710 lines
17 KiB
JavaScript
710 lines
17 KiB
JavaScript
/**
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* @license Highcharts JS v3.0.6 (2013-10-04)
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* Exporting module
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*
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* (c) 2010-2013 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 (Highcharts) { // encapsulate
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// create shortcuts
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var Chart = Highcharts.Chart,
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addEvent = Highcharts.addEvent,
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removeEvent = Highcharts.removeEvent,
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createElement = Highcharts.createElement,
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discardElement = Highcharts.discardElement,
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css = Highcharts.css,
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merge = Highcharts.merge,
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each = Highcharts.each,
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extend = Highcharts.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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isTouchDevice = Highcharts.isTouchDevice,
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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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UNDEFINED,
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symbols = Highcharts.Renderer.prototype.symbols,
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defaultOptions = Highcharts.getOptions(),
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buttonOffset;
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// Add language
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extend(defaultOptions.lang, {
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printChart: 'Print chart',
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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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contextButtonTitle: 'Chart context menu'
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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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padding: '5px 0'
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},
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menuItemStyle: {
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padding: '0 10px',
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background: NONE,
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color: '#303030',
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fontSize: isTouchDevice ? '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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symbolFill: '#E0E0E0',
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symbolSize: 14,
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symbolStroke: '#666',
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symbolStrokeWidth: 3,
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symbolX: 12.5,
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symbolY: 10.5,
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align: 'right',
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buttonSpacing: 3,
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height: 22,
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// text: null,
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theme: {
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fill: 'white', // capture hover
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stroke: 'none'
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},
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verticalAlign: 'top',
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width: 24
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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: undefined,
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//scale: 2
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buttons: {
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contextButton: {
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menuClassName: PREFIX + 'contextmenu',
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//x: -10,
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symbol: 'menu',
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_titleKey: 'contextButtonTitle',
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menuItems: [{
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textKey: 'printChart',
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onclick: function () {
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this.print();
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}
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}, {
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separator: true
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}, {
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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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// Enable this block to add "View SVG" to the dropdown menu
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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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}
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}
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};
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// Add the Highcharts.post utility
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Highcharts.post = function (url, data) {
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var name,
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form;
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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: url,
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enctype: 'multipart/form-data'
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}, {
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display: NONE
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}, doc.body);
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// add the data
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for (name in data) {
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createElement('input', {
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type: HIDDEN,
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name: name,
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value: data[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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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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sourceWidth,
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sourceHeight,
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cssWidth,
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cssHeight,
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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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/*jslint unparam: true*//* allow unused parameter ns in function below */
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doc.createElementNS = function (ns, tagName) {
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return doc.createElement(tagName);
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};
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/*jslint unparam: false*/
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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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// get the source size
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cssWidth = chart.renderTo.style.width;
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cssHeight = chart.renderTo.style.height;
