void QgsPolygon3DSymbolEntity::addEntityForSelectedPolygons( const Qgs3DMapSettings &map, QgsVectorLayer *layer, const QgsPolygon3DSymbol &symbol )
{
// build the default material
Qt3DExtras::QPhongMaterial *mat = material( symbol );
// update the material with selection colors
mat->setDiffuse( map.selectionColor() );
mat->setAmbient( map.selectionColor().darker() );
// build a transform function
Qt3DCore::QTransform *tform = new Qt3DCore::QTransform;
tform->setTranslation( QVector3D( 0, 0, 0 ) );
// build the feature request to select features
QgsFeatureRequest req;
req.setDestinationCrs( map.crs() );
req.setSubsetOfAttributes( _requiredAttributes( symbol, layer ), layer->fields() );
req.setFilterFids( layer->selectedFeatureIds() );
// build the entity
QgsPolygon3DSymbolEntityNode *entity = new QgsPolygon3DSymbolEntityNode( map, layer, symbol, req );
entity->addComponent( mat );
entity->addComponent( tform );
entity->setParent( this );
}
void QgsDualView::updateSelectedFeatures()
{
QgsFeatureRequest r = mMasterModel->request();
if ( r.filterType() == QgsFeatureRequest::FilterNone && r.filterRect().isNull() )
return; // already requested all features
r.setFilterFids( masterModel()->layer()->selectedFeatureIds() );
mMasterModel->setRequest( r );
mMasterModel->loadLayer();
emit filterChanged();
}
void QgsLine3DSymbolEntity::addEntityForNotSelectedLines( const Qgs3DMapSettings &map, QgsVectorLayer *layer, const QgsLine3DSymbol &symbol )
{
// build the default material
Qt3DExtras::QPhongMaterial *mat = material( symbol );
// build the feature request to select features
QgsFeatureRequest req;
req.setDestinationCrs( map.crs(), map.transformContext() );
QgsFeatureIds notSelected = layer->allFeatureIds();
notSelected.subtract( layer->selectedFeatureIds() );
req.setFilterFids( notSelected );
// build the entity
QgsLine3DSymbolEntityNode *entity = new QgsLine3DSymbolEntityNode( map, layer, symbol, req );
entity->addComponent( mat );
entity->setParent( this );
}
void QgsLine3DSymbolEntity::addEntityForSelectedLines( const Qgs3DMapSettings &map, QgsVectorLayer *layer, const QgsLine3DSymbol &symbol )
{
// build the default material
Qt3DExtras::QPhongMaterial *mat = material( symbol );
// update the material with selection colors
mat->setDiffuse( map.selectionColor() );
mat->setAmbient( map.selectionColor().darker() );
// build the feature request to select features
QgsFeatureRequest req;
req.setDestinationCrs( map.crs(), map.transformContext() );
req.setFilterFids( layer->selectedFeatureIds() );
// build the entity
QgsLine3DSymbolEntityNode *entity = new QgsLine3DSymbolEntityNode( map, layer, symbol, req );
entity->addComponent( mat );
entity->setParent( this );
}
void QgsOverlayUtils::difference( const QgsFeatureSource &sourceA, const QgsFeatureSource &sourceB, QgsFeatureSink &sink, QgsProcessingContext &context, QgsProcessingFeedback *feedback, int &count, int totalCount, QgsOverlayUtils::DifferenceOutput outputAttrs )
{
QgsFeatureRequest requestB;
requestB.setSubsetOfAttributes( QgsAttributeList() );
if ( outputAttrs != OutputBA )
requestB.setDestinationCrs( sourceA.sourceCrs(), context.transformContext() );
QgsSpatialIndex indexB( sourceB.getFeatures( requestB ), feedback );
int fieldsCountA = sourceA.fields().count();
int fieldsCountB = sourceB.fields().count();
QgsAttributes attrs;
attrs.resize( outputAttrs == OutputA ? fieldsCountA : ( fieldsCountA + fieldsCountB ) );
if ( totalCount == 0 )
totalCount = 1; // avoid division by zero
QgsFeature featA;
QgsFeatureRequest requestA;
if ( outputAttrs == OutputBA )
requestA.setDestinationCrs( sourceB.sourceCrs(), context.transformContext() );
QgsFeatureIterator fitA = sourceA.getFeatures( requestA );
while ( fitA.nextFeature( featA ) )
{
if ( feedback->isCanceled() )
break;
if ( featA.hasGeometry() )
{
QgsGeometry geom( featA.geometry() );
QgsFeatureIds intersects = indexB.intersects( geom.boundingBox() ).toSet();
QgsFeatureRequest request;
request.setFilterFids( intersects );
request.setSubsetOfAttributes( QgsAttributeList() );
if ( outputAttrs != OutputBA )
request.setDestinationCrs( sourceA.sourceCrs(), context.transformContext() );
std::unique_ptr< QgsGeometryEngine > engine;
if ( !intersects.isEmpty() )
{
// use prepared geometries for faster intersection tests
engine.reset( QgsGeometry::createGeometryEngine( geom.constGet() ) );
engine->prepareGeometry();
}
QVector<QgsGeometry> geometriesB;
QgsFeature featB;
QgsFeatureIterator fitB = sourceB.getFeatures( request );
while ( fitB.nextFeature( featB ) )
{
if ( feedback->isCanceled() )
break;
if ( engine->intersects( featB.geometry().constGet() ) )
geometriesB << featB.geometry();
}
if ( !geometriesB.isEmpty() )
{
QgsGeometry geomB = QgsGeometry::unaryUnion( geometriesB );
geom = geom.difference( geomB );
}
if ( !sanitizeDifferenceResult( geom ) )
continue;
const QgsAttributes attrsA( featA.attributes() );
switch ( outputAttrs )
{
case OutputA:
attrs = attrsA;
break;
case OutputAB:
for ( int i = 0; i < fieldsCountA; ++i )
attrs[i] = attrsA[i];
break;
case OutputBA:
for ( int i = 0; i < fieldsCountA; ++i )
attrs[i + fieldsCountB] = attrsA[i];
break;
}
QgsFeature outFeat;
outFeat.setGeometry( geom );
outFeat.setAttributes( attrs );
sink.addFeature( outFeat, QgsFeatureSink::FastInsert );
}
else
{
// TODO: should we write out features that do not have geometry?
