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/**
* File navigation.js
*
* Handles toggling the navigation menu for small screens and enables tab
* support for dropdown menus.
*
* @package Astra
*/
/**
* Get all of an element's parent elements up the DOM tree
*
* @param {Node} elem The element.
* @param {String} selector Selector to match against [optional].
* @return {Array} The parent elements.
*/
var astraGetParents = function ( elem, selector ) {
// Element.matches() polyfill.
if ( ! Element.prototype.matches) {
Element.prototype.matches =
Element.prototype.matchesSelector ||
Element.prototype.mozMatchesSelector ||
Element.prototype.msMatchesSelector ||
Element.prototype.oMatchesSelector ||
Element.prototype.webkitMatchesSelector ||
function(s) {
var matches = (this.document || this.ownerDocument).querySelectorAll( s ),
i = matches.length;
while (--i >= 0 && matches.item( i ) !== this) {}
return i > -1;
};
}
// Setup parents array.
var parents = [];
// Get matching parent elements.
for ( ; elem && elem !== document; elem = elem.parentNode ) {
// Add matching parents to array.
if ( selector ) {
if ( elem.matches( selector ) ) {
parents.push( elem );
}
} else {
parents.push( elem );
}
}
return parents;
};
/**
* Deprecated: Get all of an element's parent elements up the DOM tree
*
* @param {Node} elem The element.
* @param {String} selector Selector to match against [optional].
* @return {Array} The parent elements.
*/
var getParents = function ( elem, selector ) {
console.warn( 'getParents() function has been deprecated since version 2.5.0 or above of Astra Theme and will be removed in the future. Use astraGetParents() instead.' );
astraGetParents( elem, selector );
}
/**
* Toggle Class funtion
*
* @param {Node} elem The element.
* @param {String} selector Selector to match against [optional].
* @return {Array} The parent elements.
*/
var astraToggleClass = function ( el, className ) {
if ( el.classList.contains( className ) ) {
el.classList.remove( className );
} else {
el.classList.add( className );
}
};
/**
* Deprecated: Toggle Class funtion
*
* @param {Node} elem The element.
* @param {String} selector Selector to match against [optional].
* @return {Array} The parent elements.
*/
var toggleClass = function ( el, className ) {
console.warn( 'toggleClass() function has been deprecated since version 2.5.0 or above of Astra Theme and will be removed in the future. Use astraToggleClass() instead.' );
astraToggleClass( el, className );
};
// CustomEvent() constructor functionality in Internet Explorer 9 and higher.
(function () {
if (typeof window.CustomEvent === "function") return false;
function CustomEvent(event, params) {
params = params || { bubbles: false, cancelable: false, detail: undefined };
var evt = document.createEvent('CustomEvent');
evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
return evt;
}
CustomEvent.prototype = window.Event.prototype;
window.CustomEvent = CustomEvent;
})();
/**
* Trigget custom JS Event.
*
* @since 1.4.6
*
* @link https://developer.mozilla.org/en-US/docs/Web/API/CustomEvent
* @param {Node} el Dom Node element on which the event is to be triggered.
* @param {Node} typeArg A DOMString representing the name of the event.
* @param {String} A CustomEventInit dictionary, having the following fields:
* "detail", optional and defaulting to null, of type any, that is an event-dependent value associated with the event.
*/
var astraTriggerEvent = function astraTriggerEvent( el, typeArg ) {
var customEventInit =
arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
var event = new CustomEvent(typeArg, customEventInit);
el.dispatchEvent(event);
};
( function() {
var menu_toggle_all = document.querySelectorAll( '.main-header-menu-toggle' );
var menu_click_listeners = {};
/* Add break point Class and related trigger */
var updateHeaderBreakPoint = function () {
// Content overrflowing out of screen can give incorrect window.innerWidth.
