source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/relation/MemberTableModel.java@ 7552

Last change on this file since 7552 was 7552, checked in by Don-vip, 10 years ago

fix #7885 - IndexOutOfBoundsException in relation dialog
  • Property svn:eol-style set to native
File size: 25.9 KB
Line 
1// License: GPL. For details, see LICENSE file.
2package org.openstreetmap.josm.gui.dialogs.relation;
3
4import java.util.ArrayList;
5import java.util.Arrays;
6import java.util.Collection;
7import java.util.Collections;
8import java.util.EnumSet;
9import java.util.HashSet;
10import java.util.Iterator;
11import java.util.List;
12import java.util.Set;
13import java.util.TreeSet;
14import java.util.concurrent.CopyOnWriteArrayList;
15
16import javax.swing.DefaultListSelectionModel;
17import javax.swing.ListSelectionModel;
18import javax.swing.event.TableModelEvent;
19import javax.swing.event.TableModelListener;
20import javax.swing.table.AbstractTableModel;
21
22import org.openstreetmap.josm.Main;
23import org.openstreetmap.josm.data.SelectionChangedListener;
24import org.openstreetmap.josm.data.osm.DataSet;
25import org.openstreetmap.josm.data.osm.OsmPrimitive;
26import org.openstreetmap.josm.data.osm.Relation;
27import org.openstreetmap.josm.data.osm.RelationMember;
28import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
29import org.openstreetmap.josm.data.osm.event.DataChangedEvent;
30import org.openstreetmap.josm.data.osm.event.DataSetListener;
31import org.openstreetmap.josm.data.osm.event.NodeMovedEvent;
32import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent;
33import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent;
34import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent;
35import org.openstreetmap.josm.data.osm.event.TagsChangedEvent;
36import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent;
37import org.openstreetmap.josm.gui.dialogs.relation.sort.RelationSorter;
38import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionType;
39import org.openstreetmap.josm.gui.dialogs.relation.sort.WayConnectionTypeCalculator;
40import org.openstreetmap.josm.gui.layer.OsmDataLayer;
41import org.openstreetmap.josm.gui.tagging.PresetHandler;
42import org.openstreetmap.josm.gui.tagging.TaggingPreset;
43import org.openstreetmap.josm.gui.tagging.TaggingPresetType;
44import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel;
45
46public class MemberTableModel extends AbstractTableModel implements TableModelListener, SelectionChangedListener, DataSetListener, OsmPrimitivesTableModel {
47
48 /**
49 * data of the table model: The list of members and the cached WayConnectionType of each member.
50 **/
51 private List<RelationMember> members;
52 private List<WayConnectionType> connectionType = null;
53
54 private DefaultListSelectionModel listSelectionModel;
55 private final CopyOnWriteArrayList<IMemberModelListener> listeners;
56 private final OsmDataLayer layer;
57 private final PresetHandler presetHandler;
58
59 private final WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
60 private final RelationSorter relationSorter = new RelationSorter();
61
62 /**
63 * constructor
64 */
65 public MemberTableModel(OsmDataLayer layer, PresetHandler presetHandler) {
66 members = new ArrayList<>();
67 listeners = new CopyOnWriteArrayList<>();
68 this.layer = layer;
69 this.presetHandler = presetHandler;
70 addTableModelListener(this);
71 }
72
73 public OsmDataLayer getLayer() {
74 return layer;
75 }
76
77 public void register() {
78 DataSet.addSelectionListener(this);
79 getLayer().data.addDataSetListener(this);
80 }
81
82 public void unregister() {
83 DataSet.removeSelectionListener(this);
84 getLayer().data.removeDataSetListener(this);
85 }
86
87 /* --------------------------------------------------------------------------- */
88 /* Interface SelectionChangedListener */
89 /* --------------------------------------------------------------------------- */
90 @Override
91 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
92 if (Main.main.getEditLayer() != this.layer) return;
93 // just trigger a repaint
94 Collection<RelationMember> sel = getSelectedMembers();
95 fireTableDataChanged();
96 setSelectedMembers(sel);
97 }
98
99 /* --------------------------------------------------------------------------- */
100 /* Interface DataSetListener */
101 /* --------------------------------------------------------------------------- */
102 @Override
103 public void dataChanged(DataChangedEvent event) {
104 // just trigger a repaint - the display name of the relation members may
105 // have changed
106 Collection<RelationMember> sel = getSelectedMembers();
107 fireTableDataChanged();
108 setSelectedMembers(sel);
109 }
110
111 @Override
112 public void nodeMoved(NodeMovedEvent event) {/* ignore */}
113 @Override
114 public void primitivesAdded(PrimitivesAddedEvent event) {/* ignore */}
115
116 @Override
117 public void primitivesRemoved(PrimitivesRemovedEvent event) {
118 // ignore - the relation in the editor might become out of sync with the relation
119 // in the dataset. We will deal with it when the relation editor is closed or
120 // when the changes in the editor are applied.
121 }
122
123 @Override
124 public void relationMembersChanged(RelationMembersChangedEvent event) {
125 // ignore - the relation in the editor might become out of sync with the relation
126 // in the dataset. We will deal with it when the relation editor is closed or
127 // when the changes in the editor are applied.
128 }
129
130 @Override
131 public void tagsChanged(TagsChangedEvent event) {
132 // just refresh the respective table cells
133 //
134 Collection<RelationMember> sel = getSelectedMembers();
135 for (int i=0; i < members.size();i++) {
136 if (members.get(i).getMember() == event.getPrimitive()) {
137 fireTableCellUpdated(i, 1 /* the column with the primitive name */);
138 }
139 }
140 setSelectedMembers(sel);
141 }
142
143 @Override
144 public void wayNodesChanged(WayNodesChangedEvent event) {/* ignore */}
145
146 @Override
147 public void otherDatasetChange(AbstractDatasetChangedEvent event) {/* ignore */}
148 /* --------------------------------------------------------------------------- */
149
150 public void addMemberModelListener(IMemberModelListener listener) {
151 if (listener != null) {
152 listeners.addIfAbsent(listener);
153 }
154 }
155
156 public void removeMemberModelListener(IMemberModelListener listener) {
157 listeners.remove(listener);
158 }
159
160 protected void fireMakeMemberVisible(int index) {
161 for (IMemberModelListener listener : listeners) {
162 listener.makeMemberVisible(index);
163 }
164 }
165
166 public void populate(Relation relation) {
167 members.clear();
168 if (relation != null) {
169 // make sure we work with clones of the relation members
170 // in the model.
171 members.addAll(new Relation(relation).getMembers());
172 }
173 fireTableDataChanged();
174 }
175
176 @Override
177 public int getColumnCount() {
178 return 3;
179 }
180
181 @Override
182 public int getRowCount() {
183 return members.size();
184 }
185
186 @Override
187 public Object getValueAt(int rowIndex, int columnIndex) {
188 switch (columnIndex) {
189 case 0:
190 return members.get(rowIndex).getRole();
191 case 1:
192 return members.get(rowIndex).getMember();
193 case 2:
194 return getWayConnection(rowIndex);
195 }
196 // should not happen
197 return null;
198 }
199
200 @Override
201 public boolean isCellEditable(int rowIndex, int columnIndex) {
202 return columnIndex == 0;
203 }
204
205 @Override
206 public void setValueAt(Object value, int rowIndex, int columnIndex) {
207 // fix #10524 - IndexOutOfBoundsException: Index: 2, Size: 2
208 if (rowIndex >= members.size()) {
209 return;
210 }
211 RelationMember member = members.get(rowIndex);
212 RelationMember newMember = new RelationMember(value.toString(), member.getMember());
213 members.remove(rowIndex);
214 members.add(rowIndex, newMember);
215 }
216
217 @Override
218 public OsmPrimitive getReferredPrimitive(int idx) {
219 return members.get(idx).getMember();
220 }
221
222 public void moveUp(int[] selectedRows) {
223 if (!canMoveUp(selectedRows))
224 return;
225
226 for (int row : selectedRows) {
227 RelationMember member1 = members.get(row);
228 RelationMember member2 = members.get(row - 1);
229 members.set(row, member2);
230 members.set(row - 1, member1);
231 }
232 fireTableDataChanged();
233 getSelectionModel().setValueIsAdjusting(true);
234 getSelectionModel().clearSelection();
235 for (int row : selectedRows) {
236 row--;
237 getSelectionModel().addSelectionInterval(row, row);
238 }
239 getSelectionModel().setValueIsAdjusting(false);
240 fireMakeMemberVisible(selectedRows[0] - 1);
241 }
242
243 public void moveDown(int[] selectedRows) {
244 if (!canMoveDown(selectedRows))
245 return;
246
247 for (int i = selectedRows.length - 1; i >= 0; i--) {
248 int row = selectedRows[i];
249 RelationMember member1 = members.get(row);
250 RelationMember member2 = members.get(row + 1);
251 members.set(row, member2);
252 members.set(row + 1, member1);
253 }
254 fireTableDataChanged();
255 getSelectionModel();
256 getSelectionModel().setValueIsAdjusting(true);
257 getSelectionModel().clearSelection();
258 for (int row : selectedRows) {
259 row++;
260 getSelectionModel().addSelectionInterval(row, row);
261 }
262 getSelectionModel().setValueIsAdjusting(false);
263 fireMakeMemberVisible(selectedRows[0] + 1);
264 }
265
266 public void remove(int[] selectedRows) {
267 if (!canRemove(selectedRows))
268 return;
269 int offset = 0;
270 for (int row : selectedRows) {
271 row -= offset;
272 if (members.size() > row) {
273 members.remove(row);
274 offset++;
275 }
276 }
277 fireTableDataChanged();
278 }
279
280 public boolean canMoveUp(int[] rows) {
281 if (rows == null || rows.length == 0)
282 return false;
283 Arrays.sort(rows);
284 return rows[0] > 0 && members.size() > 0;
285 }
286
287 public boolean canMoveDown(int[] rows) {
288 if (rows == null || rows.length == 0)
289 return false;
290 Arrays.sort(rows);
291 return members.size() > 0 && rows[rows.length - 1] < members.size() - 1;
292 }
293
294 public boolean canRemove(int[] rows) {
295 if (rows == null || rows.length == 0)
296 return false;
297 return true;
298 }
299
300 public DefaultListSelectionModel getSelectionModel() {
301 if (listSelectionModel == null) {
302 listSelectionModel = new DefaultListSelectionModel();
303 listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
304 }
305 return listSelectionModel;
306 }
307
308 public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
309 if (primitives == null)
310 return;
311 Iterator<RelationMember> it = members.iterator();
312 while (it.hasNext()) {
313 RelationMember member = it.next();
314 if (primitives.contains(member.getMember())) {
315 it.remove();
316 }
317 }
318 fireTableDataChanged();
319 }
320
321 public void applyToRelation(Relation relation) {
322 relation.setMembers(members);
323 }
324
325 public boolean hasSameMembersAs(Relation relation) {
326 if (relation == null)
327 return false;
328 if (relation.getMembersCount() != members.size())
329 return false;
330 for (int i = 0; i < relation.getMembersCount(); i++) {
331 if (!relation.getMember(i).equals(members.get(i)))
332 return false;
333 }
334 return true;
335 }
336
337 /**
338 * Replies the set of incomplete primitives
339 *
340 * @return the set of incomplete primitives
341 */
342 public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
343 Set<OsmPrimitive> ret = new HashSet<>();
344 for (RelationMember member : members) {
345 if (member.getMember().isIncomplete()) {
346 ret.add(member.getMember());
347 }
348 }
349 return ret;
350 }
351
352 /**
353 * Replies the set of selected incomplete primitives
354 *
355 * @return the set of selected incomplete primitives
356 */
357 public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
358 Set<OsmPrimitive> ret = new HashSet<>();
359 for (RelationMember member : getSelectedMembers()) {
360 if (member.getMember().isIncomplete()) {
361 ret.add(member.getMember());
362 }
363 }
364 return ret;
365 }
366
367 /**
368 * Replies true if at least one the relation members is incomplete
369 *
370 * @return true if at least one the relation members is incomplete
371 */
372 public boolean hasIncompleteMembers() {
373 for (RelationMember member : members) {
374 if (member.getMember().isIncomplete())
375 return true;
376 }
377 return false;
378 }
379
380 /**
381 * Replies true if at least one of the selected members is incomplete
382 *
383 * @return true if at least one of the selected members is incomplete
