'butt', borderDash: [], borderDashOffset: 0.0, borderJoinStyle: 'miter', capBezierPoints: true, fill: true // do we fill in the area between the line and its base axis }; Chart.elements.Line = Chart.Element.extend({ draw: function() { var me = this; var vm = me._view; var spanGaps = vm.spanGaps; var scaleZero = vm.scaleZero; var loop = me._loop; var ctx = me._chart.ctx; ctx.save(); // Helper function to draw a line to a point function lineToPoint(previousPoint, point) { var pointVM = point._view; if (point._view.steppedLine === true) { ctx.lineTo(pointVM.x, previousPoint._view.y); ctx.lineTo(pointVM.x, pointVM.y); } else if (point._view.tension === 0) { ctx.lineTo(pointVM.x, pointVM.y); } else { ctx.bezierCurveTo( previousPoint._view.controlPointNextX, previousPoint._view.controlPointNextY, pointVM.controlPointPreviousX, pointVM.controlPointPreviousY, pointVM.x, pointVM.y ); } } var points = me._children.slice(); // clone array var lastDrawnIndex = -1; // If we are looping, adding the first point again if (loop && points.length) { points.push(points[0]); } var index, current, previous, currentVM; // Fill Line if (points.length && vm.fill) { ctx.beginPath(); for (index = 0; index < points.length; ++index) { current = points[index]; previous = helpers.previousItem(points, index); currentVM = current._view; // First point moves to it's starting position no matter what if (index === 0) { if (loop) { ctx.moveTo(scaleZero.x, scaleZero.y); } else { ctx.moveTo(currentVM.x, scaleZero); } if (!currentVM.skip) { lastDrawnIndex = index; ctx.lineTo(currentVM.x, currentVM.y); } } else { previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; if (currentVM.skip) { // Only do this if this is the first point that is skipped if (!spanGaps && lastDrawnIndex === (index - 1)) { if (loop) { ctx.lineTo(scaleZero.x, scaleZero.y); } else { ctx.lineTo(previous._view.x, scaleZero); } } } else { if (lastDrawnIndex !== (index - 1)) { // There was a gap and this is the first point after the gap. If we've never drawn a point, this is a special case. // If the first data point is NaN, then there is no real gap to skip if (spanGaps && lastDrawnIndex !== -1) { // We are spanning the gap, so simple draw a line to this point lineToPoint(previous, current); } else if (loop) { ctx.lineTo(currentVM.x, currentVM.y); } else { ctx.lineTo(currentVM.x, scaleZero); ctx.lineTo(currentVM.x, currentVM.y); } } else { // Line to next point lineToPoint(previous, current); } lastDrawnIndex = index; } } } if (!loop && lastDrawnIndex !== -1) { ctx.lineTo(points[lastDrawnIndex]._view.x, scaleZero); } ctx.fillStyle = vm.backgroundColor || globalDefaults.defaultColor; ctx.closePath(); ctx.fill(); } // Stroke Line Options var globalOptionLineElements = globalDefaults.elements.line; ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; // IE 9 and 10 do not support line dash if (ctx.setLineDash) { ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); } ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset; ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth; ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; // Stroke Line ctx.beginPath(); lastDrawnIndex = -1; for (index = 0; index < points.length; ++index) { current = points[index]; previous = helpers.previousItem(points, index); currentVM = current._view; // First point moves to it's starting position no matter what if (index === 0) { if (!currentVM.skip) { ctx.moveTo(currentVM.x, currentVM.y); lastDrawnIndex = index; } } else { previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; if (!currentVM.skip) { if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { // There was a gap and this is the first point after the gap ctx.moveTo(currentVM.x, currentVM.y); } else { // Line to next point lineToPoint(previous, current); } lastDrawnIndex = index; } } } ctx.stroke(); ctx.restore(); } }); }; },{}],37:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers, globalOpts = Chart.defaults.global, defaultColor = globalOpts.defaultColor; globalOpts.elements.point = { radius: 3, pointStyle: 'circle', backgroundColor: defaultColor, borderWidth: 1, borderColor: defaultColor, // Hover hitRadius: 1, hoverRadius: 4, hoverBorderWidth: 1 }; Chart.elements.Point = Chart.Element.extend({ inRange: function(mouseX, mouseY) { var vm = this._view; return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; }, inLabelRange: function(mouseX) { var vm = this._view; return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : 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; var pointStyle = vm.pointStyle; var radius = vm.radius; var x = vm.x; var y = vm.y; if (vm.skip) { return; } ctx.strokeStyle = vm.borderColor || defaultColor; ctx.lineWidth = helpers.getValueOrDefault(vm.borderWidth, globalOpts.elements.point.borderWidth); ctx.fillStyle = vm.backgroundColor || defaultColor; Chart.canvasHelpers.drawPoint(ctx, pointStyle, radius, x, y); } }); }; },{}],38:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var globalOpts = Chart.defaults.global; globalOpts.elements.rectangle = { backgroundColor: globalOpts.defaultColor, borderWidth: 0, borderColor: globalOpts.defaultColor, borderSkipped: 'bottom' }; 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; // Corner points, from bottom-left to bottom-right clockwise // | 1 2 | // | 0 3 | var corners = [ [leftX, vm.base], [leftX, top], [rightX, top], [rightX, vm.base] ]; // Find first (starting) corner with fallback to 'bottom' var borders = ['bottom', 'left', 'top', 'right']; var startCorner = borders.indexOf(vm.borderSkipped, 0); if (startCorner === -1) { startCorner = 0; } function cornerAt(index) { return corners[(startCorner + index) % 4]; } // Draw rectangle from 'startCorner' ctx.moveTo.apply(ctx, cornerAt(0)); for (var i = 1; i < 4; i++) { ctx.lineTo.apply(ctx, cornerAt(i)); } 