FormatterInterface.h

#ifndef FORMATTER_INTERFACE_H
#define FORMATTER_INTERFACE_H

#include <string>
#include <memory>

class FormatterImplementation
{
public:
  virtual ~FormatterImplementation() {};

  // Settings
  virtual void SetMaxWidth(int maxWidth) = 0;
  virtual int  GetMaxWidth() = 0;
  virtual void SetMaxHeight(int maxHeight) = 0;
  virtual int  GetMaxHeight() = 0;

  // Render Methods
  virtual void Build() = 0;
  virtual int  GetRenderableLineCount() = 0;
  virtual std::shared_ptr<std::string> GetLine(int x) = 0;
  virtual void GetCursorPosition(int &row, int &col) = 0;
  virtual void SetCursorPosition(int row, int col) = 0;

  // Actions
  virtual void HandleMoveLeft() = 0;
  virtual void HandleMoveRight() = 0;
  virtual void HandleMoveUp() = 0;
  virtual void HandleMoveDown() = 0;

  // Special Actions
  virtual void HandlePageUp() = 0;
  virtual void HandlePageDown() = 0;
  virtual void HandleHome() = 0;
  virtual void HandleEnd() = 0;
  
  // Adjustment Methods
  virtual void GridToCursor(int &row, int &col) = 0;
  virtual void CursorToGrid(int &row, int &col) = 0;

};

class FormatterInterface
{
public:
  FormatterInterface();
  ~FormatterInterface();

  // Settings
  void SetImplementor(FormatterImplementation *imp);
  void SetMaxWidth(int maxWidth);
  int  GetMaxWidth();
  void SetMaxHeight(int maxHeight);
  int  GetMaxHeight();

  // Render Methods
  void Build();
  int  GetRenderableLineCount();
  std::shared_ptr<std::string> GetLine(int x);
  void GetCursorPosition(int &row, int &col);
  void GetPosition(int &row, int &col);
  void SetPosition(int row, int col);

  // Actions
  void HandleMoveLeft();
  void HandleMoveRight();
  void HandleMoveUp();
  void HandleMoveDown();

  // Special Keys
  void HandlePageUp();
  void HandlePageDown();
  void HandleHome();
  void HandleEnd();

private:
  void CheckImplementor();
  std::shared_ptr<FormatterImplementation> implementor;
};

#endif /* VIEW_CONTROLLER_INTERFACE_H */