X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FModel%2FModel_Data.cpp;h=e3020d992e929c8f6d9d7577cf804bedec53809f;hb=refs%2Ftags%2FV_1.2.1;hp=2c973fa3f881e1c170c5fcd8db69860d42101d98;hpb=96e85a57787c129a73586c195661284e01beb81a;p=modules%2Fshaper.git

diff --git a/src/Model/Model_Data.cpp b/src/Model/Model_Data.cpp
index 2c973fa3f..e3020d992 100644
--- a/src/Model/Model_Data.cpp
+++ b/src/Model/Model_Data.cpp
@@ -309,7 +309,10 @@ void Model_Data::addBackReference(FeaturePtr theFeature, std::string theAttrID,
       ModelAPI_Session::get()->validators()->isConcealed(theFeature->getKind(), theAttrID)) {
     std::shared_ptr<ModelAPI_Result> aRes = 
       std::dynamic_pointer_cast<ModelAPI_Result>(myObject);
-    if (aRes) {
+    // the second condition is for history upper than concealment causer, so the feature result may
+    // be displayed and previewed; also for avoiding of quick show/hide on history
+    // moving deep down
+    if (aRes && !theFeature->isDisabled()) {
       aRes->setIsConcealed(true);
     }
   }
@@ -415,3 +418,8 @@ std::shared_ptr<ModelAPI_Data> Model_Data::invalidPtr()
 {
   return kInvalid;
 }
+
+std::shared_ptr<ModelAPI_Data> Model_Data::invalidData()
+{
+  return kInvalid;
+}