[Paraview] Updating DataArraySelection Problem

[Brian C. Panneton (CONTR)]

I forgot to include the tarball.

Brian C. Panneton (CONTR) wrote:
> While working on my custom panel, I thought I had everything correct 
> to allow a single QComboBox to populate a checkable QListWidget based 
> on what was selected. However, now I am running into an issue where 
> items added to the DataArraySelection do not get removed when I had 
> thought they would. I have an example reader plugin which shows the 
> problem. It is based off of the CSVImageReader, just so I can 
> implement the panel.
>
> Once you load a file, the QComboBox and QListWidget get populated like 
> they should. Then if you press accept, you can see that the 
> RequestData is run with the correct information. Then if you switch to 
> the second option in the QComboBox, you can see that the QListWidget 
> gets repopulated correctly. Then if you hit apply again, it seems to 
> prepend the new options to the DataArraySelection when it should 
> delete the current list and then add the new items. At this point if 
> you check any box, updateSelection segfaults since there are more 
> items in the DataArraySelection then on the GUI.
>
> In my SetSource function, you can tell that there are only two items 
> in the DataArraySelection. SetSource is the only place that 
> adds/removes from the DataArraySelection, so I'm stumped as to why the 
> previous items are still there.
>
> I included a tarball of the test. It contains a csvim file to load.
> Quick Steps: Load Plugin, Load csvim file, Press Accept, Switch 
> QComboBox to 'Value 2', Press Accept, Click first checkbox = segfault.
>
> Any help would be appreciated.
> Thanks,
> Brian Panneton
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