// License: GPL. For details, see LICENSE file. package org.openstreetmap.josm.gui.dialogs; import static org.openstreetmap.josm.tools.I18n.marktr; import static org.openstreetmap.josm.tools.I18n.tr; import static org.openstreetmap.josm.tools.I18n.trn; import java.awt.Component; import java.awt.GraphicsEnvironment; import java.awt.Rectangle; import java.awt.datatransfer.Transferable; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; import java.awt.event.KeyEvent; import java.awt.event.MouseEvent; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.LinkedList; import java.util.List; import java.util.stream.Collectors; import java.util.stream.IntStream; import javax.swing.AbstractAction; import javax.swing.AbstractListModel; import javax.swing.DefaultListSelectionModel; import javax.swing.JComponent; import javax.swing.JList; import javax.swing.JMenuItem; import javax.swing.JPopupMenu; import javax.swing.ListSelectionModel; import javax.swing.TransferHandler; import javax.swing.event.ListDataEvent; import javax.swing.event.ListDataListener; import javax.swing.event.ListSelectionEvent; import javax.swing.event.ListSelectionListener; import javax.swing.event.PopupMenuEvent; import org.openstreetmap.josm.actions.AbstractSelectAction; import org.openstreetmap.josm.actions.AbstractShowHistoryAction; import org.openstreetmap.josm.actions.AutoScaleAction; import org.openstreetmap.josm.actions.AutoScaleAction.AutoScaleMode; import org.openstreetmap.josm.actions.relation.EditRelationAction; import org.openstreetmap.josm.data.osm.DataSelectionListener; import org.openstreetmap.josm.data.osm.DataSet; import org.openstreetmap.josm.data.osm.DefaultNameFormatter; import org.openstreetmap.josm.data.osm.Node; import org.openstreetmap.josm.data.osm.OsmData; import org.openstreetmap.josm.data.osm.OsmPrimitive; import org.openstreetmap.josm.data.osm.OsmPrimitiveComparator; import org.openstreetmap.josm.data.osm.Relation; import org.openstreetmap.josm.data.osm.Way; import org.openstreetmap.josm.data.osm.event.AbstractDatasetChangedEvent; import org.openstreetmap.josm.data.osm.event.DataChangedEvent; import org.openstreetmap.josm.data.osm.event.DataSetListener; import org.openstreetmap.josm.data.osm.event.DatasetEventManager; import org.openstreetmap.josm.data.osm.event.DatasetEventManager.FireMode; import org.openstreetmap.josm.data.osm.event.NodeMovedEvent; import org.openstreetmap.josm.data.osm.event.PrimitivesAddedEvent; import org.openstreetmap.josm.data.osm.event.PrimitivesRemovedEvent; import org.openstreetmap.josm.data.osm.event.RelationMembersChangedEvent; import org.openstreetmap.josm.data.osm.event.SelectionEventManager; import org.openstreetmap.josm.data.osm.event.TagsChangedEvent; import org.openstreetmap.josm.data.osm.event.WayNodesChangedEvent; import org.openstreetmap.josm.data.osm.search.SearchSetting; import org.openstreetmap.josm.data.osm.visitor.BoundingXYVisitor; import org.openstreetmap.josm.gui.MainApplication; import org.openstreetmap.josm.gui.PopupMenuHandler; import org.openstreetmap.josm.gui.PrimitiveRenderer; import org.openstreetmap.josm.gui.SideButton; import org.openstreetmap.josm.gui.datatransfer.PrimitiveTransferable; import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTransferData; import org.openstreetmap.josm.gui.dialogs.relation.RelationPopupMenus; import org.openstreetmap.josm.gui.history.HistoryBrowserDialogManager; import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeEvent; import org.openstreetmap.josm.gui.layer.MainLayerManager.ActiveLayerChangeListener; import org.openstreetmap.josm.gui.util.AbstractTag2LinkPopupListener; import org.openstreetmap.josm.gui.util.GuiHelper; import org.openstreetmap.josm.gui.util.HighlightHelper; import org.openstreetmap.josm.gui.util.TableHelper; import org.openstreetmap.josm.gui.widgets.ListPopupMenu; import org.openstreetmap.josm.gui.widgets.PopupMenuLauncher; import org.openstreetmap.josm.spi.preferences.Config; import org.openstreetmap.josm.tools.ImageProvider; import org.openstreetmap.josm.tools.InputMapUtils; import org.openstreetmap.josm.tools.Shortcut; import org.openstreetmap.josm.tools.Utils; import org.openstreetmap.josm.tools.bugreport.BugReport; /** * A small tool dialog for displaying the current selection. * @since 8 */ public class SelectionListDialog extends