+++ /dev/null
-(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 */
-
-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;
-}
-
-},{}],3:[function(require,module,exports){
-var conversions = require("./conversions");
-
-var convert = function() {
- return new Converter();
-}
-
-for (var func in conversions) {
- // export Raw versions
- convert[func + "Raw"] = (function(func) {
- // accept array or plain args
- return function(arg) {
- if (typeof arg == "number")
- arg = Array.prototype.slice.call(arguments);
- return conversions[func](arg);
- }
- })(func);
-
- var pair = /(\w+)2(\w+)/.exec(func),
- from = pair[1],
- to = pair[2];
-
- // export rgb2hsl and ["rgb"]["hsl"]
- convert[from] = convert[from] || {};
-
- convert[from][to] = convert[func] = (function(func) {
- return function(arg) {
- if (typeof arg == "number")
- arg = Array.prototype.slice.call(arguments);
-
- var val = conversions[func](arg);
- if (typeof val == "string" || val === undefined)
- return val; // keyword
-
- for (var i = 0; i < val.length; i++)
- val[i] = Math.round(val[i]);
- return val;
- }
- })(func);
-}
-
-
-/* Converter does lazy conversion and caching */
-var Converter = function() {
- this.convs = {};
-};
-
-/* Either get the values for a space or
- set the values for a space, depending on args */
-Converter.prototype.routeSpace = function(space, args) {
- var values = args[0];
- if (values === undefined) {
- // color.rgb()
- return this.getValues(space);
- }
- // color.rgb(10, 10, 10)
- if (typeof values == "number") {
- values = Array.prototype.slice.call(args);
- }
-
- return this.setValues(space, values);
-};
-
-/* Set the values for a space, invalidating cache */
-Converter.prototype.setValues = function(space, values) {
- this.space = space;
- this.convs = {};
- this.convs[space] = values;
- return this;
-};
-
-/* Get the values for a space. If there's already
- a conversion for the space, fetch it, otherwise
- compute it */
-Converter.prototype.getValues = function(space) {
- var vals = this.convs[space];
- if (!vals) {
- var fspace = this.space,
- from = this.convs[fspace];
- vals = convert[fspace][space](from);
-
- this.convs[space] = vals;
- }
- return vals;
-};
-
-["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) {
- Converter.prototype[space] = function(vals) {
- return this.routeSpace(space, arguments);
- }
-});
-
-module.exports = convert;
-},{"./conversions":2}],4:[function(require,module,exports){
-/* MIT license */
-var colorNames = require('color-name');
-
-module.exports = {
- getRgba: getRgba,
- getHsla: getHsla,
- getRgb: getRgb,
- getHsl: getHsl,
- getHwb: getHwb,
- getAlpha: getAlpha,
-
- hexString: hexString,
- rgbString: rgbString,
- rgbaString: rgbaString,
- percentString: percentString,
- percentaString: percentaString,
- hslString: hslString,
- hslaString: hslaString,
- hwbString: hwbString,
- keyword: keyword
-}
-
-function getRgba(string) {
- if (!string) {
- return;
- }
- var abbr = /^#([a-fA-F0-9]{3})$/,
- hex = /^#([a-fA-F0-9]{6})$/,
- rgba = /^rgba?\(\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*,\s*([+-]?\d+)\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/,
- per = /^rgba?\(\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*,\s*([+-]?[\d\.]+)\%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)$/,
- keyword = /(\w+)/;
-
- var rgb = [0, 0, 0],
- a = 1,
- match = string.match(abbr);
- if (match) {
- match = match[1];
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match[i] + match[i], 16);
- }
- }
- else if (match = string.match(hex)) {
- match = match[1];
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match.slice(i * 2, i * 2 + 2), 16);
- }
- }
- else if (match = string.match(rgba)) {
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = parseInt(match[i + 1]);
- }
- a = parseFloat(match[4]);
- }
- else if (match = string.match(per)) {
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = Math.round(parseFloat(match[i + 1]) * 2.55);
- }
- a = parseFloat(match[4]);
- }
- else if (match = string.match(keyword)) {
- if (match[1] == "transparent") {
- return [0, 0, 0, 0];
- }
- rgb = colorNames[match[1]];
- if (!rgb) {
- return;
- }
- }
-
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = scale(rgb[i], 0, 255);
- }
- if (!a && a != 0) {
- a = 1;
- }
- else {
- a = scale(a, 0, 1);
- }
- rgb[3] = a;
- return rgb;
-}
-
-function getHsla(string) {
- if (!string) {
- return;
- }
- var hsl = /^hsla?\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
- var match = string.match(hsl);
- if (match) {
- var alpha = parseFloat(match[4]);
- var h = scale(parseInt(match[1]), 0, 360),
- s = scale(parseFloat(match[2]), 0, 100),
- l = scale(parseFloat(match[3]), 0, 100),
- a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
- return [h, s, l, a];
- }
-}
-
-function getHwb(string) {
- if (!string) {
- return;
- }
- var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/;
- var match = string.match(hwb);
- if (match) {
- var alpha = parseFloat(match[4]);
- var h = scale(parseInt(match[1]), 0, 360),
- w = scale(parseFloat(match[2]), 0, 100),
- b = scale(parseFloat(match[3]), 0, 100),
- a = scale(isNaN(alpha) ? 1 : alpha, 0, 1);
- return [h, w, b, a];
- }
-}
-
-function getRgb(string) {
- var rgba = getRgba(string);
- return rgba && rgba.slice(0, 3);
-}
-
-function getHsl(string) {
- var hsla = getHsla(string);
- return hsla && hsla.slice(0, 3);
-}
-
-function getAlpha(string) {
- var vals = getRgba(string);
- if (vals) {
- return vals[3];
- }
- else if (vals = getHsla(string)) {
- return vals[3];
- }
- else if (vals = getHwb(string)) {
- return vals[3];
- }
-}
-
-// generators
-function hexString(rgb) {
- return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1])
- + hexDouble(rgb[2]);
-}
-
-function rgbString(rgba, alpha) {
- if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
- return rgbaString(rgba, alpha);
- }
- return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")";
-}
-
-function rgbaString(rgba, alpha) {
- if (alpha === undefined) {
- alpha = (rgba[3] !== undefined ? rgba[3] : 1);
- }
- return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2]
- + ", " + alpha + ")";
-}
-
-function percentString(rgba, alpha) {
- if (alpha < 1 || (rgba[3] && rgba[3] < 1)) {
- return percentaString(rgba, alpha);
- }
- var r = Math.round(rgba[0]/255 * 100),
- g = Math.round(rgba[1]/255 * 100),
- b = Math.round(rgba[2]/255 * 100);
-
- return "rgb(" + r + "%, " + g + "%, " + b + "%)";
-}
-
-function percentaString(rgba, alpha) {
- var r = Math.round(rgba[0]/255 * 100),
- g = Math.round(rgba[1]/255 * 100),
- b = Math.round(rgba[2]/255 * 100);
- return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")";
-}
-
-function hslString(hsla, alpha) {
- if (alpha < 1 || (hsla[3] && hsla[3] < 1)) {
- return hslaString(hsla, alpha);
- }
- return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)";
-}
-
-function hslaString(hsla, alpha) {
- if (alpha === undefined) {
- alpha = (hsla[3] !== undefined ? hsla[3] : 1);
- }
- return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, "
- + alpha + ")";
-}
-
-// hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax
-// (hwb have alpha optional & 1 is default value)
-function hwbString(hwb, alpha) {
- if (alpha === undefined) {
- alpha = (hwb[3] !== undefined ? hwb[3] : 1);
- }
- return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%"
- + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")";
-}
-
-function keyword(rgb) {
- return reverseNames[rgb.slice(0, 3)];
-}
-
-// helpers
-function scale(num, min, max) {
- return Math.min(Math.max(min, num), max);
-}
-
-function hexDouble(num) {
- var str = num.toString(16).toUpperCase();
- return (str.length < 2) ? "0" + str : str;
-}
-
-
-//create a list of reverse color names
-var reverseNames = {};
-for (var name in colorNames) {
- reverseNames[colorNames[name]] = name;
-}
-
-},{"color-name":5}],5:[function(require,module,exports){
-module.exports = {\r
- "aliceblue": [240, 248, 255],\r
- "antiquewhite": [250, 235, 215],\r
- "aqua": [0, 255, 255],\r
- "aquamarine": [127, 255, 212],\r
- "azure": [240, 255, 255],\r
- "beige": [245, 245, 220],\r
- "bisque": [255, 228, 196],\r
- "black": [0, 0, 0],\r
- "blanchedalmond": [255, 235, 205],\r
- "blue": [0, 0, 255],\r
- "blueviolet": [138, 43, 226],\r
- "brown": [165, 42, 42],\r
- "burlywood": [222, 184, 135],\r
- "cadetblue": [95, 158, 160],\r
- "chartreuse": [127, 255, 0],\r
- "chocolate": [210, 105, 30],\r
- "coral": [255, 127, 80],\r
- "cornflowerblue": [100, 149, 237],\r
- "cornsilk": [255, 248, 220],\r
- "crimson": [220, 20, 60],\r
- "cyan": [0, 255, 255],\r
- "darkblue": [0, 0, 139],\r
- "darkcyan": [0, 139, 139],\r
- "darkgoldenrod": [184, 134, 11],\r
- "darkgray": [169, 169, 169],\r
- "darkgreen": [0, 100, 0],\r
- "darkgrey": [169, 169, 169],\r
- "darkkhaki": [189, 183, 107],\r
- "darkmagenta": [139, 0, 139],\r
- "darkolivegreen": [85, 107, 47],\r
- "darkorange": [255, 140, 0],\r
- "darkorchid": [153, 50, 204],\r
- "darkred": [139, 0, 0],\r
- "darksalmon": [233, 150, 122],\r
- "darkseagreen": [143, 188, 143],\r
- "darkslateblue": [72, 61, 139],\r
- "darkslategray": [47, 79, 79],\r
- "darkslategrey": [47, 79, 79],\r
- "darkturquoise": [0, 206, 209],\r
- "darkviolet": [148, 0, 211],\r
- "deeppink": [255, 20, 147],\r
- "deepskyblue": [0, 191, 255],\r
- "dimgray": [105, 105, 105],\r
- "dimgrey": [105, 105, 105],\r
- "dodgerblue": [30, 144, 255],\r
- "firebrick": [178, 34, 34],\r
- "floralwhite": [255, 250, 240],\r
- "forestgreen": [34, 139, 34],\r
- "fuchsia": [255, 0, 255],\r
- "gainsboro": [220, 220, 220],\r
- "ghostwhite": [248, 248, 255],\r
- "gold": [255, 215, 0],\r
- "goldenrod": [218, 165, 32],\r
- "gray": [128, 128, 128],\r
- "green": [0, 128, 0],\r
- "greenyellow": [173, 255, 47],\r
- "grey": [128, 128, 128],\r
- "honeydew": [240, 255, 240],\r
- "hotpink": [255, 105, 180],\r
- "indianred": [205, 92, 92],\r
- "indigo": [75, 0, 130],\r
- "ivory": [255, 255, 240],\r
- "khaki": [240, 230, 140],\r
- "lavender": [230, 230, 250],\r
- "lavenderblush": [255, 240, 245],\r
- "lawngreen": [124, 252, 0],\r
- "lemonchiffon": [255, 250, 205],\r
- "lightblue": [173, 216, 230],\r
- "lightcoral": [240, 128, 128],\r
- "lightcyan": [224, 255, 255],\r
- "lightgoldenrodyellow": [250, 250, 210],\r
- "lightgray": [211, 211, 211],\r
- "lightgreen": [144, 238, 144],\r
- "lightgrey": [211, 211, 211],\r
- "lightpink": [255, 182, 193],\r
- "lightsalmon": [255, 160, 122],\r
- "lightseagreen": [32, 178, 170],\r
- "lightskyblue": [135, 206, 250],\r
- "lightslategray": [119, 136, 153],\r
- "lightslategrey": [119, 136, 153],\r
- "lightsteelblue": [176, 196, 222],\r
- "lightyellow": [255, 255, 224],\r
- "lime": [0, 255, 0],\r
- "limegreen": [50, 205, 50],\r
- "linen": [250, 240, 230],\r
- "magenta": [255, 0, 255],\r
- "maroon": [128, 0, 0],\r
- "mediumaquamarine": [102, 205, 170],\r
- "mediumblue": [0, 0, 205],\r
- "mediumorchid": [186, 85, 211],\r
- "mediumpurple": [147, 112, 219],\r
- "mediumseagreen": [60, 179, 113],\r
- "mediumslateblue": [123, 104, 238],\r
- "mediumspringgreen": [0, 250, 154],\r
- "mediumturquoise": [72, 209, 204],\r
- "mediumvioletred": [199, 21, 133],\r
- "midnightblue": [25, 25, 112],\r
- "mintcream": [245, 255, 250],\r
- "mistyrose": [255, 228, 225],\r
- "moccasin": [255, 228, 181],\r
- "navajowhite": [255, 222, 173],\r
- "navy": [0, 0, 128],\r
- "oldlace": [253, 245, 230],\r
- "olive": [128, 128, 0],\r
- "olivedrab": [107, 142, 35],\r
- "orange": [255, 165, 0],\r
- "orangered": [255, 69, 0],\r
- "orchid": [218, 112, 214],\r
- "palegoldenrod": [238, 232, 170],\r
- "palegreen": [152, 251, 152],\r
- "paleturquoise": [175, 238, 238],\r
- "palevioletred": [219, 112, 147],\r
- "papayawhip": [255, 239, 213],\r
- "peachpuff": [255, 218, 185],\r
- "peru": [205, 133, 63],\r
- "pink": [255, 192, 203],\r
- "plum": [221, 160, 221],\r
- "powderblue": [176, 224, 230],\r
- "purple": [128, 0, 128],\r
- "rebeccapurple": [102, 51, 153],\r
- "red": [255, 0, 0],\r
- "rosybrown": [188, 143, 143],\r
- "royalblue": [65, 105, 225],\r
- "saddlebrown": [139, 69, 19],\r
- "salmon": [250, 128, 114],\r
- "sandybrown": [244, 164, 96],\r
- "seagreen": [46, 139, 87],\r
- "seashell": [255, 245, 238],\r
- "sienna": [160, 82, 45],\r
- "silver": [192, 192, 192],\r
- "skyblue": [135, 206, 235],\r
- "slateblue": [106, 90, 205],\r
- "slategray": [112, 128, 144],\r
- "slategrey": [112, 128, 144],\r
- "snow": [255, 250, 250],\r
- "springgreen": [0, 255, 127],\r
- "steelblue": [70, 130, 180],\r
- "tan": [210, 180, 140],\r
- "teal": [0, 128, 128],\r
- "thistle": [216, 191, 216],\r
- "tomato": [255, 99, 71],\r
- "turquoise": [64, 224, 208],\r
- "violet": [238, 130, 238],\r
- "wheat": [245, 222, 179],\r
- "white": [255, 255, 255],\r
- "whitesmoke": [245, 245, 245],\r
- "yellow": [255, 255, 0],\r
- "yellowgreen": [154, 205, 50]\r
-};
-},{}],6:[function(require,module,exports){
-/* MIT license */
-
-var convert = require("color-convert"),
- string = require("color-string");
-
-var Color = function(obj) {
- if (obj instanceof Color) return obj;
- if (!(this instanceof Color)) return new Color(obj);
-
- this.values = {
- rgb: [0, 0, 0],
- hsl: [0, 0, 0],
- hsv: [0, 0, 0],
- hwb: [0, 0, 0],
- cmyk: [0, 0, 0, 0],
- alpha: 1
- }
-
- // parse Color() argument
- if (typeof obj == "string") {
- var vals = string.getRgba(obj);
- if (vals) {
- this.setValues("rgb", vals);
- } else if (vals = string.getHsla(obj)) {
- this.setValues("hsl", vals);
- } else if (vals = string.getHwb(obj)) {
- this.setValues("hwb", vals);
- } else {
- throw new Error("Unable to parse color from string \"" + obj + "\"");
- }
- } else if (typeof obj == "object") {
- var vals = obj;
- if (vals["r"] !== undefined || vals["red"] !== undefined) {
- this.setValues("rgb", vals)
- } else if (vals["l"] !== undefined || vals["lightness"] !== undefined) {
- this.setValues("hsl", vals)
- } else if (vals["v"] !== undefined || vals["value"] !== undefined) {
- this.setValues("hsv", vals)
- } else if (vals["w"] !== undefined || vals["whiteness"] !== undefined) {
- this.setValues("hwb", vals)
- } else if (vals["c"] !== undefined || vals["cyan"] !== undefined) {
- this.setValues("cmyk", vals)
- } else {
- throw new Error("Unable to parse color from object " + JSON.stringify(obj));
- }
- }
-}
-
-Color.prototype = {
- rgb: function(vals) {
- return this.setSpace("rgb", arguments);
- },
- hsl: function(vals) {
- return this.setSpace("hsl", arguments);
- },
- hsv: function(vals) {
- return this.setSpace("hsv", arguments);
- },
- hwb: function(vals) {
- return this.setSpace("hwb", arguments);
- },
- cmyk: function(vals) {
- 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() {
- if (this.values.alpha !== 1) {
- return this.values.hwb.concat([this.values.alpha])
- }
- return this.values.hwb;
- },
- cmykArray: function() {
- return this.values.cmyk;
- },
- rgbaArray: function() {
- var rgb = this.values.rgb;
- return rgb.concat([this.values.alpha]);
- },
- hslaArray: function() {
- var hsl = this.values.hsl;
- return hsl.concat([this.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) {
- 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() {
- return (this.values.rgb[0] << 16) | (this.values.rgb[1] << 8) | this.values.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);
- return (contrastRatio >= 7.1) ? 'AAA' : (contrastRatio >= 4.5) ? 'AA' : '';
- },
-
- dark: function() {
- // YIQ equation from http://24ways.org/2010/calculating-color-contrast
- var rgb = this.values.rgb,
- 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) {
- this.values.hsl[2] += this.values.hsl[2] * ratio;
- this.setValues("hsl", this.values.hsl);
- return this;
- },
-
- darken: function(ratio) {
- this.values.hsl[2] -= this.values.hsl[2] * ratio;
- this.setValues("hsl", this.values.hsl);
- return this;
- },
-
- saturate: function(ratio) {
- this.values.hsl[1] += this.values.hsl[1] * ratio;
- this.setValues("hsl", this.values.hsl);
- return this;
- },
-
- desaturate: function(ratio) {
- this.values.hsl[1] -= this.values.hsl[1] * ratio;
- this.setValues("hsl", this.values.hsl);
- return this;
- },
-
- whiten: function(ratio) {
- this.values.hwb[1] += this.values.hwb[1] * ratio;
- this.setValues("hwb", this.values.hwb);
- return this;
- },
-
- blacken: function(ratio) {
- this.values.hwb[2] += this.values.hwb[2] * ratio;
- this.setValues("hwb", this.values.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) {
- this.setValues("alpha", this.values.alpha - (this.values.alpha * ratio));
- return this;
- },
-
- opaquer: function(ratio) {
- this.setValues("alpha", this.values.alpha + (this.values.alpha * ratio));
- return this;
- },
-
- rotate: function(degrees) {
- var hue = this.values.hsl[0];
- hue = (hue + degrees) % 360;
- hue = hue < 0 ? 360 + hue : hue;
- this.values.hsl[0] = hue;
- this.setValues("hsl", this.values.hsl);
- return this;
- },
-
- mix: function(color2, weight) {
- weight = 1 - (weight == null ? 0.5 : weight);
-
- // algorithm from Sass's mix(). Ratio of first color in mix is
- // determined by the alphas of both colors and the weight
- var t1 = weight * 2 - 1,
- d = this.alpha() - color2.alpha();
-
- var weight1 = (((t1 * d == -1) ? t1 : (t1 + d) / (1 + t1 * d)) + 1) / 2;
- var weight2 = 1 - weight1;
-
- var rgb = this.rgbArray();
- var rgb2 = color2.rgbArray();
-
- for (var i = 0; i < rgb.length; i++) {
- rgb[i] = rgb[i] * weight1 + rgb2[i] * weight2;
- }
- this.setValues("rgb", rgb);
-
- var alpha = this.alpha() * weight + color2.alpha() * (1 - weight);
- this.setValues("alpha", alpha);
-
- return this;
- },
-
- toJSON: function() {
- return this.rgb();
- },
-
- clone: function() {
- return new Color(this.rgb());
- }
-}
-
-
-Color.prototype.getValues = function(space) {
- var vals = {};
- for (var i = 0; i < space.length; i++) {
- vals[space.charAt(i)] = this.values[space][i];
- }
- if (this.values.alpha != 1) {
- vals["a"] = this.values.alpha;
- }
- // {r: 255, g: 255, b: 255, a: 0.4}
- return vals;
-}
-
-Color.prototype.setValues = function(space, vals) {
- var spaces = {
- "rgb": ["red", "green", "blue"],
- "hsl": ["hue", "saturation", "lightness"],
- "hsv": ["hue", "saturation", "value"],
- "hwb": ["hue", "whiteness", "blackness"],
- "cmyk": ["cyan", "magenta", "yellow", "black"]
- };
-
- var maxes = {
- "rgb": [255, 255, 255],
- "hsl": [360, 100, 100],
- "hsv": [360, 100, 100],
- "hwb": [360, 100, 100],
- "cmyk": [100, 100, 100, 100]
- };
-
- var alpha = 1;
- if (space == "alpha") {
- alpha = vals;
- } else if (vals.length) {
- // [10, 10, 10]
- this.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 (var i = 0; i < space.length; i++) {
- this.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 (var i = 0; i < space.length; i++) {
- this.values[space][i] = vals[chans[i]];
- }
- alpha = vals.alpha;
- }
- this.values.alpha = Math.max(0, Math.min(1, (alpha !== undefined ? alpha : this.values.alpha)));
- if (space == "alpha") {
- return;
- }
-
- // cap values of the space prior converting all values
- for (var i = 0; i < space.length; i++) {
- var capped = Math.max(0, Math.min(maxes[space][i], this.values[space][i]));
- this.values[space][i] = Math.round(capped);
- }
-
- // convert to all the other color spaces
- for (var sname in spaces) {
- if (sname != space) {
- this.values[sname] = convert[space][sname](this.values[space])
- }
-
- // cap values
- for (var i = 0; i < sname.length; i++) {
- var capped = Math.max(0, Math.min(maxes[sname][i], this.values[sname][i]));
- this.values[sname][i] = Math.round(capped);
- }
- }
- 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) {
- if (val === undefined) {
- // color.red()
- return this.values[space][index];
- }
- // color.red(100)
- this.values[space][index] = val;
- this.setValues(space, this.values[space]);
- return this;
-}
-
-window.Color = module.exports = Color
-
-},{"color-convert":3,"color-string":4}],7:[function(require,module,exports){
-/*!
- * Chart.js
- * http://chartjs.org/
- * Version: 2.0.2
- *
- * Copyright 2015 Nick Downie
- * Released under the MIT license
- * https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
- */
-
-
-var Chart = require('./core/core.js')();
-
-require('./core/core.helpers')(Chart);
-require('./core/core.element')(Chart);
-require('./core/core.animation')(Chart);
-require('./core/core.controller')(Chart);
-require('./core/core.datasetController')(Chart);
-require('./core/core.layoutService')(Chart);
-require('./core/core.legend')(Chart);
-require('./core/core.scale')(Chart);
-require('./core/core.scaleService')(Chart);
-require('./core/core.title')(Chart);
-require('./core/core.tooltip')(Chart);
-
-require('./controllers/controller.bar')(Chart);
-require('./controllers/controller.bubble')(Chart);
-require('./controllers/controller.doughnut')(Chart);
-require('./controllers/controller.line')(Chart);
-require('./controllers/controller.polarArea')(Chart);
-require('./controllers/controller.radar')(Chart);
-
-require('./scales/scale.category')(Chart);
-require('./scales/scale.linear')(Chart);
-require('./scales/scale.logarithmic')(Chart);
-require('./scales/scale.radialLinear')(Chart);
-require('./scales/scale.time')(Chart);
-
-require('./elements/element.arc')(Chart);
-require('./elements/element.line')(Chart);
-require('./elements/element.point')(Chart);
-require('./elements/element.rectangle')(Chart);
-
-require('./charts/Chart.Bar')(Chart);
-require('./charts/Chart.Bubble')(Chart);
-require('./charts/Chart.Doughnut')(Chart);
-require('./charts/Chart.Line')(Chart);
-require('./charts/Chart.PolarArea')(Chart);
-require('./charts/Chart.Radar')(Chart);
-require('./charts/Chart.Scatter')(Chart);
-
-window.Chart = module.exports = Chart;
-
-},{"./charts/Chart.Bar":8,"./charts/Chart.Bubble":9,"./charts/Chart.Doughnut":10,"./charts/Chart.Line":11,"./charts/Chart.PolarArea":12,"./charts/Chart.Radar":13,"./charts/Chart.Scatter":14,"./controllers/controller.bar":15,"./controllers/controller.bubble":16,"./controllers/controller.doughnut":17,"./controllers/controller.line":18,"./controllers/controller.polarArea":19,"./controllers/controller.radar":20,"./core/core.animation":21,"./core/core.controller":22,"./core/core.datasetController":23,"./core/core.element":24,"./core/core.helpers":25,"./core/core.js":26,"./core/core.layoutService":27,"./core/core.legend":28,"./core/core.scale":29,"./core/core.scaleService":30,"./core/core.title":31,"./core/core.tooltip":32,"./elements/element.arc":33,"./elements/element.line":34,"./elements/element.point":35,"./elements/element.rectangle":36,"./scales/scale.category":37,"./scales/scale.linear":38,"./scales/scale.logarithmic":39,"./scales/scale.radialLinear":40,"./scales/scale.time":41}],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) {
-
- var helpers = Chart.helpers;
-
- var defaultConfig = {
- aspectRatio: 1
- };
-
- Chart.Radar = function(context, config) {
- config.options = helpers.configMerge(defaultConfig, config.options);
- config.type = 'radar';
-
- return new Chart(context, config);
- };
-
-};
-
-},{}],14:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var defaultConfig = {
- hover: {
- mode: 'single'
- },
-
- scales: {
- xAxes: [{
- type: "linear", // scatter should not use a category axis
- position: "bottom",
- id: "x-axis-1" // need an ID so datasets can reference the scale
- }],
- yAxes: [{
- type: "linear",
- position: "left",
- id: "y-axis-1"
- }]
- },
-
- tooltips: {
- callbacks: {
- title: function(tooltipItems, data) {
- // Title doesn't make sense for scatter since we format the data as a point
- return '';
- },
- label: function(tooltipItem, data) {
- return '(' + tooltipItem.xLabel + ', ' + tooltipItem.yLabel + ')';
- }
- }
- }
- };
-
- // Register the default config for this type
- Chart.defaults.scatter = defaultConfig;
-
- // Scatter charts use line controllers
- Chart.controllers.scatter = Chart.controllers.line;
-
- Chart.Scatter = function(context, config) {
- config.type = 'scatter';
- return new Chart(context, config);
- };
-
-};
-},{}],15:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.bar = {
- hover: {
- mode: "label"
- },
-
- scales: {
- xAxes: [{
- type: "category",
-
- // Specific to Bar Controller
- categoryPercentage: 0.8,
- barPercentage: 0.9,
-
- // grid line settings
- gridLines: {
- offsetGridLines: true
- }
- }],
- yAxes: [{
- type: "linear"
- }]
- }
- };
-
- Chart.controllers.bar = Chart.DatasetController.extend({
- initialize: function(chart, datasetIndex) {
- Chart.DatasetController.prototype.initialize.call(this, chart, datasetIndex);
-
- // Use this to indicate that this is a bar dataset.
