From 77633ea262bab40e2f6ae17267f45463aa2b3089 Mon Sep 17 00:00:00 2001 From: Sebastien Robin <seb@nexedi.com> Date: Thu, 6 Apr 2017 15:54:30 +0000 Subject: [PATCH] renderjs_ui: add library Chart.js --- .../web_page_module/rjs_chart_js.js | 12269 ++++++++++++++++ .../web_page_module/rjs_chart_js.xml | 328 + 2 files changed, 12597 insertions(+) create mode 100644 bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.js create mode 100644 bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.xml diff --git a/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.js b/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.js new file mode 100644 index 0000000000..c4dbca6abe --- /dev/null +++ b/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.js @@ -0,0 +1,12269 @@ +/*! + * Chart.js + * http://chartjs.org/ + * Version: 2.5.0 + * + * Copyright 2017 Nick Downie + * Released under the MIT license + * https://github.com/chartjs/Chart.js/blob/master/LICENSE.md + */ +(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Chart = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ + +},{}],2:[function(require,module,exports){ +/* MIT license */ +var colorNames = require(6); + +module.exports = { + getRgba: getRgba, + getHsla: getHsla, + getRgb: getRgb, + getHsl: getHsl, + getHwb: getHwb, + getAlpha: getAlpha, + + hexString: hexString, + rgbString: rgbString, + rgbaString: rgbaString, + percentString: percentString, + percentaString: percentaString, + hslString: hslString, + hslaString: hslaString, + hwbString: hwbString, + keyword: keyword +} + +function getRgba(string) { + if (!string) { + return; + } + var abbr = /^#([a-fA-F0-9]{3})$/, + hex = /^#([a-fA-F0-9]{6})$/, + rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, + per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/, + keyword = /(\w+)/; + + var rgb = [0, 0, 0], + a = 1, + match = string.match(abbr); + if (match) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i] + match[i], 16); + } + } + else if (match = string.match(hex)) { + match = match[1]; + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16); + } + } + else if (match = string.match(rgba)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = parseInt(match[i + 1]); + } + a = parseFloat(match[4]); + } + else if (match = string.match(per)) { + for (var i = 0; i < rgb.length; i++) { + rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55); + } + a = parseFloat(match[4]); + } + else if (match = string.match(keyword)) { + if (match[1] == "transparent") { + return [0, 0, 0, 0]; + } + rgb = colorNames[match[1]]; + if (!rgb) { + return; + } + } + + for (var i = 0; i < rgb.length; i++) { + rgb[i] = scale(rgb[i], 0, 255); + } + if (!a && a != 0) { + a = 1; + } + else { + a = scale(a, 0, 1); + } + rgb[3] = a; + return rgb; +} + +function getHsla(string) { + if (!string) { + return; + } + var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hsl); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + s = scale(parseFloat(match[2]), 0, 100), + l = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, s, l, a]; + } +} + +function getHwb(string) { + if (!string) { + return; + } + var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; + var match = string.match(hwb); + if (match) { + var alpha = parseFloat(match[4]); + var h = scale(parseInt(match[1]), 0, 360), + w = scale(parseFloat(match[2]), 0, 100), + b = scale(parseFloat(match[3]), 0, 100), + a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); + return [h, w, b, a]; + } +} + +function getRgb(string) { + var rgba = getRgba(string); + return rgba && rgba.slice(0, 3); +} + +function getHsl(string) { + var hsla = getHsla(string); + return hsla && hsla.slice(0, 3); +} + +function getAlpha(string) { + var vals = getRgba(string); + if (vals) { + return vals[3]; + } + else if (vals = getHsla(string)) { + return vals[3]; + } + else if (vals = getHwb(string)) { + return vals[3]; + } +} + +// generators +function hexString(rgb) { + return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1]) + + hexDouble(rgb[2]); +} + +function rgbString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return rgbaString(rgba, alpha); + } + return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; +} + +function rgbaString(rgba, alpha) { + if (alpha === undefined) { + alpha = (rgba[3] !== undefined ? rgba[3] : 1); + } + return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + + ", " + alpha + ")"; +} + +function percentString(rgba, alpha) { + if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { + return percentaString(rgba, alpha); + } + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + + return "rgb(" + r + "%, " + g + "%, " + b + "%)"; +} + +function percentaString(rgba, alpha) { + var r = Math.round(rgba[0]/255 * 100), + g = Math.round(rgba[1]/255 * 100), + b = Math.round(rgba[2]/255 * 100); + return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; +} + +function hslString(hsla, alpha) { + if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { + return hslaString(hsla, alpha); + } + return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; +} + +function hslaString(hsla, alpha) { + if (alpha === undefined) { + alpha = (hsla[3] !== undefined ? hsla[3] : 1); + } + return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + + alpha + ")"; +} + +// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax +// (hwb have alpha optional & 1 is default value) +function hwbString(hwb, alpha) { + if (alpha === undefined) { + alpha = (hwb[3] !== undefined ? hwb[3] : 1); + } + return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" + + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; +} + +function keyword(rgb) { + return reverseNames[rgb.slice(0, 3)]; +} + +// helpers +function scale(num, min, max) { + return Math.min(Math.max(min, num), max); +} + +function hexDouble(num) { + var str = num.toString(16).toUpperCase(); + return (str.length < 2) ? "0" + str : str; +} + + +//create a list of reverse color names +var reverseNames = {}; +for (var name in colorNames) { + reverseNames[colorNames[name]] = name; +} + +},{"6":6}],3:[function(require,module,exports){ +/* MIT license */ +var convert = require(5); +var string = require(2); + +var Color = function (obj) { + if (obj instanceof Color) { + return obj; + } + if (!(this instanceof Color)) { + return new Color(obj); + } + + this.values = { + rgb: [0, 0, 0], + hsl: [0, 0, 0], + hsv: [0, 0, 0], + hwb: [0, 0, 0], + cmyk: [0, 0, 0, 0], + alpha: 1 + }; + + // parse Color() argument + var vals; + if (typeof obj === 'string') { + vals = string.getRgba(obj); + if (vals) { + this.setValues('rgb', vals); + } else if (vals = string.getHsla(obj)) { + this.setValues('hsl', vals); + } else if (vals = string.getHwb(obj)) { + this.setValues('hwb', vals); + } else { + throw new Error('Unable to parse color from string "' + obj + '"'); + } + } else if (typeof obj === 'object') { + vals = obj; + if (vals.r !== undefined || vals.red !== undefined) { + this.setValues('rgb', vals); + } else if (vals.l !== undefined || vals.lightness !== undefined) { + this.setValues('hsl', vals); + } else if (vals.v !== undefined || vals.value !== undefined) { + this.setValues('hsv', vals); + } else if (vals.w !== undefined || vals.whiteness !== undefined) { + this.setValues('hwb', vals); + } else if (vals.c !== undefined || vals.cyan !== undefined) { + this.setValues('cmyk', vals); + } else { + throw new Error('Unable to parse color from object ' + JSON.stringify(obj)); + } + } +}; + +Color.prototype = { + rgb: function () { + return this.setSpace('rgb', arguments); + }, + hsl: function () { + return this.setSpace('hsl', arguments); + }, + hsv: function () { + return this.setSpace('hsv', arguments); + }, + hwb: function () { + return this.setSpace('hwb', arguments); + }, + cmyk: function () { + return this.setSpace('cmyk', arguments); + }, + + rgbArray: function () { + return this.values.rgb; + }, + hslArray: function () { + return this.values.hsl; + }, + hsvArray: function () { + return this.values.hsv; + }, + hwbArray: function () { + var values = this.values; + if (values.alpha !== 1) { + return values.hwb.concat([values.alpha]); + } + return values.hwb; + }, + cmykArray: function () { + return this.values.cmyk; + }, + rgbaArray: function () { + var values = this.values; + return values.rgb.concat([values.alpha]); + }, + hslaArray: function () { + var values = this.values; + return values.hsl.concat([values.alpha]); + }, + alpha: function (val) { + if (val === undefined) { + return this.values.alpha; + } + this.setValues('alpha', val); + return this; + }, + + red: function (val) { + return this.setChannel('rgb', 0, val); + }, + green: function (val) { + return this.setChannel('rgb', 1, val); + }, + blue: function (val) { + return this.setChannel('rgb', 2, val); + }, + hue: function (val) { + if (val) { + val %= 360; + val = val < 0 ? 360 + val : val; + } + return this.setChannel('hsl', 0, val); + }, + saturation: function (val) { + return this.setChannel('hsl', 1, val); + }, + lightness: function (val) { + return this.setChannel('hsl', 2, val); + }, + saturationv: function (val) { + return this.setChannel('hsv', 1, val); + }, + whiteness: function (val) { + return this.setChannel('hwb', 1, val); + }, + blackness: function (val) { + return this.setChannel('hwb', 2, val); + }, + value: function (val) { + return this.setChannel('hsv', 2, val); + }, + cyan: function (val) { + return this.setChannel('cmyk', 0, val); + }, + magenta: function (val) { + return this.setChannel('cmyk', 1, val); + }, + yellow: function (val) { + return this.setChannel('cmyk', 2, val); + }, + black: function (val) { + return this.setChannel('cmyk', 3, val); + }, + + hexString: function () { + return string.hexString(this.values.rgb); + }, + rgbString: function () { + return string.rgbString(this.values.rgb, this.values.alpha); + }, + rgbaString: function () { + return string.rgbaString(this.values.rgb, this.values.alpha); + }, + percentString: function () { + return string.percentString(this.values.rgb, this.values.alpha); + }, + hslString: function () { + return string.hslString(this.values.hsl, this.values.alpha); + }, + hslaString: function () { + return string.hslaString(this.values.hsl, this.values.alpha); + }, + hwbString: function () { + return string.hwbString(this.values.hwb, this.values.alpha); + }, + keyword: function () { + return string.keyword(this.values.rgb, this.values.alpha); + }, + + rgbNumber: function () { + var rgb = this.values.rgb; + return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; + }, + + luminosity: function () { + // http://www.w3.org/TR/WCAG20/#relativeluminancedef + var rgb = this.values.rgb; + var lum = []; + for (var i = 0; i < rgb.length; i++) { + var chan = rgb[i] / 255; + lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); + } + return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; + }, + + contrast: function (color2) { + // http://www.w3.org/TR/WCAG20/#contrast-ratiodef + var lum1 = this.luminosity(); + var lum2 = color2.luminosity(); + if (lum1 > lum2) { + return (lum1 + 0.05) / (lum2 + 0.05); + } + return (lum2 + 0.05) / (lum1 + 0.05); + }, + + level: function (color2) { + var contrastRatio = this.contrast(color2); + if (contrastRatio >= 7.1) { + return 'AAA'; + } + + return (contrastRatio >= 4.5) ? 'AA' : ''; + }, + + dark: function () { + // YIQ equation from http://24ways.org/2010/calculating-color-contrast + var rgb = this.values.rgb; + var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; + return yiq < 128; + }, + + light: function () { + return !this.dark(); + }, + + negate: function () { + var rgb = []; + for (var i = 0; i < 3; i++) { + rgb[i] = 255 - this.values.rgb[i]; + } + this.setValues('rgb', rgb); + return this; + }, + + lighten: function (ratio) { + var hsl = this.values.hsl; + hsl[2] += hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + darken: function (ratio) { + var hsl = this.values.hsl; + hsl[2] -= hsl[2] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + saturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] += hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + desaturate: function (ratio) { + var hsl = this.values.hsl; + hsl[1] -= hsl[1] * ratio; + this.setValues('hsl', hsl); + return this; + }, + + whiten: function (ratio) { + var hwb = this.values.hwb; + hwb[1] += hwb[1] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + blacken: function (ratio) { + var hwb = this.values.hwb; + hwb[2] += hwb[2] * ratio; + this.setValues('hwb', hwb); + return this; + }, + + greyscale: function () { + var rgb = this.values.rgb; + // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale + var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; + this.setValues('rgb', [val, val, val]); + return this; + }, + + clearer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha - (alpha * ratio)); + return this; + }, + + opaquer: function (ratio) { + var alpha = this.values.alpha; + this.setValues('alpha', alpha + (alpha * ratio)); + return this; + }, + + rotate: function (degrees) { + var hsl = this.values.hsl; + var hue = (hsl[0] + degrees) % 360; + hsl[0] = hue < 0 ? 360 + hue : hue; + this.setValues('hsl', hsl); + return this; + }, + + /** + * Ported from sass implementation in C + * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 + */ + mix: function (mixinColor, weight) { + var color1 = this; + var color2 = mixinColor; + var p = weight === undefined ? 0.5 : weight; + + var w = 2 * p - 1; + var a = color1.alpha() - color2.alpha(); + + var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; + var w2 = 1 - w1; + + return this + .rgb( + w1 * color1.red() + w2 * color2.red(), + w1 * color1.green() + w2 * color2.green(), + w1 * color1.blue() + w2 * color2.blue() + ) + .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); + }, + + toJSON: function () { + return this.rgb(); + }, + + clone: function () { + // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, + // making the final build way to big to embed in Chart.js. So let's do it manually, + // assuming that values to clone are 1 dimension arrays containing only numbers, + // except 'alpha' which is a number. + var result = new Color(); + var source = this.values; + var target = result.values; + var value, type; + + for (var prop in source) { + if (source.hasOwnProperty(prop)) { + value = source[prop]; + type = ({}).toString.call(value); + if (type === '[object Array]') { + target[prop] = value.slice(0); + } else if (type === '[object Number]') { + target[prop] = value; + } else { + console.error('unexpected color value:', value); + } + } + } + + return result; + } +}; + +Color.prototype.spaces = { + rgb: ['red', 'green', 'blue'], + hsl: ['hue', 'saturation', 'lightness'], + hsv: ['hue', 'saturation', 'value'], + hwb: ['hue', 'whiteness', 'blackness'], + cmyk: ['cyan', 'magenta', 'yellow', 'black'] +}; + +Color.prototype.maxes = { + rgb: [255, 255, 255], + hsl: [360, 100, 100], + hsv: [360, 100, 100], + hwb: [360, 100, 100], + cmyk: [100, 100, 100, 100] +}; + +Color.prototype.getValues = function (space) { + var values = this.values; + var vals = {}; + + for (var i = 0; i < space.length; i++) { + vals[space.charAt(i)] = values[space][i]; + } + + if (values.alpha !== 1) { + vals.a = values.alpha; + } + + // {r: 255, g: 255, b: 255, a: 0.4} + return vals; +}; + +Color.prototype.setValues = function (space, vals) { + var values = this.values; + var spaces = this.spaces; + var maxes = this.maxes; + var alpha = 1; + var i; + + if (space === 'alpha') { + alpha = vals; + } else if (vals.length) { + // [10, 10, 10] + values[space] = vals.slice(0, space.length); + alpha = vals[space.length]; + } else if (vals[space.charAt(0)] !== undefined) { + // {r: 10, g: 10, b: 10} + for (i = 0; i < space.length; i++) { + values[space][i] = vals[space.charAt(i)]; + } + + alpha = vals.a; + } else if (vals[spaces[space][0]] !== undefined) { + // {red: 10, green: 10, blue: 10} + var chans = spaces[space]; + + for (i = 0; i < space.length; i++) { + values[space][i] = vals[chans[i]]; + } + + alpha = vals.alpha; + } + + values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); + + if (space === 'alpha') { + return false; + } + + var capped; + + // cap values of the space prior converting all values + for (i = 0; i < space.length; i++) { + capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); + values[space][i] = Math.round(capped); + } + + // convert to all the other color spaces + for (var sname in spaces) { + if (sname !== space) { + values[sname] = convert[space][sname](values[space]); + } + } + + return true; +}; + +Color.prototype.setSpace = function (space, args) { + var vals = args[0]; + + if (vals === undefined) { + // color.rgb() + return this.getValues(space); + } + + // color.rgb(10, 10, 10) + if (typeof vals === 'number') { + vals = Array.prototype.slice.call(args); + } + + this.setValues(space, vals); + return this; +}; + +Color.prototype.setChannel = function (space, index, val) { + var svalues = this.values[space]; + if (val === undefined) { + // color.red() + return svalues[index]; + } else if (val === svalues[index]) { + // color.red(color.red()) + return this; + } + + // color.red(100) + svalues[index] = val; + this.setValues(space, svalues); + + return this; +}; + +if (typeof window !== 'undefined') { + window.Color = Color; +} + +module.exports = Color; + +},{"2":2,"5":5}],4:[function(require,module,exports){ +/* MIT license */ + +module.exports = { + rgb2hsl: rgb2hsl, + rgb2hsv: rgb2hsv, + rgb2hwb: rgb2hwb, + rgb2cmyk: rgb2cmyk, + rgb2keyword: rgb2keyword, + rgb2xyz: rgb2xyz, + rgb2lab: rgb2lab, + rgb2lch: rgb2lch, + + hsl2rgb: hsl2rgb, + hsl2hsv: hsl2hsv, + hsl2hwb: hsl2hwb, + hsl2cmyk: hsl2cmyk, + hsl2keyword: hsl2keyword, + + hsv2rgb: hsv2rgb, + hsv2hsl: hsv2hsl, + hsv2hwb: hsv2hwb, + hsv2cmyk: hsv2cmyk, + hsv2keyword: hsv2keyword, + + hwb2rgb: hwb2rgb, + hwb2hsl: hwb2hsl, + hwb2hsv: hwb2hsv, + hwb2cmyk: hwb2cmyk, + hwb2keyword: hwb2keyword, + + cmyk2rgb: cmyk2rgb, + cmyk2hsl: cmyk2hsl, + cmyk2hsv: cmyk2hsv, + cmyk2hwb: cmyk2hwb, + cmyk2keyword: cmyk2keyword, + + keyword2rgb: keyword2rgb, + keyword2hsl: keyword2hsl, + keyword2hsv: keyword2hsv, + keyword2hwb: keyword2hwb, + keyword2cmyk: keyword2cmyk, + keyword2lab: keyword2lab, + keyword2xyz: keyword2xyz, + + xyz2rgb: xyz2rgb, + xyz2lab: xyz2lab, + xyz2lch: xyz2lch, + + lab2xyz: lab2xyz, + lab2rgb: lab2rgb, + lab2lch: lab2lch, + + lch2lab: lch2lab, + lch2xyz: lch2xyz, + lch2rgb: lch2rgb +} + + +function rgb2hsl(rgb) { + var r = rgb[0]/255, + g = rgb[1]/255, + b = rgb[2]/255, + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, l; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g)/ delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + l = (min + max) / 2; + + if (max == min) + s = 0; + else if (l <= 0.5) + s = delta / (max + min); + else + s = delta / (2 - max - min); + + return [h, s * 100, l * 100]; +} + +function rgb2hsv(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + min = Math.min(r, g, b), + max = Math.max(r, g, b), + delta = max - min, + h, s, v; + + if (max == 0) + s = 0; + else + s = (delta/max * 1000)/10; + + if (max == min) + h = 0; + else if (r == max) + h = (g - b) / delta; + else if (g == max) + h = 2 + (b - r) / delta; + else if (b == max) + h = 4 + (r - g) / delta; + + h = Math.min(h * 60, 360); + + if (h < 0) + h += 360; + + v = ((max / 255) * 1000) / 10; + + return [h, s, v]; +} + +function rgb2hwb(rgb) { + var r = rgb[0], + g = rgb[1], + b = rgb[2], + h = rgb2hsl(rgb)[0], + w = 1/255 * Math.min(r, Math.min(g, b)), + b = 1 - 1/255 * Math.max(r, Math.max(g, b)); + + return [h, w * 100, b * 100]; +} + +function rgb2cmyk(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255, + c, m, y, k; + + k = Math.min(1 - r, 1 - g, 1 - b); + c = (1 - r - k) / (1 - k) || 0; + m = (1 - g - k) / (1 - k) || 0; + y = (1 - b - k) / (1 - k) || 0; + return [c * 100, m * 100, y * 100, k * 100]; +} + +function rgb2keyword(rgb) { + return reverseKeywords[JSON.stringify(rgb)]; +} + +function rgb2xyz(rgb) { + var r = rgb[0] / 255, + g = rgb[1] / 255, + b = rgb[2] / 255; + + // assume sRGB + r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); + g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); + b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); + + var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); + var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); + var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); + + return [x * 100, y *100, z * 100]; +} + +function rgb2lab(rgb) { + var xyz = rgb2xyz(rgb), + x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + +function rgb2lch(args) { + return lab2lch(rgb2lab(args)); +} + +function hsl2rgb(hsl) { + var h = hsl[0] / 360, + s = hsl[1] / 100, + l = hsl[2] / 100, + t1, t2, t3, rgb, val; + + if (s == 0) { + val = l * 255; + return [val, val, val]; + } + + if (l < 0.5) + t2 = l * (1 + s); + else + t2 = l + s - l * s; + t1 = 2 * l - t2; + + rgb = [0, 0, 0]; + for (var i = 0; i < 3; i++) { + t3 = h + 1 / 3 * - (i - 1); + t3 < 0 && t3++; + t3 > 1 && t3--; + + if (6 * t3 < 1) + val = t1 + (t2 - t1) * 6 * t3; + else if (2 * t3 < 1) + val = t2; + else if (3 * t3 < 2) + val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; + else + val = t1; + + rgb[i] = val * 255; + } + + return rgb; +} + +function hsl2hsv(hsl) { + var h = hsl[0], + s = hsl[1] / 100, + l = hsl[2] / 100, + sv, v; + + if(l === 0) { + // no need to do calc on black + // also avoids divide by 0 error + return [0, 0, 0]; + } + + l *= 2; + s *= (l <= 1) ? l : 2 - l; + v = (l + s) / 2; + sv = (2 * s) / (l + s); + return [h, sv * 100, v * 100]; +} + +function hsl2hwb(args) { + return rgb2hwb(hsl2rgb(args)); +} + +function hsl2cmyk(args) { + return rgb2cmyk(hsl2rgb(args)); +} + +function hsl2keyword(args) { + return rgb2keyword(hsl2rgb(args)); +} + + +function hsv2rgb(hsv) { + var h = hsv[0] / 60, + s = hsv[1] / 100, + v = hsv[2] / 100, + hi = Math.floor(h) % 6; + + var f = h - Math.floor(h), + p = 255 * v * (1 - s), + q = 255 * v * (1 - (s * f)), + t = 255 * v * (1 - (s * (1 - f))), + v = 255 * v; + + switch(hi) { + case 0: + return [v, t, p]; + case 1: + return [q, v, p]; + case 2: + return [p, v, t]; + case 3: + return [p, q, v]; + case 4: + return [t, p, v]; + case 5: + return [v, p, q]; + } +} + +function hsv2hsl(hsv) { + var h = hsv[0], + s = hsv[1] / 100, + v = hsv[2] / 100, + sl, l; + + l = (2 - s) * v; + sl = s * v; + sl /= (l <= 1) ? l : 2 - l; + sl = sl || 0; + l /= 2; + return [h, sl * 100, l * 100]; +} + +function hsv2hwb(args) { + return rgb2hwb(hsv2rgb(args)) +} + +function hsv2cmyk(args) { + return rgb2cmyk(hsv2rgb(args)); +} + +function hsv2keyword(args) { + return rgb2keyword(hsv2rgb(args)); +} + +// http://dev.w3.org/csswg/css-color/#hwb-to-rgb +function hwb2rgb(hwb) { + var h = hwb[0] / 360, + wh = hwb[1] / 100, + bl = hwb[2] / 100, + ratio = wh + bl, + i, v, f, n; + + // wh + bl cant be > 1 + if (ratio > 1) { + wh /= ratio; + bl /= ratio; + } + + i = Math.floor(6 * h); + v = 1 - bl; + f = 6 * h - i; + if ((i & 0x01) != 0) { + f = 1 - f; + } + n = wh + f * (v - wh); // linear interpolation + + switch (i) { + default: + case 6: + case 0: r = v; g = n; b = wh; break; + case 1: r = n; g = v; b = wh; break; + case 2: r = wh; g = v; b = n; break; + case 3: r = wh; g = n; b = v; break; + case 4: r = n; g = wh; b = v; break; + case 5: r = v; g = wh; b = n; break; + } + + return [r * 255, g * 255, b * 255]; +} + +function hwb2hsl(args) { + return rgb2hsl(hwb2rgb(args)); +} + +function hwb2hsv(args) { + return rgb2hsv(hwb2rgb(args)); +} + +function hwb2cmyk(args) { + return rgb2cmyk(hwb2rgb(args)); +} + +function hwb2keyword(args) { + return rgb2keyword(hwb2rgb(args)); +} + +function cmyk2rgb(cmyk) { + var c = cmyk[0] / 100, + m = cmyk[1] / 100, + y = cmyk[2] / 100, + k = cmyk[3] / 100, + r, g, b; + + r = 1 - Math.min(1, c * (1 - k) + k); + g = 1 - Math.min(1, m * (1 - k) + k); + b = 1 - Math.min(1, y * (1 - k) + k); + return [r * 255, g * 255, b * 255]; +} + +function cmyk2hsl(args) { + return rgb2hsl(cmyk2rgb(args)); +} + +function cmyk2hsv(args) { + return rgb2hsv(cmyk2rgb(args)); +} + +function cmyk2hwb(args) { + return rgb2hwb(cmyk2rgb(args)); +} + +function cmyk2keyword(args) { + return rgb2keyword(cmyk2rgb(args)); +} + + +function xyz2rgb(xyz) { + var x = xyz[0] / 100, + y = xyz[1] / 100, + z = xyz[2] / 100, + r, g, b; + + r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); + g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); + b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); + + // assume sRGB + r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) + : r = (r * 12.92); + + g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) + : g = (g * 12.92); + + b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) + : b = (b * 12.92); + + r = Math.min(Math.max(0, r), 1); + g = Math.min(Math.max(0, g), 1); + b = Math.min(Math.max(0, b), 1); + + return [r * 255, g * 255, b * 255]; +} + +function xyz2lab(xyz) { + var x = xyz[0], + y = xyz[1], + z = xyz[2], + l, a, b; + + x /= 95.047; + y /= 100; + z /= 108.883; + + x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); + y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); + z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); + + l = (116 * y) - 16; + a = 500 * (x - y); + b = 200 * (y - z); + + return [l, a, b]; +} + +function xyz2lch(args) { + return lab2lch(xyz2lab(args)); +} + +function lab2xyz(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + x, y, z, y2; + + if (l <= 8) { + y = (l * 100) / 903.3; + y2 = (7.787 * (y / 100)) + (16 / 116); + } else { + y = 100 * Math.pow((l + 16) / 116, 3); + y2 = Math.pow(y / 100, 1/3); + } + + x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); + + z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); + + return [x, y, z]; +} + +function lab2lch(lab) { + var l = lab[0], + a = lab[1], + b = lab[2], + hr, h, c; + + hr = Math.atan2(b, a); + h = hr * 360 / 2 / Math.PI; + if (h < 0) { + h += 360; + } + c = Math.sqrt(a * a + b * b); + return [l, c, h]; +} + +function lab2rgb(args) { + return xyz2rgb(lab2xyz(args)); +} + +function lch2lab(lch) { + var l = lch[0], + c = lch[1], + h = lch[2], + a, b, hr; + + hr = h / 360 * 2 * Math.PI; + a = c * Math.cos(hr); + b = c * Math.sin(hr); + return [l, a, b]; +} + +function lch2xyz(args) { + return lab2xyz(lch2lab(args)); +} + +function lch2rgb(args) { + return lab2rgb(lch2lab(args)); +} + +function keyword2rgb(keyword) { + return cssKeywords[keyword]; +} + +function keyword2hsl(args) { + return rgb2hsl(keyword2rgb(args)); +} + +function keyword2hsv(args) { + return rgb2hsv(keyword2rgb(args)); +} + +function keyword2hwb(args) { + return rgb2hwb(keyword2rgb(args)); +} + +function keyword2cmyk(args) { + return rgb2cmyk(keyword2rgb(args)); +} + +function keyword2lab(args) { + return rgb2lab(keyword2rgb(args)); +} + +function keyword2xyz(args) { + return rgb2xyz(keyword2rgb(args)); +} + +var cssKeywords = { + aliceblue: [240,248,255], + antiquewhite: [250,235,215], + aqua: [0,255,255], + aquamarine: [127,255,212], + azure: [240,255,255], + beige: [245,245,220], + bisque: [255,228,196], + black: [0,0,0], + blanchedalmond: [255,235,205], + blue: [0,0,255], + blueviolet: [138,43,226], + brown: [165,42,42], + burlywood: [222,184,135], + cadetblue: [95,158,160], + chartreuse: [127,255,0], + chocolate: [210,105,30], + coral: [255,127,80], + cornflowerblue: [100,149,237], + cornsilk: [255,248,220], + crimson: [220,20,60], + cyan: [0,255,255], + darkblue: [0,0,139], + darkcyan: [0,139,139], + darkgoldenrod: [184,134,11], + darkgray: [169,169,169], + darkgreen: [0,100,0], + darkgrey: [169,169,169], + darkkhaki: [189,183,107], + darkmagenta: [139,0,139], + darkolivegreen: [85,107,47], + darkorange: [255,140,0], + darkorchid: [153,50,204], + darkred: [139,0,0], + darksalmon: [233,150,122], + darkseagreen: [143,188,143], + darkslateblue: [72,61,139], + darkslategray: [47,79,79], + darkslategrey: [47,79,79], + darkturquoise: [0,206,209], + darkviolet: [148,0,211], + deeppink: [255,20,147], + deepskyblue: [0,191,255], + dimgray: [105,105,105], + dimgrey: [105,105,105], + dodgerblue: [30,144,255], + firebrick: [178,34,34], + floralwhite: [255,250,240], + forestgreen: [34,139,34], + fuchsia: [255,0,255], + gainsboro: [220,220,220], + ghostwhite: [248,248,255], + gold: [255,215,0], + goldenrod: [218,165,32], + gray: [128,128,128], + green: [0,128,0], + greenyellow: [173,255,47], + grey: [128,128,128], + honeydew: [240,255,240], + hotpink: [255,105,180], + indianred: [205,92,92], + indigo: [75,0,130], + ivory: [255,255,240], + khaki: [240,230,140], + lavender: [230,230,250], + lavenderblush: [255,240,245], + lawngreen: [124,252,0], + lemonchiffon: [255,250,205], + lightblue: [173,216,230], + lightcoral: [240,128,128], + lightcyan: [224,255,255], + lightgoldenrodyellow: [250,250,210], + lightgray: [211,211,211], + lightgreen: [144,238,144], + lightgrey: [211,211,211], + lightpink: [255,182,193], + lightsalmon: [255,160,122], + lightseagreen: [32,178,170], + lightskyblue: [135,206,250], + lightslategray: [119,136,153], + lightslategrey: [119,136,153], + lightsteelblue: [176,196,222], + lightyellow: [255,255,224], + lime: [0,255,0], + limegreen: [50,205,50], + linen: [250,240,230], + magenta: [255,0,255], + maroon: [128,0,0], + mediumaquamarine: [102,205,170], + mediumblue: [0,0,205], + mediumorchid: [186,85,211], + mediumpurple: [147,112,219], + mediumseagreen: [60,179,113], + mediumslateblue: [123,104,238], + mediumspringgreen: [0,250,154], + mediumturquoise: [72,209,204], + mediumvioletred: [199,21,133], + midnightblue: [25,25,112], + mintcream: [245,255,250], + mistyrose: [255,228,225], + moccasin: [255,228,181], + navajowhite: [255,222,173], + navy: [0,0,128], + oldlace: [253,245,230], + olive: [128,128,0], + olivedrab: [107,142,35], + orange: [255,165,0], + orangered: [255,69,0], + orchid: [218,112,214], + palegoldenrod: [238,232,170], + palegreen: [152,251,152], + paleturquoise: [175,238,238], + palevioletred: [219,112,147], + papayawhip: [255,239,213], + peachpuff: [255,218,185], + peru: [205,133,63], + pink: [255,192,203], + plum: [221,160,221], + powderblue: [176,224,230], + purple: [128,0,128], + rebeccapurple: [102, 51, 153], + red: [255,0,0], + rosybrown: [188,143,143], + royalblue: [65,105,225], + saddlebrown: [139,69,19], + salmon: [250,128,114], + sandybrown: [244,164,96], + seagreen: [46,139,87], + seashell: [255,245,238], + sienna: [160,82,45], + silver: [192,192,192], + skyblue: [135,206,235], + slateblue: [106,90,205], + slategray: [112,128,144], + slategrey: [112,128,144], + snow: [255,250,250], + springgreen: [0,255,127], + steelblue: [70,130,180], + tan: [210,180,140], + teal: [0,128,128], + thistle: [216,191,216], + tomato: [255,99,71], + turquoise: [64,224,208], + violet: [238,130,238], + wheat: [245,222,179], + white: [255,255,255], + whitesmoke: [245,245,245], + yellow: [255,255,0], + yellowgreen: [154,205,50] +}; + +var reverseKeywords = {}; +for (var key in cssKeywords) { + reverseKeywords[JSON.stringify(cssKeywords[key])] = key; +} + +},{}],5:[function(require,module,exports){ +var conversions = require(4); + +var convert = function() { + return new Converter(); +} + +for (var func in conversions) { + // export Raw versions + convert[func + "Raw"] = (function(func) { + // accept array or plain args + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + return conversions[func](arg); + } + })(func); + + var pair = /(\w+)2(\w+)/.exec(func), + from = pair[1], + to = pair[2]; + + // export rgb2hsl and ["rgb"]["hsl"] + convert[from] = convert[from] || {}; + + convert[from][to] = convert[func] = (function(func) { + return function(arg) { + if (typeof arg == "number") + arg = Array.prototype.slice.call(arguments); + + var val = conversions[func](arg); + if (typeof val == "string" || val === undefined) + return val; // keyword + + for (var i = 0; i < val.length; i++) + val[i] = Math.round(val[i]); + return val; + } + })(func); +} + + +/* Converter does lazy conversion and caching */ +var Converter = function() { + this.convs = {}; +}; + +/* Either get the values for a space or + set the values for a space, depending on args */ +Converter.prototype.routeSpace = function(space, args) { + var values = args[0]; + if (values === undefined) { + // color.rgb() + return this.getValues(space); + } + // color.rgb(10, 10, 10) + if (typeof values == "number") { + values = Array.prototype.slice.call(args); + } + + return this.setValues(space, values); +}; + +/* Set the values for a space, invalidating cache */ +Converter.prototype.setValues = function(space, values) { + this.space = space; + this.convs = {}; + this.convs[space] = values; + return this; +}; + +/* Get the values for a space. If there's already + a conversion for the space, fetch it, otherwise + compute it */ +Converter.prototype.getValues = function(space) { + var vals = this.convs[space]; + if (!vals) { + var fspace = this.space, + from = this.convs[fspace]; + vals = convert[fspace][space](from); + + this.convs[space] = vals; + } + return vals; +}; + +["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { + Converter.prototype[space] = function(vals) { + return this.routeSpace(space, arguments); + } +}); + +module.exports = convert; +},{"4":4}],6:[function(require,module,exports){ +module.exports = { + "aliceblue": [240, 248, 255], + "antiquewhite": [250, 235, 215], + "aqua": [0, 255, 255], + "aquamarine": [127, 255, 212], + "azure": [240, 255, 255], + "beige": [245, 245, 220], + "bisque": [255, 228, 196], + "black": [0, 0, 0], + "blanchedalmond": [255, 235, 205], + "blue": [0, 0, 255], + "blueviolet": [138, 43, 226], + "brown": [165, 42, 42], + "burlywood": [222, 184, 135], + "cadetblue": [95, 158, 160], + "chartreuse": [127, 255, 0], + "chocolate": [210, 105, 30], + "coral": [255, 127, 80], + "cornflowerblue": [100, 149, 237], + "cornsilk": [255, 248, 220], + "crimson": [220, 20, 60], + "cyan": [0, 255, 255], + "darkblue": [0, 0, 139], + "darkcyan": [0, 139, 139], + "darkgoldenrod": [184, 134, 11], + "darkgray": [169, 169, 169], + "darkgreen": [0, 100, 0], + "darkgrey": [169, 169, 169], + "darkkhaki": [189, 183, 107], + "darkmagenta": [139, 0, 139], + "darkolivegreen": [85, 107, 47], + "darkorange": [255, 140, 0], + "darkorchid": [153, 50, 204], + "darkred": [139, 0, 0], + "darksalmon": [233, 150, 122], + "darkseagreen": [143, 188, 143], + "darkslateblue": [72, 61, 139], + "darkslategray": [47, 79, 79], + "darkslategrey": [47, 79, 79], + "darkturquoise": [0, 206, 209], + "darkviolet": [148, 0, 211], + "deeppink": [255, 20, 147], + "deepskyblue": [0, 191, 255], + "dimgray": [105, 105, 105], + "dimgrey": [105, 105, 105], + "dodgerblue": [30, 144, 255], + "firebrick": [178, 34, 34], + "floralwhite": [255, 250, 240], + "forestgreen": [34, 139, 34], + "fuchsia": [255, 0, 255], + "gainsboro": [220, 220, 220], + "ghostwhite": [248, 248, 255], + "gold": [255, 215, 0], + "goldenrod": [218, 165, 32], + "gray": [128, 128, 128], + "green": [0, 128, 0], + "greenyellow": [173, 255, 47], + "grey": [128, 128, 128], + "honeydew": [240, 255, 240], + "hotpink": [255, 105, 180], + "indianred": [205, 92, 92], + "indigo": [75, 0, 130], + "ivory": [255, 255, 240], + "khaki": [240, 230, 140], + "lavender": [230, 230, 250], + "lavenderblush": [255, 240, 245], + "lawngreen": [124, 252, 0], + "lemonchiffon": [255, 250, 205], + "lightblue": [173, 216, 230], + "lightcoral": [240, 128, 128], + "lightcyan": [224, 255, 255], + "lightgoldenrodyellow": [250, 250, 210], + "lightgray": [211, 211, 211], + "lightgreen": [144, 238, 144], + "lightgrey": [211, 211, 211], + "lightpink": [255, 182, 193], + "lightsalmon": [255, 160, 122], + "lightseagreen": [32, 178, 170], + "lightskyblue": [135, 206, 250], + "lightslategray": [119, 136, 153], + "lightslategrey": [119, 136, 153], + "lightsteelblue": [176, 196, 222], + "lightyellow": [255, 255, 224], + "lime": [0, 255, 0], + "limegreen": [50, 205, 50], + "linen": [250, 240, 230], + "magenta": [255, 0, 255], + "maroon": [128, 0, 0], + "mediumaquamarine": [102, 205, 170], + "mediumblue": [0, 0, 205], + "mediumorchid": [186, 85, 211], + "mediumpurple": [147, 112, 219], + "mediumseagreen": [60, 179, 113], + "mediumslateblue": [123, 104, 238], + "mediumspringgreen": [0, 250, 154], + "mediumturquoise": [72, 209, 204], + "mediumvioletred": [199, 21, 133], + "midnightblue": [25, 25, 112], + "mintcream": [245, 255, 250], + "mistyrose": [255, 228, 225], + "moccasin": [255, 228, 181], + "navajowhite": [255, 222, 173], + "navy": [0, 0, 128], + "oldlace": [253, 245, 230], + "olive": [128, 128, 0], + "olivedrab": [107, 142, 35], + "orange": [255, 165, 0], + "orangered": [255, 69, 0], + "orchid": [218, 112, 214], + "palegoldenrod": [238, 232, 170], + "palegreen": [152, 251, 152], + "paleturquoise": [175, 238, 238], + "palevioletred": [219, 112, 147], + "papayawhip": [255, 239, 213], + "peachpuff": [255, 218, 185], + "peru": [205, 133, 63], + "pink": [255, 192, 203], + "plum": [221, 160, 221], + "powderblue": [176, 224, 230], + "purple": [128, 0, 128], + "rebeccapurple": [102, 51, 153], + "red": [255, 0, 0], + "rosybrown": [188, 143, 143], + "royalblue": [65, 105, 225], + "saddlebrown": [139, 69, 19], + "salmon": [250, 128, 114], + "sandybrown": [244, 164, 96], + "seagreen": [46, 139, 87], + "seashell": [255, 245, 238], + "sienna": [160, 82, 45], + "silver": [192, 192, 192], + "skyblue": [135, 206, 235], + "slateblue": [106, 90, 205], + "slategray": [112, 128, 144], + "slategrey": [112, 128, 144], + "snow": [255, 250, 250], + "springgreen": [0, 255, 127], + "steelblue": [70, 130, 180], + "tan": [210, 180, 140], + "teal": [0, 128, 128], + "thistle": [216, 191, 216], + "tomato": [255, 99, 71], + "turquoise": [64, 224, 208], + "violet": [238, 130, 238], + "wheat": [245, 222, 179], + "white": [255, 255, 255], + "whitesmoke": [245, 245, 245], + "yellow": [255, 255, 0], + "yellowgreen": [154, 205, 50] +}; +},{}],7:[function(require,module,exports){ +/** + * @namespace Chart + */ +var Chart = require(28)(); + +require(26)(Chart); +require(42)(Chart); +require(22)(Chart); +require(31)(Chart); +require(25)(Chart); +require(21)(Chart); +require(23)(Chart); +require(24)(Chart); +require(29)(Chart); +require(33)(Chart); +require(34)(Chart); +require(32)(Chart); +require(35)(Chart); +require(30)(Chart); +require(27)(Chart); +require(36)(Chart); + +require(37)(Chart); +require(38)(Chart); +require(39)(Chart); +require(40)(Chart); + +require(45)(Chart); +require(43)(Chart); +require(44)(Chart); +require(46)(Chart); +require(47)(Chart); +require(48)(Chart); + +// Controllers must be loaded after elements +// See Chart.core.datasetController.dataElementType +require(15)(Chart); +require(16)(Chart); +require(17)(Chart); +require(18)(Chart); +require(19)(Chart); +require(20)(Chart); + +require(8)(Chart); +require(9)(Chart); +require(10)(Chart); +require(11)(Chart); +require(12)(Chart); +require(13)(Chart); +require(14)(Chart); + +window.Chart = module.exports = Chart; + +},{"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"18":18,"19":19,"20":20,"21":21,"22":22,"23":23,"24":24,"25":25,"26":26,"27":27,"28":28,"29":29,"30":30,"31":31,"32":32,"33":33,"34":34,"35":35,"36":36,"37":37,"38":38,"39":39,"40":40,"42":42,"43":43,"44":44,"45":45,"46":46,"47":47,"48":48,"8":8,"9":9}],8:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Bar = function(context, config) { + config.type = 'bar'; + + return new Chart(context, config); + }; + +}; + +},{}],9:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Bubble = function(context, config) { + config.type = 'bubble'; + return new Chart(context, config); + }; + +}; + +},{}],10:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Doughnut = function(context, config) { + config.type = 'doughnut'; + + return new Chart(context, config); + }; + +}; + +},{}],11:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Line = function(context, config) { + config.type = 'line'; + + return new Chart(context, config); + }; + +}; + +},{}],12:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.PolarArea = function(context, config) { + config.type = 'polarArea'; + + return new Chart(context, config); + }; + +}; + +},{}],13:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + Chart.Radar = function(context, config) { + config.type = 'radar'; + + return new Chart(context, config); + }; + +}; + +},{}],14:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var defaultConfig = { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + type: 'linear', // scatter should not use a category axis + position: 'bottom', + id: 'x-axis-1' // need an ID so datasets can reference the scale + }], + yAxes: [{ + type: 'linear', + position: 'left', + id: 'y-axis-1' + }] + }, + + tooltips: { + callbacks: { + title: function() { + // Title doesn't make sense for scatter since we format the data as a point + return ''; + }, + label: function(tooltipItem) { + return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')'; + } + } + } + }; + + // Register the default config for this type + Chart.defaults.scatter = defaultConfig; + + // Scatter charts use line controllers + Chart.controllers.scatter = Chart.controllers.line; + + Chart.Scatter = function(context, config) { + config.type = 'scatter'; + return new Chart(context, config); + }; + +}; + +},{}],15:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.bar = { + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + + // Specific to Bar Controller + categoryPercentage: 0.8, + barPercentage: 0.9, + + // grid line settings + gridLines: { + offsetGridLines: true + } + }], + yAxes: [{ + type: 'linear' + }] + } + }; + + Chart.controllers.bar = Chart.DatasetController.extend({ + + dataElementType: Chart.elements.Rectangle, + + initialize: function(chart, datasetIndex) { + Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex); + + var me = this; + var meta = me.getMeta(); + var dataset = me.getDataset(); + + meta.stack = dataset.stack; + // Use this to indicate that this is a bar dataset. + meta.bar = true; + }, + + // Correctly calculate the bar width accounting for stacks and the fact that not all bars are visible + getStackCount: function() { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + + var stacks = []; + helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) { + var dsMeta = me.chart.getDatasetMeta(datasetIndex); + if (dsMeta.bar && me.chart.isDatasetVisible(datasetIndex) && + (yScale.options.stacked === false || + (yScale.options.stacked === true && stacks.indexOf(dsMeta.stack) === -1) || + (yScale.options.stacked === undefined && (dsMeta.stack === undefined || stacks.indexOf(dsMeta.stack) === -1)))) { + stacks.push(dsMeta.stack); + } + }, me); + + return stacks.length; + }, + + update: function(reset) { + var me = this; + helpers.each(me.getMeta().data, function(rectangle, index) { + me.updateElement(rectangle, index, reset); + }, me); + }, + + updateElement: function(rectangle, index, reset) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var yScale = me.getScaleForId(meta.yAxisID); + var scaleBase = yScale.getBasePixel(); + var rectangleElementOptions = me.chart.options.elements.rectangle; + var custom = rectangle.custom || {}; + var dataset = me.getDataset(); + + rectangle._xScale = xScale; + rectangle._yScale = yScale; + rectangle._datasetIndex = me.index; + rectangle._index = index; + + var ruler = me.getRuler(index); // The index argument for compatible + rectangle._model = { + x: me.calculateBarX(index, me.index, ruler), + y: reset ? scaleBase : me.calculateBarY(index, me.index), + + // Tooltip + label: me.chart.data.labels[index], + datasetLabel: dataset.label, + + // Appearance + horizontal: false, + base: reset ? scaleBase : me.calculateBarBase(me.index, index), + width: me.calculateBarWidth(ruler), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor), + borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleElementOptions.borderSkipped, + borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor), + borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth) + }; + + rectangle.pivot(); + }, + + calculateBarBase: function(datasetIndex, index) { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var base = yScale.getBaseValue(); + var original = base; + + if ((yScale.options.stacked === true) || + (yScale.options.stacked === undefined && meta.stack !