1 /*
 2  * This interpreter is intended to paint different clored 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 painter.SPainter;
18 import shapes.SCircle;
19 
20 /**
21  *
22  * @author akc
23  */
24 public class Interpreter2 {
25 
26     private void interpreter(){
27         
28         // CREATE OBJECTS TO THINK WITH
29         SPainter miro = new SPainter ("Dot Thing",400,400);
30         miro.setScreenLocation(0, 0);
31         SCircle dot = new SCircle(180);
32         
33         // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT
34         while (true) {
35             String command = JOptionPane.showInputDialog(null,"Command?");
36             if ( command == null ) { command = "exit"; } // user clicked on Cancel
37             if ( command.equalsIgnoreCase("blue") ) {
38                 miro.setColor(Color.BLUE);
39                 miro.paint(dot);
40             }else if (command.equalsIgnoreCase("red")){
41                 miro.setColor(Color.RED);
42                 miro.paint(dot);
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             }else if (command.equalsIgnoreCase("help")){
50                 JOptionPane.showMessageDialog(null,"Valid commands are: "
51                 +"RED | BLUE | GREEN | YELLOW | HELP | EXIT");
52             }else if(command.equalsIgnoreCase("exit")) {
53              miro.end();
54              System.out.println("Thank you for viewing the dots ...");
55              break;
56             }else{
57                 JOptionPane.showMessageDialog(null, "Unrecognizable command: "
58                         +command.toUpperCase());
59             }
60         }
61     }
62     
63     // INFASTRUCTURE FOR SOME SIMPLE PAINTING
64     
65     public Interpreter2() {
66         interpreter();
67     }
68     
69     public static void main(String[] args) {
70         SwingUtilities.invokeLater(new Runnable() {
71             public void run() {
72                 new Interpreter2();
73             }
74         });
75     }
76 }
77