1 package interpreters; 2 3 import java.awt.*; 4 import javax.swing.*; 5 import painter.SPainter; 6 import shapes.SCircle; 7 8 public class Interpreter1 { 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("help")){ 28 JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | HELP | CANCEL"); 29 } else if (command.equalsIgnoreCase("exit")){ 30 miro.end(); 31 System.out.println("Thank you for viewing the dots..."); 32 break; 33 } else { 34 JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase()); 35 } 36 } 37 38 } 39 40 //INFRASTRUCTURE FOR SOME SIMPLE PAINTING 41 public Interpreter1(){ 42 interpreter(); 43 } 44 45 public static void main(String[] args){ 46 SwingUtilities.invokeLater(new Runnable() { 47 public void run() { 48 new Interpreter1(); 49 } 50 }); 51 } 52 } 53