I would like to see an option to select with kind of states should be filtered as with the "show/hide" set of options. I would do the icons if needed but most important, is this possible? Won't be an overhead for the server?
I was thinking of no filter on start and if you click one icon you show only those and filter all the others, after that each one you click is swapped between states.
That's an old request, iirc. The original suggestion was using an array of checkboxes and a "Filter" button, tho, but the idea - and backend implementation - is the same.