geom/src/BasicGUI/BasicGUI_ArcDlg.cxx

//  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
//
//  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
//  This library is free software; you can redistribute it and/or
//  modify it under the terms of the GNU Lesser General Public
//  License as published by the Free Software Foundation; either
//  version 2.1 of the License.
//
//  This library is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//  Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with this library; if not, write to the Free Software
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
//  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// GEOM GEOMGUI : GUI for Geometry component
// File   : BasicGUI_ArcDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//
#include "BasicGUI_ArcDlg.h"

#include <DlgRef.h>
#include <GeometryGUI.h>
#include <GEOMBase.h>

#include <SUIT_ResourceMgr.h>
#include <SUIT_Session.h>
#include <SalomeApp_Application.h>
#include <LightApp_SelectionMgr.h>

#include <TColStd_IndexedMapOfInteger.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS.hxx>
#include <TopExp.hxx>

#include <GEOMImpl_Types.hxx>

//=================================================================================
// class    : BasicGUI_ArcDlg()
// purpose  : Constructs a BasicGUI_ArcDlg which is a child of 'parent', with the
//            name 'name' and widget flags set to 'f'.
//            The dialog will by default be modeless, unless you set 'modal' to
//            TRUE to construct a modal dialog.
//=================================================================================
BasicGUI_ArcDlg::BasicGUI_ArcDlg( GeometryGUI* theGeometryGUI, QWidget* parent,
				  bool modal, Qt::WindowFlags fl )
  : GEOMBase_Skeleton( theGeometryGUI, parent, modal, fl )
{
  SUIT_ResourceMgr* aResMgr = SUIT_Session::session()->resourceMgr();
  QPixmap image0( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_ARC" ) ) );
  QPixmap image1( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_ARC_CENTER" ) ) );
  QPixmap image2( aResMgr->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );
  QPixmap image3( aResMgr->loadPixmap( "GEOM", tr( "ICON_DLG_ARC_OF_ELLIPSE" ) ) );

  setWindowTitle( tr( "GEOM_ARC_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle( tr( "GEOM_ARC" ) );
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setIcon( image1 );
  mainFrame()->RadioButton3->setIcon( image3 );

  Group3Pnts = new DlgRef_3Sel( centralWidget() );

  Group3Pnts->GroupBox1->setTitle( tr( "GEOM_POINTS" ) );
  Group3Pnts->TextLabel1->setText( tr( "GEOM_POINT_I" ).arg( 1 ) );
  Group3Pnts->TextLabel2->setText( tr( "GEOM_POINT_I" ).arg( 2 ) );
  Group3Pnts->TextLabel3->setText( tr( "GEOM_POINT_I" ).arg( 3 ) );

  Group3Pnts->LineEdit1->setReadOnly( true );
  Group3Pnts->LineEdit2->setReadOnly( true );
  Group3Pnts->LineEdit3->setReadOnly( true );

  Group3Pnts->LineEdit1->setEnabled(true);
  Group3Pnts->LineEdit2->setEnabled(false);
  Group3Pnts->LineEdit3->setEnabled(false);

  Group3Pnts->PushButton1->setIcon(image2);
  Group3Pnts->PushButton2->setIcon(image2);
  Group3Pnts->PushButton3->setIcon(image2);


  Group3Pnts2 = new DlgRef_3Sel1Check( centralWidget() );

  Group3Pnts2->GroupBox1->setTitle( tr( "GEOM_POINTS" ) );
  Group3Pnts2->TextLabel1->setText( tr( "GEOM_CENTER_POINT" ) );
  Group3Pnts2->TextLabel2->setText( tr( "GEOM_POINT_I" ).arg( "Start" ) );
  Group3Pnts2->TextLabel3->setText( tr( "GEOM_POINT_I" ).arg( "End" ) );

  Group3Pnts2->LineEdit1->setReadOnly( true );
  Group3Pnts2->LineEdit2->setReadOnly( true );
  Group3Pnts2->LineEdit3->setReadOnly( true );