// Adding overflow hidden and then calculating the window.innerWidth fixes the problem.
var originalOverflow = document.querySelector('body').style.overflow;
document.querySelector('body').style.overflow = 'hidden';
var ww = window.innerWidth;
document.querySelector('body').style.overflow = originalOverflow;
var break_point = astra.break_point,
headerWrap = document.querySelectorAll('.main-header-bar-wrap');
if (headerWrap.length > 0) {
for (var i = 0; i < headerWrap.length; i++) {
if (headerWrap[i].tagName == 'DIV' && headerWrap[i].classList.contains('main-header-bar-wrap')) {
if (ww > break_point) {
//remove menu toggled class.
if (null != menu_toggle_all[i]) {
menu_toggle_all[i].classList.remove('toggled');
}
document.body.classList.remove("ast-header-break-point");
document.body.classList.add("ast-desktop");
astraTriggerEvent(document.body, "astra-header-responsive-enabled");
} else {
document.body.classList.add("ast-header-break-point");
document.body.classList.remove("ast-desktop");
astraTriggerEvent(document.body, "astra-header-responsive-disabled")
}
}
}
}
}
updateHeaderBreakPoint();
AstraToggleSubMenu = function() {
var parent_li = this.parentNode;
if (parent_li.classList.contains('ast-submenu-expanded') && document.querySelector("header.site-header").classList.contains("ast-menu-toggle-link")) {
if (!this.classList.contains('ast-menu-toggle')) {
var link = parent_li.querySelector('a').getAttribute('href');
if ('' !== link || '#' !== link) {
window.location = link;
}
}
}
var parent_li_child = parent_li.querySelectorAll('.menu-item-has-children');
for (var j = 0; j < parent_li_child.length; j++) {
parent_li_child[j].classList.remove('ast-submenu-expanded');
var parent_li_child_sub_menu = parent_li_child[j].querySelector('.sub-menu, .children');
if( null !== parent_li_child_sub_menu ) {
parent_li_child_sub_menu.style.display = 'none';
}
}
var parent_li_sibling = parent_li.parentNode.querySelectorAll('.menu-item-has-children');
for (var j = 0; j < parent_li_sibling.length; j++) {
if (parent_li_sibling[j] != parent_li) {
parent_li_sibling[j].classList.remove('ast-submenu-expanded');
var all_sub_menu = parent_li_sibling[j].querySelectorAll('.sub-menu');
for (var k = 0; k < all_sub_menu.length; k++) {
all_sub_menu[k].style.display = 'none';
}
}
}
if (parent_li.classList.contains('menu-item-has-children') ) {
astraToggleClass(parent_li, 'ast-submenu-expanded');
if (parent_li.classList.contains('ast-submenu-expanded')) {
parent_li.querySelector('.sub-menu').style.display = 'block';
} else {
parent_li.querySelector('.sub-menu').style.display = 'none';
}
}
};
AstraNavigationMenu = function( parentList ) {
console.warn( 'AstraNavigationMenu() function has been deprecated since version 1.6.5 or above of Astra Theme and will be removed in the future.' );
};
AstraToggleMenu = function( astra_menu_toggle ) {
console.warn('AstraToggleMenu() function has been deprecated since version 1.6.5 or above of Astra Theme and will be removed in the future. Use AstraToggleSubMenu() instead.');
// Add Eventlisteners for Submenu.
if (astra_menu_toggle.length > 0) {
for (var i = 0; i < astra_menu_toggle.length; i++) {
astra_menu_toggle[i].addEventListener('click', AstraToggleSubMenu, false);
}
}
};
AstraToggleSetup = function () {
var __main_header_all = document.querySelectorAll('.main-header-bar-navigation');
if (menu_toggle_all.length > 0) {
for (var i = 0; i < menu_toggle_all.length; i++) {
menu_toggle_all[i].setAttribute('data-index', i);
if ( ! menu_click_listeners[i] ) {
menu_click_listeners[i] = menu_toggle_all[i];
menu_toggle_all[i].addEventListener('click', astraNavMenuToggle, false);
}
if ('undefined' !== typeof __main_header_all[i]) {
if (document.querySelector("header.site-header").classList.contains("ast-menu-toggle-link")) {
var astra_menu_toggle = __main_header_all[i].querySelectorAll('.ast-header-break-point .main-header-menu .menu-item-has-children > .menu-link, .ast-header-break-point ul.main-header-menu .ast-menu-toggle');
} else {
var astra_menu_toggle = __main_header_all[i].querySelectorAll('ul.main-header-menu .ast-menu-toggle');
}
// Add Eventlisteners for Submenu.
