comparison graal/com.oracle.max.base/src/com/sun/max/gui/ThrowableDialog.java @ 3733:e233f5660da4

Added Java files from Maxine project.
author Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date Sat, 17 Dec 2011 19:59:18 +0100
parents
children bc8527f3071c
comparison
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3732:3e2e8b8abdaf 3733:e233f5660da4
1 /*
2 * Copyright (c) 2007, 2011, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23 package com.sun.max.gui;
24
25 import java.awt.*;
26 import java.awt.event.*;
27 import java.io.*;
28
29 import javax.swing.*;
30 import javax.swing.border.*;
31
32 /**
33 * A dialog for displaying the details of an exception. Initially the dialog only shows the exception's
34 * {@linkplain Throwable#getMessage() message}. It includes a button for expanding the dialog to also show the stack
35 * trace. When the stack trace is shown, pressing the same button hides the stack trace.
36 */
37 public final class ThrowableDialog extends JDialog {
38
39 /**
40 * Creates a dialog to display the details of an exception and makes it visible.
41 *
42 * @param throwable the exception whose details are being displayed
43 * @param owner the {@code Frame} from which the dialog is displayed
44 * @param title the {@code String} to display in the dialog's title bar
45 */
46 public static void show(Throwable throwable, Frame owner, String title) {
47 new ThrowableDialog(throwable, owner, title).setVisible(true);
48 }
49
50 /**
51 * Creates a dialog to display the details of an exception and makes it visible on the
52 * {@linkplain SwingUtilities#invokeLater(Runnable) AWT dispatching thread}.
53 *
54 * @param throwable the exception whose details are being displayed
55 * @param owner the {@code Frame} from which the dialog is displayed
56 * @param title the {@code String} to display in the dialog's title bar
57 */
58 public static void showLater(Throwable throwable, Frame owner, String title) {
59 final ThrowableDialog dialog = new ThrowableDialog(throwable, owner, title);
60 SwingUtilities.invokeLater(new Runnable() {
61 public void run() {
62 dialog.setVisible(true);
63 }
64 });
65 }
66
67 /**
68 * Creates a dialog to display the details of an exception. The dialog is not displayed by this method.
69 *
70 * @param throwable the exception whose details are being displayed
71 * @param owner the {@code Frame} from which the dialog is displayed
72 * @param title the {@code String} to display in the dialog's title bar
73 */
74 private ThrowableDialog(Throwable throwable, Frame owner, String title) {
75 super(owner, title, false);
76 setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
77 setAlwaysOnTop(true);
78
79 final JToggleButton stackTraceButton = new JToggleButton("Show stack trace");
80 final JButton closeButton = new JButton("Close");
81 closeButton.addActionListener(new ActionListener() {
82 public void actionPerformed(ActionEvent e) {
83 setVisible(false);
84 dispose();
85 }
86 });
87
88 final JPanel buttonsPanel = new JPanel();
89 buttonsPanel.add(closeButton);
90 buttonsPanel.add(stackTraceButton);
91
92 final Container mainPane = getContentPane();
93 //mainPane.setLayout(new FlowLayout());
94 mainPane.setLayout(new BoxLayout(mainPane, BoxLayout.PAGE_AXIS));
95 final JLabel message = new JLabel(throwable.getMessage());
96 final JPanel messagePanel = new JPanel();
97 messagePanel.add(message);
98 mainPane.add(messagePanel);
99 mainPane.add(buttonsPanel);
100 pack();
101
102 final Dimension dialogWithoutStackTracePreferredSize = getPreferredSize();
103
104 final JTextArea stackTraceText = new JTextArea(20, 40);
105 throwable.printStackTrace(new PrintWriter(new Writer() {
106
107 @Override
108 public void close() throws IOException {
109 }
110
111 @Override
112 public void flush() throws IOException {
113 }
114
115 @Override
116 public void write(char[] cbuf, int off, int len) throws IOException {
117 stackTraceText.append(new String(cbuf, off, len));
118 }
119 }));
120
121 final JScrollPane stackTracePanel = new JScrollPane(stackTraceText, JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED, JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);
122 final Dimension stackTraceTextPreferredSize = stackTraceText.getPreferredSize();
123 stackTracePanel.setBorder(new TitledBorder("Stack trace"));
124 final Dimension stackTracePanelPreferredSize = new Dimension(
125 stackTraceTextPreferredSize.width + stackTracePanel.getVerticalScrollBar().getPreferredSize().width * 2,
126 stackTraceTextPreferredSize.height + stackTracePanel.getHorizontalScrollBar().getPreferredSize().height);
127 stackTracePanel.setPreferredSize(stackTracePanelPreferredSize);
128 stackTracePanel.setVisible(false);
129
130 stackTraceButton.addActionListener(new ActionListener() {
131 public void actionPerformed(ActionEvent e) {
132 if (stackTraceButton.isSelected()) {
133 stackTraceButton.setText("Hide stack trace");
134 stackTracePanel.setVisible(true);
135 setSize(new Dimension(Math.max(dialogWithoutStackTracePreferredSize.width, stackTracePanelPreferredSize.width),
136 dialogWithoutStackTracePreferredSize.height + Math.min(1000, stackTracePanelPreferredSize.height)));
137 } else {
138 stackTraceButton.setText("Show stack trace");
139 stackTracePanel.setVisible(false);
140 setSize(dialogWithoutStackTracePreferredSize);
141 }
142 validate();
143 }
144 });
145 mainPane.add(stackTracePanel);
146
147 setSize(dialogWithoutStackTracePreferredSize);
148 pack();
149 setLocationRelativeTo(owner);
150 }
151
152 // Test code
153
154 public static void main(String[] args) {
155 try {
156 recurse(0);
157 } catch (RuntimeException runtimeException) {
158 new ThrowableDialog(runtimeException, null, "Runtime Exception");
159 }
160 }
161
162 static void recurse(int more) {
163 if (more > 345) {
164 throw new RuntimeException("This is a test. Repeat. This is a test.");
165 }
166 recurse(more + 1);
167 }
168 }