public void SetFlashCard(UIViewAnimationTransition transition)
{
if (currentFlashCard < 0)
{
currentFlashCard = FlashCards.Count - 1;
}
else if (currentFlashCard >= FlashCards.Count)
{
currentFlashCard = 0;
}
FlashCard newFlashCard = FlashCards[currentFlashCard];
if (FlashCardView != null && newFlashCard == FlashCardView.Flashcard)
{
return;
}
UIView.BeginAnimations("swipe");
UIView.SetAnimationDuration(1.25);
UIView.SetAnimationCurve(UIViewAnimationCurve.EaseInOut);
UIView.SetAnimationTransition(transition, this.View, false);
FlashCardView.RemoveFromSuperview();
FlashCardView = new FlashCardView(newFlashCard);
this.View.AddSubview(FlashCardView);
UIView.CommitAnimations();
}
public FlashCardView(FlashCard flashcard)
{
backgroundView = new UIView(){BackgroundColor = UIColor.Black};
this.BackgroundColor = UIColor.Black;
Flashcard = flashcard;
Word = new UILabel (){Text = Flashcard.Word,AdjustsFontSizeToFitWidth = true,BackgroundColor = UIColor.White,Font = UIFont.BoldSystemFontOfSize(200),TextAlignment = UITextAlignment.Center};
Image = new UIImageView (new UIImage (Flashcard.Image));
this.AddSubview(backgroundView);
backgroundView.AddSubview (Word);
this.AddGestureRecognizer(new UITapGestureRecognizer(Tapped));
}
private void btnNext_Click(object sender, RoutedEventArgs e)
{
// Get the index for the next card we need
++_currentIndex;
// Enable the back button if we're at the 2nd or later card
if (_currentIndex > 0)
{
btnPrev.IsEnabled = true;
}
FlashCard card = null;
// If there's currently no card to show or we've reached the end
// of all the cards we've already shown, pluck one from _flashCards
if (_shownFlashCards.Count == 0 || _currentIndex >= _shownFlashCards.Count)
{
int randomIndex = _random.Next(0, _flashCards.Count);
card = _flashCards[randomIndex];
// Add it to the list of cards made visible
_shownFlashCards.Add(card);
// Remove it from the list of possible new cards to show
_flashCards.Remove(card);
}
else
{
// Otherwise we show the next card in the queue of cards we've shown
card = _shownFlashCards[_currentIndex];
}
if (card != null)
{
lblQuestion.Content = card.Question;
expAnswer.IsExpanded = false;
lblAnswer.Content = card.Answer;
}
// If there's not another card we can show and no new cards to choose
// then we disable the next button
if (_currentIndex >= _shownFlashCards.Count - 1 && _flashCards.Count == 0)
{
btnNext.IsEnabled = false;
}
}
public FlashCardView(FlashCard flashcard)
{
backgroundView = new UIView()
{
BackgroundColor = UIColor.Black
};
this.BackgroundColor = UIColor.Black;
Flashcard = flashcard;
Word = new UILabel()
{
Text = Flashcard.Word, AdjustsFontSizeToFitWidth = true, BackgroundColor = UIColor.White, Font = UIFont.BoldSystemFontOfSize(200), TextAlignment = UITextAlignment.Center
};
Image = new UIImageView(new UIImage(Flashcard.Image));
this.AddSubview(backgroundView);
backgroundView.AddSubview(Word);
this.AddGestureRecognizer(new UITapGestureRecognizer(Tapped));
}
private void OpenCmdExecuted(object sender, ExecutedRoutedEventArgs e)
{
lblQuestion.Content = "";
lblAnswer.Content = "";
expAnswer.IsExpanded = false;
OpenFileDialog dlg = new OpenFileDialog();
dlg.Filter = "XML Files |*.xml";
dlg.RestoreDirectory = true;
if (dlg.ShowDialog() == true)
{
try
{
XDocument doc = XDocument.Load(dlg.FileName);
// Get all the flash cards in the doc
var cards = from c in doc.Descendants("FlashCard")
select new
{
Question = c.Element("Question").Value,
Answer = c.Element("Answer").Value
};
// Create a flash FlashCard object for every flash card
// found in the XML file.
foreach (var card in cards)
{
FlashCard fco = new FlashCard(card.Question, card.Answer);
_flashCards.Add(fco);
}
btnNext.IsEnabled = true;
btnPrev.IsEnabled = false;
}
catch (Exception)
{
_flashCards.Clear();
}
}
;
}
