Esempio n. 1
0
void QgsFeatureAction::onFeatureSaved( const QgsFeature& feature )
{
  QgsAttributeForm* form = qobject_cast<QgsAttributeForm*>( sender() );
  Q_UNUSED( form ) // only used for Q_ASSERT
  Q_ASSERT( form );

  // Assign provider generated values
  if ( mFeature )
    *mFeature = feature;

  mFeatureSaved = true;

  QSettings settings;
  bool reuseLastValues = settings.value( "/qgis/digitizing/reuseLastValues", false ).toBool();
  QgsDebugMsg( QString( "reuseLastValues: %1" ).arg( reuseLastValues ) );

  if ( reuseLastValues )
  {
    QgsFields fields = mLayer->fields();
    for ( int idx = 0; idx < fields.count(); ++idx )
    {
      QgsAttributes newValues = feature.attributes();
      QgsAttributeMap origValues = sLastUsedValues[ mLayer ];
      if ( origValues[idx] != newValues.at( idx ) )
      {
        QgsDebugMsg( QString( "saving %1 for %2" ).arg( sLastUsedValues[ mLayer ][idx].toString() ).arg( idx ) );
        sLastUsedValues[ mLayer ][idx] = newValues.at( idx );
      }
    }
  }
}
Esempio n. 2
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QSizeF QgsHistogramDiagram::diagramSize( const QgsAttributes& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s )
{
  Q_UNUSED( c );
  QSizeF size;

  if ( attributes.isEmpty() )
  {
    return QSizeF(); //zero size if no attributes
  }

  double maxValue = attributes.at( 0 ).toDouble();

  for ( int i = 0; i < attributes.count(); ++i )
  {
    maxValue = qMax( attributes.at( i ).toDouble(), maxValue );
  }

  switch ( s.diagramOrientation )
  {
    case QgsDiagramSettings::Up:
    case QgsDiagramSettings::Down:
      mScaleFactor = maxValue / s.size.height();
      size.scale( s.barWidth * s.categoryColors.size(), s.size.height(), Qt::IgnoreAspectRatio );
      break;

    case QgsDiagramSettings::Right:
    case QgsDiagramSettings::Left:
    default: // just in case...
      mScaleFactor = maxValue / s.size.width();
      size.scale( s.size.width(), s.barWidth * s.categoryColors.size(), Qt::IgnoreAspectRatio );
      break;
  }

  return size;
}
Esempio n. 3
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bool QgsVectorLayerImport::addFeature( QgsFeature& feat )
{
  QgsAttributes attrs = feat.attributes();

  QgsFeature newFeat;
  if ( feat.constGeometry() )
    newFeat.setGeometry( *feat.constGeometry() );

  newFeat.initAttributes( mAttributeCount );

  for ( int i = 0; i < attrs.count(); ++i )
  {
    // add only mapped attributes (un-mapped ones will not be present in the
    // destination layer)
    int dstIdx = mOldToNewAttrIdx.value( i, -1 );
    if ( dstIdx < 0 )
      continue;

    QgsDebugMsgLevel( QString( "moving field from pos %1 to %2" ).arg( i ).arg( dstIdx ), 3 );
    newFeat.setAttribute( dstIdx, attrs.at( i ) );
  }

  mFeatureBuffer.append( newFeat );

  if ( mFeatureBuffer.count() >= FEATURE_BUFFER_SIZE )
  {
    return flushBuffer();
  }

  return true;
}
Esempio n. 4
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QVariant RgSpeedProperter::property( double distance, const QgsFeature& f ) const
{
  QgsAttributes attrs = f.attributes();

  if ( mAttributeId < 0 || mAttributeId >= attrs.count() )
    return QVariant( distance / ( mDefaultValue*mToMetricFactor ) );

  double val = distance / ( attrs.at( mAttributeId ).toDouble() * mToMetricFactor );
  if ( val <= 0.0 )
    return QVariant( distance / ( mDefaultValue / mToMetricFactor ) );

  return QVariant( val );
}
Esempio n. 5
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bool QgsMapToolLabel::currentLabelDataDefinedPosition( double &x, bool &xSuccess, double &y, bool &ySuccess, int &xCol, int &yCol ) const
{
  QgsVectorLayer *vlayer = mCurrentLabel.layer;
  QgsFeatureId featureId = mCurrentLabel.pos.featureId;

  xSuccess = false;
  ySuccess = false;

  if ( !vlayer )
  {
    return false;
  }

  if ( mCurrentLabel.pos.isDiagram )
  {
    if ( !diagramMoveable( vlayer, xCol, yCol ) )
    {
      return false;
    }
  }
  else if ( !labelMoveable( vlayer, mCurrentLabel.settings, xCol, yCol ) )
  {
    return false;
  }

  QgsFeature f;
  if ( !vlayer->getFeatures( QgsFeatureRequest().setFilterFid( featureId ).setFlags( QgsFeatureRequest::NoGeometry ) ).nextFeature( f ) )
  {
    return false;
  }

  QgsAttributes attributes = f.attributes();
  if ( !attributes.at( xCol ).isNull() )
    x = attributes.at( xCol ).toDouble( &xSuccess );
  if ( !attributes.at( yCol ).isNull() )
    y = attributes.at( yCol ).toDouble( &ySuccess );

  return true;
}
QVariant QgsGraduatedSymbolRenderer::valueForFeature( QgsFeature &feature, QgsRenderContext &context ) const
{
  QgsAttributes attrs = feature.attributes();
  QVariant value;
  if ( mAttrNum < 0 || mAttrNum >= attrs.count() )
  {
    value = mExpression->evaluate( &context.expressionContext() );
  }
  else
  {
    value = attrs.at( mAttrNum );
  }

  return value;
}
QgsSymbolV2* QgsGraduatedSymbolRendererV2::originalSymbolForFeature( QgsFeature& feature, QgsRenderContext &context )
{
  Q_UNUSED( context );
  QgsAttributes attrs = feature.attributes();
  QVariant value;
  if ( mAttrNum < 0 || mAttrNum >= attrs.count() )
  {
    value = mExpression->evaluate( &context.expressionContext() );
  }
  else
  {
    value = attrs.at( mAttrNum );
  }

  // Null values should not be categorized
  if ( value.isNull() )
    return NULL;

  // find the right category
  return symbolForValue( value.toDouble() );
}
Esempio n. 8
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QWidget *QgsFormAnnotation::createDesignerWidget( const QString &filePath )
{
  QFile file( filePath );
  if ( !file.open( QFile::ReadOnly ) )
  {
    return nullptr;
  }

