source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/relation/MemberTableModel.java@ 9195

Last change on this file since 9195 was 9195, checked in by Don-vip, 8 years ago

fix #12245 - fix EDT violation properly without hanging the UI (regression from r9020)
  • Property svn:eol-style set to native
File size: 26.3 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.presets.TaggingPreset;
42import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetHandler;
43import org.openstreetmap.josm.gui.tagging.presets.TaggingPresetType;
44import org.openstreetmap.josm.gui.util.GuiHelper;
45import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel;
46
47public class MemberTableModel extends AbstractTableModel
48implements TableModelListener, SelectionChangedListener, DataSetListener, OsmPrimitivesTableModel {
49
50 /**
51 * data of the table model: The list of members and the cached WayConnectionType of each member.
52 **/
53 private final transient List<RelationMember> members;
54 private transient List<WayConnectionType> connectionType;
55
56 private DefaultListSelectionModel listSelectionModel;
57 private final CopyOnWriteArrayList<IMemberModelListener> listeners;
58 private final transient OsmDataLayer layer;
59 private final transient TaggingPresetHandler presetHandler;
60
61 private final transient WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
62 private final transient RelationSorter relationSorter = new RelationSorter();
63
64 /**
65 * constructor
66 */
67 public MemberTableModel(OsmDataLayer layer, TaggingPresetHandler presetHandler) {
68 members = new ArrayList<>();
69 listeners = new CopyOnWriteArrayList<>();
70 this.layer = layer;
71 this.presetHandler = presetHandler;
72 addTableModelListener(this);
73 }
74
75 public OsmDataLayer getLayer() {
76 return layer;
77 }
78
79 public void register() {
80 DataSet.addSelectionListener(this);
81 getLayer().data.addDataSetListener(this);
82 }
83
84 public void unregister() {
85 DataSet.removeSelectionListener(this);
86 getLayer().data.removeDataSetListener(this);
87 }
88
89 /* --------------------------------------------------------------------------- */
90 /* Interface SelectionChangedListener */
91 /* --------------------------------------------------------------------------- */
92 @Override
93 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
94 if (Main.main.getEditLayer() != this.layer) return;
95 // just trigger a repaint
96 Collection<RelationMember> sel = getSelectedMembers();
97 fireTableDataChanged();
98 setSelectedMembers(sel);
99 }
100
101 /* --------------------------------------------------------------------------- */
102 /* Interface DataSetListener */
103 /* --------------------------------------------------------------------------- */
104 @Override
105 public void dataChanged(DataChangedEvent event) {
106 // just trigger a repaint - the display name of the relation members may have changed
107 Collection<RelationMember> sel = getSelectedMembers();
108 GuiHelper.runInEDT(new Runnable() {
109 public void run() {
110 fireTableDataChanged();
111 }
112 });
113 setSelectedMembers(sel);
114 }
115
116 @Override
117 public void nodeMoved(NodeMovedEvent event) {
118 // ignore
119 }
120
121 @Override
122 public void primitivesAdded(PrimitivesAddedEvent event) {
123 // ignore
124 }
125
126 @Override
127 public void primitivesRemoved(PrimitivesRemovedEvent event) {
128 // ignore - the relation in the editor might become out of sync with the relation
129 // in the dataset. We will deal with it when the relation editor is closed or
130 // when the changes in the editor are applied.
131 }
132
133 @Override
134 public void relationMembersChanged(RelationMembersChangedEvent event) {
135 // ignore - the relation in the editor might become out of sync with the relation
136 // in the dataset. We will deal with it when the relation editor is closed or
137 // when the changes in the editor are applied.
138 }
139
140 @Override
141 public void tagsChanged(TagsChangedEvent event) {
142 // just refresh the respective table cells
143 //
144 Collection<RelationMember> sel = getSelectedMembers();
145 for (int i = 0; i < members.size(); i++) {
146 if (members.get(i).getMember() == event.getPrimitive()) {
147 fireTableCellUpdated(i, 1 /* the column with the primitive name */);
148 }
149 }
150 setSelectedMembers(sel);
151 }
152
153 @Override
154 public void wayNodesChanged(WayNodesChangedEvent event) {
155 // ignore
156 }
157
158 @Override
159 public void otherDatasetChange(AbstractDatasetChangedEvent event) {
160 // ignore
161 }
162
163 /* --------------------------------------------------------------------------- */
164
165 public void addMemberModelListener(IMemberModelListener listener) {
166 if (listener != null) {
167 listeners.addIfAbsent(listener);
168 }
169 }
170
171 public void removeMemberModelListener(IMemberModelListener listener) {
172 listeners.remove(listener);
173 }
174
175 protected void fireMakeMemberVisible(int index) {
176 for (IMemberModelListener listener : listeners) {
177 listener.makeMemberVisible(index);
178 }
179 }
180
181 public void populate(Relation relation) {
182 members.clear();
183 if (relation != null) {
184 // make sure we work with clones of the relation members in the model.
