//  SMESH SMESHGUI : GUI for SMESH component
//
//  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.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
//
//
//  File   : SMESHGUI_FilterDlg.cxx
//  Author : Sergey LITONIN
//  Module : SMESH

#include "SMESHGUI_FilterDlg.h"

#include "SMESHGUI.h"
#include "SMESHGUI_Utils.h"
#include "SMESHGUI_VTKUtils.h"
#include "SMESHGUI_Filter.h"
#include "SMESHGUI_FilterUtils.h"
#include "SMESHGUI_FilterLibraryDlg.h"

#include "SMESH_Actor.h"
#include "SMESH_NumberFilter.hxx"
#include "SMESH_TypeFilter.hxx"

#include "GEOMBase.h"
#include "GEOM_FaceFilter.h"
#include "GEOM_TypeFilter.h"

#include "SUIT_Desktop.h"
#include "SUIT_ResourceMgr.h"
#include "SUIT_Session.h"
#include "SUIT_MessageBox.h"

#include "LightApp_Application.h"
#include "SalomeApp_Tools.h"
#include "SalomeApp_Study.h"

#include "SALOME_ListIO.hxx"
#include "SALOME_ListIteratorOfListIO.hxx"
#include "SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger.hxx"
#include "SALOMEDSClient_Study.hxx"

#include "SVTK_ViewWindow.h"
#include "SVTK_Selector.h"

// OCCT Includes
#include <StdSelect_TypeOfFace.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS_Shape.hxx>
#include <Geom_Plane.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Precision.hxx>
#include <TColStd_MapOfInteger.hxx>
#include <TColStd_IndexedMapOfInteger.hxx>
#include <TColStd_MapIteratorOfMapOfInteger.hxx>

// QT Includes
#include <qframe.h>
#include <qlayout.h>
#include <qlineedit.h>
#include <qpushbutton.h>
#include <qgroupbox.h>
#include <qtable.h>
#include <qstringlist.h>
#include <qlayout.h>
#include <qwidgetstack.h>
#include <qapplication.h>
#include <qcombobox.h>
#include <qfontmetrics.h>
#include <qmessagebox.h>
#include <qlabel.h>
#include <qbuttongroup.h>
#include <qradiobutton.h>
#include <qregexp.h>
#include <qlistbox.h>
#include <qcheckbox.h>
#include <qobjectlist.h>
#include <qvalidator.h>

// IDL Headers
#include "SALOMEconfig.h"
#include CORBA_SERVER_HEADER(SMESH_Group)

#define SPACING 5
#define MARGIN  10

using namespace SMESH;

static int maxLength (const QMap<int, QString> theMap, const QFontMetrics& theMetrics)
{
  int aRes = 0;
  QMap<int, QString>::const_iterator anIter;
  for (anIter = theMap.begin(); anIter != theMap.end(); ++anIter)
    aRes = Max(aRes, theMetrics.width(anIter.data()));
  return aRes;
}

static int getFilterId (SMESH::ElementType theType)
{
  switch (theType)
  {
    case SMESH::NODE   : return SMESHGUI_NodeFilter;
    case SMESH::EDGE   : return SMESHGUI_EdgeFilter;
    case SMESH::FACE   : return SMESHGUI_FaceFilter;
    case SMESH::VOLUME : return SMESHGUI_VolumeFilter;
    case SMESH::ALL    : return SMESHGUI_AllElementsFilter;
    default            : return SMESHGUI_UnknownFilter;
  }
}

/*
  Class       : SMESHGUI_FilterTable::AdditionalWidget
  Description : Class for storing additional parameters of criterion
*/

class SMESHGUI_FilterTable::AdditionalWidget : public QFrame
{
public:
  enum { Tolerance };

public:

                          AdditionalWidget(QWidget* theParent);
  virtual                 ~AdditionalWidget();

  virtual void            GetParameters(QValueList<int>&) const;
  virtual bool            IsValid(const bool theMsg = true) const;
  virtual double          GetDouble(const int theId) const;
  virtual int             GetInteger(const int theId) const;
  virtual QString         GetString(const int theId) const;
  virtual void            SetDouble(const int theId, const double theVal);
  virtual void            SetInteger(const int theId, const int theVal);
  virtual void            SetString(const int theId, const QString& theVal);
  void                    SetEditable(const int theId, const bool isEditable);
  void                    SetEditable(const bool isEditable);

private:
  QMap< int, QLineEdit* > myLineEdits;
};

SMESHGUI_FilterTable::AdditionalWidget::AdditionalWidget (QWidget* theParent)
     : QFrame(theParent)
{
  QLabel* aLabel = new QLabel(tr("SMESH_TOLERANCE"), this);
  myLineEdits[ Tolerance ] = new QLineEdit(this);
  QDoubleValidator* aValidator = new QDoubleValidator(myLineEdits[ Tolerance ]);
  aValidator->setBottom(0);
  myLineEdits[ Tolerance ]->setValidator(aValidator);

  QHBoxLayout* aLay = new QHBoxLayout(this, 0, SPACING);
  aLay->addWidget(aLabel);
  aLay->addWidget(myLineEdits[ Tolerance ]);

  QSpacerItem* aSpacer = new QSpacerItem(0, 0, QSizePolicy::Expanding, QSizePolicy::Minimum);
  aLay->addItem(aSpacer);

  QString aText = QString("%1").arg(Precision::Confusion());
  myLineEdits[ Tolerance ]->setText(aText);
}

 SMESHGUI_FilterTable::AdditionalWidget::~AdditionalWidget()
{
}

void SMESHGUI_FilterTable::AdditionalWidget::GetParameters (QValueList<int>& theList) const
{
  theList.clear();
  theList.append(Tolerance);
}

bool SMESHGUI_FilterTable::AdditionalWidget::IsValid (const bool theMsg) const
{
  if (!isEnabled())
    return true;

  QValueList<int> aParams;
  GetParameters(aParams);
  QValueList<int>::const_iterator anIter;
  for (anIter = aParams.begin(); anIter != aParams.end(); ++anIter) {
    const QLineEdit* aWg = myLineEdits[ *anIter ];
    int p = 0;
    QString aText = aWg->text();
    if (aWg->isEnabled() && aWg->validator()->validate(aText, p) != QValidator::Acceptable) {
      if (theMsg)
        QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                 tr("SMESHGUI_INVALID_PARAMETERS"), QMessageBox::Ok);
      return false;
    }
  }

  return true;
}

double SMESHGUI_FilterTable::AdditionalWidget::GetDouble (const int theId) const
{
  return myLineEdits.contains(theId) ? myLineEdits[ theId ]->text().toDouble() : 0;
}

int SMESHGUI_FilterTable::AdditionalWidget::GetInteger (const int theId) const
{
  return myLineEdits.contains(theId) ? myLineEdits[ theId ]->text().toInt() : 0;
}

QString SMESHGUI_FilterTable::AdditionalWidget::GetString (const int theId) const
{
  return myLineEdits.contains(theId) ? myLineEdits[ theId ]->text() : QString("");
}

void SMESHGUI_FilterTable::AdditionalWidget::SetDouble (const int theId, const double theVal)
{
  if (myLineEdits.contains(theId))
    myLineEdits[ theId ]->setText(QString("%1").arg(theVal));
}

void SMESHGUI_FilterTable::AdditionalWidget::SetInteger (const int theId, const int theVal)
{
  if (myLineEdits.contains(theId))
    myLineEdits[ theId ]->setText(QString("%1").arg(theVal));
}

void SMESHGUI_FilterTable::AdditionalWidget::SetString (const int theId, const QString& theVal)
{
  if (myLineEdits.contains(theId))
    myLineEdits[ theId ]->setText(theVal);
}

void SMESHGUI_FilterTable::AdditionalWidget::SetEditable (const int theId, const bool isEditable)
{
  if (myLineEdits.contains(theId))
    myLineEdits[ theId ]->setEdited(isEditable);
}

void SMESHGUI_FilterTable::AdditionalWidget::SetEditable (const bool isEditable)
{
  QValueList<int> aParams;
  GetParameters(aParams);
  QValueList<int>::const_iterator anIter;
  for (anIter = aParams.begin(); anIter != aParams.end(); ++anIter)
    myLineEdits[ *anIter ]->setEdited(isEditable);
}

/*
  Class       : SMESHGUI_FilterTable::ComboItem
  Description : Combo table item. Identificator corresponding to string may be assigned
*/

class SMESHGUI_FilterTable::ComboItem : public QComboTableItem
{
public:
                          ComboItem(QTable*, const QMap<int, QString>&);
  virtual                 ~ComboItem();

  virtual void            setStringList (const QStringList & l);
  void                    setStringList(const QMap<int, QString>& theIds);

  int                     GetValue() const;
  void                    SetValue(const int);

private:

  QMap<int, int>          myNumToId;
  QMap<int, int>          myIdToNum;
};

SMESHGUI_FilterTable::ComboItem::ComboItem (QTable*                   theParent,
                                            const QMap<int, QString>& theIds)
: QComboTableItem(theParent, QStringList())
{
  setStringList(theIds);
}

void SMESHGUI_FilterTable::ComboItem::setStringList (const QStringList & l)
{
  QComboTableItem::setStringList(l);
}

void SMESHGUI_FilterTable::ComboItem::setStringList (const QMap<int, QString>& theIds)
{
  int i = 0;
  QStringList aList;
  QMap<int, QString>::const_iterator anIter;
  for (anIter = theIds.begin(); anIter != theIds.end(); ++anIter) {
    myNumToId[ i ] = anIter.key();
    myIdToNum[ anIter.key() ] = i;
    aList.append(anIter.data());
    i++;
  }

  setStringList(aList);
}

SMESHGUI_FilterTable::ComboItem::~ComboItem()
{
}

int SMESHGUI_FilterTable::ComboItem::GetValue() const
{
  return myNumToId[ currentItem() ];
}

void SMESHGUI_FilterTable::ComboItem::SetValue (const int theVal)
{
  setCurrentItem(myIdToNum[ theVal ]);
}


/*
  Class       : SMESHGUI_FilterTable::Table
  Description : Table used by this widget
*/

class SMESHGUI_FilterTable::Table : public QTable
{
public:
                          Table(QWidget* parent);
                          Table(int numRows, int numCols, QWidget* parent = 0);
  virtual                 ~Table();

  void                    SetEditable(const bool state, const int row, const int col);
  bool                    IsEditable(const int row, const int col) const;

  virtual void            insertRows(int row, int count = 1);
  virtual QString         text(int row, int col) const;
};

//=======================================================================
// name    : SMESHGUI_FilterTable::Table::Table
// Purpose : Constructor
//=======================================================================
SMESHGUI_FilterTable::Table::Table (QWidget* parent)
: QTable(parent, "SMESHGUI_FilterTable::Table")
{
}

SMESHGUI_FilterTable::Table::Table (int numRows, int numCols, QWidget* parent)
: QTable(numRows, numCols, parent, "SMESHGUI_FilterTable::Table")
{
}

