Salome HOME
Update copyright
[modules/smesh.git] / src / SMESHGUI / SMESHGUI_ClippingDlg.cxx
index d98228dde97b9bb7bbc93a283cf3b76406fa4808..4cbbfff65ebcd5aa0eeb5ad69e7f95f31814c4e1 100644 (file)
-//  SMESH SMESHGUI : GUI for SMESH component
+// Copyright (C) 2007-2011  CEA/DEN, EDF R&D, OPEN CASCADE
 //
-//  Copyright (C) 2003  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
+// 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   : SMESHGUI_ClippingDlg.cxx
-//  Author : Nicolas REJNERI
-//  Module : SMESH
-//  $Header$
 
+// SMESH SMESHGUI : GUI for SMESH component
+// File   : SMESHGUI_ClippingDlg.cxx
+// Author : Nicolas REJNERI, Open CASCADE S.A.S.
+// SMESH includes
+//
 #include "SMESHGUI_ClippingDlg.h"
 
 #include "SMESHGUI.h"
 #include "SMESHGUI_Utils.h"
 #include "SMESHGUI_VTKUtils.h"
+#include "SMESHGUI_SpinBox.h"
 
-#include <algorithm>
+#include <SMESH_Actor.h>
+#include <SMESH_ActorUtils.h>
 
-// QT Includes
-#include <qlabel.h>
-#include <qpushbutton.h>
-#include <qcombobox.h>
-#include <qcheckbox.h>
-#include <qlayout.h>
-#include <qgroupbox.h>
+// SALOME GUI includes
+#include <SUIT_Desktop.h>
+#include <SUIT_Session.h>
+#include <SUIT_OverrideCursor.h>
+#include <SUIT_MessageBox.h>
+#include <SUIT_ResourceMgr.h>
+#include <SUIT_ViewManager.h>
 
-#include <vtkMath.h>
-#include <vtkCamera.h>
-#include <vtkRenderer.h>
-#include <vtkImplicitBoolean.h>
-#include <vtkImplicitFunctionCollection.h>
-#include <vtkObjectFactory.h>
+#include <SALOME_ListIO.hxx>
+
+#include <SalomeApp_Study.h>
+
+#include <LightApp_Application.h>
+
+#include <VTKViewer_Algorithm.h>
+
+#include <SVTK_ViewWindow.h>
+
+// Qt includes
+#include <QLabel>
+#include <QPushButton>
+#include <QComboBox>
+#include <QCheckBox>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QGridLayout>
+#include <QGroupBox>
+#include <QKeyEvent>
+#include <QListWidget>
 
+// VTK includes
+#include <vtkMath.h>
 #include <vtkDataSet.h>
 #include <vtkDataSetMapper.h>
 #include <vtkPlaneSource.h>
-#include <vtkPolyData.h>
+#include <vtkProperty.h>
+#include <vtkRenderer.h>
 
-#include "VTKViewer_ViewFrame.h"
-#include "QAD_RightFrame.h"
-#include "QAD_WaitCursor.h"
-#include "SALOME_ListIteratorOfListIO.hxx"
-#include "SMESH_Actor.h"
-#include "SALOME_Selection.h"
-#include "SALOME_InteractiveObject.hxx"
-#include "SMESH_ActorUtils.h"
+#define SPACING 6
+#define MARGIN  11
 
-using namespace std;
+//=================================================================================
+// class    : OrientedPlane
+// purpose  :
+//=================================================================================
+SMESH::OrientedPlane* SMESH::OrientedPlane::New()
+{
+  return new OrientedPlane();
+}
 
+SMESH::OrientedPlane* SMESH::OrientedPlane::New(SVTK_ViewWindow* theViewWindow)
+{
+  return new OrientedPlane(theViewWindow);
+}
 
-class OrientedPlane: public vtkPlane
+void SMESH::OrientedPlane::ShallowCopy(SMESH::OrientedPlane* theOrientedPlane)
 {
-  QAD_Study* myStudy;
-  QAD_StudyFrame* myStudyFrame;
-  VTKViewer_ViewFrame* myViewFrame;
-  
-  vtkDataSetMapper* myMapper;
+  SetNormal(theOrientedPlane->GetNormal());
+  SetOrigin(theOrientedPlane->GetOrigin());
 
+  myOrientation = theOrientedPlane->GetOrientation();
+  myDistance = theOrientedPlane->GetDistance();
 
-public:
-  static OrientedPlane *New(){
-    return new OrientedPlane();
-  }
-  static OrientedPlane *New(QAD_Study* theStudy){
-    return new OrientedPlane(theStudy);
-  }
-  vtkTypeMacro(OrientedPlane, vtkPlane);
-  
-  
-  SMESH::Orientation myOrientation;
-  float myDistance;
-  double myAngle[2];
+  myAngle[0] = theOrientedPlane->myAngle[0];
+  myAngle[1] = theOrientedPlane->myAngle[1];
 
-  vtkPlaneSource* myPlaneSource;
-  SALOME_Actor *myActor;
-  
-  void SetOrientation(SMESH::Orientation theOrientation) {myOrientation = theOrientation;}
-  SMESH::Orientation GetOrientation() {return myOrientation;}
+  myPlaneSource->SetNormal(theOrientedPlane->myPlaneSource->GetNormal());
+  myPlaneSource->SetOrigin(theOrientedPlane->myPlaneSource->GetOrigin());
+  myPlaneSource->SetPoint1(theOrientedPlane->myPlaneSource->GetPoint1());
+  myPlaneSource->SetPoint2(theOrientedPlane->myPlaneSource->GetPoint2());
+}
 
-  void SetDistance(float theDistance) {myDistance = theDistance;}
-  float GetDistance() {return myDistance;}
+SMESH::OrientedPlane::OrientedPlane(SVTK_ViewWindow* theViewWindow):
+  myViewWindow(theViewWindow),
+  myOrientation(SMESH::XY),
+  myDistance(0.5)
+{
+  Init();
+  myViewWindow->AddActor(myActor, false, false); // don't adjust actors
+}
 
-  void ShallowCopy(OrientedPlane* theOrientedPlane){
-    SetNormal(theOrientedPlane->GetNormal());
-    SetOrigin(theOrientedPlane->GetOrigin());
+SMESH::OrientedPlane::OrientedPlane():
+  myOrientation(SMESH::XY),
+  myViewWindow(NULL),
+  myDistance(0.5)
+{
+  Init();
+}
 
-    myOrientation = theOrientedPlane->GetOrientation();
-    myDistance = theOrientedPlane->GetDistance();
+void SMESH::OrientedPlane::Init()
+{
+  myPlaneSource = vtkPlaneSource::New();
+
+  myAngle[0] = myAngle[1] = 0.0;
+
+  // Create and display actor
+  myMapper = vtkDataSetMapper::New();
+  myMapper->SetInput(myPlaneSource->GetOutput());
+
+  myActor = SALOME_Actor::New();
+  myActor->VisibilityOff();
+  myActor->PickableOff();
+  myActor->SetInfinitive(true);
+  myActor->SetMapper(myMapper);
+
+  vtkFloatingPointType anRGB[3];
+  vtkProperty* aProp = vtkProperty::New();
+  SMESH::GetColor( "SMESH", "fill_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 170, 255 ) );
+  aProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
+  aProp->SetOpacity(0.75);
+  myActor->SetProperty(aProp);
+  aProp->Delete();
+
+  vtkProperty* aBackProp = vtkProperty::New();
+  SMESH::GetColor( "SMESH", "backface_color", anRGB[0], anRGB[1], anRGB[2], QColor( 0, 0, 255 ) );
+  aBackProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
+  aBackProp->SetOpacity(0.75);
+  myActor->SetBackfaceProperty(aBackProp);
+  aBackProp->Delete();
+}
 
-    myAngle[0] = theOrientedPlane->myAngle[0];
-    myAngle[1] = theOrientedPlane->myAngle[1];
+SMESH::OrientedPlane::~OrientedPlane()
+{
+  if (myViewWindow)
+    myViewWindow->RemoveActor(myActor);
+  myActor->Delete();
+    
+  myMapper->RemoveAllInputs();
+  myMapper->Delete();
 
-    myPlaneSource->SetNormal(theOrientedPlane->myPlaneSource->GetNormal());
-    myPlaneSource->SetOrigin(theOrientedPlane->myPlaneSource->GetOrigin());
-    myPlaneSource->SetPoint1(theOrientedPlane->myPlaneSource->GetPoint1());
-    myPlaneSource->SetPoint2(theOrientedPlane->myPlaneSource->GetPoint2());
-  }
+  // commented: porting to vtk 5.0
+  //    myPlaneSource->UnRegisterAllOutputs();
+  myPlaneSource->Delete();
+}
 
