protected override void OnAttached()
{
base.OnAttached();
Target = new DOTargetWrapper(AssociatedObject);
if (Target.IsNull)
{
ModuleInjectionException.CannotAttach();
}
if (Target.IsInitialized || !WaitForInitialization)
{
OnInitialized();
}
else
{
Target.Initialized += OnTargetInitialized;
}
Target.DataContextChanged += OnTargetDataContextChanged;
}
static void GetServices(object viewModel, bool throwIfNotSupportServices, bool checkServiceIds, out IEnumerable <IVisualStateServiceImplementation> services)
{
if (throwIfNotSupportServices)
{
Verifier.VerifyViewModelISupportServices(viewModel);
}
if (!(viewModel is ISupportServices))
{
services = new IVisualStateServiceImplementation[] { };
return;
}
var serviceContainer = ((ISupportServices)viewModel).ServiceContainer;
services = serviceContainer.GetServices <IVisualStateService>(true).Cast <IVisualStateServiceImplementation>();
if (checkServiceIds && services.GroupBy(x => x.Id).Where(x => x.Count() > 1).Any())
{
ModuleInjectionException.VisualStateServiceName();
}
}
void Init()
{
object vm = null;
if (Factory != null)
{
vm = Factory();
}
else if (ViewModelName != null)
{
vm = viewModelLocator.ResolveViewModel(ViewModelName);
if (vm == null)
{
ModuleInjectionException.CannotResolveVM(ViewModelName);
}
}
if (vm == null)
{
ModuleInjectionException.NullVM();
}
if (keepViewModelAlive)
{
viewModel = vm;
}
else
{
viewModelRef = new WeakReference(vm);
}
InitParameter();
if (string.IsNullOrEmpty(ViewModelName))
{
ViewModelName = viewModelLocator.GetViewModelTypeName(vm.GetType());
}
InitViewType();
InitViewName();
}
