private void frmCourse_Load(object sender, EventArgs e)
        {
            txtID.Text        = course.CourseID;
            txtDesc.Text      = course.Description;
            cbxFall.Checked   = course.Fall;
            cbxWinter.Checked = course.Winter;
            cbxSpring.Checked = course.Spring;
            cbxSummer.Checked = course.Summer;

            if (course.Prereqs != null && course.Prereqs.Length > 0)
            {
                NList iter = course.Prereqs;
                for (iter.MoveFront(); iter.Index >= 0; iter.MoveNext())
                {
                    lbxPre.Items.Add(iter);
                }
            }
            else
            {
                lbxPre.Items.Add("None");
            }

            if (course.Coreqs != null && course.Coreqs.Length > 0)
            {
                NList iter = course.Coreqs;
                for (iter.MoveFront(); iter.Index >= 0; iter.MoveNext())
                {
                    lbxCo.Items.Add(iter);
                }
            }
            else
            {
                lbxCo.Items.Add("None");
            }
        }
Example #2
0
        private void AddCourse(Course course, CourseDB term, ListBox lbx)
        {
            NList        iter = course.Prereqs.Copy();
            AcademicYear ay;
            Course       cs;
            bool         found;

            // Check previous years for prereqs
            for (int i = 0; i < yearIndex; ++i)
            {
                ay = plan[i];

                for (iter.MoveFront(); iter.Index >= 0; iter.MoveNext())
                {
                    cs    = (Course)iter.Get();
                    found = ay.Fall.ContainsKey(cs.CourseID) || ay.Winter.ContainsKey(cs.CourseID) || ay.Spring.ContainsKey(cs.CourseID) || ay.Summer.ContainsKey(cs.CourseID);

                    if (found)
                    {
                        iter.Delete();
                    }
                }
            }

            ay = plan[yearIndex];

            // Check current year for prereqs
            for (iter.MoveFront(); iter.Index >= 0; iter.MoveNext())
            {
                cs = (Course)iter.Get();

                if (term == ay.Winter)
                {
                    found = ay.Fall.ContainsKey(cs.CourseID);
                }
                else if (term == ay.Spring)
                {
                    found = ay.Winter.ContainsKey(cs.CourseID) || ay.Fall.ContainsKey(cs.CourseID);
                }
                else if (term == ay.Summer)
                {
                    found = ay.Spring.ContainsKey(cs.CourseID) || ay.Winter.ContainsKey(cs.CourseID) || ay.Fall.ContainsKey(cs.CourseID);
                }
                else
                {
                    found = false;
                }

                if (found)
                {
                    iter.Delete();
                }
            }

            // Only add the course if it's prerequisites have been satisfied
            if (iter.Length < 1)
            {
                term.Add(course.CourseID, course);
                ay.SaveYear();
                term.PopulateListBox(lbx);
            }
        }