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/*!
* Chart.js
* http://chartjs.org/
* Version: 2.7.0
*
* 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})$/i,
hex = /^#([a-fA-F0-9]{6})$/i,
rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/i,
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.valid = false;
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 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);
}
}
};
Color.prototype = {
isValid: function () {
return this.valid;
},
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;
this.valid = true;
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){
'use strict'
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(29)();
Chart.helpers = require(45);
// @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests!
require(27)(Chart);
Chart.defaults = require(25);
Chart.Element = require(26);
Chart.elements = require(40);
Chart.Interaction = require(28);
Chart.platform = require(48);
require(31)(Chart);
require(22)(Chart);
require(23)(Chart);
require(24)(Chart);
require(30)(Chart);
require(33)(Chart);
require(32)(Chart);
require(35)(Chart);
require(54)(Chart);
require(52)(Chart);
require(53)(Chart);
require(55)(Chart);
require(56)(Chart);
require(57)(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(21)(Chart);
require(8)(Chart);
require(9)(Chart);
require(10)(Chart);
require(11)(Chart);
require(12)(Chart);
require(13)(Chart);
require(14)(Chart);
// Loading built-it plugins
var plugins = [];
plugins.push(
require(49)(Chart),
require(50)(Chart),
require(51)(Chart)
);
Chart.plugins.register(plugins);
Chart.platform.initialize();
module.exports = Chart;
if (typeof window !== 'undefined') {
window.Chart = Chart;
}
// DEPRECATIONS
/**
* Provided for backward compatibility, use Chart.helpers.canvas instead.
* @namespace Chart.canvasHelpers
* @deprecated since version 2.6.0
* @todo remove at version 3
* @private
*/
Chart.canvasHelpers = Chart.helpers.canvas;
},{"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,"35":35,"40":40,"45":45,"48":48,"49":49,"50":50,"51":51,"52":52,"53":53,"54":54,"55":55,"56":56,"57":57,"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) {
Chart.Scatter = function(context, config) {
config.type = 'scatter';
return new Chart(context, config);
};
};
},{}],15:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('bar', {
hover: {
mode: 'label'
},
scales: {
xAxes: [{
type: 'category',
// Specific to Bar Controller
categoryPercentage: 0.8,
barPercentage: 0.9,
// offset settings
offset: true,
// grid line settings
gridLines: {
offsetGridLines: true
}
}],
yAxes: [{
type: 'linear'
}]
}
});
defaults._set('horizontalBar', {
hover: {
mode: 'index',
axis: 'y'
},
scales: {
xAxes: [{
type: 'linear',
position: 'bottom'
}],
yAxes: [{
position: 'left',
type: 'category',
// Specific to Horizontal Bar Controller
categoryPercentage: 0.8,
barPercentage: 0.9,
// offset settings
offset: true,
// grid line settings
gridLines: {
offsetGridLines: true
}
}]
},
elements: {
rectangle: {
borderSkipped: 'left'
}
},
tooltips: {
callbacks: {
title: function(item, data) {
// Pick first xLabel for now
var title = '';
if (item.length > 0) {
if (item[0].yLabel) {
title = item[0].yLabel;
} else if (data.labels.length > 0 && item[0].index < data.labels.length) {
title = data.labels[item[0].index];
}
}
return title;
},
label: function(item, data) {
var datasetLabel = data.datasets[item.datasetIndex].label || '';
return datasetLabel + ': ' + item.xLabel;
}
},
mode: 'index',
axis: 'y'
}
});
module.exports = function(Chart) {
Chart.controllers.bar = Chart.DatasetController.extend({
dataElementType: elements.Rectangle,
initialize: function() {
var me = this;
