public GradingItemForm(Response r, Criteria criteria, Student student)
{
Cancelled = true; // fail closed rather than open
GraderResponse = r;
InitializeComponent();
studentNameLabel.Text = string.Format("{0}, {1}", student.LastName, student.FirstName);
criteriaDescLabel.Text = criteria.Description;
pointsReceivedNumericUpDown.Maximum = criteria.MaxPoints;
pointsReceivedNumericUpDown.Minimum = 0;
if (GraderResponse.PointsReceived < 0)
{
GraderResponse.PointsReceived = 0;
}
else if (GraderResponse.PointsReceived > criteria.MaxPoints)
{
GraderResponse.PointsReceived = criteria.MaxPoints;
}
pointsReceivedNumericUpDown.Value = GraderResponse.PointsReceived;
maxPointsLabel.Text = string.Format("Pts out of {0} Pts", criteria.MaxPoints.ToString());
graderCommentTextBox.Text = GraderResponse.GraderComment;
}
public EditStudentForm()
{
InitializeComponent();
NumOfSections = 1;
this.CancelButton = buttonCancel;
this.AcceptButton = buttonUpdate;
PublicStudent = new Student();
}
public EditStudentForm()
{
InitializeComponent();
if (Text == "Add New Student")
{
buttonUpdate.Text = "Add";
}
status = -1;
PublicStudent = new Student();
}
public void LoadResponseList(Student student, ResponseList responseList)
{
if (currentAssignment == null || responseList.AssignmentID != currentAssignment.AssignmentID)
{
Debug.WriteLine("The assignment and response list IDs do not match!");
return;
}
currentStudent = student;
currentResponseList = responseList;
studentNameLabel.Text = string.Format("{0}, {1}", currentStudent.LastName, currentStudent.FirstName);
studentIDLabel.Text = currentStudent.StudentSchoolID;
foreach (KeyValuePair<int, RubricNode> rubricNode in currentAssignment.Rubric.Nodes)
{
TreeNode[] rubricTreeNodes = rubricTreeView.Nodes.Find(rubricNode.Value.Criteria.CriteriaID.ToString(),true);
if (rubricTreeNodes.Length == 1)
{
Response response;
if (currentResponseList.Responses.TryGetValue(rubricNode.Value.Criteria.CriteriaID, out response))
{ // if we have already created a response for this criteria/student
if (response.PointsReceived > 0)
{
rubricTreeNodes[0].Checked = true;
}
else
{
// no checkmark if they have received 0 pts
rubricTreeNodes[0].Checked = false;
}
}
else if(rubricNode.Value.Children.Count == 0)
{ // we need to create a response if none exists and this isn't a header
response = currentResponseList.Responses[rubricNode.Value.Criteria.CriteriaID] = new Response();
rubricTreeNodes[0].Checked = true;
response.PointsReceived = rubricNode.Value.Criteria.MaxPoints;
}
if (rubricNode.Value.Children.Count > 0)
{
rubricTreeNodes[0].Checked = true;
rubricTreeNodes[0].Text = rubricNode.Value.Criteria.Description;
}
else
{
rubricTreeNodes[0].Text = string.Format("{0} ({1}): {2}",
rubricNode.Value.Criteria.Description,
rubricNode.Value.Criteria.MaxPoints.ToString(),
response.PointsReceived.ToString());
}
}
else if (rubricTreeNodes.Length == 0)
{
Debug.WriteLine("The criteria in the rubric does not exist in the treeview.");
}
else
{
Debug.WriteLine("Multiple criteria share the same key.");
}
}
rubricTreeView.ExpandAll();
updateAdjustmentListBox();
updatePoints();
}
/// <summary>
/// This function actually does the email sending, using SMTP.
