public override void undo()
{
_ep.Nodes.Remove(_course);
AppForm.getAppForm().getCoursesTreeView().SelectedNode = _ep;
AppForm.getAppForm().getCoursesTreeView().SelectedNode.EnsureVisible();
if (HardConstraintChecks.checkIfCourseTypeIsFreeForDelete(_course))
{
AppForm.CURR_OCTT_DOC.CourseTypesList.Remove(_course.CourseType);
}
_ep.removeCourseFromUnallocatedLessonsModelAndView(_course, AppForm.getAppForm().getUnallocatedLessonsListView());
AppForm.getAppForm().getStatusBarPanel2().Text = AppForm.CURR_OCTT_DOC.getNumOfUnallocatedLessonsStatusText();
AppForm.getAppForm().getTreeTabControl().SelectedIndex = 0;
}
public override void doit()
{
_course.setNumberOfLessonsPerWeek(_newNumOfLessonsPerWeek);
_course.setNumberOfEnrolledStudents(_newNumOfEnrolledStudents);
_course.setIsGroup(_newIsGroup);
_course.setGroupName(_newGroupName);
_course.setShortName(_newShortName);
_course.setTeacher(_newTeacher);
_course.ExtID = _newExtID;
_course.CourseType = _newCourseType;
if (_newCourseType != _oldCourseType)
{
updateTSPLabels();
if (!AppForm.CURR_OCTT_DOC.CourseTypesList.Contains(_newCourseType))
{
AppForm.CURR_OCTT_DOC.CourseTypesList.Add(_newCourseType);
AppForm.CURR_OCTT_DOC.CourseTypesList.Sort();
}
if (HardConstraintChecks.checkIfCourseTypeIsFreeForDelete(_course))
{
AppForm.CURR_OCTT_DOC.CourseTypesList.Remove(_oldCourseType);
}
}
if (_oldName != _newName || _oldCourseType != _newCourseType)
{
_course.setName(_newName);
updateTSPLabels();
}
//update of existing lessons in ListView
updateListViewText();
int diff;
if (_oldNumOfLessonsPerWeek > _newNumOfLessonsPerWeek)
{
diff = _oldNumOfLessonsPerWeek - _newNumOfLessonsPerWeek;
for (int n = 0; n < diff; n++)
{
_ep.removeOneLessonFromUnallocatedLessonsModelAndListView(_course, AppForm.getAppForm().getUnallocatedLessonsListView());
AppForm.CURR_OCTT_DOC.decrUnallocatedLessonsCounter(1);
}
}
else if (_newNumOfLessonsPerWeek > _oldNumOfLessonsPerWeek)
{
//we have to add lessons
diff = _newNumOfLessonsPerWeek - _oldNumOfLessonsPerWeek;
for (int k = 0; k < diff; k++)
{
string [] courseTeacher = new string[2];
courseTeacher[0] = _course.getFullName();
courseTeacher[1] = _course.getTeacher().getLastName() + " " + _course.getTeacher().getName();
ListViewItem lvi = new ListViewItem(courseTeacher);
lvi.Tag = _course;
lvi.EnsureVisible();
AppForm.getAppForm().getUnallocatedLessonsListView().Items.Add(lvi);
ListViewItem lvi2 = (ListViewItem)lvi.Clone();
_ep.getUnallocatedLessonsList().Add(lvi2);
AppForm.CURR_OCTT_DOC.incrUnallocatedLessonsCounter(1);
}
}
_course.setTreeText();
sortIt();
}
