/*

 * jQuery UI Effects Blind @VERSION

 *

 * 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);