sink.addFeature( featA, QgsFeatureSink::FastInsert );
}
++count;
feedback->setProgress( count / ( double ) totalCount * 100. );
}
}
void QgsOverlayUtils::intersection( const QgsFeatureSource &sourceA, const QgsFeatureSource &sourceB, QgsFeatureSink &sink, QgsProcessingContext &context, QgsProcessingFeedback *feedback, int &count, int totalCount, const QList<int> &fieldIndicesA, const QList<int> &fieldIndicesB )
{
QgsWkbTypes::GeometryType geometryType = QgsWkbTypes::geometryType( QgsWkbTypes::multiType( sourceA.wkbType() ) );
int attrCount = fieldIndicesA.count() + fieldIndicesB.count();
QgsFeatureRequest request;
request.setSubsetOfAttributes( QgsAttributeList() );
request.setDestinationCrs( sourceA.sourceCrs(), context.transformContext() );
QgsFeature outFeat;
QgsSpatialIndex indexB( sourceB.getFeatures( request ), feedback );
if ( totalCount == 0 )
totalCount = 1; // avoid division by zero
QgsFeature featA;
QgsFeatureIterator fitA = sourceA.getFeatures( QgsFeatureRequest().setSubsetOfAttributes( fieldIndicesA ) );
while ( fitA.nextFeature( featA ) )
{
if ( feedback->isCanceled() )
break;
if ( !featA.hasGeometry() )
continue;
QgsGeometry geom( featA.geometry() );
QgsFeatureIds intersects = indexB.intersects( geom.boundingBox() ).toSet();
QgsFeatureRequest request;
request.setFilterFids( intersects );
request.setDestinationCrs( sourceA.sourceCrs(), context.transformContext() );
request.setSubsetOfAttributes( fieldIndicesB );
std::unique_ptr< QgsGeometryEngine > engine;
if ( !intersects.isEmpty() )
{
// use prepared geometries for faster intersection tests
engine.reset( QgsGeometry::createGeometryEngine( geom.constGet() ) );
engine->prepareGeometry();
}
QgsAttributes outAttributes( attrCount );
const QgsAttributes attrsA( featA.attributes() );
for ( int i = 0; i < fieldIndicesA.count(); ++i )
outAttributes[i] = attrsA[fieldIndicesA[i]];
QgsFeature featB;
QgsFeatureIterator fitB = sourceB.getFeatures( request );
while ( fitB.nextFeature( featB ) )
{
if ( feedback->isCanceled() )
break;
QgsGeometry tmpGeom( featB.geometry() );
if ( !engine->intersects( tmpGeom.constGet() ) )
continue;
QgsGeometry intGeom = geom.intersection( tmpGeom );
if ( !sanitizeIntersectionResult( intGeom, geometryType ) )
continue;
const QgsAttributes attrsB( featB.attributes() );
for ( int i = 0; i < fieldIndicesB.count(); ++i )
outAttributes[fieldIndicesA.count() + i] = attrsB[fieldIndicesB[i]];
outFeat.setGeometry( intGeom );
outFeat.setAttributes( outAttributes );
sink.addFeature( outFeat, QgsFeatureSink::FastInsert );
}
++count;
feedback->setProgress( count / ( double ) totalCount * 100. );
}
}
void QgsDualView::setFilterMode( QgsAttributeTableFilterModel::FilterMode filterMode )
{
// cleanup any existing connections
switch ( mFilterModel->filterMode() )
{
case QgsAttributeTableFilterModel::ShowVisible:
disconnect( mFilterModel->mapCanvas(), &QgsMapCanvas::extentsChanged, this, &QgsDualView::extentChanged );
break;
case QgsAttributeTableFilterModel::ShowAll:
case QgsAttributeTableFilterModel::ShowEdited:
case QgsAttributeTableFilterModel::ShowFilteredList:
break;
case QgsAttributeTableFilterModel::ShowSelected:
disconnect( masterModel()->layer(), &QgsVectorLayer::selectionChanged, this, &QgsDualView::updateSelectedFeatures );
break;
}
QgsFeatureRequest r = mMasterModel->request();
bool needsGeometry = filterMode == QgsAttributeTableFilterModel::ShowVisible;
bool requiresTableReload = ( r.filterType() != QgsFeatureRequest::FilterNone || !r.filterRect().isNull() ) // previous request was subset
|| ( needsGeometry && r.flags() & QgsFeatureRequest::NoGeometry ) // no geometry for last request
|| ( mMasterModel->rowCount() == 0 ); // no features
if ( !needsGeometry )
r.setFlags( r.flags() | QgsFeatureRequest::NoGeometry );
else
r.setFlags( r.flags() & ~( QgsFeatureRequest::NoGeometry ) );
r.setFilterFids( QgsFeatureIds() );
r.setFilterRect( QgsRectangle() );
r.disableFilter();
// setup new connections and filter request parameters
switch ( filterMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
connect( mFilterModel->mapCanvas(), &QgsMapCanvas::extentsChanged, this, &QgsDualView::extentChanged );
if ( mFilterModel->mapCanvas() )
{
QgsRectangle rect = mFilterModel->mapCanvas()->mapSettings().mapToLayerCoordinates( mLayer, mFilterModel->mapCanvas()->extent() );
r.setFilterRect( rect );
}
break;
case QgsAttributeTableFilterModel::ShowAll:
case QgsAttributeTableFilterModel::ShowEdited:
case QgsAttributeTableFilterModel::ShowFilteredList:
break;
case QgsAttributeTableFilterModel::ShowSelected:
connect( masterModel()->layer(), &QgsVectorLayer::selectionChanged, this, &QgsDualView::updateSelectedFeatures );
r.setFilterFids( masterModel()->layer()->selectedFeatureIds() );
break;
}
if ( requiresTableReload )
{
mMasterModel->setRequest( r );
whileBlocking( mLayerCache )->setCacheGeometry( needsGeometry );
mMasterModel->loadLayer();
}
//update filter model
mFilterModel->setFilterMode( filterMode );
emit filterChanged();
}
void QgsFieldCalculator::accept()
{
builder->saveToRecent( "fieldcalc" );
if ( !mVectorLayer )
return;
// Set up QgsDistanceArea each time we (re-)calculate