if (astra_menu_toggle.length > 0) {
for (var j = 0; j < astra_menu_toggle.length; j++) {
astra_menu_toggle[j].addEventListener('click', AstraToggleSubMenu, false);
}
}
}
}
}
};
astraNavMenuToggle = function ( event ) {
event.preventDefault();
var __main_header_all = document.querySelectorAll('.main-header-bar-navigation');
var event_index = this.getAttribute('data-index');
if ('undefined' === typeof __main_header_all[event_index]) {
return false;
}
var menuHasChildren = __main_header_all[event_index].querySelectorAll('.menu-item-has-children');
for (var i = 0; i < menuHasChildren.length; i++) {
menuHasChildren[i].classList.remove('ast-submenu-expanded');
var menuHasChildrenSubMenu = menuHasChildren[i].querySelectorAll('.sub-menu');
for (var j = 0; j < menuHasChildrenSubMenu.length; j++) {
menuHasChildrenSubMenu[j].style.display = 'none';
}
}
var menu_class = this.getAttribute('class') || '';
if ( menu_class.indexOf('main-header-menu-toggle') !== -1 ) {
astraToggleClass(__main_header_all[event_index], 'toggle-on');
astraToggleClass(menu_toggle_all[event_index], 'toggled');
if (__main_header_all[event_index].classList.contains('toggle-on')) {
__main_header_all[event_index].style.display = 'block';
document.body.classList.add("ast-main-header-nav-open");
} else {
__main_header_all[event_index].style.display = '';
document.body.classList.remove("ast-main-header-nav-open");
}
}
};
document.body.addEventListener("astra-header-responsive-enabled", function () {
var __main_header_all = document.querySelectorAll('.main-header-bar-navigation');
if (__main_header_all.length > 0) {
for (var i = 0; i < __main_header_all.length; i++) {
if (null != __main_header_all[i]) {
__main_header_all[i].classList.remove('toggle-on');
__main_header_all[i].style.display = '';
}
var sub_menu = __main_header_all[i].getElementsByClassName('sub-menu');
for (var j = 0; j < sub_menu.length; j++) {
sub_menu[j].style.display = '';
}
var child_menu = __main_header_all[i].getElementsByClassName('children');
for (var k = 0; k < child_menu.length; k++) {
child_menu[k].style.display = '';
}
var searchIcons = __main_header_all[i].getElementsByClassName('ast-search-menu-icon');
for (var l = 0; l < searchIcons.length; l++) {
searchIcons[l].classList.remove('ast-dropdown-active');
searchIcons[l].style.display = '';
}
}
}
}, false);
window.addEventListener('resize', function () {
// Skip resize event when keyboard display event triggers on devices.
if( 'INPUT' !== document.activeElement.tagName ) {
updateHeaderBreakPoint();
AstraToggleSetup();
}
});
document.addEventListener('DOMContentLoaded', function () {
AstraToggleSetup();
/**
* Navigation Keyboard Navigation.
