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Merge from BR_V5_DEV 16Feb09
[modules/smesh.git] / src / SMESHGUI / SMESHGUI_AddQuadraticElementDlg.cxx
index 1f1e5bd1427b7f3bcea6ad5879f0f6f78e2a051c..1c3106e735eb3c1ed149aceebfa603bd56d8d136 100644 (file)
@@ -1,21 +1,28 @@
-// Copyright (C) 2005  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
 //
-// 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.
+//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
 //
-// 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.
+//  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.
 //
-// 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
+//  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.
 //
-// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//  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
+//
+// SMESH SMESHGUI : GUI for SMESH component
+// File   : SMESHGUI_AddMeshElementDlg.cxx
+// Author : Nicolas REJNERI, Open CASCADE S.A.S.
+// SMESH includes
 //
 #include "SMESHGUI_AddQuadraticElementDlg.h"
 
 #include "SMESHGUI_VTKUtils.h"
 #include "SMESHGUI_MeshUtils.h"
 #include "SMESHGUI_IdValidator.h"
-#include "SMESH_ActorUtils.h"
 
-#include "SMDS_Mesh.hxx"
-#include "SMESH_Actor.h"
+#include <SMESH_Actor.h>
+#include <SMESH_ActorUtils.h>
+#include <SMESH_FaceOrientationFilter.h>
+#include <SMDS_Mesh.hxx>
 
-#include "SUIT_Session.h"
-#include "SUIT_MessageBox.h"
-#include "LightApp_Application.h"
+// SALOME GUI includes
+#include <SUIT_Desktop.h>
+#include <SUIT_Session.h>
+#include <SUIT_MessageBox.h>
+#include <SUIT_ResourceMgr.h>
+#include <SUIT_ViewManager.h>
 
-#include "SVTK_Selection.h"
-#include "SVTK_Selector.h"
-#include "SALOME_ListIO.hxx"
-#include "SALOME_ListIteratorOfListIO.hxx"
+#include <LightApp_SelectionMgr.h>
 
-#include "SalomeApp_Study.h"
-#include "SalomeApp_Application.h"
+#include <SVTK_ViewModel.h>
+#include <SVTK_ViewWindow.h>
 
-#include "SVTK_ViewModel.h"
-#include "SVTK_ViewWindow.h"
+#include <SALOME_ListIO.hxx>
 
-#include "utilities.h"
+#include <SalomeApp_Application.h>
 
+// IDL includes
+#include <SALOMEconfig.h>
 #include CORBA_SERVER_HEADER(SMESH_MeshEditor)
 
-// OCCT Includes
+// OCCT includes
 #include <TColStd_MapOfInteger.hxx>
-#include <TColStd_IndexedMapOfInteger.hxx>
 
-// VTK Includes
-#include <vtkCell.h>
+// VTK includes
 #include <vtkIdList.h>
-#include <vtkIntArray.h>
-#include <vtkCellArray.h>
-#include <vtkUnsignedCharArray.h>
 #include <vtkUnstructuredGrid.h>
 #include <vtkDataSetMapper.h>
+#include <vtkPolyDataMapper.h>
 #include <vtkProperty.h>
-
-#include <vtkQuadraticEdge.h>
-#include <vtkQuadraticTriangle.h>
-#include <vtkQuadraticQuad.h>
-#include <vtkQuadraticHexahedron.h>
-#include <vtkQuadraticTetra.h>
-
-// QT Includes
-#include <qbuttongroup.h>
-#include <qgroupbox.h>
-#include <qlabel.h>
-#include <qlineedit.h>
-#include <qpushbutton.h>
-#include <qradiobutton.h>
-#include <qlayout.h>
-#include <qpixmap.h>
-#include <qcheckbox.h>
+#include <vtkCellType.h>
+
+// Qt includes
+#include <QGroupBox>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPushButton>
+#include <QRadioButton>
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QGridLayout>
+#include <QCheckBox>
+#include <QTableWidget>
+#include <QKeyEvent>
+#include <QButtonGroup>
 
 // STL includes
-#include <list>
-
-using namespace std;
+#include <vector>
 
-namespace SMESH {
+#define SPACING 6
+#define MARGIN  11
 
-  void ReverseConnectivity( vector<int> & ids, int type )
+namespace SMESH
+{
+  void ReverseConnectivity( std::vector<vtkIdType> & ids, int type )
   {
     // for reverse connectivity of other types keeping the first id, see
     // void SMESH_VisualObjDef::buildElemPrs() in SMESH_Object.cxx:900
@@ -134,7 +138,7 @@ namespace SMESH {
       reverse( ids.begin(), ids.end() );
     }
     else {
-      vector<int> aRevIds( ids.size() );
+      std::vector<vtkIdType> aRevIds( ids.size() );
       for ( int i = 0; i < ids.size(); i++)
         aRevIds[ i ] = ids[ conn[ i ]];
       ids = aRevIds;
@@ -151,7 +155,11 @@ namespace SMESH {
     vtkUnstructuredGrid* myGrid;
     //vtkProperty* myBackProp, *myProp;
 
-    vtkFloatingPointType myRGB[3], myBackRGB[3];
+    //vtkFloatingPointType myRGB[3], myBackRGB[3];
+
+    SALOME_Actor* myFaceOrientation;
+    vtkPolyDataMapper* myFaceOrientationDataMapper;
+    SMESH_FaceOrientationFilter* myFaceOrientationFilter;
 
   public:
     TElementSimulation (SalomeApp_Application* theApplication)
@@ -174,18 +182,39 @@ namespace SMESH {
       myPreviewActor->SetMapper(myMapper);
 
       vtkProperty* myProp = vtkProperty::New();
-      GetColor( "SMESH", "fill_color", myRGB[0], myRGB[1], myRGB[2], QColor( 0, 170, 255 ) );
-      myProp->SetColor( myRGB[0], myRGB[1], myRGB[2] );
+      vtkFloatingPointType aRGB[3], aBackRGB[3];
+      GetColor( "SMESH", "fill_color", aRGB[0], aRGB[1], aRGB[2], QColor( 0, 170, 255 ) );
+      myProp->SetColor( aRGB[0], aRGB[1], aRGB[2] );
       myPreviewActor->SetProperty( myProp );
       myProp->Delete();
 
