99 lines
3.4 KiB
PHP
99 lines
3.4 KiB
PHP
<?php
|
|
/**
|
|
* Server-side rendering of the `core/file` block.
|
|
*
|
|
* @package WordPress
|
|
*/
|
|
|
|
if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN ) {
|
|
/**
|
|
* Replaces view script for the File block with version using Interactivity API.
|
|
*
|
|
* @param array $metadata Block metadata as read in via block.json.
|
|
*
|
|
* @return array Filtered block type metadata.
|
|
*/
|
|
function gutenberg_block_core_file_update_interactive_view_script( $metadata ) {
|
|
if ( 'core/file' === $metadata['name'] ) {
|
|
$metadata['viewScript'] = array( 'file:./interactivity.min.js' );
|
|
}
|
|
return $metadata;
|
|
}
|
|
add_filter( 'block_type_metadata', 'gutenberg_block_core_file_update_interactive_view_script', 10, 1 );
|
|
}
|
|
|
|
/**
|
|
* When the `core/file` block is rendering, check if we need to enqueue the `'wp-block-file-view` script.
|
|
*
|
|
* @param array $attributes The block attributes.
|
|
* @param string $content The block content.
|
|
* @param WP_Block $block The parsed block.
|
|
*
|
|
* @return string Returns the block content.
|
|
*/
|
|
function render_block_core_file( $attributes, $content, $block ) {
|
|
$should_load_view_script = ! empty( $attributes['displayPreview'] );
|
|
$view_js_file = 'wp-block-file-view';
|
|
// If the script already exists, there is no point in removing it from viewScript.
|
|
if ( ! wp_script_is( $view_js_file ) ) {
|
|
$script_handles = $block->block_type->view_script_handles;
|
|
|
|
// If the script is not needed, and it is still in the `view_script_handles`, remove it.
|
|
if ( ! $should_load_view_script && in_array( $view_js_file, $script_handles, true ) ) {
|
|
$block->block_type->view_script_handles = array_diff( $script_handles, array( $view_js_file ) );
|
|
}
|
|
// If the script is needed, but it was previously removed, add it again.
|
|
if ( $should_load_view_script && ! in_array( $view_js_file, $script_handles, true ) ) {
|
|
$block->block_type->view_script_handles = array_merge( $script_handles, array( $view_js_file ) );
|
|
}
|
|
}
|
|
|
|
// Update object's aria-label attribute if present in block HTML.
|
|
|
|
// Match an aria-label attribute from an object tag.
|
|
$pattern = '@<object.+(?<attribute>aria-label="(?<filename>[^"]+)?")@i';
|
|
$content = preg_replace_callback(
|
|
$pattern,
|
|
static function ( $matches ) {
|
|
$filename = ! empty( $matches['filename'] ) ? $matches['filename'] : '';
|
|
$has_filename = ! empty( $filename ) && 'PDF embed' !== $filename;
|
|
$label = $has_filename ?
|
|
sprintf(
|
|
/* translators: %s: filename. */
|
|
__( 'Embed of %s.' ),
|
|
$filename
|
|
)
|
|
: __( 'PDF embed' );
|
|
|
|
return str_replace( $matches['attribute'], sprintf( 'aria-label="%s"', $label ), $matches[0] );
|
|
},
|
|
$content
|
|
);
|
|
|
|
// If it uses the Interactivity API, add the directives.
|
|
if ( defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN && $should_load_view_script ) {
|
|
$processor = new WP_HTML_Tag_Processor( $content );
|
|
$processor->next_tag();
|
|
$processor->set_attribute( 'data-wp-interactive', '' );
|
|
$processor->next_tag( 'object' );
|
|
$processor->set_attribute( 'data-wp-bind--hidden', '!selectors.core.file.hasPdfPreview' );
|
|
$processor->set_attribute( 'hidden', true );
|
|
return $processor->get_updated_html();
|
|
}
|
|
|
|
return $content;
|
|
}
|
|
|
|
/**
|
|
* Registers the `core/file` block on server.
|
|
*/
|
|
function register_block_core_file() {
|
|
register_block_type_from_metadata(
|
|
__DIR__ . '/file',
|
|
array(
|
|
'render_callback' => 'render_block_core_file',
|
|
)
|
|
);
|
|
}
|
|
add_action( 'init', 'register_block_core_file' );
|