public EditStudentWindowViewModel(Student student, Window window)
{
if (student == null)
{
_currentStudent = new Student();
_currentStudent.StartTime = DateTime.Now;
this.IsForNew = true;
_studyProcesses = new StudyProcessEntryCollection();
}
else
{
_currentStudent = student;
this.IsForNew = false;
_studyProcesses = new StudyProcessEntryCollection();
}
foreach (StudyItem key in Enum.GetValues(typeof(StudyItem)))
{
string value = _currentStudent.StudyItemGetter(key);
if (value != null)
{
_studyProcesses.Add(new StudyProcessEntry(key, value.Trim()));
}
else
{
_studyProcesses.Add(new StudyProcessEntry(key, ""));
}
}
this.CurrentWindow = window;
}
public void CloneFrom(Student item)
{
this.Name = item.Name;
this.Identity = item.Identity;
this.StartTime = item.StartTime;
this.Contact = item.Contact;
this.EndTime = item.EndTime;
this.Note = item.Note;
foreach (StudyItem key in Enum.GetValues(typeof(StudyItem)))
{
this.StudyItemSetter(key, "");
string newValue = item.StudyItemGetter(key);
this.StudyItemSetter(key, newValue);
}
}
public void Insert(Student student)
{
this.dataContext.StudentTable.InsertOnSubmit(student);
}
public void Delete(Student student)
{
this.dataContext.StudentTable.DeleteOnSubmit(student);
}
public void TestInsert()
{
Student stu1 = new Student() { Name = "stu''1", Identity = "2202014986146513541", Contact = "1212", StartTime = DateTime.Parse("2012-1-1"), EndTime = DateTime.Parse("2012-2-1") };
Student stu2 = new Student() { Name = "stu2", Identity = "2202014981212113541", Contact = "1212", StartTime = DateTime.Parse("2012-1-1") };
StudentCollection _allStudents = new StudentCollection();
StudentDataContext dc = new StudentDataContext(this.connection);
dc.StudentTable.InsertOnSubmit(stu2);
dc.SubmitChanges();
}
void EditExecute()
{
EditStudentWindow window = new EditStudentWindow();
Student editItem = new Student();
editItem.CloneFrom(this.SelectedItem);
EditStudentWindowViewModel vm = new EditStudentWindowViewModel(editItem, window);
window.DataContext = vm;
window.ShowDialog();
OnEditComplete(vm);
}