QgsDistanceArea myDa;
myDa.setSourceCrs( mVectorLayer->crs().srsid() );
myDa.setEllipsoidalMode( QgisApp::instance()->mapCanvas()->mapSettings().hasCrsTransformEnabled() );
myDa.setEllipsoid( QgsProject::instance()->readEntry( "Measure", "/Ellipsoid", GEO_NONE ) );
QString calcString = builder->expressionText();
QgsExpression exp( calcString );
exp.setGeomCalculator( myDa );
QgsExpressionContext expContext;
expContext << QgsExpressionContextUtils::globalScope()
<< QgsExpressionContextUtils::projectScope()
<< QgsExpressionContextUtils::layerScope( mVectorLayer );
if ( !exp.prepare( &expContext ) )
{
QMessageBox::critical( nullptr, tr( "Evaluation error" ), exp.evalErrorString() );
return;
}
bool updatingGeom = false;
// Test for creating expression field based on ! mUpdateExistingGroupBox checked rather
// than on mNewFieldGroupBox checked, as if the provider does not support adding attributes
// then mUpdateExistingGroupBox is set to not checkable, and hence is not checked. This
// is a minimum fix to resolve this - better would be some GUI redesign...
if ( ! mUpdateExistingGroupBox->isChecked() && mCreateVirtualFieldCheckbox->isChecked() )
{
mVectorLayer->addExpressionField( calcString, fieldDefinition() );
}
else
{
if ( !mVectorLayer->isEditable() )
mVectorLayer->startEditing();
QApplication::setOverrideCursor( Qt::WaitCursor );
mVectorLayer->beginEditCommand( "Field calculator" );
//update existing field
if ( mUpdateExistingGroupBox->isChecked() || !mNewFieldGroupBox->isEnabled() )
{
if ( mExistingFieldComboBox->itemData( mExistingFieldComboBox->currentIndex() ).toString() == "geom" )
{
//update geometry
mAttributeId = -1;
updatingGeom = true;
}
else
{
QMap<QString, int>::const_iterator fieldIt = mFieldMap.constFind( mExistingFieldComboBox->currentText() );
if ( fieldIt != mFieldMap.constEnd() )
{
mAttributeId = fieldIt.value();
}
}
}
else
{
//create new field
const QgsField newField = fieldDefinition();
if ( !mVectorLayer->addAttribute( newField ) )
{
QApplication::restoreOverrideCursor();
QMessageBox::critical( nullptr, tr( "Provider error" ), tr( "Could not add the new field to the provider." ) );
mVectorLayer->destroyEditCommand();
return;
}
//get index of the new field
const QgsFields& fields = mVectorLayer->fields();
for ( int idx = 0; idx < fields.count(); ++idx )
{
if ( fields[idx].name() == mOutputFieldNameLineEdit->text() )
{
mAttributeId = idx;
break;
}
}
//update expression context with new fields
expContext.setFields( mVectorLayer->fields() );
if ( ! exp.prepare( &expContext ) )
{
QApplication::restoreOverrideCursor();
QMessageBox::critical( nullptr, tr( "Evaluation error" ), exp.evalErrorString() );
return;
}
}
if ( mAttributeId == -1 && !updatingGeom )
{
mVectorLayer->destroyEditCommand();
QApplication::restoreOverrideCursor();
return;
}
//go through all the features and change the new attribute
QgsFeature feature;
bool calculationSuccess = true;
QString error;
bool useGeometry = exp.needsGeometry();
int rownum = 1;
QgsField field = !updatingGeom ? mVectorLayer->fields().at( mAttributeId ) : QgsField();
bool newField = !mUpdateExistingGroupBox->isChecked();
QVariant emptyAttribute;
if ( newField )
emptyAttribute = QVariant( field.type() );
QgsFeatureRequest req = QgsFeatureRequest().setFlags( useGeometry ? QgsFeatureRequest::NoFlags : QgsFeatureRequest::NoGeometry );
if ( mOnlyUpdateSelectedCheckBox->isChecked() )
{
req.setFilterFids( mVectorLayer->selectedFeaturesIds() );
}
QgsFeatureIterator fit = mVectorLayer->getFeatures( req );
while ( fit.nextFeature( feature ) )
{
expContext.setFeature( feature );
expContext.lastScope()->setVariable( QString( "row_number" ), rownum );
QVariant value = exp.evaluate( &expContext );
if ( exp.hasEvalError() )
{
calculationSuccess = false;
error = exp.evalErrorString();
break;
}
else if ( updatingGeom )
{
if ( value.canConvert< QgsGeometry >() )
{
QgsGeometry geom = value.value< QgsGeometry >();
mVectorLayer->changeGeometry( feature.id(), &geom );
}
}
else
{
field.convertCompatible( value );
mVectorLayer->changeAttributeValue( feature.id(), mAttributeId, value, newField ? emptyAttribute : feature.attributes().value( mAttributeId ) );
}
rownum++;
}
QApplication::restoreOverrideCursor();
if ( !calculationSuccess )
{
QMessageBox::critical( nullptr, tr( "Error" ), tr( "An error occurred while evaluating the calculation string:\n%1" ).arg( error ) );
mVectorLayer->destroyEditCommand();
return;
}
mVectorLayer->endEditCommand();
}
QDialog::accept();
}
void QgsMapToolMoveFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
{
QgsVectorLayer *vlayer = currentVectorLayer();
if ( !vlayer || !vlayer->isEditable() )
{
delete mRubberBand;
mRubberBand = nullptr;
mSnapIndicator->setMatch( QgsPointLocator::Match() );
cadDockWidget()->clear();
notifyNotEditableLayer();
return;
}
if ( !mRubberBand )
{
//find first geometry under mouse cursor and store iterator to it
QgsPointXY layerCoords = toLayerCoordinates( vlayer, e->mapPoint() );
double searchRadius = QgsTolerance::vertexSearchRadius( mCanvas->currentLayer(), mCanvas->mapSettings() );
