public void AddStudents(params Student[] addStudents)
{
foreach (var item in addStudents)
{
students.Add(item);
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "add new student", item));
}
}
public bool RemoveStudent(int j)
{
if (j >= students.Count || j < 1)
{
return(false);
}
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "remove student", students[j]));
students.RemoveAt(j);
return(true);
}
public void AddDefaults(int number)
{
for (int i = 0; i < number; i++)
{
string firstName = $"Name{students.Count}";
string lastName = $"LastName{students.Count}";
int group = students.Count + 5;
Student student = new Student(new Person(firstName, lastName, new DateTime()), Education.Вachelor, group);
student.AddExams(new Exam(firstName, students.Count + 3, new DateTime()));
students.Add(student);
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(Name, "add default student", student));
}
}
public void AddStudents(TKey key, params Student[] arr)
{
if (arr.Length == 0)
{
arr = new Student[0];
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(CollectionName, "Added new element", arr[0]));
}
if (list == null)
{
list = new Dictionary <TKey, Student>();
}
for (int i = 0; i < arr.Length; i++)
{
list.Add(key, arr[i]);
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(CollectionName, "Added new element", arr[i]));
StudentChanged?.Invoke(this, new StudentsChangedEventArgs <TKey>(CollectionName, Action.Add, "Added new element", key));
list[key].PropertyChanged += PropChanged;
}
}
public void AddDefaults(TKey key)
{
list.Add(key, new Student(new Person("Jane", "Crocker", new DateTime(1996, 4, 13)), Education.Вachelor, 4));
StudentsCountChanged?.Invoke(this, new StudentListHandlerEventArgs(CollectionName, "Added new default element", new Student(new Person("Jane", "Crocker", new DateTime(1996, 4, 13)), Education.Вachelor, 4)));
list[key].PropertyChanged += PropChanged;
}