apply<T extends DataGridRow> method

@override DataGridState<T>? apply<T extends DataGridRow>(EventContext<T> context)

Apply this event's transformation to the state. Returns the new state, or null if no state change should occur. Can return a Future for async operations.

Implementation

@override
DataGridState<T>? apply<T extends DataGridRow>(EventContext<T> context) {
  if (context.state.selection.mode == SelectionMode.none &&
      context.state.selection.activeCellId == null) {
    return null;
  }
  return NavigateCellEvent(CellNavDirection.up).apply(context);
}