<!--
Copyright (c) 2006-2013, JGraph Ltd
Collapse example for mxGraph. This example demonstrates changing
the style of a cell based on its collapsed state.
-->
<html>
<head>
<title>Collapse 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)
{
var graph = new mxGraph(container);
var parent = graph.getDefaultParent();
// Extends mxGraphModel.getStyle to show an image when collapsed
var modelGetStyle = graph.model.getStyle;
graph.model.getStyle = function(cell)
{
if (cell != null)
{
var style = modelGetStyle.apply(this, arguments);
if (this.isCollapsed(cell))
{
style = style + ';shape=image;image=http://www.jgraph.com/images/mxgraph.gif;' +
'noLabel=1;imageBackground=#C3D9FF;imageBorder=#6482B9';
}
return style;
}
return null;
};
graph.getModel().beginUpdate();
try
{
var v1 = graph.insertVertex(parent, null, 'Container', 20, 20, 200, 200,
'shape=swimlane;startSize=20;');
v1.geometry.alternateBounds = new mxRectangle(0, 0, 110, 70);
var v11 = graph.insertVertex(v1, null, 'Hello,', 10, 40, 120, 80);
}
finally
{
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="position:relative;overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
</div>
</body>
</html>