//anythingSlider v1.2 - By Chris Coyier: http://css-tricks.com, major improvements by Doug Neiner: http://pixelgraphics.us/, based on work by Remy Sharp: http://jqueryfordesigners.com/
(function($){
	$.anythingSlider = function(el, options){
		// To avoid scope issues, use 'base' instead of 'this' to reference this class from internal events and functions.
		var base = this;
		base.$el = $(el);
		base.el = el;
		base.currentPage = 1;
		base.timer = null;
		base.playing = false;
		base.$el.data("AnythingSlider", base);
		base.init = function(){
			base.options = $.extend({},$.anythingSlider.defaults, options);

			// Cache existing DOM elements for later
			base.$wrapper = base.$el.find('> div').css('overflow', 'hidden');
			base.$slider = base.$wrapper.find('> ul');
			base.$items = base.$slider.find('> li');
			base.$single = base.$items.filter(':first');

			// Build the navigation if needed
			if(base.options.buildNavigation) base.buildNavigation();

			// Get the details
			base.singleWidth = base.$single.outerWidth();
			base.pages = base.$items.length;

			// Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
			// This supports the "infinite" scrolling
			base.$items.filter(':first').before(base.$items.filter(':last').clone().addClass('cloned'));
			base.$items.filter(':last' ).after(base.$items.filter(':first').clone().addClass('cloned'));

			// We just added two items, time to re-cache the list
			base.$items = base.$slider.find('> li'); // reselect

			// Setup our forward/backward navigation
			base.buildNextBackButtons();

			// If autoPlay functionality is included, then initialize the settings. Sets the playing variable to false if startStopped is true
			if(base.options.autoPlay) { base.playing = !base.options.startStopped; base.buildAutoPlay(); };

			// If pauseOnHover then add hover effects
			if(base.options.pauseOnHover) { base.$el.hover(function(){base.clearTimer();}, function(){base.startStop(base.playing);}); }

			// If a hash can not be used to trigger the plugin, then go to page 1
			if((base.options.hashTags == true && !base.gotoHash()) || base.options.hashTags == false){ base.setCurrentPage(1); };
		};

		base.gotoPage = function(page, autoplay){
			// When autoplay isn't passed, we stop the timer
			if(autoplay !== true) autoplay = false;
			if(!autoplay) base.startStop(false);

			if(typeof(page) == "undefined" || page == null) { page = 1; base.setCurrentPage(1); };

			// Just check for bounds
			if(page > base.pages + 1) page = base.pages;
			if(page < 0 ) page = 1;

			var dir = page < base.currentPage ? -1 : 1, n = Math.abs(base.currentPage - page), left = base.singleWidth * dir * n;

			base.$wrapper.filter(':not(:animated)').animate(
				{scrollLeft : '+=' + left},
				base.options.animationTime,
				base.options.easing,
				function () {
					if (page == 0) {
						base.$wrapper.scrollLeft(base.singleWidth * base.pages);
						page = base.pages;
					} else if (page > base.pages) {
						base.$wrapper.scrollLeft(base.singleWidth);
						page = 1;
					};
					base.setCurrentPage(page);
				}
			);
		};

		base.setCurrentPage = function(page, move){
			if(base.options.buildNavigation){ base.$nav.find('.cur').removeClass('cur'); $(base.$navLinks[page - 1]).addClass('cur'); };
			if(move !== false) base.$wrapper.scrollLeft(base.singleWidth * page);
			base.currentPage = page;
		};

		base.goForward = function(autoplay){ if(autoplay !== true) autoplay = false; base.gotoPage(base.currentPage + 1, autoplay); };
		base.goBack = function(){ base.gotoPage(base.currentPage - 1); };

		// This method tries to find a hash that matches panel-X. If found, it tries to find a matching item. If that is found as well, then that item starts visible
		base.gotoHash = function(){
			if(/^#?panel-\d+$/.test(window.location.hash)){
				var index = parseInt(window.location.hash.substr(7));
				var $item = base.$items.filter(':eq(' + index + ')');
				if($item.length != 0){ base.setCurrentPage(index); return true; };
			};
			return false;
		};

