1    /* 
2     * This interpreter 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   package interpreters;
13   
14   import java.awt.Color;
15   import javax.swing.JOptionPane;
16   import javax.swing.SwingUtilities;
17   import shapes.SCircle;
18   import painter.SPainter;
19   
20   public class Interpreter2 {
21   
22       private void interpreter() {
23   
24           //CREAT OBJECTS TO THINK WITH
25   
26           SPainter miro = new SPainter("Dot thing", 400, 400);
27           miro.setScreenLocation(0, 0);
28           SCircle dot = new SCircle(180);
29           // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT
30           while (true) {
31               String command = JOptionPane.showInputDialog(null, "Command?");
32               if (command == null) {
33                   command = "exit";
34               } // user clicked on Cancel
35               if (command.equalsIgnoreCase("blue")) {
36   
37                   miro.setColor(Color.BLUE);
38                   miro.paint(dot);
39               } else if (command.equalsIgnoreCase("red")) {
40                   miro.setColor(Color.RED);
41                   miro.paint(dot);
42   
43               } else if (command.equalsIgnoreCase("green")) {
44                   miro.setColor(Color.GREEN);
45                   miro.paint(dot);
46               } else if (command.equalsIgnoreCase("yellow")) {
47                   miro.setColor(Color.YELLOW);
48                   miro.paint(dot);
49   
50               } else if (command.equalsIgnoreCase("help")) {
51                   JOptionPane.showMessageDialog(null, "Valid commands are:" + "RED | BLUE| GREEN | YELLOW| HELP | EXIT ");
52   
53               } else if (command.equalsIgnoreCase("exit")) {
54                   miro.end();
55                   System.out.println("Thank you for viewing dots. . .");
56                   break;
57   
58               } else {
59                   JOptionPane.showMessageDialog(null, "Unrecognizable command:" + command.toUpperCase());
60   
61   
62               }
63   
64           }
65       }
66   
67       //INFRASTRUCTURE  FOR SOME SIMPLE PAINTING
68       public  Interpreter2() {
69           interpreter();
70       }
71   
72       public static void main(String[]args) {
73           SwingUtilities.invokeLater(new Runnable() {
74               public void run() {
75                   new Interpreter2();
76   
77   
78   
79               }
80           });
81   
82   
83   
84       }
85   
86   
87   
88   }
89