public EntityHierarchyTree(Session session, TreeViewState state) : base(state)
{
useScrollView = true;
m_Session = session;
m_EntityManager = session.GetManager <IWorldManager>().EntityManager;
m_CachedSceneItems = new Dictionary <SceneGuid, TreeViewItem>();
m_SceneManager = m_Session.GetManager <IEditorSceneManagerInternal>();
m_ComponentCache = m_Session.GetManager <UnityComponentCacheManager>();
m_HierarchySearchFilter = FilterUtility.CreateHierarchyFilter(m_EntityManager, string.Empty);
foldoutOverride = HandleFoldout;
m_DroppedOnMethod = new Dictionary <System.Type, DropOnItemAction>
{
{ typeof(SceneItem), DropUponSceneItem },
{ typeof(EntityItem), DropUponEntityItem },
};
m_DroppedBetweenMethod = new Dictionary <System.Type, DropBetweenAction>
{
{ typeof(HierarchyItem), DropBetweenSceneItems },
{ typeof(SceneItem), DropBetweenRootEntities },
{ typeof(EntityItem), DropBetweenChildrenEntities },
};
IdsToExpand = new List <int>();
Reload();
}