JTable中添加JButton

package ljsearchapp;

import java.awt.Component;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.EventObject;

import javax.swing.DefaultCellEditor;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTable;
import javax.swing.JTextField;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.TableCellRenderer;

public class Test1 extends JFrame {

    JTable t;

    public Test1() {
        setBounds(100, 100, 200, 200);
        JPanel pane = new JPanel();

        DefaultTableModel dm = new DefaultTableModel();
        dm.setDataVector(new Object[][]{{"Button 1", "foo"},
                    {"Button 2", "bar"},{"Button 2", "bar"},{"Button 2", "bar"},{"Button 2", "bar"},{"Button 2", "bar"}},
                new Object[]{"Button", "String"});

        t = new JTable(dm);




        t.getColumn("Button").setCellRenderer(new ButtonRenderer());
        t.getColumn("Button").setCellEditor(new ButtonEditor(new JTextField()));

        pane.setLayout(new FlowLayout());
        pane.add(t);
        this.add(pane);
        setVisible(true);
    }
}

class ButtonEditor extends DefaultCellEditor {

    protected JButton button;
    private String label;
    private boolean isPushed;

    public ButtonEditor(JTextField checkBox) {
        super(checkBox);
        this.setClickCountToStart(1);
        button = new JButton();
        button.setOpaque(true);
        button.addActionListener(new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                fireEditingStopped();
            }
        });

    }

    public Component getTableCellEditorComponent(final 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);
        button.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                System.out.println(table.getSelectedRow()) ;
                System.out.println(table.getSelectedColumn()) ;
            }
        });
        isPushed = true;
        return button;
    }

    public Object getCellEditorValue() {
        if (isPushed) {
            // 
            // 
           // JOptionPane.showMessageDialog(button, label + ": Ouch!");
            // System.out.println(label + ": Ouch!");
        }
        isPushed = false;
        return new String(label);
    }

    public boolean stopCellEditing() {
        isPushed = false;
        return super.stopCellEditing();
    }

    @Override
    public boolean shouldSelectCell(EventObject anEvent) {
        System.out.println(1);
        return super.shouldSelectCell(anEvent);
    }
    
    
    public static void main(String[] args){
        Test1 test1 = new Test1() ;
    }
}

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("UIManager"));
        }
        setText((value == null) ? "" : value.toString());
        return this;
    }
}