148 lines
4.2 KiB
HTML
148 lines
4.2 KiB
HTML
<!--
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$Id: fixedicon.html,v 1.4 2012-11-20 09:06:07 gaudenz Exp $
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Copyright (c) 2006-2010, JGraph Ltd
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FixedIcon example for mxGraph. This example demonstrates
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customizing the icon position in the mxLabel shape.
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-->
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<html>
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<head>
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<title>Fixed icon example for mxGraph</title>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<!-- Example code -->
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<script type="text/javascript">
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// Overrides the label redraw code to place the icon
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mxLabel.prototype.redraw = function()
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{
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var isSvg = (this.dialect == mxConstants.DIALECT_SVG);
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var isVml = mxUtils.isVml(this.node);
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// Updates the bounds of the outermost shape
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if (isSvg)
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{
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this.updateSvgShape(this.innerNode);
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if (this.shadowNode != null)
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{
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this.updateSvgShape(this.shadowNode);
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}
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this.updateSvgGlassPane();
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}
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else if (isVml)
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{
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this.updateVmlShape(this.node);
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this.updateVmlShape(this.rectNode);
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this.label.style.width = this.node.style.width;
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this.label.style.height = this.node.style.height;
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this.updateVmlGlassPane();
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}
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else
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{
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this.updateHtmlShape(this.node);
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}
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// Updates the imagewidth and imageheight
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var imageWidth = 0;
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var imageHeight = 0;
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if (this.imageNode != null)
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{
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imageWidth = (this.style[mxConstants.STYLE_IMAGE_WIDTH] ||
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this.imageSize) * this.scale;
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imageHeight = (this.style[mxConstants.STYLE_IMAGE_HEIGHT] ||
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this.imageSize) * this.scale;
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// Places the icon
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var x = (this.bounds.width - imageWidth) / 2;
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var y = this.bounds.height - imageHeight;
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if (isSvg)
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{
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this.imageNode.setAttribute('x', (this.bounds.x + x) + 'px');
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this.imageNode.setAttribute('y', (this.bounds.y + y) + 'px');
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this.imageNode.setAttribute('width', imageWidth + 'px');
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this.imageNode.setAttribute('height', imageHeight + 'px');
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}
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else
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{
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this.imageNode.style.position = 'relative';
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this.imageNode.style.left = x + 'px';
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this.imageNode.style.top = y + 'px';
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this.imageNode.style.width = imageWidth + 'px';
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this.imageNode.style.height = imageHeight + 'px';
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this.imageNode.setAttribute('stroked', 'false');
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}
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}
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};
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// Program starts here. Creates a sample graph in the
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// DOM node with the specified ID. This function is invoked
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// from the onLoad event handler of the document (see below).
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function main(container)
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{
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// Checks if the browser is supported
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if (!mxClient.isBrowserSupported())
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{
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// Displays an error message if the browser is not supported.
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mxUtils.error('Browser is not supported!', 200, false);
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}
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else
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{
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// Enables crisp rendering of rectangles in SVG
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mxLabel.prototype.crisp = true;
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// Makes the shadow brighter
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mxConstants.SHADOWCOLOR = '#C0C0C0';
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// Creates the graph inside the given container
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var graph = new mxGraph(container);
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// Uncomment the following if you want the container
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// to fit the size of the graph
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//graph.setResizeContainer(true);
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// Enables rubberband selection
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new mxRubberband(graph);
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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var parent = graph.getDefaultParent();
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// Adds cells to the model in a single step
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, 'Fixed icon', 20, 20, 80, 50,
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'shape=label;image=images/plus.png;imageWidth=16;imageHeight=16;spacingBottom=10;' +
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'fillColor=#adc5ff;gradientColor=#7d85df;glass=1;rounded=1;shadow=1;');
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}
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finally
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{
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// Updates the display
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graph.getModel().endUpdate();
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}
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}
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};
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</script>
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</head>
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="overflow:hidden;position:relative;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
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</div>
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</body>
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</html>
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