column = header.getTable().convertColumnIndexToModel(column);
		public void mouseClicked(MouseEvent e) {			JTableHeader header = (JTableHeader)e.getSource();			int column = header.columnAtPoint(e.getPoint());			if (column != sortColumn) {				sortColumn = column;				sortDirection = SORT_ASCENDING_ORDER;			} else {				sortDirection = (sortDirection + 1) % NUM_SORT_DIREECTIONS;			}			super.mouseClicked(e);			DefaultSortedTableModel.this.fireTableDataChanged();		}