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Class: SCORMStorage

Numbas.storage.SCORMStorage

new SCORMStorage()

SCORM storage object - controls saving and loading of data from the LMS.

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Extends

Members

exam :Numbas.Exam

Reference to the Numbas.Exam object for the current exam.

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lmsConnected :boolean

Indicates whether a true SCORM connection to an LMS exists.

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mode

Mode the session started in:

  • ab-initio - starting a new attempt;
  • resume - loaded attempt in progress.
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partIndices :Object.<number>

Dictionary mapping Numbas.parts.partpath ids to cmi.interaction indices.

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questionIndices :Object.<number>

Dictionary mapping question ids (of the form qN) to cmi.objective indices.

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suspendData :Numbas.storage.exam_suspend_data

The last cmi.suspend_data object.

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Methods

adviceDisplayed(question)

Record that the student displayed question advice.

Parameters:
Name Type Description
question Numbas.Question
Overrides:
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answerRevealed(question)

Record that the student revealed the answers to a question.

Parameters:
Name Type Description
question Numbas.Question
Overrides:
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changeQuestion(question)

Call this when the student moves to a different question.

Parameters:
Name Type Description
question Numbas.Question
Overrides:
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diagnosticSuspendData() → {object}

Create suspend data to do with diagnostic mode.

Returns:
Type Description
object
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end()

Call this when the exam ends.

Overrides:
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examSuspendData() → {object}

Suspend data for the exam - all the other stuff that doesn't fit into the standard SCORM data model.

Returns:
Type Description
object
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get(key) → {string}

Get a SCORM data model element.

Parameters:
Name Type Description
key string

Element name. This is prepended with cmi..
Returns:
Type Description
string
  • The value of the element.
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getDurationExtension() → {object}

Get an externally-set extension to the exam duration.

Returns:
Type Description
object
Overrides:
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getEntry() → {string}

Get entry state: ab-initio, or resume.

Returns:
Type Description
string
Overrides:
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getMode() → {string}

Get viewing mode:

  • browse - see exam info, not questions;
  • normal - sit exam;
  • review - look at completed exam.
Returns:
Type Description
string
Overrides:
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getPartId(part) → {string}

Make an id string corresponding to a part, of the form qNpXgYsZ.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
string
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getPartStorage(p) → {Numbas.storage.partTypeStorage}

Get the relevant part storage methods for the given part.

Parameters:
Name Type Description
p Numbas.parts.Part
Returns:
Type Description
Numbas.storage.partTypeStorage
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getQuestionId(question) → {string}

Make an id string corresponding to a question, of the form qN, where N is the question's number.

Parameters:
Name Type Description
question Numbas.Question
Returns:
Type Description
string
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getStudentID() → {string}

Get the student's ID.

Returns:
Type Description
string
Overrides:
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getSuspendData() → {Numbas.storage.exam_suspend_data}

Get the suspend data from the SCORM data model.

Returns:
Type Description
Numbas.storage.exam_suspend_data
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get_initial_seed()

Get the initial seed value.

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get_student_name()

Load student's name and ID.

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init(exam)

Initialise the SCORM data model and this storage object.

Parameters:
Name Type Description
exam Numbas.Exam
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initPart(p)

Initialise a part - make an interaction for it, and set up correct responses.

Parameters:
Name Type Description
p Numbas.parts.Part
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initQuestion(q)

Initialise a question - make an objective for it, and initialise all its parts.

Parameters:
Name Type Description
q Numbas.Question
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load(exam) → {Numbas.storage.exam_suspend_data}

Get suspended exam info.

Parameters:
Name Type Description
exam Numbas.Exam
Returns:
Type Description
Numbas.storage.exam_suspend_data
Overrides:
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(abstract) loadExtensionPart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.ExtensionPart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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(abstract) loadJMEPart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.JMEPart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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(abstract) loadMatrixEntryPart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.MatrixEntryPart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
Inherited From:
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(abstract) loadMultipleResponsePart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.MultipleResponsePart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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(abstract) loadNumberEntryPart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.NumberEntryPart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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loadPart(part) → {Numbas.storage.part_suspend_data}

Get suspended info for a part.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
Overrides:
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(abstract) loadPatternMatchPart(part) → {Numbas.storage.part_suspend_data}

Load a Numbas.parts.PatternMatchPart.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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loadQuestion(question) → {Numbas.storage.question_suspend_data}

Get suspended info for a question.

Parameters:
Name Type Description
question Numbas.Question
Returns:
Type Description
Numbas.storage.question_suspend_data
Overrides:
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loadVariables(vobj, scope) → {Object.<Numbas.jme.token>}

Load a dictionary of JME variables.

Parameters:
Name Type Description
vobj Object.<JME>
scope Numbas.jme.Scope
Returns:
Type Description
Object.<Numbas.jme.token>
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partAnswered(part)

Call this when a part is answered.

Parameters:
Name Type Description
part Numbas.parts.Part
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partPath(part) → {string}

The 'interactions.N.' prefix for the given part's datamodel elements.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
string
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partSuspendData(part) → {Numbas.storage.part_suspend_data}

Create suspend data object for a part.

Parameters:
Name Type Description
part Numbas.parts.Part
Returns:
Type Description
Numbas.storage.part_suspend_data
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pause()

Call this when the exam is paused.

Overrides:
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questionSubmitted(question)

Record that a question has been submitted.

Parameters:
Name Type Description
question Numbas.Question
Overrides:
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questionSuspendData(question) → {Numbas.storage.question_suspend_data}

Create suspend data object for a question.

Parameters:
Name Type Description
question Numbas.Question
Returns:
Type Description
Numbas.storage.question_suspend_data
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resume()

Call this when the exam is resumed.

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reviewModeAllowed() → {boolean}

Is review mode allowed?

Returns:
Type Description
boolean
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save()

Save SCORM data - call the SCORM commit method to make sure the data model is saved to the server.

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saveExam(exam)

Save exam-level details.

Parameters:
Name Type Description
exam Numbas.Exam
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saveQuestion(question)

Save details about a question - save score and success status.

Parameters:
Name Type Description
question Numbas.Question
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set(key, value) → {boolean}

Set a SCORM data model element.

Parameters:
Name Type Description
key string

Element name. This is prepended with cmi..
value string

Element value.
Returns:
Type Description
boolean
  • Did the call succeed?
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setSessionTime()

Record duration of the current session.

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setSuspendData()

Save the exam suspend data using the cmi.suspend_data string.

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start()

Call this when the exam is started (when Numbas.Exam#begin runs, not when the page loads).

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stepsHidden(part)

Record that the student hid the steps for a part.

Parameters:
Name Type Description
part Numbas.parts.Part
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stepsShown(part)

Record that the student showed the steps for a part.

Parameters:
Name Type Description
part Numbas.parts.Part
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storeStagedAnswer(part)

Save the staged answer for a part. Note: this is not part of the SCORM standard, so can't rely on this being saved.

Parameters:
Name Type Description
part Numbas.parts.Part
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variablesSuspendData(variables, scope) → {Object.<JME>}

Create suspend data object for a dictionary of JME variables.

Parameters:
Name Type Description
variables Object.<Numbas.jme.token>
scope Numbas.jme.Scope
Returns:
Type Description
Object.<JME>
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