/* 
 * 	Easy Slider 1.5 - jQuery plugin
 *	written by Alen Grakalic	
 *	http://cssglobe.com/post/4004/easy-slider-15-the-easiest-jquery-plugin-for-sliding
 *
 *	Copyright (c) 2009 Alen Grakalic (http://cssglobe.com)
 *	Dual licensed under the MIT (MIT-LICENSE.txt)
 *	and GPL (GPL-LICENSE.txt) licenses.
 *
 *	Built for jQuery library
 *	http://jquery.com
 * ts=last, p=position
 */
 
/*
 *	markup example for $("#slider").easySlider();
 *	
 * 	<div id="slider">
 *		<ul>
 *			<li><img src="images/01.jpg" alt="" /></li>
 *			<li><img src="images/02.jpg" alt="" /></li>
 *			<li><img src="images/03.jpg" alt="" /></li>
 *			<li><img src="images/04.jpg" alt="" /></li>
 *			<li><img src="images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *  t= postion
 *	ts= total
 * s = something
 */

(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {			
			prevShow:			true,
			prevId: 			'prevBtn',
			prevText: 			'Previous',
			nextShow:			true,
			nextId: 			'nextBtn',	
			nextText: 			'Next',
			controlsShow:		true,
			controlsShowAll: 	false, 
			controlsBefore:		'',
			controlsAfter:		'',	
			controlsFade:		true,
			firstId: 			'firstBtn',
			firstText: 			'First',
			firstShow:			false,
			lastId: 			'lastBtn',	
			lastText: 			'Last',
			lastShow:			false,				
			vertical:			false,
			speed: 				800,
			auto:				false,
			pause:				2000,
			continuous:			false,
			paginationShow:		false,
			paginationId:		'',
			paginationClass:	'pagLi',
			slideHeight:		false,
			slideContainer:		'slide-container',
			iefix:				false
		}; 
		
		var options = $.extend(defaults, options);  
		var img_id=0;	
		var stopAuto=false;
		this.each(function() {  
			var obj = $(this); 				
			var s = $("li", obj).length;
			var w = $("li", obj).width(); 
			var h = $("li", obj).height();
			if(options.slideHeight) h = options.slideHeight;
			/*$("li img", obj).load(function () {
				console.log("loading img for container %o. Size = %o",obj.attr('id'),h);
				h = $("li img", obj).height();
				});*/
				
			obj.width(w); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1; 
			var t = 0;
			var pagCount=0;
			$("ul", obj).css('width',s*w);		
			$("li", obj).each(function(index) {
				$(this).attr('index',index);
				});
			if(!options.vertical) $("li", obj).css('float','left');
			
			if(options.controlsShow){
				var html = options.controlsBefore;
				if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
				if(options.prevShow){
					if(ts>0) html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
					}
				if(options.nextShow){
					if(ts>0) html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></span>';
					}
				if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></span>';
				//var paginationEvents=[];
				if(options.paginationShow) {
					html+='<ul id="'+options.paginationId+'" class="pagination">';
					for(i=t;i<=ts;i++){
						html+='<li class="'+options.paginationClass+'" id="'+options.paginationId+i+'">';
						//addClick(options.paginationId+i,i);
						//paginationEvents[i]=options.paginationId+i;
						pagCount= i;
						}
					html+='</ul><!--'+options.paginationId+'-->';

					}
				html += options.controlsAfter;	
				$(obj).after(html);
				for(i=t;i<=ts;i++){
					addClick(options.paginationId+i,i);
					}
			};
	
			$("a","#"+options.nextId).click(function(){		
				animate("next",true);
			});
			$("a","#"+options.prevId).click(function(){		
				animate("prev",true);				
			});	
			$("a","#"+options.firstId).click(function(){		
				animate("first",true);
			});				
			$("a","#"+options.lastId).click(function(){		
				animate("last",true);				
			});		
			
			function addClick(id, position){
				$("#" + id).click(function(){
					animate(position,true);
					});
				}//f
				
			function animate(dir,clicked){
				var ot = t;	
				/*reset display */
				if(options.iefix){
				$("#"+options.slideContainer+" > ul > li").css("visibility", "hidden");
					}
			
				/*reset paginator */
				if(options.paginationId){
					/*reset based on all lis in the specified class*/
					$('li[id*="'+options.paginationId+'"]').each(function(index) { 
						$(this).removeClass("current");
							});
					}
					
