Class

UICollectionViewDropPlaceholder

A placeholder for an item dropped on a collection view.

Declaration

class UICollectionViewDropPlaceholder : UICollectionViewPlaceholder

Topics

Providing a Custom Preview

var previewParametersProvider: ((UICollectionViewCell) -> UIDragPreviewParameters?)?

The object that provides the preview parameters for a drag item.

Relationships

Conforms To

See Also

Drag and Drop

Supporting Drag and Drop in Collection Views

Initiate drags and handle drops from a collection view.

protocol UICollectionViewDragDelegate

The interface for initiating drags from a collection view.

protocol UICollectionViewDropDelegate

The interface for handling drops in a collection view.

protocol UICollectionViewDropCoordinator

An interface for coordinating your custom drop-related actions with the collection view.

class UICollectionViewDropProposal

Your proposed solution for handling a drop in a collection view.

protocol UICollectionViewDropItem

The data associated with an item being dropped into the collection view.

protocol UICollectionViewDropPlaceholderContext

An object that contains information about a placeholder in the collection view.

protocol UIDataSourceTranslating

An advanced interface for managing a data source object.

class UICollectionViewPlaceholder

A placeholder for an item dragged or dropped on a collection view.