       vtkProperty* myBackProp = vtkProperty::New();
-      GetColor( "SMESH", "backface_color", myBackRGB[0], myBackRGB[1], myBackRGB[2], QColor( 0, 0, 255 ) );
-      myBackProp->SetColor( myBackRGB[0], myBackRGB[1], myBackRGB[2] );
+      GetColor( "SMESH", "backface_color", aBackRGB[0], aBackRGB[1], aBackRGB[2], QColor( 0, 0, 255 ) );
+      myBackProp->SetColor( aBackRGB[0], aBackRGB[1], aBackRGB[2] );
       myPreviewActor->SetBackfaceProperty( myBackProp );
       myBackProp->Delete();
 
       myVTKViewWindow->AddActor(myPreviewActor);
+
+      // Orientation of faces
+      myFaceOrientationFilter = SMESH_FaceOrientationFilter::New();
+      myFaceOrientationFilter->SetInput(myGrid);
+
+      myFaceOrientationDataMapper = vtkPolyDataMapper::New();
+      myFaceOrientationDataMapper->SetInput(myFaceOrientationFilter->GetOutput());
+
+      myFaceOrientation = SALOME_Actor::New();
+      myFaceOrientation->PickableOff();
+      myFaceOrientation->VisibilityOff();
+      myFaceOrientation->SetMapper(myFaceOrientationDataMapper);
+
+      vtkProperty* anOrientationProp = vtkProperty::New();
+      GetColor( "SMESH", "orientation_color", aRGB[0], aRGB[1], aRGB[2], QColor( 255, 255, 255 ) );
+      anOrientationProp->SetColor( aRGB[0], aRGB[1], aRGB[2] );
+      myFaceOrientation->SetProperty( anOrientationProp );
+      anOrientationProp->Delete();
+
+      myVTKViewWindow->AddActor(myFaceOrientation);
     }
 
     typedef std::vector<vtkIdType> TVTKIds;
@@ -220,8 +249,8 @@ namespace SMESH {
         aType = VTK_CONVEX_POINT_SET;
         break;
       case QUAD_PENTAHEDRON:
-        //aType = VTK_QUADRATIC_WEDGE; // NOT SUPPORTED IN VTK4.2
-        aType = VTK_CONVEX_POINT_SET;
+        aType = VTK_QUADRATIC_WEDGE;
+        //aType = VTK_CONVEX_POINT_SET;
         break; 
       case QUAD_HEXAHEDRON:
         aType = VTK_QUADRATIC_HEXAHEDRON;
@@ -236,9 +265,13 @@ namespace SMESH {
       }
       else {
         // VTK cell connectivity opposites the MED one for volumic elements
-        if ( theIds.size() > 8 ? !theReverse : theReverse ) {
-          ReverseConnectivity( theIds, theType );
+        if( aType != VTK_QUADRATIC_WEDGE) {
+          if ( theIds.size() > 8 ? !theReverse : theReverse ) {
+            ReverseConnectivity( theIds, theType );
+          }
         }
+        else if(theReverse)
+          ReverseConnectivity( theIds, theType );          
       }
             
       myGrid->Reset();
@@ -256,7 +289,7 @@ namespace SMESH {
 
       myPreviewActor->GetMapper()->Update();
       myPreviewActor->SetRepresentation( theMode );
-      SetVisibility(true);
+      SetVisibility(true, theActor->GetFacesOriented());
 
       // restore normal orientation
       if ( aType == VTK_CONVEX_POINT_SET ) {
@@ -267,9 +300,10 @@ namespace SMESH {
     }
 
 
-    void SetVisibility (bool theVisibility)
+    void SetVisibility (bool theVisibility, bool theShowOrientation = false)
     {
       myPreviewActor->SetVisibility(theVisibility);
+      myFaceOrientation->SetVisibility(theShowOrientation);
       RepaintCurrentView();
     }
 
@@ -278,12 +312,19 @@ namespace SMESH {
     {
       if (FindVtkViewWindow(myApplication->activeViewManager(), myViewWindow)) {
        myVTKViewWindow->RemoveActor(myPreviewActor);
+       myVTKViewWindow->RemoveActor(myFaceOrientation);
       }
       myPreviewActor->Delete();
+      myFaceOrientation->Delete();
 
       myMapper->RemoveAllInputs();
       myMapper->Delete();
 
+      myFaceOrientationFilter->Delete();
+
+      myFaceOrientationDataMapper->RemoveAllInputs();
+      myFaceOrientationDataMapper->Delete();
+
       myGrid->Delete();
 
 //       myProp->Delete();
@@ -317,20 +358,69 @@ static int LastHexahedronIds[] =  {1,2,3,0,5,6,7,4,4,5,6,7};
 
 
 
+/*!
+  \class BusyLocker
+  \brief Simple 'busy state' flag locker.
+  \internal
+*/
+
+class BusyLocker
+{
+public:
+  //! Constructor. Sets passed boolean flag to \c true.
+  BusyLocker( bool& busy ) : myBusy( busy ) { myBusy = true; }
+  //! Destructor. Clear external boolean flag passed as parameter to the constructor to \c false.
+  ~BusyLocker() { myBusy = false; }
+private:
+  bool& myBusy; //! External 'busy state' boolean flag
+};
+
+/*!
+  \class IdEditItem
+  \brief Simple editable table item.
+  \internal
+*/
+
+class IdEditItem: public QTableWidgetItem
+{
+public:
+  IdEditItem(const QString& text );
+  ~IdEditItem();
+
+  QWidget* createEditor() const;
+};
+
+IdEditItem::IdEditItem(const QString& text )
+  : QTableWidgetItem(text, QTableWidgetItem::UserType+100)
+{
+}
+
+IdEditItem::~IdEditItem()
+{
+}
+
+QWidget* IdEditItem::createEditor() const
+{
+  QLineEdit *aLineEdit = new QLineEdit(text(), tableWidget());
+  aLineEdit->setValidator( new SMESHGUI_IdValidator(tableWidget(), 1) );
+  return aLineEdit;
+}
+
 //=================================================================================
 // function : SMESHGUI_AddQuadraticElementDlg()
 // purpose  : constructor
 //=================================================================================
 SMESHGUI_AddQuadraticElementDlg::SMESHGUI_AddQuadraticElementDlg( SMESHGUI* theModule,
-                                                                 const int theType,
-                                                                 const char* name,
-                                                                  bool modal, WFlags fl)
-     : QDialog( SMESH::GetDesktop( theModule ), name, modal, WStyle_Customize | WStyle_NormalBorder |
-                WStyle_Title | WStyle_SysMenu | Qt::WDestructiveClose),
-     mySMESHGUI( theModule ),
-     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
-     myType( theType )
+                                                                 const int theType )
+  : QDialog( SMESH::GetDesktop( theModule ) ),
+    mySMESHGUI( theModule ),
+    mySelectionMgr( SMESH::GetSelectionMgr( theModule ) ),
+    myType( theType ),
+    myBusy( false )
 {
+  setModal( false );
+  setAttribute( Qt::WA_DeleteOnClose, true );
+
   SalomeApp_Application* anApp = dynamic_cast<SalomeApp_Application*>
     (SUIT_Session::session()->activeApplication());
   
