671 lines
16 KiB
JavaScript
671 lines
16 KiB
JavaScript
/**
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* @license Highcharts JS v2.1.2 (2011-01-12)
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* Exporting module
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*
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* (c) 2010 Torstein Hønsi
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*
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* License: www.highcharts.com/license
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*/
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// JSLint options:
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/*global Highcharts, document, window, Math, setTimeout */
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(function() { // encapsulate
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// create shortcuts
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var HC = Highcharts,
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Chart = HC.Chart,
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addEvent = HC.addEvent,
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createElement = HC.createElement,
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discardElement = HC.discardElement,
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css = HC.css,
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merge = HC.merge,
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each = HC.each,
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extend = HC.extend,
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math = Math,
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mathMax = math.max,
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doc = document,
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win = window,
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hasTouch = 'ontouchstart' in doc.documentElement,
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M = 'M',
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L = 'L',
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DIV = 'div',
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HIDDEN = 'hidden',
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NONE = 'none',
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PREFIX = 'highcharts-',
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ABSOLUTE = 'absolute',
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PX = 'px',
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// Add language and get the defaultOptions
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defaultOptions = HC.setOptions({
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lang: {
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downloadPNG: 'Download PNG image',
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downloadJPEG: 'Download JPEG image',
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downloadPDF: 'Download PDF document',
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downloadSVG: 'Download SVG vector image',
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exportButtonTitle: 'Export to raster or vector image',
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printButtonTitle: 'Print the chart'
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}
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});
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// Buttons and menus are collected in a separate config option set called 'navigation'.
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// This can be extended later to add control buttons like zoom and pan right click menus.
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defaultOptions.navigation = {
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menuStyle: {
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border: '1px solid #A0A0A0',
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background: '#FFFFFF'
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},
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menuItemStyle: {
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padding: '0 5px',
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background: NONE,
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color: '#303030',
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fontSize: hasTouch ? '14px' : '11px'
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},
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menuItemHoverStyle: {
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background: '#4572A5',
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color: '#FFFFFF'
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},
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buttonOptions: {
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align: 'right',
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backgroundColor: {
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linearGradient: [0, 0, 0, 20],
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stops: [
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[0.4, '#F7F7F7'],
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[0.6, '#E3E3E3']
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]
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},
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borderColor: '#B0B0B0',
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borderRadius: 3,
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borderWidth: 1,
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//enabled: true,
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height: 20,
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hoverBorderColor: '#909090',
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hoverSymbolFill: '#81A7CF',
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hoverSymbolStroke: '#4572A5',
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symbolFill: '#E0E0E0',
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//symbolSize: 12,
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symbolStroke: '#A0A0A0',
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//symbolStrokeWidth: 1,
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symbolX: 11.5,
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symbolY: 10.5,
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verticalAlign: 'top',
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width: 24,
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y: 10
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}
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};
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// Add the export related options
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defaultOptions.exporting = {
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//enabled: true,
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//filename: 'chart',
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type: 'image/png',
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url: 'http://export.highcharts.com/',
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width: 800,
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buttons: {
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exportButton: {
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//enabled: true,
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symbol: 'exportIcon',
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x: -10,
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symbolFill: '#A8BF77',
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hoverSymbolFill: '#768F3E',
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_titleKey: 'exportButtonTitle',
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menuItems: [{
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textKey: 'downloadPNG',
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onclick: function() {
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this.exportChart();
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}
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}, {
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textKey: 'downloadJPEG',
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onclick: function() {
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this.exportChart({
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type: 'image/jpeg'
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});
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}
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}, {
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textKey: 'downloadPDF',
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onclick: function() {
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this.exportChart({
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type: 'application/pdf'
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});
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}
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}, {
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textKey: 'downloadSVG',
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onclick: function() {
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this.exportChart({
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type: 'image/svg+xml'
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});
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}
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}/*, {
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text: 'View SVG',
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onclick: function() {
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var svg = this.getSVG()
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.replace(/</g, '\n<')
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.replace(/>/g, '>');
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doc.body.innerHTML = '<pre>'+ svg +'</pre>';
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}
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}*/]
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},
