/// <summary>
/// Event handler for "Delete quiz" button
/// </summary>
/// <param name="sender">The object sending the request, in this case a button</param>
/// <param name="e">Event arguments</param>
private void DeleteQuizButton_Click(object sender, RoutedEventArgs e)
{
if (QuizesListView.SelectedIndex >= 0)
{
if (quizHandler.RemoveQuiz(QuizesListView.SelectedIndex))
{
quizes.RemoveAt(QuizesListView.SelectedIndex);
QuestionsOfSelectedQuiz.Clear();
QuestionsAnswersTabControl.IsEnabled = false;
}
}
else
{
MessageBoxes.ShowInformationMessageBox("Please select a quiz to remove");
}
}
/// <summary>
/// Event handler for "Edit quiz" button
/// </summary>
/// <param name="sender">The object sending the request, in this case a ListView</param>
/// <param name="e">The event arguments</param>
private void EditQuestionButton_Click(object sender, RoutedEventArgs e)
{
if (QuestionsOfSelectedQuizListView.SelectedIndex >= 0)
{
GenericChangePopupUserControl popupCtrl = new GenericChangePopupUserControl();
popupCtrl.TypeOfAction = Mode.Edit;
popupCtrl.TypeOfItemToHandle = TypeOfItemToChange.Question;
popupCtrl.OldTitle = QuestionsOfSelectedQuiz.Where(x => x.Id == QuestionsOfSelectedQuizListView.SelectedIndex + 1).FirstOrDefault().Title;
popupCtrl.IsSavedEvent += (senderIsSaved, eIsSaved) =>
{
ChangeQuestionInformation(QuestionsOfSelectedQuizListView.SelectedIndex, eIsSaved.NewTitle);
UcContainer.Children.Remove(eIsSaved.UserControl);
};
popupCtrl.InitializeGui();
UcContainer.Children.Add(popupCtrl);
}
else
{
MessageBoxes.ShowInformationMessageBox("Please select an question to edit");
}
}
/// <summary>
/// Event handler for "Edit answer" button
/// </summary>
/// <param name="sender">The object sending the request, in this case a button</param>
/// <param name="e">The event arguments</param>
private void EditAnswerButton_Click(object sender, RoutedEventArgs e)
{
if (AnswersOfSelectedQuestionListView.SelectedIndex >= 0)
{
GenericChangePopupUserControl popupCtrl = new GenericChangePopupUserControl();
popupCtrl.TypeOfAction = Mode.Edit;
popupCtrl.TypeOfItemToHandle = TypeOfItemToChange.Answer;
popupCtrl.OldTitle = quizHandler.quizManager.GetAt(QuizesListView.SelectedIndex).Questions.GetAt(QuestionsOfSelectedQuizListView.SelectedIndex).Answers.GetAt(AnswersOfSelectedQuestionListView.SelectedIndex).Title;
popupCtrl.OldIsRightAnswer = quizHandler.quizManager.GetAt(QuizesListView.SelectedIndex).Questions.GetAt(QuestionsOfSelectedQuizListView.SelectedIndex).Answers.GetAt(AnswersOfSelectedQuestionListView.SelectedIndex).RightAnswer;
popupCtrl.IsSavedEvent += (senderIsSaved, eIsSaved) =>
{
ChangeAnswerInformation(AnswersOfSelectedQuestionListView.SelectedIndex, eIsSaved.NewTitle);
UcContainer.Children.Remove(eIsSaved.UserControl);
};
popupCtrl.InitializeGui();
UcContainer.Children.Add(popupCtrl);
}
else
{
MessageBoxes.ShowInformationMessageBox("Please select an answer to edit");
}
}
/// <summary>
/// Asks theuser if they want to continue without saving
/// </summary>
/// <returns>true/false</returns>
private static bool WantToContinueWithoutSaving()
{
return(MessageBoxes.ShowSaveWarningMessageBox("Your current work will be lost, please save them first. Do you want to continue?") == MessageBoxResult.Yes);
}
