void QgsZonalStatisticsDialog::insertAvailableLayers()
{
//insert available raster layers
//enter available layers into the combo box
QMap<QString, QgsMapLayer*> mapLayers = QgsMapLayerRegistry::instance()->mapLayers();
QMap<QString, QgsMapLayer*>::iterator layer_it = mapLayers.begin();
for ( ; layer_it != mapLayers.end(); ++layer_it )
{
QgsRasterLayer* rl = dynamic_cast<QgsRasterLayer*>( layer_it.value() );
if ( rl )
{
QgsRasterDataProvider* rp = rl->dataProvider();
if ( rp && rp->name() == "gdal" )
{
mRasterLayerComboBox->addItem( rl->name(), QVariant( rl->id() ) );
}
}
else
{
QgsVectorLayer* vl = dynamic_cast<QgsVectorLayer*>( layer_it.value() );
if ( vl && vl->geometryType() == QGis::Polygon )
{
QgsVectorDataProvider* provider = vl->dataProvider();
if ( provider->capabilities() & QgsVectorDataProvider::AddAttributes )
{
mPolygonLayerComboBox->addItem( vl->name(), QVariant( vl->id() ) );
}
}
}
}
}
bool QgsVectorLayerEditBuffer::commitChanges( QStringList& commitErrors )
{
QgsVectorDataProvider* provider = L->dataProvider();
commitErrors.clear();
int cap = provider->capabilities();
bool success = true;
//
// update geometries
//
if ( !mChangedGeometries.isEmpty() )
{
if (( cap & QgsVectorDataProvider::ChangeGeometries ) && provider->changeGeometryValues( mChangedGeometries ) )
{
commitErrors << tr( "SUCCESS: %n geometries were changed.", "changed geometries count", mChangedGeometries.size() );
emit committedGeometriesChanges( L->id(), mChangedGeometries );
mChangedGeometries.clear();
}
else
{
commitErrors << tr( "ERROR: %n geometries not changed.", "not changed geometries count", mChangedGeometries.size() );
success = false;
}
}
QgsFields oldFields = L->fields();
//
// delete attributes
//
bool attributesChanged = false;
if ( !mDeletedAttributeIds.isEmpty() )
{
if (( cap & QgsVectorDataProvider::DeleteAttributes ) && provider->deleteAttributes( mDeletedAttributeIds.toSet() ) )
{
commitErrors << tr( "SUCCESS: %n attribute(s) deleted.", "deleted attributes count", mDeletedAttributeIds.size() );
emit committedAttributesDeleted( L->id(), mDeletedAttributeIds );
mDeletedAttributeIds.clear();
attributesChanged = true;
}
else
{
commitErrors << tr( "ERROR: %n attribute(s) not deleted.", "not deleted attributes count", mDeletedAttributeIds.size() );
#if 0
QString list = "ERROR: Pending attribute deletes:";
Q_FOREACH ( int idx, mDeletedAttributeIds )
{
list.append( ' ' + L->pendingFields().at( idx ).name() );
}
commitErrors << list;
#endif
success = false;
}
}
bool QgsVectorLayerFeatureIterator::providerCanSimplify( QgsSimplifyMethod::MethodType methodType ) const
{
QgsVectorDataProvider* provider = L->dataProvider();
if ( provider && methodType != QgsSimplifyMethod::NoSimplification )
{
int capabilities = provider->capabilities();
if ( methodType == QgsSimplifyMethod::OptimizeForRendering )
{
return ( capabilities & QgsVectorDataProvider::SimplifyGeometries );
}
else if ( methodType == QgsSimplifyMethod::PreserveTopology )
{
return ( capabilities & QgsVectorDataProvider::SimplifyGeometriesWithTopologicalValidation );
}
}
return false;
}
void QgsAddJoinDialog::on_mJoinLayerComboBox_currentIndexChanged( int index )
{
mJoinFieldComboBox->clear();
QString layerId = mJoinLayerComboBox->itemData( index ).toString();
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( layerId );
QgsVectorLayer* vLayer = dynamic_cast<QgsVectorLayer*>( layer );
if ( !vLayer )
{
return;
}
QStandardItemModel* subsetModel = new QStandardItemModel( this );
const QgsFields& layerFields = vLayer->pendingFields();
for ( int idx = 0; idx < layerFields.count(); ++idx )
{
mJoinFieldComboBox->addItem( layerFields[idx].name(), idx );
QStandardItem* subsetItem = new QStandardItem( layerFields[idx].name() );
subsetItem->setCheckable( true );
//subsetItem->setFlags( subsetItem->flags() | Qt::ItemIsUserCheckable );
subsetModel->appendRow( subsetItem );
}
//does provider support creation of attribute indices?
QgsVectorDataProvider* dp = vLayer->dataProvider();
if ( dp && ( dp->capabilities() & QgsVectorDataProvider::CreateAttributeIndex ) )
{
mCreateIndexCheckBox->setEnabled( true );
}
else
{
mCreateIndexCheckBox->setEnabled( false );
mCreateIndexCheckBox->setChecked( false );
}
mJoinFieldsSubsetView->setModel( subsetModel );
if ( !mUseCustomPrefix->isChecked() )
{
mCustomPrefix->setText( layer->name() + "_" );
}
}
bool QgsVectorLayerEditBuffer::commitChanges( QStringList& commitErrors )
{
QgsVectorDataProvider* provider = L->dataProvider();
commitErrors.clear();
int cap = provider->capabilities();
bool success = true;
QgsFields oldFields = L->pendingFields();
bool hadPendingDeletes = !mDeletedFeatureIds.isEmpty();
//
// delete attributes
//
bool attributesChanged = false;
if ( !mDeletedAttributeIds.isEmpty() )
{
if (( cap & QgsVectorDataProvider::DeleteAttributes ) && provider->deleteAttributes( mDeletedAttributeIds.toSet() ) )
{
commitErrors << tr( "SUCCESS: %n attribute(s) deleted.", "deleted attributes count", mDeletedAttributeIds.size() );
emit committedAttributesDeleted( L->id(), mDeletedAttributeIds );
mDeletedAttributeIds.clear();
attributesChanged = true;
}
else
{
commitErrors << tr( "ERROR: %n attribute(s) not deleted.", "not deleted attributes count", mDeletedAttributeIds.size() );
#if 0
QString list = "ERROR: Pending attribute deletes:";
foreach ( int idx, mDeletedAttributeIds )
{
list.append( " " + L->pendingFields()[idx].name() );
}
commitErrors << list;
#endif
success = false;
}
}
void QgsJoinDialog::joinedLayerChanged( QgsMapLayer* layer )
{
mJoinFieldComboBox->clear();
QgsVectorLayer* vLayer = dynamic_cast<QgsVectorLayer*>( layer );
if ( !vLayer )
{
return;
}
mUseJoinFieldsSubset->setChecked( false );
QStandardItemModel* subsetModel = new QStandardItemModel( this );
const QgsFields& layerFields = vLayer->pendingFields();
for ( int idx = 0; idx < layerFields.count(); ++idx )
{
QStandardItem* subsetItem = new QStandardItem( layerFields[idx].name() );
subsetItem->setCheckable( true );
//subsetItem->setFlags( subsetItem->flags() | Qt::ItemIsUserCheckable );
subsetModel->appendRow( subsetItem );
}
mJoinFieldsSubsetView->setModel( subsetModel );
QgsVectorDataProvider* dp = vLayer->dataProvider();
bool canCreateAttrIndex = dp && ( dp->capabilities() & QgsVectorDataProvider::CreateAttributeIndex );
if ( canCreateAttrIndex )
{
mCreateIndexCheckBox->setEnabled( true );
}
else
{
mCreateIndexCheckBox->setEnabled( false );
mCreateIndexCheckBox->setChecked( false );
}
if ( !mUseCustomPrefix->isChecked() )
{
mCustomPrefix->setText( layer->name() + "_" );
}
}
void QgsMapToolDigitizeFeature::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
{
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mLayer );
if ( !vlayer )
//if no given layer take the current from canvas
vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
QgsWkbTypes::Type layerWKBType = vlayer->wkbType();
QgsVectorDataProvider *provider = vlayer->dataProvider();
if ( !( provider->capabilities() & QgsVectorDataProvider::AddFeatures ) )
{
emit messageEmitted( tr( "The data provider for this layer does not support the addition of features." ), Qgis::Warning );
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
// POINT CAPTURING
if ( mode() == CapturePoint )
{
if ( e->button() != Qt::LeftButton )
return;
//check we only use this tool for point/multipoint layers
if ( vlayer->geometryType() != QgsWkbTypes::PointGeometry && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture point' tool on this vector layer" ), Qgis::Warning );
return;
}
QgsPointXY savePoint; //point in layer coordinates
try
{
QgsPoint fetchPoint;
int res;
res = fetchLayerPoint( e->mapPointMatch(), fetchPoint );
if ( res == 0 )
{
savePoint = QgsPointXY( fetchPoint.x(), fetchPoint.y() );
}
else
{
savePoint = toLayerCoordinates( vlayer, e->mapPoint() );
}
QgsDebugMsg( "savePoint = " + savePoint.toString() );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
