001    /* JAPI - (Yet another (hopefully) useful) Java API
002     *
003     * Copyright (C) 2004-2006 Christian Hujer
004     *
005     * This program is free software; you can redistribute it and/or
006     * modify it under the terms of the GNU General Public License as
007     * published by the Free Software Foundation; either version 2 of the
008     * License, or (at your option) any later version.
009     *
010     * This program is distributed in the hope that it will be useful, but
011     * WITHOUT ANY WARRANTY; without even the implied warranty of
012     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
013     * General Public License for more details.
014     *
015     * You should have received a copy of the GNU General Public License
016     * along with this program; if not, write to the Free Software
017     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
018     * 02111-1307, USA.
019     */
020    
021    package net.sf.japi.swing.font;
022    
023    import java.awt.Component;
024    import java.awt.Font;
025    import static java.awt.Font.BOLD;
026    import static java.awt.Font.ITALIC;
027    import static java.awt.Font.PLAIN;
028    import javax.swing.DefaultListCellRenderer;
029    import javax.swing.JList;
030    import net.sf.japi.swing.ActionFactory;
031    
032    /** ListCellRenderer for font styles.
033     * @author <a href="mailto:chris@riedquat.de">Christian Hujer</a>
034     * @todo improve performance
035     */
036    public class FontStyleListCellRenderer extends DefaultListCellRenderer {
037    
038        /** Serial Version. */
039        private static final long serialVersionUID = 1L;
040    
041        /** Action Factory. */
042        private static final ActionFactory ACTION_FACTORY = ActionFactory.getFactory("net.sf.japi.swing.font");
043    
044        /** {@inheritDoc} */
045        @Override public Component getListCellRendererComponent(final JList list, final Object value, final int index, final boolean isSelected, final boolean cellHasFocus) {
046            final Component c = super.getListCellRendererComponent(list, value, index, isSelected, cellHasFocus);
047            final int style = (Integer) value;
048            setText(getTextFor(style));
049            setFont(getFontFor(style));
050            return c;
051        }
052    
053        /** Get the text representation of a style.
054         * @param style style to get text representation for
055         * @return text representation of style
056         * @todo store values
057         */
058        private static String getTextFor(final int style) {
059            switch (style) {
060                case PLAIN:       return ACTION_FACTORY.getString("font.style.plain");
061                case BOLD:        return ACTION_FACTORY.getString("font.style.bold");
062                case ITALIC:      return ACTION_FACTORY.getString("font.style.italic");
063                case BOLD|ITALIC: return ACTION_FACTORY.getString("font.style.bolditalic");
064                default:          return ACTION_FACTORY.getString("font.style.unknown");
065            }
066        }
067    
068        /** Get the font representation of a style.
069         * @param style style to get font representation for
070         * @return font representation of style
071         */
072        private Font getFontFor(final int style) {
073            switch (style) {
074                case PLAIN:       return getFont().deriveFont(PLAIN);
075                case BOLD:        return getFont().deriveFont(BOLD);
076                case ITALIC:      return getFont().deriveFont(ITALIC);
077                case BOLD|ITALIC: return getFont().deriveFont(BOLD|ITALIC);
078                default:          return getFont().deriveFont(PLAIN);
079            }
080        }
081    
082    } // class FontStyleListCellRenderer