maxGraph/javascript/examples/wrapping.html

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<!--
$Id: wrapping.html,v 1.11 2011-09-02 14:19:02 gaudenz Exp $
Copyright (c) 2006-2010, JGraph Ltd
Wrapping example for mxGraph. This example demonstrates using HTML markup and
word-wrapping in vertex and edge labels.
-->
<html>
<head>
<title>Wrapping 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. 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
{
// Creates the graph inside the given container
var graph = new mxGraph(container);
// Enables HTML labels as wrapping is only available for those
graph.htmlLabels = true;
// Disables in-place editing for edges
graph.isCellEditable = function(cell)
{
return !this.model.isEdge(cell);
};
// 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, 'Cum Caesar vidisset, portum plenum esse, iuxta navigavit.',
20, 20, 100, 70, 'whiteSpace=wrap;');
var v2 = graph.insertVertex(parent, null, 'Cum Caesar vidisset, portum plenum esse, iuxta navigavit.',
220, 150, 80, 70, 'whiteSpace=wrap;');
var e1 = graph.insertEdge(parent, null, '<table style="width:100px;font-size:11px;color:#774400;"><tr><td align="center">Cum Caesar vidisset, portum plenum esse, iuxta navigavit.</td></tr></table>',
v1, v2);
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
}
};
</script>
</head>
<!-- Page passes the container for the graph to the grogram -->
<body onload="main(document.getElementById('graphContainer'))">
<!-- Creates a container for the graph with a grid wallpaper -->
<div id="graphContainer"
style="position:relative;overflow:hidden;width:341px;height:241px;background:url('editors/images/grid.gif')">
</div>
</body>
</html>