185 members.addAll(new Relation(relation).getMembers());
186 }
187 fireTableDataChanged();
188 }
189
190 @Override
191 public int getColumnCount() {
192 return 3;
193 }
194
195 @Override
196 public int getRowCount() {
197 return members.size();
198 }
199
200 @Override
201 public Object getValueAt(int rowIndex, int columnIndex) {
202 switch (columnIndex) {
203 case 0:
204 return members.get(rowIndex).getRole();
205 case 1:
206 return members.get(rowIndex).getMember();
207 case 2:
208 return getWayConnection(rowIndex);
209 }
210 // should not happen
211 return null;
212 }
213
214 @Override
215 public boolean isCellEditable(int rowIndex, int columnIndex) {
216 return columnIndex == 0;
217 }
218
219 @Override
220 public void setValueAt(Object value, int rowIndex, int columnIndex) {
221 // fix #10524 - IndexOutOfBoundsException: Index: 2, Size: 2
222 if (rowIndex >= members.size()) {
223 return;
224 }
225 RelationMember member = members.get(rowIndex);
226 RelationMember newMember = new RelationMember(value.toString(), member.getMember());
227 members.remove(rowIndex);
228 members.add(rowIndex, newMember);
229 }
230
231 @Override
232 public OsmPrimitive getReferredPrimitive(int idx) {
233 return members.get(idx).getMember();
234 }
235
236 public void moveUp(int[] selectedRows) {
237 if (!canMoveUp(selectedRows))
238 return;
239
240 for (int row : selectedRows) {
241 RelationMember member1 = members.get(row);
242 RelationMember member2 = members.get(row - 1);
243 members.set(row, member2);
244 members.set(row - 1, member1);
245 }
246 fireTableDataChanged();
247 getSelectionModel().setValueIsAdjusting(true);
248 getSelectionModel().clearSelection();
249 for (int row : selectedRows) {
250 row--;
251 getSelectionModel().addSelectionInterval(row, row);
252 }
253 getSelectionModel().setValueIsAdjusting(false);
254 fireMakeMemberVisible(selectedRows[0] - 1);
255 }
256
257 public void moveDown(int[] selectedRows) {
258 if (!canMoveDown(selectedRows))
259 return;
260
261 for (int i = selectedRows.length - 1; i >= 0; i--) {
262 int row = selectedRows[i];
263 RelationMember member1 = members.get(row);
264 RelationMember member2 = members.get(row + 1);
265 members.set(row, member2);
266 members.set(row + 1, member1);
267 }
268 fireTableDataChanged();
269 getSelectionModel();
270 getSelectionModel().setValueIsAdjusting(true);
271 getSelectionModel().clearSelection();
272 for (int row : selectedRows) {
273 row++;
274 getSelectionModel().addSelectionInterval(row, row);
275 }
276 getSelectionModel().setValueIsAdjusting(false);
277 fireMakeMemberVisible(selectedRows[0] + 1);
278 }
279
280 public void remove(int[] selectedRows) {
281 if (!canRemove(selectedRows))
282 return;
283 int offset = 0;
284 for (int row : selectedRows) {
285 row -= offset;
286 if (members.size() > row) {
287 members.remove(row);
288 offset++;
289 }
290 }
291 fireTableDataChanged();
292 }
293
294 public boolean canMoveUp(int[] rows) {
295 if (rows == null || rows.length == 0)
296 return false;
297 Arrays.sort(rows);
298 return rows[0] > 0 && !members.isEmpty();
299 }
300
301 public boolean canMoveDown(int[] rows) {
302 if (rows == null || rows.length == 0)
303 return false;
304 Arrays.sort(rows);
305 return !members.isEmpty() && rows[rows.length - 1] < members.size() - 1;
306 }
307
308 public boolean canRemove(int[] rows) {
309 if (rows == null || rows.length == 0)
310 return false;
311 return true;
312 }
313
314 public DefaultListSelectionModel getSelectionModel() {
315 if (listSelectionModel == null) {
316 listSelectionModel = new DefaultListSelectionModel();
317 listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
318 }
319 return listSelectionModel;
320 }
321
322 public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
323 if (primitives == null)
324 return;
325 Iterator<RelationMember> it = members.iterator();
326 while (it.hasNext()) {
327 RelationMember member = it.next();
328 if (primitives.contains(member.getMember())) {
329 it.remove();
330 }
331 }
332 fireTableDataChanged();
333 }
334
335 public void applyToRelation(Relation relation) {
336 relation.setMembers(members);
337 }
338
339 public boolean hasSameMembersAs(Relation relation) {
340 if (relation == null)
341 return false;
342 if (relation.getMembersCount() != members.size())
343 return false;
344 for (int i = 0; i < relation.getMembersCount(); i++) {
345 if (!relation.getMember(i).equals(members.get(i)))
346 return false;
347 }
348 return true;
349 }
350
351 /**
352 * Replies the set of incomplete primitives
353 *
354 * @return the set of incomplete primitives
355 */
356 public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
357 Set<OsmPrimitive> ret = new HashSet<>();
358 for (RelationMember member : members) {
