BeforeDropCallBack<T extends DraggableItem> typedef

BeforeDropCallBack<T extends DraggableItem> = Future<bool> Function({T? fromItem, int fromSlotIndex, T? toItem, int toSlotIndex})

Implementation

typedef Future<bool> BeforeDropCallBack<T extends DraggableItem>({
  T? fromItem,
  int fromSlotIndex,
  T? toItem,
  int toSlotIndex,
});