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 java.awt.Color;
14   import javax.swing.JOptionPane;
15   import javax.swing.SwingUtilities;
16   import painter.SPainter;
17   import shapes.SCircle;
18   
19   public class Interpreter1 {
20   
21       private void interpreter(){
22   
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               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:"
40                   + "RED | BLUE | HELP | EXIT ");
41               } else if (command.equalsIgnoreCase("exit")){
42                   miro.end();
43                   System.out.println("Thttp://www.cs.oswego.edu/~YOURUSERNAME/CS1WorkSite/ hank you for viewing the dots ...");
44                   break;
45               } else {
46                   JOptionPane.showMessageDialog(null, "Unrecognizable command: "
47                   + command.toUpperCase());
48               }
49           }
50       }
51   
52       // INFRASTRUCTURE FOR SOME SIMPLE PAINTING
53   
54       public Interpreter1() {
55           interpreter();
56       }
57   
58       public static void main(String[] args) {
59           SwingUtilities.invokeLater(new Runnable() {
60               public void run() {
61                   new Interpreter1();
62               }
63           });
64       }
65   }
66