ToggleDialog { private static final String SELECTION_CASING = marktr("Selection"); private static final String SELECTION = "selection"; private JList lstPrimitives; private final DefaultListSelectionModel selectionModel = new DefaultListSelectionModel(); private final SelectionListModel model = new SelectionListModel(selectionModel); private final SelectAction actSelect = new SelectAction(); private final SearchAction actSearch = new SearchAction(); private final ShowHistoryAction actShowHistory = new ShowHistoryAction(); private final ZoomToJOSMSelectionAction actZoomToJOSMSelection = new ZoomToJOSMSelectionAction(); private final ZoomToListSelection actZoomToListSelection = new ZoomToListSelection(); /** the popup menu and its handler */ private final ListPopupMenu popupMenu; private final transient PopupMenuHandler popupMenuHandler; /** * Builds the content panel for this dialog */ protected void buildContentPanel() { lstPrimitives = new JList<>(model); lstPrimitives.setSelectionMode(ListSelectionModel.MULTIPLE_INTERVAL_SELECTION); lstPrimitives.setSelectionModel(selectionModel); lstPrimitives.setCellRenderer(new PrimitiveRenderer()); lstPrimitives.setTransferHandler(new SelectionTransferHandler()); if (!GraphicsEnvironment.isHeadless()) { lstPrimitives.setDragEnabled(true); } lstPrimitives.getSelectionModel().addListSelectionListener(actSelect); lstPrimitives.getSelectionModel().addListSelectionListener(actShowHistory); // the select action final SideButton selectButton = new SideButton(actSelect); selectButton.createArrow(e -> SelectionHistoryPopup.launch(selectButton, model.getSelectionHistory())); // the search button final SideButton searchButton = new SideButton(actSearch); searchButton.createArrow(e -> SearchPopupMenu.launch(searchButton), true); createLayout(lstPrimitives, true, Arrays.asList( selectButton, searchButton, new SideButton(actShowHistory) )); } @Override public void destroy() { lstPrimitives.setTransferHandler(null); super.destroy(); } /** * Constructs a new {@code SelectionListDialog}. */ public SelectionListDialog() { super(tr(SELECTION_CASING), /* ICON(dialogs/) */ "selectionlist", tr("Open a selection list window."), Shortcut.registerShortcut("subwindow:selection", tr("Windows: {0}", tr(SELECTION_CASING)), KeyEvent.VK_T, Shortcut.ALT_SHIFT), 150, // default height true // default is "show dialog" ); buildContentPanel(); model.addListDataListener(new TitleUpdater()); model.addListDataListener(actZoomToJOSMSelection); popupMenu = new ListPopupMenu(lstPrimitives); popupMenuHandler = setupPopupMenuHandler(); lstPrimitives.addListSelectionListener(e -> { actZoomToListSelection.valueChanged(e); popupMenuHandler.setPrimitives(model.getSelected()); }); lstPrimitives.addMouseListener(new MouseEventHandler()); InputMapUtils.addEnterAction(lstPrimitives, actZoomToListSelection); } @Override public void showNotify() { SelectionEventManager.getInstance().addSelectionListenerForEdt(actShowHistory); SelectionEventManager.getInstance().addSelectionListenerForEdt(model); DatasetEventManager.getInstance().addDatasetListener(model, FireMode.IN_EDT_CONSOLIDATED); MainApplication.getLayerManager().addActiveLayerChangeListener(actSearch); // editLayerChanged also gets the selection history of the level. Listener calls setJOSMSelection when fired. MainApplication.getLayerManager().addAndFireActiveLayerChangeListener(model); actSearch.updateEnabledState(); } @Override public void hideNotify() { MainApplication.getLayerManager().removeActiveLayerChangeListener(actSearch); MainApplication.getLayerManager().removeActiveLayerChangeListener(model); SelectionEventManager.getInstance().removeSelectionListener(actShowHistory); SelectionEventManager.getInstance().removeSelectionListener(model); DatasetEventManager.getInstance().removeDatasetListener(model); } /** * Responds to double clicks on the list of selected objects and launches the popup menu */ class MouseEventHandler extends PopupMenuLauncher { private final HighlightHelper helper = new HighlightHelper(); private final boolean highlightEnabled = Config.getPref().getBoolean("draw.target-highlight", true); MouseEventHandler() { super(popupMenu); } @Override public void mouseClicked(MouseEvent e) { int idx = lstPrimitives.locationToIndex(e.getPoint()); if (idx < 0) return; if (isDoubleClick(e)) { DataSet