/// <summary>
/// Возвращает коллекцию RuleElement запрашиваемого общего правила.
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public static IEnumerable <RuleElement> GetCommonRuleChildren(this TypiconEntity typicon, CommonRuleServiceRequest request)
{
if (request == null ||
request.RuleSerializer == null)
{
throw new ArgumentNullException("CommonRuleServiceRequest");
}
CommonRule commonRule = typicon.GetCommonRule(c => c.Name == request.Key);
if (commonRule == null)
{
throw new NullReferenceException("CommonRule");
}
if (!commonRule.IsValid)
{
//if (request.Handler.Settings.ThrowExceptionIfInvalid)
//{
// commonRule.ThrowExceptionIfInvalid();
//}
//else
//{
return(new List <RuleElement>());
//}
}
var container = commonRule.GetRule <ExecContainer>(request.RuleSerializer);
return((container != null) ? container.ChildElements : new List <RuleElement>());
}
/// <summary>
/// Возвращает строку из Правила, представляющего из себя коллекцию TextHolder, согласно индекса
/// </summary>
/// <param name="typicon"></param>
/// <param name="request"></param>
/// <param name="index">Номер TextHolder-ы в коллекции Правила</param>
/// <returns></returns>
public static string GetCommonRuleIndexedString(this TypiconEntity typicon, CommonRuleServiceRequest request, int index, string language)
{
string result = "";
if (GetCommonRuleChildren(typicon, request).ElementAtOrDefault(index) is TextHolder t && t.Paragraphs?.Count > 0)
{
result = t.Paragraphs[0]?[language];
}
return(result);
}
public TypiconEntity GetOwner()
{
TypiconEntity result = Owner;
if ((result == null) && (Parent != null))
{
return(Parent.GetOwner());
}
return(result);
}
/// <summary>
/// Возвращает строку из системного правила, где определен только один элемент ItemText
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public static string GetCommonRuleTextValue(this TypiconEntity typicon, CommonRuleServiceRequest request, string language)
{
return(GetCommonRuleItemTextValue(typicon, request)[language]);
}
/// <summary>
/// Возвращает строку из системного правила, где определен только один элемент ItemText
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public static ItemText GetCommonRuleItemTextValue(this TypiconEntity typicon, CommonRuleServiceRequest request)
{
TextHolder textHolder = (TextHolder)GetCommonRuleChildren(typicon, request).FirstOrDefault();
return((textHolder?.Paragraphs.Count > 0) ? textHolder.Paragraphs[0] : new ItemText());
}