SMESHGUI_FilterTable::Table::~Table()
{
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Table::SetEditable
// Purpose : Set editable of specified cell
//=======================================================================
void SMESHGUI_FilterTable::Table::SetEditable (const bool isEditable,
                                               const int row, const int col)
{
  QTableItem* anItem = item(row, col);
  if(anItem)
    takeItem(anItem);

  if (!isEditable)
    setItem(row, col, new QTableItem(this, QTableItem::Never, ""));
  else
    setItem(row, col, new QTableItem(this, QTableItem::OnTyping, ""));
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Table::IsEditable
// Purpose : Verify wheter cell is editable
//=======================================================================
bool SMESHGUI_FilterTable::Table::IsEditable (const int row, const int col) const
{
  QTableItem* anItem = item(row, col);
  return anItem == 0 || anItem->editType() != QTableItem::Never;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Table::insertRows
// Purpose : Insert rows (virtual redefined)
//=======================================================================
void SMESHGUI_FilterTable::Table::insertRows (int row, int count)
{
  int anEditRow = currEditRow();
  int anEditCol = currEditCol();

  if (anEditRow >= 0 && anEditCol >= 0)
    endEdit(anEditRow, anEditCol, true, false);

  QTable::insertRows( row, count );
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Table::text
// Purpose : Get text from cell (virtual redefined)
//=======================================================================
QString SMESHGUI_FilterTable::Table::text (int row, int col) const
{
  int anEditRow = currEditRow();
  int anEditCol = currEditCol();

  if (anEditRow >= 0 && anEditCol >= 0 && anEditRow == row && anEditCol == col)
    ((Table*)this)->endEdit(row, col, true, false);

  return QTable::text(row, col);
}


/*
  Class       : SMESHGUI_FilterTable
  Description : Frame containig
                  - Button group for switching entity type
                  - Table for displaying filter criterions
                  - Buttons for editing table and filter libraries
*/

//=======================================================================
// name    : SMESHGUI_FilterTable::SMESHGUI_FilterTable
// Purpose : Constructor
//=======================================================================
SMESHGUI_FilterTable::SMESHGUI_FilterTable( SMESHGUI* theModule,
                                            QWidget* parent,
                                            const int type)
: QFrame(parent),
  myIsLocked( false ),
  mySMESHGUI( theModule )
{
  myEntityType = -1;
  Init(type);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SMESHGUI_FilterTable
// Purpose : Constructor
//=======================================================================
SMESHGUI_FilterTable::SMESHGUI_FilterTable( SMESHGUI* theModule,
                                            QWidget* parent,
                                            const QValueList<int>& types)
: QFrame(parent),
  myIsLocked( false ),
  mySMESHGUI( theModule )
{
  myEntityType = -1;
  Init(types);
}

SMESHGUI_FilterTable::~SMESHGUI_FilterTable()
{
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Init
// Purpose : Create table corresponding to the specified type
//=======================================================================
void SMESHGUI_FilterTable::Init (const int type)
{
  QValueList<int> aTypes;
  aTypes.append(type);
  Init(aTypes);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Init
// Purpose : Create table corresponding to the specified type
//=======================================================================
void SMESHGUI_FilterTable::Init (const QValueList<int>& theTypes)
{
  if (theTypes.isEmpty())
    return;

  // Create buttons if necessary

  if (myTables.isEmpty())
  {
    int aType = theTypes.first();

    // create main layout
    QVBoxLayout* aMainLay = new QVBoxLayout(this);
    QGroupBox* aMainGrp = new QGroupBox(1, Qt::Horizontal, this);
    aMainGrp->setFrameStyle(QFrame::NoFrame);
    aMainGrp->setInsideMargin(0);
    aMainLay->addWidget(aMainGrp);

    // create switch of entity types
    myEntityTypeGrp = new QButtonGroup(1, Qt::Vertical, tr("ENTITY_TYPE"), aMainGrp);
    const QMap<int, QString>& aSupportedTypes = getSupportedTypes();
    QMap<int, QString>::const_iterator anIter;
    for (anIter = aSupportedTypes.begin(); anIter != aSupportedTypes.end(); ++anIter)
    {
      QRadioButton* aBtn = new QRadioButton(anIter.data(), myEntityTypeGrp);
      myEntityTypeGrp->insert(aBtn, anIter.key());
    }

    myTableGrp = new QGroupBox(1, Qt::Horizontal, tr("FILTER"), aMainGrp );
    QFrame* aTableFrame = new QFrame(myTableGrp);

    // create table
    mySwitchTableGrp = new QGroupBox(1, Qt::Horizontal, aTableFrame);
    mySwitchTableGrp->setFrameStyle(QFrame::NoFrame);
    mySwitchTableGrp->setInsideMargin(0);

    myTables[ aType ] = createTable(mySwitchTableGrp, aType);

    // create buttons
    myAddBtn      = new QPushButton(tr("ADD"), aTableFrame);
    myRemoveBtn   = new QPushButton(tr("REMOVE"), aTableFrame);
    myClearBtn    = new QPushButton(tr("CLEAR"), aTableFrame);
    myInsertBtn   = new QPushButton(tr("INSERT"), aTableFrame);
    myCopyFromBtn = new QPushButton(tr("COPY_FROM"), aTableFrame);
    myAddToBtn    = new QPushButton(tr("ADD_TO"), aTableFrame);

    myAddBtn->setAutoDefault(false);
    myRemoveBtn->setAutoDefault(false);
    myClearBtn->setAutoDefault(false);
    myInsertBtn->setAutoDefault(false);
    myCopyFromBtn->setAutoDefault(false);
    myAddToBtn->setAutoDefault(false);

    myCopyFromBtn->hide();
    myAddToBtn->hide();

    // layout widgets
    QGridLayout* aLay = new QGridLayout(aTableFrame, 8, 2, 0, SPACING);

    aLay->addMultiCellWidget(mySwitchTableGrp, 0, 6, 0, 0);
    aLay->addWidget(myAddBtn, 0, 1);
    aLay->addWidget(myInsertBtn, 1, 1);
    aLay->addWidget(myRemoveBtn, 2, 1);
    aLay->addWidget(myClearBtn, 3, 1);
    aLay->addWidget(myCopyFromBtn, 5, 1);
    aLay->addWidget(myAddToBtn, 6, 1);
    aLay->addMultiCellWidget(createAdditionalFrame(aTableFrame), 7, 7, 0, 1 );

    aLay->setColStretch(0, 1);
    aLay->setColStretch(1, 0);

    QSpacerItem* aVSpacer = new QSpacerItem(0, 0, QSizePolicy::Minimum, QSizePolicy::Expanding);
    aLay->addItem(aVSpacer, 4, 1);

    // signals and slots
    connect(myAddBtn,    SIGNAL(clicked()), this, SLOT(onAddBtn()));
    connect(myInsertBtn, SIGNAL(clicked()), this, SLOT(onInsertBtn()));
    connect(myRemoveBtn, SIGNAL(clicked()), this, SLOT(onRemoveBtn()));
    connect(myClearBtn,  SIGNAL(clicked()), this, SLOT(onClearBtn()));

    connect(myCopyFromBtn, SIGNAL(clicked()), this, SLOT(onCopyFromBtn()));
    connect(myAddToBtn,    SIGNAL(clicked()), this, SLOT(onAddToBtn()));

    connect(myEntityTypeGrp, SIGNAL(clicked(int)), this, SLOT(onEntityType(int)));

    myLibDlg = 0;
  }

  // Hide buttons of entity types if necessary
  const QMap<int, QString>& aSupportedTypes = getSupportedTypes();
  QMap<int, QString>::const_iterator anIt;
  for (anIt = aSupportedTypes.begin(); anIt != aSupportedTypes.end(); ++anIt)
  {
    QButton* aBtn = myEntityTypeGrp->find(anIt.key());
    theTypes.contains(anIt.key()) ? aBtn->show() : aBtn->hide();
  }

  // select first button if there is no selected buttons or it is hidden
  QButton* aBtn = myEntityTypeGrp->selected();
  if ( aBtn == 0 || theTypes.find(myEntityTypeGrp->id(aBtn)) == theTypes.end())
    myEntityTypeGrp->setButton(theTypes.first());

  if (theTypes.count() == 1)
    myEntityTypeGrp->hide();
  else
    myEntityTypeGrp->show();

  myTableGrp->updateGeometry();
  int aType = myEntityTypeGrp->id(myEntityTypeGrp->selected());
  onEntityType(aType);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetTableGrp
// Purpose : Get group box containing table. May be used for adding new widgets in it
//=======================================================================
QWidget* SMESHGUI_FilterTable::createAdditionalFrame (QWidget* theParent)
{
  QFrame* aFrame = new QFrame(theParent);

  QFrame* aLine1 = new QFrame(aFrame);
  QFrame* aLine2 = new QFrame(aFrame);
  aLine1->setFrameStyle(QFrame::HLine | QFrame::Sunken);
  aLine2->setFrameStyle(QFrame::HLine | QFrame::Sunken);
  aLine1->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));
  aLine2->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));

  QLabel* aLabel = new QLabel(tr("ADDITIONAL_PARAMETERS"), aFrame);

  myWgStack = new QWidgetStack(aFrame);

  QGridLayout* aLay = new QGridLayout(aFrame, 2, 3, 0, SPACING);
  aLay->addWidget(aLine1, 0, 0);
  aLay->addWidget(aLabel, 0, 1);
  aLay->addWidget(aLine2, 0, 2);
  aLay->addMultiCellWidget(myWgStack, 1, 1, 0, 2);

  return aFrame;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetTableGrp
// Purpose : Get group box containing table. May be used for adding new widgets in it
//=======================================================================
QGroupBox* SMESHGUI_FilterTable::GetTableGrp()
{
  return myTableGrp;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onEntityType
// Purpose : SLOT. Called when entity type changed.
//           Display corresponding table
//=======================================================================
void SMESHGUI_FilterTable::onEntityType (int theType)
{
  if (myEntityType == theType)
    return;

  myIsValid = true;
  emit NeedValidation();
  if (!myIsValid)
  {
    myEntityTypeGrp->setButton(myEntityType);
    return;
  }

  myEntityType = theType;

  if (!myTables.contains(theType))
    myTables[ theType ] = createTable(mySwitchTableGrp, theType);

  TableMap::iterator anIter;
  for (anIter = myTables.begin(); anIter != myTables.end(); ++anIter)
    myEntityType == anIter.key() ? anIter.data()->show() : anIter.data()->hide();

  updateBtnState();
  qApp->processEvents();
  myTables[ myEntityType ]->updateGeometry();
  adjustSize();

  emit EntityTypeChanged(theType);

}

//=======================================================================
// name    : SMESHGUI_FilterTable::IsValid
// Purpose : Verify validity of entered data
//=======================================================================
bool SMESHGUI_FilterTable::IsValid (const bool theMess, const int theEntityType) const
{
  int aType = theEntityType == -1 ? GetType() : theEntityType;

