/*
anythingSlider v1.2
By Chris Coyier: http://css-tricks.com
with major improvements by Doug Neiner: http://pixelgraphics.us/
based on work by Remy Sharp: http://jqueryfordesigners.com/
 
 
To use the navigationFormatter function, you must have a function that
accepts two paramaters, and returns a string of HTML text.
index = integer index (1 based);
panel = jQuery wrapped LI item this tab references
@return = Must return a string of HTML/Text
navigationFormatter: function(index, panel){
return index + " Panel"; // This would have each tab with the text 'X Panel' where X = index
}
*/
 
(function($){
 
    $.anythingSlider = function(el, options){
        // To avoid scope issues, use 'base' instead of 'this'
        // to reference this class from internal events and functions.
        var base = this;
        
        // Access to jQuery and DOM versions of element
        base.$el = $(el);
        base.el = el;
 
// Set up a few defaults
        base.currentPage = 1;
base.timer = null;
base.playing = false;
 
        // Add a reverse reference to the DOM object
        base.$el.data("AnythingSlider", base);
        
        base.init = function(){
            base.options = $.extend({},$.anythingSlider.defaults, options);
 
// Cache existing DOM elements for later
base.$wrapper = base.$el.find('> div').css('overflow', 'hidden');
            base.$slider = base.$wrapper.find('> ul');
            base.$items = base.$slider.find('> li');
            base.$single = base.$items.filter(':first');
 
// Build the navigation if needed
if(base.options.buildNavigation) base.buildNavigation();
        
         // Get the details
            base.singleWidth = base.$single.outerWidth();
            base.pages = base.$items.length;
 
            // Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
// This supports the "infinite" scrolling
base.$items.filter(':first').before(base.$items.filter(':last').clone().addClass('cloned'));
            base.$items.filter(':last' ).after(base.$items.filter(':first').clone().addClass('cloned'));
 
// We just added two items, time to re-cache the list
            base.$items = base.$slider.find('> li'); // reselect
            
// Setup our forward/backward navigation
base.buildNextBackButtons();
 
// If autoPlay functionality is included, then initialize the settings
if(base.options.autoPlay) {
base.playing = !base.options.startStopped; // Sets the playing variable to false if startStopped is true
base.buildAutoPlay();
};
 
// If pauseOnHover then add hover effects
if(base.options.pauseOnHover) {
base.$el.hover(function(){
base.clearTimer();
}, function(){
base.startStop(base.playing);
});
}
 
// If a hash can not be used to trigger the plugin, then go to page 1
if((base.options.hashTags == true && !base.gotoHash()) || base.options.hashTags == false){
base.setCurrentPage(1);
};
        };
 
base.gotoPage = function(page, autoplay){
// When autoplay isn't passed, we stop the timer
if(autoplay !== true) autoplay = false;
if(!autoplay) base.startStop(false);
 
if(typeof(page) == "undefined" || page == null) {
page = 1;
base.setCurrentPage(1);
};
 
// Just check for bounds
if(page > base.pages + 1) page = base.pages;
if(page < 0 ) page = 1;
 
var dir = page < base.currentPage ? -1 : 1,
                n = Math.abs(base.currentPage - page),
                left = base.singleWidth * dir * n;
 
base.$wrapper.filter(':not(:animated)').animate({
                scrollLeft : '+=' + left
            }, base.options.animationTime, base.options.easing, function () {
                if (page == 0) {
                    base.$wrapper.scrollLeft(base.singleWidth * base.pages);
page = base.pages;
                } else if (page > base.pages) {
                    base.$wrapper.scrollLeft(base.singleWidth);
                    // reset back to start position
                    page = 1;
                };
base.setCurrentPage(page);
 
            });
};
 
base.setCurrentPage = function(page, move){
// Set visual
if(base.options.buildNavigation){
base.$nav.find('.cur').removeClass('cur');
$(base.$navLinks[page - 1]).addClass('cur');
};
 
// Only change left if move does not equal false
if(move !== false) base.$wrapper.scrollLeft(base.singleWidth * page);
 
// Update local variable
base.currentPage = page;
};
 
base.goForward = function(autoplay){
if(autoplay !== true) autoplay = false;
base.gotoPage(base.currentPage + 1, autoplay);
};
 
base.goBack = function(){
base.gotoPage(base.currentPage - 1);
};
 
