def onBackupDB(self):
copyto = QFileDialog.getSaveFileName(caption="Save Backup As",
filter="Quiz Databases (*.db);;All files (*)")
copyto = unicode(copyto)
if not copyto: # canceled
return
copyto = utils.forceExtension(copyto, 'db')
if copyto is None:
# see docstring of forceExtension
return
db.database.inter.close() # make sure everything's been saved
try:
shutil.copyfile(self.dbpath, copyto)
except shutil.Error:
utils.errorBox("You cannot back up a file to itself! " \
"(But nice try...)", "Backup failed")
except IOError:
utils.errorBox("Backup failed. Please be sure that the " \
"destination is writeable and not full and " \
"that you have permission to access it.",
"Backup failed")
else:
utils.informationBox("Backup successful.", "Success")
finally:
self._connectDb(self.dbpath) # reconnect
def onClearPW(self):
r = utils.questionBox("Do you really want to clear your LaTeX server "
"password and all saved email "
"passwords for all classes?", "Clear passwords?")
if r == QMessageBox.Yes:
ui.prefs.wipeAllPasswords(self.databaseConfig)
utils.informationBox("All saved passwords have been cleared.", "Success")
def writeConfiguration():
key, ok = QInputDialog.getText(self, "Write Config Value", "Key:")
if (not ok) or (not key):
utils.informationBox("Cancelled.")
return
value, ok = QInputDialog.getText(self, "Write Config Value", "Value:")
if (not ok) or (not value):
utils.informationBox("Cancelled.")
return
self.config.writeConf(key, value)
def accept(self):
r = utils.questionBox("Rescheduling will place your selected new sets "
"into review and schedule any review sets "
"further into the future. Rescheduling cannot "
"be undone. Continue?", "Confirm Reschedule")
if r == QMessageBox.Yes:
self.parent.quiz.rewriteSchedule()
self.parent.previewResult = True
utils.informationBox("The quiz was exported successfully. "
"Sets have been rescheduled.",
"Quiz generated")
QDialog.accept(self)
def onImport(self):
f = QFileDialog.getOpenFileName(caption="Import Students from CSV",
filter="All files (*)")
if not f:
return
importer = db.students.StudentImporter(f, self._currentClass())
errors = importer.txtImport()
self.reFillStudents()
if errors:
utils.tracebackBox("Import returned the following errors:\n%s\n\nAny " \
"students that were valid have been imported." \
% errors, "Import Results", False)
else:
utils.informationBox("Import completed successfully.",
"Import Results")
def onExport(self):
filename = QFileDialog.getSaveFileName(
caption="Import Students from CSV", filter="All files (*)")
if not filename:
return
try:
db.students.exportCsv(
db.students.studentsInClass(self._currentClass()), filename)
except Exception as e:
utils.tracebackBox("Could not write to the location specified. "
"The original error is as follows:\n\n"
"%s" % traceback.format_exc(),
title="Export Failed",
includeErrorBoilerplate=False)
else:
utils.informationBox("Export completed successfully.",
"Export Results")
def onEmailResults(self):
obj = self.tableModel.getObj(self.form.tableView.currentIndex())
if obj.resultsFlag == 2:
r = utils.questionBox(
"You have already successfully emailed the "
"results of this quiz to all students. Do you really want "
"to do it again?", " Really send email again?")
if r != QMessageBox.Yes:
return
ew = ui.emailing.EmailingDialog(self, self._currentClass(),
self._currentZid(), self.dbConf,
self.qConf)
success = ew.exec_()
if success:
utils.informationBox("The results were emailed successfully.",
"Email complete")
obj = self.tableModel.getObj(self.form.tableView.currentIndex())
obj.rewriteResultsFlag(2) # results emailed
def forceSave():
db.database.forceSave()
utils.informationBox("Saved.")
def onVersion(self):
utils.informationBox(APPLICATION_VERSION, "Version")