private void PreviousElementHandler()
{
SelectedItem = SelectedItem == null || SelectedItem == Translations.First()
? Translations.Last()
: Translations.Where(t => t.Id == SelectedItem.Id - 1).First();
EncodingVM.SetItem(SelectedItem);
}
public string?Translate(string?culture = null)
{
if (Translations == null)
{
return(null);
}
culture = culture?.Trim() ?? Thread.CurrentThread.CurrentUICulture.Name;
/*
* in database - en, en-GB
* in query - en, en-GB, en-US
*/
// do we have exact match - en-GB == en-GB
var translation = Translations.FirstOrDefault(t => t.Culture == culture);
if (translation != null)
{
return(translation.Value);
}
// do we have match without the region en-US.StartsWith(en)
translation = Translations.FirstOrDefault(t => culture.StartsWith(t.Culture));
if (translation != null)
{
return(translation.Value);
}
// try to find the default culture
translation = Translations.FirstOrDefault(t => culture.StartsWith(_defaultCulture));
if (translation != null)
{
return(translation.Value);
}
// just return the first in list or null
return(Translations?.First().Value);
}