UndoStack.h

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// Name:        UndoStack.h
// Purpose:     
// Author:      Joe Yates
// Modified by:
// Created:     11/10/2004
// RCS-ID:      $Id: UndoStack.h,v 1.1.1.1 2006/01/24 22:13:19 titusd Exp $
// Copyright:   (c) BID Snc
// License:     BSD license (see the file 'LICENSE.txt')

#ifndef __UndoStack_h__
#define __UndoStack_h__

#include <Undo.h>

#define shFILECHANGE_MOVE       wxT("FileMove")
#define shFILECHANGE_TOWASTEBIN wxT("FileToWastebin")
#define shFILECHANGE_RESTORE    wxT("FileRestore")
#define shFILECHANGE_CREATE     wxT("FileCreate")

namespace Undo
{

class FileChange
  {
  // friends, classes, enums and types

  // Constructors/destructors
  public:
    FileChange(wxString const& sType, wxString const& sPathName) :
      m_sType(sType),
      m_sPathName(sPathName)
      {}
    virtual ~FileChange()
      {}

  public:
    wxString GetType()
      {
      return m_sType;
      }
    wxString GetPathName()
      {
      return m_sPathName;
      }
    virtual wxString ToString() = 0;

  protected:
    wxString m_sType;
    wxString m_sPathName;
  };

class FileMove : public FileChange
  {
  // Constructors/destructors
  public:
    FileMove(wxString const& sOldPathName, wxString const& sNewPathName) :
      FileChange(shFILECHANGE_MOVE, sOldPathName),
      m_sNewPathName(sNewPathName)
      {}
    virtual ~FileMove()
      {}

  public:
    wxString GetNewPathName()
      {
      return m_sNewPathName;
      }
    virtual wxString ToString()
      {
      return GetType() << wxT(": ") << GetPathName() << wxT(" -> ") << m_sNewPathName;
      }

  public:
    wxString m_sNewPathName;
  };

class FileToWastebin : public FileChange
  {
  // Constructors/destructors
  public:
    FileToWastebin(wxString const& sPathName, int nWastebinId) :
      FileChange(shFILECHANGE_TOWASTEBIN, sPathName),
      m_nWastebinId(nWastebinId)
      {}
    virtual ~FileToWastebin()
      {}

  public:
    virtual wxString ToString()
      {
      return GetType() << wxT(": ") << GetPathName() << wxT(" sent to wastebin");
      }
    int GetWastebinId()
      { return m_nWastebinId; }

  public:
    void SetPathName(const wxString& sPathName)
      { m_sPathName = sPathName; }
    void SetWastebinId(int nWastebinId)
      { m_nWastebinId = m_nWastebinId; }

  private:
    int m_nWastebinId; // Allows us to restore
  };

class FileRestore : public FileChange
  {
  // Constructors/destructors
  public:
    FileRestore(wxString const& sPathName) :
      FileChange(shFILECHANGE_RESTORE, sPathName)
      {}
    virtual ~FileRestore()
      {}

  public:
    virtual wxString ToString()
      {
      return GetType() << wxT(": ") << GetPathName();
      }
  };

class FileCreate : public FileChange
  {
  // Constructors/destructors
  public:
    FileCreate(wxString const& sPathName) :
      FileChange(shFILECHANGE_CREATE, sPathName)
      {}
    virtual ~FileCreate()
      {}

  public:
    virtual wxString ToString()
      {
      return GetType() << wxT(": ") << GetPathName();
      }
  };

class UndoStack : public Undo::DeletingStack<FileChange *>
  {
  // friends, classes, enums and types
  // Constructors/destructors
  public:
    UndoStack();
  // Operators
  // Slots
  // Methods
  public:
    wxString Dump();
  // Members
  };

} // namespace Undo


#endif // ndef __UndoStack_h__

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