//weergeeft de vraag aabn de gebruiker.
public void presentQuestion(IQuestionable q)
{
q.geefVraag();
Console.WriteLine("antwoord: ");
string response = Console.ReadLine();
Console.WriteLine(q.checkAnswer(response));
Console.WriteLine("volgende vraag? druk op een toets. als er geen vragen meer zijn wordt de applicatie afgesloten.");
Console.ReadKey(true);
}
static double CalculateArea(IQuestionable subject)
{
var shape = subject.Ask("What shape is it?");
switch (shape.ToLowerInvariant())
{
case "rectangle":
var(width, height) = subject.Ask("How wide is the rectangle?", "How tall is the rectangle?");
return(double.Parse(width) * double.Parse(height));
case "circle":
var radius = double.Parse(subject.Ask("What is the circle's radius?"));
return(radius * radius * Math.PI);
default:
throw new Exception("Unsupported shape");
}
}
private static ElementManagerLeaf CreateElementManager(IQuestionable identifiedNode, ExpressionBool condition, ElementManagerCollection parent, ElementManagerController elementManagerController, ExpressionValue activationExpression)
{
switch (identifiedNode.ValueType)
{
case QValueType.Boolean:
return(new BoolQuestionManager(identifiedNode.ID, identifiedNode.Text, parent, elementManagerController, condition, activationExpression as ExpressionBool));
case QValueType.Integer:
return(new IntQuestionManager(identifiedNode.ID, identifiedNode.Text, parent, elementManagerController, condition, activationExpression as ExpressionInt));
case QValueType.Text:
return(new StringQuestionManager(identifiedNode.ID, identifiedNode.Text, parent, elementManagerController, condition, activationExpression as ExpressionText));
case QValueType.Money:
return(new MoneyQuestionManager(identifiedNode.ID, identifiedNode.Text, parent, elementManagerController, condition, activationExpression as ExpressionDouble));
case QValueType.Hex:
return(new HexQuestionManager(identifiedNode.ID, identifiedNode.Text, parent, elementManagerController, condition, activationExpression as ExpressionHex));
}
throw new InvalidOperationException("Unsupported type: " + identifiedNode.ValueType);
}
//voegt vraag toe aan vragenLijst.
public void addVraag(IQuestionable Q)
{
vragenLijst.Add(Q);
}
public static (string, string) Ask(this IQuestionable questionable, string question1, string question2)
{
var answers = questionable.Ask(new[] { question1, question2 });
return(answers[0], answers[1]);
}
public static string Ask(this IQuestionable questionable, string question)
{
var answers = questionable.Ask(new[] { question });
return(answers[0]);
}
