/* * 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(){ // CREATS 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(){ public void run(){ new Interpreter2(); } }); } }