IGUIDocument* GUISystem::LoadDocument(const char* file, const char* id)
{
assert(m_pContext);
// Check for an existing document with this ID
Rocket::Core::ElementDocument* pExisting = m_pContext->GetDocument(id);
Rocket::Core::ElementDocument* pED = m_pContext->LoadDocument(file);
if (pED)
{
if (pExisting)
{
// Delete existing document now that new one has been successfully loaded
pExisting->Hide();
m_pContext->UnloadDocument(pExisting);
}
pED->SetId(id);
return InstanceDocument(pED, true);
}
return NULL;
}
// Loads a window and binds the event handler for it.
Rocket::Core::ElementDocument* EventManager::LoadWindow(const Rocket::Core::String& window_name)
{
// Set the event handler for the new screen, if one has been registered.
EventHandler* old_event_handler = event_handler;
EventHandlerMap::iterator iterator = event_handlers.find(window_name);
if (iterator != event_handlers.end())
{
event_handler = iterator->second;
//Rocket::Core::Log::Message(Rocket::Core::Log::LT_INFO, "%s", window_name.CString());
}
else
event_handler = NULL;
// Attempt to load the referenced RML document.
Rocket::Core::String document_path = Rocket::Core::String("data/") + window_name + Rocket::Core::String(".rml");
Rocket::Core::ElementDocument* document = Context->LoadDocument(document_path.CString());
if (document == nullptr)
{
event_handler = old_event_handler;
return nullptr;
}
document->SetId(window_name);
// Set the element's title on the title; IDd 'title' in the RML.
Rocket::Core::Element* title = document->GetElementById("title");
if (title != NULL)
title->SetInnerRML(document->GetTitle());
document->Focus();
document->Show();
// Remove the caller's reference.
document->RemoveReference();
return document;
}