<?php
/**
* Register the block patterns and block patterns categories
*
* @package WordPress
* @since 5.5.0
*/
add_theme_support( 'core-block-patterns' );
/**
* Registers the core block patterns and categories.
*
* @since 5.5.0
* @access private
*/
function _register_core_block_patterns_and_categories() {
$should_register_core_patterns = get_theme_support( 'core-block-patterns' );
if ( $should_register_core_patterns ) {
$core_block_patterns = array(
'query-standard-posts',
'query-medium-posts',
'query-small-posts',
'query-grid-posts',
'query-large-title-posts',
'query-offset-posts',
'social-links-shared-background-color',
);
foreach ( $core_block_patterns as $core_block_pattern ) {
register_block_pattern(
'core/' . $core_block_pattern,
require __DIR__ . '/block-patterns/' . $core_block_pattern . '.php'
);
}
}
register_block_pattern_category( 'buttons', array( 'label' => _x( 'Buttons', 'Block pattern category' ) ) );
register_block_pattern_category( 'columns', array( 'label' => _x( 'Columns', 'Block pattern category' ) ) );
register_block_pattern_category( 'featured', array( 'label' => _x( 'Featured', 'Block pattern category' ) ) );
register_block_pattern_category( 'gallery', array( 'label' => _x( 'Gallery', 'Block pattern category' ) ) );
register_block_pattern_category( 'header', array( 'label' => _x( 'Headers', 'Block pattern category' ) ) );
register_block_pattern_category( 'text', array( 'label' => _x( 'Text', 'Block pattern category' ) ) );
register_block_pattern_category( 'query', array( 'label' => _x( 'Query', 'Block pattern category' ) ) );
}
/**
* Register Core's official patterns from wordpress.org/patterns.
*
* @since 5.8.0
* @since 5.9.0 The $current_screen argument was removed.
*
* @param WP_Screen $deprecated Unused. Formerly the screen that the current request was triggered from.
*/
function _load_remote_block_patterns( $deprecated = null ) {
if ( ! empty( $deprecated ) ) {
_deprecated_argument( __FUNCTION__, '5.9.0' );
$current_screen = $deprecated;
if ( ! $current_screen->is_block_editor ) {
return;
}
}
$supports_core_patterns = get_theme_support( 'core-block-patterns' );
/**
* Filter to disable remote block patterns.
*
* @since 5.8.0
*
* @param bool $should_load_remote
*/
$should_load_remote = apply_filters( 'should_load_remote_block_patterns', true );
if ( $supports_core_patterns && $should_load_remote ) {
$request = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
$core_keyword_id = 11; // 11 is the ID for "core".
$request->set_param( 'keyword', $core_keyword_id );
$response = rest_do_request( $request );
if ( $response->is_error() ) {
return;
}
$patterns = $response->get_data();
foreach ( $patterns as $settings ) {
$pattern_name = 'core/' . sanitize_title( $settings['title'] );
register_block_pattern( $pattern_name, (array) $settings );
}
}
}
/**
* Register `Featured` (category) patterns from wordpress.org/patterns.
*
* @since 5.9.0
*/
function _load_remote_featured_patterns() {
$supports_core_patterns = get_theme_support( 'core-block-patterns' );
/** This filter is documented in wp-includes/block-patterns.php */
$should_load_remote = apply_filters( 'should_load_remote_block_patterns', true );
if ( ! $should_load_remote || ! $supports_core_patterns ) {
return;
}
$request = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
$featured_cat_id = 26; // This is the `Featured` category id from pattern directory.
$request->set_param( 'category', $featured_cat_id );
$response = rest_do_request( $request );
if ( $response->is_error() ) {
return;
}
$patterns = $response->get_data();
foreach ( $patterns as $pattern ) {
$pattern_name = sanitize_title( $pattern['title'] );
$registry = WP_Block_Patterns_Registry::get_instance();
// Some patterns might be already registered as core patterns with the `core` prefix.
$is_registered = $registry->is_registered( $pattern_name ) || $registry->is_registered( "core/$pattern_name" );
if ( ! $is_registered ) {
register_block_pattern( $pattern_name, (array) $pattern );
}
}
}
/**
* Registers patterns from Pattern Directory provided by a theme's
* `theme.json` file.
*
* @since 6.0.0
* @access private
*/
function _register_remote_theme_patterns() {
if ( ! get_theme_support( 'core-block-patterns' ) ) {
return;
}
/** This filter is documented in wp-includes/block-patterns.php */
if ( ! apply_filters( 'should_load_remote_block_patterns', true ) ) {
return;
}
if ( ! WP_Theme_JSON_Resolver::theme_has_support() ) {
return;
}
$pattern_settings = WP_Theme_JSON_Resolver::get_theme_data()->get_patterns();
if ( empty( $pattern_settings ) ) {
return;
}
$request = new WP_REST_Request( 'GET', '/wp/v2/pattern-directory/patterns' );
$request['slug'] = $pattern_settings;
$response = rest_do_request( $request );
if ( $response->is_error() ) {
return;
}
$patterns = $response->get_data();
$patterns_registry = WP_Block_Patterns_Registry::get_instance();
foreach ( $patterns as $pattern ) {
$pattern_name = sanitize_title( $pattern['title'] );
// Some patterns might be already registered as core patterns with the `core` prefix.
