public void EndView()
{
if (this.m_ViewStates.Count < 1)
{
Debug.Assert(this.m_CurrentContainer == this.topLevelVisualContainer);
if (this.verbose)
{
Debug.LogError("Unexpected call to EndView()");
}
}
else
{
if (this.m_CurrentContainer.childrenCount > this.m_CurrentViewState.childIndex)
{
this.RecycleDescendants(this.m_CurrentContainer, this.m_CurrentViewState.childIndex);
}
Debug.Assert(this.m_CurrentContainer.parent != null);
if (this.m_CurrentContainer is IMScrollView)
{
VisualContainer parent = this.m_CurrentContainer.parent;
IMScrollView iMScrollView = parent as IMScrollView;
while (parent != null && iMScrollView == null)
{
parent = parent.parent;
iMScrollView = (parent as IMScrollView);
}
this.currentScrollView = iMScrollView;
}
this.m_CurrentViewState = this.m_ViewStates.Pop();
this.m_CurrentContainer = this.m_CurrentContainer.parent;
}
}
public void BeginGUI(VisualContainer container)
{
this.topLevelVisualContainer = container;
this.m_CurrentContainer = this.topLevelVisualContainer;
this.m_CurrentViewState = new VisualTreeBuilder.ViewState(0);
this.m_ViewStates.Clear();
}
public VisualTreeBuilder(Recycler r)
{
this.m_ElementPool = r;
this.m_ViewStates = new Stack <VisualTreeBuilder.ViewState>();
this.m_CurrentContainer = null;
this.m_CurrentViewState = new VisualTreeBuilder.ViewState(0);
this.topLevelVisualContainer = null;
this.verbose = false;
this.currentScrollView = null;
}
public void NextView <TType>(out TType view) where TType : IMContainer, new()
{
this.NextElement <TType>(out view);
this.m_CurrentContainer = view;
this.m_ViewStates.Push(this.m_CurrentViewState);
this.m_CurrentViewState = new VisualTreeBuilder.ViewState(0);
IMScrollView iMScrollView = this.m_CurrentContainer as IMScrollView;
if (iMScrollView != null)
{
this.currentScrollView = iMScrollView;
}
}
public void NextElement <TType>(out TType widget) where TType : VisualElement, IOnGUIHandler, new()
{
Type typeFromHandle = typeof(TType);
widget = (TType)((object)null);
if (this.m_CurrentViewState.childIndex >= this.m_CurrentContainer.childrenCount)
{
TType arg_51_1;
if ((arg_51_1 = this.m_ElementPool.TryReuse <TType>()) == null)
{
arg_51_1 = Activator.CreateInstance <TType>();
}
widget = arg_51_1;
this.m_CurrentContainer.AddChild(widget);
}
else
{
VisualElement childAt = this.m_CurrentContainer.GetChildAt(this.m_CurrentViewState.childIndex);
if (childAt.GetType() == typeFromHandle)
{
widget = (childAt as TType);
}
else
{
IOnGUIHandler onGUIHandler = childAt as IOnGUIHandler;
if (onGUIHandler != null && onGUIHandler.id == 0 && !(onGUIHandler is VisualContainer))
{
this.m_CurrentContainer.RemoveChildAt(this.m_CurrentViewState.childIndex);
this.m_ElementPool.Trash(onGUIHandler);
this.NextElement <TType>(out widget);
return;
}
TType arg_11E_1;
if ((arg_11E_1 = this.m_ElementPool.TryReuse <TType>()) == null)
{
arg_11E_1 = Activator.CreateInstance <TType>();
}
widget = arg_11E_1;
this.m_CurrentContainer.InsertChild(this.m_CurrentViewState.childIndex, widget);
}
}
Debug.Assert(widget != null);
this.m_CurrentViewState = new VisualTreeBuilder.ViewState(this.m_CurrentViewState.childIndex + 1);
}
