protected void SetFileNamePattern (PathPattern pattern)
{
PathPattern = pattern;
var file_system = PreferencesPage.Add (new Section ("file-system", Catalog.GetString ("File Organization"), 5));
file_system.Add (new SchemaPreference<string> (pattern.FolderSchema, Catalog.GetString ("Folder hie_rarchy")));
file_system.Add (new SchemaPreference<string> (pattern.FileSchema, Catalog.GetString ("File _name")));
}