@@ -366,105 +456,83 @@ SMESHGUI_AddQuadraticElementDlg::SMESHGUI_AddQuadraticElementDlg( SMESHGUI* theM
     anElementName = QString("QUADRATIC_EDGE");
   }
 
-  QString iconName           = tr(QString("ICON_DLG_%1").arg(anElementName));
-  QString caption            = tr(QString("SMESH_ADD_%1_TITLE").arg(anElementName));
-  QString argumentsGrTitle   = tr(QString("SMESH_ADD_%1").arg(anElementName));
-  QString constructorGrTitle = tr(QString("SMESH_%1").arg(anElementName));
+  QString iconName           = tr(QString("ICON_DLG_%1").arg(anElementName).toLatin1().data());
+  QString caption            = tr(QString("SMESH_ADD_%1_TITLE").arg(anElementName).toLatin1().data());
+  QString argumentsGrTitle   = tr(QString("SMESH_ADD_%1").arg(anElementName).toLatin1().data());
+  QString constructorGrTitle = tr(QString("SMESH_%1").arg(anElementName).toLatin1().data());
   
   QPixmap image0 (SMESH::GetResourceMgr( mySMESHGUI )->loadPixmap("SMESH", iconName));
   QPixmap image1 (SMESH::GetResourceMgr( mySMESHGUI )->loadPixmap("SMESH", tr("ICON_SELECT")));
 
-  if (!name)
-    setName("SMESHGUI_AddQuadraticElementDlg");
-  setCaption(caption);
+  setWindowTitle(caption);
   
-  setSizeGripEnabled(TRUE);
-  QGridLayout* aDialogLayout = new QGridLayout(this);
-  aDialogLayout->setSpacing(6);
-  aDialogLayout->setMargin(11);
+  setSizeGripEnabled(true);
+
+  QVBoxLayout* aDialogLayout = new QVBoxLayout(this);
+  aDialogLayout->setSpacing(SPACING);
+  aDialogLayout->setMargin(MARGIN);
 
   /***************************************************************/
-  GroupConstructors = new QButtonGroup(this, "GroupConstructors");
-  GroupConstructors->setTitle(constructorGrTitle);
-
-  GroupConstructors->setExclusive(TRUE);
-  GroupConstructors->setColumnLayout(0, Qt::Vertical);
-  GroupConstructors->layout()->setSpacing(0);
-  GroupConstructors->layout()->setMargin(0);
-  GroupConstructors->setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Fixed));
-  QGridLayout* aGroupConstructorsLayout = new QGridLayout(GroupConstructors->layout());
-  aGroupConstructorsLayout->setAlignment(Qt::AlignTop);
-  aGroupConstructorsLayout->setSpacing(6);
-  aGroupConstructorsLayout->setMargin(11);
-  myRadioButton1 = new QRadioButton(GroupConstructors, "myRadioButton1");
-  myRadioButton1->setText(tr("" ));
-  myRadioButton1->setPixmap(image0);
-  myRadioButton1->setChecked(TRUE);
-  myRadioButton1->setSizePolicy(QSizePolicy((QSizePolicy::SizeType)1, (QSizePolicy::SizeType)0, myRadioButton1->sizePolicy().hasHeightForWidth()));
-  aGroupConstructorsLayout->addWidget(myRadioButton1, 0, 0);
-  aGroupConstructorsLayout->addItem( new QSpacerItem(20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum), 0, 1);
-  aDialogLayout->addWidget(GroupConstructors, 0, 0);
+  GroupConstructors = new QGroupBox(constructorGrTitle, this);
+  QButtonGroup* ButtonGroup = new QButtonGroup(this);
+  QHBoxLayout* aGroupConstructorsLayout = new QHBoxLayout(GroupConstructors);
+  aGroupConstructorsLayout->setSpacing(SPACING);
+  aGroupConstructorsLayout->setMargin(MARGIN);
+
+  myRadioButton1 = new QRadioButton(GroupConstructors);
+  myRadioButton1->setIcon(image0);
+  aGroupConstructorsLayout->addWidget(myRadioButton1);
+  ButtonGroup->addButton(myRadioButton1, 0);
 
   /***************************************************************/
-  GroupArguments = new QGroupBox(this, "GroupArguments");
-  GroupArguments->setTitle(argumentsGrTitle);
-  GroupArguments->setColumnLayout(0, Qt::Vertical);
-  GroupArguments->layout()->setSpacing(0);
-  GroupArguments->layout()->setMargin(0);
-  GroupArguments->setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::Expanding));
-  QGridLayout* aGroupArgumentsLayout = new QGridLayout(GroupArguments->layout());
-  aGroupArgumentsLayout->setAlignment(Qt::AlignTop);
-  aGroupArgumentsLayout->setSpacing(6);
-  aGroupArgumentsLayout->setMargin(11);
-  QLabel* aCornerNodesLabel = new QLabel(GroupArguments, "aCornerNodesLabel");
-  aCornerNodesLabel->setText(tr("SMESH_CORNER_NODES" ));
-  aGroupArgumentsLayout->addWidget(aCornerNodesLabel, 0, 0);
-  mySelectButton = new QPushButton(GroupArguments, "mySelectButton");
-  mySelectButton->setPixmap(image1);
-  aGroupArgumentsLayout->addWidget(mySelectButton, 0, 1);
-  myCornerNodes = new QLineEdit(GroupArguments, "myCornerNodes");
-  aGroupArgumentsLayout->addWidget(myCornerNodes, 0, 2);
-
-  myTable = new QTable(GroupArguments);
-  aGroupArgumentsLayout->addMultiCellWidget(myTable, 1, 1, 0, 2);
-  myReverseCB = new QCheckBox(GroupArguments, "myReverseCB");
-  myReverseCB->setText(tr("SMESH_REVERSE" ));
-  aGroupArgumentsLayout->addWidget(myReverseCB, 2, 0);
-  aDialogLayout->addWidget(GroupArguments, 1, 0);
+  GroupArguments = new QGroupBox(argumentsGrTitle, this);
+  QGridLayout* aGroupArgumentsLayout = new QGridLayout(GroupArguments);
+  aGroupArgumentsLayout->setSpacing(SPACING);
+  aGroupArgumentsLayout->setMargin(MARGIN);
+
+  QLabel* aCornerNodesLabel = new QLabel(tr("SMESH_CORNER_NODES"), GroupArguments);
+  mySelectButton = new QPushButton(GroupArguments);
+  mySelectButton->setIcon(image1);
+  myCornerNodes = new QLineEdit(GroupArguments);
 
