source: josm/trunk/src/org/openstreetmap/josm/gui/dialogs/relation/MemberTableModel.java@ 5630

Last change on this file since 5630 was 5630, checked in by jttt, 11 years ago

Relation sorting and way connection refactored, added tests
  • Property svn:eol-style set to native
File size: 26.8 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.concurrent.CopyOnWriteArrayList;
14
15import javax.swing.DefaultListSelectionModel;
16import javax.swing.ListSelectionModel;
17import javax.swing.event.TableModelEvent;
18import javax.swing.event.TableModelListener;
19import javax.swing.table.AbstractTableModel;
20
21import org.openstreetmap.josm.Main;
22import org.openstreetmap.josm.data.SelectionChangedListener;
23import org.openstreetmap.josm.data.osm.DataSet;
24import org.openstreetmap.josm.data.osm.OsmPrimitive;
25import org.openstreetmap.josm.data.osm.Relation;
26import org.openstreetmap.josm.data.osm.RelationMember;
27import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent;
28import org.openstreetmap.josm.data.osm.event.DataChangedEvent;
29import org.openstreetmap.josm.data.osm.event.DataSetListener;
30import org.openstreetmap.josm.data.osm.event.NodeMovedEvent;
31import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent;
32import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent;
33import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent;
34import org.openstreetmap.josm.data.osm.event.TagsChangedEvent;
35import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent;
36import org.openstreetmap.josm.gui.dialogs.properties.PresetListPanel;
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.TaggingPreset;
42import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel;
43
44public class MemberTableModel extends AbstractTableModel implements TableModelListener, SelectionChangedListener, DataSetListener, OsmPrimitivesTableModel {
45
46 /**
47 * data of the table model: The list of members and the cached WayConnectionType of each member.
48 **/
49 private List<RelationMember> members;
50 private List<WayConnectionType> connectionType = null;
51
52 private DefaultListSelectionModel listSelectionModel;
53 private final CopyOnWriteArrayList<IMemberModelListener> listeners;
54 private final OsmDataLayer layer;
55 private final PresetListPanel.PresetHandler presetHandler;
56
57 private final WayConnectionTypeCalculator wayConnectionTypeCalculator = new WayConnectionTypeCalculator();
58 private final RelationSorter relationSorter = new RelationSorter();
59
60 /**
61 * constructor
62 */
63 public MemberTableModel(OsmDataLayer layer, PresetListPanel.PresetHandler presetHandler) {
64 members = new ArrayList<RelationMember>();
65 listeners = new CopyOnWriteArrayList<IMemberModelListener>();
66 this.layer = layer;
67 this.presetHandler = presetHandler;
68 addTableModelListener(this);
69 }
70
71 public OsmDataLayer getLayer() {
72 return layer;
73 }
74
75 public void register() {
76 DataSet.addSelectionListener(this);
77 getLayer().data.addDataSetListener(this);
78 }
79
80 public void unregister() {
81 DataSet.removeSelectionListener(this);
82 getLayer().data.removeDataSetListener(this);
83 }
84
85 /* --------------------------------------------------------------------------- */
86 /* Interface SelectionChangedListener */
87 /* --------------------------------------------------------------------------- */
88 public void selectionChanged(Collection<? extends OsmPrimitive> newSelection) {
89 if (Main.main.getEditLayer() != this.layer) return;
90 // just trigger a repaint
91 Collection<RelationMember> sel = getSelectedMembers();
92 fireTableDataChanged();
93 setSelectedMembers(sel);
94 }
95
96 /* --------------------------------------------------------------------------- */
97 /* Interface DataSetListener */
98 /* --------------------------------------------------------------------------- */
99 public void dataChanged(DataChangedEvent event) {
100 // just trigger a repaint - the display name of the relation members may
101 // have changed
102 Collection<RelationMember> sel = getSelectedMembers();
103 fireTableDataChanged();
104 setSelectedMembers(sel);
105 }
106
107 public void nodeMoved(NodeMovedEvent event) {/* ignore */}
108 public void primitivesAdded(PrimitivesAddedEvent event) {/* ignore */}
109
110 public void primitivesRemoved(PrimitivesRemovedEvent event) {
111 // ignore - the relation in the editor might become out of sync with the relation
112 // in the dataset. We will deal with it when the relation editor is closed or
113 // when the changes in the editor are applied.
114 }
115
116 public void relationMembersChanged(RelationMembersChangedEvent event) {
117 // ignore - the relation in the editor might become out of sync with the relation
118 // in the dataset. We will deal with it when the relation editor is closed or
119 // when the changes in the editor are applied.
120 }
121
122 public void tagsChanged(TagsChangedEvent event) {
123 // just refresh the respective table cells
124 //
125 Collection<RelationMember> sel = getSelectedMembers();
126 for (int i=0; i < members.size();i++) {
127 if (members.get(i).getMember() == event.getPrimitive()) {
128 fireTableCellUpdated(i, 1 /* the column with the primitive name */);
129 }
130 }
131 setSelectedMembers(sel);
132 }
133
134 public void wayNodesChanged(WayNodesChangedEvent event) {/* ignore */}
135
136 public void otherDatasetChange(AbstractDatasetChangedEvent event) {/* ignore */}
137 /* --------------------------------------------------------------------------- */
138
139 public void addMemberModelListener(IMemberModelListener listener) {
140 if (listener != null) {
141 listeners.addIfAbsent(listener);
142 }
143 }
144
145 public void removeMemberModelListener(IMemberModelListener listener) {
146 listeners.remove(listener);
147 }
148
149 protected void fireMakeMemberVisible(int index) {
150 for (IMemberModelListener listener : listeners) {
151 listener.makeMemberVisible(index);
152 }
153 }
154
155 public void populate(Relation relation) {
156 members.clear();
157 if (relation != null) {
158 // make sure we work with clones of the relation members
159 // in the model.
160 members.addAll(new Relation(relation).getMembers());
161 }
162 fireTableDataChanged();
163 }
164
165 public int getColumnCount() {
166 return 3;
167 }
168
169 public int getRowCount() {
170 return members.size();
171 }
172
173 public Object getValueAt(int rowIndex, int columnIndex) {
174 switch (columnIndex) {
175 case 0:
176 return members.get(rowIndex).getRole();
177 case 1:
178 return members.get(rowIndex).getMember();
179 case 2:
180 return getWayConnection(rowIndex);
181 }
182 // should not happen
183 return null;
184 }
185
186 @Override
187 public boolean isCellEditable(int rowIndex, int columnIndex) {
188 return columnIndex == 0;
189 }
190
191 @Override
192 public void setValueAt(Object value, int rowIndex, int columnIndex) {
193 RelationMember member = members.get(rowIndex);
194 RelationMember newMember = new RelationMember(value.toString(), member.getMember());
195 members.remove(rowIndex);
196 members.add(rowIndex, newMember);
197 }
198
199 @Override
200 public OsmPrimitive getReferredPrimitive(int idx) {
201 return members.get(idx).getMember();
202 }
203
204 public void moveUp(int[] selectedRows) {
205 if (!canMoveUp(selectedRows))
206 return;
207
208 for (int row : selectedRows) {
209 RelationMember member1 = members.get(row);
210 RelationMember member2 = members.get(row - 1);
211 members.set(row, member2);
212 members.set(row - 1, member1);
213 }
214 fireTableDataChanged();
215 getSelectionModel().setValueIsAdjusting(true);
216 getSelectionModel().clearSelection();
217 for (int row : selectedRows) {
218 row--;
219 getSelectionModel().addSelectionInterval(row, row);
220 }
221 getSelectionModel().setValueIsAdjusting(false);
222 fireMakeMemberVisible(selectedRows[0] - 1);
223 }
224
225 public void moveDown(int[] selectedRows) {
226 if (!canMoveDown(selectedRows))
227 return;
228
229 for (int i = selectedRows.length - 1; i >= 0; i--) {
230 int row = selectedRows[i];
231 RelationMember member1 = members.get(row);
232 RelationMember member2 = members.get(row + 1);
233 members.set(row, member2);
234 members.set(row + 1, member1);
235 }
236 fireTableDataChanged();
