% language=us runpath=texruns:manuals/bidi

\startenvironment bidi-style

\usemodule[abr-04]

\dontcomplain

\startbuffer[preamble-fonts]
\definefontfallback
  [Serif] [scheherazaderegular*arabic]
  [arabic] [force=yes,rscale=1.5]
\definefontfallback
  [SerifBold] [scheherazadebold*arabic]
  [arabic] [force=yes,rscale=1.5]
\definefontfallback
  [SerifItalic] [scheherazaderegular*arabic]
  [arabic] [force=yes,rscale=1.5]
\definefontfallback
  [SerifBoldItalic] [scheherazadebold*arabic]
  [arabic] [force=yes,rscale=1.5]

\definefontfallback
  [Serif] [sileot*hebrew]
  [hebrew] [force=yes]
\definefontfallback
  [SerifBold] [sileot*hebrew]
  [hebrew] [force=yes]
\definefontfallback
  [SerifItalic] [sileot*hebrew]
  [hebrew] [force=yes]
\definefontfallback
  [SerifBoldItalic] [sileot*hebrew]
  [hebrew] [force=yes]

\definefontfallback
  [Mono] [almfixed*none]
  [arabic] [force=yes]

\definefontfallback
  [Mono] [sileot*none]
  [hebrew] [force=yes,factor=1] % factor forces a monospace

\setupbodyfont
  [dejavu,10pt]
\stopbuffer

\startbuffer[preamble-languages]
\setuplanguage[ar][font=arabic,bidi=right]
\setuplanguage[he][font=hebrew,bidi=right]
\stopbuffer

\getbuffer[preamble-fonts]
\getbuffer[preamble-languages]

\setuplayout
  [backspace=15mm,
   topspace=15mm,
   footer=0pt,
   width=middle,
   height=middle]

% \setuptyping
%   [color=middleblue]
%
% \setuptype
%   [color=middleblue]

\usemodule[scite]

\setuptyping
  [option=TEX]

\setuptype
  [option=TEX]

\definecolor
  [maincolor]
  [middleblue]

\setupwhitespace
  [big]

\setuphead
  [color=darkyellow]

\setuphead
  [chapter]
  [style=\bfc]

\setuphead
  [section]
  [style=\bfb]

\setuphead
  [subsection]
  [style=\bfa]

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%

\startluacode
    local report = logs.reporter("directions","check")
    local line   = 0
    function nodes.tracers.checkdirections(head)
        line = line + 1
        report("line: %i",line)
        for n in nodes.traverse_id(nodes.nodecodes.dir,head) do
            report("  %s (%i,%i)",n.dir,n.subtype,n.direction)
        end
        return head, false
    end

    nodes.tasks.appendaction("contributers","after","nodes.tracers.checkdirections")
    nodes.tasks.disableaction("contributers","nodes.tracers.checkdirections")
\stopluacode

\installtextracker
   {directions.check}
   {\ctxlua{nodes.tasks.enableaction("contributers","nodes.tracers.checkdirections")}}
   {\ctxlua{nodes.tasks.disableaction("contributers","nodes.tracers.checkdirections")}}

% \enabletrackers[directions.check]
% \disabletrackers[directions.check]

\stopenvironment