public ViewModelsFactory(ILoginManager loginManager, IRegisterManager registerManager,
IEducationMaterialsManager educationMaterialsManager, IEducationTasksManager tasksManager,
IStudentsManager studentsManager, ITeachersManager teachersManager, IEducationTaskExaminationManager education)
{
_loginManager = loginManager;
_registerManager = registerManager;
_educationMaterialsManager = educationMaterialsManager;
_tasksManager = tasksManager;
_studentsManager = studentsManager;
_teachersManager = teachersManager;
_education = education;
}
public TaskDetailsWindowViewModel(StudentEducationTask task, IEducationTasksManager tasksManager, IEducationTaskExaminationManager examination)
{
Theme = task.Material.Theme;
_random = new Random();
Questions = new ObservableCollection <QuestionSelectorViewModel>(task.Questions.Select(i => new QuestionSelectorViewModel(i, _random)));
CurrentQuestion = Questions.First();
_prev = new DelegateCommand(() => {
var index = Questions.IndexOf(CurrentQuestion);
if (index > 0)
{
CurrentQuestion.Check();
CurrentQuestion = Questions[--index];
CurrentQuestionNumber = ++index;
}
}, () => CurrentQuestionNumber - 1 > 0);
_next = new DelegateCommand(() => {
var index = Questions.IndexOf(CurrentQuestion);
if (index < Questions.Count - 1)
{
CurrentQuestion.Check();
CurrentQuestion = Questions[++index];
CurrentQuestionNumber = ++index;
}
}, () => CurrentQuestionNumber - 1 < Questions.Count - 1);
Finish = new DelegateCommand(() => {
var result = examination.Examine(task, Questions.Select(i => new KeyValuePair <TaskQuestion, string>(task.Questions.FirstOrDefault(j => j.Question.Trim() == i.Question.Trim()), i.CurrentAnswer)));
tasksManager.Insert(result);
if (ViewService.GetIfOpened(out var view, this))
{
view.Close();
ViewService.Message($"Ваша оценка {result.Solution.Mark}");
}
});
SelectAnswer = new DelegateCommand <string>((param) => CurrentQuestion.CurrentAnswer = param);
CurrentQuestionNumber = 1;
}
