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/** |
懒 |
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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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|
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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] |
|
500 |
}, extend({ |
|
501 |
cursor: 'pointer' |
|
502 |
}, menuItemStyle), innerMenu); |
|
503 |
|
|
504 |
|
|
505 |
// Keep references to menu divs to be able to destroy them |
|
506 |
chart.exportDivElements.push(element); |
|
507 |
} |
|
508 |
}); |
|
509 |
|
|
510 |
// Keep references to menu and innerMenu div to be able to destroy them |
|
511 |
chart.exportDivElements.push(innerMenu, menu); |
|
512 |
|
|
513 |
chart.exportMenuWidth = menu.offsetWidth; |
|
514 |
chart.exportMenuHeight = menu.offsetHeight; |
|
515 |
} |
|
516 |
|
|
517 |
menuStyle = { display: 'block' }; |
|
518 |
|
|
519 |
// if outside right, right align it |
|
520 |
if (x + chart.exportMenuWidth > chartWidth) { |
|
521 |
menuStyle.right = (chartWidth - x - width - menuPadding) + PX; |
|
522 |
} else { |
|
523 |
menuStyle.left = (x - menuPadding) + PX; |
|
524 |
} |
|
525 |
// if outside bottom, bottom align it |
|
526 |
if (y + height + chart.exportMenuHeight > chartHeight && button.alignOptions.verticalAlign !== 'top') { |
|
527 |
menuStyle.bottom = (chartHeight - y - menuPadding) + PX; |
|
528 |
} else { |
|
529 |
menuStyle.top = (y + height - menuPadding) + PX; |
|
530 |
} |
|
531 |
|
|
532 |
css(menu, menuStyle); |
|
533 |
chart.openMenu = true; |
|
534 |
}, |
|
535 |
|
|
536 |
/** |
|
537 |
* Add the export button to the chart |
|
538 |
*/ |
|
539 |
addButton: function (options) { |
|
540 |
var chart = this, |
|
541 |
renderer = chart.renderer, |
|
542 |
btnOptions = merge(chart.options.navigation.buttonOptions, options), |
|
543 |
onclick = btnOptions.onclick, |
|
544 |
menuItems = btnOptions.menuItems, |
|
545 |
symbol, |
|
546 |
button, |
|
547 |
symbolAttr = { |
|
548 |
stroke: btnOptions.symbolStroke, |
|
549 |
fill: btnOptions.symbolFill |
|
550 |
}, |
|
551 |
symbolSize = btnOptions.symbolSize || 12; |
|
552 |
if (!chart.btnCount) { |
|
553 |
chart.btnCount = 0; |
|
554 |
} |
|
555 |
|
|
556 |
// Keeps references to the button elements |
|
557 |
if (!chart.exportDivElements) { |
|
558 |
chart.exportDivElements = []; |
|
559 |
chart.exportSVGElements = []; |
|
560 |
} |
|
561 |
|
|
562 |
if (btnOptions.enabled === false) { |
|
563 |
return; |
|
564 |
} |
|
565 |
|
|
566 |
|
|
567 |
var attr = btnOptions.theme, |
|
568 |
states = attr.states, |
|
569 |
hover = states && states.hover, |
|
570 |
select = states && states.select, |
|
571 |
callback; |
|
572 |
|
|
573 |
delete attr.states; |
|
574 |
|
|
575 |
if (onclick) { |
|
576 |
callback = function () { |
|
577 |
onclick.apply(chart, arguments); |
|
578 |
}; |
|
579 |
|
|
580 |
} else if (menuItems) { |
|
581 |
callback = function () { |
|
582 |
chart.contextMenu( |
|
583 |
button.menuClassName, |
|
584 |
menuItems, |
|
585 |
button.translateX, |
|
586 |
button.translateY, |
|
587 |
button.width, |
|
588 |
button.height, |
|
589 |
button |
|
590 |
); |
|
591 |
button.setState(2); |
|
592 |
}; |
|
593 |
} |
|
594 |
|
|
595 |
|
|
596 |
if (btnOptions.text && btnOptions.symbol) { |
|
597 |
attr.paddingLeft = Highcharts.pick(attr.paddingLeft, 25); |
|
598 |
|
|
599 |
} else if (!btnOptions.text) { |
