Mega Code Archive
Install different Table Renderer for even and odd rows
<![CDATA[
/*
Definitive Guide to Swing for Java 2, Second Edition
By John Zukowski
ISBN: 1-893115-78-X
Publisher: APress
*/
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
public class RendererSample {
public static void main(String args[]) {
Object rows[][] = { { "one", "ichi - \u4E00" },
{ "two", "ni - \u4E8C" }, { "three", "san - \u4E09" },
{ "four", "shi - \u56DB" }, { "five", "go - \u4E94" },
{ "six", "roku - \u516D" }, { "seven", "shichi - \u4E03" },
{ "eight", "hachi - \u516B" }, { "nine", "kyu - \u4E5D" },
{ "ten", "ju - \u5341" } };
Object headers[] = { "English", "Japanese" };
JFrame frame = new JFrame("Renderer Sample");
JTable table = new JTable(rows, headers);
TableCellRenderer renderer = new EvenOddRenderer();
table.setDefaultRenderer(Object.class, renderer);
JScrollPane scrollPane = new JScrollPane(table);
frame.getContentPane().add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
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);
((JLabel) renderer).setOpaque(true);
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;
}
}
]]>