QgsRectangle selectRect( layerCoords.x() - searchRadius, layerCoords.y() - searchRadius,
layerCoords.x() + searchRadius, layerCoords.y() + searchRadius );
if ( vlayer->selectedFeatureCount() == 0 )
{
QgsFeatureIterator fit = vlayer->getFeatures( QgsFeatureRequest().setFilterRect( selectRect ).setNoAttributes() );
//find the closest feature
QgsGeometry pointGeometry = QgsGeometry::fromPointXY( layerCoords );
if ( pointGeometry.isNull() )
{
cadDockWidget()->clear();
return;
}
double minDistance = std::numeric_limits<double>::max();
QgsFeature cf;
QgsFeature f;
while ( fit.nextFeature( f ) )
{
if ( f.hasGeometry() )
{
double currentDistance = pointGeometry.distance( f.geometry() );
if ( currentDistance < minDistance )
{
minDistance = currentDistance;
cf = f;
}
}
}
if ( minDistance == std::numeric_limits<double>::max() )
{
cadDockWidget()->clear();
return;
}
mMovedFeatures.clear();
mMovedFeatures << cf.id(); //todo: take the closest feature, not the first one...
mRubberBand = createRubberBand( vlayer->geometryType() );
mRubberBand->setToGeometry( cf.geometry(), vlayer );
}
else
{
mMovedFeatures = vlayer->selectedFeatureIds();
mRubberBand = createRubberBand( vlayer->geometryType() );
QgsFeature feat;
QgsFeatureIterator it = vlayer->getSelectedFeatures( QgsFeatureRequest().setNoAttributes() );
bool allFeaturesInView = true;
QgsRectangle viewRect = mCanvas->mapSettings().mapToLayerCoordinates( vlayer, mCanvas->extent() );
while ( it.nextFeature( feat ) )
{
mRubberBand->addGeometry( feat.geometry(), vlayer );
if ( allFeaturesInView && !viewRect.intersects( feat.geometry().boundingBox() ) )
allFeaturesInView = false;
}
if ( !allFeaturesInView )
{
// for extra safety to make sure we are not modifying geometries by accident
int res = QMessageBox::warning( mCanvas, tr( "Move features" ),
tr( "Some of the selected features are outside of the current map view. Would you still like to continue?" ),
QMessageBox::Yes | QMessageBox::No );
if ( res != QMessageBox::Yes )
{
mMovedFeatures.clear();
delete mRubberBand;
mRubberBand = nullptr;
mSnapIndicator->setMatch( QgsPointLocator::Match() );
return;
}
}
}
mStartPointMapCoords = e->mapPoint();
mRubberBand->show();
}
else
{
// copy and move mode
if ( e->button() != Qt::LeftButton )
{
cadDockWidget()->clear();
delete mRubberBand;
mRubberBand = nullptr;
mSnapIndicator->setMatch( QgsPointLocator::Match() );
return;
}
QgsPointXY startPointLayerCoords = toLayerCoordinates( ( QgsMapLayer * )vlayer, mStartPointMapCoords );
QgsPointXY stopPointLayerCoords = toLayerCoordinates( ( QgsMapLayer * )vlayer, e->mapPoint() );
double dx = stopPointLayerCoords.x() - startPointLayerCoords.x();
double dy = stopPointLayerCoords.y() - startPointLayerCoords.y();
vlayer->beginEditCommand( mMode == Move ? tr( "Feature moved" ) : tr( "Feature copied and moved" ) );
switch ( mMode )
{
case Move:
Q_FOREACH ( QgsFeatureId id, mMovedFeatures )
{
vlayer->translateFeature( id, dx, dy );
}
delete mRubberBand;
mRubberBand = nullptr;
mSnapIndicator->setMatch( QgsPointLocator::Match() );
cadDockWidget()->clear();
break;
case CopyMove:
QgsFeatureRequest request;
request.setFilterFids( mMovedFeatures );
QString *errorMsg = new QString();
if ( !QgisApp::instance()->vectorLayerTools()->copyMoveFeatures( vlayer, request, dx, dy, errorMsg ) )
{
emit messageEmitted( *errorMsg, Qgis::Critical );
delete mRubberBand;
mRubberBand = nullptr;
mSnapIndicator->setMatch( QgsPointLocator::Match() );
}
break;
}
vlayer->endEditCommand();
vlayer->triggerRepaint();
}
QgsFeatureRequest parseFilterElement( const QString &typeName, QDomElement &filterElem, const QgsProject *project )
{
QgsFeatureRequest request;
QDomNodeList fidNodes = filterElem.elementsByTagName( QStringLiteral( "FeatureId" ) );
QDomNodeList goidNodes = filterElem.elementsByTagName( QStringLiteral( "GmlObjectId" ) );
if ( !fidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement fidElem;
for ( int f = 0; f < fidNodes.size(); f++ )
{
fidElem = fidNodes.at( f ).toElement();
if ( !fidElem.hasAttribute( QStringLiteral( "fid" ) ) )
{
throw QgsRequestNotWellFormedException( "FeatureId element without fid attribute" );
}
QString fid = fidElem.attribute( QStringLiteral( "fid" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No FeatureId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( !goidNodes.isEmpty() )
{
QgsFeatureIds fids;
QDomElement goidElem;
for ( int f = 0; f < goidNodes.size(); f++ )
{
goidElem = goidNodes.at( f ).toElement();
if ( !goidElem.hasAttribute( QStringLiteral( "id" ) ) && !goidElem.hasAttribute( QStringLiteral( "gml:id" ) ) )
{
throw QgsRequestNotWellFormedException( "GmlObjectId element without gml:id attribute" );
}
QString fid = goidElem.attribute( QStringLiteral( "id" ) );
if ( fid.isEmpty() )
fid = goidElem.attribute( QStringLiteral( "gml:id" ) );
if ( fid.contains( QLatin1String( "." ) ) )
{
if ( fid.section( QStringLiteral( "." ), 0, 0 ) != typeName )
continue;
fid = fid.section( QStringLiteral( "." ), 1, 1 );
}
fids.insert( fid.toInt() );
}
if ( !fids.isEmpty() )
{
request.setFilterFids( fids );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "No GmlObjectId element correctly parse against typeName '%1'" ).arg( typeName ) );
