// GEOM GEOMGUI : GUI for Geometry 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   : BasicGUI_PlaneDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//

#include "BasicGUI_PlaneDlg.h"

#include <GEOM_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_MapOfInteger.hxx>

#include <GEOMImpl_Types.hxx>

//=================================================================================
// class    : BasicGUI_PlaneDlg()
// purpose  : Constructs a BasicGUI_PlaneDlg 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_PlaneDlg::BasicGUI_PlaneDlg( GeometryGUI* theGeometryGUI, QWidget* parent,
				      bool modal, Qt::WindowFlags fl )
  : GEOMBase_Skeleton( theGeometryGUI, parent, modal, fl )
{
  QPixmap image0( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_PLANE_PV" ) ) );
  QPixmap image1( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_PLANE_3PNTS" ) ) );
  QPixmap image2( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_PLANE_FACE" ) ) );
  QPixmap image3( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );

  setWindowTitle( tr( "GEOM_PLANE_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle( tr( "GEOM_PLANE" ) );
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setIcon( image1 );
  mainFrame()->RadioButton3->setIcon( image2 );

  GroupPntDir = new DlgRef_2Sel1Spin( centralWidget() );
  GroupPntDir->GroupBox1->setTitle( tr( "GEOM_PLANE_PV" ) );
  GroupPntDir->TextLabel1->setText( tr( "GEOM_POINT" ) );
  GroupPntDir->TextLabel2->setText( tr( "GEOM_VECTOR" ) );
  GroupPntDir->TextLabel3->setText( tr( "GEOM_PLANE_SIZE" ) );
  GroupPntDir->PushButton1->setIcon( image3 );
  GroupPntDir->PushButton2->setIcon( image3 );
  GroupPntDir->LineEdit1->setReadOnly( true );
  GroupPntDir->LineEdit2->setReadOnly( true );

  Group3Pnts = new DlgRef_3Sel1Spin( centralWidget() );
  Group3Pnts->GroupBox1->setTitle( tr( "GEOM_3_POINTS" ) );
  Group3Pnts->TextLabel1->setText( tr( "GEOM_POINT1" ) );
  Group3Pnts->TextLabel2->setText( tr( "GEOM_POINT2" ) );
  Group3Pnts->TextLabel3->setText( tr( "GEOM_POINT3" ) );
  Group3Pnts->TextLabel4->setText( tr( "GEOM_PLANE_SIZE" ) );
  Group3Pnts->PushButton1->setIcon( image3 );
  Group3Pnts->PushButton2->setIcon( image3 );
  Group3Pnts->PushButton3->setIcon( image3 );

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

  GroupFace = new DlgRef_1Sel1Spin( centralWidget() );
  GroupFace->GroupBox1->setTitle( tr( "GEOM_FACE_OR_LCS" ) );
  GroupFace->TextLabel1->setText( tr( "GEOM_SELECTION" ) );
  GroupFace->TextLabel2->setText( tr( "GEOM_PLANE_SIZE" ) );
  GroupFace->PushButton1->setIcon( image3 );

  GroupFace->LineEdit1->setReadOnly( true );

  QVBoxLayout* layout = new QVBoxLayout( centralWidget() );
  layout->setMargin( 0 ); layout->setSpacing( 6 );
  layout->addWidget( GroupPntDir );
  layout->addWidget( Group3Pnts );
  layout->addWidget( GroupFace );
  /***************************************************************/

  setHelpFileName( "plane.htm" );

  Init();
}


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


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

  myPoint = myDir = myPoint1 = myPoint2 = myPoint3 = myFace = GEOM::GEOM_Object::_nil();

  // myGeomGUI->SetState( 0 );

  /* Get setting of step value from file configuration */
  SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
  double aStep = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100 );

  double aTrimSize = 2000.0;

  /* min, max, step and decimals for spin boxes */
  initSpinBox( GroupPntDir->SpinBox_DX, 0.001, COORD_MAX, aStep, 3 );
  GroupPntDir->SpinBox_DX->setValue( aTrimSize );
  initSpinBox( Group3Pnts->SpinBox_DX, 0.001, COORD_MAX, aStep, 3 );
  Group3Pnts->SpinBox_DX->setValue( aTrimSize );
  initSpinBox( GroupFace->SpinBox_DX, 0.001, COORD_MAX, aStep, 3 );
  GroupFace->SpinBox_DX->setValue( aTrimSize );