== undefined)) { + var chart = me.chart; + var datasets = chart.data.datasets; + var value = Number(datasets[datasetIndex].data[index]); + + for (var i = 0; i < datasetIndex; i++) { + var currentDs = datasets[i]; + var currentDsMeta = chart.getDatasetMeta(i); + if (currentDsMeta.bar && currentDsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i) && + meta.stack === currentDsMeta.stack) { + var currentVal = Number(currentDs.data[index]); + base += value < 0 ? Math.min(currentVal, original) : Math.max(currentVal, original); + } + } + + return yScale.getPixelForValue(base); + } + + return yScale.getBasePixel(); + }, + + getRuler: function() { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var stackCount = me.getStackCount(); + + var tickWidth = xScale.width / xScale.ticks.length; + var categoryWidth = tickWidth * xScale.options.categoryPercentage; + var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2; + var fullBarWidth = categoryWidth / stackCount; + + var barWidth = fullBarWidth * xScale.options.barPercentage; + var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage); + + return { + stackCount: stackCount, + tickWidth: tickWidth, + categoryWidth: categoryWidth, + categorySpacing: categorySpacing, + fullBarWidth: fullBarWidth, + barWidth: barWidth, + barSpacing: barSpacing + }; + }, + + calculateBarWidth: function(ruler) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + if (xScale.options.barThickness) { + return xScale.options.barThickness; + } + return ruler.barWidth; + }, + + // Get stack index from the given dataset index accounting for stacks and the fact that not all bars are visible + getStackIndex: function(datasetIndex) { + var me = this; + var meta = me.chart.getDatasetMeta(datasetIndex); + var yScale = me.getScaleForId(meta.yAxisID); + var dsMeta, j; + var stacks = [meta.stack]; + + for (j = 0; j < datasetIndex; ++j) { + dsMeta = this.chart.getDatasetMeta(j); + if (dsMeta.bar && this.chart.isDatasetVisible(j) && + (yScale.options.stacked === false || + (yScale.options.stacked === true && stacks.indexOf(dsMeta.stack) === -1) || + (yScale.options.stacked === undefined && (dsMeta.stack === undefined || stacks.indexOf(dsMeta.stack) === -1)))) { + stacks.push(dsMeta.stack); + } + } + + return stacks.length - 1; + }, + + calculateBarX: function(index, datasetIndex, ruler) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var stackIndex = me.getStackIndex(datasetIndex); + var leftTick = xScale.getPixelForValue(null, index, datasetIndex, me.chart.isCombo); + leftTick -= me.chart.isCombo ? (ruler.tickWidth / 2) : 0; + + return leftTick + + (ruler.barWidth / 2) + + ruler.categorySpacing + + (ruler.barWidth * stackIndex) + + (ruler.barSpacing / 2) + + (ruler.barSpacing * stackIndex); + }, + + calculateBarY: function(index, datasetIndex) { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var value = Number(me.getDataset().data[index]); + + if (yScale.options.stacked || + (yScale.options.stacked === undefined && meta.stack !== undefined)) { + var base = yScale.getBaseValue(); + var sumPos = base, + sumNeg = base; + + for (var i = 0; i < datasetIndex; i++) { + var ds = me.chart.data.datasets[i]; + var dsMeta = me.chart.getDatasetMeta(i); + if (dsMeta.bar && dsMeta.yAxisID === yScale.id && me.chart.isDatasetVisible(i) && + meta.stack === dsMeta.stack) { + var stackedVal = Number(ds.data[index]); + if (stackedVal < 0) { + sumNeg += stackedVal || 0; + } else { + sumPos += stackedVal || 0; + } + } + } + + if (value < 0) { + return yScale.getPixelForValue(sumNeg + value); + } + return yScale.getPixelForValue(sumPos + value); + } + + return yScale.getPixelForValue(value); + }, + + draw: function(ease) { + var me = this; + var easingDecimal = ease || 1; + var metaData = me.getMeta().data; + var dataset = me.getDataset(); + var i, len; + + Chart.canvasHelpers.clipArea(me.chart.chart.ctx, me.chart.chartArea); + for (i = 0, len = metaData.length; i < len; ++i) { + var d = dataset.data[i]; + if (d !== null && d !== undefined && !isNaN(d)) { + metaData[i].transition(easingDecimal).draw(); + } + } + Chart.canvasHelpers.unclipArea(me.chart.chart.ctx); + }, + + 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({ + + // Correctly calculate the bar width accounting for stacks and the fact that not all bars are visible + getStackCount: function() { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + + var stacks = []; + helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) { + var dsMeta = me.chart.getDatasetMeta(datasetIndex); + if (dsMeta.bar && me.chart.isDatasetVisible(datasetIndex) && + (xScale.options.stacked === false || + (xScale.options.stacked === true && stacks.indexOf(dsMeta.stack) === -1) || + (xScale.options.stacked === undefined && (dsMeta.stack === undefined || stacks.indexOf(dsMeta.stack) === -1)))) { + stacks.push(dsMeta.stack); + } + }, me); + + return stacks.length; + }, + + updateElement: function(rectangle, index, reset) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var yScale = me.getScaleForId(meta.yAxisID); + var scaleBase = xScale.getBasePixel(); + var custom = rectangle.custom || {}; + var dataset = me.getDataset(); + var rectangleElementOptions = me.chart.options.elements.rectangle; + + rectangle._xScale = xScale; + rectangle._yScale = yScale; + rectangle._datasetIndex = me.index; + rectangle._index = index; + + var ruler = me.getRuler(index); // The index argument for compatible + rectangle._model = { + x: reset ? scaleBase : me.calculateBarX(index, me.index), + y: me.calculateBarY(index, me.index, ruler), + + // Tooltip + label: me.chart.data.labels[index], + datasetLabel: dataset.label, + + // Appearance + horizontal: true, + base: reset ? scaleBase : me.calculateBarBase(me.index, index), + height: me.calculateBarHeight(ruler), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor), + borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleElementOptions.borderSkipped, + borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor), + borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth) + }; + + rectangle.pivot(); + }, + + calculateBarBase: function(datasetIndex, index) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var base = xScale.getBaseValue(); + var originalBase = base; + + if (xScale.options.stacked || + (xScale.options.stacked === undefined && meta.stack !== undefined)) { + var chart = me.chart; + var datasets = chart.data.datasets; + var value = Number(datasets[datasetIndex].data[index]); + + for (var i = 0; i < datasetIndex; i++) { + var currentDs = datasets[i]; + var currentDsMeta = chart.getDatasetMeta(i); + if (currentDsMeta.bar && currentDsMeta.xAxisID === xScale.id && chart.isDatasetVisible(i) && + meta.stack === currentDsMeta.stack) { + var currentVal = Number(currentDs.data[index]); + base += value < 0 ? Math.min(currentVal, originalBase) : Math.max(currentVal, originalBase); + } + } + + return xScale.getPixelForValue(base); + } + + return xScale.getBasePixel(); + }, + + getRuler: function() { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var stackCount = me.getStackCount(); + + var tickHeight = yScale.height / yScale.ticks.length; + var categoryHeight = tickHeight * yScale.options.categoryPercentage; + var categorySpacing = (tickHeight - (tickHeight * yScale.options.categoryPercentage)) / 2; + var fullBarHeight = categoryHeight / stackCount; + + var barHeight = fullBarHeight * yScale.options.barPercentage; + var barSpacing = fullBarHeight - (fullBarHeight * yScale.options.barPercentage); + + return { + stackCount: stackCount, + tickHeight: tickHeight, + categoryHeight: categoryHeight, + categorySpacing: categorySpacing, + fullBarHeight: fullBarHeight, + barHeight: barHeight, + barSpacing: barSpacing + }; + }, + + calculateBarHeight: function(ruler) { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + if (yScale.options.barThickness) { + return yScale.options.barThickness; + } + return ruler.barHeight; + }, + + // Get stack index from the given dataset index accounting for stacks and the fact that not all bars are visible + getStackIndex: function(datasetIndex) { + var me = this; + var meta = me.chart.getDatasetMeta(datasetIndex); + var xScale = me.getScaleForId(meta.xAxisID); + var dsMeta, j; + var stacks = [meta.stack]; + + for (j = 0; j < datasetIndex; ++j) { + dsMeta = this.chart.getDatasetMeta(j); + if (dsMeta.bar && this.chart.isDatasetVisible(j) && + (xScale.options.stacked === false || + (xScale.options.stacked === true && stacks.indexOf(dsMeta.stack) === -1) || + (xScale.options.stacked === undefined && (dsMeta.stack === undefined || stacks.indexOf(dsMeta.stack) === -1)))) { + stacks.push(dsMeta.stack); + } + } + + return stacks.length - 1; + }, + + calculateBarX: function(index, datasetIndex) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var value = Number(me.getDataset().data[index]); + + if (xScale.options.stacked || + (xScale.options.stacked === undefined && meta.stack !== undefined)) { + var base = xScale.getBaseValue(); + var sumPos = base, + sumNeg = base; + + for (var i = 0; i < datasetIndex; i++) { + var ds = me.chart.data.datasets[i]; + var dsMeta = me.chart.getDatasetMeta(i); + if (dsMeta.bar && dsMeta.xAxisID === xScale.id && me.chart.isDatasetVisible(i) && + meta.stack === dsMeta.stack) { + var stackedVal = Number(ds.data[index]); + if (stackedVal < 0) { + sumNeg += stackedVal || 0; + } else { + sumPos += stackedVal || 0; + } + } + } + + if (value < 0) { + return xScale.getPixelForValue(sumNeg + value); + } + return xScale.getPixelForValue(sumPos + value); + } + + return xScale.getPixelForValue(value); + }, + + calculateBarY: function(index, datasetIndex, ruler) { + var me = this; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var stackIndex = me.getStackIndex(datasetIndex); + var topTick = yScale.getPixelForValue(null, index, datasetIndex, me.chart.isCombo); + topTick -= me.chart.isCombo ? (ruler.tickHeight / 2) : 0; + + return topTick + + (ruler.barHeight / 2) + + ruler.categorySpacing + + (ruler.barHeight * stackIndex) + + (ruler.barSpacing / 2) + + (ruler.barSpacing * stackIndex); + } + }); +}; + +},{}],16:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.bubble = { + hover: { + mode: 'single' + }, + + scales: { + xAxes: [{ + type: 'linear', // bubble should probably use a linear scale by default + position: 'bottom', + id: 'x-axis-0' // need an ID so datasets can reference the scale + }], + yAxes: [{ + type: 'linear', + position: 'left', + id: 'y-axis-0' + }] + }, + + tooltips: { + callbacks: { + title: function() { + // Title doesn't make sense for scatter since we format the data as a point + return ''; + }, + label: function(tooltipItem, data) { + var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; + var dataPoint = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; + return datasetLabel + ': (' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ', ' + dataPoint.r + ')'; + } + } + } + }; + + Chart.controllers.bubble = Chart.DatasetController.extend({ + + dataElementType: Chart.elements.Point, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var points = meta.data; + + // Update Points + helpers.each(points, function(point, index) { + me.updateElement(point, index, reset); + }); + }, + + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var xScale = me.getScaleForId(meta.xAxisID); + var yScale = me.getScaleForId(meta.yAxisID); + + var custom = point.custom || {}; + var dataset = me.getDataset(); + var data = dataset.data[index]; + var pointElementOptions = me.chart.options.elements.point; + var dsIndex = me.index; + + helpers.extend(point, { + // Utility + _xScale: xScale, + _yScale: yScale, + _datasetIndex: dsIndex, + _index: index, + + // Desired view properties + _model: { + x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex, me.chart.isCombo), + y: reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex), + // Appearance + radius: reset ? 0 : custom.radius ? custom.radius : me.getRadius(data), + + // Tooltip + hitRadius: custom.hitRadius ? custom.hitRadius : helpers.getValueAtIndexOrDefault(dataset.hitRadius, index, pointElementOptions.hitRadius) + } + }); + + // Trick to reset the styles of the point + Chart.DatasetController.prototype.removeHoverStyle.call(me, point, pointElementOptions); + + var model = point._model; + model.skip = custom.skip ? custom.skip : (isNaN(model.x) || isNaN(model.y)); + + point.pivot(); + }, + + getRadius: function(value) { + return value.r || this.chart.options.elements.point.radius; + }, + + setHoverStyle: function(point) { + var me = this; + Chart.DatasetController.prototype.setHoverStyle.call(me, point); + + // Radius + var dataset = me.chart.data.datasets[point._datasetIndex]; + var index = point._index; + var custom = point.custom || {}; + var model = point._model; + model.radius = custom.hoverRadius ? custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, me.chart.options.elements.point.hoverRadius)) + me.getRadius(dataset.data[index]); + }, + + removeHoverStyle: function(point) { + var me = this; + Chart.DatasetController.prototype.removeHoverStyle.call(me, point, me.chart.options.elements.point); + + var dataVal = me.chart.data.datasets[point._datasetIndex].data[point._index]; + var custom = point.custom || {}; + var model = point._model; + + model.radius = custom.radius ? custom.radius : me.getRadius(dataVal); + } + }); +}; + +},{}],17:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers, + defaults = Chart.defaults; + + defaults.doughnut = { + animation: { + // Boolean - Whether we animate the rotation of the Doughnut + animateRotate: true, + // Boolean - Whether we animate scaling the Doughnut from the centre + animateScale: false + }, + aspectRatio: 1, + hover: { + mode: 'single' + }, + legendCallback: function(chart) { + var text = []; + text.push('<ul class="' + chart.id + '-legend">'); + + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + + if (datasets.length) { + for (var i = 0; i < datasets[0].data.length; ++i) { + text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>'); + if (labels[i]) { + text.push(labels[i]); + } + text.push('</li>'); + } + } + + text.push('</ul>'); + return text.join(''); + }, + legend: { + labels: { + generateLabels: function(chart) { + var data = chart.data; + if (data.labels.length && data.datasets.length) { + return data.labels.map(function(label, i) { + var meta = chart.getDatasetMeta(0); + var ds = data.datasets[0]; + var arc = meta.data[i]; + var custom = arc && arc.custom || {}; + var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; + var arcOpts = chart.options.elements.arc; + var fill = custom.backgroundColor ? custom.backgroundColor : getValueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); + var stroke = custom.borderColor ? custom.borderColor : getValueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); + var bw = custom.borderWidth ? custom.borderWidth : getValueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); + + return { + text: label, + fillStyle: fill, + strokeStyle: stroke, + lineWidth: bw, + hidden: isNaN(ds.data[i]) || meta.data[i].hidden, + + // Extra data used for toggling the correct item + index: i + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + // toggle visibility of index if exists + if (meta.data[index]) { + meta.data[index].hidden = !meta.data[index].hidden; + } + } + + chart.update(); + } + }, + + // The percentage of the chart that we cut out of the middle. + cutoutPercentage: 50, + + // The rotation of the chart, where the first data arc begins. + rotation: Math.PI * -0.5, + + // The total circumference of the chart. + circumference: Math.PI * 2.0, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(tooltipItem, data) { + var dataLabel = data.labels[tooltipItem.index]; + var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; + + if (helpers.isArray(dataLabel)) { + // show value on first line of multiline label + // need to clone because we are changing the value + dataLabel = dataLabel.slice(); + dataLabel[0] += value; + } else { + dataLabel += value; + } + + return dataLabel; + } + } + } + }; + + defaults.pie = helpers.clone(defaults.doughnut); + helpers.extend(defaults.pie, { + cutoutPercentage: 0 + }); + + + Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({ + + dataElementType: Chart.elements.Arc, + + linkScales: helpers.noop, + + // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly + getRingIndex: function(datasetIndex) { + var ringIndex = 0; + + for (var j = 0; j < datasetIndex; ++j) { + if (this.chart.isDatasetVisible(j)) { + ++ringIndex; + } + } + + return ringIndex; + }, + + update: function(reset) { + var me = this; + var chart = me.chart, + chartArea = chart.chartArea, + opts = chart.options, + arcOpts = opts.elements.arc, + availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth, + availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth, + minSize = Math.min(availableWidth, availableHeight), + offset = { + x: 0, + y: 0 + }, + meta = me.getMeta(), + cutoutPercentage = opts.cutoutPercentage, + circumference = opts.circumference; + + // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc + if (circumference < Math.PI * 2.0) { + var startAngle = opts.rotation % (Math.PI * 2.0); + startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); + var endAngle = startAngle + circumference; + var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; + var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; + var contains0 = (startAngle <= 0 && 0 <= endAngle) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); + var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); + var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); + var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); + var cutout = cutoutPercentage / 100.0; + var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; + var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; + var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; + minSize = Math.min(availableWidth / size.width, availableHeight / size.height); + offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; + } + + chart.borderWidth = me.getMaxBorderWidth(meta.data); + chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); + chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); + chart.offsetX = offset.x * chart.outerRadius; + chart.offsetY = offset.y * chart.outerRadius; + + meta.total = me.calculateTotal(); + + me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index)); + me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0); + + helpers.each(meta.data, function(arc, index) { + me.updateElement(arc, index, reset); + }); + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart, + chartArea = chart.chartArea, + opts = chart.options, + animationOpts = opts.animation, + centerX = (chartArea.left + chartArea.right) / 2, + centerY = (chartArea.top + chartArea.bottom) / 2, + startAngle = opts.rotation, // non reset case handled later + endAngle = opts.rotation, // non reset case handled later + dataset = me.getDataset(), + circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)), + innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius, + outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius, + valueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; + + helpers.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + + // Desired view properties + _model: { + x: centerX + chart.offsetX, + y: centerY + chart.offsetY, + startAngle: startAngle, + endAngle: endAngle, + circumference: circumference, + outerRadius: outerRadius, + innerRadius: innerRadius, + label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) + } + }); + + var model = arc._model; + // Resets the visual styles + this.removeHoverStyle(arc); + + // Set correct angles if not resetting + if (!reset || !animationOpts.animateRotate) { + if (index === 0) { + model.startAngle = opts.rotation; + } else { + model.startAngle = me.getMeta().data[index - 1]._model.endAngle; + } + + model.endAngle = model.startAngle + model.circumference; + } + + arc.pivot(); + }, + + removeHoverStyle: function(arc) { + Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); + }, + + calculateTotal: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var total = 0; + var value; + + helpers.each(meta.data, function(element, index) { + value = dataset.data[index]; + if (!isNaN(value) && !element.hidden) { + total += Math.abs(value); + } + }); + + /* if (total === 0) { + total = NaN; + }*/ + + return total; + }, + + calculateCircumference: function(value) { + var total = this.getMeta().total; + if (total > 0 && !isNaN(value)) { + return (Math.PI * 2.0) * (value / total); + } + return 0; + }, + + // gets the max border or hover width to properly scale pie charts + getMaxBorderWidth: function(elements) { + var max = 0, + index = this.index, + length = elements.length, + borderWidth, + hoverWidth; + + for (var i = 0; i < length; i++) { + borderWidth = elements[i]._model ? elements[i]._model.borderWidth : 0; + hoverWidth = elements[i]._chart ? elements[i]._chart.config.data.datasets[index].hoverBorderWidth : 0; + + max = borderWidth > max ? borderWidth : max; + max = hoverWidth > max ? hoverWidth : max; + } + return max; + } + }); +}; + +},{}],18:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.line = { + showLines: true, + spanGaps: false, + + hover: { + mode: 'label' + }, + + scales: { + xAxes: [{ + type: 'category', + id: 'x-axis-0' + }], + yAxes: [{ + type: 'linear', + id: 'y-axis-0' + }] + } + }; + + function lineEnabled(dataset, options) { + return helpers.getValueOrDefault(dataset.showLine, options.showLines); + } + + Chart.controllers.line = Chart.DatasetController.extend({ + + datasetElementType: Chart.elements.Line, + + dataElementType: Chart.elements.Point, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data || []; + var options = me.chart.options; + var lineElementOptions = options.elements.line; + var scale = me.getScaleForId(meta.yAxisID); + var i, ilen, custom; + var dataset = me.getDataset(); + var showLine = lineEnabled(dataset, options); + + // Update Line + if (showLine) { + custom = line.custom || {}; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { + dataset.lineTension = dataset.tension; + } + + // Utility + line._scale = scale; + line._datasetIndex = me.index; + // Data + line._children = points; + // Model + line._model = { + // Appearance + // The default behavior of lines is to break at null values, according + // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 + // This option gives lines the ability to span gaps + spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps, + tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.lineTension, lineElementOptions.tension), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), + borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), + borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), + borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), + borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), + borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), + borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), + fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), + steppedLine: custom.steppedLine ? custom.steppedLine : helpers.getValueOrDefault(dataset.steppedLine, lineElementOptions.stepped), + cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.getValueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode), + // Scale + scaleTop: scale.top, + scaleBottom: scale.bottom, + scaleZero: scale.getBasePixel() + }; + + line.pivot(); + } + + // Update Points + for (i=0, ilen=points.length; i<ilen; ++i) { + me.updateElement(points[i], i, reset); + } + + if (showLine && line._model.tension !== 0) { + me.updateBezierControlPoints(); + } + + // Now pivot the point for animation + for (i=0, ilen=points.length; i<ilen; ++i) { + points[i].pivot(); + } + }, + + getPointBackgroundColor: function(point, index) { + var backgroundColor = this.chart.options.elements.point.backgroundColor; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (custom.backgroundColor) { + backgroundColor = custom.backgroundColor; + } else if (dataset.pointBackgroundColor) { + backgroundColor = helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor); + } else if (dataset.backgroundColor) { + backgroundColor = dataset.backgroundColor; + } + + return backgroundColor; + }, + + getPointBorderColor: function(point, index) { + var borderColor = this.chart.options.elements.point.borderColor; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (custom.borderColor) { + borderColor = custom.borderColor; + } else if (dataset.pointBorderColor) { + borderColor = helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor); + } else if (dataset.borderColor) { + borderColor = dataset.borderColor; + } + + return borderColor; + }, + + getPointBorderWidth: function(point, index) { + var borderWidth = this.chart.options.elements.point.borderWidth; + var dataset = this.getDataset(); + var custom = point.custom || {}; + + if (!isNaN(custom.borderWidth)) { + borderWidth = custom.borderWidth; + } else if (!isNaN(dataset.pointBorderWidth)) { + borderWidth = helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth); + } else if (!isNaN(dataset.borderWidth)) { + borderWidth = dataset.borderWidth; + } + + return borderWidth; + }, + + updateElement: function(point, index, reset) { + var me = this; + var meta = me.getMeta(); + var custom = point.custom || {}; + var dataset = me.getDataset(); + var datasetIndex = me.index; + var value = dataset.data[index]; + var yScale = me.getScaleForId(meta.yAxisID); + var xScale = me.getScaleForId(meta.xAxisID); + var pointOptions = me.chart.options.elements.point; + var x, y; + var labels = me.chart.data.labels || []; + var includeOffset = (labels.length === 1 || dataset.data.length === 1) || me.chart.isCombo; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { + dataset.pointRadius = dataset.radius; + } + if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { + dataset.pointHitRadius = dataset.hitRadius; + } + + x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex, includeOffset); + y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); + + // Utility + point._xScale = xScale; + point._yScale = yScale; + point._datasetIndex = datasetIndex; + point._index = index; + + // Desired view properties + point._model = { + x: x, + y: y, + skip: custom.skip || isNaN(x) || isNaN(y), + // Appearance + radius: custom.radius || helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius), + pointStyle: custom.pointStyle || helpers.getValueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle), + backgroundColor: me.getPointBackgroundColor(point, index), + borderColor: me.getPointBorderColor(point, index), + borderWidth: me.getPointBorderWidth(point, index), + tension: meta.dataset._model ? meta.dataset._model.tension : 0, + steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false, + // Tooltip + hitRadius: custom.hitRadius || helpers.getValueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) + }; + }, + + calculatePointY: function(value, index, datasetIndex) { + var me = this; + var chart = me.chart; + var meta = me.getMeta(); + var yScale = me.getScaleForId(meta.yAxisID); + var sumPos = 0; + var sumNeg = 0; + var i, ds, dsMeta; + + if (yScale.options.stacked) { + for (i = 0; i < datasetIndex; i++) { + ds = chart.data.datasets[i]; + dsMeta = chart.getDatasetMeta(i); + if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { + var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); + if (stackedRightValue < 0) { + sumNeg += stackedRightValue || 0; + } else { + sumPos += stackedRightValue || 0; + } + } + } + + var rightValue = Number(yScale.getRightValue(value)); + if (rightValue < 0) { + return yScale.getPixelForValue(sumNeg + rightValue); + } + return yScale.getPixelForValue(sumPos + rightValue); + } + + return yScale.getPixelForValue(value); + }, + + updateBezierControlPoints: function() { + var me = this; + var meta = me.getMeta(); + var area = me.chart.chartArea; + var points = (meta.data || []); + var i, ilen, point, model, controlPoints; + + // Only consider points that are drawn in case the spanGaps option is used + if (meta.dataset._model.spanGaps) { + points = points.filter(function(pt) { + return !pt._model.skip; + }); + } + + function capControlPoint(pt, min, max) { + return Math.max(Math.min(pt, max), min); + } + + if (meta.dataset._model.cubicInterpolationMode === 'monotone') { + helpers.splineCurveMonotone(points); + } else { + for (i = 0, ilen = points.length; i < ilen; ++i) { + point = points[i]; + model = point._model; + controlPoints = helpers.splineCurve( + helpers.previousItem(points, i)._model, + model, + helpers.nextItem(points, i)._model, + meta.dataset._model.tension + ); + model.controlPointPreviousX = controlPoints.previous.x; + model.controlPointPreviousY = controlPoints.previous.y; + model.controlPointNextX = controlPoints.next.x; + model.controlPointNextY = controlPoints.next.y; + } + } + + if (me.chart.options.elements.line.capBezierPoints) { + for (i = 0, ilen = points.length; i < ilen; ++i) { + model = points[i]._model; + model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); + model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); + model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); + model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); + } + } + }, + + draw: function(ease) { + var me = this; + var meta = me.getMeta(); + var points = meta.data || []; + var easingDecimal = ease || 1; + var i, ilen; + + // Transition Point Locations + for (i=0, ilen=points.length; i<ilen; ++i) { + points[i].transition(easingDecimal); + } + + Chart.canvasHelpers.clipArea(me.chart.chart.ctx, me.chart.chartArea); + // Transition and Draw the line + if (lineEnabled(me.getDataset(), me.chart.options)) { + meta.dataset.transition(easingDecimal).draw(); + } + Chart.canvasHelpers.unclipArea(me.chart.chart.ctx); + + // Draw the points + for (i=0, ilen=points.length; i<ilen; ++i) { + points[i].draw(me.chart.chartArea); + } + }, + + setHoverStyle: function(point) { + // Point + var dataset = this.chart.data.datasets[point._datasetIndex]; + var index = point._index; + var custom = point.custom || {}; + var model = point._model; + + model.radius = custom.hoverRadius || helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); + model.backgroundColor = custom.hoverBackgroundColor || helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor || helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth || helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); + }, + + removeHoverStyle: function(point) { + var me = this; + var dataset = me.chart.data.datasets[point._datasetIndex]; + var index = point._index; + var custom = point.custom || {}; + var model = point._model; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { + dataset.pointRadius = dataset.radius; + } + + model.radius = custom.radius || helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, me.chart.options.elements.point.radius); + model.backgroundColor = me.getPointBackgroundColor(point, index); + model.borderColor = me.getPointBorderColor(point, index); + model.borderWidth = me.getPointBorderWidth(point, index); + } + }); +}; + +},{}],19:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.polarArea = { + + scale: { + type: 'radialLinear', + lineArc: true, // so that lines are circular + ticks: { + beginAtZero: true + } + }, + + // Boolean - Whether to animate the rotation of the chart + animation: { + animateRotate: true, + animateScale: true + }, + + startAngle: -0.5 * Math.PI, + aspectRatio: 1, + legendCallback: function(chart) { + var text = []; + text.push('<ul class="' + chart.id + '-legend">'); + + var data = chart.data; + var datasets = data.datasets; + var labels = data.labels; + + if (datasets.length) { + for (var i = 0; i < datasets[0].data.length; ++i) { + text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></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 + }; + }); + } + return []; + } + }, + + onClick: function(e, legendItem) { + var index = legendItem.index; + var chart = this.chart; + var i, ilen, meta; + + for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { + meta = chart.getDatasetMeta(i); + meta.data[index].hidden = !meta.data[index].hidden; + } + + chart.update(); + } + }, + + // Need to override these to give a nice default + tooltips: { + callbacks: { + title: function() { + return ''; + }, + label: function(tooltipItem, data) { + return data.labels[tooltipItem.index] + ': ' + tooltipItem.yLabel; + } + } + } + }; + + Chart.controllers.polarArea = Chart.DatasetController.extend({ + + dataElementType: Chart.elements.Arc, + + linkScales: helpers.noop, + + update: function(reset) { + var me = this; + var chart = me.chart; + var chartArea = chart.chartArea; + var meta = me.getMeta(); + var opts = chart.options; + var arcOpts = opts.elements.arc; + var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); + chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0); + chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); + chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); + + me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); + me.innerRadius = me.outerRadius - chart.radiusLength; + + meta.count = me.countVisibleElements(); + + helpers.each(meta.data, function(arc, index) { + me.updateElement(arc, index, reset); + }); + }, + + updateElement: function(arc, index, reset) { + var me = this; + var chart = me.chart; + var dataset = me.getDataset(); + var opts = chart.options; + var animationOpts = opts.animation; + var scale = chart.scale; + var getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault; + var labels = chart.data.labels; + + var circumference = me.calculateCircumference(dataset.data[index]); + var centerX = scale.xCenter; + var centerY = scale.yCenter; + + // If there is NaN data before us, we need to calculate the starting angle correctly. + // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data + var visibleCount = 0; + var meta = me.getMeta(); + for (var i = 0; i < index; ++i) { + if (!isNaN(dataset.data[i]) && !meta.data[i].hidden) { + ++visibleCount; + } + } + + // var negHalfPI = -0.5 * Math.PI; + var datasetStartAngle = opts.startAngle; + var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + var startAngle = datasetStartAngle + (circumference * visibleCount); + var endAngle = startAngle + (arc.hidden ? 