Hello, I'm trying to use nested galleries to create an expandable menu. Each parent menu has an "expand" button with the following OnSelect formula:
CountRows(Filter(Expanded, Value=ThisItem.Object_Identifier)) > 0,
Remove(Expanded, First(Filter(Expanded, Value=ThisItem.Object_Identifier))),
Object_Identifier is a unique identifier for each record in the data source. The expand button adds the current item's identifier to a collection called "Expand".
The child gallery's height property has the following formula:
CountRows(Filter(Expanded, ????)) > 0,
CountRows(Filter('Child Data source', ThisItem.Object_Identifier in ProcessIsUsedToDeliverTheseServices))*32,
What I'm trying to do here is: if the parent's item's identifier is in the collection, the height of the child gallery is some positive number. Otherwise its 0 (minimized). However, as you can see I can't figure out a way to reference parent item data, hence the ????. There's no Parent.ThisItem. Is there another way I can do this? Thanks.
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