1 package interpreters; 2 3 import java.awt.Color; 4 import javax.swing.JOptionPane; 5 import javax.swing.SwingUtilities; 6 7 import painter.SPainter; 8 import shapes.SCircle; 9 10 public class Interpreter3 { 11 private void interpreter() { 12 //Create OBJECTS TO THINK WITH 13 SPainter miro = new SPainter("Dot string", 400, 400); 14 miro.setScreenLocation(0, 0); 15 SCircle dot = new SCircle(180); 16 // REPEATEDLY TAKE A COMMAND FROM AN INPUT DIALOG BOX AND INTERPRET IT 17 while (true) { 18 String command = JOptionPane.showInputDialog(null, "command?"); 19 if (command == null) { 20 command = "exit"; 21 }//user clicked on cancel 22 if (command.equalsIgnoreCase("blue")) { 23 miro.setColor(Color.blue); 24 miro.paint(dot); 25 } else if (command.equalsIgnoreCase("red")) { 26 miro.setColor(Color.red); 27 miro.paint(dot); 28 29 } else if (command.equalsIgnoreCase("Green")) { 30 miro.setColor(Color.GREEN); 31 miro.paint(dot); 32 } else if (command.equalsIgnoreCase("Yellow")) { 33 miro.setColor(Color.yellow); 34 miro.paint(dot); 35 } else if (command.equalsIgnoreCase("random")) { 36 miro.setColor(randomColor()); 37 miro.paint(dot); 38 39 } else if (command.equalsIgnoreCase("help")) { 40 JOptionPane.showMessageDialog(null, "valid commands are:" 41 + "Red| BLUE |Green|YELLOW | Random | HELP |EXIT"); 42 43 } else if (command.equalsIgnoreCase("exit")) { 44 miro.end(); 45 System.out.println(" Thank you for viewing the dots..."); 46 break; 47 } else { 48 JOptionPane.showMessageDialog(null, "Unrecognizable command:" + command.toUpperCase()); 49 } 50 //INFRASTRUCTURE FOR SOME SIMPLE PAINTING 51 52 53 } 54 } 55 56 private static Color randomColor() { 57 int rv = (int) (Math.random() * 256); 58 int gv = (int) (Math.random() * 256); 59 int bv = (int) (Math.random() * 256); 60 return new Color(rv, gv, bv); 61 } 62 63 64 public Interpreter3() { 65 interpreter(); 66 } 67 68 public static void main(String[] args) { 69 SwingUtilities.invokeLater(new Runnable() { 70 public void run() { 71 new Interpreter3(); 72 } 73 }); 74 75 } 76 } 77