/// <summary>
/// Adds all items in a list of <see cref="LocalText.Entry"/> elements
/// to local text dictionaries.</summary>
/// <remarks>
/// If there are already translations in local text dictionaries with
/// same keys, their values are overriden, no exception occurs.</remarks>
/// <param name="list">
/// List of local texts to be added to local text dictionaries.</param>
/// <param name="pending">
/// True if this is a pending approval entry.</param>
public static void Add(IList <Entry> list, bool pending)
{
if (list.Count > 0)
{
var newDictionary = new Dictionary <LanguageIDTextKey, string>(pending ? _pendingTexts : _publishedTexts);
LanguageIDTextKey k = new LanguageIDTextKey(DefaultLanguageID, "");
foreach (Entry e in list)
{
k._languageID = e.LanguageID;
k._textKey = e.TextKey;
newDictionary[k] = e.LocalText;
}
if (pending)
{
_pendingTexts = newDictionary;
}
else
{
_publishedTexts = newDictionary;
}
}
}
/// <summary>
/// Converts <paramref name="textKey">the local text key</paramref>, to its representation in
/// <paramref name="languageID">requested language</paramref>.</summary>
/// <param name="languageID"/>
/// Language ID.
/// <param name="textKey">
/// Local text key (can be null).</param>
/// <param name="pending">
/// If pending approval texts to be used, true.</param>
/// <returns>
/// Local text, looked up from requested language, its parents, and default language in order. If not found
/// in any, null is returned</returns>
public static string TryGet(Int64 languageID, string textKey, bool pending)
{
// create a key to lookup by language and text key pair
LanguageIDTextKey k = new LanguageIDTextKey(languageID, textKey);
string s;
if (pending)
{
// first search in pending texts
if (_pendingTexts.TryGetValue(k, out s))
{
// pending text is available, return it
if (s != null)
{
return(s);
}
// pending text is null, it means marked for deletion,
// if this is default language, return key itself
if (languageID == DefaultLanguageID)
{
return(null);
}
}
else if (_publishedTexts.TryGetValue(k, out s))
{
// published is available, return it
return(s);
}
else if (languageID == DefaultLanguageID)
{
// if language is default language, return text key
return(null);
}
int circularCheck1 = 0;
while (true)
{
if (!_languageParents.TryGetValue(languageID, out languageID))
{
languageID = DefaultLanguageID;
}
// search in parent or default language
k._languageID = languageID;
if (_pendingTexts.TryGetValue(k, out s))
{
// text available in pending parent language
if (s != null)
{
return(s);
}
// if marked for deletion in default language, return key itself
if (languageID == DefaultLanguageID)
{
return(null);
}
}
else if (_publishedTexts.TryGetValue(k, out s))
{
// text available in published default language
return(s);
}
else if (languageID == DefaultLanguageID)
{
// not in pending nor published, or circular reference, return key itself
return(null);
}
// check for possible circular parents
if (circularCheck1++ >= 10)
{
return(null);
}
// try again for parent language...
}
}
else if (!_publishedTexts.TryGetValue(k, out s))
{
// couldn't find, if requested language is not DefaultLanguageID, search in it too
if (languageID != DefaultLanguageID)
{
int circularCheck2 = 0;
while (true)
{
if (!_languageParents.TryGetValue(languageID, out languageID))
{
languageID = DefaultLanguageID;
}
// search in parent or default language
k._languageID = languageID;
// search again
if (_publishedTexts.TryGetValue(k, out s))
{
return(s);
}
if (languageID == DefaultLanguageID ||
circularCheck2++ >= 10)
{
return(null);
}
}
}
// couldn't find in requested language or its parents, return key itself
return(null);
}
else
{
// found in requested language, return it
return(s);
}
}
