//  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.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
//  File   : BasicGUI_VectorDlg.cxx
//  Author : Lucien PIGNOLONI
//  Module : GEOM
//  $Header$

#include "BasicGUI_VectorDlg.h"

#include "SUIT_Desktop.h"
#include "SUIT_Session.h"
#include "SalomeApp_Application.h"
#include "LightApp_SelectionMgr.h"

#include <qlabel.h>

#include "GEOMImpl_Types.hxx"

#include "utilities.h"

using namespace std;

//=================================================================================
// class    : BasicGUI_VectorDlg()
// purpose  : Constructs a BasicGUI_VectorDlg 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_VectorDlg::BasicGUI_VectorDlg(GeometryGUI* theGeometryGUI, QWidget* parent, const char* name, bool modal, WFlags fl)
  :GEOMBase_Skeleton(parent, name, modal, fl ), myGeometryGUI(theGeometryGUI)
{
  QPixmap image0(SUIT_Session::session()->resourceMgr()->loadPixmap("GEOM",tr("ICON_DLG_VECTOR_2P")));
  QPixmap image1(SUIT_Session::session()->resourceMgr()->loadPixmap("GEOM",tr("ICON_DLG_VECTOR_DXYZ")));
  QPixmap image2(SUIT_Session::session()->resourceMgr()->loadPixmap("GEOM",tr("ICON_SELECT")));

  setCaption(tr("GEOM_VECTOR_TITLE"));
  
  /***************************************************************/
  GroupConstructors->setTitle(tr("GEOM_VECTOR"));
  RadioButton1->setPixmap(image0);
  RadioButton2->setPixmap(image1);
  RadioButton3->close(TRUE);

  GroupPoints = new DlgRef_2Sel_QTD(this, "GroupPoints");
  GroupPoints->GroupBox1->setTitle(tr("GEOM_POINTS"));
  GroupPoints->TextLabel1->setText(tr("GEOM_POINT_I").arg("1"));
  GroupPoints->TextLabel2->setText(tr("GEOM_POINT_I").arg("2"));
  GroupPoints->PushButton1->setPixmap(image2);
  GroupPoints->PushButton2->setPixmap(image2);

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

  GroupDimensions = new DlgRef_3Spin1Check(this, "GroupDimensions");
  GroupDimensions->GroupBox1->setTitle(tr("GEOM_COORDINATES"));
  GroupDimensions->TextLabel1->setText(tr("GEOM_DX"));
  GroupDimensions->TextLabel2->setText(tr("GEOM_DY"));
  GroupDimensions->TextLabel3->setText(tr("GEOM_DZ"));
  GroupDimensions->CheckBox1->setText(tr("GEOM_REVERSE_VECTOR"));

  Layout1->addWidget(GroupPoints, 2, 0);
  Layout1->addWidget(GroupDimensions, 2, 0);
  /***************************************************************/

  /* Initialisations */
  Init();
}


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


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

  myPoint1 = GEOM::GEOM_Object::_nil();
  myPoint2 = GEOM::GEOM_Object::_nil();

  /* Get setting of step value from file configuration */
  SUIT_ResourceMgr* resMgr = SUIT_Session::session()->resourceMgr();
  double step = resMgr->doubleValue( "Geometry", "SettingsGeomStep", 100);
 
  /* min, max, step and decimals for spin boxes */
  GroupDimensions->SpinBox_DX->RangeStepAndValidator(-999.999, 999.999, step, 3);
  GroupDimensions->SpinBox_DY->RangeStepAndValidator(-999.999, 999.999, step, 3);
  GroupDimensions->SpinBox_DZ->RangeStepAndValidator(-999.999, 999.999, step, 3);

  double dx( 0. ), dy( 0. ), dz( 200. );
  GroupDimensions->SpinBox_DX->SetValue( dx );
  GroupDimensions->SpinBox_DY->SetValue( dy );
  GroupDimensions->SpinBox_DZ->SetValue( dz );

  GroupDimensions->CheckBox1->setChecked(FALSE);

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

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

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

  connect(GroupDimensions->SpinBox_DX, SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox(double)));
  connect(GroupDimensions->SpinBox_DY, SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox(double)));
  connect(GroupDimensions->SpinBox_DZ, SIGNAL(valueChanged(double)), this, SLOT(ValueChangedInSpinBox(double)));

  connect(myGeometryGUI, SIGNAL(SignalDefaultStepValueChanged(double)), GroupDimensions->SpinBox_DX, SLOT(SetStep(double)));
  connect(myGeometryGUI, SIGNAL(SignalDefaultStepValueChanged(double)), GroupDimensions->SpinBox_DY, SLOT(SetStep(double)));
  connect(myGeometryGUI, SIGNAL(SignalDefaultStepValueChanged(double)), GroupDimensions->SpinBox_DZ, SLOT(SetStep(double)));

  connect(GroupDimensions->CheckBox1, SIGNAL(stateChanged(int)), this, SLOT(ReverseVector(int)));

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

  initName( tr("GEOM_VECTOR") );

