/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ignite.startup.cmdline;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.FlowLayout;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;
import java.text.SimpleDateFormat;
import java.util.Date;
import javax.imageio.ImageIO;
import javax.swing.AbstractAction;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.KeyStroke;
import javax.swing.SwingUtilities;
import javax.swing.border.Border;
/**
* About dialog.
*/
public class AboutDialog extends JDialog {
/** */
private static final long serialVersionUID = 0L;
/** Border color. */
private static final Color VALUE_BORDER_COLOR = new Color(0xcdcdcd);
/** Global reference to about dialog to prevent double open. */
private static AboutDialog aboutDlg;
/** Application name */
private final String appName;
/** Banner icon url spec */
private final String bannerSpec;
/** Version. */
private final String ver;
/** Release date. */
private final Date release;
/** Copyright. */
private final String copyright;
/** Grid bag constraints. */
private final GridBagConstraints gbc;
/**
* @param appName Application name.
* @param bannerSpec Banner icon url spec.
* @param ver Version.
* @param release Release date.
* @param copyright Copyright.
*/
AboutDialog(String appName, String bannerSpec, String ver, Date release, String copyright) {
this.appName = appName;
this.bannerSpec = bannerSpec;
this.ver = ver;
this.release = release;
this.copyright = copyright;
gbc = new GridBagConstraints();
gbc.fill = GridBagConstraints.HORIZONTAL;
initDialog();
}
/** Close action. */
private Action closeAct = new AbstractAction("Close") {
@Override public void actionPerformed(ActionEvent e) {
assert SwingUtilities.isEventDispatchThread();
dispose();
}
};
/** Close button. */
private JButton closeBtn = new JButton(closeAct);
/**
* Create and initialize dialog controls.
*
* @return Panel with dialog controls.
*/
private JPanel initComponents() {
JPanel content = new JPanel(new BorderLayout(0, 5));
content.add(createBannerPanel(), BorderLayout.NORTH);
content.add(createLicensePanel(), BorderLayout.CENTER);
content.add(createButtonPanel(), BorderLayout.SOUTH);
return content;
}
/**
* @return Panel with banner.
*/
private JPanel createBannerPanel() {
JPanel bannerPanel = new JPanel(new FlowLayout(FlowLayout.LEFT, 10, 5));
bannerPanel.setBackground(Color.WHITE);
try {
URL url = new URL(bannerSpec);
BufferedImage image = ImageIO.read(url);
bannerPanel.add(new JLabel(new ImageIcon(image)));
}
catch (IOException ioe) {
ioe.printStackTrace();
}
JPanel msgPanel = new JPanel();
msgPanel.setLayout(new BoxLayout(msgPanel, BoxLayout.Y_AXIS));
msgPanel.setBackground(Color.WHITE);
msgPanel.add(new JLabel("<html><b>About Ignite</b></html>"));
msgPanel.add(Box.createVerticalStrut(5));
msgPanel.add(new JLabel(appName));
bannerPanel.add(msgPanel);
return bannerPanel;
}
/**
* Creates strut.
*
* @return Grid bag constraints.
*/
private GridBagConstraints gbcStrut() {
gbc.gridx = 0;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.insets = new Insets(5, 0, 0, 0);
return gbc;
}
/**
* @return Grid bag constraints.
*/
private GridBagConstraints gbcSeparator() {
gbc.gridx = 0;
gbc.gridwidth = GridBagConstraints.REMAINDER;
gbc.insets = new Insets(5, 10, 10, 10);
return gbc;
}
/**
* License label.
*
* @return Grid bag constraints.
*/
private GridBagConstraints gbcLicenseLabel() {
gbc.gridx = 0;
gbc.gridwidth = GridBagConstraints.RELATIVE;
gbc.anchor = GridBagConstraints.WEST;
gbc.insets = new Insets(0, 10, 5, 0);
return gbc;
}
/**
* License field.
*
* @return Grid bag constraints.
*/
private GridBagConstraints gbcLicenseField() {
gbc.gridx = 1;
gbc.gridwidth = GridBagConstraints.RELATIVE;
gbc.weightx = 400;
gbc.insets = new Insets(0, 10, 5, 10);
return gbc;
}
/**
* @return Panel with controls to display license.
*/
private JPanel createLicensePanel() {
JPanel licPanel = new JPanel(new GridBagLayout());
licPanel.add(Box.createVerticalGlue(), gbcStrut());
addAboutItem(licPanel, "Version:", ver);
addAboutItem(licPanel, "Release Date:", new SimpleDateFormat("dd MMM yyyy").format(release));
addAboutItem(licPanel, "Copyright:", copyright);
return licPanel;
}
/**
* @return Panel with close button.
*/
private JPanel createButtonPanel() {
closeBtn.setAction(closeAct);
closeBtn.setToolTipText("<html><b>Closes</b> Dialog</html>");
JPanel btnPanel = new JPanel();
btnPanel.add(closeBtn);
return btnPanel;
}
/**
* Initialize dialog.
*/
private void initDialog() {
setContentPane(initComponents());
pack();
setDefaultCloseOperation(DISPOSE_ON_CLOSE);
getRootPane().setDefaultButton(closeBtn);
setEscAction(closeAct);
setModal(true);
setResizable(false);
}
/**
* Add name and value labels.
*
* @param c Component.
* @param name Name.
* @param val Value.
*/
private void addAboutItem(JComponent c, String name, Object val) {
addAboutItem(c, name, val, null);
}
/**
* Add name and value labels.
*
* @param c Component.
* @param name Name.
* @param val Value.
* @param border Border.
*/
private void addAboutItem(JComponent c, String name, Object val, Border border) {
String v = val != null ? val.toString() : "n/a";
String tip = String.format("<html><b>%s</b> ➯ %s</html>", name, val);
JLabel lb = new JLabel(name);
lb.setToolTipText(tip);
JLabel field = new JLabel(v);
field.setOpaque(true);
field.setBackground(Color.WHITE);
field.setBorder(BorderFactory.createCompoundBorder(BorderFactory.createLineBorder(VALUE_BORDER_COLOR, 1),
BorderFactory.createEmptyBorder(0, 3, 0, 3)));
field.setToolTipText(tip);
if (border != null)
field.setBorder(border);
c.add(lb, gbcLicenseLabel());
c.add(field, gbcLicenseField());
}
/**
* Registers ESC button click with given action.
*
* @param act Escape button action.
*/
private void setEscAction(ActionListener act) {
assert(act != null);
getRootPane().registerKeyboardAction(act,
KeyStroke.getKeyStroke(KeyEvent.VK_ESCAPE, 0x0),
JComponent.WHEN_IN_FOCUSED_WINDOW
);
}
/**
* Show about dialog.
*
* @param appName Application name.
* @param bannerSpec Banner icon url spec.
* @param ver Version number.
* @param release Release date.
* @param copyright Copyright blurb.
*/
public static void centerShow(final String appName, final String bannerSpec,
final String ver, final Date release, final String copyright) {
SwingUtilities.invokeLater(new Runnable() {
@SuppressWarnings("NonThreadSafeLazyInitialization")
@Override public void run() {
if (aboutDlg == null) {
try {
aboutDlg = new AboutDialog(appName, bannerSpec, ver, release, copyright);
aboutDlg.setLocationRelativeTo(null);
aboutDlg.setVisible(true);
}
finally {
aboutDlg = null;
}
}
else {
aboutDlg.setLocationRelativeTo(null);
aboutDlg.toFront();
}
}
});
}
}