ds = MainApplication.getLayerManager().getActiveDataSet(); if (ds == null) return; OsmPrimitive osm = model.getElementAt(idx); Collection sel = ds.getSelected(); if (sel.size() != 1 || !sel.iterator().next().equals(osm)) { // Select primitive if it's not the whole current selection ds.setSelected(Collections.singleton(osm)); } else if (osm instanceof Relation) { // else open relation editor if applicable EditRelationAction.launchEditor((Relation) osm); } } else if (highlightEnabled && MainApplication.isDisplayingMapView() && helper.highlightOnly(model.getElementAt(idx))) { MainApplication.getMap().mapView.repaint(); } } @Override public void mouseExited(MouseEvent me) { if (highlightEnabled) helper.clear(); super.mouseExited(me); } } private PopupMenuHandler setupPopupMenuHandler() { PopupMenuHandler handler = new PopupMenuHandler(popupMenu); handler.addAction(actZoomToJOSMSelection); handler.addAction(actZoomToListSelection); handler.addSeparator(); handler.addListener(new AbstractTag2LinkPopupListener() { @Override public void popupMenuWillBecomeVisible(PopupMenuEvent e) { getSelectedPrimitives().forEach(primitive -> primitive.visitKeys((p, key, value) -> addLinks(popupMenu, key, value))); } }); return RelationPopupMenus.setupHandler(handler); } /** * Replies the popup menu handler. * @return The popup menu handler */ public PopupMenuHandler getPopupMenuHandler() { return popupMenuHandler; } /** * Replies the selected OSM primitives. * @return The selected OSM primitives */ public Collection getSelectedPrimitives() { return model.getSelected(); } /** * Updates the dialog title with a summary of the current JOSM selection */ class TitleUpdater implements ListDataListener { protected void updateTitle() { setTitle(model.getJOSMSelectionSummary()); } @Override public void contentsChanged(ListDataEvent e) { updateTitle(); } @Override public void intervalAdded(ListDataEvent e) { updateTitle(); } @Override public void intervalRemoved(ListDataEvent e) { updateTitle(); } } /** * Launches the search dialog */ static class SearchAction extends AbstractAction implements ActiveLayerChangeListener { /** * Constructs a new {@code SearchAction}. */ SearchAction() { putValue(NAME, tr("Search")); putValue(SHORT_DESCRIPTION, tr("Search for objects")); new ImageProvider("dialogs", "search").getResource().attachImageIcon(this, true); updateEnabledState(); } @Override public void actionPerformed(ActionEvent e) { if (!isEnabled()) return; org.openstreetmap.josm.actions.search.SearchAction.search(); } protected void updateEnabledState() { setEnabled(MainApplication.getLayerManager().getActiveData() != null); } @Override public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) { updateEnabledState(); } } /** * Sets the current JOSM selection to the OSM primitives selected in the list * of this dialog */ class SelectAction extends AbstractSelectAction implements ListSelectionListener { /** * Constructs a new {@code SelectAction}. */ SelectAction() { updateEnabledState(); } @Override public void actionPerformed(ActionEvent e) { Collection sel = model.getSelected(); if (sel.isEmpty()) return; OsmData ds = MainApplication.getLayerManager().getActiveData(); if (ds == null) return; ds.setSelected(sel); model.selectionModel.setSelectionInterval(0, sel.size()-1); } protected void updateEnabledState() { setEnabled(!model.isSelectionEmpty()); } @Override public void valueChanged(ListSelectionEvent e) { updateEnabledState(); } } /** * The action for showing history information of the current history item. */ class ShowHistoryAction extends AbstractShowHistoryAction implements ListSelectionListener, DataSelectionListener { /** * Constructs a new {@code ShowHistoryAction}. */ ShowHistoryAction() { super(); updateEnabledState(model.getSize()); } @Override public void actionPerformed(ActionEvent e) { Collection sel = model.getSelected(); if (sel.isEmpty() && model.getSize() != 1) { return; } else if (sel.isEmpty()) { sel = Collections.singleton(model.getElementAt(0)); } HistoryBrowserDialogManager.getInstance().showHistory(sel); } protected void updateEnabledState(int osmSelectionSize) { // See #10830 - allow to click on history button if a single object is selected, even if not selected again in the list setEnabled(!model.isSelectionEmpty() || osmSelectionSize == 