001    /*
002      Copyright (C) 2003 Laurent Martelli <laurent@aopsys.com>
003      
004      This program is free software; you can redistribute it and/or modify
005      it under the terms of the GNU Lesser General Public License as
006      published by the Free Software Foundation; either version 2 of the
007      License, or (at your option) any later version.
008    
009      This program is distributed in the hope that it will be useful,
010      but WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012      GNU Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public License
015      along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
017    
018    package org.objectweb.jac.aspects.gui;
019    
020    public class SortCriteria {
021        int column;
022        boolean ascending;
023        public SortCriteria(int column, boolean ascending) {
024            this.column = column;
025            this.ascending = ascending;
026        }
027        public int getColumn() {
028            return column;
029        }
030        public boolean isAscending() {
031            return ascending;
032        }
033        public void toggleAscending() {
034            ascending = !ascending;
035        }
036    
037        public String toString() {
038            return (ascending?"":"-")+column;
039        }
040    
041        public boolean equals(Object o) {
042            if (!(o instanceof SortCriteria))
043                return false;
044            SortCriteria criteria = (SortCriteria)o;
045            return criteria.column==column && criteria.ascending==ascending;
046        }
047    
048        public int hashCode() {
049            return column ^ (ascending ? 0 : 2^31);
050        }
051    }