Processes the user select of item with id.
userSelect(id, event, isMouse)
id string, id of the item
event keyboard or mouse event, holds state of modificarors keys
isMouse boolean, indicates if event come from mouse
Returns undefined.

Description

Processes the user select of item with id: updates selection, input focus, sctoll item into view.
If you have listview defined in the following way: You can get an item: