001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.conflict.pair; 003 004import static org.openstreetmap.josm.gui.conflict.pair.ComparePairType.MY_WITH_MERGED; 005import static org.openstreetmap.josm.gui.conflict.pair.ComparePairType.MY_WITH_THEIR; 006import static org.openstreetmap.josm.gui.conflict.pair.ComparePairType.THEIR_WITH_MERGED; 007import static org.openstreetmap.josm.gui.conflict.pair.ListRole.MERGED_ENTRIES; 008import static org.openstreetmap.josm.gui.conflict.pair.ListRole.MY_ENTRIES; 009import static org.openstreetmap.josm.gui.conflict.pair.ListRole.THEIR_ENTRIES; 010import static org.openstreetmap.josm.tools.I18n.tr; 011 012import java.beans.PropertyChangeEvent; 013import java.beans.PropertyChangeListener; 014import java.util.ArrayList; 015import java.util.Arrays; 016import java.util.EnumMap; 017import java.util.HashSet; 018import java.util.List; 019import java.util.Map; 020import java.util.Set; 021import java.util.stream.Collectors; 022import java.util.stream.IntStream; 023 024import javax.swing.DefaultListSelectionModel; 025import javax.swing.JOptionPane; 026import javax.swing.JTable; 027import javax.swing.ListSelectionModel; 028import javax.swing.table.DefaultTableModel; 029import javax.swing.table.TableModel; 030 031import org.openstreetmap.josm.command.conflict.ConflictResolveCommand; 032import org.openstreetmap.josm.data.conflict.Conflict; 033import org.openstreetmap.josm.data.osm.DataSet; 034import org.openstreetmap.josm.data.osm.OsmPrimitive; 035import org.openstreetmap.josm.data.osm.PrimitiveId; 036import org.openstreetmap.josm.data.osm.RelationMember; 037import org.openstreetmap.josm.gui.HelpAwareOptionPane; 038import org.openstreetmap.josm.gui.MainApplication; 039import org.openstreetmap.josm.gui.help.HelpUtil; 040import org.openstreetmap.josm.gui.util.ChangeNotifier; 041import org.openstreetmap.josm.gui.util.TableHelper; 042import org.openstreetmap.josm.gui.widgets.JosmComboBoxModel; 043import org.openstreetmap.josm.gui.widgets.OsmPrimitivesTableModel; 044import org.openstreetmap.josm.tools.CheckParameterUtil; 045import org.openstreetmap.josm.tools.Logging; 046import org.openstreetmap.josm.tools.Utils; 047 048/** 049 * ListMergeModel is a model for interactively comparing and merging two list of entries 050 * of type T. It maintains three lists of entries of type T: 051 * <ol> 052 * <li>the list of <em>my</em> entries</li> 053 * <li>the list of <em>their</em> entries</li> 054 * <li>the list of <em>merged</em> entries</li> 055 * </ol> 056 * 057 * A ListMergeModel is a factory for three {@link TableModel}s and three {@link ListSelectionModel}s: 058 * <ol> 059 * <li>the table model and the list selection for for a {@link JTable} which shows my entries. 060 * See {@link #getMyTableModel()} and {@link AbstractListMergeModel#getMySelectionModel()}</li> 061 * <li>dito for their entries and merged entries</li> 062 * </ol> 063 * 064 * A ListMergeModel can be ''frozen''. If it's frozen, it doesn't accept additional merge 065 * decisions. {@link PropertyChangeListener}s can register for property value changes of 066 * {@link #FROZEN_PROP}. 067 * 068 * ListMergeModel is an abstract class. Three methods have to be implemented by subclasses: 069 * <ul> 070 * <li>{@link AbstractListMergeModel#cloneEntryForMergedList} - clones an entry of type T</li> 071 * <li>{@link AbstractListMergeModel#isEqualEntry} - checks whether two entries are equals </li> 072 * <li>{@link AbstractListMergeModel#setValueAt(DefaultTableModel, Object, int, int)} - handles values edited in 073 * a JTable, dispatched from {@link TableModel#setValueAt(Object, int, int)} </li> 074 * </ul> 075 * A ListMergeModel is used in combination with a {@link AbstractListMerger}. 