  Table* aTable = myTables[ aType ];
  for (int i = 0, n = aTable->numRows(); i < n; i++)
  {
    int aCriterion = GetCriterionType(i, aType);

    if (aCriterion == FT_RangeOfIds ||
         aCriterion == FT_BelongToGeom ||
         aCriterion == FT_BelongToPlane ||
         aCriterion == FT_BelongToCylinder ||
         aCriterion == FT_BelongToGenSurface ||
         aCriterion == FT_LyingOnGeom) {
      if (aTable->text(i, 2).isEmpty()) {
        if (theMess)
          QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                   tr("ERROR"), QMessageBox::Ok);
        return false;
      }
    } else {
      bool aRes = false;
      aTable->blockSignals(true);
      double  aThreshold = (int)aTable->text(i, 2).toDouble(&aRes);
      aTable->blockSignals(false);

      if (!aRes && aTable->IsEditable(i, 2)) {
        if (theMess)
          QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                   tr("ERROR"), QMessageBox::Ok);
        return false;
      }
      else if (aType == SMESH::EDGE &&
                GetCriterionType(i, aType) == SMESH::FT_MultiConnection &&
                aThreshold == 1)
      {
        if (theMess)
          QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                   tr("MULTIEDGES_ERROR"), QMessageBox::Ok);
        return false;
      }
    }

    QTableItem* anItem = aTable->item(i, 0);
    if (myAddWidgets.contains(anItem) && !myAddWidgets[ anItem ]->IsValid())
      return false;
  }

  return true;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetValidity
// Purpose : Set validity of the table
//=======================================================================
void SMESHGUI_FilterTable::SetValidity (const bool isValid)
{
  myIsValid = isValid;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetType
// Purpose : Get current entity type
//=======================================================================
int SMESHGUI_FilterTable::GetType() const
{
  return myEntityType;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetType
// Purpose : Set current entity type
//=======================================================================
void SMESHGUI_FilterTable::SetType (const int type)
{
  myEntityTypeGrp->setButton(type);
  onEntityType(type);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::RestorePreviousEntityType
// Purpose : Restore previous entity type
//=======================================================================
void SMESHGUI_FilterTable::RestorePreviousEntityType()
{
  SetType(myEntityType);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetCriterionType
// Purpose : Get type of criterion from specified row (corresponding enums in h-file)
//=======================================================================
int SMESHGUI_FilterTable::GetCriterionType (const int theRow, const int theType) const
{
  int aType = theType == -1 ? GetType() : theType;
  Table* aTable = myTables[ aType ];
  ComboItem* anItem = (ComboItem*)aTable->item(theRow, 0);
  return anItem != 0 ? anItem->GetValue() : FT_Undefined;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetCriterion
// Purpose : Get parameters of criterion from specified row
//=======================================================================
void SMESHGUI_FilterTable::GetCriterion (const int                 theRow,
                                         SMESH::Filter::Criterion& theCriterion,
                                         const int                 theEntityType) const
{
  int aType = theEntityType == -1 ? GetType() : theEntityType;
  Table* aTable = myTables[ aType ];

  theCriterion.Type = ((ComboItem*)aTable->item(theRow, 0))->GetValue();
  theCriterion.UnaryOp = ((QCheckTableItem*)aTable->item(theRow, 3))->isChecked() ? FT_LogicalNOT : FT_Undefined;
  theCriterion.BinaryOp = theRow != aTable->numRows() - 1 ?
    ((ComboItem*)aTable->item(theRow, 4))->GetValue() : FT_Undefined;
  theCriterion.TypeOfElement = (ElementType)aType;

  int aCriterionType = GetCriterionType(theRow, aType);

  if (aCriterionType != FT_RangeOfIds &&
       aCriterionType != FT_BelongToGeom &&
       aCriterionType != FT_BelongToPlane &&
       aCriterionType != FT_BelongToCylinder &&
       aCriterionType != FT_BelongToGenSurface &&
       aCriterionType != FT_LyingOnGeom)
  {
    theCriterion.Compare = ((ComboItem*)aTable->item(theRow, 1))->GetValue();
    theCriterion.Threshold = aTable->item(theRow, 2)->text().toDouble();
  }
  else
    {
      theCriterion.ThresholdStr = aTable->text(theRow, 2).latin1();
      if ( aCriterionType != FT_RangeOfIds )
	theCriterion.ThresholdID = aTable->text( theRow, 5 ).latin1();
    }

  QTableItem* anItem = aTable->item(theRow, 0);
  if (myAddWidgets.contains(anItem))
    theCriterion.Tolerance = myAddWidgets[ anItem ]->GetDouble(AdditionalWidget::Tolerance);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetCriterion
// Purpose : Set parameters of criterion of specified row
//=======================================================================
void SMESHGUI_FilterTable::SetCriterion (const int                       theRow,
                                         const SMESH::Filter::Criterion& theCriterion,
                                         const int                       theEntityType)
{
  int aType = theEntityType == -1 ? GetType() : theEntityType;

  Table* aTable = myTables[ aType ];

  if (theRow > aTable->numRows() - 1)
    return;

  ((ComboItem*)aTable->item(theRow, 0))->SetValue(theCriterion.Type);
  onCriterionChanged(theRow, 0, aType);
  ((ComboItem*)aTable->item(theRow, 1))->SetValue(theCriterion.Compare);
  ((QCheckTableItem*)aTable->item(theRow, 3))->setChecked(theCriterion.UnaryOp == FT_LogicalNOT);

  if (theCriterion.BinaryOp != FT_Undefined)
  {
    if (!aTable->IsEditable(theRow, 4))
      aTable->setItem(theRow, 4, getBinaryItem(aTable));
    ((ComboItem*)aTable->item(theRow, 4))->SetValue(theCriterion.BinaryOp);
  }
  else
    aTable->SetEditable(false, theRow, 4);

  if (theCriterion.Type != FT_RangeOfIds &&
      theCriterion.Type != FT_BelongToGeom &&
      theCriterion.Type != FT_BelongToPlane &&
      theCriterion.Type != FT_BelongToCylinder &&
      theCriterion.Type != FT_BelongToGenSurface &&
      theCriterion.Type != FT_LyingOnGeom &&
      theCriterion.Type != FT_FreeBorders &&
      theCriterion.Type != FT_FreeEdges &&
      theCriterion.Type != FT_BadOrientedVolume)
    aTable->setText(theRow, 2, QString("%1").arg(theCriterion.Threshold, 0, 'g', 15));
  else
    {
      aTable->setText(theRow, 2, QString(theCriterion.ThresholdStr));
      if ( theCriterion.Type != FT_RangeOfIds )
	aTable->setText( theRow, 5, QString( theCriterion.ThresholdID ) );
    }

  if (theCriterion.Compare == FT_EqualTo ||
       theCriterion.Type    == FT_BelongToPlane ||
       theCriterion.Type    == FT_BelongToCylinder ||
       theCriterion.Type    == FT_BelongToGenSurface)
  {
    QTableItem* anItem = aTable->item(theRow, 0);
    if (!myAddWidgets.contains(anItem))
    {
      myAddWidgets[ anItem ] = new AdditionalWidget(myWgStack);
      myWgStack->addWidget(myAddWidgets[ anItem ]);
    }
    myAddWidgets[ anItem ]->SetDouble(AdditionalWidget::Tolerance, theCriterion.Tolerance);
  }

  emit CriterionChanged(theRow, aType);

}

//=======================================================================
// name    : SMESHGUI_FilterTable::Update
// Purpose : Update table
//=======================================================================
void SMESHGUI_FilterTable::Update()
{
  Table* aTable = myTables[ GetType() ];
  int aCurrRow = aTable->currentRow();
  int numRows = aTable->numRows();
  if ((aCurrRow < 0 || aCurrRow >= numRows) && numRows > 0)
    aTable->setCurrentCell(0, 0);
  updateAdditionalWidget();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::AddCriterion
// Purpose : Add criterion with parameters
//=======================================================================
void SMESHGUI_FilterTable::AddCriterion (const SMESH::Filter::Criterion& theCriterion,
                                         const int                       theEntityType)
{
  int aType = theEntityType == -1 ? GetType() : theEntityType;
  Table* aTable = myTables[ aType ];
  addRow(aTable, aType);
  SetCriterion(aTable->numRows() - 1, theCriterion);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::NumRows
// Purpose : Get number of criterions of current type
//=======================================================================
int SMESHGUI_FilterTable::NumRows (const int theEntityType) const
{
  return myTables[ theEntityType == -1 ? GetType() : theEntityType ]->numRows();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Clear
// Purpose : Clear current table
//=======================================================================
void SMESHGUI_FilterTable::Clear (const int theType)
{
  int aType = theType == -1 ? GetType() : theType;
  QTable* aTable = myTables[ aType ];

  if (aTable->numRows() == 0)
    return;

  while (aTable->numRows() > 0)
  {
    removeAdditionalWidget(aTable, 0);
    aTable->removeRow(0);
  }

  updateBtnState();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onAddBtn
// Purpose : SLOT. Called then "Add" button pressed.
//           Adds new string to table
//=======================================================================
void SMESHGUI_FilterTable::onAddBtn()
{
  int aType = GetType();
  addRow(myTables[ aType ], aType);

  Update();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onInsertBtn
// Purpose : SLOT. Called then "Insert" button pressed.
//           Inserts new string before current one
//=======================================================================
void SMESHGUI_FilterTable::onInsertBtn()
{
  addRow(myTables[ GetType() ], GetType(), false);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onRemoveBtn
// Purpose : SLOT. Called then "Remove" button pressed.
//           Removes current string from table
//=======================================================================
void SMESHGUI_FilterTable::onRemoveBtn()
{
  Table* aTable = myTables[ GetType() ];

  if (aTable->numRows() == 0)
    return;

  QMemArray<int> aRows;
  for (int i = 0, n = aTable->numRows(); i < n; i++)
  {
    if (aTable->isRowSelected(i))
    {
      aRows.resize(aRows.size() + 1);
      aRows[ (int)(aRows.size() - 1) ] = i;
      removeAdditionalWidget(aTable, i);
    }
  }

  aTable->removeRows(aRows);

  // remove control of binary logical operation from last row
  if (aTable->numRows() > 0)
    aTable->SetEditable(false, aTable->numRows() - 1, 4);

  updateBtnState();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::updateAdditionalWidget
// Purpose : Enable/Disable widget with additonal parameters
//=======================================================================
void SMESHGUI_FilterTable::updateAdditionalWidget()
{
  Table* aTable = myTables[ GetType() ];
  int aRow = aTable->currentRow();
  if (aRow < 0 || aRow >= aTable->numRows())
  {
    myWgStack->setEnabled(false);
    return;
  }

