Interface IListNotificationHandler

public beginNotifications()

Indicates the start of a notification batch. Objects that are listening for notifications should defer making updates until endNotifications is called.

public changed(newItem: IItem, oldItem: IItem)

Indicates that an item changed.

Parameters

• newItem: IItem

  The updated item.

• oldItem: IItem

  The original item.

public countChanged(newCount: number, oldCount: number)

Indicates that the number of items in the IListDataSource has changed.

Parameters

• newCount: number

  The updated count.

• oldCount: number

  The original count.

public endNotifications()

Indicates the end of a notification batch. When the beginNotifications method is called, objects listening for notifications should defer making updates until endNotifications is called.

public indexChanged(handle: string, newIndex: number, oldIndex: number)

Indicates that the index of an item changed.

Parameters

• handle: string

  The temporary ID of the item.

• newIndex: number

  The new index.

• oldIndex: number

  The original index.

public inserted(itemPromise: IItemPromise, previousHandle: string, nextHandle: string)

Indicates that an item was added to the IListDataSource.

Parameters

• itemPromise: IItemPromise

  A promise for the new IItem.

• previousHandle: string

  The temporary ID of the item that precedes the new item.

• nextHandle: string

  The temporary ID of the item that follows the new item.

public itemAvailable(item: IItem)

Indicates that an IItemPromise was fulfilled and that the item is now available.

Parameters

• item: IItem

  The fulfilled item.

public moved(item: IItemPromise, previousHandle: string, nextHandle: string)

Indicates that an item was moved.

Parameters

• item: IItemPromise

  A promise for the IItem that was moved.

• previousHandle: string

  The temporary ID of the item that now precedes the moved item.

• nextHandle: string

  The temporary ID of the item that now follows the moved item.

public removed(handle: string, mirage: boolean)

Indicates that an item was removed.

Parameters

• handle: string

  The temporary ID of the item that was removed.

• mirage: boolean

  true if the item never actually existed; false if the item was actually present in the IListDataSource.