There's a core issue related to allowing an exposed taxonomy filter to use terms from multiple vocabularies ( https://www.drupal.org/project/drupal/issues/2784233 β¨ Allow multiple vocabularies in the taxonomy filter Needs work ). This issue is currently set at RTBC.
When the RTBC patch is applied (#193), the core default exposed widget (select list) works with multiple vocabularies. However, the better_exposed_filter widgets do not work when a taxonomy filter is using multiple vocabularies.
1. Apply the patch from the referenced issue.
2. Configure an exposed taxonomy term filter to show terms from multiple vocabularies.
3. Configure the exposed filter to use the Radio/Checkboxes plugin.
4. Note that when rendered, the exposed filter uses the index of the radio element as the value instead of using the term's target id as the value.
I think that the bef community needs to keep an eye on the referenced issue, maybe with the goal of quickly adding support once that issue is marked fixed.
Come up with a plan.
TBD
TBD
TBD
Needs work
7.0
Code
The change is currently missing an automated test that fails when run with the original code, and succeeds when the bug has been fixed.
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