import jalview.api.FeatureColourI;
import jalview.datamodel.DBRefEntry;
import jalview.datamodel.DBRefSource;
import jalview.api.FeatureColourI;
import jalview.datamodel.DBRefEntry;
import jalview.datamodel.DBRefSource;
import jalview.datamodel.SequenceFeature;
import jalview.datamodel.SequenceI;
import jalview.util.MessageManager;
import jalview.datamodel.SequenceFeature;
import jalview.datamodel.SequenceI;
import jalview.util.MessageManager;
FeatureColourI fc = fr.getFeatureColours().get(feature.getType());
if (fc != null && fc.isColourByAttribute())
{
FeatureColourI fc = fr.getFeatureColours().get(feature.getType());
if (fc != null && fc.isColourByAttribute())
{