// Droplicious v.3.0 Created May 21, 2009
// Copyright @2009 http://headfirstproductions.ca Author: Darren Terhune
// Contributors: Jan Sovak http://canada-jack.com, Mason Meyer http://www.masonmeyer.com
// This software is licensed under the Creative Commons Attribution 2.5 Canada License
// <http://creativecommons.org/licenses/by/2.5/ca//>

var dropliciousMenu = Class.create({

		// Properties
showingUpDuration: 0.3,
hidingDuration: 0.1,
hideDelay: 0,

initialize: function(){

$$("a.drops").invoke('observe', 'mousemove', this.linkMouseOver.bind(this));
$$("a.drops").invoke('observe', 'mouseout', this.linkMouseOut.bind(this));

$$("ul.licious").invoke('observe', 'mousemove', this.submenuMouseOver.bind(this));
$$("ul.licious").invoke('observe', 'mouseout', this.submenuMouseOut.bind(this));

},

// Default Effects
// It's possible to set user's effects handlers
// eg: myDropliciousInstance.showUpEffect = function(){ * user's effect * };
showUpEffect: function(e, effectDuration){
					  if(!e.visible()){
						  new Effect.BlindDown(e, {
duration: effectDuration,
queue: {
position: 'end',
scope: e.identify(),
limit: 2
}
});
}
},

hidingEffect: function(e, effectDuration){
					  new Effect.BlindUp(e, {
duration: effectDuration,
queue: {
position: 'end',
scope: e.identify(),
limit: 2
}
});
},

	// Mouse event handlers
linkMouseOut: function(e){
					  var dropElement = e.element().next();
					  if (dropElement && dropElement.hasClassName('active')){
						  this.setDelayedHide(dropElement);
					  }
				  },

linkMouseOver: function(e){
						var dropElement = e.element().next();
						// Additional check if something wrong with menu structure
						if(!dropElement){
							return;
						}

						if (!dropElement.hasClassName('hidding')){
							dropElement.removeClassName('waitingtohide');
						}

						if (!dropElement.hasClassName('active')){
							dropElement.addClassName('active');
							this.showUpEffect(dropElement, this.showingUpDuration);
						}
					},

submenuMouseOut: function(e){
						  var dropElement = e.findElement("ul");
						  if (dropElement && dropElement.hasClassName('active')){
							  this.setDelayedHide(dropElement);
						  }
					  },

submenuMouseOver: function(e){
							var dropElement = e.findElement("ul");
							if (dropElement && !dropElement.hasClassName('hidding')){
								dropElement.removeClassName('waitingtohide');
							}
						},

						// Delayed methods, needed for smooth subMenu hiding
setDelayedHide: function(e){
						 e.addClassName('waitingtohide')
							 if(!e.hasClassName('hidding')){
								 if (!e.hasClassName('hiddingtimerset')){
									 e.addClassName('hiddingtimerset');
									 (function(obj, e){ obj.delayedHide(e); }).delay(this.hideDelay, this, e);
								 }
							 }
					 },

delayedHide: function(e){
					 e.removeClassName('hiddingtimerset');
					 if (e.hasClassName('waitingtohide')){
						 this.hidingEffect(e, this.hidingDuration);
						 e.addClassName('hidding');
						 //Changed to Prototype's API manner
						 (function(e){
						  e.removeClassName('waitingtohide');
						  e.removeClassName('hidding');
						  e.removeClassName('active');
						  }).delay(this.hidingDuration, e);

					 }
				 }

});

document.observe('dom:loaded', function() { new dropliciousMenu(); })