public static void RemoveNode(INode NodeToRemove, TreeGraph Tree)
{
if (TreeGraph.GetNode(NodeToRemove.Identifier, NodeToRemove.Value, Tree) != null)
{
NodeToRemove.ParentNode.NodeChildren.Remove(NodeToRemove);
}
}
public static void RemoveNode(string Identifer, string Value, TreeGraph Tree)
{
RemoveNode(TreeGraph.GetNode(Identifer, Value, Tree), Tree);
}
private static void DisplayMenu(TreeGraph Tree, string TreeNumber)
{
string Option = string.Empty;
while (Option.ToUpper() != "RETURN")
{
List <string> Output = new List <string>();
Console.Clear();
Console.WriteLine("Tree Systems v2.1");
Console.WriteLine("============================================================");
Console.WriteLine(TreeNumber);
TreeGraph.DisplayTree(Tree, ref Output);
Console.WriteLine("============================================================");
Console.WriteLine("\n\n");
Console.WriteLine("1) Add Node");
Console.WriteLine("2) Remove Node");
Console.WriteLine("3) Move Node");
Console.WriteLine("4) Write Tree");
Console.WriteLine("Type \"RETURN\" to go back to Tree Menu");
//
Console.WriteLine();
Console.Write("Input:");
Option = Console.ReadLine().ToUpper();
switch (Option)
{
case "1":
{
Console.WriteLine("New Node's Identifier:");
string Identifier = Console.ReadLine();
while (TreeGraph.IdentifierCheck(Identifier, Tree.RootNode))
{
Console.WriteLine("Identifier Taken, Use a different one");
Console.WriteLine("Node Identifier:");
Identifier = Console.ReadLine();
}
Console.WriteLine("New Node's Value:");
string Value = Console.ReadLine();
//
Console.WriteLine("What's the Parent's Identifier?");
string ParentIdentifer = Console.ReadLine();
Console.WriteLine("What's the Parent's value?");
string ParentValue = Console.ReadLine();
if (ParentIdentifer == "Root" && ParentValue == "Root")
{
TreeGraph.AddNode(new Node(Value, 0, Identifier), TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree), Tree);
}
else if (TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree) != null)
{
TreeGraph.AddNode(new Node(Value, TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree).Depth + 1, Identifier), TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree), Tree);
}
else
{
Console.WriteLine("Node does not exist!");
}
break;
}
case "2":
{
Console.WriteLine("What's the Identifier of the node to remove?");
string NodeId = Console.ReadLine();
Console.WriteLine("What's the Value of the node to remove?");
string Value = Console.ReadLine();
if (NodeId == "Root" && Value == "Root")
{
Tree.RootNode.NodeChildren.Clear();
}
else
{
TreeGraph.RemoveNode(NodeId, Value, Tree);
}
break;
}
case "3":
{
Console.WriteLine("Child's Identifier:");
string Identifier = Console.ReadLine();
Console.WriteLine("Child's Value:");
string Value = Console.ReadLine();
//
Console.WriteLine("New Parent's Identifier?");
string ParentIdentifer = Console.ReadLine();
Console.WriteLine("New Parent's value?");
string ParentValue = Console.ReadLine();
if (Identifier == ParentIdentifer && Value == ParentValue)
{
Console.WriteLine("No operations done since child is equal to parent!");
}
else if (Identifier == "Root" && Value == "Root")
{
Console.WriteLine("You cannot move the Tree's root node!");
}
else if (TreeGraph.GetNode(Identifier, Value, Tree) != null &&
TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree) != null)
{
Node.ChangeParentNode(TreeGraph.GetNode(Identifier, Value, Tree), TreeGraph.GetNode(ParentIdentifer, ParentValue, Tree));
}
break;
}
case "4":
{
Console.WriteLine(AppDomain.CurrentDomain.BaseDirectory + TreeNumber + ".txt");
TreeGraph.WriteOutlineFile(TreeNumber, Output.ToArray <string>());
break;
}
case "RETURN":
{
Option = "RETURN";
break;
}
default:
{
Console.WriteLine("Invalid Input! Please type the number correctly");
break;
}
}
Console.ReadLine();
}
}