  QUiLoader loader;
  QFileInfo fi( file );
  loader.setWorkingDirectory( fi.dir() );
  QWidget *widget = loader.load( &file, nullptr );
  file.close();

  //get feature and set attribute information
  QgsAttributeEditorContext context;
  QgsVectorLayer *vectorLayer = qobject_cast< QgsVectorLayer * >( mapLayer() );
  if ( vectorLayer && associatedFeature().isValid() )
  {
    QgsFields fields = vectorLayer->fields();
    QgsAttributes attrs = associatedFeature().attributes();
    for ( int i = 0; i < attrs.count(); ++i )
    {
      if ( i < fields.count() )
      {
        QWidget *attWidget = widget->findChild<QWidget *>( fields.at( i ).name() );
        if ( attWidget )
        {
          QgsEditorWidgetWrapper *eww = QgsGui::editorWidgetRegistry()->create( vectorLayer, i, attWidget, widget, context );
          if ( eww )
          {
            eww->setValue( attrs.at( i ) );
          }
        }
      }
    }
  }
  return widget;
}
/**
 * Slot called when the index changes for the cboxEventImagePathField combo box.
 * \param index - The index of the new selected item
 */
void eVisGenericEventBrowserGui::cboxEventImagePathField_currentIndexChanged( int index )
{
  Q_UNUSED( index );
  if ( !mIgnoreEvent )
  {
    mConfiguration.setEventImagePathField( cboxEventImagePathField->currentText() );

    QgsFields myFields = mVectorLayer->fields();
    QgsFeature *myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );

    if ( !myFeature )
      return;

    QgsAttributes myAttrs = myFeature->attributes();
    for ( int i = 0; i < myAttrs.count(); ++i )
    {
      if ( myFields.at( i ).name() == cboxEventImagePathField->currentText() )
      {
        mEventImagePath = myAttrs.at( i ).toString();
      }
    }
  }
}
/**
 * Slot called when the index changes for the cboxCompassBearingField combo box.
 * @param theIndex - The index of the new selected item
 */
void eVisGenericEventBrowserGui::on_cboxCompassOffsetField_currentIndexChanged( int theIndex )
{
  Q_UNUSED( theIndex );
  if ( !mIgnoreEvent )
  {
    mConfiguration.setCompassOffsetField( cboxCompassOffsetField->currentText() );

    QgsFields myFields = mDataProvider->fields();
    QgsFeature* myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );

    if ( !myFeature )
      return;

    QgsAttributes myAttrs = myFeature->attributes();
    for ( int i = 0; i < myAttrs.count(); ++i )
    {
      if ( myFields.at( i ).name() == cboxCompassOffsetField->currentText() )
      {
        mCompassOffset = myAttrs.at( i ).toDouble();
      }
    }
  }
}
Esempio n. 11
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void QgsVectorDataProvider::fillMinMaxCache()
{
  if ( !mCacheMinMaxDirty )
    return;

  const QgsFields& flds = fields();
  for ( int i = 0; i < flds.count(); ++i )
  {
    if ( flds[i].type() == QVariant::Int )
    {
      mCacheMinValues[i] = QVariant( INT_MAX );
      mCacheMaxValues[i] = QVariant( INT_MIN );
    }
    else if ( flds[i].type() == QVariant::LongLong )
    {
      mCacheMinValues[i] = QVariant( std::numeric_limits<qlonglong>::max() );
      mCacheMaxValues[i] = QVariant( std::numeric_limits<qlonglong>::min() );
    }
    else if ( flds[i].type() == QVariant::Double )
    {
      mCacheMinValues[i] = QVariant( DBL_MAX );
      mCacheMaxValues[i] = QVariant( -DBL_MAX );
    }
    else
    {
      mCacheMinValues[i] = QVariant();
      mCacheMaxValues[i] = QVariant();
    }
  }

  QgsFeature f;
  QgsAttributeList keys = mCacheMinValues.keys();
  QgsFeatureIterator fi = getFeatures( QgsFeatureRequest().setSubsetOfAttributes( keys ) );

  while ( fi.nextFeature( f ) )
  {
    QgsAttributes attrs = f.attributes();
    for ( QgsAttributeList::const_iterator it = keys.begin(); it != keys.end(); ++it )
    {
      const QVariant& varValue = attrs.at( *it );

      if ( varValue.isNull() )
        continue;

      if ( flds[*it].type() == QVariant::Int )
      {
        int value = varValue.toInt();
        if ( value < mCacheMinValues[*it].toInt() )
          mCacheMinValues[*it] = value;
        if ( value > mCacheMaxValues[*it].toInt() )
          mCacheMaxValues[*it] = value;
      }
      else if ( flds[*it].type() == QVariant::LongLong )
      {
        qlonglong value = varValue.toLongLong();
        if ( value < mCacheMinValues[*it].toLongLong() )
          mCacheMinValues[*it] = value;
        if ( value > mCacheMaxValues[*it].toLongLong() )
          mCacheMaxValues[*it] = value;
      }
      else if ( flds[*it].type() == QVariant::Double )
      {
        double value = varValue.toDouble();
        if ( value < mCacheMinValues[*it].toDouble() )
          mCacheMinValues[*it] = value;
        if ( value > mCacheMaxValues[*it].toDouble() )
          mCacheMaxValues[*it] = value;
      }
      else
      {
        QString value = varValue.toString();
        if ( mCacheMinValues[*it].isNull() || value < mCacheMinValues[*it].toString() )
        {
          mCacheMinValues[*it] = value;
        }
        if ( mCacheMaxValues[*it].isNull() || value > mCacheMaxValues[*it].toString() )
        {
          mCacheMaxValues[*it] = value;
        }
      }
    }
  }

  mCacheMinMaxDirty = false;
}
Esempio n. 12
0
bool QgsWFSProvider::addFeatures( QgsFeatureList &flist )
{
  //create <Transaction> xml
  QDomDocument transactionDoc;
  QDomElement transactionElem = createTransactionElement( transactionDoc );
  transactionDoc.appendChild( transactionElem );

  //find out typename from uri and strip namespace prefix
  QString tname = mShared->mURI.typeName();
  if ( tname.isNull() )
  {
    return false;
  }
  removeNamespacePrefix( tname );

  //Add the features
  QgsFeatureList::iterator featureIt = flist.begin();
  for ( ; featureIt != flist.end(); ++featureIt )
  {
    //Insert element
    QDomElement insertElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Insert" );
    transactionElem.appendChild( insertElem );

