示例#1
0
        private void ManageClass()
        {
            bool validDecision = false;
            int  decision      = 0;

            while (!validDecision)
            {
                Console.Clear();
                Console.WriteLine("\t\t* You are working on class management *");
                Console.WriteLine("\t\t* 1. Add class                        *");
                Console.WriteLine("\t\t* 2. Modify class                     *");
                Console.WriteLine("\t\t* 3. Display classes                  *");
                Console.WriteLine("\t\t* 4. Back to main menu                *");
                Console.WriteLine("\t\t***************************************");
                Console.Write("Enter an option(1-4): ");
                try
                {
                    decision = int.Parse(Console.ReadLine());
                }
                catch (Exception)
                {
                    decision = 0;
                }

                if (decision >= 1 && decision <= 4)
                {
                    validDecision = true;
                }
                Console.WriteLine();
                switch (decision)
                {
                case 1:
                    classManagementView.AddClass();
                    ManageClass();
                    break;

                case 2:
                    classManagementView.EditClass();
                    ManageClass();
                    break;

                case 3:
                    classManagementView.DisplayClasses();
                    Console.Write("[Enter] to continue...");
                    Console.ReadLine();
                    ManageClass();
                    break;

                case 4:
                    decision = 4;
                    Console.WriteLine("You select backing to main management selection");
                    ProcessManagementSelection();
                    break;
                }
            }
        }
        internal void WithdrawStudent()
        {
            //ConsoleKeyInfo keypress;
            if (studentController.StudentCount() == 0)
            {
                Console.WriteLine("Student list is empty. Please add some student first!");
                Console.WriteLine("[Enter] to continue...");
                Console.ReadLine();
            }
            else if (classController.ClassesCount() == 0)
            {
                Console.WriteLine("Please come back and add class first!");
                Console.WriteLine("[Enter] to continue...");
                Console.ReadLine();
            }
            else
            {
                DisplayStudent();
                Console.Write("Enter only one student id as shown above to make change for that student: ");
                string studentIdChange = Console.ReadLine();
                while (studentController.SearchStudent(studentIdChange) == null)
                {
                    Console.Write("Not found student! Enter student id again: ");
                    studentIdChange = Console.ReadLine();
                    //found = controller.FindStudent(studentIdChange);
                }
                Student student = studentController.SearchStudent(studentIdChange);

                List <Class> studentClassList = student.GetMyClasses();
                if (studentClassList.Count > 0)
                {
                    for (int i = 0; i < studentClassList.Count; i++)
                    {
                        Console.WriteLine("Class name: {0}", studentClassList[i].ToString());
                        Class myEnrolClass = studentClassList[i];

                        bool validDecision = false;
                        while (!validDecision)
                        {
                            Console.WriteLine("\t\t* 1. Edit class");
                            Console.WriteLine("\t\t* 2. Delete class");
                            Console.Write("Enter an option(1-2): ");
                            int decision = 0;
                            try
                            {
                                decision = System.Int32.Parse(Console.ReadLine());
                            }
                            catch (Exception)
                            {
                                decision = 0;
                            }
                            if (decision >= 1 && decision <= 2)
                            {
                                validDecision = true;
                            }
                            Console.WriteLine();
                            switch (decision)
                            {
                            case 1:
                                ClassManagementView cmv = new ClassManagementView(classController, courseController, lecturerController, roomController);
                                cmv.DisplayClasses();
                                Console.Write("Enter an above class name to enrol it: ");
                                string classname = Console.ReadLine();
                                while (classController.SearchClass(classname) == null)
                                {
                                    Console.Write("Not found class! Try again: ");
                                    classname = Console.ReadLine();
                                }
                                Class foundClass = classController.SearchClass(classname);
                                while (studentController.CheckClashTime(foundClass, student, classController))
                                {
                                    Console.WriteLine("You selected a class that has clashed with other classes.");
                                    Console.Write("Enter class name again: ");
                                    classname = Console.ReadLine();
                                    while (classController.SearchClass(classname) == null)
                                    {
                                        Console.Write("Not found class! Try again: ");
                                        classname = Console.ReadLine();
                                    }
                                    foundClass = classController.SearchClass(classname);
                                }
                                myEnrolClass.WithDrawStudent(student);
                                student.RemoveClass(myEnrolClass);
                                if (studentController.EnrolClass(foundClass, student, classController))
                                {
                                    Console.WriteLine("You are enrolled that class.");
                                }
                                else
                                {
                                    myEnrolClass.EnrolStudent(student);
                                    student.AddClass(myEnrolClass);
                                    Console.WriteLine("You could not enrol to that class.");
                                }
                                break;

                            case 2:
                                myEnrolClass.WithDrawStudent(student);
                                student.RemoveClass(myEnrolClass);
                                Console.WriteLine("You are withdrawn from that class.");
                                break;
                            }
                        }
                    }
                }
                else
                {
                    Console.WriteLine("There are no enrolment records for \"{0}\" student", student.Id);
                }
            }
        }