1    /* 
2     * This interpeter 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     * -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   package interpreters;
14   
15   import java.awt.Color;
16   import javax.swing.JOptionPane;
17   import javax.swing.SwingUtilities;
18   import painter.SPainter;
19   import shapes.SCircle;
20   
21   public class Interpreter2 {
22   
23       private void interpreter() {
24   
25           //CREATE OBJECTS TO THINK WITH
26           SPainter miro = new SPainter("Dot Thing", 400,400);
27           miro.setScreenLocation(0,0);
28           SCircle dot = new SCircle(180);
29   
30           // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT
31           while ( true ) {
32               String command = JOptionPane.showInputDialog(null, "Command");
33               if ( command == null ) { command = "exit"; } //user clicked on Cancel
34               if ( command.equalsIgnoreCase("blue") ) {
35                   miro.setColor(Color.BLUE);
36                   miro.paint(dot);
37               } else if (command.equalsIgnoreCase("green")) {
38                   miro.setColor(Color.GREEN);
39                   miro.paint(dot);
40               } else if (command.equalsIgnoreCase("yellow")) {
41                   miro.setColor(Color.YELLOW);
42                   miro.paint(dot);
43               } else if (command.equalsIgnoreCase("red")) {
44                   miro.setColor(Color.RED);
45                   miro.paint(dot);
46               } else if ( command.equalsIgnoreCase("help")) {
47                   JOptionPane.showMessageDialog(null,"Valid commands are : " + "RED | BLUE | GREEN | YELLOW | HELP | Exit ");
48               } else if ( command.equalsIgnoreCase("exit") ){
49                   miro.end();
50                   System.out.println("Thank you for viewing the dots ...");
51                   break;
52               } else {
53                   JOptionPane.showMessageDialog(null, "Unrecognizeable command: " + command.toUpperCase());
54               }
55           }
56       }
57   
58       // INFRASTRUCTURE FOR SOME SIMPLE PAINTING
59   
60       public Interpreter2() {
61           interpreter();
62       }
63   
64       public static void main(String[] args) {
65           SwingUtilities.invokeLater(new Runnable() {
66               public void run() {
67                   new Interpreter2();
68               }
69           });
70       }
71   }
72   
73