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776
high/highcharts/js/modules/heatmap.src.js
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776
high/highcharts/js/modules/heatmap.src.js
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/**
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* @license Highcharts JS v5.0.0 (2016-09-29)
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*
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* (c) 2009-2016 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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(function(factory) {
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if (typeof module === 'object' && module.exports) {
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module.exports = factory;
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} else {
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factory(Highcharts);
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}
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}(function(Highcharts) {
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(function(H) {
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/**
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* (c) 2010-2016 Torstein Honsi
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*
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* License: www.highcharts.com/license
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*/
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'use strict';
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var Axis = H.Axis,
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Chart = H.Chart,
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color = H.color,
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ColorAxis,
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each = H.each,
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extend = H.extend,
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isNumber = H.isNumber,
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Legend = H.Legend,
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LegendSymbolMixin = H.LegendSymbolMixin,
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noop = H.noop,
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merge = H.merge,
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pick = H.pick,
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wrap = H.wrap;
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/**
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* The ColorAxis object for inclusion in gradient legends
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*/
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ColorAxis = H.ColorAxis = function() {
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this.init.apply(this, arguments);
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};
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extend(ColorAxis.prototype, Axis.prototype);
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extend(ColorAxis.prototype, {
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defaultColorAxisOptions: {
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lineWidth: 0,
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minPadding: 0,
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maxPadding: 0,
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gridLineWidth: 1,
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tickPixelInterval: 72,
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startOnTick: true,
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endOnTick: true,
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offset: 0,
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marker: {
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animation: {
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duration: 50
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},
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width: 0.01,
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color: '#999999'
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},
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labels: {
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overflow: 'justify'
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},
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minColor: '#e6ebf5',
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maxColor: '#003399',
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tickLength: 5,
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showInLegend: true
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},
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init: function(chart, userOptions) {
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var horiz = chart.options.legend.layout !== 'vertical',
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options;
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this.coll = 'colorAxis';
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// Build the options
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options = merge(this.defaultColorAxisOptions, {
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side: horiz ? 2 : 1,
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reversed: !horiz
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}, userOptions, {
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opposite: !horiz,
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showEmpty: false,
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title: null
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});
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Axis.prototype.init.call(this, chart, options);
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// Base init() pushes it to the xAxis array, now pop it again
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//chart[this.isXAxis ? 'xAxis' : 'yAxis'].pop();
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// Prepare data classes
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if (userOptions.dataClasses) {
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this.initDataClasses(userOptions);
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}
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this.initStops(userOptions);
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// Override original axis properties
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this.horiz = horiz;
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this.zoomEnabled = false;
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// Add default values
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this.defaultLegendLength = 200;
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},
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/*
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* Return an intermediate color between two colors, according to pos where 0
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* is the from color and 1 is the to color.
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* NOTE: Changes here should be copied
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* to the same function in drilldown.src.js and solid-gauge-src.js.
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*/
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tweenColors: function(from, to, pos) {
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// Check for has alpha, because rgba colors perform worse due to lack of
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// support in WebKit.
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var hasAlpha,
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ret;
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// Unsupported color, return to-color (#3920)
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if (!to.rgba.length || !from.rgba.length) {
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ret = to.input || 'none';
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// Interpolate
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} else {
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from = from.rgba;
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to = to.rgba;
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hasAlpha = (to[3] !== 1 || from[3] !== 1);
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ret = (hasAlpha ? 'rgba(' : 'rgb(') +
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Math.round(to[0] + (from[0] - to[0]) * (1 - pos)) + ',' +
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Math.round(to[1] + (from[1] - to[1]) * (1 - pos)) + ',' +
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Math.round(to[2] + (from[2] - to[2]) * (1 - pos)) +
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(hasAlpha ? (',' + (to[3] + (from[3] - to[3]) * (1 - pos))) : '') + ')';
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}
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return ret;
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},
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initDataClasses: function(userOptions) {
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var axis = this,
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chart = this.chart,
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dataClasses,
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colorCounter = 0,
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colorCount = chart.options.chart.colorCount,
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options = this.options,
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len = userOptions.dataClasses.length;
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this.dataClasses = dataClasses = [];
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this.legendItems = [];
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each(userOptions.dataClasses, function(dataClass, i) {
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var colors;
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dataClass = merge(dataClass);
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dataClasses.push(dataClass);
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if (!dataClass.color) {
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if (options.dataClassColor === 'category') {
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colors = chart.options.colors;
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colorCount = colors.length;
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dataClass.color = colors[colorCounter];
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dataClass.colorIndex = colorCounter;
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// increase and loop back to zero
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colorCounter++;
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if (colorCounter === colorCount) {
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colorCounter = 0;
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}
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} else {
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dataClass.color = axis.tweenColors(
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color(options.minColor),
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color(options.maxColor),
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len < 2 ? 0.5 : i / (len - 1) // #3219
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);
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}
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}
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});
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},
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initStops: function(userOptions) {
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this.stops = userOptions.stops || [
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[0, this.options.minColor],
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[1, this.options.maxColor]
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];
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each(this.stops, function(stop) {
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stop.color = color(stop[1]);
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});
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},
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/**
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* Extend the setOptions method to process extreme colors and color
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* stops.
