/// <summary>
/// Returns all enum values sorted by their display string for the specified language and use case.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="language"></param>
/// <param name="translationType"></param>
/// <returns></returns>
public T[] GetValuesSortedByTranslation <T>(CultureInfo language = null, EnumTranslationType translationType = EnumTranslationType.Default) where T : struct, IComparable, IConvertible, IFormattable
{
lock (m_lockObject)
{
Type type = typeof(T);
if (!type.IsEnum)
{
throw new ArgumentException("generic argument T must be an enum");
}
if (language == null)
{
language = CultureInfo.InvariantCulture;
}
List <EnumTranslationMapping <T> > mappings = new List <EnumTranslationMapping <T> >();
Array arr = System.Enum.GetValues(type);
for (int i = 0; i < arr.Length; i++)
{
T value = (T)arr.GetValue(i);
mappings.Add(new EnumTranslationMapping <T>(value, GetStringForValue(value, language, translationType)));
}
return(mappings
.OrderBy(mapping => mapping.Translation, StringComparer.Create(language, true))
.Select(mapping => mapping.EnumValue).ToArray());
}
}
private string GetStringForValueInternal(T enumValue, EnumTranslationType translationType)
{
IDictionary <T, string> translations = GetTranslationsForType(translationType);
if (translations is not null)
{
translations.TryGetValue(enumValue, out string translation);
return(translation);
}
else
{
return(null);
}
}
/// <summary>
/// Returns the display string of the specified enum value for the specified use case.
/// </summary>
/// <param name="enumValue"></param>
/// <param name="translationType"></param>
/// <returns></returns>
public override string GetStringForValue(T enumValue, EnumTranslationType translationType = EnumTranslationType.Default)
{
string translation = GetStringForValueInternal(enumValue, translationType);
if (translation == null && translationType != EnumTranslationType.Default)
{
translation = GetStringForValueInternal(enumValue, EnumTranslationType.Default);
}
if (translation == null)
{
translation = enumValue.ToString();
}
return(translation);
}
/// <summary> /// Returns the display string of the specified enum value for the specified use case. /// </summary> /// <param name="enumValue"></param> /// <param name="translationType"></param> /// <returns></returns> public abstract string GetStringForValue(T enumValue, EnumTranslationType translationType = EnumTranslationType.Default);
/// <summary>
/// Returns the display string of the specified enum value for the specified language and use case.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="enumValue"></param>
/// <param name="language"></param>
/// <param name="translationType"></param>
/// <returns></returns>
public string GetStringForValue <T>(T enumValue, CultureInfo language = null, EnumTranslationType translationType = EnumTranslationType.Default) where T : struct, IComparable, IConvertible, IFormattable
{
lock (m_lockObject)
{
Type type = typeof(T);
if (!type.IsEnum)
{
throw new ArgumentException("generic argument T must be an enum");
}
IDictionary <string, object> translationSourcesByLanguage = m_translationSourcesByType[type];
if (language == null)
{
language = CultureInfo.InvariantCulture;
}
string[] languageNames = GetHierarichalLanguageNamesDesc(language);
for (int i = 0; i < languageNames.Length; i++)
{
if (translationSourcesByLanguage.TryGetValue(languageNames[i], out object rawTranslationSource))
{
return(((IEnumTranslationSource <T>)rawTranslationSource).GetStringForValue(enumValue, translationType));
}
}
throw new ArgumentException($"Display string for the specified language '{language.DisplayName}' and translation type '{translationType}' not found");
}
}
public void Test_GetStringForValue_Ok(VehicleType enumValue, string languageName, EnumTranslationType translationType, string expected)
{
EnumTranslator enumTranslator = InitTranslations();
string translation = enumTranslator.GetStringForValue(enumValue, new CultureInfo(languageName), translationType);
Assert.Equal(expected, translation);
}
private IDictionary <T, string> GetTranslationsForType(EnumTranslationType translationType)
{
m_translations.TryGetValue(translationType, out IDictionary <T, string> translations);
return(translations);
}