-protected:
-  OrientedPlane(QAD_Study* theStudy):
-    myOrientation(SMESH::XY),
-    myDistance(0.5),
-    myStudy(theStudy),
-    myStudyFrame(theStudy->getActiveStudyFrame()),
-    myViewFrame(SMESH::GetVtkViewFrame(theStudy->getActiveStudyFrame()))
-  {
-    Init();
-    myViewFrame->AddActor( myActor );
+//=================================================================================
+// class    : ActorItem
+// purpose  :
+//=================================================================================
+class ActorItem : public QListWidgetItem
+{
+public:
+  ActorItem( SMESH_Actor* theActor, const QString& theName, QListWidget* theListWidget ) :
+    QListWidgetItem( theName, theListWidget ),
+    myActor( theActor ) {}
+
+  SMESH_Actor* getActor() const { return myActor; }
+
+private:
+  SMESH_Actor* myActor;
+};
+
+//=================================================================================
+// class    : TSetVisibility
+// purpose  :
+//=================================================================================
+struct TSetVisibility {
+  TSetVisibility(int theIsVisible): myIsVisible(theIsVisible){}
+  void operator()(SMESH::TPlaneData& thePlaneData){
+    bool anIsEmpty = thePlaneData.ActorList.empty();
+    thePlaneData.Plane.GetPointer()->myActor->SetVisibility(myIsVisible && !anIsEmpty);
   }
+  int myIsVisible;
+};
+
+//=================================================================================
+// used in SMESHGUI::restoreVisualParameters() to avoid
+// declaration of OrientedPlane outside of SMESHGUI_ClippingDlg.cxx
+//=================================================================================
+SMESH::OrientedPlane* SMESHGUI_ClippingDlg::AddPlane (SMESH::TActorList          theActorList,
+                                                      SVTK_ViewWindow*           theViewWindow,
+                                                      SMESH::Orientation         theOrientation,
+                                                      double                     theDistance,
+                                                      const vtkFloatingPointType theAngle[2])
+{
+  SMESH::OrientedPlane* aPlane = SMESH::OrientedPlane::New(theViewWindow);
+
+  aPlane->myAngle[0] = theAngle[0];
+  aPlane->myAngle[1] = theAngle[1];
 
-  OrientedPlane():
-    myOrientation(SMESH::XY),
-    myDistance(0.5),
-    myStudy(NULL),
-    myStudyFrame(NULL),
-    myViewFrame(NULL)
+  aPlane->SetOrientation(theOrientation);
+  aPlane->SetDistance(theDistance);
+
+  vtkFloatingPointType aNormal[3];
+  vtkFloatingPointType aDir[2][3] = {{0, 0, 0}, {0, 0, 0}};
   {
-    Init();
-  }
+    static double aCoeff = vtkMath::Pi()/180.0;
 
-  void Init(){
-    myPlaneSource = vtkPlaneSource::New();
+    vtkFloatingPointType anU[2] = {cos(aCoeff * theAngle[0]), cos(aCoeff * theAngle[1])};
+    vtkFloatingPointType aV[2] = {sqrt(1.0 - anU[0]*anU[0]), sqrt(1.0 - anU[1]*anU[1])};
+    aV[0] = theAngle[0] > 0? aV[0]: -aV[0];
+    aV[1] = theAngle[1] > 0? aV[1]: -aV[1];
 
-    myAngle[0] = myAngle[1] = 0.0;
+    switch (theOrientation) {
+    case SMESH::XY:
+      aDir[0][1] = anU[0];
+      aDir[0][2] = aV[0];
 
-    // Create and display actor
-    myMapper = vtkDataSetMapper::New();
-    myMapper->SetInput( myPlaneSource->GetOutput() );
-    
-    myActor = SALOME_Actor::New();
-    myActor->VisibilityOff();
-    myActor->PickableOff();
-    myActor->SetInfinitive(true);
-    myActor->SetMapper( myMapper );
-
-    static float anOpacity = 0.75;
-
-    vtkProperty* aProp = vtkProperty::New();
-    float anRGB[3];
-    anRGB[0] = SMESH::GetFloat("SMESH:SettingsFillColorRed", 0)/255.;
-    anRGB[1] = SMESH::GetFloat("SMESH:SettingsFillColorGreen", 170)/255.;
-    anRGB[2] = SMESH::GetFloat("SMESH:SettingsFillColorBlue", 255)/255.;
-    aProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-    aProp->SetOpacity(0.75);
-    myActor->SetProperty( aProp );
-    aProp->Delete();
-    
-    vtkProperty* aBackProp = vtkProperty::New();
-    anRGB[0] = SMESH::GetFloat("SMESH:SettingsBackFaceColorRed", 0)/255.;
-    anRGB[1] = SMESH::GetFloat("SMESH:SettingsBackFaceColorGreen", 0)/255.;
-    anRGB[2] = SMESH::GetFloat("SMESH:SettingsBackFaceColorBlue", 255)/255.;
-    aBackProp->SetColor(anRGB[0],anRGB[1],anRGB[2]);
-    aBackProp->SetOpacity(0.75);
-    myActor->SetBackfaceProperty( aBackProp );
-    aBackProp->Delete();
-  }
+      aDir[1][0] = anU[1];
+      aDir[1][2] = aV[1];
+
+      break;
+    case SMESH::YZ:
+      aDir[0][2] = anU[0];
+      aDir[0][0] = aV[0];
+
+      aDir[1][1] = anU[1];
+      aDir[1][0] = aV[1];
+
+      break;
+    case SMESH::ZX:
+      aDir[0][0] = anU[0];
+      aDir[0][1] = aV[0];
 
-  ~OrientedPlane(){
-    if(myStudy && SMESH::FindVtkViewFrame(myStudy,myStudyFrame)){
-      myViewFrame->RemoveActor(myActor);
+      aDir[1][2] = anU[1];
+      aDir[1][1] = aV[1];
+
+      break;
     }
-    myActor->Delete();
-    
-    myMapper->RemoveAllInputs();
-    myMapper->Delete();
-    
-    myPlaneSource->UnRegisterAllOutputs();
-    myPlaneSource->Delete();
-  };
-  
-private:
-  // Not implemented.
-  OrientedPlane(const OrientedPlane&); 
-  void operator=(const OrientedPlane&);
 
-};
+    vtkMath::Cross(aDir[1],aDir[0],aNormal);
+    vtkMath::Normalize(aNormal);
+    vtkMath::Cross(aNormal,aDir[1],aDir[0]);
+  }
 
-struct TSetVisiblity{
-  TSetVisiblity(int theIsVisible): myIsVisible(theIsVisible){}
-  void operator()(SMESH::TVTKPlane& theOrientedPlane){
-    theOrientedPlane->myActor->SetVisibility(myIsVisible);
+  vtkFloatingPointType aBounds[6];
+  vtkFloatingPointType anOrigin[3];
+
+  bool anIsOk = false;
+  if( theActorList.empty() ) {
+    // to support planes with empty actor list we should create
+    // a nullified plane that will be initialized later 
+    anOrigin[0] = anOrigin[1] = anOrigin[2] = 0;
+    aBounds[0] = aBounds[2] = aBounds[4] = 0;
+    aBounds[1] = aBounds[3] = aBounds[5] = 0;
+    anIsOk = true;
   }
-  int myIsVisible;
-};
+  else
+    anIsOk = SMESH::ComputeClippingPlaneParameters( theActorList,
+                                                    aNormal,
+                                                    theDistance,
+                                                    aBounds,
+                                                    anOrigin );
+  if( !anIsOk )
+    return NULL;
+
+  aPlane->SetNormal( aNormal );
+  aPlane->SetOrigin( anOrigin );
+
+  vtkFloatingPointType aPnt[3] = { ( aBounds[0] + aBounds[1] ) / 2.,
+                                   ( aBounds[2] + aBounds[3] ) / 2.,
+                                   ( aBounds[4] + aBounds[5] ) / 2. };
+
+  vtkFloatingPointType aDel = pow( pow( aBounds[1] - aBounds[0], 2 ) +
+                                   pow( aBounds[3] - aBounds[2], 2 ) +
+                                   pow( aBounds[5] - aBounds[4], 2 ), 0.5 );
+
+  vtkFloatingPointType aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
+                                       {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
+  vtkFloatingPointType aParam, aPnt0[3], aPnt1[3], aPnt2[3];
+
+  vtkFloatingPointType aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt02[3] = {aPnt01[0] + aNormal[0],
+                                    aPnt01[1] + aNormal[1],
+                                    aPnt01[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt01,aPnt02,aNormal,anOrigin,aParam,aPnt0);
 
+  vtkFloatingPointType aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0],
+                                    aPnt[1] - aDelta[0][1] + aDelta[1][1],
+                                    aPnt[2] - aDelta[0][2] + aDelta[1][2]};
+  vtkFloatingPointType aPnt12[3] = {aPnt11[0] + aNormal[0],
+                                    aPnt11[1] + aNormal[1],
+                                    aPnt11[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt11,aPnt12,aNormal,anOrigin,aParam,aPnt1);
+
+  vtkFloatingPointType aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0],
+                                    aPnt[1] + aDelta[0][1] - aDelta[1][1],
+                                    aPnt[2] + aDelta[0][2] - aDelta[1][2]};
+  vtkFloatingPointType aPnt22[3] = {aPnt21[0] + aNormal[0],
+                                    aPnt21[1] + aNormal[1],
+                                    aPnt21[2] + aNormal[2]};
+  vtkPlane::IntersectWithLine(aPnt21,aPnt22,aNormal,anOrigin,aParam,aPnt2);
+
+  vtkPlaneSource* aPlaneSource = aPlane->myPlaneSource;
+  aPlaneSource->SetNormal(aNormal[0],aNormal[1],aNormal[2]);
+  aPlaneSource->SetOrigin(aPnt0[0],aPnt0[1],aPnt0[2]);
+  aPlaneSource->SetPoint1(aPnt1[0],aPnt1[1],aPnt1[2]);
+  aPlaneSource->SetPoint2(aPnt2[0],aPnt2[1],aPnt2[2]);
+
+  SMESH::TActorList::iterator anIter = theActorList.begin();
+  for ( ; anIter != theActorList.end(); anIter++ )
+    if( vtkActor* aVTKActor = *anIter )
+      if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) )
+        anActor->AddClippingPlane( aPlane );
+
+  return aPlane;
+}
 
