how to insert a row in table?

lf q Mon, 27 Aug 2001 17:40:49 -0700

hi,this is Jtable example.someone help me to modify it,and finish these job,

one:when i press 'insert' in keyboard then the table will insert a row;

two:when the focus at last row,when i press 'down' key in keyboard,then the table will add new row append the last row.

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

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how to insert a row in table?

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