public Question PopQuestion(IQuestionKey keyToUseForReference)
{
ResolveDeletionsAndAdditions();
PhraseCustomization questionToInsert;
try
{
questionToInsert = AdditionsAndInsertions.First();
}
catch (Exception e)
{
throw new InvalidOperationException("PopQuestion should only be called for a customization that is not tied to any other question and has " +
"at least one insertion or addition.", e);
}
AdditionsAndInsertions.RemoveAt(0);
var newQ = new Question(keyToUseForReference.ScriptureReference, keyToUseForReference.StartRef, keyToUseForReference.EndRef,
questionToInsert.ModifiedPhrase ?? questionToInsert.OriginalPhrase, questionToInsert.Answer);
SetExcludedAndModified(newQ);
if (AllAnswers != null && AllAnswers.Any()) // Note: If there are any, there are at least 2
{
newQ.Answers = AllAnswers.ToArray();
}
return(newQ);
}
private void RemoveAddition(int iAdditionToRemove)
{
var answer = AdditionsAndInsertions[iAdditionToRemove].Answer;
AdditionsAndInsertions.RemoveAt(iAdditionToRemove);
if (!String.IsNullOrWhiteSpace(answer) && !AllAnswers.Any(a => a.Contains(answer)) && !AdditionsAndInsertions.Where(b => b.Answer != null).Any(c => c.Answer.Contains(answer)))
{
AllAnswers.Add(answer);
}
}