// **************************************************************************
// 
//  (C) Copyright 2009   Swiss SIMTEC AG
// 
// **************************************************************************
// 
//  $HeadURL$
//  $LastChangedBy$
//  $LastChangedDate$
//  $LastChangedRevision$
//   
// **************************************************************************
 
#include "LogViewValueEdit.hpp"
#include "LogViewField.hpp"
#include "LogViewTelegram.hpp"

namespace N_LogView
{

// ---------------------------------------------------------------
LogViewValueEdit::LogViewValueEdit(LogViewField* a_field, QWidget* a_parent, const bool a_readonly)
  : QLineEdit(a_parent)
  , LogViewWidget(a_field, this, a_parent, a_readonly)
  , m_IsFloat(false)
{
  const LogViewXdrStandardType *stdType = static_cast<const LogViewXdrStandardType*>(m_Field->xdrElement());
  m_IsFloat = (LogViewXdrStandardType::e_Float == stdType->getValueKind());

  const QString valueText = a_field->value(0);

  setText(valueText);

  //  checkAndOvertakeContent();
  updateToolTip(valueText);

  // make proper width of widget
  QFontMetrics fm(font());
#if QT_VERSION < QT_VERSION_CHECK(5, 11, 0)
  setMinimumWidth(fm.width(QLatin1Char(' ') + valueText + QLatin1Char(' ')));
#else
  setMinimumWidth(fm.horizontalAdvance(QLatin1Char(' ') + valueText + QLatin1Char(' ')));
#endif

  if (a_readonly)
  {
    setReadOnly(true);
    setAlignment(a_field->isRightAligned() ? Qt::AlignRight : Qt::AlignLeft);
  }
  else
  {
    connect(this, &LogViewValueEdit::editingFinished,
            this, &LogViewValueEdit::checkAndOvertakeContent);
  }
}


// ---------------------------------------------------------------
void LogViewValueEdit::checkAndOvertakeContent()
{
  bool ok;
  int64_t intValue = 0;
  double floatValue = 0.0;

  // get the calculated and checked value
  if (m_IsFloat)
    floatValue = getFloat(text(), (uint64_t&)intValue, ok);
  else
    intValue = getInteger(text(), ok);

  // handle errors
  if (!ok)
  {
    setFocus();
    selectAll();
    return; // abort
  }

  // update
  if (m_IsFloat)
    setText(QString::number(floatValue));
  else
    setText(QString::number(intValue));

  updateToolTip(text());
}


// ---------------------------------------------------------------
// Writes the content into telegram.
// Returns true if successful.
// ---------------------------------------------------------------
bool LogViewValueEdit::saveContent(LogViewTelegram* a_telegram)
{
  if (m_Valid)
  {
    bool ok;
    if (m_IsFloat)
    {
      // save the float or double-value
      uint64_t valueAsUint64;
      const double value = getFloat(text(), valueAsUint64, ok);
      if (ok)
      {
        if (a_telegram->isJsonTelegram())
        {
          a_telegram->setJsonValue(m_Field->jsonPath(), value);
        }
        else
        {
          const LogViewXdrStandardType *stdType = static_cast<const LogViewXdrStandardType*>(m_Field->xdrElement());
          LogViewXdrStandardType::E_ByteOrder byteOrder = stdType->getByteOrder();
          a_telegram->setUIntX(getSize(), valueAsUint64, byteOrder);
        }
        return true;
      }
    }
    else
    {
      // save the integer-value
      qint64 intValue = getInteger(text(), ok);
      if (ok)
      {
        if (a_telegram->isJsonTelegram())
          a_telegram->setJsonValue(m_Field->jsonPath(), intValue);
        else
          a_telegram->setUIntX(getSize(), intValue);
        return true;
      }
    }
  }
  return false;
}

} // namespace N_LogView