package LoginMarvin;

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

public class MarvinEins extends JFrame implements ActionListener {

	Icon x = new ImageIcon(getClass().getResource("HalloHallo.png"));

    Container container = getContentPane();
    JLabel alter = new JLabel("Thank you for using my Software.");
    JLabel luser = new JLabel("made by Marvin");
    JLabel userLabel = new JLabel("USERNAME");
    JLabel passwordLabel = new JLabel("PASSWORD");
    JTextField userTextField = new JTextField();
    JPasswordField passwordField = new JPasswordField();
    JButton loginButton = new JButton("LOGIN");
    JButton resetButton = new JButton("RESET");
    JButton hallo = new JButton("", x);
    JCheckBox showPassword = new JCheckBox("Show Password");


    MarvinEins() {
        setLayoutManager();
        setLocationAndSize();
        addComponentsToContainer();
        addActionEvent();

    }

    public void setLayoutManager() {
        container.setLayout(null);
    }

    public void setLocationAndSize() {
    	 alter.setBounds(1, 1, 500, 100);
    	 luser.setBounds(1, 30, 500, 100);
    	userLabel.setBounds(50, 150, 100, 30);
        passwordLabel.setBounds(50, 220, 100, 30);
        userTextField.setBounds(150, 150, 150, 30);
        passwordField.setBounds(150, 220, 150, 30);
        showPassword.setBounds(150, 250, 150, 30);
        loginButton.setBounds(50, 300, 100, 30);
        resetButton.setBounds(200, 300, 100, 30);
        hallo.setBounds(20, 350, 300, 200);


    }

    public void addComponentsToContainer() {
    	container.add(luser);
    	container.add(alter);
    	container.add(userLabel);
        container.add(passwordLabel);
        container.add(userTextField);
        container.add(passwordField);
        container.add(showPassword);
        container.add(loginButton);
        container.add(resetButton);
        container.add(hallo);
    }

    public void addActionEvent() {
        loginButton.addActionListener(this);
        resetButton.addActionListener(this);
        showPassword.addActionListener(this);
    }


    @Override
    public void actionPerformed(ActionEvent e) {
        //Coding Part of LOGIN button


                if (e.getSource() == loginButton) {
                    String userText;
                    String pwdText;
                    userText = userTextField.getText();
                    pwdText = passwordField.getText();
                    if (userText.equalsIgnoreCase("Super") && pwdText.equalsIgnoreCase("Hallo")) {
                     JOptionPane.showMessageDialog(this, "Login Successful");
                     JFrame meinJFrame = new JFrame();
                     meinJFrame.setTitle("Eingabe");
                     meinJFrame.setSize(300, 150);
                     JPanel panel = new JPanel();

                     JLabel label = new JLabel("Eingabe");
                     panel.add(label);

                     // Textfeld wird erstellt
                     // Text und Spaltenanzahl werden dabei direkt gesetzt
                     JTextField tfName = new JTextField("", 15);
                     // Schriftfarbe wird gesetzt
                     tfName.setForeground(Color.black);
                     // Hintergrundfarbe wird gesetzt
                     tfName.setBackground(Color.white);
                     // Textfeld wird unserem Panel hinzugefügt
                     panel.add(tfName);

                     JButton buttonOK = new JButton("OK");
                     panel.add(buttonOK);

                     meinJFrame.add(panel);
                     meinJFrame.setVisible(true);



            } else {
                JOptionPane.showMessageDialog(this, "Invalid Username or Password");
            }

        }
        //Coding Part of RESET button
        if (e.getSource() == resetButton) {
            userTextField.setText("");
            passwordField.setText("");
        }
       //Coding Part of showPassword JCheckBox
        if (e.getSource() == showPassword) {
            if (showPassword.isSelected()) {
                passwordField.setEchoChar((char) 0);
            } else {
                passwordField.setEchoChar('*');
            }


        }
    }

}





















package LoginMarvin;

import java.awt.Color;

import javax.swing.JFrame;

public class MarvinZwei {
    public static void main(String[] a) {
        MarvinEins frame = new MarvinEins();
        frame.setTitle("Login");
        frame.setVisible(true);
        frame.setBounds(10, 10, 370, 600);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setResizable(false);
        frame.getContentPane().setBackground(Color.green);
    }

}