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