davmail/src/java/davmail/ui/AboutFrame.java

116 lines
4.2 KiB
Java

package davmail.ui;
import davmail.DavGateway;
import davmail.BundleMessage;
import davmail.ui.tray.DavGatewayTray;
import javax.imageio.ImageIO;
import javax.swing.*;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.StyleSheet;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
/**
* About frame
*/
public class AboutFrame extends JFrame {
private final JEditorPane jEditorPane;
public AboutFrame() {
setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
setTitle(BundleMessage.format("UI_ABOUT_DAVMAIL"));
setIconImage(DavGatewayTray.getFrameIcon());
try {
JLabel imageLabel = new JLabel();
ClassLoader classloader = this.getClass().getClassLoader();
URL imageUrl = classloader.getResource("tray32.png");
Image iconImage = ImageIO.read(imageUrl);
ImageIcon icon = new ImageIcon(iconImage);
imageLabel.setIcon(icon);
JPanel imagePanel = new JPanel();
imagePanel.add(imageLabel);
add(BorderLayout.WEST, imagePanel);
} catch (IOException e) {
DavGatewayTray.error(new BundleMessage("LOG_UNABLE_TO_CREATE_ICON"), e);
}
jEditorPane = new JEditorPane();
HTMLEditorKit htmlEditorKit = new HTMLEditorKit();
StyleSheet stylesheet = htmlEditorKit.getStyleSheet();
stylesheet.addRule("body { font-size:small;font-family: " + jEditorPane.getFont().getFamily() + '}');
jEditorPane.setEditorKit(htmlEditorKit);
jEditorPane.setContentType("text/html");
jEditorPane.setText(getContent(null));
jEditorPane.setEditable(false);
jEditorPane.setOpaque(false);
jEditorPane.addHyperlinkListener(new HyperlinkListener() {
public void hyperlinkUpdate(HyperlinkEvent hle) {
if (HyperlinkEvent.EventType.ACTIVATED.equals(hle.getEventType())) {
try {
DesktopBrowser.browse(hle.getURL().toURI());
} catch (URISyntaxException e) {
DavGatewayTray.error(new BundleMessage("LOG_UNABLE_TO_OPEN_LINK"), e);
}
dispose();
}
}
});
JPanel mainPanel = new JPanel();
mainPanel.add(jEditorPane);
add(BorderLayout.CENTER, mainPanel);
JPanel buttonPanel = new JPanel();
JButton ok = new JButton(BundleMessage.format("UI_BUTTON_OK"));
ActionListener close = new ActionListener() {
public void actionPerformed(ActionEvent evt) {
dispose();
}
};
ok.addActionListener(close);
buttonPanel.add(ok);
add(BorderLayout.SOUTH, buttonPanel);
pack();
setResizable(false);
// center frame
setLocation(getToolkit().getScreenSize().width / 2 -
getSize().width / 2,
getToolkit().getScreenSize().height / 2 -
getSize().height / 2);
}
String getContent(String releasedVersion) {
Package davmailPackage = DavGateway.class.getPackage();
StringBuilder buffer = new StringBuilder();
buffer.append(BundleMessage.format("UI_ABOUT_DAVMAIL_AUTHOR"));
String currentVersion = davmailPackage.getImplementationVersion();
if (currentVersion != null) {
buffer.append(BundleMessage.format("UI_CURRENT_VERSION", currentVersion));
}
if (currentVersion != null && releasedVersion != null && currentVersion.compareTo(releasedVersion) < 0) {
buffer.append(BundleMessage.format("UI_LATEST_VERSION", releasedVersion));
}
buffer.append(BundleMessage.format("UI_HELP_INSTRUCTIONS"));
return buffer.toString();
}
public void update() {
jEditorPane.setText(getContent(DavGateway.getReleasedVersion()));
pack();
}
}