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; return vm ? (vm.y < vm.base ? (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.y && mouseY <= vm.base) : (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.base && mouseY <= vm.y)) : false; }, inLabelRange: function(mouseX) { var vm = this._view; return vm ? (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) : false; }, tooltipPosition: function() { var vm = this._view; return { x: vm.x, y: vm.y }; } }); }; },{}],39:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; // Default config for a category scale var defaultConfig = { position: 'bottom' }; var DatasetScale = Chart.Scale.extend({ /** * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use tose * else fall back to data.labels * @private */ getLabels: function() { var data = this.chart.data; return (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; }, // Implement this so that determineDataLimits: function() { var me = this; var labels = me.getLabels(); me.minIndex = 0; me.maxIndex = labels.length - 1; var findIndex; if (me.options.ticks.min !== undefined) { // user specified min value findIndex = helpers.indexOf(labels, me.options.ticks.min); me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; } if (me.options.ticks.max !== undefined) { // user specified max value findIndex = helpers.indexOf(labels, me.options.ticks.max); me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; } me.min = labels[me.minIndex]; me.max = labels[me.maxIndex]; }, buildTicks: function() { var me = this; var labels = me.getLabels(); // If we are viewing some subset of labels, slice the original array me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); }, getLabelForIndex: function(index, datasetIndex) { var me = this; var data = me.chart.data; var isHorizontal = me.isHorizontal(); if ((data.xLabels && isHorizontal) || (data.yLabels && !isHorizontal)) { return me.getRightValue(data.datasets[datasetIndex].data[index]); } return me.ticks[index]; }, // Used to get data value locations. Value can either be an index or a numerical value getPixelForValue: function(value, index, datasetIndex, includeOffset) { var me = this; // 1 is added because we need the length but we have the indexes var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); if (value !== undefined && isNaN(index)) { var labels = me.getLabels(); var idx = labels.indexOf(value); index = idx !== -1 ? idx : index; } if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var valueWidth = innerWidth / offsetAmt; var widthOffset = (valueWidth * (index - me.minIndex)) + me.paddingLeft; if (me.options.gridLines.offsetGridLines && includeOffset || me.maxIndex === me.minIndex && includeOffset) { widthOffset += (valueWidth / 2); } return me.left + Math.round(widthOffset); } var innerHeight = me.height - (me.paddingTop + me.paddingBottom); var valueHeight = innerHeight / offsetAmt; var heightOffset = (valueHeight * (index - me.minIndex)) + me.paddingTop; if (me.options.gridLines.offsetGridLines && includeOffset) { heightOffset += (valueHeight / 2); } return me.top + Math.round(heightOffset); }, getPixelForTick: function(index, includeOffset) { return this.getPixelForValue(this.ticks[index], index + this.minIndex, null, includeOffset); }, getValueForPixel: function(pixel) { var me = this; var value; var offsetAmt = Math.max((me.ticks.length - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var horz = me.isHorizontal(); var innerDimension = horz ? me.width - (me.paddingLeft + me.paddingRight) : me.height - (me.paddingTop + me.paddingBottom); var valueDimension = innerDimension / offsetAmt; pixel -= horz ? me.left : me.top; if (me.options.gridLines.offsetGridLines) { pixel -= (valueDimension / 2); } pixel -= horz ? me.paddingLeft : me.paddingTop; if (pixel <= 0) { value = 0; } else { value = Math.round(pixel / valueDimension); } return value; }, getBasePixel: function() { return this.bottom; } }); Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig); }; },{}],40:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var defaultConfig = { position: 'left', ticks: { callback: function(tickValue, index, ticks) { // If we have lots of ticks, don't use the ones var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; // If we have a number like 2.5 as the delta, figure out how many decimal places we need if (Math.abs(delta) > 1) { if (tickValue !== Math.floor(tickValue)) { // not an integer delta = tickValue - Math.floor(tickValue); } } var logDelta = helpers.log10(Math.abs(delta)); var tickString = ''; if (tickValue !== 0) { var numDecimal = -1 * Math.floor(logDelta); numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places tickString = tickValue.toFixed(numDecimal); } else { tickString = '0'; // never show decimal places for 0 } return tickString; } } }; var LinearScale = Chart.LinearScaleBase.extend({ determineDataLimits: function() { var me = this; var opts = me.options; var chart = me.chart; var data = chart.data; var datasets = data.datasets; var isHorizontal = me.isHorizontal(); function IDMatches(meta) { return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; } // First Calculate the range me.min = null; me.max = null; if (opts.stacked) { var valuesPerType = {}; helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (valuesPerType[meta.type] === undefined) { valuesPerType[meta.type] = { positiveValues: [], negativeValues: [] }; } // Store these per type var positiveValues = valuesPerType[meta.type].positiveValues; var negativeValues = valuesPerType[meta.type].negativeValues; if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } positiveValues[index] = positiveValues[index] || 0; negativeValues[index] = negativeValues[index] || 0; if (opts.relativePoints) { positiveValues[index] = 100; } else if (value < 0) { negativeValues[index] += value; } else { positiveValues[index] += value; } }); } }); helpers.each(valuesPerType, function(valuesForType) { var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); var minVal = helpers.min(values); var maxVal = helpers.max(values); me.min = me.min === null ? minVal : Math.min(me.min, minVal); me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); }); } else { helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (me.min === null) { me.min = value; } else if (value < me.min) { me.min = value; } if (me.max === null) { me.max = value; } else if (value > me.max) { me.max = value; } }); } }); } // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero this.handleTickRangeOptions(); }, getTickLimit: function() { var maxTicks; var me = this; var tickOpts = me.options.ticks; if (me.isHorizontal()) { maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50)); } else { // The factor of 2 used to scale the font size has been experimentally determined. var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, Chart.defaults.global.defaultFontSize); maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize))); } return maxTicks; }, // Called after the ticks are built. We need handleDirectionalChanges: function() { if (!this.isHorizontal()) { // We are in a vertical orientation. The top value is the highest. So reverse the array this.ticks.reverse(); } }, getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, // Utils getPixelForValue: function(value) { // This must be called after fit has been run so that // this.left, this.top, this.right, and this.bottom have been defined var me = this; var paddingLeft = me.paddingLeft; var paddingBottom = me.paddingBottom; var start = me.start; var rightValue = +me.getRightValue(value); var pixel; var innerDimension; var range = me.end - start; if (me.isHorizontal()) { innerDimension = me.width - (paddingLeft + me.paddingRight); pixel = me.left + (innerDimension / range * (rightValue - start)); return Math.round(pixel + paddingLeft); } innerDimension = me.height - (me.paddingTop + paddingBottom); pixel = (me.bottom - paddingBottom) - (innerDimension / range * (rightValue - start)); return Math.round(pixel); }, getValueForPixel: function(pixel) { var me = this; var isHorizontal = me.isHorizontal(); var paddingLeft = me.paddingLeft; var paddingBottom = me.paddingBottom; var innerDimension = isHorizontal ? me.width - (paddingLeft + me.paddingRight) : me.height - (me.paddingTop + paddingBottom); var offset = (isHorizontal ? pixel - me.left - paddingLeft : me.bottom - paddingBottom - pixel) / innerDimension; return me.start + ((me.end - me.start) * offset); }, getPixelForTick: function(index) { return this.getPixelForValue(this.ticksAsNumbers[index]); } }); Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig); }; },{}],41:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers, noop = helpers.noop; Chart.LinearScaleBase = Chart.Scale.extend({ handleTickRangeOptions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // 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 (tickOpts.beginAtZero) { var minSign = helpers.sign(me.min); var maxSign = helpers.sign(me.max); if (minSign < 0 && maxSign < 0) { // move the top up to 0 me.max = 0; } else if (minSign > 0 && maxSign > 0) { // move the botttom down to 0 me.min = 0; } } if (tickOpts.min !== undefined) { me.min = tickOpts.min; } else if (tickOpts.suggestedMin !== undefined) { me.min = Math.min(me.min, tickOpts.suggestedMin); } if (tickOpts.max !== undefined) { me.max = tickOpts.max; } else if (tickOpts.suggestedMax !== undefined) { me.max = Math.max(me.max, tickOpts.suggestedMax); } if (me.min === me.max) { me.max++; if (!tickOpts.beginAtZero) { me.min--; } } }, getTickLimit: noop, handleDirectionalChanges: noop, buildTicks: function() { var me = this; var opts = me.options; var ticks = me.ticks = []; var tickOpts = opts.ticks; var getValueOrDefault = helpers.getValueOrDefault; // 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 = me.getTickLimit(); // Make sure we always have at least 2 ticks maxTicks = Math.max(2, maxTicks); // To get a "nice" value for the tick spacing, we will use the appropriately named // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks // for details. var spacing; var fixedStepSizeSet = (tickOpts.fixedStepSize && tickOpts.fixedStepSize > 0) || (tickOpts.stepSize && tickOpts.stepSize > 0); if (fixedStepSizeSet) { spacing = getValueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize); } else { var niceRange = helpers.niceNum(me.max - me.min, false); spacing = helpers.niceNum(niceRange / (maxTicks - 1), true); } var niceMin = Math.floor(me.min / spacing) * spacing; var niceMax = Math.ceil(me.max / spacing) * spacing; var numSpaces = (niceMax - niceMin) / spacing; // If very close to our rounded value, use it. if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { numSpaces = Math.round(numSpaces); } else { numSpaces = Math.ceil(numSpaces); } // Put the values into the ticks array ticks.push(tickOpts.min !== undefined ? tickOpts.min : niceMin); for (var j = 1; j < numSpaces; ++j) { ticks.push(niceMin + (j * spacing)); } ticks.push(tickOpts.max !== undefined ? tickOpts.max : niceMax); me.handleDirectionalChanges(); // At this point, we need to update our max and min given the tick values since we have expanded the // range of the scale me.max = helpers.max(ticks); me.