FindDialogManager.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2023 The Gridarta Developers.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
package net.sf.gridarta.gui.dialog.find;
 
import java.awt.Component;
import net.sf.gridarta.gui.map.mapview.MapView;
import net.sf.gridarta.gui.map.mapview.MapViewManager;
import net.sf.gridarta.gui.map.mapview.MapViewManagerListener;
import net.sf.gridarta.model.archetype.Archetype;
import net.sf.gridarta.model.gameobject.GameObject;
import net.sf.gridarta.model.maparchobject.MapArchObject;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
 
public class FindDialogManager<G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> {
 
    @Nullable
    private FindDialog<G, A, R> instance;
 
    @NotNull
    private final Component parent;
 
    public FindDialogManager(@NotNull final Component parent, @NotNull final MapViewManager<G, A, R> mapViewManager) {
        this.parent = parent;
 
        final MapViewManagerListener<G, A, R> mapViewManagerListener = new MapViewManagerListener<G, A, R>() {
 
            @Override
            public void activeMapViewChanged(@Nullable final MapView<G, A, R> mapView) {
                // ignore
            }
 
            @Override
            public void mapViewCreated(@NotNull final MapView<G, A, R> mapView) {
                // ignore
            }
 
            @Override
            public void mapViewClosing(@NotNull final MapView<G, A, R> mapView) {
                disposeDialog(mapView);
            }
 
        };
        mapViewManager.addMapViewManagerListener(mapViewManagerListener);
    }
 
    private void disposeDialog(@NotNull final MapView<G, A, R> mapView) {
        if (instance != null) {
            instance.dispose(mapView);
        }
    }
 
    public void showDialog(@NotNull final MapView<G, A, R> mapView) {
        if (instance == null) {
            instance = new FindDialog<>(parent);
        }
        instance.display(mapView);
    }
 
    public boolean findNext(@NotNull final MapView<G, A, R> mapView, final boolean performAction) {
        return instance != null && instance.findAgain(mapView, true, performAction);
    }
 
    public boolean findPrev(@NotNull final MapView<G, A, R> mapView, final boolean performAction) {
        return instance != null && instance.findAgain(mapView, false, performAction);
    }
 
}