1 /* 2 * This program is intended to paint different colored dots in a window 3 * 4 * The commands it can recognize and respond to are: 5 * BLUE: paint a blue dot 6 * RED: paint a red dot 7 * GREEN: paint a green dot 8 * YELLOW: paint a yellow dot 9 * RANDOM: paint a random colored dot 10 * HELP: show a list of commands in a dialog message box 11 * EXIT: terminate the program 12 */ 13 14 package interpreters; 15 16 import java.awt.Color; 17 import javax.swing.JOptionPane; 18 import javax.swing.SwingUtilities; 19 import painter.SPainter; 20 import shapes.SCircle; 21 22 public class Interpreter3 { 23 24 private static Color randomColor() { 25 int rv = (int)(Math.random()*256); 26 int gv = (int)(Math.random()*256); 27 int bv = (int)(Math.random()*256); 28 return new Color(rv,gv,bv); 29 } 30 31 private void interpreter() { 32 33 SPainter miro = new SPainter("Dot Thing",400,400); 34 miro.setScreenLocation(0,0); 35 SCircle dot = new SCircle(180); 36 37 while (true) { 38 39 String command = JOptionPane.showInputDialog(null,"Command?"); 40 if ( command == null ) { command = "exit"; } 41 if (command.equalsIgnoreCase("blue")) { 42 miro.setColor(Color.BLUE); 43 miro.paint(dot); 44 } else if (command.equalsIgnoreCase("red")) { 45 miro.setColor(Color.RED); 46 miro.paint(dot); 47 } else if (command.equalsIgnoreCase("green")) { 48 miro.setColor(Color.GREEN); 49 miro.paint(dot); 50 } else if (command.equalsIgnoreCase("yellow")) { 51 miro.setColor(Color.YELLOW); 52 miro.paint(dot); 53 }else if (command.equalsIgnoreCase("random")) { 54 miro.setColor(randomColor()); 55 miro.paint(dot); 56 } else if (command.equalsIgnoreCase("help")) { 57 JOptionPane.showMessageDialog(null,"Valid commands are: " 58 + "RED | BLUE | GREEN | YELLOW | RANDOM | HELP | EXIT "); 59 } else if (command.equalsIgnoreCase("exit")) { 60 miro.end(); 61 System.out.println("Thank you for viewing the dots ..."); 62 break; 63 } else { 64 JOptionPane.showMessageDialog(null, "Unrecognizable command: " 65 + command.toUpperCase()); 66 } 67 68 } 69 70 } 71 72 public Interpreter3(){ 73 interpreter(); 74 } 75 76 public static void main(String[] args) { 77 78 SwingUtilities.invokeLater(new Runnable() { 79 @Override 80 public void run() { 81 new Interpreter3(); 82 } 83 }); 84 85 } 86 87 } 88