bprocessor-commit

[rimestad <rim...@us...>]

Update of /cvsroot/bprocessor/gui/src/net/sourceforge/bprocessor/gui/actions
In directory sc8-pr-cvs3.sourceforge.net:/tmp/cvs-serv30754/src/net/sourceforge/bprocessor/gui/actions

Added Files:
	AboutActionListener.java 
Log Message:
enabled the about button and made a actionlistener for it... made a somewhat boring about splash, should be improved, but contains a link that can be clicked.

--- NEW FILE: AboutActionListener.java ---
//---------------------------------------------------------------------------------
// $Id: AboutActionListener.java,v 1.1 2006/11/28 20:51:57 rimestad Exp $
//
// Copyright (c) 2005      The BProcessor Team (http://bprocessor.sourceforge.net) 
// Released under the Lesser GNU Public License v2.1
//---------------------------------------------------------------------------------

package net.sourceforge.bprocessor.gui.actions;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.io.BufferedReader;
import java.io.FileReader;
import java.lang.reflect.Method;
import java.net.URL;

import javax.swing.Box;
import javax.swing.ImageIcon;
import javax.swing.JEditorPane;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.event.HyperlinkEvent;
import javax.swing.event.HyperlinkListener;
import javax.swing.text.html.HTMLEditorKit;
import javax.swing.text.html.HTMLFrameHyperlinkEvent;

import org.apache.log4j.Logger;

/**
 * The FileCloseActionListener
 */

public class AboutActionListener implements ActionListener {

  /** The logger */
  private static Logger log = Logger.getLogger(AboutActionListener.class);
  
  /**
   * Constructs  the FileCloseActionListner
   */
  public AboutActionListener() {
    super();
  }

  /**
   * Clears the project
   * @param event The event
   */
  public void actionPerformed(ActionEvent event) {
    JFrame frame = new JFrame("About");
    frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    ClassLoader cl = Thread.currentThread().getContextClassLoader();
    URL url = cl.getResource("splash3_24bit.png");
    JLabel l = new JLabel(new ImageIcon(url));
    Container c = frame.getContentPane();
    c.setBackground(Color.WHITE);
    c.add(l, BorderLayout.CENTER);
    Box txt = Box.createVerticalBox();
    txt.setBackground(Color.WHITE);
    try {
      BufferedReader br = new BufferedReader(new FileReader(".version.file"));
      String s = "Version: " + br.readLine();
      Box version = Box.createHorizontalBox();
      JLabel ver = new JLabel(s);
      ver.setForeground(Color.GRAY);
      version.add(Box.createHorizontalStrut(10));
      version.add(ver);
      version.add(Box.createHorizontalGlue());
      txt.add(version);
    } catch (Exception e) {
      log.error(e.getMessage());
    }
    String rest = "<html>The B-processor is a open source project driven by " +
        "Alexandra instituttet,<br>" +
        "Aarhus School of Architecture and Technological Institute.<br><br>" +
        "To read more about the project visit " +
        "<a href=http://www.b-processor.dk>www.b-processor.dk</a></html>";
    JEditorPane hmm = new JEditorPane();
    hmm.setEditorKit(new HTMLEditorKit());
    hmm.setText(rest);
    hmm.setEditable(false);
    hmm.addHyperlinkListener(new Hyperactive());
    Box insert = Box.createHorizontalBox();
    insert.add(Box.createHorizontalStrut(10));
    insert.add(hmm);
    insert.add(Box.createHorizontalGlue());
    txt.add(insert);
    c.add(txt, BorderLayout.SOUTH);
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Dimension labelSize = l.getPreferredSize();
    frame.setLocation(screenSize.width / 2 - (labelSize.width / 2), screenSize.height
        / 2 - (labelSize.height / 2));
    frame.pack();
    frame.pack();
    frame.setVisible(true);
  }
  
  /**
   * Static method to open url in a system browser
   * @param url the string url to open
   */ 
  public static void openURL(String url) { 
    String osName = System.getProperty("os.name"); 
    try { 
      if (osName.startsWith("Mac OS")) {
        Class fileMgr = Class.forName("com.apple.eio.FileManager"); 
        Method openURL = fileMgr.getDeclaredMethod("openURL", new Class[] {String.class}); 
        openURL.invoke(null, new Object[] {url}); 
      } else if (osName.startsWith("Windows")) {
        Runtime.getRuntime().exec("rundll32 url.dll,FileProtocolHandler " + url); 
      } else { //assume Unix or Linux 
        String[] browsers = {"firefox", "opera", "konqueror", "epiphany", "mozilla", "netscape"}; 
        String browser = null; 
        for (int count = 0; count < browsers.length && browser == null; count++) {
          if (Runtime.getRuntime().exec(new String[]{"which", browsers[count]}).waitFor() == 0) {
            browser = browsers[count];
          }
        }
        if (browser == null) {
          throw new Exception("Could not find web browser"); 
        } else {
          Runtime.getRuntime().exec(new String[] {browser, url}); 
        }
      }
    } catch (Exception e) { 
      JOptionPane.showMessageDialog(null, 
          "Error attempting to launch web browser" + ":\n" + e.getLocalizedMessage()); 
    } 
  }
  
  /**
   * Listener for reacting on the hyperlink event
   */
  class Hyperactive implements HyperlinkListener { 
    /**
     * The method for the update event
     * @param e the hyperlinkevent
     */
    public void hyperlinkUpdate(HyperlinkEvent e) {
      if (e.getEventType() == HyperlinkEvent.EventType.ACTIVATED) {
        if (e instanceof HTMLFrameHyperlinkEvent) {
          HTMLFrameHyperlinkEvent  evt = (HTMLFrameHyperlinkEvent)e;
          AboutActionListener.openURL(evt.getURL().toString());
        } else {
          try {
            AboutActionListener.openURL(e.getURL().toString());
          } catch (Throwable t) {
            t.printStackTrace();
          }
        }
      }
    }
  }
}