C++ (Cpp) QgsInterval::days Beispiele

Beispiel #1

Datei: qgsexpression.cpp Projekt: lyhkop/QGIS

QString QgsExpression::formatPreviewString( const QVariant &value )
{
  static const int MAX_PREVIEW = 60;

  if ( value.canConvert<QgsGeometry>() )
  {
    //result is a geometry
    QgsGeometry geom = value.value<QgsGeometry>();
    if ( geom.isNull() )
      return tr( "<i>&lt;empty geometry&gt;</i>" );
    else
      return tr( "<i>&lt;geometry: %1&gt;</i>" ).arg( QgsWkbTypes::displayString( geom.constGet()->wkbType() ) );
  }
  else if ( !value.isValid() )
  {
    return tr( "<i>NULL</i>" );
  }
  else if ( value.canConvert< QgsFeature >() )
  {
    //result is a feature
    QgsFeature feat = value.value<QgsFeature>();
    return tr( "<i>&lt;feature: %1&gt;</i>" ).arg( feat.id() );
  }
  else if ( value.canConvert< QgsInterval >() )
  {
    //result is a feature
    QgsInterval interval = value.value<QgsInterval>();
    return tr( "<i>&lt;interval: %1 days&gt;</i>" ).arg( interval.days() );
  }
  else if ( value.canConvert< QgsGradientColorRamp >() )
  {
    return tr( "<i>&lt;gradient ramp&gt;</i>" );
  }
  else if ( value.type() == QVariant::Date )
  {
    QDate dt = value.toDate();
    return tr( "<i>&lt;date: %1&gt;</i>" ).arg( dt.toString( QStringLiteral( "yyyy-MM-dd" ) ) );
  }
  else if ( value.type() == QVariant::Time )
  {
    QTime tm = value.toTime();
    return tr( "<i>&lt;time: %1&gt;</i>" ).arg( tm.toString( QStringLiteral( "hh:mm:ss" ) ) );
  }
  else if ( value.type() == QVariant::DateTime )
  {
    QDateTime dt = value.toDateTime();
    return tr( "<i>&lt;datetime: %1&gt;</i>" ).arg( dt.toString( QStringLiteral( "yyyy-MM-dd hh:mm:ss" ) ) );
  }
  else if ( value.type() == QVariant::String )
  {
    QString previewString = value.toString();
    if ( previewString.length() > MAX_PREVIEW + 3 )
    {
      return tr( "'%1…'" ).arg( previewString.left( MAX_PREVIEW ) );
    }
    else
    {
      return previewString.prepend( '\'' ).append( '\'' );
    }
  }
  else if ( value.type() == QVariant::Map )
  {
    QString mapStr;
    const QVariantMap map = value.toMap();
    for ( QVariantMap::const_iterator it = map.constBegin(); it != map.constEnd(); ++it )
    {
      if ( !mapStr.isEmpty() ) mapStr.append( ", " );
      mapStr.append( it.key() ).append( ": " ).append( formatPreviewString( it.value() ) );
      if ( mapStr.length() > MAX_PREVIEW + 3 )
      {
        mapStr = QString( tr( "%1…" ) ).arg( mapStr.left( MAX_PREVIEW ) );
        break;
      }
    }
    return tr( "<i>&lt;map: %1&gt;</i>" ).arg( mapStr );
  }
  else if ( value.type() == QVariant::List || value.type() == QVariant::StringList )
  {
    QString listStr;
    const QVariantList list = value.toList();
    for ( QVariantList::const_iterator it = list.constBegin(); it != list.constEnd(); ++it )
    {
      if ( !listStr.isEmpty() ) listStr.append( ", " );
      listStr.append( formatPreviewString( *it ) );
      if ( listStr.length() > MAX_PREVIEW + 3 )
      {
        listStr = QString( tr( "%1…" ) ).arg( listStr.left( MAX_PREVIEW ) );
        break;
      }
    }
    return tr( "<i>&lt;array: %1&gt;</i>" ).arg( listStr );
  }
  else
  {
    return value.toString();
  }
}