1); } @Override public void valueChanged(ListSelectionEvent e) { updateEnabledState(model.getSize()); } @Override public void selectionChanged(SelectionChangeEvent event) { updateEnabledState(event.getSelection().size()); } } /** * The action for zooming to the primitives in the current JOSM selection * */ class ZoomToJOSMSelectionAction extends AbstractAction implements ListDataListener { ZoomToJOSMSelectionAction() { putValue(NAME, tr("Zoom to selection")); putValue(SHORT_DESCRIPTION, tr("Zoom to selection")); new ImageProvider("dialogs/autoscale", SELECTION).getResource().attachImageIcon(this, true); updateEnabledState(); } @Override public void actionPerformed(ActionEvent e) { AutoScaleAction.autoScale(AutoScaleMode.SELECTION); } public void updateEnabledState() { setEnabled(model.getSize() > 0); } @Override public void contentsChanged(ListDataEvent e) { updateEnabledState(); } @Override public void intervalAdded(ListDataEvent e) { updateEnabledState(); } @Override public void intervalRemoved(ListDataEvent e) { updateEnabledState(); } } /** * The action for zooming to the primitives which are currently selected in * the list displaying the JOSM selection * */ class ZoomToListSelection extends AbstractAction implements ListSelectionListener { /** * Constructs a new {@code ZoomToListSelection}. */ ZoomToListSelection() { new ImageProvider("dialogs/autoscale", SELECTION).getResource().attachImageIcon(this, true); updateEnabledState(); } @Override public void actionPerformed(ActionEvent e) { BoundingXYVisitor v = new BoundingXYVisitor(); Collection sel = model.getSelected(); if (sel.isEmpty()) return; v.computeBoundingBox(sel); if (v.getBounds() == null) return; MainApplication.getMap().mapView.zoomTo(v); } protected void updateEnabledState() { String name = trn("Zoom to selected element", "Zoom to selected elements", model.getSelected().size()); putValue(NAME, name); putValue(SHORT_DESCRIPTION, name); setEnabled(!model.isSelectionEmpty()); } @Override public void valueChanged(ListSelectionEvent e) { updateEnabledState(); } } /** * The list model for the list of OSM primitives in the current JOSM selection. *

* The model also maintains a history of the last {@link SelectionListModel#SELECTION_HISTORY_SIZE} * JOSM selection. * */ static class SelectionListModel extends AbstractListModel implements ActiveLayerChangeListener, DataSelectionListener, DataSetListener { private static final int SELECTION_HISTORY_SIZE = 10; // Variable to store history from currentDataSet() private LinkedList> history; private final transient List selection = new ArrayList<>(); private final DefaultListSelectionModel selectionModel; /** * Constructor * @param selectionModel the selection model used in the list */ SelectionListModel(DefaultListSelectionModel selectionModel) { this.selectionModel = selectionModel; } /** * Replies a summary of the current JOSM selection * * @return a summary of the current JOSM selection */ public synchronized String getJOSMSelectionSummary() { if (selection.isEmpty()) return tr(SELECTION_CASING); int numNodes = 0; int numWays = 0; int numRelations = 0; for (OsmPrimitive p: selection) { switch (p.getType()) { case NODE: numNodes++; break; case WAY: numWays++; break; case RELATION: numRelations++; break; default: throw new AssertionError(); } } return tr("Sel.: Rel.:{0} / Ways:{1} / Nodes:{2}", numRelations, numWays, numNodes); } /** * Remembers a JOSM selection the history of JOSM selections * * @param selection the JOSM selection. Ignored if null or empty. */ public void remember(Collection selection) { if (selection == null) return; if (selection.isEmpty()) return; if (history == null) return; if (history.isEmpty()) { history.add(selection); return; } if (history.getFirst().equals(selection)) return; history.addFirst(selection); IntStream.range(1, history.size()) .filter(i -> history.get(i).equals(selection)) .findFirst() .ifPresent(history::remove); int maxsize = Config.getPref().getInt("select.history-size", SELECTION_HISTORY_SIZE); while (history.size() > maxsize) { history.removeLast(); } } /** * Replies the history of JOSM selections * * @return history of JOSM selections */ public List> getSelectionHistory() { return history; } @Override public synchronized OsmPrimitive getElementAt(int index) { return selection.get(index); } @Override