-#include <OCCViewer_ViewModel.h>
+// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
+//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+// File : GEOMGUI_Selection.cxx
+// Author : Alexander SOLOVYOV, Open CASCADE S.A.S. (alexander.solovyov@opencascade.com)
+//
#include "GEOMGUI_Selection.h"
+
+#include "GeometryGUI.h"
#include "GEOM_Displayer.h"
-#include "GEOMImpl_Types.hxx"
-#include <SalomeApp_DataOwner.h>
+#include <GEOM_Constants.h>
+
+#include <SalomeApp_Application.h>
#include <SalomeApp_Study.h>
+#include "LightApp_DataOwner.h"
+
#include <SUIT_Session.h>
+#include <SUIT_Desktop.h>
#include <SUIT_ViewWindow.h>
#include <SUIT_ViewManager.h>
-#include <SUIT_ViewModel.h>
-#include <SALOMEDSClient_SObject.hxx>
-#include <SALOMEDSClient_Study.hxx>
-#include <SALOMEDS_SObject.hxx>
#include <SALOME_Prs.h>
#include <SALOME_InteractiveObject.hxx>
#include <SOCC_Prs.h>
#include <SVTK_Prs.h>
#include <SALOME_Actor.h>
-#include <vtkActorCollection.h>
+#include <GEOM_Actor.h>
#include <OCCViewer_ViewModel.h>
+#include <SVTK_ViewModel.h>
+
+#include <GEOMImpl_Types.hxx>
+#include <GEOM_AISShape.hxx>
+
+// OCCT Includes
#include <AIS.hxx>
#include <AIS_InteractiveObject.hxx>
#include <AIS_ListOfInteractive.hxx>
+// VTK Includes
+#include <vtkActorCollection.h>
+
+#define OCC_DISPLAY_MODE_TO_STRING( str, dm ) { \
+ if ( dm == AIS_WireFrame ) \
+ str = QString( "Wireframe" ); \
+ else if ( dm == AIS_Shaded ) \
+ str = QString( "Shading" ); \
+ else if ( dm == GEOM_AISShape::ShadingWithEdges ) \
+ str = QString( "ShadingWithEdges" ); \
+ else if ( dm == GEOM_AISShape::TexturedShape ) \
+ str = QString( "Texture" ); \
+ else \
+ str = QString(); }
+
+#define VTK_DISPLAY_MODE_TO_STRING( str, dm ) { \
+ if ( dm == 0 ) \
+ str = QString( "Wireframe" ); \
+ else if ( dm == 1 ) \
+ str = QString( "Shading" ); \
+ else if ( dm == 3 ) \
+ str = QString( "ShadingWithEdges" ); \
+ else \
+ str = QString(); }
+
+#define USE_VISUAL_PROP_MAP
+
GEOMGUI_Selection::GEOMGUI_Selection()
+: LightApp_Selection()
{
}
{
}
-QtxValue GEOMGUI_Selection::globalParam( const QString& p ) const
+void GEOMGUI_Selection::init( const QString& context, LightApp_SelectionMgr* selMgr )
{
- if ( p == "isOCC" ) return QtxValue( isOCC() );
- else if ( p == "isActiveViewer" ) return QtxValue( isActiveViewer() );
+ LightApp_Selection::init( context, selMgr );
+
+ myObjects.resize( count() );
+
+ SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>( study() );
+ if ( appStudy ) {
+ _PTR(Study) study = appStudy->studyDS();
+ for ( int idx = 0; idx < count(); idx++ ) {
+ QString anEntry = entry( idx );
+ if ( study && !anEntry.isEmpty() ) {
+ _PTR(SObject) aSO( study->FindObjectID( anEntry.toStdString() ) );
+ if ( aSO ) {
+ CORBA::Object_var varObj = GeometryGUI::ClientSObjectToObject( aSO );
+ myObjects[idx] = GEOM::GEOM_Object::_narrow( varObj );
+ }
+ }
+ }
+ }
+}
- return SalomeApp_Selection::globalParam( p );
+//QVariant GEOMGUI_Selection::contextParameter( const QString& p ) const
+QVariant GEOMGUI_Selection::parameter( const QString& p ) const
+{
+ QVariant v;
