public NewProjectViewModel(IScreen hostScreen) : base("newprj", hostScreen)
{
var configureAppModel = new ConfigureAppViewModel(this);
Router.Navigate.Execute(configureAppModel);
OpenSetupWizard = ReactiveCommand.CreateFromObservable <Unit, Unit>(sender =>
{
return(ShowSetupWizard.Handle(Unit.Default));
});
IObservable <WizardPageViewModel> pageObservable = Router.CurrentViewModel
.Where(vm => vm is WizardPageViewModel)
.Select(vm => vm as WizardPageViewModel);
pageObservable.Select(p => p.Title).BindTo(this, t => t.Title);
pageObservable.Select(p => p.Description).BindTo(this, t => t.Description);
pageObservable.Select(p => p.IsDescriptionVisible).BindTo(this, t => t.IsDescriptionVisible);
pageObservable.Subscribe(p => p.WhenAnyValue(page => page.IsBusy).BindTo(this, t => t.IsBusy));
pageObservable.Select(p => p.NextText).ToProperty(this, t => t.NextText, out _nextText);
pageObservable.Select(p => p.BackText).ToProperty(this, t => t.BackText, out _backText);
pageObservable.Select(p => p.BackVisible).ToProperty(this, t => t.HasBack, out _hasBack);
pageObservable
.Select(p =>
{
ReactiveCommand <Unit, Unit> cmdDoSomething = ReactiveCommand.CreateFromTask(p.OnNext, outputScheduler: RxApp.MainThreadScheduler);
ReactiveCommand <Unit, Unit> cmdNavigateOrClose;
if (p.IsFinishPage)
{
cmdNavigateOrClose = ReactiveCommand.CreateFromTask(async() =>
{
await cmdDoSomething.Execute();
await Router.NavigateAndReset.Execute(new ConfigureAppViewModel(this));
}, canExecute: p.WhenAnyValue(page => page.NextEnabled), outputScheduler: RxApp.MainThreadScheduler);
}
else
{
cmdNavigateOrClose = ReactiveCommand.CreateFromTask(async() =>
{
await cmdDoSomething.Execute();
await Router.Navigate.Execute(p.GetNextPage());
}, canExecute: p.WhenAnyValue(page => page.NextEnabled), outputScheduler: RxApp.MainThreadScheduler);
}
cmdNavigateOrClose
.ThrownExceptions
//.FirstAsync()
.Throttle(TimeSpan.FromMilliseconds(250), RxApp.MainThreadScheduler)
.Subscribe(async ex =>
{
await ShowError.Handle(ex);
});
return(cmdNavigateOrClose);
})
.ToProperty(this, t => t.GoNext, out _goNext);
this.WhenActivated(disposables =>
{
if (Router.NavigationStack.Count > 0)
{
IRoutableViewModel fistPage = Router.NavigationStack[0];
Router.NavigateAndReset.Execute(fistPage);
Router.NavigateAndReset.Execute(fistPage).Subscribe().DisposeWith(disposables);
}
//else
//{
// Router.Navigate.Execute(new ConfigureAppViewModel(this)).Subscribe().DisposeWith(disposables);
//}
});
}
