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/*! * Chart.js * http://chartjs.org/ * Version: 2.1.4 * * Copyright 2016 Nick Downie * Released under the MIT license * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md */ (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('color-name'); 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; } },{"color-name":6}],3:[function(require,module,exports){ /* MIT license */ var convert = require('color-convert'); var string = require('chartjs-color-string'); 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; },{"chartjs-color-string":2,"color-convert":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("./conversions"); 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; },{"./conversions":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){ var Chart = require('./core/core.js')(); require('./core/core.helpers')(Chart); require('./core/core.element')(Chart); require('./core/core.animation')(Chart); require('./core/core.controller')(Chart); require('./core/core.datasetController')(Chart); require('./core/core.layoutService')(Chart); require('./core/core.legend')(Chart); require('./core/core.plugin.js')(Chart); require('./core/core.scale')(Chart); require('./core/core.scaleService')(Chart); require('./core/core.title')(Chart); require('./core/core.tooltip')(Chart); require('./elements/element.arc')(Chart); require('./elements/element.line')(Chart); require('./elements/element.point')(Chart); require('./elements/element.rectangle')(Chart); require('./scales/scale.category')(Chart); require('./scales/scale.linear')(Chart); require('./scales/scale.logarithmic')(Chart); require('./scales/scale.radialLinear')(Chart); require('./scales/scale.time')(Chart); // Controllers must be loaded after elements // See Chart.core.datasetController.dataElementType require('./controllers/controller.bar')(Chart); require('./controllers/controller.bubble')(Chart); require('./controllers/controller.doughnut')(Chart); require('./controllers/controller.line')(Chart); require('./controllers/controller.polarArea')(Chart); require('./controllers/controller.radar')(Chart); require('./charts/Chart.Bar')(Chart); require('./charts/Chart.Bubble')(Chart); require('./charts/Chart.Doughnut')(Chart); require('./charts/Chart.Line')(Chart); require('./charts/Chart.PolarArea')(Chart); require('./charts/Chart.Radar')(Chart); require('./charts/Chart.Scatter')(Chart); window.Chart = module.exports = Chart; },{"./charts/Chart.Bar":8,"./charts/Chart.Bubble":9,"./charts/Chart.Doughnut":10,"./charts/Chart.Line":11,"./charts/Chart.PolarArea":12,"./charts/Chart.Radar":13,"./charts/Chart.Scatter":14,"./controllers/controller.bar":15,"./controllers/controller.bubble":16,"./controllers/controller.doughnut":17,"./controllers/controller.line":18,"./controllers/controller.polarArea":19,"./controllers/controller.radar":20,"./core/core.animation":21,"./core/core.controller":22,"./core/core.datasetController":23,"./core/core.element":24,"./core/core.helpers":25,"./core/core.js":26,"./core/core.layoutService":27,"./core/core.legend":28,"./core/core.plugin.js":29,"./core/core.scale":30,"./core/core.scaleService":31,"./core/core.title":32,"./core/core.tooltip":33,"./elements/element.arc":34,"./elements/element.line":35,"./elements/element.point":36,"./elements/element.rectangle":37,"./scales/scale.category":38,"./scales/scale.linear":39,"./scales/scale.logarithmic":40,"./scales/scale.radialLinear":41,"./scales/scale.time":42}],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(tooltipItems, data) { // Title doesn't make sense for scatter since we format the data as a point return ''; }, label: function(tooltipItem, data) { return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')'; } } } }; // Register the default config for this type Chart.defaults.scatter = defaultConfig; // Scatter charts use line controllers Chart.controllers.scatter = Chart.controllers.line; Chart.Scatter = function(context, config) { config.type = 'scatter'; return new Chart(context, config); }; }; },{}],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 getBarCount() { var barCount = 0; helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) { var meta = this.chart.getDatasetMeta(datasetIndex); if (meta.bar && this.chart.isDatasetVisible(datasetIndex)) { ++barCount; } }, this); return barCount; }, update: function update(reset) { helpers.each(this.getMeta().data, function(rectangle, index) { this.updateElement(rectangle, index, reset); }, this); }, updateElement: function updateElement(rectangle, index, reset) { var meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var yScale = this.getScaleForId(meta.yAxisID); var scaleBase = yScale.getBasePixel(); var rectangleElementOptions = this.chart.options.elements.rectangle; var custom = rectangle.custom || {}; var dataset = this.getDataset(); helpers.extend(rectangle, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: this.index, _index: index, // Desired view properties _model: { x: this.calculateBarX(index, this.index), y: reset ? scaleBase : this.calculateBarY(index, this.index), // Tooltip label: this.chart.data.labels[index], datasetLabel: dataset.label, // Appearance base: reset ? scaleBase : this.calculateBarBase(this.index, index), width: this.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 meta = this.getMeta(); var yScale = this.getScaleForId(meta.yAxisID); var base = 0; if (yScale.options.stacked) { var chart = this.chart; var datasets = chart.data.datasets; var value = datasets[datasetIndex].data[index]; if (value < 0) { for (var i = 0; i < datasetIndex; i++) { var negDS = datasets[i]; var negDSMeta = chart.getDatasetMeta(i); if (negDSMeta.bar && negDSMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { base += negDS.data[index] < 0 ? negDS.data[index] : 0; } } } else { for (var j = 0; j < datasetIndex; j++) { var posDS = datasets[j]; var posDSMeta = chart.getDatasetMeta(j); if (posDSMeta.bar && posDSMeta.yAxisID === yScale.id && chart.isDatasetVisible(j)) { base += posDS.data[index] > 0 ? posDS.data[index] : 0; } } } return yScale.getPixelForValue(base); } return yScale.getBasePixel(); }, getRuler: function(index) { var meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var datasetCount = this.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 !== this.chart.data.labels.length) { var perc = xScale.ticks.length / this.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); 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 meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var barIndex = this.getBarIndex(datasetIndex); var ruler = this.getRuler(index); var leftTick = xScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo); leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0; if (xScale.options.stacked) { return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing; } return leftTick + (ruler.barWidth / 2) + ruler.categorySpacing + (ruler.barWidth * barIndex) + (ruler.barSpacing / 2) + (ruler.barSpacing * barIndex); }, calculateBarY: function(index, datasetIndex) { var meta = this.getMeta(); var yScale = this.getScaleForId(meta.yAxisID); var value = this.getDataset().data[index]; if (yScale.options.stacked) { var sumPos = 0, sumNeg = 0; for (var i = 0; i < datasetIndex; i++) { var ds = this.chart.data.datasets[i]; var dsMeta = this.chart.getDatasetMeta(i); if (dsMeta.bar && dsMeta.yAxisID === yScale.id && this.chart.isDatasetVisible(i)) { if (ds.data[index] < 0) { sumNeg += ds.data[index] || 0; } else { sumPos += ds.data[index] || 0; } } } if (value < 0) { return yScale.getPixelForValue(sumNeg + value); } else { return yScale.getPixelForValue(sumPos + value); } } return yScale.getPixelForValue(value); }, draw: function(ease) { var easingDecimal = ease || 1; helpers.each(this.getMeta().data, function(rectangle, index) { var d = this.getDataset().data[index]; if (d !== null && d !== undefined && !isNaN(d)) { rectangle.transition(easingDecimal).draw(); } }, this); }, 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 updateElement(rectangle, index, reset, numBars) { var meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var yScale = this.getScaleForId(meta.yAxisID); var scaleBase = xScale.getBasePixel(); var custom = rectangle.custom || {}; var dataset = this.getDataset(); var rectangleElementOptions = this.chart.options.elements.rectangle; helpers.extend(rectangle, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: this.index, _index: index, // Desired view properties _model: { x: reset ? scaleBase : this.calculateBarX(index, this.index), y: this.calculateBarY(index, this.index), // Tooltip label: this.chart.data.labels[index], datasetLabel: dataset.label, // Appearance base: reset ? scaleBase : this.calculateBarBase(this.index, index), height: this.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(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(); } }, 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 meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var base = 0; if (xScale.options.stacked) { var value = this.chart.data.datasets[datasetIndex].data[index]; if (value < 0) { for (var i = 0; i < datasetIndex; i++) { var negDS = this.chart.data.datasets[i]; var negDSMeta = this.chart.getDatasetMeta(i); if (negDSMeta.bar && negDSMeta.xAxisID === xScale.id && this.chart.isDatasetVisible(i)) { base += negDS.data[index] < 0 ? negDS.data[index] : 0; } } } else { for (var j = 0; j < datasetIndex; j++) { var posDS = this.chart.data.datasets[j]; var posDSMeta = this.chart.getDatasetMeta(j); if (posDSMeta.bar && posDSMeta.xAxisID === xScale.id && this.chart.isDatasetVisible(j)) { base += posDS.data[index] > 0 ? posDS.data[index] : 0; } } } return xScale.getPixelForValue(base); } return xScale.getBasePixel(); }, getRuler: function (index) { var meta = this.getMeta(); var yScale = this.getScaleForId(meta.yAxisID); var datasetCount = this.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 !== this.chart.data.labels.length) { var perc = yScale.ticks.length / this.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 yScale = this.getScaleForId(this.getMeta().yAxisID); var ruler = this.getRuler(index); return yScale.options.stacked ? ruler.categoryHeight : ruler.barHeight; }, calculateBarX: function (index, datasetIndex) { var meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var value = this.getDataset().data[index]; if (xScale.options.stacked) { var sumPos = 0, sumNeg = 0; for (var i = 0; i < datasetIndex; i++) { var ds = this.chart.data.datasets[i]; var dsMeta = this.chart.getDatasetMeta(i); if (dsMeta.bar && dsMeta.xAxisID === xScale.id && this.chart.isDatasetVisible(i)) { if (ds.data[index] < 0) { sumNeg += ds.data[index] || 0; } else { sumPos += ds.data[index] || 0; } } } if (value < 0) { return xScale.getPixelForValue(sumNeg + value); } else { return xScale.getPixelForValue(sumPos + value); } } return xScale.getPixelForValue(value); }, calculateBarY: function (index, datasetIndex) { var meta = this.getMeta(); var yScale = this.getScaleForId(meta.yAxisID); var barIndex = this.getBarIndex(datasetIndex); var ruler = this.getRuler(index); var topTick = yScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo); topTick -= this.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(tooltipItems, data) { // 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 update(reset) { var meta = this.getMeta(); var points = meta.data; // Update Points helpers.each(points, function(point, index) { this.updateElement(point, index, reset); }, this); }, updateElement: function(point, index, reset) { var meta = this.getMeta(); var xScale = this.getScaleForId(meta.xAxisID); var yScale = this.getScaleForId(meta.yAxisID); var custom = point.custom || {}; var dataset = this.getDataset(); var data = dataset.data[index]; var pointElementOptions = this.chart.options.elements.point; helpers.extend(point, { // Utility _xScale: xScale, _yScale: yScale, _datasetIndex: this.index, _index: index, // Desired view properties _model: { x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(data, index, this.index, this.chart.isCombo), y: reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, this.index), // Appearance radius: reset ? 0 : custom.radius ? custom.radius : this.getRadius(data), backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, pointElementOptions.backgroundColor), borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, pointElementOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, pointElementOptions.borderWidth), // Tooltip hitRadius: custom.hitRadius ? custom.hitRadius : helpers.getValueAtIndexOrDefault(dataset.hitRadius, index, pointElementOptions.hitRadius) } }); 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) { // 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 ? custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, this.chart.options.elements.point.hoverRadius)) + this.getRadius(this.getDataset().data[point._index]); 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(point) { var dataset = this.chart.data.datasets[point._datasetIndex]; var index = point._index; var custom = point.custom || {}; var model = point._model; var pointElementOptions = this.chart.options.elements.point; model.radius = custom.radius ? custom.radius : this.getRadius(dataset.data[point._index]); model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, pointElementOptions.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, pointElementOptions.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, pointElementOptions.borderWidth); } }); }; },{}],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.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 }; }); } else { 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(); } }, //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 getRingIndex(datasetIndex) { var ringIndex = 0; for (var j = 0; j < datasetIndex; ++j) { if (this.chart.isDatasetVisible(j)) { ++ringIndex; } } return ringIndex; }, update: function update(reset) { var _this = this; var chart = _this.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 = _this.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.outerRadius = Math.max(minSize / 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 = _this.calculateTotal(); _this.outerRadius = chart.outerRadius - (chart.radiusLength * _this.getRingIndex(_this.index)); _this.innerRadius = _this.outerRadius - chart.radiusLength; helpers.each(meta.data, function(arc, index) { _this.updateElement(arc, index, reset); }); }, updateElement: function(arc, index, reset) { var _this = this; var chart = _this.chart, chartArea = chart.chartArea, opts = chart.options, animationOpts = opts.animation, arcOpts = opts.elements.arc, 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 = _this.getDataset(), circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : _this.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)), innerRadius = reset && animationOpts.animateScale ? 0 : _this.innerRadius, outerRadius = reset && animationOpts.animateScale ? 0 : _this.outerRadius, custom = arc.custom || {}, valueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; helpers.extend(arc, { // Utility _datasetIndex: _this.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; model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(dataset.backgroundColor, index, arcOpts.backgroundColor); model.hoverBackgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, arcOpts.hoverBackgroundColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(dataset.borderWidth, index, arcOpts.borderWidth); model.borderColor = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(dataset.borderColor, index, arcOpts.borderColor); // Set correct angles if not resetting if (!reset || !animationOpts.animateRotate) { if (index === 0) { model.startAngle = opts.rotation; } else { model.startAngle = _this.