359 if (member.getMember().isIncomplete()) {
360 ret.add(member.getMember());
361 }
362 }
363 return ret;
364 }
365
366 /**
367 * Replies the set of selected incomplete primitives
368 *
369 * @return the set of selected incomplete primitives
370 */
371 public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
372 Set<OsmPrimitive> ret = new HashSet<>();
373 for (RelationMember member : getSelectedMembers()) {
374 if (member.getMember().isIncomplete()) {
375 ret.add(member.getMember());
376 }
377 }
378 return ret;
379 }
380
381 /**
382 * Replies true if at least one the relation members is incomplete
383 *
384 * @return true if at least one the relation members is incomplete
385 */
386 public boolean hasIncompleteMembers() {
387 for (RelationMember member : members) {
388 if (member.getMember().isIncomplete())
389 return true;
390 }
391 return false;
392 }
393
394 /**
395 * Replies true if at least one of the selected members is incomplete
396 *
397 * @return true if at least one of the selected members is incomplete
398 */
399 public boolean hasIncompleteSelectedMembers() {
400 for (RelationMember member : getSelectedMembers()) {
401 if (member.getMember().isIncomplete())
402 return true;
403 }
404 return false;
405 }
406
407 protected List<Integer> getSelectedIndices() {
408 List<Integer> selectedIndices = new ArrayList<>();
409 for (int i = 0; i < members.size(); i++) {
410 if (getSelectionModel().isSelectedIndex(i)) {
411 selectedIndices.add(i);
412 }
413 }
414 return selectedIndices;
415 }
416
417 private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
418 final Collection<TaggingPreset> presets = TaggingPreset.getMatchingPresets(EnumSet.of(TaggingPresetType.RELATION),
419 presetHandler.getSelection().iterator().next().getKeys(), false);
420 if (primitives == null)
421 return;
422 int idx = index;
423 for (OsmPrimitive primitive : primitives) {
424 Set<String> potentialRoles = new TreeSet<>();
425 for (TaggingPreset tp : presets) {
426 String suggestedRole = tp.suggestRoleForOsmPrimitive(primitive);
427 if (suggestedRole != null) {
428 potentialRoles.add(suggestedRole);
429 }
430 }
431 // TODO: propose user to choose role among potential ones instead of picking first one
432 final String role = potentialRoles.isEmpty() ? null : potentialRoles.iterator().next();
433 RelationMember member = new RelationMember(role == null ? "" : role, primitive);
434 members.add(idx++, member);
435 }
436 fireTableDataChanged();
437 getSelectionModel().clearSelection();
438 getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
439 fireMakeMemberVisible(index);
440 }
441
442 public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
443 addMembersAtIndex(primitives, 0);
444 }
445
446 public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
447 addMembersAtIndex(primitives, members.size());
448 }
449
450 public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
451 addMembersAtIndex(primitives, idx);
452 }
453
454 public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
455 addMembersAtIndex(primitives, idx + 1);
456 }
457
458 /**
459 * Replies the number of members which refer to a particular primitive
460 *
461 * @param primitive the primitive
462 * @return the number of members which refer to a particular primitive
463 */
464 public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
465 int count = 0;
466 for (RelationMember member : members) {
467 if (member.getMember().equals(primitive)) {
468 count++;
469 }
470 }
471 return count;
472 }
473
474 /**
475 * updates the role of the members given by the indices in <code>idx</code>
476 *
477 * @param idx the array of indices
478 * @param role the new role
479 */
480 public void updateRole(int[] idx, String role) {
481 if (idx == null || idx.length == 0)
482 return;
483 for (int row : idx) {
484 // fix #7885 - IndexOutOfBoundsException: Index: 39, Size: 39
485 if (row >= members.size()) {
486 continue;
487 }
488 RelationMember oldMember = members.get(row);
489 RelationMember newMember = new RelationMember(role, oldMember.getMember());
490 members.remove(row);
491 members.add(row, newMember);
492 }
493 fireTableDataChanged();
494 for (int row : idx) {
495 getSelectionModel().addSelectionInterval(row, row);
496 }
497 }
498
499 /**
500 * Get the currently selected relation members
501 *
502 * @return a collection with the currently selected relation members
503 */
504 public Collection<RelationMember> getSelectedMembers() {
505 List<RelationMember> selectedMembers = new ArrayList<>();
506 for (int i : getSelectedIndices()) {
507 selectedMembers.add(members.get(i));
508 }
509 return selectedMembers;
510 }
511
512 /**
513 * Replies the set of selected referers. Never null, but may be empty.