emit messageEmitted( tr( "Cannot transform the point to the layers coordinate system" ), Qgis::Warning );
return;
}
//only do the rest for provider with feature addition support
//note that for the grass provider, this will return false since
//grass provider has its own mechanism of feature addition
if ( provider->capabilities() & QgsVectorDataProvider::AddFeatures )
{
QgsFeature f( vlayer->fields(), 0 );
QgsGeometry g;
if ( layerWKBType == QgsWkbTypes::Point )
{
g = QgsGeometry::fromPointXY( savePoint );
}
else if ( !QgsWkbTypes::isMultiType( layerWKBType ) && QgsWkbTypes::hasZ( layerWKBType ) )
{
g = QgsGeometry( new QgsPoint( QgsWkbTypes::PointZ, savePoint.x(), savePoint.y(), defaultZValue() ) );
}
else if ( QgsWkbTypes::isMultiType( layerWKBType ) && !QgsWkbTypes::hasZ( layerWKBType ) )
{
g = QgsGeometry::fromMultiPointXY( QgsMultiPointXY() << savePoint );
}
else if ( QgsWkbTypes::isMultiType( layerWKBType ) && QgsWkbTypes::hasZ( layerWKBType ) )
{
QgsMultiPoint *mp = new QgsMultiPoint();
mp->addGeometry( new QgsPoint( QgsWkbTypes::PointZ, savePoint.x(), savePoint.y(), defaultZValue() ) );
g = QgsGeometry( mp );
}
else
{
// if layer supports more types (mCheckGeometryType is false)
g = QgsGeometry::fromPointXY( savePoint );
}
if ( QgsWkbTypes::hasM( layerWKBType ) )
{
g.get()->addMValue();
}
f.setGeometry( g );
f.setValid( true );
digitized( f );
// we are done with digitizing for now so instruct advanced digitizing dock to reset its CAD points
cadDockWidget()->clearPoints();
}
}
// LINE AND POLYGON CAPTURING
else if ( mode() == CaptureLine || mode() == CapturePolygon )
{
//check we only use the line tool for line/multiline layers
if ( mode() == CaptureLine && vlayer->geometryType() != QgsWkbTypes::LineGeometry && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture line' tool on this vector layer" ), Qgis::Warning );
return;
}
//check we only use the polygon tool for polygon/multipolygon layers
if ( mode() == CapturePolygon && vlayer->geometryType() != QgsWkbTypes::PolygonGeometry && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture polygon' tool on this vector layer" ), Qgis::Warning );
return;
}
//add point to list and to rubber band
if ( e->button() == Qt::LeftButton )
{
int error = addVertex( e->mapPoint(), e->mapPointMatch() );
if ( error == 1 )
{
//current layer is not a vector layer
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
emit messageEmitted( tr( "Cannot transform the point to the layers coordinate system" ), Qgis::Warning );
return;
}
startCapturing();
}
else if ( e->button() == Qt::RightButton )
{
// End of string
deleteTempRubberBand();
//lines: bail out if there are not at least two vertices
if ( mode() == CaptureLine && size() < 2 )
{
stopCapturing();
return;
}
//polygons: bail out if there are not at least two vertices
if ( mode() == CapturePolygon && size() < 3 )
{
stopCapturing();
return;
}
if ( mode() == CapturePolygon )
{
closePolygon();
}
//create QgsFeature with wkb representation
std::unique_ptr< QgsFeature > f( new QgsFeature( vlayer->fields(), 0 ) );
//does compoundcurve contain circular strings?
//does provider support circular strings?
bool hasCurvedSegments = captureCurve()->hasCurvedSegments();
bool providerSupportsCurvedSegments = vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::CircularGeometries;
QList<QgsPointLocator::Match> snappingMatchesList;
QgsCurve *curveToAdd = nullptr;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
curveToAdd = captureCurve()->clone();
}
else
{
curveToAdd = captureCurve()->curveToLine();
snappingMatchesList = snappingMatches();
}
if ( mode() == CaptureLine )
{
QgsGeometry g( curveToAdd );
f->setGeometry( g );
}
else
{
QgsCurvePolygon *poly = nullptr;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
poly = new QgsCurvePolygon();
}
else
{
poly = new QgsPolygon();
}
poly->setExteriorRing( curveToAdd );
QgsGeometry g( poly );
f->setGeometry( g );
QgsGeometry featGeom = f->geometry();
int avoidIntersectionsReturn = featGeom.avoidIntersections( QgsProject::instance()->avoidIntersectionsLayers() );
f->setGeometry( featGeom );
if ( avoidIntersectionsReturn == 1 )
{
//not a polygon type. Impossible to get there
}
if ( f->geometry().isEmpty() ) //avoid intersection might have removed the whole geometry
{
emit messageEmitted( tr( "The feature cannot be added because it's geometry collapsed due to intersection avoidance" ), Qgis::Critical );
stopCapturing();
return;
}
}
f->setValid( true );
digitized( *f );
stopCapturing();
}
}
}
void QgsMapToolAddFeature::canvasReleaseEvent( QMouseEvent * e )
{
QgsDebugMsg( "entered." );
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( mCanvas->currentLayer() );
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
QGis::WkbType layerWKBType = vlayer->wkbType();
QgsVectorDataProvider* provider = vlayer->dataProvider();
if ( !( provider->capabilities() & QgsVectorDataProvider::AddFeatures ) )
{
QMessageBox::information( 0, tr( "Layer cannot be added to" ),
tr( "The data provider for this layer does not support the addition of features." ) );
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
// POINT CAPTURING
if ( mode() == CapturePoint )
{
//check we only use this tool for point/multipoint layers
if ( vlayer->geometryType() != QGis::Point )
{
QMessageBox::information( 0, tr( "Wrong editing tool" ),
tr( "Cannot apply the 'capture point' tool on this vector layer" ) );
return;
}
QgsPoint idPoint; //point in map coordinates
QList<QgsSnappingResult> snapResults;
QgsPoint savePoint; //point in layer coordinates
if ( mSnapper.snapToBackgroundLayers( e->pos(), snapResults ) == 0 )
{
idPoint = snapPointFromResults( snapResults, e->pos() );
try
{
savePoint = toLayerCoordinates( vlayer, idPoint );
QgsDebugMsg( "savePoint = " + savePoint.toString() );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
QMessageBox::information( 0, tr( "Coordinate transform error" ),
tr( "Cannot transform the point to the layers coordinate system" ) );
return;
}
}
//only do the rest for provider with feature addition support
//note that for the grass provider, this will return false since
//grass provider has its own mechanism of feature addition
if ( provider->capabilities() & QgsVectorDataProvider::AddFeatures )
{
QgsFeature* f = new QgsFeature( 0, "WKBPoint" );
QgsGeometry *g = 0;
if ( layerWKBType == QGis::WKBPoint || layerWKBType == QGis::WKBPoint25D )
{
g = QgsGeometry::fromPoint( savePoint );
}
else if ( layerWKBType == QGis::WKBMultiPoint || layerWKBType == QGis::WKBMultiPoint25D )
{
g = QgsGeometry::fromMultiPoint( QgsMultiPoint() << savePoint );
}
f->setGeometry( g );
vlayer->beginEditCommand( tr( "Feature added" ) );
if ( addFeature( vlayer, f ) )
{
vlayer->endEditCommand();
}
else
{
delete f;
vlayer->destroyEditCommand();
}
mCanvas->refresh();
}
}
else if ( mode() == CaptureLine || mode() == CapturePolygon )
{
//check we only use the line tool for line/multiline layers
if ( mode() == CaptureLine && vlayer->geometryType() != QGis::Line )
{
QMessageBox::information( 0, tr( "Wrong editing tool" ),
tr( "Cannot apply the 'capture line' tool on this vector layer" ) );
return;
}
//check we only use the polygon tool for polygon/multipolygon layers
if ( mode() == CapturePolygon && vlayer->geometryType() != QGis::Polygon )
{
QMessageBox::information( 0, tr( "Wrong editing tool" ),
tr( "Cannot apply the 'capture polygon' tool on this vector layer" ) );
return;
}
//add point to list and to rubber band
int error = addVertex( e->pos() );
if ( error == 1 )
{
//current layer is not a vector layer
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
QMessageBox::information( 0, tr( "Coordinate transform error" ),
tr( "Cannot transform the point to the layers coordinate system" ) );
return;
}
if ( e->button() == Qt::LeftButton )
{
startCapturing();
}
else if ( e->button() == Qt::RightButton )
{
// End of string
