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/*! * Material Design for Bootstrap 4 * Version: MDB FREE: 4.8.2 * * * Copyright: Material Design for Bootstrap * https://mdbootstrap.com/ * * Read the license: https://mdbootstrap.com/general/license/ * * * Documentation: https://mdbootstrap.com/ * * Getting started: https://mdbootstrap.com/docs/jquery/getting-started/download/ * * Tutorials: https://mdbootstrap.com/education/bootstrap/ * * Templates: https://mdbootstrap.com/templates/ * * Support: https://mdbootstrap.com/forums/forum/support/ * * Contact: office@mdbootstrap.com * * Attribution: Animate CSS, Twitter Bootstrap, Materialize CSS, Normalize CSS, Waves JS, WOW JS, Toastr, Chart.jss * */ /* jquery.easing.js velocity.min.js chart.js wow.js scrolling-navbar.js waves.js forms-free.js enhanced-modals.js treeview.js */ /* * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/ * * Uses the built in easing capabilities added In jQuery 1.1 * to offer multiple easing options * * TERMS OF USE - jQuery Easing * * Open source under the BSD License. * * Copyright © 2008 George McGinley Smith * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the author nor the names of contributors may be used to endorse * or promote products derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * */ // t: current time, b: begInnIng value, c: change In value, d: duration jQuery.easing['jswing'] = jQuery.easing['swing']; jQuery.extend( jQuery.easing, { def: 'easeOutQuad', swing: function (x, t, b, c, d) { //alert(jQuery.easing.default); return jQuery.easing[jQuery.easing.def](x, t, b, c, d); }, easeInQuad: function (x, t, b, c, d) { return c*(t/=d)*t + b; }, easeOutQuad: function (x, t, b, c, d) { return -c *(t/=d)*(t-2) + b; }, easeInOutQuad: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t + b; return -c/2 * ((--t)*(t-2) - 1) + b; }, easeInCubic: function (x, t, b, c, d) { return c*(t/=d)*t*t + b; }, easeOutCubic: function (x, t, b, c, d) { return c*((t=t/d-1)*t*t + 1) + b; }, easeInOutCubic: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t + b; return c/2*((t-=2)*t*t + 2) + b; }, easeInQuart: function (x, t, b, c, d) { return c*(t/=d)*t*t*t + b; }, easeOutQuart: function (x, t, b, c, d) { return -c * ((t=t/d-1)*t*t*t - 1) + b; }, easeInOutQuart: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t*t + b; return -c/2 * ((t-=2)*t*t*t - 2) + b; }, easeInQuint: function (x, t, b, c, d) { return c*(t/=d)*t*t*t*t + b; }, easeOutQuint: function (x, t, b, c, d) { return c*((t=t/d-1)*t*t*t*t + 1) + b; }, easeInOutQuint: function (x, t, b, c, d) { if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b; return c/2*((t-=2)*t*t*t*t + 2) + b; }, easeInSine: function (x, t, b, c, d) { return -c * Math.cos(t/d * (Math.PI/2)) + c + b; }, easeOutSine: function (x, t, b, c, d) { return c * Math.sin(t/d * (Math.PI/2)) + b; }, easeInOutSine: function (x, t, b, c, d) { return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b; }, easeInExpo: function (x, t, b, c, d) { return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b; }, easeOutExpo: function (x, t, b, c, d) { return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b; }, easeInOutExpo: function (x, t, b, c, d) { if (t==0) return b; if (t==d) return b+c; if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b; return c/2 * (-Math.pow(2, -10 * --t) + 2) + b; }, easeInCirc: function (x, t, b, c, d) { return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b; }, easeOutCirc: function (x, t, b, c, d) { return c * Math.sqrt(1 - (t=t/d-1)*t) + b; }, easeInOutCirc: function (x, t, b, c, d) { if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b; return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b; }, easeInElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; }, easeOutElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d)==1) return b+c; if (!p) p=d*.3; if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b; }, easeInOutElastic: function (x, t, b, c, d) { var s=1.70158;var p=0;var a=c; if (t==0) return b; if ((t/=d/2)==2) return b+c; if (!p) p=d*(.3*1.5); if (a < Math.abs(c)) { a=c; var s=p/4; } else var s = p/(2*Math.PI) * Math.asin (c/a); if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b; return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b; }, easeInBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; return c*(t/=d)*t*((s+1)*t - s) + b; }, easeOutBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b; }, easeInOutBack: function (x, t, b, c, d, s) { if (s == undefined) s = 1.70158; if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b; return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b; }, easeInBounce: function (x, t, b, c, d) { return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b; }, easeOutBounce: function (x, t, b, c, d) { if ((t/=d) < (1/2.75)) { return c*(7.5625*t*t) + b; } else if (t < (2/2.75)) { return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b; } else if (t < (2.5/2.75)) { return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b; } else { return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b; } }, easeInOutBounce: function (x, t, b, c, d) { if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b; return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b; } }); /* * * TERMS OF USE - EASING EQUATIONS * * Open source under the BSD License. * * Copyright © 2001 Robert Penner * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * Redistributions of source code must retain the above copyright notice, this list of * conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list * of conditions and the following disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the author nor the names of contributors may be used to endorse * or promote products derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED * OF THE POSSIBILITY OF SUCH DAMAGE. * */ /*! VelocityJS.org (1.2.3). (C) 2014 Julian Shapiro. MIT @license: en.wikipedia.org/wiki/MIT_License */ /*! VelocityJS.org jQuery Shim (1.0.1). (C) 2014 The jQuery Foundation. MIT @license: en.wikipedia.org/wiki/MIT_License. */ /*! Note that this has been modified by Materialize to confirm that Velocity is not already being imported. */ jQuery.Velocity?console.log("Velocity is already loaded. 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P,C,T,F=/^x$/i.test(s.axis)?"Left":"Top",j=parseFloat(s.offset)||0;s.container?m.isWrapped(s.container)||m.isNode(s.container)?(s.container=s.container[0]||s.container,P=s.container["scroll"+F],T=P+f(o).position()[F.toLowerCase()]+j):s.container=null:(P=b.State.scrollAnchor[b.State["scrollProperty"+F]],C=b.State.scrollAnchor[b.State["scrollProperty"+("Left"===F?"Top":"Left")]],T=f(o).offset()[F.toLowerCase()]+j),l={scroll:{rootPropertyValue:!1,startValue:P,currentValue:P,endValue:T,unitType:"",easing:s.easing,scrollData:{container:s.container,direction:F,alternateValue:C}},element:o},b.debug&&console.log("tweensContainer (scroll): ",l.scroll,o)}else if("reverse"===A){if(!i(o).tweensContainer)return void f.dequeue(o,s.queue);"none"===i(o).opts.display&&(i(o).opts.display="auto"),"hidden"===i(o).opts.visibility&&(i(o).opts.visibility="visible"),i(o).opts.loop=!1,i(o).opts.begin=null,i(o).opts.complete=null,v.easing||delete s.easing,v.duration||delete 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1 : alpha, 0, 1); return [h, s, l, a]; } } function getHwb(string) { if (!string) { return; } var hwb = /^hwb\(\s*([+-]?\d+)(?:deg)?\s*,\s*([+-]?[\d\.]+)%\s*,\s*([+-]?[\d\.]+)%\s*(?:,\s*([+-]?[\d\.]+)\s*)?\)/; var match = string.match(hwb); if (match) { var alpha = parseFloat(match[4]); var h = scale(parseInt(match[1]), 0, 360), w = scale(parseFloat(match[2]), 0, 100), b = scale(parseFloat(match[3]), 0, 100), a = scale(isNaN(alpha) ? 1 : alpha, 0, 1); return [h, w, b, a]; } } function getRgb(string) { var rgba = getRgba(string); return rgba && rgba.slice(0, 3); } function getHsl(string) { var hsla = getHsla(string); return hsla && hsla.slice(0, 3); } function getAlpha(string) { var vals = getRgba(string); if (vals) { return vals[3]; } else if (vals = getHsla(string)) { return vals[3]; } else if (vals = getHwb(string)) { return vals[3]; } } // generators function hexString(rgb) { return "#" + hexDouble(rgb[0]) + hexDouble(rgb[1]) + hexDouble(rgb[2]); } function rgbString(rgba, alpha) { if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { return rgbaString(rgba, alpha); } return "rgb(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ")"; } function rgbaString(rgba, alpha) { if (alpha === undefined) { alpha = (rgba[3] !== undefined ? rgba[3] : 1); } return "rgba(" + rgba[0] + ", " + rgba[1] + ", " + rgba[2] + ", " + alpha + ")"; } function percentString(rgba, alpha) { if (alpha < 1 || (rgba[3] && rgba[3] < 1)) { return percentaString(rgba, alpha); } var r = Math.round(rgba[0]/255 * 100), g = Math.round(rgba[1]/255 * 100), b = Math.round(rgba[2]/255 * 100); return "rgb(" + r + "%, " + g + "%, " + b + "%)"; } function percentaString(rgba, alpha) { var r = Math.round(rgba[0]/255 * 100), g = Math.round(rgba[1]/255 * 100), b = Math.round(rgba[2]/255 * 100); return "rgba(" + r + "%, " + g + "%, " + b + "%, " + (alpha || rgba[3] || 1) + ")"; } function hslString(hsla, alpha) { if (alpha < 1 || (hsla[3] && hsla[3] < 1)) { return hslaString(hsla, alpha); } return "hsl(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%)"; } function hslaString(hsla, alpha) { if (alpha === undefined) { alpha = (hsla[3] !== undefined ? hsla[3] : 1); } return "hsla(" + hsla[0] + ", " + hsla[1] + "%, " + hsla[2] + "%, " + alpha + ")"; } // hwb is a bit different than rgb(a) & hsl(a) since there is no alpha specific syntax // (hwb have alpha optional & 1 is default value) function hwbString(hwb, alpha) { if (alpha === undefined) { alpha = (hwb[3] !== undefined ? hwb[3] : 1); } return "hwb(" + hwb[0] + ", " + hwb[1] + "%, " + hwb[2] + "%" + (alpha !== undefined && alpha !== 1 ? ", " + alpha : "") + ")"; } function keyword(rgb) { return reverseNames[rgb.slice(0, 3)]; } // helpers function scale(num, min, max) { return Math.min(Math.max(min, num), max); } function hexDouble(num) { var str = num.toString(16).toUpperCase(); return (str.length < 2) ? "0" + str : str; } //create a list of reverse color names var reverseNames = {}; for (var name in colorNames) { reverseNames[colorNames[name]] = name; } },{"6":6}],3:[function(require,module,exports){ /* MIT license */ var convert = require(5); var string = require(2); var Color = function (obj) { if (obj instanceof Color) { return obj; } if (!(this instanceof Color)) { return new Color(obj); } this.valid = false; this.values = { rgb: [0, 0, 0], hsl: [0, 0, 0], hsv: [0, 0, 0], hwb: [0, 0, 0], cmyk: [0, 0, 0, 0], alpha: 1 }; // parse Color() argument var vals; if (typeof obj === 'string') { vals = string.getRgba(obj); if (vals) { this.setValues('rgb', vals); } else if (vals = string.getHsla(obj)) { this.setValues('hsl', vals); } else if (vals = string.getHwb(obj)) { this.setValues('hwb', vals); } } else if (typeof obj === 'object') { vals = obj; if (vals.r !== undefined || vals.red !== undefined) { this.setValues('rgb', vals); } else if (vals.l !== undefined || vals.lightness !== undefined) { this.setValues('hsl', vals); } else if (vals.v !== undefined || vals.value !== undefined) { this.setValues('hsv', vals); } else if (vals.w !== undefined || vals.whiteness !== undefined) { this.setValues('hwb', vals); } else if (vals.c !== undefined || vals.cyan !== undefined) { this.setValues('cmyk', vals); } } }; Color.prototype = { isValid: function () { return this.valid; }, rgb: function () { return this.setSpace('rgb', arguments); }, hsl: function () { return this.setSpace('hsl', arguments); }, hsv: function () { return this.setSpace('hsv', arguments); }, hwb: function () { return this.setSpace('hwb', arguments); }, cmyk: function () { return this.setSpace('cmyk', arguments); }, rgbArray: function () { return this.values.rgb; }, hslArray: function () { return this.values.hsl; }, hsvArray: function () { return this.values.hsv; }, hwbArray: function () { var values = this.values; if (values.alpha !== 1) { return values.hwb.concat([values.alpha]); } return values.hwb; }, cmykArray: function () { return this.values.cmyk; }, rgbaArray: function () { var values = this.values; return values.rgb.concat([values.alpha]); }, hslaArray: function () { var values = this.values; return values.hsl.concat([values.alpha]); }, alpha: function (val) { if (val === undefined) { return this.values.alpha; } this.setValues('alpha', val); return this; }, red: function (val) { return this.setChannel('rgb', 0, val); }, green: function (val) { return this.setChannel('rgb', 1, val); }, blue: function (val) { return this.setChannel('rgb', 2, val); }, hue: function (val) { if (val) { val %= 360; val = val < 0 ? 360 + val : val; } return this.setChannel('hsl', 0, val); }, saturation: function (val) { return this.setChannel('hsl', 1, val); }, lightness: function (val) { return this.setChannel('hsl', 2, val); }, saturationv: function (val) { return this.setChannel('hsv', 1, val); }, whiteness: function (val) { return this.setChannel('hwb', 1, val); }, blackness: function (val) { return this.setChannel('hwb', 2, val); }, value: function (val) { return this.setChannel('hsv', 2, val); }, cyan: function (val) { return this.setChannel('cmyk', 0, val); }, magenta: function (val) { return this.setChannel('cmyk', 1, val); }, yellow: function (val) { return this.setChannel('cmyk', 2, val); }, black: function (val) { return this.setChannel('cmyk', 3, val); }, hexString: function () { return string.hexString(this.values.rgb); }, rgbString: function () { return string.rgbString(this.values.rgb, this.values.alpha); }, rgbaString: function () { return string.rgbaString(this.values.rgb, this.values.alpha); }, percentString: function () { return string.percentString(this.values.rgb, this.values.alpha); }, hslString: function () { return string.hslString(this.values.hsl, this.values.alpha); }, hslaString: function () { return string.hslaString(this.values.hsl, this.values.alpha); }, hwbString: function () { return string.hwbString(this.values.hwb, this.values.alpha); }, keyword: function () { return string.keyword(this.values.rgb, this.values.alpha); }, rgbNumber: function () { var rgb = this.values.rgb; return (rgb[0] << 16) | (rgb[1] << 8) | rgb[2]; }, luminosity: function () { // http://www.w3.org/TR/WCAG20/#relativeluminancedef var rgb = this.values.rgb; var lum = []; for (var i = 0; i < rgb.length; i++) { var chan = rgb[i] / 255; lum[i] = (chan <= 0.03928) ? chan / 12.92 : Math.pow(((chan + 0.055) / 1.055), 2.4); } return 0.2126 * lum[0] + 0.7152 * lum[1] + 0.0722 * lum[2]; }, contrast: function (color2) { // http://www.w3.org/TR/WCAG20/#contrast-ratiodef var lum1 = this.luminosity(); var lum2 = color2.luminosity(); if (lum1 > lum2) { return (lum1 + 0.05) / (lum2 + 0.05); } return (lum2 + 0.05) / (lum1 + 0.05); }, level: function (color2) { var contrastRatio = this.contrast(color2); if (contrastRatio >= 7.1) { return 'AAA'; } return (contrastRatio >= 4.5) ? 'AA' : ''; }, dark: function () { // YIQ equation from http://24ways.org/2010/calculating-color-contrast var rgb = this.values.rgb; var yiq = (rgb[0] * 299 + rgb[1] * 587 + rgb[2] * 114) / 1000; return yiq < 128; }, light: function () { return !this.dark(); }, negate: function () { var rgb = []; for (var i = 0; i < 3; i++) { rgb[i] = 255 - this.values.rgb[i]; } this.setValues('rgb', rgb); return this; }, lighten: function (ratio) { var hsl = this.values.hsl; hsl[2] += hsl[2] * ratio; this.setValues('hsl', hsl); return this; }, darken: function (ratio) { var hsl = this.values.hsl; hsl[2] -= hsl[2] * ratio; this.setValues('hsl', hsl); return this; }, saturate: function (ratio) { var hsl = this.values.hsl; hsl[1] += hsl[1] * ratio; this.setValues('hsl', hsl); return this; }, desaturate: function (ratio) { var hsl = this.values.hsl; hsl[1] -= hsl[1] * ratio; this.setValues('hsl', hsl); return this; }, whiten: function (ratio) { var hwb = this.values.hwb; hwb[1] += hwb[1] * ratio; this.setValues('hwb', hwb); return this; }, blacken: function (ratio) { var hwb = this.values.hwb; hwb[2] += hwb[2] * ratio; this.setValues('hwb', hwb); return this; }, greyscale: function () { var rgb = this.values.rgb; // http://en.wikipedia.org/wiki/Grayscale#Converting_color_to_grayscale var val = rgb[0] * 0.3 + rgb[1] * 0.59 + rgb[2] * 0.11; this.setValues('rgb', [val, val, val]); return this; }, clearer: function (ratio) { var alpha = this.values.alpha; this.setValues('alpha', alpha - (alpha * ratio)); return this; }, opaquer: function (ratio) { var alpha = this.values.alpha; this.setValues('alpha', alpha + (alpha * ratio)); return this; }, rotate: function (degrees) { var hsl = this.values.hsl; var hue = (hsl[0] + degrees) % 360; hsl[0] = hue < 0 ? 360 + hue : hue; this.setValues('hsl', hsl); return this; }, /** * Ported from sass implementation in C * https://github.com/sass/libsass/blob/0e6b4a2850092356aa3ece07c6b249f0221caced/functions.cpp#L209 */ mix: function (mixinColor, weight) { var color1 = this; var color2 = mixinColor; var p = weight === undefined ? 0.5 : weight; var w = 2 * p - 1; var a = color1.alpha() - color2.alpha(); var w1 = (((w * a === -1) ? w : (w + a) / (1 + w * a)) + 1) / 2.0; var w2 = 1 - w1; return this .rgb( w1 * color1.red() + w2 * color2.red(), w1 * color1.green() + w2 * color2.green(), w1 * color1.blue() + w2 * color2.blue() ) .alpha(color1.alpha() * p + color2.alpha() * (1 - p)); }, toJSON: function () { return this.rgb(); }, clone: function () { // NOTE(SB): using node-clone creates a dependency to Buffer when using browserify, // making the final build way to big to embed in Chart.js. So let's do it manually, // assuming that values to clone are 1 dimension arrays containing only numbers, // except 'alpha' which is a number. var result = new Color(); var source = this.values; var target = result.values; var value, type; for (var prop in source) { if (source.hasOwnProperty(prop)) { value = source[prop]; type = ({}).toString.call(value); if (type === '[object Array]') { target[prop] = value.slice(0); } else if (type === '[object Number]') { target[prop] = value; } else { console.error('unexpected color value:', value); } } } return result; } }; Color.prototype.spaces = { rgb: ['red', 'green', 'blue'], hsl: ['hue', 'saturation', 'lightness'], hsv: ['hue', 'saturation', 'value'], hwb: ['hue', 'whiteness', 'blackness'], cmyk: ['cyan', 'magenta', 'yellow', 'black'] }; Color.prototype.maxes = { rgb: [255, 255, 255], hsl: [360, 100, 100], hsv: [360, 100, 100], hwb: [360, 100, 100], cmyk: [100, 100, 100, 100] }; Color.prototype.getValues = function (space) { var values = this.values; var vals = {}; for (var i = 0; i < space.length; i++) { vals[space.charAt(i)] = values[space][i]; } if (values.alpha !== 1) { vals.a = values.alpha; } // {r: 255, g: 255, b: 255, a: 0.4} return vals; }; Color.prototype.setValues = function (space, vals) { var values = this.values; var spaces = this.spaces; var maxes = this.maxes; var alpha = 1; var i; this.valid = true; if (space === 'alpha') { alpha = vals; } else if (vals.length) { // [10, 10, 10] values[space] = vals.slice(0, space.length); alpha = vals[space.length]; } else if (vals[space.charAt(0)] !== undefined) { // {r: 10, g: 10, b: 10} for (i = 0; i < space.length; i++) { values[space][i] = vals[space.charAt(i)]; } alpha = vals.a; } else if (vals[spaces[space][0]] !== undefined) { // {red: 10, green: 10, blue: 10} var chans = spaces[space]; for (i = 0; i < space.length; i++) { values[space][i] = vals[chans[i]]; } alpha = vals.alpha; } values.alpha = Math.max(0, Math.min(1, (alpha === undefined ? values.alpha : alpha))); if (space === 'alpha') { return false; } var capped; // cap values of the space prior converting all values for (i = 0; i < space.length; i++) { capped = Math.max(0, Math.min(maxes[space][i], values[space][i])); values[space][i] = Math.round(capped); } // convert to all the other color spaces for (var sname in spaces) { if (sname !== space) { values[sname] = convert[space][sname](values[space]); } } return true; }; Color.prototype.setSpace = function (space, args) { var vals = args[0]; if (vals === undefined) { // color.rgb() return this.getValues(space); } // color.rgb(10, 10, 10) if (typeof vals === 'number') { vals = Array.prototype.slice.call(args); } this.setValues(space, vals); return this; }; Color.prototype.setChannel = function (space, index, val) { var svalues = this.values[space]; if (val === undefined) { // color.red() return svalues[index]; } else if (val === svalues[index]) { // color.red(color.red()) return this; } // color.red(100) svalues[index] = val; this.setValues(space, svalues); return this; }; if (typeof window !== 'undefined') { window.Color = Color; } module.exports = Color; },{"2":2,"5":5}],4:[function(require,module,exports){ /* MIT license */ module.exports = { rgb2hsl: rgb2hsl, rgb2hsv: rgb2hsv, rgb2hwb: rgb2hwb, rgb2cmyk: rgb2cmyk, rgb2keyword: rgb2keyword, rgb2xyz: rgb2xyz, rgb2lab: rgb2lab, rgb2lch: rgb2lch, hsl2rgb: hsl2rgb, hsl2hsv: hsl2hsv, hsl2hwb: hsl2hwb, hsl2cmyk: hsl2cmyk, hsl2keyword: hsl2keyword, hsv2rgb: hsv2rgb, hsv2hsl: hsv2hsl, hsv2hwb: hsv2hwb, hsv2cmyk: hsv2cmyk, hsv2keyword: hsv2keyword, hwb2rgb: hwb2rgb, hwb2hsl: hwb2hsl, hwb2hsv: hwb2hsv, hwb2cmyk: hwb2cmyk, hwb2keyword: hwb2keyword, cmyk2rgb: cmyk2rgb, cmyk2hsl: cmyk2hsl, cmyk2hsv: cmyk2hsv, cmyk2hwb: cmyk2hwb, cmyk2keyword: cmyk2keyword, keyword2rgb: keyword2rgb, keyword2hsl: keyword2hsl, keyword2hsv: keyword2hsv, keyword2hwb: keyword2hwb, keyword2cmyk: keyword2cmyk, keyword2lab: keyword2lab, keyword2xyz: keyword2xyz, xyz2rgb: xyz2rgb, xyz2lab: xyz2lab, xyz2lch: xyz2lch, lab2xyz: lab2xyz, lab2rgb: lab2rgb, lab2lch: lab2lch, lch2lab: lch2lab, lch2xyz: lch2xyz, lch2rgb: lch2rgb } function rgb2hsl(rgb) { var r = rgb[0]/255, g = rgb[1]/255, b = rgb[2]/255, min = Math.min(r, g, b), max = Math.max(r, g, b), delta = max - min, h, s, l; if (max == min) h = 0; else if (r == max) h = (g - b) / delta; else if (g == max) h = 2 + (b - r) / delta; else if (b == max) h = 4 + (r - g)/ delta; h = Math.min(h * 60, 360); if (h < 0) h += 360; l = (min + max) / 2; if (max == min) s = 0; else if (l <= 0.5) s = delta / (max + min); else s = delta / (2 - max - min); return [h, s * 100, l * 100]; } function rgb2hsv(rgb) { var r = rgb[0], g = rgb[1], b = rgb[2], min = Math.min(r, g, b), max = Math.max(r, g, b), delta = max - min, h, s, v; if (max == 0) s = 0; else s = (delta/max * 1000)/10; if (max == min) h = 0; else if (r == max) h = (g - b) / delta; else if (g == max) h = 2 + (b - r) / delta; else if (b == max) h = 4 + (r - g) / delta; h = Math.min(h * 60, 360); if (h < 0) h += 360; v = ((max / 255) * 1000) / 10; return [h, s, v]; } function rgb2hwb(rgb) { var r = rgb[0], g = rgb[1], b = rgb[2], h = rgb2hsl(rgb)[0], w = 1/255 * Math.min(r, Math.min(g, b)), b = 1 - 1/255 * Math.max(r, Math.max(g, b)); return [h, w * 100, b * 100]; } function rgb2cmyk(rgb) { var r = rgb[0] / 255, g = rgb[1] / 255, b = rgb[2] / 255, c, m, y, k; k = Math.min(1 - r, 1 - g, 1 - b); c = (1 - r - k) / (1 - k) || 0; m = (1 - g - k) / (1 - k) || 0; y = (1 - b - k) / (1 - k) || 0; return [c * 100, m * 100, y * 100, k * 100]; } function rgb2keyword(rgb) { return reverseKeywords[JSON.stringify(rgb)]; } function rgb2xyz(rgb) { var r = rgb[0] / 255, g = rgb[1] / 255, b = rgb[2] / 255; // assume sRGB r = r > 0.04045 ? Math.pow(((r + 0.055) / 1.055), 2.4) : (r / 12.92); g = g > 0.04045 ? Math.pow(((g + 0.055) / 1.055), 2.4) : (g / 12.92); b = b > 0.04045 ? Math.pow(((b + 0.055) / 1.055), 2.4) : (b / 12.92); var x = (r * 0.4124) + (g * 0.3576) + (b * 0.1805); var y = (r * 0.2126) + (g * 0.7152) + (b * 0.0722); var z = (r * 0.0193) + (g * 0.1192) + (b * 0.9505); return [x * 100, y *100, z * 100]; } function rgb2lab(rgb) { var xyz = rgb2xyz(rgb), x = xyz[0], y = xyz[1], z = xyz[2], l, a, b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; } function rgb2lch(args) { return lab2lch(rgb2lab(args)); } function hsl2rgb(hsl) { var h = hsl[0] / 360, s = hsl[1] / 100, l = hsl[2] / 100, t1, t2, t3, rgb, val; if (s == 0) { val = l * 255; return [val, val, val]; } if (l < 0.5) t2 = l * (1 + s); else t2 = l + s - l * s; t1 = 2 * l - t2; rgb = [0, 0, 0]; for (var i = 0; i < 3; i++) { t3 = h + 1 / 3 * - (i - 1); t3 < 0 && t3++; t3 > 1 && t3--; if (6 * t3 < 1) val = t1 + (t2 - t1) * 6 * t3; else if (2 * t3 < 1) val = t2; else if (3 * t3 < 2) val = t1 + (t2 - t1) * (2 / 3 - t3) * 6; else val = t1; rgb[i] = val * 255; } return rgb; } function hsl2hsv(hsl) { var h = hsl[0], s = hsl[1] / 100, l = hsl[2] / 100, sv, v; if(l === 0) { // no need to do calc on black // also avoids divide by 0 error return [0, 0, 0]; } l *= 2; s *= (l <= 1) ? l : 2 - l; v = (l + s) / 2; sv = (2 * s) / (l + s); return [h, sv * 100, v * 100]; } function hsl2hwb(args) { return rgb2hwb(hsl2rgb(args)); } function hsl2cmyk(args) { return rgb2cmyk(hsl2rgb(args)); } function hsl2keyword(args) { return rgb2keyword(hsl2rgb(args)); } function hsv2rgb(hsv) { var h = hsv[0] / 60, s = hsv[1] / 100, v = hsv[2] / 100, hi = Math.floor(h) % 6; var f = h - Math.floor(h), p = 255 * v * (1 - s), q = 255 * v * (1 - (s * f)), t = 255 * v * (1 - (s * (1 - f))), v = 255 * v; switch(hi) { case 0: return [v, t, p]; case 1: return [q, v, p]; case 2: return [p, v, t]; case 3: return [p, q, v]; case 4: return [t, p, v]; case 5: return [v, p, q]; } } function hsv2hsl(hsv) { var h = hsv[0], s = hsv[1] / 100, v = hsv[2] / 100, sl, l; l = (2 - s) * v; sl = s * v; sl /= (l <= 1) ? l : 2 - l; sl = sl || 0; l /= 2; return [h, sl * 100, l * 100]; } function hsv2hwb(args) { return rgb2hwb(hsv2rgb(args)) } function hsv2cmyk(args) { return rgb2cmyk(hsv2rgb(args)); } function hsv2keyword(args) { return rgb2keyword(hsv2rgb(args)); } // http://dev.w3.org/csswg/css-color/#hwb-to-rgb function hwb2rgb(hwb) { var h = hwb[0] / 360, wh = hwb[1] / 100, bl = hwb[2] / 100, ratio = wh + bl, i, v, f, n; // wh + bl cant be > 1 if (ratio > 1) { wh /= ratio; bl /= ratio; } i = Math.floor(6 * h); v = 1 - bl; f = 6 * h - i; if ((i & 0x01) != 0) { f = 1 - f; } n = wh + f * (v - wh); // linear interpolation switch (i) { default: case 6: case 0: r = v; g = n; b = wh; break; case 1: r = n; g = v; b = wh; break; case 2: r = wh; g = v; b = n; break; case 3: r = wh; g = n; b = v; break; case 4: r = n; g = wh; b = v; break; case 5: r = v; g = wh; b = n; break; } return [r * 255, g * 255, b * 255]; } function hwb2hsl(args) { return rgb2hsl(hwb2rgb(args)); } function hwb2hsv(args) { return rgb2hsv(hwb2rgb(args)); } function hwb2cmyk(args) { return rgb2cmyk(hwb2rgb(args)); } function hwb2keyword(args) { return rgb2keyword(hwb2rgb(args)); } function cmyk2rgb(cmyk) { var c = cmyk[0] / 100, m = cmyk[1] / 100, y = cmyk[2] / 100, k = cmyk[3] / 100, r, g, b; r = 1 - Math.min(1, c * (1 - k) + k); g = 1 - Math.min(1, m * (1 - k) + k); b = 1 - Math.min(1, y * (1 - k) + k); return [r * 255, g * 255, b * 255]; } function cmyk2hsl(args) { return rgb2hsl(cmyk2rgb(args)); } function cmyk2hsv(args) { return rgb2hsv(cmyk2rgb(args)); } function cmyk2hwb(args) { return rgb2hwb(cmyk2rgb(args)); } function cmyk2keyword(args) { return rgb2keyword(cmyk2rgb(args)); } function xyz2rgb(xyz) { var x = xyz[0] / 100, y = xyz[1] / 100, z = xyz[2] / 100, r, g, b; r = (x * 3.2406) + (y * -1.5372) + (z * -0.4986); g = (x * -0.9689) + (y * 1.8758) + (z * 0.0415); b = (x * 0.0557) + (y * -0.2040) + (z * 1.0570); // assume sRGB r = r > 0.0031308 ? ((1.055 * Math.pow(r, 1.0 / 2.4)) - 0.055) : r = (r * 12.92); g = g > 0.0031308 ? ((1.055 * Math.pow(g, 1.0 / 2.4)) - 0.055) : g = (g * 12.92); b = b > 0.0031308 ? ((1.055 * Math.pow(b, 1.0 / 2.4)) - 0.055) : b = (b * 12.92); r = Math.min(Math.max(0, r), 1); g = Math.min(Math.max(0, g), 1); b = Math.min(Math.max(0, b), 1); return [r * 255, g * 255, b * 255]; } function xyz2lab(xyz) { var x = xyz[0], y = xyz[1], z = xyz[2], l, a, b; x /= 95.047; y /= 100; z /= 108.883; x = x > 0.008856 ? Math.pow(x, 1/3) : (7.787 * x) + (16 / 116); y = y > 0.008856 ? Math.pow(y, 1/3) : (7.787 * y) + (16 / 116); z = z > 0.008856 ? Math.pow(z, 1/3) : (7.787 * z) + (16 / 116); l = (116 * y) - 16; a = 500 * (x - y); b = 200 * (y - z); return [l, a, b]; } function xyz2lch(args) { return lab2lch(xyz2lab(args)); } function lab2xyz(lab) { var l = lab[0], a = lab[1], b = lab[2], x, y, z, y2; if (l <= 8) { y = (l * 100) / 903.3; y2 = (7.787 * (y / 100)) + (16 / 116); } else { y = 100 * Math.pow((l + 16) / 116, 3); y2 = Math.pow(y / 100, 1/3); } x = x / 95.047 <= 0.008856 ? x = (95.047 * ((a / 500) + y2 - (16 / 116))) / 7.787 : 95.047 * Math.pow((a / 500) + y2, 3); z = z / 108.883 <= 0.008859 ? z = (108.883 * (y2 - (b / 200) - (16 / 116))) / 7.787 : 108.883 * Math.pow(y2 - (b / 200), 3); return [x, y, z]; } function lab2lch(lab) { var l = lab[0], a = lab[1], b = lab[2], hr, h, c; hr = Math.atan2(b, a); h = hr * 360 / 2 / Math.PI; if (h < 0) { h += 360; } c = Math.sqrt(a * a + b * b); return [l, c, h]; } function lab2rgb(args) { return xyz2rgb(lab2xyz(args)); } function lch2lab(lch) { var l = lch[0], c = lch[1], h = lch[2], a, b, hr; hr = h / 360 * 2 * Math.PI; a = c * Math.cos(hr); b = c * Math.sin(hr); return [l, a, b]; } function lch2xyz(args) { return lab2xyz(lch2lab(args)); } function lch2rgb(args) { return lab2rgb(lch2lab(args)); } function keyword2rgb(keyword) { return cssKeywords[keyword]; } function keyword2hsl(args) { return rgb2hsl(keyword2rgb(args)); } function keyword2hsv(args) { return rgb2hsv(keyword2rgb(args)); } function keyword2hwb(args) { return rgb2hwb(keyword2rgb(args)); } function keyword2cmyk(args) { return rgb2cmyk(keyword2rgb(args)); } function keyword2lab(args) { return rgb2lab(keyword2rgb(args)); } function keyword2xyz(args) { return rgb2xyz(keyword2rgb(args)); } var cssKeywords = { aliceblue: [240,248,255], antiquewhite: [250,235,215], aqua: [0,255,255], aquamarine: [127,255,212], azure: [240,255,255], beige: [245,245,220], bisque: [255,228,196], black: [0,0,0], blanchedalmond: [255,235,205], blue: [0,0,255], blueviolet: [138,43,226], brown: [165,42,42], burlywood: [222,184,135], cadetblue: [95,158,160], chartreuse: [127,255,0], chocolate: [210,105,30], coral: [255,127,80], cornflowerblue: [100,149,237], cornsilk: [255,248,220], crimson: [220,20,60], cyan: [0,255,255], darkblue: [0,0,139], darkcyan: [0,139,139], darkgoldenrod: [184,134,11], darkgray: [169,169,169], darkgreen: [0,100,0], darkgrey: [169,169,169], darkkhaki: [189,183,107], darkmagenta: [139,0,139], darkolivegreen: [85,107,47], darkorange: [255,140,0], darkorchid: [153,50,204], darkred: [139,0,0], darksalmon: [233,150,122], darkseagreen: [143,188,143], darkslateblue: [72,61,139], darkslategray: [47,79,79], darkslategrey: [47,79,79], darkturquoise: [0,206,209], darkviolet: [148,0,211], deeppink: [255,20,147], deepskyblue: [0,191,255], dimgray: [105,105,105], dimgrey: [105,105,105], dodgerblue: [30,144,255], firebrick: [178,34,34], floralwhite: [255,250,240], forestgreen: [34,139,34], fuchsia: [255,0,255], gainsboro: [220,220,220], ghostwhite: [248,248,255], gold: [255,215,0], goldenrod: [218,165,32], gray: [128,128,128], green: [0,128,0], greenyellow: [173,255,47], grey: [128,128,128], honeydew: [240,255,240], hotpink: [255,105,180], indianred: [205,92,92], indigo: [75,0,130], ivory: [255,255,240], khaki: [240,230,140], lavender: [230,230,250], lavenderblush: [255,240,245], lawngreen: [124,252,0], lemonchiffon: [255,250,205], lightblue: [173,216,230], lightcoral: [240,128,128], lightcyan: [224,255,255], lightgoldenrodyellow: [250,250,210], lightgray: [211,211,211], lightgreen: [144,238,144], lightgrey: [211,211,211], lightpink: [255,182,193], lightsalmon: [255,160,122], lightseagreen: [32,178,170], lightskyblue: [135,206,250], lightslategray: [119,136,153], lightslategrey: [119,136,153], lightsteelblue: [176,196,222], lightyellow: [255,255,224], lime: [0,255,0], limegreen: [50,205,50], linen: [250,240,230], magenta: [255,0,255], maroon: [128,0,0], mediumaquamarine: [102,205,170], mediumblue: [0,0,205], mediumorchid: [186,85,211], mediumpurple: [147,112,219], mediumseagreen: [60,179,113], mediumslateblue: [123,104,238], mediumspringgreen: [0,250,154], mediumturquoise: [72,209,204], mediumvioletred: [199,21,133], midnightblue: [25,25,112], mintcream: [245,255,250], mistyrose: [255,228,225], moccasin: [255,228,181], navajowhite: [255,222,173], navy: [0,0,128], oldlace: [253,245,230], olive: [128,128,0], olivedrab: [107,142,35], orange: [255,165,0], orangered: [255,69,0], orchid: [218,112,214], palegoldenrod: [238,232,170], palegreen: [152,251,152], paleturquoise: [175,238,238], palevioletred: [219,112,147], papayawhip: [255,239,213], peachpuff: [255,218,185], peru: [205,133,63], pink: [255,192,203], plum: [221,160,221], powderblue: [176,224,230], purple: [128,0,128], rebeccapurple: [102, 51, 153], red: [255,0,0], rosybrown: [188,143,143], royalblue: [65,105,225], saddlebrown: [139,69,19], salmon: [250,128,114], sandybrown: [244,164,96], seagreen: [46,139,87], seashell: [255,245,238], sienna: [160,82,45], silver: [192,192,192], skyblue: [135,206,235], slateblue: [106,90,205], slategray: [112,128,144], slategrey: [112,128,144], snow: [255,250,250], springgreen: [0,255,127], steelblue: [70,130,180], tan: [210,180,140], teal: [0,128,128], thistle: [216,191,216], tomato: [255,99,71], turquoise: [64,224,208], violet: [238,130,238], wheat: [245,222,179], white: [255,255,255], whitesmoke: [245,245,245], yellow: [255,255,0], yellowgreen: [154,205,50] }; var reverseKeywords = {}; for (var key in cssKeywords) { reverseKeywords[JSON.stringify(cssKeywords[key])] = key; } },{}],5:[function(require,module,exports){ var conversions = require(4); var convert = function() { return new Converter(); } for (var func in conversions) { // export Raw versions convert[func + "Raw"] = (function(func) { // accept array or plain args return function(arg) { if (typeof arg == "number") arg = Array.prototype.slice.call(arguments); return conversions[func](arg); } })(func); var pair = /(\w+)2(\w+)/.exec(func), from = pair[1], to = pair[2]; // export rgb2hsl and ["rgb"]["hsl"] convert[from] = convert[from] || {}; convert[from][to] = convert[func] = (function(func) { return function(arg) { if (typeof arg == "number") arg = Array.prototype.slice.call(arguments); var val = conversions[func](arg); if (typeof val == "string" || val === undefined) return val; // keyword for (var i = 0; i < val.length; i++) val[i] = Math.round(val[i]); return val; } })(func); } /* Converter does lazy conversion and caching */ var Converter = function() { this.convs = {}; }; /* Either get the values for a space or set the values for a space, depending on args */ Converter.prototype.routeSpace = function(space, args) { var values = args[0]; if (values === undefined) { // color.rgb() return this.getValues(space); } // color.rgb(10, 10, 10) if (typeof values == "number") { values = Array.prototype.slice.call(args); } return this.setValues(space, values); }; /* Set the values for a space, invalidating cache */ Converter.prototype.setValues = function(space, values) { this.space = space; this.convs = {}; this.convs[space] = values; return this; }; /* Get the values for a space. If there's already a conversion for the space, fetch it, otherwise compute it */ Converter.prototype.getValues = function(space) { var vals = this.convs[space]; if (!vals) { var fspace = this.space, from = this.convs[fspace]; vals = convert[fspace][space](from); this.convs[space] = vals; } return vals; }; ["rgb", "hsl", "hsv", "cmyk", "keyword"].forEach(function(space) { Converter.prototype[space] = function(vals) { return this.routeSpace(space, arguments); } }); module.exports = convert; },{"4":4}],6:[function(require,module,exports){ 'use strict' module.exports = { "aliceblue": [240, 248, 255], "antiquewhite": [250, 235, 215], "aqua": [0, 255, 255], "aquamarine": [127, 255, 212], "azure": [240, 255, 255], "beige": [245, 245, 220], "bisque": [255, 228, 196], "black": [0, 0, 0], "blanchedalmond": [255, 235, 205], "blue": [0, 0, 255], "blueviolet": [138, 43, 226], "brown": [165, 42, 42], "burlywood": [222, 184, 135], "cadetblue": [95, 158, 160], "chartreuse": [127, 255, 0], "chocolate": [210, 105, 30], "coral": [255, 127, 80], "cornflowerblue": [100, 149, 237], "cornsilk": [255, 248, 220], "crimson": [220, 20, 60], "cyan": [0, 255, 255], "darkblue": [0, 0, 139], "darkcyan": [0, 139, 139], "darkgoldenrod": [184, 134, 11], "darkgray": [169, 169, 169], "darkgreen": [0, 100, 0], "darkgrey": [169, 169, 169], "darkkhaki": [189, 183, 107], "darkmagenta": [139, 0, 139], "darkolivegreen": [85, 107, 47], "darkorange": [255, 140, 0], "darkorchid": [153, 50, 204], "darkred": [139, 0, 0], "darksalmon": [233, 150, 122], "darkseagreen": [143, 188, 143], "darkslateblue": [72, 61, 139], "darkslategray": [47, 79, 79], "darkslategrey": [47, 79, 79], "darkturquoise": [0, 206, 209], "darkviolet": [148, 0, 211], "deeppink": [255, 20, 147], "deepskyblue": [0, 191, 255], "dimgray": [105, 105, 105], "dimgrey": [105, 105, 105], "dodgerblue": [30, 144, 255], "firebrick": [178, 34, 34], "floralwhite": [255, 250, 240], "forestgreen": [34, 139, 34], "fuchsia": [255, 0, 255], "gainsboro": [220, 220, 220], "ghostwhite": [248, 248, 255], "gold": [255, 215, 0], "goldenrod": [218, 165, 32], "gray": [128, 128, 128], "green": [0, 128, 0], "greenyellow": [173, 255, 47], "grey": [128, 128, 128], "honeydew": [240, 255, 240], "hotpink": [255, 105, 180], "indianred": [205, 92, 92], "indigo": [75, 0, 130], "ivory": [255, 255, 240], "khaki": [240, 230, 140], "lavender": [230, 230, 250], "lavenderblush": [255, 240, 245], "lawngreen": [124, 252, 0], "lemonchiffon": [255, 250, 205], "lightblue": [173, 216, 230], "lightcoral": [240, 128, 128], "lightcyan": [224, 255, 255], "lightgoldenrodyellow": [250, 250, 210], "lightgray": [211, 211, 211], "lightgreen": [144, 238, 144], "lightgrey": [211, 211, 211], "lightpink": [255, 182, 193], "lightsalmon": [255, 160, 122], "lightseagreen": [32, 178, 170], "lightskyblue": [135, 206, 250], "lightslategray": [119, 136, 153], "lightslategrey": [119, 136, 153], "lightsteelblue": [176, 196, 222], "lightyellow": [255, 255, 224], "lime": [0, 255, 0], "limegreen": [50, 205, 50], "linen": [250, 240, 230], "magenta": [255, 0, 255], "maroon": [128, 0, 0], "mediumaquamarine": [102, 205, 170], "mediumblue": [0, 0, 205], "mediumorchid": [186, 85, 211], "mediumpurple": [147, 112, 219], "mediumseagreen": [60, 179, 113], "mediumslateblue": [123, 104, 238], "mediumspringgreen": [0, 250, 154], "mediumturquoise": [72, 209, 204], "mediumvioletred": [199, 21, 133], "midnightblue": [25, 25, 112], "mintcream": [245, 255, 250], "mistyrose": [255, 228, 225], "moccasin": [255, 228, 181], "navajowhite": [255, 222, 173], "navy": [0, 0, 128], "oldlace": [253, 245, 230], "olive": [128, 128, 0], "olivedrab": [107, 142, 35], "orange": [255, 165, 0], "orangered": [255, 69, 0], "orchid": [218, 112, 214], "palegoldenrod": [238, 232, 170], "palegreen": [152, 251, 152], "paleturquoise": [175, 238, 238], "palevioletred": [219, 112, 147], "papayawhip": [255, 239, 213], "peachpuff": [255, 218, 185], "peru": [205, 133, 63], "pink": [255, 192, 203], "plum": [221, 160, 221], "powderblue": [176, 224, 230], "purple": [128, 0, 128], "rebeccapurple": [102, 51, 153], "red": [255, 0, 0], "rosybrown": [188, 143, 143], "royalblue": [65, 105, 225], "saddlebrown": [139, 69, 19], "salmon": [250, 128, 114], "sandybrown": [244, 164, 96], "seagreen": [46, 139, 87], "seashell": [255, 245, 238], "sienna": [160, 82, 45], "silver": [192, 192, 192], "skyblue": [135, 206, 235], "slateblue": [106, 90, 205], "slategray": [112, 128, 144], "slategrey": [112, 128, 144], "snow": [255, 250, 250], "springgreen": [0, 255, 127], "steelblue": [70, 130, 180], "tan": [210, 180, 140], "teal": [0, 128, 128], "thistle": [216, 191, 216], "tomato": [255, 99, 71], "turquoise": [64, 224, 208], "violet": [238, 130, 238], "wheat": [245, 222, 179], "white": [255, 255, 255], "whitesmoke": [245, 245, 245], "yellow": [255, 255, 0], "yellowgreen": [154, 205, 50] }; },{}],7:[function(require,module,exports){ /** * @namespace Chart */ var Chart = require(30)(); Chart.helpers = require(46); // @todo dispatch these helpers into appropriated helpers/helpers.* file and write unit tests! require(28)(Chart); Chart.Animation = require(22); Chart.animationService = require(23); Chart.defaults = require(26); Chart.Element = require(27); Chart.elements = require(41); Chart.Interaction = require(29); Chart.layouts = require(31); Chart.platform = require(49); Chart.plugins = require(32); Chart.Scale = require(33); Chart.scaleService = require(34); Chart.Ticks = require(35); Chart.Tooltip = require(36); require(24)(Chart); require(25)(Chart); require(56)(Chart); require(54)(Chart); require(55)(Chart); require(57)(Chart); require(58)(Chart); require(59)(Chart); // Controllers must be loaded after elements // See Chart.core.datasetController.dataElementType require(15)(Chart); require(16)(Chart); require(17)(Chart); require(18)(Chart); require(19)(Chart); require(20)(Chart); require(21)(Chart); require(8)(Chart); require(9)(Chart); require(10)(Chart); require(11)(Chart); require(12)(Chart); require(13)(Chart); require(14)(Chart); // Loading built-in plugins var plugins = require(50); for (var k in plugins) { if (plugins.hasOwnProperty(k)) { Chart.plugins.register(plugins[k]); } } Chart.platform.initialize(); module.exports = Chart; if (typeof window !== 'undefined') { window.Chart = Chart; } // DEPRECATIONS /** * Provided for backward compatibility, not available anymore * @namespace Chart.Legend * @deprecated since version 2.1.5 * @todo remove at version 3 * @private */ Chart.Legend = plugins.legend._element; /** * Provided for backward compatibility, not available anymore * @namespace Chart.Title * @deprecated since version 2.1.5 * @todo remove at version 3 * @private */ Chart.Title = plugins.title._element; /** * Provided for backward compatibility, use Chart.plugins instead * @namespace Chart.pluginService * @deprecated since version 2.1.5 * @todo remove at version 3 * @private */ Chart.pluginService = Chart.plugins; /** * Provided for backward compatibility, inheriting from Chart.PlugingBase has no * effect, instead simply create/register plugins via plain JavaScript objects. * @interface Chart.PluginBase * @deprecated since version 2.5.0 * @todo remove at version 3 * @private */ Chart.PluginBase = Chart.Element.extend({}); /** * Provided for backward compatibility, use Chart.helpers.canvas instead. * @namespace Chart.canvasHelpers * @deprecated since version 2.6.0 * @todo remove at version 3 * @private */ Chart.canvasHelpers = Chart.helpers.canvas; /** * Provided for backward compatibility, use Chart.layouts instead. * @namespace Chart.layoutService * @deprecated since version 2.8.0 * @todo remove at version 3 * @private */ Chart.layoutService = Chart.layouts; },{"10":10,"11":11,"12":12,"13":13,"14":14,"15":15,"16":16,"17":17,"18":18,"19":19,"20":20,"21":21,"22":22,"23":23,"24":24,"25":25,"26":26,"27":27,"28":28,"29":29,"30":30,"31":31,"32":32,"33":33,"34":34,"35":35,"36":36,"41":41,"46":46,"49":49,"50":50,"54":54,"55":55,"56":56,"57":57,"58":58,"59":59,"8":8,"9":9}],8:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Bar = function(context, config) { config.type = 'bar'; return new Chart(context, config); }; }; },{}],9:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Bubble = function(context, config) { config.type = 'bubble'; return new Chart(context, config); }; }; },{}],10:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Doughnut = function(context, config) { config.type = 'doughnut'; return new Chart(context, config); }; }; },{}],11:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Line = function(context, config) { config.type = 'line'; return new Chart(context, config); }; }; },{}],12:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.PolarArea = function(context, config) { config.type = 'polarArea'; return new Chart(context, config); }; }; },{}],13:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Radar = function(context, config) { config.type = 'radar'; return new Chart(context, config); }; }; },{}],14:[function(require,module,exports){ 'use strict'; module.exports = function(Chart) { Chart.Scatter = function(context, config) { config.type = 'scatter'; return new Chart(context, config); }; }; },{}],15:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('bar', { hover: { mode: 'label' }, scales: { xAxes: [{ type: 'category', // Specific to Bar Controller categoryPercentage: 0.8, barPercentage: 0.9, // offset settings offset: true, // grid line settings gridLines: { offsetGridLines: true } }], yAxes: [{ type: 'linear' }] } }); defaults._set('horizontalBar', { hover: { mode: 'index', axis: 'y' }, scales: { xAxes: [{ type: 'linear', position: 'bottom' }], yAxes: [{ position: 'left', type: 'category', // Specific to Horizontal Bar Controller categoryPercentage: 0.8, barPercentage: 0.9, // offset settings offset: true, // grid line settings gridLines: { offsetGridLines: true } }] }, elements: { rectangle: { borderSkipped: 'left' } }, tooltips: { callbacks: { title: function(item, data) { // Pick first xLabel for now var title = ''; if (item.length > 0) { if (item[0].yLabel) { title = item[0].yLabel; } else if (data.labels.length > 0 && item[0].index < data.labels.length) { title = data.labels[item[0].index]; } } return title; }, label: function(item, data) { var datasetLabel = data.datasets[item.datasetIndex].label || ''; return datasetLabel + ': ' + item.xLabel; } }, mode: 'index', axis: 'y' } }); /** * Computes the "optimal" sample size to maintain bars equally sized while preventing overlap. * @private */ function computeMinSampleSize(scale, pixels) { var min = scale.isHorizontal() ? scale.width : scale.height; var ticks = scale.getTicks(); var prev, curr, i, ilen; for (i = 1, ilen = pixels.length; i < ilen; ++i) { min = Math.min(min, pixels[i] - pixels[i - 1]); } for (i = 0, ilen = ticks.length; i < ilen; ++i) { curr = scale.getPixelForTick(i); min = i > 0 ? Math.min(min, curr - prev) : min; prev = curr; } return min; } /** * Computes an "ideal" category based on the absolute bar thickness or, if undefined or null, * uses the smallest interval (see computeMinSampleSize) that prevents bar overlapping. This * mode currently always generates bars equally sized (until we introduce scriptable options?). * @private */ function computeFitCategoryTraits(index, ruler, options) { var thickness = options.barThickness; var count = ruler.stackCount; var curr = ruler.pixels[index]; var size, ratio; if (helpers.isNullOrUndef(thickness)) { size = ruler.min * options.categoryPercentage; ratio = options.barPercentage; } else { // When bar thickness is enforced, category and bar percentages are ignored. // Note(SB): we could add support for relative bar thickness (e.g. barThickness: '50%') // and deprecate barPercentage since this value is ignored when thickness is absolute. size = thickness * count; ratio = 1; } return { chunk: size / count, ratio: ratio, start: curr - (size / 2) }; } /** * Computes an "optimal" category that globally arranges bars side by side (no gap when * percentage options are 1), based on the previous and following categories. This mode * generates bars with different widths when data are not evenly spaced. * @private */ function computeFlexCategoryTraits(index, ruler, options) { var pixels = ruler.pixels; var curr = pixels[index]; var prev = index > 0 ? pixels[index - 1] : null; var next = index < pixels.length - 1 ? pixels[index + 1] : null; var percent = options.categoryPercentage; var start, size; if (prev === null) { // first data: its size is double based on the next point or, // if it's also the last data, we use the scale end extremity. prev = curr - (next === null ? ruler.end - curr : next - curr); } if (next === null) { // last data: its size is also double based on the previous point. next = curr + curr - prev; } start = curr - ((curr - prev) / 2) * percent; size = ((next - prev) / 2) * percent; return { chunk: size / ruler.stackCount, ratio: options.barPercentage, start: start }; } module.exports = function(Chart) { Chart.controllers.bar = Chart.DatasetController.extend({ dataElementType: elements.Rectangle, initialize: function() { var me = this; var meta; Chart.DatasetController.prototype.initialize.apply(me, arguments); meta = me.getMeta(); meta.stack = me.getDataset().stack; meta.bar = true; }, update: function(reset) { var me = this; var rects = me.getMeta().data; var i, ilen; me._ruler = me.getRuler(); for (i = 0, ilen = rects.length; i < ilen; ++i) { me.updateElement(rects[i], i, reset); } }, updateElement: function(rectangle, index, reset) { var me = this; var chart = me.chart; var meta = me.getMeta(); var dataset = me.getDataset(); var custom = rectangle.custom || {}; var rectangleOptions = chart.options.elements.rectangle; rectangle._xScale = me.getScaleForId(meta.xAxisID); rectangle._yScale = me.getScaleForId(meta.yAxisID); rectangle._datasetIndex = me.index; rectangle._index = index; rectangle._model = { datasetLabel: dataset.label, label: chart.data.labels[index], borderSkipped: custom.borderSkipped ? custom.borderSkipped : rectangleOptions.borderSkipped, backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.backgroundColor, index, rectangleOptions.backgroundColor), borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.borderColor, index, rectangleOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.borderWidth, index, rectangleOptions.borderWidth) }; me.updateElementGeometry(rectangle, index, reset); rectangle.pivot(); }, /** * @private */ updateElementGeometry: function(rectangle, index, reset) { var me = this; var model = rectangle._model; var vscale = me.getValueScale(); var base = vscale.getBasePixel(); var horizontal = vscale.isHorizontal(); var ruler = me._ruler || me.getRuler(); var vpixels = me.calculateBarValuePixels(me.index, index); var ipixels = me.calculateBarIndexPixels(me.index, index, ruler); model.horizontal = horizontal; model.base = reset ? base : vpixels.base; model.x = horizontal ? reset ? base : vpixels.head : ipixels.center; model.y = horizontal ? ipixels.center : reset ? base : vpixels.head; model.height = horizontal ? ipixels.size : undefined; model.width = horizontal ? undefined : ipixels.size; }, /** * @private */ getValueScaleId: function() { return this.getMeta().yAxisID; }, /** * @private */ getIndexScaleId: function() { return this.getMeta().xAxisID; }, /** * @private */ getValueScale: function() { return this.getScaleForId(this.getValueScaleId()); }, /** * @private */ getIndexScale: function() { return this.getScaleForId(this.getIndexScaleId()); }, /** * Returns the stacks based on groups and bar visibility. * @param {Number} [last] - The dataset index * @returns {Array} The stack list * @private */ _getStacks: function(last) { var me = this; var chart = me.chart; var scale = me.getIndexScale(); var stacked = scale.options.stacked; var ilen = last === undefined ? chart.data.datasets.length : last + 1; var stacks = []; var i, meta; for (i = 0; i < ilen; ++i) { meta = chart.getDatasetMeta(i); if (meta.bar && chart.isDatasetVisible(i) && (stacked === false || (stacked === true && stacks.indexOf(meta.stack) === -1) || (stacked === undefined && (meta.stack === undefined || stacks.indexOf(meta.stack) === -1)))) { stacks.push(meta.stack); } } return stacks; }, /** * Returns the effective number of stacks based on groups and bar visibility. * @private */ getStackCount: function() { return this._getStacks().length; }, /** * Returns the stack index for the given dataset based on groups and bar visibility. * @param {Number} [datasetIndex] - The dataset index * @param {String} [name] - The stack name to find * @returns {Number} The stack index * @private */ getStackIndex: function(datasetIndex, name) { var stacks = this._getStacks(datasetIndex); var index = (name !