/* * This interpreter is intended to paint different colored dots in a window * * The commands that the interpreter can recognize and respond to are: * - BLUE: paint a blue dot * - RED: paint a red dot * - GREEN: paint a green dot * - YELLOW: paint a yellow dot * - HELP: show a list of the commands in a dialog message box * - EXIT: terminate the program */ package interpreters; import java.awt.Color; import javax.swing.JOptionPane; import javax.swing.SwingUtilities; import painter.SPainter; import shapes.SCircle; public class Interpreter2 { 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("green") ) { miro.setColor(Color.GREEN); miro.paint(dot); } else if ( command.equalsIgnoreCase("yellow") ) { miro.setColor(Color.YELLOW); miro.paint(dot); } else if ( command.equalsIgnoreCase("help") ) { JOptionPane.showMessageDialog(null,"Valid commands are: " + "RED | BLUE | GREEN | YELLOW | 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 Interpreter2() { interpreter(); } public static void main(String[] args) { SwingUtilities.invokeLater(new Runnable() { @Override public void run() { new Interpreter2(); } }); } }