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); me.start = me.max; me.end = me.min; } else { me.start = me.min; me.end = me.max; } }, convertTicksToLabels: function() { var me = this; me.ticksAsNumbers = me.ticks.slice(); me.zeroLineIndex = me.ticks.indexOf(0); Chart.Scale.prototype.convertTicksToLabels.call(me); } }); }; },{}],42:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var defaultConfig = { position: 'left', // label settings ticks: { callback: function(value, index, arr) { var remain = value / (Math.pow(10, Math.floor(helpers.log10(value)))); if (value === 0) { return '0'; } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === arr.length - 1) { return value.toExponential(); } return ''; } } }; var LogarithmicScale = Chart.Scale.extend({ determineDataLimits: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; var chart = me.chart; var data = chart.data; var datasets = data.datasets; var getValueOrDefault = helpers.getValueOrDefault; var isHorizontal = me.isHorizontal(); function IDMatches(meta) { return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; } // Calculate Range me.min = null; me.max = null; me.minNotZero = null; if (opts.stacked) { var valuesPerType = {}; helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { if (valuesPerType[meta.type] === undefined) { valuesPerType[meta.type] = []; } helpers.each(dataset.data, function(rawValue, index) { var values = valuesPerType[meta.type]; var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } values[index] = values[index] || 0; if (opts.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; } }); } }); helpers.each(valuesPerType, function(valuesForType) { var minVal = helpers.min(valuesForType); var maxVal = helpers.max(valuesForType); me.min = me.min === null ? minVal : Math.min(me.min, minVal); me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); }); } else { helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (me.min === null) { me.min = value; } else if (value < me.min) { me.min = value; } if (me.max === null) { me.max = value; } else if (value > me.max) { me.max = value; } if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { me.minNotZero = value; } }); } }); } me.min = getValueOrDefault(tickOpts.min, me.min); me.max = getValueOrDefault(tickOpts.max, me.max); if (me.min === me.max) { if (me.min !== 0 && me.min !== null) { me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1); me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1); } else { me.min = 1; me.max = 10; } } }, buildTicks: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; var getValueOrDefault = helpers.getValueOrDefault; // 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 var ticks = me.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 tickVal = getValueOrDefault(tickOpts.min, Math.pow(10, Math.floor(helpers.log10(me.min)))); while (tickVal < me.max) { ticks.push(tickVal); var exp; var significand; if (tickVal === 0) { exp = Math.floor(helpers.log10(me.minNotZero)); significand = Math.round(me.minNotZero / Math.pow(10, exp)); } else { exp = Math.floor(helpers.log10(tickVal)); significand = Math.floor(tickVal / Math.pow(10, exp)) + 1; } if (significand === 10) { significand = 1; ++exp; } tickVal = significand * Math.pow(10, exp); } var lastTick = getValueOrDefault(tickOpts.max, tickVal); ticks.push(lastTick); if (!me.isHorizontal()) { // We are in a vertical orientation. The top value is the highest. So reverse the array 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 me.max = helpers.max(ticks); me.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); me.start = me.max; me.end = me.min; } else { me.start = me.min; me.end = me.max; } }, convertTicksToLabels: function() { this.tickValues = this.ticks.slice(); Chart.Scale.prototype.convertTicksToLabels.call(this); }, // Get the correct tooltip label getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, getPixelForTick: function(index) { return this.getPixelForValue(this.tickValues[index]); }, getPixelForValue: function(value) { var me = this; var innerDimension; var pixel; var start = me.start; var newVal = +me.getRightValue(value); var range; var paddingTop = me.paddingTop; var paddingBottom = me.paddingBottom; var paddingLeft = me.paddingLeft; var opts = me.options; var tickOpts = opts.ticks; if (me.isHorizontal()) { range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0 if (newVal === 0) { pixel = me.left + paddingLeft; } else { innerDimension = me.width - (paddingLeft + me.paddingRight); pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); pixel += paddingLeft; } } else { // Bottom - top since pixels increase downard on a screen innerDimension = me.height - (paddingTop + paddingBottom); if (start === 0 && !tickOpts.reverse) { range = helpers.log10(me.end) - helpers.log10(me.minNotZero); if (newVal === start) { pixel = me.bottom - paddingBottom; } else if (newVal === me.minNotZero) { pixel = me.bottom - paddingBottom - innerDimension * 0.02; } else { pixel = me.bottom - paddingBottom - innerDimension * 0.02 - (innerDimension * 0.98/ range * (helpers.log10(newVal)-helpers.log10(me.minNotZero))); } } else if (me.end === 0 && tickOpts.reverse) { range = helpers.log10(me.start) - helpers.log10(me.minNotZero); if (newVal === me.end) { pixel = me.top + paddingTop; } else if (newVal === me.minNotZero) { pixel = me.top + paddingTop + innerDimension * 0.02; } else { pixel = me.top + paddingTop + innerDimension * 0.02 + (innerDimension * 0.98/ range * (helpers.log10(newVal)-helpers.log10(me.minNotZero))); } } else { range = helpers.log10(me.end) - helpers.log10(start); innerDimension = me.height - (paddingTop + paddingBottom); pixel = (me.bottom - paddingBottom) - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); } } return pixel; }, getValueForPixel: function(pixel) { var me = this; var range = helpers.log10(me.end) - helpers.log10(me.start); var value, innerDimension; if (me.isHorizontal()) { innerDimension = me.width - (me.paddingLeft + me.paddingRight); value = me.start * Math.pow(10, (pixel - me.left - me.paddingLeft) * range / innerDimension); } else { // todo: if start === 0 innerDimension = me.height - (me.paddingTop + me.paddingBottom); value = Math.pow(10, (me.bottom - me.paddingBottom - pixel) * range / innerDimension) / me.start; } return