+//================================================================================
+/*!
+ * \brief Return group items of a group present in a study
+ */
+//================================================================================
+
+static GEOM::GEOM_Object_ptr getGroupItemsFromStudy(CORBA::Object_ptr theMesh,
+ SMESH_Gen_i* theGen,
+ list<TopoDS_Shape> & theItems)
+{
+ GEOM::GEOM_Object_var groupObj;
+ SALOMEDS::Study_var study = theGen->GetCurrentStudy();
+ GEOM::GEOM_Gen_var geomGen = theGen->GetGeomEngine();
+ if ( study->_is_nil() || geomGen->_is_nil() )
+ return groupObj._retn();
+
+ GEOM::GEOM_IGroupOperations_var groupOp =
+ geomGen->GetIGroupOperations( theGen->GetCurrentStudyID() );
+ GEOM::GEOM_IShapesOperations_var shapeOp =
+ geomGen->GetIShapesOperations( theGen->GetCurrentStudyID() );
+
+ SALOMEDS::SObject_var meshOS = theGen->ObjectToSObject(study, theMesh);
+ if ( meshOS->_is_nil() || groupOp->_is_nil() || shapeOp->_is_nil() )
+ return groupObj._retn();
+ SALOMEDS::SObject_var fatherSO = meshOS->GetFather();
+ if ( fatherSO->_is_nil() || fatherSO->Tag() != theGen->GetSubMeshOnCompoundTag() )
+ return groupObj._retn(); // keep only submeshes on groups
+
+ SALOMEDS::ChildIterator_var anIter = study->NewChildIterator(meshOS);
+ if ( anIter->_is_nil() ) return groupObj._retn();
+ for ( ; anIter->More(); anIter->Next())
+ {
+ SALOMEDS::SObject_var aSObject = anIter->Value();
+ SALOMEDS::SObject_var aRefSO;
+ if ( !aSObject->_is_nil() && aSObject->ReferencedObject(aRefSO) )
+ {
+ groupObj = GEOM::GEOM_Object::_narrow(aRefSO->GetObject());
+ if ( groupObj->_is_nil() ) break;
+ GEOM::ListOfLong_var ids = groupOp->GetObjects( groupObj );
+ GEOM::GEOM_Object_var mainShape = groupObj->GetMainShape();
+ for ( int i = 0; i < ids->length(); ++i ) {
+ GEOM::GEOM_Object_var subShape = shapeOp->GetSubShape( mainShape, ids[i] );
+ TopoDS_Shape S = theGen->GeomObjectToShape( subShape );
+ if ( !S.IsNull() )
+ theItems.push_back( S );
+ }
+ break;
+ }
+ }
+ return groupObj._retn();
+}
+
+//=============================================================================
+/*!
+ * \brief Update hypotheses assigned to geom groups if the latter change
+ *
+ * NPAL16168: "geometrical group edition from a submesh don't modifiy mesh computation"
+ */
+//=============================================================================
+
+void SMESH_Mesh_i::CheckGeomGroupModif()
+{
+ if ( !_impl->HasShapeToMesh() ) return;
+
+ SALOMEDS::Study_var study = _gen_i->GetCurrentStudy();
+ if ( study->_is_nil() ) return;
+
+ // check if items of groups changed
+ map<int, ::SMESH_subMesh*>::iterator i_sm = _mapSubMesh.begin();
+ for ( ; i_sm != _mapSubMesh.end(); ++i_sm )
+ {
+ const TopoDS_Shape & oldGroupShape = i_sm->second->GetSubShape();
+ SMESHDS_SubMesh * oldDS = i_sm->second->GetSubMeshDS();
+ if ( !oldDS /*|| !oldDS->IsComplexSubmesh()*/ )
+ continue;
+ int oldID = i_sm->first;
+ map<int, SMESH::SMESH_subMesh_ptr>::iterator i_smIor = _mapSubMeshIor.find( oldID );
+ if ( i_smIor == _mapSubMeshIor.end() )
+ continue;
+ list< TopoDS_Shape> newItems;
+ GEOM::GEOM_Object_var groupObj = getGroupItemsFromStudy ( i_smIor->second, _gen_i, newItems );
+ if ( groupObj->_is_nil() )
+ continue;
+
+ int nbOldItems = oldDS->IsComplexSubmesh() ? oldDS->NbSubMeshes() : 1;
+ int nbNewItems = newItems.size();
+ bool groupChanged = ( nbOldItems != nbNewItems);
+ if ( !groupChanged ) {
+ if ( !oldDS->IsComplexSubmesh() ) { // old group has one item
+ groupChanged = ( oldGroupShape != newItems.front() );
+ }
+ else {
+ list<TopoDS_Shape>::iterator item = newItems.begin();
+ for ( ; item != newItems.end() && !groupChanged; ++item )
+ {
+ SMESHDS_SubMesh * itemDS = _impl->GetMeshDS()->MeshElements( *item );
+ groupChanged = ( !itemDS || !oldDS->ContainsSubMesh( itemDS ));
+ }
+ }
+ }
+ // update hypotheses and submeshes if necessary
+ if ( groupChanged )
+ {
+ // get a new group shape
+ GEOM_Client* geomClient = _gen_i->GetShapeReader();
+ if ( !geomClient ) continue;
+ TCollection_AsciiString groupIOR = _gen_i->GetGeomEngine()->GetStringFromIOR( groupObj );
+ geomClient->RemoveShapeFromBuffer( groupIOR );
+ TopoDS_Shape newGroupShape = _gen_i->GeomObjectToShape( groupObj );
+ // update hypotheses
+ list <const SMESHDS_Hypothesis * > hyps = _impl->GetHypothesisList(oldGroupShape);
+ list <const SMESHDS_Hypothesis * >::iterator hypIt;
+ for ( hypIt = hyps.begin(); hypIt != hyps.end(); ++hypIt )
+ {
+ _impl->RemoveHypothesis( oldGroupShape, (*hypIt)->GetID());
+ _impl->AddHypothesis ( newGroupShape, (*hypIt)->GetID());
+ }
+ // care of submeshes
+ SMESH_subMesh* newSubmesh = _impl->GetSubMesh( newGroupShape );
+ int newID = newSubmesh->GetId();
+ if ( newID != oldID ) {
+ _mapSubMesh [ newID ] = newSubmesh;
+ _mapSubMesh_i [ newID ] = _mapSubMesh_i [ oldID ];
+ _mapSubMeshIor[ newID ] = _mapSubMeshIor[ oldID ];
+ _mapSubMesh.erase (oldID);
+ _mapSubMesh_i.erase (oldID);
+ _mapSubMeshIor.erase(oldID);
+ _mapSubMesh_i [ newID ]->changeLocalId( newID );
+ }
+ }
+ }
+}
+