001// License: GPL. For details, see LICENSE file. 002package org.openstreetmap.josm.gui.dialogs; 003 004import static org.openstreetmap.josm.tools.I18n.tr; 005import static org.openstreetmap.josm.tools.I18n.trn; 006 007import java.awt.Component; 008import java.awt.GraphicsEnvironment; 009import java.awt.Rectangle; 010import java.awt.datatransfer.Transferable; 011import java.awt.event.ActionEvent; 012import java.awt.event.ActionListener; 013import java.awt.event.KeyEvent; 014import java.awt.event.MouseEvent; 015import java.util.ArrayList; 016import java.util.Arrays; 017import java.util.Collection; 018import java.util.Collections; 019import java.util.Comparator; 020import java.util.HashSet; 021import java.util.LinkedList; 022import java.util.List; 023import java.util.Set; 024 025import javax.swing.AbstractAction; 026import javax.swing.AbstractListModel; 027import javax.swing.DefaultListSelectionModel; 028import javax.swing.JComponent; 029import javax.swing.JList; 030import javax.swing.JMenuItem; 031import javax.swing.JPopupMenu; 032import javax.swing.ListSelectionModel; 033import javax.swing.TransferHandler; 034import javax.swing.event.ListDataEvent; 035import javax.swing.event.ListDataListener; 036import javax.swing.event.ListSelectionEvent; 037import javax.swing.event.ListSelectionListener; 038 039import org.openstreetmap.josm.actions.AbstractSelectAction; 040import org.openstreetmap.josm.actions.AutoScaleAction; 041import org.openstreetmap.josm.actions.AutoScaleAction.AutoScaleMode; 042import org.openstreetmap.josm.actions.relation.EditRelationAction; 043import org.openstreetmap.josm.data.osm.DataSelectionListener; 044import org.openstreetmap.josm.data.osm.DataSet; 045import org.openstreetmap.josm.data.osm.DefaultNameFormatter; 046import org.openstreetmap.josm.data.osm.Node; 047import org.openstreetmap.josm.data.osm.OsmData; 048import org.openstreetmap.josm.data.osm.OsmPrimitive; 049import org.openstreetmap.josm.data.osm.OsmPrimitiveComparator; 050import org.openstreetmap.josm.data.osm.Relation; 051import org.openstreetmap.josm.data.osm.Way; 052import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent; 053import org.openstreetmap.josm.data.osm.event.DataChangedEvent; 054import org.openstreetmap.josm.data.osm.event.DataSetListener; 055import org.openstreetmap.josm.data.osm.event.DatasetEventManager; 056import org.openstreetmap.josm.data.osm.event.DatasetEventManager.FireMode; 057import org.openstreetmap.josm.data.osm.event.NodeMovedEvent; 058import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent; 059import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent; 060import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent; 061import org.openstreetmap.josm.data.osm.event.SelectionEventManager; 062import org.openstreetmap.josm.data.osm.event.TagsChangedEvent; 063import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent; 064import org.openstreetmap.josm.data.osm.search.SearchSetting; 065import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor; 066import org.openstreetmap.josm.gui.MainApplication; 067import org.openstreetmap.josm.gui.PopupMenuHandler; 068import org.openstreetmap.josm.gui.PrimitiveRenderer; 069import org.openstreetmap.josm.gui.SideButton; 070import org.openstreetmap.josm.gui.datatransfer.PrimitiveTransferable; 071import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTransferData; 072import org.openstreetmap.josm.gui.dialogs.relation.RelationPopupMenus; 073import org.openstreetmap.josm.gui.history.HistoryBrowserDialogManager; 074import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent; 075import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener; 