  Group3Pnts2->LineEdit1->setEnabled(true);
  Group3Pnts2->LineEdit2->setEnabled(false);
  Group3Pnts2->LineEdit3->setEnabled(false);

  Group3Pnts2->PushButton1->setIcon( image2 );
  Group3Pnts2->PushButton2->setIcon( image2 );
  Group3Pnts2->PushButton3->setIcon( image2 );
  
  Group3Pnts2->CheckButton1->setText( tr( "GEOM_REVERSE" ) );

  Group3Pnts3 = new DlgRef_3Sel( centralWidget() );

  Group3Pnts3->GroupBox1->setTitle( tr( "GEOM_POINTS" ) );
  Group3Pnts3->TextLabel1->setText( tr( "GEOM_CENTER_POINT" ) );
  Group3Pnts3->TextLabel2->setText( tr( "GEOM_POINT_I" ).arg( 1 ) );
  Group3Pnts3->TextLabel3->setText( tr( "GEOM_POINT_I" ).arg( 2 ) );

  Group3Pnts3->LineEdit1->setReadOnly( true );
  Group3Pnts3->LineEdit2->setReadOnly( true );
  Group3Pnts3->LineEdit3->setReadOnly( true );

  Group3Pnts3->LineEdit1->setEnabled(true);
  Group3Pnts3->LineEdit2->setEnabled(false);
  Group3Pnts3->LineEdit3->setEnabled(false);

  Group3Pnts3->PushButton1->setIcon(image2);
  Group3Pnts3->PushButton2->setIcon(image2);
  Group3Pnts3->PushButton3->setIcon(image2);

  QVBoxLayout* layout = new QVBoxLayout( centralWidget() );
  layout->setMargin( 0 ); layout->setSpacing( 6 );
  layout->addWidget( Group3Pnts );
  layout->addWidget( Group3Pnts2 );
  layout->addWidget( Group3Pnts3 );

  setHelpFileName( "create_arc_page.html" );

  Init();
}


//=================================================================================
// function : ~BasicGUI_ArcDlg()
// purpose  : Destroys the object and frees any allocated resources
//=================================================================================
BasicGUI_ArcDlg::~BasicGUI_ArcDlg()
{
}


//=================================================================================
// function : Init()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::Init()
{
  /* init variables */
  myEditCurrentArgument = Group3Pnts->LineEdit1;

  myPoint1 = myPoint2 = myPoint3 = GEOM::GEOM_Object::_nil();
  Group3Pnts2->CheckButton1->setChecked( false );
  Group3Pnts->PushButton1->setDown(true);

  /* signals and slots connections */
  connect( myGeomGUI, SIGNAL( SignalDeactivateActiveDialog() ), this, SLOT( DeactivateActiveDialog() ) );
  connect( myGeomGUI, SIGNAL( SignalCloseAllDialogs() ),        this, SLOT( ClickOnCancel() ) );
 
  connect( this,           SIGNAL( constructorsClicked( int ) ), this, SLOT( ConstructorsClicked( int ) ) );
 
  connect( buttonOk(),     SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
  connect( buttonApply(),  SIGNAL( clicked() ), this, SLOT( ClickOnApply() ) );

  connect( Group3Pnts->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts->PushButton3, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );

  connect( Group3Pnts->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts->LineEdit3, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  
  connect( Group3Pnts2->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts2->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts2->PushButton3, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );

  connect( Group3Pnts2->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts2->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts2->LineEdit3, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  connect( Group3Pnts2->CheckButton1, SIGNAL( toggled( bool ) ), this, SLOT( ReverseSense() ) );

  connect( Group3Pnts3->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts3->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( Group3Pnts3->PushButton3, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );

  connect( Group3Pnts3->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts3->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( Group3Pnts3->LineEdit3, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  connect( myGeomGUI->getApp()->selectionMgr(), SIGNAL( currentSelectionChanged() ),
	   this, SLOT( SelectionIntoArgument() ) );

  initName( tr( "GEOM_ARC" ) ); 
  

