public void add(Feature feature, FeatureMetaData metadata, FeatureState featureState) {
// all features are shown in the ALL tab
FeatureModel row = new FeatureModel(feature, metadata, strategies);
row.populateFromFeatureState(featureState);
allTab.add(row);
for (FeatureGroup group : metadata.getGroups()) {
String label = group.getLabel();