/*
 * jQuery UI Effects Blind
 *
 * Copyright (c) 2008 Aaron Eisenberger (aaronchi@gmail.com)
 * Dual licensed under the MIT (MIT-LICENSE.txt)
 * and GPL (GPL-LICENSE.txt) licenses.
 * 
 * http://docs.jquery.com/UI/Effects/Blind
 *
 * Depends:
 * effects.core.js
 */
(function($) {
$.effects.blind = function(o) {
 return this.queue(function() {
  // Create element
  var el = $(this), props = ['position','top','left'];
  
  // Set options
  var mode = $.effects.setMode(el, o.options.mode || 'hide'); // Set Mode
  var direction = o.options.direction || 'vertical'; // Default direction
  
  // Adjust
  $.effects.save(el, props); el.show(); // Save & Show
  var wrapper = $.effects.createWrapper(el).css({overflow:'hidden'}); // Create Wrapper
  var ref = (direction == 'vertical') ? 'height' : 'width';
  var distance = (direction == 'vertical') ? wrapper.height() : wrapper.width();
  if(mode == 'show') wrapper.css(ref, 0); // Shift
  
  // Animation
  var animation = {};
  animation[ref] = mode == 'show' ? distance : 0;
  
  // Animate
  wrapper.animate(animation, o.duration, o.options.easing, function() {
   if(mode == 'hide') el.hide(); // Hide
   $.effects.restore(el, props); $.effects.removeWrapper(el); // Restore
   if(o.callback) o.callback.apply(el[0], arguments); // Callback
   el.dequeue();
  });
  
 });
 
};
})(jQuery);