tupali_fork/librerias/gantt/code/modules/offline-exporting.src.js

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2020-05-23 20:45:54 +00:00
/**
* @license Highcharts JS v8.1.0 (2020-05-05)
*
* Client side exporting module
*
* (c) 2015-2019 Torstein Honsi / Oystein Moseng
*
* License: www.highcharts.com/license
*/
'use strict';
(function (factory) {
if (typeof module === 'object' && module.exports) {
factory['default'] = factory;
module.exports = factory;
} else if (typeof define === 'function' && define.amd) {
define('highcharts/modules/offline-exporting', ['highcharts', 'highcharts/modules/exporting'], function (Highcharts) {
factory(Highcharts);
factory.Highcharts = Highcharts;
return factory;
});
} else {
factory(typeof Highcharts !== 'undefined' ? Highcharts : undefined);
}
}(function (Highcharts) {
var _modules = Highcharts ? Highcharts._modules : {};
function _registerModule(obj, path, args, fn) {
if (!obj.hasOwnProperty(path)) {
obj[path] = fn.apply(null, args);
}
}
_registerModule(_modules, 'mixins/download-url.js', [_modules['parts/Globals.js']], function (Highcharts) {
/* *
*
* (c) 2015-2020 Oystein Moseng
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* Mixin for downloading content in the browser
*
* */
var win = Highcharts.win, nav = win.navigator, doc = win.document, domurl = win.URL || win.webkitURL || win, isEdgeBrowser = /Edge\/\d+/.test(nav.userAgent);
/**
* Convert base64 dataURL to Blob if supported, otherwise returns undefined.
* @private
* @function Highcharts.dataURLtoBlob
* @param {string} dataURL
* URL to convert
* @return {string|undefined}
* Blob
*/
Highcharts.dataURLtoBlob = function (dataURL) {
var parts = dataURL.match(/data:([^;]*)(;base64)?,([0-9A-Za-z+/]+)/);
if (parts &&
parts.length > 3 &&
win.atob &&
win.ArrayBuffer &&
win.Uint8Array &&
win.Blob &&
domurl.createObjectURL) {
// Try to convert data URL to Blob
var binStr = win.atob(parts[3]), buf = new win.ArrayBuffer(binStr.length), binary = new win.Uint8Array(buf), blob;
for (var i = 0; i < binary.length; ++i) {
binary[i] = binStr.charCodeAt(i);
}
blob = new win.Blob([binary], { 'type': parts[1] });
return domurl.createObjectURL(blob);
}
};
/**
* Download a data URL in the browser. Can also take a blob as first param.
*
* @private
* @function Highcharts.downloadURL
* @param {string|global.URL} dataURL
* The dataURL/Blob to download
* @param {string} filename
* The name of the resulting file (w/extension)
* @return {void}
*/
Highcharts.downloadURL = function (dataURL, filename) {
var a = doc.createElement('a'), windowRef;
// IE specific blob implementation
// Don't use for normal dataURLs
if (typeof dataURL !== 'string' &&
!(dataURL instanceof String) &&
nav.msSaveOrOpenBlob) {
nav.msSaveOrOpenBlob(dataURL, filename);
return;
}
// Some browsers have limitations for data URL lengths. Try to convert to
// Blob or fall back. Edge always needs that blob.
if (isEdgeBrowser || dataURL.length > 2000000) {
dataURL = Highcharts.dataURLtoBlob(dataURL);
if (!dataURL) {
throw new Error('Failed to convert to blob');
}
}
// Try HTML5 download attr if supported
if (typeof a.download !== 'undefined') {
a.href = dataURL;
a.download = filename; // HTML5 download attribute
doc.body.appendChild(a);
a.click();
doc.body.removeChild(a);
}
else {
// No download attr, just opening data URI
try {
windowRef = win.open(dataURL, 'chart');
if (typeof windowRef === 'undefined' || windowRef === null) {
throw new Error('Failed to open window');
}
}
catch (e) {
// window.open failed, trying location.href
win.location.href = dataURL;
}
}
};
});
_registerModule(_modules, 'modules/offline-exporting.src.js', [_modules['parts/Globals.js'], _modules['parts/Utilities.js']], function (Highcharts, U) {
/* *
*
* Client side exporting module
*
* (c) 2015 Torstein Honsi / Oystein Moseng
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* */
/* global MSBlobBuilder */
var extend = U.extend;
var addEvent = Highcharts.addEvent, merge = Highcharts.merge, win = Highcharts.win, nav = win.navigator, doc = win.document, domurl = win.URL || win.webkitURL || win, isMSBrowser = /Edge\/|Trident\/|MSIE /.test(nav.userAgent),
// Milliseconds to defer image load event handlers to offset IE bug
loadEventDeferDelay = isMSBrowser ? 150 : 0;
// Dummy object so we can reuse our canvas-tools.js without errors
Highcharts.CanVGRenderer = {};
/* eslint-disable valid-jsdoc */
/**
* Downloads a script and executes a callback when done.
