public void ShowView(ViewWithData data)
{
View.ViewModel?.Initialize(data);
}
public override void Initialize(ViewWithData data = null)
{
base.Initialize(data);
Initialized = false;
githubObs.SelectMany(r =>
{
var b = Observable.Empty<IBranch>();
if (r.IsFork)
{
b = repositoryHost.ModelService.GetBranches(r.Parent).Select(x =>
{
return x;
});
}
return b.Concat(repositoryHost.ModelService.GetBranches(r));
})
.ToList()
.ObserveOn(RxApp.MainThreadScheduler)
.Subscribe(x =>
{
Branches = x.ToList();
Initialized = true;
});
}
void StartFlow(UIControllerFlow controllerFlow, [AllowNull]IConnection conn, ViewWithData data = null)
{
Stop();
if (conn == null)
return;
var uiProvider = ServiceProvider.GetService<IUIProvider>();
var factory = uiProvider.GetService<IExportFactoryProvider>();
var uiflow = factory.UIControllerFactory.CreateExport();
disposables.Add(uiflow);
uiController = uiflow.Value;
var creation = uiController.SelectFlow(controllerFlow).Publish().RefCount();
// if the flow is authentication, we need to show the login dialog. and we can't
// block the main thread on the subscriber, it'll block other handlers, so we're doing
// this on a separate thread and posting the dialog to the main thread
creation
.Where(c => uiController.CurrentFlow == UIControllerFlow.Authentication)
.ObserveOn(RxApp.TaskpoolScheduler)
.Subscribe(c =>
{
// nothing to do, we already have a dialog
if (windowController != null)
return;
syncContext.Post(_ =>
{
windowController = new WindowController(creation,
__ => uiController.CurrentFlow == UIControllerFlow.Authentication,
___ => uiController.CurrentFlow != UIControllerFlow.Authentication);
windowController.WindowStartupLocation = WindowStartupLocation.CenterOwner;
windowController.Load(c.View);
windowController.ShowModal();
windowController = null;
}, null);
});
creation
.Where(c => uiController.CurrentFlow != UIControllerFlow.Authentication)
.Subscribe(c =>
{
if (!navigatingViaArrows)
{
if (c.Direction == LoadDirection.Forward)
GoForward(c.Data);
else if (c.Direction == LoadDirection.Back)
GoBack();
}
UpdateToolbar();
Control = c.View;
});
if (data != null)
uiController.Jump(data);
uiController.Start(conn);
}
void GoForward(ViewWithData data)
{
currentNavItem++;
if (currentNavItem < navStack.Count)
navStack.RemoveRange(currentNavItem, navStack.Count - currentNavItem);
navStack.Add(data);
}
void LoadView(UIControllerFlow flow, IConnection connection = null, ViewWithData data = null, UIViewType type = UIViewType.None)
{
// if we're loading a single view or a different flow, we need to stop the current controller
var restart = flow == UIControllerFlow.None || uiController?.SelectedFlow != flow;
if (restart)
Stop();
// if there's no selected flow, then just load a view directly
if (flow == UIControllerFlow.None)
{
var factory = ServiceProvider.GetExportedValue<IUIFactory>();
var c = factory.CreateViewAndViewModel(type);
c.View.DataContext = c.ViewModel;
Control = c.View;
}
// it's a new flow!
else if (restart)
{
StartFlow(flow, connection, data);
}
// navigate to a requested view within the currently running uiController
else
{
uiController.Jump(data ?? navStack[currentNavItem]);
}
}
