/*
 * 	Easy Slider 1.7 - 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
 *
 * 	Easy Slider 1.75 - jQuery plugin
 *	updated by Justin Carroll	
 *	http://www.3circlestudio.com/
 *
 *	Added option "allControls" to show both next/previous/first/last and
 *  numeric paging all at once
 *
 */
 
/*
 *	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,
			controlsPlayPause:	false,
			controlsBefore:		'',
			controlsAfter:		'',	
			controlsFade:		true,
			firstId: 		'firstBtn',
			firstText: 		'First',
			firstShow:		false,
			lastId: 		'lastBtn',	
			lastText: 		'Last',
			lastShow:		false,				
			vertical:		false,
			speed: 			800,
			custom:		false,
			multipleSlides:		false,
			numberOfSlides:		1,
			auto:			false,
			autoAfterClick:		false,
			pause:			2000,
			continuous:		false, 
			numeric: 		false,
			bullets:		false,
			controlId: 		'controls',
			allControls:		false
		}; 
		
		var options = $.extend(defaults, options);  
				
		this.each(function() {
			var obj = $(this); 				
			var s = $('li , .views-row', obj).length;
			var w = $('li , .views-row', obj).width(); 
			//alert(w);
			//w = 838;
			var h = $('li , .views-row', obj).height(); 
			var clickable = true;
			var viewableWindowWidth;
			if(options.multipleSlides){
				viewableWindowWidth = w*options.numberOfSlides;
				
			}
			else if(options.custom){
				viewableWindowWidth = 1019;
				alert(viewableWindowWidth);
			}
			else{
				viewableWindowWidth = w;
			}
			
			
			obj.width(viewableWindowWidth); 
			obj.height(h); 
			obj.css("overflow","hidden");
			var ts = s-1;
			var t = 0;
			
			if(options.multipleSlides){
				$("ul, .view-content", obj).css('width',(s + options.numberOfSlides)*w);
				
			}
			else{
				$("ul, .view-content", obj).css('width',s*w);
			}
			
			if($("ul, .view-content", obj).children().size()==1){
				options.controlsShow=false;
				options.auto=false;
			}
			
			if(options.continuous){
				
				
				
				
				if(options.multipleSlides){
					for(i=1;i<=options.numberOfSlides + 1;i++){
						$("ul, .view-content", obj).append($("ul li:nth-child(" + i + ")", obj).clone());	
					}
				}
				else{
					$("ul, .view-content", obj).prepend($("ul li:last-child, .views-row:last-child", obj).clone().css("margin-left","-"+ w +"px"));
					$("ul, .view-content", obj).append($("ul li:nth-child(2), .views-row:nth-child(2)", obj).clone());
					$("ul, .view-content", obj).css('width',(s+1)*w);
				}

				
				
			};				
			
			if(!options.vertical) $("li, .views-row", obj).css('float','left');
								
			if(options.controlsShow){
				var html = options.controlsBefore;				
				if(options.numeric){
					var bulletClass = "";
					if(options.bullets){
						bulletClass = " bullets";
					}
					html += '<ol id="'+ options.controlId +'" class="easySliderControls ' + bulletClass + '"></ol>';
				} else if (options.allControls) {
					html += '<ul id="' + options.controlId + '" class="easySliderControls">';
					if(options.firstShow) html += '<li id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></li>';
					html += ' <li id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></li>';
					html += ' <li id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></li>';
					if(options.lastShow) html += ' <span id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></li>';
					html += '</ul>';				
				} else {
					html += '<ul id="' + options.controlId + '" class="easySliderControls">';
					if(options.firstShow) html += '<li id="'+ options.firstId +'"><a href=\"javascript:void(0);\">'+ options.firstText +'</a></li>';
					html += ' <li id="'+ options.prevId +'"><a href=\"javascript:void(0);\">'+ options.prevText +'</a></li>';
					html += ' <li id="'+ options.nextId +'"><a href=\"javascript:void(0);\">'+ options.nextText +'</a></li>';
					if(options.lastShow) html += ' <li id="'+ options.lastId +'"><a href=\"javascript:void(0);\">'+ options.lastText +'</a></li>';	
					html += '</ul>';				
				};
				if(options.controlsPlayPause){
					html += '<div id="'+ options.controlId +'_PlayPause" class="easySliderControls_PlayPause"><a class="pause">Pause</a><a class="play">Play</a></div>';	
				}
				html += options.controlsAfter;						
				$(obj).after(html);
				
				if(options.controlsPlayPause){
					
					//wire pause/play controls
					var objPlay = $(obj + ".easySliderControls_PlayPause a.play");
					var objPause = $(obj + ".easySliderControls_PlayPause a.pause");
					