}
request.setFlags( QgsFeatureRequest::NoFlags );
return request;
}
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "BBOX" ) )
{
QDomElement bboxElem = filterElem.firstChildElement();
QDomElement childElem = bboxElem.firstChildElement();
while ( !childElem.isNull() )
{
if ( childElem.tagName() == QLatin1String( "Box" ) )
{
request.setFilterRect( QgsOgcUtils::rectangleFromGMLBox( childElem ) );
}
else if ( childElem.tagName() != QLatin1String( "PropertyName" ) )
{
QgsGeometry geom = QgsOgcUtils::geometryFromGML( childElem );
request.setFilterRect( geom.boundingBox() );
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
// Apply BBOX through filterRect even inside an And to use spatial index
else if ( filterElem.firstChildElement().tagName() == QLatin1String( "And" ) &&
!filterElem.firstChildElement().firstChildElement( QLatin1String( "BBOX" ) ).isNull() )
{
QDomElement childElem = filterElem.firstChildElement().firstChildElement();
while ( !childElem.isNull() )
{
QDomElement childFilterElement = filterElem.ownerDocument().createElement( QLatin1String( "Filter" ) );
childFilterElement.appendChild( childElem.cloneNode( true ) );
QgsFeatureRequest childRequest = parseFilterElement( typeName, childFilterElement );
if ( childElem.tagName() == QLatin1String( "BBOX" ) )
{
if ( request.filterRect().isEmpty() )
{
request.setFilterRect( childRequest.filterRect() );
}
else
{
request.setFilterRect( request.filterRect().intersect( childRequest.filterRect() ) );
}
}
else
{
if ( !request.filterExpression() )
{
request.setFilterExpression( childRequest.filterExpression()->expression() );
}
else
{
QgsExpressionNode *opLeft = request.filterExpression()->rootNode()->clone();
QgsExpressionNode *opRight = childRequest.filterExpression()->rootNode()->clone();
std::unique_ptr<QgsExpressionNodeBinaryOperator> node = qgis::make_unique<QgsExpressionNodeBinaryOperator>( QgsExpressionNodeBinaryOperator::boAnd, opLeft, opRight );
QgsExpression expr( node->dump() );
request.setFilterExpression( expr );
}
}
childElem = childElem.nextSiblingElement();
}
request.setFlags( QgsFeatureRequest::ExactIntersect | QgsFeatureRequest::NoFlags );
return request;
}
else
{
QgsVectorLayer *layer = nullptr;
if ( project != nullptr )
{
layer = layerByTypeName( project, typeName );
}
std::shared_ptr<QgsExpression> filter( QgsOgcUtils::expressionFromOgcFilter( filterElem, layer ) );
if ( filter )
{
if ( filter->hasParserError() )
{
throw QgsRequestNotWellFormedException( filter->parserErrorString() );
}
if ( filter->needsGeometry() )
{
request.setFlags( QgsFeatureRequest::NoFlags );
}
request.setFilterExpression( filter->expression() );
return request;
}
}
return request;
}
QgsAttributeTableDialog::QgsAttributeTableDialog( QgsVectorLayer *layer, QgsAttributeTableFilterModel::FilterMode initialMode, QWidget *parent, Qt::WindowFlags flags )
: QDialog( parent, flags )
, mLayer( layer )
{
setObjectName( QStringLiteral( "QgsAttributeTableDialog/" ) + layer->id() );
setupUi( this );
connect( mActionCutSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionCutSelectedRows_triggered );
connect( mActionCopySelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionCopySelectedRows_triggered );
connect( mActionPasteFeatures, &QAction::triggered, this, &QgsAttributeTableDialog::mActionPasteFeatures_triggered );
connect( mActionToggleEditing, &QAction::toggled, this, &QgsAttributeTableDialog::mActionToggleEditing_toggled );
connect( mActionSaveEdits, &QAction::triggered, this, &QgsAttributeTableDialog::mActionSaveEdits_triggered );
connect( mActionReload, &QAction::triggered, this, &QgsAttributeTableDialog::mActionReload_triggered );
connect( mActionInvertSelection, &QAction::triggered, this, &QgsAttributeTableDialog::mActionInvertSelection_triggered );
connect( mActionRemoveSelection, &QAction::triggered, this, &QgsAttributeTableDialog::mActionRemoveSelection_triggered );
connect( mActionSelectAll, &QAction::triggered, this, &QgsAttributeTableDialog::mActionSelectAll_triggered );
connect( mActionZoomMapToSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionZoomMapToSelectedRows_triggered );
connect( mActionPanMapToSelectedRows, &QAction::triggered, this, &QgsAttributeTableDialog::mActionPanMapToSelectedRows_triggered );
connect( mActionSelectedToTop, &QAction::toggled, this, &QgsAttributeTableDialog::mActionSelectedToTop_toggled );
connect( mActionAddAttribute, &QAction::triggered, this, &QgsAttributeTableDialog::mActionAddAttribute_triggered );
connect( mActionRemoveAttribute, &QAction::triggered, this, &QgsAttributeTableDialog::mActionRemoveAttribute_triggered );
connect( mActionOpenFieldCalculator, &QAction::triggered, this, &QgsAttributeTableDialog::mActionOpenFieldCalculator_triggered );
connect( mActionDeleteSelected, &QAction::triggered, this, &QgsAttributeTableDialog::mActionDeleteSelected_triggered );
connect( mMainView, &QgsDualView::currentChanged, this, &QgsAttributeTableDialog::mMainView_currentChanged );
connect( mActionAddFeature, &QAction::triggered, this, &QgsAttributeTableDialog::mActionAddFeature_triggered );
