Drag and drop using a proxy element.
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<title>Using a Proxy Element</title>
<style type="text/css">
/*margin and padding on body element
can introduce errors in determining
element position and are not recommended;
we turn them off as a foundation for YUI
CSS treatments. */
body {
margin:0;
padding:0;
}
</style>
<link rel="stylesheet" type="text/css" href="yui_2.7.0b-lib/fonts/fonts-min.css" />
<script type="text/javascript" src="yui_2.7.0b-lib/yahoo-dom-event/yahoo-dom-event.js"></script>
<script type="text/javascript" src="yui_2.7.0b-lib/dragdrop/dragdrop-min.js"></script>
<!--begin custom header content for this example-->
<style type="text/css">
.dd-demo {
position:relative;
border:4px solid #666;
text-align:center;
color:#fff;
cursor:move;
height:60px;
width:60px;
}
.dd-demo-em {
border:4px solid purple;
}
#dd-demo-1 {
background-color:#6D739A;top:0px; left:0px;
}
#dd-demo-2 {
background-color:#566F4E;top:50px; left:100px; height: 80px; width: 80px;
}
#dd-demo-3 {
background-color:#7E5B60;top:-150px; left:200px; height: 100px; width: 100px;
}
#dd-demo-3-proxy {
position: absolute;
visibility: hidden;
color: #fff;
text-align:center;
background-color:#000;
height:100px;
width: 100px;
}
</style>
<!--end custom header content for this example-->
</head>
<body class=" yui-skin-sam">
<h1>Using a Proxy Element</h1>
<div class="exampleIntro">
<p>This example demonstrates drag and drop using a proxy element.</p>
</div>
<!--BEGIN SOURCE CODE FOR EXAMPLE -->
<div id="dd-demo-1" class="dd-demo"></div>
<div id="dd-demo-2" class="dd-demo"></div>
<div id="dd-demo-3" class="dd-demo"></div>
<div id="dd-demo-3-proxy">Custom</div>
<script type="text/javascript">
(function() {
var dd, dd2, dd3;
YAHOO.util.Event.onDOMReady(function() {
// The first two instances will share a proxy
// element, created automatically by the utility.
// This element will be resized at drag time so
// that it matches the size of the source element.
// It is configured by default to have a 2 pixel
// grey border.
dd = new YAHOO.util.DDProxy("dd-demo-1");
dd2 = new YAHOO.util.DDProxy("dd-demo-2");
// The third instance has a dedicated custom proxy
dd3 = new YAHOO.util.DDProxy("dd-demo-3", "default", {
// Define a custom proxy element. It will be
// created if not already on the page.
dragElId: "dd-demo-3-proxy",
// When a drag starts, the proxy is normally
// resized. Turn this off so we can keep a
// fixed sized proxy.
resizeFrame: false
});
});
})();
</script>
<!--END SOURCE CODE FOR EXAMPLE -->
</body>
</html>
<!-- presentbright.corp.yahoo.com uncompressed/chunked Thu Feb 19 10:53:13 PST 2009 -->
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