== undefined) ? stacks.indexOf(name) : -1; // indexOf returns -1 if element is not present return (index === -1) ? stacks.length - 1 : index; }, /** * @private */ getRuler: function() { var me = this; var scale = me.getIndexScale(); var stackCount = me.getStackCount(); var datasetIndex = me.index; var isHorizontal = scale.isHorizontal(); var start = isHorizontal ? scale.left : scale.top; var end = start + (isHorizontal ? scale.width : scale.height); var pixels = []; var i, ilen, min; for (i = 0, ilen = me.getMeta().data.length; i < ilen; ++i) { pixels.push(scale.getPixelForValue(null, i, datasetIndex)); } min = helpers.isNullOrUndef(scale.options.barThickness) ? computeMinSampleSize(scale, pixels) : -1; return { min: min, pixels: pixels, start: start, end: end, stackCount: stackCount, scale: scale }; }, /** * Note: pixel values are not clamped to the scale area. * @private */ calculateBarValuePixels: function(datasetIndex, index) { var me = this; var chart = me.chart; var meta = me.getMeta(); var scale = me.getValueScale(); var datasets = chart.data.datasets; var value = scale.getRightValue(datasets[datasetIndex].data[index]); var stacked = scale.options.stacked; var stack = meta.stack; var start = 0; var i, imeta, ivalue, base, head, size; if (stacked || (stacked === undefined && stack !== undefined)) { for (i = 0; i < datasetIndex; ++i) { imeta = chart.getDatasetMeta(i); if (imeta.bar && imeta.stack === stack && imeta.controller.getValueScaleId() === scale.id && chart.isDatasetVisible(i)) { ivalue = scale.getRightValue(datasets[i].data[index]); if ((value < 0 && ivalue < 0) || (value >= 0 && ivalue > 0)) { start += ivalue; } } } } base = scale.getPixelForValue(start); head = scale.getPixelForValue(start + value); size = (head - base) / 2; return { size: size, base: base, head: head, center: head + size / 2 }; }, /** * @private */ calculateBarIndexPixels: function(datasetIndex, index, ruler) { var me = this; var options = ruler.scale.options; var range = options.barThickness === 'flex' ? computeFlexCategoryTraits(index, ruler, options) : computeFitCategoryTraits(index, ruler, options); var stackIndex = me.getStackIndex(datasetIndex, me.getMeta().stack); var center = range.start + (range.chunk * stackIndex) + (range.chunk / 2); var size = Math.min( helpers.valueOrDefault(options.maxBarThickness, Infinity), range.chunk * range.ratio); return { base: center - size / 2, head: center + size / 2, center: center, size: size }; }, draw: function() { var me = this; var chart = me.chart; var scale = me.getValueScale(); var rects = me.getMeta().data; var dataset = me.getDataset(); var ilen = rects.length; var i = 0; helpers.canvas.clipArea(chart.ctx, chart.chartArea); for (; i < ilen; ++i) { if (!isNaN(scale.getRightValue(dataset.data[i]))) { rects[i].draw(); } } helpers.canvas.unclipArea(chart.ctx); }, }); Chart.controllers.horizontalBar = Chart.controllers.bar.extend({ /** * @private */ getValueScaleId: function() { return this.getMeta().xAxisID; }, /** * @private */ getIndexScaleId: function() { return this.getMeta().yAxisID; } }); }; },{"26":26,"41":41,"46":46}],16:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('bubble', { hover: { mode: 'single' }, scales: { xAxes: [{ type: 'linear', // bubble should probably use a linear scale by default position: 'bottom', id: 'x-axis-0' // need an ID so datasets can reference the scale }], yAxes: [{ type: 'linear', position: 'left', id: 'y-axis-0' }] }, tooltips: { callbacks: { title: function() { // Title doesn't make sense for scatter since we format the data as a point return ''; }, label: function(item, data) { var datasetLabel = data.datasets[item.datasetIndex].label || ''; var dataPoint = data.datasets[item.datasetIndex].data[item.index]; return datasetLabel + ': (' + item.xLabel + ', ' + item.yLabel + ', ' + dataPoint.r + ')'; } } } }); module.exports = function(Chart) { Chart.controllers.bubble = Chart.DatasetController.extend({ /** * @protected */ dataElementType: elements.Point, /** * @protected */ update: function(reset) { var me = this; var meta = me.getMeta(); var points = meta.data; // Update Points helpers.each(points, function(point, index) { me.updateElement(point, index, reset); }); }, /** * @protected */ updateElement: function(point, index, reset) { var me = this; var meta = me.getMeta(); var custom = point.custom || {}; var xScale = me.getScaleForId(meta.xAxisID); var yScale = me.getScaleForId(meta.yAxisID); var options = me._resolveElementOptions(point, index); var data = me.getDataset().data[index]; var dsIndex = me.index; var x = reset ? xScale.getPixelForDecimal(0.5) : xScale.getPixelForValue(typeof data === 'object' ? data : NaN, index, dsIndex); var y = reset ? yScale.getBasePixel() : yScale.getPixelForValue(data, index, dsIndex); point._xScale = xScale; point._yScale = yScale; point._options = options; point._datasetIndex = dsIndex; point._index = index; point._model = { backgroundColor: options.backgroundColor, borderColor: options.borderColor, borderWidth: options.borderWidth, hitRadius: options.hitRadius, pointStyle: options.pointStyle, rotation: options.rotation, radius: reset ? 0 : options.radius, skip: custom.skip || isNaN(x) || isNaN(y), x: x, y: y, }; point.pivot(); }, /** * @protected */ setHoverStyle: function(point) { var model = point._model; var options = point._options; point.$previousStyle = { backgroundColor: model.backgroundColor, borderColor: model.borderColor, borderWidth: model.borderWidth, radius: model.radius }; model.backgroundColor = helpers.valueOrDefault(options.hoverBackgroundColor, helpers.getHoverColor(options.backgroundColor)); model.borderColor = helpers.valueOrDefault(options.hoverBorderColor, helpers.getHoverColor(options.borderColor)); model.borderWidth = helpers.valueOrDefault(options.hoverBorderWidth, options.borderWidth); model.radius = options.radius + options.hoverRadius; }, /** * @private */ _resolveElementOptions: function(point, index) { var me = this; var chart = me.chart; var datasets = chart.data.datasets; var dataset = datasets[me.index]; var custom = point.custom || {}; var options = chart.options.elements.point; var resolve = helpers.options.resolve; var data = dataset.data[index]; var values = {}; var i, ilen, key; // Scriptable options var context = { chart: chart, dataIndex: index, dataset: dataset, datasetIndex: me.index }; var keys = [ 'backgroundColor', 'borderColor', 'borderWidth', 'hoverBackgroundColor', 'hoverBorderColor', 'hoverBorderWidth', 'hoverRadius', 'hitRadius', 'pointStyle', 'rotation' ]; for (i = 0, ilen = keys.length; i < ilen; ++i) { key = keys[i]; values[key] = resolve([ custom[key], dataset[key], options[key] ], context, index); } // Custom radius resolution values.radius = resolve([ custom.radius, data ? data.r : undefined, dataset.radius, options.radius ], context, index); return values; } }); }; },{"26":26,"41":41,"46":46}],17:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('doughnut', { animation: { // Boolean - Whether we animate the rotation of the Doughnut animateRotate: true, // Boolean - Whether we animate scaling the Doughnut from the centre animateScale: false }, hover: { mode: 'single' }, legendCallback: function(chart) { var text = []; text.push('<ul class="' + chart.id + '-legend">'); var data = chart.data; var datasets = data.datasets; var labels = data.labels; if (datasets.length) { for (var i = 0; i < datasets[0].data.length; ++i) { text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>'); if (labels[i]) { text.push(labels[i]); } text.push('</li>'); } } text.push('</ul>'); return text.join(''); }, legend: { labels: { generateLabels: function(chart) { var data = chart.data; if (data.labels.length && data.datasets.length) { return data.labels.map(function(label, i) { var meta = chart.getDatasetMeta(0); var ds = data.datasets[0]; var arc = meta.data[i]; var custom = arc && arc.custom || {}; var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; var arcOpts = chart.options.elements.arc; var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); return { text: label, fillStyle: fill, strokeStyle: stroke, lineWidth: bw, hidden: isNaN(ds.data[i]) || meta.data[i].hidden, // Extra data used for toggling the correct item index: i }; }); } return []; } }, onClick: function(e, legendItem) { var index = legendItem.index; var chart = this.chart; var i, ilen, meta; for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { meta = chart.getDatasetMeta(i); // toggle visibility of index if exists if (meta.data[index]) { meta.data[index].hidden = !meta.data[index].hidden; } } chart.update(); } }, // The percentage of the chart that we cut out of the middle. cutoutPercentage: 50, // The rotation of the chart, where the first data arc begins. rotation: Math.PI * -0.5, // The total circumference of the chart. circumference: Math.PI * 2.0, // Need to override these to give a nice default tooltips: { callbacks: { title: function() { return ''; }, label: function(tooltipItem, data) { var dataLabel = data.labels[tooltipItem.index]; var value = ': ' + data.datasets[tooltipItem.datasetIndex].data[tooltipItem.index]; if (helpers.isArray(dataLabel)) { // show value on first line of multiline label // need to clone because we are changing the value dataLabel = dataLabel.slice(); dataLabel[0] += value; } else { dataLabel += value; } return dataLabel; } } } }); defaults._set('pie', helpers.clone(defaults.doughnut)); defaults._set('pie', { cutoutPercentage: 0 }); module.exports = function(Chart) { Chart.controllers.doughnut = Chart.controllers.pie = Chart.DatasetController.extend({ dataElementType: elements.Arc, linkScales: helpers.noop, // Get index of the dataset in relation to the visible datasets. This allows determining the inner and outer radius correctly getRingIndex: function(datasetIndex) { var ringIndex = 0; for (var j = 0; j < datasetIndex; ++j) { if (this.chart.isDatasetVisible(j)) { ++ringIndex; } } return ringIndex; }, update: function(reset) { var me = this; var chart = me.chart; var chartArea = chart.chartArea; var opts = chart.options; var arcOpts = opts.elements.arc; var availableWidth = chartArea.right - chartArea.left - arcOpts.borderWidth; var availableHeight = chartArea.bottom - chartArea.top - arcOpts.borderWidth; var minSize = Math.min(availableWidth, availableHeight); var offset = {x: 0, y: 0}; var meta = me.getMeta(); var cutoutPercentage = opts.cutoutPercentage; var circumference = opts.circumference; // If the chart's circumference isn't a full circle, calculate minSize as a ratio of the width/height of the arc if (circumference < Math.PI * 2.0) { var startAngle = opts.rotation % (Math.PI * 2.0); startAngle += Math.PI * 2.0 * (startAngle >= Math.PI ? -1 : startAngle < -Math.PI ? 1 : 0); var endAngle = startAngle + circumference; var start = {x: Math.cos(startAngle), y: Math.sin(startAngle)}; var end = {x: Math.cos(endAngle), y: Math.sin(endAngle)}; var contains0 = (startAngle <= 0 && endAngle >= 0) || (startAngle <= Math.PI * 2.0 && Math.PI * 2.0 <= endAngle); var contains90 = (startAngle <= Math.PI * 0.5 && Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 2.5 && Math.PI * 2.5 <= endAngle); var contains180 = (startAngle <= -Math.PI && -Math.PI <= endAngle) || (startAngle <= Math.PI && Math.PI <= endAngle); var contains270 = (startAngle <= -Math.PI * 0.5 && -Math.PI * 0.5 <= endAngle) || (startAngle <= Math.PI * 1.5 && Math.PI * 1.5 <= endAngle); var cutout = cutoutPercentage / 100.0; var min = {x: contains180 ? -1 : Math.min(start.x * (start.x < 0 ? 1 : cutout), end.x * (end.x < 0 ? 1 : cutout)), y: contains270 ? -1 : Math.min(start.y * (start.y < 0 ? 1 : cutout), end.y * (end.y < 0 ? 1 : cutout))}; var max = {x: contains0 ? 1 : Math.max(start.x * (start.x > 0 ? 1 : cutout), end.x * (end.x > 0 ? 1 : cutout)), y: contains90 ? 1 : Math.max(start.y * (start.y > 0 ? 1 : cutout), end.y * (end.y > 0 ? 1 : cutout))}; var size = {width: (max.x - min.x) * 0.5, height: (max.y - min.y) * 0.5}; minSize = Math.min(availableWidth / size.width, availableHeight / size.height); offset = {x: (max.x + min.x) * -0.5, y: (max.y + min.y) * -0.5}; } chart.borderWidth = me.getMaxBorderWidth(meta.data); chart.outerRadius = Math.max((minSize - chart.borderWidth) / 2, 0); chart.innerRadius = Math.max(cutoutPercentage ? (chart.outerRadius / 100) * (cutoutPercentage) : 0, 0); chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); chart.offsetX = offset.x * chart.outerRadius; chart.offsetY = offset.y * chart.outerRadius; meta.total = me.calculateTotal(); me.outerRadius = chart.outerRadius - (chart.radiusLength * me.getRingIndex(me.index)); me.innerRadius = Math.max(me.outerRadius - chart.radiusLength, 0); helpers.each(meta.data, function(arc, index) { me.updateElement(arc, index, reset); }); }, updateElement: function(arc, index, reset) { var me = this; var chart = me.chart; var chartArea = chart.chartArea; var opts = chart.options; var animationOpts = opts.animation; var centerX = (chartArea.left + chartArea.right) / 2; var centerY = (chartArea.top + chartArea.bottom) / 2; var startAngle = opts.rotation; // non reset case handled later var endAngle = opts.rotation; // non reset case handled later var dataset = me.getDataset(); var circumference = reset && animationOpts.animateRotate ? 0 : arc.hidden ? 0 : me.calculateCircumference(dataset.data[index]) * (opts.circumference / (2.0 * Math.PI)); var innerRadius = reset && animationOpts.animateScale ? 0 : me.innerRadius; var outerRadius = reset && animationOpts.animateScale ? 0 : me.outerRadius; var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; helpers.extend(arc, { // Utility _datasetIndex: me.index, _index: index, // Desired view properties _model: { x: centerX + chart.offsetX, y: centerY + chart.offsetY, startAngle: startAngle, endAngle: endAngle, circumference: circumference, outerRadius: outerRadius, innerRadius: innerRadius, label: valueAtIndexOrDefault(dataset.label, index, chart.data.labels[index]) } }); var model = arc._model; // Resets the visual styles var custom = arc.custom || {}; var valueOrDefault = helpers.valueAtIndexOrDefault; var elementOpts = this.chart.options.elements.arc; model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); // Set correct angles if not resetting if (!reset || !animationOpts.animateRotate) { if (index === 0) { model.startAngle = opts.rotation; } else { model.startAngle = me.getMeta().data[index - 1]._model.endAngle; } model.endAngle = model.startAngle + model.circumference; } arc.pivot(); }, calculateTotal: function() { var dataset = this.getDataset(); var meta = this.getMeta(); var total = 0; var value; helpers.each(meta.data, function(element, index) { value = dataset.data[index]; if (!isNaN(value) && !element.hidden) { total += Math.abs(value); } }); /* if (total === 0) { total = NaN; }*/ return total; }, calculateCircumference: function(value) { var total = this.getMeta().total; if (total > 0 && !isNaN(value)) { return (Math.PI * 2.0) * (Math.abs(value) / total); } return 0; }, // gets the max border or hover width to properly scale pie charts getMaxBorderWidth: function(arcs) { var max = 0; var index = this.index; var length = arcs.length; var borderWidth; var hoverWidth; for (var i = 0; i < length; i++) { borderWidth = arcs[i]._model ? arcs[i]._model.borderWidth : 0; hoverWidth = arcs[i]._chart ? arcs[i]._chart.config.data.datasets[index].hoverBorderWidth : 0; max = borderWidth > max ? borderWidth : max; max = hoverWidth > max ? hoverWidth : max; } return max; } }); }; },{"26":26,"41":41,"46":46}],18:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('line', { showLines: true, spanGaps: false, hover: { mode: 'label' }, scales: { xAxes: [{ type: 'category', id: 'x-axis-0' }], yAxes: [{ type: 'linear', id: 'y-axis-0' }] } }); module.exports = function(Chart) { function lineEnabled(dataset, options) { return helpers.valueOrDefault(dataset.showLine, options.showLines); } Chart.controllers.line = Chart.DatasetController.extend({ datasetElementType: elements.Line, dataElementType: elements.Point, update: function(reset) { var me = this; var meta = me.getMeta(); var line = meta.dataset; var points = meta.data || []; var options = me.chart.options; var lineElementOptions = options.elements.line; var scale = me.getScaleForId(meta.yAxisID); var i, ilen, custom; var dataset = me.getDataset(); var showLine = lineEnabled(dataset, options); // Update Line if (showLine) { custom = line.custom || {}; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { dataset.lineTension = dataset.tension; } // Utility line._scale = scale; line._datasetIndex = me.index; // Data line._children = points; // Model line._model = { // Appearance // The default behavior of lines is to break at null values, according // to https://github.com/chartjs/Chart.js/issues/2435#issuecomment-216718158 // This option gives lines the ability to span gaps spanGaps: dataset.spanGaps ? dataset.spanGaps : options.spanGaps, tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), steppedLine: custom.steppedLine ? custom.steppedLine : helpers.valueOrDefault(dataset.steppedLine, lineElementOptions.stepped), cubicInterpolationMode: custom.cubicInterpolationMode ? custom.cubicInterpolationMode : helpers.valueOrDefault(dataset.cubicInterpolationMode, lineElementOptions.cubicInterpolationMode), }; line.pivot(); } // Update Points for (i = 0, ilen = points.length; i < ilen; ++i) { me.updateElement(points[i], i, reset); } if (showLine && line._model.tension !== 0) { me.updateBezierControlPoints(); } // Now pivot the point for animation for (i = 0, ilen = points.length; i < ilen; ++i) { points[i].pivot(); } }, getPointBackgroundColor: function(point, index) { var backgroundColor = this.chart.options.elements.point.backgroundColor; var dataset = this.getDataset(); var custom = point.custom || {}; if (custom.backgroundColor) { backgroundColor = custom.backgroundColor; } else if (dataset.pointBackgroundColor) { backgroundColor = helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, backgroundColor); } else if (dataset.backgroundColor) { backgroundColor = dataset.backgroundColor; } return backgroundColor; }, getPointBorderColor: function(point, index) { var borderColor = this.chart.options.elements.point.borderColor; var dataset = this.getDataset(); var custom = point.custom || {}; if (custom.borderColor) { borderColor = custom.borderColor; } else if (dataset.pointBorderColor) { borderColor = helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, borderColor); } else if (dataset.borderColor) { borderColor = dataset.borderColor; } return borderColor; }, getPointBorderWidth: function(point, index) { var borderWidth = this.chart.options.elements.point.borderWidth; var dataset = this.getDataset(); var custom = point.custom || {}; if (!isNaN(custom.borderWidth)) { borderWidth = custom.borderWidth; } else if (!isNaN(dataset.pointBorderWidth) || helpers.isArray(dataset.pointBorderWidth)) { borderWidth = helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, borderWidth); } else if (!isNaN(dataset.borderWidth)) { borderWidth = dataset.borderWidth; } return borderWidth; }, getPointRotation: function(point, index) { var pointRotation = this.chart.options.elements.point.rotation; var dataset = this.getDataset(); var custom = point.custom || {}; if (!isNaN(custom.rotation)) { pointRotation = custom.rotation; } else if (!isNaN(dataset.pointRotation) || helpers.isArray(dataset.pointRotation)) { pointRotation = helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointRotation); } return pointRotation; }, updateElement: function(point, index, reset) { var me = this; var meta = me.getMeta(); var custom = point.custom || {}; var dataset = me.getDataset(); var datasetIndex = me.index; var value = dataset.data[index]; var yScale = me.getScaleForId(meta.yAxisID); var xScale = me.getScaleForId(meta.xAxisID); var pointOptions = me.chart.options.elements.point; var x, y; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { dataset.pointRadius = dataset.radius; } if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { dataset.pointHitRadius = dataset.hitRadius; } x = xScale.getPixelForValue(typeof value === 'object' ? value : NaN, index, datasetIndex); y = reset ? yScale.getBasePixel() : me.calculatePointY(value, index, datasetIndex); // Utility point._xScale = xScale; point._yScale = yScale; point._datasetIndex = datasetIndex; point._index = index; // Desired view properties point._model = { x: x, y: y, skip: custom.skip || isNaN(x) || isNaN(y), // Appearance radius: custom.radius || helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointOptions.radius), pointStyle: custom.pointStyle || helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointOptions.pointStyle), rotation: me.getPointRotation(point, index), backgroundColor: me.getPointBackgroundColor(point, index), borderColor: me.getPointBorderColor(point, index), borderWidth: me.getPointBorderWidth(point, index), tension: meta.dataset._model ? meta.dataset._model.tension : 0, steppedLine: meta.dataset._model ? meta.dataset._model.steppedLine : false, // Tooltip hitRadius: custom.hitRadius || helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointOptions.hitRadius) }; }, calculatePointY: function(value, index, datasetIndex) { var me = this; var chart = me.chart; var meta = me.getMeta(); var yScale = me.getScaleForId(meta.yAxisID); var sumPos = 0; var sumNeg = 0; var i, ds, dsMeta; if (yScale.options.stacked) { for (i = 0; i < datasetIndex; i++) { ds = chart.data.datasets[i]; dsMeta = chart.getDatasetMeta(i); if (dsMeta.type === 'line' && dsMeta.yAxisID === yScale.id && chart.isDatasetVisible(i)) { var stackedRightValue = Number(yScale.getRightValue(ds.data[index])); if (stackedRightValue < 0) { sumNeg += stackedRightValue || 0; } else { sumPos += stackedRightValue || 0; } } } var rightValue = Number(yScale.getRightValue(value)); if (rightValue < 0) { return yScale.getPixelForValue(sumNeg + rightValue); } return yScale.getPixelForValue(sumPos + rightValue); } return yScale.getPixelForValue(value); }, updateBezierControlPoints: function() { var me = this; var meta = me.getMeta(); var area = me.chart.chartArea; var points = (meta.data || []); var i, ilen, point, model, controlPoints; // Only consider points that are drawn in case the spanGaps option is used if (meta.dataset._model.spanGaps) { points = points.filter(function(pt) { return !pt._model.skip; }); } function capControlPoint(pt, min, max) { return Math.max(Math.min(pt, max), min); } if (meta.dataset._model.cubicInterpolationMode === 'monotone') { helpers.splineCurveMonotone(points); } else { for (i = 0, ilen = points.length; i < ilen; ++i) { point = points[i]; model = point._model; controlPoints = helpers.splineCurve( helpers.previousItem(points, i)._model, model, helpers.nextItem(points, i)._model, meta.dataset._model.tension ); model.controlPointPreviousX = controlPoints.previous.x; model.controlPointPreviousY = controlPoints.previous.y; model.controlPointNextX = controlPoints.next.x; model.controlPointNextY = controlPoints.next.y; } } if (me.chart.options.elements.line.capBezierPoints) { for (i = 0, ilen = points.length; i < ilen; ++i) { model = points[i]._model; model.controlPointPreviousX = capControlPoint(model.controlPointPreviousX, area.left, area.right); model.controlPointPreviousY = capControlPoint(model.controlPointPreviousY, area.top, area.bottom); model.controlPointNextX = capControlPoint(model.controlPointNextX, area.left, area.right); model.controlPointNextY = capControlPoint(model.controlPointNextY, area.top, area.bottom); } } }, draw: function() { var me = this; var chart = me.chart; var meta = me.getMeta(); var points = meta.data || []; var area = chart.chartArea; var ilen = points.length; var halfBorderWidth; var i = 0; if (lineEnabled(me.getDataset(), chart.options)) { halfBorderWidth = (meta.dataset._model.borderWidth || 0) / 2; helpers.canvas.clipArea(chart.ctx, { left: area.left, right: area.right, top: area.top - halfBorderWidth, bottom: area.bottom + halfBorderWidth }); meta.dataset.draw(); helpers.canvas.unclipArea(chart.ctx); } // Draw the points for (; i < ilen; ++i) { points[i].draw(area); } }, setHoverStyle: function(element) { // Point var dataset = this.chart.data.datasets[element._datasetIndex]; var index = element._index; var custom = element.custom || {}; var model = element._model; element.$previousStyle = { backgroundColor: model.backgroundColor, borderColor: model.borderColor, borderWidth: model.borderWidth, radius: model.radius }; model.backgroundColor = custom.hoverBackgroundColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth || helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); model.radius = custom.hoverRadius || helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); }, }); }; },{"26":26,"41":41,"46":46}],19:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('polarArea', { scale: { type: 'radialLinear', angleLines: { display: false }, gridLines: { circular: true }, pointLabels: { display: false }, ticks: { beginAtZero: true } }, // Boolean - Whether to animate the rotation of the chart animation: { animateRotate: true, animateScale: true }, startAngle: -0.5 * Math.PI, legendCallback: function(chart) { var text = []; text.push('<ul class="' + chart.id + '-legend">'); var data = chart.data; var datasets = data.datasets; var labels = data.labels; if (datasets.length) { for (var i = 0; i < datasets[0].data.length; ++i) { text.push('<li><span style="background-color:' + datasets[0].backgroundColor[i] + '"></span>'); if (labels[i]) { text.push(labels[i]); } text.push('</li>'); } } text.push('</ul>'); return text.join(''); }, legend: { labels: { generateLabels: function(chart) { var data = chart.data; if (data.labels.length && data.datasets.length) { return data.labels.map(function(label, i) { var meta = chart.getDatasetMeta(0); var ds = data.datasets[0]; var arc = meta.data[i]; var custom = arc.custom || {}; var valueAtIndexOrDefault = helpers.valueAtIndexOrDefault; var arcOpts = chart.options.elements.arc; var fill = custom.backgroundColor ? custom.backgroundColor : valueAtIndexOrDefault(ds.backgroundColor, i, arcOpts.backgroundColor); var stroke = custom.borderColor ? custom.borderColor : valueAtIndexOrDefault(ds.borderColor, i, arcOpts.borderColor); var bw = custom.borderWidth ? custom.borderWidth : valueAtIndexOrDefault(ds.borderWidth, i, arcOpts.borderWidth); return { text: label, fillStyle: fill, strokeStyle: stroke, lineWidth: bw, hidden: isNaN(ds.data[i]) || meta.data[i].hidden, // Extra data used for toggling the correct item index: i }; }); } return []; } }, onClick: function(e, legendItem) { var index = legendItem.index; var chart = this.chart; var i, ilen, meta; for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { meta = chart.getDatasetMeta(i); meta.data[index].hidden = !meta.data[index].hidden; } chart.update(); } }, // Need to override these to give a nice default tooltips: { callbacks: { title: function() { return ''; }, label: function(item, data) { return data.labels[item.index] + ': ' + item.yLabel; } } } }); module.exports = function(Chart) { Chart.controllers.polarArea = Chart.DatasetController.extend({ dataElementType: elements.Arc, linkScales: helpers.noop, update: function(reset) { var me = this; var dataset = me.getDataset(); var meta = me.getMeta(); var start = me.chart.options.startAngle || 0; var starts = me._starts = []; var angles = me._angles = []; var i, ilen, angle; me._updateRadius(); meta.count = me.countVisibleElements(); for (i = 0, ilen = dataset.data.length; i < ilen; i++) { starts[i] = start; angle = me._computeAngle(i); angles[i] = angle; start += angle; } helpers.each(meta.data, function(arc, index) { me.updateElement(arc, index, reset); }); }, /** * @private */ _updateRadius: function() { var me = this; var chart = me.chart; var chartArea = chart.chartArea; var opts = chart.options; var arcOpts = opts.elements.arc; var minSize = Math.min(chartArea.right - chartArea.left, chartArea.bottom - chartArea.top); chart.outerRadius = Math.max((minSize - arcOpts.borderWidth / 2) / 2, 0); chart.innerRadius = Math.max(opts.cutoutPercentage ? (chart.outerRadius / 100) * (opts.cutoutPercentage) : 1, 0); chart.radiusLength = (chart.outerRadius - chart.innerRadius) / chart.getVisibleDatasetCount(); me.outerRadius = chart.outerRadius - (chart.radiusLength * me.index); me.innerRadius = me.outerRadius - chart.radiusLength; }, updateElement: function(arc, index, reset) { var me = this; var chart = me.chart; var dataset = me.getDataset(); var opts = chart.options; var animationOpts = opts.animation; var scale = chart.scale; var labels = chart.data.labels; var centerX = scale.xCenter; var centerY = scale.yCenter; // var negHalfPI = -0.5 * Math.PI; var datasetStartAngle = opts.startAngle; var distance = arc.hidden ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); var startAngle = me._starts[index]; var endAngle = startAngle + (arc.hidden ? 0 : me._angles[index]); var resetRadius = animationOpts.animateScale ? 0 : scale.getDistanceFromCenterForValue(dataset.data[index]); helpers.extend(arc, { // Utility _datasetIndex: me.index, _index: index, _scale: scale, // Desired view properties _model: { x: centerX, y: centerY, innerRadius: 0, outerRadius: reset ? resetRadius : distance, startAngle: reset && animationOpts.animateRotate ? datasetStartAngle : startAngle, endAngle: reset && animationOpts.animateRotate ? datasetStartAngle : endAngle, label: helpers.valueAtIndexOrDefault(labels, index, labels[index]) } }); // Apply border and fill style var elementOpts = this.chart.options.elements.arc; var custom = arc.custom || {}; var valueOrDefault = helpers.valueAtIndexOrDefault; var model = arc._model; model.backgroundColor = custom.backgroundColor ? custom.backgroundColor : valueOrDefault(dataset.backgroundColor, index, elementOpts.backgroundColor); model.borderColor = custom.borderColor ? custom.borderColor : valueOrDefault(dataset.borderColor, index, elementOpts.borderColor); model.borderWidth = custom.borderWidth ? custom.borderWidth : valueOrDefault(dataset.borderWidth, index, elementOpts.borderWidth); arc.pivot(); }, countVisibleElements: function() { var dataset = this.getDataset(); var meta = this.getMeta(); var count = 0; helpers.each(meta.data, function(element, index) { if (!isNaN(dataset.data[index]) && !element.hidden) { count++; } }); return count; }, /** * @private */ _computeAngle: function(index) { var me = this; var count = this.getMeta().count; var dataset = me.getDataset(); var meta = me.getMeta(); if (isNaN(dataset.data[index]) || meta.data[index].hidden) { return 0; } // Scriptable options var context = { chart: me.chart, dataIndex: index, dataset: dataset, datasetIndex: me.index }; return helpers.options.resolve([ me.chart.options.elements.arc.angle, (2 * Math.PI) / count ], context, index); } }); }; },{"26":26,"41":41,"46":46}],20:[function(require,module,exports){ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('radar', { scale: { type: 'radialLinear' }, elements: { line: { tension: 0 // no bezier in radar } } }); module.exports = function(Chart) { Chart.controllers.radar = Chart.DatasetController.extend({ datasetElementType: elements.Line, dataElementType: elements.Point, linkScales: helpers.noop, update: function(reset) { var me = this; var meta = me.getMeta(); var line = meta.dataset; var points = meta.data; var custom = line.custom || {}; var dataset = me.getDataset(); var lineElementOptions = me.chart.options.elements.line; var scale = me.chart.scale; // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.tension !== undefined) && (dataset.lineTension === undefined)) { dataset.lineTension = dataset.tension; } helpers.extend(meta.dataset, { // Utility _datasetIndex: me.index, _scale: scale, // Data _children: points, _loop: true, // Model _model: { // Appearance tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, lineElementOptions.tension), backgroundColor: custom.backgroundColor ? custom.backgroundColor : (dataset.backgroundColor || lineElementOptions.backgroundColor), borderWidth: custom.borderWidth ? custom.borderWidth : (dataset.borderWidth || lineElementOptions.borderWidth), borderColor: custom.borderColor ? custom.borderColor : (dataset.borderColor || lineElementOptions.borderColor), fill: custom.fill ? custom.fill : (dataset.fill !== undefined ? dataset.fill : lineElementOptions.fill), borderCapStyle: custom.borderCapStyle ? custom.borderCapStyle : (dataset.borderCapStyle || lineElementOptions.borderCapStyle), borderDash: custom.borderDash ? custom.borderDash : (dataset.borderDash || lineElementOptions.borderDash), borderDashOffset: custom.borderDashOffset ? custom.borderDashOffset : (dataset.borderDashOffset || lineElementOptions.borderDashOffset), borderJoinStyle: custom.borderJoinStyle ? custom.borderJoinStyle : (dataset.borderJoinStyle || lineElementOptions.borderJoinStyle), } }); meta.dataset.pivot(); // Update Points helpers.each(points, function(point, index) { me.updateElement(point, index, reset); }, me); // Update bezier control points me.updateBezierControlPoints(); }, updateElement: function(point, index, reset) { var me = this; var custom = point.custom || {}; var dataset = me.getDataset(); var scale = me.chart.scale; var pointElementOptions = me.chart.options.elements.point; var pointPosition = scale.getPointPositionForValue(index, dataset.data[index]); // Compatibility: If the properties are defined with only the old name, use those values if ((dataset.radius !== undefined) && (dataset.pointRadius === undefined)) { dataset.pointRadius = dataset.radius; } if ((dataset.hitRadius !== undefined) && (dataset.pointHitRadius === undefined)) { dataset.pointHitRadius = dataset.hitRadius; } helpers.extend(point, { // Utility _datasetIndex: me.index, _index: index, _scale: scale, // Desired view properties _model: { x: reset ? scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales y: reset ? scale.yCenter : pointPosition.y, // Appearance tension: custom.tension ? custom.tension : helpers.valueOrDefault(dataset.lineTension, me.chart.options.elements.line.tension), radius: custom.radius ? custom.radius : helpers.valueAtIndexOrDefault(dataset.pointRadius, index, pointElementOptions.radius), backgroundColor: custom.backgroundColor ? custom.backgroundColor : helpers.valueAtIndexOrDefault(dataset.pointBackgroundColor, index, pointElementOptions.backgroundColor), borderColor: custom.borderColor ? custom.borderColor : helpers.valueAtIndexOrDefault(dataset.pointBorderColor, index, pointElementOptions.borderColor), borderWidth: custom.borderWidth ? custom.borderWidth : helpers.valueAtIndexOrDefault(dataset.pointBorderWidth, index, pointElementOptions.borderWidth), pointStyle: custom.pointStyle ? custom.pointStyle : helpers.valueAtIndexOrDefault(dataset.pointStyle, index, pointElementOptions.pointStyle), rotation: custom.rotation ? custom.rotation : helpers.valueAtIndexOrDefault(dataset.pointRotation, index, pointElementOptions.rotation), // Tooltip hitRadius: custom.hitRadius ? custom.hitRadius : helpers.valueAtIndexOrDefault(dataset.pointHitRadius, index, pointElementOptions.hitRadius) } }); point._model.skip = custom.skip ? custom.skip : (isNaN(point._model.x) || isNaN(point._model.y)); }, updateBezierControlPoints: function() { var chartArea = this.chart.chartArea; var meta = this.getMeta(); helpers.each(meta.data, function(point, index) { var model = point._model; var controlPoints = helpers.splineCurve( helpers.previousItem(meta.data, index, true)._model, model, helpers.nextItem(meta.data, index, true)._model, model.tension ); // Prevent the bezier going outside of the bounds of the graph model.controlPointPreviousX = Math.max(Math.min(controlPoints.previous.x, chartArea.right), chartArea.left); model.controlPointPreviousY = Math.max(Math.min(controlPoints.previous.y, chartArea.bottom), chartArea.top); model.controlPointNextX = Math.max(Math.min(controlPoints.next.x, chartArea.right), chartArea.left); model.controlPointNextY = Math.max(Math.min(controlPoints.next.y, chartArea.bottom), chartArea.top); // Now pivot the point for animation point.pivot(); }); }, setHoverStyle: function(point) { // Point var dataset = this.chart.data.datasets[point._datasetIndex]; var custom = point.custom || {}; var index = point._index; var model = point._model; point.$previousStyle = { backgroundColor: model.backgroundColor, borderColor: model.borderColor, borderWidth: model.borderWidth, radius: model.radius }; model.radius = custom.hoverRadius ? custom.hoverRadius : helpers.valueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius); model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : helpers.valueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, model.borderWidth); }, }); }; },{"26":26,"41":41,"46":46}],21:[function(require,module,exports){ 'use strict'; var defaults = require(26); defaults._set('scatter', { hover: { mode: 'single' }, scales: { xAxes: [{ id: 'x-axis-1', // need an ID so datasets can reference the scale type: 'linear', // scatter should not use a category axis position: 'bottom' }], yAxes: [{ id: 'y-axis-1', type: 'linear', position: 'left' }] }, showLines: false, tooltips: { callbacks: { title: function() { return ''; // doesn't make sense for scatter since data are formatted as a point }, label: function(item) { return '(' + item.xLabel + ', ' + item.yLabel + ')'; } } } }); module.exports = function(Chart) { // Scatter charts use line controllers Chart.controllers.scatter = Chart.controllers.line; }; },{"26":26}],22:[function(require,module,exports){ 'use strict'; var Element = require(27); var exports = module.exports = Element.extend({ chart: null, // the animation associated chart instance currentStep: 0, // the current animation step numSteps: 60, // default number of steps easing: '', // the easing to use for this animation render: null, // render function used by the animation service onAnimationProgress: null, // user specified callback to fire on each step of the animation onAnimationComplete: null, // user specified callback to fire when the animation finishes }); // DEPRECATIONS /** * Provided for backward compatibility, use Chart.Animation instead * @prop Chart.Animation#animationObject * @deprecated since version 2.6.0 * @todo remove at version 3 */ Object.defineProperty(exports.prototype, 'animationObject', { get: function() { return this; } }); /** * Provided for backward compatibility, use Chart.Animation#chart instead * @prop Chart.Animation#chartInstance * @deprecated since version 2.6.0 * @todo remove at version 3 */ Object.defineProperty(exports.prototype, 'chartInstance', { get: function() { return this.chart; }, set: function(value) { this.chart = value; } }); },{"27":27}],23:[function(require,module,exports){ /* global window: false */ 'use strict'; var defaults = require(26); var helpers = require(46); defaults._set('global', { animation: { duration: 1000, easing: 'easeOutQuart', onProgress: helpers.noop, onComplete: helpers.noop } }); module.exports = { frameDuration: 17, animations: [], dropFrames: 0, request: null, /** * @param {Chart} chart - The chart to animate. * @param {Chart.Animation} animation - The animation that we will animate. * @param {Number} duration - The animation duration in ms. * @param {Boolean} lazy - if true, the chart is not marked as animating to enable more responsive interactions */ addAnimation: function(chart, animation, duration, lazy) { var animations = this.animations; var i, ilen; animation.chart = chart; if (!lazy) { chart.animating = true; } for (i = 0, ilen = animations.length; i < ilen; ++i) { if (animations[i].chart === chart) { animations[i] = animation; return; } } animations.push(animation); // If there are no animations queued, manually kickstart a digest, for lack of a better word if (animations.length === 1) { this.requestAnimationFrame(); } }, cancelAnimation: function(chart) { var index = helpers.findIndex(this.animations, function(animation) { return animation.chart === chart; }); if (index !== -1) { this.animations.splice(index, 1); chart.animating = false; } }, requestAnimationFrame: function() { var me = this; if (me.request === null) { // Skip animation frame requests until the active one is executed. // This can happen when processing mouse events, e.g. 'mousemove' // and 'mouseout' events will trigger multiple renders. me.request = helpers.requestAnimFrame.call(window, function() { me.request = null; me.startDigest(); }); } }, /** * @private */ startDigest: function() { var me = this; var startTime = Date.now(); var framesToDrop = 0; if (me.dropFrames > 1) { framesToDrop = Math.floor(me.dropFrames); me.dropFrames = me.dropFrames % 1; } me.advance(1 + framesToDrop); var endTime = Date.now(); me.dropFrames += (endTime - startTime) / me.frameDuration; // Do we have more stuff to animate? if (me.animations.length > 0) { me.requestAnimationFrame(); } }, /** * @private */ advance: function(count) { var animations = this.animations; var animation, chart; var i = 0; while (i < animations.length) { animation = animations[i]; chart = animation.chart; animation.currentStep = (animation.currentStep || 0) + count; animation.currentStep = Math.min(animation.currentStep, animation.numSteps); helpers.callback(animation.render, [chart, animation], chart); helpers.callback(animation.onAnimationProgress, [animation], chart); if (animation.currentStep >= animation.numSteps) { helpers.callback(animation.onAnimationComplete, [animation], chart); chart.animating = false; animations.splice(i, 1); } else { ++i; } } } }; },{"26":26,"46":46}],24:[function(require,module,exports){ 'use strict'; var Animation = require(22); var animations = require(23); var defaults = require(26); var helpers = require(46); var Interaction = require(29); var layouts = require(31); var platform = require(49); var plugins = require(32); var scaleService = require(34); var Tooltip = require(36); module.exports = function(Chart) { // Create a dictionary of chart types, to allow for extension of existing types Chart.types = {}; // Store a reference to each instance - allowing us to globally resize chart instances on window resize. // Destroy method on the chart will remove the instance of the chart from this reference. Chart.instances = {}; // Controllers available for dataset visualization eg. bar, line, slice, etc. Chart.controllers = {}; /** * Initializes the given config with global and chart default values. */ function initConfig(config) { config = config || {}; // Do NOT use configMerge() for the data object because this method merges arrays // and so would change references to labels and datasets, preventing data updates. var data = config.data = config.data || {}; data.datasets = data.datasets || []; data.labels = data.labels || []; config.options = helpers.configMerge( defaults.global, defaults[config.type], config.options || {}); return config; } /** * Updates the config of the chart * @param chart {Chart} chart to update the options for */ function updateConfig(chart) { var newOptions = chart.options; helpers.each(chart.scales, function(scale) { layouts.removeBox(chart, scale); }); newOptions = helpers.configMerge( Chart.defaults.global, Chart.defaults[chart.config.type], newOptions); chart.options = chart.config.options = newOptions; chart.ensureScalesHaveIDs(); chart.buildOrUpdateScales(); // Tooltip chart.tooltip._options = newOptions.tooltips; chart.tooltip.initialize(); } function positionIsHorizontal(position) { return position === 'top' || position === 'bottom'; } helpers.extend(Chart.prototype, /** @lends Chart */ { /** * @private */ construct: function(item, config) { var me = this; config = initConfig(config); var context = platform.acquireContext(item, config); var canvas = context && context.canvas; var height = canvas && canvas.height; var width = canvas && canvas.width; me.id = helpers.uid(); me.ctx = context; me.canvas = canvas; me.config = config; me.width = width; me.height = height; me.aspectRatio = height ? width / height : null; me.options = config.options; me._bufferedRender = false; /** * Provided for backward compatibility, Chart and Chart.Controller have been merged, * the "instance" still need to be defined since it might be called from plugins. * @prop Chart#chart * @deprecated since version 2.6.0 * @todo remove at version 3 * @private */ me.chart = me; me.controller = me; // chart.chart.controller #inception // Add the chart instance to the global namespace Chart.instances[me.id] = me; // Define alias to the config data: `chart.data === chart.config.data` Object.defineProperty(me, 'data', { get: function() { return me.config.data; }, set: function(value) { me.config.data = value; } }); if (!context || !canvas) { // The given item is not a compatible context2d element, let's return before finalizing // the chart initialization but after setting basic chart / controller properties that // can help to figure out that the chart is not valid (e.g chart.canvas !