private async Task PushAsync(Element view, object parameter, bool animated) { var page = view as Page; if (page == null && !(view is ContentView)) { throw new NotSupportedException(String.Format("{0} does not inherit from either {1} or {2}.", view.GetType(), typeof(Page), typeof(ContentView))); } var viewModel = ViewModelLocator.LocateForView(view); if (viewModel != null) { TryInjectParameters(viewModel, parameter); ViewModelBinder.Bind(viewModel, view, null); if (viewModel is IActivate activator) { await activator.ActivateAsync(); } } var contentView = view as ContentView; if (contentView != null) { page = CreateContentPage(contentView, viewModel); } await navigationPage.PushAsync(page, animated); }
/// <summary> /// Creates a window. /// </summary> /// <param name="rootModel">The view model.</param> /// <param name="isDialog">Whethor or not the window is being shown as a dialog.</param> /// <param name="context">The view context.</param> /// <param name="settings">The optional popup settings.</param> /// <returns>The window.</returns> protected virtual async Task <Window> CreateWindowAsync(object rootModel, bool isDialog, object context, IDictionary <string, object> settings) { var view = EnsureWindow(rootModel, ViewLocator.LocateForModel(rootModel, null, context), isDialog); ViewModelBinder.Bind(rootModel, view, context); var haveDisplayName = rootModel as IHaveDisplayName; if (string.IsNullOrEmpty(view.Title) && haveDisplayName != null && !ConventionManager.HasBinding(view, Window.TitleProperty)) { var binding = new Binding("DisplayName") { Mode = BindingMode.TwoWay }; view.SetBinding(Window.TitleProperty, binding); } ApplySettings(view, settings); var conductor = new WindowConductor(rootModel, view); await conductor.InitialiseAsync(); return(view); }
/// <summary> /// Creates the page. /// </summary> /// <param name="rootModel">The root model.</param> /// <param name="context">The context.</param> /// <param name="settings">The optional popup settings.</param> /// <returns>The page.</returns> public virtual async Task <Page> CreatePageAsync(object rootModel, object context, IDictionary <string, object> settings) { var view = EnsurePage(rootModel, ViewLocator.LocateForModel(rootModel, null, context)); ViewModelBinder.Bind(rootModel, view, context); var haveDisplayName = rootModel as IHaveDisplayName; if (string.IsNullOrEmpty(view.Title) && haveDisplayName != null && !ConventionManager.HasBinding(view, Page.TitleProperty)) { var binding = new Binding("DisplayName") { Mode = BindingMode.TwoWay }; view.SetBinding(Page.TitleProperty, binding); } ApplySettings(view, settings); if (rootModel is IActivate activator) { await activator.ActivateAsync(); } if (rootModel is IDeactivate deactivatable) { view.Unloaded += async(s, e) => await deactivatable.DeactivateAsync(true); } return(view); }
static void ModelChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { if (View.InDesignMode || e.NewValue == null || e.NewValue == e.OldValue) { return; } var fe = d as FrameworkElement; if (fe == null) { return; } View.ExecuteOnLoad(fe, delegate { var target = e.NewValue; d.SetValue(View.IsScopeRootProperty, true); #if XFORMS var context = fe.Id.ToString("N"); #else var context = string.IsNullOrEmpty(fe.Name) ? fe.GetHashCode().ToString() : fe.Name; #endif ViewModelBinder.Bind(target, d, context); }); }
static void DataContextChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) { if (!View.InDesignMode) { return; } var enable = d.GetValue(AtDesignTimeProperty); if (enable == null || ((bool)enable) == false || e.NewValue == null) { return; } var fe = d as FrameworkElement; if (fe == null) { return; } #if XFORMS ViewModelBinder.Bind(e.NewValue, d, fe.Id.ToString("N")); #else ViewModelBinder.Bind(e.NewValue, d, string.IsNullOrEmpty(fe.Name) ? fe.GetHashCode().ToString() : fe.Name); #endif }
static void OnContextChanged(DependencyObject targetLocation, DependencyPropertyChangedEventArgs e) { if (e.OldValue == e.NewValue) { return; } var model = GetModel(targetLocation); if (model == null) { return; } var view = ViewLocator.LocateForModel(model, targetLocation, e.NewValue); if (!SetContentProperty(targetLocation, view)) { Log.Warn("SetContentProperty failed for ViewLocator.LocateForModel, falling back to LocateForModelType"); view = ViewLocator.LocateForModelType(model.GetType(), targetLocation, e.NewValue); SetContentProperty(targetLocation, view); } ViewModelBinder.Bind(model, view, e.NewValue); }
static void OnModelChanged(DependencyObject targetLocation, DependencyPropertyChangedEventArgs args) { if (args.OldValue == args.NewValue) { return; } if (args.NewValue != null) { var context = GetContext(targetLocation); var view = ViewLocator.LocateForModel(args.NewValue, targetLocation, context); ViewModelBinder.Bind(args.NewValue, view, context); if (!SetContentProperty(targetLocation, view)) { Log.Warn("SetContentProperty failed for ViewLocator.LocateForModel, falling back to LocateForModelType"); view = ViewLocator.LocateForModelType(args.NewValue.GetType(), targetLocation, context); SetContentProperty(targetLocation, view); } } else { SetContentProperty(targetLocation, args.NewValue); } }
