001// License: GPL. For details, see LICENSE file.
002// Author: David Earl
003package org.openstreetmap.josm.actions;
004
005import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
006import static org.openstreetmap.josm.tools.I18n.tr;
007
008import java.awt.event.ActionEvent;
009import java.awt.event.KeyEvent;
010import java.util.Collection;
011
012import org.openstreetmap.josm.data.osm.OsmPrimitive;
013import org.openstreetmap.josm.gui.datatransfer.PrimitiveTransferable;
014import org.openstreetmap.josm.gui.datatransfer.data.PrimitiveTransferData;
015import org.openstreetmap.josm.tools.Shortcut;
016
017/**
018 * An action that duplicates the given nodes. They are not added to the clipboard.
019 */
020public final class DuplicateAction extends AbstractPasteAction {
021
022    /**
023     * Constructs a new {@code DuplicateAction}.
024     */
025    public DuplicateAction() {
026        super(tr("Duplicate"), "duplicate",
027                tr("Duplicate selection."),
028                Shortcut.registerShortcut("system:duplicate", tr("Edit: {0}", tr("Duplicate")), KeyEvent.VK_D, Shortcut.CTRL), true);
029        putValue("help", ht("/Action/Duplicate"));
030    }
031
032    @Override
033    public void actionPerformed(ActionEvent e) {
034        PrimitiveTransferData data = PrimitiveTransferData.getDataWithReferences(getLayerManager().getEditDataSet().getSelected());
035        doPaste(e, new PrimitiveTransferable(data));
036    }
037
038    @Override
039    protected void updateEnabledState() {
040        updateEnabledStateOnCurrentSelection();
041    }
042
043    @Override
044    protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
045        updateEnabledStateOnModifiableSelection(selection);
046    }
047}