qgsbearingnumericformat.cpp

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/***************************************************************************
                             qgsbearingnumericformat.cpp
                             ----------------------------
    begin                : January 2020
    copyright            : (C) 2020 by Nyall Dawson
    email                : nyall dot dawson at gmail dot com
 
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsbearingnumericformat.h"
#include "qgis.h"
 
 
QgsBearingNumericFormat::QgsBearingNumericFormat()
{
}
 
QString QgsBearingNumericFormat::id() const
{
  return QStringLiteral( "bearing" );
}
 
QString QgsBearingNumericFormat::visibleName() const
{
  return QObject::tr( "Bearing" );
}
 
int QgsBearingNumericFormat::sortKey()
{
  return QgsNumericFormat::sortKey();
}
 
double QgsBearingNumericFormat::suggestSampleValue() const
{
  return 270.123;
}
 
QString QgsBearingNumericFormat::formatDouble( double value, const QgsNumericFormatContext &context ) const
{
  switch ( mDirectionFormat )
  {
    case UseRange0To180WithEWDirectionalSuffix:
    {
      value = fmod( value, 360.0 );
      if ( value > 180 )
        value -= 360;
 
      QString res = QgsBasicNumericFormat::formatDouble( std::fabs( value ), context );
 
      if ( res != QLatin1String( "0" ) && res != QLatin1String( "180" ) )
        // TODO also test for 0.000, 180.000, etc
        res += QChar( 176 ) + ( value < 0 ? QObject::tr( "W" ) : QObject::tr( "E" ) );
      else
        res += QChar( 176 );
 
      return res;
    }
 
    case UseRangeNegative180ToPositive180:
    {
      value = fmod( value, 360.0 );
      if ( value > 180 )
        value -= 360;
      if ( value < -180 )
        value += 360;
 
      return QgsBasicNumericFormat::formatDouble( value, context ) + QChar( 176 );
    }
 
    case UseRange0To360:
      value = fmod( value, 360.0 );
      if ( value < 0 )
        value += 360;
      return QgsBasicNumericFormat::formatDouble( value, context ) + QChar( 176 );
  }
 
  return QgsBasicNumericFormat::formatDouble( value, context );
}
 
QgsBearingNumericFormat *QgsBearingNumericFormat::clone() const
{
  return new QgsBearingNumericFormat( *this );
}
 
QgsNumericFormat *QgsBearingNumericFormat::create( const QVariantMap &configuration, const QgsReadWriteContext &context ) const
{
  std::unique_ptr< QgsBearingNumericFormat > res = std::make_unique< QgsBearingNumericFormat >();
  res->setConfiguration( configuration, context );
  res->mDirectionFormat = static_cast< FormatDirectionOption >( configuration.value( QStringLiteral( "direction_format" ), 0 ).toInt() );
  return res.release();
}
 
QVariantMap QgsBearingNumericFormat::configuration( const QgsReadWriteContext &context ) const
{
  QVariantMap res = QgsBasicNumericFormat::configuration( context );
  res.insert( QStringLiteral( "direction_format" ), static_cast< int >( mDirectionFormat ) );
  return res;
}
 
QgsBearingNumericFormat::FormatDirectionOption QgsBearingNumericFormat::directionFormat() const
{
  return mDirectionFormat;
}
 
void QgsBearingNumericFormat::setDirectionFormat( FormatDirectionOption directionFormat )
{
  mDirectionFormat = directionFormat;
}
 
void QgsBearingNumericFormat::setConfiguration( const QVariantMap &configuration, const QgsReadWriteContext &context )
{
  QgsBasicNumericFormat::setConfiguration( configuration, context );
  mDirectionFormat = static_cast< FormatDirectionOption >( configuration.value( QStringLiteral( "direction_format" ), 0 ).toInt() );
}