98 lines
6.9 KiB
HTML
98 lines
6.9 KiB
HTML
|
<!--
|
||
|
|
$Id: codec.html,v 1.22 2011-04-28 15:31:10 gaudenz Exp $
|
||
|
|
Copyright (c) 2006-2010, JGraph Ltd
|
||
|
|
|
||
|
|
Codec example for mxGraph. This example demonstrates dynamically
|
||
|
|
creating a graph from XML and encoding the model into XML, as well
|
||
|
|
as changing the default style for edges in-place.
|
||
|
|
-->
|
||
|
|
<html>
|
||
|
|
<head>
|
||
|
|
<title>Codec 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 browser is supported
|
||
|
|
if (mxClient.isBrowserSupported())
|
||
|
|
{
|
||
|
|
// This code can replace multiple textareas with encoded graphs
|
||
|
|
var textareas = document.getElementsByTagName('textarea');
|
||
|
|
var count = textareas.length;
|
||
|
|
|
||
|
|
for (var i = 0; i < count; i++)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
var container = document.createElement('div');
|
||
|
|
container.style.cssText = textareas[i].style.cssText;
|
||
|
|
container.style.position = 'relative';
|
||
|
|
container.style.overflow = 'hidden';
|
||
|
|
|
||
|
|
// Creates a read-only graph in the new container
|
||
|
|
var graph = new mxGraph(container);
|
||
|
|
graph.setEnabled(false);
|
||
|
|
|
||
|
|
// Changes the default style for edges "in-place"
|
||
|
|
var style = graph.getStylesheet().getDefaultEdgeStyle();
|
||
|
|
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
|
||
|
|
|
||
|
|
// Reads the XML into the graph
|
||
|
|
var xml = textareas[i].value;
|
||
|
|
var xmlDocument = mxUtils.parseXml(xml);
|
||
|
|
var decoder = new mxCodec(xmlDocument);
|
||
|
|
var node = xmlDocument.documentElement;
|
||
|
|
decoder.decode(node, graph.getModel());
|
||
|
|
|
||
|
|
// Fit the container to the graph size
|
||
|
|
var bounds = graph.getGraphBounds();
|
||
|
|
container.style.width = (bounds.x + bounds.width + 1) + 'px';
|
||
|
|
container.style.height = (bounds.y + bounds.height + 1) + 'px';
|
||
|
|
document.body.insertBefore(container, textareas[i]);
|
||
|
|
|
||
|
|
var button = mxUtils.button('View XML', function()
|
||
|
|
{
|
||
|
|
var encoder = new mxCodec();
|
||
|
|
var node = encoder.encode(graph.getModel());
|
||
|
|
mxUtils.popup(mxUtils.getPrettyXml(node), true);
|
||
|
|
});
|
||
|
|
|
||
|
|
document.body.insertBefore(button, container.nextSibling);
|
||
|
|
|
||
|
|
// Hides the textarea
|
||
|
|
textareas[i].style.visibility = 'hidden';
|
||
|
|
}
|
||
|
|
catch (err)
|
||
|
|
{
|
||
|
|
// ignore
|
||
|
|
throw err;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
</script>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<!-- Calls the main function after the page has loaded. Container is dynamically created. -->
|
||
|
|
<body onload="main();">
|
||
|
|
|
||
|
|
<!-- Contains a graph description which will be converted. -->
|
||
|
|
<textarea style="background:#EEEEEE;"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="2" vertex="-1" parent="1" value="Interval 1"><mxGeometry x="380" y="20" width="140" height="30" as="geometry"/></mxCell><mxCell id="3" vertex="-1" parent="1" value="Interval 2"><mxGeometry x="200" y="80" width="380" height="30" as="geometry"/></mxCell><mxCell id="4" vertex="-1" parent="1" value="Interval 3"><mxGeometry x="40" y="140" width="260" height="30" as="geometry"/></mxCell><mxCell id="5" vertex="-1" parent="1" value="Interval 4"><mxGeometry x="120" y="200" width="240" height="30" as="geometry"/></mxCell><mxCell id="6" vertex="-1" parent="1" value="Interval 5"><mxGeometry x="420" y="260" width="80" height="30" as="geometry"/></mxCell><mxCell id="7" edge="1" source="2" target="3" parent="1" value="Transfer1"><mxGeometry as="geometry"><Array as="points"><Object x="420" y="60"/></Array></mxGeometry></mxCell><mxCell id="8" edge="1" source="2" target="6" parent="1" value="Transfer2"><mxGeometry as="geometry" relative="1" y="-30"><Array as="points"><Object x="600" y="60"/></Array></mxGeometry></mxCell><mxCell id="9" edge="1" source="3" target="4" parent="1" value="Transfer3"><mxGeometry as="geometry"><Array as="points"><Object x="260" y="120"/></Array></mxGeometry></mxCell><mxCell id="10" edge="1" source="4" target="5" parent="1" value="Transfer4"><mxGeometry as="geometry"><Array as="points"><Object x="200" y="180"/></Array></mxGeometry></mxCell><mxCell id="11" edge="1" source="4" target="6" parent="1" value="Transfer5"><mxGeometry as="geometry" relative="1" y="-10"><Array as="points"><Object x="460" y="155"/></Array></mxGeometry></mxCell></root></mxGraphModel></textarea>
|
||
|
|
<textarea style="background:#EEEEEE;"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="2" vertex="-1" parent="1" value="Interval 1"><mxGeometry x="380" y="20" width="140" height="30" as="geometry"/></mxCell><mxCell id="3" vertex="-1" parent="1" value="Interval 2"><mxGeometry x="200" y="80" width="380" height="30" as="geometry"/></mxCell><mxCell id="4" vertex="-1" parent="1" value="Interval 3"><mxGeometry x="40" y="140" width="260" height="30" as="geometry"/></mxCell><mxCell id="5" vertex="-1" parent="1" value="Interval 4"><mxGeometry x="120" y="200" width="240" height="30" as="geometry"/></mxCell><mxCell id="6" vertex="-1" parent="1" value="Interval 5"><mxGeometry x="420" y="260" width="80" height="30" as="geometry"/></mxCell><mxCell id="7" edge="1" source="2" target="3" parent="1" value="Transfer1"><mxGeometry as="geometry"><Array as="points"><Object x="420" y="60"/></Array></mxGeometry></mxCell><mxCell id="8" edge="1" source="2" target="6" parent="1" value="Transfer2"><mxGeometry as="geometry" relative="1" y="-30"><Array as="points"><Object x="600" y="60"/></Array></mxGeometry></mxCell><mxCell id="9" edge="1" source="3" target="4" parent="1" value="Transfer3"><mxGeometry as="geometry"><Array as="points"><Object x="260" y="120"/></Array></mxGeometry></mxCell><mxCell id="10" edge="1" source="4" target="5" parent="1" value="Transfer4"><mxGeometry as="geometry"><Array as="points"><Object x="200" y="180"/></Array></mxGeometry></mxCell><mxCell id="11" edge="1" source="4" target="6" parent="1" value="Transfer5"><mxGeometry as="geometry" relative="1" y="-10"><Array as="points"><Object x="460" y="155"/></Array></mxGeometry></mxCell></root></mxGraphModel></textarea>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|