Management controllers: make format functions first-level

models/GenericTable.php

@@ -192,7 +192,9 @@ class GenericTable
 			foreach ($options['columns'] as $column)
 			{
 				// Process formatting
-				if (isset($column['format']))
+				if (isset($column['format']) && is_callable($column['format']))
+					$value = $column['format']($row);
+				elseif (isset($column['format']))
 					$value = self::processFormatting($column['format'], $row);
 				else
 					$value = $row[$column['value']];