076 * 077 * @param <T> the type of the list entries 078 * @param <C> the type of conflict resolution command 079 * @see AbstractListMerger 080 * @see PairTable For the table displaying this model 081 */ 082public abstract class AbstractListMergeModel<T extends PrimitiveId, C extends ConflictResolveCommand> extends ChangeNotifier { 083 /** 084 * The property name to listen for frozen changes. 085 * @see #setFrozen(boolean) 086 * @see #isFrozen() 087 */ 088 public static final String FROZEN_PROP = AbstractListMergeModel.class.getName() + ".frozen"; 089 090 private static final int MAX_DELETED_PRIMITIVE_IN_DIALOG = 5; 091 092 protected Map<ListRole, ArrayList<T>> entries; 093 094 protected EntriesTableModel myEntriesTableModel; 095 protected EntriesTableModel theirEntriesTableModel; 096 protected EntriesTableModel mergedEntriesTableModel; 097 098 protected EntriesSelectionModel myEntriesSelectionModel; 099 protected EntriesSelectionModel theirEntriesSelectionModel; 100 protected EntriesSelectionModel mergedEntriesSelectionModel; 101 102 private final Set<PropertyChangeListener> listeners; 103 private boolean isFrozen; 104 private final ComparePairListModel comparePairListModel; 105 106 private DataSet myDataset; 107 private Map<PrimitiveId, PrimitiveId> mergedMap; 108 109 /** 110 * Creates a clone of an entry of type T suitable to be included in the 111 * list of merged entries 112 * 113 * @param entry the entry 114 * @return the cloned entry 115 */ 116 protected abstract T cloneEntryForMergedList(T entry); 117 118 /** 119 * checks whether two entries are equal. This is not necessarily the same as 120 * e1.equals(e2). 121 * 122 * @param e1 the first entry 123 * @param e2 the second entry 124 * @return true, if the entries are equal, false otherwise. 125 */ 126 public abstract boolean isEqualEntry(T e1, T e2); 127 128 /** 129 * Handles method dispatches from {@link TableModel#setValueAt(Object, int, int)}. 130 * 131 * @param model the table model 132 * @param value the value to be set 133 * @param row the row index 134 * @param col the column index 135 * 136 * @see TableModel#setValueAt(Object, int, int) 137 */ 138 protected abstract void setValueAt(DefaultTableModel model, Object value, int row, int col); 139 140 /** 141 * Replies primitive from my dataset referenced by entry 142 * @param entry entry 143 * @return Primitive from my dataset referenced by entry 144 */ 145 public OsmPrimitive getMyPrimitive(T entry) { 146 return getMyPrimitiveById(entry); 147 } 148 149 public final OsmPrimitive getMyPrimitiveById(PrimitiveId entry) { 150 OsmPrimitive result = myDataset.getPrimitiveById(entry); 151 if (result == null && mergedMap != null) { 152 PrimitiveId id = mergedMap.get(entry); 153 if (id == null && entry instanceof OsmPrimitive) { 154 id = mergedMap.get(((OsmPrimitive) entry).getPrimitiveId()); 155 } 156 if (id != null) { 157 result = myDataset.getPrimitiveById(id); 158 } 159 } 160 return result; 161 } 162 163 protected void buildMyEntriesTableModel() { 164 myEntriesTableModel = new EntriesTableModel(MY_ENTRIES); 165 } 166 167 protected void buildTheirEntriesTableModel() { 168 theirEntriesTableModel = new EntriesTableModel(THEIR_ENTRIES); 169 } 170 171 protected void buildMergedEntriesTableModel() { 172 mergedEntriesTableModel = new EntriesTableModel(MERGED_ENTRIES); 173 } 174 175 protected List<T> getMergedEntries() { 176 return entries.get(MERGED_ENTRIES); 177 } 178 179 protected List<T> getMyEntries() { 180 return entries.get(MY_ENTRIES); 181 } 182 183 protected List<T> getTheirEntries() { 184 return entries.get(THEIR_ENTRIES); 185 } 186 187 public int getMyEntriesSize() { 188 return getMyEntries().size(); 189 } 190 191 public int getMergedEntriesSize() { 192 return getMergedEntries().size(); 193 } 194 195 public int getTheirEntriesSize() { 196 return getTheirEntries().size(); 197 } 198 199 /** 200 * Constructs a new {@code ListMergeModel}. 