Index: trunk/core/units/general/cat_event_handler.php
===================================================================
diff -u -r3635 -r3698
--- trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 3635)
+++ trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 3698)
@@ -536,9 +536,25 @@
 	function OnAfterItemUpdate(&$event)
 	{
 		$this->CalculateHotLimit($event);
+		
+		if ( substr($event->Special, -6) == 'import') {
+			$this->setCustomExportColumns($event);
+		}
 	}
 
 	/**
+	 * sets values for import process
+	 *
+	 * @param kEvent $event
+	 */
+	function OnAfterItemCreate(&$event)
+	{
+		if ( substr($event->Special, -6) == 'import') {
+			$this->setCustomExportColumns($event);
+		}
+	}
+	
+	/**
 	 * Makes simple search for products
 	 * based on keywords string
 	 *
@@ -1423,15 +1439,16 @@
 		}
 
 		// db fields
-		$fields = array_keys($object->Fields);
-		foreach ($fields as $field_name)
+		foreach ($object->Fields as $field_name => $field_options)
 		{
 			if (!$object->SkipField($field_name))
 			{
-				$available_columns[$field_name] = $field_name;
+				$available_columns[$field_name] = $field_name.(getArrayValue($field_options, 'required') ? '*' : '');
 			}
 		}
 
+		$available_columns = array_merge_recursive2($available_columns, $this->getCustomExportColumns($event));
+		
 		// custom fields
 		$fields = array_keys($object->CustomFields);
 		foreach ($fields as $field_name)
@@ -1486,7 +1503,27 @@
 		}
 	}
 
+	/**
+	 * Returns specific to each item type columns only
+	 *
+	 * @param kEvent $event
+	 * @return Array
+	 */
+	function getCustomExportColumns(&$event)
+	{
+		return Array();
+	}
 
+	/**
+	 * Sets non standart virtual fields (e.g. to other tables)
+	 *
+	 * @param kEvent $event
+	 */
+	function setCustomExportColumns(&$event)
+	{
+//		$object =& $event->getObject();
+	}
+	
 //	ImportLocalFilename
 
 	function getExportField($field_key)