diff options
Diffstat (limited to 'srcs/wordpress/wp-content/themes/twentyseventeen/assets/js/navigation.js')
| -rw-r--r-- | srcs/wordpress/wp-content/themes/twentyseventeen/assets/js/navigation.js | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/srcs/wordpress/wp-content/themes/twentyseventeen/assets/js/navigation.js b/srcs/wordpress/wp-content/themes/twentyseventeen/assets/js/navigation.js new file mode 100644 index 0000000..f0fd652 --- /dev/null +++ b/srcs/wordpress/wp-content/themes/twentyseventeen/assets/js/navigation.js @@ -0,0 +1,109 @@ +/* global twentyseventeenScreenReaderText */ +/** + * Theme functions file. + * + * Contains handlers for navigation and widget area. + */ + +(function( $ ) { + var masthead, menuToggle, siteNavContain, siteNavigation; + + function initMainNavigation( container ) { + + // Add dropdown toggle that displays child menu items. + var dropdownToggle = $( '<button />', { 'class': 'dropdown-toggle', 'aria-expanded': false }) + .append( twentyseventeenScreenReaderText.icon ) + .append( $( '<span />', { 'class': 'screen-reader-text', text: twentyseventeenScreenReaderText.expand }) ); + + container.find( '.menu-item-has-children > a, .page_item_has_children > a' ).after( dropdownToggle ); + + // Set the active submenu dropdown toggle button initial state. + container.find( '.current-menu-ancestor > button' ) + .addClass( 'toggled-on' ) + .attr( 'aria-expanded', 'true' ) + .find( '.screen-reader-text' ) + .text( twentyseventeenScreenReaderText.collapse ); + // Set the active submenu initial state. + container.find( '.current-menu-ancestor > .sub-menu' ).addClass( 'toggled-on' ); + + container.find( '.dropdown-toggle' ).click( function( e ) { + var _this = $( this ), + screenReaderSpan = _this.find( '.screen-reader-text' ); + + e.preventDefault(); + _this.toggleClass( 'toggled-on' ); + _this.next( '.children, .sub-menu' ).toggleClass( 'toggled-on' ); + + _this.attr( 'aria-expanded', _this.attr( 'aria-expanded' ) === 'false' ? 'true' : 'false' ); + + screenReaderSpan.text( screenReaderSpan.text() === twentyseventeenScreenReaderText.expand ? twentyseventeenScreenReaderText.collapse : twentyseventeenScreenReaderText.expand ); + }); + } + + initMainNavigation( $( '.main-navigation' ) ); + + masthead = $( '#masthead' ); + menuToggle = masthead.find( '.menu-toggle' ); + siteNavContain = masthead.find( '.main-navigation' ); + siteNavigation = masthead.find( '.main-navigation > div > ul' ); + + // Enable menuToggle. + (function() { + + // Return early if menuToggle is missing. + if ( ! menuToggle.length ) { + return; + } + + // Add an initial value for the attribute. + menuToggle.attr( 'aria-expanded', 'false' ); + + menuToggle.on( 'click.twentyseventeen', function() { + siteNavContain.toggleClass( 'toggled-on' ); + + $( this ).attr( 'aria-expanded', siteNavContain.hasClass( 'toggled-on' ) ); + }); + })(); + + // Fix sub-menus for touch devices and better focus for hidden submenu items for accessibility. + (function() { + if ( ! siteNavigation.length || ! siteNavigation.children().length ) { + return; + } + + // Toggle `focus` class to allow submenu access on tablets. + function toggleFocusClassTouchScreen() { + if ( 'none' === $( '.menu-toggle' ).css( 'display' ) ) { + + $( document.body ).on( 'touchstart.twentyseventeen', function( e ) { + if ( ! $( e.target ).closest( '.main-navigation li' ).length ) { + $( '.main-navigation li' ).removeClass( 'focus' ); + } + }); + + siteNavigation.find( '.menu-item-has-children > a, .page_item_has_children > a' ) + .on( 'touchstart.twentyseventeen', function( e ) { + var el = $( this ).parent( 'li' ); + + if ( ! el.hasClass( 'focus' ) ) { + e.preventDefault(); + el.toggleClass( 'focus' ); + el.siblings( '.focus' ).removeClass( 'focus' ); + } + }); + + } else { + siteNavigation.find( '.menu-item-has-children > a, .page_item_has_children > a' ).unbind( 'touchstart.twentyseventeen' ); + } + } + + if ( 'ontouchstart' in window ) { + $( window ).on( 'resize.twentyseventeen', toggleFocusClassTouchScreen ); + toggleFocusClassTouchScreen(); + } + + siteNavigation.find( 'a' ).on( 'focus.twentyseventeen blur.twentyseventeen', function() { + $( this ).parents( '.menu-item, .page_item' ).toggleClass( 'focus' ); + }); + })(); +})( jQuery ); |