//lines: bail out if there are not at least two vertices
if ( mode() == CaptureLine && size() < 2 )
{
stopCapturing();
return;
}
//polygons: bail out if there are not at least two vertices
if ( mode() == CapturePolygon && size() < 3 )
{
stopCapturing();
return;
}
//create QgsFeature with wkb representation
QgsFeature* f = new QgsFeature( 0, "WKBLineString" );
QgsGeometry *g;
if ( mode() == CaptureLine )
{
if ( layerWKBType == QGis::WKBLineString || layerWKBType == QGis::WKBLineString25D )
{
g = QgsGeometry::fromPolyline( points().toVector() );
}
else if ( layerWKBType == QGis::WKBMultiLineString || layerWKBType == QGis::WKBMultiLineString25D )
{
g = QgsGeometry::fromMultiPolyline( QgsMultiPolyline() << points().toVector() );
}
else
{
QMessageBox::critical( 0, tr( "Error" ), tr( "Cannot add feature. Unknown WKB type" ) );
stopCapturing();
return; //unknown wkbtype
}
f->setGeometry( g );
}
else // polygon
{
if ( layerWKBType == QGis::WKBPolygon || layerWKBType == QGis::WKBPolygon25D )
{
g = QgsGeometry::fromPolygon( QgsPolygon() << points().toVector() );
}
else if ( layerWKBType == QGis::WKBMultiPolygon || layerWKBType == QGis::WKBMultiPolygon25D )
{
g = QgsGeometry::fromMultiPolygon( QgsMultiPolygon() << ( QgsPolygon() << points().toVector() ) );
}
else
{
QMessageBox::critical( 0, tr( "Error" ), tr( "Cannot add feature. Unknown WKB type" ) );
stopCapturing();
return; //unknown wkbtype
}
if ( !g )
{
stopCapturing();
delete f;
return; // invalid geometry; one possibility is from duplicate points
}
f->setGeometry( g );
int avoidIntersectionsReturn = f->geometry()->avoidIntersections();
if ( avoidIntersectionsReturn == 1 )
{
//not a polygon type. Impossible to get there
}
#if 0
else if ( avoidIntersectionsReturn == 2 ) //MH120131: disable this error message until there is a better way to cope with the single type / multi type problem
{
//bail out...
QMessageBox::critical( 0, tr( "Error" ), tr( "The feature could not be added because removing the polygon intersections would change the geometry type" ) );
delete f;
stopCapturing();
return;
}
#endif
else if ( avoidIntersectionsReturn == 3 )
{
QMessageBox::critical( 0, tr( "Error" ), tr( "An error was reported during intersection removal" ) );
}
}
vlayer->beginEditCommand( tr( "Feature added" ) );
if ( addFeature( vlayer, f ) )
{
//add points to other features to keep topology up-to-date
int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 );
if ( topologicalEditing )
{
vlayer->addTopologicalPoints( f->geometry() );
}
vlayer->endEditCommand();
}
else
{
delete f;
vlayer->destroyEditCommand();
}
stopCapturing();
}
}
}
void QgsWfsProjectParser::featureTypeList( QDomElement& parentElement, QDomDocument& doc ) const
{
const QList<QDomElement>& projectLayerElements = mProjectParser->projectLayerElements();
if ( projectLayerElements.size() < 1 )
{
return;
}
QStringList wfsLayersId = mProjectParser->wfsLayers();
QSet<QString> wfstUpdateLayersId = wfstUpdateLayers();
QSet<QString> wfstInsertLayersId = wfstInsertLayers();
QSet<QString> wfstDeleteLayersId = wfstDeleteLayers();
QMap<QString, QgsMapLayer *> layerMap;
Q_FOREACH ( const QDomElement &elem, projectLayerElements )
{
QString type = elem.attribute( "type" );
if ( type == "vector" )
{
QString layerId = mProjectParser->layerId( elem );
if ( !wfsLayersId.contains( layerId ) )
{
continue;
}
QgsMapLayer *layer = mProjectParser->createLayerFromElement( elem );
if ( !layer )
{
continue;
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( !mAccessControl->layerReadPermission( layer ) )
{
continue;
}
#endif
QgsDebugMsg( QString( "add layer %1 to map" ).arg( layer->id() ) );
layerMap.insert( layer->id(), layer );
QDomElement layerElem = doc.createElement( "FeatureType" );
QDomElement nameElem = doc.createElement( "Name" );
//We use the layer name even though it might not be unique.
//Because the id sometimes contains user/pw information and the name is more descriptive
QString typeName = layer->name();
if ( !layer->shortName().isEmpty() )
typeName = layer->shortName();
typeName = typeName.replace( " ", "_" );
QDomText nameText = doc.createTextNode( typeName );
nameElem.appendChild( nameText );
layerElem.appendChild( nameElem );
QDomElement titleElem = doc.createElement( "Title" );
QString titleName = layer->title();
if ( titleName.isEmpty() )
{
titleName = layer->name();
}
QDomText titleText = doc.createTextNode( titleName );
titleElem.appendChild( titleText );
layerElem.appendChild( titleElem );
QDomElement abstractElem = doc.createElement( "Abstract" );
QString abstractName = layer->abstract();
if ( abstractName.isEmpty() )
{
abstractName = "";
}
QDomText abstractText = doc.createTextNode( abstractName );
abstractElem.appendChild( abstractText );
layerElem.appendChild( abstractElem );
//keyword list
if ( !layer->keywordList().isEmpty() )
{
QDomElement keywordsElem = doc.createElement( "Keywords" );
QDomText keywordsText = doc.createTextNode( layer->keywordList() );
keywordsElem.appendChild( keywordsText );
layerElem.appendChild( keywordsElem );
}
//appendExGeographicBoundingBox( layerElem, doc, layer->extent(), layer->crs() );
QDomElement srsElem = doc.createElement( "SRS" );
QDomText srsText = doc.createTextNode( layer->crs().authid() );
srsElem.appendChild( srsText );
layerElem.appendChild( srsElem );
//wfs:Operations element
QDomElement operationsElement = doc.createElement( "Operations"/*wfs:Operations*/ );
//wfs:Query element
QDomElement queryElement = doc.createElement( "Query"/*wfs:Query*/ );
operationsElement.appendChild( queryElement );
QgsVectorLayer* vlayer = qobject_cast<QgsVectorLayer*>( layer );
QgsVectorDataProvider* provider = vlayer->dataProvider();
if (( provider->capabilities() & QgsVectorDataProvider::AddFeatures ) && wfstInsertLayersId.contains( layer->id() ) )
{
//wfs:Insert element
QDomElement insertElement = doc.createElement( "Insert"/*wfs:Insert*/ );
operationsElement.appendChild( insertElement );
}
if (( provider->capabilities() & QgsVectorDataProvider::ChangeAttributeValues ) &&
( provider->capabilities() & QgsVectorDataProvider::ChangeGeometries ) &&
wfstUpdateLayersId.contains( layer->id() ) )
{
//wfs:Update element
QDomElement updateElement = doc.createElement( "Update"/*wfs:Update*/ );
operationsElement.appendChild( updateElement );
}
if (( provider->capabilities() & QgsVectorDataProvider::DeleteFeatures ) && wfstDeleteLayersId.contains( layer->id() ) )
{
//wfs:Delete element
QDomElement deleteElement = doc.createElement( "Delete"/*wfs:Delete*/ );
operationsElement.appendChild( deleteElement );
}
layerElem.appendChild( operationsElement );
QgsRectangle layerExtent = layer->extent();
QDomElement bBoxElement = doc.createElement( "LatLongBoundingBox" );
bBoxElement.setAttribute( "minx", QString::number( layerExtent.xMinimum() ) );
bBoxElement.setAttribute( "miny", QString::number( layerExtent.yMinimum() ) );
bBoxElement.setAttribute( "maxx", QString::number( layerExtent.xMaximum() ) );
bBoxElement.setAttribute( "maxy", QString::number( layerExtent.yMaximum() ) );
layerElem.appendChild( bBoxElement );
// layer metadata URL
QString metadataUrl = layer->metadataUrl();
if ( !metadataUrl.isEmpty() )
{
QDomElement metaUrlElem = doc.createElement( "MetadataURL" );
QString metadataUrlType = layer->metadataUrlType();
metaUrlElem.setAttribute( "type", metadataUrlType );
QString metadataUrlFormat = layer->metadataUrlFormat();
if ( metadataUrlFormat == "text/xml" )
{
metaUrlElem.setAttribute( "format", "XML" );
}
else
{
metaUrlElem.setAttribute( "format", "TXT" );
}
QDomText metaUrlText = doc.createTextNode( metadataUrl );
metaUrlElem.appendChild( metaUrlText );
layerElem.appendChild( metaUrlElem );
}
parentElement.appendChild( layerElem );
}
}
QDomElement getFeatureTypeListElement( QDomDocument &doc, QgsServerInterface *serverIface, const QgsProject *project )
{
QgsAccessControl *accessControl = serverIface->accessControls();
