// 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   : PrimitiveGUI_DiskDlg.cxx
// Author : Lucien PIGNOLONI, Open CASCADE S.A.S.
//

#include "PrimitiveGUI_DiskDlg.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>

//=================================================================================
// class    : PrimitiveGUI_DiskDlg()
// purpose  : Constructs a PrimitiveGUI_DiskDlg 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.
//=================================================================================
PrimitiveGUI_DiskDlg::PrimitiveGUI_DiskDlg( 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_DISK_PNT_VEC_R" ) ) );
  QPixmap image1( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_SELECT" ) ) );
  QPixmap image2( SUIT_Session::session()->resourceMgr()->loadPixmap( "GEOM", tr( "ICON_DLG_DISK_THREE_POINTS" ) ) );

  setWindowTitle( tr( "GEOM_DISK_TITLE" ) );

  /***************************************************************/
  mainFrame()->GroupConstructors->setTitle( tr( "GEOM_DISK" ) );
  mainFrame()->RadioButton1->setIcon( image0 );
  mainFrame()->RadioButton2->setIcon( image2 );
  mainFrame()->RadioButton3->setAttribute( Qt::WA_DeleteOnClose );
  mainFrame()->RadioButton3->close();

  GroupPntVecR = new DlgRef_2Sel1Spin( centralWidget() );

  GroupPntVecR->GroupBox1->setTitle( tr( "GEOM_ARGUMENTS" ) );
  GroupPntVecR->TextLabel1->setText( tr( "GEOM_CENTER_POINT" ) );
  GroupPntVecR->TextLabel2->setText( tr( "GEOM_VECTOR" ) );
  GroupPntVecR->TextLabel3->setText( tr( "GEOM_RADIUS" ) );
  GroupPntVecR->PushButton1->setIcon( image1 );
  GroupPntVecR->PushButton2->setIcon( image1 );

  GroupPntVecR->LineEdit1->setReadOnly( true );
  GroupPntVecR->LineEdit2->setReadOnly( true );

  Group3Pnts = new DlgRef_3Sel( 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->PushButton1->setIcon( image1 );
  Group3Pnts->PushButton2->setIcon( image1 );
  Group3Pnts->PushButton3->setIcon( image1 );

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

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

  setHelpFileName( "create_disk_page.html" );

  Init();
}


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


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

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

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

  /* min, max, step and decimals for spin boxes & initial values */
  initSpinBox( GroupPntVecR->SpinBox_DX, 0.001, COORD_MAX, aStep, 3 ); // VSR:TODO : DBL_DIGITS_DISPLAY
  GroupPntVecR->SpinBox_DX->setValue( 100 );

  /* 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( GroupPntVecR->PushButton1, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPntVecR->PushButton2, SIGNAL( clicked() ), this, SLOT( SetEditCurrentArgument() ) );
  connect( GroupPntVecR->LineEdit1, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );
  connect( GroupPntVecR->LineEdit2, SIGNAL( returnPressed() ), this, SLOT( LineEditReturnPressed() ) );

  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( GroupPntVecR->SpinBox_DX, SIGNAL( valueChanged( double ) ), this, SLOT(ValueChangedInSpinBox() ) );
  connect( myGeomGUI, SIGNAL( SignalDefaultStepValueChanged( double ) ), this, SLOT( SetDoubleSpinBoxStep( double ) ) );

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

  initName( tr( "GEOM_DISK" ) );

  ConstructorsClicked( 0 );
}

//=================================================================================
// function : SetDoubleSpinBoxStep()
// purpose  : Double spin box management
//=================================================================================
void PrimitiveGUI_DiskDlg::SetDoubleSpinBoxStep( double step )
{
  GroupPntVecR->SpinBox_DX->setSingleStep(step);
}

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

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

  switch ( constructorId ) {
  case 0:
    {
      Group3Pnts->hide();
      GroupPntVecR->show();
      
      myEditCurrentArgument = GroupPntVecR->LineEdit1;
      GroupPntVecR->LineEdit1->setText( "" );
      GroupPntVecR->LineEdit2->setText( "" );
      break;
    }
  case 1:
    {
      GroupPntVecR->hide();
      Group3Pnts->show();
      
      myEditCurrentArgument = Group3Pnts->LineEdit1;
      Group3Pnts->LineEdit1->setText( "" );
      Group3Pnts->LineEdit2->setText( "" );
      Group3Pnts->LineEdit3->setText( "" );
      break;
    }
  }
  
  qApp->processEvents();
  updateGeometry();
  resize( minimumSize() );

  myEditCurrentArgument->setFocus();
  globalSelection(); // close local contexts, if any
  localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX );

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

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

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

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

//=================================================================================
// function : SelectionIntoArgument()
// purpose  : Called when selection as changed or other case
//=================================================================================
void PrimitiveGUI_DiskDlg::SelectionIntoArgument()
{
  myEditCurrentArgument->setText( "" );
  
