source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/relation/MemberTableModel.java@ 8505

Last change on this file since 8505 was 8505, checked in by simon04, 9 years ago

fix #11559 - Relation editor: add button to sort the selected relation members and all members below (for experts only)
  • Property svn:eol-style set to native
File size: 26.4 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 transient List<RelationMember> members;
52 private transient List<WayConnectionType> connectionType = null;
53
54 private DefaultListSelectionModel listSelectionModel;
55 private final CopyOnWriteArrayList<IMemberModelListener> listeners;
56 private final transient OsmDataLayer layer;
57 private final transient PresetHandler presetHandler;
58
59 private final transient WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
60 private final transient 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 have changed
105 Collection<RelationMember> sel = getSelectedMembers();
106 fireTableDataChanged();
107 setSelectedMembers(sel);
108 }
109
110 @Override
111 public void nodeMoved(NodeMovedEvent event) {
112 // ignore
113 }
114 @Override
115 public void primitivesAdded(PrimitivesAddedEvent event) {
116 // ignore
117 }
118
119 @Override
120 public void primitivesRemoved(PrimitivesRemovedEvent event) {
121 // ignore - the relation in the editor might become out of sync with the relation
122 // in the dataset. We will deal with it when the relation editor is closed or
123 // when the changes in the editor are applied.
124 }
125
126 @Override
127 public void relationMembersChanged(RelationMembersChangedEvent 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 tagsChanged(TagsChangedEvent event) {
135 // just refresh the respective table cells
136 //
137 Collection<RelationMember> sel = getSelectedMembers();
138 for (int i=0; i < members.size();i++) {
139 if (members.get(i).getMember() == event.getPrimitive()) {
140 fireTableCellUpdated(i, 1 /* the column with the primitive name */);
141 }
142 }
143 setSelectedMembers(sel);
144 }
145
146 @Override
147 public void wayNodesChanged(WayNodesChangedEvent event) {
148 // ignore
149 }
150
151 @Override
152 public void otherDatasetChange(AbstractDatasetChangedEvent event) {
153 // ignore
154 }
155
156 /* --------------------------------------------------------------------------- */
157
158 public void addMemberModelListener(IMemberModelListener listener) {
159 if (listener != null) {
160 listeners.addIfAbsent(listener);
161 }
162 }
163
164 public void removeMemberModelListener(IMemberModelListener listener) {
165 listeners.remove(listener);
166 }
167
168 protected void fireMakeMemberVisible(int index) {
169 for (IMemberModelListener listener : listeners) {
170 listener.makeMemberVisible(index);
171 }
172 }
173
174 public void populate(Relation relation) {
175 members.clear();
176 if (relation != null) {
177 // make sure we work with clones of the relation members in the model.
178 members.addAll(new Relation(relation).getMembers());
179 }
180 fireTableDataChanged();
181 }
182
183 @Override
184 public int getColumnCount() {
185 return 3;
186 }
187
188 @Override
189 public int getRowCount() {
190 return members.size();
191 }
192
193 @Override
194 public Object getValueAt(int rowIndex, int columnIndex) {
195 switch (columnIndex) {
196 case 0:
197 return members.get(rowIndex).getRole();
198 case 1:
199 return members.get(rowIndex).getMember();
200 case 2:
201 return getWayConnection(rowIndex);
202 }
203 // should not happen
204 return null;
205 }
206
207 @Override
208 public boolean isCellEditable(int rowIndex, int columnIndex) {
209 return columnIndex == 0;
210 }
211
212 @Override
213 public void setValueAt(Object value, int rowIndex, int columnIndex) {
214 // fix #10524 - IndexOutOfBoundsException: Index: 2, Size: 2
215 if (rowIndex >= members.size()) {
216 return;
217 }
218 RelationMember member = members.get(rowIndex);
219 RelationMember newMember = new RelationMember(value.toString(), member.getMember());
220 members.remove(rowIndex);
221 members.add(rowIndex, newMember);
222 }
223
224 @Override
225 public OsmPrimitive getReferredPrimitive(int idx) {