/// </summary>
/// <param name="useHTML">Boolean indicating whether or not to use send HTML or plain text.</param>
/// <param name="text">The actual text of the email, with or without HTML formatting.</param>
/// <param name="s">The student to whom the email should be sent.</param>
/// <returns>Returns a boolean indicating whether or not the email went through,
/// but an exception will be caught and thrown if the email does not work.</returns>
private bool sendEmail(bool useHTML, string text, Student s)
{
try
{
if (!textBoxEmailAddress.Text.Contains('@'))
{
MessageBox.Show("Please enter a valid email address.", "Invalid Email!");
throw new Exception("Invalid sender email address.");
}
if (!s.EmailAddress.Contains('@'))
{
//MessageBox.Show("The recipient \"" + s.EmailAddress + "\" has an invalid email address.");
throw new Exception("Invalid student email address.");
}
SmtpClient smtpClient = new SmtpClient();
NetworkCredential theCredential = new NetworkCredential(textBoxEmailAddress.Text, textBoxExchangePassword.Text);
MailMessage message = new MailMessage();
MailAddress fromAddress = new MailAddress(textBoxEmailAddress.Text);
try
{
smtpClient.Host = textBoxSMTPServer.Text;
}
catch (Exception ex)
{
//MessageBox.Show("Error: Please enter a valid SMTP server.", "No SMTP Server");
throw ex;
}
if (radioButtonProtocolExchange.Checked)
{
smtpClient.UseDefaultCredentials = false;
smtpClient.Port = 587;
smtpClient.EnableSsl = true;
//smtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
}
smtpClient.Credentials = theCredential;
message.From = fromAddress;
message.Subject = textBoxSubject.Text;
message.IsBodyHtml = useHTML;
message.Body = text;
message.To.Add(s.EmailAddress);
try
{
smtpClient.Send(message);
}
catch (Exception ex)
{
//MessageBox.Show("Error sending email:\n" + ex.Message, ex.Message);
throw ex;
}
return true;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// This function returns the total score of one Student.
/// Side effect: Also sets the maxScore object variable. Messy, I know.
/// </summary>
/// <param name="s">The Student whose score is to be gotten.</param>
/// <returns>An integer indicating the Student's score.</returns>
private int getOneTotal(Student s)
{
// this is ridiculous! -- Josh
if (!responseLists.ContainsKey(s.StudentID))
{
throw new Exception("Student " + s.FirstName + " " + s.LastName +
" (" + s.StudentID +
") does not have any responses. Please check the grading guide.");
}
Dictionary<int, Response> responseDict = responseLists[s.StudentID].Responses;
if (responseDict.Count == 0)
{
throw new Exception("Student " + s.FirstName + " " + s.LastName +
" (" + s.StudentID +
") does not have any responses. Please check the grading guide.");
}
Rubric currentRubric = currentAssignment.Rubric;
int theTotal = 0;
maxScore = 0;
foreach (int rootNodeID in currentRubric.RootNodes)
{
try
{
theTotal += getScoreFromNode(rootNodeID, currentRubric.Nodes, responseDict);
}
catch (Exception ex)
{
MessageBox.Show("Some responses missing for student "
+ s.FirstName + " " + s.LastName + ". Try regrading this student. " +
"If that doesn't work, the database is probably corrupt.\n\n" + ex.ToString(),
"Missing responses!");
}
}
return theTotal;
}
/// <summary>
/// This function is called recursively to navigate the criteria tree and get some of the
/// text for a student's email, starting at a single node.
