/// <summary>
/// Constructor of the tree view.
/// </summary>
public SystemTreeView(string editorWindowInstanceKey)
{
m_SystemTreeView = new TreeView(m_TreeViewRootItems, Constants.ListView.ItemHeight, MakeTreeViewItem, ReleaseTreeViewItem, BindTreeViewItem)
{
viewDataKey = $"{Constants.State.ViewDataKeyPrefix}{typeof(SystemScheduleWindow).FullName}+{editorWindowInstanceKey}",
selectionType = SelectionType.Single,
name = "SystemTreeView",
style = { flexGrow = 1 }
};
m_SystemTreeView.RegisterCallback <GeometryChangedEvent>(evt =>
{
if (m_ScrollToItemId == -1)
{
return;
}
var tempId = m_ScrollToItemId;
m_ScrollToItemId = -1;
if (m_SystemTreeView.FindItem(tempId) != null)
{
m_SystemTreeView.ScrollToItem(tempId);
}
});
m_SystemTreeView.onSelectionChange += OnSelectionChanged;
Add(m_SystemTreeView);
m_SystemDetailsVisualElement = new SystemDetailsVisualElement();
m_SearchEmptyMessage = new CenteredMessageElement {
Title = k_NoSystemsFoundTitle
};
m_SearchEmptyMessage.Hide();
Add(m_SearchEmptyMessage);
// Create list view for search results.
m_SystemListView = new ListView(m_ListViewFilteredItems, Constants.ListView.ItemHeight, MakeListViewItem, ReleaseListViewItem, BindListViewItem)
{
selectionType = SelectionType.Single,
name = "SystemListView",
style = { flexGrow = 1 }
};
m_SystemListView.RegisterCallback <PointerDownEvent>(evt =>
{
if (evt.button == (int)MouseButton.LeftMouse)
{
Selection.activeObject = null;
}
});
#if UNITY_2020_1_OR_NEWER
m_SystemListView.onSelectionChange += OnSelectionChanged;
#else
m_SystemListView.onSelectionChanged += OnSelectionChanged;
#endif
Add(m_SystemListView);
}
public EntityHierarchy(EntityHierarchyFoldingState entityHierarchyFoldingState)
{
m_EntityHierarchyFoldingState = entityHierarchyFoldingState;
style.flexGrow = 1.0f;
m_ViewContainer = new VisualElement();
m_ViewContainer.style.flexGrow = 1.0f;
m_ViewContainer.RegisterCallback <PointerDownEvent>(evt =>
{
if (evt.button == (int)MouseButton.LeftMouse)
{
Selection.activeObject = null;
}
});
m_TreeView = new TreeView(m_TreeViewRootItems, Constants.ListView.ItemHeight, MakeTreeViewItem, ReleaseTreeViewItem, BindTreeViewItem)
{
selectionType = SelectionType.Single,
name = Constants.EntityHierarchy.FullViewName,
style = { flexGrow = 1 },
};
m_TreeView.onSelectionChange += OnLocalSelectionChanged;
m_TreeView.ItemExpandedStateChanging += (item, isExpanding) =>
{
var entityHierarchyItem = (EntityHierarchyItem)item;
if (entityHierarchyItem.NodeId.Kind == NodeKind.Scene || entityHierarchyItem.NodeId.Kind == NodeKind.SubScene)
{
m_EntityHierarchyFoldingState.OnFoldingStateChanged(entityHierarchyItem.NodeId, isExpanding);
}
};
m_TreeView.Hide();
m_ViewContainer.Add(m_TreeView);
m_ListView = new ListView(m_ListViewFilteredItems, Constants.ListView.ItemHeight, MakeListViewItem, ReleaseListViewItem, BindListViewItem)
{
selectionType = SelectionType.Single,
name = Constants.EntityHierarchy.SearchViewName,
style = { flexGrow = 1 }
};
m_ListView.Hide();
m_ViewContainer.Add(m_ListView);
m_SearchEmptyMessage = new CenteredMessageElement();
m_SearchEmptyMessage.Hide();
Add(m_SearchEmptyMessage);
#if UNITY_2020_1_OR_NEWER
m_ListView.onSelectionChange += OnLocalSelectionChanged;
#else
m_ListView.onSelectionChanged += OnSelectionChanged;
#endif
m_ItemsCache = new HierarchyItemsCache();
m_CurrentViewMode = ViewMode.Full;
Add(m_ViewContainer);
Selection.selectionChanged += OnGlobalSelectionChanged;
}