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<!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-1.4.2.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> |
<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 class="demo"> |
|
<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><!-- End demo --> |
|
|
|
<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><!-- End demo-description --> |
|
</body> |
</html> |