public void Append(Window value)
{
_history.Remove(value.Id);
_history.AddFirst(value.Id);
if (_history.Count > MaxSize)
{
_history.RemoveLast();
}
}
public GraphItemModel Previous()
{
if (!History.Any())
{
throw new InvalidOperationException("ViewHistory has not any history.");
}
GraphItemModel n = Future.First();
Future.RemoveFirst();
History.AddFirst(n);
return(n);
}
private XElement RenderHistory()
{
var title = new XElement("p", new XElement("code", new XElement("u", "ʜɪsᴛᴏʀʏ")));
if (History == null || !History.Elements().Any())
{
return(PageDocument.BuildBody(
title,
BuildNotAvailable()));
}
History.Elements().First().Remove();
History.AddFirst(title);
return(History);
}
public void Add(GraphItemModel node)
{
Future.Clear();
History.AddFirst(node);
}