168 lines
5.2 KiB
HTML
168 lines
5.2 KiB
HTML
<!--
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Copyright (c) 2006-2013, JGraph Ltd
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Folding example for mxGraph. This example demonstrates
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using a layout to implement a nested group structure.
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-->
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<html>
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<head>
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<title>Folding 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 the 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 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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// Enables crisp rendering of rectangles in SVG
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mxConstants.ENTITY_SEGMENT = 20;
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// Creates the graph inside the given container
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var graph = new mxGraph(container);
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graph.setDropEnabled(true);
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// Disables global features
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graph.collapseToPreferredSize = false;
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graph.constrainChildren = false;
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graph.cellsSelectable = false;
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graph.extendParentsOnAdd = false;
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graph.extendParents = false;
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graph.border = 10;
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// Sets global styles
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var style = graph.getStylesheet().getDefaultEdgeStyle();
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style[mxConstants.STYLE_EDGE] = mxEdgeStyle.EntityRelation;
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style[mxConstants.STYLE_ROUNDED] = true;
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style = graph.getStylesheet().getDefaultVertexStyle();
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style[mxConstants.STYLE_FILLCOLOR] = '#ffffff';
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style[mxConstants.STYLE_SHAPE] = 'swimlane';
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style[mxConstants.STYLE_STARTSIZE] = 30;
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style = [];
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style[mxConstants.STYLE_SHAPE] = mxConstants.SHAPE_RECTANGLE;
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style[mxConstants.STYLE_STROKECOLOR] = 'none';
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style[mxConstants.STYLE_FILLCOLOR] = 'none';
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style[mxConstants.STYLE_FOLDABLE] = false;
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graph.getStylesheet().putCellStyle('column', style);
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// Installs auto layout for all levels
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var layout = new mxStackLayout(graph, true);
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layout.border = graph.border;
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var layoutMgr = new mxLayoutManager(graph);
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layoutMgr.getLayout = function(cell)
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{
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if (!cell.collapsed)
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{
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if (cell.parent != graph.model.root)
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{
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layout.resizeParent = true;
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layout.horizontal = false;
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layout.spacing = 10;
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}
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else
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{
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layout.resizeParent = true;
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layout.horizontal = true;
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layout.spacing = 40;
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}
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return layout;
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}
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return null;
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};
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// Resizes the container
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graph.setResizeContainer(true);
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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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// 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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var col1 = graph.insertVertex(parent, null, '', 0, 0, 120, 0, 'column');
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var v1 = graph.insertVertex(col1, null, '1', 0, 0, 100, 30);
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v1.collapsed = true;
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var v11 = graph.insertVertex(v1, null, '1.1', 0, 0, 80, 30);
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v11.collapsed = true;
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var v111 = graph.insertVertex(v11, null, '1.1.1', 0, 0, 60, 30);
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var v112 = graph.insertVertex(v11, null, '1.1.2', 0, 0, 60, 30);
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var v12 = graph.insertVertex(v1, null, '1.2', 0, 0, 80, 30);
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var col2 = graph.insertVertex(parent, null, '', 0, 0, 120, 0, 'column');
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var v2 = graph.insertVertex(col2, null, '2', 0, 0, 100, 30);
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v2.collapsed = true;
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var v21 = graph.insertVertex(v2, null, '2.1', 0, 0, 80, 30);
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v21.collapsed = true;
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var v211 = graph.insertVertex(v21, null, '2.1.1', 0, 0, 60, 30);
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var v212 = graph.insertVertex(v21, null, '2.1.2', 0, 0, 60, 30);
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var v22 = graph.insertVertex(v2, null, '2.2', 0, 0, 80, 30);
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var v3 = graph.insertVertex(col2, null, '3', 0, 0, 100, 30);
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v3.collapsed = true;
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var v31 = graph.insertVertex(v3, null, '3.1', 0, 0, 80, 30);
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v31.collapsed = true;
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var v311 = graph.insertVertex(v31, null, '3.1.1', 0, 0, 60, 30);
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var v312 = graph.insertVertex(v31, null, '3.1.2', 0, 0, 60, 30);
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var v32 = graph.insertVertex(v3, null, '3.2', 0, 0, 80, 30);
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graph.insertEdge(parent, null, '', v111, v211);
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graph.insertEdge(parent, null, '', v112, v212);
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graph.insertEdge(parent, null, '', v112, v22);
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graph.insertEdge(parent, null, '', v12, v311);
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graph.insertEdge(parent, null, '', v12, v312);
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graph.insertEdge(parent, null, '', v12, v32);
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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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}
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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="position:relative;overflow:hidden;width:321px;height:241px;;background:url('editors/images/grid.gif');cursor:default;">
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</div>
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</body>
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</html>
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