Repeater: show/hide field in FieldsetPage in addiction of repeater elements depth

[SebastianP]

Hi, 

I have a repeater which contains some text fields and one FieldsetPage field with own fields. In this FieldsetPage field I want so show/hide one of the fields in addiction of the depth of the parent repeater element. I have tried to set the "show only if" property to "parent.depth=1" and "parent.parent.depth=1", unfortunately without success. 
Is there the possibility to do this? Thank you for any hint or suggestion!

Regards
Sebastian

[dragan]

Did you try https://processwire.com/api/ref/page/num-parents/ ?

edit: Actually, no. I was confused - the above seems to work with Matrix Repeaters, for regular repeaters depth should work.

Edited July 27, 2019 by dragan
clarification

[dragan]

I don't know if this helps, but in a simple test setup I got this to work: In the field settings "show only if..." > show only if custom PHP returns true:

$rep = $page->textblocks;
$c = $rep->count() -1;
$last = $rep->$c;
if($last->depth > 2) {
    return true;
}

Basically, I check the number of entries in a repeater called textblocks, then get the last (deepest) one, and check if depth is bigger than 3 (2, since it's zero-based).