mirror of
https://github.com/chartjs/Chart.js.git
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b22f569e4d
Conflicts: samples/line-scale-override.html samples/line-x-axis-filter.html samples/line.html src/controllers/controller.bar.js src/core/core.controller.js src/scales/scale.category.js
5848 lines
244 KiB
JavaScript
5848 lines
244 KiB
JavaScript
/*!
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* Chart.js
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* http://chartjs.org/
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* Version: 2.0.0-alpha
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*
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* Copyright 2015 Nick Downie
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* Released under the MIT license
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* https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
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*/
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(function() {
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"use strict";
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//Declare root variable - window in the browser, global on the server
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var root = this,
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previous = root.Chart;
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//Occupy the global variable of Chart, and create a simple base class
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var Chart = function(context, config) {
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this.config = config;
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// Support a jQuery'd canvas element
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if (context.length && context[0].getContext) {
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context = context[0];
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}
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// Support a canvas domnode
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if (context.getContext) {
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context = context.getContext("2d");
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}
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this.ctx = context;
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this.canvas = context.canvas;
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// Figure out what the size of the chart will be.
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// If the canvas has a specified width and height, we use those else
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// we look to see if the canvas node has a CSS width and height.
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// If there is still no height, fill the parent container
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this.width = context.canvas.width || parseInt(Chart.helpers.getStyle(context.canvas, 'width')) || Chart.helpers.getMaximumWidth(context.canvas);
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this.height = context.canvas.height || parseInt(Chart.helpers.getStyle(context.canvas, 'height')) || Chart.helpers.getMaximumHeight(context.canvas);
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this.aspectRatio = this.width / this.height;
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if (isNaN(this.aspectRatio) || isFinite(this.aspectRatio) === false) {
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// If the canvas has no size, try and figure out what the aspect ratio will be.
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// Some charts prefer square canvases (pie, radar, etc). If that is specified, use that
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// else use the canvas default ratio of 2
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this.aspectRatio = config.aspectRatio !== undefined ? config.aspectRatio : 2;
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}
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// Store the original style of the element so we can set it back
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this.originalCanvasStyleWidth = context.canvas.style.width;
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this.originalCanvasStyleHeight = context.canvas.style.height;
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// High pixel density displays - multiply the size of the canvas height/width by the device pixel ratio, then scale.
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Chart.helpers.retinaScale(this);
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// Always bind this so that if the responsive state changes we still work
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var _this = this;
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Chart.helpers.addResizeListener(context.canvas.parentNode, function() {
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if (config.options.responsive) {
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_this.controller.resize();
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}
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});
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if (config) {
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this.controller = new Chart.Controller(this);
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return this.controller;
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}
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return this;
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};
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//Globally expose the defaults to allow for user updating/changing
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Chart.defaults = {
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global: {
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responsive: true,
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responsiveAnimationDuration: 0,
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maintainAspectRatio: true,
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events: ["mousemove", "mouseout", "click", "touchstart", "touchmove", "touchend"],
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hover: {
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onHover: null,
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mode: 'single',
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animationDuration: 400,
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},
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onClick: null,
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defaultColor: 'rgba(0,0,0,0.1)',
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// Element defaults defined in element extensions
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elements: {},
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// Legend template string
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legendTemplate: "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i = 0; i < data.datasets.length; i++){%><li><span style=\"background-color:<%=data.datasets[i].backgroundColor%>\"><%if(data.datasets[i].label){%><%=data.datasets[i].label%><%}%></span></li><%}%></ul>",
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},
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};
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if (typeof amd !== 'undefined') {
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define(function() {
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return Chart;
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});
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} else if (typeof module === 'object' && module.exports) {
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module.exports = Chart;
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}
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root.Chart = Chart;
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Chart.noConflict = function() {
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root.Chart = previous;
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return Chart;
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};
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}).call(this);
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(function() {
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"use strict";
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//Declare root variable - window in the browser, global on the server
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var root = this,
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previous = root.Chart;
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//Global Chart helpers object for utility methods and classes
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var helpers = Chart.helpers = {};
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//-- Basic js utility methods
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var each = helpers.each = function(loopable, callback, self, reverse) {
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var additionalArgs = Array.prototype.slice.call(arguments, 3);
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// Check to see if null or undefined firstly.
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if (loopable) {
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if (loopable.length === +loopable.length) {
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var i;
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if (reverse) {
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for (i = loopable.length - 1; i >= 0; i--) {
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callback.apply(self, [loopable[i], i].concat(additionalArgs));
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}
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} else {
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for (i = 0; i < loopable.length; i++) {
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callback.apply(self, [loopable[i], i].concat(additionalArgs));
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}
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}
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} else {
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for (var item in loopable) {
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callback.apply(self, [loopable[item], item].concat(additionalArgs));
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}
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}
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}
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},
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clone = helpers.clone = function(obj) {
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var objClone = {};
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each(obj, function(value, key) {
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if (obj.hasOwnProperty(key)) {
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if (helpers.isArray(value)) {
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objClone[key] = value.slice(0);
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} else if (typeof value === 'object' && value !== null) {
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objClone[key] = clone(value);
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} else {
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objClone[key] = value;
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}
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}
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});
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return objClone;
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},
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extend = helpers.extend = function(base) {
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each(Array.prototype.slice.call(arguments, 1), function(extensionObject) {
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each(extensionObject, function(value, key) {
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if (extensionObject.hasOwnProperty(key)) {
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base[key] = value;
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}
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});
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});
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return base;
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},
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// Need a special merge function to chart configs since they are now grouped
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configMerge = helpers.configMerge = function(_base) {
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var base = clone(_base);
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helpers.each(Array.prototype.slice.call(arguments, 1), function(extension) {
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helpers.each(extension, function(value, key) {
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if (extension.hasOwnProperty(key)) {
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if (key === 'scales') {
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// Scale config merging is complex. Add out own function here for that
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base[key] = helpers.scaleMerge(base.hasOwnProperty(key) ? base[key] : {}, value);
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} else if (key === 'scale') {
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// Used in polar area & radar charts since there is only one scale
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base[key] = helpers.configMerge(base.hasOwnProperty(key) ? base[key] : {}, Chart.scaleService.getScaleDefaults(value.type), value);
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} else if (base.hasOwnProperty(key) && helpers.isArray(base[key]) && helpers.isArray(value)) {
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// In this case we have an array of objects replacing another array. Rather than doing a strict replace,
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// merge. This allows easy scale option merging
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var baseArray = base[key];
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helpers.each(value, function(valueObj, index) {
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if (index < baseArray.length) {
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if (typeof baseArray[index] == 'object' && baseArray[index] !== null && typeof valueObj == 'object' && valueObj !== null) {
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// Two objects are coming together. Do a merge of them.
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baseArray[index] = helpers.configMerge(baseArray[index], valueObj);
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} else {
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// Just overwrite in this case since there is nothing to merge
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baseArray[index] = valueObj;
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}
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} else {
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baseArray.push(valueObj); // nothing to merge
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}
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});
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} else if (base.hasOwnProperty(key) && typeof base[key] == "object" && base[key] !== null && typeof value == "object") {
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// If we are overwriting an object with an object, do a merge of the properties.
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base[key] = helpers.configMerge(base[key], value);
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} else {
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// can just overwrite the value in this case
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base[key] = value;
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}
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}
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});
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});
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return base;
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},
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extendDeep = helpers.extendDeep = function(_base) {
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return _extendDeep.apply(this, arguments);
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function _extendDeep(dst) {
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helpers.each(arguments, function(obj) {
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if (obj !== dst) {
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helpers.each(obj, function(value, key) {
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if (dst[key] && dst[key].constructor && dst[key].constructor === Object) {
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_extendDeep(dst[key], value);
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} else {
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dst[key] = value;
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}
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});
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}
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});
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return dst;
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}
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},
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scaleMerge = helpers.scaleMerge = function(_base, extension) {
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var base = clone(_base);
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helpers.each(extension, function(value, key) {
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if (extension.hasOwnProperty(key)) {
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if (key === 'xAxes' || key === 'yAxes') {
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// These properties are arrays of items
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if (base.hasOwnProperty(key)) {
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helpers.each(value, function(valueObj, index) {
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if (index >= base[key].length || !base[key][index].type) {
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base[key].push(helpers.configMerge(valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj));
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} else if (valueObj.type !== base[key][index].type) {
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// Type changed. Bring in the new defaults before we bring in valueObj so that valueObj can override the correct scale defaults
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base[key][index] = helpers.configMerge(base[key][index], valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj)
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} else {
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// Type is the same
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base[key][index] = helpers.configMerge(base[key][index], valueObj);
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}
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});
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} else {
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base[key] = [];
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helpers.each(value, function(valueObj) {
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base[key].push(helpers.configMerge(valueObj.type ? Chart.scaleService.getScaleDefaults(valueObj.type) : {}, valueObj));
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});
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}
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} else if (base.hasOwnProperty(key) && typeof base[key] == "object" && base[key] !== null && typeof value == "object") {
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// If we are overwriting an object with an object, do a merge of the properties.
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base[key] = helpers.configMerge(base[key], value);
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} else {
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// can just overwrite the value in this case
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base[key] = value;
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}
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}
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});
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return base;
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},
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getValueAtIndexOrDefault = helpers.getValueAtIndexOrDefault = function(value, index, defaultValue) {
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if (value === undefined || value === null) {
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return defaultValue;
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}
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if (helpers.isArray(value)) {
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return index < value.length ? value[index] : defaultValue;
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}
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return value;
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},
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indexOf = helpers.indexOf = function(arrayToSearch, item) {
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if (Array.prototype.indexOf) {
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return arrayToSearch.indexOf(item);
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} else {
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for (var i = 0; i < arrayToSearch.length; i++) {
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if (arrayToSearch[i] === item) return i;
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}
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return -1;
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}
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},
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where = helpers.where = function(collection, filterCallback) {
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var filtered = [];
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helpers.each(collection, function(item) {
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if (filterCallback(item)) {
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filtered.push(item);
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}
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});
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return filtered;
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},
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findNextWhere = helpers.findNextWhere = function(arrayToSearch, filterCallback, startIndex) {
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// Default to start of the array
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if (startIndex === undefined || startIndex === null) {
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startIndex = -1;
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}
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for (var i = startIndex + 1; i < arrayToSearch.length; i++) {
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var currentItem = arrayToSearch[i];
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if (filterCallback(currentItem)) {
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return currentItem;
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}
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}
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},
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findPreviousWhere = helpers.findPreviousWhere = function(arrayToSearch, filterCallback, startIndex) {
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// Default to end of the array
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if (startIndex === undefined || startIndex === null) {
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startIndex = arrayToSearch.length;
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}
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for (var i = startIndex - 1; i >= 0; i--) {
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var currentItem = arrayToSearch[i];
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if (filterCallback(currentItem)) {
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return currentItem;
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}
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}
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},
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inherits = helpers.inherits = function(extensions) {
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//Basic javascript inheritance based on the model created in Backbone.js
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var parent = this;
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var ChartElement = (extensions && extensions.hasOwnProperty("constructor")) ? extensions.constructor : function() {
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return parent.apply(this, arguments);
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};
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var Surrogate = function() {
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this.constructor = ChartElement;
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};
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Surrogate.prototype = parent.prototype;
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ChartElement.prototype = new Surrogate();
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ChartElement.extend = inherits;
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if (extensions) extend(ChartElement.prototype, extensions);
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ChartElement.__super__ = parent.prototype;
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return ChartElement;
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},
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noop = helpers.noop = function() {},
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uid = helpers.uid = (function() {
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var id = 0;
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return function() {
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return "chart-" + id++;
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};
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})(),
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warn = helpers.warn = function(str) {
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//Method for warning of errors
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if (window.console && typeof window.console.warn === "function") console.warn(str);
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},
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amd = helpers.amd = (typeof define === 'function' && define.amd),
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//-- Math methods
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isNumber = helpers.isNumber = function(n) {
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return !isNaN(parseFloat(n)) && isFinite(n);
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},
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max = helpers.max = function(array) {
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return Math.max.apply(Math, array);
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},
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min = helpers.min = function(array) {
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return Math.min.apply(Math, array);
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},
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sign = helpers.sign = function(x) {
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if (Math.sign) {
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return Math.sign(x);
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} else {
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x = +x; // convert to a number
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if (x === 0 || isNaN(x)) {
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return x;
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}
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return x > 0 ? 1 : -1;
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}
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},
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log10 = helpers.log10 = function(x) {
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if (Math.log10) {
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return Math.log10(x)
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} else {
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return Math.log(x) / Math.LN10;
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}
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},
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getDecimalPlaces = helpers.getDecimalPlaces = function(num) {
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if (num % 1 !== 0 && isNumber(num)) {
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var s = num.toString();
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if (s.indexOf("e-") < 0) {
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// no exponent, e.g. 0.01
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return s.split(".")[1].length;
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} else if (s.indexOf(".") < 0) {
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// no decimal point, e.g. 1e-9
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return parseInt(s.split("e-")[1]);
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} else {
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// exponent and decimal point, e.g. 1.23e-9
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var parts = s.split(".")[1].split("e-");
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return parts[0].length + parseInt(parts[1]);
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}
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} else {
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return 0;
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}
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},
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toRadians = helpers.toRadians = function(degrees) {
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return degrees * (Math.PI / 180);
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},
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toDegrees = helpers.toDegrees = function(radians) {
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return radians * (180 / Math.PI);
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},
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// Gets the angle from vertical upright to the point about a centre.
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getAngleFromPoint = helpers.getAngleFromPoint = function(centrePoint, anglePoint) {
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var distanceFromXCenter = anglePoint.x - centrePoint.x,
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distanceFromYCenter = anglePoint.y - centrePoint.y,
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radialDistanceFromCenter = Math.sqrt(distanceFromXCenter * distanceFromXCenter + distanceFromYCenter * distanceFromYCenter);
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var angle = Math.atan2(distanceFromYCenter, distanceFromXCenter);
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if (angle < (-0.5 * Math.PI)) {
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angle += 2.0 * Math.PI; // make sure the returned angle is in the range of (-PI/2, 3PI/2]
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}
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return {
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angle: angle,
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distance: radialDistanceFromCenter
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};
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},
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aliasPixel = helpers.aliasPixel = function(pixelWidth) {
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return (pixelWidth % 2 === 0) ? 0 : 0.5;
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},
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splineCurve = helpers.splineCurve = function(FirstPoint, MiddlePoint, AfterPoint, t) {
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//Props to Rob Spencer at scaled innovation for his post on splining between points
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//http://scaledinnovation.com/analytics/splines/aboutSplines.html
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var d01 = Math.sqrt(Math.pow(MiddlePoint.x - FirstPoint.x, 2) + Math.pow(MiddlePoint.y - FirstPoint.y, 2)),
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d12 = Math.sqrt(Math.pow(AfterPoint.x - MiddlePoint.x, 2) + Math.pow(AfterPoint.y - MiddlePoint.y, 2)),
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fa = t * d01 / (d01 + d12), // scaling factor for triangle Ta
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fb = t * d12 / (d01 + d12);
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return {
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previous: {
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x: MiddlePoint.x - fa * (AfterPoint.x - FirstPoint.x),
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y: MiddlePoint.y - fa * (AfterPoint.y - FirstPoint.y)
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},
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next: {
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x: MiddlePoint.x + fb * (AfterPoint.x - FirstPoint.x),
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y: MiddlePoint.y + fb * (AfterPoint.y - FirstPoint.y)
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}
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};
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},
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nextItem = helpers.nextItem = function(collection, index, loop) {
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if (loop) {
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return index >= collection.length - 1 ? collection[0] : collection[index + 1];
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}
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return index >= collection.length - 1 ? collection[collection.length - 1] : collection[index + 1];
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},
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previousItem = helpers.previousItem = function(collection, index, loop) {
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if (loop) {
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return index <= 0 ? collection[collection.length - 1] : collection[index - 1];
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}
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return index <= 0 ? collection[0] : collection[index - 1];
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},
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// Implementation of the nice number algorithm used in determining where axis labels will go
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niceNum = helpers.niceNum = function(range, round) {
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var exponent = Math.floor(helpers.log10(range));
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var fraction = range / Math.pow(10, exponent);
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var niceFraction;
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if (round) {
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if (fraction < 1.5) {
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niceFraction = 1;
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} else if (fraction < 3) {
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niceFraction = 2;
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} else if (fraction < 7) {
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niceFraction = 5;
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} else {
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niceFraction = 10;
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}
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} else {
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if (fraction <= 1.0) {
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niceFraction = 1;
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} else if (fraction <= 2) {
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niceFraction = 2;
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} else if (fraction <= 5) {
|
|
niceFraction = 5;
|
|
} else {
|
|
niceFraction = 10;
|
|
}
|
|
}
|
|
|
|
return niceFraction * Math.pow(10, exponent);
|
|
},
|
|
/* jshint ignore:start */
|
|
// Blows up jshint errors based on the new Function constructor
|
|
//Templating methods
|
|
//Javascript micro templating by John Resig - source at http://ejohn.org/blog/javascript-micro-templating/
|
|
templateStringCache = {},
|
|
template = helpers.template = function(templateString, valuesObject) {
|
|
|
|
// If templateString is function rather than string-template - call the function for valuesObject
|
|
|
|
if (templateString instanceof Function) {
|
|
return templateString(valuesObject);
|
|
}
|
|
|
|
function tmpl(str, data) {
|
|
// Figure out if we're getting a template, or if we need to
|
|
// load the template - and be sure to cache the result.
|
|
var fn;
|
|
|
|
if (templateStringCache.hasOwnProperty(str)) {
|
|
fn = templateStringCache[str];
|
|
} else {
|
|
// Generate a reusable function that will serve as a template
|
|
// generator (and which will be cached).
|
|
var functionCode = "var p=[],print=function(){p.push.apply(p,arguments);};" +
|
|
|
|
// Introduce the data as local variables using with(){}
|
|
"with(obj){p.push('" +
|
|
|
|
// Convert the template into pure JavaScript
|
|
str
|
|
.replace(/[\r\t\n]/g, " ")
|
|
.split("<%").join("\t")
|
|
.replace(/((^|%>)[^\t]*)'/g, "$1\r")
|
|
.replace(/\t=(.*?)%>/g, "',$1,'")
|
|
.split("\t").join("');")
|
|
.split("%>").join("p.push('")
|
|
.split("\r").join("\\'") +
|
|
"');}return p.join('');";
|
|
fn = new Function("obj", functionCode);
|
|
|
|
// Cache the result
|
|
templateStringCache[str] = fn;
|
|
}
|
|
|
|
// Provide some basic currying to the user
|
|
return data ? fn(data) : fn;
|
|
}
|
|
return tmpl(templateString, valuesObject);
|
|
},
|
|
/* jshint ignore:end */
|
|
//--Animation methods
|
|
//Easing functions adapted from Robert Penner's easing equations
|
|
//http://www.robertpenner.com/easing/
|
|
easingEffects = helpers.easingEffects = {
|
|
linear: function(t) {
|
|
return t;
|
|
},
|
|
easeInQuad: function(t) {
|
|
return t * t;
|
|
},
|
|
easeOutQuad: function(t) {
|
|
return -1 * t * (t - 2);
|
|
},
|
|
easeInOutQuad: function(t) {
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * t * t;
|
|
}
|
|
return -1 / 2 * ((--t) * (t - 2) - 1);
|
|
},
|
|
easeInCubic: function(t) {
|
|
return t * t * t;
|
|
},
|
|
easeOutCubic: function(t) {
|
|
return 1 * ((t = t / 1 - 1) * t * t + 1);
|
|
},
|
|
easeInOutCubic: function(t) {
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * t * t * t;
|
|
}
|
|
return 1 / 2 * ((t -= 2) * t * t + 2);
|
|
},
|
|
easeInQuart: function(t) {
|
|
return t * t * t * t;
|
|
},
|
|
easeOutQuart: function(t) {
|
|
return -1 * ((t = t / 1 - 1) * t * t * t - 1);
|
|
},
|
|
easeInOutQuart: function(t) {
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * t * t * t * t;
|
|
}
|
|
return -1 / 2 * ((t -= 2) * t * t * t - 2);
|
|
},
|
|
easeInQuint: function(t) {
|
|
return 1 * (t /= 1) * t * t * t * t;
|
|
},
|
|
easeOutQuint: function(t) {
|
|
return 1 * ((t = t / 1 - 1) * t * t * t * t + 1);
|
|
},
|
|
easeInOutQuint: function(t) {
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * t * t * t * t * t;
|
|
}
|
|
return 1 / 2 * ((t -= 2) * t * t * t * t + 2);
|
|
},
|
|
easeInSine: function(t) {
|
|
return -1 * Math.cos(t / 1 * (Math.PI / 2)) + 1;
|
|
},
|
|
easeOutSine: function(t) {
|
|
return 1 * Math.sin(t / 1 * (Math.PI / 2));
|
|
},
|
|
easeInOutSine: function(t) {
|
|
return -1 / 2 * (Math.cos(Math.PI * t / 1) - 1);
|
|
},
|
|
easeInExpo: function(t) {
|
|
return (t === 0) ? 1 : 1 * Math.pow(2, 10 * (t / 1 - 1));
|
|
},
|
|
easeOutExpo: function(t) {
|
|
return (t === 1) ? 1 : 1 * (-Math.pow(2, -10 * t / 1) + 1);
|
|
},
|
|
easeInOutExpo: function(t) {
|
|
if (t === 0) {
|
|
return 0;
|
|
}
|
|
if (t === 1) {
|
|
return 1;
|
|
}
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * Math.pow(2, 10 * (t - 1));
|
|
}
|
|
return 1 / 2 * (-Math.pow(2, -10 * --t) + 2);
|
|
},
|
|
easeInCirc: function(t) {
|
|
if (t >= 1) {
|
|
return t;
|
|
}
|
|
return -1 * (Math.sqrt(1 - (t /= 1) * t) - 1);
|
|
},
|
|
easeOutCirc: function(t) {
|
|
return 1 * Math.sqrt(1 - (t = t / 1 - 1) * t);
|
|
},
|
|
easeInOutCirc: function(t) {
|
|
if ((t /= 1 / 2) < 1) {
|
|
return -1 / 2 * (Math.sqrt(1 - t * t) - 1);
|
|
}
|
|
return 1 / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1);
|
|
},
|
|
easeInElastic: function(t) {
|
|
var s = 1.70158;
|
|
var p = 0;
|
|
var a = 1;
|
|
if (t === 0) {
|
|
return 0;
|
|
}
|
|
if ((t /= 1) == 1) {
|
|
return 1;
|
|
}
|
|
if (!p) {
|
|
p = 1 * 0.3;
|
|
}
|
|
if (a < Math.abs(1)) {
|
|
a = 1;
|
|
s = p / 4;
|
|
} else {
|
|
s = p / (2 * Math.PI) * Math.asin(1 / a);
|
|
}
|
|
return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
|
|
},
|
|
easeOutElastic: function(t) {
|
|
var s = 1.70158;
|
|
var p = 0;
|
|
var a = 1;
|
|
if (t === 0) {
|
|
return 0;
|
|
}
|
|
if ((t /= 1) == 1) {
|
|
return 1;
|
|
}
|
|
if (!p) {
|
|
p = 1 * 0.3;
|
|
}
|
|
if (a < Math.abs(1)) {
|
|
a = 1;
|
|
s = p / 4;
|
|
} else {
|
|
s = p / (2 * Math.PI) * Math.asin(1 / a);
|
|
}
|
|
return a * Math.pow(2, -10 * t) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) + 1;
|
|
},
|
|
easeInOutElastic: function(t) {
|
|
var s = 1.70158;
|
|
var p = 0;
|
|
var a = 1;
|
|
if (t === 0) {
|
|
return 0;
|
|
}
|
|
if ((t /= 1 / 2) == 2) {
|
|
return 1;
|
|
}
|
|
if (!p) {
|
|
p = 1 * (0.3 * 1.5);
|
|
}
|
|
if (a < Math.abs(1)) {
|
|
a = 1;
|
|
s = p / 4;
|
|
} else {
|
|
s = p / (2 * Math.PI) * Math.asin(1 / a);
|
|
}
|
|
if (t < 1) {
|
|
return -0.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p));
|
|
}
|
|
return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * 1 - s) * (2 * Math.PI) / p) * 0.5 + 1;
|
|
},
|
|
easeInBack: function(t) {
|
|
var s = 1.70158;
|
|
return 1 * (t /= 1) * t * ((s + 1) * t - s);
|
|
},
|
|
easeOutBack: function(t) {
|
|
var s = 1.70158;
|
|
return 1 * ((t = t / 1 - 1) * t * ((s + 1) * t + s) + 1);
|
|
},
|
|
easeInOutBack: function(t) {
|
|
var s = 1.70158;
|
|
if ((t /= 1 / 2) < 1) {
|
|
return 1 / 2 * (t * t * (((s *= (1.525)) + 1) * t - s));
|
|
}
|
|
return 1 / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2);
|
|
},
|
|
easeInBounce: function(t) {
|
|
return 1 - easingEffects.easeOutBounce(1 - t);
|
|
},
|
|
easeOutBounce: function(t) {
|
|
if ((t /= 1) < (1 / 2.75)) {
|
|
return 1 * (7.5625 * t * t);
|
|
} else if (t < (2 / 2.75)) {
|
|
return 1 * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75);
|
|
} else if (t < (2.5 / 2.75)) {
|
|
return 1 * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375);
|
|
} else {
|
|
return 1 * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375);
|
|
}
|
|
},
|
|
easeInOutBounce: function(t) {
|
|
if (t < 1 / 2) {
|
|
return easingEffects.easeInBounce(t * 2) * 0.5;
|
|
}
|
|
return easingEffects.easeOutBounce(t * 2 - 1) * 0.5 + 1 * 0.5;
|
|
}
|
|
},
|
|
//Request animation polyfill - http://www.paulirish.com/2011/requestanimationframe-for-smart-animating/
|
|
requestAnimFrame = helpers.requestAnimFrame = (function() {
|
|
return window.requestAnimationFrame ||
|
|
window.webkitRequestAnimationFrame ||
|
|
window.mozRequestAnimationFrame ||
|
|
window.oRequestAnimationFrame ||
|
|
window.msRequestAnimationFrame ||
|
|
function(callback) {
|
|
return window.setTimeout(callback, 1000 / 60);
|
|
};
|
|
})(),
|
|
cancelAnimFrame = helpers.cancelAnimFrame = (function() {
|
|
return window.cancelAnimationFrame ||
|
|
window.webkitCancelAnimationFrame ||
|
|
window.mozCancelAnimationFrame ||
|
|
window.oCancelAnimationFrame ||
|
|
window.msCancelAnimationFrame ||
|
|
function(callback) {
|
|
return window.clearTimeout(callback, 1000 / 60);
|
|
};
|
|
})(),
|
|
//-- DOM methods
|
|
getRelativePosition = helpers.getRelativePosition = function(evt, chart) {
|
|
var mouseX, mouseY;
|
|
var e = evt.originalEvent || evt,
|
|
canvas = evt.currentTarget || evt.srcElement,
|
|
boundingRect = canvas.getBoundingClientRect();
|
|
|
|
if (e.touches) {
|
|
mouseX = e.touches[0].clientX;
|
|
mouseY = e.touches[0].clientY;
|
|
|
|
} else {
|
|
mouseX = e.clientX;
|
|
mouseY = e.clientY;
|
|
}
|
|
|
|
// Scale mouse coordinates into canvas coordinates
|
|
// by following the pattern laid out by 'jerryj' in the comments of
|
|
// http://www.html5canvastutorials.com/advanced/html5-canvas-mouse-coordinates/
|
|
|
|
// 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) / (boundingRect.right - boundingRect.left) * canvas.width / chart.currentDevicePixelRatio);
|
|
mouseY = Math.round((mouseY - boundingRect.top) / (boundingRect.bottom - boundingRect.top) * canvas.height / chart.currentDevicePixelRatio);
|
|
|
|
return {
|
|
x: mouseX,
|
|
y: mouseY
|
|
};
|
|
|
|
},
|
|
addEvent = helpers.addEvent = function(node, eventType, method) {
|
|
if (node.addEventListener) {
|
|
node.addEventListener(eventType, method);
|
|
} else if (node.attachEvent) {
|
|
node.attachEvent("on" + eventType, method);
|
|
} else {
|
|
node["on" + eventType] = method;
|
|
}
|
|
},
|
|
removeEvent = helpers.removeEvent = function(node, eventType, handler) {
|
|
if (node.removeEventListener) {
|
|
node.removeEventListener(eventType, handler, false);
|
|
} else if (node.detachEvent) {
|
|
node.detachEvent("on" + eventType, handler);
|
|
} else {
|
|
node["on" + eventType] = noop;
|
|
}
|
|
},
|
|
bindEvents = helpers.bindEvents = function(chartInstance, arrayOfEvents, handler) {
|
|
// Create the events object if it's not already present
|
|
if (!chartInstance.events) chartInstance.events = {};
|
|
|
|
each(arrayOfEvents, function(eventName) {
|
|
chartInstance.events[eventName] = function() {
|
|
handler.apply(chartInstance, arguments);
|
|
};
|
|
addEvent(chartInstance.chart.canvas, eventName, chartInstance.events[eventName]);
|
|
});
|
|
},
|
|
unbindEvents = helpers.unbindEvents = function(chartInstance, arrayOfEvents) {
|
|
each(arrayOfEvents, function(handler, eventName) {
|
|
removeEvent(chartInstance.chart.canvas, eventName, handler);
|
|
});
|
|
},
|
|
getConstraintWidth = helpers.getConstraintWidth = function(domNode) { // returns Number or undefined if no constraint
|
|
var constrainedWidth;
|
|
var constrainedWNode = document.defaultView.getComputedStyle(domNode)['max-width'];
|
|
var constrainedWContainer = document.defaultView.getComputedStyle(domNode.parentNode)['max-width'];
|
|
var hasCWNode = constrainedWNode !== null && constrainedWNode !== "none";
|
|
var hasCWContainer = constrainedWContainer !== null && constrainedWContainer !== "none";
|
|
|
|
if (hasCWNode || hasCWContainer) {
|
|
constrainedWidth = Math.min((hasCWNode ? parseInt(constrainedWNode, 10) : Number.POSITIVE_INFINITY), (hasCWContainer ? parseInt(constrainedWContainer, 10) : Number.POSITIVE_INFINITY));
|
|
}
|
|
return constrainedWidth;
|
|
},
|
|
getConstraintHeight = helpers.getConstraintHeight = function(domNode) { // returns Number or undefined if no constraint
|
|
|
|
var constrainedHeight;
|
|
var constrainedHNode = document.defaultView.getComputedStyle(domNode)['max-height'];
|
|
var constrainedHContainer = document.defaultView.getComputedStyle(domNode.parentNode)['max-height'];
|
|
var hasCHNode = constrainedHNode !== null && constrainedHNode !== "none";
|
|
var hasCHContainer = constrainedHContainer !== null && constrainedHContainer !== "none";
|
|
|
|
if (constrainedHNode || constrainedHContainer) {
|
|
constrainedHeight = Math.min((hasCHNode ? parseInt(constrainedHNode, 10) : Number.POSITIVE_INFINITY), (hasCHContainer ? parseInt(constrainedHContainer, 10) : Number.POSITIVE_INFINITY));
|
|
}
|
|
return constrainedHeight;
|
|
},
|
|
getMaximumWidth = helpers.getMaximumWidth = function(domNode) {
|
|
var container = domNode.parentNode;
|
|
var padding = parseInt(getStyle(container, 'padding-left')) + parseInt(getStyle(container, 'padding-right'));
|
|
|
|
var w = container.clientWidth - padding;
|
|
var cw = getConstraintWidth(domNode);
|
|
if (cw !== undefined) {
|
|
w = Math.min(w, cw);
|
|
}
|
|
|
|
return w;
|
|
},
|
|
getMaximumHeight = helpers.getMaximumHeight = function(domNode) {
|
|
var container = domNode.parentNode;
|
|
var padding = parseInt(getStyle(container, 'padding-top')) + parseInt(getStyle(container, 'padding-bottom'));
|
|
|
|
var h = container.clientHeight - padding;
|
|
var ch = getConstraintHeight(domNode);
|
|
if (ch !== undefined) {
|
|
h = Math.min(h, ch);
|
|
}
|
|
|
|
return h;
|
|
},
|
|
getStyle = helpers.getStyle = function(el, property) {
|
|
return el.currentStyle ?
