Issue #2956: Clear temporarily defined value of an attribute

diff --git a/src/ModuleBase/ModuleBase_WidgetValidated.cpp b/src/ModuleBase/ModuleBase_WidgetValidated.cpp
index 937464e3cf026cf0e2adc9151a95797bdca1378f..7740f17f5625341aa5e72150a47fac7d6582d8af 100644 (file)
--- 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;
 }