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   
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   
21   public class Interpreter1 {
22   
23       private void interpreter() {
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){command = "exit";} //user clicked on Cancel
33               if (command.equalsIgnoreCase("blue")){
34                   miro.setColor(Color.BLUE);
35                   miro.paint(dot);
36               } else if (command.equalsIgnoreCase("red")) {
37                   miro.setColor(Color.RED);
38                   miro.paint(dot);
39               } else if (command.equalsIgnoreCase("help")) {
40                   JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | HELP | EXIT");
41               } else if (command.equalsIgnoreCase("exit")) {
42                   miro.end();
43                   System.out.println("Thank you for viewing the dots ...");
44                   break;
45               } else {
46                   JOptionPane.showMessageDialog(null, "Unrecognizable command:" + command.toUpperCase());
47   
48   
49   
50               }
51           }
52   
53       }
54       public Interpreter1() {
55           interpreter();
56       }
57       public static void main(String[] args) {
58           SwingUtilities.invokeLater(new Runnable() {
59               public void run() {
60                   new Interpreter1();
61               }
62           });
63       }
64   }
65