1 /* 2 This interpreter is intended to paint different colored dots ina 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 import javax.swing.*; 16 import java.awt.*; 17 18 public class Interpreter1 { 19 private void interpreter(){ 20 //Create objects to think with 21 SPainter miro = new SPainter("Dot Thing",400,400); 22 miro.setScreenLocation(0,0); 23 SCircle dot = new SCircle(180); 24 25 //Repeatedly take a command from an input dialog box and interpret it 26 while (true){ 27 String command = JOptionPane.showInputDialog(null,"Command?"); 28 if (command == null) { command = "exit";} //user clicked on cancel 29 if (command.equalsIgnoreCase("blue")){ 30 miro.setColor(Color.BLUE); 31 miro.paint(dot); 32 } 33 else if (command.equalsIgnoreCase("red")){ 34 miro.setColor(Color.RED); 35 miro.paint(dot); 36 } 37 else if (command.equalsIgnoreCase("help")){ 38 JOptionPane.showMessageDialog(null,"Valid commands are: " + "RED | BLUE | HELP | EXIT"); 39 } 40 else if (command.equalsIgnoreCase("exit")){ 41 miro.end(); 42 System.out.println("Thank you for viewing the dots....;)"); 43 break; 44 } 45 else { 46 JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase()); 47 System.out.println("Type 'HELP' for list of commands"); 48 } 49 } 50 } 51 52 //Infrastructure for some simple painting 53 54 public Interpreter1() { 55 interpreter(); 56 } 57 58 public static void main(String[] args){ 59 SwingUtilities.invokeLater(new Runnable(){ 60 public void run() { 61 new Interpreter1(); 62 } 63 }); 64 } 65 66 } 67