| 1 | <!DOCTYPE html>
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| 2 | <html lang="en">
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| 3 | <head>
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| 4 | <meta charset="utf-8">
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| 5 | <title>jQuery UI Draggable - Events</title>
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| 6 | <link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
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| 7 | <script src="../../jquery-1.6.2.js"></script>
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| 8 | <script src="../../ui/jquery.ui.core.js"></script>
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| 9 | <script src="../../ui/jquery.ui.widget.js"></script>
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| 10 | <script src="../../ui/jquery.ui.mouse.js"></script>
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| 11 | <script src="../../ui/jquery.ui.draggable.js"></script>
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| 12 | <link rel="stylesheet" href="../demos.css">
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| 13 | <style>
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| 14 | #draggable { width: 16em; padding: 0 1em; }
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| 15 | #draggable ul li { margin: 1em 0; padding: 0.5em 0; } * html #draggable ul li { height: 1%; }
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| 16 | #draggable ul li span.ui-icon { float: left; }
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| 17 | #draggable ul li span.count { font-weight: bold; }
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| 18 | </style>
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| 19 | <script>
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| 20 | $(function() {
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| 21 | var $start_counter = $( "#event-start" ),
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| 22 | $drag_counter = $( "#event-drag" ),
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| 23 | $stop_counter = $( "#event-stop" ),
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| 24 | counts = [ 0, 0, 0 ];
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| 25 |
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| 26 | $( "#draggable" ).draggable({
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| 27 | start: function() {
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| 28 | counts[ 0 ]++;
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| 29 | updateCounterStatus( $start_counter, counts[ 0 ] );
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| 30 | },
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| 31 | drag: function() {
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| 32 | counts[ 1 ]++;
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| 33 | updateCounterStatus( $drag_counter, counts[ 1 ] );
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| 34 | },
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| 35 | stop: function() {
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| 36 | counts[ 2 ]++;
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| 37 | updateCounterStatus( $stop_counter, counts[ 2 ] );
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| 38 | }
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| 39 | });
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| 40 |
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| 41 | function updateCounterStatus( $event_counter, new_count ) {
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| 42 | // first update the status visually...
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| 43 | if ( !$event_counter.hasClass( "ui-state-hover" ) ) {
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| 44 | $event_counter.addClass( "ui-state-hover" )
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| 45 | .siblings().removeClass( "ui-state-hover" );
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| 46 | }
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| 47 | // ...then update the numbers
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| 48 | $( "span.count", $event_counter ).text( new_count );
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| 49 | }
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| 50 | });
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| 51 | </script>
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| 52 | </head>
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| 53 | <body>
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| 54 |
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| 55 | <div class="demo">
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| 56 |
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| 57 | <div id="draggable" class="ui-widget ui-widget-content">
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| 58 |
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| 59 | <p>Drag me to trigger the chain of events.</p>
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| 60 |
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| 61 | <ul class="ui-helper-reset">
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| 62 | <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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| 63 | <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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| 64 | <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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| 65 | </ul>
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| 66 | </div>
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| 67 |
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| 68 | </div><!-- End demo -->
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| 69 |
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| 70 |
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| 71 |
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| 72 | <div class="demo-description">
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| 73 | <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>
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| 74 | </div><!-- End demo-description -->
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| 75 |
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| 76 | </body>
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| 77 | </html>
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