    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
    048package org.jfree.ui;
    049
    050import java.awt.BorderLayout;
    051import java.awt.Font;
    052import java.awt.GraphicsEnvironment;
    053import java.awt.GridLayout;
    054import java.util.ResourceBundle;
    055
    056import javax.swing.BorderFactory;
    057import javax.swing.JCheckBox;
    058import javax.swing.JList;
    059import javax.swing.JPanel;
    060import javax.swing.JScrollPane;
    061import javax.swing.ListModel;
    062
    063import 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 */
    071public 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}