bool QgsDb2Provider::changeGeometryValues( const QgsGeometryMap &geometry_map )
{
if ( geometry_map.isEmpty() )
return true;
if ( mFidColName.isEmpty() )
return false;
for ( QgsGeometryMap::const_iterator it = geometry_map.constBegin(); it != geometry_map.constEnd(); ++it )
{
QgsFeatureId fid = it.key();
// skip added features
if ( FID_IS_NEW( fid ) )
{
continue;
}
QString statement;
statement = QString( "UPDATE %1.%2 SET %3 = " )
.arg( mSchemaName, mTableName, mGeometryColName );
if ( !mDatabase.isOpen() )
{
QString errMsg;
mDatabase = getDatabase( mConnInfo, errMsg );
if ( !errMsg.isEmpty() )
{
return false;
}
}
QSqlQuery query = QSqlQuery( mDatabase );
query.setForwardOnly( true );
statement += QString( "db2gse.%1(CAST (%2 AS BLOB(2M)),%3)" )
.arg( mGeometryColType,
QString( "?" ),
QString::number( mSRId ) );
// set attribute filter
statement += QString( " WHERE %1=%2" ).arg( mFidColName, FID_TO_STRING( fid ) );
QgsDebugMsg( statement );
if ( !query.prepare( statement ) )
{
QgsDebugMsg( query.lastError().text() );
return false;
}
// add geometry param
QByteArray bytea = QByteArray(( char* )it->asWkb(), ( int ) it->wkbSize() );
query.addBindValue( bytea, QSql::In | QSql::Binary );
if ( !query.exec() )
{
QgsDebugMsg( query.lastError().text() );
return false;
}
}
return true;
}
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 );
}
void QgsFeaturePool::updateFeature( QgsFeature& feature )
{
QgsGeometryMap geometryMap;
geometryMap.insert( feature.id(), QgsGeometry( feature.geometry()->geometry()->clone() ) );
QgsChangedAttributesMap changedAttributesMap;
QgsAttributeMap attribMap;
for ( int i = 0, n = feature.attributes().size(); i < n; ++i )
{
attribMap.insert( i, feature.attributes().at( i ) );
}
changedAttributesMap.insert( feature.id(), attribMap );
mLayerMutex.lock();
mFeatureCache.remove( feature.id() ); // Remove to force reload on next get()
mLayer->dataProvider()->changeGeometryValues( geometryMap );
mLayer->dataProvider()->changeAttributeValues( changedAttributesMap );
mLayerMutex.unlock();
mIndexMutex.lock();
mIndex.deleteFeature( feature );
mIndex.insertFeature( feature );
mIndexMutex.unlock();
}
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;
}
}
