| 1 | <!doctype html>
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| 2 | <html lang="en">
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| 3 | <head>
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| 4 | <title>jQuery UI Draggable - Events</title>
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| 5 | <link type="text/css" href="../../themes/base/ui.all.css" rel="stylesheet" />
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| 6 | <script type="text/javascript" src="../../jquery-1.4.1.js"></script>
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| 7 | <script type="text/javascript" src="../../ui/jquery.ui.core.js"></script>
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| 8 | <script type="text/javascript" src="../../ui/jquery.ui.widget.js"></script>
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| 9 | <script type="text/javascript" src="../../ui/jquery.ui.mouse.js"></script>
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| 10 | <script type="text/javascript" src="../../ui/jquery.ui.draggable.js"></script>
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| 11 | <link type="text/css" href="../demos.css" rel="stylesheet" />
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| 12 | <style type="text/css">
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| 13 | #draggable { width: 16em; padding: 0 1em; }
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| 14 | #draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
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| 15 | #draggable ul li span.ui-icon { float: left; }
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| 16 | #draggable ul li span.count { font-weight: bold; }
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| 17 | </style>
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| 18 | <script type="text/javascript">
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| 19 | $(function() {
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| 20 | var $start_counter = $('#event-start'), $drag_counter = $('#event-drag'), $stop_counter = $('#event-stop');
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| 21 | var counts = [0,0,0];
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| 22 |
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| 23 | $("#draggable").draggable({
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| 24 | start: function() {
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| 25 | counts[0]++;
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| 26 | updateCounterStatus($start_counter,counts[0]);
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| 27 | },
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| 28 | drag: function() {
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| 29 | counts[1]++;
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| 30 | updateCounterStatus($drag_counter,counts[1]);
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| 31 | },
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| 32 | stop: function() {
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| 33 | counts[2]++;
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| 34 | updateCounterStatus($stop_counter,counts[2]);
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| 35 | }
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| 36 | });
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| 37 | });
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| 38 |
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| 39 | function updateCounterStatus($event_counter,new_count) {
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| 40 | // first update the status visually...
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| 41 | if (!$event_counter.hasClass('ui-state-hover')) {
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| 42 | $event_counter.addClass('ui-state-hover')
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| 43 | .siblings().removeClass('ui-state-hover');
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| 44 | }
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| 45 | // ...then update the numbers
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| 46 | $('span.count',$event_counter).text(new_count);
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| 47 | }
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| 48 | </script>
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| 49 | </head>
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| 50 | <body>
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| 51 |
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| 52 | <div class="demo">
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| 53 |
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| 54 | <div id="draggable" class="ui-widget ui-widget-content">
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| 55 |
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| 56 | <p>Drag me to trigger the chain of events.</p>
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| 57 |
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| 58 | <ul class="ui-helper-reset">
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| 59 | <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>
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| 60 | <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>
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| 61 | <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>
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| 62 | </ul>
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| 63 | </div>
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| 64 |
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| 65 | </div><!-- End demo -->
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| 66 |
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| 67 | <div class="demo-description">
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| 68 |
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| 69 | <p>
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| 70 | 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.
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| 71 | </p>
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| 72 |
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| 73 | </div><!-- End demo-description -->
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| 74 |
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| 75 | </body>
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| 76 | </html>
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