001// License: GPL. For details, see LICENSE file.
002package org.openstreetmap.josm.gui.tagging.presets;
003
004import static org.openstreetmap.josm.tools.I18n.tr;
005
006import java.awt.event.ActionEvent;
007import java.awt.event.ActionListener;
008import java.awt.event.KeyEvent;
009import java.util.HashSet;
010import java.util.Set;
011
012import org.openstreetmap.josm.Main;
013import org.openstreetmap.josm.actions.JosmAction;
014import org.openstreetmap.josm.data.osm.OsmPrimitive;
015import org.openstreetmap.josm.gui.ExtendedDialog;
016import org.openstreetmap.josm.tools.Shortcut;
017import org.openstreetmap.josm.tools.Utils;
018
019/**
020 * A dialog that allows to select a preset and then selects all matching OSM objects.
021 * @see org.openstreetmap.josm.gui.tagging.presets.TaggingPresetSearchDialog
022 */
023public final class TaggingPresetSearchPrimitiveDialog extends ExtendedDialog {
024
025    private static TaggingPresetSearchPrimitiveDialog instance;
026
027    private final TaggingPresetSelector selector;
028
029    /**
030     * An action executing {@link TaggingPresetSearchPrimitiveDialog}.
031     */
032    public static class Action extends JosmAction {
033
034        /**
035         * Constructs a new {@link TaggingPresetSearchPrimitiveDialog.Action}.
036         */
037        public Action() {
038            super(tr("Search for objects by preset..."), "dialogs/search", tr("Show preset search dialog"),
039                    Shortcut.registerShortcut("preset:search-objects", tr("Search for objects by preset"), KeyEvent.VK_F3, Shortcut.SHIFT),
040                    false);
041            putValue("toolbar", "presets/search-objects");
042            Main.toolbar.register(this);
043        }
044
045        @Override
046        public void actionPerformed(ActionEvent e) {
047            if (Main.main.hasEditLayer()) {
048                TaggingPresetSearchPrimitiveDialog.getInstance().showDialog();
049            }
050        }
051
052        @Override
053        protected void updateEnabledState() {
054            setEnabled(getEditLayer() != null);
055        }
056    }
057
058    /**
059     * Returns the unique instance of {@code TaggingPresetSearchPrimitiveDialog}.
060     * @return the unique instance of {@code TaggingPresetSearchPrimitiveDialog}.
061     */
062    public static synchronized TaggingPresetSearchPrimitiveDialog getInstance() {
063        if (instance == null) {
064            instance = new TaggingPresetSearchPrimitiveDialog();
065        }
066        return instance;
067    }
068
069    TaggingPresetSearchPrimitiveDialog() {
070        super(Main.parent, tr("Presets"), new String[] {tr("Search"), tr("Cancel")});
071        selector = new TaggingPresetSelector(false, false);
072        setContent(selector, false);
073        selector.setDblClickListener(new ActionListener() {
074            @Override
075            public void actionPerformed(ActionEvent e) {
076                buttonAction(0, null);
077            }
078        });
079    }
080
081    @Override
082    public ExtendedDialog showDialog() {
083        selector.init();
084        super.showDialog();
085        selector.clearSelection();
086        return this;
087    }
088
089    @Override
090    protected void buttonAction(int buttonIndex, ActionEvent evt) {
091        super.buttonAction(buttonIndex, evt);
092        if (buttonIndex == 0) {
093            TaggingPreset preset = selector.getSelectedPresetAndUpdateClassification();
094            if (preset != null) {
095                final Set<OsmPrimitive> matching = new HashSet<>(Utils.filter(Main.main.getCurrentDataSet().allPrimitives(), preset));
096                Main.main.getCurrentDataSet().setSelected(matching);
097            }
098        }
099    }
100}