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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>YUI Library Examples: Drag & Drop: Using the Drag Shim</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<link rel="stylesheet" type="text/css" href="../../assets/yui.css" >
<style>
/*Supplemental CSS for the YUI distribution*/
#custom-doc { width: 95%; min-width: 950px; }
#pagetitle {background-image: url(../../assets/bg_hd.gif);}
</style>
<link rel="stylesheet" type="text/css" href="../../assets/dpSyntaxHighlighter.css">
<!--Script and CSS includes for YUI dependencies on this page-->
<link rel="stylesheet" type="text/css" href="../../build/logger/assets/skins/sam/logger.css" />
<link rel="stylesheet" type="text/css" href="../../build/button/assets/skins/sam/button.css" />
<script type="text/javascript" src="../../build/yuiloader/yuiloader-min.js"></script>
<script type="text/javascript" src="../../build/event/event-min.js"></script>
<script type="text/javascript" src="../../build/dom/dom-min.js"></script>
<script type="text/javascript" src="../../build/logger/logger-min.js"></script>
<script type="text/javascript" src="../../build/dragdrop/dragdrop-debug.js"></script>
<script type="text/javascript" src="../../build/element/element-min.js"></script>
<script type="text/javascript" src="../../build/button/button-min.js"></script>
<!--there is no custom header content for this example-->
<script type="text/javascript">
//enable passthrough of errors from YUI Event:
if ((typeof YAHOO !== "undefined") && (YAHOO.util) && (YAHOO.util.Event)) {
YAHOO.util.Event.throwErrors = true;
}
</script>
</head>
<body id="yahoo-com" class="yui-skin-sam">
<div id="custom-doc" class="yui-t2">
<div id="hd">
<div id="ygunav">
<p><em><a href="http://developer.yahoo.com/yui/">YUI Library Home</a></em></p>
<form action="http://search.yahoo.com/search" id="sitesearchform">
<input name="vs" type="hidden" value="developer.yahoo.com">
<input name="vs" type="hidden" value="yuiblog.com">
<div id="sitesearch">
<label for="searchinput">Site Search (YDN & YUIBlog): </label>
<input type="text" id="searchinput" name="p">
<input type="submit" value="Search" id="searchsubmit" class="ygbt">
</div>
</form> </div>
<div id="ygma"><a href="../../"><img src="../../assets/yui.gif" border="0" height="38"></a></div>
<div id="pagetitle"><h1>YUI Library Examples: Drag & Drop: Using the Drag Shim</h1></div>
</div>
<div id="bd">
<div id="yui-main">
<div class="yui-b">
<div class="yui-ge">
<div class="yui-u first example">
<div class="promo">
<h1>Drag & Drop: Using the Drag Shim</h1>
<div class="exampleIntro">
<p>This example shows the use of the drag shim when dragging nodes over other troublesome nodes.</p>
</div>
<div class="example-container module ">
<div class="hd exampleHd">
<p class="newWindowButton yui-skin-sam"><!--<span id="newWindowLinkx"><span class="first-child">--><a href="dd-shim_clean.html" target="_blank">View example in new window.</a><!--</span></span>-->
</div> <div id="example-canvas" class="bd">
<!--BEGIN SOURCE CODE FOR EXAMPLE =============================== -->
<style>
#demo {
height: 100px;
width: 100px;
border: 1px solid black;
cursor: move;
float: right;
}
#ifrm {
width: 400px;
height: 300px;
}
</style>
<p>Try dragging the proxy element over the iframe below, in most browsers this will not happen. Now click the <code>Shim off</code> button and drag again. Now you can drag over the iframe.</p>
<p>You can see the shim by clicking the <code>Debug Off</code> button.</p>
<p><button id="shim" value="off">Shim Off</button> <button id="debugShim" value="off" disabled>Debug Off</button></p>
<div id="demo">Drag Me</div>
<iframe id="ifrm" src="../dragdrop/assets/blank.htm"></iframe>
<script type="text/javascript">
(function() {
var Dom = YAHOO.util.Dom,
Event = YAHOO.util.Event;
Event.onDOMReady(function() {
//Create the DDProxy Instance
var dd = new YAHOO.util.DDProxy('demo', {
//Don't resize the frame
resizeFrame: false
});
//On startDrag let's change the proxy's size and color
dd.on('startDragEvent', function() {
Dom.setStyle(this.getDragEl(), 'height', '20px');
Dom.setStyle(this.getDragEl(), 'width', '100px');
Dom.setStyle(this.getDragEl(), 'backgroundColor', 'blue');
Dom.setStyle(this.getDragEl(), 'color', 'white');
this.getDragEl().innerHTML = 'Custom Proxy';
});
Event.on('shim', 'click', function(e) {
var tar = Event.getTarget(e);
var value = tar.value;