var meta;
Chart.DatasetController.prototype.initialize.apply(me, arguments);
meta = me.getMeta();
meta.stack = me.getDataset().stack;
meta.bar = true;
},
update: function(reset) {
var me = this;
var rects = me.getMeta().data;
var i, ilen;
me._ruler = me.getRuler();
for (i = 0, ilen = rects.length; i < ilen; ++i) {
me.updateElement(rects[i], i, reset);
}
},
updateElement: function(rectangle, index, reset) {
var me = this;
var chart = me.chart;
var meta = me.getMeta();
var dataset = me.getDataset();
var custom = rectangle.custom || {};
var rectangleOptions = chart.options.elements.rectangle;
rectangle._xScale = me.getScaleForId(meta.xAxisID);
rectangle._yScale = me.getScaleForId(meta.yAxisID);
rectangle._datasetIndex = me.index;
rectangle._index = index;
rectangle._model = {
datasetLabel: dataset.label,
label: chart.data.labels[index],
borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped,
backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor),
borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor),
borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth)
};
me.updateElementGeometry(rectangle, index, reset);
rectangle.pivot();
},
/**
* @private
*/
updateElementGeometry: function(rectangle, index, reset) {
var me = this;
var model = rectangle._model;
var vscale = me.getValueScale();
var base = vscale.getBasePixel();
var horizontal = vscale.isHorizontal();
var ruler = me._ruler || me.getRuler();
var vpixels = me.calculateBarValuePixels(me.index, index);
var ipixels = me.calculateBarIndexPixels(me.index, index, ruler);
model.horizontal = horizontal;
model.base = reset ? base : vpixels.base;
model.x = horizontal ? reset ? base : vpixels.head : ipixels.center;
model.y = horizontal ? ipixels.center : reset ? base : vpixels.head;
model.height = horizontal ? ipixels.size : undefined;
model.width = horizontal ? undefined : ipixels.size;
},
/**
* @private
*/
getValueScaleId: function() {
return this.getMeta().yAxisID;
},
/**
* @private
*/
getIndexScaleId: function() {
return this.getMeta().xAxisID;
},
/**
* @private
*/
getValueScale: function() {
return this.getScaleForId(this.getValueScaleId());
},
/**
* @private
*/
getIndexScale: function() {
return this.getScaleForId(this.getIndexScaleId());
},
/**
* Returns the effective number of stacks based on groups and bar visibility.
* @private
*/
getStackCount: function(last) {
var me = this;
var chart = me.chart;
var scale = me.getIndexScale();
var stacked = scale.options.stacked;
var ilen = last === undefined ? chart.data.datasets.length : last + 1;
var stacks = [];
var i, meta;
for (i = 0; i < ilen; ++i) {
meta = chart.getDatasetMeta(i);
if (meta.bar && chart.isDatasetVisible(i) &&
(stacked === false ||
(stacked === true && stacks.indexOf(meta.stack) === -1) ||
(stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) {
stacks.push(meta.stack);
}
}
return stacks.length;
},
/**
* Returns the stack index for the given dataset based on groups and bar visibility.
* @private
*/
getStackIndex: function(datasetIndex) {
return this.getStackCount(datasetIndex) - 1;
},
/**
* @private
*/
getRuler: function() {
var me = this;
var scale = me.getIndexScale();
var stackCount = me.getStackCount();
var datasetIndex = me.index;
var pixels = [];
var isHorizontal = scale.isHorizontal();
var start = isHorizontal ? scale.left : scale.top;
var end = start + (isHorizontal ? scale.width : scale.height);
var i, ilen;
for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) {
pixels.push(scale.getPixelForValue(null, i, datasetIndex));
}
return {
pixels: pixels,
start: start,
end: end,
stackCount: stackCount,
scale: scale
};
},
/**
* Note: pixel values are not clamped to the scale area.
