virtual protected void GradeQuestion()
{
if (IsCaseSensitive)
{
Correctness = (ResponseText == CorrectResponse) ? 1.0 : 0.0;
}
else
{
Correctness = (ResponseText.ToLower() == CorrectResponse.ToLower()) ? 1.0 : 0.0;
}
}
/// <summary>
/// Method to ask the question to grade itself. Marked virtual because different
/// types of question may have different types of grading.
/// </summary>
virtual protected void GradeQuestion()
{
// By default, simply compare the user's response to the correct response
if (IsCaseSensitive)
{
Correctness = (ResponseText == CorrectResponse) ? 1.0 : 0.0;
}
else
{
Correctness = (ResponseText.ToLower() == CorrectResponse.ToLower()) ? 1.0 : 0.0;
}
}
protected override IEnumerator ForcedSolveIEnumerator()
{
yield return(null);
while (State != TwoBitsState.Complete)
{
if (CurrentQuery.StartsWith("_") && State == TwoBitsState.Idle)
{
yield return(DoInteractionClick(_buttons[ButtonLabels.IndexOf(CorrectResponse.Substring(0, 1), StringComparison.Ordinal)]));
}
if (CurrentQuery.EndsWith("_") && State == TwoBitsState.Idle)
{
yield return(DoInteractionClick(_buttons[ButtonLabels.IndexOf(CorrectResponse.Substring(1, 1), StringComparison.Ordinal)]));
}
if (State == TwoBitsState.Idle)
{
yield return(CorrectResponse.Equals(CurrentQuery) ? DoInteractionClick(_submit) : DoInteractionClick(_query));
}
yield return(true);
}
}
protected internal override IEnumerator RespondToCommandInternal(string inputCommand)
{
var split = inputCommand.ToLowerInvariant().Trim().Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries);
if (split.Length < 2 || split[0] != "press")
{
yield break;
}
foreach (string x in split.Skip(1))
{
switch (x)
{
case "query":
case "submit":
break;
default:
foreach (char y in x)
{
if (!ButtonLabels.Contains(y))
{
yield break;
}
}
break;
}
}
yield return("Two Bits Solve Attempt");
foreach (string x in split.Skip(1))
{
switch (x)
{
case "query":
yield return(DoInteractionClick(_query));
break;
case "submit":
yield return(DoInteractionClick(_submit));
break;
default:
foreach (char y in x)
{
yield return(DoInteractionClick(_buttons[ButtonLabels.IndexOf(y)]));
if (State == TwoBitsState.ShowingError || State == TwoBitsState.Inactive)
{
yield break;
}
}
break;
}
yield return(new WaitForSeconds(0.1f));
}
if (State == TwoBitsState.SubmittingResult)
{
yield return(CorrectResponse.Equals(CurrentQuery) ? "solve" : "strike");
}
}
/// <summary>
/// Return the encoded string of all current data model values to pass to the client. This method
/// reinitializes the ObjectiveIndexer and InteractionIndexer values.