*
* @private
* @function getScript
* @param {string} scriptLocation
* @param {Function} callback
* @return {void}
*/
function getScript(scriptLocation, callback) {
var head = doc.getElementsByTagName('head')[0], script = doc.createElement('script');
script.type = 'text/javascript';
script.src = scriptLocation;
script.onload = callback;
script.onerror = function () {
Highcharts.error('Error loading script ' + scriptLocation);
};
head.appendChild(script);
}
/**
* Get blob URL from SVG code. Falls back to normal data URI.
*
* @private
* @function Highcharts.svgToDataURL
* @param {string} svg
* @return {string}
*/
Highcharts.svgToDataUrl = function (svg) {
// Webkit and not chrome
var webKit = (nav.userAgent.indexOf('WebKit') > -1 &&
nav.userAgent.indexOf('Chrome') < 0);
try {
// Safari requires data URI since it doesn't allow navigation to blob
// URLs. Firefox has an issue with Blobs and internal references,
// leading to gradients not working using Blobs (#4550)
if (!webKit && nav.userAgent.toLowerCase().indexOf('firefox') < 0) {
return domurl.createObjectURL(new win.Blob([svg], {
type: 'image/svg+xml;charset-utf-16'
}));
}
}
catch (e) {
// Ignore
}
return 'data:image/svg+xml;charset=UTF-8,' + encodeURIComponent(svg);
};
/**
* Get data:URL from image URL. Pass in callbacks to handle results.
*
* @private
* @function Highcharts.imageToDataUrl
*
* @param {string} imageURL
*
* @param {string} imageType
*
* @param {*} callbackArgs
* callbackArgs is used only by callbacks.
*
* @param {number} scale
*
* @param {Function} successCallback
* Receives four arguments: imageURL, imageType, callbackArgs, and scale.
*
* @param {Function} taintedCallback
* Receives four arguments: imageURL, imageType, callbackArgs, and scale.
*
* @param {Function} noCanvasSupportCallback
* Receives four arguments: imageURL, imageType, callbackArgs, and scale.
*
* @param {Function} failedLoadCallback
* Receives four arguments: imageURL, imageType, callbackArgs, and scale.
*
* @param {Function} [finallyCallback]
* finallyCallback is always called at the end of the process. All
* callbacks receive four arguments: imageURL, imageType, callbackArgs,
* and scale.
*
* @return {void}
*/
Highcharts.imageToDataUrl = function (imageURL, imageType, callbackArgs, scale, successCallback, taintedCallback, noCanvasSupportCallback, failedLoadCallback, finallyCallback) {
var img = new win.Image(), taintedHandler, loadHandler = function () {
setTimeout(function () {
var canvas = doc.createElement('canvas'), ctx = canvas.getContext && canvas.getContext('2d'), dataURL;
try {
if (!ctx) {
noCanvasSupportCallback(imageURL, imageType, callbackArgs, scale);
}
else {
canvas.height = img.height * scale;
canvas.width = img.width * scale;
ctx.drawImage(img, 0, 0, canvas.width, canvas.height);
// Now we try to get the contents of the canvas.
try {
dataURL = canvas.toDataURL(imageType);
successCallback(dataURL, imageType, callbackArgs, scale);
}
catch (e) {
taintedHandler(imageURL, imageType, callbackArgs, scale);
}
}
}
finally {
if (finallyCallback) {
finallyCallback(imageURL, imageType, callbackArgs, scale);
}
}
// IE bug where image is not always ready despite calling load
// event.
}, loadEventDeferDelay);
},
// Image load failed (e.g. invalid URL)
errorHandler = function () {
failedLoadCallback(imageURL, imageType, callbackArgs, scale);
if (finallyCallback) {
finallyCallback(imageURL, imageType, callbackArgs, scale);
}
};
// This is called on load if the image drawing to canvas failed with a
// security error. We retry the drawing with crossOrigin set to Anonymous.
taintedHandler = function () {
img = new win.Image();
taintedHandler = taintedCallback;
// Must be set prior to loading image source
img.crossOrigin = 'Anonymous';
img.onload = loadHandler;
img.onerror = errorHandler;
img.src = imageURL;
};
img.onload = loadHandler;
img.onerror = errorHandler;
img.src = imageURL;
};
/* eslint-enable valid-jsdoc */
/**
* Get data URL to an image of an SVG and call download on it options object:
*
* - **filename:** Name of resulting downloaded file without extension. Default
* is `chart`.
