public VocabularyBrowserViewModel(
IReduxStore <WordTutorApplication> store,
ILogger logger)
{
if (logger is null)
{
throw new ArgumentNullException(nameof(logger));
}
_store = store ?? throw new ArgumentNullException(nameof(store));
_logger = logger.Action("Browse Vocabulary List");
var screen = (VocabularyBrowserScreen)_store.State.CurrentScreen;
var vocab = _store.State.VocabularySet.Words;
_selection = screen.Selection;
_modified = screen.Modified;
Words = new ObservableCollection <VocabularyWord>(
vocab.OrderBy(w => w.Spelling));
_screenSubscription = _store.SubscribeToReference(
app => app.CurrentScreen as VocabularyBrowserScreen,
RefreshFromScreen);
_vocabularySubscription = _store.SubscribeToReference(
app => app.VocabularySet,
RefreshFromVocabularySet);
AddWordCommand =
new RoutedCommandSink(ItemCommands.New, AddWord);
ModifyWordCommand = new RoutedCommandSink <VocabularyWord>(
ItemCommands.Open, ModifyWord, CanModifyWord);
}
public ModifyVocabularyWordViewModel(
IReduxStore <WordTutorApplication> store,
ILogger logger)
{
if (logger is null)
{
throw new ArgumentNullException(nameof(logger));
}
_store = store ?? throw new ArgumentNullException(nameof(store));
var screen = _store.State.CurrentScreen as ModifyVocabularyWordScreen;
var areAdding = screen?.ExistingWord is null;
_logger = logger.Action(
areAdding
? "Create Vocabulary Word"
: "Modify Vocabulary Word");
_spelling = screen?.Spelling ?? string.Empty;
_phrase = screen?.Phrase ?? string.Empty;
_pronunciation = screen?.Pronunciation ?? string.Empty;
_caption = areAdding ? "Add Word" : "Modify Word";
_screenSubscription = _store.SubscribeToReference(
app => app.CurrentScreen as ModifyVocabularyWordScreen,
RefreshFromScreen);
SpeakCommand = new RoutedCommandSink <string>(
VoiceCommands.StartSpeaking, Speak, CanSpeak, this);
SaveCommand = new RoutedCommandSink(
ItemCommands.Save, Save, CanSave);
CloseCommand = new RoutedCommandSink(
ItemCommands.Close, Close);
}