* @private
*/
calculateBarValuePixels: function(datasetIndex, index) {
var me = this;
var chart = me.chart;
var meta = me.getMeta();
var scale = me.getValueScale();
var datasets = chart.data.datasets;
var value = scale.getRightValue(datasets[datasetIndex].data[index]);
var stacked = scale.options.stacked;
var stack = meta.stack;
var start = 0;
var i, imeta, ivalue, base, head, size;
if (stacked || (stacked === undefined && stack !== undefined)) {
for (i = 0; i < datasetIndex; ++i) {
imeta = chart.getDatasetMeta(i);
if (imeta.bar &&
imeta.stack === stack &&
imeta.controller.getValueScaleId() === scale.id &&
chart.isDatasetVisible(i)) {
ivalue = scale.getRightValue(datasets[i].data[index]);
if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) {
start += ivalue;
}
}
}
}
base = scale.getPixelForValue(start);
head = scale.getPixelForValue(start + value);
size = (head - base) / 2;
return {
size: size,
base: base,
head: head,
center: head + size / 2
};
},
/**
* @private
*/
calculateBarIndexPixels: function(datasetIndex, index, ruler) {
var me = this;
var options = ruler.scale.options;
var stackIndex = me.getStackIndex(datasetIndex);
var pixels = ruler.pixels;
var base = pixels[index];
var length = pixels.length;
var start = ruler.start;
var end = ruler.end;
var leftSampleSize, rightSampleSize, leftCategorySize, rightCategorySize, fullBarSize, size;
if (length === 1) {
leftSampleSize = base > start ? base - start : end - base;
rightSampleSize = base < end ? end - base : base - start;
} else {
if (index > 0) {
leftSampleSize = (base - pixels[index - 1]) / 2;
if (index === length - 1) {
rightSampleSize = leftSampleSize;
}
}
if (index < length - 1) {
rightSampleSize = (pixels[index + 1] - base) / 2;
if (index === 0) {
leftSampleSize = rightSampleSize;
}
}
}
leftCategorySize = leftSampleSize * options.categoryPercentage;
rightCategorySize = rightSampleSize * options.categoryPercentage;
fullBarSize = (leftCategorySize + rightCategorySize) / ruler.stackCount;
size = fullBarSize * options.barPercentage;
size = Math.min(
helpers.valueOrDefault(options.barThickness, size),
helpers.valueOrDefault(options.maxBarThickness, Infinity));
base -= leftCategorySize;
base += fullBarSize * stackIndex;
base += (fullBarSize - size) / 2;
return {
size: size,
base: base,
head: base + size,
center: base + size / 2
};
},
draw: function() {
var me = this;
var chart = me.chart;
var scale = me.getValueScale();
var rects = me.getMeta().data;
var dataset = me.getDataset();
var ilen = rects.length;
var i = 0;
helpers.canvas.clipArea(chart.ctx, chart.chartArea);
for (; i < ilen; ++i) {
if (!isNaN(scale.getRightValue(dataset.data[i]))) {
rects[i].draw();
}
}
helpers.canvas.unclipArea(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.valueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.getHoverColor(model.borderColor));
model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(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.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleElementOptions.backgroundColor);
model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleElementOptions.borderColor);
model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleElementOptions.borderWidth);
}
});
Chart.controllers.horizontalBar = Chart.controllers.bar.extend({
/**
* @private
*/
getValueScaleId: function() {
return this.getMeta().xAxisID;
},
/**
* @private
*/
getIndexScaleId: function() {
return this.getMeta().yAxisID;
}
});
};
},{"25":25,"40":40,"45":45}],16:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('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(item, data) {
var datasetLabel = data.datasets[item.datasetIndex].label || '';
var dataPoint = data.datasets[item.datasetIndex].data[item.index];
return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')';
}
}
}
});
module.exports = function(Chart) {
Chart.controllers.bubble = Chart.DatasetController.extend({
/**
* @protected
*/
dataElementType: elements.Point,
/**
* @protected
*/
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);
});
},
/**
* @protected
*/
updateElement: function(point, index, reset) {
var me = this;
var meta = me.getMeta();
var custom = point.custom || {};
var xScale = me.getScaleForId(meta.xAxisID);
var yScale = me.getScaleForId(meta.yAxisID);
var options = me._resolveElementOptions(point, index);
var data = me.getDataset().data[index];
var dsIndex = me.index;
var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex);
var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex);
point._xScale = xScale;
point._yScale = yScale;
point._options = options;
point._datasetIndex = dsIndex;
point._index = index;
point._model = {
backgroundColor: options.backgroundColor,
borderColor: options.borderColor,
borderWidth: options.borderWidth,
hitRadius: options.hitRadius,
pointStyle: options.pointStyle,
radius: reset ? 0 : options.radius,
skip: custom.skip || isNaN(x) || isNaN(y),
x: x,
y: y,
};
point.pivot();
},
/**
* @protected
*/
setHoverStyle: function(point) {
var model = point._model;
var options = point._options;
model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor));
model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor));
