Am Dienstag, 26. Februar 2019 16:36:35 CET schrieb Dr Eberhard Lisse
<nos...@lisse.na>:
>
> I have done something similar
>
> in Document -> Settings -> Local Layout
>
> [...]
> Style EDD
> CopyStyle Date
> LabelFont
> Series Bold
> Color Red
> EndFont
> LatexName renewcommand
> LatexParam {\LMP}
> LabelString "LMP:"
> Preamble
> \newcommand\LMP[1]{#1}
> EndPreamble
> End
> [...]
>
> and this in Document -> Settings -> LaTeX Preamble
>
> [...]
> usepackage{luacode}
> \begin{luacode*}
> function gbt(refdat)
> local year, month, day = refdat:match("(%d%d%d%d)-(%d%d)-(%d%d)")
> local gebtermin = os.time({day = day + 283, month = month,
> year = year})
> local t = os.date("!%Y-%m-%d",gebtermin)
> return t
> end
> function hpv(refdat)
> local year, month, day = refdat:match("(%d%d%d%d)-(%d%d)-(%d%d)")
> local w24 = os.time({day = day + 168, month = month, year = year})
> local VersEnde = os.date("*t", w24)
> local wdshift = {-2,-3,3,2,1,0,-1}
> local sh = wdshift[VersEnde.wday]
> local korrhpv = os.time({day = VersEnde.day + sh,
> month = VersEnde.month, year = VersEnde.year})
> local v = os.date("!%Y-%m-%d",korrhpv)
> return v
> end
> \end{luacode*}
> \newcommand\EDD[1]{\directlua{tex.sprint(gbt("#1"))}}
> \newcommand\CUTOFF[1]{\directlua{tex.sprint(hpv("#1"))}}
> [...]
>
> results in this LaTeX Code
>
> [...]
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% Textclass specific LaTeX commands.
> \newcommand\LMP[1]{#1}
> [...]
> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%% User specified LaTeX commands.
> \usepackage{luacode}
> [...]
> \newcommand\EDD[1]{\directlua{tex.sprint(gbt("#1"))}}
> \newcommand\CUTOFF[1]{\directlua{tex.sprint(hpv("#1"))}}
> [...]
>
> which as you can imagine allows me to put the Date of Last Menstruation
> in ISO format in the Red LMP: field in the LyX GUI and at PDF generation
> \EDD{\LMP} makes the Expected Date of Delivery appear automatically
> whereas \CUTOFF{\LMP} produces the Friday nearest to 24 weeks of
> pregnancy.
>
> This (accessing LUA (or even knitR) stuff from the GUI, for example) can
> become extremely powerful :-)-O
>
> el
Nice.
>
> On 26/02/2019 09:16, Kornel Benko wrote:
> > Am Dienstag, 26. Februar 2019 01:35:52 CET schrieb Christian
> > <cde...@gmail.com>:
> >> Sorry, but I don't see how this solves the problem. This solution
> >> assumes that the variable allocation is always fixed, so that loading
> >> the module would be equivalent to have a set of variables
> >> automatically allocated by "% some stuff to go in the preamble".
> >> This is not what I was aiming for. The idea is to create some LyX
> >> layout (environment, or similar, like "Author", or "Abstract"). Is
> >> it possible to do it?
> >
> > It is exactly as Riki posted. Look for example in
> > acmsiggraph-0-92.layout Style "Copyright_year"
> >
Kornel
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