WindowExample.java

import java.awt.*; // import OS agnostic swing libraries
import java.awt.event.*;
import javax.swing.*;
import java.time.LocalDate;
import java.util.Calendar;
import java.text.SimpleDateFormat;

// Driver
public class WindowExample extends JFrame {
    static Image img;
    JButton buttonHappy, buttonSad, buttonOK, buttonNOT;
    JPanel areaPanel, topPanel, leftPanel;
    JLayeredPane bottomPanel;

    public static void main(String[] args) {
        WindowExample w = new WindowExample();
        w.make();
    }

    public void make() {
        this.setTitle("CS376: Example Window ");
        this.setSize(800, 800);

        areaPanel = new JPanel();
        areaPanel.setLayout(new BorderLayout());

        topPanel = new JPanel();
        JLabel labelTop = new JLabel("You are a CS376 rockstar! Today:");

        // 1. left panel creation here

        leftPanel = new JPanel();
        leftPanel.setLayout(new BoxLayout(leftPanel,0));
        // 2. bottom pane creation here
        bottomPanel = new JLayeredPane();
        bottomPanel.setPreferredSize(new Dimension(600, 600));

        // 3. happy and sad image buttons
        buttonHappy = new JButton(new HappyAction());
buttonSad = new JButton(new SadAction());
        // 4. happy and sad button change image


buttonOK = new JButton("OK");
buttonNOT = new JButton("Not OK");






        // 5. happy sad images creation here
        ImageIcon imgHappy = new ImageIcon("images/smiley.png");
        JLabel imgLabelHappy = new JLabel(imgHappy);
        JScrollPane scrollPaneHappy = new JScrollPane(imgLabelHappy);
        scrollPaneHappy.setBounds(10, 50, imgHappy.getIconWidth() + 10, imgHappy.getIconHeight() + 10);

        ImageIcon imgSad = new ImageIcon("images/frowny.png");
        JLabel imgLabelSad = new JLabel(imgSad);
        JScrollPane scrollPaneSad = new JScrollPane(imgLabelSad);
        scrollPaneSad.setBounds(10, 50, imgSad.getIconWidth() + 10, imgSad.getIconHeight() + 10);

        // 6. OK and NOT button listeners to change images
        
buttonNOT.addActionListener(new ActionListener() {
  @Override
  public void actionPerformed(ActionEvent ae) {
    scrollPaneSad.setVisible(false);
    scrollPaneHappy.setVisible(true);
  }
});
buttonOK.addActionListener(new ActionListener() {
  @Override
  public void actionPerformed(ActionEvent ae) {
    scrollPaneHappy.setVisible(false);
    scrollPaneSad.setVisible(true);
  }
});

        // 7. labels with image signature
        JLabel labelBottom = new JLabel("Image Signature ");
        labelBottom.setBounds(10, 0, 300, 50);

        // 8. add top panels to frame
        topPanel.add(labelTop);
        areaPanel.add(BorderLayout.PAGE_START, topPanel);

        // 9. add buttons Happy and Sad to left panel
        leftPanel.add(buttonHappy);
leftPanel.add(buttonSad);

        // 10. add buttons OK and NOT to left panel
        leftPanel.add(buttonOK);
leftPanel.add(buttonNOT);

        // 11. add left panel to frame
        areaPanel.add(BorderLayout.LINE_START,leftPanel);

        // 12. add images to bottom panel
        bottomPanel.add(labelBottom);
        bottomPanel.add(scrollPaneHappy);
        bottomPanel.add(scrollPaneSad);

        // 13. add bottom panel to frame
        areaPanel.add(BorderLayout.PAGE_END, bottomPanel);

        this.add(areaPanel);
        this.pack();
        this.setVisible(true);
    }

    // 14. addTime method implementation
    private String addTime(){
  String date = new SimpleDateFormat("yyyy-MM-dd:hh:mm:ss zzz yyyy").format(Calendar.getInstance().getTime());
  return date;
}

    // 15. imgSignature method implementation
    private String imgSignature(ImageIcon img){
  int hash = System.identityHashCode(img);
  return String.valueOf(hash);
}

}

// 16. Happy and Sad Action listeners implementation
class HappyAction extends AbstractAction{
  HappyAction(){ super("Good"); }
  @Override
  public void actionPerformed(ActionEvent arg0) {
    System.out.println("Good");
  }
}
class SadAction extends AbstractAction{
  SadAction(){ super("Sad"); }
  @Override
  public void actionPerformed(ActionEvent arg0) {
    System.out.println("Noooot Good");
  }
}