%D \module
%D   [       file=tabl-frm,
%D        version=2017.04.11,
%D          title=\CONTEXT\ Table Macros,
%D       subtitle=Framed Tables,
%D         author=Hans Hagen,
%D           date=\currentdate,
%D      copyright={PRAGMA ADE \& \CONTEXT\ Development Team}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.

%D For Thomas Schmitz who needed 3000 pages long tables.

\unprotect

\writestatus{loading}{ConTeXt Table Macros / Framed Tables}

\installcorenamespace{framedtable}
\installcorenamespace{framedtablerow}
\installcorenamespace{framedtablecolumn}

\newcount\c_tabl_framed_c
\newcount\c_tabl_framed_r
\newdimen\d_tabl_framed_h
\newdimen\d_tabl_framed_d
\newdimen\b_tabl_framed

\initializeboxstack\??framedtable

\defineframed[\??framedtable]
\defineframed[\??framedtablerow][\??framedtable]
\defineframed[\??framedtablecolumn][\??framedtable]

\setupframed
  [\??framedtable]
  [\c!distance=\zeropoint,
   \c!before=,
   \c!after=,
   \c!inbetween=]

\setupframed
  [\??framedtablerow]
  [\c!strut=\v!no,
   \c!offset=\v!overlay]

% \defineframedtable[foo]
% \defineframedtable[bar][foo]

\unexpanded\def\defineframedtable
  {\dodoubleempty\tabl_framed_define}

\def\tabl_framed_define[#1][#2]%
  {\ifsecondargument
     \defineframed[\??framedtable#1][\??framedtable#2]%
   \else\iffirstargument
     \defineframed[\??framedtable#1][\??framedtable]%
   \fi\fi}

% \setupframedtable[foo][...]

\unexpanded\def\setupframedtable
  {\dodoubleempty\tabl_framed_setup}

\def\tabl_framed_setup[#1][#2]%
  {\ifsecondargument
     \ifcsname\??framed:\??framedtable#1\endcsname \else
       \defineframed[\??framedtable#1][\??framedtable]%
     \fi
     \setupframed[\??framedtable#1][#2]%
   \else
     \setupframed[\??framedtable][#1]%
   \fi}

% \setupframedtable[1][...]
% \setupframedtable[foo][1][...]

\unexpanded\def\setupframedtablerow
  {\dotripleempty\tabl_framed_setup_row}

\def\tabl_framed_setup_row[#1][#2][#3]%
  {\ifthirdargument
     \ifcsname\??framed:\??framedtable#1\endcsname \else
       \defineframed[\??framedtable#1][\??framedtable]%
     \fi
     \ifcsname\??framed:\??framedtablerow#1:#2\endcsname \else
       \defineframed[\??framedtablerow#1:#2][\??framedtable#1]%
     \fi
     \setupframed[\??framedtablerow#1:#2][#3]%
   \else\ifsecondargument
     \ifcsname\??framed:\??framedtablerow:#1\endcsname \else
       \defineframed[\??framedtablerow:#1][\??framedtable]%
     \fi
     \setupframed[\??framedtablerow:#1][#2]%
   \fi\fi}

\unexpanded\def\setupframedtablecolumn
  {\dotripleempty\tabl_framed_setup_column}

\def\tabl_framed_setup_column[#1][#2][#3]%
  {\ifthirdargument
     \ifcsname\??framed:\??framedtable#1\endcsname \else
       \defineframed[\??framedtable#1][\??framedtable]%
     \fi
     \ifcsname\??framed:\??framedtablecolumn#1:#2\endcsname \else
       \defineframed[\??framedtablecolumn#1:#2][\??framedtable#1]%
     \fi
     \setupframed[\??framedtablecolumn#1:#2][#3]%
   \else\ifsecondargument
     \ifcsname\??framed:\??framedtablecolumn:#1\endcsname \else
       \defineframed[\??framedtablecolumn:#1][\??framedtable]%
     \fi
     \setupframed[\??framedtablecolumn:#1][#2]%
   \fi\fi}

