Cfrgtkky

My problem is that I have tables that are three pages long. Thus, I would like to have three different captions when using the longtable package.

The similar question How to use a longtable with only one entry in the list of tables does not solve my problem. As far as I know this is how we could use longtable regarded this matter:

caption{Example of longtable}

endfirsthead

caption{Continued}

endhead

However, if the table occupies three pages, so that's how the captions are:

Table 2.1 - Example of longtable (page 1)

Table 2.1 - Continued (page 2)

Table 2.1 - Continued (page 3)

In other words, I can not get different captions for the second and third pages. That's what I want and that's the problem.

longtable has two settings for the headers of the table: endfirsthead and endhead. The contents of endfirsthead will be saved in the save box LT@firsthead and the contents of endhead in LT@head. If the box LT@firsthead is empty, longtable uses the contents of LT@head. The same procedure will be used for the footer. In the same way I defined a endsecondhead

defendsecondhead{LT@end@hd@ftLT@secondhead}

To use this command I have to define a new save box which will be set only on the second page.

newboxLT@secondhead

To make sure that only on the second page this box will be used I have to manipulate the output of longtable. Therefore I use a simple ifvoid clause.

ifvoidLT@secondhead

   copyLT@headnobreak

else

   boxLT@secondheadnobreak

fi

ifvoid tests whether the save box LT@secondhead is empty or not. If you set a second head, the box will be printed by box. This command prints the box and clears the box. So on the next page the test above is true. In this way you make sure that when no second head is defined the endhead will be used.

To allow for more than three different headings you must define new save boxes and extend the test.

documentclass{article}

usepackage{forloop,longtable}

newcounter{count}

setcounter{count}{1}

makeatletter

newboxLT@secondhead

defendsecondhead{LT@end@hd@ftLT@secondhead}

defLT@output{%

  ifnumoutputpenalty <-@Mi

    ifnumoutputpenalty > -LT@end@pen

      LT@err{floats and marginpars not allowed in a longtable}@ehc

    else

      setboxz@vbox{unvbox@cclv}%

      ifdim htLT@lastfoot>htLT@foot

        dimen@pagegoal

        advancedimen@-htLT@lastfoot

        ifdimdimen@<htz@

          setbox@cclvvbox{unvboxz@copyLT@footvss}%

          @makecol

          @outputpage

          ifvoidLT@secondhead

           setboxz@vbox{boxLT@head}%

          else

           setboxz@vbox{boxLT@secondhead}%

          fi

        fi

      fi

      global@colroom@colht

      globalvsize@colht

      vbox

        {unvboxz@boxifvoidLT@lastfootLT@footelseLT@lastfootfi}%

    fi

  else

    setbox@cclvvbox{unvbox@cclvcopyLT@footvss}%

    @makecol

    @outputpage

      globalvsize@colroom

      ifvoidLT@secondhead

         copyLT@headnobreak

      else

         boxLT@secondheadnobreak

      fi

  fi}

makeatother





begin{document}

listoftables

section{section}

begin{longtable}{c}

caption{foo}\stepcounter{table}endfirsthead

caption{foo bar}\stepcounter{table}endsecondhead

caption{bar}\endhead

whiledo{value{count} < 100}{stepcounter{count}

   arabic{count} \}

end{longtable}

end{document}