Register AJAX actions for BP 12+.

BP 12 requires that AJAX actions be explicitly registered if they
need access to the current BP context, such as BP groups.

See #748.

bp-docs.php

@@ -102,6 +102,9 @@ function __construct() {
 		// Set up doc taxonomy, etc
 		add_action( 'bp_docs_init',     array( $this, 'load_doc_extras' ), 8 );
 
+		// Register AJAX actions.
+		add_action( 'bp_docs_init', array( $this, 'register_ajax_actions' ) );
+
 		// Add rewrite rules
 		add_action( 'generate_rewrite_rules', array( &$this, 'generate_rewrite_rules' ) );
 
@@ -461,6 +464,32 @@ function load_doc_extras() {
 		do_action( 'bp_docs_load_doc_extras' );
 	}
 
+	/**
+	 * Registers AJAX actions for BP 12+.
+	 *
+	 * @since 2.2.2
+	 *
+	 * @return void
+	 */
+	public function register_ajax_actions() {
+		if ( ! function_exists( 'bp_ajax_register_action' ) ) {
+			return;
+		}
+
+		$ajax_actions = array(
+			'add_edit_lock',
+			'bp_docs_create_dummy_doc',
+			'doc_attachment_item_markup',
+			'refresh_access_settings',
+			'refresh_associated_group',
+			'remove_edit_lock',
+		);
+
+		foreach ( $ajax_actions as $action ) {
+			bp_ajax_register_action( $action );
+		}
+	}
+
 	/**
 	 * Add rewrite tags
 	 *

includes/addon-folders.php

@@ -13,6 +13,8 @@ class BP_Docs_Folders {
 	 * @since 1.9
 	 */
 	public function __construct() {
+		$this->register_ajax_actions();
+
 		if ( ! bp_docs_enable_folders() ) {
 			return;
 		}
@@ -195,6 +197,35 @@ public function enqueue_assets() {
 			'force_metabox' => $force_folders_metabox,
 		) );
 	}
+
+	/**
+	 * Register AJAX actions.
+	 *
+	 * Required by BuddyPress 12+, so that context information like "current group"
+	 * is available during our AJAX callbacks.
+	 *
+	 * @since 2.2.2
+	 *
+	 * @return void
+	 */
+	public function register_ajax_actions() {
+		if ( ! function_exists( 'bp_ajax_register_action' ) ) {
+			return;
+		}
+
+		$ajax_actions = array(
+			'bp_docs_update_folders',
+			'bp_docs_update_parent_folders',
+			'bp_docs_update_folder_type',
+			'bp_docs_update_folder_type_for_group',
+			'bp_docs_process_folder_drop',
+			'bp_docs_get_folder_content',
+		);
+
+		foreach ( $ajax_actions as $action ) {
+			bp_ajax_register_action( $action );
+		}
+	}
 }
 
 /** Utility functions ********************************************************/