/*
 * Droppy 0.1.2
 * (c) 2008 Jason Frame (jason@onehackoranother.com)
 */
(function($){

$.fn.droppy = function(options){

	options = $.extend({speed: 10, className: 'droppy'}, options || {});

	this.each(function() {

		var root = this, zIndex = 100;

		$(root).addClass(options.className);
		$(root).find('li:has(> ul) > a').addClass('has-subnav');

		function getSubnav(ele){
			if(ele.nodeName.toLowerCase() == 'li'){
				var subnav = $('> ul', ele);
				return subnav.length ? subnav[0] : null;
			}else{
				return ele;
			}
		};

		function getActuator(ele){
			if(ele.nodeName.toLowerCase() == 'ul'){
				return $(ele).parents('li')[0];
			}else{
				return ele;
			}
		};

		function hide() {
			var subnav = getSubnav(this);
			if (!subnav) return;

			$.data(subnav, 'cancelHide', false);
			setTimeout(function(){
				if (!$.data(subnav, 'cancelHide')){
					$(subnav).slideUp(options.speed);
				}
			}, 300);
		};

		function show(){
			var subnav = getSubnav(this);
			if (!subnav) return;
			$.data(subnav, 'cancelHide', true);
			$(subnav).css({zIndex: zIndex++}).slideDown(options.speed);

			if(this.nodeName.toLowerCase() == 'ul'){
				var li = getActuator(this);
				$(li).addClass('hover');
				$('> a', li).addClass('hover');
			}
		};

		if(typeof $.fn.hoverIntent == 'function'){
			$('ul, li', this).hoverIntent($.extend({
				sensitivity: 7, interval: 100, timeout: 1000
			}, options.hoverIntent || {}, {over: show, out: hide}));
		} else {
			$('ul, li', this).hover(show, hide);
		}

		$('li', this).hover(
			function() { $(this).addClass('hover'); $('> a', this).addClass('hover'); },
			function() { $(this).removeClass('hover'); $('> a', this).removeClass('hover'); }
		);

	});
};

})(jQuery);