1    /* 
2    An extension of the interpreter1 program with more dots 
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    -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    */
13   
14   package interpreters;
15   
16   import painter.SPainter;
17   import shapes.SCircle;
18   import javax.swing.*;
19   import java.awt.*;
20   
21   public class Interpreter2 {
22       private void interpreter(){
23           //Create objects to think with
24           SPainter miro = new SPainter("Dot Thing",400,400);
25           miro.setScreenLocation(0,0);
26           SCircle dot = new SCircle(180);
27   
28           //Repeatedly take a command from an input dialog box and interpret it
29           while (true){
30               String command = JOptionPane.showInputDialog(null,"Command?");
31               if (command == null) { command = "exit";} //user clicked on cancel
32   
33               if (command.equalsIgnoreCase("blue")){
34                   miro.setColor(Color.BLUE);
35                   miro.paint(dot);
36               }
37               else if (command.equalsIgnoreCase("red")){
38                   miro.setColor(Color.RED);
39                   miro.paint(dot);
40               }
41               else if (command.equalsIgnoreCase("green")) {
42                   miro.setColor(Color.GREEN);
43                   miro.paint(dot);
44               }
45               else if (command.equalsIgnoreCase("yellow")) {
46                   miro.setColor(Color.YELLOW);
47                   miro.paint(dot);
48               }
49               else if (command.equalsIgnoreCase("help")){
50                   JOptionPane.showMessageDialog(null,"Valid commands are: " + "RED | BLUE | GREEN | YELLOW | HELP | EXIT");
51               }
52               else if (command.equalsIgnoreCase("exit")){
53                   miro.end();
54                   System.out.println("Thank you for viewing the dots....;)");
55                   break;
56               }
57               else {
58                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
59                   System.out.println("Type 'HELP' for list of commands");
60               }
61           }
62       }
63   
64       //Infrastructure for some simple painting
65   
66       public Interpreter2() {
67           interpreter();
68       }
69   
70       public static void main(String[] args){
71           SwingUtilities.invokeLater(new Runnable(){
72               public void run() {
73                   new Interpreter2();
74               }
75           });
76       }
77   
78   }
79