ishealth-monitor-widget/war/highcharts/js/modules/exporting.src.js

671 lines
16 KiB
JavaScript

/**
* @license Highcharts JS v2.1.2 (2011-01-12)
* Exporting module
*
* (c) 2010 Torstein Hønsi
*
* License: www.highcharts.com/license
*/
// JSLint options:
/*global Highcharts, document, window, Math, setTimeout */
(function() { // encapsulate
// create shortcuts
var HC = Highcharts,
Chart = HC.Chart,
addEvent = HC.addEvent,
createElement = HC.createElement,
discardElement = HC.discardElement,
css = HC.css,
merge = HC.merge,
each = HC.each,
extend = HC.extend,
math = Math,
mathMax = math.max,
doc = document,
win = window,
hasTouch = 'ontouchstart' in doc.documentElement,
M = 'M',
L = 'L',
DIV = 'div',
HIDDEN = 'hidden',
NONE = 'none',
PREFIX = 'highcharts-',
ABSOLUTE = 'absolute',
PX = 'px',
// Add language and get the defaultOptions
defaultOptions = HC.setOptions({
lang: {
downloadPNG: 'Download PNG image',
downloadJPEG: 'Download JPEG image',
downloadPDF: 'Download PDF document',
downloadSVG: 'Download SVG vector image',
exportButtonTitle: 'Export to raster or vector image',
printButtonTitle: 'Print the chart'
}
});
// 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'
},
menuItemStyle: {
padding: '0 5px',
background: NONE,
color: '#303030',
fontSize: hasTouch ? '14px' : '11px'
},
menuItemHoverStyle: {
background: '#4572A5',
color: '#FFFFFF'
},
buttonOptions: {
align: 'right',
backgroundColor: {
linearGradient: [0, 0, 0, 20],
stops: [
[0.4, '#F7F7F7'],
[0.6, '#E3E3E3']
]
},
borderColor: '#B0B0B0',
borderRadius: 3,
borderWidth: 1,
//enabled: true,
height: 20,
hoverBorderColor: '#909090',
hoverSymbolFill: '#81A7CF',
hoverSymbolStroke: '#4572A5',
symbolFill: '#E0E0E0',
//symbolSize: 12,
symbolStroke: '#A0A0A0',
//symbolStrokeWidth: 1,
symbolX: 11.5,
symbolY: 10.5,
verticalAlign: 'top',
width: 24,
y: 10
}
};
// Add the export related options
defaultOptions.exporting = {
//enabled: true,
//filename: 'chart',
type: 'image/png',
url: 'http://export.highcharts.com/',
width: 800,
buttons: {
exportButton: {
//enabled: true,
symbol: 'exportIcon',
x: -10,
symbolFill: '#A8BF77',
hoverSymbolFill: '#768F3E',
_titleKey: 'exportButtonTitle',
menuItems: [{
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'
});
}
}/*, {
text: 'View SVG',
onclick: function() {
var svg = this.getSVG()
.replace(/</g, '\n&lt;')
.replace(/>/g, '&gt;');
doc.body.innerHTML = '<pre>'+ svg +'</pre>';
}
}*/]
},
printButton: {
//enabled: true,
symbol: 'printIcon',
x: -36,
symbolFill: '#B5C9DF',
hoverSymbolFill: '#779ABF',
_titleKey: 'printButtonTitle',
onclick: function() {
this.print();
}
}
}
};
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,
config,
pointOptions,
pointMarker,
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) {
doc.createElementNS = function(ns, tagName) {
var elem = doc.createElement(tagName);
elem.getBBox = function() {
return chart.renderer.Element.prototype.getBBox.apply({ element: elem });
};
return elem;
};
}
// 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);
// override some options
extend(options.chart, {
renderTo: sandbox,
renderer: 'SVG'
});
options.exporting.enabled = false; // hide buttons in print
options.chart.plotBackgroundImage = null; // the converter doesn't handle images
// prepare for replicating the chart
options.series = [];
each(chart.series, function(serie) {
seriesOptions = serie.options;
seriesOptions.animation = false; // turn off animation
seriesOptions.showCheckbox = false;
// remove image markers
if (seriesOptions && seriesOptions.marker && /^url\(/.test(seriesOptions.marker.symbol)) {
seriesOptions.marker.symbol = 'circle';
}
seriesOptions.data = [];
each(serie.data, function(point) {
/*pointOptions = point.config === null || typeof point.config == 'number' ?
