If extrusion loses sketch contour, it becomes invalid and no results are displayed

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

diff --git a/src/Model/Model_AttributeRefAttr.cpp b/src/Model/Model_AttributeRefAttr.cpp
index 38e989e047ca7f10928df123f79e44117b43d02a..0c24fe3e1b762cfa047e634473aca9408b288c2c 100644 (file)
--- a/src/Model/Model_AttributeRefAttr.cpp
+++ b/src/Model/Model_AttributeRefAttr.cpp
@@ -7,6 +7,7 @@
 #include "Model_AttributeRefAttr.h"
 #include "Model_Application.h"
 #include "Model_Data.h"
+#include "Model_Objects.h"
 #include <ModelAPI_Feature.h>
 
 using namespace std;
@@ -45,7 +46,7 @@ void Model_AttributeRefAttr::setObject(ObjectPtr theObject)
 {
   // the back reference from the previous object to the attribute should be removed
   ObjectPtr anObject = object();
-  if (theObject && (!myIsInitialized || myID->Get().Length() != 0 || object() != theObject)) {
+  if (theObject.get() && (!myIsInitialized || myID->Get().Length() != 0 || object() != theObject)) {
     REMOVE_BACK_REF(anObject);
 
     std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(
@@ -76,13 +77,21 @@ ObjectPtr Model_AttributeRefAttr::object()
         owner()->document());
     if (aDoc) {
       TDF_Label aRefLab = myRef->Get();
-      return aDoc->object(aRefLab);
+      return aDoc->objects()->object(aRefLab);
     }
   }
   // not initialized
   return ObjectPtr();
 }
 
+bool Model_AttributeRefAttr::isInitialized()
+{
+  if (myRef->Get() == myRef->Label()) { // empty is not initialized: sketch parallelity
+    return false;
+  }
+  return ModelAPI_AttributeRefAttr::isInitialized();
+}
+
 Model_AttributeRefAttr::Model_AttributeRefAttr(TDF_Label& theLabel)
 {
   myIsInitialized = theLabel.FindAttribute(TDataStd_Comment::GetID(), myID) == Standard_True;