private void InitializeWindowCommandBindings()
{
this.WindowCommandBindings.AddRange(
new List <CommandBinding>
{
new CommandBinding(
NavigationButtonCommands.Cancel,
(e, o) =>
{
var delete = PopUpWindow.ConfirmationWindow(
this.LocalizationService.Translate("Cancel"),
this.LocalizationService.Translate("Do you really want to cancel and rewind all current changes?"));
if (delete)
{
if (this.isNew)
{
this.SlideSessionModel.Questions.Remove(this.SlideQuestionModel);
}
else
{
this.SlideQuestionModel = this.questionBeforeEdit;
}
// don't save presentation on cancel (no changes here)
this.ViewPresenter.CloseWithoutPrompt();
}
},
(e, o) => o.CanExecute = true),
new CommandBinding(
NavigationButtonCommands.Forward,
(e, o) =>
{
var validationResult = this.Validate();
if (validationResult.Item1)
{
this.ViewPresenter.Show(
new AnswerOptionViewViewModel(this.GetViewModelRequirements(), this.questionId, this.isNew, this.questionBeforeEdit));
}
else
{
this.DisplayFailedValidationResults(validationResult.Item2);
}
},
(e, o) => o.CanExecute = true)
});
}
public void DeleteQuizFromSelectedSlide(Slide slide)
{
var slideSessionModel = this.GetSlideSessionModel();
var slideQuestionModel = slideSessionModel.Questions.First(q => q.QuestionInfoSlideId == slide.SlideID ||
q.QuestionTimerSlideId == slide.SlideID ||
q.ResultsSlideId == slide.SlideID);
if (slideQuestionModel == null)
{
throw new Exception("No existing arsnova question on slide.");
}
var questionText = $"{this.localizationService.Translate("Do you really want to delete this question?")}{Environment.NewLine}{Environment.NewLine}";
questionText += slideQuestionModel.QuestionText;
var deleteQuestion = PopUpWindow.ConfirmationWindow(
this.localizationService.Translate("Delete"),
questionText);
if (deleteQuestion)
{
SlideTracker.RemoveSlide(slideQuestionModel.QuestionInfoSlideId);
if (this.IsARSnovaClickSession())
{
SlideTracker.RemoveSlide(slideQuestionModel.QuestionTimerSlideId.Value);
}
SlideTracker.RemoveSlide(slideQuestionModel.ResultsSlideId.Value);
if (!this.IsARSnovaClickSession())
{
this.sessionManager.DeleteVotingQuestion(slideSessionModel, slideQuestionModel);
}
slideSessionModel.Questions.Remove(slideQuestionModel);
}
}
private void InitializeWindowCommandBindings()
{
this.WindowCommandBindings.AddRange(
new List <CommandBinding>
{
new CommandBinding(
NavigationButtonCommands.Cancel,
(e, o) =>
{
var delete = PopUpWindow.ConfirmationWindow(
this.LocalizationService.Translate("Cancel"),
this.LocalizationService.Translate("Do you really want to cancel and rewind all current changes?"));
if (delete)
{
if (this.isNew)
{
this.SlideSessionModel.Questions.Remove(this.SlideQuestionModel);
this.OnPropertyChanged(nameof(this.SlideSessionModel.Questions));
}
else
{
this.SlideQuestionModel = this.questionBeforeEdit;
this.OnPropertyChanged(nameof(this.SlideSessionModel.Questions));
}
// don't save presentation on cancel (no changes here)
this.ViewPresenter.CloseWithoutPrompt();
}
},
(e, o) => o.CanExecute = true),
new CommandBinding(
NavigationButtonCommands.Back,
(e, o) =>
{
this.ViewPresenter.Show(
new QuestionViewViewModel(
this.GetViewModelRequirements(), this.questionId, this.isNew,
this.questionBeforeEdit));
},
