From: mpv <mikhail.ponikarov@opencascade.com>
Date: Mon, 10 Nov 2014 14:43:30 +0000 (+0300)
Subject: Issue 152 : do not compact empty transactions becasue it causes problem in OCCT
X-Git-Tag: V_0.5~6^2~4^2
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=a7593f636f660158e86be65dfae61fb606f3de42;p=modules%2Fshaper.git

Issue 152 : do not compact empty transactions becasue it causes problem in OCCT
---

diff --git a/src/Model/Model_Document.cpp b/src/Model/Model_Document.cpp
index 15983188d..7e2d215ee 100644
--- a/src/Model/Model_Document.cpp
+++ b/src/Model/Model_Document.cpp
@@ -253,7 +253,13 @@ bool Model_Document::compactNested()
   }
   myIsEmptyTr[myTransactionsAfterSave] = allWasEmpty;
   myTransactionsAfterSave++;
-  myDoc->PerformDeltaCompaction();
+  if (allWasEmpty) {
+    // if everything is empty, it is a problem for OCCT to work with it, 
+    // just commit the empty that returns nothing
+    myDoc->CommitCommand();
+  } else {
+    myDoc->PerformDeltaCompaction();
+  }
   return !allWasEmpty;
 }