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<?php /** * Custom page walker for this theme. * * @package WordPress * @subpackage Twenty_Twenty * @since Twenty Twenty 1.0 / if ( ! class_exists( 'TwentyTwenty_Walker_Page' ) ) { /* * CUSTOM PAGE WALKER * A custom walker for pages. / class TwentyTwenty_Walker_Page extends Walker_Page { /* * Outputs the beginning of the current element in the tree. * * @see Walker::start_el() * @since 2.1.0 * * @param string $output Used to append additional content. Passed by reference. * @param WP_Post $page Page data object. * @param int $depth Optional. Depth of page. Used for padding. Default 0. * @param array $args Optional. Array of arguments. Default empty array. * @param int $current_page Optional. Page ID. Default 0. / public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) { if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) { $t = "\t"; $n = "\n"; } else { $t = ''; $n = ''; } if ( $depth ) { $indent = str_repeat( $t, $depth ); } else { $indent = ''; } $css_class = array( 'page_item', 'page-item-' . $page->ID ); if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { $css_class[] = 'page_item_has_children'; } if ( ! empty( $current_page ) ) { $_current_page = get_post( $current_page ); if ( $_current_page && in_array( $page->ID, $_current_page->ancestors, true ) ) { $css_class[] = 'current_page_ancestor'; } if ( $page->ID === $current_page ) { $css_class[] = 'current_page_item'; } elseif ( $_current_page && $page->ID === $_current_page->post_parent ) { $css_class[] = 'current_page_parent'; } } elseif ( get_option( 'page_for_posts' ) === $page->ID ) { $css_class[] = 'current_page_parent'; } /* This filter is documented in wp-includes/class-walker-page.php / $css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) ); $css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : ''; if ( '' === $page->post_title ) { / translators: %d: ID of a post. / $page->post_title = sprintf( __( '#%d (no title)', 'twentytwenty' ), $page->ID ); } $args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before']; $args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after']; $atts = array(); $atts['href'] = get_permalink( $page->ID ); $atts['aria-current'] = ( $page->ID === $current_page ) ? 'page' : ''; /* This filter is documented in wp-includes/class-walker-page.php / $atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page ); $attributes = ''; foreach ( $atts as $attr => $value ) { if ( ! empty( $value ) ) { $value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); $attributes .= ' ' . $attr . '="' . $value . '"'; } } $args['list_item_before'] = ''; $args['list_item_after'] = ''; // Wrap the link in a div and append a sub menu toggle. if ( isset( $args['show_toggles'] ) && true === $args['show_toggles'] ) { // Wrap the menu item link contents in a div, used for positioning. $args['list_item_before'] = '<div class="ancestor-wrapper">'; $args['list_item_after'] = ''; // Add a toggle to items with children. if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { $toggle_target_string = '.menu-modal .page-item-' . $page->ID . ' > ul'; $toggle_duration = twentytwenty_toggle_duration(); // Add the sub menu toggle. $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">' . __( 'Show sub menu', 'twentytwenty' ) . '</span>' . twentytwenty_get_theme_svg( 'chevron-down' ) . '</button>'; } // Close the wrapper. $args['list_item_after'] .= '</div><!-- .ancestor-wrapper -->'; } // Add icons to menu items with children. if ( isset( $args['show_sub_menu_icons'] ) && true === $args['show_sub_menu_icons'] ) { if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { $args['list_item_after'] = '<span class="icon"></span>'; } } $output .= $indent . sprintf( '<li%s>%s<a%s>%s%s%s</a>%s', $css_classes, $args['list_item_before'], $attributes, $args['link_before'], /* This filter is documented in wp-includes/post-template.php */ apply_filters( 'the_title', $page->post_title, $page->ID ), $args['link_after'], $args['list_item_after'] ); if ( ! empty( $args['show_date'] ) ) { if ( 'modified' === $args['show_date'] ) { $time = $page->post_modified; } else { $time = $page->post_date; } $date_format = empty( $args['date_format'] ) ? '' : $args['date_format']; $output .= ' ' . mysql2date( $date_format, $time ); } } } }