public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
var viewCreator = GetViewCreator();
// More info at:
// - http://gregshackles.com/presenters-in-mvvmcross-using-presentation-values/
// - https://gist.github.com/gshackles/5735595
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.CLEAR_STACK))
{
var nextViewController = (UIViewController)viewCreator.CreateView(request);
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.MAKE_IT_THE_FIRST_ONE))
{
MasterNavigationController.SetViewControllers(new UIViewController[] { }, false);
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.BACK_OR_IN_PLACE))
{
var nextViewController = (UIViewController)viewCreator.CreateView(request);
var existingViewController =
MasterNavigationController.ViewControllers.FirstOrDefault(
vc => vc.GetType() == nextViewController.GetType() && vc != CurrentTopViewController);
if (existingViewController != null)
{
MasterNavigationController.PopToViewController(existingViewController, true);
}
else
{
var transition = new CATransition
{
Duration = 0.3,
Type = CAAnimation.TransitionPush,
Subtype = CAAnimation.TransitionFade
};
MasterNavigationController.PopViewController(false);
MasterNavigationController.View.Layer.AddAnimation(transition, null);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
}
base.Show(request);
}
protected virtual void ShowModalCardViewController(UIViewController viewController, MvxBasePresentationAttribute attribute, MvxViewModelRequest request)
{
viewController.ModalPresentationStyle = UIModalPresentationStyle.Custom;
viewController.TransitioningDelegate = FromBottomTransitionDelegate;
MasterNavigationController.PresentViewController(viewController, true, null);
ModalViewControllers.Add(viewController);
FromBottomTransitionDelegate.WireToViewController(viewController, () => ModalViewControllers.Remove(viewController));
}
/// <summary>
/// Shows the first view.
/// </summary>
/// <param name="viewController">The view controller.</param>
protected override void ShowFirstView(UIViewController viewController)
{
base.ShowFirstView(viewController);
// So lets push our JaSidePanels viewController and then our first viewController in the centre panel to start things off
// We will let our initial viewmodel load up the panels as required
MasterNavigationController.NavigationBarHidden = true;
MasterNavigationController.PushViewController(_multiPanelController, false);
_multiPanelController.CenterPanel = new UINavigationController(viewController);
}
private void clearStackAndNavigate(MvxViewModelRequest request)
{
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.ViewControllers = new UIViewController[] { nextViewController };
}
}
public override void Close(IMvxViewModel toClose)
{
if (toClose is CommonProfileViewModel || toClose is RentProfileViewModel || toClose is OwnProfileViewModel)
{
MasterNavigationController.PopViewController(true);
}
else
{
base.Close(toClose);
}
}
protected override void ShowChildViewController(UIViewController viewController, MvxChildPresentationAttribute attribute, MvxViewModelRequest request)
{
if (request.ViewModelType == typeof(LoginViewModel))
{
MasterNavigationController.View.Layer.AddAnimation(fadeAnimation, CALayer.Transition);
MasterNavigationController.PushViewController(viewController, false);
return;
}
base.ShowChildViewController(viewController, attribute, request);
}
public override void Close(IMvxViewModel viewModel)
{
if (viewModel is LoginViewModel)
{
MasterNavigationController.View.Window.Layer.AddAnimation(fadeAnimation, CALayer.Transition);
MasterNavigationController.PopViewController(false);
return;
}
base.Close(viewModel);
}
/// <summary>
/// Show the specified request.
