maxGraph/javascript/examples/menustyle.html

188 lines
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HTML

<!--
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>