public AccentColorMenuData()
{
ChangeAccentCommand = ReactiveUI.ReactiveCommand.Create();
ChangeAccentCommand.Subscribe(x => DoChangeTheme(x));
}
public MainWindowViewModel()
{
Items = new ReactiveList <TodoItem> {
ChangeTrackingEnabled = true
};
Items.ItemsAdded.Subscribe(i => i.DeleteCommand.Subscribe(_ => Items.Remove(i)));
var itemDoneChanged = Items.ItemChanged.Where(x => x.PropertyName == "Done").Select(_ => Unit.Default);
var countChanged = Items.CountChanged.Select(_ => Unit.Default);
itemDoneChanged.Merge(countChanged).Subscribe(x1 => ItemsLeftCount = Items.Count(i => !i.Done));
FilteredItems = Items.CreateDerivedCollection(x => x, (Func <TodoItem, bool>)FilterItem);
var canCreate = this.ObservableForProperty(vm => vm.NewItemText).Select(s => !String.IsNullOrWhiteSpace(s.Value));
CreateCommand = ReactiveCommand.Create(canCreate);
CreateCommand.SelectArgs <KeyEventArgs>()
.Where(x => x.Key == Key.Enter)
.Subscribe(CreateItemExecute);
//Items.Add(new TodoItem("ASDASD"));
ChangeThemeCommand = ReactiveCommand.Create();
ChangeThemeCommand.Subscribe(_ =>
{
ThemeManager.ChangeAppStyle(Application.Current,
ThemeManager.DetectAppStyle(Application.Current).Item2,
ThemeManager.AppThemes.ElementAt(_ThemeIndex++ % ThemeManager.AppThemes.Count()));
});
ChangeAccentCommand = ReactiveCommand.Create();
ChangeAccentCommand.Subscribe(_ =>
{
ThemeManager.ChangeAppStyle(Application.Current,
ThemeManager.Accents.ElementAt(_ThemeAccent++ % ThemeManager.Accents.Count()),
ThemeManager.DetectAppStyle(Application.Current).Item1);
});
LoadCommand = ReactiveCommand.CreateAsyncObservable(_ => Observable.Create <TodoItem>(obs =>
{
if (!failedYet)
{
obs.OnError(new Exception("test"));
failedYet = true;
}
else
{
failedYet = false;
obs.OnNext(new TodoItem("a"));
obs.OnNext(new TodoItem("b"));
obs.OnNext(new TodoItem("c"));
obs.OnCompleted();
}
return(Disposable.Empty);
}));
var observable = LoadCommand.ThrownExceptions.Select(ex => new UserError(ex.Message, recoveryOptions: new[] { RecoveryCommand.Yes, RecoveryCommand.Cancel }));
//_LastError = observable.ToProperty(this, x => x.LastError);
observable.SelectMany(UserError.Throw).Subscribe(result =>
{
//this.RaisePropertyChanged("HasError");
switch (result)
{
case RecoveryOptionResult.CancelOperation:
return;
case RecoveryOptionResult.RetryOperation:
LoadCommand.Execute(null);
break;
}
});
LoadCommand.Subscribe(Items.Add);
}