/*
	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.panelContainer").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: 550,
        toolTip: true
    }, settings);
    return this.each(function () {
        var container = jQuery(this);
        // Remove the preloader gif...
        container.find("p.loading").remove();
        // Self-explanatory...
        container.removeClass("csw").addClass("stripViewer");
        // 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.panelContainer").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.panelContainer").css({ left: cnt });
            // Otherwise, we'll just set the current panel to 1...
        } else {
            var cPanel = 1;
        };

        // Create appropriate nav
        container.each(function (i) {







            // Left nav
            jQuery("div#stripNavL" + j + " a").click(function () {
                if (cPanel == 1) {
                    return false;
                    var cnt = -(panelWidth * (panelCount - 1));
                    cPanel = panelCount;
                    jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().parent().find("li:last a").addClass("current");
                } else {
                    cPanel -= 1;
                    var cnt = -(panelWidth * (cPanel - 1));
                    jQuery(this).parent().parent().find("div.stripNav a.current").removeClass("current").parent().prev().find("a").addClass("current");
                };
                jQuery(this).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("div#stripNavR" + j + " a").click(function () {
                if (cPanel == panelCount) {
                    return false;
                    var cnt = 0;
                    cPanel = 1;
                    jQuery(this).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().find("div.stripNav a.current").removeClass("current").parent().next().find("a").addClass("current");
                };
                jQuery(this).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++;
    });
};