model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth);
model.radius = options.radius + options.hoverRadius;
},
/**
* @protected
*/
removeHoverStyle: function(point) {
var model = point._model;
var options = point._options;
model.backgroundColor = options.backgroundColor;
model.borderColor = options.borderColor;
model.borderWidth = options.borderWidth;
model.radius = options.radius;
},
/**
* @private
*/
_resolveElementOptions: function(point, index) {
var me = this;
var chart = me.chart;
var datasets = chart.data.datasets;
var dataset = datasets[me.index];
var custom = point.custom || {};
var options = chart.options.elements.point;
var resolve = helpers.options.resolve;
var data = dataset.data[index];
var values = {};
var i, ilen, key;
// Scriptable options
var context = {
chart: chart,
dataIndex: index,
dataset: dataset,
datasetIndex: me.index
};
var keys = [
'backgroundColor',
'borderColor',
'borderWidth',
'hoverBackgroundColor',
'hoverBorderColor',
'hoverBorderWidth',
'hoverRadius',
'hitRadius',
'pointStyle'
];
for (i = 0, ilen = keys.length; i < ilen; ++i) {
key = keys[i];
values[key] = resolve([
custom[key],
dataset[key],
options[key]
], context, index);
}
// Custom radius resolution
values.radius = resolve([
custom.radius,
data ? data.r : undefined,
dataset.radius,
options.radius
], context, index);
return values;
}
});
};
},{"25":25,"40":40,"45":45}],17:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('doughnut', {
animation: {
// Boolean - Whether we animate the rotation of the Doughnut
animateRotate: true,
// Boolean - Whether we animate scaling the Doughnut from the centre
animateScale: false
},
hover: {
mode: 'single'
},
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 valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
var arcOpts = chart.options.elements.arc;
var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(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._set('pie', helpers.clone(defaults.doughnut));
defaults._set('pie', {
cutoutPercentage: 0
});
module.exports = function(Chart) {
Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({
dataElementType: 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;
var chartArea = chart.chartArea;
var opts = chart.options;
var arcOpts = opts.elements.arc;
var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth;
var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth;
var minSize = Math.min(availableWidth, availableHeight);
var offset = {x: 0, y: 0};
var meta = me.getMeta();
var cutoutPercentage = opts.cutoutPercentage;
var 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 && endAngle >= 0) || (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;
var chartArea = chart.chartArea;
var opts = chart.options;
var animationOpts = opts.animation;
var centerX = (chartArea.left + chartArea.right) / 2;
var centerY = (chartArea.top + chartArea.bottom) / 2;
var startAngle = opts.rotation; // non reset case handled later
var endAngle = opts.rotation; // non reset case handled later
var dataset = me.getDataset();
var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI));
var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius;
var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius;
var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
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(arcs) {
var max = 0;
var index = this.index;
var length = arcs.length;
var borderWidth;
var hoverWidth;
for (var i = 0; i < length; i++) {
borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0;
hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0;
max = borderWidth > max ? borderWidth : max;
max = hoverWidth > max ? hoverWidth : max;
}
return max;
}
});
};
},{"25":25,"40":40,"45":45}],18:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('line', {
showLines: true,
spanGaps: false,
hover: {
mode: 'label'
},
scales: {
xAxes: [{
type: 'category',
id: 'x-axis-0'
}],
yAxes: [{
type: 'linear',
id: 'y-axis-0'
}]
}
});
module.exports = function(Chart) {
function lineEnabled(dataset, options) {
return helpers.valueOrDefault(dataset.showLine, options.showLines);
}
Chart.controllers.line = Chart.DatasetController.extend({
datasetElementType: elements.Line,
dataElementType: 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.valueOrDefault(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.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped),
cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode),
};
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.valueAtIndexOrDefault(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.valueAtIndexOrDefault(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) || helpers.isArray(dataset.pointBorderWidth)) {
borderWidth = helpers.valueAtIndexOrDefault(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;
// 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);
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.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius),
pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(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.valueAtIndexOrDefault(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() {