+  myTable = new QTableWidget(GroupArguments);
+
+  myReverseCB = new QCheckBox(tr("SMESH_REVERSE"), GroupArguments);
+
+  aGroupArgumentsLayout->addWidget(aCornerNodesLabel, 0, 0);
+  aGroupArgumentsLayout->addWidget(mySelectButton,    0, 1);
+  aGroupArgumentsLayout->addWidget(myCornerNodes,     0, 2);
+  aGroupArgumentsLayout->addWidget(myTable,           1, 0, 1, 3); 
+  aGroupArgumentsLayout->addWidget(myReverseCB,       2, 0, 1, 3);
   
   /***************************************************************/
-  GroupButtons = new QGroupBox(this, "GroupButtons");
-  GroupButtons->setColumnLayout(0, Qt::Vertical);
-  GroupButtons->layout()->setSpacing(0);
-  GroupButtons->layout()->setMargin(0);
-  GroupButtons->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
-  QGridLayout* aGroupButtonsLayout = new QGridLayout(GroupButtons->layout());
-  aGroupButtonsLayout->setAlignment(Qt::AlignTop);
-  aGroupButtonsLayout->setSpacing(6);
-  aGroupButtonsLayout->setMargin(11);
-  buttonCancel = new QPushButton(GroupButtons, "buttonCancel");
-  buttonCancel->setText(tr("SMESH_BUT_CLOSE" ));
-  buttonCancel->setAutoDefault(TRUE);
-  aGroupButtonsLayout->addWidget(buttonCancel, 0, 3);
-  buttonApply = new QPushButton(GroupButtons, "buttonApply");
-  buttonApply->setText(tr("SMESH_BUT_APPLY" ));
-  buttonApply->setAutoDefault(TRUE);
-  aGroupButtonsLayout->addWidget(buttonApply, 0, 1);
-  aGroupButtonsLayout->addItem( new QSpacerItem(20, 20, QSizePolicy::Expanding, QSizePolicy::Minimum), 0, 2);
-  buttonOk = new QPushButton(GroupButtons, "buttonOk");
-  buttonOk->setText(tr("SMESH_BUT_OK" ));
-  buttonOk->setAutoDefault(TRUE);
-  buttonOk->setDefault(TRUE);
-  aGroupButtonsLayout->addWidget(buttonOk, 0, 0);
-  buttonHelp = new QPushButton(GroupButtons, "buttonHelp");
-  buttonHelp->setText(tr("SMESH_BUT_HELP" ));
-  buttonHelp->setAutoDefault(TRUE);
-  aGroupButtonsLayout->addWidget(buttonHelp, 0, 4);
-
-  aDialogLayout->addWidget(GroupButtons, 2, 0);
+  GroupButtons = new QGroupBox(this);
+  QHBoxLayout* aGroupButtonsLayout = new QHBoxLayout(GroupButtons);
+  aGroupButtonsLayout->setSpacing(SPACING);
+  aGroupButtonsLayout->setMargin(MARGIN);
+
+  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);
+
+  aGroupButtonsLayout->addWidget(buttonOk);
+  aGroupButtonsLayout->addSpacing(10);
+  aGroupButtonsLayout->addWidget(buttonApply);
+  aGroupButtonsLayout->addSpacing(10);
+  aGroupButtonsLayout->addStretch();
+  aGroupButtonsLayout->addWidget(buttonCancel);
+  aGroupButtonsLayout->addWidget(buttonHelp);
+
+  /***************************************************************/
+  aDialogLayout->addWidget(GroupConstructors);
+  aDialogLayout->addWidget(GroupArguments);
+  aDialogLayout->addWidget(GroupButtons);
 
   Init(); /* Initialisations */
 }
@@ -475,7 +543,6 @@ SMESHGUI_AddQuadraticElementDlg::SMESHGUI_AddQuadraticElementDlg( SMESHGUI* theM
 //=================================================================================
 SMESHGUI_AddQuadraticElementDlg::~SMESHGUI_AddQuadraticElementDlg()
 {
-  // no need to delete child widgets, Qt does it all for us
   delete mySimulation;
 }
 
@@ -485,9 +552,7 @@ SMESHGUI_AddQuadraticElementDlg::~SMESHGUI_AddQuadraticElementDlg()
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::Init()
 {
-  GroupArguments->show();
-  myRadioButton1->setChecked(TRUE);
-  myIsEditCorners = true;
+  myRadioButton1->setChecked(true);
   mySMESHGUI->SetActiveDialogBox((QDialog*)this);
   
   myActor = 0;
@@ -532,38 +597,44 @@ void SMESHGUI_AddQuadraticElementDlg::Init()
     break;
   }
     
-  myCornerNodes->setValidator(new SMESHGUI_IdValidator(this, "validator", myNbCorners));
+  myCornerNodes->setValidator(new SMESHGUI_IdValidator(this, myNbCorners));
 
   /* initialize table */
-  myTable->setNumCols(3);
-  myTable->setNumRows(aNumRows);
+  myTable->setColumnCount(3);
+  myTable->setRowCount(aNumRows);
 
   QStringList aColLabels;
   aColLabels.append(tr("SMESH_FIRST"));
   aColLabels.append(tr("SMESH_MIDDLE"));
   aColLabels.append(tr("SMESH_LAST"));
-  myTable->setColumnLabels(aColLabels);
+  myTable->setHorizontalHeaderLabels(aColLabels);
   
-  for ( int col = 0; col < myTable->numCols(); col++ )
+  for ( int col = 0; col < myTable->columnCount(); col++ )
     myTable->setColumnWidth(col, 80);
 
-  myTable->setColumnReadOnly(0, true);
-  myTable->setColumnReadOnly(2, true);
+  //myTable->setColumnReadOnly(0, true); // VSR: TODO
+  //myTable->setColumnReadOnly(2, true); // VSR: TODO
 
   myTable->setEnabled( false );
   