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printButton: {
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//enabled: true,
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symbol: 'printIcon',
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x: -36,
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symbolFill: '#B5C9DF',
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hoverSymbolFill: '#779ABF',
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_titleKey: 'printButtonTitle',
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onclick: function() {
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this.print();
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}
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}
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}
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};
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extend(Chart.prototype, {
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/**
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* Return an SVG representation of the chart
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*
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* @param additionalOptions {Object} Additional chart options for the generated SVG representation
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*/
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getSVG: function(additionalOptions) {
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var chart = this,
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chartCopy,
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sandbox,
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svg,
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seriesOptions,
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config,
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pointOptions,
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pointMarker,
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options = merge(chart.options, additionalOptions); // copy the options and add extra options
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// IE compatibility hack for generating SVG content that it doesn't really understand
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if (!doc.createElementNS) {
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doc.createElementNS = function(ns, tagName) {
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var elem = doc.createElement(tagName);
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elem.getBBox = function() {
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return chart.renderer.Element.prototype.getBBox.apply({ element: elem });
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};
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return elem;
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};
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}
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// create a sandbox where a new chart will be generated
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sandbox = createElement(DIV, null, {
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position: ABSOLUTE,
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top: '-9999em',
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width: chart.chartWidth + PX,
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height: chart.chartHeight + PX
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}, doc.body);
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// override some options
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extend(options.chart, {
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renderTo: sandbox,
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renderer: 'SVG'
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});
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options.exporting.enabled = false; // hide buttons in print
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options.chart.plotBackgroundImage = null; // the converter doesn't handle images
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// prepare for replicating the chart
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options.series = [];
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each(chart.series, function(serie) {
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seriesOptions = serie.options;
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seriesOptions.animation = false; // turn off animation
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seriesOptions.showCheckbox = false;
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// remove image markers
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if (seriesOptions && seriesOptions.marker && /^url\(/.test(seriesOptions.marker.symbol)) {
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seriesOptions.marker.symbol = 'circle';
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}
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seriesOptions.data = [];
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each(serie.data, function(point) {
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/*pointOptions = point.config === null || typeof point.config == 'number' ?
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{ y: point.y } :
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point.config;
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pointOptions.x = point.x;*/
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// extend the options by those values that can be expressed in a number or array config
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config = point.config;
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pointOptions = extend(
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typeof config == 'object' && config.constructor != Array && point.config, {
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x: point.x,
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y: point.y,
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name: point.name
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}
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);
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seriesOptions.data.push(pointOptions); // copy fresh updated data
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// remove image markers
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pointMarker = point.config && point.config.marker;
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if (pointMarker && /^url\(/.test(pointMarker.symbol)) {
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delete pointMarker.symbol;
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}
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});
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options.series.push(seriesOptions);
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});
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// generate the chart copy
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chartCopy = new Highcharts.Chart(options);
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// get the SVG from the container's innerHTML
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svg = chartCopy.container.innerHTML;
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// free up memory
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options = null;
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chartCopy.destroy();
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discardElement(sandbox);
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// sanitize
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svg = svg
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.replace(/zIndex="[^"]+"/g, '')
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.replace(/isShadow="[^"]+"/g, '')
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.replace(/symbolName="[^"]+"/g, '')
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.replace(/jQuery[0-9]+="[^"]+"/g, '')
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.replace(/isTracker="[^"]+"/g, '')
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.replace(/url\([^#]+#/g, 'url(#')
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/* This fails in IE < 8
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.replace(/([0-9]+)\.([0-9]+)/g, function(s1, s2, s3) { // round off to save weight
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return s2 +'.'+ s3[0];
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})*/
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// IE specific
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.replace(/id=([^" >]+)/g, 'id="$1"')
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.replace(/class=([^" ]+)/g, 'class="$1"')
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.replace(/ transform /g, ' ')
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.replace(/:(path|rect)/g, '$1')
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.replace(/style="([^"]+)"/g, function(s) {
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return s.toLowerCase();
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});
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// IE9 beta bugs with innerHTML. Test again with final IE9.
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svg = svg.replace(/(url\(#highcharts-[0-9]+)"/g, '$1')
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.replace(/"/g, "'");
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if (svg.match(/ xmlns="/g).length == 2) {
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svg = svg.replace(/xmlns="[^"]+"/, '');
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}
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return svg;
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},
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/**
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* Submit the SVG representation of the chart to the server
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* @param {Object} options Exporting options. Possible members are url, type and width.
