resources/jquery.effects/jquery.effects.bounce.js

   1 /*!
   2  * jQuery UI Effects Bounce 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/Bounce
   9  *
  10  * Depends:
  11  *      jquery.effects.core.js
  12  */
  13 (function( $, undefined ) {
  14
  15 $.effects.bounce = function(o) {
  16
  17         return this.queue(function() {
  18
  19                 // Create element
  20                 var el = $(this), props = ['position','top','bottom','left','right'];
  21
  22                 // Set options
  23                 var mode = $.effects.setMode(el, o.options.mode || 'effect'); // Set Mode
  24                 var direction = o.options.direction || 'up'; // Default direction
  25                 var distance = o.options.distance || 20; // Default distance
  26                 var times = o.options.times || 5; // Default # of times
  27                 var speed = o.duration || 250; // Default speed per bounce
  28                 if (/show|hide/.test(mode)) props.push('opacity'); // Avoid touching opacity to prevent clearType and PNG issues in IE
  29
  30                 // Adjust
  31                 $.effects.save(el, props); el.show(); // Save & Show
  32                 $.effects.createWrapper(el); // Create Wrapper
  33                 var ref = (direction == 'up' || direction == 'down') ? 'top' : 'left';
  34                 var motion = (direction == 'up' || direction == 'left') ? 'pos' : 'neg';
  35                 var distance = o.options.distance || (ref == 'top' ? el.outerHeight(true) / 3 : el.outerWidth(true) / 3);
  36                 if (mode == 'show') el.css('opacity', 0).css(ref, motion == 'pos' ? -distance : distance); // Shift
  37                 if (mode == 'hide') distance = distance / (times * 2);
  38                 if (mode != 'hide') times--;
  39
  40                 // Animate
  41                 if (mode == 'show') { // Show Bounce
  42                         var animation = {opacity: 1};
  43                         animation[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
  44                         el.animate(animation, speed / 2, o.options.easing);
  45                         distance = distance / 2;
  46                         times--;
  47                 };
  48                 for (var i = 0; i < times; i++) { // Bounces
  49                         var animation1 = {}, animation2 = {};
  50                         animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
  51                         animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
  52                         el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing);
  53                         distance = (mode == 'hide') ? distance * 2 : distance / 2;
  54                 };
  55                 if (mode == 'hide') { // Last Bounce
  56                         var animation = {opacity: 0};
  57                         animation[ref] = (motion == 'pos' ? '-=' : '+=')  + distance;
  58                         el.animate(animation, speed / 2, o.options.easing, function(){
  59                                 el.hide(); // Hide
  60                                 $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
  61                                 if(o.callback) o.callback.apply(this, arguments); // Callback
  62                         });
  63                 } else {
  64                         var animation1 = {}, animation2 = {};
  65                         animation1[ref] = (motion == 'pos' ? '-=' : '+=') + distance;
  66                         animation2[ref] = (motion == 'pos' ? '+=' : '-=') + distance;
  67                         el.animate(animation1, speed / 2, o.options.easing).animate(animation2, speed / 2, o.options.easing, function(){
  68                                 $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
  69                                 if(o.callback) o.callback.apply(this, arguments); // Callback
  70                         });
  71                 };
  72                 el.queue('fx', function() { el.dequeue(); });
  73                 el.dequeue();
  74         });
  75
  76 };
  77
  78 })(jQuery);