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*/
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setOptions: function(userOptions) {
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Axis.prototype.setOptions.call(this, userOptions);
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this.options.crosshair = this.options.marker;
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},
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setAxisSize: function() {
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var symbol = this.legendSymbol,
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chart = this.chart,
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legendOptions = chart.options.legend || {},
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x,
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y,
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width,
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height;
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if (symbol) {
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this.left = x = symbol.attr('x');
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this.top = y = symbol.attr('y');
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this.width = width = symbol.attr('width');
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this.height = height = symbol.attr('height');
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this.right = chart.chartWidth - x - width;
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this.bottom = chart.chartHeight - y - height;
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this.len = this.horiz ? width : height;
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this.pos = this.horiz ? x : y;
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} else {
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// Fake length for disabled legend to avoid tick issues and such (#5205)
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this.len = (this.horiz ? legendOptions.symbolWidth : legendOptions.symbolHeight) || this.defaultLegendLength;
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}
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},
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/**
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* Translate from a value to a color
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*/
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toColor: function(value, point) {
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var pos,
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stops = this.stops,
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from,
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to,
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color,
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dataClasses = this.dataClasses,
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dataClass,
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i;
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if (dataClasses) {
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i = dataClasses.length;
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while (i--) {
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dataClass = dataClasses[i];
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from = dataClass.from;
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to = dataClass.to;
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if ((from === undefined || value >= from) && (to === undefined || value <= to)) {
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color = dataClass.color;
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if (point) {
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point.dataClass = i;
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point.colorIndex = dataClass.colorIndex;
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}
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break;
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}
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}
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} else {
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if (this.isLog) {
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value = this.val2lin(value);
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}
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pos = 1 - ((this.max - value) / ((this.max - this.min) || 1));
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i = stops.length;
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while (i--) {
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if (pos > stops[i][0]) {
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break;
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}
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}
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from = stops[i] || stops[i + 1];
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to = stops[i + 1] || from;
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// The position within the gradient
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pos = 1 - (to[0] - pos) / ((to[0] - from[0]) || 1);
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color = this.tweenColors(
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from.color,
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to.color,
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pos
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);
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}
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return color;
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},
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/**
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* Override the getOffset method to add the whole axis groups inside the legend.
