MoveSquareDownAction.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2015 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.action;

import net.sf.gridarta.gui.panel.selectedsquare.SelectedSquareModel;
import net.sf.gridarta.model.archetype.Archetype;
import net.sf.gridarta.model.gameobject.GameObject;
import net.sf.gridarta.model.maparchobject.MapArchObject;
import net.sf.gridarta.model.mapmanager.MapManager;
import net.sf.gridarta.model.mapmodel.MapModel;
import net.sf.gridarta.model.mapmodel.MapSquare;
import net.sf.japi.swing.action.ActionMethod;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

public class MoveSquareDownAction<G extends GameObject<G, A, R>, A extends MapArchObject<A>, R extends Archetype<G, A, R>> extends AbstractMoveSquareAction<G, A, R> {

    public MoveSquareDownAction(@NotNull final SelectedSquareModel<G, A, R> selectedSquareModel, @Nullable final MapManager<G, A, R> mapManager) {
        super(selectedSquareModel, mapManager);
    }

    @ActionMethod
    public void moveSquareDown() {
        doAction(true);
    }

    @Override
    protected boolean doAction(final boolean performAction, @Nullable final G gameObject) {
        if (gameObject == null || !gameObject.isHead() || gameObject.isBottom()) {
            return false;
        }

        if (performAction) {
            final MapSquare<G, A, R> mapSquare = gameObject.getMapSquare();
            assert mapSquare != null;
            final MapModel<G, A, R> mapModel = mapSquare.getMapModel();
            mapModel.beginTransaction("Move Down");
            try {
                gameObject.moveDown();
            } finally {
                mapModel.endTransaction();
            }
        }

        return true;
    }

}