private void ToggleDatePicker(NSIndexPath target)
{
var shouldAttach = true;
var targetBeforeOffset = target;
TableView.BeginUpdates();
// Do we already have a date picker being
// displayed? If so, we need to get rid of it.
if (null != _datePicker)
{
// We do have a date picker displayed! If it's attached
// to another cell we'll detach it first, but we must
// remember to re-attach ("move") it to the new target.
// Otherwise we'll simply turn it off.
shouldAttach = false == _datePicker.IsAttachedTo(target);
// We'll soon detach the date picker from the table,
// which can cause our current target path pointing
// to somewhere else after committing the changes.
// So we'll "convert" it to its original value, as
// if the date picker didn't exist.
targetBeforeOffset = _datePicker.IndexPathBeforeOffset(target);
_datePicker.Detach();
_datePicker = null;
}
if (shouldAttach)
{
var datePickerCell = CellTemplate.ConstructDatePickerCell(TableView);
var targetField = GetField(targetBeforeOffset);
_datePicker = DetailDatePickerCell.Attachment.Attach(TableView, targetBeforeOffset, targetField, datePickerCell);
}
TableView.EndUpdates();
}
