Re: [NTG-context] Using Lua to format lecture titles
noib3 via ntg-context schrieb am 17.08.2021 um 16:43:
I'm trying to create a new lecture environment starting from the base
section.
I'd like its title to be `Lecture : ` if a title is
provided, and `Lecture ` if it isn't. This title should also be
reported in the left footer and in the table of contents.
This is the code I have so far:
[...]
Unfortunately none of them are reported correctly. The title in the body
is formatted simply as `Lecture`, the one in the left footer is
formatted as `Lecture`, and the one in the table of
contents isn't affected at all.
Why do you need Lua to format the list entries and section titles?
\definehead
[lecture]
[section]
\define[1]\LectureTextCommand
{\doiftext{#1}{: #1}}
\setuphead
[lecture]
[bodypartlabel=lecture,
distance=0pt,
textcommand=\LectureTextCommand,
style=\bfc]
\setuplabeltext
[en]
[lecture={Lecture }]
\setupcombinedlist
[content]
[list={lecture}]
\define[3]\LectureListCommand
{\labeltext{lecture}#1\doiftext{#2}{: #2}\filler[dotfill]#3\par}
\setuplist
[lecture]
[alternative=command,
command=\LectureListCommand]
\startsetups [footer:left]
\labeltext{lecture} \getmarking[lecturenumber]
\doiftext{\getmarking[lecture]}{: \getmarking[lecture]}
\stopsetups
\setupfootertexts
[\directsetup{footer:left}] []
\starttext
\completecontent
\startlecture [title={Foo}]
Foo bar baz
\stoplecture
\page
\startlecture
Foo bar baz
\stoplecture
\stoptext
Wolfgang
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[NTG-context] Using Lua to format lecture titles
I'm trying to create a new lecture environment starting from the base
section.
I'd like its title to be `Lecture : ` if a title is
provided, and `Lecture ` if it isn't. This title should also be
reported in the left footer and in the table of contents.
This is the code I have so far:
```
\definehead
[lecture]
[section]
\setuphead
[lecture]
[
command=\Lecture,
style=\bfc,
]
\setuplabeltext
[lecture={Lecture}]
\define[2]\Lecture{\ctxlua{
userdata.format_lecture_title({
label = context.labeltext('lecture'),
number = [==[#1]==],
title = [==[#2]==],
})
}}
\setupfootertexts
[\ctxlua{
userdata.format_lecture_title({
label = context.labeltext('lecture'),
number = context.getmarking({'lecturenumber'}),
title = context.getmarking({'lecture'}),
})
}]
[pagenumber]
\startluacode
userdata = userdata or {}
function userdata.format_lecture_title(args)
if args.title and args.title ~= '' then
context('%s %s: %s', args.label, args.number, args.title)
else
context('%s %s', args.label, args.number)
end
end
\stopluacode
\setupcombinedlist
[content]
[list={lecture}]
\setuplist
[lecture]
[
alternative=c,
command=\Lecture, % this seems to have no effect?
]
\starttext
\completecontent
% Both title and left footer should be 'Lecture 1: Foo'
\startlecture [title={Foo}]
Foo bar baz
\stoplecture
\page
% Both title and left footer should be 'Lecture 2'
\startlecture []
Foo bar baz
\stoplecture
\stoptext
```
Unfortunately none of them are reported correctly. The title in the body is
formatted simply as `Lecture`, the one in the left footer is formatted as
`Lecture`, and the one in the table of contents isn't
affected at all.
What am I doing wrong?
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