//wfs:FeatureTypeList element
QDomElement featureTypeListElement = doc.createElement( QStringLiteral( "FeatureTypeList" )/*wfs:FeatureTypeList*/ );
//wfs:Operations element
QDomElement operationsElement = doc.createElement( QStringLiteral( "Operations" )/*wfs:Operations*/ );
featureTypeListElement.appendChild( operationsElement );
//wfs:Query element
QDomElement queryElement = doc.createElement( QStringLiteral( "Query" )/*wfs:Query*/ );
operationsElement.appendChild( queryElement );
QStringList wfsLayerIds = QgsServerProjectUtils::wfsLayerIds( *project );
QStringList wfstUpdateLayersId = QgsServerProjectUtils::wfstUpdateLayerIds( *project );
QStringList wfstInsertLayersId = QgsServerProjectUtils::wfstInsertLayerIds( *project );
QStringList wfstDeleteLayersId = QgsServerProjectUtils::wfstDeleteLayerIds( *project );
for ( int i = 0; i < wfsLayerIds.size(); ++i )
{
QgsMapLayer *layer = project->mapLayer( wfsLayerIds.at( i ) );
if ( layer->type() != QgsMapLayer::LayerType::VectorLayer )
{
continue;
}
if ( accessControl && !accessControl->layerReadPermission( layer ) )
{
continue;
}
QDomElement layerElem = doc.createElement( QStringLiteral( "FeatureType" ) );
//create Name
QDomElement nameElem = doc.createElement( QStringLiteral( "Name" ) );
QString typeName = layer->name();
if ( !layer->shortName().isEmpty() )
typeName = layer->shortName();
typeName = typeName.replace( QLatin1String( " " ), QLatin1String( "_" ) );
QDomText nameText = doc.createTextNode( typeName );
nameElem.appendChild( nameText );
layerElem.appendChild( nameElem );
//create Title
QDomElement titleElem = doc.createElement( QStringLiteral( "Title" ) );
QString title = layer->title();
if ( title.isEmpty() )
{
title = layer->name();
}
QDomText titleText = doc.createTextNode( title );
titleElem.appendChild( titleText );
layerElem.appendChild( titleElem );
//create Abstract
QString abstract = layer->abstract();
if ( !abstract.isEmpty() )
{
QDomElement abstractElem = doc.createElement( QStringLiteral( "Abstract" ) );
QDomText abstractText = doc.createTextNode( abstract );
abstractElem.appendChild( abstractText );
layerElem.appendChild( abstractElem );
}
//create keywords
QString keywords = layer->keywordList();
if ( !keywords.isEmpty() )
{
QDomElement keywordsElem = doc.createElement( QStringLiteral( "Keywords" ) );
QDomText keywordsText = doc.createTextNode( keywords );
keywordsElem.appendChild( keywordsText );
layerElem.appendChild( keywordsElem );
}
//create SRS
QDomElement srsElem = doc.createElement( QStringLiteral( "SRS" ) );
QDomText srsText = doc.createTextNode( layer->crs().authid() );
srsElem.appendChild( srsText );
layerElem.appendChild( srsElem );
//create LatLongBoundingBox
QgsRectangle layerExtent = layer->extent();
QDomElement bBoxElement = doc.createElement( QStringLiteral( "LatLongBoundingBox" ) );
bBoxElement.setAttribute( QStringLiteral( "minx" ), QString::number( layerExtent.xMinimum() ) );
bBoxElement.setAttribute( QStringLiteral( "miny" ), QString::number( layerExtent.yMinimum() ) );
bBoxElement.setAttribute( QStringLiteral( "maxx" ), QString::number( layerExtent.xMaximum() ) );
bBoxElement.setAttribute( QStringLiteral( "maxy" ), QString::number( layerExtent.yMaximum() ) );
layerElem.appendChild( bBoxElement );
// layer metadata URL
QString metadataUrl = layer->metadataUrl();
if ( !metadataUrl.isEmpty() )
{
QDomElement metaUrlElem = doc.createElement( QStringLiteral( "MetadataURL" ) );
QString metadataUrlType = layer->metadataUrlType();
metaUrlElem.setAttribute( QStringLiteral( "type" ), metadataUrlType );
QString metadataUrlFormat = layer->metadataUrlFormat();
if ( metadataUrlFormat == QLatin1String( "text/xml" ) )
{
metaUrlElem.setAttribute( QStringLiteral( "format" ), QStringLiteral( "XML" ) );
}
else
{
metaUrlElem.setAttribute( QStringLiteral( "format" ), QStringLiteral( "TXT" ) );
}
QDomText metaUrlText = doc.createTextNode( metadataUrl );
metaUrlElem.appendChild( metaUrlText );
layerElem.appendChild( metaUrlElem );
}
//wfs:Operations element
QDomElement operationsElement = doc.createElement( QStringLiteral( "Operations" )/*wfs:Operations*/ );
//wfs:Query element
QDomElement queryElement = doc.createElement( QStringLiteral( "Query" )/*wfs:Query*/ );
operationsElement.appendChild( queryElement );
if ( wfstUpdateLayersId.contains( layer->id() ) ||
wfstInsertLayersId.contains( layer->id() ) ||
wfstDeleteLayersId.contains( layer->id() ) )
{
QgsVectorLayer *vlayer = qobject_cast<QgsVectorLayer *>( layer );
QgsVectorDataProvider *provider = vlayer->dataProvider();
if ( ( provider->capabilities() & QgsVectorDataProvider::AddFeatures ) && wfstInsertLayersId.contains( layer->id() ) )
{
//wfs:Insert element
QDomElement insertElement = doc.createElement( QStringLiteral( "Insert" )/*wfs:Insert*/ );
operationsElement.appendChild( insertElement );
}
if ( ( provider->capabilities() & QgsVectorDataProvider::ChangeAttributeValues ) &&
( provider->capabilities() & QgsVectorDataProvider::ChangeGeometries ) &&
wfstUpdateLayersId.contains( layer->id() ) )
{
//wfs:Update element
QDomElement updateElement = doc.createElement( QStringLiteral( "Update" )/*wfs:Update*/ );
operationsElement.appendChild( updateElement );
}
if ( ( provider->capabilities() & QgsVectorDataProvider::DeleteFeatures ) && wfstDeleteLayersId.contains( layer->id() ) )
{
//wfs:Delete element
QDomElement deleteElement = doc.createElement( QStringLiteral( "Delete" )/*wfs:Delete*/ );
operationsElement.appendChild( deleteElement );
}
}
layerElem.appendChild( operationsElement );
featureTypeListElement.appendChild( layerElem );
}
return featureTypeListElement;
}
QDomDocument createTransactionDocument( QgsServerInterface* serverIface, const QString& version,
const QgsServerRequest& request )
{
Q_UNUSED( version );
QDomDocument doc;
QgsWfsProjectParser* configParser = getConfigParser( serverIface );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl* accessControl = serverIface->accessControls();
#endif
const QString requestBody = request.getParameter( QStringLiteral( "REQUEST_BODY" ) );
QString errorMsg;
if ( !doc.setContent( requestBody, true, &errorMsg ) )
{
throw QgsRequestNotWellFormedException( errorMsg );
}
QDomElement docElem = doc.documentElement();
QDomNodeList docChildNodes = docElem.childNodes();
// Re-organize the transaction document
QDomDocument mDoc;
QDomElement mDocElem = mDoc.createElement( QStringLiteral( "myTransactionDocument" ) );
mDocElem.setAttribute( QStringLiteral( "xmlns" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:wfs" ), WFS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:gml" ), GML_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:qgs" ), QGS_NAMESPACE );
mDocElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
mDoc.appendChild( mDocElem );
QDomElement actionElem;
QString actionName;
QDomElement typeNameElem;
QString typeName;
for ( int i = docChildNodes.count(); 0 < i; --i )
{
actionElem = docChildNodes.at( i - 1 ).toElement();
actionName = actionElem.localName();
if ( actionName == QLatin1String( "Insert" ) )
{
QDomElement featureElem = actionElem.firstChild().toElement();
typeName = featureElem.localName();
}
else if ( actionName == QLatin1String( "Update" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
else if ( actionName == QLatin1String( "Delete" ) )
{
typeName = actionElem.attribute( QStringLiteral( "typeName" ) );
}
if ( typeName.contains( QLatin1String( ":" ) ) )
typeName = typeName.section( QStringLiteral( ":" ), 1, 1 );
QDomNodeList typeNameList = mDocElem.elementsByTagName( typeName );
if ( typeNameList.count() == 0 )
{
typeNameElem = mDoc.createElement( typeName );
mDocElem.appendChild( typeNameElem );
}
else
typeNameElem = typeNameList.at( 0 ).toElement();
typeNameElem.appendChild( actionElem );
}
// It's time to make the transaction
// Create the response document
QDomDocument resp;
//wfs:WFS_TransactionRespone element