public synchronized int getSize() { return selection.size(); } /** * Determines if no OSM primitives are currently selected. * @return {@code true} if no OSM primitives are currently selected * @since 10383 */ public boolean isSelectionEmpty() { return selectionModel.isSelectionEmpty(); } /** * Replies the collection of OSM primitives currently selected in the view of this model * * @return chosen elements in the view */ public synchronized Collection getSelected() { return IntStream.range(0, getSize()) .filter(selectionModel::isSelectedIndex) .mapToObj(selection::get) .collect(Collectors.toSet()); } /** * Sets the OSM primitives to be selected in the view of this model * * @param sel the collection of primitives to select */ public synchronized void setSelected(Collection sel) { TableHelper.setSelectedIndices(selectionModel, sel != null ? sel.stream().mapToInt(selection::indexOf) : IntStream.empty()); } @Override protected void fireContentsChanged(Object source, int index0, int index1) { Collection sel = getSelected(); super.fireContentsChanged(source, index0, index1); setSelected(sel); } /** * Sets the collection of currently selected OSM objects * * @param selection the collection of currently selected OSM objects */ public void setJOSMSelection(final Collection selection) { synchronized (this) { this.selection.clear(); if (selection != null) { this.selection.addAll(selection); sort(); } } GuiHelper.runInEDTAndWait(new Runnable() { @Override public void run() { fireContentsChanged(this, 0, getSize()); if (selection != null) { remember(selection); } } }); } /** * Triggers a refresh of the view for all primitives in {@code toUpdate} * which are currently displayed in the view * * @param toUpdate the collection of primitives to update */ public synchronized void update(Collection toUpdate) { if (toUpdate == null) return; if (toUpdate.isEmpty()) return; Collection sel = getSelected(); for (OsmPrimitive p: toUpdate) { int i = selection.indexOf(p); if (i >= 0) { super.fireContentsChanged(this, i, i); } } setSelected(sel); } /** * Sorts the current elements in the selection */ public synchronized void sort() { if (Config.getPref().getBoolean("selection.no_sort", false)) { return; } int size = selection.size(); if (size > 1 && size <= Config.getPref().getInt("selection.no_sort_above", 100_000)) { boolean quick = size > Config.getPref().getInt("selection.fast_sort_above", 10_000); Comparator c = Config.getPref().getBoolean("selection.sort_relations_before_ways", true) ? OsmPrimitiveComparator.orderingRelationsWaysNodes() : OsmPrimitiveComparator.orderingWaysRelationsNodes(); try { selection.sort(c.thenComparing(quick ? OsmPrimitiveComparator.comparingUniqueId() : OsmPrimitiveComparator.comparingNames())); } catch (IllegalArgumentException e) { throw BugReport.intercept(e).put("size", size).put("quick", quick).put(SELECTION, selection); } } } /* ------------------------------------------------------------------------ */ /* interface ActiveLayerChangeListener */ /* ------------------------------------------------------------------------ */ @Override public void activeOrEditLayerChanged(ActiveLayerChangeEvent e) { DataSet newData = e.getSource().getEditDataSet(); if (newData == null) { setJOSMSelection(null); history = null; } else { history = newData.getSelectionHistory(); setJOSMSelection(newData.getAllSelected()); } } /* ------------------------------------------------------------------------ */ /* interface DataSelectionListener */ /* ------------------------------------------------------------------------ */ @Override public void selectionChanged(SelectionChangeEvent event) { setJOSMSelection(event.getSelection()); } /* ------------------------------------------------------------------------ */ /* interface DataSetListener */ /* ------------------------------------------------------------------------ */ @Override public void dataChanged(DataChangedEvent event) { // refresh the whole list fireContentsChanged(this, 0, getSize()); } @Override public void nodeMoved(NodeMovedEvent event) { // may influence the display name of primitives, update the data update(event.getPrimitives()); } @Override public void otherDatasetChange(AbstractDatasetChangedEvent event) { // may influence the display name of primitives, update the data update(event.getPrimitives()); } @Override