-  for ( int row = 0; row < myTable->numRows(); row++ )
-    {
-      SMESHGUI_IdEditItem* anEditItem = new SMESHGUI_IdEditItem( myTable, QTableItem::OnTyping, "" );
-      anEditItem->setReplaceable(false);
-      myTable->setItem(row, 1, anEditItem);
-    }
+  for ( int row = 0; row < myTable->rowCount(); row++ )
+  {
+    myTable->setItem( row, 0, new QTableWidgetItem( "" ) );
+    myTable->item( row, 0 )->setFlags(0);
+
+    IdEditItem* anEditItem = new IdEditItem( "" );
+    anEditItem->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEditable | Qt::ItemIsEnabled);
+    myTable->setItem(row, 1, anEditItem);
+
+    myTable->setItem( row, 2, new QTableWidgetItem( "" ) );
+    myTable->item( row, 2 )->setFlags(0);
+  }
   
   /* signals and slots connections */
   connect(mySelectButton, SIGNAL(clicked()), SLOT(SetEditCorners()));
   connect(mySelectionMgr, SIGNAL(currentSelectionChanged()), SLOT(SelectionIntoArgument()));
-  connect(myTable,        SIGNAL(doubleClicked(int, int, int, const QPoint&)), SLOT(onCellDoubleClicked(int, int, int, const QPoint&)));
-  connect(myTable,        SIGNAL(valueChanged (int, int)), SLOT(onCellTextChange(int, int)));
+  connect(myTable,        SIGNAL(cellDoubleClicked(int, int)), SLOT(onCellDoubleClicked(int, int)));
+  connect(myTable,        SIGNAL(cellChanged (int, int)), SLOT(onCellTextChange(int, int)));
   connect(myCornerNodes,  SIGNAL(textChanged(const QString&)), SLOT(onTextChange(const QString&)));
   connect(myReverseCB,    SIGNAL(stateChanged(int)), SLOT(onReverse(int)));
 
@@ -575,16 +646,12 @@ void SMESHGUI_AddQuadraticElementDlg::Init()
   connect(mySMESHGUI, SIGNAL (SignalDeactivateActiveDialog()), SLOT(DeactivateActiveDialog()));
   connect(mySMESHGUI, SIGNAL (SignalStudyFrameChanged()), SLOT(ClickOnCancel()));
 
-  this->show(); // displays Dialog
-
   // set selection mode
   SMESH::SetPointRepresentation(true);
 
   if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
     aViewWindow->SetSelectionMode( NodeSelection );
 
-  myBusy = false;
-
   SetEditCorners();
 }
 
@@ -594,68 +661,66 @@ void SMESHGUI_AddQuadraticElementDlg::Init()
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::ClickOnApply()
 {
-  if (IsValid() && !mySMESHGUI->isActiveStudyLocked()) {
-    myBusy = true;
-    
-    vector<int> anIds;
+  if ( mySMESHGUI->isActiveStudyLocked() || myBusy || !IsValid() )
+    return;
 
-    switch (myType) {
-    case QUAD_EDGE:
-      anIds.push_back(myTable->text(0, 0).toInt());
-      anIds.push_back(myTable->text(0, 2).toInt());
-      anIds.push_back(myTable->text(0, 1).toInt());
-      break;
-    case QUAD_TRIANGLE:
-    case QUAD_QUADRANGLE:
-    case QUAD_TETRAHEDRON:
-    case QUAD_PYRAMID:
-    case QUAD_PENTAHEDRON:
-    case QUAD_HEXAHEDRON:
-      for ( int row = 0; row < myNbCorners; row++ )
-       anIds.push_back(myTable->text(row, 0).toInt());
-      for ( int row = 0; row < myTable->numRows(); row++ )
-       anIds.push_back(myTable->text(row, 1).toInt());
-      break;
-    }
-    if ( myReverseCB->isChecked())
-      SMESH::ReverseConnectivity( anIds, myType );
+  BusyLocker lock( myBusy );
+
+  std::vector<vtkIdType> anIds;
+
+  switch (myType) {
+  case QUAD_EDGE:
+    anIds.push_back(myTable->item(0, 0)->text().toInt());
+    anIds.push_back(myTable->item(0, 2)->text().toInt());
+    anIds.push_back(myTable->item(0, 1)->text().toInt());
+    break;
+  case QUAD_TRIANGLE:
+  case QUAD_QUADRANGLE:
+  case QUAD_TETRAHEDRON:
+  case QUAD_PYRAMID:
+  case QUAD_PENTAHEDRON:
+  case QUAD_HEXAHEDRON:
+    for ( int row = 0; row < myNbCorners; row++ )
+      anIds.push_back(myTable->item(row, 0)->text().toInt());
+    for ( int row = 0; row < myTable->rowCount(); row++ )
+      anIds.push_back(myTable->item(row, 1)->text().toInt());
+    break;
+  }
+  if ( myReverseCB->isChecked())
+    SMESH::ReverseConnectivity( anIds, myType );
     
-    int aNumberOfIds =  anIds.size();
-    SMESH::long_array_var anArrayOfIdeces = new SMESH::long_array;
-    anArrayOfIdeces->length( aNumberOfIds );
+  int aNumberOfIds =  anIds.size();
+  SMESH::long_array_var anArrayOfIdeces = new SMESH::long_array;
+  anArrayOfIdeces->length( aNumberOfIds );
     
-    for (int i = 0; i < aNumberOfIds; i++)
-      anArrayOfIdeces[i] = anIds[ i ];
+  for (int i = 0; i < aNumberOfIds; i++)
+    anArrayOfIdeces[i] = anIds[ i ];
 
-    SMESH::SMESH_MeshEditor_var aMeshEditor = myMesh->GetMeshEditor();
-    switch (myType) {
-    case QUAD_EDGE:
-      aMeshEditor->AddEdge(anArrayOfIdeces.inout()); break;
-    case QUAD_TRIANGLE:
-    case QUAD_QUADRANGLE:
-      aMeshEditor->AddFace(anArrayOfIdeces.inout()); break;
-    case QUAD_TETRAHEDRON:
-    case QUAD_PYRAMID:
-    case QUAD_PENTAHEDRON: 
-    case QUAD_HEXAHEDRON:
-      aMeshEditor->AddVolume(anArrayOfIdeces.inout()); break;
-    }
+  SMESH::SMESH_MeshEditor_var aMeshEditor = myMesh->GetMeshEditor();
+  switch (myType) {
+  case QUAD_EDGE:
+    aMeshEditor->AddEdge(anArrayOfIdeces.inout()); break;
+  case QUAD_TRIANGLE:
+  case QUAD_QUADRANGLE:
+    aMeshEditor->AddFace(anArrayOfIdeces.inout()); break;
+  case QUAD_TETRAHEDRON:
+  case QUAD_PYRAMID:
+  case QUAD_PENTAHEDRON: 
+  case QUAD_HEXAHEDRON:
+    aMeshEditor->AddVolume(anArrayOfIdeces.inout()); break;
+  }
     