|
|
el.currentStyle[property] :
|
|
document.defaultView.getComputedStyle(el, null).getPropertyValue(property);
|
|
},
|
|
getMaximumSize = helpers.getMaximumSize = helpers.getMaximumWidth, // legacy support
|
|
retinaScale = helpers.retinaScale = function(chart) {
|
|
var ctx = chart.ctx;
|
|
var width = chart.canvas.width;
|
|
var height = chart.canvas.height;
|
|
chart.currentDevicePixelRatio = window.devicePixelRatio || 1;
|
|
|
|
if (window.devicePixelRatio !== 1) {
|
|
ctx.canvas.height = height * window.devicePixelRatio;
|
|
ctx.canvas.width = width * window.devicePixelRatio;
|
|
ctx.scale(window.devicePixelRatio, window.devicePixelRatio);
|
|
|
|
ctx.canvas.style.width = width + 'px';
|
|
ctx.canvas.style.height = height + 'px';
|
|
|
|
// Store the device pixel ratio so that we can go backwards in `destroy`.
|
|
// The devicePixelRatio changes with zoom, so there are no guarantees that it is the same
|
|
// when destroy is called
|
|
chart.originalDevicePixelRatio = chart.originalDevicePixelRatio || window.devicePixelRatio;
|
|
}
|
|
},
|
|
//-- Canvas methods
|
|
clear = helpers.clear = function(chart) {
|
|
chart.ctx.clearRect(0, 0, chart.width, chart.height);
|
|
},
|
|
fontString = helpers.fontString = function(pixelSize, fontStyle, fontFamily) {
|
|
return fontStyle + " " + pixelSize + "px " + fontFamily;
|
|
},
|
|
longestText = helpers.longestText = function(ctx, font, arrayOfStrings) {
|
|
ctx.font = font;
|
|
var longest = 0;
|
|
each(arrayOfStrings, function(string) {
|
|
var textWidth = ctx.measureText(string).width;
|
|
longest = (textWidth > longest) ? textWidth : longest;
|
|
});
|
|
return longest;
|
|
},
|
|
drawRoundedRectangle = helpers.drawRoundedRectangle = function(ctx, x, y, width, height, radius) {
|
|
ctx.beginPath();
|
|
ctx.moveTo(x + radius, y);
|
|
ctx.lineTo(x + width - radius, y);
|
|
ctx.quadraticCurveTo(x + width, y, x + width, y + radius);
|
|
ctx.lineTo(x + width, y + height - radius);
|
|
ctx.quadraticCurveTo(x + width, y + height, x + width - radius, y + height);
|
|
ctx.lineTo(x + radius, y + height);
|
|
ctx.quadraticCurveTo(x, y + height, x, y + height - radius);
|
|
ctx.lineTo(x, y + radius);
|
|
ctx.quadraticCurveTo(x, y, x + radius, y);
|
|
ctx.closePath();
|
|
},
|
|
color = helpers.color = function(color) {
|
|
if (!window.Color) {
|
|
console.log('Color.js not found!');
|
|
return color;
|
|
}
|
|
return window.Color(color);
|
|
},
|
|
addResizeListener = helpers.addResizeListener = function(node, callback) {
|
|
// Hide an iframe before the node
|
|
var hiddenIframe = document.createElement('iframe');
|
|
var hiddenIframeClass = 'chartjs-hidden-iframe';
|
|
|
|
if (hiddenIframe.classlist) {
|
|
// can use classlist
|
|
hiddenIframe.classlist.add(hiddenIframeClass);
|
|
} else {
|
|
hiddenIframe.setAttribute('class', hiddenIframeClass)
|
|
}
|
|
|
|
// Set the style
|
|
hiddenIframe.style.width = '100%';
|
|
hiddenIframe.style.display = 'block';
|
|
hiddenIframe.style.border = 0;
|
|
hiddenIframe.style.height = 0;
|
|
hiddenIframe.style.margin = 0;
|
|
hiddenIframe.style.position = 'absolute';
|
|
hiddenIframe.style.left = 0;
|
|
hiddenIframe.style.right = 0;
|
|
hiddenIframe.style.top = 0;
|
|
hiddenIframe.style.bottom = 0;
|
|
|
|
// Insert the iframe so that contentWindow is available
|
|
node.insertBefore(hiddenIframe, node.firstChild);
|
|
|
|
var timer = 0;
|
|
(hiddenIframe.contentWindow || hiddenIframe).onresize = function() {
|
|
if (callback) {
|
|
callback();
|
|
}
|
|
}
|
|
},
|
|
removeResizeListener = helpers.removeResizeListener = function(node) {
|
|
var hiddenIframe = node.querySelector('.chartjs-hidden-iframe');
|
|
|
|
// Remove the resize detect iframe
|
|
if (hiddenIframe) {
|
|
hiddenIframe.remove();
|
|
}
|
|
},
|
|
isArray = helpers.isArray = function(obj) {
|
|
if (!Array.isArray) {
|
|
return Object.prototype.toString.call(arg) === '[object Array]';
|
|
}
|
|
return Array.isArray(obj);
|
|
};
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
//Declare root variable - window in the browser, global on the server
|
|
var root = this,
|
|
previous = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.elements = {};
|
|
|
|
Chart.Element = function(configuration) {
|
|
helpers.extend(this, configuration);
|
|
this.initialize.apply(this, arguments);
|
|
};
|
|
helpers.extend(Chart.Element.prototype, {
|
|
initialize: function() {},
|
|
pivot: function() {
|
|
if (!this._view) {
|
|
this._view = helpers.clone(this._model);
|
|
}
|
|
this._start = helpers.clone(this._view);
|
|
return this;
|
|
},
|
|
transition: function(ease) {
|
|
if (!this._view) {
|
|
this._view = helpers.clone(this._model);
|
|
}
|
|
if (!this._start) {
|
|
this.pivot();
|
|
}
|
|
|
|
helpers.each(this._model, function(value, key) {
|
|
|
|
if (key[0] === '_' || !this._model.hasOwnProperty(key)) {
|
|
// Only non-underscored properties
|
|
}
|
|
|
|
// Init if doesn't exist
|
|
else if (!this._view[key]) {
|
|
if (typeof value === 'number') {
|
|
this._view[key] = value * ease;
|
|
} else {
|
|
this._view[key] = value || null;
|
|
}
|
|
}
|
|
|
|
// No unnecessary computations
|
|
else if (this._model[key] === this._view[key]) {
|
|
// It's the same! Woohoo!
|
|
}
|
|
|
|
// Color transitions if possible
|
|
else if (typeof value === 'string') {
|
|
try {
|
|
var color = helpers.color(this._start[key]).mix(helpers.color(this._model[key]), ease);
|
|
this._view[key] = color.rgbString();
|
|
} catch (err) {
|
|
this._view[key] = value;
|
|
}
|
|
}
|
|
// Number transitions
|
|
else if (typeof value === 'number') {
|
|
var startVal = this._start[key] !== undefined ? this._start[key] : 0;
|
|
this._view[key] = ((this._model[key] - startVal) * ease) + startVal;
|
|
}
|
|
// Everything else
|
|
else {
|
|
this._view[key] = value;
|
|
}
|
|
|
|
}, this);
|
|
|
|
if (ease === 1) {
|
|
delete this._start;
|
|
}
|
|
return this;
|
|
},
|
|
tooltipPosition: function() {
|
|
return {
|
|
x: this._model.x,
|
|
y: this._model.y
|
|
};
|
|
},
|
|
hasValue: function() {
|
|
return helpers.isNumber(this._model.x) && helpers.isNumber(this._model.y);
|
|
}
|
|
});
|
|
|
|
Chart.Element.extend = helpers.inherits;
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.animation = {
|
|
duration: 1000,
|
|
easing: "easeOutQuart",
|
|
onProgress: function() {},
|
|
onComplete: function() {},
|
|
};
|
|
|
|
Chart.Animation = Chart.Element.extend({
|
|
currentStep: null, // the current animation step
|
|
numSteps: 60, // default number of steps
|
|
easing: "", // the easing to use for this animation
|
|
render: null, // render function used by the animation service
|
|
|
|
onAnimationProgress: null, // user specified callback to fire on each step of the animation
|
|
onAnimationComplete: null, // user specified callback to fire when the animation finishes
|
|
});
|
|
|
|
Chart.animationService = {
|
|
frameDuration: 17,
|
|
animations: [],
|
|
dropFrames: 0,
|
|
addAnimation: function(chartInstance, animationObject, duration, lazy) {
|
|
|
|
if (!lazy) {
|
|
chartInstance.animating = true;
|
|
}
|
|
|
|
for (var index = 0; index < this.animations.length; ++index) {
|
|
if (this.animations[index].chartInstance === chartInstance) {
|
|
// replacing an in progress animation
|
|
this.animations[index].animationObject = animationObject;
|
|
return;
|
|
}
|
|
}
|
|
|
|
this.animations.push({
|
|
chartInstance: chartInstance,
|
|
animationObject: animationObject
|
|
});
|
|
|
|
// If there are no animations queued, manually kickstart a digest, for lack of a better word
|
|
if (this.animations.length == 1) {
|
|
helpers.requestAnimFrame.call(window, this.digestWrapper);
|
|
}
|
|
},
|
|
// Cancel the animation for a given chart instance
|
|
cancelAnimation: function(chartInstance) {
|
|
var index = helpers.findNextWhere(this.animations, function(animationWrapper) {
|
|
return animationWrapper.chartInstance === chartInstance;
|
|
});
|
|
|
|
if (index) {
|
|
this.animations.splice(index, 1);
|
|
chartInstance.animating = false;
|
|
}
|
|
},
|
|
// calls startDigest with the proper context
|
|
digestWrapper: function() {
|
|
Chart.animationService.startDigest.call(Chart.animationService);
|
|
},
|
|
startDigest: function() {
|
|
|
|
var startTime = Date.now();
|
|
var framesToDrop = 0;
|
|
|
|
if (this.dropFrames > 1) {
|
|
framesToDrop = Math.floor(this.dropFrames);
|
|
this.dropFrames = this.dropFrames % 1;
|
|
}
|
|
|
|
for (var i = 0; i < this.animations.length; i++) {
|
|
|
|
if (this.animations[i].animationObject.currentStep === null) {
|
|
this.animations[i].animationObject.currentStep = 0;
|
|
}
|
|
this.animations[i].animationObject.currentStep += 1 + framesToDrop;
|
|
if (this.animations[i].animationObject.currentStep > this.animations[i].animationObject.numSteps) {
|
|
this.animations[i].animationObject.currentStep = this.animations[i].animationObject.numSteps;
|
|
}
|
|
|
|
this.animations[i].animationObject.render(this.animations[i].chartInstance, this.animations[i].animationObject);
|
|
|
|
if (this.animations[i].animationObject.currentStep == this.animations[i].animationObject.numSteps) {
|
|
// executed the last frame. Remove the animation.
|
|
this.animations[i].chartInstance.animating = false;
|
|
this.animations.splice(i, 1);
|
|
// Keep the index in place to offset the splice
|
|
i--;
|
|
}
|
|
}
|
|
|
|
var endTime = Date.now();
|
|
var dropFrames = (endTime - startTime) / this.frameDuration;
|
|
|
|
this.dropFrames += dropFrames;
|
|
|
|
// Do we have more stuff to animate?
|
|
if (this.animations.length > 0) {
|
|
helpers.requestAnimFrame.call(window, this.digestWrapper);
|
|
}
|
|
}
|
|
};
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
//Declare root variable - window in the browser, global on the server
|
|
var root = this,
|
|
previous = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
|
|
//Create a dictionary of chart types, to allow for extension of existing types
|
|
Chart.types = {};
|
|
|
|
//Store a reference to each instance - allowing us to globally resize chart instances on window resize.
|
|
//Destroy method on the chart will remove the instance of the chart from this reference.
|
|
Chart.instances = {};
|
|
|
|
// Controllers available for dataset visualization eg. bar, line, slice, etc.
|
|
Chart.controllers = {};
|
|
|
|
// The main controller of a chart
|
|
Chart.Controller = function(instance) {
|
|
|
|
this.chart = instance;
|
|
this.config = instance.config;
|
|
this.data = this.config.data;
|
|
this.options = this.config.options = helpers.configMerge(Chart.defaults.global, Chart.defaults[this.config.type], this.config.options || {});
|
|
this.id = helpers.uid();
|
|
|
|
//Add the chart instance to the global namespace
|
|
Chart.instances[this.id] = this;
|
|
|
|
if (this.options.responsive) {
|
|
// Silent resize before chart draws
|
|
this.resize(true);
|
|
}
|
|
|
|
this.initialize.call(this);
|
|
|
|
return this;
|
|
};
|
|
|
|
helpers.extend(Chart.Controller.prototype, {
|
|
|
|
initialize: function initialize() {
|
|
|
|
// TODO
|
|
// If BeforeInit(this) doesn't return false, proceed
|
|
|
|
this.bindEvents();
|
|
|
|
// Make sure controllers are built first so that each dataset is bound to an axis before the scales
|
|
// are built
|
|
this.ensureScalesHaveIDs();
|
|
this.buildOrUpdateControllers();
|
|
this.buildScales();
|
|
this.resetElements();
|
|
this.initToolTip();
|
|
this.update();
|
|
|
|
// TODO
|
|
// If AfterInit(this) doesn't return false, proceed
|
|
|
|
return this;
|
|
},
|
|
|
|
clear: function clear() {
|
|
helpers.clear(this.chart);
|
|
return this;
|
|
},
|
|
|
|
stop: function stop() {
|
|
// Stops any current animation loop occuring
|
|
Chart.animationService.cancelAnimation(this);
|
|
return this;
|
|
},
|
|
|
|
resize: function resize(silent) {
|
|
this.stop();
|
|
var canvas = this.chart.canvas;
|
|
var newWidth = helpers.getMaximumWidth(this.chart.canvas);
|
|
var newHeight = (this.options.maintainAspectRatio && isNaN(this.chart.aspectRatio) === false && isFinite(this.chart.aspectRatio) && this.chart.aspectRatio !== 0) ? newWidth / this.chart.aspectRatio : helpers.getMaximumHeight(this.chart.canvas);
|
|
|
|
canvas.width = this.chart.width = newWidth;
|
|
canvas.height = this.chart.height = newHeight;
|
|
|
|
helpers.retinaScale(this.chart);
|
|
|
|
if (!silent) {
|
|
this.update(this.options.responsiveAnimationDuration);
|
|
}
|
|
|
|
return this;
|
|
},
|
|
ensureScalesHaveIDs: function ensureScalesHaveIDs() {
|
|
var defaultXAxisID = 'x-axis-';
|
|
var defaultYAxisID = 'y-axis-';
|
|
|
|
if (this.options.scales) {
|
|
if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
|
|
helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
|
|
xAxisOptions.id = xAxisOptions.id || (defaultXAxisID + index);
|
|
}, this);
|
|
}
|
|
|
|
if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
|
|
// Build the y axes
|
|
helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
|
|
yAxisOptions.id = yAxisOptions.id || (defaultYAxisID + index);
|
|
}, this);
|
|
}
|
|
}
|
|
},
|
|
buildScales: function buildScales() {
|
|
// Map of scale ID to scale object so we can lookup later
|
|
this.scales = {};
|
|
|
|
// Build the x axes
|
|
if (this.options.scales) {
|
|
if (this.options.scales.xAxes && this.options.scales.xAxes.length) {
|
|
helpers.each(this.options.scales.xAxes, function(xAxisOptions, index) {
|
|
var ScaleClass = Chart.scaleService.getScaleConstructor(xAxisOptions.type);
|
|
var scale = new ScaleClass({
|
|
ctx: this.chart.ctx,
|
|
options: xAxisOptions,
|
|
data: this.data,
|
|
id: xAxisOptions.id,
|
|
});
|
|
|
|
this.scales[scale.id] = scale;
|
|
}, this);
|
|
}
|
|
|
|
if (this.options.scales.yAxes && this.options.scales.yAxes.length) {
|
|
// Build the y axes
|
|
helpers.each(this.options.scales.yAxes, function(yAxisOptions, index) {
|
|
var ScaleClass = Chart.scaleService.getScaleConstructor(yAxisOptions.type);
|
|
var scale = new ScaleClass({
|
|
ctx: this.chart.ctx,
|
|
options: yAxisOptions,
|
|
data: this.data,
|
|
id: yAxisOptions.id,
|
|
});
|
|
|
|
this.scales[scale.id] = scale;
|
|
}, this);
|
|
}
|
|
}
|
|
if (this.options.scale) {
|
|
// Build radial axes
|
|
var ScaleClass = Chart.scaleService.getScaleConstructor(this.options.scale.type);
|
|
var scale = new ScaleClass({
|
|
ctx: this.chart.ctx,
|
|
options: this.options.scale,
|
|
data: this.data,
|
|
chart: this.chart,
|
|
});
|
|
|
|
this.scale = scale;
|
|
}
|
|
|
|
Chart.scaleService.update(this, this.chart.width, this.chart.height);
|
|
},
|
|
|
|
buildOrUpdateControllers: function buildOrUpdateControllers(resetNewControllers) {
|
|
var types = [];
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
if (!dataset.type) {
|
|
dataset.type = this.config.type;
|
|
}
|
|
var type = dataset.type;
|
|
types.push(type);
|
|
if (dataset.controller) {
|
|
dataset.controller.updateIndex(datasetIndex);
|
|
return;
|
|
}
|
|
dataset.controller = new Chart.controllers[type](this, datasetIndex);
|
|
|
|
if (resetNewControllers) {
|
|
dataset.controller.reset();
|
|
}
|
|
}, this);
|
|
if (types.length > 1) {
|
|
for (var i = 1; i < types.length; i++) {
|
|
if (types[i] != types[i - 1]) {
|
|
this.isCombo = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
},
|
|
|
|
resetElements: function resetElements() {
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
dataset.controller.reset();
|
|
}, this);
|
|
},
|
|
|
|
update: function update(animationDuration, lazy) {
|
|
Chart.scaleService.update(this, this.chart.width, this.chart.height);
|
|
|
|
// Make sure dataset controllers are updated and new controllers are reset
|
|
this.buildOrUpdateControllers(true);
|
|
|
|
// Make sure all dataset controllers have correct meta data counts
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
dataset.controller.buildOrUpdateElements();
|
|
}, this);
|
|
|
|
// This will loop through any data and do the appropriate element update for the type
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
dataset.controller.update();
|
|
}, this);
|
|
this.render(animationDuration, lazy);
|
|
},
|
|
|
|
render: function render(duration, lazy) {
|
|
|
|
if ((typeof duration !== 'undefined' && duration !== 0) || (typeof duration == 'undefined' && this.options.animation.duration !== 0)) {
|
|
var animation = new Chart.Animation();
|
|
animation.numSteps = (duration || this.options.animation.duration) / 16.66; //60 fps
|
|
animation.easing = this.options.animation.easing;
|
|
|
|
// render function
|
|
animation.render = function(chartInstance, animationObject) {
|
|
var easingFunction = helpers.easingEffects[animationObject.easing];
|
|
var stepDecimal = animationObject.currentStep / animationObject.numSteps;
|
|
var easeDecimal = easingFunction(stepDecimal);
|
|
|
|
chartInstance.draw(easeDecimal, stepDecimal, animationObject.currentStep);
|
|
};
|
|
|
|
// user events
|
|
animation.onAnimationProgress = this.options.onAnimationProgress;
|
|
animation.onAnimationComplete = this.options.onAnimationComplete;
|
|
|
|
Chart.animationService.addAnimation(this, animation, duration, lazy);
|
|
} else {
|
|
this.draw();
|
|
if (this.options.onAnimationComplete && this.options.onAnimationComplete.call) {
|
|
this.options.onAnimationComplete.call(this);
|
|
}
|
|
}
|
|
return this;
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
this.clear();
|
|
|
|
// Draw all the scales
|
|
helpers.each(this.scales, function(scale) {
|
|
scale.draw(this.chartArea);
|
|
}, this);
|
|
if (this.scale) {
|
|
this.scale.draw();
|
|
}
|
|
|
|
// Draw each dataset via its respective controller (reversed to support proper line stacking)
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
dataset.controller.draw(ease);
|
|
}, this);
|
|
|
|
// Finally draw the tooltip
|
|
this.tooltip.transition(easingDecimal).draw();
|
|
},
|
|
|
|
// Get the single element that was clicked on
|
|
// @return : An object containing the dataset index and element index of the matching element. Also contains the rectangle that was draw
|
|
getElementAtEvent: function(e) {
|
|
|
|
var eventPosition = helpers.getRelativePosition(e, this.chart);
|
|
var elementsArray = [];
|
|
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
helpers.each(dataset.metaData, function(element, index) {
|
|
if (element.inRange(eventPosition.x, eventPosition.y)) {
|
|
elementsArray.push(element);
|
|
return elementsArray;
|
|
}
|
|
}, this);
|
|
}, this);
|
|
|
|
return elementsArray;
|
|
},
|
|
|
|
getElementsAtEvent: function(e) {
|
|
var eventPosition = helpers.getRelativePosition(e, this.chart);
|
|
var elementsArray = [];
|
|
|
|
helpers.each(this.data.datasets, function(dataset, datasetIndex) {
|
|
helpers.each(dataset.metaData, function(element, index) {
|
|
if (element.inLabelRange(eventPosition.x, eventPosition.y)) {
|
|
elementsArray.push(element);
|
|
}
|
|
}, this);
|
|
}, this);
|
|
|
|
return elementsArray;
|
|
},
|
|
|
|
getDatasetAtEvent: function(e) {
|
|
var eventPosition = helpers.getRelativePosition(e, this.chart);
|
|
var elementsArray = [];
|
|
|
|
for (var datasetIndex = 0; datasetIndex < this.data.datasets.length; datasetIndex++) {
|
|
for (var elementIndex = 0; elementIndex < this.data.datasets[datasetIndex].metaData.length; elementIndex++) {
|
|
if (this.data.datasets[datasetIndex].metaData[elementIndex].inLabelRange(eventPosition.x, eventPosition.y)) {
|
|
helpers.each(this.data.datasets[datasetIndex].metaData, function(element, index) {
|
|
elementsArray.push(element);
|
|
}, this);
|
|
}
|
|
}
|
|
}
|
|
|
|
return elementsArray.length ? elementsArray : [];
|
|
},
|
|
|
|
generateLegend: function generateLegend() {
|
|
return helpers.template(this.options.legendTemplate, this);
|
|
},
|
|
|
|
destroy: function destroy() {
|
|
this.clear();
|
|
helpers.unbindEvents(this, this.events);
|
|
helpers.removeResizeListener(this.chart.canvas.parentNode);
|
|
|
|
// Reset canvas height/width attributes
|
|
var canvas = this.chart.canvas;
|
|
canvas.width = this.chart.width;
|
|
canvas.height = this.chart.height;
|
|
|
|
// if we scaled the canvas in response to a devicePixelRatio !== 1, we need to undo that transform here
|
|
if (this.chart.originalDevicePixelRatio !== undefined) {
|
|
this.chart.ctx.scale(1 / this.chart.originalDevicePixelRatio, 1 / this.chart.originalDevicePixelRatio);
|
|
}
|
|
|
|
// Reset to the old style since it may have been changed by the device pixel ratio changes
|
|
canvas.style.width = this.chart.originalCanvasStyleWidth;
|
|
canvas.style.height = this.chart.originalCanvasStyleHeight;
|
|
|
|
delete Chart.instances[this.id];
|
|
},
|
|
|
|
toBase64Image: function toBase64Image() {
|
|
return this.chart.canvas.toDataURL.apply(this.chart.canvas, arguments);
|
|
},
|
|
|
|
initToolTip: function initToolTip() {
|
|
this.tooltip = new Chart.Tooltip({
|
|
_chart: this.chart,
|
|
_data: this.data,
|
|
_options: this.options,
|
|
}, this);
|
|
},
|
|
|
|
bindEvents: function bindEvents() {
|
|
helpers.bindEvents(this, this.options.events, function(evt) {
|
|
this.eventHandler(evt);
|
|
});
|
|
},
|
|
eventHandler: function eventHandler(e) {
|
|
this.lastActive = this.lastActive || [];
|
|
|
|
// Find Active Elements
|
|
if (e.type == 'mouseout') {
|
|
this.active = [];
|
|
} else {
|
|
this.active = function() {
|
|
switch (this.options.hover.mode) {
|
|
case 'single':
|
|
return this.getElementAtEvent(e);
|
|
case 'label':
|
|
return this.getElementsAtEvent(e);
|
|
case 'dataset':
|
|
return this.getDatasetAtEvent(e);
|
|
default:
|
|
return e;
|
|
}
|
|
}.call(this);
|
|
}
|
|
|
|
// On Hover hook
|
|
if (this.options.hover.onHover) {
|
|
this.options.hover.onHover.call(this, this.active);
|
|
}
|
|
|
|
if (e.type == 'mouseup' || e.type == 'click') {
|
|
if (this.options.onClick) {
|
|
this.options.onClick.call(this, e, this.active);
|
|
}
|
|
}
|
|
|
|
var dataset;
|
|
var index;
|
|
// Remove styling for last active (even if it may still be active)
|
|
if (this.lastActive.length) {
|
|
switch (this.options.hover.mode) {
|
|
case 'single':
|
|
this.data.datasets[this.lastActive[0]._datasetIndex].controller.removeHoverStyle(this.lastActive[0], this.lastActive[0]._datasetIndex, this.lastActive[0]._index);
|
|
break;
|
|
case 'label':
|
|
case 'dataset':
|
|
for (var i = 0; i < this.lastActive.length; i++) {
|
|
this.data.datasets[this.lastActive[i]._datasetIndex].controller.removeHoverStyle(this.lastActive[i], this.lastActive[i]._datasetIndex, this.lastActive[i]._index);
|
|
}
|
|
break;
|
|
default:
|
|
// Don't change anything
|
|
}
|
|
}
|
|
|
|
// Built in hover styling
|
|
if (this.active.length && this.options.hover.mode) {
|
|
switch (this.options.hover.mode) {
|
|
case 'single':
|
|
this.data.datasets[this.active[0]._datasetIndex].controller.setHoverStyle(this.active[0]);
|
|
break;
|
|
case 'label':
|
|
case 'dataset':
|
|
for (var i = 0; i < this.active.length; i++) {
|
|
this.data.datasets[this.active[i]._datasetIndex].controller.setHoverStyle(this.active[i]);
|
|
}
|
|
break;
|
|
default:
|
|
// Don't change anything
|
|
}
|
|
}
|
|
|
|
|
|
// Built in Tooltips
|
|
if (this.options.tooltips.enabled || this.options.tooltips.custom) {
|
|
|
|
// The usual updates
|
|
this.tooltip.initialize();
|
|
|
|
// Active
|
|
if (this.active.length) {
|
|
this.tooltip._model.opacity = 1;
|
|
|
|
helpers.extend(this.tooltip, {
|
|
_active: this.active,
|
|
});
|
|
|
|
this.tooltip.update();
|
|
} else {
|
|
// Inactive
|
|
this.tooltip._model.opacity = 0;
|
|
}
|
|
}
|
|
|
|
// Hover animations
|
|
this.tooltip.pivot();
|
|
|
|
if (!this.animating) {
|
|
var changed;
|
|
|
|
helpers.each(this.active, function(element, index) {
|
|
if (element !== this.lastActive[index]) {
|
|
changed = true;
|
|
}
|
|
}, this);
|
|
|
|
// If entering, leaving, or changing elements, animate the change via pivot
|
|
if ((!this.lastActive.length && this.active.length) ||
|
|
(this.lastActive.length && !this.active.length) ||
|
|
(this.lastActive.length && this.active.length && changed)) {
|
|
|
|
this.stop();
|
|
|
|
// We only need to render at this point. Updating will cause scales to be recomputed generating flicker & using more
|
|
// memory than necessary.
