import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.JApplet;
import javax.swing.filechooser.*;

import java.io.IOException;
import java.io.File;

import java.net.UnknownHostException;

public class Simple extends JApplet implements ActionListener {

	private JFrame frame;
  	private JFileChooser chooser;
  	private File selected_file;
  	private Container cp;
  	private BorderLayout bl;
  	private JLabel file_label;
  	private JLabel loading_label;
  	private JProgressBar bar;
  	private int loaded;
  
  	public void init() {
    		chooser = new JFileChooser();
    		ExampleFileFilter avi_filter = new ExampleFileFilter("avi", "Avi Compressed Movie Files");
    		chooser.addChoosableFileFilter(avi_filter);

    		JButton browse_btn = new JButton("Parcourir...");
    		browse_btn.addActionListener(this);

    		cp = getContentPane();
    		bl = new BorderLayout();
    		cp.setLayout(bl);
    		cp.add(browse_btn, bl.NORTH);
    
    		file_label = new JLabel("Choisissez un fichier");
    		bar = new JProgressBar(0,99);
    		bar.setString("Progression");
    		bar.setStringPainted(true);
    		cp.add(file_label, bl.CENTER);
    		cp.add(bar, bl.SOUTH);
    		cp.validate();
	}
  
	public void start() {  
	}
  
	public void stop() {
	}
  
	public void destroy() {
	}

  	public void actionPerformed(ActionEvent e) {
    		int retval = chooser.showDialog(frame, null);
    
    		if ((retval == JFileChooser.APPROVE_OPTION) && (chooser.getSelectedFile() != null)) {
      			selected_file = chooser.getSelectedFile();
      			file_label.setText("Fichier : " + addSlashes(selected_file.getPath()));
      			cp.validate();
      			copyFile();
    		} 
    		else if (retval == JFileChooser.CANCEL_OPTION) {
      			JOptionPane.showMessageDialog(frame, "User cancelled operation. No file was chosen.");
    		} 
    		else if (retval == JFileChooser.ERROR_OPTION) {
      			JOptionPane.showMessageDialog(frame, "An error occured. No file was chosen.");
    		}
		else {
      			JOptionPane.showMessageDialog(frame, "Unknown operation occured.");
    		}
  	}
  
  	private void copyFile() {

    		Thread trd = new Thread() {
      
      			FTPConnection connection = new FTPConnection();
      
      			public void run() {
      
        			try {
        
          				if (connection.connect("127.0.0.1")) {
          
            					if (connection.login("toto", "toto")) {
              						connection.uploadFile(selected_file.getName(), addSlashes(selected_file.getPath()));
              						try {
                						Thread.sleep(500);
              						}
              						catch (InterruptedException e) {
              						}
            					}
          				}
          			connection.disconnect();
        			}
        			catch(UnknownHostException e) {
        			} 
        			catch(IOException e) {
        			}
      			}
    		};
    		trd.start();
          
    		while(trd.isAlive()) {	
          FTPConnection connection2 = new FTPConnection();
        
          try {
      
            if (connection2.connect("127.0.0.1")) {

              if (connection2.login("toto2", "toto2")) {
                loaded = (int)(connection2.getFileSize(selected_file.getName())*100/selected_file.length());

                Runnable updateBar = new Runnable() {
                          
                  public void run() {
                    bar.setString("Progression " + loaded + "%"); 
                    bar.setStringPainted(true);
                    bar.setValue(loaded);
                    cp.validate();
                  }
                };
                SwingUtilities.invokeLater(updateBar);
              }
        		}
            connection2.disconnect();
          }
          catch(UnknownHostException e) {
          } 
          catch(IOException e) {
          }
        }
  	}
 
  private String addSlashes(String file_name) {
    String tmp = "";
    int length = file_name.length();
    int index;
    
    for (index = 0; index < length; index++) {
      String tmp2 = String.valueOf(file_name.charAt(index));
      tmp += tmp2;
      
      if (tmp2.equals("\\")) {
        tmp += "\\";
      }
    }
    return tmp;
  }

}