public NavigationRoot(IDetailNavigation detailNavigation, IViewFor <NavigationMenuViewModel> menuPage)
{
InitializeComponent();
NavigationPage.SetHasNavigationBar(this, false);
detailNavigation.PushPage <MainViewModel>(resetStack: true, animate: false).Subscribe();
Detail = (NavigationView)detailNavigation.View;
Master = (ContentPage)menuPage;
menuPage
.WhenAnyObservable(x => x.ViewModel.Navigate)
.Select(_ => false)
.BindTo(this, x => x.IsPresented);
Events
.DeviceDisplayMainDisplayInfoChanged
.Where(x => x.DisplayInfo.Orientation == DisplayOrientation.Landscape && Device.Idiom == TargetIdiom.Tablet)
.Subscribe(x => MasterBehavior = MasterBehavior.SplitOnLandscape)
.DisposeWith(_masterDetailBindings);
// HACK: [rlittlesii: July 04, 2020] This is a hack around a Xamarin.Forms iOS issue.
this.WhenAnyValue(x => x.IsPresented)
.Where(x => Device.RuntimePlatform == Device.iOS)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => Master.IconImageSource = ImageSource.FromFile("hamburger.png"))
.DisposeWith(_masterDetailBindings);
ViewModel = new NavigationRootViewModel();
}
private IObservable <Unit> ExecuteNavigate(OptionViewModel arg)
{
// HACK: [rlittlesii: July 04, 2020] Make this not suck, this is a great case for routes.
switch (arg.Option)
{
case ListOption.Search:
return(_detailNavigation.PushPage <SearchListViewModel>());
case ListOption.DetailNavigation:
return(_detailNavigation.PushPage <CoffeeListViewModel>());
case ListOption.InfiniteScroll:
return(_detailNavigation.PushPage <InfiniteScrollViewModel>());
default:
throw new ArgumentOutOfRangeException();
}
}