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*/
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getOffset: function() {
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var group = this.legendGroup,
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sideOffset = this.chart.axisOffset[this.side];
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if (group) {
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// Hook for the getOffset method to add groups to this parent group
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this.axisParent = group;
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// Call the base
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Axis.prototype.getOffset.call(this);
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// First time only
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if (!this.added) {
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this.added = true;
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this.labelLeft = 0;
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this.labelRight = this.width;
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}
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// Reset it to avoid color axis reserving space
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this.chart.axisOffset[this.side] = sideOffset;
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}
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},
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/**
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* Create the color gradient
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*/
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setLegendColor: function() {
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var grad,
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horiz = this.horiz,
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options = this.options,
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reversed = this.reversed,
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one = reversed ? 1 : 0,
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zero = reversed ? 0 : 1;
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grad = horiz ? [one, 0, zero, 0] : [0, zero, 0, one]; // #3190
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this.legendColor = {
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linearGradient: {
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x1: grad[0],
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y1: grad[1],
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x2: grad[2],
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y2: grad[3]
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},
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stops: options.stops || [
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[0, options.minColor],
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[1, options.maxColor]
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]
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};
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},
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/**
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* The color axis appears inside the legend and has its own legend symbol
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*/
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drawLegendSymbol: function(legend, item) {
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var padding = legend.padding,
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legendOptions = legend.options,
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horiz = this.horiz,
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width = pick(legendOptions.symbolWidth, horiz ? this.defaultLegendLength : 12),
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height = pick(legendOptions.symbolHeight, horiz ? 12 : this.defaultLegendLength),
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labelPadding = pick(legendOptions.labelPadding, horiz ? 16 : 30),
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itemDistance = pick(legendOptions.itemDistance, 10);
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this.setLegendColor();
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// Create the gradient
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item.legendSymbol = this.chart.renderer.rect(
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0,
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legend.baseline - 11,
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width,
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height
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).attr({
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zIndex: 1
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}).add(item.legendGroup);
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// Set how much space this legend item takes up
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this.legendItemWidth = width + padding + (horiz ? itemDistance : labelPadding);
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this.legendItemHeight = height + padding + (horiz ? labelPadding : 0);
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},
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/**
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* Fool the legend
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*/
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setState: noop,
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visible: true,
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setVisible: noop,
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getSeriesExtremes: function() {
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var series;
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if (this.series.length) {
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series = this.series[0];
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this.dataMin = series.valueMin;
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this.dataMax = series.valueMax;
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}
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},
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drawCrosshair: function(e, point) {
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var plotX = point && point.plotX,
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plotY = point && point.plotY,
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crossPos,
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axisPos = this.pos,