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); } }); return total; }, calculateCircumference: function(value) { var total = this.getMeta().total; if (total > 0 && !isNaN(value)) { return (Math.PI * 2.0) * (value / total); } else { return 0; } } }); }; },{}],18:[function(require,module,exports){ "use strict"; module.exports = function(Chart) { var helpers = Chart.helpers; Chart.defaults.line = { showLines: true, hover: { mode: "label" }, scales: { xAxes: [{ type: "category", id: 'x-axis-0' }], yAxes: [{ type: "linear", id: 'y-axis-0' }] } }; 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; Chart.DatasetController.prototype.addElementAndReset.call(me, index); // Make sure bezier control points are updated if (options.showLines && options.elements.line.tension !== 0) { me.updateBezierControlPoints(); } }, update: function update(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, dataset, custom; // Update Line if (options.showLines) { dataset = me.getDataset(); 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 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), // 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 (options.showLines && lineElementOptions.tension !== 0) { me.updateBezierControlPoints(); } }, 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; // 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(value, index, datasetIndex, me.chart.isCombo); y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex, me.chart.isCombo); // 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, // Tooltip hitRadius: custom.hitRadius || helpers.getValueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) }; }, calculatePointY: function(value, index, datasetIndex, isCombo) { 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' && chart.isDatasetVisible(i)) { if (ds.data[index] < 0) { sumNeg += ds.data[index] || 0; } else { sumPos += ds.data[index] || 0; } } } if (value < 0) { return yScale.getPixelForValue(sumNeg + value); } else { return yScale.getPixelForValue(sumPos + value); } } return yScale.getPixelForValue(value); }, updateBezierControlPoints: function() { var meta = this.getMeta(); var area = this.chart.chartArea; var points = meta.data || []; var i, ilen, point, model, controlPoints; 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 ); // Prevent the bezier going outside of the bounds of the graph model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, area.right), area.left); model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, area.bottom), area.top); model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, area.right), area.left); model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, area.bottom), area.top); // Now pivot the point for animation point.pivot(); } }, draw: function(ease) { var meta = this.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 (this.chart.options.showLines) { 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 }, //Boolean - Whether to animate the rotation of the chart animation: { animateRotate: true, animateScale: true }, 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 }; }); } else { 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 update(reset) { var _this = this; var chart = _this.chart; var chartArea = chart.chartArea; var meta = this.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(); _this.outerRadius = chart.outerRadius - (chart.radiusLength * _this.index); _this.innerRadius = _this.outerRadius - chart.radiusLength; meta.count = _this.countVisibleElements(); helpers.each(meta.data, function(arc, index) { _this.updateElement(arc, index, reset); }); }, updateElement: function(arc, index, reset) { var _this = this; var chart = _this.chart; var chartArea = chart.chartArea; var dataset = _this.getDataset(); var opts = chart.options; var animationOpts = opts.animation; var arcOpts = opts.elements.arc; var custom = arc.custom || {}; var scale = chart.scale; var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; var labels = chart.data.labels; var circumference = _this.calculateCircumference(dataset.data[index]); var centerX = (chartArea.left + chartArea.right) / 2; var centerY = (chartArea.top + chartArea.bottom) / 2; // If there is NaN data before us, we need to calculate the starting angle correctly. // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data var visibleCount = 0; var meta = _this.getMeta(); for (var i = 0; i < index; ++i) { if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) { ++visibleCount; } } var distance = arc.hidden? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); var startAngle = (-0.5 * Math.PI) + (circumference * visibleCount); var endAngle = startAngle + (arc.hidden? 0 : circumference); var resetModel = { x: centerX, y: centerY, innerRadius: 0, outerRadius: animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]), startAngle: animationOpts.animateRotate ? Math.PI * -0.5 : startAngle, endAngle: animationOpts.animateRotate ? Math.PI * -0.5 : endAngle, backgroundColor: custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(dataset.backgroundColor, index, arcOpts.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(dataset.borderWidth, index, arcOpts.borderWidth), borderColor: custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(dataset.borderColor, index, arcOpts.borderColor), label: getValueAtIndexOrDefault(labels, index, labels[index]) }; helpers.extend(arc, { // Utility _datasetIndex: _this.index, _index: index, _scale: scale, // Desired view properties _model: reset ? resetModel : { x: centerX, y: centerY, innerRadius: 0, outerRadius: distance, startAngle: startAngle, endAngle: endAngle, backgroundColor: custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(dataset.backgroundColor, index, arcOpts.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(dataset.borderWidth, index, arcOpts.borderWidth), borderColor: custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(dataset.borderColor, index, arcOpts.borderColor), label: getValueAtIndexOrDefault(labels, index, labels[index]) } }); 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; } else { 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 update(reset) { var meta = this.getMeta(); var line = meta.dataset; var points = meta.data; var custom = line.custom || {}; var dataset = this.getDataset(); var lineElementOptions = this.chart.options.elements.line; var scale = this.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: this.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) { this.updateElement(point, index, reset); }, this); // Update bezier control points this.updateBezierControlPoints(); }, updateElement: function(point, index, reset) { var custom = point.custom || {}; var dataset = this.getDataset(); var scale = this.chart.scale; var pointElementOptions = this.chart.options.elements.point; var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); helpers.extend(point, { // Utility _datasetIndex: this.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, this.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(); }, this); }, draw: function(ease) { var meta = this.getMeta(); var easingDecimal = ease || 1; // Transition Point Locations helpers.each(meta.data, function(point, index) { 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) { if (!lazy) { chartInstance.animating = true; } for (var index = 0; index < this.animations.length; ++index) { if (this.animations[index].chartInstance === chartInstance) { // replacing an in progress animation this.animations[index].animationObject = animationObject; return; } } this.animations.push({ chartInstance: chartInstance, animationObject: animationObject }); // If there are no animations queued, manually kickstart a digest, for lack of a better word if (this.animations.length === 1) { this.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 startTime = Date.now(); var framesToDrop = 0; if (this.dropFrames > 1) { framesToDrop = Math.floor(this.dropFrames); this.dropFrames = this.dropFrames % 1; } var i = 0; while (i < this.animations.length) { if (this.animations[i].animationObject.currentStep === null) { this.animations[i].animationObject.currentStep = 0; } this.animations[i].animationObject.currentStep += 1 + framesToDrop; if (this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps) { this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps; } this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject); if (this.animations[i].animationObject.onAnimationProgress && this.animations[i].animationObject.onAnimationProgress.call) { this.animations[i].animationObject.onAnimationProgress.call(this.animations[i].chartInstance, this.animations[i]); } if (this.animations[i].animationObject.currentStep === this.animations[i].animationObject.numSteps) { if (this.animations[i].animationObject.onAnimationComplete && this.animations[i].animationObject.onAnimationComplete.call) { this.animations[i].animationObject.onAnimationComplete.call(this.animations[i].chartInstance, this.animations[i]); } // executed the last frame. Remove the animation. this.animations[i].chartInstance.animating = false; this.animations.splice(i, 1); } else { ++i; } } var endTime = Date.now(); var dropFrames = (endTime - startTime) / this.frameDuration; this.dropFrames += dropFrames; // Do we have more stuff to animate? if (this.animations.length > 0) { this.requestAnimationFrame(); } } }; }; },{}],22:[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 = {}; // 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, { initialize: function initialize() { // Before init plugin notification Chart.pluginService.notifyPlugins('beforeInit', [this]); this.bindEvents(); // Make sure controllers are built first so that each dataset is bound to an axis before the scales // are built this.ensureScalesHaveIDs(); this.buildOrUpdateControllers(); this.buildScales(); this.buildSurroundingItems(); this.updateLayout(); this.resetElements(); this.initToolTip(); this.update(); // After init plugin notification Chart.pluginService.notifyPlugins('afterInit', [this]); return this; }, clear: function clear() { helpers.clear(this.chart); return this; }, stop: function stop() { // Stops any current animation loop occuring Chart.animationService.cancelAnimation(this); return this; }, resize: function resize(silent) { var canvas = this.chart.canvas; var newWidth = helpers.getMaximumWidth(this.chart.canvas); var newHeight = (this.options.maintainAspectRatio && isNaN(this.chart.aspectRatio) === false && isFinite(this.chart.aspectRatio) && this.chart.aspectRatio !== 0) ? newWidth / this.chart.aspectRatio : helpers.getMaximumHeight(this.chart.canvas); var sizeChanged = this.chart.width !== newWidth || this.chart.height !== newHeight; if (!sizeChanged) return this; canvas.width = this.chart.width = newWidth; canvas.height = this.chart.height = newHeight; helpers.retinaScale(this.chart); if (!silent) { this.stop(); this.update(this.options.responsiveAnimationDuration); } return this; }, ensureScalesHaveIDs: function ensureScalesHaveIDs() { 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 buildScales() { 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, index) { 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); }, buildSurroundingItems: function() { if (this.options.title) { this.titleBlock = new Chart.Title({ ctx: this.chart.ctx, options: this.options.title, chart: this }); Chart.layoutService.addBox(this, this.titleBlock); } if (this.options.legend) { this.legend = new Chart.Legend({ ctx: this.chart.ctx, options: this.options.legend, chart: this }); Chart.layoutService.addBox(this, this.legend); } }, updateLayout: function() { Chart.layoutService.update(this, this.chart.width, this.chart.height); }, buildOrUpdateControllers: function buildOrUpdateControllers() { var types = []; var newControllers = []; helpers.each(this.data.datasets, function(dataset, datasetIndex) { var meta = this.getDatasetMeta(datasetIndex); if (!meta.type) { meta.type = dataset.type || this.config.type; } types.push(meta.type); if (meta.controller) { meta.controller.updateIndex(datasetIndex); } else { meta.controller = new Chart.controllers[meta.type](this, datasetIndex); newControllers.push(meta.controller); } }, this); if (types.length > 1) { for (var i = 1; i < types.length; i++) { if (types[i] !== types[i - 1]) { this.isCombo = true; break; } } } return newControllers; }, resetElements: function resetElements() { helpers.each(this.data.datasets, function(dataset, datasetIndex) { this.getDatasetMeta(datasetIndex).controller.reset(); }, this); }, update: function update(animationDuration, lazy) { Chart.pluginService.notifyPlugins('beforeUpdate', [this]); // In case the entire data object changed this.tooltip._data = this.data; // Make sure dataset controllers are updated and new controllers are reset var newControllers = this.buildOrUpdateControllers(); // Make sure all dataset controllers have correct meta data counts helpers.each(this.data.datasets, function(dataset, datasetIndex) { this.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); }, this); Chart.layoutService.update(this, this.chart.width, this.chart.height); // Apply changes to the dataets that require the scales to have been calculated i.e BorderColor chages Chart.pluginService.notifyPlugins('afterScaleUpdate', [this]); // Can only reset the new controllers after the scales have been updated helpers.each(newControllers, function(controller) { controller.reset(); }); // This will loop through any data and do the appropriate element update for the type helpers.each(this.data.datasets, function(dataset, datasetIndex) { this.getDatasetMeta(datasetIndex).controller.update(); }, this); // Do this before render so that any plugins that need final scale updates can use it Chart.pluginService.notifyPlugins('afterUpdate', [this]); this.render(animationDuration, lazy); }, render: function render(duration, lazy) { Chart.pluginService.notifyPlugins('beforeRender', [this]); var animationOptions = this.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(this, animation, duration, lazy); } else { this.draw(); if (animationOptions && animationOptions.onComplete && animationOptions.onComplete.call) { animationOptions.onComplete.call(this); } } return this; }, draw: function(ease) { var easingDecimal = ease || 1; this.clear(); Chart.pluginService.notifyPlugins('beforeDraw', [this, easingDecimal]); // Draw all the scales helpers.each(this.boxes, function(box) { box.draw(this.chartArea); }, this); if (this.scale) { this.scale.draw(); } // Clip out the chart area so that anything outside does not draw. This is necessary for zoom and pan to function var context = this.chart.ctx; context.save(); context.beginPath(); context.rect(this.chartArea.left, this.chartArea.top, this.chartArea.right - this.chartArea.left, this.chartArea.bottom - this.chartArea.top); context.clip(); // Draw each dataset via its respective controller (reversed to support proper line stacking) helpers.each(this.data.datasets, function(dataset, datasetIndex) { if (this.isDatasetVisible(datasetIndex)) { this.getDatasetMeta(datasetIndex).controller.draw(ease); } }, this, true); // Restore from the clipping operation context.restore(); // Finally draw the tooltip this.tooltip.transition(easingDecimal).draw(); Chart.pluginService.notifyPlugins('afterDraw', [this, 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 eventPosition = helpers.getRelativePosition(e, this.chart); var elementsArray = []; helpers.each(this.data.datasets, function(dataset, datasetIndex) { if (this.isDatasetVisible(datasetIndex)) { var meta = this.getDatasetMeta(datasetIndex); helpers.each(meta.data, function(element, index) { if (element.inRange(eventPosition.x, eventPosition.y)) { elementsArray.push(element); return elementsArray; } }); } }, this); return elementsArray; }, getElementsAtEvent: function(e) { var eventPosition = helpers.getRelativePosition(e, this.chart); var elementsArray = []; var found = (function() { if (this.data.datasets) { for (var i = 0; i < this.data.datasets.length; i++) { var meta = this.getDatasetMeta(i); if (this.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(this); if (!found) { return elementsArray; } helpers.each(this.data.datasets, function(dataset, datasetIndex) { if (this.isDatasetVisible(datasetIndex)) { var meta = this.getDatasetMeta(datasetIndex); elementsArray.push(meta.data[found._index]); } }, this); 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); 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 dataset = this.data.datasets[datasetIndex]; if (!dataset._meta) { dataset._meta = {}; } var meta = dataset._meta[this.id]; if (!meta) { meta = dataset._meta[this.