public BTreeNode Add(int value)
{
if (Head == null)
{
return Head = new BTreeNode() {Value = value};
}
return Head.Add(Head, value);
}
public BTreeNode Find(BTreeNode current, int value)
{
if (current == null) return null;
if (current.Value == value) return current;
if (value < current.Value) return Find(current.Left, value);
return Find(current.Right, value);
}
public void MoveUp()
{
_currentRow--;
if (_currentNode.Parent.Right != null)
{
if (_currentNode.Parent.Right.Value == _currentNode.Value)
{
_currentCol--;
}
}
_currentNode = _currentNode.Parent;
}
public void MoveRight()
{
_currentRow++;
_currentCol++;
_currentNode = _currentNode.Right;
}
public void MoveLeft()
{
_currentRow++;
_currentNode = _currentNode.Left;
}
public BTreeNodeMapper(BTreeNode node)
{
_currentNode = node;
_currentCol = 1;
_currentRow = 1;
}
public BTreeNode Add(BTreeNode current, int value)
{
if (current.Value == value)
{
return current;
}
if (value < current.Value)
{
if (current.Left == null)
{
current.Left = new BTreeNode() {Value = value};
current.Left.Parent = current;
return current.Left;
}
else
{
Add(current.Left, value);
}
}
if (value > current.Value)
{
if (current.Right == null)
{
current.Right = new BTreeNode() { Value = value };
current.Right.Parent = current;
return current.Right;
}
else
{
Add(current.Right, value);
}
}
return null;
}