bool QgsVectorLayerFeatureIterator::nextFeatureFid( QgsFeature& f )
{
QgsFeatureId featureId = mRequest.filterFid();
// deleted already?
if ( mDeletedFeatureIds.contains( featureId ) )
return false;
// has changed geometry?
if ( !( mRequest.flags() & QgsFeatureRequest::NoGeometry ) && mChangedGeometries.contains( featureId ) )
{
useChangedAttributeFeature( featureId, mChangedGeometries[featureId], f );
return true;
}
// added features
for ( QgsFeatureMap::ConstIterator iter = mAddedFeatures.constBegin(); iter != mAddedFeatures.constEnd(); ++iter )
{
if ( iter->id() == featureId )
{
useAddedFeature( *iter, f );
return true;
}
}
// regular features
QgsFeatureIterator fi = L->dataProvider()->getFeatures( mProviderRequest );
if ( fi.nextFeature( f ) )
{
updateChangedAttributes( f );
if ( !mFetchJoinInfo.isEmpty() )
addJoinedAttributes( f );
return true;
}
return false;
}
bool QgsVectorLayerFeatureIterator::fetchNextAddedFeature( QgsFeature& f )
{
while ( mFetchAddedFeaturesIt-- != mAddedFeatures.constBegin() )
{
QgsFeatureId fid = mFetchAddedFeaturesIt->id();
if ( mFetchConsidered.contains( fid ) )
// must have changed geometry outside rectangle
continue;
if ( !mRequest.acceptFeature( *mFetchAddedFeaturesIt ) )
// skip features which are not accepted by the filter
continue;
useAddedFeature( *mFetchAddedFeaturesIt, f );
return true;
}
mFetchAddedFeaturesIt = mAddedFeatures.constBegin();
return false; // no more added features
}
bool QgsVectorLayerFeatureIterator::fetchNextAddedFeature( QgsFeature& f )
{
for ( ; mFetchAddedFeaturesIt != mAddedFeatures.constEnd(); mFetchAddedFeaturesIt++ )
{
QgsFeatureId fid = mFetchAddedFeaturesIt->id();
if ( mFetchConsidered.contains( fid ) )
// must have changed geometry outside rectangle
continue;
if ( mRequest.filterType() == QgsFeatureRequest::FilterRect &&
mFetchAddedFeaturesIt->geometry() &&
!mFetchAddedFeaturesIt->geometry()->intersects( mRequest.filterRect() ) )
// skip added features not in rectangle
continue;
useAddedFeature( *mFetchAddedFeaturesIt, f );
mFetchAddedFeaturesIt++;
return true;
}
return false; // no more added features
}
