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173 lines
6.0 KiB
173 lines
6.0 KiB
<?php |
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/** |
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* Custom page walker for this theme. |
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* |
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* @package WordPress |
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* @subpackage Twenty_Twenty |
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* @since 1.0.0 |
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*/ |
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if ( ! class_exists( 'TwentyTwenty_Walker_Page' ) ) { |
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/** |
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* CUSTOM PAGE WALKER |
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* A custom walker for pages. |
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*/ |
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class TwentyTwenty_Walker_Page extends Walker_Page { |
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/** |
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* Outputs the beginning of the current element in the tree. |
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* |
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* @see Walker::start_el() |
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* @since 2.1.0 |
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* |
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* @param string $output Used to append additional content. Passed by reference. |
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* @param WP_Post $page Page data object. |
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* @param int $depth Optional. Depth of page. Used for padding. Default 0. |
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* @param array $args Optional. Array of arguments. Default empty array. |
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* @param int $current_page Optional. Page ID. Default 0. |
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*/ |
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public function start_el( &$output, $page, $depth = 0, $args = array(), $current_page = 0 ) { |
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if ( isset( $args['item_spacing'] ) && 'preserve' === $args['item_spacing'] ) { |
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$t = "\t"; |
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$n = "\n"; |
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} else { |
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$t = ''; |
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$n = ''; |
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} |
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if ( $depth ) { |
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$indent = str_repeat( $t, $depth ); |
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} else { |
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$indent = ''; |
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} |
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$css_class = array( 'page_item', 'page-item-' . $page->ID ); |
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if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { |
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$css_class[] = 'page_item_has_children'; |
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} |
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if ( ! empty( $current_page ) ) { |
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$_current_page = get_post( $current_page ); |
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if ( $_current_page && in_array( $page->ID, $_current_page->ancestors, true ) ) { |
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$css_class[] = 'current_page_ancestor'; |
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} |
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if ( $page->ID === $current_page ) { |
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$css_class[] = 'current_page_item'; |
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} elseif ( $_current_page && $page->ID === $_current_page->post_parent ) { |
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$css_class[] = 'current_page_parent'; |
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} |
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} elseif ( get_option( 'page_for_posts' ) === $page->ID ) { |
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$css_class[] = 'current_page_parent'; |
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} |
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/** |
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* Filters the list of CSS classes to include with each page item in the list. |
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* |
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* @since 2.8.0 |
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* |
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* @see wp_list_pages() |
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* |
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* @param string[] $css_class An array of CSS classes to be applied to each list item. |
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* @param WP_Post $page Page data object. |
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* @param int $depth Depth of page, used for padding. |
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* @param array $args An array of arguments. |
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* @param int $current_page ID of the current page. |
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*/ |
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$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page ) ); |
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$css_classes = $css_classes ? ' class="' . esc_attr( $css_classes ) . '"' : ''; |
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if ( '' === $page->post_title ) { |
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/* translators: %d: ID of a post */ |
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$page->post_title = sprintf( __( '#%d (no title)', 'twentytwenty' ), $page->ID ); |
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} |
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$args['link_before'] = empty( $args['link_before'] ) ? '' : $args['link_before']; |
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$args['link_after'] = empty( $args['link_after'] ) ? '' : $args['link_after']; |
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$atts = array(); |
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$atts['href'] = get_permalink( $page->ID ); |
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$atts['aria-current'] = ( $page->ID === $current_page ) ? 'page' : ''; |
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/** |
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* Filters the HTML attributes applied to a page menu item's anchor element. |
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* |
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* @since 4.8.0 |
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* |
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* @param array $atts { |
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* The HTML attributes applied to the menu item's `<a>` element, empty strings are ignored. |
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* |
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* @type string $href The href attribute. |
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* @type string $aria_current The aria-current attribute. |
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* } |
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* @param WP_Post $page Page data object. |
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* @param int $depth Depth of page, used for padding. |
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* @param array $args An array of arguments. |
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* @param int $current_page ID of the current page. |
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*/ |
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$atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page ); |
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$attributes = ''; |
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foreach ( $atts as $attr => $value ) { |
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if ( ! empty( $value ) ) { |
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$value = ( 'href' === $attr ) ? esc_url( $value ) : esc_attr( $value ); |
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$attributes .= ' ' . $attr . '="' . $value . '"'; |
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} |
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} |
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$args['list_item_before'] = ''; |
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$args['list_item_after'] = ''; |
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// Wrap the link in a div and append a sub menu toggle. |
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if ( isset( $args['show_toggles'] ) && true === $args['show_toggles'] ) { |
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// Wrap the menu item link contents in a div, used for positioning. |
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$args['list_item_before'] = '<div class="ancestor-wrapper">'; |
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$args['list_item_after'] = ''; |
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// Add a toggle to items with children. |
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if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { |
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$toggle_target_string = '.menu-modal .page-item-' . $page->ID . ' > ul'; |
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$toggle_duration = twentytwenty_toggle_duration(); |
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// Add the sub menu toggle. |
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$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( $toggle_duration ) . '" aria-expanded="false"><span class="screen-reader-text">' . __( 'Show sub menu', 'twentytwenty' ) . '</span>' . twentytwenty_get_theme_svg( 'chevron-down' ) . '</button>'; |
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} |
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// Close the wrapper. |
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$args['list_item_after'] .= '</div><!-- .ancestor-wrapper -->'; |
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} |
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// Add icons to menu items with children. |
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if ( isset( $args['show_sub_menu_icons'] ) && true === $args['show_sub_menu_icons'] ) { |
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if ( isset( $args['pages_with_children'][ $page->ID ] ) ) { |
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$args['list_item_after'] = '<span class="icon"></span>'; |
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} |
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} |
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$output .= $indent . sprintf( |
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'<li%s>%s<a%s>%s%s%s</a>%s', |
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$css_classes, |
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$args['list_item_before'], |
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$attributes, |
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$args['link_before'], |
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/** This filter is documented in wp-includes/post-template.php */ |
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apply_filters( 'the_title', $page->post_title, $page->ID ), |
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$args['link_after'], |
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$args['list_item_after'] |
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); |
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if ( ! empty( $args['show_date'] ) ) { |
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if ( 'modified' === $args['show_date'] ) { |
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$time = $page->post_modified; |
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} else { |
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$time = $page->post_date; |
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} |
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$date_format = empty( $args['date_format'] ) ? '' : $args['date_format']; |
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$output .= ' ' . mysql2date( $date_format, $time ); |
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} |
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} |
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} |
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}
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