001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.actions;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.awt.event.ActionEvent;
007import java.awt.event.KeyEvent;
008import java.util.Collection;
009import java.util.Collections;
010
011import org.openstreetmap.josm.data.osm.DataSet;
012import org.openstreetmap.josm.data.osm.Node;
013import org.openstreetmap.josm.data.osm.OsmPrimitive;
014import org.openstreetmap.josm.tools.Shortcut;
015import org.openstreetmap.josm.tools.Utils;
016
017public class CopyCoordinatesAction extends JosmAction {
018
019    public CopyCoordinatesAction() {
020        super(tr("Copy Coordinates"), null,
021                tr("Copy coordinates of selected nodes to clipboard."),
022                Shortcut.registerShortcut("copy:coordinates", tr("Edit: {0}", tr("Copy Coordinates")),
023                KeyEvent.VK_C, Shortcut.CTRL_SHIFT),
024                false);
025        putValue("toolbar", "copy/coordinates");
026    }
027
028    @Override
029    public void actionPerformed(ActionEvent ae) {
030        StringBuilder s = new StringBuilder();
031        for (Node n : getSelectedNodes()) {
032            s.append(n.getCoor().lat());
033            s.append(", ");
034            s.append(n.getCoor().lon());
035            s.append('\n');
036        }
037        Utils.copyToClipboard(s.toString().trim());
038    }
039
040    @Override
041    protected void updateEnabledState() {
042        setEnabled(!getSelectedNodes().isEmpty());
043    }
044
045    @Override
046    protected void updateEnabledState(Collection<? extends OsmPrimitive> selection) {
047        updateEnabledState();
048    }
049
050    private Collection<Node> getSelectedNodes() {
051        DataSet ds = getLayerManager().getEditDataSet();
052        if (ds == null || ds.getSelected() == null) {
053            return Collections.emptyList();
054        } else {
055            return Utils.filteredCollection(ds.getSelected(), Node.class);
056        }
057    }
058}