Index: trunk/core/units/categories/categories_event_handler.php
===================================================================
diff -u -N -r7635 -r7855
--- trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 7635)
+++ trunk/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 7855)
@@ -11,6 +11,8 @@
 		parent::mapPermissions();
 		$permissions = Array(
 								'OnRebuildCache'	=>	Array('self' => 'add|edit'),
+								'OnPasteClipboard'	=>	Array('self' => 'add|edit'),
+								'OnPaste'	=> array('self'=>'add|edit', 'subitem' => 'edit'),
 //								'OnSave' => Array('self' => 'add|edit')
 						);
 		$this->permMapping = array_merge($this->permMapping, $permissions);
@@ -98,7 +100,7 @@
 		// hide categories with status = 4 (system categories)
 		$object->addFilter('system_categories', '%1$s.Status <> 4');
 
-		if ( $event->getEventParam('parent_cat_id') ) {
+		if ($event->getEventParam('parent_cat_id') !== false) {
 			$parent_cat_id = $event->getEventParam('parent_cat_id');
 
 			if ($parent_cat_id == 'Root') {
@@ -347,7 +349,7 @@
 
 		if ($id == 0) {
 			if ($temp_object->isLoaded()) {
-				// new category -> update chache (not loaded when "Home" category)
+				// new category -> update cache (not loaded when "Home" category)
 				$this->Application->StoreVar('PermCache_UpdateRequired', 1);
 			}
 			return ;
@@ -357,7 +359,7 @@
 		$live_object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('live_table' => true, 'skip_autoload' => true));
 		$live_object->Load($id);
 
-		$cached_fields = Array('Name', 'Filename', 'CategoryTemplate', 'ParentId');
+		$cached_fields = Array('Name', 'Filename', 'CategoryTemplate', 'ParentId', 'Priority');
 
 		foreach ($cached_fields as $cached_field) {
 			if ($live_object->GetDBField($cached_field) != $temp_object->GetDBField($cached_field)) {