- this.getDataset().bar = true;
- },
- // Get the number of datasets that display bars. We use this to correctly calculate the bar width
- getBarCount: function getBarCount() {
- var barCount = 0;
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (helpers.isDatasetVisible(dataset) && dataset.bar) {
- ++barCount;
- }
- });
- return barCount;
- },
-
- addElements: function() {
- this.getDataset().metaData = this.getDataset().metaData || [];
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Rectangle({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
- }, this);
- },
- addElementAndReset: function(index) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var rectangle = new Chart.elements.Rectangle({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- var numBars = this.getBarCount();
-
- this.updateElement(rectangle, index, true, numBars);
- this.getDataset().metaData.splice(index, 0, rectangle);
- },
-
- update: function update(reset) {
- var numBars = this.getBarCount();
-
- helpers.each(this.getDataset().metaData, function(rectangle, index) {
- this.updateElement(rectangle, index, reset, numBars);
- }, this);
- },
-
- updateElement: function updateElement(rectangle, index, reset, numBars) {
-
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
-
- var yScalePoint;
-
- if (yScale.min < 0 && yScale.max < 0) {
- // all less than 0. use the top
- yScalePoint = yScale.getPixelForValue(yScale.max);
- } else if (yScale.min > 0 && yScale.max > 0) {
- yScalePoint = yScale.getPixelForValue(yScale.min);
- } else {
- yScalePoint = yScale.getPixelForValue(0);
- }
-
- helpers.extend(rectangle, {
- // Utility
- _chart: this.chart.chart,
- _xScale: xScale,
- _yScale: yScale,
- _datasetIndex: this.index,
- _index: index,
-
-
- // Desired view properties
- _model: {
- x: this.calculateBarX(index, this.index),
- y: reset ? yScalePoint : this.calculateBarY(index, this.index),
-
- // Tooltip
- label: this.chart.data.labels[index],
- datasetLabel: this.getDataset().label,
-
- // Appearance
- base: reset ? yScalePoint : this.calculateBarBase(this.index, index),
- width: this.calculateBarWidth(numBars),
- backgroundColor: rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor),
- borderSkipped: rectangle.custom && rectangle.custom.borderSkipped ? rectangle.custom.borderSkipped : this.chart.options.elements.rectangle.borderSkipped,
- borderColor: rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor),
- borderWidth: rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth)
- }
- });
- rectangle.pivot();
- },
-
- calculateBarBase: function(datasetIndex, index) {
-
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
-
- var base = 0;
-
- if (yScale.options.stacked) {
-
- var value = this.chart.data.datasets[datasetIndex].data[index];
-
- if (value < 0) {
- for (var i = 0; i < datasetIndex; i++) {
- var negDS = this.chart.data.datasets[i];
- if (helpers.isDatasetVisible(negDS) && negDS.yAxisID === yScale.id && negDS.bar) {
- base += negDS.data[index] < 0 ? negDS.data[index] : 0;
- }
- }
- } else {
- for (var j = 0; j < datasetIndex; j++) {
- var posDS = this.chart.data.datasets[j];
- if (helpers.isDatasetVisible(posDS) && posDS.yAxisID === yScale.id && posDS.bar) {
- base += posDS.data[index] > 0 ? posDS.data[index] : 0;
- }
- }
- }
-
- return yScale.getPixelForValue(base);
- }
-
- base = yScale.getPixelForValue(yScale.min);
-
- if (yScale.beginAtZero || ((yScale.min <= 0 && yScale.max >= 0) || (yScale.min >= 0 && yScale.max <= 0))) {
- base = yScale.getPixelForValue(0, 0);
- //base += yScale.options.gridLines.lineWidth;
- } else if (yScale.min < 0 && yScale.max < 0) {
- // All values are negative. Use the top as the base
- base = yScale.getPixelForValue(yScale.max);
- }
-
- return base;
-
- },
-
- getRuler: function() {
-
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var datasetCount = this.getBarCount();
-
- var tickWidth = (function() {
- var min = xScale.getPixelForTick(1) - xScale.getPixelForTick(0);
- for (var i = 2; i < this.getDataset().data.length; i++) {
- min = Math.min(xScale.getPixelForTick(i) - xScale.getPixelForTick(i - 1), min);
- }
- return min;
- }).call(this);
- var categoryWidth = tickWidth * xScale.options.categoryPercentage;
- var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2;
- var fullBarWidth = categoryWidth / datasetCount;
- var barWidth = fullBarWidth * xScale.options.barPercentage;
- var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage);
-
- return {
- datasetCount: datasetCount,
- tickWidth: tickWidth,
- categoryWidth: categoryWidth,
- categorySpacing: categorySpacing,
- fullBarWidth: fullBarWidth,
- barWidth: barWidth,
- barSpacing: barSpacing
- };
- },
-
- calculateBarWidth: function() {
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var ruler = this.getRuler();
- return xScale.options.stacked ? ruler.categoryWidth : ruler.barWidth;
- },
-
- // Get bar index from the given dataset index accounting for the fact that not all bars are visible
- getBarIndex: function(datasetIndex) {
- var barIndex = 0;
-
- for (var j = 0; j < datasetIndex; ++j) {
- if (helpers.isDatasetVisible(this.chart.data.datasets[j]) && this.chart.data.datasets[j].bar) {
- ++barIndex;
- }
- }
-
- return barIndex;
- },
-
- calculateBarX: function(index, datasetIndex) {
-
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var barIndex = this.getBarIndex(datasetIndex);
-
- var ruler = this.getRuler();
- var leftTick = xScale.getPixelForValue(null, index, datasetIndex, this.chart.isCombo);
- leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0;
-
- if (xScale.options.stacked) {
- return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing;
- }
-
- return leftTick +
- (ruler.barWidth / 2) +
- ruler.categorySpacing +
- (ruler.barWidth * barIndex) +
- (ruler.barSpacing / 2) +
- (ruler.barSpacing * barIndex);
- },
-
- calculateBarY: function(index, datasetIndex) {
-
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
-
- var value = this.getDataset().data[index];
-
- if (yScale.options.stacked) {
-
- var sumPos = 0,
- sumNeg = 0;
-
- for (var i = 0; i < datasetIndex; i++) {
- var ds = this.chart.data.datasets[i];
- if (helpers.isDatasetVisible(ds) && ds.bar && ds.yAxisID === yScale.id) {
- if (ds.data[index] < 0) {
- sumNeg += ds.data[index] || 0;
- } else {
- sumPos += ds.data[index] || 0;
- }
- }
- }
-
- if (value < 0) {
- return yScale.getPixelForValue(sumNeg + value);
- } else {
- return yScale.getPixelForValue(sumPos + value);
- }
-
- return yScale.getPixelForValue(value);
- }
-
- return yScale.getPixelForValue(value);
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
- helpers.each(this.getDataset().metaData, function(rectangle, index) {
- var d = this.getDataset().data[index];
- if (d !== null && d !== undefined && !isNaN(d)) {
- rectangle.transition(easingDecimal).draw();
- }
- }, this);
- },
-
- setHoverStyle: function(rectangle) {
- var dataset = this.chart.data.datasets[rectangle._datasetIndex];
- var index = rectangle._index;
-
- rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.hoverBackgroundColor ? rectangle.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(rectangle._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- rectangle._model.borderColor = rectangle.custom && rectangle.custom.hoverBorderColor ? rectangle.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(rectangle._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- rectangle._model.borderWidth = rectangle.custom && rectangle.custom.hoverBorderWidth ? rectangle.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, rectangle._model.borderWidth);
- },
-
- removeHoverStyle: function(rectangle) {
- var dataset = this.chart.data.datasets[rectangle._datasetIndex];
- var index = rectangle._index;
-
- rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor);
- rectangle._model.borderColor = rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor);
- rectangle._model.borderWidth = rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth);
- }
-
- });
-};
-
-},{}],16:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.bubble = {
- hover: {
- mode: "single"
- },
-
- scales: {
- xAxes: [{
- type: "linear", // bubble should probably use a linear scale by default
- position: "bottom",
- id: "x-axis-0" // need an ID so datasets can reference the scale
- }],
- yAxes: [{
- type: "linear",
- position: "left",
- id: "y-axis-0"
- }]
- },
-
- tooltips: {
- callbacks: {
- title: function(tooltipItems, data) {
- // Title doesn't make sense for scatter since we format the data as a point
- return '';
- },
- label: function(tooltipItem, data) {
- var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
- var dataPoint = data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
- return datasetLabel + ': (' + dataPoint.x + ', ' + dataPoint.y + ', ' + dataPoint.r + ')';
- }
- }
- }
- };
-
-
- Chart.controllers.bubble = Chart.DatasetController.extend({
- addElements: function() {
-
- this.getDataset().metaData = this.getDataset().metaData || [];
-
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
- }, this);
- },
- addElementAndReset: function(index) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var point = new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- // Reset the point
- this.updateElement(point, index, true);
-
- // Add to the points array
- this.getDataset().metaData.splice(index, 0, point);
- },
-
- update: function update(reset) {
- var points = this.getDataset().metaData;
-
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var scaleBase;
-
- if (yScale.min < 0 && yScale.max < 0) {
- scaleBase = yScale.getPixelForValue(yScale.max);
- } else if (yScale.min > 0 && yScale.max > 0) {
- scaleBase = yScale.getPixelForValue(yScale.min);
- } else {
- scaleBase = yScale.getPixelForValue(0);
- }
-
- // Update Points
- helpers.each(points, function(point, index) {
- this.updateElement(point, index, reset);
- }, this);
-
- },
-
- updateElement: function(point, index, reset) {
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var scaleBase;
-
- if (yScale.min < 0 && yScale.max < 0) {
- scaleBase = yScale.getPixelForValue(yScale.max);
- } else if (yScale.min > 0 && yScale.max > 0) {
- scaleBase = yScale.getPixelForValue(yScale.min);
- } else {
- scaleBase = yScale.getPixelForValue(0);
- }
-
- helpers.extend(point, {
- // Utility
- _chart: this.chart.chart,
- _xScale: xScale,
- _yScale: yScale,
- _datasetIndex: this.index,
- _index: index,
-
- // Desired view properties
- _model: {
- x: reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
- y: reset ? scaleBase : yScale.getPixelForValue(this.getDataset().data[index], index, this.index),
- // Appearance
- radius: reset ? 0 : point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[index]),
- backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor),
- borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor),
- borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth),
-
- // Tooltip
- hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius)
- }
- });
-
- point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
-
- point.pivot();
- },
-
- getRadius: function(value) {
- return value.r || this.chart.options.elements.point.radius;
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
-
- // Transition and Draw the Points
- helpers.each(this.getDataset().metaData, function(point, index) {
- point.transition(easingDecimal);
- point.draw();
- });
-
- },
-
- setHoverStyle: function(point) {
- // Point
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : (helpers.getValueAtIndexOrDefault(dataset.hoverRadius, index, this.chart.options.elements.point.hoverRadius)) + this.getRadius(this.getDataset().data[point._index]);
- point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, point._model.borderWidth);
- },
-
- removeHoverStyle: function(point) {
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.radius ? point.custom.radius : this.getRadius(this.getDataset().data[point._index]);
- point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.point.backgroundColor);
- point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.point.borderColor);
- point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.point.borderWidth);
- }
- });
-};
-},{}],17:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.doughnut = {
- animation: {
- //Boolean - Whether we animate the rotation of the Doughnut
- animateRotate: true,
- //Boolean - Whether we animate scaling the Doughnut from the centre
- animateScale: false
- },
- aspectRatio: 1,
- hover: {
- mode: 'single'
- },
- legendCallback: function(chart) {
- var text = [];
- text.push('<ul class="' + chart.id + '-legend">');
-
- if (chart.data.datasets.length) {
- for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
- text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
- if (chart.data.labels[i]) {
- text.push(chart.data.labels[i]);
- }
- text.push('</span></li>');
- }
- }
-
- text.push('</ul>');
- return text.join("");
- },
- legend: {
- labels: {
- generateLabels: function(data) {
- if (data.labels.length && data.datasets.length) {
- return data.labels.map(function(label, i) {
- return {
- text: label,
- fillStyle: data.datasets[0].backgroundColor[i],
- hidden: isNaN(data.datasets[0].data[i]),
-
- // Extra data used for toggling the correct item
- index: i
- };
- });
- } else {
- return [];
- }
- }
- },
- onClick: function(e, legendItem) {
- helpers.each(this.chart.data.datasets, function(dataset) {
- dataset.metaHiddenData = dataset.metaHiddenData || [];
- var idx = legendItem.index;
-
- if (!isNaN(dataset.data[idx])) {
- dataset.metaHiddenData[idx] = dataset.data[idx];
- dataset.data[idx] = NaN;
- } else if (!isNaN(dataset.metaHiddenData[idx])) {
- dataset.data[idx] = dataset.metaHiddenData[idx];
- }
- });
-
- this.chart.update();
- }
- },
-
- //The percentage of the chart that we cut out of the middle.
- cutoutPercentage: 50,
-
- //The rotation of the chart, where the first data arc begins.
- rotation: Math.PI * -0.5,
-
- //The total circumference of the chart.
- circumference: Math.PI * 2.0,
-
- // Need to override these to give a nice default
- tooltips: {
- callbacks: {
- title: function() {
- return '';
- },
- label: function(tooltipItem, data) {
- return data.labels[tooltipItem.index] + ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index];
- }
- }
- }
- };
-
- Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut);
- helpers.extend(Chart.defaults.pie, {
- cutoutPercentage: 0
- });
-
-
- Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({
- linkScales: function() {
- // no scales for doughnut
- },
-
- addElements: function() {
- this.getDataset().metaData = this.getDataset().metaData || [];
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
- }, this);
- },
- addElementAndReset: function(index, colorForNewElement) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var arc = new Chart.elements.Arc({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- if (colorForNewElement && helpers.isArray(this.getDataset().backgroundColor)) {
- this.getDataset().backgroundColor.splice(index, 0, colorForNewElement);
- }
-
- // Reset the point
- this.updateElement(arc, index, true);
-
- // Add to the points array
- this.getDataset().metaData.splice(index, 0, arc);
- },
-
- getVisibleDatasetCount: function getVisibleDatasetCount() {
- return helpers.where(this.chart.data.datasets, function(ds) {
- return helpers.isDatasetVisible(ds);
- }).length;
- },
-
- // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly
- getRingIndex: function getRingIndex(datasetIndex) {
- var ringIndex = 0;
-
- for (var j = 0; j < datasetIndex; ++j) {
- if (helpers.isDatasetVisible(this.chart.data.datasets[j])) {
- ++ringIndex;
- }
- }
-
- return ringIndex;
- },
-
- update: function update(reset) {
- var availableWidth = this.chart.chartArea.right - this.chart.chartArea.left - this.chart.options.elements.arc.borderWidth;
- var availableHeight = this.chart.chartArea.bottom - this.chart.chartArea.top - this.chart.options.elements.arc.borderWidth;
- var minSize = Math.min(availableWidth, availableHeight);
- var offset = {x: 0, y: 0};
-
- // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc
- if (this.chart.options.circumference && this.chart.options.circumference < Math.PI * 2.0) {
- var startAngle = this.chart.options.rotation % (Math.PI * 2.0);
- startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0);
- var endAngle = startAngle + this.chart.options.circumference;
- var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)};
- var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)};
- var contains0 = (startAngle <= 0 && 0 <= endAngle) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle);
- var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle);
- var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle);
- var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle);
- var cutout = this.chart.options.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};
- }
-
- this.chart.outerRadius = Math.max(minSize / 2, 0);
- this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
- this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.getVisibleDatasetCount();
- this.chart.offsetX = offset.x * this.chart.outerRadius;
- this.chart.offsetY = offset.y * this.chart.outerRadius;
-
- this.getDataset().total = 0;
- helpers.each(this.getDataset().data, function(value) {
- if (!isNaN(value)) {
- this.getDataset().total += Math.abs(value);
- }
- }, this);
-
- this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.getRingIndex(this.index));
- this.innerRadius = this.outerRadius - this.chart.radiusLength;
-
- helpers.each(this.getDataset().metaData, function(arc, index) {
- this.updateElement(arc, index, reset);
- }, this);
- },
- updateElement: function(arc, index, reset) {
- var centerX = (this.chart.chartArea.left + this.chart.chartArea.right) / 2;
- var centerY = (this.chart.chartArea.top + this.chart.chartArea.bottom) / 2;
- var startAngle = this.chart.options.rotation || (Math.PI * -0.5); // non reset case handled later
- var endAngle = this.chart.options.rotation || (Math.PI * -0.5); // non reset case handled later
- var circumference = reset && this.chart.options.animation.animateRotate ? 0 : this.calculateCircumference(this.getDataset().data[index]) * ((this.chart.options.circumference || (2.0 * Math.PI)) / (2.0 * Math.PI));
- var innerRadius = reset && this.chart.options.animation.animateScale ? 0 : this.innerRadius;
- var outerRadius = reset && this.chart.options.animation.animateScale ? 0 : this.outerRadius;
-
- helpers.extend(arc, {
- // Utility
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index,
-
- // Desired view properties
- _model: {
- x: centerX + this.chart.offsetX,
- y: centerY + this.chart.offsetY,
- startAngle: startAngle,
- endAngle: endAngle,
- circumference: circumference,
- outerRadius: outerRadius,
- innerRadius: innerRadius,
-
- backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
- hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
- borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
- borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
-
- label: helpers.getValueAtIndexOrDefault(this.getDataset().label, index, this.chart.data.labels[index])
- }
- });
-
- // Set correct angles if not resetting
- if (!reset) {
-
- if (index === 0) {
- arc._model.startAngle = this.chart.options.rotation || (Math.PI * -0.5);
- } else {
- arc._model.startAngle = this.getDataset().metaData[index - 1]._model.endAngle;
- }
-
- arc._model.endAngle = arc._model.startAngle + arc._model.circumference;
- }
-
- arc.pivot();
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
- helpers.each(this.getDataset().metaData, function(arc, index) {
- arc.transition(easingDecimal).draw();
- });
- },
-
- setHoverStyle: function(arc) {
- var dataset = this.chart.data.datasets[arc._datasetIndex];
- var index = arc._index;
-
- arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, arc._model.borderWidth);
- },
-
- removeHoverStyle: function(arc) {
- var dataset = this.chart.data.datasets[arc._datasetIndex];
- var index = arc._index;
-
- arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
- arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
- arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
- },
-
- calculateCircumference: function(value) {
- if (this.getDataset().total > 0 && !isNaN(value)) {
- return (Math.PI * 1.999999) * (value / this.getDataset().total);
- } else {
- return 0;
- }
- }
- });
-};
-},{}],18:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.line = {
- showLines: true,
-
- hover: {
- mode: "label"
- },
-
- scales: {
- xAxes: [{
- type: "category",
- id: 'x-axis-0'
- }],
- yAxes: [{
- type: "linear",
- id: 'y-axis-0'
- }]
- }
- };
-
-
- Chart.controllers.line = Chart.DatasetController.extend({
- addElements: function() {
-
- this.getDataset().metaData = this.getDataset().metaData || [];
-
- this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _points: this.getDataset().metaData
- });
-
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
- }, this);
- },
- addElementAndReset: function(index) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var point = new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- // Reset the point
- this.updateElement(point, index, true);
-
- // Add to the points array
- this.getDataset().metaData.splice(index, 0, point);
-
- // Make sure bezier control points are updated
- if (this.chart.options.showLines && this.chart.options.elements.line.tension !== 0)
- this.updateBezierControlPoints();
- },
-
- update: function update(reset) {
- var line = this.getDataset().metaDataset;
- var points = this.getDataset().metaData;
-
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var scaleBase;
-
- if (yScale.min < 0 && yScale.max < 0) {
- scaleBase = yScale.getPixelForValue(yScale.max);
- } else if (yScale.min > 0 && yScale.max > 0) {
- scaleBase = yScale.getPixelForValue(yScale.min);
- } else {
- scaleBase = yScale.getPixelForValue(0);
- }
-
- // Update Line
- if (this.chart.options.showLines) {
- // Utility
- line._scale = yScale;
- line._datasetIndex = this.index;
- // Data
- line._children = points;
- // Model
- line._model = {
- // Appearance
- tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
- backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
- borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
- borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),
- borderCapStyle: line.custom && line.custom.borderCapStyle ? line.custom.borderCapStyle : (this.getDataset().borderCapStyle || this.chart.options.elements.line.borderCapStyle),
- borderDash: line.custom && line.custom.borderDash ? line.custom.borderDash : (this.getDataset().borderDash || this.chart.options.elements.line.borderDash),
- borderDashOffset: line.custom && line.custom.borderDashOffset ? line.custom.borderDashOffset : (this.getDataset().borderDashOffset || this.chart.options.elements.line.borderDashOffset),
- borderJoinStyle: line.custom && line.custom.borderJoinStyle ? line.custom.borderJoinStyle : (this.getDataset().borderJoinStyle || this.chart.options.elements.line.borderJoinStyle),
- fill: line.custom && line.custom.fill ? line.custom.fill : (this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill),
- // Scale
- scaleTop: yScale.top,
- scaleBottom: yScale.bottom,
- scaleZero: scaleBase
- };
- line.pivot();
- }
-
- // Update Points
- helpers.each(points, function(point, index) {
- this.updateElement(point, index, reset);
- }, this);
-
- if (this.chart.options.showLines && this.chart.options.elements.line.tension !== 0)
- this.updateBezierControlPoints();
- },
-
- getPointBackgroundColor: function(point, index) {
- var backgroundColor = this.chart.options.elements.point.backgroundColor;
- var dataset = this.getDataset();
-
- if (point.custom && point.custom.backgroundColor) {
- backgroundColor = point.custom.backgroundColor;
- } else if (dataset.pointBackgroundColor) {
- backgroundColor = helpers.getValueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor);
- } else if (dataset.backgroundColor) {
- backgroundColor = dataset.backgroundColor;
- }
-
- return backgroundColor;
- },
- getPointBorderColor: function(point, index) {
- var borderColor = this.chart.options.elements.point.borderColor;
- var dataset = this.getDataset();
-
- if (point.custom && point.custom.borderColor) {
- borderColor = point.custom.borderColor;
- } else if (dataset.pointBorderColor) {
- borderColor = helpers.getValueAtIndexOrDefault(this.getDataset().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();
-
- if (point.custom && point.custom.borderWidth !== undefined) {
- borderWidth = point.custom.borderWidth;
- } else if (dataset.pointBorderWidth !== undefined) {
- borderWidth = helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth);
- } else if (dataset.borderWidth !== undefined) {
- borderWidth = dataset.borderWidth;
- }
-
- return borderWidth;
- },
-
- updateElement: function(point, index, reset) {
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var scaleBase;
-
- if (yScale.min < 0 && yScale.max < 0) {
- scaleBase = yScale.getPixelForValue(yScale.max);
- } else if (yScale.min > 0 && yScale.max > 0) {
- scaleBase = yScale.getPixelForValue(yScale.min);
- } else {
- scaleBase = yScale.getPixelForValue(0);
- }
-
- // Utility
- point._chart = this.chart.chart;
- point._xScale = xScale;
- point._yScale = yScale;
- point._datasetIndex = this.index;
- point._index = index;
-
- // Desired view properties
- point._model = {
- x: xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
- y: reset ? scaleBase : this.calculatePointY(this.getDataset().data[index], index, this.index, this.chart.isCombo),
- // Appearance
- tension: point.custom && point.custom.tension ? point.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
- radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius),
- pointStyle: point.custom && point.custom.pointStyle ? point.custom.pointStyle : helpers.getValueAtIndexOrDefault(this.getDataset().pointStyle, index, this.chart.options.elements.point.pointStyle),
- backgroundColor: this.getPointBackgroundColor(point, index),
- borderColor: this.getPointBorderColor(point, index),
- borderWidth: this.getPointBorderWidth(point, index),
- // Tooltip
- hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius)
- };
-
- point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
- },
-
- calculatePointY: function(value, index, datasetIndex, isCombo) {
-
- var xScale = this.getScaleForId(this.getDataset().xAxisID);
- var yScale = this.getScaleForId(this.getDataset().yAxisID);
-
- if (yScale.options.stacked) {
-
- var sumPos = 0,
- sumNeg = 0;
-
- for (var i = 0; i < datasetIndex; i++) {
- var ds = this.chart.data.datasets[i];
- if (ds.type === 'line' && helpers.isDatasetVisible(ds)) {
- if (ds.data[index] < 0) {
- sumNeg += ds.data[index] || 0;
- } else {
- sumPos += ds.data[index] || 0;
- }
- }
- }
-
- if (value < 0) {
- return yScale.getPixelForValue(sumNeg + value);
- } else {
- return yScale.getPixelForValue(sumPos + value);
- }
- }
-
- return yScale.getPixelForValue(value);
- },
-
- updateBezierControlPoints: function() {
- // Update bezier control points
- helpers.each(this.getDataset().metaData, function(point, index) {
- var controlPoints = helpers.splineCurve(
- helpers.previousItem(this.getDataset().metaData, index)._model,
- point._model,
- helpers.nextItem(this.getDataset().metaData, index)._model,
- point._model.tension
- );
-
- // Prevent the bezier going outside of the bounds of the graph
- point._model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, this.chart.chartArea.right), this.chart.chartArea.left);
- point._model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
-
- point._model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, this.chart.chartArea.right), this.chart.chartArea.left);
- point._model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
-
- // Now pivot the point for animation
- point.pivot();
- }, this);
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
-
- // Transition Point Locations
- helpers.each(this.getDataset().metaData, function(point) {
- point.transition(easingDecimal);
- });
-
- // Transition and Draw the line
- if (this.chart.options.showLines)
- this.getDataset().metaDataset.transition(easingDecimal).draw();
-
- // Draw the points
- helpers.each(this.getDataset().metaData, function(point) {
- point.draw();
- });
- },
-
- setHoverStyle: function(point) {
- // Point
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
- point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, point._model.borderWidth);
- },
-
- removeHoverStyle: function(point) {
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
- point._model.backgroundColor = this.getPointBackgroundColor(point, index);
- point._model.borderColor = this.getPointBorderColor(point, index);
- point._model.borderWidth = this.getPointBorderWidth(point, index);
- }
- });
-};
-
-},{}],19:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.polarArea = {
-
- scale: {
- type: "radialLinear",
- lineArc: true // so that lines are circular
- },
-
- //Boolean - Whether to animate the rotation of the chart
- animateRotate: true,
- animateScale: true,
-
- aspectRatio: 1,
- legendCallback: function(chart) {
- var text = [];
- text.push('<ul class="' + chart.id + '-legend">');
-
- if (chart.data.datasets.length) {
- for (var i = 0; i < chart.data.datasets[0].data.length; ++i) {
- text.push('<li><span style="background-color:' + chart.data.datasets[0].backgroundColor[i] + '">');
- if (chart.data.labels[i]) {
- text.push(chart.data.labels[i]);
- }
- text.push('</span></li>');
- }
- }
-
- text.push('</ul>');
- return text.join("");
- },
- legend: {
- labels: {
- generateLabels: function(data) {
- if (data.labels.length && data.datasets.length) {
- return data.labels.map(function(label, i) {
- return {
- text: label,
- fillStyle: data.datasets[0].backgroundColor[i],
- hidden: isNaN(data.datasets[0].data[i]),
-
- // Extra data used for toggling the correct item
- index: i
- };
- });
- } else {
- return [];
- }
- }
- },
- onClick: function(e, legendItem) {
- helpers.each(this.chart.data.datasets, function(dataset) {
- dataset.metaHiddenData = dataset.metaHiddenData || [];
- var idx = legendItem.index;
-
- if (!isNaN(dataset.data[idx])) {
- dataset.metaHiddenData[idx] = dataset.data[idx];
- dataset.data[idx] = NaN;
- } else if (!isNaN(dataset.metaHiddenData[idx])) {
- dataset.data[idx] = dataset.metaHiddenData[idx];
- }
- });
-
- this.chart.update();
- }
- },
-
- // Need to override these to give a nice default
- tooltips: {
- callbacks: {
- title: function() {
- return '';
- },
- label: function(tooltipItem, data) {
- return data.labels[tooltipItem.index] + ': ' + tooltipItem.yLabel;
- }
- }
- }
- };
-
- Chart.controllers.polarArea = Chart.DatasetController.extend({
- linkScales: function() {
- // no scales for doughnut
- },
- addElements: function() {
- this.getDataset().metaData = this.getDataset().metaData || [];
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
- }, this);
- },
- addElementAndReset: function(index) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var arc = new Chart.elements.Arc({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- // Reset the point
- this.updateElement(arc, index, true);
-
- // Add to the points array
- this.getDataset().metaData.splice(index, 0, arc);
- },
- getVisibleDatasetCount: function getVisibleDatasetCount() {
- return helpers.where(this.chart.data.datasets, function(ds) {
- return helpers.isDatasetVisible(ds);
- }).length;
- },
-
- update: function update(reset) {
- var minSize = Math.min(this.chart.chartArea.right - this.chart.chartArea.left, this.chart.chartArea.bottom - this.chart.chartArea.top);
- this.chart.outerRadius = Math.max((minSize - this.chart.options.elements.arc.borderWidth / 2) / 2, 0);
- this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
- this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.getVisibleDatasetCount();
-
- this.getDataset().total = 0;
- helpers.each(this.getDataset().data, function(value) {
- this.getDataset().total += Math.abs(value);
- }, this);
-
- this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.index);
- this.innerRadius = this.outerRadius - this.chart.radiusLength;
-
- helpers.each(this.getDataset().metaData, function(arc, index) {
- this.updateElement(arc, index, reset);
- }, this);
- },
-
- updateElement: function(arc, index, reset) {
- var circumference = this.calculateCircumference(this.getDataset().data[index]);
- var centerX = (this.chart.chartArea.left + this.chart.chartArea.right) / 2;
- var centerY = (this.chart.chartArea.top + this.chart.chartArea.bottom) / 2;
-
- // If there is NaN data before us, we need to calculate the starting angle correctly.
