/* Public interface methods */
public QuizGame(ProblemWritter problemWritter)
{
this.Rand = new Random();
this.IsStarted = false;
this.ProblemWritter = problemWritter;
this.QuestionTypeList = GetQuestionKindList(problemWritter); // Abstract Implementation
}
public static List<IQuestion> getListOfAllKinds(ProblemWritter pw)
{
var kinds = new List<IQuestion>();
kinds.Add(new Summation(pw));
kinds.Add(new Substraction(pw));
kinds.Add(new DoubleMult(pw));
kinds.Add(new Multiplication(pw));
return kinds;
}
/* Public interface methods */
public MathQuizGame(ProblemWritter pw)
: base(pw)
{
SetDefaultParameterValues();
InitializeTimer();
// Assigning behavior through events;
this.AnsweredCorrectly += IncreaseScore;
this.AnsweredCorrectly += AddTime;
this.AnsweredWrong += DecreaseScore;
}
protected abstract List<IQuestion> GetQuestionKindList(ProblemWritter pw);
public Summation(ProblemWritter problemWritter)
: base(problemWritter)
{
}
public Substraction(ProblemWritter problemWritter)
: base(problemWritter)
{
}
public Multiplication(ProblemWritter problemWritter)
: base(problemWritter)
{
}
public DoubleMult(ProblemWritter problemWritter)
: base(problemWritter)
{
}
/* Abstract method implementation */
protected override List<IQuestion> GetQuestionKindList(ProblemWritter pw)
{
return MathProblemFactory.getListOfAllKinds(pw);
}
public MathProblem(ProblemWritter problemWritter)
{
this.ProblemWritter = problemWritter;
Rand = new Random();
}
