maxGraph/javascript/examples/pagebreaks.html

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<!--
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$Id: pagebreaks.html,v 1.2 2013/10/28 08:44:56 gaudenz Exp $
Copyright (c) 2006-2013, JGraph Ltd
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Pagebreaks example for mxGraph. This example demonstrates using
the pageBreaksVisible and preferPageSize switches.
-->
<html>
<head>
<title>Pagebreaks 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
{
mxEvent.disableContextMenu(container);
// Creates the graph inside the given container
var graph = new mxGraph(container);
graph.view.setScale(0.15);
graph.pageBreaksVisible = true;
graph.pageBreakDashed = true;
graph.preferPageSize = true;
graph.centerZoom = 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, 20, 280, 330);
var v2 = graph.insertVertex(parent, null, 'World!', 500, 550, 280, 330);
var e1 = graph.insertEdge(parent, null, '', v1, v2);
}
finally
{
// Updates the display
graph.getModel().endUpdate();
}
document.body.appendChild(mxUtils.button('Toggle Page Breaks',
function(evt)
{
graph.pageBreaksVisible = !graph.pageBreaksVisible;
graph.sizeDidChange();
}
));
document.body.appendChild(mxUtils.button('Zoom In',
function(evt)
{
graph.zoomIn();
}
));
document.body.appendChild(mxUtils.button('Zoom Out',
function(evt)
{
graph.zoomOut();
}
));
document.body.appendChild(mxUtils.button('Print',
function(evt)
{
var preview = new mxPrintPreview(graph);
preview.autoOrigin = false;
preview.open();
}
));
document.body.appendChild(mxUtils.button('Reset',
function(evt)
{
graph.view.scaleAndTranslate(0.15, 0, 0);
}
));
}
};
</script>
</head>
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<!-- Page passes the container for the graph to the program -->
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<body onload="main(document.getElementById('graphContainer'))">
<!-- Creates a container for the graph with a grid wallpaper -->
<div id="graphContainer"
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style="overflow:auto;position:relative;width:821px;height:641px;background:url('editors/images/grid.gif');cursor:default;">
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</div>
</body>
</html>