var me = this;
var chart = me.chart;
var meta = me.getMeta();
var points = meta.data || [];
var area = chart.chartArea;
var ilen = points.length;
var i = 0;
helpers.canvas.clipArea(chart.ctx, area);
if (lineEnabled(me.getDataset(), chart.options)) {
meta.dataset.draw();
}
helpers.canvas.unclipArea(chart.ctx);
// Draw the points
for (; i < ilen; ++i) {
points[i].draw(area);
}
},
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.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));
model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(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.valueAtIndexOrDefault(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);
}
});
};
},{"25":25,"40":40,"45":45}],19:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('polarArea', {
scale: {
type: 'radialLinear',
angleLines: {
display: false
},
gridLines: {
circular: true
},
pointLabels: {
display: false
},
ticks: {
beginAtZero: true
}
},
// Boolean - Whether to animate the rotation of the chart
animation: {
animateRotate: true,
animateScale: true
},
startAngle: -0.5 * Math.PI,
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 valueAtIndexOrDefault = helpers.valueAtIndexOrDefault;
var arcOpts = chart.options.elements.arc;
var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor);
var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor);
var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(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(item, data) {
return data.labels[item.index] + ': ' + item.yLabel;
}
}
}
});
module.exports = function(Chart) {
Chart.controllers.polarArea = Chart.DatasetController.extend({
dataElementType: 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 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: helpers.valueAtIndexOrDefault(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;
}
});
};
},{"25":25,"40":40,"45":45}],20:[function(require,module,exports){
'use strict';
var defaults = require(25);
var elements = require(40);
var helpers = require(45);
defaults._set('radar', {
scale: {
type: 'radialLinear'
},
elements: {
line: {
tension: 0 // no bezier in radar
}
}
});
module.exports = function(Chart) {
Chart.controllers.radar = Chart.DatasetController.extend({
datasetElementType: elements.Line,
dataElementType: 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,
_scale: scale,
// Data
_children: points,
_loop: true,
// Model
_model: {
// Appearance
tension: custom.tension ? custom.tension : helpers.valueOrDefault(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),
}
});
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]);
// 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;
}
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.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension),
radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius),
backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor),
borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor),
borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth),
pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle),
// Tooltip
hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, 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();
});
},
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.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor));
model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor));
model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(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.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius);
model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor);
model.borderColor = custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor);
model.borderWidth = custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth);
}
});
};
},{"25":25,"40":40,"45":45}],21:[function(require,module,exports){
'use strict';
var defaults = require(25);
defaults._set('scatter', {
hover: {
mode: 'single'
},
scales: {
xAxes: [{
id: 'x-axis-1', // need an ID so datasets can reference the scale
type: 'linear', // scatter should not use a category axis
position: 'bottom'
}],
yAxes: [{
id: 'y-axis-1',
type: 'linear',
position: 'left'
}]
},
showLines: false,
tooltips: {
callbacks: {
title: function() {
return ''; // doesn't make sense for scatter since data are formatted as a point
},
label: function(item) {
return '(' + item.xLabel + ', ' + item.yLabel + ')';
}
}
}
});
module.exports = function(Chart) {
// Scatter charts use line controllers
Chart.controllers.scatter = Chart.controllers.line;
};
},{"25":25}],22:[function(require,module,exports){
/* global window: false */
'use strict';
var defaults = require(25);
var Element = require(26);
var helpers = require(45);
defaults._set('global', {
animation: {
duration: 1000,
easing: 'easeOutQuart',
onProgress: helpers.noop,
onComplete: helpers.noop
}
});
module.exports = function(Chart) {
Chart.Animation = Element.extend({
chart: null, // the animation associated chart instance
currentStep: 0, // 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,
/**
* @param {Chart} chart - The chart to animate.