201 */ 202 protected AbstractListMergeModel() { 203 entries = new EnumMap<>(ListRole.class); 204 for (ListRole role : ListRole.values()) { 205 entries.put(role, new ArrayList<T>()); 206 } 207 208 buildMyEntriesTableModel(); 209 buildTheirEntriesTableModel(); 210 buildMergedEntriesTableModel(); 211 212 myEntriesSelectionModel = new EntriesSelectionModel(entries.get(MY_ENTRIES)); 213 theirEntriesSelectionModel = new EntriesSelectionModel(entries.get(THEIR_ENTRIES)); 214 mergedEntriesSelectionModel = new EntriesSelectionModel(entries.get(MERGED_ENTRIES)); 215 216 listeners = new HashSet<>(); 217 comparePairListModel = new ComparePairListModel(); 218 219 setFrozen(true); 220 } 221 222 public void addPropertyChangeListener(PropertyChangeListener listener) { 223 synchronized (listeners) { 224 if (listener != null) { 225 listeners.add(listener); 226 } 227 } 228 } 229 230 public void removePropertyChangeListener(PropertyChangeListener listener) { 231 synchronized (listeners) { 232 if (listener != null) { 233 listeners.remove(listener); 234 } 235 } 236 } 237 238 protected void fireFrozenChanged(boolean oldValue, boolean newValue) { 239 synchronized (listeners) { 240 PropertyChangeEvent evt = new PropertyChangeEvent(this, FROZEN_PROP, oldValue, newValue); 241 listeners.forEach(listener -> listener.propertyChange(evt)); 242 } 243 } 244 245 /** 246 * Sets the frozen status for this model. 247 * @param isFrozen <code>true</code> if it should be frozen. 248 */ 249 public final void setFrozen(boolean isFrozen) { 250 boolean oldValue = this.isFrozen; 251 this.isFrozen = isFrozen; 252 fireFrozenChanged(oldValue, this.isFrozen); 253 } 254 255 /** 256 * Check if the model is frozen. 257 * @return The current frozen state. 258 */ 259 public final boolean isFrozen() { 260 return isFrozen; 261 } 262 263 public OsmPrimitivesTableModel getMyTableModel() { 264 return myEntriesTableModel; 265 } 266 267 public OsmPrimitivesTableModel getTheirTableModel() { 268 return theirEntriesTableModel; 269 } 270 271 public OsmPrimitivesTableModel getMergedTableModel() { 272 return mergedEntriesTableModel; 273 } 274 275 public EntriesSelectionModel getMySelectionModel() { 276 return myEntriesSelectionModel; 277 } 278 279 public EntriesSelectionModel getTheirSelectionModel() { 280 return theirEntriesSelectionModel; 281 } 282 283 public EntriesSelectionModel getMergedSelectionModel() { 284 return mergedEntriesSelectionModel; 285 } 286 287 protected void fireModelDataChanged() { 288 myEntriesTableModel.fireTableDataChanged(); 289 theirEntriesTableModel.fireTableDataChanged(); 290 mergedEntriesTableModel.fireTableDataChanged(); 291 fireStateChanged(); 292 } 293 294 protected void copyToTop(ListRole role, int... rows) { 295 copy(role, rows, 0); 296 mergedEntriesSelectionModel.setSelectionInterval(0, rows.length -1); 297 } 298 299 /** 300 * Copies the nodes given by indices in rows from the list of my nodes to the 301 * list of merged nodes. Inserts the nodes at the top of the list of merged 302 * nodes. 303 * 304 * @param rows the indices 305 */ 306 public void copyMyToTop(int... rows) { 307 copyToTop(MY_ENTRIES, rows); 308 } 309 310 /** 311 * Copies the nodes given by indices in rows from the list of their nodes to the 312 * list of merged nodes. Inserts the nodes at the top of the list of merged 313 * nodes. 314 * 315 * @param rows the indices 316 */ 317 public void copyTheirToTop(int... rows) { 318 copyToTop(THEIR_ENTRIES, rows); 319 } 320 321 /** 322 * Copies the nodes given by indices in rows from the list of nodes in source to the 323 * list of merged nodes. Inserts the nodes at the end of the list of merged 324 * nodes. 