public void Redo()
{
if (First != null)
{
if (_currentUndoLink.Next != null)
{
_currentUndoLink = _currentUndoLink.Next;
}
}
}
//
// Huiswerk methodes
//
public void Undo()
{
if (_currentUndoLink != null || _currentUndoLink.Previous != null)
{
_currentUndoLink = null;
}
else
{
_currentUndoLink = _currentUndoLink.Previous;
}
}
private void AddOperation(Operation operation, NAW naw)
{
UndoLink newLink = new UndoLink();
newLink.Operation = operation;
newLink.Naw = naw;
if (_first == null)
{
_first = newLink;
}
else
{
_currentUndoLink.Next = newLink;
newLink.Previous = _currentUndoLink;
}
_currentUndoLink = newLink;
}
public UndoableNawArray(int size)
: base(size)
{
_first = null;
_currentUndoLink = null;
}
