public TestsViewModel(
ITestQuery queries,
ITests commands,
ISubjectQuery subjectQuery,
IValidator<Test> testValidator,
IValidator<Question> questionValidator,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator
)
: base()
{
_queries = queries;
_commands = commands;
_subjectQuery = subjectQuery;
_testValidator = testValidator;
_questionValidator = questionValidator;
_answerValidator = answerValidator;
_subjectValidator = subjectValidator;
LoadAllTests();
_addTestCommand = new RelayCommand(
() => AddNewTest(),
() => CanAddNewTest()
);
}
public AnswersViewModel(
IEnumerable<Answer> answers,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery,
Guid busId)
{
if (answerValidator == null)
throw new ArgumentNullException("answerValidator");
if (subjectValidator == null)
throw new ArgumentNullException("subjectValidator");
if (subjectQuery == null)
throw new ArgumentNullException("subjectQuery");
_busId = busId;
_answerValidator = answerValidator;
_subjectValidator = subjectValidator;
_subjectQuery = subjectQuery;
InitializeAnswers(answers);
InitializeCommands();
}
public DefaultTestEvaluator(ISubjectQuery subjects, TextLoader textLoader, ILogger logger)
{
_subjects = subjects;
_logger = logger;
_textLoader = textLoader;
InitializeSubjects();
}
public SubjectsViewModel(ISubjectQuery subjectQueries, ISubjects subjectCommands, IValidator<Subject> subjectValidator)
: base()
{
_commands = subjectCommands;
_queries = subjectQueries;
_subjects = new ObservableCollection<ViewModelBase>();
_subjectValidator = subjectValidator;
LoadSubjects();
this.IsDirtyChangedEvent += new EventHandler(IsDirtyChangedHandler);
MessengerInstance.Register<Messages.Navigating>(this, "SubjectsView", msg => Cleanup());
}
public AnswerViewModel(
Answer answer,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery,
Guid busId)
{
_answer = answer;
_busId = busId;
_answerValidator = answerValidator;
_subjectValidator = subjectValidator;
_subjectQuery = subjectQuery;
InitializeCommands();
InitializeSubjects();
_logger.Log(Level.Trace, "Created a new answer");
}
public QuestionViewModel(
Question question,
IValidator<Question> questionValidator,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery,
Guid busId
)
: base()
{
_busId = busId;
_question = question;
_questionValidator = questionValidator;
_answerValidator = answerValidator;
_subjectValidator = subjectValidator;
_subjectQuery = subjectQuery;
InitializeCommands();
InitializeAnswers();
}
public EditingTestViewModel(
Test test,
IValidator<Test> testValidator,
IValidator<Question> questionValidator,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery
)
{
if (test == null)
throw new ArgumentNullException("test");
_busId = test.Id;
_test = test;
_testValidator = testValidator;
InitializeQuestions(test, questionValidator, answerValidator, subjectValidator, subjectQuery);
this.PropertyChanged += PropertyHasChanged;
RegisterMessages();
IntializeCommands();
}
public AssociatedSubjectsViewModel(
IEnumerable<AssociatedSubject> subjects,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectsQuery,
Guid busId)
{
if (subjectsQuery == null)
throw new ArgumentNullException("subjectsQuery");
if (subjectValidator == null)
throw new ArgumentNullException("subjectValidator");
if (subjects == null)
throw new ArgumentNullException("subjects");
_busId = busId;
_subjectQuery = subjectsQuery;
_subjectValidator = subjectValidator;
_subjectQuery = subjectsQuery;
InitializeSubjects(subjects);
InitializeCommands();
}
public QuestionsViewModel(
IEnumerable<Domain.Question> questions,
IValidator<Question> questionValidator,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery,
Guid busId
)
: base()
{
_busId = busId;
_questions =
new ObservableCollection<QuestionViewModel>();
_questionValidator = questionValidator;
_answerValidator = answerValidator;
_subjectValidator = subjectValidator;
_subjectQuery = subjectQuery;
BuildViewModels(questions);
InitializeCommands();
InitializeView();
}
public override void Cleanup()
{
//stop listening for the dirty event
IsDirtyChangedEvent -= IsDirtyChangedHandler;
//release singletons
_queries = null;
_commands = null;
_subjectValidator = null;
//clean the list
var editingViewModels = _subjects.OfType<EditingSubjectViewModel>().ToList();
var subjectViewModels = _subjects.OfType<SubjectViewModel>().ToList();
for (int i = 0; i < editingViewModels.Count; i++)
{
var vm = editingViewModels[0];
UnhookEvents(vm);
vm.Cleanup();
}
for (int i = 0; i < subjectViewModels.Count; i++)
{
var vm = subjectViewModels[0];
UnhookEvents(vm);
vm.Cleanup();
}
for (int i = 0; i < _subjects.Count; i++)
{
var vm = _subjects[0];
vm.Cleanup();
}
//call base cleanup
base.Cleanup();
}
private void InitializeQuestions(
Test test,
IValidator<Question> questionValidator,
IValidator<Answer> answerValidator,
IValidator<AssociatedSubject> subjectValidator,
ISubjectQuery subjectQuery
)
{
_questions = new QuestionsViewModel(
test.Questions,
questionValidator,
answerValidator,
subjectValidator,
subjectQuery,
_busId
);
AttachQuestionEvents(_questions);
}