 //=================================================================================
 // class    : SMESHGUI_ClippingDlg()
-// purpose  : 
+// purpose  :
 //
 //=================================================================================
-SMESHGUI_ClippingDlg::SMESHGUI_ClippingDlg( QWidget* parent,
-                                           const char* name,
-                                           bool modal,
-                                           WFlags fl )
-  : QDialog( parent, name, modal, WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu | WDestructiveClose )
-{
-  if ( !name )
-    setName( "SMESHGUI_ClippingDlg" );
-  setCaption( tr( "SMESH_CLIPPING_TITLE"  ) );
-  setSizeGripEnabled( TRUE );
-  QGridLayout* SMESHGUI_ClippingDlgLayout = new QGridLayout( this ); 
-  SMESHGUI_ClippingDlgLayout->setSpacing( 6 );
-  SMESHGUI_ClippingDlgLayout->setMargin( 11 );
+SMESHGUI_ClippingDlg::SMESHGUI_ClippingDlg( SMESHGUI* theModule, SVTK_ViewWindow* theViewWindow ):
+  QDialog( SMESH::GetDesktop(theModule) ),
+  mySMESHGUI(theModule),
+  myViewWindow(theViewWindow)
+{
+  setModal( false );
+  setAttribute( Qt::WA_DeleteOnClose, true );
+  setWindowTitle(tr("SMESH_CLIPPING_TITLE"));
+  setSizeGripEnabled(true);
+
+  QVBoxLayout* SMESHGUI_ClippingDlgLayout = new QVBoxLayout(this);
+  SMESHGUI_ClippingDlgLayout->setSpacing(SPACING);
+  SMESHGUI_ClippingDlgLayout->setMargin(MARGIN);
 
   // Controls for selecting, creating, deleting planes
-  QGroupBox* GroupPlanes = new QGroupBox( this, "GroupPlanes" );
-  GroupPlanes->setTitle( tr("Clipping planes") );
-  GroupPlanes->setColumnLayout(0, Qt::Vertical);
-  GroupPlanes->layout()->setSpacing( 0 );
-  GroupPlanes->layout()->setMargin( 0 );
-  QGridLayout* GroupPlanesLayout = new QGridLayout( GroupPlanes->layout() );
-  GroupPlanesLayout->setAlignment( Qt::AlignTop );
-  GroupPlanesLayout->setSpacing( 6 );
-  GroupPlanesLayout->setMargin( 11 );
-  
-  ComboBoxPlanes = new QComboBox(GroupPlanes, "ComboBoxPlanes");
-  GroupPlanesLayout->addWidget( ComboBoxPlanes, 0, 0 );
-  
-  QSpacerItem* spacerGP = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
-  GroupPlanesLayout->addItem( spacerGP, 0, 1 );
-  
-  buttonNew = new QPushButton( GroupPlanes, "buttonNew" );
-  buttonNew->setText( tr( "SMESH_BUT_NEW"  ) );
-  GroupPlanesLayout->addWidget( buttonNew, 0, 2 );
-  
-  buttonDelete = new QPushButton( GroupPlanes, "buttonDelete" );
-  buttonDelete->setText( tr( "SMESH_BUT_DELETE"  ) );
-  GroupPlanesLayout->addWidget( buttonDelete, 0, 3 );
+  QGroupBox* GroupPlanes = new QGroupBox(tr("CLIP_PLANES"), this);
+  QGridLayout* GroupPlanesLayout = new QGridLayout(GroupPlanes);
+  GroupPlanesLayout->setSpacing(SPACING);
+  GroupPlanesLayout->setMargin(MARGIN);
+
+  ComboBoxPlanes = new QComboBox(GroupPlanes);
+
+  buttonNew = new QPushButton(tr("SMESH_BUT_NEW"), GroupPlanes);
+
+  buttonDelete = new QPushButton(tr("SMESH_BUT_DELETE"), GroupPlanes);
+
+  QLabel* aLabel = new QLabel(tr("MESHES_SUBMESHES_GROUPS"), GroupPlanes);
+
+  ActorList = new QListWidget(GroupPlanes);
+  ActorList->setSelectionMode(QAbstractItemView::SingleSelection);
+
+  SelectAllCheckBox = new QCheckBox(tr("SELECT_ALL"), GroupPlanes);
+
+  GroupPlanesLayout->addWidget(ComboBoxPlanes,    0, 0);
+  GroupPlanesLayout->addWidget(new QWidget(),     0, 1);
+  GroupPlanesLayout->addWidget(buttonNew,         0, 2);
+  GroupPlanesLayout->addWidget(buttonDelete,      0, 3);
+  GroupPlanesLayout->addWidget(aLabel,            1, 0, 1, 4);
+  GroupPlanesLayout->addWidget(ActorList,         2, 0, 1, 4);
+  GroupPlanesLayout->addWidget(SelectAllCheckBox, 3, 0, 1, 4);
+  GroupPlanesLayout->setColumnStretch( 1, 1 );
 
   // Controls for defining plane parameters
-  QGroupBox* GroupParameters = new QGroupBox( this, "GroupParameters" );
-  GroupParameters->setTitle( tr("SMESH_PARAMETERS") );
-  GroupParameters->setColumnLayout(0, Qt::Vertical);
-  GroupParameters->layout()->setSpacing( 0 );
-  GroupParameters->layout()->setMargin( 0 );
-  QGridLayout* GroupParametersLayout = new QGridLayout( GroupParameters->layout() );
-  GroupParametersLayout->setAlignment( Qt::AlignTop );
-  GroupParametersLayout->setSpacing( 6 );
-  GroupParametersLayout->setMargin( 11 );
-  
-  TextLabelOrientation = new QLabel( GroupParameters, "TextLabelOrientation" );
-  TextLabelOrientation->setText( tr("SMESH_ORIENTATION") );
-  GroupParametersLayout->addWidget( TextLabelOrientation, 0, 0 );
-  
-  ComboBoxOrientation = new QComboBox(GroupParameters, "ComboBoxOrientation");
-  GroupParametersLayout->addWidget( ComboBoxOrientation, 0, 1 );
-  
-  TextLabelDistance = new QLabel( GroupParameters, "TextLabelDistance" );
-  TextLabelDistance->setText( tr("SMESH_DISTANCE") );
-  GroupParametersLayout->addWidget( TextLabelDistance, 1, 0 );
-
-  SpinBoxDistance = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxDistance" );
-  GroupParametersLayout->addWidget( SpinBoxDistance, 1, 1 );
-
-  TextLabelRot1 = new QLabel( GroupParameters, "TextLabelRot1" );
-  TextLabelRot1->setText( tr("Rotation around X (Y to Z):") );
-  GroupParametersLayout->addWidget( TextLabelRot1, 2, 0 );
-
-  SpinBoxRot1 = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxRot1" );
-  GroupParametersLayout->addWidget( SpinBoxRot1, 2, 1 );
-  TextLabelRot2 = new QLabel( GroupParameters, "TextLabelRot2" );
-  TextLabelRot2->setText( tr("Rotation around Y (X to Z):") );
-  GroupParametersLayout->addWidget( TextLabelRot2, 3, 0 );
-  
-  SpinBoxRot2 = new SMESHGUI_SpinBox( GroupParameters, "SpinBoxRot2" );
-  GroupParametersLayout->addWidget( SpinBoxRot2, 3, 1 );
+  QGroupBox* GroupParameters = new QGroupBox(tr("SMESH_PARAMETERS"), this);
+  QGridLayout* GroupParametersLayout = new QGridLayout(GroupParameters);
+  GroupParametersLayout->setSpacing(SPACING);
+  GroupParametersLayout->setMargin(MARGIN);
+
+  TextLabelOrientation = new QLabel(tr("SMESH_ORIENTATION"), GroupParameters);
+
+  ComboBoxOrientation = new QComboBox(GroupParameters);
+
+  TextLabelDistance = new QLabel(tr("SMESH_DISTANCE"), GroupParameters);
 
-  PreviewCheckBox = new QCheckBox(tr("Show preview"), GroupParameters);
+  SpinBoxDistance = new SMESHGUI_SpinBox(GroupParameters);
+
+  TextLabelRot1 = new QLabel(tr("ROTATION_AROUND_X_Y2Z"), GroupParameters);
+
+  SpinBoxRot1 = new SMESHGUI_SpinBox(GroupParameters);
+
+  TextLabelRot2 = new QLabel(tr("ROTATION_AROUND_Y_X2Z"), GroupParameters);
+
+  SpinBoxRot2 = new SMESHGUI_SpinBox(GroupParameters);
+
+  PreviewCheckBox = new QCheckBox(tr("SHOW_PREVIEW"), GroupParameters);
   PreviewCheckBox->setChecked(true);
-  GroupParametersLayout->addWidget( PreviewCheckBox, 4, 0 );
 