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axisLen = this.len;
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if (point) {
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crossPos = this.toPixels(point[point.series.colorKey]);
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if (crossPos < axisPos) {
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crossPos = axisPos - 2;
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} else if (crossPos > axisPos + axisLen) {
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crossPos = axisPos + axisLen + 2;
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}
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point.plotX = crossPos;
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point.plotY = this.len - crossPos;
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Axis.prototype.drawCrosshair.call(this, e, point);
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point.plotX = plotX;
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point.plotY = plotY;
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if (this.cross) {
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this.cross
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.addClass('highcharts-coloraxis-marker')
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.add(this.legendGroup);
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this.cross.attr({
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fill: this.crosshair.color
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});
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||||
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}
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||||
}
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||||
},
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getPlotLinePath: function(a, b, c, d, pos) {
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return isNumber(pos) ? // crosshairs only // #3969 pos can be 0 !!
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(this.horiz ? ['M', pos - 4, this.top - 6, 'L', pos + 4, this.top - 6, pos, this.top, 'Z'] : ['M', this.left, pos, 'L', this.left - 6, pos + 6, this.left - 6, pos - 6, 'Z']) :
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Axis.prototype.getPlotLinePath.call(this, a, b, c, d);
|
||||
},
|
||||
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||||
update: function(newOptions, redraw) {
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var chart = this.chart,
|
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legend = chart.legend;
|
||||
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each(this.series, function(series) {
|
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series.isDirtyData = true; // Needed for Axis.update when choropleth colors change
|
||||
});
|
||||
|
||||
// When updating data classes, destroy old items and make sure new ones are created (#3207)
|
||||
if (newOptions.dataClasses && legend.allItems) {
|
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each(legend.allItems, function(item) {
|
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if (item.isDataClass) {
|
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item.legendGroup.destroy();
|
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}
|
||||
});
|
||||
chart.isDirtyLegend = true;
|
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}
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||||
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||||
// Keep the options structure updated for export. Unlike xAxis and yAxis, the colorAxis is
|
||||
// not an array. (#3207)
|
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chart.options[this.coll] = merge(this.userOptions, newOptions);
|
||||
|
||||
Axis.prototype.update.call(this, newOptions, redraw);
|
||||
if (this.legendItem) {
|
||||
this.setLegendColor();
|
||||
legend.colorizeItem(this, true);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the legend item symbols for data classes
|
||||
*/
|
||||
getDataClassLegendSymbols: function() {
|
||||
var axis = this,
|
||||
chart = this.chart,
|
||||
legendItems = this.legendItems,
|
||||
legendOptions = chart.options.legend,
|
||||
valueDecimals = legendOptions.valueDecimals,
|
||||
valueSuffix = legendOptions.valueSuffix || '',
|
||||
name;
|
||||
|
||||
if (!legendItems.length) {
|
||||
each(this.dataClasses, function(dataClass, i) {
|
||||
var vis = true,
|
||||
from = dataClass.from,
|
||||
to = dataClass.to;
|
||||
|
||||
// Assemble the default name. This can be overridden by legend.options.labelFormatter
|
||||
name = '';
|
||||
if (from === undefined) {
|
||||
name = '< ';
|
||||
} else if (to === undefined) {
|
||||
name = '> ';
|
||||
}
|
||||
if (from !== undefined) {
|
||||
name += H.numberFormat(from, valueDecimals) + valueSuffix;
|
||||
}
|
||||
if (from !== undefined && to !== undefined) {
|
||||
name += ' - ';
|
||||
}
|
||||
if (to !== undefined) {
|
||||
name += H.numberFormat(to, valueDecimals) + valueSuffix;
|
||||
}
|
||||
// Add a mock object to the legend items
|
||||
legendItems.push(extend({
|
||||
chart: chart,
|
||||
name: name,
|
||||
options: {},
|
||||
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
|
||||
visible: true,
|
||||
setState: noop,
|
||||
isDataClass: true,
|
||||
setVisible: function() {
|
||||
vis = this.visible = !vis;
|
||||
each(axis.series, function(series) {
|
||||
each(series.points, function(point) {
|
||||
if (point.dataClass === i) {
|
||||
point.setVisible(vis);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
chart.legend.colorizeItem(this, vis);
|
||||
}
|
||||
}, dataClass));
|
||||
});
|
||||
}
|
||||
return legendItems;
|
||||
},
|
||||
name: '' // Prevents 'undefined' in legend in IE8
|
||||
});
|
||||
|
||||
/**
|
||||
* Handle animation of the color attributes directly
|
||||
*/
|
||||
each(['fill', 'stroke'], function(prop) {
|
||||
H.Fx.prototype[prop + 'Setter'] = function() {
|
||||
this.elem.attr(prop, ColorAxis.prototype.tweenColors(color(this.start), color(this.end), this.pos));
|
||||
};
|
||||
});
|
||||
|
||||
/**
|
||||
* Extend the chart getAxes method to also get the color axis
|
||||
*/
|
||||
wrap(Chart.prototype, 'getAxes', function(proceed) {
|
||||
|
||||
var options = this.options,
|
||||
colorAxisOptions = options.colorAxis;
|
||||
|
||||
proceed.call(this);
|
||||
|
||||
this.colorAxis = [];
|
||||
if (colorAxisOptions) {
|
||||
new ColorAxis(this, colorAxisOptions); // eslint-disable-line no-new
|
||||
}
|
||||
});
|
||||
|
||||
|
||||
/**
|
||||
* Wrap the legend getAllItems method to add the color axis. This also removes the
|
||||
* axis' own series to prevent them from showing up individually.
