private void LoadSelectedLesson()
{
CodeProfiler.Start("LoadLesson");
Debug.WriteLine("Loading lesson: " + SelectedLesson);
KillImageLoader();
string lessonPath = LessonBasePath + SelectedLesson;
string[] files = Directory.GetFiles(lessonPath);
Array.Sort(files);
//Clean up old cards. Dispose Audio object.
foreach (FlashCardItem ptrItem in Cards)
{
ptrItem.Dispose();
}
Cards.Clear();
FlashCardItem newItem;
//Load and sort cards.
CodeProfiler.Start("Generate Items");
string CardName;
string CardText;
string CardImageType;
foreach (string ptrFile in files)
{
//Card Format
//[CardIndex]#<Card Name>.<Image type>
CardImageType = Path.GetExtension(ptrFile).ToLower();
if (!IsImageTypeSupported(CardImageType))
{
continue;
}
CardName = CardText = Path.GetFileNameWithoutExtension(ptrFile);
if (CardName.Contains("#"))
{
CardText = CardName.Substring(CardName.IndexOf("#") + 1);
}
newItem = new FlashCardItem(CardName, CardText, ptrFile);
Debug.WriteLine("> " + newItem.Text);
Cards.Add(newItem);
}
CodeProfiler.Stop("Generate Items");
//Load card contents.
if (UseThread)
{
//Use threading to load images.
CardsLoader = new Thread(LoadCardsData);
CardsLoader.Start();
CodeProfiler.Start("LoadCard1");
Cards[0].Load(); //Make sure first image is loaded
CodeProfiler.Stop("LoadCard1");
}
else
{
//Single thread operation (Slower) - Keep for debugging purpose
foreach (FlashCardItem ptrItem in Cards)
{
CodeProfiler.Start("Load Card " + ptrItem.Name);
ptrItem.Load();
CodeProfiler.Stop("Load Card " + ptrItem.Name);
}
}
Cards.ResetIndex();
CardsLoader.Join();
OnLessonLoaded();
Debug.WriteLine("Lesson loaded.");
CodeProfiler.Stop("LoadLesson");
}