/// <exclude />
public override IEnumerable <PackageFragmentValidationResult> Validate()
{
List <PackageFragmentValidationResult> validationResults = new List <PackageFragmentValidationResult>();
if (this.Configuration.Count(f => f.Name == "Locales") > 1)
{
validationResults.AddFatal(GetText("VirtualElementProviderNodePackageFragmentUninstaller.OnlyOneElement"));
return(validationResults);
}
XElement localesElement = this.Configuration.SingleOrDefault(f => f.Name == "Locales");
_culturesToUninstall = new List <CultureInfo>();
if (localesElement != null)
{
XAttribute oldDefaultAttribute = localesElement.Attribute("oldDefault");
if (oldDefaultAttribute != null)
{
_oldDefaultCultureInfo = CultureInfo.CreateSpecificCulture(oldDefaultAttribute.Value);
}
foreach (XElement localeElement in localesElement.Elements("Locale").Reverse())
{
CultureInfo locale = CultureInfo.CreateSpecificCulture(localeElement.Attribute("name").Value);
if ((_oldDefaultCultureInfo == null) && (LocalizationFacade.IsDefaultLocale(locale)))
{
// Locale is default -> not possible to unintall
validationResults.AddFatal(GetText("VirtualElementProviderNodePackageFragmentUninstaller.OnlyOneElement"));
continue;
}
if (LocalizationFacade.IsOnlyActiveLocaleForSomeUsers(locale))
{
// only active for the a user
validationResults.AddFatal(GetText("VirtualElementProviderNodePackageFragmentUninstaller.OnlyOneElement"));
continue;
}
if (LocalizationFacade.IsLocaleInstalled(locale))
{
_culturesToUninstall.Add(locale);
}
}
}
if (validationResults.Count > 0)
{
_culturesToUninstall = null;
_oldDefaultCultureInfo = null;
}
return(validationResults);
}
private void IsOnlyActiveLocaleForSomeUsers(object sender, ConditionalEventArgs e)
{
CultureInfo cultureInfo = CreateCultureInfo();
e.Result = LocalizationFacade.IsOnlyActiveLocaleForSomeUsers(cultureInfo);
}