From 1d08c1ce2ae8092157bea2e161c0df2595e21254 Mon Sep 17 00:00:00 2001
From: Florian Fetz <florian.fetz@web.de>
Date: Mon, 21 Mar 2022 16:00:59 +0100
Subject: [PATCH] Fixed #38: Additions are always optionals

---
 asn1editor/ViewControllerFactory.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/asn1editor/ViewControllerFactory.py b/asn1editor/ViewControllerFactory.py
index 4d5a3a1..5939d91 100644
--- a/asn1editor/ViewControllerFactory.py
+++ b/asn1editor/ViewControllerFactory.py
@@ -85,7 +85,12 @@ def _sequence(self, type_: oer.Sequence, checker: constraints_checker.Dict, cont
 
         sub_controller = ControllerFactory(controller).create_container_controller(type_, optional_interface)
 
-        for sub_type in type_.root_members + ([] if type_.additions is None else type_.additions):
+        # Additions are always optional
+        additions = [] if type_.additions is None else type_.additions
+        for sub_type in additions:
+            sub_type.optional = True
+
+        for sub_type in type_.root_members + additions:
             view.add_child(self.create_view_and_controller(sub_type, self.__get_member_checker(checker, sub_type.name), sub_controller))
 
         return view