X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignedCodonFrame.java;h=627f0a6a6ba112e3178ed909e80432ca8a551b10;hb=4d7f98a6dd54d9863ba449ec79dcd95d25ed863d;hp=335621f77221ff4f841f6885a6aca2061bf3e70f;hpb=797df64fa2a0a30773d0f48f5494d4155e5a8be3;p=jalview.git diff --git a/src/jalview/datamodel/AlignedCodonFrame.java b/src/jalview/datamodel/AlignedCodonFrame.java index 335621f..627f0a6 100644 --- a/src/jalview/datamodel/AlignedCodonFrame.java +++ b/src/jalview/datamodel/AlignedCodonFrame.java @@ -1,318 +1,462 @@ -/* - * Jalview - A Sequence Alignment Editor and Viewer (Version 2.7) - * Copyright (C) 2011 J Procter, AM Waterhouse, J Engelhardt, LM Lui, G Barton, M Clamp, S Searle - * - * This file is part of Jalview. - * - * Jalview is free software: you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - * - * Jalview is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR - * PURPOSE. See the GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along with Jalview. If not, see . - */ -package jalview.datamodel; - -import java.util.Enumeration; -import java.util.Vector; - -import jalview.util.MapList; - -/** - * Stores mapping between the columns of a protein alignment and a DNA alignment - * and a list of individual codon to amino acid mappings between sequences. - */ - -public class AlignedCodonFrame -{ - /** - * array of nucleotide positions for aligned codons at column of aligned - * proteins. - */ - public int[][] codons = null; - - /** - * width of protein sequence alignement implicit assertion that codons.length - * >= aaWidth - */ - public int aaWidth = 0; - - /** - * initialise codon frame with a nominal alignment width - * - * @param aWidth - */ - public AlignedCodonFrame(int aWidth) - { - if (aWidth <= 0) - { - codons = null; - return; - } - codons = new int[aWidth][]; - for (int res = 0; res < aWidth; res++) - codons[res] = null; - } - - /** - * ensure that codons array is at least as wide as aslen residues - * - * @param aslen - * @return (possibly newly expanded) codon array - */ - public int[][] checkCodonFrameWidth(int aslen) - { - if (codons.length <= aslen + 1) - { - // probably never have to do this ? - int[][] c = new int[codons.length + 10][]; - for (int i = 0; i < codons.length; i++) - { - c[i] = codons[i]; - codons[i] = null; - } - codons = c; - } - return codons; - } - - /** - * @return width of aligned translated amino acid residues - */ - public int getaaWidth() - { - return aaWidth; - } - - /** - * TODO: not an ideal solution - we reference the aligned amino acid sequences - * in order to make insertions on them Better would be dnaAlignment and - * aaAlignment reference.... - */ - Vector a_aaSeqs = new Vector(); - - /** - * increase aaWidth by one and insert a new aligned codon position space at - * aspos. - * - * @param aspos - */ - public void insertAAGap(int aspos, char gapCharacter) - { - // this aa appears before the aligned codons at aspos - so shift them in - // each pair of mapped sequences - aaWidth++; - if (a_aaSeqs != null) - { - // we actually have to modify the aligned sequences here, so use the - // a_aaSeqs vector - Enumeration sq = a_aaSeqs.elements(); - while (sq.hasMoreElements()) - { - ((SequenceI) sq.nextElement()).insertCharAt(aspos, gapCharacter); - } - } - checkCodonFrameWidth(aspos); - if (aspos < aaWidth) - { - aaWidth++; - System.arraycopy(codons, aspos, codons, aspos + 1, aaWidth - aspos); - codons[aspos] = null; // clear so new codon position can be marked. - } - } - - public void setAaWidth(int aapos) - { - aaWidth = aapos; - } - - /** - * tied array of na