001    /*
002      Copyright (C) 2001-2002 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.swing;
019    
020    import org.objectweb.jac.aspects.gui.View;
021    import java.awt.Component;
022    
023    /**
024     * This composite viewonly show the last view that was added to it. So
025     * it will never contain more than of view.
026     */
027    public class SingleSlotContainer extends AbstractCompositeView {
028    
029       public SingleSlotContainer() {
030       }
031    
032       public void addView(View view, Object extraInfo) {
033          removeAllViews(true);
034          add((Component)view);
035          view.setParentView(this);
036          validate();
037          repaint();
038       }
039    
040       public void removeView(View view, boolean validate) {
041          super.removeView(view,validate);
042          validate();
043          repaint();
044       }
045    }