2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2005 AM Waterhouse, J Procter, G Barton, M Clamp, S Searle
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5 * This program is free software; you can redistribute it and/or
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6 * modify it under the terms of the GNU General Public License
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7 * as published by the Free Software Foundation; either version 2
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8 * of the License, or (at your option) any later version.
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program; if not, write to the Free Software
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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19 package jalview.datamodel;
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21 import jalview.analysis.*;
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23 import jalview.util.*;
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27 /** Data structure to hold and manipulate a multiple sequence alignment
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29 public class Alignment implements AlignmentI
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31 protected Alignment dataset;
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32 protected Vector sequences;
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33 protected Vector groups = new Vector();
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34 protected char gapCharacter = '-';
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35 protected int type = NUCLEOTIDE;
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36 public static final int PROTEIN = 0;
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37 public static final int NUCLEOTIDE = 1;
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39 /** DOCUMENT ME!! */
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40 public AlignmentAnnotation[] annotations;
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42 HiddenSequences hiddenSequences = new HiddenSequences(this);
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45 /** Make an alignment from an array of Sequences.
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49 public Alignment(SequenceI[] seqs)
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53 if( jalview.util.Comparison.isNucleotide(seqs))
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58 sequences = new Vector();
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60 for (i = 0; i < seqs.length; i++)
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62 sequences.addElement(seqs[i]);
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69 * @return DOCUMENT ME!
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71 public Vector getSequences()
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76 public SequenceI [] getSequencesArray()
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78 SequenceI [] reply = new SequenceI[sequences.size()];
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79 for(int i=0; i<sequences.size(); i++)
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81 reply[i] = (SequenceI)sequences.elementAt(i);
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89 * @param i DOCUMENT ME!
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91 * @return DOCUMENT ME!
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93 public SequenceI getSequenceAt(int i)
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95 if (i < sequences.size())
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97 return (SequenceI) sequences.elementAt(i);
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103 /** Adds a sequence to the alignment. Recalculates maxLength and size.
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107 public void addSequence(SequenceI snew)
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111 if(snew.getDatasetSequence()!=null)
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113 System.out.println(snew.getName());
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114 getDataset().addSequence(snew.getDatasetSequence());
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118 Sequence ds = new Sequence(snew.getName(),
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119 AlignSeq.extractGaps("-. ",
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120 snew.getSequence()),
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124 snew.setDatasetSequence(ds);
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125 getDataset().addSequence(ds);
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129 sequences.addElement(snew);
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133 /** Adds a sequence to the alignment. Recalculates maxLength and size.
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137 public void setSequenceAt(int i, SequenceI snew)
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139 SequenceI oldseq = getSequenceAt(i);
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140 deleteSequence(oldseq);
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142 sequences.setElementAt(snew, i);
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148 * @return DOCUMENT ME!
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150 public Vector getGroups()
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155 /** Takes out columns consisting entirely of gaps (-,.," ")
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157 public void removeGaps()
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159 SequenceI[] seqs = getVisibleAndRepresentedSeqs();
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160 int j, jSize = seqs.length;
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163 for (int i = 0; i < jSize; i++)
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165 if (seqs[i].getLength() > width)
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167 width = seqs[i].getLength();
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171 int startCol = -1, endCol = -1;
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172 boolean delete = true;
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173 for (int i = 0; i < width; i++)
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177 for (j = 0; j < jSize; j++)
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179 if (seqs[j].getLength() > i)
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181 if (!jalview.util.Comparison.isGap(seqs[j].getCharAt(i)))
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193 if(delete && startCol==-1)
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199 if (!delete && startCol > -1)
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201 deleteColumns(seqs, startCol, endCol);
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202 width -= (endCol - startCol);
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203 i -= (endCol - startCol);
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209 if (delete && startCol > -1)
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211 deleteColumns(seqs, startCol, endCol);
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216 /** Removes a range of columns (start to end inclusive).
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218 * @param seqs Sequences to remove columns from
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219 * @param start Start column in the alignment
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220 * @param end End column in the alignment
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222 public void deleteColumns(SequenceI [] seqs, int start, int end)
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224 for(int i=0; i<seqs.length; i++)
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225 seqs[i].deleteChars(start, end);
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232 * @param i DOCUMENT ME!
