+ @Override
+ public AlignViewportI getCodingComplement()
+ {
+ return this.codingComplement;
+ }
+
+ /**
+ * Set this as the (cDna/protein) complement of the given viewport. Also
+ * ensures the reverse relationship is set on the given viewport.
+ */
+ @Override
+ public void setCodingComplement(AlignViewportI av)
+ {
+ if (this == av)
+ {
+ System.err.println("Ignoring recursive setCodingComplement request");
+ }
+ else
+ {
+ this.codingComplement = av;
+ // avoid infinite recursion!
+ if (av.getCodingComplement() != this)
+ {
+ av.setCodingComplement(this);
+ }
+ }
+ }
+
+ @Override
+ public boolean isNucleotide()
+ {
+ return getAlignment() == null ? false : getAlignment().isNucleotide();
+ }
+