|
||||
*/
|
||||
wrap(Legend.prototype, 'getAllItems', function(proceed) {
|
||||
var allItems = [],
|
||||
colorAxis = this.chart.colorAxis[0];
|
||||
|
||||
if (colorAxis && colorAxis.options) {
|
||||
if (colorAxis.options.showInLegend) {
|
||||
// Data classes
|
||||
if (colorAxis.options.dataClasses) {
|
||||
allItems = allItems.concat(colorAxis.getDataClassLegendSymbols());
|
||||
// Gradient legend
|
||||
} else {
|
||||
// Add this axis on top
|
||||
allItems.push(colorAxis);
|
||||
}
|
||||
}
|
||||
|
||||
// Don't add the color axis' series
|
||||
each(colorAxis.series, function(series) {
|
||||
series.options.showInLegend = false;
|
||||
});
|
||||
}
|
||||
|
||||
return allItems.concat(proceed.call(this));
|
||||
});
|
||||
|
||||
wrap(Legend.prototype, 'colorizeItem', function(proceed, item, visible) {
|
||||
proceed.call(this, item, visible);
|
||||
if (visible && item.legendColor) {
|
||||
item.legendSymbol.attr({
|
||||
fill: item.legendColor
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
}(Highcharts));
|
||||
(function(H) {
|
||||
/**
|
||||
* (c) 2010-2016 Torstein Honsi
|
||||
*
|
||||
* License: www.highcharts.com/license
|
||||
*/
|
||||
'use strict';
|
||||
var defined = H.defined,
|
||||
each = H.each,
|
||||
noop = H.noop,
|
||||
seriesTypes = H.seriesTypes;
|
||||
|
||||
/**
|
||||
* Mixin for maps and heatmaps
|
||||
*/
|
||||
H.colorPointMixin = {
|
||||
/**
|
||||
* Set the visibility of a single point
|
||||
*/
|
||||
setVisible: function(vis) {
|
||||
var point = this,
|
||||
method = vis ? 'show' : 'hide';
|
||||
|
||||
// Show and hide associated elements
|
||||
each(['graphic', 'dataLabel'], function(key) {
|
||||
if (point[key]) {
|
||||
point[key][method]();
|
||||
}
|
||||
});
|
||||
}
|
||||
};
|
||||
|
||||
H.colorSeriesMixin = {
|
||||
pointArrayMap: ['value'],
|
||||
axisTypes: ['xAxis', 'yAxis', 'colorAxis'],
|
||||
optionalAxis: 'colorAxis',
|
||||
trackerGroups: ['group', 'markerGroup', 'dataLabelsGroup'],
|
||||
getSymbol: noop,
|
||||
parallelArrays: ['x', 'y', 'value'],
|
||||
colorKey: 'value',
|
||||
|
||||
|
||||
pointAttribs: seriesTypes.column.prototype.pointAttribs,
|
||||
|
||||
|
||||
/**
|
||||
* In choropleth maps, the color is a result of the value, so this needs translation too
|
||||
*/
|
||||
translateColors: function() {
|
||||
var series = this,
|
||||
nullColor = this.options.nullColor,
|
||||
colorAxis = this.colorAxis,
|
||||
colorKey = this.colorKey;
|
||||
|
||||
each(this.data, function(point) {
|
||||
var value = point[colorKey],
|
||||
color;
|
||||
|
||||
color = point.options.color ||
|
||||
(value === null ? nullColor : (colorAxis && value !== undefined) ? colorAxis.toColor(value, point) : point.color || series.color);
|
||||
|
||||
if (color) {
|
||||
point.color = color;
|
||||
}
|
||||
});
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the color attibutes to apply on the graphic
|
||||
*/
|
||||
colorAttribs: function(point) {
|
||||
var ret = {};
|
||||
if (defined(point.color)) {
|
||||
ret[this.colorProp || 'fill'] = point.color;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
};
|
||||
|
||||
}(Highcharts));
|
||||
(function(H) {
|
||||
/**
|
||||
* (c) 2010-2016 Torstein Honsi
|
||||
*
|
||||
* License: www.highcharts.com/license
|
||||
*/
|
||||
'use strict';
|
||||
var colorPointMixin = H.colorPointMixin,
|
||||
colorSeriesMixin = H.colorSeriesMixin,
|
||||
each = H.each,
|
||||
LegendSymbolMixin = H.LegendSymbolMixin,
|
||||
merge = H.merge,
|
||||
noop = H.noop,
|
||||
pick = H.pick,
|
||||
Series = H.Series,
|
||||
seriesType = H.seriesType,
|
||||
seriesTypes = H.seriesTypes;
|
||||
|
||||
// The Heatmap series type
|
||||
seriesType('heatmap', 'scatter', {
|
||||
animation: false,
|
||||
borderWidth: 0,
|
||||
|
||||
nullColor: '#f7f7f7',
|
||||
|
||||
dataLabels: {
|
||||
formatter: function() { // #2945
|
||||
return this.point.value;
|
||||
},
|
||||
inside: true,
|
||||
verticalAlign: 'middle',
|
||||
crop: false,
|
||||
overflow: false,
|
||||
padding: 0 // #3837
|
||||
},
|
||||
marker: null,
|
||||
pointRange: null, // dynamically set to colsize by default
|
||||
tooltip: {
|
||||
pointFormat: '{point.x}, {point.y}: {point.value}<br/>'
|
||||
},
|
||||
states: {
|
||||
normal: {
|
||||
animation: true
|
||||
},
|
||||
hover: {
|
||||
halo: false, // #3406, halo is not required on heatmaps
|
||||
brightness: 0.2
|
||||
}
|
||||
}
|
||||
}, merge(colorSeriesMixin, {
|
||||
pointArrayMap: ['y', 'value'],
|
||||
hasPointSpecificOptions: true,
|
||||
supportsDrilldown: true,
|
||||
getExtremesFromAll: true,
|
||||
directTouch: true,
|
||||
|
||||
/**
|
||||
* Override the init method to add point ranges on both axes.
