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/**
* @license Highcharts JS v3.0.6 (2013-10-04)
* Exporting module
*
* (c) 2010-2013 Torstein Hønsi
*
* License: www.highcharts.com/license
*/
// JSLint options:
/*global Highcharts, document, window, Math, setTimeout */
(function (Highcharts) { // encapsulate
// create shortcuts
var Chart = Highcharts.Chart,
addEvent = Highcharts.addEvent,
removeEvent = Highcharts.removeEvent,
createElement = Highcharts.createElement,
discardElement = Highcharts.discardElement,
css = Highcharts.css,
merge = Highcharts.merge,
each = Highcharts.each,
extend = Highcharts.extend,
math = Math,
mathMax = math.max,
doc = document,
win = window,
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<')
.replace(/>/g, '>');
doc.body.innerHTML = '<pre>' + svg + '</pre>';
}
} // */
]
}
}
};
// Add the Highcharts.post utility
Highcharts.post = function (url, data) {
var name,
form;
// create the form
form = createElement('form', {
method: 'post',
action: url,
enctype: 'multipart/form-data'
}, {
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, {
/**
* 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,
options = merge(chart.options, additionalOptions); // copy the options and add extra options
// IE compatibility hack for generating SVG content that it doesn't really understand
if (!doc.createElementNS) {
/*jslint unparam: true*//* allow unused parameter ns in function below */
doc.createElementNS = function (ns, tagName) {
return doc.createElement(tagName);
};
/*jslint unparam: false*/
}
// 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,
width: sourceWidth,
height: sourceHeight
});
options.exporting.enabled = false; // hide buttons in print
// prepare for replicating the chart
options.series = [];
each(chart.series, function (serie) {
seriesOptions = merge(serie.options, {
animation: false, // turn off animation
showCheckbox: false,
visible: serie.visible
});
if (!seriesOptions.isInternal) { // used for the navigator series that has its own option set
options.series.push(seriesOptions);
}
});
// 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.container.innerHTML;
// free up memory
options = null;
chartCopy.destroy();
discardElement(sandbox);
// sanitize
svg = 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(/ href=/g, ' xlink:href=')
.replace(/\n/, ' ')
.replace(/<\/svg>.*?$/, '</svg>') // any HTML added to the container after the SVG (#894)
/* 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(/ /g, '\u00A0') // no-break space
.replace(/­/g, '\u00AD') // soft hyphen
// IE specific
.replace(/<IMG /g, '<image ')
.replace(/height=([^" ]+)/g, 'height="$1"')
.replace(/width=([^" ]+)/g, 'width="$1"')
.replace(/hc-svg-href="([^"]+)">/g, 'xlink:href="$1"/>')
.replace(/id=([^" >]+)/g, 'id="$1"')
.replace(/class=([^" >]+)/g, 'class="$1"')
.replace(/ transform /g, ' ')
.replace(/:(path|rect)/g, '$1')
.replace(/style="([^"]+)"/g, function (s) {
return s.toLowerCase();
});
// IE9 beta bugs with innerHTML. Test again with final IE9.
svg = svg.replace(/(url\(#highcharts-[0-9]+)"/g, '$1')
.replace(/"/g, "'");
return svg;
},
/**
* Submit the SVG representation of the chart to the server
* @param {Object} options Exporting options. Possible members are url, type and width.
* @param {Object} chartOptions Additional chart options for the SVG representation of the chart
*/
exportChart: function (options, chartOptions) {
options = options || {};
var chart = this,
chartExportingOptions = chart.options.exporting,
svg = chart.getSVG(merge(
{ chart: { borderRadius: 0 } },
chartExportingOptions.chartOptions,
chartOptions,
{
exporting: {
sourceWidth: options.sourceWidth || chartExportingOptions.sourceWidth,
sourceHeight: options.sourceHeight || chartExportingOptions.sourceHeight
}
}
));
// merge the options
options = merge(chart.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
});
},
/**
* 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;
// 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;
}, 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;
// 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)
addEvent(document, 'mousedown', function (e) {
if (!chart.pointer.inClass(e.target, className)) {
hide();
}
});
// 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 () {
hide();
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 () {
onclick.apply(chart, arguments);
};
} 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'
});
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));
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