/// </summary>
/// <param name="request">Request.</param>
public override void Show(MvxViewModelRequest request)
{
//if Host null then set the rootview
//Handling viewmodel navigations from LoginViewModel
if (request.ParameterValues != null && request.ParameterValues.Keys.Contains("pop"))
{
MasterNavigationController.PopViewController(true);
return;
}
base.Show(request);
return;
}
private bool PopViewControllersUntilViewModel(Type viewModelType)
{
for (int i = MasterNavigationController.ViewControllers.Length - 1; i >= 0; i--)
{
if (MasterNavigationController.ViewControllers[i] is MvxViewController mvc)
{
if (mvc.ViewModel.GetType() == viewModelType)
{
MasterNavigationController.PopToViewController(mvc, false);
return(true);
}
}
}
return(false);
}
protected override void ShowChildViewController(UIViewController viewController, MvxChildPresentationAttribute attribute, MvxViewModelRequest request)
{
//Fix to show tabchild child view correctly
if (MasterNavigationController != null)
{
MasterNavigationController.PushViewController(viewController, attribute.Animated);
if (viewController is IMvxTabBarViewController)
{
TabBarViewController = viewController as IMvxTabBarViewController;
}
return;
}
//throw new MvxException($"Trying to show View type: {viewController.GetType().Name} as child, but there is no current stack!");
}
public virtual void Show(IMvxTouchView view)
{
var viewController = view as UIViewController;
if (viewController == null)
{
throw new MvxException("Passed in IMvxTouchView is not a UIViewController");
}
if (MasterNavigationController == null)
{
ShowFirstView(viewController);
}
else
{
MasterNavigationController.PushViewController(viewController, true /*animated*/);
}
}
public override void Show(Cirrious.MvvmCross.Touch.Views.IMvxTouchView view)
{
if (MasterNavigationController == null)
{
base.Show(view);
return;
}
if (MasterNavigationController.ViewControllers.Length <= 1)
{
base.Show(view);
return;
}
MasterNavigationController.PopViewController(false);
MasterNavigationController.PushViewController(
view as UIViewController,
true);
}
public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
foreach (var vc in MasterNavigationController.ViewControllers)
{
vc.DismissViewController(true, null);
}
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
if (MasterNavigationController.TopViewController.GetType() != nextViewController.GetType())
{
MasterNavigationController.PopToRootViewController(false);
MasterNavigationController.PushViewController(nextViewController, false);
}
return;
}
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.NoAnimation))
{
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
MasterNavigationController.PushViewController(nextViewController, false);
return;
}
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.TransitionLeftToRight))
{
var nextViewController = this.CreateViewControllerFor(request) as UIViewController;
MasterNavigationController.PushControllerWithTransition(nextViewController, UIViewAnimationOptions.TransitionCurlDown);
return;
}
}
base.Show(request);
}
public override void Show(MvvmCross.Core.ViewModels.MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
#region ClearStack
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
//MasterNavigationController.PopToRootViewController(false);
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
MasterNavigationController.PushViewController(nextViewController, true);
return;
}
#endregion
#region ShowBack
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ShowBack))
{
var nextViewController = (UIViewController)ViewCreator.CreateView(request);
var currentViewController = MasterNavigationController.TopViewController;
bool animated = false;
while (!animated && currentViewController != null && currentViewController.GetType() != nextViewController.GetType())
{
if (MasterNavigationController.ViewControllers.Length > 1)
{
var backViewController = MasterNavigationController.ViewControllers[MasterNavigationController.ViewControllers.Length - 2];
if (backViewController.GetType() == nextViewController.GetType())
{
animated = true;
}
}
else
{
break;
}
MasterNavigationController.PopViewController(animated);
if (animated)
{
MemoryUtils.DelayReleaseObject(2000, currentViewController);
}
else
{
MemoryUtils.ReleaseObject(currentViewController);
}
currentViewController = MasterNavigationController.TopViewController;
}
if (MasterNavigationController.ViewControllers.Length <= 1)
{
MasterNavigationController.PushViewController(nextViewController, true);
}
return;
}
#endregion
#region CloseCurrentAndShow
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.CloseCurrentAndShow))
{
// let make a async task to remove current from history to not make UI flash
System.Threading.Tasks.Task.Run(async() =>
{
await System.Threading.Tasks.Task.Delay(1000);
if (closeViewController == null)
{
return;
}
MasterNavigationController.InvokeOnMainThread(async() =>
{
//wait for until top view controller is showed
while (closeViewController != MasterNavigationController.TopViewController)
{
await System.Threading.Tasks.Task.Delay(100);
}
int countVc = MasterNavigationController.ViewControllers.Length;
if (countVc > 1)
{
UIViewController releaseViewController = MasterNavigationController.ViewControllers[countVc - 2];
UIViewController[] newHistory = new UIViewController[countVc - 1];
for (int i = 0; i < countVc - 2; i++)
{
newHistory[i] = MasterNavigationController.ViewControllers[i];
}
newHistory[countVc - 2] = MasterNavigationController.ViewControllers[countVc - 1];
MasterNavigationController.ViewControllers = newHistory;
MemoryUtils.ReleaseObject(releaseViewController);
}
closeViewController = null;
});
});
}
#endregion
}
base.Show(request);
}
public virtual ValueTask <bool> CloseModalViewController()
{
MasterNavigationController?.PopViewController(true);
return(new ValueTask <bool>(true));
}
public virtual Task <bool> CloseModalViewController()
{
MasterNavigationController.PopViewController(true);
return(Task.FromResult(true));
}
public virtual void CloseModalViewController()
{
MasterNavigationController.PopViewController(true);
}
public override void Close(IMvxViewModel toClose)
{
//We make an array of this to make a snapshot before modifying presentation hosts.
