public PracticeWnd(PracticeModel model)
{
Debug.Assert(model != null);
_model = model;
_animationOpacity = new DoubleAnimation(0, 1.0, new Duration(new TimeSpan(0, 0, 0, 0, 200)));
_animationOpacity.RepeatBehavior = new RepeatBehavior(3.5);
_animationOpacity.AutoReverse = true;
InitializeComponent();
DataContext = _model;
Loaded += new RoutedEventHandler(PracticeWnd_Loaded);
_model.RuleTextChanged += new EventHandler(Model_RuleTextChanged);
_answer.TextInput += new TextCompositionEventHandler(Answer_TextInput);
_answer.TextChanged += new TextChangedEventHandler(Answer_TextChanged);
}
private void OnPractice(Object sender, ExecutedRoutedEventArgs e)
{
using (PracticeModel model = new PracticeModel((TopicModel)_topics.SelectedItem))
{
if (model.IsEmpty)
{
MessageBox.Show("Selected topic does not contain active examples to exercise", Strings.WINDOW_TITLE, MessageBoxButton.OK, MessageBoxImage.Warning);
}
else
{
PracticeWnd wnd = new PracticeWnd(model);
wnd.Owner = this;
wnd.ShowDialog();
}
}
}