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File: FrontEndScripts/libs/highcharts/modules/exporting.src.js

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/**
 * @license Highstock JS v4.2.3 (2016-02-08)
 * Exporting module
 *
 * (c) 2010-2016 Torstein Honsi
 *
 * License: www.highcharts.com/license
 */

/* eslint indent:0 */
(function (factory) {
    if (typeof module === 'object' && module.exports) {
        module.exports = factory;
    } else {
        factory(Highcharts);
    }
}(function (Highcharts) {

// create shortcuts
var win = Highcharts.win,
	doc = win.document,
	Chart = Highcharts.Chart,
	addEvent = Highcharts.addEvent,
	removeEvent = Highcharts.removeEvent,
	fireEvent = Highcharts.fireEvent,
	createElement = Highcharts.createElement,
	discardElement = Highcharts.discardElement,
	css = Highcharts.css,
	merge = Highcharts.merge,
	each = Highcharts.each,
	extend = Highcharts.extend,
	splat = Highcharts.splat,
	math = Math,
	mathMax = math.max,
	isTouchDevice = Highcharts.isTouchDevice,
	M = 'M',
	L = 'L',
	DIV = 'div',
	HIDDEN = 'hidden',
	NONE = 'none',
	PREFIX = 'highcharts-',
	ABSOLUTE = 'absolute',
	PX = 'px',
	UNDEFINED,
	symbols = Highcharts.Renderer.prototype.symbols,
	defaultOptions = Highcharts.getOptions(),
	buttonOffset;

	// Add language
	extend(defaultOptions.lang, {
		printChart: 'Print chart',
		downloadPNG: 'Download PNG image',
		downloadJPEG: 'Download JPEG image',
		downloadPDF: 'Download PDF document',
		downloadSVG: 'Download SVG vector image',
		contextButtonTitle: 'Chart context menu'
	});

// Buttons and menus are collected in a separate config option set called 'navigation'.
// This can be extended later to add control buttons like zoom and pan right click menus.
defaultOptions.navigation = {
	menuStyle: {
		border: '1px solid #A0A0A0',
		background: '#FFFFFF',
		padding: '5px 0'
	},
	menuItemStyle: {
		padding: '0 10px',
		background: NONE,
		color: '#303030',
		fontSize: isTouchDevice ? '14px' : '11px'
	},
	menuItemHoverStyle: {
		background: '#4572A5',
		color: '#FFFFFF'
	},

	buttonOptions: {
		symbolFill: '#E0E0E0',
		symbolSize: 14,
		symbolStroke: '#666',
		symbolStrokeWidth: 3,
		symbolX: 12.5,
		symbolY: 10.5,
		align: 'right',
		buttonSpacing: 3,
		height: 22,
		// text: null,
		theme: {
			fill: 'white', // capture hover
			stroke: 'none'
		},
		verticalAlign: 'top',
		width: 24
	}
};



// Add the export related options
defaultOptions.exporting = {
	//enabled: true,
	//filename: 'chart',
	type: 'image/png',
	url: 'http://export.highcharts.com/',
	//width: undefined,
	//scale: 2
	buttons: {
		contextButton: {
			menuClassName: PREFIX + 'contextmenu',
			//x: -10,
			symbol: 'menu',
			_titleKey: 'contextButtonTitle',
			menuItems: [{
				textKey: 'printChart',
				onclick: function () {
					this.print();
				}
			}, {
				separator: true
			}, {
				textKey: 'downloadPNG',
				onclick: function () {
					this.exportChart();
				}
			}, {
				textKey: 'downloadJPEG',
				onclick: function () {
					this.exportChart({
						type: 'image/jpeg'
					});
				}
			}, {
				textKey: 'downloadPDF',
				onclick: function () {
					this.exportChart({
						type: 'application/pdf'
					});
				}
			}, {
				textKey: 'downloadSVG',
				onclick: function () {
					this.exportChart({
						type: 'image/svg+xml'
					});
				}
			}
			// Enable this block to add "View SVG" to the dropdown menu
			/*
			,{

				text: 'View SVG',
				onclick: function () {
					var svg = this.getSVG()
						.replace(/</g, '\n&lt;')
						.replace(/>/g, '&gt;');

					doc.body.innerHTML = '<pre>' + svg + '</pre>';
				}
			} // */
			]
		}
	}
};

// Add the Highcharts.post utility
Highcharts.post = function (url, data, formAttributes) {
	var name,
		form;

	// create the form
	form = createElement('form', merge({
		method: 'post',
		action: url,
		enctype: 'multipart/form-data'
	}, formAttributes), {
		display: NONE
	}, doc.body);

