/* jQuery Coda-Slider v1.1 - http://www.ndoherty.com/coda-slider /// modified by Horn Group */

jQuery(function(){
	jQuery("div.csw").prepend("<p class='loading'>Loading...</p>");
});
var j = 0;
jQuery.fn.codaSlider = function(settings) {
	 settings = jQuery.extend({
     easeFunc: "expoinout",
     easeTime: 750,
     toolTip: false
  }, settings);
	 
	return this.each(function(){
							  
		// correct Case-Studies Module pagination
		if ($('.panelContainer:has(.network-module)')){
			
			var itemNum = 1
			var pageNum = 1
			
			$('.network-module').each(function(){
				if(itemNum == 6){
					itemNum = 1
					pageNum++
					$(this).attr({title: pageNum, alt: itemNum});
					itemNum++
				} else {
					$(this).attr({title: pageNum, alt: itemNum});
					itemNum++
				}
			});

			var moduleWrapper = 1
			for(i=1;i<=pageNum;i++){
				$('.network-module[title="'+moduleWrapper+'"]').wrapAll('<div class="panel"></div>').removeAttr("title").removeAttr("alt");
				moduleWrapper++
			}
		}
	 
		var container = jQuery(this);
		container.find("p.loading").remove();
		container.removeClass("csw").addClass("stripViewer");
		var panelWidth = container.find("div.panel").width();
		var panelCount = container.find("div.panel").size();
		var stripViewerWidth = panelWidth*panelCount;
		container.find("div.panelContainer").css("width",stripViewerWidth);
		var navWidth = panelCount*2;
		
		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.panelContainer").css({ left: cnt });
		} else { 
			var cPanel = 1;
		};
		
		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).after("<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) + "'>" + (n+1) + "<\/a><\/li>");												
			});
			jQuery("div#stripNav" + j).children('ul').append('<li><a href="#" id="left"></a></li><li><a href="#" id="right"></a></li>');
			
			// Tab nav
			jQuery("div#stripNav" + j + " a:not([id])").each(function(z) {
				// Figure out the navWidth by adding up the width of each li
				navWidth += jQuery(this).parent().width();
				// What happens when a nav link is clicked
				jQuery(this).bind("click", function() {
					jQuery(this).addClass("current").parent().parent().find("a").not(jQuery(this)).removeClass("current"); // wow!
					var cnt = - (panelWidth*z);
					cPanel = z + 1;
					jQuery(this).parent().parent().parent().prev().find("div.panelContainer").animate({left:cnt}, settings.easeTime, settings.easeFunc);
					return false;
				});
			});
			
			// Left nav
			jQuery(".stripNav ul li a#left").click(function(){
				if (cPanel == 1) {
					var cnt = - (panelWidth*(panelCount - 1));
					cPanel = panelCount;
					jQuery(this).parent().parent().parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("a:not([id]):last").addClass("current");
				} else {
					cPanel -= 1;
					var cnt = - (panelWidth*(cPanel - 1));
					jQuery(this).parent().parent().parent().parent().find("div.stripNav a.current").removeClass("current").parent().prev().find("a").addClass("current");
				};
				jQuery(this).parent().parent().parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				//location.hash = cPanel;
				return false;
			});
			
			// Right nav
			jQuery(".stripNav ul li a#right").click(function(){
				if (cPanel == panelCount) {
					var cnt = 0;
					cPanel = 1;
					jQuery(this).parent().parent().parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("a:eq(0)").addClass("current");
				} else {
					var cnt = - (panelWidth*cPanel);
					cPanel += 1;
					jQuery(this).parent().parent().parent().parent().find("div.stripNav a.current").removeClass("current").parent().next().find("a").addClass("current");
				};
				jQuery(this).parent().parent().parent().parent().find("div.panelContainer").animate({ left: cnt}, settings.easeTime, settings.easeFunc);
				// Change the URL hash (cross-linking)...
				//location.hash = cPanel;
				return false;
			});
			
			// 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++;
  });
};