325 * 326 * @param source the list of nodes to copy from 327 * @param rows the indices 328 */ 329 330 public void copyToEnd(ListRole source, int... rows) { 331 copy(source, rows, getMergedEntriesSize()); 332 mergedEntriesSelectionModel.setSelectionInterval(getMergedEntriesSize()-rows.length, getMergedEntriesSize() -1); 333 334 } 335 336 /** 337 * Copies the nodes given by indices in rows from the list of my nodes to the 338 * list of merged nodes. Inserts the nodes at the end of the list of merged 339 * nodes. 340 * 341 * @param rows the indices 342 */ 343 public void copyMyToEnd(int... rows) { 344 copyToEnd(MY_ENTRIES, rows); 345 } 346 347 /** 348 * Copies the nodes given by indices in rows from the list of their nodes to the 349 * list of merged nodes. Inserts the nodes at the end of the list of merged 350 * nodes. 351 * 352 * @param rows the indices 353 */ 354 public void copyTheirToEnd(int... rows) { 355 copyToEnd(THEIR_ENTRIES, rows); 356 } 357 358 public void clearMerged() { 359 getMergedEntries().clear(); 360 fireModelDataChanged(); 361 } 362 363 protected final void initPopulate(OsmPrimitive my, OsmPrimitive their, Map<PrimitiveId, PrimitiveId> mergedMap) { 364 CheckParameterUtil.ensureParameterNotNull(my, "my"); 365 CheckParameterUtil.ensureParameterNotNull(their, "their"); 366 this.myDataset = my.getDataSet(); 367 this.mergedMap = mergedMap; 368 getMergedEntries().clear(); 369 getMyEntries().clear(); 370 getTheirEntries().clear(); 371 } 372 373 protected void alertCopyFailedForDeletedPrimitives(List<PrimitiveId> deletedIds) { 374 List<String> items = deletedIds.stream().limit(MAX_DELETED_PRIMITIVE_IN_DIALOG).map(Object::toString).collect(Collectors.toList()); 375 if (deletedIds.size() > MAX_DELETED_PRIMITIVE_IN_DIALOG) { 376 items.add(tr("{0} more...", deletedIds.size() - MAX_DELETED_PRIMITIVE_IN_DIALOG)); 377 } 378 StringBuilder sb = new StringBuilder(); 379 sb.append("<html>") 380 .append(tr("The following objects could not be copied to the target object<br>because they are deleted in the target dataset:")) 381 .append(Utils.joinAsHtmlUnorderedList(items)) 382 .append("</html>"); 383 HelpAwareOptionPane.showOptionDialog( 384 MainApplication.getMainFrame(), 385 sb.toString(), 386 tr("Merging deleted objects failed"), 387 JOptionPane.WARNING_MESSAGE, 388 HelpUtil.ht("/Dialog/Conflict#MergingDeletedPrimitivesFailed") 389 ); 390 } 391 392 private void copy(ListRole sourceRole, int[] rows, int position) { 393 if (position < 0 || position > getMergedEntriesSize()) 394 throw new IllegalArgumentException("Position must be between 0 and "+getMergedEntriesSize()+" but is "+position); 395 List<T> newItems = new ArrayList<>(rows.length); 396 List<T> source = entries.get(sourceRole); 397 List<PrimitiveId> deletedIds = new ArrayList<>(); 398 for (int row: rows) { 399 T entry = source.get(row); 400 OsmPrimitive primitive = getMyPrimitive(entry); 401 if (primitive != null) { 402 if (!primitive.isDeleted()) { 403 T clone = cloneEntryForMergedList(entry); 404 newItems.add(clone); 405 } else { 406 deletedIds.add(primitive.getPrimitiveId()); 407 } 408 } 409 } 410 getMergedEntries().addAll(position, newItems); 411 fireModelDataChanged(); 412 if (!deletedIds.isEmpty()) { 413 alertCopyFailedForDeletedPrimitives(deletedIds); 414 } 415 } 416 417 /** 418 * Copies over all values from the given side to the merged table.. 419 * @param source The source side to copy from. 420 */ 421 public void copyAll(ListRole source) { 422 getMergedEntries().clear(); 423 424 int[] rows = IntStream.range(0, entries.get(source).size()).toArray(); 425 copy(source, rows, 0); 426 } 427 428 /** 429 * Copies the nodes given by indices in rows from the list of nodes <code>source</code> to the 430 * list of merged nodes. Inserts the nodes before row given by current. 