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 commands in a dialog message box 8 -Exit: terminate the program 9 */ 10 11 package interpreters; 12 import java.awt.Color; 13 import javax.swing.JOptionPane; 14 import javax.swing.SwingUtilities; 15 import painter.SPainter; 16 import shapes.SCircle; 17 18 public class Interpreter2 { 19 20 private void interpreter() { 21 22 // Create objects to think with 23 SPainter miro = new SPainter("Dot Thing",400,400); 24 miro.setScreenLocation(0,0); 25 SCircle dot = new SCircle(180); 26 27 // Repeatedly take a command from an input dialog box and interpret it 28 while (true) { 29 String command = JOptionPane.showInputDialog(null, "Command?"); 30 if ( command == null ) { command = "exit"; } // user clicked cancel 31 if ( command.equalsIgnoreCase("blue") ) { 32 miro.setColor(Color.blue); 33 miro.paint(dot); 34 } else if ( command.equalsIgnoreCase("red") ) { 35 miro.setColor(Color.red); 36 miro.paint(dot); 37 } else if ( command.equalsIgnoreCase("help") ) { 38 JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | GREEN | YELLOW | HELP | EXIT "); 39 } else if ( command.equalsIgnoreCase("yellow") ) { 40 miro.setColor(Color.yellow); 41 miro.paint(dot); 42 } else if ( command.equalsIgnoreCase("green") ) { 43 miro.setColor(Color.green); 44 miro.paint(dot); 45 } else if ( command.equalsIgnoreCase("exit") ) { 46 miro.end(); 47 System.out.println("Thank you for viewing the dots ..."); 48 break; 49 } else { 50 JOptionPane.showMessageDialog(null, "Unrecognizable Command: " + command.toUpperCase()); 51 } 52 } 53 } 54 public Interpreter2() { 55 interpreter(); 56 } 57 58 public static void main(String[] args) { 59 SwingUtilities.invokeLater(new Runnable() { 60 public void run() { 61 new Interpreter2(); 62 } 63 }); 64 } 65 } 66