|
||||
*/
|
||||
init: function() {
|
||||
var options;
|
||||
seriesTypes.scatter.prototype.init.apply(this, arguments);
|
||||
|
||||
options = this.options;
|
||||
options.pointRange = pick(options.pointRange, options.colsize || 1); // #3758, prevent resetting in setData
|
||||
this.yAxis.axisPointRange = options.rowsize || 1; // general point range
|
||||
},
|
||||
translate: function() {
|
||||
var series = this,
|
||||
options = series.options,
|
||||
xAxis = series.xAxis,
|
||||
yAxis = series.yAxis,
|
||||
between = function(x, a, b) {
|
||||
return Math.min(Math.max(a, x), b);
|
||||
};
|
||||
|
||||
series.generatePoints();
|
||||
|
||||
each(series.points, function(point) {
|
||||
var xPad = (options.colsize || 1) / 2,
|
||||
yPad = (options.rowsize || 1) / 2,
|
||||
x1 = between(Math.round(xAxis.len - xAxis.translate(point.x - xPad, 0, 1, 0, 1)), -xAxis.len, 2 * xAxis.len),
|
||||
x2 = between(Math.round(xAxis.len - xAxis.translate(point.x + xPad, 0, 1, 0, 1)), -xAxis.len, 2 * xAxis.len),
|
||||
y1 = between(Math.round(yAxis.translate(point.y - yPad, 0, 1, 0, 1)), -yAxis.len, 2 * yAxis.len),
|
||||
y2 = between(Math.round(yAxis.translate(point.y + yPad, 0, 1, 0, 1)), -yAxis.len, 2 * yAxis.len);
|
||||
|
||||
// Set plotX and plotY for use in K-D-Tree and more
|
||||
point.plotX = point.clientX = (x1 + x2) / 2;
|
||||
point.plotY = (y1 + y2) / 2;
|
||||
|
||||
point.shapeType = 'rect';
|
||||
point.shapeArgs = {
|
||||
x: Math.min(x1, x2),
|
||||
y: Math.min(y1, y2),
|
||||
width: Math.abs(x2 - x1),
|
||||
height: Math.abs(y2 - y1)
|
||||
};
|
||||
});
|
||||
|
||||
series.translateColors();
|
||||
},
|
||||
drawPoints: function() {
|
||||
seriesTypes.column.prototype.drawPoints.call(this);
|
||||
|
||||
each(this.points, function(point) {
|
||||
point.graphic.attr(this.colorAttribs(point, point.state));
|
||||
}, this);
|
||||
},
|
||||
animate: noop,
|
||||
getBox: noop,
|
||||
drawLegendSymbol: LegendSymbolMixin.drawRectangle,
|
||||
alignDataLabel: seriesTypes.column.prototype.alignDataLabel,
|
||||
getExtremes: function() {
|
||||
// Get the extremes from the value data
|
||||
Series.prototype.getExtremes.call(this, this.valueData);
|
||||
this.valueMin = this.dataMin;
|
||||
this.valueMax = this.dataMax;
|
||||
|
||||
// Get the extremes from the y data
|
||||
Series.prototype.getExtremes.call(this);
|
||||
}
|
||||
|
||||
}), colorPointMixin);
|
||||
|
||||
}(Highcharts));
|
||||
}));
|
||||
Reference in New Issue
Block a user