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 generateLegend() { return this.options.legendCallback(this); }, destroy: function destroy() { this.clear(); helpers.unbindEvents(this, this.events); helpers.removeResizeListener(this.chart.canvas.parentNode); // Reset canvas height/width attributes var canvas = this.chart.canvas; canvas.width = this.chart.width; canvas.height = this.chart.height; // if we scaled the canvas in response to a devicePixelRatio !== 1, we need to undo that transform here if (this.chart.originalDevicePixelRatio !== undefined) { this.chart.ctx.scale(1 / this.chart.originalDevicePixelRatio, 1 / this.chart.originalDevicePixelRatio); } // Reset to the old style since it may have been changed by the device pixel ratio changes canvas.style.width = this.chart.originalCanvasStyleWidth; canvas.style.height = this.chart.originalCanvasStyleHeight; Chart.pluginService.notifyPlugins('destroy', [this]); delete Chart.instances[this.id]; }, toBase64Image: function toBase64Image() { return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments); }, initToolTip: function initToolTip() { this.tooltip = new Chart.Tooltip({ _chart: this.chart, _chartInstance: this, _data: this.data, _options: this.options }, this); }, bindEvents: function bindEvents() { helpers.bindEvents(this, this.options.events, function(evt) { this.eventHandler(evt); }); }, 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': // 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 eventHandler(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 (e.type === 'mouseup' || e.type === 'click') { if (options.onClick) { options.onClick.call(me, e, me.active); } if (me.legend && me.legend.handleEvent) { me.legend.handleEvent(e); } } // 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; } }); }; },{}],23:[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.call(this, 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) { this.chart = chart; this.index = datasetIndex; this.linkScales(); this.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { var meta = this.getMeta(); var dataset = this.getDataset(); if (meta.xAxisID === null) { meta.xAxisID = dataset.xAxisID || this.chart.options.scales.xAxes[0].id; } if (meta.yAxisID === null) { meta.yAxisID = dataset.yAxisID || this.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 buildOrUpdateElements() { // 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, index) { 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, color = helpers.color, 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, color = helpers.color, 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; }; },{}],24:[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() { if (!this._view) { this._view = helpers.clone(this._model); } this._start = helpers.clone(this._view); return this; }, transition: function(ease) { if (!this._view) { this._view = helpers.clone(this._model); } // No animation -> No Transition if (ease === 1) { this._view = this._model; this._start = null; return this; } if (!this._start) { this.pivot(); } helpers.each(this._model, function(value, key) { if (key[0] === '_') { // Only non-underscored properties } // Init if doesn't exist else if (!this._view.hasOwnProperty(key)) { if (typeof value === 'number' && !isNaN(this._view[key])) { this._view[key] = value * ease; } else { this._view[key] = value; } } // No unnecessary computations else if (value === this._view[key]) { // It's the same! Woohoo! } // Color transitions if possible else if (typeof value === 'string') { try { var color = helpers.color(this._model[key]).mix(helpers.color(this._start[key]), ease); this._view[key] = color.rgbString(); } catch (err) { this._view[key] = value; } } // Number transitions else if (typeof value === 'number') { var startVal = this._start[key] !== undefined && isNaN(this._start[key]) === false ? this._start[key] : 0; this._view[key] = ((this._model[key] - startVal) * ease) + startVal; } // Everything else else { this._view[key] = value; } }, this); return this; }, tooltipPosition: function() { return { x: this._model.x, y: this._model.y }; }, hasValue: function() { return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); } }); Chart.Element.extend = helpers.inherits; }; },{}],25:[function(require,module,exports){ /*global window: false */ /*global document: false */ "use strict"; var color = require('chartjs-color'); 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 len = arguments.length; var additionalArgs = []; for (var i = 1; i < len; i++) { additionalArgs.push(arguments[i]); } helpers.each(additionalArgs, function(extensionObject) { helpers.each(extensionObject, function(value, key) { base[key] = value; }); }); 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.extendDeep = function(_base) { return _extendDeep.apply(this, arguments); function _extendDeep(dst) { helpers.each(arguments, function(obj) { if (obj !== dst) { helpers.each(obj, function(value, key) { if (dst[key] && dst[key].constructor && dst[key].constructor === Object) { _extendDeep(dst[key], value); } else { dst[key] = value; } }); } }); return dst; } }; 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 = function(arrayToSearch, item) { if (Array.prototype.indexOf) { return arrayToSearch.indexOf(item); } else { for (var i = 0; i < arrayToSearch.length; i++) { if (arrayToSearch[i] === item) return i; } return -1; } }; helpers.where = function(collection, filterCallback) { if (helpers.isArray(collection) && Array.prototype.filter) { return collection.filter(filterCallback); } else { var filtered = []; helpers.each(collection, function(item) { if (filterCallback(item)) { filtered.push(item); } }); return filtered; } }; helpers.findIndex = function(arrayToSearch, callback, thisArg) { var index = -1; if (Array.prototype.findIndex) { index = arrayToSearch.findIndex(callback, thisArg); } else { for (var i = 0; i < arrayToSearch.length; ++i) { thisArg = thisArg !== undefined ? thisArg : arrayToSearch; if (callback.call(thisArg, arrayToSearch[i], i, arrayToSearch)) { index = i; break; } } } return index; }; 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 parent = this; var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function() { return parent.apply(this, arguments); }; var Surrogate = function() { this.constructor = ChartElement; }; Surrogate.prototype = parent.prototype; ChartElement.prototype = new Surrogate(); ChartElement.extend = helpers.inherits; if (extensions) { helpers.extend(ChartElement.prototype, extensions); } ChartElement.__super__ = parent.prototype; return ChartElement; }; helpers.noop = function() {}; helpers.uid = (function() { var id = 0; return function() { return id++; }; })(); helpers.warn = function(str) { //Method for warning of errors if (console && typeof console.warn === "function") { console.warn(str); } }; //-- 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); } else { return max; } }, Number.NEGATIVE_INFINITY); }; helpers.min = function(array) { return array.reduce(function(min, value) { if (!isNaN(value)) { return Math.min(min, value); } else { return min; } }, Number.POSITIVE_INFINITY); }; helpers.sign = function(x) { if (Math.sign) { return Math.sign(x); } else { x = +x; // convert to a number if (x === 0 || isNaN(x)) { return x; } return x > 0 ? 1 : -1; } }; helpers.log10 = function(x) { if (Math.log10) { return Math.log10(x); } else { 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.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); } else { return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375); } }, easeInOutBounce: function(t) { if (t < 1 / 2) { return easingEffects.easeInBounce(t * 2) * 0.5; } return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5; } }; //Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ 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 padding = parseInt(helpers.getStyle(container, 'padding-left')) + parseInt(helpers.getStyle(container, 'padding-right')); var w = container.clientWidth - padding; var cw = helpers.getConstraintWidth(domNode); return isNaN(cw)? w : Math.min(w, cw); }; helpers.getMaximumHeight = function(domNode) { var container = domNode.parentNode; var padding = parseInt(helpers.getStyle(container, 'padding-top')) + parseInt(helpers.getStyle(container, 'padding-bottom')); var h = container.clientHeight - padding; 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, arrayOfStrings, 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(arrayOfStrings, function(string) { // Undefined strings should not be measured if (string !== undefined && string !== null) { var textWidth = data[string]; if (!textWidth) { textWidth = data[string] = ctx.measureText(string).width; gc.push(string); } if (textWidth > longest) { longest = textWidth; } } }); var gcLen = gc.length / 2; if (gcLen > arrayOfStrings.length) { for (var i = 0; i < gcLen; i++) { delete data[gc[i]]; } gc.splice(0, gcLen); } return longest; }; 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.log('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 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) { 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 = function(obj) { if (!Array.isArray) { return Object.prototype.toString.call(obj) === '[object Array]'; } return Array.isArray(obj); }; //! @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.pushAllIfDefined = function(element, array) { if (typeof element === "undefined") { return; } if (helpers.isArray(element)) { array.push.apply(array, element); } else { array.push(element); } }; helpers.callCallback = function(fn, args, _tArg) { if (fn && typeof fn.call === 'function') { fn.apply(_tArg, args); } }; helpers.getHoverColor = function(color) { /* global CanvasPattern */ return (color instanceof CanvasPattern) ? color : helpers.color(color).saturate(0.5).darken(0.1).rgbString(); }; }; },{"chartjs-color":3}],26:[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) { this.config = config; // Support a jQuery'd canvas element if (context.length && context[0].getContext) { context = context[0]; } // Support a canvas domnode if (context.getContext) { context = context.getContext("2d"); } this.ctx = context; this.canvas = context.canvas; // Figure out what the size of the chart will be. // If the canvas has a specified width and height, we use those else // we look to see if the canvas node has a CSS width and height. // If there is still no height, fill the parent container this.width = context.canvas.width || parseInt(Chart.helpers.getStyle(context.canvas, 'width')) || Chart.helpers.getMaximumWidth(context.canvas); this.height = context.canvas.height || parseInt(Chart.helpers.getStyle(context.canvas, 'height')) || Chart.helpers.getMaximumHeight(context.canvas); this.aspectRatio = this.width / this.height; if (isNaN(this.aspectRatio) || isFinite(this.aspectRatio) === false) { // If the canvas has no size, try and figure out what the aspect ratio will be. // Some charts prefer square canvases (pie, radar, etc). If that is specified, use that // else use the canvas default ratio of 2 this.aspectRatio = config.aspectRatio !== undefined ? config.aspectRatio : 2; } // Store the original style of the element so we can set it back this.originalCanvasStyleWidth = context.canvas.style.width; this.originalCanvasStyleHeight = context.canvas.style.height; // High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale. Chart.helpers.retinaScale(this); if (config) { this.controller = new Chart.Controller(this); } // Always bind this so that if the responsive state changes we still work var _this = this; Chart.helpers.addResizeListener(context.canvas.parentNode, function() { if (_this.controller && _this.controller.config.options.responsive) { _this.controller.resize(); } }); return this.controller ? this.controller : this; }; //Globally expose the defaults to allow for user updating/changing Chart.defaults = { global: { responsive: true, responsiveAnimationDuration: 0, maintainAspectRatio: true, events: ["mousemove", "mouseout", "click", "touchstart", "touchmove"], hover: { onHover: null, mode: 'single', animationDuration: 400 }, onClick: null, defaultColor: 'rgba(0,0,0,0.1)', 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(""); } } }; return Chart; }; },{}],27:[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 = []; helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); function getMinimumBoxSize(box) { var minSize; var isHorizontal = box.isHorizontal(); if (isHorizontal) { minSize = box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); maxChartAreaHeight -= minSize.height; } else { minSize = box.update(verticalBoxWidth, chartAreaHeight); maxChartAreaWidth -= minSize.width; } minBoxSizes.push({ horizontal: isHorizontal, minSize: minSize, box: box }); } // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could // be if the axes are drawn at their minimum sizes. // Steps 5 & 6 var totalLeftBoxesWidth = xPadding; var totalRightBoxesWidth = xPadding; var totalTopBoxesHeight = yPadding; var totalBottomBoxesHeight = yPadding; // Update, and calculate the left and right margins for the horizontal boxes helpers.each(leftBoxes.concat(rightBoxes), fitBox); helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); // Set the Left and Right margins for the horizontal boxes helpers.each(topBoxes.concat(bottomBoxes), fitBox); // Function to fit a box function fitBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) { return minBoxSize.box === box; }); if (minBoxSize) { if (box.isHorizontal()) { var scaleMargin = { left: totalLeftBoxesWidth, right: totalRightBoxesWidth, top: 0, bottom: 0 }; // 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); } } } // Figure out how much margin is on the top and bottom of the vertical boxes helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); // Let the left layout know the final margin helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); function finalFitVerticalBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) { return minBoxSize.box === box; }); var scaleMargin = { left: 0, right: 0, top: totalTopBoxesHeight, bottom: totalBottomBoxesHeight }; if (minBoxSize) { box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); } } // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) totalLeftBoxesWidth = xPadding; totalRightBoxesWidth = xPadding; totalTopBoxesHeight = yPadding; totalBottomBoxesHeight = yPadding; helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); // Figure out if our chart area changed. This would occur if the dataset layout label rotation // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do // without calling `fit` again var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight; var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth; if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { helpers.each(leftBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(rightBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(topBoxes, function(box) { 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; var right = 0; var bottom = 0; helpers.each(leftBoxes.concat(topBoxes), placeBox); // Account for chart width and height left += maxChartAreaWidth; top += maxChartAreaHeight; helpers.each(rightBoxes, placeBox); helpers.each(bottomBoxes, placeBox); function placeBox(box) { if (box.isHorizontal()) { box.left = box.options.fullWidth ? xPadding : totalLeftBoxesWidth; box.right = box.options.fullWidth ? width - xPadding : totalLeftBoxesWidth + maxChartAreaWidth; box.top = top; box.bottom = top + box.height; // Move to next point top = box.bottom; } else { box.left = left; box.right = left + box.width; box.top = totalTopBoxesHeight; box.bottom = totalTopBoxesHeight + maxChartAreaHeight; // Move to next point left = box.right; } } // Step 8 chartInstance.chartArea = { left: totalLeftBoxesWidth, top: totalTopBoxesHeight, right: totalLeftBoxesWidth + maxChartAreaWidth, bottom: totalTopBoxesHeight + maxChartAreaHeight }; // Step 9 helpers.each(chartAreaBoxes, function(box) { box.left = chartInstance.chartArea.left; box.top = chartInstance.chartArea.top; box.right = chartInstance.chartArea.right; box.bottom = chartInstance.chartArea.bottom; box.update(maxChartAreaWidth, maxChartAreaHeight); }); } }; }; },{}],28:[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(); }, 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: dataset.backgroundColor, hidden: !chart.isDatasetVisible(i), lineCap: dataset.borderCapStyle, lineDash: dataset.borderDash, lineDashOffset: dataset.borderDashOffset, lineJoin: dataset.borderJoinStyle, lineWidth: dataset.borderWidth, strokeStyle: dataset.borderColor, // Below is extra data used for toggling the datasets datasetIndex: i }; }, this) : []; } } }; Chart.Legend = Chart.Element.extend({ initialize: function(config) { helpers.extend(this, config); // Contains hit boxes for each dataset (in dataset order) this.legendHitBoxes = []; // Are we in doughnut mode which has a different data type this.doughnutMode = false; }, // These methods are ordered by lifecyle. Utilities then follow. // Any function defined here is inherited by all legend types. // Any function can be extended by the legend type beforeUpdate: noop, update: function(maxWidth, maxHeight, margins) { // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) this.beforeUpdate(); // Absorb the master measurements this.maxWidth = maxWidth; this.maxHeight = maxHeight; this.margins = margins; // Dimensions this.beforeSetDimensions(); this.setDimensions(); this.afterSetDimensions(); // Labels this.beforeBuildLabels(); this.buildLabels(); this.afterBuildLabels(); // Fit this.beforeFit(); this.fit(); this.afterFit(); // this.afterUpdate(); return this.