076import org.openstreetmap.josm.gui.util.GuiHelper; 077import org.openstreetmap.josm.gui.util.HighlightHelper; 078import org.openstreetmap.josm.gui.widgets.ListPopupMenu; 079import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher; 080import org.openstreetmap.josm.spi.preferences.Config; 081import org.openstreetmap.josm.tools.ImageProvider; 082import org.openstreetmap.josm.tools.InputMapUtils; 083import org.openstreetmap.josm.tools.Shortcut; 084import org.openstreetmap.josm.tools.Utils; 085import org.openstreetmap.josm.tools.bugreport.BugReport; 086 087/** 088 * A small tool dialog for displaying the current selection. 089 * @since 8 090 */ 091public class SelectionListDialog extends ToggleDialog { 092 private JList<OsmPrimitive> lstPrimitives; 093 private final DefaultListSelectionModel selectionModel = new DefaultListSelectionModel(); 094 private final SelectionListModel model = new SelectionListModel(selectionModel); 095 096 private final SelectAction actSelect = new SelectAction(); 097 private final SearchAction actSearch = new SearchAction(); 098 private final ShowHistoryAction actShowHistory = new ShowHistoryAction(); 099 private final ZoomToJOSMSelectionAction actZoomToJOSMSelection = new ZoomToJOSMSelectionAction(); 100 private final ZoomToListSelection actZoomToListSelection = new ZoomToListSelection(); 101 102 /** the popup menu and its handler */ 103 private final ListPopupMenu popupMenu; 104 private final transient PopupMenuHandler popupMenuHandler; 105 106 /** 107 * Builds the content panel for this dialog 108 */ 109 protected void buildContentPanel() { 110 lstPrimitives = new JList<>(model); 111 lstPrimitives.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); 112 lstPrimitives.setSelectionModel(selectionModel); 113 lstPrimitives.setCellRenderer(new PrimitiveRenderer()); 114 lstPrimitives.setTransferHandler(new SelectionTransferHandler()); 115 if (!GraphicsEnvironment.isHeadless()) { 116 lstPrimitives.setDragEnabled(true); 117 } 118 119 lstPrimitives.getSelectionModel().addListSelectionListener(actSelect); 120 lstPrimitives.getSelectionModel().addListSelectionListener(actShowHistory); 121 122 // the select action 123 final SideButton selectButton = new SideButton(actSelect); 124 selectButton.createArrow(e -> SelectionHistoryPopup.launch(selectButton, model.getSelectionHistory())); 125 126 // the search button 127 final SideButton searchButton = new SideButton(actSearch); 128 searchButton.createArrow(e -> SearchPopupMenu.launch(searchButton), true); 129 130 createLayout(lstPrimitives, true, Arrays.asList( 131 selectButton, searchButton, new SideButton(actShowHistory) 132 )); 133 } 134 135 @Override 136 public void destroy() { 137 lstPrimitives.setTransferHandler(null); 138 super.destroy(); 139 } 140 141 /** 142 * Constructs a new {@code SelectionListDialog}. 143 */ 144 public SelectionListDialog() { 145 super(tr("Selection"), "selectionlist", tr("Open a selection list window."), 146 Shortcut.registerShortcut("subwindow:selection", tr("Toggle: {0}", 147 tr("Current Selection")), KeyEvent.VK_T, Shortcut.ALT_SHIFT), 148 150, // default height 149 true // default is "show dialog" 150 ); 151 152 buildContentPanel(); 153 model.addListDataListener(new TitleUpdater()); 154 model.addListDataListener(actZoomToJOSMSelection); 155 156 popupMenu = new ListPopupMenu(lstPrimitives); 157 popupMenuHandler = setupPopupMenuHandler(); 158 159 lstPrimitives.addListSelectionListener(e -> { 160 actZoomToListSelection.valueChanged(e); 161 popupMenuHandler.setPrimitives(model.getSelected()); 162 }); 163 164 lstPrimitives.addMouseListener(new MouseEventHandler()); 165 166 InputMapUtils.addEnterAction(lstPrimitives, actZoomToListSelection); 167 } 168 169 @Override 170 public void showNotify() { 171 SelectionEventManager.getInstance().addSelectionListenerForEdt(actShowHistory); 172 SelectionEventManager.getInstance().addSelectionListenerForEdt(model); 173 DatasetEventManager.getInstance().addDatasetListener(model, FireMode.IN_EDT); 174 MainApplication.getLayerManager().addActiveLayerChangeListener(actSearch); 175 // editLayerChanged also gets the selection history of the level. Listener calls setJOSMSelection when fired. 