(e, o) => o.CanExecute = true),
new CommandBinding(
NavigationButtonCommands.Finish,
(e, o) =>
{
var validationResult = this.Validate();
if (validationResult.Item1)
{
this.SlideQuestionModel.QuestionTypeText = this.QuestionTypeTranslator.TranslateQuestionType(this.SlideQuestionModel.QuestionType);
var questionInfoSlide = SlideTracker.GetSlideById(this.SlideQuestionModel.QuestionInfoSlideId);
if (questionInfoSlide != null)
{
var questionInfoSlideNumber = questionInfoSlide.SlideNumber;
this.SlideQuestionModel.SlideNumbers = $"{questionInfoSlideNumber} - {questionInfoSlideNumber + 2}";
}
if (this.SlideSessionModel.SessionType == SessionType.ArsnovaVoting)
{
// arsnova.click session will be posted to server on presentation startup
this.SessionManager.CreateOrUpdateArsnovaVotingQuestion(this.SlideSessionModel,
this.SlideQuestionModel.Index);
}
this.AddSessionToSlides(this.SlideQuestionModel);
PresentationInformationStore.StoreSlideSessionModel(this.SlideSessionModel);
}
else
{
this.DisplayFailedValidationResults(validationResult.Item2);
}
},
(e, o) => o.CanExecute = true)
});
}
private void InitializeWindowCommandBindings()
{
this.WindowCommandBindings.AddRange(
new List <CommandBinding>
{
new CommandBinding(
NavigationButtonCommands.Finish,
(e, o) =>
{
PresentationInformationStore.StoreSlideSessionModel(this.SlideSessionModel);
this.ViewPresenter.CloseWithoutPrompt();
},
(e, o) => o.CanExecute = true),
/*new CommandBinding(
* NavigationButtonCommands.Back,
* (e, o) =>
* {
* this.ViewPresenter.Show(
* new SelectArsnovaTypeViewViewModel(this.GetViewModelRequirements()));
* },
* (e, o) => o.CanExecute = true),
* new CommandBinding(
* NavigationButtonCommands.New,
* (e, o) =>
* {
* var newQuestion = new SlideQuestionModel(this.QuestionTypeTranslator)
* {
* QuestionType = this.SlideSessionModel.SessionType
* == SessionType.ArsnovaClick
* ? QuestionTypeEnum.SingleChoiceClick
* : QuestionTypeEnum.SingleChoiceVoting,
* Index = this.SlideSessionModel.Questions.Count
* // no new question without selected slide!
* };
*
*
* this.SlideSessionModel.Questions.Add(newQuestion);
*
* this.OpenQuestionEditDialog(newQuestion.Id, true);
* },
* (e, o) => o.CanExecute = true),*/
new CommandBinding(
NavigationButtonCommands.Edit,
(e, o) =>
{
this.OpenQuestionEditDialog(this.SelectedSlideQuestionModel.Id, false);
},
(e, o) => o.CanExecute = this.SelectedSlideQuestionModel != null),
new CommandBinding(
NavigationButtonCommands.Delete,
(e, o) =>
{
var questionText =
$"{this.LocalizationService.Translate("Do you really want to delete this question?")}{Environment.NewLine}{Environment.NewLine}";
questionText += this.SelectedSlideQuestionModel.QuestionText;
var deleteQuestion = PopUpWindow.ConfirmationWindow(
this.LocalizationService.Translate("Delete"),
questionText);
if (deleteQuestion)
{
var questionModel = this.SelectedSlideQuestionModel;
SlideTracker.RemoveSlide(questionModel.QuestionInfoSlideId);
SlideTracker.RemoveSlide(questionModel.QuestionTimerSlideId.Value);
SlideTracker.RemoveSlide(questionModel.ResultsSlideId.Value);
this.SelectedSlideQuestionModel = null;
this.SlideSessionModel.Questions.Remove(questionModel);
}
},
(e, o) => o.CanExecute = this.SelectedSlideQuestionModel != null)
});
}