+ if ( p == "isOCC" )
+ v = activeViewType() == OCCViewer_Viewer::Type();
+ else if ( p == "selectionmode" )
+ v = selectionMode();
+ else if ( p == "hasImported" )
+ v = hasImported();
+ else if ( p == "allImported" )
+ v = allImported();
+ else
+ v = LightApp_Selection::parameter( p );
+ return v;
}
-QtxValue GEOMGUI_Selection::param( const int ind, const QString& p ) const
+//QVariant GEOMGUI_Selection::objectParameter( const int idx, const QString& p ) const
+QVariant GEOMGUI_Selection::parameter( const int idx, const QString& p ) const
{
- if ( p == "isVisible" ) return QtxValue( isVisible( ind ) );
- else if ( p == "type" ) return QtxValue( typeName( ind ) );
- else if ( p == "displaymode" ) return QtxValue( displayMode( ind ) );
+ QVariant v;
+ if ( p == "type" )
+ v = typeName( idx );
+ else if ( p == "typeid" )
+ v = typeId( idx );
+ else if ( p == "displaymode" )
+ v = displayMode( idx );
+ else if ( p == "isAutoColor" )
+ v = isAutoColor( idx );
+ else if ( p == "isVectorsMode" )
+ v = isVectorsMode( idx );
+ else if ( p == "topLevel" )
+ v = topLevel( idx );
+ else if ( p == "hasHiddenChildren" )
+ v = hasHiddenChildren( idx );
+ else if ( p == "hasShownChildren" )
+ v = hasShownChildren( idx );
+ else if ( p == "compoundOfVertices" )
+ v = compoundOfVertices( idx );
+ else if ( p == "imported" )
+ v = isImported( idx );
+ else
+ v = LightApp_Selection::parameter( idx, p );
+
+ return v;
+}
- return SalomeApp_Selection::param( ind, p );
+// the method to skip temporary objects from selection (called from LightApp)
+bool GEOMGUI_Selection::processOwner( const LightApp_DataOwner* theOwner )
+{
+ return !theOwner->entry().contains("_");
}
QString GEOMGUI_Selection::typeName( const int index ) const
{
if ( isComponent( index ) )
return "Component";
+
+ static QString aGroup( "Group" );
+ static QString aShape( "Shape" );
+ static QString anUnknown( "Unknown" );
+
GEOM::GEOM_Object_var anObj = getObject( index );
if ( !CORBA::is_nil( anObj ) ) {
const int aGeomType = anObj->GetType();
if ( aGeomType == GEOM_GROUP )
- return "Group";
+ return aGroup;
else
- return "Shape";
+ return aShape;
}
- return "Unknown";
+ return anUnknown;
+}
+
+int GEOMGUI_Selection::typeId( const int index ) const
+{
+ int aType = -1;
+ GEOM::GEOM_Object_var anObj = getObject( index );
+ if ( !CORBA::is_nil( anObj ) )
+ aType = (int)anObj->GetShapeType();
+ return aType;
}
bool GEOMGUI_Selection::isVisible( const int index ) const
{
- GEOM::GEOM_Object_var obj = getObject( index );
- SALOME_View* view = GEOM_Displayer::GetActiveView();
- if ( !CORBA::is_nil( obj ) && view ) {
- Handle(SALOME_InteractiveObject) io = new SALOME_InteractiveObject( entry( index ).latin1(), "GEOM", "TEMP_IO" );
- return view->isVisible( io );
+ bool res = false;
+
+#ifdef USE_VISUAL_PROP_MAP
+ bool found = false;
+ QVariant v = visibleProperty( entry( index ), VISIBILITY_PROP );
+ if ( v.canConvert( QVariant::Bool ) ) {
+ res = v.toBool();
+ found = true;
}
+
+ if ( !found ) {
+#endif
+ GEOM::GEOM_Object_var obj = getObject( index );
+ SALOME_View* view = GEOM_Displayer::GetActiveView();