0 : circumference); + + var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); + + helpers.extend(arc, { + // Utility + _datasetIndex: me.index, + _index: index, + _scale: scale, + + // Desired view properties + _model: { + x: centerX, + y: centerY, + innerRadius: 0, + outerRadius: reset ? resetRadius : distance, + startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, + endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, + label: getValueAtIndexOrDefault(labels, index, labels[index]) + } + }); + + // Apply border and fill style + me.removeHoverStyle(arc); + + arc.pivot(); + }, + + removeHoverStyle: function(arc) { + Chart.DatasetController.prototype.removeHoverStyle.call(this, arc, this.chart.options.elements.arc); + }, + + countVisibleElements: function() { + var dataset = this.getDataset(); + var meta = this.getMeta(); + var count = 0; + + helpers.each(meta.data, function(element, index) { + if (!isNaN(dataset.data[index]) && !element.hidden) { + count++; + } + }); + + return count; + }, + + calculateCircumference: function(value) { + var count = this.getMeta().count; + if (count > 0 && !isNaN(value)) { + return (2 * Math.PI) / count; + } + return 0; + } + }); +}; + +},{}],20:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.radar = { + aspectRatio: 1, + 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, + + update: function(reset) { + var me = this; + var meta = me.getMeta(); + var line = meta.dataset; + var points = meta.data; + var custom = line.custom || {}; + var dataset = me.getDataset(); + var lineElementOptions = me.chart.options.elements.line; + var scale = me.chart.scale; + + // Compatibility: If the properties are defined with only the old name, use those values + if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { + dataset.lineTension = dataset.tension; + } + + helpers.extend(meta.dataset, { + // Utility + _datasetIndex: me.index, + // Data + _children: points, + _loop: true, + // Model + _model: { + // Appearance + tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.lineTension, lineElementOptions.tension), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), + borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), + borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), + fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), + borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), + borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), + borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), + borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), + + // Scale + scaleTop: scale.top, + scaleBottom: scale.bottom, + scaleZero: scale.getBasePosition() + } + }); + + meta.dataset.pivot(); + + // Update Points + helpers.each(points, function(point, index) { + me.updateElement(point, index, reset); + }, me); + + // Update bezier control points + me.updateBezierControlPoints(); + }, + updateElement: function(point, index, reset) { + var me = this; + var custom = point.custom || {}; + var dataset = me.getDataset(); + var scale = me.chart.scale; + var pointElementOptions = me.chart.options.elements.point; + var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); + + helpers.extend(point, { + // Utility + _datasetIndex: me.index, + _index: index, + _scale: scale, + + // Desired view properties + _model: { + x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales + y: reset ? scale.yCenter : pointPosition.y, + + // Appearance + tension: custom.tension ? custom.tension : helpers.getValueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension), + radius: custom.radius ? custom.radius : helpers.getValueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius), + backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor), + borderColor: custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor), + borderWidth: custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth), + pointStyle: custom.pointStyle ? custom.pointStyle : helpers.getValueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle), + + // Tooltip + hitRadius: custom.hitRadius ? custom.hitRadius : helpers.getValueAtIndexOrDefault(dataset.hitRadius, index, pointElementOptions.hitRadius) + } + }); + + point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y)); + }, + updateBezierControlPoints: function() { + var chartArea = this.chart.chartArea; + var meta = this.getMeta(); + + helpers.each(meta.data, function(point, index) { + var model = point._model; + var controlPoints = helpers.splineCurve( + helpers.previousItem(meta.data, index, true)._model, + model, + helpers.nextItem(meta.data, index, true)._model, + model.tension + ); + + // Prevent the bezier going outside of the bounds of the graph + model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left); + model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top); + + model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left); + model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top); + + // Now pivot the point for animation + point.pivot(); + }); + }, + + draw: function(ease) { + var meta = this.getMeta(); + var easingDecimal = ease || 1; + + // Transition Point Locations + helpers.each(meta.data, function(point) { + point.transition(easingDecimal); + }); + + // Transition and Draw the line + meta.dataset.transition(easingDecimal).draw(); + + // Draw the points + helpers.each(meta.data, function(point) { + point.draw(); + }); + }, + + setHoverStyle: function(point) { + // Point + var dataset = this.chart.data.datasets[point._datasetIndex]; + var custom = point.custom || {}; + var index = point._index; + var model = point._model; + + model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); + model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); + }, + + removeHoverStyle: function(point) { + var dataset = this.chart.data.datasets[point._datasetIndex]; + var custom = point.custom || {}; + var index = point._index; + var model = point._model; + var pointElementOptions = this.chart.options.elements.point; + + model.radius = custom.radius ? custom.radius : helpers.getValueAtIndexOrDefault(dataset.radius, index, pointElementOptions.radius); + model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor); + model.borderColor = custom.borderColor ? custom.borderColor : helpers.getValueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor); + model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth); + } + }); +}; + +},{}],21:[function(require,module,exports){ +/* global window: false */ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.global.animation = { + duration: 1000, + easing: 'easeOutQuart', + onProgress: helpers.noop, + onComplete: helpers.noop + }; + + Chart.Animation = Chart.Element.extend({ + currentStep: null, // the current animation step + numSteps: 60, // default number of steps + easing: '', // the easing to use for this animation + render: null, // render function used by the animation service + + onAnimationProgress: null, // user specified callback to fire on each step of the animation + onAnimationComplete: null // user specified callback to fire when the animation finishes + }); + + Chart.animationService = { + frameDuration: 17, + animations: [], + dropFrames: 0, + request: null, + + /** + * @function Chart.animationService.addAnimation + * @param chartInstance {ChartController} the chart to animate + * @param animationObject {IAnimation} the animation that we will animate + * @param duration {Number} length of animation in ms + * @param lazy {Boolean} if true, the chart is not marked as animating to enable more responsive interactions + */ + addAnimation: function(chartInstance, animationObject, duration, lazy) { + var me = this; + + if (!lazy) { + chartInstance.animating = true; + } + + for (var index = 0; index < me.animations.length; ++index) { + if (me.animations[index].chartInstance === chartInstance) { + // replacing an in progress animation + me.animations[index].animationObject = animationObject; + return; + } + } + + me.animations.push({ + chartInstance: chartInstance, + animationObject: animationObject + }); + + // If there are no animations queued, manually kickstart a digest, for lack of a better word + if (me.animations.length === 1) { + me.requestAnimationFrame(); + } + }, + // Cancel the animation for a given chart instance + cancelAnimation: function(chartInstance) { + var index = helpers.findIndex(this.animations, function(animationWrapper) { + return animationWrapper.chartInstance === chartInstance; + }); + + if (index !== -1) { + this.animations.splice(index, 1); + chartInstance.animating = false; + } + }, + requestAnimationFrame: function() { + var me = this; + if (me.request === null) { + // Skip animation frame requests until the active one is executed. + // This can happen when processing mouse events, e.g. 'mousemove' + // and 'mouseout' events will trigger multiple renders. + me.request = helpers.requestAnimFrame.call(window, function() { + me.request = null; + me.startDigest(); + }); + } + }, + startDigest: function() { + var me = this; + + var startTime = Date.now(); + var framesToDrop = 0; + + if (me.dropFrames > 1) { + framesToDrop = Math.floor(me.dropFrames); + me.dropFrames = me.dropFrames % 1; + } + + var i = 0; + while (i < me.animations.length) { + if (me.animations[i].animationObject.currentStep === null) { + me.animations[i].animationObject.currentStep = 0; + } + + me.animations[i].animationObject.currentStep += 1 + framesToDrop; + + if (me.animations[i].animationObject.currentStep > me.animations[i].animationObject.numSteps) { + me.animations[i].animationObject.currentStep = me.animations[i].animationObject.numSteps; + } + + me.animations[i].animationObject.render(me.animations[i].chartInstance, me.animations[i].animationObject); + if (me.animations[i].animationObject.onAnimationProgress && me.animations[i].animationObject.onAnimationProgress.call) { + me.animations[i].animationObject.onAnimationProgress.call(me.animations[i].chartInstance, me.animations[i]); + } + + if (me.animations[i].animationObject.currentStep === me.animations[i].animationObject.numSteps) { + if (me.animations[i].animationObject.onAnimationComplete && me.animations[i].animationObject.onAnimationComplete.call) { + me.animations[i].animationObject.onAnimationComplete.call(me.animations[i].chartInstance, me.animations[i]); + } + + // executed the last frame. Remove the animation. + me.animations[i].chartInstance.animating = false; + + me.animations.splice(i, 1); + } else { + ++i; + } + } + + var endTime = Date.now(); + var dropFrames = (endTime - startTime) / me.frameDuration; + + me.dropFrames += dropFrames; + + // Do we have more stuff to animate? + if (me.animations.length > 0) { + me.requestAnimationFrame(); + } + } + }; +}; + +},{}],22:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + // Global Chart canvas helpers object for drawing items to canvas + var helpers = Chart.canvasHelpers = {}; + + helpers.drawPoint = function(ctx, pointStyle, radius, x, y) { + var type, edgeLength, xOffset, yOffset, height, size; + + if (typeof pointStyle === 'object') { + type = pointStyle.toString(); + if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { + ctx.drawImage(pointStyle, x - pointStyle.width / 2, y - pointStyle.height / 2); + return; + } + } + + if (isNaN(radius) || radius <= 0) { + return; + } + + switch (pointStyle) { + // Default includes circle + default: + ctx.beginPath(); + ctx.arc(x, y, radius, 0, Math.PI * 2); + ctx.closePath(); + ctx.fill(); + break; + case 'triangle': + ctx.beginPath(); + edgeLength = 3 * radius / Math.sqrt(3); + height = edgeLength * Math.sqrt(3) / 2; + ctx.moveTo(x - edgeLength / 2, y + height / 3); + ctx.lineTo(x + edgeLength / 2, y + height / 3); + ctx.lineTo(x, y - 2 * height / 3); + ctx.closePath(); + ctx.fill(); + break; + case 'rect': + size = 1 / Math.SQRT2 * radius; + ctx.beginPath(); + ctx.fillRect(x - size, y - size, 2 * size, 2 * size); + ctx.strokeRect(x - size, y - size, 2 * size, 2 * size); + break; + case 'rectRounded': + var offset = radius / Math.SQRT2; + var leftX = x - offset; + var topY = y - offset; + var sideSize = Math.SQRT2 * radius; + Chart.helpers.drawRoundedRectangle(ctx, leftX, topY, sideSize, sideSize, radius / 2); + ctx.fill(); + break; + case 'rectRot': + size = 1 / Math.SQRT2 * radius; + ctx.beginPath(); + ctx.moveTo(x - size, y); + ctx.lineTo(x, y + size); + ctx.lineTo(x + size, y); + ctx.lineTo(x, y - size); + ctx.closePath(); + ctx.fill(); + break; + case 'cross': + ctx.beginPath(); + ctx.moveTo(x, y + radius); + ctx.lineTo(x, y - radius); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + case 'crossRot': + ctx.beginPath(); + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x - xOffset, y + yOffset); + ctx.lineTo(x + xOffset, y - yOffset); + ctx.closePath(); + break; + case 'star': + ctx.beginPath(); + ctx.moveTo(x, y + radius); + ctx.lineTo(x, y - radius); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + xOffset = Math.cos(Math.PI / 4) * radius; + yOffset = Math.sin(Math.PI / 4) * radius; + ctx.moveTo(x - xOffset, y - yOffset); + ctx.lineTo(x + xOffset, y + yOffset); + ctx.moveTo(x - xOffset, y + yOffset); + ctx.lineTo(x + xOffset, y - yOffset); + ctx.closePath(); + break; + case 'line': + ctx.beginPath(); + ctx.moveTo(x - radius, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + case 'dash': + ctx.beginPath(); + ctx.moveTo(x, y); + ctx.lineTo(x + radius, y); + ctx.closePath(); + break; + } + + ctx.stroke(); + }; + + helpers.clipArea = function(ctx, clipArea) { + ctx.save(); + ctx.beginPath(); + ctx.rect(clipArea.left, clipArea.top, clipArea.right - clipArea.left, clipArea.bottom - clipArea.top); + ctx.clip(); + }; + + helpers.unclipArea = function(ctx) { + ctx.restore(); + }; + +}; + +},{}],23:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + var plugins = Chart.plugins; + var platform = Chart.platform; + + // 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 = {}; + + /** + * Initializes the given config with global and chart default values. + */ + function initConfig(config) { + config = config || {}; + + // Do NOT use configMerge() for the data object because this method merges arrays + // and so would change references to labels and datasets, preventing data updates. + var data = config.data = config.data || {}; + data.datasets = data.datasets || []; + data.labels = data.labels || []; + + config.options = helpers.configMerge( + Chart.defaults.global, + Chart.defaults[config.type], + config.options || {}); + + return config; + } + + /** + * Updates the config of the chart + * @param chart {Chart.Controller} chart to update the options for + */ + function updateConfig(chart) { + var newOptions = chart.options; + + // Update Scale(s) with options + if (newOptions.scale) { + chart.scale.options = newOptions.scale; + } else if (newOptions.scales) { + newOptions.scales.xAxes.concat(newOptions.scales.yAxes).forEach(function(scaleOptions) { + chart.scales[scaleOptions.id].options = scaleOptions; + }); + } + + // Tooltip + chart.tooltip._options = newOptions.tooltips; + } + + /** + * @class Chart.Controller + * The main controller of a chart. + */ + Chart.Controller = function(item, config, instance) { + var me = this; + + config = initConfig(config); + + var context = platform.acquireContext(item, config); + var canvas = context && context.canvas; + var height = canvas && canvas.height; + var width = canvas && canvas.width; + + instance.ctx = context; + instance.canvas = canvas; + instance.config = config; + instance.width = width; + instance.height = height; + instance.aspectRatio = height? width / height : null; + + me.id = helpers.uid(); + me.chart = instance; + me.config = config; + me.options = config.options; + me._bufferedRender = false; + + // Add the chart instance to the global namespace + Chart.instances[me.id] = me; + + Object.defineProperty(me, 'data', { + get: function() { + return me.config.data; + } + }); + + if (!context || !canvas) { + // The given item is not a compatible context2d element, let's return before finalizing + // the chart initialization but after setting basic chart / controller properties that + // can help to figure out that the chart is not valid (e.g chart.canvas !== null); + // https://github.com/chartjs/Chart.js/issues/2807 + console.error("Failed to create chart: can't acquire context from the given item"); + return me; + } + + me.initialize(); + me.update(); + + return me; + }; + + helpers.extend(Chart.Controller.prototype, /** @lends Chart.Controller.prototype */ { + initialize: function() { + var me = this; + + // Before init plugin notification + plugins.notify(me, 'beforeInit'); + + helpers.retinaScale(me.chart); + + me.bindEvents(); + + if (me.options.responsive) { + // Initial resize before chart draws (must be silent to preserve initial animations). + me.resize(true); + } + + // Make sure scales have IDs and are built before we build any controllers. + me.ensureScalesHaveIDs(); + me.buildScales(); + me.initToolTip(); + + // After init plugin notification + plugins.notify(me, 'afterInit'); + + return me; + }, + + clear: function() { + helpers.clear(this.chart); + return this; + }, + + stop: function() { + // Stops any current animation loop occurring + Chart.animationService.cancelAnimation(this); + return this; + }, + + resize: function(silent) { + var me = this; + var chart = me.chart; + var options = me.options; + var canvas = chart.canvas; + var aspectRatio = (options.maintainAspectRatio && chart.aspectRatio) || null; + + // the canvas render width and height will be casted to integers so make sure that + // the canvas display style uses the same integer values to avoid blurring effect. + var newWidth = Math.floor(helpers.getMaximumWidth(canvas)); + var newHeight = Math.floor(aspectRatio? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)); + + if (chart.width === newWidth && chart.height === newHeight) { + return; + } + + canvas.width = chart.width = newWidth; + canvas.height = chart.height = newHeight; + canvas.style.width = newWidth + 'px'; + canvas.style.height = newHeight + 'px'; + + helpers.retinaScale(chart); + + if (!silent) { + // Notify any plugins about the resize + var newSize = {width: newWidth, height: newHeight}; + plugins.notify(me, 'resize', [newSize]); + + // Notify of resize + if (me.options.onResize) { + me.options.onResize(me, newSize); + } + + me.stop(); + me.update(me.options.responsiveAnimationDuration); + } + }, + + ensureScalesHaveIDs: function() { + var options = this.options; + var scalesOptions = options.scales || {}; + var scaleOptions = options.scale; + + helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) { + xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); + }); + + helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) { + yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); + }); + + if (scaleOptions) { + scaleOptions.id = scaleOptions.id || 'scale'; + } + }, + + /** + * Builds a map of scale ID to scale object for future lookup. + */ + buildScales: function() { + var me = this; + var options = me.options; + var scales = me.scales = {}; + var items = []; + + if (options.scales) { + items = items.concat( + (options.scales.xAxes || []).map(function(xAxisOptions) { + return {options: xAxisOptions, dtype: 'category'}; + }), + (options.scales.yAxes || []).map(function(yAxisOptions) { + return {options: yAxisOptions, dtype: 'linear'}; + }) + ); + } + + if (options.scale) { + items.push({options: options.scale, dtype: 'radialLinear', isDefault: true}); + } + + helpers.each(items, function(item) { + var scaleOptions = item.options; + var scaleType = helpers.getValueOrDefault(scaleOptions.type, item.dtype); + var scaleClass = Chart.scaleService.getScaleConstructor(scaleType); + if (!scaleClass) { + return; + } + + var scale = new scaleClass({ + id: scaleOptions.id, + options: scaleOptions, + ctx: me.chart.ctx, + chart: me + }); + + scales[scale.id] = scale; + + // TODO(SB): I think we should be able to remove this custom case (options.scale) + // and consider it as a regular scale part of the "scales"" map only! This would + // make the logic easier and remove some useless? custom code. + if (item.isDefault) { + me.scale = scale; + } + }); + + Chart.scaleService.addScalesToLayout(this); + }, + + buildOrUpdateControllers: function() { + var me = this; + var types = []; + var newControllers = []; + + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + var meta = me.getDatasetMeta(datasetIndex); + if (!meta.type) { + meta.type = dataset.type || me.config.type; + } + + types.push(meta.type); + + if (meta.controller) { + meta.controller.updateIndex(datasetIndex); + } else { + meta.controller = new Chart.controllers[meta.type](me, datasetIndex); + newControllers.push(meta.controller); + } + }, me); + + if (types.length > 1) { + for (var i = 1; i < types.length; i++) { + if (types[i] !== types[i - 1]) { + me.isCombo = true; + break; + } + } + } + + return newControllers; + }, + + /** + * Reset the elements of all datasets + * @private + */ + resetElements: function() { + var me = this; + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.reset(); + }, me); + }, + + /** + * Resets the chart back to it's state before the initial animation + */ + reset: function() { + this.resetElements(); + this.tooltip.initialize(); + }, + + update: function(animationDuration, lazy) { + var me = this; + + updateConfig(me); + + if (plugins.notify(me, 'beforeUpdate') === false) { + return; + } + + // In case the entire data object changed + me.tooltip._data = me.data; + + // Make sure dataset controllers are updated and new controllers are reset + var newControllers = me.buildOrUpdateControllers(); + + // Make sure all dataset controllers have correct meta data counts + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); + }, me); + + me.updateLayout(); + + // Can only reset the new controllers after the scales have been updated + helpers.each(newControllers, function(controller) { + controller.reset(); + }); + + me.updateDatasets(); + + // Do this before render so that any plugins that need final scale updates can use it + plugins.notify(me, 'afterUpdate'); + + if (me._bufferedRender) { + me._bufferedRequest = { + lazy: lazy, + duration: animationDuration + }; + } else { + me.render(animationDuration, lazy); + } + }, + + /** + * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` + * hook, in which case, plugins will not be called on `afterLayout`. + * @private + */ + updateLayout: function() { + var me = this; + + if (plugins.notify(me, 'beforeLayout') === false) { + return; + } + + Chart.layoutService.update(this, this.chart.width, this.chart.height); + + /** + * Provided for backward compatibility, use `afterLayout` instead. + * @method IPlugin#afterScaleUpdate + * @deprecated since version 2.5.0 + * @todo remove at version 3 + */ + plugins.notify(me, 'afterScaleUpdate'); + plugins.notify(me, 'afterLayout'); + }, + + /** + * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` + * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. + * @private + */ + updateDatasets: function() { + var me = this; + + if (plugins.notify(me, 'beforeDatasetsUpdate') === false) { + return; + } + + for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { + me.getDatasetMeta(i).controller.update(); + } + + plugins.notify(me, 'afterDatasetsUpdate'); + }, + + render: function(duration, lazy) { + var me = this; + + if (plugins.notify(me, 'beforeRender') === false) { + return; + } + + var animationOptions = me.options.animation; + var onComplete = function() { + plugins.notify(me, 'afterRender'); + var callback = animationOptions && animationOptions.onComplete; + if (callback && callback.call) { + callback.call(me); + } + }; + + 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 = onComplete; + + Chart.animationService.addAnimation(me, animation, duration, lazy); + } else { + me.draw(); + onComplete(); + } + + return me; + }, + + draw: function(easingValue) { + var me = this; + + me.clear(); + + if (easingValue === undefined || easingValue === null) { + easingValue = 1; + } + + if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) { + return; + } + + // Draw all the scales + helpers.each(me.boxes, function(box) { + box.draw(me.chartArea); + }, me); + + if (me.scale) { + me.scale.draw(); + } + + me.drawDatasets(easingValue); + + // Finally draw the tooltip + me.tooltip.transition(easingValue).draw(); + + plugins.notify(me, 'afterDraw', [easingValue]); + }, + + /** + * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` + * hook, in which case, plugins will not be called on `afterDatasetsDraw`. + * @private + */ + drawDatasets: function(easingValue) { + var me = this; + + if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { + return; + } + + // Draw each dataset via its respective controller (reversed to support proper line stacking) + helpers.each(me.data.datasets, function(dataset, datasetIndex) { + if (me.isDatasetVisible(datasetIndex)) { + me.getDatasetMeta(datasetIndex).controller.draw(easingValue); + } + }, me, true); + + plugins.notify(me, 'afterDatasetsDraw', [easingValue]); + }, + + // 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) { + return Chart.Interaction.modes.single(this, e); + }, + + getElementsAtEvent: function(e) { + return Chart.Interaction.modes.label(this, e, {intersect: true}); + }, + + getElementsAtXAxis: function(e) { + return Chart.Interaction.modes['x-axis'](this, e, {intersect: true}); + }, + + getElementsAtEventForMode: function(e, mode, options) { + var method = Chart.Interaction.modes[mode]; + if (typeof method === 'function') { + return method(this, e, options); + } + + return []; + }, + + getDatasetAtEvent: function(e) { + return Chart.Interaction.modes.dataset(this, e, {intersect: true}); + }, + + getDatasetMeta: function(datasetIndex) { + var me = this; + var dataset = me.data.datasets[datasetIndex]; + if (!dataset._meta) { + dataset._meta = {}; + } + + var meta = dataset._meta[me.id]; + if (!meta) { + meta = dataset._meta[me.id] = { + type: null, + data: [], + dataset: null, + controller: null, + hidden: null, // See isDatasetVisible() comment + xAxisID: null, + yAxisID: null + }; + } + + return meta; + }, + + getVisibleDatasetCount: function() { + var count = 0; + for (var i = 0, ilen = this.data.datasets.length; i<ilen; ++i) { + if (this.isDatasetVisible(i)) { + count++; + } + } + return count; + }, + + isDatasetVisible: function(datasetIndex) { + var meta = this.getDatasetMeta(datasetIndex); + + // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, + // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. + return typeof meta.hidden === 'boolean'? !meta.hidden : !this.data.datasets[datasetIndex].hidden; + }, + + generateLegend: function() { + return this.options.legendCallback(this); + }, + + destroy: function() { + var me = this; + var canvas = me.chart.canvas; + var meta, i, ilen; + + me.stop(); + + // dataset controllers need to cleanup associated data + for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { + meta = me.getDatasetMeta(i); + if (meta.controller) { + meta.controller.destroy(); + meta.controller = null; + } + } + + if (canvas) { + me.unbindEvents(); + helpers.clear(me.chart); + platform.releaseContext(me.chart.ctx); + me.chart.canvas = null; + me.chart.ctx = null; + } + + plugins.notify(me, 'destroy'); + + delete Chart.instances[me.id]; + }, + + toBase64Image: function() { + return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments); + }, + + initToolTip: function() { + var me = this; + me.tooltip = new Chart.Tooltip({ + _chart: me.chart, + _chartInstance: me, + _data: me.data, + _options: me.options.tooltips + }, me); + me.tooltip.initialize(); + }, + + /** + * @private + */ + bindEvents: function() { + var me = this; + var listeners = me._listeners = {}; + var listener = function() { + me.eventHandler.apply(me, arguments); + }; + + helpers.each(me.options.events, function(type) { + platform.addEventListener(me, type, listener); + listeners[type] = listener; + }); + + // Responsiveness is currently based on the use of an iframe, however this method causes + // performance issues and could be troublesome when used with ad blockers. So make sure + // that the user is still able to create a chart without iframe when responsive is false. + // See https://github.com/chartjs/Chart.js/issues/2210 + if (me.options.responsive) { + listener = function() { + me.resize(); + }; + + platform.addEventListener(me, 'resize', listener); + listeners.resize = listener; + } + }, + + /** + * @private + */ + unbindEvents: function() { + var me = this; + var listeners = me._listeners; + if (!listeners) { + return; + } + + delete me._listeners; + helpers.each(listeners, function(listener, type) { + platform.removeEventListener(me, type, listener); + }); + }, + + updateHoverStyle: function(elements, mode, enabled) { + var method = enabled? 'setHoverStyle' : 'removeHoverStyle'; + var element, i, ilen; + + for (i=0, ilen=elements.length; i<ilen; ++i) { + element = elements[i]; + if (element) { + this.getDatasetMeta(element._datasetIndex).controller[method](element); + } + } + }, + + /** + * @private + */ + eventHandler: function(e) { + var me = this; + var tooltip = me.tooltip; + + if (plugins.notify(me, 'beforeEvent', [e]) === false) { + return; + } + + // Buffer any update calls so that renders do not occur + me._bufferedRender = true; + me._bufferedRequest = null; + + var changed = me.handleEvent(e); + changed |= tooltip && tooltip.handleEvent(e); + + plugins.notify(me, 'afterEvent', [e]); + + var bufferedRequest = me._bufferedRequest; + if (bufferedRequest) { + // If we have an update that was triggered, we need to do a normal render + me.render(bufferedRequest.duration, bufferedRequest.lazy); + } else if (changed && !me.animating) { + // If entering, leaving, or changing elements, animate the change via pivot + me.stop(); + + // We only need to render at this point. Updating will cause scales to be + // recomputed generating flicker & using more memory than necessary. + me.render(me.options.hover.animationDuration, true); + } + + me._bufferedRender = false; + me._bufferedRequest = null; + + return me; + }, + + /** + * Handle an event + * @private + * @param {IEvent} event the event to handle + * @return {Boolean} true if the chart needs to re-render + */ + handleEvent: function(e) { + var me = this; + var options = me.options || {}; + var hoverOptions = options.hover; + var changed = false; + + me.lastActive = me.lastActive || []; + + // Find Active Elements for hover and tooltips + if (e.type === 'mouseout') { + me.active = []; + } else { + me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); + } + + // On Hover hook + if (hoverOptions.onHover) { + // Need to call with native event here to not break backwards compatibility + hoverOptions.onHover.call(me, e.native, me.active); + } + + if (e.type === 'mouseup' || e.type === 'click') { + if (options.onClick) { + // Use e.native here for backwards compatibility + options.onClick.call(me, e.native, me.active); + } + } + + // Remove styling for last active (even if it may still be active) + if (me.lastActive.length) { + me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); + } + + // Built in hover styling + if (me.active.length && hoverOptions.mode) { + me.updateHoverStyle(me.active, hoverOptions.mode, true); + } + + changed = !helpers.arrayEquals(me.active, me.lastActive); + + // Remember Last Actives + me.lastActive = me.active; + + return changed; + } + }); +}; + +},{}],24:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; + + /** + * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', + * 'unshift') and notify the listener AFTER the array has been altered. Listeners are + * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. + */ + function listenArrayEvents(array, listener) { + if (array._chartjs) { + array._chartjs.listeners.push(listener); + return; + } + + Object.defineProperty(array, '_chartjs', { + configurable: true, + enumerable: false, + value: { + listeners: [listener] + } + }); + + arrayEvents.forEach(function(key) { + var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); + var base = array[key]; + + Object.defineProperty(array, key, { + configurable: true, + enumerable: false, + value: function() { + var args = Array.prototype.slice.call(arguments); + var res = base.apply(this, args); + + helpers.each(array._chartjs.listeners, function(object) { + if (typeof object[method] === 'function') { + object[method].apply(object, args); + } + }); + + return res; + } + }); + }); + } + + /** + * Removes the given array event listener and cleanup extra attached properties (such as + * the _chartjs stub and overridden methods) if array doesn't have any more listeners. + */ + function unlistenArrayEvents(array, listener) { + var stub = array._chartjs; + if (!stub) { + return; + } + + var listeners = stub.listeners; + var index = listeners.indexOf(listener); + if (index !== -1) { + listeners.splice(index, 1); + } + + if (listeners.length > 0) { + return; + } + + arrayEvents.forEach(function(key) { + delete array[key]; + }); + + delete array._chartjs; + } + + // Base class for all dataset controllers (line, bar, etc) + Chart.DatasetController = function(chart, datasetIndex) { + this.initialize(chart, datasetIndex); + }; + + helpers.extend(Chart.DatasetController.prototype, { + + /** + * Element type used to generate a meta dataset (e.g. Chart.element.Line). + * @type {Chart.core.element} + */ + datasetElementType: null, + + /** + * Element type used to generate a meta data (e.g. Chart.element.Point). + * @type {Chart.core.element} + */ + dataElementType: null, + + initialize: function(chart, datasetIndex) { + var me = this; + me.chart = chart; + me.index = datasetIndex; + me.linkScales(); + me.addElements(); + }, + + updateIndex: function(datasetIndex) { + this.index = datasetIndex; + }, + + linkScales: function() { + var me = this; + var meta = me.getMeta(); + var dataset = me.getDataset(); + + if (meta.xAxisID === null) { + meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; + } + if (meta.yAxisID === null) { + meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; + } + }, + + getDataset: function() { + return this.chart.data.datasets[this.index]; + }, + + getMeta: function() { + return this.chart.getDatasetMeta(this.index); + }, + + getScaleForId: function(scaleID) { + return this.chart.scales[scaleID]; + }, + + reset: function() { + this.update(true); + }, + + /** + * @private + */ + destroy: function() { + if (this._data) { + unlistenArrayEvents(this._data, this); + } + }, + + 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(i); + } + + meta.dataset = meta.dataset || me.createMetaDataset(); + }, + + addElementAndReset: function(index) { + var element = this.createMetaData(index); + this.getMeta().data.splice(index, 0, element); + this.updateElement(element, index, true); + }, + + buildOrUpdateElements: function() { + var me = this; + var dataset = me.getDataset(); + var data = dataset.data || (dataset.data = []); + + // In order to correctly handle data addition/deletion animation (an thus simulate + // real-time charts), we need to monitor these data modifications and synchronize + // the internal meta data accordingly. + if (me._data !