|
|
this.render(this.options.hover.animationDuration, true);
|
|
}
|
|
}
|
|
|
|
// Remember Last Active
|
|
this.lastActive = this.active;
|
|
return this;
|
|
},
|
|
});
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.scale = {
|
|
display: true,
|
|
|
|
// grid line settings
|
|
gridLines: {
|
|
show: true,
|
|
color: "rgba(0, 0, 0, 0.1)",
|
|
lineWidth: 1,
|
|
drawOnChartArea: true,
|
|
drawTicks: true,
|
|
zeroLineWidth: 1,
|
|
zeroLineColor: "rgba(0,0,0,0.25)",
|
|
offsetGridLines: false,
|
|
},
|
|
|
|
// label settings
|
|
ticks: {
|
|
show: true,
|
|
minRotation: 20,
|
|
maxRotation: 90,
|
|
template: "<%=value%>",
|
|
fontSize: 12,
|
|
fontStyle: "normal",
|
|
fontColor: "#666",
|
|
fontFamily: "Helvetica Neue",
|
|
},
|
|
};
|
|
|
|
Chart.Scale = Chart.Element.extend({
|
|
|
|
// These methods are ordered by lifecyle. Utilities then follow.
|
|
// Any function defined here is inherited by all scale types.
|
|
// Any function can be extended by the scale type
|
|
|
|
beforeUpdate: helpers.noop,
|
|
update: function(maxWidth, maxHeight, margins) {
|
|
|
|
// Update Lifecycle - Probably don't want to ever extend or overwrite this function ;)
|
|
this.beforeUpdate();
|
|
|
|
// Absorb the master measurements
|
|
this.maxWidth = maxWidth;
|
|
this.maxHeight = maxHeight;
|
|
this.margins = margins;
|
|
|
|
// Dimensions
|
|
this.beforeSetDimensions();
|
|
this.setDimensions();
|
|
this.afterSetDimensions();
|
|
// Ticks
|
|
this.beforeBuildTicks();
|
|
this.buildTicks();
|
|
this.afterBuildTicks();
|
|
// Tick Rotation
|
|
this.beforeCalculateTickRotation();
|
|
this.calculateTickRotation();
|
|
this.afterCalculateTickRotation();
|
|
// Fit
|
|
this.beforeFit();
|
|
this.fit();
|
|
this.afterFit();
|
|
//
|
|
this.afterUpdate();
|
|
|
|
return this.minSize;
|
|
|
|
},
|
|
afterUpdate: helpers.noop,
|
|
|
|
//
|
|
|
|
beforeSetDimensions: helpers.noop,
|
|
setDimensions: function() {
|
|
// Set the unconstrained dimension before label rotation
|
|
if (this.isHorizontal()) {
|
|
this.width = this.maxWidth;
|
|
} else {
|
|
this.height = this.maxHeight;
|
|
}
|
|
},
|
|
afterSetDimensions: helpers.noop,
|
|
|
|
//
|
|
|
|
beforeBuildTicks: helpers.noop,
|
|
buildTicks: helpers.noop,
|
|
afterBuildTicks: helpers.noop,
|
|
|
|
//
|
|
|
|
beforeCalculateTickRotation: helpers.noop,
|
|
calculateTickRotation: function() {
|
|
//Get the width of each grid by calculating the difference
|
|
//between x offsets between 0 and 1.
|
|
var labelFont = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);
|
|
this.ctx.font = labelFont;
|
|
|
|
var firstWidth = this.ctx.measureText(this.ticks[0]).width;
|
|
var lastWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;
|
|
var firstRotated;
|
|
var lastRotated;
|
|
|
|
this.paddingRight = lastWidth / 2 + 3;
|
|
this.paddingLeft = firstWidth / 2 + 3;
|
|
|
|
this.labelRotation = 0;
|
|
|
|
if (this.options.display && this.isHorizontal()) {
|
|
var originalLabelWidth = helpers.longestText(this.ctx, labelFont, this.ticks);
|
|
var cosRotation;
|
|
var sinRotation;
|
|
var firstRotatedWidth;
|
|
|
|
this.labelWidth = originalLabelWidth;
|
|
|
|
// Allow 3 pixels x2 padding either side for label readability
|
|
// only the index matters for a dataset scale, but we want a consistent interface between scales
|
|
|
|
var tickWidth = this.getPixelForTick(1) - this.getPixelForTick(0) - 6;
|
|
|
|
//Max label rotation can be set or default to 90 - also act as a loop counter
|
|
while (this.labelWidth > tickWidth && this.labelRotation <= this.options.ticks.maxRotation) {
|
|
cosRotation = Math.cos(helpers.toRadians(this.labelRotation));
|
|
sinRotation = Math.sin(helpers.toRadians(this.labelRotation));
|
|
|
|
firstRotated = cosRotation * firstWidth;
|
|
lastRotated = cosRotation * lastWidth;
|
|
|
|
// We're right aligning the text now.
|
|
if (firstRotated + this.options.ticks.fontSize / 2 > this.yLabelWidth) {
|
|
this.paddingLeft = firstRotated + this.options.ticks.fontSize / 2;
|
|
}
|
|
|
|
this.paddingRight = this.options.ticks.fontSize / 2;
|
|
|
|
if (sinRotation * originalLabelWidth > this.maxHeight) {
|
|
// go back one step
|
|
this.labelRotation--;
|
|
break;
|
|
}
|
|
|
|
this.labelRotation++;
|
|
this.labelWidth = cosRotation * originalLabelWidth;
|
|
|
|
}
|
|
} else {
|
|
this.labelWidth = 0;
|
|
this.paddingRight = 0;
|
|
this.paddingLeft = 0;
|
|
}
|
|
|
|
if (this.margins) {
|
|
this.paddingLeft -= this.margins.left;
|
|
this.paddingRight -= this.margins.right;
|
|
|
|
this.paddingLeft = Math.max(this.paddingLeft, 0);
|
|
this.paddingRight = Math.max(this.paddingRight, 0);
|
|
}
|
|
},
|
|
afterCalculateTickRotation: helpers.noop,
|
|
|
|
//
|
|
|
|
beforeFit: helpers.noop,
|
|
fit: function() {
|
|
|
|
this.minSize = {
|
|
width: 0,
|
|
height: 0,
|
|
};
|
|
|
|
// Width
|
|
if (this.isHorizontal()) {
|
|
this.minSize.width = this.maxWidth; // fill all the width
|
|
} else {
|
|
this.minSize.width = this.options.gridLines.show && this.options.display ? 10 : 0;
|
|
}
|
|
|
|
// height
|
|
if (this.isHorizontal()) {
|
|
this.minSize.height = this.options.gridLines.show && this.options.display ? 10 : 0;
|
|
} else {
|
|
this.minSize.height = this.maxHeight; // fill all the height
|
|
}
|
|
|
|
this.paddingLeft = 0;
|
|
this.paddingRight = 0;
|
|
this.paddingTop = 0;
|
|
this.paddingBottom = 0;
|
|
|
|
if (this.options.ticks.show && this.options.display) {
|
|
// Don't bother fitting the ticks if we are not showing them
|
|
var labelFont = helpers.fontString(this.options.ticks.fontSize,
|
|
this.options.ticks.fontStyle, this.options.ticks.fontFamily);
|
|
|
|
if (this.isHorizontal()) {
|
|
// A horizontal axis is more constrained by the height.
|
|
var maxLabelHeight = this.maxHeight - this.minSize.height;
|
|
var labelHeight = 1.5 * this.options.ticks.fontSize;
|
|
this.minSize.height = Math.min(this.maxHeight, this.minSize.height + labelHeight);
|
|
|
|
labelFont = helpers.fontString(this.options.ticks.fontSize, this.options.ticks.fontStyle, this.options.ticks.fontFamily);
|
|
this.ctx.font = labelFont;
|
|
|
|
var firstLabelWidth = this.ctx.measureText(this.ticks[0]).width;
|
|
var lastLabelWidth = this.ctx.measureText(this.ticks[this.ticks.length - 1]).width;
|
|
|
|
// Ensure that our ticks are always inside the canvas
|
|
this.paddingLeft = firstLabelWidth / 2;
|
|
this.paddingRight = lastLabelWidth / 2;
|
|
} else {
|
|
// A vertical axis is more constrained by the width. Labels are the dominant factor here, so get that length first
|
|
var maxLabelWidth = this.maxWidth - this.minSize.width;
|
|
var largestTextWidth = helpers.longestText(this.ctx, labelFont, this.ticks);
|
|
|
|
if (largestTextWidth < maxLabelWidth) {
|
|
// We don't need all the room
|
|
this.minSize.width += largestTextWidth;
|
|
} else {
|
|
// Expand to max size
|
|
this.minSize.width = this.maxWidth;
|
|
}
|
|
|
|
this.paddingTop = this.options.ticks.fontSize / 2;
|
|
this.paddingBottom = this.options.ticks.fontSize / 2;
|
|
}
|
|
}
|
|
|
|
if (this.margins) {
|
|
this.paddingLeft -= this.margins.left;
|
|
this.paddingTop -= this.margins.top;
|
|
this.paddingRight -= this.margins.right;
|
|
this.paddingBottom -= this.margins.bottom;
|
|
|
|
this.paddingLeft = Math.max(this.paddingLeft, 0);
|
|
this.paddingTop = Math.max(this.paddingTop, 0);
|
|
this.paddingRight = Math.max(this.paddingRight, 0);
|
|
this.paddingBottom = Math.max(this.paddingBottom, 0);
|
|
}
|
|
|
|
this.width = this.minSize.width;
|
|
this.height = this.minSize.height;
|
|
|
|
},
|
|
afterFit: helpers.noop,
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// Shared Methods
|
|
isHorizontal: function() {
|
|
return this.options.position == "top" || this.options.position == "bottom";
|
|
},
|
|
|
|
// Used to get data value locations. Value can either be an index or a numerical value
|
|
getPixelForValue: helpers.noop,
|
|
|
|
// Used for tick location, should
|
|
getPixelForTick: function(index, includeOffset) {
|
|
if (this.isHorizontal()) {
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
var tickWidth = innerWidth / Math.max((this.ticks.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
|
|
var pixel = (tickWidth * index) + this.paddingLeft;
|
|
|
|
if (includeOffset) {
|
|
pixel += tickWidth / 2;
|
|
}
|
|
return this.left + Math.round(pixel);
|
|
} else {
|
|
var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
|
|
return this.top + (index * (innerHeight / (this.ticks.length - 1)));
|
|
}
|
|
},
|
|
|
|
// Utility for getting the pixel location of a percentage of scale
|
|
getPixelForDecimal: function(decimal, includeOffset) {
|
|
if (this.isHorizontal()) {
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
var valueOffset = (innerWidth * decimal) + this.paddingLeft;
|
|
|
|
return this.left + Math.round(valueOffset);
|
|
} else {
|
|
return this.top + (decimal * (this.height / this.ticks.length));
|
|
}
|
|
},
|
|
|
|
// Actualy draw the scale on the canvas
|
|
// @param {rectangle} chartArea : the area of the chart to draw full grid lines on
|
|
draw: function(chartArea) {
|
|
if (this.options.display) {
|
|
|
|
var setContextLineSettings;
|
|
var isRotated;
|
|
var skipRatio;
|
|
var scaleLabelX;
|
|
var scaleLabelY;
|
|
|
|
// Make sure we draw text in the correct color
|
|
this.ctx.fillStyle = this.options.ticks.fontColor;
|
|
|
|
if (this.isHorizontal()) {
|
|
setContextLineSettings = true;
|
|
var yTickStart = this.options.position == "bottom" ? this.top : this.bottom - 10;
|
|
var yTickEnd = this.options.position == "bottom" ? this.top + 10 : this.bottom;
|
|
isRotated = this.labelRotation !== 0;
|
|
skipRatio = false;
|
|
|
|
if ((this.options.ticks.fontSize + 4) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) {
|
|
skipRatio = 1 + Math.floor(((this.options.ticks.fontSize + 4) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight)));
|
|
}
|
|
|
|
helpers.each(this.ticks, function(label, index) {
|
|
// Blank ticks
|
|
if ((skipRatio > 1 && index % skipRatio > 0) || (label === undefined || label === null)) {
|
|
return;
|
|
}
|
|
var xLineValue = this.getPixelForTick(index); // xvalues for grid lines
|
|
var xLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)
|
|
|
|
if (this.options.gridLines.show) {
|
|
if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
|
|
// Draw the first index specially
|
|
this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
|
|
this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
|
|
setContextLineSettings = true; // reset next time
|
|
} else if (setContextLineSettings) {
|
|
this.ctx.lineWidth = this.options.gridLines.lineWidth;
|
|
this.ctx.strokeStyle = this.options.gridLines.color;
|
|
setContextLineSettings = false;
|
|
}
|
|
|
|
xLineValue += helpers.aliasPixel(this.ctx.lineWidth);
|
|
|
|
// Draw the label area
|
|
this.ctx.beginPath();
|
|
|
|
if (this.options.gridLines.drawTicks) {
|
|
this.ctx.moveTo(xLineValue, yTickStart);
|
|
this.ctx.lineTo(xLineValue, yTickEnd);
|
|
}
|
|
|
|
// Draw the chart area
|
|
if (this.options.gridLines.drawOnChartArea) {
|
|
this.ctx.moveTo(xLineValue, chartArea.top);
|
|
this.ctx.lineTo(xLineValue, chartArea.bottom);
|
|
}
|
|
|
|
// Need to stroke in the loop because we are potentially changing line widths & colours
|
|
this.ctx.stroke();
|
|
}
|
|
|
|
if (this.options.ticks.show) {
|
|
this.ctx.save();
|
|
this.ctx.translate(xLabelValue, (isRotated) ? this.top + 12 : this.top + 8);
|
|
this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
|
|
this.ctx.font = this.font;
|
|
this.ctx.textAlign = (isRotated) ? "right" : "center";
|
|
this.ctx.textBaseline = (isRotated) ? "middle" : "top";
|
|
this.ctx.fillText(label, 0, 0);
|
|
this.ctx.restore();
|
|
}
|
|
}, this);
|
|
|
|
if (this.options.scaleLabel.show) {
|
|
// Draw the scale label
|
|
this.ctx.textAlign = "center";
|
|
this.ctx.textBaseline = 'middle';
|
|
this.ctx.font = helpers.fontString(this.options.scaleLabel.fontSize, this.options.scaleLabel.fontStyle, this.options.scaleLabel.fontFamily);
|
|
|
|
scaleLabelX = this.left + ((this.right - this.left) / 2); // midpoint of the width
|
|
scaleLabelY = this.options.position == 'bottom' ? this.bottom - (this.options.scaleLabel.fontSize / 2) : this.top + (this.options.scaleLabel.fontSize / 2);
|
|
|
|
this.ctx.fillText(this.options.scaleLabel.labelString, scaleLabelX, scaleLabelY);
|
|
}
|
|
|
|
} else {
|
|
setContextLineSettings = true;
|
|
var xTickStart = this.options.position == "left" ? this.right : this.left - 10;
|
|
var xTickEnd = this.options.position == "left" ? this.right + 10 : this.left;
|
|
isRotated = this.labelRotation !== 0;
|
|
//skipRatio = false;
|
|
|
|
// if ((this.options.ticks.fontSize + 4) * this.ticks.length > (this.width - (this.paddingLeft + this.paddingRight))) {
|
|
// skipRatio = 1 + Math.floor(((this.options.ticks.fontSize + 4) * this.ticks.length) / (this.width - (this.paddingLeft + this.paddingRight)));
|
|
// }
|
|
|
|
helpers.each(this.ticks, function(label, index) {
|
|
// Blank ticks
|
|
// if ((skipRatio > 1 && index % skipRatio > 0) || (label === undefined || label === null)) {
|
|
// return;
|
|
// }
|
|
var yLineValue = this.getPixelForTick(index); // xvalues for grid lines
|
|
var yLabelValue = this.getPixelForTick(index, this.options.gridLines.offsetGridLines); // x values for ticks (need to consider offsetLabel option)
|
|
var xLabelValue = this.left + (this.width / 2);
|
|
|
|
if (this.options.gridLines.show) {
|
|
if (index === (typeof this.zeroLineIndex !== 'undefined' ? this.zeroLineIndex : 0)) {
|
|
// Draw the first index specially
|
|
this.ctx.lineWidth = this.options.gridLines.zeroLineWidth;
|
|
this.ctx.strokeStyle = this.options.gridLines.zeroLineColor;
|
|
setContextLineSettings = true; // reset next time
|
|
} else if (setContextLineSettings) {
|
|
this.ctx.lineWidth = this.options.gridLines.lineWidth;
|
|
this.ctx.strokeStyle = this.options.gridLines.color;
|
|
setContextLineSettings = false;
|
|
}
|
|
|
|
yLineValue += helpers.aliasPixel(this.ctx.lineWidth);
|
|
|
|
// Draw the label area
|
|
this.ctx.beginPath();
|
|
|
|
if (this.options.gridLines.drawTicks) {
|
|
this.ctx.moveTo(xTickStart, yLineValue);
|
|
this.ctx.lineTo(xTickEnd, yLineValue);
|
|
}
|
|
|
|
// Draw the chart area
|
|
if (this.options.gridLines.drawOnChartArea) {
|
|
this.ctx.moveTo(chartArea.left, yLineValue);
|
|
this.ctx.lineTo(chartArea.right, yLineValue);
|
|
}
|
|
|
|
// Need to stroke in the loop because we are potentially changing line widths & colours
|
|
this.ctx.stroke();
|
|
}
|
|
|
|
if (this.options.ticks.show) {
|
|
this.ctx.save();
|
|
this.ctx.translate(xLabelValue, yLabelValue);
|
|
this.ctx.rotate(helpers.toRadians(this.labelRotation) * -1);
|
|
this.ctx.font = this.font;
|
|
this.ctx.textAlign = 'center';
|
|
this.ctx.textBaseline = "middle";
|
|
this.ctx.fillText(label, 0, 0);
|
|
this.ctx.restore();
|
|
}
|
|
}, this);
|
|
|
|
if (this.options.scaleLabel.show) {
|
|
// Draw the scale label
|
|
scaleLabelX = this.options.position == 'left' ? this.left + (this.options.scaleLabel.fontSize / 2) : this.right - (this.options.scaleLabel.fontSize / 2);
|
|
scaleLabelY = this.top + ((this.bottom - this.top) / 2);
|
|
var rotation = this.options.position == 'left' ? -0.5 * Math.PI : 0.5 * Math.PI;
|
|
|
|
this.ctx.save();
|
|
this.ctx.translate(scaleLabelX, scaleLabelY);
|
|
this.ctx.rotate(rotation);
|
|
this.ctx.textAlign = "center";
|
|
this.ctx.font = helpers.fontString(this.options.scaleLabel.fontSize, this.options.scaleLabel.fontStyle, this.options.scaleLabel.fontFamily);
|
|
this.ctx.textBaseline = 'middle';
|
|
this.ctx.fillText(this.options.scaleLabel.labelString, 0, 0);
|
|
this.ctx.restore();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
// The scale service is used to resize charts along with all of their axes. We make this as
|
|
// a service where scales are registered with their respective charts so that changing the
|
|
// scales does not require
|
|
Chart.scaleService = {
|
|
// Scale registration object. Extensions can register new scale types (such as log or DB scales) and then
|
|
// use the new chart options to grab the correct scale
|
|
constructors: {},
|
|
// Use a registration function so that we can move to an ES6 map when we no longer need to support
|
|
// old browsers
|
|
|
|
// Scale config defaults
|
|
defaults: {},
|
|
registerScaleType: function(type, scaleConstructor, defaults) {
|
|
this.constructors[type] = scaleConstructor;
|
|
this.defaults[type] = helpers.extendDeep({}, Chart.defaults.scale, defaults);
|
|
},
|
|
getScaleConstructor: function(type) {
|
|
return this.constructors.hasOwnProperty(type) ? this.constructors[type] : undefined;
|
|
},
|
|
getScaleDefaults: function(type) {
|
|
return this.defaults.hasOwnProperty(type) ? this.defaults[type] : {};
|
|
},
|
|
// The interesting function
|
|
update: function(chartInstance, width, height) {
|
|
var xPadding = width > 30 ? 5 : 2;
|
|
var yPadding = height > 30 ? 5 : 2;
|
|
|
|
if (chartInstance) {
|
|
var leftScales = helpers.where(chartInstance.scales, function(scaleInstance) {
|
|
return scaleInstance.options.position == "left";
|
|
});
|
|
var rightScales = helpers.where(chartInstance.scales, function(scaleInstance) {
|
|
return scaleInstance.options.position == "right";
|
|
});
|
|
var topScales = helpers.where(chartInstance.scales, function(scaleInstance) {
|
|
return scaleInstance.options.position == "top";
|
|
});
|
|
var bottomScales = helpers.where(chartInstance.scales, function(scaleInstance) {
|
|
return scaleInstance.options.position == "bottom";
|
|
});
|
|
|
|
// Essentially we now have any number of scales 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
|
|
// |------------------------------------------------------|
|
|
// | | T1 | |
|
|
// |----|-----|-------------------------------------|-----|
|
|
// | | | | |
|
|
// | L1 | L2 | Chart area | R1 |
|
|
// | | | | |
|
|
// | | | | |
|
|
// |----|-----|-------------------------------------|-----|
|
|
// | | B1 | |
|
|
// | | | |
|
|
// |------------------------------------------------------|
|
|
|
|
// 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 scale the maximum size it can be. The scale 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
|
|
|
|
// Step 1
|
|
var chartWidth = width / 2; // min 50%
|
|
var chartHeight = height / 2; // min 50%
|
|
|
|
chartWidth -= (2 * xPadding);
|
|
chartHeight -= (2 * yPadding);
|
|
|
|
// Step 2
|
|
var verticalScaleWidth = (width - chartWidth) / (leftScales.length + rightScales.length);
|
|
|
|
// Step 3
|
|
var horizontalScaleHeight = (height - chartHeight) / (topScales.length + bottomScales.length);
|
|
|
|
// Step 4;
|
|
var minimumScaleSizes = [];
|
|
|
|
var verticalScaleMinSizeFunction = function(scaleInstance) {
|
|
var minSize = scaleInstance.update(verticalScaleWidth, chartHeight);
|
|
minimumScaleSizes.push({
|
|
horizontal: false,
|
|
minSize: minSize,
|
|
scale: scaleInstance,
|
|
});
|
|
};
|
|
|
|
var horizontalScaleMinSizeFunction = function(scaleInstance) {
|
|
var minSize = scaleInstance.update(chartWidth, horizontalScaleHeight);
|
|
minimumScaleSizes.push({
|
|
horizontal: true,
|
|
minSize: minSize,
|
|
scale: scaleInstance,
|
|
});
|
|
};
|
|
|
|
// vertical scales
|
|
helpers.each(leftScales, verticalScaleMinSizeFunction);
|
|
helpers.each(rightScales, verticalScaleMinSizeFunction);
|
|
|
|
// horizontal scales
|
|
helpers.each(topScales, horizontalScaleMinSizeFunction);
|
|
helpers.each(bottomScales, horizontalScaleMinSizeFunction);
|
|
|
|
// Step 5
|
|
var maxChartHeight = height - (2 * yPadding);
|
|
var maxChartWidth = width - (2 * xPadding);
|
|
|
|
helpers.each(minimumScaleSizes, function(wrapper) {
|
|
if (wrapper.horizontal) {
|
|
maxChartHeight -= wrapper.minSize.height;
|
|
} else {
|
|
maxChartWidth -= wrapper.minSize.width;
|
|
}
|
|
});
|
|
|
|
// At this point, maxChartHeight and maxChartWidth are the size the chart area could
|
|
// be if the axes are drawn at their minimum sizes.
