bool QgsGeometryEditUtils::deletePart( QgsAbstractGeometryV2* geom, int partNum )
{
if ( !geom )
{
return false;
}
QgsGeometryCollectionV2* c = dynamic_cast<QgsGeometryCollectionV2*>( geom );
if ( !c )
{
return false;
}
return c->removeGeometry( partNum );
}
void QgsGeometryCheck::replaceFeatureGeometryPart( QgsFeature& feature, int partIdx, QgsAbstractGeometryV2* newPartGeom, Changes& changes ) const
{
QgsAbstractGeometryV2* geom = feature.geometry()->geometry();
if ( dynamic_cast<QgsGeometryCollectionV2*>( geom ) )
{
QgsGeometryCollectionV2* GeomCollection = static_cast<QgsGeometryCollectionV2*>( geom );
GeomCollection->removeGeometry( partIdx );
GeomCollection->addGeometry( newPartGeom );
changes[feature.id()].append( Change( ChangeFeature, ChangeRemoved, QgsVertexId( partIdx ) ) );
changes[feature.id()].append( Change( ChangeFeature, ChangeAdded, QgsVertexId( GeomCollection->partCount() - 1 ) ) );
}
else
{
feature.setGeometry( new QgsGeometry( newPartGeom ) );
changes[feature.id()].append( Change( ChangeFeature, ChangeChanged ) );
}
mFeaturePool->updateFeature( feature );
}
int QgsGeometryEditUtils::addPart( QgsAbstractGeometryV2* geom, QgsAbstractGeometryV2* part )
{
if ( !geom )
{
return 1;
}
if ( !part )
{
return 2;
}
//multitype?
QgsGeometryCollectionV2* geomCollection = dynamic_cast<QgsGeometryCollectionV2*>( geom );
if ( !geomCollection )
{
return 1;
}
bool added = false;
if ( QgsWKBTypes::flatType( geom->wkbType() ) == QgsWKBTypes::MultiSurface
|| QgsWKBTypes::flatType( geom->wkbType() ) == QgsWKBTypes::MultiPolygon )
{
QgsCurveV2* curve = dynamic_cast<QgsCurveV2*>( part );
if ( curve && curve->isClosed() && curve->numPoints() >= 4 )
{
QgsCurvePolygonV2 *poly = nullptr;
if ( QgsWKBTypes::flatType( curve->wkbType() ) == QgsWKBTypes::LineString )
{
poly = new QgsPolygonV2();
}
else
{
poly = new QgsCurvePolygonV2();
}
poly->setExteriorRing( curve );
added = geomCollection->addGeometry( poly );
}
else if ( QgsWKBTypes::flatType( part->wkbType() ) == QgsWKBTypes::Polygon )
{
added = geomCollection->addGeometry( part );
}
else if ( QgsWKBTypes::flatType( part->wkbType() ) == QgsWKBTypes::MultiPolygon )
{
QgsGeometryCollectionV2 *parts = static_cast<QgsGeometryCollectionV2*>( part );
int i;
int n = geomCollection->numGeometries();
for ( i = 0; i < parts->numGeometries() && geomCollection->addGeometry( parts->geometryN( i )->clone() ); i++ )
;
added = i == parts->numGeometries();
if ( !added )
{
while ( geomCollection->numGeometries() > n )
geomCollection->removeGeometry( n );
delete part;
return 2;
}
delete part;
}
else
{
delete part;
return 2;
}
}
else
{
added = geomCollection->addGeometry( part );
}
return added ? 0 : 2;
}
