[JW Lua] Updating expression categories

[Robert Patterson]

I think for the library it should be for a single expression, something
like:

expression.set_to_category_font(exp_def[, cat_id])

 (and maybe set_to_category_positioning with the same calling sequence.)


On Fri, Mar 24, 2023 at 3:41 PM Aaron Sherber <aaron at sherber.com> wrote:

> Thanks, Jan -- that does the trick. And that is indeed what I would call a
> "weak link"! Looks like the same thing has to be done with positioning,
> copying from the category to each expression that should be using it. I'm
> guessing Finale must do the same thing under the covers when you make a
> change to a category through the UI.
>
> Robert, this smells like something that should be in the library,
> something like category:resync_expressions() and/or
> expression.resync_to_category(). Do you agree? I'm going to need to add
> this functionality to my Options as JSON script, so if you want it in the
> library I may as well make that part of my PR.
>
> Aaron.
>
>
>
>
>
> On Fri, Mar 24, 2023 at 2:42 PM Jan Angermüller <jan at angermueller.com>
> wrote:
>
>> FCString:ReplaceCategoryFonts() is what you need.
>> This changes "Finale Maestro" dynamics to "Bravura".
>>
>> local catnumber=1
>> local c=finale.FCCategoryDef()
>> c:Load(catnumber)
>>
>> local f=finale.FCFontInfo()
>> c:GetMusicFontInfo(f)
>> f.Name="Bravura"
>> c:SetMusicFontInfo(f)
>> c:Save()
>>
>> local te=finale.FCTextExpressionDefs()
>> te:LoadAll()
>> local t
>> for t in each(te) do
>>     if t.CategoryID==catnumber then
>>         local tstr=t:CreateTextString()
>>         if tstr then
>>
>> tstr:ReplaceCategoryFonts(c,finale.CATEGORYMODE_MUSIC,true)
>>
>> --tstr:ReplaceCategoryFonts(c,finale.CATEGORYMODE_TEXT,true)
>>
>> --tstr:ReplaceCategoryFonts(c,finale.CATEGORYMODE_NUMBER,true)
>>             t:SaveTextString(tstr)
>>         end
>>     end
>> end
>>
>> Jan
>>
>> Am 24.03.2023 um 19:22 schrieb Robert Patterson:
>>
>> You have to rewrite the font info in the enigma string
>> <http://jwmusic.nu/jwplugins/wiki/doku.php?id=jwlua:enigmastrings>. I
>> think there are library functions to help with this. Look in enigma_string
>> library. Somewhere in the repo there's an example of assigning an
>> expressions to a category and syncing the font, but I don't remember where
>> now.
>>
>> On Fri, Mar 24, 2023 at 10:47 AM Aaron Sherber <aaron at sherber.com> wrote:
>>
>>> Hi Jan,
>>>
>>> Thanks -- but update how? I've tried setting and unsetting
>>> UseCategoryFonts, force setting the CategoryID, and using
>>> exp.AssignToCategory(), but none of those seem to work.
>>>
>>> Aaron.
>>>
>>>
>>>
>>>
>>>
>>> On Fri, Mar 24, 2023 at 11:11 AM Jan Angermüller <jan at angermueller.com>
>>> wrote:
>>>
>>>> Hi Aaron,
>>>>
>>>> here is a very old mail from Jari. You need to update the expressions
>>>> with an extra loop.
>>>>
>>>> Am 04.09.2014 um 18:29 schrieb Jari Williamsson:
>>>>
>>>> Some additional info: Expression defs are actually very weak linked
>>>> with the categories in Finale (much more weak than the impression the UI
>>>> gives). If you make changes to a category, you need to manually update all
>>>> expression defs that connects that category.
>>>>
>>>>
>>>> Jan
>>>>
>>>>
>>>>
>>>> Am 24.03.2023 um 14:06 schrieb Aaron Sherber:
>>>>
>>>> Hi all,
>>>>
>>>> If I use FCCategoryDef to change the font of a category, it appears
>>>> that existing expressions which are set to use the category font don't
>>>> automatically pick up this change. If I go into the Expression Designer,
>>>> the expressions still show using their old font. I need to uncheck and
>>>> recheck "Use Category Fonts" in order to get each expression to update.
>>>> Doing this in code (i.e., looping through FCTextExpressionDefs and setting
>>>> UseCategoryFont to false and then true and saving) doesn't seem to work
>>>> either.
>>>>
>>>> Is there some programmatic way to get expressions to recognize changes
>>>> to their categories?
>>>>
>>>> Thanks,
>>>> Aaron.
>>>>
>>>> _______________________________________________
>>>> JWLua mailing listJWLua at jwmusic.nuhttp://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>>>
>>>>
>>>> --
>>>> Jan Angermüller
>>>> Orchideenstieg 13
>>>> 22297 Hamburg
>>>> Tel. 040 - 28 94 84 82
>>>> Mobil 0173 - 99 33 904www.elbsound.studio
>>>>
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>>>>
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>>
>> _______________________________________________
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>>
>>
>> --
>> Jan Angermüller
>> Orchideenstieg 13
>> 22297 Hamburg
>> Tel. 040 - 28 94 84 82
>> Mobil 0173 - 99 33 904www.elbsound.studio
>>
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>> JWLua mailing list
>> JWLua at jwmusic.nu
>> http://jwmusic.nu/mailman/listinfo/jwlua_jwmusic.nu
>>
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