private void DockPanel_ActiveContentChanged(object sender, DockContentEventArgs e)
{
if (!_contents.Contains(e.Content))
{
return;
}
if (e.Content == VisibleContent)
{
VisibleContent.Focus();
return;
}
VisibleContent = e.Content;
foreach (CrownDockContent content in _contents)
{
content.Visible = content == VisibleContent;
}
VisibleContent.Focus();
EnsureVisible();
Invalidate();
}
private void AddExamGradesView()
{
Console.Clear();
Console.Title = "---ADD EXAM GRADES---";
Console.WriteLine("Choose a student's ID");
ListOfStudentsView();
int.TryParse(Console.ReadLine(), out var studentId);
if (Students.All(x => x.ID != studentId))
{
return;
}
Console.WriteLine($"You have chosen: {Students.FirstOrDefault(x => x.ID == studentId)?.FirstName} " +
$"{Students.FirstOrDefault(x => x.ID == studentId)?.LastName}");
Console.WriteLine("Grade student's exam");
while (!AddGrade(studentId, true))
{ /*Simply go till u have a grade*/
}
VisibleContent = VisibleContent.MainMenu;
}
private void RemoveStudentView()
{
Console.Clear();
Console.Title = "---REMOVE STUDENT---";
Console.WriteLine("Choose a student's ID");
Console.WriteLine("Type 'STOP' to return to main menu");
ListOfStudentsView();
var result = Console.ReadLine();
if (result?.ToUpper() == "STOP")
{
VisibleContent = VisibleContent.MainMenu;
return;
}
int.TryParse(result, out var studentId);
if (Students.All(x => x.ID != studentId))
{
return;
}
Console.WriteLine($"Are you sure you want to remove: " +
$"{Students.FirstOrDefault(x => x.ID == studentId)?.FirstName} " +
$"{Students.FirstOrDefault(x => x.ID == studentId)?.LastName}");
Console.WriteLine("Y - yes\nN - no");
var delete = false;
while (true)
{
if (!IsAcceptOrDecline(Console.ReadLine(), out var answer))
{
continue;
}
delete = answer;
break;
}
if (delete)
{
Students.Remove(Students.FirstOrDefault(x => x.ID == studentId));
}
VisibleContent = VisibleContent.MainMenu;
}
private void ListOfStudentsView(bool showAverages = false)
{
if (showAverages)
{
Console.Clear();
Console.WriteLine("---LIST OF STUDENTS---");
Console.WriteLine($"{TextFormatter.TabulatedText("Vardas")}" +
$"{TextFormatter.TabulatedText("Pavarde")}" +
$"{TextFormatter.TabulatedText("Galutinis (vid.)")}" +
$"{TextFormatter.TabulatedText("Galutinis (med.)")}");
foreach (var student in Students.OrderBy(x => x.FirstName).ThenBy(x => x.LastName))
{
var stAverage = Math.Round(student.Average, 2);
var studentGrades = new List <double>(student.HomeworkGrades)
{
student.ExamGrade
};
studentGrades = studentGrades.OrderBy(x => x).ToList();
var gradeCount = studentGrades.Count;
var stMedian = gradeCount % 2 == 0
? (studentGrades[gradeCount / 2] + studentGrades[(gradeCount / 2) + 1]) / 2
: studentGrades[gradeCount / 2];
Console.Write($"{TextFormatter.TabulatedText(student.FirstName)}" +
$"{TextFormatter.TabulatedText(student.LastName)}" +
$"{TextFormatter.TabulatedText(stAverage.ToString(CultureInfo.InvariantCulture))}" +
$"{TextFormatter.TabulatedText(stMedian.ToString(CultureInfo.InvariantCulture))}\n");
}
Console.WriteLine("Press enter to go back");
Console.ReadLine();
VisibleContent = VisibleContent.MainMenu;
}
else
{
foreach (var student in Students)
{
Console.Write($"{TextFormatter.TabulatedText(student.ID.ToString())}{TextFormatter.TabulatedText(student.FirstName)}{TextFormatter.TabulatedText(student.LastName)}\n");
}
}
}
private void AddStudentView()
{
Console.Title = "Add student";
Console.Clear();
Console.WriteLine($"\n---ADD STUDENT---");
Console.WriteLine($"Type in a student's name and surname to add it to the list\nTo stop - type 'STOP'\n");
var input = Console.ReadLine();
if (string.IsNullOrEmpty(input))
{
return;
}
if (input?.ToUpper() == "STOP")
{
VisibleContent = VisibleContent.MainMenu;
return;
}
var inputSplit = input?.Split(" ");
if (inputSplit.Length <= 1)
{
return;
}
if (string.IsNullOrEmpty(input?.Split(" ")?[0]) ||
string.IsNullOrEmpty(input?.Split(" ")?[1]))
{
return;
}
