maxGraph/javascript/examples/fixedicon.html

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HTML

<!--
$Id: fixedicon.html,v 1.3 2013/10/28 08:44:55 gaudenz Exp $
Copyright (c) 2006-2013, JGraph Ltd
FixedIcon example for mxGraph. This example demonstrates
customizing the icon position in the mxLabel shape.
-->
<html>
<head>
<title>Fixed icon example for mxGraph</title>
<!-- Sets the basepath for the library if not in same directory -->
<script type="text/javascript">
mxBasePath = '../src';
</script>
<!-- Loads and initializes the library -->
<script type="text/javascript" src="../src/js/mxClient.js"></script>
<!-- Example code -->
<script type="text/javascript">
// Overrides the image bounds code to change the position
mxLabel.prototype.getImageBounds = function(x, y, w, h)
{
var iw = mxUtils.getValue(this.style, mxConstants.STYLE_IMAGE_WIDTH, mxConstants.DEFAULT_IMAGESIZE);
var ih = mxUtils.getValue(this.style, mxConstants.STYLE_IMAGE_HEIGHT, mxConstants.DEFAULT_IMAGESIZE);
// Places the icon
var ix = (w - iw) / 2;
var iy = h - ih;
return new mxRectangle(x + ix, y + iy, iw, ih);
};
// Program starts here. Creates a sample graph in the
// DOM node with the specified ID. This function is invoked
// from the onLoad event handler of the document (see below).
function main(container)
{
// Checks if the browser is supported
if (!mxClient.isBrowserSupported())
{
// Displays an error message if the browser is not supported.
mxUtils.error('Browser is not supported!', 200, false);
}
else
{
// Makes the shadow brighter
mxConstants.SHADOWCOLOR = '#C0C0C0';
// Creates the graph inside the given container
var graph = new mxGraph(container);
// Uncomment the following if you want the container
// to fit the size of the graph
//graph.setResizeContainer(true);
// Enables rubberband selection
new mxRubberband(graph);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
var parent = graph.getDefaultParent();
// Adds cells to the model in a single step
graph.getModel().beginUpdate();
try
{
var v1 = graph.insertVertex(parent, null, 'Fixed icon', 20, 20, 80, 50,
'shape=label;image=images/plus.png;imageWidth=16;imageHeight=16;spacingBottom=10;' +
'fillColor=#adc5ff;gradientColor=#7d85df;glass=1;rounded=1;shadow=1;');
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
}
};
</script>
</head>
<!-- Page passes the container for the graph to the program -->
<body onload="main(document.getElementById('graphContainer'))">
<!-- Creates a container for the graph with a grid wallpaper -->
<div id="graphContainer"
style="overflow:hidden;position:relative;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
</div>
</body>
</html>