QDomElement respElem = resp.createElement( QStringLiteral( "WFS_TransactionResponse" )/*wfs:WFS_TransactionResponse*/ );
respElem.setAttribute( QStringLiteral( "xmlns" ), WFS_NAMESPACE );
respElem.setAttribute( QStringLiteral( "xmlns:xsi" ), QStringLiteral( "http://www.w3.org/2001/XMLSchema-instance" ) );
respElem.setAttribute( QStringLiteral( "xsi:schemaLocation" ), WFS_NAMESPACE + " http://schemas.opengis.net/wfs/1.0.0/wfs.xsd" );
respElem.setAttribute( QStringLiteral( "xmlns:ogc" ), OGC_NAMESPACE );
respElem.setAttribute( QStringLiteral( "version" ), QStringLiteral( "1.0.0" ) );
resp.appendChild( respElem );
// Store the created feature id for WFS
QStringList insertResults;
// Get the WFS layers id
QStringList wfsLayersId = configParser->wfsLayers();;
QList<QgsMapLayer*> layerList;
QgsMapLayer* currentLayer = nullptr;
// Loop through the layer transaction elements
docChildNodes = mDocElem.childNodes();
for ( int i = 0; i < docChildNodes.count(); ++i )
{
// Get the vector layer
typeNameElem = docChildNodes.at( i ).toElement();
typeName = typeNameElem.tagName();
layerList = configParser->mapLayerFromTypeName( typeName );
// Could be empty!
if ( layerList.count() > 0 )
{
currentLayer = layerList.at( 0 );
}
else
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Wrong TypeName: %1" ).arg( typeName ) );
}
QgsVectorLayer* layer = qobject_cast<QgsVectorLayer*>( currentLayer );
// it's a vectorlayer and defined by the administrator as a WFS layer
if ( layer && wfsLayersId.contains( layer->id() ) )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
if ( actionName == QLatin1String( "Insert" ) )
{
if ( !accessControl->layerInsertPermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature insert permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Update" ) )
{
if ( !accessControl->layerUpdatePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature update permission denied" ) );
}
}
else if ( actionName == QLatin1String( "Delete" ) )
{
if ( !accessControl->layerDeletePermission( layer ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature delete permission denied" ) );
}
}
#endif
// Get the provider and it's capabilities
QgsVectorDataProvider* provider = layer->dataProvider();
if ( !provider )
{
continue;
}
int cap = provider->capabilities();
// Start the update transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::ChangeAttributeValues ) && ( cap & QgsVectorDataProvider::ChangeGeometries ) )
{
// Loop through the update elements for this layer
QDomNodeList upNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Update" ) );
for ( int j = 0; j < upNodeList.count(); ++j )
{
if ( !configParser->wfstUpdateLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS updates on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Update" ), errorMsg );
return resp;
}
actionElem = upNodeList.at( j ).toElement();
// Get the Feature Ids for this filter on the layer
QDomElement filterElem = actionElem.elementsByTagName( QStringLiteral( "Filter" ) ).at( 0 ).toElement();
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
// Loop through the property elements
// Store properties and the geometry element
QDomNodeList propertyNodeList = actionElem.elementsByTagName( QStringLiteral( "Property" ) );
QMap<QString, QString> propertyMap;
QDomElement propertyElem;
QDomElement nameElem;
QDomElement valueElem;
QDomElement geometryElem;
for ( int l = 0; l < propertyNodeList.count(); ++l )
{
propertyElem = propertyNodeList.at( l ).toElement();
nameElem = propertyElem.elementsByTagName( QStringLiteral( "Name" ) ).at( 0 ).toElement();
valueElem = propertyElem.elementsByTagName( QStringLiteral( "Value" ) ).at( 0 ).toElement();
if ( nameElem.text() != QLatin1String( "geometry" ) )
{
propertyMap.insert( nameElem.text(), valueElem.text() );
}
else
{
geometryElem = valueElem;
}
}
// Update the features
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
QString fieldName;
bool conversionSuccess;
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
QMap< QString, QString >::const_iterator it = propertyMap.constBegin();
for ( ; it != propertyMap.constEnd(); ++it )
{
fieldName = it.key();
fieldMapIt = fieldMap.find( fieldName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
if ( field.type() == 2 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toInt( &conversionSuccess ) );
else if ( field.type() == 6 )
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value().toDouble( &conversionSuccess ) );
else
layer->changeAttributeValue( *fidIt, fieldMapIt.value(), it.value() );
}
if ( !geometryElem.isNull() )
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( geometryElem );
if ( !layer->changeGeometry( *fidIt, g ) )
{
throw QgsRequestNotWellFormedException( QStringLiteral( "Error in change geometry" ) );
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
layer->rollBack();
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
#endif
}
}
}
// Commit the changes of the update elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Update" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Start the delete transaction
layer->startEditing();
if (( cap & QgsVectorDataProvider::DeleteFeatures ) )
{
// Loop through the delete elements
QDomNodeList delNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Delete" ) );
for ( int j = 0; j < delNodeList.count(); ++j )
{
if ( !configParser->wfstDeleteLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS deletes on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Delete" ), errorMsg );
return resp;
}
actionElem = delNodeList.at( j ).toElement();
QDomElement filterElem = actionElem.firstChild().toElement();
// Get Feature Ids for the Filter element
QgsFeatureIds fids = getFeatureIdsFromFilter( filterElem, layer );
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureIds::const_iterator fidIt = fids.constBegin();
for ( ; fidIt != fids.constEnd(); ++fidIt )
{
QgsFeatureIterator fit = layer->getFeatures( QgsFeatureRequest( *fidIt ) );
QgsFeature feature;
while ( fit.nextFeature( feature ) )
{
if ( !accessControl->allowToEdit( layer, feature ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
}
}
#endif
layer->selectByIds( fids );
layer->deleteSelectedFeatures();
}
}
// Commit the changes of the delete elements
if ( !layer->commitChanges() )
{
addTransactionResult( resp, respElem, QStringLiteral( "PARTIAL" ), QStringLiteral( "Delete" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
return resp;
}
// Store the inserted features
QgsFeatureList inFeatList;
if ( cap & QgsVectorDataProvider::AddFeatures )
{
// Get Layer Field Information
QgsFields fields = provider->fields();
QMap<QString, int> fieldMap = provider->fieldNameMap();
QMap<QString, int>::const_iterator fieldMapIt;
// Loop through the insert elements
QDomNodeList inNodeList = typeNameElem.elementsByTagNameNS( WFS_NAMESPACE, QStringLiteral( "Insert" ) );
for ( int j = 0; j < inNodeList.count(); ++j )
{
if ( !configParser->wfstInsertLayers().contains( layer->id() ) )
{
//no wfs permissions to do updates
QString errorMsg = "No permissions to do WFS inserts on layer '" + layer->name() + "'";
QgsMessageLog::logMessage( errorMsg, QStringLiteral( "Server" ), QgsMessageLog::CRITICAL );
addTransactionResult( resp, respElem, QStringLiteral( "FAILED" ), QStringLiteral( "Insert" ), errorMsg );
return resp;
}
actionElem = inNodeList.at( j ).toElement();
// Loop through the feature element
QDomNodeList featNodes = actionElem.childNodes();
for ( int l = 0; l < featNodes.count(); l++ )
{
// Add the feature to the layer
// and store it to put it's Feature Id in the response
inFeatList << QgsFeature( fields );
// Create feature for this layer
QDomElement featureElem = featNodes.at( l ).toElement();
QDomNode currentAttributeChild = featureElem.firstChild();
while ( !currentAttributeChild.isNull() )
{
QDomElement currentAttributeElement = currentAttributeChild.toElement();
