/**
 * @version		$Id$
 * @author		Nguyen Dinh Luan
 * @package		Joomla!
 * @subpackage	Mod_DropDown_MooMenu
 * @copyright	Copyright (C) 2008 - 2011 by Joomseller Solutions. All rights reserved.
 * @license		http://www.gnu.org/licenses/gpl.html GNU/GPL version 3
 */

if (typeof(MooTools) != 'undefined') {
	var subnav = new Array();
	Element.implement(
	{
		hide: function(timeout)
		{
			this.status = 'hide';
			clearTimeout (this.timeout);
			if (timeout)
			{
				this.timeout = setTimeout (this.anim.bind(this), timeout);
			} else {
				this.anim();
			}
		},

		show: function(timeout)
		{
			this.status = 'show';
			clearTimeout (this.timeout);
			if (timeout)
			{
				this.timeout = setTimeout(this.anim.bind(this), timeout);
			} else {
				this.anim();
			}
		},

		setActive: function() {
			//this.addClass('sfhover');
			this.className+='sfhover';
		},

		setDeactive: function() {
			//this.removeClass('sfhover');
			this.className=this.className.replace(new RegExp('sfhover\\b'), '');
		},

		anim: function() {
			if ((this.status == 'hide' && this.style.left != 'auto') || (this.status == 'show' && this.style.left == 'auto' && !this.hidding)) return;
			this.setStyle('overflow', 'hidden');
			if (this.status == 'show') {
				this.hidding = 0;
				this.hideAll();
			}

			if (this.status == 'hide')
			{
				this.hidding = 1;
				this.myFx2.cancel();
				if (this.parent._id) this.myFx2.start('width', this.offsetWidth, 0);
				else this.myFx2.start('height', this.offsetHeight, 0);
			} else {
				this.setStyle('left', 'auto');
				this.myFx2.cancel();
				if (this.parent._id) this.myFx2.start('width', 0, this.mw);
				else this.myFx2.start('height', 0, this.mh);
			}
		},

		init: function() {
			this.mw = this.clientWidth;
			this.mh = this.clientHeight;
			if (this.parent._id) {
				this.myFx2 = new Fx.Tween(this, {
							  duration: 300,
							  link: 'cancel'
							  });
		this.myFx2.set('width',0);
			}else {
				this.myFx2 = new Fx.Tween(this, {
							 duration: 300,
							 link: 'cancel'
							 });
			 this.myFx2.set('height',0);
			}
			this.setStyle('left', '-999em');
			animComp = function() {
				if (this.status == 'hide') {
					this.setStyle('left', '-999em');
					this.hidding = 0;
				}
				this.setStyle('overflow', '');
			}
			this.myFx2.addEvent('onComplete', animComp.bind(this));
		},

		hideAll: function() {
			for (var i = 0; i < subnav.length; i++) {
				if (!this.isChild(subnav[i])) {
					subnav[i].hide(0);
				}
			}
		},

		isChild: function(_obj) {
			obj = this;
			while (obj.parent) {
				if (obj._id == _obj._id) {
					return true;
				}
				obj = obj.parent;
			}
			return false;
		}


	});


	var DropdownMenu = new Class({
		initialize: function(element) {
			$A($(element).childNodes).each(function(el) {
				if (el.nodeName.toLowerCase() == 'li') {
					$A($(el).childNodes).each(function(el2) {
						if (el2.nodeName.toLowerCase() == 'ul') {
							$(el2)._id = subnav.length + 1;
							$(el2).parent = $(element);
							subnav.push($(el2));
							el2.init();
							el.addEvent('mouseenter', function() {
								el.setActive();
								el2.show(0);
								return false;
							});

							el.addEvent('mouseleave', function() {
								el.setDeactive();
								el2.hide(20);
							});
							new DropdownMenu(el2);
							el.hasSub = 1;
						}
					});
					if (!el.hasSub) {
						el.addEvent('mouseenter', function() {
							el.setActive();
							return false;
						});

						el.addEvent('mouseleave', function() {
							el.setDeactive();
						});
					}
				}
			});
			return this;
		}
	});

	window.addEvent('domready', function() {
		new DropdownMenu($('oj-moomenu'))
	});

} else {

	sfHover = function() {
		var sfEls = document.getElementById('oj-moomenu').getElementsByTagName('li');
		for (var i = 0; i < sfEls.length; ++i) {
			sfEls[i].onmouseover = function() {
				this.className += 'sfhover';
			}
			sfEls[i].onmouseout = function() {
				this.className = this.className.replace(new RegExp("sfhover\\b"), '');
			}
		}
	}
	if (window.attachEvent) window.attachEvent('onload', sfHover);
}