1 /*
2 * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.beans.editors;
27
28 import java.awt.*;
29 import java.beans.*;
30
31 public class FontEditor extends Panel implements java.beans.PropertyEditor {
32 private static final long serialVersionUID = 6732704486002715933L;
33
34 public FontEditor() {
35 setLayout(null);
36
37 toolkit = Toolkit.getDefaultToolkit();
38 fonts = toolkit.getFontList();
39
40 familyChoser = new Choice();
41 for (int i = 0; i < fonts.length; i++) {
42 familyChoser.addItem(fonts[i]);
43 }
44 add(familyChoser);
45 familyChoser.reshape(20, 5, 100, 30);
46
47 styleChoser = new Choice();
48 for (int i = 0; i < styleNames.length; i++) {
49 styleChoser.addItem(styleNames[i]);
50 }
51 add(styleChoser);
52 styleChoser.reshape(145, 5, 70, 30);
53
54 sizeChoser = new Choice();
55 for (int i = 0; i < pointSizes.length; i++) {
56 sizeChoser.addItem("" + pointSizes[i]);
57 }
58 add(sizeChoser);
59 sizeChoser.reshape(220, 5, 70, 30);
60
61 resize(300,40);
62 }
63
64
65 public Dimension preferredSize() {
66 return new Dimension(300, 40);
67 }
68
69 public void setValue(Object o) {
70 font = (Font) o;
71 if (this.font == null)
72 return;
73
74 changeFont(font);
75 // Update the current GUI choices.
76 for (int i = 0; i < fonts.length; i++) {
77 if (fonts[i].equals(font.getFamily())) {
78 familyChoser.select(i);
79 break;
80 }
81 }
82 for (int i = 0; i < styleNames.length; i++) {
83 if (font.getStyle() == styles[i]) {
84 styleChoser.select(i);
85 break;
86 }
87 }
88 for (int i = 0; i < pointSizes.length; i++) {
89 if (font.getSize() <= pointSizes[i]) {
90 sizeChoser.select(i);
91 break;
92 }
93 }
94 }
95
96 private void changeFont(Font f) {
97 font = f;
98 if (sample != null) {
99 remove(sample);
100 }
101 sample = new Label(sampleText);
102 sample.setFont(font);
103 add(sample);
104 Component p = getParent();
105 if (p != null) {
106 p.invalidate();
107 p.layout();
108 }
109 invalidate();
110 layout();
111 repaint();
112 support.firePropertyChange("", null, null);
113 }
114
115 public Object getValue() {
116 return (font);
117 }
118
119 public String getJavaInitializationString() {
120 if (this.font == null)
121 return "null";
122
123 return "new java.awt.Font(\"" + font.getName() + "\", " +
124 font.getStyle() + ", " + font.getSize() + ")";
125 }
126
127 public boolean action(Event e, Object arg) {
128 String family = familyChoser.getSelectedItem();
129 int style = styles[styleChoser.getSelectedIndex()];
130 int size = pointSizes[sizeChoser.getSelectedIndex()];
131 try {
132 Font f = new Font(family, style, size);
133 changeFont(f);
134 } catch (Exception ex) {
135 System.err.println("Couldn't create font " + family + "-" +
136 styleNames[style] + "-" + size);
137 }
138 return (false);
139 }
140
141
142 public boolean isPaintable() {
143 return true;
144 }
145
146 public void paintValue(java.awt.Graphics gfx, java.awt.Rectangle box) {
147 // Silent noop.
148 Font oldFont = gfx.getFont();
149 gfx.setFont(font);
150 FontMetrics fm = gfx.getFontMetrics();
151 int vpad = (box.height - fm.getAscent())/2;
152 gfx.drawString(sampleText, 0, box.height-vpad);
153 gfx.setFont(oldFont);
154 }
155
156 public String getAsText() {
157 if (this.font == null) {
158 return null;
159 }
160 StringBuilder sb = new StringBuilder();
161 sb.append(this.font.getName());
162 sb.append(' ');
163
164 boolean b = this.font.isBold();
165 if (b) {
166 sb.append("BOLD");
167 }
168 boolean i = this.font.isItalic();
169 if (i) {
170 sb.append("ITALIC");
171 }
172 if (b || i) {
173 sb.append(' ');
174 }
175 sb.append(this.font.getSize());
176 return sb.toString();
177 }
178
179 public void setAsText(String text) throws IllegalArgumentException {
180 setValue((text == null) ? null : Font.decode(text));
181 }
182
183 public String[] getTags() {
184 return null;
185 }
186
187 public java.awt.Component getCustomEditor() {
188 return this;
189 }
190
191 public boolean supportsCustomEditor() {
192 return true;
193 }
194
195 public void addPropertyChangeListener(PropertyChangeListener l) {
196 support.addPropertyChangeListener(l);
197 }
198
199 public void removePropertyChangeListener(PropertyChangeListener l) {
200 support.removePropertyChangeListener(l);
201 }
202
203 private Font font;
204 private Toolkit toolkit;
205 private String sampleText = "Abcde...";
206
207 private Label sample;
208 private Choice familyChoser;
209 private Choice styleChoser;
210 private Choice sizeChoser;
211
212 private String fonts[];
213 private String[] styleNames = { "plain", "bold", "italic" };
214 private int[] styles = { Font.PLAIN, Font.BOLD, Font.ITALIC };
215 private int[] pointSizes = { 3, 5, 8, 10, 12, 14, 18, 24, 36, 48 };
216
217 private PropertyChangeSupport support = new PropertyChangeSupport(this);
218
219 }