+ //================================================================================
+ /*!
+ * \brief Remove/update actors while module activation
+ * \param [in] wnd - window
+ *
+ * At module activation, groups and sub-meshes can be removed on engine side due
+ * to modification of meshed geometry, while their actors can remain.
+ * Here we remove/update SMESH_Actor's of changed objects. State (emptiness) of objects
+ * is defined by their icons in the Object Browser
+ */
+ //================================================================================
+
+ void UpdateActorsAfterUpdateStudy( SUIT_ViewWindow* theWindow )
+ {
+ const char* emptyIcon = "ICON_SMESH_TREE_MESH_WARN";
+ _PTR(Study) aStudy = SMESH::getStudy();
+
+ if ( SVTK_ViewWindow* aViewWindow = GetVtkViewWindow( theWindow ))
+ {
+ vtkRenderer *aRenderer = aViewWindow->getRenderer();
+ VTK::ActorCollectionCopy aCopy(aRenderer->GetActors());
+ vtkActorCollection *aCollection = aCopy.GetActors();
+ aCollection->InitTraversal();
+ while ( vtkActor *actor = aCollection->GetNextActor() ) {
+ if ( SMESH_Actor *smeshActor = dynamic_cast<SMESH_Actor*>( actor ))
+ {
+ if ( !smeshActor->hasIO() )
+ continue;
+ Handle(SALOME_InteractiveObject) io = smeshActor->getIO();
+ if ( !io->hasEntry() )
+ continue;
+ _PTR(SObject) so = aStudy->FindObjectID( io->getEntry() );
+ if ( !so )
+ continue; // seems impossible
+
+ CORBA::Object_var obj = SMESH::SObjectToObject( so );
+ if ( CORBA::is_nil( obj )) // removed object
+ {
+ RemoveActor( theWindow, smeshActor );
+ continue;
+ }
+
+ bool toShow = smeshActor->GetVisibility();
+ _PTR(GenericAttribute) attr;
+ if ( toShow && so->FindAttribute( attr, "AttributePixMap" )) // check emptiness
+ {
+ _PTR(AttributePixMap) pixMap = attr;
+ toShow = ( pixMap->GetPixMap() != emptyIcon );
+ }
+ smeshActor->Update();
+ UpdateView( theWindow, toShow ? eDisplay : eErase, io->getEntry() );
+ }
+ }
+ }
+ return;
+ }
+
+ //================================================================================
+ /*!
+ * \brief Remove/update actors while module activation
+ *
+ * At module activation, groups and sub-meshes can be removed on engine side due
+ * to modification of meshed geometry, while their actors can remain.
+ * Here we remove/update SMESH_Actor's of changed objects. State (emptiness) of objects
+ * is defined by their icons in the Object Browser
+ */
+ //================================================================================
+
+ void UpdateActorsAfterUpdateStudy()
+ {
+ SUIT_Study* study = SMESH::GetActiveStudy();
+ if ( SUIT_Desktop* desk = study->application()->desktop() )
+ {
+ QList<SUIT_ViewWindow*> wndList = desk->windows();
+ SUIT_ViewWindow* wnd;
+ foreach ( wnd, wndList )
+ SMESH::UpdateActorsAfterUpdateStudy(wnd);
+ }
+ }
+
