1 /*
2 * Copyright (c) 1998, 2006, 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 javax.swing.plaf.metal;
27
28 import javax.swing.*;
29 import javax.swing.plaf.*;
30 import javax.swing.plaf.basic.*;
31 import java.awt.*;
32
33 /**
34 * The Metal implementation of ProgressBarUI.
35 * <p>
36 * <strong>Warning:</strong>
37 * Serialized objects of this class will not be compatible with
38 * future Swing releases. The current serialization support is
39 * appropriate for short term storage or RMI between applications running
40 * the same version of Swing. As of 1.4, support for long term storage
41 * of all JavaBeans™
42 * has been added to the <code>java.beans</code> package.
43 * Please see {@link java.beans.XMLEncoder}.
44 *
45 * @author Michael C. Albers
46 */
47 public class MetalProgressBarUI extends BasicProgressBarUI {
48
49 private Rectangle innards;
50 private Rectangle box;
51
52 public static ComponentUI createUI(JComponent c) {
53 return new MetalProgressBarUI();
54 }
55
56 /**
57 * Draws a bit of special highlighting on the progress bar.
58 * The core painting is deferred to the BasicProgressBar's
59 * <code>paintDeterminate</code> method.
60 * @since 1.4
61 */
62 public void paintDeterminate(Graphics g, JComponent c) {
63 super.paintDeterminate(g,c);
64
65 if (!(g instanceof Graphics2D)) {
66 return;
67 }
68
69 if (progressBar.isBorderPainted()) {
70 Insets b = progressBar.getInsets(); // area for border
71 int barRectWidth = progressBar.getWidth() - (b.left + b.right);
72 int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);
73 int amountFull = getAmountFull(b, barRectWidth, barRectHeight);
74 boolean isLeftToRight = MetalUtils.isLeftToRight(c);
75 int startX, startY, endX, endY;
76
77 // The progress bar border is painted according to a light source.
78 // This light source is stationary and does not change when the
79 // component orientation changes.
80 startX = b.left;
81 startY = b.top;
82 endX = b.left + barRectWidth - 1;
83 endY = b.top + barRectHeight - 1;
84
85 Graphics2D g2 = (Graphics2D)g;
86 g2.setStroke(new BasicStroke(1.f));
87
88 if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
89 // Draw light line lengthwise across the progress bar.
90 g2.setColor(MetalLookAndFeel.getControlShadow());
91 g2.drawLine(startX, startY, endX, startY);
92
93 if (amountFull > 0) {
94 // Draw darker lengthwise line over filled area.
95 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());
96
97 if (isLeftToRight) {
98 g2.drawLine(startX, startY,
99 startX + amountFull - 1, startY);
100 } else {
101 g2.drawLine(endX, startY,
102 endX - amountFull + 1, startY);
103 if (progressBar.getPercentComplete() != 1.f) {
104 g2.setColor(MetalLookAndFeel.getControlShadow());
105 }
106 }
107 }
108 // Draw a line across the width. The color is determined by
109 // the code above.
110 g2.drawLine(startX, startY, startX, endY);
111
112 } else { // VERTICAL
113 // Draw light line lengthwise across the progress bar.
114 g2.setColor(MetalLookAndFeel.getControlShadow());
115 g2.drawLine(startX, startY, startX, endY);
116
117 if (amountFull > 0) {
118 // Draw darker lengthwise line over filled area.
119 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());
120 g2.drawLine(startX, endY,
121 startX, endY - amountFull + 1);
122 }
123 // Draw a line across the width. The color is determined by
124 // the code above.
125 g2.setColor(MetalLookAndFeel.getControlShadow());
126
127 if (progressBar.getPercentComplete() == 1.f) {
128 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());
129 }
130 g2.drawLine(startX, startY, endX, startY);
131 }
132 }
133 }
134
135 /**
136 * Draws a bit of special highlighting on the progress bar
137 * and bouncing box.
138 * The core painting is deferred to the BasicProgressBar's
139 * <code>paintIndeterminate</code> method.
140 * @since 1.4
141 */
142 public void paintIndeterminate(Graphics g, JComponent c) {
143 super.paintIndeterminate(g, c);
144
145 if (!progressBar.isBorderPainted() || (!(g instanceof Graphics2D))) {
146 return;
147 }
148
149 Insets b = progressBar.getInsets(); // area for border
150 int barRectWidth = progressBar.getWidth() - (b.left + b.right);
151 int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);
152 int amountFull = getAmountFull(b, barRectWidth, barRectHeight);
153 boolean isLeftToRight = MetalUtils.isLeftToRight(c);
154 int startX, startY, endX, endY;
155 Rectangle box = null;
156 box = getBox(box);
157
158 // The progress bar border is painted according to a light source.
159 // This light source is stationary and does not change when the
160 // component orientation changes.
161 startX = b.left;
162 startY = b.top;
163 endX = b.left + barRectWidth - 1;
164 endY = b.top + barRectHeight - 1;
165
166 Graphics2D g2 = (Graphics2D)g;
167 g2.setStroke(new BasicStroke(1.f));
168
169 if (progressBar.getOrientation() == JProgressBar.HORIZONTAL) {
170 // Draw light line lengthwise across the progress bar.
171 g2.setColor(MetalLookAndFeel.getControlShadow());
172 g2.drawLine(startX, startY, endX, startY);
173 g2.drawLine(startX, startY, startX, endY);
174
175 // Draw darker lengthwise line over filled area.
176 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());
177 g2.drawLine(box.x, startY, box.x + box.width - 1, startY);
178
179 } else { // VERTICAL
180 // Draw light line lengthwise across the progress bar.
181 g2.setColor(MetalLookAndFeel.getControlShadow());
182 g2.drawLine(startX, startY, startX, endY);
183 g2.drawLine(startX, startY, endX, startY);
184
185 // Draw darker lengthwise line over filled area.
186 g2.setColor(MetalLookAndFeel.getPrimaryControlDarkShadow());
187 g2.drawLine(startX, box.y, startX, box.y + box.height - 1);
188 }
189 }
190 }