001    /**
002     * Java Gui Builder - A library to build GUIs using an XML file.
003     * Copyright 2002, 2003 (C) François Beausoleil
004     *
005     * This library is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU Lesser General Public
007     * License as published by the Free Software Foundation; either
008     * version 2.1 of the License, or (at your option) any later version.
009     *
010     * This library is distributed in the hope that it will be useful,
011     * but WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013     * Lesser General Public License for more details.
014     *
015     * You should have received a copy of the GNU Lesser General Public
016     * License along with this library; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
018     */
019    
020    package jgb.handlers.swing;
021    
022    import org.xml.sax.SAXException;
023    
024    import javax.swing.*;
025    import java.util.Map;
026    
027    /**
028     * @author Francois Beausoleil, <a href="mailto:fbos@users.sourceforge.net">fbos@users.sourceforge.net</a>
029     */
030    public class RadioTagHandler extends AbstractControlTagHandler {
031        protected void enterElement(Map atts) throws SAXException {
032            JRadioButton radio = new JRadioButton();
033    
034            if (atts.containsKey(ATTR_ID)) {
035                radio.setActionCommand((String)atts.get(ATTR_ID));
036                putComponent((String)atts.get(ATTR_ID), radio);
037            }
038    
039            radio.setText((String)atts.get(ATTR_TEXT));
040            if (atts.containsKey(ATTR_MNEMONIC)) {
041                radio.setMnemonic(((String)atts.get(ATTR_MNEMONIC)).charAt(0));
042            }
043    
044            if (atts.containsKey(ATTR_GROUP)) {
045                String groupName = (String)atts.get(ATTR_GROUP);
046                ButtonGroup group = (ButtonGroup)getObject("radio.groups." + groupName);
047                if (group == null) {
048                    group = new ButtonGroup();
049                    putObject("radio.groups." + groupName, group);
050                }
051    
052                group.add(radio);
053            }
054    
055            if (atts.containsKey(ATTR_SELECTED)
056                    && "true".equals(atts.get(ATTR_SELECTED))) {
057                radio.setSelected(true);
058            }
059    
060            pushCurrentControl(radio, (String)atts.get(ATTR_ID));
061        }
062    
063        protected void exitElement() throws SAXException {
064            popCurrentControl();
065        }
066    
067        protected String getDefaultPackagePrefix() {
068            return null;
069        }
070    }