-  AutoApplyCheckBox = new QCheckBox(tr("Auto Apply"), GroupParameters);
+  AutoApplyCheckBox = new QCheckBox(tr("AUTO_APPLY"), GroupParameters);
   AutoApplyCheckBox->setChecked(false);
-  GroupParametersLayout->addWidget( AutoApplyCheckBox, 4, 1 );
-   
+
+  GroupParametersLayout->addWidget(TextLabelOrientation, 0, 0);
+  GroupParametersLayout->addWidget(ComboBoxOrientation,  0, 1);
+  GroupParametersLayout->addWidget(TextLabelDistance,    1, 0);
+  GroupParametersLayout->addWidget(SpinBoxDistance,      1, 1);
+  GroupParametersLayout->addWidget(TextLabelRot1,        2, 0);
+  GroupParametersLayout->addWidget(SpinBoxRot1,          2, 1);
+  GroupParametersLayout->addWidget(TextLabelRot2,        3, 0);
+  GroupParametersLayout->addWidget(SpinBoxRot2,          3, 1);
+  GroupParametersLayout->addWidget(PreviewCheckBox,      4, 0);
+  GroupParametersLayout->addWidget(AutoApplyCheckBox,    4, 1);
+
   // Controls for "Ok", "Apply" and "Close" button
-  QGroupBox* GroupButtons = new QGroupBox( this, "GroupButtons" );
-  GroupButtons->setSizePolicy( QSizePolicy( (QSizePolicy::SizeType)7, (QSizePolicy::SizeType)0, 0, 0, GroupButtons->sizePolicy().hasHeightForWidth() ) );
-  GroupButtons->setGeometry( QRect( 10, 10, 281, 48 ) ); 
-  GroupButtons->setTitle( tr( ""  ) );
-  GroupButtons->setColumnLayout(0, Qt::Vertical );
-  GroupButtons->layout()->setSpacing( 0 );
-  GroupButtons->layout()->setMargin( 0 );
-  QGridLayout* GroupButtonsLayout = new QGridLayout( GroupButtons->layout() );
-  GroupButtonsLayout->setAlignment( Qt::AlignTop );
-  GroupButtonsLayout->setSpacing( 6 );
-  GroupButtonsLayout->setMargin( 11 );
-  buttonCancel = new QPushButton( GroupButtons, "buttonCancel" );
-  buttonCancel->setText( tr( "SMESH_BUT_CLOSE"  ) );
-  buttonCancel->setAutoDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonCancel, 0, 3 );
-  buttonApply = new QPushButton( GroupButtons, "buttonApply" );
-  buttonApply->setText( tr( "SMESH_BUT_APPLY"  ) );
-  buttonApply->setAutoDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonApply, 0, 1 );
-  QSpacerItem* spacer_9 = new QSpacerItem( 20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum );
-  GroupButtonsLayout->addItem( spacer_9, 0, 2 );
-  buttonOk = new QPushButton( GroupButtons, "buttonOk" );
-  buttonOk->setText( tr( "SMESH_BUT_OK"  ) );
-  buttonOk->setAutoDefault( TRUE );
-  buttonOk->setDefault( TRUE );
-  GroupButtonsLayout->addWidget( buttonOk, 0, 0 );
-
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupPlanes,      0, 0 );
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupParameters,  1, 0 );
-  SMESHGUI_ClippingDlgLayout->addWidget( GroupButtons,     2, 0 );
+  QGroupBox* GroupButtons = new QGroupBox(this);
+  QHBoxLayout* GroupButtonsLayout = new QHBoxLayout(GroupButtons);
+  GroupButtonsLayout->setSpacing(SPACING);
+  GroupButtonsLayout->setMargin(MARGIN);
   
-  mySelection = SALOME_Selection::Selection( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getSelection());
+  buttonOk = new QPushButton(tr("SMESH_BUT_APPLY_AND_CLOSE"), GroupButtons);
+  buttonOk->setAutoDefault(true);
+  buttonOk->setDefault(true);
+  buttonApply = new QPushButton(tr("SMESH_BUT_APPLY"), GroupButtons);
+  buttonApply->setAutoDefault(true);
+  buttonCancel = new QPushButton(tr("SMESH_BUT_CLOSE"), GroupButtons);
+  buttonCancel->setAutoDefault(true);
+  buttonHelp = new QPushButton(tr("SMESH_BUT_HELP"), GroupButtons);
+  buttonHelp->setAutoDefault(true);
+  GroupButtonsLayout->addWidget(buttonOk);
+  GroupButtonsLayout->addSpacing(10);
+  GroupButtonsLayout->addWidget(buttonApply);
+  GroupButtonsLayout->addSpacing(10);
+  GroupButtonsLayout->addStretch();
+  GroupButtonsLayout->addWidget(buttonCancel);
+  GroupButtonsLayout->addWidget(buttonHelp);
+
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupPlanes);
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupParameters);
+  SMESHGUI_ClippingDlgLayout->addWidget(GroupButtons);
 
   // Initial state
-  SpinBoxDistance->RangeStepAndValidator( 0.0, 1.0, 0.01, 3 );
-  SpinBoxRot1->RangeStepAndValidator( -180.0, 180.0, 1, 3 );
-  SpinBoxRot2->RangeStepAndValidator( -180.0, 180.0, 1, 3 );
+  SpinBoxDistance->RangeStepAndValidator(0.0, 1.0, 0.01, "length_precision" );
+  SpinBoxRot1->RangeStepAndValidator(-180.0, 180.0, 1, "angle_precision" );
+  SpinBoxRot2->RangeStepAndValidator(-180.0, 180.0, 1, "angle_precision" );
 
-  ComboBoxOrientation->insertItem( tr("|| X-Y") );
-  ComboBoxOrientation->insertItem( tr("|| Y-Z") );
-  ComboBoxOrientation->insertItem( tr("|| Z-X") );
+  ComboBoxOrientation->addItem(tr("ALONG_XY"));
+  ComboBoxOrientation->addItem(tr("ALONG_YZ"));
+  ComboBoxOrientation->addItem(tr("ALONG_ZX"));
 
   SpinBoxDistance->SetValue(0.5);
 
-  myActor = 0;
   myIsSelectPlane = false;
-  onSelectionChanged();
-  
+
+  initializePlaneData();
+  synchronize();
+
+  myHelpFileName = "clipping_page.html";
+
   // signals and slots connections :
-  connect( ComboBoxPlanes, SIGNAL( activated( int )), this, SLOT( onSelectPlane( int ) ) );
-  connect( buttonNew, SIGNAL( clicked() ), this, SLOT( ClickOnNew() ) );
-  connect( buttonDelete, SIGNAL( clicked() ), this, SLOT( ClickOnDelete() ) );
-  connect( ComboBoxOrientation, SIGNAL( activated( int )), this, SLOT( onSelectOrientation( int ) ) );
-  connect( SpinBoxDistance, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( SpinBoxRot1, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( SpinBoxRot2, SIGNAL( valueChanged( double )), this, SLOT( SetCurrentPlaneParam() ) );
-  connect( PreviewCheckBox, SIGNAL( toggled( bool )), this, SLOT( OnPreviewToggle( bool ) ) );
-  connect( AutoApplyCheckBox, SIGNAL( toggled( bool )), this, SLOT( ClickOnApply() ) );
-  connect( buttonOk, SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
-  connect( buttonCancel, SIGNAL( clicked() ), this, SLOT( ClickOnCancel() ) ) ;
-  connect( buttonApply, SIGNAL( clicked() ), this, SLOT(ClickOnApply() ) );
-  connect( SMESHGUI::GetSMESHGUI(), SIGNAL ( SignalCloseAllDialogs() ), this, SLOT( ClickOnOk() ) ) ;
-  connect( mySelection,  SIGNAL( currentSelectionChanged() ), this, SLOT( onSelectionChanged() ) );
+  connect(ComboBoxPlanes, SIGNAL(activated(int)), this, SLOT(onSelectPlane(int)));
+  connect(buttonNew, SIGNAL(clicked()), this, SLOT(ClickOnNew()));
+  connect(buttonDelete, SIGNAL(clicked()), this, SLOT(ClickOnDelete()));
+  connect(ActorList, SIGNAL(itemChanged(QListWidgetItem*)), this, SLOT(onActorItemChanged(QListWidgetItem*)));
+  connect(SelectAllCheckBox, SIGNAL(stateChanged(int)), this, SLOT(onSelectAll(int)));
+  connect(ComboBoxOrientation, SIGNAL(activated(int)), this, SLOT(onSelectOrientation(int)));
+  connect(SpinBoxDistance, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(SpinBoxRot1, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(SpinBoxRot2, SIGNAL(valueChanged(double)), this, SLOT(SetCurrentPlaneParam()));
+  connect(PreviewCheckBox, SIGNAL(toggled(bool)), this, SLOT(OnPreviewToggle(bool)));
+  connect(AutoApplyCheckBox, SIGNAL(toggled(bool)), this, SLOT(ClickOnApply()));
+  connect(buttonOk, SIGNAL(clicked()), this, SLOT(ClickOnOk()));
+  connect(buttonCancel, SIGNAL(clicked()), this, SLOT(ClickOnCancel()));
+  connect(buttonApply, SIGNAL(clicked()), this, SLOT(ClickOnApply()));
+  connect(buttonHelp, SIGNAL(clicked()), this, SLOT(ClickOnHelp()));
+  connect(mySMESHGUI, SIGNAL (SignalCloseAllDialogs()), this, SLOT(ClickOnCancel()));
   /* to close dialog if study frame change */
-  connect( SMESHGUI::GetSMESHGUI(), SIGNAL ( SignalStudyFrameChanged() ),  this, SLOT( ClickOnCancel() ) ) ;
-  
-  /* Move widget on the botton right corner of main widget */
-  int x, y ;
-  SMESHGUI::GetSMESHGUI()->DefineDlgPosition( this, x, y ) ;
-  this->move( x, y ) ;
+  connect(mySMESHGUI, SIGNAL (SignalStudyFrameChanged()), this, SLOT(ClickOnCancel()));
+
   this->show();
 }
 
