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 1.4 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 * 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
053 import javax.swing.BorderFactory;
054 import javax.swing.JCheckBox;
055 import javax.swing.JList;
056 import javax.swing.JPanel;
057 import javax.swing.JScrollPane;
058 import javax.swing.ListModel;
059
060 /**
061 * A panel for choosing a font from the available system fonts - still a bit of a hack at the
062 * moment, but good enough for demonstration applications.
063 *
064 * @author David Gilbert
065 */
066 public class FontChooserPanel extends JPanel {
067
068 /** The font sizes that can be selected. */
069 public static final String[] SIZES = {"9", "10", "11", "12", "14", "16", "18",
070 "20", "22", "24", "28", "36", "48", "72"};
071
072 /** The list of fonts. */
073 private JList fontlist;
074
075 /** The list of sizes. */
076 private JList sizelist;
077
078 /** The checkbox that indicates whether the font is bold. */
079 private JCheckBox bold;
080
081 /** The checkbox that indicates whether or not the font is italic. */
082 private JCheckBox italic;
083
084 /** The resourceBundle for the localization. */
085 protected static ResourceBundle localizationResources =
086 ResourceBundle.getBundle("org.jfree.ui.LocalizationBundle");
087
088 /**
089 * Standard constructor - builds a FontChooserPanel initialised with the specified font.
090 *
091 * @param font the initial font to display.
092 */
093 public FontChooserPanel(final Font font) {
094
095 final GraphicsEnvironment g = GraphicsEnvironment.getLocalGraphicsEnvironment();
096 final String[] fonts = g.getAvailableFontFamilyNames();
097
098 setLayout(new BorderLayout());
099 final JPanel right = new JPanel(new BorderLayout());
100
101 final JPanel fontPanel = new JPanel(new BorderLayout());
102 fontPanel.setBorder(BorderFactory.createTitledBorder(
103 BorderFactory.createEtchedBorder(),
104 localizationResources.getString("Font")));
105 this.fontlist = new JList(fonts);
106 final JScrollPane fontpane = new JScrollPane(this.fontlist);
107 fontpane.setBorder(BorderFactory.createEtchedBorder());
108 fontPanel.add(fontpane);
109 add(fontPanel);
110
111 final JPanel sizePanel = new JPanel(new BorderLayout());
112 sizePanel.setBorder(BorderFactory.createTitledBorder(
113 BorderFactory.createEtchedBorder(),
114 localizationResources.getString("Size")));
115 this.sizelist = new JList(SIZES);
116 final JScrollPane sizepane = new JScrollPane(this.sizelist);
117 sizepane.setBorder(BorderFactory.createEtchedBorder());
118 sizePanel.add(sizepane);
119
120 final JPanel attributes = new JPanel(new GridLayout(1, 2));
121 this.bold = new JCheckBox(localizationResources.getString("Bold"));
122 this.italic = new JCheckBox(localizationResources.getString("Italic"));
123 attributes.add(this.bold);
124 attributes.add(this.italic);
125 attributes.setBorder(BorderFactory.createTitledBorder(BorderFactory.createEtchedBorder(),
126 localizationResources.getString("Attributes")));
127
128 right.add(sizePanel, BorderLayout.CENTER);
129 right.add(attributes, BorderLayout.SOUTH);
130
131 add(right, BorderLayout.EAST);
132
133 setSelectedFont(font);
134 }
135
136 /**
137 * Returns a Font object representing the selection in the panel.
138 *
139 * @return the font.
140 */
141 public Font getSelectedFont() {
142 return new Font(getSelectedName(), getSelectedStyle(), getSelectedSize());
143 }
144
145 /**
146 * Returns the selected name.
147 *
148 * @return the name.
149 */
150 public String getSelectedName() {
151 return (String) this.fontlist.getSelectedValue();
152 }
153
154 /**
155 * Returns the selected style.
156 *
157 * @return the style.
158 */
159 public int getSelectedStyle() {
160 if (this.bold.isSelected() && this.italic.isSelected()) {
161 return Font.BOLD + Font.ITALIC;
162 }
163 if (this.bold.isSelected()) {
164 return Font.BOLD;
165 }
166 if (this.italic.isSelected()) {
167 return Font.ITALIC;
168 }
169 else {
170 return Font.PLAIN;
171 }
172 }
173
174 /**
175 * Returns the selected size.
176 *
177 * @return the size.
178 */
179 public int getSelectedSize() {
180 final String selected = (String) this.sizelist.getSelectedValue();
181 if (selected != null) {
182 return Integer.parseInt(selected);
183 }
184 else {
185 return 10;
186 }
187 }
188
189 /**
190 * Initializes the contents of the dialog from the given font
191 * object.
192 *
193 * @param font the font from which to read the properties.
194 */
195 public void setSelectedFont (final Font font) {
196 if (font == null) {
197 throw new NullPointerException();
198 }
199 this.bold.setSelected(font.isBold());
200 this.italic.setSelected(font.isItalic());
201
202 final String fontName = font.getName();
203 ListModel model = this.fontlist.getModel();
204 this.fontlist.clearSelection();
205 for (int i = 0; i < model.getSize(); i++) {
206 if (fontName.equals(model.getElementAt(i))) {
207 this.fontlist.setSelectedIndex(i);
208 break;
209 }
210 }
211
212 final String fontSize = String.valueOf(font.getSize());
213 model = this.sizelist.getModel();
214 this.sizelist.clearSelection();
215 for (int i = 0; i < model.getSize(); i++) {
216 if (fontSize.equals(model.getElementAt(i))) {
217 this.sizelist.setSelectedIndex(i);
218 break;
219 }
220 }
221 }
222 }