== data) { + if (me._data) { + // This case happens when the user replaced the data array instance. + unlistenArrayEvents(me._data, me); + } + + listenArrayEvents(data, me); + me._data = data; + } + + // Re-sync meta data in case the user replaced the data array or if we missed + // any updates and so make sure that we handle number of datapoints changing. + me.resyncElements(); + }, + + update: helpers.noop, + + draw: function(ease) { + var easingDecimal = ease || 1; + var i, len; + var metaData = this.getMeta().data; + for (i = 0, len = metaData.length; i < len; ++i) { + metaData[i].transition(easingDecimal).draw(); + } + }, + + removeHoverStyle: function(element, elementOpts) { + var dataset = this.chart.data.datasets[element._datasetIndex], + index = element._index, + custom = element.custom || {}, + valueOrDefault = helpers.getValueAtIndexOrDefault, + model = element._model; + + model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); + model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); + model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); + }, + + setHoverStyle: function(element) { + var dataset = this.chart.data.datasets[element._datasetIndex], + index = element._index, + custom = element.custom || {}, + valueOrDefault = helpers.getValueAtIndexOrDefault, + getHoverColor = helpers.getHoverColor, + model = element._model; + + model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor)); + model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor)); + model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); + }, + + /** + * @private + */ + resyncElements: function() { + var me = this; + var meta = me.getMeta(); + var data = me.getDataset().data; + var numMeta = meta.data.length; + var numData = data.length; + + if (numData < numMeta) { + meta.data.splice(numData, numMeta - numData); + } else if (numData > numMeta) { + me.insertElements(numMeta, numData - numMeta); + } + }, + + /** + * @private + */ + insertElements: function(start, count) { + for (var i=0; i<count; ++i) { + this.addElementAndReset(start + i); + } + }, + + /** + * @private + */ + onDataPush: function() { + this.insertElements(this.getDataset().data.length-1, arguments.length); + }, + + /** + * @private + */ + onDataPop: function() { + this.getMeta().data.pop(); + }, + + /** + * @private + */ + onDataShift: function() { + this.getMeta().data.shift(); + }, + + /** + * @private + */ + onDataSplice: function(start, count) { + this.getMeta().data.splice(start, count); + this.insertElements(start, arguments.length - 2); + }, + + /** + * @private + */ + onDataUnshift: function() { + this.insertElements(0, arguments.length); + } + }); + + Chart.DatasetController.extend = helpers.inherits; +}; + +},{}],25:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.elements = {}; + + Chart.Element = function(configuration) { + helpers.extend(this, configuration); + this.initialize.apply(this, arguments); + }; + + helpers.extend(Chart.Element.prototype, { + + initialize: function() { + this.hidden = false; + }, + + pivot: function() { + var me = this; + if (!me._view) { + me._view = helpers.clone(me._model); + } + me._start = helpers.clone(me._view); + return me; + }, + + transition: function(ease) { + var me = this; + + if (!me._view) { + me._view = helpers.clone(me._model); + } + + // No animation -> No Transition + if (ease === 1) { + me._view = me._model; + me._start = null; + return me; + } + + if (!me._start) { + me.pivot(); + } + + helpers.each(me._model, function(value, key) { + + if (key[0] === '_') { + // Only non-underscored properties + // Init if doesn't exist + } else if (!me._view.hasOwnProperty(key)) { + if (typeof value === 'number' && !isNaN(me._view[key])) { + me._view[key] = value * ease; + } else { + me._view[key] = value; + } + // No unnecessary computations + } else if (value === me._view[key]) { + // It's the same! Woohoo! + // Color transitions if possible + } else if (typeof value === 'string') { + try { + var color = helpers.color(me._model[key]).mix(helpers.color(me._start[key]), ease); + me._view[key] = color.rgbString(); + } catch (err) { + me._view[key] = value; + } + // Number transitions + } else if (typeof value === 'number') { + var startVal = me._start[key] !== undefined && isNaN(me._start[key]) === false ? me._start[key] : 0; + me._view[key] = ((me._model[key] - startVal) * ease) + startVal; + // Everything else + } else { + me._view[key] = value; + } + }, me); + + return me; + }, + + tooltipPosition: function() { + return { + x: this._model.x, + y: this._model.y + }; + }, + + hasValue: function() { + return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); + } + }); + + Chart.Element.extend = helpers.inherits; + +}; + +},{}],26:[function(require,module,exports){ +/* global window: false */ +/* global document: false */ +'use strict'; + +var color = require(3); + +module.exports = function(Chart) { + // Global Chart helpers object for utility methods and classes + var helpers = Chart.helpers = {}; + + // -- Basic js utility methods + helpers.each = function(loopable, callback, self, reverse) { + // Check to see if null or undefined firstly. + var i, len; + if (helpers.isArray(loopable)) { + len = loopable.length; + if (reverse) { + for (i = len - 1; i >= 0; i--) { + callback.call(self, loopable[i], i); + } + } else { + for (i = 0; i < len; i++) { + callback.call(self, loopable[i], i); + } + } + } else if (typeof loopable === 'object') { + var keys = Object.keys(loopable); + len = keys.length; + for (i = 0; i < len; i++) { + callback.call(self, loopable[keys[i]], keys[i]); + } + } + }; + helpers.clone = function(obj) { + var objClone = {}; + helpers.each(obj, function(value, key) { + if (helpers.isArray(value)) { + objClone[key] = value.slice(0); + } else if (typeof value === 'object' && value !== null) { + objClone[key] = helpers.clone(value); + } else { + objClone[key] = value; + } + }); + return objClone; + }; + helpers.extend = function(base) { + var setFn = function(value, key) { + base[key] = value; + }; + for (var i = 1, ilen = arguments.length; i < ilen; i++) { + helpers.each(arguments[i], setFn); + } + return base; + }; + // Need a special merge function to chart configs since they are now grouped + helpers.configMerge = function(_base) { + var base = helpers.clone(_base); + helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) { + helpers.each(extension, function(value, key) { + var baseHasProperty = base.hasOwnProperty(key); + var baseVal = baseHasProperty ? base[key] : {}; + + if (key === 'scales') { + // Scale config merging is complex. Add our own function here for that + base[key] = helpers.scaleMerge(baseVal, value); + } else if (key === 'scale') { + // Used in polar area & radar charts since there is only one scale + base[key] = helpers.configMerge(baseVal, Chart.scaleService.getScaleDefaults(value.type), value); + } else if (baseHasProperty + && typeof baseVal === 'object' + && !helpers.isArray(baseVal) + && baseVal !== null + && typeof value === 'object' + && !helpers.isArray(value)) { + // If we are overwriting an object with an object, do a merge of the properties. + base[key] = helpers.configMerge(baseVal, value); + } else { + // can just overwrite the value in this case + base[key] = value; + } + }); + }); + + return base; + }; + helpers.scaleMerge = function(_base, extension) { + var base = helpers.clone(_base); + + helpers.each(extension, function(value, key) { + if (key === 'xAxes' || key === 'yAxes') { + // These properties are arrays of items + if (base.hasOwnProperty(key)) { + helpers.each(value, function(valueObj, index) { + var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); + var axisDefaults = Chart.scaleService.getScaleDefaults(axisType); + if (index >= base[key].length || !base[key][index].type) { + base[key].push(helpers.configMerge(axisDefaults, valueObj)); + } else if (valueObj.type && valueObj.type !== base[key][index].type) { + // Type changed. Bring in the new defaults before we bring in valueObj so that valueObj can override the correct scale defaults + base[key][index] = helpers.configMerge(base[key][index], axisDefaults, valueObj); + } else { + // Type is the same + base[key][index] = helpers.configMerge(base[key][index], valueObj); + } + }); + } else { + base[key] = []; + helpers.each(value, function(valueObj) { + var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear'); + base[key].push(helpers.configMerge(Chart.scaleService.getScaleDefaults(axisType), valueObj)); + }); + } + } else if (base.hasOwnProperty(key) && typeof base[key] === 'object' && base[key] !== null && typeof value === 'object') { + // If we are overwriting an object with an object, do a merge of the properties. + base[key] = helpers.configMerge(base[key], value); + + } else { + // can just overwrite the value in this case + base[key] = value; + } + }); + + return base; + }; + helpers.getValueAtIndexOrDefault = function(value, index, defaultValue) { + if (value === undefined || value === null) { + return defaultValue; + } + + if (helpers.isArray(value)) { + return index < value.length ? value[index] : defaultValue; + } + + return value; + }; + helpers.getValueOrDefault = function(value, defaultValue) { + return value === undefined ? defaultValue : value; + }; + helpers.indexOf = Array.prototype.indexOf? + function(array, item) { + return array.indexOf(item); + }: + function(array, item) { + for (var i = 0, ilen = array.length; i < ilen; ++i) { + if (array[i] === item) { + return i; + } + } + return -1; + }; + helpers.where = function(collection, filterCallback) { + if (helpers.isArray(collection) && Array.prototype.filter) { + return collection.filter(filterCallback); + } + var filtered = []; + + helpers.each(collection, function(item) { + if (filterCallback(item)) { + filtered.push(item); + } + }); + + return filtered; + }; + helpers.findIndex = Array.prototype.findIndex? + function(array, callback, scope) { + return array.findIndex(callback, scope); + } : + function(array, callback, scope) { + scope = scope === undefined? array : scope; + for (var i = 0, ilen = array.length; i < ilen; ++i) { + if (callback.call(scope, array[i], i, array)) { + return i; + } + } + return -1; + }; + helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to start of the array + if (startIndex === undefined || startIndex === null) { + startIndex = -1; + } + for (var i = startIndex + 1; i < arrayToSearch.length; i++) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) { + // Default to end of the array + if (startIndex === undefined || startIndex === null) { + startIndex = arrayToSearch.length; + } + for (var i = startIndex - 1; i >= 0; i--) { + var currentItem = arrayToSearch[i]; + if (filterCallback(currentItem)) { + return currentItem; + } + } + }; + helpers.inherits = function(extensions) { + // Basic javascript inheritance based on the model created in Backbone.js + var me = this; + var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { + return me.apply(this, arguments); + }; + + var Surrogate = function() { + this.constructor = ChartElement; + }; + Surrogate.prototype = me.prototype; + ChartElement.prototype = new Surrogate(); + + ChartElement.extend = helpers.inherits; + + if (extensions) { + helpers.extend(ChartElement.prototype, extensions); + } + + ChartElement.__super__ = me.prototype; + + return ChartElement; + }; + helpers.noop = function() {}; + helpers.uid = (function() { + var id = 0; + return function() { + return id++; + }; + }()); + // -- Math methods + helpers.isNumber = function(n) { + return !isNaN(parseFloat(n)) && isFinite(n); + }; + helpers.almostEquals = function(x, y, epsilon) { + return Math.abs(x - y) < epsilon; + }; + helpers.almostWhole = function(x, epsilon) { + var rounded = Math.round(x); + return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); + }; + helpers.max = function(array) { + return array.reduce(function(max, value) { + if (!isNaN(value)) { + return Math.max(max, value); + } + return max; + }, Number.NEGATIVE_INFINITY); + }; + helpers.min = function(array) { + return array.reduce(function(min, value) { + if (!isNaN(value)) { + return Math.min(min, value); + } + return min; + }, Number.POSITIVE_INFINITY); + }; + helpers.sign = Math.sign? + function(x) { + return Math.sign(x); + } : + function(x) { + x = +x; // convert to a number + if (x === 0 || isNaN(x)) { + return x; + } + return x > 0 ? 1 : -1; + }; + helpers.log10 = Math.log10? + function(x) { + return Math.log10(x); + } : + function(x) { + return Math.log(x) / Math.LN10; + }; + helpers.toRadians = function(degrees) { + return degrees * (Math.PI / 180); + }; + helpers.toDegrees = function(radians) { + return radians * (180 / Math.PI); + }; + // Gets the angle from vertical upright to the point about a centre. + helpers.getAngleFromPoint = function(centrePoint, anglePoint) { + var distanceFromXCenter = anglePoint.x - centrePoint.x, + distanceFromYCenter = anglePoint.y - centrePoint.y, + radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); + + var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); + + if (angle < (-0.5 * Math.PI)) { + angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] + } + + return { + angle: angle, + distance: radialDistanceFromCenter + }; + }; + helpers.distanceBetweenPoints = function(pt1, pt2) { + return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); + }; + helpers.aliasPixel = function(pixelWidth) { + return (pixelWidth % 2 === 0) ? 0 : 0.5; + }; + helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { + // Props to Rob Spencer at scaled innovation for his post on splining between points + // http://scaledinnovation.com/analytics/splines/aboutSplines.html + + // This function must also respect "skipped" points + + var previous = firstPoint.skip ? middlePoint : firstPoint, + current = middlePoint, + next = afterPoint.skip ? middlePoint : afterPoint; + + var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); + var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); + + var s01 = d01 / (d01 + d12); + var s12 = d12 / (d01 + d12); + + // If all points are the same, s01 & s02 will be inf + s01 = isNaN(s01) ? 0 : s01; + s12 = isNaN(s12) ? 0 : s12; + + var fa = t * s01; // scaling factor for triangle Ta + var fb = t * s12; + + return { + previous: { + x: current.x - fa * (next.x - previous.x), + y: current.y - fa * (next.y - previous.y) + }, + next: { + x: current.x + fb * (next.x - previous.x), + y: current.y + fb * (next.y - previous.y) + } + }; + }; + helpers.EPSILON = Number.EPSILON || 1e-14; + helpers.splineCurveMonotone = function(points) { + // This function calculates Bézier control points in a similar way than |splineCurve|, + // but preserves monotonicity of the provided data and ensures no local extremums are added + // between the dataset discrete points due to the interpolation. + // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation + + var pointsWithTangents = (points || []).map(function(point) { + return { + model: point._model, + deltaK: 0, + mK: 0 + }; + }); + + // Calculate slopes (deltaK) and initialize tangents (mK) + var pointsLen = pointsWithTangents.length; + var i, pointBefore, pointCurrent, pointAfter; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointAfter && !pointAfter.model.skip) { + var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); + + // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 + pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; + } + + if (!pointBefore || pointBefore.model.skip) { + pointCurrent.mK = pointCurrent.deltaK; + } else if (!pointAfter || pointAfter.model.skip) { + pointCurrent.mK = pointBefore.deltaK; + } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { + pointCurrent.mK = 0; + } else { + pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; + } + } + + // Adjust tangents to ensure monotonic properties + var alphaK, betaK, tauK, squaredMagnitude; + for (i = 0; i < pointsLen - 1; ++i) { + pointCurrent = pointsWithTangents[i]; + pointAfter = pointsWithTangents[i + 1]; + if (pointCurrent.model.skip || pointAfter.model.skip) { + continue; + } + + if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { + pointCurrent.mK = pointAfter.mK = 0; + continue; + } + + alphaK = pointCurrent.mK / pointCurrent.deltaK; + betaK = pointAfter.mK / pointCurrent.deltaK; + squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); + if (squaredMagnitude <= 9) { + continue; + } + + tauK = 3 / Math.sqrt(squaredMagnitude); + pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; + pointAfter.mK = betaK * tauK * pointCurrent.deltaK; + } + + // Compute control points + var deltaX; + for (i = 0; i < pointsLen; ++i) { + pointCurrent = pointsWithTangents[i]; + if (pointCurrent.model.skip) { + continue; + } + + pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; + pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; + if (pointBefore && !pointBefore.model.skip) { + deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; + pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; + pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; + } + if (pointAfter && !pointAfter.model.skip) { + deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; + pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; + pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; + } + } + }; + helpers.nextItem = function(collection, index, loop) { + if (loop) { + return index >= collection.length - 1 ? collection[0] : collection[index + 1]; + } + return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; + }; + helpers.previousItem = function(collection, index, loop) { + if (loop) { + return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; + } + return index <= 0 ? collection[0] : collection[index - 1]; + }; + // Implementation of the nice number algorithm used in determining where axis labels will go + helpers.niceNum = function(range, round) { + var exponent = Math.floor(helpers.log10(range)); + var fraction = range / Math.pow(10, exponent); + var niceFraction; + + if (round) { + if (fraction < 1.5) { + niceFraction = 1; + } else if (fraction < 3) { + niceFraction = 2; + } else if (fraction < 7) { + niceFraction = 5; + } else { + niceFraction = 10; + } + } else if (fraction <= 1.0) { + niceFraction = 1; + } else if (fraction <= 2) { + niceFraction = 2; + } else if (fraction <= 5) { + niceFraction = 5; + } else { + niceFraction = 10; + } + + return niceFraction * Math.pow(10, exponent); + }; + // Easing functions adapted from Robert Penner's easing equations + // http://www.robertpenner.com/easing/ + var easingEffects = helpers.easingEffects = { + linear: function(t) { + return t; + }, + easeInQuad: function(t) { + return t * t; + }, + easeOutQuad: function(t) { + return -1 * t * (t - 2); + }, + easeInOutQuad: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t; + } + return -1 / 2 * ((--t) * (t - 2) - 1); + }, + easeInCubic: function(t) { + return t * t * t; + }, + easeOutCubic: function(t) { + return 1 * ((t = t / 1 - 1) * t * t + 1); + }, + easeInOutCubic: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t; + } + return 1 / 2 * ((t -= 2) * t * t + 2); + }, + easeInQuart: function(t) { + return t * t * t * t; + }, + easeOutQuart: function(t) { + return -1 * ((t = t / 1 - 1) * t * t * t - 1); + }, + easeInOutQuart: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t * t; + } + return -1 / 2 * ((t -= 2) * t * t * t - 2); + }, + easeInQuint: function(t) { + return 1 * (t /= 1) * t * t * t * t; + }, + easeOutQuint: function(t) { + return 1 * ((t = t / 1 - 1) * t * t * t * t + 1); + }, + easeInOutQuint: function(t) { + if ((t /= 1 / 2) < 1) { + return 1 / 2 * t * t * t * t * t; + } + return 1 / 2 * ((t -= 2) * t * t * t * t + 2); + }, + easeInSine: function(t) { + return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1; + }, + easeOutSine: function(t) { + return 1 * Math.sin(t / 1 * (Math.PI / 2)); + }, + easeInOutSine: function(t) { + return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1); + }, + easeInExpo: function(t) { + return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1)); + }, + easeOutExpo: function(t) { + return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1); + }, + easeInOutExpo: function(t) { + if (t === 0) { + return 0; + } + if (t === 1) { + return 1; + } + if ((t /= 1 / 2) < 1) { + return 1 / 2 * Math.pow(2, 10 * (t - 1)); + } + return 1 / 2 * (-Math.pow(2, -10 * --t) + 2); + }, + easeInCirc: function(t) { + if (t >= 1) { + return t; + } + return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1); + }, + easeOutCirc: function(t) { + return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t); + }, + easeInOutCirc: function(t) { + if ((t /= 1 / 2) < 1) { + return -1 / 2 * (Math.sqrt(1 - t * t) - 1); + } + return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1); + }, + easeInElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1) === 1) { + return 1; + } + if (!p) { + p = 1 * 0.3; + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + }, + easeOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1) === 1) { + return 1; + } + if (!p) { + p = 1 * 0.3; + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1; + }, + easeInOutElastic: function(t) { + var s = 1.70158; + var p = 0; + var a = 1; + if (t === 0) { + return 0; + } + if ((t /= 1 / 2) === 2) { + return 1; + } + if (!p) { + p = 1 * (0.3 * 1.5); + } + if (a < Math.abs(1)) { + a = 1; + s = p / 4; + } else { + s = p / (2 * Math.PI) * Math.asin(1 / a); + } + if (t < 1) { + return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p)); + } + return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1; + }, + easeInBack: function(t) { + var s = 1.70158; + return 1 * (t /= 1) * t * ((s + 1) * t - s); + }, + easeOutBack: function(t) { + var s = 1.70158; + return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1); + }, + easeInOutBack: function(t) { + var s = 1.70158; + if ((t /= 1 / 2) < 1) { + return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)); + } + return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); + }, + easeInBounce: function(t) { + return 1 - easingEffects.easeOutBounce(1 - t); + }, + easeOutBounce: function(t) { + if ((t /= 1) < (1 / 2.75)) { + return 1 * (7.5625 * t * t); + } else if (t < (2 / 2.75)) { + return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75); + } else if (t < (2.5 / 2.75)) { + return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375); + } + return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375); + }, + easeInOutBounce: function(t) { + if (t < 1 / 2) { + return easingEffects.easeInBounce(t * 2) * 0.5; + } + return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5; + } + }; + // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ + helpers.requestAnimFrame = (function() { + return window.requestAnimationFrame || + window.webkitRequestAnimationFrame || + window.mozRequestAnimationFrame || + window.oRequestAnimationFrame || + window.msRequestAnimationFrame || + function(callback) { + return window.setTimeout(callback, 1000 / 60); + }; + }()); + // -- 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; + } + }; + + // Private helper function to convert max-width/max-height values that may be percentages into a number + function parseMaxStyle(styleValue, node, parentProperty) { + var valueInPixels; + if (typeof(styleValue) === 'string') { + valueInPixels = parseInt(styleValue, 10); + + if (styleValue.indexOf('%') !== -1) { + // percentage * size in dimension + valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; + } + } else { + valueInPixels = styleValue; + } + + return valueInPixels; + } + + /** + * Returns if the given value contains an effective constraint. + * @private + */ + function isConstrainedValue(value) { + return value !== undefined && value !== null && value !== 'none'; + } + + // Private helper to get a constraint dimension + // @param domNode : the node to check the constraint on + // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) + // @param percentageProperty : property of parent to use when calculating width as a percentage + // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser + function getConstraintDimension(domNode, maxStyle, percentageProperty) { + var view = document.defaultView; + var parentNode = domNode.parentNode; + var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; + var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; + var hasCNode = isConstrainedValue(constrainedNode); + var hasCContainer = isConstrainedValue(constrainedContainer); + var infinity = Number.POSITIVE_INFINITY; + + if (hasCNode || hasCContainer) { + return Math.min( + hasCNode? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, + hasCContainer? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); + } + + return 'none'; + } + // returns Number or undefined if no constraint + helpers.getConstraintWidth = function(domNode) { + return getConstraintDimension(domNode, 'max-width', 'clientWidth'); + }; + // returns Number or undefined if no constraint + helpers.getConstraintHeight = function(domNode) { + return getConstraintDimension(domNode, 'max-height', 'clientHeight'); + }; + helpers.getMaximumWidth = function(domNode) { + var container = domNode.parentNode; + var paddingLeft = parseInt(helpers.getStyle(container, 'padding-left'), 10); + var paddingRight = parseInt(helpers.getStyle(container, 'padding-right'), 10); + var w = container.clientWidth - paddingLeft - paddingRight; + var cw = helpers.getConstraintWidth(domNode); + return isNaN(cw)? w : Math.min(w, cw); + }; + helpers.getMaximumHeight = function(domNode) { + var container = domNode.parentNode; + var paddingTop = parseInt(helpers.getStyle(container, 'padding-top'), 10); + var paddingBottom = parseInt(helpers.getStyle(container, 'padding-bottom'), 10); + var h = container.clientHeight - paddingTop - paddingBottom; + var ch = helpers.getConstraintHeight(domNode); + return isNaN(ch)? h : Math.min(h, ch); + }; + helpers.getStyle = function(el, property) { + return el.currentStyle ? + el.currentStyle[property] : + document.defaultView.getComputedStyle(el, null).getPropertyValue(property); + }; + helpers.retinaScale = function(chart) { + var pixelRatio = chart.currentDevicePixelRatio = window.devicePixelRatio || 1; + if (pixelRatio === 1) { + return; + } + + var canvas = chart.canvas; + var height = chart.height; + var width = chart.width; + + canvas.height = height * pixelRatio; + canvas.width = width * pixelRatio; + chart.ctx.scale(pixelRatio, pixelRatio); + + // If no style has been set on the canvas, the render size is used as display size, + // making the chart visually bigger, so let's enforce it to the "correct" values. + // See https://github.com/chartjs/Chart.js/issues/3575 + canvas.style.height = height + 'px'; + canvas.style.width = width + 'px'; + }; + // -- Canvas methods + helpers.clear = function(chart) { + chart.ctx.clearRect(0, 0, chart.width, chart.height); + }; + helpers.fontString = function(pixelSize, fontStyle, fontFamily) { + return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; + }; + helpers.longestText = function(ctx, font, arrayOfThings, cache) { + cache = cache || {}; + var data = cache.data = cache.data || {}; + var gc = cache.garbageCollect = cache.garbageCollect || []; + + if (cache.font !== font) { + data = cache.data = {}; + gc = cache.garbageCollect = []; + cache.font = font; + } + + ctx.font = font; + var longest = 0; + helpers.each(arrayOfThings, function(thing) { + // Undefined strings and arrays should not be measured + if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { + longest = helpers.measureText(ctx, data, gc, longest, thing); + } else if (helpers.isArray(thing)) { + // if it is an array lets measure each element + // to do maybe simplify this function a bit so we can do this more recursively? + helpers.each(thing, function(nestedThing) { + // Undefined strings and arrays should not be measured + if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { + longest = helpers.measureText(ctx, data, gc, longest, nestedThing); + } + }); + } + }); + + var gcLen = gc.length / 2; + if (gcLen > arrayOfThings.length) { + for (var i = 0; i < gcLen; i++) { + delete data[gc[i]]; + } + gc.splice(0, gcLen); + } + return longest; + }; + helpers.measureText = function(ctx, data, gc, longest, string) { + var textWidth = data[string]; + if (!textWidth) { + textWidth = data[string] = ctx.measureText(string).width; + gc.push(string); + } + if (textWidth > longest) { + longest = textWidth; + } + return longest; + }; + helpers.numberOfLabelLines = function(arrayOfThings) { + var numberOfLines = 1; + helpers.each(arrayOfThings, function(thing) { + if (helpers.isArray(thing)) { + if (thing.length > numberOfLines) { + numberOfLines = thing.length; + } + } + }); + return numberOfLines; + }; + helpers.drawRoundedRectangle = function(ctx, x, y, width, height, radius) { + ctx.beginPath(); + ctx.moveTo(x + radius, y); + ctx.lineTo(x + width - radius, y); + ctx.quadraticCurveTo(x + width, y, x + width, y + radius); + ctx.lineTo(x + width, y + height - radius); + ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); + ctx.lineTo(x + radius, y + height); + ctx.quadraticCurveTo(x, y + height, x, y + height - radius); + ctx.lineTo(x, y + radius); + ctx.quadraticCurveTo(x, y, x + radius, y); + ctx.closePath(); + }; + helpers.color = function(c) { + if (!color) { + console.error('Color.js not found!'); + return c; + } + + /* global CanvasGradient */ + if (c instanceof CanvasGradient) { + return color(Chart.defaults.global.defaultColor); + } + + return color(c); + }; + helpers.isArray = Array.isArray? + function(obj) { + return Array.isArray(obj); + } : + function(obj) { + return Object.prototype.toString.call(obj) === '[object Array]'; + }; + // ! @see http://stackoverflow.com/a/14853974 + helpers.arrayEquals = function(a0, a1) { + var i, ilen, v0, v1; + + if (!a0 || !a1 || a0.length !== a1.length) { + return false; + } + + for (i = 0, ilen=a0.length; i < ilen; ++i) { + v0 = a0[i]; + v1 = a1[i]; + + if (v0 instanceof Array && v1 instanceof Array) { + if (!helpers.arrayEquals(v0, v1)) { + return false; + } + } else if (v0 !== v1) { + // NOTE: two different object instances will never be equal: {x:20} != {x:20} + return false; + } + } + + return true; + }; + helpers.callCallback = function(fn, args, _tArg) { + if (fn && typeof fn.call === 'function') { + fn.apply(_tArg, args); + } + }; + helpers.getHoverColor = function(colorValue) { + /* global CanvasPattern */ + return (colorValue instanceof CanvasPattern) ? + colorValue : + helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); + }; +}; + +},{"3":3}],27:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + var helpers = Chart.helpers; + + /** + * Helper function to get relative position for an event + * @param {Event|IEvent} event - The event to get the position for + * @param {Chart} chart - The chart + * @returns {Point} the event position + */ + function getRelativePosition(e, chart) { + if (e.native) { + return { + x: e.x, + y: e.y + }; + } + + return helpers.getRelativePosition(e, chart); + } + + /** + * Helper function to traverse all of the visible elements in the chart + * @param chart {chart} the chart + * @param handler {Function} the callback to execute for each visible item + */ + function parseVisibleItems(chart, handler) { + var datasets = chart.data.datasets; + var meta, i, j, ilen, jlen; + + for (i = 0, ilen = datasets.length; i < ilen; ++i) { + if (!chart.isDatasetVisible(i)) { + continue; + } + + meta = chart.getDatasetMeta(i); + for (j = 0, jlen = meta.data.length; j < jlen; ++j) { + var element = meta.data[j]; + if (!element._view.skip) { + handler(element); + } + } + } + } + + /** + * Helper function to get the items that intersect the event position + * @param items {ChartElement[]} elements to filter + * @param position {Point} the point to be nearest to + * @return {ChartElement[]} the nearest items + */ + function getIntersectItems(chart, position) { + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + } + }); + + return elements; + } + + /** + * Helper function to get the items nearest to the event position considering all visible items in teh chart + * @param chart {Chart} the chart to look at elements from + * @param position {Point} the point to be nearest to + * @param intersect {Boolean} if true, only consider items that intersect the position + * @param distanceMetric {Function} Optional function to provide the distance between + * @return {ChartElement[]} the nearest items + */ + function getNearestItems(chart, position, intersect, distanceMetric) { + var minDistance = Number.POSITIVE_INFINITY; + var nearestItems = []; + + if (!distanceMetric) { + distanceMetric = helpers.distanceBetweenPoints; + } + + parseVisibleItems(chart, function(element) { + if (intersect && !element.inRange(position.x, position.y)) { + return; + } + + var center = element.getCenterPoint(); + var distance = distanceMetric(position, center); + + if (distance < minDistance) { + nearestItems = [element]; + minDistance = distance; + } else if (distance === minDistance) { + // Can have multiple items at the same distance in which case we sort by size + nearestItems.push(element); + } + }); + + return nearestItems; + } + + function indexMode(chart, e, options) { + var position = getRelativePosition(e, chart.chart); + var distanceMetric = function(pt1, pt2) { + return Math.abs(pt1.x - pt2.x); + }; + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); + var elements = []; + + if (!items.length) { + return []; + } + + chart.data.datasets.forEach(function(dataset, datasetIndex) { + if (chart.isDatasetVisible(datasetIndex)) { + var meta = chart.getDatasetMeta(datasetIndex), + element = meta.data[items[0]._index]; + + // don't count items that are skipped (null data) + if (element && !element._view.skip) { + elements.push(element); + } + } + }); + + return elements; + } + + /** + * @interface IInteractionOptions + */ + /** + * If true, only consider items that intersect the point + * @name IInterfaceOptions#boolean + * @type Boolean + */ + + /** + * Contains interaction related functions + * @namespace Chart.Interaction + */ + Chart.Interaction = { + // Helper function for different modes + modes: { + single: function(chart, e) { + var position = getRelativePosition(e, chart.chart); + var elements = []; + + parseVisibleItems(chart, function(element) { + if (element.inRange(position.x, position.y)) { + elements.push(element); + return elements; + } + }); + + return elements.slice(0, 1); + }, + + /** + * @function Chart.Interaction.modes.label + * @deprecated since version 2.4.0 + */ + label: indexMode, + + /** + * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item + * @function Chart.Interaction.modes.index + * @since v2.4.0 + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + index: indexMode, + + /** + * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something + * If the options.intersect is false, we find the nearest item and return the items in that dataset + * @function Chart.Interaction.modes.dataset + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use during interaction + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + dataset: function(chart, e, options) { + var position = getRelativePosition(e, chart.chart); + var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false); + + if (items.length > 0) { + items = chart.getDatasetMeta(items[0]._datasetIndex).data; + } + + return items; + }, + + /** + * @function Chart.Interaction.modes.x-axis + * @deprecated since version 2.4.0. Use index mode and intersect == true + */ + 'x-axis': function(chart, e) { + return indexMode(chart, e, true); + }, + + /** + * Point mode returns all elements that hit test based on the event position + * of the event + * @function Chart.Interaction.modes.intersect + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + point: function(chart, e) { + var position = getRelativePosition(e, chart.chart); + return getIntersectItems(chart, position); + }, + + /** + * nearest mode returns the element closest to the point + * @function Chart.Interaction.modes.intersect + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + nearest: function(chart, e, options) { + var position = getRelativePosition(e, chart.chart); + var nearestItems = getNearestItems(chart, position, options.intersect); + + // We have multiple items at the same distance from the event. Now sort by smallest + if (nearestItems.length > 1) { + nearestItems.sort(function(a, b) { + var sizeA = a.getArea(); + var sizeB = b.getArea(); + var ret = sizeA - sizeB; + + if (ret === 0) { + // if equal sort by dataset index + ret = a._datasetIndex - b._datasetIndex; + } + + return ret; + }); + } + + // Return only 1 item + return nearestItems.slice(0, 1); + }, + + /** + * x mode returns the elements that hit-test at the current x coordinate + * @function Chart.Interaction.modes.x + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + x: function(chart, e, options) { + var position = getRelativePosition(e, chart.chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inXRange(position.x)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + }, + + /** + * y mode returns the elements that hit-test at the current y coordinate + * @function Chart.Interaction.modes.y + * @param chart {chart} the chart we are returning items from + * @param e {Event} the event we are find things at + * @param options {IInteractionOptions} options to use + * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned + */ + y: function(chart, e, options) { + var position = getRelativePosition(e, chart.chart); + var items = []; + var intersectsItem = false; + + parseVisibleItems(chart, function(element) { + if (element.inYRange(position.y)) { + items.push(element); + } + + if (element.inRange(position.x, position.y)) { + intersectsItem = true; + } + }); + + // If we want to trigger on an intersect and we don't have any items + // that intersect the position, return nothing + if (options.intersect && !intersectsItem) { + items = []; + } + return items; + } + } + }; +}; + +},{}],28:[function(require,module,exports){ +'use strict'; + +module.exports = function() { + + // Occupy the global variable of Chart, and create a simple base class + var Chart = function(item, config) { + this.controller = new Chart.Controller(item, config, this); + return this.controller; + }; + + // 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: 'nearest', + intersect: true, + animationDuration: 400 + }, + onClick: null, + defaultColor: 'rgba(0,0,0,0.1)', + defaultFontColor: '#666', + defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", + defaultFontSize: 12, + defaultFontStyle: 'normal', + showLines: true, + + // Element defaults defined in element extensions + elements: {}, + + // Legend callback string + legendCallback: function(chart) { + var text = []; + text.push('<ul class="' + chart.id + '-legend">'); + for (var i = 0; i < chart.data.datasets.length; i++) { + text.push('<li><span style="background-color:' + chart.data.datasets[i].backgroundColor + '"></span>'); + if (chart.data.datasets[i].label) { + text.push(chart.data.datasets[i].label); + } + text.push('</li>'); + } + text.push('</ul>'); + + return text.join(''); + } + } + }; + + Chart.Chart = Chart; + + return Chart; +}; + +},{}],29:[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 layoutOptions = chartInstance.options.layout; + var padding = layoutOptions ? layoutOptions.padding : null; + + var leftPadding = 0; + var rightPadding = 0; + var topPadding = 0; + var bottomPadding = 0; + + if (!isNaN(padding)) { + // options.layout.padding is a number. assign to all + leftPadding = padding; + rightPadding = padding; + topPadding = padding; + bottomPadding = padding; + } else { + leftPadding = padding.left || 0; + rightPadding = padding.right || 0; + topPadding = padding.top || 0; + bottomPadding = padding.bottom || 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 - leftPadding - rightPadding; + var chartHeight = height - topPadding - bottomPadding; + var chartAreaWidth = chartWidth / 2; // min 50% + var chartAreaHeight = chartHeight / 2; // min 50% + + // Step 2 + var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length); + + // Step 3 + var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length); + + // Step 4 + var maxChartAreaWidth = chartWidth; + var maxChartAreaHeight = chartHeight; + var minBoxSizes = []; + + function getMinimumBoxSize(box) { + var minSize; + var isHorizontal = box.isHorizontal(); + + if (isHorizontal) { + minSize = box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); + maxChartAreaHeight -= minSize.height; + } else { + minSize = box.update(verticalBoxWidth, chartAreaHeight); + maxChartAreaWidth -= minSize.width; + } + + minBoxSizes.push({ + horizontal: isHorizontal, + minSize: minSize, + box: box, + }); + } + + helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); + + // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) + var maxHorizontalLeftPadding = 0; + var maxHorizontalRightPadding = 0; + var maxVerticalTopPadding = 0; + var maxVerticalBottomPadding = 0; + + helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) { + if (horizontalBox.getPadding) { + var boxPadding = horizontalBox.getPadding(); + maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left); + maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right); + } + }); + + helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) { + if (verticalBox.getPadding) { + var boxPadding = verticalBox.getPadding(); + maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top); + maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom); + } + }); + + // 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 = leftPadding; + var totalRightBoxesWidth = rightPadding; + var totalTopBoxesHeight = topPadding; + var totalBottomBoxesHeight = bottomPadding; + + // Function to fit a box + function fitBox(box) { + var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) { + return minBox.box === box; + }); + + if (minBoxSize) { + if (box.isHorizontal()) { + var scaleMargin = { + left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding), + right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding), + top: 0, + bottom: 0 + }; + + // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends + // on the margin. Sometimes they need to increase in size slightly + box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); + } else { + box.update(minBoxSize.minSize.width, maxChartAreaHeight); + } + } + } + + // Update, and calculate the left and right margins for the horizontal boxes + helpers.each(leftBoxes.concat(rightBoxes), fitBox); + + helpers.each(leftBoxes, function(box) { + totalLeftBoxesWidth += box.width; + }); + + helpers.each(rightBoxes, function(box) { + totalRightBoxesWidth += box.width; + }); + + // Set the Left and Right margins for the horizontal boxes + helpers.each(topBoxes.concat(bottomBoxes), fitBox); + + // Figure out how much margin is on the top and bottom of the vertical boxes + helpers.each(topBoxes, function(box) { + totalTopBoxesHeight += box.height; + }); + + helpers.each(bottomBoxes, function(box) { + totalBottomBoxesHeight += box.height; + }); + + function finalFitVerticalBox(box) { + var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) { + return minSize.box === box; + }); + + var scaleMargin = { + left: 0, + right: 0, + top: totalTopBoxesHeight, + bottom: totalBottomBoxesHeight + }; + + if (minBoxSize) { + box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); + } + } + + // Let the left layout know the final margin + helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); + + // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) + totalLeftBoxesWidth = leftPadding; + totalRightBoxesWidth = rightPadding; + totalTopBoxesHeight = topPadding; + totalBottomBoxesHeight = bottomPadding; + + 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; + }); + + // We may be adding some padding to account for rotated x axis labels + var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0); + totalLeftBoxesWidth += leftPaddingAddition; + totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0); + + var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0); + totalTopBoxesHeight += topPaddingAddition; + totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0); + + // 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 = leftPadding + leftPaddingAddition; + var top = topPadding + topPaddingAddition; + + function placeBox(box) { + if (box.isHorizontal()) { + box.left = box.options.fullWidth ? leftPadding : totalLeftBoxesWidth; + box.right = box.options.