176 MainApplication.getLayerManager().addAndFireActiveLayerChangeListener(model); 177 actSearch.updateEnabledState(); 178 } 179 180 @Override 181 public void hideNotify() { 182 MainApplication.getLayerManager().removeActiveLayerChangeListener(actSearch); 183 MainApplication.getLayerManager().removeActiveLayerChangeListener(model); 184 SelectionEventManager.getInstance().removeSelectionListener(actShowHistory); 185 SelectionEventManager.getInstance().removeSelectionListener(model); 186 DatasetEventManager.getInstance().removeDatasetListener(model); 187 } 188 189 /** 190 * Responds to double clicks on the list of selected objects and launches the popup menu 191 */ 192 class MouseEventHandler extends PopupMenuLauncher { 193 private final HighlightHelper helper = new HighlightHelper(); 194 private final boolean highlightEnabled = Config.getPref().getBoolean("draw.target-highlight", true); 195 196 MouseEventHandler() { 197 super(popupMenu); 198 } 199 200 @Override 201 public void mouseClicked(MouseEvent e) { 202 int idx = lstPrimitives.locationToIndex(e.getPoint()); 203 if (idx < 0) return; 204 if (isDoubleClick(e)) { 205 DataSet ds = MainApplication.getLayerManager().getActiveDataSet(); 206 if (ds == null) return; 207 OsmPrimitive osm = model.getElementAt(idx); 208 Collection<OsmPrimitive> sel = ds.getSelected(); 209 if (sel.size() != 1 || !sel.iterator().next().equals(osm)) { 210 // Select primitive if it's not the whole current selection 211 ds.setSelected(Collections.singleton(osm)); 212 } else if (osm instanceof Relation) { 213 // else open relation editor if applicable 214 EditRelationAction.launchEditor((Relation) osm); 215 } 216 } else if (highlightEnabled && MainApplication.isDisplayingMapView() && helper.highlightOnly(model.getElementAt(idx))) { 217 MainApplication.getMap().mapView.repaint(); 218 } 219 } 220 221 @Override 222 public void mouseExited(MouseEvent me) { 223 if (highlightEnabled) helper.clear(); 224 super.mouseExited(me); 225 } 226 } 227 228 private PopupMenuHandler setupPopupMenuHandler() { 229 PopupMenuHandler handler = new PopupMenuHandler(popupMenu); 230 handler.addAction(actZoomToJOSMSelection); 231 handler.addAction(actZoomToListSelection); 232 handler.addSeparator(); 233 return RelationPopupMenus.setupHandler(handler); 234 } 235 236 /** 237 * Replies the popup menu handler. 238 * @return The popup menu handler 239 */ 240 public PopupMenuHandler getPopupMenuHandler() { 241 return popupMenuHandler; 242 } 243 244 /** 245 * Replies the selected OSM primitives. 246 * @return The selected OSM primitives 247 */ 248 public Collection<OsmPrimitive> getSelectedPrimitives() { 249 return model.getSelected(); 250 } 251 252 /** 253 * Updates the dialog title with a summary of the current JOSM selection 254 */ 255 class TitleUpdater implements ListDataListener { 256 protected void updateTitle() { 257 setTitle(model.getJOSMSelectionSummary()); 258 } 259 260 @Override 261 public void contentsChanged(ListDataEvent e) { 262 updateTitle(); 263 } 264 265 @Override 266 public void intervalAdded(ListDataEvent e) { 267 updateTitle(); 268 } 269 270 @Override 271 public void intervalRemoved(ListDataEvent e) { 272 updateTitle(); 273 } 274 } 275 276 /** 277 * Launches the search dialog 278 */ 279 static class SearchAction extends AbstractAction implements ActiveLayerChangeListener { 280 /** 281 * Constructs a new {@code SearchAction}. 