- // We could be way more efficient here, but its unlikely that the polar area chart will have a lot of data
- var notNullIndex = 0;
- for (var i = 0; i < index; ++i) {
- if (!isNaN(this.getDataset().data[i])) {
- ++notNullIndex;
- }
- }
-
- var startAngle = (-0.5 * Math.PI) + (circumference * notNullIndex);
- var endAngle = startAngle + circumference;
-
- var resetModel = {
- x: centerX,
- y: centerY,
- innerRadius: 0,
- outerRadius: this.chart.options.animateScale ? 0 : this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
- startAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : startAngle,
- endAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : endAngle,
-
- backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
- borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
- borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
-
- label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
- };
-
- helpers.extend(arc, {
- // Utility
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index,
- _scale: this.chart.scale,
-
- // Desired view properties
- _model: reset ? resetModel : {
- x: centerX,
- y: centerY,
- innerRadius: 0,
- outerRadius: this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
- startAngle: startAngle,
- endAngle: endAngle,
-
- backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
- borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
- borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
-
- label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
- }
- });
-
- arc.pivot();
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
- helpers.each(this.getDataset().metaData, function(arc, index) {
- arc.transition(easingDecimal).draw();
- });
- },
-
- setHoverStyle: function(arc) {
- var dataset = this.chart.data.datasets[arc._datasetIndex];
- var index = arc._index;
-
- arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, arc._model.borderWidth);
- },
-
- removeHoverStyle: function(arc) {
- var dataset = this.chart.data.datasets[arc._datasetIndex];
- var index = arc._index;
-
- arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
- arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
- arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
- },
-
- calculateCircumference: function(value) {
- if (isNaN(value)) {
- return 0;
- } else {
- // Count the number of NaN values
- var numNaN = helpers.where(this.getDataset().data, function(data) {
- return isNaN(data);
- }).length;
-
- return (2 * Math.PI) / (this.getDataset().data.length - numNaN);
- }
- }
- });
-
-};
-},{}],20:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
-
- Chart.defaults.radar = {
- scale: {
- type: "radialLinear"
- },
- elements: {
- line: {
- tension: 0 // no bezier in radar
- }
- }
- };
-
- Chart.controllers.radar = Chart.DatasetController.extend({
- linkScales: function() {
- // No need. Single scale only
- },
-
- addElements: function() {
-
- this.getDataset().metaData = this.getDataset().metaData || [];
-
- this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _points: this.getDataset().metaData,
- _loop: true
- });
-
- helpers.each(this.getDataset().data, function(value, index) {
- this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index,
- _model: {
- x: 0, //xScale.getPixelForValue(null, index, true),
- y: 0 //this.chartArea.bottom,
- }
- });
- }, this);
- },
- addElementAndReset: function(index) {
- this.getDataset().metaData = this.getDataset().metaData || [];
- var point = new Chart.elements.Point({
- _chart: this.chart.chart,
- _datasetIndex: this.index,
- _index: index
- });
-
- // Reset the point
- this.updateElement(point, index, true);
-
- // Add to the points array
- this.getDataset().metaData.splice(index, 0, point);
-
- // Make sure bezier control points are updated
- this.updateBezierControlPoints();
- },
-
- update: function update(reset) {
-
- var line = this.getDataset().metaDataset;
- var points = this.getDataset().metaData;
-
- var scale = this.chart.scale;
- var scaleBase;
-
- if (scale.min < 0 && scale.max < 0) {
- scaleBase = scale.getPointPositionForValue(0, scale.max);
- } else if (scale.min > 0 && scale.max > 0) {
- scaleBase = scale.getPointPositionForValue(0, scale.min);
- } else {
- scaleBase = scale.getPointPositionForValue(0, 0);
- }
-
- helpers.extend(this.getDataset().metaDataset, {
- // Utility
- _datasetIndex: this.index,
- // Data
- _children: this.getDataset().metaData,
- // Model
- _model: {
- // Appearance
- tension: line.custom && line.custom.tension ? line.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
- backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
- borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
- borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),
- fill: line.custom && line.custom.fill ? line.custom.fill : (this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill),
- borderCapStyle: line.custom && line.custom.borderCapStyle ? line.custom.borderCapStyle : (this.getDataset().borderCapStyle || this.chart.options.elements.line.borderCapStyle),
- borderDash: line.custom && line.custom.borderDash ? line.custom.borderDash : (this.getDataset().borderDash || this.chart.options.elements.line.borderDash),
- borderDashOffset: line.custom && line.custom.borderDashOffset ? line.custom.borderDashOffset : (this.getDataset().borderDashOffset || this.chart.options.elements.line.borderDashOffset),
- borderJoinStyle: line.custom && line.custom.borderJoinStyle ? line.custom.borderJoinStyle : (this.getDataset().borderJoinStyle || this.chart.options.elements.line.borderJoinStyle),
-
- // Scale
- scaleTop: scale.top,
- scaleBottom: scale.bottom,
- scaleZero: scaleBase
- }
- });
-
- this.getDataset().metaDataset.pivot();
-
- // Update Points
- helpers.each(points, function(point, index) {
- this.updateElement(point, index, reset);
- }, this);
-
-
- // Update bezier control points
- this.updateBezierControlPoints();
- },
- updateElement: function(point, index, reset) {
- var pointPosition = this.chart.scale.getPointPositionForValue(index, this.getDataset().data[index]);
-
- helpers.extend(point, {
- // Utility
- _datasetIndex: this.index,
- _index: index,
- _scale: this.chart.scale,
-
- // Desired view properties
- _model: {
- x: reset ? this.chart.scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales
- y: reset ? this.chart.scale.yCenter : pointPosition.y,
-
- // Appearance
- tension: point.custom && point.custom.tension ? point.custom.tension : helpers.getValueOrDefault(this.getDataset().tension, this.chart.options.elements.line.tension),
- radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().pointRadius, index, this.chart.options.elements.point.radius),
- backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor),
- borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor),
- borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth),
- pointStyle: point.custom && point.custom.pointStyle ? point.custom.pointStyle : helpers.getValueAtIndexOrDefault(this.getDataset().pointStyle, index, this.chart.options.elements.point.pointStyle),
-
- // Tooltip
- hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius)
- }
- });
-
- point._model.skip = point.custom && point.custom.skip ? point.custom.skip : (isNaN(point._model.x) || isNaN(point._model.y));
- },
- updateBezierControlPoints: function() {
- helpers.each(this.getDataset().metaData, function(point, index) {
- var controlPoints = helpers.splineCurve(
- helpers.previousItem(this.getDataset().metaData, index, true)._model,
- point._model,
- helpers.nextItem(this.getDataset().metaData, index, true)._model,
- point._model.tension
- );
-
- // Prevent the bezier going outside of the bounds of the graph
- point._model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, this.chart.chartArea.right), this.chart.chartArea.left);
- point._model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
-
- point._model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, this.chart.chartArea.right), this.chart.chartArea.left);
- point._model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, this.chart.chartArea.bottom), this.chart.chartArea.top);
-
- // Now pivot the point for animation
- point.pivot();
- }, this);
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
-
- // Transition Point Locations
- helpers.each(this.getDataset().metaData, function(point, index) {
- point.transition(easingDecimal);
- });
-
- // Transition and Draw the line
- this.getDataset().metaDataset.transition(easingDecimal).draw();
-
- // Draw the points
- helpers.each(this.getDataset().metaData, function(point) {
- point.draw();
- });
- },
-
- setHoverStyle: function(point) {
- // Point
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
- point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
- point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, point._model.borderWidth);
- },
-
- removeHoverStyle: function(point) {
- var dataset = this.chart.data.datasets[point._datasetIndex];
- var index = point._index;
-
- point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
- point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor);
- point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor);
- point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth);
- }
- });
-};
-},{}],21:[function(require,module,exports){
-/*global window: false */
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.animation = {
- duration: 1000,
- easing: "easeOutQuart",
- onProgress: helpers.noop,
- onComplete: helpers.noop
- };
-
- Chart.Animation = Chart.Element.extend({
- currentStep: null, // the current animation step
- numSteps: 60, // default number of steps
- easing: "", // the easing to use for this animation
- render: null, // render function used by the animation service
-
- onAnimationProgress: null, // user specified callback to fire on each step of the animation
- onAnimationComplete: null // user specified callback to fire when the animation finishes
- });
-
- Chart.animationService = {
- frameDuration: 17,
- animations: [],
- dropFrames: 0,
- request: null,
- addAnimation: function(chartInstance, animationObject, duration, lazy) {
-
- if (!lazy) {
- chartInstance.animating = true;
- }
-
- for (var index = 0; index < this.animations.length; ++index) {
- if (this.animations[index].chartInstance === chartInstance) {
- // replacing an in progress animation
- this.animations[index].animationObject = animationObject;
- return;
- }
- }
-
- this.animations.push({
- chartInstance: chartInstance,
- animationObject: animationObject
- });
-
- // If there are no animations queued, manually kickstart a digest, for lack of a better word
- if (this.animations.length === 1) {
- this.requestAnimationFrame();
- }
- },
- // Cancel the animation for a given chart instance
- cancelAnimation: function(chartInstance) {
- var index = helpers.findIndex(this.animations, function(animationWrapper) {
- return animationWrapper.chartInstance === chartInstance;
- });
-
- if (index !== -1) {
- this.animations.splice(index, 1);
- chartInstance.animating = false;
- }
- },
- requestAnimationFrame: function() {
- var me = this;
- if (me.request === null) {
- // Skip animation frame requests until the active one is executed.
- // This can happen when processing mouse events, e.g. 'mousemove'
- // and 'mouseout' events will trigger multiple renders.
- me.request = helpers.requestAnimFrame.call(window, function() {
- me.request = null;
- me.startDigest();
- });
- }
- },
- startDigest: function() {
-
- var startTime = Date.now();
- var framesToDrop = 0;
-
- if (this.dropFrames > 1) {
- framesToDrop = Math.floor(this.dropFrames);
- this.dropFrames = this.dropFrames % 1;
- }
-
- var i = 0;
- while (i < this.animations.length) {
- if (this.animations[i].animationObject.currentStep === null) {
- this.animations[i].animationObject.currentStep = 0;
- }
-
- this.animations[i].animationObject.currentStep += 1 + framesToDrop;
-
- if (this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps) {
- this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps;
- }
-
- this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject);
- if (this.animations[i].animationObject.onAnimationProgress && this.animations[i].animationObject.onAnimationProgress.call) {
- this.animations[i].animationObject.onAnimationProgress.call(this.animations[i].chartInstance, this.animations[i]);
- }
-
- if (this.animations[i].animationObject.currentStep === this.animations[i].animationObject.numSteps) {
- if (this.animations[i].animationObject.onAnimationComplete && this.animations[i].animationObject.onAnimationComplete.call) {
- this.animations[i].animationObject.onAnimationComplete.call(this.animations[i].chartInstance, this.animations[i]);
- }
-
- // executed the last frame. Remove the animation.
- this.animations[i].chartInstance.animating = false;
-
- this.animations.splice(i, 1);
- } else {
- ++i;
- }
- }
-
- var endTime = Date.now();
- var dropFrames = (endTime - startTime) / this.frameDuration;
-
- this.dropFrames += dropFrames;
-
- // Do we have more stuff to animate?
- if (this.animations.length > 0) {
- this.requestAnimationFrame();
- }
- }
- };
-};
-},{}],22:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
- //Create a dictionary of chart types, to allow for extension of existing types
- Chart.types = {};
-
- //Store a reference to each instance - allowing us to globally resize chart instances on window resize.
- //Destroy method on the chart will remove the instance of the chart from this reference.
- Chart.instances = {};
-
- // Controllers available for dataset visualization eg. bar, line, slice, etc.
- Chart.controllers = {};
-
- // The main controller of a chart
- Chart.Controller = function(instance) {
-
- this.chart = instance;
- this.config = instance.config;
- this.options = this.config.options = helpers.configMerge(Chart.defaults.global, Chart.defaults[this.config.type], this.config.options || {});
- this.id = helpers.uid();
-
- Object.defineProperty(this, 'data', {
- get: function() {
- return this.config.data;
- }
- });
-
- //Add the chart instance to the global namespace
- Chart.instances[this.id] = this;
-
- if (this.options.responsive) {
- // Silent resize before chart draws
- this.resize(true);
- }
-
- this.initialize();
-
- return this;
- };
-
- helpers.extend(Chart.Controller.prototype, {
-
- initialize: function initialize() {
-
- // TODO
- // If BeforeInit(this) doesn't return false, proceed
-
- this.bindEvents();
-
- // Make sure controllers are built first so that each dataset is bound to an axis before the scales
- // are built
- this.ensureScalesHaveIDs();
- this.buildOrUpdateControllers();
- this.buildScales();
- this.buildSurroundingItems();
- this.updateLayout();
- this.resetElements();
- this.initToolTip();
- this.update();
-
- // TODO
- // If AfterInit(this) doesn't return false, proceed
-
- return this;
- },
-
- clear: function clear() {
- helpers.clear(this.chart);
- return this;
- },
-
- stop: function stop() {
- // Stops any current animation loop occuring
- Chart.animationService.cancelAnimation(this);
- return this;
- },
-
- resize: function resize(silent) {
- var canvas = this.chart.canvas;
- var newWidth = helpers.getMaximumWidth(this.chart.canvas);
- var newHeight = (this.options.maintainAspectRatio && isNaN(this.chart.aspectRatio) === false && isFinite(this.chart.aspectRatio) && this.chart.aspectRatio !== 0) ? newWidth / this.chart.aspectRatio : helpers.getMaximumHeight(this.chart.canvas);
-
- var sizeChanged = this.chart.width !== newWidth || this.chart.height !== newHeight;
-
- if (!sizeChanged)
- return this;
-
- canvas.width = this.chart.width = newWidth;
- canvas.height = this.chart.height = newHeight;
-
- helpers.retinaScale(this.chart);
-
- if (!silent) {
- this.stop();
- this.update(this.options.responsiveAnimationDuration);
- }
-
- return this;
- },
- ensureScalesHaveIDs: function ensureScalesHaveIDs() {
- var defaultXAxisID = 'x-axis-';
- var defaultYAxisID = 'y-axis-';
-
- if (this.options.scales) {
- if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
- helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
- xAxisOptions.id = xAxisOptions.id || (defaultXAxisID + index);
- });
- }
-
- if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
- // Build the y axes
- helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
- yAxisOptions.id = yAxisOptions.id || (defaultYAxisID + index);
- });
- }
- }
- },
- buildScales: function buildScales() {
- // Map of scale ID to scale object so we can lookup later
- this.scales = {};
-
- // Build the x axes
- if (this.options.scales) {
- if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
- helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
- var xType = helpers.getValueOrDefault(xAxisOptions.type, 'category');
- var ScaleClass = Chart.scaleService.getScaleConstructor(xType);
- if (ScaleClass) {
- var scale = new ScaleClass({
- ctx: this.chart.ctx,
- options: xAxisOptions,
- chart: this,
- id: xAxisOptions.id
- });
-
- this.scales[scale.id] = scale;
- }
- }, this);
- }
-
- if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
- // Build the y axes
- helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
- var yType = helpers.getValueOrDefault(yAxisOptions.type, 'linear');
- var ScaleClass = Chart.scaleService.getScaleConstructor(yType);
- if (ScaleClass) {
- var scale = new ScaleClass({
- ctx: this.chart.ctx,
- options: yAxisOptions,
- chart: this,
- id: yAxisOptions.id
- });
-
- this.scales[scale.id] = scale;
- }
- }, this);
- }
- }
- if (this.options.scale) {
- // Build radial axes
- var ScaleClass = Chart.scaleService.getScaleConstructor(this.options.scale.type);
- if (ScaleClass) {
- var scale = new ScaleClass({
- ctx: this.chart.ctx,
- options: this.options.scale,
- chart: this
- });
-
- this.scale = scale;
-
- this.scales.radialScale = scale;
- }
- }
-
- Chart.scaleService.addScalesToLayout(this);
- },
-
- buildSurroundingItems: function() {
- if (this.options.title) {
- this.titleBlock = new Chart.Title({
- ctx: this.chart.ctx,
- options: this.options.title,
- chart: this
- });
-
- Chart.layoutService.addBox(this, this.titleBlock);
- }
-
- if (this.options.legend) {
- this.legend = new Chart.Legend({
- ctx: this.chart.ctx,
- options: this.options.legend,
- chart: this
- });
-
- Chart.layoutService.addBox(this, this.legend);
- }
- },
-
- updateLayout: function() {
- Chart.layoutService.update(this, this.chart.width, this.chart.height);
- },
-
- buildOrUpdateControllers: function buildOrUpdateControllers() {
- var types = [];
- var newControllers = [];
-
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- if (!dataset.type) {
- dataset.type = this.config.type;
- }
-
- var type = dataset.type;
- types.push(type);
-
- if (dataset.controller) {
- dataset.controller.updateIndex(datasetIndex);
- } else {
- dataset.controller = new Chart.controllers[type](this, datasetIndex);
- newControllers.push(dataset.controller);
- }
- }, this);
-
- if (types.length > 1) {
- for (var i = 1; i < types.length; i++) {
- if (types[i] !== types[i - 1]) {
- this.isCombo = true;
- break;
- }
- }
- }
-
- return newControllers;
- },
-
- resetElements: function resetElements() {
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- dataset.controller.reset();
- });
- },
-
- update: function update(animationDuration, lazy) {
- // In case the entire data object changed
- this.tooltip._data = this.data;
-
- // Make sure dataset controllers are updated and new controllers are reset
- var newControllers = this.buildOrUpdateControllers();
-
- Chart.layoutService.update(this, this.chart.width, this.chart.height);
-
- // Can only reset the new controllers after the scales have been updated
- helpers.each(newControllers, function(controller) {
- controller.reset();
- });
-
- // Make sure all dataset controllers have correct meta data counts
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- dataset.controller.buildOrUpdateElements();
- });
-
- // This will loop through any data and do the appropriate element update for the type
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- dataset.controller.update();
- });
- this.render(animationDuration, lazy);
- },
-
- render: function render(duration, lazy) {
-
- if (this.options.animation && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && this.options.animation.duration !== 0))) {
- var animation = new Chart.Animation();
- animation.numSteps = (duration || this.options.animation.duration) / 16.66; //60 fps
- animation.easing = this.options.animation.easing;
-
- // render function
- animation.render = function(chartInstance, animationObject) {
- var easingFunction = helpers.easingEffects[animationObject.easing];
- var stepDecimal = animationObject.currentStep / animationObject.numSteps;
- var easeDecimal = easingFunction(stepDecimal);
-
- chartInstance.draw(easeDecimal, stepDecimal, animationObject.currentStep);
- };
-
- // user events
- animation.onAnimationProgress = this.options.animation.onProgress;
- animation.onAnimationComplete = this.options.animation.onComplete;
-
- Chart.animationService.addAnimation(this, animation, duration, lazy);
- } else {
- this.draw();
- if (this.options.animation && this.options.animation.onComplete && this.options.animation.onComplete.call) {
- this.options.animation.onComplete.call(this);
- }
- }
- return this;
- },
-
- draw: function(ease) {
- var easingDecimal = ease || 1;
- this.clear();
-
- // Draw all the scales
- helpers.each(this.boxes, function(box) {
- box.draw(this.chartArea);
- }, this);
- if (this.scale) {
- this.scale.draw();
- }
-
- // Clip out the chart area so that anything outside does not draw. This is necessary for zoom and pan to function
- this.chart.ctx.save();
- this.chart.ctx.beginPath();
- this.chart.ctx.rect(this.chartArea.left, this.chartArea.top, this.chartArea.right - this.chartArea.left, this.chartArea.bottom - this.chartArea.top);
- this.chart.ctx.clip();
-
- // Draw each dataset via its respective controller (reversed to support proper line stacking)
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- if (helpers.isDatasetVisible(dataset)) {
- dataset.controller.draw(ease);
- }
- }, null, true);
-
- // Restore from the clipping operation
- this.chart.ctx.restore();
-
- // Finally draw the tooltip
- this.tooltip.transition(easingDecimal).draw();
- },
-
- // Get the single element that was clicked on
- // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
- getElementAtEvent: function(e) {
-
- var eventPosition = helpers.getRelativePosition(e, this.chart);
- var elementsArray = [];
-
- helpers.each(this.data.datasets, function(dataset, datasetIndex) {
- if (helpers.isDatasetVisible(dataset)) {
- helpers.each(dataset.metaData, function(element, index) {
- if (element.inRange(eventPosition.x, eventPosition.y)) {
- elementsArray.push(element);
- return elementsArray;
- }
- });
- }
- });
-
- return elementsArray;
- },
-
- getElementsAtEvent: function(e) {
- var eventPosition = helpers.getRelativePosition(e, this.chart);
- var elementsArray = [];
-
- var found = (function() {
- if (this.data.datasets) {
- for (var i = 0; i < this.data.datasets.length; i++) {
- if (helpers.isDatasetVisible(this.data.datasets[i])) {
- for (var j = 0; j < this.data.datasets[i].metaData.length; j++) {
- if (this.data.datasets[i].metaData[j].inRange(eventPosition.x, eventPosition.y)) {
- return this.data.datasets[i].metaData[j];
- }
- }
- }
- }
- }
- }).call(this);
-
- if (!found) {
- return elementsArray;
- }
-
- helpers.each(this.data.datasets, function(dataset, dsIndex) {
- if (helpers.isDatasetVisible(dataset)) {
- elementsArray.push(dataset.metaData[found._index]);
- }
- });
-
- return elementsArray;
- },
-
- getDatasetAtEvent: function(e) {
- var elementsArray = this.getElementAtEvent(e);
-
- if (elementsArray.length > 0) {
- elementsArray = this.data.datasets[elementsArray[0]._datasetIndex].metaData;
- }
-
- return elementsArray;
- },
-
- generateLegend: function generateLegend() {
- return this.options.legendCallback(this);
- },
-
- destroy: function destroy() {
- this.clear();
- helpers.unbindEvents(this, this.events);
- helpers.removeResizeListener(this.chart.canvas.parentNode);
-
- // Reset canvas height/width attributes
- var canvas = this.chart.canvas;
- canvas.width = this.chart.width;
- canvas.height = this.chart.height;
-
- // if we scaled the canvas in response to a devicePixelRatio !== 1, we need to undo that transform here
- if (this.chart.originalDevicePixelRatio !== undefined) {
- this.chart.ctx.scale(1 / this.chart.originalDevicePixelRatio, 1 / this.chart.originalDevicePixelRatio);
- }
-
- // Reset to the old style since it may have been changed by the device pixel ratio changes
- canvas.style.width = this.chart.originalCanvasStyleWidth;
- canvas.style.height = this.chart.originalCanvasStyleHeight;
-
- delete Chart.instances[this.id];
- },
-
- toBase64Image: function toBase64Image() {
- return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments);
- },
-
- initToolTip: function initToolTip() {
- this.tooltip = new Chart.Tooltip({
- _chart: this.chart,
- _chartInstance: this,
- _data: this.data,
- _options: this.options
- }, this);
- },
-
- bindEvents: function bindEvents() {
- helpers.bindEvents(this, this.options.events, function(evt) {
- this.eventHandler(evt);
- });
- },
- eventHandler: function eventHandler(e) {
- this.lastActive = this.lastActive || [];
- this.lastTooltipActive = this.lastTooltipActive || [];
-
- // Find Active Elements for hover and tooltips
- if (e.type === 'mouseout') {
- this.active = [];
- this.tooltipActive = [];
- } else {
-
- var _this = this;
- var getItemsForMode = function(mode) {
- switch (mode) {
- case 'single':
- return _this.getElementAtEvent(e);
- case 'label':
- return _this.getElementsAtEvent(e);
- case 'dataset':
- return _this.getDatasetAtEvent(e);
- default:
- return e;
- }
- };
-
- this.active = getItemsForMode(this.options.hover.mode);
- this.tooltipActive = getItemsForMode(this.options.tooltips.mode);
- }
-
- // On Hover hook
- if (this.options.hover.onHover) {
- this.options.hover.onHover.call(this, this.active);
- }
-
- if (e.type === 'mouseup' || e.type === 'click') {
- if (this.options.onClick) {
- this.options.onClick.call(this, e, this.active);
- }
-
- if (this.legend && this.legend.handleEvent) {
- this.legend.handleEvent(e);
- }
- }
-
- var dataset;
- var index;
-
- // Remove styling for last active (even if it may still be active)
- if (this.lastActive.length) {
- switch (this.options.hover.mode) {
- case 'single':
- this.data.datasets[this.lastActive[0]._datasetIndex].controller.removeHoverStyle(this.lastActive[0], this.lastActive[0]._datasetIndex, this.lastActive[0]._index);
- break;
- case 'label':
- case 'dataset':
- for (var i = 0; i < this.lastActive.length; i++) {
- if (this.lastActive[i])
- this.data.datasets[this.lastActive[i]._datasetIndex].controller.removeHoverStyle(this.lastActive[i], this.lastActive[i]._datasetIndex, this.lastActive[i]._index);
- }
- break;
- default:
- // Don't change anything
- }
- }
-
- // Built in hover styling
- if (this.active.length && this.options.hover.mode) {
- switch (this.options.hover.mode) {
- case 'single':
- this.data.datasets[this.active[0]._datasetIndex].controller.setHoverStyle(this.active[0]);
- break;
- case 'label':
- case 'dataset':
- for (var j = 0; j < this.active.length; j++) {
- if (this.active[j])
- this.data.datasets[this.active[j]._datasetIndex].controller.setHoverStyle(this.active[j]);
- }
- break;
- default:
- // Don't change anything
- }
- }
-
-
- // Built in Tooltips
- if (this.options.tooltips.enabled || this.options.tooltips.custom) {
-
- // The usual updates
- this.tooltip.initialize();
- this.tooltip._active = this.tooltipActive;
- this.tooltip.update();
- }
-
- // Hover animations
- this.tooltip.pivot();
-
- if (!this.animating) {
- var changed;
-
- helpers.each(this.active, function(element, index) {
- if (element !== this.lastActive[index]) {
- changed = true;
- }
- }, this);
-
- helpers.each(this.tooltipActive, function(element, index) {
- if (element !== this.lastTooltipActive[index]) {
- changed = true;
- }
- }, this);
-
- // If entering, leaving, or changing elements, animate the change via pivot
- if ((this.lastActive.length !== this.active.length) ||
- (this.lastTooltipActive.length !== this.tooltipActive.length) ||
- changed) {
-
- this.stop();
-
- if (this.options.tooltips.enabled || this.options.tooltips.custom) {
- this.tooltip.update(true);
- }
-
- // We only need to render at this point. Updating will cause scales to be recomputed generating flicker & using more
- // memory than necessary.
- this.render(this.options.hover.animationDuration, true);
- }
- }
-
- // Remember Last Actives
- this.lastActive = this.active;
- this.lastTooltipActive = this.tooltipActive;
- return this;
- }
- });
-};
-
-},{}],23:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- // Base class for all dataset controllers (line, bar, etc)
- Chart.DatasetController = function(chart, datasetIndex) {
- this.initialize.call(this, chart, datasetIndex);
- };
-
- helpers.extend(Chart.DatasetController.prototype, {
- initialize: function(chart, datasetIndex) {
- this.chart = chart;
- this.index = datasetIndex;
- this.linkScales();
- this.addElements();
- },
- updateIndex: function(datasetIndex) {
- this.index = datasetIndex;
- },
-
- linkScales: function() {
- if (!this.getDataset().xAxisID) {
- this.getDataset().xAxisID = this.chart.options.scales.xAxes[0].id;
- }
-
- if (!this.getDataset().yAxisID) {
- this.getDataset().yAxisID = this.chart.options.scales.yAxes[0].id;
- }
- },
-
- getDataset: function() {
- return this.chart.data.datasets[this.index];
- },
-
- getScaleForId: function(scaleID) {
- return this.chart.scales[scaleID];
- },
-
- reset: function() {
- this.update(true);
- },
-
- buildOrUpdateElements: function buildOrUpdateElements() {
- // Handle the number of data points changing
- var numData = this.getDataset().data.length;
- var numMetaData = this.getDataset().metaData.length;
-
- // Make sure that we handle number of datapoints changing
- if (numData < numMetaData) {
- // Remove excess bars for data points that have been removed
- this.getDataset().metaData.splice(numData, numMetaData - numData);
- } else if (numData > numMetaData) {
- // Add new elements
- for (var index = numMetaData; index < numData; ++index) {
- this.addElementAndReset(index);
- }
- }
- },
-
- // Controllers should implement the following
- addElements: helpers.noop,
- addElementAndReset: helpers.noop,
- draw: helpers.noop,
- removeHoverStyle: helpers.noop,
- setHoverStyle: helpers.noop,
- update: helpers.noop
- });
-
- Chart.DatasetController.extend = helpers.inherits;
-
-};
-},{}],24:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.elements = {};
-
- Chart.Element = function(configuration) {
- helpers.extend(this, configuration);
- this.initialize.apply(this, arguments);
- };
- helpers.extend(Chart.Element.prototype, {
- initialize: function() {},
- pivot: function() {
- if (!this._view) {
- this._view = helpers.clone(this._model);
- }
- this._start = helpers.clone(this._view);
- return this;
- },
- transition: function(ease) {
- if (!this._view) {
- this._view = helpers.clone(this._model);
- }
-
- // No animation -> No Transition
- if (ease === 1) {
- this._view = this._model;
- this._start = null;
- return this;
- }
-
- if (!this._start) {
- this.pivot();
- }
-
- helpers.each(this._model, function(value, key) {
-
- if (key[0] === '_' || !this._model.hasOwnProperty(key)) {
- // Only non-underscored properties
- }
-
- // Init if doesn't exist
- else if (!this._view.hasOwnProperty(key)) {
- if (typeof value === 'number' && !isNaN(this._view[key])) {
- this._view[key] = value * ease;
- } else {
- this._view[key] = value;
- }
- }
-
- // No unnecessary computations
- else if (value === this._view[key]) {
- // It's the same! Woohoo!
- }
-
- // Color transitions if possible
- else if (typeof value === 'string') {
- try {
- var color = helpers.color(this._start[key]).mix(helpers.color(this._model[key]), ease);
- this._view[key] = color.rgbString();
- } catch (err) {
- this._view[key] = value;
- }
- }
- // Number transitions
- else if (typeof value === 'number') {
- var startVal = this._start[key] !== undefined && isNaN(this._start[key]) === false ? this._start[key] : 0;
- this._view[key] = ((this._model[key] - startVal) * ease) + startVal;
- }
- // Everything else
- else {
- this._view[key] = value;
- }
- }, this);
-
- return this;
- },
- tooltipPosition: function() {
- return {
- x: this._model.x,
- y: this._model.y
- };
- },
- hasValue: function() {
- return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);
- }
- });
-
- Chart.Element.extend = helpers.inherits;
-
-};
-
-},{}],25:[function(require,module,exports){
-/*global window: false */
-/*global document: false */
-"use strict";
-
-var color = require('chartjs-color');
-
-module.exports = function(Chart) {
-
- //Global Chart helpers object for utility methods and classes
- var helpers = Chart.helpers = {};
-
- //-- Basic js utility methods
- helpers.each = function(loopable, callback, self, reverse) {
- // Check to see if null or undefined firstly.
- var i, len;
- if (helpers.isArray(loopable)) {
- len = loopable.length;
- if (reverse) {
- for (i = len - 1; i >= 0; i--) {
- callback.call(self, loopable[i], i);
- }
- } else {
- for (i = 0; i < len; i++) {
- callback.call(self, loopable[i], i);
- }
- }
- } else if (typeof loopable === 'object') {
- var keys = Object.keys(loopable);
- len = keys.length;
- for (i = 0; i < len; i++) {
- callback.call(self, loopable[keys[i]], keys[i]);
- }
- }
- };
- helpers.clone = function(obj) {
- var objClone = {};
- helpers.each(obj, function(value, key) {
- if (obj.hasOwnProperty(key)) {
- if (helpers.isArray(value)) {
- objClone[key] = value.slice(0);
- } else if (typeof value === 'object' && value !== null) {
- objClone[key] = helpers.clone(value);
- } else {
- objClone[key] = value;
- }
- }
- });
- return objClone;
- };
- helpers.extend = function(base) {
- var len = arguments.length;
- var additionalArgs = [];
- for (var i = 1; i < len; i++) {
- additionalArgs.push(arguments[i]);
- }
- helpers.each(additionalArgs, function(extensionObject) {
- helpers.each(extensionObject, function(value, key) {
- if (extensionObject.hasOwnProperty(key)) {
- base[key] = value;
- }
- });
- });
- return base;
- };
- // Need a special merge function to chart configs since they are now grouped
- helpers.configMerge = function(_base) {
- var base = helpers.clone(_base);
- helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) {
- helpers.each(extension, function(value, key) {
- if (extension.hasOwnProperty(key)) {
- if (key === 'scales') {
- // Scale config merging is complex. Add out own function here for that
- base[key] = helpers.scaleMerge(base.hasOwnProperty(key) ? base[key] : {}, value);
-
- } else if (key === 'scale') {
- // Used in polar area & radar charts since there is only one scale
- base[key] = helpers.configMerge(base.hasOwnProperty(key) ? base[key] : {}, Chart.scaleService.getScaleDefaults(value.type), value);
- } else if (base.hasOwnProperty(key) && helpers.isArray(base[key]) && helpers.isArray(value)) {
- // In this case we have an array of objects replacing another array. Rather than doing a strict replace,
- // merge. This allows easy scale option merging
- var baseArray = base[key];
-
- helpers.each(value, function(valueObj, index) {
-
- if (index < baseArray.length) {
- if (typeof baseArray[index] === 'object' && baseArray[index] !== null && typeof valueObj === 'object' && valueObj !== null) {
- // Two objects are coming together. Do a merge of them.
- baseArray[index] = helpers.configMerge(baseArray[index], valueObj);
- } else {
- // Just overwrite in this case since there is nothing to merge
- baseArray[index] = valueObj;
- }
- } else {
- baseArray.push(valueObj); // nothing to merge
- }
- });
-
- } else if (base.hasOwnProperty(key) && typeof base[key] === "object" && base[key] !== null && typeof value === "object") {
- // If we are overwriting an object with an object, do a merge of the properties.
