Add allowed actions definitions

code/GridFieldAddExistingSearchButton.php

@@ -7,6 +7,10 @@ class GridFieldAddExistingSearchButton implements
 	GridField_HTMLProvider,
 	GridField_URLHandler {
 
+	private static $allowed_actions = array(
+		'handleSearch'
+	);
+
 	protected $title;
 	protected $fragment;
 	protected $searchList;

code/GridFieldAddExistingSearchHandler.php

@@ -5,7 +5,7 @@
  */
 class GridFieldAddExistingSearchHandler extends RequestHandler {
 
-	public static $allowed_actions = array(
+	private static $allowed_actions = array(
 		'index',
 		'add',
 		'SearchForm'

code/GridFieldAddNewMultiClass.php

@@ -7,6 +7,10 @@
  */
 class GridFieldAddNewMultiClass implements GridField_HTMLProvider, GridField_URLHandler {
 
+	private static $allowed_actions = array(
+		'handleAdd'
+	);
+
 	private $fragment;
 
 	private $title;

code/GridFieldEditableColumns.php

@@ -14,6 +14,10 @@ class GridFieldEditableColumns extends GridFieldDataColumns implements
 	GridField_SaveHandler,
 	GridField_URLHandler {
 
+	private static $allowed_actions = array(
+		'handleForm'
+	);
+
 	/**
 	 * @var Form[]
 	 */

code/GridFieldOrderableRows.php

@@ -12,6 +12,11 @@ class GridFieldOrderableRows extends RequestHandler implements
 	GridField_HTMLProvider,
 	GridField_URLHandler {
 
+	private static $allowed_actions = array(
+		'handleReorder',
+		'handleMoveToPage'
+	);
+
 	/**
 	 * The database field which specifies the sort, defaults to "Sort".
 	 *

code/GridFieldRequestHandler.php

@@ -9,6 +9,10 @@
  */
 abstract class GridFieldRequestHandler extends RequestHandler {
 
+	private static $allowed_actions = array(
+		'Form'
+	);
+
 	/**
 	 * @var GridField
 	 */