menu.hpp

深入浅出设计模式（书配套c++源代码)。包含20个设计模式的c++实现。

#ifndef	_HFDP_CPP_COMPOSITE_MENUS_MENU_HPP_
#define _HFDP_CPP_COMPOSITE_MENUS_MENU_HPP_

namespace HeadFirstDesignPatterns {
namespace Composite {
namespace Menus {

class Menu : public MenuComponent {

	private: std::string _name;
	private: std::string _description;
	private: mutable std::vector< MenuComponent* > _menuComponents;
  
	public: Menu( const std::string name, const std::string description ) :
		_name( name ), _description( description ) {
	}
 	public: void add( MenuComponent* menuComponent ) { assert( menuComponent );
		_menuComponents.push_back( menuComponent );
	}
 	public: void remove( MenuComponent* menuComponent ) { assert( menuComponent );
		std::remove( _menuComponents.begin(), _menuComponents.end(), menuComponent );
	}
 	public: MenuComponent* getChild( int i ) const {
		return _menuComponents[i];
	}
 	public: std::string getName() const {
		return _name;
	}
 	public: std::string getDescription() const {
		return _description;
	}
	public: void print() const {
		std::cout << std::endl << getName().c_str();
		std::cout << ", " << getDescription().c_str() << std::endl;
		std::cout << "---------------------" << std::endl;
  
		std::vector< MenuComponent* >::iterator iterator = _menuComponents.begin();
		while( iterator != _menuComponents.end() ) {
			MenuComponent* menuComponent = *iterator++;
			menuComponent->print();
		}
	}
};

} // namespace Menus
} // namespace Composite
} // namespace HeadFirstDesignPatterns

#endif