431 * 432 * @param source the list of nodes to copy from 433 * @param rows the indices 434 * @param current the row index before which the nodes are inserted 435 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 436 */ 437 protected void copyBeforeCurrent(ListRole source, int[] rows, int current) { 438 copy(source, rows, current); 439 mergedEntriesSelectionModel.setSelectionInterval(current, current + rows.length-1); 440 } 441 442 /** 443 * Copies the nodes given by indices in rows from the list of my nodes to the 444 * list of merged nodes. Inserts the nodes before row given by current. 445 * 446 * @param rows the indices 447 * @param current the row index before which the nodes are inserted 448 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 449 */ 450 public void copyMyBeforeCurrent(int[] rows, int current) { 451 copyBeforeCurrent(MY_ENTRIES, rows, current); 452 } 453 454 /** 455 * Copies the nodes given by indices in rows from the list of their nodes to the 456 * list of merged nodes. Inserts the nodes before row given by current. 457 * 458 * @param rows the indices 459 * @param current the row index before which the nodes are inserted 460 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 461 */ 462 public void copyTheirBeforeCurrent(int[] rows, int current) { 463 copyBeforeCurrent(THEIR_ENTRIES, rows, current); 464 } 465 466 /** 467 * Copies the nodes given by indices in rows from the list of nodes <code>source</code> to the 468 * list of merged nodes. Inserts the nodes after the row given by current. 469 * 470 * @param source the list of nodes to copy from 471 * @param rows the indices 472 * @param current the row index after which the nodes are inserted 473 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 474 */ 475 protected void copyAfterCurrent(ListRole source, int[] rows, int current) { 476 copy(source, rows, current + 1); 477 mergedEntriesSelectionModel.setSelectionInterval(current+1, current + rows.length-1); 478 fireStateChanged(); 479 } 480 481 /** 482 * Copies the nodes given by indices in rows from the list of my nodes to the 483 * list of merged nodes. Inserts the nodes after the row given by current. 484 * 485 * @param rows the indices 486 * @param current the row index after which the nodes are inserted 487 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 488 */ 489 public void copyMyAfterCurrent(int[] rows, int current) { 490 copyAfterCurrent(MY_ENTRIES, rows, current); 491 } 492 493 /** 494 * Copies the nodes given by indices in rows from the list of my nodes to the 495 * list of merged nodes. Inserts the nodes after the row given by current. 496 * 497 * @param rows the indices 498 * @param current the row index after which the nodes are inserted 499 * @throws IllegalArgumentException if current < 0 or >= #nodes in list of merged nodes 500 */ 501 public void copyTheirAfterCurrent(int[] rows, int current) { 502 copyAfterCurrent(THEIR_ENTRIES, rows, current); 503 } 504 505 /** 506 * Moves the nodes given by indices in rows up by one position in the list 507 * of merged nodes. 508 * 509 * @param rows the indices 510 * 511 */ 512 public void moveUpMerged(int... rows) { 513 if (rows == null || rows.length == 0) 514 return; 515 if (rows[0] == 0) 516 // can't move up 517 return; 518 List<T> mergedEntries = getMergedEntries(); 519 for (int row: rows) { 520 T n = mergedEntries.get(row); 521 mergedEntries.remove(row); 522 mergedEntries.add(row -1, n); 523 } 524 fireModelDataChanged(); 525 TableHelper.setSelectedIndices(mergedEntriesSelectionModel, Arrays.stream(rows).map(row -> row - 1)); 526 } 527 528 /** 529 * Moves the nodes given by indices in rows down by one position in the list 530 * of merged nodes. 