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { // Set the unconstrained dimension before label rotation if (this.isHorizontal()) { // Reset position before calculating rotation this.width = this.maxWidth; this.left = 0; this.right = this.width; } else { this.height = this.maxHeight; // Reset position before calculating rotation this.top = 0; this.bottom = this.height; } // Reset padding this.paddingLeft = 0; this.paddingTop = 0; this.paddingRight = 0; this.paddingBottom = 0; // Reset minSize this.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: function() { this.legendItems = this.options.labels.generateLabels.call(this, this.chart); if(this.options.reverse){ this.legendItems.reverse(); } }, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var opts = this.options; var labelOpts = opts.labels; var display = opts.display; var ctx = this.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 = this.legendHitBoxes = []; var minSize = this.minSize; var isHorizontal = this.isHorizontal(); if (isHorizontal) { minSize.width = this.maxWidth; // fill all the width minSize.height = display ? 10 : 0; } else { minSize.width = display ? 10 : 0; minSize.height = this.maxHeight; // fill all the height } // Increase sizes here if (display) { 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 = this.lineWidths = [0]; var totalHeight = this.legendItems.length ? fontSize + (labelOpts.padding) : 0; ctx.textAlign = "left"; ctx.textBaseline = 'top'; ctx.font = labelFont; helpers.each(this.legendItems, function(legendItem, i) { var width = labelOpts.boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= this.width) { totalHeight += fontSize + (labelOpts.padding); lineWidths[lineWidths.length] = this.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; }, this); minSize.height += totalHeight; } else { // TODO vertical } } this.width = minSize.width; this.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 opts = this.options; var labelOpts = opts.labels; var globalDefault = Chart.defaults.global, lineDefault = globalDefault.elements.line, legendWidth = this.width, lineWidths = this.lineWidths; if (opts.display) { var ctx = this.ctx, cursor = { x: this.left + ((legendWidth - lineWidths[0]) / 2), y: this.top + labelOpts.padding, line: 0 }, 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); // Horizontal if (this.isHorizontal()) { // Labels 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 = this.legendHitBoxes; helpers.each(this.legendItems, function(legendItem, i) { var textWidth = ctx.measureText(legendItem.text).width, width = boxWidth + (fontSize / 2) + textWidth, x = cursor.x, y = cursor.y; if (x + width >= legendWidth) { y = cursor.y += fontSize + (labelOpts.padding); cursor.line++; x = cursor.x = this.left + ((legendWidth - lineWidths[cursor.line]) / 2); } // 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); if (ctx.setLineDash) { // IE 9 and 10 do not support line dash ctx.setLineDash(itemOrDefault(legendItem.lineDash, lineDefault.borderDash)); } // Draw the box ctx.strokeRect(x, y, boxWidth, fontSize); ctx.fillRect(x, y, boxWidth, fontSize); ctx.restore(); hitboxes[i].left = x; hitboxes[i].top = y; // Fill the actual label 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(); } cursor.x += width + (labelOpts.padding); }, this); } else { } } }, // Handle an event handleEvent: function(e) { var position = helpers.getRelativePosition(e, this.chart.chart), x = position.x, y = position.y, opts = this.options; if (x >= this.left && x <= this.right && y >= this.top && y <= this.bottom) { // See if we are touching one of the dataset boxes var lh = this.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 (opts.onClick) { opts.onClick.call(this, e, this.legendItems[i]); } break; } } } } }); }; },{}],29:[function(require,module,exports){ "use strict"; module.exports = function(Chart) { var helpers = Chart.helpers; // Plugins are stored here Chart.plugins = []; Chart.pluginService = { // Register a new plugin register: function(plugin) { var p = Chart.plugins; if (p.indexOf(plugin) === -1) { p.push(plugin); } }, // Remove a registered plugin remove: function(plugin) { var p = Chart.plugins; var idx = p.indexOf(plugin); if (idx !== -1) { p.splice(idx, 1); } }, // Iterate over all plugins notifyPlugins: function(method, args, scope) { helpers.each(Chart.plugins, function(plugin) { if (plugin[method] && typeof plugin[method] === 'function') { plugin[method].apply(scope, args); } }, scope); } }; var noop = helpers.noop; Chart.PluginBase = Chart.Element.extend({ // Plugin methods. All functions are passed the chart instance // 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 }); }; },{}],30:[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 }, // 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, callback: function(value) { return '' + value; } } }; Chart.Scale = Chart.Element.extend({ // These methods are ordered by lifecyle. Utilities then follow. // Any function defined here is inherited by all scale types. // Any function can be extended by the scale type beforeUpdate: function() { helpers.callCallback(this.options.beforeUpdate, [this]); }, update: function(maxWidth, maxHeight, margins) { // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) this.beforeUpdate(); // Absorb the master measurements this.maxWidth = maxWidth; this.maxHeight = maxHeight; this.margins = helpers.extend({ left: 0, right: 0, top: 0, bottom: 0 }, margins); // Dimensions this.beforeSetDimensions(); this.setDimensions(); this.afterSetDimensions(); // Data min/max this.beforeDataLimits(); this.determineDataLimits(); this.afterDataLimits(); // Ticks this.beforeBuildTicks(); this.buildTicks(); this.afterBuildTicks(); this.beforeTickToLabelConversion(); this.convertTicksToLabels(); this.afterTickToLabelConversion(); // Tick Rotation this.beforeCalculateTickRotation(); this.calculateTickRotation(); this.afterCalculateTickRotation(); // Fit this.beforeFit(); this.fit(); this.afterFit(); // this.afterUpdate(); return this.minSize; }, afterUpdate: function() { helpers.callCallback(this.options.afterUpdate, [this]); }, // beforeSetDimensions: function() { helpers.callCallback(this.options.beforeSetDimensions, [this]); }, setDimensions: function() { // Set the unconstrained dimension before label rotation if (this.isHorizontal()) { // Reset position before calculating rotation this.width = this.maxWidth; this.left = 0; this.right = this.width; } else { this.height = this.maxHeight; // Reset position before calculating rotation this.top = 0; this.bottom = this.height; } // Reset padding this.paddingLeft = 0; this.paddingTop = 0; this.paddingRight = 0; this.paddingBottom = 0; }, afterSetDimensions: function() { helpers.callCallback(this.options.afterSetDimensions, [this]); }, // Data limits beforeDataLimits: function() { helpers.callCallback(this.options.beforeDataLimits, [this]); }, determineDataLimits: helpers.noop, afterDataLimits: function() { helpers.callCallback(this.options.afterDataLimits, [this]); }, // beforeBuildTicks: function() { helpers.callCallback(this.options.beforeBuildTicks, [this]); }, buildTicks: helpers.noop, afterBuildTicks: function() { helpers.callCallback(this.options.afterBuildTicks, [this]); }, beforeTickToLabelConversion: function() { helpers.callCallback(this.options.beforeTickToLabelConversion, [this]); }, convertTicksToLabels: function() { // Convert ticks to strings this.ticks = this.ticks.map(function(numericalTick, index, ticks) { if (this.options.ticks.userCallback) { return this.options.ticks.userCallback(numericalTick, index, ticks); } return this.options.ticks.callback(numericalTick, index, ticks); }, this); }, afterTickToLabelConversion: function() { helpers.callCallback(this.options.afterTickToLabelConversion, [this]); }, // beforeCalculateTickRotation: function() { helpers.callCallback(this.options.beforeCalculateTickRotation, [this]); }, calculateTickRotation: function() { var context = this.ctx; var globalDefaults = Chart.defaults.global; var optionTicks = this.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(this.ticks[0]).width; var lastWidth = context.measureText(this.ticks[this.ticks.length - 1]).width; var firstRotated; this.labelRotation = optionTicks.minRotation || 0; this.paddingRight = 0; this.paddingLeft = 0; if (this.options.display) { if (this.isHorizontal()) { this.paddingRight = lastWidth / 2 + 3; this.paddingLeft = firstWidth / 2 + 3; if (!this.longestTextCache) { this.longestTextCache = {}; } var originalLabelWidth = helpers.longestText(context, tickLabelFont, this.ticks, this.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 = this.getPixelForTick(1) - this.getPixelForTick(0) - 6; //Max label rotation can be set or default to 90 - also act as a loop counter while (labelWidth > tickWidth && this.labelRotation < optionTicks.maxRotation) { cosRotation = Math.cos(helpers.toRadians(this.labelRotation)); sinRotation = Math.sin(helpers.toRadians(this.labelRotation)); firstRotated = cosRotation * firstWidth; // We're right aligning the text now. if (firstRotated + tickFontSize / 2 > this.yLabelWidth) { this.paddingLeft = firstRotated + tickFontSize / 2; } this.paddingRight = tickFontSize / 2; if (sinRotation * originalLabelWidth > this.maxHeight) { // go back one step this.labelRotation--; break; } this.labelRotation++; labelWidth = cosRotation * originalLabelWidth; } } } if (this.margins) { this.paddingLeft = Math.max(this.paddingLeft - this.margins.left, 0); this.paddingRight = Math.max(this.paddingRight - this.margins.right, 0); } }, afterCalculateTickRotation: function() { helpers.callCallback(this.options.afterCalculateTickRotation, [this]); }, // beforeFit: function() { helpers.callCallback(this.options.beforeFit, [this]); }, fit: function() { // Reset var minSize = this.minSize = { width: 0, height: 0 }; var opts = this.options; var globalDefaults = Chart.defaults.global; var tickOpts = opts.ticks; var scaleLabelOpts = opts.scaleLabel; var display = opts.display; var isHorizontal = this.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 scaleLabelFontStyle = helpers.getValueOrDefault(scaleLabelOpts.fontStyle, globalDefaults.defaultFontStyle); var scaleLabelFontFamily = helpers.getValueOrDefault(scaleLabelOpts.fontFamily, globalDefaults.defaultFontFamily); var scaleLabelFont = helpers.fontString(scaleLabelFontSize, scaleLabelFontStyle, scaleLabelFontFamily); 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 = this.isFullWidth() ? this.maxWidth - this.margins.left - this.margins.right : this.maxWidth; } else { minSize.width = display ? tickMarkLength : 0; } // height if (isHorizontal) { minSize.height = display ? tickMarkLength : 0; } else { minSize.height = this.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 (!this.longestTextCache) { this.longestTextCache = {}; } var largestTextWidth = helpers.longestText(this.ctx, tickLabelFont, this.ticks, this.longestTextCache); if (isHorizontal) { // A horizontal axis is more constrained by the height. this.longestLabelWidth = largestTextWidth; // TODO - improve this calculation var labelHeight = (Math.sin(helpers.toRadians(this.labelRotation)) * this.longestLabelWidth) + 1.5 * tickFontSize; minSize.height = Math.min(this.maxHeight, minSize.height + labelHeight); this.ctx.font = tickLabelFont; var firstLabelWidth = this.ctx.measureText(this.ticks[0]).width; var lastLabelWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width; // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned which means that the right padding is dominated // by the font height var cosRotation = Math.cos(helpers.toRadians(this.labelRotation)); var sinRotation = Math.sin(helpers.toRadians(this.labelRotation)); this.paddingLeft = this.labelRotation !== 0 ? (cosRotation * firstLabelWidth) + 3 : firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges this.paddingRight = this.labelRotation !== 0 ? (sinRotation * (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 = this.maxWidth - minSize.width; // Account for padding var mirror = tickOpts.mirror; if (!mirror) { largestTextWidth += this.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 = this.maxWidth; } this.paddingTop = tickFontSize / 2; this.paddingBottom = tickFontSize / 2; } } if (this.margins) { this.paddingLeft = Math.max(this.paddingLeft - this.margins.left, 0); this.paddingTop = Math.max(this.paddingTop - this.margins.top, 0); this.paddingRight = Math.max(this.paddingRight - this.margins.right, 0); this.paddingBottom = Math.max(this.paddingBottom - this.margins.bottom, 0); } this.width = minSize.width; this.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 getRightValue(rawValue) { // Null and undefined values first if (rawValue === null || typeof(rawValue) === 'undefined') { return NaN; } // isNaN(object) returns true, so make sure NaN is checking for a number if (typeof(rawValue) === 'number' && isNaN(rawValue)) { return NaN; } // If it is in fact an object, dive in one more level if (typeof(rawValue) === "object") { if ((rawValue instanceof Date) || (rawValue.isValid)) { return rawValue; } else { return getRightValue(this.isHorizontal() ? rawValue.x : rawValue.y); } } // Value is good, return it return rawValue; }, // Used to get the value to display in the tooltip for the data at the given index // function getLabelForIndex(index, datasetIndex) getLabelForIndex: helpers.noop, // Used to get data value locations. Value can either be an index or a numerical value getPixelForValue: helpers.noop, // Used 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) { if (this.isHorizontal()) { var innerWidth = this.width - (this.paddingLeft + this.paddingRight); var tickWidth = innerWidth / Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var pixel = (tickWidth * index) + this.paddingLeft; if (includeOffset) { pixel += tickWidth / 2; } var finalVal = this.left + Math.round(pixel); finalVal += this.isFullWidth() ? this.margins.left : 0; return finalVal; } else { var innerHeight = this.height - (this.paddingTop + this.paddingBottom); return this.top + (index * (innerHeight / (this.ticks.length - 1))); } }, // Utility for getting the pixel location of a percentage of scale getPixelForDecimal: function(decimal /*, includeOffset*/ ) { if (this.isHorizontal()) { var innerWidth = this.width - (this.paddingLeft + this.paddingRight); var valueOffset = (innerWidth * decimal) + this.paddingLeft; var finalVal = this.left + Math.round(valueOffset); finalVal += this.isFullWidth() ? this.margins.left : 0; return finalVal; } else { return this.top + (decimal * this.height); } }, 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 options = this.options; if (!options.display) { return; } var context = this.ctx; var globalDefaults = Chart.defaults.global; var optionTicks = options.ticks; var gridLines = options.gridLines; var scaleLabel = options.scaleLabel; var setContextLineSettings; var isRotated = this.labelRotation !