Edit file File name : style.js Content :/** * 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); }; /** * Scroll to ID/Top with smooth scroll behavior. * * @since x.x.x * * @param {Event} e Event which is been fired. * @param {String} top offset from top. */ astraSmoothScroll = function astraSmoothScroll( e, top ) { e.preventDefault(); window.scrollTo({ top: top, left: 0, behavior: 'smooth' }); }; /** * Scroll to Top trigger visibility adjustments. * * @since x.x.x * * @param {Node} masthead Page header. * @param {Node} astScrollTop Scroll to Top selector. */ astScrollToTopHandler = function ( masthead, astScrollTop ) { var content = getComputedStyle(astScrollTop).content, device = astScrollTop.dataset.onDevices; content = content.replace( /[^0-9]/g, '' ); if( 'both' == device || ( 'desktop' == device && '769' == content ) || ( 'mobile' == device && '' == content ) ) { // Get current window / document scroll. var scrollTop = window.pageYOffset || document.body.scrollTop; // If masthead found. if( masthead && masthead.length ) { if (scrollTop > masthead.offsetHeight + 100) { astScrollTop.style.display = "block"; } else { astScrollTop.style.display = "none"; } } else { // If there is no masthead set default start scroll if ( window.pageYOffset > 300 ) { astScrollTop.style.display = "block"; } else { astScrollTop.style.display = "none"; } } } else { astScrollTop.style.display = "none"; } }; ( function() { var menu_toggle_all = document.querySelectorAll( '.main-header-menu-toggle' ); var menu_click_listeners_nav = {}; /* 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_nav[i] ) { menu_click_listeners_nav[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' ); } } } } var SearchInputs = document.querySelectorAll( '.search-field' ); SearchInputs.forEach(input => { input.addEventListener('focus', function (e) { var sibling = this.parentNode.parentNode.parentNode.querySelector( '.ast-search-menu-icon' ); astraToggleClass( sibling, 'ast-dropdown-active' ); }); input.addEventListener('blur', function (e) { var sibling = this.parentNode.parentNode.parentNode.querySelector( '.ast-search-menu-icon' ); sibling.classList.remove( 'ast-dropdown-active' ); astraToggleClass( sibling, '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 = 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 and its ancestors until a specific class is found. * @param {Element} element - The element to apply the .focus class and traverse its ancestors. * @param {string} targetClass - The class name to search for in the ancestors. */ function toggleFocusAndAncestors(element, targetClass) { while (-1 === element.className.indexOf(targetClass)) { if ('li' === element.tagName.toLowerCase()) { if (element.classList.contains('focus')) { element.classList.remove('focus'); } else { element.classList.add('focus'); } } element = element.parentElement; } } /** * Sets or removes .focus class on an element on focus. */ function toggleFocus() { var self = this; toggleFocusAndAncestors(self, 'nav-menu'); } /** * Sets or removes .focus class on an element on blur. */ function toggleBlurFocus() { var self = this || '', hash = '#'; var link = String(self); if (link.includes(hash) && document.body.classList.contains('ast-mouse-clicked')) { return; } toggleFocusAndAncestors(self, 'nav-menu'); } /* 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' ); } ); } /** * Scroll to specific hash link. * * @since x.x.x */ if ( astra.is_scroll_to_id ) { // Calculate the offset top of an element, accounting for nested elements. const getOffsetTop = (element) => { let offsetTop = 0; while (element) { offsetTop += element.offsetTop; element = element.offsetParent; } return offsetTop; } const scrollToIDHandler = (e) => { let offset = 0; const siteHeader = document.querySelector('.site-header'); if (siteHeader) { //Check and add offset to scroll top if header is sticky. const headerHeight = siteHeader.querySelectorAll('div[data-stick-support]'); if (headerHeight) { headerHeight.forEach(single => { offset += single.clientHeight; }); } const href = e.target.closest('a').hash; if (href) { const scrollId = document.querySelector(href); if (scrollId) { const scrollOffsetTop = getOffsetTop(scrollId) - offset; if( scrollOffsetTop ) { astraSmoothScroll( e, scrollOffsetTop ); } } } } } let hashLinks = []; const links = document.querySelectorAll( 'a[href*="#"]:not([href="#"]):not([href="#0"]):not([href*="uagb-tab"]):not(.uagb-toc-link__trigger):not(.skip-link):not(.nav-links a):not([href*="tab-"])' ); if (links) { for (const link of links) { if (link.href.split("#")[0] !== location.href.split("#")[0]) { // Store the hash hashLinks.push({ hash: link.hash, url: link.href.split("#")[0], }); } else if (link.hash !== "") { link.addEventListener("click", scrollToIDHandler); } } } window.addEventListener('DOMContentLoaded', (event) => { for (let link of hashLinks) { if (window.location.href.split('#')[0] === link.url) { const siteHeader = document.querySelector('.site-header'); let offset = 0; // Check and add offset to scroll top if header is sticky. const headerHeight = siteHeader.querySelectorAll('div[data-stick-support]'); if (headerHeight) { headerHeight.forEach(single => { offset += single.clientHeight; }); } const scrollId = document.querySelector(link.hash); if (scrollId) { const scrollOffsetTop = getOffsetTop(scrollId) - offset; if (scrollOffsetTop) { astraSmoothScroll(event, scrollOffsetTop); } } } } }); } /** * Scroll to top. * * @since x.x.x */ if ( astra.is_scroll_to_top ) { var masthead = document.querySelector( '#page header' ); var astScrollTop = document.getElementById( 'ast-scroll-top' ); astScrollToTopHandler(masthead, astScrollTop); window.addEventListener('scroll', function () { astScrollToTopHandler(masthead, astScrollTop); }); astScrollTop.onclick = function(e){ astraSmoothScroll( e, 0 ); }; } } )(); Save