drawio/war/export2.html
2017-06-12 15:14:07 +02:00

413 lines
11 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script>
var isLocalStorage = false;
var mxLoadStylesheets = false;
</script>
<!-- CSS for print output is needed for using current window -->
<style type="text/css">
@media print {
table.mxPageSelector { display: none; }
hr.mxPageBreak { display: none; }
}
@media screen {
table.mxPageSelector { position: fixed; right: 10px; top: 10px;font-family: Arial; font-size:10pt; border: solid 1px darkgray;background: white; border-collapse:collapse; }
table.mxPageSelector td { border: solid 1px gray; padding:4px; }
body.mxPage { background: gray; }
}
</style>
<link rel="stylesheet" href="mxgraph/css/common.css" charset="UTF-8" type="text/css">
<script src="js/app.min.js"></script>
<script>
// NOTE: SVG Output fixes missing symbols in AsciiMath
// but produces larger output with clipping problems
Editor.initMath();
// Workaround for varphi vs. phi export in MathJax on Phantom
// see https://github.com/mathjax/MathJax/issues/353
(function()
{
var authInit = MathJax.AuthorInit;
MathJax.AuthorInit = function()
{
authInit();
MathJax.Hub.Register.StartupHook('AsciiMath Jax Config', function()
{
var symbols = MathJax.InputJax.AsciiMath.AM.symbols;
for (var i = 0, m = symbols.length; i < m; i++)
{
if (symbols[i].input === 'phi')
{
symbols[i].output = '\u03C6'
}
else if (symbols[i].input === 'varphi')
{
symbols[i].output = '\u03D5'; i = m
}
}
});
};
})();
function render(data)
{
var graph = new Graph(document.getElementById('graph'));
data.border = parseInt(data.border) || 0;
data.w = parseFloat(data.w) || 0;
data.h = parseFloat(data.h) || 0;
data.scale = parseFloat(data.scale) || 1;
// Parses XML
var xmlDoc = mxUtils.parseXml(data.xml);
var diagrams = null;
var from = 0;
// Handles mxfile
if (xmlDoc.documentElement.nodeName == 'mxfile')
{
diagrams = xmlDoc.documentElement.getElementsByTagName('diagram');
if (diagrams.length > 0)
{
from = Math.max(0, Math.min(parseInt(data.from) || from, diagrams.length - 1));
var diagramNode = diagrams[from];
if (diagramNode != null)
{
xmlDoc = mxUtils.parseXml(graph.decompress(mxUtils.getTextContent(diagramNode)));
}
}
}
/**
* Implements %page% and %pagenumber% placeholders
*/
var graphGetGlobalVariable = graph.getGlobalVariable;
graph.getGlobalVariable = function(name)
{
if (name == 'page')
{
return (diagrams == null) ? 'Page-1' :
(diagrams[from].getAttribute('name') || ('Page-' + (from + 1)));
}
else if (name == 'pagenumber')
{
return from + 1;
}
return graphGetGlobalVariable.apply(this, arguments);
};
// Enables math typesetting
var math = xmlDoc.documentElement.getAttribute('math') == '1';
if (math)
{
mxClient.NO_FO = true;
}
// Createa graph instance
graph.foldingEnabled = false;
graph.setEnabled(false);
// Sets background image
var bgImg = xmlDoc.documentElement.getAttribute('backgroundImage');
if (bgImg != null)
{
bgImg = JSON.parse(bgImg);
graph.setBackgroundImage(new mxImage(bgImg.src, bgImg.width, bgImg.height));
}
// Parses XML into graph
var codec = new mxCodec(xmlDoc);
codec.decode(xmlDoc.documentElement, graph.getModel());
// Loads background color
var bg = (data.bg != null && data.bg.length > 0) ? data.bg : xmlDoc.documentElement.getAttribute('background');
// Normalizes values for transparent backgrounds
if (bg == 'none' || bg == '')
{
bg = null;
}
// Checks if export format supports transparent backgrounds
if (bg == null && data.format != 'gif' && data.format != 'png')
{
bg = '#ffffff';
}
// Sets background color on page
if (bg != null)
{
document.body.style.backgroundColor = bg;
}
// Sets initial value for PDF page background
graph.pdfPageVisible = false;
// Handles PDF output where the output should match the page format if the page is visible
if (data.format == 'pdf' && xmlDoc.documentElement.getAttribute('page') == '1' && data.w == 0 && data.h == 0)
{
var pw = xmlDoc.documentElement.getAttribute('pageWidth');
var ph = xmlDoc.documentElement.getAttribute('pageHeight');
graph.pdfPageVisible = true;
if (pw != null && ph != null)
{
graph.pageFormat = new mxRectangle(0, 0, parseFloat(pw), parseFloat(ph));
}
var ps = xmlDoc.documentElement.getAttribute('pageScale');
if (ps != null)
{
graph.pageScale = ps;
}
graph.getPageSize = function()
{
return new mxRectangle(0, 0, this.pageFormat.width * this.pageScale,
this.pageFormat.height * this.pageScale);
};
graph.getPageLayout = function()
{
var size = this.getPageSize();
var bounds = this.getGraphBounds();
if (bounds.width == 0 || bounds.height == 0)
{
return new mxRectangle(0, 0, 1, 1);
}
else
{
// Computes untransformed graph bounds
var x = Math.ceil(bounds.x / this.view.scale - this.view.translate.x);
var y = Math.ceil(bounds.y / this.view.scale - this.view.translate.y);
var w = Math.floor(bounds.width / this.view.scale);
var h = Math.floor(bounds.height / this.view.scale);
var x0 = Math.floor(x / size.width);
var y0 = Math.floor(y / size.height);
var w0 = Math.ceil((x + w) / size.width) - x0;
var h0 = Math.ceil((y + h) / size.height) - y0;
