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 Interpreters1 {
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 FROM 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("help")) {
39                   JOptionPane.showMessageDialog(null, "Valid Commands are:" + "RED | BLUE| HELP | EXIT");
40               } else if (command.equalsIgnoreCase("exit")) {
41                   miro.end();
42                   System.out.println("Thank you for viewing hte dots...");
43                   break;
44               } else {
45                   JOptionPane.showMessageDialog(null, "Unrecognizable command: "
46                           + command.toUpperCase());
47               }
48           }
49       }
50       // INFRASTRUCTURE FOR SOME SIMPLE PAINTING
51       public Interpreters1(){
52           interpreter();
53       }
54       public static void main(String[] args){
55           SwingUtilities.invokeLater(new Runnable() {
56               @Override
57               public void run() {
58                   new Interpreters1();
59               }
60           });
61       }
62   
63   }
64