/*
 * FeatureList - simple and easy creation of an interactive "Featured Items" widget
 * Examples and documentation at: http://jqueryglobe.com/article/feature_list/
 * Version: 1.0.0 (01/09/2009)
 * Copyright (c) 2009 jQueryGlobe
 * Licensed under the MIT License: http://en.wikipedia.org/wiki/MIT_License
 * Requires: jQuery v1.3+
*/


;(function($) {
    $.fn.featureList = function(options) {
        var tabs = $(this);
        var output = $(options.output);

        new jQuery.featureList(tabs, output, options);

        return this;
    };

    $.featureList = function(tabs, output, options, onslide) {
        function slide(nr) {

            if (typeof nr == "undefined") {
                nr = visible_item + 1;
                nr = nr >= total_items ? 0 : nr;
            }

            tabs.removeClass('current').filter(":eq(" + nr + ")").addClass('current');
            if (tabs.length > 1) {
                output.stop(true, true).filter(":visible").fadeOut();
                output.filter(":eq(" + nr + ")").fadeIn(function() {
                    visible_item = nr;
                });
                if (onslide != null) {
                    onslide();
                }
            }
        }


        var options = options || {};
        var total_items = tabs.length;
        var visible_item = options.start_item || 0;

        options.pause_on_hover = options.pause_on_hover || true;
        options.transition_interval = options.transition_interval || 3000;


        output.hide().eq(visible_item).show();
        tabs.eq(visible_item).addClass('current');

        tabs.click(function() {
            if ($(this).hasClass('current')) {
                return true;
            }

            slide(tabs.index(this));
        });

        var slideFunction = function() {
            if ($(this).hasClass('current')) {
                return false;
            }

            slide(tabs.index(this));
        }

        var config = {
            sensitivity: 2, // number = sensitivity threshold (must be 1 or higher)    
            interval: 50, // number = milliseconds for onMouseOver polling interval
            over: slideFunction, // function = onMouseOver callback (REQUIRED)    
            timeout: 300, // number = milliseconds delay before onMouseOut             
            out: function() { }
        };

        tabs.hoverIntent(config);

        if (options.transition_interval > 0) {
            var timer = setInterval(function() {
                slide();
            }, options.transition_interval);

            if (options.pause_on_hover) {
                tabs.mouseenter(function() {
                    clearInterval(timer);

                }).mouseleave(function() {
                    clearInterval(timer);
                    timer = setInterval(function() {
                        slide();
                    }, options.transition_interval);
                });
                output.mouseenter(function() {
                    clearInterval(timer);

                }).mouseleave(function() {
                    clearInterval(timer);
                    timer = setInterval(function() {
                        slide();
                    }, options.transition_interval);
                });
            }
        }
    };
})(jQuery);