Example #1
0
        public void Add(dynamic _Data)
        {
            //If the Root of the List is not set.
            if (Root.Data == null)
            {
                Root.Data = _Data;
                return;
            }
            else
            {
                Current = Root;
            }

            //traverse through the tree to the relevant point at which the item should be added
            while (true)
            {
                var temp = Traverse(_Data, Current);

                //If it is null, we are at a leaf node and we can stop traversing the tree
                if (temp == null)
                {
                    break;
                }
                Current = temp;
            }

            //Check whether we need to add the node to the left or right of
            if (_Data < Current.Data)
            {
                Current.SetLeft(new node(_Data, Current));
            }
            else
            {
                Current.SetRight(new node(_Data, Current));
            }
        }
Example #2
0
        //print Method functions
        public void Print(node root, int topMargin = 2, int leftMargin = 2)
        {
            if (root == null)
            {
                return;
            }
            int rootTop = Console.CursorTop + topMargin;
            var last    = new List <node>();
            var next    = root;

            for (int level = 0; next != null; level++)
            {
                var item = new node {
                    Data = next.Data.ToString(" 0 ")
                };
                item.SetLeft(next.GetLeft());
                item.SetRight(next.GetRight());
                if (level < last.Count)
                {
                    item.StartPos = last[level].EndPos + 1;
                    last[level]   = item;
                }
                else
                {
                    item.StartPos = leftMargin;
                    last.Add(item);
                }
                if (level > 0)
                {
                    item.SetParent(last[level - 1]);
                    if (next == item.GetParent().GetLeft())
                    {
                        item.GetParent().SetLeft(item);
                        item.EndPos = Math.Max(item.EndPos, item.GetParent().StartPos);
                    }
                    else
                    {
                        item.GetParent().SetRight(item);
                        item.StartPos = Math.Max(item.StartPos, item.GetParent().EndPos);
                    }
                }
                next = next.GetLeft() ?? next.GetRight();
                for (; next == null; item = item.GetParent())
                {
                    Print(item, rootTop + 2 * level);
                    if (--level < 0)
                    {
                        break;
                    }
                    if (item == item.GetParent().GetLeft())
                    {
                        item.GetParent().StartPos = item.EndPos;
                        next = item.GetParent().GetRight();
                    }
                    else
                    {
                        if (item.GetParent().GetLeft() == null)
                        {
                            item.GetParent().EndPos = item.StartPos;
                        }
                        else
                        {
                            item.GetParent().StartPos += (item.StartPos - item.GetParent().EndPos) / 2;
                        }
                    }
                }
            }
            Console.SetCursorPosition(0, rootTop + 2 * last.Count - 1);
        }