I'm having some difficulties to do a custom rendering for expanded choices. I'm using an entity type wich is ordering entities by a relation table, and for each different relation I have to do a group of chexkboxes, with another one at the top allowing to select all or none of the group.

My issue is that I can't do the correlation between the form views and choice views. So I think it's really complicated to do custom rendering on expanded choices.

I'm suggesting to pass the ChoiceView as a var for each choice subForm so that when iterating on the choice formview we can get access to the choice view data, giving more information to be able to render custom stuffs (when the original data is an object).