updated copyright message

[modules/shaper.git] / src / ModelHighAPI / ModelHighAPI_Services.cpp

diff --git a/src/ModelHighAPI/ModelHighAPI_Services.cpp b/src/ModelHighAPI/ModelHighAPI_Services.cpp
index 4aecbb0b2b683ee3e5f182cbc276e9ed04300e73..6dcaa5ae7c3dac67f93d1fc389bdd4d3b42c3746 100644 (file)
--- a/src/ModelHighAPI/ModelHighAPI_Services.cpp
+++ b/src/ModelHighAPI/ModelHighAPI_Services.cpp
@@ -1,4 +1,4 @@
-// Copyright (C) 2014-2020  CEA/DEN, EDF R&D
+// Copyright (C) 2014-2023  CEA, EDF
 //
 // This library is free software; you can redistribute it and/or
 // modify it under the terms of the GNU Lesser General Public
@@ -25,6 +25,7 @@
 #include <ModelAPI_Document.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_Events.h>
+#include <ModelAPI_ResultPart.h>
 
 #include <cmath>
 #include <sstream>
@@ -108,7 +109,33 @@ void begin()
   }
   std::ostringstream aTransactionName;
   aTransactionName << "Operation_" << aTransactionID;
-  ModelAPI_Session::get()->startOperation(aTransactionName.str());
+       
+  // check the first transaction and part, automatically created on start of PartSet
+  std::shared_ptr<ModelAPI_Session> aSession = ModelAPI_Session::get();
+  if (aSession->undoList().empty() && aSession->redoList().empty() && // no undo/redo available
+      aSession->moduleDocument()->size(ModelAPI_ResultPart::group()) == 1 && // only one part
+      aSession->moduleDocument()->size(ModelAPI_Feature::group()) == 1) // only part feature
+  {
+    ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>
+      (aSession->moduleDocument()->object(ModelAPI_ResultPart::group(), 0));
+    if (aPartRes.get() && aPartRes->isActivated())
+    {
+      DocumentPtr aPartDoc = aPartRes->partDoc();
+      if (aPartDoc.get() && aPartDoc->size(ModelAPI_Feature::group()) == 0) // no features in part
+      {
+        // remove the automtically created part
+        aSession->startOperation("Delete automatic part");
+        FeaturePtr aPartFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(
+          aSession->moduleDocument()->object(ModelAPI_Feature::group(), 0));
+        aSession->setActiveDocument(aSession->moduleDocument());
+        aSession->moduleDocument()->removeFeature(aPartFeature);
+        aSession->finishOperation();
+        aSession->clearUndoRedo();
+      }
+    }
+  }
+
+  aSession->startOperation(aTransactionName.str());
 }
 
 void end()