  ComboItem* anItem = ((ComboItem*)aTable->item(aRow, 0));
  bool toEnable = ((ComboItem*)aTable->item(aRow, 1))->GetValue() == FT_EqualTo &&
                  GetCriterionType(aRow) != FT_BelongToGeom &&
                  GetCriterionType(aRow) != FT_LyingOnGeom &&
                  GetCriterionType(aRow) != FT_RangeOfIds &&
                  GetCriterionType(aRow) != FT_FreeEdges &&
                  GetCriterionType(aRow) != FT_BadOrientedVolume;
  if (!myAddWidgets.contains(anItem))
  {
    myAddWidgets[ anItem ] = new AdditionalWidget(myWgStack);
    myWgStack->addWidget(myAddWidgets[ anItem ]);
  }

  myWgStack->raiseWidget(myWgStack->id(myAddWidgets[ anItem ]));
  myWgStack->setEnabled(toEnable);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::removeAdditionalWidget
// Purpose : Remove widgets containing additional parameters from widget
//           stack and internal map
//=======================================================================
void SMESHGUI_FilterTable::removeAdditionalWidget (QTable* theTable, const int theRow)
{
  QTableItem* anItem = theTable->item(theRow, 0);
  if (myAddWidgets.contains(anItem))
  {
    myWgStack->removeWidget(myAddWidgets[ anItem ]);
    myAddWidgets[ anItem ]->reparent(0, QPoint());
    delete myAddWidgets[ anItem ];
    myAddWidgets.remove(anItem);
  }
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onClearBtn
// Purpose : SLOT. Called then "Clear" button pressed.
//           Removes all strings from table
//=======================================================================
void SMESHGUI_FilterTable::onClearBtn()
{
  QTable* aTable = myTables[ GetType() ];

  if (aTable->numRows() == 0)
    return;

  while (aTable->numRows() > 0)
  {
    removeAdditionalWidget(aTable, 0);
    aTable->removeRow(0);
  }

  updateBtnState();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onCurrentChanged()
// Purpose : SLOT. Called when current cell changed
//=======================================================================
void SMESHGUI_FilterTable::onCurrentChanged (int theRow, int theCol)
{
  if( !myIsLocked )
    updateAdditionalWidget();
  emit CurrentChanged(theRow, theCol);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onCriterionChanged()
// Purpose : Provides reaction on change of criterion
//=======================================================================
void SMESHGUI_FilterTable::onCriterionChanged (const int row, const int col, const int entityType)
{
  int aType = entityType == -1 ? GetType() : entityType;
  Table* aTable = myTables[ aType ];
  ComboItem* aCompareItem = (ComboItem*)aTable->item(row, 1);

  int aCriterionType = GetCriterionType(row);

  if (aType == SMESH::EDGE && aCriterionType == SMESH::FT_FreeBorders ||
       aType == SMESH::FACE && aCriterionType == SMESH::FT_FreeEdges ||
       aType == SMESH::VOLUME && aCriterionType == SMESH::FT_BadOrientedVolume)
  {
    if (aCompareItem->count() > 0)
      aCompareItem->setStringList(QStringList());
    aTable->SetEditable(false, row, 2);
  }
  else if (aCriterionType == SMESH::FT_RangeOfIds ||
           aCriterionType == SMESH::FT_BelongToGeom ||
           aCriterionType == SMESH::FT_BelongToPlane ||
           aCriterionType == SMESH::FT_BelongToCylinder ||
           aCriterionType == SMESH::FT_BelongToGenSurface ||
           aCriterionType == SMESH::FT_LyingOnGeom)
  {
    QMap<int, QString> aMap;
    aMap[ FT_EqualTo ] = tr("EQUAL_TO");
    aCompareItem->setStringList(aMap);
    if (!aTable->IsEditable(row, 2))
      aTable->SetEditable(true, row, 2);
  }
  else
  {
    if (aCompareItem->count() != 3)
    {
      aCompareItem->setStringList(QStringList());
      aCompareItem->setStringList(getCompare());
    }

    QString aText = aTable->text(row, 2);
    bool isOk = false;
    aText.toDouble(&isOk);
    aTable->setText(row, 2, isOk ? aText : QString(""));
    if (!aTable->IsEditable(row, 2))
      aTable->SetEditable(true, row, 2);
  }

  updateAdditionalWidget();

  emit CriterionChanged(row, entityType);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onCriterionChanged()
// Purpose : SLOT. Called then contents of table changed
//           Provides reaction on change of criterion
//=======================================================================
void SMESHGUI_FilterTable::onCriterionChanged (int row, int col)
{
  onCriterionChanged(row, col, -1);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getFirstSelectedRow
// Purpose : Get first selected row
//=======================================================================
int SMESHGUI_FilterTable::getFirstSelectedRow() const
{
  QTable* aTable = myTables[ GetType() ];
  for (int i = 0, n = aTable->numRows(); i < n; i++)
    if (aTable->isRowSelected(i))
      return i;

  int aRow = aTable->currentRow();
  return aRow >= 0 && aRow < aTable->numRows() ? aRow : -1;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::addRow
// Purpose : Add row at the end of table
//=======================================================================
void SMESHGUI_FilterTable::addRow (Table* theTable, const int theType, const bool toTheEnd)
{
  int aCurrRow = 0;
  int aSelectedRow = getFirstSelectedRow();
  int aCurrCol = theTable->currentColumn();

  myIsLocked = true;
  if (toTheEnd || aSelectedRow == -1)
  {
    theTable->insertRows(theTable->numRows());
    aCurrRow = theTable->numRows() - 1;
  }
  else
  {
    theTable->insertRows(aSelectedRow);
    aCurrRow = aSelectedRow;
  }
  myIsLocked = false;

  // Criteria
  theTable->setItem(aCurrRow, 0, getCriterionItem(theTable, theType));

  // Compare
  theTable->setItem(aCurrRow, 1, getCompareItem(theTable));

  // Threshold
  //theTable->setItem(aCurrRow, 2, new QTableItem(theTable));

  //Logical operation NOT
  theTable->setItem(aCurrRow, 3, getUnaryItem(theTable));

  // Logical binary operation for previous value
  int anAddBinOpStr = -1;
  if (aCurrRow == theTable->numRows() - 1)
    anAddBinOpStr = aCurrRow - 1;
  else if (aCurrRow >= 0 )
    anAddBinOpStr = aCurrRow;

  if (theTable->item(aCurrRow, 4) == 0 ||
       theTable->item(aCurrRow, 4)->rtti() != 1)
  {


    if (anAddBinOpStr >= 0 &&
         (theTable->item(anAddBinOpStr, 4) == 0 ||
           theTable->item(anAddBinOpStr, 4)->rtti() != 1))
      theTable->setItem(anAddBinOpStr, 4, getBinaryItem(theTable));
  }

  theTable->SetEditable(false, theTable->numRows() - 1, 4);

  if (aCurrRow >=0 && aCurrRow < theTable->numRows() &&
       aCurrCol >=0 && aCurrCol < theTable->numRows())
  theTable->setCurrentCell(aCurrRow, aCurrCol);

  onCriterionChanged(aCurrRow, 0);

  updateBtnState();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getCriterionItem
// Purpose : Get combo table item for criteria of specified type
//=======================================================================
QTableItem* SMESHGUI_FilterTable::getCriterionItem (QTable* theParent , const int theType)
{
  return new ComboItem(theParent, getCriteria(theType));
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getCompareItem
// Purpose : Get combo table item for operation of comparision
//=======================================================================
QTableItem* SMESHGUI_FilterTable::getCompareItem (QTable* theParent)
{
  return new ComboItem(theParent, getCompare());
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getBinaryItem
// Purpose :
//=======================================================================
QTableItem* SMESHGUI_FilterTable::getBinaryItem (QTable* theParent)
{
  static QMap<int, QString> aMap;
  if (aMap.isEmpty())
  {
    aMap[ SMESH::FT_LogicalAND ] = tr("AND");
    aMap[ SMESH::FT_LogicalOR  ] = tr("OR");
  }

  return new ComboItem(theParent, aMap);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getUnaryItem
// Purpose : Get check table item
//=======================================================================
QTableItem* SMESHGUI_FilterTable::getUnaryItem (QTable* theParent)
{
  return new QCheckTableItem(theParent, tr("NOT"));
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getSupportedTypes
// Purpose : Get all supported type
//=======================================================================
const QMap<int, QString>& SMESHGUI_FilterTable::getSupportedTypes() const
{
  static QMap<int, QString> aTypes;
  if (aTypes.isEmpty())
  {
    aTypes[ SMESH::NODE   ] = tr("NODES");
    aTypes[ SMESH::EDGE   ] = tr("EDGES");
    aTypes[ SMESH::FACE   ] = tr("FACES");
    aTypes[ SMESH::VOLUME ] = tr("VOLUMES");
  }

  return aTypes;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::getCriteria
// Purpose : Get criteria for specified type
//=======================================================================
const QMap<int, QString>& SMESHGUI_FilterTable::getCriteria (const int theType) const
{
  if (theType == SMESH::NODE)
  {
    static QMap<int, QString> aCriteria;
    if (aCriteria.isEmpty())
    {
      aCriteria[ SMESH::FT_RangeOfIds       ] = tr("RANGE_OF_IDS");
      aCriteria[ SMESH::FT_BelongToGeom     ] = tr("BELONG_TO_GEOM");
      aCriteria[ SMESH::FT_BelongToPlane    ] = tr("BELONG_TO_PLANE");
      aCriteria[ SMESH::FT_BelongToCylinder ] = tr("BELONG_TO_CYLINDER");
      aCriteria[ SMESH::FT_BelongToGenSurface]= tr("BELONG_TO_GENSURFACE");
      aCriteria[ SMESH::FT_LyingOnGeom      ] = tr("LYING_ON_GEOM");
    }
    return aCriteria;
  }
  else if (theType == SMESH::EDGE)
  {
    static QMap<int, QString> aCriteria;
    if (aCriteria.isEmpty())
    {
      aCriteria[ SMESH::FT_FreeBorders      ] = tr("FREE_BORDERS");
      aCriteria[ SMESH::FT_MultiConnection  ] = tr("MULTI_BORDERS");
      aCriteria[ SMESH::FT_Length           ] = tr("LENGTH");
      aCriteria[ SMESH::FT_RangeOfIds       ] = tr("RANGE_OF_IDS");
      aCriteria[ SMESH::FT_BelongToGeom     ] = tr("BELONG_TO_GEOM");
      aCriteria[ SMESH::FT_BelongToPlane    ] = tr("BELONG_TO_PLANE");
      aCriteria[ SMESH::FT_BelongToCylinder ] = tr("BELONG_TO_CYLINDER");
      aCriteria[ SMESH::FT_BelongToGenSurface]= tr("BELONG_TO_GENSURFACE");
      aCriteria[ SMESH::FT_LyingOnGeom      ] = tr("LYING_ON_GEOM");
    }
    return aCriteria;
  }
  else if (theType == SMESH::FACE)
  {
    static QMap<int, QString> aCriteria;
    if (aCriteria.isEmpty())
    {
      aCriteria[ SMESH::FT_AspectRatio      ] = tr("ASPECT_RATIO");
      aCriteria[ SMESH::FT_Warping          ] = tr("WARPING");
      aCriteria[ SMESH::FT_MinimumAngle     ] = tr("MINIMUM_ANGLE");
      aCriteria[ SMESH::FT_Taper            ] = tr("TAPER");
      aCriteria[ SMESH::FT_Skew             ] = tr("SKEW");
      aCriteria[ SMESH::FT_Area             ] = tr("AREA");
      aCriteria[ SMESH::FT_FreeEdges        ] = tr("FREE_EDGES");
      aCriteria[ SMESH::FT_RangeOfIds       ] = tr("RANGE_OF_IDS");
      aCriteria[ SMESH::FT_BelongToGeom     ] = tr("BELONG_TO_GEOM");
      aCriteria[ SMESH::FT_BelongToPlane    ] = tr("BELONG_TO_PLANE");
      aCriteria[ SMESH::FT_BelongToCylinder ] = tr("BELONG_TO_CYLINDER");
      aCriteria[ SMESH::FT_BelongToGenSurface]= tr("BELONG_TO_GENSURFACE");
      aCriteria[ SMESH::FT_LyingOnGeom      ] = tr("LYING_ON_GEOM");
      aCriteria[ SMESH::FT_Length2D         ] = tr("LENGTH2D");
      aCriteria[ SMESH::FT_MultiConnection2D] = tr("MULTI2D_BORDERS");
    }
    return aCriteria;
  }
  else if (theType == SMESH::VOLUME)
  {
    static QMap<int, QString> aCriteria;
    if (aCriteria.isEmpty())
    {
      aCriteria[ SMESH::FT_AspectRatio3D] = tr("ASPECT_RATIO_3D");
      aCriteria[ SMESH::FT_RangeOfIds   ] = tr("RANGE_OF_IDS");
      aCriteria[ SMESH::FT_BelongToGeom ] = tr("BELONG_TO_GEOM");
      aCriteria[ SMESH::FT_LyingOnGeom ] = tr("LYING_ON_GEOM");
      aCriteria[ SMESH::FT_BadOrientedVolume ] = tr("BAD_ORIENTED_VOLUME");
      aCriteria[ SMESH::FT_Volume3D ] = tr("VOLUME_3D");
    }
    return aCriteria;
  }
  else
  {
    static QMap<int, QString> aCriteria;
    return aCriteria;
  }
}


