ControlFactory.h

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#pragma once
 
#include <functional>
#include <memory>
#include <string>
#include <unordered_map>
 
namespace z8::ui {
class BaseNode;
 
class ControlFactory {
public:
  using Creator = std::function<std::unique_ptr<BaseNode>()>;
 
  ControlFactory();
  void Register(const std::string& type, Creator creator);
  std::unique_ptr<BaseNode> Create(const std::string& type) const;
 
  static ControlFactory& Instance();
 
private:
  std::unordered_map<std::string, Creator> Creators;
};
} // namespace z8::ui