384 */
385 public boolean hasIncompleteSelectedMembers() {
386 for (RelationMember member : getSelectedMembers()) {
387 if (member.getMember().isIncomplete())
388 return true;
389 }
390 return false;
391 }
392
393 protected List<Integer> getSelectedIndices() {
394 List<Integer> selectedIndices = new ArrayList<>();
395 for (int i = 0; i < members.size(); i++) {
396 if (getSelectionModel().isSelectedIndex(i)) {
397 selectedIndices.add(i);
398 }
399 }
400 return selectedIndices;
401 }
402
403 private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
404 final Collection<TaggingPreset> presets = TaggingPreset.getMatchingPresets(EnumSet.of(TaggingPresetType.RELATION), presetHandler.getSelection().iterator().next().getKeys(), false);
405 if (primitives == null)
406 return;
407 int idx = index;
408 for (OsmPrimitive primitive : primitives) {
409 Set<String> potentialRoles = new TreeSet<>();
410 for (TaggingPreset tp : presets) {
411 String suggestedRole = tp.suggestRoleForOsmPrimitive(primitive);
412 if (suggestedRole != null) {
413 potentialRoles.add(suggestedRole);
414 }
415 }
416 // TODO: propose user to choose role among potential ones instead of picking first one
417 final String role = potentialRoles.isEmpty() ? null : potentialRoles.iterator().next();
418 RelationMember member = new RelationMember(role == null ? "" : role, primitive);
419 members.add(idx++, member);
420 }
421 fireTableDataChanged();
422 getSelectionModel().clearSelection();
423 getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
424 fireMakeMemberVisible(index);
425 }
426
427 public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
428 addMembersAtIndex(primitives, 0);
429 }
430
431 public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
432 addMembersAtIndex(primitives, members.size());
433 }
434
435 public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
436 addMembersAtIndex(primitives, idx);
437 }
438
439 public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
440 addMembersAtIndex(primitives, idx + 1);
441 }
442
443 /**
444 * Replies the number of members which refer to a particular primitive
445 *
446 * @param primitive the primitive
447 * @return the number of members which refer to a particular primitive
448 */
449 public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
450 int count = 0;
451 for (RelationMember member : members) {
452 if (member.getMember().equals(primitive)) {
453 count++;
454 }
455 }
456 return count;
457 }
458
459 /**
460 * updates the role of the members given by the indices in <code>idx</code>
461 *
462 * @param idx the array of indices
463 * @param role the new role
464 */
465 public void updateRole(int[] idx, String role) {
466 if (idx == null || idx.length == 0)
467 return;
468 for (int row : idx) {
469 // fix #7885 - IndexOutOfBoundsException: Index: 39, Size: 39
470 if (row >= members.size()) {
471 continue;
472 }
473 RelationMember oldMember = members.get(row);
474 RelationMember newMember = new RelationMember(role, oldMember.getMember());
475 members.remove(row);
476 members.add(row, newMember);
477 }
478 fireTableDataChanged();
479 for (int row : idx) {
480 getSelectionModel().addSelectionInterval(row, row);
481 }
482 }
483
484 /**
485 * Get the currently selected relation members
486 *
487 * @return a collection with the currently selected relation members
488 */
489 public Collection<RelationMember> getSelectedMembers() {
490 List<RelationMember> selectedMembers = new ArrayList<>();
491 for (int i : getSelectedIndices()) {
492 selectedMembers.add(members.get(i));
493 }
494 return selectedMembers;
495 }
496
497 /**
498 * Replies the set of selected referers. Never null, but may be empty.
