1    package interpreters;
2    
3    /* 
4    This interpreter is intended to paint different colored dots in a window; 
5    The commands that the interpreter can recognize and respond to are: 
6     
7        -blue: paint a blue dot 
8        -red : paint a red dot 
9        -green: paint a green dot 
10       -yellow: paint a yellow dot 
11       -HELP: s'how a list of the commands in a dialog message box 
12       -EXIT: terminate the program 
13    
14    */
15   
16   import painter.SPainter;
17   import shapes.SCircle;
18   
19   import javax.swing.*;
20   import java.awt.*;
21   
22   
23   public class Interpreter2 {
24   
25       //Createe objects to think with
26       private void interpreter() {
27   
28           SPainter miro = new SPainter("Dot Thing", 400, 400);
29           miro.setScreenLocation(0, 0);
30           SCircle dot = new SCircle(180);
31   
32           //Repeatedly take a command from an input dialog box and interpret it
33   
34           while (true) {
35               String command = JOptionPane.showInputDialog(null, "Command?");
36               if (command == null) {command = "exit"; } //user clicked on Cancel
37   
38               if (command.equalsIgnoreCase("blue")) {
39                   miro.setColor(Color.BLUE);
40                   miro.paint(dot);
41               }
42               else if (command.equalsIgnoreCase("red")) {
43                   miro.setColor(Color.RED);
44                   miro.paint(dot);
45               }
46               else if (command.equalsIgnoreCase("green")) {
47                   miro.setColor(Color.GREEN);
48                   miro.paint(dot);
49               }
50               else if (command.equalsIgnoreCase("yellow")) {
51                   miro.setColor(Color.YELLOW);
52                   miro.paint(dot);
53               }
54               else if (command.equalsIgnoreCase("help")) {
55                   JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | YELLOW | GREEN | HELP | EXIT");
56               }
57               else if (command.equalsIgnoreCase("exit")) {
58                   miro.end();
59                   System.out.println("Thank you for viewing the dots....");
60                   break;
61               }
62               else {
63                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
64               }
65           }
66       }
67   
68       public Interpreter2() { interpreter(); };
69   
70       public static void main(String[] args) {
71           SwingUtilities.invokeLater(new Runnable() {
72               @Override
73               public void run() {
74                   new Interpreter2();
75               }
76           });
77       }
78   
79   }
80