public frmBuilder()
{
InitializeComponent();
if ((mainDB = CourseDB.LoadDB()) == null)
{
mainDB = new CourseDB(1000);
mainDB.SaveDB();
}
mainDB.PopulateListBox(lbxCList);
}
public frmSchedule()
{
InitializeComponent();
year = System.DateTime.Now.Year;
plan = new AcademicYear[1];
mainDB = CourseDB.LoadDB();
plan[0] = AcademicYear.LoadYear(year);
if (mainDB == null)
{
mainDB = new CourseDB(1000);
mainDB.SaveDB();
}
if (plan[0] == null)
{
plan[0] = new AcademicYear(year);
plan[0].SaveYear();
}
plan[0].Fall.PopulateListBox(lbxFall);
plan[0].Winter.PopulateListBox(lbxWinter);
plan[0].Spring.PopulateListBox(lbxSpring);
plan[0].Summer.PopulateListBox(lbxSummer);
mainDB.PopulateListBox(lbxAvailable);
yearIndex = 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);
}
}
private void cmdSwitch_Click(object sender, System.EventArgs e)
{
(new frmBuilder()).ShowDialog(); // Blocking
mainDB = CourseDB.LoadDB();
mainDB.PopulateListBox(lbxAvailable);
}