  /* signals and slots connections */
  connect( myGeomGUI, SIGNAL( SignalDeactivateActiveDialog() ), this, SLOT( DeactivateActiveDialog() ) );
  connect( myGeomGUI, SIGNAL( SignalCloseAllDialogs() ),        this, SLOT( ClickOnCancel() ) );

  connect( buttonOk(),     SIGNAL( clicked() ), this, SLOT( ClickOnOk() ) );
  connect( buttonApply(),  SIGNAL( clicked() ), this, SLOT( ClickOnApply() ) );

  connect( this,           SIGNAL( constructorsClicked( int ) ), this, SLOT( ConstructorsClicked( int ) ) );

  connect( GroupPntDir->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPntDir->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  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( GroupFace->PushButton1,   SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );

  connect( GroupPntDir->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( GroupPntDir->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  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( GroupFace->LineEdit1,   SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  connect( GroupPntDir->SpinBox_DX, SIGNAL( valueChanged( double ) ), this, SLOT( ValueChangedInSpinBox( double ) ) );
  connect( Group3Pnts->SpinBox_DX,  SIGNAL( valueChanged( double ) ), this, SLOT( ValueChangedInSpinBox( double ) ) );
  connect( GroupFace->SpinBox_DX,   SIGNAL( valueChanged( double ) ), this, SLOT( ValueChangedInSpinBox( double ) ) );

  // VSR: TODO ->>
  connect( myGeomGUI, SIGNAL( SignalDefaultStepValueChanged( double ) ), GroupPntDir->SpinBox_DX, SLOT( SetStep( double ) ) );
  connect( myGeomGUI, SIGNAL( SignalDefaultStepValueChanged( double ) ), Group3Pnts->SpinBox_DX,  SLOT( SetStep( double ) ) );
  connect( myGeomGUI, SIGNAL( SignalDefaultStepValueChanged( double ) ), GroupFace->SpinBox_DX,   SLOT( SetStep( double ) ) );
  // <<-

  connect( ( (SalomeApp_Application*)( SUIT_Session::session()->activeApplication() ) )->selectionMgr(), SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );

  initName( tr( "GEOM_PLANE" ) );

  ConstructorsClicked( 0 );
}


//=================================================================================
// function : ConstructorsClicked()
// purpose  : Radio button management
//=================================================================================
void BasicGUI_PlaneDlg::ConstructorsClicked( int constructorId )
{
  disconnect( ( (SalomeApp_Application*)( SUIT_Session::session()->activeApplication() ) )->selectionMgr(), 0, this, 0 );
  myPoint = myDir = myPoint1 = myPoint2 = myPoint3 = myFace = GEOM::GEOM_Object::_nil();

  switch ( constructorId ) {
  case 0: /* plane from a point and a direction (vector, edge...) */
    {
      Group3Pnts->hide();
      GroupFace->hide();
      GroupPntDir->show();
      
      myEditCurrentArgument = GroupPntDir->LineEdit1;
      GroupPntDir->LineEdit1->setText( "" );
      GroupPntDir->LineEdit2->setText( "" );
      
      /* for the first argument */
      globalSelection( GEOM_POINT );
      break;
    }
  case 1: /* plane from 3 points */
    {
      GroupPntDir->hide();
      GroupFace->hide();
      Group3Pnts->show();
      
      myEditCurrentArgument = Group3Pnts->LineEdit1;
      Group3Pnts->LineEdit1->setText( "" );
      Group3Pnts->LineEdit2->setText( "" );
      Group3Pnts->LineEdit3->setText( "" );
      
      /* for the first argument */
      globalSelection( GEOM_POINT );
      break;
    }
  case 2: /* plane from a planar face selection */
    {
      GroupPntDir->hide();
      Group3Pnts->hide();
      GroupFace->show();
      
      myEditCurrentArgument = GroupFace->LineEdit1;
      GroupFace->LineEdit1->setText( "" );
      
      /* for the first argument */
      //globalSelection( GEOM_PLANE );
      TColStd_MapOfInteger aMap;
      aMap.Add( GEOM_PLANE );
      aMap.Add( GEOM_MARKER );
      globalSelection( aMap );
      break;
    }
  }
  
  qApp->processEvents();
  updateGeometry();
  resize( minimumSize() );

  myEditCurrentArgument->setFocus();
  connect( ( (SalomeApp_Application*)( SUIT_Session::session()->activeApplication() ) )->selectionMgr(),
	   SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );
}


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


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

  initName();
  ConstructorsClicked( getConstructorId() );
  return true;
}

//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection has changed
//=================================================================================
void BasicGUI_PlaneDlg::SelectionIntoArgument()
{
  myEditCurrentArgument->setText("");

  if ( IObjectCount() != 1 ) {
    if      ( myEditCurrentArgument == GroupPntDir->LineEdit1 ) myPoint  = GEOM::GEOM_Object::_nil();
    else if ( myEditCurrentArgument == GroupPntDir->LineEdit2 ) myDir    = GEOM::GEOM_Object::_nil();
    else 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();
    else if ( myEditCurrentArgument == GroupFace->LineEdit1 )   myFace   = GEOM::GEOM_Object::_nil();
    return;
  }