- base[key] = helpers.configMerge(base[key], value);
-
- } else {
- // can just overwrite the value in this case
- base[key] = value;
- }
- }
- });
- });
-
- return base;
- };
- helpers.extendDeep = function(_base) {
- return _extendDeep.apply(this, arguments);
-
- function _extendDeep(dst) {
- helpers.each(arguments, function(obj) {
- if (obj !== dst) {
- helpers.each(obj, function(value, key) {
- if (dst[key] && dst[key].constructor && dst[key].constructor === Object) {
- _extendDeep(dst[key], value);
- } else {
- dst[key] = value;
- }
- });
- }
- });
- return dst;
- }
- };
- helpers.scaleMerge = function(_base, extension) {
- var base = helpers.clone(_base);
-
- helpers.each(extension, function(value, key) {
- if (extension.hasOwnProperty(key)) {
- if (key === 'xAxes' || key === 'yAxes') {
- // These properties are arrays of items
- if (base.hasOwnProperty(key)) {
- helpers.each(value, function(valueObj, index) {
- var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear');
- var axisDefaults = Chart.scaleService.getScaleDefaults(axisType);
- if (index >= base[key].length || !base[key][index].type) {
- base[key].push(helpers.configMerge(axisDefaults, valueObj));
- } else if (valueObj.type && valueObj.type !== base[key][index].type) {
- // Type changed. Bring in the new defaults before we bring in valueObj so that valueObj can override the correct scale defaults
- base[key][index] = helpers.configMerge(base[key][index], axisDefaults, valueObj);
- } else {
- // Type is the same
- base[key][index] = helpers.configMerge(base[key][index], valueObj);
- }
- });
- } else {
- base[key] = [];
- helpers.each(value, function(valueObj) {
- var axisType = helpers.getValueOrDefault(valueObj.type, key === 'xAxes' ? 'category' : 'linear');
- base[key].push(helpers.configMerge(Chart.scaleService.getScaleDefaults(axisType), valueObj));
- });
- }
- } else if (base.hasOwnProperty(key) && typeof base[key] === "object" && base[key] !== null && typeof value === "object") {
- // If we are overwriting an object with an object, do a merge of the properties.
- base[key] = helpers.configMerge(base[key], value);
-
- } else {
- // can just overwrite the value in this case
- base[key] = value;
- }
- }
- });
-
- return base;
- };
- helpers.getValueAtIndexOrDefault = function(value, index, defaultValue) {
- if (value === undefined || value === null) {
- return defaultValue;
- }
-
- if (helpers.isArray(value)) {
- return index < value.length ? value[index] : defaultValue;
- }
-
- return value;
- };
- helpers.getValueOrDefault = function(value, defaultValue) {
- return value === undefined ? defaultValue : value;
- };
- helpers.indexOf = function(arrayToSearch, item) {
- if (Array.prototype.indexOf) {
- return arrayToSearch.indexOf(item);
- } else {
- for (var i = 0; i < arrayToSearch.length; i++) {
- if (arrayToSearch[i] === item)
- return i;
- }
- return -1;
- }
- };
- helpers.where = function(collection, filterCallback) {
- var filtered = [];
-
- helpers.each(collection, function(item) {
- if (filterCallback(item)) {
- filtered.push(item);
- }
- });
-
- return filtered;
- };
- helpers.findIndex = function(arrayToSearch, callback, thisArg) {
- var index = -1;
- if (Array.prototype.findIndex) {
- index = arrayToSearch.findIndex(callback, thisArg);
- } else {
- for (var i = 0; i < arrayToSearch.length; ++i) {
- thisArg = thisArg !== undefined ? thisArg : arrayToSearch;
-
- if (callback.call(thisArg, arrayToSearch[i], i, arrayToSearch)) {
- index = i;
- break;
- }
- }
- }
-
- return index;
- };
- helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
- // Default to start of the array
- if (startIndex === undefined || startIndex === null) {
- startIndex = -1;
- }
- for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
- var currentItem = arrayToSearch[i];
- if (filterCallback(currentItem)) {
- return currentItem;
- }
- }
- };
- helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
- // Default to end of the array
- if (startIndex === undefined || startIndex === null) {
- startIndex = arrayToSearch.length;
- }
- for (var i = startIndex - 1; i >= 0; i--) {
- var currentItem = arrayToSearch[i];
- if (filterCallback(currentItem)) {
- return currentItem;
- }
- }
- };
- helpers.inherits = function(extensions) {
- //Basic javascript inheritance based on the model created in Backbone.js
- var parent = this;
- var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function() {
- return parent.apply(this, arguments);
- };
-
- var Surrogate = function() {
- this.constructor = ChartElement;
- };
- Surrogate.prototype = parent.prototype;
- ChartElement.prototype = new Surrogate();
-
- ChartElement.extend = helpers.inherits;
-
- if (extensions) {
- helpers.extend(ChartElement.prototype, extensions);
- }
-
- ChartElement.__super__ = parent.prototype;
-
- return ChartElement;
- };
- helpers.noop = function() {};
- helpers.uid = (function() {
- var id = 0;
- return function() {
- return "chart-" + id++;
- };
- })();
- helpers.warn = function(str) {
- //Method for warning of errors
- if (console && typeof console.warn === "function") {
- console.warn(str);
- }
- };
- //-- Math methods
- helpers.isNumber = function(n) {
- return !isNaN(parseFloat(n)) && isFinite(n);
- };
- helpers.almostEquals = function(x, y, epsilon) {
- return Math.abs(x - y) < epsilon;
- };
- helpers.max = function(array) {
- return array.reduce(function(max, value) {
- if (!isNaN(value)) {
- return Math.max(max, value);
- } else {
- return max;
- }
- }, Number.NEGATIVE_INFINITY);
- };
- helpers.min = function(array) {
- return array.reduce(function(min, value) {
- if (!isNaN(value)) {
- return Math.min(min, value);
- } else {
- return min;
- }
- }, Number.POSITIVE_INFINITY);
- };
- helpers.sign = function(x) {
- if (Math.sign) {
- return Math.sign(x);
- } else {
- x = +x; // convert to a number
- if (x === 0 || isNaN(x)) {
- return x;
- }
- return x > 0 ? 1 : -1;
- }
- };
- helpers.log10 = function(x) {
- if (Math.log10) {
- return Math.log10(x);
- } else {
- return Math.log(x) / Math.LN10;
- }
- };
- helpers.toRadians = function(degrees) {
- return degrees * (Math.PI / 180);
- };
- helpers.toDegrees = function(radians) {
- return radians * (180 / Math.PI);
- };
- // Gets the angle from vertical upright to the point about a centre.
- helpers.getAngleFromPoint = function(centrePoint, anglePoint) {
- var distanceFromXCenter = anglePoint.x - centrePoint.x,
- distanceFromYCenter = anglePoint.y - centrePoint.y,
- radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
-
- var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
-
- if (angle < (-0.5 * Math.PI)) {
- angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
- }
-
- return {
- angle: angle,
- distance: radialDistanceFromCenter
- };
- };
- helpers.aliasPixel = function(pixelWidth) {
- return (pixelWidth % 2 === 0) ? 0 : 0.5;
- };
- helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) {
- //Props to Rob Spencer at scaled innovation for his post on splining between points
- //http://scaledinnovation.com/analytics/splines/aboutSplines.html
-
- // This function must also respect "skipped" points
-
- var previous = firstPoint.skip ? middlePoint : firstPoint,
- current = middlePoint,
- next = afterPoint.skip ? middlePoint : afterPoint;
-
- var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2));
- var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2));
-
- var s01 = d01 / (d01 + d12);
- var s12 = d12 / (d01 + d12);
-
- // If all points are the same, s01 & s02 will be inf
- s01 = isNaN(s01) ? 0 : s01;
- s12 = isNaN(s12) ? 0 : s12;
-
- var fa = t * s01; // scaling factor for triangle Ta
- var fb = t * s12;
-
- return {
- previous: {
- x: current.x - fa * (next.x - previous.x),
- y: current.y - fa * (next.y - previous.y)
- },
- next: {
- x: current.x + fb * (next.x - previous.x),
- y: current.y + fb * (next.y - previous.y)
- }
- };
- };
- helpers.nextItem = function(collection, index, loop) {
- if (loop) {
- return index >= collection.length - 1 ? collection[0] : collection[index + 1];
- }
-
- return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
- };
- helpers.previousItem = function(collection, index, loop) {
- if (loop) {
- return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
- }
- return index <= 0 ? collection[0] : collection[index - 1];
- };
- // Implementation of the nice number algorithm used in determining where axis labels will go
- helpers.niceNum = function(range, round) {
- var exponent = Math.floor(helpers.log10(range));
- var fraction = range / Math.pow(10, exponent);
- var niceFraction;
-
- if (round) {
- if (fraction < 1.5) {
- niceFraction = 1;
- } else if (fraction < 3) {
- niceFraction = 2;
- } else if (fraction < 7) {
- niceFraction = 5;
- } else {
- niceFraction = 10;
- }
- } else {
- if (fraction <= 1.0) {
- niceFraction = 1;
- } else if (fraction <= 2) {
- niceFraction = 2;
- } else if (fraction <= 5) {
- niceFraction = 5;
- } else {
- niceFraction = 10;
- }
- }
-
- return niceFraction * Math.pow(10, exponent);
- };
- //Easing functions adapted from Robert Penner's easing equations
- //http://www.robertpenner.com/easing/
- var easingEffects = helpers.easingEffects = {
- linear: function(t) {
- return t;
- },
- easeInQuad: function(t) {
- return t * t;
- },
- easeOutQuad: function(t) {
- return -1 * t * (t - 2);
- },
- easeInOutQuad: function(t) {
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * t * t;
- }
- return -1 / 2 * ((--t) * (t - 2) - 1);
- },
- easeInCubic: function(t) {
- return t * t * t;
- },
- easeOutCubic: function(t) {
- return 1 * ((t = t / 1 - 1) * t * t + 1);
- },
- easeInOutCubic: function(t) {
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * t * t * t;
- }
- return 1 / 2 * ((t -= 2) * t * t + 2);
- },
- easeInQuart: function(t) {
- return t * t * t * t;
- },
- easeOutQuart: function(t) {
- return -1 * ((t = t / 1 - 1) * t * t * t - 1);
- },
- easeInOutQuart: function(t) {
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * t * t * t * t;
- }
- return -1 / 2 * ((t -= 2) * t * t * t - 2);
- },
- easeInQuint: function(t) {
- return 1 * (t /= 1) * t * t * t * t;
- },
- easeOutQuint: function(t) {
- return 1 * ((t = t / 1 - 1) * t * t * t * t + 1);
- },
- easeInOutQuint: function(t) {
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * t * t * t * t * t;
- }
- return 1 / 2 * ((t -= 2) * t * t * t * t + 2);
- },
- easeInSine: function(t) {
- return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1;
- },
- easeOutSine: function(t) {
- return 1 * Math.sin(t / 1 * (Math.PI / 2));
- },
- easeInOutSine: function(t) {
- return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1);
- },
- easeInExpo: function(t) {
- return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1));
- },
- easeOutExpo: function(t) {
- return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1);
- },
- easeInOutExpo: function(t) {
- if (t === 0) {
- return 0;
- }
- if (t === 1) {
- return 1;
- }
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * Math.pow(2, 10 * (t - 1));
- }
- return 1 / 2 * (-Math.pow(2, -10 * --t) + 2);
- },
- easeInCirc: function(t) {
- if (t >= 1) {
- return t;
- }
- return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1);
- },
- easeOutCirc: function(t) {
- return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t);
- },
- easeInOutCirc: function(t) {
- if ((t /= 1 / 2) < 1) {
- return -1 / 2 * (Math.sqrt(1 - t * t) - 1);
- }
- return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1);
- },
- easeInElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if ((t /= 1) === 1) {
- return 1;
- }
- if (!p) {
- p = 1 * 0.3;
- }
- if (a < Math.abs(1)) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
- },
- easeOutElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if ((t /= 1) === 1) {
- return 1;
- }
- if (!p) {
- p = 1 * 0.3;
- }
- if (a < Math.abs(1)) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1;
- },
- easeInOutElastic: function(t) {
- var s = 1.70158;
- var p = 0;
- var a = 1;
- if (t === 0) {
- return 0;
- }
- if ((t /= 1 / 2) === 2) {
- return 1;
- }
- if (!p) {
- p = 1 * (0.3 * 1.5);
- }
- if (a < Math.abs(1)) {
- a = 1;
- s = p / 4;
- } else {
- s = p / (2 * Math.PI) * Math.asin(1 / a);
- }
- if (t < 1) {
- return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
- }
- return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1;
- },
- easeInBack: function(t) {
- var s = 1.70158;
- return 1 * (t /= 1) * t * ((s + 1) * t - s);
- },
- easeOutBack: function(t) {
- var s = 1.70158;
- return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1);
- },
- easeInOutBack: function(t) {
- var s = 1.70158;
- if ((t /= 1 / 2) < 1) {
- return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s));
- }
- return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
- },
- easeInBounce: function(t) {
- return 1 - easingEffects.easeOutBounce(1 - t);
- },
- easeOutBounce: function(t) {
- if ((t /= 1) < (1 / 2.75)) {
- return 1 * (7.5625 * t * t);
- } else if (t < (2 / 2.75)) {
- return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75);
- } else if (t < (2.5 / 2.75)) {
- return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375);
- } else {
- return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375);
- }
- },
- easeInOutBounce: function(t) {
- if (t < 1 / 2) {
- return easingEffects.easeInBounce(t * 2) * 0.5;
- }
- return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5;
- }
- };
- //Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
- helpers.requestAnimFrame = (function() {
- return window.requestAnimationFrame ||
- window.webkitRequestAnimationFrame ||
- window.mozRequestAnimationFrame ||
- window.oRequestAnimationFrame ||
- window.msRequestAnimationFrame ||
- function(callback) {
- return window.setTimeout(callback, 1000 / 60);
- };
- })();
- helpers.cancelAnimFrame = (function() {
- return window.cancelAnimationFrame ||
- window.webkitCancelAnimationFrame ||
- window.mozCancelAnimationFrame ||
- window.oCancelAnimationFrame ||
- window.msCancelAnimationFrame ||
- function(callback) {
- return window.clearTimeout(callback, 1000 / 60);
- };
- })();
- //-- DOM methods
- helpers.getRelativePosition = function(evt, chart) {
- var mouseX, mouseY;
- var e = evt.originalEvent || evt,
- canvas = evt.currentTarget || evt.srcElement,
- boundingRect = canvas.getBoundingClientRect();
-
- if (e.touches && e.touches.length > 0) {
- mouseX = e.touches[0].clientX;
- mouseY = e.touches[0].clientY;
-
- } else {
- mouseX = e.clientX;
- mouseY = e.clientY;
- }
-
- // Scale mouse coordinates into canvas coordinates
- // by following the pattern laid out by 'jerryj' in the comments of
- // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/
- var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left'));
- var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top'));
- var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right'));
- var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom'));
- var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight;
- var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom;
-
- // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However
- // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here
- mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio);
- mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio);
-
- return {
- x: mouseX,
- y: mouseY
- };
-
- };
- helpers.addEvent = function(node, eventType, method) {
- if (node.addEventListener) {
- node.addEventListener(eventType, method);
- } else if (node.attachEvent) {
- node.attachEvent("on" + eventType, method);
- } else {
- node["on" + eventType] = method;
- }
- };
- helpers.removeEvent = function(node, eventType, handler) {
- if (node.removeEventListener) {
- node.removeEventListener(eventType, handler, false);
- } else if (node.detachEvent) {
- node.detachEvent("on" + eventType, handler);
- } else {
- node["on" + eventType] = helpers.noop;
- }
- };
- helpers.bindEvents = function(chartInstance, arrayOfEvents, handler) {
- // Create the events object if it's not already present
- if (!chartInstance.events)
- chartInstance.events = {};
-
- helpers.each(arrayOfEvents, function(eventName) {
- chartInstance.events[eventName] = function() {
- handler.apply(chartInstance, arguments);
- };
- helpers.addEvent(chartInstance.chart.canvas, eventName, chartInstance.events[eventName]);
- });
- };
- helpers.unbindEvents = function(chartInstance, arrayOfEvents) {
- helpers.each(arrayOfEvents, function(handler, eventName) {
- helpers.removeEvent(chartInstance.chart.canvas, eventName, handler);
- });
- };
-
- // Private helper function to convert max-width/max-height values that may be percentages into a number
- function parseMaxStyle(styleValue, node, parentProperty) {
- var valueInPixels;
- if (typeof(styleValue) === 'string') {
- valueInPixels = parseInt(styleValue, 10);
-
- if (styleValue.indexOf('%') != -1) {
- // percentage * size in dimension
- valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty];
- }
- } else {
- valueInPixels = styleValue;
- }
-
- return valueInPixels;
- }
-
- // Private helper to get a constraint dimension
- // @param domNode : the node to check the constraint on
- // @param maxStyle : the style that defines the maximum for the direction we are using (max-width / max-height)
- // @param percentageProperty : property of parent to use when calculating width as a percentage
- function getConstraintDimension(domNode, maxStyle, percentageProperty) {
- var constrainedDimension;
- var constrainedNode = document.defaultView.getComputedStyle(domNode)[maxStyle];
- var constrainedContainer = document.defaultView.getComputedStyle(domNode.parentNode)[maxStyle];
- var hasCNode = constrainedNode !== null && constrainedNode !== "none";
- var hasCContainer = constrainedContainer !== null && constrainedContainer !== "none";
-
- if (hasCNode || hasCContainer) {
- constrainedDimension = Math.min((hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : Number.POSITIVE_INFINITY), (hasCContainer ? parseMaxStyle(constrainedContainer, domNode.parentNode, percentageProperty) : Number.POSITIVE_INFINITY));
- }
- return constrainedDimension;
- }
- // returns Number or undefined if no constraint
- helpers.getConstraintWidth = function(domNode) {
- return getConstraintDimension(domNode, 'max-width', 'clientWidth');
- };
- // returns Number or undefined if no constraint
- helpers.getConstraintHeight = function(domNode) {
- return getConstraintDimension(domNode, 'max-height', 'clientHeight');
- };
- helpers.getMaximumWidth = function(domNode) {
- var container = domNode.parentNode;
- var padding = parseInt(helpers.getStyle(container, 'padding-left')) + parseInt(helpers.getStyle(container, 'padding-right'));
-
- var w = container.clientWidth - padding;
- var cw = helpers.getConstraintWidth(domNode);
- if (cw !== undefined) {
- w = Math.min(w, cw);
- }
-
- return w;
- };
- helpers.getMaximumHeight = function(domNode) {
- var container = domNode.parentNode;
- var padding = parseInt(helpers.getStyle(container, 'padding-top')) + parseInt(helpers.getStyle(container, 'padding-bottom'));
-
- var h = container.clientHeight - padding;
- var ch = helpers.getConstraintHeight(domNode);
- if (ch !== undefined) {
- h = Math.min(h, ch);
- }
-
- return h;
- };
- helpers.getStyle = function(el, property) {
- return el.currentStyle ?
- el.currentStyle[property] :
- document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
- };
- helpers.retinaScale = function(chart) {
- var ctx = chart.ctx;
- var width = chart.canvas.width;
- var height = chart.canvas.height;
- var pixelRatio = chart.currentDevicePixelRatio = window.devicePixelRatio || 1;
-
- if (pixelRatio !== 1) {
- ctx.canvas.height = height * pixelRatio;
- ctx.canvas.width = width * pixelRatio;
- ctx.scale(pixelRatio, pixelRatio);
-
- // Store the device pixel ratio so that we can go backwards in `destroy`.
- // The devicePixelRatio changes with zoom, so there are no guarantees that it is the same
- // when destroy is called
- chart.originalDevicePixelRatio = chart.originalDevicePixelRatio || pixelRatio;
- }
-
- ctx.canvas.style.width = width + 'px';
- ctx.canvas.style.height = height + 'px';
- };
- //-- Canvas methods
- helpers.clear = function(chart) {
- chart.ctx.clearRect(0, 0, chart.width, chart.height);
- };
- helpers.fontString = function(pixelSize, fontStyle, fontFamily) {
- return fontStyle + " " + pixelSize + "px " + fontFamily;
- };
- helpers.longestText = function(ctx, font, arrayOfStrings, cache) {
- cache = cache || {};
- cache.data = cache.data || {};
- cache.garbageCollect = cache.garbageCollect || [];
-
- if (cache.font !== font) {
- cache.data = {};
- cache.garbageCollect = [];
- cache.font = font;
- }
-
- ctx.font = font;
- var longest = 0;
- helpers.each(arrayOfStrings, function(string) {
- // Undefined strings should not be measured
- if (string !== undefined && string !== null) {
- var textWidth = cache.data[string];
- if (!textWidth) {
- textWidth = cache.data[string] = ctx.measureText(string).width;
- cache.garbageCollect.push(string);
- }
-
- if (textWidth > longest) {
- longest = textWidth;
- }
- }
- });
-
- var gcLen = cache.garbageCollect.length / 2;
- if (gcLen > arrayOfStrings.length) {
- for (var i = 0; i < gcLen; i++) {
- delete cache.data[cache.garbageCollect[i]];
- }
- cache.garbageCollect.splice(0, gcLen);
- }
-
- return longest;
- };
- helpers.drawRoundedRectangle = function(ctx, x, y, width, height, radius) {
- ctx.beginPath();
- ctx.moveTo(x + radius, y);
- ctx.lineTo(x + width - radius, y);
- ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
- ctx.lineTo(x + width, y + height - radius);
- ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
- ctx.lineTo(x + radius, y + height);
- ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
- ctx.lineTo(x, y + radius);
- ctx.quadraticCurveTo(x, y, x + radius, y);
- ctx.closePath();
- };
- helpers.color = function(c) {
- if (!color) {
- console.log('Color.js not found!');
- return c;
- }
-
- /* global CanvasGradient */
- if (c instanceof CanvasGradient) {
- return color(Chart.defaults.global.defaultColor);
- }
-
- return color(c);
- };
- helpers.addResizeListener = function(node, callback) {
- // Hide an iframe before the node
- var hiddenIframe = document.createElement('iframe');
- var hiddenIframeClass = 'chartjs-hidden-iframe';
-
- if (hiddenIframe.classlist) {
- // can use classlist
- hiddenIframe.classlist.add(hiddenIframeClass);
- } else {
- hiddenIframe.setAttribute('class', hiddenIframeClass);
- }
-
- // Set the style
- hiddenIframe.style.width = '100%';
- hiddenIframe.style.display = 'block';
- hiddenIframe.style.border = 0;
- hiddenIframe.style.height = 0;
- hiddenIframe.style.margin = 0;
- hiddenIframe.style.position = 'absolute';
- hiddenIframe.style.left = 0;
- hiddenIframe.style.right = 0;
- hiddenIframe.style.top = 0;
- hiddenIframe.style.bottom = 0;
-
- // Insert the iframe so that contentWindow is available
- node.insertBefore(hiddenIframe, node.firstChild);
-
- (hiddenIframe.contentWindow || hiddenIframe).onresize = function() {
- if (callback) {
- callback();
- }
- };
- };
- helpers.removeResizeListener = function(node) {
- var hiddenIframe = node.querySelector('.chartjs-hidden-iframe');
-
- // Remove the resize detect iframe
- if (hiddenIframe) {
- hiddenIframe.parentNode.removeChild(hiddenIframe);
- }
- };
- helpers.isArray = function(obj) {
- if (!Array.isArray) {
- return Object.prototype.toString.call(obj) === '[object Array]';
- }
- return Array.isArray(obj);
- };
- helpers.pushAllIfDefined = function(element, array) {
- if (typeof element === "undefined") {
- return;
- }
-
- if (helpers.isArray(element)) {
- array.push.apply(array, element);
- } else {
- array.push(element);
- }
- };
- helpers.isDatasetVisible = function(dataset) {
- return !dataset.hidden;
- };
- helpers.callCallback = function(fn, args, _tArg) {
- if (fn && typeof fn.call === 'function') {
- fn.apply(_tArg, args);
- }
- };
-
-};
-
-},{"chartjs-color":6}],26:[function(require,module,exports){
-"use strict";
-
-module.exports = function() {
-
- //Occupy the global variable of Chart, and create a simple base class
- var Chart = function(context, config) {
- this.config = config;
-
- // Support a jQuery'd canvas element
- if (context.length && context[0].getContext) {
- context = context[0];
- }
-
- // Support a canvas domnode
- if (context.getContext) {
- context = context.getContext("2d");
- }
-
- this.ctx = context;
- this.canvas = context.canvas;
-
- // Figure out what the size of the chart will be.
- // If the canvas has a specified width and height, we use those else
- // we look to see if the canvas node has a CSS width and height.
- // If there is still no height, fill the parent container
- this.width = context.canvas.width || parseInt(Chart.helpers.getStyle(context.canvas, 'width')) || Chart.helpers.getMaximumWidth(context.canvas);
- this.height = context.canvas.height || parseInt(Chart.helpers.getStyle(context.canvas, 'height')) || Chart.helpers.getMaximumHeight(context.canvas);
-
- this.aspectRatio = this.width / this.height;
-
- if (isNaN(this.aspectRatio) || isFinite(this.aspectRatio) === false) {
- // If the canvas has no size, try and figure out what the aspect ratio will be.
- // Some charts prefer square canvases (pie, radar, etc). If that is specified, use that
- // else use the canvas default ratio of 2
- this.aspectRatio = config.aspectRatio !== undefined ? config.aspectRatio : 2;
- }
-
- // Store the original style of the element so we can set it back
- this.originalCanvasStyleWidth = context.canvas.style.width;
- this.originalCanvasStyleHeight = context.canvas.style.height;
-
- // High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale.
- Chart.helpers.retinaScale(this);
-
- if (config) {
- this.controller = new Chart.Controller(this);
- }
-
- // Always bind this so that if the responsive state changes we still work
- var _this = this;
- Chart.helpers.addResizeListener(context.canvas.parentNode, function() {
- if (_this.controller && _this.controller.config.options.responsive) {
- _this.controller.resize();
- }
- });
-
- return this.controller ? this.controller : this;
-
- };
-
- //Globally expose the defaults to allow for user updating/changing
- Chart.defaults = {
- global: {
- responsive: true,
- responsiveAnimationDuration: 0,
- maintainAspectRatio: true,
- events: ["mousemove", "mouseout", "click", "touchstart", "touchmove"],
- hover: {
- onHover: null,
- mode: 'single',
- animationDuration: 400
- },
- onClick: null,
- defaultColor: 'rgba(0,0,0,0.1)',
- defaultFontColor: '#666',
- defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
- defaultFontSize: 12,
- defaultFontStyle: 'normal',
- showLines: true,
-
- // Element defaults defined in element extensions
- elements: {},
-
- // Legend callback string
- legendCallback: function(chart) {
- var text = [];
- text.push('<ul class="' + chart.id + '-legend">');
- for (var i = 0; i < chart.data.datasets.length; i++) {
- text.push('<li><span style="background-color:' + chart.data.datasets[i].backgroundColor + '"></span>');
- if (chart.data.datasets[i].label) {
- text.push(chart.data.datasets[i].label);
- }
- text.push('</li>');
- }
- text.push('</ul>');
-
- return text.join("");
- }
- }
- };
-
- return Chart;
-
-};
-
-},{}],27:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- // The layout service is very self explanatory. It's responsible for the layout within a chart.
- // Scales, Legends and Plugins all rely on the layout service and can easily register to be placed anywhere they need
- // It is this service's responsibility of carrying out that layout.
- Chart.layoutService = {
- defaults: {},
-
- // Register a box to a chartInstance. A box is simply a reference to an object that requires layout. eg. Scales, Legend, Plugins.
- addBox: function(chartInstance, box) {
- if (!chartInstance.boxes) {
- chartInstance.boxes = [];
- }
- chartInstance.boxes.push(box);
- },
-
- removeBox: function(chartInstance, box) {
- if (!chartInstance.boxes) {
- return;
- }
- chartInstance.boxes.splice(chartInstance.boxes.indexOf(box), 1);
- },
-
- // The most important function
- update: function(chartInstance, width, height) {
-
- if (!chartInstance) {
- return;
- }
-
- var xPadding = 0;
- var yPadding = 0;
-
- var leftBoxes = helpers.where(chartInstance.boxes, function(box) {
- return box.options.position === "left";
- });
- var rightBoxes = helpers.where(chartInstance.boxes, function(box) {
- return box.options.position === "right";
- });
- var topBoxes = helpers.where(chartInstance.boxes, function(box) {
- return box.options.position === "top";
- });
- var bottomBoxes = helpers.where(chartInstance.boxes, function(box) {
- return box.options.position === "bottom";
- });
-
- // Boxes that overlay the chartarea such as the radialLinear scale
- var chartAreaBoxes = helpers.where(chartInstance.boxes, function(box) {
- return box.options.position === "chartArea";
- });
-
- function fullWidthSorter(a, b) {
-
- }
-
- // Ensure that full width boxes are at the very top / bottom
- topBoxes.sort(function(a, b) {
- return (b.options.fullWidth ? 1 : 0) - (a.options.fullWidth ? 1 : 0);
- });
- bottomBoxes.sort(function(a, b) {
- return (a.options.fullWidth ? 1 : 0) - (b.options.fullWidth ? 1 : 0);
- });
-
- // Essentially we now have any number of boxes on each of the 4 sides.
- // Our canvas looks like the following.
- // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and
- // B1 is the bottom axis
- // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays
- // These locations are single-box locations only, when trying to register a chartArea location that is already taken,
- // an error will be thrown.
- //
- // |----------------------------------------------------|
- // | T1 (Full Width) |
- // |----------------------------------------------------|
- // | | | T2 | |
- // | |----|-------------------------------------|----|
- // | | | C1 | | C2 | |
- // | | |----| |----| |
- // | | | | |
- // | L1 | L2 | ChartArea (C0) | R1 |
- // | | | | |
- // | | |----| |----| |
- // | | | C3 | | C4 | |
- // | |----|-------------------------------------|----|
- // | | | B1 | |
- // |----------------------------------------------------|
- // | B2 (Full Width) |
- // |----------------------------------------------------|
- //
- // What we do to find the best sizing, we do the following
- // 1. Determine the minimum size of the chart area.
- // 2. Split the remaining width equally between each vertical axis
- // 3. Split the remaining height equally between each horizontal axis
- // 4. Give each layout the maximum size it can be. The layout will return it's minimum size
- // 5. Adjust the sizes of each axis based on it's minimum reported size.
- // 6. Refit each axis
- // 7. Position each axis in the final location
- // 8. Tell the chart the final location of the chart area
- // 9. Tell any axes that overlay the chart area the positions of the chart area
-
- // Step 1
- var chartWidth = width - (2 * xPadding);
- var chartHeight = height - (2 * yPadding);
- var chartAreaWidth = chartWidth / 2; // min 50%
- var chartAreaHeight = chartHeight / 2; // min 50%
-
- // Step 2
- var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length);
-
- // Step 3
- var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length);
-
- // Step 4
- var maxChartAreaWidth = chartWidth;
- var maxChartAreaHeight = chartHeight;
- var minBoxSizes = [];
-
- helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize);
-
- function getMinimumBoxSize(box) {
- var minSize;
- var isHorizontal = box.isHorizontal();
-
- if (isHorizontal) {
- minSize = box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight);
- maxChartAreaHeight -= minSize.height;
- } else {
- minSize = box.update(verticalBoxWidth, chartAreaHeight);
- maxChartAreaWidth -= minSize.width;
- }
-
- minBoxSizes.push({
- horizontal: isHorizontal,
- minSize: minSize,
- box: box
- });
- }
-
- // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could
- // be if the axes are drawn at their minimum sizes.