226 return members.get(idx).getMember();
227 }
228
229 public void moveUp(int[] selectedRows) {
230 if (!canMoveUp(selectedRows))
231 return;
232
233 for (int row : selectedRows) {
234 RelationMember member1 = members.get(row);
235 RelationMember member2 = members.get(row - 1);
236 members.set(row, member2);
237 members.set(row - 1, member1);
238 }
239 fireTableDataChanged();
240 getSelectionModel().setValueIsAdjusting(true);
241 getSelectionModel().clearSelection();
242 for (int row : selectedRows) {
243 row--;
244 getSelectionModel().addSelectionInterval(row, row);
245 }
246 getSelectionModel().setValueIsAdjusting(false);
247 fireMakeMemberVisible(selectedRows[0] - 1);
248 }
249
250 public void moveDown(int[] selectedRows) {
251 if (!canMoveDown(selectedRows))
252 return;
253
254 for (int i = selectedRows.length - 1; i >= 0; i--) {
255 int row = selectedRows[i];
256 RelationMember member1 = members.get(row);
257 RelationMember member2 = members.get(row + 1);
258 members.set(row, member2);
259 members.set(row + 1, member1);
260 }
261 fireTableDataChanged();
262 getSelectionModel();
263 getSelectionModel().setValueIsAdjusting(true);
264 getSelectionModel().clearSelection();
265 for (int row : selectedRows) {
266 row++;
267 getSelectionModel().addSelectionInterval(row, row);
268 }
269 getSelectionModel().setValueIsAdjusting(false);
270 fireMakeMemberVisible(selectedRows[0] + 1);
271 }
272
273 public void remove(int[] selectedRows) {
274 if (!canRemove(selectedRows))
275 return;
276 int offset = 0;
277 for (int row : selectedRows) {
278 row -= offset;
279 if (members.size() > row) {
280 members.remove(row);
281 offset++;
282 }
283 }
284 fireTableDataChanged();
285 }
286
287 public boolean canMoveUp(int[] rows) {
288 if (rows == null || rows.length == 0)
289 return false;
290 Arrays.sort(rows);
291 return rows[0] > 0 && !members.isEmpty();
292 }
293
294 public boolean canMoveDown(int[] rows) {
295 if (rows == null || rows.length == 0)
296 return false;
297 Arrays.sort(rows);
298 return !members.isEmpty() && rows[rows.length - 1] < members.size() - 1;
299 }
300
301 public boolean canRemove(int[] rows) {
302 if (rows == null || rows.length == 0)
303 return false;
304 return true;
305 }
306
307 public DefaultListSelectionModel getSelectionModel() {
308 if (listSelectionModel == null) {
309 listSelectionModel = new DefaultListSelectionModel();
310 listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
311 }
312 return listSelectionModel;
313 }
314
315 public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
316 if (primitives == null)
317 return;
318 Iterator<RelationMember> it = members.iterator();
319 while (it.hasNext()) {
320 RelationMember member = it.next();
321 if (primitives.contains(member.getMember())) {
322 it.remove();
323 }
324 }
325 fireTableDataChanged();
326 }
327
328 public void applyToRelation(Relation relation) {
329 relation.setMembers(members);
330 }
331
332 public boolean hasSameMembersAs(Relation relation) {
333 if (relation == null)
334 return false;
335 if (relation.getMembersCount() != members.size())
336 return false;
337 for (int i = 0; i < relation.getMembersCount(); i++) {
338 if (!relation.getMember(i).equals(members.get(i)))
339 return false;
340 }
341 return true;
342 }
343
344 /**
345 * Replies the set of incomplete primitives
346 *
347 * @return the set of incomplete primitives
348 */
349 public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
350 Set<OsmPrimitive> ret = new HashSet<>();
351 for (RelationMember member : members) {
352 if (member.getMember().isIncomplete()) {
353 ret.add(member.getMember());
354 }
355 }
356 return ret;
357 }
358
359 /**
360 * Replies the set of selected incomplete primitives
361 *
362 * @return the set of selected incomplete primitives
363 */
364 public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
365 Set<OsmPrimitive> ret = new HashSet<>();
366 for (RelationMember member : getSelectedMembers()) {
367 if (member.getMember().isIncomplete()) {
368 ret.add(member.getMember());
369 }
370 }
371 return ret;
372 }
373
374 /**
375 * Replies true if at least one the relation members is incomplete