					//initialize button states
					if(options.auto){
						objPlay.addClass("active");
					}
					else{
						objPause.addClass("active");
					};
					
					
					//Play button
					objPlay.click(function(){
						
						//activate Play button.  deactivate Pause button
						$(this).addClass("active");
						objPause.removeClass("active");
						
						//enable Autorotate
						options.auto = true;						
						
						//play the slider;
						timeout = setTimeout(function(){
							animate("next",false);
						},options.pause);
						

						
					})
					
					//Pause button
					objPause.click(function(){
						
						//activate Pause button.  deactivate Play button.
						$(this).addClass("active");
						objPlay.removeClass("active");						
						
						//clear Autorotate interval
						clearTimeout(timeout);
						
						//disable Autorotate
						options.auto = false;

						
					})
				}
			};
			
			if(options.numeric){									
				for(var i=0;i<s;i++){						
					$(document.createElement("li"))
						.attr('id',options.controlId + (i+1))
						.html('<a rel='+ i +' href=\"javascript:void(0);\">'+ (i+1) +'</a>')
						.appendTo($("#"+ options.controlId))
						.click(function(){							
							animate($("a",$(this)).attr('rel'),true);
							


						if(options.controlsPlayPause && !options.autoAfterClick){
							
							var objPlay = $(obj + ".easySliderControls_PlayPause a.play");
							var objPause = $(obj + ".easySliderControls_PlayPause a.pause");
							
							objPlay.removeClass("active");
							objPause.addClass("active");
						}



						if(options.auto && options.autoAfterClick){;
						timeout = setTimeout(function(){
							animate("next",false);
						},options.pause);
			
			
			
			};
						
						}); 												
				};
			} else if (options.allControls) {
				for(var i=0;i<s;i++){						
					$(document.createElement("li"))
						.attr('id',options.controlId + (i+1))
						.attr('class', 'numeric')
						.html('<a rel='+ i +' href=\"javascript:void(0);\">'+ (i+1) +'</a>')
						.insertBefore($("#"+ options.nextId))
						.click(function(){							
							animate($("a",$(this)).attr('rel'),true);
						}); 												
				};
				$("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);				
				});				
			} else {
				$("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 setCurrent(i){
				i = parseInt(i)+1;
				$('li, .views-row', "#" + options.controlId).removeClass("active");
				$('li#' + options.controlId + i).addClass("active");
			};
			
			function adjust(){
				if(t>ts) t=0;		
				if(t<0) t=ts;	
				if(!options.vertical) {
					$("ul, .view-content",obj).css("margin-left",(t*w*-1));
					//alert(t*w*-1);
				} else {
					$("ul, .view-content",obj).css("margin-left",(t*h*-1));
				}
				clickable = true;
				if(options.numeric || options.allControls) setCurrent(t);
			};
			
			function animate(dir,clicked){
				if (clickable){
					clickable = false;
					var ot = t;				
					switch(dir){
						case "next":
							t = (ot>=ts) ? (options.continuous ? parseInt(t)+1 : ts) : parseInt(t)+1;						
							break; 
						case "prev":
							t = (t<=0) ? (options.continuous ? t-1 : 0) : t-1;
							break; 
						case "first":
							t = 0;
							break; 
						case "last":
							t = ts;
							break; 
						default:
							t = dir;
							break; 
					};	
					var diff = Math.abs(ot-t);
					var speed = diff*options.speed;						
					if(!options.vertical) {
						p = (t*w*-1);
						$("ul, .view-content",obj).animate(
							{ marginLeft: p }, 
							{ queue:false, duration:speed, complete:adjust }
						);				
					} else {
						p = (t*h*-1);
						$("ul, .view-content",obj).animate(
							{ marginTop: p }, 
							{ queue:false, duration:speed, complete:adjust }
						);					
					};
					
					if(!options.continuous && options.controlsFade){					
						if(t==ts){
							$("a","#"+options.nextId).hide();
							$("a","#"+options.lastId).hide();
						} else {
							$("a","#"+options.nextId).show();
							$("a","#"+options.lastId).show();					
						};
						if(t==0){
							$("a","#"+options.prevId).hide();
							$("a","#"+options.firstId).hide();
						} else {
							$("a","#"+options.prevId).show();
							$("a","#"+options.firstId).show();
						};					
					};				
					
					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);
				},options.pause);
			};		
			
			if(options.numeric || options.allControls) setCurrent(0);
		
			if(!options.continuous && options.controlsFade){					
				$("a","#"+options.prevId).hide();
				$("a","#"+options.firstId).hide();				
			};				
			
		});
	  
	};

})(jQuery);