void ImportInitialFlashcardSet()
{
FlashcardSet f = JsonUtility.FromJson <FlashcardSet> (initialFlashcardSet);
f.jsonString = initialFlashcardSet;
FlashcardManager.instance.AddFlashcardSet(f);
}
/// <summary>
/// Event handler for when the item selection changes in the flashcard set list box.
/// </summary>
/// <param name="sender">The object that raised the event.</param>
/// <param name="e">The event arguments for when the selection is changed.</param>
private void FlashcardSetListBox_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
// Update the current flashcard to the one selected
currentFlashcardSet = (FlashcardSet)flashcardSetListBox.SelectedItem;
currentFlashcardState = FlashcardState.Term;
flashcardsListCurrentIndex = 0;
UpdateFlashcardUI();
}
/// <summary>
/// Event handler for when the "Load Flashcard Set" button is clicked.
/// </summary>
/// <param name="sender">The object that raised the event.</param>
/// <param name="e">The event arguments for when the button is clicked.</param>
private void LoadSetButton_Click(object sender, RoutedEventArgs e)
{
OpenFileDialog openDialog = new OpenFileDialog();
openDialog.Filter = HelperClass.DialogFilter;
if (openDialog.ShowDialog() == true) // Ok button was pressed on the dialog
{
try
{
string fileText = File.ReadAllText(openDialog.FileName);
// Extract the information about the flashcard set from the JSON text
using (JsonDocument document = JsonDocument.Parse(fileText))
{
JsonElement root = document.RootElement;
string setName = root.GetProperty(HelperClass.SetNameJsonPropertyName).ToString();
// Get the flashcards in the JSON
List <Flashcard> flashcardsList = new List <Flashcard>();
foreach (JsonElement element in root.GetProperty(HelperClass.FlashcardsListJsonPropertyName).EnumerateArray())
{
string term = element.GetProperty(HelperClass.TermJsonPropertyName).ToString();
string definition = element.GetProperty(HelperClass.DefinitionJsonPropertyName).ToString();
Flashcard flashcard = new Flashcard(term, definition);
flashcardsList.Add(flashcard);
}
FlashcardSet set = new FlashcardSet(setName, flashcardsList);
if (AlreadyLoaded(set)) // If the flashcard set is already loaded, prompt the user to make sure that that want to load in the flashcard set again
{
MessageBoxResult msgResult = MessageBox.Show("Flashcard set has already been loaded into the program! Are you sure you still want to load in flashcard set?", "Question", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (msgResult == MessageBoxResult.No)
{
return;
}
}
flashcardSetListBox.Items.Add(set);
flashcardSetListBox.SelectedItem = set;
flashcardsListCurrentIndex = 0;
UpdateFlashcardUI();
MessageBox.Show("Flashcard set loaded succesfully!", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
}
catch (Exception ex)
{
MessageBox.Show("An error occured while trying to parse the file '" + openDialog.FileName + "' which resulted in the flashcard set not being loaded into the program.\n\nException message: " + ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
public void createDetails(object sender, EventArgs e)
{
//Display All Flashcard Sets in DB
createSet = new FlashcardSet {
};
((TextBox)createDetailsUC.getControl("txtName")).Text = "";
((TextBox)createDetailsUC.getControl("txtDesc")).Text = "";
renderPage(createDetailsUC);
}
/// <summary>
/// Checks whether a flashcard set is already present in the flashcard set list box on the window.
/// </summary>
/// <param name="flashcardSet">The flashcard set to be checked for whether it is already loaded or not.</param>
/// <returns>A boolean that states whether the flashcard set is loaded in the program or not.</returns>
private bool AlreadyLoaded(FlashcardSet flashcardSet)
{
foreach (FlashcardSet fs in flashcardSetListBox.Items)
{
if (flashcardSet.Equals(fs)) // Duplicate found
{
return(true);
}
}
return(false);
}
public void AddFlashcardSet(FlashcardSet f)
{
for (int i = 0; i < loadedFlashcardSets.Count; i++)
{
if (f.id == loadedFlashcardSets [i].id)
{
return;
}
}
loadedFlashcardSets.Add(f);
swapToggles [loadedFlashcardSets.Count - 1].isOn = false;
UpdateRecentFlashcardSets(f);
UpdateLoadedSetsUIElements();
}
/// <summary>
/// Event handler for when the "Save Flashcard Set" button is clicked.
