private void Del_Click(object sender, RoutedEventArgs e)
{
try
{
int selectedindex = DataGrid.SelectedIndex;
if (selectedindex == -1)
{
MessageBox.Show("Для удаления нужно что-то выбрать");
}
else
{
Serialization ser = new Serialization();
List <Authorization> list = ser.Deserialize();
List <int> index = new List <int>();
for (int i = 0; i < list.Count; i++)
{
try
{
Students s = list[i].User as Students;
foreach (var row in DataGrid.SelectedItems)
{
Student st = row as Student;
if (st.Sername == s.Sername && st.Name == s.Name && s.Group == st.Group && st.Patronymic == s.Patronymic)
{
Object stud = new Students("-1", "-1", "-1", "-1", "-1", -1);
Authorization x = new Authorization("-1", "-1", stud);
HistoryOfChanges hist = new HistoryOfChanges(list[i], x);
P.History.Add(hist);
P.MakeIt10();
foreach (Authorization X in list)
{
try
{
Teacher te = (Teacher)X.User;
if (P.Name == te.Name && P.Sername == te.Sername && P.Subject == te.Subject && P.Patronymic == te.Patronymic)
{
te.History = P.History;
}
}
catch { }
}
arj.Remove(st);
index.Add(i);
break;
}
}
}
catch
{
}
}
for (int i = 0; i < index.Count; i++)
{
list.RemoveAt(index[i]);
}
DataGrid.ItemsSource = null;
DataGrid.ItemsSource = arj;
ser.Serialize(list);
}
}catch { MessageBox.Show("Что-то пошло не так.. Попробуйте удалить данные в отдельном окне.", "Ошибка", MessageBoxButton.OK, MessageBoxImage.Error); }
}
private void Show_Click(object sender, RoutedEventArgs e)
{
if (P == null)
{
NavigationService.Navigate(new Entrance()); return;
}
if (Group.Text == "")
{
MessageBox.Show("Выберите группу!", "", MessageBoxButton.OK, MessageBoxImage.Exclamation);
return;
}
List <Authorization> list = new List <Authorization>();
Serialization ser = new Serialization();
list = ser.Deserialize();
//List<string> sername = new List<string>();
//Authorization a;
//for (int i = 0; i < list.Count; i++)
//{
// try
// {
// Students st = (Students)list[i].User;
// sername.Add(st.Sername);
// }
// catch { }
//}
//sername.Sort();
//for (int i = 0; i < sername.Count; i++)
//{
// for (int j = 0; j < list.Count; j++)
// {
// try
// {
// Students st = (Students)list[j].User;
// if (st.Sername == sername[i])
// {
// a = list[j];
// list[j] = list[i];
// list[i] = a;
// }
// }
// catch { }
// }
//}
arj.Clear();
foreach (Authorization el in list)
{
try
{
Students student = (Students)el.User;
if (student.Group == Group.Text)
{
Student st = new Student(P.Subject, student);
arj.Add(st);
}
}
catch
{
}
}
if (arj.Count == 0)
{
MessageBox.Show("Студенты не найдены", "", MessageBoxButton.OK);
DataGrid.ItemsSource = null;
SaveChanges.IsEnabled = false;
return;
}
DataGrid.ItemsSource = null;
DataGrid.ItemsSource = arj;
group = Group.Text;
mark = -1;
fio = null;
SaveChanges.IsEnabled = DataGrid.ItemsSource != null;
}
private void Search_Click(object sender, RoutedEventArgs e)
{
if (P == null)
{
NavigationService.Navigate(new Entrance()); return;
}
Group.Text = "";
group = "";
if (FIO.Text == "" && Mark.Text == "")
{
MessageBox.Show("Для того, чтобы воспользоваться поиском, заполните все поля", "", MessageBoxButton.OK, MessageBoxImage.Exclamation); return;
}
if (FIO.Text != "" && Mark.Text == "")
{
string[] mas = FIO.Text.Split(new char[] { ' ' });
if (mas.Length != 3)
{
MessageBox.Show("Введите правильно ФИО", "", MessageBoxButton.OK); return;
}
fio = mas;
arj.Clear();
List <Authorization> list = new Serialization().Deserialize();
foreach (Authorization el in list)
{
try
{
Students student = (Students)el.User;
if (mas[0] == student.Sername && mas[1] == student.Name && mas[2] == student.Patronymic)
{