if (value == 'off' || value == 'Shim Off') {
//Turn on the shim
dd.useShim = true;
tar.value = 'on';
tar.innerHTML = 'Shim On';
Dom.get('debugShim').disabled = false;
} else {
//Turn off the shim
dd.useShim = false;
tar.value = 'off';
tar.innerHTML = 'Shim Off';
Dom.get('debugShim').disabled = true;
}
});
Event.on('debugShim', 'click', function(e) {
var tar = Event.getTarget(e);
var value = tar.value;
if (value == 'off' || value == 'Debug Off') {
//Turn on debugging the shim
YAHOO.util.DDM._debugShim = true;
tar.value = 'on';
tar.innerHTML = 'Debug On';
} else {
//Turn off debugging the shim
YAHOO.util.DDM._debugShim = false;
tar.value = 'off';
tar.innerHTML = 'Debug Off';
}
});
});
})();
</script>
<!--END SOURCE CODE FOR EXAMPLE =============================== -->
</div>
</div>
</div>
<h2 class="first">Using The Drag Shim</h2>
<p>Code for this example.</p>
<textarea name="code" class="JScript" cols="60" rows="1">
(function() {
var Dom = YAHOO.util.Dom,
Event = YAHOO.util.Event;
Event.onDOMReady(function() {
//Create the DDProxy Instance
var dd = new YAHOO.util.DDProxy('demo', {
//Don't resize the frame
resizeFrame: false
});
//On startDrag let's change the proxy's size and color
dd.on('startDragEvent', function() {
Dom.setStyle(this.getDragEl(), 'height', '20px');
Dom.setStyle(this.getDragEl(), 'width', '100px');
Dom.setStyle(this.getDragEl(), 'backgroundColor', 'blue');
Dom.setStyle(this.getDragEl(), 'color', 'white');
this.getDragEl().innerHTML = 'Custom Proxy';
});
Event.on('shim', 'click', function(e) {
var tar = Event.getTarget(e);
var value = tar.value;
if (value == 'off' || value == 'Shim Off') {
//Turn on the shim
dd.useShim = true;
tar.value = 'on';
tar.innerHTML = 'Shim On';
Dom.get('debugShim').disabled = false;
} else {
//Turn off the shim
dd.useShim = false;
tar.value = 'off';
tar.innerHTML = 'Shim Off';
Dom.get('debugShim').disabled = true;
}
});
Event.on('debugShim', 'click', function(e) {
var tar = Event.getTarget(e);
var value = tar.value;
if (value == 'off' || value == 'Debug Off') {
//Turn on debugging the shim
YAHOO.util.DDM._debugShim = true;
tar.value = 'on';
tar.innerHTML = 'Debug On';
} else {
//Turn off debugging the shim
YAHOO.util.DDM._debugShim = false;
tar.value = 'off';
tar.innerHTML = 'Debug Off';
}
});
});
})();
</textarea>
<h2>Configuration for This Example</h2>
<p>You can load the necessary JavaScript and CSS for this example from Yahoo's servers. <a href="http://developer.yahoo.com/yui/articles/hosting/?dragdrop&MIN#configure">Click here to load the YUI Dependency Configurator with all of this example's dependencies preconfigured</a>.</p>
</div>
<div class="yui-u">
<div id="loggerModule" class="yui-skin-sam">
<h3 class="firstContent">YUI Logger Output:</h3>
<div id="loggerDiv"></div>
<div id="loggerGloss">
<p><strong>Note:</strong> You are viewing this example in debug mode with logging enabled. This can significantly slow performance.</p>
<p class="loggerButton"><span id="loggerLink"><span class="first-child"><a href="dd-shim.html">Reload with logging<br />and debugging disabled.</a></span></span></p>
</div>
</div>
<div id="examples">
<h3>Drag & Drop Examples:</h3>
<div id="exampleToc">
<ul>
<li><a href='../dragdrop/dd-basic.html'>Basic Drag and Drop</a></li><li><a href='../dragdrop/dd-handles.html'>Using Handles</a></li><li><a href='../dragdrop/dd-ontop.html'>Dragged Element on Top</a></li><li><a href='../dragdrop/dd-proxy.html'>Using a Proxy Element</a></li><li><a href='../dragdrop/dd-reorder.html'>Reordering a List</a></li><li><a href='../dragdrop/dd-groups.html'>Using Interaction Groups</a></li><li><a href='../dragdrop/dd-circle.html'>Custom Click Validator</a></li><li><a href='../dragdrop/dd-region.html'>Staying in a Region</a></li><li class='selected'><a href='../dragdrop/dd-shim.html'>Using the Drag Shim</a></li><li><a href='../datatable/dt_ddrows.html'>Reorder Rows with Drag and Drop (included with examples for DataTable Control)</a></li> </ul>
</div>
</div>
<div id="module">
<h3>More Drag & Drop Resources:</h3>
<ul>
<li><a href="http://developer.yahoo.com/yui/dragdrop/">User's Guide</a> (external)</li>
<li><a href="../../docs/module_dragdrop.html">API Documentation</a></li>
<li><a href="http://yuiblog.com/assets/pdf/cheatsheets/dragdrop.pdf">Cheat Sheet PDF</a> (external)</li></ul>
</div>
</div>
</div>
</div>
</div>
<div class="yui-b" id="tocWrapper">
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