internal void LoadEnrollments(BackgroundWorker worker, int progressBase, int progressWidth)
{
var ws = (Worksheet)Book.Sheets["2.選班資料"];
try
{
ws.Unprotect();
Range r = ws.Range[
ws.Cells[RowOffset + 1, ColumnOffset + 1],
ws.Cells[RowOffset + StuList.Count, ColumnOffset + ActList.Count]
];
int curr = 0;
int count = r.Count;
EnrollList = new List<Enrollment>();
foreach (Range c in r)
{
if (c.Value2 != null && ((string)c.Text != ""))
{
try
{
Activity act = ActList[c.Column - ColumnOffset - 1];
Student stu = StuList[c.Row - RowOffset - 1];
var enroll = new Enrollment(
act,
stu,
(string)c.Text
);
EnrollList.Add(enroll);
c.Interior.Pattern = Constants.xlNone;
}
catch (KeyNotFoundException)
{
c.Interior.Color = XlRgbColor.rgbLightGrey;
}
catch (ArgumentException)
{
c.Interior.Color = XlRgbColor.rgbDarkGrey;
}
}
worker.ReportProgress(progressBase + progressWidth * ++curr / count);
}
}
finally
{
ws.Protect(Contents: true, Scenarios: true);
}
EnrollList.Sort(EnrollPriorityComparator.FORWARD);
foreach (Enrollment enroll in EnrollList)
{
Debug.Print(enroll.ToString());
}
}
private void ForceEnroll(Enrollment e, Constraint[] restrict, int lvl, List<Enrollment> maybe)
{
if (lvl == restrict.Length)
{
Debug.Assert(e.GetRestricted() == null);
e.Enrolled = true;
var list = from eB in maybe.Distinct()
orderby eB.PriorityI
select eB;
foreach (Enrollment eB in list)
if (!eB.Enrolled && eB.GetRestricted() == null)
eB.Enrolled = true;
if (CheckVisit(EnrollStatus)) return;
Queue(EnrollStatus);
}
else
{
State oldState = EnrollStatus;
var rA = restrict[lvl].Accepted.OrderByDescending(eA => eA.PriorityI).Take(PROCESS_ROUND);
foreach (var r in rA)
{
EnrollStatus = oldState;
r.Enrolled = false;
var _maybe = (maybe == null ? new List<Enrollment>() : new List<Enrollment>(maybe));
_maybe.AddRange(r.ActivityQuota.Rejected);
_maybe.AddRange(r.StudentQuota.Rejected);
ForceEnroll(e, restrict, lvl + 1, _maybe);
}
}
}