123 lines
3.7 KiB
JavaScript
123 lines
3.7 KiB
JavaScript
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/* global tortugaScreenReaderText */
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/**
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* Theme Navigation
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*
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* @package Tortuga
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*/
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(function( $ ) {
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function initNavigation( containerClass, naviClass ) {
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var container = $( containerClass );
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var navigation = $( naviClass );
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// Return early if navigation is missing.
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if ( ! navigation.length ) {
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return;
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}
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// Enable menuToggle.
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(function() {
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var menuToggle = container.find( '.menu-toggle' );
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// Return early if menuToggle is missing.
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if ( ! menuToggle.length ) {
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return;
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}
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// Add an initial value for the attribute.
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menuToggle.attr( 'aria-expanded', 'false' );
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menuToggle.on( 'click.tortuga_', function() {
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navigation.toggleClass( 'toggled-on' );
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$( this ).attr( 'aria-expanded', navigation.hasClass( 'toggled-on' ) );
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});
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})();
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// Enable dropdownToggles that displays child menu items.
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(function() {
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var dropdownToggle = $( '<button />', { 'class': 'dropdown-toggle', 'aria-expanded': false } )
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.append( tortugaScreenReaderText.icon )
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.append( $( '<span />', { 'class': 'screen-reader-text', text: tortugaScreenReaderText.expand } ) );
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navigation.find( '.menu-item-has-children > a, .page_item_has_children > a' ).after( dropdownToggle );
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// Set the active submenu dropdown toggle button initial state.
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navigation.find( '.current-menu-ancestor > button' )
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.addClass( 'toggled-on' )
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.attr( 'aria-expanded', 'true' )
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.find( '.screen-reader-text' )
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.text( tortugaScreenReaderText.collapse );
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// Set the active submenu initial state.
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navigation.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' );
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navigation.find( '.dropdown-toggle' ).click( function( e ) {
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var _this = $( this ),
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screenReaderSpan = _this.find( '.screen-reader-text' );
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e.preventDefault();
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_this.toggleClass( 'toggled-on' );
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_this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' );
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_this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' );
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screenReaderSpan.text( screenReaderSpan.text() === tortugaScreenReaderText.expand ? tortugaScreenReaderText.collapse : tortugaScreenReaderText.expand );
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} );
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})();
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// Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility.
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(function() {
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var menuList = navigation.children( 'ul.menu' );
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if ( ! menuList.length || ! menuList.children().length ) {
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return;
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}
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// Toggle `focus` class to allow submenu access on tablets.
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function toggleFocusClassTouchScreen() {
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if ( 'none' === $( '.menu-toggle' ).css( 'display' ) ) {
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$( document.body ).on( 'touchstart.tortuga_', function( e ) {
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if ( ! $( e.target ).closest( naviClass + ' li' ).length ) {
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$( naviClass + ' li' ).removeClass( 'focus' );
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}
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});
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menuList.find( '.menu-item-has-children > a, .page_item_has_children > a' )
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.on( 'touchstart.tortuga_', function( e ) {
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var el = $( this ).parent( 'li' );
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if ( ! el.hasClass( 'focus' ) ) {
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e.preventDefault();
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el.toggleClass( 'focus' );
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el.siblings( '.focus' ).removeClass( 'focus' );
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}
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});
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} else {
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menuList.find( '.menu-item-has-children > a, .page_item_has_children > a' ).unbind( 'touchstart.tortuga_' );
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}
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}
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if ( 'ontouchstart' in window ) {
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$( window ).on( 'resize.tortuga_', toggleFocusClassTouchScreen );
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toggleFocusClassTouchScreen();
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}
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menuList.find( 'a' ).on( 'focus.tortuga_ blur.tortuga_', function() {
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$( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' );
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});
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})();
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}
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// Init Main Navigation.
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initNavigation( '.primary-navigation-wrap', '.main-navigation' );
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// Init Top Navigation.
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initNavigation( '.header-bar', '.top-navigation' );
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})( jQuery );
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