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 javax.swing.text.JTextComponent;
026    import java.util.Map;
027    
028    public class TextfieldTagHandler extends AbstractControlTagHandler {
029        /**
030         * The name of the rows attribute.
031         */
032        protected static final String ATTR_ROWS = "rows";
033    
034        /**
035         * The name of the columns attribute.
036         */
037        protected static final String ATTR_COLUMNS = "columns";
038    
039        protected void enterElement(Map atts) throws SAXException {
040            JTextComponent textComponent = null;
041            if (atts.containsKey(ATTR_ROWS)) {
042                int numRows = new Integer(atts.get(ATTR_ROWS).toString()).intValue();
043                if (numRows > 1) {
044                    JTextArea area = new JTextArea();
045                    textComponent = area;
046    
047                    area.setRows(numRows);
048                    if (atts.containsKey(ATTR_COLUMNS)) {
049                        area.setColumns(new Integer(atts.get(ATTR_COLUMNS).toString()).intValue());
050                    }
051                }
052            }
053    
054            if (textComponent == null) {
055                JTextField field = new JTextField();
056                textComponent = field;
057                if (atts.containsKey(ATTR_COLUMNS)) {
058                    field.setColumns(new Integer(atts.get(ATTR_COLUMNS).toString()).intValue());
059                }
060            }
061    
062            if (atts.containsKey(ATTR_REFLABEL)) {
063                JLabel referrent = (JLabel)getObject(atts.get(ATTR_REFLABEL).toString());
064                referrent.setLabelFor(textComponent);
065            }
066    
067            if (atts.containsKey(ATTR_TEXT)) {
068                textComponent.setText(atts.get(ATTR_TEXT).toString());
069            }
070    
071            if (atts.containsKey(ATTR_ID)) {
072                putComponent(atts.get(ATTR_ID).toString(), textComponent);
073            }
074    
075            pushCurrentControl(textComponent, (String)atts.get(ATTR_ID));
076        }
077    
078        protected void exitElement() throws SAXException {
079            popCurrentControl();
080        }
081    
082        protected String getDefaultPackagePrefix() {
083            return null;
084        }
085    }