Java Swing中JTable渲染器与编辑器用法示例

package awtDemo;
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;
@SuppressWarnings("serial")
public class JButtonTableExample extends JFrame {
 public JButtonTableExample() {
  super("JButtonTable Example - www.jb51.net");
  //添加TableModel以及表格数据
  DefaultTableModel dm = new DefaultTableModel();
  dm.setDataVector(new Object[][] { { "button 1", "foo" },
    { "button 2", "bar" } }, new Object[] { "Button", "String" });
  JTable table = new JTable(dm);
  //添加渲染器
  table.getColumn("Button").setCellRenderer(new ButtonRenderer());
  //添加编辑器
  table.getColumn("Button").setCellEditor( new ButtonEditor(new JCheckBox()));
  //GUI设置
  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);
   }
  });
 }
}

package awtDemo;
import java.awt.Color;
import javax.swing.JButton;
import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
@SuppressWarnings("serial")
class ButtonRenderer extends JButton implements TableCellRenderer {
  public JComponent getTableCellRendererComponent(JTable table, Object value,
   boolean isSelected, boolean hasFocus, int row, int column) {
   //value 源于editor
   String text = (value == null) ? "" : value.toString();
   //按钮文字
   setText(text);
   //单元格提示
   setToolTipText(text);
   //背景色
   setBackground(Color.BLACK);
   //前景色
   setForeground(Color.green);
  return this;
  }
}

package awtDemo;
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.JComponent;
import javax.swing.JOptionPane;
import javax.swing.JTable;
@SuppressWarnings("serial")
class ButtonEditor extends DefaultCellEditor {
  protected JButton button;//represent the cellEditorComponent
  private String cellValue;//保存cellEditorValue
  public ButtonEditor(JCheckBox checkBox) {
  super(checkBox);
  button = new JButton();
  button.setOpaque(true);
  button.addActionListener(new ActionListener() {
   public void actionPerformed(ActionEvent e) {
   JOptionPane.showMessageDialog(button, cellValue + ": Ouch!");
   //刷新渲染器
   fireEditingStopped();
   }
  });
  }
  public JComponent getTableCellEditorComponent(JTable table, Object value,
   boolean isSelected, int row, int column) {
  //value 源于单元格数值
  cellValue = (value == null) ? "" : value.toString();
  return button;
  }
  public Object getCellEditorValue() {
  return new String(cellValue);
  }
}