void QgsOfflineEditing::committedGeometriesChanges( const QString& qgisLayerId, const QgsGeometryMap& changedGeometries )
{
sqlite3* db = openLoggingDb();
if ( db == NULL )
{
return;
}
// insert log
int layerId = getOrCreateLayerId( db, qgisLayerId );
int commitNo = getCommitNo( db );
for ( QgsGeometryMap::const_iterator it = changedGeometries.begin(); it != changedGeometries.end(); ++it )
{
QgsFeatureId fid = it.key();
if ( isAddedFeature( db, layerId, fid ) )
{
// skip added features
continue;
}
QgsGeometry geom = it.value();
QString sql = QString( "INSERT INTO 'log_geometry_updates' VALUES ( %1, %2, %3, '%4' )" )
.arg( layerId )
.arg( commitNo )
.arg( fid )
.arg( geom.exportToWkt() );
sqlExec( db, sql );
// TODO: use WKB instead of WKT?
}
increaseCommitNo( db );
sqlite3_close( db );
}
bool QgsMemoryProvider::changeGeometryValues( QgsGeometryMap & geometry_map )
{
for ( QgsGeometryMap::const_iterator it = geometry_map.begin(); it != geometry_map.end(); ++it )
{
QgsFeatureMap::iterator fit = mFeatures.find( it.key() );
if ( fit == mFeatures.end() )
continue;
// update spatial index
if ( mSpatialIndex )
mSpatialIndex->deleteFeature( *fit );
fit->setGeometry( it.value() );
// update spatial index
if ( mSpatialIndex )
mSpatialIndex->insertFeature( *fit );
}
updateExtent();
return TRUE;
}
bool QgsWFSProvider::changeGeometryValues( const QgsGeometryMap &geometry_map )
{
//find out typename from uri and strip namespace prefix
QString tname = mShared->mURI.typeName();
if ( tname.isNull() )
{
return false;
}
//create <Transaction> xml
QDomDocument transactionDoc;
QDomElement transactionElem = createTransactionElement( transactionDoc );
transactionDoc.appendChild( transactionElem );
QgsGeometryMap::const_iterator geomIt = geometry_map.constBegin();
for ( ; geomIt != geometry_map.constEnd(); ++geomIt )
{
QString gmlid = mShared->findGmlId( geomIt.key() );
if ( gmlid.isEmpty() )
{
QgsDebugMsg( QString( "Cannot identify feature of id %1" ).arg( geomIt.key() ) );
continue;
}
QDomElement updateElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Update" );
updateElem.setAttribute( "typeName", tname );
//Property
QDomElement propertyElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Property" );
QDomElement nameElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Name" );
QDomText nameText = transactionDoc.createTextNode( mShared->mGeometryAttribute );
nameElem.appendChild( nameText );
propertyElem.appendChild( nameElem );
QDomElement valueElem = transactionDoc.createElementNS( QgsWFSConstants::WFS_NAMESPACE, "Value" );
QDomElement gmlElem = QgsOgcUtils::geometryToGML( &geomIt.value(), transactionDoc );
gmlElem.setAttribute( "srsName", crs().authid() );
valueElem.appendChild( gmlElem );
propertyElem.appendChild( valueElem );
updateElem.appendChild( propertyElem );
//filter
QDomElement filterElem = transactionDoc.createElementNS( QgsWFSConstants::OGC_NAMESPACE, "Filter" );
QDomElement featureIdElem = transactionDoc.createElementNS( QgsWFSConstants::OGC_NAMESPACE, "FeatureId" );
featureIdElem.setAttribute( "fid", gmlid );
filterElem.appendChild( featureIdElem );
updateElem.appendChild( filterElem );
transactionElem.appendChild( updateElem );
}
QDomDocument serverResponse;
bool success = sendTransactionDocument( transactionDoc, serverResponse );
if ( !success )
{
return false;
}
if ( transactionSuccess( serverResponse ) )
{
mShared->changeGeometryValues( geometry_map );
return true;
}
else
{
handleException( serverResponse );
return false;
}
}