== 0; var skipRatio; var scaleLabelX; var scaleLabelY; var useAutoskipper = optionTicks.autoSkip; // 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 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(this.labelRotation); var cosRotation = Math.cos(labelRotationRadians); var sinRotation = Math.sin(labelRotationRadians); var longestRotatedLabel = this.longestLabelWidth * cosRotation; var rotatedLabelHeight = tickFontSize * sinRotation; // Make sure we draw text in the correct color and font context.fillStyle = tickFontColor; if (this.isHorizontal()) { setContextLineSettings = true; var yTickStart = options.position === "bottom" ? this.top : this.bottom - tl; var yTickEnd = options.position === "bottom" ? this.top + tl : this.bottom; 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) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) { skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight))); } // if they defined a max number of optionTicks, // increase skipRatio until that number is met if (maxTicks && this.ticks.length > maxTicks) { while (!skipRatio || this.ticks.length / (skipRatio || 1) > maxTicks) { if (!skipRatio) { skipRatio = 1; } skipRatio += 1; } } if (!useAutoskipper) { skipRatio = false; } helpers.each(this.ticks, function (label, index) { // Blank optionTicks var isLastTick = this.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 >= this.ticks.length); if (shouldSkip && !isLastTick || (label === undefined || label === null)) { return; } var xLineValue = this.getPixelForTick(index); // xvalues for grid lines var xLabelValue = this.getPixelForTick(index, gridLines.offsetGridLines); // x values for optionTicks (need to consider offsetLabel option) if (gridLines.display) { if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) { // Draw the first index specially context.lineWidth = gridLines.zeroLineWidth; context.strokeStyle = gridLines.zeroLineColor; setContextLineSettings = true; // reset next time } else if (setContextLineSettings) { context.lineWidth = gridLines.lineWidth; context.strokeStyle = gridLines.color; setContextLineSettings = false; } xLineValue += helpers.aliasPixel(context.lineWidth); // Draw the label area context.beginPath(); if (gridLines.drawTicks) { context.moveTo(xLineValue, yTickStart); context.lineTo(xLineValue, yTickEnd); } // Draw the chart area if (gridLines.drawOnChartArea) { context.moveTo(xLineValue, chartArea.top); context.lineTo(xLineValue, chartArea.bottom); } // Need to stroke in the loop because we are potentially changing line widths & colours context.stroke(); } if (optionTicks.display) { context.save(); context.translate(xLabelValue + optionTicks.labelOffset, (isRotated) ? this.top + 12 : options.position === "top" ? this.bottom - tl : this.top + tl); context.rotate(labelRotationRadians * -1); context.font = tickLabelFont; context.textAlign = (isRotated) ? "right" : "center"; context.textBaseline = (isRotated) ? "middle" : options.position === "top" ? "bottom" : "top"; context.fillText(label, 0, 0); context.restore(); } }, this); if (scaleLabel.display) { // Draw the scale label context.textAlign = "center"; context.textBaseline = 'middle'; context.fillStyle = scaleLabelFontColor; // render in correct colour context.font = scaleLabelFont; scaleLabelX = this.left + ((this.right - this.left) / 2); // midpoint of the width scaleLabelY = options.position === 'bottom' ? this.bottom - (scaleLabelFontSize / 2) : this.top + (scaleLabelFontSize / 2); context.fillText(scaleLabel.labelString, scaleLabelX, scaleLabelY); } } else { setContextLineSettings = true; var xTickStart = options.position === "right" ? this.left : this.right - 5; var xTickEnd = options.position === "right" ? this.left + 5 : this.right; helpers.each(this.ticks, function (label, index) { // If the callback returned a null or undefined value, do not draw this line if (label === undefined || label === null) { return; } var yLineValue = this.getPixelForTick(index); // xvalues for grid lines if (gridLines.display) { if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) { // Draw the first index specially context.lineWidth = gridLines.zeroLineWidth; context.strokeStyle = gridLines.zeroLineColor; setContextLineSettings = true; // reset next time } else if (setContextLineSettings) { context.lineWidth = gridLines.lineWidth; context.strokeStyle = gridLines.color; setContextLineSettings = false; } yLineValue += helpers.aliasPixel(context.lineWidth); // Draw the label area context.beginPath(); if (gridLines.drawTicks) { context.moveTo(xTickStart, yLineValue); context.lineTo(xTickEnd, yLineValue); } // Draw the chart area if (gridLines.drawOnChartArea) { context.moveTo(chartArea.left, yLineValue); context.lineTo(chartArea.right, yLineValue); } // Need to stroke in the loop because we are potentially changing line widths & colours context.stroke(); } if (optionTicks.display) { var xLabelValue; var yLabelValue = this.getPixelForTick(index, gridLines.offsetGridLines); // x values for optionTicks (need to consider offsetLabel option) context.save(); if (options.position === "left") { if (optionTicks.mirror) { xLabelValue = this.right + optionTicks.padding; context.textAlign = "left"; } else { xLabelValue = this.right - optionTicks.padding; context.textAlign = "right"; } } else { // right side if (optionTicks.mirror) { xLabelValue = this.left - optionTicks.padding; context.textAlign = "right"; } else { xLabelValue = this.left + optionTicks.padding; context.textAlign = "left"; } } context.translate(xLabelValue, yLabelValue + optionTicks.labelOffset); context.rotate(labelRotationRadians * -1); context.font = tickLabelFont; context.textBaseline = "middle"; context.fillText(label, 0, 0); context.restore(); } }, this); if (scaleLabel.display) { // Draw the scale label scaleLabelX = options.position === 'left' ? this.left + (scaleLabelFontSize / 2) : this.right - (scaleLabelFontSize / 2); scaleLabelY = this.top + ((this.bottom - this.top) / 2); var rotation = options.position === 'left' ? -0.5 * Math.PI : 0.5 * Math.PI; context.save(); context.translate(scaleLabelX, scaleLabelY); context.rotate(rotation); context.textAlign = "center"; context.fillStyle = scaleLabelFontColor; // render in correct colour context.font = scaleLabelFont; context.textBaseline = 'middle'; context.fillText(scaleLabel.labelString, 0, 0); context.restore(); } } if (gridLines.drawBorder) { // Draw the line at the edge of the axis context.lineWidth = gridLines.lineWidth; context.strokeStyle = gridLines.color; var x1 = this.left, x2 = this.right, y1 = this.top, y2 = this.bottom; var aliasPixel = helpers.aliasPixel(context.lineWidth); if (this.isHorizontal()) { y1 = y2 = options.position === 'top' ? this.bottom : this.top; y1 += aliasPixel; y2 += aliasPixel; } else { x1 = x2 = options.position === 'left' ? this.right : this.left; x1 += aliasPixel; x2 += aliasPixel; } context.beginPath(); context.moveTo(x1, y1); context.lineTo(x2, y2); context.stroke(); } } }); }; },{}],31:[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); }); } }; }; },{}],32:[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) { helpers.extend(this, config); this.options = helpers.configMerge(Chart.defaults.global.title, config.options); // Contains hit boxes for each dataset (in dataset order) this.legendHitBoxes = []; }, // These methods are ordered by lifecyle. Utilities then follow. beforeUpdate: noop, update: function(maxWidth, maxHeight, margins) { // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) this.beforeUpdate(); // Absorb the master measurements this.maxWidth = maxWidth; this.maxHeight = maxHeight; this.margins = margins; // Dimensions this.beforeSetDimensions(); this.setDimensions(); this.afterSetDimensions(); // Labels this.beforeBuildLabels(); this.buildLabels(); this.afterBuildLabels(); // Fit this.beforeFit(); this.fit(); this.afterFit(); // this.afterUpdate(); return this.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { // Set the unconstrained dimension before label rotation if (this.isHorizontal()) { // Reset position before calculating rotation this.width = this.maxWidth; this.left = 0; this.right = this.width; } else { this.height = this.maxHeight; // Reset position before calculating rotation this.top = 0; this.bottom = this.height; } // Reset padding this.paddingLeft = 0; this.paddingTop = 0; this.paddingRight = 0; this.paddingBottom = 0; // Reset minSize this.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: noop, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var _this = this, ctx = _this.ctx, valueOrDefault = helpers.getValueOrDefault, opts = _this.options, globalDefaults = Chart.defaults.global, display = opts.display, fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize), minSize = _this.minSize; if (_this.isHorizontal()) { minSize.width = _this.maxWidth; // fill all the width minSize.height = display ? fontSize + (opts.padding * 2) : 0; } else { minSize.width = display ? fontSize + (opts.padding * 2) : 0; minSize.height = _this.maxHeight; // fill all the height } _this.width = minSize.width; _this.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 _this = this, ctx = _this.ctx, valueOrDefault = helpers.getValueOrDefault, opts = _this.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 = _this.top, left = _this.left, bottom = _this.bottom, right = _this.right; ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour ctx.font = titleFont; // Horizontal if (_this.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(); } } }); }; },{}],33:[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, titleColor: "#fff", titleAlign: "left", bodySpacing: 2, bodyColor: "#fff", bodyAlign: "left", footerFontStyle: "bold", footerSpacing: 2, footerMarginTop: 6, footerColor: "#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 = ''; if (tooltipItems.length > 0) { if (tooltipItems[0].xLabel) { title = tooltipItems[0].xLabel; } else if (data.labels.length > 0 && tooltipItems[0].index < data.labels.length) { title = data.labels[tooltipItems[0].index]; } } return title; }, afterTitle: helpers.noop, // Args are: (tooltipItems, data) beforeBody: helpers.noop, // Args are: (tooltipItem, data) beforeLabel: helpers.noop, label: function(tooltipItem, data) { var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; return datasetLabel + ': ' + tooltipItem.yLabel; }, afterLabel: helpers.noop, // Args are: (tooltipItems, data) afterBody: helpers.noop, // Args are: (tooltipItems, data) beforeFooter: helpers.noop, footer: helpers.noop, afterFooter: helpers.noop } }; // Helper to push or concat based on if the 2nd parameter is an array or not function pushOrConcat(base, toPush) { if (toPush) { if (helpers.isArray(toPush)) { base = base.concat(toPush); } else { base.push(toPush); } } return base; } Chart.Tooltip = Chart.Element.extend({ initialize: function() { var globalDefaults = Chart.defaults.global; var options = this._options; var tooltips = options.tooltips; helpers.extend(this, { _model: { // Positioning xPadding: tooltips.xPadding, yPadding: tooltips.yPadding, xAlign : tooltips.yAlign, yAlign : tooltips.xAlign, // Body bodyColor: tooltips.bodyColor, _bodyFontFamily: helpers.getValueOrDefault(tooltips.bodyFontFamily, globalDefaults.defaultFontFamily), _bodyFontStyle: helpers.getValueOrDefault(tooltips.bodyFontStyle, globalDefaults.defaultFontStyle), _bodyAlign: tooltips.bodyAlign, bodyFontSize: helpers.getValueOrDefault(tooltips.bodyFontSize, globalDefaults.defaultFontSize), bodySpacing: tooltips.bodySpacing, // Title titleColor: tooltips.titleColor, _titleFontFamily: helpers.getValueOrDefault(tooltips.titleFontFamily, globalDefaults.defaultFontFamily), _titleFontStyle: helpers.getValueOrDefault(tooltips.titleFontStyle, globalDefaults.defaultFontStyle), titleFontSize: helpers.getValueOrDefault(tooltips.titleFontSize, globalDefaults.defaultFontSize), _titleAlign: tooltips.titleAlign, titleSpacing: tooltips.titleSpacing, titleMarginBottom: tooltips.titleMarginBottom, // Footer footerColor: tooltips.footerColor, _footerFontFamily: helpers.getValueOrDefault(tooltips.footerFontFamily, globalDefaults.defaultFontFamily), _footerFontStyle: helpers.getValueOrDefault(tooltips.footerFontStyle, globalDefaults.defaultFontStyle), footerFontSize: helpers.getValueOrDefault(tooltips.footerFontSize, globalDefaults.defaultFontSize), _footerAlign: tooltips.footerAlign, footerSpacing: tooltips.footerSpacing, footerMarginTop: tooltips.footerMarginTop, // Appearance caretSize: tooltips.caretSize, cornerRadius: tooltips.cornerRadius, backgroundColor: tooltips.backgroundColor, opacity: 0, legendColorBackground: tooltips.multiKeyBackground } }); }, // Get the title // Args are: (tooltipItem, data) getTitle: function() { var beforeTitle = this._options.tooltips.callbacks.beforeTitle.apply(this, arguments), title = this._options.tooltips.callbacks.title.apply(this, arguments), afterTitle = this._options.tooltips.callbacks.afterTitle.apply(this, arguments); var lines = []; lines = pushOrConcat(lines, beforeTitle); lines = pushOrConcat(lines, title); lines = pushOrConcat(lines, afterTitle); return lines; }, // Args are: (tooltipItem, data) getBeforeBody: function() { var lines = this._options.tooltips.callbacks.beforeBody.apply(this, arguments); return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; }, // Args are: (tooltipItem, data) getBody: function(tooltipItems, data) { var lines = []; helpers.each(tooltipItems, function(bodyItem) { helpers.pushAllIfDefined(this._options.tooltips.callbacks.beforeLabel.call(this, bodyItem, data), lines); helpers.pushAllIfDefined(this._options.tooltips.callbacks.label.call(this, bodyItem, data), lines); helpers.pushAllIfDefined(this._options.tooltips.callbacks.afterLabel.call(this, bodyItem, data), lines); }, this); return lines; }, // Args are: (tooltipItem, data) getAfterBody: function() { var lines = this._options.tooltips.callbacks.afterBody.apply(this, arguments); return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; }, // Get the footer and beforeFooter and afterFooter lines // Args are: (tooltipItem, data) getFooter: function() { var beforeFooter = this._options.tooltips.callbacks.beforeFooter.apply(this, arguments); var footer = this._options.tooltips.callbacks.footer.apply(this, arguments); var afterFooter = this._options.tooltips.callbacks.afterFooter.apply(this, arguments); var lines = []; lines = pushOrConcat(lines, beforeFooter); lines = pushOrConcat(lines, footer); lines = pushOrConcat(lines, afterFooter); return lines; }, getAveragePosition: function(elements) { if (!elements.length) { return false; } var xPositions = []; var yPositions = []; helpers.each(elements, function(el) { if (el && el.hasValue()){ var pos = el.tooltipPosition(); xPositions.push(pos.x); yPositions.push(pos.y); } }); var x = 0, y = 0; for (var i = 0; i < xPositions.length; i++) { x += xPositions[i]; y += yPositions[i]; } return { x: Math.round(x / xPositions.length), y: Math.round(y / xPositions.length) }; }, update: function(changed) { if (this._active.length) { this._model.opacity = 1; var element = this._active[0], labelColors = [], tooltipPosition; var tooltipItems = []; if (this._options.tooltips.mode === 'single') { var yScale = element._yScale || element._scale; // handle radar || polarArea charts tooltipItems.push({ xLabel: element._xScale ? element._xScale.getLabelForIndex(element._index, element._datasetIndex) : '', yLabel: yScale ? yScale.getLabelForIndex(element._index, element._datasetIndex) : '', index: element._index, datasetIndex: element._datasetIndex }); tooltipPosition = this.getAveragePosition(this._active); } else { helpers.each(this._data.datasets, function(dataset, datasetIndex) { if (!this._chartInstance.isDatasetVisible(datasetIndex)) { return; } var meta = this._chartInstance.getDatasetMeta(datasetIndex); var