*
* - **type:** File type of resulting download. Default is `image/png`.
*
* - **scale:** Scaling factor of downloaded image compared to source. Default
* is `1`.
*
* - **libURL:** URL pointing to location of dependency scripts to download on
* demand. Default is the exporting.libURL option of the global Highcharts
* options pointing to our server.
*
* @function Highcharts.downloadSVGLocal
*
* @param {string} svg
* The generated SVG
*
* @param {Highcharts.ExportingOptions} options
* The exporting options
*
* @param {Function} failCallback
* The callback function in case of errors
*
* @param {Function} [successCallback]
* The callback function in case of success
*
* @return {void}
*/
Highcharts.downloadSVGLocal = function (svg, options, failCallback, successCallback) {
var svgurl, blob, objectURLRevoke = true, finallyHandler, libURL = (options.libURL || Highcharts.getOptions().exporting.libURL), dummySVGContainer = doc.createElement('div'), imageType = options.type || 'image/png', filename = ((options.filename || 'chart') +
'.' +
(imageType === 'image/svg+xml' ? 'svg' : imageType.split('/')[1])), scale = options.scale || 1;
// Allow libURL to end with or without fordward slash
libURL = libURL.slice(-1) !== '/' ? libURL + '/' : libURL;
/* eslint-disable valid-jsdoc */
/**
* @private
*/
function svgToPdf(svgElement, margin) {
var width = svgElement.width.baseVal.value + 2 * margin, height = svgElement.height.baseVal.value + 2 * margin, pdf = new win.jsPDF(// eslint-disable-line new-cap
'l', 'pt', [width, height]);
// Workaround for #7090, hidden elements were drawn anyway. It comes
// down to https://github.com/yWorks/svg2pdf.js/issues/28. Check this
// later.
[].forEach.call(svgElement.querySelectorAll('*[visibility="hidden"]'), function (node) {
node.parentNode.removeChild(node);
});
win.svg2pdf(svgElement, pdf, { removeInvalid: true });
return pdf.output('datauristring');
}
/**
* @private
* @return {void}
*/
function downloadPDF() {
dummySVGContainer.innerHTML = svg;
var textElements = dummySVGContainer.getElementsByTagName('text'), titleElements, svgData,
// Copy style property to element from parents if it's not there.
// Searches up hierarchy until it finds prop, or hits the chart
// container.
setStylePropertyFromParents = function (el, propName) {
var curParent = el;
while (curParent && curParent !== dummySVGContainer) {
if (curParent.style[propName]) {
el.style[propName] =
curParent.style[propName];
break;
}
curParent = curParent.parentNode;
}
};
// Workaround for the text styling. Making sure it does pick up settings
// for parent elements.
[].forEach.call(textElements, function (el) {
// Workaround for the text styling. making sure it does pick up the
// root element
['font-family', 'font-size'].forEach(function (property) {
setStylePropertyFromParents(el, property);
});
el.style['font-family'] = (el.style['font-family'] &&
el.style['font-family'].split(' ').splice(-1));
// Workaround for plotband with width, removing title from text
// nodes
titleElements = el.getElementsByTagName('title');
[].forEach.call(titleElements, function (titleElement) {
el.removeChild(titleElement);
});
});
svgData = svgToPdf(dummySVGContainer.firstChild, 0);
try {
Highcharts.downloadURL(svgData, filename);
if (successCallback) {
successCallback();
}
}
catch (e) {
failCallback(e);
}
}
/* eslint-enable valid-jsdoc */
// Initiate download depending on file type
if (imageType === 'image/svg+xml') {
// SVG download. In this case, we want to use Microsoft specific Blob if
// available
try {
if (typeof nav.msSaveOrOpenBlob !== 'undefined') {
blob = new MSBlobBuilder();
blob.append(svg);
svgurl = blob.getBlob('image/svg+xml');
}
else {
svgurl = Highcharts.svgToDataUrl(svg);
}
Highcharts.downloadURL(svgurl, filename);
if (successCallback) {
successCallback();
}
}
catch (e) {
failCallback(e);
}
}
else if (imageType === 'application/pdf') {
if (win.jsPDF && win.svg2pdf) {
downloadPDF();
}
else {
// Must load pdf libraries first. // Don't destroy the object URL
// yet since we are doing things asynchronously. A cleaner solution
// would be nice, but this will do for now.
