/*
 * 	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="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>
 *
 */

(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,
			pagination:		'#pag li.page a',
			actionButton:	'#slider-action',
			ulId:			'#slider-slides',
			liClass:		'.slide-li'
		}; 
		
		var options = $.extend(defaults, options);  
				
		return this.each(function() {  
			var obj = $(this);
			
			$("#restart-slider").click(function() {
				$(options.actionButton).removeClass('slider-play').addClass('slider-pause');
				pause('go');
				t=0;
				$("#slider-slides").css({'marginLeft' : '0'});
				$("#page-8").parent().removeClass('current');
				$("#page-1").parent().addClass('current');
				
			});
					
			// looping
			// when you get to the last slide, loop to the first, don't rewind
			// we're going to clone the first slide
			$("ul" + options.ulId, obj).append( $("li:first", obj).clone() );
					
			var s = $("ul" + options.ulId + " li" + options.liClass, obj).length;
			var w = $("ul" + options.ulId + " li" + options.liClass, obj).width(); 
			var h = $("ul" + options.ulId + " li" + options.liClass, obj).height();
			
			obj.width(w); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1;
			var t = 0;
			var bindedObject = null;
			$("ul" + options.ulId, obj).css('width',s*w);			
			if(!options.vertical)
				$("ul" + options.ulId + " li" + options.liClass, obj).css('float','left');
			
			
			// going to stuff this here
			// if you click anywhere inside the slide, pause the show
			$("ul" + options.ulId + " li" + options.liClass, obj).each(function(i) {
				bindedObject = $(this).bind('click', i, function(e){
					pause('stop');
				});
			});
			
			if(options.controlsShow){
				var html = options.controlsBefore;
				if(options.firstShow) html += '<span id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></span>';
				html += ' <span id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></span>';
				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>';
				html += options.controlsAfter;						
				$(obj).after(html);										
			};
	
			$("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 animate(dir,clicked,recursive_call){
				// if user 
				if (bindedObject != 'null') {
					bindedObject.unbind('click', $(this).obj);
				}
				recursive_call = recursive_call || false;
				var ot = t;				
				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;
						t = (t<=0) ? ts : t-1;
						break; 
					case "first":
						t = 0;
						break; 
					case "last":
						t = ts;
						break; 
					default:
						break; 
				};
								
				var diff = Math.abs(ot-t);
				var speed = diff*options.speed;
				var wait = diff*options.speed+options.pause;
				var again = false;
				
				if (options.continuous) {
					if (dir == "next" && ot >= ts) {
						// alright, so we're at the last slide
						// last slide should be a copy of the first slide
						// and we're going to be going back to the first slide
						// just GO there
						speed = 0;
						wait = 0;
						again = true;
					} else if (dir == "prev" && t == ts) {
						speed = 0;
						wait = 0;
						again = true;
					}
				} else {
					if (dir == "prev" && t == ts) {
						speed = 0;
						wait = 0;
						again = true;
					}
				}
				if (clicked) {
					if (dir == "next" && ot >= ts) {
						// if you're on the last slide
						// and you click next
						t = 0;
						again = true;
					}

				}
										
				if(!options.vertical) {
					p = (t*w*-1);
					if (speed == 0) {
						$("ul" + options.ulId, obj).css('marginLeft', p);
					} else {
						$("ul" + options.ulId,obj).animate(
							{ marginLeft: p }, 
							speed
						);
					}
				} else {
					p = (t*h*-1);
					$("ul" + options.ulId,obj).animate(
						{ marginTop: p }, 
						speed
					);					
				};
				
				if (recursive_call) { again = false; }
				
				if(!options.continuous && options.controlsFade){					
					if(t==ts){
					} else {
						$("a","#"+options.nextId).show();
						$("a","#"+options.lastId).show();					
					};
					if(t==0){
					} else {
						$("a","#"+options.prevId).show();
						$("a","#"+options.firstId).show();
					};					
				};
				
				
				// if you click, stop
				if(clicked) clearTimeout(timeout);

				if(options.auto && dir=="next" && !clicked){
					timeout = setTimeout(function(){
						animate("next",false);
					},wait);
				} else if (options.auto && clicked) {
					timeout = setTimeout(function(){
						animate("next",false);
					},wait * 2);
				}
				

				// remove "current" from the page we're leaving
				$(options.pagination).parent().removeClass('current');
				// add "current" to page we're going to
				var current_page = t+1;
				if (current_page > $(options.pagination).length) { current_page = 1; }
				$(options.pagination + '#page-' + current_page.toString()).parent().addClass('current');
								
			}; // end function animate
			
			// init
			var timeout;
			if(options.auto){;
				timeout = setTimeout(function(){
					animate("next",false);
				},options.pause);
			};	
//			cufonBrandbox();
				
		
			if(!options.continuous && options.controlsFade){					
//				$("a","#"+options.prevId).hide();
//				$("a","#"+options.firstId).hide();				
			};				


			// dots/pages
			$(options.pagination).each(function(i){
				$(this).bind('click', i, function(e){
					e.preventDefault();
					if (i > t) {
						t = i-1;
						animate('next', true);
					} else if (i < t) {
						t = i+1;
						animate('prev', true);
					}
				});
			});
			
			
			// pause/play button
			$(options.actionButton).each(function(i) {
				$(this).bind('click', i, function(e) {
					e.preventDefault();
					
					if ($(this).hasClass('slider-pause')) {
						pause('stop');
					} else if ($(this).hasClass('slider-play')) {
						pause('go');
					}
				});
			});
			
			
			// pause function
			function pause(stop_go) {
				if (stop_go == 'go') {
					// PLAY
					animate("next", false);
					$(options.actionButton).removeClass('slider-play').addClass('slider-pause');
				} else {
					// PAUSE
					animate("stop", true);
					$(options.actionButton).removeClass('slider-pause').addClass('slider-play');
				}
			};
			
			
		});
		

		
	  
	};

})(jQuery);