protected void SelectClicked(
Func <List <MediaCardViewModel> > getSortedItems,
MediaCardViewModel card,
MouseEventArgs e)
{
if (SelectedItems.Contains(card))
{
SelectedItems.Remove(card);
}
else
{
if (e.ShiftKey && _recentlySelected.IsSome)
{
List <MediaCardViewModel> sorted = getSortedItems();
int start = sorted.IndexOf(_recentlySelected.ValueUnsafe());
int finish = sorted.IndexOf(card);
if (start > finish)
{
(start, finish) = (finish, start);
}
for (int i = start; i < finish; i++)
{
SelectedItems.Add(sorted[i]);
}
}
_recentlySelected = card;
SelectedItems.Add(card);
}
}
protected bool IsSelected(MediaCardViewModel card) => SelectedItems.Contains(card);