		// Creates the numbered navigation links
		base.buildNavigation = function(){
			base.$nav = $("<div id='thumbNav'></div>").appendTo('.featEvenCtrl');
			base.$items.each(function(i,el){
				var index = i + 1;
				var $a = $("<a href='#'></a>");

				// If a formatter function is present, use it
				if(typeof(base.options.navigationFormatter) == "function"){
					$a.html(base.options.navigationFormatter(index, $(this)));
				} else {
					$a.text(index);
				}
				$a.click(function(e){
					base.gotoPage(index);
					if (base.options.hashTags) base.setHash('panel-' + index);
					e.preventDefault();
				});
				base.$nav.append($a);
			});
			base.$navLinks = base.$nav.find('> a');
		};

		// Creates the Forward/Backward buttons
		base.buildNextBackButtons = function(){
			var $forward = $('<a class="arrow forward">Next</a>'), $back = $('<a class="arrow back">Previous</a>');

			// Bind to the forward and back buttons
			$back.click(function(e){ base.goBack(); e.preventDefault(); });
			$forward.click(function(e){ base.goForward(); e.preventDefault(); });

			// Append elements to page
			$forward.appendTo('.featEvenCtrl');
			$back.appendTo('.featEvenCtrl');
		};

		// Creates the Start/Stop button
		base.buildAutoPlay = function(){
			base.$startStop = $("<a href='#' id='start-stop'></a>").html(base.playing ? base.options.stopText :  base.options.startText);
			$('.featEvenCtrl').append(base.$startStop);
			base.$startStop.click(function(e){ base.startStop(!base.playing); e.preventDefault(); });

			// Use the same setting, but trigger the start;
			base.startStop(base.playing);
		};

		// Handles stopping and playing the slideshow. Pass startStop(false) to stop and startStop(true) to play
		base.startStop = function(playing){
			if((base.$items.length-3)>0) {
				if(playing !== true) playing = false; // Default if not supplied is false

				// Update variable
				base.playing = playing;

				// Toggle playing and text
				if(base.options.autoPlay) base.$startStop.toggleClass("playing", playing).html( playing ? base.options.stopText : base.options.startText );

				if(playing){
					base.clearTimer(); // Just in case this was triggered twice in a row
					base.timer = window.setInterval(function(){ base.goForward(true); }, base.options.delay);
				} else {
					base.clearTimer();
				};
			} else {
				playing = false;
				base.clearTimer();
			}
		};

		// Clear the timer only if it is set
		base.clearTimer = function(){ if(base.timer) window.clearInterval(base.timer); };
		base.setHash = function ( hash ) {
			// Write hash
			if ( typeof window.location.hash !== 'undefined' ) {
				if ( window.location.hash !== hash ) window.location.hash = hash;
			} else if ( location.hash !== hash ) {
				location.hash = hash;
			};
			return hash;
		};

		// Trigger the initialization
		base.init();
	};

	$.anythingSlider.defaults = {
		easing: "swing",			// Anything other than "linear" or "swing" requires the easing plugin
		autoPlay: true,				// This turns off the entire FUNCTIONALY, not just if it starts running or not
		startStopped: false,		// If autoPlay is on, this can force it to start stopped
		delay: 3000,				// How long between slide transitions in AutoPlay mode
		animationTime: 600,			// How long the slide transition takes
		hashTags: true,				// Should links change the hashtag in the URL?
		buildNavigation: true,		// If true, builds and list of anchor links to link to each slide
		pauseOnHover: true,			// If true, and autoPlay is enabled, the show will pause on hover
		startText: "Start",			// Start text
		stopText: "Stop",			// Stop text
		navigationFormatter: null	// Details at the top of the file on this use (advanced use)
	};

	$.fn.anythingSlider = function(options){
		if(typeof(options) == "object"){
			return this.each(function(i){(new $.anythingSlider(this, options)); options.hashTags = false;});
		} else if (typeof(options) == "number") {
			return this.each(function(i){
				var anySlide = $(this).data('AnythingSlider');
				if(anySlide) anySlide.gotoPage(options);
			});
		}
	};
})(jQuery);