dynamically set options for a dropdown menu

[meik michalke]

hi,

Am Donnerstag, 11. Oktober 2018, 07:17:11 CEST schrieb Thomas Friedrichsmeier:
> On Wed, 10 Oct 2018 21:46:26 +0200
> meik michalke <meik.michalke at uni-duesseldorf.de> wrote:
> > so, could the above call somehow be used to dynamically
> > fill a dropdown menu in a plugin dialog?
> 
> this is not currently possible for a dropdown, but you can set the
> options of a <select> element, dynamically (property "available").
> 
> Of course that feature would make sense for a dropdown just as much,
> but the implementation of that is quite different.

i see. but select can't be limited to single selections, right?

as you've seen, i've added a small function called rk.check_for_pandoc() to 
the rkward R package, which checks the system for a pandoc installation and 
provides some information on supported formats.

i think it should either added somewhere to RKWard's startup routine and its 
findings  appended to the global .Options, and/or included in rk.sessionInfo() 
(for debugging).

can plugins access the global .Options? if not, at the very least a sanity 
check can now be added to the R code to be run, so if the user tries to submit 
something that is not supported by his/her system setup, a proper error 
message is returned.


viele grüße :: m.eik

-- 
  dipl. psych. meik michalke
  institut f"ur experimentelle psychologie
  abt. f"ur diagnostik und differentielle psychologie
  heinrich-heine-universit"at d-40204 d"usseldorf
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