GoMapListModel.java

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/*
 * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
 * Copyright (C) 2000-2021 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.gomap;
 
import javax.swing.DefaultListModel;
import net.sf.gridarta.model.mapmodel.MapFile;
 
public class GoMapListModel extends DefaultListModel<MapFile> {
 
    private static final long serialVersionUID = 1L;
 
    private boolean enabled = true;
 
    private int index0;
 
    private int index1;
 
    @Override
    protected void fireIntervalAdded(final Object source, final int index0, final int index1) {
        if (!enabled) {
            if (index0 < this.index0) {
                this.index0 = index0;
            }
            if (index1 > this.index1) {
                this.index1 = index1;
            }
            return;
        }
 
        super.fireIntervalAdded(source, index0, index1);
    }
 
    public void enable(final boolean enabled) {
        if (this.enabled == enabled) {
            return;
        }
 
        this.enabled = enabled;
        if (!enabled) {
            index0 = Integer.MAX_VALUE;
            index1 = Integer.MIN_VALUE;
        } else if (index0 <= index1) {
            super.fireIntervalAdded(this, index0, index1);
        }
    }
 
}