155 lines
5.6 KiB
PHP
Executable File
155 lines
5.6 KiB
PHP
Executable File
<?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 Twenty Twenty 1.0
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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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* @since Twenty Twenty 1.0
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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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* @since Twenty Twenty 1.0
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* @since Twenty Twenty 1.9 Renamed `$page` to `$data_object` and `$current_page` to `$current_object_id`
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* to match parent class for PHP 8 named parameter support.
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*
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* @see Walker::start_el()
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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 $data_object 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 $current_object_id Optional. ID of the current page. Default 0.
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*/
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public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {
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// Restores the more descriptive, specific name for use within this method.
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$page = $data_object;
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$current_page_id = $current_object_id;
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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( $current_page_id ) ) {
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$_current_page = get_post( $current_page_id );
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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 === $current_page_id ) {
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$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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/** This filter is documented in wp-includes/class-walker-page.php */
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$css_classes = implode( ' ', apply_filters( 'page_css_class', $css_class, $page, $depth, $args, $current_page_id ) );
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$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 === $current_page_id ) ? 'page' : '';
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/** This filter is documented in wp-includes/class-walker-page.php */
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$atts = apply_filters( 'page_menu_link_attributes', $atts, $page, $depth, $args, $current_page_id );
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$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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