public void NavigateTo(object item)
{
var index = -1;
if (item != null && item.IsNot <SeatBox>())
{
var seatId = item.ToString();
if (_seatBoxes.ContainsKey(seatId))
{
var target = (SeatBox)_seatBoxes[seatId];
if (target.Seat.Area != SelectedArea)
{
FilterSeats(target.Seat.Area);
SelectedArea = target.Seat.Area;
}
index = BindableSeats.IndexOf(target);
}
}
if (index == -1)
{
return;
}
CurrentIndex = index;
SelectedSeat = BindableSeats[index] as SeatBox;
}
private Action RetainCurrentSelectedSeat()
{
var selectedIndex = BindableSeats.IndexOf(SelectedSeat);
return(() => { SelectedSeat = selectedIndex == -1 ? null : _bindableSeats[selectedIndex] as SeatBox; });
}