protected override void Initialize()
{
int answers;
int correct_answer;
if (predicates == null)
{
LoadPredicates();
}
question = random.Next(predicates.Length);
correct_answer = predicates [question].answer_index;
answers = predicates [question].options.Length;
random_indices = new ArrayListIndicesRandom(answers - 1);
random_indices.Initialize();
random_indices.Add(answers - 1);
for (int i = 0; i < answers; i++)
{
if (random_indices[i] == correct_answer)
{
Answer.Correct = Answer.GetMultiOption(i);
break;
}
}
Container container = new Container(DrawAreaX, DrawAreaY + 0.15, 0.8, 0.6);
AddWidget(container);
for (int i = 0; i < predicates[question].options.Length; i++)
{
DrawableArea drawable_area = new DrawableArea(0.8, 0.12);
drawable_area.X = DrawAreaX;
drawable_area.Y = DrawAreaY + 0.15 + i * 0.18;
container.AddChild(drawable_area);
drawable_area.Data = i;
drawable_area.DataEx = Answer.GetMultiOption(i);
drawable_area.DrawEventHandler += delegate(object sender, DrawEventArgs e)
{
int data = (int)e.Data;
int option = random_indices [data];
e.Context.SetPangoNormalFontSize();
e.Context.DrawStringWithWrapping(0.05, 0.02, String.Format(Translations.GetString("{0}) {1}"), Answer.GetMultiOption(data),
predicates[question].options[option].ToString()), 0.8 - DrawAreaX);
e.Context.Stroke();
};
}
}
protected override void Initialize()
{
int answers;
int correct_answer;
if (predicates == null)
LoadPredicates ();
question = random.Next (predicates.Length);
correct_answer = predicates [question].answer_index;
answers = predicates [question].options.Length;
random_indices = new ArrayListIndicesRandom (answers - 1);
random_indices.Initialize ();
random_indices.Add (answers - 1);
for (int i = 0; i < answers; i++)
{
if (random_indices[i] == correct_answer) {
Answer.Correct = Answer.GetMultiOption (i);
break;
}
}
Container container = new Container (DrawAreaX, DrawAreaY + 0.15, 0.8, 0.6);
AddWidget (container);
for (int i = 0; i < predicates[question].options.Length; i++)
{
DrawableArea drawable_area = new DrawableArea (0.8, 0.12);
drawable_area.X = DrawAreaX;
drawable_area.Y = DrawAreaY + 0.15 + i * 0.18;
container.AddChild (drawable_area);
drawable_area.Data = i;
drawable_area.DataEx = Answer.GetMultiOption (i);
drawable_area.DrawEventHandler += delegate (object sender, DrawEventArgs e)
{
int data = (int) e.Data;
int option = random_indices [data];
e.Context.SetPangoNormalFontSize ();
e.Context.DrawStringWithWrapping (0.05, 0.02, String.Format (Translations.GetString ("{0}) {1}"), Answer.GetMultiOption (data),
predicates[question].options[option].ToString ()), 0.8 - DrawAreaX);
e.Context.Stroke ();
};
}
}
private ArrayListIndicesRandom RandomizeFromArray(ArrayList ar)
{
int index;
object [] array = (object [])ar.ToArray(typeof(object));
ArrayListIndicesRandom elements = new ArrayListIndicesRandom(ar.Count);
int left = ar.Count;
elements.Clear();
// Generate a random number that can be as big as the maximum -1
// Add the random element picked up element in the list
// The element just randomized gets out of pending list and replaced by the maximum -1 element
for (int i = 0; i < ar.Count; i++, left--)
{
index = random.Next(left);
elements.Add((int)array[index]);
array[index] = array[left - 1];
}
return(elements);
}
private ArrayListIndicesRandom RandomizeFromArray(ArrayList ar)
{
int index;
object []array = (object []) ar.ToArray (typeof (object));
ArrayListIndicesRandom elements = new ArrayListIndicesRandom (ar.Count);
int left = ar.Count;
elements.Clear ();
// Generate a random number that can be as big as the maximum -1
// Add the random element picked up element in the list
// The element just randomized gets out of pending list and replaced by the maximum -1 element
for (int i = 0; i < ar.Count; i++, left--) {
index = random.Next (left);
elements.Add ((int) array[index]);
array[index] = array[left - 1];
}
return elements;
}