    001    /* ========================================================================
    002     * JCommon : a free general purpose class library for the Java(tm) platform
    003     * ========================================================================
    004     *
    005     * (C) Copyright 2000-2008, 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     * FontChooserPanel.java
    029     * ---------------------
    030     * (C) Copyright 2000-2008, by Object Refinery Limited.
    031     *
    032     * Original Author:  David Gilbert (for Object Refinery Limited);
    033     * Contributor(s):   Arnaud Lelievre;
    034     *
    035     * $Id: FontChooserPanel.java,v 1.6 2008/12/18 09:57:32 mungady 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     * 21-Feb-2004 : The FontParameter of the constructor was never used (TM);
    043     * 18-Dec-2008 : Use ResourceBundleWrapper - see JFreeChart patch 1607918 by
    044     *               Jess Thrysoee (DG);
    045     *
    046     */
    047
    048    package org.jfree.ui;
    049
    050    import java.awt.BorderLayout;
    051    import java.awt.Font;
    052    import java.awt.GraphicsEnvironment;
    053    import java.awt.GridLayout;
    054    import java.util.ResourceBundle;
    055
    056    import javax.swing.BorderFactory;
    057    import javax.swing.JCheckBox;
    058    import javax.swing.JList;
    059    import javax.swing.JPanel;
    060    import javax.swing.JScrollPane;
    061    import javax.swing.ListModel;
    062
    063    import org.jfree.util.ResourceBundleWrapper;
    064
    065    /**
    066     * A panel for choosing a font from the available system fonts - still a bit of
    067     * a hack at the moment, but good enough for demonstration applications.
    068     *
    069     * @author David Gilbert
    070     */
    071    public class FontChooserPanel extends JPanel {
    072
    073        /** The font sizes that can be selected. */
    074        public static final String[] SIZES = {"9", "10", "11", "12", "14", "16",
    075                "18", "20", "22", "24", "28", "36", "48", "72"};
    076
    077        /** The list of fonts. */
    078        private JList fontlist;
    079
    080        /** The list of sizes. */
    081        private JList sizelist;
    082
    083        /** The checkbox that indicates whether the font is bold. */
    084        private JCheckBox bold;
    085
    086        /** The checkbox that indicates whether or not the font is italic. */
    087        private JCheckBox italic;
    088
    089        /** The resourceBundle for the localization. */
    090        protected static ResourceBundle localizationResources =
    091            ResourceBundleWrapper.getBundle("org.jfree.ui.LocalizationBundle");
    092
    093        /**
    094         * Standard constructor - builds a FontChooserPanel initialised with the
    095         * specified font.
    096         *
    097         * @param font  the initial font to display.
    098         */
    099        public FontChooserPanel(final Font font) {
    100
    101            final GraphicsEnvironment g
    102                    = GraphicsEnvironment.getLocalGraphicsEnvironment();
    103            final String[] fonts = g.getAvailableFontFamilyNames();
    104
    105            setLayout(new BorderLayout());
    106            final JPanel right = new JPanel(new BorderLayout());
    107
    108            final JPanel fontPanel = new JPanel(new BorderLayout());
    109            fontPanel.setBorder(BorderFactory.createTitledBorder(
    110                                BorderFactory.createEtchedBorder(),
    111                                localizationResources.getString("Font")));
    112            this.fontlist = new JList(fonts);
    113            final JScrollPane fontpane = new JScrollPane(this.fontlist);
    114            fontpane.setBorder(BorderFactory.createEtchedBorder());
    115            fontPanel.add(fontpane);
    116            add(fontPanel);
    117
    118            final JPanel sizePanel = new JPanel(new BorderLayout());
    119            sizePanel.setBorder(BorderFactory.createTitledBorder(
    120                                BorderFactory.createEtchedBorder(),
    121                                localizationResources.getString("Size")));
    122            this.sizelist = new JList(SIZES);
    123            final JScrollPane sizepane = new JScrollPane(this.sizelist);
    124            sizepane.setBorder(BorderFactory.createEtchedBorder());
    125            sizePanel.add(sizepane);
    126
    127            final JPanel attributes = new JPanel(new GridLayout(1, 2));
    128            this.bold = new JCheckBox(localizationResources.getString("Bold"));
    129            this.italic = new JCheckBox(localizationResources.getString("Italic"));
    130            attributes.add(this.bold);
    131            attributes.add(this.italic);
    132            attributes.setBorder(BorderFactory.createTitledBorder(
    133                    BorderFactory.createEtchedBorder(),
    134                    localizationResources.getString("Attributes")));
    135
    136            right.add(sizePanel, BorderLayout.CENTER);
    137            right.add(attributes, BorderLayout.SOUTH);
    138
    139            add(right, BorderLayout.EAST);
    140
    141            setSelectedFont(font);
    142        }
    143
    144        /**
    145         * Returns a Font object representing the selection in the panel.
    146         *
    147         * @return the font.
    148         */
    149        public Font getSelectedFont() {
    150            return new Font(getSelectedName(), getSelectedStyle(),
    151                    getSelectedSize());
    152        }
    153
    154        /**
    155         * Returns the selected name.
    156         *
    157         * @return the name.
    158         */
    159        public String getSelectedName() {
    160            return (String) this.fontlist.getSelectedValue();
    161        }
    162
    163        /**
    164         * Returns the selected style.
    165         *
    166         * @return the style.
    167         */
    168        public int getSelectedStyle() {
    169            if (this.bold.isSelected() && this.italic.isSelected()) {
    170                return Font.BOLD + Font.ITALIC;
    171            }
    172            if (this.bold.isSelected()) {
    173                return Font.BOLD;
    174            }
    175            if (this.italic.isSelected()) {
    176                return Font.ITALIC;
    177            }
    178            else {
    179                return Font.PLAIN;
    180            }
    181        }
    182
    183        /**
    184         * Returns the selected size.
    185         *
    186         * @return the size.
    187         */
    188        public int getSelectedSize() {
    189            final String selected = (String) this.sizelist.getSelectedValue();
    190            if (selected != null) {
    191                return Integer.parseInt(selected);
    192            }
    193            else {
    194                return 10;
    195            }
    196        }
    197
    198        /**
    199         * Initializes the contents of the dialog from the given font
    200         * object.
    201         *
    202         * @param font the font from which to read the properties.
    203         */
    204        public void setSelectedFont (final Font font) {
    205            if (font == null) {
    206                throw new NullPointerException();
    207            }
    208            this.bold.setSelected(font.isBold());
    209            this.italic.setSelected(font.isItalic());
    210
    211            final String fontName = font.getName();
    212            ListModel model = this.fontlist.getModel();
    213            this.fontlist.clearSelection();
    214            for (int i = 0; i < model.getSize(); i++) {
    215                if (fontName.equals(model.getElementAt(i))) {
    216                    this.fontlist.setSelectedIndex(i);
    217                    break;
    218                }
    219            }
    220
    221            final String fontSize = String.valueOf(font.getSize());
    222            model = this.sizelist.getModel();
    223            this.sizelist.clearSelection();
    224            for (int i = 0; i < model.getSize(); i++) {
    225                if (fontSize.equals(model.getElementAt(i))) {
    226                    this.sizelist.setSelectedIndex(i);
    227                    break;
    228                }
    229            }
    230        }
    231    }