Source

RCircos / jquery-ui-1.10.3.custom / development-bundle / demos / draggable / events.html

<!doctype html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>jQuery UI Draggable - Events</title>
	<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
	<script src="../../jquery-1.9.1.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>
	<link rel="stylesheet" href="../demos.css">
	<style>
	#draggable { width: 16em; padding: 0 1em; }
	#draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
	#draggable ul li span.ui-icon { float: left; }
	#draggable ul li span.count { font-weight: bold; }
	</style>
	<script>
	$(function() {
		var $start_counter = $( "#event-start" ),
			$drag_counter = $( "#event-drag" ),
			$stop_counter = $( "#event-stop" ),
			counts = [ 0, 0, 0 ];

		$( "#draggable" ).draggable({
			start: function() {
				counts[ 0 ]++;
				updateCounterStatus( $start_counter, counts[ 0 ] );
			},
			drag: function() {
				counts[ 1 ]++;
				updateCounterStatus( $drag_counter, counts[ 1 ] );
			},
			stop: function() {
				counts[ 2 ]++;
				updateCounterStatus( $stop_counter, counts[ 2 ] );
			}
		});

		function updateCounterStatus( $event_counter, new_count ) {
			// first update the status visually...
			if ( !$event_counter.hasClass( "ui-state-hover" ) ) {
				$event_counter.addClass( "ui-state-hover" )
					.siblings().removeClass( "ui-state-hover" );
			}
			// ...then update the numbers
			$( "span.count", $event_counter ).text( new_count );
		}
	});
	</script>
</head>
<body>

<div id="draggable" class="ui-widget ui-widget-content">

	<p>Drag me to trigger the chain of events.</p>

	<ul class="ui-helper-reset">
		<li id="event-start" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-play"></span>"start" invoked <span class="count">0</span>x</li>
		<li id="event-drag" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-arrow-4"></span>"drag" invoked <span class="count">0</span>x</li>
		<li id="event-stop" class="ui-state-default ui-corner-all"><span class="ui-icon ui-icon-stop"></span>"stop" invoked <span class="count">0</span>x</li>
	</ul>
</div>

<div class="demo-description">
<p>Layer functionality onto the draggable using the <code>start</code>, <code>drag</code>, and <code>stop</code> events.  Start is fired at the start of the drag; drag during the drag; and stop when dragging stops.</p>
</div>
</body>
</html>