  ConstructorsClicked( 0 );
}


//=================================================================================
// function : ClickOnOk()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::ClickOnOk()
{
  if ( ClickOnApply() )
    ClickOnCancel();
}

//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
bool BasicGUI_ArcDlg::ClickOnApply()
{
  if ( !onAccept() )
    return false;

  initName();
  ConstructorsClicked( getConstructorId() );

  return true;
}


//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection as changed or other case
//=================================================================================
void BasicGUI_ArcDlg::SelectionIntoArgument()
{
  myEditCurrentArgument->setText( "" );

  LightApp_SelectionMgr* aSelMgr = myGeomGUI->getApp()->selectionMgr();
  SALOME_ListIO aSelList;
  aSelMgr->selectedObjects(aSelList);

  if (aSelList.Extent() != 1) {
    switch (getConstructorId()) {
    case 0:
      if      ( myEditCurrentArgument == Group3Pnts->LineEdit1 )   myPoint1 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts->LineEdit2 )   myPoint2 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts->LineEdit3 )   myPoint3 = GEOM::GEOM_Object::_nil();
      return;
      break;
    case 1:
      if      ( myEditCurrentArgument == Group3Pnts2->LineEdit1 )   myPoint1 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts2->LineEdit2 )   myPoint2 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts2->LineEdit3 )   myPoint3 = GEOM::GEOM_Object::_nil();
      return;
      break;
    case 2:
      if      ( myEditCurrentArgument == Group3Pnts3->LineEdit1 )   myPoint1 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts3->LineEdit2 )   myPoint2 = GEOM::GEOM_Object::_nil();
      else if ( myEditCurrentArgument == Group3Pnts3->LineEdit3 )   myPoint3 = GEOM::GEOM_Object::_nil();
      return;
      break;
    }
  }   
  // nbSel == 1
  Standard_Boolean aRes = Standard_False;
  GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject(aSelList.First(), aRes);
  if ( !CORBA::is_nil( aSelectedObject ) && aRes ) {
    QString aName = GEOMBase::GetName(aSelectedObject);

    // Get Selected object if selected subshape
    TopoDS_Shape aShape;
    if (GEOMBase::GetShape(aSelectedObject, aShape, TopAbs_SHAPE) && !aShape.IsNull())
    {
      TColStd_IndexedMapOfInteger aMap;
      aSelMgr->GetIndexes(aSelList.First(), aMap);
      if (aMap.Extent() == 1) // Local Selection
      {
        int anIndex = aMap(1);
        aName += QString(":vertex_%1").arg(anIndex);

	//Find SubShape Object in Father
	GEOM::GEOM_Object_var aFindedObject = GEOMBase_Helper::findObjectInFather(aSelectedObject, aName);

	if ( aFindedObject == GEOM::GEOM_Object::_nil() ) { // Object not found in study
	  GEOM::GEOM_IShapesOperations_var aShapesOp = getGeomEngine()->GetIShapesOperations(getStudyId());
	  aSelectedObject = aShapesOp->GetSubShape(aSelectedObject, anIndex);
	}
	else
	  aSelectedObject = aFindedObject; // get Object from study
      }
      else // Global Selection
      {
        if (aShape.ShapeType() != TopAbs_VERTEX) {
          aSelectedObject = GEOM::GEOM_Object::_nil();
          aName = "";
        }
      }
    }

    myEditCurrentArgument->setText(aName);

    if (!aSelectedObject->_is_nil()) { // clear selection if something selected
      globalSelection();
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX );      
    }

