maxGraph/javascript/examples/morph.html

108 lines
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HTML

<!--
Copyright (c) 2006-2013, JGraph Ltd
Morph example for mxGraph. This example demonstrates using
mxMorphing for simple cell animations.
-->
<html>
<head>
<title>Hello, World! 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
{
// Disables the built-in context menu
mxEvent.disableContextMenu(container);
// Creates the graph inside the given container
var graph = new mxGraph(container);
// 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();
var v1, v2;
try
{
v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
var e1 = graph.insertEdge(parent, null, '', v1, v2);
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
var mult = 1;
document.body.appendChild(mxUtils.button('Morph', function()
{
graph.clearSelection();
graph.getModel().beginUpdate();
try
{
var geo = graph.getCellGeometry(v1);
geo = geo.clone();
geo.x += 180 * mult;
graph.getModel().setGeometry(v1, geo);
var geo = graph.getCellGeometry(v2);
geo = geo.clone();
geo.x -= 180 * mult;
graph.getModel().setGeometry(v2, geo);
}
finally
{
// Arguments are number of steps, ease and delay
var morph = new mxMorphing(graph, 20, 1.2, 20);
morph.addListener(mxEvent.DONE, function()
{
graph.getModel().endUpdate();
});
morph.startAnimation();
}
mult *= -1;
}));
}
};
</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>