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth; + box.top = top; + box.bottom = top + box.height; + + // Move to next point + top = box.bottom; + + } else { + + box.left = left; + box.right = left + box.width; + box.top = totalTopBoxesHeight; + box.bottom = totalTopBoxesHeight + maxChartAreaHeight; + + // Move to next point + left = box.right; + } + } + + helpers.each(leftBoxes.concat(topBoxes), placeBox); + + // Account for chart width and height + left += maxChartAreaWidth; + top += maxChartAreaHeight; + + helpers.each(rightBoxes, placeBox); + helpers.each(bottomBoxes, placeBox); + + // Step 8 + chartInstance.chartArea = { + left: totalLeftBoxesWidth, + top: totalTopBoxesHeight, + right: totalLeftBoxesWidth + maxChartAreaWidth, + bottom: totalTopBoxesHeight + maxChartAreaHeight + }; + + // Step 9 + helpers.each(chartAreaBoxes, function(box) { + box.left = chartInstance.chartArea.left; + box.top = chartInstance.chartArea.top; + box.right = chartInstance.chartArea.right; + box.bottom = chartInstance.chartArea.bottom; + + box.update(maxChartAreaWidth, maxChartAreaHeight); + }); + } + }; +}; + +},{}],30:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + var noop = helpers.noop; + + Chart.defaults.global.legend = { + + display: true, + position: 'top', + fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes) + reverse: false, + + // a callback that will handle + onClick: function(e, legendItem) { + var index = legendItem.datasetIndex; + var ci = this.chart; + var meta = ci.getDatasetMeta(index); + + // See controller.isDatasetVisible comment + meta.hidden = meta.hidden === null? !ci.data.datasets[index].hidden : null; + + // We hid a dataset ... rerender the chart + ci.update(); + }, + + onHover: null, + + labels: { + boxWidth: 40, + padding: 10, + // Generates labels shown in the legend + // Valid properties to return: + // text : text to display + // fillStyle : fill of coloured box + // strokeStyle: stroke of coloured box + // hidden : if this legend item refers to a hidden item + // lineCap : cap style for line + // lineDash + // lineDashOffset : + // lineJoin : + // lineWidth : + generateLabels: function(chart) { + var data = chart.data; + return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { + return { + text: dataset.label, + fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), + hidden: !chart.isDatasetVisible(i), + lineCap: dataset.borderCapStyle, + lineDash: dataset.borderDash, + lineDashOffset: dataset.borderDashOffset, + lineJoin: dataset.borderJoinStyle, + lineWidth: dataset.borderWidth, + strokeStyle: dataset.borderColor, + pointStyle: dataset.pointStyle, + + // Below is extra data used for toggling the datasets + datasetIndex: i + }; + }, this) : []; + } + } + }; + + /** + * Helper function to get the box width based on the usePointStyle option + * @param labelopts {Object} the label options on the legend + * @param fontSize {Number} the label font size + * @return {Number} width of the color box area + */ + function getBoxWidth(labelOpts, fontSize) { + return labelOpts.usePointStyle ? + fontSize * Math.SQRT2 : + labelOpts.boxWidth; + } + + 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 lifecycle. Utilities then follow. + // Any function defined here is inherited by all legend types. + // Any function can be extended by the legend type + + beforeUpdate: noop, + update: function(maxWidth, maxHeight, margins) { + var me = this; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = margins; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + // Labels + me.beforeBuildLabels(); + me.buildLabels(); + me.afterBuildLabels(); + + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + }, + afterUpdate: noop, + + // + + beforeSetDimensions: noop, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + + // Reset minSize + me.minSize = { + width: 0, + height: 0 + }; + }, + afterSetDimensions: noop, + + // + + beforeBuildLabels: noop, + buildLabels: function() { + var me = this; + var labelOpts = me.options.labels; + var legendItems = labelOpts.generateLabels.call(me, me.chart); + + if (labelOpts.filter) { + legendItems = legendItems.filter(function(item) { + return labelOpts.filter(item, me.chart.data); + }); + } + + if (me.options.reverse) { + legendItems.reverse(); + } + + me.legendItems = legendItems; + }, + afterBuildLabels: noop, + + // + + beforeFit: noop, + fit: function() { + var me = this; + var opts = me.options; + var labelOpts = opts.labels; + var display = opts.display; + + var ctx = me.ctx; + + var globalDefault = Chart.defaults.global, + itemOrDefault = helpers.getValueOrDefault, + fontSize = itemOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize), + fontStyle = itemOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle), + fontFamily = itemOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily), + labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); + + // Reset hit boxes + var hitboxes = me.legendHitBoxes = []; + + var minSize = me.minSize; + var isHorizontal = me.isHorizontal(); + + if (isHorizontal) { + minSize.width = me.maxWidth; // fill all the width + minSize.height = display ? 10 : 0; + } else { + minSize.width = display ? 10 : 0; + minSize.height = me.maxHeight; // fill all the height + } + + // Increase sizes here + if (display) { + ctx.font = labelFont; + + if (isHorizontal) { + // Labels + + // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one + var lineWidths = me.lineWidths = [0]; + var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0; + + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; + + helpers.each(me.legendItems, function(legendItem, i) { + var boxWidth = getBoxWidth(labelOpts, fontSize); + var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + + if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) { + totalHeight += fontSize + (labelOpts.padding); + lineWidths[lineWidths.length] = me.left; + } + + // Store the hitbox width and height here. Final position will be updated in `draw` + hitboxes[i] = { + left: 0, + top: 0, + width: width, + height: fontSize + }; + + lineWidths[lineWidths.length - 1] += width + labelOpts.padding; + }); + + minSize.height += totalHeight; + + } else { + var vPadding = labelOpts.padding; + var columnWidths = me.columnWidths = []; + var totalWidth = labelOpts.padding; + var currentColWidth = 0; + var currentColHeight = 0; + var itemHeight = fontSize + vPadding; + + helpers.each(me.legendItems, function(legendItem, i) { + var boxWidth = getBoxWidth(labelOpts, fontSize); + var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; + + // If too tall, go to new column + if (currentColHeight + itemHeight > minSize.height) { + totalWidth += currentColWidth + labelOpts.padding; + columnWidths.push(currentColWidth); // previous column width + + currentColWidth = 0; + currentColHeight = 0; + } + + // Get max width + currentColWidth = Math.max(currentColWidth, itemWidth); + currentColHeight += itemHeight; + + // Store the hitbox width and height here. Final position will be updated in `draw` + hitboxes[i] = { + left: 0, + top: 0, + width: itemWidth, + height: fontSize + }; + }); + + totalWidth += currentColWidth; + columnWidths.push(currentColWidth); + minSize.width += totalWidth; + } + } + + me.width = minSize.width; + me.height = minSize.height; + }, + afterFit: noop, + + // Shared Methods + isHorizontal: function() { + return this.options.position === 'top' || this.options.position === 'bottom'; + }, + + // Actually draw the legend on the canvas + draw: function() { + var me = this; + var opts = me.options; + var labelOpts = opts.labels; + var globalDefault = Chart.defaults.global, + lineDefault = globalDefault.elements.line, + legendWidth = me.width, + lineWidths = me.lineWidths; + + if (opts.display) { + var ctx = me.ctx, + cursor, + itemOrDefault = helpers.getValueOrDefault, + fontColor = itemOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor), + fontSize = itemOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize), + fontStyle = itemOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle), + fontFamily = itemOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily), + labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); + + // Canvas setup + ctx.textAlign = 'left'; + ctx.textBaseline = 'top'; + ctx.lineWidth = 0.5; + ctx.strokeStyle = fontColor; // for strikethrough effect + ctx.fillStyle = fontColor; // render in correct colour + ctx.font = labelFont; + + var boxWidth = getBoxWidth(labelOpts, fontSize), + hitboxes = me.legendHitBoxes; + + // current position + var drawLegendBox = function(x, y, legendItem) { + if (isNaN(boxWidth) || boxWidth <= 0) { + return; + } + + // Set the ctx for the box + ctx.save(); + + ctx.fillStyle = itemOrDefault(legendItem.fillStyle, globalDefault.defaultColor); + ctx.lineCap = itemOrDefault(legendItem.lineCap, lineDefault.borderCapStyle); + ctx.lineDashOffset = itemOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset); + ctx.lineJoin = itemOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle); + ctx.lineWidth = itemOrDefault(legendItem.lineWidth, lineDefault.borderWidth); + ctx.strokeStyle = itemOrDefault(legendItem.strokeStyle, globalDefault.defaultColor); + var isLineWidthZero = (itemOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0); + + if (ctx.setLineDash) { + // IE 9 and 10 do not support line dash + ctx.setLineDash(itemOrDefault(legendItem.lineDash, lineDefault.borderDash)); + } + + if (opts.labels && opts.labels.usePointStyle) { + // Recalculate x and y for drawPoint() because its expecting + // x and y to be center of figure (instead of top left) + var radius = fontSize * Math.SQRT2 / 2; + var offSet = radius / Math.SQRT2; + var centerX = x + offSet; + var centerY = y + offSet; + + // Draw pointStyle as legend symbol + Chart.canvasHelpers.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); + } else { + // Draw box as legend symbol + if (!isLineWidthZero) { + ctx.strokeRect(x, y, boxWidth, fontSize); + } + ctx.fillRect(x, y, boxWidth, fontSize); + } + + ctx.restore(); + }; + var fillText = function(x, y, legendItem, textWidth) { + ctx.fillText(legendItem.text, boxWidth + (fontSize / 2) + x, y); + + if (legendItem.hidden) { + // Strikethrough the text if hidden + ctx.beginPath(); + ctx.lineWidth = 2; + ctx.moveTo(boxWidth + (fontSize / 2) + x, y + (fontSize / 2)); + ctx.lineTo(boxWidth + (fontSize / 2) + x + textWidth, y + (fontSize / 2)); + ctx.stroke(); + } + }; + + // Horizontal + var isHorizontal = me.isHorizontal(); + if (isHorizontal) { + cursor = { + x: me.left + ((legendWidth - lineWidths[0]) / 2), + y: me.top + labelOpts.padding, + line: 0 + }; + } else { + cursor = { + x: me.left + labelOpts.padding, + y: me.top + labelOpts.padding, + line: 0 + }; + } + + var itemHeight = fontSize + labelOpts.padding; + helpers.each(me.legendItems, function(legendItem, i) { + var textWidth = ctx.measureText(legendItem.text).width, + width = boxWidth + (fontSize / 2) + textWidth, + x = cursor.x, + y = cursor.y; + + if (isHorizontal) { + if (x + width >= legendWidth) { + y = cursor.y += itemHeight; + cursor.line++; + x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2); + } + } else if (y + itemHeight > me.bottom) { + x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; + y = cursor.y = me.top + labelOpts.padding; + cursor.line++; + } + + drawLegendBox(x, y, legendItem); + + hitboxes[i].left = x; + hitboxes[i].top = y; + + // Fill the actual label + fillText(x, y, legendItem, textWidth); + + if (isHorizontal) { + cursor.x += width + (labelOpts.padding); + } else { + cursor.y += itemHeight; + } + + }); + } + }, + + /** + * Handle an event + * @private + * @param {IEvent} event - The event to handle + * @return {Boolean} true if a change occured + */ + handleEvent: function(e) { + var me = this; + var opts = me.options; + var type = e.type === 'mouseup' ? 'click' : e.type; + var changed = false; + + if (type === 'mousemove') { + if (!opts.onHover) { + return; + } + } else if (type === 'click') { + if (!opts.onClick) { + return; + } + } else { + return; + } + + // Chart event already has relative position in it + var x = e.x, + y = e.y; + + if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { + // See if we are touching one of the dataset boxes + var lh = me.legendHitBoxes; + for (var i = 0; i < lh.length; ++i) { + var hitBox = lh[i]; + + if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { + // Touching an element + if (type === 'click') { + // use e.native for backwards compatibility + opts.onClick.call(me, e.native, me.legendItems[i]); + changed = true; + break; + } else if (type === 'mousemove') { + // use e.native for backwards compatibility + opts.onHover.call(me, e.native, me.legendItems[i]); + changed = true; + break; + } + } + } + } + + return changed; + } + }); + + function createNewLegendAndAttach(chartInstance, legendOpts) { + var legend = new Chart.Legend({ + ctx: chartInstance.chart.ctx, + options: legendOpts, + chart: chartInstance + }); + chartInstance.legend = legend; + Chart.layoutService.addBox(chartInstance, legend); + } + + // Register the legend plugin + Chart.plugins.register({ + beforeInit: function(chartInstance) { + var legendOpts = chartInstance.options.legend; + + if (legendOpts) { + createNewLegendAndAttach(chartInstance, legendOpts); + } + }, + beforeUpdate: function(chartInstance) { + var legendOpts = chartInstance.options.legend; + + if (legendOpts) { + legendOpts = helpers.configMerge(Chart.defaults.global.legend, legendOpts); + + if (chartInstance.legend) { + chartInstance.legend.options = legendOpts; + } else { + createNewLegendAndAttach(chartInstance, legendOpts); + } + } else { + Chart.layoutService.removeBox(chartInstance, chartInstance.legend); + delete chartInstance.legend; + } + }, + afterEvent: function(chartInstance, e) { + var legend = chartInstance.legend; + if (legend) { + legend.handleEvent(e); + } + } + }); +}; + +},{}],31:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.global.plugins = {}; + + /** + * The plugin service singleton + * @namespace Chart.plugins + * @since 2.1.0 + */ + Chart.plugins = { + /** + * Globally registered plugins. + * @private + */ + _plugins: [], + + /** + * This identifier is used to invalidate the descriptors cache attached to each chart + * when a global plugin is registered or unregistered. In this case, the cache ID is + * incremented and descriptors are regenerated during following API calls. + * @private + */ + _cacheId: 0, + + /** + * Registers the given plugin(s) if not already registered. + * @param {Array|Object} plugins plugin instance(s). + */ + register: function(plugins) { + var p = this._plugins; + ([]).concat(plugins).forEach(function(plugin) { + if (p.indexOf(plugin) === -1) { + p.push(plugin); + } + }); + + this._cacheId++; + }, + + /** + * Unregisters the given plugin(s) only if registered. + * @param {Array|Object} plugins plugin instance(s). + */ + unregister: function(plugins) { + var p = this._plugins; + ([]).concat(plugins).forEach(function(plugin) { + var idx = p.indexOf(plugin); + if (idx !== -1) { + p.splice(idx, 1); + } + }); + + this._cacheId++; + }, + + /** + * Remove all registered plugins. + * @since 2.1.5 + */ + clear: function() { + this._plugins = []; + this._cacheId++; + }, + + /** + * Returns the number of registered plugins? + * @returns {Number} + * @since 2.1.5 + */ + count: function() { + return this._plugins.length; + }, + + /** + * Returns all registered plugin instances. + * @returns {Array} array of plugin objects. + * @since 2.1.5 + */ + getAll: function() { + return this._plugins; + }, + + /** + * Calls enabled plugins for `chart` on the specified hook and with the given args. + * This method immediately returns as soon as a plugin explicitly returns false. The + * returned value can be used, for instance, to interrupt the current action. + * @param {Object} chart - The chart instance for which plugins should be called. + * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). + * @param {Array} [args] - Extra arguments to apply to the hook call. + * @returns {Boolean} false if any of the plugins return false, else returns true. + */ + notify: function(chart, hook, args) { + var descriptors = this.descriptors(chart); + var ilen = descriptors.length; + var i, descriptor, plugin, params, method; + + for (i=0; i<ilen; ++i) { + descriptor = descriptors[i]; + plugin = descriptor.plugin; + method = plugin[hook]; + if (typeof method === 'function') { + params = [chart].concat(args || []); + params.push(descriptor.options); + if (method.apply(plugin, params) === false) { + return false; + } + } + } + + return true; + }, + + /** + * Returns descriptors of enabled plugins for the given chart. + * @returns {Array} [{ plugin, options }] + * @private + */ + descriptors: function(chart) { + var cache = chart._plugins || (chart._plugins = {}); + if (cache.id === this._cacheId) { + return cache.descriptors; + } + + var plugins = []; + var descriptors = []; + var config = (chart && chart.config) || {}; + var defaults = Chart.defaults.global.plugins; + var options = (config.options && config.options.plugins) || {}; + + this._plugins.concat(config.plugins || []).forEach(function(plugin) { + var idx = plugins.indexOf(plugin); + if (idx !== -1) { + return; + } + + var id = plugin.id; + var opts = options[id]; + if (opts === false) { + return; + } + + if (opts === true) { + opts = helpers.clone(defaults[id]); + } + + plugins.push(plugin); + descriptors.push({ + plugin: plugin, + options: opts || {} + }); + }); + + cache.descriptors = descriptors; + cache.id = this._cacheId; + return descriptors; + } + }; + + /** + * Plugin extension hooks. + * @interface IPlugin + * @since 2.1.0 + */ + /** + * @method IPlugin#beforeInit + * @desc Called before initializing `chart`. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#afterInit + * @desc Called after `chart` has been initialized and before the first update. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeUpdate + * @desc Called before updating `chart`. If any plugin returns `false`, the update + * is cancelled (and thus subsequent render(s)) until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart update. + */ + /** + * @method IPlugin#afterUpdate + * @desc Called after `chart` has been updated and before rendering. Note that this + * hook will not be called if the chart update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeDatasetsUpdate + * @desc Called before updating the `chart` datasets. If any plugin returns `false`, + * the datasets update is cancelled until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} false to cancel the datasets update. + * @since version 2.1.5 + */ + /** + * @method IPlugin#afterDatasetsUpdate + * @desc Called after the `chart` datasets have been updated. Note that this hook + * will not be called if the datasets update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @since version 2.1.5 + */ + /** + * @method IPlugin#beforeLayout + * @desc Called before laying out `chart`. If any plugin returns `false`, + * the layout update is cancelled until another `update` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart layout. + */ + /** + * @method IPlugin#afterLayout + * @desc Called after the `chart` has been layed out. Note that this hook will not + * be called if the layout update has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeRender + * @desc Called before rendering `chart`. If any plugin returns `false`, + * the rendering is cancelled until another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart rendering. + */ + /** + * @method IPlugin#afterRender + * @desc Called after the `chart` has been fully rendered (and animation completed). Note + * that this hook will not be called if the rendering has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeDraw + * @desc Called before drawing `chart` at every animation frame specified by the given + * easing value. If any plugin returns `false`, the frame drawing is cancelled until + * another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart drawing. + */ + /** + * @method IPlugin#afterDraw + * @desc Called after the `chart` has been drawn for the specific easing value. Note + * that this hook will not be called if the drawing has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeDatasetsDraw + * @desc Called before drawing the `chart` datasets. If any plugin returns `false`, + * the datasets drawing is cancelled until another `render` is triggered. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + * @returns {Boolean} `false` to cancel the chart datasets drawing. + */ + /** + * @method IPlugin#afterDatasetsDraw + * @desc Called after the `chart` datasets have been drawn. Note that this hook + * will not be called if the datasets drawing has been previously cancelled. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#beforeEvent + * @desc Called before processing the specified `event`. If any plugin returns `false`, + * the event will be discarded. + * @param {Chart.Controller} chart - The chart instance. + * @param {IEvent} event - The event object. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#afterEvent + * @desc Called after the `event` has been consumed. Note that this hook + * will not be called if the `event` has been previously discarded. + * @param {Chart.Controller} chart - The chart instance. + * @param {IEvent} event - The event object. + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#resize + * @desc Called after the chart as been resized. + * @param {Chart.Controller} chart - The chart instance. + * @param {Number} size - The new canvas display size (eq. canvas.style width & height). + * @param {Object} options - The plugin options. + */ + /** + * @method IPlugin#destroy + * @desc Called after the chart as been destroyed. + * @param {Chart.Controller} chart - The chart instance. + * @param {Object} options - The plugin options. + */ + + /** + * Provided for backward compatibility, use Chart.plugins instead + * @namespace Chart.pluginService + * @deprecated since version 2.1.5 + * @todo remove at version 3 + * @private + */ + Chart.pluginService = Chart.plugins; + + /** + * Provided for backward compatibility, inheriting from Chart.PlugingBase has no + * effect, instead simply create/register plugins via plain JavaScript objects. + * @interface Chart.PluginBase + * @deprecated since version 2.5.0 + * @todo remove at version 3 + * @private + */ + Chart.PluginBase = helpers.inherits({}); +}; + +},{}],32:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.scale = { + display: true, + position: 'left', + + // grid line settings + gridLines: { + display: true, + color: 'rgba(0, 0, 0, 0.1)', + lineWidth: 1, + drawBorder: true, + drawOnChartArea: true, + drawTicks: true, + tickMarkLength: 10, + zeroLineWidth: 1, + zeroLineColor: 'rgba(0,0,0,0.25)', + offsetGridLines: false, + borderDash: [], + borderDashOffset: 0.0 + }, + + // scale label + scaleLabel: { + // actual label + labelString: '', + + // display property + display: false + }, + + // label settings + ticks: { + beginAtZero: false, + minRotation: 0, + maxRotation: 50, + mirror: false, + padding: 0, + reverse: false, + display: true, + autoSkip: true, + autoSkipPadding: 0, + labelOffset: 0, + // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. + callback: Chart.Ticks.formatters.values + } + }; + + function computeTextSize(context, tick, font) { + return helpers.isArray(tick) ? + helpers.longestText(context, font, tick) : + context.measureText(tick).width; + } + + function parseFontOptions(options) { + var getValueOrDefault = helpers.getValueOrDefault; + var globalDefaults = Chart.defaults.global; + var size = getValueOrDefault(options.fontSize, globalDefaults.defaultFontSize); + var style = getValueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle); + var family = getValueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily); + + return { + size: size, + style: style, + family: family, + font: helpers.fontString(size, style, family) + }; + } + + Chart.Scale = Chart.Element.extend({ + /** + * Get the padding needed for the scale + * @method getPadding + * @private + * @returns {Padding} the necessary padding + */ + getPadding: function() { + var me = this; + return { + left: me.paddingLeft || 0, + top: me.paddingTop || 0, + right: me.paddingRight || 0, + bottom: me.paddingBottom || 0 + }; + }, + + // These methods are ordered by lifecyle. Utilities then follow. + // Any function defined here is inherited by all scale types. + // Any function can be extended by the scale type + + beforeUpdate: function() { + helpers.callCallback(this.options.beforeUpdate, [this]); + }, + update: function(maxWidth, maxHeight, margins) { + var me = this; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = helpers.extend({ + left: 0, + right: 0, + top: 0, + bottom: 0 + }, margins); + me.longestTextCache = me.longestTextCache || {}; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + + // Data min/max + me.beforeDataLimits(); + me.determineDataLimits(); + me.afterDataLimits(); + + // Ticks + me.beforeBuildTicks(); + me.buildTicks(); + me.afterBuildTicks(); + + me.beforeTickToLabelConversion(); + me.convertTicksToLabels(); + me.afterTickToLabelConversion(); + + // Tick Rotation + me.beforeCalculateTickRotation(); + me.calculateTickRotation(); + me.afterCalculateTickRotation(); + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + + }, + afterUpdate: function() { + helpers.callCallback(this.options.afterUpdate, [this]); + }, + + // + + beforeSetDimensions: function() { + helpers.callCallback(this.options.beforeSetDimensions, [this]); + }, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + }, + afterSetDimensions: function() { + helpers.callCallback(this.options.afterSetDimensions, [this]); + }, + + // Data limits + beforeDataLimits: function() { + helpers.callCallback(this.options.beforeDataLimits, [this]); + }, + determineDataLimits: helpers.noop, + afterDataLimits: function() { + helpers.callCallback(this.options.afterDataLimits, [this]); + }, + + // + beforeBuildTicks: function() { + helpers.callCallback(this.options.beforeBuildTicks, [this]); + }, + buildTicks: helpers.noop, + afterBuildTicks: function() { + helpers.callCallback(this.options.afterBuildTicks, [this]); + }, + + beforeTickToLabelConversion: function() { + helpers.callCallback(this.options.beforeTickToLabelConversion, [this]); + }, + convertTicksToLabels: function() { + var me = this; + // Convert ticks to strings + var tickOpts = me.options.ticks; + me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback); + }, + afterTickToLabelConversion: function() { + helpers.callCallback(this.options.afterTickToLabelConversion, [this]); + }, + + // + + beforeCalculateTickRotation: function() { + helpers.callCallback(this.options.beforeCalculateTickRotation, [this]); + }, + calculateTickRotation: function() { + var me = this; + var context = me.ctx; + var tickOpts = me.options.ticks; + + // Get the width of each grid by calculating the difference + // between x offsets between 0 and 1. + var tickFont = parseFontOptions(tickOpts); + context.font = tickFont.font; + + var labelRotation = tickOpts.minRotation || 0; + + if (me.options.display && me.isHorizontal()) { + var originalLabelWidth = helpers.longestText(context, tickFont.font, me.ticks, me.longestTextCache); + var labelWidth = originalLabelWidth; + var cosRotation; + var sinRotation; + + // Allow 3 pixels x2 padding either side for label readability + var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; + + // Max label rotation can be set or default to 90 - also act as a loop counter + while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { + var angleRadians = helpers.toRadians(labelRotation); + cosRotation = Math.cos(angleRadians); + sinRotation = Math.sin(angleRadians); + + if (sinRotation * originalLabelWidth > me.maxHeight) { + // go back one step + labelRotation--; + break; + } + + labelRotation++; + labelWidth = cosRotation * originalLabelWidth; + } + } + + me.labelRotation = labelRotation; + }, + afterCalculateTickRotation: function() { + helpers.callCallback(this.options.afterCalculateTickRotation, [this]); + }, + + // + + beforeFit: function() { + helpers.callCallback(this.options.beforeFit, [this]); + }, + fit: function() { + var me = this; + // Reset + var minSize = me.minSize = { + width: 0, + height: 0 + }; + + var opts = me.options; + var tickOpts = opts.ticks; + var scaleLabelOpts = opts.scaleLabel; + var gridLineOpts = opts.gridLines; + var display = opts.display; + var isHorizontal = me.isHorizontal(); + + var tickFont = parseFontOptions(tickOpts); + var scaleLabelFontSize = parseFontOptions(scaleLabelOpts).size * 1.5; + var tickMarkLength = opts.gridLines.tickMarkLength; + + // Width + if (isHorizontal) { + // subtract the margins to line up with the chartArea if we are a full width scale + minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; + } else { + minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; + } + + // height + if (isHorizontal) { + minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; + } else { + minSize.height = me.maxHeight; // fill all the height + } + + // Are we showing a title for the scale? + if (scaleLabelOpts.display && display) { + if (isHorizontal) { + minSize.height += scaleLabelFontSize; + } else { + minSize.width += scaleLabelFontSize; + } + } + + // Don't bother fitting the ticks if we are not showing them + if (tickOpts.display && display) { + var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, me.ticks, me.longestTextCache); + var tallestLabelHeightInLines = helpers.numberOfLabelLines(me.ticks); + var lineSpace = tickFont.size * 0.5; + + if (isHorizontal) { + // A horizontal axis is more constrained by the height. + me.longestLabelWidth = largestTextWidth; + + var angleRadians = helpers.toRadians(me.labelRotation); + var cosRotation = Math.cos(angleRadians); + var sinRotation = Math.sin(angleRadians); + + // TODO - improve this calculation + var labelHeight = (sinRotation * largestTextWidth) + + (tickFont.size * tallestLabelHeightInLines) + + (lineSpace * tallestLabelHeightInLines); + + minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight); + me.ctx.font = tickFont.font; + + var firstTick = me.ticks[0]; + var firstLabelWidth = computeTextSize(me.ctx, firstTick, tickFont.font); + + var lastTick = me.ticks[me.ticks.length - 1]; + var lastLabelWidth = computeTextSize(me.ctx, lastTick, tickFont.font); + + // 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 + if (me.labelRotation !== 0) { + me.paddingLeft = opts.position === 'bottom'? (cosRotation * firstLabelWidth) + 3: (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges + me.paddingRight = opts.position === 'bottom'? (cosRotation * lineSpace) + 3: (cosRotation * lastLabelWidth) + 3; + } else { + me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges + me.paddingRight = lastLabelWidth / 2 + 3; + } + } else { + // A vertical axis is more constrained by the width. Labels are the dominant factor here, so get that length first + // Account for padding + + if (tickOpts.mirror) { + largestTextWidth = 0; + } else { + largestTextWidth += me.options.ticks.padding; + } + minSize.width += largestTextWidth; + me.paddingTop = tickFont.size / 2; + me.paddingBottom = tickFont.size / 2; + } + } + + me.handleMargins(); + + me.width = minSize.width; + me.height = minSize.height; + }, + + /** + * Handle margins and padding interactions + * @private + */ + handleMargins: function() { + var me = this; + if (me.margins) { + me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); + me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); + me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); + me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); + } + }, + + afterFit: function() { + helpers.callCallback(this.options.afterFit, [this]); + }, + + // Shared Methods + isHorizontal: function() { + return this.options.position === 'top' || this.options.position === 'bottom'; + }, + isFullWidth: function() { + return (this.options.fullWidth); + }, + + // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not + getRightValue: function(rawValue) { + // Null and undefined values first + if (rawValue === null || typeof(rawValue) === 'undefined') { + return NaN; + } + // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values + if (typeof(rawValue) === 'number' && !isFinite(rawValue)) { + return NaN; + } + // If it is in fact an object, dive in one more level + if (typeof(rawValue) === 'object') { + if ((rawValue instanceof Date) || (rawValue.isValid)) { + return rawValue; + } + return this.getRightValue(this.isHorizontal() ? rawValue.x : rawValue.y); + } + + // Value is good, return it + return rawValue; + }, + + // Used to get the value to display in the tooltip for the data at the given index + // function getLabelForIndex(index, datasetIndex) + getLabelForIndex: helpers.noop, + + // Used to get data value locations. Value can either be an index or a numerical value + getPixelForValue: helpers.noop, + + // Used to get the data value from a given pixel. This is the inverse of getPixelForValue + getValueForPixel: helpers.noop, + + // Used for tick location, should + getPixelForTick: function(index, includeOffset) { + var me = this; + if (me.isHorizontal()) { + var innerWidth = me.width - (me.paddingLeft + me.paddingRight); + var tickWidth = innerWidth / Math.max((me.ticks.length - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); + var pixel = (tickWidth * index) + me.paddingLeft; + + if (includeOffset) { + pixel += tickWidth / 2; + } + + var finalVal = me.left + Math.round(pixel); + finalVal += me.isFullWidth() ? me.margins.left : 0; + return finalVal; + } + var innerHeight = me.height - (me.paddingTop + me.paddingBottom); + return me.top + (index * (innerHeight / (me.ticks.length - 1))); + }, + + // Utility for getting the pixel location of a percentage of scale + getPixelForDecimal: function(decimal /* , includeOffset*/) { + var me = this; + if (me.isHorizontal()) { + var innerWidth = me.width - (me.paddingLeft + me.paddingRight); + var valueOffset = (innerWidth * decimal) + me.paddingLeft; + + var finalVal = me.left + Math.round(valueOffset); + finalVal += me.isFullWidth() ? me.margins.left : 0; + return finalVal; + } + return me.top + (decimal * me.height); + }, + + getBasePixel: function() { + return this.getPixelForValue(this.getBaseValue()); + }, + + getBaseValue: function() { + var me = this; + var min = me.min; + var max = me.max; + + return me.beginAtZero ? 0: + min < 0 && max < 0? max : + min > 0 && max > 0? min : + 0; + }, + + // Actually draw the scale on the canvas + // @param {rectangle} chartArea : the area of the chart to draw full grid lines on + draw: function(chartArea) { + var me = this; + var options = me.options; + if (!options.display) { + return; + } + + var context = me.ctx; + var globalDefaults = Chart.defaults.global; + var optionTicks = options.ticks; + var gridLines = options.gridLines; + var scaleLabel = options.scaleLabel; + + var isRotated = me.labelRotation !