package interpreters; /* This interpreter is intended to paint different colored dots in a window commands to be interpreted include BLUE: paint a blue dot RED: paint a red dot HELP: show a list of commands in the dialog box EXIT: Terminate the program */ import java.awt.Color; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import painter.SPainter; import shapes.SCircle; public class Interpreter1 { private void interpreter() { //create objects to think with SPainter miro = new SPainter("Dot Thing", 400, 400); miro.setScreenLocation(0,0); SCircle dot = new SCircle(180); //repeatedly take a command from an input dialog box and interpret it while ( true ) { String command = JOptionPane.showInputDialog(null, "Command?"); if (command == null) { command = "exit"; } //user clicked on cancel if (command.equalsIgnoreCase("blue")) { miro.setColor(Color.BLUE); miro.paint(dot); } else if ( command.equalsIgnoreCase("red")) { miro.setColor(Color.RED); miro.paint(dot); } else if (command.equalsIgnoreCase("help")) { JOptionPane.showMessageDialog(null, "Valid commands are: " + "RED | BLUE | HELP | EXIT"); } else if (command.equalsIgnoreCase("exit")) { miro.end(); System.out.println("Thank you for viewing the dots ..."); break; } else { JOptionPane.showMessageDialog(null, "Unrecognizable command: " + command.toUpperCase()); } } } //infrastructure for simple painting public Interpreter1() { interpreter(); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new Interpreter3(); } }); } }