private IChangeSet <T> Reset(ChangeAwareList <T> original, ChangeAwareList <T> target)
{
var sorted = original.OrderBy(t => t, _comparer).ToList();
target.Clear();
target.AddRange(sorted);
return(target.CaptureChanges());
}
private IChangeSet <T> ChangeComparer(ChangeAwareList <T> target, IComparer <T> comparer)
{
_comparer = comparer;
var sorted = target.OrderBy(t => t, _comparer).ToList();
target.Clear();
target.AddRange(sorted);
return(target.CaptureChanges());
}
private IChangeSet <T> Reorder(ChangeAwareList <T> target)
{
int index = -1;
var sorted = target.OrderBy(t => t, _comparer).ToList();
foreach (var item in sorted)
{
index++;
var existing = target[index];
//if item is in the same place,
if (ReferenceEquals(item, existing))
{
continue;
}
//Cannot use binary search as Resort is implicit of a mutable change
var old = target.IndexOf(item);
target.Move(old, index);
}
return(target.CaptureChanges());
}