+ if ( !CORBA::is_nil( obj ) && view ) {
+ Handle(SALOME_InteractiveObject) io = new SALOME_InteractiveObject( entry( index ).toLatin1().constData(), "GEOM", "TEMP_IO" );
+ res = view->isVisible( io );
+ }
+#ifdef USE_VISUAL_PROP_MAP
+ }
+#endif
+
+ return res;
+}
+
+bool GEOMGUI_Selection::isAutoColor( const int index ) const
+{
+ GEOM::GEOM_Object_var obj = getObject( index );
+ if ( !CORBA::is_nil( obj ) )
+ return obj->GetAutoColor();
return false;
}
-bool GEOMGUI_Selection::isOCC() const
+bool GEOMGUI_Selection::isImported( const int index ) const
+{
+ GEOM::GEOM_Object_var obj = getObject( index );
+ if ( !CORBA::is_nil( obj ) )
+ return obj->GetType() == GEOM_IMPORT;
+ return false;
+}
+
+bool GEOMGUI_Selection::hasImported() const
+{
+ bool res = false;
+ for ( int i = 0; i < count() && !res; i++ )
+ res = isImported( i );
+ return res;
+}
+
+bool GEOMGUI_Selection::allImported() const
{
- SUIT_ViewWindow* window = SUIT_Session::session()->activeApplication()->desktop()->activeWindow();
- return ( window && window->getViewManager()->getType() == OCCViewer_Viewer::Type() );
+ bool res = true;
+ for ( int i = 0; i < count() && res; i++ )
+ res = isImported( i );
+ return res;
+}
+
+QVariant GEOMGUI_Selection::visibleProperty( const QString& entry, const QString& propName ) const
+{
+ QVariant v;
+ LightApp_Study* aStudy = study();
+ if ( aStudy ) {
+ LightApp_Application* anApp = ::qobject_cast<LightApp_Application*>( aStudy->application() );
+ if ( anApp && anApp->activeViewManager() ) {
+ int id = anApp->activeViewManager()->getGlobalId();
+ v = aStudy->getObjectProperty( id, entry, propName, QVariant() );
+ }
+ }
+ return v;
}
QString GEOMGUI_Selection::displayMode( const int index ) const
{
- SALOME_View* view = GEOM_Displayer::GetActiveView();
- if ( view ) {
- SALOME_Prs* prs = view->CreatePrs( entry( index ) );
- if ( prs ) {
- if ( isOCC() ) { // assuming OCC
- SOCC_Prs* occPrs = (SOCC_Prs*) prs;
- AIS_ListOfInteractive lst;
- occPrs->GetObjects( lst );
- if ( lst.Extent() ) {
- Handle(AIS_InteractiveObject) io = lst.First();
- if ( !io.IsNull() ) {
- int dm = io->DisplayMode();
- if ( dm == AIS_WireFrame )
- return "Wireframe";
- else if ( dm == AIS_Shaded )
- return "Shading";
- else { // return default display mode of AIS_InteractiveContext
- OCCViewer_Viewer* occViewer = (OCCViewer_Viewer*) SUIT_Session::session()->activeApplication()->desktop(
- )->activeWindow()->getViewManager()->getViewModel();
- Handle(AIS_InteractiveContext) ic = occViewer->getAISContext();
- dm = ic->DisplayMode();
- if ( dm == AIS_WireFrame )
- return "Wireframe";
- else if ( dm == AIS_Shaded )
- return "Shading";
+ QString res;
+ QString viewType = activeViewType();
+#ifdef USE_VISUAL_PROP_MAP
+ QVariant v = visibleProperty( entry( index ), DISPLAY_MODE_PROP );
+ if ( v.canConvert( QVariant::Int ) ) {
+ int dm = v.toInt();
+ if ( viewType == OCCViewer_Viewer::Type() ) {
+ OCC_DISPLAY_MODE_TO_STRING( res, dm );
+ } else if ( viewType == SVTK_Viewer::Type() ) {
+ VTK_DISPLAY_MODE_TO_STRING( res, dm );
+ }
+ }
+