*/
var container, count;
container = document.querySelectorAll( '.navigation-accessibility' );
for ( count = 0; count <= container.length - 1; count++ ) {
if ( container[count] ) {
navigation_accessibility( container[count] );
}
}
});
var get_browser = function () {
var ua = navigator.userAgent,tem,M = ua.match(/(opera|chrome|safari|firefox|msie|trident(?=\/))\/?\s*(\d+)/i) || [];
if(/trident/i.test(M[1])) {
tem = /\brv[ :]+(\d+)/g.exec(ua) || [];
return;
}
if( 'Chrome' === M[1] ) {
tem = ua.match(/\bOPR|Edge\/(\d+)/)
if(tem != null) {
return;
}
}
M = M[2]? [M[1], M[2]]: [navigator.appName, navigator.appVersion, '-?'];
if((tem = ua.match(/version\/(\d+)/i)) != null) {
M.splice(1,1,tem[1]);
}
var bodyElement = document.body;
if( 'Safari' === M[0] && M[1] < 11 ) {
bodyElement.classList.add( "ast-safari-browser-less-than-11" );
}
}
get_browser();
/* Search Script */
var SearchIcons = document.getElementsByClassName( 'astra-search-icon' );
for (var i = 0; i < SearchIcons.length; i++) {
SearchIcons[i].onclick = function(event) {
if ( this.classList.contains( 'slide-search' ) ) {
event.preventDefault();
var sibling = this.parentNode.parentNode.parentNode.querySelector( '.ast-search-menu-icon' );
if ( ! sibling.classList.contains( 'ast-dropdown-active' ) ) {
sibling.classList.add( 'ast-dropdown-active' );
sibling.querySelector( '.search-field' ).setAttribute('autocomplete','off');
setTimeout(function() {
sibling.querySelector( '.search-field' ).focus();
},200);
} else {
var searchTerm = sibling.querySelector( '.search-field' ).value || '';
if( '' !== searchTerm ) {
sibling.querySelector( '.search-form' ).submit();
}
sibling.classList.remove( 'ast-dropdown-active' );
}
}
}
}
/* Hide Dropdown on body click*/
document.body.onclick = function( event ) {
if ( typeof event.target.classList !== 'undefined' ) {
if ( ! event.target.classList.contains( 'ast-search-menu-icon' ) && astraGetParents( event.target, '.ast-search-menu-icon' ).length === 0 && astraGetParents( event.target, '.ast-search-icon' ).length === 0 ) {
var dropdownSearchWrap = document.getElementsByClassName( 'ast-search-menu-icon' );
for (var i = 0; i < dropdownSearchWrap.length; i++) {
dropdownSearchWrap[i].classList.remove( 'ast-dropdown-active' );
}
}
}
}
/**
* Navigation Keyboard Navigation.
*/
function navigation_accessibility( container ) {
if ( ! container ) {
return;
}
var button = container.getElementsByTagName( 'button' )[0];
if ( 'undefined' === typeof button ) {
button = container.getElementsByTagName( 'a' )[0];
if ( 'undefined' === typeof button ) {
return;
}
}
var menu = container.getElementsByTagName( 'ul' )[0];
// Hide menu toggle button if menu is empty and return early.
if ( 'undefined' === typeof menu ) {
button.style.display = 'none';
return;
}
menu.setAttribute( 'aria-expanded', 'false' );
if ( -1 === menu.className.indexOf( 'nav-menu' ) ) {
menu.className += ' nav-menu';
}
button.onclick = function() {
if ( -1 !== container.className.indexOf( 'toggled' ) ) {
container.className = container.className.replace( ' toggled', '' );
button.setAttribute( 'aria-expanded', 'false' );
menu.setAttribute( 'aria-expanded', 'false' );
} else {
container.className += ' toggled';
button.setAttribute( 'aria-expanded', 'true' );
menu.setAttribute( 'aria-expanded', 'true' );
}
};
// Get all the link elements within the menu.
var links = menu.getElementsByTagName( 'a' );
var subMenus = menu.getElementsByTagName( 'ul' );
// Set menu items with submenus to aria-haspopup="true".
for ( var i = 0, len = subMenus.length; i < len; i++ ) {
subMenus[i].parentNode.setAttribute( 'aria-haspopup', 'true' );
}
// Each time a menu link is focused or blurred, toggle focus.
for ( i = 0, len = links.length; i < len; i++ ) {
links[i].addEventListener( 'focus', toggleFocus, true );
links[i].addEventListener( 'blur', toggleBlurFocus, true );
links[i].addEventListener( 'click', toggleClose, true );
}
}
/**
* Close the Toggle Menu on Click on hash (#) link.
