From a9105aa127818a29826cd4c2a11d815ae2894838 Mon Sep 17 00:00:00 2001
From: vsv <vsv@opencascade.com>
Date: Fri, 26 Jul 2019 18:13:43 +0300
Subject: [PATCH] Issue #2956: Clear temporarily defined value of an attribute

---
 src/ModuleBase/ModuleBase_WidgetValidated.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/ModuleBase/ModuleBase_WidgetValidated.cpp b/src/ModuleBase/ModuleBase_WidgetValidated.cpp
index 937464e3c..7740f17f5 100644
--- a/src/ModuleBase/ModuleBase_WidgetValidated.cpp
+++ b/src/ModuleBase/ModuleBase_WidgetValidated.cpp
@@ -197,6 +197,11 @@ bool ModuleBase_WidgetValidated::isValidInFilters(const ModuleBase_ViewerPrsPtr&
     anOwner.Nullify();
     myPresentedObject = ObjectPtr();
   }
+  if (!aValid) {
+    // Clear attribute if it still has selection
+    AttributePtr anAttr = attribute();
+    anAttr->reset();
+  }
   return aValid;
 }
 
-- 
2.39.2