void QgsMapToolAddPart::cadCanvasReleaseEvent( QgsMapMouseEvent *e )
{
//check if we operate on a vector layer
QgsVectorLayer *vlayer = currentVectorLayer();
if ( !vlayer )
{
notifyNotVectorLayer();
return;
}
if ( !vlayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
bool isGeometryEmpty = false;
QgsFeatureList selectedFeatures = vlayer->selectedFeatures();
if ( !selectedFeatures.isEmpty() && selectedFeatures.at( 0 ).geometry().isNull() )
isGeometryEmpty = true;
if ( !checkSelection() )
{
stopCapturing();
return;
}
int errorCode = 0;
switch ( mode() )
{
case CapturePoint:
{
QgsPoint layerPoint;
QgsPointXY mapPoint = e->mapPoint();
if ( nextPoint( QgsPoint( mapPoint ), layerPoint ) != 0 )
{
QgsDebugMsg( "nextPoint failed" );
return;
}
vlayer->beginEditCommand( tr( "Part added" ) );
errorCode = vlayer->addPart( QgsPointSequence() << layerPoint );
}
break;
case CaptureLine:
case CapturePolygon:
{
//add point to list and to rubber band
if ( e->button() == Qt::LeftButton )
{
int error = addVertex( e->mapPoint(), e->mapPointMatch() );
if ( error == 1 )
{
QgsDebugMsg( "current layer is not a vector layer" );
return;
}
else if ( error == 2 )
{
//problem with coordinate transformation
emit messageEmitted( tr( "Coordinate transform error. Cannot transform the point to the layers coordinate system" ), Qgis::Warning );
return;
}
startCapturing();
return;
}
else if ( e->button() != Qt::RightButton )
{
deleteTempRubberBand();
return;
}
if ( !isCapturing() )
return;
if ( mode() == CapturePolygon )
{
closePolygon();
}
//does compoundcurve contain circular strings?
//does provider support circular strings?
bool hasCurvedSegments = captureCurve()->hasCurvedSegments();
bool providerSupportsCurvedSegments = vlayer->dataProvider()->capabilities() & QgsVectorDataProvider::CircularGeometries;
QgsCurve *curveToAdd = nullptr;
if ( hasCurvedSegments && providerSupportsCurvedSegments )
{
curveToAdd = captureCurve()->clone();
}
else
{
curveToAdd = captureCurve()->curveToLine();
}
vlayer->beginEditCommand( tr( "Part added" ) );
if ( mode() == CapturePolygon )
{
//avoid intersections
QgsCurvePolygon *cp = new QgsCurvePolygon();
cp->setExteriorRing( curveToAdd );
QgsGeometry *geom = new QgsGeometry( cp );
geom->avoidIntersections( QgsProject::instance()->avoidIntersectionsLayers() );
const QgsCurvePolygon *cpGeom = qgsgeometry_cast<const QgsCurvePolygon *>( geom->constGet() );
if ( !cpGeom )
{
stopCapturing();
delete geom;
vlayer->destroyEditCommand();
return;
}
errorCode = vlayer->addPart( cpGeom->exteriorRing()->clone() );
delete geom;
}
else
{
errorCode = vlayer->addPart( curveToAdd );
}
stopCapturing();
}
break;
default:
Q_ASSERT( !"invalid capture mode" );
errorCode = 6;
break;
}
QString errorMessage;
switch ( errorCode )
{
case 0:
{
// remove previous message
emit messageDiscarded();
//add points to other features to keep topology up-to-date
bool topologicalEditing = QgsProject::instance()->topologicalEditing();
if ( topologicalEditing )
{
addTopologicalPoints( points() );
}
vlayer->endEditCommand();
vlayer->triggerRepaint();
if ( ( !isGeometryEmpty ) && QgsWkbTypes::isSingleType( vlayer->wkbType() ) )
{
emit messageEmitted( tr( "Add part: Feature geom is single part and you've added more than one" ), Qgis::Warning );
}
return;
}
case 1:
errorMessage = tr( "Selected feature is not multi part." );
break;
case 2:
errorMessage = tr( "New part's geometry is not valid." );
