/// <summary>
/// 取得班級空座號。
/// </summary>
public static List <string> GetUnUsedSeatNo(this ClassRecord classrecord)
{
List <int> UsedSeatNo = new List <int>();
List <string> UnUsedSeatNo = new List <string>();
int SeatNo;
if (classrecord == null)
{
return(UnUsedSeatNo);
}
foreach (StudentRecord studRec in classrecord.Students)
{
int.TryParse(studRec.SeatNo, out SeatNo);
UsedSeatNo.Add(SeatNo);
}
UsedSeatNo.Sort();
for (int i = 1; i <= classrecord.Students.Count; i++)
{
if (!UsedSeatNo.Contains(i))
{
UnUsedSeatNo.Add(i.ToString());
}
}
if (UsedSeatNo.Count > 0)
{
UnUsedSeatNo.Add((UsedSeatNo[UsedSeatNo.Count - 1] + 1).ToString());
}
return(UnUsedSeatNo);
}
public List <StudentRecord> GetClassStudents(ClassRecord classRec)
{
lock (_ClassStudents)
{
if (_ClassStudents.ContainsKey(classRec.ID))
{
return(new List <StudentRecord>(_ClassStudents[classRec.ID]));
}
else
{
return(new List <StudentRecord>());
}
}
}
public int CompareTo(StudentRecord other)
{
if (CompareStudentRecord != null)
{
CompareStudentRecordEventArgs args = new CompareStudentRecordEventArgs(this, other);
CompareStudentRecord(null, args);
return(args.Result);
}
else
{
ClassRecord c1 = this.Class;
ClassRecord c2 = other.Class;
if (c1 == c2)
{
int seatNo1 = int.MinValue, seatNo2 = int.MinValue;
int.TryParse(this.SeatNo, out seatNo1);
int.TryParse(other.SeatNo, out seatNo2);
if (seatNo1 == seatNo2)
{
return(this.StudentNumber.CompareTo(other.StudentNumber));
}
else
{
return(seatNo1.CompareTo(seatNo2));
}
}
else
{
if (c1 == null)
{
return(int.MinValue);
}
else if (c2 == null)
{
return(int.MaxValue);
}
return(c1.CompareTo(c2));
}
}
}
/// <summary>
/// 取得班級類別資料。
/// </summary>
public static List <ClassTagRecord> GetTags(this ClassRecord record)
{
return(ClassTag.Instance[record.ID]);
}
internal CompareClassRecordEventArgs(ClassRecord v1, ClassRecord v2)
{
Value1 = v1;
Value2 = v2;
}