  // nbSel == 1
  Standard_Boolean aRes = Standard_False;
  GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject( firstIObject(), aRes );
  if ( !CORBA::is_nil( aSelectedObject ) && aRes ) {
    myEditCurrentArgument->setText( GEOMBase::GetName( aSelectedObject ) );
    if      ( myEditCurrentArgument == GroupPntDir->LineEdit1 ) myPoint  = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPntDir->LineEdit2 ) myDir    = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit1 )  myPoint1 = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit2 )  myPoint2 = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit3 )  myPoint3 = aSelectedObject;
    else if ( myEditCurrentArgument == GroupFace->LineEdit1 )   myFace   = aSelectedObject;
  }

  displayPreview();
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void BasicGUI_PlaneDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();

  if      ( send == GroupPntDir->PushButton1 ) myEditCurrentArgument = GroupPntDir->LineEdit1;
  else if ( send == GroupPntDir->PushButton2 ) myEditCurrentArgument = GroupPntDir->LineEdit2;
  else if ( send == Group3Pnts->PushButton1 )  myEditCurrentArgument = Group3Pnts->LineEdit1;
  else if ( send == Group3Pnts->PushButton2 )  myEditCurrentArgument = Group3Pnts->LineEdit2;
  else if ( send == Group3Pnts->PushButton3 )  myEditCurrentArgument = Group3Pnts->LineEdit3;
  else if ( send == GroupFace->PushButton1 )   myEditCurrentArgument = GroupFace->LineEdit1;

  myEditCurrentArgument->setFocus();

  if ( myEditCurrentArgument == GroupPntDir->LineEdit2 )
    globalSelection( GEOM_LINE );
  else if ( myEditCurrentArgument == GroupFace->LineEdit1 ) {
    //globalSelection( GEOM_PLANE );
    TColStd_MapOfInteger aMap;
    aMap.Add( GEOM_PLANE );
    aMap.Add( GEOM_MARKER );
    globalSelection( aMap );
  }
  else
    globalSelection( GEOM_POINT );

  SelectionIntoArgument();
}


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


//=================================================================================
// function : ActivateThisDialog()
// purpose  :
//=================================================================================
void BasicGUI_PlaneDlg::ActivateThisDialog()
{
  GEOMBase_Skeleton::ActivateThisDialog();
  connect( ( (SalomeApp_Application*)( SUIT_Session::session()->activeApplication() ) )->selectionMgr(),
	   SIGNAL( currentSelectionChanged() ), this, SLOT( SelectionIntoArgument() ) );

  // myGeomGUI->SetState( 0 );

  ConstructorsClicked( getConstructorId() );
}

//=================================================================================
// function : DeactivateActiveDialog()
// purpose  : public slot to deactivate if active
//=================================================================================
void BasicGUI_PlaneDlg::DeactivateActiveDialog()
{
  // myGeomGUI->SetState( -1 );
  GEOMBase_Skeleton::DeactivateActiveDialog();
}

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


//=================================================================================
// function : ValueChangedInSpinBox()
// purpose  :
//=================================================================================
void BasicGUI_PlaneDlg::ValueChangedInSpinBox( double newValue )
{
  displayPreview();
}

//=================================================================================
// function : getSize()
// purpose  :
//=================================================================================
double BasicGUI_PlaneDlg::getSize() const
{
  switch ( getConstructorId() ) {
  case 0 : return GroupPntDir->SpinBox_DX->value();
  case 1 : return Group3Pnts->SpinBox_DX->value();
  case 2 : return GroupFace->SpinBox_DX->value();
  }
  return 0.;
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr BasicGUI_PlaneDlg::createOperation()
{
  return myGeomGUI->GetGeomGen()->GetIBasicOperations( 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_PlaneDlg::isValid( QString& msg )
{
  const int id = getConstructorId();
  if ( getSize() <= 0 ) {
    msg = QString( "Please, enter size greater than 0." );
    return false;
  }
  if ( id == 0 )
    return !CORBA::is_nil( myPoint ) && !CORBA::is_nil( myDir );
  else if ( id == 1 )
    return !CORBA::is_nil( myPoint1  ) && !CORBA::is_nil( myPoint2 ) && !CORBA::is_nil( myPoint3 ) &&
      !isEqual( myPoint1, myPoint2 ) && !isEqual( myPoint1, myPoint3 ) && !isEqual( myPoint2, myPoint3 );
  else if ( id == 2 )
    return !CORBA::is_nil( myFace );
  return false;
}

//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool BasicGUI_PlaneDlg::execute( ObjectList& objects )
{
  bool res = false;

  GEOM::GEOM_Object_var anObj;

  switch ( getConstructorId() ) {
  case 0 :
    anObj = GEOM::GEOM_IBasicOperations::_narrow( getOperation() )->MakePlanePntVec( myPoint, myDir, getSize() );
    res = true;
    break;
  case 1 :
    anObj = GEOM::GEOM_IBasicOperations::_narrow( getOperation() )->MakePlaneThreePnt( myPoint1, myPoint2, myPoint3, getSize() );
    res = true;
    break;
  case 2 :
    anObj = GEOM::GEOM_IBasicOperations::_narrow( getOperation() )->MakePlaneFace( myFace, getSize() );
    res = true;
    break;
  }

  if ( !anObj->_is_nil() )
    objects.push_back( anObj._retn() );
  
  return res;
}

//=================================================================================
// function : closeEvent
// purpose  :
//=================================================================================
void BasicGUI_PlaneDlg::closeEvent( QCloseEvent* e )
{
  GEOMBase_Skeleton::closeEvent( e );
}