JDK8/Java8源码在线阅读
/*
* Copyright (c) 2006, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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package sun.tools.jconsole;
import java.awt.*;
import java.awt.event.*;
import java.beans.PropertyVetoException;
import java.net.URI;
import javax.swing.*;
import javax.swing.border.*;
import javax.swing.event.*;
import static sun.misc.Version.jdkMinorVersion;
import static java.awt.BorderLayout.*;
import static sun.tools.jconsole.Utilities.*;
@SuppressWarnings("serial")
public class AboutDialog extends InternalDialog {
private static final Color textColor = new Color(87, 88, 89);
private static final Color bgColor = new Color(232, 237, 241);
private static final Color borderColor = Color.black;
private Icon mastheadIcon =
new MastheadIcon(Messages.HELP_ABOUT_DIALOG_MASTHEAD_TITLE);
private static AboutDialog aboutDialog;
private JLabel statusBar;
private Action closeAction;
public AboutDialog(JConsole jConsole) {
super(jConsole, Messages.HELP_ABOUT_DIALOG_TITLE, false);
setAccessibleDescription(this, Messages.HELP_ABOUT_DIALOG_ACCESSIBLE_DESCRIPTION);
setDefaultCloseOperation(HIDE_ON_CLOSE);
setResizable(false);
JComponent cp = (JComponent)getContentPane();
createActions();
JLabel mastheadLabel = new JLabel(mastheadIcon);
setAccessibleName(mastheadLabel,
Messages.HELP_ABOUT_DIALOG_MASTHEAD_ACCESSIBLE_NAME);
JPanel mainPanel = new TPanel(0, 0);
mainPanel.add(mastheadLabel, NORTH);
String jConsoleVersion = Version.getVersion();
String vmName = System.getProperty("java.vm.name");
String vmVersion = System.getProperty("java.vm.version");
String urlStr = getOnlineDocUrl();
if (isBrowseSupported()) {
urlStr = "<a style='color:#35556b' href=\"" + urlStr + "\">" + urlStr + "</a>";
}
JPanel infoAndLogoPanel = new JPanel(new BorderLayout(10, 10));
infoAndLogoPanel.setBackground(bgColor);
String colorStr = String.format("%06x", textColor.getRGB() & 0xFFFFFF);
JEditorPane helpLink = new JEditorPane("text/html",
"<html><font color=#"+ colorStr + ">" +
Resources.format(Messages.HELP_ABOUT_DIALOG_JCONSOLE_VERSION, jConsoleVersion) +
"<p>" + Resources.format(Messages.HELP_ABOUT_DIALOG_JAVA_VERSION, (vmName +", "+ vmVersion)) +
"<p>" + urlStr + "</html>");
helpLink.setOpaque(false);
helpLink.setEditable(false);
helpLink.setForeground(textColor);
mainPanel.setBorder(BorderFactory.createLineBorder(borderColor));
infoAndLogoPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
helpLink.addHyperlinkListener(new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent e) {
if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
browse(e.getDescription());
}
}
});
infoAndLogoPanel.add(helpLink, NORTH);
ImageIcon brandLogoIcon = new ImageIcon(getClass().getResource("resources/brandlogo.png"));
JLabel brandLogo = new JLabel(brandLogoIcon, JLabel.LEADING);
JButton closeButton = new JButton(closeAction);
JPanel bottomPanel = new TPanel(0, 0);
JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
buttonPanel.setOpaque(false);
mainPanel.add(infoAndLogoPanel, CENTER);
cp.add(bottomPanel, SOUTH);
infoAndLogoPanel.add(brandLogo, SOUTH);
buttonPanel.setBorder(new EmptyBorder(2, 12, 2, 12));
buttonPanel.add(closeButton);
bottomPanel.add(buttonPanel, NORTH);
statusBar = new JLabel(" ");
bottomPanel.add(statusBar, SOUTH);
cp.add(mainPanel, NORTH);
pack();
setLocationRelativeTo(jConsole);
Utilities.updateTransparency(this);
}
public void showDialog() {
statusBar.setText(" ");
setVisible(true);
try {
// Bring to front of other dialogs
setSelected(true);
} catch (PropertyVetoException e) {
// ignore
}
}
private static AboutDialog getAboutDialog(JConsole jConsole) {
if (aboutDialog == null) {
aboutDialog = new AboutDialog(jConsole);
}
return aboutDialog;
}
static void showAboutDialog(JConsole jConsole) {
getAboutDialog(jConsole).showDialog();
}
static void browseUserGuide(JConsole jConsole) {
getAboutDialog(jConsole).browse(getOnlineDocUrl());
}
static boolean isBrowseSupported() {
return (Desktop.isDesktopSupported() &&
Desktop.getDesktop().isSupported(Desktop.Action.BROWSE));
}
void browse(String urlStr) {
try {
Desktop.getDesktop().browse(new URI(urlStr));
} catch (Exception ex) {
showDialog();
statusBar.setText(ex.getLocalizedMessage());
if (JConsole.isDebug()) {
ex.printStackTrace();
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