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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
Cokiee Shell
| Current Path : /var/www/web23/html/wp-content/themes/enfold/js/ |
| Current File : //var/www/web23/html/wp-content/themes/enfold/js/avia-snippet-hamburger-menu.js |
/*
* Implements the hamburger menu behaviour
*
*
* @since 4.8 moved from avia.js to own file as some user request to customize this feature
*/
(function($)
{
"use strict";
$(function()
{
$.avia_utilities = $.avia_utilities || {};
if( 'undefined' == typeof $.avia_utilities.isMobile )
{
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) && 'ontouchstart' in document.documentElement )
{
$.avia_utilities.isMobile = true;
}
else
{
$.avia_utilities.isMobile = false;
}
}
//activates the hamburger mobile menu
avia_hamburger_menu();
$(window).trigger( 'resize' );
});
$.avia_utilities = $.avia_utilities || {};
function avia_hamburger_menu()
{
var header = $('#header'),
header_main = $('#main .av-logo-container'), //check if we got a top menu that is above the header
menu = $('#avia-menu'),
burger_wrap = $('.av-burger-menu-main a'),
htmlEL = $('html').eq(0),
overlay = $('<div class="av-burger-overlay"></div>'),
overlay_scroll = $('<div class="av-burger-overlay-scroll"></div>').appendTo(overlay),
inner_overlay = $('<div class="av-burger-overlay-inner"></div>').appendTo(overlay_scroll),
bgColor = $('<div class="av-burger-overlay-bg"></div>').appendTo(overlay),
animating = false,
first_level = {},
logo_container = $('.av-logo-container .inner-container'),
menu_in_logo_container = logo_container.find('.main_menu'),
cloneFirst = htmlEL.is('.html_av-submenu-display-click.html_av-submenu-clone, .html_av-submenu-display-hover.html_av-submenu-clone'),
menu_generated = false,
cloned_menu_cnt = 0;
/**
* Check for alternate mobile menu
*/
var alternate = $('#avia_alternate_menu');
if( alternate.length > 0 )
{
menu = alternate;
}
var set_list_container_height = function()
{
//necessary for ios since the height is usually not 100% but 100% - menu bar which can be requested by window.innerHeight
if($.avia_utilities.isMobile)
{
overlay_scroll.outerHeight(window.innerHeight);
}
},
create_list = function( items , append_to )
{
if(!items) return;
var list, link, current, subitems, megacolumns, sub_current, sub_current_list, new_li, new_ul;
items.each(function()
{
current = $(this);
subitems = current.find(' > .sub-menu > li'); //find sublists of a regular defined menu
if( subitems.length == 0 )
{
subitems = current.find(' > .children > li'); //find sublists of a fallback menu
}
megacolumns = current.find( '.avia_mega_div > .sub-menu > li.menu-item' );
// href = '#': we have a custom link that should not link to something - is also in use by megamenu for titles
var cur_menu = current.find('>a');
var clone_events = true;
if( cur_menu.length )
{
if( cur_menu.get(0).hash == '#' || 'undefined' == typeof cur_menu.attr('href') || cur_menu.attr('href') == '#' )
{
// eventhandler conflict 'click' by megamenu (returns false) - ignore all handlers
if( subitems.length > 0 || megacolumns.length > 0 )
{
clone_events = false;
}
}
}
link = cur_menu.clone(clone_events).attr('style','');
// megamenus can have '' as url in top menu - allow click event in burger
if( 'undefined' == typeof cur_menu.attr('href') )
{
link.attr( 'href', '#' );
}
new_li = $('<li>').append( link );
// Copy user set classes for menu items - these must not start with menu-item, page-item, page_item (used by default classes)
var cls = [];
if( 'undefined' != typeof current.attr('class') )
{
cls = current.attr('class').split(/\s+/);
$.each( cls, function( index, value ){
if( ( value.indexOf('menu-item') != 0 ) && ( value.indexOf('page-item') < 0 ) && ( value.indexOf('page_item') != 0 ) && ( value.indexOf('dropdown_ul') < 0 ) )
{
// 'current-menu-item' is also copied !!