  LightApp_SelectionMgr* aSelMgr = myGeomGUI->getApp()->selectionMgr();
  SALOME_ListIO aList;
  aSelMgr->selectedObjects( aList );

  if ( aList.Extent() != 1 ) {
    if      ( myEditCurrentArgument == GroupPntVecR->LineEdit1 )     myPoint  = GEOM::GEOM_Object::_nil();
    else if ( myEditCurrentArgument == GroupPntVecR->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();
    return;
  }

  // nbSel == 1
  Handle(SALOME_InteractiveObject) anIO = aList.First();

  Standard_Boolean aRes = Standard_False;
  GEOM::GEOM_Object_var aSelectedObject = GEOMBase::ConvertIOinGEOMObject(anIO, aRes);
  if ( !CORBA::is_nil( aSelectedObject ) && aRes ) {
    QString aName = GEOMBase::GetName( aSelectedObject );

    // If selected Vertex or Edge on the some Shape Get selection Subshape
    TopoDS_Shape aShape;
    if ( GEOMBase::GetShape( aSelectedObject, aShape, TopAbs_SHAPE ) && !aShape.IsNull() ) {
      TopAbs_ShapeEnum aNeedType = TopAbs_VERTEX;
      if ( myEditCurrentArgument == GroupPntVecR->LineEdit2 )
        aNeedType = TopAbs_EDGE;

      TColStd_IndexedMapOfInteger aMap;
      aSelMgr->GetIndexes(anIO, aMap);
      if ( aMap.Extent() == 1 ) { // Local Selection
        int anIndex = aMap(1);
        if ( aNeedType == TopAbs_EDGE )
          aName += QString( ":edge_%1" ).arg( anIndex );
        else
          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() != aNeedType ) {
          aSelectedObject = GEOM::GEOM_Object::_nil();
          aName = "";
        }
      }
    }
    
    myEditCurrentArgument->setText( aName );

    if      ( myEditCurrentArgument == GroupPntVecR->LineEdit1 )     myPoint  = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPntVecR->LineEdit2 )     myDir    = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit1 )       myPoint1 = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit2 )       myPoint2 = aSelectedObject;
    else if ( myEditCurrentArgument == Group3Pnts->LineEdit3 )       myPoint3 = aSelectedObject;
  }

  displayPreview();
}


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

  if ( send == GroupPntVecR->PushButton1 )          myEditCurrentArgument = GroupPntVecR->LineEdit1;
  else if ( send == GroupPntVecR->PushButton2 )     myEditCurrentArgument = GroupPntVecR->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;
  
  myEditCurrentArgument->setFocus();

  if ( myEditCurrentArgument == GroupPntVecR->LineEdit2 ) {
    globalSelection(); // close local contexts, if any
    localSelection( GEOM::GEOM_Object::_nil(), TopAbs_EDGE );
  }
  else {
    globalSelection(); // close local contexts, if any
    localSelection( GEOM::GEOM_Object::_nil(), TopAbs_VERTEX );
  }

  SelectionIntoArgument();
}

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


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

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

  ConstructorsClicked( getConstructorId() );
}


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

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

//=================================================================================
// function : ValueChangedInSpinBox()
// purpose  :
//=================================================================================
void PrimitiveGUI_DiskDlg::ValueChangedInSpinBox()
{
  displayPreview();
}

//=================================================================================
// function : getRadius()
// purpose  :
//=================================================================================
double PrimitiveGUI_DiskDlg::getRadius() const
{
  double r = 0.;
  switch ( getConstructorId() ) {
  case 0:
    r = GroupPntVecR->SpinBox_DX->value(); break;
  }
  return r;
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr PrimitiveGUI_DiskDlg::createOperation()
{
  return myGeomGUI->GetGeomGen()->GetI3DPrimOperations( 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 PrimitiveGUI_DiskDlg::isValid( QString& msg )
{
  const int id = getConstructorId();
  if ( id == 0 )
    return !myPoint->_is_nil() && !myDir->_is_nil() && getRadius() > 0;
  else if ( id == 1 )
    return !myPoint1->_is_nil() && !myPoint2->_is_nil() && !myPoint3->_is_nil() &&
      !isEqual( myPoint1, myPoint2 ) && !isEqual( myPoint1, myPoint3 ) && !isEqual( myPoint2, myPoint3 );
  return false;
}

//=================================================================================
// function : execute
// purpose  :
//=================================================================================
bool PrimitiveGUI_DiskDlg::execute( ObjectList& objects )
{
  bool res = false;
  
  GEOM::GEOM_Object_var anObj;
  
  switch ( getConstructorId() ) {
  case 0 :
    anObj = GEOM::GEOM_I3DPrimOperations::_narrow( getOperation() )->MakeDiskPntVecR( myPoint, myDir, getRadius() );
    res = true;
    break;
  case 1 :
    anObj = GEOM::GEOM_I3DPrimOperations::_narrow( getOperation() )->MakeDiskThreePnt( myPoint1, myPoint2, myPoint3 );
    res = true;
    break;
  }
  
  if ( !anObj->_is_nil() )
    objects.push_back( anObj._retn() );
  else {
    MESSAGE( "Execute Object is NULL!" );
  }
  
  return res;
}

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

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