128 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			128 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| /**
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|  * Server-side rendering of the `core/query-pagination-numbers` block.
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|  *
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|  * @package WordPress
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|  */
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| 
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| /**
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|  * Renders the `core/query-pagination-numbers` block on the server.
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|  *
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|  * @param array    $attributes Block attributes.
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|  * @param string   $content    Block default content.
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|  * @param WP_Block $block      Block instance.
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|  *
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|  * @return string Returns the pagination numbers for the Query.
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|  */
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| function render_block_core_query_pagination_numbers( $attributes, $content, $block ) {
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| 	$page_key            = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
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| 	$enhanced_pagination = isset( $block->context['enhancedPagination'] ) && $block->context['enhancedPagination'];
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| 	$page                = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];
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| 	$max_page            = isset( $block->context['query']['pages'] ) ? (int) $block->context['query']['pages'] : 0;
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| 
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| 	$wrapper_attributes = get_block_wrapper_attributes();
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| 	$content            = '';
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| 	global $wp_query;
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| 	$mid_size = isset( $block->attributes['midSize'] ) ? (int) $block->attributes['midSize'] : null;
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| 	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
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| 		// Take into account if we have set a bigger `max page`
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| 		// than what the query has.
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| 		$total         = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
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| 		$paginate_args = array(
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| 			'prev_next' => false,
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| 			'total'     => $total,
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| 		);
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| 		if ( null !== $mid_size ) {
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| 			$paginate_args['mid_size'] = $mid_size;
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| 		}
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| 		$content = paginate_links( $paginate_args );
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| 	} else {
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| 		$block_query = new WP_Query( build_query_vars_from_query_block( $block, $page ) );
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| 		// `paginate_links` works with the global $wp_query, so we have to
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| 		// temporarily switch it with our custom query.
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| 		$prev_wp_query = $wp_query;
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| 		$wp_query      = $block_query;
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| 		$total         = ! $max_page || $max_page > $wp_query->max_num_pages ? $wp_query->max_num_pages : $max_page;
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| 		$paginate_args = array(
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| 			'base'      => '%_%',
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| 			'format'    => "?$page_key=%#%",
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| 			'current'   => max( 1, $page ),
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| 			'total'     => $total,
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| 			'prev_next' => false,
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| 		);
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| 		if ( null !== $mid_size ) {
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| 			$paginate_args['mid_size'] = $mid_size;
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| 		}
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| 		if ( 1 !== $page ) {
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| 			/**
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| 			 * `paginate_links` doesn't use the provided `format` when the page is `1`.
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| 			 * This is great for the main query as it removes the extra query params
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| 			 * making the URL shorter, but in the case of multiple custom queries is
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| 			 * problematic. It results in returning an empty link which ends up with
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| 			 * a link to the current page.
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| 			 *
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| 			 * A way to address this is to add a `fake` query arg with no value that
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| 			 * is the same for all custom queries. This way the link is not empty and
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| 			 * preserves all the other existent query args.
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| 			 *
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| 			 * @see https://developer.wordpress.org/reference/functions/paginate_links/
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| 			 *
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| 			 * The proper fix of this should be in core. Track Ticket:
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| 			 * @see https://core.trac.wordpress.org/ticket/53868
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| 			 *
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| 			 * TODO: After two WP versions (starting from the WP version the core patch landed),
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| 			 * we should remove this and call `paginate_links` with the proper new arg.
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| 			 */
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| 			$paginate_args['add_args'] = array( 'cst' => '' );
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| 		}
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| 		// We still need to preserve `paged` query param if exists, as is used
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| 		// for Queries that inherit from global context.
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| 		$paged = empty( $_GET['paged'] ) ? null : (int) $_GET['paged'];
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| 		if ( $paged ) {
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| 			$paginate_args['add_args'] = array( 'paged' => $paged );
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| 		}
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| 		$content = paginate_links( $paginate_args );
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| 		wp_reset_postdata(); // Restore original Post Data.
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| 		$wp_query = $prev_wp_query;
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| 	}
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| 
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| 	if ( empty( $content ) ) {
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| 		return '';
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| 	}
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| 
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| 	if ( $enhanced_pagination ) {
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| 		$p         = new WP_HTML_Tag_Processor( $content );
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| 		$tag_index = 0;
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| 		while ( $p->next_tag(
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| 			array( 'class_name' => 'page-numbers' )
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| 		) ) {
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| 			if ( null === $p->get_attribute( 'data-wp-key' ) ) {
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| 				$p->set_attribute( 'data-wp-key', 'index-' . $tag_index++ );
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| 			}
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| 			if ( 'A' === $p->get_tag() ) {
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| 				$p->set_attribute( 'data-wp-on--click', 'core/query::actions.navigate' );
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| 			}
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| 		}
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| 		$content = $p->get_updated_html();
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| 	}
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| 
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| 	return sprintf(
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| 		'<div %1$s>%2$s</div>',
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| 		$wrapper_attributes,
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| 		$content
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| 	);
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| }
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| 
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| /**
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|  * Registers the `core/query-pagination-numbers` block on the server.
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|  */
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| function register_block_core_query_pagination_numbers() {
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| 	register_block_type_from_metadata(
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| 		__DIR__ . '/query-pagination-numbers',
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| 		array(
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| 			'render_callback' => 'render_block_core_query_pagination_numbers',
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| 		)
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| 	);
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| }
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| add_action( 'init', 'register_block_core_query_pagination_numbers' );
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