/*
	jQuery Coda-Slider v1.1 - http://www.ndoherty.com/coda-slider
	
	Copyright (c) 2007 Niall Doherty
	
	Inspired by the clever folks at http://www.panic.com/coda
	Many thanks to Gian Carlo Mingati. Coda-Slider is a heavily modified version of his slideViewer, which can be found at  http://www.gcmingati.net/wordpress/wp-content/lab/jquery/imagestrip/imageslide-plugin.html
	
	Requirements:
	-  jQuery 1.2 ... available via  http://www.jquery.com
	-  jQuery easing plugin (1.2) ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- jQuery easing compatability plugin ... available via  http://gsgd.co.uk/sandbox/jquery/easing/
	- CSS included in index.html
*/

jQuery(function(){
	//jQuery("div.csw").prepend("<p class='loading'>Loading...<br /><img src='images/ajax-loader.gif' alt='loading...'/ ></p>");
});
var j = 0;
jQuery.fn.codaSlider = function(settings) {
	 settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 750,
     toolTip: false
  }, settings);
	return this.each(function(){
		var container = jQuery(this);
		// Remove the preloader gif...
		//container.find("p.loading").remove();
		// Self-explanatory...
		// Get the width of a panel, set from CSS...
		var panelWidth = container.find("div.panel").width();
		// panelCount gives us a count of the panels in the container...
		var panelCount = container.find("div.panel").size();
		// Calculate the width of all the panels when lined up end-to-end...
		var stripViewerWidth = panelWidth*panelCount;
		// Use the above width to specify the CSS width for the panelContainer element...
		container.find("div#slide-container").css("width" , stripViewerWidth);
		// Set the navWidth as a multiple of panelCount to account for margin-right on each li
		var navWidth = panelCount*2;
		
		// Specify the current panel.
		// If the loaded URL has a hash (cross-linking), we're going to use that hash to give the slider a specific starting position...
		if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
			var cPanel = parseInt(location.hash.slice(1));
			var cnt = - (panelWidth*(cPanel - 1));
			jQuery(this).find("div#slide-container").css({ left: cnt });
		// Otherwise, we'll just set the current panel to 1...
		} else { 
			var cPanel = 1;
		};
		function colorNavItems(obj, p){
			$('.header ul li a', p).removeClass('active')
								   .removeClass('prev-1').removeClass('prev-2').removeClass('prev-3')
								   .removeClass('next-1').removeClass('next-2').removeClass('next-3');
			$(obj).addClass('active');
			$(obj).parent().prev().find('a').addClass('prev-1');
			$(obj).parent().prev().prev().find('a').addClass('prev-2');
			$(obj).parent().prev().prev().prev().find('a').addClass('prev-3');

			$(obj).parent().next().find('a').addClass('next-1');
			$(obj).parent().next().next().find('a').addClass('next-2');
			$(obj).parent().next().next().next().find('a').addClass('next-3');
		}		
		// Create appropriate nav
		container.each(function(i) {
			/*
			// Create the Left and Right arrows
			jQuery(this).before("<div class='stripNavL' id='stripNavL" + j + "'><a href='#'>Left</a><\/div>");
			jQuery(this).after("<div class='stripNavR' id='stripNavR" + j + "'><a href='#'>Right</a><\/div>");
			
			// Create the Tabs
			jQuery(this).before("<div class='stripNav' id='stripNav" + j + "'><ul><\/ul><\/div>");
			jQuery(this).find("div.panel").each(function(n) {
						jQuery("div#stripNav" + j + " ul").append("<li class='tab" + (n+1) + "'><a href='#" + (n+1) + "'>" + jQuery(this).attr("title") + "<\/a><\/li>");												
			});
			*/
			// Tab nav
			var self = this;
			$('.header ul li a', this).focus(function(){ this.blur();});
			$('.header ul li a', this).each(function(index){
				if(index == 0){
					colorNavItems(this, self);
				}
				$(this).bind('click', function(){
					colorNavItems(this, self);
					navWidth += $(this).parent().width();
					var cnt = - (panelWidth*index);
					cPanel = index + 1;
					$('#slide-container', self).animate({left: cnt}, settings.easeTime, settings.easeFunc);
					var uid = $(this).attr('id').replace('nav-id-', '');
					loadprojectdes(uid);
					return false;											   
				});
			});
			$('.header ul li#btn-prev img').click(function(){
				var currentNav = $('.header ul li a.active', self);		
				$('.header ul li a.active', self).removeClass('active');
				var uid = 0;
				if (cPanel == 1) {
					var cnt = - (panelWidth*(panelCount - 1));
					cPanel = panelCount;
					colorNavItems($('.header ul li a')[panelCount -1], self);
					uid = $($('.header ul li a')[panelCount -1]).attr('id').replace('nav-id-', '');
				}
				else{
					cPanel -= 1;
					var cnt = - (panelWidth*(cPanel - 1));
					colorNavItems($(currentNav).parent().prev().find('a'), self);
					uid = $(currentNav).parent().prev().find('a').attr('id').replace('nav-id-', '');
				}
				$('#slide-container', self).animate({left: cnt}, settings.easeTime, settings.easeFunc);
				loadprojectdes(uid);
			});
			$('.header ul li#btn-next img').click(function(){
				var currentNav = $('.header ul li a.active', self);		
				$('.header ul li a.active', self).removeClass('active');
				var uid = 0;
				if (cPanel == panelCount) {
					var cnt = 0;
					cPanel = 1;
					colorNavItems($('.header ul li a')[0], self);
					uid = $($('.header ul li a')[0]).attr('id').replace('nav-id-', '');
				}
				else{
					var cnt = - (panelWidth*cPanel);
					cPanel += 1;
					colorNavItems($(currentNav).parent().next().find('a'), self);
					var uid = $(currentNav).parent().next().find('a').attr('id').replace('nav-id-', '');
				}
				$('#slide-container', self).animate({left: cnt}, settings.easeTime, settings.easeFunc);
				loadprojectdes(uid);
			});			
			if(window.location.hash){
				var id = window.location.hash.replace('#portfolio-', '');
				var currentIndex = 0;
				$('.header ul li a', self).each(function(index){
					var itemId= $(this).attr('id').replace('nav-id-', '');
					if(itemId == id){
						currentIndex = index;
					}
				});
				$('#nav-id-'+id).each(function(){
					colorNavItems(this, self);
					
				});
				cPanel = currentIndex + 1;
				var cnt = - (panelWidth*currentIndex);
				$('#slide-container', self).animate({left: cnt}, settings.easeTime, settings.easeFunc);
			}

			// Same-page cross-linking
			jQuery("a.cross-link").click(function(){
				jQuery(this).parents().find(".stripNav ul li a:eq(" + (parseInt(jQuery(this).attr("href").slice(1)) - 1) + ")").trigger('click');
			});	
			
			// Set the width of the nav using the navWidth figure we calculated earlier. This is so the nav can be centred above the slider
			jQuery("div#stripNav" + j).css("width" , navWidth);
			
			// Specify which tab is initially set to "current". Depends on if the loaded URL had a hash or not (cross-linking).
			if (location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
				jQuery("div#stripNav" + j + " a:eq(" + (location.hash.slice(1) - 1) + ")").addClass("current");
			} else {
				jQuery("div#stripNav" + j + " a:eq(0)").addClass("current");
			}
			
		});
		
		j++;
  });
};