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1 <?php 2 /** 3 * Custom page walker for this theme. 4 * 5 * @package WordPress 6 * @subpackage Twenty_Twenty 7 * @since Twenty Twenty 1.0 8 */ 9 10 if ( ! class_exists( 'TwentyTwenty_Walker_Page' ) ) { 11 /** 12 * CUSTOM PAGE WALKER 13 * A custom walker for pages. 14 * 15 * @since Twenty Twenty 1.0 16 */ 17 class TwentyTwenty_Walker_Page extends Walker_Page { 18 19 /** 20 * Outputs the beginning of the current element in the tree. 21 * 22 * @since Twenty Twenty 1.0 23 * @since Twenty Twenty 1.9 Renamed `$page` to `$data_object` and `$current_page` to `$current_object_id` 24 * to match parent class for PHP 8 named parameter support. 25 * 26 * @see Walker::start_el() 27 * 28 * @param string $output Used to append additional content. Passed by reference. 29 * @param WP_Post $data_object Page data object. 30 * @param int $depth Optional. Depth of page. Used for padding. Default 0. 31 * @param array $args Optional. Array of arguments. Default empty array. 32 * @param int $current_object_id Optional. ID of the current page. Default 0. 33 */ 34 public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) { 35 // Restores the more descriptive, specific name for use within this method. 36 $page = $data_object; 37 $current_page_id = $current_object_id; 38 39 if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) { 40 $t = "\t"; 41 } else { 42 $t = ''; 43 } 44 if ( $depth ) { 45 $indent = str_repeat( $t, $depth ); 46 } else { 47 $indent = ''; 48 } 49 50 $css_class = array( 'page_item', 'page-item-' . $page->ID ); 51 52 if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { 53 $css_class[] = 'page_item_has_children'; 54 } 55 56 if ( ! empty( $current_page_id ) ) { 57 $_current_page = get_post( $current_page_id ); 58 if ( $_current_page && in_array( $page->ID, $_current_page->ancestors, true ) ) { 59 $css_class[] = 'current_page_ancestor'; 60 } 61 if ( $page->ID === $current_page_id ) { 62 $css_class[] = 'current_page_item'; 63 } elseif ( $_current_page && $page->ID === $_current_page->post_parent ) { 64 $css_class[] = 'current_page_parent'; 65 } 66 } elseif ( get_option( 'page_for_posts' ) === $page->ID ) { 67 $css_class[] = 'current_page_parent'; 68 } 69 70 /** This filter is documented in wp-includes/class-walker-page.php */ 71 $css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page_id ) ); 72 $css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : ''; 73 74 if ( '' === $page->post_title ) { 75 /* translators: %d: ID of a post. */ 76 $page->post_title = sprintf( __( '#%d (no title)', 'twentytwenty' ), $page->ID ); 77 } 78 79 $args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before']; 80 $args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after']; 81 82 $atts = array(); 83 $atts['href'] = get_permalink( $page->ID ); 84 $atts['aria-current'] = ( $page->ID === $current_page_id ) ? 'page' : ''; 85 86 /** This filter is documented in wp-includes/class-walker-page.php */ 87 $atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page_id ); 88 89 $attributes = ''; 90 foreach ( $atts as $attr => $value ) { 91 if ( ! empty( $value ) ) { 92 $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); 93 $attributes .= ' ' . $attr . '="' . $value . '"'; 94 } 95 } 96 97 $args['list_item_before'] = ''; 98 $args['list_item_after'] = ''; 99 100 // Wrap the link in a div and append a sub menu toggle. 101 if ( isset( $args['show_toggles'] ) && true === $args['show_toggles'] ) { 102 // Wrap the menu item link contents in a div, used for positioning. 103 $args['list_item_before'] = '<div class="ancestor-wrapper">'; 104 $args['list_item_after'] = ''; 105 106 // Add a toggle to items with children. 107 if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { 108 109 $toggle_target_string = '.menu-modal .page-item-' . $page->ID . ' > ul'; 110 $toggle_duration = twentytwenty_toggle_duration(); 111 112 // Add the sub menu toggle. 113 $args['list_item_after'] .= '<button class="toggle sub-menu-toggle fill-children-current-color" data-toggle-target="' . $toggle_target_string . '" data-toggle-type="slidetoggle" data-toggle-duration="' . absint( $toggle_duration ) . '" aria-expanded="false"><span class="screen-reader-text">' . 114 /* translators: Hidden accessibility text. */ 115 __( 'Show sub menu', 'twentytwenty' ) . 116 '</span>' . twentytwenty_get_theme_svg( 'chevron-down' ) . '</button>'; 117 118 } 119 120 // Close the wrapper. 121 $args['list_item_after'] .= '</div><!-- .ancestor-wrapper -->'; 122 } 123 124 // Add icons to menu items with children. 125 if ( isset( $args['show_sub_menu_icons'] ) && true === $args['show_sub_menu_icons'] ) { 126 if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { 127 $args['list_item_after'] = '<span class="icon"></span>'; 128 } 129 } 130 131 $output .= $indent . sprintf( 132 '<li%s>%s<a%s>%s%s%s</a>%s', 133 $css_classes, 134 $args['list_item_before'], 135 $attributes, 136 $args['link_before'], 137 /** This filter is documented in wp-includes/post-template.php */ 138 apply_filters( 'the_title', $page->post_title, $page->ID ), 139 $args['link_after'], 140 $args['list_item_after'] 141 ); 142 143 if ( ! empty( $args['show_date'] ) ) { 144 if ( 'modified' === $args['show_date'] ) { 145 $time = $page->post_modified; 146 } else { 147 $time = $page->post_date; 148 } 149 150 $date_format = empty( $args['date_format'] ) ? '' : $args['date_format']; 151 $output .= ' ' . mysql2date( $date_format, $time ); 152 } 153 } 154 } 155 }
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Generated : Tue Nov 12 08:20:01 2024 | Cross-referenced by PHPXref |