+ if ( res.isEmpty() ) {
+#endif
+ SALOME_View* view = GEOM_Displayer::GetActiveView();
+ if ( view /*fix for 9320==>*/&& ( viewType == OCCViewer_Viewer::Type() || viewType == SVTK_Viewer::Type() ) ) {
+ SALOME_Prs* prs = view->CreatePrs( entry( index ).toLatin1().constData() );
+ if ( prs ) {
+ if ( viewType == OCCViewer_Viewer::Type() ) { // assuming OCC
+ SOCC_Prs* occPrs = (SOCC_Prs*) prs;
+ AIS_ListOfInteractive lst;
+ occPrs->GetObjects( lst );
+ if ( lst.Extent() ) {
+ Handle(AIS_InteractiveObject) io = lst.First();
+ if ( !io.IsNull() ) {
+ int dm = io->DisplayMode();
+ OCC_DISPLAY_MODE_TO_STRING( res, dm );
+ if ( res.isEmpty() ) { // return default display mode of AIS_InteractiveContext
+ OCCViewer_Viewer* occViewer = (OCCViewer_Viewer*)SUIT_Session::session()->activeApplication()->
+ desktop()->activeWindow()->getViewManager()->getViewModel();
+ Handle(AIS_InteractiveContext) ic = occViewer->getAISContext();
+ dm = ic->DisplayMode();
+ OCC_DISPLAY_MODE_TO_STRING( res, dm );
+ }
}
}
}
- }
- else { // assuming VTK
- SVTK_Prs* vtkPrs = (SVTK_Prs*) prs;
- vtkActorCollection* lst = vtkPrs->GetObjects();
- if ( lst ) {
- lst->InitTraversal();
- vtkActor* actor = lst->GetNextActor();
- if ( actor ) {
- SALOME_Actor* salActor = dynamic_cast<SALOME_Actor*>( actor );
- if ( salActor ) {
- int dm = salActor->getDisplayMode();
- if ( dm == 0 )
- return "Wireframe";
- else if ( dm == 1 )
- return "Shading";
- } // if ( salome actor )
- } // if ( actor )
- } // if ( lst == vtkPrs->GetObjects() )
- } // if VTK
+ else if ( viewType == SVTK_Viewer::Type() ) { // assuming VTK
+ SVTK_Prs* vtkPrs = dynamic_cast<SVTK_Prs*>( prs );
+ vtkActorCollection* lst = vtkPrs ? vtkPrs->GetObjects() : 0;
+ if ( lst ) {
+ lst->InitTraversal();
+ vtkActor* actor = lst->GetNextActor();
+ if ( actor ) {
+ SALOME_Actor* salActor = dynamic_cast<SALOME_Actor*>( actor );
+ if ( salActor ) {
+ int dm = salActor->getDisplayMode();
+ VTK_DISPLAY_MODE_TO_STRING( res, dm );
+ } // if ( salome actor )
+ } // if ( actor )
+ } // if ( lst == vtkPrs->GetObjects() )
+ } // if VTK
+ }
}
+
+#ifdef USE_VISUAL_PROP_MAP
}
- return "";
+#endif
+
+ return res;
}
-bool GEOMGUI_Selection::isComponent( const int index ) const
+bool GEOMGUI_Selection::isVectorsMode( const int index ) const
{
- SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>
- (SUIT_Session::session()->activeApplication()->activeStudy());
+ bool res = false;
- if ( appStudy && index >= 0 && index < count() ) {
- _PTR(Study) study = appStudy->studyDS();
- QString anEntry = entry( index );
+#ifdef USE_VISUAL_PROP_MAP
+ bool found = false;
+ QVariant v = visibleProperty( entry( index ), VECTOR_MODE_PROP );
+ if ( v.canConvert( QVariant::Bool ) ) {
+ res = v.toBool();
+ found = true;
+ }
- if ( study && !anEntry.isNull() ) {
- _PTR(SObject) aSO( study->FindObjectID( anEntry.latin1() ) );
- if ( aSO && aSO->GetFatherComponent() )
- return aSO->GetFatherComponent()->GetIOR() == aSO->GetIOR();
+ if ( !found ) {
+#endif
+ SALOME_View* view = GEOM_Displayer::GetActiveView();
+ QString viewType = activeViewType();
