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<!doctype html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>jQuery UI Droppable - Prevent propagation</title>
	<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
	<script src="../../jquery-1.10.2.js"></script>
	<script src="../../ui/jquery.ui.core.js"></script>
	<script src="../../ui/jquery.ui.widget.js"></script>
	<script src="../../ui/jquery.ui.mouse.js"></script>
	<script src="../../ui/jquery.ui.draggable.js"></script>
	<script src="../../ui/jquery.ui.droppable.js"></script>
	<link rel="stylesheet" href="../demos.css">
	<style>
	#draggable { width: 100px; height: 40px; padding: 0.5em; float: left; margin: 10px 10px 10px 0; }
	#droppable, #droppable2 { width: 230px; height: 120px; padding: 0.5em; float: left; margin: 10px; }
	#droppable-inner, #droppable2-inner { width: 170px; height: 60px; padding: 0.5em; float: left; margin: 10px; }
	</style>
	<script>
	$(function() {
		$( "#draggable" ).draggable();

		$( "#droppable, #droppable-inner" ).droppable({
			activeClass: "ui-state-hover",
			hoverClass: "ui-state-active",
			drop: function( event, ui ) {
				$( this )
					.addClass( "ui-state-highlight" )
					.find( "> p" )
						.html( "Dropped!" );
				return false;
			}
		});

		$( "#droppable2, #droppable2-inner" ).droppable({
			greedy: true,
			activeClass: "ui-state-hover",
			hoverClass: "ui-state-active",
			drop: function( event, ui ) {
				$( this )
					.addClass( "ui-state-highlight" )
					.find( "> p" )
						.html( "Dropped!" );
			}
		});
	});
	</script>
</head>
<body>

<div id="draggable" class="ui-widget-content">
	<p>Drag me to my target</p>
</div>

<div id="droppable" class="ui-widget-header">
	<p>Outer droppable</p>
	<div id="droppable-inner" class="ui-widget-header">
		<p>Inner droppable (not greedy)</p>
	</div>
</div>

<div id="droppable2" class="ui-widget-header">
	<p>Outer droppable</p>
	<div id="droppable2-inner" class="ui-widget-header">
		<p>Inner droppable (greedy)</p>
	</div>
</div>

<div class="demo-description">
<p>When working with nested droppables &#8212; for example, you may have an editable directory structure displayed as a tree, with folder and document nodes &#8212; the <code>greedy</code> option set to true prevents event propagation when a draggable is dropped on a child node (droppable).</p>
</div>
</body>
</html>
cirandas.net
