private void showAlertMessaageToUser()
{
MessageBoxResult result = MessageBox.Show("你已经修改了相关内容，请确认是否保存数据?",
"Confirmation", MessageBoxButton.YesNoCancel);
if (result == MessageBoxResult.Yes)
{
// Yes code here
CourseWeekViewModel.getInstance().selectedClassId = ((int)ClassesBox.SelectedValue);
CourseWeekViewModel.getInstance().saveOneWeekCourseData();//TODO should be in thread.
CourseWeekViewModel.getInstance().clealrOneWeekCourse();
refreshData();
}
else if (result == MessageBoxResult.No)
{
// No code here
CourseWeekViewModel.getInstance().selectedClassId = ((int)ClassesBox.SelectedValue);
CourseWeekViewModel.getInstance().clealrOneWeekCourse();
refreshData();
}
else
{
// Cancel code here, do nothing.
ClassesBox.SelectedIndex = ClassViewModel.getInstance().getGradeIndexById(CourseWeekViewModel.getInstance().selectedClassId);
}
}
private void init()
{
//Fetch data from memory.
mEditingColumn = (int)Application.Current.Properties["OneWeekCourseEditingColumn"];
mEditingRow = (int)Application.Current.Properties["OneWeekCourseEditingRow"];
mCourseWeekItem = CourseWeekViewModel.getInstance().getCourseWeekItemByJieCi(mEditingRow, mEditingColumn);
//Start to give related value to collection.
courseTeacherComboBox.ItemsSource = ClassViewModel.getInstance().allTeachers;
;
courseGroupComboBox.ItemsSource = CourseWeekViewModel.getInstance().allCourseGroup;
courseLocationComboBox.ItemsSource = CourseWeekViewModel.getInstance().allCourseLocations;
if (mCourseWeekItem != null)
{
//Means modify data.
courseTeacherComboBox.SelectedIndex = ClassViewModel.getInstance().getTeacherIndexById(mCourseWeekItem.teacherid);
courseGroupComboBox.SelectedIndex = CourseWeekViewModel.getInstance().getCourseGroupIndexById(mCourseWeekItem.coursegroupid);
courseLocationComboBox.SelectedIndex = CourseWeekViewModel.getInstance().getCourseLocationIndexById(mCourseWeekItem.locationid);
contentDescTextBox.Text = mCourseWeekItem.contentdesc;
}
else
{
//It means we should create the new one.
mCourseWeekItem = new CourseWeekItem();
mCourseWeekItem.gradeid = CourseWeekViewModel.getInstance().selectedClassId;
mCourseWeekItem.weekno = CourseWeekViewModel.getInstance().courseWeekNoForDB;
mCourseWeekItem.weekday = mEditingColumn + 1;
mCourseWeekItem.jieci = (mEditingColumn + 1) * 10 + mEditingRow;
//Bind the initial comboBox value.
courseTeacherComboBox.SelectedIndex = ClassViewModel.getInstance().getTeacherIndexById(CourseWeekViewModel.getInstance().defaultTeacherId);
courseLocationComboBox.SelectedIndex = CourseWeekViewModel.getInstance().getCourseLocationIndexById(CourseWeekViewModel.getInstance().defaultLocationId);
}
}
void worker_initDataCompleted(object sender, RunWorkerCompletedEventArgs e)
{
//Bind Data to UI.
weeknoTextBlock.Text = "第" + CourseWeekViewModel.getInstance().courseWeekNoForDisplay + "周课程表";
ClassesBox.ItemsSource = ClassViewModel.getInstance().allClasses;
ClassesBox.SelectedIndex = ClassViewModel.getInstance().getClassIndexById(CourseWeekViewModel.getInstance().selectedClassId);
bindDataToUI();
}
private string getJieCiDescription(int row, int column)
{
CourseWeekItem item = CourseWeekViewModel.getInstance().getCourseWeekItemByJieCi(row, column);
if (item != null)
{
return(CourseWeekViewModel.getInstance().getCourseGroupById(item.coursegroupid).courseName + "\n" +
item.contentdesc + "\n" +
ClassViewModel.getInstance().getTeacherById(item.teacherid).name + "\n" +
CourseWeekViewModel.getInstance().getLocationById(item.locationid).location + "\n");
}
else
{
return("");
}
}
private void GradesBox_SelectionChanged(object sender, System.Windows.Controls.SelectionChangedEventArgs e)
{
//If the user has data need to be saved. we should alert the user.
if (mFirstEnter)
{
mFirstEnter = false;
}
else
{
if (CourseWeekViewModel.getInstance().contentHasChanged)
{
showAlertMessaageToUser();
}
else
{
CourseWeekViewModel.getInstance().selectedClassId = ((int)ClassesBox.SelectedValue);
CourseWeekViewModel.getInstance().clealrOneWeekCourse();
refreshData();
}
}
}
private void confirmBtn_Click(object sender, RoutedEventArgs e)
{
int oldCourseGroupId = mCourseWeekItem.coursegroupid;
int oldCourseTeacherId = mCourseWeekItem.teacherid;
int oldCourseLocationId = mCourseWeekItem.locationid;
string oldCouseContentDesc = mCourseWeekItem.contentdesc;
//bind the new data.
if (courseGroupComboBox.SelectedValue != null)
{
mCourseWeekItem.coursegroupid = (int)courseGroupComboBox.SelectedValue;
}
mCourseWeekItem.teacherid = (int)courseTeacherComboBox.SelectedValue;
mCourseWeekItem.locationid = (int)courseLocationComboBox.SelectedValue;
mCourseWeekItem.contentdesc = contentDescTextBox.Text;
if ((mCourseWeekItem.id != -1 && (oldCourseGroupId != mCourseWeekItem.coursegroupid ||
oldCourseTeacherId != mCourseWeekItem.teacherid ||
oldCourseLocationId != mCourseWeekItem.locationid ||
!oldCouseContentDesc.Equals(mCourseWeekItem.contentdesc))))
{
//This means has modified the original data.
CourseWeekViewModel.getInstance().contentHasChanged = true;
}
//Save new data into memory.
if (mCourseWeekItem.id == -1 && CourseWeekViewModel.getInstance().isNeedTOSaveInMemoryByJieCi(mEditingRow, mEditingColumn))
{
//this means we have added new data.
CourseWeekViewModel.getInstance().saveCourseWeekItemInMemory(mCourseWeekItem);
CourseWeekViewModel.getInstance().contentHasChanged = true;
}
//Close the window.
Close();
}
void refreshData()
{
//TODO should be run in thread.
CourseWeekViewModel.getInstance().worker_reloadOneWeekCourseDataFromDatabase();
bindDataToUI();
}
public void worker_initData(object sender, DoWorkEventArgs e)
{
//Do the logic to judge init from database or newMaker.
//CourseWeekViewModel.getInstance().worker_initDataFromDatabase();
CourseWeekViewModel.getInstance().worker_initDataFromDatabase(false);
}
private void saveDataToDBBtn_Click(object sender, RoutedEventArgs e)
{
CourseWeekViewModel.getInstance().saveOneWeekCourseData();
}