private static LanguageDictionary ResolveDictionary()
{
LanguageDictionary dictionary = LanguageDictionary.GetDictionary(
LanguageContext.Instance.Culture);
if (dictionary == null)
{
throw new InvalidOperationException(string.Format("Dictionary for language {0} was not found",
LanguageContext.Instance.Culture));
}
return(dictionary);
}
public static LanguageDictionary GetDictionary(CultureInfo cultureInfo)
{
if (cultureInfo == null)
{
throw new ArgumentNullException("cultureInfo");
}
if (_registeredDictionaries.ContainsKey(cultureInfo))
{
LanguageDictionary dictionary = _registeredDictionaries[cultureInfo];
return(dictionary);
}
return(LanguageDictionary.Null);
}
public object Convert(object[] values, Type targetType, object parameter, CultureInfo culture)
{
try
{
int parametersCount = _isStaticUid ? values.Length - 1 : values.Length - 2;
if (string.IsNullOrEmpty(_uid))
{
if (values[1] == null)
{
throw new ArgumentNullException("Uid must be provided as the first Binding element, and must not be null");
}
_isStaticUid = false;
_uid = values[1].ToString();
--parametersCount;
}
LanguageDictionary dictionary = ResolveDictionary();
object translatedObject = dictionary.Translate(_uid, _vid, targetType);
if (translatedObject != null && parametersCount != 0)
{
object[] parameters = new object[parametersCount];
Array.Copy(values, values.Length - parametersCount, parameters, 0, parameters.Length);
try
{
translatedObject = string.Format(translatedObject.ToString(), parameters);
}
catch (Exception ex)
{
#region Trace
Debug.WriteLine(string.Format("LanguageConverter failed to format text {0}", translatedObject.ToString()));
#endregion
}
}
return(translatedObject);
}
catch (Exception ex)
{
#region Trace
Debug.WriteLine(string.Format("LanguageConverter failed to convert text: {0}", ex.Message));
#endregion
}
return(null);
}