public void initData()
{
//Confirmation all teachers, grades and classes have loaded.
if (!ClassViewModel.getInstance().mIsInitialized)
{
ClassViewModel.getInstance().worker_initData();
}
//confirmation all course groups and locations has loaded.
if (!CourseWeekViewModel.getInstance().mIsInitialized)
{
CourseWeekViewModel.getInstance().worker_initDataFromDatabase(false);
}
//Get the current user's id.
MemberBasic currentUser = (MemberBasic)Application.Current.Properties["currentUser"];
int basicid = 0;
if (currentUser != null)
{
basicid = currentUser.id;
}
selectedClassid = DatabaseHelper.getClassIdByHeadTeacherId(basicid);
classCourses = DatabaseHelper.getClassCoursesByTeacherId(basicid);
//find the class which the teacher has teached.
foreach (ClassCourse cc in classCourses)
{
classes.Add(ClassViewModel.getInstance().getClassById(cc.classid));
}
courseGroups = getCourseGroupsByClassId(selectedClassid);
selectedCourseid = courseGroups[0].id;
//start load course cards.
currentCourseCards = DatabaseHelper.getAllCourseCards(selectedClassid, selectedCourseid);
}
public void initData()
{
initWeekNo();
//Judge ClassViewModel is initilized to get all teachers, all grades and all classes.
if (!ClassViewModel.getInstance().mIsInitialized)
{
ClassViewModel.getInstance().worker_initData();
}
//init selected grade id.
MemberBasic currentUser = (MemberBasic)Application.Current.Properties["currentUser"];
if (currentUser != null)
{
//set selectedGradeId;
int basicId = currentUser.id;
selectedClassId = DatabaseHelper.getClassIdByTeacherId(basicId);
}
if (selectedClassId == -1)
{
selectedClassId = ClassViewModel.getInstance().allClasses[0].id;
}
//init courseGroups.
allCourseGroups = DatabaseHelper.getallCourseGroups();
readWeeklyReportItemsFromDataBase(-1);
}
public static ClassViewModel getInstance()
{
// DoubleLock
if (instance == null)
{
lock (m_lock)
{
if (instance == null)
{
instance = new ClassViewModel();
}
}
}
return(instance);
}
public void worker_initDataFromDatabase(bool newMakeCourseSchedule)
{
initWeekNo();
//Judge ClassViewModel is initilized to get all teachers, all grades and all classes.
if (!ClassViewModel.getInstance().mIsInitialized)
{
ClassViewModel.getInstance().worker_initData();
}
// load course groups and locations.
justInitCourseGroupsAndLocations();
//init selected grade id.
MemberBasic currentUser = (MemberBasic)Application.Current.Properties["currentUser"];
if (currentUser != null)
{
//set selectedGradeId;
defaultTeacherId = currentUser.id;
selectedClassId = DatabaseHelper.getClassIdByTeacherId(defaultTeacherId);
}
if (selectedClassId == -1)
{
defaultTeacherId = ClassViewModel.getInstance().allTeachers[0].id;
selectedClassId = ClassViewModel.getInstance().allClasses[0].id;
}
defaultLocationId = ClassViewModel.getInstance().getClassDefaultLocationByClassId(selectedClassId);
//1415211 14~15代表学年，2代表第二学期，11代表第十一周
if (newMakeCourseSchedule)
{
oneWeekCourseWeekItems = new ObservableCollection <CourseWeekItem>();
}
else
{
oneWeekCourseWeekItems = DatabaseHelper.getOneWeekCourseWeekItems(selectedClassId, courseWeekNoForDB);
}
mHasSavedInMemoryHashTable = new Hashtable();
mIsInitialized = true;
}