public MainViewModel(ReadingEntity readingModel)
{
// Publish an event with eventName = PubSubTest. Others can subscribe to said eventName, in order to catch when it is raised
PubSub <object> .PublishEvent("PubSubTest", PubSubCheckedHandler);
// ReadingModel contains a list of movie objects data fetched from the database
this.readingModel = readingModel;
// Initialize other viewmodels
WatchedMoviesViewModel = new WatchedMoviesViewModel(readingModel.WatchedMovies); // Pass list of movie objects to the WatchedMovies
NonWatchedMoviesViewModel = new NonWatchedMoviesViewModel(readingModel.NonWatchedMovies); // Pass list of movie objects to the NonWatchedMovies
AddMovieViewModel = new AddMovieViewModel(this, WatchedMoviesViewModel, NonWatchedMoviesViewModel); // Pass reference for mainviewmodel and both datagrids, so when we add a new movie we know where to put it
// Subscribe to the ViewModels' OnpropertyChanged event
WatchedMoviesViewModel.PropertyChanged += MoviesViewModel_PropertyChanged;
NonWatchedMoviesViewModel.PropertyChanged += MoviesViewModel_PropertyChanged;
this.PropertyChanged += MainWindowViewModel_PropertyChanged; // Subscribe to MainViewModels OnPropertyChanged event to check for changes in MainViewModel
// Register commands so we are able to execute specific buttons
RegisterCommand(SaveCommand = new ActionCommand(Save, CanSave));
RegisterCommand(LoadCommand = new ActionCommand(Load, CanLoad));
RegisterCommand(TestCommand = new ActionCommand(Test, CanTest));
}
public void UpdateValues(ReadingEntity readingModel)
{
// Update values by putting loaded values from DB into movies collection, which then repopulates the datagrid since the collection changed
NonWatchedMoviesViewModel.LoadValues(readingModel.NonWatchedMovies);
WatchedMoviesViewModel.LoadValues(readingModel.WatchedMovies);
// Deactivate Load button after values updated
ChangesDetected = false;
}
// Method for handling save button logic
private void Save()
{
//* Xml Serilizer to write data to an existing txt file */
XmlSerializer x = new XmlSerializer(typeof(ReadingEntity));
if (!string.IsNullOrWhiteSpace(DBPath) && File.Exists(DBPath))
{
using (TextWriter tw = new StreamWriter(DBPath))
{
// Update reading model object with new values
// Temp list to hold sorted objects according to their IsMovieSeen value
var tempWatched = new List <MovieModel>();
var tempNonWatched = new List <MovieModel>();
// Sort Nonwatched movies and move objects to correct list
foreach (var movie in NonWatchedMoviesViewModel.SaveValues())
{
if (movie.IsMovieSeen)
{
tempWatched.Add(movie);
}
else
{
tempNonWatched.Add(movie);
}
}
// Sort Watched movies and move objects to correct list
foreach (var movie in WatchedMoviesViewModel.SaveValues())
{
if (movie.IsMovieSeen)
{
tempWatched.Add(movie);
}
else
{
tempNonWatched.Add(movie);
}
}
// Update reading model object and save it to the db file
readingModel.NonWatchedMovies = tempNonWatched;
readingModel.WatchedMovies = tempWatched;
x.Serialize(tw, readingModel);
}
MessageBox.Show("Values saved");
}
// Reloades the just saved values from the db.
// TODO: Delete the affected values from their respective Observable collection, instead of overriding with values from db
Load();
// Collaps add movie view if visible
//if (AddMovieViewVisibility)
// ExpandOrCollapsAddMovieView();
// Deactivate Load button.
// Because changes are saved to the db file, the filewatcher notices the change and activates the load button.
// Consider making some kind of validation to check for same content in db file as that in the datagrid
CheckCanLoad = false;
// Deactive Save button when values are saved
ChangesDetected = false;
}