currentElement = meta.data[element._index]; if (currentElement) { var yScale = element._yScale || element._scale; // handle radar || polarArea charts tooltipItems.push({ xLabel: currentElement._xScale ? currentElement._xScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '', yLabel: yScale ? yScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '', index: element._index, datasetIndex: datasetIndex }); } }, this); helpers.each(this._active, function(active) { if (active) { labelColors.push({ borderColor: active._view.borderColor, backgroundColor: active._view.backgroundColor }); } }, null); tooltipPosition = this.getAveragePosition(this._active); } // Build the Text Lines helpers.extend(this._model, { title: this.getTitle(tooltipItems, this._data), beforeBody: this.getBeforeBody(tooltipItems, this._data), body: this.getBody(tooltipItems, this._data), afterBody: this.getAfterBody(tooltipItems, this._data), footer: this.getFooter(tooltipItems, this._data) }); helpers.extend(this._model, { x: Math.round(tooltipPosition.x), y: Math.round(tooltipPosition.y), caretPadding: helpers.getValueOrDefault(tooltipPosition.padding, 2), labelColors: labelColors }); // We need to determine alignment of var tooltipSize = this.getTooltipSize(this._model); this.determineAlignment(tooltipSize); // Smart Tooltip placement to stay on the canvas helpers.extend(this._model, this.getBackgroundPoint(this._model, tooltipSize)); } else { this._model.opacity = 0; } if (changed && this._options.tooltips.custom) { this._options.tooltips.custom.call(this, this._model); } return this; }, getTooltipSize: function getTooltipSize(vm) { var ctx = this._chart.ctx; var size = { height: vm.yPadding * 2, // Tooltip Padding width: 0 }; var combinedBodyLength = vm.body.length + vm.beforeBody.length + vm.afterBody.length; size.height += vm.title.length * vm.titleFontSize; // Title Lines size.height += (vm.title.length - 1) * vm.titleSpacing; // Title Line Spacing size.height += vm.title.length ? vm.titleMarginBottom : 0; // Title's bottom Margin size.height += combinedBodyLength * vm.bodyFontSize; // Body Lines size.height += combinedBodyLength ? (combinedBodyLength - 1) * vm.bodySpacing : 0; // Body Line Spacing size.height += vm.footer.length ? vm.footerMarginTop : 0; // Footer Margin size.height += vm.footer.length * (vm.footerFontSize); // Footer Lines size.height += vm.footer.length ? (vm.footer.length - 1) * vm.footerSpacing : 0; // Footer Line Spacing // Width ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily); helpers.each(vm.title, function(line) { size.width = Math.max(size.width, ctx.measureText(line).width); }); ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); helpers.each(vm.beforeBody.concat(vm.afterBody), function(line) { size.width = Math.max(size.width, ctx.measureText(line).width); }); helpers.each(vm.body, function(line) { size.width = Math.max(size.width, ctx.measureText(line).width + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0)); }, this); ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); helpers.each(vm.footer, function(line) { size.width = Math.max(size.width, ctx.measureText(line).width); }); size.width += 2 * vm.xPadding; return size; }, determineAlignment: function determineAlignment(size) { if (this._model.y < size.height) { this._model.yAlign = 'top'; } else if (this._model.y > (this._chart.height - size.height)) { this._model.yAlign = 'bottom'; } var lf, rf; // 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 _this = this; var midX = (this._chartInstance.chartArea.left + this._chartInstance.chartArea.right) / 2; var midY = (this._chartInstance.chartArea.top + this._chartInstance.chartArea.bottom) / 2; if (this._model.yAlign === 'center') { lf = function(x) { return x <= midX; }; rf = function(x) { return x > midX; }; } else { lf = function(x) { return x <= (size.width / 2); }; rf = function(x) { return x >= (_this._chart.width - (size.width / 2)); }; } olf = function(x) { return x + size.width > _this._chart.width; }; orf = function(x) { return x - size.width < 0; }; yf = function(y) { return y <= midY ? 'top' : 'bottom'; }; if (lf(this._model.x)) { this._model.xAlign = 'left'; // Is tooltip too wide and goes over the right side of the chart.? if (olf(this._model.x)) { this._model.xAlign = 'center'; this._model.yAlign = yf(this._model.y); } } else if (rf(this._model.x)) { this._model.xAlign = 'right'; // Is tooltip too wide and goes outside left edge of canvas? if (orf(this._model.x)) { this._model.xAlign = 'center'; this._model.yAlign = yf(this._model.y); } } }, getBackgroundPoint: function getBackgroundPoint(vm, size) { // Background Position var pt = { x: vm.x, y: vm.y }; if (vm.xAlign === 'right') { pt.x -= size.width; } else if (vm.xAlign === 'center') { pt.x -= (size.width / 2); } if (vm.yAlign === 'top') { pt.y += vm.caretPadding + vm.caretSize; } else if (vm.yAlign === 'bottom') { pt.y -= size.height + vm.caretPadding + vm.caretSize; } else { pt.y -= (size.height / 2); } if (vm.yAlign === 'center') { if (vm.xAlign === 'left') { pt.x += vm.caretPadding + vm.caretSize; } else if (vm.xAlign === 'right') { pt.x -= vm.caretPadding + vm.caretSize; } } else { if (vm.xAlign === 'left') { pt.x -= vm.cornerRadius + vm.caretPadding; } else if (vm.xAlign === 'right') { pt.x += vm.cornerRadius + vm.caretPadding; } } return pt; }, drawCaret: function drawCaret(tooltipPoint, size, opacity, caretPadding) { var vm = this._view; var ctx = this._chart.ctx; var x1, x2, x3; var y1, y2, y3; if (vm.yAlign === 'center') { // Left or right side if (vm.xAlign === 'left') { x1 = tooltipPoint.x; x2 = x1 - vm.caretSize; x3 = x1; } else { x1 = tooltipPoint.x + size.width; x2 = x1 + vm.caretSize; x3 = x1; } y2 = tooltipPoint.y + (size.height / 2); y1 = y2 - vm.caretSize; y3 = y2 + vm.caretSize; } else { if (vm.xAlign === 'left') { x1 = tooltipPoint.x + vm.cornerRadius; x2 = x1 + vm.caretSize; x3 = x2 + vm.caretSize; } else if (vm.xAlign === 'right') { x1 = tooltipPoint.x + size.width - vm.cornerRadius; x2 = x1 - vm.caretSize; x3 = x2 - vm.caretSize; } else { x2 = tooltipPoint.x + (size.width / 2); x1 = x2 - vm.caretSize; x3 = x2 + vm.caretSize; } if (vm.yAlign === 'top') { y1 = tooltipPoint.y; y2 = y1 - vm.caretSize; y3 = y1; } else { y1 = tooltipPoint.y + size.height; y2 = y1 + vm.caretSize; y3 = y1; } } 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 drawTitle(pt, vm, ctx, opacity) { if (vm.title.length) { ctx.textAlign = vm._titleAlign; ctx.textBaseline = "top"; var titleColor = helpers.color(vm.titleColor); ctx.fillStyle = titleColor.alpha(opacity * titleColor.alpha()).rgbString(); ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily); helpers.each(vm.title, function(title, i) { ctx.fillText(title, pt.x, pt.y); pt.y += vm.titleFontSize + vm.titleSpacing; // Line Height and spacing if (i + 1 === vm.title.length) { pt.y += vm.titleMarginBottom - vm.titleSpacing; // If Last, add margin, remove spacing } }); } }, drawBody: function drawBody(pt, vm, ctx, opacity) { ctx.textAlign = vm._bodyAlign; ctx.textBaseline = "top"; var bodyColor = helpers.color(vm.bodyColor); ctx.fillStyle = bodyColor.alpha(opacity * bodyColor.alpha()).rgbString(); ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); // Before Body helpers.each(vm.beforeBody, function(beforeBody) { ctx.fillText(beforeBody, pt.x, pt.y); pt.y += vm.bodyFontSize + vm.bodySpacing; }); helpers.each(vm.body, function(body, i) { // Draw Legend-like boxes if needed if (this._options.tooltips.mode !== 'single') { // Fill a white rect so that colours merge nicely if the opacity is < 1 ctx.fillStyle = helpers.color(vm.legendColorBackground).alpha(opacity).rgbaString(); ctx.fillRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize); // Border ctx.strokeStyle = helpers.color(vm.labelColors[i].borderColor).alpha(opacity).rgbaString(); ctx.strokeRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize); // Inner square ctx.fillStyle = helpers.color(vm.labelColors[i].backgroundColor).alpha(opacity).rgbaString(); ctx.fillRect(pt.x + 1, pt.y + 1, vm.bodyFontSize - 2, vm.bodyFontSize - 2); ctx.fillStyle = helpers.color(vm.bodyColor).alpha(opacity).rgbaString(); // Return fill style for text } // Body Line ctx.fillText(body, pt.x + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0), pt.y); pt.y += vm.bodyFontSize + vm.bodySpacing; }, this); // After Body helpers.each(vm.afterBody, function(afterBody) { ctx.fillText(afterBody, pt.x, pt.y); pt.y += vm.bodyFontSize; }); pt.y -= vm.bodySpacing; // Remove last body spacing }, drawFooter: function drawFooter(pt, vm, ctx, opacity) { if (vm.footer.length) { pt.y += vm.footerMarginTop; ctx.textAlign = vm._footerAlign; ctx.textBaseline = "top"; var footerColor = helpers.color(vm.footerColor); ctx.fillStyle = footerColor.alpha(opacity * footerColor.alpha()).rgbString(); ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); helpers.each(vm.footer, function(footer) { ctx.fillText(footer, pt.x, pt.y); pt.y += vm.footerFontSize + vm.footerSpacing; }); } }, draw: function draw() { var ctx = this._chart.ctx; var vm = this._view; if (vm.opacity === 0) { return; } var caretPadding = vm.caretPadding; var tooltipSize = this.getTooltipSize(vm); var pt = { x: vm.x, y: vm.y }; // IE11/Edge does not like very small opacities, so snap to 0 var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; if (this._options.tooltips.enabled) { // Draw Background 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, caretPadding); // Draw Title, Body, and Footer pt.x += vm.xPadding; pt.y += vm.yPadding; // Titles this.drawTitle(pt, vm, ctx, opacity); // Body this.drawBody(pt, vm, ctx, opacity); // Footer this.drawFooter(pt, vm, ctx, opacity); } } }); }; },{}],34:[function(require,module,exports){ "use strict"; module.exports = function(Chart, moment) { 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)); } else { 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); } else { return false; } }, tooltipPosition: function() { var vm = this._view; var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2), rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius; return { x: vm.x + (Math.cos(centreAngle) * rangeFromCentre), y: vm.y + (Math.sin(centreAngle) * rangeFromCentre) }; }, draw: function() { var ctx = this._chart.ctx, 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(); } } }); }; },{}],35:[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', fill: true // do we fill in the area between the line and its base axis }; Chart.elements.Line = Chart.Element.extend({ lineToNextPoint: function(previousPoint, point, nextPoint, skipHandler, previousSkipHandler) { var ctx = this._chart.ctx; if (point._view.skip) { skipHandler.call(this, previousPoint, point, nextPoint); } else if (previousPoint._view.skip) { previousSkipHandler.call(this, previousPoint, point, nextPoint); } else if (point._view.tension === 0) { ctx.lineTo(point._view.x, point._view.y); } else { // Line between points ctx.bezierCurveTo( previousPoint._view.controlPointNextX, previousPoint._view.controlPointNextY, point._view.controlPointPreviousX, point._view.controlPointPreviousY, point._view.x, point._view.y ); } }, draw: function() { var _this = this; var vm = this._view; var ctx = this._chart.ctx; var first = this._children[0]; var last = this._children[this._children.length - 1]; function loopBackToStart(drawLineToCenter) { if (!first._view.skip && !last._view.skip) { // Draw a bezier line from last to first ctx.bezierCurveTo( last._view.controlPointNextX, last._view.controlPointNextY, first._view.controlPointPreviousX, first._view.controlPointPreviousY, first._view.x, first._view.y ); } else if (drawLineToCenter) { // Go to center ctx.lineTo(_this._view.scaleZero.x, _this._view.scaleZero.y); } } ctx.save(); // If we had points and want to fill this line, do so. if (this._children.length > 0 && vm.fill) { // Draw the background first (so the border is always on top) ctx.beginPath(); helpers.each(this._children, function(point, index) { var previous = helpers.previousItem(this._children, index); var next = helpers.nextItem(this._children, index); // First point moves to it's starting position no matter what if (index === 0) { if (this._loop) { ctx.moveTo(vm.scaleZero.x, vm.scaleZero.y); } else { ctx.moveTo(point._view.x, vm.scaleZero); } if (point._view.skip) { if (!this._loop) { ctx.moveTo(next._view.x, this._view.scaleZero); } } else { ctx.lineTo(point._view.x, point._view.y); } } else { this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) { if (this._loop) { // Go to center ctx.lineTo(this._view.scaleZero.x, this._view.scaleZero.y); } else { ctx.lineTo(previousPoint._view.x, this._view.scaleZero); ctx.moveTo(nextPoint._view.x, this._view.scaleZero); } }, function(previousPoint, point) { // If we skipped the last point, draw a line to ourselves so that the fill is nice ctx.lineTo(point._view.x, point._view.y); }); } }, this); // For radial scales, loop back around to the first point if (this._loop) { loopBackToStart(true); } else { //Round off the line by going to the base of the chart, back to the start, then fill. ctx.lineTo(this._children[this._children.length - 1]._view.x, vm.scaleZero); ctx.lineTo(this._children[0]._view.x, vm.scaleZero); } ctx.fillStyle = vm.backgroundColor || globalDefaults.defaultColor; ctx.closePath(); ctx.fill(); } var globalOptionLineElements = globalDefaults.elements.line; // Now draw the line between all the points with any borders 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; ctx.beginPath(); helpers.each(this._children, function(point, index) { var previous = helpers.previousItem(this._children, index); var next = helpers.nextItem(this._children, index); if (index === 0) { ctx.moveTo(point._view.x, point._view.y); } else { this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) { ctx.moveTo(nextPoint._view.x, nextPoint._view.y); }, function(previousPoint, point) { // If we skipped the last point, move up to our point preventing a line from being drawn ctx.moveTo(point._view.x, point._view.y); }); } }, this); if (this._loop && this._children.length > 0) { loopBackToStart(); } ctx.stroke(); ctx.restore(); } }); }; },{}],36:[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; var type, edgeLength, xOffset, yOffset, height, size; if (vm.skip) { return; } 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; } ctx.strokeStyle = vm.borderColor || defaultColor; ctx.lineWidth = helpers.getValueOrDefault(vm.borderWidth, globalOpts.elements.point.borderWidth); ctx.fillStyle = vm.backgroundColor || defaultColor; 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.fillRect(x - size, y - size, 2 * size, 2 * size); ctx.strokeRect(x - size, y - size, 2 * size, 2 * size); break; case 'rectRot': ctx.translate(x, y); ctx.rotate(Math.PI / 4); size = 1 / Math.SQRT2 * radius; ctx.fillRect(-size, -size, 2 * size, 2 * size); ctx.strokeRect(-size, -size, 2 * size, 2 * size); ctx.setTransform(1, 0, 0, 1, 0, 0); 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(); } }); }; },{}],37:[function(require,module,exports){ "use strict"; module.exports = function(Chart) { var helpers = Chart.helpers, 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 }; } }); }; },{}],38:[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({ // Implement this so that determineDataLimits: function() { this.minIndex = 0; this.maxIndex = this.chart.data.labels.length - 1; var findIndex; if (this.options.ticks.min !== undefined) { // user specified min value findIndex = helpers.indexOf(this.chart.data.labels, this.options.ticks.min); this.minIndex = findIndex !== -1 ? findIndex : this.minIndex; } if (this.options.ticks.max !== undefined) { // user specified max value findIndex = helpers.indexOf(this.chart.data.labels, this.options.ticks.max); this.maxIndex = findIndex !