001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.actions;
003
004import static org.openstreetmap.josm.gui.help.HelpUtil.ht;
005import static org.openstreetmap.josm.tools.I18n.tr;
006
007import java.awt.event.ActionEvent;
008import java.awt.event.KeyEvent;
009import java.util.List;
010
011import org.openstreetmap.josm.Main;
012import org.openstreetmap.josm.data.osm.PrimitiveId;
013import org.openstreetmap.josm.gui.download.DownloadObjectDialog;
014import org.openstreetmap.josm.gui.io.DownloadPrimitivesWithReferrersTask;
015import org.openstreetmap.josm.gui.util.GuiHelper;
016import org.openstreetmap.josm.tools.Shortcut;
017
018/**
019 * Download an OsmPrimitive by specifying type and ID
020 *
021 * @author Matthias Julius
022 */
023public class DownloadPrimitiveAction extends JosmAction {
024
025    /**
026     * Constructs a new {@code DownloadPrimitiveAction}.
027     */
028    public DownloadPrimitiveAction() {
029        super(tr("Download object..."), "downloadprimitive", tr("Download OSM object by ID."),
030                Shortcut.registerShortcut("system:download_primitive", tr("File: {0}", tr("Download object...")),
031                        KeyEvent.VK_O, Shortcut.CTRL_SHIFT), true);
032        putValue("help", ht("/Action/DownloadObject"));
033    }
034
035    @Override
036    public void actionPerformed(ActionEvent e) {
037
038        DownloadObjectDialog dialog = new DownloadObjectDialog();
039        if (dialog.showDialog().getValue() != dialog.getContinueButtonIndex()) return;
040
041        processItems(dialog.isNewLayerRequested(), dialog.getOsmIds(), dialog.isReferrersRequested(), dialog.isFullRelationRequested());
042    }
043
044    /**
045     * @param newLayer if the data should be downloaded into a new layer
046     * @param ids List of primitive id to download
047     * @param downloadReferrers if the referrers of the object should be downloaded as well, i.e., parent relations, and for nodes,
048     * additionally, parent ways
049     * @param full if the members of a relation should be downloaded as well
050     */
051    public static void processItems(boolean newLayer, final List<PrimitiveId> ids, boolean downloadReferrers, boolean full) {
052        final DownloadPrimitivesWithReferrersTask task =
053                new DownloadPrimitivesWithReferrersTask(newLayer, ids, downloadReferrers, full, null, null);
054        Main.worker.submit(task);
055        Main.worker.submit(new Runnable() {
056            @Override
057            public void run() {
058                final List<PrimitiveId> downloaded = task.getDownloadedId();
059                if (downloaded != null) {
060                    GuiHelper.runInEDT(new Runnable() {
061                        @Override
062                        public void run() {
063                            Main.getLayerManager().getEditDataSet().setSelected(downloaded);
064                        }
065                    });
066                }
067            }
068        });
069    }
070}