protected virtual void ShowChildViewController(
UIViewController viewController,
MvxChildPresentationAttribute attribute,
MvxViewModelRequest request)
{
if (viewController is IMvxSplitViewController)
{
throw new MvxException("A SplitViewController cannot be presented as a child. Consider using Root instead");
}
if (ModalNavigationController != null)
{
ModalNavigationController.PushViewController(viewController, attribute.Animated);
return;
}
if (TabBarViewController != null && TabBarViewController.ShowChildView(viewController))
{
return;
}
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 Root!");
}
public override void Show(MvxViewModelRequest request)
{
var viewModelLoader = Mvx.Resolve <IMvxViewModelLoader>();
var viewModel = viewModelLoader.LoadViewModel(request, null);
if (request.ViewModelType == typeof(FormsViewModel))
{
var page = new TestPage
{
BindingContext = viewModel
};
var viewController = page.CreateViewController();
MasterNavigationController.PushViewController(viewController, true);
return;
}
if (request.ViewModelType == typeof(FormsTabViewModel))
{
var page = new TabPage()
{
BindingContext = viewModel
};
var viewController = page.CreateViewController();
var attribute = new MvxTabPresentationAttribute()
{
TabName = page.Title
};
TabBarViewController.ShowTabView(viewController, attribute);
return;
}
base.Show(request);
}
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);
}
/// <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);
}
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);
}
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);
}
