/* * This interpreter is intended to paint different colored data in a window. * * The commands that the interpreters can recognize and respond to are: * - BLUE: paint a blue dot * - RED: paint a red dot * - HELP: show a list of the commands in a dialog massages box * - EXIT: terminate the program */ package interpreters; import javax.swing.*; import painter.SPainter; import shapes.SCircle; import java.awt.*; 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 SOME SIMPLE PAINTING public Interpreter1() { interpreter(); } public static void main( String [] args) { SwingUtilities.invokeLater(new Runnable() { public void run() { new Interpreter1(); } }); } }