// This method tries to find a hash that matches panel-X
// If found, it tries to find a matching item
// If that is found as well, then that item starts visible
base.gotoHash = function(){
if(/^#?panel-\d+$/.test(window.location.hash)){
var index = parseInt(window.location.hash.substr(7));
var $item = base.$items.filter(':eq(' + index + ')');
if($item.length != 0){
base.setCurrentPage(index);
return true;
};
};
return false; // A item wasn't found;
};
        
// Creates the numbered navigation links
base.buildNavigation = function(){
base.$nav = $("<div id='thumbNav'></div>").appendTo(base.$el);
base.$items.each(function(i,el){
var index = i + 1;
var $a = $("<a href='#'></a>");
 
// If a formatter function is present, use it
if( typeof(base.options.navigationFormatter) == "function"){
$a.html(base.options.navigationFormatter(index, $(this)));
} else {
$a.text(index);
}
$a.click(function(e){
                    base.gotoPage(index);
                    
                    if (base.options.hashTags)
base.setHash('panel-' + index);
 
                    e.preventDefault();
});
base.$nav.append($a);
});
base.$navLinks = base.$nav.find('> a');
};
 
 
// Creates the Forward/Backward buttons
base.buildNextBackButtons = function(){
var $forward = $('<a class="arrow forward">&gt;</a>'),
$back = $('<a class="arrow back">&lt;</a>');
 
            // Bind to the forward and back buttons
            $back.click(function(e){
                base.goBack();
e.preventDefault();
            });
 
            $forward.click(function(e){
                base.goForward();
e.preventDefault();
            });
 
// Append elements to page
base.$wrapper.after($back).after($forward);
};
 
// Creates the Start/Stop button
base.buildAutoPlay = function(){
 
base.$startStop = $("<a href='#' id='start-stop'></a>").html(base.playing ? base.options.stopText : base.options.startText);
base.$el.append(base.$startStop);
            base.$startStop.click(function(e){
base.startStop(!base.playing);
e.preventDefault();
            });
 
// Use the same setting, but trigger the start;
base.startStop(base.playing);
};
 
// Handles stopping and playing the slideshow
// Pass startStop(false) to stop and startStop(true) to play
base.startStop = function(playing){
if(playing !== true) playing = false; // Default if not supplied is false
 
// Update variable
base.playing = playing;
 
// Toggle playing and text
if(base.options.autoPlay) base.$startStop.toggleClass("playing", playing).html( playing ? base.options.stopText : base.options.startText );
 
if(playing){
base.clearTimer(); // Just in case this was triggered twice in a row
base.timer = window.setInterval(function(){
base.goForward(true);
}, base.options.delay);
} else {
base.clearTimer();
};
};
 
base.clearTimer = function(){
// Clear the timer only if it is set
if(base.timer) window.clearInterval(base.timer);
};
 
// Taken from AJAXY jquery.history Plugin
base.setHash = function ( hash ) {
// Write hash
if ( typeof window.location.hash !== 'undefined' ) {
if ( window.location.hash !== hash ) {
window.location.hash = hash;
};
} else if ( location.hash !== hash ) {
location.hash = hash;
};
 
// Done
return hash;
};
// <-- End AJAXY code
 
 
// Trigger the initialization
        base.init();
    };
 
 
    $.anythingSlider.defaults = {
        easing: "swing", // Anything other than "linear" or "swing" requires the easing plugin
        autoPlay: true, // This turns off the entire FUNCTIONALY, not just if it starts running or not
        startStopped: false, // If autoPlay is on, this can force it to start stopped
        delay: 3000, // How long between slide transitions in AutoPlay mode
        animationTime: 600, // How long the slide transition takes
        hashTags: true, // Should links change the hashtag in the URL?
        buildNavigation: true, // If true, builds and list of anchor links to link to each slide
        pauseOnHover: true, // If true, and autoPlay is enabled, the show will pause on hover
startText: "Start", // Start text
stopText: "Stop", // Stop text
navigationFormatter: null // Details at the top of the file on this use (advanced use)
    };
 
 
    $.fn.anythingSlider = function(options){
if(typeof(options) == "object"){
return this.each(function(i){
(new $.anythingSlider(this, options));
 
// This plugin supports multiple instances, but only one can support hash-tag support
// This disables hash-tags on all items but the first one
options.hashTags = false;
});
} else if (typeof(options) == "number") {
 
return this.each(function(i){
var anySlide = $(this).data('AnythingSlider');
if(anySlide){
anySlide.gotoPage(options);
}
});
}
    };
 
 
})(jQuery);