== null); // https://github.com/chartjs/Chart.js/issues/2807 console.error("Failed to create chart: can't acquire context from the given item"); return; } me.initialize(); me.update(); }, /** * @private */ initialize: function() { var me = this; // Before init plugin notification plugins.notify(me, 'beforeInit'); helpers.retinaScale(me, me.options.devicePixelRatio); me.bindEvents(); if (me.options.responsive) { // Initial resize before chart draws (must be silent to preserve initial animations). me.resize(true); } // Make sure scales have IDs and are built before we build any controllers. me.ensureScalesHaveIDs(); me.buildOrUpdateScales(); me.initToolTip(); // After init plugin notification plugins.notify(me, 'afterInit'); return me; }, clear: function() { helpers.canvas.clear(this); return this; }, stop: function() { // Stops any current animation loop occurring animations.cancelAnimation(this); return this; }, resize: function(silent) { var me = this; var options = me.options; var canvas = me.canvas; var aspectRatio = (options.maintainAspectRatio && me.aspectRatio) || null; // the canvas render width and height will be casted to integers so make sure that // the canvas display style uses the same integer values to avoid blurring effect. // Set to 0 instead of canvas.size because the size defaults to 300x150 if the element is collapsed var newWidth = Math.max(0, Math.floor(helpers.getMaximumWidth(canvas))); var newHeight = Math.max(0, Math.floor(aspectRatio ? newWidth / aspectRatio : helpers.getMaximumHeight(canvas))); if (me.width === newWidth && me.height === newHeight) { return; } canvas.width = me.width = newWidth; canvas.height = me.height = newHeight; canvas.style.width = newWidth + 'px'; canvas.style.height = newHeight + 'px'; helpers.retinaScale(me, options.devicePixelRatio); if (!silent) { // Notify any plugins about the resize var newSize = {width: newWidth, height: newHeight}; plugins.notify(me, 'resize', [newSize]); // Notify of resize if (me.options.onResize) { me.options.onResize(me, newSize); } me.stop(); me.update({ duration: me.options.responsiveAnimationDuration }); } }, ensureScalesHaveIDs: function() { var options = this.options; var scalesOptions = options.scales || {}; var scaleOptions = options.scale; helpers.each(scalesOptions.xAxes, function(xAxisOptions, index) { xAxisOptions.id = xAxisOptions.id || ('x-axis-' + index); }); helpers.each(scalesOptions.yAxes, function(yAxisOptions, index) { yAxisOptions.id = yAxisOptions.id || ('y-axis-' + index); }); if (scaleOptions) { scaleOptions.id = scaleOptions.id || 'scale'; } }, /** * Builds a map of scale ID to scale object for future lookup. */ buildOrUpdateScales: function() { var me = this; var options = me.options; var scales = me.scales || {}; var items = []; var updated = Object.keys(scales).reduce(function(obj, id) { obj[id] = false; return obj; }, {}); if (options.scales) { items = items.concat( (options.scales.xAxes || []).map(function(xAxisOptions) { return {options: xAxisOptions, dtype: 'category', dposition: 'bottom'}; }), (options.scales.yAxes || []).map(function(yAxisOptions) { return {options: yAxisOptions, dtype: 'linear', dposition: 'left'}; }) ); } if (options.scale) { items.push({ options: options.scale, dtype: 'radialLinear', isDefault: true, dposition: 'chartArea' }); } helpers.each(items, function(item) { var scaleOptions = item.options; var id = scaleOptions.id; var scaleType = helpers.valueOrDefault(scaleOptions.type, item.dtype); if (positionIsHorizontal(scaleOptions.position) !== positionIsHorizontal(item.dposition)) { scaleOptions.position = item.dposition; } updated[id] = true; var scale = null; if (id in scales && scales[id].type === scaleType) { scale = scales[id]; scale.options = scaleOptions; scale.ctx = me.ctx; scale.chart = me; } else { var scaleClass = scaleService.getScaleConstructor(scaleType); if (!scaleClass) { return; } scale = new scaleClass({ id: id, type: scaleType, options: scaleOptions, ctx: me.ctx, chart: me }); scales[scale.id] = scale; } scale.mergeTicksOptions(); // TODO(SB): I think we should be able to remove this custom case (options.scale) // and consider it as a regular scale part of the "scales"" map only! This would // make the logic easier and remove some useless? custom code. if (item.isDefault) { me.scale = scale; } }); // clear up discarded scales helpers.each(updated, function(hasUpdated, id) { if (!hasUpdated) { delete scales[id]; } }); me.scales = scales; scaleService.addScalesToLayout(this); }, buildOrUpdateControllers: function() { var me = this; var types = []; var newControllers = []; helpers.each(me.data.datasets, function(dataset, datasetIndex) { var meta = me.getDatasetMeta(datasetIndex); var type = dataset.type || me.config.type; if (meta.type && meta.type !== type) { me.destroyDatasetMeta(datasetIndex); meta = me.getDatasetMeta(datasetIndex); } meta.type = type; types.push(meta.type); if (meta.controller) { meta.controller.updateIndex(datasetIndex); meta.controller.linkScales(); } else { var ControllerClass = Chart.controllers[meta.type]; if (ControllerClass === undefined) { throw new Error('"' + meta.type + '" is not a chart type.'); } meta.controller = new ControllerClass(me, datasetIndex); newControllers.push(meta.controller); } }, me); return newControllers; }, /** * Reset the elements of all datasets * @private */ resetElements: function() { var me = this; helpers.each(me.data.datasets, function(dataset, datasetIndex) { me.getDatasetMeta(datasetIndex).controller.reset(); }, me); }, /** * Resets the chart back to it's state before the initial animation */ reset: function() { this.resetElements(); this.tooltip.initialize(); }, update: function(config) { var me = this; if (!config || typeof config !== 'object') { // backwards compatibility config = { duration: config, lazy: arguments[1] }; } updateConfig(me); // plugins options references might have change, let's invalidate the cache // https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 plugins._invalidate(me); if (plugins.notify(me, 'beforeUpdate') === false) { return; } // In case the entire data object changed me.tooltip._data = me.data; // Make sure dataset controllers are updated and new controllers are reset var newControllers = me.buildOrUpdateControllers(); // Make sure all dataset controllers have correct meta data counts helpers.each(me.data.datasets, function(dataset, datasetIndex) { me.getDatasetMeta(datasetIndex).controller.buildOrUpdateElements(); }, me); me.updateLayout(); // Can only reset the new controllers after the scales have been updated if (me.options.animation && me.options.animation.duration) { helpers.each(newControllers, function(controller) { controller.reset(); }); } me.updateDatasets(); // Need to reset tooltip in case it is displayed with elements that are removed // after update. me.tooltip.initialize(); // Last active contains items that were previously in the tooltip. // When we reset the tooltip, we need to clear it me.lastActive = []; // Do this before render so that any plugins that need final scale updates can use it plugins.notify(me, 'afterUpdate'); if (me._bufferedRender) { me._bufferedRequest = { duration: config.duration, easing: config.easing, lazy: config.lazy }; } else { me.render(config); } }, /** * Updates the chart layout unless a plugin returns `false` to the `beforeLayout` * hook, in which case, plugins will not be called on `afterLayout`. * @private */ updateLayout: function() { var me = this; if (plugins.notify(me, 'beforeLayout') === false) { return; } layouts.update(this, this.width, this.height); /** * Provided for backward compatibility, use `afterLayout` instead. * @method IPlugin#afterScaleUpdate * @deprecated since version 2.5.0 * @todo remove at version 3 * @private */ plugins.notify(me, 'afterScaleUpdate'); plugins.notify(me, 'afterLayout'); }, /** * Updates all datasets unless a plugin returns `false` to the `beforeDatasetsUpdate` * hook, in which case, plugins will not be called on `afterDatasetsUpdate`. * @private */ updateDatasets: function() { var me = this; if (plugins.notify(me, 'beforeDatasetsUpdate') === false) { return; } for (var i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { me.updateDataset(i); } plugins.notify(me, 'afterDatasetsUpdate'); }, /** * Updates dataset at index unless a plugin returns `false` to the `beforeDatasetUpdate` * hook, in which case, plugins will not be called on `afterDatasetUpdate`. * @private */ updateDataset: function(index) { var me = this; var meta = me.getDatasetMeta(index); var args = { meta: meta, index: index }; if (plugins.notify(me, 'beforeDatasetUpdate', [args]) === false) { return; } meta.controller.update(); plugins.notify(me, 'afterDatasetUpdate', [args]); }, render: function(config) { var me = this; if (!config || typeof config !== 'object') { // backwards compatibility config = { duration: config, lazy: arguments[1] }; } var duration = config.duration; var lazy = config.lazy; if (plugins.notify(me, 'beforeRender') === false) { return; } var animationOptions = me.options.animation; var onComplete = function(animation) { plugins.notify(me, 'afterRender'); helpers.callback(animationOptions && animationOptions.onComplete, [animation], me); }; if (animationOptions && ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration === 'undefined' && animationOptions.duration !== 0))) { var animation = new Animation({ numSteps: (duration || animationOptions.duration) / 16.66, // 60 fps easing: config.easing || animationOptions.easing, render: function(chart, animationObject) { var easingFunction = helpers.easing.effects[animationObject.easing]; var currentStep = animationObject.currentStep; var stepDecimal = currentStep / animationObject.numSteps; chart.draw(easingFunction(stepDecimal), stepDecimal, currentStep); }, onAnimationProgress: animationOptions.onProgress, onAnimationComplete: onComplete }); animations.addAnimation(me, animation, duration, lazy); } else { me.draw(); // See https://github.com/chartjs/Chart.js/issues/3781 onComplete(new Animation({numSteps: 0, chart: me})); } return me; }, draw: function(easingValue) { var me = this; me.clear(); if (helpers.isNullOrUndef(easingValue)) { easingValue = 1; } me.transition(easingValue); if (me.width <= 0 || me.height <= 0) { return; } if (plugins.notify(me, 'beforeDraw', [easingValue]) === false) { return; } // Draw all the scales helpers.each(me.boxes, function(box) { box.draw(me.chartArea); }, me); if (me.scale) { me.scale.draw(); } me.drawDatasets(easingValue); me._drawTooltip(easingValue); plugins.notify(me, 'afterDraw', [easingValue]); }, /** * @private */ transition: function(easingValue) { var me = this; for (var i = 0, ilen = (me.data.datasets || []).length; i < ilen; ++i) { if (me.isDatasetVisible(i)) { me.getDatasetMeta(i).controller.transition(easingValue); } } me.tooltip.transition(easingValue); }, /** * Draws all datasets unless a plugin returns `false` to the `beforeDatasetsDraw` * hook, in which case, plugins will not be called on `afterDatasetsDraw`. * @private */ drawDatasets: function(easingValue) { var me = this; if (plugins.notify(me, 'beforeDatasetsDraw', [easingValue]) === false) { return; } // Draw datasets reversed to support proper line stacking for (var i = (me.data.datasets || []).length - 1; i >= 0; --i) { if (me.isDatasetVisible(i)) { me.drawDataset(i, easingValue); } } plugins.notify(me, 'afterDatasetsDraw', [easingValue]); }, /** * Draws dataset at index unless a plugin returns `false` to the `beforeDatasetDraw` * hook, in which case, plugins will not be called on `afterDatasetDraw`. * @private */ drawDataset: function(index, easingValue) { var me = this; var meta = me.getDatasetMeta(index); var args = { meta: meta, index: index, easingValue: easingValue }; if (plugins.notify(me, 'beforeDatasetDraw', [args]) === false) { return; } meta.controller.draw(easingValue); plugins.notify(me, 'afterDatasetDraw', [args]); }, /** * Draws tooltip unless a plugin returns `false` to the `beforeTooltipDraw` * hook, in which case, plugins will not be called on `afterTooltipDraw`. * @private */ _drawTooltip: function(easingValue) { var me = this; var tooltip = me.tooltip; var args = { tooltip: tooltip, easingValue: easingValue }; if (plugins.notify(me, 'beforeTooltipDraw', [args]) === false) { return; } tooltip.draw(); plugins.notify(me, 'afterTooltipDraw', [args]); }, // Get the single element that was clicked on // @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw getElementAtEvent: function(e) { return Interaction.modes.single(this, e); }, getElementsAtEvent: function(e) { return Interaction.modes.label(this, e, {intersect: true}); }, getElementsAtXAxis: function(e) { return Interaction.modes['x-axis'](this, e, {intersect: true}); }, getElementsAtEventForMode: function(e, mode, options) { var method = Interaction.modes[mode]; if (typeof method === 'function') { return method(this, e, options); } return []; }, getDatasetAtEvent: function(e) { return Interaction.modes.dataset(this, e, {intersect: true}); }, getDatasetMeta: function(datasetIndex) { var me = this; var dataset = me.data.datasets[datasetIndex]; if (!dataset._meta) { dataset._meta = {}; } var meta = dataset._meta[me.id]; if (!meta) { meta = dataset._meta[me.id] = { type: null, data: [], dataset: null, controller: null, hidden: null, // See isDatasetVisible() comment xAxisID: null, yAxisID: null }; } return meta; }, getVisibleDatasetCount: function() { var count = 0; for (var i = 0, ilen = this.data.datasets.length; i < ilen; ++i) { if (this.isDatasetVisible(i)) { count++; } } return count; }, isDatasetVisible: function(datasetIndex) { var meta = this.getDatasetMeta(datasetIndex); // meta.hidden is a per chart dataset hidden flag override with 3 states: if true or false, // the dataset.hidden value is ignored, else if null, the dataset hidden state is returned. return typeof meta.hidden === 'boolean' ? !meta.hidden : !this.data.datasets[datasetIndex].hidden; }, generateLegend: function() { return this.options.legendCallback(this); }, /** * @private */ destroyDatasetMeta: function(datasetIndex) { var id = this.id; var dataset = this.data.datasets[datasetIndex]; var meta = dataset._meta && dataset._meta[id]; if (meta) { meta.controller.destroy(); delete dataset._meta[id]; } }, destroy: function() { var me = this; var canvas = me.canvas; var i, ilen; me.stop(); // dataset controllers need to cleanup associated data for (i = 0, ilen = me.data.datasets.length; i < ilen; ++i) { me.destroyDatasetMeta(i); } if (canvas) { me.unbindEvents(); helpers.canvas.clear(me); platform.releaseContext(me.ctx); me.canvas = null; me.ctx = null; } plugins.notify(me, 'destroy'); delete Chart.instances[me.id]; }, toBase64Image: function() { return this.canvas.toDataURL.apply(this.canvas, arguments); }, initToolTip: function() { var me = this; me.tooltip = new Tooltip({ _chart: me, _chartInstance: me, // deprecated, backward compatibility _data: me.data, _options: me.options.tooltips }, me); }, /** * @private */ bindEvents: function() { var me = this; var listeners = me._listeners = {}; var listener = function() { me.eventHandler.apply(me, arguments); }; helpers.each(me.options.events, function(type) { platform.addEventListener(me, type, listener); listeners[type] = listener; }); // Elements used to detect size change should not be injected for non responsive charts. // See https://github.com/chartjs/Chart.js/issues/2210 if (me.options.responsive) { listener = function() { me.resize(); }; platform.addEventListener(me, 'resize', listener); listeners.resize = listener; } }, /** * @private */ unbindEvents: function() { var me = this; var listeners = me._listeners; if (!listeners) { return; } delete me._listeners; helpers.each(listeners, function(listener, type) { platform.removeEventListener(me, type, listener); }); }, updateHoverStyle: function(elements, mode, enabled) { var method = enabled ? 'setHoverStyle' : 'removeHoverStyle'; var element, i, ilen; for (i = 0, ilen = elements.length; i < ilen; ++i) { element = elements[i]; if (element) { this.getDatasetMeta(element._datasetIndex).controller[method](element); } } }, /** * @private */ eventHandler: function(e) { var me = this; var tooltip = me.tooltip; if (plugins.notify(me, 'beforeEvent', [e]) === false) { return; } // Buffer any update calls so that renders do not occur me._bufferedRender = true; me._bufferedRequest = null; var changed = me.handleEvent(e); // for smooth tooltip animations issue #4989 // the tooltip should be the source of change // Animation check workaround: // tooltip._start will be null when tooltip isn't animating if (tooltip) { changed = tooltip._start ? tooltip.handleEvent(e) : changed | tooltip.handleEvent(e); } plugins.notify(me, 'afterEvent', [e]); var bufferedRequest = me._bufferedRequest; if (bufferedRequest) { // If we have an update that was triggered, we need to do a normal render me.render(bufferedRequest); } else if (changed && !me.animating) { // If entering, leaving, or changing elements, animate the change via pivot me.stop(); // We only need to render at this point. Updating will cause scales to be // recomputed generating flicker & using more memory than necessary. me.render({ duration: me.options.hover.animationDuration, lazy: true }); } me._bufferedRender = false; me._bufferedRequest = null; return me; }, /** * Handle an event * @private * @param {IEvent} event the event to handle * @return {Boolean} true if the chart needs to re-render */ handleEvent: function(e) { var me = this; var options = me.options || {}; var hoverOptions = options.hover; var changed = false; me.lastActive = me.lastActive || []; // Find Active Elements for hover and tooltips if (e.type === 'mouseout') { me.active = []; } else { me.active = me.getElementsAtEventForMode(e, hoverOptions.mode, hoverOptions); } // Invoke onHover hook // Need to call with native event here to not break backwards compatibility helpers.callback(options.onHover || options.hover.onHover, [e.native, me.active], me); if (e.type === 'mouseup' || e.type === 'click') { if (options.onClick) { // Use e.native here for backwards compatibility options.onClick.call(me, e.native, me.active); } } // Remove styling for last active (even if it may still be active) if (me.lastActive.length) { me.updateHoverStyle(me.lastActive, hoverOptions.mode, false); } // Built in hover styling if (me.active.length && hoverOptions.mode) { me.updateHoverStyle(me.active, hoverOptions.mode, true); } changed = !helpers.arrayEquals(me.active, me.lastActive); // Remember Last Actives me.lastActive = me.active; return changed; } }); /** * Provided for backward compatibility, use Chart instead. * @class Chart.Controller * @deprecated since version 2.6.0 * @todo remove at version 3 * @private */ Chart.Controller = Chart; }; },{"22":22,"23":23,"26":26,"29":29,"31":31,"32":32,"34":34,"36":36,"46":46,"49":49}],25:[function(require,module,exports){ 'use strict'; var helpers = require(46); module.exports = function(Chart) { var arrayEvents = ['push', 'pop', 'shift', 'splice', 'unshift']; /** * Hooks the array methods that add or remove values ('push', pop', 'shift', 'splice', * 'unshift') and notify the listener AFTER the array has been altered. Listeners are * called on the 'onData*' callbacks (e.g. onDataPush, etc.) with same arguments. */ function listenArrayEvents(array, listener) { if (array._chartjs) { array._chartjs.listeners.push(listener); return; } Object.defineProperty(array, '_chartjs', { configurable: true, enumerable: false, value: { listeners: [listener] } }); arrayEvents.forEach(function(key) { var method = 'onData' + key.charAt(0).toUpperCase() + key.slice(1); var base = array[key]; Object.defineProperty(array, key, { configurable: true, enumerable: false, value: function() { var args = Array.prototype.slice.call(arguments); var res = base.apply(this, args); helpers.each(array._chartjs.listeners, function(object) { if (typeof object[method] === 'function') { object[method].apply(object, args); } }); return res; } }); }); } /** * Removes the given array event listener and cleanup extra attached properties (such as * the _chartjs stub and overridden methods) if array doesn't have any more listeners. */ function unlistenArrayEvents(array, listener) { var stub = array._chartjs; if (!stub) { return; } var listeners = stub.listeners; var index = listeners.indexOf(listener); if (index !== -1) { listeners.splice(index, 1); } if (listeners.length > 0) { return; } arrayEvents.forEach(function(key) { delete array[key]; }); delete array._chartjs; } // Base class for all dataset controllers (line, bar, etc) Chart.DatasetController = function(chart, datasetIndex) { this.initialize(chart, datasetIndex); }; helpers.extend(Chart.DatasetController.prototype, { /** * Element type used to generate a meta dataset (e.g. Chart.element.Line). * @type {Chart.core.element} */ datasetElementType: null, /** * Element type used to generate a meta data (e.g. Chart.element.Point). * @type {Chart.core.element} */ dataElementType: null, initialize: function(chart, datasetIndex) { var me = this; me.chart = chart; me.index = datasetIndex; me.linkScales(); me.addElements(); }, updateIndex: function(datasetIndex) { this.index = datasetIndex; }, linkScales: function() { var me = this; var meta = me.getMeta(); var dataset = me.getDataset(); if (meta.xAxisID === null || !(meta.xAxisID in me.chart.scales)) { meta.xAxisID = dataset.xAxisID || me.chart.options.scales.xAxes[0].id; } if (meta.yAxisID === null || !(meta.yAxisID in me.chart.scales)) { meta.yAxisID = dataset.yAxisID || me.chart.options.scales.yAxes[0].id; } }, getDataset: function() { return this.chart.data.datasets[this.index]; }, getMeta: function() { return this.chart.getDatasetMeta(this.index); }, getScaleForId: function(scaleID) { return this.chart.scales[scaleID]; }, reset: function() { this.update(true); }, /** * @private */ destroy: function() { if (this._data) { unlistenArrayEvents(this._data, this); } }, createMetaDataset: function() { var me = this; var type = me.datasetElementType; return type && new type({ _chart: me.chart, _datasetIndex: me.index }); }, createMetaData: function(index) { var me = this; var type = me.dataElementType; return type && new type({ _chart: me.chart, _datasetIndex: me.index, _index: index }); }, addElements: function() { var me = this; var meta = me.getMeta(); var data = me.getDataset().data || []; var metaData = meta.data; var i, ilen; for (i = 0, ilen = data.length; i < ilen; ++i) { metaData[i] = metaData[i] || me.createMetaData(i); } meta.dataset = meta.dataset || me.createMetaDataset(); }, addElementAndReset: function(index) { var element = this.createMetaData(index); this.getMeta().data.splice(index, 0, element); this.updateElement(element, index, true); }, buildOrUpdateElements: function() { var me = this; var dataset = me.getDataset(); var data = dataset.data || (dataset.data = []); // In order to correctly handle data addition/deletion animation (an thus simulate // real-time charts), we need to monitor these data modifications and synchronize // the internal meta data accordingly. if (me._data !== data) { if (me._data) { // This case happens when the user replaced the data array instance. unlistenArrayEvents(me._data, me); } listenArrayEvents(data, me); me._data = data; } // Re-sync meta data in case the user replaced the data array or if we missed // any updates and so make sure that we handle number of datapoints changing. me.resyncElements(); }, update: helpers.noop, transition: function(easingValue) { var meta = this.getMeta(); var elements = meta.data || []; var ilen = elements.length; var i = 0; for (; i < ilen; ++i) { elements[i].transition(easingValue); } if (meta.dataset) { meta.dataset.transition(easingValue); } }, draw: function() { var meta = this.getMeta(); var elements = meta.data || []; var ilen = elements.length; var i = 0; if (meta.dataset) { meta.dataset.draw(); } for (; i < ilen; ++i) { elements[i].draw(); } }, removeHoverStyle: function(element) { helpers.merge(element._model, element.$previousStyle || {}); delete element.$previousStyle; }, setHoverStyle: function(element) { var dataset = this.chart.data.datasets[element._datasetIndex]; var index = element._index; var custom = element.custom || {}; var valueOrDefault = helpers.valueAtIndexOrDefault; var getHoverColor = helpers.getHoverColor; var model = element._model; element.$previousStyle = { backgroundColor: model.backgroundColor, borderColor: model.borderColor, borderWidth: model.borderWidth }; model.backgroundColor = custom.hoverBackgroundColor ? custom.hoverBackgroundColor : valueOrDefault(dataset.hoverBackgroundColor, index, getHoverColor(model.backgroundColor)); model.borderColor = custom.hoverBorderColor ? custom.hoverBorderColor : valueOrDefault(dataset.hoverBorderColor, index, getHoverColor(model.borderColor)); model.borderWidth = custom.hoverBorderWidth ? custom.hoverBorderWidth : valueOrDefault(dataset.hoverBorderWidth, index, model.borderWidth); }, /** * @private */ resyncElements: function() { var me = this; var meta = me.getMeta(); var data = me.getDataset().data; var numMeta = meta.data.length; var numData = data.length; if (numData < numMeta) { meta.data.splice(numData, numMeta - numData); } else if (numData > numMeta) { me.insertElements(numMeta, numData - numMeta); } }, /** * @private */ insertElements: function(start, count) { for (var i = 0; i < count; ++i) { this.addElementAndReset(start + i); } }, /** * @private */ onDataPush: function() { this.insertElements(this.getDataset().data.length - 1, arguments.length); }, /** * @private */ onDataPop: function() { this.getMeta().data.pop(); }, /** * @private */ onDataShift: function() { this.getMeta().data.shift(); }, /** * @private */ onDataSplice: function(start, count) { this.getMeta().data.splice(start, count); this.insertElements(start, arguments.length - 2); }, /** * @private */ onDataUnshift: function() { this.insertElements(0, arguments.length); } }); Chart.DatasetController.extend = helpers.inherits; }; },{"46":46}],26:[function(require,module,exports){ 'use strict'; var helpers = require(46); module.exports = { /** * @private */ _set: function(scope, values) { return helpers.merge(this[scope] || (this[scope] = {}), values); } }; },{"46":46}],27:[function(require,module,exports){ 'use strict'; var color = require(3); var helpers = require(46); function interpolate(start, view, model, ease) { var keys = Object.keys(model); var i, ilen, key, actual, origin, target, type, c0, c1; for (i = 0, ilen = keys.length; i < ilen; ++i) { key = keys[i]; target = model[key]; // if a value is added to the model after pivot() has been called, the view // doesn't contain it, so let's initialize the view to the target value. if (!view.hasOwnProperty(key)) { view[key] = target; } actual = view[key]; if (actual === target || key[0] === '_') { continue; } if (!start.hasOwnProperty(key)) { start[key] = actual; } origin = start[key]; type = typeof target; if (type === typeof origin) { if (type === 'string') { c0 = color(origin); if (c0.valid) { c1 = color(target); if (c1.valid) { view[key] = c1.mix(c0, ease).rgbString(); continue; } } } else if (type === 'number' && isFinite(origin) && isFinite(target)) { view[key] = origin + (target - origin) * ease; continue; } } view[key] = target; } } var Element = function(configuration) { helpers.extend(this, configuration); this.initialize.apply(this, arguments); }; helpers.extend(Element.prototype, { initialize: function() { this.hidden = false; }, pivot: function() { var me = this; if (!me._view) { me._view = helpers.clone(me._model); } me._start = {}; return me; }, transition: function(ease) { var me = this; var model = me._model; var start = me._start; var view = me._view; // No animation -> No Transition if (!model || ease === 1) { me._view = model; me._start = null; return me; } if (!view) { view = me._view = {}; } if (!start) { start = me._start = {}; } interpolate(start, view, model, ease); return me; }, tooltipPosition: function() { return { x: this._model.x, y: this._model.y }; }, hasValue: function() { return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y); } }); Element.extend = helpers.inherits; module.exports = Element; },{"3":3,"46":46}],28:[function(require,module,exports){ /* global window: false */ /* global document: false */ 'use strict'; var color = require(3); var defaults = require(26); var helpers = require(46); var scaleService = require(34); module.exports = function() { // -- Basic js utility methods helpers.configMerge = function(/* objects ... */) { return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { merger: function(key, target, source, options) { var tval = target[key] || {}; var sval = source[key]; if (key === 'scales') { // scale config merging is complex. Add our own function here for that target[key] = helpers.scaleMerge(tval, sval); } else if (key === 'scale') { // used in polar area & radar charts since there is only one scale target[key] = helpers.merge(tval, [scaleService.getScaleDefaults(sval.type), sval]); } else { helpers._merger(key, target, source, options); } } }); }; helpers.scaleMerge = function(/* objects ... */) { return helpers.merge(helpers.clone(arguments[0]), [].slice.call(arguments, 1), { merger: function(key, target, source, options) { if (key === 'xAxes' || key === 'yAxes') { var slen = source[key].length; var i, type, scale; if (!target[key]) { target[key] = []; } for (i = 0; i < slen; ++i) { scale = source[key][i]; type = helpers.valueOrDefault(scale.type, key === 'xAxes' ? 'category' : 'linear'); if (i >= target[key].length) { target[key].push({}); } if (!target[key][i].type || (scale.type && scale.type !== target[key][i].type)) { // new/untyped scale or type changed: let's apply the new defaults // then merge source scale to correctly overwrite the defaults. helpers.merge(target[key][i], [scaleService.getScaleDefaults(type), scale]); } else { // scales type are the same helpers.merge(target[key][i], scale); } } } else { helpers._merger(key, target, source, options); } } }); }; helpers.where = function(collection, filterCallback) { if (helpers.isArray(collection) && Array.prototype.filter) { return collection.filter(filterCallback); } var filtered = []; helpers.each(collection, function(item) { if (filterCallback(item)) { filtered.push(item); } }); return filtered; }; helpers.findIndex = Array.prototype.findIndex ? function(array, callback, scope) { return array.findIndex(callback, scope); } : function(array, callback, scope) { scope = scope === undefined ? array : scope; for (var i = 0, ilen = array.length; i < ilen; ++i) { if (callback.call(scope, array[i], i, array)) { return i; } } return -1; }; helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) { // Default to start of the array if (helpers.isNullOrUndef(startIndex)) { 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 (helpers.isNullOrUndef(startIndex)) { startIndex = arrayToSearch.length; } for (var i = startIndex - 1; i >= 0; i--) { var currentItem = arrayToSearch[i]; if (filterCallback(currentItem)) { return currentItem; } } }; // -- Math methods helpers.isNumber = function(n) { return !isNaN(parseFloat(n)) && isFinite(n); }; helpers.almostEquals = function(x, y, epsilon) { return Math.abs(x - y) < epsilon; }; helpers.almostWhole = function(x, epsilon) { var rounded = Math.round(x); return (((rounded - epsilon) < x) && ((rounded + epsilon) > x)); }; helpers.max = function(array) { return array.reduce(function(max, value) { if (!isNaN(value)) { return Math.max(max, value); } return max; }, Number.NEGATIVE_INFINITY); }; helpers.min = function(array) { return array.reduce(function(min, value) { if (!isNaN(value)) { return Math.min(min, value); } return min; }, Number.POSITIVE_INFINITY); }; helpers.sign = Math.sign ? function(x) { return Math.sign(x); } : function(x) { x = +x; // convert to a number if (x === 0 || isNaN(x)) { return x; } return x > 0 ? 1 : -1; }; helpers.log10 = Math.log10 ? function(x) { return Math.log10(x); } : function(x) { var exponent = Math.log(x) * Math.LOG10E; // Math.LOG10E = 1 / Math.LN10. // Check for whole powers of 10, // which due to floating point rounding error should be corrected. var powerOf10 = Math.round(exponent); var isPowerOf10 = x === Math.pow(10, powerOf10); return isPowerOf10 ? powerOf10 : exponent; }; 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; var distanceFromYCenter = anglePoint.y - centrePoint.y; var radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter); var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter); if (angle < (-0.5 * Math.PI)) { angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2] } return { angle: angle, distance: radialDistanceFromCenter }; }; helpers.distanceBetweenPoints = function(pt1, pt2) { return Math.sqrt(Math.pow(pt2.x - pt1.x, 2) + Math.pow(pt2.y - pt1.y, 2)); }; helpers.aliasPixel = function(pixelWidth) { return (pixelWidth % 2 === 0) ? 0 : 0.5; }; helpers.splineCurve = function(firstPoint, middlePoint, afterPoint, t) { // Props to Rob Spencer at scaled innovation for his post on splining between points // http://scaledinnovation.com/analytics/splines/aboutSplines.html // This function must also respect "skipped" points var previous = firstPoint.skip ? middlePoint : firstPoint; var current = middlePoint; var next = afterPoint.skip ? middlePoint : afterPoint; var d01 = Math.sqrt(Math.pow(current.x - previous.x, 2) + Math.pow(current.y - previous.y, 2)); var d12 = Math.sqrt(Math.pow(next.x - current.x, 2) + Math.pow(next.y - current.y, 2)); var s01 = d01 / (d01 + d12); var s12 = d12 / (d01 + d12); // If all points are the same, s01 & s02 will be inf s01 = isNaN(s01) ? 0 : s01; s12 = isNaN(s12) ? 0 : s12; var fa = t * s01; // scaling factor for triangle Ta var fb = t * s12; return { previous: { x: current.x - fa * (next.x - previous.x), y: current.y - fa * (next.y - previous.y) }, next: { x: current.x + fb * (next.x - previous.x), y: current.y + fb * (next.y - previous.y) } }; }; helpers.EPSILON = Number.EPSILON || 1e-14; helpers.splineCurveMonotone = function(points) { // This function calculates Bézier control points in a similar way than |splineCurve|, // but preserves monotonicity of the provided data and ensures no local extremums are added // between the dataset discrete points due to the interpolation. // See : https://en.wikipedia.org/wiki/Monotone_cubic_interpolation var pointsWithTangents = (points || []).map(function(point) { return { model: point._model, deltaK: 0, mK: 0 }; }); // Calculate slopes (deltaK) and initialize tangents (mK) var pointsLen = pointsWithTangents.length; var i, pointBefore, pointCurrent, pointAfter; for (i = 0; i < pointsLen; ++i) { pointCurrent = pointsWithTangents[i]; if (pointCurrent.model.skip) { continue; } pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; if (pointAfter && !pointAfter.model.skip) { var slopeDeltaX = (pointAfter.model.x - pointCurrent.model.x); // In the case of two points that appear at the same x pixel, slopeDeltaX is 0 pointCurrent.deltaK = slopeDeltaX !== 0 ? (pointAfter.model.y - pointCurrent.model.y) / slopeDeltaX : 0; } if (!pointBefore || pointBefore.model.skip) { pointCurrent.mK = pointCurrent.deltaK; } else if (!pointAfter || pointAfter.model.skip) { pointCurrent.mK = pointBefore.deltaK; } else if (this.sign(pointBefore.deltaK) !== this.sign(pointCurrent.deltaK)) { pointCurrent.mK = 0; } else { pointCurrent.mK = (pointBefore.deltaK + pointCurrent.deltaK) / 2; } } // Adjust tangents to ensure monotonic properties var alphaK, betaK, tauK, squaredMagnitude; for (i = 0; i < pointsLen - 1; ++i) { pointCurrent = pointsWithTangents[i]; pointAfter = pointsWithTangents[i + 1]; if (pointCurrent.model.skip || pointAfter.model.skip) { continue; } if (helpers.almostEquals(pointCurrent.deltaK, 0, this.EPSILON)) { pointCurrent.mK = pointAfter.mK = 0; continue; } alphaK = pointCurrent.mK / pointCurrent.deltaK; betaK = pointAfter.mK / pointCurrent.deltaK; squaredMagnitude = Math.pow(alphaK, 2) + Math.pow(betaK, 2); if (squaredMagnitude <= 9) { continue; } tauK = 3 / Math.sqrt(squaredMagnitude); pointCurrent.mK = alphaK * tauK * pointCurrent.deltaK; pointAfter.mK = betaK * tauK * pointCurrent.deltaK; } // Compute control points var deltaX; for (i = 0; i < pointsLen; ++i) { pointCurrent = pointsWithTangents[i]; if (pointCurrent.model.skip) { continue; } pointBefore = i > 0 ? pointsWithTangents[i - 1] : null; pointAfter = i < pointsLen - 1 ? pointsWithTangents[i + 1] : null; if (pointBefore && !pointBefore.model.skip) { deltaX = (pointCurrent.model.x - pointBefore.model.x) / 3; pointCurrent.model.controlPointPreviousX = pointCurrent.model.x - deltaX; pointCurrent.model.controlPointPreviousY = pointCurrent.model.y - deltaX * pointCurrent.mK; } if (pointAfter && !pointAfter.model.skip) { deltaX = (pointAfter.model.x - pointCurrent.model.x) / 3; pointCurrent.model.controlPointNextX = pointCurrent.model.x + deltaX; pointCurrent.model.controlPointNextY = pointCurrent.model.y + deltaX * pointCurrent.mK; } } }; helpers.nextItem = function(collection, index, loop) { if (loop) { return index >= collection.length - 1 ? collection[0] : collection[index + 1]; } return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1]; }; helpers.previousItem = function(collection, index, loop) { if (loop) { return index <= 0 ? collection[collection.length - 1] : collection[index - 1]; } return index <= 0 ? collection[0] : collection[index - 1]; }; // Implementation of the nice number algorithm used in determining where axis labels will go helpers.niceNum = function(range, round) { var exponent = Math.floor(helpers.log10(range)); var fraction = range / Math.pow(10, exponent); var niceFraction; if (round) { if (fraction < 1.5) { niceFraction = 1; } else if (fraction < 3) { niceFraction = 2; } else if (fraction < 7) { niceFraction = 5; } else { niceFraction = 10; } } else if (fraction <= 1.0) { niceFraction = 1; } else if (fraction <= 2) { niceFraction = 2; } else if (fraction <= 5) { niceFraction = 5; } else { niceFraction = 10; } return niceFraction * Math.pow(10, exponent); }; // Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/ helpers.requestAnimFrame = (function() { if (typeof window === 'undefined') { return function(callback) { callback(); }; } return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { return window.setTimeout(callback, 1000 / 60); }; }()); // -- DOM methods helpers.getRelativePosition = function(evt, chart) { var mouseX, mouseY; var e = evt.originalEvent || evt; var canvas = evt.target || evt.srcElement; var boundingRect = canvas.getBoundingClientRect(); var touches = e.touches; if (touches && touches.length > 0) { mouseX = touches[0].clientX; mouseY = touches[0].clientY; } else { mouseX = e.clientX; mouseY = e.clientY; } // Scale mouse coordinates into canvas coordinates // by following the pattern laid out by 'jerryj' in the comments of // http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/ var paddingLeft = parseFloat(helpers.getStyle(canvas, 'padding-left')); var paddingTop = parseFloat(helpers.getStyle(canvas, 'padding-top')); var paddingRight = parseFloat(helpers.getStyle(canvas, 'padding-right')); var paddingBottom = parseFloat(helpers.getStyle(canvas, 'padding-bottom')); var width = boundingRect.right - boundingRect.left - paddingLeft - paddingRight; var height = boundingRect.bottom - boundingRect.top - paddingTop - paddingBottom; // We divide by the current device pixel ratio, because the canvas is scaled up by that amount in each direction. However // the backend model is in unscaled coordinates. Since we are going to deal with our model coordinates, we go back here mouseX = Math.round((mouseX - boundingRect.left - paddingLeft) / (width) * canvas.width / chart.currentDevicePixelRatio); mouseY = Math.round((mouseY - boundingRect.top - paddingTop) / (height) * canvas.height / chart.currentDevicePixelRatio); return { x: mouseX, y: mouseY }; }; // Private helper function to convert max-width/max-height values that may be percentages into a number function parseMaxStyle(styleValue, node, parentProperty) { var valueInPixels; if (typeof styleValue === 'string') { valueInPixels = parseInt(styleValue, 10); if (styleValue.indexOf('%') !== -1) { // percentage * size in dimension valueInPixels = valueInPixels / 100 * node.parentNode[parentProperty]; } } else { valueInPixels = styleValue; } return valueInPixels; } /** * Returns if the given value contains an effective constraint. * @private */ function isConstrainedValue(value) { return value !== undefined && value !== null && value !== 'none'; } // Private helper to get a constraint dimension // @param domNode : the node to check the constraint on // @param maxStyle : the style that defines the maximum for the direction we are using (maxWidth / maxHeight) // @param percentageProperty : property of parent to use when calculating width as a percentage // @see http://www.nathanaeljones.com/blog/2013/reading-max-width-cross-browser function getConstraintDimension(domNode, maxStyle, percentageProperty) { var view = document.defaultView; var parentNode = helpers._getParentNode(domNode); var constrainedNode = view.getComputedStyle(domNode)[maxStyle]; var constrainedContainer = view.getComputedStyle(parentNode)[maxStyle]; var hasCNode = isConstrainedValue(constrainedNode); var hasCContainer = isConstrainedValue(constrainedContainer); var infinity = Number.POSITIVE_INFINITY; if (hasCNode || hasCContainer) { return Math.min( hasCNode ? parseMaxStyle(constrainedNode, domNode, percentageProperty) : infinity, hasCContainer ? parseMaxStyle(constrainedContainer, parentNode, percentageProperty) : infinity); } return 'none'; } // returns Number or undefined if no constraint helpers.getConstraintWidth = function(domNode) { return getConstraintDimension(domNode, 'max-width', 'clientWidth'); }; // returns Number or undefined if no constraint helpers.getConstraintHeight = function(domNode) { return getConstraintDimension(domNode, 'max-height', 'clientHeight'); }; /** * @private */ helpers._calculatePadding = function(container, padding, parentDimension) { padding = helpers.getStyle(container, padding); return padding.indexOf('%') > -1 ? parentDimension / parseInt(padding, 10) : parseInt(padding, 10); }; /** * @private */ helpers._getParentNode = function(domNode) { var parent = domNode.parentNode; if (parent && parent.host) { parent = parent.host; } return parent; }; helpers.getMaximumWidth = function(domNode) { var container = helpers._getParentNode(domNode); if (!container) { return domNode.clientWidth; } var clientWidth = container.clientWidth; var paddingLeft = helpers._calculatePadding(container, 'padding-left', clientWidth); var paddingRight = helpers._calculatePadding(container, 'padding-right', clientWidth); var w = clientWidth - paddingLeft - paddingRight; var cw = helpers.getConstraintWidth(domNode); return isNaN(cw) ? w : Math.min(w, cw); }; helpers.getMaximumHeight = function(domNode) { var container = helpers._getParentNode(domNode); if (!container) { return domNode.clientHeight; } var clientHeight = container.clientHeight; var paddingTop = helpers._calculatePadding(container, 'padding-top', clientHeight); var paddingBottom = helpers._calculatePadding(container, 'padding-bottom', clientHeight); var h = clientHeight - paddingTop - paddingBottom; var ch = helpers.getConstraintHeight(domNode); return isNaN(ch) ? h : Math.min(h, ch); }; helpers.getStyle = function(el, property) { return el.currentStyle ? el.currentStyle[property] : document.defaultView.getComputedStyle(el, null).getPropertyValue(property); }; helpers.retinaScale = function(chart, forceRatio) { var pixelRatio = chart.currentDevicePixelRatio = forceRatio || (typeof window !== 'undefined' && window.devicePixelRatio) || 1; if (pixelRatio === 1) { return; } var canvas = chart.canvas; var height = chart.height; var width = chart.width; canvas.height = height * pixelRatio; canvas.width = width * pixelRatio; chart.ctx.scale(pixelRatio, pixelRatio); // If no style has been set on the canvas, the render size is used as display size, // making the chart visually bigger, so let's enforce it to the "correct" values. // See https://github.com/chartjs/Chart.js/issues/3575 if (!canvas.style.height && !canvas.style.width) { canvas.style.height = height + 'px'; canvas.style.width = width + 'px'; } }; // -- Canvas methods helpers.fontString = function(pixelSize, fontStyle, fontFamily) { return fontStyle + ' ' + pixelSize + 'px ' + fontFamily; }; helpers.longestText = function(ctx, font, arrayOfThings, cache) { cache = cache || {}; var data = cache.data = cache.data || {}; var gc = cache.garbageCollect = cache.garbageCollect || []; if (cache.font !== font) { data = cache.data = {}; gc = cache.garbageCollect = []; cache.font = font; } ctx.font = font; var longest = 0; helpers.each(arrayOfThings, function(thing) { // Undefined strings and arrays should not be measured if (thing !== undefined && thing !== null && helpers.isArray(thing) !== true) { longest = helpers.measureText(ctx, data, gc, longest, thing); } else if (helpers.isArray(thing)) { // if it is an array lets measure each element // to do maybe simplify this function a bit so we can do this more recursively? helpers.each(thing, function(nestedThing) { // Undefined strings and arrays should not be measured if (nestedThing !== undefined && nestedThing !== null && !helpers.isArray(nestedThing)) { longest = helpers.measureText(ctx, data, gc, longest, nestedThing); } }); } }); var gcLen = gc.length / 2; if (gcLen > arrayOfThings.length) { for (var i = 0; i < gcLen; i++) { delete data[gc[i]]; } gc.splice(0, gcLen); } return longest; }; helpers.measureText = function(ctx, data, gc, longest, string) { var textWidth = data[string]; if (!textWidth) { textWidth = data[string] = ctx.measureText(string).width; gc.push(string); } if (textWidth > longest) { longest = textWidth; } return longest; }; helpers.numberOfLabelLines = function(arrayOfThings) { var numberOfLines = 1; helpers.each(arrayOfThings, function(thing) { if (helpers.isArray(thing)) { if (thing.length > numberOfLines) { numberOfLines = thing.length; } } }); return numberOfLines; }; helpers.color = !color ? function(value) { console.error('Color.js not found!'); return value; } : function(value) { /* global CanvasGradient */ if (value instanceof CanvasGradient) { value = defaults.global.defaultColor; } return color(value); }; helpers.getHoverColor = function(colorValue) { /* global CanvasPattern */ return (colorValue instanceof CanvasPattern) ? colorValue : helpers.color(colorValue).saturate(0.5).darken(0.1).rgbString(); }; }; },{"26":26,"3":3,"34":34,"46":46}],29:[function(require,module,exports){ 'use strict'; var helpers = require(46); /** * Helper function to get relative position for an event * @param {Event|IEvent} event - The event to get the position for * @param {Chart} chart - The chart * @returns {Point} the event position */ function getRelativePosition(e, chart) { if (e.native) { return { x: e.x, y: e.y }; } return helpers.getRelativePosition(e, chart); } /** * Helper function to traverse all of the visible elements in the chart * @param chart {chart} the chart * @param handler {Function} the callback to execute for each visible item */ function parseVisibleItems(chart, handler) { var datasets = chart.data.datasets; var meta, i, j, ilen, jlen; for (i = 0, ilen = datasets.length; i < ilen; ++i) { if (!chart.isDatasetVisible(i)) { continue; } meta = chart.getDatasetMeta(i); for (j = 0, jlen = meta.data.length; j < jlen; ++j) { var element = meta.data[j]; if (!element._view.skip) { handler(element); } } } } /** * Helper function to get the items that intersect the event position * @param items {ChartElement[]} elements to filter * @param position {Point} the point to be nearest to * @return {ChartElement[]} the nearest items */ function getIntersectItems(chart, position) { var elements = []; parseVisibleItems(chart, function(element) { if (element.inRange(position.x, position.y)) { elements.push(element); } }); return elements; } /** * Helper function to get the items nearest to the event position considering all visible items in teh chart * @param chart {Chart} the chart to look at elements from * @param position {Point} the point to be nearest to * @param intersect {Boolean} if true, only consider items that intersect the position * @param distanceMetric {Function} function to provide the distance between points * @return {ChartElement[]} the nearest items */ function getNearestItems(chart, position, intersect, distanceMetric) { var minDistance = Number.POSITIVE_INFINITY; var nearestItems = []; parseVisibleItems(chart, function(element) { if (intersect && !element.inRange(position.x, position.y)) { return; } var center = element.getCenterPoint(); var distance = distanceMetric(position, center); if (distance < minDistance) { nearestItems = [element]; minDistance = distance; } else if (distance === minDistance) { // Can have multiple items at the same distance in which case we sort by size nearestItems.push(element); } }); return nearestItems; } /** * Get a distance metric function for two points based on the * axis mode setting * @param {String} axis the axis mode. x|y|xy */ function getDistanceMetricForAxis(axis) { var useX = axis.indexOf('x') !