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304 lines
10 KiB
Java
304 lines
10 KiB
Java
/*
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* Copyright (c) 2006, 2021, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.tools.jconsole;
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import java.awt.BasicStroke;
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import java.awt.BorderLayout;
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import java.awt.Color;
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import java.awt.Desktop;
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import java.awt.FlowLayout;
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import java.awt.Graphics2D;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import java.awt.Shape;
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import java.awt.Stroke;
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import java.awt.event.ActionEvent;
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import java.awt.event.FocusEvent;
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import java.awt.event.FocusListener;
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import java.awt.event.KeyAdapter;
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import java.awt.event.KeyEvent;
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import java.awt.geom.Rectangle2D;
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import java.beans.PropertyVetoException;
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import java.net.URI;
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import javax.swing.AbstractAction;
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import javax.swing.Action;
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import javax.swing.BorderFactory;
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import javax.swing.Icon;
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import javax.swing.ImageIcon;
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import javax.swing.JButton;
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import javax.swing.JComponent;
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import javax.swing.JEditorPane;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.border.EmptyBorder;
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import javax.swing.event.HyperlinkEvent;
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import javax.swing.event.HyperlinkListener;
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import javax.swing.text.BadLocationException;
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import javax.swing.text.DefaultHighlighter;
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import javax.swing.text.Document;
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import javax.swing.text.Highlighter;
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import javax.swing.text.JTextComponent;
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import javax.swing.text.View;
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import static java.awt.BorderLayout.CENTER;
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import static java.awt.BorderLayout.NORTH;
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import static java.awt.BorderLayout.SOUTH;
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import static sun.tools.jconsole.Utilities.setAccessibleDescription;
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import static sun.tools.jconsole.Utilities.setAccessibleName;
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@SuppressWarnings("serial")
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public class AboutDialog extends InternalDialog {
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private static final Color textColor = new Color(87, 88, 89);
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private static final Color bgColor = new Color(232, 237, 241);
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private static final Color borderColor = Color.black;
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private Icon mastheadIcon =
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new MastheadIcon(Messages.HELP_ABOUT_DIALOG_MASTHEAD_TITLE);
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private static AboutDialog aboutDialog;
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private JLabel statusBar;
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private Action closeAction;
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private JEditorPane helpLink;
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private final String urlStr = getOnlineDocUrl();
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public AboutDialog(JConsole jConsole) {
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super(jConsole, Messages.HELP_ABOUT_DIALOG_TITLE, false);
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setAccessibleDescription(this, Messages.HELP_ABOUT_DIALOG_ACCESSIBLE_DESCRIPTION);
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setDefaultCloseOperation(HIDE_ON_CLOSE);
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setResizable(false);
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JComponent cp = (JComponent)getContentPane();
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createActions();
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JLabel mastheadLabel = new JLabel(mastheadIcon);
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setAccessibleName(mastheadLabel,
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Messages.HELP_ABOUT_DIALOG_MASTHEAD_ACCESSIBLE_NAME);
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JPanel mainPanel = new TPanel(0, 0);
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mainPanel.add(mastheadLabel, NORTH);
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String jConsoleVersion = Version.getVersion();
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String vmName = System.getProperty("java.vm.name");
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String vmVersion = System.getProperty("java.vm.version");
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String locUrlStr = urlStr;
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if (isBrowseSupported()) {
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locUrlStr = "<a style='color:#35556b' href=\"" + locUrlStr + "\">" + locUrlStr + "</a>";
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}
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JPanel infoAndLogoPanel = new JPanel(new BorderLayout(10, 10));
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infoAndLogoPanel.setBackground(bgColor);
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String colorStr = String.format("%06x", textColor.getRGB() & 0xFFFFFF);
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helpLink = new JEditorPane("text/html",
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"<html><font color=#"+ colorStr + ">" +
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Resources.format(Messages.HELP_ABOUT_DIALOG_JCONSOLE_VERSION, jConsoleVersion) +
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"<p>" + Resources.format(Messages.HELP_ABOUT_DIALOG_JAVA_VERSION, (vmName +", "+ vmVersion)) +
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"<p>" + locUrlStr + "</html>");
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helpLink.setOpaque(false);
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helpLink.setEditable(false);
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helpLink.setForeground(textColor);
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mainPanel.setBorder(BorderFactory.createLineBorder(borderColor));
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infoAndLogoPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
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helpLink.addKeyListener(new KeyAdapter() {
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@Override
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public void keyPressed(KeyEvent e) {
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if ((e.getKeyCode() == KeyEvent.VK_ENTER) || (e.getKeyCode() == KeyEvent.VK_SPACE)) {
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browse(urlStr);
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e.consume();
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}
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}
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});
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helpLink.addFocusListener(new FocusListener() {
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@Override
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public void focusGained(FocusEvent e) {
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highlight();
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}
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@Override
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public void focusLost(FocusEvent e) {
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removeHighlights();
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}
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});
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helpLink.addHyperlinkListener(new HyperlinkListener() {
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public void hyperlinkUpdate(HyperlinkEvent e) {
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if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
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browse(e.getDescription());
