/// <summary>
/// Create translation structure at scope of tranlatable object.
/// </summary>
/// <param name="translatableObject">Translateable object</param>
/// <param name="culture">Culture which is used to store translation</param>
public static void SaveTranslation(this ITranslatable translatableObject, string culture)
{
#region validation
if (translatableObject == null)
{
throw new ArgumentNullException(nameof(translatableObject));
}
if (string.IsNullOrEmpty(culture))
{
throw new ArgumentNullException(nameof(culture));
}
#endregion
// create translation structure if not exists
if (translatableObject.Translations == null)
{
translatableObject.Translations = new List <Translation>();
}
// check if translation for specified culture already exists
Translation translation = translatableObject.GetTranslation(culture);
if (translation == null)
{
// create translation for specified culture
translation = new Translation()
{
Culture = culture
};
translatableObject.Translations.Add(translation);
}
List <TranslationText> translationTexts = new List <TranslationText>();
// get all properties with 'translatable' annotation which are of type string
Type translationType = translatableObject.GetType();
foreach (PropertyInfo translationProperty in translationType.GetTranslatableProperties())
{
translationTexts.Add(new TranslationText()
{
Name = translationProperty.Name,
Text = (string)translationProperty.GetValue(translatableObject)
});
}
translation.Texts = translationTexts;
if (!string.IsNullOrEmpty(Instance.DefaultCulture))
{
// reset culture dependend properties to default language
translatableObject.Translate(Instance.DefaultCulture);
}
}
/// <summary>
/// Translate the translatable object to culture specific language.
/// </summary>
/// <param name="translatableObject">Translatable object to translate</param>
/// <param name="culture">Culture to translate into</param>
public static void Translate(this ITranslatable translatableObject, string culture)
{
#region validation
if (translatableObject == null)
{
throw new ArgumentNullException(nameof(translatableObject));
}
if (string.IsNullOrEmpty(culture))
{
throw new ArgumentNullException(nameof(culture));
}
#endregion
// check if translations are avaiable
if (translatableObject.Translations != null)
{
// search for translation with target culture
Translation translation = translatableObject.GetTranslation(culture);
// search for fallback translation
if (translation == null)
{
translation = translatableObject.GetTranslationFallBack(culture);
}
if (translation != null)
{
// translate all properties by name
Type translationType = translatableObject.GetType();
foreach (TranslationText translationText in translation.Texts)
{
translationType.GetProperty(translationText.Name).SetValue(translatableObject, translationText.Text);
}
}
}
}
private void Translate(ITranslatable o, ITranslationSource translationSource)
{
var type = o.GetType();
var properties = type.GetProperties(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
var pluralBuilder = translationSource.GetPluralBuilder();
foreach (var property in properties)
{
if (!property.CanRead || !property.CanWrite)
{
continue;
}
if (property.PropertyType == typeof(string))
{
SetStringProperty(o, property, translationSource);
}
if (property.PropertyType == typeof(string[]))
{
SetStringArrayProperty(o, property, pluralBuilder, translationSource);
}
if (property.PropertyType.IsArray &&
property.PropertyType.GetElementType().Name == typeof(EnumTranslation <>).Name)
{
SetEnumArrayProperty(o, property);
}
if (property.PropertyType == typeof(IPluralBuilder))
{
SetPluralbuilderProperty(o, property, pluralBuilder);
}
}
}