-
 //=================================================================================
 // function : ~SMESHGUI_ClippingDlg()
 // purpose  :
@@ -375,11 +496,30 @@ SMESHGUI_ClippingDlg::SMESHGUI_ClippingDlg( QWidget* parent,
 SMESHGUI_ClippingDlg::~SMESHGUI_ClippingDlg()
 {
   // no need to delete child widgets, Qt does it all for us
-  //cout<<"SMESHGUI_ClippingDlg::~SMESHGUI_ClippingDlg\n";
-  std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(false));
-  SMESH::GetCurrentVtkView()->Repaint();
+  std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisibility(false));
+  if (myViewWindow)
+    SMESH::RenderViewWindow(myViewWindow);
+}
+
+double SMESHGUI_ClippingDlg::getDistance() const
+{
+  return SpinBoxDistance->GetValue();
 }
 
+void SMESHGUI_ClippingDlg::setDistance( const double theDistance )
+{
+  SpinBoxDistance->SetValue( theDistance );
+}
+
+double SMESHGUI_ClippingDlg::getRotation1() const
+{
+  return SpinBoxRot1->GetValue();
+}
+
+double SMESHGUI_ClippingDlg::getRotation2() const
+{
+  return SpinBoxRot2->GetValue();
+}
 
 //=======================================================================
 // function : ClickOnApply()
@@ -387,44 +527,71 @@ SMESHGUI_ClippingDlg::~SMESHGUI_ClippingDlg()
 //=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnApply()
 {
-  if (!myActor)
-    return;
-
-  if ( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getActiveStudyFrame()->getTypeView() == VIEW_VTK ) {
-    QAD_WaitCursor wc;
+  if (myViewWindow) {
+    SUIT_OverrideCursor wc;
     
-    vtkImplicitBoolean* aBoolean = myActor->GetPlaneContainer();
-    vtkImplicitFunctionCollection* aCollection = aBoolean->GetFunction();
-    aCollection->RemoveAllItems();
-    aBoolean->Modified(); // VTK bug
-    aCollection->InitTraversal();
-    
-    SMESH::TPlanes::iterator anIter = myPlanes.begin();
-    for (;anIter != myPlanes.end();anIter++){
-      OrientedPlane* anOrientedPlane = OrientedPlane::New();
-      anOrientedPlane->ShallowCopy(anIter->GetPointer());
-      aCollection->AddItem(anOrientedPlane);
-      anOrientedPlane->Delete();
+    QWidget *aCurrWid = this->focusWidget();
+    aCurrWid->clearFocus();
+    aCurrWid->setFocus();
+
+    SMESHGUI_ClippingPlaneInfoMap& aClippingPlaneInfoMap = mySMESHGUI->getClippingPlaneInfoMap();
+    SMESHGUI_ClippingPlaneInfoList& aClippingPlaneInfoList = aClippingPlaneInfoMap[ myViewWindow->getViewManager() ];
+
+    // clean memory allocated for planes
+    SMESHGUI_ClippingPlaneInfoList::iterator anIter1 = aClippingPlaneInfoList.begin();
+    for( ; anIter1 != aClippingPlaneInfoList.end(); anIter1++ )
+      if( SMESH::OrientedPlane* aPlane = (*anIter1).Plane )
+        aPlane->Delete();
+
+    aClippingPlaneInfoList.clear();
+
+    VTK::ActorCollectionCopy aCopy( myViewWindow->getRenderer()->GetActors() );
+    vtkActorCollection* anAllActors = aCopy.GetActors();
+    anAllActors->InitTraversal();
+    while( vtkActor* aVTKActor = anAllActors->GetNextActor() )
+      if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) )
+        anActor->RemoveAllClippingPlanes();
+
+    SMESH::TPlaneDataVector::iterator anIter2 = myPlanes.begin();
+    for( ; anIter2 != myPlanes.end(); anIter2++ ) {
+      SMESH::TPlaneData aPlaneData = *anIter2;
+      SMESH::TPlane aPlane = aPlaneData.Plane;
+      SMESH::TActorList anActorList = aPlaneData.ActorList;
+
+      // the check is disabled to support planes with empty actor list
+      //if( anActorList.empty() )
+      //  continue;
+
+      SMESH::OrientedPlane* anOrientedPlane = SMESH::OrientedPlane::New(myViewWindow);
+      anOrientedPlane->ShallowCopy(aPlane.GetPointer());
+
+      SMESH::TActorList::iterator anIter3 = anActorList.begin();
+      for( ; anIter3 != anActorList.end(); anIter3++ )
+        if( vtkActor* aVTKActor = *anIter3 )
+          if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) )
+            anActor->AddClippingPlane(anOrientedPlane);
+
+      SMESH::ClippingPlaneInfo aClippingPlaneInfo;
+      aClippingPlaneInfo.Plane = anOrientedPlane;
+      aClippingPlaneInfo.ActorList = anActorList;
+
+      aClippingPlaneInfoList.push_back( aClippingPlaneInfo );
     }
-    
-    myActor->SetVisibility(myActor->GetVisibility());
-    
-    SMESH::GetCurrentVtkView()->Repaint();
+
+    SMESH::RenderViewWindow( myViewWindow );
   }
 }
 
-
 //=======================================================================
 // function : ClickOnOk()
 // purpose  :
 //=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnOk()
 {
-  ClickOnApply() ;
-  ClickOnCancel() ;
+  ClickOnApply();
+  ClickOnCancel();
 }
 
-
 //=======================================================================
 // function : ClickOnCancel()
 // purpose  :
@@ -434,58 +601,46 @@ void SMESHGUI_ClippingDlg::ClickOnCancel()
   close();
 }
 
-
 //=================================================================================
-// function : onSelectionChanged()
-// purpose  : Called when selection is changed
+// function : ClickOnHelp()
+// purpose  :
 //=================================================================================
-void SMESHGUI_ClippingDlg::onSelectionChanged()
-{
-  if ( SMESHGUI::GetSMESHGUI()->GetActiveStudy()->getActiveStudyFrame()->getTypeView() == VIEW_VTK ) {
-    if ( mySelection->IObjectCount() ) {
-      Handle(SALOME_InteractiveObject) IOS = mySelection->firstIObject();
-      myActor = SMESH::FindActorByEntry(IOS->getEntry());
-      if ( myActor ){
-       vtkImplicitBoolean* aBoolean = myActor->GetPlaneContainer();
-       vtkImplicitFunctionCollection* aCollection = aBoolean->GetFunction();
-       aCollection->InitTraversal();
-       std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(false));
-       myPlanes.clear();
-       while(vtkImplicitFunction* aFunction = aCollection->GetNextItem()){
-         if(OrientedPlane* aPlane = OrientedPlane::SafeDownCast(aFunction)){
-           OrientedPlane* anOrientedPlane = OrientedPlane::New(SMESH::GetActiveStudy());
-           SMESH::TVTKPlane aTVTKPlane(anOrientedPlane);
-           anOrientedPlane->Delete();
-           aTVTKPlane->ShallowCopy(aPlane);
-           myPlanes.push_back(aTVTKPlane);
-         }
-       }
-       std::for_each(myPlanes.begin(),myPlanes.end(),
-                     TSetVisiblity(PreviewCheckBox->isChecked()));
-      }
-    }
+void SMESHGUI_ClippingDlg::ClickOnHelp()
+{
+  LightApp_Application* app = (LightApp_Application*)(SUIT_Session::session()->activeApplication());
+  if (app) 
+    app->onHelpContextModule(mySMESHGUI ? app->moduleName(mySMESHGUI->moduleName()) : QString(""), myHelpFileName);
+  else {
+                QString platform;
+#ifdef WIN32
+                platform = "winapplication";
+#else
+                platform = "application";
+#endif
+    SUIT_MessageBox::warning(this, tr("WRN_WARNING"),
+                             tr("EXTERNAL_BROWSER_CANNOT_SHOW_PAGE").
+                             arg(app->resourceMgr()->stringValue("ExternalBrowser", 
+                                                                 platform)).
+                             arg(myHelpFileName));
   }
-  Sinchronize();
-  SMESH::GetCurrentVtkView()->Repaint();
 }
 
-
 //=======================================================================
 // function : onSelectPlane()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::onSelectPlane(int theIndex)
-{  
-  if (!myActor || myPlanes.empty())
+void SMESHGUI_ClippingDlg::onSelectPlane (int theIndex)
+{
+  if (myPlanes.empty())
     return;
-  
-  OrientedPlane* aPlane = myPlanes[theIndex].GetPointer();
-  
+
+  SMESH::TPlaneData aPlaneData = myPlanes[theIndex];
+  SMESH::OrientedPlane* aPlane = aPlaneData.Plane.GetPointer();
+
   // Orientation
   SMESH::Orientation anOrientation = aPlane->GetOrientation();
-  
-  // Distance and Rotations
-  float aDistance;
+
+  // Rotations
   double aRot[2] = {aPlane->myAngle[0], aPlane->myAngle[1]};
 
