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Offline editing: preserve join field names (layer prefix)

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This commit is contained in:
Matthias Kuhn 2015-01-22 16:29:56 +01:00
parent 3dbf70ffe5
commit 772033dac4
1 changed files with 18 additions and 1 deletions
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19
src/core/qgsofflineediting.cpp
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@ -95,7 +95,24 @@ bool QgsOfflineEditing::convertToOfflineProject( const QString& offlineDataPath,
{
QgsMapLayer* layer = QgsMapLayerRegistry::instance()->mapLayer( layerIds.at( i ) );
QgsVectorLayer* vl = qobject_cast<QgsVectorLayer*>( layer );
const QgsVectorJoinList& joins = vl->vectorJoins();
QgsVectorJoinList joins = vl->vectorJoins();
// Layer names will be appended an _offline suffix
// Join fields are prefixed with the layer name and we do not want the
// field name to change so we stabilize the field name by defining a
// custom prefix with the layername without _offline suffix.
QgsVectorJoinList::iterator it = joins.begin();
while ( it != joins.end() )
{
if (( *it ).prefix.isNull() )
{
QgsVectorLayer* vl = qobject_cast<QgsVectorLayer*>( QgsMapLayerRegistry::instance()->mapLayer(( *it ).joinLayerId ) );
if ( vl )
( *it ).prefix = vl->name() + "_";
}
++it;
}
joinInfoBuffer.insert( vl->id(), joins );
}