1    package interpreters;
2    
3    import painter.SPainter;
4    import shapes.SCircle;
5    
6    import javax.swing.*;
7    import java.awt.*;
8    
9    public class Interpreter3 {
10       private void interpreter() {
11           // create objects to think with
12           SPainter micro = new SPainter("Dot Thing",400,400);
13           micro.setScreenLocation(0,0);
14           SCircle dot = new SCircle(180);
15   
16           //repeatedly take a command from an inpit dialog box and interpret it
17   
18           while (true) {
19               String command = JOptionPane.showInputDialog(null,"Command?");
20               if (command==null) { command = "exit"; } //user clicked on cancel
21               if (command.equalsIgnoreCase("blue") ) {
22                   micro.setColor(Color.blue);
23                   micro.paint(dot);
24               } else if (command.equalsIgnoreCase("red")) {
25                   micro.setColor(Color.red);
26                   micro.paint(dot);
27               } else if (command.equalsIgnoreCase("green")) {
28                   micro.setColor(Color.green);
29                   micro.paint(dot);
30               } else if (command.equalsIgnoreCase("yellow")) {
31                   micro.setColor(Color.yellow);
32                   micro.paint(dot);
33               } else if (command.equalsIgnoreCase("random")) {
34                   micro.setColor(randomColor());
35                   micro.paint(dot);
36               } else if (command.equalsIgnoreCase("help")) {
37                   JOptionPane.showMessageDialog(null,"Valid commands are: " + "RED | BLUE | GREEN | YELLOW | RANDOM | HELP | EXIT");
38   
39               } else if (command.equalsIgnoreCase("exit")) {
40                   micro.end();
41                   System.out.println("Thank you for viewing the dots...");
42                   break;
43   
44               } else {
45                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
46   
47               }
48           }
49       }
50   
51       private Color randomColor() {
52           int rv = (int) (Math.random()*256);
53           int gv = (int) (Math.random()*256);
54           int bv = (int) (Math.random()*256);
55           return new Color(rv,gv,bv);
56       }
57       // Infrastructure for some simple painting
58   
59       public Interpreter3() {
60           interpreter();
61   
62       }
63       public static void main(String[] args) {
64           SwingUtilities.invokeLater(new Runnable() {
65               public void run() {
66                   new Interpreter3();
67   
68               }
69           });
70       }
71   }
72   
73