objectURLRevoke = true;
getScript(libURL + 'jspdf.js', function () {
getScript(libURL + 'svg2pdf.js', function () {
downloadPDF();
});
});
}
}
else {
// PNG/JPEG download - create bitmap from SVG
svgurl = Highcharts.svgToDataUrl(svg);
finallyHandler = function () {
try {
domurl.revokeObjectURL(svgurl);
}
catch (e) {
// Ignore
}
};
// First, try to get PNG by rendering on canvas
Highcharts.imageToDataUrl(svgurl, imageType, {}, scale, function (imageURL) {
// Success
try {
Highcharts.downloadURL(imageURL, filename);
if (successCallback) {
successCallback();
}
}
catch (e) {
failCallback(e);
}
}, function () {
// Failed due to tainted canvas
// Create new and untainted canvas
var canvas = doc.createElement('canvas'), ctx = canvas.getContext('2d'), imageWidth = svg.match(/^<svg[^>]*width\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, imageHeight = svg.match(/^<svg[^>]*height\s*=\s*\"?(\d+)\"?[^>]*>/)[1] * scale, downloadWithCanVG = function () {
ctx.drawSvg(svg, 0, 0, imageWidth, imageHeight);
try {
Highcharts.downloadURL(nav.msSaveOrOpenBlob ?
canvas.msToBlob() :
canvas.toDataURL(imageType), filename);
if (successCallback) {
successCallback();
}
}
catch (e) {
failCallback(e);
}
finally {
finallyHandler();
}
};
canvas.width = imageWidth;
canvas.height = imageHeight;
if (win.canvg) {
// Use preloaded canvg
downloadWithCanVG();
}
else {
// Must load canVG first. // Don't destroy the object URL
// yet since we are doing things asynchronously. A cleaner
// solution would be nice, but this will do for now.
objectURLRevoke = true;
// Get RGBColor.js first, then canvg
getScript(libURL + 'rgbcolor.js', function () {
getScript(libURL + 'canvg.js', function () {
downloadWithCanVG();
});
});
}
},
// No canvas support
failCallback,
// Failed to load image
failCallback,
// Finally
function () {
if (objectURLRevoke) {
finallyHandler();
}
});
}
};
/* eslint-disable valid-jsdoc */
/**
* Get SVG of chart prepared for client side export. This converts embedded
* images in the SVG to data URIs. It requires the regular exporting module. The
* options and chartOptions arguments are passed to the getSVGForExport
* function.
*
* @private
* @function Highcharts.Chart#getSVGForLocalExport
* @param {Highcharts.ExportingOptions} options
* @param {Highcharts.Options} chartOptions
* @param {Function} failCallback
* @param {Function} successCallback
* @return {void}
*/
Highcharts.Chart.prototype.getSVGForLocalExport = function (options, chartOptions, failCallback, successCallback) {
var chart = this, images, imagesEmbedded = 0, chartCopyContainer, chartCopyOptions, el, i, l, href,
// After grabbing the SVG of the chart's copy container we need to do
// sanitation on the SVG
sanitize = function (svg) {
return chart.sanitizeSVG(svg, chartCopyOptions);
},
// When done with last image we have our SVG
checkDone = function () {
if (imagesEmbedded === images.length) {
successCallback(sanitize(chartCopyContainer.innerHTML));
}
},
// Success handler, we converted image to base64!
embeddedSuccess = function (imageURL, imageType, callbackArgs) {
++imagesEmbedded;
// Change image href in chart copy
callbackArgs.imageElement.setAttributeNS('http://www.w3.org/1999/xlink', 'href', imageURL);
checkDone();
};
// Hook into getSVG to get a copy of the chart copy's container (#8273)
chart.unbindGetSVG = addEvent(chart, 'getSVG', function (e) {
chartCopyOptions = e.chartCopy.options;
chartCopyContainer = e.chartCopy.container.cloneNode(true);
});
// Trigger hook to get chart copy
chart.getSVGForExport(options, chartOptions);
images = chartCopyContainer.getElementsByTagName('image');
try {
// If there are no images to embed, the SVG is okay now.
if (!images.length) {
// Use SVG of chart copy
successCallback(sanitize(chartCopyContainer.innerHTML));
return;
}
// Go through the images we want to embed
for (i = 0, l = images.length; i < l; ++i) {
el = images[i];
href = el.getAttributeNS('http://www.w3.org/1999/xlink', 'href');
if (href) {
Highcharts.imageToDataUrl(href, 'image/png', { imageElement: el }, options.scale, embeddedSuccess,
// Tainted canvas
failCallback,
// No canvas support
failCallback,
// Failed to load source
failCallback);
// Hidden, boosted series have blank href (#10243)
}
else {
++imagesEmbedded;
el.parentNode.removeChild(el);
checkDone();
}
}
}
catch (e) {
failCallback(e);
}
// Clean up
chart.unbindGetSVG();
};
/* eslint-enable valid-jsdoc */
/**
* Exporting and offline-exporting modules required. Export a chart to an image
* locally in the user's browser.
