+ final AlignmentI alignment = getViewport().getAlignment();
+ Set<AlignedCodonFrame> mappings = alignment.getCodonFrames();
+ if (mappings == null)
+ {
+ return;
+ }
+ List<SequenceI> cdnaSeqs = new ArrayList<SequenceI>();
+ for (SequenceI aaSeq : alignment.getSequences()) {
+ for (AlignedCodonFrame acf : mappings) {
+ SequenceI dnaSeq = acf.getDnaForAaSeq(aaSeq.getDatasetSequence());
+ if (dnaSeq != null)
+ {
+ /*
+ * There is a cDNA mapping for this protein sequence - add to new
+ * alignment. It will share the same dataset sequence as other mapped
+ * cDNA (no new mappings need to be created).
+ */
+ final Sequence newSeq = new Sequence(dnaSeq);
+ newSeq.setDatasetSequence(dnaSeq);
+ cdnaSeqs.add(newSeq);
+ }
+ }
+ }
+ if (cdnaSeqs.size() == 0)
+ {
+ // show a warning dialog no mapped cDNA
+ return;
+ }
+ AlignmentI cdna = new Alignment(cdnaSeqs.toArray(new SequenceI[cdnaSeqs
+ .size()]));
+ AlignFrame alignFrame = new AlignFrame(cdna, AlignFrame.DEFAULT_WIDTH,
+ AlignFrame.DEFAULT_HEIGHT);
+ cdna.alignAs(alignment);
+ String newtitle = "cDNA " + MessageManager.getString("label.for") + " "
+ + this.title;
+ Desktop.addInternalFrame(alignFrame, newtitle,
+ AlignFrame.DEFAULT_WIDTH,
+ AlignFrame.DEFAULT_HEIGHT);
+