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: pain a blue dot 
6     * -RED: paint a red dot 
7     * -GREEN: paint a green dot 
8     * -YELLOW: paint a yellow dot 
9     * -HELP: show a list of the commands in a dialog message box 
10    * -EXIT: terminate the program 
11    */
12   package Interpreters;
13   
14   import java.awt.Color;
15   import javax.swing.JOptionPane;
16   import javax.swing.SwingUtilities;
17   import painter.SPainter;
18   import shapes.SCircle;
19   
20   public class Interpreter2 {
21   
22       private void interpreter() {
23   
24           //CREATE OBJECTS TO THINK WITH
25           SPainter miro = new SPainter("Dot Thing", 400, 400);
26           miro.setScreenLocation(0, 0);
27           SCircle dot = new SCircle(180);
28   
29           //REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT
30           while (true) {
31               String command = JOptionPane.showInputDialog(null, "Command?");
32               if (command == null) {
33                   command = "exit";
34               }
35               if (command.equalsIgnoreCase("blue")) {
36                   miro.setColor(Color.BLUE);
37                   miro.paint(dot);
38               } else if (command.equalsIgnoreCase("red")) {
39                   miro.setColor(Color.RED);
40                   miro.paint(dot);
41               } else if (command.equalsIgnoreCase("green")) {
42                   miro.setColor(Color.GREEN);
43                   miro.paint(dot);
44               } else if (command.equalsIgnoreCase("yellow")) {
45                   miro.setColor(Color.YELLOW);
46                   miro.paint(dot);
47               } else if (command.equalsIgnoreCase("help")) {
48                   JOptionPane.showMessageDialog(null, "Valid commands are: "
49                           + "RED|BLUE|GREEN|YELLOW|HELP|EXIT");
50               } else if (command.equalsIgnoreCase("exit")) {
51                   miro.end();
52                   System.out.println("Thank you for viewing the dots... ");
53                   break;
54               } else {
55                   JOptionPane.showMessageDialog(null, "Unrecongizable comand: ");
56               }
57           }
58       }
59   
60       //INFRASTRUCTURE FOR SOME SIMPLE PAINTING
61   
62       public Interpreter2(){
63           interpreter();
64       }
65   
66       public static void main(String[] args) {
67           SwingUtilities.invokeLater(new Runnable() {
68               public void run() {
69                   new Interpreter2();
70               }
71           });
72       }
73   }
74   
75