public void Activate()
{
if (IsRootNode)
{
return;
}
ParentScreen.ActivateChildScreen(this);
}
public void ActivateChildScreen(IScreen screen)
{
var child = screen as Screen;
var args = new ScreenChangingEventArgs();
child._screenChangingEvent.OnNext(args);
if (args.IsHandled && args.IsCanceled)
{
return;
}
if (screen == null)
{
Debug.WriteLine("ActivateChildScreen with null");
return;
}
if (!Contains(screen))
{
throw new ArgumentException("cannot activate screen, because the screen %0 doesn't contains screen %1");
}
if (_isMutual)
{
foreach (var childNode in ChildNodes)
{
if (childNode == screen)
{
continue;
}
childNode.IsActive = false;
// _onExitEvent.OnNext(this);
}
ActiveIndex = screen.Index;
}
screen.IsActive = true;
// _onEnterEvent.OnNext(this);
if (IsRootNode)
{
}
else
{
ParentScreen.ActivateChildScreen(this);
}
// if (ActiveChanged != null)
// ActiveChanged(this);
_activeChangedEvent.OnNext(this);
}
