/// <summary>
/// Called every frame after update.
/// DropDown entity override this function to close the list if necessary and to remove the selected item panel from self.
/// </summary>
override protected void DoAfterUpdate()
{
// if list currently visible we want to check if we need to close it
if (ListVisible)
{
// check if mouse down and not inside list
var mousePosition = GetMousePos();
if (MouseInput.AnyMouseButtonPressed() && !IsTouching(mousePosition))
{
ListVisible = false;
}
}
// call base do-before-update
base.DoAfterUpdate();
// do we have a selected item?
if (HasSelectedValue)
{
// trigger per-item events, but only if value changed
if (SelectedIndex != _lastSelected)
{
System.Action callback = null;
if (_perItemCallbacks.TryGetValue(_selectList.SelectedValue, out callback))
{
callback.Invoke();
}
}
// if set to not keep selected value, return to original placeholder
if (DontKeepSelection && SelectedIndex != -1)
{
Unselect();
}
}
// store last known index
_lastSelected = SelectedIndex;
}