   // Set plane parameters in the dialog
@@ -493,22 +648,26 @@ void SMESHGUI_ClippingDlg::onSelectPlane(int theIndex)
   setDistance(aPlane->GetDistance());
   setRotation(aRot[0], aRot[1]);
   switch (anOrientation) {
-  case SMESH::XY: 
-    ComboBoxOrientation->setCurrentItem(0);
+  case SMESH::XY:
+    ComboBoxOrientation->setCurrentIndex(0);
     onSelectOrientation(0);
     break;
-  case SMESH::YZ: 
-    ComboBoxOrientation->setCurrentItem(1);
+  case SMESH::YZ:
+    ComboBoxOrientation->setCurrentIndex(1);
     onSelectOrientation(1);
     break;
-  case SMESH::ZX: 
-    ComboBoxOrientation->setCurrentItem(2);
+  case SMESH::ZX:
+    ComboBoxOrientation->setCurrentIndex(2);
     onSelectOrientation(2);
     break;
   }
   myIsSelectPlane = false;
-}
 
+  // Actors
+  bool anIsBlocked = ActorList->blockSignals( true );
+  updateActorList();
+  ActorList->blockSignals( anIsBlocked );
+}
 
 //=======================================================================
 // function : ClickOnNew()
@@ -516,20 +675,33 @@ void SMESHGUI_ClippingDlg::onSelectPlane(int theIndex)
 //=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnNew()
 {
-  if (!myActor)
-    return;
-  
-  OrientedPlane* aPlane = OrientedPlane::New(SMESH::GetActiveStudy());
-  SMESH::TVTKPlane aTVTKPlane(aPlane);
-  myPlanes.push_back(aTVTKPlane);
+  if(myViewWindow){
+    SMESH::OrientedPlane* aPlane = SMESH::OrientedPlane::New(myViewWindow);
+    SMESH::TPlane aTPlane(aPlane);
 
-  if(PreviewCheckBox->isChecked())
-    aTVTKPlane->myActor->VisibilityOn();
+    SMESH::TActorList anActorList;
+    VTK::ActorCollectionCopy aCopy( myViewWindow->getRenderer()->GetActors() );
+    vtkActorCollection* anAllActors = aCopy.GetActors();
+    anAllActors->InitTraversal();
+    while( vtkActor* aVTKActor = anAllActors->GetNextActor() )
+      if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) )
+        anActorList.push_back( anActor );
 
-  Sinchronize();
-  SetCurrentPlaneParam();
-}
+    SMESH::TPlaneData aPlaneData(aTPlane, anActorList);
+
+    myPlanes.push_back(aPlaneData);
 
+    if (PreviewCheckBox->isChecked())
+      aTPlane->myActor->VisibilityOn();
+
+    bool anIsBlocked = ActorList->blockSignals( true );
+
+    synchronize();
+    SetCurrentPlaneParam();
+
+    ActorList->blockSignals( anIsBlocked );
+  }
+}
 
 //=======================================================================
 // function : ClickOnDelete()
@@ -537,131 +709,218 @@ void SMESHGUI_ClippingDlg::ClickOnNew()
 //=======================================================================
 void SMESHGUI_ClippingDlg::ClickOnDelete()
 {
-  if (!myActor || myPlanes.empty())
+  if (myPlanes.empty())
     return;
-  
-  int aPlaneIndex = ComboBoxPlanes->currentItem();
-  
-  SMESH::TPlanes::iterator anIter = myPlanes.begin() + aPlaneIndex;
-  anIter->GetPointer()->myActor->SetVisibility(false);
+
+  int aPlaneIndex = ComboBoxPlanes->currentIndex();
+
+  SMESH::TPlaneDataVector::iterator anIter = myPlanes.begin() + aPlaneIndex;
+  SMESH::TPlaneData aPlaneData = *anIter;
+  aPlaneData.Plane.GetPointer()->myActor->SetVisibility(false);
   myPlanes.erase(anIter);
-  
+
   if(AutoApplyCheckBox->isChecked())
     ClickOnApply();
 
-  Sinchronize();
-  SMESH::GetCurrentVtkView()->Repaint();
+  synchronize();
+  SMESH::RenderViewWindow( myViewWindow );
 }
 
+//=======================================================================
+// function : updateActorItem()
+// purpose  :
+//=======================================================================
+void SMESHGUI_ClippingDlg::updateActorItem( QListWidgetItem* theItem,
+                                            bool theUpdateSelectAll,
+                                            bool theUpdateClippingPlaneMap )
+{
+  // update Select All check box
+  if( theUpdateSelectAll ) {
+    int aNbItems = ActorList->count(), aNbChecked = 0;
+    for( int i = 0; i < aNbItems; i++ )
+      if( QListWidgetItem* anItem = ActorList->item( i ) )
+        if( anItem->checkState() == Qt::Checked )
+          aNbChecked++;
+
+    Qt::CheckState aCheckState = Qt::Unchecked;
+    if( aNbChecked == aNbItems )
+      aCheckState = Qt::Checked;
+    else if( aNbChecked > 0 )
+      aCheckState = Qt::PartiallyChecked;
+
+    bool anIsBlocked = SelectAllCheckBox->blockSignals( true );
+    SelectAllCheckBox->setCheckState( aCheckState );
+    SelectAllCheckBox->blockSignals( anIsBlocked );
+  }
+
+  // update clipping plane map
+  if( theUpdateClippingPlaneMap ) {
+    int aCurPlaneIndex = ComboBoxPlanes->currentIndex();
+    if( ActorItem* anItem = dynamic_cast<ActorItem*>( theItem ) ) {
+      if( SMESH_Actor* anActor = anItem->getActor() ) {
+        SMESH::TPlaneData& aPlaneData = myPlanes[ aCurPlaneIndex ];
+        SMESH::TActorList& anActorList = aPlaneData.ActorList;
+        bool anIsPushed = false;
+        SMESH::TActorList::iterator anIter = anActorList.begin();
+        for ( ; anIter != anActorList.end(); anIter++ ) {
+          if( anActor == *anIter ) {
+            anIsPushed = true;
+            break;
+          }
+        }
+        if( theItem->checkState() == Qt::Checked && !anIsPushed )
+          anActorList.push_back( anActor );
+        else if( theItem->checkState() == Qt::Unchecked && anIsPushed )
+          anActorList.remove( anActor );
+      }
+    }
+  }
+}
+
+//=======================================================================
+// function : onActorItemChanged()
+// purpose  :
+//=======================================================================
+void SMESHGUI_ClippingDlg::onActorItemChanged( QListWidgetItem* theItem )
+{
+  updateActorItem( theItem, true, true );
+  SetCurrentPlaneParam();
+}
+
+//=======================================================================
+// function : onSelectAll()
+// purpose  :
+//=======================================================================
+void SMESHGUI_ClippingDlg::onSelectAll( int theState )
+{
+  if( theState == Qt::PartiallyChecked ) {
+    SelectAllCheckBox->setCheckState( Qt::Checked );
+    return;
+  }
+
+  bool anIsBlocked = ActorList->blockSignals( true );
+  for( int i = 0, n = ActorList->count(); i < n; i++ ) {
+    if( QListWidgetItem* anItem = ActorList->item( i ) ) {
+      anItem->setCheckState( theState == Qt::Checked ? Qt::Checked : Qt::Unchecked );
+      updateActorItem( anItem, false, true );
+    }
+  }
+  SelectAllCheckBox->setTristate( false );
+  ActorList->blockSignals( anIsBlocked );
+  SetCurrentPlaneParam();
+}
 
 //=======================================================================
 // function : onSelectOrientation()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::onSelectOrientation(int theItem)
+void SMESHGUI_ClippingDlg::onSelectOrientation (int theItem)
 {
   if (myPlanes.empty())
     return;
-  
+
   if      (theItem == 0) {
-    TextLabelRot1->setText( tr( "Rotation around X (Y to Z):") );
-    TextLabelRot2->setText( tr( "Rotation around Y (X to Z):" ) );
+    TextLabelRot1->setText(tr("ROTATION_AROUND_X_Y2Z"));
+    TextLabelRot2->setText(tr("ROTATION_AROUND_Y_X2Z"));
   }
   else if (theItem == 1) {
-    TextLabelRot1->setText( tr( "Rotation around Y (Z to X):" ) );
-    TextLabelRot2->setText( tr( "Rotation around Z (Y to X):" ) );
+    TextLabelRot1->setText(tr("ROTATION_AROUND_Y_Z2X"));
+    TextLabelRot2->setText(tr("ROTATION_AROUND_Z_Y2X"));
   }
   else if (theItem == 2) {
-    TextLabelRot1->setText( tr( "Rotation around Z (X to Y):" ) );
-    TextLabelRot2->setText( tr( "Rotation around X (Z to Y):" ) );
+    TextLabelRot1->setText(tr("ROTATION_AROUND_Z_X2Y"));
+    TextLabelRot2->setText(tr("ROTATION_AROUND_X_Z2Y"));
   }
-  
+
   if((QComboBox*)sender() == ComboBoxOrientation)
     SetCurrentPlaneParam();
 }
 