376 *
377 * @return true if at least one the relation members is incomplete
378 */
379 public boolean hasIncompleteMembers() {
380 for (RelationMember member : members) {
381 if (member.getMember().isIncomplete())
382 return true;
383 }
384 return false;
385 }
386
387 /**
388 * Replies true if at least one of the selected members is incomplete
389 *
390 * @return true if at least one of the selected members is incomplete
391 */
392 public boolean hasIncompleteSelectedMembers() {
393 for (RelationMember member : getSelectedMembers()) {
394 if (member.getMember().isIncomplete())
395 return true;
396 }
397 return false;
398 }
399
400 protected List<Integer> getSelectedIndices() {
401 List<Integer> selectedIndices = new ArrayList<>();
402 for (int i = 0; i < members.size(); i++) {
403 if (getSelectionModel().isSelectedIndex(i)) {
404 selectedIndices.add(i);
405 }
406 }
407 return selectedIndices;
408 }
409
410 private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
411 final Collection<TaggingPreset> presets = TaggingPreset.getMatchingPresets(EnumSet.of(TaggingPresetType.RELATION), presetHandler.getSelection().iterator().next().getKeys(), false);
412 if (primitives == null)
413 return;
414 int idx = index;
415 for (OsmPrimitive primitive : primitives) {
416 Set<String> potentialRoles = new TreeSet<>();
417 for (TaggingPreset tp : presets) {
418 String suggestedRole = tp.suggestRoleForOsmPrimitive(primitive);
419 if (suggestedRole != null) {
420 potentialRoles.add(suggestedRole);
421 }
422 }
423 // TODO: propose user to choose role among potential ones instead of picking first one
424 final String role = potentialRoles.isEmpty() ? null : potentialRoles.iterator().next();
425 RelationMember member = new RelationMember(role == null ? "" : role, primitive);
426 members.add(idx++, member);
427 }
428 fireTableDataChanged();
429 getSelectionModel().clearSelection();
430 getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
431 fireMakeMemberVisible(index);
432 }
433
434 public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
435 addMembersAtIndex(primitives, 0);
436 }
437
438 public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
439 addMembersAtIndex(primitives, members.size());
440 }
441
442 public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
443 addMembersAtIndex(primitives, idx);
444 }
445
446 public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
447 addMembersAtIndex(primitives, idx + 1);
448 }
449
450 /**
451 * Replies the number of members which refer to a particular primitive
452 *
453 * @param primitive the primitive
454 * @return the number of members which refer to a particular primitive
455 */
456 public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
457 int count = 0;
458 for (RelationMember member : members) {
459 if (member.getMember().equals(primitive)) {
460 count++;
461 }
462 }
463 return count;
464 }
465
466 /**
467 * updates the role of the members given by the indices in <code>idx</code>
468 *
469 * @param idx the array of indices
470 * @param role the new role
471 */
472 public void updateRole(int[] idx, String role) {
473 if (idx == null || idx.length == 0)
474 return;
475 for (int row : idx) {
476 // fix #7885 - IndexOutOfBoundsException: Index: 39, Size: 39
477 if (row >= members.size()) {
478 continue;
479 }
480 RelationMember oldMember = members.get(row);
481 RelationMember newMember = new RelationMember(role, oldMember.getMember());
482 members.remove(row);
483 members.add(row, newMember);
484 }
485 fireTableDataChanged();
486 for (int row : idx) {
487 getSelectionModel().addSelectionInterval(row, row);
488 }
489 }
490
491 /**
492 * Get the currently selected relation members
493 *
494 * @return a collection with the currently selected relation members
495 */
496 public Collection<RelationMember> getSelectedMembers() {
497 List<RelationMember> selectedMembers = new ArrayList<>();
498 for (int i : getSelectedIndices()) {
499 selectedMembers.add(members.get(i));
500 }
501 return selectedMembers;
502 }
503
504 /**
505 * Replies the set of selected referers. Never null, but may be empty.