    QDomElement featureElem = transactionDoc.createElementNS( mApplicationNamespace, tname );

    QgsAttributes featureAttributes = featureIt->attributes();
    int nAttrs = featureAttributes.size();
    for ( int i = 0; i < nAttrs; ++i )
    {
      const QVariant& value = featureAttributes.at( i );
      if ( value.isValid() && !value.isNull() )
      {
        QDomElement fieldElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mFields.at( i ).name() );
        QDomText fieldText = transactionDoc.createTextNode( value.toString() );
        fieldElem.appendChild( fieldText );
        featureElem.appendChild( fieldElem );
      }
    }

    //add geometry column (as gml)
    const QgsGeometry* geometry = featureIt->constGeometry();
    if ( geometry != nullptr )
    {
      QDomElement geomElem = transactionDoc.createElementNS( mApplicationNamespace, mShared->mGeometryAttribute );
      QgsGeometry the_geom( *geometry );
      // convert to multi if the layer geom type is multi and the geom is not
      if ( QGis::isMultiType( this->geometryType( ) ) && ! the_geom.isMultipart( ) )
      {
        the_geom.convertToMultiType();
      }
      QDomElement gmlElem = QgsOgcUtils::geometryToGML( &the_geom, transactionDoc );
      if ( !gmlElem.isNull() )
      {
        gmlElem.setAttribute( "srsName", crs().authid() );
        geomElem.appendChild( gmlElem );
        featureElem.appendChild( geomElem );
      }
    }

    insertElem.appendChild( featureElem );
  }

  QDomDocument serverResponse;
  bool success = sendTransactionDocument( transactionDoc, serverResponse );
  if ( !success )
  {
    return false;
  }

  if ( transactionSuccess( serverResponse ) )
  {
    //transaction successful. Add the features to the cache
    QStringList idList = insertedFeatureIds( serverResponse );
    QStringList::const_iterator idIt = idList.constBegin();
    featureIt = flist.begin();

    QVector<QgsWFSFeatureGmlIdPair> serializedFeatureList;
    for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt )
    {
      serializedFeatureList.push_back( QgsWFSFeatureGmlIdPair( *featureIt, *idIt ) );
    }
    mShared->serializeFeatures( serializedFeatureList );

    // And now set the feature id from the one got from the database
    QMap< QString, QgsFeatureId > map;
    for ( int idx = 0; idx < serializedFeatureList.size(); idx++ )
      map[ serializedFeatureList[idx].second ] = serializedFeatureList[idx].first.id();

    idIt = idList.constBegin();
    featureIt = flist.begin();
    for ( ; idIt != idList.constEnd() && featureIt != flist.end(); ++idIt, ++featureIt )
    {
      if ( map.find( *idIt ) != map.end() )
        featureIt->setFeatureId( map[*idIt] );
    }

    return true;
  }
  else
  {
    handleException( serverResponse );
    return false;
  }
}
Esempio n. 13
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QString QgsClipboard::generateClipboardText() const
{
  QgsSettings settings;
  CopyFormat format = AttributesWithWKT;
  if ( settings.contains( QStringLiteral( "/qgis/copyFeatureFormat" ) ) )
    format = static_cast< CopyFormat >( settings.value( QStringLiteral( "qgis/copyFeatureFormat" ), true ).toInt() );
  else
  {
    //old format setting
    format = settings.value( QStringLiteral( "qgis/copyGeometryAsWKT" ), true ).toBool() ? AttributesWithWKT : AttributesOnly;
  }

  switch ( format )
  {
    case AttributesOnly:
    case AttributesWithWKT:
    {
      QStringList textLines;
      QStringList textFields;

      // first do the field names
      if ( format == AttributesWithWKT )
      {
        textFields += QStringLiteral( "wkt_geom" );
      }

      Q_FOREACH ( const QgsField &field, mFeatureFields )
      {
        textFields += field.name();
      }
      textLines += textFields.join( QStringLiteral( "\t" ) );
      textFields.clear();

      // then the field contents
      for ( QgsFeatureList::const_iterator it = mFeatureClipboard.constBegin(); it != mFeatureClipboard.constEnd(); ++it )
      {
        QgsAttributes attributes = it->attributes();

        // TODO: Set up Paste Transformations to specify the order in which fields are added.
        if ( format == AttributesWithWKT )
        {
          if ( it->hasGeometry() )
            textFields += it->geometry().exportToWkt();
          else
          {
            textFields += QgsApplication::nullRepresentation();
          }
        }

        // QgsDebugMsg("about to traverse fields.");
        for ( int idx = 0; idx < attributes.count(); ++idx )
        {
          // QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
          textFields += attributes.at( idx ).toString();
        }

        textLines += textFields.join( QStringLiteral( "\t" ) );
        textFields.clear();
      }

      return textLines.join( QStringLiteral( "\n" ) );
    }
    case GeoJSON:
    {
      QgsJSONExporter exporter;
      exporter.setSourceCrs( mCRS );
      return exporter.exportFeatures( mFeatureClipboard );
    }
  }
  return QString();
}
Esempio n. 14
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void QgsMergeAttributesDialog::createTableWidgetContents()
{
  //get information about attributes from vector layer
  if ( !mVectorLayer )
  {
    return;
  }

  //combo box row, attributes titles, feature values and current merge results
  mTableWidget->setRowCount( mFeatureList.size() + 2 );

  //create combo boxes and insert attribute names
  mFields = mVectorLayer->fields();

  int col = 0;
  mHiddenAttributes.clear();
  for ( int idx = 0; idx < mFields.count(); ++idx )
  {
    const QgsEditorWidgetSetup setup = QgsGui::editorWidgetRegistry()->findBest( mVectorLayer, mFields.at( idx ).name() );
    if ( setup.type() == QLatin1String( "Hidden" ) || setup.type() == QLatin1String( "Immutable" ) )
    {
      mHiddenAttributes.insert( idx );
      continue;
    }

    mTableWidget->setColumnCount( col + 1 );

    QComboBox *cb = createMergeComboBox( mFields.at( idx ).type() );
    if ( mFields.at( idx ).constraints().constraints() & QgsFieldConstraints::ConstraintUnique )
    {
      cb->setCurrentIndex( cb->findData( "skip" ) );
    }
    mTableWidget->setCellWidget( 0, col, cb );

    QTableWidgetItem *item = new QTableWidgetItem( mFields.at( idx ).name() );
    item->setData( FieldIndex, idx );
    mTableWidget->setHorizontalHeaderItem( col++, item );
  }