|
600 |
extend(attr, { |
|
601 |
width: btnOptions.width, |
|
602 |
height: btnOptions.height, |
|
603 |
padding: 0 |
|
604 |
}); |
|
605 |
} |
|
606 |
|
|
607 |
button = renderer.button(btnOptions.text, 0, 0, callback, attr, hover, select) |
|
608 |
.attr({ |
|
609 |
title: chart.options.lang[btnOptions._titleKey], |
|
610 |
'stroke-linecap': 'round' |
|
611 |
}); |
|
612 |
button.menuClassName = options.menuClassName || PREFIX + 'menu-' + chart.btnCount++; |
|
613 |
|
|
614 |
if (btnOptions.symbol) { |
|
615 |
symbol = renderer.symbol( |
|
616 |
btnOptions.symbol, |
|
617 |
btnOptions.symbolX - (symbolSize / 2), |
|
618 |
btnOptions.symbolY - (symbolSize / 2), |
|
619 |
symbolSize, |
|
620 |
symbolSize |
|
621 |
) |
|
622 |
.attr(extend(symbolAttr, { |
|
623 |
'stroke-width': btnOptions.symbolStrokeWidth || 1, |
|
624 |
zIndex: 1 |
|
625 |
})).add(button); |
|
626 |
} |
|
627 |
|
|
628 |
button.add() |
|
629 |
.align(extend(btnOptions, { |
|
630 |
width: button.width, |
|
631 |
x: Highcharts.pick(btnOptions.x, buttonOffset) // #1654 |
|
632 |
}), true, 'spacingBox'); |
|
633 |
|
|
634 |
buttonOffset += (button.width + btnOptions.buttonSpacing) * (btnOptions.align === 'right' ? -1 : 1); |
|
635 |
|
|
636 |
chart.exportSVGElements.push(button, symbol); |
|
637 |
|
|
638 |
}, |
|
639 |
|
|
640 |
/** |
|
641 |
* Destroy the buttons. |
|
642 |
*/ |
|
643 |
destroyExport: function (e) { |
|
644 |
var chart = e.target, |
|
645 |
i, |
|
646 |
elem; |
|
647 |
|
|
648 |
// Destroy the extra buttons added |
|
649 |
for (i = 0; i < chart.exportSVGElements.length; i++) { |
|
650 |
elem = chart.exportSVGElements[i]; |
|
651 |
|
|
652 |
// Destroy and null the svg/vml elements |
|
653 |
if (elem) { // #1822 |
|
654 |
elem.onclick = elem.ontouchstart = null; |
|
655 |
chart.exportSVGElements[i] = elem.destroy(); |
|
656 |
} |
|
657 |
} |
|
658 |
|
|
659 |
// Destroy the divs for the menu |
|
660 |
for (i = 0; i < chart.exportDivElements.length; i++) { |
|
661 |
elem = chart.exportDivElements[i]; |
|
662 |
|
|
663 |
// Remove the event handler |
|
664 |
removeEvent(elem, 'mouseleave'); |
|
665 |
|
|
666 |
// Remove inline events |
|
667 |
chart.exportDivElements[i] = elem.onmouseout = elem.onmouseover = elem.ontouchstart = elem.onclick = null; |
|
668 |
|
|
669 |
// Destroy the div by moving to garbage bin |
|
670 |
discardElement(elem); |
|
671 |
} |
|
672 |
} |
|
673 |
}); |
|
674 |
|
|
675 |
|
|
676 |
symbols.menu = function (x, y, width, height) { |
|
677 |
var arr = [ |
|
678 |
M, x, y + 2.5, |
|
679 |
L, x + width, y + 2.5, |
|
680 |
M, x, y + height / 2 + 0.5, |
|
681 |
L, x + width, y + height / 2 + 0.5, |
|
682 |
M, x, y + height - 1.5, |
|
683 |
L, x + width, y + height - 1.5 |
|
684 |
]; |
|
685 |
return arr; |
|
686 |
}; |
|
687 |
|
|
688 |
// Add the buttons on chart load |
|
689 |
Chart.prototype.callbacks.push(function (chart) { |
|
690 |
var n, |
|
691 |
exportingOptions = chart.options.exporting, |
|
692 |
buttons = exportingOptions.buttons; |
|
693 |
|
|
694 |
buttonOffset = 0; |
|
695 |
|
|
696 |
if (exportingOptions.enabled !== false) { |
|
697 |
|
|
698 |
for (n in buttons) { |
|
699 |
chart.addButton(buttons[n]); |
|
700 |
} |
|
701 |
|
|
702 |
// Destroy the export elements at chart destroy |
|
703 |
addEvent(chart, 'destroy', chart.destroyExport); |
|
704 |
} |
|
705 |
|
|
706 |
}); |
|
707 |
|
|
708 |
|
|
709 |
}(Highcharts)); |