break;
case 3:
errorMessage = tr( "New polygon ring not disjoint with existing polygons." );
break;
case 4:
errorMessage = tr( "No feature selected. Please select a feature with the selection tool or in the attribute table" );
break;
case 5:
errorMessage = tr( "Several features are selected. Please select only one feature to which an island should be added." );
break;
case 6:
errorMessage = tr( "Selected geometry could not be found" );
break;
}
emit messageEmitted( errorMessage, Qgis::Warning );
vlayer->destroyEditCommand();
}
bool QgsDb2Provider::addFeatures( QgsFeatureList & flist )
{
QgsDebugMsg( "mGeometryColType: " + mGeometryColType );
int writeCount = 0;
bool copyOperation = false;
if ( !mDatabase.isOpen() )
{
QString errMsg;
mDatabase = getDatabase( mConnInfo, errMsg );
if ( !errMsg.isEmpty() )
{
QgsDebugMsg( "getDatabase failed: " + errMsg );
return false;
}
}
if ( !mDatabase.transaction() )
{
QgsDebugMsg( "transaction failed" );
return false;
}
QSqlQuery query = QSqlQuery( mDatabase );
query.setForwardOnly( true );
QSqlQuery queryFid = QSqlQuery( mDatabase );
queryFid.setForwardOnly( true );
QgsFeature it = flist.at( 0 );
QString statement;
QString values;
statement = QString( "INSERT INTO %1.%2 (" ).arg( mSchemaName, mTableName );
bool first = true;
// Get the first geometry and its wkbType as when we are doing drag/drop,
// the wkbType is not passed to the DB2 provider from QgsVectorLayerImport
// Can't figure out how to resolved "unreferenced" wkbType compile message
// Don't really do anything with it at this point
#if 0
QgsGeometry *geom = it.geometry();
QgsWkbTypes::Type wkbType = geom->wkbType();
QgsDebugMsg( QString( "wkbType: %1" ).arg( wkbType ) );
QgsDebugMsg( QString( "mWkbType: %1" ).arg( mWkbType ) );
#endif
QgsAttributes attrs = it.attributes();
QgsDebugMsg( QString( "attrs.count: %1" ).arg( attrs.count() ) );
QgsDebugMsg( QString( "fields.count: %1" ).arg( mAttributeFields.count() ) );
if ( mAttributeFields.count() == ( attrs.count() + 1 ) )
{
copyOperation = true; // FID is first field but no attribute in attrs
}
else if ( mAttributeFields.count() != attrs.count() )
{
QgsDebugMsg( "Count mismatch - failing" );
return false;
}
if ( attrs.count() != mAttributeFields.count() )
{
QgsDebugMsg( "field counts don't match" );
// return false;
}
for ( int i = 0; i < mAttributeFields.count(); ++i )
{
QgsField fld = mAttributeFields.at( i );
QgsDebugMsg( QString( "i: %1; got field: %2" ).arg( i ).arg( fld.name() ) );
if ( fld.name().isEmpty() )
continue; // invalid
if ( mFidColName == fld.name() )
continue; // skip identity field
// if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
// continue; // skip fields having default values
if ( !first )
{
statement += ',';
values += ',';
}
else
first = false;
statement += QString( "%1" ).arg( fld.name() );
values += QString( "?" );
}
// append geometry column name
if ( !mGeometryColName.isEmpty() )
{
if ( !first )
{
statement += ',';
values += ',';
}
statement += QString( "%1" ).arg( mGeometryColName );
values += QString( "db2gse.%1(CAST (%2 AS BLOB(2M)),%3)" )
.arg( mGeometryColType,
QString( "?" ),
QString::number( mSRId ) );
}
QgsDebugMsg( statement );
QgsDebugMsg( values );
statement += ") VALUES (" + values + ')';
QgsDebugMsg( statement );
QgsDebugMsg( "Prepare statement" );
// use prepared statement to prevent from sql injection