//=======================================================================
// name    : SMESHGUI_FilterTable::getCompare
// Purpose : Get operation of comparison
//=======================================================================
const QMap<int, QString>& SMESHGUI_FilterTable::getCompare() const
{
  static QMap<int, QString> aMap;

  if (aMap.isEmpty())
  {
    aMap[ SMESH::FT_LessThan ] = tr("LESS_THAN");
    aMap[ SMESH::FT_MoreThan ] = tr("MORE_THAN");
    aMap[ SMESH::FT_EqualTo  ] = tr("EQUAL_TO" );
  }

  return aMap;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::createTable
// Purpose : Create table
//=======================================================================
SMESHGUI_FilterTable::Table* SMESHGUI_FilterTable::createTable (QWidget*  theParent,
                                                                const int theType)
{
  // create table
  Table* aTable= new Table(0, 6, theParent);

  QHeader* aHeaders = aTable->horizontalHeader();

  QFontMetrics aMetrics(aHeaders->font());

  // append spaces to the header of criteria in order to
  // provide visibility of criterion inside comboboxes
  static int aMaxLenCr = 0;

  if (aMaxLenCr == 0)
  {
    const QMap<int, QString>& aSupportedTypes = getSupportedTypes();
    QMap<int, QString>::const_iterator anIter;
    for (anIter = aSupportedTypes.begin(); anIter != aSupportedTypes.end(); ++anIter)
      aMaxLenCr = Max(maxLength(getCriteria(anIter.key()), aMetrics), aMaxLenCr);
  }

  static int aLenCr = abs( aMaxLenCr -
                            aMetrics.width(tr("CRITERION"))) / aMetrics.width(' ') + 5;

  QString aCrStr;
  aCrStr.fill(' ', aLenCr);
  QString aCoStr;
  aCoStr.fill(' ', 10);

  aHeaders->setLabel(0, tr("CRITERION") + aCrStr);
  aHeaders->setLabel(1, tr("COMPARE") + aCoStr);
  aHeaders->setLabel(2, tr("THRESHOLD_VALUE"));
  aHeaders->setLabel(3, tr("UNARY"));
  aHeaders->setLabel(4, tr("BINARY") + "  ");
  aHeaders->setLabel( 5, tr( "ID" ) );

  // set geometry of the table
  for (int i = 0; i <= 4; i++)
    aTable->adjustColumn(i);

  // set the ID column invisible
  aTable->hideColumn( 5 );

  aTable->updateGeometry();
  QSize aSize = aTable->sizeHint();
  int aWidth = aSize.width();
  aTable->setMinimumSize(QSize(aWidth, aWidth / 2));
  aTable->setSizePolicy(QSizePolicy(QSizePolicy::MinimumExpanding, QSizePolicy::MinimumExpanding));

  connect(aTable, SIGNAL(valueChanged(int, int)),
           this,   SLOT(onCriterionChanged(int, int)));

  connect(aTable, SIGNAL(currentChanged(int, int)),
           this,   SLOT(onCurrentChanged(int, int)));

  return aTable;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::updateBtnState
// Purpose : Update button state
//=======================================================================
void SMESHGUI_FilterTable::updateBtnState()
{
  myRemoveBtn->setEnabled(myTables[ GetType() ]->numRows() > 0);
  myClearBtn->setEnabled(myTables[ GetType() ]->numRows() > 0);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetEditable
// Purpose : Set read only flag for tables. Show/hide buttons for work with rows
//=======================================================================
void SMESHGUI_FilterTable::SetEditable (const bool isEditable)
{
  TableMap::iterator anIter;
  for (anIter = myTables.begin(); anIter != myTables.end(); ++anIter)
  {
    anIter.data()->setReadOnly(!isEditable);

    if (isEditable)
    {
      myAddBtn->show();
      myInsertBtn->show();
      myRemoveBtn->show();
      myClearBtn->show();
    }
    else
    {
      myAddBtn->hide();
      myInsertBtn->hide();
      myRemoveBtn->hide();
      myClearBtn->hide();
    }
  }

  QMap<QTableItem*, AdditionalWidget*>::iterator anIter2;
  for (anIter2 = myAddWidgets.begin(); anIter2 != myAddWidgets.end(); ++anIter2)
    anIter2.data()->SetEditable(isEditable);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetEnabled
// Purpose : Enable/Disable table. Switching type of elements already enabled
//=======================================================================
void SMESHGUI_FilterTable::SetEnabled (const bool isEnabled)
{
  myAddBtn->setEnabled(isEnabled);
  myInsertBtn->setEnabled(isEnabled);
  myRemoveBtn->setEnabled(isEnabled);
  myClearBtn->setEnabled(isEnabled);

  if (isEnabled)
    updateBtnState();

  QMap<QTableItem*, AdditionalWidget*>::iterator anIter2;
  for (anIter2 = myAddWidgets.begin(); anIter2 != myAddWidgets.end(); ++anIter2)
    anIter2.data()->setEnabled(isEnabled);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::IsEditable
// Purpose : Verify whether table is editable
//=======================================================================
bool SMESHGUI_FilterTable::IsEditable() const
{
  return !myTables[ GetType() ]->isReadOnly();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetLibsEnabled
// Purpose : Show/hide buttons for work with libraries
//=======================================================================
void SMESHGUI_FilterTable::SetLibsEnabled (const bool isEnabled)
{
  if (isEnabled)
  {
    myCopyFromBtn->show();
    myAddToBtn->show();
  }
  else
  {
    myCopyFromBtn->hide();
    myAddToBtn->hide();
  }
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onCopyFromBtn
// Purpose : SLOT. Called the "Copy from ..." button clicked
//           Display filter library dialog
//=======================================================================
void SMESHGUI_FilterTable::onCopyFromBtn()
{
  if (myLibDlg == 0)
    myLibDlg = new SMESHGUI_FilterLibraryDlg(
      mySMESHGUI, this, GetType(), SMESHGUI_FilterLibraryDlg::COPY_FROM);
  else
    myLibDlg->Init(GetType(), SMESHGUI_FilterLibraryDlg::COPY_FROM);

  if (myLibDlg->exec() == QDialog::Accepted)
  {
    Copy(myLibDlg->GetTable());
    Update();
  }
}

//=======================================================================
// name    : SMESHGUI_FilterTable::onAddToBtn
// Purpose : SLOT. Called the "Add to ..." button clicked
//           Display filter library dialog
//=======================================================================
void SMESHGUI_FilterTable::onAddToBtn()
{
  if (!IsValid(true))
    return;
  if (myLibDlg == 0)
    myLibDlg = new SMESHGUI_FilterLibraryDlg(
      mySMESHGUI, this, GetType(), SMESHGUI_FilterLibraryDlg::ADD_TO);
  else
    myLibDlg->Init(GetType(), SMESHGUI_FilterLibraryDlg::ADD_TO);

  myLibDlg->SetTable(this);

  myLibDlg->exec();
}

//=======================================================================
// name    : SMESHGUI_FilterTable::Copy
// Purpose : Initialise table with values of other table
//=======================================================================
void SMESHGUI_FilterTable::Copy (const SMESHGUI_FilterTable* theTable)
{
  Clear();

  for (int i = 0, n = theTable->NumRows(); i < n; i++)
  {
    SMESH::Filter::Criterion aCriterion = SMESHGUI_FilterDlg::createCriterion();
    theTable->GetCriterion(i, aCriterion);
    AddCriterion(aCriterion);
  }
}

//=======================================================================
// name    : SMESHGUI_FilterTable::CurrentCell
// Purpose : Returns current cell
//=======================================================================
bool SMESHGUI_FilterTable::CurrentCell (int& theRow, int& theCol) const
{
  theRow = myTables[ GetType() ]->currentRow();
  theCol = myTables[ GetType() ]->currentColumn();
  return theRow >= 0 && theCol >= 0;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetText
// Purpose : Set text and internal value in cell of threshold value
//=======================================================================
void SMESHGUI_FilterTable::SetThreshold (const int      theRow,
                                         const QString& theText,
                                         const int      theEntityType)
{
  Table* aTable = myTables[ theEntityType == -1 ? GetType() : theEntityType ];
  aTable->setText(theRow, 2, theText);
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetText
// Purpose : Get text and internal value from cell of threshold value
//=======================================================================
bool SMESHGUI_FilterTable::GetThreshold (const int      theRow,
                                         QString&       theText,
                                         const int      theEntityType)
{
  Table* aTable = myTables[ theEntityType == -1 ? GetType() : theEntityType ];
  QTableItem* anItem = aTable->item(theRow, 2);
  if (anItem != 0)
  {
    theText = anItem->text();
    return true;
  }
  else
   return false;
}

//=======================================================================
// name    : SMESHGUI_FilterTable::SetID
// Purpose : Set text and internal value in cell of ID value 
//=======================================================================
void SMESHGUI_FilterTable::SetID( const int      theRow,
                                         const QString& theText,
                                         const int      theEntityType )
{
  Table* aTable = myTables[ theEntityType == -1 ? GetType() : theEntityType ];
  aTable->setText( theRow, 5, theText );
}

//=======================================================================
// name    : SMESHGUI_FilterTable::GetID
// Purpose : Get text and internal value from cell of ID value
//=======================================================================
bool SMESHGUI_FilterTable::GetID( const int      theRow,
				  QString&       theText,
				  const int      theEntityType )
{
  Table* aTable = myTables[ theEntityType == -1 ? GetType() : theEntityType ];
  QTableItem* anItem = aTable->item( theRow, 5 );
  if ( anItem != 0 )
    {
      theText = anItem->text();
      return true;    
    }
  else
    return false;
} 

/*
  Class       : SMESHGUI_FilterDlg
  Description : Dialog to specify filters for VTK viewer
*/


