Fix for the issue #577

[modules/shaper.git] / src / Model / Model_Objects.cpp

diff --git a/src/Model/Model_Objects.cpp b/src/Model/Model_Objects.cpp
index 1b8e3253b9eda85fc235449e940f623707305434..1361a931a49baca81ba39b0b83ee3ac10d237a62 100644 (file)
--- a/src/Model/Model_Objects.cpp
+++ b/src/Model/Model_Objects.cpp
@@ -339,10 +339,9 @@ ObjectPtr Model_Objects::object(TDF_Label theLabel)
 
 ObjectPtr Model_Objects::object(const std::string& theGroupID, const int theIndex)
 {
-  createHistory(theGroupID);
-  //TODO: mpv stabilization hotfix
-  if (myHistory[theGroupID].size() <= theIndex)
+  if (theIndex == -1)
     return ObjectPtr();
+  createHistory(theGroupID);
   return myHistory[theGroupID][theIndex];
 }
 
@@ -816,8 +815,10 @@ void Model_Objects::updateResults(FeaturePtr theFeature)
         if (aGroup->Get() == ModelAPI_ResultBody::group().c_str()) {
           aNewBody = createBody(theFeature->data(), aResIndex);
         } else if (aGroup->Get() == ModelAPI_ResultPart::group().c_str()) {
-          //aNewBody = createPart(theFeature->data(), aResIndex); 
-          theFeature->execute(); // create the part result
+          std::shared_ptr<ModelAPI_ResultPart> aNewP = createPart(theFeature->data(), aResIndex); 
+          theFeature->setResult(aNewP, aResIndex);
+          if (!aNewP->partDoc().get())
+            theFeature->execute(); // create the part result: it is better to restore the previous result if it is possible
           break;
         } else if (aGroup->Get() == ModelAPI_ResultConstruction::group().c_str()) {
           theFeature->execute(); // construction shapes are needed for sketch solver