Re: [NTG-context] \placelist summary alternative solution

14 Dec 2011

      On 14-12-2011 17:50, Felix Ingram wrote:
...
I've ended up delving into the dark art that is Lua for this solution:
\define[0]\SummaryTable{%
\placetable[force, none]{}{%
\setupTABLE[frame=off]
\bTABLE
\bTABLEhead
\bTR\bTH Reference\eTH\bTH Title\eTH\bTH Page\eTH\eTR
\eTABLEhead
\bTABLEbody
\startluacode
     for k, v in ipairs(structures.lists.collected) do
         if v.metadata.kind == "section" and v.metadata.name == "section" then
             context.bTR()
                 context.bTD()
                     context("REFREF")
                 context.eTD()
                 context.bTD()
                     context(v.titledata.title)
                 context.eTD()
                 context.bTD()
                     context(v.references.realpage)
                 context.eTD()
             context.eTR()
         end
     end
\stopluacode%
\eTABLEbody
\eTABLE
}%
}%
\starttext
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\section{Test}
\input{knuth}
\SummaryTable
\stoptext
This works to some degree though I have the following questions about it:
1. Is there a way to access a document global variable from Lua? I
will use this to replace the REFREF text.
\startluacode

document.myvariables = { }

document.myvariables.whatever = "SOME TEXT"

\stopluacode

...

context(document.myvariables.whatever)
...
2. v.references.realpage isn't the actual page of the title. How can I
access the page number that would have appeared in the ToC? (I've
restarted the page numbering in my master doc, the above example works
fine)
as you're looking into the code ... search for helpers like

lists.prefixedpage

keep in mind that this is not yet an official api (although it will 
probably stay this way)
...
3. Is there a way to store some metadata along with my title? I'd like
something similar to this:
\myheader[author=me, date=2011-12-14]{This is my header with meta-data}
and then be able to access it from Lua again.
it's called userdata (third argument to \startchapter etc) .. it travels 
with the rest

Hans

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