Reactor.ReactControl.GetDataSourceItem C# (CSharp) Method

    private Item GetDataSourceItem()
    {
      Item dataSourceItem;
      if (!string.IsNullOrEmpty(DataSource))
      {
        dataSourceItem = Sitecore.Context.Database.GetItem(DataSource) ?? Sitecore.Context.Item;
      }
      else
      {
        dataSourceItem = Sitecore.Context.Item;
      }
      return dataSourceItem;
    }
  }