private static IObservable <T> StopBusy(ReactiveViewModel viewModel, IObservable <T> observable)
{
return(observable
.Catch <T, Exception>(ex =>
{
viewModel.ThrownExceptionsSource.OnNext(ex);
return Observable.Return <T>(default(T));
})
.Do(_ => viewModel.AsyncNavigatingSource.OnNext(false)));
}
public NavigationObservable(ReactiveViewModel viewModel, IObservable <T> observable)
{
_viewModel = viewModel;
_observable = observable;
}
public static IObservable <INavigationParameters> ObservableForClosed(this ReactiveViewModel This)
{
return(This.Closed);
}
private static IObservable <T> StartBusy(ReactiveViewModel viewModel, IObservable <T> observable)
{
return(observable.Do(_ => viewModel.AsyncNavigatingSource.OnNext(true)));
}
public static INavigationObservable <INavigationParameters> WhenNavigatedTo(this ReactiveViewModel This)
{
return(new NavigationObservable <INavigationParameters>(This, This.NavigatedTo));
}
public static IObservable <INavigationParameters> ObservableForNavigatedTo(this ReactiveViewModel This)
{
return(This.NavigatedTo);
}
public static ReactiveCommand <TParam, TResult> CreateAsyncObservableCommand <TParam, TResult>(this ReactiveViewModel This, IObservable <bool> canExecute, Func <TParam, TResult> executeAsync, IScheduler scheduler = null)
{
var sched = scheduler ?? RxApp.MainThreadScheduler;
return(ReactiveCommand.CreateFromObservable <TParam, TResult>(x => Observable.Start(() => executeAsync(x), sched), canExecute));
}
public static ReactiveCommand <TParam, Unit> CreateAsyncObservableCommand <TParam>(this ReactiveViewModel This, Action <TParam> executeAsync, IScheduler scheduler = null)
{
var sched = scheduler ?? RxApp.MainThreadScheduler;
return(ReactiveCommand.CreateFromObservable <TParam, Unit>(x => Observable.Start(() => executeAsync(x), sched)));
}
public static INavigationObservable <INavigationParameters> WhenClosed(this ReactiveViewModel This)
{
return(new NavigationObservable <INavigationParameters>(This, This.Closed));
}