== -1; var useY = axis.indexOf('y') !== -1; return function(pt1, pt2) { var deltaX = useX ? Math.abs(pt1.x - pt2.x) : 0; var deltaY = useY ? Math.abs(pt1.y - pt2.y) : 0; return Math.sqrt(Math.pow(deltaX, 2) + Math.pow(deltaY, 2)); }; } function indexMode(chart, e, options) { var position = getRelativePosition(e, chart); // Default axis for index mode is 'x' to match old behaviour options.axis = options.axis || 'x'; var distanceMetric = getDistanceMetricForAxis(options.axis); var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); var elements = []; if (!items.length) { return []; } chart.data.datasets.forEach(function(dataset, datasetIndex) { if (chart.isDatasetVisible(datasetIndex)) { var meta = chart.getDatasetMeta(datasetIndex); var element = meta.data[items[0]._index]; // don't count items that are skipped (null data) if (element && !element._view.skip) { elements.push(element); } } }); return elements; } /** * @interface IInteractionOptions */ /** * If true, only consider items that intersect the point * @name IInterfaceOptions#boolean * @type Boolean */ /** * Contains interaction related functions * @namespace Chart.Interaction */ module.exports = { // Helper function for different modes modes: { single: function(chart, e) { var position = getRelativePosition(e, chart); var elements = []; parseVisibleItems(chart, function(element) { if (element.inRange(position.x, position.y)) { elements.push(element); return elements; } }); return elements.slice(0, 1); }, /** * @function Chart.Interaction.modes.label * @deprecated since version 2.4.0 * @todo remove at version 3 * @private */ label: indexMode, /** * Returns items at the same index. If the options.intersect parameter is true, we only return items if we intersect something * If the options.intersect mode is false, we find the nearest item and return the items at the same index as that item * @function Chart.Interaction.modes.index * @since v2.4.0 * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @param options {IInteractionOptions} options to use during interaction * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ index: indexMode, /** * Returns items in the same dataset. If the options.intersect parameter is true, we only return items if we intersect something * If the options.intersect is false, we find the nearest item and return the items in that dataset * @function Chart.Interaction.modes.dataset * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @param options {IInteractionOptions} options to use during interaction * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ dataset: function(chart, e, options) { var position = getRelativePosition(e, chart); options.axis = options.axis || 'xy'; var distanceMetric = getDistanceMetricForAxis(options.axis); var items = options.intersect ? getIntersectItems(chart, position) : getNearestItems(chart, position, false, distanceMetric); if (items.length > 0) { items = chart.getDatasetMeta(items[0]._datasetIndex).data; } return items; }, /** * @function Chart.Interaction.modes.x-axis * @deprecated since version 2.4.0. Use index mode and intersect == true * @todo remove at version 3 * @private */ 'x-axis': function(chart, e) { return indexMode(chart, e, {intersect: false}); }, /** * Point mode returns all elements that hit test based on the event position * of the event * @function Chart.Interaction.modes.intersect * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ point: function(chart, e) { var position = getRelativePosition(e, chart); return getIntersectItems(chart, position); }, /** * nearest mode returns the element closest to the point * @function Chart.Interaction.modes.intersect * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @param options {IInteractionOptions} options to use * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ nearest: function(chart, e, options) { var position = getRelativePosition(e, chart); options.axis = options.axis || 'xy'; var distanceMetric = getDistanceMetricForAxis(options.axis); var nearestItems = getNearestItems(chart, position, options.intersect, distanceMetric); // We have multiple items at the same distance from the event. Now sort by smallest if (nearestItems.length > 1) { nearestItems.sort(function(a, b) { var sizeA = a.getArea(); var sizeB = b.getArea(); var ret = sizeA - sizeB; if (ret === 0) { // if equal sort by dataset index ret = a._datasetIndex - b._datasetIndex; } return ret; }); } // Return only 1 item return nearestItems.slice(0, 1); }, /** * x mode returns the elements that hit-test at the current x coordinate * @function Chart.Interaction.modes.x * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @param options {IInteractionOptions} options to use * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ x: function(chart, e, options) { var position = getRelativePosition(e, chart); var items = []; var intersectsItem = false; parseVisibleItems(chart, function(element) { if (element.inXRange(position.x)) { items.push(element); } if (element.inRange(position.x, position.y)) { intersectsItem = true; } }); // If we want to trigger on an intersect and we don't have any items // that intersect the position, return nothing if (options.intersect && !intersectsItem) { items = []; } return items; }, /** * y mode returns the elements that hit-test at the current y coordinate * @function Chart.Interaction.modes.y * @param chart {chart} the chart we are returning items from * @param e {Event} the event we are find things at * @param options {IInteractionOptions} options to use * @return {Chart.Element[]} Array of elements that are under the point. If none are found, an empty array is returned */ y: function(chart, e, options) { var position = getRelativePosition(e, chart); var items = []; var intersectsItem = false; parseVisibleItems(chart, function(element) { if (element.inYRange(position.y)) { items.push(element); } if (element.inRange(position.x, position.y)) { intersectsItem = true; } }); // If we want to trigger on an intersect and we don't have any items // that intersect the position, return nothing if (options.intersect && !intersectsItem) { items = []; } return items; } } }; },{"46":46}],30:[function(require,module,exports){ 'use strict'; var defaults = require(26); defaults._set('global', { responsive: true, responsiveAnimationDuration: 0, maintainAspectRatio: true, events: ['mousemove', 'mouseout', 'click', 'touchstart', 'touchmove'], hover: { onHover: null, mode: 'nearest', intersect: true, animationDuration: 400 }, onClick: null, defaultColor: 'rgba(0,0,0,0.1)', defaultFontColor: '#666', defaultFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif", defaultFontSize: 12, defaultFontStyle: 'normal', showLines: true, // Element defaults defined in element extensions elements: {}, // Layout options such as padding layout: { padding: { top: 0, right: 0, bottom: 0, left: 0 } } }); module.exports = function() { // Occupy the global variable of Chart, and create a simple base class var Chart = function(item, config) { this.construct(item, config); return this; }; Chart.Chart = Chart; return Chart; }; },{"26":26}],31:[function(require,module,exports){ 'use strict'; var helpers = require(46); function filterByPosition(array, position) { return helpers.where(array, function(v) { return v.position === position; }); } function sortByWeight(array, reverse) { array.forEach(function(v, i) { v._tmpIndex_ = i; return v; }); array.sort(function(a, b) { var v0 = reverse ? b : a; var v1 = reverse ? a : b; return v0.weight === v1.weight ? v0._tmpIndex_ - v1._tmpIndex_ : v0.weight - v1.weight; }); array.forEach(function(v) { delete v._tmpIndex_; }); } /** * @interface ILayoutItem * @prop {String} position - The position of the item in the chart layout. Possible values are * 'left', 'top', 'right', 'bottom', and 'chartArea' * @prop {Number} weight - The weight used to sort the item. Higher weights are further away from the chart area * @prop {Boolean} fullWidth - if true, and the item is horizontal, then push vertical boxes down * @prop {Function} isHorizontal - returns true if the layout item is horizontal (ie. top or bottom) * @prop {Function} update - Takes two parameters: width and height. Returns size of item * @prop {Function} getPadding - Returns an object with padding on the edges * @prop {Number} width - Width of item. Must be valid after update() * @prop {Number} height - Height of item. Must be valid after update() * @prop {Number} left - Left edge of the item. Set by layout system and cannot be used in update * @prop {Number} top - Top edge of the item. Set by layout system and cannot be used in update * @prop {Number} right - Right edge of the item. Set by layout system and cannot be used in update * @prop {Number} bottom - Bottom edge of the item. Set by layout system and cannot be used in update */ // 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. module.exports = { defaults: {}, /** * Register a box to a chart. * A box is simply a reference to an object that requires layout. eg. Scales, Legend, Title. * @param {Chart} chart - the chart to use * @param {ILayoutItem} item - the item to add to be layed out */ addBox: function(chart, item) { if (!chart.boxes) { chart.boxes = []; } // initialize item with default values item.fullWidth = item.fullWidth || false; item.position = item.position || 'top'; item.weight = item.weight || 0; chart.boxes.push(item); }, /** * Remove a layoutItem from a chart * @param {Chart} chart - the chart to remove the box from * @param {Object} layoutItem - the item to remove from the layout */ removeBox: function(chart, layoutItem) { var index = chart.boxes ? chart.boxes.indexOf(layoutItem) : -1; if (index !== -1) { chart.boxes.splice(index, 1); } }, /** * Sets (or updates) options on the given `item`. * @param {Chart} chart - the chart in which the item lives (or will be added to) * @param {Object} item - the item to configure with the given options * @param {Object} options - the new item options. */ configure: function(chart, item, options) { var props = ['fullWidth', 'position', 'weight']; var ilen = props.length; var i = 0; var prop; for (; i < ilen; ++i) { prop = props[i]; if (options.hasOwnProperty(prop)) { item[prop] = options[prop]; } } }, /** * Fits boxes of the given chart into the given size by having each box measure itself * then running a fitting algorithm * @param {Chart} chart - the chart * @param {Number} width - the width to fit into * @param {Number} height - the height to fit into */ update: function(chart, width, height) { if (!chart) { return; } var layoutOptions = chart.options.layout || {}; var padding = helpers.options.toPadding(layoutOptions.padding); var leftPadding = padding.left; var rightPadding = padding.right; var topPadding = padding.top; var bottomPadding = padding.bottom; var leftBoxes = filterByPosition(chart.boxes, 'left'); var rightBoxes = filterByPosition(chart.boxes, 'right'); var topBoxes = filterByPosition(chart.boxes, 'top'); var bottomBoxes = filterByPosition(chart.boxes, 'bottom'); var chartAreaBoxes = filterByPosition(chart.boxes, 'chartArea'); // Sort boxes by weight. A higher weight is further away from the chart area sortByWeight(leftBoxes, true); sortByWeight(rightBoxes, false); sortByWeight(topBoxes, true); sortByWeight(bottomBoxes, false); // Essentially we now have any number of boxes on each of the 4 sides. // Our canvas looks like the following. // The areas L1 and L2 are the left axes. R1 is the right axis, T1 is the top axis and // B1 is the bottom axis // There are also 4 quadrant-like locations (left to right instead of clockwise) reserved for chart overlays // These locations are single-box locations only, when trying to register a chartArea location that is already taken, // an error will be thrown. // // |----------------------------------------------------| // | T1 (Full Width) | // |----------------------------------------------------| // | | | T2 | | // | |----|-------------------------------------|----| // | | | C1 | | C2 | | // | | |----| |----| | // | | | | | // | L1 | L2 | ChartArea (C0) | R1 | // | | | | | // | | |----| |----| | // | | | C3 | | C4 | | // | |----|-------------------------------------|----| // | | | B1 | | // |----------------------------------------------------| // | B2 (Full Width) | // |----------------------------------------------------| // // What we do to find the best sizing, we do the following // 1. Determine the minimum size of the chart area. // 2. Split the remaining width equally between each vertical axis // 3. Split the remaining height equally between each horizontal axis // 4. Give each layout the maximum size it can be. The layout will return it's minimum size // 5. Adjust the sizes of each axis based on it's minimum reported size. // 6. Refit each axis // 7. Position each axis in the final location // 8. Tell the chart the final location of the chart area // 9. Tell any axes that overlay the chart area the positions of the chart area // Step 1 var chartWidth = width - leftPadding - rightPadding; var chartHeight = height - topPadding - bottomPadding; var chartAreaWidth = chartWidth / 2; // min 50% var chartAreaHeight = chartHeight / 2; // min 50% // Step 2 var verticalBoxWidth = (width - chartAreaWidth) / (leftBoxes.length + rightBoxes.length); // Step 3 var horizontalBoxHeight = (height - chartAreaHeight) / (topBoxes.length + bottomBoxes.length); // Step 4 var maxChartAreaWidth = chartWidth; var maxChartAreaHeight = chartHeight; var minBoxSizes = []; function getMinimumBoxSize(box) { var minSize; var isHorizontal = box.isHorizontal(); if (isHorizontal) { minSize = box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, horizontalBoxHeight); maxChartAreaHeight -= minSize.height; } else { minSize = box.update(verticalBoxWidth, maxChartAreaHeight); maxChartAreaWidth -= minSize.width; } minBoxSizes.push({ horizontal: isHorizontal, minSize: minSize, box: box, }); } helpers.each(leftBoxes.concat(rightBoxes, topBoxes, bottomBoxes), getMinimumBoxSize); // If a horizontal box has padding, we move the left boxes over to avoid ugly charts (see issue #2478) var maxHorizontalLeftPadding = 0; var maxHorizontalRightPadding = 0; var maxVerticalTopPadding = 0; var maxVerticalBottomPadding = 0; helpers.each(topBoxes.concat(bottomBoxes), function(horizontalBox) { if (horizontalBox.getPadding) { var boxPadding = horizontalBox.getPadding(); maxHorizontalLeftPadding = Math.max(maxHorizontalLeftPadding, boxPadding.left); maxHorizontalRightPadding = Math.max(maxHorizontalRightPadding, boxPadding.right); } }); helpers.each(leftBoxes.concat(rightBoxes), function(verticalBox) { if (verticalBox.getPadding) { var boxPadding = verticalBox.getPadding(); maxVerticalTopPadding = Math.max(maxVerticalTopPadding, boxPadding.top); maxVerticalBottomPadding = Math.max(maxVerticalBottomPadding, boxPadding.bottom); } }); // At this point, maxChartAreaHeight and maxChartAreaWidth are the size the chart area could // be if the axes are drawn at their minimum sizes. // Steps 5 & 6 var totalLeftBoxesWidth = leftPadding; var totalRightBoxesWidth = rightPadding; var totalTopBoxesHeight = topPadding; var totalBottomBoxesHeight = bottomPadding; // Function to fit a box function fitBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minBox) { return minBox.box === box; }); if (minBoxSize) { if (box.isHorizontal()) { var scaleMargin = { left: Math.max(totalLeftBoxesWidth, maxHorizontalLeftPadding), right: Math.max(totalRightBoxesWidth, maxHorizontalRightPadding), top: 0, bottom: 0 }; // Don't use min size here because of label rotation. When the labels are rotated, their rotation highly depends // on the margin. Sometimes they need to increase in size slightly box.update(box.fullWidth ? chartWidth : maxChartAreaWidth, chartHeight / 2, scaleMargin); } else { box.update(minBoxSize.minSize.width, maxChartAreaHeight); } } } // Update, and calculate the left and right margins for the horizontal boxes helpers.each(leftBoxes.concat(rightBoxes), fitBox); helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); // Set the Left and Right margins for the horizontal boxes helpers.each(topBoxes.concat(bottomBoxes), fitBox); // Figure out how much margin is on the top and bottom of the vertical boxes helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); function finalFitVerticalBox(box) { var minBoxSize = helpers.findNextWhere(minBoxSizes, function(minSize) { return minSize.box === box; }); var scaleMargin = { left: 0, right: 0, top: totalTopBoxesHeight, bottom: totalBottomBoxesHeight }; if (minBoxSize) { box.update(minBoxSize.minSize.width, maxChartAreaHeight, scaleMargin); } } // Let the left layout know the final margin helpers.each(leftBoxes.concat(rightBoxes), finalFitVerticalBox); // Recalculate because the size of each layout might have changed slightly due to the margins (label rotation for instance) totalLeftBoxesWidth = leftPadding; totalRightBoxesWidth = rightPadding; totalTopBoxesHeight = topPadding; totalBottomBoxesHeight = bottomPadding; helpers.each(leftBoxes, function(box) { totalLeftBoxesWidth += box.width; }); helpers.each(rightBoxes, function(box) { totalRightBoxesWidth += box.width; }); helpers.each(topBoxes, function(box) { totalTopBoxesHeight += box.height; }); helpers.each(bottomBoxes, function(box) { totalBottomBoxesHeight += box.height; }); // We may be adding some padding to account for rotated x axis labels var leftPaddingAddition = Math.max(maxHorizontalLeftPadding - totalLeftBoxesWidth, 0); totalLeftBoxesWidth += leftPaddingAddition; totalRightBoxesWidth += Math.max(maxHorizontalRightPadding - totalRightBoxesWidth, 0); var topPaddingAddition = Math.max(maxVerticalTopPadding - totalTopBoxesHeight, 0); totalTopBoxesHeight += topPaddingAddition; totalBottomBoxesHeight += Math.max(maxVerticalBottomPadding - totalBottomBoxesHeight, 0); // Figure out if our chart area changed. This would occur if the dataset layout label rotation // changed due to the application of the margins in step 6. Since we can only get bigger, this is safe to do // without calling `fit` again var newMaxChartAreaHeight = height - totalTopBoxesHeight - totalBottomBoxesHeight; var newMaxChartAreaWidth = width - totalLeftBoxesWidth - totalRightBoxesWidth; if (newMaxChartAreaWidth !== maxChartAreaWidth || newMaxChartAreaHeight !== maxChartAreaHeight) { helpers.each(leftBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(rightBoxes, function(box) { box.height = newMaxChartAreaHeight; }); helpers.each(topBoxes, function(box) { if (!box.fullWidth) { box.width = newMaxChartAreaWidth; } }); helpers.each(bottomBoxes, function(box) { if (!box.fullWidth) { box.width = newMaxChartAreaWidth; } }); maxChartAreaHeight = newMaxChartAreaHeight; maxChartAreaWidth = newMaxChartAreaWidth; } // Step 7 - Position the boxes var left = leftPadding + leftPaddingAddition; var top = topPadding + topPaddingAddition; function placeBox(box) { if (box.isHorizontal()) { box.left = box.fullWidth ? leftPadding : totalLeftBoxesWidth; box.right = box.fullWidth ? width - rightPadding : totalLeftBoxesWidth + maxChartAreaWidth; box.top = top; box.bottom = top + box.height; // Move to next point top = box.bottom; } else { box.left = left; box.right = left + box.width; box.top = totalTopBoxesHeight; box.bottom = totalTopBoxesHeight + maxChartAreaHeight; // Move to next point left = box.right; } } helpers.each(leftBoxes.concat(topBoxes), placeBox); // Account for chart width and height left += maxChartAreaWidth; top += maxChartAreaHeight; helpers.each(rightBoxes, placeBox); helpers.each(bottomBoxes, placeBox); // Step 8 chart.chartArea = { left: totalLeftBoxesWidth, top: totalTopBoxesHeight, right: totalLeftBoxesWidth + maxChartAreaWidth, bottom: totalTopBoxesHeight + maxChartAreaHeight }; // Step 9 helpers.each(chartAreaBoxes, function(box) { box.left = chart.chartArea.left; box.top = chart.chartArea.top; box.right = chart.chartArea.right; box.bottom = chart.chartArea.bottom; box.update(maxChartAreaWidth, maxChartAreaHeight); }); } }; },{"46":46}],32:[function(require,module,exports){ 'use strict'; var defaults = require(26); var helpers = require(46); defaults._set('global', { plugins: {} }); /** * The plugin service singleton * @namespace Chart.plugins * @since 2.1.0 */ module.exports = { /** * Globally registered plugins. * @private */ _plugins: [], /** * This identifier is used to invalidate the descriptors cache attached to each chart * when a global plugin is registered or unregistered. In this case, the cache ID is * incremented and descriptors are regenerated during following API calls. * @private */ _cacheId: 0, /** * Registers the given plugin(s) if not already registered. * @param {Array|Object} plugins plugin instance(s). */ register: function(plugins) { var p = this._plugins; ([]).concat(plugins).forEach(function(plugin) { if (p.indexOf(plugin) === -1) { p.push(plugin); } }); this._cacheId++; }, /** * Unregisters the given plugin(s) only if registered. * @param {Array|Object} plugins plugin instance(s). */ unregister: function(plugins) { var p = this._plugins; ([]).concat(plugins).forEach(function(plugin) { var idx = p.indexOf(plugin); if (idx !== -1) { p.splice(idx, 1); } }); this._cacheId++; }, /** * Remove all registered plugins. * @since 2.1.5 */ clear: function() { this._plugins = []; this._cacheId++; }, /** * Returns the number of registered plugins? * @returns {Number} * @since 2.1.5 */ count: function() { return this._plugins.length; }, /** * Returns all registered plugin instances. * @returns {Array} array of plugin objects. * @since 2.1.5 */ getAll: function() { return this._plugins; }, /** * Calls enabled plugins for `chart` on the specified hook and with the given args. * This method immediately returns as soon as a plugin explicitly returns false. The * returned value can be used, for instance, to interrupt the current action. * @param {Object} chart - The chart instance for which plugins should be called. * @param {String} hook - The name of the plugin method to call (e.g. 'beforeUpdate'). * @param {Array} [args] - Extra arguments to apply to the hook call. * @returns {Boolean} false if any of the plugins return false, else returns true. */ notify: function(chart, hook, args) { var descriptors = this.descriptors(chart); var ilen = descriptors.length; var i, descriptor, plugin, params, method; for (i = 0; i < ilen; ++i) { descriptor = descriptors[i]; plugin = descriptor.plugin; method = plugin[hook]; if (typeof method === 'function') { params = [chart].concat(args || []); params.push(descriptor.options); if (method.apply(plugin, params) === false) { return false; } } } return true; }, /** * Returns descriptors of enabled plugins for the given chart. * @returns {Array} [{ plugin, options }] * @private */ descriptors: function(chart) { var cache = chart.$plugins || (chart.$plugins = {}); if (cache.id === this._cacheId) { return cache.descriptors; } var plugins = []; var descriptors = []; var config = (chart && chart.config) || {}; var options = (config.options && config.options.plugins) || {}; this._plugins.concat(config.plugins || []).forEach(function(plugin) { var idx = plugins.indexOf(plugin); if (idx !== -1) { return; } var id = plugin.id; var opts = options[id]; if (opts === false) { return; } if (opts === true) { opts = helpers.clone(defaults.global.plugins[id]); } plugins.push(plugin); descriptors.push({ plugin: plugin, options: opts || {} }); }); cache.descriptors = descriptors; cache.id = this._cacheId; return descriptors; }, /** * Invalidates cache for the given chart: descriptors hold a reference on plugin option, * but in some cases, this reference can be changed by the user when updating options. * https://github.com/chartjs/Chart.js/issues/5111#issuecomment-355934167 * @private */ _invalidate: function(chart) { delete chart.$plugins; } }; /** * Plugin extension hooks. * @interface IPlugin * @since 2.1.0 */ /** * @method IPlugin#beforeInit * @desc Called before initializing `chart`. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ /** * @method IPlugin#afterInit * @desc Called after `chart` has been initialized and before the first update. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeUpdate * @desc Called before updating `chart`. If any plugin returns `false`, the update * is cancelled (and thus subsequent render(s)) until another `update` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart update. */ /** * @method IPlugin#afterUpdate * @desc Called after `chart` has been updated and before rendering. Note that this * hook will not be called if the chart update has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeDatasetsUpdate * @desc Called before updating the `chart` datasets. If any plugin returns `false`, * the datasets update is cancelled until another `update` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. * @returns {Boolean} false to cancel the datasets update. * @since version 2.1.5 */ /** * @method IPlugin#afterDatasetsUpdate * @desc Called after the `chart` datasets have been updated. Note that this hook * will not be called if the datasets update has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. * @since version 2.1.5 */ /** * @method IPlugin#beforeDatasetUpdate * @desc Called before updating the `chart` dataset at the given `args.index`. If any plugin * returns `false`, the datasets update is cancelled until another `update` is triggered. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Number} args.index - The dataset index. * @param {Object} args.meta - The dataset metadata. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart datasets drawing. */ /** * @method IPlugin#afterDatasetUpdate * @desc Called after the `chart` datasets at the given `args.index` has been updated. Note * that this hook will not be called if the datasets update has been previously cancelled. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Number} args.index - The dataset index. * @param {Object} args.meta - The dataset metadata. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeLayout * @desc Called before laying out `chart`. If any plugin returns `false`, * the layout update is cancelled until another `update` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart layout. */ /** * @method IPlugin#afterLayout * @desc Called after the `chart` has been layed out. Note that this hook will not * be called if the layout update has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeRender * @desc Called before rendering `chart`. If any plugin returns `false`, * the rendering is cancelled until another `render` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart rendering. */ /** * @method IPlugin#afterRender * @desc Called after the `chart` has been fully rendered (and animation completed). Note * that this hook will not be called if the rendering has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeDraw * @desc Called before drawing `chart` at every animation frame specified by the given * easing value. If any plugin returns `false`, the frame drawing is cancelled until * another `render` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart drawing. */ /** * @method IPlugin#afterDraw * @desc Called after the `chart` has been drawn for the specific easing value. Note * that this hook will not be called if the drawing has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeDatasetsDraw * @desc Called before drawing the `chart` datasets. If any plugin returns `false`, * the datasets drawing is cancelled until another `render` is triggered. * @param {Chart.Controller} chart - The chart instance. * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart datasets drawing. */ /** * @method IPlugin#afterDatasetsDraw * @desc Called after the `chart` datasets have been drawn. Note that this hook * will not be called if the datasets drawing has been previously cancelled. * @param {Chart.Controller} chart - The chart instance. * @param {Number} easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeDatasetDraw * @desc Called before drawing the `chart` dataset at the given `args.index` (datasets * are drawn in the reverse order). If any plugin returns `false`, the datasets drawing * is cancelled until another `render` is triggered. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Number} args.index - The dataset index. * @param {Object} args.meta - The dataset metadata. * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart datasets drawing. */ /** * @method IPlugin#afterDatasetDraw * @desc Called after the `chart` datasets at the given `args.index` have been drawn * (datasets are drawn in the reverse order). Note that this hook will not be called * if the datasets drawing has been previously cancelled. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Number} args.index - The dataset index. * @param {Object} args.meta - The dataset metadata. * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeTooltipDraw * @desc Called before drawing the `tooltip`. If any plugin returns `false`, * the tooltip drawing is cancelled until another `render` is triggered. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Object} args.tooltip - The tooltip. * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. * @returns {Boolean} `false` to cancel the chart tooltip drawing. */ /** * @method IPlugin#afterTooltipDraw * @desc Called after drawing the `tooltip`. Note that this hook will not * be called if the tooltip drawing has been previously cancelled. * @param {Chart} chart - The chart instance. * @param {Object} args - The call arguments. * @param {Object} args.tooltip - The tooltip. * @param {Number} args.easingValue - The current animation value, between 0.0 and 1.0. * @param {Object} options - The plugin options. */ /** * @method IPlugin#beforeEvent * @desc Called before processing the specified `event`. If any plugin returns `false`, * the event will be discarded. * @param {Chart.Controller} chart - The chart instance. * @param {IEvent} event - The event object. * @param {Object} options - The plugin options. */ /** * @method IPlugin#afterEvent * @desc Called after the `event` has been consumed. Note that this hook * will not be called if the `event` has been previously discarded. * @param {Chart.Controller} chart - The chart instance. * @param {IEvent} event - The event object. * @param {Object} options - The plugin options. */ /** * @method IPlugin#resize * @desc Called after the chart as been resized. * @param {Chart.Controller} chart - The chart instance. * @param {Number} size - The new canvas display size (eq. canvas.style width & height). * @param {Object} options - The plugin options. */ /** * @method IPlugin#destroy * @desc Called after the chart as been destroyed. * @param {Chart.Controller} chart - The chart instance. * @param {Object} options - The plugin options. */ },{"26":26,"46":46}],33:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); var Ticks = require(35); defaults._set('scale', { display: true, position: 'left', offset: false, // grid line settings gridLines: { display: true, color: 'rgba(0, 0, 0, 0.1)', lineWidth: 1, drawBorder: true, drawOnChartArea: true, drawTicks: true, tickMarkLength: 10, zeroLineWidth: 1, zeroLineColor: 'rgba(0,0,0,0.25)', zeroLineBorderDash: [], zeroLineBorderDashOffset: 0.0, offsetGridLines: false, borderDash: [], borderDashOffset: 0.0 }, // scale label scaleLabel: { // display property display: false, // actual label labelString: '', // line height lineHeight: 1.2, // top/bottom padding padding: { top: 4, bottom: 4 } }, // label settings ticks: { beginAtZero: false, minRotation: 0, maxRotation: 50, mirror: false, padding: 0, reverse: false, display: true, autoSkip: true, autoSkipPadding: 0, labelOffset: 0, // We pass through arrays to be rendered as multiline labels, we convert Others to strings here. callback: Ticks.formatters.values, minor: {}, major: {} } }); function labelsFromTicks(ticks) { var labels = []; var i, ilen; for (i = 0, ilen = ticks.length; i < ilen; ++i) { labels.push(ticks[i].label); } return labels; } function getLineValue(scale, index, offsetGridLines) { var lineValue = scale.getPixelForTick(index); if (offsetGridLines) { if (index === 0) { lineValue -= (scale.getPixelForTick(1) - lineValue) / 2; } else { lineValue -= (lineValue - scale.getPixelForTick(index - 1)) / 2; } } return lineValue; } function computeTextSize(context, tick, font) { return helpers.isArray(tick) ? helpers.longestText(context, font, tick) : context.measureText(tick).width; } function parseFontOptions(options) { var valueOrDefault = helpers.valueOrDefault; var globalDefaults = defaults.global; var size = valueOrDefault(options.fontSize, globalDefaults.defaultFontSize); var style = valueOrDefault(options.fontStyle, globalDefaults.defaultFontStyle); var family = valueOrDefault(options.fontFamily, globalDefaults.defaultFontFamily); return { size: size, style: style, family: family, font: helpers.fontString(size, style, family) }; } function parseLineHeight(options) { return helpers.options.toLineHeight( helpers.valueOrDefault(options.lineHeight, 1.2), helpers.valueOrDefault(options.fontSize, defaults.global.defaultFontSize)); } module.exports = Element.extend({ /** * Get the padding needed for the scale * @method getPadding * @private * @returns {Padding} the necessary padding */ getPadding: function() { var me = this; return { left: me.paddingLeft || 0, top: me.paddingTop || 0, right: me.paddingRight || 0, bottom: me.paddingBottom || 0 }; }, /** * Returns the scale tick objects ({label, major}) * @since 2.7 */ getTicks: function() { return this._ticks; }, // 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 mergeTicksOptions: function() { var ticks = this.options.ticks; if (ticks.minor === false) { ticks.minor = { display: false }; } if (ticks.major === false) { ticks.major = { display: false }; } for (var key in ticks) { if (key !== 'major' && key !== 'minor') { if (typeof ticks.minor[key] === 'undefined') { ticks.minor[key] = ticks[key]; } if (typeof ticks.major[key] === 'undefined') { ticks.major[key] = ticks[key]; } } } }, beforeUpdate: function() { helpers.callback(this.options.beforeUpdate, [this]); }, update: function(maxWidth, maxHeight, margins) { var me = this; var i, ilen, labels, label, ticks, tick; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = helpers.extend({ left: 0, right: 0, top: 0, bottom: 0 }, margins); me.longestTextCache = me.longestTextCache || {}; // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Data min/max me.beforeDataLimits(); me.determineDataLimits(); me.afterDataLimits(); // Ticks - `this.ticks` is now DEPRECATED! // Internal ticks are now stored as objects in the PRIVATE `this._ticks` member // and must not be accessed directly from outside this class. `this.ticks` being // around for long time and not marked as private, we can't change its structure // without unexpected breaking changes. If you need to access the scale ticks, // use scale.getTicks() instead. me.beforeBuildTicks(); // New implementations should return an array of objects but for BACKWARD COMPAT, // we still support no return (`this.ticks` internally set by calling this method). ticks = me.buildTicks() || []; me.afterBuildTicks(); me.beforeTickToLabelConversion(); // New implementations should return the formatted tick labels but for BACKWARD // COMPAT, we still support no return (`this.ticks` internally changed by calling // this method and supposed to contain only string values). labels = me.convertTicksToLabels(ticks) || me.ticks; me.afterTickToLabelConversion(); me.ticks = labels; // BACKWARD COMPATIBILITY // IMPORTANT: from this point, we consider that `this.ticks` will NEVER change! // BACKWARD COMPAT: synchronize `_ticks` with labels (so potentially `this.ticks`) for (i = 0, ilen = labels.length; i < ilen; ++i) { label = labels[i]; tick = ticks[i]; if (!tick) { ticks.push(tick = { label: label, major: false }); } else { tick.label = label; } } me._ticks = ticks; // Tick Rotation me.beforeCalculateTickRotation(); me.calculateTickRotation(); me.afterCalculateTickRotation(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: function() { helpers.callback(this.options.afterUpdate, [this]); }, // beforeSetDimensions: function() { helpers.callback(this.options.beforeSetDimensions, [this]); }, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; }, afterSetDimensions: function() { helpers.callback(this.options.afterSetDimensions, [this]); }, // Data limits beforeDataLimits: function() { helpers.callback(this.options.beforeDataLimits, [this]); }, determineDataLimits: helpers.noop, afterDataLimits: function() { helpers.callback(this.options.afterDataLimits, [this]); }, // beforeBuildTicks: function() { helpers.callback(this.options.beforeBuildTicks, [this]); }, buildTicks: helpers.noop, afterBuildTicks: function() { helpers.callback(this.options.afterBuildTicks, [this]); }, beforeTickToLabelConversion: function() { helpers.callback(this.options.beforeTickToLabelConversion, [this]); }, convertTicksToLabels: function() { var me = this; // Convert ticks to strings var tickOpts = me.options.ticks; me.ticks = me.ticks.map(tickOpts.userCallback || tickOpts.callback, this); }, afterTickToLabelConversion: function() { helpers.callback(this.options.afterTickToLabelConversion, [this]); }, // beforeCalculateTickRotation: function() { helpers.callback(this.options.beforeCalculateTickRotation, [this]); }, calculateTickRotation: function() { var me = this; var context = me.ctx; var tickOpts = me.options.ticks; var labels = labelsFromTicks(me._ticks); // Get the width of each grid by calculating the difference // between x offsets between 0 and 1. var tickFont = parseFontOptions(tickOpts); context.font = tickFont.font; var labelRotation = tickOpts.minRotation || 0; if (labels.length && me.options.display && me.isHorizontal()) { var originalLabelWidth = helpers.longestText(context, tickFont.font, labels, me.longestTextCache); var labelWidth = originalLabelWidth; var cosRotation, sinRotation; // Allow 3 pixels x2 padding either side for label readability var tickWidth = me.getPixelForTick(1) - me.getPixelForTick(0) - 6; // Max label rotation can be set or default to 90 - also act as a loop counter while (labelWidth > tickWidth && labelRotation < tickOpts.maxRotation) { var angleRadians = helpers.toRadians(labelRotation); cosRotation = Math.cos(angleRadians); sinRotation = Math.sin(angleRadians); if (sinRotation * originalLabelWidth > me.maxHeight) { // go back one step labelRotation--; break; } labelRotation++; labelWidth = cosRotation * originalLabelWidth; } } me.labelRotation = labelRotation; }, afterCalculateTickRotation: function() { helpers.callback(this.options.afterCalculateTickRotation, [this]); }, // beforeFit: function() { helpers.callback(this.options.beforeFit, [this]); }, fit: function() { var me = this; // Reset var minSize = me.minSize = { width: 0, height: 0 }; var labels = labelsFromTicks(me._ticks); var opts = me.options; var tickOpts = opts.ticks; var scaleLabelOpts = opts.scaleLabel; var gridLineOpts = opts.gridLines; var display = opts.display; var isHorizontal = me.isHorizontal(); var tickFont = parseFontOptions(tickOpts); var tickMarkLength = opts.gridLines.tickMarkLength; // Width if (isHorizontal) { // subtract the margins to line up with the chartArea if we are a full width scale minSize.width = me.isFullWidth() ? me.maxWidth - me.margins.left - me.margins.right : me.maxWidth; } else { minSize.width = display && gridLineOpts.drawTicks ? tickMarkLength : 0; } // height if (isHorizontal) { minSize.height = display && gridLineOpts.drawTicks ? tickMarkLength : 0; } else { minSize.height = me.maxHeight; // fill all the height } // Are we showing a title for the scale? if (scaleLabelOpts.display && display) { var scaleLabelLineHeight = parseLineHeight(scaleLabelOpts); var scaleLabelPadding = helpers.options.toPadding(scaleLabelOpts.padding); var deltaHeight = scaleLabelLineHeight + scaleLabelPadding.height; if (isHorizontal) { minSize.height += deltaHeight; } else { minSize.width += deltaHeight; } } // Don't bother fitting the ticks if we are not showing them if (tickOpts.display && display) { var largestTextWidth = helpers.longestText(me.ctx, tickFont.font, labels, me.longestTextCache); var tallestLabelHeightInLines = helpers.numberOfLabelLines(labels); var lineSpace = tickFont.size * 0.5; var tickPadding = me.options.ticks.padding; if (isHorizontal) { // A horizontal axis is more constrained by the height. me.longestLabelWidth = largestTextWidth; var angleRadians = helpers.toRadians(me.labelRotation); var cosRotation = Math.cos(angleRadians); var sinRotation = Math.sin(angleRadians); // TODO - improve this calculation var labelHeight = (sinRotation * largestTextWidth) + (tickFont.size * tallestLabelHeightInLines) + (lineSpace * (tallestLabelHeightInLines - 1)) + lineSpace; // padding minSize.height = Math.min(me.maxHeight, minSize.height + labelHeight + tickPadding); me.ctx.font = tickFont.font; var firstLabelWidth = computeTextSize(me.ctx, labels[0], tickFont.font); var lastLabelWidth = computeTextSize(me.ctx, labels[labels.length - 1], tickFont.font); // Ensure that our ticks are always inside the canvas. When rotated, ticks are right aligned // which means that the right padding is dominated by the font height if (me.labelRotation !== 0) { me.paddingLeft = opts.position === 'bottom' ? (cosRotation * firstLabelWidth) + 3 : (cosRotation * lineSpace) + 3; // add 3 px to move away from canvas edges me.paddingRight = opts.position === 'bottom' ? (cosRotation * lineSpace) + 3 : (cosRotation * lastLabelWidth) + 3; } else { me.paddingLeft = firstLabelWidth / 2 + 3; // add 3 px to move away from canvas edges me.paddingRight = lastLabelWidth / 2 + 3; } } else { // A vertical axis is more constrained by the width. Labels are the // dominant factor here, so get that length first and account for padding if (tickOpts.mirror) { largestTextWidth = 0; } else { // use lineSpace for consistency with horizontal axis // tickPadding is not implemented for horizontal largestTextWidth += tickPadding + lineSpace; } minSize.width = Math.min(me.maxWidth, minSize.width + largestTextWidth); me.paddingTop = tickFont.size / 2; me.paddingBottom = tickFont.size / 2; } } me.handleMargins(); me.width = minSize.width; me.height = minSize.height; }, /** * Handle margins and padding interactions * @private */ handleMargins: function() { var me = this; if (me.margins) { me.paddingLeft = Math.max(me.paddingLeft - me.margins.left, 0); me.paddingTop = Math.max(me.paddingTop - me.margins.top, 0); me.paddingRight = Math.max(me.paddingRight - me.margins.right, 0); me.paddingBottom = Math.max(me.paddingBottom - me.margins.bottom, 0); } }, afterFit: function() { helpers.callback(this.options.afterFit, [this]); }, // Shared Methods isHorizontal: function() { return this.options.position === 'top' || this.options.position === 'bottom'; }, isFullWidth: function() { return (this.options.fullWidth); }, // Get the correct value. NaN bad inputs, If the value type is object get the x or y based on whether we are horizontal or not getRightValue: function(rawValue) { // Null and undefined values first if (helpers.isNullOrUndef(rawValue)) { return NaN; } // isNaN(object) returns true, so make sure NaN is checking for a number; Discard Infinite values if (typeof rawValue === 'number' && !isFinite(rawValue)) { return NaN; } // If it is in fact an object, dive in one more level if (rawValue) { if (this.isHorizontal()) { if (rawValue.x !== undefined) { return this.getRightValue(rawValue.x); } } else if (rawValue.y !== undefined) { return this.getRightValue(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 * @param index * @param datasetIndex */ getLabelForIndex: helpers.noop, /** * Returns the location of the given data point. Value can either be an index or a numerical value * The coordinate (0, 0) is at the upper-left corner of the canvas * @param value * @param index * @param datasetIndex */ getPixelForValue: helpers.noop, /** * Used to get the data value from a given pixel. This is the inverse of getPixelForValue * The coordinate (0, 0) is at the upper-left corner of the canvas * @param pixel */ getValueForPixel: helpers.noop, /** * Returns the location of the tick at the given index * The coordinate (0, 0) is at the upper-left corner of the canvas */ getPixelForTick: function(index) { var me = this; var offset = me.options.offset; if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var tickWidth = innerWidth / Math.max((me._ticks.length - (offset ? 0 : 1)), 1); var pixel = (tickWidth * index) + me.paddingLeft; if (offset) { pixel += tickWidth / 2; } var finalVal = me.left + Math.round(pixel); finalVal += me.isFullWidth() ? me.margins.left : 0; return finalVal; } var innerHeight = me.height - (me.paddingTop + me.paddingBottom); return me.top + (index * (innerHeight / (me._ticks.length - 1))); }, /** * Utility for getting the pixel location of a percentage of scale * The coordinate (0, 0) is at the upper-left corner of the canvas */ getPixelForDecimal: function(decimal) { var me = this; if (me.isHorizontal()) { var innerWidth = me.width - (me.paddingLeft + me.paddingRight); var valueOffset = (innerWidth * decimal) + me.paddingLeft; var finalVal = me.left + Math.round(valueOffset); finalVal += me.isFullWidth() ? me.margins.left : 0; return finalVal; } return me.top + (decimal * me.height); }, /** * Returns the pixel for the minimum chart value * The coordinate (0, 0) is at the upper-left corner of the canvas */ getBasePixel: function() { return this.getPixelForValue(this.getBaseValue()); }, getBaseValue: function() { var me = this; var min = me.min; var max = me.max; return me.beginAtZero ? 0 : min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0; }, /** * Returns a subset of ticks to be plotted to avoid overlapping labels. * @private */ _autoSkip: function(ticks) { var skipRatio; var me = this; var isHorizontal = me.isHorizontal(); var optionTicks = me.options.ticks.minor; var tickCount = ticks.length; var labelRotationRadians = helpers.toRadians(me.labelRotation); var cosRotation = Math.cos(labelRotationRadians); var longestRotatedLabel = me.longestLabelWidth * cosRotation; var result = []; var i, tick, shouldSkip; // figure out the maximum number of gridlines to show var maxTicks; if (optionTicks.maxTicksLimit) { maxTicks = optionTicks.maxTicksLimit; } if (isHorizontal) { skipRatio = false; if ((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount > (me.width - (me.paddingLeft + me.paddingRight))) { skipRatio = 1 + Math.floor(((longestRotatedLabel + optionTicks.autoSkipPadding) * tickCount) / (me.width - (me.paddingLeft + me.paddingRight))); } // if they defined a max number of optionTicks, // increase skipRatio until that number is met if (maxTicks && tickCount > maxTicks) { skipRatio = Math.max(skipRatio, Math.floor(tickCount / maxTicks)); } } for (i = 0; i < tickCount; i++) { tick = ticks[i]; // Since we always show the last tick,we need may need to hide the last shown one before shouldSkip = (skipRatio > 1 && i % skipRatio > 0) || (i % skipRatio === 0 && i + skipRatio >= tickCount); if (shouldSkip && i !