new_li.addClass( value );
}
return true;
});
}
if( 'undefined' != typeof current.attr('id') && '' != current.attr('id') )
{
new_li.addClass(current.attr('id'));
}
else
{
// fallback menu has no id -> try to find page id in class
$.each( cls, function( index, value ){
if( value.indexOf('page-item-') >= 0 )
{
new_li.addClass(value);
return false;
}
});
}
append_to.append(new_li);
if(subitems.length)
{
new_ul = $('<ul class="sub-menu">').appendTo(new_li);
if(cloneFirst && ( link.get(0).hash != '#' && link.attr('href') != '#' ))
{
new_li.clone(true).prependTo(new_ul);
}
new_li.addClass('av-width-submenu').find('>a').append('<span class="av-submenu-indicator">');
create_list( subitems , new_ul);
}
else if(megacolumns.length) //if we got no normal sublists try megamenu columns and sublists
{
new_ul = $('<ul class="sub-menu">').appendTo(new_li);
if(cloneFirst && ( link.get(0).hash != '#' && link.attr('href') != '#' ))
{
new_li.clone(true).prependTo(new_ul);
}
megacolumns.each(function(iteration)
{
var megacolumn = $(this),
mega_current = megacolumn.find( '> .sub-menu' ), // can be 0 if only a column is used without submenus
mega_title = megacolumn.find( '> .mega_menu_title' ),
mega_title_link = mega_title.find('a').attr('href') || "#",
current_megas = mega_current.length > 0 ? mega_current.find('>li') : null,
mega_title_set = false,
mega_link = new_li.find('>a'),
hide_enty = '';
// ignore columns that have no actual link and no subitems
if( ( current_megas === null ) || ( current_megas.length == 0 ) )
{
if( mega_title_link == '#' )
{
hide_enty = ' style="display: none;"';
}
}
if(iteration == 0) new_li.addClass('av-width-submenu').find('>a').append('<span class="av-submenu-indicator">');
//if we got a title split up submenu items into multiple columns
if(mega_title.length && mega_title.text() != "")
{
mega_title_set = true;
//if we are within the first iteration we got a new submenu, otherwise we start a new one
if(iteration > 0)
{
var check_li = new_li.parents('li').eq(0);
if(check_li.length) new_li = check_li;
new_ul = $('<ul class="sub-menu">').appendTo(new_li);
}
new_li = $('<li' + hide_enty + '>').appendTo(new_ul);
new_ul = $('<ul class="sub-menu">').appendTo(new_li);
$('<a href="'+mega_title_link+'"><span class="avia-bullet"></span><span class="avia-menu-text">' +mega_title.text()+ '</span></a>').insertBefore(new_ul);
mega_link = new_li.find('>a');
// Clone if we have submenus
if(cloneFirst && ( mega_current.length > 0 ) && ( mega_link.length && mega_link.get(0).hash != '#' && mega_link.attr('href') != '#' ))
{
new_li.clone(true).addClass('av-cloned-title').prependTo(new_ul);
}
}
// do not append av-submenu-indicator if no submenus (otherwise link action is blocked !!!)