== -1 ? findIndex : this.maxIndex; } this.min = this.chart.data.labels[this.minIndex]; this.max = this.chart.data.labels[this.maxIndex]; }, buildTicks: function(index) { // If we are viewing some subset of labels, slice the original array this.ticks = (this.minIndex === 0 && this.maxIndex === this.chart.data.labels.length - 1) ? this.chart.data.labels : this.chart.data.labels.slice(this.minIndex, this.maxIndex + 1); }, getLabelForIndex: function(index, datasetIndex) { return this.ticks[index]; }, // Used to get data value locations. Value can either be an index or a numerical value getPixelForValue: function(value, index, datasetIndex, includeOffset) { // 1 is added because we need the length but we have the indexes var offsetAmt = Math.max((this.maxIndex + 1 - this.minIndex - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1); if (this.isHorizontal()) { var innerWidth = this.width - (this.paddingLeft + this.paddingRight); var valueWidth = innerWidth / offsetAmt; var widthOffset = (valueWidth * (index - this.minIndex)) + this.paddingLeft; if (this.options.gridLines.offsetGridLines && includeOffset) { widthOffset += (valueWidth / 2); } return this.left + Math.round(widthOffset); } else { var innerHeight = this.height - (this.paddingTop + this.paddingBottom); var valueHeight = innerHeight / offsetAmt; var heightOffset = (valueHeight * (index - this.minIndex)) + this.paddingTop; if (this.options.gridLines.offsetGridLines && includeOffset) { heightOffset += (valueHeight / 2); } return this.top + Math.round(heightOffset); } }, getPixelForTick: function(index, includeOffset) { return this.getPixelForValue(this.ticks[index], index + this.minIndex, null, includeOffset); }, getValueForPixel: function(pixel) { var value ; var offsetAmt = Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1); var horz = this.isHorizontal(); var innerDimension = horz ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom); var valueDimension = innerDimension / offsetAmt; if (this.options.gridLines.offsetGridLines) { pixel -= (valueDimension / 2); } pixel -= horz ? this.paddingLeft : this.paddingTop; if (pixel <= 0) { value = 0; } else { value = Math.round(pixel / valueDimension); } return value; } }); Chart.scaleService.registerScaleType("category", DatasetScale, defaultConfig); }; },{}],39:[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.Scale.extend({ determineDataLimits: function() { var _this = this; var opts = _this.options; var tickOpts = opts.ticks; var chart = _this.chart; var data = chart.data; var datasets = data.datasets; var isHorizontal = _this.isHorizontal(); function IDMatches(meta) { return isHorizontal ? meta.xAxisID === _this.id : meta.yAxisID === _this.id; } // First Calculate the range _this.min = null; _this.max = null; if (opts.stacked) { var valuesPerType = {}; var hasPositiveValues = false; var hasNegativeValues = false; 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 = +_this.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) { hasNegativeValues = true; negativeValues[index] += value; } else { hasPositiveValues = true; 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); _this.min = _this.min === null ? minVal : Math.min(_this.min, minVal); _this.max = _this.max === null ? maxVal : Math.max(_this.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 = +_this.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (_this.min === null) { _this.min = value; } else if (value < _this.min) { _this.min = value; } if (_this.max === null) { _this.max = value; } else if (value > _this.max) { _this.max = value; } }); } }); } // 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(_this.min); var maxSign = helpers.sign(_this.max); if (minSign < 0 && maxSign < 0) { // move the top up to 0 _this.max = 0; } else if (minSign > 0 && maxSign > 0) { // move the botttom down to 0 _this.min = 0; } } if (tickOpts.min !== undefined) { _this.min = tickOpts.min; } else if (tickOpts.suggestedMin !== undefined) { _this.min = Math.min(_this.min, tickOpts.suggestedMin); } if (tickOpts.max !== undefined) { _this.max = tickOpts.max; } else if (tickOpts.suggestedMax !== undefined) { _this.max = Math.max(_this.max, tickOpts.suggestedMax); } if (_this.min === _this.max) { _this.max++; if (!tickOpts.beginAtZero) { _this.min--; } } }, buildTicks: function() { var _this = this; var opts = _this.options; var tickOpts = opts.ticks; var getValueOrDefault = helpers.getValueOrDefault; var isHorizontal = _this.isHorizontal(); var ticks = _this.ticks = []; // Figure out what the max number of ticks we can support it is based on the size of // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on // the graph var maxTicks; if (isHorizontal) { maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(_this.width / 50)); } else { // The factor of 2 used to scale the font size has been experimentally determined. var tickFontSize = getValueOrDefault(tickOpts.fontSize, Chart.defaults.global.defaultFontSize); maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(_this.height / (2 * tickFontSize))); } // 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(_this.max - _this.min, false); spacing = helpers.niceNum(niceRange / (maxTicks - 1), true); } var niceMin = Math.floor(_this.min / spacing) * spacing; var niceMax = Math.ceil(_this.max / spacing) * spacing; var numSpaces = (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); if (!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 _this.max = helpers.max(ticks); _this.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); _this.start = _this.max; _this.end = _this.min; } else { _this.start = _this.min; _this.end = _this.max; } }, getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, convertTicksToLabels: function() { var _this = this; _this.ticksAsNumbers = _this.ticks.slice(); _this.zeroLineIndex = _this.ticks.indexOf(0); Chart.Scale.prototype.convertTicksToLabels.call(_this); }, // Utils getPixelForValue: function(value, index, datasetIndex, includeOffset) { // This must be called after fit has been run so that // this.left, this.top, this.right, and this.bottom have been defined var _this = this; var paddingLeft = _this.paddingLeft; var paddingBottom = _this.paddingBottom; var start = _this.start; var rightValue = +_this.getRightValue(value); var pixel; var innerDimension; var range = _this.end - start; if (_this.isHorizontal()) { innerDimension = _this.width - (paddingLeft + _this.paddingRight); pixel = _this.left + (innerDimension / range * (rightValue - start)); return Math.round(pixel + paddingLeft); } else { innerDimension = _this.height - (_this.paddingTop + paddingBottom); pixel = (_this.bottom - paddingBottom) - (innerDimension / range * (rightValue - start)); return Math.round(pixel); } }, getValueForPixel: function(pixel) { var _this = this; var isHorizontal = _this.isHorizontal(); var paddingLeft = _this.paddingLeft; var paddingBottom = _this.paddingBottom; var innerDimension = isHorizontal ? _this.width - (paddingLeft + _this.paddingRight) : _this.height - (_this.paddingTop + paddingBottom); var offset = (isHorizontal ? pixel - _this.left - paddingLeft : _this.bottom - paddingBottom - pixel) / innerDimension; return _this.start + ((_this.end - _this.start) * offset); }, getPixelForTick: function(index, includeOffset) { return this.getPixelForValue(this.ticksAsNumbers[index], null, null, includeOffset); } }); Chart.scaleService.registerScaleType("linear", LinearScale, defaultConfig); }; },{}],40:[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 (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === arr.length - 1) { return value.toExponential(); } else { return ''; } } } }; var LogarithmicScale = Chart.Scale.extend({ determineDataLimits: function() { var _this = this; var opts = _this.options; var tickOpts = opts.ticks; var chart = _this.chart; var data = chart.data; var datasets = data.datasets; var getValueOrDefault = helpers.getValueOrDefault; var isHorizontal = _this.isHorizontal(); function IDMatches(meta) { return isHorizontal ? meta.xAxisID === _this.id : meta.yAxisID === _this.id; } // Calculate Range _this.min = null; _this.max = 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 = +_this.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); _this.min = _this.min === null ? minVal : Math.min(_this.min, minVal); _this.max = _this.max === null ? maxVal : Math.max(_this.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 = +_this.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (_this.min === null) { _this.min = value; } else if (value < _this.min) { _this.min = value; } if (_this.max === null) { _this.max = value; } else if (value > _this.max) { _this.max = value; } }); } }); } _this.min = getValueOrDefault(tickOpts.min, _this.min); _this.max = getValueOrDefault(tickOpts.max, _this.max); if (_this.min === _this.max) { if (_this.min !== 0 && _this.min !== null) { _this.min = Math.pow(10, Math.floor(helpers.log10(_this.min)) - 1); _this.max = Math.pow(10, Math.floor(helpers.log10(_this.max)) + 1); } else { _this.min = 1; _this.max = 10; } } }, buildTicks: function() { var _this = this; var opts = _this.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 = _this.ticks = []; // Figure out what the max number of ticks we can support it is based on the size of // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on // the graph var tickVal = getValueOrDefault(tickOpts.min, Math.pow(10, Math.floor(helpers.log10(_this.min)))); while (tickVal < _this.max) { ticks.push(tickVal); var exp = Math.floor(helpers.log10(tickVal)); var significand = Math.floor(tickVal / Math.pow(10, exp)) + 1; if (significand === 10) { significand = 1; ++exp; } tickVal = significand * Math.pow(10, exp); } var lastTick = getValueOrDefault(tickOpts.max, tickVal); ticks.push(lastTick); if (!_this.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 _this.max = helpers.max(ticks); _this.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); _this.start = _this.max; _this.end = _this.min; } else { _this.start = _this.min; _this.end = _this.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, includeOffset) { return this.getPixelForValue(this.tickValues[index], null, null, includeOffset); }, getPixelForValue: function(value, index, datasetIndex, includeOffset) { var _this = this; var innerDimension; var pixel; var start = _this.start; var newVal = +_this.getRightValue(value); var range = helpers.log10(_this.end) - helpers.log10(start); var paddingTop = _this.paddingTop; var paddingBottom = _this.paddingBottom; var paddingLeft = _this.paddingLeft; if (_this.isHorizontal()) { if (newVal === 0) { pixel = _this.left + paddingLeft; } else { innerDimension = _this.width - (paddingLeft + _this.paddingRight); pixel = _this.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); pixel += paddingLeft; } } else { // Bottom - top since pixels increase downard on a screen if (newVal === 0) { pixel = _this.top + paddingTop; } else { innerDimension = _this.height - (paddingTop + paddingBottom); pixel = (_this.bottom - paddingBottom) - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); } } return pixel; }, getValueForPixel: function(pixel) { var _this = this; var offset; var range = helpers.log10(_this.end) - helpers.log10(_this.start); var value; var innerDimension; if (_this.isHorizontal()) { innerDimension = _this.width - (_this.paddingLeft + _this.paddingRight); value = _this.start * Math.pow(10, (pixel - _this.left - _this.paddingLeft) * range / innerDimension); } else { innerDimension = _this.height - (_this.paddingTop + _this.paddingBottom); value = Math.pow(10, (_this.bottom - _this.paddingBottom - pixel) * range / innerDimension) / _this.start; } return value; } }); Chart.scaleService.registerScaleType("logarithmic", LogarithmicScale, defaultConfig); }; },{}],41:[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.Scale.extend({ getValueCount: function() { return this.chart.data.labels.length; }, setDimensions: function() { var options = this.options; // Set the unconstrained dimension before label rotation this.width = this.maxWidth; this.height = this.maxHeight; this.xCenter = Math.round(this.width / 2); this.yCenter = Math.round(this.height / 2); var minSize = helpers.min([this.height, this.width]); var tickFontSize = helpers.getValueOrDefault(options.ticks.fontSize, globalDefaults.defaultFontSize); this.drawingArea = (options.display) ? (minSize / 2) - (tickFontSize / 2 + options.ticks.backdropPaddingY) : (minSize / 2); }, determineDataLimits: function() { this.min = null; this.max = null; helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) { if (this.chart.isDatasetVisible(datasetIndex)) { var meta = this.chart.getDatasetMeta(datasetIndex); helpers.each(dataset.data, function(rawValue, index) { var value = +this.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (this.min === null) { this.min = value; } else if (value < this.min) { this.min = value; } if (this.max === null) { this.max = value; } else if (value > this.max) { this.max = value; } }, this); } }, this); // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, // do nothing since that would make the chart weird. If the user really wants a weird chart // axis, they can manually override it if (this.options.ticks.beginAtZero) { var minSign = helpers.sign(this.min); var maxSign = helpers.sign(this.max); if (minSign < 0 && maxSign < 0) { // move the top up to 0 this.max = 0; } else if (minSign > 0 && maxSign > 0) { // move the botttom down to 0 this.min = 0; } } if (this.options.ticks.min !== undefined) { this.min = this.options.ticks.min; } else if (this.options.ticks.suggestedMin !== undefined) { this.min = Math.min(this.min, this.options.ticks.suggestedMin); } if (this.options.ticks.max !== undefined) { this.max = this.options.ticks.max; } else if (this.options.ticks.suggestedMax !== undefined) { this.max = Math.max(this.max, this.options.ticks.suggestedMax); } if (this.min === this.max) { this.min--; this.max++; } }, buildTicks: function() { this.ticks = []; // Figure out what the max number of ticks we can support it is based on the size of // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on // the graph var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, globalDefaults.defaultFontSize); var maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); maxTicks = Math.max(2, maxTicks); // Make sure we always have at least 2 ticks // To get a "nice" value for the tick spacing, we will use the appropriately named // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks // for details. var niceRange = helpers.niceNum(this.max - this.min, false); var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true); var niceMin = Math.floor(this.min / spacing) * spacing; var niceMax = Math.ceil(this.max / spacing) * spacing; var numSpaces = Math.ceil((niceMax - niceMin) / spacing); // Put the values into the ticks array this.ticks.push(this.options.ticks.min !== undefined ? this.options.ticks.min : niceMin); for (var j = 1; j < numSpaces; ++j) { this.ticks.push(niceMin + (j * spacing)); } this.ticks.push(this.options.ticks.max !