== tickCount - 1) { // leave tick in place but make sure it's not displayed (#4635) delete tick.label; } result.push(tick); } return result; }, // Actually draw the scale on the canvas // @param {rectangle} chartArea : the area of the chart to draw full grid lines on draw: function(chartArea) { var me = this; var options = me.options; if (!options.display) { return; } var context = me.ctx; var globalDefaults = defaults.global; var optionTicks = options.ticks.minor; var optionMajorTicks = options.ticks.major || optionTicks; var gridLines = options.gridLines; var scaleLabel = options.scaleLabel; var isRotated = me.labelRotation !== 0; var isHorizontal = me.isHorizontal(); var ticks = optionTicks.autoSkip ? me._autoSkip(me.getTicks()) : me.getTicks(); var tickFontColor = helpers.valueOrDefault(optionTicks.fontColor, globalDefaults.defaultFontColor); var tickFont = parseFontOptions(optionTicks); var majorTickFontColor = helpers.valueOrDefault(optionMajorTicks.fontColor, globalDefaults.defaultFontColor); var majorTickFont = parseFontOptions(optionMajorTicks); var tl = gridLines.drawTicks ? gridLines.tickMarkLength : 0; var scaleLabelFontColor = helpers.valueOrDefault(scaleLabel.fontColor, globalDefaults.defaultFontColor); var scaleLabelFont = parseFontOptions(scaleLabel); var scaleLabelPadding = helpers.options.toPadding(scaleLabel.padding); var labelRotationRadians = helpers.toRadians(me.labelRotation); var itemsToDraw = []; var axisWidth = me.options.gridLines.lineWidth; var xTickStart = options.position === 'right' ? me.left : me.right - axisWidth - tl; var xTickEnd = options.position === 'right' ? me.left + tl : me.right; var yTickStart = options.position === 'bottom' ? me.top + axisWidth : me.bottom - tl - axisWidth; var yTickEnd = options.position === 'bottom' ? me.top + axisWidth + tl : me.bottom + axisWidth; helpers.each(ticks, function(tick, index) { // autoskipper skipped this tick (#4635) if (helpers.isNullOrUndef(tick.label)) { return; } var label = tick.label; var lineWidth, lineColor, borderDash, borderDashOffset; if (index === me.zeroLineIndex && options.offset === gridLines.offsetGridLines) { // Draw the first index specially lineWidth = gridLines.zeroLineWidth; lineColor = gridLines.zeroLineColor; borderDash = gridLines.zeroLineBorderDash; borderDashOffset = gridLines.zeroLineBorderDashOffset; } else { lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, index); lineColor = helpers.valueAtIndexOrDefault(gridLines.color, index); borderDash = helpers.valueOrDefault(gridLines.borderDash, globalDefaults.borderDash); borderDashOffset = helpers.valueOrDefault(gridLines.borderDashOffset, globalDefaults.borderDashOffset); } // Common properties var tx1, ty1, tx2, ty2, x1, y1, x2, y2, labelX, labelY; var textAlign = 'middle'; var textBaseline = 'middle'; var tickPadding = optionTicks.padding; if (isHorizontal) { var labelYOffset = tl + tickPadding; if (options.position === 'bottom') { // bottom textBaseline = !isRotated ? 'top' : 'middle'; textAlign = !isRotated ? 'center' : 'right'; labelY = me.top + labelYOffset; } else { // top textBaseline = !isRotated ? 'bottom' : 'middle'; textAlign = !isRotated ? 'center' : 'left'; labelY = me.bottom - labelYOffset; } var xLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); if (xLineValue < me.left) { lineColor = 'rgba(0,0,0,0)'; } xLineValue += helpers.aliasPixel(lineWidth); labelX = me.getPixelForTick(index) + optionTicks.labelOffset; // x values for optionTicks (need to consider offsetLabel option) tx1 = tx2 = x1 = x2 = xLineValue; ty1 = yTickStart; ty2 = yTickEnd; y1 = chartArea.top; y2 = chartArea.bottom + axisWidth; } else { var isLeft = options.position === 'left'; var labelXOffset; if (optionTicks.mirror) { textAlign = isLeft ? 'left' : 'right'; labelXOffset = tickPadding; } else { textAlign = isLeft ? 'right' : 'left'; labelXOffset = tl + tickPadding; } labelX = isLeft ? me.right - labelXOffset : me.left + labelXOffset; var yLineValue = getLineValue(me, index, gridLines.offsetGridLines && ticks.length > 1); if (yLineValue < me.top) { lineColor = 'rgba(0,0,0,0)'; } yLineValue += helpers.aliasPixel(lineWidth); labelY = me.getPixelForTick(index) + optionTicks.labelOffset; tx1 = xTickStart; tx2 = xTickEnd; x1 = chartArea.left; x2 = chartArea.right + axisWidth; ty1 = ty2 = y1 = y2 = yLineValue; } itemsToDraw.push({ tx1: tx1, ty1: ty1, tx2: tx2, ty2: ty2, x1: x1, y1: y1, x2: x2, y2: y2, labelX: labelX, labelY: labelY, glWidth: lineWidth, glColor: lineColor, glBorderDash: borderDash, glBorderDashOffset: borderDashOffset, rotation: -1 * labelRotationRadians, label: label, major: tick.major, textBaseline: textBaseline, textAlign: textAlign }); }); // Draw all of the tick labels, tick marks, and grid lines at the correct places helpers.each(itemsToDraw, function(itemToDraw) { if (gridLines.display) { context.save(); context.lineWidth = itemToDraw.glWidth; context.strokeStyle = itemToDraw.glColor; if (context.setLineDash) { context.setLineDash(itemToDraw.glBorderDash); context.lineDashOffset = itemToDraw.glBorderDashOffset; } context.beginPath(); if (gridLines.drawTicks) { context.moveTo(itemToDraw.tx1, itemToDraw.ty1); context.lineTo(itemToDraw.tx2, itemToDraw.ty2); } if (gridLines.drawOnChartArea) { context.moveTo(itemToDraw.x1, itemToDraw.y1); context.lineTo(itemToDraw.x2, itemToDraw.y2); } context.stroke(); context.restore(); } if (optionTicks.display) { // Make sure we draw text in the correct color and font context.save(); context.translate(itemToDraw.labelX, itemToDraw.labelY); context.rotate(itemToDraw.rotation); context.font = itemToDraw.major ? majorTickFont.font : tickFont.font; context.fillStyle = itemToDraw.major ? majorTickFontColor : tickFontColor; context.textBaseline = itemToDraw.textBaseline; context.textAlign = itemToDraw.textAlign; var label = itemToDraw.label; if (helpers.isArray(label)) { var lineCount = label.length; var lineHeight = tickFont.size * 1.5; var y = me.isHorizontal() ? 0 : -lineHeight * (lineCount - 1) / 2; for (var i = 0; i < lineCount; ++i) { // We just make sure the multiline element is a string here.. context.fillText('' + label[i], 0, y); // apply same lineSpacing as calculated @ L#320 y += lineHeight; } } else { context.fillText(label, 0, 0); } context.restore(); } }); if (scaleLabel.display) { // Draw the scale label var scaleLabelX; var scaleLabelY; var rotation = 0; var halfLineHeight = parseLineHeight(scaleLabel) / 2; if (isHorizontal) { scaleLabelX = me.left + ((me.right - me.left) / 2); // midpoint of the width scaleLabelY = options.position === 'bottom' ? me.bottom - halfLineHeight - scaleLabelPadding.bottom : me.top + halfLineHeight + scaleLabelPadding.top; } else { var isLeft = options.position === 'left'; scaleLabelX = isLeft ? me.left + halfLineHeight + scaleLabelPadding.top : me.right - halfLineHeight - scaleLabelPadding.top; scaleLabelY = me.top + ((me.bottom - me.top) / 2); rotation = isLeft ? -0.5 * Math.PI : 0.5 * Math.PI; } context.save(); context.translate(scaleLabelX, scaleLabelY); context.rotate(rotation); context.textAlign = 'center'; context.textBaseline = 'middle'; context.fillStyle = scaleLabelFontColor; // render in correct colour context.font = scaleLabelFont.font; context.fillText(scaleLabel.labelString, 0, 0); context.restore(); } if (gridLines.drawBorder) { // Draw the line at the edge of the axis context.lineWidth = helpers.valueAtIndexOrDefault(gridLines.lineWidth, 0); context.strokeStyle = helpers.valueAtIndexOrDefault(gridLines.color, 0); var x1 = me.left; var x2 = me.right + axisWidth; var y1 = me.top; var y2 = me.bottom + axisWidth; var aliasPixel = helpers.aliasPixel(context.lineWidth); if (isHorizontal) { y1 = y2 = options.position === 'top' ? me.bottom : me.top; y1 += aliasPixel; y2 += aliasPixel; } else { x1 = x2 = options.position === 'left' ? me.right : me.left; x1 += aliasPixel; x2 += aliasPixel; } context.beginPath(); context.moveTo(x1, y1); context.lineTo(x2, y2); context.stroke(); } } }); },{"26":26,"27":27,"35":35,"46":46}],34:[function(require,module,exports){ 'use strict'; var defaults = require(26); var helpers = require(46); var layouts = require(31); module.exports = { // 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, scaleDefaults) { this.constructors[type] = scaleConstructor; this.defaults[type] = helpers.clone(scaleDefaults); }, 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.merge({}, [defaults.scale, this.defaults[type]]) : {}; }, updateScaleDefaults: function(type, additions) { var me = this; if (me.defaults.hasOwnProperty(type)) { me.defaults[type] = helpers.extend(me.defaults[type], additions); } }, addScalesToLayout: function(chart) { // Adds each scale to the chart.boxes array to be sized accordingly helpers.each(chart.scales, function(scale) { // Set ILayoutItem parameters for backwards compatibility scale.fullWidth = scale.options.fullWidth; scale.position = scale.options.position; scale.weight = scale.options.weight; layouts.addBox(chart, scale); }); } }; },{"26":26,"31":31,"46":46}],35:[function(require,module,exports){ 'use strict'; var helpers = require(46); /** * Namespace to hold static tick generation functions * @namespace Chart.Ticks */ module.exports = { /** * Namespace to hold formatters for different types of ticks * @namespace Chart.Ticks.formatters */ formatters: { /** * Formatter for value labels * @method Chart.Ticks.formatters.values * @param value the value to display * @return {String|Array} the label to display */ values: function(value) { return helpers.isArray(value) ? value : '' + value; }, /** * Formatter for linear numeric ticks * @method Chart.Ticks.formatters.linear * @param tickValue {Number} the value to be formatted * @param index {Number} the position of the tickValue parameter in the ticks array * @param ticks {Array<Number>} the list of ticks being converted * @return {String} string representation of the tickValue parameter */ linear: function(tickValue, index, ticks) { // If we have lots of ticks, don't use the ones var delta = ticks.length > 3 ? ticks[2] - ticks[1] : ticks[1] - ticks[0]; // If we have a number like 2.5 as the delta, figure out how many decimal places we need if (Math.abs(delta) > 1) { if (tickValue !== Math.floor(tickValue)) { // not an integer delta = tickValue - Math.floor(tickValue); } } var logDelta = helpers.log10(Math.abs(delta)); var tickString = ''; if (tickValue !== 0) { var maxTick = Math.max(Math.abs(ticks[0]), Math.abs(ticks[ticks.length - 1])); if (maxTick < 1e-4) { // all ticks are small numbers; use scientific notation var logTick = helpers.log10(Math.abs(tickValue)); tickString = tickValue.toExponential(Math.floor(logTick) - Math.floor(logDelta)); } else { var numDecimal = -1 * Math.floor(logDelta); numDecimal = Math.max(Math.min(numDecimal, 20), 0); // toFixed has a max of 20 decimal places tickString = tickValue.toFixed(numDecimal); } } else { tickString = '0'; // never show decimal places for 0 } return tickString; }, logarithmic: function(tickValue, index, ticks) { var remain = tickValue / (Math.pow(10, Math.floor(helpers.log10(tickValue)))); if (tickValue === 0) { return '0'; } else if (remain === 1 || remain === 2 || remain === 5 || index === 0 || index === ticks.length - 1) { return tickValue.toExponential(); } return ''; } } }; },{"46":46}],36:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); defaults._set('global', { tooltips: { enabled: true, custom: null, mode: 'nearest', position: 'average', intersect: true, backgroundColor: 'rgba(0,0,0,0.8)', titleFontStyle: 'bold', titleSpacing: 2, titleMarginBottom: 6, titleFontColor: '#fff', titleAlign: 'left', bodySpacing: 2, bodyFontColor: '#fff', bodyAlign: 'left', footerFontStyle: 'bold', footerSpacing: 2, footerMarginTop: 6, footerFontColor: '#fff', footerAlign: 'left', yPadding: 6, xPadding: 6, caretPadding: 2, caretSize: 5, cornerRadius: 6, multiKeyBackground: '#fff', displayColors: true, borderColor: 'rgba(0,0,0,0)', borderWidth: 0, callbacks: { // Args are: (tooltipItems, data) beforeTitle: helpers.noop, title: function(tooltipItems, data) { // Pick first xLabel for now var title = ''; var labels = data.labels; var labelCount = labels ? labels.length : 0; if (tooltipItems.length > 0) { var item = tooltipItems[0]; if (item.xLabel) { title = item.xLabel; } else if (labelCount > 0 && item.index < labelCount) { title = labels[item.index]; } } return title; }, afterTitle: helpers.noop, // Args are: (tooltipItems, data) beforeBody: helpers.noop, // Args are: (tooltipItem, data) beforeLabel: helpers.noop, label: function(tooltipItem, data) { var label = data.datasets[tooltipItem.datasetIndex].label || ''; if (label) { label += ': '; } label += tooltipItem.yLabel; return label; }, labelColor: function(tooltipItem, chart) { var meta = chart.getDatasetMeta(tooltipItem.datasetIndex); var activeElement = meta.data[tooltipItem.index]; var view = activeElement._view; return { borderColor: view.borderColor, backgroundColor: view.backgroundColor }; }, labelTextColor: function() { return this._options.bodyFontColor; }, afterLabel: helpers.noop, // Args are: (tooltipItems, data) afterBody: helpers.noop, // Args are: (tooltipItems, data) beforeFooter: helpers.noop, footer: helpers.noop, afterFooter: helpers.noop } } }); var positioners = { /** * Average mode places the tooltip at the average position of the elements shown * @function Chart.Tooltip.positioners.average * @param elements {ChartElement[]} the elements being displayed in the tooltip * @returns {Point} tooltip position */ average: function(elements) { if (!elements.length) { return false; } var i, len; var x = 0; var y = 0; var count = 0; for (i = 0, len = elements.length; i < len; ++i) { var el = elements[i]; if (el && el.hasValue()) { var pos = el.tooltipPosition(); x += pos.x; y += pos.y; ++count; } } return { x: Math.round(x / count), y: Math.round(y / count) }; }, /** * Gets the tooltip position nearest of the item nearest to the event position * @function Chart.Tooltip.positioners.nearest * @param elements {Chart.Element[]} the tooltip elements * @param eventPosition {Point} the position of the event in canvas coordinates * @returns {Point} the tooltip position */ nearest: function(elements, eventPosition) { var x = eventPosition.x; var y = eventPosition.y; var minDistance = Number.POSITIVE_INFINITY; var i, len, nearestElement; for (i = 0, len = elements.length; i < len; ++i) { var el = elements[i]; if (el && el.hasValue()) { var center = el.getCenterPoint(); var d = helpers.distanceBetweenPoints(eventPosition, center); if (d < minDistance) { minDistance = d; nearestElement = el; } } } if (nearestElement) { var tp = nearestElement.tooltipPosition(); x = tp.x; y = tp.y; } return { x: x, y: y }; } }; /** * Helper method to merge the opacity into a color */ function mergeOpacity(colorString, opacity) { var color = helpers.color(colorString); return color.alpha(opacity * color.alpha()).rgbaString(); } // Helper to push or concat based on if the 2nd parameter is an array or not function pushOrConcat(base, toPush) { if (toPush) { if (helpers.isArray(toPush)) { // base = base.concat(toPush); Array.prototype.push.apply(base, toPush); } else { base.push(toPush); } } return base; } /** * Returns array of strings split by newline * @param {String} value - The value to split by newline. * @returns {Array} value if newline present - Returned from String split() method * @function */ function splitNewlines(str) { if ((typeof str === 'string' || str instanceof String) && str.indexOf('\n') > -1) { return str.split('\n'); } return str; } // Private helper to create a tooltip item model // @param element : the chart element (point, arc, bar) to create the tooltip item for // @return : new tooltip item function createTooltipItem(element) { var xScale = element._xScale; var yScale = element._yScale || element._scale; // handle radar || polarArea charts var index = element._index; var datasetIndex = element._datasetIndex; return { xLabel: xScale ? xScale.getLabelForIndex(index, datasetIndex) : '', yLabel: yScale ? yScale.getLabelForIndex(index, datasetIndex) : '', index: index, datasetIndex: datasetIndex, x: element._model.x, y: element._model.y }; } /** * Helper to get the reset model for the tooltip * @param tooltipOpts {Object} the tooltip options */ function getBaseModel(tooltipOpts) { var globalDefaults = defaults.global; var valueOrDefault = helpers.valueOrDefault; return { // Positioning xPadding: tooltipOpts.xPadding, yPadding: tooltipOpts.yPadding, xAlign: tooltipOpts.xAlign, yAlign: tooltipOpts.yAlign, // Body bodyFontColor: tooltipOpts.bodyFontColor, _bodyFontFamily: valueOrDefault(tooltipOpts.bodyFontFamily, globalDefaults.defaultFontFamily), _bodyFontStyle: valueOrDefault(tooltipOpts.bodyFontStyle, globalDefaults.defaultFontStyle), _bodyAlign: tooltipOpts.bodyAlign, bodyFontSize: valueOrDefault(tooltipOpts.bodyFontSize, globalDefaults.defaultFontSize), bodySpacing: tooltipOpts.bodySpacing, // Title titleFontColor: tooltipOpts.titleFontColor, _titleFontFamily: valueOrDefault(tooltipOpts.titleFontFamily, globalDefaults.defaultFontFamily), _titleFontStyle: valueOrDefault(tooltipOpts.titleFontStyle, globalDefaults.defaultFontStyle), titleFontSize: valueOrDefault(tooltipOpts.titleFontSize, globalDefaults.defaultFontSize), _titleAlign: tooltipOpts.titleAlign, titleSpacing: tooltipOpts.titleSpacing, titleMarginBottom: tooltipOpts.titleMarginBottom, // Footer footerFontColor: tooltipOpts.footerFontColor, _footerFontFamily: valueOrDefault(tooltipOpts.footerFontFamily, globalDefaults.defaultFontFamily), _footerFontStyle: valueOrDefault(tooltipOpts.footerFontStyle, globalDefaults.defaultFontStyle), footerFontSize: valueOrDefault(tooltipOpts.footerFontSize, globalDefaults.defaultFontSize), _footerAlign: tooltipOpts.footerAlign, footerSpacing: tooltipOpts.footerSpacing, footerMarginTop: tooltipOpts.footerMarginTop, // Appearance caretSize: tooltipOpts.caretSize, cornerRadius: tooltipOpts.cornerRadius, backgroundColor: tooltipOpts.backgroundColor, opacity: 0, legendColorBackground: tooltipOpts.multiKeyBackground, displayColors: tooltipOpts.displayColors, borderColor: tooltipOpts.borderColor, borderWidth: tooltipOpts.borderWidth }; } /** * Get the size of the tooltip */ function getTooltipSize(tooltip, model) { var ctx = tooltip._chart.ctx; var height = model.yPadding * 2; // Tooltip Padding var width = 0; // Count of all lines in the body var body = model.body; var combinedBodyLength = body.reduce(function(count, bodyItem) { return count + bodyItem.before.length + bodyItem.lines.length + bodyItem.after.length; }, 0); combinedBodyLength += model.beforeBody.length + model.afterBody.length; var titleLineCount = model.title.length; var footerLineCount = model.footer.length; var titleFontSize = model.titleFontSize; var bodyFontSize = model.bodyFontSize; var footerFontSize = model.footerFontSize; height += titleLineCount * titleFontSize; // Title Lines height += titleLineCount ? (titleLineCount - 1) * model.titleSpacing : 0; // Title Line Spacing height += titleLineCount ? model.titleMarginBottom : 0; // Title's bottom Margin height += combinedBodyLength * bodyFontSize; // Body Lines height += combinedBodyLength ? (combinedBodyLength - 1) * model.bodySpacing : 0; // Body Line Spacing height += footerLineCount ? model.footerMarginTop : 0; // Footer Margin height += footerLineCount * (footerFontSize); // Footer Lines height += footerLineCount ? (footerLineCount - 1) * model.footerSpacing : 0; // Footer Line Spacing // Title width var widthPadding = 0; var maxLineWidth = function(line) { width = Math.max(width, ctx.measureText(line).width + widthPadding); }; ctx.font = helpers.fontString(titleFontSize, model._titleFontStyle, model._titleFontFamily); helpers.each(model.title, maxLineWidth); // Body width ctx.font = helpers.fontString(bodyFontSize, model._bodyFontStyle, model._bodyFontFamily); helpers.each(model.beforeBody.concat(model.afterBody), maxLineWidth); // Body lines may include some extra width due to the color box widthPadding = model.displayColors ? (bodyFontSize + 2) : 0; helpers.each(body, function(bodyItem) { helpers.each(bodyItem.before, maxLineWidth); helpers.each(bodyItem.lines, maxLineWidth); helpers.each(bodyItem.after, maxLineWidth); }); // Reset back to 0 widthPadding = 0; // Footer width ctx.font = helpers.fontString(footerFontSize, model._footerFontStyle, model._footerFontFamily); helpers.each(model.footer, maxLineWidth); // Add padding width += 2 * model.xPadding; return { width: width, height: height }; } /** * Helper to get the alignment of a tooltip given the size */ function determineAlignment(tooltip, size) { var model = tooltip._model; var chart = tooltip._chart; var chartArea = tooltip._chart.chartArea; var xAlign = 'center'; var yAlign = 'center'; if (model.y < size.height) { yAlign = 'top'; } else if (model.y > (chart.height - size.height)) { yAlign = 'bottom'; } var lf, rf; // functions to determine left, right alignment var olf, orf; // functions to determine if left/right alignment causes tooltip to go outside chart var yf; // function to get the y alignment if the tooltip goes outside of the left or right edges var midX = (chartArea.left + chartArea.right) / 2; var midY = (chartArea.top + chartArea.bottom) / 2; if (yAlign === 'center') { lf = function(x) { return x <= midX; }; rf = function(x) { return x > midX; }; } else { lf = function(x) { return x <= (size.width / 2); }; rf = function(x) { return x >= (chart.width - (size.width / 2)); }; } olf = function(x) { return x + size.width + model.caretSize + model.caretPadding > chart.width; }; orf = function(x) { return x - size.width - model.caretSize - model.caretPadding < 0; }; yf = function(y) { return y <= midY ? 'top' : 'bottom'; }; if (lf(model.x)) { xAlign = 'left'; // Is tooltip too wide and goes over the right side of the chart.? if (olf(model.x)) { xAlign = 'center'; yAlign = yf(model.y); } } else if (rf(model.x)) { xAlign = 'right'; // Is tooltip too wide and goes outside left edge of canvas? if (orf(model.x)) { xAlign = 'center'; yAlign = yf(model.y); } } var opts = tooltip._options; return { xAlign: opts.xAlign ? opts.xAlign : xAlign, yAlign: opts.yAlign ? opts.yAlign : yAlign }; } /** * Helper to get the location a tooltip needs to be placed at given the initial position (via the vm) and the size and alignment */ function getBackgroundPoint(vm, size, alignment, chart) { // Background Position var x = vm.x; var y = vm.y; var caretSize = vm.caretSize; var caretPadding = vm.caretPadding; var cornerRadius = vm.cornerRadius; var xAlign = alignment.xAlign; var yAlign = alignment.yAlign; var paddingAndSize = caretSize + caretPadding; var radiusAndPadding = cornerRadius + caretPadding; if (xAlign === 'right') { x -= size.width; } else if (xAlign === 'center') { x -= (size.width / 2); if (x + size.width > chart.width) { x = chart.width - size.width; } if (x < 0) { x = 0; } } if (yAlign === 'top') { y += paddingAndSize; } else if (yAlign === 'bottom') { y -= size.height + paddingAndSize; } else { y -= (size.height / 2); } if (yAlign === 'center') { if (xAlign === 'left') { x += paddingAndSize; } else if (xAlign === 'right') { x -= paddingAndSize; } } else if (xAlign === 'left') { x -= radiusAndPadding; } else if (xAlign === 'right') { x += radiusAndPadding; } return { x: x, y: y }; } /** * Helper to build before and after body lines */ function getBeforeAfterBodyLines(callback) { return pushOrConcat([], splitNewlines(callback)); } var exports = module.exports = Element.extend({ initialize: function() { this._model = getBaseModel(this._options); this._lastActive = []; }, // Get the title // Args are: (tooltipItem, data) getTitle: function() { var me = this; var opts = me._options; var callbacks = opts.callbacks; var beforeTitle = callbacks.beforeTitle.apply(me, arguments); var title = callbacks.title.apply(me, arguments); var afterTitle = callbacks.afterTitle.apply(me, arguments); var lines = []; lines = pushOrConcat(lines, splitNewlines(beforeTitle)); lines = pushOrConcat(lines, splitNewlines(title)); lines = pushOrConcat(lines, splitNewlines(afterTitle)); return lines; }, // Args are: (tooltipItem, data) getBeforeBody: function() { return getBeforeAfterBodyLines(this._options.callbacks.beforeBody.apply(this, arguments)); }, // Args are: (tooltipItem, data) getBody: function(tooltipItems, data) { var me = this; var callbacks = me._options.callbacks; var bodyItems = []; helpers.each(tooltipItems, function(tooltipItem) { var bodyItem = { before: [], lines: [], after: [] }; pushOrConcat(bodyItem.before, splitNewlines(callbacks.beforeLabel.call(me, tooltipItem, data))); pushOrConcat(bodyItem.lines, callbacks.label.call(me, tooltipItem, data)); pushOrConcat(bodyItem.after, splitNewlines(callbacks.afterLabel.call(me, tooltipItem, data))); bodyItems.push(bodyItem); }); return bodyItems; }, // Args are: (tooltipItem, data) getAfterBody: function() { return getBeforeAfterBodyLines(this._options.callbacks.afterBody.apply(this, arguments)); }, // Get the footer and beforeFooter and afterFooter lines // Args are: (tooltipItem, data) getFooter: function() { var me = this; var callbacks = me._options.callbacks; var beforeFooter = callbacks.beforeFooter.apply(me, arguments); var footer = callbacks.footer.apply(me, arguments); var afterFooter = callbacks.afterFooter.apply(me, arguments); var lines = []; lines = pushOrConcat(lines, splitNewlines(beforeFooter)); lines = pushOrConcat(lines, splitNewlines(footer)); lines = pushOrConcat(lines, splitNewlines(afterFooter)); return lines; }, update: function(changed) { var me = this; var opts = me._options; // Need to regenerate the model because its faster than using extend and it is necessary due to the optimization in Chart.Element.transition // that does _view = _model if ease === 1. This causes the 2nd tooltip update to set properties in both the view and model at the same time // which breaks any animations. var existingModel = me._model; var model = me._model = getBaseModel(opts); var active = me._active; var data = me._data; // In the case where active.length === 0 we need to keep these at existing values for good animations var alignment = { xAlign: existingModel.xAlign, yAlign: existingModel.yAlign }; var backgroundPoint = { x: existingModel.x, y: existingModel.y }; var tooltipSize = { width: existingModel.width, height: existingModel.height }; var tooltipPosition = { x: existingModel.caretX, y: existingModel.caretY }; var i, len; if (active.length) { model.opacity = 1; var labelColors = []; var labelTextColors = []; tooltipPosition = positioners[opts.position].call(me, active, me._eventPosition); var tooltipItems = []; for (i = 0, len = active.length; i < len; ++i) { tooltipItems.push(createTooltipItem(active[i])); } // If the user provided a filter function, use it to modify the tooltip items if (opts.filter) { tooltipItems = tooltipItems.filter(function(a) { return opts.filter(a, data); }); } // If the user provided a sorting function, use it to modify the tooltip items if (opts.itemSort) { tooltipItems = tooltipItems.sort(function(a, b) { return opts.itemSort(a, b, data); }); } // Determine colors for boxes helpers.each(tooltipItems, function(tooltipItem) { labelColors.push(opts.callbacks.labelColor.call(me, tooltipItem, me._chart)); labelTextColors.push(opts.callbacks.labelTextColor.call(me, tooltipItem, me._chart)); }); // Build the Text Lines model.title = me.getTitle(tooltipItems, data); model.beforeBody = me.getBeforeBody(tooltipItems, data); model.body = me.getBody(tooltipItems, data); model.afterBody = me.getAfterBody(tooltipItems, data); model.footer = me.getFooter(tooltipItems, data); // Initial positioning and colors model.x = Math.round(tooltipPosition.x); model.y = Math.round(tooltipPosition.y); model.caretPadding = opts.caretPadding; model.labelColors = labelColors; model.labelTextColors = labelTextColors; // data points model.dataPoints = tooltipItems; // We need to determine alignment of the tooltip tooltipSize = getTooltipSize(this, model); alignment = determineAlignment(this, tooltipSize); // Final Size and Position backgroundPoint = getBackgroundPoint(model, tooltipSize, alignment, me._chart); } else { model.opacity = 0; } model.xAlign = alignment.xAlign; model.yAlign = alignment.yAlign; model.x = backgroundPoint.x; model.y = backgroundPoint.y; model.width = tooltipSize.width; model.height = tooltipSize.height; // Point where the caret on the tooltip points to model.caretX = tooltipPosition.x; model.caretY = tooltipPosition.y; me._model = model; if (changed && opts.custom) { opts.custom.call(me, model); } return me; }, drawCaret: function(tooltipPoint, size) { var ctx = this._chart.ctx; var vm = this._view; var caretPosition = this.getCaretPosition(tooltipPoint, size, vm); ctx.lineTo(caretPosition.x1, caretPosition.y1); ctx.lineTo(caretPosition.x2, caretPosition.y2); ctx.lineTo(caretPosition.x3, caretPosition.y3); }, getCaretPosition: function(tooltipPoint, size, vm) { var x1, x2, x3, y1, y2, y3; var caretSize = vm.caretSize; var cornerRadius = vm.cornerRadius; var xAlign = vm.xAlign; var yAlign = vm.yAlign; var ptX = tooltipPoint.x; var ptY = tooltipPoint.y; var width = size.width; var height = size.height; if (yAlign === 'center') { y2 = ptY + (height / 2); if (xAlign === 'left') { x1 = ptX; x2 = x1 - caretSize; x3 = x1; y1 = y2 + caretSize; y3 = y2 - caretSize; } else { x1 = ptX + width; x2 = x1 + caretSize; x3 = x1; y1 = y2 - caretSize; y3 = y2 + caretSize; } } else { if (xAlign === 'left') { x2 = ptX + cornerRadius + (caretSize); x1 = x2 - caretSize; x3 = x2 + caretSize; } else if (xAlign === 'right') { x2 = ptX + width - cornerRadius - caretSize; x1 = x2 - caretSize; x3 = x2 + caretSize; } else { x2 = vm.caretX; x1 = x2 - caretSize; x3 = x2 + caretSize; } if (yAlign === 'top') { y1 = ptY; y2 = y1 - caretSize; y3 = y1; } else { y1 = ptY + height; y2 = y1 + caretSize; y3 = y1; // invert drawing order var tmp = x3; x3 = x1; x1 = tmp; } } return {x1: x1, x2: x2, x3: x3, y1: y1, y2: y2, y3: y3}; }, drawTitle: function(pt, vm, ctx, opacity) { var title = vm.title; if (title.length) { ctx.textAlign = vm._titleAlign; ctx.textBaseline = 'top'; var titleFontSize = vm.titleFontSize; var titleSpacing = vm.titleSpacing; ctx.fillStyle = mergeOpacity(vm.titleFontColor, opacity); ctx.font = helpers.fontString(titleFontSize, vm._titleFontStyle, vm._titleFontFamily); var i, len; for (i = 0, len = title.length; i < len; ++i) { ctx.fillText(title[i], pt.x, pt.y); pt.y += titleFontSize + titleSpacing; // Line Height and spacing if (i + 1 === title.length) { pt.y += vm.titleMarginBottom - titleSpacing; // If Last, add margin, remove spacing } } } }, drawBody: function(pt, vm, ctx, opacity) { var bodyFontSize = vm.bodyFontSize; var bodySpacing = vm.bodySpacing; var body = vm.body; ctx.textAlign = vm._bodyAlign; ctx.textBaseline = 'top'; ctx.font = helpers.fontString(bodyFontSize, vm._bodyFontStyle, vm._bodyFontFamily); // Before Body var xLinePadding = 0; var fillLineOfText = function(line) { ctx.fillText(line, pt.x + xLinePadding, pt.y); pt.y += bodyFontSize + bodySpacing; }; // Before body lines ctx.fillStyle = mergeOpacity(vm.bodyFontColor, opacity); helpers.each(vm.beforeBody, fillLineOfText); var drawColorBoxes = vm.displayColors; xLinePadding = drawColorBoxes ? (bodyFontSize + 2) : 0; // Draw body lines now helpers.each(body, function(bodyItem, i) { var textColor = mergeOpacity(vm.labelTextColors[i], opacity); ctx.fillStyle = textColor; helpers.each(bodyItem.before, fillLineOfText); helpers.each(bodyItem.lines, function(line) { // Draw Legend-like boxes if needed if (drawColorBoxes) { // Fill a white rect so that colours merge nicely if the opacity is < 1 ctx.fillStyle = mergeOpacity(vm.legendColorBackground, opacity); ctx.fillRect(pt.x, pt.y, bodyFontSize, bodyFontSize); // Border ctx.lineWidth = 1; ctx.strokeStyle = mergeOpacity(vm.labelColors[i].borderColor, opacity); ctx.strokeRect(pt.x, pt.y, bodyFontSize, bodyFontSize); // Inner square ctx.fillStyle = mergeOpacity(vm.labelColors[i].backgroundColor, opacity); ctx.fillRect(pt.x + 1, pt.y + 1, bodyFontSize - 2, bodyFontSize - 2); ctx.fillStyle = textColor; } fillLineOfText(line); }); helpers.each(bodyItem.after, fillLineOfText); }); // Reset back to 0 for after body xLinePadding = 0; // After body lines helpers.each(vm.afterBody, fillLineOfText); pt.y -= bodySpacing; // Remove last body spacing }, drawFooter: function(pt, vm, ctx, opacity) { var footer = vm.footer; if (footer.length) { pt.y += vm.footerMarginTop; ctx.textAlign = vm._footerAlign; ctx.textBaseline = 'top'; ctx.fillStyle = mergeOpacity(vm.footerFontColor, opacity); ctx.font = helpers.fontString(vm.footerFontSize, vm._footerFontStyle, vm._footerFontFamily); helpers.each(footer, function(line) { ctx.fillText(line, pt.x, pt.y); pt.y += vm.footerFontSize + vm.footerSpacing; }); } }, drawBackground: function(pt, vm, ctx, tooltipSize, opacity) { ctx.fillStyle = mergeOpacity(vm.backgroundColor, opacity); ctx.strokeStyle = mergeOpacity(vm.borderColor, opacity); ctx.lineWidth = vm.borderWidth; var xAlign = vm.xAlign; var yAlign = vm.yAlign; var x = pt.x; var y = pt.y; var width = tooltipSize.width; var height = tooltipSize.height; var radius = vm.cornerRadius; ctx.beginPath(); ctx.moveTo(x + radius, y); if (yAlign === 'top') { this.drawCaret(pt, tooltipSize); } ctx.lineTo(x + width - radius, y); ctx.quadraticCurveTo(x + width, y, x + width, y + radius); if (yAlign === 'center' && xAlign === 'right') { this.drawCaret(pt, tooltipSize); } ctx.lineTo(x + width, y + height - radius); ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height); if (yAlign === 'bottom') { this.drawCaret(pt, tooltipSize); } ctx.lineTo(x + radius, y + height); ctx.quadraticCurveTo(x, y + height, x, y + height - radius); if (yAlign === 'center' && xAlign === 'left') { this.drawCaret(pt, tooltipSize); } ctx.lineTo(x, y + radius); ctx.quadraticCurveTo(x, y, x + radius, y); ctx.closePath(); ctx.fill(); if (vm.borderWidth > 0) { ctx.stroke(); } }, draw: function() { var ctx = this._chart.ctx; var vm = this._view; if (vm.opacity === 0) { return; } var tooltipSize = { width: vm.width, height: vm.height }; var pt = { x: vm.x, y: vm.y }; // IE11/Edge does not like very small opacities, so snap to 0 var opacity = Math.abs(vm.opacity < 1e-3) ? 0 : vm.opacity; // Truthy/falsey value for empty tooltip var hasTooltipContent = vm.title.length || vm.beforeBody.length || vm.body.length || vm.afterBody.length || vm.footer.length; if (this._options.enabled && hasTooltipContent) { // Draw Background this.drawBackground(pt, vm, ctx, tooltipSize, opacity); // Draw Title, Body, and Footer pt.x += vm.xPadding; pt.y += vm.yPadding; // Titles this.drawTitle(pt, vm, ctx, opacity); // Body this.drawBody(pt, vm, ctx, opacity); // Footer this.drawFooter(pt, vm, ctx, opacity); } }, /** * Handle an event * @private * @param {IEvent} event - The event to handle * @returns {Boolean} true if the tooltip changed */ handleEvent: function(e) { var me = this; var options = me._options; var changed = false; me._lastActive = me._lastActive || []; // Find Active Elements for tooltips if (e.type === 'mouseout') { me._active = []; } else { me._active = me._chart.getElementsAtEventForMode(e, options.mode, options); } // Remember Last Actives changed = !helpers.arrayEquals(me._active, me._lastActive); // Only handle target event on tooltip change if (changed) { me._lastActive = me._active; if (options.enabled || options.custom) { me._eventPosition = { x: e.x, y: e.y }; me.update(true); me.pivot(); } } return changed; } }); /** * @namespace Chart.Tooltip.positioners */ exports.positioners = positioners; },{"26":26,"27":27,"46":46}],37:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); defaults._set('global', { elements: { arc: { backgroundColor: defaults.global.defaultColor, borderColor: '#fff', borderWidth: 2 } } }); module.exports = Element.extend({ inLabelRange: function(mouseX) { var vm = this._view; if (vm) { return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2)); } return false; }, inRange: function(chartX, chartY) { var vm = this._view; if (vm) { var pointRelativePosition = helpers.getAngleFromPoint(vm, {x: chartX, y: chartY}); var angle = pointRelativePosition.angle; var distance = pointRelativePosition.distance; // Sanitise angle range var startAngle = vm.startAngle; var endAngle = vm.endAngle; while (endAngle < startAngle) { endAngle += 2.0 * Math.PI; } while (angle > endAngle) { angle -= 2.0 * Math.PI; } while (angle < startAngle) { angle += 2.0 * Math.PI; } // Check if within the range of the open/close angle var betweenAngles = (angle >= startAngle && angle <= endAngle); var withinRadius = (distance >= vm.innerRadius && distance <= vm.outerRadius); return (betweenAngles && withinRadius); } return false; }, getCenterPoint: function() { var vm = this._view; var halfAngle = (vm.startAngle + vm.endAngle) / 2; var halfRadius = (vm.innerRadius + vm.outerRadius) / 2; return { x: vm.x + Math.cos(halfAngle) * halfRadius, y: vm.y + Math.sin(halfAngle) * halfRadius }; }, getArea: function() { var vm = this._view; return Math.PI * ((vm.endAngle - vm.startAngle) / (2 * Math.PI)) * (Math.pow(vm.outerRadius, 2) - Math.pow(vm.innerRadius, 2)); }, tooltipPosition: function() { var vm = this._view; var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2); var 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; var sA = vm.startAngle; var eA = vm.endAngle; ctx.beginPath(); ctx.arc(vm.x, vm.y, vm.outerRadius, sA, eA); ctx.arc(vm.x, vm.y, vm.innerRadius, eA, sA, true); ctx.closePath(); ctx.strokeStyle = vm.borderColor; ctx.lineWidth = vm.borderWidth; ctx.fillStyle = vm.backgroundColor; ctx.fill(); ctx.lineJoin = 'bevel'; if (vm.borderWidth) { ctx.stroke(); } } }); },{"26":26,"27":27,"46":46}],38:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); var globalDefaults = defaults.global; defaults._set('global', { elements: { line: { tension: 0.4, backgroundColor: globalDefaults.defaultColor, borderWidth: 3, borderColor: globalDefaults.defaultColor, borderCapStyle: 'butt', borderDash: [], borderDashOffset: 0.0, borderJoinStyle: 'miter', capBezierPoints: true, fill: true, // do we fill in the area between the line and its base axis } } }); module.exports = Element.extend({ draw: function() { var me = this; var vm = me._view; var ctx = me._chart.ctx; var spanGaps = vm.spanGaps; var points = me._children.slice(); // clone array var globalOptionLineElements = globalDefaults.elements.line; var lastDrawnIndex = -1; var index, current, previous, currentVM; // If we are looping, adding the first point again if (me._loop && points.length) { points.push(points[0]); } ctx.save(); // Stroke Line Options ctx.lineCap = vm.borderCapStyle || globalOptionLineElements.borderCapStyle; // IE 9 and 10 do not support line dash if (ctx.setLineDash) { ctx.setLineDash(vm.borderDash || globalOptionLineElements.borderDash); } ctx.lineDashOffset = vm.borderDashOffset || globalOptionLineElements.borderDashOffset; ctx.lineJoin = vm.borderJoinStyle || globalOptionLineElements.borderJoinStyle; ctx.lineWidth = vm.borderWidth || globalOptionLineElements.borderWidth; ctx.strokeStyle = vm.borderColor || globalDefaults.defaultColor; // Stroke Line ctx.beginPath(); lastDrawnIndex = -1; for (index = 0; index < points.length; ++index) { current = points[index]; previous = helpers.previousItem(points, index); currentVM = current._view; // First point moves to it's starting position no matter what if (index === 0) { if (!currentVM.skip) { ctx.moveTo(currentVM.x, currentVM.y); lastDrawnIndex = index; } } else { previous = lastDrawnIndex === -1 ? previous : points[lastDrawnIndex]; if (!currentVM.skip) { if ((lastDrawnIndex !== (index - 1) && !spanGaps) || lastDrawnIndex === -1) { // There was a gap and this is the first point after the gap ctx.moveTo(currentVM.x, currentVM.y); } else { // Line to next point helpers.canvas.lineTo(ctx, previous._view, current._view); } lastDrawnIndex = index; } } } ctx.stroke(); ctx.restore(); } }); },{"26":26,"27":27,"46":46}],39:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); var defaultColor = defaults.global.defaultColor; defaults._set('global', { elements: { point: { radius: 3, pointStyle: 'circle', backgroundColor: defaultColor, borderColor: defaultColor, borderWidth: 1, // Hover hitRadius: 1, hoverRadius: 4, hoverBorderWidth: 1 } } }); function xRange(mouseX) { var vm = this._view; return vm ? (Math.abs(mouseX - vm.x) < vm.radius + vm.hitRadius) : false; } function yRange(mouseY) { var vm = this._view; return vm ? (Math.abs(mouseY - vm.y) < vm.radius + vm.hitRadius) : false; } module.exports = Element.extend({ inRange: function(mouseX, mouseY) { var vm = this._view; return vm ? ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(vm.hitRadius + vm.radius, 2)) : false; }, inLabelRange: xRange, inXRange: xRange, inYRange: yRange, getCenterPoint: function() { var vm = this._view; return { x: vm.x, y: vm.y }; }, getArea: function() { return Math.PI * Math.pow(this._view.radius, 2); }, tooltipPosition: function() { var vm = this._view; return { x: vm.x, y: vm.y, padding: vm.radius + vm.borderWidth }; }, draw: function(chartArea) { var vm = this._view; var model = this._model; var ctx = this._chart.ctx; var pointStyle = vm.pointStyle; var rotation = vm.rotation; var radius = vm.radius; var x = vm.x; var y = vm.y; var errMargin = 1.01; // 1.01 is margin for Accumulated error. (Especially Edge, IE.) if (vm.skip) { return; } // Clipping for Points. if (chartArea === undefined || (model.x >= chartArea.left && chartArea.right * errMargin >= model.x && model.y >= chartArea.top && chartArea.bottom * errMargin >= model.y)) { ctx.strokeStyle = vm.borderColor || defaultColor; ctx.lineWidth = helpers.valueOrDefault(vm.borderWidth, defaults.global.elements.point.borderWidth); ctx.fillStyle = vm.backgroundColor || defaultColor; helpers.canvas.drawPoint(ctx, pointStyle, radius, x, y, rotation); } } }); },{"26":26,"27":27,"46":46}],40:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); defaults._set('global', { elements: { rectangle: { backgroundColor: defaults.global.defaultColor, borderColor: defaults.global.defaultColor, borderSkipped: 'bottom', borderWidth: 0 } } }); function isVertical(bar) { return bar._view.width !== undefined; } /** * Helper function to get the bounds of the bar regardless of the orientation * @param bar {Chart.Element.Rectangle} the bar * @return {Bounds} bounds of the bar * @private */ function getBarBounds(bar) { var vm = bar._view; var x1, x2, y1, y2; if (isVertical(bar)) { // vertical var halfWidth = vm.width / 2; x1 = vm.x - halfWidth; x2 = vm.x + halfWidth; y1 = Math.min(vm.y, vm.base); y2 = Math.max(vm.y, vm.base); } else { // horizontal bar var halfHeight = vm.height / 2; x1 = Math.min(vm.x, vm.base); x2 = Math.max(vm.x, vm.base); y1 = vm.y - halfHeight; y2 = vm.y + halfHeight; } return { left: x1, top: y1, right: x2, bottom: y2 }; } module.exports = Element.extend({ draw: function() { var ctx = this._chart.ctx; var vm = this._view; var left, right, top, bottom, signX, signY, borderSkipped; var borderWidth = vm.borderWidth; if (!vm.horizontal) { // bar left = vm.x - vm.width / 2; right = vm.x + vm.width / 2; top = vm.y; bottom = vm.base; signX = 1; signY = bottom > top ? 1 : -1; borderSkipped = vm.borderSkipped || 'bottom'; } else { // horizontal bar left = vm.base; right = vm.x; top = vm.y - vm.height / 2; bottom = vm.y + vm.height / 2; signX = right > left ? 1 : -1; signY = 1; borderSkipped = vm.borderSkipped || 'left'; } // Canvas doesn't allow us to stroke inside the width so we can // adjust the sizes to fit if we're setting a stroke on the line if (borderWidth) { // borderWidth shold be less than bar width and bar height. var barSize = Math.min(Math.abs(left - right), Math.abs(top - bottom)); borderWidth = borderWidth > barSize ? barSize : borderWidth; var halfStroke = borderWidth / 2; // Adjust borderWidth when bar top position is near vm.base(zero). var borderLeft = left + (borderSkipped !== 'left' ? halfStroke * signX : 0); var borderRight = right + (borderSkipped !== 'right' ? -halfStroke * signX : 0); var borderTop = top + (borderSkipped !== 'top' ? halfStroke * signY : 0); var borderBottom = bottom + (borderSkipped !== 'bottom' ? -halfStroke * signY : 0); // not become a vertical line? if (borderLeft !== borderRight) { top = borderTop; bottom = borderBottom; } // not become a horizontal line? if (borderTop !== borderBottom) { left = borderLeft; right = borderRight; } } ctx.beginPath(); ctx.fillStyle = vm.backgroundColor; ctx.strokeStyle = vm.borderColor; ctx.lineWidth = borderWidth; // Corner points, from bottom-left to bottom-right clockwise // | 1 2 | // | 0 3 | var corners = [ [left, bottom], [left, top], [right, top], [right, bottom] ]; // Find first (starting) corner with fallback to 'bottom' var borders = ['bottom', 'left', 'top', 'right']; var startCorner = borders.indexOf(borderSkipped, 0); if (startCorner === -1) { startCorner = 0; } function cornerAt(index) { return corners[(startCorner + index) % 4]; } // Draw rectangle from 'startCorner' var corner = cornerAt(0); ctx.moveTo(corner[0], corner[1]); for (var i = 1; i < 4; i++) { corner = cornerAt(i); ctx.lineTo(corner[0], corner[1]); } ctx.fill(); if (borderWidth) { ctx.stroke(); } }, height: function() { var vm = this._view; return vm.base - vm.y; }, inRange: function(mouseX, mouseY) { var inRange = false; if (this._view) { var bounds = getBarBounds(this); inRange = mouseX >= bounds.left && mouseX <= bounds.right && mouseY >= bounds.top && mouseY <= bounds.bottom; } return inRange; }, inLabelRange: function(mouseX, mouseY) { var me = this; if (!me._view) { return false; } var inRange = false; var bounds = getBarBounds(me); if (isVertical(me)) { inRange = mouseX >= bounds.left && mouseX <= bounds.right; } else { inRange = mouseY >= bounds.top && mouseY <= bounds.bottom; } return inRange; }, inXRange: function(mouseX) { var bounds = getBarBounds(this); return mouseX >= bounds.left && mouseX <= bounds.right; }, inYRange: function(mouseY) { var bounds = getBarBounds(this); return mouseY >= bounds.top && mouseY <= bounds.bottom; }, getCenterPoint: function() { var vm = this._view; var x, y; if (isVertical(this)) { x = vm.x; y = (vm.y + vm.base) / 2; } else { x = (vm.x + vm.base) / 2; y = vm.y; } return {x: x, y: y}; }, getArea: function() { var vm = this._view; return vm.width * Math.abs(vm.y - vm.base); }, tooltipPosition: function() { var vm = this._view; return { x: vm.x, y: vm.y }; } }); },{"26":26,"27":27}],41:[function(require,module,exports){ 'use strict'; module.exports = {}; module.exports.Arc = require(37); module.exports.Line = require(38); module.exports.Point = require(39); module.exports.Rectangle = require(40); },{"37":37,"38":38,"39":39,"40":40}],42:[function(require,module,exports){ 'use strict'; var helpers = require(43); /** * @namespace Chart.helpers.canvas */ var exports = module.exports = { /** * Clears the entire canvas associated to the given `chart`. * @param {Chart} chart - The chart for which to clear the canvas. */ clear: function(chart) { chart.ctx.clearRect(0, 0, chart.width, chart.height); }, /** * Creates a "path" for a rectangle with rounded corners at position (x, y) with a * given size (width, height) and the same `radius` for all corners. * @param {CanvasRenderingContext2D} ctx - The canvas 2D Context. * @param {Number} x - The x axis of the coordinate for the rectangle starting point. * @param {Number} y - The y axis of the coordinate for the rectangle starting point. * @param {Number} width - The rectangle's width. * @param {Number} height - The rectangle's height. * @param {Number} radius - The rounded amount (in pixels) for the four corners. * @todo handle `radius` as top-left, top-right, bottom-right, bottom-left array/object? */ roundedRect: function(ctx, x, y, width, height, radius) { if (radius) { // NOTE(SB) `epsilon` helps to prevent minor artifacts appearing // on Chrome when `r` is exactly half the height or the width. var epsilon = 0.0000001; var r = Math.min(radius, (height / 2) - epsilon, (width / 2) - epsilon); ctx.moveTo(x + r, y); ctx.lineTo(x + width - r, y); ctx.arcTo(x + width, y, x + width, y + r, r); ctx.lineTo(x + width, y + height - r); ctx.arcTo(x + width, y + height, x + width - r, y + height, r); ctx.lineTo(x + r, y + height); ctx.arcTo(x, y + height, x, y + height - r, r); ctx.lineTo(x, y + r); ctx.arcTo(x, y, x + r, y, r); ctx.closePath(); ctx.moveTo(x, y); } else { ctx.rect(x, y, width, height); } }, drawPoint: function(ctx, style, radius, x, y, rotation) { var type, edgeLength, xOffset, yOffset, height, size; rotation = rotation || 0; if (style && typeof style === 'object') { type = style.toString(); if (type === '[object HTMLImageElement]' || type === '[object HTMLCanvasElement]') { ctx.drawImage(style, x - style.width / 2, y - style.height / 2, style.width, style.height); return; } } if (isNaN(radius) || radius <= 0) { return; } ctx.save(); ctx.translate(x, y); ctx.rotate(rotation * Math.PI / 180); ctx.beginPath(); switch (style) { // Default includes circle default: ctx.arc(0, 0, radius, 0, Math.PI * 2); ctx.closePath(); break; case 'triangle': edgeLength = 3 * radius / Math.sqrt(3); height = edgeLength * Math.sqrt(3) / 2; ctx.moveTo(-edgeLength / 2, height / 3); ctx.lineTo(edgeLength / 2, height / 3); ctx.lineTo(0, -2 * height / 3); ctx.closePath(); break; case 'rect': size = 1 / Math.SQRT2 * radius; ctx.rect(-size, -size, 2 * size, 2 * size); break; case 'rectRounded': var offset = radius / Math.SQRT2; var leftX = -offset; var topY = -offset; var sideSize = Math.SQRT2 * radius; // NOTE(SB) the rounded rect implementation changed to use `arcTo` // instead of `quadraticCurveTo` since it generates better results // when rect is almost a circle. 