Thank you very much Mark. I couldn't get your solution to work, but I did
it differently, with a macro:
\define concatenate_filter(fd fi)
<$visjstimeline filter="[$fd$$fi$]" startDateField="date-debut"
endDateField="date-fin" format="YYYY-MM-DD" groupField="institution"
boxing="auto" navpad />
\end
<$macrocall $name="concatenate_filter" fd={{!!filtre_domaine}}
fi={{!!filtre_institution}} />
Le vendredi 16 avril 2021 à 20:18:59 UTC+2, Mark S. a écrit :
> Try:
>
> <$visjstimeline
> filter="[<currentTiddler>get[filtre_domaine]compare:string:eq{!!filtre_institution}]"
>
> startDateField="date-debut" endDateField="date-fin" format="YYYY-MM-DD"
> groupField="institution" boxing="auto" navpad />
>
> This requires a recent edition of TW since it uses the compare operator.
>
> Double braces (e.g. {{ and }} ) don't work inside of filters. They get
> reduced to single braces (as above). Text substitution only works inside of
> macros, so here instead I use the "get" operator to fetch the contents of
> the filtre-_domaine field and then compare it with the contents of
> filtre_institution. It's good practice to put your filter inside double
> quotes.
>
> This is a case where seeing a website would help -- setting up my own
> visjstimeline test site might take hours.
>
> Good luck!
>
> On Friday, April 16, 2021 at 7:28:49 AM UTC-7 jln wrote:
>
>> Hi,
>>
>> I've a field named "filtre_domaine" with value tag[AÀP] and a second one
>> named "filtre_institution" with value field:institution[CLARA]
>>
>> I would like to "inject" these values into a visjstimeline widget
>>
>> The following doesn't work :
>>
>> <$visjstimeline filter=[{{!!filtre_domaine}}{{!!filtre_institution}}]
>> startDateField="date-debut" endDateField="date-fin" format="YYYY-MM-DD"
>> groupField="institution" boxing="auto" navpad />
>>
>> so I guess I've to create a macro to concatenate the fields values:
>>
>> \define concatenate_filter()
>> [{{!!filtre_domaine}}{{!!filtre_institution}}]
>>
>> The "result" of the macro is fine: when I call <<concatenate_filter>> I
>> get
>>
>> tag[AÀP]field:institution[CLARA]]
>> and if I copy/paste this litteral result into the widget, the Gantt chart
>> is ok.
>>
>> But it doesn't work when I try to call the macro inside the widget:
>>
>> <$visjstimeline filter=<<concatenate_filter>> startDateField="date-debut"
>> endDateField="date-fin" format="YYYY-MM-DD" groupField="institution"
>> boxing="auto" navpad />. I get "Filter error: Missing [ in filter
>> expression" but I dont' undertand why…
>>
>> Thanks!
>>
>>
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