Allow filtering by event type in eventlisting Joomla page

[webmaster-cses-org-uk]

This simple change allows an event page to have a filter on event type, which is already provisioned for in CRM_Event_Page_List.

This has proved very useful in our use case.

Tested and working on our CiviCRM installation for over a year now.

[mlutfy]

Thanks @webmaster-cses-org-uk ! I'm not too familiar with Joomla, and hopefully other Joomla folks can chime in, but could you explain a bit what the change does? Is there any change in existing functionality?

[webmaster-cses-org-uk]

Hi @mlutfy yes of course, apologies. This change adds a field to the Joomla configuration page when setting up the menu item, as shown in the screenshot below. If populated, Joomla automatically adds the "type" field to the URL, which is processed in CRM_Event_Page_List::run().

Ideally this could be loaded with a dropdown populated with the event type pseudoconstant, but is a quick way to achieve this functionality to begin with.

There is no change to existing functionality: if this field is left empty, behaviour is as currently i.e. no filtering.

Likewise, there is no need to change anything in existing installations: Joomla only updates the menu URL when the form is submitted (the fields specified in the XML are only used to build the URL when the menu item is saved, and are not used 'live' in any way).

Hope that helps, let me know if you need anything else.

[thoni56]

This is an interesting PR. I would like to see it merged. Possibly with the dropdown @webmaster-cses-org-uk suggested but I don't know how complicated it is to implement.