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234 public void trimLeft(int i)
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236 SequenceI[] seqs = getVisibleAndRepresentedSeqs();
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237 int j, jSize = seqs.length;
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238 for (j = 0; j < jSize; j++)
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240 int newstart = seqs[j].findPosition(i);
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242 if(i>seqs[j].getLength())
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244 sequences.removeElement(seqs[j]);
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250 seqs[j].setStart(newstart);
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251 seqs[j].setSequence(seqs[j].getSequence().substring(i));
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259 * @param i DOCUMENT ME!
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261 public void trimRight(int i)
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263 SequenceI[] seqs = getVisibleAndRepresentedSeqs();
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264 int j, jSize = seqs.length;
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265 for (j = 0; j < jSize; j++)
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267 int newend = seqs[j].findPosition(i);
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269 seqs[j].setEnd(newend);
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270 if(seqs[j].getLength()>i)
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271 seqs[j].setSequence(seqs[j].getSequence().substring(0, i + 1));
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278 * @param s DOCUMENT ME!
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280 public void deleteSequence(SequenceI s)
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282 for (int i = 0; i < getHeight(); i++)
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284 if (getSequenceAt(i) == s)
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294 * @param i DOCUMENT ME!
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296 public void deleteSequence(int i)
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298 sequences.removeElementAt(i);
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303 public SequenceGroup findGroup(SequenceI s)
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305 for (int i = 0; i < this.groups.size(); i++)
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307 SequenceGroup sg = (SequenceGroup) groups.elementAt(i);
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309 if (sg.getSequences(false).contains(s))
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321 * @param s DOCUMENT ME!
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323 * @return DOCUMENT ME!
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325 public SequenceGroup[] findAllGroups(SequenceI s)
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327 Vector temp = new Vector();
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329 int gSize = groups.size();
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330 for (int i = 0; i < gSize; i++)
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332 SequenceGroup sg = (SequenceGroup) groups.elementAt(i);
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333 if(sg==null || sg.getSequences(false)==null)
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335 this.deleteGroup(sg);
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340 if (sg.getSequences(false).contains(s))
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342 temp.addElement(sg);
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346 SequenceGroup[] ret = new SequenceGroup[temp.size()];
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348 for (int i = 0; i < temp.size(); i++)
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350 ret[i] = (SequenceGroup) temp.elementAt(i);
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359 public void addGroup(SequenceGroup sg)
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361 if (!groups.contains(sg))
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363 groups.addElement(sg);
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370 public void deleteAllGroups()
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372 groups.removeAllElements();
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376 while (i < sequences.size())
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378 SequenceI s = getSequenceAt(i);
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379 s.setColor(java.awt.Color.white);
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385 public void deleteGroup(SequenceGroup g)
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387 if (groups.contains(g))
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389 groups.removeElement(g);
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394 public SequenceI findName(String name)
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398 while (i < sequences.size())
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400 if (getSequenceAt(i).getName().equals(name))
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402 return getSequenceAt(i);
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413 public int findIndex(SequenceI s)
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417 while (i < sequences.size())
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419 if (s == getSequenceAt(i))
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433 * @return DOCUMENT ME!
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435 public int getHeight()
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437 return sequences.size();
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443 * @return DOCUMENT ME!
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445 public int getWidth()
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447 int maxLength = -1;
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449 for (int i = 0; i < sequences.size(); i++)
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451 if (getSequenceAt(i).getLength() > maxLength)
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453 maxLength = getSequenceAt(i).getLength();
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463 * @return DOCUMENT ME!
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465 public int getMaxIdLength()
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470 while (i < sequences.size())
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472 SequenceI seq = getSequenceAt(i);
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473 String tmp = seq.getName() + "/" + seq.getStart() + "-" +
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476 if (tmp.length() > max)
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478 max = tmp.length();
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490 * @param gc DOCUMENT ME!
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492 public void setGapCharacter(char gc)
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496 for (int i = 0; i < sequences.size(); i++)
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498 Sequence seq = (Sequence) sequences.elementAt(i);
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499 seq.setSequence( seq.getSequence().replace('.', gc) );
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500 seq.setSequence( seq.getSequence().replace('-', gc) );
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501 seq.setSequence( seq.getSequence().replace(' ', gc) );
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508 * @return DOCUMENT ME!
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510 public char getGapCharacter()
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512 return gapCharacter;
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518 * @return DOCUMENT ME!
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520 public Vector getAAFrequency()
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522 return AAFrequency.calculate(sequences, 0, getWidth());
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528 * @return DOCUMENT ME!
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530 public boolean isAligned()
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532 int width = getWidth();
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534 for (int i = 0; i < sequences.size(); i++)
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536 if (getSequenceAt(i).getLength() != width)
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548 * @param aa DOCUMENT ME!
