Spammer

package main;

import javax.swing.*;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

/**
 * User: Zsolt
 * Date: 2013.04.26.
 * Time: 16:46
 */

public class SpammerComponent extends JFrame {
    private JButton setButton;
    private TextField status, delayField;
    private JLabel delayLabel, selectedKeyLabel;
    private boolean waitingForCode = false;
    private int selectedKey = KeyEvent.VK_F5;
    private long delay = 1;
    private boolean started = false;

    public SpammerComponent() {

        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (InstantiationException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        } catch (UnsupportedLookAndFeelException e) {
            e.printStackTrace();
        }

        setFocusable(true);
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setTitle("Spammer");
        setSize(400, 500);
        setLocationRelativeTo(null);
        setLayout(null);
        addKeyListener(new KeyListener() {
            @Override
            public void keyTyped(KeyEvent e) {
            }

            @Override
            public void keyPressed(KeyEvent e) {
                int key = e.getKeyCode();

                if (waitingForCode) {
                    selectedKey = key;
                    setButton.setEnabled(true);
                    selectedKeyLabel.setText("Selected key: " + String.valueOf(selectedKey));
                    waitingForCode = false;
                    delayField.setFocusable(true);
                    status.setText("Key has been set");
                } else if (!waitingForCode && selectedKey == key) {
                    delay = Integer.valueOf(delayField.getText());
                    if (!started) {
                        status.setText("Started");
                        started = true;

                        new Thread(new Runnable() {
                            @Override
                            public void run() {
                                while (true) {
                                    if (!started) {
                                        status.setText("Stopped");
                                        return;
                                    }

                                    try {
                                        Thread.sleep(delay * 1000);
                                    } catch (InterruptedException e1) {
                                        e1.printStackTrace();
                                    }

                                    status.setText("Looping, delay: " + delay + "s");

                                    if (!started) {
                                        status.setText("Stopped");
                                        return;
                                    }
                                }
                            }
                        }).start();
                    } else {
                        status.setText("Stopped");
                        started = false;
                    }
                }
            }

            @Override
            public void keyReleased(KeyEvent e) {
            }
        });

        setButton = new JButton("Set key");
        setButton.setBounds(0, 0, getWidth() - 16, 20);
        setButton.setPreferredSize(new Dimension(100, 50));
        setButton.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                waitingForCode = true;
                setButton.setEnabled(false);
                delayField.setFocusable(false);
                status.setText("Waiting for input");
            }
        });
        add(setButton);

        selectedKeyLabel = new JLabel("Selected key: " + Integer.toString(selectedKey));
        selectedKeyLabel.setBounds(2, 20, 100, 20);
        add(selectedKeyLabel);

        delayLabel = new JLabel("Delay:");
        delayLabel.setBounds(2, 50, 100, 20);
        add(delayLabel);

        delayField = new TextField("0");
        delayField.setBounds(120, 50, 100, 20);
        add(delayField);

        status = new TextField();
        status.setEditable(false);
        status.setFocusable(false);
        status.setBounds(0, 445, getWidth() - 16, 20);
        add(status);

        setVisible(true);
    }

    public static void main(String[] args) {
        new SpammerComponent();
    }
}