0.425 (instead of 0.5) produces // results visually closer to the previous impl. this.roundedRect(ctx, leftX, topY, sideSize, sideSize, radius * 0.425); break; case 'rectRot': size = 1 / Math.SQRT2 * radius; ctx.moveTo(-size, 0); ctx.lineTo(0, size); ctx.lineTo(size, 0); ctx.lineTo(0, -size); ctx.closePath(); break; case 'cross': ctx.moveTo(0, radius); ctx.lineTo(0, -radius); ctx.moveTo(-radius, 0); ctx.lineTo(radius, 0); break; case 'crossRot': xOffset = Math.cos(Math.PI / 4) * radius; yOffset = Math.sin(Math.PI / 4) * radius; ctx.moveTo(-xOffset, -yOffset); ctx.lineTo(xOffset, yOffset); ctx.moveTo(-xOffset, yOffset); ctx.lineTo(xOffset, -yOffset); break; case 'star': ctx.moveTo(0, radius); ctx.lineTo(0, -radius); ctx.moveTo(-radius, 0); ctx.lineTo(radius, 0); xOffset = Math.cos(Math.PI / 4) * radius; yOffset = Math.sin(Math.PI / 4) * radius; ctx.moveTo(-xOffset, -yOffset); ctx.lineTo(xOffset, yOffset); ctx.moveTo(-xOffset, yOffset); ctx.lineTo(xOffset, -yOffset); break; case 'line': ctx.moveTo(-radius, 0); ctx.lineTo(radius, 0); break; case 'dash': ctx.moveTo(0, 0); ctx.lineTo(radius, 0); break; } ctx.fill(); ctx.stroke(); ctx.restore(); }, clipArea: function(ctx, area) { ctx.save(); ctx.beginPath(); ctx.rect(area.left, area.top, area.right - area.left, area.bottom - area.top); ctx.clip(); }, unclipArea: function(ctx) { ctx.restore(); }, lineTo: function(ctx, previous, target, flip) { if (target.steppedLine) { if ((target.steppedLine === 'after' && !flip) || (target.steppedLine !== 'after' && flip)) { ctx.lineTo(previous.x, target.y); } else { ctx.lineTo(target.x, previous.y); } ctx.lineTo(target.x, target.y); return; } if (!target.tension) { ctx.lineTo(target.x, target.y); return; } ctx.bezierCurveTo( flip ? previous.controlPointPreviousX : previous.controlPointNextX, flip ? previous.controlPointPreviousY : previous.controlPointNextY, flip ? target.controlPointNextX : target.controlPointPreviousX, flip ? target.controlPointNextY : target.controlPointPreviousY, target.x, target.y); } }; // DEPRECATIONS /** * Provided for backward compatibility, use Chart.helpers.canvas.clear instead. * @namespace Chart.helpers.clear * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.clear = exports.clear; /** * Provided for backward compatibility, use Chart.helpers.canvas.roundedRect instead. * @namespace Chart.helpers.drawRoundedRectangle * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.drawRoundedRectangle = function(ctx) { ctx.beginPath(); exports.roundedRect.apply(exports, arguments); }; },{"43":43}],43:[function(require,module,exports){ 'use strict'; /** * @namespace Chart.helpers */ var helpers = { /** * An empty function that can be used, for example, for optional callback. */ noop: function() {}, /** * Returns a unique id, sequentially generated from a global variable. * @returns {Number} * @function */ uid: (function() { var id = 0; return function() { return id++; }; }()), /** * Returns true if `value` is neither null nor undefined, else returns false. * @param {*} value - The value to test. * @returns {Boolean} * @since 2.7.0 */ isNullOrUndef: function(value) { return value === null || typeof value === 'undefined'; }, /** * Returns true if `value` is an array, else returns false. * @param {*} value - The value to test. * @returns {Boolean} * @function */ isArray: Array.isArray ? Array.isArray : function(value) { return Object.prototype.toString.call(value) === '[object Array]'; }, /** * Returns true if `value` is an object (excluding null), else returns false. * @param {*} value - The value to test. * @returns {Boolean} * @since 2.7.0 */ isObject: function(value) { return value !== null && Object.prototype.toString.call(value) === '[object Object]'; }, /** * Returns `value` if defined, else returns `defaultValue`. * @param {*} value - The value to return if defined. * @param {*} defaultValue - The value to return if `value` is undefined. * @returns {*} */ valueOrDefault: function(value, defaultValue) { return typeof value === 'undefined' ? defaultValue : value; }, /** * Returns value at the given `index` in array if defined, else returns `defaultValue`. * @param {Array} value - The array to lookup for value at `index`. * @param {Number} index - The index in `value` to lookup for value. * @param {*} defaultValue - The value to return if `value[index]` is undefined. * @returns {*} */ valueAtIndexOrDefault: function(value, index, defaultValue) { return helpers.valueOrDefault(helpers.isArray(value) ? value[index] : value, defaultValue); }, /** * Calls `fn` with the given `args` in the scope defined by `thisArg` and returns the * value returned by `fn`. If `fn` is not a function, this method returns undefined. * @param {Function} fn - The function to call. * @param {Array|undefined|null} args - The arguments with which `fn` should be called. * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. * @returns {*} */ callback: function(fn, args, thisArg) { if (fn && typeof fn.call === 'function') { return fn.apply(thisArg, args); } }, /** * Note(SB) for performance sake, this method should only be used when loopable type * is unknown or in none intensive code (not called often and small loopable). Else * it's preferable to use a regular for() loop and save extra function calls. * @param {Object|Array} loopable - The object or array to be iterated. * @param {Function} fn - The function to call for each item. * @param {Object} [thisArg] - The value of `this` provided for the call to `fn`. * @param {Boolean} [reverse] - If true, iterates backward on the loopable. */ each: function(loopable, fn, thisArg, reverse) { var i, len, keys; if (helpers.isArray(loopable)) { len = loopable.length; if (reverse) { for (i = len - 1; i >= 0; i--) { fn.call(thisArg, loopable[i], i); } } else { for (i = 0; i < len; i++) { fn.call(thisArg, loopable[i], i); } } } else if (helpers.isObject(loopable)) { keys = Object.keys(loopable); len = keys.length; for (i = 0; i < len; i++) { fn.call(thisArg, loopable[keys[i]], keys[i]); } } }, /** * Returns true if the `a0` and `a1` arrays have the same content, else returns false. * @see http://stackoverflow.com/a/14853974 * @param {Array} a0 - The array to compare * @param {Array} a1 - The array to compare * @returns {Boolean} */ arrayEquals: function(a0, a1) { var i, ilen, v0, v1; if (!a0 || !a1 || a0.length !== a1.length) { return false; } for (i = 0, ilen = a0.length; i < ilen; ++i) { v0 = a0[i]; v1 = a1[i]; if (v0 instanceof Array && v1 instanceof Array) { if (!helpers.arrayEquals(v0, v1)) { return false; } } else if (v0 !== v1) { // NOTE: two different object instances will never be equal: {x:20} != {x:20} return false; } } return true; }, /** * Returns a deep copy of `source` without keeping references on objects and arrays. * @param {*} source - The value to clone. * @returns {*} */ clone: function(source) { if (helpers.isArray(source)) { return source.map(helpers.clone); } if (helpers.isObject(source)) { var target = {}; var keys = Object.keys(source); var klen = keys.length; var k = 0; for (; k < klen; ++k) { target[keys[k]] = helpers.clone(source[keys[k]]); } return target; } return source; }, /** * The default merger when Chart.helpers.merge is called without merger option. * Note(SB): this method is also used by configMerge and scaleMerge as fallback. * @private */ _merger: function(key, target, source, options) { var tval = target[key]; var sval = source[key]; if (helpers.isObject(tval) && helpers.isObject(sval)) { helpers.merge(tval, sval, options); } else { target[key] = helpers.clone(sval); } }, /** * Merges source[key] in target[key] only if target[key] is undefined. * @private */ _mergerIf: function(key, target, source) { var tval = target[key]; var sval = source[key]; if (helpers.isObject(tval) && helpers.isObject(sval)) { helpers.mergeIf(tval, sval); } else if (!target.hasOwnProperty(key)) { target[key] = helpers.clone(sval); } }, /** * Recursively deep copies `source` properties into `target` with the given `options`. * IMPORTANT: `target` is not cloned and will be updated with `source` properties. * @param {Object} target - The target object in which all sources are merged into. * @param {Object|Array(Object)} source - Object(s) to merge into `target`. * @param {Object} [options] - Merging options: * @param {Function} [options.merger] - The merge method (key, target, source, options) * @returns {Object} The `target` object. */ merge: function(target, source, options) { var sources = helpers.isArray(source) ? source : [source]; var ilen = sources.length; var merge, i, keys, klen, k; if (!helpers.isObject(target)) { return target; } options = options || {}; merge = options.merger || helpers._merger; for (i = 0; i < ilen; ++i) { source = sources[i]; if (!helpers.isObject(source)) { continue; } keys = Object.keys(source); for (k = 0, klen = keys.length; k < klen; ++k) { merge(keys[k], target, source, options); } } return target; }, /** * Recursively deep copies `source` properties into `target` *only* if not defined in target. * IMPORTANT: `target` is not cloned and will be updated with `source` properties. * @param {Object} target - The target object in which all sources are merged into. * @param {Object|Array(Object)} source - Object(s) to merge into `target`. * @returns {Object} The `target` object. */ mergeIf: function(target, source) { return helpers.merge(target, source, {merger: helpers._mergerIf}); }, /** * Applies the contents of two or more objects together into the first object. * @param {Object} target - The target object in which all objects are merged into. * @param {Object} arg1 - Object containing additional properties to merge in target. * @param {Object} argN - Additional objects containing properties to merge in target. * @returns {Object} The `target` object. */ extend: function(target) { var setFn = function(value, key) { target[key] = value; }; for (var i = 1, ilen = arguments.length; i < ilen; ++i) { helpers.each(arguments[i], setFn); } return target; }, /** * Basic javascript inheritance based on the model created in Backbone.js */ inherits: function(extensions) { var me = this; var ChartElement = (extensions && extensions.hasOwnProperty('constructor')) ? extensions.constructor : function() { return me.apply(this, arguments); }; var Surrogate = function() { this.constructor = ChartElement; }; Surrogate.prototype = me.prototype; ChartElement.prototype = new Surrogate(); ChartElement.extend = helpers.inherits; if (extensions) { helpers.extend(ChartElement.prototype, extensions); } ChartElement.__super__ = me.prototype; return ChartElement; } }; module.exports = helpers; // DEPRECATIONS /** * Provided for backward compatibility, use Chart.helpers.callback instead. * @function Chart.helpers.callCallback * @deprecated since version 2.6.0 * @todo remove at version 3 * @private */ helpers.callCallback = helpers.callback; /** * Provided for backward compatibility, use Array.prototype.indexOf instead. * Array.prototype.indexOf compatibility: Chrome, Opera, Safari, FF1.5+, IE9+ * @function Chart.helpers.indexOf * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.indexOf = function(array, item, fromIndex) { return Array.prototype.indexOf.call(array, item, fromIndex); }; /** * Provided for backward compatibility, use Chart.helpers.valueOrDefault instead. * @function Chart.helpers.getValueOrDefault * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.getValueOrDefault = helpers.valueOrDefault; /** * Provided for backward compatibility, use Chart.helpers.valueAtIndexOrDefault instead. * @function Chart.helpers.getValueAtIndexOrDefault * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.getValueAtIndexOrDefault = helpers.valueAtIndexOrDefault; },{}],44:[function(require,module,exports){ 'use strict'; var helpers = require(43); /** * Easing functions adapted from Robert Penner's easing equations. * @namespace Chart.helpers.easingEffects * @see http://www.robertpenner.com/easing/ */ var effects = { linear: function(t) { return t; }, easeInQuad: function(t) { return t * t; }, easeOutQuad: function(t) { return -t * (t - 2); }, easeInOutQuad: function(t) { if ((t /= 0.5) < 1) { return 0.5 * t * t; } return -0.5 * ((--t) * (t - 2) - 1); }, easeInCubic: function(t) { return t * t * t; }, easeOutCubic: function(t) { return (t = t - 1) * t * t + 1; }, easeInOutCubic: function(t) { if ((t /= 0.5) < 1) { return 0.5 * t * t * t; } return 0.5 * ((t -= 2) * t * t + 2); }, easeInQuart: function(t) { return t * t * t * t; }, easeOutQuart: function(t) { return -((t = t - 1) * t * t * t - 1); }, easeInOutQuart: function(t) { if ((t /= 0.5) < 1) { return 0.5 * t * t * t * t; } return -0.5 * ((t -= 2) * t * t * t - 2); }, easeInQuint: function(t) { return t * t * t * t * t; }, easeOutQuint: function(t) { return (t = t - 1) * t * t * t * t + 1; }, easeInOutQuint: function(t) { if ((t /= 0.5) < 1) { return 0.5 * t * t * t * t * t; } return 0.5 * ((t -= 2) * t * t * t * t + 2); }, easeInSine: function(t) { return -Math.cos(t * (Math.PI / 2)) + 1; }, easeOutSine: function(t) { return Math.sin(t * (Math.PI / 2)); }, easeInOutSine: function(t) { return -0.5 * (Math.cos(Math.PI * t) - 1); }, easeInExpo: function(t) { return (t === 0) ? 0 : Math.pow(2, 10 * (t - 1)); }, easeOutExpo: function(t) { return (t === 1) ? 1 : -Math.pow(2, -10 * t) + 1; }, easeInOutExpo: function(t) { if (t === 0) { return 0; } if (t === 1) { return 1; } if ((t /= 0.5) < 1) { return 0.5 * Math.pow(2, 10 * (t - 1)); } return 0.5 * (-Math.pow(2, -10 * --t) + 2); }, easeInCirc: function(t) { if (t >= 1) { return t; } return -(Math.sqrt(1 - t * t) - 1); }, easeOutCirc: function(t) { return Math.sqrt(1 - (t = t - 1) * t); }, easeInOutCirc: function(t) { if ((t /= 0.5) < 1) { return -0.5 * (Math.sqrt(1 - t * t) - 1); } return 0.5 * (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) { return 1; } if (!p) { p = 0.3; } if (a < 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 - 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) { return 1; } if (!p) { p = 0.3; } if (a < 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 - 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 /= 0.5) === 2) { return 1; } if (!p) { p = 0.45; } if (a < 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 - s) * (2 * Math.PI) / p)); } return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t - s) * (2 * Math.PI) / p) * 0.5 + 1; }, easeInBack: function(t) { var s = 1.70158; return t * t * ((s + 1) * t - s); }, easeOutBack: function(t) { var s = 1.70158; return (t = t - 1) * t * ((s + 1) * t + s) + 1; }, easeInOutBack: function(t) { var s = 1.70158; if ((t /= 0.5) < 1) { return 0.5 * (t * t * (((s *= (1.525)) + 1) * t - s)); } return 0.5 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2); }, easeInBounce: function(t) { return 1 - effects.easeOutBounce(1 - t); }, easeOutBounce: function(t) { if (t < (1 / 2.75)) { return 7.5625 * t * t; } if (t < (2 / 2.75)) { return 7.5625 * (t -= (1.5 / 2.75)) * t + 0.75; } if (t < (2.5 / 2.75)) { return 7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375; } return 7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375; }, easeInOutBounce: function(t) { if (t < 0.5) { return effects.easeInBounce(t * 2) * 0.5; } return effects.easeOutBounce(t * 2 - 1) * 0.5 + 0.5; } }; module.exports = { effects: effects }; // DEPRECATIONS /** * Provided for backward compatibility, use Chart.helpers.easing.effects instead. * @function Chart.helpers.easingEffects * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.easingEffects = effects; },{"43":43}],45:[function(require,module,exports){ 'use strict'; var helpers = require(43); /** * @alias Chart.helpers.options * @namespace */ module.exports = { /** * Converts the given line height `value` in pixels for a specific font `size`. * @param {Number|String} value - The lineHeight to parse (eg. 1.6, '14px', '75%', '1.6em'). * @param {Number} size - The font size (in pixels) used to resolve relative `value`. * @returns {Number} The effective line height in pixels (size * 1.2 if value is invalid). * @see https://developer.mozilla.org/en-US/docs/Web/CSS/line-height * @since 2.7.0 */ toLineHeight: function(value, size) { var matches = ('' + value).match(/^(normal|(\d+(?:\.\d+)?)(px|em|%)?)$/); if (!matches || matches[1] === 'normal') { return size * 1.2; } value = +matches[2]; switch (matches[3]) { case 'px': return value; case '%': value /= 100; break; default: break; } return size * value; }, /** * Converts the given value into a padding object with pre-computed width/height. * @param {Number|Object} value - If a number, set the value to all TRBL component, * else, if and object, use defined properties and sets undefined ones to 0. * @returns {Object} The padding values (top, right, bottom, left, width, height) * @since 2.7.0 */ toPadding: function(value) { var t, r, b, l; if (helpers.isObject(value)) { t = +value.top || 0; r = +value.right || 0; b = +value.bottom || 0; l = +value.left || 0; } else { t = r = b = l = +value || 0; } return { top: t, right: r, bottom: b, left: l, height: t + b, width: l + r }; }, /** * Evaluates the given `inputs` sequentially and returns the first defined value. * @param {Array[]} inputs - An array of values, falling back to the last value. * @param {Object} [context] - If defined and the current value is a function, the value * is called with `context` as first argument and the result becomes the new input. * @param {Number} [index] - If defined and the current value is an array, the value * at `index` become the new input. * @since 2.7.0 */ resolve: function(inputs, context, index) { var i, ilen, value; for (i = 0, ilen = inputs.length; i < ilen; ++i) { value = inputs[i]; if (value === undefined) { continue; } if (context !== undefined && typeof value === 'function') { value = value(context); } if (index !== undefined && helpers.isArray(value)) { value = value[index]; } if (value !== undefined) { return value; } } } }; },{"43":43}],46:[function(require,module,exports){ 'use strict'; module.exports = require(43); module.exports.easing = require(44); module.exports.canvas = require(42); module.exports.options = require(45); },{"42":42,"43":43,"44":44,"45":45}],47:[function(require,module,exports){ /** * Platform fallback implementation (minimal). * @see https://github.com/chartjs/Chart.js/pull/4591#issuecomment-319575939 */ module.exports = { acquireContext: function(item) { if (item && item.canvas) { // Support for any object associated to a canvas (including a context2d) item = item.canvas; } return item && item.getContext('2d') || null; } }; },{}],48:[function(require,module,exports){ /** * Chart.Platform implementation for targeting a web browser */ 'use strict'; var helpers = require(46); var EXPANDO_KEY = '$chartjs'; var CSS_PREFIX = 'chartjs-'; var CSS_RENDER_MONITOR = CSS_PREFIX + 'render-monitor'; var CSS_RENDER_ANIMATION = CSS_PREFIX + 'render-animation'; var ANIMATION_START_EVENTS = ['animationstart', 'webkitAnimationStart']; /** * DOM event types -> Chart.js event types. * Note: only events with different types are mapped. * @see https://developer.mozilla.org/en-US/docs/Web/Events */ var EVENT_TYPES = { touchstart: 'mousedown', touchmove: 'mousemove', touchend: 'mouseup', pointerenter: 'mouseenter', pointerdown: 'mousedown', pointermove: 'mousemove', pointerup: 'mouseup', pointerleave: 'mouseout', pointerout: 'mouseout' }; /** * The "used" size is the final value of a dimension property after all calculations have * been performed. This method uses the computed style of `element` but returns undefined * if the computed style is not expressed in pixels. That can happen in some cases where * `element` has a size relative to its parent and this last one is not yet displayed, * for example because of `display: none` on a parent node. * @see https://developer.mozilla.org/en-US/docs/Web/CSS/used_value * @returns {Number} Size in pixels or undefined if unknown. */ function readUsedSize(element, property) { var value = helpers.getStyle(element, property); var matches = value && value.match(/^(\d+)(\.\d+)?px$/); return matches ? Number(matches[1]) : undefined; } /** * Initializes the canvas style and render size without modifying the canvas display size, * since responsiveness is handled by the controller.resize() method. The config is used * to determine the aspect ratio to apply in case no explicit height has been specified. */ function initCanvas(canvas, config) { var style = canvas.style; // NOTE(SB) canvas.getAttribute('width') !== canvas.width: in the first case it // returns null or '' if no explicit value has been set to the canvas attribute. var renderHeight = canvas.getAttribute('height'); var renderWidth = canvas.getAttribute('width'); // Chart.js modifies some canvas values that we want to restore on destroy canvas[EXPANDO_KEY] = { initial: { height: renderHeight, width: renderWidth, style: { display: style.display, height: style.height, width: style.width } } }; // Force canvas to display as block to avoid extra space caused by inline // elements, which would interfere with the responsive resize process. // https://github.com/chartjs/Chart.js/issues/2538 style.display = style.display || 'block'; if (renderWidth === null || renderWidth === '') { var displayWidth = readUsedSize(canvas, 'width'); if (displayWidth !== undefined) { canvas.width = displayWidth; } } if (renderHeight === null || renderHeight === '') { if (canvas.style.height === '') { // If no explicit render height and style height, let's apply the aspect ratio, // which one can be specified by the user but also by charts as default option // (i.e. options.aspectRatio). If not specified, use canvas aspect ratio of 2. canvas.height = canvas.width / (config.options.aspectRatio || 2); } else { var displayHeight = readUsedSize(canvas, 'height'); if (displayWidth !== undefined) { canvas.height = displayHeight; } } } return canvas; } /** * Detects support for options object argument in addEventListener. * https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#Safely_detecting_option_support * @private */ var supportsEventListenerOptions = (function() { var supports = false; try { var options = Object.defineProperty({}, 'passive', { get: function() { supports = true; } }); window.addEventListener('e', null, options); } catch (e) { // continue regardless of error } return supports; }()); // Default passive to true as expected by Chrome for 'touchstart' and 'touchend' events. // https://github.com/chartjs/Chart.js/issues/4287 var eventListenerOptions = supportsEventListenerOptions ? {passive: true} : false; function addEventListener(node, type, listener) { node.addEventListener(type, listener, eventListenerOptions); } function removeEventListener(node, type, listener) { node.removeEventListener(type, listener, eventListenerOptions); } function createEvent(type, chart, x, y, nativeEvent) { return { type: type, chart: chart, native: nativeEvent || null, x: x !== undefined ? x : null, y: y !== undefined ? y : null, }; } function fromNativeEvent(event, chart) { var type = EVENT_TYPES[event.type] || event.type; var pos = helpers.getRelativePosition(event, chart); return createEvent(type, chart, pos.x, pos.y, event); } function throttled(fn, thisArg) { var ticking = false; var args = []; return function() { args = Array.prototype.slice.call(arguments); thisArg = thisArg || this; if (!ticking) { ticking = true; helpers.requestAnimFrame.call(window, function() { ticking = false; fn.apply(thisArg, args); }); } }; } // Implementation based on https://github.com/marcj/css-element-queries function createResizer(handler) { var resizer = document.createElement('div'); var cls = CSS_PREFIX + 'size-monitor'; var maxSize = 1000000; var style = 'position:absolute;' + 'left:0;' + 'top:0;' + 'right:0;' + 'bottom:0;' + 'overflow:hidden;' + 'pointer-events:none;' + 'visibility:hidden;' + 'z-index:-1;'; resizer.style.cssText = style; resizer.className = cls; resizer.innerHTML = '<div class="' + cls + '-expand" style="' + style + '">' + '<div style="' + 'position:absolute;' + 'width:' + maxSize + 'px;' + 'height:' + maxSize + 'px;' + 'left:0;' + 'top:0">' + '</div>' + '</div>' + '<div class="' + cls + '-shrink" style="' + style + '">' + '<div style="' + 'position:absolute;' + 'width:200%;' + 'height:200%;' + 'left:0; ' + 'top:0">' + '</div>' + '</div>'; var expand = resizer.childNodes[0]; var shrink = resizer.childNodes[1]; resizer._reset = function() { expand.scrollLeft = maxSize; expand.scrollTop = maxSize; shrink.scrollLeft = maxSize; shrink.scrollTop = maxSize; }; var onScroll = function() { resizer._reset(); handler(); }; addEventListener(expand, 'scroll', onScroll.bind(expand, 'expand')); addEventListener(shrink, 'scroll', onScroll.bind(shrink, 'shrink')); return resizer; } // https://davidwalsh.name/detect-node-insertion function watchForRender(node, handler) { var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); var proxy = expando.renderProxy = function(e) { if (e.animationName === CSS_RENDER_ANIMATION) { handler(); } }; helpers.each(ANIMATION_START_EVENTS, function(type) { addEventListener(node, type, proxy); }); // #4737: Chrome might skip the CSS animation when the CSS_RENDER_MONITOR class // is removed then added back immediately (same animation frame?). Accessing the // `offsetParent` property will force a reflow and re-evaluate the CSS animation. // https://gist.github.com/paulirish/5d52fb081b3570c81e3a#box-metrics // https://github.com/chartjs/Chart.js/issues/4737 expando.reflow = !!node.offsetParent; node.classList.add(CSS_RENDER_MONITOR); } function unwatchForRender(node) { var expando = node[EXPANDO_KEY] || {}; var proxy = expando.renderProxy; if (proxy) { helpers.each(ANIMATION_START_EVENTS, function(type) { removeEventListener(node, type, proxy); }); delete expando.renderProxy; } node.classList.remove(CSS_RENDER_MONITOR); } function addResizeListener(node, listener, chart) { var expando = node[EXPANDO_KEY] || (node[EXPANDO_KEY] = {}); // Let's keep track of this added resizer and thus avoid DOM query when removing it. var resizer = expando.resizer = createResizer(throttled(function() { if (expando.resizer) { return listener(createEvent('resize', chart)); } })); // The resizer needs to be attached to the node parent, so we first need to be // sure that `node` is attached to the DOM before injecting the resizer element. watchForRender(node, function() { if (expando.resizer) { var container = node.parentNode; if (container && container !== resizer.parentNode) { container.insertBefore(resizer, container.firstChild); } // The container size might have changed, let's reset the resizer state. resizer._reset(); } }); } function removeResizeListener(node) { var expando = node[EXPANDO_KEY] || {}; var resizer = expando.resizer; delete expando.resizer; unwatchForRender(node); if (resizer && resizer.parentNode) { resizer.parentNode.removeChild(resizer); } } function injectCSS(platform, css) { // http://stackoverflow.com/q/3922139 var style = platform._style || document.createElement('style'); if (!platform._style) { platform._style = style; css = '/* Chart.js */\n' + css; style.setAttribute('type', 'text/css'); document.getElementsByTagName('head')[0].appendChild(style); } style.appendChild(document.createTextNode(css)); } module.exports = { /** * This property holds whether this platform is enabled for the current environment. * Currently used by platform.js to select the proper implementation. * @private */ _enabled: typeof window !== 'undefined' && typeof document !== 'undefined', initialize: function() { var keyframes = 'from{opacity:0.99}to{opacity:1}'; injectCSS(this, // DOM rendering detection // https://davidwalsh.name/detect-node-insertion '@-webkit-keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + '@keyframes ' + CSS_RENDER_ANIMATION + '{' + keyframes + '}' + '.' + CSS_RENDER_MONITOR + '{' + '-webkit-animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + 'animation:' + CSS_RENDER_ANIMATION + ' 0.001s;' + '}' ); }, acquireContext: function(item, config) { if (typeof item === 'string') { item = document.getElementById(item); } else if (item.length) { // Support for array based queries (such as jQuery) item = item[0]; } if (item && item.canvas) { // Support for any object associated to a canvas (including a context2d) item = item.canvas; } // To prevent canvas fingerprinting, some add-ons undefine the getContext // method, for example: https://github.com/kkapsner/CanvasBlocker // https://github.com/chartjs/Chart.js/issues/2807 var context = item && item.getContext && item.getContext('2d'); // `instanceof HTMLCanvasElement/CanvasRenderingContext2D` fails when the item is // inside an iframe or when running in a protected environment. We could guess the // types from their toString() value but let's keep things flexible and assume it's // a sufficient condition if the item has a context2D which has item as `canvas`. // https://github.com/chartjs/Chart.js/issues/3887 // https://github.com/chartjs/Chart.js/issues/4102 // https://github.com/chartjs/Chart.js/issues/4152 if (context && context.canvas === item) { initCanvas(item, config); return context; } return null; }, releaseContext: function(context) { var canvas = context.canvas; if (!canvas[EXPANDO_KEY]) { return; } var initial = canvas[EXPANDO_KEY].initial; ['height', 'width'].forEach(function(prop) { var value = initial[prop]; if (helpers.isNullOrUndef(value)) { canvas.removeAttribute(prop); } else { canvas.setAttribute(prop, value); } }); helpers.each(initial.style || {}, function(value, key) { canvas.style[key] = value; }); // The canvas render size might have been changed (and thus the state stack discarded), // we can't use save() and restore() to restore the initial state. So make sure that at // least the canvas context is reset to the default state by setting the canvas width. // https://www.w3.org/TR/2011/WD-html5-20110525/the-canvas-element.html canvas.width = canvas.width; delete canvas[EXPANDO_KEY]; }, addEventListener: function(chart, type, listener) { var canvas = chart.canvas; if (type === 'resize') { // Note: the resize event is not supported on all browsers. addResizeListener(canvas, listener, chart); return; } var expando = listener[EXPANDO_KEY] || (listener[EXPANDO_KEY] = {}); var proxies = expando.proxies || (expando.proxies = {}); var proxy = proxies[chart.id + '_' + type] = function(event) { listener(fromNativeEvent(event, chart)); }; addEventListener(canvas, type, proxy); }, removeEventListener: function(chart, type, listener) { var canvas = chart.canvas; if (type === 'resize') { // Note: the resize event is not supported on all browsers. removeResizeListener(canvas, listener); return; } var expando = listener[EXPANDO_KEY] || {}; var proxies = expando.proxies || {}; var proxy = proxies[chart.id + '_' + type]; if (!proxy) { return; } removeEventListener(canvas, type, proxy); } }; // DEPRECATIONS /** * Provided for backward compatibility, use EventTarget.addEventListener instead. * EventTarget.addEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener * @function Chart.helpers.addEvent * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.addEvent = addEventListener; /** * Provided for backward compatibility, use EventTarget.removeEventListener instead. * EventTarget.removeEventListener compatibility: Chrome, Opera 7, Safari, FF1.5+, IE9+ * @see https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/removeEventListener * @function Chart.helpers.removeEvent * @deprecated since version 2.7.0 * @todo remove at version 3 * @private */ helpers.removeEvent = removeEventListener; },{"46":46}],49:[function(require,module,exports){ 'use strict'; var helpers = require(46); var basic = require(47); var dom = require(48); // @TODO Make possible to select another platform at build time. var implementation = dom._enabled ? dom : basic; /** * @namespace Chart.platform * @see https://chartjs.gitbooks.io/proposals/content/Platform.html * @since 2.4.0 */ module.exports = helpers.extend({ /** * @since 2.7.0 */ initialize: function() {}, /** * Called at chart construction time, returns a context2d instance implementing * the [W3C Canvas 2D Context API standard]{@link https://www.w3.org/TR/2dcontext/}. * @param {*} item - The native item from which to acquire context (platform specific) * @param {Object} options - The chart options * @returns {CanvasRenderingContext2D} context2d instance */ acquireContext: function() {}, /** * Called at chart destruction time, releases any resources associated to the context * previously returned by the acquireContext() method. * @param {CanvasRenderingContext2D} context - The context2d instance * @returns {Boolean} true if the method succeeded, else false */ releaseContext: function() {}, /** * Registers the specified listener on the given chart. * @param {Chart} chart - Chart from which to listen for event * @param {String} type - The ({@link IEvent}) type to listen for * @param {Function} listener - Receives a notification (an object that implements * the {@link IEvent} interface) when an event of the specified type occurs. */ addEventListener: function() {}, /** * Removes the specified listener previously registered with addEventListener. * @param {Chart} chart -Chart from which to remove the listener * @param {String} type - The ({@link IEvent}) type to remove * @param {Function} listener - The listener function to remove from the event target. */ removeEventListener: function() {} }, implementation); /** * @interface IPlatform * Allows abstracting platform dependencies away from the chart * @borrows Chart.platform.acquireContext as acquireContext * @borrows Chart.platform.releaseContext as releaseContext * @borrows Chart.platform.addEventListener as addEventListener * @borrows Chart.platform.removeEventListener as removeEventListener */ /** * @interface IEvent * @prop {String} type - The event type name, possible values are: * 'contextmenu', 'mouseenter', 'mousedown', 'mousemove', 'mouseup', 'mouseout', * 'click', 'dblclick', 'keydown', 'keypress', 'keyup' and 'resize' * @prop {*} native - The original native event (null for emulated events, e.g. 'resize') * @prop {Number} x - The mouse x position, relative to the canvas (null for incompatible events) * @prop {Number} y - The mouse y position, relative to the canvas (null for incompatible events) */ },{"46":46,"47":47,"48":48}],50:[function(require,module,exports){ 'use strict'; module.exports = {}; module.exports.filler = require(51); module.exports.legend = require(52); module.exports.title = require(53); },{"51":51,"52":52,"53":53}],51:[function(require,module,exports){ /** * Plugin based on discussion from the following Chart.js issues: * @see https://github.com/chartjs/Chart.js/issues/2380#issuecomment-279961569 * @see https://github.com/chartjs/Chart.js/issues/2440#issuecomment-256461897 */ 'use strict'; var defaults = require(26); var elements = require(41); var helpers = require(46); defaults._set('global', { plugins: { filler: { propagate: true } } }); var mappers = { dataset: function(source) { var index = source.fill; var chart = source.chart; var meta = chart.getDatasetMeta(index); var visible = meta && chart.isDatasetVisible(index); var points = (visible && meta.dataset._children) || []; var length = points.length || 0; return !length ? null : function(point, i) { return (i < length && points[i]._view) || null; }; }, boundary: function(source) { var boundary = source.boundary; var x = boundary ? boundary.x : null; var y = boundary ? boundary.y : null; return function(point) { return { x: x === null ? point.x : x, y: y === null ? point.y : y, }; }; } }; // @todo if (fill[0] === '#') function decodeFill(el, index, count) { var model = el._model || {}; var fill = model.fill; var target; if (fill === undefined) { fill = !!model.backgroundColor; } if (fill === false || fill === null) { return false; } if (fill === true) { return 'origin'; } target = parseFloat(fill, 10); if (isFinite(target) && Math.floor(target) === target) { if (fill[0] === '-' || fill[0] === '+') { target = index + target; } if (target === index || target < 0 || target >= count) { return false; } return target; } switch (fill) { // compatibility case 'bottom': return 'start'; case 'top': return 'end'; case 'zero': return 'origin'; // supported boundaries case 'origin': case 'start': case 'end': return fill; // invalid fill values default: return false; } } function computeBoundary(source) { var model = source.el._model || {}; var scale = source.el._scale || {}; var fill = source.fill; var target = null; var horizontal; if (isFinite(fill)) { return null; } // Backward compatibility: until v3, we still need to support boundary values set on // the model (scaleTop, scaleBottom and scaleZero) because some external plugins and // controllers might still use it (e.g. the Smith chart). if (fill === 'start') { target = model.scaleBottom === undefined ? scale.bottom : model.scaleBottom; } else if (fill === 'end') { target = model.scaleTop === undefined ? scale.top : model.scaleTop; } else if (model.scaleZero !== undefined) { target = model.scaleZero; } else if (scale.getBasePosition) { target = scale.getBasePosition(); } else if (scale.getBasePixel) { target = scale.getBasePixel(); } if (target !== undefined && target !== null) { if (target.x !== undefined && target.y !== undefined) { return target; } if (typeof target === 'number' && isFinite(target)) { horizontal = scale.isHorizontal(); return { x: horizontal ? target : null, y: horizontal ? null : target }; } } return null; } function resolveTarget(sources, index, propagate) { var source = sources[index]; var fill = source.fill; var visited = [index]; var target; if (!propagate) { return fill; } while (fill !== false && visited.indexOf(fill) === -1) { if (!isFinite(fill)) { return fill; } target = sources[fill]; if (!target) { return false; } if (target.visible) { return fill; } visited.push(fill); fill = target.fill; } return false; } function createMapper(source) { var fill = source.fill; var type = 'dataset'; if (fill === false) { return null; } if (!isFinite(fill)) { type = 'boundary'; } return mappers[type](source); } function isDrawable(point) { return point && !point.skip; } function drawArea(ctx, curve0, curve1, len0, len1) { var i; if (!len0 || !len1) { return; } // building first area curve (normal) ctx.moveTo(curve0[0].x, curve0[0].y); for (i = 1; i < len0; ++i) { helpers.canvas.lineTo(ctx, curve0[i - 1], curve0[i]); } // joining the two area curves ctx.lineTo(curve1[len1 - 1].x, curve1[len1 - 1].y); // building opposite area curve (reverse) for (i = len1 - 1; i > 0; --i) { helpers.canvas.lineTo(ctx, curve1[i], curve1[i - 1], true); } } function doFill(ctx, points, mapper, view, color, loop) { var count = points.length; var span = view.spanGaps; var curve0 = []; var curve1 = []; var len0 = 0; var len1 = 0; var i, ilen, index, p0, p1, d0, d1; ctx.beginPath(); for (i = 0, ilen = (count + !!loop); i < ilen; ++i) { index = i % count; p0 = points[index]._view; p1 = mapper(p0, index, view); d0 = isDrawable(p0); d1 = isDrawable(p1); if (d0 && d1) { len0 = curve0.push(p0); len1 = curve1.push(p1); } else if (len0 && len1) { if (!span) { drawArea(ctx, curve0, curve1, len0, len1); len0 = len1 = 0; curve0 = []; curve1 = []; } else { if (d0) { curve0.push(p0); } if (d1) { curve1.push(p1); } } } } drawArea(ctx, curve0, curve1, len0, len1); ctx.closePath(); ctx.fillStyle = color; ctx.fill(); } module.exports = { id: 'filler', afterDatasetsUpdate: function(chart, options) { var count = (chart.data.datasets || []).length; var propagate = options.propagate; var sources = []; var meta, i, el, source; for (i = 0; i < count; ++i) { meta = chart.getDatasetMeta(i); el = meta.dataset; source = null; if (el && el._model && el instanceof elements.Line) { source = { visible: chart.isDatasetVisible(i), fill: decodeFill(el, i, count), chart: chart, el: el }; } meta.$filler = source; sources.push(source); } for (i = 0; i < count; ++i) { source = sources[i]; if (!source) { continue; } source.fill = resolveTarget(sources, i, propagate); source.boundary = computeBoundary(source); source.mapper = createMapper(source); } }, beforeDatasetDraw: function(chart, args) { var meta = args.meta.$filler; if (!meta) { return; } var ctx = chart.ctx; var el = meta.el; var view = el._view; var points = el._children || []; var mapper = meta.mapper; var color = view.backgroundColor || defaults.global.defaultColor; if (mapper && color && points.length) { helpers.canvas.clipArea(ctx, chart.chartArea); doFill(ctx, points, mapper, view, color, el._loop); helpers.canvas.unclipArea(ctx); } } }; },{"26":26,"41":41,"46":46}],52:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); var layouts = require(31); var noop = helpers.noop; defaults._set('global', { legend: { display: true, position: 'top', fullWidth: true, reverse: false, weight: 1000, // a callback that will handle onClick: function(e, legendItem) { var index = legendItem.datasetIndex; var ci = this.chart; var meta = ci.getDatasetMeta(index); // See controller.isDatasetVisible comment meta.hidden = meta.hidden === null ? !ci.data.datasets[index].hidden : null; // We hid a dataset ... rerender the chart ci.update(); }, onHover: null, labels: { boxWidth: 40, padding: 10, // Generates labels shown in the legend // Valid properties to return: // text : text to display // fillStyle : fill of coloured box // strokeStyle: stroke of coloured box // hidden : if this legend item refers to a hidden item // lineCap : cap style for line // lineDash // lineDashOffset : // lineJoin : // lineWidth : generateLabels: function(chart) { var data = chart.data; return helpers.isArray(data.datasets) ? data.datasets.map(function(dataset, i) { return { text: dataset.label, fillStyle: (!helpers.isArray(dataset.backgroundColor) ? dataset.backgroundColor : dataset.backgroundColor[0]), hidden: !chart.isDatasetVisible(i), lineCap: dataset.borderCapStyle, lineDash: dataset.borderDash, lineDashOffset: dataset.borderDashOffset, lineJoin: dataset.borderJoinStyle, lineWidth: dataset.borderWidth, strokeStyle: dataset.borderColor, pointStyle: dataset.pointStyle, // Below is extra data used for toggling the datasets datasetIndex: i }; }, this) : []; } } }, 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(''); } }); /** * Helper function to get the box width based on the usePointStyle option * @param labelopts {Object} the label options on the legend * @param fontSize {Number} the label font size * @return {Number} width of the color box area */ function getBoxWidth(labelOpts, fontSize) { return labelOpts.usePointStyle ? fontSize * Math.SQRT2 : labelOpts.boxWidth; } /** * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! */ var Legend = Element.extend({ initialize: function(config) { helpers.extend(this, config); // Contains hit boxes for each dataset (in dataset order) this.legendHitBoxes = []; // Are we in doughnut mode which has a different data type this.doughnutMode = false; }, // These methods are ordered by lifecycle. Utilities then follow. // Any function defined here is inherited by all legend types. // Any function can be extended by the legend type beforeUpdate: noop, update: function(maxWidth, maxHeight, margins) { var me = this; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = margins; // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Labels me.beforeBuildLabels(); me.buildLabels(); me.afterBuildLabels(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; // Reset minSize me.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: function() { var me = this; var labelOpts = me.options.labels || {}; var legendItems = helpers.callback(labelOpts.generateLabels, [me.chart], me) || []; if (labelOpts.filter) { legendItems = legendItems.filter(function(item) { return labelOpts.filter(item, me.chart.data); }); } if (me.options.reverse) { legendItems.reverse(); } me.legendItems = legendItems; }, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var me = this; var opts = me.options; var labelOpts = opts.labels; var display = opts.display; var ctx = me.ctx; var globalDefault = defaults.global; var valueOrDefault = helpers.valueOrDefault; var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); // Reset hit boxes var hitboxes = me.legendHitBoxes = []; var minSize = me.minSize; var isHorizontal = me.isHorizontal(); if (isHorizontal) { minSize.width = me.maxWidth; // fill all the width minSize.height = display ? 10 : 0; } else { minSize.width = display ? 