import javax.swing.JTable;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableModel;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.awt.event.MouseEvent;
import java.awt.Point;
 
public class AnotherTableEx extends JFrame
{
	public AnotherTableEx()
	{
		final TransparentJTable table = new TransparentJTable(new MyTableModel());
		table.setRowSelectionAllowed(true);
		table.setColumnSelectionAllowed(true);
 
		JScrollPane scrollPane = new JScrollPane(table);
		getContentPane().add(scrollPane);
 
		setSize(200, 200);
		show();
 
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}
 
	public static void main(String[] args)
	{
		new AnotherTableEx();
	}
 
 
	class MyTableModel extends AbstractTableModel
	{
		Object[][] data = {
			{"Calories",    "130", "calories"},
			{"Total Fat",   "0", "%"},
			{"Sodium",      "1", "%"},
			{"Total Carbs", "12", "%"},
		};
 
		String[] columns = {"Item", "Amount", "Units"};
 
		public int getColumnCount()
		{ return 3; }
 
		public int getRowCount()
		{ return 4; }
 
		public String getColumnName(int c)
		{ return columns[c]; }
 
		public Object getValueAt(int rowIndex, int colIndex)
		{ return data[rowIndex][colIndex]; }
 
		public boolean isCellEditable(int rowIndex, int colIndex)
		{ return false; }
	}
}
 
class TransparentJTable extends JTable implements MouseMotionListener, MouseListener
{
	protected Point begin = new Point();
	protected Point end = new Point();
 
	public TransparentJTable(TableModel tm)
	{
		super(tm);
		setOpaque(false);
		addMouseListener( this );
		addMouseMotionListener( this );
	}
 
	public void mouseClicked(MouseEvent me)
	{ }
 
	public void mousePressed(MouseEvent me)
	{
		begin = me.getPoint();
	}
 
	public void mouseReleased(MouseEvent me)
	{ }
 
	public void mouseEntered(MouseEvent me)
	{ }
 
	public void mouseExited(MouseEvent me)
	{ }
 
	public void mouseDragged(MouseEvent me)
	{
		end = me.getPoint();
		update(getGraphics());
 
		getGraphics().drawRect(begin.x, begin.y, end.x - begin.x, end.y - begin.y);
 
		addRowSelectionInterval(rowAtPoint(begin), rowAtPoint(end));
		addColumnSelectionInterval(columnAtPoint(begin), columnAtPoint(end));
	}
 
	public void mouseMoved(MouseEvent me)
	{ }
}