506 *
507 * @return the set of selected referers
508 */
509 public Collection<OsmPrimitive> getSelectedChildPrimitives() {
510 Collection<OsmPrimitive> ret = new ArrayList<>();
511 for (RelationMember m: getSelectedMembers()) {
512 ret.add(m.getMember());
513 }
514 return ret;
515 }
516
517 /**
518 * Replies the set of selected referers. Never null, but may be empty.
519 *
520 * @return the set of selected referers
521 */
522 public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
523 Set<OsmPrimitive> ret = new HashSet<>();
524 if (referenceSet == null) return null;
525 for (RelationMember m: members) {
526 if (referenceSet.contains(m.getMember())) {
527 ret.add(m.getMember());
528 }
529 }
530 return ret;
531 }
532
533 /**
534 * Selects the members in the collection selectedMembers
535 *
536 * @param selectedMembers the collection of selected members
537 */
538 public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
539 if (selectedMembers == null || selectedMembers.isEmpty()) {
540 getSelectionModel().clearSelection();
541 return;
542 }
543
544 // lookup the indices for the respective members
545 //
546 Set<Integer> selectedIndices = new HashSet<>();
547 for (RelationMember member : selectedMembers) {
548 for (int idx = 0; idx < members.size(); ++idx) {
549 if (member.equals(members.get(idx))) {
550 selectedIndices.add(idx);
551 }
552 }
553 }
554 setSelectedMembersIdx(selectedIndices);
555 }
556
557 /**
558 * Selects the members in the collection selectedIndices
559 *
560 * @param selectedIndices the collection of selected member indices
561 */
562 public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
563 if (selectedIndices == null || selectedIndices.isEmpty()) {
564 getSelectionModel().clearSelection();
565 return;
566 }
567 // select the members
568 //
569 getSelectionModel().setValueIsAdjusting(true);
570 getSelectionModel().clearSelection();
571 for (int row : selectedIndices) {
572 getSelectionModel().addSelectionInterval(row, row);
573 }
574 getSelectionModel().setValueIsAdjusting(false);
575 // make the first selected member visible
576 //
577 if (!selectedIndices.isEmpty()) {
578 fireMakeMemberVisible(Collections.min(selectedIndices));
579 }
580 }
581
582 /**
583 * Replies true if the index-th relation members referrs
584 * to an editable relation, i.e. a relation which is not
585 * incomplete.
586 *
587 * @param index the index
588 * @return true, if the index-th relation members referrs
589 * to an editable relation, i.e. a relation which is not
590 * incomplete
591 */
592 public boolean isEditableRelation(int index) {
593 if (index < 0 || index >= members.size())
594 return false;
595 RelationMember member = members.get(index);
596 if (!member.isRelation())
597 return false;
598 Relation r = member.getRelation();
599 return !r.isIncomplete();
600 }
601
602 /**
603 * Replies true if there is at least one relation member given as {@code members}
604 * which refers to at least on the primitives in {@code primitives}.
605 *
606 * @param members the members
607 * @param primitives the collection of primitives
608 * @return true if there is at least one relation member in this model
609 * which refers to at least on the primitives in <code>primitives</code>; false
610 * otherwise
611 */
612 public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
613 if (primitives == null || primitives.isEmpty())
614 return false;
615 Set<OsmPrimitive> referrers = new HashSet<>();
616 for (RelationMember member : members) {
617 referrers.add(member.getMember());
618 }
619 for (OsmPrimitive referred : primitives) {
620 if (referrers.contains(referred))
621 return true;
622 }
623 return false;
624 }
625
626 /**
627 * Replies true if there is at least one relation member in this model
628 * which refers to at least on the primitives in <code>primitives</code>.
629 *
630 * @param primitives the collection of primitives
631 * @return true if there is at least one relation member in this model
632 * which refers to at least on the primitives in <code>primitives</code>; false
633 * otherwise
634 */
635 public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
636 return hasMembersReferringTo(members, primitives);
637 }
638
639 /**
640 * Selects all mebers which refer to {@link OsmPrimitive}s in the collections
641 * <code>primitmives</code>. Does nothing is primitives is null.