|
|
|
|
// Step 6
|
|
var verticalScaleFitFunction = function(scaleInstance) {
|
|
var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) {
|
|
return wrapper.scale === scaleInstance;
|
|
});
|
|
|
|
if (wrapper) {
|
|
scaleInstance.update(wrapper.minSize.width, maxChartHeight);
|
|
}
|
|
};
|
|
|
|
var horizontalScaleFitFunction = function(scaleInstance) {
|
|
var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) {
|
|
return wrapper.scale === scaleInstance;
|
|
});
|
|
|
|
var scaleMargin = {
|
|
left: totalLeftWidth,
|
|
right: totalRightWidth,
|
|
top: 0,
|
|
bottom: 0,
|
|
};
|
|
|
|
if (wrapper) {
|
|
scaleInstance.update(maxChartWidth, wrapper.minSize.height, scaleMargin);
|
|
}
|
|
};
|
|
|
|
var totalLeftWidth = xPadding;
|
|
var totalRightWidth = xPadding;
|
|
var totalTopHeight = yPadding;
|
|
var totalBottomHeight = yPadding;
|
|
|
|
helpers.each(leftScales, verticalScaleFitFunction);
|
|
helpers.each(rightScales, verticalScaleFitFunction);
|
|
|
|
// Figure out how much margin is on the left and right of the horizontal axes
|
|
helpers.each(leftScales, function(scaleInstance) {
|
|
totalLeftWidth += scaleInstance.width;
|
|
});
|
|
|
|
helpers.each(rightScales, function(scaleInstance) {
|
|
totalRightWidth += scaleInstance.width;
|
|
});
|
|
|
|
helpers.each(topScales, horizontalScaleFitFunction);
|
|
helpers.each(bottomScales, horizontalScaleFitFunction);
|
|
|
|
helpers.each(topScales, function(scaleInstance) {
|
|
totalTopHeight += scaleInstance.height;
|
|
});
|
|
helpers.each(bottomScales, function(scaleInstance) {
|
|
totalBottomHeight += scaleInstance.height;
|
|
});
|
|
|
|
// Let the left scale know the final margin
|
|
helpers.each(leftScales, function(scaleInstance) {
|
|
var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) {
|
|
return wrapper.scale === scaleInstance;
|
|
});
|
|
|
|
var scaleMargin = {
|
|
left: 0,
|
|
right: 0,
|
|
top: totalTopHeight,
|
|
bottom: totalBottomHeight
|
|
};
|
|
|
|
if (wrapper) {
|
|
scaleInstance.update(wrapper.minSize.width, maxChartHeight, scaleMargin);
|
|
}
|
|
});
|
|
|
|
helpers.each(rightScales, function(scaleInstance) {
|
|
var wrapper = helpers.findNextWhere(minimumScaleSizes, function(wrapper) {
|
|
return wrapper.scale === scaleInstance;
|
|
});
|
|
|
|
var scaleMargin = {
|
|
left: 0,
|
|
right: 0,
|
|
top: totalTopHeight,
|
|
bottom: totalBottomHeight
|
|
};
|
|
|
|
if (wrapper) {
|
|
scaleInstance.update(wrapper.minSize.width, maxChartHeight, scaleMargin);
|
|
}
|
|
});
|
|
|
|
// Recalculate because the size of each scale might have changed slightly due to the margins (label rotation for instance)
|
|
totalLeftWidth = xPadding;
|
|
totalRightWidth = xPadding;
|
|
totalTopHeight = yPadding;
|
|
totalBottomHeight = yPadding;
|
|
|
|
helpers.each(leftScales, function(scaleInstance) {
|
|
totalLeftWidth += scaleInstance.width;
|
|
});
|
|
|
|
helpers.each(rightScales, function(scaleInstance) {
|
|
totalRightWidth += scaleInstance.width;
|
|
});
|
|
|
|
helpers.each(topScales, function(scaleInstance) {
|
|
totalTopHeight += scaleInstance.height;
|
|
});
|
|
helpers.each(bottomScales, function(scaleInstance) {
|
|
totalBottomHeight += scaleInstance.height;
|
|
});
|
|
|
|
// Figure out if our chart area changed. This would occur if the dataset scale 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 newMaxChartHeight = height - totalTopHeight - totalBottomHeight;
|
|
var newMaxChartWidth = width - totalLeftWidth - totalRightWidth;
|
|
|
|
if (newMaxChartWidth !== maxChartWidth || newMaxChartHeight !== maxChartHeight) {
|
|
helpers.each(leftScales, function(scale) {
|
|
scale.height = newMaxChartHeight;
|
|
});
|
|
|
|
helpers.each(rightScales, function(scale) {
|
|
scale.height = newMaxChartHeight;
|
|
});
|
|
|
|
helpers.each(topScales, function(scale) {
|
|
scale.width = newMaxChartWidth;
|
|
});
|
|
|
|
helpers.each(bottomScales, function(scale) {
|
|
scale.width = newMaxChartWidth;
|
|
});
|
|
|
|
maxChartHeight = newMaxChartHeight;
|
|
maxChartWidth = newMaxChartWidth;
|
|
}
|
|
|
|
// Step 7
|
|
// Position the scales
|
|
var left = xPadding;
|
|
var top = yPadding;
|
|
var right = 0;
|
|
var bottom = 0;
|
|
|
|
var verticalScalePlacer = function(scaleInstance) {
|
|
scaleInstance.left = left;
|
|
scaleInstance.right = left + scaleInstance.width;
|
|
scaleInstance.top = totalTopHeight;
|
|
scaleInstance.bottom = totalTopHeight + maxChartHeight;
|
|
|
|
// Move to next point
|
|
left = scaleInstance.right;
|
|
};
|
|
|
|
var horizontalScalePlacer = function(scaleInstance) {
|
|
scaleInstance.left = totalLeftWidth;
|
|
scaleInstance.right = totalLeftWidth + maxChartWidth;
|
|
scaleInstance.top = top;
|
|
scaleInstance.bottom = top + scaleInstance.height;
|
|
|
|
// Move to next point
|
|
top = scaleInstance.bottom;
|
|
};
|
|
|
|
helpers.each(leftScales, verticalScalePlacer);
|
|
helpers.each(topScales, horizontalScalePlacer);
|
|
|
|
// Account for chart width and height
|
|
left += maxChartWidth;
|
|
top += maxChartHeight;
|
|
|
|
helpers.each(rightScales, verticalScalePlacer);
|
|
helpers.each(bottomScales, horizontalScalePlacer);
|
|
|
|
// Step 8
|
|
chartInstance.chartArea = {
|
|
left: totalLeftWidth,
|
|
top: totalTopHeight,
|
|
right: totalLeftWidth + maxChartWidth,
|
|
bottom: totalTopHeight + maxChartHeight,
|
|
};
|
|
}
|
|
}
|
|
};
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.tooltips = {
|
|
enabled: true,
|
|
custom: null,
|
|
backgroundColor: "rgba(0,0,0,0.8)",
|
|
fontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
|
|
fontSize: 10,
|
|
fontStyle: "normal",
|
|
fontColor: "#fff",
|
|
titleFontFamily: "'Helvetica Neue', 'Helvetica', 'Arial', sans-serif",
|
|
titleFontSize: 12,
|
|
titleFontStyle: "bold",
|
|
titleFontColor: "#fff",
|
|
yPadding: 6,
|
|
xPadding: 6,
|
|
caretSize: 8,
|
|
cornerRadius: 6,
|
|
xOffset: 10,
|
|
template: [
|
|
'<% if(label){ %>',
|
|
'<%=label %>: ',
|
|
'<% } %>',
|
|
'<%=value %>',
|
|
].join(''),
|
|
multiTemplate: [
|
|
'<%if (datasetLabel){ %>',
|
|
'<%=datasetLabel %>: ',
|
|
'<% } %>',
|
|
'<%=value %>'
|
|
].join(''),
|
|
multiKeyBackground: '#fff',
|
|
};
|
|
|
|
Chart.Tooltip = Chart.Element.extend({
|
|
initialize: function() {
|
|
var options = this._options;
|
|
helpers.extend(this, {
|
|
_model: {
|
|
// Positioning
|
|
xPadding: options.tooltips.xPadding,
|
|
yPadding: options.tooltips.yPadding,
|
|
xOffset: options.tooltips.xOffset,
|
|
|
|
// Labels
|
|
textColor: options.tooltips.fontColor,
|
|
_fontFamily: options.tooltips.fontFamily,
|
|
_fontStyle: options.tooltips.fontStyle,
|
|
fontSize: options.tooltips.fontSize,
|
|
|
|
// Title
|
|
titleTextColor: options.tooltips.titleFontColor,
|
|
_titleFontFamily: options.tooltips.titleFontFamily,
|
|
_titleFontStyle: options.tooltips.titleFontStyle,
|
|
titleFontSize: options.tooltips.titleFontSize,
|
|
|
|
// Appearance
|
|
caretHeight: options.tooltips.caretSize,
|
|
cornerRadius: options.tooltips.cornerRadius,
|
|
backgroundColor: options.tooltips.backgroundColor,
|
|
opacity: 0,
|
|
legendColorBackground: options.tooltips.multiKeyBackground,
|
|
},
|
|
});
|
|
},
|
|
update: function() {
|
|
|
|
var ctx = this._chart.ctx;
|
|
|
|
switch (this._options.hover.mode) {
|
|
case 'single':
|
|
helpers.extend(this._model, {
|
|
text: helpers.template(this._options.tooltips.template, {
|
|
// These variables are available in the template function. Add others here
|
|
element: this._active[0],
|
|
value: this._data.datasets[this._active[0]._datasetIndex].data[this._active[0]._index],
|
|
label: this._active[0]._model.label !== undefined ? this._active[0]._model.label : this._data.labels ? this._data.labels[this._active[0]._index] : '',
|
|
}),
|
|
});
|
|
|
|
var tooltipPosition = this._active[0].tooltipPosition();
|
|
helpers.extend(this._model, {
|
|
x: Math.round(tooltipPosition.x),
|
|
y: Math.round(tooltipPosition.y),
|
|
caretPadding: tooltipPosition.padding
|
|
});
|
|
|
|
break;
|
|
|
|
case 'label':
|
|
|
|
// Tooltip Content
|
|
|
|
var dataArray,
|
|
dataIndex;
|
|
|
|
var labels = [],
|
|
colors = [];
|
|
|
|
for (var i = this._data.datasets.length - 1; i >= 0; i--) {
|
|
dataArray = this._data.datasets[i].metaData;
|
|
dataIndex = helpers.indexOf(dataArray, this._active[0]);
|
|
if (dataIndex !== -1) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
var medianPosition = (function(index) {
|
|
// Get all the points at that particular index
|
|
var elements = [],
|
|
dataCollection,
|
|
xPositions = [],
|
|
yPositions = [],
|
|
xMax,
|
|
yMax,
|
|
xMin,
|
|
yMin;
|
|
helpers.each(this._data.datasets, function(dataset) {
|
|
dataCollection = dataset.metaData;
|
|
if (dataCollection[dataIndex] && dataCollection[dataIndex].hasValue()) {
|
|
elements.push(dataCollection[dataIndex]);
|
|
}
|
|
}, this);
|
|
|
|
// Reverse labels if stacked
|
|
helpers.each(this._options.stacked ? elements.reverse() : elements, function(element) {
|
|
xPositions.push(element._view.x);
|
|
yPositions.push(element._view.y);
|
|
|
|
//Include any colour information about the element
|
|
labels.push(helpers.template(this._options.tooltips.multiTemplate, {
|
|
// These variables are available in the template function. Add others here
|
|
element: element,
|
|
datasetLabel: this._data.datasets[element._datasetIndex].label,
|
|
value: this._data.datasets[element._datasetIndex].data[element._index],
|
|
}));
|
|
colors.push({
|
|
fill: element._view.backgroundColor,
|
|
stroke: element._view.borderColor
|
|
});
|
|
|
|
}, this);
|
|
|
|
yMin = helpers.min(yPositions);
|
|
yMax = helpers.max(yPositions);
|
|
|
|
xMin = helpers.min(xPositions);
|
|
xMax = helpers.max(xPositions);
|
|
|
|
return {
|
|
x: (xMin > this._chart.width / 2) ? xMin : xMax,
|
|
y: (yMin + yMax) / 2,
|
|
};
|
|
}).call(this, dataIndex);
|
|
|
|
// Apply for now
|
|
helpers.extend(this._model, {
|
|
x: medianPosition.x,
|
|
y: medianPosition.y,
|
|
labels: labels,
|
|
title: (function() {
|
|
return this._data.timeLabels ? this._data.timeLabels[this._active[0]._index] :
|
|
(this._data.labels && this._data.labels.length) ? this._data.labels[this._active[0]._index] :
|
|
'';
|
|
}).call(this),
|
|
legendColors: colors,
|
|
legendBackgroundColor: this._options.tooltips.multiKeyBackground,
|
|
});
|
|
|
|
|
|
// Calculate Appearance Tweaks
|
|
|
|
this._model.height = (labels.length * this._model.fontSize) + ((labels.length - 1) * (this._model.fontSize / 2)) + (this._model.yPadding * 2) + this._model.titleFontSize * 1.5;
|
|
|
|
var titleWidth = ctx.measureText(this._model.title).width,
|
|
//Label has a legend square as well so account for this.
|
|
labelWidth = helpers.longestText(ctx, this.font, labels) + this._model.fontSize + 3,
|
|
longestTextWidth = helpers.max([labelWidth, titleWidth]);
|
|
|
|
this._model.width = longestTextWidth + (this._model.xPadding * 2);
|
|
|
|
|
|
var halfHeight = this._model.height / 2;
|
|
|
|
//Check to ensure the height will fit on the canvas
|
|
if (this._model.y - halfHeight < 0) {
|
|
this._model.y = halfHeight;
|
|
} else if (this._model.y + halfHeight > this._chart.height) {
|
|
this._model.y = this._chart.height - halfHeight;
|
|
}
|
|
|
|
//Decide whether to align left or right based on position on canvas
|
|
if (this._model.x > this._chart.width / 2) {
|
|
this._model.x -= this._model.xOffset + this._model.width;
|
|
} else {
|
|
this._model.x += this._model.xOffset;
|
|
}
|
|
break;
|
|
}
|
|
|
|
return this;
|
|
},
|
|
draw: function() {
|
|
|
|
var ctx = this._chart.ctx;
|
|
var vm = this._view;
|
|
|
|
switch (this._options.hover.mode) {
|
|
case 'single':
|
|
|
|
ctx.font = helpers.fontString(vm.fontSize, vm._fontStyle, vm._fontFamily);
|
|
|
|
vm.xAlign = "center";
|
|
vm.yAlign = "above";
|
|
|
|
//Distance between the actual element.y position and the start of the tooltip caret
|
|
var caretPadding = vm.caretPadding || 2;
|
|
|
|
var tooltipWidth = ctx.measureText(vm.text).width + 2 * vm.xPadding,
|
|
tooltipRectHeight = vm.fontSize + 2 * vm.yPadding,
|
|
tooltipHeight = tooltipRectHeight + vm.caretHeight + caretPadding;
|
|
|
|
if (vm.x + tooltipWidth / 2 > this._chart.width) {
|
|
vm.xAlign = "left";
|
|
} else if (vm.x - tooltipWidth / 2 < 0) {
|
|
vm.xAlign = "right";
|
|
}
|
|
|
|
if (vm.y - tooltipHeight < 0) {
|
|
vm.yAlign = "below";
|
|
}
|
|
|
|
var tooltipX = vm.x - tooltipWidth / 2,
|
|
tooltipY = vm.y - tooltipHeight;
|
|
|
|
ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(vm.opacity).rgbString();
|
|
|
|
// Custom Tooltips
|
|
if (this._options.tooltips.custom) {
|
|
this._options.tooltips.custom(this);
|
|
}
|
|
if (!this._options.tooltips.enabled) {
|
|
return;
|
|
}
|
|
|
|
switch (vm.yAlign) {
|
|
case "above":
|
|
//Draw a caret above the x/y
|
|
ctx.beginPath();
|
|
ctx.moveTo(vm.x, vm.y - caretPadding);
|
|
ctx.lineTo(vm.x + vm.caretHeight, vm.y - (caretPadding + vm.caretHeight));
|
|
ctx.lineTo(vm.x - vm.caretHeight, vm.y - (caretPadding + vm.caretHeight));
|
|
ctx.closePath();
|
|
ctx.fill();
|
|
break;
|
|
case "below":
|
|
tooltipY = vm.y + caretPadding + vm.caretHeight;
|
|
//Draw a caret below the x/y
|
|
ctx.beginPath();
|
|
ctx.moveTo(vm.x, vm.y + caretPadding);
|
|
ctx.lineTo(vm.x + vm.caretHeight, vm.y + caretPadding + vm.caretHeight);
|
|
ctx.lineTo(vm.x - vm.caretHeight, vm.y + caretPadding + vm.caretHeight);
|
|
ctx.closePath();
|
|
ctx.fill();
|
|
break;
|
|
}
|
|
|
|
switch (vm.xAlign) {
|
|
case "left":
|
|
tooltipX = vm.x - tooltipWidth + (vm.cornerRadius + vm.caretHeight);
|
|
break;
|
|
case "right":
|
|
tooltipX = vm.x - (vm.cornerRadius + vm.caretHeight);
|
|
break;
|
|
}
|
|
|
|
helpers.drawRoundedRectangle(ctx, tooltipX, tooltipY, tooltipWidth, tooltipRectHeight, vm.cornerRadius);
|
|
|
|
ctx.fill();
|
|
|
|
ctx.fillStyle = helpers.color(vm.textColor).alpha(vm.opacity).rgbString();
|
|
ctx.textAlign = "center";
|
|
ctx.textBaseline = "middle";
|
|
ctx.fillText(vm.text, tooltipX + tooltipWidth / 2, tooltipY + tooltipRectHeight / 2);
|
|
break;
|
|
case 'label':
|
|
|
|
// Custom Tooltips
|
|
if (this._options.tooltips.custom) {
|
|
this._options.tooltips.custom(this);
|
|
}
|
|
if (!this._options.tooltips.enabled) {
|
|
return;
|
|
}
|
|
|
|
helpers.drawRoundedRectangle(ctx, vm.x, vm.y - vm.height / 2, vm.width, vm.height, vm.cornerRadius);
|
|
ctx.fillStyle = helpers.color(vm.backgroundColor).alpha(vm.opacity).rgbString();
|
|
ctx.fill();
|
|
ctx.closePath();
|
|
|
|
ctx.textAlign = "left";
|
|
ctx.textBaseline = "middle";
|
|
ctx.fillStyle = helpers.color(vm.titleTextColor).alpha(vm.opacity).rgbString();
|
|
ctx.font = helpers.fontString(vm.fontSize, vm._titleFontStyle, vm._titleFontFamily);
|
|
ctx.fillText(vm.title, vm.x + vm.xPadding, this.getLineHeight(0));
|
|
|
|
ctx.font = helpers.fontString(vm.fontSize, vm._fontStyle, vm._fontFamily);
|
|
helpers.each(vm.labels, function(label, index) {
|
|
ctx.fillStyle = helpers.color(vm.textColor).alpha(vm.opacity).rgbString();
|
|
ctx.fillText(label, vm.x + vm.xPadding + vm.fontSize + 3, this.getLineHeight(index + 1));
|
|
|
|
//A bit gnarly, but clearing this rectangle breaks when using explorercanvas (clears whole canvas)
|
|
//ctx.clearRect(vm.x + vm.xPadding, this.getLineHeight(index + 1) - vm.fontSize/2, vm.fontSize, vm.fontSize);
|
|
//Instead we'll make a white filled block to put the legendColour palette over.
|
|
|
|
ctx.fillStyle = helpers.color(vm.legendColors[index].stroke).alpha(vm.opacity).rgbString();
|
|
ctx.fillRect(vm.x + vm.xPadding - 1, this.getLineHeight(index + 1) - vm.fontSize / 2 - 1, vm.fontSize + 2, vm.fontSize + 2);
|
|
|
|
ctx.fillStyle = helpers.color(vm.legendColors[index].fill).alpha(vm.opacity).rgbString();
|
|
ctx.fillRect(vm.x + vm.xPadding, this.getLineHeight(index + 1) - vm.fontSize / 2, vm.fontSize, vm.fontSize);
|
|
|
|
|
|
}, this);
|
|
break;
|
|
}
|
|
},
|
|
getLineHeight: function(index) {
|
|
var baseLineHeight = this._view.y - (this._view.height / 2) + this._view.yPadding,
|
|
afterTitleIndex = index - 1;
|
|
|
|
//If the index is zero, we're getting the title
|
|
if (index === 0) {
|
|
return baseLineHeight + this._view.titleFontSize / 2;
|
|
} else {
|
|
return baseLineHeight + ((this._view.fontSize * 1.5 * afterTitleIndex) + this._view.fontSize / 2) + this._view.titleFontSize * 1.5;
|
|
}
|
|
|
|
},
|
|
});
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.bar = {
|
|
hover: {
|
|
mode: "label"
|
|
},
|
|
|
|
scales: {
|
|
xAxes: [{
|
|
type: "category",
|
|
|
|
// Specific to Bar Controller
|
|
categoryPercentage: 0.8,
|
|
barPercentage: 0.9,
|
|
|
|
// grid line settings
|
|
gridLines: {
|
|
offsetGridLines: true,
|
|
},
|
|
}],
|
|
yAxes: [{
|
|
type: "linear",
|
|
}],
|
|
},
|
|
};
|
|
|
|
Chart.controllers.bar = function(chart, datasetIndex) {
|
|
this.initialize.call(this, chart, datasetIndex);
|
|
};
|
|
|
|
helpers.extend(Chart.controllers.bar.prototype, {
|
|
|
|
initialize: function(chart, datasetIndex) {
|
|
this.chart = chart;
|
|
this.index = datasetIndex;
|
|
this.linkScales();
|
|
this.addElements();
|
|
},
|
|
updateIndex: function(datasetIndex) {
|
|
this.index = datasetIndex;
|
|
},
|
|
linkScales: function() {
|
|
if (!this.getDataset().xAxisID) {
|
|
this.getDataset().xAxisID = this.chart.options.scales.xAxes[0].id;
|
|
}
|
|
|
|
if (!this.getDataset().yAxisID) {
|
|
this.getDataset().yAxisID = this.chart.options.scales.yAxes[0].id;
|
|
}
|
|
},
|
|
|
|
getDataset: function() {
|
|
return this.chart.data.datasets[this.index];
|
|
},
|
|
|
|
getScaleForID: function(scaleID) {
|
|
return this.chart.scales[scaleID];
|
|
},
|
|
|
|
// Get the number of datasets that display bars. We use this to correctly calculate the bar width
|
|
getBarCount: function getBarCount() {
|
|
var barCount = 0;
|
|
|
|
helpers.each(this.chart.data.datasets, function(dataset) {
|
|
if (dataset.type === 'bar') {
|
|
++barCount;
|
|
} else if (dataset.type === undefined && this.chart.config.type === 'bar') {
|
|
++barCount;
|
|
}
|
|
}, this);
|
|
|
|
return barCount;
|
|
},
|
|
|
|
addElements: function() {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
helpers.each(this.getDataset().data, function(value, index) {
|
|
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Rectangle({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
}, this);
|
|
},
|
|
addElementAndReset: function(index) {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
var rectangle = new Chart.elements.Rectangle({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
|
|
var numBars = this.getBarCount();
|
|
|
|
this.updateElement(rectangle, index, true, numBars);
|
|
this.getDataset().metaData.splice(index, 0, rectangle);
|
|
},
|
|
|
|
removeElement: function(index) {
|
|
this.getDataset().metaData.splice(index, 1);
|
|
},
|
|
|
|
reset: function() {
|
|
this.update(true);
|
|
},
|
|
|
|
buildOrUpdateElements: function buildOrUpdateElements() {
|
|
var numData = this.getDataset().data.length;
|
|
var numRectangles = this.getDataset().metaData.length;
|
|
|
|
// Make sure that we handle number of datapoints changing
|
|
if (numData < numRectangles) {
|
|
// Remove excess bars for data points that have been removed
|
|
this.getDataset().metaData.splice(numData, numRectangles - numData);
|
|
} else if (numData > numRectangles) {
|
|
// Add new elements
|
|
for (var index = numRectangles; index < numData; ++index) {
|
|
this.addElementAndReset(index);
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(reset) {
|
|
var numBars = this.getBarCount();
|
|
|
|
helpers.each(this.getDataset().metaData, function(rectangle, index) {
|
|
this.updateElement(rectangle, index, reset, numBars);
|
|
}, this);
|
|
},
|
|
|
|
updateElement: function updateElement(rectangle, index, reset, numBars) {
|
|
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
var yScale = this.getScaleForID(this.getDataset().yAxisID);
|
|
|
|
var yScalePoint;
|
|
|
|
if (yScale.min < 0 && yScale.max < 0) {
|
|
// all less than 0. use the top
|
|
yScalePoint = yScale.getPixelForValue(yScale.max);
|
|
} else if (yScale.min > 0 && yScale.max > 0) {
|
|
yScalePoint = yScale.getPixelForValue(yScale.min);
|
|
} else {
|
|
yScalePoint = yScale.getPixelForValue(0);
|
|
}
|
|
|
|
helpers.extend(rectangle, {
|
|
// Utility
|
|
_chart: this.chart.chart,
|
|
_xScale: xScale,
|
|
_yScale: yScale,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
|
|
|
|
// Desired view properties
|
|
_model: {
|
|
x: this.calculateBarX(index, this.index),
|
|
y: reset ? yScalePoint : this.calculateBarY(index, this.index),
|
|
|
|
// Tooltip
|
|
label: this.chart.data.labels[index],
|
|
datasetLabel: this.getDataset().label,
|
|
|
|
// Appearance
|
|
base: this.calculateBarBase(this.index, index),
|
|
width: this.calculateBarWidth(numBars),
|
|
backgroundColor: rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor),
|
|
borderColor: rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor),
|
|
borderWidth: rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth),
|
|
},
|
|
});
|
|
rectangle.pivot();
|
|
},
|
|
|
|
calculateBarBase: function(datasetIndex, index) {
|
|
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
var yScale = this.getScaleForID(this.getDataset().yAxisID);
|
|
|
|
var base = 0;
|
|
|
|
if (yScale.options.stacked) {
|
|
|
|
var value = this.chart.data.datasets[datasetIndex].data[index];
|
|
|
|
if (value < 0) {
|
|
for (var i = 0; i < datasetIndex; i++) {
|
|
if (this.chart.data.datasets[i].yAxisID === yScale.id) {
|
|
base += this.chart.data.datasets[i].data[index] < 0 ? this.chart.data.datasets[i].data[index] : 0;
|
|
}
|
|
}
|
|
} else {
|
|
for (var j = 0; j < datasetIndex; j++) {
|
|
if (this.chart.data.datasets[j].yAxisID === yScale.id) {
|
|
base += this.chart.data.datasets[j].data[index] > 0 ? this.chart.data.datasets[j].data[index] : 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
return yScale.getPixelForValue(base);
|
|
}
|
|
|
|
base = yScale.getPixelForValue(yScale.min);
|
|
|
|
if (yScale.beginAtZero || ((yScale.min <= 0 && yScale.max >= 0) || (yScale.min >= 0 && yScale.max <= 0))) {
|
|
base = yScale.getPixelForValue(0, 0);
|
|
//base += yScale.options.gridLines.lineWidth;
|
|
} else if (yScale.min < 0 && yScale.max < 0) {
|
|
// All values are negative. Use the top as the base
|
|
base = yScale.getPixelForValue(yScale.max);
|
|
}
|
|
|
|
return base;
|
|
|
|
},
|
|
|
|
getRuler: function() {
|
|
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
var yScale = this.getScaleForID(this.getDataset().yAxisID);
|
|
|
|
var datasetCount = !this.chart.isCombo ? this.chart.data.datasets.length : helpers.where(this.chart.data.datasets, function(ds) {
|
|
return ds.type == 'bar';
|
|
}).length;
|
|
var tickWidth = (function() {
|
|
var min = xScale.getPixelForValue(null, 1) - xScale.getPixelForValue(null, 0);
|
|
for (var i = 2; i < this.getDataset().data.length; i++) {
|
|
min = Math.min(xScale.getPixelForValue(null, i) - xScale.getPixelForValue(null, i - 1), min);
|
|
}
|
|
return min;
|
|
}).call(this);
|
|
var categoryWidth = tickWidth * xScale.options.categoryPercentage;
|
|
var categorySpacing = (tickWidth - (tickWidth * xScale.options.categoryPercentage)) / 2;
|
|
var fullBarWidth = categoryWidth / datasetCount;
|
|
var barWidth = fullBarWidth * xScale.options.barPercentage;
|
|
var barSpacing = fullBarWidth - (fullBarWidth * xScale.options.barPercentage);
|
|
|
|
return {
|
|
datasetCount: datasetCount,
|
|
tickWidth: tickWidth,
|
|
categoryWidth: categoryWidth,
|
|
categorySpacing: categorySpacing,
|
|
fullBarWidth: fullBarWidth,
|
|
barWidth: barWidth,
|
|
barSpacing: barSpacing,
|
|
};
|
|
},
|
|
|
|
calculateBarWidth: function() {
|
|
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
var ruler = this.getRuler();
|
|
|
|
if (xScale.options.stacked) {
|
|
return ruler.categoryWidth;
|
|
}
|
|
|
|
return ruler.barWidth;
|
|
|
|
},
|
|
|
|
|
|
calculateBarX: function(index, datasetIndex) {
|
|
|
|
var yScale = this.getScaleForID(this.getDataset().yAxisID);
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
|
|
var ruler = this.getRuler();
|
|
var leftTick = xScale.getPixelForValue(null, index, datasetIndex);
|
|
leftTick -= this.chart.isCombo ? (ruler.tickWidth / 2) : 0;
|
|
|
|
if (yScale.options.stacked) {
|
|
return leftTick + (ruler.categoryWidth / 2) + ruler.categorySpacing;
|
|
}
|
|
|
|
return leftTick +
|
|
(ruler.barWidth / 2) +
|
|
ruler.categorySpacing +
|
|
(ruler.barWidth * datasetIndex) +
|
|
(ruler.barSpacing / 2) +
|
|
(ruler.barSpacing * datasetIndex);
|
|
},
|
|
|
|
calculateBarY: function(index, datasetIndex) {
|
|
|
|
var xScale = this.getScaleForID(this.getDataset().xAxisID);
|
|
var yScale = this.getScaleForID(this.getDataset().yAxisID);
|
|
|
|
var value = this.getDataset().data[index];
|
|
|
|
if (yScale.options.stacked) {
|
|
|
|
var sumPos = 0,
|
|
sumNeg = 0;
|
|
|
|
for (var i = 0; i < datasetIndex; i++) {
|
|
if (this.chart.data.datasets[i].data[index] < 0) {
|
|
sumNeg += this.chart.data.datasets[i].data[index] || 0;
|
|
} else {
|
|
sumPos += this.chart.data.datasets[i].data[index] || 0;
|
|
}
|
|
}
|
|
|
|
if (value < 0) {
|
|
return yScale.getPixelForValue(sumNeg + value);
|
|
} else {
|
|
return yScale.getPixelForValue(sumPos + value);
|
|
}
|
|
|
|
return yScale.getPixelForValue(value);
|
|
}
|
|
|
|
return yScale.getPixelForValue(value);
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
helpers.each(this.getDataset().metaData, function(rectangle, index) {
|
|
rectangle.transition(easingDecimal).draw();
|
|
}, this);
|
|
},
|
|
|
|
setHoverStyle: function(rectangle) {
|
|
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
|
|
var index = rectangle._index;
|
|
|
|
rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.hoverBackgroundColor ? rectangle.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(rectangle._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
|
rectangle._model.borderColor = rectangle.custom && rectangle.custom.hoverBorderColor ? rectangle.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(rectangle._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
|
rectangle._model.borderWidth = rectangle.custom && rectangle.custom.hoverBorderWidth ? rectangle.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, rectangle._model.borderWidth);
|
|
},
|
|
|
|
removeHoverStyle: function(rectangle) {
|
|
var dataset = this.chart.data.datasets[rectangle._datasetIndex];
|
|
var index = rectangle._index;
|
|
|
|
rectangle._model.backgroundColor = rectangle.custom && rectangle.custom.backgroundColor ? rectangle.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.rectangle.backgroundColor);
|
|
rectangle._model.borderColor = rectangle.custom && rectangle.custom.borderColor ? rectangle.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.rectangle.borderColor);
|
|
rectangle._model.borderWidth = rectangle.custom && rectangle.custom.borderWidth ? rectangle.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.rectangle.borderWidth);
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
//Cache a local reference to Chart.helpers
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.doughnut = {
|
|
animation: {
|
|
//Boolean - Whether we animate the rotation of the Doughnut
|
|
animateRotate: true,
|
|
//Boolean - Whether we animate scaling the Doughnut from the centre
|
|
animateScale: false,
|
|
},
|
|
hover: {
|
|
mode: 'single'
|
|
},
|
|
//The percentage of the chart that we cut out of the middle.
