In the new grouping interface, if you click "apply" but you haven't e.g. selected an annotation, nothing happens, and it's not immediately clear why. Users might think the feature is broken and give up.
Instead, it would be nice if an error message appeared that describes the problem ("Please select an annotation.") and the focus is set to the applicable field.
In the new grouping interface, if you click "apply" but you haven't e.g. selected an annotation, nothing happens, and it's not immediately clear why. Users might think the feature is broken and give up.
Instead, it would be nice if an error message appeared that describes the problem ("Please select an annotation.") and the focus is set to the applicable field.