  //insert the attribute values
  QStringList verticalHeaderLabels; //the id column is in the
  verticalHeaderLabels << tr( "Id" );

  for ( int i = 0; i < mFeatureList.size(); ++i )
  {
    verticalHeaderLabels << FID_TO_STRING( mFeatureList[i].id() );

    QgsAttributes attrs = mFeatureList.at( i ).attributes();

    for ( int j = 0; j < mTableWidget->columnCount(); j++ )
    {
      int idx = mTableWidget->horizontalHeaderItem( j )->data( FieldIndex ).toInt();

      const QgsEditorWidgetSetup setup = mFields.at( idx ).editorWidgetSetup();
      const QgsFieldFormatter *formatter = QgsApplication::fieldFormatterRegistry()->fieldFormatter( setup.type() );
      QString stringVal = formatter->representValue( mVectorLayer, idx, setup.config(), QVariant(), attrs.at( idx ) );

      QTableWidgetItem *attributeValItem = new QTableWidgetItem( stringVal );
      attributeValItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
      mTableWidget->setItem( i + 1, j, attributeValItem );
    }
  }

  //merge
  verticalHeaderLabels << tr( "Merge" );
  mTableWidget->setVerticalHeaderLabels( verticalHeaderLabels );

  for ( int j = 0; j < mTableWidget->columnCount(); j++ )
  {
    QTableWidgetItem *mergedItem = new QTableWidgetItem();
    mergedItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsEditable );
    mTableWidget->setItem( mTableWidget->rowCount() - 1, j, mergedItem );
  }

  //insert currently merged values
  for ( int i = 0; i < mTableWidget->columnCount(); ++i )
  {
    refreshMergedValue( i );
  }

  //initially set any fields with default values/default value clauses to that value
  for ( int j = 0; j < mTableWidget->columnCount(); j++ )
  {
    int idx = mTableWidget->horizontalHeaderItem( j )->data( FieldIndex ).toInt();
    bool setToManual = false;
    if ( !mVectorLayer->dataProvider()->defaultValueClause( idx ).isEmpty() )
    {
      mTableWidget->item( mTableWidget->rowCount() - 1, j )->setData( Qt::DisplayRole, mVectorLayer->dataProvider()->defaultValueClause( idx ) );
      setToManual = true;
    }
    else
    {
      QVariant v = mVectorLayer->dataProvider()->defaultValue( idx );
      if ( v.isValid() )
      {
        mTableWidget->item( mTableWidget->rowCount() - 1, j )->setData( Qt::DisplayRole, v );
        setToManual = true;
      }
    }
    if ( setToManual )
    {
      QComboBox *currentComboBox = qobject_cast<QComboBox *>( mTableWidget->cellWidget( 0, j ) );
      if ( currentComboBox )
      {
        currentComboBox->blockSignals( true );
        currentComboBox->setCurrentIndex( currentComboBox->findData( "manual" ) );
        currentComboBox->blockSignals( false );
      }
    }
  }

}
Esempio n. 15
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bool QgsDb2Provider::addFeatures( QgsFeatureList & flist )
{
  QgsDebugMsg( "mGeometryColType: " + mGeometryColType );
  int writeCount = 0;
  bool copyOperation = false;

  if ( !mDatabase.isOpen() )
  {
    QString errMsg;
    mDatabase = getDatabase( mConnInfo, errMsg );
    if ( !errMsg.isEmpty() )
    {
      QgsDebugMsg( "getDatabase failed: " + errMsg );
      return false;
    }
  }
  if ( !mDatabase.transaction() )
  {
    QgsDebugMsg( "transaction failed" );
    return false;
  }
  QSqlQuery query = QSqlQuery( mDatabase );
  query.setForwardOnly( true );
  QSqlQuery queryFid = QSqlQuery( mDatabase );
  queryFid.setForwardOnly( true );

  QgsFeature it = flist.at( 0 );
  QString statement;
  QString values;
  statement = QString( "INSERT INTO %1.%2 (" ).arg( mSchemaName, mTableName );

  bool first = true;

// Get the first geometry and its wkbType as when we are doing drag/drop,
// the wkbType is not passed to the DB2 provider from QgsVectorLayerImport
// Can't figure out how to resolved "unreferenced" wkbType compile message
// Don't really do anything with it at this point
#if 0
  QgsGeometry *geom = it.geometry();
  QgsWkbTypes::Type wkbType = geom->wkbType();
  QgsDebugMsg( QString( "wkbType: %1" ).arg( wkbType ) );
  QgsDebugMsg( QString( "mWkbType: %1" ).arg( mWkbType ) );
#endif

  QgsAttributes attrs = it.attributes();
  QgsDebugMsg( QString( "attrs.count: %1" ).arg( attrs.count() ) );
  QgsDebugMsg( QString( "fields.count: %1" ).arg( mAttributeFields.count() ) );
  if ( mAttributeFields.count() == ( attrs.count() + 1 ) )
  {
    copyOperation = true; // FID is first field but no attribute in attrs
  }
  else if ( mAttributeFields.count() !=  attrs.count() )
  {
    QgsDebugMsg( "Count mismatch - failing" );
    return false;
  }


  if ( attrs.count() != mAttributeFields.count() )
  {
    QgsDebugMsg( "field counts don't match" );
//  return false;
  }

  for ( int i = 0; i < mAttributeFields.count(); ++i )
  {
    QgsField fld = mAttributeFields.at( i );
    QgsDebugMsg( QString( "i: %1; got field: %2" ).arg( i ).arg( fld.name() ) );

    if ( fld.name().isEmpty() )
      continue; // invalid

    if ( mFidColName == fld.name() )
      continue; // skip identity field

//      if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
//        continue; // skip fields having default values

    if ( !first )
    {
      statement += ',';
      values += ',';
    }
    else
      first = false;

    statement += QString( "%1" ).arg( fld.name() );
    values += QString( "?" );
  }

  // append geometry column name
  if ( !mGeometryColName.isEmpty() )
  {
    if ( !first )
    {
      statement += ',';
      values += ',';
    }

    statement += QString( "%1" ).arg( mGeometryColName );

    values += QString( "db2gse.%1(CAST (%2 AS BLOB(2M)),%3)" )
              .arg( mGeometryColType,
                    QString( "?" ),
                    QString::number( mSRId ) );
  }

  QgsDebugMsg( statement );
  QgsDebugMsg( values );
  statement += ") VALUES (" + values + ')';
  QgsDebugMsg( statement );