|
|
cutoutPercentage: 50,
|
|
};
|
|
|
|
Chart.defaults.pie = helpers.clone(Chart.defaults.doughnut);
|
|
helpers.extend(Chart.defaults.pie, {
|
|
cutoutPercentage: 0
|
|
});
|
|
|
|
|
|
Chart.controllers.doughnut = Chart.controllers.pie = function(chart, datasetIndex) {
|
|
this.initialize.call(this, chart, datasetIndex);
|
|
};
|
|
|
|
helpers.extend(Chart.controllers.doughnut.prototype, {
|
|
|
|
initialize: function(chart, datasetIndex) {
|
|
this.chart = chart;
|
|
this.index = datasetIndex;
|
|
this.linkScales();
|
|
this.addElements();
|
|
},
|
|
updateIndex: function(datasetIndex) {
|
|
this.index = datasetIndex;
|
|
},
|
|
linkScales: function() {
|
|
// no scales for doughnut
|
|
},
|
|
|
|
getDataset: function() {
|
|
return this.chart.data.datasets[this.index];
|
|
},
|
|
|
|
addElements: function() {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
helpers.each(this.getDataset().data, function(value, index) {
|
|
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
}, this);
|
|
},
|
|
addElementAndReset: function(index, colorForNewElement) {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
var arc = new Chart.elements.Arc({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
|
|
if (colorForNewElement && helpers.isArray(this.getDataset().backgroundColor)) {
|
|
this.getDataset().backgroundColor.splice(index, 0, colorForNewElement);
|
|
}
|
|
|
|
// Reset the point
|
|
this.updateElement(arc, index, true);
|
|
|
|
// Add to the points array
|
|
this.getDataset().metaData.splice(index, 0, arc);
|
|
},
|
|
removeElement: function(index) {
|
|
this.getDataset().metaData.splice(index, 1);
|
|
},
|
|
reset: function() {
|
|
this.update(true);
|
|
},
|
|
|
|
buildOrUpdateElements: function buildOrUpdateElements() {
|
|
// Make sure we have metaData for each data point
|
|
var numData = this.getDataset().data.length;
|
|
var numArcs = this.getDataset().metaData.length;
|
|
|
|
// Make sure that we handle number of datapoints changing
|
|
if (numData < numArcs) {
|
|
// Remove excess bars for data points that have been removed
|
|
this.getDataset().metaData.splice(numData, numArcs - numData)
|
|
} else if (numData > numArcs) {
|
|
// Add new elements
|
|
for (var index = numArcs; index < numData; ++index) {
|
|
this.addElementAndReset(index);
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(reset) {
|
|
|
|
this.chart.outerRadius = Math.max((helpers.min([this.chart.chart.width, this.chart.chart.height]) / 2) - this.chart.options.elements.arc.borderWidth / 2, 0);
|
|
this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
|
|
this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.chart.data.datasets.length;
|
|
|
|
this.getDataset().total = 0;
|
|
helpers.each(this.getDataset().data, function(value) {
|
|
this.getDataset().total += Math.abs(value);
|
|
}, this);
|
|
|
|
this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.index);
|
|
this.innerRadius = this.outerRadius - this.chart.radiusLength;
|
|
|
|
helpers.each(this.getDataset().metaData, function(arc, index) {
|
|
this.updateElement(arc, index, reset);
|
|
}, this);
|
|
},
|
|
updateElement: function(arc, index, reset) {
|
|
var resetModel = {
|
|
x: this.chart.chart.width / 2,
|
|
y: this.chart.chart.height / 2,
|
|
startAngle: Math.PI * -0.5, // use - PI / 2 instead of 3PI / 2 to make animations better. It means that we never deal with overflow during the transition function
|
|
circumference: (this.chart.options.animation.animateRotate) ? 0 : this.calculateCircumference(this.getDataset().data[index]),
|
|
outerRadius: (this.chart.options.animation.animateScale) ? 0 : this.outerRadius,
|
|
innerRadius: (this.chart.options.animation.animateScale) ? 0 : this.innerRadius,
|
|
};
|
|
|
|
helpers.extend(arc, {
|
|
// Utility
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
|
|
// Desired view properties
|
|
_model: reset ? resetModel : {
|
|
x: this.chart.chart.width / 2,
|
|
y: this.chart.chart.height / 2,
|
|
circumference: this.calculateCircumference(this.getDataset().data[index]),
|
|
outerRadius: this.outerRadius,
|
|
innerRadius: this.innerRadius,
|
|
|
|
backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
|
|
hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
|
|
borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
|
|
borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
|
|
|
|
label: helpers.getValueAtIndexOrDefault(this.getDataset().label, index, this.chart.data.labels[index])
|
|
},
|
|
});
|
|
|
|
if (!reset) {
|
|
|
|
if (index === 0) {
|
|
arc._model.startAngle = Math.PI * -0.5; // use - PI / 2 instead of 3PI / 2 to make animations better. It means that we never deal with overflow during the transition function
|
|
} else {
|
|
arc._model.startAngle = this.getDataset().metaData[index - 1]._model.endAngle;
|
|
}
|
|
|
|
arc._model.endAngle = arc._model.startAngle + arc._model.circumference;
|
|
|
|
|
|
//Check to see if it's the last arc, if not get the next and update its start angle
|
|
if (index < this.getDataset().data.length - 1) {
|
|
this.getDataset().metaData[index + 1]._model.startAngle = arc._model.endAngle;
|
|
}
|
|
}
|
|
|
|
arc.pivot();
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
helpers.each(this.getDataset().metaData, function(arc, index) {
|
|
arc.transition(easingDecimal).draw();
|
|
}, this);
|
|
},
|
|
|
|
setHoverStyle: function(arc) {
|
|
var dataset = this.chart.data.datasets[arc._datasetIndex];
|
|
var index = arc._index;
|
|
|
|
arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
|
arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
|
arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.hoverBorderWidth, index, arc._model.borderWidth);
|
|
},
|
|
|
|
removeHoverStyle: function(arc) {
|
|
var dataset = this.chart.data.datasets[arc._datasetIndex];
|
|
var index = arc._index;
|
|
|
|
arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
|
|
arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
|
|
arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
|
|
},
|
|
|
|
calculateCircumference: function(value) {
|
|
if (this.getDataset().total > 0) {
|
|
return (Math.PI * 1.999999) * (value / this.getDataset().total);
|
|
} else {
|
|
return 0;
|
|
}
|
|
},
|
|
|
|
});
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.line = {
|
|
hover: {
|
|
mode: "label"
|
|
},
|
|
|
|
scales: {
|
|
xAxes: [{
|
|
type: "category",
|
|
id: 'x-axis-0'
|
|
}],
|
|
yAxes: [{
|
|
type: "linear",
|
|
id: 'y-axis-0'
|
|
}],
|
|
},
|
|
};
|
|
|
|
|
|
Chart.controllers.line = function(chart, datasetIndex) {
|
|
this.initialize.call(this, chart, datasetIndex);
|
|
};
|
|
|
|
helpers.extend(Chart.controllers.line.prototype, {
|
|
|
|
initialize: function(chart, datasetIndex) {
|
|
this.chart = chart;
|
|
this.index = datasetIndex;
|
|
this.linkScales();
|
|
this.addElements();
|
|
},
|
|
updateIndex: function(datasetIndex) {
|
|
this.index = datasetIndex;
|
|
},
|
|
|
|
linkScales: function() {
|
|
if (!this.getDataset().xAxisID) {
|
|
this.getDataset().xAxisID = this.chart.options.scales.xAxes[0].id;
|
|
}
|
|
|
|
if (!this.getDataset().yAxisID) {
|
|
this.getDataset().yAxisID = this.chart.options.scales.yAxes[0].id;
|
|
}
|
|
},
|
|
|
|
getDataset: function() {
|
|
return this.chart.data.datasets[this.index];
|
|
},
|
|
|
|
getScaleForId: function(scaleID) {
|
|
return this.chart.scales[scaleID];
|
|
},
|
|
|
|
addElements: function() {
|
|
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
|
|
this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_points: this.getDataset().metaData,
|
|
});
|
|
|
|
helpers.each(this.getDataset().data, function(value, index) {
|
|
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
}, this);
|
|
},
|
|
addElementAndReset: function(index) {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
var point = new Chart.elements.Point({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
|
|
// Reset the point
|
|
this.updateElement(point, index, true);
|
|
|
|
// Add to the points array
|
|
this.getDataset().metaData.splice(index, 0, point);
|
|
|
|
// Make sure bezier control points are updated
|
|
this.updateBezierControlPoints();
|
|
},
|
|
removeElement: function(index) {
|
|
this.getDataset().metaData.splice(index, 1);
|
|
},
|
|
|
|
reset: function() {
|
|
this.update(true);
|
|
},
|
|
|
|
buildOrUpdateElements: function buildOrUpdateElements() {
|
|
// Handle the number of data points changing
|
|
var numData = this.getDataset().data.length;
|
|
var numPoints = this.getDataset().metaData.length;
|
|
|
|
// Make sure that we handle number of datapoints changing
|
|
if (numData < numPoints) {
|
|
// Remove excess bars for data points that have been removed
|
|
this.getDataset().metaData.splice(numData, numPoints - numData);
|
|
} else if (numData > numPoints) {
|
|
// Add new elements
|
|
for (var index = numPoints; index < numData; ++index) {
|
|
this.addElementAndReset(index);
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(reset) {
|
|
var line = this.getDataset().metaDataset;
|
|
var points = this.getDataset().metaData;
|
|
|
|
var yScale = this.getScaleForId(this.getDataset().yAxisID);
|
|
var xScale = this.getScaleForId(this.getDataset().xAxisID);
|
|
var scaleBase;
|
|
|
|
if (yScale.min < 0 && yScale.max < 0) {
|
|
scaleBase = yScale.getPixelForValue(yScale.max);
|
|
} else if (yScale.min > 0 && yScale.max > 0) {
|
|
scaleBase = yScale.getPixelForValue(yScale.min);
|
|
} else {
|
|
scaleBase = yScale.getPixelForValue(0);
|
|
}
|
|
|
|
// Update Line
|
|
helpers.extend(line, {
|
|
// Utility
|
|
_scale: yScale,
|
|
_datasetIndex: this.index,
|
|
// Data
|
|
_children: points,
|
|
// Model
|
|
_model: {
|
|
// Appearance
|
|
tension: line.custom && line.custom.tension ? line.custom.tension : (this.getDataset().tension || this.chart.options.elements.line.tension),
|
|
backgroundColor: line.custom && line.custom.backgroundColor ? line.custom.backgroundColor : (this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor),
|
|
borderWidth: line.custom && line.custom.borderWidth ? line.custom.borderWidth : (this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth),
|
|
borderColor: line.custom && line.custom.borderColor ? line.custom.borderColor : (this.getDataset().borderColor || this.chart.options.elements.line.borderColor),
|
|
borderCapStyle: line.custom && line.custom.borderCapStyle ? line.custom.borderCapStyle : (this.getDataset().borderCapStyle || this.chart.options.elements.line.borderCapStyle),
|
|
borderDash: line.custom && line.custom.borderDash ? line.custom.borderDash : (this.getDataset().borderDash || this.chart.options.elements.line.borderDash),
|
|
borderDashOffset: line.custom && line.custom.borderDashOffset ? line.custom.borderDashOffset : (this.getDataset().borderDashOffset || this.chart.options.elements.line.borderDashOffset),
|
|
borderJoinStyle: line.custom && line.custom.borderJoinStyle ? line.custom.borderJoinStyle : (this.getDataset().borderJoinStyle || this.chart.options.elements.line.borderJoinStyle),
|
|
fill: line.custom && line.custom.fill ? line.custom.fill : (this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill),
|
|
skipNull: this.getDataset().skipNull !== undefined ? this.getDataset().skipNull : this.chart.options.elements.line.skipNull,
|
|
drawNull: this.getDataset().drawNull !== undefined ? this.getDataset().drawNull : this.chart.options.elements.line.drawNull,
|
|
// Scale
|
|
scaleTop: yScale.top,
|
|
scaleBottom: yScale.bottom,
|
|
scaleZero: scaleBase,
|
|
},
|
|
});
|
|
line.pivot();
|
|
|
|
// Update Points
|
|
helpers.each(points, function(point, index) {
|
|
this.updateElement(point, index, reset);
|
|
}, this);
|
|
|
|
this.updateBezierControlPoints();
|
|
},
|
|
|
|
updateElement: function(point, index, reset) {
|
|
var yScale = this.getScaleForId(this.getDataset().yAxisID);
|
|
var xScale = this.getScaleForId(this.getDataset().xAxisID);
|
|
var scaleBase;
|
|
|
|
if (yScale.min < 0 && yScale.max < 0) {
|
|
scaleBase = yScale.getPixelForValue(yScale.max);
|
|
} else if (yScale.min > 0 && yScale.max > 0) {
|
|
scaleBase = yScale.getPixelForValue(yScale.min);
|
|
} else {
|
|
scaleBase = yScale.getPixelForValue(0);
|
|
}
|
|
|
|
helpers.extend(point, {
|
|
// Utility
|
|
_chart: this.chart.chart,
|
|
_xScale: xScale,
|
|
_yScale: yScale,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
|
|
// Desired view properties
|
|
_model: {
|
|
x: xScale.getPixelForValue(this.getDataset().data[index], index, this.index, this.chart.isCombo),
|
|
y: reset ? scaleBase : yScale.getPixelForValue(this.getDataset().data[index], index, this.index),
|
|
// Appearance
|
|
tension: point.custom && point.custom.tension ? point.custom.tension : (this.getDataset().tension || this.chart.options.elements.line.tension),
|
|
radius: point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius),
|
|
backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor),
|
|
borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor),
|
|
borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth),
|
|
skip: point.custom && point.custom.skip ? point.custom.skip : this.getDataset().data[index] === null,
|
|
|
|
// Tooltip
|
|
hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius),
|
|
},
|
|
});
|
|
},
|
|
|
|
updateBezierControlPoints: function() {
|
|
// Update bezier control points
|
|
helpers.each(this.getDataset().metaData, function(point, index) {
|
|
var controlPoints = helpers.splineCurve(
|
|
helpers.previousItem(this.getDataset().metaData, index)._model,
|
|
point._model,
|
|
helpers.nextItem(this.getDataset().metaData, index)._model,
|
|
point._model.tension
|
|
);
|
|
|
|
point._model.controlPointPreviousX = controlPoints.previous.x;
|
|
point._model.controlPointNextX = controlPoints.next.x;
|
|
|
|
// Prevent the bezier going outside of the bounds of the graph
|
|
|
|
// Cap outer bezier handles to the upper/lower scale bounds
|
|
if (controlPoints.next.y > this.chart.chartArea.bottom) {
|
|
point._model.controlPointNextY = this.chart.chartArea.bottom;
|
|
} else if (controlPoints.next.y < this.chart.chartArea.top) {
|
|
point._model.controlPointNextY = this.chart.chartArea.top;
|
|
} else {
|
|
point._model.controlPointNextY = controlPoints.next.y;
|
|
}
|
|
|
|
// Cap inner bezier handles to the upper/lower scale bounds
|
|
if (controlPoints.previous.y > this.chart.chartArea.bottom) {
|
|
point._model.controlPointPreviousY = this.chart.chartArea.bottom;
|
|
} else if (controlPoints.previous.y < this.chart.chartArea.top) {
|
|
point._model.controlPointPreviousY = this.chart.chartArea.top;
|
|
} else {
|
|
point._model.controlPointPreviousY = controlPoints.previous.y;
|
|
}
|
|
|
|
// Now pivot the point for animation
|
|
point.pivot();
|
|
}, this);
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
|
|
// Transition Point Locations
|
|
helpers.each(this.getDataset().metaData, function(point, index) {
|
|
point.transition(easingDecimal);
|
|
}, this);
|
|
|
|
// Transition and Draw the line
|
|
this.getDataset().metaDataset.transition(easingDecimal).draw();
|
|
|
|
// Draw the points
|
|
helpers.each(this.getDataset().metaData, function(point) {
|
|
point.draw();
|
|
});
|
|
},
|
|
|
|
setHoverStyle: function(point) {
|
|
// Point
|
|
var dataset = this.chart.data.datasets[point._datasetIndex];
|
|
var index = point._index;
|
|
|
|
point._model.radius = point.custom && point.custom.hoverRadius ? point.custom.hoverRadius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
|
|
point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
|
point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
|
point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderWidth, index, point._model.borderWidth);
|
|
},
|
|
|
|
removeHoverStyle: function(point) {
|
|
var dataset = this.chart.data.datasets[point._datasetIndex];
|
|
var index = point._index;
|
|
|
|
point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
|
|
point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor);
|
|
point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor);
|
|
point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth);
|
|
}
|
|
});
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
//Cache a local reference to Chart.helpers
|
|
helpers = Chart.helpers;
|
|
|
|
|
|
Chart.defaults.polarArea = {
|
|
|
|
scale: {
|
|
type: "radialLinear",
|
|
lineArc: true, // so that lines are circular
|
|
},
|
|
|
|
//Boolean - Whether to animate the rotation of the chart
|
|
animateRotate: true,
|
|
animateScale: true,
|
|
};
|
|
|
|
Chart.controllers.polarArea = function(chart, datasetIndex) {
|
|
this.initialize.call(this, chart, datasetIndex);
|
|
};
|
|
|
|
helpers.extend(Chart.controllers.polarArea.prototype, {
|
|
|
|
initialize: function(chart, datasetIndex) {
|
|
this.chart = chart;
|
|
this.index = datasetIndex;
|
|
this.linkScales();
|
|
this.addElements();
|
|
},
|
|
updateIndex: function(datasetIndex) {
|
|
this.index = datasetIndex;
|
|
},
|
|
|
|
linkScales: function() {
|
|
// no scales for doughnut
|
|
},
|
|
|
|
getDataset: function() {
|
|
return this.chart.data.datasets[this.index];
|
|
},
|
|
|
|
getScaleForId: function(scaleID) {
|
|
return this.chart.scales[scaleID];
|
|
},
|
|
|
|
addElements: function() {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
helpers.each(this.getDataset().data, function(value, index) {
|
|
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Arc({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
}, this);
|
|
},
|
|
addElementAndReset: function(index) {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
var arc = new Chart.elements.Arc({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
|
|
// Reset the point
|
|
this.updateElement(arc, index, true);
|
|
|
|
// Add to the points array
|
|
this.getDataset().metaData.splice(index, 0, arc);
|
|
},
|
|
removeElement: function(index) {
|
|
this.getDataset().metaData.splice(index, 1);
|
|
},
|
|
|
|
reset: function() {
|
|
this.update(true);
|
|
},
|
|
|
|
buildOrUpdateElements: function buildOrUpdateElements() {
|
|
// Handle the number of data points changing
|
|
var numData = this.getDataset().data.length;
|
|
var numPoints = this.getDataset().metaData.length;
|
|
|
|
// Make sure that we handle number of datapoints changing
|
|
if (numData < numPoints) {
|
|
// Remove excess bars for data points that have been removed
|
|
this.getDataset().metaData.splice(numData, numPoints - numData)
|
|
} else if (numData > numPoints) {
|
|
// Add new elements
|
|
for (var index = numPoints; index < numData; ++index) {
|
|
this.addElementAndReset(index);
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(reset) {
|
|
|
|
Chart.scaleService.update(this, this.chart.width, this.chart.height);
|
|
//this.chart.scale.setScaleSize();
|
|
this.chart.scale.calculateRange();
|
|
this.chart.scale.generateTicks();
|
|
this.chart.scale.buildYLabels();
|
|
|
|
this.chart.outerRadius = Math.max((helpers.min([this.chart.chart.width, this.chart.chart.height]) - this.chart.options.elements.arc.borderWidth / 2) / 2, 0);
|
|
this.chart.innerRadius = Math.max(this.chart.options.cutoutPercentage ? (this.chart.outerRadius / 100) * (this.chart.options.cutoutPercentage) : 1, 0);
|
|
this.chart.radiusLength = (this.chart.outerRadius - this.chart.innerRadius) / this.chart.data.datasets.length;
|
|
|
|
this.getDataset().total = 0;
|
|
helpers.each(this.getDataset().data, function(value) {
|
|
this.getDataset().total += Math.abs(value);
|
|
}, this);
|
|
|
|
this.outerRadius = this.chart.outerRadius - (this.chart.radiusLength * this.index);
|
|
this.innerRadius = this.outerRadius - this.chart.radiusLength;
|
|
|
|
helpers.each(this.getDataset().metaData, function(arc, index) {
|
|
this.updateElement(arc, index, reset);
|
|
}, this);
|
|
},
|
|
updateElement: function(arc, index, reset) {
|
|
var circumference = 1 / this.getDataset().data.length * 2;
|
|
var startAngle = (-0.5 * Math.PI) + (Math.PI * circumference) * index;
|
|
var endAngle = startAngle + (circumference * Math.PI);
|
|
|
|
var resetModel = {
|
|
x: this.chart.chart.width / 2,
|
|
y: this.chart.chart.height / 2,
|
|
innerRadius: 0,
|
|
outerRadius: this.chart.options.animateScale ? 0 : this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
|
|
startAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : startAngle,
|
|
endAngle: this.chart.options.animateRotate ? Math.PI * -0.5 : endAngle,
|
|
|
|
backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
|
|
hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
|
|
borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
|
|
borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
|
|
|
|
label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
|
|
};
|
|
|
|
helpers.extend(arc, {
|
|
// Utility
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
|
|
// Desired view properties
|
|
_model: reset ? resetModel : {
|
|
x: this.chart.chart.width / 2,
|
|
y: this.chart.chart.height / 2,
|
|
innerRadius: 0,
|
|
outerRadius: this.chart.scale.getDistanceFromCenterForValue(this.getDataset().data[index]),
|
|
startAngle: startAngle,
|
|
endAngle: endAngle,
|
|
|
|
backgroundColor: arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor),
|
|
hoverBackgroundColor: arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().hoverBackgroundColor, index, this.chart.options.elements.arc.hoverBackgroundColor),
|
|
borderWidth: arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth),
|
|
borderColor: arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor),
|
|
|
|
label: helpers.getValueAtIndexOrDefault(this.chart.data.labels, index, this.chart.data.labels[index])
|
|
},
|
|
});
|
|
|
|
arc.pivot();
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
helpers.each(this.getDataset().metaData, function(arc, index) {
|
|
arc.transition(easingDecimal).draw();
|
|
}, this);
|
|
},
|
|
|
|
setHoverStyle: function(arc) {
|
|
var dataset = this.chart.data.datasets[arc._datasetIndex];
|
|
var index = arc._index;
|
|
|
|
arc._model.backgroundColor = arc.custom && arc.custom.hoverBackgroundColor ? arc.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.hoverBackgroundColor, index, helpers.color(arc._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
|
arc._model.borderColor = arc.custom && arc.custom.hoverBorderColor ? arc.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.hoverBorderColor, index, helpers.color(arc._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
|
arc._model.borderWidth = arc.custom && arc.custom.hoverBorderWidth ? arc.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.borderWidth, index, arc._model.borderWidth);
|
|
},
|
|
|
|
removeHoverStyle: function(arc) {
|
|
var dataset = this.chart.data.datasets[arc._datasetIndex];
|
|
var index = arc._index;
|
|
|
|
arc._model.backgroundColor = arc.custom && arc.custom.backgroundColor ? arc.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().backgroundColor, index, this.chart.options.elements.arc.backgroundColor);
|
|
arc._model.borderColor = arc.custom && arc.custom.borderColor ? arc.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().borderColor, index, this.chart.options.elements.arc.borderColor);
|
|
arc._model.borderWidth = arc.custom && arc.custom.borderWidth ? arc.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().borderWidth, index, this.chart.options.elements.arc.borderWidth);
|
|
},
|
|
|
|
calculateCircumference: function(value) {
|
|
if (this.getDataset().total > 0) {
|
|
return (Math.PI * 2) * (value / this.getDataset().total);
|
|
} else {
|
|
return 0;
|
|
}
|
|
},
|
|
updateScaleRange: function() {
|
|
helpers.extend(this.chart.scale, {
|
|
size: helpers.min([this.chart.width, this.chart.height]),
|
|
xCenter: this.chart.width / 2,
|
|
yCenter: this.chart.height / 2
|
|
});
|
|
},
|
|
|
|
});
|
|
|
|
|
|
|
|
return;
|
|
|
|
|
|
Chart.Type.extend({});
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
|
|
|
|
Chart.defaults.radar = {
|
|
scale: {
|
|
type: "radialLinear",
|
|
},
|
|
elements: {
|
|
line: {
|
|
tension: 0, // no bezier in radar
|
|
}
|
|
},
|
|
};
|
|
|
|
Chart.controllers.radar = function(chart, datasetIndex) {
|
|
this.initialize.call(this, chart, datasetIndex);
|
|
};
|
|
|
|
|
|
helpers.extend(Chart.controllers.radar.prototype, {
|
|
|
|
initialize: function(chart, datasetIndex) {
|
