Re: [NTG-context] Need help defining command.

22 Oct 2013

      Hi Wolfgang,

Am 22.10.2013 um 11:31 schrieb Wolfgang Schuster :
...
Am 22.10.2013 um 10:34 schrieb Keith J. Schultz :
...
HI All,
I remember seeing some seeing what I want to do but I can not find it.
I would like to define a command that takes an optional key-valued list and
1 or 2 manditory ones.
Something like
\unexanded\def\MyCommand[#1]#2%
{%
\NassiGroupFrame[#1]{#2}%
}%
\unexanded\def\MyCommand
 {\dosingleempty\doMyCommand}
\def\doMyCommand[#1]#2%
 {\NassiGroupFrame[#1]{#2}}
...
or
\unexanded\def\MyCommand[#1]#2%
{%
% extract keyvalue
\NassiGroupFrame[\width=\extractedvalueone]{hbox to \extractvaletwo{#2}}%
}%
\unexanded\def\MyCommand
 {\dosingleempty\doMyCommand}
\def\doMyCommand[#1]#2%
 {\begingroup
  \getdummyparameters[valueone=6cm,valuetwo=5cm,#1]
  \NassiGroupFrame[width=\dummyparameter{valueone}]{\hbox to \dummyparameter{valuetwo}{#2}}%
  \endgroup}
\MyCommand[valuetwo=4cm]{...}
...
where \NassiGroupFrame is a Frame.
To give you an idea why I need this see the MWE below.
This is a relatively simple example, there will be more complicated frames and
they will be nested.
Maybe I am chasing windmills and there is a better way and I should use cld or lua for
outputing the Frames so that I can have spacing between the command and avoid having
to use "%" after the first opening "{".
Or does someone know how it can be done. Is there a way to use ConTeXt to write the command
There are ways to ignore the spaces at the begin (\ignorespaces) and end (\removeunwantedspaces)
of a group but you should rethink first your interface for your commands (why no start/stop commands).
I thought about that, but I do not know I could use start/-commands in this context!

regards
	Keith