void QgsOfflineEditing::applyAttributeValueChanges( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId, int commitNo )
{
QString sql = QString( "SELECT \"fid\", \"attr\", \"value\" FROM 'log_feature_updates' WHERE \"layer_id\" = %1 AND \"commit_no\" = %2 " ).arg( layerId ).arg( commitNo );
AttributeValueChanges values = sqlQueryAttributeValueChanges( db, sql );
emit progressModeSet( QgsOfflineEditing::UpdateFeatures, values.size() );
QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer );
for ( int i = 0; i < values.size(); i++ )
{
QgsFeatureId fid = remoteFid( db, layerId, values.at( i ).fid );
remoteLayer->changeAttributeValue( fid, attrLookup[ values.at( i ).attr ], values.at( i ).value, false );
emit progressUpdated( i + 1 );
}
}
void QgsOfflineEditing::applyFeaturesAdded( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId )
{
QString sql = QString( "SELECT \"fid\" FROM 'log_added_features' WHERE \"layer_id\" = %1" ).arg( layerId );
QList<int> newFeatureIds = sqlQueryInts( db, sql );
// get new features from offline layer
QgsFeatureList features;
for ( int i = 0; i < newFeatureIds.size(); i++ )
{
QgsFeature feature;
if ( offlineLayer->getFeatures( QgsFeatureRequest().setFilterFid( newFeatureIds.at( i ) ) ).nextFeature( feature ) )
{
features << feature;
}
}
// copy features to remote layer
emit progressModeSet( QgsOfflineEditing::AddFeatures, features.size() );
int i = 1;
int newAttrsCount = remoteLayer->pendingFields().count();
for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it )
{
QgsFeature f = *it;
// NOTE: Spatialite provider ignores position of geometry column
// restore gap in QgsAttributeMap if geometry column is not last (WORKAROUND)
QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer );
QgsAttributes newAttrs( newAttrsCount );
QgsAttributes attrs = f.attributes();
for ( int it = 0; it < attrs.count(); ++it )
{
newAttrs[ attrLookup[ it ] ] = attrs[ it ];
}
f.setAttributes( newAttrs );
remoteLayer->addFeature( f, false );
emit progressUpdated( i++ );
}
}
void QgsOfflineEditing::applyFeaturesAdded( QgsVectorLayer* offlineLayer, QgsVectorLayer* remoteLayer, sqlite3* db, int layerId )
{
QString sql = QString( "SELECT \"fid\" FROM 'log_added_features' WHERE \"layer_id\" = %1" ).arg( layerId );
QList<int> newFeatureIds = sqlQueryInts( db, sql );
// get new features from offline layer
QgsFeatureList features;
for ( int i = 0; i < newFeatureIds.size(); i++ )
{
QgsFeature feature;
if ( offlineLayer->featureAtId( newFeatureIds.at( i ), feature, true, true ) )
{
features << feature;
}
}
// copy features to remote layer
mProgressDialog->setupProgressBar( tr( "%v / %m features added" ), features.size() );
int i = 1;
for ( QgsFeatureList::iterator it = features.begin(); it != features.end(); ++it )
{
QgsFeature f = *it;
// NOTE: Spatialite provider ignores position of geometry column
// restore gap in QgsAttributeMap if geometry column is not last (WORKAROUND)
QMap<int, int> attrLookup = attributeLookup( offlineLayer, remoteLayer );
QgsAttributeMap newAttrMap;
QgsAttributeMap attrMap = f.attributeMap();
for ( QgsAttributeMap::const_iterator it = attrMap.begin(); it != attrMap.end(); ++it )
{
newAttrMap.insert( attrLookup[ it.key()], it.value() );
}
f.setAttributeMap( newAttrMap );
remoteLayer->addFeature( f, false );
mProgressDialog->setProgressValue( i++ );
}
}