|
this.chart = chart;
|
|
this.index = datasetIndex;
|
|
this.linkScales();
|
|
this.addElements();
|
|
},
|
|
updateIndex: function(datasetIndex) {
|
|
this.index = datasetIndex;
|
|
},
|
|
|
|
linkScales: function() {
|
|
// No need. Single scale only
|
|
},
|
|
|
|
getDataset: function() {
|
|
return this.chart.data.datasets[this.index];
|
|
},
|
|
|
|
getScaleForId: function(scaleID) {
|
|
return this.chart.scales[scaleID];
|
|
},
|
|
|
|
addElements: function() {
|
|
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
|
|
this.getDataset().metaDataset = this.getDataset().metaDataset || new Chart.elements.Line({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_points: this.getDataset().metaData,
|
|
_loop: true
|
|
});
|
|
|
|
helpers.each(this.getDataset().data, function(value, index) {
|
|
this.getDataset().metaData[index] = this.getDataset().metaData[index] || new Chart.elements.Point({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
_model: {
|
|
x: 0, //xScale.getPixelForValue(null, index, true),
|
|
y: 0, //this.chartArea.bottom,
|
|
},
|
|
});
|
|
}, this);
|
|
},
|
|
addElementAndReset: function(index) {
|
|
this.getDataset().metaData = this.getDataset().metaData || [];
|
|
var point = new Chart.elements.Point({
|
|
_chart: this.chart.chart,
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
});
|
|
|
|
// Reset the point
|
|
this.updateElement(point, index, true);
|
|
|
|
// Add to the points array
|
|
this.getDataset().metaData.splice(index, 0, point);
|
|
|
|
// Make sure bezier control points are updated
|
|
this.updateBezierControlPoints();
|
|
},
|
|
removeElement: function(index) {
|
|
this.getDataset().metaData.splice(index, 1);
|
|
},
|
|
|
|
reset: function() {
|
|
this.update(true);
|
|
},
|
|
|
|
buildOrUpdateElements: function buildOrUpdateElements() {
|
|
// Handle the number of data points changing
|
|
var numData = this.getDataset().data.length;
|
|
var numPoints = this.getDataset().metaData.length;
|
|
|
|
// Make sure that we handle number of datapoints changing
|
|
if (numData < numPoints) {
|
|
// Remove excess bars for data points that have been removed
|
|
this.getDataset().metaData.splice(numData, numPoints - numData)
|
|
} else if (numData > numPoints) {
|
|
// Add new elements
|
|
for (var index = numPoints; index < numData; ++index) {
|
|
this.addElementAndReset(index);
|
|
}
|
|
}
|
|
},
|
|
|
|
update: function update(reset) {
|
|
|
|
var line = this.getDataset().metaDataset;
|
|
var points = this.getDataset().metaData;
|
|
|
|
var scale = this.chart.scale;
|
|
var scaleBase;
|
|
|
|
scale.setScaleSize();
|
|
scale.calculateRange();
|
|
scale.generateTicks();
|
|
scale.buildYLabels();
|
|
|
|
if (scale.min < 0 && scale.max < 0) {
|
|
scaleBase = scale.getPointPositionForValue(0, scale.max);
|
|
} else if (scale.min > 0 && scale.max > 0) {
|
|
scaleBase = scale.getPointPositionForValue(0, scale.min);
|
|
} else {
|
|
scaleBase = scale.getPointPositionForValue(0, 0);
|
|
}
|
|
|
|
helpers.extend(this.getDataset().metaDataset, {
|
|
// Utility
|
|
_datasetIndex: this.index,
|
|
// Data
|
|
_children: this.getDataset().metaData,
|
|
// Model
|
|
_model: {
|
|
// Appearance
|
|
tension: this.getDataset().tension || this.chart.options.elements.line.tension,
|
|
backgroundColor: this.getDataset().backgroundColor || this.chart.options.elements.line.backgroundColor,
|
|
borderWidth: this.getDataset().borderWidth || this.chart.options.elements.line.borderWidth,
|
|
borderColor: this.getDataset().borderColor || this.chart.options.elements.line.borderColor,
|
|
fill: this.getDataset().fill !== undefined ? this.getDataset().fill : this.chart.options.elements.line.fill, // use the value from the this.getDataset() if it was provided. else fall back to the default
|
|
skipNull: this.getDataset().skipNull !== undefined ? this.getDataset().skipNull : this.chart.options.elements.line.skipNull,
|
|
drawNull: this.getDataset().drawNull !== undefined ? this.getDataset().drawNull : this.chart.options.elements.line.drawNull,
|
|
|
|
// Scale
|
|
scaleTop: scale.top,
|
|
scaleBottom: scale.bottom,
|
|
scaleZero: scaleBase,
|
|
},
|
|
});
|
|
|
|
this.getDataset().metaDataset.pivot();
|
|
|
|
// Update Points
|
|
helpers.each(points, function(point, index) {
|
|
this.updateElement(point, index, reset);
|
|
}, this);
|
|
|
|
|
|
// Update bezier control points
|
|
this.updateBezierControlPoints();
|
|
},
|
|
updateElement: function(point, index, reset) {
|
|
var pointPosition = this.chart.scale.getPointPositionForValue(index, this.getDataset().data[index]);
|
|
|
|
helpers.extend(point, {
|
|
// Utility
|
|
_datasetIndex: this.index,
|
|
_index: index,
|
|
|
|
// Desired view properties
|
|
_model: {
|
|
x: reset ? this.chart.scale.xCenter : pointPosition.x, // value not used in dataset scale, but we want a consistent API between scales
|
|
y: reset ? this.chart.scale.yCenter : pointPosition.y,
|
|
|
|
// Appearance
|
|
tension: point.custom && point.custom.tension ? point.custom.tension : this.chart.options.elements.line.tension,
|
|
radius: point.custom && point.custom.radius ? point.custom.pointRadius : helpers.getValueAtIndexOrDefault(this.getDataset().pointRadius, index, this.chart.options.elements.point.radius),
|
|
backgroundColor: point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor),
|
|
borderColor: point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor),
|
|
borderWidth: point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth),
|
|
skip: point.custom && point.custom.skip ? point.custom.skip : this.getDataset().data[index] === null,
|
|
|
|
// Tooltip
|
|
hitRadius: point.custom && point.custom.hitRadius ? point.custom.hitRadius : helpers.getValueAtIndexOrDefault(this.getDataset().hitRadius, index, this.chart.options.elements.point.hitRadius),
|
|
},
|
|
});
|
|
},
|
|
updateBezierControlPoints: function() {
|
|
helpers.each(this.getDataset().metaData, function(point, index) {
|
|
var controlPoints = helpers.splineCurve(
|
|
helpers.previousItem(this.getDataset().metaData, index, true)._model,
|
|
point._model,
|
|
helpers.nextItem(this.getDataset().metaData, index, true)._model,
|
|
point._model.tension
|
|
);
|
|
|
|
point._model.controlPointPreviousX = controlPoints.previous.x;
|
|
point._model.controlPointNextX = controlPoints.next.x;
|
|
|
|
// Prevent the bezier going outside of the bounds of the graph
|
|
|
|
// Cap outer bezier handles to the upper/lower scale bounds
|
|
if (controlPoints.next.y > this.chart.chartArea.bottom) {
|
|
point._model.controlPointNextY = this.chart.chartArea.bottom;
|
|
} else if (controlPoints.next.y < this.chart.chartArea.top) {
|
|
point._model.controlPointNextY = this.chart.chartArea.top;
|
|
} else {
|
|
point._model.controlPointNextY = controlPoints.next.y;
|
|
}
|
|
|
|
// Cap inner bezier handles to the upper/lower scale bounds
|
|
if (controlPoints.previous.y > this.chart.chartArea.bottom) {
|
|
point._model.controlPointPreviousY = this.chart.chartArea.bottom;
|
|
} else if (controlPoints.previous.y < this.chart.chartArea.top) {
|
|
point._model.controlPointPreviousY = this.chart.chartArea.top;
|
|
} else {
|
|
point._model.controlPointPreviousY = controlPoints.previous.y;
|
|
}
|
|
|
|
// Now pivot the point for animation
|
|
point.pivot();
|
|
}, this);
|
|
},
|
|
|
|
draw: function(ease) {
|
|
var easingDecimal = ease || 1;
|
|
|
|
// Transition Point Locations
|
|
helpers.each(this.getDataset().metaData, function(point, index) {
|
|
point.transition(easingDecimal);
|
|
}, this);
|
|
|
|
// Transition and Draw the line
|
|
this.getDataset().metaDataset.transition(easingDecimal).draw();
|
|
|
|
// Draw the points
|
|
helpers.each(this.getDataset().metaData, function(point) {
|
|
point.draw();
|
|
});
|
|
},
|
|
|
|
setHoverStyle: function(point) {
|
|
// Point
|
|
var dataset = this.chart.data.datasets[point._datasetIndex];
|
|
var index = point._index;
|
|
|
|
point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(dataset.pointHoverRadius, index, this.chart.options.elements.point.hoverRadius);
|
|
point._model.backgroundColor = point.custom && point.custom.hoverBackgroundColor ? point.custom.hoverBackgroundColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBackgroundColor, index, helpers.color(point._model.backgroundColor).saturate(0.5).darken(0.1).rgbString());
|
|
point._model.borderColor = point.custom && point.custom.hoverBorderColor ? point.custom.hoverBorderColor : helpers.getValueAtIndexOrDefault(dataset.pointHoverBorderColor, index, helpers.color(point._model.borderColor).saturate(0.5).darken(0.1).rgbString());
|
|
point._model.borderWidth = point.custom && point.custom.hoverBorderWidth ? point.custom.hoverBorderWidth : helpers.getValueAtIndexOrDefault(dataset.pointBorderWidth, index, point._model.borderWidth);
|
|
},
|
|
|
|
removeHoverStyle: function(point) {
|
|
var dataset = this.chart.data.datasets[point._datasetIndex];
|
|
var index = point._index;
|
|
|
|
point._model.radius = point.custom && point.custom.radius ? point.custom.radius : helpers.getValueAtIndexOrDefault(this.getDataset().radius, index, this.chart.options.elements.point.radius);
|
|
point._model.backgroundColor = point.custom && point.custom.backgroundColor ? point.custom.backgroundColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBackgroundColor, index, this.chart.options.elements.point.backgroundColor);
|
|
point._model.borderColor = point.custom && point.custom.borderColor ? point.custom.borderColor : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderColor, index, this.chart.options.elements.point.borderColor);
|
|
point._model.borderWidth = point.custom && point.custom.borderWidth ? point.custom.borderWidth : helpers.getValueAtIndexOrDefault(this.getDataset().pointBorderWidth, index, this.chart.options.elements.point.borderWidth);
|
|
}
|
|
|
|
});
|
|
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
// Default config for a category scale
|
|
var defaultConfig = {
|
|
position: "bottom",
|
|
};
|
|
|
|
var DatasetScale = Chart.Scale.extend({
|
|
buildTicks: function(index) {
|
|
this.ticks = this.data.labels;
|
|
},
|
|
|
|
// Used to get data value locations. Value can either be an index or a numerical value
|
|
getPixelForValue: function(value, index, datasetIndex, includeOffset) {
|
|
|
|
if (this.isHorizontal()) {
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
var valueWidth = innerWidth / Math.max((this.data.labels.length - ((this.options.gridLines.offsetGridLines) ? 0 : 1)), 1);
|
|
var valueOffset = (valueWidth * index) + this.paddingLeft;
|
|
|
|
if (this.options.gridLines.offsetGridLines && includeOffset) {
|
|
valueOffset += (valueWidth / 2);
|
|
}
|
|
|
|
return this.left + Math.round(valueOffset);
|
|
} else {
|
|
return this.top + (index * (this.height / this.labels.length));
|
|
}
|
|
},
|
|
});
|
|
|
|
Chart.scaleService.registerScaleType("category", DatasetScale, defaultConfig);
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
position: "left",
|
|
};
|
|
|
|
var LinearScale = Chart.Scale.extend({
|
|
buildTicks: function() {
|
|
|
|
// First Calculate the range
|
|
this.min = null;
|
|
this.max = null;
|
|
|
|
var positiveValues = [];
|
|
var negativeValues = [];
|
|
|
|
if (this.options.stacked) {
|
|
helpers.each(this.data.datasets, function(dataset) {
|
|
if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) {
|
|
helpers.each(dataset.data, function(rawValue, index) {
|
|
|
|
var value = this.getRightValue(rawValue);
|
|
|
|
positiveValues[index] = positiveValues[index] || 0;
|
|
negativeValues[index] = negativeValues[index] || 0;
|
|
|
|
if (this.options.relativePoints) {
|
|
positiveValues[index] = 100;
|
|
} else {
|
|
if (value < 0) {
|
|
negativeValues[index] += value;
|
|
} else {
|
|
positiveValues[index] += value;
|
|
}
|
|
}
|
|
}, this);
|
|
}
|
|
}, this);
|
|
|
|
var values = positiveValues.concat(negativeValues);
|
|
this.min = helpers.min(values);
|
|
this.max = helpers.max(values);
|
|
|
|
} else {
|
|
helpers.each(this.data.datasets, function(dataset) {
|
|
if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) {
|
|
helpers.each(dataset.data, function(rawValue, index) {
|
|
var value = this.getRightValue(rawValue);
|
|
|
|
if (this.min === null) {
|
|
this.min = value;
|
|
} else if (value < this.min) {
|
|
this.min = value;
|
|
}
|
|
|
|
if (this.max === null) {
|
|
this.max = value;
|
|
} else if (value > this.max) {
|
|
this.max = value;
|
|
}
|
|
}, this);
|
|
}
|
|
}, this);
|
|
}
|
|
|
|
if (this.min === this.max) {
|
|
this.min--;
|
|
this.max++;
|
|
}
|
|
|
|
|
|
// Then calulate the ticks
|
|
this.ticks = [];
|
|
|
|
// Figure out what the max number of ticks we can support it is based on the size of
|
|
// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
|
|
// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
|
|
// the graph
|
|
|
|
var maxTicks;
|
|
|
|
if (this.isHorizontal()) {
|
|
maxTicks = Math.min(11, Math.ceil(this.width / 50));
|
|
} else {
|
|
// The factor of 2 used to scale the font size has been experimentally determined.
|
|
maxTicks = Math.min(11, Math.ceil(this.height / (2 * this.options.ticks.fontSize)));
|
|
}
|
|
|
|
// Make sure we always have at least 2 ticks
|
|
maxTicks = Math.max(2, maxTicks);
|
|
|
|
// To get a "nice" value for the tick spacing, we will use the appropriately named
|
|
// "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
|
|
// for details.
|
|
|
|
// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
|
|
// do nothing since that would make the chart weird. If the user really wants a weird chart
|
|
// axis, they can manually override it
|
|
if (this.options.beginAtZero) {
|
|
var minSign = helpers.sign(this.min);
|
|
var maxSign = helpers.sign(this.max);
|
|
|
|
if (minSign < 0 && maxSign < 0) {
|
|
// move the top up to 0
|
|
this.max = 0;
|
|
} else if (minSign > 0 && maxSign > 0) {
|
|
// move the botttom down to 0
|
|
this.min = 0;
|
|
}
|
|
}
|
|
|
|
var niceRange = helpers.niceNum(this.max - this.min, false);
|
|
var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
|
|
var niceMin = Math.floor(this.min / spacing) * spacing;
|
|
var niceMax = Math.ceil(this.max / spacing) * spacing;
|
|
|
|
// Put the values into the ticks array
|
|
for (var j = niceMin; j <= niceMax; j += spacing) {
|
|
this.ticks.push(j);
|
|
}
|
|
|
|
if (this.options.position == "left" || this.options.position == "right") {
|
|
// We are in a vertical orientation. The top value is the highest. So reverse the array
|
|
this.ticks.reverse();
|
|
}
|
|
|
|
// At this point, we need to update our max and min given the tick values since we have expanded the
|
|
// range of the scale
|
|
this.max = helpers.max(this.ticks);
|
|
this.min = helpers.min(this.ticks);
|
|
|
|
if (this.options.reverse) {
|
|
this.ticks.reverse();
|
|
|
|
this.start = this.max;
|
|
this.end = this.min;
|
|
} else {
|
|
this.start = this.max;
|
|
this.end = this.min;
|
|
}
|
|
|
|
this.zeroLineIndex = this.ticks.indexOf(0);
|
|
},
|
|
|
|
|
|
|
|
// Utils
|
|
|
|
getPixelForValue: function(value, index, datasetIndex, includeOffset) {
|
|
// This must be called after fit has been run so that
|
|
// this.left, this.top, this.right, and this.bottom have been defined
|
|
var pixel;
|
|
var range = this.end - this.start;
|
|
|
|
if (this.isHorizontal()) {
|
|
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
pixel = this.left + (innerWidth / range * (this.getRightValue(value) - this.start));
|
|
return Math.round(pixel + this.paddingLeft);
|
|
} else {
|
|
var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
|
|
pixel = this.top + (innerHeight / range * (this.getRightValue(value) - this.start));
|
|
return Math.round(pixel + this.paddingTop);
|
|
}
|
|
},
|
|
|
|
// Get the correct value. If the value type is object get the x or y based on whether we are horizontal or not
|
|
getRightValue: function(rawValue) {
|
|
return (typeof(rawValue) === "object" && rawValue !== null) ? (this.isHorizontal() ? rawValue.x : rawValue.y) : rawValue;
|
|
},
|
|
|
|
});
|
|
Chart.scaleService.registerScaleType("linear", LinearScale, defaultConfig);
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
position: "left",
|
|
|
|
// scale label
|
|
scaleLabel: {
|
|
// actual label
|
|
labelString: '',
|
|
// display property
|
|
show: false,
|
|
},
|
|
|
|
// label settings
|
|
labels: {
|
|
template: "<%var remain = value / (Math.pow(10, Math.floor(Chart.helpers.log10(value))));if (remain === 1 || remain === 2 || remain === 5) {%><%=value.toExponential()%><%} else {%><%= null %><%}%>",
|
|
}
|
|
};
|
|
|
|
var LogarithmicScale = Chart.Scale.extend({
|
|
buildTicks: function() {
|
|
|
|
// Calculate Range (we may break this out into it's own lifecycle function)
|
|
|
|
this.min = null;
|
|
this.max = null;
|
|
|
|
var values = [];
|
|
|
|
if (this.options.stacked) {
|
|
helpers.each(this.data.datasets, function(dataset) {
|
|
if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) {
|
|
helpers.each(dataset.data, function(rawValue, index) {
|
|
|
|
var value = this.getRightValue(rawValue);
|
|
|
|
values[index] = values[index] || 0;
|
|
|
|
if (this.options.relativePoints) {
|
|
values[index] = 100;
|
|
} else {
|
|
// Don't need to split positive and negative since the log scale can't handle a 0 crossing
|
|
values[index] += value;
|
|
}
|
|
}, this);
|
|
}
|
|
}, this);
|
|
|
|
this.min = helpers.min(values);
|
|
this.max = helpers.max(values);
|
|
|
|
} else {
|
|
helpers.each(this.data.datasets, function(dataset) {
|
|
if (this.isHorizontal() ? dataset.xAxisID === this.id : dataset.yAxisID === this.id) {
|
|
helpers.each(dataset.data, function(rawValue, index) {
|
|
var value = this.getRightValue(rawValue);
|
|
|
|
if (this.min === null) {
|
|
this.min = value;
|
|
} else if (value < this.min) {
|
|
this.min = value;
|
|
}
|
|
|
|
if (this.max === null) {
|
|
this.max = value;
|
|
} else if (value > this.max) {
|
|
this.max = value;
|
|
}
|
|
}, this);
|
|
}
|
|
}, this);
|
|
}
|
|
|
|
if (this.min === this.max) {
|
|
if (this.min !== 0 && this.min !== null) {
|
|
this.min = Math.pow(10, Math.floor(helpers.log10(this.min)) - 1);
|
|
this.max = Math.pow(10, Math.floor(helpers.log10(this.max)) + 1);
|
|
} else {
|
|
this.min = 1;
|
|
this.max = 10;
|
|
}
|
|
}
|
|
|
|
|
|
// Reset the ticks array. Later on, we will draw a grid line at these positions
|
|
// The array simply contains the numerical value of the spots where ticks will be
|
|
this.tickValues = [];
|
|
|
|
// 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 minExponent = Math.floor(helpers.log10(this.min));
|
|
var maxExponent = Math.ceil(helpers.log10(this.max));
|
|
|
|
for (var exponent = minExponent; exponent < maxExponent; ++exponent) {
|
|
for (var i = 1; i < 10; ++i) {
|
|
this.tickValues.push(i * Math.pow(10, exponent));
|
|
}
|
|
}
|
|
|
|
this.tickValues.push(1.0 * Math.pow(10, maxExponent));
|
|
|
|
if (this.options.position == "left" || this.options.position == "right") {
|
|
// We are in a vertical orientation. The top value is the highest. So reverse the array
|
|
this.tickValues.reverse();
|
|
}
|
|
|
|
// At this point, we need to update our max and min given the tick values since we have expanded the
|
|
// range of the scale
|
|
this.max = helpers.max(this.tickValues);
|
|
this.min = helpers.min(this.tickValues);
|
|
|
|
if (this.options.reverse) {
|
|
this.tickValues.reverse();
|
|
|
|
this.start = this.max;
|
|
this.end = this.min;
|
|
} else {
|
|
this.start = this.min;
|
|
this.end = this.max;
|
|
}
|
|
|
|
this.ticks = [];
|
|
|
|
helpers.each(this.tickValues, function(tick, index, ticks) {
|
|
var label;
|
|
|
|
if (this.options.labels.userCallback) {
|
|
// If the user provided a callback for label generation, use that as first priority
|
|
label = this.options.labels.userCallback(tick, index, ticks);
|
|
} else if (this.options.labels.template) {
|
|
// else fall back to the template string
|
|
label = helpers.template(this.options.labels.template, {
|
|
value: tick
|
|
});
|
|
}
|
|
|
|
this.ticks.push(label); // empty string will not render so we're good
|
|
}, this);
|
|
},
|
|
// Get the correct value. If the value type is object get the x or y based on whether we are horizontal or not
|
|
getRightValue: function(rawValue) {
|
|
return typeof rawValue === "object" ? (this.isHorizontal() ? rawValue.x : rawValue.y) : rawValue;
|
|
},
|
|
getPixelForTick: function(index, includeOffset) {
|
|
return this.getPixelForValue(this.tickValues[index], null, null, includeOffset);
|
|
},
|
|
getPixelForValue: function(value, index, datasetIndex, includeOffset) {
|
|
var pixel;
|
|
|
|
var newVal = this.getRightValue(value);
|
|
var range = helpers.log10(this.end) - helpers.log10(this.start);
|
|
|
|
if (this.isHorizontal()) {
|
|
|
|
if (newVal === 0) {
|
|
pixel = this.left + this.paddingLeft;
|
|
} else {
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
pixel = this.left + (innerWidth / range * (helpers.log10(newVal) - helpers.log10(this.start)));
|
|
return pixel + this.paddingLeft;
|
|
}
|
|
} else {
|
|
// Bottom - top since pixels increase downard on a screen
|
|
if (newVal === 0) {
|
|
pixel = this.top + this.paddingTop;
|
|
} else {
|
|
var innerHeight = this.height - (this.paddingTop + this.paddingBottom);
|
|
return (this.bottom - this.paddingBottom) - (innerHeight / range * (helpers.log10(newVal) - helpers.log10(this.start)));
|
|
}
|
|
}
|
|
|
|
},
|
|
|
|
});
|
|
Chart.scaleService.registerScaleType("logarithmic", LogarithmicScale, defaultConfig);
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
display: true,
|
|
|
|
//Boolean - Whether to animate scaling the chart from the centre
|
|
animate: true,
|
|
|
|
lineArc: false,
|
|
|
|
// grid line settings
|
|
gridLines: {
|
|
show: true,
|
|
color: "rgba(0, 0, 0, 0.1)",
|
|
lineWidth: 1,
|
|
},
|
|
|
|
angleLines: {
|
|
show: true,
|
|
color: "rgba(0,0,0, 0.1)",
|
|
lineWidth: 1
|
|
},
|
|
|
|
// scale numbers
|
|
reverse: false,
|
|
beginAtZero: true,
|
|
|
|
// label settings
|
|
labels: {
|
|
show: true,
|
|
template: "<%=value.toLocaleString()%>",
|
|
fontSize: 12,
|
|
fontStyle: "normal",
|
|
fontColor: "#666",
|
|
fontFamily: "Helvetica Neue",
|
|
|
|
//Boolean - Show a backdrop to the scale label
|
|
showLabelBackdrop: true,
|
|
|
|
//String - The colour of the label backdrop
|
|
backdropColor: "rgba(255,255,255,0.75)",
|
|
|
|
//Number - The backdrop padding above & below the label in pixels
|
|
backdropPaddingY: 2,
|
|
|
|
//Number - The backdrop padding to the side of the label in pixels
|
|
backdropPaddingX: 2,
|
|
},
|
|
|
|
pointLabels: {
|
|
//String - Point label font declaration
|
|
fontFamily: "'Arial'",
|
|
|
|
//String - Point label font weight
|
|
fontStyle: "normal",
|
|
|
|
//Number - Point label font size in pixels
|
|
fontSize: 10,
|
|
|
|
//String - Point label font colour
|
|
fontColor: "#666",
|
|
},
|
|
};
|
|
|
|
var LinearRadialScale = Chart.Element.extend({
|
|
initialize: function() {
|
|
this.height = this.chart.height;
|
|
this.width = this.chart.width;
|
|
this.xCenter = this.chart.width / 2;
|
|
this.yCenter = this.chart.height / 2;
|
|
this.size = helpers.min([this.height, this.width]);
|
|
this.labels = this.data.labels;
|
|
this.drawingArea = (this.options.display) ? (this.size / 2) - (this.options.labels.fontSize / 2 + this.options.labels.backdropPaddingY) : (this.size / 2);
|
|
},
|
|
getValueCount: function() {
|
|
return this.data.labels.length;
|
|
},
|
|
update: function() {
|
|
if (!this.options.lineArc) {
|
|
this.setScaleSize();
|
|
} else {
|
|
this.drawingArea = (this.options.display) ? (this.size / 2) - (this.fontSize / 2 + this.backdropPaddingY) : (this.size / 2);
|
|
}
|
|
|
|
this.buildYLabels();
|
|
},
|
|
calculateRange: function() {
|
|
this.min = null;
|
|
this.max = null;
|
|
|
|
helpers.each(this.data.datasets, function(dataset) {
|
|
helpers.each(dataset.data, function(value, index) {
|
|
if (value === null) return;
|
|
|
|
if (this.min === null) {
|
|
this.min = value;
|
|
} else if (value < this.min) {
|
|
this.min = value;
|
|
}
|
|
|
|
if (this.max === null) {
|
|
this.max = value;
|
|
} else if (value > this.max) {
|
|
this.max = value;
|
|
}
|
|
}, this);
|
|
}, this);
|
|
},
|
|
generateTicks: function() {
|
|
// We need to decide how many ticks we are going to have. Each tick draws a grid line.
