Hi Andreas On 10/02/2015 09:27 AM, Andreas Neumann wrote: > Hi Matthias, > > I was also thinking about that - but would it work also with normal > value relation widgets instead of relation reference widgets? They should probably be consolidated at one point in order not to develop things like this twice.
> > The option to filter value relation lists, depending on the selection > of other value relation widgets is probably a quite common request. > Would be cool if this could be supported in QGIS core. > > Andreas > > On 02.10.2015 09:24, Matthias Kuhn wrote: >> Hi Luca >> >> Would this core functionality of QGIS be an option for you? >> >> https://www.qgis.org/en/site/forusers/visualchangelog210/index.html#feature-filter-chaining-for-relation-reference-widget >> >> If you are still required to use python in your forms: are you using >> global variables? They can be an issue for embedded forms. >> >> Cheers, >> Matthias >> >> On 10/02/2015 09:09 AM, Luca Lanteri wrote: >>> Sadly, after further test I discover that the crashes remain, so I >>> think it is a qgis bug and not a problem in my code. >>> The problem happens when I put my custom form into a subform widget >>> (QgsRelationEditorWidget). If I add a new record in the subform and >>> I move to another record using the left column QGIS crashes. It >>> seems to be a more general problem because the crash appears also >>> when I add some simple control that modify the object in the form. >>> >>> I can open a ticket and add some test data. >>> If it is a minor bug and it could be resolved easily I really offer >>> a pizza and a beer to resolve it. >>> >>> All the best >>> Luca >>> >>> >>> 2015-10-01 23:53 GMT+02:00 Luca Lanteri <mesca...@gmail.com >>> <mailto:mesca...@gmail.com>>: >>> >>> Hi, >>> >>> now I'm already using the python logic but my code is terrible >>> and I have a lot of crash problem. >>> Now that I using your example all is easier and seem to worsk fine. >>> >>> I owe you one beer. >>> Many many tanks ! >>> >>> Luca >>> >>> >>> 2015-10-01 22:23 GMT+02:00 Blumentrath, Stefan >>> <stefan.blumentr...@nina.no>: >>> >>> Hi Luca, >>> >>> >>> >>> Sounds like a case for Python logic! >>> >>> General principles are explained here: >>> >>> >>> http://nathanw.net/2011/09/05/qgis-tips-custom-feature-forms-with-python-logic/ >>> >>> >>> >>> Also nice, and probably exactly what you are looking for: >>> >>> http://medspx.fr/blog/Qgis/cascade_forms/ >>> >>> >>> >>> Cheers >>> >>> Stefan >>> >>> >>> >>> *From:*qgis-user-boun...@lists.osgeo.org >>> <mailto:qgis-user-boun...@lists.osgeo.org> >>> [mailto:qgis-user-boun...@lists.osgeo.org >>> <mailto:qgis-user-boun...@lists.osgeo.org>] *On Behalf Of >>> *Luca Lanteri >>> *Sent:* 1. oktober 2015 22:07 >>> *To:* qgis-user <Qgis-user@lists.osgeo.org> >>> *Subject:* [Qgis-user] QGIS - value relation widget >>> >>> >>> >>> Hi to all, >>> >>> I need to build a form when the value of a combo are >>> filtered basing on the value of anoter combobox. >>> I have a first combo where I choose the region and a second >>> with the municipalities. >>> I need that the second combo shows only the municipalities >>> of the choosed region. >>> I tried to use use the widget "relationship value" with the >>> a filter like classe_munic = attribute($currentfeature, >>> 'classe_munic') without any success. >>> >>> Has anyone ever done something similar? >>> Thank in advance >>> >>> >>> Luca >>> >>> >>> >>> >>> >>> _______________________________________________ >>> Qgis-user mailing list >>> Qgis-user@lists.osgeo.org >>> http://lists.osgeo.org/mailman/listinfo/qgis-user >> >> >> >> _______________________________________________ >> Qgis-user mailing list >> Qgis-user@lists.osgeo.org >> http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user
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