menu

(function($)
{
    "use strict";
    $.avia_utilities = $.avia_utilities || {};

    $( function()
    {
         //activates the sticky submenu
        $.avia_utilities = $.avia_utilities || {};

        if( $.avia_utilities.avia_sticky_submenu )
        {
            $.avia_utilities.avia_sticky_submenu();
        }
    });


    $.avia_utilities.avia_sticky_submenu = function()
    {
        var win         = $(window),
            html        = $('html').first(),
            header      = $('.html_header_top.html_header_sticky #header'),
            html_margin = parseInt( $('html').first().css('margin-top'), 10),
            setWitdth   = $('.html_header_sidebar #main, .boxed #main'),
            menus       = $('.av-submenu-container'),
            bordermod   = html.is('.html_minimal_header') ? 0 : 1,
            fixed_frame = $('.av-frame-top').height(),
            burger_menu = $('.av-burger-menu-main'),
            calc_margin = function()
            {
                html_margin = parseInt( html.css('margin-top'), 10);
                if(!$('.mobile_menu_toggle:visible').length)
                {
                    $('.av-open-submenu').removeClass('av-open-submenu');
                }

                menus.filter('.av-sticky-submenu').each(function()
                {
                    $(this).next('.sticky_placeholder').height($(this).height());
                });

            },
            calc_values = function()
            {
                var content_width = setWitdth.width();
                html_margin = parseInt( html.css('margin-top'), 10);
                menus.width(content_width);
            },
            check       = function(placeholder, no_timeout)
            {
                var menu_pos    = this.offset().top,
                    top_pos     = placeholder.offset().top,
                    scrolled    = win.scrollTop(),
                    modifier    = html_margin,
                    fixed       = false;

                    /**
                     * If we have burger menu active we ignore sticking submenus
                     */
                    /***
                    if( burger_menu.is(":visible") )
                    {
                        this.css({top: 'auto', position: 'absolute'}); fixed = false;
                        return;
                    }
                    ****/

                    if( burger_menu.is(":visible") && (scrolled + modifier > top_pos) )
                    {
                        this.css({top: header.Height() , position: 'fixed !important'}); fixed = true;
                    }

                    if(header.length)
                    {
                        modifier += header.outerHeight() + parseInt( header.css('margin-top'), 10);
                    }

                    if(fixed_frame)
                    {
                        modifier += fixed_frame;
                    }

                    if(scrolled + modifier > top_pos)
                    {
                        if(!fixed)
                        {
                            this.css({top: modifier - bordermod, position: 'fixed'}); fixed = true;
                        }
                    }
                    else
                    {
                        this.css({top: 'auto', position: 'absolute'}); fixed = false;
                    }

            },
            toggle = function(e)
            {
                e.preventDefault();

                var clicked = $(this),
                    menu    = clicked.siblings('.av-subnav-menu');

                    if(menu.hasClass('av-open-submenu'))
                    {
                        menu.removeClass('av-open-submenu');
                    }
                    else
                    {
                        menu.addClass('av-open-submenu');
                    }
            };

        win.on("debouncedresize av-height-change",  calc_margin ); calc_margin();

        if(setWitdth.length)
        {
            win.on("debouncedresize av-height-change",  calc_values );
            calc_values();
        }


        menus.each(function()
        {
             var menu = $(this), sticky = menu.filter('.av-sticky-submenu'),  placeholder = menu.next('.sticky_placeholder'), mobile_button = menu.find('.mobile_menu_toggle');


             if(sticky.length) win.on( 'scroll debouncedresize',  function(){ window.requestAnimationFrame( $.proxy( check, sticky, placeholder) ); } );

             if(mobile_button.length)
             {
                mobile_button.on( 'click',  toggle );
             }
        });


        html.on('click', '.av-submenu-hidden .av-open-submenu li a', function()
        {
            var current = $(this);

            var list_item = current.siblings('ul, .avia_mega_div');
            if(list_item.length)
            {
                if(list_item.hasClass('av-visible-sublist'))
                {
                    list_item.removeClass('av-visible-sublist');
                }
                else
                {
                    list_item.addClass('av-visible-sublist');
                }
                return false;
            }
        });

        $('.avia_mobile').on('click', '.av-menu-mobile-disabled li a', function()
        {
            var current = $(this);
            var list_item = current.siblings('ul');
            if(list_item.length)
            {
                if(list_item.hasClass('av-visible-mobile-sublist'))
                {

                }
                else
                {
                    $('.av-visible-mobile-sublist').removeClass('av-visible-mobile-sublist');
                    list_item.addClass('av-visible-mobile-sublist');
                    return false;
                }

            }
        });



    };


}(jQuery));