swingtask

package hw11;

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

class PlafFrame extends JFrame {
    private JPanel buttonPanel, textPanel;
    private JTextField field;
    private String[] fonts;
    private int[] stylesFont;

    public PlafFrame() {
        setTitle("PlafTest");
        setSize(800, 200);
        field = new JTextField(20);
        field.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JOptionPane.showMessageDialog(PlafFrame.this,
                        "Ваше слово: " + field.getText());
            }
        });
        textPanel = new JPanel(new FlowLayout());
        textPanel.add(field);
        buttonPanel = new JPanel();
        JMenuBar menuBar = new JMenuBar();
        fonts = GraphicsEnvironment.getLocalGraphicsEnvironment().getAvailableFontFamilyNames();
        menuBar.add(createFontMenu());
        menuBar.add(createColorMenu());
        setJMenuBar(menuBar);
        makeButtonStyle("BOLD");
        makeButtonStyle("ITALIC");
        makeButtonStyle("PLAIN");
        String[] fontItems = {
                "8px",
                "10px",
                "14px"
        };
        JComboBox comboBox = new JComboBox(fontItems);
        comboBox.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                JComboBox box = (JComboBox) e.getSource();
                String item = (String) box.getSelectedItem();
                switch (item) {
                    case "8px" -> field.setFont(new Font(field.getFont().getName(), Font.BOLD, 8));
                    case "10px" -> field.setFont(new Font(field.getFont().getName(), Font.BOLD, 10));
                    case "14px" -> field.setFont(new Font(field.getFont().getName(), Font.BOLD, 14));
                    default -> {
                    }
                }
            }
        });
        getContentPane().add("North", textPanel);
        getContentPane().add("Center", buttonPanel);
        getContentPane().add("East", comboBox);
    }

    private JMenu createFontMenu() {
        JMenu fontsMenu = new JMenu("Шрифты");
        JMenuItem[] f = new JMenuItem[fonts.length];
        for (int i = 0; i < fonts.length; i++) {
            f[i] = new JMenuItem(fonts[i]);
            fontsMenu.add(f[i]);
            f[i].addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    try {
                        for (int i = 0; i < fonts.length; i++) {
                            if (e.getSource() == f[i]) {
                                field.setFont(new Font(f[i].getText(), field.getFont().getStyle(), field.getFont().getSize()));
                            }
                        }
                    } catch (Exception ex) {
                        ex.printStackTrace();
                    }
                }
            });
        }
        return fontsMenu;
    }

    private JMenu createColorMenu() {
        JMenu colorsMenu = new JMenu("Цвета");
        JMenuItem[] f = new JMenuItem[4];
        String[] c = new String[]{"Красный", "Зеленый", "Синий", "Желтый"};
        for (int i = 0; i < 4; i++) {
            f[i] = new JMenuItem(c[i]);
            colorsMenu.add(f[i]);
            f[i].addActionListener(new ActionListener() {
                @Override
                public void actionPerformed(ActionEvent e) {
                    try {
                        for (int i = 0; i < 4; i++) {
                            if (e.getSource() == f[i]) {
                                switch (f[i].getText()) {
                                    case "Красный" -> field.setForeground(new Color(255, 0, 0));
                                    case "Зеленый" -> field.setForeground(new Color(0, 255, 0));
                                    case "Синий" -> field.setForeground(new Color(0, 0, 255));
                                    case "Желтый" -> field.setForeground(new Color(255, 255, 0));
                                    default -> {
                                    }
                                }
                            }
                        }
                    } catch (Exception ex) {
                        ex.printStackTrace();
                    }
                }
            });
        }
        return colorsMenu;
    }

    void makeButtonStyle(String style) {
        JButton button = new JButton(style);
        buttonPanel.add(button);
        button.addActionListener(new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent e) {
                try {
                    if (e.getSource() == button) {
                        switch (button.getText()) {
                            case "BOLD" -> field.setFont(new Font(field.getFont().getName(), Font.BOLD, field.getFont().getSize()));
                            case "ITALIC" -> field.setFont(new Font(field.getFont().getName(), Font.ITALIC, field.getFont().getSize()));
                            case "PLAIN" -> field.setFont(new Font(field.getFont().getName(), Font.PLAIN, field.getFont().getSize()));
                            default -> {
                            }
                        }
                    }
                } catch (Exception ex) {
                    ex.printStackTrace();
                }
            }
        });
    }
}

public class SwingTask {
    public static void main(String[] args) {
        EventQueue.invokeLater(new Runnable() {
            @Override
            public void run() {
                PlafFrame frame = new PlafFrame();
                frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
                frame.setVisible(true);
            }
        });
    }
}