<!--
  Copyright (c) 2006-2013, JGraph Ltd
  
  Menustyle example for mxGraph. This example demonstrates using
  CSS to style the mxPopupMenu.
-->
<html>
<head>
	<title>Menustyle example for mxGraph</title>

	<style type="text/css">
		body div.mxPopupMenu {
			-webkit-box-shadow: 3px 3px 6px #C0C0C0;
			-moz-box-shadow: 3px 3px 6px #C0C0C0;
			box-shadow: 3px 3px 6px #C0C0C0;
			background: white;
			position: absolute;
			border: 3px solid #e7e7e7;
			padding: 3px;
		}
		body table.mxPopupMenu {
			border-collapse: collapse;
			margin: 0px;
		}
		body tr.mxPopupMenuItem {
			color: black;
			cursor: default;
		}
		body td.mxPopupMenuItem {
			padding: 6px 60px 6px 30px;
			font-family: Arial;
			font-size: 10pt;
		}
		body td.mxPopupMenuIcon {
			background-color: white;
			padding: 0px;
		}
		body tr.mxPopupMenuItemHover {
			background-color: #eeeeee;
			color: black;
		}
		table.mxPopupMenu hr {
			border-top: solid 1px #cccccc;
		}
		table.mxPopupMenu tr {
			font-size: 4pt;
		}
	</style>

	<!-- 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
			{
				// Disables built-in context menu
				mxEvent.disableContextMenu(document.body);
				
				// Changes some default colors
				mxConstants.HANDLE_FILLCOLOR = '#99ccff';
				mxConstants.HANDLE_STROKECOLOR = '#0088cf';
				mxConstants.VERTEX_SELECTION_COLOR = '#00a8ff';
				
				// Creates the graph inside the given container
				var graph = new mxGraph(container);
				graph.setTooltips(true);

				// 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, 80, 30);
					var v2 = graph.insertVertex(parent, null, 'World!', 200, 150, 80, 30);
					var e1 = graph.insertEdge(parent, null, '', v1, v2);
				}
				finally
				{
					// Updates the display
					graph.getModel().endUpdate();
				}
				
				// Creates a new overlay with an image and a tooltip and makes it "transparent" to events
				var overlay = new mxCellOverlay(new mxImage('editors/images/overlays/check.png', 16, 16), 'Overlay tooltip');

				var mxCellRendererInstallCellOverlayListeners = mxCellRenderer.prototype.installCellOverlayListeners;
				mxCellRenderer.prototype.installCellOverlayListeners = function(state, overlay, shape)
				{
					mxCellRendererInstallCellOverlayListeners.apply(this, arguments);
					var graph  = state.view.graph;

					mxEvent.addGestureListeners(shape.node,
						function (evt)
						{
							graph.fireMouseEvent(mxEvent.MOUSE_DOWN, new mxMouseEvent(evt, state));
						},
						function (evt)
						{
							graph.fireMouseEvent(mxEvent.MOUSE_MOVE, new mxMouseEvent(evt, state));
						},
						function (evt)
						{
							if (mxClient.IS_QUIRKS)
							{
								graph.fireMouseEvent(mxEvent.MOUSE_UP, new mxMouseEvent(evt, state));
							}
						});
					
					if (!mxClient.IS_TOUCH)
					{
						mxEvent.addListener(shape.node, 'mouseup', function (evt)
						{
							overlay.fireEvent(new mxEventObject(mxEvent.CLICK,
									'event', evt, 'cell', state.cell));
						});
					}
				};
				
				// Sets the overlay for the cell in the graph
				graph.addCellOverlay(v1, overlay);
				
				// Configures automatic expand on mouseover
				graph.popupMenuHandler.autoExpand = true;

			    // Installs context menu
				graph.popupMenuHandler.factoryMethod = function(menu, cell, evt)
				{
					menu.addItem('Item 1', null, function()
				    {
						alert('Item 1');
				    });
					
					menu.addItem('Item 2', null, function()
				    {
						alert('Item 2');
				    });

					menu.addSeparator();
					
					var submenu1 = menu.addItem('Submenu 1', null, null);
					
					menu.addItem('Subitem 1', null, function()
				    {
						alert('Subitem 1');
				    }, submenu1);
					menu.addItem('Subitem 1', null, function()
				    {
						alert('Subitem 2');
				    }, submenu1);
				};
			}
		};
	</script>
</head>

<!-- Page passes the container for the graph to the program -->
<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>