
/*
 * Superfish v1.4.8 - jQuery menu widget
 * Copyright (c) 2008 Joel Birch
 *
 * Dual licensed under the MIT and GPL licenses:
 *     http://www.opensource.org/licenses/mit-license.php
 *     http://www.gnu.org/licenses/gpl.html
 *
 * CHANGELOG: http://users.tpg.com.au/j_birch/plugins/superfish/changelog.txt
 */

/*
 * Edited for readability by Joel Dunham
 * 
 */
;(function($){
    $.fn.superfish = function (op) {

        var sf = $.fn.superfish;
        c = sf.c;
        $arrow = $(['<span class="', c.arrowClass, '"> &#187;</span>'].join(''));

        over = function() {
            var $$ = $(this);
            menu = getMenu($$);
            clearTimeout(menu.sfTimer);
            $$.showSuperfishUl().siblings().hideSuperfishUl();
        };

        out = function() {
            var $$ = $(this);
            menu = getMenu($$);
            o = sf.op;
            clearTimeout(menu.sfTimer);
            menu.sfTimer = setTimeout(function () {
                o.retainPath = ($.inArray($$[0], o.$path)>-1);
                $$.hideSuperfishUl();
                if (o.$path.length &&
                    $$.parents(['li.',o.hoverClass].join('')).length<1){
                    over.call(o.$path);
                }
            },
            o.delay);
        };

        getMenu = function ($menu) {
            var menu = $menu.parents(['ul.',c.menuClass,':first'].join(''))[0];
            sf.op = sf.o[menu.serial];
            return menu;
        };
        
        addArrow = function ($a) {
            $a.addClass(c.anchorClass).append($arrow.clone());
        };

        return this.each(function () {
            var s = this.serial = sf.o.length;
            var o = $.extend({}, sf.defaults, op);
            o.$path = $('li.' + o.pathClass, this).slice(0, o.pathLevels)
                .each(function () {
                $(this).addClass([o.hoverClass, c.bcClass].join(' '))
                    .filter('li:has(ul)').removeClass(o.pathClass);
            });
            sf.o[s] = sf.op = o;

            $('li:has(ul)', this)[
                    ($.fn.hoverIntent && !o.disableHI) ? 'hoverIntent' : 'hover'
                ](over, out)
                .each(function () {
                    if (o.autoArrows) addArrow($('>a:first-child', this));
                })
                .not('.'+c.bcClass)
                .hideSuperfishUl();

            var $a = $('a', this);

            $a.each(function (i) {
                var $li = $a.eq(i).parents('li');
                $a.eq(i).focus(function () {over.call($li);})
                    .blur(function () {out.call($li);});
            });

            o.onInit.call(this);

        }).each(function () {
            var menuClasses = [c.menuClass];
            if (sf.op.dropShadows  &&
                !($.browser.msie && $.browser.version < 7))
                menuClasses.push(c.shadowClass);
            $(this).addClass(menuClasses.join(' '));

        })
        .find('li li:last-child').addClass('ui-corner-bottom sf-option-bottom')
        .end()
        .find('li li li:first-child').addClass('ui-corner-tr ui-option-top')
        .end()
        .find('li li:has(ul) > a')
        .append('<span class="sf-triangle-1-e"></span>').end()
        .find('li').bind({
            'mousedown': function (e) {
                $(this).addClass('sf-state-active-1');
                e.stopPropagation();
            },
            'mouseup mouseleave': function (e) {
                $(this).removeClass('sf-state-active-1');
                e.stopPropagation();
            }
        });
    };

    var sf = $.fn.superfish;
    sf.o = [];
    sf.op = {};

    sf.IE7fix = function(){
        var o = sf.op;
        if ($.browser.msie && $.browser.version > 6 && o.dropShadows &&
            o.animation.opacity!=undefined)
            this.toggleClass(sf.c.shadowClass + '-off');
        };

    sf.c = {
        bcClass     : 'sf-breadcrumb',
        menuClass   : 'sf-js-enabled',
        anchorClass : 'sf-with-ul',
        arrowClass  : 'sf-sub-indicator',
        shadowClass : 'sf-shadow'
    };

    sf.defaults = {
        hoverClass    : 'sfHover',
        pathClass    : 'overideThisToUse',
        pathLevels    : 1,
        delay        : 800,
        animation    : {opacity:'show'},
        speed        : 'normal',
        autoArrows    : true,
        dropShadows : true,
        disableHI    : false,        // true disables hoverIntent detection
        onInit        : function(){}, // callback functions
        onBeforeShow: function(){},
        onShow        : function(){},
        onHide        : function(){}
    };

    $.fn.extend({
        hideSuperfishUl : function(){
            var o = sf.op;
            not = (o.retainPath === true) ? o.$path : '';
            o.retainPath = false;
            var $ul = $(['li.', o.hoverClass].join(''), this)
                .add(this).not(not).removeClass(o.hoverClass)
                .find('>ul').hide().css('visibility','hidden');
            o.onHide.call($ul);
            return this;
        },
        showSuperfishUl : function(){
            var o = sf.op;
            sh = sf.c.shadowClass + '-off';
            $ul = this.addClass(o.hoverClass)
                    .find('>ul:hidden').css('visibility','visible');
            sf.IE7fix.call($ul);
            o.onBeforeShow.call($ul);
            $ul.animate(
                o.animation,
                o.speed,
                function () {
                    sf.IE7fix.call($ul); o.onShow.call($ul);
            });
            return this;
        }
    });

})(jQuery);