  GroupDimensions->hide();
  ConstructorsClicked( 0 );
}


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

  switch (constructorId)
    {
    case 0:
      {
	GroupDimensions->hide();
	resize(0, 0);
	GroupPoints->show();

	myEditCurrentArgument = GroupPoints->LineEdit1;
	GroupPoints->LineEdit1->setText("");
 	GroupPoints->LineEdit2->setText("");

	globalSelection( GEOM_POINT );
	connect(((SalomeApp_Application*)(SUIT_Session::session()->activeApplication()))->selectionMgr(), 
		SIGNAL(currentSelectionChanged()), this, SLOT(SelectionIntoArgument()));
	break;
      }
    case 1:
      {
	GroupPoints->hide();
	resize( 0, 0 );
	GroupDimensions->show();
	
	double dx( 0. ), dy( 0. ), dz( 0. ); 
	GroupDimensions->SpinBox_DX->SetValue( dx );
	GroupDimensions->SpinBox_DY->SetValue( dy );
	GroupDimensions->SpinBox_DZ->SetValue( dz );

	GroupDimensions->CheckBox1->setChecked( FALSE );
	break;
      }
    }

  displayPreview();
}


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

//=======================================================================
// function : ClickOnCancel()
// purpose  :
//=======================================================================
void BasicGUI_VectorDlg::ClickOnCancel()
{
  GEOMBase_Skeleton::ClickOnCancel();
}

//=================================================================================
// function : ClickOnApply()
// purpose  :
//=================================================================================
bool BasicGUI_VectorDlg::ClickOnApply()
{
  buttonApply->setFocus();

  if ( !onAccept() )
    return false;

  initName();
  if ( getConstructorId() != 1 )
  	ConstructorsClicked( getConstructorId() );
  return true;
}


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

  if ( IObjectCount() != 1 ) 
  {
    if ( myEditCurrentArgument == GroupPoints->LineEdit1 )
      myPoint1 = GEOM::GEOM_Object::_nil();
    else if ( myEditCurrentArgument == GroupPoints->LineEdit2 )
      myPoint2 = 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 == GroupPoints->LineEdit1 ) myPoint1 = aSelectedObject;
    else if ( myEditCurrentArgument == GroupPoints->LineEdit2 ) myPoint2 = aSelectedObject;
  }

  displayPreview();
}


//=================================================================================
// function : SetEditCurrentArgument()
// purpose  :
//=================================================================================
void BasicGUI_VectorDlg::SetEditCurrentArgument()
{
  QPushButton* send = (QPushButton*)sender();
  if      ( send == GroupPoints->PushButton1 ) myEditCurrentArgument = GroupPoints->LineEdit1;
  else if ( send == GroupPoints->PushButton2 ) myEditCurrentArgument = GroupPoints->LineEdit2;
  myEditCurrentArgument->setFocus();
  SelectionIntoArgument();
}


//=================================================================================
// function : LineEditReturnPressed()
// purpose  :
//=================================================================================
void BasicGUI_VectorDlg::LineEditReturnPressed()
{ 
  QLineEdit* send = (QLineEdit*)sender();
  if      ( send == GroupPoints->LineEdit1 ) myEditCurrentArgument = GroupPoints->LineEdit1;
  else if ( send == GroupPoints->LineEdit2 ) myEditCurrentArgument = GroupPoints->LineEdit2;
  else return;
  GEOMBase_Skeleton::LineEditReturnPressed();
}


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

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

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

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

//=================================================================================
// function : ReverseVector()
// purpose  : 'state' not used here
//=================================================================================
void BasicGUI_VectorDlg::ReverseVector(int state)
{
  double dx = -GroupDimensions->SpinBox_DX->GetValue();
  double dy = -GroupDimensions->SpinBox_DY->GetValue();
  double dz = -GroupDimensions->SpinBox_DZ->GetValue();

  GroupDimensions->SpinBox_DX->SetValue( dx );
  GroupDimensions->SpinBox_DY->SetValue( dy );
  GroupDimensions->SpinBox_DZ->SetValue( dz );
  
  displayPreview();
}

//=================================================================================
// function : createOperation
// purpose  :
//=================================================================================
GEOM::GEOM_IOperations_ptr BasicGUI_VectorDlg::createOperation()
{
  return myGeometryGUI->GetGeomGen()->GetIBasicOperations( getStudyId() );
}

//=================================================================================
// function : isValid
// purpose  :
//=================================================================================
bool BasicGUI_VectorDlg::isValid( QString& msg )
{
  return getConstructorId() == 0 ? !myPoint1->_is_nil() && !myPoint2->_is_nil(): true;
}

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

  switch ( getConstructorId() ) {
  case 0 :
    anObj = GEOM::GEOM_IBasicOperations::_narrow( getOperation() )->MakeVectorTwoPnt( myPoint1, myPoint2 );
    res = true;
    break;

  case 1 :
    {
      double dx = GroupDimensions->SpinBox_DX->GetValue();
      double dy = GroupDimensions->SpinBox_DY->GetValue();
      double dz = GroupDimensions->SpinBox_DZ->GetValue();
      anObj = GEOM::GEOM_IBasicOperations::_narrow( getOperation() )->MakeVectorDXDYDZ( dx,dy,dz );
      res = true;
      break;
    }
  }

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

  return res;
}