10 : 0; minSize.height = me.maxHeight; // fill all the height } // Increase sizes here if (display) { ctx.font = labelFont; if (isHorizontal) { // Labels // Width of each line of legend boxes. Labels wrap onto multiple lines when there are too many to fit on one var lineWidths = me.lineWidths = [0]; var totalHeight = me.legendItems.length ? fontSize + (labelOpts.padding) : 0; ctx.textAlign = 'left'; ctx.textBaseline = 'top'; helpers.each(me.legendItems, function(legendItem, i) { var boxWidth = getBoxWidth(labelOpts, fontSize); var width = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; if (lineWidths[lineWidths.length - 1] + width + labelOpts.padding >= me.width) { totalHeight += fontSize + (labelOpts.padding); lineWidths[lineWidths.length] = me.left; } // Store the hitbox width and height here. Final position will be updated in `draw` hitboxes[i] = { left: 0, top: 0, width: width, height: fontSize }; lineWidths[lineWidths.length - 1] += width + labelOpts.padding; }); minSize.height += totalHeight; } else { var vPadding = labelOpts.padding; var columnWidths = me.columnWidths = []; var totalWidth = labelOpts.padding; var currentColWidth = 0; var currentColHeight = 0; var itemHeight = fontSize + vPadding; helpers.each(me.legendItems, function(legendItem, i) { var boxWidth = getBoxWidth(labelOpts, fontSize); var itemWidth = boxWidth + (fontSize / 2) + ctx.measureText(legendItem.text).width; // If too tall, go to new column if (currentColHeight + itemHeight > minSize.height) { totalWidth += currentColWidth + labelOpts.padding; columnWidths.push(currentColWidth); // previous column width currentColWidth = 0; currentColHeight = 0; } // Get max width currentColWidth = Math.max(currentColWidth, itemWidth); currentColHeight += itemHeight; // Store the hitbox width and height here. Final position will be updated in `draw` hitboxes[i] = { left: 0, top: 0, width: itemWidth, height: fontSize }; }); totalWidth += currentColWidth; columnWidths.push(currentColWidth); minSize.width += totalWidth; } } me.width = minSize.width; me.height = minSize.height; }, afterFit: noop, // Shared Methods isHorizontal: function() { return this.options.position === 'top' || this.options.position === 'bottom'; }, // Actually draw the legend on the canvas draw: function() { var me = this; var opts = me.options; var labelOpts = opts.labels; var globalDefault = defaults.global; var lineDefault = globalDefault.elements.line; var legendWidth = me.width; var lineWidths = me.lineWidths; if (opts.display) { var ctx = me.ctx; var valueOrDefault = helpers.valueOrDefault; var fontColor = valueOrDefault(labelOpts.fontColor, globalDefault.defaultFontColor); var fontSize = valueOrDefault(labelOpts.fontSize, globalDefault.defaultFontSize); var fontStyle = valueOrDefault(labelOpts.fontStyle, globalDefault.defaultFontStyle); var fontFamily = valueOrDefault(labelOpts.fontFamily, globalDefault.defaultFontFamily); var labelFont = helpers.fontString(fontSize, fontStyle, fontFamily); var cursor; // Canvas setup ctx.textAlign = 'left'; ctx.textBaseline = 'middle'; ctx.lineWidth = 0.5; ctx.strokeStyle = fontColor; // for strikethrough effect ctx.fillStyle = fontColor; // render in correct colour ctx.font = labelFont; var boxWidth = getBoxWidth(labelOpts, fontSize); var hitboxes = me.legendHitBoxes; // current position var drawLegendBox = function(x, y, legendItem) { if (isNaN(boxWidth) || boxWidth <= 0) { return; } // Set the ctx for the box ctx.save(); ctx.fillStyle = valueOrDefault(legendItem.fillStyle, globalDefault.defaultColor); ctx.lineCap = valueOrDefault(legendItem.lineCap, lineDefault.borderCapStyle); ctx.lineDashOffset = valueOrDefault(legendItem.lineDashOffset, lineDefault.borderDashOffset); ctx.lineJoin = valueOrDefault(legendItem.lineJoin, lineDefault.borderJoinStyle); ctx.lineWidth = valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth); ctx.strokeStyle = valueOrDefault(legendItem.strokeStyle, globalDefault.defaultColor); var isLineWidthZero = (valueOrDefault(legendItem.lineWidth, lineDefault.borderWidth) === 0); if (ctx.setLineDash) { // IE 9 and 10 do not support line dash ctx.setLineDash(valueOrDefault(legendItem.lineDash, lineDefault.borderDash)); } if (opts.labels && opts.labels.usePointStyle) { // Recalculate x and y for drawPoint() because its expecting // x and y to be center of figure (instead of top left) var radius = fontSize * Math.SQRT2 / 2; var offSet = radius / Math.SQRT2; var centerX = x + offSet; var centerY = y + offSet; // Draw pointStyle as legend symbol helpers.canvas.drawPoint(ctx, legendItem.pointStyle, radius, centerX, centerY); } else { // Draw box as legend symbol if (!isLineWidthZero) { ctx.strokeRect(x, y, boxWidth, fontSize); } ctx.fillRect(x, y, boxWidth, fontSize); } ctx.restore(); }; var fillText = function(x, y, legendItem, textWidth) { var halfFontSize = fontSize / 2; var xLeft = boxWidth + halfFontSize + x; var yMiddle = y + halfFontSize; ctx.fillText(legendItem.text, xLeft, yMiddle); if (legendItem.hidden) { // Strikethrough the text if hidden ctx.beginPath(); ctx.lineWidth = 2; ctx.moveTo(xLeft, yMiddle); ctx.lineTo(xLeft + textWidth, yMiddle); ctx.stroke(); } }; // Horizontal var isHorizontal = me.isHorizontal(); if (isHorizontal) { cursor = { x: me.left + ((legendWidth - lineWidths[0]) / 2), y: me.top + labelOpts.padding, line: 0 }; } else { cursor = { x: me.left + labelOpts.padding, y: me.top + labelOpts.padding, line: 0 }; } var itemHeight = fontSize + labelOpts.padding; helpers.each(me.legendItems, function(legendItem, i) { var textWidth = ctx.measureText(legendItem.text).width; var width = boxWidth + (fontSize / 2) + textWidth; var x = cursor.x; var y = cursor.y; if (isHorizontal) { if (x + width >= legendWidth) { y = cursor.y += itemHeight; cursor.line++; x = cursor.x = me.left + ((legendWidth - lineWidths[cursor.line]) / 2); } } else if (y + itemHeight > me.bottom) { x = cursor.x = x + me.columnWidths[cursor.line] + labelOpts.padding; y = cursor.y = me.top + labelOpts.padding; cursor.line++; } drawLegendBox(x, y, legendItem); hitboxes[i].left = x; hitboxes[i].top = y; // Fill the actual label fillText(x, y, legendItem, textWidth); if (isHorizontal) { cursor.x += width + (labelOpts.padding); } else { cursor.y += itemHeight; } }); } }, /** * Handle an event * @private * @param {IEvent} event - The event to handle * @return {Boolean} true if a change occured */ handleEvent: function(e) { var me = this; var opts = me.options; var type = e.type === 'mouseup' ? 'click' : e.type; var changed = false; if (type === 'mousemove') { if (!opts.onHover) { return; } } else if (type === 'click') { if (!opts.onClick) { return; } } else { return; } // Chart event already has relative position in it var x = e.x; var y = e.y; if (x >= me.left && x <= me.right && y >= me.top && y <= me.bottom) { // See if we are touching one of the dataset boxes var lh = me.legendHitBoxes; for (var i = 0; i < lh.length; ++i) { var hitBox = lh[i]; if (x >= hitBox.left && x <= hitBox.left + hitBox.width && y >= hitBox.top && y <= hitBox.top + hitBox.height) { // Touching an element if (type === 'click') { // use e.native for backwards compatibility opts.onClick.call(me, e.native, me.legendItems[i]); changed = true; break; } else if (type === 'mousemove') { // use e.native for backwards compatibility opts.onHover.call(me, e.native, me.legendItems[i]); changed = true; break; } } } } return changed; } }); function createNewLegendAndAttach(chart, legendOpts) { var legend = new Legend({ ctx: chart.ctx, options: legendOpts, chart: chart }); layouts.configure(chart, legend, legendOpts); layouts.addBox(chart, legend); chart.legend = legend; } module.exports = { id: 'legend', /** * Backward compatibility: since 2.1.5, the legend is registered as a plugin, making * Chart.Legend obsolete. To avoid a breaking change, we export the Legend as part of * the plugin, which one will be re-exposed in the chart.js file. * https://github.com/chartjs/Chart.js/pull/2640 * @private */ _element: Legend, beforeInit: function(chart) { var legendOpts = chart.options.legend; if (legendOpts) { createNewLegendAndAttach(chart, legendOpts); } }, beforeUpdate: function(chart) { var legendOpts = chart.options.legend; var legend = chart.legend; if (legendOpts) { helpers.mergeIf(legendOpts, defaults.global.legend); if (legend) { layouts.configure(chart, legend, legendOpts); legend.options = legendOpts; } else { createNewLegendAndAttach(chart, legendOpts); } } else if (legend) { layouts.removeBox(chart, legend); delete chart.legend; } }, afterEvent: function(chart, e) { var legend = chart.legend; if (legend) { legend.handleEvent(e); } } }; },{"26":26,"27":27,"31":31,"46":46}],53:[function(require,module,exports){ 'use strict'; var defaults = require(26); var Element = require(27); var helpers = require(46); var layouts = require(31); var noop = helpers.noop; defaults._set('global', { title: { display: false, fontStyle: 'bold', fullWidth: true, lineHeight: 1.2, padding: 10, position: 'top', text: '', weight: 2000 // by default greater than legend (1000) to be above } }); /** * IMPORTANT: this class is exposed publicly as Chart.Legend, backward compatibility required! */ var Title = Element.extend({ initialize: function(config) { var me = this; helpers.extend(me, config); // Contains hit boxes for each dataset (in dataset order) me.legendHitBoxes = []; }, // These methods are ordered by lifecycle. Utilities then follow. beforeUpdate: noop, update: function(maxWidth, maxHeight, margins) { var me = this; // Update Lifecycle - Probably don't want to ever extend or overwrite this function ;) me.beforeUpdate(); // Absorb the master measurements me.maxWidth = maxWidth; me.maxHeight = maxHeight; me.margins = margins; // Dimensions me.beforeSetDimensions(); me.setDimensions(); me.afterSetDimensions(); // Labels me.beforeBuildLabels(); me.buildLabels(); me.afterBuildLabels(); // Fit me.beforeFit(); me.fit(); me.afterFit(); // me.afterUpdate(); return me.minSize; }, afterUpdate: noop, // beforeSetDimensions: noop, setDimensions: function() { var me = this; // Set the unconstrained dimension before label rotation if (me.isHorizontal()) { // Reset position before calculating rotation me.width = me.maxWidth; me.left = 0; me.right = me.width; } else { me.height = me.maxHeight; // Reset position before calculating rotation me.top = 0; me.bottom = me.height; } // Reset padding me.paddingLeft = 0; me.paddingTop = 0; me.paddingRight = 0; me.paddingBottom = 0; // Reset minSize me.minSize = { width: 0, height: 0 }; }, afterSetDimensions: noop, // beforeBuildLabels: noop, buildLabels: noop, afterBuildLabels: noop, // beforeFit: noop, fit: function() { var me = this; var valueOrDefault = helpers.valueOrDefault; var opts = me.options; var display = opts.display; var fontSize = valueOrDefault(opts.fontSize, defaults.global.defaultFontSize); var minSize = me.minSize; var lineCount = helpers.isArray(opts.text) ? opts.text.length : 1; var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); var textSize = display ? (lineCount * lineHeight) + (opts.padding * 2) : 0; if (me.isHorizontal()) { minSize.width = me.maxWidth; // fill all the width minSize.height = textSize; } else { minSize.width = textSize; minSize.height = me.maxHeight; // fill all the height } me.width = minSize.width; me.height = minSize.height; }, afterFit: noop, // Shared Methods isHorizontal: function() { var pos = this.options.position; return pos === 'top' || pos === 'bottom'; }, // Actually draw the title block on the canvas draw: function() { var me = this; var ctx = me.ctx; var valueOrDefault = helpers.valueOrDefault; var opts = me.options; var globalDefaults = defaults.global; if (opts.display) { var fontSize = valueOrDefault(opts.fontSize, globalDefaults.defaultFontSize); var fontStyle = valueOrDefault(opts.fontStyle, globalDefaults.defaultFontStyle); var fontFamily = valueOrDefault(opts.fontFamily, globalDefaults.defaultFontFamily); var titleFont = helpers.fontString(fontSize, fontStyle, fontFamily); var lineHeight = helpers.options.toLineHeight(opts.lineHeight, fontSize); var offset = lineHeight / 2 + opts.padding; var rotation = 0; var top = me.top; var left = me.left; var bottom = me.bottom; var right = me.right; var maxWidth, titleX, titleY; ctx.fillStyle = valueOrDefault(opts.fontColor, globalDefaults.defaultFontColor); // render in correct colour ctx.font = titleFont; // Horizontal if (me.isHorizontal()) { titleX = left + ((right - left) / 2); // midpoint of the width titleY = top + offset; maxWidth = right - left; } else { titleX = opts.position === 'left' ? left + offset : right - offset; titleY = top + ((bottom - top) / 2); maxWidth = bottom - top; rotation = Math.PI * (opts.position === 'left' ? -0.5 : 0.5); } ctx.save(); ctx.translate(titleX, titleY); ctx.rotate(rotation); ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; var text = opts.text; if (helpers.isArray(text)) { var y = 0; for (var i = 0; i < text.length; ++i) { ctx.fillText(text[i], 0, y, maxWidth); y += lineHeight; } } else { ctx.fillText(text, 0, 0, maxWidth); } ctx.restore(); } } }); function createNewTitleBlockAndAttach(chart, titleOpts) { var title = new Title({ ctx: chart.ctx, options: titleOpts, chart: chart }); layouts.configure(chart, title, titleOpts); layouts.addBox(chart, title); chart.titleBlock = title; } module.exports = { id: 'title', /** * Backward compatibility: since 2.1.5, the title is registered as a plugin, making * Chart.Title obsolete. To avoid a breaking change, we export the Title as part of * the plugin, which one will be re-exposed in the chart.js file. * https://github.com/chartjs/Chart.js/pull/2640 * @private */ _element: Title, beforeInit: function(chart) { var titleOpts = chart.options.title; if (titleOpts) { createNewTitleBlockAndAttach(chart, titleOpts); } }, beforeUpdate: function(chart) { var titleOpts = chart.options.title; var titleBlock = chart.titleBlock; if (titleOpts) { helpers.mergeIf(titleOpts, defaults.global.title); if (titleBlock) { layouts.configure(chart, titleBlock, titleOpts); titleBlock.options = titleOpts; } else { createNewTitleBlockAndAttach(chart, titleOpts); } } else if (titleBlock) { layouts.removeBox(chart, titleBlock); delete chart.titleBlock; } } }; },{"26":26,"27":27,"31":31,"46":46}],54:[function(require,module,exports){ 'use strict'; var Scale = require(33); var scaleService = require(34); module.exports = function() { // Default config for a category scale var defaultConfig = { position: 'bottom' }; var DatasetScale = Scale.extend({ /** * Internal function to get the correct labels. If data.xLabels or data.yLabels are defined, use those * else fall back to data.labels * @private */ getLabels: function() { var data = this.chart.data; return this.options.labels || (this.isHorizontal() ? data.xLabels : data.yLabels) || data.labels; }, determineDataLimits: function() { var me = this; var labels = me.getLabels(); me.minIndex = 0; me.maxIndex = labels.length - 1; var findIndex; if (me.options.ticks.min !== undefined) { // user specified min value findIndex = labels.indexOf(me.options.ticks.min); me.minIndex = findIndex !== -1 ? findIndex : me.minIndex; } if (me.options.ticks.max !== undefined) { // user specified max value findIndex = labels.indexOf(me.options.ticks.max); me.maxIndex = findIndex !== -1 ? findIndex : me.maxIndex; } me.min = labels[me.minIndex]; me.max = labels[me.maxIndex]; }, buildTicks: function() { var me = this; var labels = me.getLabels(); // If we are viewing some subset of labels, slice the original array me.ticks = (me.minIndex === 0 && me.maxIndex === labels.length - 1) ? labels : labels.slice(me.minIndex, me.maxIndex + 1); }, getLabelForIndex: function(index, datasetIndex) { var me = this; var data = me.chart.data; var isHorizontal = me.isHorizontal(); if (data.yLabels && !isHorizontal) { return me.getRightValue(data.datasets[datasetIndex].data[index]); } return me.ticks[index - me.minIndex]; }, // Used to get data value locations. Value can either be an index or a numerical value getPixelForValue: function(value, index) { var me = this; var offset = me.options.offset; // 1 is added because we need the length but we have the indexes var offsetAmt = Math.max((me.maxIndex + 1 - me.minIndex - (offset ? 0 : 1)), 1); // If value is a data object, then index is the index in the data array, // not the index of the scale. We need to change that. var valueCategory; if (value !== undefined && value !== null) { valueCategory = me.isHorizontal() ? value.x : value.y; } if (valueCategory !== undefined || (value !== undefined && isNaN(index))) { var labels = me.getLabels(); value = valueCategory || value; var idx = labels.indexOf(value); index = idx !== -1 ? idx : index; } if (me.isHorizontal()) { var valueWidth = me.width / offsetAmt; var widthOffset = (valueWidth * (index - me.minIndex)); if (offset) { widthOffset += (valueWidth / 2); } return me.left + Math.round(widthOffset); } var valueHeight = me.height / offsetAmt; var heightOffset = (valueHeight * (index - me.minIndex)); if (offset) { heightOffset += (valueHeight / 2); } return me.top + Math.round(heightOffset); }, getPixelForTick: function(index) { return this.getPixelForValue(this.ticks[index], index + this.minIndex, null); }, getValueForPixel: function(pixel) { var me = this; var offset = me.options.offset; var value; var offsetAmt = Math.max((me._ticks.length - (offset ? 0 : 1)), 1); var horz = me.isHorizontal(); var valueDimension = (horz ? me.width : me.height) / offsetAmt; pixel -= horz ? me.left : me.top; if (offset) { pixel -= (valueDimension / 2); } if (pixel <= 0) { value = 0; } else { value = Math.round(pixel / valueDimension); } return value + me.minIndex; }, getBasePixel: function() { return this.bottom; } }); scaleService.registerScaleType('category', DatasetScale, defaultConfig); }; },{"33":33,"34":34}],55:[function(require,module,exports){ 'use strict'; var defaults = require(26); var helpers = require(46); var scaleService = require(34); var Ticks = require(35); module.exports = function(Chart) { var defaultConfig = { position: 'left', ticks: { callback: Ticks.formatters.linear } }; var LinearScale = Chart.LinearScaleBase.extend({ determineDataLimits: function() { var me = this; var opts = me.options; var chart = me.chart; var data = chart.data; var datasets = data.datasets; var isHorizontal = me.isHorizontal(); var DEFAULT_MIN = 0; var DEFAULT_MAX = 1; function IDMatches(meta) { return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; } // First Calculate the range me.min = null; me.max = null; var hasStacks = opts.stacked; if (hasStacks === undefined) { helpers.each(datasets, function(dataset, datasetIndex) { if (hasStacks) { return; } var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && meta.stack !== undefined) { hasStacks = true; } }); } if (opts.stacked || hasStacks) { var valuesPerStack = {}; helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); var key = [ meta.type, // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), meta.stack ].join('.'); if (valuesPerStack[key] === undefined) { valuesPerStack[key] = { positiveValues: [], negativeValues: [] }; } // Store these per type var positiveValues = valuesPerStack[key].positiveValues; var negativeValues = valuesPerStack[key].negativeValues; if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } positiveValues[index] = positiveValues[index] || 0; negativeValues[index] = negativeValues[index] || 0; if (opts.relativePoints) { positiveValues[index] = 100; } else if (value < 0) { negativeValues[index] += value; } else { positiveValues[index] += value; } }); } }); helpers.each(valuesPerStack, function(valuesForType) { var values = valuesForType.positiveValues.concat(valuesForType.negativeValues); var minVal = helpers.min(values); var maxVal = helpers.max(values); me.min = me.min === null ? minVal : Math.min(me.min, minVal); me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); }); } else { helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } if (me.min === null) { me.min = value; } else if (value < me.min) { me.min = value; } if (me.max === null) { me.max = value; } else if (value > me.max) { me.max = value; } }); } }); } me.min = isFinite(me.min) && !isNaN(me.min) ? me.min : DEFAULT_MIN; me.max = isFinite(me.max) && !isNaN(me.max) ? me.max : DEFAULT_MAX; // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero this.handleTickRangeOptions(); }, getTickLimit: function() { var maxTicks; var me = this; var tickOpts = me.options.ticks; if (me.isHorizontal()) { maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.width / 50)); } else { // The factor of 2 used to scale the font size has been experimentally determined. var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, defaults.global.defaultFontSize); maxTicks = Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(me.height / (2 * tickFontSize))); } return maxTicks; }, // Called after the ticks are built. We need handleDirectionalChanges: function() { if (!this.isHorizontal()) { // We are in a vertical orientation. The top value is the highest. So reverse the array this.ticks.reverse(); } }, getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, // Utils getPixelForValue: function(value) { // This must be called after fit has been run so that // this.left, this.top, this.right, and this.bottom have been defined var me = this; var start = me.start; var rightValue = +me.getRightValue(value); var pixel; var range = me.end - start; if (me.isHorizontal()) { pixel = me.left + (me.width / range * (rightValue - start)); } else { pixel = me.bottom - (me.height / range * (rightValue - start)); } return pixel; }, getValueForPixel: function(pixel) { var me = this; var isHorizontal = me.isHorizontal(); var innerDimension = isHorizontal ? me.width : me.height; var offset = (isHorizontal ? pixel - me.left : me.bottom - pixel) / innerDimension; return me.start + ((me.end - me.start) * offset); }, getPixelForTick: function(index) { return this.getPixelForValue(this.ticksAsNumbers[index]); } }); scaleService.registerScaleType('linear', LinearScale, defaultConfig); }; },{"26":26,"34":34,"35":35,"46":46}],56:[function(require,module,exports){ 'use strict'; var helpers = require(46); var Scale = require(33); /** * Generate a set of linear ticks * @param generationOptions the options used to generate the ticks * @param dataRange the range of the data * @returns {Array<Number>} array of tick values */ function generateTicks(generationOptions, dataRange) { var ticks = []; // To get a "nice" value for the tick spacing, we will use the appropriately named // "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks // for details. var factor; var precision; var spacing; if (generationOptions.stepSize && generationOptions.stepSize > 0) { spacing = generationOptions.stepSize; } else { var niceRange = helpers.niceNum(dataRange.max - dataRange.min, false); spacing = helpers.niceNum(niceRange / (generationOptions.maxTicks - 1), true); precision = generationOptions.precision; if (precision !== undefined) { // If the user specified a precision, round to that number of decimal places factor = Math.pow(10, precision); spacing = Math.ceil(spacing * factor) / factor; } } var niceMin = Math.floor(dataRange.min / spacing) * spacing; var niceMax = Math.ceil(dataRange.max / spacing) * spacing; // If min, max and stepSize is set and they make an evenly spaced scale use it. if (!helpers.isNullOrUndef(generationOptions.min) && !helpers.isNullOrUndef(generationOptions.max) && generationOptions.stepSize) { // If very close to our whole number, use it. if (helpers.almostWhole((generationOptions.max - generationOptions.min) / generationOptions.stepSize, spacing / 1000)) { niceMin = generationOptions.min; niceMax = generationOptions.max; } } var numSpaces = (niceMax - niceMin) / spacing; // If very close to our rounded value, use it. if (helpers.almostEquals(numSpaces, Math.round(numSpaces), spacing / 1000)) { numSpaces = Math.round(numSpaces); } else { numSpaces = Math.ceil(numSpaces); } precision = 1; if (spacing < 1) { precision = Math.pow(10, 1 - Math.floor(helpers.log10(spacing))); niceMin = Math.round(niceMin * precision) / precision; niceMax = Math.round(niceMax * precision) / precision; } ticks.push(generationOptions.min !== undefined ? generationOptions.min : niceMin); for (var j = 1; j < numSpaces; ++j) { ticks.push(Math.round((niceMin + j * spacing) * precision) / precision); } ticks.push(generationOptions.max !== undefined ? generationOptions.max : niceMax); return ticks; } module.exports = function(Chart) { var noop = helpers.noop; Chart.LinearScaleBase = Scale.extend({ getRightValue: function(value) { if (typeof value === 'string') { return +value; } return Scale.prototype.getRightValue.call(this, value); }, handleTickRangeOptions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // If we are forcing it to begin at 0, but 0 will already be rendered on the chart, // do nothing since that would make the chart weird. If the user really wants a weird chart // axis, they can manually override it if (tickOpts.beginAtZero) { var minSign = helpers.sign(me.min); var maxSign = helpers.sign(me.max); if (minSign < 0 && maxSign < 0) { // move the top up to 0 me.max = 0; } else if (minSign > 0 && maxSign > 0) { // move the bottom down to 0 me.min = 0; } } var setMin = tickOpts.min !== undefined || tickOpts.suggestedMin !== undefined; var setMax = tickOpts.max !== undefined || tickOpts.suggestedMax !== undefined; if (tickOpts.min !== undefined) { me.min = tickOpts.min; } else if (tickOpts.suggestedMin !== undefined) { if (me.min === null) { me.min = tickOpts.suggestedMin; } else { me.min = Math.min(me.min, tickOpts.suggestedMin); } } if (tickOpts.max !== undefined) { me.max = tickOpts.max; } else if (tickOpts.suggestedMax !== undefined) { if (me.max === null) { me.max = tickOpts.suggestedMax; } else { me.max = Math.max(me.max, tickOpts.suggestedMax); } } if (setMin !== setMax) { // We set the min or the max but not both. // So ensure that our range is good // Inverted or 0 length range can happen when // ticks.min is set, and no datasets are visible if (me.min >= me.max) { if (setMin) { me.max = me.min + 1; } else { me.min = me.max - 1; } } } if (me.min === me.max) { me.max++; if (!tickOpts.beginAtZero) { me.min--; } } }, getTickLimit: noop, handleDirectionalChanges: noop, buildTicks: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // Figure out what the max number of ticks we can support it is based on the size of // the axis area. For now, we say that the minimum tick spacing in pixels must be 50 // We also limit the maximum number of ticks to 11 which gives a nice 10 squares on // the graph. Make sure we always have at least 2 ticks var maxTicks = me.getTickLimit(); maxTicks = Math.max(2, maxTicks); var numericGeneratorOptions = { maxTicks: maxTicks, min: tickOpts.min, max: tickOpts.max, precision: tickOpts.precision, stepSize: helpers.valueOrDefault(tickOpts.fixedStepSize, tickOpts.stepSize) }; var ticks = me.ticks = generateTicks(numericGeneratorOptions, me); me.handleDirectionalChanges(); // At this point, we need to update our max and min given the tick values since we have expanded the // range of the scale me.max = helpers.max(ticks); me.min = helpers.min(ticks); if (tickOpts.reverse) { ticks.reverse(); me.start = me.max; me.end = me.min; } else { me.start = me.min; me.end = me.max; } }, convertTicksToLabels: function() { var me = this; me.ticksAsNumbers = me.ticks.slice(); me.zeroLineIndex = me.ticks.indexOf(0); Scale.prototype.convertTicksToLabels.call(me); } }); }; },{"33":33,"46":46}],57:[function(require,module,exports){ 'use strict'; var helpers = require(46); var Scale = require(33); var scaleService = require(34); var Ticks = require(35); /** * Generate a set of logarithmic ticks * @param generationOptions the options used to generate the ticks * @param dataRange the range of the data * @returns {Array<Number>} array of tick values */ function generateTicks(generationOptions, dataRange) { var ticks = []; var valueOrDefault = helpers.valueOrDefault; // 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 = valueOrDefault(generationOptions.min, Math.pow(10, Math.floor(helpers.log10(dataRange.min)))); var endExp = Math.floor(helpers.log10(dataRange.max)); var endSignificand = Math.ceil(dataRange.max / Math.pow(10, endExp)); var exp, significand; if (tickVal === 0) { exp = Math.floor(helpers.log10(dataRange.minNotZero)); significand = Math.floor(dataRange.minNotZero / Math.pow(10, exp)); ticks.push(tickVal); tickVal = significand * Math.pow(10, exp); } else { exp = Math.floor(helpers.log10(tickVal)); significand = Math.floor(tickVal / Math.pow(10, exp)); } var precision = exp < 0 ? Math.pow(10, Math.abs(exp)) : 1; do { ticks.push(tickVal); ++significand; if (significand === 10) { significand = 1; ++exp; precision = exp >= 0 ? 1 : precision; } tickVal = Math.round(significand * Math.pow(10, exp) * precision) / precision; } while (exp < endExp || (exp === endExp && significand < endSignificand)); var lastTick = valueOrDefault(generationOptions.max, tickVal); ticks.push(lastTick); return ticks; } module.exports = function(Chart) { var defaultConfig = { position: 'left', // label settings ticks: { callback: Ticks.formatters.logarithmic } }; var LogarithmicScale = Scale.extend({ determineDataLimits: function() { var me = this; var opts = me.options; var chart = me.chart; var data = chart.data; var datasets = data.datasets; var isHorizontal = me.isHorizontal(); function IDMatches(meta) { return isHorizontal ? meta.xAxisID === me.id : meta.yAxisID === me.id; } // Calculate Range me.min = null; me.max = null; me.minNotZero = null; var hasStacks = opts.stacked; if (hasStacks === undefined) { helpers.each(datasets, function(dataset, datasetIndex) { if (hasStacks) { return; } var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta) && meta.stack !== undefined) { hasStacks = true; } }); } if (opts.stacked || hasStacks) { var valuesPerStack = {}; helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); var key = [ meta.type, // we have a separate stack for stack=undefined datasets when the opts.stacked is undefined ((opts.stacked === undefined && meta.stack === undefined) ? datasetIndex : ''), meta.stack ].join('.'); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { if (valuesPerStack[key] === undefined) { valuesPerStack[key] = []; } helpers.each(dataset.data, function(rawValue, index) { var values = valuesPerStack[key]; var value = +me.getRightValue(rawValue); // invalid, hidden and negative values are ignored if (isNaN(value) || meta.data[index].hidden || value < 0) { return; } values[index] = values[index] || 0; values[index] += value; }); } }); helpers.each(valuesPerStack, function(valuesForType) { if (valuesForType.length > 0) { var minVal = helpers.min(valuesForType); var maxVal = helpers.max(valuesForType); me.min = me.min === null ? minVal : Math.min(me.min, minVal); me.max = me.max === null ? maxVal : Math.max(me.max, maxVal); } }); } else { helpers.each(datasets, function(dataset, datasetIndex) { var meta = chart.getDatasetMeta(datasetIndex); if (chart.isDatasetVisible(datasetIndex) && IDMatches(meta)) { helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); // invalid, hidden and negative values are ignored if (isNaN(value) || meta.data[index].hidden || value < 0) { return; } if (me.min === null) { me.min = value; } else if (value < me.min) { me.min = value; } if (me.max === null) { me.max = value; } else if (value > me.max) { me.max = value; } if (value !== 0 && (me.minNotZero === null || value < me.minNotZero)) { me.minNotZero = value; } }); } }); } // Common base implementation to handle ticks.min, ticks.max this.handleTickRangeOptions(); }, handleTickRangeOptions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; var valueOrDefault = helpers.valueOrDefault; var DEFAULT_MIN = 1; var DEFAULT_MAX = 10; me.min = valueOrDefault(tickOpts.min, me.min); me.max = valueOrDefault(tickOpts.max, me.max); if (me.min === me.max) { if (me.min !== 0 && me.min !== null) { me.min = Math.pow(10, Math.floor(helpers.log10(me.min)) - 1); me.max = Math.pow(10, Math.floor(helpers.log10(me.max)) + 1); } else { me.min = DEFAULT_MIN; me.max = DEFAULT_MAX; } } if (me.min === null) { me.min = Math.pow(10, Math.floor(helpers.log10(me.max)) - 1); } if (me.max === null) { me.max = me.min !== 0 ? Math.pow(10, Math.floor(helpers.log10(me.min)) + 1) : DEFAULT_MAX; } if (me.minNotZero === null) { if (me.min > 0) { me.minNotZero = me.min; } else if (me.max < 1) { me.minNotZero = Math.pow(10, Math.floor(helpers.log10(me.max))); } else { me.minNotZero = DEFAULT_MIN; } } }, buildTicks: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; var reverse = !me.isHorizontal(); var generationOptions = { min: tickOpts.min, max: tickOpts.max }; var ticks = me.ticks = generateTicks(generationOptions, me); // At this point, we need to update our max and min given the tick values since we have expanded the // range of the scale me.max = helpers.max(ticks); me.min = helpers.min(ticks); if (tickOpts.reverse) { reverse = !reverse; me.start = me.max; me.end = me.min; } else { me.start = me.min; me.end = me.max; } if (reverse) { ticks.reverse(); } }, convertTicksToLabels: function() { this.tickValues = this.ticks.slice(); Scale.prototype.convertTicksToLabels.call(this); }, // Get the correct tooltip label getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, getPixelForTick: function(index) { return this.getPixelForValue(this.tickValues[index]); }, /** * Returns the value of the first tick. * @param {Number} value - The minimum not zero value. * @return {Number} The first tick value. * @private */ _getFirstTickValue: function(value) { var exp = Math.floor(helpers.log10(value)); var significand = Math.floor(value / Math.pow(10, exp)); return significand * Math.pow(10, exp); }, getPixelForValue: function(value) { var me = this; var reverse = me.options.ticks.reverse; var log10 = helpers.log10; var firstTickValue = me._getFirstTickValue(me.minNotZero); var offset = 0; var innerDimension, pixel, start, end, sign; value = +me.getRightValue(value); if (reverse) { start = me.end; end = me.start; sign = -1; } else { start = me.start; end = me.end; sign = 1; } if (me.isHorizontal()) { innerDimension = me.width; pixel = reverse ? me.right : me.left; } else { innerDimension = me.height; sign *= -1; // invert, since the upper-left corner of the canvas is at pixel (0, 0) pixel = reverse ? me.top : me.bottom; } if (value !== start) { if (start === 0) { // include zero tick offset = helpers.getValueOrDefault( me.options.ticks.fontSize, Chart.defaults.global.defaultFontSize ); innerDimension -= offset; start = firstTickValue; } if (value !== 0) { offset += innerDimension / (log10(end) - log10(start)) * (log10(value) - log10(start)); } pixel += sign * offset; } return pixel; }, getValueForPixel: function(pixel) { var me = this; var reverse = me.options.ticks.reverse; var log10 = helpers.log10; var firstTickValue = me._getFirstTickValue(me.minNotZero); var innerDimension, start, end, value; if (reverse) { start = me.end; end = me.start; } else { start = me.start; end = me.end; } if (me.isHorizontal()) { innerDimension = me.width; value = reverse ? me.right - pixel : pixel - me.left; } else { innerDimension = me.height; value = reverse ? pixel - me.top : me.bottom - pixel; } if (value !== start) { if (start === 0) { // include zero tick var offset = helpers.getValueOrDefault( me.options.ticks.fontSize, Chart.defaults.global.defaultFontSize ); value -= offset; innerDimension -= offset; start = firstTickValue; } value *= log10(end) - log10(start); value /= innerDimension; value = Math.pow(10, log10(start) + value); } return value; } }); scaleService.registerScaleType('logarithmic', LogarithmicScale, defaultConfig); }; },{"33":33,"34":34,"35":35,"46":46}],58:[function(require,module,exports){ 'use strict'; var defaults = require(26); var helpers = require(46); var scaleService = require(34); var Ticks = require(35); module.exports = function(Chart) { var globalDefaults = defaults.global; var defaultConfig = { display: true, // Boolean - Whether to animate scaling the chart from the centre animate: true, position: 'chartArea', angleLines: { display: true, color: 'rgba(0, 0, 0, 0.1)', lineWidth: 1 }, gridLines: { circular: false }, // label settings ticks: { // Boolean - Show a backdrop to the scale label showLabelBackdrop: true, // String - The colour of the label backdrop backdropColor: 'rgba(255,255,255,0.75)', // Number - The backdrop padding above & below the label in pixels backdropPaddingY: 2, // Number - The backdrop padding to the side of the label in pixels backdropPaddingX: 2, callback: Ticks.formatters.linear }, pointLabels: { // Boolean - if true, show point labels display: true, // Number - Point label font size in pixels fontSize: 10, // Function - Used to convert point labels callback: function(label) { return label; } } }; function getValueCount(scale) { var opts = scale.options; return opts.angleLines.display || opts.pointLabels.display ? scale.chart.data.labels.length : 0; } function getPointLabelFontOptions(scale) { var pointLabelOptions = scale.options.pointLabels; var fontSize = helpers.valueOrDefault(pointLabelOptions.fontSize, globalDefaults.defaultFontSize); var fontStyle = helpers.valueOrDefault(pointLabelOptions.fontStyle, globalDefaults.defaultFontStyle); var fontFamily = helpers.valueOrDefault(pointLabelOptions.fontFamily, globalDefaults.defaultFontFamily); var font = helpers.fontString(fontSize, fontStyle, fontFamily); return { size: fontSize, style: fontStyle, family: fontFamily, font: font }; } function measureLabelSize(ctx, fontSize, label) { if (helpers.isArray(label)) { return { w: helpers.longestText(ctx, ctx.font, label), h: (label.length * fontSize) + ((label.length - 1) * 1.5 * fontSize) }; } return { w: ctx.measureText(label).width, h: fontSize }; } function determineLimits(angle, pos, size, min, max) { if (angle === min || angle === max) { return { start: pos - (size / 2), end: pos + (size / 2) }; } else if (angle < min || angle > max) { return { start: pos - size - 5, end: pos }; } return { start: pos, end: pos + size + 5 }; } /** * Helper function to fit a radial linear scale with point labels */ function fitWithPointLabels(scale) { /* * Right, this is really confusing and there is a lot of maths going on here * The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9 * * Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif * * Solution: * * We assume the radius of the polygon is half the size of the canvas at first * at each index we check if the text overlaps. * * Where it does, we store that angle and that index. * * After finding the largest index and angle we calculate how much we need to remove * from the shape radius to move the point inwards by that x. * * We average the left and right distances to get the maximum shape radius that can fit in the box * along with labels. * * Once we have that, we can find the centre point for the chart, by taking the x text protrusion * on each side, removing that from the size, halving it and adding the left x protrusion width. * * This will mean we have a shape fitted to the canvas, as large as it can be with the labels * and position it in the most space efficient manner * * https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif */ var plFont = getPointLabelFontOptions(scale); // Get maximum radius of the polygon. Either half the height (minus the text width) or half the width. // Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); var furthestLimits = { r: scale.width, l: 0, t: scale.height, b: 0 }; var furthestAngles = {}; var i, textSize, pointPosition; scale.ctx.font = plFont.font; scale._pointLabelSizes = []; var valueCount = getValueCount(scale); for (i = 0; i < valueCount; i++) { pointPosition = scale.getPointPosition(i, largestPossibleRadius); textSize = measureLabelSize(scale.ctx, plFont.size, scale.pointLabels[i] || ''); scale._pointLabelSizes[i] = textSize; // Add quarter circle to make degree 0 mean top of circle var angleRadians = scale.getIndexAngle(i); var angle = helpers.toDegrees(angleRadians) % 360; var hLimits = determineLimits(angle, pointPosition.x, textSize.w, 0, 180); var vLimits = determineLimits(angle, pointPosition.y, textSize.h, 90, 270); if (hLimits.start < furthestLimits.l) { furthestLimits.l = hLimits.start; furthestAngles.l = angleRadians; } if (hLimits.end > furthestLimits.r) { furthestLimits.r = hLimits.end; furthestAngles.r = angleRadians; } if (vLimits.start < furthestLimits.t) { furthestLimits.t = vLimits.start; furthestAngles.t = angleRadians; } if (vLimits.end > furthestLimits.b) { furthestLimits.b = vLimits.end; furthestAngles.b = angleRadians; } } scale.setReductions(largestPossibleRadius, furthestLimits, furthestAngles); } /** * Helper function to fit a radial linear scale with no point labels */ function fit(scale) { var largestPossibleRadius = Math.min(scale.height / 2, scale.width / 2); scale.drawingArea = Math.round(largestPossibleRadius); scale.setCenterPoint(0, 0, 0, 0); } function getTextAlignForAngle(angle) { if (angle === 0 || angle === 180) { return 'center'; } else if (angle < 180) { return 'left'; } return 'right'; } function fillText(ctx, text, position, fontSize) { if (helpers.isArray(text)) { var y = position.y; var spacing = 1.5 * fontSize; for (var i = 0; i < text.length; ++i) { ctx.fillText(text[i], position.x, y); y += spacing; } } else { ctx.fillText(text, position.x, position.y); } } function adjustPointPositionForLabelHeight(angle, textSize, position) { if (angle === 90 || angle === 270) { position.y -= (textSize.h / 2); } else if (angle > 270 || angle < 90) { position.y -= textSize.h; } } function drawPointLabels(scale) { var ctx = scale.ctx; var opts = scale.options; var angleLineOpts = opts.angleLines; var pointLabelOpts = opts.pointLabels; ctx.lineWidth = angleLineOpts.lineWidth; ctx.strokeStyle = angleLineOpts.color; var outerDistance = scale.getDistanceFromCenterForValue(opts.ticks.reverse ? scale.min : scale.max); // Point Label Font var plFont = getPointLabelFontOptions(scale); ctx.textBaseline = 'top'; for (var i = getValueCount(scale) - 1; i >= 0; i--) { if (angleLineOpts.display) { var outerPosition = scale.getPointPosition(i, outerDistance); ctx.beginPath(); ctx.moveTo(scale.xCenter, scale.yCenter); ctx.lineTo(outerPosition.x, outerPosition.y); ctx.stroke(); ctx.closePath(); } if (pointLabelOpts.display) { // Extra 3px out for some label spacing var pointLabelPosition = scale.getPointPosition(i, outerDistance + 5); // Keep this in loop since we may support array properties here var pointLabelFontColor = helpers.valueAtIndexOrDefault(pointLabelOpts.fontColor, i, globalDefaults.defaultFontColor); ctx.font = plFont.font; ctx.fillStyle = pointLabelFontColor; var angleRadians = scale.getIndexAngle(i); var angle = helpers.toDegrees(angleRadians); ctx.textAlign = getTextAlignForAngle(angle); adjustPointPositionForLabelHeight(angle, scale._pointLabelSizes[i], pointLabelPosition); fillText(ctx, scale.pointLabels[i] || '', pointLabelPosition, plFont.size); } } } function drawRadiusLine(scale, gridLineOpts, radius, index) { var ctx = scale.ctx; ctx.strokeStyle = helpers.valueAtIndexOrDefault(gridLineOpts.color, index - 1); ctx.lineWidth = helpers.valueAtIndexOrDefault(gridLineOpts.lineWidth, index - 1); if (scale.options.gridLines.circular) { // Draw circular arcs between the points ctx.beginPath(); ctx.arc(scale.xCenter, scale.yCenter, radius, 0, Math.PI * 2); ctx.closePath(); ctx.stroke(); } else { // Draw straight lines connecting each index var valueCount = getValueCount(scale); if (valueCount === 0) { return; } ctx.beginPath(); var pointPosition = scale.getPointPosition(0, radius); ctx.moveTo(pointPosition.x, pointPosition.y); for (var i = 1; i < valueCount; i++) { pointPosition = scale.getPointPosition(i, radius); ctx.lineTo(pointPosition.x, pointPosition.y); } ctx.closePath(); ctx.stroke(); } } function numberOrZero(param) { return helpers.isNumber(param) ? param : 0; } var LinearRadialScale = Chart.LinearScaleBase.extend({ setDimensions: function() { var me = this; var opts = me.options; var tickOpts = opts.ticks; // Set the unconstrained dimension before label rotation me.width = me.maxWidth; me.height = me.maxHeight; me.xCenter = Math.round(me.width / 2); me.yCenter = Math.round(me.height / 2); var minSize = helpers.min([me.height, me.width]); var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); me.drawingArea = opts.display ? (minSize / 2) - (tickFontSize / 2 + tickOpts.backdropPaddingY) : (minSize / 2); }, determineDataLimits: function() { var me = this; var chart = me.chart; var min = Number.POSITIVE_INFINITY; var max = Number.NEGATIVE_INFINITY; helpers.each(chart.data.datasets, function(dataset, datasetIndex) { if (chart.isDatasetVisible(datasetIndex)) { var meta = chart.getDatasetMeta(datasetIndex); helpers.each(dataset.data, function(rawValue, index) { var value = +me.getRightValue(rawValue); if (isNaN(value) || meta.data[index].hidden) { return; } min = Math.min(value, min); max = Math.max(value, max); }); } }); me.min = (min === Number.POSITIVE_INFINITY ? 0 : min); me.max = (max === Number.NEGATIVE_INFINITY ? 0 : max); // Common base implementation to handle ticks.min, ticks.max, ticks.beginAtZero me.handleTickRangeOptions(); }, getTickLimit: function() { var tickOpts = this.options.ticks; var tickFontSize = helpers.valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); return Math.min(tickOpts.maxTicksLimit ? tickOpts.maxTicksLimit : 11, Math.ceil(this.drawingArea / (1.5 * tickFontSize))); }, convertTicksToLabels: function() { var me = this; Chart.LinearScaleBase.prototype.convertTicksToLabels.call(me); // Point labels me.pointLabels = me.chart.data.labels.map(me.options.pointLabels.callback, me); }, getLabelForIndex: function(index, datasetIndex) { return +this.getRightValue(this.chart.data.datasets[datasetIndex].data[index]); }, fit: function() { if (this.options.pointLabels.display) { fitWithPointLabels(this); } else { fit(this); } }, /** * Set radius reductions and determine new radius and center point * @private */ setReductions: function(largestPossibleRadius, furthestLimits, furthestAngles) { var me = this; var radiusReductionLeft = furthestLimits.l / Math.sin(furthestAngles.l); var radiusReductionRight = Math.max(furthestLimits.r - me.width, 0) / Math.sin(furthestAngles.r); var radiusReductionTop = -furthestLimits.t / Math.cos(furthestAngles.t); var radiusReductionBottom = -Math.max(furthestLimits.b - me.height, 0) / Math.cos(furthestAngles.b); radiusReductionLeft = numberOrZero(radiusReductionLeft); radiusReductionRight = numberOrZero(radiusReductionRight); radiusReductionTop = numberOrZero(radiusReductionTop); radiusReductionBottom = numberOrZero(radiusReductionBottom); me.drawingArea = Math.min( Math.round(largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2), Math.round(largestPossibleRadius - (radiusReductionTop + radiusReductionBottom) / 2)); me.setCenterPoint(radiusReductionLeft, radiusReductionRight, radiusReductionTop, radiusReductionBottom); }, setCenterPoint: function(leftMovement, rightMovement, topMovement, bottomMovement) { var me = this; var maxRight = me.width - rightMovement - me.drawingArea; var maxLeft = leftMovement + me.drawingArea; var maxTop = topMovement + me.drawingArea; var maxBottom = me.height - bottomMovement - me.drawingArea; me.xCenter = Math.round(((maxLeft + maxRight) / 2) + me.left); me.yCenter = Math.round(((maxTop + maxBottom) / 2) + me.top); }, getIndexAngle: function(index) { var angleMultiplier = (Math.PI * 2) / getValueCount(this); var startAngle = this.chart.options && this.chart.options.startAngle ? this.chart.options.startAngle : 0; var startAngleRadians = startAngle * Math.PI * 2 / 360; // Start from the top instead of right, so remove a quarter of the circle return index * angleMultiplier + startAngleRadians; }, getDistanceFromCenterForValue: function(value) { var me = this; if (value === null) { return 0; // null always in center } // Take into account half font size + the yPadding of the top value var scalingFactor = me.drawingArea / (me.max - me.min); if (me.options.ticks.reverse) { return (me.max - value) * scalingFactor; } return (value - me.min) * scalingFactor; }, getPointPosition: function(index, distanceFromCenter) { var me = this; var thisAngle = me.getIndexAngle(index) - (Math.PI / 2); return { x: Math.round(Math.cos(thisAngle) * distanceFromCenter) + me.xCenter, y: Math.round(Math.sin(thisAngle) * distanceFromCenter) + me.yCenter }; }, getPointPositionForValue: function(index, value) { return this.getPointPosition(index, this.getDistanceFromCenterForValue(value)); }, getBasePosition: function() { var me = this; var min = me.min; var max = me.max; return me.getPointPositionForValue(0, me.beginAtZero ? 0 : min < 0 && max < 0 ? max : min > 0 && max > 0 ? min : 0); }, draw: function() { var me = this; var opts = me.options; var gridLineOpts = opts.gridLines; var tickOpts = opts.ticks; var valueOrDefault = helpers.valueOrDefault; if (opts.display) { var ctx = me.ctx; var startAngle = this.getIndexAngle(0); // Tick Font var tickFontSize = valueOrDefault(tickOpts.fontSize, globalDefaults.defaultFontSize); var tickFontStyle = valueOrDefault(tickOpts.fontStyle, globalDefaults.defaultFontStyle); var tickFontFamily = valueOrDefault(tickOpts.fontFamily, globalDefaults.defaultFontFamily); var tickLabelFont = helpers.fontString(tickFontSize, tickFontStyle, tickFontFamily); helpers.each(me.ticks, function(label, index) { // Don't draw a centre value (if it is minimum) if (index > 0 || tickOpts.reverse) { var yCenterOffset = me.getDistanceFromCenterForValue(me.ticksAsNumbers[index]); // Draw circular lines around the scale if (gridLineOpts.display && index !