private void btnSubmit_Click(object sender, EventArgs e)
{
// Role depending on teacher, principal or student
int userRole = 0;
// Adds one to try added to log on
tries++;
// try parses to check if input is integer
if (Config.TryToParse(txt_Username.Text))
{
// if student radio button is checked
if (rdb_student.Checked == true)
{
// user role 1 is selected
userRole = 1;
}
// if teacher radio button is checked
if (rdb_teacher.Checked == true)
{
// user role 2 is selected for teacher
userRole = 2;
}
// if principal radio button is checked
if (rdb_principal.Checked == true)
{
// user role 3 is selected for principal
userRole = 3;
}
}
else
{
// Message box is shown telling about incorrect login
MessageBox.Show("Please enter your username in the correct format!",
"Invalid Login", MessageBoxButtons.OK,
MessageBoxIcon.Exclamation);
// Resetting text box for user name
txt_Username.Text = "";
// Resetting text box for password
txt_Password.Text = "";
}
// Switch case for user role
switch (userRole)
{
// if case 1
case 1:
prgbarLoadingLogin.Value = 0;
prgbarLoadingLogin.Value += 2; // progress bar increased by 1
// if user input is correct
if (DatabaseConnection.checkUser(txt_Username.Text, txt_Password.Text, 0))
{
// progress bar increased by 1
prgbarLoadingLogin.Value += 2;
// Student profile is loaded
frmStudentProfile sForm = new frmStudentProfile();
prgbarLoadingLogin.Value += 2;
// Activates student profile form
sForm.Activate();
// Progress bar increased by 1
prgbarLoadingLogin.Value += 2;
// Temporarily sets the config file as this student so it can be shared between the classes
Config.setStudent(DatabaseConnection.loadStudent(txt_Username.Text));
// Progress bar increased by 1
prgbarLoadingLogin.Value += 2;
// Message box showing successful logon
MessageBox.Show("Successfully Logged In");
// Student Profile form shown
sForm.Show();
// Hides logon on form
this.Hide();
Config.userRole = 1; // user role is set to 1
}
else
{
// Message box is shown login failed
MessageBox.Show("Login Failed");
// If login tries is above 3
if (tries > 3)
{
// Application is exited
Application.Exit();
}
}
// leaves case
break;
// if case 2
case 2:
prgbarLoadingLogin.Value = 0;
prgbarLoadingLogin.Value += 2;
// if user input is correct
if (DatabaseConnection.checkUser(txt_Username.Text, txt_Password.Text, 1))
{
// gets teacher information
Teacher getTeacher = DatabaseConnection.getTeacher(Convert.ToInt32(txt_Username.Text));
prgbarLoadingLogin.Value += 2;
// Sets teacher info
Config.setTTeacher(getTeacher);
prgbarLoadingLogin.Value += 2;
// teacher profile is loaded
frmTeacherProfile fTP = new frmTeacherProfile();
prgbarLoadingLogin.Value += 2;
// teacher profile is activated
fTP.Activate();
prgbarLoadingLogin.Value += 2;
// login screen is hidden
this.Hide();
// shows teacher profile
fTP.Show();
Config.userRole = 2; // user role is set to 2
}
else
{
// if login fails shows message box showing so
MessageBox.Show("Login Failed");
// if tries to login exceeds 3
if (tries > 3)
{
// program is exitted
Application.Exit();
}
}
break;
// if case 3
case 3:
prgbarLoadingLogin.Value = 0;
prgbarLoadingLogin.Value += 4;
// checks to see if user input for principal is correct
if (DatabaseConnection.checkUser(txt_Username.Text, txt_Password.Text, 2))
{
// principal panel is loaded
prgbarLoadingLogin.Value += 2;
frmPrincipalPanel pP = new frmPrincipalPanel();
prgbarLoadingLogin.Value += 2;
// principal panel is activated
pP.Activate();
prgbarLoadingLogin.Value += 2;
// principal panel is shown
pP.Show();
// login screen is hidden
this.Hide();
Config.userRole = 3;
// Eser role 3 is set
}
else
{
// if login fails shows message box saying so
MessageBox.Show("Login Failed");
// if tries to login exceeds 3
if (tries > 3)
{
// program is exitted
Application.Exit();
}
}
break;
}
}