/// </summary>
public override DataModelValues GetDataModelValues(AddDataModelValue addDataModelValue)
{
StringBuilder dataModelValuesBuffer = new StringBuilder(4096); // data model values
string n;
LearningDataModel dm = this.DataModel;
Learner learner = dm.Learner;
addDataModelValue(dataModelValuesBuffer, "cmi.core.student_id", learner.Id);
addDataModelValue(dataModelValuesBuffer, "cmi.core.student_name", learner.Name);
// cmi.core values
addDataModelValue(dataModelValuesBuffer, "cmi.core.lesson_location", dm.Location);
addDataModelValue(dataModelValuesBuffer, "cmi.core.credit", GetRteCredit(dm.Credit, this.View));
addDataModelValue(dataModelValuesBuffer, "cmi.core.lesson_status", GetRteLessonStatus(dm.LessonStatus));
addDataModelValue(dataModelValuesBuffer, "cmi.core.entry", GetRteEntry(dm.Entry));
AddDataModelScore(addDataModelValue, dataModelValuesBuffer, "cmi.core.score", dm.Score);
addDataModelValue(dataModelValuesBuffer, "cmi.core.total_time", GetRteTimeSpan(dm.TotalTime));
addDataModelValue(dataModelValuesBuffer, "cmi.core.lesson_mode", GetRteMode(this.View));
addDataModelValue(dataModelValuesBuffer, "cmi.suspend_data", dm.SuspendData);
addDataModelValue(dataModelValuesBuffer, "cmi.launch_data", dm.LaunchData);
addDataModelValue(dataModelValuesBuffer, "cmi.comments", GetRteComment(dm.CommentsFromLearner));
addDataModelValue(dataModelValuesBuffer, "cmi.comments_from_lms", GetRteCommentFromLms(dm.CommentsFromLms));
int objCountOrig = dm.Objectives.Count; // num objectives in data model
int objCountToClient = 0; // num objectives sent to client
for (int i = 0; i < objCountOrig; i++)
{
Objective objective = dm.Objectives[i];
n = XmlConvert.ToString(objCountToClient);
addDataModelValue(
dataModelValuesBuffer, ResHelper.FormatInvariant("cmi.objectives.{0}.id", n), objective.Id);
AddDataModelScore(
addDataModelValue,
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.objectives.{0}.score", n),
objective.Score);
if (objective.Status != null)
{
addDataModelValue(
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.objectives.{0}.status", n),
GetRteLessonStatus(objective.Status.Value));
}
objCountToClient++;
}
addDataModelValue(dataModelValuesBuffer, "cmi.objectives._count", RteIntValue(objCountToClient));
// cmi.student_data
addDataModelValue(dataModelValuesBuffer, "cmi.student_data.mastery_score", GetRteFloat(dm.MasteryScore));
addDataModelValue(
dataModelValuesBuffer, "cmi.student_data.max_time_allowed", GetRteTimeSpan(dm.MaxTimeAllowed));
addDataModelValue(
dataModelValuesBuffer, "cmi.student_data.time_limit_action", GetTimeLimitAction(dm.TimeLimitAction));
// cmi.student_preference
addDataModelValue(dataModelValuesBuffer, "cmi.student_preference.audio", GetRteFloat(learner.AudioLevel));
addDataModelValue(dataModelValuesBuffer, "cmi.student_preference.language", learner.Language);
addDataModelValue(dataModelValuesBuffer, "cmi.student_preference.speed", GetRteFloat(learner.DeliverySpeed));
addDataModelValue(
dataModelValuesBuffer, "cmi.student_preference.text", GetRteAudioCaptioning(learner.AudioCaptioning));
// Interactions
int numInterations = dm.Interactions.Count;
addDataModelValue(
dataModelValuesBuffer,
"cmi.interactions._count",
numInterations.ToString(NumberFormatInfo.InvariantInfo));
int count = 0;
foreach (Interaction interaction in dm.Interactions)
{
n = XmlConvert.ToString(count);
// Not intuitive: interaction.n.id, time, weighting, student_response and type are write only in Scorm 1.2, so don't add them here.
int numObjectives = interaction.Objectives.Count;
for (int j = 0; j < numObjectives; j++)
{
InteractionObjective obj = interaction.Objectives[j];
addDataModelValue(
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.interactions.{0}.objectives.{1}.id", n, RteIntValue(j)),
obj.Id);
}
addDataModelValue(
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.interactions.{0}.objectives._count", n),
RteIntValue(numObjectives));
int numResponses = interaction.CorrectResponses.Count;
addDataModelValue(
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.interactions.{0}.correct_responses._count", n),
RteIntValue(numResponses));
for (int resI = 0; resI < numResponses; resI++)
{
CorrectResponse response = interaction.CorrectResponses[resI];
if (response.Pattern != null)
{
addDataModelValue(
dataModelValuesBuffer,
ResHelper.FormatInvariant("cmi.interactions.{0}.correct_responses.{1}.pattern", n, RteIntValue(resI)),
response.Pattern);
}
}
count++;
} // end interactions
return(new DataModelValues(new PlainTextString(dataModelValuesBuffer.ToString())));
}
