Christmas Bird Count history report system

# - - -   P a r t y H o u r s C e l l . h t m l

    def html(self, sox, addCss=None):
        '''Render self as XHTML.
        '''

If no values have been accumulated, a hyphen is displayed to indicate an absence of data. The function that uses an appropriate amount of precision is Section 58, “statNumber(): Display a float without too much precision”. For the CSS class used to mark up the resulting th element, see Section 13.4.12, “CLASS_PH_CELL”.

        #-- 1
        # [ if self._total is None ->
        #     text  :=  a hyphen
        #   else ->
        #     text  :=  self._total displayed without excessive precision ]
        if self._total is None:
            text = '-'
        else:
            text = statNumber(self._total)

        #-- 2
        # [ sox  +:=  a td element containing text and the markup in
        #       CLASS_PH_CELL combined with addCss ]
        sox.leaf("td", text, combineCss(CLASS_PH_CELL, addCss),
                 valign='top')