Index: trunk/kernel/units/custom_fields/custom_fields_event_handler.php
===================================================================
diff -u -N -r4000 -r4017
--- trunk/kernel/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 4000)
+++ trunk/kernel/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 4017)
@@ -48,26 +48,42 @@
 		function OnAfterItemDelete(&$event)
 		{
 			$object =& $event->getObject();
-			$custom_field_id=$event->getEventParam('id');
-			$this->Application->SetVar('cf_id', '');
+			$main_prefix = $this->getPrefixByItemType($object->GetDBField('Type'));
 			
-			$sql='DELETE FROM '.TABLE_PREFIX.'CustomMetaData WHERE CustomFieldId = '.$custom_field_id;
-			$this->Conn->Query($sql);
+			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper->deleteField($main_prefix.'-cdata', $event->getEventParam('id'));
 		}
 		
 		/**
+		 * Get config prefix based on item type
+		 *
+		 * @param unknown_type $item_type
+		 * @return unknown
+		 */
+		function getPrefixByItemType($item_type)
+		{
+			$sql = 'SELECT Prefix
+					FROM '.TABLE_PREFIX.'ItemTypes
+					WHERE ItemType = '.$item_type;
+			return $this->Conn->GetOne($sql);
+		}
+		
+		/**
 		 * Enter description here...
 		 *
 		 * @param kEvent $event
 		 */
 		function OnSaveCustomField(&$event)
 		{
+			if ($event->MasterEvent->status != erSUCCESS) {
+				return false;
+			}
+			
 			$object =& $event->getObject();
-			$sql = 'SELECT Prefix
-					FROM '.TABLE_PREFIX.'ItemTypes
-					WHERE ItemType = '.$object->GetDBField('Type');
-			$main_prefix = $this->Conn->GetOne($sql);
+			$main_prefix = $this->getPrefixByItemType($object->GetDBField('Type'));
 			
+			$this->Application->HandleEvent( new kEvent($main_prefix.'-cdata:OnCreateCustomFields') );
+			
 			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
 			$ml_helper->createFields($main_prefix.'-cdata');
 		}
Index: trunk/core/units/custom_fields/custom_fields_event_handler.php
===================================================================
diff -u -N -r4000 -r4017
--- trunk/core/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 4000)
+++ trunk/core/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 4017)
@@ -48,26 +48,42 @@
 		function OnAfterItemDelete(&$event)
 		{
 			$object =& $event->getObject();
-			$custom_field_id=$event->getEventParam('id');
-			$this->Application->SetVar('cf_id', '');
+			$main_prefix = $this->getPrefixByItemType($object->GetDBField('Type'));
 			
-			$sql='DELETE FROM '.TABLE_PREFIX.'CustomMetaData WHERE CustomFieldId = '.$custom_field_id;
-			$this->Conn->Query($sql);
+			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper->deleteField($main_prefix.'-cdata', $event->getEventParam('id'));
 		}
 		
 		/**
+		 * Get config prefix based on item type
+		 *
+		 * @param unknown_type $item_type
+		 * @return unknown
+		 */
+		function getPrefixByItemType($item_type)
+		{
+			$sql = 'SELECT Prefix
+					FROM '.TABLE_PREFIX.'ItemTypes
+					WHERE ItemType = '.$item_type;
+			return $this->Conn->GetOne($sql);
+		}
+		
+		/**
 		 * Enter description here...
 		 *
 		 * @param kEvent $event
 		 */
 		function OnSaveCustomField(&$event)
 		{
+			if ($event->MasterEvent->status != erSUCCESS) {
+				return false;
+			}
+			
 			$object =& $event->getObject();
-			$sql = 'SELECT Prefix
-					FROM '.TABLE_PREFIX.'ItemTypes
-					WHERE ItemType = '.$object->GetDBField('Type');
-			$main_prefix = $this->Conn->GetOne($sql);
+			$main_prefix = $this->getPrefixByItemType($object->GetDBField('Type'));
 			
+			$this->Application->HandleEvent( new kEvent($main_prefix.'-cdata:OnCreateCustomFields') );
+			
 			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
 			$ml_helper->createFields($main_prefix.'-cdata');
 		}
Index: trunk/kernel/units/general/helpers/multilanguage.php
===================================================================
diff -u -N -r4000 -r4017
--- trunk/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4000)
+++ trunk/kernel/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4017)
@@ -121,6 +121,21 @@
 			}
 		}
 		
+		function deleteField($prefix, $custom_id)
+		{
+			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
+			$sql = 'DESCRIBE '.$table_name.' "l%_cust_'.$custom_id.'"';
+			$fields = $this->Conn->GetCol($sql);
+			
+			$sql = 'ALTER TABLE '.$table_name.' ';
+			$sql_template = 'DROP COLUMN %s, ';
+			foreach ($fields as $field_name) {
+				$sql .= sprintf($sql_template, $field_name);
+			}
+			$sql = preg_replace('/(.*), $/', '\\1', $sql);
+			$this->Conn->Query($sql);
+		}
+		
 		/**
 		 * Returns parameter requested of current source field
 		 *
Index: trunk/core/units/general/helpers/multilanguage.php
===================================================================
diff -u -N -r4000 -r4017
--- trunk/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4000)
+++ trunk/core/units/general/helpers/multilanguage.php	(.../multilanguage.php)	(revision 4017)
@@ -121,6 +121,21 @@
 			}
 		}
 		
+		function deleteField($prefix, $custom_id)
+		{
+			$table_name = $this->Application->getUnitOption($prefix, 'TableName');
+			$sql = 'DESCRIBE '.$table_name.' "l%_cust_'.$custom_id.'"';
+			$fields = $this->Conn->GetCol($sql);
+			
+			$sql = 'ALTER TABLE '.$table_name.' ';
+			$sql_template = 'DROP COLUMN %s, ';
+			foreach ($fields as $field_name) {
+				$sql .= sprintf($sql_template, $field_name);
+			}
+			$sql = preg_replace('/(.*), $/', '\\1', $sql);
+			$this->Conn->Query($sql);
+		}
+		
 		/**
 		 * Returns parameter requested of current source field
 		 *