java-gui-swing/11b_menu_actions.java at main · cupertinii/java-gui-swing · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
import javax.swing.*;
import java.awt.event.*;

public class GUIApp {
  public static void main(String[] args) {
    JFrame frame = new JFrame("Cupertinii Swing GUI");
    frame.setSize(500, 500);

    // Menu Bar contains Menu contains MenuItemx
    JMenuBar myMenuBar = new JMenuBar();
    JMenu menu = new JMenu("File");
    JMenuItem item_new, item_save, item_saveas, item_exit;
    item_new = new JMenuItem("New");
    item_save = new JMenuItem("Save");
    item_saveas = new JMenuItem("Save As");
    item_exit = new JMenuItem("Exit");

    JMenu options_submenu = new JMenu("Options");
    JMenuItem item_change_color, item_change_size;
    item_change_color = new JMenuItem("Change Color");
    item_change_size = new JMenuItem("Change Size");

    menu.add(item_new);
    menu.add(item_save);
    menu.add(item_saveas);

    options_submenu.add(item_change_color);
    options_submenu.add(item_change_size);
    menu.add(options_submenu);

    menu.add(item_exit);
    myMenuBar.add(menu);

    item_new.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JMenuItem source = (JMenuItem) e.getSource();
        System.out.println("Clicked : " + source.getText() );
      }
    });

    item_save.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JMenuItem source = (JMenuItem) e.getSource();
        System.out.println("Clicked : " + source.getText() );
      }
    });

    item_saveas.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JMenuItem source = (JMenuItem) e.getSource();
        System.out.println("Clicked : " + source.getText() );
      }
    });

    item_exit.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        JMenuItem source = (JMenuItem) e.getSource();
        System.out.println("Clicked : " + source.getText() );
      }
    });

    frame.setJMenuBar(myMenuBar);
    frame.setLayout(null);
    frame.setVisible(true);
  }

}