/// <summary>
/// 增加/修改班级信息
/// </summary>
/// <param name="operation"></param>
/// <param name="model"></param>
public void OperateClassInfo(OperationType operation, RegularClassModel model)
{
string classID;
int classSerial;
int newIndex = 0;
switch (operation)
{
case OperationType.Add:
_dal.Add(model, out classID, out classSerial);
model.ClassID = classID;
model.ClassSerial = classSerial;
RegularClassCollection.Add(model);
break;
case OperationType.Update:
_dal.Update(model, out classSerial);
model.ClassSerial = classSerial;
RegularClassCollection[RegularClassCollection.IndexOf(RegularClassCollection.Where(c => c.ClassID == model.ClassID).First())] = model;
OverdueChangedEvent?.Invoke();
break;
}
RegularClassCollection.Sort();
newIndex = RegularClassCollection.IndexOf(model);
RegularClassChangedEvent?.Invoke(operation, model, newIndex);
}
private void Enable(OperationType operation, RegularClassModel model)
{
if (operation == OperationType.Add || operation == OperationType.Update)
{
switch (operation)
{
case OperationType.Add:
Title = "增加常规班级";
SelectedClassType = string.Empty;
SelectedTeacher = string.Empty;
CostPerTerm = string.Empty;
break;
case OperationType.Update:
Title = "修改常规班级";
SelectedClassType = RegularClassType.Instance.RegularClassTypeCollection.Where(c => c.Level == model.ClassType).First().Name;
SelectedTeacher = model.TeacherName;
CostPerTerm = model.CostPerTerm.ToString();
break;
}
_operation = operation;
_model = model ?? new RegularClassModel();
HideErr();
Vis = Visibility.Visible;
}
}
/// <summary>
/// 界面通过该方法发起班级修改请求
/// </summary>
/// <param name="operation"></param>
/// <param name="model"></param>
public void RaiseChangeRegularClassEvent(OperationType operation, RegularClassModel model)
{
if (operation == OperationType.Update)
{
model = RegularClassCollection.Where(c => c.ClassID == model.ClassID).First();
}
ChangeRegularClassEvent?.Invoke(operation, model);
}
private void OnRegularClassChanged(OperationType operation, RegularClassModel model, int newIndex)
{
if (operation == OperationType.Add || operation == OperationType.Update)
{
if (operation == OperationType.Update)
{
Classes.Remove(Classes.Where(c => c.ClassID == model.ClassID).First());
}
Classes.Insert(newIndex, new ClassViewModel(model));
Classes[newIndex].ClassOperatedEvent += OnClassOperated;
}
}
public bool Update(RegularClassModel model, out int classSerial)
{
int rowsAffected;
SqlParameter[] parameters =
{
new SqlParameter("@ClassID", SqlDbType.VarChar, 50),
new SqlParameter("@TeacherID", SqlDbType.VarChar, 50),
new SqlParameter("@CostPerTerm", SqlDbType.Decimal, 9),
new SqlParameter("@ClassType", SqlDbType.Int),
new SqlParameter("@ClassSerial", SqlDbType.Int)
};
parameters[0].Value = model.ClassID;
parameters[1].Value = model.TeacherID;
parameters[2].Value = model.CostPerTerm;
parameters[3].Value = model.ClassType;
parameters[4].Direction = ParameterDirection.Output;
DbHelperSQL.RunProcedure("RegularClassInfo_Update_LK", parameters, out rowsAffected);
classSerial = int.Parse(parameters[4].Value.ToString());
return(true);
}
public void OperateRegularClass(OperationType operation, RegularClassModel model)
{
_bussiness.OperateClassInfo(operation, model);
}
public void Enable(OperationType operation, RegularClassModel model)
{
OperationEnableEnvet?.Invoke(operation, model);
}
