void Select(EntityHierarchyNodeId id)
{
m_SelectedItem = id;
switch (m_CurrentViewMode)
{
case ViewMode.Full:
{
m_TreeView.Select(id.GetHashCode(), false);
break;
}
case ViewMode.Search:
{
var index = m_ListViewFilteredItems.FindIndex(item => item.NodeId == id);
if (index != -1)
{
m_ListView.ScrollToItem(index);
m_CachedSingleSelectionBuffer[0] = index;
m_ListView.SetSelectionWithoutNotify(m_CachedSingleSelectionBuffer);
}
break;
}
}
}
public static EntityHierarchyItem GetTreeViewItem(ITreeViewItem parent, EntityHierarchyNodeId nodeId, IEntityHierarchy hierarchy)
{
var item = Pool <EntityHierarchyItem> .GetPooled();
item.Initialize(parent, nodeId, hierarchy);
return(item);
}
bool TrySelect(EntityHierarchyNodeId id)
{
if (id == default || !m_Hierarchy.State.Exists(id))
{
if (m_SelectedItem != default)
{
Deselect();
}
return(false);
}
Select(id);
return(true);
}
void OnSelectionChangedByInspector(World world, Entity entity)
{
if (world != m_Hierarchy.World)
{
return;
}
var nodeId = EntityHierarchyNodeId.FromEntity(entity);
if (!m_Hierarchy.Strategy.Exists(nodeId))
{
return;
}
Select(nodeId.GetHashCode());
}
void IEntityHierarchyGroupingStrategy.ApplyEntityChanges(NativeArray <Entity> newEntities, NativeArray <Entity> removedEntities, IEntityHierarchyGroupingContext context)
{
// Remove entities
foreach (var entity in removedEntities)
{
m_State.RegisterRemoveOperation(EntityHierarchyNodeId.FromEntity(entity));
}
// Add new entities
foreach (var entity in newEntities)
{
m_State.RegisterAddEntityOperation(entity, out _);
}
UpdateMissingParentEntities();
MoveEntitiesUnderFoundMissingParents();
}
void OnLocalSelectionChanged(EntityHierarchyItem selectedItem)
{
m_SelectedItem = selectedItem.NodeId;
if (selectedItem.NodeId.Kind == NodeKind.Entity)
{
var entity = selectedItem.NodeId.ToEntity();
if (entity != Entity.Null)
{
var undoGroup = Undo.GetCurrentGroup();
EntitySelectionProxy.SelectEntity(m_Hierarchy.World, entity);
// Collapsing the selection of the entity into the selection of the ListView / TreeView item
Undo.CollapseUndoOperations(undoGroup);
}
}
else
{
// TODO: Deal with non-Entity selections
}
}
void OnGlobalSelectionChanged()
{
if (Selection.activeObject is EntitySelectionProxy selectedProxy && selectedProxy.World == m_Hierarchy.World)
{
TrySelect(EntityHierarchyNodeId.FromEntity(selectedProxy.Entity));
}
void Deselect()
{
m_SelectedItem = default;
m_TreeView.ClearSelection();
m_ListView.ClearSelection();
}
void RenderInvalidNode(EntityHierarchyNodeId nodeId)
{
m_NameLabel.text = $"<UNKNOWN> ({nodeId.ToString()})";
}