plugin install

wp/wp-content/plugins/gravityforms/includes/blocks/class-gf-blocks.php

@@ -0,0 +1,89 @@
+<?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();