/// <summary>
/// Adds a choice.
/// </summary>
/// <param name="item">The item to add.</param>
/// <returns>A <see cref="ISelectionItem{T}"/> so that multiple calls can be chained.</returns>
public ISelectionItem <T> AddChoice(T item)
{
var node = new ListPromptItem <T>(item);
_tree.Add(node);
return(node);
}
public ISelectionItem <T> AddChild(T item)
{
var node = new ListPromptItem <T>(item, this);
Children.Add(node);
return(node);
}
public ListPromptItem(T data, ListPromptItem <T>?parent = null)
{
Data = data;
Parent = parent;
Children = new List <ListPromptItem <T> >();
Depth = CalculateDepth(parent);
}
private static int CalculateDepth(ListPromptItem <T>?parent)
{
var level = 0;
while (parent != null)
{
level++;
parent = parent.Parent;
}
return(level);
}
public void Add(ListPromptItem <T> node)
{
_roots.Add(node);
}