282 */ 283 SearchAction() { 284 putValue(NAME, tr("Search")); 285 putValue(SHORT_DESCRIPTION, tr("Search for objects")); 286 new ImageProvider("dialogs", "search").getResource().attachImageIcon(this, true); 287 updateEnabledState(); 288 } 289 290 @Override 291 public void actionPerformed(ActionEvent e) { 292 if (!isEnabled()) return; 293 org.openstreetmap.josm.actions.search.SearchAction.search(); 294 } 295 296 protected void updateEnabledState() { 297 setEnabled(MainApplication.getLayerManager().getActiveData() != null); 298 } 299 300 @Override 301 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) { 302 updateEnabledState(); 303 } 304 } 305 306 /** 307 * Sets the current JOSM selection to the OSM primitives selected in the list 308 * of this dialog 309 */ 310 class SelectAction extends AbstractSelectAction implements ListSelectionListener { 311 /** 312 * Constructs a new {@code SelectAction}. 313 */ 314 SelectAction() { 315 updateEnabledState(); 316 } 317 318 @Override 319 public void actionPerformed(ActionEvent e) { 320 Collection<OsmPrimitive> sel = model.getSelected(); 321 if (sel.isEmpty()) return; 322 OsmData<?, ?, ?, ?> ds = MainApplication.getLayerManager().getActiveData(); 323 if (ds == null) return; 324 ds.setSelected(sel); 325 model.selectionModel.setSelectionInterval(0, sel.size()-1); 326 } 327 328 protected void updateEnabledState() { 329 setEnabled(!model.isSelectionEmpty()); 330 } 331 332 @Override 333 public void valueChanged(ListSelectionEvent e) { 334 updateEnabledState(); 335 } 336 } 337 338 /** 339 * The action for showing history information of the current history item. 340 */ 341 class ShowHistoryAction extends AbstractAction implements ListSelectionListener, DataSelectionListener { 342 /** 343 * Constructs a new {@code ShowHistoryAction}. 344 */ 345 ShowHistoryAction() { 346 putValue(NAME, tr("History")); 347 putValue(SHORT_DESCRIPTION, tr("Display the history of the selected objects.")); 348 new ImageProvider("dialogs", "history").getResource().attachImageIcon(this, true); 349 updateEnabledState(model.getSize()); 350 } 351 352 @Override 353 public void actionPerformed(ActionEvent e) { 354 Collection<OsmPrimitive> sel = model.getSelected(); 355 if (sel.isEmpty() && model.getSize() != 1) { 356 return; 357 } else if (sel.isEmpty()) { 358 sel = Collections.singleton(model.getElementAt(0)); 359 } 360 HistoryBrowserDialogManager.getInstance().showHistory(sel); 361 } 362 363 protected void updateEnabledState(int osmSelectionSize) { 364 // See #10830 - allow to click on history button is a single object is selected, even if not selected again in the list 365 setEnabled(!model.isSelectionEmpty() || osmSelectionSize == 1); 366 } 367 368 @Override 369 public void valueChanged(ListSelectionEvent e) { 370 updateEnabledState(model.getSize()); 371 } 372 373 @Override 374 public void selectionChanged(SelectionChangeEvent event) { 375 updateEnabledState(event.getSelection().size()); 376 } 377 } 378 379 /** 380 * The action for zooming to the primitives in the current JOSM selection 381 * 382 */ 383 class ZoomToJOSMSelectionAction extends AbstractAction implements ListDataListener { 384 385 ZoomToJOSMSelectionAction() { 386 putValue(NAME, tr("Zoom to selection")); 387 putValue(SHORT_DESCRIPTION, tr("Zoom to selection")); 388 new ImageProvider("dialogs/autoscale", "selection").getResource().attachImageIcon(this, true); 389 updateEnabledState(); 390 } 391 392 @Override 