    switch ( getConstructorId() ) {
    case 0:
      if      ( myEditCurrentArgument == Group3Pnts->LineEdit1 ) {
	myPoint1 = aSelectedObject;
	if ( !myPoint1->_is_nil() && myPoint2->_is_nil() )
	  Group3Pnts->PushButton2->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts->LineEdit2 ) {
	myPoint2 = aSelectedObject;
	if ( !myPoint2->_is_nil() && myPoint3->_is_nil() )
	  Group3Pnts->PushButton3->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts->LineEdit3 ) {
	myPoint3 = aSelectedObject;
	if ( !myPoint3->_is_nil() && myPoint1->_is_nil() )
	  Group3Pnts->PushButton1->click();
      }
      break;
    case 1:
      if ( myEditCurrentArgument == Group3Pnts2->LineEdit1 ) {
	myPoint1 = aSelectedObject;
	if ( !myPoint1->_is_nil() && myPoint2->_is_nil() )
	  Group3Pnts2->PushButton2->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts2->LineEdit2 ) {
	myPoint2 = aSelectedObject;
	if ( !myPoint2->_is_nil() && myPoint3->_is_nil() )
	  Group3Pnts2->PushButton3->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts2->LineEdit3 ) {
	myPoint3 = aSelectedObject;
	if ( !myPoint3->_is_nil() && myPoint1->_is_nil() )
	  Group3Pnts2->PushButton1->click();
      }
      break;
    case 2:
      if ( myEditCurrentArgument == Group3Pnts3->LineEdit1 ) {
	myPoint1 = aSelectedObject;
	if ( !myPoint1->_is_nil() && myPoint2->_is_nil() )
	  Group3Pnts3->PushButton2->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts3->LineEdit2 ) {
	myPoint2 = aSelectedObject;
	if ( !myPoint2->_is_nil() && myPoint3->_is_nil() )
	  Group3Pnts3->PushButton3->click();
      }
      else if ( myEditCurrentArgument == Group3Pnts3->LineEdit3 ) {
	myPoint3 = aSelectedObject;
	if ( !myPoint3->_is_nil() && myPoint1->_is_nil() )
	  Group3Pnts3->PushButton1->click();
      }
      break;
    }
  }

  displayPreview();
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::SetEditCurrentArgument()
{
  globalSelection(); // close local selection to clear it
  localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX );

