import jalview.api.AlignmentColsCollectionI;
+import java.util.BitSet;
import java.util.Iterator;
public class VisibleColsCollection implements AlignmentColsCollectionI
HiddenColumns hidden;
- public VisibleColsCollection(int s, int e, AlignmentI al)
+ private BitSet bsVisible;
+
+ public VisibleColsCollection(int s, int e, HiddenColumns h)
{
start = s;
end = e;
- hidden = al.getHiddenColumns();
+ hidden = h;
}
@Override
public Iterator<Integer> iterator()
{
- return new VisibleColsIterator(start, end, hidden);
+ return hidden.getVisibleColsIterator(start, end);
}
@Override
return false;
}
+ /**
+ * Only the visible columns.
+ */
+ @Override
+ public BitSet getOverviewBitSet()
+ {
+ if (bsVisible == null)
+ {
+ bsVisible = new BitSet(end + 1);
+ }
+ bsVisible.clear();
+ bsVisible.set(start, end + 1);
+ bsVisible.andNot(hidden.getBitset());
+
+ return bsVisible;
+ }
+
+ @Override
+ public BitSet getHiddenBitSet()
+ {
+ return new BitSet();
+ }
+
}