-
 //=======================================================================
-// function : Sinchronize()
+// function : synchronize()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::Sinchronize()
+void SMESHGUI_ClippingDlg::synchronize()
 {
   int aNbPlanes = myPlanes.size();
   ComboBoxPlanes->clear();
-  
+
   QString aName;
-  for(int i = 1; i<=aNbPlanes ; i++){
-    aName = QString(tr("Plane# %1")).arg(i);
-    ComboBoxPlanes->insertItem(aName);
+  for(int i = 1; i<=aNbPlanes; i++) {
+    aName = QString(tr("PLANE_NUM")).arg(i);
+    ComboBoxPlanes->addItem(aName);
   }
-  
+
   int aPos = ComboBoxPlanes->count() - 1;
-  ComboBoxPlanes->setCurrentItem(aPos);
-  
+  ComboBoxPlanes->setCurrentIndex(aPos);
+
   bool anIsControlsEnable = (aPos >= 0);
-  if(anIsControlsEnable){
+  if (anIsControlsEnable) {
     onSelectPlane(aPos);
-  }else{
-    ComboBoxPlanes->insertItem( tr("No planes") );
+    updateActorList();
+  } else {
+    ComboBoxPlanes->addItem(tr("NO_PLANES"));
+    ActorList->clear();
     SpinBoxRot1->SetValue(0.0);
     SpinBoxRot2->SetValue(0.0);
     SpinBoxDistance->SetValue(0.5);
   }
 
+  ActorList->setEnabled(anIsControlsEnable);
+  SelectAllCheckBox->setEnabled(anIsControlsEnable);
   buttonDelete->setEnabled(anIsControlsEnable);
-  buttonApply->setEnabled(anIsControlsEnable);
-  PreviewCheckBox->setEnabled(anIsControlsEnable);
-  AutoApplyCheckBox->setEnabled(anIsControlsEnable);
+  // the following 3 controls should be enabled
+  //buttonApply->setEnabled(anIsControlsEnable);
+  //PreviewCheckBox->setEnabled(anIsControlsEnable);
+  //AutoApplyCheckBox->setEnabled(anIsControlsEnable);
   ComboBoxOrientation->setEnabled(anIsControlsEnable);
   SpinBoxDistance->setEnabled(anIsControlsEnable);
   SpinBoxRot1->setEnabled(anIsControlsEnable);
   SpinBoxRot2->setEnabled(anIsControlsEnable);
 }
 
-
 //=======================================================================
 // function : setRotation()
 // purpose  :
 //=======================================================================
-void SMESHGUI_ClippingDlg::setRotation( const double theRot1, const double theRot2 )
+void SMESHGUI_ClippingDlg::setRotation (const double theRot1, const double theRot2)
 {
   SpinBoxRot1->SetValue(theRot1);
   SpinBoxRot2->SetValue(theRot2);
 }
 
-
 //=======================================================================
-// function : SetCurrentPlaneParam
+// function : SetCurrentPlaneParam()
 // purpose  :
 //=======================================================================
 void SMESHGUI_ClippingDlg::SetCurrentPlaneParam()
 {
-  if(myPlanes.empty() || myIsSelectPlane)
+  if (myPlanes.empty() || myIsSelectPlane)
     return;
-  
-  int aCurPlaneIndex = ComboBoxPlanes->currentItem();
-  
-  OrientedPlane* aPlane = myPlanes[aCurPlaneIndex].GetPointer();
-  
-  float aNormal[3];
+
+  int aCurPlaneIndex = ComboBoxPlanes->currentIndex();
+
+  SMESH::TPlaneData aPlaneData = myPlanes[aCurPlaneIndex];
+  SMESH::OrientedPlane* aPlane = aPlaneData.Plane.GetPointer();
+
+  vtkFloatingPointType aNormal[3];
   SMESH::Orientation anOrientation;
-  float aDir[3][3] = {{0, 0, 0}, {0, 0, 0}};
-  {  
+  vtkFloatingPointType aDir[3][3] = {{0, 0, 0}, {0, 0, 0}};
+  {
     static double aCoeff = vtkMath::Pi()/180.0;
 
-    float aRot[2] = {getRotation1(), getRotation2()};
+    vtkFloatingPointType aRot[2] = {getRotation1(), getRotation2()};
     aPlane->myAngle[0] = aRot[0];
     aPlane->myAngle[1] = aRot[1];
 
-    float anU[2] = {cos(aCoeff*aRot[0]), cos(aCoeff*aRot[1])};
-    float aV[2] = {sqrt(1.0-anU[0]*anU[0]), sqrt(1.0-anU[1]*anU[1])};
+    vtkFloatingPointType anU[2] = {cos(aCoeff*aRot[0]), cos(aCoeff*aRot[1])};
+    vtkFloatingPointType aV[2] = {sqrt(1.0-anU[0]*anU[0]), sqrt(1.0-anU[1]*anU[1])};
     aV[0] = aRot[0] > 0? aV[0]: -aV[0];
     aV[1] = aRot[1] > 0? aV[1]: -aV[1];
-                   
-    switch (ComboBoxOrientation->currentItem()) {
-    case 0: 
-      anOrientation = SMESH::XY; 
+
+    switch (ComboBoxOrientation->currentIndex()) {
+    case 0:
+      anOrientation = SMESH::XY;
 
       aDir[0][1] = anU[0];
       aDir[0][2] = aV[0];
@@ -670,8 +929,8 @@ void SMESHGUI_ClippingDlg::SetCurrentPlaneParam()
       aDir[1][2] = aV[1];
 
       break;
-    case 1: 
-      anOrientation = SMESH::YZ; 
+    case 1:
+      anOrientation = SMESH::YZ;
 
       aDir[0][2] = anU[0];
       aDir[0][0] = aV[0];
@@ -680,8 +939,8 @@ void SMESHGUI_ClippingDlg::SetCurrentPlaneParam()
       aDir[1][0] = aV[1];
 
       break;
-    case 2: 
-      anOrientation = SMESH::ZX; 
+    case 2:
+      anOrientation = SMESH::ZX;
 
       aDir[0][0] = anU[0];
       aDir[0][1] = aV[0];
@@ -696,61 +955,218 @@ void SMESHGUI_ClippingDlg::SetCurrentPlaneParam()
     vtkMath::Normalize(aNormal);
     vtkMath::Cross(aNormal,aDir[1],aDir[0]);
   }
-  
+
   aPlane->SetOrientation(anOrientation);
   aPlane->SetDistance(getDistance());
-  
-  myActor->SetPlaneParam(aNormal, getDistance(), aPlane);
 
-  float* anOrig = aPlane->GetOrigin();
-  vtkDataSet* aDataSet = myActor->GetInput();
-  float *aPnt = aDataSet->GetCenter();
+  SMESH::TActorList anActorList = aPlaneData.ActorList;
+
+  vtkFloatingPointType aBounds[6];
+  vtkFloatingPointType anOrigin[3];
+  bool anIsOk = SMESH::ComputeClippingPlaneParameters( anActorList,
+                                                       aNormal,
+                                                       getDistance(),
+                                                       aBounds,
+                                                       anOrigin );
+
+  aPlane->myActor->SetVisibility( anIsOk && PreviewCheckBox->isChecked() );
+
+  if( anIsOk ) {
+    aPlane->SetNormal( aNormal );
+    aPlane->SetOrigin( anOrigin );
+
+    vtkFloatingPointType aPnt[3] = { ( aBounds[0] + aBounds[1] ) / 2.,
+                                     ( aBounds[2] + aBounds[3] ) / 2.,
+                                     ( aBounds[4] + aBounds[5] ) / 2. };
+
+    vtkFloatingPointType aDel = pow( pow( aBounds[1] - aBounds[0], 2 ) +
+                                     pow( aBounds[3] - aBounds[2], 2 ) +
+                                     pow( aBounds[5] - aBounds[4], 2 ), 0.5 );
+
+    vtkFloatingPointType aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
+                                         {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
+    vtkFloatingPointType aParam, aPnt0[3], aPnt1[3], aPnt2[3];
+
+    vtkFloatingPointType aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0],
+                                      aPnt[1] - aDelta[0][1] - aDelta[1][1],
+                                      aPnt[2] - aDelta[0][2] - aDelta[1][2]};
+    vtkFloatingPointType aPnt02[3] = {aPnt01[0] + aNormal[0],
+                                      aPnt01[1] + aNormal[1],
+                                      aPnt01[2] + aNormal[2]};
+    vtkPlane::IntersectWithLine(aPnt01,aPnt02,aNormal,anOrigin,aParam,aPnt0);
+
+    vtkFloatingPointType aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0],
+                                      aPnt[1] - aDelta[0][1] + aDelta[1][1],
+                                      aPnt[2] - aDelta[0][2] + aDelta[1][2]};
+    vtkFloatingPointType aPnt12[3] = {aPnt11[0] + aNormal[0],
+                                      aPnt11[1] + aNormal[1],
+                                      aPnt11[2] + aNormal[2]};
+    vtkPlane::IntersectWithLine(aPnt11,aPnt12,aNormal,anOrigin,aParam,aPnt1);
+
+    vtkFloatingPointType aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0],
+                                      aPnt[1] + aDelta[0][1] - aDelta[1][1],
+                                      aPnt[2] + aDelta[0][2] - aDelta[1][2]};
+    vtkFloatingPointType aPnt22[3] = {aPnt21[0] + aNormal[0],
+                                      aPnt21[1] + aNormal[1],
+                                      aPnt21[2] + aNormal[2]};
+    vtkPlane::IntersectWithLine(aPnt21,aPnt22,aNormal,anOrigin,aParam,aPnt2);
+
+    vtkPlaneSource* aPlaneSource = aPlane->myPlaneSource;
+    aPlaneSource->SetNormal(aNormal[0],aNormal[1],aNormal[2]);
+    aPlaneSource->SetOrigin(aPnt0[0],aPnt0[1],aPnt0[2]);
+    aPlaneSource->SetPoint1(aPnt1[0],aPnt1[1],aPnt1[2]);
+    aPlaneSource->SetPoint2(aPnt2[0],aPnt2[1],aPnt2[2]);
+  }
 
