private void SaveStudentBtn_Click(object sender, EventArgs e)
{
//creates the new object and adds it to either the editted list or the new student list
ErrorList err = new ErrorList();
List <Grade> holdGrades = new List <Grade>();
Student holdNewStu = null;
DormStudent holdNewDormStu = null;
bool newStudent = false;
if (StudentsListBox.SelectedItem.ToString() == "New Student")
{
newStudent = true;
}
else
{
var hold = Dependency.CurrentStudents.Where(a => a.StudentID == StudentIDTextBox.Text);
if (hold.Count() > 1)
{
err.Errors.Add("Multiple Students found with the same ID.");
}
else if (hold.Count() < 1)
{
err.Errors.Add("Error finding student with that ID.");
StudentsListBox.Items.Remove(StudentIDTextBox.Text);
}
else if (hold.Count() == 1)
{
holdGrades = hold.First().Grades;
}
}
if (err.hasErrors)
{
MessageBox.Show(err.CompileErrors(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
return;
}
//Change to validation command
CheckStudentDataGood(err, holdGrades);
if (err.hasErrors)
{
MessageBox.Show(err.CompileErrors(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
return;
}
try
{
if (NonDormRadio.Checked)
{
holdNewStu = new Student(StudentIDTextBox.Text, NameTextBox.Text);
holdNewStu.Grades = holdGrades;
}
else
{
string mealPlan = "";
switch (MealPlanCombo.SelectedItem)
{
case ("B - Basic"):
mealPlan = "B";
break;
case ("M - Medium"):
mealPlan = "M";
break;
case ("H - High"):
mealPlan = "H";
break;
default:
break;
}
holdNewDormStu = new DormStudent(StudentIDTextBox.Text, NameTextBox.Text, DormDropDown.SelectedItem.ToString(), mealPlan);
holdNewDormStu.Grades = holdGrades;
}
}
catch (Exception ex)
{
err.Errors.Add(ex.Message);
}
if (err.hasErrors)
{
MessageBox.Show(err.CompileErrors(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Hand);
return;
}
Student holdStu = null;
if (DormRadio.Checked)
{
holdStu = holdNewDormStu;
}
else
{
holdStu = holdNewStu;
}
if (!newStudent)
{
Dependency.CurrentStudents.RemoveAll(a => a.StudentID == holdStu.StudentID);
Dependency.CurrentStudents.Add(holdStu);
if (Dependency.EditStudents.Any(a => a.StudentID == holdStu.StudentID))
{
Dependency.EditStudents.RemoveAll(a => a.StudentID == holdStu.StudentID);
Dependency.EditStudents.Add(holdStu);
}
else
{
Dependency.EditStudents.Add(holdStu);
}
Dependency.CurrentStudents.Sort();
Dependency.EditStudents.Sort();
}
else
{
Dependency.CurrentStudents.Add(holdStu);
Dependency.NewStudents.Add(holdStu);
Dependency.CurrentStudents.Sort();
Dependency.NewStudents.Sort();
}
ResetForm();
ReturnBtn.Focus();
}
//Update button
private void updateBtn_Click(object sender, EventArgs e)
{
try
{
//If commuter button is checked, check that the name to update is not missing
if (commBtn.Checked)
{
if (nameBox.Text == "")
{
errorBox.Text = "Name is missing!";
return;
}
//Replace index found thru the Id or name value with the new updated object and re-print updated listbox
studentList[finalIndex] = new Student(id: Int32.Parse(idBox.Text), name: nameBox.Text);
stuListBox.Clear();
studentList.Sort();
foreach (var item in studentList)
{
stuListBox.Text += item.ToString() + Environment.NewLine;
}
}
//If dorm button is checked, check that the name to update is not missing
if (dormBtn.Checked)
{
if (nameBox.Text == "")
{
errorBox.Text = "Name is missing!";
return;
}
//Check that dorm and meal plan are selected before sending update
if (dorm == "" || meal == "")
{
errorBox.Text = "You must select the dorm and meal plan for this student!";
return;
}
else
{
//Replace index found thru the Id or name value with the new updated child object and re-print updated listbox
studentList[finalIndex] = new DormStudent(id: Int32.Parse(idBox.Text), name: nameBox.Text, dorm: dorm, mealplan: meal);
stuListBox.Clear();
studentList.Sort();
foreach (var item in studentList)
{
stuListBox.Text += item.ToString() + Environment.NewLine;
}
}
}
}
catch (Exception ex)
{
if (ex is ArgumentOutOfRangeException || ex is FormatException)
{
errorBox.Text = "Student not found!";
return;
}
}
errorBox.Text = "Student Updated!";
//Reset index, textboxes and vars
finalIndex = -1;
idBox.Text = "";
nameBox.Text = "";
meal = "";
dorm = "";
//Clean radio buttons after update
foreach (RadioButton btn in new RadioButton[] { oakBtn, trusteeBtn, wapelloBtn, appaBtn, mahaBtn, basicBtn, mediumBtn, highBtn })
{
btn.Checked = false;
}
}
private void StudentsListBox_SelectedValueChanged(object sender, EventArgs e)
{
StudentIDTextBox.Enabled = true;
ErrorList err = new ErrorList();
if (StudentsListBox.SelectedItem.ToString() == "New Student")
{
StudentIDTextBox.Enabled = true;
NonDormRadio.Checked = true;
DormDropDown.Enabled = false;
MealPlanCombo.Enabled = false;
DormDropDown.SelectedItem = "Waffle";
MealPlanCombo.SelectedItem = "B - Basic";
StudentIDTextBox.Text = "";
NameTextBox.Text = "";
}
else
{
//Need to search the current students list for that
if (Dependency.CurrentStudents.Any(x => x.StudentID == StudentsListBox.SelectedItem.ToString()))
{
try
{
var holdList = Dependency.CurrentStudents.Where(x => x.StudentID == StudentsListBox.SelectedItem.ToString());
if (holdList.Count() != 1)
{
if (holdList.Count() < 1)
{
throw new StudentIDNotFoundException("No student found with that ID.");
}
else if (holdList.Count() > 1)
{
throw new InvalidStudentIDException("Two students found with the same ID. Please contact IT immediately.");
}
}
else if (holdList.Count() == 1)
{
var hold = holdList.First();
if (hold is DormStudent)
{
DormStudent stu = (DormStudent)hold;
StudentIDTextBox.Enabled = false;
StudentIDTextBox.Text = stu.StudentID;
NameTextBox.Text = stu.StudentName;
DormRadio.Checked = true;
NonDormRadio.Checked = false;
DormDropDown.SelectedItem = stu.DormLocation;
switch (stu.MealPlan)
{
case ("B"):
MealPlanCombo.SelectedItem = "B - Basic";
break;
case ("M"):
MealPlanCombo.SelectedItem = "M - Medium";
break;
case ("H"):
MealPlanCombo.SelectedItem = "H - High";
break;
default:
MealPlanCombo.SelectedItem = "B - Basic";
break;
}
}
else if (hold is Student)
{
Student stu = (Student)hold;
StudentIDTextBox.Enabled = false;
StudentIDTextBox.Text = stu.StudentID;
NameTextBox.Text = stu.StudentName;
DormRadio.Checked = false;
NonDormRadio.Checked = true;
DormDropDown.SelectedItem = "Waffle";
MealPlanCombo.SelectedItem = "B - Basic";
}
}
}
catch (Exception ex)
{
err.Errors.Add(ex.Message);
}
}
}
}