value; } }); Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig); }; },{}],43:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { var helpers = Chart.helpers; var globalDefaults = Chart.defaults.global; var defaultConfig = { display: true, // Boolean - Whether to animate scaling the chart from the centre animate: true, lineArc: false, position: 'chartArea', angleLines: { display: true, color: 'rgba(0, 0, 0, 0.1)', lineWidth: 1 }, // label settings ticks: { // Boolean - Show a backdrop to the scale label showLabelBackdrop: true, // String - The colour of the label backdrop backdropColor: 'rgba(255,255,255,0.75)', // Number - The backdrop padding above & below the label in pixels backdropPaddingY: 2, // Number - The backdrop padding to the side of the label in pixels backdropPaddingX: 2 }, pointLabels: { // Number - Point label font size in pixels fontSize: 10, // Function - Used to convert point labels callback: function(label) { return label; } } }; var LinearRadialScale = Chart.LinearScaleBase.extend({ getValueCount: function() { return this.chart.data.labels.length; }, setDimensions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // Set the unconstrained dimension before label rotation me.width = me.maxWidth; me.height = me.maxHeight; me.xCenter = Math.round(me.width / 2); me.yCenter = Math.round(me.height / 2); var minSize = helpers.min([me.height, me.width]); var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2); }, determineDataLimits: function() { var me = this; var chart = me.chart; me.min = null; me.max = null; helpers.each(chart.data.datasets, function(dataset, datasetIndex) { if (chart.isDatasetVisible(datasetIndex)) { var meta = chart.getDatasetMeta(datasetIndex); helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (me.min === null) { me.min = value; } else if (value < me.min) { me.min = value; } if (me.max === null) { me.max = value; } else if (value > me.max) { me.max = value; } }); } }); // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero me.handleTickRangeOptions(); }, getTickLimit: function() { var tickOpts = this.options.ticks; var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); }, convertTicksToLabels: function() { var me = this; Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me); // Point labels me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); }, getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, 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 */ var pointLabels = this.options.pointLabels; var pointLabelFontSize = helpers.getValueOrDefault(pointLabels.fontSize, globalDefaults.defaultFontSize); var pointLabeFontStyle = helpers.getValueOrDefault(pointLabels.fontStyle, globalDefaults.defaultFontStyle); var pointLabeFontFamily = helpers.getValueOrDefault(pointLabels.fontFamily, globalDefaults.defaultFontFamily); var pointLabeFont = helpers.fontString(pointLabelFontSize, pointLabeFontStyle, pointLabeFontFamily); // 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 - pointLabelFontSize - 5), this.width / 2]), pointPosition, i, textWidth, halfTextWidth, furthestRight = this.width, furthestRightIndex, furthestRightAngle, furthestLeft = 0, furthestLeftIndex, furthestLeftAngle, xProtrusionLeft, xProtrusionRight, radiusReductionRight, radiusReductionLeft; this.ctx.font = pointLabeFont; for (i = 0; i < this.getValueCount(); i++) { // 5px to space the text slightly out - similar to what we do in the draw function. pointPosition = this.getPointPosition(i, largestPossibleRadius); textWidth = this.ctx.measureText(this.pointLabels[i] ? this.pointLabels[i] : '').width + 5; // Add quarter circle to make degree 0 mean top of circle var angleRadians = this.getIndexAngle(i) + (Math.PI / 2); var angle = (angleRadians * 360 / (2 * Math.PI)) % 360; if (angle === 0 || angle === 180) { // At angle 0 and 180, 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 (angle < 180) { // Less than half the values means we'll left align the text if (pointPosition.x + textWidth > furthestRight) { furthestRight = pointPosition.x + textWidth; furthestRightIndex = i; } // More than half the values means we'll right align the text } else 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 me = this; var maxRight = me.width - rightMovement - me.drawingArea, maxLeft = leftMovement + me.drawingArea; me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left); // Always vertically in the centre as the text height doesn't change me.yCenter = Math.round((me.height / 2) + me.top); }, getIndexAngle: function(index) { var angleMultiplier = (Math.PI * 2) / this.getValueCount(); var startAngle = this.chart.options && this.chart.options.startAngle ? this.chart.options.startAngle : 0; var startAngleRadians = startAngle * Math.PI * 2 / 360; // Start from the top instead of right, so remove a quarter of the circle return index * angleMultiplier - (Math.PI / 2) + startAngleRadians; }, getDistanceFromCenterForValue: function(value) { var me = this; if (value === null) { return 0; // null always in center } // Take into account half font size + the yPadding of the top value var scalingFactor = me.drawingArea / (me.max - me.min); if (me.options.reverse) { return (me.max - value) * scalingFactor; } return (value - me.min) * scalingFactor; }, getPointPosition: function(index, distanceFromCenter) { var me = this; var thisAngle = me.getIndexAngle(index); return { x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter, y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter }; }, getPointPositionForValue: function(index, value) { return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); }, getBasePosition: function() { var me = this; var min = me.min; var max = me.max; return me.getPointPositionForValue(0, me.beginAtZero? 