-
- // Steps 5 & 6
- var totalLeftBoxesWidth = xPadding;
- var totalRightBoxesWidth = xPadding;
- var totalTopBoxesHeight = yPadding;
- var totalBottomBoxesHeight = yPadding;
-
- // Update, and calculate the left and right margins for the horizontal boxes
- helpers.each(leftBoxes.concat(rightBoxes), fitBox);
-
- helpers.each(leftBoxes, function(box) {
- totalLeftBoxesWidth += box.width;
- });
-
- helpers.each(rightBoxes, function(box) {
- totalRightBoxesWidth += box.width;
- });
-
- // Set the Left and Right margins for the horizontal boxes
- helpers.each(topBoxes.concat(bottomBoxes), fitBox);
-
- // Function to fit a box
- function fitBox(box) {
- var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) {
- return minBoxSize.box === box;
- });
-
- if (minBoxSize) {
- if (box.isHorizontal()) {
- var scaleMargin = {
- left: totalLeftBoxesWidth,
- right: totalRightBoxesWidth,
- top: 0,
- bottom: 0
- };
-
- // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends
- // on the margin. Sometimes they need to increase in size slightly
- box.update(box.options.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin);
- } else {
- box.update(minBoxSize.minSize.width, maxChartAreaHeight);
- }
- }
- }
-
- // Figure out how much margin is on the top and bottom of the vertical boxes
- helpers.each(topBoxes, function(box) {
- totalTopBoxesHeight += box.height;
- });
-
- helpers.each(bottomBoxes, function(box) {
- totalBottomBoxesHeight += box.height;
- });
-
- // Let the left layout know the final margin
- helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox);
-
- function finalFitVerticalBox(box) {
- var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBoxSize) {
- return minBoxSize.box === box;
- });
-
- var scaleMargin = {
- left: 0,
- right: 0,
- top: totalTopBoxesHeight,
- bottom: totalBottomBoxesHeight
- };
-
- if (minBoxSize) {
- box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin);
- }
- }
-
- // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance)
- totalLeftBoxesWidth = xPadding;
- totalRightBoxesWidth = xPadding;
- totalTopBoxesHeight = yPadding;
- totalBottomBoxesHeight = yPadding;
-
- helpers.each(leftBoxes, function(box) {
- totalLeftBoxesWidth += box.width;
- });
-
- helpers.each(rightBoxes, function(box) {
- totalRightBoxesWidth += box.width;
- });
-
- helpers.each(topBoxes, function(box) {
- totalTopBoxesHeight += box.height;
- });
- helpers.each(bottomBoxes, function(box) {
- totalBottomBoxesHeight += box.height;
- });
-
- // Figure out if our chart area changed. This would occur if the dataset layout label rotation
- // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do
- // without calling `fit` again
- var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight;
- var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth;
-
- if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) {
- helpers.each(leftBoxes, function(box) {
- box.height = newMaxChartAreaHeight;
- });
-
- helpers.each(rightBoxes, function(box) {
- box.height = newMaxChartAreaHeight;
- });
-
- helpers.each(topBoxes, function(box) {
- box.width = newMaxChartAreaWidth;
- });
-
- helpers.each(bottomBoxes, function(box) {
- box.width = newMaxChartAreaWidth;
- });
-
- maxChartAreaHeight = newMaxChartAreaHeight;
- maxChartAreaWidth = newMaxChartAreaWidth;
- }
-
- // Step 7 - Position the boxes
- var left = xPadding;
- var top = yPadding;
- var right = 0;
- var bottom = 0;
-
- helpers.each(leftBoxes.concat(topBoxes), placeBox);
-
- // Account for chart width and height
- left += maxChartAreaWidth;
- top += maxChartAreaHeight;
-
- helpers.each(rightBoxes, placeBox);
- helpers.each(bottomBoxes, placeBox);
-
- function placeBox(box) {
- if (box.isHorizontal()) {
- box.left = box.options.fullWidth ? xPadding : totalLeftBoxesWidth;
- box.right = box.options.fullWidth ? width - xPadding : totalLeftBoxesWidth + maxChartAreaWidth;
- box.top = top;
- box.bottom = top + box.height;
-
- // Move to next point
- top = box.bottom;
-
- } else {
-
- box.left = left;
- box.right = left + box.width;
- box.top = totalTopBoxesHeight;
- box.bottom = totalTopBoxesHeight + maxChartAreaHeight;
-
- // Move to next point
- left = box.right;
- }
- }
-
- // Step 8
- chartInstance.chartArea = {
- left: totalLeftBoxesWidth,
- top: totalTopBoxesHeight,
- right: totalLeftBoxesWidth + maxChartAreaWidth,
- bottom: totalTopBoxesHeight + maxChartAreaHeight
- };
-
- // Step 9
- helpers.each(chartAreaBoxes, function(box) {
- box.left = chartInstance.chartArea.left;
- box.top = chartInstance.chartArea.top;
- box.right = chartInstance.chartArea.right;
- box.bottom = chartInstance.chartArea.bottom;
-
- box.update(maxChartAreaWidth, maxChartAreaHeight);
- });
- }
- };
-};
-
-},{}],28:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.legend = {
-
- display: true,
- position: 'top',
- fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes)
- reverse: false,
-
- // a callback that will handle
- onClick: function(e, legendItem) {
- var dataset = this.chart.data.datasets[legendItem.datasetIndex];
- dataset.hidden = !dataset.hidden;
-
- // We hid a dataset ... rerender the chart
- this.chart.update();
- },
-
- labels: {
- boxWidth: 40,
- padding: 10,
- // Generates labels shown in the legend
- // Valid properties to return:
- // text : text to display
- // fillStyle : fill of coloured box
- // strokeStyle: stroke of coloured box
- // hidden : if this legend item refers to a hidden item
- // lineCap : cap style for line
- // lineDash
- // lineDashOffset :
- // lineJoin :
- // lineWidth :
- generateLabels: function(data) {
- return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) {
- return {
- text: dataset.label,
- fillStyle: dataset.backgroundColor,
- hidden: dataset.hidden,
- lineCap: dataset.borderCapStyle,
- lineDash: dataset.borderDash,
- lineDashOffset: dataset.borderDashOffset,
- lineJoin: dataset.borderJoinStyle,
- lineWidth: dataset.borderWidth,
- strokeStyle: dataset.borderColor,
-
- // Below is extra data used for toggling the datasets
- datasetIndex: i
- };
- }, this) : [];
- }
- }
- };
-
- Chart.Legend = Chart.Element.extend({
-
- initialize: function(config) {
- helpers.extend(this, config);
-
- // Contains hit boxes for each dataset (in dataset order)
- this.legendHitBoxes = [];
-
- // Are we in doughnut mode which has a different data type
- this.doughnutMode = false;
- },
-
- // These methods are ordered by lifecyle. Utilities then follow.
- // Any function defined here is inherited by all legend types.
- // Any function can be extended by the legend type
-
- beforeUpdate: helpers.noop,
- update: function(maxWidth, maxHeight, margins) {
-
- // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
- this.beforeUpdate();
-
- // Absorb the master measurements
- this.maxWidth = maxWidth;
- this.maxHeight = maxHeight;
- this.margins = margins;
-
- // Dimensions
- this.beforeSetDimensions();
- this.setDimensions();
- this.afterSetDimensions();
- // Labels
- this.beforeBuildLabels();
- this.buildLabels();
- this.afterBuildLabels();
-
- // Fit
- this.beforeFit();
- this.fit();
- this.afterFit();
- //
- this.afterUpdate();
-
- return this.minSize;
-
- },
- afterUpdate: helpers.noop,
-
- //
-
- beforeSetDimensions: helpers.noop,
- setDimensions: function() {
- // Set the unconstrained dimension before label rotation
- if (this.isHorizontal()) {
- // Reset position before calculating rotation
- this.width = this.maxWidth;
- this.left = 0;
- this.right = this.width;
- } else {
- this.height = this.maxHeight;
-
- // Reset position before calculating rotation
- this.top = 0;
- this.bottom = this.height;
- }
-
- // Reset padding
- this.paddingLeft = 0;
- this.paddingTop = 0;
- this.paddingRight = 0;
- this.paddingBottom = 0;
-
- // Reset minSize
- this.minSize = {
- width: 0,
- height: 0
- };
- },
- afterSetDimensions: helpers.noop,
-
- //
-
- beforeBuildLabels: helpers.noop,
- buildLabels: function() {
- this.legendItems = this.options.labels.generateLabels.call(this, this.chart.data);
- if(this.options.reverse){
- this.legendItems.reverse();
- }
- },
- afterBuildLabels: helpers.noop,
-
- //
-
- beforeFit: helpers.noop,
- fit: function() {
-
- var ctx = this.ctx;
- var fontSize = helpers.getValueOrDefault(this.options.labels.fontSize, Chart.defaults.global.defaultFontSize);
- var fontStyle = helpers.getValueOrDefault(this.options.labels.fontStyle, Chart.defaults.global.defaultFontStyle);
- var fontFamily = helpers.getValueOrDefault(this.options.labels.fontFamily, Chart.defaults.global.defaultFontFamily);
- var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);
-
- // Reset hit boxes
- this.legendHitBoxes = [];
-
- // Width
- if (this.isHorizontal()) {
- this.minSize.width = this.maxWidth; // fill all the width
- } else {
- this.minSize.width = this.options.display ? 10 : 0;
- }
-
- // height
- if (this.isHorizontal()) {
- this.minSize.height = this.options.display ? 10 : 0;
- } else {
- this.minSize.height = this.maxHeight; // fill all the height
- }
-
- // Increase sizes here
- if (this.options.display) {
- if (this.isHorizontal()) {
- // Labels
-
- // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one
- this.lineWidths = [0];
- var totalHeight = this.legendItems.length ? fontSize + (this.options.labels.padding) : 0;
-
- ctx.textAlign = "left";
- ctx.textBaseline = 'top';
- ctx.font = labelFont;
-
- helpers.each(this.legendItems, function(legendItem, i) {
- var width = this.options.labels.boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width;
- if (this.lineWidths[this.lineWidths.length - 1] + width + this.options.labels.padding >= this.width) {
- totalHeight += fontSize + (this.options.labels.padding);
- this.lineWidths[this.lineWidths.length] = this.left;
- }
-
- // Store the hitbox width and height here. Final position will be updated in `draw`
- this.legendHitBoxes[i] = {
- left: 0,
- top: 0,
- width: width,
- height: fontSize
- };
-
- this.lineWidths[this.lineWidths.length - 1] += width + this.options.labels.padding;
- }, this);
-
- this.minSize.height += totalHeight;
-
- } else {
- // TODO vertical
- }
- }
-
- this.width = this.minSize.width;
- this.height = this.minSize.height;
-
- },
- afterFit: helpers.noop,
-
- // Shared Methods
- isHorizontal: function() {
- return this.options.position === "top" || this.options.position === "bottom";
- },
-
- // Actualy draw the legend on the canvas
- draw: function() {
- if (this.options.display) {
- var ctx = this.ctx;
- var cursor = {
- x: this.left + ((this.width - this.lineWidths[0]) / 2),
- y: this.top + this.options.labels.padding,
- line: 0
- };
-
- var fontColor = helpers.getValueOrDefault(this.options.labels.fontColor, Chart.defaults.global.defaultFontColor);
- var fontSize = helpers.getValueOrDefault(this.options.labels.fontSize, Chart.defaults.global.defaultFontSize);
- var fontStyle = helpers.getValueOrDefault(this.options.labels.fontStyle, Chart.defaults.global.defaultFontStyle);
- var fontFamily = helpers.getValueOrDefault(this.options.labels.fontFamily, Chart.defaults.global.defaultFontFamily);
- var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily);
-
- // Horizontal
- if (this.isHorizontal()) {
- // Labels
- ctx.textAlign = "left";
- ctx.textBaseline = 'top';
- ctx.lineWidth = 0.5;
- ctx.strokeStyle = fontColor; // for strikethrough effect
- ctx.fillStyle = fontColor; // render in correct colour
- ctx.font = labelFont;
-
- helpers.each(this.legendItems, function(legendItem, i) {
- var textWidth = ctx.measureText(legendItem.text).width;
- var width = this.options.labels.boxWidth + (fontSize / 2) + textWidth;
-
- if (cursor.x + width >= this.width) {
- cursor.y += fontSize + (this.options.labels.padding);
- cursor.line++;
- cursor.x = this.left + ((this.width - this.lineWidths[cursor.line]) / 2);
- }
-
- // Set the ctx for the box
- ctx.save();
-
- var itemOrDefault = function(item, defaulVal) {
- return item !== undefined ? item : defaulVal;
- };
-
- ctx.fillStyle = itemOrDefault(legendItem.fillStyle, Chart.defaults.global.defaultColor);
- ctx.lineCap = itemOrDefault(legendItem.lineCap, Chart.defaults.global.elements.line.borderCapStyle);
- ctx.lineDashOffset = itemOrDefault(legendItem.lineDashOffset, Chart.defaults.global.elements.line.borderDashOffset);
- ctx.lineJoin = itemOrDefault(legendItem.lineJoin, Chart.defaults.global.elements.line.borderJoinStyle);
- ctx.lineWidth = itemOrDefault(legendItem.lineWidth, Chart.defaults.global.elements.line.borderWidth);
- ctx.strokeStyle = itemOrDefault(legendItem.strokeStyle, Chart.defaults.global.defaultColor);
-
- if (ctx.setLineDash) {
- // IE 9 and 10 do not support line dash
- ctx.setLineDash(itemOrDefault(legendItem.lineDash, Chart.defaults.global.elements.line.borderDash));
- }
-
- // Draw the box
- ctx.strokeRect(cursor.x, cursor.y, this.options.labels.boxWidth, fontSize);
- ctx.fillRect(cursor.x, cursor.y, this.options.labels.boxWidth, fontSize);
-
- ctx.restore();
-
- this.legendHitBoxes[i].left = cursor.x;
- this.legendHitBoxes[i].top = cursor.y;
-
- // Fill the actual label
- ctx.fillText(legendItem.text, this.options.labels.boxWidth + (fontSize / 2) + cursor.x, cursor.y);
-
- if (legendItem.hidden) {
- // Strikethrough the text if hidden
- ctx.beginPath();
- ctx.lineWidth = 2;
- ctx.moveTo(this.options.labels.boxWidth + (fontSize / 2) + cursor.x, cursor.y + (fontSize / 2));
- ctx.lineTo(this.options.labels.boxWidth + (fontSize / 2) + cursor.x + textWidth, cursor.y + (fontSize / 2));
- ctx.stroke();
- }
-
- cursor.x += width + (this.options.labels.padding);
- }, this);
- } else {
-
- }
- }
- },
-
- // Handle an event
- handleEvent: function(e) {
- var position = helpers.getRelativePosition(e, this.chart.chart);
-
- if (position.x >= this.left && position.x <= this.right && position.y >= this.top && position.y <= this.bottom) {
- // See if we are touching one of the dataset boxes
- for (var i = 0; i < this.legendHitBoxes.length; ++i) {
- var hitBox = this.legendHitBoxes[i];
-
- if (position.x >= hitBox.left && position.x <= hitBox.left + hitBox.width && position.y >= hitBox.top && position.y <= hitBox.top + hitBox.height) {
- // Touching an element
- if (this.options.onClick) {
- this.options.onClick.call(this, e, this.legendItems[i]);
- }
- break;
- }
- }
- }
- }
- });
-
-};
-
-},{}],29:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.scale = {
- display: true,
-
- // grid line settings
- gridLines: {
- display: true,
- color: "rgba(0, 0, 0, 0.1)",
- lineWidth: 1,
- drawOnChartArea: true,
- drawTicks: true,
- zeroLineWidth: 1,
- zeroLineColor: "rgba(0,0,0,0.25)",
- offsetGridLines: false
- },
-
- // scale label
- scaleLabel: {
- // actual label
- labelString: '',
-
- // display property
- display: false
- },
-
- // label settings
- ticks: {
- beginAtZero: false,
- maxRotation: 50,
- mirror: false,
- padding: 10,
- reverse: false,
- display: true,
- autoSkip: true,
- autoSkipPadding: 0,
- callback: function(value) {
- return '' + value;
- }
- }
- };
-
- Chart.Scale = Chart.Element.extend({
-
- // These methods are ordered by lifecyle. Utilities then follow.
- // Any function defined here is inherited by all scale types.
- // Any function can be extended by the scale type
-
- beforeUpdate: function() {
- helpers.callCallback(this.options.beforeUpdate, [this]);
- },
- update: function(maxWidth, maxHeight, margins) {
-
- // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
- this.beforeUpdate();
-
- // Absorb the master measurements
- this.maxWidth = maxWidth;
- this.maxHeight = maxHeight;
- this.margins = helpers.extend({
- left: 0,
- right: 0,
- top: 0,
- bottom: 0
- }, margins);
-
- // Dimensions
- this.beforeSetDimensions();
- this.setDimensions();
- this.afterSetDimensions();
-
- // Data min/max
- this.beforeDataLimits();
- this.determineDataLimits();
- this.afterDataLimits();
-
- // Ticks
- this.beforeBuildTicks();
- this.buildTicks();
- this.afterBuildTicks();
-
- this.beforeTickToLabelConversion();
- this.convertTicksToLabels();
- this.afterTickToLabelConversion();
-
- // Tick Rotation
- this.beforeCalculateTickRotation();
- this.calculateTickRotation();
- this.afterCalculateTickRotation();
- // Fit
- this.beforeFit();
- this.fit();
- this.afterFit();
- //
- this.afterUpdate();
-
- return this.minSize;
-
- },
- afterUpdate: function() {
- helpers.callCallback(this.options.afterUpdate, [this]);
- },
-
- //
-
- beforeSetDimensions: function() {
- helpers.callCallback(this.options.beforeSetDimensions, [this]);
- },
- setDimensions: function() {
- // Set the unconstrained dimension before label rotation
- if (this.isHorizontal()) {
- // Reset position before calculating rotation
- this.width = this.maxWidth;
- this.left = 0;
- this.right = this.width;
- } else {
- this.height = this.maxHeight;
-
- // Reset position before calculating rotation
- this.top = 0;
- this.bottom = this.height;
- }
-
- // Reset padding
- this.paddingLeft = 0;
- this.paddingTop = 0;
- this.paddingRight = 0;
- this.paddingBottom = 0;
- },
- afterSetDimensions: function() {
- helpers.callCallback(this.options.afterSetDimensions, [this]);
- },
-
- // Data limits
- beforeDataLimits: function() {
- helpers.callCallback(this.options.beforeDataLimits, [this]);
- },
- determineDataLimits: helpers.noop,
- afterDataLimits: function() {
- helpers.callCallback(this.options.afterDataLimits, [this]);
- },
-
- //
- beforeBuildTicks: function() {
- helpers.callCallback(this.options.beforeBuildTicks, [this]);
- },
- buildTicks: helpers.noop,
- afterBuildTicks: function() {
- helpers.callCallback(this.options.afterBuildTicks, [this]);
- },
-
- beforeTickToLabelConversion: function() {
- helpers.callCallback(this.options.beforeTickToLabelConversion, [this]);
- },
- convertTicksToLabels: function() {
- // Convert ticks to strings
- this.ticks = this.ticks.map(function(numericalTick, index, ticks) {
- if (this.options.ticks.userCallback) {
- return this.options.ticks.userCallback(numericalTick, index, ticks);
- }
- return this.options.ticks.callback(numericalTick, index, ticks);
- },
- this);
- },
- afterTickToLabelConversion: function() {
- helpers.callCallback(this.options.afterTickToLabelConversion, [this]);
- },
-
- //
-
- beforeCalculateTickRotation: function() {
- helpers.callCallback(this.options.beforeCalculateTickRotation, [this]);
- },
- calculateTickRotation: function() {
- //Get the width of each grid by calculating the difference
- //between x offsets between 0 and 1.
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
- var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
- var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
- this.ctx.font = tickLabelFont;
-
- var firstWidth = this.ctx.measureText(this.ticks[0]).width;
- var lastWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;
- var firstRotated;
-
- this.labelRotation = 0;
- this.paddingRight = 0;
- this.paddingLeft = 0;
-
- if (this.options.display) {
- if (this.isHorizontal()) {
- this.paddingRight = lastWidth / 2 + 3;
- this.paddingLeft = firstWidth / 2 + 3;
-
- if (!this.longestTextCache) {
- this.longestTextCache = {};
- }
- var originalLabelWidth = helpers.longestText(this.ctx, tickLabelFont, this.ticks, this.longestTextCache);
- var labelWidth = originalLabelWidth;
- var cosRotation;
- var sinRotation;
-
- // Allow 3 pixels x2 padding either side for label readability
- // only the index matters for a dataset scale, but we want a consistent interface between scales
- var tickWidth = this.getPixelForTick(1) - this.getPixelForTick(0) - 6;
-
- //Max label rotation can be set or default to 90 - also act as a loop counter
- while (labelWidth > tickWidth && this.labelRotation < this.options.ticks.maxRotation) {
- cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
- sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
-
- firstRotated = cosRotation * firstWidth;
-
- // We're right aligning the text now.
- if (firstRotated + tickFontSize / 2 > this.yLabelWidth) {
- this.paddingLeft = firstRotated + tickFontSize / 2;
- }
-
- this.paddingRight = tickFontSize / 2;
-
- if (sinRotation * originalLabelWidth > this.maxHeight) {
- // go back one step
- this.labelRotation--;
- break;
- }
-
- this.labelRotation++;
- labelWidth = cosRotation * originalLabelWidth;
- }
- }
- }
-
- if (this.margins) {
- this.paddingLeft = Math.max(this.paddingLeft - this.margins.left, 0);
- this.paddingRight = Math.max(this.paddingRight - this.margins.right, 0);
- }
- },
- afterCalculateTickRotation: function() {
- helpers.callCallback(this.options.afterCalculateTickRotation, [this]);
- },
-
- //
-
- beforeFit: function() {
- helpers.callCallback(this.options.beforeFit, [this]);
- },
- fit: function() {
-
- this.minSize = {
- width: 0,
- height: 0
- };
-
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
- var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
- var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
-
- var scaleLabelFontSize = helpers.getValueOrDefault(this.options.scaleLabel.fontSize, Chart.defaults.global.defaultFontSize);
- var scaleLabelFontStyle = helpers.getValueOrDefault(this.options.scaleLabel.fontStyle, Chart.defaults.global.defaultFontStyle);
- var scaleLabelFontFamily = helpers.getValueOrDefault(this.options.scaleLabel.fontFamily, Chart.defaults.global.defaultFontFamily);
- var scaleLabelFont = helpers.fontString(scaleLabelFontSize, scaleLabelFontStyle, scaleLabelFontFamily);
-
- // Width
- if (this.isHorizontal()) {
- // subtract the margins to line up with the chartArea if we are a full width scale
- this.minSize.width = this.isFullWidth() ? this.maxWidth - this.margins.left - this.margins.right : this.maxWidth;
- } else {
- this.minSize.width = this.options.gridLines.display && this.options.display ? 10 : 0;
- }
-
- // height
- if (this.isHorizontal()) {
- this.minSize.height = this.options.gridLines.display && this.options.display ? 10 : 0;
- } else {
- this.minSize.height = this.maxHeight; // fill all the height
- }
-
- // Are we showing a title for the scale?
- if (this.options.scaleLabel.display) {
- if (this.isHorizontal()) {
- this.minSize.height += (scaleLabelFontSize * 1.5);
- } else {
- this.minSize.width += (scaleLabelFontSize * 1.5);
- }
- }
-
- if (this.options.ticks.display && this.options.display) {
- // Don't bother fitting the ticks if we are not showing them
- if (!this.longestTextCache) {
- this.longestTextCache = {};
- }
-
- var largestTextWidth = helpers.longestText(this.ctx, tickLabelFont, this.ticks, this.longestTextCache);
-
- if (this.isHorizontal()) {
- // A horizontal axis is more constrained by the height.