|
|
// There are two possibilities. The first is that the user has manually overridden the scale
|
|
// calculations in which case the job is easy. The other case is that we have to do it ourselves
|
|
//
|
|
// We assume at this point that the scale object has been updated with the following values
|
|
// by the chart.
|
|
// min: this is the minimum value of the scale
|
|
// max: this is the maximum value of the scale
|
|
// options: contains the options for the scale. This is referenced from the user settings
|
|
// rather than being cloned. This ensures that updates always propogate to a redraw
|
|
|
|
// Reset the ticks array. Later on, we will draw a grid line at these positions
|
|
// The array simply contains the numerical value of the spots where ticks will be
|
|
this.ticks = [];
|
|
|
|
if (this.options.override) {
|
|
// The user has specified the manual override. We use <= instead of < so that
|
|
// we get the final line
|
|
for (var i = 0; i <= this.options.override.steps; ++i) {
|
|
var value = this.options.override.start + (i * this.options.override.stepWidth);
|
|
this.ticks.push(value);
|
|
}
|
|
} else {
|
|
// Figure out what the max number of ticks we can support it is based on the size of
|
|
// the axis area. For now, we say that the minimum tick spacing in pixels must be 50
|
|
// We also limit the maximum number of ticks to 11 which gives a nice 10 squares on
|
|
// the graph
|
|
|
|
var maxTicks = Math.min(11, Math.ceil(this.drawingArea / (2 * this.options.labels.fontSize)));
|
|
|
|
// Make sure we always have at least 2 ticks
|
|
maxTicks = Math.max(2, maxTicks);
|
|
|
|
// To get a "nice" value for the tick spacing, we will use the appropriately named
|
|
// "nice number" algorithm. See http://stackoverflow.com/questions/8506881/nice-label-algorithm-for-charts-with-minimum-ticks
|
|
// for details.
|
|
|
|
// If we are forcing it to begin at 0, but 0 will already be rendered on the chart,
|
|
// do nothing since that would make the chart weird. If the user really wants a weird chart
|
|
// axis, they can manually override it
|
|
if (this.options.beginAtZero) {
|
|
var minSign = helpers.sign(this.min);
|
|
var maxSign = helpers.sign(this.max);
|
|
|
|
if (minSign < 0 && maxSign < 0) {
|
|
// move the top up to 0
|
|
this.max = 0;
|
|
} else if (minSign > 0 && maxSign > 0) {
|
|
// move the botttom down to 0
|
|
this.min = 0;
|
|
}
|
|
}
|
|
|
|
var niceRange = helpers.niceNum(this.max - this.min, false);
|
|
var spacing = helpers.niceNum(niceRange / (maxTicks - 1), true);
|
|
var niceMin = Math.floor(this.min / spacing) * spacing;
|
|
var niceMax = Math.ceil(this.max / spacing) * spacing;
|
|
|
|
// Put the values into the ticks array
|
|
for (var j = niceMin; j <= niceMax; j += spacing) {
|
|
this.ticks.push(j);
|
|
}
|
|
}
|
|
|
|
if (this.options.position == "left" || this.options.position == "right") {
|
|
// We are in a vertical orientation. The top value is the highest. So reverse the array
|
|
this.ticks.reverse();
|
|
}
|
|
|
|
// At this point, we need to update our max and min given the tick values since we have expanded the
|
|
// range of the scale
|
|
this.max = helpers.max(this.ticks);
|
|
this.min = helpers.min(this.ticks);
|
|
},
|
|
buildYLabels: function() {
|
|
this.yLabels = [];
|
|
|
|
helpers.each(this.ticks, function(tick, index, ticks) {
|
|
var label;
|
|
|
|
if (this.options.labels.userCallback) {
|
|
// If the user provided a callback for label generation, use that as first priority
|
|
label = this.options.labels.userCallback(tick, index, ticks);
|
|
} else if (this.options.labels.template) {
|
|
// else fall back to the template string
|
|
label = helpers.template(this.options.labels.template, {
|
|
value: tick
|
|
});
|
|
}
|
|
|
|
this.yLabels.push(label ? label : "");
|
|
}, this);
|
|
},
|
|
getCircumference: function() {
|
|
return ((Math.PI * 2) / this.getValueCount());
|
|
},
|
|
setScaleSize: function() {
|
|
/*
|
|
* Right, this is really confusing and there is a lot of maths going on here
|
|
* The gist of the problem is here: https://gist.github.com/nnnick/696cc9c55f4b0beb8fe9
|
|
*
|
|
* Reaction: https://dl.dropboxusercontent.com/u/34601363/toomuchscience.gif
|
|
*
|
|
* Solution:
|
|
*
|
|
* We assume the radius of the polygon is half the size of the canvas at first
|
|
* at each index we check if the text overlaps.
|
|
*
|
|
* Where it does, we store that angle and that index.
|
|
*
|
|
* After finding the largest index and angle we calculate how much we need to remove
|
|
* from the shape radius to move the point inwards by that x.
|
|
*
|
|
* We average the left and right distances to get the maximum shape radius that can fit in the box
|
|
* along with labels.
|
|
*
|
|
* Once we have that, we can find the centre point for the chart, by taking the x text protrusion
|
|
* on each side, removing that from the size, halving it and adding the left x protrusion width.
|
|
*
|
|
* This will mean we have a shape fitted to the canvas, as large as it can be with the labels
|
|
* and position it in the most space efficient manner
|
|
*
|
|
* https://dl.dropboxusercontent.com/u/34601363/yeahscience.gif
|
|
*/
|
|
|
|
|
|
// Get maximum radius of the polygon. Either half the height (minus the text width) or half the width.
|
|
// Use this to calculate the offset + change. - Make sure L/R protrusion is at least 0 to stop issues with centre points
|
|
var largestPossibleRadius = helpers.min([(this.height / 2 - this.options.pointLabels.fontSize - 5), this.width / 2]),
|
|
pointPosition,
|
|
i,
|
|
textWidth,
|
|
halfTextWidth,
|
|
furthestRight = this.width,
|
|
furthestRightIndex,
|
|
furthestRightAngle,
|
|
furthestLeft = 0,
|
|
furthestLeftIndex,
|
|
furthestLeftAngle,
|
|
xProtrusionLeft,
|
|
xProtrusionRight,
|
|
radiusReductionRight,
|
|
radiusReductionLeft,
|
|
maxWidthRadius;
|
|
this.ctx.font = helpers.fontString(this.options.pointLabels.fontSize, this.options.pointLabels.fontStyle, this.options.pointLabels.fontFamily);
|
|
for (i = 0; i < this.getValueCount(); i++) {
|
|
// 5px to space the text slightly out - similar to what we do in the draw function.
|
|
pointPosition = this.getPointPosition(i, largestPossibleRadius);
|
|
textWidth = this.ctx.measureText(helpers.template(this.options.labels.template, {
|
|
value: this.labels[i]
|
|
})).width + 5;
|
|
if (i === 0 || i === this.getValueCount() / 2) {
|
|
// If we're at index zero, or exactly the middle, we're at exactly the top/bottom
|
|
// of the radar chart, so text will be aligned centrally, so we'll half it and compare
|
|
// w/left and right text sizes
|
|
halfTextWidth = textWidth / 2;
|
|
if (pointPosition.x + halfTextWidth > furthestRight) {
|
|
furthestRight = pointPosition.x + halfTextWidth;
|
|
furthestRightIndex = i;
|
|
}
|
|
if (pointPosition.x - halfTextWidth < furthestLeft) {
|
|
furthestLeft = pointPosition.x - halfTextWidth;
|
|
furthestLeftIndex = i;
|
|
}
|
|
} else if (i < this.getValueCount() / 2) {
|
|
// Less than half the values means we'll left align the text
|
|
if (pointPosition.x + textWidth > furthestRight) {
|
|
furthestRight = pointPosition.x + textWidth;
|
|
furthestRightIndex = i;
|
|
}
|
|
} else if (i > this.getValueCount() / 2) {
|
|
// More than half the values means we'll right align the text
|
|
if (pointPosition.x - textWidth < furthestLeft) {
|
|
furthestLeft = pointPosition.x - textWidth;
|
|
furthestLeftIndex = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
xProtrusionLeft = furthestLeft;
|
|
|
|
xProtrusionRight = Math.ceil(furthestRight - this.width);
|
|
|
|
furthestRightAngle = this.getIndexAngle(furthestRightIndex);
|
|
|
|
furthestLeftAngle = this.getIndexAngle(furthestLeftIndex);
|
|
|
|
radiusReductionRight = xProtrusionRight / Math.sin(furthestRightAngle + Math.PI / 2);
|
|
|
|
radiusReductionLeft = xProtrusionLeft / Math.sin(furthestLeftAngle + Math.PI / 2);
|
|
|
|
// Ensure we actually need to reduce the size of the chart
|
|
radiusReductionRight = (helpers.isNumber(radiusReductionRight)) ? radiusReductionRight : 0;
|
|
radiusReductionLeft = (helpers.isNumber(radiusReductionLeft)) ? radiusReductionLeft : 0;
|
|
|
|
this.drawingArea = largestPossibleRadius - (radiusReductionLeft + radiusReductionRight) / 2;
|
|
|
|
//this.drawingArea = min([maxWidthRadius, (this.height - (2 * (this.pointLabelFontSize + 5)))/2])
|
|
this.setCenterPoint(radiusReductionLeft, radiusReductionRight);
|
|
|
|
},
|
|
setCenterPoint: function(leftMovement, rightMovement) {
|
|
|
|
var maxRight = this.width - rightMovement - this.drawingArea,
|
|
maxLeft = leftMovement + this.drawingArea;
|
|
|
|
this.xCenter = (maxLeft + maxRight) / 2;
|
|
// Always vertically in the centre as the text height doesn't change
|
|
this.yCenter = (this.height / 2);
|
|
},
|
|
|
|
getIndexAngle: function(index) {
|
|
var angleMultiplier = (Math.PI * 2) / this.getValueCount();
|
|
// Start from the top instead of right, so remove a quarter of the circle
|
|
|
|
return index * angleMultiplier - (Math.PI / 2);
|
|
},
|
|
getDistanceFromCenterForValue: function(value) {
|
|
if (value === null) return 0; // null always in center
|
|
// Take into account half font size + the yPadding of the top value
|
|
var scalingFactor = this.drawingArea / (this.max - this.min);
|
|
if (this.options.reverse) {
|
|
return (this.max - value) * scalingFactor;
|
|
} else {
|
|
return (value - this.min) * scalingFactor;
|
|
}
|
|
},
|
|
getPointPosition: function(index, distanceFromCenter) {
|
|
var thisAngle = this.getIndexAngle(index);
|
|
return {
|
|
x: (Math.cos(thisAngle) * distanceFromCenter) + this.xCenter,
|
|
y: (Math.sin(thisAngle) * distanceFromCenter) + this.yCenter
|
|
};
|
|
},
|
|
getPointPositionForValue: function(index, value) {
|
|
return this.getPointPosition(index, this.getDistanceFromCenterForValue(value));
|
|
},
|
|
draw: function() {
|
|
if (this.options.display) {
|
|
var ctx = this.ctx;
|
|
helpers.each(this.yLabels, function(label, index) {
|
|
// Don't draw a centre value (if it is minimum)
|
|
if (index > 0 || this.options.reverse) {
|
|
var yCenterOffset = this.getDistanceFromCenterForValue(this.ticks[index]);
|
|
var yHeight = this.yCenter - yCenterOffset;
|
|
|
|
// Draw circular lines around the scale
|
|
if (this.options.gridLines.show) {
|
|
ctx.strokeStyle = this.options.gridLines.color;
|
|
ctx.lineWidth = this.options.gridLines.lineWidth;
|
|
|
|
if (this.options.lineArc) {
|
|
// Draw circular arcs between the points
|
|
ctx.beginPath();
|
|
ctx.arc(this.xCenter, this.yCenter, yCenterOffset, 0, Math.PI * 2);
|
|
ctx.closePath();
|
|
ctx.stroke();
|
|
} else {
|
|
// Draw straight lines connecting each index
|
|
ctx.beginPath();
|
|
for (var i = 0; i < this.getValueCount(); i++) {
|
|
var pointPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.ticks[index]));
|
|
if (i === 0) {
|
|
ctx.moveTo(pointPosition.x, pointPosition.y);
|
|
} else {
|
|
ctx.lineTo(pointPosition.x, pointPosition.y);
|
|
}
|
|
}
|
|
ctx.closePath();
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
|
|
if (this.options.labels.show) {
|
|
ctx.font = helpers.fontString(this.options.labels.fontSize, this.options.labels.fontStyle, this.options.labels.fontFamily);
|
|
|
|
if (this.options.labels.showLabelBackdrop) {
|
|
var labelWidth = ctx.measureText(label).width;
|
|
ctx.fillStyle = this.options.labels.backdropColor;
|
|
ctx.fillRect(
|
|
this.xCenter - labelWidth / 2 - this.options.labels.backdropPaddingX,
|
|
yHeight - this.fontSize / 2 - this.options.labels.backdropPaddingY,
|
|
labelWidth + this.options.labels.backdropPaddingX * 2,
|
|
this.options.labels.fontSize + this.options.labels.backdropPaddingY * 2
|
|
);
|
|
}
|
|
|
|
ctx.textAlign = 'center';
|
|
ctx.textBaseline = "middle";
|
|
ctx.fillStyle = this.options.labels.fontColor;
|
|
ctx.fillText(label, this.xCenter, yHeight);
|
|
}
|
|
}
|
|
}, this);
|
|
|
|
if (!this.options.lineArc) {
|
|
ctx.lineWidth = this.options.angleLines.lineWidth;
|
|
ctx.strokeStyle = this.options.angleLines.color;
|
|
|
|
for (var i = this.getValueCount() - 1; i >= 0; i--) {
|
|
if (this.options.angleLines.show) {
|
|
var outerPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max));
|
|
ctx.beginPath();
|
|
ctx.moveTo(this.xCenter, this.yCenter);
|
|
ctx.lineTo(outerPosition.x, outerPosition.y);
|
|
ctx.stroke();
|
|
ctx.closePath();
|
|
}
|
|
// Extra 3px out for some label spacing
|
|
var pointLabelPosition = this.getPointPosition(i, this.getDistanceFromCenterForValue(this.options.reverse ? this.min : this.max) + 5);
|
|
ctx.font = helpers.fontString(this.options.pointLabels.fontSize, this.options.pointLabels.fontStyle, this.options.pointLabels.fontFamily);
|
|
ctx.fillStyle = this.options.pointLabels.fontColor;
|
|
|
|
var labelsCount = this.labels.length,
|
|
halfLabelsCount = this.labels.length / 2,
|
|
quarterLabelsCount = halfLabelsCount / 2,
|
|
upperHalf = (i < quarterLabelsCount || i > labelsCount - quarterLabelsCount),
|
|
exactQuarter = (i === quarterLabelsCount || i === labelsCount - quarterLabelsCount);
|
|
if (i === 0) {
|
|
ctx.textAlign = 'center';
|
|
} else if (i === halfLabelsCount) {
|
|
ctx.textAlign = 'center';
|
|
} else if (i < halfLabelsCount) {
|
|
ctx.textAlign = 'left';
|
|
} else {
|
|
ctx.textAlign = 'right';
|
|
}
|
|
|
|
// Set the correct text baseline based on outer positioning
|
|
if (exactQuarter) {
|
|
ctx.textBaseline = 'middle';
|
|
} else if (upperHalf) {
|
|
ctx.textBaseline = 'bottom';
|
|
} else {
|
|
ctx.textBaseline = 'top';
|
|
}
|
|
|
|
ctx.fillText(this.labels[i], pointLabelPosition.x, pointLabelPosition.y);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
});
|
|
Chart.scaleService.registerScaleType("radialLinear", LinearRadialScale, defaultConfig);
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
var time = {
|
|
units: [
|
|
'millisecond',
|
|
'second',
|
|
'minute',
|
|
'hour',
|
|
'day',
|
|
'week',
|
|
'month',
|
|
'quarter',
|
|
'year',
|
|
],
|
|
unit: {
|
|
'millisecond': {
|
|
display: 'SSS [ms]', // 002 ms
|
|
maxStep: 1000,
|
|
},
|
|
'second': {
|
|
display: 'h:mm:ss a', // 11:20:01 AM
|
|
maxStep: 60,
|
|
},
|
|
'minute': {
|
|
display: 'h:mm:ss a', // 11:20:01 AM
|
|
maxStep: 60,
|
|
},
|
|
'hour': {
|
|
display: 'MMM D, hA', // Sept 4, 5PM
|
|
maxStep: 24,
|
|
},
|
|
'day': {
|
|
display: 'll', // Sep 4 2015
|
|
maxStep: 7,
|
|
},
|
|
'week': {
|
|
display: 'll', // Week 46, or maybe "[W]WW - YYYY" ?
|
|
maxStep: 4.3333,
|
|
},
|
|
'month': {
|
|
display: 'MMM YYYY', // Sept 2015
|
|
maxStep: 12,
|
|
},
|
|
'quarter': {
|
|
display: '[Q]Q - YYYY', // Q3
|
|
maxStep: 4,
|
|
},
|
|
'year': {
|
|
display: 'YYYY', // 2015
|
|
maxStep: false,
|
|
},
|
|
}
|
|
};
|
|
|
|
var defaultConfig = {
|
|
position: "bottom",
|
|
|
|
time: {
|
|
format: false, // false == date objects or use 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, // defaults to unit's corresponding unitFormat below or override using pattern string from http://momentjs.com/docs/#/displaying/format/
|
|
},
|
|
};
|
|
|
|
var TimeScale = Chart.Scale.extend({
|
|
buildTicks: function(index) {
|
|
|
|
this.ticks = [];
|
|
this.labelMoments = [];
|
|
|
|
// Parse each label into a moment
|
|
this.data.labels.forEach(function(label, index) {
|
|
var labelMoment = this.parseTime(label);
|
|
if (this.options.time.round) {
|
|
labelMoment.startOf(this.options.time.round);
|
|
}
|
|
this.labelMoments.push(labelMoment);
|
|
}, this);
|
|
|
|
// Find the first and last moments, and range
|
|
this.firstTick = moment.min.call(this, this.labelMoments).clone();
|
|
this.lastTick = moment.max.call(this, this.labelMoments).clone();
|
|
|
|
// Set unit override if applicable
|
|
if (this.options.time.unit) {
|
|
this.tickUnit = this.options.time.unit || 'day';
|
|
this.displayFormat = time.unit.day.display;
|
|
this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit, true));
|
|
} else {
|
|
// Determine the smallest needed unit of the time
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
var labelCapacity = innerWidth / this.options.ticks.fontSize + 4;
|
|
var buffer = this.options.time.round ? 0 : 2;
|
|
|
|
this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, true) + buffer);
|
|
var done;
|
|
|
|
helpers.each(time.units, function(format) {
|
|
if (this.tickRange <= labelCapacity) {
|
|
return;
|
|
}
|
|
this.tickUnit = format;
|
|
this.tickRange = Math.ceil(this.lastTick.diff(this.firstTick, this.tickUnit) + buffer);
|
|
this.displayFormat = time.unit[format].display;
|
|
|
|
}, this);
|
|
}
|
|
|
|
this.firstTick.startOf(this.tickUnit);
|
|
this.lastTick.endOf(this.tickUnit);
|
|
this.smallestLabelSeparation = this.width;
|
|
|
|
var i = 0;
|
|
|
|
for (i = 1; i < this.labelMoments.length; i++) {
|
|
this.smallestLabelSeparation = Math.min(this.smallestLabelSeparation, this.labelMoments[i].diff(this.labelMoments[i - 1], this.tickUnit, true));
|
|
}
|
|
|
|
|
|
// Tick displayFormat override
|
|
if (this.options.time.displayFormat) {
|
|
this.displayFormat = this.options.time.displayFormat;
|
|
}
|
|
|
|
// For every unit in between the first and last moment, create a moment and add it to the ticks tick
|
|
if (this.options.ticks.userCallback) {
|
|
for (i = 0; i <= this.tickRange; i++) {
|
|
this.ticks.push(
|
|
this.options.ticks.userCallback(this.firstTick.clone()
|
|
.add(i, this.tickUnit)
|
|
.format(this.options.time.displayFormat ? this.options.time.displayFormat : time.unit[this.tickUnit].display)
|
|
)
|
|
);
|
|
}
|
|
} else {
|
|
for (i = 0; i <= this.tickRange; i++) {
|
|
this.ticks.push(this.firstTick.clone()
|
|
.add(i, this.tickUnit)
|
|
.format(this.options.time.displayFormat ? this.options.time.displayFormat : time.unit[this.tickUnit].display)
|
|
);
|
|
}
|
|
}
|
|
},
|
|
getPixelForValue: function(value, index, datasetIndex, includeOffset) {
|
|
|
|
var offset = this.labelMoments[index].diff(this.firstTick, this.tickUnit, true);
|
|
|
|
var decimal = offset / this.tickRange;
|
|
|
|
if (this.isHorizontal()) {
|
|
var innerWidth = this.width - (this.paddingLeft + this.paddingRight);
|
|
var valueWidth = innerWidth / Math.max(this.ticks.length - 1, 1);
|
|
var valueOffset = (innerWidth * decimal) + this.paddingLeft;
|
|
|
|
return this.left + Math.round(valueOffset);
|
|
} else {
|
|
return this.top + (decimal * (this.height / this.ticks.length));
|
|
}
|
|
},
|
|
parseTime: function(label) {
|
|
// Date objects
|
|
if (typeof label.getMonth === 'function' || typeof label == 'number') {
|
|
return moment(label);
|
|
}
|
|
// Moment support
|
|
if (label.isValid && label.isValid()) {
|
|
return label;
|
|
}
|
|
// Custom parsing (return an instance of moment)
|
|
if (typeof this.options.time.format !== 'string' && this.options.time.format.call) {
|
|
return this.options.time.format(label);
|
|
}
|
|
// Moment format parsing
|
|
return moment(label, this.options.time.format);
|
|
},
|
|
});
|
|
Chart.scaleService.registerScaleType("time", TimeScale, defaultConfig);
|
|
|
|
}).call(this);
|
|
|
|
/*!
|
|
* Chart.js
|
|
* http://chartjs.org/
|
|
* Version: 2.0.0-alpha
|
|
*
|
|
* Copyright 2015 Nick Downie
|
|
* Released under the MIT license
|
|
* https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
|
|
*/
|
|
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.elements.arc = {
|
|
backgroundColor: Chart.defaults.global.defaultColor,
|
|
borderColor: "#fff",
|
|
borderWidth: 2
|
|
};
|
|
|
|
Chart.elements.Arc = Chart.Element.extend({
|
|
inLabelRange: function(mouseX) {
|
|
var vm = this._view;
|
|
|
|
if (vm) {
|
|
return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hoverRadius, 2));
|
|
} else {
|
|
return false;
|
|
}
|
|
},
|
|
inRange: function(chartX, chartY) {
|
|
|
|
var vm = this._view;
|
|
|
|
if (vm) {
|
|
var pointRelativePosition = helpers.getAngleFromPoint(vm, {
|
|
x: chartX,
|
|
y: chartY
|
|
});
|
|
|
|
// Put into the range of (-PI/2, 3PI/2]
|
|
var startAngle = vm.startAngle < (-0.5 * Math.PI) ? vm.startAngle + (2.0 * Math.PI) : vm.startAngle > (1.5 * Math.PI) ? vm.startAngle - (2.0 * Math.PI) : vm.startAngle;
|
|
var endAngle = vm.endAngle < (-0.5 * Math.PI) ? vm.endAngle + (2.0 * Math.PI) : vm.endAngle > (1.5 * Math.PI) ? vm.endAngle - (2.0 * Math.PI) : vm.endAngle
|
|
|
|
//Check if within the range of the open/close angle
|
|
var betweenAngles = (pointRelativePosition.angle >= startAngle && pointRelativePosition.angle <= endAngle),
|
|
withinRadius = (pointRelativePosition.distance >= vm.innerRadius && pointRelativePosition.distance <= vm.outerRadius);
|
|
|
|
return (betweenAngles && withinRadius);
|
|
} else {
|
|
return false;
|
|
}
|
|
},
|
|
tooltipPosition: function() {
|
|
var vm = this._view;
|
|
|
|
var centreAngle = vm.startAngle + ((vm.endAngle - vm.startAngle) / 2),
|
|
rangeFromCentre = (vm.outerRadius - vm.innerRadius) / 2 + vm.innerRadius;
|
|
return {
|
|
x: vm.x + (Math.cos(centreAngle) * rangeFromCentre),
|
|
y: vm.y + (Math.sin(centreAngle) * rangeFromCentre)
|
|
};
|
|
},
|
|
draw: function() {
|
|
|
|
var ctx = this._chart.ctx;
|
|
var vm = this._view;
|
|
|
|
ctx.beginPath();
|
|
|
|
ctx.arc(vm.x, vm.y, vm.outerRadius, vm.startAngle, vm.endAngle);
|
|
|
|
ctx.arc(vm.x, vm.y, vm.innerRadius, vm.endAngle, vm.startAngle, true);
|
|
|
|
ctx.closePath();
|
|
ctx.strokeStyle = vm.borderColor;
|
|
ctx.lineWidth = vm.borderWidth;
|
|
|
|
ctx.fillStyle = vm.backgroundColor;
|
|
|
|
ctx.fill();
|
|
ctx.lineJoin = 'bevel';
|
|
|
|
if (vm.borderWidth) {
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
}).call(this);
|
|
|
|
/*!
