[Qgis-user] qgsRelationReferenceWidget
Matthias Kuhn
matthias at opengis.ch
Tue Sep 20 04:26:27 PDT 2016
Hi Tyler,
The message is not related to virtual fields.
Can you open an issue report and specify exactly how to reproduce the issue?
Thank you
Matthias
On 09/20/2016 01:13 PM, Tyler Veinot wrote:
> I don't know what I am doing wrong here, I set this up multiple times
> using every different relationship I have. I even rebuilt the design
> using simpler tables. The drop down doesn't populate and when I try to
> use the green "plus" button all I get is a mini dump and a crash. The
> log file says in the exception "The thread tried to read from or write
> to a virtual address for which it does not have the appropriate access".
> I do have a virtual field but I am not writing to it, it is just there
> to display the table data in a more appealing way, and I am not writing
> or using it in the relationship so I cannot see it being an issue. I can
> also write data from within QGIS directly to the tables so I must have
> permission.
> Any thoughts?
> Tyler
>
> On Fri, Sep 16, 2016 at 7:44 AM, Tyler Veinot <tylerkveinot at gmail.com
> <mailto:tylerkveinot at gmail.com>> wrote:
>
> Andrew;
> Well that was simple, thank you. I didn't even think to look there;
> I was trying to add a standard push button and associate it with save.
> Now I just have to solve everything else.
> Thanks again.
> Tyler
>
> On Thu, Sep 15, 2016 at 4:22 PM, Andrew <amcaninch at gmail.com
> <mailto:amcaninch at gmail.com>> wrote:
>
> Regarding your second question, in QTDesigner you can change the
> default buttonBox properties to include a "Save" or "Apply" button.
>
>
> On Thu, Sep 15, 2016 at 8:17 AM, Tyler Veinot
> <tylerkveinot at gmail.com <mailto:tylerkveinot at gmail.com>> wrote:
>
> Not having much luck with this, I managed to get the
> qgsRelationReferenceWidget to show me a list of addresses
> but I cannot get it to write the wo_id and unique_id to my
> table.
> On a different note, is there an ability to create a "save"?
> the "ok" button closes the form completely. I just want to
> "save" my work order to write its values to the wo_table and
> continue editing.
> Tyler
>
> On Tue, Sep 13, 2016 at 9:35 AM, Tyler Veinot
> <tylerkveinot at gmail.com <mailto:tylerkveinot at gmail.com>> wrote:
>
> Matthias;
> Ooop's I forgot to add that I was building the form in
> Qt Designer and not from within QGIS, although with this
> information is really good and is showing me things I
> didn't quite understand before. I am a very visual
> person I find it hard to understand things without
> seeing it in a diagram or some other example. Took me
> forever to figure out dog gears and differential gears
> until I tore apart my first bicycle and rear end; as
> soon as I seen it I got it.
> This is my relationship defined in QGIS thus far....
>
> When I add an address to the work order I need to write
> the wo_id of my work order and my unique_id of my
> address to my jtbl_cwo table. So when I, or someone,
> opens a work order it will show them a list of address
> associated to that one work order. Also need to do the
> same thing with primary assets, so the form will look
> something like this in QGIS;
>
> Of course the unique_id will be referencing a value
> from the civic_points "address" but that is that I am
> trying to accomplish. I did it in LibreOffice and Access
> but I would like to consolidate it all into one database
> with one interface, i.e. QGIS. That way I can edit
> features, add assets, and do most of my daily tasks in
> one application.
> Is there an example of this being done in QGIS anywhere?
> Tyler
>
>
>
> On Tue, Sep 13, 2016 at 8:37 AM, Tyler Veinot
> <tylerkveinot at gmail.com <mailto:tylerkveinot at gmail.com>>
> wrote:
>
> Matthias;
> Thanks, I don't know what I would do without you!
> Coding isn't normally an issue but that tutorial
> didn't quite explain where to put the coding. When I
> opened the UI file in IDLE it looked like XML, and
> there were no other files associated with the form.
> I also opened the "see code" option and it was the
> same looked like XML; it might have been C++ but I
> have no training or experience with C++ so I
> wouldn't know if it looked similar to XML from the
> "untrained eye" point of view.
> Going to be doing some testing on the versioning bit
> here this week, hope to have something a little more
> concrete to say about it soon.
> Tyler
>
> On Tue, Sep 13, 2016 at 2:58 AM, Matthias Kuhn
> <matthias at opengis.ch <mailto:matthias at opengis.ch>>
> wrote:
>
> Hi Tyler,
>
> Here is the blog post I wrote for this feature:
>
> http://blog.vitu.ch/10112013-1201/qgis-relations
> <http://blog.vitu.ch/10112013-1201/qgis-relations>
>
> Just configuration, no coding, I hope that helps.
>
> Cheers
> Matthias
>
>
> On 12/09/16 22:56, Tyler Veinot wrote:
>> All;
>> Trying to make a form for QGIS that has a form
>> within a form so that I can link and display
>> entries from another table similar to this
>> tuorial;
>> https://medspx.fr/blog/Qgis/better_qgis_forms_part_three/
>> <https://medspx.fr/blog/Qgis/better_qgis_forms_part_three/>
>> I think I need to use
>> qgsValueRelationRefernceWidget but I cannot
>> find any tutorials on it.
>> Thanks;
>> Tyler
>>
>>
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