IGListBatchContext

Objective-C

@protocol IGListBatchContext <NSObject>

Swift

protocol ListBatchContext : NSObjectProtocol

Objects conforming to the IGListBatchContext protocol provide a way for section controllers to mutate their cells or reload everything within the section.

  • Reloads cells in the section controller.

    Declaration

    Objective-C

    - (void)reloadInSectionController:
            (nonnull IGListSectionController *)sectionController
                        atIndexes:(nonnull NSIndexSet *)indexes;

    Swift

    func reload(in sectionController: IGListSectionController, at indexes: IndexSet)

    Parameters

    sectionController

    The section controller who’s cells need reloading.
    indexes

    The indexes of items that need reloading.

  • Inserts cells in the list.

    Declaration

    Objective-C

    - (void)insertInSectionController:
            (nonnull IGListSectionController *)sectionController
                        atIndexes:(nonnull NSIndexSet *)indexes;

    Swift

    func insert(in sectionController: IGListSectionController, at indexes: IndexSet)

    Parameters

    sectionController

    The section controller who’s cells need inserting.
    indexes

    The indexes of items that need inserting.

  • Deletes cells in the list.

    Declaration

    Objective-C

    - (void)deleteInSectionController:
            (nonnull IGListSectionController *)sectionController
                        atIndexes:(nonnull NSIndexSet *)indexes;

    Swift

    func delete(in sectionController: IGListSectionController, at indexes: IndexSet)

    Parameters

    sectionController

    The section controller who’s cells need deleted.
    indexes

    The indexes of items that need deleting.

  • Invalidates layouts of cells at specific in the section controller.

    Declaration

    Objective-C

    - (void)invalidateLayoutInSectionController:
            (nonnull IGListSectionController *)sectionController
                                  atIndexes:(nonnull NSIndexSet *)indexes;

    Swift

    func invalidateLayout(in sectionController: IGListSectionController, at indexes: IndexSet)

    Parameters

    sectionController

    The section controller who’s cells need invalidating.
    indexes

    The indexes of items that need invalidating.

  • Moves a cell from one index to another within the section controller.

    Declaration

    Objective-C

    - (void)moveInSectionController:
            (nonnull IGListSectionController *)sectionController
                      fromIndex:(NSInteger)fromIndex
                        toIndex:(NSInteger)toIndex;

    Swift

    func move(in sectionController: IGListSectionController, from fromIndex: Int, to toIndex: Int)

    Parameters

    sectionController

    The section controller who’s cell needs moved.
    fromIndex

    The index the cell is currently in.
    toIndex

    The index the cell should move to.

  • Reloads the entire section controller.

    Declaration

    Objective-C

    - (void)reloadSectionController:
    (nonnull IGListSectionController *)sectionController;

    Swift

    func reload(_ sectionController: IGListSectionController)

    Parameters

    sectionController

    The section controller who’s cells need reloading.

  • Moves a section controller from one index to another during interactive reordering.

    Declaration

    Objective-C

    - (void)moveSectionControllerInteractive:
            (nonnull IGListSectionController *)sectionController
                               fromIndex:(NSInteger)fromIndex
                                 toIndex:(NSInteger)toIndex;

    Swift

    func moveSectionControllerInteractive(_ sectionController: IGListSectionController, from fromIndex: Int, to toIndex: Int)

    Parameters

    sectionController

    The section controller to move.
    fromIndex

    The index where the section currently resides.
    toIndex

    The index the section should move to.

  • Moves an object within a section controller from one index to another during interactive reordering.

    Declaration

    Objective-C

    - (void)moveInSectionControllerInteractive:
            (nonnull IGListSectionController *)sectionController
                                 fromIndex:(NSInteger)fromIndex
                                   toIndex:(NSInteger)toIndex;

    Swift

    func move(inSectionControllerInteractive sectionController: IGListSectionController, from fromIndex: Int, to toIndex: Int)

    Parameters

    sectionController

    The section controller containing the object to move.
    fromIndex

    The index where the object currently resides.
    toIndex

    The index the object should move to.

  • Reverts an move from one indexPath to another during interactive reordering.

    Declaration

    Objective-C

    - (void)revertInvalidInteractiveMoveFromIndexPath:
            (nonnull NSIndexPath *)sourceIndexPath
                                      toIndexPath:(nonnull NSIndexPath *)
                                                      destinationIndexPath;

    Swift

    func revertInvalidInteractiveMove(from sourceIndexPath: IndexPath, to destinationIndexPath: IndexPath)

    Parameters

    sourceIndexPath

    The indexPath the item was originally in.
    destinationIndexPath

    The indexPath the item was moving to.