internal void ActivateExistingNode(ViewGroupNode node)
{
if (GetActiveView() != node.Value)
{
_viewGroupCollection.Remove(node.List);
_viewGroupCollection.AddLast(node.List);
}
}
private void EnsuresViewHasParentAndMatch(ViewGroupNode node, string expectedParentViewInstanceKey)
{
var expectedParentView = new View(expectedParentViewInstanceKey);
if (node.Previous == null || (node.Previous != null && node.Previous.Value != expectedParentView))
{
throw new OnlyNewViewInstanceCanBeStackedException(node.Value.ViewInstanceKey, expectedParentViewInstanceKey);
}
}
public ViewGroupNode Push(ViewGroupNode newNode)
{
if (_internalStack.Count > 0)
{
var previousNode = _internalStack.Peek();
newNode.Previous = previousNode;
}
newNode.List = this;
_internalStack.Push(newNode);
return(newNode);
}
internal bool TryFindViewNode(string viewInstanceKey, out ViewGroupNode node)
{
var viewInfo = new View(viewInstanceKey);
var q = (from viewGroup in _viewGroupCollection
from view in viewGroup
where view == viewInfo
select viewGroup.Find(view)).ToList();
node = q.FirstOrDefault();
return(q.Any());
}
internal void ActivateNewNode(ViewGroupNode newNode, ViewGroup ownerGroup = null)
{
if (ownerGroup != null)
{
ownerGroup.Push(newNode);
}
else
{
var newStack = new ViewGroup();
newStack.Push(newNode);
_viewGroupCollection.AddLast(newStack);
}
if (!newNode.Value.IsMessageBox)
{
_viewCollection.Add(newNode.Value);
}
}
public ViewGroupNode Push(View view)
{
var newNode = new ViewGroupNode(this, view);
return(Push(newNode));
}