0030392: XCAFDoc_GraphNode doesn't copy backward links

(cherry picked from commit 6131065fae2474309c617039ad5be15f1f05a813)

diff --git a/src/XCAFDoc/XCAFDoc_GraphNode.cxx b/src/XCAFDoc/XCAFDoc_GraphNode.cxx
index f83ad70e3c3aa18817e73c4cf8a218ee4b9b8921..2ac1e5d23ef89b71a1df39f28bd7311c1978afc3 100644 (file)
--- a/src/XCAFDoc/XCAFDoc_GraphNode.cxx
+++ b/src/XCAFDoc/XCAFDoc_GraphNode.cxx
@@ -378,6 +378,8 @@ void XCAFDoc_GraphNode::Paste(const Handle(TDF_Attribute)& into,
     if (!func.IsNull())
     {
       intof->SetFather(func);
+      if (func->ChildIndex(this) && !func->ChildIndex(intof))
+        func->SetChild(intof);
     }
   }
 
@@ -391,6 +393,8 @@ void XCAFDoc_GraphNode::Paste(const Handle(TDF_Attribute)& into,
     if (!func.IsNull())
     {
       intof->SetChild(func);
+      if (func->FatherIndex(this) && !func->FatherIndex(intof))
+        func->SetFather(intof);
     }
   }
   intof->SetGraphID(myGraphID);