1 package interpreters; 2 3 import painter.SPainter; 4 import shapes.SCircle; 5 6 import javax.swing.*; 7 import java.awt.*; 8 9 public class Interpreter3 { 10 private void interpreter() { 11 // CREATE OBJECTS TO THINK WITH 12 SPainter miro = new SPainter("Dot Thing",400,400); 13 miro.setScreenLocation(0,0); 14 SCircle dot = new SCircle(180); 15 // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT 16 while ( true ) { 17 String command = JOptionPane.showInputDialog(null, "Command?"); 18 if (command == null) { 19 command = "exit"; 20 } // 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 }else if (command.equalsIgnoreCase("help")) { 37 JOptionPane.showMessageDialog(null, "Valid commands are: " 38 + "RED | BLUE | GREEN | YELLOW | RANDOM | HELP | EXIT "); 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 private Color randomColor() { 50 int rv = (int)(Math.random()*256); 51 int gv = (int)(Math.random()*256); 52 int bv = (int)(Math.random()*256); 53 return new Color(rv,gv,bv); 54 } 55 56 public Interpreter3() { 57 interpreter(); 58 } 59 public static void main(String[] args) { 60 SwingUtilities.invokeLater(new Runnable() { 61 public void run() { 62 new Interpreter3(); 63 } 64 }); 65 } 66 } 67