2 * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
3 * Copyright (C) $$Year-Rel$$ 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
10 * of the License, or (at your option) any later version.
12 * Jalview is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty
14 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR
15 * PURPOSE. See the GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with Jalview. If not, see <http://www.gnu.org/licenses/>.
19 * The Jalview Authors are detailed in the 'AUTHORS' file.
21 package jalview.analysis;
23 import jalview.datamodel.AlignmentAnnotation;
24 import jalview.datamodel.AlignmentI;
25 import jalview.datamodel.SequenceI;
27 import java.util.Arrays;
28 import java.util.Comparator;
29 import java.util.HashMap;
33 * A helper class to sort all annotations associated with an alignment in
39 public class AnnotationSorter
42 * enum for annotation sort options. The text description is used in the
43 * Preferences drop-down options. The enum name is saved in the preferences
49 public enum SequenceAnnotationOrder
51 // Text descriptions surface in the Preferences Sort by... options
52 SEQUENCE_AND_LABEL("Sequence"), LABEL_AND_SEQUENCE("Label"),
56 * custom is set if user drags to reorder annotations
60 private String description;
62 private SequenceAnnotationOrder(String s)
68 public String toString()
73 public static SequenceAnnotationOrder forDescription(String d)
75 for (SequenceAnnotationOrder order : values())
77 if (order.toString().equals(d))
86 // the alignment with respect to which annotations are sorted
87 private final AlignmentI alignment;
89 // user preference for placement of non-sequence annotations
90 private boolean showAutocalcAbove;
92 // working map of sequence index in alignment
93 private final Map<SequenceI, Integer> sequenceIndices = new HashMap<>();
95 // if true, sort only repositions auto-calculated annotation (to top or
97 private final boolean autocalcOnly;
100 * Constructor given an alignment and the location (top or bottom) of
101 * Consensus and similar.
104 * @param showAutocalculatedAbove
105 * @param autoCalcOnly
107 public AnnotationSorter(AlignmentI alignmentI,
108 boolean showAutocalculatedAbove, boolean autoCalcOnly)
110 this.alignment = alignmentI;
111 this.showAutocalcAbove = showAutocalculatedAbove;
112 this.autocalcOnly = autoCalcOnly;
116 * Default comparator sorts as follows by annotation type within sequence
119 * <li>annotations with a reference to a sequence in the alignment are sorted
120 * on sequence ordering</li>
121 * <li>other annotations go 'at the end', with their mutual order
123 * <li>within the same sequence ref, sort by label (non-case-sensitive)</li>
126 private final Comparator<? super AlignmentAnnotation> bySequenceAndLabel = new Comparator<AlignmentAnnotation>()
129 public int compare(AlignmentAnnotation o1, AlignmentAnnotation o2)
131 if (o1 == null && o2 == null)
144 // TODO how to treat sequence-related autocalculated annotation
145 boolean o1auto = o1.autoCalculated && o1.sequenceRef == null;
146 boolean o2auto = o2.autoCalculated && o2.sequenceRef == null;
148 * Ignore label (keep existing ordering) for
149 * Conservation/Quality/Consensus etc
151 if (o1auto && o2auto)
157 * Sort autocalculated before or after sequence-related.
161 return showAutocalcAbove ? -1 : 1;
165 return showAutocalcAbove ? 1 : -1;
169 return 0; // don't reorder other annotations
171 int sequenceOrder = compareSequences(o1, o2);
172 return sequenceOrder == 0 ? compareLabels(o1, o2) : sequenceOrder;
176 public String toString()
178 return "Sort by sequence and label";
183 * This comparator sorts as follows by sequence order within annotation type
185 * <li>annotations with a reference to a sequence in the alignment are sorted
186 * on label (non-case-sensitive)</li>
187 * <li>other annotations go 'at the end', with their mutual order
189 * <li>within the same label, sort by order of the related sequences</li>
192 private final Comparator<? super AlignmentAnnotation> byLabelAndSequence = new Comparator<AlignmentAnnotation>()
195 public int compare(AlignmentAnnotation o1, AlignmentAnnotation o2)
197 if (o1 == null && o2 == null)
210 // TODO how to treat sequence-related autocalculated annotation
211 boolean o1auto = o1.autoCalculated && o1.sequenceRef == null;
212 boolean o2auto = o2.autoCalculated && o2.sequenceRef == null;
214 * Ignore label (keep existing ordering) for
215 * Conservation/Quality/Consensus etc
217 if (o1auto && o2auto)
223 * Sort autocalculated before or after sequence-related.