{ y: point.y } :
point.config;
pointOptions.x = point.x;*/
// extend the options by those values that can be expressed in a number or array config
config = point.config;
pointOptions = extend(
typeof config == 'object' && config.constructor != Array && point.config, {
x: point.x,
y: point.y,
name: point.name
}
);
seriesOptions.data.push(pointOptions); // copy fresh updated data
// remove image markers
pointMarker = point.config && point.config.marker;
if (pointMarker && /^url\(/.test(pointMarker.symbol)) {
delete pointMarker.symbol;
}
});
options.series.push(seriesOptions);
});
// generate the chart copy
chartCopy = new Highcharts.Chart(options);
// 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(/isTracker="[^"]+"/g, '')
.replace(/url\([^#]+#/g, 'url(#')
/* This fails in IE < 8
.replace(/([0-9]+)\.([0-9]+)/g, function(s1, s2, s3) { // round off to save weight
return s2 +'.'+ s3[0];
})*/
// IE specific
.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]+)&quot;/g, '$1')
.replace(/&quot;/g, "'");
if (svg.match(/ xmlns="/g).length == 2) {
svg = svg.replace(/xmlns="[^"]+"/, '');
}
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) {
var form,
chart = this,
svg = chart.getSVG(chartOptions);
// merge the options
options = merge(chart.options.exporting, options);
// create the form
form = createElement('form', {
method: 'post',
action: options.url
}, {
display: NONE
}, doc.body);
// add the values
each(['filename', 'type', 'width', 'svg'], function(name) {
createElement('input', {
type: HIDDEN,
name: name,
value: {
filename: options.filename || 'chart',
type: options.type,
width: options.width,
svg: svg
}[name]
}, null, form);
});
// submit
form.submit();
// clean up
discardElement(form);
},
/**
* 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.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} name 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(name, items, x, y, width, height) {
var chart = this,
navOptions = chart.options.navigation,
menuItemStyle = navOptions.menuItemStyle,
chartWidth = chart.chartWidth,
chartHeight = chart.chartHeight,
cacheName = 'cache-'+ name,
menu = chart[cacheName],
menuPadding = mathMax(width, height), // for mouse leave detection
boxShadow = '3px 3px 10px #888',
innerMenu,
hide,
menuStyle;
// create the menu only the first time
if (!menu) {
// create a HTML element above the SVG
chart[cacheName] = menu = createElement(DIV, {
className: PREFIX + name
}, {
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 });
};
addEvent(menu, 'mouseleave', hide);
// create the items
each(items, function(item) {
if (item) {
var div = createElement(DIV, {
onmouseover: function() {
css(this, navOptions.menuItemHoverStyle);
},
onmouseout: function() {
css(this, menuItemStyle);
},
innerHTML: item.text || HC.getOptions().lang[item.textKey]
}, extend({
cursor: 'pointer'
}, menuItemStyle), innerMenu);
div[hasTouch ? 'ontouchstart' : 'onclick'] = function() {
hide();
item.onclick.apply(chart, arguments);
};
}
});
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) {
menuStyle.bottom = (chartHeight - y - menuPadding) + PX;
} else {
menuStyle.top = (y + height - menuPadding) + PX;
}
css(menu, menuStyle);
},
/**
* 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,