Sequence objects. - */ - SequenceI[] dnaSeqs = null; - - /** - * tied array of Mappings to protein sequence Objects and SequenceI[] - * aaSeqs=null; MapLists where eac maps from the corresponding dnaSeqs element - * to corresponding aaSeqs element - */ - Mapping[] dnaToProt = null; - - /** - * add a mapping between the dataset sequences for the associated dna and - * protein sequence objects - * - * @param dnaseq - * @param aaseq - * @param map - */ - public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map) - { - int nlen = 1; - if (dnaSeqs != null) - { - nlen = dnaSeqs.length + 1; - } - SequenceI[] ndna = new SequenceI[nlen]; - Mapping[] ndtp = new Mapping[nlen]; - if (dnaSeqs != null) - { - System.arraycopy(dnaSeqs, 0, ndna, 0, dnaSeqs.length); - System.arraycopy(dnaToProt, 0, ndtp, 0, dnaSeqs.length); - } - dnaSeqs = ndna; - dnaToProt = ndtp; - nlen--; - dnaSeqs[nlen] = (dnaseq.getDatasetSequence() == null) ? dnaseq : dnaseq - .getDatasetSequence(); - Mapping mp = new Mapping(map); - // JBPNote DEBUG! THIS ! - // dnaseq.transferAnnotation(aaseq, mp); - // aaseq.transferAnnotation(dnaseq, new Mapping(map.getInverse())); - mp.to = (aaseq.getDatasetSequence() == null) ? aaseq : aaseq - .getDatasetSequence(); - a_aaSeqs.addElement(aaseq); - dnaToProt[nlen] = mp; - } - - public SequenceI[] getdnaSeqs() - { - return dnaSeqs; - } - - public SequenceI[] getAaSeqs() - { - if (dnaToProt == null) - return null; - SequenceI[] sqs = new SequenceI[dnaToProt.length]; - for (int sz = 0; sz < dnaToProt.length; sz++) - { - sqs[sz] = dnaToProt[sz].to; - } - return sqs; - } - - public MapList[] getdnaToProt() - { - if (dnaToProt == null) - return null; - MapList[] sqs = new MapList[dnaToProt.length]; - for (int sz = 0; sz < dnaToProt.length; sz++) - { - sqs[sz] = dnaToProt[sz].map; - } - return sqs; - } - - public Mapping[] getProtMappings() - { - return dnaToProt; - } - - /** - * - * @param sequenceRef - * @return null or corresponding aaSeq entry for dnaSeq entry - */ - public SequenceI getAaForDnaSeq(SequenceI dnaSeqRef) - { - if (dnaSeqs == null) - { - return null; - } - SequenceI dnads = dnaSeqRef.getDatasetSequence(); - for (int ds = 0; ds < dnaSeqs.length; ds++) - { - if (dnaSeqs[ds] == dnaSeqRef || dnaSeqs[ds] == dnads) - return dnaToProt[ds].to; - } - return null; - } - - /** - * - * @param sequenceRef - * @return null or corresponding aaSeq entry for dnaSeq entry - */ - public SequenceI getDnaForAaSeq(SequenceI aaSeqRef) - { - if (dnaToProt == null) - { - return null; - } - SequenceI aads = aaSeqRef.getDatasetSequence(); - for (int as = 0; as < dnaToProt.length; as++) - { - if (dnaToProt[as].to == aaSeqRef || dnaToProt[as].to == aads) - return dnaSeqs[as]; - } - return null; - } - - /** - * test to see if codon frame involves seq in any way - * - * @param seq - * a nucleotide or protein sequence - * @return true if a mapping exists to or from this sequence to any translated - * sequence - */ - public boolean involvesSequence(SequenceI seq) - { - return getAaForDnaSeq(seq) != null || getDnaForAaSeq(seq) != null; - } - - /** - * Add search results for regions in other sequences that translate or are - * translated from a particular position in seq - * - * @param seq - * @param index - * position in seq - * @param results - * where highlighted regions go - */ - public void markMappedRegion(SequenceI seq, int index, - SearchResults results) - { - if (dnaToProt == null) - { - return; - } - int[] codon; - SequenceI ds = seq.getDatasetSequence(); - for (int mi = 0; mi < dnaToProt.length; mi++) - { - if (dnaSeqs[mi] == seq || dnaSeqs[mi] == ds) - { - // DEBUG System.err.println("dna pos "+index); - codon = dnaToProt[mi].map.locateInTo(index, index); - if (codon != null) - { - for (int i = 0; i < codon.length; i += 2) - { - results.addResult(dnaToProt[mi].to, codon[i], codon[i + 1]); - } - } - } - else if (dnaToProt[mi].to == seq || dnaToProt[mi].to == ds) - { - // DEBUG System.err.println("aa pos "+index); - { - codon = dnaToProt[mi].map.locateInFrom(index, index); - if (codon != null) - { - for (int i = 0; i < codon.length; i += 2) - { - results.addResult(dnaSeqs[mi], codon[i], codon[i + 1]); - } - } - } - } - } - } -} +/* + * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) + * Copyright (C) $$Year-Rel$$ The Jalview Authors + * + * This file is part of Jalview. + * + * Jalview is free software: you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * + * Jalview is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty + * of MERCHANTABILITY or FITNESS FOR A PARTICULAR + * PURPOSE. See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Jalview. If not, see . + * The Jalview Authors are detailed in the 'AUTHORS' file. + */ +package jalview.datamodel; + +import jalview.util.MapList; +import jalview.util.MappingUtils; + +import java.util.ArrayList; +import java.util.List; + +/** + * Stores mapping between the columns of a protein alignment and a DNA alignment + * and a list of individual codon to amino acid mappings between sequences. + */ +public class AlignedCodonFrame +{ + + /** + * tied array of na Sequence objects. + */ + private SequenceI[] dnaSeqs = null; + + /** + * tied array of Mappings to protein sequence Objects and SequenceI[] + * aaSeqs=null; MapLists where each maps from the corresponding dnaSeqs + * element to corresponding aaSeqs element + */ + private Mapping[] dnaToProt = null; + + /** + * Constructor + */ + public AlignedCodonFrame() + { + } + + /** + * Adds a mapping between the dataset sequences for the associated dna and + * protein sequence objects + * + * @param dnaseq + * @param aaseq + * @param map + */ + public void addMap(SequenceI dnaseq, SequenceI aaseq, MapList map) + { + int nlen = 1; + if (dnaSeqs != null) + { + nlen = dnaSeqs.length + 1; + } + SequenceI[] ndna = new SequenceI[nlen]; + Mapping[] ndtp = new Mapping[nlen]; + if (dnaSeqs != null) + { + System.arraycopy(dnaSeqs, 0, ndna, 0, dnaSeqs.length); + System.arraycopy(dnaToProt, 0, ndtp, 0, dnaSeqs.length); + } + dnaSeqs = ndna; + dnaToProt = ndtp; + nlen--; + dnaSeqs[nlen] = (dnaseq.getDatasetSequence() == null) ? dnaseq : dnaseq + .getDatasetSequence(); + Mapping mp = new Mapping(map); + // JBPNote DEBUG! THIS ! + // dnaseq.transferAnnotation(aaseq, mp); + // aaseq.transferAnnotation(dnaseq, new Mapping(map.getInverse())); + mp.to = (aaseq.getDatasetSequence() == null) ? aaseq : aaseq + .getDatasetSequence(); + dnaToProt[nlen] = mp; + } + + public SequenceI[] getdnaSeqs() + { + return dnaSeqs; + } + + public SequenceI[] getAaSeqs() + { + if (dnaToProt == null) + { + return null; + } + SequenceI[] sqs = new SequenceI[dnaToProt.length]; + for (int sz = 0; sz < dnaToProt.length; sz++) + { + sqs[sz] = dnaToProt[sz].to; + } + return sqs; + } + + public MapList[] getdnaToProt() + { + if (dnaToProt == null) + { + return null; + } + MapList[] sqs = new MapList[dnaToProt.length]; + for (int sz = 0; sz < dnaToProt.length; sz++) + { + sqs[sz] = dnaToProt[sz].map; + } + return sqs; + } + + public Mapping[] getProtMappings() + { + return dnaToProt; + } + + /** + * Returns the first mapping found which is to or from the given sequence, or + * null. + * + * @param seq + * @return + */ + public Mapping getMappingForSequence(SequenceI seq) + { + if (dnaSeqs == null) + { + return null; + } + SequenceI seqDs = seq.getDatasetSequence(); + seqDs = seqDs != null ? seqDs : seq; + + for (int ds = 0; ds < dnaSeqs.length; ds++) + { + if (dnaSeqs[ds] == seqDs || dnaToProt[ds].to == seqDs) + { + return dnaToProt[ds]; + } + } + return null; + } + + /** + * Return the corresponding aligned or dataset aa sequence for given dna + * sequence, null if not found. + * + * @param sequenceRef + * @return + */ + public SequenceI getAaForDnaSeq(SequenceI dnaSeqRef) + { + if (dnaSeqs == null) + { + return null; + } + SequenceI dnads = dnaSeqRef.getDatasetSequence(); + for (int ds = 0; ds < dnaSeqs.length; ds++) + { + if (dnaSeqs[ds] == dnaSeqRef || dnaSeqs[ds] == dnads) + { + return dnaToProt[ds].to; + } + } + return null; + } + + /** + * + * @param sequenceRef + * @return null or corresponding aaSeq entry for dnaSeq entry + */ + public SequenceI getDnaForAaSeq(SequenceI aaSeqRef) + { + if (dnaToProt == null) + { + return null; + } + SequenceI aads = aaSeqRef.getDatasetSequence(); + for (int as = 0; as < dnaToProt.length; as++) + { + if (dnaToProt[as].to == aaSeqRef || dnaToProt[as].to == aads) + { + return dnaSeqs[as]; + } + } + return null; + } + + /** + * test to see if codon frame involves seq in any way + * + * @param seq + * a nucleotide or protein sequence + * @return true if a mapping exists to or from this sequence to any translated + * sequence + */ + public boolean involvesSequence(SequenceI seq) + { + return getAaForDnaSeq(seq) != null || getDnaForAaSeq(seq) != null; + } + + /** + * Add search results for regions in other sequences that translate or are + * translated from a particular position in seq + * + * @param seq + * @param index + * position in seq + * @param results + * where highlighted regions go + */ + public void markMappedRegion(SequenceI seq, int index, + SearchResults results) + { + if (dnaToProt == null) + { + return; + } + int[] codon; + SequenceI ds = seq.getDatasetSequence(); + for (int mi = 0; mi < dnaToProt.length; mi++) + { + if (dnaSeqs[mi] == seq || dnaSeqs[mi] == ds) + { + // DEBUG System.err.println("dna pos "+index); + codon = dnaToProt[mi].map.locateInTo(index, index); + if (codon != null) + { + for (int i = 0; i < codon.length; i += 2) + { + results.addResult(dnaToProt[mi].to, codon[i], codon[i + 1]); + } + } + } + else if (dnaToProt[mi].to == seq || dnaToProt[mi].to == ds) + { + // DEBUG System.err.println("aa pos "+index); + { + codon = dnaToProt[mi].map.locateInFrom(index, index); + if (codon != null) + { + for (int i = 0; i < codon.length; i += 2) + { + results.addResult(dnaSeqs[mi], codon[i], codon[i + 1]); + } + } + } + } + } + } + + /** + * Returns the DNA codon positions (base 1) for the given position (base 1) in + * a mapped protein sequence, or null if no mapping is found. + * + * Intended for use in aligning cDNA to match aligned protein. Only the first + * mapping found is returned, so not suitable for use if multiple protein + * sequences are mapped to the same cDNA (but aligning cDNA as protein is + * ill-defined for this case anyway). + * + * @param seq + * the DNA dataset sequence + * @param aaPos + * residue position (base 1) in a protein sequence + * @return + */ + public int[] getDnaPosition(SequenceI seq, int aaPos) + { + /* + * Adapted from markMappedRegion(). + */ + MapList ml = null; + for (int i = 0; i < dnaToProt.length; i++) + { + if (dnaSeqs[i] == seq) + { + ml = getdnaToProt()[i]; + break; + } + } + return ml == null ? null : ml.locateInFrom(aaPos, aaPos); + } + + /** + * Convenience method to return the first aligned sequence in the given + * alignment whose dataset has a mapping with the given dataset sequence. + * + * @param seq + * + * @param al + * @return + */ + public SequenceI findAlignedSequence(SequenceI seq, AlignmentI al) + { + /* + * Search mapped protein ('to') sequences first. + */ + if (this.dnaToProt != null) + { + for (int i = 0; i < dnaToProt.length; i++) + { + if (this.dnaSeqs[i] == seq) + { + for (SequenceI sourceAligned : al.getSequences()) + { + if (this.dnaToProt[i].to == sourceAligned.getDatasetSequence()) + { + return sourceAligned; + } + } + } + } + } + + /* + * Then try mapped dna sequences. + */ + if (this.dnaToProt != null) + { + for (int i = 0; i < dnaToProt.length; i++) + { + if (this.dnaToProt[i].to == seq) + { + for (SequenceI sourceAligned : al.getSequences()) + { + if (this.dnaSeqs[i] == sourceAligned.getDatasetSequence()) + { + return sourceAligned; + } + } + } + } + } + + return null; + } + + /** + * Returns the region in the 'mappedFrom' sequence's dataset that is mapped to + * position 'pos' (base 1) in the 'mappedTo' sequence's dataset. The region is + * a set of start/end position pairs. + * + * @param mappedFrom + * @param mappedTo + * @param pos + * @return + */ + public int[] getMappedRegion(SequenceI mappedFrom, SequenceI mappedTo, + int pos) + { + SequenceI targetDs = mappedFrom.getDatasetSequence() == null ? mappedFrom + : mappedFrom.getDatasetSequence(); + SequenceI sourceDs = mappedTo.getDatasetSequence() == null ? mappedTo + : mappedTo.getDatasetSequence(); + if (targetDs == null || sourceDs == null || dnaToProt == null) + { + return null; + } + for (int mi = 0; mi < dnaToProt.length; mi++) + { + if (dnaSeqs[mi] == targetDs && dnaToProt[mi].to == sourceDs) + { + int[] codon = dnaToProt[mi].map.locateInFrom(pos, pos); + if (codon != null) + { + return codon; + } + } + } + return null; + } + + /** + * Returns the DNA codon for the given position (base 1) in a mapped protein + * sequence, or null if no mapping is found. + * + * @param protein + * the peptide dataset sequence + * @param aaPos + * residue position (base 1) in the peptide sequence + * @return + */ + public char[] getMappedCodon(SequenceI protein, int aaPos) + { + if (dnaToProt == null) + { + return null; + } + MapList ml = null; + char[] dnaSeq = null; + for (int i = 0; i < dnaToProt.length; i++) + { + if (dnaToProt[i].to == protein) + { + ml = getdnaToProt()[i]; + dnaSeq = dnaSeqs[i].getSequence(); + break; + } + } + if (ml == null) + { + return null; + } + int[] codonPos = ml.locateInFrom(aaPos, aaPos); + if (codonPos == null) + { + return null; + } + + /* + * Read off the mapped nucleotides (converting to position base 0) + */ + codonPos = MappingUtils.flattenRanges(codonPos); + return new char[] { dnaSeq[codonPos[0] - 1], dnaSeq[codonPos[1] - 1], + dnaSeq[codonPos[2] - 1] }; + } + + /** + * Returns any mappings found which are to (or from) the given sequence, and + * to distinct sequences. + * + * @param seq + * @return + */ + public List getMappingsForSequence(SequenceI seq) + { + List result = new ArrayList(); + if (dnaSeqs == null) + { + return result; + } + List related = new ArrayList(); + SequenceI seqDs = seq.getDatasetSequence(); + seqDs = seqDs != null ? seqDs : seq; + + for (int ds = 0; ds < dnaSeqs.length; ds++) + { + final Mapping mapping = dnaToProt[ds]; + if (dnaSeqs[ds] == seqDs || mapping.to == seqDs) + { + if (!related.contains(mapping.to)) + { + result.add(mapping); + related.add(mapping.to); + } + } + } + return result; + } +}