* @param column the column whose value is to be queried
     * @return true
     */
    public boolean isCellEditable(int row, int column) {
        Boolean isEditable = null;

        //  Check is column editability has been set

        if (column < isColumnEditable.length)
            isEditable = isColumnEditable[column];

        return (isEditable == null) ? isModelEditable : isEditable.booleanValue();
    }