radiobuttontablecellrenderer.java

一个类似QQ的在线通讯聊天软件原码,适合初学者参考学习。

package openicq.gui;

import java.awt.Component;

import javax.swing.*;
import javax.swing.table.TableCellRenderer;

/**
 * The <code>RadioButtonTableCellRenderer</code> class is a custom table cell
 * renderer for radio buttons in tables.
 * @author Hansgeorg Schwibbe
 * @copyright 2004
 */
public class RadioButtonTableCellRenderer implements TableCellRenderer
{
  private JRadioButton radioButton;

  /**
   * (non-Javadoc)
   * @see javax.swing.table.TableCellRenderer#getTableCellRendererComponent(javax.swing.JTable,
   *      java.lang.Object, boolean, boolean, int, int)
   */
  public Component getTableCellRendererComponent(JTable table, Object value,
                                                 boolean isSelected,
                                                 boolean hasFocus, int row,
                                                 int column)
  {
    if (value instanceof JRadioButton)
    {
      radioButton = (JRadioButton) value;
      radioButton.setBackground(table.getBackground());
      radioButton.setForeground(table.getForeground());
      radioButton.setFont(table.getFont());
      radioButton.setEnabled(table.isEnabled());
      radioButton.setOpaque(table.isOpaque());
      radioButton.setHorizontalAlignment((int) Component.CENTER_ALIGNMENT);
      return radioButton;
    }
    return new JLabel(String.valueOf(value));
  }
}