93 lines
2.5 KiB
HTML
93 lines
2.5 KiB
HTML
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<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Thread example for mxGraph. This example demonstrates setting
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overlays in mxGraph from within a timed function.
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-->
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<html>
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<head>
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<title>Thread example for mxGraph</title>
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<!-- Sets the basepath for the library if not in same directory -->
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<script type="text/javascript">
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mxBasePath = '../src';
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</script>
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<!-- Loads and initializes the library -->
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<script type="text/javascript" src="../src/js/mxClient.js"></script>
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<!-- Example code -->
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<script type="text/javascript">
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// Program starts here. Creates a sample graph in the
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// DOM node with the specified ID. This function is invoked
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// from the onLoad event handler of the document (see below).
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function main(container)
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{
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// Checks if browser is supported
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if (!mxClient.isBrowserSupported())
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{
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// Displays an error message if the browser is
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// not supported.
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mxUtils.error('Browser is not supported!', 200, false);
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}
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else
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{
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// Creates the graph inside the given container
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var graph = new mxGraph(container);
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// Disables basic selection and cell handling
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graph.setEnabled(false);
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// Gets the default parent for inserting new cells. This
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// is normally the first child of the root (ie. layer 0).
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var parent = graph.getDefaultParent();
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var v1, v2, e1;
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// Adds cells to the model in a single step
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graph.getModel().beginUpdate();
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try
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{
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v1 = graph.insertVertex(parent, null, 'Hello,', 20, 20, 80, 30);
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v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
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e1 = graph.insertEdge(parent, null, '', v1, v2);
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}
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finally
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{
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// Updates the display
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graph.getModel().endUpdate();
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}
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// Function to switch the overlay every 5 secs
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var f = function()
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{
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var overlays = graph.getCellOverlays(v1);
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if (overlays == null)
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{
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graph.removeCellOverlays(v2);
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graph.setCellWarning(v1, 'Tooltip');
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}
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else
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{
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graph.removeCellOverlays(v1);
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graph.setCellWarning(v2, 'Tooltip');
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}
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};
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window.setInterval(f, 1000);
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f();
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}
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};
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</script>
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</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'))">
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<!-- Creates a container for the graph with a grid wallpaper -->
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<div id="graphContainer"
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style="overflow:hidden;width:321px;height:241px;background:url('editors/images/grid.gif')">
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</div>
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</body>
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</html>
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