1 /* 2 *This interpreter is intended to paint different colored 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 * - HELP: show a list of the commands in a dialog message box* 8 * - EXIT: terminate the program 9 */ 10 11 package interpreters; 12 13 import painter.SPainter; 14 import shapes.SCircle; 15 16 import javax.swing.*; 17 import java.awt.*; 18 19 public class Interpreter3 { 20 private void Interpreter() { 21 //Create objects to think with 22 SPainter miro = new SPainter("Dot Thing", 400, 400); 23 miro.setScreenLocation(0, 0); 24 SCircle dot = new SCircle(180); 25 26 //Repeatedly take a command form an Input Dialog box and Interpret it 27 while (true) { 28 String command = JOptionPane.showInputDialog(null, "Command?"); 29 if (command == null) { 30 command = "exit"; 31 } //user clicked on Cancel 32 if (command.equalsIgnoreCase("blue")) { 33 miro.setColor(Color.BLUE); 34 miro.paint(dot); 35 } else if (command.equalsIgnoreCase("red")) { 36 miro.setColor(Color.RED); 37 miro.paint(dot); 38 } else if(command.equalsIgnoreCase("green")){ 39 miro.setColor(Color.GREEN); 40 miro.paint(dot); 41 } else if(command.equalsIgnoreCase("yellow")){ 42 miro.setColor(Color.YELLOW); 43 miro.paint(dot); 44 } else if(command.equalsIgnoreCase("random")){ 45 miro.setColor(randomColor()); 46 miro.paint(dot); 47 } else if (command.equalsIgnoreCase("help")) { 48 JOptionPane.showMessageDialog(null, "Valid commands are:" + "RED | BLUE | GREEN | YELLOW | RANDOM | HELP | EXIT"); 49 } else if (command.equalsIgnoreCase("exit")) { 50 miro.end(); 51 System.out.println("Thanks You For Viewing the Dots...."); 52 break; 53 } else { 54 JOptionPane.showMessageDialog(null, "Unrecognizable command:" + command.toUpperCase()); 55 } 56 } 57 } 58 59 private Color randomColor() { 60 int rv =(int)(Math.random()*256); 61 int gv =(int)(Math.random()*256); 62 int bv =(int)(Math.random()*256); 63 return new Color(rv,gv,bv); 64 65 } 66 67 public Interpreter3() { 68 Interpreter(); 69 } 70 71 public static void main(String[] args) { 72 SwingUtilities.invokeLater(new Runnable() { 73 @Override 74 public void run() { 75 new Interpreter3(); 76 } 77 }); 78 79 } 80 } 81