/*
 * Marquee jQuery Plug-in
 *
 * Copyright 2009 Giva, Inc. (http://www.givainc.com/labs/) 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * 	http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Date: 2009-05-20
 * Rev:  1.0.01
 */
(function(A){
	A.marquee={
		version:"1.0.01"
	};

	A.fn.marquee=function(E){
		var F=typeof arguments[0]=="string"&&arguments[0];
		var D=F&&Array.prototype.slice.call(arguments,1)||arguments;
		var C=(this.length==0)?null:A.data(this[0],"marquee");
		if(C&&F&&this.length){
			if(F.toLowerCase()=="object"){
				return C
				}else{
				if(C[F]){
					var B;
					this.each(function(G){
						var H=A.data(this,"marquee")[F].apply(C,D);
						if(G==0&&H){
							if(!!H.jquery){
								B=A([]).add(H)
								}else{
								B=H;
								return false
								}
							}else{
						if(!!H&&!!H.jquery){
							B=B.add(H)
							}
						}
					});
		return B||this
		}else{
		return this
		}
	}
}else{
	return this.each(function(){
		new A.Marquee(this,E)
		})
	}
};

A.Marquee=function(E,Q){
	Q=A.extend({},A.Marquee.defaults,Q);
	var O=this,M=A(E),F=M.find("> li"),H=-1,G=false,L=false,N=0;
	A.data(M[0],"marquee",O);
	this.pause=function(){
		G=true;
		P()
		};

	this.resume=function(){
		G=false;
		D()
		};

	this.update=function(){
		var R=F.length;
		F=M.find("> li");
		if(R<=1){
			D()
			}
		};

function K(R){
	if(F.filter("."+Q.cssShowing).length>0){
		return false
		}
		var T=F.eq(R);
	if(A.isFunction(Q.beforeshow)){
		Q.beforeshow.apply(O,[M,T])
		}
		var S={
		top:(Q.yScroll=="top"?"-":"+")+T.outerHeight()+"px",
		left:0
	};

	M.data("marquee.showing",true);
	T.addClass(Q.cssShowing);
	T.css(S).animate({
		top:"0px"
	},Q.showSpeed,Q.fxEasingShow,function(){
		if(A.isFunction(Q.show)){
			Q.show.apply(O,[M,T])
			}
			M.data("marquee.showing",false);
		J(T)
		})
	}
	function J(S,R){
	if(L==true){
		return false
		}
		R=R||Q.pauseSpeed;
	if(C(S)){
		setTimeout(function(){
			if(L==true){
				return false
				}
				var V=S.outerWidth(),T=V*-1,U=parseInt(S.css("left"),10);
			S.animate({
				left:T+"px"
				},((V+U)*Q.scrollSpeed),Q.fxEasingScroll,function(){
				I(S)
				})
			},R)
		}else{
		if(F.length>1){
			setTimeout(function(){
				if(L==true){
					return false
					}
					S.animate({
					top:(Q.yScroll=="top"?"+":"-")+M.innerHeight()+"px"
					},Q.showSpeed,Q.fxEasingScroll);
				I(S)
				},R)
			}
		}
}
function I(R){
	if(A.isFunction(Q.aftershow)){
		Q.aftershow.apply(O,[M,R])
		}
		R.removeClass(Q.cssShowing);
	B()
	}
	function P(){
	L=true;
	if(M.data("marquee.showing")!=true){
		F.filter("."+Q.cssShowing).dequeue().stop()
		}
	}
function D(){
	L=false;
	if(M.data("marquee.showing")!=true){
		J(F.filter("."+Q.cssShowing),1)
		}
	}
if(Q.pauseOnHover){
	M.hover(function(){
		if(G){
			return false
			}
			P()
		},function(){
		if(G){
			return false
			}
			D()
		})
	}
	function C(R){
	return(R.outerWidth()>M.innerWidth())
	}
	function B(){
	H++;
	if(H>=F.length){
		if(!isNaN(Q.loop)&&Q.loop>0&&(++N>=Q.loop)){
			return false
			}
			H=0
		}
		K(H)
	}
	if(A.isFunction(Q.init)){
	Q.init.apply(O,[M,Q])
	}
	B()
};

A.Marquee.defaults={
	yScroll:"top",
	showSpeed:850,
	scrollSpeed:12,
	pauseSpeed:5000,
	pauseOnHover:true,
	loop:-1,
	fxEasingShow:"swing",
	fxEasingScroll:"linear",
	cssShowing:"marquee-showing",
	init:null,
	beforeshow:null,
	show:null,
	aftershow:null
}
})(jQuery);