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<?php
defined( 'ABSPATH' ) or die();
// Load core Block class.
require_once( plugin_dir_path( __FILE__ ) . 'class-gf-block.php' );
/**
* Handles management of Gravity Forms editor blocks.
*
* @since 2.4.10
*
* Class GF_Blocks
*/
class GF_Blocks {
/**
* Registered Gravity Forms editor blocks.
*
* @since 2.4.10
* @var GF_Block[]
*/
private static $_blocks = array();
/**
* Register a block type.
*
* @since 2.4.10
*
* @param GF_Block $block Block class.
*
* @return bool|WP_Error
*/
public static function register( $block ) {
if ( ! is_subclass_of( $block, 'GF_Block' ) ) {
return new WP_Error( 'block_not_subclass', 'Must be a subclass of GF_Block' );
}
// Get block type.
$block_type = $block->get_type();
if ( empty( $block_type ) ) {
return new WP_Error( 'block_type_undefined', 'The type must be set' );
}
if ( isset( self::$_blocks[ $block_type ] ) ) {
return new WP_Error( 'block_already_registered', 'Block type already registered: ' . $block_type );
}
// Register block.
self::$_blocks[ $block_type ] = $block;
// Initialize block.
call_user_func( array( $block, 'init' ) );
return true;
}
/**
* Get instance of block.
*
* @since 2.4.10
*
* @param string $block_type Block type.
*
* @return GF_Block|bool
*/
public static function get( $block_type ) {
return isset( self::$_blocks[ $block_type ] ) ? self::$_blocks[ $block_type ] : false;
}
/**
* Returns an array of registered block types.
*
* @since 2.4.18
*
* @return array
*/
public static function get_all_types() {
return array_keys( self::$_blocks );
}
}
new GF_Blocks();