best regards,thanks
//-------------------------------begin
import java.awt.*;
import java.awt.event.*;
import
javax.swing.*;
import javax.swing.table.*;
class RowHeaderRenderer extends JLabel implements
ListCellRenderer {
RowHeaderRenderer(JTable table)
{
JTableHeader header =
table.getTableHeader();
setOpaque(true);
setBorder(UIManager.getBorder("TableHeader.cellBorder"));
setHorizontalAlignment(CENTER);
setForeground(header.getForeground());
setBackground(header.getBackground());
setFont(header.getFont());
}
public Component
getListCellRendererComponent( JList list,
Object value, int
index, boolean isSelected, boolean cellHasFocus) {
setText((value == null) ? "" : value.toString());
return this;
}
}
public class RowHeaderExample extends JFrame {
public RowHeaderExample() {
super( "Row
Header Example" );
setSize( 300, 150
);
ListModel lm = new AbstractListModel() {
String headers[] = {"a", "b", "c", "d", "e", "f", "g", "h",
"i"};
public int getSize() { return
headers.length; }
public Object
getElementAt(int index) {
return headers[index];
}
};
DefaultTableModel dm = new
DefaultTableModel(lm.getSize(),10);
JTable table = new
JTable( dm );
table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
JList rowHeader = new JList(lm);
rowHeader.setFixedCellWidth(50);
rowHeader.setFixedCellHeight(table.getRowHeight()
+
table.getRowMargin());
//
+ table.getIntercellSpacing().height);
rowHeader.setCellRenderer(new RowHeaderRenderer(table));
JScrollPane scroll = new JScrollPane( table
);
scroll.setRowHeaderView(rowHeader);
getContentPane().add(scroll, BorderLayout.CENTER);
}
public static void main(String[] args) {
RowHeaderExample frame = new RowHeaderExample();
frame.addWindowListener( new WindowAdapter()
{
public void windowClosing( WindowEvent e
) {
System.exit(0);
}
});
frame.setVisible(true);
}
}
//---------end