-    SALOME_ListIO aList; aList.Append( myActor->getIO() );
-    mySelector->ClearIndex();
-    mySelectionMgr->setSelectedObjects( aList, false );
+  SALOME_ListIO aList; aList.Append( myActor->getIO() );
+  mySelector->ClearIndex();
+  mySelectionMgr->setSelectedObjects( aList, false );
 
-    SMESH::UpdateView();
-    mySimulation->SetVisibility(false);
+  mySimulation->SetVisibility(false);
+  SMESH::UpdateView();
     
-    buttonOk->setEnabled(false);
-    buttonApply->setEnabled(false);
-
-    UpdateTable();
-    SetEditCorners();
+  UpdateTable();
+  SetEditCorners();
 
-    myBusy = false;
-  }
+  updateButtons();
 }
 
 //=================================================================================
@@ -666,7 +731,6 @@ void SMESHGUI_AddQuadraticElementDlg::ClickOnOk()
 {
   ClickOnApply();
   ClickOnCancel();
-  return;
 }
 
 //=================================================================================
@@ -683,7 +747,6 @@ void SMESHGUI_AddQuadraticElementDlg::ClickOnCancel()
   disconnect(mySelectionMgr, 0, this, 0);
   mySMESHGUI->ResetState();
   reject();
-  return;
 }
 
 //=================================================================================
@@ -696,16 +759,17 @@ void SMESHGUI_AddQuadraticElementDlg::ClickOnHelp()
   if (app) 
     app->onHelpContextModule(mySMESHGUI ? app->moduleName(mySMESHGUI->moduleName()) : QString(""), myHelpFileName);
   else {
-               QString platform;
+    QString platform;
 #ifdef WIN32
-               platform = "winapplication";
+    platform = "winapplication";
 #else
-               platform = "application";
+    platform = "application";
 #endif
-    SUIT_MessageBox::warn1(0, QObject::tr("WRN_WARNING"),
-                          QObject::tr("EXTERNAL_BROWSER_CANNOT_SHOW_PAGE").
-                          arg(app->resourceMgr()->stringValue("ExternalBrowser", platform)).arg(myHelpFileName),
-                          QObject::tr("BUT_OK"));
+    SUIT_MessageBox::warning(this, tr("WRN_WARNING"),
+                            tr("EXTERNAL_BROWSER_CANNOT_SHOW_PAGE").
+                            arg(app->resourceMgr()->stringValue("ExternalBrowser", 
+                                                                platform)).
+                            arg(myHelpFileName));
   }
 }
 
@@ -716,11 +780,8 @@ void SMESHGUI_AddQuadraticElementDlg::ClickOnHelp()
 void SMESHGUI_AddQuadraticElementDlg::onTextChange (const QString& theNewText)
 {
   if (myBusy) return;
-  myBusy = true;
+  BusyLocker lock( myBusy );
   
-  buttonOk->setEnabled(false);
-  buttonApply->setEnabled(false);
-
   mySimulation->SetVisibility(false);
 
   // hilight entered nodes
@@ -731,16 +792,18 @@ void SMESHGUI_AddQuadraticElementDlg::onTextChange (const QString& theNewText)
   if (aMesh) {
     TColStd_MapOfInteger newIndices;
     
-    QStringList aListId = QStringList::split(" ", theNewText, false);
+    QStringList aListId = theNewText.split(" ", QString::SkipEmptyParts);
     bool allOk = true;
     for (int i = 0; i < aListId.count(); i++) {
-      if( const SMDS_MeshNode * n = aMesh->FindNode( aListId[ i ].toInt() ) )
+      if ( const SMDS_MeshNode * n = aMesh->FindNode( aListId[ i ].toInt() ) )
+      {
        newIndices.Add( n->GetID() );
+      }
       else
-       {
-         allOk = false;
-         break;
-       }
+      {
+       allOk = false;
+       break;
+      }
     }
     
     mySelector->AddOrRemoveIndex( myActor->getIO(), newIndices, false );
@@ -751,15 +814,8 @@ void SMESHGUI_AddQuadraticElementDlg::onTextChange (const QString& theNewText)
       UpdateTable( allOk );
   }
   
-  if( IsValid() ) {
-    buttonOk->setEnabled(true);
-    buttonApply->setEnabled(true);
-  }
-
-  if ( sender() == myTable )
-    displaySimulation();
-  
-  myBusy = false;
+  updateButtons();
+  displaySimulation();
 }
 
 //=================================================================================
@@ -769,73 +825,65 @@ void SMESHGUI_AddQuadraticElementDlg::onTextChange (const QString& theNewText)
 void SMESHGUI_AddQuadraticElementDlg::SelectionIntoArgument()
 {
   if (myBusy) return;
+  BusyLocker lock( myBusy );
   
   if ( myIsEditCorners )
-    {
-      // clear
-      myActor = 0;
-      
-      myBusy = true;
-      myCornerNodes->setText("");
-      myBusy = false;
-      
-      if (!GroupButtons->isEnabled()) // inactive
-       return;
-      
-      buttonOk->setEnabled(false);
-      buttonApply->setEnabled(false);
-      
-      mySimulation->SetVisibility(false);
-      
-      // get selected mesh
-      SALOME_ListIO aList;
-      mySelectionMgr->selectedObjects(aList,SVTK_Viewer::Type());
+  {
+    // clear
+    myActor = 0;
+    
+    myCornerNodes->setText("");
+    
+    if (!GroupButtons->isEnabled()) // inactive
+      return;
+    
+    mySimulation->SetVisibility(false);
       
-      if (aList.Extent() != 1)
-       {
-         UpdateTable();
-         return;
-       }
+    // get selected mesh
+    SALOME_ListIO aList;
+    mySelectionMgr->selectedObjects(aList,SVTK_Viewer::Type());
+    
+    if (aList.Extent() != 1)
+    {
+      UpdateTable();
+      updateButtons();
+      return;
+    }
       
-      Handle(SALOME_InteractiveObject) anIO = aList.First();
-      myMesh = SMESH::GetMeshByIO(anIO);
-      if (myMesh->_is_nil())
-       return;
+    Handle(SALOME_InteractiveObject) anIO = aList.First();
+    myMesh = SMESH::GetMeshByIO(anIO);
+    if (myMesh->_is_nil()) {
+      updateButtons();
+      return;
+    }
       
