001    /* PAVLOV -- Multiple Choice Study System
002     * Copyright (C) 2000 - 2004 T.J. Willis
003     * 
004     * This program is free software; you can redistribute it and/or
005     * modify it under the terms of the GNU General Public License
006     * as published by the Free Software Foundation; either version 2
007     * of the 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 General Public License for more details.
013     *          
014     * You should have received a copy of the GNU 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, USA.
017     *  
018     * $Header: /cvsroot/pavlov/net/sourceforge/pavlov/event/QuestionChangedListener.java,v 1.3 2004/05/10 14:51:57 tj_willis Exp $
019     */ 
020    package net.sourceforge.pavlov.event;
021    import net.sourceforge.pavlov.library.Question;
022    import net.sourceforge.pavlov.user.QuestionData;
023    
024    /**
025     * Implemented by classes that want to know when the current question
026     * has changed.
027     *
028     *
029     * @version $Revision: 1.3 $
030     */
031    public interface QuestionChangedListener
032    {
033        /**
034       * Describe <code>questionChanged</code> method here.
035       *
036       * @param aQuestion a <code>Question</code> value
037       * @param aQuestionData a <code>QuestionData</code> value
038       */
039      void questionChanged(Question aQuestion, QuestionData aQuestionData);
040    }