Laba №15

package com.company;

import javax.imageio.ImageIO;
import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import java.util.*;

public class Employees {

    public static java.util.List<Employees> employees = new ArrayList<>();

    public String name;
    public String gender;
    public int yearOfBirth;
    public int salary;

    public Employees(String name, String gender, int yearOfBirth, int salary) {
        this.name = name;
        this.gender = gender;
        this.yearOfBirth = yearOfBirth;
        this.salary = salary;
        employees.add(this);
    }

    @Override
    public String toString() {
        return name + "           " + gender + "           " + yearOfBirth + "           " + salary;
    }
}

class Window extends JFrame {

    private final String IMG_PATH = "Cat_.jpg";
    private final Font font = new Font("Verdana", Font.BOLD, 15);
    private final Font fontData = new Font("Verdana", Font.BOLD, 13);
    private static final Font listFont = new Font("Verdana", Font.BOLD, 11);
    private final Font newAccFont = new Font("Verdana", Font.PLAIN, 25);
    public static final String[] dataNames = {"Names", "Gender", "Year of birth", "Salary"};
    private static final JPanel panel = new JPanel();
    private static final DefaultListModel listModel = new DefaultListModel();
    private static final JList empList = new JList(listModel);
    private static final JScrollPane scrollPane = new JScrollPane(empList);
    private static final File file = new File("Employees.txt");
    private static final File binFile = new File("data.bin");

    Window() {
        super("Сотрудники");
        setDefaultCloseOperation(EXIT_ON_CLOSE);
        setSize(650, 500);
        setLocationRelativeTo(null);
        setResizable(false);
        panel.setLayout(null);

        JFrame addFrame = new JFrame("New Account");
        addFrame.setDefaultCloseOperation(DISPOSE_ON_CLOSE);
        addFrame.setSize(400, 600);
        addFrame.setLocationRelativeTo(null);
        addFrame.setLayout(null);
        addFrame.setResizable(false);
        addFrame.getContentPane().setBackground(Color.WHITE);

        JLabel empLabel = new JLabel("Сотрудники фирмы");
        empLabel.setBounds(100, 1, 200, 100);
        empLabel.setFont(font);
        panel.add(empLabel);

        JButton addEmp = new JButton("Добавить сотрудника");
        addEmp.setBounds(100, 350, 200, 50);
        panel.add(addEmp);

        scrollPane.setBounds(100, 100, 500, 230);
        panel.add(scrollPane);

        JButton removeEmp = new JButton("Удалить сотрудника");
        removeEmp.setBounds(400, 350, 200, 50);
        panel.add(removeEmp);

        addEmp.addActionListener(MouseEvent -> addFrame.setVisible(true));

        try {
            BufferedImage img = ImageIO.read(new File(IMG_PATH));
            ImageIcon icon = new ImageIcon(img);
            JLabel label = new JLabel(icon);
            label.setBounds(150, 10, 100, 133);
            addFrame.add(label);
        } catch (IOException e) {
            e.printStackTrace();
        }

        JLabel newAcc = new JLabel("New Account");
        newAcc.setBounds(120, 110, 200, 100);
        newAcc.setFont(newAccFont);
        addFrame.add(newAcc);


        JTextField[] dataFields = new JTextField[4];
        JLabel[] dataLabels = new JLabel[dataNames.length];

        int y = 150;
        for (int i = 0; i < dataFields.length; i++) {
            dataFields[i] = new JTextField();
            dataFields[i].setBounds(100, (y += 60), 200, 30);
            addFrame.add(dataFields[i]);
        }

        int Y = 120;
        for (int i = 0; i < dataNames.length; i++) {
            dataLabels[i] = new JLabel(dataNames[i]);
            dataLabels[i].setFont(fontData);
            dataLabels[i].setBounds(100, (Y += 60), 200, 30);
            addFrame.add(dataLabels[i]);
        }

        JButton addAccount = new JButton("New Account");
        addAccount.setBounds(120, 450, 160, 50);
        addFrame.add(addAccount);

        addAccount.addActionListener(MouseEvent -> {
            try {
                for (int i = 0; i < dataFields.length; i++)
                    if (dataFields[i].getText().equals("")) {
                        JOptionPane.showMessageDialog(null, "Вы заполнили не все поля");
                        return;
                    }
                String name = String.valueOf(dataFields[0].getText());
                String gender = String.valueOf(dataFields[1].getText());
                int yearOfBirth = Integer.parseInt(String.valueOf(dataFields[2].getText()));
                int salary = Integer.parseInt(String.valueOf(dataFields[3].getText()));
                new Employees(name, gender, yearOfBirth, salary);
                addFrame.dispose();
                getEmployee();
                panel.updateUI();
            } catch (NumberFormatException e) {
                JOptionPane.showMessageDialog(null, "Недопустимые символы");
            }
        });

        removeEmp.addActionListener(MouseEvent -> removeEmployee());

        setContentPane(panel);
    }

    private static void getEmployee() {
        listModel.addElement(Employees.employees.get(Employees.employees.size() - 1));
        empList.setFont(listFont);
        setFile();
        setBinaryFile();
    }

    private static void removeEmployee() {
        listModel.remove(empList.getSelectedIndex());
    }

    private static void setFile() {

        try {
            FileWriter writer = new FileWriter(file);
            String fName = " ФИО: ";
            String Gender = " Пол: ";
            String year = " Год рождения: ";
            String sal = " Зар.плата: ";

            for (Employees element : Employees.employees) {
                writer.append(fName + element.name + "\n");
                writer.append(Gender + element.gender + "\n");
                writer.append(year + element.yearOfBirth + "\n");
                writer.append(sal + element.salary + "\n\n");
                if (element.gender.equals("М") && element.yearOfBirth <= 1959) {
                    writer.append(" Скоро пенсия" + "\n");
                }
                if (element.gender.equals("Ж") && element.yearOfBirth <= 1964) {
                    writer.append(" Скоро пенсия" + "\n");
                }
            }
            writer.flush();
            writer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void setBinaryFile() {
        for (Employees emp : Employees.employees) {
            try (DataOutputStream dos = new DataOutputStream(new FileOutputStream(binFile))) {
                dos.writeUTF(emp.name);
                dos.writeUTF(emp.gender);
                dos.writeUTF(String.valueOf(emp.yearOfBirth));
                dos.writeUTF(String.valueOf(emp.salary));
                if (emp.gender.equals("М") && emp.yearOfBirth <= 1959) {
                    dos.writeUTF("Скоро пенсия" + "\n\n");
                }
                if (emp.gender.equals("Ж") && emp.yearOfBirth <= 1964) {
                    dos.writeUTF("Скоро пенсия" + "\n\n");
                }
                dos.close();
            } catch (IOException ex) {
                System.out.println(ex.getMessage());
            }
        }
    }
}

public class Main {
    public static void main(String[] args) {
        JFrame window = new Window();
        window.setVisible(true);
    }
}