237 getSelectionModel();
238 getSelectionModel().setValueIsAdjusting(true);
239 getSelectionModel().clearSelection();
240 for (int row : selectedRows) {
241 row++;
242 getSelectionModel().addSelectionInterval(row, row);
243 }
244 getSelectionModel().setValueIsAdjusting(false);
245 fireMakeMemberVisible(selectedRows[0] + 1);
246 }
247
248 public void remove(int[] selectedRows) {
249 if (!canRemove(selectedRows))
250 return;
251 int offset = 0;
252 for (int row : selectedRows) {
253 row -= offset;
254 if (members.size() > row) {
255 members.remove(row);
256 offset++;
257 }
258 }
259 fireTableDataChanged();
260 }
261
262 public boolean canMoveUp(int[] rows) {
263 if (rows == null || rows.length == 0)
264 return false;
265 Arrays.sort(rows);
266 return rows[0] > 0 && members.size() > 0;
267 }
268
269 public boolean canMoveDown(int[] rows) {
270 if (rows == null || rows.length == 0)
271 return false;
272 Arrays.sort(rows);
273 return members.size() > 0 && rows[rows.length - 1] < members.size() - 1;
274 }
275
276 public boolean canRemove(int[] rows) {
277 if (rows == null || rows.length == 0)
278 return false;
279 return true;
280 }
281
282 public DefaultListSelectionModel getSelectionModel() {
283 if (listSelectionModel == null) {
284 listSelectionModel = new DefaultListSelectionModel();
285 listSelectionModel.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION);
286 }
287 return listSelectionModel;
288 }
289
290 public void removeMembersReferringTo(List<? extends OsmPrimitive> primitives) {
291 if (primitives == null)
292 return;
293 Iterator<RelationMember> it = members.iterator();
294 while (it.hasNext()) {
295 RelationMember member = it.next();
296 if (primitives.contains(member.getMember())) {
297 it.remove();
298 }
299 }
300 fireTableDataChanged();
301 }
302
303 public void applyToRelation(Relation relation) {
304 relation.setMembers(members);
305 }
306
307 public boolean hasSameMembersAs(Relation relation) {
308 if (relation == null)
309 return false;
310 if (relation.getMembersCount() != members.size())
311 return false;
312 for (int i = 0; i < relation.getMembersCount(); i++) {
313 if (!relation.getMember(i).equals(members.get(i)))
314 return false;
315 }
316 return true;
317 }
318
319 /**
320 * Replies the set of incomplete primitives
321 *
322 * @return the set of incomplete primitives
323 */
324 public Set<OsmPrimitive> getIncompleteMemberPrimitives() {
325 Set<OsmPrimitive> ret = new HashSet<OsmPrimitive>();
326 for (RelationMember member : members) {
327 if (member.getMember().isIncomplete()) {
328 ret.add(member.getMember());
329 }
330 }
331 return ret;
332 }
333
334 /**
335 * Replies the set of selected incomplete primitives
336 *
337 * @return the set of selected incomplete primitives
338 */
339 public Set<OsmPrimitive> getSelectedIncompleteMemberPrimitives() {
340 Set<OsmPrimitive> ret = new HashSet<OsmPrimitive>();
341 for (RelationMember member : getSelectedMembers()) {
342 if (member.getMember().isIncomplete()) {
343 ret.add(member.getMember());
344 }
345 }
346 return ret;
347 }
348
349 /**
350 * Replies true if at least one the relation members is incomplete
351 *
352 * @return true if at least one the relation members is incomplete
353 */
354 public boolean hasIncompleteMembers() {
355 for (RelationMember member : members) {
356 if (member.getMember().isIncomplete())
357 return true;
358 }
359 return false;
360 }
361
362 /**
363 * Replies true if at least one of the selected members is incomplete
364 *
365 * @return true if at least one of the selected members is incomplete
366 */
367 public boolean hasIncompleteSelectedMembers() {
368 for (RelationMember member : getSelectedMembers()) {