/// </summary>
/// <param name="s">The Student whose email text should be obtained.</param>
/// <returns>Returns the string that should be sent to the sendEmail function.</returns>
private string getEmailText(Student s)
{
if (!responseLists.ContainsKey(s.StudentID))
{
throw new Exception("Student " + s.FirstName + " " + s.LastName +
" (" + s.StudentID +
") does not have any responses. Please check the grading guide.");
}
Dictionary<int, Response> responseDict = responseLists[s.StudentID].Responses;
// initialize text with header and blank line
string theString = textBoxHeaderText.Text + "\n\n";
// add intro
theString += "Grading Report for " + mainClass.ClassName + "\n" +
"Assignment: " + currentAssignment.Name + "\n\n";
// class statistics
theString += "Statistics:\n" +
" Number of Students: " + students.Count + "\n" +
" Numer of Students Graded: " + numGraded + "\n" +
" Number of Zero Grades: " + numZeros + "\n" +
" Average Grade: " + ((double)totalScore / (double)students.Count).ToString("F2") + "\n" +
" Average (no zeros): " + ((double)totalScore / (double)studentScores.Count).ToString("F2") + "\n\n";
theString += "Your Score:\n\n";
//Dictionary<int, RubricNode> criterion = currentAssignment.Rubric.Nodes;
Rubric currentRubric = currentAssignment.Rubric;
foreach (int rootNodeID in currentRubric.RootNodes)
{
theString += getTextFromNode(rootNodeID, currentRubric.Nodes, responseDict, 0) + "\n";
}
theString += "\n";
theString += "Total Score: " + studentScores[s.StudentID] + " out of " + maxScore +
" -- " + (100*studentScores[s.StudentID]/maxScore).ToString("F2") + "%";
return theString;
}
/// <summary>
/// This function returns the HTML text for an HTML formatted email for one Student. Includes
/// comments, grades, etc. Throws an exception if the Student has no responses.
/// </summary>
/// <param name="s">The Student whose email HTML should be obtained.</param>
/// <returns>Returns the string that should be sent to the sendEmail function.</returns>
private string getEmailHtml(Student s)
{
int tempInt;
List<string> commentStrings = new List<string>();
if (!responseLists.ContainsKey(s.StudentID))
{
throw new Exception("Student " + s.FirstName + " " + s.LastName +
" (" + s.StudentID +
") does not have any responses. Please check the grading guide.");
}
Dictionary<int, Response> responseDict = responseLists[s.StudentID].Responses;
// initialize html tags and add header text // NOTE: New lines are for minor source readability
string theString = "<html><body>" + "<p>" + textBoxHeaderText.Text + "</p>";
// add intro
theString += "<p>Grading Report for " + mainClass.ClassName + "<br />" +
"Assignment: " + currentAssignment.Name + "</p>";
// class statistics
theString += "<p>Statistics:" +
" Number of Students: " + students.Count + "<br />" +
" Numer of Students Graded: " + numGraded + "<br />" +
" Number of Zero Grades: " + numZeros + "<br />" +
" Average Grade: " + ((double)totalScore / (double)students.Count).ToString("F2") + "<br />" +
" Average (no zeros): " + ((double)totalScore / (double)studentScores.Count).ToString("F2") + "</p>";
//Dictionary<int, RubricNode> criterion = currentAssignment.Rubric.Nodes;
Rubric currentRubric = currentAssignment.Rubric;
theString += "<p>Your Grades:<ul>";
tempInt = 0;
foreach (int rootNodeID in currentRubric.RootNodes)
{
theString += getHtmlFromNode(rootNodeID, currentRubric.Nodes, responseDict, ref tempInt, ref commentStrings);
}
theString += "</ul>";
theString += "Total Score: " + studentScores[s.StudentID] + " out of " + maxScore +
" -- " + (100 * studentScores[s.StudentID] / maxScore).ToString("F2") + "%</p><p>";
theString += "Comments:</p>";
foreach (string aComment in commentStrings)
{
theString += aComment;
}
theString += "</body></html>";
return theString;
}
private void loadResponseList(int assignmentID, Student student)
{
ResponseList responseList = dbConnention.GetResponseList(assignmentID, student.StudentID);
gaf.LoadResponseList(student, responseList);
}
/// <summary>
/// This function returns the HTML text for an HTML formatted email for one Student. Includes
/// comments, grades, etc. Throws an exception if the Student has no responses.
