private void nextButton_Click(object sender, RoutedEventArgs e)
{
if (this.questionPanel.Children[0] is MCQuestionUserControl)
{
MCQuestionUserControl mcQuestionCtrl = this.questionPanel.Children[0] as MCQuestionUserControl;
if (!mcQuestionCtrl.IsCorrect)
{
MessageWindow msgWin = new MessageWindow();
msgWin.ShowMessage("请检查答案或者察看解题方法！", MessageBoxButton.OK, null);
return;
}
}
else if (this.questionPanel.Children[0] is TableQuestionUserControl)
{
TableQuestionUserControl tableQuestionCtrl = this.questionPanel.Children[0] as TableQuestionUserControl;
if (!tableQuestionCtrl.IsCorrect)
{
MessageWindow msgWin = new MessageWindow();
msgWin.ShowMessage("请检查答案或者察看解题方法！", MessageBoxButton.OK, null);
return;
}
}
else if (this.questionPanel.Children[0] is FIBQuestionUserControl)
{
FIBQuestionUserControl fibQuestionCtrl = this.questionPanel.Children[0] as FIBQuestionUserControl;
if (!fibQuestionCtrl.IsCorrect)
{
MessageWindow msgWin = new MessageWindow();
msgWin.ShowMessage("请检查答案或者察看解题方法！", MessageBoxButton.OK, null);
return;
}
}
this.ShowNextQuestion();
}
private void ShowQuestion(Question question)
{
if (question == null)
{
return;
}
this.solutionWrapPanel.Children.Clear();
this.sectionInfoLabel.Text = this.exercise.CurrentSection.Title + this.exercise.CurrentSection.Description;
this.UpdateButtonState();
this.questionPanel.Children.Clear();
if (question is TableQuestion)
{
TableQuestionUserControl ctrl = new TableQuestionUserControl(question as TableQuestion,
this.exercise.GetQuestionResponse(question.Id) as SelectableQuestionResponse);
ctrl.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
ctrl.VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
this.questionPanel.Children.Add(ctrl);
}
else if (question is SelectableQuestion)
{
MCQuestionUserControl ctrl = new MCQuestionUserControl(question as SelectableQuestion,
this.exercise.GetQuestionResponse(question.Id) as SelectableQuestionResponse,
this.exercise.QuestionIndex);
ctrl.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
ctrl.VerticalAlignment = System.Windows.VerticalAlignment.Center;
this.questionPanel.Children.Add(ctrl);
}
else if (question is FIBQuestion)
{
FIBQuestionUserControl ctrl = new FIBQuestionUserControl(question as FIBQuestion,
this.exercise.GetQuestionResponse(question.Id) as FIBQuestionResponse,
this.exercise.QuestionIndex);
ctrl.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
ctrl.VerticalAlignment = System.Windows.VerticalAlignment.Center;
this.questionPanel.Children.Add(ctrl);
}
else if (question is ESQuestion)
{
ESQuestionUserControl ctrl = new ESQuestionUserControl(question as ESQuestion,
this.exercise.GetQuestionResponse(question.Id) as ESQuestionResponse,
this.exercise.QuestionIndex);
ctrl.HorizontalAlignment = System.Windows.HorizontalAlignment.Center;
ctrl.VerticalAlignment = System.Windows.VerticalAlignment.Stretch;
this.questionPanel.Children.Add(ctrl);
}
}