Using ABAP RAP, I have a Fiori Elements application that has a checkbox bound to a boolean value in my root entity. When the checkbox is selected, I need an additional facet to become visible that shows additional details that can be maintained.
I know in the UI annotations I can bind the facet visibility to a projected field, like so:
hidden: #( CheckboxIsNotSelected )
However, the value that I need is always has the opposite value of the checkbox. The value needs to be true when the checkbox is false, and vice versa.
I know I can:
- Create a virtual field in my projection view
- Implement a class to populate the virtual field based on my checkbox value
- Bind the UI facet hidden annotation to the virtual field
- Add side effects to the Fiori app (soon to be behavior definition) to update the virtual field anytime the checkbox value changes
But this seems like such a crazy workaround for what I assume to be a pretty basic and common requirement. Is there an easier way to bind the hidden annotation to the 'not' of a field?
Bluesky
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