/*
	jQuery Coda-Slider v2.0 - http://www.ndoherty.biz/coda-slider
	Copyright (c) 2009 Niall Doherty
	This plugin available for use in all personal or commercial projects under both MIT and GPL licenses.
	
	The plugin has been adapted by Sandstein Neue Medien
	and modified by mat 2011/10/18
*/

$(function(){
	// Remove the coda-slider-no-js class from the body
	$("body").removeClass("coda-slider-no-js");
	// Preloader
	$(".coda-slider").children('.panel').hide().end().prepend('<p class="loading">Loading...<br /><img src="/libs/jqueryplugin/coda-slider/2.0-adapted/images/ajax-loader.gif" alt="loading..." /></p>');
});

var sliderCount = 1;

$.fn.codaSlider = function(settings) {

	settings = $.extend({
		autoHeight: true,
		autoHeightEaseDuration: 1000,
		autoHeightEaseFunction: "easeInOutExpo",
		autoSlide: false,
		autoSlideInterval: 7000,
		autoSlideStopWhenClicked: true,
		crossLinking: true,
		dynamicArrows: true,
		dynamicArrowLeftText: "&#171; left",
		dynamicArrowRightText: "right &#187;",
		dynamicTabs: true,
		dynamicTabsAlign: "center",
		dynamicTabsPosition: "top",
		externalTriggerSelector: "a.xtrig",
		firstPanelToLoad: 1,
		panelTitleSelector: "h2.title",
		slideEaseDuration: 1000,
		slideEaseFunction: "easeInOutExpo"
	}, settings);
	
	return this.each(function(){
		
		// Uncomment the line below to test your preloader
		// alert("Testing preloader");
		
		var slider = $(this);
		
		// If we need arrows
		if (settings.dynamicArrows) {
			slider.parent().addClass("arrows");
			slider.before('<div class="coda-nav-left" id="coda-nav-left-' + sliderCount + '"><a href="#">' + settings.dynamicArrowLeftText + '</a></div>');
			slider.after('<div class="coda-nav-right" id="coda-nav-right-' + sliderCount + '"><a href="#">' + settings.dynamicArrowRightText + '</a></div>');
		};
		
		var panelWidth = slider.find(".panel").height(); //changed from width
		var panelCount = slider.find(".panel").size();
		var panelContainerWidth = panelWidth*panelCount;
		var navClicks = 0; // Used if autoSlideStopWhenClicked = true
		
		// Surround the collection of panel divs with a container div (wide enough for all panels to be lined up end-to-end)
		$('.panel', slider).wrapAll('<div class="panel-container"></div>');
		// Specify the width of the container div (wide enough for all panels to be lined up end-to-end)
		$(".panel-container", slider).css({ height: panelContainerWidth }); //changed from width
		
		// 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 (settings.crossLinking && location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
			var currentPanel = parseInt(location.hash.slice(1));
			var offset = - (panelWidth*(currentPanel - 1));
			$('.panel-container', slider).css({ marginTop: offset }); //changed from marginLeft
		// If that's not the case, check to see if we're supposed to load a panel other than Panel 1 initially...
		} else if (settings.firstPanelToLoad != 1 && settings.firstPanelToLoad <= panelCount) { 
			var currentPanel = settings.firstPanelToLoad;
			var offset = - (panelWidth*(currentPanel - 1));
			$('.panel-container', slider).css({ marginTop: offset }); //changed from marginLeft
		// Otherwise, we'll just set the current panel to 1...
		} else { 
			var currentPanel = 1;
		};
			
		// Left arrow click
		$("#coda-nav-left-" + sliderCount + " a").click(function(){
			navClicks++;
			if (currentPanel == 1) {
				offset = - (panelWidth*(panelCount - 1));
				alterPanelHeight(panelCount - 1);
				currentPanel = panelCount;
				slider.siblings('.coda-nav').find('p.current').removeClass('current').parents('ul').find('li:last p').addClass('current'); //changed from a to p
			} else {
				currentPanel -= 1;
				alterPanelHeight(currentPanel - 1);
				offset = - (panelWidth*(currentPanel - 1));
				slider.siblings('.coda-nav').find('p.current').removeClass('current').parent().prev().find('p').addClass('current'); //changed from a to p
			};
			$('.panel-container', slider).animate({ marginTop: offset }, settings.slideEaseDuration, settings.slideEaseFunction); //changed from marginLeft
			if (settings.crossLinking) { location.hash = currentPanel }; // Change the URL hash (cross-linking)
			return false;
		});
			
		// Right arrow click
		$('#coda-nav-right-' + sliderCount + ' a').click(function(){
			navClicks++;
			if (currentPanel == panelCount) {
				offset = 0;
				currentPanel = 1;
				alterPanelHeight(0);
				slider.siblings('.coda-nav').find('p.current').removeClass('current').parents('ul').find('p:eq(0)').addClass('current'); //changed from a to p
			} else {
				offset = - (panelWidth*currentPanel);
				alterPanelHeight(currentPanel);
				currentPanel += 1;
				slider.siblings('.coda-nav').find('p.current').removeClass('current').parent().next().find('p').addClass('current'); //changed from a to p
			};
			$('.panel-container', slider).animate({ marginTop: offset }, settings.slideEaseDuration, settings.slideEaseFunction); //changed from marginLeft
			if (settings.crossLinking) { location.hash = currentPanel }; // Change the URL hash (cross-linking)
			return false;
		});
		
