2012-05-21 20:32:26 +00:00
|
|
|
<!--
|
2013-10-28 08:56:36 +00:00
|
|
|
Copyright (c) 2006-2013, JGraph Ltd
|
2012-05-21 20:32:26 +00:00
|
|
|
|
|
|
|
|
Hello, World! example for mxGraph. This example demonstrates using
|
|
|
|
|
the isPort hook for visually connecting to another cell.
|
|
|
|
|
-->
|
|
|
|
|
<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
|
|
|
|
|
{
|
|
|
|
|
// Creates the graph inside the given container
|
|
|
|
|
var graph = new mxGraph(container);
|
|
|
|
|
graph.setConnectable(true);
|
|
|
|
|
graph.setTooltips(true);
|
|
|
|
|
|
|
|
|
|
// Sets the default edge style
|
|
|
|
|
var style = graph.getStylesheet().getDefaultEdgeStyle();
|
|
|
|
|
style[mxConstants.STYLE_EDGE] = mxEdgeStyle.ElbowConnector;
|
|
|
|
|
|
|
|
|
|
// Ports are not used as terminals for edges, they are
|
|
|
|
|
// only used to compute the graphical connection point
|
|
|
|
|
graph.isPort = function(cell)
|
|
|
|
|
{
|
|
|
|
|
var geo = this.getCellGeometry(cell);
|
|
|
|
|
|
|
|
|
|
return (geo != null) ? geo.relative : false;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Implements a tooltip that shows the actual
|
|
|
|
|
// source and target of an edge
|
|
|
|
|
graph.getTooltipForCell = function(cell)
|
|
|
|
|
{
|
|
|
|
|
if (this.model.isEdge(cell))
|
|
|
|
|
{
|
|
|
|
|
return this.convertValueToString(this.model.getTerminal(cell, true)) + ' => ' +
|
|
|
|
|
this.convertValueToString(this.model.getTerminal(cell, false))
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return mxGraph.prototype.getTooltipForCell.apply(this, arguments);
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// Removes the folding icon and disables any folding
|
|
|
|
|
graph.isCellFoldable = function(cell)
|
|
|
|
|
{
|
|
|
|
|
return false;
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
// 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();
|
|
|
|
|
try
|
|
|
|
|
{
|
|
|
|
|
var v1 = graph.insertVertex(parent, null, 'Hello', 20, 80, 80, 30);
|
|
|
|
|
v1.setConnectable(false);
|
|
|
|
|
var v11 = graph.insertVertex(v1, null, '', 1, 1, 10, 10);
|
|
|
|
|
v11.geometry.offset = new mxPoint(-5, -5);
|
|
|
|
|
v11.geometry.relative = true;
|
|
|
|
|
var v12 = graph.insertVertex(v1, null, '', 1, 0, 10, 10);
|
|
|
|
|
v12.geometry.offset = new mxPoint(-5, -5);
|
|
|
|
|
v12.geometry.relative = true;
|
|
|
|
|
var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
|
|
|
|
|
var v3 = graph.insertVertex(parent, null, 'World2', 200, 20, 80, 30);
|
|
|
|
|
var e1 = graph.insertEdge(parent, null, '', v11, v2);
|
|
|
|
|
var e1 = graph.insertEdge(parent, null, '', v12, v3);
|
|
|
|
|
}
|
|
|
|
|
finally
|
|
|
|
|
{
|
|
|
|
|
// Updates the display
|
|
|
|
|
graph.getModel().endUpdate();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
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);
|
|
|
|
|
}
|
|
|
|
|
};
|
|
|
|
|
</script>
|
|
|
|
|
</head>
|
|
|
|
|
|
2012-07-20 10:35:30 +00:00
|
|
|
<!-- Page passes the container for the graph to the program -->
|
2012-05-21 20:32:26 +00:00
|
|
|
<body onload="main(document.getElementById('graphContainer'))">
|
|
|
|
|
|
|
|
|
|
<!-- Creates a container for the graph with a grid wallpaper -->
|
|
|
|
|
<div id="graphContainer"
|
|
|
|
|
style="overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif');cursor:default;">
|
|
|
|
|
</div>
|
|
|
|
|
</body>
|
|
|
|
|
</html>
|
