private void ReloadViewInternal(Route route)
{
if (routeHead.Route == route)
{
try
{
var view = route.CreateView(true);
routeHead.CachedView = view;
var frameworkElement = view as FrameworkElement;
if (frameworkElement != null && frameworkElement.DataContext == null)
{
frameworkElement.DataContext = route;
}
OnPropertyChanged(nameof(CurrentView));
}
catch (Exception ex)
{
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.ViewCreation, ex);
}
}
else
{
var routeItem = stack.FirstOrDefault(item => item.Route == route);
if (routeItem != null)
{
routeItem.CachedView = null;
}
}
}
private async Task <TaskCompletionSource <object> > PushRoute(Route route, bool cacheCurrentView,
bool ignoreCurrent, List <RouteEventError> errors)
{
route.Routes = this;
var currentRoute = Current;
if (currentRoute != null && !cacheCurrentView)
{
routeHead.CachedView = null;
}
if (!ignoreCurrent && currentRoute != null)
{
try
{
await currentRoute.OnRouteHiding();
}
catch (Exception ex)
{
RouteErrorListener.TryOnRouteEventException(currentRoute, RouteEventType.Hiding, ex);
}
}
try
{
await route.OnRouteInitializing();
}
catch (Exception ex)
{
errors.Add(new RouteEventError(RouteEventType.Initializing, ex));
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.Initializing, ex);
}
try
{
await route.OnRouteActivating();
}
catch (Exception ex)
{
errors.Add(new RouteEventError(RouteEventType.Activating, ex));
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.Activating, ex);
}
var item = new RouteItem(route);
try
{
var view = route.CreateView(false);
item.CachedView = view;
var frameworkElement = view as FrameworkElement;
if (frameworkElement != null && frameworkElement.DataContext == null)
{
frameworkElement.DataContext = route;
}
}
catch (Exception ex)
{
errors.Add(new RouteEventError(RouteEventType.ViewCreation, ex));
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.ViewCreation, ex);
}
stack.Push(item);
RouteHead = item;
if (!ignoreCurrent && currentRoute != null)
{
try
{
await currentRoute.OnRouteHidden();
}
catch (Exception ex)
{
RouteErrorListener.TryOnRouteEventException(currentRoute, RouteEventType.Hidden, ex);
}
}
try
{
await route.OnRouteInitialized();
}
catch (Exception ex)
{
errors.Add(new RouteEventError(RouteEventType.Initialized, ex));
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.Initialized, ex);
}
try
{
await route.OnRouteActivated();
}
catch (Exception ex)
{
errors.Add(new RouteEventError(RouteEventType.Activated, ex));
RouteErrorListener.TryOnRouteEventException(route, RouteEventType.Activated, ex);
}
return(item.CompletionSource);
}