一个关于JTabel的DefaultCellEditor渲染很棒的例子

import java.awt.Color;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
 
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
 
import java.awt.Component;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
 
import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JOptionPane;
 
import javax.swing.UIManager;
import javax.swing.table.TableCellRenderer;
 
public class JButtonTableExample extends JFrame {
 
    public JButtonTableExample() {
        super("JButtonTable Example");
 
        DefaultTableModel dm = new DefaultTableModel();
        dm.setDataVector(new Object[][] { { "button 1", "foo" },
                { "button 2", "bar" } }, new Object[] { "Button", "String" });
 
        JTable table = new JTable(dm);
        table.setOpaque(true);
        table.setBackground(Color.red);
        table.getColumn("Button").setCellRenderer(new ButtonRenderer());
        table.getColumn("Button").setCellEditor(
                new ButtonEditor(new JCheckBox()));
        JScrollPane scroll = new JScrollPane(table);
        getContentPane().add(scroll);
        setSize(400, 100);
        setVisible(true);
    }
 
    public static void main(String[] args) {
        JButtonTableExample frame = new JButtonTableExample();
        frame.addWindowListener(new WindowAdapter() {
            public void windowClosing(WindowEvent e) {
                System.exit(0);
            }
        });
    }
}
 
class ButtonRenderer extends JButton implements TableCellRenderer {
 
    public ButtonRenderer() {
        setOpaque(true);
    }
 
    public Component getTableCellRendererComponent(JTable table, Object value,
            boolean isSelected, boolean hasFocus, int row, int column) {
        if (isSelected) {
            setForeground(table.getSelectionForeground());
            setBackground(table.getSelectionBackground());
        } else {
            setForeground(table.getForeground());
            setBackground(UIManager.getColor("Button.background"));
        }
        setText((value == null) ? "" : value.toString());
        return this;
    }
}
 
class ButtonEditor extends DefaultCellEditor {
    protected JButton button;
    private String label;
    private boolean isPushed;
 
    public ButtonEditor(JCheckBox checkBox) {
        super(checkBox);
        button = new JButton();
        button.setOpaque(true);
        button.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                fireEditingStopped();
            }
        });
    }
 
    public Component getTableCellEditorComponent(JTable table, Object value,
            boolean isSelected, int row, int column) {
        if (isSelected) {
            button.setForeground(table.getSelectionForeground());
            button.setBackground(table.getSelectionBackground());
        } else {
            button.setForeground(table.getForeground());
            button.setBackground(table.getBackground());
        }
        label = (value == null) ? "" : value.toString();
        
        button.setText(label);
        isPushed = true;
        return button;
    }
 
    public Object getCellEditorValue() {
        if (isPushed) {
            JOptionPane.showMessageDialog(button, label + ": Ouch!");
        }
       isPushed = false;
        return new String(label);
    }
 
    public boolean stopCellEditing() {
       isPushed = false;
        return super.stopCellEditing();
    }
 
    protected void fireEditingStopped() {
        super.fireEditingStopped();
    }
}