Student st = new Student(P.Subject, student);
arj.Add(st);
}
}
catch
{
}
}
}
else
{
if (FIO.Text == "" && Mark.Text != "")
{
mark = int.Parse(Mark.Text);
arj.Clear();
List <Authorization> list = new Serialization().Deserialize();
foreach (Authorization el in list)
{
try
{
Students student = (Students)el.User;
if (int.Parse(Mark.Text) == student.GetMark(P.Subject))
{
Student st = new Student(P.Subject, student);
arj.Add(st);
}
}
catch
{
}
}
}
else
{
if (FIO.Text != "" && Mark.Text != "")
{
string[] mas = FIO.Text.Split(new char[] { ' ' });
if (mas.Length != 3)
{
MessageBox.Show("Введите правильно ФИО", "", MessageBoxButton.OK); return;
}
fio = mas;
mark = int.Parse(Mark.Text);
arj.Clear();
List <Authorization> list = new Serialization().Deserialize();
foreach (Authorization el in list)
{
try
{
Students student = (Students)el.User;
if (mas[0] == student.Sername && mas[1] == student.Name && mas[2] == student.Patronymic && int.Parse(Mark.Text) == student.GetMark(P.Subject))
{
Student st = new Student(P.Subject, student);
arj.Add(st);
}
}
catch
{
}
}
}
}
}
if (arj.Count == 0)
{
MessageBox.Show("Студенты не найдены", "", MessageBoxButton.OK);
DataGrid.ItemsSource = null;
SaveChanges.IsEnabled = false;
return;
}
DataGrid.ItemsSource = null;
DataGrid.ItemsSource = arj;
FIO.Text = "";
Mark.Text = "";
SaveChanges.IsEnabled = DataGrid.ItemsSource != null;
}
private void SaveChanges_Click(object sender, RoutedEventArgs e)
{
//try
//{
if (P == null)
{
NavigationService.Navigate(new Entrance()); return;
}
Serialization ser = new Serialization();
List <Authorization> list = ser.Deserialize();
List <Students> listOfStudents = new List <Students>();
foreach (Authorization el in list)
{
try
{
Students student = (Students)el.User;
if (group != "")
{
if (student.Group == group)
{
listOfStudents.Add(student);
}
}
else
{
if (fio != null && mark == -1)
{
if (student.Sername == fio[0] && student.Name == fio[1] && student.Patronymic == fio[2])
{
listOfStudents.Add(student);
}
}
else
{
if (fio == null && mark >= 0 && mark == student.GetMark(P.Subject))
{
listOfStudents.Add(student);
}
else
{
if (fio != null && mark >= 0 && student.Sername == fio[0] && student.Name == fio[1] && student.Patronymic == fio[2] && mark == student.GetMark(P.Subject))
{
listOfStudents.Add(student);
}
}
}
}
}
catch
{
}
}
int t = 1;
int m;
for (int i = 0; i < listOfStudents.Count; i++)
{
if ((arj[i].Group == "ББИ161" || arj[i].Group == "ББИ162" || arj[i].Group == "ББИ163" || arj[i].Group == "ББИ164" || arj[i].Group == "ББИ165" || arj[i].Group == "ББИ166" || arj[i].Group == "ББИ167" || arj[i].Group == "ББИ168") == false || (0 <= arj[i].Mark && arj[i].Mark <= 10) == false)
{
MessageBox.Show("Изменения должны быть корректными", "!", MessageBoxButton.OK, MessageBoxImage.Exclamation); return;
}
if (arj[i].Name == "" || arj[i].Sername == "" || arj[i].Patronymic == "")
{
MessageBox.Show("Не оставляйте поля пустыми", "!", MessageBoxButton.OK, MessageBoxImage.Exclamation); return;
}
try
{
m = int.Parse(arj[i].Name);
t = 0;
}
catch
{
}
try
{
m = int.Parse(arj[i].Sername);
t = 0;
}
catch
{
}
try
{
m = int.Parse(arj[i].Patronymic);
t = 0;
}
catch
{
}
if (t == 0)
{
MessageBox.Show("ФИО должны быть записаны буквами", "!", MessageBoxButton.OK, MessageBoxImage.Exclamation); return;
}
int _mark;
switch (P.Subject)
{
case "Программирование":
_mark = listOfStudents[i].marks.Programming;
break;
case "Экономика":
_mark = listOfStudents[i].marks.Economics;
break;
case "Математический анализ":
_mark = listOfStudents[i].marks.Mathematical_analysis;
break;
default:
_mark = 0;
break;
