Interpreter2.java
1    package Interpreters;
2    
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    public class Interpreter2 {
10       private void interpreter() {
11   
12           SPainter miro = new SPainter("Dot",400,400);
13           miro.setScreenLocation(0,0);
14           SCircle dot = new SCircle(180);
15   
16           while ( true ) {
17               String command = JOptionPane.showInputDialog(null,"Command?");
18               if ( command == null ) { command = "exit"; } // user clicked on Cancel
19               if ( command.equalsIgnoreCase("blue") ) {
20                   miro.setColor(Color.BLUE);
21                   miro.paint(dot);
22               } else if ( command.equalsIgnoreCase("red") ) {
23                   miro.setColor(Color.RED);
24                   miro.paint(dot);
25               } else if ( command.equalsIgnoreCase("help") ) {
26                   JOptionPane.showMessageDialog(null,"Valid commands are: "
27                           + "RED | BLUE | Green | Yellow | Help | Exit ");
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("exit") ) {
35                   miro.end();
36                   System.out.println("Thank you for viewing the dots ...");
37                   break;
38               } else {
39                   JOptionPane.showMessageDialog(null, "Unrecognizable command: "+ command.toUpperCase());
40               }
41           }
42       }
43       
44   
45       public Interpreter2() {
46           interpreter();
47       }
48       
49       public static void main(String[] args) {
50           SwingUtilities.invokeLater(new Runnable() {
51               public void run() {
52                   new Interpreter2();
53               }
54           });
55       }
56   }
57   
58