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<?php |
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/** |
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* Server-side rendering of the `core/file` 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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* When the `core/file` block is rendering, check if we need to enqueue the `wp-block-file-view` script. |
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* |
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* @since 5.8.0 |
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* |
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* @param array $attributes The block attributes. |
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* @param string $content The block content. |
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* @param WP_Block $block The parsed block. |
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* |
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* @return string Returns the block content. |
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*/ |
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function gutenberg_render_block_core_file( $attributes, $content ) { |
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// If it's interactive, enqueue the script module and add the directives. |
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if ( ! empty( $attributes['displayPreview'] ) ) { |
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$suffix = wp_scripts_get_suffix(); |
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if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) { |
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$module_url = gutenberg_url( '/build/interactivity/file.min.js' ); |
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} |
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|
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wp_register_script_module( |
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'@wordpress/block-library/file', |
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isset( $module_url ) ? $module_url : includes_url( "blocks/file/view{$suffix}.js" ), |
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array( '@wordpress/interactivity' ), |
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defined( 'GUTENBERG_VERSION' ) ? GUTENBERG_VERSION : get_bloginfo( 'version' ) |
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); |
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wp_enqueue_script_module( '@wordpress/block-library/file' ); |
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|
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$processor = new WP_HTML_Tag_Processor( $content ); |
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$processor->next_tag(); |
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$processor->set_attribute( 'data-wp-interactive', 'core/file' ); |
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$processor->next_tag( 'object' ); |
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$processor->set_attribute( 'data-wp-bind--hidden', '!state.hasPdfPreview' ); |
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$processor->set_attribute( 'hidden', true ); |
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|
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$filename = $processor->get_attribute( 'aria-label' ); |
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$has_filename = ! empty( $filename ) && 'PDF embed' !== $filename; |
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$label = $has_filename ? sprintf( |
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/* translators: %s: filename. */ |
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__( 'Embed of %s.' ), |
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$filename |
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) : __( 'PDF embed' ); |
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|
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// Update object's aria-label attribute if present in block HTML. |
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// Match an aria-label attribute from an object tag. |
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$processor->set_attribute( 'aria-label', $label ); |
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|
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return $processor->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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/** |
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* Registers the `core/file` block on server. |
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* |
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* @since 5.8.0 |
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*/ |
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function gutenberg_register_block_core_file() { |
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register_block_type_from_metadata( |
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__DIR__ . '/file', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_file', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_file', 20 ); |
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|
