private void SetupServices()
{
string servicesAttribute = (string)Document.Body.GetAttribute(ServicesAttribute);
if (String.IsNullOrEmpty(servicesAttribute))
{
return;
}
string[] serviceNames = servicesAttribute.Split(",");
int serviceCount = serviceNames.Length;
for (int i = 0; i < serviceCount; i++)
{
string name = serviceNames[i];
ServiceRegistration registration = _registeredServices[name];
Debug.Assert(registration != null, "Unknown service '" + name + "'");
// TODO: Add support for deferred loading of service implementation, where
// the service gets included later, even though it is declared at the
// page level.
object service = GetObject(registration.ServiceImplementationType);
IInitializable initializableService = service as IInitializable;
if (initializableService != null)
{
Dictionary <string, object> options = OptionsParser.GetOptions(Document.Body, name);
initializableService.BeginInitialization(options);
initializableService.EndInitialization();
}
RegisterObject(registration.ServiceType, service);
}
}
public void ActivateFragment(Element element, bool contentOnly, object model)
{
Debug.Assert(element != null);
if (element == Document.Body)
{
// Perform app-level activation (tied to body initialization)
// Setup top-level services specified declaratively.
SetupServices();
// Create the model declaratively associated with the application.
if (model == null)
{
string modelTypeName = (string)Document.Body.GetAttribute(ModelTypeAttribute);
if (String.IsNullOrEmpty(modelTypeName) == false)
{
Type modelType = Type.GetType(modelTypeName);
Debug.Assert(modelType != null, "Could not resolve model '" + modelTypeName + "'");
model = GetObject(modelType);
IInitializable initializableModel = model as IInitializable;
if (initializableModel != null)
{
Dictionary <string, object> modelData = OptionsParser.GetOptions(element, "model");
initializableModel.BeginInitialization(modelData);
initializableModel.EndInitialization();
}
}
}
_model = model;
}
// Create expressions and bindings associated with the specified elements and
// the contained elements. Do this first, as this allows behaviors to look at
// values set as a result of bindings when they are attached.
if ((contentOnly == false) && element.HasAttribute(Application.BindingsAttribute))
{
SetupBindings(element, model);
}
ElementCollection boundElements = element.QuerySelectorAll(Application.BindingsSelector);
for (int i = 0, boundElementCount = boundElements.Length; i < boundElementCount; i++)
{
SetupBindings(boundElements[i], model);
}
// Attach behaviors associated declaratively with the specified element and the
// contained elements.
if ((contentOnly == false) && element.HasAttribute(Application.BehaviorsAttribute))
{
AttachBehaviors(element);
}
ElementCollection extendedElements = element.QuerySelectorAll(Application.BehaviorsSelector);
for (int i = 0, extendedElementCount = extendedElements.Length; i < extendedElementCount; i++)
{
AttachBehaviors(extendedElements[i]);
}
}