protected override void Reevaluate()
{
if (_reevaluate != null)
{
_reevaluate(this);
}
if (!CurrentChoices.Contains(CurrentValue))
{
CurrentValue = CurrentChoices.FirstOrDefault();
}
}
public ChoiceOption(string name, string display, IEnumerable <ValueType> choices, ValueType value, Action <ChoiceOption <ValueType> > reevaluate)
: base(name, display, value)
{
CurrentChoices = choices.ToList();
if (!CurrentChoices.Contains(CurrentValue))
{
CurrentValue = CurrentChoices.FirstOrDefault();
}
_reevaluate = reevaluate;
}
private void SwitchQuestion()
{
if (CurrentIndex < EachTimeQuestionsCount)
{
ChoicesVisibility = Visibility.Visible;
ExplainVisibility = Visibility.Collapsed;
CurrentQuestion = CurrentQuestionGroup[CurrentIndex];
CurrentIndex++;
if (CurrentQuestion.Type == QuestionModel.QuestionType.TitleWithImage)
{
CurrentChoicesLayout2.Clear();
FirstLayoutVisibility = Visibility.Collapsed;//Change FirstLayoutVisibility will change SecondLayoutVisibility automatically
for (int i = 0; i < CurrentQuestion.ChoiceCount; i++)
{
var ktb = new KinectTileButton();
ktb.Tag = i;
ktb.HorizontalAlignment = HorizontalAlignment.Center;
ktb.VerticalAlignment = VerticalAlignment.Center;
ktb.HorizontalLabelAlignment = HorizontalAlignment.Center;
ktb.VerticalLabelAlignment = VerticalAlignment.Center;
ktb.LabelBackground = new SolidColorBrush(Colors.Transparent);
ktb.Click += ktb_Click;
ktb.Height = DownContentHeight;
ktb.Width = DownButtonWidth;
ktb.BorderThickness = new Thickness(0, 0, 0, 0);
ktb.Label = CurrentQuestion.Answers[i].Text;
ImageSource frameSource = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/frame2.png"));
Image frame = new Image();
frame.Source = frameSource;
frame.Stretch = Stretch.Fill;
ktb.Content = frame;
double margin = ((RightScrollLen * 2 - CurrentQuestion.ChoiceCount * DownButtonWidth) /
CurrentQuestion.ChoiceCount) / 2;
margin = margin - margin / 4;
ktb.Margin = new Thickness(0, margin, 0, margin);
ImageBrush backBrush = new ImageBrush(new BitmapImage(new Uri(
"pack://application:,,,/Content/QuestionScreen/answerbg" + (i + 1) + ".png")));
backBrush.Opacity = 0.4;
backBrush.Stretch = Stretch.Fill;
ktb.Background = backBrush;
CurrentChoicesLayout2.Add(ktb);
}
if (CurrentIndex == EachTimeQuestionsCount)
{
NextButtonImage = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/buttonResult2.png"));
}
else
{
NextButtonImage = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/buttonDown2.png"));
}
}
else
{
CurrentChoices.Clear();
FirstLayoutVisibility = Visibility.Visible;//Change FirstLayoutVisibility will change SecondLayoutVisibility automatically
for (int i = 0; i < CurrentQuestion.ChoiceCount; i++)
{
var ktb = new KinectTileButton();
ktb.Tag = i;
ktb.HorizontalLabelAlignment = HorizontalAlignment.Center;
ktb.VerticalLabelAlignment = VerticalAlignment.Center;
ktb.Click += ktb_Click;
ktb.Width = ButtonWidth;
ktb.Height = ButtonWidth / 1.5;
//ktb.LabelBackground =new SolidColorBrush( );
ktb.BorderThickness = new Thickness(0, 0, 0, 0);
ktb.Label = CurrentQuestion.Answers[i].Text;
ImageSource frameSource = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/frame.png"));
Image frame = new Image();
frame.Source = frameSource;
frame.Stretch = Stretch.Fill;
ktb.Content = frame;
double margin = ((RightScrollLen * 2 - CurrentQuestion.ChoiceCount * ButtonWidth) /
CurrentQuestion.ChoiceCount) / 2;
margin = margin - margin / 4;
ktb.Margin = new Thickness(margin, 0, margin, 0);
ImageBrush backBrush;
if (CurrentQuestion.Answers[i].AttachImage != null)
{
ktb.VerticalLabelAlignment = VerticalAlignment.Bottom;
//ktb.Height = img.Height;
backBrush = new ImageBrush(CurrentQuestion.Answers[i].AttachImage);
}
else
{
backBrush = new ImageBrush(new BitmapImage(new Uri(
"pack://application:,,,/Content/QuestionScreen/answerbg" + (i + 1) + ".png")));
backBrush.Opacity = 0.4;
}
backBrush.Stretch = Stretch.Fill;
ktb.Background = backBrush;
CurrentChoices.Add(ktb);
}
if (CurrentIndex == EachTimeQuestionsCount)
{
NextButtonImage = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/buttonResult.png"));
}
else
{
NextButtonImage = new BitmapImage(new Uri("pack://application:,,,/Content/QuestionScreen/buttonDown.png"));
}
}
}
else
{
NavigationManager.NavigateToHome(DefaultNavigableContexts.ResultScreen);
}
}