+ if ( view && ( viewType == OCCViewer_Viewer::Type() || viewType == SVTK_Viewer::Type() ) ) {
+ SALOME_Prs* prs = view->CreatePrs( entry( index ).toLatin1().constData() );
+ if ( prs ) {
+ if ( viewType == OCCViewer_Viewer::Type() ) { // assuming OCC
+ SOCC_Prs* occPrs = (SOCC_Prs*) prs;
+ AIS_ListOfInteractive lst;
+ occPrs->GetObjects( lst );
+ if ( lst.Extent() ) {
+ Handle(AIS_InteractiveObject) io = lst.First();
+ if ( !io.IsNull() ) {
+ Handle(GEOM_AISShape) aSh = Handle(GEOM_AISShape)::DownCast(io);
+ if ( !aSh.IsNull() )
+ res = aSh->isShowVectors();
+ }
+ }
+ } else if ( viewType == SVTK_Viewer::Type() ) { // assuming VTK
+ SVTK_Prs* vtkPrs = dynamic_cast<SVTK_Prs*>( prs );
+ vtkActorCollection* lst = vtkPrs ? vtkPrs->GetObjects() : 0;
+ if ( lst ) {
+ lst->InitTraversal();
+ vtkActor* actor = lst->GetNextActor();
+ if ( actor ) {
+ GEOM_Actor* aGeomActor = GEOM_Actor::SafeDownCast(actor);
+ if ( aGeomActor )
+ res = aGeomActor->GetVectorMode();
+ }
+ }
+ }
+ }
}
+#ifdef USE_VISUAL_PROP_MAP
}
- return false;
+#endif
+
+ return res;
}
-GEOM::GEOM_Object_ptr GEOMGUI_Selection::getObject( const int index ) const
+bool GEOMGUI_Selection::hasChildren( const _PTR(SObject)& obj )
+{
+ bool ok = false;
+ if ( obj ) {
+ _PTR(ChildIterator) it ( obj->GetStudy()->NewChildIterator( obj ) );
+ for ( ; it->More() && !ok; it->Next() ) {
+ _PTR(SObject) child = it->Value();
+ if ( child ) {
+ _PTR(SObject) refObj;
+ if ( child->ReferencedObject( refObj ) ) continue; // omit references
+ if ( child->GetName() != "" ) ok = true;
+ }
+ }
+ }
+ return ok;
+}
+
+bool GEOMGUI_Selection::expandable( const _PTR(SObject)& obj )
+{
+ bool exp = true;
+ _PTR(GenericAttribute) anAttr;
+ if ( obj && obj->FindAttribute( anAttr, "AttributeExpandable" ) ) {
+ _PTR(AttributeExpandable) aAttrExp = anAttr;
+ exp = aAttrExp->IsExpandable();
+ }
+ return exp;
+}
+
+bool GEOMGUI_Selection::isCompoundOfVertices( GEOM::GEOM_Object_ptr obj )
{
+ bool ret = false;
+ /*
SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>
- (SUIT_Session::session()->activeApplication()->activeStudy());
+ (SUIT_Session::session()->activeApplication()->activeStudy());*/
+ if ( /*appStudy && */!CORBA::is_nil( obj ) )
+ ret = obj->GetShapeType() == GEOM::COMPOUND && obj->GetMaxShapeType() == GEOM::VERTEX;
+ return ret;
+}
+
+bool GEOMGUI_Selection::hasHiddenChildren( const int index ) const
+{
+ bool OK = false;
+ SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>( study() );
- if ( appStudy && index >= 0 && index < count() ) {
+ if ( appStudy ) {
+ QString anEntry = entry( index );
_PTR(Study) study = appStudy->studyDS();
+ if ( study && !anEntry.isEmpty() ) {
+ _PTR(SObject) aSO( study->FindObjectID( anEntry.toStdString() ) );
+ OK = !expandable( aSO ) && hasChildren( aSO );
+ }
+ }
+ return OK;
+}
+
+bool GEOMGUI_Selection::hasShownChildren( const int index ) const
+{
+ bool OK = false;
+ SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>( study() );
+
+ if ( appStudy ) {
QString anEntry = entry( index );
+ _PTR(Study) study = appStudy->studyDS();
+ if ( study && !anEntry.isEmpty() ) {