  QgsDebugMsg( "Prepare statement" );
  // use prepared statement to prevent from sql injection
  if ( !query.prepare( statement ) )
  {
    QString msg = query.lastError().text();
    QgsDebugMsg( msg );
    pushError( msg );
    return false;
  }


  for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it )
  {
    attrs = it->attributes();

    int fieldIdx = 0;
    if ( copyOperation )
    {
      fieldIdx = 1;  // skip first (FID) field if copying from shapefile
    }
    int bindIdx = 0;
    for ( int i = 0; i < attrs.count(); i++ )
    {
      QgsField fld = mAttributeFields.at( fieldIdx++ );
      if ( fld.name().isEmpty() )
        continue; // invalid

      if ( mFidColName == fld.name() )
        continue; // skip identity field

//      if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
//        continue; // skip fields having default values

      QVariant::Type type = fld.type();
      if ( attrs.at( i ).isNull() || !attrs.at( i ).isValid() )
      {
        // binding null values
        if ( type == QVariant::Date || type == QVariant::DateTime )
          query.bindValue( bindIdx,  QVariant( QVariant::String ) );
        else
          query.bindValue( bindIdx,  QVariant( type ) );
      }
      else if ( type == QVariant::Int )
      {
        // binding an INTEGER value
        query.bindValue( bindIdx,  attrs.at( i ).toInt() );
      }
      else if ( type == QVariant::Double )
      {
        // binding a DOUBLE value
        query.bindValue( bindIdx,  attrs.at( i ).toDouble() );
      }
      else if ( type == QVariant::String )
      {
        // binding a TEXT value
        query.bindValue( bindIdx,  attrs.at( i ).toString() );
      }
      else if ( type == QVariant::Time )
      {
        // binding a TIME value
        query.bindValue( bindIdx,  attrs.at( i ).toTime().toString( Qt::ISODate ) );
      }
      else if ( type == QVariant::Date )
      {
        // binding a DATE value
        query.bindValue( bindIdx,  attrs.at( i ).toDate().toString( Qt::ISODate ) );
      }
      else if ( type == QVariant::DateTime )
      {
        // binding a DATETIME value
        query.bindValue( bindIdx,  attrs.at( i ).toDateTime().toString( Qt::ISODate ) );
      }
      else
      {
        query.bindValue( bindIdx,  attrs.at( i ) );
      }

#if 0
      QgsDebugMsg( QString( "bound i: %1; name: %2; value: %3; bindIdx: %4" ).
                   arg( i ).arg( fld.name() ).arg( attrs.at( i ).toString() ).arg( bindIdx ) );
#endif
      bindIdx++;
    }

    if ( !mGeometryColName.isEmpty() )
    {
      QgsGeometry geom = it->geometry();

      QByteArray bytea = QByteArray(( char* )geom.asWkb(), ( int ) geom.wkbSize() );
      query.bindValue( bindIdx,  bytea, QSql::In | QSql::Binary );
    }

    QList<QVariant> list = query.boundValues().values();

// Show bound values
#if 0
    for ( int i = 0; i < list.size(); ++i )
    {
      QgsDebugMsg( QString( "i: %1; value: %2; type: %3" )
                   .arg( i ).arg( list.at( i ).toString().toLatin1().data() ).arg( list.at( i ).typeName() ) );
    }
#endif
    if ( !query.exec() )
    {
      QString msg = query.lastError().text();
      QgsDebugMsg( msg );
      if ( !mSkipFailures )
      {
        pushError( msg );
        return false;
      }
    }

    statement = QString( "select IDENTITY_VAL_LOCAL() AS IDENTITY "
                         "FROM SYSIBM.SYSDUMMY1" );
//    QgsDebugMsg( statement );
    if ( !queryFid.exec( statement ) )
    {
      QString msg = query.lastError().text();
      QgsDebugMsg( msg );
      if ( !mSkipFailures )
      {
        pushError( msg );
        return false;
      }
    }

    if ( !queryFid.next() )
    {
      QString msg = query.lastError().text();
      QgsDebugMsg( msg );
      if ( !mSkipFailures )
      {
        pushError( msg );
        return false;
      }
    }
    it->setFeatureId( queryFid.value( 0 ).toLongLong() );
    writeCount++;
//    QgsDebugMsg( QString( "count: %1; featureId: %2" ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
  }
  bool commitStatus = mDatabase.commit();
  QgsDebugMsg( QString( "commitStatus: %1; write count: %2; featureId: %3" )
               .arg( commitStatus ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
  if ( !commitStatus )
  {
    pushError( "Commit of new features failed" );
    return false;
  }
  return true;
}
Esempio n. 16
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QgsFeatureRequest QgsRelation::getReferencedFeatureRequest( const QgsAttributes &attributes ) const
{
  QStringList conditions;

  for ( const FieldPair &pair : qgis::as_const( d->mFieldPairs ) )
  {
    int referencingIdx = referencingLayer()->fields().indexFromName( pair.referencingField() );
    conditions << QgsExpression::createFieldEqualityExpression( pair.referencedField(), attributes.at( referencingIdx ) );
  }

  QgsFeatureRequest myRequest;

  QgsDebugMsg( QStringLiteral( "Filter conditions: '%1'" ).arg( conditions.join( " AND " ) ) );

  myRequest.setFilterExpression( conditions.join( QStringLiteral( " AND " ) ) );

  return myRequest;
}
/**
 * Display the attrbiutes for the current feature and load the image
 */
void eVisGenericEventBrowserGui::loadRecord()
{
  treeEventData->clear();

  //Get a pointer to the current feature
  QgsFeature* myFeature;
  myFeature = featureAtId( mFeatureIds.at( mCurrentFeatureIndex ) );

  if ( !myFeature )
    return;

  QString myCompassBearingField = cboxCompassBearingField->currentText();
  QString myCompassOffsetField = cboxCompassOffsetField->currentText();
  QString myEventImagePathField = cboxEventImagePathField->currentText();
  QgsFields myFields = mDataProvider->fields();
  QgsAttributes myAttrs = myFeature->attributes();
  //loop through the attributes and display their contents
  for ( int i = 0; i < myAttrs.count(); ++i )
  {
    QStringList myValues;
    QString fieldName = myFields.at( i ).name();
    myValues << fieldName << myAttrs.at( i ).toString();
    QTreeWidgetItem* myItem = new QTreeWidgetItem( myValues );
    if ( fieldName == myEventImagePathField )
    {
      mEventImagePath = myAttrs.at( i ).toString();
    }

    if ( fieldName == myCompassBearingField )
    {
      mCompassBearing = myAttrs.at( i ).toDouble();
    }

    if ( mConfiguration.isAttributeCompassOffsetSet() )
    {
      if ( fieldName == myCompassOffsetField )
      {
        mCompassOffset = myAttrs.at( i ).toDouble();
      }
    }
    else
    {
      mCompassOffset = 0.0;
    }

