biskuteri-cafe-JKomasto2/PostWindow.java

import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JMenuBar;
import javax.swing.JMenu;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.Box;
import javax.swing.BorderFactory;
import java.awt.Graphics;
import java.awt.Dimension;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.util.List;
import java.util.ArrayList;

class
PostWindow extends JFrame {

    private PostComponent
    posts;

    private RepliesComponent
    replies;

//  ---%-@-%---

//  ---%-@-%---

    PostWindow()
    {
        setLocationByPlatform(true);

        posts = new PostComponent();

        replies = new RepliesComponent();

        JMenu postMenu = new JMenu("Post");
        postMenu.add("Favourite");
        postMenu.add("Reply");
        postMenu.add("Show replies");
        JMenuBar menuBar = new JMenuBar();
        menuBar.add(postMenu);
        setJMenuBar(menuBar);

        setContentPane(posts);
        setSize(360, 270);
    }

}



class
PostComponent extends JPanel {

    private String
    author, time, text;

//  ---%-@-%---

    public void
    setAuthor(String author)
    {
        assert author != null;
        this.author = author;
    }

    public void
    setTime(String time)
    {
        assert time != null;
        this.time = time;
    }

    public void
    setText(String text)
    {
        assert text != null;
        this.text = text;
    }

//   -  -%-  -

    protected void
    paintComponent(Graphics g)
    {
        int lineHeight = 24;

        g.drawString(author, 0, lineHeight);

        g.drawString(text, 0, 2 * lineHeight);
    }

//  ---%-@-%---

    PostComponent()
    {
        author = "Author";
        time = "Time";
        text = "This is a soft post..";
    }

}



class
RepliesComponent extends JPanel {

    private List<String>
    authors, texts;

    private JButton
    prevPage, nextPage;

    private JLabel
    pageLabel;

//  ---%-@-%---

    public void
    setReplies(List<String> authors, List<String> texts)
    {
        this.authors.clear();
        this.authors.addAll(authors);
        this.texts.clear();
        this.texts.addAll(texts);
    }

//  ---%-@-%---

    RepliesComponent()
    {
        authors = new ArrayList<>();
        texts = new ArrayList<>();

        prevPage = new JButton("<");
        nextPage = new JButton(">");
        prevPage.setEnabled(false);
        nextPage.setEnabled(false);

        pageLabel = new JLabel("0 / 0");

        Box bottom = Box.createHorizontalBox();
        bottom.add(Box.createGlue());
        bottom.add(prevPage);
        bottom.add(pageLabel);
        bottom.add(nextPage);

        JPanel centre = new JPanel();
        centre.setLayout(new GridLayout(0, 1, 0, 2));
        for (int n = 8; n > 0; --n) {
            String label = "Eggplant -%- A short reply..";
            JButton reply = new JButton(label);
            // We likely need a custom class..
            centre.add(reply);
        }

        setLayout(new BorderLayout(4, 4));
        add(centre, BorderLayout.CENTER);
        add(bottom, BorderLayout.SOUTH);

        setBorder(BorderFactory.createEmptyBorder(4, 4, 4, 4));
    }

}