public BooksViewModel(IBooksService booksService, ISelectedBookService selectedBookService, IDialogService dialogService, IEventAggregator eventAggregator, IOpenWindow openWindow)
{
_booksService = booksService;
_selectedBookService = selectedBookService;
_dialogService = dialogService;
_eventAggregator = eventAggregator;
_openWindow = openWindow;
_selectedBookService.PropertyChanged += (sender, e) =>
{
base.OnPropertyChanged(nameof(CurrentBook));
};
RefreshBooksCommand = new DelegateCommand(OnGetBooks);
NewWindowCommand = new DelegateCommand(OnNewWindow);
}
public BookViewModel(IBooksService booksService, ISelectedBookService selectedBookService, IDialogService dialogService, IEventAggregator eventAggregator)
{
_booksService = booksService;
_selectedBookService = selectedBookService;
_dialogService = dialogService;
_eventAggregator = eventAggregator;
AddBookCommand = new DelegateCommand(OnAddBook, CanAddBook);
EditBookCommand = new DelegateCommand(OnEditBook, CanEditBook);
SaveBookCommand = new DelegateCommand(OnSaveBook, CanSaveBook);
CancelBookCommand = new DelegateCommand(OnCancel, CanCancel);
CurrentEditMode = BookEditMode.Read;
UpdateCommandState();
_selectedBookService.PropertyChanged += (sender, e) =>
{
if (e.PropertyName == "Book")
{
OnPropertyChanged("Book"); // fire property change on view-model Book if referenced Book fires change
}
};
}
