protected void AddViewToRegionByName(string regionName, string viewName, object userState = null)
{
FrameworkElement view = ViewRegistryService.ResolveView(viewName);
ViewModelBase viewModelBase = view.DataContext as ViewModelBase;//PW.Windows.Contract.AssertIsType<ViewModelBase>(() => view.DataContext, view.DataContext);
//PW.Windows.Contract.AssertNotNull(() => viewModelBase, viewModelBase, "Error for view : " + viewName);
if (viewModelBase == null)
{
throw new InvalidOperationException("Error for view : " + viewName);
}
viewModelBase.Initialize(userState);
var region = RegionManager.Regions[regionName];
if (!region.Views.Contains(view))
{
RegionManager.Regions[regionName].Add(view);
}
ITransitionViewModel transitionViewModel = view.DataContext as ITransitionViewModel;
if (transitionViewModel != null)
{
transitionViewModel.BeginLoad();
}
}
public static IObservable <EventPattern <TransitionEventArgs> > GetTransitionCompleted(this ITransitionViewModel target, TransitionState targetState)
{
var observable = Observable.FromEventPattern <TransitionEventArgs>(target, "TransitionCompleted");
var filter = from EventPattern <TransitionEventArgs> c in observable
where c.EventArgs.CompletedTransition == targetState
select c;
return(filter);
}
public static IObservable <EventPattern <TransitionEventArgs> > GetTransitionCompleted(this ITransitionViewModel target)
{
return(Observable.FromEventPattern <TransitionEventArgs>(target, "TransitionCompleted"));
}