393 public void actionPerformed(ActionEvent e) { 394 AutoScaleAction.autoScale(AutoScaleMode.SELECTION); 395 } 396 397 public void updateEnabledState() { 398 setEnabled(model.getSize() > 0); 399 } 400 401 @Override 402 public void contentsChanged(ListDataEvent e) { 403 updateEnabledState(); 404 } 405 406 @Override 407 public void intervalAdded(ListDataEvent e) { 408 updateEnabledState(); 409 } 410 411 @Override 412 public void intervalRemoved(ListDataEvent e) { 413 updateEnabledState(); 414 } 415 } 416 417 /** 418 * The action for zooming to the primitives which are currently selected in 419 * the list displaying the JOSM selection 420 * 421 */ 422 class ZoomToListSelection extends AbstractAction implements ListSelectionListener { 423 /** 424 * Constructs a new {@code ZoomToListSelection}. 425 */ 426 ZoomToListSelection() { 427 putValue(NAME, tr("Zoom to selected element(s)")); 428 putValue(SHORT_DESCRIPTION, tr("Zoom to selected element(s)")); 429 new ImageProvider("dialogs/autoscale", "selection").getResource().attachImageIcon(this, true); 430 updateEnabledState(); 431 } 432 433 @Override 434 public void actionPerformed(ActionEvent e) { 435 BoundingXYVisitor v = new BoundingXYVisitor(); 436 Collection<OsmPrimitive> sel = model.getSelected(); 437 if (sel.isEmpty()) return; 438 v.computeBoundingBox(sel); 439 if (v.getBounds() == null) 440 return; 441 MainApplication.getMap().mapView.zoomTo(v); 442 } 443 444 protected void updateEnabledState() { 445 setEnabled(!model.isSelectionEmpty()); 446 } 447 448 @Override 449 public void valueChanged(ListSelectionEvent e) { 450 updateEnabledState(); 451 } 452 } 453 454 /** 455 * The list model for the list of OSM primitives in the current JOSM selection. 456 * 457 * The model also maintains a history of the last {@link SelectionListModel#SELECTION_HISTORY_SIZE} 458 * JOSM selection. 459 * 460 */ 461 static class SelectionListModel extends AbstractListModel<OsmPrimitive> 462 implements ActiveLayerChangeListener, DataSelectionListener, DataSetListener { 463 464 private static final int SELECTION_HISTORY_SIZE = 10; 465 466 // Variable to store history from currentDataSet() 467 private LinkedList<Collection<? extends OsmPrimitive>> history; 468 private final transient List<OsmPrimitive> selection = new ArrayList<>(); 469 private final DefaultListSelectionModel selectionModel; 470 471 /** 472 * Constructor 473 * @param selectionModel the selection model used in the list 474 */ 475 SelectionListModel(DefaultListSelectionModel selectionModel) { 476 this.selectionModel = selectionModel; 477 } 478 479 /** 480 * Replies a summary of the current JOSM selection 481 * 482 * @return a summary of the current JOSM selection 483 */ 484 public synchronized String getJOSMSelectionSummary() { 485 if (selection.isEmpty()) return tr("Selection"); 486 int numNodes = 0; 487 int numWays = 0; 488 int numRelations = 0; 489 for (OsmPrimitive p: selection) { 490 switch(p.getType()) { 491 case NODE: numNodes++; break; 492 case WAY: numWays++; break; 493 case RELATION: numRelations++; break; 494 default: throw new AssertionError(); 495 } 496 } 497 return tr("Sel.: Rel.:{0} / Ways:{1} / Nodes:{2}", numRelations, numWays, numNodes); 498 } 499 500 /** 501 * Remembers a JOSM selection the history of JOSM selections 502 * 503 * @param selection the JOSM selection. Ignored if null or empty. 