[QGIS-Developer] QGIS attribute form - changing values with Python of disabled widgets

[Andreas Neumann]

Hi Matthias,

Do you mean disabling them with a Python init code and 
QgsWidget.setEnabled(False) - right?

Just tried it - and it seems to work ;-)

Thanks for the hint!

Andreas

On 2022-11-07 15:46, Matthias Kuhn wrote:

> Hi Andreas,
> 
> How about going the other way around and leaving them as editable in 
> the config and disabling the widget via python instead?
> 
> Matthias
> 
> On Mon, Nov 7, 2022 at 3:42 PM Andreas Neumann via QGIS-Developer 
> <qgis-developer at lists.osgeo.org> wrote:
> 
>> Hi,
>> 
>> I have a QGIS form with a number of widgets that are set to 
>> "disabled". I don't want the user to change these values manually, but 
>> they should be updated by a Python action "on demand". Hence I set the 
>> editable state of these widgets to False.
>> 
>> Now I noticed that while I can change values in the widgets with my 
>> Python action, the values are not stored when the editable state is 
>> set to "False". As soon as I set the editable state to "True", then my 
>> Python action works fine and the values are correctly stored.
>> 
>> I tried with two approaches:
>> 
>> QgsAttributeForm.changeAttribute()
>> 
>> and
>> 
>> QgsWidget.setValue()
>> 
>> Both of these work fine when editable state is enabled, but not, when 
>> they are disabled.
>> 
>> Is there any way to also change attribute values when the editable 
>> state of a widget is set to False?
>> 
>> Thanks,
>> 
>> Andreas _______________________________________________
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> 
> [1]
> 
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Links:
------
[1] 
https://www.opengis.ch/2022/11/03/best-of-swiss-enterprise-app-award-for-qfield/
[2] https://qfield.org/get
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