	// add the data
	for (name in data) {
		createElement('input', {
			type: HIDDEN,
			name: name,
			value: data[name]
		}, null, form);
	}

	// submit
	form.submit();

	// clean up
	discardElement(form);
};

extend(Chart.prototype, {

	/**
	 * A collection of regex fixes on the produces SVG to account for expando properties,
	 * browser bugs, VML problems and other. Returns a cleaned SVG.
	 */
	sanitizeSVG: function (svg) {
		return svg
			.replace(/zIndex="[^"]+"/g, '')
			.replace(/isShadow="[^"]+"/g, '')
			.replace(/symbolName="[^"]+"/g, '')
			.replace(/jQuery[0-9]+="[^"]+"/g, '')
			.replace(/url\([^#]+#/g, 'url(#')
			.replace(/<svg /, '<svg xmlns:xlink="http://www.w3.org/1999/xlink" ')
			.replace(/ (NS[0-9]+\:)?href=/g, ' xlink:href=') // #3567
			.replace(/\n/, ' ')
			// Any HTML added to the container after the SVG (#894)
			.replace(/<\/svg>.*?$/, '</svg>') 
			// Batik doesn't support rgba fills and strokes (#3095)
			.replace(/(fill|stroke)="rgba\(([ 0-9]+,[ 0-9]+,[ 0-9]+),([ 0-9\.]+)\)"/g, '$1="rgb($2)" $1-opacity="$3"')
			/* This fails in IE < 8
			.replace(/([0-9]+)\.([0-9]+)/g, function(s1, s2, s3) { // round off to save weight
				return s2 +'.'+ s3[0];
			})*/

			// Replace HTML entities, issue #347
			.replace(/&nbsp;/g, '\u00A0') // no-break space
			.replace(/&shy;/g,  '\u00AD') // soft hyphen

			// IE specific
			.replace(/<IMG /g, '<image ')
			.replace(/<(\/?)TITLE>/g, '<$1title>')
			.replace(/height=([^" ]+)/g, 'height="$1"')
			.replace(/width=([^" ]+)/g, 'width="$1"')
			.replace(/hc-svg-href="([^"]+)">/g, 'xlink:href="$1"/>')
			.replace(/ id=([^" >]+)/g, ' id="$1"') // #4003
			.replace(/class=([^" >]+)/g, 'class="$1"')
			.replace(/ transform /g, ' ')
			.replace(/:(path|rect)/g, '$1')
			.replace(/style="([^"]+)"/g, function (s) {
				return s.toLowerCase();
			});
	},

	/**
	 * Return innerHTML of chart. Used as hook for plugins.
	 */
	getChartHTML: function () {
		return this.container.innerHTML;
	},

	/**
	 * Return an SVG representation of the chart
	 *
	 * @param additionalOptions {Object} Additional chart options for the generated SVG representation
	 */
	getSVG: function (additionalOptions) {
		var chart = this,
			chartCopy,
			sandbox,
			svg,
			seriesOptions,
			sourceWidth,
			sourceHeight,
			cssWidth,
			cssHeight,
			html,
			options = merge(chart.options, additionalOptions), // copy the options and add extra options
			allowHTML = options.exporting.allowHTML;
			

		// IE compatibility hack for generating SVG content that it doesn't really understand
		if (!doc.createElementNS) {
			doc.createElementNS = function (ns, tagName) {
				return doc.createElement(tagName);
			};
		}

		// create a sandbox where a new chart will be generated
		sandbox = createElement(DIV, null, {
			position: ABSOLUTE,
			top: '-9999em',
			width: chart.chartWidth + PX,
			height: chart.chartHeight + PX
		}, doc.body);

		// get the source size
		cssWidth = chart.renderTo.style.width;
		cssHeight = chart.renderTo.style.height;
		sourceWidth = options.exporting.sourceWidth ||
			options.chart.width ||
			(/px$/.test(cssWidth) && parseInt(cssWidth, 10)) ||
			600;
		sourceHeight = options.exporting.sourceHeight ||
			options.chart.height ||
			(/px$/.test(cssHeight) && parseInt(cssHeight, 10)) ||
			400;

		// override some options
		extend(options.chart, {
			animation: false,
			renderTo: sandbox,
			forExport: true,
			renderer: 'SVGRenderer',
			width: sourceWidth,
			height: sourceHeight
		});
		options.exporting.enabled = false; // hide buttons in print
		delete options.data; // #3004

		// prepare for replicating the chart
		options.series = [];
		each(chart.series, function (serie) {
			seriesOptions = merge(serie.userOptions, { // #4912
				animation: false, // turn off animation
				enableMouseTracking: false,
				showCheckbox: false,
				visible: serie.visible
			});

			if (!seriesOptions.isInternal) { // used for the navigator series that has its own option set
				options.series.push(seriesOptions);
			}
		});

