// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH
//                     Planckstr. 1, 64291 Darmstadt, Germany
// Contact:            http://go4.gsi.de
//-----------------------------------------------------------------------
// This software can be used under the license agreements as stated
// in Go4License.txt file which is part of the distribution.
//-----------------------------------------------------------------------

#include "QFitParCfgWidget.h"

#include "QFitItem.h"
#include "TGo4FitParsList.h"
#include "TGo4FitParameter.h"


QFitParCfgWidget::QFitParCfgWidget(QWidget *parent, const char *name)
         : QFitWidget(parent, name)
{
   setupUi(this);
   QObject::connect(ParNameEdit, &QGo4LineEdit::textChanged, this, &QFitParCfgWidget::ParNameEdit_textChanged);
   QObject::connect(ParFixedChk, &QCheckBox::toggled, this, &QFitParCfgWidget::ParFixedChk_toggled);
   QObject::connect(RangeMinEdit, &QGo4LineEdit::textChanged, this, &QFitParCfgWidget::RangeMinEdit_textChanged);
   QObject::connect(RangeMaxEdit, &QGo4LineEdit::textChanged, this, &QFitParCfgWidget::RangeMaxEdit_textChanged);
   QObject::connect(EpsilonEdit, &QGo4LineEdit::textChanged, this, &QFitParCfgWidget::EpsilonEdit_textChanged);
}


TGo4FitParameter *QFitParCfgWidget::GetPar()
{
   return dynamic_cast<TGo4FitParameter *>(GetObject());
}

void QFitParCfgWidget::FillSpecificData()
{
  if (GetPar()) {
     ParNameEdit->setText(GetPar()->GetName());
     ParFixedChk->setChecked(GetPar()->GetFixed());
     Double_t min,max;
     if (GetPar()->GetRange(min,max)) {
        RangeMinEdit->setText(QString::number(min));
        RangeMaxEdit->setText(QString::number(max));
     } else {
        RangeMinEdit->setText("");
        RangeMaxEdit->setText("");
     }
     Double_t eps;
     if (GetPar()->GetEpsilon(eps)) EpsilonEdit->setText(QString::number(eps));
                               else EpsilonEdit->setText("");
  }
}

void QFitParCfgWidget::AnalyzeRangeValues()
{
   if (RangeMinEdit->text().isEmpty() && RangeMaxEdit->text().isEmpty()) {
      GetPar()->SetRangeUse(kFALSE);
      return;
   }
   bool okmin = false, okmax = false;

   double min = RangeMinEdit->text().toDouble(&okmin);
   double max = RangeMaxEdit->text().toDouble(&okmax);

   if (RangeMinEdit->text().isEmpty()) {
      min = max;
      okmin = okmax;
   }
   if (RangeMaxEdit->text().isEmpty()) {
      max = min;
      okmax = okmin;
   }

  if (okmin && okmax)
    GetPar()->SetRange(min,max);
}


void QFitParCfgWidget::ParNameEdit_textChanged( const QString & name)
{
  if(!fbFillWidget && GetPar() && (name.length() > 0)) {
      TGo4FitParsList* pars = dynamic_cast<TGo4FitParsList*> (GetItem()->Parent()->Object());
      if (!pars) return;
      if (pars->FindPar(name.toLatin1().constData())) return;
      GetPar()->SetName(name.toLatin1().constData());
      GetItem()->setText(0,name.toLatin1().constData());
  }
}


void QFitParCfgWidget::ParFixedChk_toggled( bool chk)
{
  if(!fbFillWidget && GetPar())
    GetPar()->SetFixed(chk);
}

void QFitParCfgWidget::RangeMinEdit_textChanged( const QString &)
{
  if(!fbFillWidget && GetPar())
     AnalyzeRangeValues();
}

void QFitParCfgWidget::RangeMaxEdit_textChanged( const QString &)
{
  if(!fbFillWidget && GetPar())
    AnalyzeRangeValues();
}

void QFitParCfgWidget::EpsilonEdit_textChanged( const QString & value)
{
   if (!fbFillWidget && GetPar()) {
      if (value.isEmpty()) {
         GetPar()->SetEpsilonUse(kFALSE);
      } else {
         bool res = false;
         double zn = value.toDouble(&res);
         if (res)
            GetPar()->SetEpsilon(zn);
      }
   }
}