Version: 2023.2
LanguageEnglish
  • C#

CollectionViewController

class in UnityEngine.UIElements

/

Implemented in:UnityEngine.UIElementsModule

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Description

Base collection view controller. View controllers are meant to take care of data virtualized by any BaseVerticalCollectionView inheritor.

Properties

itemsSource The items source stored in a non-generic list.
view The view for this controller.

Public Methods

Dispose Called when this controller is not longer needed to provide a way to release resources.
GetIdForIndex Returns the id for the specified index.
GetIndexForId Returns the index for the specified id.
GetItemForId Returns the item with the specified ID.
GetItemForIndex Returns the item with the specified index.
GetItemsCount Returns the expected item count in the source.
SetView Sets the view for this controller.

Protected Methods

BindItem Binds a row to an item index.
DestroyItem Destroys a VisualElement when the view is rebuilt or cleared.
MakeItem Creates a VisualElement to use in the virtualization of the collection view.
PrepareView Initialization step once the view is set.
RaiseItemIndexChanged Invokes the itemIndexChanged event.
RaiseItemsSourceChanged Invokes the itemsSourceChanged event.
SetItemsSourceWithoutNotify Set the itemsSource without raising the itemsSourceChanged event.
UnbindItem Unbinds a row to an item index.

Events

itemIndexChanged Raised when an item in the source changes index. The first argument is source index, second is destination index.
itemsSourceChanged Raised when the itemsSource changes.