				
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;	
						if(options.iefix){
							$('li[index="'+t+'"]').css("visibility", "visible");
								}
						if(options.paginationId){/*change boxy*/
							/*add current to matching li element key*/
							temp='#'+options.paginationId+' #'+options.paginationId+t;
							$(temp).addClass("current");
							}
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						if(options.iefix){
							$('li[index="'+t+'"]').css("visibility", "visible");
							}
						if(options.paginationId){/*change boxy*/
							/*add current to matching li element key*/
							temp='#'+options.paginationId+' #'+options.paginationId+t;
							$(temp).addClass("current");
							}
						break; 
					case "first":
						t = 0;
						if(options.iefix){
							$('li[index="'+t+'"]').css("visibility", "visible");
							}
						if(options.paginationId){/*change boxy*/
							/*add current to matching li element key*/
							temp='#'+options.paginationId+' #'+options.paginationId+t;
							$(temp).addClass("current");
							}
						break; 
					case "last":
						t = ts;
						if(options.iefix){
							$('li[index="'+t+'"]').css("visibility", "visible");
							}
						if(options.paginationId){/*change boxy*/
							/*add current to matching li element key*/
							temp='#'+options.paginationId+' #'+options.paginationId+t;
							$(temp).addClass("current");
							}
						break; 
					default:
						break; 
				};	
				/* pag-button switch if postion passed from addClick **************cja 7-11-11 ******/
				if(typeof(dir)=='number') {
					t = dir;
					if(options.iefix){
						$('li[index="'+t+'"]').css("visibility", "visible");
						}
					if(options.paginationId){/*change boxy*/
						/*add current to matching li element key*/
						temp='#'+options.paginationId+' #'+options.paginationId+t;
						$(temp).addClass("current");
						}					
					}
					
				var diff = Math.abs(ot-t);
				var speed = diff*options.speed;	
				if(!options.vertical) {
					p = (t*w*-1);/* p = position  */
					$("ul",obj).animate(
						{ marginLeft: p }, 
						speed
					);				
				} else {
					p = (t*h*-1);
					$("ul",obj).animate(
						{ marginTop: p }, 
						speed
					);					
				};

				if(!options.continuous && options.controlsFade){					
					if(t==ts){/* changed to accommodate show all*/
						if(!options.controlsShowAll){
							$("a","#"+options.nextId).hide();
							$("a","#"+options.lastId).hide();
							}
						else{
							$("a","#"+options.nextId).css({"background-position":"0 0", "cursor":"default"});
							}
					} else {
						$("a","#"+options.nextId).show();
						$("a","#"+options.lastId).show();
						$("a","#"+options.nextId).css({"background-position":"", "cursor":""});
					};
					if(t==0){/* changed to accommodate show all*/
						if(!options.controlsShowAll){
							$("a","#"+options.prevId).hide();
							$("a","#"+options.firstId).hide();
							}
						else{
							$("a","#"+options.prevId).css({"background-position":"0 0", "cursor":"default"});
							}
					} else {
						$("a","#"+options.prevId).show();
						$("a","#"+options.firstId).show();
						$("a","#"+options.prevId).css({"background-position":"", "cursor":""});
					};					
				};				
				
				if(clicked) clearTimeout(timeout);
				if(options.auto && dir=="next" && !clicked ){;
					timeout = setTimeout(function(){
						animate("next",false);
					},diff*options.speed+options.pause);
				};
				
			};
			// init
			var timeout;
			/*set first pagination box if option*/
			if(options.iefix){
				$("#"+options.slideContainer+" > ul > li").css("visibility", "hidden");
				$('li[index="'+t+'"]').css("visibility", "visible");
				}
			if(options.paginationId){
				temp='#'+options.paginationId+' #'+options.paginationId+'0';
				$(temp).addClass("current");
				}
			if(options.auto ){;
				timeout = setTimeout(function(){
					animate("next",false);
				},options.pause);
			};		
		
			if(!options.continuous && options.controlsFade){	
				if(!options.controlsShowAll){
					$("a","#"+options.prevId).hide();
					$("a","#"+options.firstId).hide();
					}
				else{
					$("a","#"+options.prevId).css({"background-position":"0 0", "cursor":"default"});
					}
			};				
			
		});
	  
	};

})(jQuery);