}
Authorization StudentBefore;
Authorization StudentAfter;
if (listOfStudents[i].Name != arj[i].Name || listOfStudents[i].Sername != arj[i].Sername || listOfStudents[i].Patronymic != arj[i].Patronymic || listOfStudents[i].Group != arj[i].Group || _mark != arj[i].Mark)
{
for (int x = 0; x < list.Count; x++)
{
try
{
Students s = (Students)list[x].User;
if (listOfStudents[i] == s)
{
StudentBefore = list[x];
Students st = new Students(arj[i].Sername, arj[i].Name, arj[i].Patronymic, arj[i].Group, P.Subject, arj[i].Mark);
switch (P.Subject)
{
case "Программирование":
st.marks.Economics = s.marks.Economics;
st.marks.Mathematical_analysis = s.marks.Mathematical_analysis;
break;
case "Экономика":
st.marks.Programming = s.marks.Programming;
st.marks.Mathematical_analysis = s.marks.Mathematical_analysis;
break;
case "Математический анализ":
st.marks.Programming = s.marks.Programming;
st.marks.Economics = s.marks.Economics;
break;
default:
break;
}
StudentAfter = new Authorization(list[x].Login, list[x].Password, st);
HistoryOfChanges hist = new HistoryOfChanges(StudentBefore, StudentAfter);
P.History.Add(hist);
P.MakeIt10();
list.Remove(StudentBefore);
list.Add(StudentAfter);
//int g=-1;
//for(int h=0; h<list.Count; h++)
//{
// try
// {
// Students stud = (Students)list[i].User;
// Students stu = StudentBefore.User as Students;
// if (stud.Name == stu.Name && stud.Sername == stu.Sername && stud.Group == stu.Group && stud.Patronymic == stu.Patronymic)
// {
// g = h;
// }
// }
// catch { }
//}
//if (g==-1)
//{
// MessageBox.Show("Всё плохо");
// return;
//}
foreach (Authorization X in list)
{
try
{
Teacher te = (Teacher)X.User;
if (P.Name == te.Name && P.Sername == te.Sername && P.Subject == te.Subject && P.Patronymic == te.Patronymic)
{
te.History = P.History;
}
}
catch { }
}
}
}
catch
{
}
}
}
int pr = listOfStudents[i].marks.Programming, ec = listOfStudents[i].marks.Economics, ma = listOfStudents[i].marks.Mathematical_analysis;
listOfStudents[i] = new Students(arj[i].Sername, arj[i].Name, arj[i].Patronymic, arj[i].Group, P.Subject, arj[i].Mark);
switch (P.Subject)
{
case "Программирование":
listOfStudents[i].marks.Mathematical_analysis = ma;
listOfStudents[i].marks.Economics = ec;
break;
case "Экономика":
listOfStudents[i].marks.Programming = pr;
listOfStudents[i].marks.Mathematical_analysis = ma;
break;
case "Математический анализ":
listOfStudents[i].marks.Programming = pr;
listOfStudents[i].marks.Economics = ec;
break;
}
// listOfStudents[i].Name = arj[i].Name;
// listOfStudents[i].Sername = arj[i].Sername;
// listOfStudents[i].Patronymic = arj[i].Patronymic;
// listOfStudents[i].Group = arj[i].Group;
// switch (P.Subject)
// {
// case "Программирование":
// listOfStudents[i].marks.Programming = arj[i].Mark;
// break;
// case "Экономика":
// listOfStudents[i].marks.Economics = arj[i].Mark;
// break;
// case "Математический анализ":
// listOfStudents[i].marks.Mathematical_analysis = arj[i].Mark;
// break;
// default:
// break;
// }
}
List <string> sername = new List <string>();
Authorization a;
for (int i = 0; i < list.Count; i++)
{
try
{
Students st = (Students)list[i].User;
sername.Add(st.Sername);
}
catch { }
}
sername.Sort();
for (int i = 0; i < sername.Count; i++)
{
for (int j = 0; j < list.Count; j++)
{
try
{
Students st = (Students)list[j].User;
if (st.Sername == sername[i])
{
a = list[j];
list[j] = list[i];
list[i] = a;
}
}
catch { }
}
}
ser.Serialize(list);
//}
//catch
//{
// MessageBox.Show("Произошла ошибка, возможно, Вы неккоректно ввели данные","Ошибка", MessageBoxButton.OK,MessageBoxImage.Error);
//}
}
