static void Main(string[] args)
{
// [1] 그냥 호출
Driver.Right();
Driver.Left();
Driver.Boost();
Console.WriteLine();
// [2] 대리자 선언 할당 같이
//Driver driver = new Driver(); // static으로 만들면 인스턴트 만들지 X
// 집가는 대리자 생성
GoHome goHome = new GoHome(Driver.Left);
goHome += Driver.Right;
goHome += Driver.Boost;
goHome.Invoke();
Console.WriteLine();
//[3] 대리자 선언, 할당 따로
Meeting meeting;
meeting = new Meeting(Hi);
meeting += LTNS;
meeting();
Console.WriteLine();
//[4] 스태틱 메서드 아닐때
Insa insa = new Insa();
Meeting meeting2 = new Meeting(insa.Bye); // 다른 대리자는 인스턴트 이름 다르게 생성
meeting2();
}
private void GoHomeButton_Click(object sender, EventArgs e)
{
this.Dismiss();
GoHome?.Invoke(this, new EventArgs());
}
private void buttonAddQuestion_Click(object sender, RoutedEventArgs e)
{
if (question.Id == 0)
{
bool dateCheck = true;
foreach (var item in questionsRepo.Data)
{
if ((DateTime)datePicker.SelectedDate == item.Date)
{
dateCheck = false;
break;
}
}
if (dateCheck && (DateTime)datePicker.SelectedDate >= DateTime.Now.Date)
{
List <Answer> newAnswers = new List <Answer>();
if (!String.IsNullOrEmpty(textBoxQuestionText.Text))
{
var newDate = (DateTime)datePicker.SelectedDate;
var newQuestion = new Question
{
Date = newDate.Date,
Text = textBoxQuestionText.Text,
Explanation = textBoxExplanation.Text,
};
int textCount = 0;
int checkCount = 0;
int checkNull = 0;
List <Answer> answers = new List <Answer>
{
new Answer
{
Text = textBox1.Text,
IsCorrect = (bool)checkBox1.IsChecked
},
new Answer
{
Text = textBox2.Text,
IsCorrect = (bool)checkBox2.IsChecked
},
new Answer
{
Text = textBox3.Text,
IsCorrect = (bool)checkBox3.IsChecked
},
new Answer
{
Text = textBox4.Text,
IsCorrect = (bool)checkBox4.IsChecked
}
};
foreach (var item in answers)
{
if (!String.IsNullOrEmpty(item.Text))
{
textCount++;
}
if (item.IsCorrect)
{
checkCount++;
}
if (String.IsNullOrEmpty(item.Text) && item.IsCorrect)
{
checkNull++;
}
}
if (textCount > 0)
{
if (checkCount > 0)
{
if (checkNull == 0)
{
foreach (var item in answers)
{
if (!String.IsNullOrEmpty(item.Text))
{
newAnswers.Add(item);
}
}
newQuestion.Answers = newAnswers;
questionsRepo.AddItem(newQuestion);
MessageBox.Show("Your question was successefully added", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
GoHome?.Invoke();
}
else
{
MessageBox.Show("You can't pick empty answer as a correct one", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question without choosing at least one correct answer", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question without answers", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question without text", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question for this date", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
//редактирование вопроса и ответов к нему
else
{
bool dateCheck = true;
if (question.Date != (DateTime)datePicker.SelectedDate)
{
foreach (var item in questionsRepo.Data)
{
if ((DateTime)datePicker.SelectedDate == item.Date)
{
dateCheck = false;
break;
}
}
}
if (dateCheck && (DateTime)datePicker.SelectedDate >= DateTime.Now.Date)
{
List <Answer> answers = new List <Answer>();
question.Date = (DateTime)datePicker.SelectedDate;
question.Explanation = textBoxExplanation.Text;
question.Text = textBoxQuestionText.Text;
if (!String.IsNullOrEmpty(question.Text))
{
var checkBoxes = GetCheckBoxes();
bool res = true;
int checkNull = 0;
int textCount = 0;
var removeAnswers = new List <Answer>();
foreach (var answer in question.Answers)
{
CheckBox cb = checkBoxes.FirstOrDefault(c => chbAnswerDict[c.Name] == answer.Id);
var tb = cb.Content as TextBox;
if (!String.IsNullOrEmpty(tb.Text))
{
textCount++;
answer.Text = tb.Text;
answer.IsCorrect = (bool)cb.IsChecked;
if ((bool)cb.IsChecked)
{
checkNull++;
}
//answerRepo.EditItem(answer, answer.Id);
}
else if ((bool)cb.IsChecked)
{
MessageBox.Show("You can't pick empty answer as a correct one", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
res = false;
}
else
{
removeAnswers.Add(answer);
}
checkBoxes.Remove(cb);
}
if (checkBoxes.Count() > 0)
{
foreach (var cb in checkBoxes)
{
var tb = cb.Content as TextBox;
if (!String.IsNullOrEmpty(tb.Text))
{
var newAnswer = new Answer
{
Text = tb.Text,
IsCorrect = (bool)cb.IsChecked
};
if ((bool)cb.IsChecked)
{
checkNull++;
}
textCount++;
question.Answers.Add(newAnswer);
}
else if ((bool)cb.IsChecked)
{
MessageBox.Show("You can't pick empty answer as a correct one", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
res = false;
}
}
}
if (textCount > 0)
{
if (checkNull > 0)
{
if (res)
{
foreach (var item in removeAnswers)
{
question.Answers.Remove(item);
answerRepo.RemoveItem(item);
}
questionsRepo.EditItem(question, question.Id);
MessageBox.Show("Your question was successefully edited", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
GoHome?.Invoke();
}
}
else
{
MessageBox.Show("You can't create question without choosing at least one correct answer", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question without answers", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question without text", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
else
{
MessageBox.Show("You can't create question for this date", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}