001/* ========================================================================
002 * JCommon : a free general purpose class library for the Java(tm) platform
003 * ========================================================================
004 *
005 * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006 * 
007 * Project Info:  http://www.jfree.org/jcommon/index.html
008 *
009 * This library is free software; you can redistribute it and/or modify it 
010 * under the terms of the GNU Lesser General Public License as published by 
011 * the Free Software Foundation; either version 2.1 of the License, or 
012 * (at your option) any later version.
013 *
014 * This library is distributed in the hope that it will be useful, but 
015 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
016 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 
017 * License for more details.
018 *
019 * You should have received a copy of the GNU Lesser General Public
020 * License along with this library; if not, write to the Free Software
021 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 
022 * USA.  
023 *
024 * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 
025 * in the United States and other countries.]
026 * 
027 * ---------------------
028 * FontDisplayField.java
029 * ---------------------
030 * (C) Copyright 2000-2004, by Object Refinery Limited.
031 *
032 * Original Author:  David Gilbert (for Object Refinery Limited);
033 * Contributor(s):   Arnaud Lelievre;
034 *
035 * $Id: FontDisplayField.java,v 1.4 2005/11/16 15:58:41 taqua Exp $
036 *
037 * Changes (from 26-Oct-2001)
038 * ----------------------------------
039 * 26-Oct-2001 : Changed package to com.jrefinery.ui.*;
040 * 14-Oct-2002 : Fixed errors reported by Checkstyle (DG);
041 * 08-Sep-2003 : Added internationalization via use of properties resourceBundle (RFE 690236) (AL);
042 *
043 */
044
045package org.jfree.ui;
046
047import java.awt.Font;
048import java.util.ResourceBundle;
049
050import javax.swing.JTextField;
051
052/**
053 * A field for displaying a font selection.  The display field itself is read-only, to the developer
054 * must provide another mechanism to allow the user to change the font.
055 *
056 * @author David Gilbert
057 */
058public class FontDisplayField extends JTextField {
059
060    /** The current font. */
061    private Font displayFont;
062
063    /** The resourceBundle for the localization. */
064    protected static final ResourceBundle localizationResources = 
065        ResourceBundle.getBundle("org.jfree.ui.LocalizationBundle");
066
067    /**
068     * Standard constructor - builds a FontDescriptionField initialised with the specified font.
069     *
070     * @param font  the font.
071     */
072    public FontDisplayField(final Font font) {
073        super("");
074        setDisplayFont(font);
075        setEnabled(false);
076    }
077
078    /**
079     * Returns the current font.
080     *
081     * @return the font.
082     */
083    public Font getDisplayFont() {
084        return this.displayFont;
085    }
086
087    /**
088     * Sets the font.
089     *
090     * @param font  the font.
091     */
092    public void setDisplayFont(final Font font) {
093        this.displayFont = font;
094        setText(fontToString(this.displayFont));
095    }
096
097    /**
098     * Returns a string representation of the specified font.
099     *
100     * @param font  the font.
101     *
102     * @return a string describing the font.
103     */
104    private String fontToString(final Font font) {
105        if (font != null) {
106            return font.getFontName() + ", " + font.getSize();
107        }
108        else {
109            return localizationResources.getString("No_Font_Selected");
110        }
111    }
112
113}