504 */ 505 public void remember(Collection<? extends OsmPrimitive> selection) { 506 if (selection == null) return; 507 if (selection.isEmpty()) return; 508 if (history == null) return; 509 if (history.isEmpty()) { 510 history.add(selection); 511 return; 512 } 513 if (history.getFirst().equals(selection)) return; 514 history.addFirst(selection); 515 for (int i = 1; i < history.size(); ++i) { 516 if (history.get(i).equals(selection)) { 517 history.remove(i); 518 break; 519 } 520 } 521 int maxsize = Config.getPref().getInt("select.history-size", SELECTION_HISTORY_SIZE); 522 while (history.size() > maxsize) { 523 history.removeLast(); 524 } 525 } 526 527 /** 528 * Replies the history of JOSM selections 529 * 530 * @return history of JOSM selections 531 */ 532 public List<Collection<? extends OsmPrimitive>> getSelectionHistory() { 533 return history; 534 } 535 536 @Override 537 public synchronized OsmPrimitive getElementAt(int index) { 538 return selection.get(index); 539 } 540 541 @Override 542 public synchronized int getSize() { 543 return selection.size(); 544 } 545 546 /** 547 * Determines if no OSM primitives are currently selected. 548 * @return {@code true} if no OSM primitives are currently selected 549 * @since 10383 550 */ 551 public boolean isSelectionEmpty() { 552 return selectionModel.isSelectionEmpty(); 553 } 554 555 /** 556 * Replies the collection of OSM primitives currently selected in the view of this model 557 * 558 * @return chosen elements in the view 559 */ 560 public synchronized Collection<OsmPrimitive> getSelected() { 561 Set<OsmPrimitive> sel = new HashSet<>(); 562 for (int i = 0; i < getSize(); i++) { 563 if (selectionModel.isSelectedIndex(i)) { 564 sel.add(selection.get(i)); 565 } 566 } 567 return sel; 568 } 569 570 /** 571 * Sets the OSM primitives to be selected in the view of this model 572 * 573 * @param sel the collection of primitives to select 574 */ 575 public synchronized void setSelected(Collection<OsmPrimitive> sel) { 576 selectionModel.setValueIsAdjusting(true); 577 selectionModel.clearSelection(); 578 if (sel != null) { 579 for (OsmPrimitive p: sel) { 580 int i = selection.indexOf(p); 581 if (i >= 0) { 582 selectionModel.addSelectionInterval(i, i); 583 } 584 } 585 } 586 selectionModel.setValueIsAdjusting(false); 587 } 588 589 @Override 590 protected void fireContentsChanged(Object source, int index0, int index1) { 591 Collection<OsmPrimitive> sel = getSelected(); 592 super.fireContentsChanged(source, index0, index1); 593 setSelected(sel); 594 } 595 596 /** 597 * Sets the collection of currently selected OSM objects 598 * 599 * @param selection the collection of currently selected OSM objects 600 */ 601 public void setJOSMSelection(final Collection<? extends OsmPrimitive> selection) { 602 synchronized (this) { 603 this.selection.clear(); 604 if (selection != null) { 605 this.selection.addAll(selection); 606 sort(); 607 } 608 } 609 GuiHelper.runInEDTAndWait(new Runnable() { 610 @Override public void run() { 611 fireContentsChanged(this, 0, getSize()); 612 if (selection != null) { 613 remember(selection); 614 } 615 } 616 }); 617 } 618 619 /** 620 * Triggers a refresh of the view for all primitives in {@code toUpdate} 621 * which are currently displayed in the view 622 * 623 * @param toUpdate the collection of primitives to update 624 */ 625 public synchronized void update(Collection<? extends OsmPrimitive> toUpdate) { 626 if (toUpdate == null) return; 627 if (toUpdate.isEmpty()) return; 628 Collection<OsmPrimitive> sel = getSelected(); 629 for (OsmPrimitive p: toUpdate) { 630 int i = selection.indexOf(p); 631 if (i >= 0) { 632 super.fireContentsChanged(this, i, i); 633 } 634 } 635 setSelected(sel); 636 } 637 638 /** 639 * Sorts the current elements in the selection 640 */ 641 public synchronized void sort() { 642 int size = selection.size(); 643 if (size > 1 && size <= Config.getPref().getInt("selection.no_sort_above", 100_000)) { 644 boolean quick = size > Config.getPref().getInt("selection.fast_sort_above", 