== 0; + var skipRatio; + var useAutoskipper = optionTicks.autoSkip; + var isHorizontal = me.isHorizontal(); + + // figure out the maximum number of gridlines to show + var maxTicks; + if (optionTicks.maxTicksLimit) { + maxTicks = optionTicks.maxTicksLimit; + } + + var tickFontColor = helpers.getValueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor); + var tickFont = parseFontOptions(optionTicks); + + var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; + var borderDash = helpers.getValueOrDefault(gridLines.borderDash, globalDefaults.borderDash); + var borderDashOffset = helpers.getValueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset); + + var scaleLabelFontColor = helpers.getValueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor); + var scaleLabelFont = parseFontOptions(scaleLabel); + + var labelRotationRadians = helpers.toRadians(me.labelRotation); + var cosRotation = Math.cos(labelRotationRadians); + var longestRotatedLabel = me.longestLabelWidth * cosRotation; + + // Make sure we draw text in the correct color and font + context.fillStyle = tickFontColor; + + var itemsToDraw = []; + + if (isHorizontal) { + skipRatio = false; + + // Only calculate the skip ratio with the half width of longestRotateLabel if we got an actual rotation + // See #2584 + if (isRotated) { + longestRotatedLabel /= 2; + } + + if ((longestRotatedLabel + optionTicks.autoSkipPadding) * me.ticks.length > (me.width - (me.paddingLeft + me.paddingRight))) { + skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * me.ticks.length) / (me.width - (me.paddingLeft + me.paddingRight))); + } + + // if they defined a max number of optionTicks, + // increase skipRatio until that number is met + if (maxTicks && me.ticks.length > maxTicks) { + while (!skipRatio || me.ticks.length / (skipRatio || 1) > maxTicks) { + if (!skipRatio) { + skipRatio = 1; + } + skipRatio += 1; + } + } + + if (!useAutoskipper) { + skipRatio = false; + } + } + + + var xTickStart = options.position === 'right' ? me.left : me.right - tl; + var xTickEnd = options.position === 'right' ? me.left + tl : me.right; + var yTickStart = options.position === 'bottom' ? me.top : me.bottom - tl; + var yTickEnd = options.position === 'bottom' ? me.top + tl : me.bottom; + + helpers.each(me.ticks, function(label, index) { + // If the callback returned a null or undefined value, do not draw this line + if (label === undefined || label === null) { + return; + } + + var isLastTick = me.ticks.length === index + 1; + + // Since we always show the last tick,we need may need to hide the last shown one before + var shouldSkip = (skipRatio > 1 && index % skipRatio > 0) || (index % skipRatio === 0 && index + skipRatio >= me.ticks.length); + if (shouldSkip && !isLastTick || (label === undefined || label === null)) { + return; + } + + var lineWidth, lineColor; + if (index === (typeof me.zeroLineIndex !== 'undefined' ? me.zeroLineIndex : 0)) { + // Draw the first index specially + lineWidth = gridLines.zeroLineWidth; + lineColor = gridLines.zeroLineColor; + } else { + lineWidth = helpers.getValueAtIndexOrDefault(gridLines.lineWidth, index); + lineColor = helpers.getValueAtIndexOrDefault(gridLines.color, index); + } + + // Common properties + var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY; + var textAlign = 'middle'; + var textBaseline = 'middle'; + + if (isHorizontal) { + + if (options.position === 'bottom') { + // bottom + textBaseline = !isRotated? 'top':'middle'; + textAlign = !isRotated? 'center': 'right'; + labelY = me.top + tl; + } else { + // top + textBaseline = !isRotated? 'bottom':'middle'; + textAlign = !isRotated? 'center': 'left'; + labelY = me.bottom - tl; + } + + var xLineValue = me.getPixelForTick(index) + helpers.aliasPixel(lineWidth); // xvalues for grid lines + labelX = me.getPixelForTick(index, gridLines.offsetGridLines) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option) + + tx1 = tx2 = x1 = x2 = xLineValue; + ty1 = yTickStart; + ty2 = yTickEnd; + y1 = chartArea.top; + y2 = chartArea.bottom; + } else { + var isLeft = options.position === 'left'; + var tickPadding = optionTicks.padding; + var labelXOffset; + + if (optionTicks.mirror) { + textAlign = isLeft ? 'left' : 'right'; + labelXOffset = tickPadding; + } else { + textAlign = isLeft ? 'right' : 'left'; + labelXOffset = tl + tickPadding; + } + + labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset; + + var yLineValue = me.getPixelForTick(index); // xvalues for grid lines + yLineValue += helpers.aliasPixel(lineWidth); + labelY = me.getPixelForTick(index, gridLines.offsetGridLines); + + tx1 = xTickStart; + tx2 = xTickEnd; + x1 = chartArea.left; + x2 = chartArea.right; + ty1 = ty2 = y1 = y2 = yLineValue; + } + + itemsToDraw.push({ + tx1: tx1, + ty1: ty1, + tx2: tx2, + ty2: ty2, + x1: x1, + y1: y1, + x2: x2, + y2: y2, + labelX: labelX, + labelY: labelY, + glWidth: lineWidth, + glColor: lineColor, + glBorderDash: borderDash, + glBorderDashOffset: borderDashOffset, + rotation: -1 * labelRotationRadians, + label: label, + textBaseline: textBaseline, + textAlign: textAlign + }); + }); + + // Draw all of the tick labels, tick marks, and grid lines at the correct places + helpers.each(itemsToDraw, function(itemToDraw) { + if (gridLines.display) { + context.save(); + context.lineWidth = itemToDraw.glWidth; + context.strokeStyle = itemToDraw.glColor; + if (context.setLineDash) { + context.setLineDash(itemToDraw.glBorderDash); + context.lineDashOffset = itemToDraw.glBorderDashOffset; + } + + context.beginPath(); + + if (gridLines.drawTicks) { + context.moveTo(itemToDraw.tx1, itemToDraw.ty1); + context.lineTo(itemToDraw.tx2, itemToDraw.ty2); + } + + if (gridLines.drawOnChartArea) { + context.moveTo(itemToDraw.x1, itemToDraw.y1); + context.lineTo(itemToDraw.x2, itemToDraw.y2); + } + + context.stroke(); + context.restore(); + } + + if (optionTicks.display) { + context.save(); + context.translate(itemToDraw.labelX, itemToDraw.labelY); + context.rotate(itemToDraw.rotation); + context.font = tickFont.font; + context.textBaseline = itemToDraw.textBaseline; + context.textAlign = itemToDraw.textAlign; + + var label = itemToDraw.label; + if (helpers.isArray(label)) { + for (var i = 0, y = 0; i < label.length; ++i) { + // We just make sure the multiline element is a string here.. + context.fillText('' + label[i], 0, y); + // apply same lineSpacing as calculated @ L#320 + y += (tickFont.size * 1.5); + } + } else { + context.fillText(label, 0, 0); + } + context.restore(); + } + }); + + if (scaleLabel.display) { + // Draw the scale label + var scaleLabelX; + var scaleLabelY; + var rotation = 0; + + if (isHorizontal) { + scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width + scaleLabelY = options.position === 'bottom' ? me.bottom - (scaleLabelFont.size / 2) : me.top + (scaleLabelFont.size / 2); + } else { + var isLeft = options.position === 'left'; + scaleLabelX = isLeft ? me.left + (scaleLabelFont.size / 2) : me.right - (scaleLabelFont.size / 2); + scaleLabelY = me.top + ((me.bottom - me.top) / 2); + rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; + } + + context.save(); + context.translate(scaleLabelX, scaleLabelY); + context.rotate(rotation); + context.textAlign = 'center'; + context.textBaseline = 'middle'; + context.fillStyle = scaleLabelFontColor; // render in correct colour + context.font = scaleLabelFont.font; + context.fillText(scaleLabel.labelString, 0, 0); + context.restore(); + } + + if (gridLines.drawBorder) { + // Draw the line at the edge of the axis + context.lineWidth = helpers.getValueAtIndexOrDefault(gridLines.lineWidth, 0); + context.strokeStyle = helpers.getValueAtIndexOrDefault(gridLines.color, 0); + var x1 = me.left, + x2 = me.right, + y1 = me.top, + y2 = me.bottom; + + var aliasPixel = helpers.aliasPixel(context.lineWidth); + if (isHorizontal) { + y1 = y2 = options.position === 'top' ? me.bottom : me.top; + y1 += aliasPixel; + y2 += aliasPixel; + } else { + x1 = x2 = options.position === 'left' ? me.right : me.left; + x1 += aliasPixel; + x2 += aliasPixel; + } + + context.beginPath(); + context.moveTo(x1, y1); + context.lineTo(x2, y2); + context.stroke(); + } + } + }); +}; + +},{}],33:[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); + }); + } + }; +}; + +},{}],34:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + /** + * Namespace to hold static tick generation functions + * @namespace Chart.Ticks + */ + Chart.Ticks = { + /** + * Namespace to hold generators for different types of ticks + * @namespace Chart.Ticks.generators + */ + generators: { + /** + * Interface for the options provided to the numeric tick generator + * @interface INumericTickGenerationOptions + */ + /** + * The maximum number of ticks to display + * @name INumericTickGenerationOptions#maxTicks + * @type Number + */ + /** + * The distance between each tick. + * @name INumericTickGenerationOptions#stepSize + * @type Number + * @optional + */ + /** + * Forced minimum for the ticks. If not specified, the minimum of the data range is used to calculate the tick minimum + * @name INumericTickGenerationOptions#min + * @type Number + * @optional + */ + /** + * The maximum value of the ticks. If not specified, the maximum of the data range is used to calculate the tick maximum + * @name INumericTickGenerationOptions#max + * @type Number + * @optional + */ + + /** + * Generate a set of linear ticks + * @method Chart.Ticks.generators.linear + * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks + * @param dataRange {IRange} the range of the data + * @returns {Array<Number>} array of tick values + */ + linear: function(generationOptions, dataRange) { + var 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 spacing; + if (generationOptions.stepSize && generationOptions.stepSize > 0) { + spacing = generationOptions.stepSize; + } else { + var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false); + spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true); + } + var niceMin = Math.floor(dataRange.min / spacing) * spacing; + var niceMax = Math.ceil(dataRange.max / spacing) * spacing; + + // If min, max and stepSize is set and they make an evenly spaced scale use it. + if (generationOptions.min && generationOptions.max && generationOptions.stepSize) { + // If very close to our whole number, use it. + if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) { + niceMin = generationOptions.min; + niceMax = generationOptions.max; + } + } + + 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(generationOptions.min !== undefined ? generationOptions.min : niceMin); + for (var j = 1; j < numSpaces; ++j) { + ticks.push(niceMin + (j * spacing)); + } + ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax); + + return ticks; + }, + + /** + * Generate a set of logarithmic ticks + * @method Chart.Ticks.generators.logarithmic + * @param generationOptions {INumericTickGenerationOptions} the options used to generate the ticks + * @param dataRange {IRange} the range of the data + * @returns {Array<Number>} array of tick values + */ + logarithmic: function(generationOptions, dataRange) { + var ticks = []; + var getValueOrDefault = helpers.getValueOrDefault; + + // Figure out what the max number of ticks we can support it is based on the size of + // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 + // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on + // the graph + var tickVal = getValueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min)))); + + var endExp = Math.floor(helpers.log10(dataRange.max)); + var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); + var exp; + var significand; + + if (tickVal === 0) { + exp = Math.floor(helpers.log10(dataRange.minNotZero)); + significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); + + ticks.push(tickVal); + tickVal = significand * Math.pow(10, exp); + } else { + exp = Math.floor(helpers.log10(tickVal)); + significand = Math.floor(tickVal / Math.pow(10, exp)); + } + + do { + ticks.push(tickVal); + + ++significand; + if (significand === 10) { + significand = 1; + ++exp; + } + + tickVal = significand * Math.pow(10, exp); + } while (exp < endExp || (exp === endExp && significand < endSignificand)); + + var lastTick = getValueOrDefault(generationOptions.max, tickVal); + ticks.push(lastTick); + + return ticks; + } + }, + + /** + * Namespace to hold formatters for different types of ticks + * @namespace Chart.Ticks.formatters + */ + formatters: { + /** + * Formatter for value labels + * @method Chart.Ticks.formatters.values + * @param value the value to display + * @return {String|Array} the label to display + */ + values: function(value) { + return helpers.isArray(value) ? value : '' + value; + }, + + /** + * Formatter for linear numeric ticks + * @method Chart.Ticks.formatters.linear + * @param tickValue {Number} the value to be formatted + * @param index {Number} the position of the tickValue parameter in the ticks array + * @param ticks {Array<Number>} the list of ticks being converted + * @return {String} string representation of the tickValue parameter + */ + linear: 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; + }, + + logarithmic: function(tickValue, index, ticks) { + var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue)))); + + if (tickValue === 0) { + return '0'; + } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { + return tickValue.toExponential(); + } + return ''; + } + } + }; +}; + +},{}],35:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + Chart.defaults.global.title = { + display: false, + position: 'top', + fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes) + + fontStyle: 'bold', + padding: 10, + + // actual title + text: '' + }; + + var noop = helpers.noop; + Chart.Title = Chart.Element.extend({ + + initialize: function(config) { + var me = this; + helpers.extend(me, config); + + // Contains hit boxes for each dataset (in dataset order) + me.legendHitBoxes = []; + }, + + // These methods are ordered by lifecycle. Utilities then follow. + + beforeUpdate: noop, + update: function(maxWidth, maxHeight, margins) { + var me = this; + + // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) + me.beforeUpdate(); + + // Absorb the master measurements + me.maxWidth = maxWidth; + me.maxHeight = maxHeight; + me.margins = margins; + + // Dimensions + me.beforeSetDimensions(); + me.setDimensions(); + me.afterSetDimensions(); + // Labels + me.beforeBuildLabels(); + me.buildLabels(); + me.afterBuildLabels(); + + // Fit + me.beforeFit(); + me.fit(); + me.afterFit(); + // + me.afterUpdate(); + + return me.minSize; + + }, + afterUpdate: noop, + + // + + beforeSetDimensions: noop, + setDimensions: function() { + var me = this; + // Set the unconstrained dimension before label rotation + if (me.isHorizontal()) { + // Reset position before calculating rotation + me.width = me.maxWidth; + me.left = 0; + me.right = me.width; + } else { + me.height = me.maxHeight; + + // Reset position before calculating rotation + me.top = 0; + me.bottom = me.height; + } + + // Reset padding + me.paddingLeft = 0; + me.paddingTop = 0; + me.paddingRight = 0; + me.paddingBottom = 0; + + // Reset minSize + me.minSize = { + width: 0, + height: 0 + }; + }, + afterSetDimensions: noop, + + // + + beforeBuildLabels: noop, + buildLabels: noop, + afterBuildLabels: noop, + + // + + beforeFit: noop, + fit: function() { + var me = this, + valueOrDefault = helpers.getValueOrDefault, + opts = me.options, + globalDefaults = Chart.defaults.global, + display = opts.display, + fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize), + minSize = me.minSize; + + if (me.isHorizontal()) { + minSize.width = me.maxWidth; // fill all the width + minSize.height = display ? fontSize + (opts.padding * 2) : 0; + } else { + minSize.width = display ? fontSize + (opts.padding * 2) : 0; + minSize.height = me.maxHeight; // fill all the height + } + + me.width = minSize.width; + me.height = minSize.height; + + }, + afterFit: noop, + + // Shared Methods + isHorizontal: function() { + var pos = this.options.position; + return pos === 'top' || pos === 'bottom'; + }, + + // Actually draw the title block on the canvas + draw: function() { + var me = this, + ctx = me.ctx, + valueOrDefault = helpers.getValueOrDefault, + opts = me.options, + globalDefaults = Chart.defaults.global; + + if (opts.display) { + var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize), + fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle), + fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily), + titleFont = helpers.fontString(fontSize, fontStyle, fontFamily), + rotation = 0, + titleX, + titleY, + top = me.top, + left = me.left, + bottom = me.bottom, + right = me.right, + maxWidth; + + ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour + ctx.font = titleFont; + + // Horizontal + if (me.isHorizontal()) { + titleX = left + ((right - left) / 2); // midpoint of the width + titleY = top + ((bottom - top) / 2); // midpoint of the height + maxWidth = right - left; + } else { + titleX = opts.position === 'left' ? left + (fontSize / 2) : right - (fontSize / 2); + titleY = top + ((bottom - top) / 2); + maxWidth = bottom - top; + 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, maxWidth); + ctx.restore(); + } + } + }); + + function createNewTitleBlockAndAttach(chartInstance, titleOpts) { + var title = new Chart.Title({ + ctx: chartInstance.chart.ctx, + options: titleOpts, + chart: chartInstance + }); + chartInstance.titleBlock = title; + Chart.layoutService.addBox(chartInstance, title); + } + + // Register the title plugin + Chart.plugins.register({ + beforeInit: function(chartInstance) { + var titleOpts = chartInstance.options.title; + + if (titleOpts) { + createNewTitleBlockAndAttach(chartInstance, titleOpts); + } + }, + beforeUpdate: function(chartInstance) { + var titleOpts = chartInstance.options.title; + + if (titleOpts) { + titleOpts = helpers.configMerge(Chart.defaults.global.title, titleOpts); + + if (chartInstance.titleBlock) { + chartInstance.titleBlock.options = titleOpts; + } else { + createNewTitleBlockAndAttach(chartInstance, titleOpts); + } + } else { + Chart.layoutService.removeBox(chartInstance, chartInstance.titleBlock); + delete chartInstance.titleBlock; + } + } + }); +}; + +},{}],36:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + /** + * Helper method to merge the opacity into a color + */ + function mergeOpacity(colorString, opacity) { + var color = helpers.color(colorString); + return color.alpha(opacity * color.alpha()).rgbaString(); + } + + Chart.defaults.global.tooltips = { + enabled: true, + custom: null, + mode: 'nearest', + position: 'average', + intersect: true, + backgroundColor: 'rgba(0,0,0,0.8)', + titleFontStyle: 'bold', + titleSpacing: 2, + titleMarginBottom: 6, + titleFontColor: '#fff', + titleAlign: 'left', + bodySpacing: 2, + bodyFontColor: '#fff', + bodyAlign: 'left', + footerFontStyle: 'bold', + footerSpacing: 2, + footerMarginTop: 6, + footerFontColor: '#fff', + footerAlign: 'left', + yPadding: 6, + xPadding: 6, + caretSize: 5, + cornerRadius: 6, + multiKeyBackground: '#fff', + displayColors: true, + callbacks: { + // Args are: (tooltipItems, data) + beforeTitle: helpers.noop, + title: function(tooltipItems, data) { + // Pick first xLabel for now + var title = ''; + var labels = data.labels; + var labelCount = labels ? labels.length : 0; + + if (tooltipItems.length > 0) { + var item = tooltipItems[0]; + + if (item.xLabel) { + title = item.xLabel; + } else if (labelCount > 0 && item.index < labelCount) { + title = labels[item.index]; + } + } + + return title; + }, + afterTitle: helpers.noop, + + // Args are: (tooltipItems, data) + beforeBody: helpers.noop, + + // Args are: (tooltipItem, data) + beforeLabel: helpers.noop, + label: function(tooltipItem, data) { + var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || ''; + return datasetLabel + ': ' + tooltipItem.yLabel; + }, + labelColor: function(tooltipItem, chartInstance) { + var meta = chartInstance.getDatasetMeta(tooltipItem.datasetIndex); + var activeElement = meta.data[tooltipItem.index]; + var view = activeElement._view; + return { + borderColor: view.borderColor, + backgroundColor: view.backgroundColor + }; + }, + afterLabel: helpers.noop, + + // Args are: (tooltipItems, data) + afterBody: helpers.noop, + + // Args are: (tooltipItems, data) + beforeFooter: helpers.noop, + footer: helpers.noop, + afterFooter: helpers.noop + } + }; + + // Helper to push or concat based on if the 2nd parameter is an array or not + function pushOrConcat(base, toPush) { + if (toPush) { + if (helpers.isArray(toPush)) { + // base = base.concat(toPush); + Array.prototype.push.apply(base, toPush); + } else { + base.push(toPush); + } + } + + return base; + } + + // Private helper to create a tooltip item model + // @param element : the chart element (point, arc, bar) to create the tooltip item for + // @return : new tooltip item + function createTooltipItem(element) { + var xScale = element._xScale; + var yScale = element._yScale || element._scale; // handle radar || polarArea charts + var index = element._index, + datasetIndex = element._datasetIndex; + + return { + xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', + yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', + index: index, + datasetIndex: datasetIndex, + x: element._model.x, + y: element._model.y + }; + } + + /** + * Helper to get the reset model for the tooltip + * @param tooltipOpts {Object} the tooltip options + */ + function getBaseModel(tooltipOpts) { + var globalDefaults = Chart.defaults.global; + var getValueOrDefault = helpers.getValueOrDefault; + + return { + // Positioning + xPadding: tooltipOpts.xPadding, + yPadding: tooltipOpts.yPadding, + xAlign: tooltipOpts.xAlign, + yAlign: tooltipOpts.yAlign, + + // Body + bodyFontColor: tooltipOpts.bodyFontColor, + _bodyFontFamily: getValueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), + _bodyFontStyle: getValueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), + _bodyAlign: tooltipOpts.bodyAlign, + bodyFontSize: getValueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), + bodySpacing: tooltipOpts.bodySpacing, + + // Title + titleFontColor: tooltipOpts.titleFontColor, + _titleFontFamily: getValueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), + _titleFontStyle: getValueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), + titleFontSize: getValueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), + _titleAlign: tooltipOpts.titleAlign, + titleSpacing: tooltipOpts.titleSpacing, + titleMarginBottom: tooltipOpts.titleMarginBottom, + + // Footer + footerFontColor: tooltipOpts.footerFontColor, + _footerFontFamily: getValueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), + _footerFontStyle: getValueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), + footerFontSize: getValueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), + _footerAlign: tooltipOpts.footerAlign, + footerSpacing: tooltipOpts.footerSpacing, + footerMarginTop: tooltipOpts.footerMarginTop, + + // Appearance + caretSize: tooltipOpts.caretSize, + cornerRadius: tooltipOpts.cornerRadius, + backgroundColor: tooltipOpts.backgroundColor, + opacity: 0, + legendColorBackground: tooltipOpts.multiKeyBackground, + displayColors: tooltipOpts.displayColors + }; + } + + /** + * Get the size of the tooltip + */ + function getTooltipSize(tooltip, model) { + var ctx = tooltip._chart.ctx; + + var height = model.yPadding * 2; // Tooltip Padding + var width = 0; + + // Count of all lines in the body + var body = model.body; + var combinedBodyLength = body.reduce(function(count, bodyItem) { + return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; + }, 0); + combinedBodyLength += model.beforeBody.length + model.afterBody.length; + + var titleLineCount = model.title.length; + var footerLineCount = model.footer.length; + var titleFontSize = model.titleFontSize, + bodyFontSize = model.bodyFontSize, + footerFontSize = model.footerFontSize; + + height += titleLineCount * titleFontSize; // Title Lines + height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing + height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin + height += combinedBodyLength * bodyFontSize; // Body Lines + height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing + height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin + height += footerLineCount * (footerFontSize); // Footer Lines + height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing + + // Title width + var widthPadding = 0; + var maxLineWidth = function(line) { + width = Math.max(width, ctx.measureText(line).width + widthPadding); + }; + + ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); + helpers.each(model.title, maxLineWidth); + + // Body width + ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); + helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth); + + // Body lines may include some extra width due to the color box + widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; + helpers.each(body, function(bodyItem) { + helpers.each(bodyItem.before, maxLineWidth); + helpers.each(bodyItem.lines, maxLineWidth); + helpers.each(bodyItem.after, maxLineWidth); + }); + + // Reset back to 0 + widthPadding = 0; + + // Footer width + ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); + helpers.each(model.footer, maxLineWidth); + + // Add padding + width += 2 * model.xPadding; + + return { + width: width, + height: height + }; + } + + /** + * Helper to get the alignment of a tooltip given the size + */ + function determineAlignment(tooltip, size) { + var model = tooltip._model; + var chart = tooltip._chart; + var chartArea = tooltip._chartInstance.chartArea; + var xAlign = 'center'; + var yAlign = 'center'; + + if (model.y < size.height) { + yAlign = 'top'; + } else if (model.y > (chart.height - size.height)) { + yAlign = 'bottom'; + } + + var lf, rf; // functions to determine left, right alignment + var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart + var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges + var midX = (chartArea.left + chartArea.right) / 2; + var midY = (chartArea.top + chartArea.bottom) / 2; + + if (yAlign === 'center') { + lf = function(x) { + return x <= midX; + }; + rf = function(x) { + return x > midX; + }; + } else { + lf = function(x) { + return x <= (size.width / 2); + }; + rf = function(x) { + return x >= (chart.width - (size.width / 2)); + }; + } + + olf = function(x) { + return x + size.width > chart.width; + }; + orf = function(x) { + return x - size.width < 0; + }; + yf = function(y) { + return y <= midY ? 'top' : 'bottom'; + }; + + if (lf(model.x)) { + xAlign = 'left'; + + // Is tooltip too wide and goes over the right side of the chart.? + if (olf(model.x)) { + xAlign = 'center'; + yAlign = yf(model.y); + } + } else if (rf(model.x)) { + xAlign = 'right'; + + // Is tooltip too wide and goes outside left edge of canvas? + if (orf(model.x)) { + xAlign = 'center'; + yAlign = yf(model.y); + } + } + + var opts = tooltip._options; + return { + xAlign: opts.xAlign ? opts.xAlign : xAlign, + yAlign: opts.yAlign ? opts.yAlign : yAlign + }; + } + + /** + * @Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment + */ + function getBackgroundPoint(vm, size, alignment) { + // Background Position + var x = vm.x; + var y = vm.y; + + var caretSize = vm.caretSize, + caretPadding = vm.caretPadding, + cornerRadius = vm.cornerRadius, + xAlign = alignment.xAlign, + yAlign = alignment.yAlign, + paddingAndSize = caretSize + caretPadding, + radiusAndPadding = cornerRadius + caretPadding; + + if (xAlign === 'right') { + x -= size.width; + } else if (xAlign === 'center') { + x -= (size.width / 2); + } + + if (yAlign === 'top') { + y += paddingAndSize; + } else if (yAlign === 'bottom') { + y -= size.height + paddingAndSize; + } else { + y -= (size.height / 2); + } + + if (yAlign === 'center') { + if (xAlign === 'left') { + x += paddingAndSize; + } else if (xAlign === 'right') { + x -= paddingAndSize; + } + } else if (xAlign === 'left') { + x -= radiusAndPadding; + } else if (xAlign === 'right') { + x += radiusAndPadding; + } + + return { + x: x, + y: y + }; + } + + Chart.Tooltip = Chart.Element.extend({ + initialize: function() { + this._model = getBaseModel(this._options); + }, + + // Get the title + // Args are: (tooltipItem, data) + getTitle: function() { + var me = this; + var opts = me._options; + var callbacks = opts.callbacks; + + var beforeTitle = callbacks.beforeTitle.apply(me, arguments), + title = callbacks.title.apply(me, arguments), + afterTitle = callbacks.afterTitle.apply(me, arguments); + + var lines = []; + lines = pushOrConcat(lines, beforeTitle); + lines = pushOrConcat(lines, title); + lines = pushOrConcat(lines, afterTitle); + + return lines; + }, + + // Args are: (tooltipItem, data) + getBeforeBody: function() { + var lines = this._options.callbacks.beforeBody.apply(this, arguments); + return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; + }, + + // Args are: (tooltipItem, data) + getBody: function(tooltipItems, data) { + var me = this; + var callbacks = me._options.callbacks; + var bodyItems = []; + + helpers.each(tooltipItems, function(tooltipItem) { + var bodyItem = { + before: [], + lines: [], + after: [] + }; + pushOrConcat(bodyItem.before, callbacks.beforeLabel.call(me, tooltipItem, data)); + pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); + pushOrConcat(bodyItem.after, callbacks.afterLabel.call(me, tooltipItem, data)); + + bodyItems.push(bodyItem); + }); + + return bodyItems; + }, + + // Args are: (tooltipItem, data) + getAfterBody: function() { + var lines = this._options.callbacks.afterBody.apply(this, arguments); + return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : []; + }, + + // Get the footer and beforeFooter and afterFooter lines + // Args are: (tooltipItem, data) + getFooter: function() { + var me = this; + var callbacks = me._options.callbacks; + + var beforeFooter = callbacks.beforeFooter.apply(me, arguments); + var footer = callbacks.footer.apply(me, arguments); + var afterFooter = callbacks.afterFooter.apply(me, arguments); + + var lines = []; + lines = pushOrConcat(lines, beforeFooter); + lines = pushOrConcat(lines, footer); + lines = pushOrConcat(lines, afterFooter); + + return lines; + }, + + update: function(changed) { + var me = this; + var opts = me._options; + + // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition + // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time + // which breaks any animations. + var existingModel = me._model; + var model = me._model = getBaseModel(opts); + var active = me._active; + + var data = me._data; + var chartInstance = me._chartInstance; + + // In the case where active.length === 0 we need to keep these at existing values for good animations + var alignment = { + xAlign: existingModel.xAlign, + yAlign: existingModel.yAlign + }; + var backgroundPoint = { + x: existingModel.x, + y: existingModel.y + }; + var tooltipSize = { + width: existingModel.width, + height: existingModel.height + }; + var tooltipPosition = { + x: existingModel.caretX, + y: existingModel.caretY + }; + + var i, len; + + if (active.length) { + model.opacity = 1; + + var labelColors = []; + tooltipPosition = Chart.Tooltip.positioners[opts.position](active, me._eventPosition); + + var tooltipItems = []; + for (i = 0, len = active.length; i < len; ++i) { + tooltipItems.push(createTooltipItem(active[i])); + } + + // If the user provided a filter function, use it to modify the tooltip items + if (opts.filter) { + tooltipItems = tooltipItems.filter(function(a) { + return opts.filter(a, data); + }); + } + + // If the user provided a sorting function, use it to modify the tooltip items + if (opts.itemSort) { + tooltipItems = tooltipItems.sort(function(a, b) { + return opts.itemSort(a, b, data); + }); + } + + // Determine colors for boxes + helpers.each(tooltipItems, function(tooltipItem) { + labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, chartInstance)); + }); + + // Build the Text Lines + model.title = me.getTitle(tooltipItems, data); + model.beforeBody = me.getBeforeBody(tooltipItems, data); + model.body = me.getBody(tooltipItems, data); + model.afterBody = me.getAfterBody(tooltipItems, data); + model.footer = me.getFooter(tooltipItems, data); + + // Initial positioning and colors + model.x = Math.round(tooltipPosition.x); + model.y = Math.round(tooltipPosition.y); + model.caretPadding = helpers.getValueOrDefault(tooltipPosition.padding, 2); + model.labelColors = labelColors; + + // data points + model.dataPoints = tooltipItems; + + // We need to determine alignment of the tooltip + tooltipSize = getTooltipSize(this, model); + alignment = determineAlignment(this, tooltipSize); + // Final Size and Position + backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment); + } else { + model.opacity = 0; + } + + model.xAlign = alignment.xAlign; + model.yAlign = alignment.yAlign; + model.x = backgroundPoint.x; + model.y = backgroundPoint.y; + model.width = tooltipSize.width; + model.height = tooltipSize.height; + + // Point where the caret on the tooltip points to + model.caretX = tooltipPosition.x; + model.caretY = tooltipPosition.y; + + me._model = model; + + if (changed && opts.custom) { + opts.custom.call(me, model); + } + + return me; + }, + drawCaret: function(tooltipPoint, size, opacity) { + var vm = this._view; + var ctx = this._chart.ctx; + var x1, x2, x3; + var y1, y2, y3; + var caretSize = vm.caretSize; + var cornerRadius = vm.cornerRadius; + var xAlign = vm.xAlign, + yAlign = vm.yAlign; + var ptX = tooltipPoint.x, + ptY = tooltipPoint.y; + var width = size.width, + height = size.height; + + if (yAlign === 'center') { + // Left or right side + if (xAlign === 'left') { + x1 = ptX; + x2 = x1 - caretSize; + x3 = x1; + } else { + x1 = ptX + width; + x2 = x1 + caretSize; + x3 = x1; + } + + y2 = ptY + (height / 2); + y1 = y2 - caretSize; + y3 = y2 + caretSize; + } else { + if (xAlign === 'left') { + x1 = ptX + cornerRadius; + x2 = x1 + caretSize; + x3 = x2 + caretSize; + } else if (xAlign === 'right') { + x1 = ptX + width - cornerRadius; + x2 = x1 - caretSize; + x3 = x2 - caretSize; + } else { + x2 = ptX + (width / 2); + x1 = x2 - caretSize; + x3 = x2 + caretSize; + } + + if (yAlign === 'top') { + y1 = ptY; + y2 = y1 - caretSize; + y3 = y1; + } else { + y1 = ptY + height; + y2 = y1 + caretSize; + y3 = y1; + } + } + + ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity); + ctx.beginPath(); + ctx.moveTo(x1, y1); + ctx.lineTo(x2, y2); + ctx.lineTo(x3, y3); + ctx.closePath(); + ctx.fill(); + }, + drawTitle: function(pt, vm, ctx, opacity) { + var title = vm.title; + + if (title.length) { + ctx.textAlign = vm._titleAlign; + ctx.textBaseline = 'top'; + + var titleFontSize = vm.titleFontSize, + titleSpacing = vm.titleSpacing; + + ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity); + ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); + + var i, len; + for (i = 0, len = title.length; i < len; ++i) { + ctx.fillText(title[i], pt.x, pt.y); + pt.y += titleFontSize + titleSpacing; // Line Height and spacing + + if (i + 1 === title.length) { + pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing + } + } + } + }, + drawBody: function(pt, vm, ctx, opacity) { + var bodyFontSize = vm.bodyFontSize; + var bodySpacing = vm.bodySpacing; + var body = vm.body; + + ctx.textAlign = vm._bodyAlign; + ctx.textBaseline = 'top'; + + var textColor = mergeOpacity(vm.bodyFontColor, opacity); + ctx.fillStyle = textColor; + ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); + + // Before Body + var xLinePadding = 0; + var fillLineOfText = function(line) { + ctx.fillText(line, pt.x + xLinePadding, pt.y); + pt.y += bodyFontSize + bodySpacing; + }; + + // Before body lines + helpers.each(vm.beforeBody, fillLineOfText); + + var drawColorBoxes = vm.displayColors; + xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0; + + // Draw body lines now + helpers.each(body, function(bodyItem, i) { + helpers.each(bodyItem.before, fillLineOfText); + + helpers.each(bodyItem.lines, function(line) { + // Draw Legend-like boxes if needed + if (drawColorBoxes) { + // Fill a white rect so that colours merge nicely if the opacity is < 1 + ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity); + ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize); + + // Border + ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity); + ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize); + + // Inner square + ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity); + ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); + + ctx.fillStyle = textColor; + } + + fillLineOfText(line); + }); + + helpers.each(bodyItem.after, fillLineOfText); + }); + + // Reset back to 0 for after body + xLinePadding = 0; + + // After body lines + helpers.each(vm.afterBody, fillLineOfText); + pt.y -= bodySpacing; // Remove last body spacing + }, + drawFooter: function(pt, vm, ctx, opacity) { + var footer = vm.footer; + + if (footer.length) { + pt.y += vm.footerMarginTop; + + ctx.textAlign = vm._footerAlign; + ctx.textBaseline = 'top'; + + ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity); + ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); + + helpers.each(footer, function(line) { + ctx.fillText(line, pt.x, pt.y); + pt.y += vm.footerFontSize + vm.footerSpacing; + }); + } + }, + drawBackground: function(pt, vm, ctx, tooltipSize, opacity) { + ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity); + helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius); + ctx.fill(); + }, + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + + if (vm.opacity === 0) { + return; + } + + var tooltipSize = { + width: vm.width, + height: vm.height + }; + var pt = { + x: vm.x, + y: vm.y + }; + + // IE11/Edge does not like very small opacities, so snap to 0 + var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; + + if (this._options.enabled) { + // Draw Background + this.drawBackground(pt, vm, ctx, tooltipSize, opacity); + + // Draw Caret + this.drawCaret(pt, tooltipSize, opacity); + + // Draw Title, Body, and Footer + pt.x += vm.xPadding; + pt.y += vm.yPadding; + + // Titles + this.drawTitle(pt, vm, ctx, opacity); + + // Body + this.drawBody(pt, vm, ctx, opacity); + + // Footer + this.drawFooter(pt, vm, ctx, opacity); + } + }, + + /** + * Handle an event + * @private + * @param {IEvent} event - The event to handle + * @returns {Boolean} true if the tooltip changed + */ + handleEvent: function(e) { + var me = this; + var options = me._options; + var changed = false; + + me._lastActive = me._lastActive || []; + + // Find Active Elements for tooltips + if (e.type === 'mouseout') { + me._active = []; + } else { + me._active = me._chartInstance.getElementsAtEventForMode(e, options.mode, options); + } + + // Remember Last Actives + changed = !helpers.arrayEquals(me._active, me._lastActive); + me._lastActive = me._active; + + if (options.enabled || options.custom) { + me._eventPosition = { + x: e.x, + y: e.y + }; + + var model = me._model; + me.update(true); + me.pivot(); + + // See if our tooltip position changed + changed |= (model.x !