public void removeStd(string username, ref courseDatabase crsDB)
{
student std = getStudent(username);
// Increment the number of seats available for each course the student has registered for
List <course> registeredCrsLst = std.registeredCrs;
foreach (course registeredCrs in registeredCrsLst)
{
foreach (course crs in crsDB.getCourseList())
{
if (registeredCrs.crsID == crs.crsID)
{
crs.disenrollUser(std);
break;
}
}
}
// Remove the student from the advisees list of his advisor
faculty advisor = getFaculty(std.advisor);
advisor.removeAdvisee(username);
// Remove the student from the database
stdLst.Remove(std);
}
public stdMainpage(string username, userDatabase usrDB, courseDatabase crsDB)
{
// Store attributes
InitializeComponent();
this.crsDB = crsDB;
this.usrDB = usrDB;
std = usrDB.getStudent(username);
// Change texts
welcome.Text += std.fname + " " + std.lname;
gpa.Text += " " + std.GPA;
credits.Text += " " + std.totalCredits;
// Create all the tables
createCrsLst();
createGradeHist();
createStdSch();
// Clear selections on tables
gradeHist.ClearSelection();
stdSch.ClearSelection();
// Auto completion source
foreach (course crs in crsDB.getCourseList())
{
crsIDBox.AutoCompleteCustomSource.Add(crs.crsID);
}
}
public facMainpage(string username, userDatabase usrDB, courseDatabase crsDB)
{
InitializeComponent();
this.usrDB = usrDB;
this.crsDB = crsDB;
fac = usrDB.getFaculty(username);
// Change texts
welcome.Text += fac.fname + " " + fac.lname;
// Create all the tables
createCrsLst();
createFacSch();
createAdviseeLst();
// Auto complete
foreach (course crs in crsDB.getCourseList())
{
crsIDBox.AutoCompleteCustomSource.Add(crs.crsID);
}
// Clear selection of tables
facSch.ClearSelection();
adviseeLst.ClearSelection();
}
public void addPrevCourses(ref courseDatabase crsDB, string nextSemester)
{
string line;
System.IO.StreamReader input = new System.IO.StreamReader(@"..\..\historyDB.in");
while ((line = input.ReadLine()) != null)
{
string username = line.Substring(0, 10).Trim().ToLower(); // Needed ToLower()
string courseNumStr = line.Substring(11, 2).Trim();
int courseNum = int.Parse(courseNumStr);
int loc = 14;
student std = stdLst.Find(s => s.username.Trim() == username);
for (int i = 0; i < courseNum; i++)
{
string crsID = line.Substring(loc, 10).Trim();
loc += 11;
string semester = line.Substring(loc, 3).Trim();
loc += 4;
string creditStr = line.Substring(loc, 4).Trim();
float credit = float.Parse(creditStr);
loc += 4;
string grade;
if ((line.Length - loc) >= 3)
{
grade = line.Substring(loc, 3).Trim().ToString();
}
else
{
grade = line.Substring(loc).Trim().ToString();
}
loc += 5;
if (semester == nextSemester)
{
course crs = crsDB.getCourse(crsID);
std.addClassToNext(crs);
crs.enrollUser(std);
}
else if (semester == "F14")
{
previousCourse pcrs = new previousCourse(username, crsID, semester, credit, grade);
std.addClassToCurrent(pcrs);
}
else
{
previousCourse currentCourse = new previousCourse(username, crsID, semester, credit, grade);
std.addClassToPast(currentCourse);
}
}
}
input.Close();
foreach (student std in stdLst)
{
std.calculateGPA();
}
}
public void dropCrsFromStd(string courseID, ref courseDatabase courseDB, student currentStudent)
{
foreach (course crs in courseDB.getCourseList())
{
if (courseID.Trim() == crs.crsID.Trim())
{
currentStudent.dropCrsFromNext(crs);
crs.disenrollUser(currentStudent);
return;
}
}
}
// Change the database
//----------------------------------------
public void addCrsToStd(string crsID, string nextSemester, ref courseDatabase crsDB, student currentStudent)
{
foreach (course crs in crsDB.getCourseList())
{
if (crsID.Trim() == crs.crsID.Trim())
{
course selectedCourse = crs;
selectedCourse.enrollUser(currentStudent);
course courseAdding = selectedCourse;
currentStudent.addClassToNext(courseAdding);
return;
}
}
}
public void changeTime(string crsID, string instructor, courseDatabase crsDB)
{
foreach (faculty fac in facLst)
{
if (fac.username == instructor.Trim())
{
foreach (course crs in fac.nextSemesterCourses)
{
if (crs.crsID.Trim() == crsID.Trim())
{
course curCrs = crsDB.getCourse(crsID);
crs.timeBlocks = curCrs.timeBlocks;
}
}
}
}
}
public admCreateCrs(courseDatabase crsDB, userDatabase usrDB)
{
InitializeComponent();
this.crsDB = crsDB;
this.usrDB = usrDB;
foreach (course crs in crsDB.getCourseList())
{
crsIDBox.AutoCompleteCustomSource.Add(crs.crsID);
}
foreach (faculty fac in usrDB.getFacultyList())
{
facDropDown.Items.Add(fac.fname + " " + fac.lname);
facDropDown.AutoCompleteCustomSource.Add(fac.fname + " " + fac.lname);
}
}
// For changing courses. Needs a direct access to user database
public void changeInstrutor(courseDatabase crsDB, string newInstructor, string oldInstructor, string crsID)
{
foreach (faculty fac in facLst)
{
bool newI = false;
bool oldI = false;
if (!newI)
{
if (fac.username.Trim() == newInstructor.Trim())
{
course crs = crsDB.getCourse(crsID);
fac.nextSemesterCourses.Add(crs);
newI = true;
}
}
if (!oldI)
{
if (fac.username.Trim() == oldInstructor.Trim())
{
foreach (course crs in fac.nextSemesterCourses)
{
if (crs.crsID == crsID.Trim())
{
fac.nextSemesterCourses.Remove(crs);
oldI = true;
break;
}
}
}
}
if (oldI && newI)
{
break;
}
}
}
private void loginClick(object sender, EventArgs e)
{
uname = username.Text.Trim().ToLower();
utype = "student";
string password = this.password.Text.Trim();
if (usrDB.isValidUser(uname, password, ref utype))
{
Hide();
if (utype == "admin" || utype == "manager")
{
if (!flag)
{
var form = new admMainpage(usrDB, @"..\..\historyDB.in", utype);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
usrDB.updateDatabase();
}
else
{
var form = new admMainpage(usrDB, crsDB, utype);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
}
}
else
{
if (utype == "faculty")
{
if (!flag)
{
var form = new facMainpage(uname, usrDB);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
}
else
{
var form = new facMainpage(uname, usrDB, crsDB);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
}
}
else
{
if (!flag)
{
var form = new stdMainpage(uname, usrDB);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
}
else
{
var form = new stdMainpage(uname, usrDB, crsDB);
form.ShowDialog();
usrDB = form.usrDB;
crsDB = form.crsDB;
}
}
}
username.Text = "Username";
username.ForeColor = Color.Silver;
this.password.Text = "Password";
this.password.PasswordChar = '\0';
this.password.ForeColor = Color.Silver;
flag = true;
Show();
}
else
{
MessageBox.Show("Your username or password is incorrect.",
"Invalid Credential",
MessageBoxButtons.OK,
MessageBoxIcon.Question);
this.password.Text = "";
this.password.PasswordChar = '*';
this.password.ForeColor = Color.White;
}
}
