private bool SelectLesson()
{
SelectedLesson = string.Empty;
OptionDialog = new SelectionDialog();
OptionDialog.Text = "Select Lessons";
OptionDialog.ShowDescription = true;
OptionDialog.ItemsBackColor = Color.LightSkyBlue;
OptionDialog.ItemsForeColor = Color.DarkBlue;
if (Directory.Exists(LessonBasePath))
{
Debug.WriteLine("Loading lessons from " + LessonBasePath);
string[] lessonFolders = Directory.GetDirectories(LessonBasePath);
Dictionary <string, string> lessons = new Dictionary <string, string>();
foreach (string ptrPath in lessonFolders)
{
//Skip hidden folders
DirectoryInfo ptrDir = new DirectoryInfo(ptrPath);
if ((ptrDir.Attributes & FileAttributes.Hidden) == FileAttributes.Hidden)
{
continue;
}
lessons.Add(ptrPath.Replace(LessonBasePath, ""), ptrPath);
}
Debug.WriteLine("Found " + lessons.Count.ToString() + " lessons.");
foreach (string ptrKey in lessons.Keys)
{
Debug.WriteLine("> " + ptrKey.ToString());
}
//Select lesson
SelectionDialogItem ptrMenuItem;
OptionDialog.ClearItems();
foreach (string ptrItem in lessons.Keys)
{
ptrMenuItem = OptionDialog.AddItem(ptrItem);
if (Directory.GetFiles(LessonBasePath + ptrItem).Length == 0)
{
OptionDialog.DisableItem(ptrItem);
}
else
{
string[] files = Directory.GetFiles(LessonBasePath + ptrItem);
foreach (string ptrFile in files)
{
if (IsImageTypeSupported(ptrFile))
{
continue;
}
ptrMenuItem.DescriptionImage = Image.FromFile(ptrFile);
break;
}
}
}
}
//Add additional system menu
OptionDialog.AllowToCancel = true;
OptionDialog.CancelButtonText = "Back to Main Menu";
SelectedLesson = null;
if (OptionDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
SelectedLesson = OptionDialog.SelectedItem;
LoadSelectedLesson();
CaseSensitive = false;
return(true);
}
return(false);
}
public void ShowMenuDialog()
{
if (Busy)
{
return;
}
while (true)
{
OnMenuLoad();
if (string.IsNullOrEmpty(SelectedLesson))
{
//Main Menu
OptionDialog.Title = "Main Menu - Choose An Activity.";
OptionDialog.ShowDescription = true;
OptionDialog.ClearItems();
OptionDialog.ItemsBackColor = Color.FromArgb(192, 255, 192);
OptionDialog.ItemsForeColor = Color.DarkGreen;
OptionDialog.AllowToCancel = true;
OptionDialog.CancelButtonText = "Exit";
string[] modes = Enum.GetNames(typeof(FlashCardMode));
SelectionDialogItem ptrMenuItem;
string imagePath = RootPath + "\\System\\Art\\ApplicationModes\\";
foreach (string ptrMode in modes)
{
ptrMenuItem = OptionDialog.AddItem(ptrMode);
//ptrMenuItem.DescriptionImage = Image.FromFile(imagePath + ptrMode + ".png");
}
OptionDialog.AddItem("Settings");
OptionDialog.AddItem("About");
if (OptionDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
if (Enum.IsDefined(typeof(FlashCardMode), OptionDialog.SelectedItem))
{
SelectMode((FlashCardMode)Enum.Parse(typeof(FlashCardMode),
OptionDialog.SelectedItem), false);
}
else if (OptionDialog.SelectedItem == "Settings")
{
Settings Settings = new Settings(this);
Settings.ShowDialog();
continue;
}
else if (OptionDialog.SelectedItem == "About")
{
AboutFlashCard AboutDlg = new AboutFlashCard();
AboutDlg.ShowDialog();
continue;
}
else
{
throw new InvalidOperationException("Unknown menu option : " + OptionDialog.SelectedItem);
}
}
else //Cancel button clicked. Exit Application.
{
System.Windows.Forms.Application.Exit();
return;
}
}
//Lesson Menu
if (SelectLesson() == true)
{
return;
}
}
}