';
_e( 'Gutenberg development mode requires files to be built. Run npm install to install dependencies, npm run build to build the files or npm run dev to build the files and watch for changes. Read the contributing file for more information.', 'gutenberg' );
echo '
';
}
/**
* Verify that we can initialize the Gutenberg editor , then load it.
*
* @since 1.5.0
*/
function gutenberg_pre_init() {
if ( defined( 'GUTENBERG_DEVELOPMENT_MODE' ) && GUTENBERG_DEVELOPMENT_MODE && ! file_exists( dirname( __FILE__ ) . '/build/blocks' ) ) {
add_action( 'admin_notices', 'gutenberg_build_files_notice' );
return;
}
// Get unmodified $wp_version.
include ABSPATH . WPINC . '/version.php';
// Strip '-src' from the version string. Messes up version_compare().
$version = str_replace( '-src', '', $wp_version );
if ( version_compare( $version, '5.0.0', '<' ) ) {
add_action( 'admin_notices', 'gutenberg_wordpress_version_notice' );
return;
}
require_once dirname( __FILE__ ) . '/lib/load.php';
add_filter( 'replace_editor', 'gutenberg_init', 10, 2 );
}
/**
* Initialize Gutenberg.
*
* Load API functions, register scripts and actions, etc.
*
* @param bool $return Whether to replace the editor. Used in the `replace_editor` filter.
* @param object $post The post to edit or an auto-draft.
* @return bool Whether Gutenberg was initialized.
*/
function gutenberg_init( $return, $post ) {
if ( true === $return && current_filter() === 'replace_editor' ) {
return $return;
}
if ( ! is_gutenberg_page() ) {
return false;
}
// Instruct WordPress that this is the block editor. Without this, a call
// to `is_block_editor()` would yield `false` while editing a post with
// Gutenberg.
//
// [TODO]: This is temporary so long as Gutenberg is implemented to use
// `replace_editor`, rather than allow `edit-form-blocks.php` from core to
// take effect, where this would otherwise be assigned.
get_current_screen()->is_block_editor( true );
add_action( 'admin_enqueue_scripts', 'gutenberg_editor_scripts_and_styles' );
add_filter( 'screen_options_show_screen', '__return_false' );
/*
* Remove the emoji script as it is incompatible with both React and any
* contenteditable fields.
*/
remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
/*
* Ensure meta box functions are available to third-party code;
* includes/meta-boxes is typically loaded from edit-form-advanced.php.
*/
require_once ABSPATH . 'wp-admin/includes/meta-boxes.php';
register_and_do_post_meta_boxes( $post );
require_once ABSPATH . 'wp-admin/admin-header.php';
the_gutenberg_project();
return true;
}