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