* @param {Chart.Animation} animation - The animation that we will animate.
* @param {Number} duration - The animation duration in ms.
* @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions
*/
addAnimation: function(chart, animation, duration, lazy) {
var animations = this.animations;
var i, ilen;
animation.chart = chart;
if (!lazy) {
chart.animating = true;
}
for (i = 0, ilen = animations.length; i < ilen; ++i) {
if (animations[i].chart === chart) {
animations[i] = animation;
return;
}
}
animations.push(animation);
// If there are no animations queued, manually kickstart a digest, for lack of a better word
if (animations.length === 1) {
this.requestAnimationFrame();
}
},
cancelAnimation: function(chart) {
var index = helpers.findIndex(this.animations, function(animation) {
return animation.chart === chart;
});
if (index !== -1) {
this.animations.splice(index, 1);
chart.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();
});
}
},
/**
* @private
*/
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;
}
me.advance(1 + framesToDrop);
var endTime = Date.now();
me.dropFrames += (endTime - startTime) / me.frameDuration;
// Do we have more stuff to animate?
if (me.animations.length > 0) {
me.requestAnimationFrame();
}
},
/**
* @private
*/
advance: function(count) {
var animations = this.animations;
var animation, chart;
var i = 0;
while (i < animations.length) {
animation = animations[i];
chart = animation.chart;
animation.currentStep = (animation.currentStep || 0) + count;
animation.currentStep = Math.min(animation.currentStep, animation.numSteps);
helpers.callback(animation.render, [chart, animation], chart);
helpers.callback(animation.onAnimationProgress, [animation], chart);
if (animation.currentStep >= animation.numSteps) {
helpers.callback(animation.onAnimationComplete, [animation], chart);
chart.animating = false;
animations.splice(i, 1);
} else {
++i;
}
}
}
};
/**
* Provided for backward compatibility, use Chart.Animation instead
* @prop Chart.Animation#animationObject
* @deprecated since version 2.6.0
* @todo remove at version 3
*/
Object.defineProperty(Chart.Animation.prototype, 'animationObject', {
get: function() {
return this;
}
});
/**
* Provided for backward compatibility, use Chart.Animation#chart instead
* @prop Chart.Animation#chartInstance
* @deprecated since version 2.6.0
* @todo remove at version 3
*/
Object.defineProperty(Chart.Animation.prototype, 'chartInstance', {
get: function() {
return this.chart;
},
set: function(value) {
this.chart = value;
}
});
};
},{"25":25,"26":26,"45":45}],23:[function(require,module,exports){
'use strict';
var defaults = require(25);
var helpers = require(45);
var Interaction = require(28);
var platform = require(48);
module.exports = function(Chart) {
var plugins = Chart.plugins;
// 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(
defaults.global,
defaults[config.type],
config.options || {});
return config;
}
/**
* Updates the config of the chart
* @param chart {Chart} 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;
}
function positionIsHorizontal(position) {
return position === 'top' || position === 'bottom';
}
helpers.extend(Chart.prototype, /** @lends Chart */ {
/**
* @private
*/
construct: function(item, config) {
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;
me.id = helpers.uid();
me.ctx = context;
me.canvas = canvas;
me.config = config;
me.width = width;
me.height = height;
me.aspectRatio = height ? width / height : null;
me.options = config.options;
me._bufferedRender = false;
/**
* Provided for backward compatibility, Chart and Chart.Controller have been merged,
* the "instance" still need to be defined since it might be called from plugins.