/// </summary>
/// <param name="s">The Student whose email HTML should be obtained.</param>
/// <returns>Returns the string that should be sent to the sendEmail function.</returns>
private string getEmailHtml(Student s)
{
int tempInt;
int adjustmentTotal = 0;
List<string> commentStrings = new List<string>();
if (!responseLists.ContainsKey(s.StudentID))
{
throw new Exception("Student " + s.FirstName + " " + s.LastName +
" (" + s.StudentID +
") does not have any responses. Please check the grading guide.");
}
Dictionary<int, Response> responseDict = responseLists[s.StudentID].Responses;
// initialize html tags and add header text // NOTE: New lines are for minor source readability
string theString = "<html><body>" + "<p>" + textBoxHeaderText.Text + "</p>";
// add intro
theString += "<h4>Grading Report for " + mainClass.ClassName + "</h4>" +
"<h5>Assignment: " + currentAssignment.Name + "</h5>";
// class statistics
theString += "<h5>Statistics:</h5><p>" +
" Number of Students: " + students.Count + "<br />" +
" Numer of Students Graded: " + numGraded + "<br />" +
" Number of Zero Grades: " + numZeros + "<br />" +
" Average Grade: " + ((double)totalScore / (double)students.Count).ToString("F2") + "<br />" +
" Average (no zeros): " + ((double)totalScore / (double)studentScores.Count).ToString("F2") + "</p>";
//Dictionary<int, RubricNode> criterion = currentAssignment.Rubric.Nodes;
Rubric currentRubric = currentAssignment.Rubric;
theString += "<h5>Your Grades:</h5><ul>";
tempInt = 0;
foreach (int rootNodeID in currentRubric.RootNodes)
{
theString += getHtmlFromNode(rootNodeID, currentRubric.Nodes, responseDict, ref tempInt, ref commentStrings);
}
theString += "</ul>";
// Now add adjustments... if there are any
if (responseLists[s.StudentID].Adjustments.Count != 0)
{
theString += "<h5>Adjustments:</h5>";
theString += "<table width=\"100%\">";
foreach (Adjustment a in responseLists[s.StudentID].Adjustments)
{
theString += "<tr><td>" + a.Comment + "</td><td>" + a.PointAdjustment + "</td></tr>";
adjustmentTotal += a.PointAdjustment;
}
theString += "</table>";
}
// Now do full summary
theString += "<p>Subtotal: " + (studentScores[s.StudentID] - adjustmentTotal) +
" out of " + maxScore + "<br />";
if (adjustmentTotal > 0)
{
theString += "Adjustments: +" + adjustmentTotal + "<br />";
}
else
{
theString += "Adjustments: " + adjustmentTotal + "<br />";
}
theString += "Total Score: " + studentScores[s.StudentID] + " out of " + maxScore +
" -- " + (100 * (double)studentScores[s.StudentID] / (double)maxScore).ToString("F2") + "%</p>";
// Now comments... if there are any
if (commentStrings.Count != 0)
{
theString += "<h5>Comments:</h5>";
foreach (string aComment in commentStrings)
{
theString += aComment;
}
}
theString += "</body></html>";
return theString;
}
public bool UpdateStudent(Student student)
{
if (student.HasID())
{
// AAAAAAAAAGH ACCESS AND OLEDB SUCK. You can used named parameters BUT OleDb doesn't respect them and just relies on order. SUCKS.