connect( mActionExpressionSelect, &QAction::triggered, this, &QgsAttributeTableDialog::mActionExpressionSelect_triggered );
connect( mMainView, &QgsDualView::showContextMenuExternally, this, &QgsAttributeTableDialog::showContextMenu );
const QgsFields fields = mLayer->fields();
for ( const QgsField &field : fields )
{
mVisibleFields.append( field.name() );
}
// Fix selection color on losing focus (Windows)
setStyleSheet( QgisApp::instance()->styleSheet() );
setAttribute( Qt::WA_DeleteOnClose );
layout()->setMargin( 0 );
layout()->setContentsMargins( 0, 0, 0, 0 );
static_cast< QGridLayout * >( layout() )->setVerticalSpacing( 0 );
QgsSettings settings;
int size = settings.value( QStringLiteral( "/qgis/iconSize" ), 16 ).toInt();
if ( size > 32 )
{
size -= 16;
}
else if ( size == 32 )
{
size = 24;
}
else
{
size = 16;
}
mToolbar->setIconSize( QSize( size, size ) );
// Initialize the window geometry
restoreGeometry( settings.value( QStringLiteral( "Windows/BetterAttributeTable/geometry" ) ).toByteArray() );
myDa = new QgsDistanceArea();
myDa->setSourceCrs( mLayer->crs(), QgsProject::instance()->transformContext() );
myDa->setEllipsoid( QgsProject::instance()->ellipsoid() );
mEditorContext.setDistanceArea( *myDa );
mEditorContext.setVectorLayerTools( QgisApp::instance()->vectorLayerTools() );
mEditorContext.setMapCanvas( QgisApp::instance()->mapCanvas() );
QgsFeatureRequest r;
bool needsGeom = false;
if ( mLayer->geometryType() != QgsWkbTypes::NullGeometry &&
initialMode == QgsAttributeTableFilterModel::ShowVisible )
{
QgsMapCanvas *mc = QgisApp::instance()->mapCanvas();
QgsRectangle extent( mc->mapSettings().mapToLayerCoordinates( layer, mc->extent() ) );
r.setFilterRect( extent );
needsGeom = true;
}
else if ( initialMode == QgsAttributeTableFilterModel::ShowSelected )
{
r.setFilterFids( layer->selectedFeatureIds() );
}
if ( !needsGeom )
r.setFlags( QgsFeatureRequest::NoGeometry );
// Initialize dual view
mMainView->init( mLayer, QgisApp::instance()->mapCanvas(), r, mEditorContext, false );
QgsAttributeTableConfig config = mLayer->attributeTableConfig();
mMainView->setAttributeTableConfig( config );
// Initialize filter gui elements
mFilterActionMapper = new QSignalMapper( this );
mFilterColumnsMenu = new QMenu( this );
mActionFilterColumnsMenu->setMenu( mFilterColumnsMenu );
mApplyFilterButton->setDefaultAction( mActionApplyFilter );
// Set filter icon in a couple of places
QIcon filterIcon = QgsApplication::getThemeIcon( "/mActionFilter2.svg" );
mActionShowAllFilter->setIcon( filterIcon );
mActionAdvancedFilter->setIcon( filterIcon );
mActionSelectedFilter->setIcon( filterIcon );
mActionVisibleFilter->setIcon( filterIcon );
mActionEditedFilter->setIcon( filterIcon );
mActionFeatureActions = new QToolButton();
mActionFeatureActions->setAutoRaise( false );
mActionFeatureActions->setPopupMode( QToolButton::InstantPopup );
mActionFeatureActions->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mAction.svg" ) ) );
mActionFeatureActions->setText( tr( "Actions" ) );
mActionFeatureActions->setToolTip( tr( "Actions" ) );
mToolbar->addWidget( mActionFeatureActions );
// Connect filter signals
connect( mActionAdvancedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterExpressionBuilder );
connect( mActionShowAllFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterShowAll );
connect( mActionSelectedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterSelected );
connect( mActionVisibleFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterVisible );
connect( mActionEditedFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterEdited );
connect( mFilterActionMapper, SIGNAL( mapped( QObject * ) ), SLOT( filterColumnChanged( QObject * ) ) );
connect( mFilterQuery, &QLineEdit::returnPressed, this, &QgsAttributeTableDialog::filterQueryAccepted );
connect( mActionApplyFilter, &QAction::triggered, this, &QgsAttributeTableDialog::filterQueryAccepted );
connect( mActionSetStyles, &QAction::triggered, this, &QgsAttributeTableDialog::openConditionalStyles );
// info from layer to table
connect( mLayer, &QgsVectorLayer::editingStarted, this, &QgsAttributeTableDialog::editingToggled );
connect( mLayer, &QgsVectorLayer::editingStopped, this, &QgsAttributeTableDialog::editingToggled );
connect( mLayer, &QObject::destroyed, mMainView, &QgsDualView::cancelProgress );
connect( mLayer, &QgsVectorLayer::selectionChanged, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::featureAdded, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::featuresDeleted, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::editingStopped, this, &QgsAttributeTableDialog::updateTitle );
connect( mLayer, &QgsVectorLayer::attributeAdded, this, &QgsAttributeTableDialog::columnBoxInit );
connect( mLayer, &QgsVectorLayer::attributeDeleted, this, &QgsAttributeTableDialog::columnBoxInit );
connect( mLayer, &QgsVectorLayer::readOnlyChanged, this, &QgsAttributeTableDialog::editingToggled );
// connect table info to window
connect( mMainView, &QgsDualView::filterChanged, this, &QgsAttributeTableDialog::updateTitle );
connect( mMainView, &QgsDualView::filterExpressionSet, this, &QgsAttributeTableDialog::formFilterSet );