/// <summary> /// Locates the view model, locates the associate view, binds them and shows it as the root view. /// </summary> /// <param name="viewModelType">The view model type.</param> /// <param name="cancellationToken">A cancellation token that can be used by other objects or threads to receive notice of cancellation.</param> /// <returns>A task that represents the asynchronous operation.</returns> protected async Task DisplayRootViewForAsync(Type viewModelType, CancellationToken cancellationToken) { Initialize(); var viewModel = IoC.GetInstance(viewModelType, null); var view = ViewLocator.LocateForModel(viewModel, null, null); ViewModelBinder.Bind(viewModel, view, null); if (viewModel is IActivate activator) { await activator.ActivateAsync(cancellationToken); } Window.Current.Content = view; Window.Current.Activate(); }
/// <summary> /// Locates the view model, locates the associate view, binds them and shows it as the root view. /// </summary> /// <param name="viewModelType">The view model type.</param> protected async Task DisplayRootViewForAsync(Type viewModelType) { var viewModel = IoC.GetInstance(viewModelType, null); var view = ViewLocator.LocateForModel(viewModel, null, null); if (!(view is Page page)) { throw new NotSupportedException(String.Format("{0} does not inherit from {1}.", view.GetType(), typeof(Page))); } ViewModelBinder.Bind(viewModel, view, null); if (viewModel is IActivate activator) { await activator.ActivateAsync(); } MainPage = page; }
/// <summary> /// Occurs after navigation /// </summary> /// <param name="sender"> The event sender. </param> /// <param name="e"> The event args. </param> protected virtual async void OnNavigated(object sender, NavigationEventArgs e) { if (e.Uri.IsAbsoluteUri || e.Content == null) { return; } ViewLocator.InitializeComponent(e.Content); var viewModel = ViewModelLocator.LocateForView(e.Content); if (viewModel == null) { return; } var page = e.Content as Page; if (page == null) { throw new ArgumentException("View '" + e.Content.GetType().FullName + "' should inherit from Page or one of its descendents."); } if (treatViewAsLoaded) { page.SetValue(View.IsLoadedProperty, true); } TryInjectParameters(viewModel, e.ExtraData); ViewModelBinder.Bind(viewModel, page, null); if (viewModel is IActivate activator) { await activator.ActivateAsync(); } GC.Collect(); }
/// <summary> /// Locates the view model, locates the associate view, binds them and shows it as the root view. /// </summary> /// <param name="viewModelType">The view model type.</param> protected void DisplayRootViewFor(Type viewModelType) { var viewModel = IoC.GetInstance(viewModelType, null); var view = ViewLocator.LocateForModel(viewModel, null, null); var page = view as Page; if (page == null) { throw new NotSupportedException(String.Format("{0} does not inherit from {1}.", view.GetType(), typeof(Page))); } ViewModelBinder.Bind(viewModel, view, null); var activator = viewModel as IActivate; if (activator != null) { activator.Activate(); } MainPage = page; }
private Task PushAsync(Element view, object parameter, bool animated) { var page = view as Page; if (page == null) { throw new NotSupportedException(String.Format("{0} does not inherit from {1}.", view.GetType(), typeof(Page))); } var viewModel = ViewModelLocator.LocateForView(view); if (viewModel != null) { TryInjectParameters(viewModel, parameter); ViewModelBinder.Bind(viewModel, view, null); } page.Appearing += (s, e) => ActivateView(page); page.Disappearing += (s, e) => DeactivateView(page); return(navigationPage.PushAsync(page, animated)); }
/// <summary> /// Shows a popup at the current mouse position. /// </summary> /// <param name="rootModel">The root model.</param> /// <param name="context">The view context.</param> /// <param name="settings">The optional popup settings.</param> public virtual async Task ShowPopupAsync(object rootModel, object context = null, IDictionary <string, object> settings = null) { var popup = CreatePopup(rootModel, settings); var view = ViewLocator.LocateForModel(rootModel, popup, context); popup.Child = view; popup.SetValue(View.IsGeneratedProperty, true); ViewModelBinder.Bind(rootModel, popup, null); Action.SetTargetWithoutContext(view, rootModel); if (rootModel is IActivate activator) { await activator.ActivateAsync(); } if (rootModel is IDeactivate deactivator) { popup.Closed += async(s, e) => await deactivator.DeactivateAsync(true); } popup.IsOpen = true; popup.CaptureMouse(); }
/// <summary> /// Binds the view model. /// </summary> /// <param name="view">The view.</param> /// <param name="viewModel">The view model.</param> protected virtual async Task BindViewModel(DependencyObject view, object viewModel = null) { ViewLocator.InitializeComponent(view); viewModel = viewModel ?? ViewModelLocator.LocateForView(view); if (viewModel == null) { return; } if (treatViewAsLoaded) { view.SetValue(View.IsLoadedProperty, true); } TryInjectParameters(viewModel, CurrentParameter); ViewModelBinder.Bind(viewModel, view, null); if (viewModel is IActivate activator) { await activator.ActivateAsync(); } }