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sourceWidth = options.exporting.sourceWidth ||
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options.chart.width ||
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(/px$/.test(cssWidth) && parseInt(cssWidth, 10)) ||
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600;
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sourceHeight = options.exporting.sourceHeight ||
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options.chart.height ||
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(/px$/.test(cssHeight) && parseInt(cssHeight, 10)) ||
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400;
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// override some options
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extend(options.chart, {
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animation: false,
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renderTo: sandbox,
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forExport: true,
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width: sourceWidth,
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height: sourceHeight
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});
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options.exporting.enabled = false; // hide buttons in print
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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 = merge(serie.options, {
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animation: false, // turn off animation
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showCheckbox: false,
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visible: serie.visible
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});
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if (!seriesOptions.isInternal) { // used for the navigator series that has its own option set
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options.series.push(seriesOptions);
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}
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});
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// generate the chart copy
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chartCopy = new Highcharts.Chart(options, chart.callback);
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// reflect axis extremes in the export
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each(['xAxis', 'yAxis'], function (axisType) {
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each(chart[axisType], function (axis, i) {
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var axisCopy = chartCopy[axisType][i],
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extremes = axis.getExtremes(),
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userMin = extremes.userMin,
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userMax = extremes.userMax;
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if (axisCopy && (userMin !== UNDEFINED || userMax !== UNDEFINED)) {
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axisCopy.setExtremes(userMin, userMax, true, false);
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}
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});
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});
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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(/url\([^#]+#/g, 'url(#')
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.replace(/<svg /, '<svg xmlns:xlink="http://www.w3.org/1999/xlink" ')
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.replace(/ href=/g, ' xlink:href=')
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.replace(/\n/, ' ')
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.replace(/<\/svg>.*?$/, '</svg>') // any HTML added to the container after the SVG (#894)
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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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// Replace HTML entities, issue #347
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.replace(/ /g, '\u00A0') // no-break space
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.replace(/­/g, '\u00AD') // soft hyphen
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// IE specific
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.replace(/<IMG /g, '<image ')
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.replace(/height=([^" ]+)/g, 'height="$1"')
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.replace(/width=([^" ]+)/g, 'width="$1"')
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.replace(/hc-svg-href="([^"]+)">/g, 'xlink:href="$1"/>')
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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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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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options = options || {};
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var chart = this,
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chartExportingOptions = chart.options.exporting,
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svg = chart.getSVG(merge(
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{ chart: { borderRadius: 0 } },
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chartExportingOptions.chartOptions,
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chartOptions,
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{
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exporting: {
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sourceWidth: options.sourceWidth || chartExportingOptions.sourceWidth,
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sourceHeight: options.sourceHeight || chartExportingOptions.sourceHeight
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}
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}
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));
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// merge the options
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options = merge(chart.options.exporting, options);
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// do the post
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Highcharts.post(options.url, {
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filename: options.filename || 'chart',
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type: options.type,
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width: options.width || 0, // IE8 fails to post undefined correctly, so use 0
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scale: options.scale || 2,
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svg: svg
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});
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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.focus(); // #1510
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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} className 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 (className, items, x, y, width, height, button) {
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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-' + className,
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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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hideTimer,
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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: className
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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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if (button) {
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button.setState(0);
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}
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chart.openMenu = false;
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};
