85 lines
3.1 KiB
PHP
85 lines
3.1 KiB
PHP
<?php
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/**
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* Server-side rendering of the `core/query-pagination-previous` block.
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*
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* @package WordPress
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*/
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/**
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* Renders the `core/query-pagination-previous` 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 previous posts link for the query.
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*/
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function render_block_core_query_pagination_previous( $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[ $page_key ];
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$wrapper_attributes = get_block_wrapper_attributes();
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$show_label = isset( $block->context['showLabel'] ) ? (bool) $block->context['showLabel'] : true;
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$default_label = __( 'Previous Page' );
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$label_text = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
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$label = $show_label ? $label_text : '';
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$pagination_arrow = get_query_pagination_arrow( $block, false );
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if ( ! $label ) {
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$wrapper_attributes .= ' aria-label="' . $label_text . '"';
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}
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if ( $pagination_arrow ) {
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$label = $pagination_arrow . $label;
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}
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$content = '';
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// Check if the pagination is for Query that inherits the global context
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// and handle appropriately.
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if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
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$filter_link_attributes = static function () use ( $wrapper_attributes ) {
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return $wrapper_attributes;
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};
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add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
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$content = get_previous_posts_link( $label );
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remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
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} elseif ( 1 !== $page ) {
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$content = sprintf(
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'<a href="%1$s" %2$s>%3$s</a>',
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esc_url( add_query_arg( $page_key, $page - 1 ) ),
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$wrapper_attributes,
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$label
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);
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}
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if ( $enhanced_pagination && isset( $content ) ) {
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$p = new WP_HTML_Tag_Processor( $content );
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if ( $p->next_tag(
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array(
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'tag_name' => 'a',
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'class_name' => 'wp-block-query-pagination-previous',
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)
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) ) {
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$p->set_attribute( 'data-wp-key', 'query-pagination-previous' );
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$p->set_attribute( 'data-wp-on--click', 'actions.core.query.navigate' );
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$p->set_attribute( 'data-wp-on--mouseenter', 'actions.core.query.prefetch' );
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$p->set_attribute( 'data-wp-effect', 'effects.core.query.prefetch' );
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$content = $p->get_updated_html();
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}
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}
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return $content;
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}
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/**
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* Registers the `core/query-pagination-previous` block on the server.
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*/
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function register_block_core_query_pagination_previous() {
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register_block_type_from_metadata(
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__DIR__ . '/query-pagination-previous',
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array(
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'render_callback' => 'render_block_core_query_pagination_previous',
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)
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);
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}
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add_action( 'init', 'register_block_core_query_pagination_previous' );
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