import java.awt.AWTException;
import java.awt.GridLayout;
import java.awt.Robot;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JTextField;

public class Main extends JFrame implements ActionListener,Runnable{
    JTextField one,two;
    char[] arr;
    public Main(){
        one = new JTextField(20);
        two = new JTextField(20);
        setSize(250,150);
        setLayout(new GridLayout(5,5));
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setTitle("Autotyper");
       setResizable(false);
        add(one);
       two.setEditable(false);
        add(two);
        JButton b = new JButton("Go!");
        add(b);
        b.addActionListener(this);
    }
    public Main(char[] ar){
      //  this();
        arr = ar;
    }
    public static void main(String[] args){
        try{
            
            new Main().setVisible(true);
        }catch(Exception e){e.printStackTrace();}
    }
    private void copy(Robot robot, char[] charsToPrint){
        robot.setAutoDelay(100);
        for(char l : charsToPrint)
        {
            if(Character.isUpperCase(l)){
                robot.keyPress(16);
                pNr(robot,(int)l);
                robot.keyRelease(16);
            }
            else if (Character.isLetterOrDigit(l))pNr(robot, Character.toUpperCase(l));
            else if(Character.isWhitespace(l))pNr(robot,KeyEvent.VK_SPACE);
        }
       edit(true);
       one.requestFocus();
       one.setText(null);
    }
    private void pNr(Robot robot, int to)
    {

        robot.keyPress(to);
        robot.keyRelease(to);
    }
    public void run(){
        try{
            copy(new Robot(),arr);
        }catch(AWTException e){System.err.println(e);};
    }
    private void edit(boolean edit){
        one.setEditable(edit);
        two.setEditable(!edit);
    }
    public void actionPerformed(ActionEvent e){
        if(one.getText().length() < 1)
            return;
        edit(false);
        two.setText(null);     
        two.requestFocus();
        arr = one.getText().toCharArray();
        try{
            new Thread(this).start();
        }catch(Exception ae){ae.printStackTrace();}

    }
}