AboutDialog.java

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package org.libcsdbg.jtracer;

import java.io.File;

import java.net.URL;

import java.awt.Insets;
import java.awt.Dimension;
import java.awt.BorderLayout;

import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.WindowConstants;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JEditorPane;

public class AboutDialog extends JDialog implements HyperlinkListener
{
  private static final long serialVersionUID = 0x00;


  AboutDialog(JFrame owner)
  {
    super(owner, true);
    Registry conf = Registry.getCurrent();
    setTitle("About " + (String) conf.get("generic", "name"));

    try {
      File page = conf.getResource("var/about.html");
      JEditorPane viewer = new JEditorPane(page.toURI().toURL());

      viewer.putClientProperty(JEditorPane.W3C_LENGTH_UNITS, true);
      viewer.putClientProperty(JEditorPane.HONOR_DISPLAY_PROPERTIES, true);
      viewer.setEditable(false);
      viewer.setFocusable(false);
      viewer.setMargin(new Insets(0, 0, 0, 0));
      if (Registry.isLinux())
        viewer.setPreferredSize(new Dimension(334, 380));
      else
        viewer.setPreferredSize(new Dimension(334, 400));

      viewer.addHyperlinkListener(this);
      add(viewer, BorderLayout.CENTER);
    }

    catch (Throwable t) {
      Registry.debug(t);
      dispose();
      return;
    }

    setResizable(false);
    setDefaultCloseOperation(WindowConstants.HIDE_ON_CLOSE);
    pack();
  }


  public void hyperlinkUpdate(HyperlinkEvent event)
  {
    try {
      if (event.getEventType() != HyperlinkEvent.EventType.ACTIVATED)
        return;

      URL url = event.getURL();
      String proto = url.getProtocol();
      Registry conf = Registry.getCurrent();

      if (proto.equals("file"))
        setVisible(false);

      else if (proto.equals("mailto"))
        conf.mail(url);

      else if (proto.equals("http"))
        conf.browse(url);
    }

    catch (Throwable t) {
      Registry.debug(t);
    }
  }
}