0: min < 0 && max < 0? max : min > 0 && max > 0? min : 0); }, draw: function() { var me = this; var opts = me.options; var gridLineOpts = opts.gridLines; var tickOpts = opts.ticks; var angleLineOpts = opts.angleLines; var pointLabelOpts = opts.pointLabels; var getValueOrDefault = helpers.getValueOrDefault; if (opts.display) { var ctx = me.ctx; // Tick Font var tickFontSize = getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = getValueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = getValueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); helpers.each(me.ticks, function(label, index) { // Don't draw a centre value (if it is minimum) if (index > 0 || opts.reverse) { var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); var yHeight = me.yCenter - yCenterOffset; // Draw circular lines around the scale if (gridLineOpts.display && index !== 0) { ctx.strokeStyle = helpers.getValueAtIndexOrDefault(gridLineOpts.color, index - 1); ctx.lineWidth = helpers.getValueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1); if (opts.lineArc) { // Draw circular arcs between the points ctx.beginPath(); ctx.arc(me.xCenter, me.yCenter, yCenterOffset, 0, Math.PI * 2); ctx.closePath(); ctx.stroke(); } else { // Draw straight lines connecting each index ctx.beginPath(); for (var i = 0; i < me.getValueCount(); i++) { var pointPosition = me.getPointPosition(i, yCenterOffset); if (i === 0) { ctx.moveTo(pointPosition.x, pointPosition.y); } else { ctx.lineTo(pointPosition.x, pointPosition.y); } } ctx.closePath(); ctx.stroke(); } } if (tickOpts.display) { var tickFontColor = getValueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor); ctx.font = tickLabelFont; if (tickOpts.showLabelBackdrop) { var labelWidth = ctx.measureText(label).width; ctx.fillStyle = tickOpts.backdropColor; ctx.fillRect( me.xCenter - labelWidth / 2 - tickOpts.backdropPaddingX, yHeight - tickFontSize / 2 - tickOpts.backdropPaddingY, labelWidth + tickOpts.backdropPaddingX * 2, tickFontSize + tickOpts.backdropPaddingY * 2 ); } ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.fillStyle = tickFontColor; ctx.fillText(label, me.xCenter, yHeight); } } }); if (!opts.lineArc) { ctx.lineWidth = angleLineOpts.lineWidth; ctx.strokeStyle = angleLineOpts.color; var outerDistance = me.getDistanceFromCenterForValue(opts.reverse ? me.min : me.max); // Point Label Font var pointLabelFontSize = getValueOrDefault(pointLabelOpts.fontSize, globalDefaults.defaultFontSize); var pointLabeFontStyle = getValueOrDefault(pointLabelOpts.fontStyle, globalDefaults.defaultFontStyle); var pointLabeFontFamily = getValueOrDefault(pointLabelOpts.fontFamily, globalDefaults.defaultFontFamily); var pointLabeFont = helpers.fontString(pointLabelFontSize, pointLabeFontStyle, pointLabeFontFamily); for (var i = me.getValueCount() - 1; i >= 0; i--) { if (angleLineOpts.display) { var outerPosition = me.getPointPosition(i, outerDistance); ctx.beginPath(); ctx.moveTo(me.xCenter, me.yCenter); ctx.lineTo(outerPosition.x, outerPosition.y); ctx.stroke(); ctx.closePath(); } // Extra 3px out for some label spacing var pointLabelPosition = me.getPointPosition(i, outerDistance + 5); // Keep this in loop since we may support array properties here var pointLabelFontColor = getValueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor); ctx.font = pointLabeFont; ctx.fillStyle = pointLabelFontColor; var pointLabels = me.pointLabels; // Add quarter circle to make degree 0 mean top of circle var angleRadians = this.getIndexAngle(i) + (Math.PI / 2); var angle = (angleRadians * 360 / (2 * Math.PI)) % 360; if (angle === 0 || angle === 180) { ctx.textAlign = 'center'; } else if (angle < 180) { ctx.textAlign = 'left'; } else { ctx.textAlign = 'right'; } // Set the correct text baseline based on outer positioning if (angle === 90 || angle === 270) { ctx.textBaseline = 'middle'; } else if (angle > 270 || angle < 90) { ctx.textBaseline = 'bottom'; } else { ctx.textBaseline = 'top'; } ctx.fillText(pointLabels[i] ? pointLabels[i] : '', pointLabelPosition.x, pointLabelPosition.y); } } } } }); Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig); }; },{}],44:[function(require,module,exports){ /* global window: false */ 'use strict'; var moment = require(1); moment = typeof(moment) === 'function' ? moment : window.moment; module.exports = function(Chart) { var helpers = Chart.helpers; var time = { units: [{ name: 'millisecond', steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] }, { name: 'second', steps: [1, 2, 5, 10, 30] }, { name: 'minute', steps: [1, 2, 5, 10, 30] }, { name: 'hour', steps: [1, 2, 3, 6, 12] }, { name: 'day', steps: [1, 2, 5] }, { name: 'week', maxStep: 4 }, { name: 'month', maxStep: 3 }, { name: 'quarter', maxStep: 4 }, { name: 'year', maxStep: false }] }; var defaultConfig = { position: 'bottom', time: { parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/ unit: false, // false == automatic or override with week, month, year, etc. round: false, // none, or override with week, month, year, etc. displayFormat: false, // DEPRECATED isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/ minUnit: 'millisecond', // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ displayFormats: { millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM, second: 'h:mm:ss a', // 11:20:01 AM minute: 'h:mm:ss a', // 11:20:01 AM hour: 'MMM D, hA', // Sept 4, 5PM day: 'll', // Sep 4 2015 week: 'll', // Week 46, or maybe "[W]WW - YYYY" ? month: 'MMM YYYY', // Sept 2015 quarter: '[Q]Q - YYYY', // Q3 year: 'YYYY' // 2015 } }, ticks: { autoSkip: false } }; var TimeScale = Chart.Scale.extend({ initialize: function() { if (!moment) { throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com'); } Chart.Scale.prototype.initialize.call(this); }, getLabelMoment: function(datasetIndex, index) { if (datasetIndex === null || index === null) { return null; } if (typeof this.labelMoments[datasetIndex] !