<!--
Copyright (c) 2006-2013, 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)
{
if (mxClient.isBrowserSupported())
{
var divs = document.getElementsByTagName('*');
for (var i = 0; i < divs.length; i++)
{
if (divs[i].className.toString().indexOf('mxgraph') >= 0)
{
(function(container)
{
var xml = mxUtils.getTextContent(container);
var xmlDocument = mxUtils.parseXml(xml);
if (xmlDocument.documentElement != null && xmlDocument.documentElement.nodeName == 'mxGraphModel')
{
var decoder = new mxCodec(xmlDocument);
var node = xmlDocument.documentElement;
container.innerHTML = '';
var graph = new mxGraph(container);
graph.centerZoom = false;
graph.setTooltips(false);
graph.setEnabled(false);
// Changes the default style for edges "in-place"
var style = graph.getStylesheet().getDefaultEdgeStyle();
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
// Enables panning with left mouse button
graph.panningHandler.useLeftButtonForPanning = true;
graph.panningHandler.ignoreCell = true;
graph.container.style.cursor = 'move';
graph.setPanning(true);
if (divs[i].style.width == '' && divs[i].style.height == '')
{
graph.resizeContainer = true;
}
else
{
// Adds border for fixed size boxes
graph.border = 20;
}
decoder.decode(node, graph.getModel());
graph.resizeContainer = false;
// Adds zoom buttons in top, left corner
var buttons = document.createElement('div');
buttons.style.position = 'absolute';
buttons.style.overflow = 'visible';
var bs = graph.getBorderSizes();
buttons.style.top = (container.offsetTop + bs.y) + 'px';
buttons.style.left = (container.offsetLeft + bs.x) + 'px';
var left = 0;
var bw = 16;
var bh = 16;
if (mxClient.IS_QUIRKS)
{
bw -= 1;
bh -= 1;
}
function addButton(label, funct)
{
var btn = document.createElement('div');
mxUtils.write(btn, label);
btn.style.position = 'absolute';
btn.style.backgroundColor = 'transparent';
btn.style.border = '1px solid gray';
btn.style.textAlign = 'center';
btn.style.fontSize = '10px';
btn.style.cursor = 'hand';
btn.style.width = bw + 'px';
btn.style.height = bh + 'px';
btn.style.left = left + 'px';
btn.style.top = '0px';
mxEvent.addListener(btn, 'click', function(evt)
{
funct();
mxEvent.consume(evt);
});
left += bw;
buttons.appendChild(btn);
};
addButton('+', function()
{
graph.zoomIn();
});
addButton('-', function()
{
graph.zoomOut();
});
if (container.nextSibling != null)
{
container.parentNode.insertBefore(buttons, container.nextSibling);
}
else
{
container.appendChild(buttons);
}
}
})(divs[i]);
}
}
}
};
</script>
</head>
<body>
<!-- Contains a graph description which will be converted. -->
This graph is embedded in the page.
<div class="mxgraph" style="position:relative;overflow:auto;"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="2" vertex="1" parent="1" value="Interval 1"><mxGeometry x="380" y="0" 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=""><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></div>
This graph is embedded in the page.
<div class="mxgraph" style="position:relative;background:#eeeeee;border:1px solid gray;overflow:auto;width:400px;height:200px;"><mxGraphModel><root><mxCell id="0"/><mxCell id="1" parent="0"/><mxCell id="2" vertex="1" parent="1" value="Interval 1"><mxGeometry x="380" y="0" 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=""><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></div>
This graph is embedded in the page.
<div class="mxgraph" style="position:relative;background:#eeeeee;border:6px solid gray;overflow:auto;width:400px;height:200px;"><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="0"><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></div>
This graph is embedded in the page.
<div class="mxgraph" style="position:relative;overflow:hidden;border:6px solid gray;"><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="0"><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></div>
This graph is embedded in the page.
<script type="text/javascript">
main();
</script>
</body>
</html>