*
* @function Highcharts.Chart#exportChartLocal
*
* @param {Highcharts.ExportingOptions} [exportingOptions]
* Exporting options, the same as in
* {@link Highcharts.Chart#exportChart}.
*
* @param {Highcharts.Options} [chartOptions]
* Additional chart options for the exported chart. For example a
* different background color can be added here, or `dataLabels`
* for export only.
*
* @return {void}
*
* @requires modules/exporting
*/
Highcharts.Chart.prototype.exportChartLocal = function (exportingOptions, chartOptions) {
var chart = this, options = Highcharts.merge(chart.options.exporting, exportingOptions), fallbackToExportServer = function (err) {
if (options.fallbackToExportServer === false) {
if (options.error) {
options.error(options, err);
}
else {
Highcharts.error(28, true); // Fallback disabled
}
}
else {
chart.exportChart(options);
}
}, svgSuccess = function (svg) {
// If SVG contains foreignObjects all exports except SVG will fail,
// as both CanVG and svg2pdf choke on this. Gracefully fall back.
if (svg.indexOf('<foreignObject') > -1 &&
options.type !== 'image/svg+xml') {
fallbackToExportServer('Image type not supported' +
'for charts with embedded HTML');
}
else {
Highcharts.downloadSVGLocal(svg, extend({ filename: chart.getFilename() }, options), fallbackToExportServer);
}
},
// Return true if the SVG contains images with external data. With the
// boost module there are `image` elements with encoded PNGs, these are
// supported by svg2pdf and should pass (#10243).
hasExternalImages = function () {
return [].some.call(chart.container.getElementsByTagName('image'), function (image) {
var href = image.getAttribute('href');
return href !== '' && href.indexOf('data:') !== 0;
});
};
// If we are on IE and in styled mode, add a whitelist to the renderer for
// inline styles that we want to pass through. There are so many styles by
// default in IE that we don't want to blacklist them all.
if (isMSBrowser && chart.styledMode) {
Highcharts.SVGRenderer.prototype.inlineWhitelist = [
/^blockSize/,
/^border/,
/^caretColor/,
/^color/,
/^columnRule/,
/^columnRuleColor/,
/^cssFloat/,
/^cursor/,
/^fill$/,
/^fillOpacity/,
/^font/,
/^inlineSize/,
/^length/,
/^lineHeight/,
/^opacity/,
/^outline/,
/^parentRule/,
/^rx$/,
/^ry$/,
/^stroke/,
/^textAlign/,
/^textAnchor/,
/^textDecoration/,
/^transform/,
/^vectorEffect/,
/^visibility/,
/^x$/,
/^y$/
];
}
// Always fall back on:
// - MS browsers: Embedded images JPEG/PNG, or any PDF
// - Embedded images and PDF
if ((isMSBrowser &&
(options.type === 'application/pdf' ||
chart.container.getElementsByTagName('image').length &&
options.type !== 'image/svg+xml')) || (options.type === 'application/pdf' &&
hasExternalImages())) {
fallbackToExportServer('Image type not supported for this chart/browser.');
return;
}
chart.getSVGForLocalExport(options, chartOptions, fallbackToExportServer, svgSuccess);
};
// Extend the default options to use the local exporter logic
merge(true, Highcharts.getOptions().exporting, {
libURL: 'https://code.highcharts.com/8.1.0/lib/',
// When offline-exporting is loaded, redefine the menu item definitions
// related to download.
menuItemDefinitions: {
downloadPNG: {
textKey: 'downloadPNG',
onclick: function () {
this.exportChartLocal();
}
},
downloadJPEG: {
textKey: 'downloadJPEG',
onclick: function () {
this.exportChartLocal({
type: 'image/jpeg'
});
}
},
downloadSVG: {
textKey: 'downloadSVG',
onclick: function () {
this.exportChartLocal({
type: 'image/svg+xml'
});
}
},
downloadPDF: {
textKey: 'downloadPDF',
onclick: function () {
this.exportChartLocal({
type: 'application/pdf'
});
}
}
}
});
});
_registerModule(_modules, 'masters/modules/offline-exporting.src.js', [], function () {
});
}));