/*
 * 	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
 *
 */
 
/*
 *	markup example for $("#slider").easySlider();
 *	
 * 	<div id="slider">
 *		<ul>
 *			<li><img src="/wp-content/themes/BGC_1.2/images/01.jpg" alt="" /></li>
 *			<li><img src="/wp-content/themes/BGC_1.2/images/02.jpg" alt="" /></li>
 *			<li><img src="/wp-content/themes/BGC_1.2/images/03.jpg" alt="" /></li>
 *			<li><img src="/wp-content/themes/BGC_1.2/images/04.jpg" alt="" /></li>
 *			<li><img src="/wp-content/themes/BGC_1.2/images/05.jpg" alt="" /></li>
 *		</ul>
 *	</div>
 *
 */

(function($) {

	$.fn.easySlider = function(options){
	  
		// default configuration properties
		var defaults = {			
			prevId: 		'prevBtn',
			prevText: 		'Previous',
			nextId: 		'nextBtn',	
			nextText: 		'Next',
			controlsShow:	true,
			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,
			seeArrows:		false,
			numbersShow:	true
			
		}; 
		
		var options = $.extend(defaults, options);  
				
		this.each(function() {  
			var obj = $(this); 				
			var s = $("li", obj).length;
			var w = $("li", obj).width(); 
			var h = $("li", obj).height(); 
			obj.width(w); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1;
			var t = 0;
			$("ul", obj).css('width',s*w);			
			if(!options.vertical) $("li", obj).css('float','left');
						
			if(options.controlsShow){
				var html = options.controlsBefore;
				html += '<div class="bottom_navigation">';
				if(options.seeArrows) {
					
					if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/first.png\"/></a></span>';
					if(options.firstShow) html += '<span id="'+ options.firstId +'-disabled"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/first-disabled.png\"/></a></span>';
				
    //    html += ' <span id="sd'+ options.prevId +'"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/prev.png\"/></a></span>';
      //  html += ' <span id="sd'+ options.prevId +'-disabled"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/prev-disabled.png\"/></a></span>';
        		}
        		
        		if(options.numbersShow){
					for (i=0; i <= ts; i++) {
					  html += ' <span id="'+ i +'" class="numbers"><a href=\"javascript:void(0);\">'+ (i+1) +'</a></span>';
					}
				}
				
				if(options.seeArrows) {
					html += ' <span id="'+ options.nextId +'"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/next.png\"/></a></span>';
					html += ' <span id="'+ options.nextId +'-disabled"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/next-disabled.png\"/></a></span>';
				
			//	if(options.lastShow)  html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/last.png\"/></a></span>';
			//	if(options.lastShow) html += ' <span id="'+ options.lastId +'-disabled"><a href=\"javascript:void(0);\"><img src=\"/wp-content/themes/BGC_1.2/images/last-disabled.png\"/></a></span>';
				}

				html += '</div>';

				html += options.controlsAfter; 
								
				$(obj).after(html);										
			};
	
			$("a","#"+options.nextId, obj).click(function(){		
				animate("next",true, obj);
			});
			$("a","#"+options.prevId, obj).click(function(){		
				animate("prev",true, obj);				
			});	
			$("a","#"+options.firstId, obj).click(function(){		
				animate("first",true, obj);
			});				
			$("a","#"+options.lastId, obj).click(function(){		
				animate("last",true, obj);				
			});		

			//for (i=0; i < ts; i++) {
			  $(".numbers").bind("click", function(event){	
  			  animate(this.id, true, obj);				
  			})
			//}
   
			  $("#0", obj).addClass("selected");


				
			function animate(dir,clicked, obj){
				var ot = t;			
				 $(".selected", obj).removeClass("selected");
				switch(dir){
					case "next":
						t = (ot>=ts) ? (options.continuous ? 0 : ts) : t+1;					
						break; 
					case "prev":
						t = (t<=0) ? (options.continuous ? ts : 0) : t-1;
						break; 
					case "first":
						t = 0;
						break; 
					case "last":
						t = ts;
						break; 
					default:
					  t = parseFloat(dir);
						break; 
				   };	
				 $("#"+t, obj).addClass("selected");
				
				var diff = Math.abs(ot-t);
				var speed = diff*options.speed;						
				if(!options.vertical) {
					p = (t*w*-1);
					$("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){
						$("a","#"+options.nextId, obj).hide();
						$("a","#"+options.lastId, obj).hide();
						$("a","#"+options.nextId+"-disabled", obj).show();
						$("a","#"+options.lastId+"-disabled", obj).show();
					} else {
						$("a","#"+options.nextId, obj).show();
						$("a","#"+options.lastId, obj).show();					
						$("a","#"+options.nextId+"-disabled", obj).hide();
						$("a","#"+options.lastId+"-disabled", obj).hide();
					};
					if(t==0){
						$("a","#"+options.prevId, obj).hide();
						$("a","#"+options.firstId, obj).hide();
						$("a","#"+options.prevId+"-disabled", obj).show();
						$("a","#"+options.firstId+"-disabled", obj).show();
					} else {
						$("a","#"+options.prevId, obj).show();
						$("a","#"+options.firstId, obj).show();
						$("a","#"+options.prevId+"-disabled", obj).hide();
						$("a","#"+options.firstId+"-disabled", obj).hide();
					};					
				//};				
				
				if(clicked) clearTimeout(timeout);
				if(options.auto && dir=="next" && !clicked){;
					timeout = setTimeout(function(){
						animate("next",false);
					},diff*options.speed+options.pause);
				};
				
			};
			// init
			var timeout;
			if(options.auto){;
				timeout = setTimeout(function(){
					animate("next",false, obj);
				},options.pause);
			};		
		
			//if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId, obj).hide();
				$("a","#"+options.firstId, obj).hide();	
        $("a","#"+options.prevId+"-disabled", obj).show();
				$("a","#"+options.firstId+"-disabled", obj).show();
				
				if (ts>=1) {
          $("a","#"+options.nextId+"-disabled", obj).hide();
  				$("a","#"+options.lastId+"-disabled", obj).hide();
			  } else {
			    $("a","#"+options.nextId, obj).hide();
  				$("a","#"+options.lastId, obj).hide();
			  }
			//};				
			
		});
	  
	};

})(jQuery);