return new mxRectangle(x0, y0, w0, h0);
}
};
// Fits the number of background pages to the graph
graph.view.getBackgroundPageBounds = function()
{
var layout = this.graph.getPageLayout();
var page = this.graph.getPageSize();
return new mxRectangle(this.scale * (this.translate.x + layout.x * page.width),
this.scale * (this.translate.y + layout.y * page.height),
this.scale * layout.width * page.width,
this.scale * layout.height * page.height);
};
}
if (!graph.pdfPageVisible)
{
var b = graph.getGraphBounds();
// Floor is needed to keep rendering crisp
if (data.w > 0 && data.h > 0)
{
var s = Math.min(data.w / b.width, data.h / b.height);
graph.view.scaleAndTranslate(s,
Math.floor(data.border / s - b.x),
Math.floor(data.border / s - b.y));
}
else
{
graph.view.scaleAndTranslate(data.scale, Math.floor(data.border - b.x),
Math.floor(data.border - b.y));
}
}
else
{
// Disables border for PDF page export
data.border = 0;
// Moves to first page in page layout
var layout = graph.getPageLayout();
var page = graph.getPageSize();
var dx = layout.x * page.width;
var dy = layout.y * page.height;
if (dx != 0 || dy != 0)
{
graph.view.setTranslate(Math.floor(-dx), Math.floor(-dy));
}
}
// Gets the diagram bounds and sets the document size
var bounds = (graph.pdfPageVisible) ? graph.view.getBackgroundPageBounds() : graph.getGraphBounds();
bounds.width = Math.ceil(bounds.width + data.border);
bounds.height = Math.ceil(bounds.height + data.border);
// Waits for all images to finish loading
var cache = new Object();
var waitCounter = 1;
// Decrements waitCounter and invokes callback when finished
function decrementWaitCounter()
{
if (--waitCounter < 1)
{
if (typeof window.callPhantom === 'function')
{
window.callPhantom(bounds);
}
else if (window.console != null)
{
console.log('loading complete');
}
}
};
function waitForImages(tagName, attributeName)
{
var imgs = document.body.getElementsByTagName(tagName);
waitCounter += imgs.length;
for (var i = 0; i < imgs.length; i++)
{
// No load events for image elements in Phantom using indirection instead
var src = imgs[i].getAttribute(attributeName);
if (typeof window.callPhantom !== 'function' && window.console != null)
{
console.log((cache[src] == null) ? 'loading' : 'cached', src);
}
if (src != null && src.length > 0 && cache[src] == null)
{
cache[src] = new Image();
cache[src].onload = decrementWaitCounter;
cache[src].onerror = decrementWaitCounter;
cache[src].src = src;
}
else
{
decrementWaitCounter();
}
}
};
// Includes images in SVG and HTML labels
waitForImages('image', 'xlink:href');
waitForImages('img', 'src');
// Waits for MathJax to finish rendering
function renderMath(elt)
{
if (math && window.MathJax != null && window.MathJax.Hub != null)
{
waitCounter++;
Editor.MathJaxRender(elt);
// Asynchronous callback when MathJax has finished
window.MathJax.Hub.Queue(function ()
{
decrementWaitCounter();
});
}
}
// Converts the graph to a vertical sequence of pages for PDF export
if (graph.pdfPageVisible)
{
// Workaround to match available paper size
var printScale = 0.72
var pf = graph.pageFormat || mxConstants.PAGE_FORMAT_A4_PORTRAIT;
var scale = 1 / graph.pageScale;
var autoOrigin = false;
var border = 0;
// Negative coordinates are cropped or shifted if page visible
var gb = graph.getGraphBounds();
var x0 = 0;
var y0 = 0;
// Applies print scale
pf = mxRectangle.fromRectangle(pf);
pf.width = Math.ceil(pf.width * printScale);
pf.height = Math.ceil(pf.height * printScale);
scale *= printScale;
// Starts at first visible page
var layout = graph.getPageLayout();
x0 -= layout.x * pf.width;
y0 -= layout.y * pf.height;
var preview = new mxPrintPreview(graph, scale, pf, border, x0, y0);
preview.printBackgroundImage = true;
preview.autoOrigin = autoOrigin;
preview.backgroundColor = bg;
// Renders print output into this document and removes the graph container
preview.open(null, window);
graph.container.parentNode.removeChild(graph.container);
// Adds shadow
if (mxClient.IS_SVG && xmlDoc.documentElement.getAttribute('shadow') == '1')
{
var svgs = document.getElementsByTagName('svg');
for (var i = 0; i < svgs.length; i++)
{
var svg = svgs[i];
var filter = graph.addSvgShadow(svg, null, true);
filter.setAttribute('id', 'shadow-' + i);
svg.appendChild(filter);
svg.setAttribute('filter', 'url(#' + 'shadow-' + i + ')');
}
border = 7;
}
bounds = new mxRectangle(0, 0, pf.width, pf.height);
renderMath(graph.container.parentNode);
}
else
{
// Adds shadow
if (mxClient.IS_SVG && xmlDoc.documentElement.getAttribute('shadow') == '1')
{
graph.addSvgShadow(graph.view.canvas.ownerSVGElement, null, true);
graph.setShadowVisible(true);
bounds.width += 7;
bounds.height += 7;
}
renderMath(graph.container);
if (data.format != 'pdf')
{
document.body.style.width = Math.ceil(bounds.x + bounds.width) + 'px';
document.body.style.height = (Math.ceil(bounds.y + bounds.height) + 1) + 'px';
}
}
// Immediate return if not waiting for any content
decrementWaitCounter();
};
</script>
</head>
<body style="margin:0px;">
<div id="graph" style="width:100%;height:100%;"></div>
</body>
</html>