227 return showAutocalcAbove ? -1 : 1;
231 return showAutocalcAbove ? 1 : -1;
235 return 0; // don't reorder other annotations
237 int labelOrder = compareLabels(o1, o2);
238 return labelOrder == 0 ? compareSequences(o1, o2) : labelOrder;
242 public String toString()
244 return "Sort by label and sequence";
249 * noSort leaves sort order unchanged, within sequence- and autocalculated
250 * annotations, but may switch the ordering of these groups. Note this is
251 * guaranteed (at least in Java 7) as Arrays.sort() is guaranteed to be
252 * 'stable' (not change ordering of equal items).
254 private Comparator<? super AlignmentAnnotation> noSort = new Comparator<AlignmentAnnotation>()
257 public int compare(AlignmentAnnotation o1, AlignmentAnnotation o2)
259 // TODO how to treat sequence-related autocalculated annotation
260 boolean o1auto = o1.autoCalculated && o1.sequenceRef == null;
261 boolean o2auto = o2.autoCalculated && o2.sequenceRef == null;
262 // TODO skip this test to allow customised ordering of all annotations
263 // - needs a third option: place autocalculated first / last / none
264 if (o1 != null && o2 != null)
266 if (o1auto && !o2auto)
268 return showAutocalcAbove ? -1 : 1;
270 if (!o1auto && o2auto)
272 return showAutocalcAbove ? 1 : -1;
279 public String toString()
286 * Sort by the specified ordering of sequence-specific annotations.
288 * @param alignmentAnnotations
291 public void sort(AlignmentAnnotation[] alignmentAnnotations,
292 SequenceAnnotationOrder order)
294 if (alignmentAnnotations == null
295 || order == SequenceAnnotationOrder.CUSTOM)
301 * cache 'alignment sequence positions' if required for sorting
303 if (order == SequenceAnnotationOrder.SEQUENCE_AND_LABEL
304 || order == SequenceAnnotationOrder.LABEL_AND_SEQUENCE)
306 saveSequenceIndices(alignmentAnnotations);
309 Comparator<? super AlignmentAnnotation> comparator = getComparator(
312 if (alignmentAnnotations != null)
314 synchronized (alignmentAnnotations)
316 Arrays.sort(alignmentAnnotations, comparator);
322 * Calculate and save in a temporary map the position of each annotation's
323 * sequence (if it has one) in the alignment. Faster to do this once than for
324 * every annotation comparison.
326 * @param alignmentAnnotations
328 private void saveSequenceIndices(
329 AlignmentAnnotation[] alignmentAnnotations)
331 sequenceIndices.clear();
333 Map<SequenceI, Integer> seqPositions = alignment.getSequencePositions();
335 for (AlignmentAnnotation ann : alignmentAnnotations)
337 SequenceI seq = ann.sequenceRef;
340 Integer index = seqPositions.get(seq);
343 sequenceIndices.put(seq, index);
350 * Get the comparator for the specified sort order.
355 private Comparator<? super AlignmentAnnotation> getComparator(
356 SequenceAnnotationOrder order)
366 case SEQUENCE_AND_LABEL:
367 return this.bySequenceAndLabel;
368 case LABEL_AND_SEQUENCE:
369 return this.byLabelAndSequence;
371 throw new UnsupportedOperationException(order.toString());
376 * Non-case-sensitive comparison of annotation labels. Returns zero if either
383 private int compareLabels(AlignmentAnnotation o1, AlignmentAnnotation o2)
385 if (o1 == null || o2 == null)
389 String label1 = o1.label;
390 String label2 = o2.label;
391 if (label1 == null && label2 == null)
403 return label1.toUpperCase().compareTo(label2.toUpperCase());
407 * Comparison based on position of associated sequence (if any) in the
414 private int compareSequences(AlignmentAnnotation o1,
415 AlignmentAnnotation o2)
417 SequenceI seq1 = o1.sequenceRef;
418 SequenceI seq2 = o2.sequenceRef;
419 if (seq1 == null && seq2 == null)
425 * Sort non-sequence-related before or after sequence-related
429 return showAutocalcAbove ? -1 : 1;
433 return showAutocalcAbove ? 1 : -1;
437 * else sort by associated sequence position
439 Integer index1 = sequenceIndices.get(seq1);
440 Integer index2 = sequenceIndices.get(seq2);
443 return index2 == null ? 0 : -1;
449 return Integer.compare(index1.intValue(), index2.intValue());