QString attrName = currentAttributeElement.localName();
if ( attrName != QLatin1String( "boundedBy" ) )
{
if ( attrName != QLatin1String( "geometry" ) ) //a normal attribute
{
fieldMapIt = fieldMap.find( attrName );
if ( fieldMapIt == fieldMap.constEnd() )
{
continue;
}
QgsField field = fields.at( fieldMapIt.value() );
QString attrValue = currentAttributeElement.text();
int attrType = field.type();
QgsMessageLog::logMessage( QStringLiteral( "attr: name=%1 idx=%2 value=%3" ).arg( attrName ).arg( fieldMapIt.value() ).arg( attrValue ) );
if ( attrType == QVariant::Int )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toInt() );
else if ( attrType == QVariant::Double )
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue.toDouble() );
else
inFeatList.last().setAttribute( fieldMapIt.value(), attrValue );
}
else //a geometry attribute
{
QgsGeometry g = QgsOgcUtils::geometryFromGML( currentAttributeElement );
inFeatList.last().setGeometry( g );
}
}
currentAttributeChild = currentAttributeChild.nextSibling();
}
}
}
}
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsFeatureList::iterator featureIt = inFeatList.begin();
while ( featureIt != inFeatList.end() )
{
if ( !accessControl->allowToEdit( layer, *featureIt ) )
{
throw QgsSecurityAccessException( QStringLiteral( "Feature modify permission denied" ) );
}
featureIt++;
}
#endif
// add the features
if ( !provider->addFeatures( inFeatList ) )
{
addTransactionResult( resp, respElem, QStringLiteral( "Partial" ), QStringLiteral( "Insert" ), layer->commitErrors().join( QStringLiteral( "\n " ) ) );
if ( provider->hasErrors() )
{
provider->clearErrors();
}
return resp;
}
// Get the Feature Ids of the inserted feature
for ( int j = 0; j < inFeatList.size(); j++ )
{
insertResults << typeName + "." + QString::number( inFeatList[j].id() );
}
}
}
// Put the Feature Ids of the inserted feature
if ( !insertResults.isEmpty() )
{
Q_FOREACH ( const QString &fidStr, insertResults )
{
QDomElement irElem = doc.createElement( QStringLiteral( "InsertResult" ) );
QDomElement fiElem = doc.createElement( QStringLiteral( "ogc:FeatureId" ) );
fiElem.setAttribute( QStringLiteral( "fid" ), fidStr );
irElem.appendChild( fiElem );
respElem.appendChild( irElem );
}
void QgsMapToolAddFeature::cadCanvasReleaseEvent( QgsMapMouseEvent* e )
{
QgsVectorLayer* vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
QGis::WkbType layerWKBType = vlayer->wkbType();
QgsVectorDataProvider* provider = vlayer->dataProvider();
if ( !( provider->capabilities() & QgsVectorDataProvider::AddFeatures ) )
{
emit messageEmitted( tr( "The data provider for this layer does not support the addition of features." ), QgsMessageBar::WARNING );
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
// POINT CAPTURING
if ( mode() == CapturePoint )
{
if ( e->button() != Qt::LeftButton )
return;
//check we only use this tool for point/multipoint layers
if ( vlayer->geometryType() != QGis::Point && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture point' tool on this vector layer" ), QgsMessageBar::WARNING );
return;
}
QgsPoint savePoint; //point in layer coordinates
try
{
savePoint = toLayerCoordinates( vlayer, e->mapPoint() );
QgsDebugMsg( "savePoint = " + savePoint.toString() );
}
catch ( QgsCsException &cse )
{
Q_UNUSED( cse );
emit messageEmitted( tr( "Cannot transform the point to the layers coordinate system" ), QgsMessageBar::WARNING );
return;
}
//only do the rest for provider with feature addition support
//note that for the grass provider, this will return false since
//grass provider has its own mechanism of feature addition
if ( provider->capabilities() & QgsVectorDataProvider::AddFeatures )
{
QgsFeature f( vlayer->fields(), 0 );
QgsGeometry *g = 0;
if ( layerWKBType == QGis::WKBPoint || layerWKBType == QGis::WKBPoint25D )
{
g = QgsGeometry::fromPoint( savePoint );
}
else if ( layerWKBType == QGis::WKBMultiPoint || layerWKBType == QGis::WKBMultiPoint25D )
{
g = QgsGeometry::fromMultiPoint( QgsMultiPoint() << savePoint );
}
else
{
// if layer supports more types (mCheckGeometryType is false)
g = QgsGeometry::fromPoint( savePoint );
}
f.setGeometry( g );
f.setValid( true );
addFeature( vlayer, &f, false );
mCanvas->refresh();
}
}
// LINE AND POLYGON CAPTURING
else if ( mode() == CaptureLine || mode() == CapturePolygon )
{
//check we only use the line tool for line/multiline layers
if ( mode() == CaptureLine && vlayer->geometryType() != QGis::Line && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture line' tool on this vector layer" ), QgsMessageBar::WARNING );
return;
}
//check we only use the polygon tool for polygon/multipolygon layers
if ( mode() == CapturePolygon && vlayer->geometryType() != QGis::Polygon && mCheckGeometryType )
{
emit messageEmitted( tr( "Wrong editing tool, cannot apply the 'capture polygon' tool on this vector layer" ), QgsMessageBar::WARNING );
return;
}
//add point to list and to rubber band
if ( e->button() == Qt::LeftButton )
{
int error = addVertex( e->mapPoint() );
if ( error == 1 )
{
//current layer is not a vector layer
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
emit messageEmitted( tr( "Cannot transform the point to the layers coordinate system" ), QgsMessageBar::WARNING );
return;
}
startCapturing();
}
else if ( e->button() == Qt::RightButton )
{
// End of string
deleteTempRubberBand();
//lines: bail out if there are not at least two vertices
if ( mode() == CaptureLine && size() < 2 )
{
stopCapturing();
return;
}
//polygons: bail out if there are not at least two vertices
if ( mode() == CapturePolygon && size() < 3 )
{
stopCapturing();
return;
}
if ( mode() == CapturePolygon )
{
closePolygon();
}
//create QgsFeature with wkb representation
QScopedPointer< QgsFeature > f( new QgsFeature( vlayer->fields(), 0 ) );
//does compoundcurve contain circular strings?
//does provider support circular strings?
bool hasCurvedSegments = captureCurve()->hasCurvedSegments();
bool providerSupportsCurvedSegments = vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::CircularGeometries;
QgsCurveV2* curveToAdd = 0;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
curveToAdd = captureCurve()->clone();
}
else
{
curveToAdd = captureCurve()->curveToLine();
}
if ( mode() == CaptureLine )
{
f->setGeometry( new QgsGeometry( curveToAdd ) );
}
else
{
QgsCurvePolygonV2* poly = 0;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
poly = new QgsCurvePolygonV2();
}
else
{
poly = new QgsPolygonV2();
}
poly->setExteriorRing( curveToAdd );
f->setGeometry( new QgsGeometry( poly ) );
int avoidIntersectionsReturn = f->geometry()->avoidIntersections();
if ( avoidIntersectionsReturn == 1 )
{
//not a polygon type. Impossible to get there
}
#if 0
else if ( avoidIntersectionsReturn == 2 ) //MH120131: disable this error message until there is a better way to cope with the single type / multi type problem
{
//bail out...
emit messageEmitted( tr( "The feature could not be added because removing the polygon intersections would change the geometry type" ), QgsMessageBar::CRITICAL );
stopCapturing();
return;
}
#endif
else if ( avoidIntersectionsReturn == 3 )
{
emit messageEmitted( tr( "An error was reported during intersection removal" ), QgsMessageBar::CRITICAL );
}
if ( !f->constGeometry()->asWkb() ) //avoid intersection might have removed the whole geometry
{
QString reason;
if ( avoidIntersectionsReturn != 2 )
{
reason = tr( "The feature cannot be added because it's geometry is empty" );
}
else
{
reason = tr( "The feature cannot be added because it's geometry collapsed due to intersection avoidance" );
}
emit messageEmitted( reason, QgsMessageBar::CRITICAL );
stopCapturing();
return;
}
}
if ( addFeature( vlayer, f.data(), false ) )
{
//add points to other features to keep topology up-to-date
int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 );
//use always topological editing for avoidIntersection.
