1    package interpreters;
2    
3    import java.awt.*;
4    import javax.swing.*;
5    import painter.SPainter;
6    import shapes.SCircle;
7    
8    public class Interpreter3 {
9    
10       private void interpreter(){
11   
12           //CREATE OBJECTS TO THINK WITH
13           SPainter miro = new SPainter("Dot Thing", 400, 400);
14           miro.setScreenLocation(0,0);
15           SCircle dot = new SCircle(180);
16   
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"; } //User clicked on Cancel
21               if (command.equalsIgnoreCase("blue")){
22                   miro.setColor(Color.BLUE);
23                   miro.paint(dot);
24               } else if (command.equalsIgnoreCase("red")) {
25                   miro.setColor(Color.RED);
26                   miro.paint(dot);
27               } else if (command.equalsIgnoreCase("green")){
28                   miro.setColor(Color.GREEN);
29                   miro.paint(dot);
30               } else if (command.equalsIgnoreCase("yellow")){
31                   miro.setColor(Color.YELLOW);
32                   miro.paint(dot);
33               } else if (command.equalsIgnoreCase("random")){
34                   miro.setColor(randomColor());
35                   miro.paint(dot);
36               }
37               else if (command.equalsIgnoreCase("help")){
38                   JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | YELLOW | GREEN | RANDOM | HELP | CANCEL");
39               } else if (command.equalsIgnoreCase("exit")){
40                   miro.end();
41                   System.out.println("Thank you for viewing the dots...");
42                   break;
43               } else {
44                   JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase());
45               }
46           }
47   
48       }
49   
50       private static Color randomColor() {
51           int rv = (int)(Math.random()*256);
52           int gv = (int)(Math.random()*256);
53           int bv = (int)(Math.random()*256);
54           return new Color(rv,gv,bv);
55       }
56   
57       //INFRASTRUCTURE FOR SOME SIMPLE PAINTING
58       public Interpreter3(){
59           interpreter();
60       }
61   
62       public static void main(String[] args){
63           SwingUtilities.invokeLater(new Runnable() {
64               public void run() {
65                   new Interpreter3();
66               }
67           });
68       }
69   }
70