* @prop Chart#chart
* @deprecated since version 2.6.0
* @todo remove at version 3
* @private
*/
me.chart = me;
me.controller = me; // chart.chart.controller #inception
// Add the chart instance to the global namespace
Chart.instances[me.id] = me;
// Define alias to the config data: `chart.data === chart.config.data`
Object.defineProperty(me, 'data', {
get: function() {
return me.config.data;
},
set: function(value) {
me.config.data = value;
}
});
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.initialize();
me.update();
},
/**
* @private
*/
initialize: function() {
var me = this;
// Before init plugin notification
plugins.notify(me, 'beforeInit');
helpers.retinaScale(me, me.options.devicePixelRatio);
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.canvas.clear(this);
return this;
},
stop: function() {
// Stops any current animation loop occurring
Chart.animationService.cancelAnimation(this);
return this;
},
resize: function(silent) {
var me = this;
var options = me.options;
var canvas = me.canvas;
var aspectRatio = (options.maintainAspectRatio && me.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.
// Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collased
var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas)));
var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas)));
if (me.width === newWidth && me.height === newHeight) {
return;
}
canvas.width = me.width = newWidth;
canvas.height = me.height = newHeight;
canvas.style.width = newWidth + 'px';
canvas.style.height = newHeight + 'px';
helpers.retinaScale(me, options.devicePixelRatio);
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', dposition: 'bottom'};
}),
(options.scales.yAxes || []).map(function(yAxisOptions) {
return {options: yAxisOptions, dtype: 'linear', dposition: 'left'};
})
);
}
if (options.scale) {
items.push({
options: options.scale,
dtype: 'radialLinear',
isDefault: true,
dposition: 'chartArea'
});
}
helpers.each(items, function(item) {
var scaleOptions = item.options;
var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype);
var scaleClass = Chart.scaleService.getScaleConstructor(scaleType);
if (!scaleClass) {
return;
}
if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) {
scaleOptions.position = item.dposition;
}
var scale = new scaleClass({
id: scaleOptions.id,
options: scaleOptions,
ctx: me.ctx,
chart: me
});
scales[scale.id] = scale;
scale.mergeTicksOptions();
// 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);
var type = dataset.type || me.config.type;
if (meta.type && meta.type !== type) {
me.destroyDatasetMeta(datasetIndex);
meta = me.getDatasetMeta(datasetIndex);
}
meta.type = type;
types.push(meta.type);
if (meta.controller) {
meta.controller.updateIndex(datasetIndex);
} else {
var ControllerClass = Chart.controllers[meta.type];
if (ControllerClass === undefined) {
throw new Error('"' + meta.type + '" is not a chart type.');
}
meta.controller = new ControllerClass(me, datasetIndex);
newControllers.push(meta.controller);
}
}, me);
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(config) {
var me = this;
if (!config || typeof config !== 'object') {
// backwards compatibility
config = {
duration: config,
lazy: arguments[1]
};
}
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 = {
duration: config.duration,
easing: config.easing,
lazy: config.lazy
};
} else {
me.render(config);
}
},
/**
* 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.width, this.height);
/**
* Provided for backward compatibility, use `afterLayout` instead.
* @method IPlugin#afterScaleUpdate
* @deprecated since version 2.5.0
* @todo remove at version 3
* @private
*/
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.updateDataset(i);
}
plugins.notify(me, 'afterDatasetsUpdate');
},
/**
* Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate`
* hook, in which case, plugins will not be called on `afterDatasetUpdate`.