-  float* anOrigin = aPlane->GetOrigin();
-  float aDel = aDataSet->GetLength()/2.0;
+  if(AutoApplyCheckBox->isChecked())
+    ClickOnApply();
 
-  float aDelta[2][3] = {{aDir[0][0]*aDel, aDir[0][1]*aDel, aDir[0][2]*aDel},
-                       {aDir[1][0]*aDel, aDir[1][1]*aDel, aDir[1][2]*aDel}};
-  float aParam, aPnt0[3], aPnt1[3], aPnt2[3];
+  SMESH::RenderViewWindow( myViewWindow );
+}
 
-  float aPnt01[3] = {aPnt[0] - aDelta[0][0] - aDelta[1][0], 
-                    aPnt[1] - aDelta[0][1] - aDelta[1][1], 
-                    aPnt[2] - aDelta[0][2] - aDelta[1][2]};
-  float aPnt02[3] = {aPnt01[0] + aNormal[0], 
-                     aPnt01[1] + aNormal[1], 
-                     aPnt01[2] + aNormal[2]};
-  vtkPlane::IntersectWithLine(aPnt01,aPnt02,aNormal,anOrigin,aParam,aPnt0);
+//=======================================================================
+// function : OnPreviewToggle()
+// purpose  :
+//=======================================================================
+void SMESHGUI_ClippingDlg::OnPreviewToggle (bool theIsToggled)
+{
+  std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisibility(theIsToggled));
+  SMESH::RenderViewWindow( myViewWindow );
+}
 
-  float aPnt11[3] = {aPnt[0] - aDelta[0][0] + aDelta[1][0], 
-                    aPnt[1] - aDelta[0][1] + aDelta[1][1], 
-                    aPnt[2] - aDelta[0][2] + aDelta[1][2]};
-  float aPnt12[3] = {aPnt11[0] + aNormal[0], 
-                    aPnt11[1] + aNormal[1], 
-                    aPnt11[2] + aNormal[2]};
-  vtkPlane::IntersectWithLine(aPnt11,aPnt12,aNormal,anOrigin,aParam,aPnt1);
-  
-  float aPnt21[3] = {aPnt[0] + aDelta[0][0] - aDelta[1][0], 
-                    aPnt[1] + aDelta[0][1] - aDelta[1][1], 
-                    aPnt[2] + aDelta[0][2] - aDelta[1][2]};
-  float aPnt22[3] = {aPnt21[0] + aNormal[0], 
-                    aPnt21[1] + aNormal[1], 
-                    aPnt21[2] + aNormal[2]};
-  vtkPlane::IntersectWithLine(aPnt21,aPnt22,aNormal,anOrigin,aParam,aPnt2);
-  
-  vtkPlaneSource* aPlaneSource = aPlane->myPlaneSource;
-  aPlaneSource->SetNormal(aNormal[0],aNormal[1],aNormal[2]);
-  aPlaneSource->SetOrigin(aPnt0[0],aPnt0[1],aPnt0[2]);
-  aPlaneSource->SetPoint1(aPnt1[0],aPnt1[1],aPnt1[2]);
-  aPlaneSource->SetPoint2(aPnt2[0],aPnt2[1],aPnt2[2]);
-  
-  if(AutoApplyCheckBox->isChecked())
-    ClickOnApply();
-  
-  SMESH::GetCurrentVtkView()->Repaint();
+//=================================================================================
+// function : keyPressEvent()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::keyPressEvent( QKeyEvent* e )
+{
+  QDialog::keyPressEvent( e );
+  if ( e->isAccepted() )
+    return;
+
+  if ( e->key() == Qt::Key_F1 ) {
+    e->accept();
+    ClickOnHelp();
+  }
+}
+
+//=================================================================================
+// function : initializePlaneData()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::initializePlaneData()
+{
+  const SMESHGUI_ClippingPlaneInfoMap& aClippingPlaneInfoMap = mySMESHGUI->getClippingPlaneInfoMap();
+  SMESHGUI_ClippingPlaneInfoMap::const_iterator anIter1 = aClippingPlaneInfoMap.find( myViewWindow->getViewManager() );
+  if( anIter1 != aClippingPlaneInfoMap.end() ) {
+    const SMESHGUI_ClippingPlaneInfoList& aClippingPlaneInfoList = anIter1->second;
+    SMESHGUI_ClippingPlaneInfoList::const_iterator anIter2 = aClippingPlaneInfoList.begin();
+    for( ; anIter2 != aClippingPlaneInfoList.end(); anIter2++ ) {
+      const SMESH::ClippingPlaneInfo& aClippingPlaneInfo = *anIter2;
+      SMESH::TPlane aTPlane( aClippingPlaneInfo.Plane );
+      SMESH::TPlaneData aPlaneData( aTPlane, aClippingPlaneInfo.ActorList );
+      myPlanes.push_back( aPlaneData );
+    }
+  }
+  std::for_each( myPlanes.begin(),myPlanes.end(), TSetVisibility( PreviewCheckBox->isChecked() ) );
 }
 
+//=================================================================================
+// function : updateActorList()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::updateActorList()
+{
+  ActorList->clear();
+
+  SalomeApp_Study* anAppStudy = SMESHGUI::activeStudy();
+  if( !anAppStudy )
+    return;
 
-void SMESHGUI_ClippingDlg::OnPreviewToggle(bool theIsToggled){
-  std::for_each(myPlanes.begin(),myPlanes.end(),TSetVisiblity(theIsToggled));
-  SMESH::GetCurrentVtkView()->Repaint();
+  _PTR(Study) aStudy = anAppStudy->studyDS();
+  if( !aStudy )
+    return;
+
+  if( !myViewWindow )
+    return;
+
+  int aCurPlaneIndex = ComboBoxPlanes->currentIndex();
+  const SMESH::TPlaneData& aPlaneData = myPlanes[ aCurPlaneIndex ];
+  const SMESH::TActorList& anActorList = aPlaneData.ActorList;
+
+  VTK::ActorCollectionCopy aCopy( myViewWindow->getRenderer()->GetActors() );
+  vtkActorCollection* anAllActors = aCopy.GetActors();
+  anAllActors->InitTraversal();
+  while( vtkActor* aVTKActor = anAllActors->GetNextActor() ) {
+    if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) ) {
+      if( anActor->hasIO() ) {
+        Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
+        if( _PTR(SObject) aSObj = aStudy->FindObjectID( anIO->getEntry() ) ) {
+          bool anIsChecked = false;
+          SMESH::TActorList::const_iterator anIter = anActorList.begin();
+          for ( ; anIter != anActorList.end(); anIter++ ) {
+            if( vtkActor* aVTKActorRef = *anIter ) {
+              if( SMESH_Actor* anActorRef = SMESH_Actor::SafeDownCast( aVTKActorRef ) ) {
+                if( anActorRef == anActor ) {
+                  anIsChecked = true;
+                  break;
+                }
+              }
+            }
+          }
+          QString aName = QString( aSObj->GetName().c_str() );
+          QListWidgetItem* anItem = new ActorItem( anActor, aName, ActorList );
+          anItem->setCheckState( anIsChecked ? Qt::Checked : Qt::Unchecked );
+          updateActorItem( anItem, true, false );
+        }
+      }
+    }
+  }
+}
+
+//=================================================================================
+// function : getCurrentActors()
+// purpose  :
+//=================================================================================
+SMESH::TActorList SMESHGUI_ClippingDlg::getCurrentActors()
+{
+  SMESH::TActorList anActorList;
+  for( int i = 0, n = ActorList->count(); i < n; i++ )
+    if( ActorItem* anItem = dynamic_cast<ActorItem*>( ActorList->item( i ) ) )
+      if( anItem->checkState() == Qt::Checked )
+        if( SMESH_Actor* anActor = anItem->getActor() )
+          anActorList.push_back( anActor );
+  return anActorList;
+}
+
+//=================================================================================
+// function : dumpPlaneData()
+// purpose  :
+//=================================================================================
+void SMESHGUI_ClippingDlg::dumpPlaneData() const
+{
+  printf( "----------- Plane Data -----------\n" );
+  int anId = 1;
+  SMESH::TPlaneDataVector::const_iterator anIter1 = myPlanes.begin();
+  for ( ; anIter1 != myPlanes.end(); anIter1++, anId++ ) {
+    SMESH::TPlaneData aPlaneData = *anIter1;
+    SMESH::TPlane aPlane = aPlaneData.Plane;
+    vtkFloatingPointType* aNormal = aPlane->GetNormal();
+    vtkFloatingPointType* anOrigin = aPlane->GetOrigin();
+    printf( "Plane N%d:\n", anId );
+    printf( "  Normal = ( %f, %f, %f )\n", aNormal[0], aNormal[1], aNormal[2] );
+    printf( "  Origin = ( %f, %f, %f )\n", anOrigin[0], anOrigin[1], anOrigin[2] );
+
+    SMESH::TActorList anActorList = aPlaneData.ActorList;
+    SMESH::TActorList::const_iterator anIter2 = anActorList.begin();
+    for ( ; anIter2 != anActorList.end(); anIter2++ ) {
+      if( vtkActor* aVTKActor = *anIter2 ) {
+        if( SMESH_Actor* anActor = SMESH_Actor::SafeDownCast( aVTKActor ) )
+          printf( "  - Actor: '%s'\n", anActor->getName() );
+      }
+      else
+        printf( "  - Actor: NULL\n");
+    }
+  }
+  printf( "----------------------------------\n" );
 }