jexelmans
/
drawio


			
				
					
						
						
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							<!DOCTYPE html>
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<script>
		var isLocalStorage = false;
		var mxLoadStylesheets = false;
	</script>
    <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();

		function render(data)
		{
			var graph = new Graph(document.getElementById('graph'));
			data.border = parseInt(data.border) || 0;
			data.w = parseInt(data.w) || 0;
			data.h = parseInt(data.h) || 0;
			
			// Parses XML
			var xmlDoc = mxUtils.parseXml(data.xml);
			var diagrams = null;
			
			// Handles mxfile
			if (xmlDoc.documentElement.nodeName == 'mxfile')
			{
				diagrams = xmlDoc.documentElement.getElementsByTagName('diagram');
				
				if (diagrams.length > 0)
				{
					var diagramNode = diagrams[data.from || 0];
					
					if (diagramNode != null)
					{
						// TODO: Migrate to pako
				        xmlDoc = mxUtils.parseXml(graph.decompress(mxUtils.getTextContent(diagramNode)));
					}
				}
			}

			// 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);
			
			if (diagrams != null && diagrams.length > 0)
			{
				/**
				 * Adds placeholder for %page% and %pagenumber%
				 */
				var graphGetGlobalVariable = graph.getGlobalVariable;
				
				graph.getGlobalVariable = function(name)
				{
					if (name == 'page')
					{
						return diagrams[0].getAttribute('name') || 'Page-1';
					}
					else if (name == 'pagenumber')
					{
						return 1;
					}
					
					return graphGetGlobalVariable.apply(this, arguments);
				};
			}
			
			// 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)
				{
					graph.view.scaleAndTranslate(Math.min(data.w / b.width, data.h / b.height),
						Math.floor(-b.x + data.border), Math.floor(-b.y + data.border));
				}
				else
				{
					graph.view.setTranslate(Math.floor(-b.x + data.border), Math.floor(-b.y + data.border));
				}
			}
			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 += data.border;
			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 (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 border = 0;
				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);
				
				bounds = new mxRectangle(0, 0, pf.width, pf.height);
				renderMath(graph.container.parentNode);
			}
			else
			{
				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>