resources/jquery.effects/jquery.effects.drop.js

   1 /*!
   2  * jQuery UI Effects Drop 1.8.24
   3  *
   4  * Copyright 2012, 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/Drop
   9  *
  10  * Depends:
  11  *      jquery.effects.core.js
  12  */
  13 (function( $, undefined ) {
  14
  15 $.effects.drop = function(o) {
  16
  17         return this.queue(function() {
  18
  19                 // Create element
  20                 var el = $(this), props = ['position','top','bottom','left','right','opacity'];
  21
  22                 // Set options
  23                 var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
  24                 var direction = o.options.direction || 'left'; // Default Direction
  25
  26                 // Adjust
  27                 $.effects.save(el, props); el.show(); // Save & Show
  28                 $.effects.createWrapper(el); // Create Wrapper
  29                 var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
  30                 var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
  31                 var distance = o.options.distance || (ref == 'top' ? el.outerHeight( true ) / 2 : el.outerWidth( true ) / 2);
  32                 if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
  33
  34                 // Animation
  35                 var animation = {opacity: mode == 'show' ? 1 : 0};
  36                 animation[ref] = (mode == 'show' ? (motion == 'pos' ? '+=' : '-=') : (motion == 'pos' ? '-=' : '+=')) + distance;
  37
  38                 // Animate
  39                 el.animate(animation, { queue: false, duration: o.duration, easing: o.options.easing, complete: function() {
  40                         if(mode == 'hide') el.hide(); // Hide
  41                         $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
  42                         if(o.callback) o.callback.apply(this, arguments); // Callback
  43                         el.dequeue();
  44                 }});
  45
  46         });
  47
  48 };
  49
  50 })(jQuery);