//=======================================================================
// name    : SMESHGUI_FilterDlg::SMESHGUI_FilterDlg
// Purpose : Constructor
//=======================================================================
SMESHGUI_FilterDlg::SMESHGUI_FilterDlg( SMESHGUI*              theModule,
                                        const QValueList<int>& theTypes,
                                        const char*            theName)
: QDialog( SMESH::GetDesktop( theModule ), theName, false,
           WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) )
{
  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
    mySelector = aViewWindow->GetSelector();

  construct(theTypes);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::SMESHGUI_FilterDlg
// Purpose : Constructor
//=======================================================================
SMESHGUI_FilterDlg::SMESHGUI_FilterDlg( SMESHGUI*   theModule,
                                        const int   theType,
                                        const char* theName)
: QDialog( SMESH::GetDesktop( theModule ), theName, false,
           WStyle_Customize | WStyle_NormalBorder | WStyle_Title | WStyle_SysMenu),
     mySMESHGUI( theModule ),
     mySelectionMgr( SMESH::GetSelectionMgr( theModule ) )
{
  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
    mySelector = aViewWindow->GetSelector();
  QValueList<int> aTypes;
  aTypes.append(theType);
  construct(aTypes);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::construct
// Purpose : Construct dialog (called by constructor)
//=======================================================================
void SMESHGUI_FilterDlg::construct (const QValueList<int>& theTypes)
{
  myTypes = theTypes;

  setCaption(tr("CAPTION"));

  QVBoxLayout* aDlgLay = new QVBoxLayout (this, MARGIN, SPACING);

  myMainFrame        = createMainFrame  (this);
  QFrame* aBtnFrame  = createButtonFrame(this);

  aDlgLay->addWidget(myMainFrame);
  aDlgLay->addWidget(aBtnFrame);

  aDlgLay->setStretchFactor(myMainFrame, 1);

  myHelpFileName = "selection_filter_library_page.html";

  Init(myTypes);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::createMainFrame
// Purpose : Create frame containing dialog's input fields
//=======================================================================
QFrame* SMESHGUI_FilterDlg::createMainFrame (QWidget* theParent)
{
  QGroupBox* aMainFrame = new QGroupBox(1, Qt::Horizontal, theParent);
  aMainFrame->setFrameStyle(QFrame::NoFrame);
  aMainFrame->setInsideMargin(0);

  // filter frame

  myTable = new SMESHGUI_FilterTable( mySMESHGUI, aMainFrame, myTypes );
  myTable->SetLibsEnabled(true);

  QFrame* aLine = new QFrame(myTable->GetTableGrp());
  aLine->setFrameStyle(QFrame::HLine | QFrame::Sunken);

  mySetInViewer = new QCheckBox(tr("SET_IN_VIEWER"), myTable->GetTableGrp());
  mySetInViewer->setChecked(true);

  // other controls
  mySourceGrp = createSourceGroup(aMainFrame);

  connect(myTable, SIGNAL(CriterionChanged(const int, const int)),
                    SLOT(onCriterionChanged(const int, const int)));

  connect(myTable, SIGNAL(CurrentChanged(int, int)),
                    SLOT(onCurrentChanged(int, int)));

  return aMainFrame;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::createSourceFrame
// Purpose : Create frame containing source radio button
//=======================================================================
QButtonGroup* SMESHGUI_FilterDlg::createSourceGroup (QWidget* theParent)
{
  QButtonGroup* aGrp = new QButtonGroup(1, Qt::Vertical, tr("SOURCE"), theParent);

  QRadioButton* aMeshBtn = new QRadioButton(tr("MESH"), aGrp);
  QRadioButton* aSelBtn  = new QRadioButton(tr("SELECTION"), aGrp);
  QRadioButton* aGrpBtn  = new QRadioButton(tr("CURRENT_GROUP"), aGrp);

  aGrp->insert(aMeshBtn, Mesh);
  aGrp->insert(aSelBtn, Selection);
  aGrp->insert(aGrpBtn, Dialog);

  aGrp->setButton(Selection);

  return aGrp;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::updateMainButtons
// Purpose : Update visibility of main buttons (OK, Cancel, Close ...)
//=======================================================================
void SMESHGUI_FilterDlg::updateMainButtons()
{
  if (myTypes.count() == 1)
  {
    myButtons[ BTN_Cancel ]->show();
    myButtons[ BTN_Apply  ]->hide();
    myButtons[ BTN_Close  ]->hide();
  }
  else
  {
    myButtons[ BTN_Cancel ]->hide();
    myButtons[ BTN_Apply  ]->show();
    myButtons[ BTN_Close  ]->show();
  }

//  updateGeometry();
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::createButtonFrame
// Purpose : Create frame containing buttons
//=======================================================================
QFrame* SMESHGUI_FilterDlg::createButtonFrame (QWidget* theParent)
{
  QGroupBox* aGrp = new QGroupBox(1, Qt::Vertical, theParent);

  myButtons[ BTN_OK    ] = new QPushButton(tr("SMESH_BUT_APPLY_AND_CLOSE"), aGrp);
  myButtons[ BTN_Apply ] = new QPushButton(tr("SMESH_BUT_APPLY"), aGrp);

  QLabel* aLbl = new QLabel(aGrp);
  aLbl->setSizePolicy(QSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed));

  myButtons[ BTN_Cancel ] = new QPushButton(tr("SMESH_BUT_CANCEL"), aGrp);
  myButtons[ BTN_Close  ] = new QPushButton(tr("SMESH_BUT_CLOSE"), aGrp);
  myButtons[ BTN_Help  ] = new QPushButton(tr("SMESH_BUT_HELP"), aGrp);

  connect(myButtons[ BTN_OK     ], SIGNAL(clicked()), SLOT(onOk()));
  connect(myButtons[ BTN_Cancel ], SIGNAL(clicked()), SLOT(onClose()));
  connect(myButtons[ BTN_Close  ], SIGNAL(clicked()), SLOT(onClose()));
  connect(myButtons[ BTN_Apply  ], SIGNAL(clicked()), SLOT(onApply()));
  connect(myButtons[ BTN_Help   ], SIGNAL(clicked()), SLOT(onHelp()));

  updateMainButtons();

  return aGrp;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::~SMESHGUI_FilterDlg
// Purpose : Destructor
//=======================================================================
SMESHGUI_FilterDlg::~SMESHGUI_FilterDlg()
{
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::Init
// Purpose : Init dialog fields, connect signals and slots, show dialog
//=======================================================================
void SMESHGUI_FilterDlg::Init (const int type)
{
  QValueList<int> aTypes;
  aTypes.append(type);
  Init(aTypes);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::Init
// Purpose : Init dialog fields, connect signals and slots, show dialog
//=======================================================================
void SMESHGUI_FilterDlg::Init (const QValueList<int>& theTypes)
{
  mySourceWg  = 0;
  myTypes     = theTypes;
  myMesh      = SMESH::SMESH_Mesh::_nil();
  myIObjects.Clear();
  myIsSelectionChanged = false;

  myTable->Init(theTypes);

  // set caption
  if (theTypes.count() == 1)
  {
    int aType = theTypes.first();
    if      (aType == SMESH::NODE  ) setCaption(tr("NODES_TLT"));
    else if (aType == SMESH::EDGE  ) setCaption(tr("EDGES_TLT"));
    else if (aType == SMESH::FACE  ) setCaption(tr("FACES_TLT"));
    else if (aType == SMESH::VOLUME) setCaption(tr("VOLUMES_TLT"));
  }
  else
    setCaption(tr("TLT"));

  qApp->processEvents();
  updateGeometry();
  adjustSize();
  setEnabled(true);

  mySMESHGUI->SetActiveDialogBox((QDialog*)this);

  connect(mySMESHGUI, SIGNAL(SignalDeactivateActiveDialog()), SLOT(onDeactivate()));
  connect(mySMESHGUI, SIGNAL(SignalCloseAllDialogs()), SLOT(onClose()));
  
  updateMainButtons();
  updateSelection();

  // Initialise filter table with values of previous filter
  QValueList<int>::const_iterator anIter;
  for (anIter = theTypes.begin(); anIter != theTypes.end(); ++anIter)
  {
    myTable->Clear(*anIter);
    if (!myFilter[ *anIter ]->_is_nil())
    {
      SMESH::Filter::Criteria_var aCriteria = new SMESH::Filter::Criteria;
      if (myFilter[ *anIter ]->GetCriteria(aCriteria))
      {
        for (int i = 0, n = aCriteria->length(); i < n; i++)
          myTable->AddCriterion(aCriteria[ i ], *anIter);
      }
    }
  }

  if (myInsertState.contains(theTypes.first()))
    mySetInViewer->setChecked(myInsertState[ theTypes.first() ]);
  else
    mySetInViewer->setChecked(true);
  if (myApplyToState.contains(theTypes.first()))
    mySourceGrp->setButton(myApplyToState[ theTypes.first() ]);
  else
    mySourceGrp->setButton(Selection);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onOk
// Purpose : SLOT called when "Ok" button pressed.
//           Assign filters VTK viewer and close dialog
//=======================================================================
void SMESHGUI_FilterDlg::onOk()
{
  if (onApply())
  {
    mySelectionMgr->clearFilters();
    disconnect(mySMESHGUI, 0, this, 0);
    disconnect(mySelectionMgr, 0, this, 0);
    mySMESHGUI->ResetState();
    accept();
    emit Accepted();
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onClose
// Purpose : SLOT called when "Close" button pressed. Close dialog
//=======================================================================
void SMESHGUI_FilterDlg::onClose()
{
  // Restore previously selected object
  if (mySelectionMgr)
  {
    SALOME_ListIO aList;
    mySelectionMgr->clearFilters();
    mySelectionMgr->clearSelected();
    SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger anIter (myIObjects);
    for (; anIter.More(); anIter.Next())
    {
      aList.Append(anIter.Key());

      TColStd_MapOfInteger aResMap;
      const TColStd_IndexedMapOfInteger& anIndMap = anIter.Value();
      for (int i = 1, n = anIndMap.Extent(); i <= n; i++)
        aResMap.Add(anIndMap(i));

      mySelector->AddOrRemoveIndex( anIter.Key(), aResMap, false);
      if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
        aViewWindow->highlight( anIter.Key(), true, true );
    }
    mySelectionMgr->setSelectedObjects(aList, false);
  }

  disconnect(mySMESHGUI, 0, this, 0);
  disconnect(mySelectionMgr, 0, this, 0);
  mySMESHGUI->ResetState();
  reject();
  return;
}

//=================================================================================
// function : onHelp()
// purpose  :
//=================================================================================
void SMESHGUI_FilterDlg::onHelp()
{
  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::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"));
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onDeactivate
// Purpose : SLOT called when dialog must be deativated
//=======================================================================
void SMESHGUI_FilterDlg::onDeactivate()
{
  setEnabled(false);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::enterEvent
// Purpose : Event filter
//=======================================================================
void SMESHGUI_FilterDlg::enterEvent (QEvent*)
{
//  mySMESHGUI->EmitSignalDeactivateDialog();
  mySMESHGUI->SetActiveDialogBox((QDialog*)this);
  mySMESHGUI->ResetState();
  setEnabled(true);
}