514 *
515 * @return the set of selected referers
516 */
517 public Collection<OsmPrimitive> getSelectedChildPrimitives() {
518 Collection<OsmPrimitive> ret = new ArrayList<>();
519 for (RelationMember m: getSelectedMembers()) {
520 ret.add(m.getMember());
521 }
522 return ret;
523 }
524
525 /**
526 * Replies the set of selected referers. Never null, but may be empty.
527 *
528 * @return the set of selected referers
529 */
530 public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
531 Set<OsmPrimitive> ret = new HashSet<>();
532 if (referenceSet == null) return null;
533 for (RelationMember m: members) {
534 if (referenceSet.contains(m.getMember())) {
535 ret.add(m.getMember());
536 }
537 }
538 return ret;
539 }
540
541 /**
542 * Selects the members in the collection selectedMembers
543 *
544 * @param selectedMembers the collection of selected members
545 */
546 public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
547 if (selectedMembers == null || selectedMembers.isEmpty()) {
548 getSelectionModel().clearSelection();
549 return;
550 }
551
552 // lookup the indices for the respective members
553 //
554 Set<Integer> selectedIndices = new HashSet<>();
555 for (RelationMember member : selectedMembers) {
556 for (int idx = 0; idx < members.size(); ++idx) {
557 if (member.equals(members.get(idx))) {
558 selectedIndices.add(idx);
559 }
560 }
561 }
562 setSelectedMembersIdx(selectedIndices);
563 }
564
565 /**
566 * Selects the members in the collection selectedIndices
567 *
568 * @param selectedIndices the collection of selected member indices
569 */
570 public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
571 if (selectedIndices == null || selectedIndices.isEmpty()) {
572 getSelectionModel().clearSelection();
573 return;
574 }
575 // select the members
576 //
577 getSelectionModel().setValueIsAdjusting(true);
578 getSelectionModel().clearSelection();
579 for (int row : selectedIndices) {
580 getSelectionModel().addSelectionInterval(row, row);
581 }
582 getSelectionModel().setValueIsAdjusting(false);
583 // make the first selected member visible
584 //
585 if (!selectedIndices.isEmpty()) {
586 fireMakeMemberVisible(Collections.min(selectedIndices));
587 }
588 }
589
590 /**
591 * Replies true if the index-th relation members referrs
592 * to an editable relation, i.e. a relation which is not
593 * incomplete.
594 *
595 * @param index the index
596 * @return true, if the index-th relation members referrs
597 * to an editable relation, i.e. a relation which is not
598 * incomplete
599 */
600 public boolean isEditableRelation(int index) {
601 if (index < 0 || index >= members.size())
602 return false;
603 RelationMember member = members.get(index);
604 if (!member.isRelation())
605 return false;
606 Relation r = member.getRelation();
607 return !r.isIncomplete();
608 }
609
610 /**
611 * Replies true if there is at least one relation member given as {@code members}
612 * which refers to at least on the primitives in {@code primitives}.
613 *
614 * @param members the members
615 * @param primitives the collection of primitives
616 * @return true if there is at least one relation member in this model
617 * which refers to at least on the primitives in <code>primitives</code>; false
618 * otherwise
619 */
620 public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
621 if (primitives == null || primitives.isEmpty())
622 return false;
623 Set<OsmPrimitive> referrers = new HashSet<>();
624 for (RelationMember member : members) {
625 referrers.add(member.getMember());
626 }
627 for (OsmPrimitive referred : primitives) {
628 if (referrers.contains(referred))
629 return true;
630 }
631 return false;
632 }
633
634 /**
635 * Replies true if there is at least one relation member in this model
636 * which refers to at least on the primitives in <code>primitives</code>.
