001    /*
002      Copyright (C) 2001-2002 Renaud Pawlak, Laurent Martelli
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, but
010      WITHOUT ANY WARRANTY; without even the implied warranty of
011      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012      Lesser General Public License for more details.
013    
014      You should have received a copy of the GNU Lesser General Public
015      License along with this program; if not, write to the Free Software
016      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
017      USA */
018    
019    package org.objectweb.jac.aspects.gui.swing;
020    
021    import org.objectweb.jac.aspects.gui.FieldView;
022    import org.objectweb.jac.core.rtti.FieldItem;
023    import java.net.URL;
024    import javax.swing.ImageIcon;
025    import javax.swing.JComponent;
026    import javax.swing.JLabel;
027    
028    /**
029     * A Swing viewer component for imageURL values.
030     * @see java.net.URL
031     */
032    public class ImageURLViewer extends AbstractFieldView 
033        implements FieldView
034    {
035        JLabel label = new JLabel();
036       
037        /**
038         * Constructs a new imageURL editor. 
039         */
040        public ImageURLViewer(URL value, Object substance, FieldItem field) {
041            super(substance,field);
042            setValue(value);
043            add(label);
044        }
045    
046        public ImageURLViewer() {
047            add(label);
048        }
049    
050        /**
051         * Sets the value of the edited date.
052         *
053         * @param value an URL
054         */
055        public void setValue(Object value) {
056            if (value!=null)
057                label.setIcon(new ImageIcon((URL)value));
058            else
059                label.setIcon(null);
060        }
061    
062        protected JComponent getComponent() {
063            return label;
064        }
065    }