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 }