[QGIS-Developer] Drill-down (cascading) forms in QGIS Value Relation Widgets crowdfunding

[Matthias Kuhn]

Hi,

Yes indeed, there is a large overlap between the two and it would be
nice to unite them in the future.

Most of the recent work has gone into the relation reference widget, but
unfortunately there are still some things that will need to be
implemented on the relation reference widget before the value relation
widget can be declared obsolete (and I did not yet make a comprehensive
list).

Nyall, what would be required to bring this functionality also (or only)
into the relation reference widget? I guess the work that has gone into
the preparation for this crowdfunding will make it a lot easier also to
implement this in the relation reference widget?

Best regards

Matthias


On 04/16/2018 08:21 AM, Andreas Neumann wrote:
>
> Hi Nyall,
>
> Interesting campaign and definitely some needed feature that will help
> further improve forms in QGIS.
>
> However, I wonder why you chose the "value relation widget" and not
> the "relation reference widget". Both widget types have a larger
> overlap in functionality and I did hope that we could get rid of one
> of the two widgets in the future. Because from a user perspective it
> is confusing that different widget types exist that do similar things.
>
> I had the impression that the team around Denis/Matthias is pushing
> the "relation reference widget" and had the plan to implement in the
> relation reference widget everything the "value relation widget" does.
>
> Matthias - please correct me if I am wrong.
>
> Nyall/Matthias/Denis: What are your thoughts on the redundant
> functionality in both widgets? Could we merge the two into one widget?
>
> Greetings,
> Andreas
>
> On 2018-04-16 05:14, Nyall Dawson wrote:
>
>> Hi all,
>>
>> North Road are proud to launch our latest QGIS crowd-funding campaign:
>> Drill-down (cascading) forms! This campaign covers extending the
>> functionality present in QGIS "Value Relation Widgets", allowing the
>> implementation of complex, dynamic filters within QGIS attribute
>> forms. The functionality can be used to implement "drill-down" forms
>> within QGIS, where the values available in one field depend on the
>> values of other fields.
>>
>> Full details are available at the campaign page:
>> https://north-road.com/drill-down-cascading-forms/
>>
>> We need your help to make this feature a reality! We need backers, but
>> just as importantly, we need people to spread the word about this
>> campaign so that all interested users and organisations hear about it.
>> Here are some ideas:
>>
>> - spread the campaign page via your social media accounts: Twitter,
>> Linked in, etc
>> - forward a link to the campaign to any relevant professional networks
>> you're part of
>> - publicise the campaign via your local QGIS user group
>> - have a chat to your manager... if this feature will make your work
>> easier, and you've saved money by implementing QGIS within your
>> organisation, consider contributing and let us make your job easier!
>>
>> Stay tuned for more updates and posts exploring this feature as the
>> campaign progresses...
>>
>> Nyall
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>
>
>
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-- 
Matthias Kuhn
matthias at opengis.ch <mailto:matthias at opengis.ch>
+41 (0)76 435 67 63 <tel:+41764356763>
OPENGIS.ch Logo <http://www.opengis.ch>
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