maxGraph/javascript/examples/labelposition.html

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<!--
$Id: labelposition.html,v 1.7 2012-11-07 13:49:04 gaudenz Exp $
Copyright (c) 2006-2010, JGraph Ltd
Label Position example for mxGraph. This example demonstrates the use of the
label position styles to set the position of vertex labels.
-->
<html>
<head>
<title>Label Position 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">
// Program starts here.
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
{
// Creates the graph inside the given container
var graph = new mxGraph(container);
// Gets the default parent for inserting new cells. This
// is normally the first child of the root (ie. layer 0).
var parent = graph.getDefaultParent();
// Defines the common part of all cell styles as a string-prefix
var prefix = 'shape=image;image=images/icons48/keys.png;';
// Adds cells to the model in a single step and set the vertex
// label positions using the label position styles. Vertical
// and horizontal label position styles can be combined.
// Note: Alternatively, vertex labels can be set be overriding
// mxCellRenderer.getLabelBounds.
graph.getModel().beginUpdate();
try
{
graph.insertVertex(parent, null, 'Bottom', 60, 60, 60, 60,
prefix+'verticalLabelPosition=bottom;verticalAlign=top');
graph.insertVertex(parent, null, 'Top', 140, 60, 60, 60,
prefix+'verticalLabelPosition=top;verticalAlign=bottom');
graph.insertVertex(parent, null, 'Left', 60, 160, 60, 60,
prefix+'labelPosition=left;align=right');
graph.insertVertex(parent, null, 'Right', 140, 160, 60, 60,
prefix+'labelPosition=right;align=left');
}
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:absolute;width:100%;height:100%;">
</div>
</body>
</html>