예제 #1
0
        public MatchingQuestionPage(Test test, int currentQuestion, Models.TestSolving.TestResults testResults)
        {
            this.testResults = testResults;
            this.test        = test;
            this.curQ        = currentQuestion;
            startTime        = DateTime.Now;
            answered         = false;

            InitializeComponent();

            MatchingQuestion question = (MatchingQuestion)test[curQ];

            BindingContext = vm = new ViewModels.TestSolving.MatchingQSolveViewModel {
                Lefts = new ObservableCollection <QPart>(
                    question.Lefts.Select((text) => new QPart {
                    Text = text
                })
                    ),
                Rights = new ObservableCollection <QPart>(
                    question.Rights.Select((text) => new QPart {
                    Text = text
                })
                    ),
                Relation = new ObservableCollection <int?>(
                    question.Relation
                    )
            };

            QuestionLabel.Text = string.Join("",
                                             (curQ + 1).ToString(),
                                             ". ",
                                             test[curQ].Text
                                             );

            limit = test.TimeLimit.Value;
            if (test.Mode == Models.TimeMode.limitForQuestion)
            {
                TimeLeftBar.Progress = 1;

                Device.StartTimer(
                    TimeSpan.FromSeconds(0.1),
                    () => {
                    if (answered)
                    {
                        return(false);
                    }
                    if (PassedTime() >= limit)
                    {
                        TimeExpired();
                        return(false);
                    }

                    TimeLeftBar.Progress = (limit - PassedTime()).TotalSeconds / limit.TotalSeconds;
                    return(true);
                }
                    );
            }
            else
            {
                TimeLeftBar.Progress = (limit - testResults.UsedTime).TotalSeconds / limit.TotalSeconds;

                Device.StartTimer(
                    TimeSpan.FromSeconds(0.1),
                    () =>
                {
                    if (answered)
                    {
                        return(false);
                    }
                    if (PassedTime() + testResults.UsedTime >= limit)
                    {
                        TestTimeExpired();
                        return(false);
                    }

                    TimeLeftBar.Progress = (limit - testResults.UsedTime - PassedTime()).TotalSeconds /
                                           limit.TotalSeconds;
                    return(true);
                }
                    );
            }
        }
 protected bool Equals(MatchingQuestion other)
 {
     return(Equals(Terms, other.Terms) && Equals(Definitions, other.Definitions));
 }