531 * 532 * @param rows the indices 533 */ 534 public void moveDownMerged(int... rows) { 535 if (rows == null || rows.length == 0) 536 return; 537 List<T> mergedEntries = getMergedEntries(); 538 if (rows[rows.length -1] == mergedEntries.size() -1) 539 // can't move down 540 return; 541 for (int i = rows.length-1; i >= 0; i--) { 542 int row = rows[i]; 543 T n = mergedEntries.get(row); 544 mergedEntries.remove(row); 545 mergedEntries.add(row +1, n); 546 } 547 fireModelDataChanged(); 548 TableHelper.setSelectedIndices(mergedEntriesSelectionModel, Arrays.stream(rows).map(row -> row + 1)); 549 } 550 551 /** 552 * Removes the nodes given by indices in rows from the list 553 * of merged nodes. 554 * 555 * @param rows the indices 556 */ 557 public void removeMerged(int... rows) { 558 if (rows == null || rows.length == 0) 559 return; 560 561 List<T> mergedEntries = getMergedEntries(); 562 563 for (int i = rows.length-1; i >= 0; i--) { 564 mergedEntries.remove(rows[i]); 565 } 566 fireModelDataChanged(); 567 mergedEntriesSelectionModel.clearSelection(); 568 } 569 570 /** 571 * Replies true if the list of my entries and the list of their 572 * entries are equal 573 * 574 * @return true, if the lists are equal; false otherwise 575 */ 576 protected boolean myAndTheirEntriesEqual() { 577 return getMyEntriesSize() == getTheirEntriesSize() 578 && IntStream.range(0, getMyEntriesSize()).allMatch(i -> isEqualEntry(getMyEntries().get(i), getTheirEntries().get(i))); 579 } 580 581 /** 582 * This an adapter between a {@link JTable} and one of the three entry lists 583 * in the role {@link ListRole} managed by the {@link AbstractListMergeModel}. 584 * 585 * From the point of view of the {@link JTable} it is a {@link TableModel}. 586 * 587 * @see AbstractListMergeModel#getMyTableModel() 588 * @see AbstractListMergeModel#getTheirTableModel() 589 * @see AbstractListMergeModel#getMergedTableModel() 590 */ 591 public class EntriesTableModel extends DefaultTableModel implements OsmPrimitivesTableModel { 592 private final ListRole role; 593 594 /** 595 * 596 * @param role the role 597 */ 598 public EntriesTableModel(ListRole role) { 599 this.role = role; 600 } 601 602 @Override 603 public int getRowCount() { 604 int count = Math.max(getMyEntries().size(), getMergedEntries().size()); 605 return Math.max(count, getTheirEntries().size()); 606 } 607 608 @Override 609 public Object getValueAt(int row, int column) { 610 if (row < entries.get(role).size()) 611 return entries.get(role).get(row); 612 return null; 613 } 614 615 @Override 616 public boolean isCellEditable(int row, int column) { 617 return false; 618 } 619 620 @Override 621 public void setValueAt(Object value, int row, int col) { 622 AbstractListMergeModel.this.setValueAt(this, value, row, col); 623 } 624 625 /** 626 * Returns the list merge model. 627 * @return the list merge model 628 */ 629 public AbstractListMergeModel<T, C> getListMergeModel() { 630 return AbstractListMergeModel.this; 631 } 632 633 /** 634 * replies true if the {@link ListRole} of this {@link EntriesTableModel} 635 * participates in the current {@link ComparePairType} 636 * 637 * @return true, if the if the {@link ListRole} of this {@link EntriesTableModel} 638 * participates in the current {@link ComparePairType} 639 * 640 * @see AbstractListMergeModel.ComparePairListModel#getSelectedComparePair() 641 */ 642 public boolean isParticipatingInCurrentComparePair() { 643 return getComparePairListModel() 644 .getSelectedComparePair() 645 .isParticipatingIn(role); 646 } 647 648 /** 649 * replies true if the entry at <code>row</code> is equal to the entry at the 650 * same position in the opposite list of the current {@link ComparePairType}. 