MAINHACK

Viewing / Editing File: scripts-navigation.js

/**
 * Accessible navigation
 *
 * @link  http://a11yproject.com/
 * @link  https://codeable.io/community/wordpress-accessibility-creating-accessible-dropdown-menus/
 *
 * @package    Auberge
 * @copyright  WebMan Design, Oliver Juhas
 *
 * @since    1.4.8
 * @version  2.9.0
 */

( function( $ ) {

'use strict';

/**
	 * Variables
	 */

var
			$aubergeSiteNavigation   = $( document.getElementById( 'site-navigation' ) ),
			$aubergeSiteMenuPrimary  = $( document.getElementById( 'menu-primary' ) ),
			$aubergeMenuToggleButton = $( document.getElementById( 'menu-toggle' ) );

/**
	 * Setting `.focus` class for menu parent
	 */

$aubergeSiteNavigation
			.on( 'focus.aria mouseenter.aria', '.menu-item-has-children', function ( e ) {

// Processing

$( e.currentTarget )
						.addClass( 'focus' );

} );

$aubergeSiteNavigation
			.on( 'blur.aria mouseleave.aria', '.menu-item-has-children', function ( e ) {

// Processing

$( e.currentTarget )
						.removeClass( 'focus' );

} );

/**
	 * Touch-enabled
	 */

$aubergeSiteNavigation
			.on( 'touchstart', '.menu-item-has-children > a', function( e ) {

// Variables

var
						el = $( this ).parent( 'li' );

// Processing

/**
					 * First touch does not trigger the link, only opens the submenu.
					 * Second touch does trigger the link.
					 */
					if ( ! el.hasClass( 'focus' ) ) {
						e.preventDefault();

el
							.toggleClass( 'focus' )
							.siblings( '.focus' )
								.removeClass( 'focus' );
					}

} );

/**
	 * Mobile navigation
	 */

/**
		 * Mobile menu actions
		 */
		function aubergeMobileMenuActions() {

// Processing

if ( ! $aubergeSiteNavigation.hasClass( 'active' ) ) {

$aubergeSiteMenuPrimary
						.attr( 'aria-hidden', 'true' );

$aubergeMenuToggleButton
						.attr( 'aria-expanded', 'false' );

}

$aubergeSiteNavigation
					.on( 'keydown', function( e ) {

// Processing

if ( e.which === 27 ) {

// ESC key

e.preventDefault();

$aubergeSiteNavigation
										.removeClass( 'active' );

$aubergeSiteMenuPrimary
										.attr( 'aria-hidden', 'true' );

$aubergeMenuToggleButton
										.focus();

}

} );

} // /aubergeMobileMenuActions

// Default mobile menu setup

if ( 880 >= window.innerWidth ) {

$aubergeSiteNavigation
					.removeClass( 'active' );

aubergeMobileMenuActions();

}

// Clicking the menu toggle button

$aubergeMenuToggleButton
				.on( 'click', function( e ) {

// Processing

e.preventDefault();

$aubergeSiteNavigation
							.toggleClass( 'active' );

if ( $aubergeSiteNavigation.hasClass( 'active' ) ) {

$aubergeSiteMenuPrimary
								.attr( 'aria-hidden', 'false' );

$aubergeMenuToggleButton
								.attr( 'aria-expanded', 'true' );

$( 'html, body' )
								.stop()
								.animate( { scrollTop : '0px' }, 0 );

} else {

$aubergeSiteMenuPrimary
								.attr( 'aria-hidden', 'true' );

$aubergeMenuToggleButton
								.attr( 'aria-expanded', 'false' );

}

} );

// Refocus to menu toggle button once the end of the menu is reached

$aubergeSiteNavigation
				.on( 'focus.aria', '.menu-toggle-skip-link', function( e ) {

// Processing

$aubergeMenuToggleButton
							.focus();

} );

// Disable mobile navigation on wider screens

$( window )
				.on( 'resize orientationchange', function( e ) {

// Processing

if ( 880 < window.innerWidth ) {

// On desktops

$aubergeSiteNavigation
								.removeClass( 'active' );

$aubergeSiteMenuPrimary
								.attr( 'aria-hidden', 'false' );

$aubergeMenuToggleButton
								.attr( 'aria-expanded', 'true' );

} else {

// On mobiles

aubergeMobileMenuActions();

}

} );

} )( jQuery );

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