637 *
638 * @param primitives the collection of primitives
639 * @return true if there is at least one relation member in this model
640 * which refers to at least on the primitives in <code>primitives</code>; false
641 * otherwise
642 */
643 public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
644 return hasMembersReferringTo(members, primitives);
645 }
646
647 /**
648 * Selects all mebers which refer to {@link OsmPrimitive}s in the collections
649 * <code>primitmives</code>. Does nothing is primitives is null.
650 *
651 * @param primitives the collection of primitives
652 */
653 public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
654 if (primitives == null) return;
655 getSelectionModel().setValueIsAdjusting(true);
656 getSelectionModel().clearSelection();
657 for (int i = 0; i < members.size(); i++) {
658 RelationMember m = members.get(i);
659 if (primitives.contains(m.getMember())) {
660 this.getSelectionModel().addSelectionInterval(i, i);
661 }
662 }
663 getSelectionModel().setValueIsAdjusting(false);
664 if (!getSelectedIndices().isEmpty()) {
665 fireMakeMemberVisible(getSelectedIndices().get(0));
666 }
667 }
668
669 /**
670 * Replies true if <code>primitive</code> is currently selected in the layer this
671 * model is attached to
672 *
673 * @param primitive the primitive
674 * @return true if <code>primitive</code> is currently selected in the layer this
675 * model is attached to, false otherwise
676 */
677 public boolean isInJosmSelection(OsmPrimitive primitive) {
678 return layer.data.isSelected(primitive);
679 }
680
681 /**
682 * Sort the selected relation members by the way they are linked.
683 */
684 void sort() {
685 List<RelationMember> selectedMembers = new ArrayList<>(getSelectedMembers());
686 List<RelationMember> sortedMembers = null;
687 List<RelationMember> newMembers;
688 if (selectedMembers.size() <= 1) {
689 newMembers = relationSorter.sortMembers(members);
690 sortedMembers = newMembers;
691 } else {
692 sortedMembers = relationSorter.sortMembers(selectedMembers);
693 List<Integer> selectedIndices = getSelectedIndices();
694 newMembers = new ArrayList<>();
695 boolean inserted = false;
696 for (int i = 0; i < members.size(); i++) {
697 if (selectedIndices.contains(i)) {
698 if (!inserted) {
699 newMembers.addAll(sortedMembers);
700 inserted = true;
701 }
702 } else {
703 newMembers.add(members.get(i));
704 }
705 }
706 }
707
708 if (members.size() != newMembers.size()) throw new AssertionError();
709
710 members.clear();
711 members.addAll(newMembers);
712 fireTableDataChanged();
713 setSelectedMembers(sortedMembers);
714 }
715
716 /**
717 * Sort the selected relation members and all members below by the way they are linked.
718 */
719 void sortBelow() {
720 final List<RelationMember> subList = members.subList(getSelectionModel().getMinSelectionIndex(), members.size());
721 final List<RelationMember> sorted = relationSorter.sortMembers(subList);
722 subList.clear();
723 subList.addAll(sorted);
724 fireTableDataChanged();
725 setSelectedMembers(sorted);
726 }
727
728 WayConnectionType getWayConnection(int i) {
729 if (connectionType == null) {
730 connectionType = wayConnectionTypeCalculator.updateLinks(members);
731 }
732 return connectionType.get(i);
733 }
734
735 @Override
736 public void tableChanged(TableModelEvent e) {
737 connectionType = null;
738 }
739
740 /**
741 * Reverse the relation members.
742 */
743 void reverse() {
744 List<Integer> selectedIndices = getSelectedIndices();
745 List<Integer> selectedIndicesReversed = getSelectedIndices();
746
747 if (selectedIndices.size() <= 1) {
748 Collections.reverse(members);
749 fireTableDataChanged();
750 setSelectedMembers(members);
751 } else {
752 Collections.reverse(selectedIndicesReversed);
753
754 List<RelationMember> newMembers = new ArrayList<>(members);
755
756 for (int i = 0; i < selectedIndices.size(); i++) {
757 newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
758 }
759
760 if (members.size() != newMembers.size()) throw new AssertionError();
761 members.clear();
762 members.addAll(newMembers);
763 fireTableDataChanged();
764 setSelectedMembersIdx(selectedIndices);
765 }
766 }
767}
Note: See TracBrowser for help on using the repository browser.