1    
2    /* 
3     * This interpreter is intended to paint different colored dots in a window. 
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   package interpreters;
11   
12   import painter.SPainter;
13   import shapes.SCircle;
14   
15   import javax.swing.*;
16   import java.awt.*;
17   
18   public class Interpreter1 {
19       private void interpreter(){
20           //Create objects to think with
21           SPainter miro = new SPainter("Dot Thing", 400 ,400);
22           miro.setScreenLocation(0,0);
23           SCircle dot = new SCircle(180);
24           //Repeatedly take a command from a input dialog vox and interpret it
25           while ( true ) {
26               String command = JOptionPane.showInputDialog(null, "Command?");
27               if (command == null) { command = "exit"; } // user clicked cancel
28               if (command.equalsIgnoreCase("blue")) {
29                   miro.setColor(Color.blue);
30                   miro.paint(dot);
31               } else if (command.equalsIgnoreCase("red")) {
32                   miro.setColor(Color.red);
33                   miro.paint(dot);
34               } else if (command.equalsIgnoreCase("help")) {
35                   JOptionPane.showMessageDialog(null, "Valid commands are: " + "Red | Blue | Help | Exit ");
36               }else if (command.equalsIgnoreCase("exit")) {
37                   miro.end();
38                   System.out.println("Thank you for viewing the dots ...");
39                   break;
40               } else {
41                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
42               }
43           }
44       }
45   
46       //Infrastructure for some simple painting
47   
48       public Interpreter1(){
49           interpreter();
50       }
51   
52       public static void main(String[] args) {
53           SwingUtilities.invokeLater(new Runnable() {
54               public void run() {
55                   new Interpreter1();
56               }
57           });
58       }
59   }
60