499 *
500 * @return the set of selected referers
501 */
502 public Collection<OsmPrimitive> getSelectedChildPrimitives() {
503 Collection<OsmPrimitive> ret = new ArrayList<>();
504 for (RelationMember m: getSelectedMembers()) {
505 ret.add(m.getMember());
506 }
507 return ret;
508 }
509
510 /**
511 * Replies the set of selected referers. Never null, but may be empty.
512 *
513 * @return the set of selected referers
514 */
515 public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
516 HashSet<OsmPrimitive> ret = new HashSet<>();
517 if (referenceSet == null) return null;
518 for (RelationMember m: members) {
519 if (referenceSet.contains(m.getMember())) {
520 ret.add(m.getMember());
521 }
522 }
523 return ret;
524 }
525
526 /**
527 * Selects the members in the collection selectedMembers
528 *
529 * @param selectedMembers the collection of selected members
530 */
531 public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
532 if (selectedMembers == null || selectedMembers.isEmpty()) {
533 getSelectionModel().clearSelection();
534 return;
535 }
536
537 // lookup the indices for the respective members
538 //
539 Set<Integer> selectedIndices = new HashSet<>();
540 for (RelationMember member : selectedMembers) {
541 for (int idx = 0; idx < members.size(); ++idx) {
542 if (member.equals(members.get(idx))) {
543 selectedIndices.add(idx);
544 }
545 }
546 }
547 setSelectedMembersIdx(selectedIndices);
548 }
549
550 /**
551 * Selects the members in the collection selectedIndices
552 *
553 * @param selectedIndices the collection of selected member indices
554 */
555 public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
556 if (selectedIndices == null || selectedIndices.isEmpty()) {
557 getSelectionModel().clearSelection();
558 return;
559 }
560 // select the members
561 //
562 getSelectionModel().setValueIsAdjusting(true);
563 getSelectionModel().clearSelection();
564 for (int row : selectedIndices) {
565 getSelectionModel().addSelectionInterval(row, row);
566 }
567 getSelectionModel().setValueIsAdjusting(false);
568 // make the first selected member visible
569 //
570 if (!selectedIndices.isEmpty()) {
571 fireMakeMemberVisible(Collections.min(selectedIndices));
572 }
573 }
574
575 /**
576 * Replies true if the index-th relation members referrs
577 * to an editable relation, i.e. a relation which is not
578 * incomplete.
579 *
580 * @param index the index
581 * @return true, if the index-th relation members referrs
582 * to an editable relation, i.e. a relation which is not
583 * incomplete
584 */
585 public boolean isEditableRelation(int index) {
586 if (index < 0 || index >= members.size())
587 return false;
588 RelationMember member = members.get(index);
589 if (!member.isRelation())
590 return false;
591 Relation r = member.getRelation();
592 return !r.isIncomplete();
593 }
594
595 /**
596 * Replies true if there is at least one relation member given as {@code members}
597 * which refers to at least on the primitives in {@code primitives}.
598 *
599 * @param members the members
600 * @param primitives the collection of primitives
601 * @return true if there is at least one relation member in this model
602 * which refers to at least on the primitives in <code>primitives</code>; false
603 * otherwise
604 */
605 public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
606 if (primitives == null || primitives.isEmpty())
607 return false;
608 HashSet<OsmPrimitive> referrers = new HashSet<>();
609 for (RelationMember member : members) {
610 referrers.add(member.getMember());
611 }
612 for (OsmPrimitive referred : primitives) {
613 if (referrers.contains(referred))
614 return true;
615 }
616 return false;
617 }
618
619 /**
620 * Replies true if there is at least one relation member in this model
621 * which refers to at least on the primitives in <code>primitives</code>.
