From ad501c420baa8e27201cd564f9ebace6d6fe0626 Mon Sep 17 00:00:00 2001
From: eap <eap@opencascade.com>
Date: Fri, 4 Oct 2013 10:08:21 +0000
Subject: [PATCH] 0022172: [CEA 790] create the groups corresponding to domains
 (note 0016221)

Fix Clear() for the mesh w/o shape
---
 src/SMESH/SMESH_Mesh.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/SMESH/SMESH_Mesh.cxx b/src/SMESH/SMESH_Mesh.cxx
index a8a789fbd..486bea51b 100644
--- a/src/SMESH/SMESH_Mesh.cxx
+++ b/src/SMESH/SMESH_Mesh.cxx
@@ -366,7 +366,10 @@ void SMESH_Mesh::Clear()
   {
     if ( SMESH_subMesh *sm = GetSubMeshContaining( GetShapeToMesh() ) )
     {
-      SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/true,
+      sm->ComputeStateEngine( SMESH_subMesh::CHECK_COMPUTE_STATE );
+      sm->ComputeStateEngine( SMESH_subMesh::CLEAN ); // for event listeners (issue 0020918)
+
+      SMESH_subMeshIteratorPtr smIt = sm->getDependsOnIterator(/*includeSelf=*/false,
                                                                /*complexShapeFirst=*/true);
       while ( smIt->more() )
       {
-- 
2.39.2