/* * 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 Interpreter3 { 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("random")){ miro.setColor(randomColor()); miro.paint(dot); } else if (command.equalsIgnoreCase("help")){ JOptionPane.showMessageDialog(null,"Valid commands are: "+"RED|BLUE|YELLOW|GREEN|RANDOM|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()); } } } private static Color randomColor() { int rv = (int)(Math.random()*256); int gv = (int)(Math.random()*256); int bv = (int)(Math.random()*256); return new Color(rv,gv,bv); } //INFRASTRUCTURE FOR SOME SIMPLE PAINTING public Interpreter3(){ interpreter(); } public static void main(String[] args){ SwingUtilities.invokeLater(new Runnable(){ public void run(){ new Interpreter3(); } }); } }