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From: andrei--- via ntg-context <ntg-context@ntg.nl>
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Subject: Custom Table of Contents
Date: Thu, 20 Jan 2022 17:45:38 +0300
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Hi! I=E2=80=99m new to ConTeXt.

I need to make a custom table of contents that looks like this:

https://imgur.com/a/Ca3By6X

Each row in the table corresponds to an item that has following data to =
print in the table of contents: page, total number of pages which the =
item spans, name of the item and a custom text metadata field which is =
defined by the item. Each item will have its own regular table of =
content and own structure. So we can think of this TOC as kind of a mega =
table of content one level above.

It needs to be fully automatic.
The actual table is going to be an xtable (which I was blown away by =
after using LaTeX godawful tables for years, it=E2=80=99s soo good).

After digging into the documentation (again, wow, it=E2=80=99s soo =
detailed and approachable after LaTeX=F0=9F=98=82), I found out that =
\completecontent doesn't provide such extreme level of customization. =
Therefore I need reimplement at least some parts of the default content =
forming mechanism. After digging in the source a bit, I found something =
relevant: =
https://source.contextgarden.net/tex/context/base/mkxl/strc-lst.mklx =
<https://source.contextgarden.net/tex/context/base/mkxl/strc-lst.mklx>.


What I need is some guidance on what would be the best course of action, =
in particular, which API should I use and roughly how should I approach =
it=F0=9F=99=8F

Should I create my own counters for each item and somehow reference =
those manually in the TOC?

How would I save additional text metadata field and the item name to =
show it in the TOC?

The source code mentions a concept of list renderers. This sounds like =
the correct API to plug in, but it=E2=80=99s hard for me to grasp how =
exactly it works.



Any help will be appreciated! Thank you in advance!

Stay safe,
Andrei Borisov.=

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class=3D""><p class=3D"p1"><span class=3D"s1">Hi! I=E2=80=99m new to =
ConTeXt.</span></p><p class=3D"p1"><span class=3D"s1">I need to make a =
custom table of contents that looks like this:</span></p><p =
class=3D"p1"><a href=3D"https://imgur.com/a/Ca3By6X" =
class=3D"">https://imgur.com/a/Ca3By6X</a></p><p class=3D"p1">Each row =
in the table corresponds to an item that has following data to print in =
the table of contents: page, total number of pages which the item spans, =
name of the item and a custom text metadata field which is defined by =
the item. Each item will have its own regular table of content and own =
structure. So we can think of this TOC as kind of a mega table of =
content one level above.</p><div class=3D"">It needs to be fully =
automatic.</div><p class=3D"p1"><span class=3D"s1">The actual table is =
going to be an</span><span class=3D"s2"> </span><span =
class=3D"s3">xtabl</span><span class=3D"s4">e</span><span class=3D"s1"> =
(which I was blown away by after using LaTeX godawful tables for years, =
it=E2=80=99s soo good).</span></p><p class=3D"p1"><span class=3D"s1">After=
 digging into the documentation (again, wow, it=E2=80=99s soo detailed =
and approachable after LaTeX=F0=9F=98=82), I found out that</span><span =
class=3D"s2"> </span><span class=3D"s3">\completeconten</span><span =
class=3D"s4">t</span><span class=3D"s1"> doesn't provide such extreme =
level of customization. Therefore I need reimplement at least some parts =
of the default content forming mechanism. After digging in the source a =
bit, I found something relevant: <a =
href=3D"https://source.contextgarden.net/tex/context/base/mkxl/strc-lst.mk=
lx" class=3D""><span =
class=3D"s5">https://source.contextgarden.net/tex/context/base/mkxl/strc-l=
st.mklx</span></a>.</span></p><div class=3D""><br class=3D""></div><p =
class=3D"p1"><span class=3D"s1">What I need is some guidance on what =
would be the best course of action, in particular, which API should I =
use and roughly how should I approach it=F0=9F=99=8F</span></p><p =
class=3D"p1"><span class=3D"s1">Should I create my own counters for each =
item and somehow reference those manually in the TOC?</span></p><p =
class=3D"p1"><span class=3D"s1">How would I save additional text =
metadata field and the item name to show it in the TOC?</span></p><p =
class=3D"p1"><span class=3D"s1">The source code mentions a concept of =
list renderers. This sounds like the correct API to plug in, but it=E2=80=99=
s hard for me to grasp how exactly it works.</span></p><p =
class=3D"p2"><span class=3D"s6"></span><br class=3D""></p><p =
class=3D"p1"><span class=3D"s1">Any help will be appreciated! Thank you =
in advance!</span></p><div class=3D"">Stay safe,</div><div =
class=3D"">Andrei Borisov.</div></div></div></body></html>=

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