//=======================================================================
// name    : closeEvent()
// Purpose :
//=======================================================================
void SMESHGUI_FilterDlg::closeEvent (QCloseEvent*)
{
  onClose();
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::getIdsFromWg
// Purpose : Retrieve list of ids from given widget
//=======================================================================
void SMESHGUI_FilterDlg::getIdsFromWg (const QWidget* theWg, QValueList<int>& theRes) const
{
  theRes.clear();
  if (theWg == 0)
    return;

  if (theWg->inherits("QListBox"))
  {
    QListBox* aListBox = (QListBox*)theWg;
    bool b;
    for (int i = 0, n = aListBox->count(); i < n; i++)
    {
      int anId = aListBox->text(i).toInt(&b);
      if (b)
        theRes.append(anId);
    }
  }
  else if (theWg->inherits("QLineEdit"))
  {
    QLineEdit* aLineEdit = (QLineEdit*)theWg;
    QString aStr = aLineEdit->text();
    QRegExp aRegExp("(\\d+)");
    bool b;
    int aPos = 0;
    while (aPos >= 0)
    {
      aPos = aRegExp.search(aStr, aPos);
      if (aPos > -1)
      {
        int anId = aRegExp.cap(1).toInt(&b);
        if (b)
          theRes.append(anId);
        aPos += aRegExp.matchedLength();
      }
    }
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::getSelMode
// Purpose : Get selection mode of specified type
//=======================================================================
Selection_Mode SMESHGUI_FilterDlg::getSelMode (const int theType) const
{
  switch (theType)
  {
    case SMESH::NODE   : return NodeSelection;
    case SMESH::EDGE   : return EdgeSelection;
    case SMESH::FACE   : return FaceSelection;
    case SMESH::VOLUME : return VolumeSelection;
    default            : return ActorSelection;
  }

}

//=======================================================================
// name    : SMESHGUI_FilterDlg::setIdsToWg
// Purpose : Insert identifiers in specified widgets
//=======================================================================
void SMESHGUI_FilterDlg::setIdsToWg (QWidget* theWg, const QValueList<int>& theIds)
{
  if (theWg == 0)
    return;

  if (theWg->inherits("QListBox"))
  {
    QListBox* aListBox = (QListBox*)theWg;
    aListBox->clear();

    QStringList aStrList;
    QValueList<int>::const_iterator anIter;
    for (anIter = theIds.begin(); anIter != theIds.end(); ++anIter)
      aStrList.append(QString("%1").arg(*anIter));

    aListBox->insertStringList(aStrList);
  }
  else if (theWg->inherits("QLineEdit"))
  {
    QLineEdit* aLineEdit = (QLineEdit*)theWg;
    QString aStr;
    QValueList<int>::const_iterator anIter;

    for (anIter = theIds.begin(); anIter != theIds.end(); ++ anIter)
      aStr += QString("%1 ").arg(*anIter);

    if (!aStr.isEmpty())
      aStr.remove(aStr.length() - 1, 1);

    aLineEdit->setText(aStr);
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::isValid
// Purpose : Verify validity of input data
//=======================================================================
bool SMESHGUI_FilterDlg::isValid() const
{
  if (!myTable->IsValid())
    return false;

  for (int i = 0, n = myTable->NumRows(); i < n; i++)
  {
    int aType = myTable->GetCriterionType(i);
    if (aType == FT_BelongToGeom ||
        aType == FT_BelongToPlane ||
        aType == FT_BelongToCylinder ||
        aType == FT_BelongToGenSurface ||
        aType == FT_LyingOnGeom) {
      QString aName;
      myTable->GetThreshold(i, aName);

      std::vector<_PTR(SObject)> aList =
        SMESH::GetActiveStudyDocument()->FindObjectByName(aName.latin1(), "GEOM");
      if (aList.size() == 0) {
        QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                 tr("BAD_SHAPE_NAME").arg(aName), QMessageBox::Ok);
        return false;
      }

      if (aType == FT_BelongToCylinder ||
          aType == FT_BelongToPlane    ||
          aType == FT_BelongToGenSurface ) {
        CORBA::Object_var anObject = SMESH::SObjectToObject(aList[ 0 ]);
        //GEOM::GEOM_Object_var aGeomObj = GEOM::GEOM_Object::_narrow(aList[ 0 ]->GetObject());
        GEOM::GEOM_Object_var aGeomObj = GEOM::GEOM_Object::_narrow(anObject);
        if (!aGeomObj->_is_nil()) {
          TopoDS_Shape aFace;
          if (!GEOMBase::GetShape(aGeomObj, aFace) ||
               aFace.IsNull() ||
               aFace.ShapeType() != TopAbs_FACE) {
            QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                     tr("SHAPE_IS_NOT_A_FACE").arg(aName), QMessageBox::Ok);
            return false;
          }

          Handle(Geom_Surface) aSurf = BRep_Tool::Surface(TopoDS::Face(aFace));
          if (aSurf.IsNull()) {
            QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                     tr("SHAPE_IS_NOT_A_FACE").arg(aName), QMessageBox::Ok);
            return false;
          }

          if (aType == FT_BelongToPlane && !aSurf->IsKind(STANDARD_TYPE(Geom_Plane))) {
            QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                     tr("SHAPE_IS_NOT_A_PLANE").arg(aName), QMessageBox::Ok);
            return false;
          }

          if (aType == FT_BelongToCylinder && !aSurf->IsKind(STANDARD_TYPE(Geom_CylindricalSurface))) {
            QMessageBox::information(SMESHGUI::desktop(), tr("SMESH_INSUFFICIENT_DATA"),
                                     tr("SHAPE_IS_NOT_A_CYLINDER").arg(aName), QMessageBox::Ok);
            return false;
          }
        }
      }
    }
  }

  return true;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::SetSourceWg
// Purpose : Set widget of parent dialog containing idsto be filtered if
//           user select corresponding source radio button
//=======================================================================
void SMESHGUI_FilterDlg::SetSourceWg (QWidget* theWg)
{
  mySourceWg = theWg;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::SetGroupIds
// Purpose : Set mesh
//=======================================================================
void SMESHGUI_FilterDlg::SetMesh (SMESH::SMESH_Mesh_var theMesh)
{
  myMesh = theMesh;
  if ( myMesh->_is_nil() ) {
    myButtons[BTN_OK]->setEnabled(false);
    myButtons[BTN_Apply]->setEnabled(false);
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::SetSelection
// Purpose : Get filtered ids
//=======================================================================
void SMESHGUI_FilterDlg::SetSelection()
{
  if (mySelectionMgr)
    disconnect(mySelectionMgr, SIGNAL(currentSelectionChanged()), this, SLOT(onSelectionDone()));

  if (mySelectionMgr) {
    myIObjects.Clear();
    const SALOME_ListIO& anObjs = mySelector->StoredIObjects();
    SALOME_ListIteratorOfListIO anIter (anObjs);
    for (; anIter.More(); anIter.Next()) {
      TColStd_IndexedMapOfInteger aMap;
      mySelector->GetIndex(anIter.Value(), aMap);
      myIObjects.Bind(anIter.Value(), aMap);
    }

    connect(mySelectionMgr, SIGNAL(currentSelectionChanged()), SLOT(onSelectionDone()));

    updateSelection();
  }
  else
    myIObjects.Clear();
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onApply
// Purpose : SLOT called when "Apply" button pressed.
//           Assign filters to VTK viewer
//=======================================================================
bool SMESHGUI_FilterDlg::onApply()
{
  if (!isValid())
    return false;

  try {
    int aCurrType = myTable->GetType();

    if (!createFilter(aCurrType))
      return false;

    insertFilterInViewer();

    if (!myFilter[ aCurrType ]->GetPredicate()->_is_nil()) {
      QValueList<int> aResultIds;
      filterSource(aCurrType, aResultIds);
      selectInViewer(aCurrType, aResultIds);
    }

    myInsertState[ aCurrType ] = mySetInViewer->isChecked();
    myApplyToState[ aCurrType ] = mySourceGrp->id(mySourceGrp->selected());
  }
  catch(const SALOME::SALOME_Exception& S_ex)
  {
    SalomeApp_Tools::QtCatchCorbaException(S_ex);
  }
  catch(...)
  {
  }

  return true;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::createFilter
// Purpose : Create predicate for given type
//=======================================================================
bool SMESHGUI_FilterDlg::createFilter (const int theType)
{
  SMESH::FilterManager_var aFilterMgr = SMESH::GetFilterManager();
  if (aFilterMgr->_is_nil())
    return false;

  int n = myTable->NumRows();

  SMESH::Filter::Criteria_var aCriteria = new SMESH::Filter::Criteria;
  aCriteria->length(n);

  long aPrecision = -1;
  SUIT_ResourceMgr* mgr = SMESH::GetResourceMgr( mySMESHGUI );

  if ( mgr && mgr->booleanValue( "SMESH", "use_precision", false ) )
    aPrecision = mgr->integerValue( "SMESH", "controls_precision", aPrecision );

  for (CORBA::ULong i = 0; i < n; i++) {
    SMESH::Filter::Criterion aCriterion = createCriterion();
    myTable->GetCriterion(i, aCriterion);
    aCriterion.Precision = aPrecision;
    aCriteria[ i ] = aCriterion;
  }

  myFilter[ theType ] = aFilterMgr->CreateFilter();
  myFilter[ theType ]->SetCriteria(aCriteria.inout());

  return true;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::insertFilterInViewer
// Purpose : Insert filter in viewer
//=======================================================================
void SMESHGUI_FilterDlg::insertFilterInViewer()
{
  if (SVTK_Selector* aSelector = SMESH::GetSelector()) {
    SMESH::ElementType anEntType = (SMESH::ElementType)myTable->GetType();

    if (myFilter[ myTable->GetType() ]->_is_nil() ||
         myFilter[ myTable->GetType() ]->GetPredicate()->_is_nil() ||
         !mySetInViewer->isChecked()) {
      SMESH::RemoveFilter(getFilterId(anEntType), aSelector);
    }
    else {
      Handle(SMESHGUI_PredicateFilter) aFilter = new SMESHGUI_PredicateFilter();
      aFilter->SetPredicate(myFilter[ myTable->GetType() ]->GetPredicate());
      SMESH::RemoveFilter(getFilterId(anEntType), aSelector); //skl for IPAL12631
      SMESH::SetFilter(aFilter, aSelector);
    }
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::filterSource
// Purpose : Filter source ids
//=======================================================================
void SMESHGUI_FilterDlg::filterSource (const int theType,
                                       QValueList<int>& theResIds)
{
  theResIds.clear();
  if (myFilter[ theType ]->_is_nil())
    return;

  int aSourceId = mySourceGrp->id(mySourceGrp->selected());

  if (aSourceId == Mesh)
  {
    if (myMesh->_is_nil())
      return;
    SMESH::long_array_var anIds = myFilter[ theType ]->GetElementsId(myMesh);
    for (int i = 0, n = anIds->length(); i < n; i++)
      theResIds.append(anIds[ i ]);
  }
  else if (aSourceId == Selection)
  {
    filterSelectionSource(theType, theResIds);
  }
  else if (aSourceId == Dialog)
  {
    // retrieve ids from dialog
    QValueList<int> aDialogIds;
    getIdsFromWg(mySourceWg, aDialogIds);

    if (myMesh->_is_nil())
    {
      theResIds = aDialogIds;
      return;
    }

    // filter ids
    SMESH::Predicate_ptr aPred = myFilter[ theType ]->GetPredicate();
    aPred->SetMesh(myMesh);
    QValueList<int>::const_iterator anIter;
    for (anIter = aDialogIds.begin(); anIter != aDialogIds.end(); ++ anIter)
      if (aPred->IsSatisfy(*anIter))
        theResIds.append(*anIter);

