import java.awt.Component;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JLabel;
import javax.swing.JTable;
import javax.swing.UIManager;
import javax.swing.table.DefaultTableCellRenderer;
import javax.swing.table.DefaultTableModel;
import javax.swing.table.JTableHeader;
public class Main {
public static void main(String[] argv) throws Exception {
DefaultTableModel model = new DefaultTableModel();
JTable table = new JTable(model);
model.addColumn("Col1");
model.addColumn("Col2");
table.getTableHeader().getColumnModel().getColumn(1).setHeaderRenderer(new IconHeaderRenderer());
table.getColumnModel().getColumn(1).setHeaderValue(new TextAndIcon("Col2", new ImageIcon("icon.gif")));
}
}
class TextAndIcon {
TextAndIcon(String text, Icon icon) {
this.text = text;
this.icon = icon;
}
String text;
Icon icon;
}
class IconHeaderRenderer extends DefaultTableCellRenderer {
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected,
boolean hasFocus, int row, int column) {
if (table != null) {
JTableHeader header = table.getTableHeader();
if (header != null) {
setForeground(header.getForeground());
setBackground(header.getBackground());
setFont(header.getFont());
}
}
if (value instanceof TextAndIcon) {
setIcon(((TextAndIcon) value).icon);
setText(((TextAndIcon) value).text);
} else {
setText((value == null) ? "" : value.toString());
setIcon(null);
}
setBorder(UIManager.getBorder("TableHeader.cellBorder"));
setHorizontalAlignment(JLabel.CENTER);
return this;
}
}
