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Diffstat (limited to '')
-rw-r--r-- | wp-includes/blocks/query-pagination-previous.php | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/wp-includes/blocks/query-pagination-previous.php b/wp-includes/blocks/query-pagination-previous.php new file mode 100644 index 0000000..fc1fee0 --- /dev/null +++ b/wp-includes/blocks/query-pagination-previous.php @@ -0,0 +1,84 @@ +<?php +/** + * Server-side rendering of the `core/query-pagination-previous` block. + * + * @package WordPress + */ + +/** + * Renders the `core/query-pagination-previous` block on the server. + * + * @param array $attributes Block attributes. + * @param string $content Block default content. + * @param WP_Block $block Block instance. + * + * @return string Returns the previous posts link for the query. + */ +function render_block_core_query_pagination_previous( $attributes, $content, $block ) { + $page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page'; + $enhanced_pagination = isset( $block->context['enhancedPagination'] ) && $block->context['enhancedPagination']; + $page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ]; + + $wrapper_attributes = get_block_wrapper_attributes(); + $show_label = isset( $block->context['showLabel'] ) ? (bool) $block->context['showLabel'] : true; + $default_label = __( 'Previous Page' ); + $label_text = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label; + $label = $show_label ? $label_text : ''; + $pagination_arrow = get_query_pagination_arrow( $block, false ); + if ( ! $label ) { + $wrapper_attributes .= ' aria-label="' . $label_text . '"'; + } + if ( $pagination_arrow ) { + $label = $pagination_arrow . $label; + } + $content = ''; + // Check if the pagination is for Query that inherits the global context + // and handle appropriately. + if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) { + $filter_link_attributes = static function () use ( $wrapper_attributes ) { + return $wrapper_attributes; + }; + + add_filter( 'previous_posts_link_attributes', $filter_link_attributes ); + $content = get_previous_posts_link( $label ); + remove_filter( 'previous_posts_link_attributes', $filter_link_attributes ); + } elseif ( 1 !== $page ) { + $content = sprintf( + '<a href="%1$s" %2$s>%3$s</a>', + esc_url( add_query_arg( $page_key, $page - 1 ) ), + $wrapper_attributes, + $label + ); + } + + if ( $enhanced_pagination && isset( $content ) ) { + $p = new WP_HTML_Tag_Processor( $content ); + if ( $p->next_tag( + array( + 'tag_name' => 'a', + 'class_name' => 'wp-block-query-pagination-previous', + ) + ) ) { + $p->set_attribute( 'data-wp-key', 'query-pagination-previous' ); + $p->set_attribute( 'data-wp-on--click', 'actions.core.query.navigate' ); + $p->set_attribute( 'data-wp-on--mouseenter', 'actions.core.query.prefetch' ); + $p->set_attribute( 'data-wp-effect', 'effects.core.query.prefetch' ); + $content = $p->get_updated_html(); + } + } + + return $content; +} + +/** + * Registers the `core/query-pagination-previous` block on the server. + */ +function register_block_core_query_pagination_previous() { + register_block_type_from_metadata( + __DIR__ . '/query-pagination-previous', + array( + 'render_callback' => 'render_block_core_query_pagination_previous', + ) + ); +} +add_action( 'init', 'register_block_core_query_pagination_previous' ); |