- this.longestLabelWidth = largestTextWidth;
-
- // TODO - improve this calculation
- var labelHeight = (Math.sin(helpers.toRadians(this.labelRotation)) * this.longestLabelWidth) + 1.5 * tickFontSize;
-
- this.minSize.height = Math.min(this.maxHeight, this.minSize.height + labelHeight);
- this.ctx.font = tickLabelFont;
-
- var firstLabelWidth = this.ctx.measureText(this.ticks[0]).width;
- var lastLabelWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;
-
- // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned which means that the right padding is dominated
- // by the font height
- var cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
- var sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
- this.paddingLeft = this.labelRotation !== 0 ? (cosRotation * firstLabelWidth) + 3 : firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges
- this.paddingRight = this.labelRotation !== 0 ? (sinRotation * (tickFontSize / 2)) + 3 : lastLabelWidth / 2 + 3; // when rotated
- } else {
- // A vertical axis is more constrained by the width. Labels are the dominant factor here, so get that length first
- var maxLabelWidth = this.maxWidth - this.minSize.width;
-
- // Account for padding
- if (!this.options.ticks.mirror) {
- largestTextWidth += this.options.ticks.padding;
- }
-
- if (largestTextWidth < maxLabelWidth) {
- // We don't need all the room
- this.minSize.width += largestTextWidth;
- } else {
- // Expand to max size
- this.minSize.width = this.maxWidth;
- }
-
- this.paddingTop = tickFontSize / 2;
- this.paddingBottom = tickFontSize / 2;
- }
- }
-
- if (this.margins) {
- this.paddingLeft = Math.max(this.paddingLeft - this.margins.left, 0);
- this.paddingTop = Math.max(this.paddingTop - this.margins.top, 0);
- this.paddingRight = Math.max(this.paddingRight - this.margins.right, 0);
- this.paddingBottom = Math.max(this.paddingBottom - this.margins.bottom, 0);
- }
-
- this.width = this.minSize.width;
- this.height = this.minSize.height;
-
- },
- afterFit: function() {
- helpers.callCallback(this.options.afterFit, [this]);
- },
-
- // Shared Methods
- isHorizontal: function() {
- return this.options.position === "top" || this.options.position === "bottom";
- },
- isFullWidth: function() {
- return (this.options.fullWidth);
- },
-
- // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not
- getRightValue: function getRightValue(rawValue) {
- // Null and undefined values first
- if (rawValue === null || typeof(rawValue) === 'undefined') {
- return NaN;
- }
- // isNaN(object) returns true, so make sure NaN is checking for a number
- if (typeof(rawValue) === 'number' && isNaN(rawValue)) {
- return NaN;
- }
- // If it is in fact an object, dive in one more level
- if (typeof(rawValue) === "object") {
- if (rawValue instanceof Date) {
- return rawValue;
- } else {
- return getRightValue(this.isHorizontal() ? rawValue.x : rawValue.y);
- }
- }
-
- // Value is good, return it
- return rawValue;
- },
-
- // Used to get the value to display in the tooltip for the data at the given index
- // function getLabelForIndex(index, datasetIndex)
- getLabelForIndex: helpers.noop,
-
- // Used to get data value locations. Value can either be an index or a numerical value
- getPixelForValue: helpers.noop,
-
- // Used for tick location, should
- getPixelForTick: function(index, includeOffset) {
- if (this.isHorizontal()) {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- var tickWidth = innerWidth / Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
- var pixel = (tickWidth * index) + this.paddingLeft;
-
- if (includeOffset) {
- pixel += tickWidth / 2;
- }
-
- var finalVal = this.left + Math.round(pixel);
- finalVal += this.isFullWidth() ? this.margins.left : 0;
- return finalVal;
- } else {
- var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
- return this.top + (index * (innerHeight / (this.ticks.length - 1)));
- }
- },
-
- // Utility for getting the pixel location of a percentage of scale
- getPixelForDecimal: function(decimal /*, includeOffset*/ ) {
- if (this.isHorizontal()) {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- var valueOffset = (innerWidth * decimal) + this.paddingLeft;
-
- var finalVal = this.left + Math.round(valueOffset);
- finalVal += this.isFullWidth() ? this.margins.left : 0;
- return finalVal;
- } else {
- return this.top + (decimal * this.height);
- }
- },
-
- // Actualy draw the scale on the canvas
- // @param {rectangle} chartArea : the area of the chart to draw full grid lines on
- draw: function(chartArea) {
- if (this.options.display) {
-
- var setContextLineSettings;
- var isRotated = this.labelRotation !== 0;
- var skipRatio;
- var scaleLabelX;
- var scaleLabelY;
- var useAutoskipper = this.options.ticks.autoSkip;
-
-
- // figure out the maximum number of gridlines to show
- var maxTicks;
-
- if (this.options.ticks.maxTicksLimit) {
- maxTicks = this.options.ticks.maxTicksLimit;
- }
-
- var tickFontColor = helpers.getValueOrDefault(this.options.ticks.fontColor, Chart.defaults.global.defaultFontColor);
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
- var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
- var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
-
- var scaleLabelFontColor = helpers.getValueOrDefault(this.options.scaleLabel.fontColor, Chart.defaults.global.defaultFontColor);
- var scaleLabelFontSize = helpers.getValueOrDefault(this.options.scaleLabel.fontSize, Chart.defaults.global.defaultFontSize);
- var scaleLabelFontStyle = helpers.getValueOrDefault(this.options.scaleLabel.fontStyle, Chart.defaults.global.defaultFontStyle);
- var scaleLabelFontFamily = helpers.getValueOrDefault(this.options.scaleLabel.fontFamily, Chart.defaults.global.defaultFontFamily);
- var scaleLabelFont = helpers.fontString(scaleLabelFontSize, scaleLabelFontStyle, scaleLabelFontFamily);
-
- var cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
- var sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
- var longestRotatedLabel = this.longestLabelWidth * cosRotation;
- var rotatedLabelHeight = tickFontSize * sinRotation;
-
- // Make sure we draw text in the correct color and font
- this.ctx.fillStyle = tickFontColor;
-
- if (this.isHorizontal()) {
- setContextLineSettings = true;
- var yTickStart = this.options.position === "bottom" ? this.top : this.bottom - 10;
- var yTickEnd = this.options.position === "bottom" ? this.top + 10 : this.bottom;
- skipRatio = false;
-
- if (((longestRotatedLabel / 2) + this.options.ticks.autoSkipPadding) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) {
- skipRatio = 1 + Math.floor((((longestRotatedLabel / 2) + this.options.ticks.autoSkipPadding) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight)));
- }
-
- // if they defined a max number of ticks,
- // increase skipRatio until that number is met
- if (maxTicks && this.ticks.length > maxTicks) {
- while (!skipRatio || this.ticks.length / (skipRatio || 1) > maxTicks) {
- if (!skipRatio) {
- skipRatio = 1;
- }
- skipRatio += 1;
- }
- }
-
- if (!useAutoskipper) {
- skipRatio = false;
- }
-
- helpers.each(this.ticks, function(label, index) {
- // Blank ticks
- var isLastTick = this.ticks.length === index + 1;
-
- // Since we always show the last tick,we need may need to hide the last shown one before
- var shouldSkip = (skipRatio > 1 && index % skipRatio > 0) || (index % skipRatio === 0 && index + skipRatio > this.ticks.length);
- if (shouldSkip && !isLastTick || (label === undefined || label === null)) {
- return;
- }
- var xLineValue = this.getPixelForTick(index); // xvalues for grid lines
- var xLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)
-
- if (this.options.gridLines.display) {
- if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
- // Draw the first index specially
- this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
- this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
- setContextLineSettings = true; // reset next time
- } else if (setContextLineSettings) {
- this.ctx.lineWidth = this.options.gridLines.lineWidth;
- this.ctx.strokeStyle = this.options.gridLines.color;
- setContextLineSettings = false;
- }
-
- xLineValue += helpers.aliasPixel(this.ctx.lineWidth);
-
- // Draw the label area
- this.ctx.beginPath();
-
- if (this.options.gridLines.drawTicks) {
- this.ctx.moveTo(xLineValue, yTickStart);
- this.ctx.lineTo(xLineValue, yTickEnd);
- }
-
- // Draw the chart area
- if (this.options.gridLines.drawOnChartArea) {
- this.ctx.moveTo(xLineValue, chartArea.top);
- this.ctx.lineTo(xLineValue, chartArea.bottom);
- }
-
- // Need to stroke in the loop because we are potentially changing line widths & colours
- this.ctx.stroke();
- }
-
- if (this.options.ticks.display) {
- this.ctx.save();
- this.ctx.translate(xLabelValue, (isRotated) ? this.top + 12 : this.options.position === "top" ? this.bottom - 10 : this.top + 10);
- this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
- this.ctx.font = tickLabelFont;
- this.ctx.textAlign = (isRotated) ? "right" : "center";
- this.ctx.textBaseline = (isRotated) ? "middle" : this.options.position === "top" ? "bottom" : "top";
- this.ctx.fillText(label, 0, 0);
- this.ctx.restore();
- }
- }, this);
-
- if (this.options.scaleLabel.display) {
- // Draw the scale label
- this.ctx.textAlign = "center";
- this.ctx.textBaseline = 'middle';
- this.ctx.fillStyle = scaleLabelFontColor; // render in correct colour
- this.ctx.font = scaleLabelFont;
-
- scaleLabelX = this.left + ((this.right - this.left) / 2); // midpoint of the width
- scaleLabelY = this.options.position === 'bottom' ? this.bottom - (scaleLabelFontSize / 2) : this.top + (scaleLabelFontSize / 2);
-
- this.ctx.fillText(this.options.scaleLabel.labelString, scaleLabelX, scaleLabelY);
- }
-
- } else {
- setContextLineSettings = true;
- var xTickStart = this.options.position === "right" ? this.left : this.right - 5;
- var xTickEnd = this.options.position === "right" ? this.left + 5 : this.right;
-
- helpers.each(this.ticks, function(label, index) {
- // If the callback returned a null or undefined value, do not draw this line
- if (label === undefined || label === null) {
- return;
- }
-
- var yLineValue = this.getPixelForTick(index); // xvalues for grid lines
-
- if (this.options.gridLines.display) {
- if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
- // Draw the first index specially
- this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
- this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
- setContextLineSettings = true; // reset next time
- } else if (setContextLineSettings) {
- this.ctx.lineWidth = this.options.gridLines.lineWidth;
- this.ctx.strokeStyle = this.options.gridLines.color;
- setContextLineSettings = false;
- }
-
- yLineValue += helpers.aliasPixel(this.ctx.lineWidth);
-
- // Draw the label area
- this.ctx.beginPath();
-
- if (this.options.gridLines.drawTicks) {
- this.ctx.moveTo(xTickStart, yLineValue);
- this.ctx.lineTo(xTickEnd, yLineValue);
- }
-
- // Draw the chart area
- if (this.options.gridLines.drawOnChartArea) {
- this.ctx.moveTo(chartArea.left, yLineValue);
- this.ctx.lineTo(chartArea.right, yLineValue);
- }
-
- // Need to stroke in the loop because we are potentially changing line widths & colours
- this.ctx.stroke();
- }
-
- if (this.options.ticks.display) {
- var xLabelValue;
- var yLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)
-
- this.ctx.save();
-
- if (this.options.position === "left") {
- if (this.options.ticks.mirror) {
- xLabelValue = this.right + this.options.ticks.padding;
- this.ctx.textAlign = "left";
- } else {
- xLabelValue = this.right - this.options.ticks.padding;
- this.ctx.textAlign = "right";
- }
- } else {
- // right side
- if (this.options.ticks.mirror) {
- xLabelValue = this.left - this.options.ticks.padding;
- this.ctx.textAlign = "right";
- } else {
- xLabelValue = this.left + this.options.ticks.padding;
- this.ctx.textAlign = "left";
- }
- }
-
- this.ctx.translate(xLabelValue, yLabelValue);
- this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
- this.ctx.font = tickLabelFont;
- this.ctx.textBaseline = "middle";
- this.ctx.fillText(label, 0, 0);
- this.ctx.restore();
- }
- }, this);
-
- if (this.options.scaleLabel.display) {
- // Draw the scale label
- scaleLabelX = this.options.position === 'left' ? this.left + (scaleLabelFontSize / 2) : this.right - (scaleLabelFontSize / 2);
- scaleLabelY = this.top + ((this.bottom - this.top) / 2);
- var rotation = this.options.position === 'left' ? -0.5 * Math.PI : 0.5 * Math.PI;
-
- this.ctx.save();
- this.ctx.translate(scaleLabelX, scaleLabelY);
- this.ctx.rotate(rotation);
- this.ctx.textAlign = "center";
- this.ctx.fillStyle =scaleLabelFontColor; // render in correct colour
- this.ctx.font = scaleLabelFont;
- this.ctx.textBaseline = 'middle';
- this.ctx.fillText(this.options.scaleLabel.labelString, 0, 0);
- this.ctx.restore();
- }
- }
-
- // Draw the line at the edge of the axis
- this.ctx.lineWidth = this.options.gridLines.lineWidth;
- this.ctx.strokeStyle = this.options.gridLines.color;
- var x1 = this.left,
- x2 = this.right,
- y1 = this.top,
- y2 = this.bottom;
-
- if (this.isHorizontal()) {
- y1 = y2 = this.options.position === 'top' ? this.bottom : this.top;
- y1 += helpers.aliasPixel(this.ctx.lineWidth);
- y2 += helpers.aliasPixel(this.ctx.lineWidth);
- } else {
- x1 = x2 = this.options.position === 'left' ? this.right : this.left;
- x1 += helpers.aliasPixel(this.ctx.lineWidth);
- x2 += helpers.aliasPixel(this.ctx.lineWidth);
- }
-
- this.ctx.beginPath();
- this.ctx.moveTo(x1, y1);
- this.ctx.lineTo(x2, y2);
- this.ctx.stroke();
- }
- }
- });
-};
-
-},{}],30:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.scaleService = {
- // Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
- // use the new chart options to grab the correct scale
- constructors: {},
- // Use a registration function so that we can move to an ES6 map when we no longer need to support
- // old browsers
-
- // Scale config defaults
- defaults: {},
- registerScaleType: function(type, scaleConstructor, defaults) {
- this.constructors[type] = scaleConstructor;
- this.defaults[type] = helpers.clone(defaults);
- },
- getScaleConstructor: function(type) {
- return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
- },
- getScaleDefaults: function(type) {
- // Return the scale defaults merged with the global settings so that we always use the latest ones
- return this.defaults.hasOwnProperty(type) ? helpers.scaleMerge(Chart.defaults.scale, this.defaults[type]) : {};
- },
- addScalesToLayout: function(chartInstance) {
- // Adds each scale to the chart.boxes array to be sized accordingly
- helpers.each(chartInstance.scales, function(scale) {
- Chart.layoutService.addBox(chartInstance, scale);
- });
- }
- };
-};
-},{}],31:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.title = {
- display: false,
- position: 'top',
- fullWidth: true, // marks that this box should take the full width of the canvas (pushing down other boxes)
-
- fontStyle: 'bold',
- padding: 10,
-
- // actual title
- text: ''
- };
-
- Chart.Title = Chart.Element.extend({
-
- initialize: function(config) {
- helpers.extend(this, config);
- this.options = helpers.configMerge(Chart.defaults.global.title, config.options);
-
- // Contains hit boxes for each dataset (in dataset order)
- this.legendHitBoxes = [];
- },
-
- // These methods are ordered by lifecyle. Utilities then follow.
-
- beforeUpdate: helpers.noop,
- update: function(maxWidth, maxHeight, margins) {
-
- // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
- this.beforeUpdate();
-
- // Absorb the master measurements
- this.maxWidth = maxWidth;
- this.maxHeight = maxHeight;
- this.margins = margins;
-
- // Dimensions
- this.beforeSetDimensions();
- this.setDimensions();
- this.afterSetDimensions();
- // Labels
- this.beforeBuildLabels();
- this.buildLabels();
- this.afterBuildLabels();
-
- // Fit
- this.beforeFit();
- this.fit();
- this.afterFit();
- //
- this.afterUpdate();
-
- return this.minSize;
-
- },
- afterUpdate: helpers.noop,
-
- //
-
- beforeSetDimensions: helpers.noop,
- setDimensions: function() {
- // Set the unconstrained dimension before label rotation
- if (this.isHorizontal()) {
- // Reset position before calculating rotation
- this.width = this.maxWidth;
- this.left = 0;
- this.right = this.width;
- } else {
- this.height = this.maxHeight;
-
- // Reset position before calculating rotation
- this.top = 0;
- this.bottom = this.height;
- }
-
- // Reset padding
- this.paddingLeft = 0;
- this.paddingTop = 0;
- this.paddingRight = 0;
- this.paddingBottom = 0;
-
- // Reset minSize
- this.minSize = {
- width: 0,
- height: 0
- };
- },
- afterSetDimensions: helpers.noop,
-
- //
-
- beforeBuildLabels: helpers.noop,
- buildLabels: helpers.noop,
- afterBuildLabels: helpers.noop,
-
- //
-
- beforeFit: helpers.noop,
- fit: function() {
-
- var ctx = this.ctx;
- var fontSize = helpers.getValueOrDefault(this.options.fontSize, Chart.defaults.global.defaultFontSize);
- var fontStyle = helpers.getValueOrDefault(this.options.fontStyle, Chart.defaults.global.defaultFontStyle);
- var fontFamily = helpers.getValueOrDefault(this.options.fontFamily, Chart.defaults.global.defaultFontFamily);
- var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);
-
- // Width
- if (this.isHorizontal()) {
- this.minSize.width = this.maxWidth; // fill all the width
- } else {
- this.minSize.width = 0;
- }
-
- // height
- if (this.isHorizontal()) {
- this.minSize.height = 0;
- } else {
- this.minSize.height = this.maxHeight; // fill all the height
- }
-
- // Increase sizes here
- if (this.isHorizontal()) {
-
- // Title
- if (this.options.display) {
- this.minSize.height += fontSize + (this.options.padding * 2);
- }
- } else {
- if (this.options.display) {
- this.minSize.width += fontSize + (this.options.padding * 2);
- }
- }
-
- this.width = this.minSize.width;
- this.height = this.minSize.height;
-
- },
- afterFit: helpers.noop,
-
- // Shared Methods
- isHorizontal: function() {
- return this.options.position === "top" || this.options.position === "bottom";
- },
-
- // Actualy draw the title block on the canvas
- draw: function() {
- if (this.options.display) {
- var ctx = this.ctx;
- var titleX, titleY;
-
- var fontColor = helpers.getValueOrDefault(this.options.fontColor, Chart.defaults.global.defaultFontColor);
- var fontSize = helpers.getValueOrDefault(this.options.fontSize, Chart.defaults.global.defaultFontSize);
- var fontStyle = helpers.getValueOrDefault(this.options.fontStyle, Chart.defaults.global.defaultFontStyle);
- var fontFamily = helpers.getValueOrDefault(this.options.fontFamily, Chart.defaults.global.defaultFontFamily);
- var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily);
-
- ctx.fillStyle = fontColor; // render in correct colour
- ctx.font = titleFont;
-
- // Horizontal
- if (this.isHorizontal()) {
- // Title
- ctx.textAlign = "center";
- ctx.textBaseline = 'middle';
-
- titleX = this.left + ((this.right - this.left) / 2); // midpoint of the width
- titleY = this.top + ((this.bottom - this.top) / 2); // midpoint of the height
-
- ctx.fillText(this.options.text, titleX, titleY);
- } else {
-
- // Title
- titleX = this.options.position === 'left' ? this.left + (fontSize / 2) : this.right - (fontSize / 2);
- titleY = this.top + ((this.bottom - this.top) / 2);
- var rotation = this.options.position === 'left' ? -0.5 * Math.PI : 0.5 * Math.PI;
-
- ctx.save();
- ctx.translate(titleX, titleY);
- ctx.rotate(rotation);
- ctx.textAlign = "center";
- ctx.textBaseline = 'middle';
- ctx.fillText(this.options.text, 0, 0);
- ctx.restore();
- }
- }
- }
- });
-};
-},{}],32:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.tooltips = {
- enabled: true,
- custom: null,
- mode: 'single',
- backgroundColor: "rgba(0,0,0,0.8)",
- titleFontStyle: "bold",
- titleSpacing: 2,
- titleMarginBottom: 6,
- titleColor: "#fff",
- titleAlign: "left",
- bodySpacing: 2,
- bodyColor: "#fff",
- bodyAlign: "left",
- footerFontStyle: "bold",
- footerSpacing: 2,
- footerMarginTop: 6,
- footerColor: "#fff",
- footerAlign: "left",
- yPadding: 6,
- xPadding: 6,
- yAlign : 'center',
- xAlign : 'center',
- caretSize: 5,
- cornerRadius: 6,
- multiKeyBackground: '#fff',
- callbacks: {
- // Args are: (tooltipItems, data)
- beforeTitle: helpers.noop,
- title: function(tooltipItems, data) {
- // Pick first xLabel for now
- var title = '';
-
- if (tooltipItems.length > 0) {
- if (tooltipItems[0].xLabel) {
- title = tooltipItems[0].xLabel;
- } else if (data.labels.length > 0 && tooltipItems[0].index < data.labels.length) {
- title = data.labels[tooltipItems[0].index];
- }
- }
-
- return title;
- },
- afterTitle: helpers.noop,
-
- // Args are: (tooltipItems, data)
- beforeBody: helpers.noop,
-
- // Args are: (tooltipItem, data)
- beforeLabel: helpers.noop,
- label: function(tooltipItem, data) {
- var datasetLabel = data.datasets[tooltipItem.datasetIndex].label || '';
- return datasetLabel + ': ' + tooltipItem.yLabel;
- },
- afterLabel: helpers.noop,
-
- // Args are: (tooltipItems, data)
- afterBody: helpers.noop,
-
- // Args are: (tooltipItems, data)
- beforeFooter: helpers.noop,
- footer: helpers.noop,
- afterFooter: helpers.noop
- }
- };
-
- // Helper to push or concat based on if the 2nd parameter is an array or not
- function pushOrConcat(base, toPush) {
- if (toPush) {
- if (helpers.isArray(toPush)) {
- base = base.concat(toPush);
- } else {
- base.push(toPush);
- }
- }
-
- return base;
- }
-
- Chart.Tooltip = Chart.Element.extend({
- initialize: function() {
- var options = this._options;
- helpers.extend(this, {
- _model: {
- // Positioning
- xPadding: options.tooltips.xPadding,
- yPadding: options.tooltips.yPadding,
- xAlign : options.tooltips.yAlign,
- yAlign : options.tooltips.xAlign,
-
- // Body
- bodyColor: options.tooltips.bodyColor,
- _bodyFontFamily: helpers.getValueOrDefault(options.tooltips.bodyFontFamily, Chart.defaults.global.defaultFontFamily),
- _bodyFontStyle: helpers.getValueOrDefault(options.tooltips.bodyFontStyle, Chart.defaults.global.defaultFontStyle),
- _bodyAlign: options.tooltips.bodyAlign,
- bodyFontSize: helpers.getValueOrDefault(options.tooltips.bodyFontSize, Chart.defaults.global.defaultFontSize),
- bodySpacing: options.tooltips.bodySpacing,
-
- // Title
- titleColor: options.tooltips.titleColor,
- _titleFontFamily: helpers.getValueOrDefault(options.tooltips.titleFontFamily, Chart.defaults.global.defaultFontFamily),
- _titleFontStyle: helpers.getValueOrDefault(options.tooltips.titleFontStyle, Chart.defaults.global.defaultFontStyle),
- titleFontSize: helpers.getValueOrDefault(options.tooltips.titleFontSize, Chart.defaults.global.defaultFontSize),
- _titleAlign: options.tooltips.titleAlign,
- titleSpacing: options.tooltips.titleSpacing,
- titleMarginBottom: options.tooltips.titleMarginBottom,
-
- // Footer
- footerColor: options.tooltips.footerColor,
- _footerFontFamily: helpers.getValueOrDefault(options.tooltips.footerFontFamily, Chart.defaults.global.defaultFontFamily),
- _footerFontStyle: helpers.getValueOrDefault(options.tooltips.footerFontStyle, Chart.defaults.global.defaultFontStyle),
- footerFontSize: helpers.getValueOrDefault(options.tooltips.footerFontSize, Chart.defaults.global.defaultFontSize),
- _footerAlign: options.tooltips.footerAlign,
- footerSpacing: options.tooltips.footerSpacing,
- footerMarginTop: options.tooltips.footerMarginTop,
-
- // Appearance
- caretSize: options.tooltips.caretSize,
- cornerRadius: options.tooltips.cornerRadius,
- backgroundColor: options.tooltips.backgroundColor,
- opacity: 0,
- legendColorBackground: options.tooltips.multiKeyBackground
- }
- });
- },
-
- // Get the title
- // Args are: (tooltipItem, data)
- getTitle: function() {
- var beforeTitle = this._options.tooltips.callbacks.beforeTitle.apply(this, arguments),
- title = this._options.tooltips.callbacks.title.apply(this, arguments),
- afterTitle = this._options.tooltips.callbacks.afterTitle.apply(this, arguments);
-
- var lines = [];
- lines = pushOrConcat(lines, beforeTitle);
- lines = pushOrConcat(lines, title);
- lines = pushOrConcat(lines, afterTitle);
-
- return lines;
- },
-
- // Args are: (tooltipItem, data)
- getBeforeBody: function() {
- var lines = this._options.tooltips.callbacks.beforeBody.apply(this, arguments);
- return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];
- },
-
- // Args are: (tooltipItem, data)
- getBody: function(tooltipItems, data) {
- var lines = [];
-
- helpers.each(tooltipItems, function(bodyItem) {
- helpers.pushAllIfDefined(this._options.tooltips.callbacks.beforeLabel.call(this, bodyItem, data), lines);
- helpers.pushAllIfDefined(this._options.tooltips.callbacks.label.call(this, bodyItem, data), lines);
- helpers.pushAllIfDefined(this._options.tooltips.callbacks.afterLabel.call(this, bodyItem, data), lines);
- }, this);
-
- return lines;
- },
-
- // Args are: (tooltipItem, data)
- getAfterBody: function() {
- var lines = this._options.tooltips.callbacks.afterBody.apply(this, arguments);
- return helpers.isArray(lines) ? lines : lines !== undefined ? [lines] : [];
- },
-
- // Get the footer and beforeFooter and afterFooter lines
- // Args are: (tooltipItem, data)
- getFooter: function() {
- var beforeFooter = this._options.tooltips.callbacks.beforeFooter.apply(this, arguments);
- var footer = this._options.tooltips.callbacks.footer.apply(this, arguments);
- var afterFooter = this._options.tooltips.callbacks.afterFooter.apply(this, arguments);
-
- var lines = [];
- lines = pushOrConcat(lines, beforeFooter);
- lines = pushOrConcat(lines, footer);
- lines = pushOrConcat(lines, afterFooter);
-
- return lines;
- },
-
- getAveragePosition: function(elements) {
-
- if (!elements.length) {
- return false;
- }
-
- var xPositions = [];
- var yPositions = [];
-
- helpers.each(elements, function(el) {
- if (el) {
- var pos = el.tooltipPosition();
- xPositions.push(pos.x);
- yPositions.push(pos.y);
- }
- });
-
- var x = 0,
- y = 0;
- for (var i = 0; i < xPositions.length; i++) {
- x += xPositions[i];
- y += yPositions[i];
- }
-
- return {
- x: Math.round(x / xPositions.length),
- y: Math.round(y / xPositions.length)
- };
-
- },
-
- update: function(changed) {
- if (this._active.length) {
- this._model.opacity = 1;
-
- var element = this._active[0],
- labelColors = [],
- tooltipPosition;
-
- var tooltipItems = [];
-
- if (this._options.tooltips.mode === 'single') {
- var yScale = element._yScale || element._scale; // handle radar || polarArea charts
- tooltipItems.push({
- xLabel: element._xScale ? element._xScale.getLabelForIndex(element._index, element._datasetIndex) : '',
- yLabel: yScale ? yScale.getLabelForIndex(element._index, element._datasetIndex) : '',
- index: element._index,
- datasetIndex: element._datasetIndex
- });
- tooltipPosition = this.getAveragePosition(this._active);
- } else {
- helpers.each(this._data.datasets, function(dataset, datasetIndex) {
- if (!helpers.isDatasetVisible(dataset)) {
- return;
- }
- var currentElement = dataset.metaData[element._index];
- if (currentElement) {
- var yScale = element._yScale || element._scale; // handle radar || polarArea charts
-
- tooltipItems.push({
- xLabel: currentElement._xScale ? currentElement._xScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '',
- yLabel: yScale ? yScale.getLabelForIndex(currentElement._index, currentElement._datasetIndex) : '',
- index: element._index,
- datasetIndex: datasetIndex
- });
- }
- }, null, element._yScale.options.stacked);
-
- helpers.each(this._active, function(active) {
- if (active) {
- labelColors.push({
- borderColor: active._view.borderColor,
- backgroundColor: active._view.backgroundColor
- });
- }
- }, null, element._yScale.options.stacked);
-
- tooltipPosition = this.getAveragePosition(this._active);
- tooltipPosition.y = this._active[0]._yScale.getPixelForDecimal(0.5);
- }
-
- // Build the Text Lines
- helpers.extend(this._model, {
- title: this.getTitle(tooltipItems, this._data),
- beforeBody: this.getBeforeBody(tooltipItems, this._data),
- body: this.getBody(tooltipItems, this._data),
- afterBody: this.getAfterBody(tooltipItems, this._data),
- footer: this.getFooter(tooltipItems, this._data)
- });
-
- helpers.extend(this._model, {
- x: Math.round(tooltipPosition.x),
- y: Math.round(tooltipPosition.y),
- caretPadding: helpers.getValueOrDefault(tooltipPosition.padding, 2),
- labelColors: labelColors
- });
-
- // We need to determine alignment of
- var tooltipSize = this.getTooltipSize(this._model);
- this.determineAlignment(tooltipSize); // Smart Tooltip placement to stay on the canvas
-
- helpers.extend(this._model, this.getBackgroundPoint(this._model, tooltipSize));
- } else {
- this._model.opacity = 0;
- }
-
- if (changed && this._options.tooltips.custom) {
- this._options.tooltips.custom.call(this, this._model);
- }
-
- return this;
- },
- getTooltipSize: function getTooltipSize(vm) {
- var ctx = this._chart.ctx;
-
- var size = {
- height: vm.yPadding * 2, // Tooltip Padding
- width: 0
- };
- var combinedBodyLength = vm.body.length + vm.beforeBody.length + vm.afterBody.length;
-
- size.height += vm.title.length * vm.titleFontSize; // Title Lines
- size.height += (vm.title.length - 1) * vm.titleSpacing; // Title Line Spacing
- size.height += vm.title.length ? vm.titleMarginBottom : 0; // Title's bottom Margin
- size.height += combinedBodyLength * vm.bodyFontSize; // Body Lines
- size.height += combinedBodyLength ? (combinedBodyLength - 1) * vm.bodySpacing : 0; // Body Line Spacing
- size.height += vm.footer.length ? vm.footerMarginTop : 0; // Footer Margin
- size.height += vm.footer.length * (vm.footerFontSize); // Footer Lines
- size.height += vm.footer.length ? (vm.footer.length - 1) * vm.footerSpacing : 0; // Footer Line Spacing
-
- // Width
- ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
- helpers.each(vm.title, function(line) {
- size.width = Math.max(size.width, ctx.measureText(line).width);
- });
-
- ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
- helpers.each(vm.beforeBody.concat(vm.afterBody), function(line) {
- size.width = Math.max(size.width, ctx.measureText(line).width);
- });
- helpers.each(vm.body, function(line) {
- size.width = Math.max(size.width, ctx.measureText(line).width + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0));
- }, this);
-
- ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
- helpers.each(vm.footer, function(line) {
- size.width = Math.max(size.width, ctx.measureText(line).width);
- });
- size.width += 2 * vm.xPadding;
-
- return size;
- },
- determineAlignment: function determineAlignment(size) {
- if (this._model.y < size.height) {
- this._model.yAlign = 'top';
- } else if (this._model.y > (this._chart.height - size.height)) {
- this._model.yAlign = 'bottom';
- }
-
- var lf, rf; // functions to determine left, right alignment
- var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart
- var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges
- var _this = this;
- var midX = (this._chartInstance.chartArea.left + this._chartInstance.chartArea.right) / 2;
- var midY = (this._chartInstance.chartArea.top + this._chartInstance.chartArea.bottom) / 2;
-
- if (this._model.yAlign === 'center') {
- lf = function(x) {
- return x <= midX;
- };
- rf = function(x) {
- return x > midX;
- };
- } else {
- lf = function(x) {
- return x <= (size.width / 2);
- };
- rf = function(x) {
- return x >= (_this._chart.width - (size.width / 2));
- };
- }
-
- olf = function(x) {
- return x + size.width > _this._chart.width;
- };
- orf = function(x) {
- return x - size.width < 0;
- };
- yf = function(y) {
- return y <= midY ? 'top' : 'bottom';
- };
-
- if (lf(this._model.x)) {
- this._model.xAlign = 'left';
-
- // Is tooltip too wide and goes over the right side of the chart.?
- if (olf(this._model.x)) {
- this._model.xAlign = 'center';
- this._model.yAlign = yf(this._model.y);
- }
- } else if (rf(this._model.x)) {
- this._model.xAlign = 'right';
-
- // Is tooltip too wide and goes outside left edge of canvas?
