ZObCellRepr.java from gzz at Krugle

Show ZObCellRepr.java syntax highlighted

/*   
ZOb.java
 *    
 *    Copyright (c) 2000, Ted Nelson and Tuomas Lukka
 *
 *    This file is part of Gzz.
 *    
 *    Gzz is free software; you can redistribute it and/or modify it under
 *    the terms of the GNU Lesser General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *    
 *    Gzz 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 Lesser General
 *    Public License for more details.
 *    
 *    You should have received a copy of the GNU Lesser General
 *    Public License along with Gzz; if not, write to the Free
 *    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *    MA  02111-1307  USA
 *    
 *
 */
/*
 * Written by Kimmo Wideroos
 */
 
package org.gzigzag.module;
import org.gzigzag.*;
import java.util.*;
import java.awt.*;

/** Absract class for ZObs which are able to be rolled back into the cellstructure.
 */

public abstract class ZObCellRepr {
    private ZZCell _rootcell = null; 
    public ZZCell getCell() { return this._rootcell; }
    public void setCell(ZZCell c) { this._rootcell = c; }

    public String getZObClassName() { 
        String cn = getClass().getName();
        int i = cn.lastIndexOf(".");
        return cn.substring(i+1, cn.length()); 
    }

    abstract String getZObName();

    /** Write the parameters of this ZOb back in the cellstructure.
     *  Returns a string describing the errors encountered, or null if
     *  everything went fine..
     *  @param start    starting cell
     *  @param clone    whether or not to make the new ZOb centralcell a clone
     *                  of the former centralcell (if cells equal, the whole 
     *                  issue is trivial).
     */
    abstract String cellRepr(ZZCell start, boolean clone);

    public String cellRepr() {return cellRepr(getCell(), false); }
}
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