js/ui/jquery.effects.pulsate.js

   1 /*
   2  * jQuery UI Effects Pulsate 1.8.10
   3  *
   4  * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)
   5  * Dual licensed under the MIT or GPL Version 2 licenses.
   6  * http://jquery.org/license
   7  *
   8  * http://docs.jquery.com/UI/Effects/Pulsate
   9  *
  10  * Depends:
  11  *      jquery.effects.core.js
  12  */
  13 (function( $, undefined ) {
  14
  15 $.effects.pulsate = function(o) {
  16         return this.queue(function() {
  17                 var elem = $(this),
  18                         mode = $.effects.setMode(elem, o.options.mode || 'show');
  19                         times = ((o.options.times || 5) * 2) - 1;
  20                         duration = o.duration ? o.duration / 2 : $.fx.speeds._default / 2,
  21                         isVisible = elem.is(':visible'),
  22                         animateTo = 0;
  23
  24                 if (!isVisible) {
  25                         elem.css('opacity', 0).show();
  26                         animateTo = 1;
  27                 }
  28
  29                 if ((mode == 'hide' && isVisible) || (mode == 'show' && !isVisible)) {
  30                         times--;
  31                 }
  32
  33                 for (var i = 0; i < times; i++) {
  34                         elem.animate({ opacity: animateTo }, duration, o.options.easing);
  35                         animateTo = (animateTo + 1) % 2;
  36                 }
  37
  38                 elem.animate({ opacity: animateTo }, duration, o.options.easing, function() {
  39                         if (animateTo == 0) {
  40                                 elem.hide();
  41                         }
  42                         (o.callback && o.callback.apply(this, arguments));
  43                 });
  44
  45                 elem
  46                         .queue('fx', function() { elem.dequeue(); })
  47                         .dequeue();
  48         });
  49 };
  50
  51 })(jQuery);