+ /**
+ * Creates a new dataset for this alignment. Can only be done once - if
+ * dataset is not null this will not be performed.
+ */
+ public void createDatasetAlignment()
+ {
+ if (dataset != null)
+ {
+ return;
+ }
+ SequenceI[] seqs = new SequenceI[getHeight()];
+ SequenceI currentSeq;
+ for (int i = 0; i < getHeight(); i++)
+ {
+ currentSeq = getSequenceAt(i);
+ if (currentSeq.getDatasetSequence() != null)
+ {
+ seqs[i] = currentSeq.getDatasetSequence();
+ }
+ else
+ {
+ seqs[i] = currentSeq.createDatasetSequence();
+ }
+ }
+
+ dataset = new Alignment(seqs);
+ // move mappings to the dataset alignment
+ dataset.codonFrameList = this.codonFrameList;
+ this.codonFrameList = null;
+ }
+
+ /**
+ * reference count for number of alignments referencing this one.
+ */
+ int alignmentRefs = 0;
+
+ /**
+ * increase reference count to this alignment.
+ */
+ private void addAlignmentRef()
+ {
+ alignmentRefs++;
+ }
+
+ @Override
+ public Alignment getDataset()
+ {
+ return dataset;
+ }
+
+ @Override
+ public boolean padGaps()
+ {
+ boolean modified = false;
+
+ // Remove excess gaps from the end of alignment
+ int maxLength = -1;
+
+ SequenceI current;
+ for (int i = 0; i < sequences.size(); i++)
+ {
+ current = getSequenceAt(i);
+ for (int j = current.getLength(); j > maxLength; j--)
+ {
+ if (j > maxLength
+ && !jalview.util.Comparison.isGap(current.getCharAt(j)))
+ {
+ maxLength = j;
+ break;
+ }
+ }
+ }
+
+ maxLength++;
+
+ int cLength;
+ for (int i = 0; i < sequences.size(); i++)
+ {
+ current = getSequenceAt(i);
+ cLength = current.getLength();
+
+ if (cLength < maxLength)
+ {
+ current.insertCharAt(cLength, maxLength - cLength, gapCharacter);
+ modified = true;
+ }
+ else if (current.getLength() > maxLength)
+ {
+ current.deleteChars(maxLength, current.getLength());
+ }
+ }
+ return modified;
+ }
+
+ /**
+ * Justify the sequences to the left or right by deleting and inserting gaps
+ * before the initial residue or after the terminal residue
+ *
+ * @param right
+ * true if alignment padded to right, false to justify to left
+ * @return true if alignment was changed
+ */
+ @Override
+ public boolean justify(boolean right)
+ {
+ boolean modified = false;
+
+ // Remove excess gaps from the end of alignment
+ int maxLength = -1;
+ int ends[] = new int[sequences.size() * 2];
+ SequenceI current;
+ for (int i = 0; i < sequences.size(); i++)
+ {
+ current = getSequenceAt(i);
+ // This should really be a sequence method
+ ends[i * 2] = current.findIndex(current.getStart());
+ ends[i * 2 + 1] = current.findIndex(current.getStart()
+ + current.getLength());
+ boolean hitres = false;
+ for (int j = 0, rs = 0, ssiz = current.getLength(); j < ssiz; j++)
+ {
+ if (!jalview.util.Comparison.isGap(current.getCharAt(j)))
+ {
+ if (!hitres)
+ {
+ ends[i * 2] = j;
+ hitres = true;
+ }
+ else
+ {
+ ends[i * 2 + 1] = j;
+ if (j - ends[i * 2] > maxLength)
+ {
+ maxLength = j - ends[i * 2];
+ }
+ }
+ }
+ }
+ }
+
+ maxLength++;
+ // now edit the flanking gaps to justify to either left or right
+ int cLength, extent, diff;
+ for (int i = 0; i < sequences.size(); i++)
+ {
+ current = getSequenceAt(i);
+
+ cLength = 1 + ends[i * 2 + 1] - ends[i * 2];
+ diff = maxLength - cLength; // number of gaps to indent
+ extent = current.getLength();
+ if (right)
+ {
+ // right justify
+ if (extent > ends[i * 2 + 1])
+ {
+ current.deleteChars(ends[i * 2 + 1] + 1, extent);
+ modified = true;
+ }
+ if (ends[i * 2] > diff)
+ {
+ current.deleteChars(0, ends[i * 2] - diff);
+ modified = true;
+ }
+ else
+ {
+ if (ends[i * 2] < diff)
+ {
+ current.insertCharAt(0, diff - ends[i * 2], gapCharacter);
+ modified = true;
+ }
+ }
+ }
+ else
+ {
+ // left justify
+ if (ends[i * 2] > 0)
+ {
+ current.deleteChars(0, ends[i * 2]);
+ modified = true;
+ ends[i * 2 + 1] -= ends[i * 2];
+ extent -= ends[i * 2];
+ }
+ if (extent > maxLength)
+ {
+ current.deleteChars(maxLength + 1, extent);
+ modified = true;
+ }
+ else
+ {
+ if (extent < maxLength)
+ {
+ current.insertCharAt(extent, maxLength - extent, gapCharacter);
+ modified = true;
+ }
+ }
+ }
+ }
+ return modified;
+ }
+
+ @Override
+ public HiddenSequences getHiddenSequences()
+ {
+ return hiddenSequences;
+ }
+
+ @Override
+ public CigarArray getCompactAlignment()
+ {
+ synchronized (sequences)
+ {
+ SeqCigar alseqs[] = new SeqCigar[sequences.size()];
+ int i = 0;
+ for (SequenceI seq : sequences)
+ {
+ alseqs[i++] = new SeqCigar(seq);
+ }
+ CigarArray cal = new CigarArray(alseqs);
+ cal.addOperation(CigarArray.M, getWidth());
+ return cal;
+ }
+ }
+
+ @Override
+ public void setProperty(Object key, Object value)
+ {
+ if (alignmentProperties == null)
+ {
+ alignmentProperties = new Hashtable();