public void relationMembersChanged(RelationMembersChangedEvent event) { // may influence the display name of primitives, update the data update(event.getPrimitives()); } @Override public void tagsChanged(TagsChangedEvent event) { // may influence the display name of primitives, update the data update(event.getPrimitives()); } @Override public void wayNodesChanged(WayNodesChangedEvent event) { // may influence the display name of primitives, update the data update(event.getPrimitives()); } @Override public void primitivesAdded(PrimitivesAddedEvent event) { /* ignored - handled by SelectionChangeListener */ } @Override public void primitivesRemoved(PrimitivesRemovedEvent event) { /* ignored - handled by SelectionChangeListener*/ } } /** * A specialized {@link JMenuItem} for presenting one entry of the search history * * @author Jan Peter Stotz */ protected static class SearchMenuItem extends JMenuItem implements ActionListener { protected final transient SearchSetting s; public SearchMenuItem(SearchSetting s) { super(Utils.shortenString(s.toString(), org.openstreetmap.josm.actions.search.SearchAction.MAX_LENGTH_SEARCH_EXPRESSION_DISPLAY)); this.s = s; addActionListener(this); } @Override public void actionPerformed(ActionEvent e) { org.openstreetmap.josm.actions.search.SearchAction.searchStateless(s); } } /** * The popup menu for the search history entries * */ protected static class SearchPopupMenu extends JPopupMenu { public static void launch(Component parent) { if (org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory().isEmpty()) return; if (parent.isShowing()) { JPopupMenu menu = new SearchPopupMenu(); Rectangle r = parent.getBounds(); menu.show(parent, r.x, r.y + r.height); } } /** * Constructs a new {@code SearchPopupMenu}. */ public SearchPopupMenu() { for (SearchSetting ss: org.openstreetmap.josm.actions.search.SearchAction.getSearchHistory()) { add(new SearchMenuItem(ss)); } } } /** * A specialized {@link JMenuItem} for presenting one entry of the selection history * * @author Jan Peter Stotz */ protected static class SelectionMenuItem extends JMenuItem implements ActionListener { protected transient Collection sel; public SelectionMenuItem(Collection sel) { this.sel = sel; int ways = 0; int nodes = 0; int relations = 0; for (OsmPrimitive o : sel) { if (!o.isSelectable()) continue; // skip unselectable primitives if (o instanceof Way) { ways++; } else if (o instanceof Node) { nodes++; } else if (o instanceof Relation) { relations++; } } StringBuilder text = new StringBuilder(); if (ways != 0) { text.append(text.length() > 0 ? ", " : "") .append(trn("{0} way", "{0} ways", ways, ways)); } if (nodes != 0) { text.append(text.length() > 0 ? ", " : "") .append(trn("{0} node", "{0} nodes", nodes, nodes)); } if (relations != 0) { text.append(text.length() > 0 ? ", " : "") .append(trn("{0} relation", "{0} relations", relations, relations)); } if (ways + nodes + relations == 0) { text.append(tr("Unselectable now")); this.sel = new ArrayList<>(); // empty selection } DefaultNameFormatter df = DefaultNameFormatter.getInstance(); if (ways + nodes + relations == 1) { text.append(": "); for (OsmPrimitive o : sel) { text.append(o.getDisplayName(df)); } setText(text.toString()); } else { setText(tr("Selection: {0}", text)); } addActionListener(this); } @Override public void actionPerformed(ActionEvent e) { MainApplication.getLayerManager().getActiveDataSet().setSelected(sel); } } /** * The popup menu for the JOSM selection history entries */ protected static class SelectionHistoryPopup extends JPopupMenu { public static void launch(Component parent, Collection> history) { if (Utils.isEmpty(history)) return; if (parent.isShowing()) { JPopupMenu menu = new SelectionHistoryPopup(history); Rectangle r = parent.getBounds(); menu.show(parent, r.x, r.y + r.height); } } public SelectionHistoryPopup(Collection> history) { for (Collection sel : history) { add(new SelectionMenuItem(sel)); } } } /** * A transfer handler class for drag-and-drop support. */ protected class SelectionTransferHandler extends TransferHandler { @Override public int getSourceActions(JComponent c) { return COPY; } @Override protected Transferable createTransferable(JComponent c) { return new PrimitiveTransferable(PrimitiveTransferData.getData(getSelectedPrimitives())); } } }