- if (orf(this._model.x)) {
- this._model.xAlign = 'center';
- this._model.yAlign = yf(this._model.y);
- }
- }
- },
- getBackgroundPoint: function getBackgroundPoint(vm, size) {
- // Background Position
- var pt = {
- x: vm.x,
- y: vm.y
- };
-
- if (vm.xAlign === 'right') {
- pt.x -= size.width;
- } else if (vm.xAlign === 'center') {
- pt.x -= (size.width / 2);
- }
-
- if (vm.yAlign === 'top') {
- pt.y += vm.caretPadding + vm.caretSize;
- } else if (vm.yAlign === 'bottom') {
- pt.y -= size.height + vm.caretPadding + vm.caretSize;
- } else {
- pt.y -= (size.height / 2);
- }
-
- if (vm.yAlign === 'center') {
- if (vm.xAlign === 'left') {
- pt.x += vm.caretPadding + vm.caretSize;
- } else if (vm.xAlign === 'right') {
- pt.x -= vm.caretPadding + vm.caretSize;
- }
- } else {
- if (vm.xAlign === 'left') {
- pt.x -= vm.cornerRadius + vm.caretPadding;
- } else if (vm.xAlign === 'right') {
- pt.x += vm.cornerRadius + vm.caretPadding;
- }
- }
-
- return pt;
- },
- drawCaret: function drawCaret(tooltipPoint, size, opacity, caretPadding) {
- var vm = this._view;
- var ctx = this._chart.ctx;
- var x1, x2, x3;
- var y1, y2, y3;
-
- if (vm.yAlign === 'center') {
- // Left or right side
- if (vm.xAlign === 'left') {
- x1 = tooltipPoint.x;
- x2 = x1 - vm.caretSize;
- x3 = x1;
- } else {
- x1 = tooltipPoint.x + size.width;
- x2 = x1 + vm.caretSize;
- x3 = x1;
- }
-
- y2 = tooltipPoint.y + (size.height / 2);
- y1 = y2 - vm.caretSize;
- y3 = y2 + vm.caretSize;
- } else {
- if (vm.xAlign === 'left') {
- x1 = tooltipPoint.x + vm.cornerRadius;
- x2 = x1 + vm.caretSize;
- x3 = x2 + vm.caretSize;
- } else if (vm.xAlign === 'right') {
- x1 = tooltipPoint.x + size.width - vm.cornerRadius;
- x2 = x1 - vm.caretSize;
- x3 = x2 - vm.caretSize;
- } else {
- x2 = tooltipPoint.x + (size.width / 2);
- x1 = x2 - vm.caretSize;
- x3 = x2 + vm.caretSize;
- }
-
- if (vm.yAlign === 'top') {
- y1 = tooltipPoint.y;
- y2 = y1 - vm.caretSize;
- y3 = y1;
- } else {
- y1 = tooltipPoint.y + size.height;
- y2 = y1 + vm.caretSize;
- y3 = y1;
- }
- }
-
- var bgColor = helpers.color(vm.backgroundColor);
- ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString();
- ctx.beginPath();
- ctx.moveTo(x1, y1);
- ctx.lineTo(x2, y2);
- ctx.lineTo(x3, y3);
- ctx.closePath();
- ctx.fill();
- },
- drawTitle: function drawTitle(pt, vm, ctx, opacity) {
- if (vm.title.length) {
- ctx.textAlign = vm._titleAlign;
- ctx.textBaseline = "top";
-
- var titleColor = helpers.color(vm.titleColor);
- ctx.fillStyle = titleColor.alpha(opacity * titleColor.alpha()).rgbString();
- ctx.font = helpers.fontString(vm.titleFontSize, vm._titleFontStyle, vm._titleFontFamily);
-
- helpers.each(vm.title, function(title, i) {
- ctx.fillText(title, pt.x, pt.y);
- pt.y += vm.titleFontSize + vm.titleSpacing; // Line Height and spacing
-
- if (i + 1 === vm.title.length) {
- pt.y += vm.titleMarginBottom - vm.titleSpacing; // If Last, add margin, remove spacing
- }
- });
- }
- },
- drawBody: function drawBody(pt, vm, ctx, opacity) {
- ctx.textAlign = vm._bodyAlign;
- ctx.textBaseline = "top";
-
- var bodyColor = helpers.color(vm.bodyColor);
- ctx.fillStyle = bodyColor.alpha(opacity * bodyColor.alpha()).rgbString();
- ctx.font = helpers.fontString(vm.bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily);
-
- // Before Body
- helpers.each(vm.beforeBody, function(beforeBody) {
- ctx.fillText(beforeBody, pt.x, pt.y);
- pt.y += vm.bodyFontSize + vm.bodySpacing;
- });
-
- helpers.each(vm.body, function(body, i) {
- // Draw Legend-like boxes if needed
- if (this._options.tooltips.mode !== 'single') {
- // Fill a white rect so that colours merge nicely if the opacity is < 1
- ctx.fillStyle = helpers.color(vm.legendColorBackground).alpha(opacity).rgbaString();
- ctx.fillRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize);
-
- // Border
- ctx.strokeStyle = helpers.color(vm.labelColors[i].borderColor).alpha(opacity).rgbaString();
- ctx.strokeRect(pt.x, pt.y, vm.bodyFontSize, vm.bodyFontSize);
-
- // Inner square
- ctx.fillStyle = helpers.color(vm.labelColors[i].backgroundColor).alpha(opacity).rgbaString();
- ctx.fillRect(pt.x + 1, pt.y + 1, vm.bodyFontSize - 2, vm.bodyFontSize - 2);
-
- ctx.fillStyle = helpers.color(vm.bodyColor).alpha(opacity).rgbaString(); // Return fill style for text
- }
-
- // Body Line
- ctx.fillText(body, pt.x + (this._options.tooltips.mode !== 'single' ? (vm.bodyFontSize + 2) : 0), pt.y);
-
- pt.y += vm.bodyFontSize + vm.bodySpacing;
- }, this);
-
- // After Body
- helpers.each(vm.afterBody, function(afterBody) {
- ctx.fillText(afterBody, pt.x, pt.y);
- pt.y += vm.bodyFontSize;
- });
-
- pt.y -= vm.bodySpacing; // Remove last body spacing
- },
- drawFooter: function drawFooter(pt, vm, ctx, opacity) {
- if (vm.footer.length) {
- pt.y += vm.footerMarginTop;
-
- ctx.textAlign = vm._footerAlign;
- ctx.textBaseline = "top";
-
- var footerColor = helpers.color(vm.footerColor);
- ctx.fillStyle = footerColor.alpha(opacity * footerColor.alpha()).rgbString();
- ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily);
-
- helpers.each(vm.footer, function(footer) {
- ctx.fillText(footer, pt.x, pt.y);
- pt.y += vm.footerFontSize + vm.footerSpacing;
- });
- }
- },
- draw: function draw() {
- var ctx = this._chart.ctx;
- var vm = this._view;
-
- if (vm.opacity === 0) {
- return;
- }
-
- var caretPadding = vm.caretPadding;
- var tooltipSize = this.getTooltipSize(vm);
- var pt = {
- x: vm.x,
- y: vm.y
- };
-
- // IE11/Edge does not like very small opacities, so snap to 0
- var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity;
-
- if (this._options.tooltips.enabled) {
- // Draw Background
- var bgColor = helpers.color(vm.backgroundColor);
- ctx.fillStyle = bgColor.alpha(opacity * bgColor.alpha()).rgbString();
- helpers.drawRoundedRectangle(ctx, pt.x, pt.y, tooltipSize.width, tooltipSize.height, vm.cornerRadius);
- ctx.fill();
-
- // Draw Caret
- this.drawCaret(pt, tooltipSize, opacity, caretPadding);
-
- // Draw Title, Body, and Footer
- pt.x += vm.xPadding;
- pt.y += vm.yPadding;
-
- // Titles
- this.drawTitle(pt, vm, ctx, opacity);
-
- // Body
- this.drawBody(pt, vm, ctx, opacity);
-
- // Footer
- this.drawFooter(pt, vm, ctx, opacity);
- }
- }
- });
-};
-
-},{}],33:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart, moment) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.elements.arc = {
- backgroundColor: Chart.defaults.global.defaultColor,
- borderColor: "#fff",
- borderWidth: 2
- };
-
- Chart.elements.Arc = Chart.Element.extend({
- inLabelRange: function(mouseX) {
- var vm = this._view;
-
- if (vm) {
- return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
- } else {
- return false;
- }
- },
- inRange: function(chartX, chartY) {
-
- var vm = this._view;
-
- if (vm) {
- var pointRelativePosition = helpers.getAngleFromPoint(vm, {
- x: chartX,
- y: chartY
- });
-
- //Sanitise angle range
- var startAngle = vm.startAngle;
- var endAngle = vm.endAngle;
- while (endAngle < startAngle) {
- endAngle += 2.0 * Math.PI;
- }
- while (pointRelativePosition.angle > endAngle) {
- pointRelativePosition.angle -= 2.0 * Math.PI;
- }
- while (pointRelativePosition.angle < startAngle) {
- pointRelativePosition.angle += 2.0 * Math.PI;
- }
-
- //Check if within the range of the open/close angle
- var betweenAngles = (pointRelativePosition.angle >= startAngle && pointRelativePosition.angle <= endAngle),
- withinRadius = (pointRelativePosition.distance >= vm.innerRadius && pointRelativePosition.distance <= vm.outerRadius);
-
- return (betweenAngles && withinRadius);
- } else {
- return false;
- }
- },
- tooltipPosition: function() {
- var vm = this._view;
-
- var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2),
- rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
- return {
- x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
- y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
- };
- },
- draw: function() {
-
- var ctx = this._chart.ctx;
- var vm = this._view;
-
- ctx.beginPath();
-
- ctx.arc(vm.x, vm.y, vm.outerRadius, vm.startAngle, vm.endAngle);
-
- ctx.arc(vm.x, vm.y, vm.innerRadius, vm.endAngle, vm.startAngle, true);
-
- ctx.closePath();
- ctx.strokeStyle = vm.borderColor;
- ctx.lineWidth = vm.borderWidth;
-
- ctx.fillStyle = vm.backgroundColor;
-
- ctx.fill();
- ctx.lineJoin = 'bevel';
-
- if (vm.borderWidth) {
- ctx.stroke();
- }
- }
- });
-};
-
-},{}],34:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.elements.line = {
- tension: 0.4,
- backgroundColor: Chart.defaults.global.defaultColor,
- borderWidth: 3,
- borderColor: Chart.defaults.global.defaultColor,
- borderCapStyle: 'butt',
- borderDash: [],
- borderDashOffset: 0.0,
- borderJoinStyle: 'miter',
- fill: true // do we fill in the area between the line and its base axis
- };
-
- Chart.elements.Line = Chart.Element.extend({
- lineToNextPoint: function(previousPoint, point, nextPoint, skipHandler, previousSkipHandler) {
- var ctx = this._chart.ctx;
-
- if (point._view.skip) {
- skipHandler.call(this, previousPoint, point, nextPoint);
- } else if (previousPoint._view.skip) {
- previousSkipHandler.call(this, previousPoint, point, nextPoint);
- } else if (point._view.tension === 0) {
- ctx.lineTo(point._view.x, point._view.y);
- } else {
- // Line between points
- ctx.bezierCurveTo(
- previousPoint._view.controlPointNextX,
- previousPoint._view.controlPointNextY,
- point._view.controlPointPreviousX,
- point._view.controlPointPreviousY,
- point._view.x,
- point._view.y
- );
- }
- },
-
- draw: function() {
- var _this = this;
-
- var vm = this._view;
- var ctx = this._chart.ctx;
- var first = this._children[0];
- var last = this._children[this._children.length - 1];
-
- function loopBackToStart(drawLineToCenter) {
- if (!first._view.skip && !last._view.skip) {
- // Draw a bezier line from last to first
- ctx.bezierCurveTo(
- last._view.controlPointNextX,
- last._view.controlPointNextY,
- first._view.controlPointPreviousX,
- first._view.controlPointPreviousY,
- first._view.x,
- first._view.y
- );
- } else if (drawLineToCenter) {
- // Go to center
- ctx.lineTo(_this._view.scaleZero.x, _this._view.scaleZero.y);
- }
- }
-
- ctx.save();
-
- // If we had points and want to fill this line, do so.
- if (this._children.length > 0 && vm.fill) {
- // Draw the background first (so the border is always on top)
- ctx.beginPath();
-
- helpers.each(this._children, function(point, index) {
- var previous = helpers.previousItem(this._children, index);
- var next = helpers.nextItem(this._children, index);
-
- // First point moves to it's starting position no matter what
- if (index === 0) {
- if (this._loop) {
- ctx.moveTo(vm.scaleZero.x, vm.scaleZero.y);
- } else {
- ctx.moveTo(point._view.x, vm.scaleZero);
- }
-
- if (point._view.skip) {
- if (!this._loop) {
- ctx.moveTo(next._view.x, this._view.scaleZero);
- }
- } else {
- ctx.lineTo(point._view.x, point._view.y);
- }
- } else {
- this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) {
- if (this._loop) {
- // Go to center
- ctx.lineTo(this._view.scaleZero.x, this._view.scaleZero.y);
- } else {
- ctx.lineTo(previousPoint._view.x, this._view.scaleZero);
- ctx.moveTo(nextPoint._view.x, this._view.scaleZero);
- }
- }, function(previousPoint, point) {
- // If we skipped the last point, draw a line to ourselves so that the fill is nice
- ctx.lineTo(point._view.x, point._view.y);
- });
- }
- }, this);
-
- // For radial scales, loop back around to the first point
- if (this._loop) {
- loopBackToStart(true);
- } else {
- //Round off the line by going to the base of the chart, back to the start, then fill.
- ctx.lineTo(this._children[this._children.length - 1]._view.x, vm.scaleZero);
- ctx.lineTo(this._children[0]._view.x, vm.scaleZero);
- }
-
- ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;
- ctx.closePath();
- ctx.fill();
- }
-
- // Now draw the line between all the points with any borders
- ctx.lineCap = vm.borderCapStyle || Chart.defaults.global.elements.line.borderCapStyle;
-
- // IE 9 and 10 do not support line dash
- if (ctx.setLineDash) {
- ctx.setLineDash(vm.borderDash || Chart.defaults.global.elements.line.borderDash);
- }
-
- ctx.lineDashOffset = vm.borderDashOffset || Chart.defaults.global.elements.line.borderDashOffset;
- ctx.lineJoin = vm.borderJoinStyle || Chart.defaults.global.elements.line.borderJoinStyle;
- ctx.lineWidth = vm.borderWidth || Chart.defaults.global.elements.line.borderWidth;
- ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
- ctx.beginPath();
-
- helpers.each(this._children, function(point, index) {
- var previous = helpers.previousItem(this._children, index);
- var next = helpers.nextItem(this._children, index);
-
- if (index === 0) {
- ctx.moveTo(point._view.x, point._view.y);
- } else {
- this.lineToNextPoint(previous, point, next, function(previousPoint, point, nextPoint) {
- ctx.moveTo(nextPoint._view.x, nextPoint._view.y);
- }, function(previousPoint, point) {
- // If we skipped the last point, move up to our point preventing a line from being drawn
- ctx.moveTo(point._view.x, point._view.y);
- });
- }
- }, this);
-
- if (this._loop && this._children.length > 0) {
- loopBackToStart();
- }
-
- ctx.stroke();
- ctx.restore();
- }
- });
-};
-},{}],35:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.elements.point = {
- radius: 3,
- pointStyle: 'circle',
- backgroundColor: Chart.defaults.global.defaultColor,
- borderWidth: 1,
- borderColor: Chart.defaults.global.defaultColor,
- // Hover
- hitRadius: 1,
- hoverRadius: 4,
- hoverBorderWidth: 1
- };
-
-
- Chart.elements.Point = Chart.Element.extend({
- inRange: function(mouseX, mouseY) {
- var vm = this._view;
-
- if (vm) {
- var hoverRange = vm.hitRadius + vm.radius;
- return ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(hoverRange, 2));
- } else {
- return false;
- }
- },
- inLabelRange: function(mouseX) {
- var vm = this._view;
-
- if (vm) {
- return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2));
- } else {
- return false;
- }
- },
- tooltipPosition: function() {
- var vm = this._view;
- return {
- x: vm.x,
- y: vm.y,
- padding: vm.radius + vm.borderWidth
- };
- },
- draw: function() {
-
- var vm = this._view;
- var ctx = this._chart.ctx;
-
-
- if (vm.skip) {
- return;
- }
-
- if (typeof vm.pointStyle === 'object' && ((vm.pointStyle.toString() === '[object HTMLImageElement]') || (vm.pointStyle.toString() === '[object HTMLCanvasElement]'))) {
- ctx.drawImage(vm.pointStyle, vm.x - vm.pointStyle.width / 2, vm.y - vm.pointStyle.height / 2);
- return;
- }
-
- if (!isNaN(vm.radius) && vm.radius > 0) {
-
- ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
- ctx.lineWidth = helpers.getValueOrDefault(vm.borderWidth, Chart.defaults.global.elements.point.borderWidth);
-
- ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;
-
- var radius = vm.radius;
-
- var xOffset;
- var yOffset;
-
- switch (vm.pointStyle) {
- // Default includes circle
- default: ctx.beginPath();
- ctx.arc(vm.x, vm.y, radius, 0, Math.PI * 2);
- ctx.closePath();
- ctx.fill();
- break;
- case 'triangle':
- ctx.beginPath();
- var edgeLength = 3 * radius / Math.sqrt(3);
- var height = edgeLength * Math.sqrt(3) / 2;
- ctx.moveTo(vm.x - edgeLength / 2, vm.y + height / 3);
- ctx.lineTo(vm.x + edgeLength / 2, vm.y + height / 3);
- ctx.lineTo(vm.x, vm.y - 2 * height / 3);
- ctx.closePath();
- ctx.fill();
- break;
- case 'rect':
- ctx.fillRect(vm.x - 1 / Math.SQRT2 * radius, vm.y - 1 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius);
- ctx.strokeRect(vm.x - 1 / Math.SQRT2 * radius, vm.y - 1 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius);
- break;
- case 'rectRot':
- ctx.translate(vm.x, vm.y);
- ctx.rotate(Math.PI / 4);
- ctx.fillRect(-1 / Math.SQRT2 * radius, -1 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius);
- ctx.strokeRect(-1 / Math.SQRT2 * radius, -1 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius, 2 / Math.SQRT2 * radius);
- ctx.setTransform(1, 0, 0, 1, 0, 0);
- break;
- case 'cross':
- ctx.beginPath();
- ctx.moveTo(vm.x, vm.y + radius);
- ctx.lineTo(vm.x, vm.y - radius);
- ctx.moveTo(vm.x - radius, vm.y);
- ctx.lineTo(vm.x + radius, vm.y);
- ctx.closePath();
- break;
- case 'crossRot':
- ctx.beginPath();
- xOffset = Math.cos(Math.PI / 4) * radius;
- yOffset = Math.sin(Math.PI / 4) * radius;
- ctx.moveTo(vm.x - xOffset, vm.y - yOffset);
- ctx.lineTo(vm.x + xOffset, vm.y + yOffset);
- ctx.moveTo(vm.x - xOffset, vm.y + yOffset);
- ctx.lineTo(vm.x + xOffset, vm.y - yOffset);
- ctx.closePath();
- break;
- case 'star':
- ctx.beginPath();
- ctx.moveTo(vm.x, vm.y + radius);
- ctx.lineTo(vm.x, vm.y - radius);
- ctx.moveTo(vm.x - radius, vm.y);
- ctx.lineTo(vm.x + radius, vm.y);
- xOffset = Math.cos(Math.PI / 4) * radius;
- yOffset = Math.sin(Math.PI / 4) * radius;
- ctx.moveTo(vm.x - xOffset, vm.y - yOffset);
- ctx.lineTo(vm.x + xOffset, vm.y + yOffset);
- ctx.moveTo(vm.x - xOffset, vm.y + yOffset);
- ctx.lineTo(vm.x + xOffset, vm.y - yOffset);
- ctx.closePath();
- break;
- case 'line':
- ctx.beginPath();
- ctx.moveTo(vm.x - radius, vm.y);
- ctx.lineTo(vm.x + radius, vm.y);
- ctx.closePath();
- break;
- case 'dash':
- ctx.beginPath();
- ctx.moveTo(vm.x, vm.y);
- ctx.lineTo(vm.x + radius, vm.y);
- ctx.closePath();
- break;
- }
-
- ctx.stroke();
- }
- }
- });
-};
-},{}],36:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- Chart.defaults.global.elements.rectangle = {
- backgroundColor: Chart.defaults.global.defaultColor,
- borderWidth: 0,
- borderColor: Chart.defaults.global.defaultColor,
- borderSkipped: 'bottom'
- };
-
- Chart.elements.Rectangle = Chart.Element.extend({
- draw: function() {
-
- var ctx = this._chart.ctx;
- var vm = this._view;
-
- var halfWidth = vm.width / 2,
- leftX = vm.x - halfWidth,
- rightX = vm.x + halfWidth,
- top = vm.base - (vm.base - vm.y),
- halfStroke = vm.borderWidth / 2;
-
- // Canvas doesn't allow us to stroke inside the width so we can
- // adjust the sizes to fit if we're setting a stroke on the line
- if (vm.borderWidth) {
- leftX += halfStroke;
- rightX -= halfStroke;
- top += halfStroke;
- }
-
- ctx.beginPath();
-
- ctx.fillStyle = vm.backgroundColor;
- ctx.strokeStyle = vm.borderColor;
- ctx.lineWidth = vm.borderWidth;
-
- // Corner points, from bottom-left to bottom-right clockwise
- // | 1 2 |
- // | 0 3 |
- var corners = [
- [leftX, vm.base],
- [leftX, top],
- [rightX, top],
- [rightX, vm.base]
- ];
-
- // Find first (starting) corner with fallback to 'bottom'
- var borders = ['bottom', 'left', 'top', 'right'];
- var startCorner = borders.indexOf(vm.borderSkipped, 0);
- if (startCorner === -1)
- startCorner = 0;
-
- function cornerAt(index) {
- return corners[(startCorner + index) % 4];
- }
-
- // Draw rectangle from 'startCorner'
- ctx.moveTo.apply(ctx, cornerAt(0));
- for (var i = 1; i < 4; i++)
- ctx.lineTo.apply(ctx, cornerAt(i));
-
- ctx.fill();
- if (vm.borderWidth) {
- ctx.stroke();
- }
- },
- height: function() {
- var vm = this._view;
- return vm.base - vm.y;
- },
- inRange: function(mouseX, mouseY) {
- var vm = this._view;
- var inRange = false;
-
- if (vm) {
- if (vm.y < vm.base) {
- inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.y && mouseY <= vm.base);
- } else {
- inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.base && mouseY <= vm.y);
- }
- }
-
- return inRange;
- },
- inLabelRange: function(mouseX) {
- var vm = this._view;
-
- if (vm) {
- return (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2);
- } else {
- return false;
- }
- },
- tooltipPosition: function() {
- var vm = this._view;
- return {
- x: vm.x,
- y: vm.y
- };
- }
- });
-
-};
-},{}],37:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
- // Default config for a category scale
- var defaultConfig = {
- position: "bottom"
- };
-
- var DatasetScale = Chart.Scale.extend({
- buildTicks: function(index) {
- this.startIndex = 0;
- this.endIndex = this.chart.data.labels.length;
- var findIndex;
-
- if (this.options.ticks.min !== undefined) {
- // user specified min value
- findIndex = helpers.indexOf(this.chart.data.labels, this.options.ticks.min);
- this.startIndex = findIndex !== -1 ? findIndex : this.startIndex;
- }
-
- if (this.options.ticks.max !== undefined) {
- // user specified max value
- findIndex = helpers.indexOf(this.chart.data.labels, this.options.ticks.max);
- this.endIndex = findIndex !== -1 ? findIndex : this.endIndex;
- }
-
- // If we are viewing some subset of labels, slice the original array
- this.ticks = (this.startIndex === 0 && this.endIndex === this.chart.data.labels.length) ? this.chart.data.labels : this.chart.data.labels.slice(this.startIndex, this.endIndex + 1);
- },
-
- getLabelForIndex: function(index, datasetIndex) {
- return this.ticks[index];
- },
-
- // Used to get data value locations. Value can either be an index or a numerical value
- getPixelForValue: function(value, index, datasetIndex, includeOffset) {
- // 1 is added because we need the length but we have the indexes
- var offsetAmt = Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
-
- if (this.isHorizontal()) {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- var valueWidth = innerWidth / offsetAmt;
- var widthOffset = (valueWidth * (index - this.startIndex)) + this.paddingLeft;
-
- if (this.options.gridLines.offsetGridLines && includeOffset) {
- widthOffset += (valueWidth / 2);
- }
-
- return this.left + Math.round(widthOffset);
- } else {
- var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
- var valueHeight = innerHeight / offsetAmt;
- var heightOffset = (valueHeight * (index - this.startIndex)) + this.paddingTop;
-
- if (this.options.gridLines.offsetGridLines && includeOffset) {
- heightOffset += (valueHeight / 2);
- }
-
- return this.top + Math.round(heightOffset);
- }
- },
- getPixelForTick: function(index, includeOffset) {
- return this.getPixelForValue(this.ticks[index], index + this.startIndex, null, includeOffset);
- }
- });
-
- Chart.scaleService.registerScaleType("category", DatasetScale, defaultConfig);
-
-};
-},{}],38:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- var defaultConfig = {
- position: "left",
- ticks: {
- callback: function(tickValue, index, ticks) {
- var delta = ticks[1] - ticks[0];
-
- // If we have a number like 2.5 as the delta, figure out how many decimal places we need
- if (Math.abs(delta) > 1) {
- if (tickValue !== Math.floor(tickValue)) {
- // not an integer
- delta = tickValue - Math.floor(tickValue);
- }
- }
-
- var logDelta = helpers.log10(Math.abs(delta));
- var tickString = '';
-
- if (tickValue !== 0) {
- var numDecimal = -1 * Math.floor(logDelta);
- numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places
- tickString = tickValue.toFixed(numDecimal);
- } else {
- tickString = '0'; // never show decimal places for 0
- }
-
- return tickString;
- }
- }
- };
-
- var LinearScale = Chart.Scale.extend({
- determineDataLimits: function() {
- // First Calculate the range
- this.min = null;
- this.max = null;
-
- if (this.options.stacked) {
- var valuesPerType = {};
- var hasPositiveValues = false;
- var hasNegativeValues = false;
-
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (valuesPerType[dataset.type] === undefined) {
- valuesPerType[dataset.type] = {
- positiveValues: [],
- negativeValues: []
- };
- }
-
- // Store these per type
- var positiveValues = valuesPerType[dataset.type].positiveValues;
- var negativeValues = valuesPerType[dataset.type].negativeValues;
-
- if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
- helpers.each(dataset.data, function(rawValue, index) {
-
- var value = +this.getRightValue(rawValue);
- if (isNaN(value)) {
- return;
- }
-
- positiveValues[index] = positiveValues[index] || 0;
- negativeValues[index] = negativeValues[index] || 0;
-
- if (this.options.relativePoints) {
- positiveValues[index] = 100;
- } else {
- if (value < 0) {
- hasNegativeValues = true;
- negativeValues[index] += value;
- } else {
- hasPositiveValues = true;
- positiveValues[index] += value;
- }
- }
- }, this);
- }
- }, this);
-
- helpers.each(valuesPerType, function(valuesForType) {
- var values = valuesForType.positiveValues.concat(valuesForType.negativeValues);
- var minVal = helpers.min(values);
- var maxVal = helpers.max(values);
- this.min = this.min === null ? minVal : Math.min(this.min, minVal);
- this.max = this.max === null ? maxVal : Math.max(this.max, maxVal);
- }, this);
-
- } else {
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
- helpers.each(dataset.data, function(rawValue, index) {
- var value = +this.getRightValue(rawValue);
- if (isNaN(value)) {
- return;
- }
-
- if (this.min === null) {
- this.min = value;
- } else if (value < this.min) {
- this.min = value;
- }
-
- if (this.max === null) {
- this.max = value;
- } else if (value > this.max) {
- this.max = value;
- }
- }, this);
- }
- }, this);
- }
-
- // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
- // do nothing since that would make the chart weird. If the user really wants a weird chart
- // axis, they can manually override it
- if (this.options.ticks.beginAtZero) {
- var minSign = helpers.sign(this.min);
- var maxSign = helpers.sign(this.max);
-
- if (minSign < 0 && maxSign < 0) {
- // move the top up to 0
- this.max = 0;
- } else if (minSign > 0 && maxSign > 0) {
- // move the botttom down to 0
- this.min = 0;
- }
- }
-
- if (this.options.ticks.min !== undefined) {
- this.min = this.options.ticks.min;
- } else if (this.options.ticks.suggestedMin !== undefined) {
- this.min = Math.min(this.min, this.options.ticks.suggestedMin);
- }
-
- if (this.options.ticks.max !== undefined) {
- this.max = this.options.ticks.max;
- } else if (this.options.ticks.suggestedMax !== undefined) {
- this.max = Math.max(this.max, this.options.ticks.suggestedMax);
- }
-
- if (this.min === this.max) {
- this.min--;
- this.max++;
- }
- },
- buildTicks: function() {
-
- // Then calulate the ticks
- this.ticks = [];
-
- // Figure out what the max number of ticks we can support it is based on the size of
- // the axis area. For now, we say that the minimum tick spacing in pixels must be 50
- // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
- // the graph
-
- var maxTicks;
-
- if (this.isHorizontal()) {
- maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11, Math.ceil(this.width / 50));
- } else {
- // The factor of 2 used to scale the font size has been experimentally determined.
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11, Math.ceil(this.height / (2 * tickFontSize)));
- }
-
- // Make sure we always have at least 2 ticks
- maxTicks = Math.max(2, maxTicks);
-
- // To get a "nice" value for the tick spacing, we will use the appropriately named
- // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
- // for details.
-
- var spacing;
- var fixedStepSizeSet = (this.options.ticks.fixedStepSize && this.options.ticks.fixedStepSize > 0) || (this.options.ticks.stepSize && this.options.ticks.stepSize > 0);
- if (fixedStepSizeSet) {
- spacing = helpers.getValueOrDefault(this.options.ticks.fixedStepSize, this.options.ticks.stepSize);
- } else {
- var niceRange = helpers.niceNum(this.max - this.min, false);
- spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
- }
- var niceMin = Math.floor(this.min / spacing) * spacing;
- var niceMax = Math.ceil(this.max / spacing) * spacing;
- var numSpaces = (niceMax - niceMin) / spacing;
-
- // If very close to our rounded value, use it.
