MoodleQuestionDomainModel.txt

@startuml
skinparam style strictuml
hide methods
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title Domain (Data) Model for Moodle Quiz questions (XML)
class "Quiz" as Q {
}
class "Category" as C {
 name : Text
}

class "Non-Hierarchical\nCategory" as NHC {
  tagName : Text
}
note left: a.k.a. "Tag"

abstract class "Question" as AQ {
  name : Text
  questionText : RichText
  generalFeedback : RichText
}
class "MultipleChoiceQuestion" as MCQ  extends AQ {
  isShuffled : boolean
 onlyOneAnswerAllowed : boolean
}

class "MultipleChoiceAnswer" as MCA   {
 isCorrect : boolean
 answer : RichText
 feedback : Text
}
MCQ "1" -- "*" MCA : Has >

class "TrueFalseQuestion" as TFQ extends AQ {
}

class "TrueFalseAnswer" as TFA {
 isTrue : boolean
 percentWeight : integer
 feedback : Text
}

note bottom
percentWeight indicates 
correctness e.g.(100=correct,
0=incorrect)
end note

TFQ "1" -- "2" TFA : Has >



class "MatchingQuestion" as MQ extends AQ {
isShuffled : boolean
}
class "MatchedPair" as SQ {
 question : Text
 answer : Text
}
MQ "1" -- "*" SQ : Has >

class "ShortAnswerQuestion" as SAQ extends AQ {
}

class "ShortAnswer" as SA {
 text : Text 
 percentWeight : integer
 feedback : Text
}

SAQ "1" -- "*" SA : Has >

class "Numerical" as NQ extends AQ {
}
class "NumericalAnswer" as NA {
 percentWeight : integer
 numericalAnswer : Text
 feedback : Text
}

NQ "1" -- "*" NA : Has >

class "Essay" as EQ extends AQ {
}

Q "1" -- "*" AQ : Asks >
AQ "*" - "1" C : Belongs-to >
AQ "*" -left- "*" NHC : Belongs-to >

legend center
To synchronize with [[http://docs.moodle.org/en/Moodle_XML_format]]
TODO: Add missing-word questions to model
endlegend

@enduml