evenoddrenderer.java

The Definitive Guide to Java Swing, Third Edition by John Zukowski (Author) 源码

import java.awt.*;
import javax.swing.*;
import javax.swing.table.*;

public class EvenOddRenderer implements TableCellRenderer {
 
  public static final DefaultTableCellRenderer DEFAULT_RENDERER =
    new DefaultTableCellRenderer();

  public Component getTableCellRendererComponent(JTable table, Object value, 
      boolean isSelected, boolean hasFocus, int row, int column) {
    Component renderer =
      DEFAULT_RENDERER.getTableCellRendererComponent(table, value,
      isSelected, hasFocus, row, column);
    Color foreground, background;
    if (isSelected) {
      foreground = Color.YELLOW;
      background = Color.GREEN;
    } else {
      if (row % 2 == 0) {
        foreground = Color.BLUE;
        background = Color.WHITE;
      } else {
        foreground = Color.WHITE;
        background = Color.BLUE;
      }
    }
    renderer.setForeground(foreground);
    renderer.setBackground(background);
    return renderer;
  }
}