Bloom.Book.TranslationGroupManager.ShouldNormallyShowEditable C# (CSharp) Method

        internal static bool ShouldNormallyShowEditable(string lang, string[] dataDefaultLanguages,
			string contentLanguageIso2, string contentLanguageIso3, // these are effected by the multilingual settings for this book
			CollectionSettings settings)
        {
            if (dataDefaultLanguages == null || dataDefaultLanguages.Length == 0
                || string.IsNullOrWhiteSpace(dataDefaultLanguages[0])
                || dataDefaultLanguages[0].Equals("auto",StringComparison.InvariantCultureIgnoreCase))
            {
                    return lang == settings.Language1Iso639Code || lang == contentLanguageIso2 || lang == contentLanguageIso3;
            }
            else
            {
                return (lang == settings.Language1Iso639Code && dataDefaultLanguages.Contains("V")) ||
                   (lang == settings.Language2Iso639Code && dataDefaultLanguages.Contains("N1")) ||
                   (lang == settings.Language3Iso639Code && dataDefaultLanguages.Contains("N2"));
            }
        }