AddStudent(input?.Split(" ")?[0], input?.Split(" ")?[1], out var exists);
if (!exists)
{
return;
}
Console.WriteLine($"Student with such first name and last name already exists.");
Console.ReadLine();
}
private void AddHomeworkGradesView()
{
Console.Clear();
Console.Title = "---ADD HOMEWORK GRADES---";
Console.WriteLine("Choose a student's ID");
Console.WriteLine("Type 'STOP' to return to main menu");
ListOfStudentsView();
var response = Console.ReadLine();
if (response?.ToUpper() == "STOP")
{
VisibleContent = VisibleContent.MainMenu;
return;
}
int.TryParse(response, out var studentId);
if (Students.All(x => x.ID != studentId))
{
return;
}
Console.WriteLine($"You have chosen: {Students.FirstOrDefault(x => x.ID == studentId)?.FirstName} " +
$"{Students.FirstOrDefault(x => x.ID == studentId)?.LastName}");
Console.WriteLine("Grade student's homework");
var result = "";
while ((result = Console.ReadLine()?.ToLower()) != "stop")
{
if (double.TryParse(result, out var grade))
{
if (grade >= 1 && grade <= 10)
{
Students.FirstOrDefault(x => x.ID == studentId)?.HomeworkGrades.Add(grade);
}
}
}
VisibleContent = VisibleContent.MainMenu;
}
private void GenerateStudentsView()
{
Console.Clear();
Console.Title = "---GENERATE STUDENTS---";
Console.WriteLine("Choose a number of student's to generate\nType 'STOP' to exit");
Console.WriteLine("1. 1 000");
Console.WriteLine("2. 10 000");
Console.WriteLine("3. 100 000");
Console.WriteLine("4. 1 000 000");
Console.WriteLine("5. 10 000 000");
var select = Console.ReadLine();
if (select?.ToLower() == "stop")
{
VisibleContent = VisibleContent.MainMenu;
return;
}
if (!int.TryParse(select, out var selectedNo))
{
GenerateStudentsView();
}
var directoryInfo = Directory
.GetParent(Directory.GetParent(Directory.GetCurrentDirectory()).FullName).Parent;
if (directoryInfo == null)
{
return;
}
var studGenerator = StudentsGenerator.New(Path.Combine(directoryInfo.FullName, "data"));
Console.WriteLine("Do you wish to order the full file using different methods? Y/N");
var orderText = Console.ReadLine();
Console.WriteLine("Do you wish to split and order the full file using different methods? Y/N");
var splitAndOrderText = Console.ReadLine();
var selectedCount = 0;
switch (selectedNo)
{
case 1:
studGenerator.GenerateStudents(1000);
selectedCount = 1000;
break;
case 2:
studGenerator.GenerateStudents(10000);
selectedCount = 10000;
break;
case 3:
studGenerator.GenerateStudents(100000);
selectedCount = 100000;
break;
case 4:
studGenerator.GenerateStudents(1000000);
selectedCount = 1000000;
break;
case 5:
studGenerator.GenerateStudents(10000000);
selectedCount = 10000000;
break;
}
if (orderText?.ToLower() == "y")
{
var stopwatch = new Stopwatch();
stopwatch.Start();
FilesManager.OrderStudentsWithList(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Ordering with list took: {stopwatch.Elapsed}");
stopwatch.Reset();
stopwatch.Start();
FilesManager.OrderStudentsWithLinkedList(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Ordering with linked list took: {stopwatch.Elapsed}");
stopwatch.Reset();
stopwatch.Start();
FilesManager.OrderStudentsWithQueue(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Ordering with queue took: {stopwatch.Elapsed}");
}
if (splitAndOrderText?.ToLower() == "y")
{
var stopwatch = new Stopwatch();
stopwatch.Start();
FilesManager.SplitStudentsWithList(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Split with list took: {stopwatch.Elapsed}");
stopwatch.Reset();
stopwatch.Start();
FilesManager.SplitStudentsWithLinkedList(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Split with linked list took: {stopwatch.Elapsed}");
stopwatch.Reset();
stopwatch.Start();
FilesManager.SplitStudentsWithQueue(Path.Combine(directoryInfo.FullName, "data"), StudentsGenerator.AllStudentsFileName, selectedCount);
stopwatch.Stop();
Console.WriteLine($"Split with queue took: {stopwatch.Elapsed}");
}
Console.ReadLine();
