GUI/Widgets/vtkKWMostRecentFilesManager.h

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/*=========================================================================

  Module:    $RCSfile: vtkKWMostRecentFilesManager.h,v $

  Copyright (c) Kitware, Inc.
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
#ifndef __vtkKWMostRecentFilesManager_h
#define __vtkKWMostRecentFilesManager_h

#include "vtkKWObject.h"

class vtkKWMostRecentFilesManagerInternals;
class vtkKWMenu;

class KWWIDGETS_EXPORT vtkKWMostRecentFilesManager : public vtkKWObject
{
public:
  static vtkKWMostRecentFilesManager* New();
  vtkTypeRevisionMacro(vtkKWMostRecentFilesManager,vtkKWObject);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void AddFile(
    const char *filename, 
    vtkObject *target_object = NULL, 
    const char *target_command = NULL);
  

  vtkGetObjectMacro(DefaultTargetObject, vtkObject);
  virtual void SetDefaultTargetObject(vtkObject*);
  vtkGetStringMacro(DefaultTargetCommand);
  virtual void SetDefaultTargetCommand(const char *);


  virtual void RestoreFilesListFromRegistry();
  virtual void SaveFilesToRegistry();
  virtual void RestoreFilesListFromRegistry(
    const char *reg_key, int max_nb);
  virtual void SaveFilesToRegistry(
    const char *reg_key, int max_nb);


  vtkGetStringMacro(RegistryKey);
  vtkSetStringMacro(RegistryKey);


  vtkGetMacro(MaximumNumberOfFilesInRegistry, int);
  vtkSetMacro(MaximumNumberOfFilesInRegistry, int);

  vtkKWMenu* GetMenu();


  vtkGetMacro(MaximumNumberOfFilesInMenu, int);
  virtual void SetMaximumNumberOfFilesInMenu(int);

  virtual void UpdateMenuStateInParent();

  virtual void PopulateMenu(vtkKWMenu*, int max_nb);

protected:
  vtkKWMostRecentFilesManager();
  ~vtkKWMostRecentFilesManager();

  char        *DefaultTargetCommand;
  vtkObject   *DefaultTargetObject;
  char        *RegistryKey;
  int         MaximumNumberOfFilesInRegistry;
  int         MaximumNumberOfFilesInMenu;

  //BTX

  // PIMPL Encapsulation for STL containers

  vtkKWMostRecentFilesManagerInternals *Internals;
  friend class vtkKWMostRecentFilesManagerInternals;

  //ETX


  virtual void AddFileInternal(
    const char *filename, 
    vtkObject *target_object = NULL, 
    const char *target_command = NULL);

  virtual void UpdateMenu();

private:
  
  // In private for lazy allocation using GetMenu()

  vtkKWMenu *Menu;

  vtkKWMostRecentFilesManager(const vtkKWMostRecentFilesManager&); // Not implemented
  void operator=(const vtkKWMostRecentFilesManager&); // Not implemented
};

#endif

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