import java.awt.*;
import java.awt.event.*;
import java.awt.image.*;
import java.io.*;
import javax.imageio.*;
import javax.swing.*;

public class ImageApp extends Component implements KeyListener {           
    BufferedImage img;
    File[] imageList;

    public void paint(Graphics g) { 
	//g.drawImage(img, 0, 0, null);
	g.drawImage(img, 0, 0, 400, 600, null);
	g.setFont(new Font("Georgia", Font.ITALIC, 20));
        g.drawString("Hello graphics", 20, 30); 
    }
 
    public ImageApp() {
       try { img = ImageIO.read(new File("villa.jpg"));}
       catch (IOException e) { System.out.println("Image File not found"); }
       this.addKeyListener(this);
    }
 
    public void keyTyped(KeyEvent e) 
    {
      char key = e.getKeyChar();
      System.out.println("key typed:" + key); 

      switch (key)
      {
        case 'h': 
         this.setVisible(false);
          break;
        case 'l': 
       JFileChooser c = new JFileChooser();
       c.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
       int result = c.showOpenDialog(this);
       java.io.File folder = c.getSelectedFile();
       System.out.println("folder selected:" + folder ); 
       this.imageList = folder.listFiles();
       System.out.println("Files:" + java.util.Arrays.toString(this.imageList));
          break;
        default:
          break;
      }
      
    }
    public void keyPressed(KeyEvent e) {} 
    public void keyReleased(KeyEvent e) {}
      
    public Dimension getPreferredSize() {
        if (img == null) {
             return new Dimension(100,100);
        } else {
           //return new Dimension(img.getWidth(null), img.getHeight(null));
           return new Dimension(400, 600);
       }
    }
 
    public static void main(String[] args) { 
        JFrame f = new JFrame("Load Image Sample");
        f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        f.setLocationRelativeTo(null);
	ImageApp li = new ImageApp();
        f.add(li);
        f.pack();

	li.requestFocusInWindow();
        f.setVisible(true);
    }
}