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}
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}
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});
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infoAndLogoPanel.add(helpLink, NORTH);
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ImageIcon brandLogoIcon = new ImageIcon(getClass().getResource("resources/brandlogo.png"));
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JLabel brandLogo = new JLabel(brandLogoIcon, JLabel.LEADING);
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JButton closeButton = new JButton(closeAction);
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JPanel bottomPanel = new TPanel(0, 0);
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JPanel buttonPanel = new JPanel(new FlowLayout(FlowLayout.TRAILING));
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buttonPanel.setOpaque(false);
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mainPanel.add(infoAndLogoPanel, CENTER);
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cp.add(bottomPanel, SOUTH);
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infoAndLogoPanel.add(brandLogo, SOUTH);
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buttonPanel.setBorder(new EmptyBorder(2, 12, 2, 12));
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buttonPanel.add(closeButton);
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bottomPanel.add(buttonPanel, NORTH);
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statusBar = new JLabel(" ");
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bottomPanel.add(statusBar, SOUTH);
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cp.add(mainPanel, NORTH);
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pack();
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setLocationRelativeTo(jConsole);
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Utilities.updateTransparency(this);
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}
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public void highlight() {
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try {
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removeHighlights();
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Highlighter hilite = helpLink.getHighlighter();
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Document doc = helpLink.getDocument();
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String text = doc.getText(0, doc.getLength());
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int pos = text.indexOf(urlStr, 0);
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hilite.addHighlight(pos, pos + urlStr.length(), new HighlightPainter());
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} catch (BadLocationException e) {
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// ignore
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}
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}
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public void removeHighlights() {
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Highlighter hilite = helpLink.getHighlighter();
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hilite.removeAllHighlights();
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}
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public void showDialog() {
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statusBar.setText(" ");
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setVisible(true);
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try {
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// Bring to front of other dialogs
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setSelected(true);
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} catch (PropertyVetoException e) {
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// ignore
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}
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}
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private static AboutDialog getAboutDialog(JConsole jConsole) {
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if (aboutDialog == null) {
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aboutDialog = new AboutDialog(jConsole);
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}
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return aboutDialog;
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}
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static void showAboutDialog(JConsole jConsole) {
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getAboutDialog(jConsole).showDialog();
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}
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static void browseUserGuide(JConsole jConsole) {
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getAboutDialog(jConsole).browse(getOnlineDocUrl());
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}
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static boolean isBrowseSupported() {
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return (Desktop.isDesktopSupported() &&
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Desktop.getDesktop().isSupported(Desktop.Action.BROWSE));
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}
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void browse(String urlStr) {
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try {
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Desktop.getDesktop().browse(new URI(urlStr));
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} catch (Exception ex) {
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showDialog();
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statusBar.setText(ex.getLocalizedMessage());
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if (JConsole.isDebug()) {
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ex.printStackTrace();
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}
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}
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}
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private void createActions() {
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closeAction = new AbstractAction(Messages.CLOSE) {
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public void actionPerformed(ActionEvent ev) {
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setVisible(false);
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statusBar.setText("");
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}
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};
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}
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private static String getOnlineDocUrl() {
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String version = Integer.toString(Runtime.version().feature());
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return Resources.format(Messages.HELP_ABOUT_DIALOG_USER_GUIDE_LINK_URL,
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version);
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}
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private static class TPanel extends JPanel {
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TPanel(int hgap, int vgap) {
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super(new BorderLayout(hgap, vgap));
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setOpaque(false);
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}
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}
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private static class HighlightPainter
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extends DefaultHighlighter.DefaultHighlightPainter {
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public HighlightPainter() {
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super(null);
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}
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@Override
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public Shape paintLayer(Graphics g, int offs0, int offs1, Shape bounds,
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JTextComponent c, View view) {
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g.setColor(c.getSelectionColor());
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Rectangle alloc;
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if (bounds instanceof Rectangle) {
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alloc = (Rectangle)bounds;
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} else {
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alloc = bounds.getBounds();
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}
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Graphics2D g2d = (Graphics2D)g;
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float[] dash = { 2F, 2F };
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Stroke dashedStroke = new BasicStroke(1F, BasicStroke.CAP_SQUARE,
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BasicStroke.JOIN_MITER, 3F, dash, 0F);
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g2d.fill(dashedStroke.createStrokedShape(
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new Rectangle2D.Float(alloc.x, alloc.y,
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alloc.width - 1, alloc.height - 1)));
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return alloc;
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}
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}
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}
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