* @private
*/
updateDataset: function(index) {
var me = this;
var meta = me.getDatasetMeta(index);
var args = {
meta: meta,
index: index
};
if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) {
return;
}
meta.controller.update();
plugins.notify(me, 'afterDatasetUpdate', [args]);
},
render: function(config) {
var me = this;
if (!config || typeof config !== 'object') {
// backwards compatibility
config = {
duration: config,
lazy: arguments[1]
};
}
var duration = config.duration;
var lazy = config.lazy;
if (plugins.notify(me, 'beforeRender') === false) {
return;
}
var animationOptions = me.options.animation;
var onComplete = function(animation) {
plugins.notify(me, 'afterRender');
helpers.callback(animationOptions && animationOptions.onComplete, [animation], me);
};
if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) {
var animation = new Chart.Animation({
numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps
easing: config.easing || animationOptions.easing,
render: function(chart, animationObject) {
var easingFunction = helpers.easing.effects[animationObject.easing];
var currentStep = animationObject.currentStep;
var stepDecimal = currentStep / animationObject.numSteps;
chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep);
},
onAnimationProgress: animationOptions.onProgress,
onAnimationComplete: onComplete
});
Chart.animationService.addAnimation(me, animation, duration, lazy);
} else {
me.draw();
// See https://github.com/chartjs/Chart.js/issues/3781
onComplete(new Chart.Animation({numSteps: 0, chart: me}));
}
return me;
},
draw: function(easingValue) {
var me = this;
me.clear();
if (helpers.isNullOrUndef(easingValue)) {
easingValue = 1;
}
me.transition(easingValue);
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.draw();
plugins.notify(me, 'afterDraw', [easingValue]);
},
/**
* @private
*/
transition: function(easingValue) {
var me = this;
for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) {
if (me.isDatasetVisible(i)) {
me.getDatasetMeta(i).controller.transition(easingValue);
}
}
me.tooltip.transition(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 datasets reversed to support proper line stacking
for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) {
if (me.isDatasetVisible(i)) {
me.drawDataset(i, easingValue);
}
}
plugins.notify(me, 'afterDatasetsDraw', [easingValue]);
},
/**
* Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw`
* hook, in which case, plugins will not be called on `afterDatasetDraw`.
* @private
*/
drawDataset: function(index, easingValue) {
var me = this;
var meta = me.getDatasetMeta(index);
var args = {
meta: meta,
index: index,
easingValue: easingValue
};
if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) {
return;
}
meta.controller.draw(easingValue);
plugins.notify(me, 'afterDatasetDraw', [args]);
},
// 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 Interaction.modes.single(this, e);
},
getElementsAtEvent: function(e) {
return Interaction.modes.label(this, e, {intersect: true});
},
getElementsAtXAxis: function(e) {
return Interaction.modes['x-axis'](this, e, {intersect: true});
},
getElementsAtEventForMode: function(e, mode, options) {
var method = Interaction.modes[mode];
if (typeof method === 'function') {
return method(this, e, options);
}
return [];
},
getDatasetAtEvent: function(e) {
return 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);
},
/**
* @private
*/
destroyDatasetMeta: function(datasetIndex) {
var id = this.id;
var dataset = this.data.datasets[datasetIndex];
var meta = dataset._meta && dataset._meta[id];
if (meta) {
meta.controller.destroy();
delete dataset._meta[id];
}
},
destroy: function() {
var me = this;
var canvas = me.canvas;
var i, ilen;
me.stop();
// dataset controllers need to cleanup associated data
for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) {
me.destroyDatasetMeta(i);
}
if (canvas) {
me.unbindEvents();
helpers.canvas.clear(me);
platform.releaseContext(me.ctx);
me.canvas = null;
me.ctx = null;
}
plugins.notify(me, 'destroy');
delete Chart.instances[me.id];
},
toBase64Image: function() {
return this.canvas.toDataURL.apply(this.canvas, arguments);
},
initToolTip: function() {
var me = this;
me.tooltip = new Chart.Tooltip({
_chart: me,
_chartInstance: me, // deprecated, backward compatibility
_data: me.data,
_options: me.options.tooltips
}, me);
},
/**
* @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;
});
// Elements used to detect size change should not be injected for non responsive charts.
// 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);
} 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);
}
// Invoke onHover hook
// Need to call with native event here to not break backwards compatibility
helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me);
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;
}
});
/**
* Provided for backward compatibility, use Chart instead.
* @class Chart.Controller
* @deprecated since version 2.6.0
* @todo remove at version 3
* @private
*/
Chart.Controller = Chart;
};
},{"25":25,"28":28,"45":45,"48":48}],24:[function(require,module,exports){
'use strict';
var helpers = require(45);
module.exports = function(Chart) {
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,
_datasetIndex: me.index
});
},
createMetaData: function(index) {
var me = this;
var type = me.dataElementType;
return type && new type({
_chart: me.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);