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我想將Ellipse2D對象與JTable上的單元格相關聯。特別是如果用戶點擊一個Ellipse2D,那麼它會突出顯示JTable上的一個單元並接受輸入。我需要以允許用戶將字符串與每個橢圓相關聯的方式來執行此操作。將對象與JTable上的單元格相關聯
正在嘗試做什麼,如果可以,我該怎麼做?
import java.awt.*;
import java.awt.geom.*;
import java.util.*;
import java.util.List;
import javax.swing.*;
public class SelfContainedExample extends JPanel {
private List<Shape> shapes = new ArrayList<>();
public static void main(String[] args)
{
EventQueue.invokeLater(() -> createAndShowGUI());
}
public SelfContainedExample()
{
//Circle of Radios
shapes.add(new Ellipse2D.Double(250, 100, 20, 20));
shapes.add(new Ellipse2D.Double(160, 100, 20, 20));
shapes.add(new Ellipse2D.Double(70, 100, 20, 20));
shapes.add(new Ellipse2D.Double(70, 160, 20, 20));
shapes.add(new Ellipse2D.Double(160, 160, 20, 20));
shapes.add(new Ellipse2D.Double(250, 160, 20, 20));
}
@Override
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
Graphics2D g2d = (Graphics2D)g.create();
g2d.setColor(Color.BLACK);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
shapes.forEach(g2d::fill);
g2d.dispose();
}
private static void createAndShowGUI()
{
JFrame frame = new JFrame("Example");
JPanel panel = new JPanel();
Object[][] data = {{"1_1", "1_2", "1_3"},
{"2_1", "2_2", "2_3"}};
Object[] columnNames = {"1", "2", "3"};
JTable jtable = new JTable(data, columnNames);
panel.setLayout(new BorderLayout());
panel.add(new SelfContainedExample(), BorderLayout.CENTER);
panel.add(jtable, BorderLayout.SOUTH);
panel.setOpaque(true);
panel.setVisible(true);
frame.add(panel);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setSize(400,400);
frame.setLocationByPlatform(false);
frame.setLocationRelativeTo(null);
frame.setContentPane(panel);
frame.setVisible(true);
}
}