parametertypecategory.java

著名的开源仿真软件yale

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2002, 2003
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.operator.parameter;

public class ParameterTypeCategory extends ParameterTypeSingle {

    private int defaultValue = 0;
    private String[] categories = new String[0];

    public ParameterTypeCategory(String key, String description, String[] categories, int defaultValue) {
	super(key, description);
	this.categories   = categories;
	this.defaultValue = defaultValue;
    }

    public int getDefault() { return defaultValue; }

    public Object getDefaultValue() { 
	if (defaultValue == -1) {
	    return null;
	} else {
	    return new Integer(defaultValue); 
	}
    }

    public Object checkValue(Object value) {
	String string = (String)value;
	for (int i = 0; i < categories.length; i++) {
	    if (categories[i].equals(string)) {
		return new Integer(i);
	    }	    
	}
	illegalValue(value, categories[defaultValue]);
	return new Integer(defaultValue);
    }

    public String toString(Object value) {
	return categories[((Integer)value).intValue()];
    }

    public String[] getValues() {
	return categories;
    }

    public String getRange() {
	String values = "";
	for (int i = 0; i < categories.length; i++) {
	    if (i > 0) values += ", ";
	    values += categories[i];
	}
	return values + "; default: "+categories[defaultValue];
    }


    public String getCategory(int index) {
	return categories[index];
    }
}