indexPathForView:inTableView:

indexPathForViewInTableView.m

- (NSIndexPath *)indexPathForView:(UIView *)view inTableView:(UITableView *)tableView {
    UIView *superview = view;
    while (superview && ![superview isKindOfClass:[UITableViewCell class]]) {
        superview = superview.superview;
    }
    
    if ([superview isKindOfClass:[UITableViewCell class]]) {
        NSIndexPath *indexPath = [tableView indexPathForCell:(UITableViewCell *)superview];
        return indexPath;
    }
    
    return nil;
}