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* @param {Object} chartOptions Additional chart options for the SVG representation of the chart
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*/
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exportChart: function(options, chartOptions) {
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var form,
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chart = this,
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svg = chart.getSVG(chartOptions);
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// merge the options
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options = merge(chart.options.exporting, options);
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// create the form
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form = createElement('form', {
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method: 'post',
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action: options.url
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}, {
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display: NONE
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}, doc.body);
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// add the values
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each(['filename', 'type', 'width', 'svg'], function(name) {
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createElement('input', {
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type: HIDDEN,
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name: name,
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value: {
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filename: options.filename || 'chart',
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type: options.type,
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width: options.width,
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svg: svg
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}[name]
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}, null, form);
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});
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// submit
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form.submit();
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// clean up
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discardElement(form);
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},
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/**
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* Print the chart
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*/
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print: function() {
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var chart = this,
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container = chart.container,
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origDisplay = [],
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origParent = container.parentNode,
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body = doc.body,
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childNodes = body.childNodes;
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if (chart.isPrinting) { // block the button while in printing mode
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return;
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}
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chart.isPrinting = true;
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// hide all body content
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each(childNodes, function(node, i) {
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if (node.nodeType == 1) {
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origDisplay[i] = node.style.display;
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node.style.display = NONE;
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}
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});
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// pull out the chart
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body.appendChild(container);
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// print
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win.print();
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// allow the browser to prepare before reverting
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setTimeout(function() {
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// put the chart back in
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origParent.appendChild(container);
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// restore all body content
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each(childNodes, function(node, i) {
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if (node.nodeType == 1) {
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node.style.display = origDisplay[i];
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}
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});
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chart.isPrinting = false;
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}, 1000);
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},
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/**
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* Display a popup menu for choosing the export type
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*
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* @param {String} name An identifier for the menu
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* @param {Array} items A collection with text and onclicks for the items
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* @param {Number} x The x position of the opener button
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* @param {Number} y The y position of the opener button
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* @param {Number} width The width of the opener button
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* @param {Number} height The height of the opener button
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*/
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contextMenu: function(name, items, x, y, width, height) {
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var chart = this,
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navOptions = chart.options.navigation,
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menuItemStyle = navOptions.menuItemStyle,
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chartWidth = chart.chartWidth,
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chartHeight = chart.chartHeight,
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cacheName = 'cache-'+ name,
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menu = chart[cacheName],
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menuPadding = mathMax(width, height), // for mouse leave detection
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boxShadow = '3px 3px 10px #888',
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innerMenu,
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hide,
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menuStyle;
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// create the menu only the first time
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if (!menu) {
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// create a HTML element above the SVG
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chart[cacheName] = menu = createElement(DIV, {
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className: PREFIX + name
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}, {
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position: ABSOLUTE,
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zIndex: 1000,
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padding: menuPadding + PX
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}, chart.container);
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innerMenu = createElement(DIV, null,
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extend({
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MozBoxShadow: boxShadow,
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WebkitBoxShadow: boxShadow,
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boxShadow: boxShadow
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}, navOptions.menuStyle) , menu);
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// hide on mouse out
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hide = function() {
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css(menu, { display: NONE });
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};
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addEvent(menu, 'mouseleave', hide);
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// create the items
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each(items, function(item) {
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if (item) {
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var div = createElement(DIV, {
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onmouseover: function() {
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css(this, navOptions.menuItemHoverStyle);
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},
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onmouseout: function() {
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css(this, menuItemStyle);
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},
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innerHTML: item.text || HC.getOptions().lang[item.textKey]
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}, extend({
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cursor: 'pointer'
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}, menuItemStyle), innerMenu);
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div[hasTouch ? 'ontouchstart' : 'onclick'] = function() {
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hide();
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item.onclick.apply(chart, arguments);
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};
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}
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});