		// Axis options must be merged in one by one, since it may be an array or an object (#2022, #3900)
		if (additionalOptions) {
			each(['xAxis', 'yAxis'], function (axisType) {
				each(splat(additionalOptions[axisType]), function (axisOptions, i) {
					options[axisType][i] = merge(options[axisType][i], axisOptions);
				});
			});
		}

		// generate the chart copy
		chartCopy = new Highcharts.Chart(options, chart.callback);

		// reflect axis extremes in the export
		each(['xAxis', 'yAxis'], function (axisType) {
			each(chart[axisType], function (axis, i) {
				var axisCopy = chartCopy[axisType][i],
					extremes = axis.getExtremes(),
					userMin = extremes.userMin,
					userMax = extremes.userMax;

				if (axisCopy && (userMin !== UNDEFINED || userMax !== UNDEFINED)) {
					axisCopy.setExtremes(userMin, userMax, true, false);
				}
			});
		});

		// get the SVG from the container's innerHTML
		svg = chartCopy.getChartHTML();

		// free up memory
		options = null;
		chartCopy.destroy();
		discardElement(sandbox);

		// Move HTML into a foreignObject
		if (allowHTML) {
			html = svg.match(/<\/svg>(.*?$)/);
			if (html) {
				html = '<foreignObject x="0" y="0" width="200" height="200">' +
					'<body xmlns="http://www.w3.org/1999/xhtml">' +
					html[1] +
					'</body>' + 
					'</foreignObject>';
				svg = svg.replace('</svg>', html + '</svg>');
			}
		}

		// sanitize
		svg = this.sanitizeSVG(svg);

		// IE9 beta bugs with innerHTML. Test again with final IE9.
		svg = svg.replace(/(url\(#highcharts-[0-9]+)&quot;/g, '$1')
			.replace(/&quot;/g, '\'');

		return svg;
	},

	getSVGForExport: function (options, chartOptions) {
		var chartExportingOptions = this.options.exporting;

		return this.getSVG(merge(
			{ chart: { borderRadius: 0 } },
			chartExportingOptions.chartOptions,
			chartOptions,
			{
				exporting: {
					sourceWidth: (options && options.sourceWidth) || chartExportingOptions.sourceWidth,
					sourceHeight: (options && options.sourceHeight) || chartExportingOptions.sourceHeight
				}
			}
		));
	},

	/**
	 * Submit the SVG representation of the chart to the server
	 * @param {Object} options Exporting options. Possible members are url, type, width and formAttributes.
	 * @param {Object} chartOptions Additional chart options for the SVG representation of the chart
	 */
	exportChart: function (options, chartOptions) {
		
		var svg = this.getSVGForExport(options, chartOptions);

		// merge the options
		options = merge(this.options.exporting, options);

		// do the post
		Highcharts.post(options.url, {
			filename: options.filename || 'chart',
			type: options.type,
			width: options.width || 0, // IE8 fails to post undefined correctly, so use 0
			scale: options.scale || 2,
			svg: svg
		}, options.formAttributes);

	},

	/**
	 * Print the chart
	 */
	print: function () {

		var chart = this,
			container = chart.container,
			origDisplay = [],
			origParent = container.parentNode,
			body = doc.body,
			childNodes = body.childNodes;

		if (chart.isPrinting) { // block the button while in printing mode
			return;
		}

		chart.isPrinting = true;
		chart.pointer.reset(null, 0);

		fireEvent(chart, 'beforePrint');

		// hide all body content
		each(childNodes, function (node, i) {
			if (node.nodeType === 1) {
				origDisplay[i] = node.style.display;
				node.style.display = NONE;
			}
		});

		// pull out the chart
		body.appendChild(container);

		// print
		win.focus(); // #1510
		win.print();

		// allow the browser to prepare before reverting
		setTimeout(function () {

			// put the chart back in
			origParent.appendChild(container);

			// restore all body content
			each(childNodes, function (node, i) {
				if (node.nodeType === 1) {
					node.style.display = origDisplay[i];
				}
			});

			chart.isPrinting = false;

			fireEvent(chart, 'afterPrint');

		}, 1000);

