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 1.5 2007/11/02 17:50:36 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    
045    package org.jfree.ui;
046    
047    import java.awt.Font;
048    import java.util.ResourceBundle;
049    import javax.swing.JTextField;
050    
051    /**
052     * A field for displaying a font selection.  The display field itself is read-only, to the developer
053     * must provide another mechanism to allow the user to change the font.
054     *
055     * @author David Gilbert
056     */
057    public class FontDisplayField extends JTextField {
058    
059        /** The current font. */
060        private Font displayFont;
061    
062        /** The resourceBundle for the localization. */
063        protected static final ResourceBundle localizationResources = 
064            ResourceBundle.getBundle("org.jfree.ui.LocalizationBundle");
065    
066        /**
067         * Standard constructor - builds a FontDescriptionField initialised with the specified font.
068         *
069         * @param font  the font.
070         */
071        public FontDisplayField(final Font font) {
072            super("");
073            setDisplayFont(font);
074            setEnabled(false);
075        }
076    
077        /**
078         * Returns the current font.
079         *
080         * @return the font.
081         */
082        public Font getDisplayFont() {
083            return this.displayFont;
084        }
085    
086        /**
087         * Sets the font.
088         *
089         * @param font  the font.
090         */
091        public void setDisplayFont(final Font font) {
092            this.displayFont = font;
093            setText(fontToString(this.displayFont));
094        }
095    
096        /**
097         * Returns a string representation of the specified font.
098         *
099         * @param font  the font.
100         *
101         * @return a string describing the font.
102         */
103        private String fontToString(final Font font) {
104            if (font != null) {
105                return font.getFontName() + ", " + font.getSize();
106            }
107            else {
108                return localizationResources.getString("No_Font_Selected");
109            }
110        }
111    
112    }