369 if (member.getMember().isIncomplete())
370 return true;
371 }
372 return false;
373 }
374
375 protected List<Integer> getSelectedIndices() {
376 ArrayList<Integer> selectedIndices = new ArrayList<Integer>();
377 for (int i = 0; i < members.size(); i++) {
378 if (getSelectionModel().isSelectedIndex(i)) {
379 selectedIndices.add(i);
380 }
381 }
382 return selectedIndices;
383 }
384
385 private void addMembersAtIndex(List<? extends OsmPrimitive> primitives, int index) {
386 final Collection<TaggingPreset> presets = TaggingPreset.getMatchingPresets(EnumSet.of(TaggingPreset.PresetType.RELATION), presetHandler.getSelection().iterator().next().getKeys(), false);
387 if (primitives == null)
388 return;
389 int idx = index;
390 for (OsmPrimitive primitive : primitives) {
391 final String role = presets.isEmpty() ? null : presets.iterator().next().suggestRoleForOsmPrimitive(primitive);
392 RelationMember member = new RelationMember(role == null ? "" : role, primitive);
393 members.add(idx++, member);
394 }
395 fireTableDataChanged();
396 getSelectionModel().clearSelection();
397 getSelectionModel().addSelectionInterval(index, index + primitives.size() - 1);
398 fireMakeMemberVisible(index);
399 }
400
401 public void addMembersAtBeginning(List<? extends OsmPrimitive> primitives) {
402 addMembersAtIndex(primitives, 0);
403 }
404
405 public void addMembersAtEnd(List<? extends OsmPrimitive> primitives) {
406 addMembersAtIndex(primitives, members.size());
407 }
408
409 public void addMembersBeforeIdx(List<? extends OsmPrimitive> primitives, int idx) {
410 addMembersAtIndex(primitives, idx);
411 }
412
413 public void addMembersAfterIdx(List<? extends OsmPrimitive> primitives, int idx) {
414 addMembersAtIndex(primitives, idx + 1);
415 }
416
417 /**
418 * Replies the number of members which refer to a particular primitive
419 *
420 * @param primitive the primitive
421 * @return the number of members which refer to a particular primitive
422 */
423 public int getNumMembersWithPrimitive(OsmPrimitive primitive) {
424 int count = 0;
425 for (RelationMember member : members) {
426 if (member.getMember().equals(primitive)) {
427 count++;
428 }
429 }
430 return count;
431 }
432
433 /**
434 * updates the role of the members given by the indices in <code>idx</code>
435 *
436 * @param idx the array of indices
437 * @param role the new role
438 */
439 public void updateRole(int[] idx, String role) {
440 if (idx == null || idx.length == 0)
441 return;
442 for (int row : idx) {
443 RelationMember oldMember = members.get(row);
444 RelationMember newMember = new RelationMember(role, oldMember.getMember());
445 members.remove(row);
446 members.add(row, newMember);
447 }
448 fireTableDataChanged();
449 for (int row : idx) {
450 getSelectionModel().addSelectionInterval(row, row);
451 }
452 }
453
454 /**
455 * Get the currently selected relation members
456 *
457 * @return a collection with the currently selected relation members
458 */
459 public Collection<RelationMember> getSelectedMembers() {
460 ArrayList<RelationMember> selectedMembers = new ArrayList<RelationMember>();
461 for (int i : getSelectedIndices()) {
462 selectedMembers.add(members.get(i));
463 }
464 return selectedMembers;
465 }
466
467 /**
468 * Replies the set of selected referers. Never null, but may be empty.
469 *
470 * @return the set of selected referers
471 */
472 public Collection<OsmPrimitive> getSelectedChildPrimitives() {
473 Collection<OsmPrimitive> ret = new ArrayList<OsmPrimitive>();
474 for (RelationMember m: getSelectedMembers()) {
475 ret.add(m.getMember());
476 }
477 return ret;
478 }
479
480 /**
481 * Replies the set of selected referers. Never null, but may be empty.