10_000); 645 Comparator<OsmPrimitive> c = Config.getPref().getBoolean("selection.sort_relations_before_ways", true) 646 ? OsmPrimitiveComparator.orderingRelationsWaysNodes() 647 : OsmPrimitiveComparator.orderingWaysRelationsNodes(); 648 try { 649 selection.sort(c.thenComparing(quick 650 ? OsmPrimitiveComparator.comparingUniqueId() 651 : OsmPrimitiveComparator.comparingNames())); 652 } catch (IllegalArgumentException e) { 653 throw BugReport.intercept(e).put("size", size).put("quick", quick).put("selection", selection); 654 } 655 } 656 } 657 658 /* ------------------------------------------------------------------------ */ 659 /* interface ActiveLayerChangeListener */ 660 /* ------------------------------------------------------------------------ */ 661 @Override 662 public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) { 663 DataSet newData = e.getSource().getEditDataSet(); 664 if (newData == null) { 665 setJOSMSelection(null); 666 history = null; 667 } else { 668 history = newData.getSelectionHistory(); 669 setJOSMSelection(newData.getAllSelected()); 670 } 671 } 672 673 /* ------------------------------------------------------------------------ */ 674 /* interface DataSelectionListener */ 675 /* ------------------------------------------------------------------------ */ 676 @Override 677 public void selectionChanged(SelectionChangeEvent event) { 678 setJOSMSelection(event.getSelection()); 679 } 680 681 /* ------------------------------------------------------------------------ */ 682 /* interface DataSetListener */ 683 /* ------------------------------------------------------------------------ */ 684 @Override 685 public void dataChanged(DataChangedEvent event) { 686 // refresh the whole list 687 fireContentsChanged(this, 0, getSize()); 688 } 689 690 @Override 691 public void nodeMoved(NodeMovedEvent event) { 692 // may influence the display name of primitives, update the data 693 update(event.getPrimitives()); 694 } 695 696 @Override 697 public void otherDatasetChange(AbstractDatasetChangedEvent event) { 698 // may influence the display name of primitives, update the data 699 update(event.getPrimitives()); 700 } 701 702 @Override 703 public void relationMembersChanged(RelationMembersChangedEvent event) { 704 // may influence the display name of primitives, update the data 705 update(event.getPrimitives()); 706 } 707 708 @Override 709 public void tagsChanged(TagsChangedEvent event) { 710 // may influence the display name of primitives, update the data 711 update(event.getPrimitives()); 712 } 713 714 @Override 715 public void wayNodesChanged(WayNodesChangedEvent event) { 716 // may influence the display name of primitives, update the data 717 update(event.getPrimitives()); 718 } 719 720 @Override 721 public void primitivesAdded(PrimitivesAddedEvent event) { 722 /* ignored - handled by SelectionChangeListener */ 723 } 724 725 @Override 726 public void primitivesRemoved(PrimitivesRemovedEvent event) { 727 /* ignored - handled by SelectionChangeListener*/ 728 } 729 } 730 731 /** 732 * A specialized {@link JMenuItem} for presenting one entry of the search history 733 * 734 * @author Jan Peter Stotz 735 */ 736 protected static class SearchMenuItem extends JMenuItem implements ActionListener { 737 protected final transient SearchSetting s; 738 739 public SearchMenuItem(SearchSetting s) { 740 super(Utils.shortenString(s.toString(), 741 org.openstreetmap.josm.actions.search.SearchAction.MAX_LENGTH_SEARCH_EXPRESSION_DISPLAY)); 742 this.s = s; 743 addActionListener(this); 744 } 745 746 @Override 747 public void actionPerformed(ActionEvent e) { 748 