622 *
623 * @param primitives the collection of primitives
624 * @return true if there is at least one relation member in this model
625 * which refers to at least on the primitives in <code>primitives</code>; false
626 * otherwise
627 */
628 public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
629 return hasMembersReferringTo(members, primitives);
630 }
631
632 /**
633 * Selects all mebers which refer to {@link OsmPrimitive}s in the collections
634 * <code>primitmives</code>. Does nothing is primitives is null.
635 *
636 * @param primitives the collection of primitives
637 */
638 public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
639 if (primitives == null) return;
640 getSelectionModel().setValueIsAdjusting(true);
641 getSelectionModel().clearSelection();
642 for (int i=0; i< members.size();i++) {
643 RelationMember m = members.get(i);
644 if (primitives.contains(m.getMember())) {
645 this.getSelectionModel().addSelectionInterval(i,i);
646 }
647 }
648 getSelectionModel().setValueIsAdjusting(false);
649 if (!getSelectedIndices().isEmpty()) {
650 fireMakeMemberVisible(getSelectedIndices().get(0));
651 }
652 }
653
654 /**
655 * Replies true if <code>primitive</code> is currently selected in the layer this
656 * model is attached to
657 *
658 * @param primitive the primitive
659 * @return true if <code>primitive</code> is currently selected in the layer this
660 * model is attached to, false otherwise
661 */
662 public boolean isInJosmSelection(OsmPrimitive primitive) {
663 return layer.data.isSelected(primitive);
664 }
665
666 /**
667 * Replies true if the layer this model belongs to is equal to the active
668 * layer
669 *
670 * @return true if the layer this model belongs to is equal to the active
671 * layer
672 */
673 protected boolean isActiveLayer() {
674 if (!Main.isDisplayingMapView()) return false;
675 return Main.map.mapView.getActiveLayer() == layer;
676 }
677
678 /**
679 * Sort the selected relation members by the way they are linked.
680 */
681 void sort() {
682 List<RelationMember> selectedMembers = new ArrayList<>(getSelectedMembers());
683 List<RelationMember> sortedMembers = null;
684 List<RelationMember> newMembers;
685 if (selectedMembers.size() <= 1) {
686 newMembers = relationSorter.sortMembers(members);
687 sortedMembers = newMembers;
688 } else {
689 sortedMembers = relationSorter.sortMembers(selectedMembers);
690 List<Integer> selectedIndices = getSelectedIndices();
691 newMembers = new ArrayList<>();
692 boolean inserted = false;
693 for (int i=0; i < members.size(); i++) {
694 if (selectedIndices.contains(i)) {
695 if (!inserted) {
696 newMembers.addAll(sortedMembers);
697 inserted = true;
698 }
699 } else {
700 newMembers.add(members.get(i));
701 }
702 }
703 }
704
705 if (members.size() != newMembers.size()) throw new AssertionError();
706
707 members.clear();
708 members.addAll(newMembers);
709 fireTableDataChanged();
710 setSelectedMembers(sortedMembers);
711 }
712
713
714 WayConnectionType getWayConnection(int i) {
715 if (connectionType == null) {
716 connectionType = wayConnectionTypeCalculator.updateLinks(members);
717 }
718 return connectionType.get(i);
719 }
720
721 @Override
722 public void tableChanged(TableModelEvent e) {
723 connectionType = null;
724 }
725
726 /**
727 * Reverse the relation members.
728 */
729 void reverse() {
730 List<Integer> selectedIndices = getSelectedIndices();
731 List<Integer> selectedIndicesReversed = getSelectedIndices();
732
733 if (selectedIndices.size() <= 1) {
734 Collections.reverse(members);
735 fireTableDataChanged();
736 setSelectedMembers(members);
737 } else {
738 Collections.reverse(selectedIndicesReversed);
739
740 List<RelationMember> newMembers = new ArrayList<>(members);
741
742 for (int i=0; i < selectedIndices.size(); i++) {
743 newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
744 }
745
746 if (members.size() != newMembers.size()) throw new AssertionError();
747 members.clear();
748 members.addAll(newMembers);
749 fireTableDataChanged();
750 setSelectedMembersIdx(selectedIndices);
751 }
752 }
753}
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