482 *
483 * @return the set of selected referers
484 */
485 public Set<OsmPrimitive> getChildPrimitives(Collection<? extends OsmPrimitive> referenceSet) {
486 HashSet<OsmPrimitive> ret = new HashSet<OsmPrimitive>();
487 if (referenceSet == null) return null;
488 for (RelationMember m: members) {
489 if (referenceSet.contains(m.getMember())) {
490 ret.add(m.getMember());
491 }
492 }
493 return ret;
494 }
495
496 /**
497 * Selects the members in the collection selectedMembers
498 *
499 * @param selectedMembers the collection of selected members
500 */
501 public void setSelectedMembers(Collection<RelationMember> selectedMembers) {
502 if (selectedMembers == null || selectedMembers.isEmpty()) {
503 getSelectionModel().clearSelection();
504 return;
505 }
506
507 // lookup the indices for the respective members
508 //
509 Set<Integer> selectedIndices = new HashSet<Integer>();
510 for (RelationMember member : selectedMembers) {
511 for (int idx = 0; idx < members.size(); ++idx) {
512 if (member.equals(members.get(idx))) {
513 selectedIndices.add(idx);
514 }
515 }
516 }
517 setSelectedMembersIdx(selectedIndices);
518 }
519
520 /**
521 * Selects the members in the collection selectedIndices
522 *
523 * @param selectedIndices the collection of selected member indices
524 */
525 public void setSelectedMembersIdx(Collection<Integer> selectedIndices) {
526 if (selectedIndices == null || selectedIndices.isEmpty()) {
527 getSelectionModel().clearSelection();
528 return;
529 }
530 // select the members
531 //
532 getSelectionModel().setValueIsAdjusting(true);
533 getSelectionModel().clearSelection();
534 for (int row : selectedIndices) {
535 getSelectionModel().addSelectionInterval(row, row);
536 }
537 getSelectionModel().setValueIsAdjusting(false);
538 // make the first selected member visible
539 //
540 if (selectedIndices.size() > 0) {
541 fireMakeMemberVisible(Collections.min(selectedIndices));
542 }
543 }
544
545 /**
546 * Replies true if the index-th relation members referrs
547 * to an editable relation, i.e. a relation which is not
548 * incomplete.
549 *
550 * @param index the index
551 * @return true, if the index-th relation members referrs
552 * to an editable relation, i.e. a relation which is not
553 * incomplete
554 */
555 public boolean isEditableRelation(int index) {
556 if (index < 0 || index >= members.size())
557 return false;
558 RelationMember member = members.get(index);
559 if (!member.isRelation())
560 return false;
561 Relation r = member.getRelation();
562 return !r.isIncomplete();
563 }
564
565 /**
566 * Replies true if there is at least one relation member given as {@code members}
567 * which refers to at least on the primitives in {@code primitives}.
568 *
569 * @param members the members
570 * @param primitives the collection of primitives
571 * @return true if there is at least one relation member in this model
572 * which refers to at least on the primitives in <code>primitives</code>; false
573 * otherwise
574 */
575 public static boolean hasMembersReferringTo(Collection<RelationMember> members, Collection<OsmPrimitive> primitives) {
576 if (primitives == null || primitives.isEmpty())
577 return false;
578 HashSet<OsmPrimitive> referrers = new HashSet<OsmPrimitive>();
579 for (RelationMember member : members) {
580 referrers.add(member.getMember());
581 }
582 for (OsmPrimitive referred : primitives) {
583 if (referrers.contains(referred))
584 return true;
585 }
586 return false;
587 }
588
589 /**
590 * Replies true if there is at least one relation member in this model
591 * which refers to at least on the primitives in <code>primitives</code>.
592 *
593 * @param primitives the collection of primitives
594 * @return true if there is at least one relation member in this model
595 * which refers to at least on the primitives in <code>primitives</code>; false
596 * otherwise
597 */
598 public boolean hasMembersReferringTo(Collection<OsmPrimitive> primitives) {
599 return hasMembersReferringTo(members, primitives);
600 }
601
602 /**
603 * Selects all mebers which refer to {@link OsmPrimitive}s in the collections
604 * <code>primitmives</code>. Does nothing is primitives is null.