//Otherwise, no way to guarantee the geometries don't have a small gap in between.
QStringList intersectionLayers = QgsProject::instance()->readListEntry( "Digitizing", "/AvoidIntersectionsList" );
bool avoidIntersection = !intersectionLayers.isEmpty();
if ( avoidIntersection ) //try to add topological points also to background layers
{
QStringList::const_iterator lIt = intersectionLayers.constBegin();
for ( ; lIt != intersectionLayers.constEnd(); ++lIt )
{
QgsMapLayer* ml = QgsMapLayerRegistry::instance()->mapLayer( *lIt );
QgsVectorLayer* vl = qobject_cast<QgsVectorLayer*>( ml );
//can only add topological points if background layer is editable...
if ( vl && vl->geometryType() == QGis::Polygon && vl->isEditable() )
{
vl->addTopologicalPoints( f->constGeometry() );
}
}
}
else if ( topologicalEditing )
{
vlayer->addTopologicalPoints( f->constGeometry() );
}
}
stopCapturing();
}
}
}
QgsVectorLayerImport::QgsVectorLayerImport( const QString &uri,
const QString &providerKey,
const QgsFields& fields,
QGis::WkbType geometryType,
const QgsCoordinateReferenceSystem* crs,
bool overwrite,
const QMap<QString, QVariant> *options,
QProgressDialog *progress )
: mErrorCount( 0 )
, mAttributeCount( -1 )
, mProgress( progress )
{
mProvider = nullptr;
QgsProviderRegistry * pReg = QgsProviderRegistry::instance();
QLibrary *myLib = pReg->providerLibrary( providerKey );
if ( !myLib )
{
mError = ErrInvalidProvider;
mErrorMessage = QObject::tr( "Unable to load %1 provider" ).arg( providerKey );
return;
}
createEmptyLayer_t * pCreateEmpty = reinterpret_cast< createEmptyLayer_t * >( cast_to_fptr( myLib->resolve( "createEmptyLayer" ) ) );
if ( !pCreateEmpty )
{
delete myLib;
mError = ErrProviderUnsupportedFeature;
mErrorMessage = QObject::tr( "Provider %1 has no %2 method" ).arg( providerKey, "createEmptyLayer" );
return;
}
delete myLib;
// create an empty layer
QString errMsg;
mError = pCreateEmpty( uri, fields, geometryType, crs, overwrite, &mOldToNewAttrIdx, &errMsg, options );
if ( hasError() )
{
mErrorMessage = errMsg;
return;
}
Q_FOREACH ( int idx, mOldToNewAttrIdx.values() )
{
if ( idx > mAttributeCount )
mAttributeCount = idx;
}
mAttributeCount++;
QgsDebugMsg( "Created empty layer" );
QgsVectorDataProvider *vectorProvider = dynamic_cast< QgsVectorDataProvider* >( pReg->provider( providerKey, uri ) );
if ( !vectorProvider || !vectorProvider->isValid() || ( vectorProvider->capabilities() & QgsVectorDataProvider::AddFeatures ) == 0 )
{
mError = ErrInvalidLayer;
mErrorMessage = QObject::tr( "Loading of layer failed" );
if ( vectorProvider )
delete vectorProvider;
return;
}
mProvider = vectorProvider;
mError = NoError;
}
bool QgsVectorLayerEditBuffer::commitChanges( QStringList& commitErrors )
{
QgsVectorDataProvider* provider = L->dataProvider();
commitErrors.clear();
int cap = provider->capabilities();
bool success = true;
QgsFields oldFields = L->pendingFields();
//
// delete attributes
//
bool attributesChanged = false;
if ( !mDeletedAttributeIds.isEmpty() )
{
if (( cap & QgsVectorDataProvider::DeleteAttributes ) && provider->deleteAttributes( mDeletedAttributeIds.toSet() ) )
{
commitErrors << tr( "SUCCESS: %n attribute(s) deleted.", "deleted attributes count", mDeletedAttributeIds.size() );
emit committedAttributesDeleted( L->id(), mDeletedAttributeIds );
mDeletedAttributeIds.clear();
attributesChanged = true;
}
else
{
commitErrors << tr( "ERROR: %n attribute(s) not deleted.", "not deleted attributes count", mDeletedAttributeIds.size() );
success = false;
}
}
//
// add attributes
//
if ( !mAddedAttributes.isEmpty() )
{
if (( cap & QgsVectorDataProvider::AddAttributes ) && provider->addAttributes( mAddedAttributes ) )
{
commitErrors << tr( "SUCCESS: %n attribute(s) added.", "added attributes count", mAddedAttributes.size() );
emit committedAttributesAdded( L->id(), mAddedAttributes );
mAddedAttributes.clear();
attributesChanged = true;
}
else
{
commitErrors << tr( "ERROR: %n new attribute(s) not added", "not added attributes count", mAddedAttributes.size() );
success = false;
}
}
//
// check that addition/removal went as expected
//
bool attributeChangesOk = true;
if ( attributesChanged )
{
L->updateFields();
QgsFields newFields = L->pendingFields();
if ( oldFields.count() != newFields.count() )
{
commitErrors << tr( "ERROR: the count of fields is incorrect after addition/removal of fields!" );
attributeChangesOk = false; // don't try attribute updates - they'll fail.
}
for ( int i = 0; i < oldFields.count(); ++i )
{
const QgsField& oldField = oldFields[i];
const QgsField& newField = newFields[i];
if ( attributeChangesOk && oldField != newField )
{
commitErrors << tr( "ERROR: field with index %1 is not the same!" ).arg( i );
attributeChangesOk = false; // don't try attribute updates - they'll fail.
