1    
2    package interpreters;
3    import java.awt.Color;
4    import javax.swing.JOptionPane;
5    import javax.swing.SwingUtilities;
6    import painter.SPainter;
7    import shapes.SCircle;
8    
9    
10   public class Interpreter2 {
11   
12       private void interpreter() {
13           // CREATE OBJECTS TO THINK WITHS
14           SPainter miro = new SPainter("Dot Thing",400,400);
15           miro.setScreenLocation(0,0);
16           SCircle dot = new SCircle(180);
17           // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT
18           while ( true ) {
19               String command = JOptionPane.showInputDialog(null,"Command?");
20               if ( command == null ) { command = "exit"; }
21               // user clicked on Cancel
22               if ( command.equalsIgnoreCase("blue") ) {
23                   miro.setColor(Color.BLUE);
24                   miro.paint(dot);
25               } else if ( command.equalsIgnoreCase("red") ) {
26                   miro.setColor(Color.RED);
27                   miro.paint(dot);
28               } else if ( command.equalsIgnoreCase("green") ){
29                   miro.setColor(Color.GREEN);
30                   miro.paint(dot);
31               } else if ( command.equalsIgnoreCase("yellow") ) {
32                   miro.setColor(Color.YELLOW);
33                   miro.paint(dot);
34               } else if ( command.equalsIgnoreCase("help") ) {
35                   JOptionPane.showMessageDialog(null,"Valid commands are: " +
36                           ""+ "RED | BLUE | GREEN | YELLOW | HELP | EXIT ");
37               }
38               else if ( command.equalsIgnoreCase("exit") ) {miro.end();
39   
40                   System.out.println("Thank you for viewing the dots ...");
41                   break;
42               } else {
43                   JOptionPane.showMessageDialog(null, "Unrecognizable command: "
44                           + command.toUpperCase());
45               }
46           }
47       }
48   
49       public Interpreter2() {
50           interpreter();
51       }
52   
53       public static void main(String[] args) {
54           SwingUtilities.invokeLater(new Runnable() {
55   
56               public void run() {
57                   new Interpreter2();
58               }
59           });
60       }
61   }
62   // INFRASTRUCTURE FOR SOME SIMPLE PAINTINGpublic Interpreter1() {interpreter();}public static void main(String[] args) {SwingUtilities.invokeLater(new Runnable()
63   // {public void run() {new Interpreter1();}});}}