\unexpanded\def\startframedtable
  {\dodoubleempty\tabl_framed_start}

\unexpanded\def\tabl_framed_start[#1][#2]%
  {\begingroup
   \forgetall
   \doifelseassignment{#1}%
     {\let\currentframedtable\empty
      \setupframed[\??framedtable][#1]}%
     {\edef\currentframedtable{#1}%
      \setupframed[\??framedtable][#2]}%
   \edef\currentframed{\??framedtable\currentframedtable}%
   \c_tabl_framed_r\zerocount
   \d_tabl_framed_d\framedparameter\c!distance
   \framedparameter\c!before}

\unexpanded\def\stopframedtable
  {\framedparameter\c!after
   \endgroup}

% \unexpanded\def\startframedrow
%   {\advance\c_tabl_framed_r\plusone
%    \c_tabl_framed_c\zerocount
%    \d_tabl_framed_h\zeropoint
%    \bgroup
%    \edef\currentframed{\number\c_tabl_framed_r}%
%    \edef\currentframed
%      {\??framedtablerow\currentframedtable
%       \ifcsname\??framedtablerow\currentframedtable:\currentframed\endcsname
%         :\currentframed
%       \else\ifcsname\??framedtablerow\currentframedtable:\v!each\endcsname
%         :\v!each
%       \fi\fi}%
%    \dosingleempty\pack_framed_start_framed_nop_indeed}
%
% \unexpanded\def\stopframedrow
%   {\dofastloopcs\c_tabl_framed_c\tabl_framed_flush_row
%    \stopframed
%    \nointerlineskip
%    \vskip\zeropoint\relax
%    \framedparameter\c!inbetween}
%
% \unexpanded\def\tabl_framed_flush_row
%   {\vpack to \d_tabl_framed_h{\flushbox\??framedtable{\number\fastloopindex}\vfill}%
%    \ifdim\d_tabl_framed_d=\zeropoint\else\kern\d_tabl_framed_d\fi}
%
% \unexpanded\def\startframedcell
%   {\advance\c_tabl_framed_c\plusone
%    \setbox\b_tabl_framed\hpack\bgroup
%   %\bgroup
%    \edef\currentframed{\number\c_tabl_framed_c}%
%    \edef\currentframed
%      {\??framedtablecolumn\currentframedtable
%       \ifcsname\??framedtablecolumn\currentframedtable:\currentframed\endcsname
%         :\currentframed
%       \else\ifcsname\??framedtablecolumn\currentframedtable:\v!each\endcsname
%         :\v!each
%       \fi\fi}%
%    \dosingleempty\pack_framed_start_framed_nop_indeed}
%
% \unexpanded\def\stopframedcell
%   {\stopframed
%   %\egroup
%    \ifdim\ht\b_tabl_framed>\d_tabl_framed_h
%      \d_tabl_framed_h\ht\b_tabl_framed
%    \fi
%    \savebox\??framedtable{\number\c_tabl_framed_c}{\box\b_tabl_framed}}

% a two pass variant that deals with the height .. so no catcode changes here

\unexpanded\def\startframedrow
  {\advance\c_tabl_framed_r\plusone
   \c_tabl_framed_c\zerocount
   \d_tabl_framed_h\zeropoint
   \bgroup
   \edef\currentframed{\number\c_tabl_framed_r}%
   \edef\currentframed
     {\??framedtablerow\currentframedtable
      \ifcsname\??framedtablerow\currentframedtable:\currentframed\endcsname
        :\currentframed
      \else\ifcsname\??framedtablerow\currentframedtable:\v!each\endcsname
        :\v!each
      \fi\fi}%
   \dosingleempty\pack_framed_start_framed_nop_indeed}

\unexpanded\def\stopframedrow
  {\dofastloopcs\c_tabl_framed_c\tabl_framed_flush_row
   \stopframed
   \nointerlineskip
   \vskip\zeropoint\relax
   \framedparameter\c!inbetween}

