148 lines
3.2 KiB
JavaScript
148 lines
3.2 KiB
JavaScript
'use strict';
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window.chartColors = {
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red: 'rgb(255, 99, 132)',
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orange: 'rgb(255, 159, 64)',
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yellow: 'rgb(255, 205, 86)',
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green: 'rgb(75, 192, 192)',
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blue: 'rgb(54, 162, 235)',
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purple: 'rgb(153, 102, 255)',
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grey: 'rgb(201, 203, 207)'
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};
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(function(global) {
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var Months = [
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'January',
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'February',
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'March',
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'April',
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'May',
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'June',
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'July',
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'August',
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'September',
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'October',
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'November',
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'December'
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];
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var COLORS = [
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'#4dc9f6',
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'#f67019',
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'#f53794',
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'#537bc4',
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'#acc236',
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'#166a8f',
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'#00a950',
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'#58595b',
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'#8549ba'
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];
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var Samples = global.Samples || (global.Samples = {});
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var Color = global.Color;
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Samples.utils = {
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// Adapted from http://indiegamr.com/generate-repeatable-random-numbers-in-js/
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srand: function(seed) {
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this._seed = seed;
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},
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rand: function(min, max) {
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var seed = this._seed;
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min = min === undefined ? 0 : min;
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max = max === undefined ? 1 : max;
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this._seed = (seed * 9301 + 49297) % 233280;
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return min + (this._seed / 233280) * (max - min);
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},
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numbers: function(config) {
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var cfg = config || {};
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var min = cfg.min || 0;
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var max = cfg.max || 1;
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var from = cfg.from || [];
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var count = cfg.count || 8;
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var decimals = cfg.decimals || 8;
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var continuity = cfg.continuity || 1;
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var dfactor = Math.pow(10, decimals) || 0;
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var data = [];
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var i, value;
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for (i = 0; i < count; ++i) {
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value = (from[i] || 0) + this.rand(min, max);
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if (this.rand() <= continuity) {
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data.push(Math.round(dfactor * value) / dfactor);
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} else {
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data.push(null);
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}
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}
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return data;
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},
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labels: function(config) {
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var cfg = config || {};
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var min = cfg.min || 0;
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var max = cfg.max || 100;
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var count = cfg.count || 8;
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var step = (max - min) / count;
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var decimals = cfg.decimals || 8;
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var dfactor = Math.pow(10, decimals) || 0;
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var prefix = cfg.prefix || '';
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var values = [];
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var i;
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for (i = min; i < max; i += step) {
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values.push(prefix + Math.round(dfactor * i) / dfactor);
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}
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return values;
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},
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months: function(config) {
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var cfg = config || {};
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var count = cfg.count || 12;
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var section = cfg.section;
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var values = [];
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var i, value;
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for (i = 0; i < count; ++i) {
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value = Months[Math.ceil(i) % 12];
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values.push(value.substring(0, section));
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}
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return values;
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},
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color: function(index) {
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return COLORS[index % COLORS.length];
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},
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transparentize: function(color, opacity) {
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var alpha = opacity === undefined ? 0.5 : 1 - opacity;
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return Color(color).alpha(alpha).rgbString();
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}
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};
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// DEPRECATED
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window.randomScalingFactor = function() {
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return Math.round(Samples.utils.rand(-100, 100));
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};
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// INITIALIZATION
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Samples.utils.srand(Date.now());
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// Google Analytics
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/* eslint-disable */
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if (document.location.hostname.match(/^(www\.)?chartjs\.org$/)) {
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(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
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(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
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m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
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})(window,document,'script','//www.google-analytics.com/analytics.js','ga');
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ga('create', 'UA-28909194-3', 'auto');
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ga('send', 'pageview');
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}
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/* eslint-enable */
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}(this));
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