if( mega_title_set && ( mega_current.length > 0 ) ) new_li.addClass('av-width-submenu').find('>a').append('<span class="av-submenu-indicator">');
create_list( current_megas , new_ul);
});
}
});
burger_wrap.trigger( 'avia_burger_list_created' );
return list;
};
var burger_ul, burger;
//prevent scrolling of outer window when scrolling inside
$('body').on( 'mousewheel DOMMouseScroll touchmove', '.av-burger-overlay-scroll', function (e)
{
var height = this.offsetHeight,
scrollHeight = this.scrollHeight,
direction = e.originalEvent.wheelDelta;
if(scrollHeight != this.clientHeight)
{
if( ( this.scrollTop >= (scrollHeight - height) && direction < 0) || (this.scrollTop <= 0 && direction > 0) )
{
e.preventDefault();
}
}
else
{
e.preventDefault();
}
});
//prevent scrolling for the rest of the screen
$(document).on( 'mousewheel DOMMouseScroll touchmove', '.av-burger-overlay-bg, .av-burger-overlay-active .av-burger-menu-main', function (e)
{
e.preventDefault();
});
//prevent scrolling on mobile devices
var touchPos = {};
$(document).on('touchstart', '.av-burger-overlay-scroll', function(e)
{
touchPos.Y = e.originalEvent.touches[0].clientY;
});
$(document).on('touchend', '.av-burger-overlay-scroll', function(e)
{
touchPos = {};
});
//prevent rubberband scrolling http://blog.christoffer.me/six-things-i-learnt-about-ios-safaris-rubber-band-scrolling/
$(document).on( 'touchmove', '.av-burger-overlay-scroll', function (e)
{
if(!touchPos.Y)
{
touchPos.Y = e.originalEvent.touches[0].clientY;
}
var differenceY = e.originalEvent.touches[0].clientY - touchPos.Y,
element = this,
top = element.scrollTop,
totalScroll = element.scrollHeight,
currentScroll = top + element.offsetHeight,
direction = differenceY > 0 ? "up" : "down";
$('body').get(0).scrollTop = touchPos.body;
if( top <= 0 )
{
if( direction == "up" )
{
e.preventDefault();
}
}
else if( currentScroll >= totalScroll )
{
if( direction == "down" )
{
e.preventDefault();
}
}
});
$(window).on( 'debouncedresize', function (e)
{
var close = true;
// @since 4.8.3 we support portrait/landscape screens to switch mobile menu
if( $.avia_utilities.isMobile && htmlEL.hasClass( 'av-mobile-menu-switch-portrait' ) && htmlEL.hasClass( 'html_text_menu_active' ) )
{
var height = $( window ).height();
var width = $( window ).width();
if( width <= height )
{
// in portrait mode we only need to remove added class
htmlEL.removeClass( 'html_burger_menu' );
}
else
{
// in landscape mode
var switch_width = htmlEL.hasClass( 'html_mobile_menu_phone' ) ? 768 : 990;
if( height < switch_width )
{
htmlEL.addClass( 'html_burger_menu' );
close = false;
}
else
{
htmlEL.removeClass( 'html_burger_menu' );
}
}
}
// close burger menu when returning to desktop
if( close && burger && burger.length )
{
if( ! burger_wrap.is(':visible') )
{
burger.filter(".is-active").parents('a').eq(0).trigger('click');
}
}
set_list_container_height();
});
//close overlay on overlay click
$('.html_av-overlay-side').on( 'click', '.av-burger-overlay-bg', function (e)
{
e.preventDefault();
burger.parents('a').eq(0).trigger('click');
});
//close overlay when smooth scrollign begins
$(window).on('avia_smooth_scroll_start', function()
{
if(burger && burger.length)
{
burger.filter(".is-active").parents('a').eq(0).trigger('click');
}
});
//toogle hide/show for submenu items
$('.html_av-submenu-display-hover').on( 'mouseenter', '.av-width-submenu', function (e)
{
$(this).children("ul.sub-menu").slideDown('fast');
});
$('.html_av-submenu-display-hover').on( 'mouseleave', '.av-width-submenu', function (e)
{
$(this).children("ul.sub-menu").slideUp('fast');
});
$('.html_av-submenu-display-hover').on( 'click', '.av-width-submenu > a', function (e)
{
e.preventDefault();
e.stopImmediatePropagation();
});
// for mobile we use same behaviour as submenu-display-click
