Interpreter1.java
1    /* 
2     *This interpreter is intended to paint different colored dots in a window. 
3     */
4    package interpreters;
5    
6    import java.awt.Color;
7    import javax.swing.JOptionPane;
8    import javax.swing.SwingUtilities;
9    import painter.SPainter;
10   import shapes.SCircle;
11   
12   public class Interpreter1 {
13   
14       private void interpreter() {
15   
16           //Create objects to thikn with
17           SPainter miro = new SPainter("Dot Thing", 400, 400);
18           miro.setScreenLocation(0, 0);
19           SCircle dot = new SCircle(180);
20   
21           //Repeatedly take a command from an input dialog box and interpret it
22   
23           while (true) {
24               String command = JOptionPane.showInputDialog(null, "Command?");
25               if (command == null) {
26                   command = "exit";
27               } // user clicked on Cancel
28               if (command.equalsIgnoreCase("blue")) {
29                   miro.setColor(Color.blue);
30                   miro.paint(dot);
31               } else if (command.equalsIgnoreCase("red")) {
32                   miro.setColor(Color.red);
33                   miro.paint(dot);
34               } else if (command.equalsIgnoreCase("help")) {
35                   JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | HELP | EXIT ");
36               } else if (command.equalsIgnoreCase("exit")) {
37                   miro.end();
38                   System.out.println("Thank you for viewing the dots ...");
39                   break;
40               } else {
41                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
42               }
43   
44   
45           }
46       }
47   
48   
49       //  INFRASTRUCTURE FOR SOME SIMPLE PAINTING
50   
51       public Interpreter1() {
52           interpreter();
53       }
54   
55       public static void main(String[] args) {
56           SwingUtilities.invokeLater(new Runnable() {
57               public void run() {
58                   new Interpreter1();
59               }
60           });
61       }
62   }
63