1 package interpreters; 2 3 import java.awt.*; 4 import javax.swing.*; 5 import painter.SPainter; 6 import shapes.SCircle; 7 8 public class Interpreter2 { 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("help")){ 34 JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | YELLOW | GREEN | HELP | CANCEL"); 35 } else if (command.equalsIgnoreCase("exit")){ 36 miro.end(); 37 System.out.println("Thank you for viewing the dots..."); 38 break; 39 } else { 40 JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase()); 41 } 42 } 43 44 } 45 46 //INFRASTRUCTURE FOR SOME SIMPLE PAINTING 47 public Interpreter2(){ 48 interpreter(); 49 } 50 51 public static void main(String[] args){ 52 SwingUtilities.invokeLater(new Runnable() { 53 public void run() { 54 new Interpreter2(); 55 } 56 }); 57 } 58 } 59