    //Check to see if the attribute is a know file type
    int myIterator = 0;
    while ( myIterator < tableFileTypeAssociations->rowCount() )
    {
      if ( tableFileTypeAssociations->item( myIterator, 0 ) && ( myAttrs.at( i ).toString().startsWith( tableFileTypeAssociations->item( myIterator, 0 )->text() + ':', Qt::CaseInsensitive ) || myAttrs.at( i ).toString().endsWith( tableFileTypeAssociations->item( myIterator, 0 )->text(), Qt::CaseInsensitive ) ) )
      {
        myItem->setBackground( 1, QBrush( QColor( 183, 216, 125, 255 ) ) );
        break;
      }
      else
        myIterator++;
    }
    treeEventData->addTopLevelItem( myItem );
  }
  //Modify EventImagePath as needed
  buildEventImagePath();

  //Request the image to be displayed in the browser
  displayImage();
}
Esempio n. 18
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void QgsMergeAttributesDialog::createTableWidgetContents()
{
  //get information about attributes from vector layer
  if ( !mVectorLayer )
  {
    return;
  }

  //combo box row, attributes titles, feature values and current merge results
  mTableWidget->setRowCount( mFeatureList.size() + 2 );

  //create combo boxes and insert attribute names
  mFields = mVectorLayer->fields();
  QSet<int> pkAttrList = mVectorLayer->pkAttributeList().toSet();

  int col = 0;
  mHiddenAttributes.clear();
  for ( int idx = 0; idx < mFields.count(); ++idx )
  {
    const QgsEditorWidgetSetup setup = QgsEditorWidgetRegistry::instance()->findBest( mVectorLayer, mFields.at( idx ).name() );
    if ( setup.type() == "Hidden" || setup.type() == "Immutable" )
    {
      mHiddenAttributes.insert( idx );
      continue;
    }

    mTableWidget->setColumnCount( col + 1 );

    QComboBox *cb = createMergeComboBox( mFields.at( idx ).type() );
    if ( pkAttrList.contains( idx ) )
    {
      cb->setCurrentIndex( cb->findData( "skip" ) );
    }
    mTableWidget->setCellWidget( 0, col, cb );

    QTableWidgetItem *item = new QTableWidgetItem( mFields.at( idx ).name() );
    item->setData( FieldIndex, idx );
    mTableWidget->setHorizontalHeaderItem( col++, item );
  }

  //insert the attribute values
  QStringList verticalHeaderLabels; //the id column is in the
  verticalHeaderLabels << tr( "Id" );

  QgsAttributeEditorContext context;

  for ( int i = 0; i < mFeatureList.size(); ++i )
  {
    verticalHeaderLabels << FID_TO_STRING( mFeatureList[i].id() );

    QgsAttributes attrs = mFeatureList.at( i ).attributes();

    for ( int j = 0; j < mTableWidget->columnCount(); j++ )
    {
      int idx = mTableWidget->horizontalHeaderItem( j )->data( FieldIndex ).toInt();

      QTableWidgetItem* attributeValItem = new QTableWidgetItem( attrs.at( idx ).toString() );
      attributeValItem->setFlags( Qt::ItemIsEnabled | Qt::ItemIsSelectable );
      mTableWidget->setItem( i + 1, j, attributeValItem );
      QgsEditorWidgetWrapper* eww = QgsEditorWidgetRegistry::instance()->create( mVectorLayer, idx, nullptr, mTableWidget, context );
      if ( eww )
      {
        eww->setValue( attrs.at( idx ) );
      }
      mTableWidget->setCellWidget( i + 1, j, eww->widget() );
    }
  }

  //merge
  verticalHeaderLabels << tr( "Merge" );
  mTableWidget->setVerticalHeaderLabels( verticalHeaderLabels );

  //insert currently merged values
  for ( int i = 0; i < mTableWidget->columnCount(); ++i )
  {
    refreshMergedValue( i );
  }
}
Esempio n. 19
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void QgsLabelPropertyDialog::init( const QString& layerId, const QString& providerId, int featureId, const QString& labelText )
{
  //get feature attributes
  QgsVectorLayer* vlayer = dynamic_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer( layerId ) );
  if ( !vlayer )
  {
    return;
  }
  if ( !vlayer->labeling() )
  {
    return;
  }

  if ( !vlayer->getFeatures( QgsFeatureRequest().setFilterFid( featureId ).setFlags( QgsFeatureRequest::NoGeometry ) ).nextFeature( mCurLabelFeat ) )
  {
    return;
  }
  QgsAttributes attributeValues = mCurLabelFeat.attributes();

  //get layerproperties. Problem: only for pallabeling...

  blockElementSignals( true );

  QgsPalLayerSettings layerSettings = vlayer->labeling()->settings( vlayer, providerId );

  //get label field and fill line edit
  if ( layerSettings.isExpression && !labelText.isNull() )
  {
    mLabelTextLineEdit->setText( labelText );
    mLabelTextLineEdit->setEnabled( false );
    mLabelTextLabel->setText( tr( "Expression result" ) );
  }
  else
  {
    QString labelFieldName = vlayer->customProperty( "labeling/fieldName" ).toString();
    if ( !labelFieldName.isEmpty() )
    {
      mCurLabelField = vlayer->fieldNameIndex( labelFieldName );
      if ( mCurLabelField >= 0 )
      {
        mLabelTextLineEdit->setText( attributeValues.at( mCurLabelField ).toString() );
        const QgsFields& layerFields = vlayer->fields();
        switch ( layerFields.at( mCurLabelField ).type() )
        {
          case QVariant::Double:
            mLabelTextLineEdit->setValidator( new QDoubleValidator( this ) );
            break;
          case QVariant::Int:
          case QVariant::UInt:
          case QVariant::LongLong:
            mLabelTextLineEdit->setValidator( new QIntValidator( this ) );
            break;
          default:
            break;
        }
      }
      else
      {
        mLabelTextLineEdit->setEnabled( false );
      }
    }
  }

  //get attributes of the feature and fill data defined values

  // font is set directly from QgsLabelPosition
  updateFont( mLabelFont, false );