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550 public void deleteAnnotation(AlignmentAnnotation aa)
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554 if (annotations != null)
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556 aSize = annotations.length;
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559 AlignmentAnnotation[] temp = new AlignmentAnnotation[aSize - 1];
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563 for (int i = 0; i < aSize; i++)
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565 if (annotations[i] == aa)
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570 temp[tIndex] = annotations[i];
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574 annotations = temp;
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578 public void adjustSequenceAnnotations()
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580 if(annotations!=null)
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582 for (int a = 0; a < annotations.length; a++)
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584 if (annotations[a].sequenceRef != null)
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586 annotations[a].adjustForAlignment();
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595 * @param aa DOCUMENT ME!
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597 public void addAnnotation(AlignmentAnnotation aa)
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600 if (annotations != null)
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602 aSize = annotations.length + 1;
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605 AlignmentAnnotation[] temp = new AlignmentAnnotation[aSize];
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607 temp[aSize-1] = aa;
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613 for (i = 0; i < (aSize-1); i++)
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615 temp[i] = annotations[i];
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619 annotations = temp;
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622 public void setAnnotationIndex(AlignmentAnnotation aa, int index)
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624 if(aa==null || annotations==null || annotations.length-1<index)
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627 int aSize = annotations.length;
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628 AlignmentAnnotation[] temp = new AlignmentAnnotation[aSize];
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632 for (int i = 0; i < aSize; i++)
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638 temp[i] = annotations[i];
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640 temp[i] = annotations[i-1];
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643 annotations = temp;
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649 * @return DOCUMENT ME!
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651 public AlignmentAnnotation[] getAlignmentAnnotation()
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653 return annotations;
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656 public void setNucleotide(boolean b)
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664 public boolean isNucleotide()
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666 if(type==NUCLEOTIDE)
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672 public void setDataset(Alignment data)
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674 if(dataset==null && data==null)
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676 // Create a new dataset for this alignment.
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677 // Can only be done once, if dataset is not null
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678 // This will not be performed
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679 Sequence[] seqs = new Sequence[getHeight()];
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680 for (int i = 0; i < getHeight(); i++)
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682 if(getSequenceAt(i).getDatasetSequence()!=null)
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684 seqs[i] = (Sequence)getSequenceAt(i).getDatasetSequence();
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688 seqs[i] = new Sequence(getSequenceAt(i).getName(),
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689 AlignSeq.extractGaps(
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690 jalview.util.Comparison.GapChars,
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691 getSequenceAt(i).getSequence()
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693 getSequenceAt(i).getStart(),
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694 getSequenceAt(i).getEnd());
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696 getSequenceAt(i).setDatasetSequence(seqs[i]);
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700 dataset = new Alignment(seqs);
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702 else if(dataset==null && data!=null)
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708 public Alignment getDataset()
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713 public boolean padGaps() {
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714 boolean modified=false;
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716 //Remove excess gaps from the end of alignment
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717 int maxLength = -1;
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720 for (int i = 0; i < sequences.size(); i++)
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722 current = getSequenceAt(i);
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723 for (int j = current.getLength(); j > maxLength; j--)
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725 if (j > maxLength && !jalview.util.Comparison.isGap(
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726 current.getCharAt(j)))
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736 for (int i = 0; i < sequences.size();
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739 current = getSequenceAt(i);
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741 if (current.getLength() < maxLength)
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743 current.insertCharAt(maxLength - 1, gapCharacter);
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746 else if(current.getLength() > maxLength)
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748 current.deleteChars(maxLength, current.getLength());
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754 public HiddenSequences getHiddenSequences()
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756 return hiddenSequences;
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759 SequenceI [] getVisibleAndRepresentedSeqs()
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761 if(hiddenSequences==null || hiddenSequences.getSize()<1)
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762 return getSequencesArray();
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764 Vector seqs = new Vector();
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766 SequenceGroup hidden;
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767 for (int i = 0; i < sequences.size(); i++)
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769 seq = (SequenceI) sequences.elementAt(i);
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770 seqs.addElement(seq);
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771 hidden = seq.getHiddenSequences();
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774 for(int j=0; j<hidden.getSize(false); j++)
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776 seqs.addElement(hidden.getSequenceAt(j));
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780 SequenceI [] result = new SequenceI[seqs.size()];
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781 for(int i=0; i<seqs.size(); i++)
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782 result[i] = (SequenceI)seqs.elementAt(i);
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