		// If we need a dynamic menu
		if (settings.dynamicTabs) {
			var dynamicTabs = '<div class="coda-nav" id="coda-nav-' + sliderCount + '"><ul></ul></div>';
			switch (settings.dynamicTabsPosition) {
				case "bottom":
					slider.parent().append(dynamicTabs);
					break;
				default:
					slider.parent().prepend(dynamicTabs);
					break;
			};
			ul = $('#coda-nav-' + sliderCount + ' ul');
			// Create the nav items
			$('.panel', slider).each(function(n) {
				ul.append('<li class="tab' + (n+1) + '"><p name="#' + (n+1) + '">' + $(this).find(settings.panelTitleSelector).html() + '</p></li>'); //changed from a to p											
			});
			navContainerWidth = slider.width() + slider.siblings('.coda-nav-left').width() + slider.siblings('.coda-nav-right').width();
			ul.parent().css({ width: navContainerWidth });
			switch (settings.dynamicTabsAlign) {
				case "center":
					ul.css({ width: ($("li", ul).width() + 2) * panelCount });
					break;
				case "right":
					ul.css({ float: 'right' });
					break;
			};
		};
			
		// If we need a tabbed nav
		$('#coda-nav-' + sliderCount + ' p').each(function(z) { //changed from a to p
			// What happens when a nav link is clicked
			$(this).bind("click", function() {	// added to handle link in div (mat)
				var link = $(this).find('a').attr('href');
				window.location = link;
				return false;
			});
			
			$(this).bind("mouseover", function() { // changed from click to mouseover (mat)
				navClicks++;
				$(this).addClass('current').parents('ul').find('p').not($(this)).removeClass('current'); //changed from a to p
				offset = - (panelWidth*z);
				alterPanelHeight(z);
				currentPanel = z + 1;
				$('.panel-container', slider).animate({ marginTop: offset }, settings.slideEaseDuration, settings.slideEaseFunction); //changed from marginLeft
				if (!settings.crossLinking) { return false }; // Don't change the URL hash unless cross-linking is specified
			});
		});
		
		// External triggers (anywhere on the page)
		$(settings.externalTriggerSelector).each(function() {
			// Make sure this only affects the targeted slider
			if (sliderCount == parseInt($(this).attr("rel").slice(12))) {
				$(this).bind("click", function() {
					navClicks++;
					targetPanel = parseInt($(this).attr("name").slice(1)); //changed from href
					offset = - (panelWidth*(targetPanel - 1));
					alterPanelHeight(targetPanel - 1);
					currentPanel = targetPanel;
					// Switch the current tab:
					slider.siblings('.coda-nav').find('p').removeClass('current').parents('ul').find('li:eq(' + (targetPanel - 1) + ') a').addClass('current'); //changed from a to p
					// Slide
					$('.panel-container', slider).animate({ marginTop: offset }, settings.slideEaseDuration, settings.slideEaseFunction); //changed from marginLeft
					if (!settings.crossLinking) { return false }; // Don't change the URL hash unless cross-linking is specified
				});
			};
		});
			
		// Specify which tab is initially set to "current". Depends on if the loaded URL had a hash or not (cross-linking).
		if (settings.crossLinking && location.hash && parseInt(location.hash.slice(1)) <= panelCount) {
			$("#coda-nav-" + sliderCount + " p:eq(" + (location.hash.slice(1) - 1) + ")").addClass("current"); //changed from a to p
		// If there's no cross-linking, check to see if we're supposed to load a panel other than Panel 1 initially...
		} else if (settings.firstPanelToLoad != 1 && settings.firstPanelToLoad <= panelCount) {
			$("#coda-nav-" + sliderCount + " p:eq(" + (settings.firstPanelToLoad - 1) + ")").addClass("current"); //changed from a to p
		// Otherwise we must be loading Panel 1, so make the first tab the current one.
		} else {
			$("#coda-nav-" + sliderCount + " p:eq(0)").addClass("current"); //changed from a to p
		};
		
		// Set the height of the first panel
		if (settings.autoHeight) {
			panelHeight = $('.panel:eq(' + (currentPanel - 1) + ')', slider).height();
			slider.css({ height: panelHeight });
		};
		
		// Trigger autoSlide
		if (settings.autoSlide) {
			slider.ready(function() {
				setTimeout(autoSlide,settings.autoSlideInterval);
			});
		};
		
		function alterPanelHeight(x) {
			if (settings.autoHeight) {
				panelHeight = $('.panel:eq(' + x + ')', slider).width() //changed from height
				slider.animate({ width: panelHeight }, settings.autoHeightEaseDuration, settings.autoHeightEaseFunction); //changed from height
			};
		};
		
		function autoSlide() {
			if (navClicks == 0 || !settings.autoSlideStopWhenClicked) {
				if (currentPanel == panelCount) {
					var offset = 0;
					currentPanel = 1;
				} else {
					var offset = - (panelWidth*currentPanel);
					currentPanel += 1;
				};
				alterPanelHeight(currentPanel - 1);
				// Switch the current tab:
				slider.siblings('.coda-nav').find('p').removeClass('current').parents('ul').find('li:eq(' + (currentPanel - 1) + ') p').addClass('current'); //changed from a to p
				// Slide:
				$('.panel-container', slider).animate({ marginTop: offset }, settings.slideEaseDuration, settings.slideEaseFunction); //changed from marginLeft
				setTimeout(autoSlide,settings.autoSlideInterval);
			};
		};
		
		// Kill the preloader
		$('.panel', slider).show().end().find("p.loading").remove();
		slider.removeClass("preload");
		
		sliderCount++;
		
	});
};