From 626f2aee7aacacc8b92d46880e3576d3e263239c Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Fri, 24 Feb 2012 10:52:50 +0000
Subject: [PATCH] 0021208: Performance issue when loading SMESH with an hdf
 file containing a big mesh

don't call GetTypes() of GroupOnFilter that can be very long
---
 src/SMESHGUI/SMESHGUI_Utils.cxx | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/SMESHGUI/SMESHGUI_Utils.cxx b/src/SMESHGUI/SMESHGUI_Utils.cxx
index 53e4bb38c..e3c3dac93 100644
--- a/src/SMESHGUI/SMESHGUI_Utils.cxx
+++ b/src/SMESHGUI/SMESHGUI_Utils.cxx
@@ -315,9 +315,12 @@ namespace SMESH
               SObjectToInterface<SMESH::SMESH_GroupOnFilter>( aSObj1 );
             const bool isGroupOnFilter = !gof->_is_nil();
 
-            SMESH::array_of_ElementType_var elemTypes = idSrc->GetTypes();
-            const bool isEmpty = ( elemTypes->length() == 0 );
-
+            bool isEmpty = false;
+            if ( !isGroupOnFilter ) // GetTypes() can be very long on isGroupOnFilter!
+            {
+              SMESH::array_of_ElementType_var elemTypes = idSrc->GetTypes();
+              isEmpty = ( elemTypes->length() == 0 );
+            }
             if ( isEmpty )
               aPixmap->SetPixMap("ICON_SMESH_TREE_MESH_WARN");
             else if ( objType != GROUP )