- if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) {
- numSpaces = Math.round(numSpaces);
- } else {
- numSpaces = Math.ceil(numSpaces);
- }
-
- // Put the values into the ticks array
- this.ticks.push(this.options.ticks.min !== undefined ? this.options.ticks.min : niceMin);
- for (var j = 1; j < numSpaces; ++j) {
- this.ticks.push(niceMin + (j * spacing));
- }
- this.ticks.push(this.options.ticks.max !== undefined ? this.options.ticks.max : niceMax);
-
- if (this.options.position === "left" || this.options.position === "right") {
- // We are in a vertical orientation. The top value is the highest. So reverse the array
- this.ticks.reverse();
- }
-
- // At this point, we need to update our max and min given the tick values since we have expanded the
- // range of the scale
- this.max = helpers.max(this.ticks);
- this.min = helpers.min(this.ticks);
-
- if (this.options.ticks.reverse) {
- this.ticks.reverse();
-
- this.start = this.max;
- this.end = this.min;
- } else {
- this.start = this.min;
- this.end = this.max;
- }
- },
- getLabelForIndex: function(index, datasetIndex) {
- return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
- },
- convertTicksToLabels: function() {
- this.ticksAsNumbers = this.ticks.slice();
- this.zeroLineIndex = this.ticks.indexOf(0);
-
- Chart.Scale.prototype.convertTicksToLabels.call(this);
- },
- // Utils
- getPixelForValue: function(value, index, datasetIndex, includeOffset) {
- // This must be called after fit has been run so that
- // this.left, this.top, this.right, and this.bottom have been defined
- var rightValue = +this.getRightValue(value);
- var pixel;
- var range = this.end - this.start;
-
- if (this.isHorizontal()) {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- pixel = this.left + (innerWidth / range * (rightValue - this.start));
- return Math.round(pixel + this.paddingLeft);
- } else {
- var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
- pixel = (this.bottom - this.paddingBottom) - (innerHeight / range * (rightValue - this.start));
- return Math.round(pixel);
- }
- },
- getPixelForTick: function(index, includeOffset) {
- return this.getPixelForValue(this.ticksAsNumbers[index], null, null, includeOffset);
- }
- });
- Chart.scaleService.registerScaleType("linear", LinearScale, defaultConfig);
-
-};
-},{}],39:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- var defaultConfig = {
- position: "left",
-
- // label settings
- ticks: {
- callback: function(value, index, arr) {
- var remain = value / (Math.pow(10, Math.floor(Chart.helpers.log10(value))));
-
- if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === arr.length - 1) {
- return value.toExponential();
- } else {
- return '';
- }
- }
- }
- };
-
- var LogarithmicScale = Chart.Scale.extend({
- determineDataLimits: function() {
- // Calculate Range
- this.min = null;
- this.max = null;
-
- if (this.options.stacked) {
- var valuesPerType = {};
-
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
- if (valuesPerType[dataset.type] === undefined) {
- valuesPerType[dataset.type] = [];
- }
-
- helpers.each(dataset.data, function(rawValue, index) {
- var values = valuesPerType[dataset.type];
- var value = +this.getRightValue(rawValue);
- if (isNaN(value)) {
- return;
- }
-
- values[index] = values[index] || 0;
-
- if (this.options.relativePoints) {
- values[index] = 100;
- } else {
- // Don't need to split positive and negative since the log scale can't handle a 0 crossing
- values[index] += value;
- }
- }, this);
- }
- }, this);
-
- helpers.each(valuesPerType, function(valuesForType) {
- var minVal = helpers.min(valuesForType);
- var maxVal = helpers.max(valuesForType);
- this.min = this.min === null ? minVal : Math.min(this.min, minVal);
- this.max = this.max === null ? maxVal : Math.max(this.max, maxVal);
- }, this);
-
- } else {
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (helpers.isDatasetVisible(dataset) && (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id)) {
- helpers.each(dataset.data, function(rawValue, index) {
- var value = +this.getRightValue(rawValue);
- if (isNaN(value)) {
- return;
- }
-
- if (this.min === null) {
- this.min = value;
- } else if (value < this.min) {
- this.min = value;
- }
-
- if (this.max === null) {
- this.max = value;
- } else if (value > this.max) {
- this.max = value;
- }
- }, this);
- }
- }, this);
- }
-
- this.min = this.options.ticks.min !== undefined ? this.options.ticks.min : this.min;
- this.max = this.options.ticks.max !== undefined ? this.options.ticks.max : this.max;
-
- if (this.min === this.max) {
- if (this.min !== 0 && this.min !== null) {
- this.min = Math.pow(10, Math.floor(helpers.log10(this.min)) - 1);
- this.max = Math.pow(10, Math.floor(helpers.log10(this.max)) + 1);
- } else {
- this.min = 1;
- this.max = 10;
- }
- }
- },
- buildTicks: function() {
- // Reset the ticks array. Later on, we will draw a grid line at these positions
- // The array simply contains the numerical value of the spots where ticks will be
- this.ticks = [];
-
- // Figure out what the max number of ticks we can support it is based on the size of
- // the axis area. For now, we say that the minimum tick spacing in pixels must be 50
- // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
- // the graph
-
- var tickVal = this.options.ticks.min !== undefined ? this.options.ticks.min : Math.pow(10, Math.floor(helpers.log10(this.min)));
-
- while (tickVal < this.max) {
- this.ticks.push(tickVal);
-
- var exp = Math.floor(helpers.log10(tickVal));
- var significand = Math.floor(tickVal / Math.pow(10, exp)) + 1;
-
- if (significand === 10) {
- significand = 1;
- ++exp;
- }
-
- tickVal = significand * Math.pow(10, exp);
- }
-
- var lastTick = this.options.ticks.max !== undefined ? this.options.ticks.max : tickVal;
- this.ticks.push(lastTick);
-
- if (this.options.position === "left" || this.options.position === "right") {
- // We are in a vertical orientation. The top value is the highest. So reverse the array
- this.ticks.reverse();
- }
-
- // At this point, we need to update our max and min given the tick values since we have expanded the
- // range of the scale
- this.max = helpers.max(this.ticks);
- this.min = helpers.min(this.ticks);
-
- if (this.options.ticks.reverse) {
- this.ticks.reverse();
-
- this.start = this.max;
- this.end = this.min;
- } else {
- this.start = this.min;
- this.end = this.max;
- }
- },
- convertTicksToLabels: function() {
- this.tickValues = this.ticks.slice();
-
- Chart.Scale.prototype.convertTicksToLabels.call(this);
- },
- // Get the correct tooltip label
- getLabelForIndex: function(index, datasetIndex) {
- return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
- },
- getPixelForTick: function(index, includeOffset) {
- return this.getPixelForValue(this.tickValues[index], null, null, includeOffset);
- },
- getPixelForValue: function(value, index, datasetIndex, includeOffset) {
- var pixel;
-
- var newVal = +this.getRightValue(value);
- var range = helpers.log10(this.end) - helpers.log10(this.start);
-
- if (this.isHorizontal()) {
-
- if (newVal === 0) {
- pixel = this.left + this.paddingLeft;
- } else {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- pixel = this.left + (innerWidth / range * (helpers.log10(newVal) - helpers.log10(this.start)));
- pixel += this.paddingLeft;
- }
- } else {
- // Bottom - top since pixels increase downard on a screen
- if (newVal === 0) {
- pixel = this.top + this.paddingTop;
- } else {
- var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
- pixel = (this.bottom - this.paddingBottom) - (innerHeight / range * (helpers.log10(newVal) - helpers.log10(this.start)));
- }
- }
-
- return pixel;
- }
-
- });
- Chart.scaleService.registerScaleType("logarithmic", LogarithmicScale, defaultConfig);
-
-};
-},{}],40:[function(require,module,exports){
-"use strict";
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
-
- var defaultConfig = {
- display: true,
-
- //Boolean - Whether to animate scaling the chart from the centre
- animate: true,
- lineArc: false,
- position: "chartArea",
-
- angleLines: {
- display: true,
- color: "rgba(0, 0, 0, 0.1)",
- lineWidth: 1
- },
-
- // label settings
- ticks: {
- //Boolean - Show a backdrop to the scale label
- showLabelBackdrop: true,
-
- //String - The colour of the label backdrop
- backdropColor: "rgba(255,255,255,0.75)",
-
- //Number - The backdrop padding above & below the label in pixels
- backdropPaddingY: 2,
-
- //Number - The backdrop padding to the side of the label in pixels
- backdropPaddingX: 2
- },
-
- pointLabels: {
- //Number - Point label font size in pixels
- fontSize: 10,
-
- //Function - Used to convert point labels
- callback: function(label) {
- return label;
- }
- }
- };
-
- var LinearRadialScale = Chart.Scale.extend({
- getValueCount: function() {
- return this.chart.data.labels.length;
- },
- setDimensions: function() {
- // Set the unconstrained dimension before label rotation
- this.width = this.maxWidth;
- this.height = this.maxHeight;
- this.xCenter = Math.round(this.width / 2);
- this.yCenter = Math.round(this.height / 2);
-
- var minSize = helpers.min([this.height, this.width]);
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- this.drawingArea = (this.options.display) ? (minSize / 2) - (tickFontSize / 2 + this.options.ticks.backdropPaddingY) : (minSize / 2);
- },
- determineDataLimits: function() {
- this.min = null;
- this.max = null;
-
- helpers.each(this.chart.data.datasets, function(dataset) {
- if (helpers.isDatasetVisible(dataset)) {
- helpers.each(dataset.data, function(rawValue, index) {
- var value = +this.getRightValue(rawValue);
- if (isNaN(value)) {
- return;
- }
-
- if (this.min === null) {
- this.min = value;
- } else if (value < this.min) {
- this.min = value;
- }
-
- if (this.max === null) {
- this.max = value;
- } else if (value > this.max) {
- this.max = value;
- }
- }, this);
- }
- }, this);
-
- // If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
- // do nothing since that would make the chart weird. If the user really wants a weird chart
- // axis, they can manually override it
- if (this.options.ticks.beginAtZero) {
- var minSign = helpers.sign(this.min);
- var maxSign = helpers.sign(this.max);
-
- if (minSign < 0 && maxSign < 0) {
- // move the top up to 0
- this.max = 0;
- } else if (minSign > 0 && maxSign > 0) {
- // move the botttom down to 0
- this.min = 0;
- }
- }
-
- if (this.options.ticks.min !== undefined) {
- this.min = this.options.ticks.min;
- } else if (this.options.ticks.suggestedMin !== undefined) {
- this.min = Math.min(this.min, this.options.ticks.suggestedMin);
- }
-
- if (this.options.ticks.max !== undefined) {
- this.max = this.options.ticks.max;
- } else if (this.options.ticks.suggestedMax !== undefined) {
- this.max = Math.max(this.max, this.options.ticks.suggestedMax);
- }
-
- if (this.min === this.max) {
- this.min--;
- this.max++;
- }
- },
- buildTicks: function() {
-
-
- this.ticks = [];
-
- // Figure out what the max number of ticks we can support it is based on the size of
- // the axis area. For now, we say that the minimum tick spacing in pixels must be 50
- // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
- // the graph
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var maxTicks = Math.min(this.options.ticks.maxTicksLimit ? this.options.ticks.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize)));
- maxTicks = Math.max(2, maxTicks); // Make sure we always have at least 2 ticks
-
- // To get a "nice" value for the tick spacing, we will use the appropriately named
- // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
- // for details.
-
- var niceRange = helpers.niceNum(this.max - this.min, false);
- var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
- var niceMin = Math.floor(this.min / spacing) * spacing;
- var niceMax = Math.ceil(this.max / spacing) * spacing;
-
- var numSpaces = Math.ceil((niceMax - niceMin) / spacing);
-
- // Put the values into the ticks array
- this.ticks.push(this.options.ticks.min !== undefined ? this.options.ticks.min : niceMin);
- for (var j = 1; j < numSpaces; ++j) {
- this.ticks.push(niceMin + (j * spacing));
- }
- this.ticks.push(this.options.ticks.max !== undefined ? this.options.ticks.max : niceMax);
-
- // At this point, we need to update our max and min given the tick values since we have expanded the
- // range of the scale
- this.max = helpers.max(this.ticks);
- this.min = helpers.min(this.ticks);
-
- if (this.options.ticks.reverse) {
- this.ticks.reverse();
-
- this.start = this.max;
- this.end = this.min;
- } else {
- this.start = this.min;
- this.end = this.max;
- }
-
- this.zeroLineIndex = this.ticks.indexOf(0);
- },
- convertTicksToLabels: function() {
- Chart.Scale.prototype.convertTicksToLabels.call(this);
-
- // Point labels
- this.pointLabels = this.chart.data.labels.map(this.options.pointLabels.callback, this);
- },
- getLabelForIndex: function(index, datasetIndex) {
- return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
- },
- fit: function() {
- /*
- * Right, this is really confusing and there is a lot of maths going on here
- * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
- *
- * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
- *
- * Solution:
- *
- * We assume the radius of the polygon is half the size of the canvas at first
- * at each index we check if the text overlaps.
- *
- * Where it does, we store that angle and that index.
- *
- * After finding the largest index and angle we calculate how much we need to remove
- * from the shape radius to move the point inwards by that x.
- *
- * We average the left and right distances to get the maximum shape radius that can fit in the box
- * along with labels.
- *
- * Once we have that, we can find the centre point for the chart, by taking the x text protrusion
- * on each side, removing that from the size, halving it and adding the left x protrusion width.
- *
- * This will mean we have a shape fitted to the canvas, as large as it can be with the labels
- * and position it in the most space efficient manner
- *
- * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
- */
-
- var pointLabelFontSize = helpers.getValueOrDefault(this.options.pointLabels.fontSize, Chart.defaults.global.defaultFontSize);
- var pointLabeFontStyle = helpers.getValueOrDefault(this.options.pointLabels.fontStyle, Chart.defaults.global.defaultFontStyle);
- var pointLabeFontFamily = helpers.getValueOrDefault(this.options.pointLabels.fontFamily, Chart.defaults.global.defaultFontFamily);
- var pointLabeFont = helpers.fontString(pointLabelFontSize, pointLabeFontStyle, pointLabeFontFamily);
-
- // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
- // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
- var largestPossibleRadius = helpers.min([(this.height / 2 - pointLabelFontSize - 5), this.width / 2]),
- pointPosition,
- i,
- textWidth,
- halfTextWidth,
- furthestRight = this.width,
- furthestRightIndex,
- furthestRightAngle,
- furthestLeft = 0,
- furthestLeftIndex,
- furthestLeftAngle,
- xProtrusionLeft,
- xProtrusionRight,
- radiusReductionRight,
- radiusReductionLeft,
- maxWidthRadius;
- this.ctx.font = pointLabeFont;
-
- for (i = 0; i < this.getValueCount(); i++) {
- // 5px to space the text slightly out - similar to what we do in the draw function.
- pointPosition = this.getPointPosition(i, largestPossibleRadius);
- textWidth = this.ctx.measureText(this.pointLabels[i] ? this.pointLabels[i] : '').width + 5;
- if (i === 0 || i === this.getValueCount() / 2) {
- // If we're at index zero, or exactly the middle, we're at exactly the top/bottom
- // of the radar chart, so text will be aligned centrally, so we'll half it and compare
- // w/left and right text sizes
- halfTextWidth = textWidth / 2;
- if (pointPosition.x + halfTextWidth > furthestRight) {
- furthestRight = pointPosition.x + halfTextWidth;
- furthestRightIndex = i;
- }
- if (pointPosition.x - halfTextWidth < furthestLeft) {
- furthestLeft = pointPosition.x - halfTextWidth;
- furthestLeftIndex = i;
- }
- } else if (i < this.getValueCount() / 2) {
- // Less than half the values means we'll left align the text
- if (pointPosition.x + textWidth > furthestRight) {
- furthestRight = pointPosition.x + textWidth;
- furthestRightIndex = i;
- }
- } else if (i > this.getValueCount() / 2) {
- // More than half the values means we'll right align the text
- if (pointPosition.x - textWidth < furthestLeft) {
- furthestLeft = pointPosition.x - textWidth;
- furthestLeftIndex = i;
- }
- }
- }
-
- xProtrusionLeft = furthestLeft;
- xProtrusionRight = Math.ceil(furthestRight - this.width);
-
- furthestRightAngle = this.getIndexAngle(furthestRightIndex);
- furthestLeftAngle = this.getIndexAngle(furthestLeftIndex);
-
- radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI / 2);
- radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI / 2);
-
- // Ensure we actually need to reduce the size of the chart
- radiusReductionRight = (helpers.isNumber(radiusReductionRight)) ? radiusReductionRight : 0;
- radiusReductionLeft = (helpers.isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0;
-
- this.drawingArea = Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2);
- this.setCenterPoint(radiusReductionLeft, radiusReductionRight);
- },
- setCenterPoint: function(leftMovement, rightMovement) {
-
- var maxRight = this.width - rightMovement - this.drawingArea,
- maxLeft = leftMovement + this.drawingArea;
-
- this.xCenter = Math.round(((maxLeft + maxRight) / 2) + this.left);
- // Always vertically in the centre as the text height doesn't change
- this.yCenter = Math.round((this.height / 2) + this.top);
- },
-
- getIndexAngle: function(index) {
- var angleMultiplier = (Math.PI * 2) / this.getValueCount();
- // Start from the top instead of right, so remove a quarter of the circle
-
- return index * angleMultiplier - (Math.PI / 2);
- },
- getDistanceFromCenterForValue: function(value) {
- if (value === null) {
- return 0; // null always in center
- }
-
- // Take into account half font size + the yPadding of the top value
- var scalingFactor = this.drawingArea / (this.max - this.min);
- if (this.options.reverse) {
- return (this.max - value) * scalingFactor;
- } else {
- return (value - this.min) * scalingFactor;
- }
- },
- getPointPosition: function(index, distanceFromCenter) {
- var thisAngle = this.getIndexAngle(index);
- return {
- x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + this.xCenter,
- y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + this.yCenter
- };
- },
- getPointPositionForValue: function(index, value) {
- return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
- },
- draw: function() {
- if (this.options.display) {
- var ctx = this.ctx;
- helpers.each(this.ticks, function(label, index) {
- // Don't draw a centre value (if it is minimum)
- if (index > 0 || this.options.reverse) {
- var yCenterOffset = this.getDistanceFromCenterForValue(this.ticks[index]);
- var yHeight = this.yCenter - yCenterOffset;
-
- // Draw circular lines around the scale
- if (this.options.gridLines.display) {
- ctx.strokeStyle = this.options.gridLines.color;
- ctx.lineWidth = this.options.gridLines.lineWidth;
-
- if (this.options.lineArc) {
- // Draw circular arcs between the points
- ctx.beginPath();
- ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI * 2);
- ctx.closePath();
- ctx.stroke();
- } else {
- // Draw straight lines connecting each index
- ctx.beginPath();
- for (var i = 0; i < this.getValueCount(); i++) {
- var pointPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.ticks[index]));
- if (i === 0) {
- ctx.moveTo(pointPosition.x, pointPosition.y);
- } else {
- ctx.lineTo(pointPosition.x, pointPosition.y);
- }
- }
- ctx.closePath();
- ctx.stroke();
- }
- }
-
- if (this.options.ticks.display) {
- var tickFontColor = helpers.getValueOrDefault(this.options.ticks.fontColor, Chart.defaults.global.defaultFontColor);
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
- var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
- var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
- ctx.font = tickLabelFont;
-
- if (this.options.ticks.showLabelBackdrop) {
- var labelWidth = ctx.measureText(label).width;
- ctx.fillStyle = this.options.ticks.backdropColor;
- ctx.fillRect(
- this.xCenter - labelWidth / 2 - this.options.ticks.backdropPaddingX,
- yHeight - tickFontSize / 2 - this.options.ticks.backdropPaddingY,
- labelWidth + this.options.ticks.backdropPaddingX * 2,
- tickFontSize + this.options.ticks.backdropPaddingY * 2
- );
- }
-
- ctx.textAlign = 'center';
- ctx.textBaseline = "middle";
- ctx.fillStyle = tickFontColor;
- ctx.fillText(label, this.xCenter, yHeight);
- }
- }
- }, this);
-
- if (!this.options.lineArc) {
- ctx.lineWidth = this.options.angleLines.lineWidth;
- ctx.strokeStyle = this.options.angleLines.color;
-
- for (var i = this.getValueCount() - 1; i >= 0; i--) {
- if (this.options.angleLines.display) {
- var outerPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max));
- ctx.beginPath();
- ctx.moveTo(this.xCenter, this.yCenter);
- ctx.lineTo(outerPosition.x, outerPosition.y);
- ctx.stroke();
- ctx.closePath();
- }
- // Extra 3px out for some label spacing
- var pointLabelPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max) + 5);
-
- var pointLabelFontColor = helpers.getValueOrDefault(this.options.pointLabels.fontColor, Chart.defaults.global.defaultFontColor);
- var pointLabelFontSize = helpers.getValueOrDefault(this.options.pointLabels.fontSize, Chart.defaults.global.defaultFontSize);
- var pointLabeFontStyle = helpers.getValueOrDefault(this.options.pointLabels.fontStyle, Chart.defaults.global.defaultFontStyle);
- var pointLabeFontFamily = helpers.getValueOrDefault(this.options.pointLabels.fontFamily, Chart.defaults.global.defaultFontFamily);
- var pointLabeFont = helpers.fontString(pointLabelFontSize, pointLabeFontStyle, pointLabeFontFamily);
-
- ctx.font = pointLabeFont;
- ctx.fillStyle = pointLabelFontColor;
-
- var labelsCount = this.pointLabels.length,
- halfLabelsCount = this.pointLabels.length / 2,
- quarterLabelsCount = halfLabelsCount / 2,
- upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount),
- exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount);
- if (i === 0) {
- ctx.textAlign = 'center';
- } else if (i === halfLabelsCount) {
- ctx.textAlign = 'center';
- } else if (i < halfLabelsCount) {
- ctx.textAlign = 'left';
- } else {
- ctx.textAlign = 'right';
- }
-
- // Set the correct text baseline based on outer positioning
- if (exactQuarter) {
- ctx.textBaseline = 'middle';
- } else if (upperHalf) {
- ctx.textBaseline = 'bottom';
- } else {
- ctx.textBaseline = 'top';
- }
-
- ctx.fillText(this.pointLabels[i] ? this.pointLabels[i] : '', pointLabelPosition.x, pointLabelPosition.y);
- }
- }
- }
- }
- });
- Chart.scaleService.registerScaleType("radialLinear", LinearRadialScale, defaultConfig);
-
-};
-},{}],41:[function(require,module,exports){
-/*global window: false */
-"use strict";
-
-var moment = require('moment');
-moment = typeof(moment) === 'function' ? moment : window.moment;
-
-module.exports = function(Chart) {
-
- var helpers = Chart.helpers;
- var time = {
- units: [{
- name: 'millisecond',
- steps: [1, 2, 5, 10, 20, 50, 100, 250, 500]
- }, {
- name: 'second',
- steps: [1, 2, 5, 10, 30]
- }, {
- name: 'minute',
- steps: [1, 2, 5, 10, 30]
- }, {
- name: 'hour',
- steps: [1, 2, 3, 6, 12]
- }, {
- name: 'day',
- steps: [1, 2, 5]
- }, {
- name: 'week',
- maxStep: 4
- }, {
- name: 'month',
- maxStep: 3
- }, {
- name: 'quarter',
- maxStep: 4
- }, {
- name: 'year',
- maxStep: false
- }]
- };
-
- var defaultConfig = {
- position: "bottom",
-
- time: {
- parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment
- format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/
- unit: false, // false == automatic or override with week, month, year, etc.
- round: false, // none, or override with week, month, year, etc.
- displayFormat: false, // DEPRECATED
-
- // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/
- displayFormats: {
- 'millisecond': 'h:mm:ss.SSS a', // 11:20:01.123 AM,
- 'second': 'h:mm:ss a', // 11:20:01 AM
- 'minute': 'h:mm:ss a', // 11:20:01 AM
- 'hour': 'MMM D, hA', // Sept 4, 5PM
- 'day': 'll', // Sep 4 2015
- 'week': 'll', // Week 46, or maybe "[W]WW - YYYY" ?
- 'month': 'MMM YYYY', // Sept 2015
- 'quarter': '[Q]Q - YYYY', // Q3
- 'year': 'YYYY' // 2015
- }
- },
- ticks: {
- autoSkip: false
- }
- };
-
- var TimeScale = Chart.Scale.extend({
- initialize: function() {
- if (!moment) {
- throw new Error('Chart.js - Moment.js could not be found! You must include it before Chart.js to use the time scale. Download at https://momentjs.com');
- }
-
- Chart.Scale.prototype.initialize.call(this);
- },
- getLabelMoment: function(datasetIndex, index) {
- return this.labelMoments[datasetIndex][index];
- },
- determineDataLimits: function() {
- this.labelMoments = [];
-
- // Only parse these once. If the dataset does not have data as x,y pairs, we will use
- // these
- var scaleLabelMoments = [];
- if (this.chart.data.labels && this.chart.data.labels.length > 0) {
- helpers.each(this.chart.data.labels, function(label, index) {
- var labelMoment = this.parseTime(label);
- if (this.options.time.round) {
- labelMoment.startOf(this.options.time.round);
- }
- scaleLabelMoments.push(labelMoment);
- }, this);
-
- this.firstTick = moment.min.call(this, scaleLabelMoments);
- this.lastTick = moment.max.call(this, scaleLabelMoments);
- } else {
- this.firstTick = null;
- this.lastTick = null;
- }
-
- helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
- var momentsForDataset = [];
-
- if (typeof dataset.data[0] === 'object') {
- helpers.each(dataset.data, function(value, index) {
- var labelMoment = this.parseTime(this.getRightValue(value));
- if (this.options.time.round) {
- labelMoment.startOf(this.options.time.round);
- }
- momentsForDataset.push(labelMoment);
-
- // May have gone outside the scale ranges, make sure we keep the first and last ticks updated
- this.firstTick = this.firstTick !== null ? moment.min(this.firstTick, labelMoment) : labelMoment;
- this.lastTick = this.lastTick !== null ? moment.max(this.lastTick, labelMoment) : labelMoment;
- }, this);
- } else {
- // We have no labels. Use the ones from the scale
- momentsForDataset = scaleLabelMoments;
- }
-
- this.labelMoments.push(momentsForDataset);
- }, this);
-
- // Set these after we've done all the data
- if (this.options.time.min) {
- this.firstTick = this.parseTime(this.options.time.min);
- }
-
- if (this.options.time.max) {
- this.lastTick = this.parseTime(this.options.time.max);
- }
-
- // We will modify these, so clone for later
- this.firstTick = (this.firstTick || moment()).clone();
- this.lastTick = (this.lastTick || moment()).clone();
- },
- buildTicks: function(index) {
-
- this.ctx.save();
- var tickFontSize = helpers.getValueOrDefault(this.options.ticks.fontSize, Chart.defaults.global.defaultFontSize);
- var tickFontStyle = helpers.getValueOrDefault(this.options.ticks.fontStyle, Chart.defaults.global.defaultFontStyle);
- var tickFontFamily = helpers.getValueOrDefault(this.options.ticks.fontFamily, Chart.defaults.global.defaultFontFamily);
- var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily);
- this.ctx.font = tickLabelFont;
-
- this.ticks = [];
- this.unitScale = 1; // How much we scale the unit by, ie 2 means 2x unit per step
- this.scaleSizeInUnits = 0; // How large the scale is in the base unit (seconds, minutes, etc)
-
- // Set unit override if applicable
- if (this.options.time.unit) {
- this.tickUnit = this.options.time.unit || 'day';
- this.displayFormat = this.options.time.displayFormats[this.tickUnit];
- this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
- this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, 1);
- } else {
- // Determine the smallest needed unit of the time
- var innerWidth = this.isHorizontal() ? this.width - (this.paddingLeft + this.paddingRight) : this.height - (this.paddingTop + this.paddingBottom);
-
- // Crude approximation of what the label length might be
- var tempFirstLabel = this.tickFormatFunction(this.firstTick, 0, []);
- var tickLabelWidth = this.ctx.measureText(tempFirstLabel).width;
- var cosRotation = Math.cos(helpers.toRadians(this.options.ticks.maxRotation));
- var sinRotation = Math.sin(helpers.toRadians(this.options.ticks.maxRotation));
- tickLabelWidth = (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation);
- var labelCapacity = innerWidth / (tickLabelWidth);
-
- // Start as small as possible
- this.tickUnit = 'millisecond';
- this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
- this.displayFormat = this.options.time.displayFormats[this.tickUnit];
-
- var unitDefinitionIndex = 0;
- var unitDefinition = time.units[unitDefinitionIndex];
-
- // While we aren't ideal and we don't have units left
- while (unitDefinitionIndex < time.units.length) {
- // Can we scale this unit. If `false` we can scale infinitely
- this.unitScale = 1;
-
- if (helpers.isArray(unitDefinition.steps) && Math.ceil(this.scaleSizeInUnits / labelCapacity) < helpers.max(unitDefinition.steps)) {
- // Use one of the prefedined steps
- for (var idx = 0; idx < unitDefinition.steps.length; ++idx) {
- if (unitDefinition.steps[idx] >= Math.ceil(this.scaleSizeInUnits / labelCapacity)) {
- this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, unitDefinition.steps[idx]);
- break;
- }
- }
-
- break;
- } else if ((unitDefinition.maxStep === false) || (Math.ceil(this.scaleSizeInUnits / labelCapacity) < unitDefinition.maxStep)) {
- // We have a max step. Scale this unit
- this.unitScale = helpers.getValueOrDefault(this.options.time.unitStepSize, Math.ceil(this.scaleSizeInUnits / labelCapacity));
- break;
- } else {
- // Move to the next unit up
- ++unitDefinitionIndex;
- unitDefinition = time.units[unitDefinitionIndex];
-
- this.tickUnit = unitDefinition.name;
- this.scaleSizeInUnits = this.lastTick.diff(this.firstTick, this.tickUnit, true);
- this.displayFormat = this.options.time.displayFormats[unitDefinition.name];
- }
- }
- }
-
- var roundedStart;
-
- // Only round the first tick if we have no hard minimum
- if (!this.options.time.min) {
- this.firstTick.startOf(this.tickUnit);
- roundedStart = this.firstTick;
- } else {
- roundedStart = this.firstTick.clone().startOf(this.tickUnit);
- }
-
- // Only round the last tick if we have no hard maximum
- if (!this.options.time.max) {
- this.lastTick.endOf(this.tickUnit);
- }
-
- this.smallestLabelSeparation = this.width;
-
- helpers.each(this.chart.data.datasets, function(dataset, datasetIndex) {
- for (var i = 1; i < this.labelMoments[datasetIndex].length; i++) {
- this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[datasetIndex][i].diff(this.labelMoments[datasetIndex][i - 1], this.tickUnit, true));
- }
- }, this);
-
- // Tick displayFormat override
- if (this.options.time.displayFormat) {
- this.displayFormat = this.options.time.displayFormat;
- }
-
- // first tick. will have been rounded correctly if options.time.min is not specified
- this.ticks.push(this.firstTick.clone());
-
- // For every unit in between the first and last moment, create a moment and add it to the ticks tick
- for (var i = 1; i < this.scaleSizeInUnits; ++i) {
- var newTick = roundedStart.clone().add(i, this.tickUnit);
-
- // Are we greater than the max time
- if (this.options.time.max && newTick.diff(this.lastTick, this.tickUnit, true) >= 0) {
- break;
- }
-
- if (i % this.unitScale === 0) {
- this.ticks.push(newTick);
- }
- }
-
- // Always show the right tick
- if (this.ticks[this.ticks.length - 1].diff(this.lastTick, this.tickUnit) !== 0 || this.scaleSizeInUnits === 0) {
- // this is a weird case. If the <max> option is the same as the end option, we can't just diff the times because the tick was created from the roundedStart
- // but the last tick was not rounded.
- if (this.options.time.max) {
- this.ticks.push(this.lastTick.clone());
- this.scaleSizeInUnits = this.lastTick.diff(this.ticks[0], this.tickUnit, true);
- } else {
- this.scaleSizeInUnits = Math.ceil(this.scaleSizeInUnits / this.unitScale) * this.unitScale;
- this.ticks.push(this.firstTick.clone().add(this.scaleSizeInUnits, this.tickUnit));
- this.lastTick = this.ticks[this.ticks.length - 1].clone();
- }
- }
- this.ctx.restore();
- },
- // Get tooltip label
- getLabelForIndex: function(index, datasetIndex) {
- var label = this.chart.data.labels && index < this.chart.data.labels.length ? this.chart.data.labels[index] : '';
-
- if (typeof this.chart.data.datasets[datasetIndex].data[0] === 'object') {
- label = this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]);
- }
-
- // Format nicely
- if (this.options.time.tooltipFormat) {
- label = this.parseTime(label).format(this.options.time.tooltipFormat);
- }
-
- return label;
- },
- // Function to format an individual tick mark
- tickFormatFunction: function tickFormatFunction(tick, index, ticks) {
- var formattedTick = tick.format(this.displayFormat);
-
- if (this.options.ticks.userCallback) {
- return this.options.ticks.userCallback(formattedTick, index, ticks);
- } else {
- return formattedTick;
- }
- },
- convertTicksToLabels: function() {
- this.ticks = this.ticks.map(this.tickFormatFunction, this);
- },
- getPixelForValue: function(value, index, datasetIndex, includeOffset) {
- var labelMoment = this.getLabelMoment(datasetIndex, index);
-
- if (labelMoment) {
- var offset = labelMoment.diff(this.firstTick, this.tickUnit, true);
-
- var decimal = offset / this.scaleSizeInUnits;
-
- if (this.isHorizontal()) {
- var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
- var valueWidth = innerWidth / Math.max(this.ticks.length - 1, 1);
- var valueOffset = (innerWidth * decimal) + this.paddingLeft;
-
- return this.left + Math.round(valueOffset);
- } else {
- var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
- var valueHeight = innerHeight / Math.max(this.ticks.length - 1, 1);
- var heightOffset = (innerHeight * decimal) + this.paddingTop;
-
- return this.top + Math.round(heightOffset);
- }
- }
- },
- parseTime: function(label) {
- if (typeof this.options.time.parser === 'string') {
- return moment(label, this.options.time.parser);
- }
- if (typeof this.options.time.parser === 'function') {
- return this.options.time.parser(label);
- }
- // Date objects
- if (typeof label.getMonth === 'function' || typeof label === 'number') {
- return moment(label);
- }
- // Moment support
- if (label.isValid && label.isValid()) {
- return label;
- }
- // Custom parsing (return an instance of moment)
- if (typeof this.options.time.format !== 'string' && this.options.time.format.call) {
- console.warn("options.time.format is deprecated and replaced by options.time.parser. See http://nnnick.github.io/Chart.js/docs-v2/#scales-time-scale");
- return this.options.time.format(label);
- }
- // Moment format parsing
- return moment(label, this.options.time.format);
- }
- });
- Chart.scaleService.registerScaleType("time", TimeScale, defaultConfig);
-
-};
-
-},{"moment":1}]},{},[7]);
+++ /dev/null
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projects / thirdparty / bulma.git / commitdiff
