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 RubricNode(Criteria c)
{
Criteria = c;
Children = new LinkedList<int>();
}
/// <summary>
/// Adds a new node to the given parent.
/// </summary>
/// <param name="c">A criteria with a key given by the database. The criteria should have a key already (it should not be NoID).</param>
/// <param name="parentKey">The valid parent key that the node should be added to.</param>
/// <returns>The criterias key (which references it in the dictionary as well as the DB).</returns>
public int AddNewNode(Criteria c, int parentKey)
{
RubricNode parentNode;
if (Nodes.TryGetValue(parentKey, out parentNode))
{
Nodes.Add(c.CriteriaID, new RubricNode(c));
parentNode.Children.AddLast(c.CriteriaID);
return c.CriteriaID;
}
else
{
// The parent doesn't exist in the dictionary!
return -1;
}
}
/// <summary>
/// Takes a Criteria and creates a new CriteriaTreeNode at the root of the collection.
/// </summary>
/// <param name="c">A criteria with a key given by the database. The criteria should have a key already (it should not be NoID).</param>
/// <returns>The criterias key (which references it in the dictionary as well as the DB).</returns>
public int AddNewNode(Criteria c)
{
RubricNode node = new RubricNode(c);
Nodes.Add(node.Criteria.CriteriaID, node);
RootNodes.AddLast(node.Criteria.CriteriaID);
return node.Criteria.CriteriaID;
}
private void setCriteria(LinkedList<CriteriaNode> list)
{
Criteria criteria;
foreach (CriteriaNode c in list)
{
criteria = new Criteria();
criteria.Description = c.Description;
criteria.MaxPoints = c.Points;
if (c.NumberOfChildren > 0)
{
setCriteria(c.ChildList);
}
// TODO: save criteria to the database... :D
}
}
private void setCriteria(TreeNodeCollection tree, int parentID, int assignmentID)
{
Criteria criteria;
foreach (CriteriaNode c in tree)
{
criteria = new Criteria();
criteria.Description = c.Description;
if (c.Nodes.Count > 0)
{
criteria.MaxPoints = 0;
}
else
{
criteria.MaxPoints = c.Points;
}
int criteriaID = dbConnention.AddCriteria(criteria,parentID,assignmentID);
setCriteria(c.Nodes, criteriaID, assignmentID);
}
}
public int AddCriteria(Criteria criteria, int parentID, int assignmentID)
{
if (criteria.HasID())
{
Debug.WriteLine("You should not add criteria if it already has an ID assigned.");
return criteria.CriteriaID;
}
else
{
// We need to insert rather than update because the criteria has no key.
string query = String.Format("INSERT INTO {0} (", tables.Criteria.TableName);
query += String.Format("{0}, ", tables.Criteria.Description);
query += String.Format("{0}, ", tables.Criteria.Points);
if (parentID != -1)
{
query += String.Format("{0}, ", tables.Criteria.ParentCriteriaID);
}
query += String.Format("{0}", tables.Criteria.AssignmentID);
query += ") VALUES (";
query += String.Format("@{0}, ", tables.Criteria.Description);
query += String.Format("@{0}, ", tables.Criteria.Points);
if (parentID != -1)
{
query += String.Format("@{0}, ", tables.Criteria.ParentCriteriaID);
}
query += String.Format("@{0}", tables.Criteria.AssignmentID);
query += ");";
OleDbCommand insert = new OleDbCommand(query, dbConnection);
insert.Parameters.Add(new OleDbParameter("@" + tables.Criteria.Description, OleDbType.VarChar)).Value = criteria.Description;
insert.Parameters.Add(new OleDbParameter("@" + tables.Criteria.Points, OleDbType.VarChar)).Value = criteria.MaxPoints;
if(parentID != -1){
insert.Parameters.Add(new OleDbParameter("@" + tables.Criteria.ParentCriteriaID, OleDbType.VarChar)).Value = parentID;
}
insert.Parameters.Add(new OleDbParameter("@" + tables.Criteria.AssignmentID, OleDbType.VarChar)).Value = assignmentID;
try
{
insert.ExecuteNonQuery();
}
catch
{
Debug.WriteLine("Could not insert criteria.");
}
// Now that we inserted the student, we need to get its ID
query = "SELECT @@IDENTITY;";
OleDbCommand getID = new OleDbCommand(query, dbConnection);
int key = criteria.CriteriaID;
try
{
key = (int)getID.ExecuteScalar();
}
catch
{
Debug.WriteLine("Could not retrieve criteria ID.");
}
return key;
}
}
private void setCriteria(LinkedList<CriteriaNode> list, int assignid)
{
Criteria criteria;
foreach (CriteriaNode c in list)
{
criteria = new Criteria();
criteria.Description = c.Description;
criteria.MaxPoints = c.Points;
c.CriteriaID = dbConnention.AddCriteria(criteria);
if (c.NumberOfChildren > 0)
{
foreach (CriteriaNode cn in c.ChildList)
{
cn.ParentID = c.CriteriaID;
}
setCriteria(c.ChildList,assignid);
}
}
}