  QPushButton* send = (QPushButton*)sender();
  switch ( getConstructorId() ) {
  case 0:
    if      ( send == Group3Pnts->PushButton1 ) {
      myEditCurrentArgument = Group3Pnts->LineEdit1;
      Group3Pnts->PushButton2->setDown(false);
      Group3Pnts->PushButton3->setDown(false);
      Group3Pnts->LineEdit1->setEnabled(true);
      Group3Pnts->LineEdit2->setEnabled(false);
      Group3Pnts->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts->PushButton2 ) {
      myEditCurrentArgument = Group3Pnts->LineEdit2;
      Group3Pnts->PushButton1->setDown(false);
      Group3Pnts->PushButton3->setDown(false);
      Group3Pnts->LineEdit1->setEnabled(false);
      Group3Pnts->LineEdit2->setEnabled(true);
      Group3Pnts->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts->PushButton3 ) {
      myEditCurrentArgument = Group3Pnts->LineEdit3;
      Group3Pnts->PushButton1->setDown(false);
      Group3Pnts->PushButton2->setDown(false);
      Group3Pnts->LineEdit1->setEnabled(false);
      Group3Pnts->LineEdit2->setEnabled(false);
      Group3Pnts->LineEdit3->setEnabled(true);
    }
    break;
  case 1:
    if      ( send == Group3Pnts2->PushButton1 ) {
      myEditCurrentArgument = Group3Pnts2->LineEdit1;
      Group3Pnts2->PushButton2->setDown(false);
      Group3Pnts2->PushButton3->setDown(false);
      Group3Pnts2->LineEdit1->setEnabled(true);
      Group3Pnts2->LineEdit2->setEnabled(false);
      Group3Pnts2->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts2->PushButton2 ) {
      myEditCurrentArgument = Group3Pnts2->LineEdit2;
      Group3Pnts2->PushButton1->setDown(false);
      Group3Pnts2->PushButton3->setDown(false);
      Group3Pnts2->LineEdit1->setEnabled(false);
      Group3Pnts2->LineEdit2->setEnabled(true);
      Group3Pnts2->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts2->PushButton3 ) {
      myEditCurrentArgument = Group3Pnts2->LineEdit3;
      Group3Pnts2->PushButton1->setDown(false);
      Group3Pnts2->PushButton2->setDown(false);
      Group3Pnts2->LineEdit1->setEnabled(false);
      Group3Pnts2->LineEdit2->setEnabled(false);
      Group3Pnts2->LineEdit3->setEnabled(true);
    }
    break;
  case 2:
    if ( send == Group3Pnts3->PushButton1 ) {
      myEditCurrentArgument = Group3Pnts3->LineEdit1;
      Group3Pnts3->PushButton2->setDown(false);
      Group3Pnts3->PushButton3->setDown(false);
      Group3Pnts3->LineEdit1->setEnabled(true);
      Group3Pnts3->LineEdit2->setEnabled(false);
      Group3Pnts3->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts3->PushButton2 ) {
      myEditCurrentArgument = Group3Pnts3->LineEdit2;
      Group3Pnts3->PushButton1->setDown(false);
      Group3Pnts3->PushButton3->setDown(false);
      Group3Pnts3->LineEdit1->setEnabled(false);
      Group3Pnts3->LineEdit2->setEnabled(true);
      Group3Pnts3->LineEdit3->setEnabled(false);
    }
    else if ( send == Group3Pnts3->PushButton3 ) {
      myEditCurrentArgument = Group3Pnts3->LineEdit3;
      Group3Pnts3->PushButton1->setDown(false);
      Group3Pnts3->PushButton2->setDown(false);
      Group3Pnts3->LineEdit1->setEnabled(false);
      Group3Pnts3->LineEdit2->setEnabled(false);
      Group3Pnts3->LineEdit3->setEnabled(true);
    }
    break;
  }
  myEditCurrentArgument->setFocus();
  //  SelectionIntoArgument();
  send->setDown(true);
  displayPreview();
}


//=================================================================================
// function : LineEditReturnPressed()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::LineEditReturnPressed()
{
  QLineEdit* send = (QLineEdit*)sender();
  if ( send == Group3Pnts->LineEdit1 || send == Group3Pnts->LineEdit2 || send == Group3Pnts->LineEdit3 ||
       send == Group3Pnts2->LineEdit1 || send == Group3Pnts2->LineEdit2 || send == Group3Pnts2->LineEdit3 ||
       send == Group3Pnts3->LineEdit1 || send == Group3Pnts3->LineEdit2 || send == Group3Pnts3->LineEdit3 ) {
    myEditCurrentArgument = send;
    GEOMBase_Skeleton::LineEditReturnPressed();
  }
}


//=================================================================================
// function : ActivateThisDialog()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::ActivateThisDialog()
{
  GEOMBase_Skeleton::ActivateThisDialog();

  connect( myGeomGUI->getApp()->selectionMgr(),
	   SIGNAL( currentSelectionChanged() ),
	   this,
	   SLOT(SelectionIntoArgument() ) );

  ConstructorsClicked( getConstructorId() );
}

//=================================================================================
// function : enterEvent()
// purpose  :
//=================================================================================
void BasicGUI_ArcDlg::enterEvent( QEvent* )
{
  if ( !mainFrame()->GroupConstructors->isEnabled() )
    ActivateThisDialog();
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr BasicGUI_ArcDlg::createOperation()
{
  return myGeomGUI->GetGeomGen()->GetICurvesOperations( getStudyId() );
}

//=================================================================================
// function : isEqual
// purpose  : it may also be needed to check for min distance between gp_Pnt-s...
//=================================================================================
static bool isEqual( const GEOM::GEOM_Object_var& thePnt1, const GEOM::GEOM_Object_var& thePnt2 )
{
  return thePnt1->_is_equivalent( thePnt2 );
}