642 *
643 * @param primitives the collection of primitives
644 */
645 public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
646 if (primitives == null) return;
647 getSelectionModel().setValueIsAdjusting(true);
648 getSelectionModel().clearSelection();
649 for (int i=0; i< members.size();i++) {
650 RelationMember m = members.get(i);
651 if (primitives.contains(m.getMember())) {
652 this.getSelectionModel().addSelectionInterval(i,i);
653 }
654 }
655 getSelectionModel().setValueIsAdjusting(false);
656 if (!getSelectedIndices().isEmpty()) {
657 fireMakeMemberVisible(getSelectedIndices().get(0));
658 }
659 }
660
661 /**
662 * Replies true if <code>primitive</code> is currently selected in the layer this
663 * model is attached to
664 *
665 * @param primitive the primitive
666 * @return true if <code>primitive</code> is currently selected in the layer this
667 * model is attached to, false otherwise
668 */
669 public boolean isInJosmSelection(OsmPrimitive primitive) {
670 return layer.data.isSelected(primitive);
671 }
672
673 /**
674 * Replies true if the layer this model belongs to is equal to the active
675 * layer
676 *
677 * @return true if the layer this model belongs to is equal to the active
678 * layer
679 */
680 protected boolean isActiveLayer() {
681 if (!Main.isDisplayingMapView()) return false;
682 return Main.map.mapView.getActiveLayer() == layer;
683 }
684
685 /**
686 * Sort the selected relation members by the way they are linked.
687 */
688 void sort() {
689 List<RelationMember> selectedMembers = new ArrayList<>(getSelectedMembers());
690 List<RelationMember> sortedMembers = null;
691 List<RelationMember> newMembers;
692 if (selectedMembers.size() <= 1) {
693 newMembers = relationSorter.sortMembers(members);
694 sortedMembers = newMembers;
695 } else {
696 sortedMembers = relationSorter.sortMembers(selectedMembers);
697 List<Integer> selectedIndices = getSelectedIndices();
698 newMembers = new ArrayList<>();
699 boolean inserted = false;
700 for (int i=0; i < members.size(); i++) {
701 if (selectedIndices.contains(i)) {
702 if (!inserted) {
703 newMembers.addAll(sortedMembers);
704 inserted = true;
705 }
706 } else {
707 newMembers.add(members.get(i));
708 }
709 }
710 }
711
712 if (members.size() != newMembers.size()) throw new AssertionError();
713
714 members.clear();
715 members.addAll(newMembers);
716 fireTableDataChanged();
717 setSelectedMembers(sortedMembers);
718 }
719
720 /**
721 * Sort the selected relation members and all members below by the way they are linked.
722 */
723 void sortBelow() {
724 final List<RelationMember> subList = members.subList(getSelectionModel().getMinSelectionIndex(), members.size());
725 final List<RelationMember> sorted = relationSorter.sortMembers(subList);
726 subList.clear();
727 subList.addAll(sorted);
728 fireTableDataChanged();
729 setSelectedMembers(sorted);
730 }
731
732 WayConnectionType getWayConnection(int i) {
733 if (connectionType == null) {
734 connectionType = wayConnectionTypeCalculator.updateLinks(members);
735 }
736 return connectionType.get(i);
737 }
738
739 @Override
740 public void tableChanged(TableModelEvent e) {
741 connectionType = null;
742 }
743
744 /**
745 * Reverse the relation members.
746 */
747 void reverse() {
748 List<Integer> selectedIndices = getSelectedIndices();
749 List<Integer> selectedIndicesReversed = getSelectedIndices();
750
751 if (selectedIndices.size() <= 1) {
752 Collections.reverse(members);
753 fireTableDataChanged();
754 setSelectedMembers(members);
755 } else {
756 Collections.reverse(selectedIndicesReversed);
757
758 List<RelationMember> newMembers = new ArrayList<>(members);
759
760 for (int i=0; i < selectedIndices.size(); i++) {
761 newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
762 }
763
764 if (members.size() != newMembers.size()) throw new AssertionError();
765 members.clear();
766 members.addAll(newMembers);
767 fireTableDataChanged();
768 setSelectedMembersIdx(selectedIndices);
769 }
770 }
771}
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