private void GetListHelper(CourseTreeNode Node)
{
foreach (CourseTreeNode Child in Node.Children)
{
GetListHelper(Child);
}
ListResult.Add(Node.Course);
}
//Returns the node for a particular course
public CourseTreeNode GetNode(CourseTreeNode curr, int CourseID)
{
if (curr.Course.Id == CourseID)
{
return(curr);
}
else
{
foreach (CourseTreeNode Node in curr.Children)
{
return(GetNode(Node, CourseID));
}
}
return(Root);
}
public CourseTreeNode getRoot()
{
if (Root == null)
{
//Create a dummy course to serve as the root
Course dummy = new Course();
dummy.Id = 00000;
dummy.Number = 000;
dummy.Department = "CSC";
dummy.Title = "Root";
dummy.Description = "Root course";
dummy.Units = 0.0M;
Root = new CourseTreeNode(this, dummy);
}
return(Root);
}
//add a node to the tree
public void AddNode(CourseTreeNode Node)
{
//Connect to parents
if (Node.Course.Prerequisites.Count == 0)
{
Node.Parents.Add(getRoot());
Root.Children.Add(Node);
}
else
{
foreach (Course req in Node.Course.Prerequisites)
{
CourseTreeNode Temp = GetNode(getRoot(), req.Id);
Node.Parents.Add(Temp);
Temp.Children.Add(Node);
}
}
}
//Add a course for which this is a prerequisite to the children list
public void AddRequiredFor(CourseTreeNode Course)
{
Children.Add(Course);
}
//Add a prerequisite course to the list of parents
public void AddPrereq(CourseTreeNode Prereq)
{
Parents.Add(Prereq);
}