== 'undefined') { return this.labelMoments[datasetIndex][index]; } return null; }, getLabelDiff: function(datasetIndex, index) { var me = this; if (datasetIndex === null || index === null) { return null; } if (me.labelDiffs === undefined) { me.buildLabelDiffs(); } if (typeof me.labelDiffs[datasetIndex] !== 'undefined') { return me.labelDiffs[datasetIndex][index]; } return null; }, getMomentStartOf: function(tick) { var me = this; if (me.options.time.unit === 'week' && me.options.time.isoWeekday !== false) { return tick.clone().startOf('isoWeek').isoWeekday(me.options.time.isoWeekday); } return tick.clone().startOf(me.tickUnit); }, determineDataLimits: function() { var me = this; me.labelMoments = []; // Only parse these once. If the dataset does not have data as x,y pairs, we will use // these var scaleLabelMoments = []; if (me.chart.data.labels && me.chart.data.labels.length > 0) { helpers.each(me.chart.data.labels, function(label) { var labelMoment = me.parseTime(label); if (labelMoment.isValid()) { if (me.options.time.round) { labelMoment.startOf(me.options.time.round); } scaleLabelMoments.push(labelMoment); } }, me); me.firstTick = moment.min.call(me, scaleLabelMoments); me.lastTick = moment.max.call(me, scaleLabelMoments); } else { me.firstTick = null; me.lastTick = null; } helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) { var momentsForDataset = []; var datasetVisible = me.chart.isDatasetVisible(datasetIndex); if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) { helpers.each(dataset.data, function(value) { var labelMoment = me.parseTime(me.getRightValue(value)); if (labelMoment.isValid()) { if (me.options.time.round) { labelMoment.startOf(me.options.time.round); } momentsForDataset.push(labelMoment); if (datasetVisible) { // May have gone outside the scale ranges, make sure we keep the first and last ticks updated me.firstTick = me.firstTick !== null ? moment.min(me.firstTick, labelMoment) : labelMoment; me.lastTick = me.lastTick !== null ? moment.max(me.lastTick, labelMoment) : labelMoment; } } }, me); } else { // We have no labels. Use the ones from the scale momentsForDataset = scaleLabelMoments; } me.labelMoments.push(momentsForDataset); }, me); // Set these after we've done all the data if (me.options.time.min) { me.firstTick = me.parseTime(me.options.time.min); } if (me.options.time.max) { me.lastTick = me.parseTime(me.options.time.max); } // We will modify these, so clone for later me.firstTick = (me.firstTick || moment()).clone(); me.lastTick = (me.lastTick || moment()).clone(); }, buildLabelDiffs: function() { var me = this; me.labelDiffs = []; var scaleLabelDiffs = []; // Parse common labels once if (me.chart.data.labels && me.chart.data.labels.length > 0) { helpers.each(me.chart.data.labels, function(label) { var labelMoment = me.parseTime(label); if (labelMoment.isValid()) { if (me.options.time.round) { labelMoment.startOf(me.options.time.round); } scaleLabelDiffs.push(labelMoment.diff(me.firstTick, me.tickUnit, true)); } }, me); } helpers.each(me.chart.data.datasets, function(dataset) { var diffsForDataset = []; if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) { helpers.each(dataset.data, function(value) { var labelMoment = me.parseTime(me.getRightValue(value)); if (labelMoment.isValid()) { if (me.options.time.round) { labelMoment.startOf(me.options.time.round); } diffsForDataset.push(labelMoment.diff(me.firstTick, me.tickUnit, true)); } }, me); } else { // We have no labels. Use common ones diffsForDataset = scaleLabelDiffs; } me.labelDiffs.push(diffsForDataset); }, me); }, buildTicks: function() { var me = this; me.ctx.save(); var tickFontSize = helpers.getValueOrDefault(me.options.ticks.fontSize, Chart.defaults.global.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(me.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(me.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); me.ctx.font = tickLabelFont; me.ticks = []; me.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step me.scaleSizeInUnits = 0; // How large the scale is in the base unit (seconds, minutes, etc) // Set unit override if applicable if (me.options.time.unit) { me.tickUnit = me.options.time.unit || 'day'; me.displayFormat = me.options.time.displayFormats[me.tickUnit]; me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, 1); } else { // Determine the smallest needed unit of the time var innerWidth = me.isHorizontal() ? me.width - (me.paddingLeft + me.paddingRight) : me.height - (me.paddingTop + me.paddingBottom); // Crude approximation of what the label length might be var tempFirstLabel = me.tickFormatFunction(me.firstTick, 0, []); var tickLabelWidth = me.ctx.measureText(tempFirstLabel).width; var cosRotation = Math.cos(helpers.toRadians(me.options.ticks.maxRotation)); var sinRotation = Math.sin(helpers.toRadians(me.options.ticks.maxRotation)); tickLabelWidth = (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); var labelCapacity = innerWidth / (tickLabelWidth); // Start as small as possible me.tickUnit = me.options.time.minUnit; me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); me.displayFormat = me.options.time.displayFormats[me.tickUnit]; var unitDefinitionIndex = 0; var unitDefinition = time.units[unitDefinitionIndex]; // While we aren't ideal and we don't have units left while (unitDefinitionIndex < time.units.length) { // Can we scale this unit. If `false` we can scale infinitely me.unitScale = 1; if (helpers.isArray(unitDefinition.steps) && Math.ceil(me.scaleSizeInUnits / labelCapacity) < helpers.max(unitDefinition.steps)) { // Use one of the prefedined steps for (var idx = 0; idx < unitDefinition.steps.length; ++idx) { if (unitDefinition.steps[idx] >= Math.ceil(me.scaleSizeInUnits / labelCapacity)) { me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, unitDefinition.steps[idx]); break; } } break; } else if ((unitDefinition.maxStep === false) || (Math.ceil(me.scaleSizeInUnits / labelCapacity) < unitDefinition.maxStep)) { // We have a max step. Scale this unit me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, Math.ceil(me.scaleSizeInUnits / labelCapacity)); break; } else { // Move to the next unit up ++unitDefinitionIndex; unitDefinition = time.units[unitDefinitionIndex]; me.tickUnit = unitDefinition.name; var leadingUnitBuffer = me.firstTick.diff(me.getMomentStartOf(me.firstTick), me.tickUnit, true); var trailingUnitBuffer = me.getMomentStartOf(me.lastTick.clone().add(1, me.tickUnit)).diff(me.lastTick, me.tickUnit, true); me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true) + leadingUnitBuffer + trailingUnitBuffer; me.displayFormat = me.options.time.displayFormats[unitDefinition.name]; } } } var roundedStart; // Only round the first tick if we have no hard minimum if (!me.options.time.min) { me.firstTick = me.getMomentStartOf(me.firstTick); roundedStart = me.firstTick; } else { roundedStart = me.getMomentStartOf(me.firstTick); } // Only round the last tick if we have no hard maximum if (!me.options.time.max) { var roundedEnd = me.getMomentStartOf(me.lastTick); var delta = roundedEnd.diff(me.lastTick, me.tickUnit, true); if (delta < 0) { // Do not use end of because we need me to be in the next time unit me.lastTick = me.getMomentStartOf(me.lastTick.add(1, me.tickUnit)); } else if (delta >= 0) { me.lastTick = roundedEnd; } me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); } // Tick displayFormat override if (me.options.time.displayFormat) { me.displayFormat = me.options.time.displayFormat; } // first tick. will have been rounded correctly if options.time.min is not specified me.ticks.push(me.firstTick.clone()); // For every unit in between the first and last moment, create a moment and add it to the ticks tick for (var i = 1; i <= me.scaleSizeInUnits; ++i) { var newTick = roundedStart.clone().add(i, me.tickUnit); // Are we greater than the max time if (me.options.time.max && newTick.diff(me.lastTick, me.tickUnit, true) >= 0) { break; } if (i % me.unitScale === 0) { me.ticks.push(newTick); } } // Always show the right tick var diff = me.ticks[me.ticks.length - 1].diff(me.lastTick, me.tickUnit); if (diff !== 0 || me.scaleSizeInUnits === 0) { // this is a weird case. If the <max> option is the same as the end option, we can't just diff the times because the tick was created from the roundedStart // but the last tick was not rounded. if (me.options.time.max) { me.ticks.push(me.lastTick.clone()); me.scaleSizeInUnits = me.lastTick.diff(me.ticks[0], me.tickUnit, true); } else { me.ticks.push(me.lastTick.clone()); me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); } } me.ctx.restore(); // Invalidate label diffs cache me.labelDiffs = undefined; }, // Get tooltip label getLabelForIndex: function(index, datasetIndex) { var me = this; var label = me.chart.data.labels && index < me.chart.data.labels.length ? me.chart.data.labels[index] : ''; if (typeof me.chart.data.datasets[datasetIndex].data[0] === 'object') { label = me.getRightValue(me.chart.data.datasets[datasetIndex].data[index]); } // Format nicely if (me.options.time.tooltipFormat) { label = me.parseTime(label).format(me.options.time.tooltipFormat); } return label; }, // Function to format an individual tick mark tickFormatFunction: function(tick, index, ticks) { var formattedTick = tick.format(this.displayFormat); var tickOpts = this.options.ticks; var callback = helpers.getValueOrDefault(tickOpts.callback, tickOpts.userCallback); if (callback) { return callback(formattedTick, index, ticks); } return formattedTick; }, convertTicksToLabels: function() { var me = this; me.tickMoments = me.ticks; me.ticks = me.ticks.map(me.tickFormatFunction, me); }, getPixelForValue: function(value, index, datasetIndex) { var me = this; var offset = null; if (index !== undefined && datasetIndex !== undefined) { offset = me.getLabelDiff(datasetIndex, index); } if (offset === null) { if (!value || !value.isValid) { // not already a moment object value = me.parseTime(me.getRightValue(value)); } if (value && value.isValid && value.isValid()) { offset = value.diff(me.firstTick, me.tickUnit, true); } } if (offset !== null) { var decimal = offset !== 0 ? offset / me.scaleSizeInUnits : offset; if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var valueOffset = (innerWidth * decimal) + me.paddingLeft; return me.left + Math.round(valueOffset); } var innerHeight = me.height - (me.paddingTop + me.paddingBottom); var heightOffset = (innerHeight * decimal) + me.paddingTop; return me.top + Math.round(heightOffset); } }, getPixelForTick: function(index) { return this.getPixelForValue(this.tickMoments[index], null, null); }, getValueForPixel: function(pixel) { var me = this; var innerDimension = me.isHorizontal() ? me.width - (me.paddingLeft + me.paddingRight) : me.height - (me.paddingTop + me.paddingBottom); var offset = (pixel - (me.isHorizontal() ? me.left + me.paddingLeft : me.top + me.paddingTop)) / innerDimension; offset *= me.scaleSizeInUnits; return me.firstTick.clone().add(moment.duration(offset, me.tickUnit).asSeconds(), 'seconds'); }, parseTime: function(label) { var me = this; if (typeof me.options.time.parser === 'string') { return moment(label, me.options.time.parser); } if (typeof me.options.time.parser === 'function') { return me.options.time.parser(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 me.options.time.format !== 'string' && me.options.time.format.call) { console.warn('options.time.format is deprecated and replaced by options.time.parser. See http://nnnick.github.io/Chart.js/docs-v2/#scales-time-scale'); return me.options.time.format(label); } // Moment format parsing return moment(label, me.options.time.format); } }); Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig); }; },{"1":1}]},{},[7])(7) });