== 0) { drawRadiusLine(me, gridLineOpts, yCenterOffset, index); } if (tickOpts.display) { var tickFontColor = valueOrDefault(tickOpts.fontColor, globalDefaults.defaultFontColor); ctx.font = tickLabelFont; ctx.save(); ctx.translate(me.xCenter, me.yCenter); ctx.rotate(startAngle); if (tickOpts.showLabelBackdrop) { var labelWidth = ctx.measureText(label).width; ctx.fillStyle = tickOpts.backdropColor; ctx.fillRect( -labelWidth / 2 - tickOpts.backdropPaddingX, -yCenterOffset - tickFontSize / 2 - tickOpts.backdropPaddingY, labelWidth + tickOpts.backdropPaddingX * 2, tickFontSize + tickOpts.backdropPaddingY * 2 ); } ctx.textAlign = 'center'; ctx.textBaseline = 'middle'; ctx.fillStyle = tickFontColor; ctx.fillText(label, 0, -yCenterOffset); ctx.restore(); } } }); if (opts.angleLines.display || opts.pointLabels.display) { drawPointLabels(me); } } } }); scaleService.registerScaleType('radialLinear', LinearRadialScale, defaultConfig); }; },{"26":26,"34":34,"35":35,"46":46}],59:[function(require,module,exports){ /* global window: false */ 'use strict'; var moment = require(1); moment = typeof moment === 'function' ? moment : window.moment; var defaults = require(26); var helpers = require(46); var Scale = require(33); var scaleService = require(34); // Integer constants are from the ES6 spec. var MIN_INTEGER = Number.MIN_SAFE_INTEGER || -9007199254740991; var MAX_INTEGER = Number.MAX_SAFE_INTEGER || 9007199254740991; var INTERVALS = { millisecond: { common: true, size: 1, steps: [1, 2, 5, 10, 20, 50, 100, 250, 500] }, second: { common: true, size: 1000, steps: [1, 2, 5, 10, 15, 30] }, minute: { common: true, size: 60000, steps: [1, 2, 5, 10, 15, 30] }, hour: { common: true, size: 3600000, steps: [1, 2, 3, 6, 12] }, day: { common: true, size: 86400000, steps: [1, 2, 5] }, week: { common: false, size: 604800000, steps: [1, 2, 3, 4] }, month: { common: true, size: 2.628e9, steps: [1, 2, 3] }, quarter: { common: false, size: 7.884e9, steps: [1, 2, 3, 4] }, year: { common: true, size: 3.154e10 } }; var UNITS = Object.keys(INTERVALS); function sorter(a, b) { return a - b; } function arrayUnique(items) { var hash = {}; var out = []; var i, ilen, item; for (i = 0, ilen = items.length; i < ilen; ++i) { item = items[i]; if (!hash[item]) { hash[item] = true; out.push(item); } } return out; } /** * Returns an array of {time, pos} objects used to interpolate a specific `time` or position * (`pos`) on the scale, by searching entries before and after the requested value. `pos` is * a decimal between 0 and 1: 0 being the start of the scale (left or top) and 1 the other * extremity (left + width or top + height). Note that it would be more optimized to directly * store pre-computed pixels, but the scale dimensions are not guaranteed at the time we need * to create the lookup table. The table ALWAYS contains at least two items: min and max. * * @param {Number[]} timestamps - timestamps sorted from lowest to highest. * @param {String} distribution - If 'linear', timestamps will be spread linearly along the min * and max range, so basically, the table will contains only two items: {min, 0} and {max, 1}. * If 'series', timestamps will be positioned at the same distance from each other. In this * case, only timestamps that break the time linearity are registered, meaning that in the * best case, all timestamps are linear, the table contains only min and max. */ function buildLookupTable(timestamps, min, max, distribution) { if (distribution === 'linear' || !timestamps.length) { return [ {time: min, pos: 0}, {time: max, pos: 1} ]; } var table = []; var items = [min]; var i, ilen, prev, curr, next; for (i = 0, ilen = timestamps.length; i < ilen; ++i) { curr = timestamps[i]; if (curr > min && curr < max) { items.push(curr); } } items.push(max); for (i = 0, ilen = items.length; i < ilen; ++i) { next = items[i + 1]; prev = items[i - 1]; curr = items[i]; // only add points that breaks the scale linearity if (prev === undefined || next === undefined || Math.round((next + prev) / 2) !== curr) { table.push({time: curr, pos: i / (ilen - 1)}); } } return table; } // @see adapted from http://www.anujgakhar.com/2014/03/01/binary-search-in-javascript/ function lookup(table, key, value) { var lo = 0; var hi = table.length - 1; var mid, i0, i1; while (lo >= 0 && lo <= hi) { mid = (lo + hi) >> 1; i0 = table[mid - 1] || null; i1 = table[mid]; if (!i0) { // given value is outside table (before first item) return {lo: null, hi: i1}; } else if (i1[key] < value) { lo = mid + 1; } else if (i0[key] > value) { hi = mid - 1; } else { return {lo: i0, hi: i1}; } } // given value is outside table (after last item) return {lo: i1, hi: null}; } /** * Linearly interpolates the given source `value` using the table items `skey` values and * returns the associated `tkey` value. For example, interpolate(table, 'time', 42, 'pos') * returns the position for a timestamp equal to 42. If value is out of bounds, values at * index [0, 1] or [n - 1, n] are used for the interpolation. */ function interpolate(table, skey, sval, tkey) { var range = lookup(table, skey, sval); // Note: the lookup table ALWAYS contains at least 2 items (min and max) var prev = !range.lo ? table[0] : !range.hi ? table[table.length - 2] : range.lo; var next = !range.lo ? table[1] : !range.hi ? table[table.length - 1] : range.hi; var span = next[skey] - prev[skey]; var ratio = span ? (sval - prev[skey]) / span : 0; var offset = (next[tkey] - prev[tkey]) * ratio; return prev[tkey] + offset; } /** * Convert the given value to a moment object using the given time options. * @see http://momentjs.com/docs/#/parsing/ */ function momentify(value, options) { var parser = options.parser; var format = options.parser || options.format; if (typeof parser === 'function') { return parser(value); } if (typeof value === 'string' && typeof format === 'string') { return moment(value, format); } if (!(value instanceof moment)) { value = moment(value); } if (value.isValid()) { return value; } // Labels are in an incompatible moment format and no `parser` has been provided. // The user might still use the deprecated `format` option to convert his inputs. if (typeof format === 'function') { return format(value); } return value; } function parse(input, scale) { if (helpers.isNullOrUndef(input)) { return null; } var options = scale.options.time; var value = momentify(scale.getRightValue(input), options); if (!value.isValid()) { return null; } if (options.round) { value.startOf(options.round); } return value.valueOf(); } /** * Returns the number of unit to skip to be able to display up to `capacity` number of ticks * in `unit` for the given `min` / `max` range and respecting the interval steps constraints. */ function determineStepSize(min, max, unit, capacity) { var range = max - min; var interval = INTERVALS[unit]; var milliseconds = interval.size; var steps = interval.steps; var i, ilen, factor; if (!steps) { return Math.ceil(range / (capacity * milliseconds)); } for (i = 0, ilen = steps.length; i < ilen; ++i) { factor = steps[i]; if (Math.ceil(range / (milliseconds * factor)) <= capacity) { break; } } return factor; } /** * Figures out what unit results in an appropriate number of auto-generated ticks */ function determineUnitForAutoTicks(minUnit, min, max, capacity) { var ilen = UNITS.length; var i, interval, factor; for (i = UNITS.indexOf(minUnit); i < ilen - 1; ++i) { interval = INTERVALS[UNITS[i]]; factor = interval.steps ? interval.steps[interval.steps.length - 1] : MAX_INTEGER; if (interval.common && Math.ceil((max - min) / (factor * interval.size)) <= capacity) { return UNITS[i]; } } return UNITS[ilen - 1]; } /** * Figures out what unit to format a set of ticks with */ function determineUnitForFormatting(ticks, minUnit, min, max) { var duration = moment.duration(moment(max).diff(moment(min))); var ilen = UNITS.length; var i, unit; for (i = ilen - 1; i >= UNITS.indexOf(minUnit); i--) { unit = UNITS[i]; if (INTERVALS[unit].common && duration.as(unit) >= ticks.length) { return unit; } } return UNITS[minUnit ? UNITS.indexOf(minUnit) : 0]; } function determineMajorUnit(unit) { for (var i = UNITS.indexOf(unit) + 1, ilen = UNITS.length; i < ilen; ++i) { if (INTERVALS[UNITS[i]].common) { return UNITS[i]; } } } /** * Generates a maximum of `capacity` timestamps between min and max, rounded to the * `minor` unit, aligned on the `major` unit and using the given scale time `options`. * Important: this method can return ticks outside the min and max range, it's the * responsibility of the calling code to clamp values if needed. */ function generate(min, max, capacity, options) { var timeOpts = options.time; var minor = timeOpts.unit || determineUnitForAutoTicks(timeOpts.minUnit, min, max, capacity); var major = determineMajorUnit(minor); var stepSize = helpers.valueOrDefault(timeOpts.stepSize, timeOpts.unitStepSize); var weekday = minor === 'week' ? timeOpts.isoWeekday : false; var majorTicksEnabled = options.ticks.major.enabled; var interval = INTERVALS[minor]; var first = moment(min); var last = moment(max); var ticks = []; var time; if (!stepSize) { stepSize = determineStepSize(min, max, minor, capacity); } // For 'week' unit, handle the first day of week option if (weekday) { first = first.isoWeekday(weekday); last = last.isoWeekday(weekday); } // Align first/last ticks on unit first = first.startOf(weekday ? 'day' : minor); last = last.startOf(weekday ? 'day' : minor); // Make sure that the last tick include max if (last < max) { last.add(1, minor); } time = moment(first); if (majorTicksEnabled && major && !weekday && !timeOpts.round) { // Align the first tick on the previous `minor` unit aligned on the `major` unit: // we first aligned time on the previous `major` unit then add the number of full // stepSize there is between first and the previous major time. time.startOf(major); time.add(~~((first - time) / (interval.size * stepSize)) * stepSize, minor); } for (; time < last; time.add(stepSize, minor)) { ticks.push(+time); } ticks.push(+time); return ticks; } /** * Returns the right and left offsets from edges in the form of {left, right}. * Offsets are added when the `offset` option is true. */ function computeOffsets(table, ticks, min, max, options) { var left = 0; var right = 0; var upper, lower; if (options.offset && ticks.length) { if (!options.time.min) { upper = ticks.length > 1 ? ticks[1] : max; lower = ticks[0]; left = ( interpolate(table, 'time', upper, 'pos') - interpolate(table, 'time', lower, 'pos') ) / 2; } if (!options.time.max) { upper = ticks[ticks.length - 1]; lower = ticks.length > 1 ? ticks[ticks.length - 2] : min; right = ( interpolate(table, 'time', upper, 'pos') - interpolate(table, 'time', lower, 'pos') ) / 2; } } return {left: left, right: right}; } function ticksFromTimestamps(values, majorUnit) { var ticks = []; var i, ilen, value, major; for (i = 0, ilen = values.length; i < ilen; ++i) { value = values[i]; major = majorUnit ? value === +moment(value).startOf(majorUnit) : false; ticks.push({ value: value, major: major }); } return ticks; } function determineLabelFormat(data, timeOpts) { var i, momentDate, hasTime; var ilen = data.length; // find the label with the most parts (milliseconds, minutes, etc.) // format all labels with the same level of detail as the most specific label for (i = 0; i < ilen; i++) { momentDate = momentify(data[i], timeOpts); if (momentDate.millisecond() !== 0) { return 'MMM D, YYYY h:mm:ss.SSS a'; } if (momentDate.second() !== 0 || momentDate.minute() !== 0 || momentDate.hour() !== 0) { hasTime = true; } } if (hasTime) { return 'MMM D, YYYY h:mm:ss a'; } return 'MMM D, YYYY'; } module.exports = function() { var defaultConfig = { position: 'bottom', /** * Data distribution along the scale: * - 'linear': data are spread according to their time (distances can vary), * - 'series': data are spread at the same distance from each other. * @see https://github.com/chartjs/Chart.js/pull/4507 * @since 2.7.0 */ distribution: 'linear', /** * Scale boundary strategy (bypassed by min/max time options) * - `data`: make sure data are fully visible, ticks outside are removed * - `ticks`: make sure ticks are fully visible, data outside are truncated * @see https://github.com/chartjs/Chart.js/pull/4556 * @since 2.7.0 */ bounds: 'data', time: { parser: false, // false == a pattern string from http://momentjs.com/docs/#/parsing/string-format/ or a custom callback that converts its argument to a moment format: false, // DEPRECATED false == date objects, moment object, callback or a pattern string from http://momentjs.com/docs/#/parsing/string-format/ unit: false, // false == automatic or override with week, month, year, etc. round: false, // none, or override with week, month, year, etc. displayFormat: false, // DEPRECATED isoWeekday: false, // override week start day - see http://momentjs.com/docs/#/get-set/iso-weekday/ minUnit: 'millisecond', // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/ displayFormats: { millisecond: 'h:mm:ss.SSS a', // 11:20:01.123 AM, second: 'h:mm:ss a', // 11:20:01 AM minute: 'h:mm a', // 11:20 AM hour: 'hA', // 5PM day: 'MMM D', // Sep 4 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, /** * Ticks generation input values: * - 'auto': generates "optimal" ticks based on scale size and time options. * - 'data': generates ticks from data (including labels from data {t|x|y} objects). * - 'labels': generates ticks from user given `data.labels` values ONLY. * @see https://github.com/chartjs/Chart.js/pull/4507 * @since 2.7.0 */ source: 'auto', major: { enabled: false } } }; var TimeScale = 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'); } this.mergeTicksOptions(); Scale.prototype.initialize.call(this); }, update: function() { var me = this; var options = me.options; // DEPRECATIONS: output a message only one time per update if (options.time && options.time.format) { console.warn('options.time.format is deprecated and replaced by options.time.parser.'); } return Scale.prototype.update.apply(me, arguments); }, /** * Allows data to be referenced via 't' attribute */ getRightValue: function(rawValue) { if (rawValue && rawValue.t !== undefined) { rawValue = rawValue.t; } return Scale.prototype.getRightValue.call(this, rawValue); }, determineDataLimits: function() { var me = this; var chart = me.chart; var timeOpts = me.options.time; var unit = timeOpts.unit || 'day'; var min = MAX_INTEGER; var max = MIN_INTEGER; var timestamps = []; var datasets = []; var labels = []; var i, j, ilen, jlen, data, timestamp; // Convert labels to timestamps for (i = 0, ilen = chart.data.labels.length; i < ilen; ++i) { labels.push(parse(chart.data.labels[i], me)); } // Convert data to timestamps for (i = 0, ilen = (chart.data.datasets || []).length; i < ilen; ++i) { if (chart.isDatasetVisible(i)) { data = chart.data.datasets[i].data; // Let's consider that all data have the same format. if (helpers.isObject(data[0])) { datasets[i] = []; for (j = 0, jlen = data.length; j < jlen; ++j) { timestamp = parse(data[j], me); timestamps.push(timestamp); datasets[i][j] = timestamp; } } else { timestamps.push.apply(timestamps, labels); datasets[i] = labels.slice(0); } } else { datasets[i] = []; } } if (labels.length) { // Sort labels **after** data have been converted labels = arrayUnique(labels).sort(sorter); min = Math.min(min, labels[0]); max = Math.max(max, labels[labels.length - 1]); } if (timestamps.length) { timestamps = arrayUnique(timestamps).sort(sorter); min = Math.min(min, timestamps[0]); max = Math.max(max, timestamps[timestamps.length - 1]); } min = parse(timeOpts.min, me) || min; max = parse(timeOpts.max, me) || max; // In case there is no valid min/max, set limits based on unit time option min = min === MAX_INTEGER ? +moment().startOf(unit) : min; max = max === MIN_INTEGER ? +moment().endOf(unit) + 1 : max; // Make sure that max is strictly higher than min (required by the lookup table) me.min = Math.min(min, max); me.max = Math.max(min + 1, max); // PRIVATE me._horizontal = me.isHorizontal(); me._table = []; me._timestamps = { data: timestamps, datasets: datasets, labels: labels }; }, buildTicks: function() { var me = this; var min = me.min; var max = me.max; var options = me.options; var timeOpts = options.time; var timestamps = []; var ticks = []; var i, ilen, timestamp; switch (options.ticks.source) { case 'data': timestamps = me._timestamps.data; break; case 'labels': timestamps = me._timestamps.labels; break; case 'auto': default: timestamps = generate(min, max, me.getLabelCapacity(min), options); } if (options.bounds === 'ticks' && timestamps.length) { min = timestamps[0]; max = timestamps[timestamps.length - 1]; } // Enforce limits with user min/max options min = parse(timeOpts.min, me) || min; max = parse(timeOpts.max, me) || max; // Remove ticks outside the min/max range for (i = 0, ilen = timestamps.length; i < ilen; ++i) { timestamp = timestamps[i]; if (timestamp >= min && timestamp <= max) { ticks.push(timestamp); } } me.min = min; me.max = max; // PRIVATE me._unit = timeOpts.unit || determineUnitForFormatting(ticks, timeOpts.minUnit, me.min, me.max); me._majorUnit = determineMajorUnit(me._unit); me._table = buildLookupTable(me._timestamps.data, min, max, options.distribution); me._offsets = computeOffsets(me._table, ticks, min, max, options); me._labelFormat = determineLabelFormat(me._timestamps.data, timeOpts); return ticksFromTimestamps(ticks, me._majorUnit); }, getLabelForIndex: function(index, datasetIndex) { var me = this; var data = me.chart.data; var timeOpts = me.options.time; var label = data.labels && index < data.labels.length ? data.labels[index] : ''; var value = data.datasets[datasetIndex].data[index]; if (helpers.isObject(value)) { label = me.getRightValue(value); } if (timeOpts.tooltipFormat) { return momentify(label, timeOpts).format(timeOpts.tooltipFormat); } if (typeof label === 'string') { return label; } return momentify(label, timeOpts).format(me._labelFormat); }, /** * Function to format an individual tick mark * @private */ tickFormatFunction: function(tick, index, ticks, formatOverride) { var me = this; var options = me.options; var time = tick.valueOf(); var formats = options.time.displayFormats; var minorFormat = formats[me._unit]; var majorUnit = me._majorUnit; var majorFormat = formats[majorUnit]; var majorTime = tick.clone().startOf(majorUnit).valueOf(); var majorTickOpts = options.ticks.major; var major = majorTickOpts.enabled && majorUnit && majorFormat && time === majorTime; var label = tick.format(formatOverride ? formatOverride : major ? majorFormat : minorFormat); var tickOpts = major ? majorTickOpts : options.ticks.minor; var formatter = helpers.valueOrDefault(tickOpts.callback, tickOpts.userCallback); return formatter ? formatter(label, index, ticks) : label; }, convertTicksToLabels: function(ticks) { var labels = []; var i, ilen; for (i = 0, ilen = ticks.length; i < ilen; ++i) { labels.push(this.tickFormatFunction(moment(ticks[i].value), i, ticks)); } return labels; }, /** * @private */ getPixelForOffset: function(time) { var me = this; var size = me._horizontal ? me.width : me.height; var start = me._horizontal ? me.left : me.top; var pos = interpolate(me._table, 'time', time, 'pos'); return start + size * (me._offsets.left + pos) / (me._offsets.left + 1 + me._offsets.right); }, getPixelForValue: function(value, index, datasetIndex) { var me = this; var time = null; if (index !== undefined && datasetIndex !== undefined) { time = me._timestamps.datasets[datasetIndex][index]; } if (time === null) { time = parse(value, me); } if (time !== null) { return me.getPixelForOffset(time); } }, getPixelForTick: function(index) { var ticks = this.getTicks(); return index >= 0 && index < ticks.length ? this.getPixelForOffset(ticks[index].value) : null; }, getValueForPixel: function(pixel) { var me = this; var size = me._horizontal ? me.width : me.height; var start = me._horizontal ? me.left : me.top; var pos = (size ? (pixel - start) / size : 0) * (me._offsets.left + 1 + me._offsets.left) - me._offsets.right; var time = interpolate(me._table, 'pos', pos, 'time'); return moment(time); }, /** * Crude approximation of what the label width might be * @private */ getLabelWidth: function(label) { var me = this; var ticksOpts = me.options.ticks; var tickLabelWidth = me.ctx.measureText(label).width; var angle = helpers.toRadians(ticksOpts.maxRotation); var cosRotation = Math.cos(angle); var sinRotation = Math.sin(angle); var tickFontSize = helpers.valueOrDefault(ticksOpts.fontSize, defaults.global.defaultFontSize); return (tickLabelWidth * cosRotation) + (tickFontSize * sinRotation); }, /** * @private */ getLabelCapacity: function(exampleTime) { var me = this; var formatOverride = me.options.time.displayFormats.millisecond; // Pick the longest format for guestimation var exampleLabel = me.tickFormatFunction(moment(exampleTime), 0, [], formatOverride); var tickLabelWidth = me.getLabelWidth(exampleLabel); var innerWidth = me.isHorizontal() ? me.width : me.height; var capacity = Math.floor(innerWidth / tickLabelWidth); return capacity > 0 ? capacity : 1; } }); scaleService.registerScaleType('time', TimeScale, defaultConfig); }; },{"1":1,"26":26,"33":33,"34":34,"46":46}]},{},[7])(7) }); 'use strict'; var WOW; (function ($) { WOW = function WOW() { return { init: function init() { var animationName = []; var once = 1; function mdbWow() { var windowHeight = window.innerHeight; var scroll = window.scrollY; $('.wow').each(function () { if ($(this).css('visibility') == 'visible') { return; } if (windowHeight + scroll - 100 > getOffset(this) && scroll < getOffset(this) || windowHeight + scroll - 100 > getOffset(this) + $(this).height() && scroll < getOffset(this) + $(this).height() || windowHeight + scroll == $(document).height() && getOffset(this) + 100 > $(document).height()) { var index = $(this).index('.wow'); var delay = $(this).attr('data-wow-delay'); if (delay) { delay = $(this).attr('data-wow-delay').slice(0, -1 ); var self = this; var timeout = parseFloat(delay) * 1000; $(self).addClass('animated'); $(self).css({ 'visibility': 'visible' }); $(self).css({ 'animation-delay': delay }); $(self).css({ 'animation-name': animationName[index] }); var removeTime = $(this).css('animation-duration').slice(0, -1) * 1000; if ($(this).attr('data-wow-delay')) { removeTime += $(this).attr('data-wow-delay').slice(0, -1) * 1000; } var self = this; setTimeout(function () { $(self).removeClass('animated'); }, removeTime); } else { $(this).addClass('animated'); $(this).css({ 'visibility': 'visible' }); $(this).css({ 'animation-name': animationName[index] }); var removeTime = $(this).css('animation-duration').slice(0, -1) * 1000; var self = this; setTimeout(function () { $(self).removeClass('animated'); }, removeTime); } } }); } function appear() { $('.wow').each(function () { var index = $(this).index('.wow'); var delay = $(this).attr('data-wow-delay'); if (delay) { delay = $(this).attr('data-wow-delay').slice(0, -1); var timeout = parseFloat(delay) * 1000; $(this).addClass('animated'); $(this).css({ 'visibility': 'visible' }); $(this).css({ 'animation-delay': delay + 's' }); $(this).css({ 'animation-name': animationName[index] }); } else { $(this).addClass('animated'); $(this).css({ 'visibility': 'visible' }); $(this).css({ 'animation-name': animationName[index] }); } }); } function hide() { var windowHeight = window.innerHeight; var scroll = window.scrollY; $('.wow.animated').each(function () { if (windowHeight + scroll - 100 > getOffset(this) && scroll > getOffset(this) + 100 || windowHeight + scroll - 100 < getOffset(this) && scroll < getOffset(this) + 100 || getOffset(this) + $(this).height > $(document).height() - 100) { $(this).removeClass('animated'); $(this).css({ 'animation-name': 'none' }); $(this).css({ 'visibility': 'hidden' }); } else { var removeTime = $(this).css('animation-duration').slice(0, -1) * 1000; if ($(this).attr('data-wow-delay')) { removeTime += $(this).attr('data-wow-delay').slice(0, -1) * 1000; } var self = this; setTimeout(function () { $(self).removeClass('animated'); }, removeTime); } }); mdbWow(); once--; } function getOffset(elem) { var box = elem.getBoundingClientRect(); var body = document.body; var docEl = document.documentElement; var scrollTop = window.pageYOffset || docEl.scrollTop || body.scrollTop; var clientTop = docEl.clientTop || body.clientTop || 0; var top = box.top + scrollTop - clientTop; return Math.round(top); } $('.wow').each(function () { $(this).css({ 'visibility': 'hidden' }); animationName[$(this).index('.wow')] = $(this).css('animation-name'); $(this).css({ 'animation-name': 'none' }); }); $(window).scroll(function () { if (once) { hide(); } else { mdbWow(); } }); appear(); } }; }; })(jQuery); "use strict"; (function ($) { var SCROLLING_NAVBAR_OFFSET_TOP = 50; $(window).on('scroll', function () { var $navbar = $('.navbar'); if ($navbar.length) { if ($navbar.offset().top > SCROLLING_NAVBAR_OFFSET_TOP) { $('.scrolling-navbar').addClass('top-nav-collapse'); } else { $('.scrolling-navbar').removeClass('top-nav-collapse'); } } }); })(jQuery); /*! * Waves v0.7.6 * http://fian.my.id/Waves * * Copyright 2014-2018 Alfiana E. Sibuea and other contributors * Released under the MIT license * https://github.com/fians/Waves/blob/master/LICENSE */ ;(function(window, factory) { 'use strict'; // AMD. Register as an anonymous module. Wrap in function so we have access // to root via `this`. if (typeof define === 'function' && define.amd) { define([], function() { window.Waves = factory.call(window); return window.Waves; }); } // Node. Does not work with strict CommonJS, but only CommonJS-like // environments that support module.exports, like Node. else if (typeof exports === 'object') { module.exports = factory.call(window); } // Browser globals. else { window.Waves = factory.call(window); } })(typeof global === 'object' ? global : this, function() { 'use strict'; var Waves = Waves || {}; var $$ = document.querySelectorAll.bind(document); var toString = Object.prototype.toString; var isTouchAvailable = 'ontouchstart' in window; // Find exact position of element function isWindow(obj) { return obj !== null && obj === obj.window; } function getWindow(elem) { return isWindow(elem) ? elem : elem.nodeType === 9 && elem.defaultView; } function isObject(value) { var type = typeof value; return type === 'function' || type === 'object' && !!value; } function isDOMNode(obj) { return isObject(obj) && obj.nodeType > 0; } function getWavesElements(nodes) { var stringRepr = toString.call(nodes); if (stringRepr === '[object String]') { return $$(nodes); } else if (isObject(nodes) && /^\[object (Array|HTMLCollection|NodeList|Object)\]$/.test(stringRepr) && nodes.hasOwnProperty('length')) { return nodes; } else if (isDOMNode(nodes)) { return [nodes]; } return []; } function offset(elem) { var docElem, win, box = { top: 0, left: 0 }, doc = elem && elem.ownerDocument; docElem = doc.documentElement; if (typeof elem.getBoundingClientRect !== typeof undefined) { box = elem.getBoundingClientRect(); } win = getWindow(doc); return { top: box.top + win.pageYOffset - docElem.clientTop, left: box.left + win.pageXOffset - docElem.clientLeft }; } function convertStyle(styleObj) { var style = ''; for (var prop in styleObj) { if (styleObj.hasOwnProperty(prop)) { style += (prop + ':' + styleObj[prop] + ';'); } } return style; } var Effect = { // Effect duration duration: 750, // Effect delay (check for scroll before showing effect) delay: 200, show: function(e, element, velocity) { // Disable right click if (e.button === 2) { return false; } element = element || this; // Create ripple var ripple = document.createElement('div'); ripple.className = 'waves-ripple waves-rippling'; element.appendChild(ripple); // Get click coordinate and element width var pos = offset(element); var relativeY = 0; var relativeX = 0; // Support for touch devices if('touches' in e && e.touches.length) { relativeY = (e.touches[0].pageY - pos.top); relativeX = (e.touches[0].pageX - pos.left); } //Normal case else { relativeY = (e.pageY - pos.top); relativeX = (e.pageX - pos.left); } // Support for synthetic events relativeX = relativeX >= 0 ? relativeX : 0; relativeY = relativeY >= 0 ? relativeY : 0; var scale = 'scale(' + ((element.clientWidth / 100) * 3) + ')'; var translate = 'translate(0,0)'; if (velocity) { translate = 'translate(' + (velocity.x) + 'px, ' + (velocity.y) + 'px)'; } // Attach data to element ripple.setAttribute('data-hold', Date.now()); ripple.setAttribute('data-x', relativeX); ripple.setAttribute('data-y', relativeY); ripple.setAttribute('data-scale', scale); ripple.setAttribute('data-translate', translate); // Set ripple position var rippleStyle = { top: relativeY + 'px', left: relativeX + 'px' }; ripple.classList.add('waves-notransition'); ripple.setAttribute('style', convertStyle(rippleStyle)); ripple.classList.remove('waves-notransition'); // Scale the ripple rippleStyle['-webkit-transform'] = scale + ' ' + translate; rippleStyle['-moz-transform'] = scale + ' ' + translate; rippleStyle['-ms-transform'] = scale + ' ' + translate; rippleStyle['-o-transform'] = scale + ' ' + translate; rippleStyle.transform = scale + ' ' + translate; rippleStyle.opacity = '1'; var duration = e.type === 'mousemove' ? 2500 : Effect.duration; rippleStyle['-webkit-transition-duration'] = duration + 'ms'; rippleStyle['-moz-transition-duration'] = duration + 'ms'; rippleStyle['-o-transition-duration'] = duration + 'ms'; rippleStyle['transition-duration'] = duration + 'ms'; ripple.setAttribute('style', convertStyle(rippleStyle)); }, hide: function(e, element) { element = element || this; var ripples = element.getElementsByClassName('waves-rippling'); for (var i = 0, len = ripples.length; i < len; i++) { removeRipple(e, element, ripples[i]); } if (isTouchAvailable) { element.removeEventListener('touchend', Effect.hide); element.removeEventListener('touchcancel', Effect.hide); } element.removeEventListener('mouseup', Effect.hide); element.removeEventListener('mouseleave', Effect.hide); } }; /** * Collection of wrapper for HTML element that only have single tag * like <input> and <img> */ var TagWrapper = { // Wrap <input> tag so it can perform the effect input: function(element) { var parent = element.parentNode; // If input already have parent just pass through if (parent.tagName.toLowerCase() === 'span' && parent.classList.contains('waves-effect')) { return; } // Put element class and style to the specified parent var wrapper = document.createElement('span'); wrapper.className = 'waves-input-wrapper'; // element.className = 'waves-button-input'; // Put element as child parent.replaceChild(wrapper, element); wrapper.appendChild(element); }, // Wrap <img> tag so it can perform the effect img: function(element) { var parent = element.parentNode; // If input already have parent just pass through if (parent.tagName.toLowerCase() === 'i' && parent.classList.contains('waves-effect')) { return; } // Put element as child var wrapper = document.createElement('i'); parent.replaceChild(wrapper, element); wrapper.appendChild(element); } }; /** * Hide the effect and remove the ripple. Must be * a separate function to pass the JSLint... */ function removeRipple(e, el, ripple) { // Check if the ripple still exist if (!ripple) { return; } ripple.classList.remove('waves-rippling'); var relativeX = ripple.getAttribute('data-x'); var relativeY = ripple.getAttribute('data-y'); var scale = ripple.getAttribute('data-scale'); var translate = ripple.getAttribute('data-translate'); // Get delay beetween mousedown and mouse leave var diff = Date.now() - Number(ripple.getAttribute('data-hold')); var delay = 350 - diff; if (delay < 0) { delay = 0; } if (e.type === 'mousemove') { delay = 150; } // Fade out ripple after delay var duration = e.type === 'mousemove' ? 2500 : Effect.duration; setTimeout(function() { var style = { top: relativeY + 'px', left: relativeX + 'px', opacity: '0', // Duration '-webkit-transition-duration': duration + 'ms', '-moz-transition-duration': duration + 'ms', '-o-transition-duration': duration + 'ms', 'transition-duration': duration + 'ms', '-webkit-transform': scale + ' ' + translate, '-moz-transform': scale + ' ' + translate, '-ms-transform': scale + ' ' + translate, '-o-transform': scale + ' ' + translate, 'transform': scale + ' ' + translate }; ripple.setAttribute('style', convertStyle(style)); setTimeout(function() { try { el.removeChild(ripple); } catch (e) { return false; } }, duration); }, delay); } /** * Disable mousedown event for 500ms during and after touch */ var TouchHandler = { /* uses an integer rather than bool so there's no issues with * needing to clear timeouts if another touch event occurred * within the 500ms. Cannot mouseup between touchstart and * touchend, nor in the 500ms after touchend. */ touches: 0, allowEvent: function(e) { var allow = true; if (/^(mousedown|mousemove)$/.test(e.type) && TouchHandler.touches) { allow = false; } return allow; }, registerEvent: function(e) { var eType = e.type; if (eType === 'touchstart') { TouchHandler.touches += 1; // push } else if (/^(touchend|touchcancel)$/.test(eType)) { setTimeout(function() { if (TouchHandler.touches) { TouchHandler.touches -= 1; // pop after 500ms } }, 500); } } }; /** * Delegated click handler for .waves-effect element. * returns null when .waves-effect element not in "click tree" */ function getWavesEffectElement(e) { if (TouchHandler.allowEvent(e) === false) { return null; } var element = null; var target = e.target || e.srcElement; while (target.parentElement) { if ( (!(target instanceof SVGElement)) && target.classList.contains('waves-effect')) { element = target; break; } target = target.parentElement; } return element; } /** * Bubble the click and show effect if .waves-effect elem was found */ function showEffect(e) { // Disable effect if element has "disabled" property on it // In some cases, the event is not triggered by the current element // if (e.target.getAttribute('disabled') !== null) { // return; // } var element = getWavesEffectElement(e); if (element !== null) { // Make it sure the element has either disabled property, disabled attribute or 'disabled' class if (element.disabled || element.getAttribute('disabled') || element.classList.contains('disabled')) { return; } TouchHandler.registerEvent(e); if (e.type === 'touchstart' && Effect.delay) { var hidden = false; var timer = setTimeout(function () { timer = null; Effect.show(e, element); }, Effect.delay); var hideEffect = function(hideEvent) { // if touch hasn't moved, and effect not yet started: start effect now if (timer) { clearTimeout(timer); timer = null; Effect.show(e, element); } if (!hidden) { hidden = true; Effect.hide(hideEvent, element); } removeListeners(); }; var touchMove = function(moveEvent) { if (timer) { clearTimeout(timer); timer = null; } hideEffect(moveEvent); removeListeners(); }; element.addEventListener('touchmove', touchMove, false); element.addEventListener('touchend', hideEffect, false); element.addEventListener('touchcancel', hideEffect, false); var removeListeners = function() { element.removeEventListener('touchmove', touchMove); element.removeEventListener('touchend', hideEffect); element.removeEventListener('touchcancel', hideEffect); }; } else { Effect.show(e, element); if (isTouchAvailable) { element.addEventListener('touchend', Effect.hide, false); element.addEventListener('touchcancel', Effect.hide, false); } element.addEventListener('mouseup', Effect.hide, false); element.addEventListener('mouseleave', Effect.hide, false); } } } Waves.init = function(options) { var body = document.body; options = options || {}; if ('duration' in options) { Effect.duration = options.duration; } if ('delay' in options) { Effect.delay = options.delay; } if (isTouchAvailable) { body.addEventListener('touchstart', showEffect, false); body.addEventListener('touchcancel', TouchHandler.registerEvent, false); body.addEventListener('touchend', TouchHandler.registerEvent, false); } body.addEventListener('mousedown', showEffect, false); }; /** * Attach Waves to dynamically loaded inputs, or add .waves-effect and other * waves classes to a set of elements. Set drag to true if the ripple mouseover * or skimming effect should be applied to the elements. */ Waves.attach = function(elements, classes) { elements = getWavesElements(elements); if (toString.call(classes) === '[object Array]') { classes = classes.join(' '); } classes = classes ? ' ' + classes : ''; var element, tagName; for (var i = 0, len = elements.length; i < len; i++) { element = elements[i]; tagName = element.tagName.toLowerCase(); if (['input', 'img'].indexOf(tagName) !== -1) { TagWrapper[tagName](element); element = element.parentElement; } if (element.className.indexOf('waves-effect') === -1) { element.className += ' waves-effect' + classes; } } }; /** * Cause a ripple to appear in an element via code. */ Waves.ripple = function(elements, options) { elements = getWavesElements(elements); var elementsLen = elements.length; options = options || {}; options.wait = options.wait || 0; options.position = options.position || null; // default = centre of element if (elementsLen) { var element, pos, off, centre = {}, i = 0; var mousedown = { type: 'mousedown', button: 1 }; var hideRipple = function(mouseup, element) { return function() { Effect.hide(mouseup, element); }; }; for (; i < elementsLen; i++) { element = elements[i]; pos = options.position || { x: element.clientWidth / 2, y: element.clientHeight / 2 }; off = offset(element); centre.x = off.left + pos.x; centre.y = off.top + pos.y; mousedown.pageX = centre.x; mousedown.pageY = centre.y; Effect.show(mousedown, element); if (options.wait >= 0 && options.wait !== null) { var mouseup = { type: 'mouseup', button: 1 }; setTimeout(hideRipple(mouseup, element), options.wait); } } } }; /** * Remove all ripples from an element. */ Waves.calm = function(elements) { elements = getWavesElements(elements); var mouseup = { type: 'mouseup', button: 1 }; for (var i = 0, len = elements.length; i < len; i++) { Effect.hide(mouseup, elements[i]); } }; /** * Deprecated API fallback */ Waves.displayEffect = function(options) { console.error('Waves.displayEffect() has been deprecated and will be removed in future version. Please use Waves.init() to initialize Waves effect'); Waves.init(options); }; return Waves; }); //Initialization Waves.attach('.btn:not(.btn-flat), .btn-floating', ['waves-light']); Waves.attach('.btn-flat', ['waves-effect']); Waves.attach('.chip', ['waves-effect']); Waves.attach('.view a .mask', ['waves-light']); Waves.attach('.waves-light', ['waves-light']); Waves.attach('.navbar-nav a:not(.navbar-brand), .nav-icons li a, .nav-tabs .nav-item:not(.dropdown)', ['waves-light']); Waves.attach('.pager li a', ['waves-light']); Waves.attach('.pagination .page-item .page-link', ['waves-effect']); Waves.init(); "use strict"; var _this = void 0; (function ($) { var inputSelector = "".concat(['text', 'password', 'email', 'url', 'tel', 'number', 'search', 'search-md'].map(function (selector) { return "input[type=".concat(selector, "]"); }).join(', '), ", textarea"); var textAreaSelector = '.materialize-textarea'; var updateTextFields = function updateTextFields($input) { var $labelAndIcon = $input.siblings('label, i'); var hasValue = $input.val().length; var hasPlaceholder = $input.attr('placeholder'); var addOrRemove = "".concat(hasValue || hasPlaceholder ? 'add' : 'remove', "Class"); $labelAndIcon[addOrRemove]('active'); }; var validateField = function validateField($input) { if ($input.hasClass('validate')) { var value = $input.val(); var noValue = !value.length; var isValid = !$input[0].validity.badInput; if (noValue && isValid) { $input.removeClass('valid').removeClass('invalid'); } else { var valid = $input.is(':valid'); var length = Number($input.attr('length')) || 0; if (valid && (!length || length > value.length)) { $input.removeClass('invalid').addClass('valid'); } else { $input.removeClass('valid').addClass('invalid'); } } } }; var textAreaAutoResize = function textAreaAutoResize() { var $textarea = $(_this); if ($textarea.val().length) { var $hiddenDiv = $('.hiddendiv'); var fontFamily = $textarea.css('font-family'); var fontSize = $textarea.css('font-size'); if (fontSize) { $hiddenDiv.css('font-size', fontSize); } if (fontFamily) { $hiddenDiv.css('font-family', fontFamily); } if ($textarea.attr('wrap') === 'off') { $hiddenDiv.css('overflow-wrap', 'normal').css('white-space', 'pre'); } $hiddenDiv.text("".concat($textarea.val(), "\n")); var content = $hiddenDiv.html().replace(/\n/g, '<br>'); $hiddenDiv.html(content); // When textarea is hidden, width goes crazy. // Approximate with half of window size $hiddenDiv.css('width', $textarea.is(':visible') ? $textarea.width() : $(window).width() / 2); $textarea.css('height', $hiddenDiv.height()); } }; $(inputSelector).each(function (index, input) { var $this = $(input); var $labelAndIcon = $this.siblings('label, i'); updateTextFields($this); var isValid = input.validity.badInput; if (isValid) { $labelAndIcon.addClass('active'); } }); $(document).on('focus', inputSelector, function (e) { $(e.target).siblings('label, i').addClass('active'); }); $(document).on('blur', inputSelector, function (e) { var $this = $(e.target); var noValue = !$this.val(); var invalid = !e.target.validity.badInput; var noPlaceholder = $this.attr('placeholder') === undefined; if (noValue && invalid && noPlaceholder) { $this.siblings('label, i').removeClass('active'); } validateField($this); }); $(document).on('change', inputSelector, function (e) { var $this = $(e.target); updateTextFields($this); validateField($this); }); $('input[autofocus]').siblings('label, i').addClass('active'); $(document).on('reset', function (e) { var $formReset = $(e.target); if ($formReset.is('form')) { var $formInputs = $formReset.find(inputSelector); $formInputs.removeClass('valid').removeClass('invalid').each(function (index, input) { var $this = $(input); var noDefaultValue = !$this.val(); var noPlaceholder = !$this.attr('placeholder'); if (noDefaultValue && noPlaceholder) { $this.siblings('label, i').removeClass('active'); } }); $formReset.find('select.initialized').each(function (index, select) { var $select = $(select); var $visibleInput = $select.siblings('input.select-dropdown'); var defaultValue = $select.children('[selected]').val(); $select.val(defaultValue); $visibleInput.val(defaultValue); }); } }); function init() { var $text = $('.md-textarea-auto'); if ($text.length) { var observe; if (window.attachEvent) { observe = function observe(element, event, handler) { element.attachEvent("on".concat(event), handler); }; } else { observe = function observe(element, event, handler) { element.addEventListener(event, handler, false); }; } $text.each(function () { var self = this; function resize() { self.style.height = 'auto'; self.style.height = "".concat(self.scrollHeight, "px"); } function delayedResize() { window.setTimeout(resize, 0); } observe(self, 'change', resize); observe(self, 'cut', delayedResize); observe(self, 'paste', delayedResize); observe(self, 'drop', delayedResize); observe(self, 'keydown', delayedResize); resize(); }); } } init(); var $body = $('body'); if (!$('.hiddendiv').first().length) { var $hiddenDiv = $('<div class="hiddendiv common"></div>'); $body.append($hiddenDiv); } $(textAreaSelector).each(textAreaAutoResize); $body.on('keyup keydown', textAreaSelector, textAreaAutoResize); })(jQuery); /* Enhanced Bootstrap Modals https://mdbootstrap.com office@mdbootstrap.com */ (function($){ $('body').on('shown.bs.modal', '.modal', function() { if(!$('.modal-backdrop').length) { $modal_dialog = $(this).children('.modal-dialog') if($modal_dialog.hasClass('modal-side')) { $(this).addClass('modal-scrolling'); $('body').addClass('scrollable'); } if($modal_dialog.hasClass('modal-frame')) { $(this).addClass('modal-content-clickable'); $('body').addClass('scrollable'); } } }); $('body').on('hidden.bs.modal', '.modal', function() { $('body').removeClass('scrollable'); }); })(jQuery); "use strict"; var toggler = document.getElementsByClassName("rotate"); var i; for (i = 0; i < toggler.length; i++) { toggler[i].addEventListener("click", function () { this.parentElement.querySelector(".nested").classList.toggle("active"); this.classList.toggle("down"); }); } /*! * bsCustomFileInput v1.3.2 (https://github.com/Johann-S/bs-custom-file-input) * Copyright 2018 - 2019 Johann-S <johann.servoire@gmail.com> * Licensed under MIT (https://github.com/Johann-S/bs-custom-file-input/blob/master/LICENSE) */ (function (global, factory) { typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : typeof define === 'function' && define.amd ? define(factory) : (global = global || self, global.bsCustomFileInput = factory()); }(this, function () { 'use strict'; var Selector = { CUSTOMFILE: '.custom-file input[type="file"]', CUSTOMFILELABEL: '.custom-file-label', FORM: 'form', INPUT: 'input' }; var textNodeType = 3; var getDefaultText = function getDefaultText(input) { var defaultText = ''; var label = input.parentNode.querySelector(Selector.CUSTOMFILELABEL); if (label) { defaultText = label.innerHTML; } return defaultText; }; var findFirstChildNode = function findFirstChildNode(element) { if (element.childNodes.length > 0) { var childNodes = [].slice.call(element.childNodes); for (var i = 0; i < childNodes.length; i++) { var node = childNodes[i]; if (node.nodeType !== textNodeType) { return node; } } } return element; }; var restoreDefaultText = function restoreDefaultText(input) { var defaultText = input.bsCustomFileInput.defaultText; var label = input.parentNode.querySelector(Selector.CUSTOMFILELABEL); if (label) { var element = findFirstChildNode(label); element.innerHTML = defaultText; } }; var fileApi = !!window.File; var FAKE_PATH = 'fakepath'; var FAKE_PATH_SEPARATOR = '\\'; var getSelectedFiles = function getSelectedFiles(input) { if (input.hasAttribute('multiple') && fileApi) { return [].slice.call(input.files).map(function (file) { return file.name; }).join(', '); } if (input.value.indexOf(FAKE_PATH) !== -1) { var splittedValue = input.value.split(FAKE_PATH_SEPARATOR); return splittedValue[splittedValue.length - 1]; } return input.value; }; function handleInputChange() { var label = this.parentNode.querySelector(Selector.CUSTOMFILELABEL); if (label) { var element = findFirstChildNode(label); var inputValue = getSelectedFiles(this); if (inputValue.length) { element.innerHTML = inputValue; } else { restoreDefaultText(this); } } } function handleFormReset() { var customFileList = [].slice.call(this.querySelectorAll(Selector.INPUT)).filter(function (input) { return !!input.bsCustomFileInput; }); for (var i = 0, len = customFileList.length; i < len; i++) { restoreDefaultText(customFileList[i]); } } var customProperty = 'bsCustomFileInput'; var Event = { FORMRESET: 'reset', INPUTCHANGE: 'change' }; var bsCustomFileInput = { init: function init(inputSelector, formSelector) { if (inputSelector === void 0) { inputSelector = Selector.CUSTOMFILE; } if (formSelector === void 0) { formSelector = Selector.FORM; } var customFileInputList = [].slice.call(document.querySelectorAll(inputSelector)); var formList = [].slice.call(document.querySelectorAll(formSelector)); for (var i = 0, len = customFileInputList.length; i < len; i++) { var input = customFileInputList[i]; Object.defineProperty(input, customProperty, { value: { defaultText: getDefaultText(input) }, writable: true }); handleInputChange.call(input); input.addEventListener(Event.INPUTCHANGE, handleInputChange); } for (var _i = 0, _len = formList.length; _i < _len; _i++) { formList[_i].addEventListener(Event.FORMRESET, handleFormReset); Object.defineProperty(formList[_i], customProperty, { value: true, writable: true }); } }, destroy: function destroy() { var formList = [].slice.call(document.querySelectorAll(Selector.FORM)).filter(function (form) { return !!form.bsCustomFileInput; }); var customFileInputList = [].slice.call(document.querySelectorAll(Selector.INPUT)).filter(function (input) { return !!input.bsCustomFileInput; }); for (var i = 0, len = customFileInputList.length; i < len; i++) { var input = customFileInputList[i]; restoreDefaultText(input); input[customProperty] = undefined; input.removeEventListener(Event.INPUTCHANGE, handleInputChange); } for (var _i2 = 0, _len2 = formList.length; _i2 < _len2; _i2++) { formList[_i2].removeEventListener(Event.FORMRESET, handleFormReset); formList[_i2][customProperty] = undefined; } } }; return bsCustomFileInput; })); //# sourceMappingURL=bs-custom-file-input.js.map document.addEventListener("DOMContentLoaded", function () { bsCustomFileInput.init() });
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