org.openstreetmap.josm.actions.search.SearchAction.searchWithoutHistory(s); 749 } 750 } 751 752 /** 753 * The popup menu for the search history entries 754 * 755 */ 756 protected static class SearchPopupMenu extends JPopupMenu { 757 public static void launch(Component parent) { 758 if (org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory().isEmpty()) 759 return; 760 if (parent.isShowing()) { 761 JPopupMenu menu = new SearchPopupMenu(); 762 Rectangle r = parent.getBounds(); 763 menu.show(parent, r.x, r.y + r.height); 764 } 765 } 766 767 /** 768 * Constructs a new {@code SearchPopupMenu}. 769 */ 770 public SearchPopupMenu() { 771 for (SearchSetting ss: org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory()) { 772 add(new SearchMenuItem(ss)); 773 } 774 } 775 } 776 777 /** 778 * A specialized {@link JMenuItem} for presenting one entry of the selection history 779 * 780 * @author Jan Peter Stotz 781 */ 782 protected static class SelectionMenuItem extends JMenuItem implements ActionListener { 783 protected transient Collection<? extends OsmPrimitive> sel; 784 785 public SelectionMenuItem(Collection<? extends OsmPrimitive> sel) { 786 this.sel = sel; 787 int ways = 0; 788 int nodes = 0; 789 int relations = 0; 790 for (OsmPrimitive o : sel) { 791 if (!o.isSelectable()) continue; // skip unselectable primitives 792 if (o instanceof Way) { 793 ways++; 794 } else if (o instanceof Node) { 795 nodes++; 796 } else if (o instanceof Relation) { 797 relations++; 798 } 799 } 800 StringBuilder text = new StringBuilder(); 801 if (ways != 0) { 802 text.append(text.length() > 0 ? ", " : "") 803 .append(trn("{0} way", "{0} ways", ways, ways)); 804 } 805 if (nodes != 0) { 806 text.append(text.length() > 0 ? ", " : "") 807 .append(trn("{0} node", "{0} nodes", nodes, nodes)); 808 } 809 if (relations != 0) { 810 text.append(text.length() > 0 ? ", " : "") 811 .append(trn("{0} relation", "{0} relations", relations, relations)); 812 } 813 if (ways + nodes + relations == 0) { 814 text.append(tr("Unselectable now")); 815 this.sel = new ArrayList<>(); // empty selection 816 } 817 DefaultNameFormatter df = DefaultNameFormatter.getInstance(); 818 if (ways + nodes + relations == 1) { 819 text.append(": "); 820 for (OsmPrimitive o : sel) { 821 text.append(o.getDisplayName(df)); 822 } 823 setText(text.toString()); 824 } else { 825 setText(tr("Selection: {0}", text)); 826 } 827 addActionListener(this); 828 } 829 830 @Override 831 public void actionPerformed(ActionEvent e) { 832 MainApplication.getLayerManager().getActiveDataSet().setSelected(sel); 833 } 834 } 835 836 /** 837 * The popup menu for the JOSM selection history entries 838 */ 839 protected static class SelectionHistoryPopup extends JPopupMenu { 840 public static void launch(Component parent, Collection<Collection<? extends OsmPrimitive>> history) { 841 if (history == null || history.isEmpty()) return; 842 if (parent.isShowing()) { 843 JPopupMenu menu = new SelectionHistoryPopup(history); 844 Rectangle r = parent.getBounds(); 845 menu.show(parent, r.x, r.y + r.height); 846 } 847 } 848 849 public SelectionHistoryPopup(Collection<Collection<? extends OsmPrimitive>> history) { 850 for (Collection<? extends OsmPrimitive> sel : history) { 851 add(new SelectionMenuItem(sel)); 852 } 853 } 854 } 855 856 /** 857 * A transfer handler class for drag-and-drop support. 858 */ 859 protected class SelectionTransferHandler extends TransferHandler { 860 861 @Override 862 public int getSourceActions(JComponent c) { 863 return COPY; 864 } 865 866 @Override 867 protected Transferable createTransferable(JComponent c) { 868 return new PrimitiveTransferable(PrimitiveTransferData.getData(getSelectedPrimitives())); 869 } 870 } 871}