# File lib/symetrie_com/acts_as_better_nested_set.rb, line 1065
        def perform_reorder_of_children(ordered_ids, current)
          steps = calculate_reorder_steps(ordered_ids, current)
          steps.inject([]) do |result, (source, idx)|
            target = current[idx]
            if source.id != target.id            
              source.swap(target, false)             
              from = current.index(source)
              current[from], current[idx] = current[idx], current[from]
              result << source
            end
            result
          end
        end