zd_document.hpp

/* zd_document.hpp */
/* $Id: zd_document.hpp,v 1.4 2007/12/04 13:26:25 vlad Exp $ */
#ifndef __zd_document_hpp
#define __zd_document_hpp

#include "zqb_view.hpp"


class ZdDocument : virtual public ZqbAutoName
{
  friend class  ZqbView;

public:

  ZdDocument (const char* szName = NULL);

  virtual ~ZdDocument ();


  /*
   *  Run-time type identification facility
   */

  virtual bool      compatibleType (const char* szType) const;


  /*
   *  Refresh operations for data document and for the view
   */

  virtual void      updateViews ();


  /*
   *  State support functionality
   *
   *  The state of changes is meaningful only for visualization in
   *  View/Doc concept and does not fit for synchronization with
   *  external storage (such as file or database).
   *
   */

  virtual bool      isChanged ();

  virtual void      setChanges ();

  virtual void      resetChanges ();

protected:

  ZqbViewVector     m_Views;

private:

  bool          m_bChanges;

  static int        s_iNameCounter;

  static char       *s_szOwnType;

};


#endif /* zd_document.hpp */