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// Hide the menu some time after mouse leave (#1357)
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addEvent(menu, 'mouseleave', function () {
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hideTimer = setTimeout(hide, 500);
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});
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addEvent(menu, 'mouseenter', function () {
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clearTimeout(hideTimer);
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});
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// Hide it on clicking or touching outside the menu (#2258)
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addEvent(document, 'mousedown', function (e) {
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if (!chart.pointer.inClass(e.target, className)) {
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hide();
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}
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});
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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 element = item.separator ?
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createElement('hr', null, null, innerMenu) :
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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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onclick: function () {
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hide();
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item.onclick.apply(chart, arguments);
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},
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innerHTML: item.text || chart.options.lang[item.textKey]
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}, extend({
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cursor: 'pointer'
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}, menuItemStyle), innerMenu);
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// Keep references to menu divs to be able to destroy them
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chart.exportDivElements.push(element);
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}
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});
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// Keep references to menu and innerMenu div to be able to destroy them
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chart.exportDivElements.push(innerMenu, menu);
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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 && button.alignOptions.verticalAlign !== 'top') {
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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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chart.openMenu = true;
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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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symbol,
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button,
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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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symbolSize = btnOptions.symbolSize || 12;
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if (!chart.btnCount) {
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chart.btnCount = 0;
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}
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// Keeps references to the button elements
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if (!chart.exportDivElements) {
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chart.exportDivElements = [];
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chart.exportSVGElements = [];
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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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var attr = btnOptions.theme,
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states = attr.states,
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hover = states && states.hover,
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select = states && states.select,
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callback;
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delete attr.states;
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if (onclick) {
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callback = function () {
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onclick.apply(chart, arguments);
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};
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} else if (menuItems) {
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callback = function () {
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chart.contextMenu(
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button.menuClassName,
|
|
menuItems,
|
|
button.translateX,
|
|
button.translateY,
|
|
button.width,
|
|
button.height,
|
|
button
|
|
);
|
|
button.setState(2);
|
|
};
|
|
}
|
|
|
|
|
|
if (btnOptions.text && btnOptions.symbol) {
|
|
attr.paddingLeft = Highcharts.pick(attr.paddingLeft, 25);
|
|
|
|
} else if (!btnOptions.text) {
|
|
extend(attr, {
|
|
width: btnOptions.width,
|
|
height: btnOptions.height,
|
|
padding: 0
|
|
});
|
|
}
|
|
|
|
button = renderer.button(btnOptions.text, 0, 0, callback, attr, hover, select)
|
|
.attr({
|
|
title: chart.options.lang[btnOptions._titleKey],
|
|
'stroke-linecap': 'round'
|
|
});
|
|
button.menuClassName = options.menuClassName || PREFIX + 'menu-' + chart.btnCount++;
|
|
|
|
if (btnOptions.symbol) {
|
|
symbol = renderer.symbol(
|
|
btnOptions.symbol,
|
|
btnOptions.symbolX - (symbolSize / 2),
|
|
btnOptions.symbolY - (symbolSize / 2),
|
|
symbolSize,
|
|
symbolSize
|
|
)
|
|
.attr(extend(symbolAttr, {
|
|
'stroke-width': btnOptions.symbolStrokeWidth || 1,
|
|
zIndex: 1
|
|
})).add(button);
|
|
}
|
|
|
|
button.add()
|
|
.align(extend(btnOptions, {
|
|
width: button.width,
|
|
x: Highcharts.pick(btnOptions.x, buttonOffset) // #1654
|
|
}), true, 'spacingBox');
|
|
|
|
buttonOffset += (button.width + btnOptions.buttonSpacing) * (btnOptions.align === 'right' ? -1 : 1);
|
|
|
|
chart.exportSVGElements.push(button, symbol);
|
|
|
|
},
|
|
|
|
/**
|
|
* Destroy the buttons.
|
|
*/
|
|
destroyExport: function (e) {
|
|
var chart = e.target,
|
|
i,
|
|
elem;
|
|
|
|
// Destroy the extra buttons added
|
|
for (i = 0; i < chart.exportSVGElements.length; i++) {
|
|
elem = chart.exportSVGElements[i];
|
|
|
|
// Destroy and null the svg/vml elements
|
|
if (elem) { // #1822
|
|
elem.onclick = elem.ontouchstart = null;
|
|
chart.exportSVGElements[i] = elem.destroy();
|
|
}
|
|
}
|
|
|
|
// Destroy the divs for the menu
|
|
for (i = 0; i < chart.exportDivElements.length; i++) {
|
|
elem = chart.exportDivElements[i];
|
|
|
|
// Remove the event handler
|
|
removeEvent(elem, 'mouseleave');
|
|
|
|
// Remove inline events
|
|
chart.exportDivElements[i] = elem.onmouseout = elem.onmouseover = elem.ontouchstart = elem.onclick = null;
|
|
|
|
// Destroy the div by moving to garbage bin
|
|
discardElement(elem);
|
|
}
|
|
}
|
|
});
|
|
|
|
|
|
symbols.menu = function (x, y, width, height) {
|
|
var arr = [
|
|
M, x, y + 2.5,
|
|
L, x + width, y + 2.5,
|
|
M, x, y + height / 2 + 0.5,
|
|
L, x + width, y + height / 2 + 0.5,
|
|
M, x, y + height - 1.5,
|
|
L, x + width, y + height - 1.5
|
|
];
|
|
return arr;
|
|
};
|
|
|
|
// Add the buttons on chart load
|
|
Chart.prototype.callbacks.push(function (chart) {
|
|
var n,
|
|
exportingOptions = chart.options.exporting,
|
|
buttons = exportingOptions.buttons;
|
|
|
|
buttonOffset = 0;
|
|
|
|
if (exportingOptions.enabled !== false) {
|
|
|
|
for (n in buttons) {
|
|
chart.addButton(buttons[n]);
|
|
}
|
|
|
|
// Destroy the export elements at chart destroy
|
|
addEvent(chart, 'destroy', chart.destroyExport);
|
|
}
|
|
|
|
});
|
|
|
|
|
|
}(Highcharts));
|