/// </summary>
/// <param name="sender">The object that raised the event.</param>
/// <param name="e">The event arguments for when the button is clicked.</param>
private void SaveFlashcardSetButton_Click(object sender, RoutedEventArgs e)
{
if (flashcardsSetListBox.Items.Count == 0)
{
MessageBox.Show("You can't save an empty flashcard set!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
if (string.IsNullOrWhiteSpace(setNameText.Text))
{
MessageBox.Show("Invalid set name.", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
return;
}
List <Flashcard> flashcards = new List <Flashcard>();
foreach (Flashcard flashcard in flashcardsSetListBox.Items)
{
flashcards.Add(flashcard);
}
FlashcardSet flashcardSet = new FlashcardSet(setNameText.Text, flashcards);
string flashcardsSetJson = JsonSerializer.Serialize(flashcardSet); // Serialize the 'flashcardSet' to JSON text
SaveFileDialog saveDialog = new SaveFileDialog();
saveDialog.Filter = HelperClass.DialogFilter;
if (saveDialog.ShowDialog() == true) // Ok button was pressed on the save dialog, save the JSON text
{
try
{
File.WriteAllText(saveDialog.FileName, flashcardsSetJson);
MessageBox.Show("Flashcard set saved succesfully!", "Success", MessageBoxButton.OK, MessageBoxImage.Information);
}
catch (Exception ex)
{
MessageBox.Show("An error occured while trying to save the flashcard set.\n\nException message: " + ex.Message, "Error", MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
/// <summary>
/// Event handler for when the "Unload Current Set" button is clicked.
/// </summary>
/// <param name="sender">The object that raised the event.</param>
/// <param name="e">The event arguments for when the button is clicked.</param>
private void UnloadCurrentSetButton_Click(object sender, RoutedEventArgs e)
{
if (flashcardSetListBox.Items.Count > 0)
{
int selectedIndex = flashcardSetListBox.Items.IndexOf(currentFlashcardSet);
flashcardSetListBox.Items.RemoveAt(selectedIndex);
if (flashcardSetListBox.Items.Count > 0)
{
flashcardSetListBox.SelectedIndex = 0;
}
else
{
currentFlashcardSet = null;
}
currentFlashcardState = FlashcardState.Term;
flashcardsListCurrentIndex = 0;
UpdateFlashcardUI();
}
}
public List <FlashcardSet> GetAllSetsOfFlashcards()
{
DBConnect db = new DBConnect();
SqlCommand sqlCmd = new SqlCommand();
sqlCmd.CommandType = CommandType.StoredProcedure;
sqlCmd.CommandText = "TP_GetAllSetsOfFlashcards";
DataSet ds = db.GetDataSetUsingCmdObj(sqlCmd);
List <FlashcardSet> set = new List <FlashcardSet>();
FlashcardSet flashcardSet;
foreach (DataRow record in ds.Tables[0].Rows)
{
flashcardSet = new FlashcardSet();
flashcardSet.NameOfFlashcardSet = record["Flashcard_Set"].ToString();
flashcardSet.SubjectOfFlashcardSet = record["Subject"].ToString();
flashcardSet.UsernameOfFlashcardSet = record["Username"].ToString();
set.Add(flashcardSet);
}
return(set);
}
void UpdateRecentFlashcardSets(FlashcardSet f)
{
for (int i = 0; i < recentFlashcardSets.Count; i++)
{
if (f.id == recentFlashcardSets [i].id)
{
//if fcs is already in recents, pushes it to the end of the list
recentFlashcardSets.RemoveAt(i);
recentFlashcardSets.Add(f);
UpdateRecentSetsUI();
return;
}
}
recentFlashcardSets.Add(f);
if (recentFlashcardSets.Count > recentsListMaxSize)
{
recentFlashcardSets.RemoveAt(0);
}
UpdateRecentSetsUI();
}
IEnumerator OnResponse(WWW req)
{
yield return(req);
print("done");
loadingIcon.SetActive(false);
FlashcardSet f = JsonUtility.FromJson <FlashcardSet> (req.text);
f.jsonString = req.text;
//TODO: make on screen indication
if (f.http_code == 404)
{
print("Invalid set ID");
}
else
{
FlashcardManager.instance.AddFlashcardSet(f);
}
//testText.text = f.ToString();
//testText.text = req.text;
}
public void learnStart(object sender, EventArgs e)
{
//Reset Global Variables
learnProgress = 0;
learnCorrect = 0;
learnSet = new FlashcardSet {
};
//Find List Item
var listView = (ListView)learnMenuUC.getControl("listView");
if (listView.SelectedItems.Count == 1)
{
var setID = Convert.ToInt32(listView.SelectedItems[0].SubItems[0].Text);
//Fetch Set from DB
using (var db = new LiteDatabase(@"flashies.db"))
{
var sets = db.GetCollection <FlashcardSet>("sets");
learnSet = sets.FindById(setID);
//Randomise Question Order
Random rng = new Random();
int n = learnSet.flashcards.Count;
while (n > 1)
{
n--;
int k = rng.Next(n + 1);
Flashcard value = learnSet.flashcards[k];
learnSet.flashcards[k] = learnSet.flashcards[n];
learnSet.flashcards[n] = value;
}
((TextBox)learnQuestionUC.getControl("txtTitle")).Text = learnSet.name;
((TextBox)questionResultUC.getControl("txtTitle")).Text = learnSet.name;
//Render Next Question
renderLearnQuestion(this, e);
}
}
}
public async Task UpdateFlashcardSetAsync(FlashcardSet flashcardSet)
{
_context.Entry(flashcardSet).State = EntityState.Modified;
await _context.SaveChangesAsync();
}
public async Task AddFlashcardSetAsync(FlashcardSet flashcardSet)
{
_context.FlashcardSet.Add(flashcardSet);
await _context.SaveChangesAsync();
}