connect( mMainView, &QgsDualView::formModeChanged, this, &QgsAttributeTableDialog::viewModeChanged );
// info from table to application
connect( this, &QgsAttributeTableDialog::saveEdits, this, [ = ] { QgisApp::instance()->saveEdits(); } );
const bool dockTable = settings.value( QStringLiteral( "qgis/dockAttributeTable" ), false ).toBool();
if ( dockTable )
{
mDock = new QgsAttributeTableDock( QString(), QgisApp::instance() );
mDock->setWidget( this );
connect( this, &QObject::destroyed, mDock, &QWidget::close );
QgisApp::instance()->addDockWidget( Qt::BottomDockWidgetArea, mDock );
}
mActionDockUndock->setChecked( dockTable );
connect( mActionDockUndock, &QAction::toggled, this, &QgsAttributeTableDialog::toggleDockMode );
installEventFilter( this );
columnBoxInit();
updateTitle();
mActionRemoveSelection->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeselectAll.svg" ) ) );
mActionSelectAll->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSelectAll.svg" ) ) );
mActionSelectedToTop->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSelectedToTop.svg" ) ) );
mActionCopySelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionEditCopy.svg" ) ) );
mActionPasteFeatures->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionEditPaste.svg" ) ) );
mActionZoomMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionZoomToSelected.svg" ) ) );
mActionPanMapToSelectedRows->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionPanToSelected.svg" ) ) );
mActionInvertSelection->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionInvertSelection.svg" ) ) );
mActionToggleEditing->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionToggleEditing.svg" ) ) );
mActionSaveEdits->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionSaveEdits.svg" ) ) );
mActionDeleteSelected->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeleteSelected.svg" ) ) );
mActionOpenFieldCalculator->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionCalculateField.svg" ) ) );
mActionAddAttribute->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionNewAttribute.svg" ) ) );
mActionRemoveAttribute->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionDeleteAttribute.svg" ) ) );
mTableViewButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionOpenTable.svg" ) ) );
mAttributeViewButton->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionFormView.svg" ) ) );
mActionExpressionSelect->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mIconExpressionSelect.svg" ) ) );
mActionAddFeature->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mActionNewTableRow.svg" ) ) );
mActionFeatureActions->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mAction.svg" ) ) );
// toggle editing
bool canChangeAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::ChangeAttributeValues;
bool canDeleteFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures;
bool canAddAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddAttributes;
bool canDeleteAttributes = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteAttributes;
bool canAddFeatures = mLayer->dataProvider()->capabilities() & QgsVectorDataProvider::AddFeatures;
mActionToggleEditing->blockSignals( true );
mActionToggleEditing->setCheckable( true );
mActionToggleEditing->setChecked( mLayer->isEditable() );
mActionToggleEditing->blockSignals( false );
mActionSaveEdits->setEnabled( mActionToggleEditing->isEnabled() && mLayer->isEditable() );
mActionReload->setEnabled( ! mLayer->isEditable() );
mActionAddAttribute->setEnabled( ( canChangeAttributes || canAddAttributes ) && mLayer->isEditable() );
mActionRemoveAttribute->setEnabled( canDeleteAttributes && mLayer->isEditable() );
if ( !canDeleteFeatures )
{
mToolbar->removeAction( mActionDeleteSelected );
mToolbar->removeAction( mActionCutSelectedRows );
}
mActionAddFeature->setEnabled( canAddFeatures && mLayer->isEditable() );
mActionPasteFeatures->setEnabled( canAddFeatures && mLayer->isEditable() );
if ( !canAddFeatures )
{
mToolbar->removeAction( mActionAddFeature );
mToolbar->removeAction( mActionPasteFeatures );
}
mMainViewButtonGroup->setId( mTableViewButton, QgsDualView::AttributeTable );
mMainViewButtonGroup->setId( mAttributeViewButton, QgsDualView::AttributeEditor );
switch ( initialMode )
{
case QgsAttributeTableFilterModel::ShowVisible:
filterVisible();
break;
case QgsAttributeTableFilterModel::ShowSelected:
filterSelected();
break;
case QgsAttributeTableFilterModel::ShowAll:
default:
filterShowAll();
break;
}
// Layer might have been destroyed while loading!
if ( mLayer )
{
mUpdateExpressionText->registerExpressionContextGenerator( this );
mFieldCombo->setFilters( QgsFieldProxyModel::AllTypes | QgsFieldProxyModel::HideReadOnly );
mFieldCombo->setLayer( mLayer );
connect( mRunFieldCalc, &QAbstractButton::clicked, this, &QgsAttributeTableDialog::updateFieldFromExpression );
connect( mRunFieldCalcSelected, &QAbstractButton::clicked, this, &QgsAttributeTableDialog::updateFieldFromExpressionSelected );
// NW TODO Fix in 2.6 - Doesn't work with field model for some reason.
