From 1817e423651c01861813557bc76b69f4aafa4e53 Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Thu, 22 May 2014 15:05:00 +0400
Subject: [PATCH] Nested transactions for sketch.

---
 src/Model/Model_Document.cpp                        | 2 +-
 src/SketchSolver/SketchSolver_ConstraintManager.cpp | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Model/Model_Document.cpp b/src/Model/Model_Document.cpp
index 37f1a8673..3f0378447 100644
--- a/src/Model/Model_Document.cpp
+++ b/src/Model/Model_Document.cpp
@@ -179,7 +179,7 @@ void Model_Document::startOperation()
     myNestedStart = myTransactionsAfterSave;
   }
   // new command for this
-  myDoc->NewCommand();
+  myDoc->OpenCommand();
   // new command for all subs
   set<string>::iterator aSubIter = mySubs.begin();
   for(; aSubIter != mySubs.end(); aSubIter++)
diff --git a/src/SketchSolver/SketchSolver_ConstraintManager.cpp b/src/SketchSolver/SketchSolver_ConstraintManager.cpp
index 4a47879fa..a2db1ce05 100644
--- a/src/SketchSolver/SketchSolver_ConstraintManager.cpp
+++ b/src/SketchSolver/SketchSolver_ConstraintManager.cpp
@@ -82,7 +82,8 @@ void SketchSolver_ConstraintManager::processEvent(const Events_Message* theMessa
     {
       boost::shared_ptr<SketchPlugin_Feature> aSketch =
         boost::dynamic_pointer_cast<SketchPlugin_Feature>(aUpdateMsg->feature());
-      changeWorkplane(aSketch);
+      if (aSketch)
+        changeWorkplane(aSketch);
       return ;
     }
     boost::shared_ptr<SketchPlugin_Constraint> aConstraint =
-- 
2.39.2