605 *
606 * @param primitives the collection of primitives
607 */
608 public void selectMembersReferringTo(Collection<? extends OsmPrimitive> primitives) {
609 if (primitives == null) return;
610 getSelectionModel().setValueIsAdjusting(true);
611 getSelectionModel().clearSelection();
612 for (int i=0; i< members.size();i++) {
613 RelationMember m = members.get(i);
614 if (primitives.contains(m.getMember())) {
615 this.getSelectionModel().addSelectionInterval(i,i);
616 }
617 }
618 getSelectionModel().setValueIsAdjusting(false);
619 if (getSelectedIndices().size() > 0) {
620 fireMakeMemberVisible(getSelectedIndices().get(0));
621 }
622 }
623
624 /**
625 * Replies true if <code>primitive</code> is currently selected in the layer this
626 * model is attached to
627 *
628 * @param primitive the primitive
629 * @return true if <code>primitive</code> is currently selected in the layer this
630 * model is attached to, false otherwise
631 */
632 public boolean isInJosmSelection(OsmPrimitive primitive) {
633 return layer.data.isSelected(primitive);
634 }
635
636 /**
637 * Replies true if the layer this model belongs to is equal to the active
638 * layer
639 *
640 * @return true if the layer this model belongs to is equal to the active
641 * layer
642 */
643 protected boolean isActiveLayer() {
644 if (Main.map == null || Main.map.mapView == null) return false;
645 return Main.map.mapView.getActiveLayer() == layer;
646 }
647
648 /**
649 * get a node we can link against when sorting members
650 * @param element the element we want to link against
651 * @param linked_element already linked against element
652 * @return the unlinked node if element is a way, the node itself if element is a node, null otherwise
653 */
654 /*private static Node getUnusedNode(RelationMember element, RelationMember linked_element)
655 {
656 Node result = null;
657
658 if (element.isWay()) {
659 Way w = element.getWay();
660 if (linked_element.isWay()) {
661 Way x = linked_element.getWay();
662 if ((w.firstNode() == x.firstNode()) || (w.firstNode() == x.lastNode())) {
663 result = w.lastNode();
664 } else {
665 result = w.firstNode();
666 }
667 } else if (linked_element.isNode()) {
668 Node m = linked_element.getNode();
669 if (w.firstNode() == m) {
670 result = w.lastNode();
671 } else {
672 result = w.firstNode();
673 }
674 }
675 } else if (element.isNode()) {
676 Node n = element.getNode();
677 result = n;
678 }
679
680 return result;
681 }*/
682
683
684 /**
685 * Sort the selected relation members by the way they are linked.
686 */
687 void sort() {
688 List<RelationMember> selectedMembers = new ArrayList<RelationMember>(getSelectedMembers());
689 List<RelationMember> sortedMembers = null;
690 List<RelationMember> newMembers;
691 if (selectedMembers.size() <= 1) {
692 newMembers = relationSorter.sortMembers(members);
693 sortedMembers = newMembers;
694 } else {
695 sortedMembers = relationSorter.sortMembers(selectedMembers);
696 List<Integer> selectedIndices = getSelectedIndices();
697 newMembers = new ArrayList<RelationMember>();
698 boolean inserted = false;
699 for (int i=0; i < members.size(); i++) {
700 if (selectedIndices.contains(i)) {
701 if (!inserted) {
702 newMembers.addAll(sortedMembers);
703 inserted = true;
704 }
705 } else {
706 newMembers.add(members.get(i));
707 }
708 }
709 }
710
711 if (members.size() != newMembers.size()) throw new AssertionError();
712
713 members.clear();
714 members.addAll(newMembers);
715 fireTableDataChanged();
716 setSelectedMembers(sortedMembers);
717 }
718
719
720 WayConnectionType getWayConnection(int i) {
721 if (connectionType == null) {
722 connectionType = wayConnectionTypeCalculator.updateLinks(members);
723 }
724 return connectionType.get(i);
725 }
726
727 public void tableChanged(TableModelEvent e) {
728 connectionType = null;
729 }
730
731 /**
732 * Reverse the relation members.
733 */
734 void reverse() {
735 List<Integer> selectedIndices = getSelectedIndices();
736 List<Integer> selectedIndicesReversed = getSelectedIndices();
737
738 if (selectedIndices.size() <= 1) {
739 Collections.reverse(members);
740 fireTableDataChanged();
741 setSelectedMembers(members);
742 } else {
743 Collections.reverse(selectedIndicesReversed);
744
745 ArrayList<RelationMember> newMembers = new ArrayList<RelationMember>(members);
746
747 for (int i=0; i < selectedIndices.size(); i++) {
748 newMembers.set(selectedIndices.get(i), members.get(selectedIndicesReversed.get(i)));
749 }
750
751 if (members.size() != newMembers.size()) throw new AssertionError();
752 members.clear();
753 members.addAll(newMembers);
754 fireTableDataChanged();
755 setSelectedMembersIdx(selectedIndices);
756 }
757 }
758
759 // private static void unconnectPreviousLink(List<WayConnectionType> con, int beg, boolean backward){
760 // int i = beg;
761 // while(true){
762 // WayConnectionType t = con.get(i--);
763 // t.isOnewayOppositeConnected = false;
764 // if(backward && t.isOnewayLoopBackwardPart) break;
765 // if(!backward && t.isOnewayLoopForwardPart) break;
766 // }
767 // }
768
769}
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