// connect( mUpdateExpressionText, SIGNAL( returnPressed() ), this, SLOT( updateFieldFromExpression() ) );
connect( mUpdateExpressionText, static_cast < void ( QgsFieldExpressionWidget::* )( const QString &, bool ) > ( &QgsFieldExpressionWidget::fieldChanged ), this, &QgsAttributeTableDialog::updateButtonStatus );
mUpdateExpressionText->setLayer( mLayer );
mUpdateExpressionText->setLeftHandButtonStyle( true );
int initialView = settings.value( QStringLiteral( "qgis/attributeTableView" ), -1 ).toInt();
if ( initialView < 0 )
{
initialView = settings.value( QStringLiteral( "qgis/attributeTableLastView" ), QgsDualView::AttributeTable ).toInt();
}
mMainView->setView( static_cast< QgsDualView::ViewMode >( initialView ) );
mMainViewButtonGroup->button( initialView )->setChecked( true );
connect( mActionToggleMultiEdit, &QAction::toggled, mMainView, &QgsDualView::setMultiEditEnabled );
connect( mActionSearchForm, &QAction::toggled, mMainView, &QgsDualView::toggleSearchMode );
updateMultiEditButtonState();
if ( mLayer->editFormConfig().layout() == QgsEditFormConfig::UiFileLayout )
{
//not supported with custom UI
mActionToggleMultiEdit->setEnabled( false );
mActionToggleMultiEdit->setToolTip( tr( "Multiedit is not supported when using custom UI forms" ) );
mActionSearchForm->setEnabled( false );
mActionSearchForm->setToolTip( tr( "Search is not supported when using custom UI forms" ) );
}
editingToggled();
// Close and delete if the layer has been destroyed
connect( mLayer, &QObject::destroyed, this, &QWidget::close );
}
else
{
QWidget::close();
}
}
QgsVectorLayerExporter::ExportError
QgsVectorLayerExporter::exportLayer( QgsVectorLayer *layer,
const QString &uri,
const QString &providerKey,
const QgsCoordinateReferenceSystem &destCRS,
bool onlySelected,
QString *errorMessage,
const QMap<QString, QVariant> &options,
QgsFeedback *feedback )
{
QgsCoordinateReferenceSystem outputCRS;
QgsCoordinateTransform ct;
bool shallTransform = false;
if ( !layer )
return ErrInvalidLayer;
if ( destCRS.isValid() )
{
// This means we should transform
outputCRS = destCRS;
shallTransform = true;
}
else
{
// This means we shouldn't transform, use source CRS as output (if defined)
outputCRS = layer->crs();
}
bool overwrite = false;
bool forceSinglePartGeom = false;
QMap<QString, QVariant> providerOptions = options;
if ( !options.isEmpty() )
{
overwrite = providerOptions.take( QStringLiteral( "overwrite" ) ).toBool();
forceSinglePartGeom = providerOptions.take( QStringLiteral( "forceSinglePartGeometryType" ) ).toBool();
}
QgsFields fields = layer->fields();
QgsWkbTypes::Type wkbType = layer->wkbType();
// Special handling for Shapefiles
if ( layer->providerType() == QLatin1String( "ogr" ) && layer->storageType() == QLatin1String( "ESRI Shapefile" ) )
{
// convert field names to lowercase
for ( int fldIdx = 0; fldIdx < fields.count(); ++fldIdx )
{
fields[fldIdx].setName( fields.at( fldIdx ).name().toLower() );
}
if ( !forceSinglePartGeom )
{
// convert wkbtype to multipart (see #5547)
switch ( wkbType )
{
case QgsWkbTypes::Point:
wkbType = QgsWkbTypes::MultiPoint;
break;
case QgsWkbTypes::LineString:
wkbType = QgsWkbTypes::MultiLineString;
break;
case QgsWkbTypes::Polygon:
wkbType = QgsWkbTypes::MultiPolygon;
break;
case QgsWkbTypes::Point25D:
wkbType = QgsWkbTypes::MultiPoint25D;
break;
case QgsWkbTypes::LineString25D:
wkbType = QgsWkbTypes::MultiLineString25D;
break;
case QgsWkbTypes::Polygon25D:
wkbType = QgsWkbTypes::MultiPolygon25D;
break;
default:
break;
}
}
}
QgsVectorLayerExporter *writer =
new QgsVectorLayerExporter( uri, providerKey, fields, wkbType, outputCRS, overwrite, providerOptions );
// check whether file creation was successful
ExportError err = writer->errorCode();
if ( err != NoError )
{
if ( errorMessage )
*errorMessage = writer->errorMessage();
delete writer;
return err;
}
if ( errorMessage )
{
errorMessage->clear();
}
QgsFeature fet;
QgsFeatureRequest req;
if ( wkbType == QgsWkbTypes::NoGeometry )
req.setFlags( QgsFeatureRequest::NoGeometry );
if ( onlySelected )
req.setFilterFids( layer->selectedFeatureIds() );
QgsFeatureIterator fit = layer->getFeatures( req );
// Create our transform
if ( destCRS.isValid() )
{
Q_NOWARN_DEPRECATED_PUSH
ct = QgsCoordinateTransform( layer->crs(), destCRS );
Q_NOWARN_DEPRECATED_POP
}
