added get_connector() method to Model

src/model.cpp

@@ -5,7 +5,7 @@
  */
 
 /*
- * Copyright (c) 2018-2019, Tomasz Sowa
+ * Copyright (c) 2018-2021, Tomasz Sowa
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -112,6 +112,12 @@ void Model::set_connector(ModelConnector * connector)
 }
 
 
+ModelConnector * Model::get_connector()
+{
+	return model_connector;
+}
+
+
 bool Model::object_exists()
 {
 	return save_mode == DO_UPDATE_ON_SAVE;