/*position = chart.getAlignment(btnOptions),
buttonLeft = position.x,
buttonTop = position.y,*/
buttonWidth = btnOptions.width,
buttonHeight = btnOptions.height,
box,
symbol,
button,
borderWidth = btnOptions.borderWidth,
boxAttr = {
stroke: btnOptions.borderColor
},
symbolAttr = {
stroke: btnOptions.symbolStroke,
fill: btnOptions.symbolFill
};
if (btnOptions.enabled === false) {
return;
}
// element to capture the click
function revert() {
symbol.attr(symbolAttr);
box.attr(boxAttr);
}
// the box border
box = renderer.rect(
0,
0,
buttonWidth,
buttonHeight,
btnOptions.borderRadius,
borderWidth
)
//.translate(buttonLeft, buttonTop) // to allow gradients
.align(btnOptions, true)
.attr(extend({
fill: btnOptions.backgroundColor,
'stroke-width': borderWidth,
zIndex: 19
}, boxAttr)).add();
// the invisible element to track the clicks
button = renderer.rect(
0,
0,
buttonWidth,
buttonHeight,
0
)
.align(btnOptions)
.attr({
fill: 'rgba(255, 255, 255, 0.001)',
title: HC.getOptions().lang[btnOptions._titleKey],
zIndex: 21
}).css({
cursor: 'pointer'
})
.on('mouseover', function() {
symbol.attr({
stroke: btnOptions.hoverSymbolStroke,
fill: btnOptions.hoverSymbolFill
});
box.attr({
stroke: btnOptions.hoverBorderColor
});
})
.on('mouseout', revert)
.on('click', revert)
.add();
//addEvent(button.element, 'click', revert);
// add the click event
if (menuItems) {
onclick = function(e) {
revert();
var bBox = button.getBBox();
chart.contextMenu('export-menu', menuItems, bBox.x, bBox.y, buttonWidth, buttonHeight);
};
}
/*addEvent(button.element, 'click', function() {
onclick.apply(chart, arguments);
});*/
button.on('click', function() {
onclick.apply(chart, arguments);
});
// the icon
symbol = renderer.symbol(
btnOptions.symbol,
btnOptions.symbolX,
btnOptions.symbolY,
(btnOptions.symbolSize || 12) / 2
)
.align(btnOptions, true)
.attr(extend(symbolAttr, {
'stroke-width': btnOptions.symbolStrokeWidth || 1,
zIndex: 20
})).add();
}
});
// Create the export icon
HC.Renderer.prototype.symbols.exportIcon = function(x, y, radius) {
return [
M, // the disk
x - radius, y + radius,
L,
x + radius, y + radius,
x + radius, y + radius * 0.5,
x - radius, y + radius * 0.5,
'Z',
M, // the arrow
x, y + radius * 0.5,
L,
x - radius * 0.5, y - radius / 3,
x - radius / 6, y - radius / 3,
x - radius / 6, y - radius,
x + radius / 6, y - radius,
x + radius / 6, y - radius / 3,
x + radius * 0.5, y - radius / 3,
'Z'
];
};
// Create the print icon
HC.Renderer.prototype.symbols.printIcon = function(x, y, radius) {
return [
M, // the printer
x - radius, y + radius * 0.5,
L,
x + radius, y + radius * 0.5,
x + radius, y - radius / 3,
x - radius, y - radius / 3,
'Z',
M, // the upper sheet
x - radius * 0.5, y - radius / 3,
L,
x - radius * 0.5, y - radius,
x + radius * 0.5, y - radius,
x + radius * 0.5, y - radius / 3,
'Z',
M, // the lower sheet
x - radius * 0.5, y + radius * 0.5,
L,
x - radius * 0.75, y + radius,
x + radius * 0.75, y + radius,
x + radius * 0.5, y + radius * 0.5,
'Z'
];
};
// Add the buttons on chart load
Chart.prototype.callbacks.push(function(chart) {
var n,
exportingOptions = chart.options.exporting,
buttons = exportingOptions.buttons;
if (exportingOptions.enabled !== false) {
for (n in buttons) {
chart.addButton(buttons[n]);
}
}
});
})();