TristateState.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.gui.utils.tristate;

import org.jetbrains.annotations.NotNull;

public enum TristateState {

    DESELECTED {
        @NotNull
        @Override
        public TristateState nextTristateState() {
            return INDETERMINATE;
        }

    },

    INDETERMINATE {
        @NotNull
        @Override
        public TristateState nextTristateState() {
            return SELECTED;
        }

    },

    SELECTED {
        @NotNull
        @Override
        public TristateState nextTristateState() {
            return DESELECTED;
        }

    };

    @NotNull
    public abstract TristateState nextTristateState();

    @NotNull
    public static TristateState getTristateState(final boolean state) {
        return state ? SELECTED : DESELECTED;
    }

}