if ( !query.prepare( statement ) )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
pushError( msg );
return false;
}
for ( QgsFeatureList::iterator it = flist.begin(); it != flist.end(); ++it )
{
attrs = it->attributes();
int fieldIdx = 0;
if ( copyOperation )
{
fieldIdx = 1; // skip first (FID) field if copying from shapefile
}
int bindIdx = 0;
for ( int i = 0; i < attrs.count(); i++ )
{
QgsField fld = mAttributeFields.at( fieldIdx++ );
if ( fld.name().isEmpty() )
continue; // invalid
if ( mFidColName == fld.name() )
continue; // skip identity field
// if ( mDefaultValues.contains( i ) && mDefaultValues[i] == attrs.at( i ) )
// continue; // skip fields having default values
QVariant::Type type = fld.type();
if ( attrs.at( i ).isNull() || !attrs.at( i ).isValid() )
{
// binding null values
if ( type == QVariant::Date || type == QVariant::DateTime )
query.bindValue( bindIdx, QVariant( QVariant::String ) );
else
query.bindValue( bindIdx, QVariant( type ) );
}
else if ( type == QVariant::Int )
{
// binding an INTEGER value
query.bindValue( bindIdx, attrs.at( i ).toInt() );
}
else if ( type == QVariant::Double )
{
// binding a DOUBLE value
query.bindValue( bindIdx, attrs.at( i ).toDouble() );
}
else if ( type == QVariant::String )
{
// binding a TEXT value
query.bindValue( bindIdx, attrs.at( i ).toString() );
}
else if ( type == QVariant::Time )
{
// binding a TIME value
query.bindValue( bindIdx, attrs.at( i ).toTime().toString( Qt::ISODate ) );
}
else if ( type == QVariant::Date )
{
// binding a DATE value
query.bindValue( bindIdx, attrs.at( i ).toDate().toString( Qt::ISODate ) );
}
else if ( type == QVariant::DateTime )
{
// binding a DATETIME value
query.bindValue( bindIdx, attrs.at( i ).toDateTime().toString( Qt::ISODate ) );
}
else
{
query.bindValue( bindIdx, attrs.at( i ) );
}
#if 0
QgsDebugMsg( QString( "bound i: %1; name: %2; value: %3; bindIdx: %4" ).
arg( i ).arg( fld.name() ).arg( attrs.at( i ).toString() ).arg( bindIdx ) );
#endif
bindIdx++;
}
if ( !mGeometryColName.isEmpty() )
{
QgsGeometry geom = it->geometry();
QByteArray bytea = QByteArray(( char* )geom.asWkb(), ( int ) geom.wkbSize() );
query.bindValue( bindIdx, bytea, QSql::In | QSql::Binary );
}
QList<QVariant> list = query.boundValues().values();
// Show bound values
#if 0
for ( int i = 0; i < list.size(); ++i )
{
QgsDebugMsg( QString( "i: %1; value: %2; type: %3" )
.arg( i ).arg( list.at( i ).toString().toLatin1().data() ).arg( list.at( i ).typeName() ) );
}
#endif
if ( !query.exec() )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
statement = QString( "select IDENTITY_VAL_LOCAL() AS IDENTITY "
"FROM SYSIBM.SYSDUMMY1" );
// QgsDebugMsg( statement );
if ( !queryFid.exec( statement ) )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
if ( !queryFid.next() )
{
QString msg = query.lastError().text();
QgsDebugMsg( msg );
if ( !mSkipFailures )
{
pushError( msg );
return false;
}
}
it->setFeatureId( queryFid.value( 0 ).toLongLong() );
writeCount++;
// QgsDebugMsg( QString( "count: %1; featureId: %2" ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
}
bool commitStatus = mDatabase.commit();
QgsDebugMsg( QString( "commitStatus: %1; write count: %2; featureId: %3" )
.arg( commitStatus ).arg( writeCount ).arg( queryFid.value( 0 ).toLongLong() ) );
if ( !commitStatus )
{
pushError( "Commit of new features failed" );
return false;
}
return true;
}