  //set all the gui elements to the default layer-level values
  mLabelDistanceSpinBox->clear();
  mLabelDistanceSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( layerSettings.dist, 'f', mLabelDistanceSpinBox->decimals() ) ) );
  mBufferSizeSpinBox->clear();
  mBufferSizeSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( layerSettings.bufferSize, 'f', mBufferSizeSpinBox->decimals() ) ) );
  mRotationSpinBox->clear();
  mXCoordSpinBox->clear();
  mYCoordSpinBox->clear();

  mShowLabelChkbx->setChecked( true );
  mFontColorButton->setColor( layerSettings.textColor );
  mBufferColorButton->setColor( layerSettings.bufferColor );
  mMinScaleSpinBox->setValue( layerSettings.scaleMin );
  mMaxScaleSpinBox->setValue( layerSettings.scaleMax );
  mHaliComboBox->setCurrentIndex( mHaliComboBox->findData( "Left" ) );
  mValiComboBox->setCurrentIndex( mValiComboBox->findData( "Bottom" ) );
  mFontColorButton->setColorDialogTitle( tr( "Font color" ) );
  mBufferColorButton->setColorDialogTitle( tr( "Buffer color" ) );

  disableGuiElements();

  QMap< QgsPalLayerSettings::DataDefinedProperties, QgsDataDefined* >::const_iterator it = layerSettings.dataDefinedProperties.constBegin();
  for ( ; it != layerSettings.dataDefinedProperties.constEnd(); ++it )
  {
    mDataDefinedProperties.insert( it.key(), it.value() ? new QgsDataDefined( *it.value() ) : nullptr );
  }

  //set widget values from data defined results
  setDataDefinedValues( layerSettings, vlayer );
  //enable widgets connected to data defined fields
  enableDataDefinedWidgets( vlayer );

  blockElementSignals( false );
}
Esempio n. 20
0
void QgsLabelPropertyDialog::init( const QString &layerId, const QString &providerId, int featureId, const QString &labelText )
{
  //get feature attributes
  QgsVectorLayer *vlayer = QgsProject::instance()->mapLayer<QgsVectorLayer *>( layerId );
  if ( !vlayer )
  {
    return;
  }
  if ( !vlayer->labeling() )
  {
    return;
  }

  if ( !vlayer->getFeatures( QgsFeatureRequest().setFilterFid( featureId ).setFlags( QgsFeatureRequest::NoGeometry ) ).nextFeature( mCurLabelFeat ) )
  {
    return;
  }
  QgsAttributes attributeValues = mCurLabelFeat.attributes();

  //get layerproperties. Problem: only for pallabeling...

  blockElementSignals( true );

  QgsPalLayerSettings layerSettings = vlayer->labeling()->settings( providerId );

  //get label field and fill line edit
  if ( layerSettings.isExpression && !labelText.isNull() )
  {
    mLabelTextLineEdit->setText( labelText );
    mLabelTextLineEdit->setEnabled( false );
    mLabelTextLabel->setText( tr( "Expression result" ) );
  }
  else
  {
    QString labelFieldName = layerSettings.fieldName;
    if ( !labelFieldName.isEmpty() )
    {
      mCurLabelField = vlayer->fields().lookupField( labelFieldName );
      if ( mCurLabelField >= 0 )
      {
        mLabelTextLineEdit->setText( attributeValues.at( mCurLabelField ).toString() );

        if ( vlayer->isEditable() )
          mLabelTextLineEdit->setEnabled( true );
        else
          mLabelTextLineEdit->setEnabled( false );

        const QgsFields &layerFields = vlayer->fields();
        switch ( layerFields.at( mCurLabelField ).type() )
        {
          case QVariant::Double:
            mLabelTextLineEdit->setValidator( new QDoubleValidator( this ) );
            break;
          case QVariant::Int:
          case QVariant::UInt:
          case QVariant::LongLong:
            mLabelTextLineEdit->setValidator( new QIntValidator( this ) );
            break;
          default:
            break;
        }
      }
      else
      {
        mLabelTextLineEdit->setEnabled( false );
      }
    }
  }

  //get attributes of the feature and fill data defined values

  // font is set directly from QgsLabelPosition
  updateFont( mLabelFont, false );

  QgsTextFormat format = layerSettings.format();
  QgsTextBufferSettings buffer = format.buffer();

  //set all the gui elements to the default layer-level values
  mLabelDistanceSpinBox->clear();
  mLabelDistanceSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( layerSettings.dist, 'f', mLabelDistanceSpinBox->decimals() ) ) );
  mBufferSizeSpinBox->clear();
  mBufferSizeSpinBox->setSpecialValueText( tr( "Layer default (%1)" ).arg( QString::number( buffer.size(), 'f', mBufferSizeSpinBox->decimals() ) ) );
  mRotationSpinBox->clear();
  mXCoordSpinBox->clear();
  mYCoordSpinBox->clear();

  mShowLabelChkbx->setChecked( true );
  mFontColorButton->setColor( format.color() );
  mBufferColorButton->setColor( buffer.color() );
  mMinScaleWidget->setScale( layerSettings.minimumScale );
  mMaxScaleWidget->setScale( layerSettings.maximumScale );
  mHaliComboBox->setCurrentIndex( mHaliComboBox->findData( "Left" ) );
  mValiComboBox->setCurrentIndex( mValiComboBox->findData( "Bottom" ) );
  mFontColorButton->setColorDialogTitle( tr( "Font Color" ) );
  mBufferColorButton->setColorDialogTitle( tr( "Buffer Color" ) );

  disableGuiElements();

  mDataDefinedProperties = layerSettings.dataDefinedProperties();

  //set widget values from data defined results
  setDataDefinedValues( vlayer );
  //enable widgets connected to data defined fields
  enableDataDefinedWidgets( vlayer );

  blockElementSignals( false );
}
Esempio n. 21
0
bool QgsGPXProvider::addFeature( QgsFeature& f )
{
  const unsigned char* geo = f.constGeometry()->asWkb();
  QGis::WkbType wkbType = f.constGeometry()->wkbType();
  bool success = false;
  QgsGPSObject* obj = NULL;
  QgsAttributes attrs = f.attributes();
  QgsAttributeMap::const_iterator it;

  // is it a waypoint?
  if ( mFeatureType == WaypointType && geo != NULL && wkbType == QGis::WKBPoint )
  {

    // add geometry
    QgsWaypoint wpt;
    std::memcpy( &wpt.lon, geo + 5, sizeof( double ) );
    std::memcpy( &wpt.lat, geo + 13, sizeof( double ) );