\unexpanded\def\tabl_framed_flush_row
  {\vpack to \d_tabl_framed_h{\flushbox\??framedtable{\number\fastloopindex}\vfill}%
   \ifdim\d_tabl_framed_d=\zeropoint\else\kern\d_tabl_framed_d\fi}

\newcount\c_tabl_framed_pass

\let\stopframedrow\relax

\unexpanded\def\startframedrow#1\stopframedrow
  {\advance\c_tabl_framed_r\plusone
   \startframedrow_one#1\stopframedrow_one
   \startframedrow_two#1\stopframedrow_two}

\def\startframedrow_one
  {\bgroup
   \c_tabl_framed_pass\plusone
   \c_tabl_framed_c\zerocount
   \d_tabl_framed_h\zeropoint
   \settrialtypesetting
   \gobblesingleempty}

\unexpanded\def\stopframedrow_one
  {\normalexpanded{\egroup\d_tabl_framed_h\the\d_tabl_framed_h\relax}}

\def\startframedrow_two
  {\bgroup
   \c_tabl_framed_c\zerocount
   \c_tabl_framed_pass\plustwo
   \edef\currentframed{\number\c_tabl_framed_r}%
   \edef\currentframed
     {\??framedtablerow\currentframedtable
      \ifcsname\??framedtablerow\currentframedtable:\currentframed\endcsname
        :\currentframed
      \else\ifcsname\??framedtablerow\currentframedtable:\v!each\endcsname
        :\v!each
      \fi\fi}%
   \dosingleempty\pack_framed_start_framed_nop_indeed}

\unexpanded\def\stopframedrow_two
  {\dofastloopcs\c_tabl_framed_c\tabl_framed_flush_row
   \stopframed
   \nointerlineskip
   \vskip\zeropoint\relax
   \framedparameter\c!inbetween}

\unexpanded\def\tabl_framed_flush_row_two
  {\vpack to \d_tabl_framed_h{\flushbox\??framedtable{\number\fastloopindex}\vfill}%
   \ifdim\d_tabl_framed_d=\zeropoint\else\kern\d_tabl_framed_d\fi}


\unexpanded\def\startframedcell
  {\advance\c_tabl_framed_c\plusone
   \setbox\b_tabl_framed\hpack\bgroup
  %\bgroup
   \edef\currentframed{\number\c_tabl_framed_c}%
   \edef\currentframed
     {\??framedtablecolumn\currentframedtable
      \ifcsname\??framedtablecolumn\currentframedtable:\currentframed\endcsname
        :\currentframed
      \else\ifcsname\??framedtablecolumn\currentframedtable:\v!each\endcsname
        :\v!each
      \fi\fi}%
   \ifcase\c_tabl_framed_pass
   \or
     \letframedparameter\c!background\empty
     \letframedparameter\c!frame\v!off
   \or
     \letframedparameter\c!height\d_tabl_framed_h
   \fi
   \dosingleempty\pack_framed_start_framed_nop_indeed}

\unexpanded\def\stopframedcell
  {\stopframed
  %\egroup
   \ifcase\c_tabl_framed_pass
   \or
     \ifdim\ht\b_tabl_framed>\d_tabl_framed_h
       \d_tabl_framed_h\ht\b_tabl_framed
     \fi
   \else
     \savebox\??framedtable{\number\c_tabl_framed_c}{\box\b_tabl_framed}%
   \fi}

\protect \endinput

\starttext

\setupframedtablecolumn [1] [width=3cm,background=color,backgroundcolor=red]
\setupframedtablecolumn [2] [width=4cm,background=color,backgroundcolor=green,align=normal]
% \setupframedtablerow [each] [background=color,backgroundcolor=blue,strut=no]
% \setupframedtablerow [each] [strut=no,offset=overlay]

\startframedtable[inbetween=\kern-0.4pt,distance=-0.4pt]

\testfeatureonce{10000}{
% \testfeatureonce{10}{
    \startframedrow
        \startframedcell%[backgroundcolor=yellow]
        test
        \stopframedcell
        \startframedcell
        test \par test
        \stopframedcell
    \stopframedrow
}
\stopframedtable

\stoptext