VisibleContent = VisibleContent.MainMenu;
}
private void ImportStudentsView()
{
try
{
var directoryInfo = Directory
.GetParent(Directory.GetParent(Directory.GetCurrentDirectory()).FullName).Parent;
if (directoryInfo == null)
{
return;
}
var workingDirectory = directoryInfo.FullName;
var dataFolder = Path.Combine(workingDirectory, "data");
var studentsFile = Path.Combine(dataFolder, "students.txt");
var studentsFileLines = File.ReadLines(studentsFile).ToList();
var firstRow = true;
var columns = new List <string>();
foreach (var line in studentsFileLines)
{
if (firstRow)
{
columns = TextFormatter.FormatLineFromFile(line);
firstRow = false;
continue;
}
var stColumns = TextFormatter.FormatLineFromFile(line);
var studId = AddStudent(stColumns[0], stColumns[1], out var exists);
if (exists)
{
foreach (var student in Students.Where(student => student.ID == studId))
{
student.HomeworkGrades = new List <double>();
student.ExamGrade = double.NaN;
}
}
foreach (var column in columns.Where(x => x.Contains("ND")))
{
try
{
AddGrade(studId, false, double.Parse(stColumns[columns.IndexOf(column)]));
}
catch (Exception e)
{
Console.WriteLine($"\nGenerated message:\n{e.Message}");
Console.WriteLine($"\nStack trace:\n{e.StackTrace}");
Console.WriteLine("\n\nContinue with skipping this grade? Y/N");
var answer = Console.ReadLine();
if (answer?.ToLower() != "y")
{
Students = Students.Where(student =>
{
return(!studentsFileLines.Any(stLine =>
{
var stLineFormatted = TextFormatter.FormatLineFromFile(stLine);
return stLineFormatted[0] == student.FirstName &&
stLineFormatted[1] == student.LastName;
}));
}).ToList();
throw;
}
else
{
continue;
}
}
}
var examIndex = columns.IndexOf("Egzaminas");
AddGrade(studId, true, double.Parse(stColumns[examIndex]));
}
}
catch (Exception e)
{
e.Data.Add("ImportStudents",
"Error possibly due to the directory not having the correct document, or it being incorrect itself");
var directoryInfo = Directory.GetParent(Directory.GetParent(Directory.GetCurrentDirectory()).FullName).Parent;
if (directoryInfo != null)
{
e.Data.Add("Requirements",
$"a folder called 'data' withing working directory (currently {directoryInfo.FullName}) with a file" +
$" called 'students.txt'");
}
else
{
e.Data.Add("Requirements",
$"a folder called 'data' withing working directory with a file called 'students.txt'");
}
throw;
}
finally
{
VisibleContent = VisibleContent.MainMenu;
}
}
public StudentsManager()
{
Working = true;
VisibleContent = VisibleContent.MainMenu;
Students = new List <Student>();
}
private void MainMenuView()
{
Console.Title = $"Main Menu";
Console.Clear();
Console.WriteLine($"\n---MAIN MENU---");
// Console.WriteLine($"Program automatically adds 3 students by default. Comment out line 33 in StudentsManager.cs to prevent it from doing it.\n");
Console.WriteLine($"Write a number and press enter to change the view\n");
Console.WriteLine($"1. Add student(-s)");
Console.WriteLine($"2. Add homework grades for a student");
Console.WriteLine($"3. Add an exam grade for a student");
Console.WriteLine($"4. List students with their averages");
Console.WriteLine($"5. Remove student(-s)");
Console.WriteLine($"6. Import students from file");
Console.WriteLine($"7. Generate students");
Console.WriteLine($"0. Exit");
if (!int.TryParse(Console.ReadLine(), out int choice))
{
VisibleContent = VisibleContent.MainMenu;
return;
}
switch (choice)
{
case 1:
VisibleContent = VisibleContent.AddStudent;
break;
case 2:
VisibleContent = VisibleContent.AddGradesHomework;
break;
case 3:
VisibleContent = VisibleContent.AddGradesExam;
break;
case 4:
VisibleContent = VisibleContent.ListOfStudents;
break;
case 5:
VisibleContent = VisibleContent.RemoveStudent;
break;
case 6:
VisibleContent = VisibleContent.StudentImport;
break;
case 7:
VisibleContent = VisibleContent.StudentsGenerator;
break;
case 0:
Working = false;
break;
default:
VisibleContent = VisibleContent.MainMenu;
break;
}
}