651 * 652 * @param row the row number 653 * @return true if the entry at <code>row</code> is equal to the entry at the 654 * same position in the opposite list of the current {@link ComparePairType} 655 * @throws IllegalStateException if this model is not participating in the 656 * current {@link ComparePairType} 657 * @see ComparePairType#getOppositeRole(ListRole) 658 * @see #getRole() 659 * @see #getOppositeEntries() 660 */ 661 public boolean isSamePositionInOppositeList(int row) { 662 if (!isParticipatingInCurrentComparePair()) 663 throw new IllegalStateException(tr("List in role {0} is currently not participating in a compare pair.", role.toString())); 664 if (row >= getEntries().size()) return false; 665 if (row >= getOppositeEntries().size()) return false; 666 667 T e1 = getEntries().get(row); 668 T e2 = getOppositeEntries().get(row); 669 return isEqualEntry(e1, e2); 670 } 671 672 /** 673 * replies true if the entry at the current position is present in the opposite list 674 * of the current {@link ComparePairType}. 675 * 676 * @param row the current row 677 * @return true if the entry at the current position is present in the opposite list 678 * of the current {@link ComparePairType}. 679 * @throws IllegalStateException if this model is not participating in the 680 * current {@link ComparePairType} 681 * @see ComparePairType#getOppositeRole(ListRole) 682 * @see #getRole() 683 * @see #getOppositeEntries() 684 */ 685 public boolean isIncludedInOppositeList(int row) { 686 if (!isParticipatingInCurrentComparePair()) 687 throw new IllegalStateException(tr("List in role {0} is currently not participating in a compare pair.", role.toString())); 688 689 if (row >= getEntries().size()) return false; 690 T e1 = getEntries().get(row); 691 return getOppositeEntries().stream().anyMatch(e2 -> isEqualEntry(e1, e2)); 692 } 693 694 protected List<T> getEntries() { 695 return entries.get(role); 696 } 697 698 /** 699 * replies the opposite list of entries with respect to the current {@link ComparePairType} 700 * 701 * @return the opposite list of entries 702 */ 703 protected List<T> getOppositeEntries() { 704 ListRole opposite = getComparePairListModel().getSelectedComparePair().getOppositeRole(role); 705 return entries.get(opposite); 706 } 707 708 /** 709 * Get the role of the table. 710 * @return The role. 711 */ 712 public ListRole getRole() { 713 return role; 714 } 715 716 @Override 717 public OsmPrimitive getReferredPrimitive(int idx) { 718 Object value = getValueAt(idx, 1); 719 if (value instanceof OsmPrimitive) { 720 return (OsmPrimitive) value; 721 } else if (value instanceof RelationMember) { 722 return ((RelationMember) value).getMember(); 723 } else { 724 Logging.error("Unknown object type: "+value); 725 return null; 726 } 727 } 728 } 729 730 /** 731 * This is the selection model to be used in a {@link JTable} which displays 732 * an entry list managed by {@link AbstractListMergeModel}. 733 * 734 * The model ensures that only rows displaying an entry in the entry list 735 * can be selected. "Empty" rows can't be selected. 736 * 737 * @see AbstractListMergeModel#getMySelectionModel() 738 * @see AbstractListMergeModel#getMergedSelectionModel() 739 * @see AbstractListMergeModel#getTheirSelectionModel() 740 * 741 */ 742 protected class EntriesSelectionModel extends DefaultListSelectionModel { 743 private final transient List<T> entries; 744 745 public EntriesSelectionModel(List<T> nodes) { 746 this.entries = nodes; 747 } 748 749 @Override 750 public void addSelectionInterval(int index0, int index1) { 751 if (entries.isEmpty()) return; 752 if (index0 > entries.size() - 1) return; 753 index0 = Math.min(entries.size()-1, index0); 754 index1 = Math.min(entries.size()-1, index1); 755 super.addSelectionInterval(index0, index1); 756 } 757 758 @Override 759 public void insertIndexInterval(int index, int length, boolean before) { 760 if (entries.isEmpty()) return; 761 if (before) { 762 int newindex = Math.min(entries.size()-1, index); 