    // set ids to the dialog
    setIdsToWg(mySourceWg, theResIds);
  }
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::filterSelectionSource
// Purpose : Filter source selection
//=======================================================================
void SMESHGUI_FilterDlg::filterSelectionSource (const int theType,
                                                QValueList<int>& theResIds)
{
  theResIds.clear();
  if (myMesh->_is_nil() || mySelectionMgr == 0)
    return;

  // Create map of entities to be filtered
  TColStd_MapOfInteger aToBeFiltered;
  SALOME_DataMapIteratorOfDataMapOfIOMapOfInteger anIter(myIObjects);

  for (; anIter.More(); anIter.Next())
  {
    // process sub mesh
    SMESH::SMESH_subMesh_var aSubMesh = SMESH::IObjectToInterface<SMESH::SMESH_subMesh>(anIter.Key());
    if (!aSubMesh->_is_nil())
    {
      if (aSubMesh->GetFather()->GetId() == myMesh->GetId())
      {
        SMESH::long_array_var anIds =
          theType == SMESH::NODE ? aSubMesh->GetNodesId() : aSubMesh->GetElementsId();
        for (int i = 0, n = anIds->length(); i < n; i++)
          aToBeFiltered.Add(anIds[ i ]);
      }
    }

    // process group
    SMESH::SMESH_GroupBase_var aGroup =
      SMESH::IObjectToInterface<SMESH::SMESH_GroupBase>(anIter.Key());
    if (!aGroup->_is_nil())
    {
      if (aGroup->GetType() == theType && aGroup->GetMesh()->GetId() == myMesh->GetId())
      {
        SMESH::long_array_var anIds = aGroup->GetListOfID();
        for (int i = 0, n = anIds->length(); i < n; i++)
          aToBeFiltered.Add(anIds[ i ]);
      }
    }

    // process mesh
    SMESH::SMESH_Mesh_var aMeshPtr = SMESH::IObjectToInterface<SMESH::SMESH_Mesh>(anIter.Key());
    if (!aMeshPtr->_is_nil() && aMeshPtr->GetId() == myMesh->GetId())
    {
      const TColStd_IndexedMapOfInteger& aSelMap = anIter.Value();

      if (aSelMap.Extent() > 0)
      {
        if(SMESH::FindActorByEntry(anIter.Key()->getEntry()))
        {
          for (int i = 1; i <= aSelMap.Extent(); i++)
            aToBeFiltered.Add(aSelMap(i));
        }
      }
    }
  }

  // Filter entities
  SMESH::Predicate_ptr aPred = myFilter[ theType ]->GetPredicate();
  aPred->SetMesh(myMesh);
  TColStd_MapIteratorOfMapOfInteger aResIter(aToBeFiltered);
  for (; aResIter.More(); aResIter.Next())
    if (aPred->IsSatisfy(aResIter.Key()))
      theResIds.append(aResIter.Key());
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::selectInViewer
// Purpose : Select given entities in viewer
//=======================================================================
void SMESHGUI_FilterDlg::selectInViewer (const int theType, const QValueList<int>& theIds)
{
  if (mySelectionMgr == 0 || myMesh->_is_nil())
    return;

  mySelectionMgr->clearFilters();

  // Set new selection mode if necessary
  Selection_Mode aSelMode = getSelMode(theType);
  SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI );
  if ( aViewWindow && aViewWindow->SelectionMode()!=aSelMode) {
    mySelectionMgr->clearSelected();
    mySelectionMgr->clearFilters();
    if (aSelMode == NodeSelection)
      SMESH::SetPointRepresentation(true);
    aViewWindow->SetSelectionMode(aSelMode);
  }

  // Clear selection
  SMESH_Actor* anActor = SMESH::FindActorByObject(myMesh);
  if (!anActor || !anActor->hasIO())
    return;

  Handle(SALOME_InteractiveObject) anIO = anActor->getIO();
  //mySelectionMgr->clearSelected();
  //mySelectionMgr->AddIObject(anIO, false);
  SALOME_ListIO aList;
  aList.Append(anIO);
  mySelectionMgr->setSelectedObjects(aList, false);

  // Remove filter corresponding to the current type from viewer
  int aType = myTable->GetType();
  int aFilterId = SMESHGUI_UnknownFilter;
  if      (aType == SMESH::EDGE  ) aFilterId = SMESHGUI_EdgeFilter;
  else if (aType == SMESH::FACE  ) aFilterId = SMESHGUI_FaceFilter;
  else if (aType == SMESH::VOLUME) aFilterId = SMESHGUI_VolumeFilter;
  Handle(VTKViewer_Filter) aFilter = SMESH::GetFilter(aFilterId);
  SMESH::RemoveFilter(aFilterId);

  // get vtk ids
  TColStd_MapOfInteger aMap;
  QValueList<int>::const_iterator anIter;
  for (anIter = theIds.begin(); anIter != theIds.end(); ++anIter) {
    aMap.Add(*anIter);
  }

  // Set new selection
  mySelector->AddOrRemoveIndex(anIO, aMap, false);
  if ( SVTK_ViewWindow* aViewWindow = SMESH::GetViewWindow( mySMESHGUI ))
    aViewWindow->highlight( anIO, true, true );

  // insert previously stored filter in viewer if necessary
  if (!aFilter.IsNull())
    SMESH::SetFilter(aFilter);
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::createCriterion
// Purpose : Create criterion structure with default values
//=======================================================================
SMESH::Filter::Criterion SMESHGUI_FilterDlg::createCriterion()
{
   SMESH::Filter::Criterion aCriterion;

  aCriterion.Type          = FT_Undefined;
  aCriterion.Compare       = FT_Undefined;
  aCriterion.Threshold     = 0;
  aCriterion.UnaryOp       = FT_Undefined;
  aCriterion.BinaryOp      = FT_Undefined;
  aCriterion.ThresholdStr  = "";
  aCriterion.ThresholdID   = "";
  aCriterion.TypeOfElement = SMESH::ALL;

  return aCriterion;
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onSelectionDone
// Purpose : SLOT called when selection changed.
//           If current cell corresponds to the threshold value of
//           BelongToGeom criterion name of selected object is set in this cell
//=======================================================================
void SMESHGUI_FilterDlg::onSelectionDone()
{
  int aRow, aCol;
  const SALOME_ListIO& aList = mySelector->StoredIObjects();

  if ( myMesh->_is_nil() && aList.Extent()>0 ) {
    myMesh = SMESH::IObjectToInterface<SMESH::SMESH_Mesh>(aList.First());
    if ( !(myMesh->_is_nil()) ) {
      myButtons[BTN_OK]->setEnabled(true);
      myButtons[BTN_Apply]->setEnabled(true);
    }
  }

  if (aList.Extent() != 1 ||
      !myTable->CurrentCell(aRow, aCol) ||
      myTable->GetCriterionType(aRow) != FT_BelongToGeom &&
      myTable->GetCriterionType(aRow) != FT_BelongToPlane &&
      myTable->GetCriterionType(aRow) != FT_BelongToCylinder &&
      myTable->GetCriterionType(aRow) != FT_BelongToGenSurface &&
      myTable->GetCriterionType(aRow) != FT_LyingOnGeom)
    return;

  Handle(SALOME_InteractiveObject) anIO = aList.First();
  GEOM::GEOM_Object_var anObj = SMESH::IObjectToInterface<GEOM::GEOM_Object>(anIO);
  if (!anObj->_is_nil())
    {
      myTable->SetThreshold(aRow, GEOMBase::GetName(anObj));
      //myTable->SetID( aRow, GEOMBase::GetIORFromObject(anObj));
      myTable->SetID(aRow, anIO->getEntry());
    }
}


//=======================================================================
// name    : SMESHGUI_FilterDlg::onCriterionChanged
// Purpose : SLOT called when cretarion of current row changed. Update selection
//=======================================================================
void SMESHGUI_FilterDlg::onCriterionChanged (const int , const int)
{
  updateSelection();
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::onCurrentChanged
// Purpose : SLOT called when current row changed. Update selection
//=======================================================================
void SMESHGUI_FilterDlg::onCurrentChanged (int, int)
{
  updateSelection();
}

//=======================================================================
// name    : SMESHGUI_FilterDlg::updateSelection
// Purpose : UpdateSelection in accordance with current row
//=======================================================================
void SMESHGUI_FilterDlg::updateSelection()
{
  if (mySelectionMgr == 0)
    return;

  TColStd_MapOfInteger allTypes;
  for( int i=0; i<10; i++ )
    allTypes.Add( i );
  SalomeApp_Study* aStudy = dynamic_cast<SalomeApp_Study*>( mySMESHGUI->application()->activeStudy() );
  if( !aStudy )
    return;


  mySelectionMgr->clearFilters();

  int aRow, aCol;

  if (myTable->CurrentCell(aRow, aCol) &&
      (myTable->GetCriterionType(aRow) == FT_BelongToGeom ||
       myTable->GetCriterionType(aRow) == FT_BelongToPlane ||
       myTable->GetCriterionType(aRow) == FT_BelongToCylinder ||
       myTable->GetCriterionType(aRow) == FT_BelongToGenSurface ||
       myTable->GetCriterionType(aRow) == FT_LyingOnGeom)) {

    if (myTable->GetCriterionType(aRow) == FT_BelongToGeom ||
        myTable->GetCriterionType(aRow) == FT_BelongToGenSurface ||
        myTable->GetCriterionType(aRow) == FT_LyingOnGeom) {

      mySelectionMgr->installFilter(new GEOM_SelectionFilter( aStudy, true ));

    } else if (myTable->GetCriterionType(aRow) == FT_BelongToPlane) {
      mySelectionMgr->installFilter(new GEOM_FaceFilter( aStudy, StdSelect_Plane ) );

    } else if (myTable->GetCriterionType(aRow) == FT_BelongToCylinder) {
      mySelectionMgr->installFilter(new GEOM_FaceFilter( aStudy, StdSelect_Cylinder ) );
    }
    myIsSelectionChanged = true;

  } else {
    if (myIsSelectionChanged) {
      mySelectionMgr->installFilter( new GEOM_TypeFilter( aStudy, -1 ) ); // This filter deactivates selection
    }
  }
}

//=================================================================================
// function : keyPressEvent()
// purpose  :
//=================================================================================
void SMESHGUI_FilterDlg::keyPressEvent( QKeyEvent* e )
{
  QDialog::keyPressEvent( e );
  if ( e->isAccepted() )
    return;

  if ( e->key() == Key_F1 )
    {
      e->accept();
      onHelp();
    }
}