var presentationHostsToDrop = (from host in presentationHosts
where ((IMvxTouchView)host).ViewModel == toClose
select host).ToArray();
foreach (var host in presentationHostsToDrop)
{
presentationHosts.Remove(host);
}
var viewsPresentedByHosts = removalAgentsByView.Keys;
var relevantViewsPresentedByHosts = (from view in viewsPresentedByHosts
where view.ViewModel == toClose
select view).ToArray();
if (relevantViewsPresentedByHosts.Count() > 0)
{
foreach (var view in relevantViewsPresentedByHosts)
{
var removalAgent = removalAgentsByView [view];
removalAgent();
removalAgentsByView.Remove(view);
}
}
else if (MasterNavigationController != null)
{
var topView = MasterNavigationController.TopViewController as IMvxView;
IMvxViewModel topViewModel;
if (topView != null)
{
topViewModel = topView.ReflectionGetViewModel();
}
else
{
// #if DEBUG
// MvxTrace.Warning ("Don't know how to close this ViewModel; topmost is not a touchview");
// #endif
return;
}
if (topViewModel == toClose)
{
if (MasterNavigationController.ViewControllers.Length > 1)
{
MasterNavigationController.PopViewController(true);
}
else
{
MasterNavigationController.WillMoveToParentViewController(null);
MasterNavigationController.RemoveFromParentViewController();
MasterNavigationController.View.RemoveFromSuperview();
MasterNavigationController = null;
}
}
else
{
// #if DEBUG
// MvxTrace.Warning ("Don't know how to close this ViewModel; topmost view does not present this viewmodel");
// #endif
return;
}
}
else
{
// #if DEBUG
// MvxTrace.Warning("Don't know how to close this ViewModel; there are no views governed by the RichTouchPresenter or its MasterNavigationController");
// #endif
}
}
public override void Show(MvxViewModelRequest request)
{
if (request.PresentationValues != null)
{
if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ParkingReserved))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingReservedView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.Menu))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is MenuView))
{
Console.WriteLine(vc);
ReleaseTimerIfNeeded(vc);
if (vc is ParkingSearchView)
{
MasterNavigationController.PopViewController(true);
return;
}
else
{
MasterNavigationController.PopViewController(false);
}
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.Search))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingSearchView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ParkingList))
{
var vc = MasterNavigationController.TopViewController;
while (!(vc is ParkingListsView) && !(vc is MyReservationsView))
{
ReleaseTimerIfNeeded(vc);
MasterNavigationController.PopViewController(false);
//vc.Dispose();
vc = MasterNavigationController.TopViewController;
}
return;
}
else if (request.PresentationValues.ContainsKey(PresentationBundleFlagKeys.ClearStack))
{
MasterNavigationController.PopToRootViewController(false);
}
}
//prevent reshowing the current view controller (e.g 10 minutes before leaving )
if (MasterNavigationController != null && MasterNavigationController.TopViewController != null)
{
var topvc = MasterNavigationController.TopViewController;
if (topvc != null && topvc is MvxViewController && request.ViewModelType == (topvc as MvxViewController).ViewModel.GetType())
{
return;
}
}
base.Show(request);
}
