//private String addQuestion;
public QuestionsDeckJSON_IO()
{
Deck = new QuestionsDeck();
QuizSettings = new QuizSettings();
DeckList = new List <QuestionsDeck>();
ser = new JavaScriptSerializer();
}
/// <summary>
/// ReadDeck Method
/// This method opens an open file dialog to retrieve the filepath of a questionsDeck.
/// It then uses this filepath to read the JSON questions deck into questionsDeck object.
/// Once it has been read into the object, this method returns that QuestionsDeck object.
/// </summary>
/// <returns> type of QuestionsDeck</returns>
public QuestionsDeck ReadDeck()
{
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "JSON files (*.JSON)|*.JSON";
if (openFileDialog.ShowDialog() == true)
{
string filePath = openFileDialog.FileName;// Get the files path.
// If a study deck exist then populate the rest of the form with the appropriate fields.
if (File.Exists(filePath))
{
// Before the form is populated, make sure it is a StudyDeck and not a QuestionDeck.
if (filePath.Contains(".QuestionsDeck"))
{
//MessageBox.Show("deck beaing read");
//JavaScriptSerializer ser = new JavaScriptSerializer();
//Deck.DeckName = System.IO.Path.GetFileNameWithoutExtension(filePath);
JSONquestions1 = File.ReadAllText(filePath);
QuestionsDeck readDeck = ser.Deserialize <QuestionsDeck>(JSONquestions1);
Deck = readDeck;
}
}
}
return(Deck);
}
/// <summary>
/// WriteQuestionsDeck Method
/// Checks to see if a deck is named and initialized properly.
/// If not a message box prompts the user to correct the deck
/// if the deck is good, a file check makes sure another deck
/// of the same name isn't in the file, otherwise tags it with
/// a duplicate.
/// Then it takes the questionsDeck object and reads it into a JSON file
/// </summary>
/// <param name="questionsDeck">QuestionsDeck object - cannot be null</param>
///
public bool IsValidDeck(QuestionsDeck questionsDeck)
{
if (questionsDeck == null || questionsDeck.DeckName == "")
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// QuestionsDeckReturn Method
/// This method opens the QuizApp folder on the desktop and reads all the available
/// QuestionsDeck objects into a List<QuestionsDeck>
/// </summary>
/// <returns>List<QuestionsDeck> data type</returns>
public List <QuestionsDeck> QuestionsDeckReturn()
{
DeckList = new List <QuestionsDeck>();
String RootPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
RootPath += @"\QuizApp\QuestionDecks";
String[] allFiles = Directory.GetFiles(RootPath, "*.*", SearchOption.AllDirectories);
foreach (var file in allFiles)
{
//JavaScriptSerializer ser = new JavaScriptSerializer();
JSONquestions1 = File.ReadAllText(file);
QuestionsDeck readDeck = ser.Deserialize <QuestionsDeck>(JSONquestions1);
DeckList.Add(readDeck);
}
return(DeckList);
}
public void WriteQuestionsDeck(QuestionsDeck questionsDeck)
{
if (!IsValidDeck(questionsDeck))
{
MessageBox.Show("Deck is not set properly");
return;
}
Deck = questionsDeck;
//JavaScriptSerializer ser = new JavaScriptSerializer();
String outputJSON = ser.Serialize(Deck);
// Get the rootpath, locate the quiz directory and then the QuestionsDeck subfolder.
// Once that is located, write the JSON file to the destination.
String RootPath = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
RootPath += @"\QuizApp\";
String QuestionsDeckPath = RootPath + @"\QuestionDecks\";
File.WriteAllText(QuestionsDeckPath + (questionsDeck.DeckName) + ".QuestionsDeck.json", outputJSON);
//MessageBox.Show("file: " + FileName + " written.");
}
/// <summary>
/// NewDeck_btnClick
/// Initializes a new QuestionsDeck
/// Hides the cover canvas to reveal the menu underneath
/// </summary>
private void NewDeck_BtnClick()
{
QuestionsDeck = new QuestionsDeck();
editCreateChoice.Visibility = Visibility.Hidden;
}
