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/*
* This source file is part of MyGUI. For the latest info, see http://mygui.info/
* Distributed under the MIT License
* (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
*/
#ifndef MYGUI_FACTORY_MANAGER_H_
#define MYGUI_FACTORY_MANAGER_H_
#include "MyGUI_Prerequest.h"
#include "MyGUI_Singleton.h"
#include "MyGUI_IObject.h"
#include "MyGUI_GenericFactory.h"
namespace MyGUI
{
class MYGUI_EXPORT FactoryManager
{
MYGUI_SINGLETON_DECLARATION(FactoryManager);
public:
FactoryManager();
void initialise();
void shutdown();
using Delegate = delegates::Delegate<IObject*&>;
/** Register delegate function that creates object for specified _category and _type. */
void registerFactory(std::string_view _category, std::string_view _type, Delegate::IDelegate* _delegate);
/** Unregister delegate function that creates object for specified _category and _type. */
void unregisterFactory(std::string_view _category, std::string_view _type);
/** Unregister all delegate functions that creates object for specified _category. */
void unregisterFactory(std::string_view _category);
/** Is factory for specified _category and _type exist. */
bool isFactoryExist(std::string_view _category, std::string_view _type);
/** Register factory for specified _category. */
template<typename Type>
void registerFactory(std::string_view _category)
{
registerFactory(_category, Type::getClassTypeName(), GenericFactory<Type>::getFactory());
}
/** Register factory for specified _category and _type. */
template<typename Type>
void registerFactory(std::string_view _category, std::string_view _type)
{
registerFactory(_category, _type, GenericFactory<Type>::getFactory());
}
/** Unegister factory for specified _category. */
template<typename Type>
void unregisterFactory(std::string_view _category)
{
unregisterFactory(_category, Type::getClassTypeName());
}
/** Create object with given _category and _type. Return nullptr if there's no registered factory. */
IObject* createObject(std::string_view _category, std::string_view _type);
/** Create object with given _category and _type. Return nullptr if there's no registered factory. */
template<typename Type>
Type* createObject(std::string_view _category)
{
IObject* item = createObject(_category, Type::getClassTypeName());
if (item != nullptr)
return item->castType<Type>(false);
return nullptr;
}
/** Destroy object */
void destroyObject(IObject* _object);
private:
using MapFactoryItem = std::map<std::string, Delegate, std::less<>>;
using MapRegisterFactoryItem = std::map<std::string, MapFactoryItem, std::less<>>;
MapRegisterFactoryItem mRegisterFactoryItems;
bool mIsInitialise{false};
};
} // namespace MyGUI
#endif // MYGUI_FACTORY_MANAGER_H_
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