*
* @since 1.3.2
* @return void
*/
function toggleClose( )
{
var self = this || '',
hash = '#';
if( self && ! self.classList.contains('astra-search-icon') ) {
var link = new String( self );
if( link.indexOf( hash ) !== -1 ) {
var link_parent = self.parentNode;
if ( document.body.classList.contains('ast-header-break-point') && ! ( document.querySelector("header.site-header").classList.contains("ast-menu-toggle-link") && link_parent.classList.contains("menu-item-has-children") ) ) {
/* Close Main Header Menu */
var main_header_menu_toggle = document.querySelector( '.main-header-menu-toggle' );
main_header_menu_toggle.classList.remove( 'toggled' );
var main_header_bar_navigation = document.querySelector( '.main-header-bar-navigation' );
main_header_bar_navigation.classList.remove( 'toggle-on' );
main_header_bar_navigation.style.display = 'none';
/* Close Below Header Menu */
var before_header_menu_toggle = document.querySelector( '.menu-below-header-toggle' );
var before_header_bar_navigation = document.querySelector( '.ast-below-header' );
var before_header_bar = document.querySelector( '.ast-below-header-actual-nav' );
if ( before_header_menu_toggle && before_header_bar_navigation && before_header_bar ) {
before_header_menu_toggle.classList.remove( 'toggled' );
before_header_bar_navigation.classList.remove( 'toggle-on' );
before_header_bar.style.display = 'none';
}
/* Close After Header Menu */
var after_header_menu_toggle = document.querySelector( '.menu-above-header-toggle' );
var after_header_bar_navigation = document.querySelector( '.ast-above-header' );
var after_header_bar = document.querySelector( '.ast-above-header-navigation' );
if ( after_header_menu_toggle && after_header_bar_navigation && after_header_bar ) {
after_header_menu_toggle.classList.remove( 'toggled' );
after_header_bar_navigation.classList.remove( 'toggle-on' );
after_header_bar.style.display = 'none';
}
astraTriggerEvent( document.querySelector('body'), 'astraMenuHashLinkClicked' );
} else {
while ( -1 === self.className.indexOf( 'nav-menu' ) ) {
// On li elements toggle the class .focus.
if ( 'li' === self.tagName.toLowerCase() ) {
if ( -1 !== self.className.indexOf( 'focus' ) ) {
self.className = self.className.replace( ' focus', '' );
}
}
self = self.parentElement;
}
}
}
}
}
/**
* Sets or removes .focus class on an element on focus.
*/
function toggleFocus() {
var self = this;
// Move up through the ancestors of the current link until we hit .nav-menu.
while ( -1 === self.className.indexOf( 'nav-menu' ) ) {
// On li elements toggle the class .focus.
if ( 'li' === self.tagName.toLowerCase() ) {
if ( -1 !== self.className.indexOf( 'focus' ) ) {
self.className = self.className.replace( ' focus', '' );
} else {
self.className += ' focus';
}
}
self = self.parentElement;
}
}
/**
* Sets or removes .focus class on an element on blur.
*/
function toggleBlurFocus() {
var self = this || '',
hash = '#';
var link = new String( self );
if( link.indexOf( hash ) !== -1 && document.body.classList.contains('ast-mouse-clicked') ) {
return;
}
// Move up through the ancestors of the current link until we hit .nav-menu.
while ( -1 === self.className.indexOf( 'nav-menu' ) ) {
// On li elements toggle the class .focus.
if ( 'li' === self.tagName.toLowerCase() ) {
if ( -1 !== self.className.indexOf( 'focus' ) ) {
self.className = self.className.replace( ' focus', '' );
} else {
self.className += ' focus';
}
}
self = self.parentElement;
}
}
/* Add class if mouse clicked and remove if tab pressed */
if ( 'querySelector' in document && 'addEventListener' in window ) {
var body = document.body;
body.addEventListener( 'mousedown', function() {
body.classList.add( 'ast-mouse-clicked' );
} );
body.addEventListener( 'keydown', function() {
body.classList.remove( 'ast-mouse-clicked' );
} );
}
} )();