+ _PTR(SObject) aSO( study->FindObjectID( anEntry.toStdString() ) );
+ OK = expandable( aSO ) && hasChildren( aSO );
+ }
+ }
+ return OK;
+}
- if ( study && !anEntry.isNull() ) {
- _PTR(SObject) aSO( study->FindObjectID( anEntry.latin1() ) );
- if ( aSO ) {
- SALOMEDS_SObject* aDSObj = dynamic_cast<SALOMEDS_SObject*>( aSO.get() );
- return GEOM::GEOM_Object::_narrow( aDSObj->GetObject() );
- }
+bool GEOMGUI_Selection::compoundOfVertices( const int index ) const
+{
+ GEOM::GEOM_Object_var obj = getObject( index );
+ return isCompoundOfVertices( obj );
+}
+
+bool GEOMGUI_Selection::isComponent( const int index ) const
+{
+ SalomeApp_Study* appStudy = dynamic_cast<SalomeApp_Study*>( study() );
+
+ if ( appStudy ) {
+ QString anEntry = entry( index );
+ _PTR(Study) study = appStudy->studyDS();
+ if ( study && !anEntry.isNull() ) {
+ _PTR(SObject) aSO( study->FindObjectID( anEntry.toStdString() ) );
+ if ( aSO && aSO->GetFatherComponent() )
+ return aSO->GetFatherComponent()->GetIOR() == aSO->GetIOR();
}
}
- return GEOM::GEOM_Object::_nil();
+ return false;
}
-bool GEOMGUI_Selection::isActiveViewer() const
+GEOM::GEOM_Object_ptr GEOMGUI_Selection::getObject( const int index ) const
{
- return ( SUIT_Session::session()->activeApplication()->desktop()->activeWindow() != 0 );
+ GEOM::GEOM_Object_var o;
+ if ( 0 <= index && index < myObjects.size() )
+ o = GEOM::GEOM_Object::_duplicate( myObjects[index] );
+ return o._retn();
}
+QString GEOMGUI_Selection::selectionMode() const
+{
+ SalomeApp_Application* app = dynamic_cast<SalomeApp_Application*>( study()->application() );
+ if ( app ) {
+ GeometryGUI* aGeomGUI = dynamic_cast<GeometryGUI*>( app->module( "Geometry" ) );
+ if ( aGeomGUI ) {
+ switch ( aGeomGUI->getLocalSelectionMode() )
+ {
+ case GEOM_POINT : return "VERTEX";
+ case GEOM_EDGE : return "EDGE";
+ case GEOM_WIRE : return "WIRE";
+ case GEOM_FACE : return "FACE";
+ case GEOM_SHELL : return "SHELL";
+ case GEOM_SOLID : return "SOLID";
+ case GEOM_COMPOUND : return "COMPOUND";
+ case GEOM_ALLOBJECTS : return "ALL";
+ default: return "";
+ }
+ }
+ }
+ return "";
+}
+
+bool GEOMGUI_Selection::topLevel( const int index ) const {
+ bool res = false;
+
+#ifdef USE_VISUAL_PROP_MAP
+ bool found = false;
+ QVariant v = visibleProperty( entry( index ), TOP_LEVEL_PROP );
+ if ( v.canConvert<bool>() ) {
+ res = v.toBool();
+ found = true;
+ }
+
+ if ( !found ) {
+#endif
+ SALOME_View* view = GEOM_Displayer::GetActiveView();
+ QString viewType = activeViewType();
+ if ( view && viewType == OCCViewer_Viewer::Type() ) {
+ SALOME_Prs* prs = view->CreatePrs( entry( index ).toLatin1().constData() );
+ if ( prs ) {
+ if ( viewType == OCCViewer_Viewer::Type() ) { // assuming OCC
+ SOCC_Prs* occPrs = (SOCC_Prs*) prs;
+ AIS_ListOfInteractive lst;
+ occPrs->GetObjects( lst );
+ if ( lst.Extent() ) {
+ Handle(AIS_InteractiveObject) io = lst.First();
+ if ( !io.IsNull() ) {
+ Handle(GEOM_AISShape) aSh = Handle(GEOM_AISShape)::DownCast(io);
+ if ( !aSh.IsNull() )
+ res = (bool)aSh->isTopLevel();
+ }
+ }
+ }
+ }
+ }
+ }
+ return res;
+}