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;
009
010import org.openstreetmap.josm.Main;
011import org.openstreetmap.josm.data.osm.OsmData;
012import org.openstreetmap.josm.gui.MainApplication;
013import org.openstreetmap.josm.gui.dialogs.OsmIdSelectionDialog;
014import org.openstreetmap.josm.gui.history.HistoryBrowserDialogManager;
015import org.openstreetmap.josm.io.OnlineResource;
016import org.openstreetmap.josm.tools.Shortcut;
017
018/**
019 * Display history information about OSM ways, nodes, or relations.
020 * @since 968
021 */
022public class HistoryInfoAction extends JosmAction {
023
024    /**
025     * Constructs a new {@code HistoryInfoAction}.
026     */
027    public HistoryInfoAction() {
028        super(tr("History"), "dialogs/history",
029                tr("Display history information about OSM ways, nodes, or relations."),
030                Shortcut.registerShortcut("core:historyinfo",
031                        tr("History"), KeyEvent.VK_H, Shortcut.CTRL), false);
032        putValue("help", ht("/Action/ObjectHistory"));
033        putValue("toolbar", "action/historyinfo");
034        MainApplication.getToolbar().register(this);
035        setEnabled(true);
036    }
037
038    @Override
039    public void actionPerformed(ActionEvent ae) {
040        OsmData<?, ?, ?, ?> set = getLayerManager().getActiveData();
041        if (set != null && !set.selectionEmpty()) {
042            HistoryBrowserDialogManager.getInstance().showHistory(set.getAllSelected());
043        } else {
044            HistoryObjectIDDialog dialog = new HistoryObjectIDDialog();
045            if (dialog.showDialog().getValue() == dialog.getContinueButtonIndex()) {
046                HistoryBrowserDialogManager.getInstance().showHistory(dialog.getOsmIds());
047            }
048        }
049    }
050
051    /**
052     * Dialog allowing to choose object id if no one is selected.
053     * @since 6448
054     */
055    public static class HistoryObjectIDDialog extends OsmIdSelectionDialog {
056
057        /**
058         * Constructs a new {@code HistoryObjectIDDialog}.
059         */
060        public HistoryObjectIDDialog() {
061            super(Main.parent, tr("Show history"), tr("Show history"), tr("Cancel"));
062            setButtonIcons("dialogs/history", "cancel");
063            init();
064        }
065
066        @Override
067        public void setupDialog() {
068            super.setupDialog();
069            buttons.get(0).setEnabled(!Main.isOffline(OnlineResource.OSM_API));
070        }
071    }
072}