-      myActor = SMESH::FindActorByEntry(anIO->getEntry());
+    myActor = SMESH::FindActorByEntry(anIO->getEntry());
   
-    }
+  }
   
-  if (!myActor)
+  if (!myActor) {
+    updateButtons();
     return;
+  }
   
   // get selected nodes
   QString aString = "";
   int nbNodes = SMESH::GetNameOfSelectedNodes(mySelector,myActor->getIO(),aString);
   
   if ( myIsEditCorners )
-    {
-      myBusy = true;
-      myCornerNodes->setText(aString);
-      myBusy = false;
-      
-      UpdateTable();
-    }
+  {
+    myCornerNodes->setText(aString);
+    
+    UpdateTable();
+  }
   else if ( myTable->isEnabled() && nbNodes == 1 )
-    {
-      myBusy = true;
-      int theRow = myTable->currentRow(), theCol = myTable->currentColumn();
-      if ( theCol == 1 )
-       myTable->setText(theRow, 1, aString);
-      myBusy = false;
-    }
+  {
+    int theRow = myTable->currentRow(), theCol = myTable->currentColumn();
+    if ( theCol == 1 )
+      myTable->item(theRow, 1)->setText(aString);
+  }
   
-  if ( IsValid() )
-    {
-      buttonOk->setEnabled( true );
-      buttonApply->setEnabled( true );
-    }
-
+  updateButtons();
   displaySimulation();
 }
 
@@ -845,42 +893,47 @@ void SMESHGUI_AddQuadraticElementDlg::SelectionIntoArgument()
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::displaySimulation()
 {
-  if (!myIsEditCorners) {
+  if ( IsValid() )
+  {
     SMESH::TElementSimulation::TVTKIds anIds;
     
     // Collect ids from the dialog
     int anID;
     bool ok;
     int aDisplayMode = VTK_SURFACE;
-
+    
     if ( myType == QUAD_EDGE )
-      {
-       anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->text(0, 0).toInt() ) );
-       anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->text(0, 2).toInt() ) );
-       anID = (myTable->text(0, 1)).toInt(&ok);
-       if (!ok) anID = (myTable->text(0, 0)).toInt();
-       anIds.push_back( myActor->GetObject()->GetNodeVTKId(anID) );
-       aDisplayMode = VTK_WIREFRAME;
-      }
+    {
+      anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->item(0, 0)->text().toInt() ) );
+      anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->item(0, 2)->text().toInt() ) );
+      anID = myTable->item(0, 1)->text().toInt(&ok);
+      if (!ok) anID = myTable->item(0, 0)->text().toInt();
+      anIds.push_back( myActor->GetObject()->GetNodeVTKId(anID) );
+      aDisplayMode = VTK_WIREFRAME;
+    }
     else
+    {
+      for ( int row = 0; row < myNbCorners; row++ )
+       anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->item(row, 0)->text().toInt() ) );
+      
+      for ( int row = 0; row < myTable->rowCount(); row++ )
       {
-       for ( int row = 0; row < myNbCorners; row++ )
-         anIds.push_back( myActor->GetObject()->GetNodeVTKId( myTable->text(row, 0).toInt() ) );
-       
-       for ( int row = 0; row < myTable->numRows(); row++ )
-         {
-           anID = (myTable->text(row, 1)).toInt(&ok);
-           if (!ok) {
-             anID = (myTable->text(row, 0)).toInt();
-             aDisplayMode = VTK_WIREFRAME;
-           }
-           anIds.push_back( myActor->GetObject()->GetNodeVTKId(anID) );
-         }
+       anID = myTable->item(row, 1)->text().toInt(&ok);
+       if (!ok) {
+         anID = myTable->item(row, 0)->text().toInt();
+         aDisplayMode = VTK_WIREFRAME;
+       }
+       anIds.push_back( myActor->GetObject()->GetNodeVTKId(anID) );
       }
+    }
     
     mySimulation->SetPosition(myActor,myType,anIds,aDisplayMode,myReverseCB->isChecked());
-    SMESH::UpdateView();
   }
+  else
+  {
+    mySimulation->SetVisibility(false);
+  }
+  SMESH::UpdateView();
 }
 
 //=================================================================================
@@ -891,8 +944,8 @@ void SMESHGUI_AddQuadraticElementDlg::SetEditCorners()
 {
   myCornerNodes->setFocus();
   myIsEditCorners = true;
-  
   SelectionIntoArgument();
+  updateButtons();
 }
 
 //=================================================================================
@@ -940,7 +993,6 @@ void SMESHGUI_AddQuadraticElementDlg::enterEvent (QEvent*)
   if (GroupConstructors->isEnabled())
     return;
   ActivateThisDialog();
-  return;
 }
 
 //=================================================================================
@@ -951,7 +1003,6 @@ void SMESHGUI_AddQuadraticElementDlg::closeEvent (QCloseEvent*)
 {
   /* same than click on cancel button */
   ClickOnCancel();
-  return;
 }
 
 //=================================================================================
@@ -970,13 +1021,9 @@ void SMESHGUI_AddQuadraticElementDlg::hideEvent (QHideEvent*)
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::onReverse (int state)
 {
-  if (!IsValid())
-    return;
-
-  if (state >= 0) {
-    mySimulation->SetVisibility(false);
-    displaySimulation();
-  }
+  mySimulation->SetVisibility(false);
+  displaySimulation();
+  updateButtons();
 }
 
 
@@ -994,16 +1041,16 @@ bool SMESHGUI_AddQuadraticElementDlg::IsValid()
 
   bool ok;
   
-  for ( int row = 0; row < myTable->numRows(); row++ )
-    {
-      int anID =  (myTable->text(row, 1)).toInt(&ok);
-      if ( !ok )
-       return false;
-      
-      const SMDS_MeshNode * aNode = aMesh->FindNode(anID);
-      if ( !aNode )
-       return false;
-    }
+  for ( int row = 0; row < myTable->rowCount(); row++ )
+  {
+    int anID =  myTable->item(row, 1)->text().toInt(&ok);
+    if ( !ok )
+      return false;
+    
+    const SMDS_MeshNode * aNode = aMesh->FindNode(anID);
+    if ( !aNode )
+      return false;
+  }
   
   return true;
 }
@@ -1014,66 +1061,66 @@ bool SMESHGUI_AddQuadraticElementDlg::IsValid()
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::UpdateTable( bool theConersValidity )
 {
-  QStringList aListCorners = QStringList::split(" ", myCornerNodes->text(), false);
+  QStringList aListCorners = myCornerNodes->text().split(" ", QString::SkipEmptyParts);
   
