2 * Jalview - A Sequence Alignment Editor and Viewer
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3 * Copyright (C) 2006 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.commands;
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21 import jalview.datamodel.*;
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23 import java.util.Hashtable;
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27 * <p>Title: EditCommmand</p>
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29 * <p>Description: Essential information for performing
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30 * undo and redo for cut/paste insert/delete gap
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31 * which can be stored in the HistoryList </p>
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33 * <p>Copyright: Copyright (c) 2006</p>
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35 * <p>Company: Dundee University</p>
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37 * @author not attributable
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40 public class EditCommand implements CommandI
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42 public static final int INSERT_GAP = 0;
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43 public static final int DELETE_GAP = 1;
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44 public static final int CUT = 2;
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45 public static final int PASTE = 3;
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51 public EditCommand()
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54 public EditCommand(String description)
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56 this.description = description;
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59 public EditCommand( String description,
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66 this.description = description;
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67 if ( command==CUT || command==PASTE)
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69 edits = new Edit[]{new Edit(command, seqs, position, number, al)};
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76 public String getDescription()
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81 public int getSize()
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83 return edits==null?0:edits.length;
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86 public AlignmentI getAlignment()
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92 public void appendEdit(int command,
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97 boolean performEdit)
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99 Edit edit = new Edit(command, seqs, position, number, al.getGapCharacter());
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100 if(al.getHeight()==seqs.length)
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103 edit.fullAlignmentHeight = true;
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108 Edit[] temp = new Edit[edits.length + 1];
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109 System.arraycopy(edits, 0, temp, 0, edits.length);
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111 edits[edits.length - 1] = edit;
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114 edits = new Edit[] { edit };
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117 performEdit(edits.length - 1);
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120 void performEdit(int commandIndex)
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122 int eSize = edits.length;
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123 for (int e = commandIndex; e < eSize; e++)
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125 if (edits[e].command==INSERT_GAP)
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127 insertGap(edits[e]);
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129 else if (edits[e].command==DELETE_GAP)
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131 deleteGap(edits[e]);
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133 else if(edits[e].command==CUT)
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137 else if(edits[e].command==PASTE)
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144 public void doCommand()
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149 public void undoCommand()
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151 int e = 0, eSize = edits.length;
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152 for (e = eSize-1; e > -1; e--)
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154 if (edits[e].command==INSERT_GAP)
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156 deleteGap(edits[e]);
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158 else if (edits[e].command==DELETE_GAP)
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160 insertGap(edits[e]);
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162 else if (edits[e].command==CUT)
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166 else if (edits[e].command==PASTE)
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173 void insertGap(Edit command)
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175 for(int s=0; s<command.seqs.length; s++)
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177 command.seqs[s].insertCharAt(command.position,
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182 if (command.fullAlignmentHeight)
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184 adjustAnnotations(command, true);
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188 void deleteGap(Edit command)
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190 for (int s = 0; s < command.seqs.length; s++)
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192 command.seqs[s].deleteChars(command.position, command.position+command.number);
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195 if (command.fullAlignmentHeight)
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197 adjustAnnotations(command, false);
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201 void cut(Edit command)
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203 command.string = new char [command.seqs.length][];
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205 for(int i=0; i<command.seqs.length; i++)
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207 if(command.seqs[i].getLength()>command.position)
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209 command.string[i] = command.seqs[i].getSequence(command.position,
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210 command.position + command.number);
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212 command.seqs[i].deleteChars(command.position,
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213 command.position + command.number);
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216 if(command.seqs[i].getLength()<1)
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218 command.al.deleteSequence(command.seqs[i]);
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222 if (command.fullAlignmentHeight)
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224 adjustAnnotations(command, false);
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229 void paste(Edit command)
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232 for(int i=0; i<command.seqs.length; i++)
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234 if(command.seqs[i].getLength()<1)
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236 // ie this sequence was deleted, we need to
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237 // read it to the alignment
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238 if (command.alIndex[i] < command.al.getHeight())
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239 command.al.getSequences().insertElementAt(command.seqs[i],
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240 command.alIndex[i]);
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242 command.al.addSequence(command.seqs[i]);
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244 tmp = new StringBuffer();
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245 tmp.append(command.seqs[i].getSequence());
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247 if(command.string!=null && command.string[i]!=null)
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249 if(command.position>=tmp.length())
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251 //This occurs if padding is on, and residues
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252 //are removed from end of alignment
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253 int length = command.position-tmp.length();
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256 tmp.append(command.gapChar);
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260 tmp.insert(command.position, command.string[i]);
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261 command.string[i] = null;
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263 command.seqs[i].setSequence(tmp.toString());
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266 if (command.fullAlignmentHeight)
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268 adjustAnnotations(command, true);
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271 command.string = null;
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275 void adjustAnnotations(Edit command, boolean insert)
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277 AlignmentAnnotation [] annotations = command.al.getAlignmentAnnotation();
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278 if(annotations!=null)
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281 command.deletedAnnotations = new Hashtable();
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284 Annotation [] temp;
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285 for (int a = 0; a < annotations.length; a++)
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287 if(annotations[a].autoCalculated)
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292 aSize = annotations[a].annotations.length;
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294 tSize = aSize + command.number;
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296 tSize = aSize - command.number;
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298 temp = new Annotation[tSize];
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302 System.arraycopy(annotations[a].annotations,
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303 0, temp, 0, command.position);
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305 if(command.deletedAnnotations!=null
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306 && command.deletedAnnotations.containsKey(annotations[a].annotationId))
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308 Annotation [] restore = (Annotation [])
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309 command.deletedAnnotations.get(annotations[a].annotationId);
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311 System.arraycopy(restore,
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319 System.arraycopy(annotations[a].annotations,
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320 command.position, temp,
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321 command.position+command.number,
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322 aSize - command.position);
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326 if(command.position < annotations[a].annotations.length)
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328 System.arraycopy(annotations[a].annotations,
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329 0, temp, 0, command.position);
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331 Annotation[] deleted = new Annotation[command.number];
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332 System.arraycopy(annotations[a].annotations,
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333 command.position, deleted, 0, command.number);
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335 command.deletedAnnotations.put(annotations[a].annotationId,
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338 System.arraycopy(annotations[a].annotations,
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339 command.position + command.number,
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340 temp, command.position,
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341 aSize - command.position - command.number);
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344 temp = annotations[a].annotations;
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347 annotations[a].annotations = temp;
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355 boolean fullAlignmentHeight = false;
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356 Hashtable deletedAnnotations;
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362 int position, number;
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371 this.command = command;
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373 this.position = position;
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374 this.number = number;
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375 this.gapChar = gapChar;
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385 this.gapChar = al.getGapCharacter();
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386 this.command = command;
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388 this.position = position;
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389 this.number = number;
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392 alIndex = new int[seqs.length];
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393 for(int i=0; i<seqs.length; i++)
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394 alIndex[i] = al.findIndex(seqs[i]);
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396 fullAlignmentHeight = (al.getHeight()==seqs.length);
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