//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool BasicGUI_ArcDlg::isValid( QString& msg )
{
  switch (getConstructorId()) {
  case 0:
    {
      if (Group3Pnts->LineEdit1->text().trimmed().isEmpty() ||
	  Group3Pnts->LineEdit2->text().trimmed().isEmpty() ||
	  Group3Pnts->LineEdit3->text().trimmed().isEmpty())
	return false;
      break;
    }
  case 1:
    {
      if (Group3Pnts2->LineEdit1->text().trimmed().isEmpty() ||
	  Group3Pnts2->LineEdit2->text().trimmed().isEmpty() ||
	  Group3Pnts2->LineEdit3->text().trimmed().isEmpty())
	return false;
      break;
    }
  case 2:
    {
      if (Group3Pnts3->LineEdit1->text().trimmed().isEmpty() ||
	  Group3Pnts3->LineEdit2->text().trimmed().isEmpty() ||
	  Group3Pnts3->LineEdit3->text().trimmed().isEmpty())
	return false;
      break;
    }
  }
  return !myPoint1->_is_nil() && !myPoint2->_is_nil() && !myPoint3->_is_nil() &&
    !isEqual( myPoint1, myPoint2 ) && !isEqual( myPoint1, myPoint3 ) && !isEqual( myPoint2, myPoint3 );
}

//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool BasicGUI_ArcDlg::execute( ObjectList& objects )
{
  bool res = false;
  GEOM::GEOM_Object_var anObj;

  switch ( getConstructorId() ) {
  case 0:
    {
      if ( !CORBA::is_nil( myPoint1 ) && !CORBA::is_nil( myPoint2 ) && !CORBA::is_nil( myPoint3 ) ) {
	anObj = GEOM::GEOM_ICurvesOperations::_narrow( getOperation() )->MakeArc( myPoint1, myPoint2, myPoint3 );
	res = true;
      }
      break;
    }
  case 1:
    {
      bool Sense = Group3Pnts2->CheckButton1->isChecked();
      if ( !CORBA::is_nil( myPoint1 ) && !CORBA::is_nil( myPoint2 ) && !CORBA::is_nil( myPoint3 ) ) {
	anObj = GEOM::GEOM_ICurvesOperations::_narrow( getOperation() )->MakeArcCenter( myPoint1, myPoint2, myPoint3, Sense );
	res = true;
      }
      break;
    }
  case 2:
    {
      if ( !CORBA::is_nil( myPoint1 ) && !CORBA::is_nil( myPoint2 ) && !CORBA::is_nil( myPoint3 ) ) {
	anObj = GEOM::GEOM_ICurvesOperations::_narrow( getOperation() )->MakeArcOfEllipse( myPoint1, myPoint2, myPoint3 );
	res = true;
      }
      break;
    }
  }
  if ( !anObj->_is_nil() ) {
    objects.push_back( anObj._retn() );
  }
  return res;
}

//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void BasicGUI_ArcDlg::ConstructorsClicked( int constructorId )
{
  disconnect( myGeomGUI->getApp()->selectionMgr(), 0, this, 0 );

  switch ( constructorId ) {
  case 0:
    {
      globalSelection(); // close local contexts, if any
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX ); //Select Vertex on All Shapes

      Group3Pnts->show();
      Group3Pnts2->hide();
      Group3Pnts3->hide();
      Group3Pnts->PushButton1->setDown(true);
      Group3Pnts->PushButton2->setDown(false);
      Group3Pnts->PushButton3->setDown(false);
      Group3Pnts->LineEdit1->setText( "" );
      Group3Pnts->LineEdit2->setText( "" );
      Group3Pnts->LineEdit3->setText( "" );
      Group3Pnts->LineEdit1->setEnabled(true);
      Group3Pnts->LineEdit2->setEnabled(false);
      Group3Pnts->LineEdit3->setEnabled(false);
      myPoint1 = myPoint2 = myPoint3 = GEOM::GEOM_Object::_nil();

      myEditCurrentArgument = Group3Pnts->LineEdit1;
      break;
    }
  case 1:
    {
      globalSelection(); // close local contexts, if any
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX ); //Select Vertex on All Shapes