763 if (newindex < index - length) return; 764 length = length - (index - newindex); 765 super.insertIndexInterval(newindex, length, before); 766 } else { 767 if (index > entries.size() -1) return; 768 length = Math.min(entries.size()-1 - index, length); 769 super.insertIndexInterval(index, length, before); 770 } 771 } 772 773 @Override 774 public void moveLeadSelectionIndex(int leadIndex) { 775 if (entries.isEmpty()) return; 776 leadIndex = Math.max(0, leadIndex); 777 leadIndex = Math.min(entries.size() - 1, leadIndex); 778 super.moveLeadSelectionIndex(leadIndex); 779 } 780 781 @Override 782 public void removeIndexInterval(int index0, int index1) { 783 if (entries.isEmpty()) return; 784 index0 = Math.max(0, index0); 785 index0 = Math.min(entries.size() - 1, index0); 786 787 index1 = Math.max(0, index1); 788 index1 = Math.min(entries.size() - 1, index1); 789 super.removeIndexInterval(index0, index1); 790 } 791 792 @Override 793 public void removeSelectionInterval(int index0, int index1) { 794 if (entries.isEmpty()) return; 795 index0 = Math.max(0, index0); 796 index0 = Math.min(entries.size() - 1, index0); 797 798 index1 = Math.max(0, index1); 799 index1 = Math.min(entries.size() - 1, index1); 800 super.removeSelectionInterval(index0, index1); 801 } 802 803 @Override 804 public void setAnchorSelectionIndex(int anchorIndex) { 805 if (entries.isEmpty()) return; 806 anchorIndex = Math.min(entries.size() - 1, anchorIndex); 807 super.setAnchorSelectionIndex(anchorIndex); 808 } 809 810 @Override 811 public void setLeadSelectionIndex(int leadIndex) { 812 if (entries.isEmpty()) return; 813 leadIndex = Math.min(entries.size() - 1, leadIndex); 814 super.setLeadSelectionIndex(leadIndex); 815 } 816 817 @Override 818 public void setSelectionInterval(int index0, int index1) { 819 if (entries.isEmpty()) return; 820 index0 = Math.max(0, index0); 821 index0 = Math.min(entries.size() - 1, index0); 822 823 index1 = Math.max(0, index1); 824 index1 = Math.min(entries.size() - 1, index1); 825 826 super.setSelectionInterval(index0, index1); 827 } 828 } 829 830 public ComparePairListModel getComparePairListModel() { 831 return this.comparePairListModel; 832 } 833 834 public class ComparePairListModel extends JosmComboBoxModel<ComparePairType> { 835 836 private int selectedIdx; 837 private final List<ComparePairType> compareModes; 838 839 /** 840 * Constructs a new {@code ComparePairListModel}. 841 */ 842 public ComparePairListModel() { 843 this.compareModes = new ArrayList<>(); 844 compareModes.add(MY_WITH_THEIR); 845 compareModes.add(MY_WITH_MERGED); 846 compareModes.add(THEIR_WITH_MERGED); 847 selectedIdx = 0; 848 } 849 850 @Override 851 public ComparePairType getElementAt(int index) { 852 if (index < compareModes.size()) 853 return compareModes.get(index); 854 throw new IllegalArgumentException(tr("Unexpected value of parameter ''index''. Got {0}.", index)); 855 } 856 857 @Override 858 public int getSize() { 859 return compareModes.size(); 860 } 861 862 @Override 863 public Object getSelectedItem() { 864 return compareModes.get(selectedIdx); 865 } 866 867 @Override 868 public void setSelectedItem(Object anItem) { 869 int i = compareModes.indexOf(anItem); 870 if (i < 0) 871 throw new IllegalStateException(tr("Item {0} not found in list.", anItem)); 872 selectedIdx = i; 873 fireModelDataChanged(); 874 } 875 876 public ComparePairType getSelectedComparePair() { 877 return compareModes.get(selectedIdx); 878 } 879 } 880 881 /** 882 * Builds the command to resolve conflicts in the list. 883 * 884 * @param conflict the conflict data set 885 * @return the command 886 * @throws IllegalStateException if the merge is not yet frozen 887 */ 888 public abstract C buildResolveCommand(Conflict<? extends OsmPrimitive> conflict); 889}