Mega Code Archive
Rendering Table Cells
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Renderers for tables can be installed for individual classes or for specific columns.
TableCellRenderer renderer = new EvenOddRenderer();
table.setDefaultRenderer(Object.class, renderer);
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.TableCellRenderer;
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;
}
}
public class ResizeTable {
public static void main(String args[]) {
final Object rowData[][] = {
{ "1", "one", "I" },
{ "2", "two", "II" },
{ "3", "three", "III" }};
final String columnNames[] = { "#", "English", "Roman" };
final JTable table = new JTable(rowData, columnNames);
JScrollPane scrollPane = new JScrollPane(table);
table.setDefaultRenderer(Object.class,new EvenOddRenderer());
JFrame frame = new JFrame("Resizing Table");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.add(scrollPane, BorderLayout.CENTER);
frame.setSize(300, 150);
frame.setVisible(true);
}
}
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