/// <summary>
///Dynamic value lists override static ones:
/// * If a dynamic value list is null then hard coded ValueList is enforced if it is specified;
/// * If a dynamic list is non-null then it is enforced if it is not blank, otherwise nothing is checked;
/// Therefore: you may return an empty non-null dynamic list to prevent application of ValueList check for specific field/target
/// </summary>
protected virtual Exception CheckValueList(string targetName, Schema.FieldDef fdef, FieldAttribute atr, object value, string scope)
{
//try to obtain dynamic value list
var dynValueList = GetDynamicFieldValueList(fdef, targetName, Atom.ZERO);
if (dynValueList != null)//check dynamic list is supplied
{
if (dynValueList.Count == 0)
{
return(null); //Nothing to check against; this is used to return empty list to override ValueList list
}
var fv = value.ToString();
if (!dynValueList.ContainsKey(fv))
{
return(new FieldValidationException(Schema.DisplayName, fdef.Name, StringConsts.CRUD_FIELD_VALUE_IS_NOT_IN_LIST_ERROR.Args(fv.TakeFirstChars(9, ".."))));
}
}
else if (atr.HasValueList)//check ValueList dictionary
{
var parsed = atr.ParseValueList();
var fv = value.ToString();
if (!parsed.ContainsKey(fv))
{
return(new FieldValidationException(Schema.DisplayName, fdef.Name, StringConsts.CRUD_FIELD_VALUE_IS_NOT_IN_LIST_ERROR.Args(fv.TakeFirstChars(9, ".."))));
}
}
return(null);
}