2 * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8.2)
3 * Copyright (C) 2014 The Jalview Authors
5 * This file is part of Jalview.
7 * Jalview is free software: you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
11 * Jalview is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty
13 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
14 * PURPOSE. See the GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License along with Jalview. If not, see <http://www.gnu.org/licenses/>.
17 * The Jalview Authors are detailed in the 'AUTHORS' file.
19 package jalview.datamodel;
21 import java.util.Enumeration;
22 import java.util.Vector;
24 import jalview.util.MapList;
27 * Stores mapping between the columns of a protein alignment and a DNA alignment
28 * and a list of individual codon to amino acid mappings between sequences.
31 public class AlignedCodonFrame
34 * array of nucleotide positions for aligned codons at column of aligned
37 public int[][] codons = null;
40 * width of protein sequence alignement implicit assertion that codons.length
43 public int aaWidth = 0;
46 * initialise codon frame with a nominal alignment width
50 public AlignedCodonFrame(int aWidth)
57 codons = new int[aWidth][];
58 for (int res = 0; res < aWidth; res++)
63 * ensure that codons array is at least as wide as aslen residues
66 * @return (possibly newly expanded) codon array
68 public int[][] checkCodonFrameWidth(int aslen)
70 if (codons.length <= aslen + 1)
72 // probably never have to do this ?
73 int[][] c = new int[codons.length + 10][];
74 for (int i = 0; i < codons.length; i++)
85 * @return width of aligned translated amino acid residues
87 public int getaaWidth()
93 * TODO: not an ideal solution - we reference the aligned amino acid sequences
94 * in order to make insertions on them Better would be dnaAlignment and
95 * aaAlignment reference....
97 Vector a_aaSeqs = new Vector();
100 * increase aaWidth by one and insert a new aligned codon position space at
105 public void insertAAGap(int aspos, char gapCharacter)
107 // this aa appears before the aligned codons at aspos - so shift them in
108 // each pair of mapped sequences
110 if (a_aaSeqs != null)
112 // we actually have to modify the aligned sequences here, so use the
114 Enumeration sq = a_aaSeqs.elements();
115 while (sq.hasMoreElements())
117 ((SequenceI) sq.nextElement()).insertCharAt(aspos, gapCharacter);
120 checkCodonFrameWidth(aspos);
124 System.arraycopy(codons, aspos, codons, aspos + 1, codons.length - aspos - 1);
125 codons[aspos] = null; // clear so new codon position can be marked.
129 public void setAaWidth(int aapos)
135 * tied array of na Sequence objects.
137 SequenceI[] dnaSeqs = null;
140 * tied array of Mappings to protein sequence Objects and SequenceI[]
141 * aaSeqs=null; MapLists where eac maps from the corresponding dnaSeqs element
142 * to corresponding aaSeqs element
144 Mapping[] dnaToProt = null;
147 * add a mapping between the dataset sequences for the associated dna and
148 * protein sequence objects
154 public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map)
159 nlen = dnaSeqs.length + 1;
161 SequenceI[] ndna = new SequenceI[nlen];
162 Mapping[] ndtp = new Mapping[nlen];
165 System.arraycopy(dnaSeqs, 0, ndna, 0, dnaSeqs.length);
166 System.arraycopy(dnaToProt, 0, ndtp, 0, dnaSeqs.length);
171 dnaSeqs[nlen] = (dnaseq.getDatasetSequence() == null) ? dnaseq : dnaseq
172 .getDatasetSequence();
173 Mapping mp = new Mapping(map);
174 // JBPNote DEBUG! THIS !
175 // dnaseq.transferAnnotation(aaseq, mp);
176 // aaseq.transferAnnotation(dnaseq, new Mapping(map.getInverse()));
177 mp.to = (aaseq.getDatasetSequence() == null) ? aaseq : aaseq
178 .getDatasetSequence();
179 a_aaSeqs.addElement(aaseq);
180 dnaToProt[nlen] = mp;
183 public SequenceI[] getdnaSeqs()
188 public SequenceI[] getAaSeqs()
190 if (dnaToProt == null)
192 SequenceI[] sqs = new SequenceI[dnaToProt.length];
193 for (int sz = 0; sz < dnaToProt.length; sz++)
195 sqs[sz] = dnaToProt[sz].to;
200 public MapList[] getdnaToProt()
202 if (dnaToProt == null)
204 MapList[] sqs = new MapList[dnaToProt.length];
205 for (int sz = 0; sz < dnaToProt.length; sz++)
207 sqs[sz] = dnaToProt[sz].map;
212 public Mapping[] getProtMappings()
220 * @return null or corresponding aaSeq entry for dnaSeq entry
222 public SequenceI getAaForDnaSeq(SequenceI dnaSeqRef)
228 SequenceI dnads = dnaSeqRef.getDatasetSequence();
229 for (int ds = 0; ds < dnaSeqs.length; ds++)
231 if (dnaSeqs[ds] == dnaSeqRef || dnaSeqs[ds] == dnads)
232 return dnaToProt[ds].to;
240 * @return null or corresponding aaSeq entry for dnaSeq entry
242 public SequenceI getDnaForAaSeq(SequenceI aaSeqRef)
244 if (dnaToProt == null)
248 SequenceI aads = aaSeqRef.getDatasetSequence();
249 for (int as = 0; as < dnaToProt.length; as++)
251 if (dnaToProt[as].to == aaSeqRef || dnaToProt[as].to == aads)
258 * test to see if codon frame involves seq in any way
261 * a nucleotide or protein sequence
262 * @return true if a mapping exists to or from this sequence to any translated
265 public boolean involvesSequence(SequenceI seq)
267 return getAaForDnaSeq(seq) != null || getDnaForAaSeq(seq) != null;
271 * Add search results for regions in other sequences that translate or are
272 * translated from a particular position in seq
278 * where highlighted regions go
280 public void markMappedRegion(SequenceI seq, int index,
281 SearchResults results)
283 if (dnaToProt == null)
288 SequenceI ds = seq.getDatasetSequence();
289 for (int mi = 0; mi < dnaToProt.length; mi++)
291 if (dnaSeqs[mi] == seq || dnaSeqs[mi] == ds)
293 // DEBUG System.err.println("dna pos "+index);
294 codon = dnaToProt[mi].map.locateInTo(index, index);
297 for (int i = 0; i < codon.length; i += 2)
299 results.addResult(dnaToProt[mi].to, codon[i], codon[i + 1]);
303 else if (dnaToProt[mi].to == seq || dnaToProt[mi].to == ds)
305 // DEBUG System.err.println("aa pos "+index);
307 codon = dnaToProt[mi].map.locateInFrom(index, index);
310 for (int i = 0; i < codon.length; i += 2)
312 results.addResult(dnaSeqs[mi], codon[i], codon[i + 1]);