== undefined ? this.options.ticks.max : niceMax); // At this point, we need to update our max and min given the tick values since we have expanded the // range of the scale this.max = helpers.max(this.ticks); this.min = helpers.min(this.ticks); if (this.options.ticks.reverse) { this.ticks.reverse(); this.start = this.max; this.end = this.min; } else { this.start = this.min; this.end = this.max; } this.zeroLineIndex = this.ticks.indexOf(0); }, convertTicksToLabels: function() { Chart.Scale.prototype.convertTicksToLabels.call(this); // Point labels this.pointLabels = this.chart.data.labels.map(this.options.pointLabels.callback, this); }, 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, maxWidthRadius; 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; if (i === 0 || i === this.getValueCount() / 2) { // If we're at index zero, or exactly the middle, we're at exactly the top/bottom // of the radar chart, so text will be aligned centrally, so we'll half it and compare // w/left and right text sizes halfTextWidth = textWidth / 2; if (pointPosition.x + halfTextWidth > furthestRight) { furthestRight = pointPosition.x + halfTextWidth; furthestRightIndex = i; } if (pointPosition.x - halfTextWidth < furthestLeft) { furthestLeft = pointPosition.x - halfTextWidth; furthestLeftIndex = i; } } else if (i < this.getValueCount() / 2) { // Less than half the values means we'll left align the text if (pointPosition.x + textWidth > furthestRight) { furthestRight = pointPosition.x + textWidth; furthestRightIndex = i; } } else if (i > this.getValueCount() / 2) { // More than half the values means we'll right align the text if (pointPosition.x - textWidth < furthestLeft) { furthestLeft = pointPosition.x - textWidth; furthestLeftIndex = i; } } } xProtrusionLeft = furthestLeft; xProtrusionRight = Math.ceil(furthestRight - this.width); furthestRightAngle = this.getIndexAngle(furthestRightIndex); furthestLeftAngle = this.getIndexAngle(furthestLeftIndex); radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI / 2); radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI / 2); // Ensure we actually need to reduce the size of the chart radiusReductionRight = (helpers.isNumber(radiusReductionRight)) ? radiusReductionRight : 0; radiusReductionLeft = (helpers.isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0; this.drawingArea = Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2); this.setCenterPoint(radiusReductionLeft, radiusReductionRight); }, setCenterPoint: function(leftMovement, rightMovement) { var maxRight = this.width - rightMovement - this.drawingArea, maxLeft = leftMovement + this.drawingArea; this.xCenter = Math.round(((maxLeft + maxRight) / 2) + this.left); // Always vertically in the centre as the text height doesn't change this.yCenter = Math.round((this.height / 2) + this.top); }, getIndexAngle: function(index) { var angleMultiplier = (Math.PI * 2) / this.getValueCount(); // Start from the top instead of right, so remove a quarter of the circle return index * angleMultiplier - (Math.PI / 2); }, getDistanceFromCenterForValue: function(value) { if (value === null) { return 0; // null always in center } // Take into account half font size + the yPadding of the top value var scalingFactor = this.drawingArea / (this.max - this.min); if (this.options.reverse) { return (this.max - value) * scalingFactor; } else { return (value - this.min) * scalingFactor; } }, getPointPosition: function(index, distanceFromCenter) { var thisAngle = this.getIndexAngle(index); return { x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + this.xCenter, y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + this.yCenter }; }, getPointPositionForValue: function(index, value) { return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); }, 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() { if (this.options.display) { var ctx = this.ctx; helpers.each(this.ticks, function(label, index) { // Don't draw a centre value (if it is minimum) if (index > 0 || this.options.reverse) { var yCenterOffset = this.getDistanceFromCenterForValue(this.ticks[index]); var yHeight = this.yCenter - yCenterOffset; // Draw circular lines around the scale if (this.options.gridLines.display) { ctx.strokeStyle = this.options.gridLines.color; ctx.lineWidth = this.options.gridLines.lineWidth; if (this.options.lineArc) { // Draw circular arcs between the points ctx.beginPath(); ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI * 2); ctx.closePath(); ctx.stroke(); } else { // Draw straight lines connecting each index ctx.beginPath(); for (var i = 0; i < this.getValueCount(); i++) { var pointPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.ticks[index])); if (i === 0) { ctx.moveTo(pointPosition.x, pointPosition.y); } else { ctx.lineTo(pointPosition.x, pointPosition.y); } } ctx.closePath(); ctx.stroke(); } } if (this.options.ticks.display) { var tickFontColor = helpers.getValueOrDefault(this.options.ticks.fontColor, globalDefaults.defaultFontColor); var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); ctx.font = tickLabelFont; if (this.options.ticks.showLabelBackdrop) { var labelWidth = ctx.measureText(label).width; ctx.fillStyle = this.options.ticks.backdropColor; ctx.fillRect( this.xCenter - labelWidth / 2 - this.options.ticks.backdropPaddingX, yHeight - tickFontSize / 2 - this.options.ticks.backdropPaddingY, labelWidth + this.options.ticks.backdropPaddingX * 2, tickFontSize + this.options.ticks.backdropPaddingY * 2 ); } ctx.textAlign = 'center'; ctx.textBaseline = "middle"; ctx.fillStyle = tickFontColor; ctx.fillText(label, this.xCenter, yHeight); } } }, this); if (!this.options.lineArc) { ctx.lineWidth = this.options.angleLines.lineWidth; ctx.strokeStyle = this.options.angleLines.color; for (var i = this.getValueCount() - 1; i >= 0; i--) { if (this.options.angleLines.display) { var outerPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max)); ctx.beginPath(); ctx.moveTo(this.xCenter, this.yCenter); ctx.lineTo(outerPosition.x, outerPosition.y); ctx.stroke(); ctx.closePath(); } // Extra 3px out for some label spacing var pointLabelPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max) + 5); var pointLabelFontColor = helpers.getValueOrDefault(this.options.pointLabels.fontColor, globalDefaults.defaultFontColor); var pointLabelFontSize = helpers.getValueOrDefault(this.options.pointLabels.fontSize, globalDefaults.defaultFontSize); var pointLabeFontStyle = helpers.getValueOrDefault(this.options.pointLabels.fontStyle, globalDefaults.defaultFontStyle); var pointLabeFontFamily = helpers.getValueOrDefault(this.options.pointLabels.fontFamily, globalDefaults.defaultFontFamily); var pointLabeFont = helpers.fontString(pointLabelFontSize, pointLabeFontStyle, pointLabeFontFamily); ctx.font = pointLabeFont; ctx.fillStyle = pointLabelFontColor; var labelsCount = this.pointLabels.length, halfLabelsCount = this.pointLabels.length / 2, quarterLabelsCount = halfLabelsCount / 2, upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount), exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount); if (i === 0) { ctx.textAlign = 'center'; } else if (i === halfLabelsCount) { ctx.textAlign = 'center'; } else if (i < halfLabelsCount) { ctx.textAlign = 'left'; } else { ctx.textAlign = 'right'; } // Set the correct text baseline based on outer positioning if (exactQuarter) { ctx.textBaseline = 'middle'; } else if (upperHalf) { ctx.textBaseline = 'bottom'; } else { ctx.textBaseline = 'top'; } ctx.fillText(this.pointLabels[i] ? this.pointLabels[i] : '', pointLabelPosition.x, pointLabelPosition.y); } } } } }); Chart.scaleService.registerScaleType("radialLinear", LinearRadialScale, defaultConfig); }; },{}],42:[function(require,module,exports){ /*global window: false */ "use strict"; var moment = require('moment'); 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/ // 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) { return this.labelMoments[datasetIndex][index]; }, getMomentStartOf: function(tick) { if (this.options.time.unit === 'week' && this.options.time.isoWeekday !== false) { return tick.clone().startOf('isoWeek').isoWeekday(this.options.time.isoWeekday); } else { return tick.clone().startOf(this.tickUnit); } }, determineDataLimits: function() { this.labelMoments = []; // Only parse these once. If the dataset does not have data as x,y pairs, we will use // these var scaleLabelMoments = []; if (this.chart.data.labels && this.chart.data.labels.length > 0) { helpers.each(this.chart.data.labels, function(label, index) { var labelMoment = this.parseTime(label); if (labelMoment.isValid()) { if (this.options.time.round) { labelMoment.startOf(this.options.time.round); } scaleLabelMoments.push(labelMoment); } }, this); this.firstTick = moment.min.call(this, scaleLabelMoments); this.lastTick = moment.max.call(this, scaleLabelMoments); } else { this.firstTick = null; this.lastTick = null; } helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) { var momentsForDataset = []; var datasetVisible = this.chart.isDatasetVisible(datasetIndex); if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) { helpers.each(dataset.data, function(value, index) { var labelMoment = this.parseTime(this.getRightValue(value)); if (labelMoment.isValid()) { if (this.options.time.round) { labelMoment.startOf(this.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 this.firstTick = this.firstTick !== null ? moment.min(this.firstTick, labelMoment) : labelMoment; this.lastTick = this.lastTick !== null ? moment.max(this.lastTick, labelMoment) : labelMoment; } } }, this); } else { // We have no labels. Use the ones from the scale momentsForDataset = scaleLabelMoments; } this.labelMoments.push(momentsForDataset); }, this); // Set these after we've done all the data if (this.options.time.min) { this.firstTick = this.parseTime(this.options.time.min); } if (this.options.time.max) { this.lastTick = this.parseTime(this.options.time.max); } // We will modify these, so clone for later this.firstTick = (this.firstTick || moment()).clone(); this.lastTick = (this.lastTick || moment()).clone(); }, buildTicks: function(index) { this.ctx.save(); var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize); var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle); var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); this.ctx.font = tickLabelFont; this.ticks = []; this.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step this.scaleSizeInUnits = 0; // How large the scale is in the base unit (seconds, minutes, etc) // Set unit override if applicable if (this.options.time.unit) { this.tickUnit = this.options.time.unit || 'day'; this.displayFormat = this.options.time.displayFormats[this.tickUnit]; this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true); this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, 1); } else { // Determine the smallest needed unit of the time var innerWidth = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom); // Crude approximation of what the label length might be var tempFirstLabel = this.tickFormatFunction(this.firstTick, 0, []); var tickLabelWidth = this.ctx.measureText(tempFirstLabel).width; var cosRotation = Math.cos(helpers.toRadians(this.options.ticks.maxRotation)); var sinRotation = Math.sin(helpers.toRadians(this.options.ticks.maxRotation)); tickLabelWidth = (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); var labelCapacity = innerWidth / (tickLabelWidth); // Start as small as possible this.tickUnit = 'millisecond'; this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true); this.displayFormat = this.options.time.displayFormats[this.tickUnit]; var unitDefinitionIndex = 0; var unitDefinition = time.units[unitDefinitionIndex]; // While we aren't ideal and we don't have units left while (unitDefinitionIndex < time.units.length) { // Can we scale this unit. If `false` we can scale infinitely this.unitScale = 1; if (helpers.isArray(unitDefinition.steps) && Math.ceil(this.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(this.scaleSizeInUnits / labelCapacity)) { this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, unitDefinition.steps[idx]); break; } } break; } else if ((unitDefinition.maxStep === false) || (Math.ceil(this.scaleSizeInUnits / labelCapacity) < unitDefinition.maxStep)) { // We have a max step. Scale this unit this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, Math.ceil(this.scaleSizeInUnits / labelCapacity)); break; } else { // Move to the next unit up ++unitDefinitionIndex; unitDefinition = time.units[unitDefinitionIndex]; this.tickUnit = unitDefinition.name; var leadingUnitBuffer = this.firstTick.diff(this.getMomentStartOf(this.firstTick), this.tickUnit, true); var trailingUnitBuffer = this.getMomentStartOf(this.lastTick.clone().add(1, this.tickUnit)).diff(this.lastTick, this.tickUnit, true); this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true) + leadingUnitBuffer + trailingUnitBuffer; this.displayFormat = this.options.time.displayFormats[unitDefinition.name]; } } } var roundedStart; // Only round the first tick if we have no hard minimum if (!this.options.time.min) { this.firstTick = this.getMomentStartOf(this.firstTick); roundedStart = this.firstTick; } else { roundedStart = this.getMomentStartOf(this.firstTick); } // Only round the last tick if we have no hard maximum if (!this.options.time.max) { var roundedEnd = this.getMomentStartOf(this.lastTick); if (roundedEnd.diff(this.lastTick, this.tickUnit, true) !== 0) { // Do not use end of because we need this to be in the next time unit this.lastTick = this.getMomentStartOf(this.lastTick.add(1, this.tickUnit)); } } this.smallestLabelSeparation = this.width; helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) { for (var i = 1; i < this.labelMoments[datasetIndex].length; i++) { this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[datasetIndex][i].diff(this.labelMoments[datasetIndex][i - 1], this.tickUnit, true)); } }, this); // Tick displayFormat override if (this.options.time.displayFormat) { this.displayFormat = this.options.time.displayFormat; } // first tick. will have been rounded correctly if options.time.min is not specified this.ticks.push(this.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 <= this.scaleSizeInUnits; ++i) { var newTick = roundedStart.clone().add(i, this.tickUnit); // Are we greater than the max time if (this.options.time.max && newTick.diff(this.lastTick, this.tickUnit, true) >= 0) { break; } if (i % this.unitScale === 0) { this.ticks.push(newTick); } } // Always show the right tick var diff = this.ticks[this.ticks.length - 1].diff(this.lastTick, this.tickUnit); if (diff !== 0 || this.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 (this.options.time.max) { this.ticks.push(this.lastTick.clone()); this.scaleSizeInUnits = this.lastTick.diff(this.ticks[0], this.tickUnit, true); } else { this.ticks.push(this.lastTick.clone()); this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true); } } this.ctx.restore(); }, // Get tooltip label getLabelForIndex: function(index, datasetIndex) { var label = this.chart.data.labels && index < this.chart.data.labels.length ? this.chart.data.labels[index] : ''; if (typeof this.chart.data.datasets[datasetIndex].data[0] === 'object') { label = this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); } // Format nicely if (this.options.time.tooltipFormat) { label = this.parseTime(label).format(this.options.time.tooltipFormat); } return label; }, // Function to format an individual tick mark tickFormatFunction: function tickFormatFunction(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); } else { return formattedTick; } }, convertTicksToLabels: function() { this.tickMoments = this.ticks; this.ticks = this.ticks.map(this.tickFormatFunction, this); }, getPixelForValue: function(value, index, datasetIndex, includeOffset) { var labelMoment = value && value.isValid && value.isValid() ? value : this.getLabelMoment(datasetIndex, index); if (labelMoment) { var offset = labelMoment.diff(this.firstTick, this.tickUnit, true); var decimal = offset / this.scaleSizeInUnits; if (this.isHorizontal()) { var innerWidth = this.width - (this.paddingLeft + this.paddingRight); var valueWidth = innerWidth / Math.max(this.ticks.length - 1, 1); var valueOffset = (innerWidth * decimal) + this.paddingLeft; return this.left + Math.round(valueOffset); } else { var innerHeight = this.height - (this.paddingTop + this.paddingBottom); var valueHeight = innerHeight / Math.max(this.ticks.length - 1, 1); var heightOffset = (innerHeight * decimal) + this.paddingTop; return this.top + Math.round(heightOffset); } } }, getPixelForTick: function(index, includeOffset) { return this.getPixelForValue(this.tickMoments[index], null, null, includeOffset); }, getValueForPixel: function(pixel) { var innerDimension = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom); var offset = (pixel - (this.isHorizontal() ? this.left + this.paddingLeft : this.top + this.paddingTop)) / innerDimension; offset *= this.scaleSizeInUnits; return this.firstTick.clone().add(moment.duration(offset, this.tickUnit).asSeconds(), 'seconds'); }, parseTime: function(label) { if (typeof this.options.time.parser === 'string') { return moment(label, this.options.time.parser); } if (typeof this.options.time.parser === 'function') { return this.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 this.options.time.format !== 'string' && this.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 this.options.time.format(label); } // Moment format parsing return moment(label, this.options.time.format); } }); Chart.scaleService.registerScaleType("time", TimeScale, defaultConfig); }; },{"moment":1}]},{},[7]);