   if ( aListCorners.count() == myNbCorners && theConersValidity )
-    {
-      myTable->setEnabled( true );
-      
-      // clear the Middle column 
-      for ( int row = 0; row < myTable->numRows(); row++ )
-       myTable->setText( row, 1, "");
-      
-      int* aFirstColIds;
-      int* aLastColIds;
-
-      switch (myType) {
-      case QUAD_EDGE:
-       aFirstColIds = FirstEdgeIds;
-       aLastColIds  = LastEdgeIds;
-       break;
-      case QUAD_TRIANGLE:
-       aFirstColIds = FirstTriangleIds;
-       aLastColIds  = LastTriangleIds;
-       break;
-      case QUAD_QUADRANGLE:
-       aFirstColIds = FirstQuadrangleIds;
-       aLastColIds  = LastQuadrangleIds;
-       break;
-      case QUAD_TETRAHEDRON:
-       aFirstColIds = FirstTetrahedronIds;
-       aLastColIds  = LastTetrahedronIds;
-       break;
-      case QUAD_PYRAMID:
-       aFirstColIds = FirstPyramidIds;
-       aLastColIds  = LastPyramidIds;
-       break;
-      case QUAD_PENTAHEDRON:
-       aFirstColIds = FirstPentahedronIds;
-       aLastColIds  = LastPentahedronIds;
-       break; 
-      case QUAD_HEXAHEDRON:
-       aFirstColIds = FirstHexahedronIds;
-       aLastColIds  = LastHexahedronIds;
-       break;
-      }
-      
-      // fill the First and the Last columns
-      for (int i = 0, iEnd = myTable->numRows(); i < iEnd; i++)
-       myTable->setText( i, 0, aListCorners[ aFirstColIds[i] ] );
-      
-      for (int i = 0, iEnd = myTable->numRows(); i < iEnd; i++)
-       myTable->setText( i, 2, aListCorners[ aLastColIds[i] ] );
+  {
+    myTable->setEnabled( true );
+    
+    // clear the Middle column 
+    for ( int row = 0; row < myTable->rowCount(); row++ )
+      myTable->item( row, 1 )->setText("");
+    
+    int* aFirstColIds;
+    int* aLastColIds;
+    
+    switch (myType) {
+    case QUAD_EDGE:
+      aFirstColIds = FirstEdgeIds;
+      aLastColIds  = LastEdgeIds;
+      break;
+    case QUAD_TRIANGLE:
+      aFirstColIds = FirstTriangleIds;
+      aLastColIds  = LastTriangleIds;
+      break;
+    case QUAD_QUADRANGLE:
+      aFirstColIds = FirstQuadrangleIds;
+      aLastColIds  = LastQuadrangleIds;
+      break;
+    case QUAD_TETRAHEDRON:
+      aFirstColIds = FirstTetrahedronIds;
+      aLastColIds  = LastTetrahedronIds;
+      break;
+    case QUAD_PYRAMID:
+      aFirstColIds = FirstPyramidIds;
+      aLastColIds  = LastPyramidIds;
+      break;
+    case QUAD_PENTAHEDRON:
+      aFirstColIds = FirstPentahedronIds;
+      aLastColIds  = LastPentahedronIds;
+      break; 
+    case QUAD_HEXAHEDRON:
+      aFirstColIds = FirstHexahedronIds;
+      aLastColIds  = LastHexahedronIds;
+      break;
     }
+    
+    // fill the First and the Last columns
+    for (int i = 0, iEnd = myTable->rowCount(); i < iEnd; i++)
+      myTable->item( i, 0 )->setText( aListCorners[ aFirstColIds[i] ] );
+    
+    for (int i = 0, iEnd = myTable->rowCount(); i < iEnd; i++)
+      myTable->item( i, 2 )->setText( aListCorners[ aLastColIds[i] ] );
+  }
   else
-    {
-      // clear table
-      for ( int row = 0; row < myTable->numRows(); row++ )
-        for ( int col = 0; col < myTable->numCols(); col++ )
-         myTable->setText(row, col, "");
-      
-      myTable->setEnabled( false );
-    }
+  {
+    // clear table
+    for ( int row = 0; row < myTable->rowCount(); row++ )
+      for ( int col = 0; col < myTable->columnCount(); col++ )
+       if ( QTableWidgetItem* aTWI = myTable->item(row, col) ) aTWI->setText("");
+    
+    myTable->setEnabled( false );
+  }
 }
 
 
@@ -1081,13 +1128,11 @@ void SMESHGUI_AddQuadraticElementDlg::UpdateTable( bool theConersValidity )
 // function : onTableActivate()
 // purpose  :
 //=================================================================================
-void SMESHGUI_AddQuadraticElementDlg::onCellDoubleClicked( int theRow, int theCol, int theButton, const QPoint& theMousePos )
+void SMESHGUI_AddQuadraticElementDlg::onCellDoubleClicked( int theRow, int theCol )
 {
-  if ( theButton == 1 && theCol == 1 )
-    myIsEditCorners = false;
-  
+  myIsEditCorners = false;
   displaySimulation();
-  return;
+  updateButtons();
 }
 
 
@@ -1097,15 +1142,9 @@ void SMESHGUI_AddQuadraticElementDlg::onCellDoubleClicked( int theRow, int theCo
 //=================================================================================
 void SMESHGUI_AddQuadraticElementDlg::onCellTextChange(int theRow, int theCol)
 {
-  onTextChange( myTable->text(theRow, theCol) );
-}
-
-
-QWidget* SMESHGUI_IdEditItem::createEditor() const
-{
-  QLineEdit *aLineEdit = new QLineEdit(text(), table()->viewport());
-  aLineEdit->setValidator( new SMESHGUI_IdValidator(table()->viewport(), "validator", 1) );
-  return aLineEdit;
+  myIsEditCorners = false;
+  displaySimulation();
+  updateButtons();
 }
 
 //=================================================================================
@@ -1118,9 +1157,15 @@ void SMESHGUI_AddQuadraticElementDlg::keyPressEvent( QKeyEvent* e )
   if ( e->isAccepted() )
     return;
 
-  if ( e->key() == Key_F1 )
-    {
-      e->accept();
-      ClickOnHelp();
-    }
+  if ( e->key() == Qt::Key_F1 ) {
+    e->accept();
+    ClickOnHelp();
+  }
+}
+
+void SMESHGUI_AddQuadraticElementDlg::updateButtons()
+{
+  bool valid = IsValid();
+  buttonOk->setEnabled( valid );
+  buttonApply->setEnabled( valid );
 }