    // add waypoint-specific attributes
    for ( int i = 0; i < attrs.count(); ++i )
    {
      if ( indexToAttr[i] == EleAttr )
      {
        bool eleIsOK;
        double ele = attrs.at( i ).toDouble( &eleIsOK );
        if ( eleIsOK )
          wpt.ele = ele;
      }
      else if ( indexToAttr[i] == SymAttr )
      {
        wpt.sym = attrs.at( i ).toString();
      }
    }

    QgsGPSData::WaypointIterator iter = data->addWaypoint( wpt );
    success = true;
    obj = &( *iter );
  }

  // is it a route?
  if ( mFeatureType == RouteType && geo != NULL && wkbType == QGis::WKBLineString )
  {

    QgsRoute rte;

    // reset bounds
    rte.xMin = std::numeric_limits<double>::max();
    rte.xMax = -std::numeric_limits<double>::max();
    rte.yMin = std::numeric_limits<double>::max();
    rte.yMax = -std::numeric_limits<double>::max();

    // add geometry
    int nPoints;
    std::memcpy( &nPoints, geo + 5, 4 );
    for ( int i = 0; i < nPoints; ++i )
    {
      double lat, lon;
      std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) );
      std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) );
      QgsRoutepoint rtept;
      rtept.lat = lat;
      rtept.lon = lon;
      rte.points.push_back( rtept );
      rte.xMin = rte.xMin < lon ? rte.xMin : lon;
      rte.xMax = rte.xMax > lon ? rte.xMax : lon;
      rte.yMin = rte.yMin < lat ? rte.yMin : lat;
      rte.yMax = rte.yMax > lat ? rte.yMax : lat;
    }

    // add route-specific attributes
    for ( int i = 0; i < attrs.count(); ++i )
    {
      if ( indexToAttr[i] == NumAttr )
      {
        bool numIsOK;
        long num = attrs.at( i ).toInt( &numIsOK );
        if ( numIsOK )
          rte.number = num;
      }
    }

    QgsGPSData::RouteIterator iter = data->addRoute( rte );
    success = true;
    obj = &( *iter );
  }

  // is it a track?
  if ( mFeatureType == TrackType && geo != NULL && wkbType == QGis::WKBLineString )
  {

    QgsTrack trk;
    QgsTrackSegment trkseg;

    // reset bounds
    trk.xMin = std::numeric_limits<double>::max();
    trk.xMax = -std::numeric_limits<double>::max();
    trk.yMin = std::numeric_limits<double>::max();
    trk.yMax = -std::numeric_limits<double>::max();

    // add geometry
    int nPoints;
    std::memcpy( &nPoints, geo + 5, 4 );
    for ( int i = 0; i < nPoints; ++i )
    {
      double lat, lon;
      std::memcpy( &lon, geo + 9 + 16 * i, sizeof( double ) );
      std::memcpy( &lat, geo + 9 + 16 * i + 8, sizeof( double ) );
      QgsTrackpoint trkpt;
      trkpt.lat = lat;
      trkpt.lon = lon;
      trkseg.points.push_back( trkpt );
      trk.xMin = trk.xMin < lon ? trk.xMin : lon;
      trk.xMax = trk.xMax > lon ? trk.xMax : lon;
      trk.yMin = trk.yMin < lat ? trk.yMin : lat;
      trk.yMax = trk.yMax > lat ? trk.yMax : lat;
    }

    // add track-specific attributes
    for ( int i = 0; i < attrs.count(); ++i )
    {
      if ( indexToAttr[i] == NumAttr )
      {
        bool numIsOK;
        long num = attrs.at( i ).toInt( &numIsOK );
        if ( numIsOK )
          trk.number = num;
      }
    }

    trk.segments.push_back( trkseg );
    QgsGPSData::TrackIterator iter = data->addTrack( trk );
    success = true;
    obj = &( *iter );
  }


  // add common attributes
  if ( obj )
  {
    for ( int i = 0; i < attrs.count(); ++i )
    {
      switch ( indexToAttr[i] )
      {
        case NameAttr:    obj->name    = attrs.at( i ).toString(); break;
        case CmtAttr:     obj->cmt     = attrs.at( i ).toString(); break;
        case DscAttr:     obj->desc    = attrs.at( i ).toString(); break;
        case SrcAttr:     obj->src     = attrs.at( i ).toString(); break;
        case URLAttr:     obj->url     = attrs.at( i ).toString(); break;
        case URLNameAttr: obj->urlname = attrs.at( i ).toString(); break;
      }
    }
  }

  return success;
}
Esempio n. 22
0
void QgsClipboard::setSystemClipboard()
{
  // Replace the system clipboard.
  QSettings settings;
  bool copyWKT = settings.value( "qgis/copyGeometryAsWKT", true ).toBool();

  QStringList textLines;
  QStringList textFields;

  // first do the field names
  if ( copyWKT )
  {
    textFields += "wkt_geom";
  }

  Q_FOREACH ( const QgsField& field, mFeatureFields )
  {
    textFields += field.name();
  }
  textLines += textFields.join( "\t" );
  textFields.clear();

  // then the field contents
  for ( QgsFeatureList::const_iterator it = mFeatureClipboard.constBegin(); it != mFeatureClipboard.constEnd(); ++it )
  {
    QgsAttributes attributes = it->attributes();

    // TODO: Set up Paste Transformations to specify the order in which fields are added.
    if ( copyWKT )
    {
      if ( it->constGeometry() )
        textFields += it->constGeometry()->exportToWkt();
      else
      {
        textFields += settings.value( "qgis/nullValue", "NULL" ).toString();
      }
    }

    // QgsDebugMsg("about to traverse fields.");
    for ( int idx = 0; idx < attributes.count(); ++idx )
    {
      // QgsDebugMsg(QString("inspecting field '%1'.").arg(it2->toString()));
      textFields += attributes.at( idx ).toString();
    }

    textLines += textFields.join( "\t" );
    textFields.clear();
  }

  QString textCopy = textLines.join( "\n" );

  QClipboard *cb = QApplication::clipboard();

  // Copy text into the clipboard

  // With qgis running under Linux, but with a Windows based X
  // server (Xwin32), ::Selection was necessary to get the data into
  // the Windows clipboard (which seems contrary to the Qt
  // docs). With a Linux X server, ::Clipboard was required.
  // The simple solution was to put the text into both clipboards.

#ifdef Q_OS_LINUX
  cb->setText( textCopy, QClipboard::Selection );
#endif
  cb->setText( textCopy, QClipboard::Clipboard );

  QgsDebugMsgLevel( QString( "replaced system clipboard with: %1." ).arg( textCopy ), 4 );
}