/*
	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.

        ACK pour la fonction de chngement de navigtion en fonction du panneau courant.
        Necesite Jquery ET easing
*/

$(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="assets/templates/proconseil/images/ajax-loader.gif" alt="loading..." /></p>');
});

var sliderCount = 1; // A counter in case of more than one slider in the page

$.fn.codaSlider = function(settings) {

	settings = $.extend({
		autoHeight: true,
		autoHeightEaseDuration: 1000,
		autoHeightEaseFunction: "easeInOutExpo",
		autoSlide: true,
		autoSlideInterval: 2000,
		autoSlideStopWhenClicked: true,
		autoSlideStopOver:false,
		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",
		slidedFunction: null
	}, 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 coda-nav-right-' + sliderCount + '" id=""><a href="#">' + settings.dynamicArrowRightText + '</a></div>');
		};

		var panelWidth = slider.find(".panel").width();
		var panelCount = slider.find(".panel").size();
		var panelContainerWidth = 5+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({ width: panelContainerWidth });

		// 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({ marginLeft: offset });
		// 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({ marginLeft: offset });
		// Otherwise, we'll just set the current panel to 1...
		} else {
			var currentPanel = 1;
		};
		if (settings.slidedFunction) settings.slidedFunction(currentPanel);

		// 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('a.current').removeClass('current').parents('ul').find('li:last a').addClass('current');
			} else {
				currentPanel -= 1;
				alterPanelHeight(currentPanel - 1);
				offset = - (panelWidth*(currentPanel - 1));
				slider.siblings('.coda-nav').find('a.current').removeClass('current').parent().prev().find('a').addClass('current');
			};
			// Slide:
			// $('.panel-container', slider).animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
            doSlide(slider, offset);
			if (settings.crossLinking) { location.hash = currentPanel }; // Change the URL hash (cross-linking)
			if (settings.slidedFunction) settings.slidedFunction(currentPanel);
			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('a.current').removeClass('current').parents('ul').find('a:eq(0)').addClass('current');
			} else {
				offset = - (panelWidth*currentPanel);
				alterPanelHeight(currentPanel);
				currentPanel += 1;
				slider.siblings('.coda-nav').find('a.current').removeClass('current').parent().next().find('a').addClass('current');
			};
			// Slide:
			// $('.panel-container', slider).animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
            doSlide(slider, offset);
			if (settings.crossLinking) { location.hash = currentPanel }; // Change the URL hash (cross-linking)
			if (settings.slidedFunction) settings.slidedFunction(currentPanel);
			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) + '"><a href="#' + (n+1) + '">' + $(this).find(settings.panelTitleSelector).text() + '</a></li>');
			});
			navContainerWidth = slider.width() + slider.siblings('.coda-nav-left').width() + slider.siblings('.coda-nav-right').width();
			ul.parent().css({ width: navContainerWidth });
			switch (settings.dynamicTabsAlign) {
				case "center":
					ul.css({ width: ($("li", ul).width() + 2) * panelCount });
					break;
				case "right":
					ul.css({ 'float': 'right' });
					break;
			};
		};

		// If we need a tabbed nav
		$('#coda-nav-' + sliderCount + ' a').each(function(z) {
			// What happens when a nav link is clicked
			$(this).bind("click", function() {
				navClicks++;
				$(this).addClass('current').parents('ul').find('a').not($(this)).removeClass('current');
				offset = - (panelWidth*z);
				alterPanelHeight(z);
				currentPanel = z + 1;
				// Slide:
				// $('.panel-container', slider).animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
                doSlide(slider, offset);
				if (!settings.crossLinking) { return false }; // Don't change the URL hash unless cross-linking is specified
				if (settings.slidedFunction) settings.slidedFunction(currentPanel);
			});
		});

		// 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() {
                $(this).bind("mouseenter", function() {
					navClicks++;
					// @ack  A modifier pour gérer à la fois le click et le hover
					// targetPanel = parseInt($(this).attr("href").slice(1));
					foo = $(this).attr("href").split('#');
					targetPanel = parseInt(foo[1]);
					offset = - (panelWidth*(targetPanel - 1));
					alterPanelHeight(targetPanel - 1);
					currentPanel = targetPanel;
					// Switch the current tab:
					slider.siblings('.coda-nav').find('a').removeClass('current').parents('ul').find('li:eq(' + (targetPanel - 1) + ') a').addClass('current');
					// Slide:
					// $('.panel-container', slider).stop().animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
                    doSlide(slider, offset, true);
					if (!settings.crossLinking) { return false }; // Don't change the URL hash unless cross-linking is specified
					if (settings.slidedFunction) settings.slidedFunction(currentPanel);
				});
			};
		});
		
		// Stop if needed when mouse over the slide (GNO)
		$(this).hover(function() {
			if (settings.autoSlideStopOver) navClicks++;
		});

		// 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 + " a:eq(" + (location.hash.slice(1) - 1) + ")").addClass("current");
		// 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 + " a:eq(" + (settings.firstPanelToLoad - 1) + ")").addClass("current");
		// Otherwise we must be loading Panel 1, so make the first tab the current one.
		} else {
			$("#coda-nav-" + sliderCount + " a:eq(0)").addClass("current");
		};

		// 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).height()
				slider.animate({ height: panelHeight }, settings.autoHeightEaseDuration, settings.autoHeightEaseFunction);
			};
		};

		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('a').removeClass('current').parents('ul').find('li:eq(' + (currentPanel - 1) + ') a').addClass('current');
				// Slide:
                // $('.panel-container', slider).animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
                doSlide(slider, offset);
				setTimeout(autoSlide,settings.autoSlideInterval);
				if (settings.slidedFunction) settings.slidedFunction(currentPanel);
			};
		};
        // @ack IE ne supporte l'animation en mode 75% et 125%, donc l'on désactive celle-ci...
        function doSlide(slider, offset, stop) {
            /*
             * Calcul du Ratio pour désactiver l'animation sous IE si
             * le zoom n'est pas à 100%
             */
            var ua = $.browser;
            var ra = 1;
            if (ua.msie) {
                var vo = parseInt(ua.version.slice(0, 1));
                switch (vo) {
                    case 7:
                        ra = document.body.getBoundingClientRect(); 
                        ra = (ra.right-ra.left)/document.body.offsetWidth;
                        break;
                    case 8:
                        ra = screen.systemXDPI / screen.logicalXDPI;
                        break;
                    case 9:
                        ra = 1;
                        break;
                    default:
                        ra = 0;
                }
            }            
            if (1 == ra) {
                if (stop) $('.panel-container', slider).stop();
                $('.panel-container', slider).animate({ marginLeft: offset }, settings.slideEaseDuration, settings.slideEaseFunction);
            }
            else {
                $('.panel-container', slider).css('marginLeft', offset);
            }
        };

		// Kill the preloader
		$('.panel', slider).show().end().find("p.loading").remove();
		slider.removeClass("preload");

		sliderCount++;

	});
};