From 49dc72f9ae537e39e40e5c5f319d5b3744c680d0 Mon Sep 17 00:00:00 2001
From: mpv <mikhail.ponikarov@opencascade.com>
Date: Wed, 24 Sep 2014 08:45:38 +0400
Subject: [PATCH] Wrap the rebuild operation by transaction braces to avoid
 warnings and allow to undo the rebuilding.

---
 src/XGUI/XGUI_Workshop.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/XGUI/XGUI_Workshop.cpp b/src/XGUI/XGUI_Workshop.cpp
index 25866c87c..1f3bee21a 100644
--- a/src/XGUI/XGUI_Workshop.cpp
+++ b/src/XGUI/XGUI_Workshop.cpp
@@ -789,9 +789,17 @@ void XGUI_Workshop::onRedo()
 //******************************************************
 void XGUI_Workshop::onRebuild()
 {
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool aWasOperation = aMgr->isOperation(); // keep this value
+  if (!aWasOperation) {
+    aMgr->startOperation();
+  }
   static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
   Events_Loop::loop()->send(boost::shared_ptr<Events_Message>(
     new Events_Message(aRebuildEvent, this)));
+  if (!aWasOperation) {
+    aMgr->finishOperation();
+  }
 }
 
 //******************************************************
-- 
2.39.2