// We need to update because the student already has a key.
string query = String.Format("UPDATE {0} SET ", tables.Student.TableName);
query += String.Format("{0} = @{0}, ", tables.Student.FirstName);
query += String.Format("{0} = @{0}, ", tables.Student.LastName);
query += String.Format("{0} = @{0}, ", tables.Student.Username);
query += String.Format("{0} = @{0}, ", tables.Student.EmailAddress);
query += String.Format("{0} = @{0}, ", tables.Student.ClassSection);
query += String.Format("{0} = @{0} ", tables.Student.StudentSchoolID);
query += String.Format("WHERE {0} = @{0};", tables.Student.StudentID);
OleDbCommand update = new OleDbCommand(query, dbConnection);
update.Parameters.Add(new OleDbParameter("@" + tables.Student.FirstName, OleDbType.VarChar)).Value = student.FirstName;// student.FirstName;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.LastName, OleDbType.VarChar)).Value = student.LastName;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.Username, OleDbType.VarChar)).Value = student.Username;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.EmailAddress, OleDbType.VarChar)).Value = student.EmailAddress;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.ClassSection, OleDbType.Integer)).Value = student.ClassSection;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.StudentSchoolID, OleDbType.VarChar)).Value = student.StudentSchoolID;
update.Parameters.Add(new OleDbParameter("@" + tables.Student.StudentID, OleDbType.Integer)).Value = student.StudentID;
update.ExecuteNonQuery();
return true;
}
else
{
Debug.WriteLine("A student without an ID was found in a student dictionary. That's not good.");
return false;
}
}
public bool DeleteStudent(Student student)
{
if (student.HasID())
{
// We need to update because the student already has a key.
string query = String.Format("DELETE FROM {0} ", tables.Student.TableName);
query += String.Format("WHERE {0} = @{0};", tables.Student.StudentID);
OleDbCommand update = new OleDbCommand(query, dbConnection);
update.Parameters.Add(new OleDbParameter("@" + tables.Student.StudentID, OleDbType.Integer)).Value = student.StudentID;
update.ExecuteNonQuery();
return true;
}
else
{
Debug.WriteLine("A student without an ID is trying to be deleted. That's not good.");
return false;
}
}
public int AddStudent(Student student)
{
if (student.HasID())
{
Debug.WriteLine("You should not add students if they already have an ID assigned.");
return student.StudentID;
}
else
{
// We need to insert rather than update because the student has no key.
string query = String.Format("INSERT INTO {0} (", tables.Student.TableName);
query += String.Format("{0}, ", tables.Student.FirstName);
query += String.Format("{0}, ", tables.Student.LastName);
query += String.Format("{0}, ", tables.Student.Username);
query += String.Format("{0}, ", tables.Student.EmailAddress);
query += String.Format("{0}, ", tables.Student.ClassSection);
query += String.Format("{0}", tables.Student.StudentSchoolID);
query += ") VALUES (";
query += String.Format("@{0}, ", tables.Student.FirstName);
query += String.Format("@{0}, ", tables.Student.LastName);
query += String.Format("@{0}, ", tables.Student.Username);
query += String.Format("@{0}, ", tables.Student.EmailAddress);
query += String.Format("@{0}, ", tables.Student.ClassSection);
query += String.Format("@{0}", tables.Student.StudentSchoolID);
query += ");";
OleDbCommand insert = new OleDbCommand(query, dbConnection);
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.FirstName, OleDbType.VarChar)).Value = student.FirstName;// student.FirstName;
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.LastName, OleDbType.VarChar)).Value = student.LastName;
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.Username, OleDbType.VarChar)).Value = student.Username;
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.EmailAddress, OleDbType.VarChar)).Value = student.EmailAddress;
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.ClassSection, OleDbType.Integer)).Value = student.ClassSection;
insert.Parameters.Add(new OleDbParameter("@" + tables.Student.StudentSchoolID, OleDbType.VarChar)).Value = student.StudentSchoolID;
try
{
insert.ExecuteNonQuery();
}
catch
{
Debug.WriteLine("Could not insert student.");
}
// Now that we inserted the student, we need to get its ID
query = "SELECT @@IDENTITY;";
OleDbCommand getID = new OleDbCommand(query, dbConnection);
int key = student.StudentID;
try
{
key = (int)getID.ExecuteScalar();
}
catch
{
Debug.WriteLine("Could not retrieve student ID.");
}
return key;
}
}