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 ); } } } }
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; }
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; }
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 ); }
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() ); }
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(); } } } }
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; }
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; } }
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(); }
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 ); } } } }
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; }
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(); }
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 ); } }
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 ); }
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 ); }
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; }
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 ); }