$is_registered = $patterns_registry->is_registered( $pattern_name ) || $patterns_registry->is_registered( "core/$pattern_name" );
if ( ! $is_registered ) {
register_block_pattern( $pattern_name, (array) $pattern );
}
}
}
/**
* Register any patterns that the active theme may provide under its
* `./patterns/` directory. Each pattern is defined as a PHP file and defines
* its metadata using plugin-style headers. The minimum required definition is:
*
* /**
* * Title: My Pattern
* * Slug: my-theme/my-pattern
* *
*
* The output of the PHP source corresponds to the content of the pattern, e.g.:
*
* <main><p><?php echo "Hello"; ?></p></main>
*
* If applicable, this will collect from both parent and child theme.
*
* Other settable fields include:
*
* - Description
* - Viewport Width
* - Categories (comma-separated values)
* - Keywords (comma-separated values)
* - Block Types (comma-separated values)
* - Inserter (yes/no)
*
* @since 6.0.0
* @access private
*/
function _register_theme_block_patterns() {
$default_headers = array(
'title' => 'Title',
'slug' => 'Slug',
'description' => 'Description',
'viewportWidth' => 'Viewport Width',
'categories' => 'Categories',
'keywords' => 'Keywords',
'blockTypes' => 'Block Types',
'inserter' => 'Inserter',
);
/*
* Register patterns for the active theme. If the theme is a child theme,
* let it override any patterns from the parent theme that shares the same slug.
*/
$themes = array();
$stylesheet = get_stylesheet();
$template = get_template();
if ( $stylesheet !== $template ) {
$themes[] = wp_get_theme( $stylesheet );
}
$themes[] = wp_get_theme( $template );
foreach ( $themes as $theme ) {
$dirpath = $theme->get_stylesheet_directory() . '/patterns/';
if ( ! is_dir( $dirpath ) || ! is_readable( $dirpath ) ) {
continue;
}
if ( file_exists( $dirpath ) ) {
$files = glob( $dirpath . '*.php' );
if ( $files ) {
foreach ( $files as $file ) {
$pattern_data = get_file_data( $file, $default_headers );
if ( empty( $pattern_data['slug'] ) ) {
_doing_it_wrong(
'_register_theme_block_patterns',
sprintf(
/* translators: %s: file name. */
__( 'Could not register file "%s" as a block pattern ("Slug" field missing)' ),
$file
),
'6.0.0'
);
continue;
}
if ( ! preg_match( '/^[A-z0-9\/_-]+$/', $pattern_data['slug'] ) ) {
_doing_it_wrong(
'_register_theme_block_patterns',
sprintf(
/* translators: %1s: file name; %2s: slug value found. */
__( 'Could not register file "%1$s" as a block pattern (invalid slug "%2$s")' ),
$file,
$pattern_data['slug']
),
'6.0.0'
);
}
if ( WP_Block_Patterns_Registry::get_instance()->is_registered( $pattern_data['slug'] ) ) {
continue;
}
// Title is a required property.
if ( ! $pattern_data['title'] ) {
_doing_it_wrong(
'_register_theme_block_patterns',
sprintf(
/* translators: %1s: file name; %2s: slug value found. */
__( 'Could not register file "%s" as a block pattern ("Title" field missing)' ),
$file
),
'6.0.0'
);
continue;
}
// For properties of type array, parse data as comma-separated.
foreach ( array( 'categories', 'keywords', 'blockTypes' ) as $property ) {
if ( ! empty( $pattern_data[ $property ] ) ) {
$pattern_data[ $property ] = array_filter(
preg_split(
'/[\s,]+/',
(string) $pattern_data[ $property ]
)
);
} else {
unset( $pattern_data[ $property ] );
}
}
// Parse properties of type int.
foreach ( array( 'viewportWidth' ) as $property ) {
if ( ! empty( $pattern_data[ $property ] ) ) {
$pattern_data[ $property ] = (int) $pattern_data[ $property ];
} else {
unset( $pattern_data[ $property ] );
}
}
// Parse properties of type bool.
foreach ( array( 'inserter' ) as $property ) {
if ( ! empty( $pattern_data[ $property ] ) ) {
$pattern_data[ $property ] = in_array(
strtolower( $pattern_data[ $property ] ),
array( 'yes', 'true' ),
true
);
} else {
unset( $pattern_data[ $property ] );
}
}
// Translate the pattern metadata.
$text_domain = $theme->get( 'TextDomain' );
//phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralContext, WordPress.WP.I18n.NonSingularStringLiteralDomain, WordPress.WP.I18n.LowLevelTranslationFunction
$pattern_data['title'] = translate_with_gettext_context( $pattern_data['title'], 'Pattern title', $text_domain );
if ( ! empty( $pattern_data['description'] ) ) {
//phpcs:ignore WordPress.WP.I18n.NonSingularStringLiteralText, WordPress.WP.I18n.NonSingularStringLiteralContext, WordPress.WP.I18n.NonSingularStringLiteralDomain, WordPress.WP.I18n.LowLevelTranslationFunction
$pattern_data['description'] = translate_with_gettext_context( $pattern_data['description'], 'Pattern description', $text_domain );
}
// The actual pattern content is the output of the file.
ob_start();
include $file;
$pattern_data['content'] = ob_get_clean();
if ( ! $pattern_data['content'] ) {
continue;
}
register_block_pattern( $pattern_data['slug'], $pattern_data );
}
}
}
}
}
add_action( 'init', '_register_theme_block_patterns' );