private void ExitSession()
{
if (null == Session)
{
return;
}
Session.GetManager <IChangeManager>().UnregisterChangeCallback(HandleChanges);
m_AuthoringRoot.style.display = DisplayStyle.None;
m_NonAuthoringRoot.style.display = DisplayStyle.Flex;
m_TreeView?.Dispose();
m_TreeView = null;
}
private void EnterSession()
{
if (null == Session)
{
return;
}
// TODO: Track state
if (null == m_ContentState)
{
m_ContentState = new TreeViewState();
}
m_TreeView = new EntityHierarchyTree(Session, m_ContentState);
m_AuthoringRoot.style.display = DisplayStyle.Flex;
m_NonAuthoringRoot.style.display = DisplayStyle.None;
m_ComponentCache = Session.GetManager <UnityComponentCacheManager>();
Session.GetManager <IChangeManager>().RegisterChangeCallback(HandleChanges);
}