124 lines
4.4 KiB
JavaScript
124 lines
4.4 KiB
JavaScript
( function() {
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'use strict';
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if ( 'querySelector' in document && 'addEventListener' in window ) {
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var body = document.body,
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i;
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/**
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* Dropdown click
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*
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* @param {Object} e The event.
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* @param {Object} _this The clicked item.
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*/
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var dropdownClick = function( e, _this ) {
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e.preventDefault();
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e.stopPropagation();
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if ( ! _this ) {
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_this = this;
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}
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var closestLi = _this.closest( 'li' );
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// Close other sub-menus
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var openedSubMenus = _this.closest( 'nav' ).querySelectorAll( 'ul.toggled-on' );
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if ( openedSubMenus && ! _this.closest( 'ul' ).classList.contains( 'toggled-on' ) && ! _this.closest( 'li' ).classList.contains( 'sfHover' ) ) {
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for ( var o = 0; o < openedSubMenus.length; o++ ) {
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openedSubMenus[ o ].classList.remove( 'toggled-on' );
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openedSubMenus[ o ].closest( 'li' ).classList.remove( 'sfHover' );
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}
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}
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// Add sfHover class to parent li
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closestLi.classList.toggle( 'sfHover' );
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// Set aria-expanded on arrow
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var dropdownToggle = closestLi.querySelector( '.dropdown-menu-toggle' );
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if ( 'false' === dropdownToggle.getAttribute( 'aria-expanded' ) || ! dropdownToggle.getAttribute( 'aria-expanded' ) ) {
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dropdownToggle.setAttribute( 'aria-expanded', 'true' );
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} else {
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dropdownToggle.setAttribute( 'aria-expanded', 'false' );
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}
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if ( closestLi.querySelector( '.sub-menu' ) ) {
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var subMenuSelector = '.sub-menu';
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} else {
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subMenuSelector = '.children';
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}
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// Open the sub-menu
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if ( body.classList.contains( 'dropdown-click-menu-item' ) ) {
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_this.parentNode.querySelector( subMenuSelector ).classList.toggle( 'toggled-on' );
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} else if ( body.classList.contains( 'dropdown-click-arrow' ) ) {
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closestLi.querySelector( subMenuSelector ).classList.toggle( 'toggled-on' );
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}
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};
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// Do stuff if click dropdown if enabled
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var parentElementLinks = document.querySelectorAll( '.main-nav .menu-item-has-children > a' );
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// Open the sub-menu by clicking on the entire link element
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if ( body.classList.contains( 'dropdown-click-menu-item' ) ) {
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for ( i = 0; i < parentElementLinks.length; i++ ) {
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parentElementLinks[ i ].addEventListener( 'click', dropdownClick, true );
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}
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}
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// Open the sub-menu by clicking on a dropdown arrow
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if ( body.classList.contains( 'dropdown-click-arrow' ) ) {
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// Add a class to sub-menu items that are set to #
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for ( i = 0; i < document.querySelectorAll( '.main-nav .menu-item-has-children > a' ).length; i++ ) {
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if ( '#' === document.querySelectorAll( '.main-nav .menu-item-has-children > a' )[ i ].getAttribute( 'href' ) ) {
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document.querySelectorAll( '.main-nav .menu-item-has-children > a' )[ i ].classList.add( 'menu-item-dropdown-click' );
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}
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}
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var dropdownToggleLinks = document.querySelectorAll( '.main-nav .menu-item-has-children > a .dropdown-menu-toggle' );
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for ( i = 0; i < dropdownToggleLinks.length; i++ ) {
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dropdownToggleLinks[ i ].addEventListener( 'click', dropdownClick, false );
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dropdownToggleLinks[ i ].addEventListener( 'keydown', function( e ) {
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var _this = this;
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if ( 'Enter' === e.key ) {
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dropdownClick( e, _this );
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}
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}, false );
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}
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for ( i = 0; i < document.querySelectorAll( '.main-nav .menu-item-has-children > a.menu-item-dropdown-click' ).length; i++ ) {
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document.querySelectorAll( '.main-nav .menu-item-has-children > a.menu-item-dropdown-click' )[ i ].addEventListener( 'click', dropdownClick, false );
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}
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}
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var closeSubMenus = function() {
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if ( document.querySelector( 'nav ul .toggled-on' ) ) {
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var activeSubMenus = document.querySelectorAll( 'nav ul .toggled-on' );
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var activeDropdownToggles = document.querySelectorAll( 'nav .dropdown-menu-toggle' );
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for ( i = 0; i < activeSubMenus.length; i++ ) {
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activeSubMenus[ i ].classList.remove( 'toggled-on' );
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activeSubMenus[ i ].closest( '.sfHover' ).classList.remove( 'sfHover' );
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}
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for ( i = 0; i < activeDropdownToggles.length; i++ ) {
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activeDropdownToggles[ i ].setAttribute( 'aria-expanded', 'false' );
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}
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}
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};
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// Close sub-menus when clicking elsewhere
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document.addEventListener( 'click', function( event ) {
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if ( ! event.target.closest( '.sfHover' ) ) {
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closeSubMenus();
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}
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}, false );
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// Close sub-menus on escape key
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document.addEventListener( 'keydown', function( e ) {
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if ( 'Escape' === e.key ) { // 27 is esc
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closeSubMenus();
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}
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}, false );
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}
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}() );
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