protected virtual IEnumerable<CultureInfo> GetLanguagesToDisplay()
{
////This is the current node - may be a group page node
////var sitemapNode = SiteMapBase.GetCurrentNode();
////This is the real node - may be the same as sitemapNode, but is never a group page node
var actualSitemapNode = SiteMapBase.GetActualCurrentNode();
PageManager pm = PageManager.GetManager();
var homePageId = SystemManager.CurrentContext.CurrentSite.HomePageId;
IEnumerable<CultureInfo> availableLanguages = null;
Guid nodeId;
if (actualSitemapNode != null)
{
nodeId = actualSitemapNode.Id;
}
else
{
nodeId = homePageId;
}
////This is used for generating links to language versions - we want it to be the current node, not the "real node".
this.node = pm.GetPageNode(nodeId);
if (actualSitemapNode != null)
{
availableLanguages = actualSitemapNode.AvailableLanguages;
}
else
{
availableLanguages = this.node.AvailableCultures;
}
this.usedLanguages = this.GetLanguagesForPage(actualSitemapNode, availableLanguages);
IEnumerable<CultureInfo> shownLanguages = this.GetLanguagesList(pm, homePageId, actualSitemapNode);
return shownLanguages;
}
private IEnumerable<CultureInfo> GetLanguagesList(PageManager pm, Guid homePageId, PageSiteNode siteMapNode)
{
////Get languages to list
List<CultureInfo> languages = new List<CultureInfo>();
var settings = Telerik.Sitefinity.Services.SystemManager.CurrentContext.AppSettings;
if (this.MissingTranslationAction == NoTranslationAction.HideLink)
{
languages.AddRange(this.usedLanguages);
}
else
{
languages.AddRange(settings.DefinedFrontendLanguages);
if (homePageId != Guid.Empty)
{
this.homePageNode = pm.GetPageNode(homePageId);
}
}
////Remove current language, if necessary
IList<CultureInfo> shownLanguages;
CultureInfo currentLanguage = Thread.CurrentThread.CurrentUICulture;
if (this.IncludeCurrentLanguage)
{
shownLanguages = languages;
// In design mode, if the page is not yet published, we want to display the current language if the user has selected the option.
if (SystemManager.IsDesignMode &&
siteMapNode != null &&
!siteMapNode.IsPublished(currentLanguage))
{
shownLanguages.Add(currentLanguage);
}
}
else
{
shownLanguages = languages.Where(ci => !ci.Equals(currentLanguage)).ToList();
}
return shownLanguages;
}