== me._model.x) || (model.y !== me._model.y); + } + + return changed; + } + }); + + /** + * @namespace Chart.Tooltip.positioners + */ + Chart.Tooltip.positioners = { + /** + * Average mode places the tooltip at the average position of the elements shown + * @function Chart.Tooltip.positioners.average + * @param elements {ChartElement[]} the elements being displayed in the tooltip + * @returns {Point} tooltip position + */ + average: function(elements) { + if (!elements.length) { + return false; + } + + var i, len; + var x = 0; + var y = 0; + var count = 0; + + for (i = 0, len = elements.length; i < len; ++i) { + var el = elements[i]; + if (el && el.hasValue()) { + var pos = el.tooltipPosition(); + x += pos.x; + y += pos.y; + ++count; + } + } + + return { + x: Math.round(x / count), + y: Math.round(y / count) + }; + }, + + /** + * Gets the tooltip position nearest of the item nearest to the event position + * @function Chart.Tooltip.positioners.nearest + * @param elements {Chart.Element[]} the tooltip elements + * @param eventPosition {Point} the position of the event in canvas coordinates + * @returns {Point} the tooltip position + */ + nearest: function(elements, eventPosition) { + var x = eventPosition.x; + var y = eventPosition.y; + + var nearestElement; + var minDistance = Number.POSITIVE_INFINITY; + var i, len; + for (i = 0, len = elements.length; i < len; ++i) { + var el = elements[i]; + if (el && el.hasValue()) { + var center = el.getCenterPoint(); + var d = helpers.distanceBetweenPoints(eventPosition, center); + + if (d < minDistance) { + minDistance = d; + nearestElement = el; + } + } + } + + if (nearestElement) { + var tp = nearestElement.tooltipPosition(); + x = tp.x; + y = tp.y; + } + + return { + x: x, + y: y + }; + } + }; +}; + +},{}],37:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers, + globalOpts = Chart.defaults.global; + + globalOpts.elements.arc = { + backgroundColor: globalOpts.defaultColor, + borderColor: '#fff', + borderWidth: 2 + }; + + Chart.elements.Arc = Chart.Element.extend({ + inLabelRange: function(mouseX) { + var vm = this._view; + + if (vm) { + return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); + } + return false; + }, + inRange: function(chartX, chartY) { + var vm = this._view; + + if (vm) { + var pointRelativePosition = helpers.getAngleFromPoint(vm, { + x: chartX, + y: chartY + }), + angle = pointRelativePosition.angle, + distance = pointRelativePosition.distance; + + // Sanitise angle range + var startAngle = vm.startAngle; + var endAngle = vm.endAngle; + while (endAngle < startAngle) { + endAngle += 2.0 * Math.PI; + } + while (angle > endAngle) { + angle -= 2.0 * Math.PI; + } + while (angle < startAngle) { + angle += 2.0 * Math.PI; + } + + // Check if within the range of the open/close angle + var betweenAngles = (angle >= startAngle && angle <= endAngle), + withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); + + return (betweenAngles && withinRadius); + } + return false; + }, + getCenterPoint: function() { + var vm = this._view; + var halfAngle = (vm.startAngle + vm.endAngle) / 2; + var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; + return { + x: vm.x + Math.cos(halfAngle) * halfRadius, + y: vm.y + Math.sin(halfAngle) * halfRadius + }; + }, + getArea: function() { + var vm = this._view; + return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); + }, + 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(); + } + } + }); +}; + +},{}],38:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + var globalDefaults = Chart.defaults.global; + + Chart.defaults.global.elements.line = { + tension: 0.4, + backgroundColor: globalDefaults.defaultColor, + borderWidth: 3, + borderColor: globalDefaults.defaultColor, + borderCapStyle: 'butt', + borderDash: [], + borderDashOffset: 0.0, + borderJoinStyle: 'miter', + capBezierPoints: true, + fill: true, // do we fill in the area between the line and its base axis + }; + + Chart.elements.Line = Chart.Element.extend({ + draw: function() { + var me = this; + var vm = me._view; + var spanGaps = vm.spanGaps; + var fillPoint = vm.scaleZero; + var loop = me._loop; + + // Handle different fill modes for cartesian lines + if (!loop) { + if (vm.fill === 'top') { + fillPoint = vm.scaleTop; + } else if (vm.fill === 'bottom') { + fillPoint = vm.scaleBottom; + } + } + + var ctx = me._chart.ctx; + ctx.save(); + + // Helper function to draw a line to a point + function lineToPoint(previousPoint, point) { + var pointVM = point._view; + if (point._view.steppedLine === true) { + ctx.lineTo(pointVM.x, previousPoint._view.y); + ctx.lineTo(pointVM.x, pointVM.y); + } else if (point._view.tension === 0) { + ctx.lineTo(pointVM.x, pointVM.y); + } else { + ctx.bezierCurveTo( + previousPoint._view.controlPointNextX, + previousPoint._view.controlPointNextY, + pointVM.controlPointPreviousX, + pointVM.controlPointPreviousY, + pointVM.x, + pointVM.y + ); + } + } + + var points = me._children.slice(); // clone array + var lastDrawnIndex = -1; + + // If we are looping, adding the first point again + if (loop && points.length) { + points.push(points[0]); + } + + var index, current, previous, currentVM; + + // Fill Line + if (points.length && vm.fill) { + ctx.beginPath(); + + for (index = 0; index < points.length; ++index) { + current = points[index]; + previous = helpers.previousItem(points, index); + currentVM = current._view; + + // First point moves to it's starting position no matter what + if (index === 0) { + if (loop) { + ctx.moveTo(fillPoint.x, fillPoint.y); + } else { + ctx.moveTo(currentVM.x, fillPoint); + } + + if (!currentVM.skip) { + lastDrawnIndex = index; + ctx.lineTo(currentVM.x, currentVM.y); + } + } else { + previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; + + if (currentVM.skip) { + // Only do this if this is the first point that is skipped + if (!spanGaps && lastDrawnIndex === (index - 1)) { + if (loop) { + ctx.lineTo(fillPoint.x, fillPoint.y); + } else { + ctx.lineTo(previous._view.x, fillPoint); + } + } + } else { + if (lastDrawnIndex !== (index - 1)) { + // There was a gap and this is the first point after the gap. If we've never drawn a point, this is a special case. + // If the first data point is NaN, then there is no real gap to skip + if (spanGaps && lastDrawnIndex !== -1) { + // We are spanning the gap, so simple draw a line to this point + lineToPoint(previous, current); + } else if (loop) { + ctx.lineTo(currentVM.x, currentVM.y); + } else { + ctx.lineTo(currentVM.x, fillPoint); + ctx.lineTo(currentVM.x, currentVM.y); + } + } else { + // Line to next point + lineToPoint(previous, current); + } + lastDrawnIndex = index; + } + } + } + + if (!loop && lastDrawnIndex !== -1) { + ctx.lineTo(points[lastDrawnIndex]._view.x, fillPoint); + } + + ctx.fillStyle = vm.backgroundColor || globalDefaults.defaultColor; + ctx.closePath(); + ctx.fill(); + } + + // Stroke Line Options + var globalOptionLineElements = globalDefaults.elements.line; + ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; + + // IE 9 and 10 do not support line dash + if (ctx.setLineDash) { + ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); + } + + ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset; + ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; + ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth; + ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; + + // Stroke Line + ctx.beginPath(); + lastDrawnIndex = -1; + + for (index = 0; index < points.length; ++index) { + current = points[index]; + previous = helpers.previousItem(points, index); + currentVM = current._view; + + // First point moves to it's starting position no matter what + if (index === 0) { + if (!currentVM.skip) { + ctx.moveTo(currentVM.x, currentVM.y); + lastDrawnIndex = index; + } + } else { + previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; + + if (!currentVM.skip) { + if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { + // There was a gap and this is the first point after the gap + ctx.moveTo(currentVM.x, currentVM.y); + } else { + // Line to next point + lineToPoint(previous, current); + } + lastDrawnIndex = index; + } + } + } + + ctx.stroke(); + ctx.restore(); + } + }); +}; + +},{}],39:[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 + }; + + function xRange(mouseX) { + var vm = this._view; + return vm ? (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false; + } + + function yRange(mouseY) { + var vm = this._view; + return vm ? (Math.pow(mouseY - vm.y, 2) < Math.pow(vm.radius + vm.hitRadius, 2)) : false; + } + + 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: xRange, + inXRange: xRange, + inYRange: yRange, + + getCenterPoint: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + }, + getArea: function() { + return Math.PI * Math.pow(this._view.radius, 2); + }, + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y, + padding: vm.radius + vm.borderWidth + }; + }, + draw: function(chartArea) { + var vm = this._view; + var model = this._model; + var ctx = this._chart.ctx; + var pointStyle = vm.pointStyle; + var radius = vm.radius; + var x = vm.x; + var y = vm.y; + var color = Chart.helpers.color; + var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.) + var ratio = 0; + + if (vm.skip) { + return; + } + + ctx.strokeStyle = vm.borderColor || defaultColor; + ctx.lineWidth = helpers.getValueOrDefault(vm.borderWidth, globalOpts.elements.point.borderWidth); + ctx.fillStyle = vm.backgroundColor || defaultColor; + + // Cliping for Points. + // going out from inner charArea? + if ((chartArea !== undefined) && ((model.x < chartArea.left) || (chartArea.right*errMargin < model.x) || (model.y < chartArea.top) || (chartArea.bottom*errMargin < model.y))) { + // Point fade out + if (model.x < chartArea.left) { + ratio = (x - model.x) / (chartArea.left - model.x); + } else if (chartArea.right*errMargin < model.x) { + ratio = (model.x - x) / (model.x - chartArea.right); + } else if (model.y < chartArea.top) { + ratio = (y - model.y) / (chartArea.top - model.y); + } else if (chartArea.bottom*errMargin < model.y) { + ratio = (model.y - y) / (model.y - chartArea.bottom); + } + ratio = Math.round(ratio*100) / 100; + ctx.strokeStyle = color(ctx.strokeStyle).alpha(ratio).rgbString(); + ctx.fillStyle = color(ctx.fillStyle).alpha(ratio).rgbString(); + } + + Chart.canvasHelpers.drawPoint(ctx, pointStyle, radius, x, y); + } + }); +}; + +},{}],40:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var globalOpts = Chart.defaults.global; + + globalOpts.elements.rectangle = { + backgroundColor: globalOpts.defaultColor, + borderWidth: 0, + borderColor: globalOpts.defaultColor, + borderSkipped: 'bottom' + }; + + function isVertical(bar) { + return bar._view.width !== undefined; + } + + /** + * Helper function to get the bounds of the bar regardless of the orientation + * @private + * @param bar {Chart.Element.Rectangle} the bar + * @return {Bounds} bounds of the bar + */ + function getBarBounds(bar) { + var vm = bar._view; + var x1, x2, y1, y2; + + if (isVertical(bar)) { + // vertical + var halfWidth = vm.width / 2; + x1 = vm.x - halfWidth; + x2 = vm.x + halfWidth; + y1 = Math.min(vm.y, vm.base); + y2 = Math.max(vm.y, vm.base); + } else { + // horizontal bar + var halfHeight = vm.height / 2; + x1 = Math.min(vm.x, vm.base); + x2 = Math.max(vm.x, vm.base); + y1 = vm.y - halfHeight; + y2 = vm.y + halfHeight; + } + + return { + left: x1, + top: y1, + right: x2, + bottom: y2 + }; + } + + Chart.elements.Rectangle = Chart.Element.extend({ + draw: function() { + var ctx = this._chart.ctx; + var vm = this._view; + var left, right, top, bottom, signX, signY, borderSkipped; + var borderWidth = vm.borderWidth; + + if (!vm.horizontal) { + // bar + left = vm.x - vm.width / 2; + right = vm.x + vm.width / 2; + top = vm.y; + bottom = vm.base; + signX = 1; + signY = bottom > top? 1: -1; + borderSkipped = vm.borderSkipped || 'bottom'; + } else { + // horizontal bar + left = vm.base; + right = vm.x; + top = vm.y - vm.height / 2; + bottom = vm.y + vm.height / 2; + signX = right > left? 1: -1; + signY = 1; + borderSkipped = vm.borderSkipped || 'left'; + } + + // 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 (borderWidth) { + // borderWidth shold be less than bar width and bar height. + var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom)); + borderWidth = borderWidth > barSize? barSize: borderWidth; + var halfStroke = borderWidth / 2; + // Adjust borderWidth when bar top position is near vm.base(zero). + var borderLeft = left + (borderSkipped !== 'left'? halfStroke * signX: 0); + var borderRight = right + (borderSkipped !== 'right'? -halfStroke * signX: 0); + var borderTop = top + (borderSkipped !== 'top'? halfStroke * signY: 0); + var borderBottom = bottom + (borderSkipped !== 'bottom'? -halfStroke * signY: 0); + // not become a vertical line? + if (borderLeft !== borderRight) { + top = borderTop; + bottom = borderBottom; + } + // not become a horizontal line? + if (borderTop !== borderBottom) { + left = borderLeft; + right = borderRight; + } + } + + ctx.beginPath(); + ctx.fillStyle = vm.backgroundColor; + ctx.strokeStyle = vm.borderColor; + ctx.lineWidth = borderWidth; + + // Corner points, from bottom-left to bottom-right clockwise + // | 1 2 | + // | 0 3 | + var corners = [ + [left, bottom], + [left, top], + [right, top], + [right, bottom] + ]; + + // Find first (starting) corner with fallback to 'bottom' + var borders = ['bottom', 'left', 'top', 'right']; + var startCorner = borders.indexOf(borderSkipped, 0); + if (startCorner === -1) { + startCorner = 0; + } + + function cornerAt(index) { + return corners[(startCorner + index) % 4]; + } + + // Draw rectangle from 'startCorner' + var corner = cornerAt(0); + ctx.moveTo(corner[0], corner[1]); + + for (var i = 1; i < 4; i++) { + corner = cornerAt(i); + ctx.lineTo(corner[0], corner[1]); + } + + ctx.fill(); + if (borderWidth) { + ctx.stroke(); + } + }, + height: function() { + var vm = this._view; + return vm.base - vm.y; + }, + inRange: function(mouseX, mouseY) { + var inRange = false; + + if (this._view) { + var bounds = getBarBounds(this); + inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom; + } + + return inRange; + }, + inLabelRange: function(mouseX, mouseY) { + var me = this; + if (!me._view) { + return false; + } + + var inRange = false; + var bounds = getBarBounds(me); + + if (isVertical(me)) { + inRange = mouseX >= bounds.left && mouseX <= bounds.right; + } else { + inRange = mouseY >= bounds.top && mouseY <= bounds.bottom; + } + + return inRange; + }, + inXRange: function(mouseX) { + var bounds = getBarBounds(this); + return mouseX >= bounds.left && mouseX <= bounds.right; + }, + inYRange: function(mouseY) { + var bounds = getBarBounds(this); + return mouseY >= bounds.top && mouseY <= bounds.bottom; + }, + getCenterPoint: function() { + var vm = this._view; + var x, y; + if (isVertical(this)) { + x = vm.x; + y = (vm.y + vm.base) / 2; + } else { + x = (vm.x + vm.base) / 2; + y = vm.y; + } + + return {x: x, y: y}; + }, + getArea: function() { + var vm = this._view; + return vm.width * Math.abs(vm.y - vm.base); + }, + tooltipPosition: function() { + var vm = this._view; + return { + x: vm.x, + y: vm.y + }; + } + }); + +}; + +},{}],41:[function(require,module,exports){ +'use strict'; + +// Chart.Platform implementation for targeting a web browser +module.exports = function(Chart) { + var helpers = Chart.helpers; + + // DOM event types -> Chart.js event types. + // Note: only events with different types are mapped. + // https://developer.mozilla.org/en-US/docs/Web/Events + var eventTypeMap = { + // Touch events + touchstart: 'mousedown', + touchmove: 'mousemove', + touchend: 'mouseup', + + // Pointer events + pointerenter: 'mouseenter', + pointerdown: 'mousedown', + pointermove: 'mousemove', + pointerup: 'mouseup', + pointerleave: 'mouseout', + pointerout: 'mouseout' + }; + + /** + * The "used" size is the final value of a dimension property after all calculations have + * been performed. This method uses the computed style of `element` but returns undefined + * if the computed style is not expressed in pixels. That can happen in some cases where + * `element` has a size relative to its parent and this last one is not yet displayed, + * for example because of `display: none` on a parent node. + * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value + * @returns {Number} Size in pixels or undefined if unknown. + */ + function readUsedSize(element, property) { + var value = helpers.getStyle(element, property); + var matches = value && value.match(/(\d+)px/); + return matches? Number(matches[1]) : undefined; + } + + /** + * Initializes the canvas style and render size without modifying the canvas display size, + * since responsiveness is handled by the controller.resize() method. The config is used + * to determine the aspect ratio to apply in case no explicit height has been specified. + */ + function initCanvas(canvas, config) { + var style = canvas.style; + + // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it + // returns null or '' if no explicit value has been set to the canvas attribute. + var renderHeight = canvas.getAttribute('height'); + var renderWidth = canvas.getAttribute('width'); + + // Chart.js modifies some canvas values that we want to restore on destroy + canvas._chartjs = { + initial: { + height: renderHeight, + width: renderWidth, + style: { + display: style.display, + height: style.height, + width: style.width + } + } + }; + + // Force canvas to display as block to avoid extra space caused by inline + // elements, which would interfere with the responsive resize process. + // https://github.com/chartjs/Chart.js/issues/2538 + style.display = style.display || 'block'; + + if (renderWidth === null || renderWidth === '') { + var displayWidth = readUsedSize(canvas, 'width'); + if (displayWidth !== undefined) { + canvas.width = displayWidth; + } + } + + if (renderHeight === null || renderHeight === '') { + if (canvas.style.height === '') { + // If no explicit render height and style height, let's apply the aspect ratio, + // which one can be specified by the user but also by charts as default option + // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. + canvas.height = canvas.width / (config.options.aspectRatio || 2); + } else { + var displayHeight = readUsedSize(canvas, 'height'); + if (displayWidth !== undefined) { + canvas.height = displayHeight; + } + } + } + + return canvas; + } + + function createEvent(type, chart, x, y, native) { + return { + type: type, + chart: chart, + native: native || null, + x: x !== undefined? x : null, + y: y !== undefined? y : null, + }; + } + + function fromNativeEvent(event, chart) { + var type = eventTypeMap[event.type] || event.type; + var pos = helpers.getRelativePosition(event, chart); + return createEvent(type, chart, pos.x, pos.y, event); + } + + function createResizer(handler) { + var iframe = document.createElement('iframe'); + iframe.className = 'chartjs-hidden-iframe'; + iframe.style.cssText = + 'display:block;'+ + 'overflow:hidden;'+ + 'border:0;'+ + 'margin:0;'+ + 'top:0;'+ + 'left:0;'+ + 'bottom:0;'+ + 'right:0;'+ + 'height:100%;'+ + 'width:100%;'+ + 'position:absolute;'+ + 'pointer-events:none;'+ + 'z-index:-1;'; + + // Prevent the iframe to gain focus on tab. + // https://github.com/chartjs/Chart.js/issues/3090 + iframe.tabIndex = -1; + + // If the iframe is re-attached to the DOM, the resize listener is removed because the + // content is reloaded, so make sure to install the handler after the iframe is loaded. + // https://github.com/chartjs/Chart.js/issues/3521 + helpers.addEvent(iframe, 'load', function() { + helpers.addEvent(iframe.contentWindow || iframe, 'resize', handler); + + // The iframe size might have changed while loading, which can also + // happen if the size has been changed while detached from the DOM. + handler(); + }); + + return iframe; + } + + function addResizeListener(node, listener, chart) { + var stub = node._chartjs = { + ticking: false + }; + + // Throttle the callback notification until the next animation frame. + var notify = function() { + if (!stub.ticking) { + stub.ticking = true; + helpers.requestAnimFrame.call(window, function() { + if (stub.resizer) { + stub.ticking = false; + return listener(createEvent('resize', chart)); + } + }); + } + }; + + // Let's keep track of this added iframe and thus avoid DOM query when removing it. + stub.resizer = createResizer(notify); + + node.insertBefore(stub.resizer, node.firstChild); + } + + function removeResizeListener(node) { + if (!node || !node._chartjs) { + return; + } + + var resizer = node._chartjs.resizer; + if (resizer) { + resizer.parentNode.removeChild(resizer); + node._chartjs.resizer = null; + } + + delete node._chartjs; + } + + return { + acquireContext: function(item, config) { + if (typeof item === 'string') { + item = document.getElementById(item); + } else if (item.length) { + // Support for array based queries (such as jQuery) + item = item[0]; + } + + if (item && item.canvas) { + // Support for any object associated to a canvas (including a context2d) + item = item.canvas; + } + + if (item instanceof HTMLCanvasElement) { + // To prevent canvas fingerprinting, some add-ons undefine the getContext + // method, for example: https://github.com/kkapsner/CanvasBlocker + // https://github.com/chartjs/Chart.js/issues/2807 + var context = item.getContext && item.getContext('2d'); + if (context instanceof CanvasRenderingContext2D) { + initCanvas(item, config); + return context; + } + } + + return null; + }, + + releaseContext: function(context) { + var canvas = context.canvas; + if (!canvas._chartjs) { + return; + } + + var initial = canvas._chartjs.initial; + ['height', 'width'].forEach(function(prop) { + var value = initial[prop]; + if (value === undefined || value === null) { + canvas.removeAttribute(prop); + } else { + canvas.setAttribute(prop, value); + } + }); + + helpers.each(initial.style || {}, function(value, key) { + canvas.style[key] = value; + }); + + // The canvas render size might have been changed (and thus the state stack discarded), + // we can't use save() and restore() to restore the initial state. So make sure that at + // least the canvas context is reset to the default state by setting the canvas width. + // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html + canvas.width = canvas.width; + + delete canvas._chartjs; + }, + + addEventListener: function(chart, type, listener) { + var canvas = chart.chart.canvas; + if (type === 'resize') { + // Note: the resize event is not supported on all browsers. + addResizeListener(canvas.parentNode, listener, chart.chart); + return; + } + + var stub = listener._chartjs || (listener._chartjs = {}); + var proxies = stub.proxies || (stub.proxies = {}); + var proxy = proxies[chart.id + '_' + type] = function(event) { + listener(fromNativeEvent(event, chart.chart)); + }; + + helpers.addEvent(canvas, type, proxy); + }, + + removeEventListener: function(chart, type, listener) { + var canvas = chart.chart.canvas; + if (type === 'resize') { + // Note: the resize event is not supported on all browsers. + removeResizeListener(canvas.parentNode, listener); + return; + } + + var stub = listener._chartjs || {}; + var proxies = stub.proxies || {}; + var proxy = proxies[chart.id + '_' + type]; + if (!proxy) { + return; + } + + helpers.removeEvent(canvas, type, proxy); + } + }; +}; + +},{}],42:[function(require,module,exports){ +'use strict'; + +// By default, select the browser (DOM) platform. +// @TODO Make possible to select another platform at build time. +var implementation = require(41); + +module.exports = function(Chart) { + /** + * @namespace Chart.platform + * @see https://chartjs.gitbooks.io/proposals/content/Platform.html + * @since 2.4.0 + */ + Chart.platform = { + /** + * Called at chart construction time, returns a context2d instance implementing + * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. + * @param {*} item - The native item from which to acquire context (platform specific) + * @param {Object} options - The chart options + * @returns {CanvasRenderingContext2D} context2d instance + */ + acquireContext: function() {}, + + /** + * Called at chart destruction time, releases any resources associated to the context + * previously returned by the acquireContext() method. + * @param {CanvasRenderingContext2D} context - The context2d instance + * @returns {Boolean} true if the method succeeded, else false + */ + releaseContext: function() {}, + + /** + * Registers the specified listener on the given chart. + * @param {Chart} chart - Chart from which to listen for event + * @param {String} type - The ({@link IEvent}) type to listen for + * @param {Function} listener - Receives a notification (an object that implements + * the {@link IEvent} interface) when an event of the specified type occurs. + */ + addEventListener: function() {}, + + /** + * Removes the specified listener previously registered with addEventListener. + * @param {Chart} chart -Chart from which to remove the listener + * @param {String} type - The ({@link IEvent}) type to remove + * @param {Function} listener - The listener function to remove from the event target. + */ + removeEventListener: function() {} + }; + + /** + * @interface IPlatform + * Allows abstracting platform dependencies away from the chart + * @borrows Chart.platform.acquireContext as acquireContext + * @borrows Chart.platform.releaseContext as releaseContext + * @borrows Chart.platform.addEventListener as addEventListener + * @borrows Chart.platform.removeEventListener as removeEventListener + */ + + /** + * @interface IEvent + * @prop {String} type - The event type name, possible values are: + * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout', + * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize' + * @prop {*} native - The original native event (null for emulated events, e.g. 'resize') + * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events) + * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events) + */ + + Chart.helpers.extend(Chart.platform, implementation(Chart)); +}; + +},{"41":41}],43:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + // Default config for a category scale + var defaultConfig = { + position: 'bottom' + }; + + var DatasetScale = Chart.Scale.extend({ + /** + * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those + * else fall back to data.labels + * @private + */ + getLabels: function() { + var data = this.chart.data; + return (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; + }, + // Implement this so that + determineDataLimits: function() { + var me = this; + var labels = me.getLabels(); + me.minIndex = 0; + me.maxIndex = labels.length - 1; + var findIndex; + + if (me.options.ticks.min !== undefined) { + // user specified min value + findIndex = helpers.indexOf(labels, me.options.ticks.min); + me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; + } + + if (me.options.ticks.max !== undefined) { + // user specified max value + findIndex = helpers.indexOf(labels, me.options.ticks.max); + me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; + } + + me.min = labels[me.minIndex]; + me.max = labels[me.maxIndex]; + }, + + buildTicks: function() { + var me = this; + var labels = me.getLabels(); + // If we are viewing some subset of labels, slice the original array + me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); + }, + + getLabelForIndex: function(index, datasetIndex) { + var me = this; + var data = me.chart.data; + var isHorizontal = me.isHorizontal(); + + if (data.yLabels && !isHorizontal) { + return me.getRightValue(data.datasets[datasetIndex].data[index]); + } + return me.ticks[index - me.minIndex]; + }, + + // Used to get data value locations. Value can either be an index or a numerical value + getPixelForValue: function(value, index, datasetIndex, includeOffset) { + var me = this; + // 1 is added because we need the length but we have the indexes + var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); + + if (value !== undefined && isNaN(index)) { + var labels = me.getLabels(); + var idx = labels.indexOf(value); + index = idx !== -1 ? idx : index; + } + + if (me.isHorizontal()) { + var valueWidth = me.width / offsetAmt; + var widthOffset = (valueWidth * (index - me.minIndex)); + + if (me.options.gridLines.offsetGridLines && includeOffset || me.maxIndex === me.minIndex && includeOffset) { + widthOffset += (valueWidth / 2); + } + + return me.left + Math.round(widthOffset); + } + var valueHeight = me.height / offsetAmt; + var heightOffset = (valueHeight * (index - me.minIndex)); + + if (me.options.gridLines.offsetGridLines && includeOffset) { + heightOffset += (valueHeight / 2); + } + + return me.top + Math.round(heightOffset); + }, + getPixelForTick: function(index, includeOffset) { + return this.getPixelForValue(this.ticks[index], index + this.minIndex, null, includeOffset); + }, + getValueForPixel: function(pixel) { + var me = this; + var value; + var offsetAmt = Math.max((me.ticks.length - ((me.options.gridLines.offsetGridLines) ? 0 : 1)), 1); + var horz = me.isHorizontal(); + var valueDimension = (horz ? me.width : me.height) / offsetAmt; + + pixel -= horz ? me.left : me.top; + + if (me.options.gridLines.offsetGridLines) { + pixel -= (valueDimension / 2); + } + + if (pixel <= 0) { + value = 0; + } else { + value = Math.round(pixel / valueDimension); + } + + return value; + }, + getBasePixel: function() { + return this.bottom; + } + }); + + Chart.scaleService.registerScaleType('category', DatasetScale, defaultConfig); + +}; + +},{}],44:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + var defaultConfig = { + position: 'left', + ticks: { + callback: Chart.Ticks.formatters.linear + } + }; + + var LinearScale = Chart.LinearScaleBase.extend({ + determineDataLimits: function() { + var me = this; + var opts = me.options; + var chart = me.chart; + var data = chart.data; + var datasets = data.datasets; + var isHorizontal = me.isHorizontal(); + + function IDMatches(meta) { + return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; + } + + // First Calculate the range + me.min = null; + me.max = null; + + var hasStacks = opts.stacked; + if (hasStacks === undefined) { + helpers.each(datasets, function(dataset, datasetIndex) { + if (hasStacks) { + return; + } + + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && + meta.stack !== undefined) { + hasStacks = true; + } + }); + } + + if (opts.stacked || hasStacks) { + var valuesPerStack = {}; + + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + var key = [ + meta.type, + // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined + ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), + meta.stack + ].join('.'); + + if (valuesPerStack[key] === undefined) { + valuesPerStack[key] = { + positiveValues: [], + negativeValues: [] + }; + } + + // Store these per type + var positiveValues = valuesPerStack[key].positiveValues; + var negativeValues = valuesPerStack[key].negativeValues; + + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + positiveValues[index] = positiveValues[index] || 0; + negativeValues[index] = negativeValues[index] || 0; + + if (opts.relativePoints) { + positiveValues[index] = 100; + } else if (value < 0) { + negativeValues[index] += value; + } else { + positiveValues[index] += value; + } + }); + } + }); + + helpers.each(valuesPerStack, function(valuesForType) { + var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); + var minVal = helpers.min(values); + var maxVal = helpers.max(values); + me.min = me.min === null ? minVal : Math.min(me.min, minVal); + me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); + }); + + } else { + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + if (me.min === null) { + me.min = value; + } else if (value < me.min) { + me.min = value; + } + + if (me.max === null) { + me.max = value; + } else if (value > me.max) { + me.max = value; + } + }); + } + }); + } + + // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero + this.handleTickRangeOptions(); + }, + getTickLimit: function() { + var maxTicks; + var me = this; + var tickOpts = me.options.ticks; + + if (me.isHorizontal()) { + maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50)); + } else { + // The factor of 2 used to scale the font size has been experimentally determined. + var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, Chart.defaults.global.defaultFontSize); + maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize))); + } + + return maxTicks; + }, + // Called after the ticks are built. We need + handleDirectionalChanges: function() { + if (!this.isHorizontal()) { + // We are in a vertical orientation. The top value is the highest. So reverse the array + this.ticks.reverse(); + } + }, + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + // Utils + getPixelForValue: function(value) { + // This must be called after fit has been run so that + // this.left, this.top, this.right, and this.bottom have been defined + var me = this; + var start = me.start; + + var rightValue = +me.getRightValue(value); + var pixel; + var range = me.end - start; + + if (me.isHorizontal()) { + pixel = me.left + (me.width / range * (rightValue - start)); + return Math.round(pixel); + } + + pixel = me.bottom - (me.height / range * (rightValue - start)); + return Math.round(pixel); + }, + getValueForPixel: function(pixel) { + var me = this; + var isHorizontal = me.isHorizontal(); + var innerDimension = isHorizontal ? me.width : me.height; + var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; + return me.start + ((me.end - me.start) * offset); + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.ticksAsNumbers[index]); + } + }); + Chart.scaleService.registerScaleType('linear', LinearScale, defaultConfig); + +}; + +},{}],45:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers, + noop = helpers.noop; + + Chart.LinearScaleBase = Chart.Scale.extend({ + handleTickRangeOptions: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + + // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, + // do nothing since that would make the chart weird. If the user really wants a weird chart + // axis, they can manually override it + if (tickOpts.beginAtZero) { + var minSign = helpers.sign(me.min); + var maxSign = helpers.sign(me.max); + + if (minSign < 0 && maxSign < 0) { + // move the top up to 0 + me.max = 0; + } else if (minSign > 0 && maxSign > 0) { + // move the bottom down to 0 + me.min = 0; + } + } + + if (tickOpts.min !== undefined) { + me.min = tickOpts.min; + } else if (tickOpts.suggestedMin !== undefined) { + me.min = Math.min(me.min, tickOpts.suggestedMin); + } + + if (tickOpts.max !== undefined) { + me.max = tickOpts.max; + } else if (tickOpts.suggestedMax !== undefined) { + me.max = Math.max(me.max, tickOpts.suggestedMax); + } + + if (me.min === me.max) { + me.max++; + + if (!tickOpts.beginAtZero) { + me.min--; + } + } + }, + getTickLimit: noop, + handleDirectionalChanges: noop, + + buildTicks: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.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. Make sure we always have at least 2 ticks + var maxTicks = me.getTickLimit(); + maxTicks = Math.max(2, maxTicks); + + var numericGeneratorOptions = { + maxTicks: maxTicks, + min: tickOpts.min, + max: tickOpts.max, + stepSize: helpers.getValueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) + }; + var ticks = me.ticks = Chart.Ticks.generators.linear(numericGeneratorOptions, me); + + me.handleDirectionalChanges(); + + // At this point, we need to update our max and min given the tick values since we have expanded the + // range of the scale + me.max = helpers.max(ticks); + me.min = helpers.min(ticks); + + if (tickOpts.reverse) { + ticks.reverse(); + + me.start = me.max; + me.end = me.min; + } else { + me.start = me.min; + me.end = me.max; + } + }, + convertTicksToLabels: function() { + var me = this; + me.ticksAsNumbers = me.ticks.slice(); + me.zeroLineIndex = me.ticks.indexOf(0); + + Chart.Scale.prototype.convertTicksToLabels.call(me); + } + }); +}; + +},{}],46:[function(require,module,exports){ +'use strict'; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + + var defaultConfig = { + position: 'left', + + // label settings + ticks: { + callback: Chart.Ticks.formatters.logarithmic + } + }; + + var LogarithmicScale = Chart.Scale.extend({ + determineDataLimits: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + var chart = me.chart; + var data = chart.data; + var datasets = data.datasets; + var getValueOrDefault = helpers.getValueOrDefault; + var isHorizontal = me.isHorizontal(); + function IDMatches(meta) { + return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; + } + + // Calculate Range + me.min = null; + me.max = null; + me.minNotZero = null; + + var hasStacks = opts.stacked; + if (hasStacks === undefined) { + helpers.each(datasets, function(dataset, datasetIndex) { + if (hasStacks) { + return; + } + + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && + meta.stack !== undefined) { + hasStacks = true; + } + }); + } + + if (opts.stacked || hasStacks) { + var valuesPerStack = {}; + + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + var key = [ + meta.type, + // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined + ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), + meta.stack + ].join('.'); + + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + if (valuesPerStack[key] === undefined) { + valuesPerStack[key] = []; + } + + helpers.each(dataset.data, function(rawValue, index) { + var values = valuesPerStack[key]; + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + values[index] = values[index] || 0; + + if (opts.relativePoints) { + values[index] = 100; + } else { + // Don't need to split positive and negative since the log scale can't handle a 0 crossing + values[index] += value; + } + }); + } + }); + + helpers.each(valuesPerStack, function(valuesForType) { + var minVal = helpers.min(valuesForType); + var maxVal = helpers.max(valuesForType); + me.min = me.min === null ? minVal : Math.min(me.min, minVal); + me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); + }); + + } else { + helpers.each(datasets, function(dataset, datasetIndex) { + var meta = chart.getDatasetMeta(datasetIndex); + if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + if (me.min === null) { + me.min = value; + } else if (value < me.min) { + me.min = value; + } + + if (me.max === null) { + me.max = value; + } else if (value > me.max) { + me.max = value; + } + + if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { + me.minNotZero = value; + } + }); + } + }); + } + + me.min = getValueOrDefault(tickOpts.min, me.min); + me.max = getValueOrDefault(tickOpts.max, me.max); + + if (me.min === me.max) { + if (me.min !