private async void ShowWrongAnswerWarning()
{
var wrongAnswerWarning = new MessageDialog("Your answer is wrong");
var retryCommand = new UICommand("Retry")
{
Id = 0
};
var showAnswerCommand = new UICommand("Show answer")
{
Id = 1
};
wrongAnswerWarning.Commands.Add(retryCommand);
wrongAnswerWarning.Commands.Add(showAnswerCommand);
var result = await wrongAnswerWarning.ShowAsync();
if (result == retryCommand)
{
Clear();
}
if (result == showAnswerCommand)
{
InteractionTools.ShowTemplateImage(this.TemplateImage, this.currentImageTemplate);
}
}
private void ShowVisualFeedback()
{
InteractionTools.ShowTemplateImage(TemplateImage, currentImageTemplate);
StrokeCountFeedbackTextBlock.Text = "Location: " + visAssessor.LocationFeedback + "\n";
StrokeOrderFeedbackTextBlock.Text = "Shape: " + visAssessor.ShapeFeedback + "\n";
StrokeDirectionFeedbackTextBlock.Text = "Distribution: " + visAssessor.ProjectionFeedback + "\n";
StrokeIntersectionFeedbackTextBlock.Text = "";
}
private void LoadQuestion(int questionIndex)
{
this.currentQuestion = this.questions[questionIndex];
this.InstructionTextBlock.Text = this.currentQuestion.Text;
this.currentTemplateSketch = this.strokeTemplates[this.currentQuestion.Answer];
this.currentTemplateSketchStrokes = SketchPreprocessing.ScaleToFrame(currentTemplateSketch, writingFrameLength);
this.LoadTemplateImage(this.currentQuestion.Answer);
InteractionTools.ShowTemplateImage(this.SmallTemplateImage, this.currentImageTemplate);
}
private void StrokeOrderPlayButton_Click(object sender, RoutedEventArgs e)
{
if (!techAssessor.IsCorrectStrokeCount)
{
return;
}
InteractionTools.DemoStrokeOrder(this.AnimationCanvas, this.WritingInkCanvas, this.techAssessor.StrokeToStrokeCorrespondenceSameCount);
this.AnimationCanvas.Children.Clear();
}
private void StrokeDirectionPlayButton_Click(object sender, RoutedEventArgs e)
{
if (!techAssessor.IsCorrectStrokeCount)
{
return;
}
this.AnimationCanvas.Children.Clear();
this.DisablePlayButtons();
InteractionTools.DemoStrokeDirection(this.AnimationCanvas, this.sketchStrokes, this.techAssessor.WrongDirectionStrokeIndices);
this.EnablePlayButtons();
}
private void StrokeIntersectionPlayButton_Click(object sender, RoutedEventArgs e)
{
if (!this.techAssessor.IsCorrectStrokeCount)
{
return;
}
this.AnimationCanvas.Children.Clear();
int[] correspondance = this.techAssessor.StrokeToStrokeCorrespondenceSameCount;
string[,] sampleIntersections = this.techAssessor.SampleIntersectionMatrix;
string[,] templateIntersections = this.techAssessor.TemplateIntersectionMatrix;
for (int i = 0; i < sampleIntersections.GetLength(0); i++)
{
for (int j = 0; j < sampleIntersections.GetLength(0); j++)
{
if (i == j)
{
continue;
}
if (sampleIntersections[i, j] != templateIntersections[i, j])
{
int realI = 0;
int realJ = 0;
for (int index = 0; index < correspondance.GetLength(0); index++)
{
if (correspondance[index] == i)
{
realI = index;
}
if (correspondance[index] == j)
{
realJ = index;
}
}
SketchPoint intersection = SketchStrokeFeatureExtraction.Intersection(this.sketchStrokes[realI], this.sketchStrokes[realJ]);
if (intersection != null)
{
InteractionTools.HighlightWrongIntersection(this.AnimationCanvas, intersection);
}
else
{
InteractionTools.HighlightStrokes(this.AnimationCanvas, this.WritingInkCanvas, realI, realJ);
}
}
}
}
}
private void StrokeCountPlayButton_Click(object sender, RoutedEventArgs e)
{
this.AnimationCanvas.Children.Clear();
if (this.techAssessor.ConcatenatingCorrespondence != null)
{
this.DisablePlayButtons();
InteractionTools.DemoStrokeCount(this.AnimationCanvas, this.WritingInkCanvas, this.techAssessor.ConcatenatingCorrespondence, "concatenating");
this.EnablePlayButtons();
}
if (this.techAssessor.BrokenStrokeCorrespondence != null)
{
this.DisablePlayButtons();
InteractionTools.DemoStrokeCount(this.AnimationCanvas, this.WritingInkCanvas, this.techAssessor.BrokenStrokeCorrespondence, "broken");
this.EnablePlayButtons();
}
}
private void StrokeInput_StrokesCollected(InkPresenter sender, InkStrokesCollectedEventArgs args)
{
if (this.IsSkritter == true)
{
var strokes = this.WritingInkCanvas.InkPresenter.StrokeContainer.GetStrokes();
SketchStroke lastStroke = new SketchStroke(strokes[strokes.Count - 1], this.timeCollection[this.timeCollection.Count - 1]);
if (SkritterHelpers.ValidateStroke(lastStroke, this.currentTemplateSketchStrokes[this.sketchStrokes.Count]) == true)
{
this.sketchStrokes.Add(lastStroke);
InteractionTools.ShowStroke(this.AnimationCanvas, this.currentTemplateSketchStrokes[this.sketchStrokes.Count - 1]);
}
else
{
this.timeCollection.RemoveAt(this.timeCollection.Count - 1);
}
strokes[strokes.Count - 1].Selected = true;
this.WritingInkCanvas.InkPresenter.StrokeContainer.DeleteSelected();
}
}
public static void DemoStrokeDirection(Canvas canvas, List <SketchStroke> strokes, HashSet <int> wrongDirectionStrokeIndices)
{
List <List <SketchPoint> > solutionStrokeTraces = new List <List <SketchPoint> >();
foreach (int index in wrongDirectionStrokeIndices)
{
List <SketchPoint> origPoints = strokes[index].Points;
List <SketchPoint> reversed = new List <SketchPoint>();
for (int i = origPoints.Count - 1; i >= 0; i--)
{
reversed.Add(origPoints[i]);
}
solutionStrokeTraces.Add(reversed);
}
List <Storyboard> storyboards = InteractionTools.GenerateStoryBoards(canvas, solutionStrokeTraces, AnimationPointSize, AnimationPointDuration);
foreach (var sb in storyboards)
{
sb.Begin();
}
}