Beispiel #2

Datei: qgsexpression.cpp Projekt: phborba/QGIS

QString QgsExpression::formatPreviewString( const QVariant &value, const bool htmlOutput )
{
  static const int MAX_PREVIEW = 60;

  const QString startToken = htmlOutput ? QStringLiteral( "<i>&lt;" ) : QStringLiteral( "<" );
  const QString endToken = htmlOutput ? QStringLiteral( "&gt;</i>" ) : QStringLiteral( ">" );

  if ( value.canConvert<QgsGeometry>() )
  {
    //result is a geometry
    QgsGeometry geom = value.value<QgsGeometry>();
    if ( geom.isNull() )
      return startToken + tr( "empty geometry" ) + endToken;
    else
      return startToken + tr( "geometry: %1" ).arg( QgsWkbTypes::displayString( geom.constGet()->wkbType() ) )
             + endToken;
  }
  else if ( value.value< QgsWeakMapLayerPointer >().data() )
  {
    return startToken + tr( "map layer" ) + endToken;
  }
  else if ( !value.isValid() )
  {
    return htmlOutput ? tr( "<i>NULL</i>" ) : QString();
  }
  else if ( value.canConvert< QgsFeature >() )
  {
    //result is a feature
    QgsFeature feat = value.value<QgsFeature>();
    return startToken + tr( "feature: %1" ).arg( feat.id() ) + endToken;
  }
  else if ( value.canConvert< QgsInterval >() )
  {
    //result is a feature
    QgsInterval interval = value.value<QgsInterval>();
    return startToken + tr( "interval: %1 days" ).arg( interval.days() ) + endToken;
  }
  else if ( value.canConvert< QgsGradientColorRamp >() )
  {
    return startToken + tr( "gradient ramp" ) + endToken;
  }
  else if ( value.type() == QVariant::Date )
  {
    QDate dt = value.toDate();
    return startToken + tr( "date: %1" ).arg( dt.toString( QStringLiteral( "yyyy-MM-dd" ) ) ) + endToken;
  }
  else if ( value.type() == QVariant::Time )
  {
    QTime tm = value.toTime();
    return startToken + tr( "time: %1" ).arg( tm.toString( QStringLiteral( "hh:mm:ss" ) ) ) + endToken;
  }
  else if ( value.type() == QVariant::DateTime )
  {
    QDateTime dt = value.toDateTime();
    return startToken + tr( "datetime: %1" ).arg( dt.toString( QStringLiteral( "yyyy-MM-dd hh:mm:ss" ) ) ) + endToken;
  }
  else if ( value.type() == QVariant::String )
  {
    const QString previewString = value.toString();
    if ( previewString.length() > MAX_PREVIEW + 3 )
    {
      return tr( "'%1…'" ).arg( previewString.left( MAX_PREVIEW ) );
    }
    else
    {
      return '\'' + previewString + '\'';
    }
  }
  else if ( value.type() == QVariant::Map )
  {
    QString mapStr = QStringLiteral( "{" );
    const QVariantMap map = value.toMap();
    QString separator;
    for ( QVariantMap::const_iterator it = map.constBegin(); it != map.constEnd(); ++it )
    {
      mapStr.append( separator );
      if ( separator.isEmpty() )
        separator = QStringLiteral( "," );

      mapStr.append( QStringLiteral( " '%1': %2" ).arg( it.key(), formatPreviewString( it.value(), htmlOutput ) ) );
      if ( mapStr.length() > MAX_PREVIEW - 3 )
      {
        mapStr = tr( "%1…" ).arg( mapStr.left( MAX_PREVIEW - 2 ) );
        break;
      }
    }
    if ( !map.empty() )
      mapStr += QStringLiteral( " " );
    mapStr += QStringLiteral( "}" );
    return mapStr;
  }
  else if ( value.type() == QVariant::List || value.type() == QVariant::StringList )
  {
    QString listStr = QStringLiteral( "[" );
    const QVariantList list = value.toList();
    QString separator;
    for ( const QVariant &arrayValue : list )
    {
      listStr.append( separator );
      if ( separator.isEmpty() )
        separator = QStringLiteral( "," );

      listStr.append( " " );
      listStr.append( formatPreviewString( arrayValue, htmlOutput ) );
      if ( listStr.length() > MAX_PREVIEW - 3 )
      {
        listStr = QString( tr( "%1…" ) ).arg( listStr.left( MAX_PREVIEW - 2 ) );
        break;
      }
    }
    if ( !list.empty() )
      listStr += QStringLiteral( " " );
    listStr += QStringLiteral( "]" );
    return listStr;
  }
  else
  {
    return value.toString();
  }
}