139 lines
4.7 KiB
HTML
139 lines
4.7 KiB
HTML
<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Hierarchical Layout example for mxGraph. This example demonstrates the
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use of the hierarchical and organic layouts. Note that the hierarchical
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layout requires another script tag in the head of the page.
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-->
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<html>
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<head>
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<title>Hierarchical Layout 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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// Adds rubberband selection
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new mxRubberband(graph);
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// Changes the default vertex style in-place
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var style = graph.getStylesheet().getDefaultVertexStyle();
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style[mxConstants.STYLE_PERIMETER] = mxPerimeter.RectanglePerimeter;
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style[mxConstants.STYLE_GRADIENTCOLOR] = 'white';
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style[mxConstants.STYLE_PERIMETER_SPACING] = 6;
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style[mxConstants.STYLE_ROUNDED] = true;
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style[mxConstants.STYLE_SHADOW] = true;
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style = graph.getStylesheet().getDefaultEdgeStyle();
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style[mxConstants.STYLE_ROUNDED] = true;
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// Creates a layout algorithm to be used
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// with the graph
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var layout = new mxHierarchicalLayout(graph);
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var organic = new mxFastOrganicLayout(graph);
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organic.forceConstant = 120;
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var parent = graph.getDefaultParent();
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// Adds a button to execute the layout
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var button = document.createElement('button');
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mxUtils.write(button, 'Hierarchical');
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mxEvent.addListener(button, 'click', function(evt)
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{
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layout.execute(parent);
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});
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document.body.appendChild(button);
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// Adds a button to execute the layout
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var button = document.createElement('button');
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mxUtils.write(button, 'Organic');
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mxEvent.addListener(button, 'click', function(evt)
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{
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organic.execute(parent);
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});
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document.body.appendChild(button);
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// Load cells and layouts the graph
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graph.getModel().beginUpdate();
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try
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{
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var v1 = graph.insertVertex(parent, null, '1', 0, 0, 80, 30);
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var v2 = graph.insertVertex(parent, null, '2', 0, 0, 80, 30);
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var v3 = graph.insertVertex(parent, null, '3', 0, 0, 80, 30);
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var v4 = graph.insertVertex(parent, null, '4', 0, 0, 80, 30);
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var v5 = graph.insertVertex(parent, null, '5', 0, 0, 80, 30);
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var v6 = graph.insertVertex(parent, null, '6', 0, 0, 80, 30);
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var v7 = graph.insertVertex(parent, null, '7', 0, 0, 80, 30);
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var v8 = graph.insertVertex(parent, null, '8', 0, 0, 80, 30);
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var v9 = graph.insertVertex(parent, null, '9', 0, 0, 80, 30);
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var e1 = graph.insertEdge(parent, null, '', v1, v2);
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var e2 = graph.insertEdge(parent, null, '', v1, v3);
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var e3 = graph.insertEdge(parent, null, '', v3, v4);
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var e4 = graph.insertEdge(parent, null, '', v2, v5);
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var e5 = graph.insertEdge(parent, null, '', v1, v6);
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var e6 = graph.insertEdge(parent, null, '', v2, v3);
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var e7 = graph.insertEdge(parent, null, '', v6, v4);
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var e8 = graph.insertEdge(parent, null, '', v6, v1);
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var e9 = graph.insertEdge(parent, null, '', v6, v7);
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var e10 = graph.insertEdge(parent, null, '', v7, v8);
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var e11 = graph.insertEdge(parent, null, '', v7, v9);
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var e12 = graph.insertEdge(parent, null, '', v7, v6);
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var e13 = graph.insertEdge(parent, null, '', v7, v5);
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// Executes the layout
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layout.execute(parent);
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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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if (mxClient.IS_QUIRKS)
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{
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document.body.style.overflow = 'hidden';
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new mxDivResizer(container);
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}
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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'))" style="margin:4px;">
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<!-- Creates a container for the graph with a grid wallpaper. Make sure to define the position
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and overflow attributes! See comments on the adding of the size-listener on line 54 ff! -->
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<div id="graphContainer"
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style="position:absolute;overflow:auto;top:36px;bottom:0px;left:0px;right:0px;border-top:gray 1px solid;">
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</div>
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</body>
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</html>
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