      Group3Pnts->hide();
      Group3Pnts2->show();
      Group3Pnts3->hide();
      Group3Pnts2->PushButton1->setDown(true);
      Group3Pnts2->PushButton2->setDown(false);
      Group3Pnts2->PushButton3->setDown(false);
      Group3Pnts2->LineEdit1->setText( "" );
      Group3Pnts2->LineEdit2->setText( "" );
      Group3Pnts2->LineEdit3->setText( "" );
      Group3Pnts2->LineEdit1->setEnabled(true);
      Group3Pnts2->LineEdit2->setEnabled(false);
      Group3Pnts2->LineEdit3->setEnabled(false);
      myPoint1 = myPoint2 = myPoint3 = GEOM::GEOM_Object::_nil();
      
      myEditCurrentArgument = Group3Pnts2->LineEdit1;
      break;
    }
  case 2:
    {
      globalSelection(); // close local contexts, if any
      localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX ); //Select Vertex on All Shapes

      Group3Pnts->hide();
      Group3Pnts2->hide();
      Group3Pnts3->show();
      Group3Pnts3->PushButton1->setDown(true);
      Group3Pnts3->PushButton2->setDown(false);
      Group3Pnts3->PushButton3->setDown(false);
      Group3Pnts3->LineEdit1->setText( "" );
      Group3Pnts3->LineEdit2->setText( "" );
      Group3Pnts3->LineEdit3->setText( "" );
      Group3Pnts3->LineEdit1->setEnabled(true);
      Group3Pnts3->LineEdit2->setEnabled(false);
      Group3Pnts3->LineEdit3->setEnabled(false);
      myPoint1 = myPoint2 = myPoint3 = GEOM::GEOM_Object::_nil();

      myEditCurrentArgument = Group3Pnts3->LineEdit1;
      break;
    }
  }

  qApp->processEvents();
  updateGeometry();
  resize( minimumSizeHint() );

  myEditCurrentArgument->setFocus();
  connect( myGeomGUI->getApp()->selectionMgr(), SIGNAL( currentSelectionChanged() ),
	   this, SLOT( SelectionIntoArgument() ) );

  if ( CORBA::is_nil( myPoint1 ) )
    SelectionIntoArgument();

  displayPreview();
}

//=================================================================================
// function : ReverseSense()
// purpose  : Orientation of the arc
//=================================================================================
void BasicGUI_ArcDlg::ReverseSense()
{
  displayPreview();
}

//=================================================================================
// function : addSubshapeToStudy
// purpose  : virtual method to add new SubObjects if local selection
//=================================================================================
void BasicGUI_ArcDlg::addSubshapesToStudy()
{
  QMap<QString, GEOM::GEOM_Object_var> objMap;

  switch ( getConstructorId() ) {
  case 0:
    objMap[Group3Pnts->LineEdit1->text()] = myPoint1;
    objMap[Group3Pnts->LineEdit2->text()] = myPoint2;
    objMap[Group3Pnts->LineEdit3->text()] = myPoint3;
    break;
  case 1:
    objMap[Group3Pnts2->LineEdit1->text()] = myPoint1;
    objMap[Group3Pnts2->LineEdit2->text()] = myPoint2;
    objMap[Group3Pnts2->LineEdit3->text()] = myPoint3;
    break;
  case 2:
    objMap[Group3Pnts3->LineEdit1->text()] = myPoint1;
    objMap[Group3Pnts3->LineEdit2->text()] = myPoint2;
    objMap[Group3Pnts3->LineEdit3->text()] = myPoint3;
    break;
  }
  addSubshapesToFather( objMap );
}