public NavBarViewModel(IScreen screen, RoutingState router, WalletManagerViewModel walletManager)
{
Router = router;
_walletManager = walletManager;
_topItems = new ObservableCollection <NavBarItemViewModel>();
_bottomItems = new ObservableCollection <NavBarItemViewModel>();
var addWalletPage = new AddWalletPageViewModel(screen);
SelectedItem = new HomePageViewModel(screen, walletManager, addWalletPage);
_topItems.Add(_selectedItem);
_bottomItems.Add(addWalletPage);
_bottomItems.Add(new SettingsPageViewModel(screen));
Router.CurrentViewModel
.OfType <NavBarItemViewModel>()
.Subscribe(x =>
{
if (walletManager.Items.Contains(x) || _topItems.Contains(x) || _bottomItems.Contains(x))
{
if (!_isNavigating)
{
_isNavigating = true;
SelectedItem = x;
_isNavigating = false;
}
}
});
this.WhenAnyValue(x => x.SelectedItem)
.OfType <IRoutableViewModel>()
.Subscribe(x =>
{
if (!_isNavigating)
{
_isNavigating = true;
Router.NavigateAndReset.Execute(x);
CollapseOnClickAction?.Invoke();
_isNavigating = false;
}
});
Observable.FromEventPattern(Router.NavigationStack, nameof(Router.NavigationStack.CollectionChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => IsBackButtonVisible = Router.NavigationStack.Count > 1);
this.WhenAnyValue(x => x.IsOpen)
.Subscribe(x => SelectedItem.IsExpanded = x);
}
private void RegisterViewModels()
{
HomePageViewModel.Register(_homePage);
SearchPageViewModel.Register(_searchPage);
PrivacyModeViewModel.Register(_privacyMode);
AddWalletPageViewModel.Register(_addWalletPage);
SettingsPageViewModel.Register(_settingsPage);
GeneralSettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 0;
return(_settingsPage);
});
PrivacySettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 1;
return(_settingsPage);
});
NetworkSettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 2;
return(_settingsPage);
});
BitcoinTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 3;
return(_settingsPage);
});
AboutViewModel.RegisterLazy(() => new AboutViewModel());
LegalDocumentsViewModel.RegisterAsyncLazy(
async() =>
{
var content = await File.ReadAllTextAsync(_global.LegalDocuments.FilePath);
var legalDocs = new LegalDocumentsViewModel(content);
return(legalDocs);
});
}
public NavBarViewModel(IScreen screen, RoutingState router, WalletManager walletManager, UiConfig uiConfig)
{
_screen = screen;
Router = router;
_topItems = new ObservableCollection <NavBarItemViewModel>();
_items = new ObservableCollection <WalletViewModelBase>();
_bottomItems = new ObservableCollection <NavBarItemViewModel>();
_walletDictionary = new Dictionary <Wallet, WalletViewModelBase>();
SelectedItem = new HomePageViewModel(screen);
_topItems.Add(_selectedItem);
_bottomItems.Add(new AddWalletPageViewModel(screen));
_bottomItems.Add(new SettingsPageViewModel(screen));
Router.CurrentViewModel
.OfType <NavBarItemViewModel>()
.Subscribe(x =>
{
if (_items.Contains(x) || _topItems.Contains(x) || _bottomItems.Contains(x))
{
if (!_isNavigating)
{
_isNavigating = true;
SelectedItem = x;
_isNavigating = false;
}
}
});
this.WhenAnyValue(x => x.SelectedItem)
.OfType <IRoutableViewModel>()
.Subscribe(x =>
{
if (!_isNavigating)
{
_isNavigating = true;
Router.NavigateAndReset.Execute(x);
CollapseOnClickAction?.Invoke();
_isNavigating = false;
}
});
Observable.FromEventPattern(Router.NavigationStack, nameof(Router.NavigationStack.CollectionChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(_ => IsBackButtonVisible = Router.NavigationStack.Count > 1);
Observable
.FromEventPattern <WalletState>(walletManager, nameof(WalletManager.WalletStateChanged))
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x =>
{
var wallet = x.Sender as Wallet;
if (wallet is { } && _walletDictionary.ContainsKey(wallet))
{
if (wallet.State == WalletState.Stopping)
{
RemoveWallet(_walletDictionary[wallet]);
}
else if (_walletDictionary[wallet] is ClosedWalletViewModel cwvm && wallet.State == WalletState.Started)
{
OpenClosedWallet(walletManager, uiConfig, cwvm);
}
}
AnyWalletStarted = Items.OfType <WalletViewModelBase>().Any(x => x.WalletState == WalletState.Started);
});
public MainViewModel(Global global)
{
_global = global;
_dialogScreen = new DialogScreenViewModel();
MainScreen = new TargettedNavigationStack(NavigationTarget.HomeScreen);
NavigationState.Register(MainScreen, DialogScreen, () => this);
Network = global.Network;
_currentDialog = null;
_isMainContentEnabled = true;
_isDialogScreenEnabled = true;
_statusBar = new StatusBarViewModel(
global.DataDir,
global.Network,
global.Config,
global.HostedServices,
global.BitcoinStore.SmartHeaderChain,
global.Synchronizer,
global.LegalDocuments);
var walletManager = new WalletManagerViewModel(global.WalletManager, global.UiConfig);
_addWalletPage = new AddWalletPageViewModel(
global.LegalDocuments,
global.WalletManager,
global.BitcoinStore,
global.Network);
_settingsPage = new SettingsPageViewModel(global.Config, global.UiConfig);
_privacyMode = new PrivacyModeViewModel(global.UiConfig);
_homePage = new HomePageViewModel(walletManager, _addWalletPage);
_searchPage = new SearchPageViewModel();
_navBar = new NavBarViewModel(MainScreen, walletManager);
RegisterCategories(_searchPage);
RegisterViewModels();
RxApp.MainThreadScheduler.Schedule(async() => await _navBar.InitialiseAsync());
_searchPage.Initialise();
MainScreen.To(_homePage);
this.WhenAnyValue(x => x.DialogScreen !.IsDialogOpen)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x => IsMainContentEnabled = !x);
this.WhenAnyValue(x => x.CurrentDialog !.IsDialogOpen)
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x => IsDialogScreenEnabled = !x);
walletManager.WhenAnyValue(x => x.Items.Count)
.Subscribe(x => _navBar.IsHidden = x == 0);
}
private void RegisterViewModels()
{
HomePageViewModel.Register(_homePage);
SearchPageViewModel.Register(_searchPage);
PrivacyModeViewModel.Register(_privacyMode);
AddWalletPageViewModel.Register(_addWalletPage);
SettingsPageViewModel.Register(_settingsPage);
GeneralSettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 0;
return(_settingsPage);
});
PrivacySettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 1;
return(_settingsPage);
});
NetworkSettingsTabViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 2;
return(_settingsPage);
});
BitcoinTabSettingsViewModel.RegisterLazy(
() =>
{
_settingsPage.SelectedTab = 3;
return(_settingsPage);
});
AboutViewModel.RegisterLazy(() => new AboutViewModel());
BroadcastTransactionViewModel.RegisterAsyncLazy(
async() =>
{
var result = await DialogScreen.NavigateDialog(new LoadTransactionViewModel(_global.Network));
if (result is { })
{
while (_global.TransactionBroadcaster is null)
{
await Task.Delay(100);
}
DialogScreen.Back();
return(new BroadcastTransactionViewModel(
_global.BitcoinStore,
_global.Network,
_global.TransactionBroadcaster,
result));
}
DialogScreen.Back();
return(null);
});