	},

	/**
	 * Display a popup menu for choosing the export type
	 *
	 * @param {String} className An identifier for the menu
	 * @param {Array} items A collection with text and onclicks for the items
	 * @param {Number} x The x position of the opener button
	 * @param {Number} y The y position of the opener button
	 * @param {Number} width The width of the opener button
	 * @param {Number} height The height of the opener button
	 */
	contextMenu: function (className, items, x, y, width, height, button) {
		var chart = this,
			navOptions = chart.options.navigation,
			menuItemStyle = navOptions.menuItemStyle,
			chartWidth = chart.chartWidth,
			chartHeight = chart.chartHeight,
			cacheName = 'cache-' + className,
			menu = chart[cacheName],
			menuPadding = mathMax(width, height), // for mouse leave detection
			boxShadow = '3px 3px 10px #888',
			innerMenu,
			hide,
			hideTimer,
			menuStyle,
			docMouseUpHandler = function (e) {
				if (!chart.pointer.inClass(e.target, className)) {
					hide();
				}
			};

		// create the menu only the first time
		if (!menu) {

			// create a HTML element above the SVG
			chart[cacheName] = menu = createElement(DIV, {
				className: className
			}, {
				position: ABSOLUTE,
				zIndex: 1000,
				padding: menuPadding + PX
			}, chart.container);

			innerMenu = createElement(DIV, null,
				extend({
					MozBoxShadow: boxShadow,
					WebkitBoxShadow: boxShadow,
					boxShadow: boxShadow
				}, navOptions.menuStyle), menu);

			// hide on mouse out
			hide = function () {
				css(menu, { display: NONE });
				if (button) {
					button.setState(0);
				}
				chart.openMenu = false;
			};

			// Hide the menu some time after mouse leave (#1357)
			addEvent(menu, 'mouseleave', function () {
				hideTimer = setTimeout(hide, 500);
			});
			addEvent(menu, 'mouseenter', function () {
				clearTimeout(hideTimer);
			});


			// Hide it on clicking or touching outside the menu (#2258, #2335, #2407)
			addEvent(doc, 'mouseup', docMouseUpHandler);
			addEvent(chart, 'destroy', function () {
				removeEvent(doc, 'mouseup', docMouseUpHandler);
			});


			// create the items
			each(items, function (item) {
				if (item) {
					var element = item.separator ?
						createElement('hr', null, null, innerMenu) :
						createElement(DIV, {
							onmouseover: function () {
								css(this, navOptions.menuItemHoverStyle);
							},
							onmouseout: function () {
								css(this, menuItemStyle);
							},
							onclick: function (e) {
								if (e) { // IE7
									e.stopPropagation();
								}
								hide();
								if (item.onclick) {
									item.onclick.apply(chart, arguments);
								}
							},
							innerHTML: item.text || chart.options.lang[item.textKey]
						}, extend({
							cursor: 'pointer'
						}, menuItemStyle), innerMenu);


					// Keep references to menu divs to be able to destroy them
					chart.exportDivElements.push(element);
				}
			});

			// Keep references to menu and innerMenu div to be able to destroy them
			chart.exportDivElements.push(innerMenu, menu);

			chart.exportMenuWidth = menu.offsetWidth;
			chart.exportMenuHeight = menu.offsetHeight;
		}

		menuStyle = { display: 'block' };

		// if outside right, right align it
		if (x + chart.exportMenuWidth > chartWidth) {
			menuStyle.right = (chartWidth - x - width - menuPadding) + PX;
		} else {
			menuStyle.left = (x - menuPadding) + PX;
		}
		// if outside bottom, bottom align it
		if (y + height + chart.exportMenuHeight > chartHeight && button.alignOptions.verticalAlign !== 'top') {
			menuStyle.bottom = (chartHeight - y - menuPadding)  + PX;
		} else {
			menuStyle.top = (y + height - menuPadding) + PX;
		}

		css(menu, menuStyle);
		chart.openMenu = true;
	},

	/**
	 * Add the export button to the chart
	 */
	addButton: function (options) {
		var chart = this,
			renderer = chart.renderer,
			btnOptions = merge(chart.options.navigation.buttonOptions, options),
			onclick = btnOptions.onclick,
			menuItems = btnOptions.menuItems,
			symbol,
			button,
			symbolAttr = {
				stroke: btnOptions.symbolStroke,
				fill: btnOptions.symbolFill
			},
			symbolSize = btnOptions.symbolSize || 12;
		if (!chart.btnCount) {
			chart.btnCount = 0;
		}

		// Keeps references to the button elements
		if (!chart.exportDivElements) {
			chart.exportDivElements = [];
			chart.exportSVGElements = [];
		}

		if (btnOptions.enabled === false) {
			return;
		}


		var attr = btnOptions.theme,
			states = attr.states,
			hover = states && states.hover,
			select = states && states.select,
			callback;

		delete attr.states;

		if (onclick) {
			callback = function (e) {
				e.stopPropagation();
				onclick.call(chart, e);
			};

		} else if (menuItems) {
			callback = function () {
				chart.contextMenu(
					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',
				zIndex: 3 // #4955
			});
		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);
	}

});


}));