protected override void ShowView(IModalView view, bool isDialog, IDataContext context)
{
var parentController = (UIViewController)ViewModel
.GetIocContainer(true)
.Get <INavigationService>()
.CurrentContent;
var toShow = view.GetUnderlyingView <UIViewController>();
bool animated;
if (context.TryGetData(NavigationConstants.UseAnimations, out animated))
{
ViewModel.Settings.State.AddOrUpdate(NavigationConstants.UseAnimations, animated);
}
else
{
animated = UseAnimations;
}
if (view is IModalNavSupportView)
{
var nav = new MvvmNavigationController();
nav.PushViewController(toShow, animated);
toShow = nav;
BindProvider(nav);
}
parentController.PresentViewController(toShow, animated, NodoAction);
toShow.TryRaiseAttachedEvent(AttachedMembers.Object.Parent);
}
/// <summary>
/// Tries to restore view controller.
/// </summary>
public virtual UIViewController GetViewController(string[] restorationIdentifierComponents, NSCoder coder,
IDataContext context = null)
{
string id = restorationIdentifierComponents.LastOrDefault();
Type type = PlatformExtensions.GetTypeFromRestorationIdentifier(id);
if (type == null)
{
return(null);
}
UIViewController controller = null;
Func <Type, NSCoder, IDataContext, UIViewController> factory = ViewControllerFactory;
if (factory != null)
{
controller = factory(type, coder, context);
}
if (controller == null)
{
if (type == typeof(MvvmNavigationController))
{
controller = new MvvmNavigationController();
}
else
{
controller = (UIViewController)ServiceProvider.IocContainer.Get(type);
}
}
controller.RestorationIdentifier = id;
return(controller);
}
protected virtual UINavigationController GetNavigationController(UIWindow window, UIViewController rootController, out bool isRootNavigated)
{
isRootNavigated = true;
if (_getOrCreateController == null)
{
var controller = window.RootViewController as UINavigationController;
if (controller == null)
{
controller = new MvvmNavigationController(rootController);
window.RootViewController = controller;
return(controller);
}
isRootNavigated = false;
return(controller);
}
return(_getOrCreateController(window, rootController));
}
/// <summary>
/// Displays the content located at the specified <see cref="IViewMappingItem" />.
/// </summary>
/// <param name="source">
/// The <c>IViewPageMappingItem</c> of the content to display.
/// </param>
/// <param name="parameter">
/// A <see cref="T:System.Object" /> that contains data to be used for processing during
/// navigation.
/// </param>
/// <param name="dataContext">
/// The specified <see cref="IDataContext" />.
/// </param>
/// <returns>
/// <c>true</c> if the content was successfully displayed; otherwise, <c>false</c>.
/// </returns>
public virtual bool Navigate(IViewMappingItem source, object parameter, IDataContext dataContext)
{
Should.NotBeNull(source, "source");
EnsureInitialized();
if (!RaiseNavigating(new NavigatingCancelEventArgs(source, NavigationMode.New, parameter)))
{
return(false);
}
if (dataContext == null)
{
dataContext = DataContext.Empty;
}
IViewModel viewModel = dataContext.GetData(NavigationConstants.ViewModel);
UIViewController viewController;
if (viewModel == null)
{
viewController = (UIViewController)ServiceProvider.IocContainer.Get(source.ViewType);
}
else
{
viewController = (UIViewController)ViewManager.GetOrCreateView(viewModel, null, dataContext).GetUnderlyingView();
}
viewController.SetNavigationParameter(parameter);
bool shouldNavigate = true;
if (_window != null)
{
var controller = _window.RootViewController as UINavigationController;
if (controller == null)
{
shouldNavigate = false;
controller = new MvvmNavigationController(viewController);
_window.RootViewController = controller;
}
InitializeNavigationController(controller);
}
if (shouldNavigate)
{
NavigationController.PushViewController(viewController, true);
}
RaiseNavigated(viewController, NavigationMode.New, parameter);
return(true);
}
/// <summary>
/// Shows the view in the specified mode.
/// </summary>
protected override void ShowView(IModalView view, bool isDialog, IDataContext context)
{
var parentController = (UIViewController)ViewModel
.GetIocContainer(true)
.Get <INavigationService>()
.CurrentContent;
UIViewController toShow;
if (view is IModalNavSupportView)
{
var nav = new MvvmNavigationController();
nav.PushViewController((UIViewController)view, UseAnimations);
toShow = nav;
BindProvider(nav);
}
else
{
toShow = (UIViewController)view;
}
parentController.PresentViewController(toShow, UseAnimations, NodoAction);
BindingExtensions.AttachedParentMember.Raise(toShow, EventArgs.Empty);
}
protected virtual UIViewController GetViewControllerInternal([NotNull] string restorationIdentifier, [NotNull] Type type,
[NotNull] NSCoder coder, [NotNull] IDataContext context)
{
UIViewController controller = null;
Func <Type, NSCoder, IDataContext, UIViewController> factory = ViewControllerFactory;
if (factory != null)
{
controller = factory(type, coder, context);
}
if (controller == null)
{
if (type == typeof(MvvmNavigationController))
{
controller = new MvvmNavigationController();
}
else
{
controller = (UIViewController)ToolkitServiceProvider.Get(type);
}
}
controller.RestorationIdentifier = restorationIdentifier;
return(controller);
}
public virtual bool Navigate(IViewMappingItem source, string parameter, IDataContext dataContext)
{
Should.NotBeNull(source, "source");
EnsureInitialized();
if (!RaiseNavigating(new NavigatingCancelEventArgs(source, NavigationMode.New, parameter)))
{
return(false);
}
if (dataContext == null)
{
dataContext = DataContext.Empty;
}
IViewModel viewModel = dataContext.GetData(NavigationConstants.ViewModel);
UIViewController viewController;
if (viewModel == null)
{
viewController = (UIViewController)ServiceProvider.Get <IViewManager>().GetViewAsync(source, dataContext).Result;
}
else
{
viewController = (UIViewController)ViewManager.GetOrCreateView(viewModel, null, dataContext);
}
viewController.SetNavigationParameter(parameter);
bool shouldNavigate = true;
if (_window != null)
{
var controller = _window.RootViewController as UINavigationController;
if (controller == null)
{
shouldNavigate = false;
controller = new MvvmNavigationController(viewController);
_window.RootViewController = controller;
}
InitializeNavigationController(controller);
}
if (shouldNavigate)
{
bool animated;
if (dataContext.TryGetData(NavigationConstants.UseAnimations, out animated))
{
if (viewModel != null)
{
viewModel.Settings.State.AddOrUpdate(NavigationConstants.UseAnimations, animated);
}
}
else
{
animated = UseAnimations;
}
if (!ClearNavigationStackIfNeed(viewController, dataContext, animated))
{
NavigationController.PushViewController(viewController, animated);
}
}
var view = viewController as IViewControllerView;
if (view == null || view.Mediator.IsAppeared)
{
RaiseNavigated(viewController, NavigationMode.New, parameter);
}
else
{
view.Mediator.ViewDidAppearHandler += OnViewDidAppearHandlerNew;
}
return(true);
}
