From: Wolfgang Schuster <schuster.wolfgang@gmail.com>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: \doifemptyelse
Date: Thu, 20 Feb 2014 23:23:24 +0100 [thread overview]
Message-ID: <F5E6E32E-278E-4C5F-AF7C-46FC9276520F@gmail.com> (raw)
In-Reply-To: <53067D34.4020903@gmx.es>
Am 20.02.2014 um 23:09 schrieb Pablo Rodriguez <oinos@gmx.es>:
> On 02/20/2014 09:39 PM, Wolfgang Schuster wrote:
>> Am 20.02.2014 um 21:12 schrieb Pablo Rodriguez:
>>> [...]
>>> How can I make the first conditional work?
>>
>> You can’t, markings are only reliable when you use them in the
>> header of footer of the page.
>>
>> To access the values of a heading you can use the \structurevariable
>> and \namedstructurevariable commands.
>
> Many thanks for your reply, Wolfgang.
>
> My question was about headers, but I didn’t mention it to make a shorter sample.
In this case this was a important part for the solution because it makes a difference
when you use \getmarking in \setupheadertexts or in the text.
> The code now is the following:
>
> \setupheadertexts[\hfill\namedstructurevariable{chapter}{title}\hfill]
> [] []
> [\hfill\doifsomethingelse{\namedstructurevariable{section}{title}}
> {\namedstructurevariable{section}{title}}
> {\namedstructurevariable{chapter}{title}}\hfill]
>
>
> Only a minor detail: is there a more proper way to center both headings?
You can use the simple version of \setupheadertexts and use \doifoddpageelse
to check whether you’re on a left or right page. When you make a test for content
of a \getmarking command you have to use \doiftext because the \doifempty etc.
checks don’t work in this case.
\startsetups[header]
\doifoddpageelse
{
\getmarking[chapter]
}
{
\doiftextelse
{
\getmarking[section]
}
{
\getmarking[section]
}
{
\getmarking[chapter]
}
}
\stopsetups
\setupheadertexts[\directsetup{header}]
\setupfootertexts[pagenumber]
\starttext
\chapter{Chapter A}
\page
\chapter{Chapter B}
\page
\dorecurse{5}
{\chapter{Chapter #1}
\dorecurse{10}
{\section{Section #1.##1}
\dorecurse{3}{\input knuth\par}}}
\stoptext
Wolfgang
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next prev parent reply other threads:[~2014-02-20 22:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-20 20:12 \doifemptyelse Pablo Rodriguez
2014-02-20 20:39 ` \doifemptyelse Wolfgang Schuster
2014-02-20 22:09 ` \doifemptyelse Pablo Rodriguez
2014-02-20 22:23 ` Wolfgang Schuster [this message]
2014-02-23 7:24 ` \doifemptyelse Pablo Rodriguez
2014-02-20 22:32 ` \doifemptyelse Thangalin
2014-02-23 7:28 ` \doifemptyelse Pablo Rodriguez
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