public void AddToHistory(NodeHistoryElement nodeHistoryElem)
{
//put the last focal node into the history before setting the new one
if (_history.Count == 0)
{
_history.Push(nodeHistoryElem);
}
else if (_history.Peek().Node.Id != nodeHistoryElem.Node.Id)
{
_history.Push(nodeHistoryElem);
}
}
public void AddToHistory(NodeHistoryElement nodeHistoryElem)
{
//put the last focal node into the history before setting the new one
if (_history.Count == 0)
{
_history.Push(nodeHistoryElem);
}
else if (_history.Peek().Node.Id != nodeHistoryElem.Node.Id)
{
_history.Push(nodeHistoryElem);
}
}
private void SetHistory(string name, INodeProxy node)
{
if (node != null)
{
if (name == null)
{
name = "Home";
}
NodeHistoryElement item = new NodeHistoryElement()
{
Name = name, Node = node
};
_navHistory.AddToHistory(item);
}
}
public Guid GoBack()
{
Guid previousNodeId = Guid.Empty;
if (HasHistory)
{
NodeHistoryElement nhe = _history.Pop();
if (HasHistory)
{
previousNodeId = _history.Peek().Node.Id;
}
else
{
previousNodeId = nhe.Node.Id;
}
}
return(previousNodeId);
}
private void SetHistory(string name, INodeProxy node)
{
if (node != null)
{
if (name == null)
{
name = "Home";
}
NodeHistoryElement item = new NodeHistoryElement() { Name = name, Node = node };
_navHistory.AddToHistory(item);
}
}