$('.html_av-submenu-display-hover').on( 'touchstart', '.av-width-submenu > a', function (e)
{
var menu = $(this);
toggle_submenu( menu, e );
});
//toogle hide/show for submenu items
$('.html_av-submenu-display-click').on( 'click', '.av-width-submenu > a', function (e)
{
var menu = $(this);
toggle_submenu( menu, e );
});
// close mobile menu if click on active menu item
$('.html_av-submenu-display-click').on( 'click', '.av-burger-overlay a', function (e)
{
var loc = window.location.href.match(/(^[^#]*)/)[0];
var cur = $(this).attr('href').match(/(^[^#]*)/)[0];
if( cur == loc )
{
e.preventDefault();
e.stopImmediatePropagation();
burger.parents('a').eq(0).trigger('click');
return false;
}
return true;
});
function toggle_submenu( menu, e )
{
e.preventDefault();
e.stopImmediatePropagation();
var parent = menu.parents('li').eq(0);
parent.toggleClass('av-show-submenu');
if(parent.is('.av-show-submenu'))
{
parent.children("ul.sub-menu").slideDown('fast');
}
else
{
parent.children("ul.sub-menu").slideUp('fast');
}
};
(function normalize_layout()
{
//if we got the menu outside of the main menu container we need to add it to the container as well
if( menu_in_logo_container.length )
{
return;
}
var menu2 = $('#header .main_menu').clone(true),
ul = menu2.find('ul.av-main-nav'),
id = ul.attr('id');
if( 'string' == typeof id && '' != id.trim() )
{
ul.attr('id', id + '-' + cloned_menu_cnt++ );
}
menu2.find('.menu-item:not(.menu-item-avia-special)').remove();
menu2.insertAfter(logo_container.find('.logo').first());
//check if we got social icons and append it to the secondary menu
var social = $('#header .social_bookmarks').clone(true);
if( ! social.length )
{
social = $('.av-logo-container .social_bookmarks').clone(true);
}
if( social.length )
{
menu2.find('.avia-menu').addClass('av_menu_icon_beside');
menu2.append(social);
}
//re select the burger menu if we added a new one
burger_wrap = $('.av-burger-menu-main a');
}());
burger_wrap.on('click', function(e)
{
if( animating )
{
return;
}
burger = $(this).find('.av-hamburger'),
animating = true;
if(!menu_generated)
{
menu_generated = true;
burger.addClass("av-inserted-main-menu");
burger_ul = $('<ul>').attr({id:'av-burger-menu-ul', class:''});
var first_level_items = menu.find('> li:not(.menu-item-avia-special)'); //select all first level items that are not special items
var list = create_list( first_level_items , burger_ul);
burger_ul.find('.noMobile').remove(); //remove any menu items with the class noMobile so user can filter manually if he wants
burger_ul.appendTo(inner_overlay);
first_level = inner_overlay.find('#av-burger-menu-ul > li');
if($.fn.avia_smoothscroll)
{
$('a[href*="#"]', overlay).avia_smoothscroll(overlay);
}
}
if(burger.is(".is-active"))
{
burger.removeClass("is-active");
htmlEL.removeClass("av-burger-overlay-active-delayed");
overlay.animate({opacity:0}, function()
{
overlay.css({display:'none'});
htmlEL.removeClass("av-burger-overlay-active");
animating = false;
});
}
else
{
set_list_container_height();
var offsetTop = header_main.length ? header_main.outerHeight() + header_main.position().top : header.outerHeight() + header.position().top;
overlay.appendTo($(e.target).parents('.avia-menu'));
burger_ul.css({padding:( offsetTop ) + "px 0px"});
first_level.removeClass('av-active-burger-items');
burger.addClass("is-active");
htmlEL.addClass("av-burger-overlay-active");
overlay.css({display:'block'}).animate({opacity:1}, function()
{
animating = false;
});
setTimeout(function()
{
htmlEL.addClass("av-burger-overlay-active-delayed");
}, 100);
first_level.each(function(i)
{
var _self = $(this);
setTimeout(function()
{
_self.addClass('av-active-burger-items');
}, (i + 1) * 125);
});
}
e.preventDefault();
});
}
})( jQuery );
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