[Qgis-developer] drill down in QgsValueRelationWidgetWrapper::createCache

Matthias Kuhn matthias at opengis.ch
Tue Nov 17 04:22:42 PST 2015


Without looking into it in detail, adding this to the expression context
sounds like a good idea.

On 11/17/2015 12:56 PM, Alessandro Pasotti wrote:
> Hi,
>
> it seems that the widget's expression context does not have access to
> the currently edited record.
>
> Maybe I've just not found a way to do that but it's impossible to
> filter relations with an expression built upon the the values of the
> "main" record (the one currently edited in the form) because
> $currentfeature refers to the relation layer,
>
> A possible solution would be to add a $currentformfeature to the
> expression and add the edited feature to the expression context.
>
> Would it be a possible solution?
> Any hint?
>
> -- 
> Alessandro Pasotti
> w3:   www.itopen.it <http://www.itopen.it>
>
>
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-- 
Matthias Kuhn
OPENGIS.ch - https://www.opengis.ch
Spatial • (Q)GIS • PostGIS • Open Source

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