|
|
* Chart.js
|
|
* http://chartjs.org/
|
|
* Version: 2.0.0-alpha
|
|
*
|
|
* Copyright 2015 Nick Downie
|
|
* Released under the MIT license
|
|
* https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
|
|
*/
|
|
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.elements.line = {
|
|
tension: 0.4,
|
|
backgroundColor: Chart.defaults.global.defaultColor,
|
|
borderWidth: 3,
|
|
borderColor: Chart.defaults.global.defaultColor,
|
|
borderCapStyle: 'butt',
|
|
borderDash: [],
|
|
borderDashOffset: 0.0,
|
|
borderJoinStyle: 'miter',
|
|
fill: true, // do we fill in the area between the line and its base axis
|
|
skipNull: true,
|
|
drawNull: false,
|
|
};
|
|
|
|
|
|
Chart.elements.Line = Chart.Element.extend({
|
|
draw: function() {
|
|
|
|
var vm = this._view;
|
|
var ctx = this._chart.ctx;
|
|
var first = this._children[0];
|
|
var last = this._children[this._children.length - 1];
|
|
|
|
ctx.save();
|
|
|
|
// Draw the background first (so the border is always on top)
|
|
helpers.each(this._children, function(point, index) {
|
|
var previous = helpers.previousItem(this._children, index);
|
|
var next = helpers.nextItem(this._children, index);
|
|
|
|
// First point only
|
|
if (index === 0) {
|
|
ctx.moveTo(point._view.x, point._view.y);
|
|
return;
|
|
}
|
|
|
|
// Start Skip and drag along scale baseline
|
|
if (point._view.skip && vm.skipNull && !this._loop) {
|
|
ctx.lineTo(previous._view.x, point._view.y);
|
|
ctx.moveTo(next._view.x, point._view.y);
|
|
}
|
|
// End Skip Stright line from the base line
|
|
else if (previous._view.skip && vm.skipNull && !this._loop) {
|
|
ctx.moveTo(point._view.x, previous._view.y);
|
|
ctx.lineTo(point._view.x, point._view.y);
|
|
}
|
|
|
|
if (previous._view.skip && vm.skipNull) {
|
|
ctx.moveTo(point._view.x, point._view.y);
|
|
}
|
|
// Normal Bezier Curve
|
|
else {
|
|
if (vm.tension > 0) {
|
|
ctx.bezierCurveTo(
|
|
previous._view.controlPointNextX,
|
|
previous._view.controlPointNextY,
|
|
point._view.controlPointPreviousX,
|
|
point._view.controlPointPreviousY,
|
|
point._view.x,
|
|
point._view.y
|
|
);
|
|
} else {
|
|
ctx.lineTo(point._view.x, point._view.y);
|
|
}
|
|
}
|
|
}, this);
|
|
|
|
// For radial scales, loop back around to the first point
|
|
if (this._loop) {
|
|
if (vm.tension > 0 && !first._view.skip) {
|
|
|
|
ctx.bezierCurveTo(
|
|
last._view.controlPointNextX,
|
|
last._view.controlPointNextY,
|
|
first._view.controlPointPreviousX,
|
|
first._view.controlPointPreviousY,
|
|
first._view.x,
|
|
first._view.y
|
|
);
|
|
} else {
|
|
ctx.lineTo(first._view.x, first._view.y);
|
|
}
|
|
}
|
|
|
|
// If we had points and want to fill this line, do so.
|
|
if (this._children.length > 0 && vm.fill) {
|
|
//Round off the line by going to the base of the chart, back to the start, then fill.
|
|
ctx.lineTo(this._children[this._children.length - 1]._view.x, vm.scaleZero);
|
|
ctx.lineTo(this._children[0]._view.x, vm.scaleZero);
|
|
ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;
|
|
ctx.closePath();
|
|
ctx.fill();
|
|
}
|
|
|
|
|
|
// Now draw the line between all the points with any borders
|
|
ctx.lineCap = vm.borderCapStyle || Chart.defaults.global.elements.line.borderCapStyle;
|
|
|
|
// IE 9 and 10 do not support line dash
|
|
if (ctx.setLineDash) {
|
|
ctx.setLineDash(vm.borderDash || Chart.defaults.global.elements.line.borderDash);
|
|
}
|
|
|
|
ctx.lineDashOffset = vm.borderDashOffset || Chart.defaults.global.elements.line.borderDashOffset;
|
|
ctx.lineJoin = vm.borderJoinStyle || Chart.defaults.global.elements.line.borderJoinStyle;
|
|
ctx.lineWidth = vm.borderWidth || Chart.defaults.global.elements.line.borderWidth;
|
|
ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
|
|
ctx.beginPath();
|
|
|
|
helpers.each(this._children, function(point, index) {
|
|
var previous = helpers.previousItem(this._children, index);
|
|
var next = helpers.nextItem(this._children, index);
|
|
|
|
// First point only
|
|
if (index === 0) {
|
|
ctx.moveTo(point._view.x, point._view.y);
|
|
return;
|
|
}
|
|
|
|
// Start Skip and drag along scale baseline
|
|
if (point._view.skip && vm.skipNull && !this._loop) {
|
|
ctx.moveTo(previous._view.x, point._view.y);
|
|
ctx.moveTo(next._view.x, point._view.y);
|
|
return;
|
|
}
|
|
// End Skip Stright line from the base line
|
|
if (previous._view.skip && vm.skipNull && !this._loop) {
|
|
ctx.moveTo(point._view.x, previous._view.y);
|
|
ctx.moveTo(point._view.x, point._view.y);
|
|
return;
|
|
}
|
|
|
|
if (previous._view.skip && vm.skipNull) {
|
|
ctx.moveTo(point._view.x, point._view.y);
|
|
return;
|
|
}
|
|
// Normal Bezier Curve
|
|
if (vm.tension > 0) {
|
|
ctx.bezierCurveTo(
|
|
previous._view.controlPointNextX,
|
|
previous._view.controlPointNextY,
|
|
point._view.controlPointPreviousX,
|
|
point._view.controlPointPreviousY,
|
|
point._view.x,
|
|
point._view.y
|
|
);
|
|
} else {
|
|
ctx.lineTo(point._view.x, point._view.y);
|
|
}
|
|
}, this);
|
|
|
|
if (this._loop && !first._view.skip) {
|
|
if (vm.tension > 0) {
|
|
|
|
ctx.bezierCurveTo(
|
|
last._view.controlPointNextX,
|
|
last._view.controlPointNextY,
|
|
first._view.controlPointPreviousX,
|
|
first._view.controlPointPreviousY,
|
|
first._view.x,
|
|
first._view.y
|
|
);
|
|
} else {
|
|
ctx.lineTo(first._view.x, first._view.y);
|
|
}
|
|
}
|
|
|
|
ctx.stroke();
|
|
ctx.restore();
|
|
},
|
|
});
|
|
|
|
}).call(this);
|
|
/*!
|
|
* Chart.js
|
|
* http://chartjs.org/
|
|
* Version: 2.0.0-alpha
|
|
*
|
|
* Copyright 2015 Nick Downie
|
|
* Released under the MIT license
|
|
* https://github.com/nnnick/Chart.js/blob/master/LICENSE.md
|
|
*/
|
|
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.elements.point = {
|
|
radius: 3,
|
|
backgroundColor: Chart.defaults.global.defaultColor,
|
|
borderWidth: 1,
|
|
borderColor: Chart.defaults.global.defaultColor,
|
|
// Hover
|
|
hitRadius: 1,
|
|
hoverRadius: 4,
|
|
hoverBorderWidth: 1,
|
|
};
|
|
|
|
|
|
Chart.elements.Point = Chart.Element.extend({
|
|
inRange: function(mouseX, mouseY) {
|
|
var vm = this._view;
|
|
|
|
if (vm) {
|
|
var hoverRange = vm.hitRadius + vm.radius;
|
|
return ((Math.pow(mouseX - vm.x, 2) + Math.pow(mouseY - vm.y, 2)) < Math.pow(hoverRange, 2));
|
|
} else {
|
|
return false;
|
|
}
|
|
},
|
|
inLabelRange: function(mouseX) {
|
|
var vm = this._view;
|
|
|
|
if (vm) {
|
|
return (Math.pow(mouseX - vm.x, 2) < Math.pow(vm.radius + vm.hitRadius, 2));
|
|
} else {
|
|
return false;
|
|
}
|
|
},
|
|
tooltipPosition: function() {
|
|
var vm = this._view;
|
|
return {
|
|
x: vm.x,
|
|
y: vm.y,
|
|
padding: vm.radius + vm.borderWidth
|
|
};
|
|
},
|
|
draw: function() {
|
|
|
|
var vm = this._view;
|
|
var ctx = this._chart.ctx;
|
|
|
|
|
|
if (vm.skip) {
|
|
return;
|
|
}
|
|
|
|
if (vm.radius > 0 || vm.borderWidth > 0) {
|
|
|
|
ctx.beginPath();
|
|
|
|
ctx.arc(vm.x, vm.y, vm.radius || Chart.defaults.global.elements.point.radius, 0, Math.PI * 2);
|
|
ctx.closePath();
|
|
|
|
ctx.strokeStyle = vm.borderColor || Chart.defaults.global.defaultColor;
|
|
ctx.lineWidth = vm.borderWidth || Chart.defaults.global.elements.point.borderWidth;
|
|
|
|
ctx.fillStyle = vm.backgroundColor || Chart.defaults.global.defaultColor;
|
|
|
|
ctx.fill();
|
|
ctx.stroke();
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
|
|
"use strict";
|
|
|
|
var root = this,
|
|
Chart = root.Chart,
|
|
helpers = Chart.helpers;
|
|
|
|
Chart.defaults.global.elements.rectangle = {
|
|
backgroundColor: Chart.defaults.global.defaultColor,
|
|
borderWidth: 0,
|
|
borderColor: Chart.defaults.global.defaultColor,
|
|
};
|
|
|
|
Chart.elements.Rectangle = Chart.Element.extend({
|
|
draw: function() {
|
|
|
|
var ctx = this._chart.ctx;
|
|
var vm = this._view;
|
|
|
|
var halfWidth = vm.width / 2,
|
|
leftX = vm.x - halfWidth,
|
|
rightX = vm.x + halfWidth,
|
|
top = vm.base - (vm.base - vm.y),
|
|
halfStroke = vm.borderWidth / 2;
|
|
|
|
// Canvas doesn't allow us to stroke inside the width so we can
|
|
// adjust the sizes to fit if we're setting a stroke on the line
|
|
if (vm.borderWidth) {
|
|
leftX += halfStroke;
|
|
rightX -= halfStroke;
|
|
top += halfStroke;
|
|
}
|
|
|
|
ctx.beginPath();
|
|
|
|
ctx.fillStyle = vm.backgroundColor;
|
|
ctx.strokeStyle = vm.borderColor;
|
|
ctx.lineWidth = vm.borderWidth;
|
|
|
|
// It'd be nice to keep this class totally generic to any rectangle
|
|
// and simply specify which border to miss out.
|
|
ctx.moveTo(leftX, vm.base);
|
|
ctx.lineTo(leftX, top);
|
|
ctx.lineTo(rightX, top);
|
|
ctx.lineTo(rightX, vm.base);
|
|
ctx.fill();
|
|
if (vm.borderWidth) {
|
|
ctx.stroke();
|
|
}
|
|
},
|
|
height: function() {
|
|
var vm = this._view;
|
|
return vm.base - vm.y;
|
|
},
|
|
inRange: function(mouseX, mouseY) {
|
|
var vm = this._view;
|
|
var inRange = false;
|
|
|
|
if (vm) {
|
|
if (vm.y < vm.base) {
|
|
inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.y && mouseY <= vm.base);
|
|
} else {
|
|
inRange = (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2) && (mouseY >= vm.base && mouseY <= vm.y);
|
|
}
|
|
}
|
|
|
|
return inRange;
|
|
},
|
|
inLabelRange: function(mouseX) {
|
|
var vm = this._view;
|
|
|
|
if (vm) {
|
|
return (mouseX >= vm.x - vm.width / 2 && mouseX <= vm.x + vm.width / 2);
|
|
} else {
|
|
return false;
|
|
}
|
|
},
|
|
tooltipPosition: function() {
|
|
var vm = this._view;
|
|
if (vm.y < vm.base) {
|
|
return {
|
|
x: vm.x,
|
|
y: vm.y
|
|
};
|
|
} else {
|
|
return {
|
|
x: vm.x,
|
|
y: vm.base
|
|
};
|
|
}
|
|
},
|
|
});
|
|
|
|
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
Chart.Bar = function(context, config) {
|
|
config.type = 'bar';
|
|
|
|
return new Chart(context, config);
|
|
};
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
aspectRatio: 1,
|
|
legendTemplate: "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i = 0; i < data.datasets[0].data.length; i++){%><li><span style=\"background-color:<%=data.datasets[0].backgroundColor[i]%>\"><%if(data.labels && i < data.labels.length){%><%=data.labels[i]%><%}%></span></li><%}%></ul>",
|
|
};
|
|
|
|
Chart.Doughnut = function(context, config) {
|
|
config.options = helpers.configMerge(defaultConfig, config.options);
|
|
config.type = 'doughnut';
|
|
|
|
return new Chart(context, config);
|
|
}
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
Chart.Line = function(context, config) {
|
|
config.type = 'line';
|
|
|
|
return new Chart(context, config);
|
|
}
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
aspectRatio: 1,
|
|
legendTemplate: "<ul class=\"<%=name.toLowerCase()%>-legend\"><% for (var i = 0; i < data.datasets[0].data.length; i++){%><li><span style=\"background-color:<%=data.datasets[0].backgroundColor[i]%>\"><%if(data.labels && i < data.labels.length){%><%=data.labels[i]%><%}%></span></li><%}%></ul>",
|
|
};
|
|
|
|
Chart.PolarArea = function(context, config) {
|
|
config.options = helpers.configMerge(defaultConfig, config.options);
|
|
config.type = 'polarArea';
|
|
|
|
return new Chart(context, config);
|
|
}
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
aspectRatio: 1,
|
|
};
|
|
|
|
Chart.Radar = function(context, config) {
|
|
config.options = helpers.configMerge(defaultConfig, config.options);
|
|
config.type = 'radar';
|
|
|
|
return new Chart(context, config);
|
|
}
|
|
|
|
}).call(this);
|
|
|
|
(function() {
|
|
"use strict";
|
|
|
|
var root = this;
|
|
var Chart = root.Chart;
|
|
var helpers = Chart.helpers;
|
|
|
|
var defaultConfig = {
|
|
hover: {
|
|
mode: 'single',
|
|
},
|
|
|
|
scales: {
|
|
xAxes: [{
|
|
type: "linear", // scatter should not use a category axis
|
|
position: "bottom",
|
|
id: "x-axis-1", // need an ID so datasets can reference the scale
|
|
}],
|
|
yAxes: [{
|
|
type: "linear",
|
|
position: "left",
|
|
id: "y-axis-1",
|
|
}],
|
|
},
|
|
|
|
tooltips: {
|
|
template: "(<%= value.x %>, <%= value.y %>)",
|
|
multiTemplate: "<%if (datasetLabel){%><%=datasetLabel%>: <%}%>(<%= value.x %>, <%= value.y %>)",
|
|
},
|
|
|
|
};
|
|
|
|
Chart.Scatter = function(context, config) {
|
|
config.options = helpers.configMerge(defaultConfig, config.options);
|
|
config.type = 'line';
|
|
return new Chart(context, config);
|
|
}
|
|
|
|
}).call(this);
|
|
!function e(r,t,n){function a(i,u){if(!t[i]){if(!r[i]){var l="function"==typeof require&&require;if(!u&&l)return l(i,!0);if(s)return s(i,!0);var h=new Error("Cannot find module '"+i+"'");throw h.code="MODULE_NOT_FOUND",h}var o=t[i]={exports:{}};r[i][0].call(o.exports,function(e){var t=r[i][1][e];return a(t?t:e)},o,o.exports,e,r,t,n)}return t[i].exports}for(var s="function"==typeof require&&require,i=0;i<n.length;i++)a(n[i]);return a}({1:[function(e,r,t){!function(){var t=e("color-convert"),n=e("color-string"),a=function(e){if(e instanceof a)return e;if(!(this instanceof a))return new a(e);if(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},"string"==typeof e){var r=n.getRgba(e);if(r)this.setValues("rgb",r);else if(r=n.getHsla(e))this.setValues("hsl",r);else{if(!(r=n.getHwb(e)))throw new Error('Unable to parse color from string "'+e+'"');this.setValues("hwb",r)}}else if("object"==typeof e){var r=e;if(void 0!==r.r||void 0!==r.red)this.setValues("rgb",r);else if(void 0!==r.l||void 0!==r.lightness)this.setValues("hsl",r);else if(void 0!==r.v||void 0!==r.value)this.setValues("hsv",r);else if(void 0!==r.w||void 0!==r.whiteness)this.setValues("hwb",r);else{if(void 0===r.c&&void 0===r.cyan)throw new Error("Unable to parse color from object "+JSON.stringify(e));this.setValues("cmyk",r)}}};a.prototype={rgb:function(e){return this.setSpace("rgb",arguments)},hsl:function(e){return this.setSpace("hsl",arguments)},hsv:function(e){return this.setSpace("hsv",arguments)},hwb:function(e){return this.setSpace("hwb",arguments)},cmyk:function(e){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(){return 1!==this.values.alpha?this.values.hwb.concat([this.values.alpha]):this.values.hwb},cmykArray:function(){return this.values.cmyk},rgbaArray:function(){var e=this.values.rgb;return e.concat([this.values.alpha])},hslaArray:function(){var e=this.values.hsl;return e.concat([this.values.alpha])},alpha:function(e){return void 0===e?this.values.alpha:(this.setValues("alpha",e),this)},red:function(e){return this.setChannel("rgb",0,e)},green:function(e){return this.setChannel("rgb",1,e)},blue:function(e){return this.setChannel("rgb",2,e)},hue:function(e){return this.setChannel("hsl",0,e)},saturation:function(e){return this.setChannel("hsl",1,e)},lightness:function(e){return this.setChannel("hsl",2,e)},saturationv:function(e){return this.setChannel("hsv",1,e)},whiteness:function(e){return this.setChannel("hwb",1,e)},blackness:function(e){return this.setChannel("hwb",2,e)},value:function(e){return this.setChannel("hsv",2,e)},cyan:function(e){return this.setChannel("cmyk",0,e)},magenta:function(e){return this.setChannel("cmyk",1,e)},yellow:function(e){return this.setChannel("cmyk",2,e)},black:function(e){return this.setChannel("cmyk",3,e)},hexString:function(){return n.hexString(this.values.rgb)},rgbString:function(){return n.rgbString(this.values.rgb,this.values.alpha)},rgbaString:function(){return n.rgbaString(this.values.rgb,this.values.alpha)},percentString:function(){return n.percentString(this.values.rgb,this.values.alpha)},hslString:function(){return n.hslString(this.values.hsl,this.values.alpha)},hslaString:function(){return n.hslaString(this.values.hsl,this.values.alpha)},hwbString:function(){return n.hwbString(this.values.hwb,this.values.alpha)},keyword:function(){return n.keyword(this.values.rgb,this.values.alpha)},rgbNumber:function(){return this.values.rgb[0]<<16|this.values.rgb[1]<<8|this.values.rgb[2]},luminosity:function(){for(var e=this.values.rgb,r=[],t=0;t<e.length;t++){var n=e[t]/255;r[t]=.03928>=n?n/12.92:Math.pow((n+.055)/1.055,2.4)}return.2126*r[0]+.7152*r[1]+.0722*r[2]},contrast:function(e){var r=this.luminosity(),t=e.luminosity();return r>t?(r+.05)/(t+.05):(t+.05)/(r+.05)},level:function(e){var r=this.contrast(e);return r>=7.1?"AAA":r>=4.5?"AA":""},dark:function(){var e=this.values.rgb,r=(299*e[0]+587*e[1]+114*e[2])/1e3;return 128>r},light:function(){return!this.dark()},negate:function(){for(var e=[],r=0;3>r;r++)e[r]=255-this.values.rgb[r];return this.setValues("rgb",e),this},lighten:function(e){return this.values.hsl[2]+=this.values.hsl[2]*e,this.setValues("hsl",this.values.hsl),this},darken:function(e){return this.values.hsl[2]-=this.values.hsl[2]*e,this.setValues("hsl",this.values.hsl),this},saturate:function(e){return this.values.hsl[1]+=this.values.hsl[1]*e,this.setValues("hsl",this.values.hsl),this},desaturate:function(e){return this.values.hsl[1]-=this.values.hsl[1]*e,this.setValues("hsl",this.values.hsl),this},whiten:function(e){return this.values.hwb[1]+=this.values.hwb[1]*e,this.setValues("hwb",this.values.hwb),this},blacken:function(e){return this.values.hwb[2]+=this.values.hwb[2]*e,this.setValues("hwb",this.values.hwb),this},greyscale:function(){var e=this.values.rgb,r=.3*e[0]+.59*e[1]+.11*e[2];return this.setValues("rgb",[r,r,r]),this},clearer:function(e){return this.setValues("alpha",this.values.alpha-this.values.alpha*e),this},opaquer:function(e){return this.setValues("alpha",this.values.alpha+this.values.alpha*e),this},rotate:function(e){var r=this.values.hsl[0];return r=(r+e)%360,r=0>r?360+r:r,this.values.hsl[0]=r,this.setValues("hsl",this.values.hsl),this},mix:function(e,r){r=1-(null==r?.5:r);for(var t=2*r-1,n=this.alpha()-e.alpha(),a=((t*n==-1?t:(t+n)/(1+t*n))+1)/2,s=1-a,i=this.rgbArray(),u=e.rgbArray(),l=0;l<i.length;l++)i[l]=i[l]*a+u[l]*s;this.setValues("rgb",i);var h=this.alpha()*r+e.alpha()*(1-r);return this.setValues("alpha",h),this},toJSON:function(){return this.rgb()},clone:function(){return new a(this.rgb())}},a.prototype.getValues=function(e){for(var r={},t=0;t<e.length;t++)r[e.charAt(t)]=this.values[e][t];return 1!=this.values.alpha&&(r.a=this.values.alpha),r},a.prototype.setValues=function(e,r){var n={rgb:["red","green","blue"],hsl:["hue","saturation","lightness"],hsv:["hue","saturation","value"],hwb:["hue","whiteness","blackness"],cmyk:["cyan","magenta","yellow","black"]},a={rgb:[255,255,255],hsl:[360,100,100],hsv:[360,100,100],hwb:[360,100,100],cmyk:[100,100,100,100]},s=1;if("alpha"==e)s=r;else if(r.length)this.values[e]=r.slice(0,e.length),s=r[e.length];else if(void 0!==r[e.charAt(0)]){for(var i=0;i<e.length;i++)this.values[e][i]=r[e.charAt(i)];s=r.a}else if(void 0!==r[n[e][0]]){for(var u=n[e],i=0;i<e.length;i++)this.values[e][i]=r[u[i]];s=r.alpha}if(this.values.alpha=Math.max(0,Math.min(1,void 0!==s?s:this.values.alpha)),"alpha"!=e){for(var i=0;i<e.length;i++){var l=Math.max(0,Math.min(a[e][i],this.values[e][i]));this.values[e][i]=Math.round(l)}for(var h in n){h!=e&&(this.values[h]=t[e][h](this.values[e]));for(var i=0;i<h.length;i++){var l=Math.max(0,Math.min(a[h][i],this.values[h][i]));this.values[h][i]=Math.round(l)}}return!0}},a.prototype.setSpace=function(e,r){var 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Y in W)X[JSON.stringify(W[Y])]=Y},{}],3:[function(e,r,t){var n=e("./conversions"),a=function(){return new h};for(var s in n){a[s+"Raw"]=function(e){return function(r){return"number"==typeof r&&(r=Array.prototype.slice.call(arguments)),n[e](r)}}(s);var i=/(\w+)2(\w+)/.exec(s),u=i[1],l=i[2];a[u]=a[u]||{},a[u][l]=a[s]=function(e){return function(r){"number"==typeof r&&(r=Array.prototype.slice.call(arguments));var t=n[e](r);if("string"==typeof t||void 0===t)return t;for(var a=0;a<t.length;a++)t[a]=Math.round(t[a]);return t}}(s)}var h=function(){this.convs={}};h.prototype.routeSpace=function(e,r){var t=r[0];return void 0===t?this.getValues(e):("number"==typeof t&&(t=Array.prototype.slice.call(r)),this.setValues(e,t))},h.prototype.setValues=function(e,r){return this.space=e,this.convs={},this.convs[e]=r,this},h.prototype.getValues=function(e){var r=this.convs[e];if(!r){var t=this.space,n=this.convs[t];r=a[t][e](n),this.convs[e]=r}return 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w=e("color-name");r.exports={getRgba:n,getHsla:a,getRgb:i,getHsl:u,getHwb:s,getAlpha:l,hexString:h,rgbString:o,rgbaString:c,percentString:g,percentaString:v,hslString:f,hslaString:d,hwbString:b,keyword:p};var k={};for(var M in w)k[w[M]]=M},{"color-name":5}],5:[function(e,r,t){r.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]}},{}]},{},[1]);
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//! moment.js
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//! version : 2.10.6
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//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
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//! license : MIT
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//! momentjs.com
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!function(a,b){"object"==typeof exports&&"undefined"!=typeof module?module.exports=b():"function"==typeof define&&define.amd?define(b):a.moment=b()}(this,function(){"use strict";function a(){return Hc.apply(null,arguments)}function b(a){Hc=a}function c(a){return"[object Array]"===Object.prototype.toString.call(a)}function d(a){return a instanceof Date||"[object Date]"===Object.prototype.toString.call(a)}function e(a,b){var c,d=[];for(c=0;c<a.length;++c)d.push(b(a[c],c));return d}function f(a,b){return Object.prototype.hasOwnProperty.call(a,b)}function g(a,b){for(var c in b)f(b,c)&&(a[c]=b[c]);return f(b,"toString")&&(a.toString=b.toString),f(b,"valueOf")&&(a.valueOf=b.valueOf),a}function h(a,b,c,d){return Ca(a,b,c,d,!0).utc()}function i(){return{empty:!1,unusedTokens:[],unusedInput:[],overflow:-2,charsLeftOver:0,nullInput:!1,invalidMonth:null,invalidFormat:!1,userInvalidated:!1,iso:!1}}function j(a){return null==a._pf&&(a._pf=i()),a._pf}function k(a){if(null==a._isValid){var 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