== 0 && me.min !== null) { + me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1); + me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1); + } else { + me.min = 1; + me.max = 10; + } + } + }, + buildTicks: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + + var generationOptions = { + min: tickOpts.min, + max: tickOpts.max + }; + var ticks = me.ticks = Chart.Ticks.generators.logarithmic(generationOptions, me); + + if (!me.isHorizontal()) { + // We are in a vertical orientation. The top value is the highest. So reverse the array + ticks.reverse(); + } + + // At this point, we need to update our max and min given the tick values since we have expanded the + // range of the scale + me.max = helpers.max(ticks); + me.min = helpers.min(ticks); + + if (tickOpts.reverse) { + ticks.reverse(); + + me.start = me.max; + me.end = me.min; + } else { + me.start = me.min; + me.end = me.max; + } + }, + convertTicksToLabels: function() { + this.tickValues = this.ticks.slice(); + + Chart.Scale.prototype.convertTicksToLabels.call(this); + }, + // Get the correct tooltip label + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.tickValues[index]); + }, + getPixelForValue: function(value) { + var me = this; + var innerDimension; + var pixel; + + var start = me.start; + var newVal = +me.getRightValue(value); + var range; + var opts = me.options; + var tickOpts = opts.ticks; + + if (me.isHorizontal()) { + range = helpers.log10(me.end) - helpers.log10(start); // todo: if start === 0 + if (newVal === 0) { + pixel = me.left; + } else { + innerDimension = me.width; + pixel = me.left + (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); + } + } else { + // Bottom - top since pixels increase downward on a screen + innerDimension = me.height; + if (start === 0 && !tickOpts.reverse) { + range = helpers.log10(me.end) - helpers.log10(me.minNotZero); + if (newVal === start) { + pixel = me.bottom; + } else if (newVal === me.minNotZero) { + pixel = me.bottom - innerDimension * 0.02; + } else { + pixel = me.bottom - innerDimension * 0.02 - (innerDimension * 0.98/ range * (helpers.log10(newVal)-helpers.log10(me.minNotZero))); + } + } else if (me.end === 0 && tickOpts.reverse) { + range = helpers.log10(me.start) - helpers.log10(me.minNotZero); + if (newVal === me.end) { + pixel = me.top; + } else if (newVal === me.minNotZero) { + pixel = me.top + innerDimension * 0.02; + } else { + pixel = me.top + innerDimension * 0.02 + (innerDimension * 0.98/ range * (helpers.log10(newVal)-helpers.log10(me.minNotZero))); + } + } else { + range = helpers.log10(me.end) - helpers.log10(start); + innerDimension = me.height; + pixel = me.bottom - (innerDimension / range * (helpers.log10(newVal) - helpers.log10(start))); + } + } + return pixel; + }, + getValueForPixel: function(pixel) { + var me = this; + var range = helpers.log10(me.end) - helpers.log10(me.start); + var value, innerDimension; + + if (me.isHorizontal()) { + innerDimension = me.width; + value = me.start * Math.pow(10, (pixel - me.left) * range / innerDimension); + } else { // todo: if start === 0 + innerDimension = me.height; + value = Math.pow(10, (me.bottom - pixel) * range / innerDimension) / me.start; + } + return value; + } + }); + Chart.scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig); + +}; + +},{}],47:[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, + + callback: Chart.Ticks.formatters.linear + }, + + pointLabels: { + // Number - Point label font size in pixels + fontSize: 10, + + // Function - Used to convert point labels + callback: function(label) { + return label; + } + } + }; + + function getValueCount(scale) { + return !scale.options.lineArc ? scale.chart.data.labels.length : 0; + } + + function getPointLabelFontOptions(scale) { + var pointLabelOptions = scale.options.pointLabels; + var fontSize = helpers.getValueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize); + var fontStyle = helpers.getValueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle); + var fontFamily = helpers.getValueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily); + var font = helpers.fontString(fontSize, fontStyle, fontFamily); + + return { + size: fontSize, + style: fontStyle, + family: fontFamily, + font: font + }; + } + + function measureLabelSize(ctx, fontSize, label) { + if (helpers.isArray(label)) { + return { + w: helpers.longestText(ctx, ctx.font, label), + h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize) + }; + } + + return { + w: ctx.measureText(label).width, + h: fontSize + }; + } + + function determineLimits(angle, pos, size, min, max) { + if (angle === min || angle === max) { + return { + start: pos - (size / 2), + end: pos + (size / 2) + }; + } else if (angle < min || angle > max) { + return { + start: pos - size - 5, + end: pos + }; + } + + return { + start: pos, + end: pos + size + 5 + }; + } + + /** + * Helper function to fit a radial linear scale with point labels + */ + function fitWithPointLabels(scale) { + /* + * 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 plFont = getPointLabelFontOptions(scale); + + // 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 = Math.min(scale.height / 2, scale.width / 2); + var furthestLimits = { + l: scale.width, + r: 0, + t: scale.height, + b: 0 + }; + var furthestAngles = {}; + var i; + var textSize; + var pointPosition; + + scale.ctx.font = plFont.font; + scale._pointLabelSizes = []; + + var valueCount = getValueCount(scale); + for (i = 0; i < valueCount; i++) { + pointPosition = scale.getPointPosition(i, largestPossibleRadius); + textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || ''); + scale._pointLabelSizes[i] = textSize; + + // Add quarter circle to make degree 0 mean top of circle + var angleRadians = scale.getIndexAngle(i); + var angle = helpers.toDegrees(angleRadians) % 360; + var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); + var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); + + if (hLimits.start < furthestLimits.l) { + furthestLimits.l = hLimits.start; + furthestAngles.l = angleRadians; + } + + if (hLimits.end > furthestLimits.r) { + furthestLimits.r = hLimits.end; + furthestAngles.r = angleRadians; + } + + if (vLimits.start < furthestLimits.t) { + furthestLimits.t = vLimits.start; + furthestAngles.t = angleRadians; + } + + if (vLimits.end > furthestLimits.b) { + furthestLimits.b = vLimits.end; + furthestAngles.b = angleRadians; + } + } + + scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles); + } + + /** + * Helper function to fit a radial linear scale with no point labels + */ + function fit(scale) { + var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); + scale.drawingArea = Math.round(largestPossibleRadius); + scale.setCenterPoint(0, 0, 0, 0); + } + + function getTextAlignForAngle(angle) { + if (angle === 0 || angle === 180) { + return 'center'; + } else if (angle < 180) { + return 'left'; + } + + return 'right'; + } + + function fillText(ctx, text, position, fontSize) { + if (helpers.isArray(text)) { + var y = position.y; + var spacing = 1.5 * fontSize; + + for (var i = 0; i < text.length; ++i) { + ctx.fillText(text[i], position.x, y); + y+= spacing; + } + } else { + ctx.fillText(text, position.x, position.y); + } + } + + function adjustPointPositionForLabelHeight(angle, textSize, position) { + if (angle === 90 || angle === 270) { + position.y -= (textSize.h / 2); + } else if (angle > 270 || angle < 90) { + position.y -= textSize.h; + } + } + + function drawPointLabels(scale) { + var ctx = scale.ctx; + var getValueOrDefault = helpers.getValueOrDefault; + var opts = scale.options; + var angleLineOpts = opts.angleLines; + var pointLabelOpts = opts.pointLabels; + + ctx.lineWidth = angleLineOpts.lineWidth; + ctx.strokeStyle = angleLineOpts.color; + + var outerDistance = scale.getDistanceFromCenterForValue(opts.reverse ? scale.min : scale.max); + + // Point Label Font + var plFont = getPointLabelFontOptions(scale); + + ctx.textBaseline = 'top'; + + for (var i = getValueCount(scale) - 1; i >= 0; i--) { + if (angleLineOpts.display) { + var outerPosition = scale.getPointPosition(i, outerDistance); + ctx.beginPath(); + ctx.moveTo(scale.xCenter, scale.yCenter); + ctx.lineTo(outerPosition.x, outerPosition.y); + ctx.stroke(); + ctx.closePath(); + } + // Extra 3px out for some label spacing + var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5); + + // Keep this in loop since we may support array properties here + var pointLabelFontColor = getValueOrDefault(pointLabelOpts.fontColor, globalDefaults.defaultFontColor); + ctx.font = plFont.font; + ctx.fillStyle = pointLabelFontColor; + + var angleRadians = scale.getIndexAngle(i); + var angle = helpers.toDegrees(angleRadians); + ctx.textAlign = getTextAlignForAngle(angle); + adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); + fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size); + } + } + + function drawRadiusLine(scale, gridLineOpts, radius, index) { + var ctx = scale.ctx; + ctx.strokeStyle = helpers.getValueAtIndexOrDefault(gridLineOpts.color, index - 1); + ctx.lineWidth = helpers.getValueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1); + + if (scale.options.lineArc) { + // Draw circular arcs between the points + ctx.beginPath(); + ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); + ctx.closePath(); + ctx.stroke(); + } else { + // Draw straight lines connecting each index + var valueCount = getValueCount(scale); + + if (valueCount === 0) { + return; + } + + ctx.beginPath(); + var pointPosition = scale.getPointPosition(0, radius); + ctx.moveTo(pointPosition.x, pointPosition.y); + + for (var i = 1; i < valueCount; i++) { + pointPosition = scale.getPointPosition(i, radius); + ctx.lineTo(pointPosition.x, pointPosition.y); + } + + ctx.closePath(); + ctx.stroke(); + } + } + + function numberOrZero(param) { + return helpers.isNumber(param) ? param : 0; + } + + var LinearRadialScale = Chart.LinearScaleBase.extend({ + setDimensions: function() { + var me = this; + var opts = me.options; + var tickOpts = opts.ticks; + // Set the unconstrained dimension before label rotation + me.width = me.maxWidth; + me.height = me.maxHeight; + me.xCenter = Math.round(me.width / 2); + me.yCenter = Math.round(me.height / 2); + + var minSize = helpers.min([me.height, me.width]); + var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2); + }, + determineDataLimits: function() { + var me = this; + var chart = me.chart; + var min = Number.POSITIVE_INFINITY; + var max = Number.NEGATIVE_INFINITY; + + helpers.each(chart.data.datasets, function(dataset, datasetIndex) { + if (chart.isDatasetVisible(datasetIndex)) { + var meta = chart.getDatasetMeta(datasetIndex); + + helpers.each(dataset.data, function(rawValue, index) { + var value = +me.getRightValue(rawValue); + if (isNaN(value) || meta.data[index].hidden) { + return; + } + + min = Math.min(value, min); + max = Math.max(value, max); + }); + } + }); + + me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); + me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); + + // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero + me.handleTickRangeOptions(); + }, + getTickLimit: function() { + var tickOpts = this.options.ticks; + var tickFontSize = helpers.getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); + }, + convertTicksToLabels: function() { + var me = this; + Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me); + + // Point labels + me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); + }, + getLabelForIndex: function(index, datasetIndex) { + return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); + }, + fit: function() { + if (this.options.lineArc) { + fit(this); + } else { + fitWithPointLabels(this); + } + }, + /** + * Set radius reductions and determine new radius and center point + * @private + */ + setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { + var me = this; + var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); + var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); + var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); + var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b); + + radiusReductionLeft = numberOrZero(radiusReductionLeft); + radiusReductionRight = numberOrZero(radiusReductionRight); + radiusReductionTop = numberOrZero(radiusReductionTop); + radiusReductionBottom = numberOrZero(radiusReductionBottom); + + me.drawingArea = Math.min( + Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), + Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); + me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); + }, + setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { + var me = this; + var maxRight = me.width - rightMovement - me.drawingArea, + maxLeft = leftMovement + me.drawingArea, + maxTop = topMovement + me.drawingArea, + maxBottom = me.height - bottomMovement - me.drawingArea; + + me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left); + me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top); + }, + + getIndexAngle: function(index) { + var angleMultiplier = (Math.PI * 2) / getValueCount(this); + var startAngle = this.chart.options && this.chart.options.startAngle ? + this.chart.options.startAngle : + 0; + + var startAngleRadians = startAngle * Math.PI * 2 / 360; + + // Start from the top instead of right, so remove a quarter of the circle + return index * angleMultiplier + startAngleRadians; + }, + getDistanceFromCenterForValue: function(value) { + var me = this; + + if (value === null) { + return 0; // null always in center + } + + // Take into account half font size + the yPadding of the top value + var scalingFactor = me.drawingArea / (me.max - me.min); + if (me.options.reverse) { + return (me.max - value) * scalingFactor; + } + return (value - me.min) * scalingFactor; + }, + getPointPosition: function(index, distanceFromCenter) { + var me = this; + var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); + return { + x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter, + y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter + }; + }, + getPointPositionForValue: function(index, value) { + return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); + }, + + getBasePosition: function() { + var me = this; + var min = me.min; + var max = me.max; + + return me.getPointPositionForValue(0, + me.beginAtZero? 0: + min < 0 && max < 0? max : + min > 0 && max > 0? min : + 0); + }, + + draw: function() { + var me = this; + var opts = me.options; + var gridLineOpts = opts.gridLines; + var tickOpts = opts.ticks; + var getValueOrDefault = helpers.getValueOrDefault; + + if (opts.display) { + var ctx = me.ctx; + + // Tick Font + var tickFontSize = getValueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); + var tickFontStyle = getValueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); + var tickFontFamily = getValueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); + var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); + + helpers.each(me.ticks, function(label, index) { + // Don't draw a centre value (if it is minimum) + if (index > 0 || opts.reverse) { + var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); + var yHeight = me.yCenter - yCenterOffset; + + // Draw circular lines around the scale + if (gridLineOpts.display && index !== 0) { + drawRadiusLine(me, gridLineOpts, yCenterOffset, index); + } + + if (tickOpts.display) { + var tickFontColor = getValueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor); + ctx.font = tickLabelFont; + + if (tickOpts.showLabelBackdrop) { + var labelWidth = ctx.measureText(label).width; + ctx.fillStyle = tickOpts.backdropColor; + ctx.fillRect( + me.xCenter - labelWidth / 2 - tickOpts.backdropPaddingX, + yHeight - tickFontSize / 2 - tickOpts.backdropPaddingY, + labelWidth + tickOpts.backdropPaddingX * 2, + tickFontSize + tickOpts.backdropPaddingY * 2 + ); + } + + ctx.textAlign = 'center'; + ctx.textBaseline = 'middle'; + ctx.fillStyle = tickFontColor; + ctx.fillText(label, me.xCenter, yHeight); + } + } + }); + + if (!opts.lineArc) { + drawPointLabels(me); + } + } + } + }); + Chart.scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig); + +}; + +},{}],48:[function(require,module,exports){ +/* global window: false */ +'use strict'; + +var moment = require(1); +moment = typeof(moment) === 'function' ? moment : window.moment; + +module.exports = function(Chart) { + + var helpers = Chart.helpers; + var time = { + units: [{ + name: 'millisecond', + steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] + }, { + name: 'second', + steps: [1, 2, 5, 10, 30] + }, { + name: 'minute', + steps: [1, 2, 5, 10, 30] + }, { + name: 'hour', + steps: [1, 2, 3, 6, 12] + }, { + name: 'day', + steps: [1, 2, 5] + }, { + name: 'week', + maxStep: 4 + }, { + name: 'month', + maxStep: 3 + }, { + name: 'quarter', + maxStep: 4 + }, { + name: 'year', + maxStep: false + }] + }; + + var defaultConfig = { + position: 'bottom', + + time: { + parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment + format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/ + unit: false, // false == automatic or override with week, month, year, etc. + round: false, // none, or override with week, month, year, etc. + displayFormat: false, // DEPRECATED + isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/ + minUnit: 'millisecond', + + // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ + displayFormats: { + millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM, + second: 'h:mm:ss a', // 11:20:01 AM + minute: 'h:mm:ss a', // 11:20:01 AM + hour: 'MMM D, hA', // Sept 4, 5PM + day: 'll', // Sep 4 2015 + week: 'll', // Week 46, or maybe "[W]WW - YYYY" ? + month: 'MMM YYYY', // Sept 2015 + quarter: '[Q]Q - YYYY', // Q3 + year: 'YYYY' // 2015 + } + }, + ticks: { + autoSkip: false + } + }; + + var TimeScale = Chart.Scale.extend({ + initialize: function() { + if (!moment) { + throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com'); + } + + Chart.Scale.prototype.initialize.call(this); + }, + getLabelMoment: function(datasetIndex, index) { + if (datasetIndex === null || index === null) { + return null; + } + + if (typeof this.labelMoments[datasetIndex] !== 'undefined') { + return this.labelMoments[datasetIndex][index]; + } + + return null; + }, + getLabelDiff: function(datasetIndex, index) { + var me = this; + if (datasetIndex === null || index === null) { + return null; + } + + if (me.labelDiffs === undefined) { + me.buildLabelDiffs(); + } + + if (typeof me.labelDiffs[datasetIndex] !== 'undefined') { + return me.labelDiffs[datasetIndex][index]; + } + + return null; + }, + getMomentStartOf: function(tick) { + var me = this; + if (me.options.time.unit === 'week' && me.options.time.isoWeekday !== false) { + return tick.clone().startOf('isoWeek').isoWeekday(me.options.time.isoWeekday); + } + return tick.clone().startOf(me.tickUnit); + }, + determineDataLimits: function() { + var me = this; + me.labelMoments = []; + + // Only parse these once. If the dataset does not have data as x,y pairs, we will use + // these + var scaleLabelMoments = []; + if (me.chart.data.labels && me.chart.data.labels.length > 0) { + helpers.each(me.chart.data.labels, function(label) { + var labelMoment = me.parseTime(label); + + if (labelMoment.isValid()) { + if (me.options.time.round) { + labelMoment.startOf(me.options.time.round); + } + scaleLabelMoments.push(labelMoment); + } + }, me); + + me.firstTick = moment.min.call(me, scaleLabelMoments); + me.lastTick = moment.max.call(me, scaleLabelMoments); + } else { + me.firstTick = null; + me.lastTick = null; + } + + helpers.each(me.chart.data.datasets, function(dataset, datasetIndex) { + var momentsForDataset = []; + var datasetVisible = me.chart.isDatasetVisible(datasetIndex); + + if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) { + helpers.each(dataset.data, function(value) { + var labelMoment = me.parseTime(me.getRightValue(value)); + + if (labelMoment.isValid()) { + if (me.options.time.round) { + labelMoment.startOf(me.options.time.round); + } + momentsForDataset.push(labelMoment); + + if (datasetVisible) { + // May have gone outside the scale ranges, make sure we keep the first and last ticks updated + me.firstTick = me.firstTick !== null ? moment.min(me.firstTick, labelMoment) : labelMoment; + me.lastTick = me.lastTick !== null ? moment.max(me.lastTick, labelMoment) : labelMoment; + } + } + }, me); + } else { + // We have no labels. Use the ones from the scale + momentsForDataset = scaleLabelMoments; + } + + me.labelMoments.push(momentsForDataset); + }, me); + + // Set these after we've done all the data + if (me.options.time.min) { + me.firstTick = me.parseTime(me.options.time.min); + } + + if (me.options.time.max) { + me.lastTick = me.parseTime(me.options.time.max); + } + + // We will modify these, so clone for later + me.firstTick = (me.firstTick || moment()).clone(); + me.lastTick = (me.lastTick || moment()).clone(); + }, + buildLabelDiffs: function() { + var me = this; + me.labelDiffs = []; + var scaleLabelDiffs = []; + // Parse common labels once + if (me.chart.data.labels && me.chart.data.labels.length > 0) { + helpers.each(me.chart.data.labels, function(label) { + var labelMoment = me.parseTime(label); + + if (labelMoment.isValid()) { + if (me.options.time.round) { + labelMoment.startOf(me.options.time.round); + } + scaleLabelDiffs.push(labelMoment.diff(me.firstTick, me.tickUnit, true)); + } + }, me); + } + + helpers.each(me.chart.data.datasets, function(dataset) { + var diffsForDataset = []; + + if (typeof dataset.data[0] === 'object' && dataset.data[0] !== null) { + helpers.each(dataset.data, function(value) { + var labelMoment = me.parseTime(me.getRightValue(value)); + + if (labelMoment.isValid()) { + if (me.options.time.round) { + labelMoment.startOf(me.options.time.round); + } + diffsForDataset.push(labelMoment.diff(me.firstTick, me.tickUnit, true)); + } + }, me); + } else { + // We have no labels. Use common ones + diffsForDataset = scaleLabelDiffs; + } + + me.labelDiffs.push(diffsForDataset); + }, me); + }, + buildTicks: function() { + var me = this; + + me.ctx.save(); + var tickFontSize = helpers.getValueOrDefault(me.options.ticks.fontSize, Chart.defaults.global.defaultFontSize); + var tickFontStyle = helpers.getValueOrDefault(me.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle); + var tickFontFamily = helpers.getValueOrDefault(me.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily); + var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); + me.ctx.font = tickLabelFont; + + me.ticks = []; + me.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step + me.scaleSizeInUnits = 0; // How large the scale is in the base unit (seconds, minutes, etc) + + // Set unit override if applicable + if (me.options.time.unit) { + me.tickUnit = me.options.time.unit || 'day'; + me.displayFormat = me.options.time.displayFormats[me.tickUnit]; + me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); + me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, 1); + } else { + // Determine the smallest needed unit of the time + var innerWidth = me.isHorizontal() ? me.width : me.height; + + // Crude approximation of what the label length might be + var tempFirstLabel = me.tickFormatFunction(me.firstTick, 0, []); + var tickLabelWidth = me.ctx.measureText(tempFirstLabel).width; + var cosRotation = Math.cos(helpers.toRadians(me.options.ticks.maxRotation)); + var sinRotation = Math.sin(helpers.toRadians(me.options.ticks.maxRotation)); + tickLabelWidth = (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); + var labelCapacity = innerWidth / (tickLabelWidth); + + // Start as small as possible + me.tickUnit = me.options.time.minUnit; + me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); + me.displayFormat = me.options.time.displayFormats[me.tickUnit]; + + var unitDefinitionIndex = 0; + var unitDefinition = time.units[unitDefinitionIndex]; + + // While we aren't ideal and we don't have units left + while (unitDefinitionIndex < time.units.length) { + // Can we scale this unit. If `false` we can scale infinitely + me.unitScale = 1; + + if (helpers.isArray(unitDefinition.steps) && Math.ceil(me.scaleSizeInUnits / labelCapacity) < helpers.max(unitDefinition.steps)) { + // Use one of the predefined steps + for (var idx = 0; idx < unitDefinition.steps.length; ++idx) { + if (unitDefinition.steps[idx] >= Math.ceil(me.scaleSizeInUnits / labelCapacity)) { + me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, unitDefinition.steps[idx]); + break; + } + } + + break; + } else if ((unitDefinition.maxStep === false) || (Math.ceil(me.scaleSizeInUnits / labelCapacity) < unitDefinition.maxStep)) { + // We have a max step. Scale this unit + me.unitScale = helpers.getValueOrDefault(me.options.time.unitStepSize, Math.ceil(me.scaleSizeInUnits / labelCapacity)); + break; + } else { + // Move to the next unit up + ++unitDefinitionIndex; + unitDefinition = time.units[unitDefinitionIndex]; + + me.tickUnit = unitDefinition.name; + var leadingUnitBuffer = me.firstTick.diff(me.getMomentStartOf(me.firstTick), me.tickUnit, true); + var trailingUnitBuffer = me.getMomentStartOf(me.lastTick.clone().add(1, me.tickUnit)).diff(me.lastTick, me.tickUnit, true); + me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true) + leadingUnitBuffer + trailingUnitBuffer; + me.displayFormat = me.options.time.displayFormats[unitDefinition.name]; + } + } + } + + var roundedStart; + + // Only round the first tick if we have no hard minimum + if (!me.options.time.min) { + me.firstTick = me.getMomentStartOf(me.firstTick); + roundedStart = me.firstTick; + } else { + roundedStart = me.getMomentStartOf(me.firstTick); + } + + // Only round the last tick if we have no hard maximum + if (!me.options.time.max) { + var roundedEnd = me.getMomentStartOf(me.lastTick); + var delta = roundedEnd.diff(me.lastTick, me.tickUnit, true); + if (delta < 0) { + // Do not use end of because we need me to be in the next time unit + me.lastTick = me.getMomentStartOf(me.lastTick.add(1, me.tickUnit)); + } else if (delta >= 0) { + me.lastTick = roundedEnd; + } + + me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); + } + + // Tick displayFormat override + if (me.options.time.displayFormat) { + me.displayFormat = me.options.time.displayFormat; + } + + // first tick. will have been rounded correctly if options.time.min is not specified + me.ticks.push(me.firstTick.clone()); + + // For every unit in between the first and last moment, create a moment and add it to the ticks tick + for (var i = me.unitScale; i <= me.scaleSizeInUnits; i += me.unitScale) { + var newTick = roundedStart.clone().add(i, me.tickUnit); + + // Are we greater than the max time + if (me.options.time.max && newTick.diff(me.lastTick, me.tickUnit, true) >= 0) { + break; + } + + me.ticks.push(newTick); + } + + // Always show the right tick + var diff = me.ticks[me.ticks.length - 1].diff(me.lastTick, me.tickUnit); + if (diff !== 0 || me.scaleSizeInUnits === 0) { + // this is a weird case. If the <max> option is the same as the end option, we can't just diff the times because the tick was created from the roundedStart + // but the last tick was not rounded. + if (me.options.time.max) { + me.ticks.push(me.lastTick.clone()); + me.scaleSizeInUnits = me.lastTick.diff(me.ticks[0], me.tickUnit, true); + } else { + me.ticks.push(me.lastTick.clone()); + me.scaleSizeInUnits = me.lastTick.diff(me.firstTick, me.tickUnit, true); + } + } + + me.ctx.restore(); + + // Invalidate label diffs cache + me.labelDiffs = undefined; + }, + // Get tooltip label + getLabelForIndex: function(index, datasetIndex) { + var me = this; + var label = me.chart.data.labels && index < me.chart.data.labels.length ? me.chart.data.labels[index] : ''; + var value = me.chart.data.datasets[datasetIndex].data[index]; + + if (value !== null && typeof value === 'object') { + label = me.getRightValue(value); + } + + // Format nicely + if (me.options.time.tooltipFormat) { + label = me.parseTime(label).format(me.options.time.tooltipFormat); + } + + return label; + }, + // Function to format an individual tick mark + tickFormatFunction: function(tick, index, ticks) { + var formattedTick = tick.format(this.displayFormat); + var tickOpts = this.options.ticks; + var callback = helpers.getValueOrDefault(tickOpts.callback, tickOpts.userCallback); + + if (callback) { + return callback(formattedTick, index, ticks); + } + return formattedTick; + }, + convertTicksToLabels: function() { + var me = this; + me.tickMoments = me.ticks; + me.ticks = me.ticks.map(me.tickFormatFunction, me); + }, + getPixelForValue: function(value, index, datasetIndex) { + var me = this; + var offset = null; + if (index !== undefined && datasetIndex !== undefined) { + offset = me.getLabelDiff(datasetIndex, index); + } + + if (offset === null) { + if (!value || !value.isValid) { + // not already a moment object + value = me.parseTime(me.getRightValue(value)); + } + if (value && value.isValid && value.isValid()) { + offset = value.diff(me.firstTick, me.tickUnit, true); + } + } + + if (offset !== null) { + var decimal = offset !== 0 ? offset / me.scaleSizeInUnits : offset; + + if (me.isHorizontal()) { + var valueOffset = (me.width * decimal); + return me.left + Math.round(valueOffset); + } + + var heightOffset = (me.height * decimal); + return me.top + Math.round(heightOffset); + } + }, + getPixelForTick: function(index) { + return this.getPixelForValue(this.tickMoments[index], null, null); + }, + getValueForPixel: function(pixel) { + var me = this; + var innerDimension = me.isHorizontal() ? me.width : me.height; + var offset = (pixel - (me.isHorizontal() ? me.left : me.top)) / innerDimension; + offset *= me.scaleSizeInUnits; + return me.firstTick.clone().add(moment.duration(offset, me.tickUnit).asSeconds(), 'seconds'); + }, + parseTime: function(label) { + var me = this; + if (typeof me.options.time.parser === 'string') { + return moment(label, me.options.time.parser); + } + if (typeof me.options.time.parser === 'function') { + return me.options.time.parser(label); + } + // Date objects + if (typeof label.getMonth === 'function' || typeof label === 'number') { + return moment(label); + } + // Moment support + if (label.isValid && label.isValid()) { + return label; + } + // Custom parsing (return an instance of moment) + if (typeof me.options.time.format !== 'string' && me.options.time.format.call) { + console.warn('options.time.format is deprecated and replaced by options.time.parser. See http://nnnick.github.io/Chart.js/docs-v2/#scales-time-scale'); + return me.options.time.format(label); + } + // Moment format parsing + return moment(label, me.options.time.format); + } + }); + Chart.scaleService.registerScaleType('time', TimeScale, defaultConfig); + +}; + +},{"1":1}]},{},[7])(7) +}); \ No newline at end of file diff --git a/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.xml b/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.xml new file mode 100644 index 0000000000..f33d46c768 --- /dev/null +++ b/bt5/erp5_web_renderjs_ui/PathTemplateItem/web_page_module/rjs_chart_js.xml @@ -0,0 +1,328 @@ +<?xml version="1.0"?> +<ZopeData> + <record id="1" aka="AAAAAAAAAAE="> + <pickle> + <global name="Web Script" module="erp5.portal_type"/> + </pickle> + <pickle> + <dictionary> + <item> + <key> <string>_Access_contents_information_Permission</string> </key> + <value> + <tuple> + <string>Anonymous</string> + <string>Assignee</string> + <string>Assignor</string> + <string>Associate</string> + <string>Auditor</string> + <string>Manager</string> + <string>Owner</string> + </tuple> + </value> + </item> + <item> + <key> <string>_Add_portal_content_Permission</string> </key> + <value> + <tuple> + <string>Assignee</string> + <string>Assignor</string> + <string>Manager</string> + </tuple> + </value> + </item> + <item> + <key> <string>_Change_local_roles_Permission</string> </key> + <value> + <tuple> + <string>Assignor</string> + <string>Manager</string> + </tuple> + </value> + </item> + <item> + <key> <string>_Modify_portal_content_Permission</string> </key> + <value> + <tuple> + <string>Assignee</string> + <string>Assignor</string> + <string>Manager</string> + </tuple> + </value> + </item> + <item> + <key> <string>_View_Permission</string> </key> + <value> + <tuple> + <string>Anonymous</string> + <string>Assignee</string> + <string>Assignor</string> + <string>Associate</string> + <string>Auditor</string> + <string>Manager</string> + <string>Owner</string> + </tuple> + </value> + </item> + <item> + <key> <string>categories</string> </key> + <value> + <tuple> + <string>classification/collaborative/team</string> + </tuple> + </value> + </item> + <item> + <key> <string>content_md5</string> </key> + <value> + <none/> + </value> + </item> + <item> + <key> <string>default_reference</string> </key> + <value> <string>chart.js</string> </value> + </item> + <item> + <key> <string>description</string> </key> + <value> + <none/> + </value> + </item> + <item> + <key> <string>id</string> </key> + <value> <string>rjs_chart_js</string> </value> + </item> + <item> + <key> <string>language</string> </key> + <value> <string>en</string> </value> + </item> + <item> + <key> <string>portal_type</string> </key> + <value> <string>Web Script</string> </value> + </item> + <item> + <key> <string>short_title</string> </key> + <value> + <none/> + </value> + </item> + <item> + <key> <string>title</string> </key> + <value> <string>Chart.js</string> </value> + </item> + <item> + <key> <string>version</string> </key> + <value> <string>001</string> </value> + </item> + <item> + <key> <string>workflow_history</string> </key> + <value> + <persistent> <string encoding="base64">AAAAAAAAAAI=</string> </persistent> + </value> + </item> + </dictionary> + </pickle> + </record> + <record id="2" aka="AAAAAAAAAAI="> + <pickle> + <global name="PersistentMapping" module="Persistence.mapping"/> + </pickle> + <pickle> + <dictionary> + <item> + <key> <string>data</string> </key> + <value> + <dictionary> + <item> + <key> <string>document_publication_workflow</string> </key> + <value> + <persistent> <string encoding="base64">AAAAAAAAAAM=</string> </persistent> + </value> + </item> + <item> + <key> <string>edit_workflow</string> </key> + <value> + <persistent> <string encoding="base64">AAAAAAAAAAQ=</string> </persistent> + </value> + </item> + <item> + <key> <string>processing_status_workflow</string> </key> + <value> + <persistent> <string encoding="base64">AAAAAAAAAAU=</string> </persistent> + </value> + </item> + </dictionary> + </value> + </item> + </dictionary> + </pickle> + </record> + <record id="3" aka="AAAAAAAAAAM="> + <pickle> + <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/> + </pickle> + <pickle> + <tuple> + <none/> + <list> + <dictionary> + <item> + <key> <string>action</string> </key> + <value> <string>publish_alive</string> </value> + </item> + <item> + <key> <string>actor</string> </key> + <value> <string>superseb</string> </value> + </item> + <item> + <key> <string>comment</string> </key> + <value> <string></string> </value> + </item> + <item> + <key> <string>error_message</string> </key> + <value> <string></string> </value> + </item> + <item> + <key> <string>time</string> </key> + <value> + <object> + <klass> + <global name="DateTime" module="DateTime.DateTime"/> + </klass> + <tuple> + <none/> + </tuple> + <state> + <tuple> + <float>1490800364.15</float> + <string>UTC</string> + </tuple> + </state> + </object> + </value> + </item> + <item> + <key> <string>validation_state</string> </key> + <value> <string>published_alive</string> </value> + </item> + </dictionary> + </list> + </tuple> + </pickle> + </record> + <record id="4" aka="AAAAAAAAAAQ="> + <pickle> + <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/> + </pickle> + <pickle> + <tuple> + <none/> + <list> + <dictionary> + <item> + <key> <string>action</string> </key> + <value> <string>edit</string> </value> + </item> + <item> + <key> <string>actor</string> </key> + <value> <string>superseb</string> </value> + </item> + <item> + <key> <string>comment</string> </key> + <value> + <none/> + </value> + </item> + <item> + <key> <string>error_message</string> </key> + <value> <string></string> </value> + </item> + <item> + <key> <string>serial</string> </key> + <value> <string>958.21610.9529.21469</string> </value> + </item> + <item> + <key> <string>state</string> </key> + <value> <string>current</string> </value> + </item> + <item> + <key> <string>time</string> </key> + <value> + <object> + <klass> + <global name="DateTime" module="DateTime.DateTime"/> + </klass> + <tuple> + <none/> + </tuple> + <state> + <tuple> + <float>1490859424.45</float> + <string>UTC</string> + </tuple> + </state> + </object> + </value> + </item> + </dictionary> + </list> + </tuple> + </pickle> + </record> + <record id="5" aka="AAAAAAAAAAU="> + <pickle> + <global name="WorkflowHistoryList" module="Products.ERP5Type.patches.WorkflowTool"/> + </pickle> + <pickle> + <tuple> + <none/> + <list> + <dictionary> + <item> + <key> <string>action</string> </key> + <value> <string>detect_converted_file</string> </value> + </item> + <item> + <key> <string>actor</string> </key> + <value> <string>superseb</string> </value> + </item> + <item> + <key> <string>comment</string> </key> + <value> <string></string> </value> + </item> + <item> + <key> <string>error_message</string> </key> + <value> <string></string> </value> + </item> + <item> + <key> <string>external_processing_state</string> </key> + <value> <string>converted</string> </value> + </item> + <item> + <key> <string>serial</string> </key> + <value> <string>0.0.0.0</string> </value> + </item> + <item> + <key> <string>time</string> </key> + <value> + <object> + <klass> + <global name="DateTime" module="DateTime.DateTime"/> + </klass> + <tuple> + <none/> + </tuple> + <state> + <tuple> + <float>1490798201.52</float> + <string>UTC</string> + </tuple> + </state> + </object> + </value> + </item> + </dictionary> + </list> + </tuple> + </pickle> + </record> +</ZopeData> -- 2.30.9