???? ????? ??? ??? ??

??:

?? ?? ??? ???? SpringLayout ??? ?? ??? ???? ??? ???? ?????. ???.

???:

SpringLayout ??? ??? ???? ????? ??? ?? ????? ???? ???. ??? ??? ??? ????.

??? ??:

SpringLayout ??? ??? ???? ???? ??? ?? ????? ??? ? ????. ??? ???? ??? ????.

1. ??? ?? ?? ???:

   • ImageGridPanel??? ??? ?? JPanel ?? ???? ????.
   • preferredLayoutSize()? ???? ??? ?? ??? ???? ??? ?? ??? ?????. ???.
   • ??? ???? ???? ???? PaintComponent()? ??????.

2. ??? ?? ??? ?????.

   • JPanel? ImageGridPanel ???? ?? ???.
   • SpringLayout ?? ??? ???? ImageGridPanel? ??? ??? ?????.

3. ??? ??:

   • ? ???? ???? ImagePane ?? ?? ??? image.
   • ImageGridPanel? ImagePane ?? ??? ?????.

?? ??:

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

public class ImageGrid {

    public static void main(String[] args) {
        // Create the frame and panel.
        JFrame frame = new JFrame("Image Grid");
        JPanel panel = new JPanel();
        frame.add(panel, BorderLayout.CENTER);

        // Create the custom image grid panel.
        ImageGridPanel imageGridPanel = new ImageGridPanel();
        panel.add(imageGridPanel, BorderLayout.CENTER);

        // Add thumbnails to the image grid panel.
        for (int i = 0; i < 10; i++) {
            imageGridPanel.addImage(new ImageIcon("image" + i + ".png"));
        }

        // Set the frame properties.
        frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
        frame.setSize(600, 400);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
    }

    static class ImageGridPanel extends JPanel {

        private List<ImageIcon> images;

        public ImageGridPanel() {
            setBackground(Color.WHITE);
            setLayout(null);
            images = new ArrayList<>();
        }

        public void addImage(ImageIcon image) {
            images.add(image);
            invalidate();
            repaint();
        }

        @Override
        public Dimension getPreferredSize() {
            int numImages = images.size();
            int numRows = (int) Math.ceil(Math.sqrt(numImages));
            int numCols = (int) Math.ceil(numImages / numRows);
            int width = numCols * 100;
            int height = numRows * 100;
            return new Dimension(width, height);
        }

        @Override
        protected void paintComponent(Graphics g) {
            super.paintComponent(g);
            int numImages = images.size();
            int numRows = (int) Math.ceil(Math.sqrt(numImages));
            int numCols = (int) Math.ceil(numImages / numRows);
            int width = getWidth() / numCols;
            int height = getHeight() / numRows;
            for (int i = 0; i < numImages; i++) {
                ImageIcon image = images.get(i);
                int row = i / numCols;
                int col = i % numCols;
                g.drawImage(image.getImage(), col * width, row * height, null);
            }
        }
    }
}

?? ?? ??:

• SpringLayout? ???? ??? ??? ???? ??? ???? ???? ?? ?????.
• ???? ???? ??? ????? ???? ???? ??? ?????.
• JScrollPane? ImageGridPanel? ???? ??? ??? ?????.

? ??? ??? ??? ??? ???? SpringLayout ???? ???? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!