ai2472206...@yeah.net schrieb am 25.04.2024 um 10:24:
hi!
I'm new to ConTeXt. I want to define a command with sidenote function. This
[setupsidenote] command inherits the options of [setupmargindata],
[setupcounter] and [setupframed]. just like [setupenumeration] inherits the
option of [setupcounter].
I've defined the following sidenote command by searching, and I know how to
define a new option for it. But what I don't know is how to get it to inherit
the options of other commands and perform these features correctly.
Any clue is warmly welcome.
Hi ???,
not all commands provide a way to inherit their options but the "framed"
and "counter" mechanism supports it.
To use the framed mechanism with your own command replace
\installcommandhandler with \installframedcommandhandler. This creates a
command named \inherited...framed which can be customized with the
setups of the new namespace.
%%%% begin example
\unprotect
\installnamespace {sidenote}
\installframedcommandhandler \????sidenote {sidenote} \????sidenote
\protect
\starttext
\inheritedsidenoteframed{Text in a frame!}
\setupsidenote[framecolor=red,width=8cm,height=2cm]
\inheritedsidenoteframed{Text in a frame!}
\stoptext
%%%% end example
To use the counter mechanism with your commands you have to first use
\installcounterassociation to create the two new commands
\register...counter (this ensures the default counter values are used
when you don't set anything) and \synchronize...counters (which updates
the counter values when you use the setup of your own command).
Unlike the framed mechanism this no longer works with the root instance
of your own commands because we create a new counter only when you
create a instance (with \define...) of the new command.
%%%% begin example
\unprotect
\installnamespace {sidenote}
\installcommandhandler \????sidenote {sidenote} \????sidenote
\installcounterassociation{sidenote}
\appendtoks
\registersidenotecounter\currentsidenote
\definecounter[\currentsidenote]%
\to \everydefinesidenote
\appendtoks
\synchronizesidenotecounters
\to \everysetupsidenote
\protect
\starttext
% create a new sidenote instance with a associated counter
\definesidenote[example]
\start % use grouping to keep the sidenote instance local
\def\currentsidenote{example}% set the sidenote instance to example
\incrementcounter[example]% increment the example/sidenote counter
\convertedcounter[example]% print the example/sidenote counter
\stop
% change the number format of the example/sidenote counter
\setupsidenote[example][numberconversion=romannumerals]
\start
\def\currentsidenote{example}
\incrementcounter[example]
\convertedcounter[example]
\stop
\stoptext
%%%% end example
Wolfgang
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