}
}
}
if ( attributeChangesOk )
{
//
// change attributes
//
if ( !mChangedAttributeValues.isEmpty() )
{
if (( cap & QgsVectorDataProvider::ChangeAttributeValues ) && provider->changeAttributeValues( mChangedAttributeValues ) )
{
commitErrors << tr( "SUCCESS: %n attribute value(s) changed.", "changed attribute values count", mChangedAttributeValues.size() );
emit committedAttributeValuesChanges( L->id(), mChangedAttributeValues );
mChangedAttributeValues.clear();
}
else
{
commitErrors << tr( "ERROR: %n attribute value change(s) not applied.", "not changed attribute values count", mChangedAttributeValues.size() );
success = false;
}
}
//
// delete features
//
if ( !mDeletedFeatureIds.isEmpty() )
{
if (( cap & QgsVectorDataProvider::DeleteFeatures ) && provider->deleteFeatures( mDeletedFeatureIds ) )
{
commitErrors << tr( "SUCCESS: %n feature(s) deleted.", "deleted features count", mDeletedFeatureIds.size() );
// TODO[MD]: we should not need this here
for ( QgsFeatureIds::const_iterator it = mDeletedFeatureIds.begin(); it != mDeletedFeatureIds.end(); it++ )
{
mChangedAttributeValues.remove( *it );
mChangedGeometries.remove( *it );
}
emit committedFeaturesRemoved( L->id(), mDeletedFeatureIds );
mDeletedFeatureIds.clear();
}
else
{
commitErrors << tr( "ERROR: %n feature(s) not deleted.", "not deleted features count", mDeletedFeatureIds.size() );
success = false;
}
}
//
// add features
//
if ( !mAddedFeatures.isEmpty() )
{
if ( cap & QgsVectorDataProvider::AddFeatures )
{
QList<QgsFeatureId> ids = mAddedFeatures.keys();
QgsFeatureList featuresToAdd = mAddedFeatures.values();
if ( provider->addFeatures( featuresToAdd ) )
{
commitErrors << tr( "SUCCESS: %n feature(s) added.", "added features count", featuresToAdd.size() );
emit committedFeaturesAdded( L->id(), featuresToAdd );
// notify everyone that the features with temporary ids were updated with permanent ids
for ( int i = 0; i < featuresToAdd.count(); ++i )
{
if ( featuresToAdd[i].id() != ids[i] )
{
emit featureDeleted( ids[i] );
emit featureAdded( featuresToAdd[i].id() );
}
}
mAddedFeatures.clear();
}
else
{
commitErrors << tr( "ERROR: %n feature(s) not added.", "not added features count", mAddedFeatures.size() );
success = false;
}
}
else
{
commitErrors << tr( "ERROR: %n feature(s) not added - provider doesn't support adding features.", "not added features count", mAddedFeatures.size() );
success = false;
}
}
}
//
// update geometries
//
if ( !mChangedGeometries.isEmpty() )
{
if (( cap & QgsVectorDataProvider::ChangeGeometries ) && provider->changeGeometryValues( mChangedGeometries ) )
{
commitErrors << tr( "SUCCESS: %n geometries were changed.", "changed geometries count", mChangedGeometries.size() );
emit committedGeometriesChanges( L->id(), mChangedGeometries );
mChangedGeometries.clear();
}
else
{
commitErrors << tr( "ERROR: %n geometries not changed.", "not changed geometries count", mChangedGeometries.size() );
success = false;
}
}
if ( !success )
{
if ( provider->hasErrors() )
{
commitErrors << tr( "\n Provider errors:" ) << provider->errors();
provider->clearErrors();
}
}
return success;
}
bool QgsVectorLayerEditBuffer::commitChanges( QStringList &commitErrors )
{
QgsVectorDataProvider *provider = L->dataProvider();
commitErrors.clear();
int cap = provider->capabilities();
bool success = true;
// geometry updates attribute updates
// yes no => changeGeometryValues
// no yes => changeAttributeValues
// yes yes => changeFeatures
// to fix https://issues.qgis.org/issues/15741
// first of all check if feature to add is compatible with provider type
// this check have to be done before all checks to avoid to clear internal
// buffer if some of next steps success.
if ( success && !mAddedFeatures.isEmpty() )
{
if ( cap & QgsVectorDataProvider::AddFeatures )
{
if ( provider->doesStrictFeatureTypeCheck() )
{
for ( const auto &f : qgis::as_const( mAddedFeatures ) )
{
if ( ( ! f.hasGeometry() ) ||
( f.geometry().wkbType() == provider->wkbType() ) )
continue;
if ( provider->convertToProviderType( f.geometry() ).isNull() )
{
commitErrors << tr( "ERROR: %n feature(s) not added - geometry type is not compatible with the current layer.", "not added features count", mAddedFeatures.size() );
success = false;
break;
}
}
}
}
else
{
commitErrors << tr( "ERROR: %n feature(s) not added - provider doesn't support adding features.", "not added features count", mAddedFeatures.size() );
success = false;
}
}
//
// update geometries
//
if ( !mChangedGeometries.isEmpty() && ( ( cap & QgsVectorDataProvider::ChangeFeatures ) == 0 || mChangedAttributeValues.isEmpty() ) )
{
if ( provider->changeGeometryValues( mChangedGeometries ) )
{
commitErrors << tr( "SUCCESS: %n geometries were changed.", "changed geometries count", mChangedGeometries.size() );
emit committedGeometriesChanges( L->id(), mChangedGeometries );
mChangedGeometries.clear();
}
else
{
commitErrors << tr( "ERROR: %n geometries not changed.", "not changed geometries count", mChangedGeometries.size() );
success = false;
}
}
QgsFields oldFields = L->fields();
//
// delete attributes
//
bool attributesChanged = false;
if ( !mDeletedAttributeIds.isEmpty() )
{
if ( ( cap & QgsVectorDataProvider::DeleteAttributes ) && provider->deleteAttributes( mDeletedAttributeIds.toSet() ) )
{
commitErrors << tr( "SUCCESS: %n attribute(s) deleted.", "deleted attributes count", mDeletedAttributeIds.size() );
emit committedAttributesDeleted( L->id(), mDeletedAttributeIds );
mDeletedAttributeIds.clear();
attributesChanged = true;
}
else
{
commitErrors << tr( "ERROR: %n attribute(s) not deleted.", "not deleted attributes count", mDeletedAttributeIds.size() );
#if 0
QString list = "ERROR: Pending attribute deletes:";
Q_FOREACH ( int idx, mDeletedAttributeIds )
{
list.append( ' ' + L->fields().at( idx ).name() );
}
commitErrors << list;
#endif
success = false;
}
}
QgsVectorLayerExporter::QgsVectorLayerExporter( const QString &uri,
const QString &providerKey,
const QgsFields &fields,
QgsWkbTypes::Type geometryType,
const QgsCoordinateReferenceSystem &crs,
bool overwrite,
const QMap<QString, QVariant> &options,
QgsFeatureSink::SinkFlags sinkFlags )
: mErrorCount( 0 )
, mAttributeCount( -1 )
{
mProvider = nullptr;
QgsProviderRegistry *pReg = QgsProviderRegistry::instance();
std::unique_ptr< QLibrary > myLib( pReg->createProviderLibrary( providerKey ) );
if ( !myLib )
{
mError = ErrInvalidProvider;
mErrorMessage = QObject::tr( "Unable to load %1 provider" ).arg( providerKey );
return;
}
createEmptyLayer_t *pCreateEmpty = reinterpret_cast< createEmptyLayer_t * >( cast_to_fptr( myLib->resolve( "createEmptyLayer" ) ) );
if ( !pCreateEmpty )
{
mError = ErrProviderUnsupportedFeature;
mErrorMessage = QObject::tr( "Provider %1 has no %2 method" ).arg( providerKey, QStringLiteral( "createEmptyLayer" ) );
return;
}
// create an empty layer
QString errMsg;
mError = pCreateEmpty( uri, fields, geometryType, crs, overwrite, &mOldToNewAttrIdx, &errMsg, !options.isEmpty() ? &options : nullptr );
if ( errorCode() )
{
mErrorMessage = errMsg;
return;
}
Q_FOREACH ( int idx, mOldToNewAttrIdx )
{
if ( idx > mAttributeCount )
mAttributeCount = idx;
}
mAttributeCount++;
QgsDebugMsg( QStringLiteral( "Created empty layer" ) );
QString uriUpdated( uri );
// HACK sorry...
if ( providerKey == QLatin1String( "ogr" ) )
{
QString layerName;
if ( options.contains( QStringLiteral( "layerName" ) ) )
layerName = options.value( QStringLiteral( "layerName" ) ).toString();
if ( !layerName.isEmpty() )
{
uriUpdated += QLatin1String( "|layername=" );
uriUpdated += layerName;
}
}
QgsDataProvider::ProviderOptions providerOptions;
QgsVectorDataProvider *vectorProvider = dynamic_cast< QgsVectorDataProvider * >( pReg->createProvider( providerKey, uriUpdated, providerOptions ) );
if ( !vectorProvider || !vectorProvider->isValid() || ( vectorProvider->capabilities() & QgsVectorDataProvider::AddFeatures ) == 0 )
{
mError = ErrInvalidLayer;
mErrorMessage = QObject::tr( "Loading of layer failed" );
delete vectorProvider;
return;
}
// If the result is a geopackage layer and there is already a field name FID requested which
// might contain duplicates, make sure to generate a new field with a unique name instead
// that will be filled by ogr with unique values.
// HACK sorry
const QString path = QgsProviderRegistry::instance()->decodeUri( QStringLiteral( "ogr" ), uri ).value( QStringLiteral( "path" ) ).toString();
if ( sinkFlags.testFlag( QgsFeatureSink::SinkFlag::RegeneratePrimaryKey ) && path.endsWith( QLatin1String( ".gpkg" ), Qt::CaseInsensitive ) )
{
QString fidName = options.value( QStringLiteral( "FID" ), QStringLiteral( "FID" ) ).toString();
int fidIdx = vectorProvider->fields().lookupField( fidName );
if ( fidIdx != -1 )
{
mOldToNewAttrIdx.remove( fidIdx );
}
}
mProvider = vectorProvider;
mError = NoError;
}