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chart.exportMenuWidth = menu.offsetWidth;
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chart.exportMenuHeight = menu.offsetHeight;
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}
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menuStyle = { display: 'block' };
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// if outside right, right align it
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if (x + chart.exportMenuWidth > chartWidth) {
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menuStyle.right = (chartWidth - x - width - menuPadding) + PX;
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} else {
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menuStyle.left = (x - menuPadding) + PX;
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}
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// if outside bottom, bottom align it
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if (y + height + chart.exportMenuHeight > chartHeight) {
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menuStyle.bottom = (chartHeight - y - menuPadding) + PX;
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} else {
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menuStyle.top = (y + height - menuPadding) + PX;
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}
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css(menu, menuStyle);
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},
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/**
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* Add the export button to the chart
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*/
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addButton: function(options) {
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var chart = this,
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renderer = chart.renderer,
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btnOptions = merge(chart.options.navigation.buttonOptions, options),
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onclick = btnOptions.onclick,
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menuItems = btnOptions.menuItems,
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/*position = chart.getAlignment(btnOptions),
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buttonLeft = position.x,
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buttonTop = position.y,*/
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buttonWidth = btnOptions.width,
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buttonHeight = btnOptions.height,
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box,
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symbol,
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button,
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borderWidth = btnOptions.borderWidth,
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boxAttr = {
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stroke: btnOptions.borderColor
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},
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symbolAttr = {
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stroke: btnOptions.symbolStroke,
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fill: btnOptions.symbolFill
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};
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if (btnOptions.enabled === false) {
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return;
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}
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// element to capture the click
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function revert() {
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symbol.attr(symbolAttr);
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box.attr(boxAttr);
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}
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// the box border
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box = renderer.rect(
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0,
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0,
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buttonWidth,
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buttonHeight,
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btnOptions.borderRadius,
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borderWidth
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)
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//.translate(buttonLeft, buttonTop) // to allow gradients
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.align(btnOptions, true)
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.attr(extend({
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fill: btnOptions.backgroundColor,
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'stroke-width': borderWidth,
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zIndex: 19
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}, boxAttr)).add();
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// the invisible element to track the clicks
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button = renderer.rect(
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0,
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0,
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buttonWidth,
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buttonHeight,
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0
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)
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.align(btnOptions)
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.attr({
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fill: 'rgba(255, 255, 255, 0.001)',
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title: HC.getOptions().lang[btnOptions._titleKey],
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zIndex: 21
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}).css({
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cursor: 'pointer'
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})
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.on('mouseover', function() {
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symbol.attr({
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stroke: btnOptions.hoverSymbolStroke,
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fill: btnOptions.hoverSymbolFill
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});
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box.attr({
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stroke: btnOptions.hoverBorderColor
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});
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})
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.on('mouseout', revert)
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.on('click', revert)
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.add();
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//addEvent(button.element, 'click', revert);
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// add the click event
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if (menuItems) {
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onclick = function(e) {
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revert();
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var bBox = button.getBBox();
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chart.contextMenu('export-menu', menuItems, bBox.x, bBox.y, buttonWidth, buttonHeight);
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};
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}
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/*addEvent(button.element, 'click', function() {
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onclick.apply(chart, arguments);
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});*/
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button.on('click', function() {
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onclick.apply(chart, arguments);
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});
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// the icon
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symbol = renderer.symbol(
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btnOptions.symbol,
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btnOptions.symbolX,
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btnOptions.symbolY,
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(btnOptions.symbolSize || 12) / 2
|
|
)
|
|
.align(btnOptions, true)
|
|
.attr(extend(symbolAttr, {
|
|
'stroke-width': btnOptions.symbolStrokeWidth || 1,
|
|
zIndex: 20
|
|
})).add();
|
|
|
|
|
|
|
|
}
|
|
});
|
|
|
|
// Create the export icon
|
|
HC.Renderer.prototype.symbols.exportIcon = function(x, y, radius) {
|
|
return [
|
|
M, // the disk
|
|
x - radius, y + radius,
|
|
L,
|
|
x + radius, y + radius,
|
|
x + radius, y + radius * 0.5,
|
|
x - radius, y + radius * 0.5,
|
|
'Z',
|
|
M, // the arrow
|
|
x, y + radius * 0.5,
|
|
L,
|
|
x - radius * 0.5, y - radius / 3,
|
|
x - radius / 6, y - radius / 3,
|
|
x - radius / 6, y - radius,
|
|
x + radius / 6, y - radius,
|
|
x + radius / 6, y - radius / 3,
|
|
x + radius * 0.5, y - radius / 3,
|
|
'Z'
|
|
];
|
|
};
|
|
// Create the print icon
|
|
HC.Renderer.prototype.symbols.printIcon = function(x, y, radius) {
|
|
return [
|
|
M, // the printer
|
|
x - radius, y + radius * 0.5,
|
|
L,
|
|
x + radius, y + radius * 0.5,
|
|
x + radius, y - radius / 3,
|
|
x - radius, y - radius / 3,
|
|
'Z',
|
|
M, // the upper sheet
|
|
x - radius * 0.5, y - radius / 3,
|
|
L,
|
|
x - radius * 0.5, y - radius,
|
|
x + radius * 0.5, y - radius,
|
|
x + radius * 0.5, y - radius / 3,
|
|
'Z',
|
|
M, // the lower sheet
|
|
x - radius * 0.5, y + radius * 0.5,
|
|
L,
|
|
x - radius * 0.75, y + radius,
|
|
x + radius * 0.75, y + radius,
|
|
x + radius * 0.5, y + radius * 0.5,
|
|
'Z'
|
|
];
|
|
};
|
|
|
|
|
|
// Add the buttons on chart load
|
|
Chart.prototype.callbacks.push(function(chart) {
|
|
var n,
|
|
exportingOptions = chart.options.exporting,
|
|
buttons = exportingOptions.buttons;
|
|
|
|
if (exportingOptions.enabled !== false) {
|
|
|
|
for (n in buttons) {
|
|
chart.addButton(buttons[n]);
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
})(); |