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/** \file
\brief The TUndo class
*/
#ifndef _UNDO_H_
#define _UNDO_H_
#include <wx/wx.h>
using namespace std ;
class TVector ;
#ifndef _wxArrayTVector
#define _wxArrayTVector
WX_DEFINE_ARRAY(TVector *, wxArrayTVector);
#endif
/// This class stores TVector objects for the undo function
class TUndo
{
public :
TUndo () ; ///< Constructor
~TUndo () {} ; ///< Destructor (empty)
void setbase ( TVector *_base ) ; ///< Set the base TVector
void start ( wxString _msg = _T("") ) ; ///< Start the undo record, with action name
void stop () ; ///< End the undo record
void abort () ; ///< Abort the undo record
void pop () ; ///< Remove the last undo record
bool canUndo () ; ///< Is there undo information available?
wxString getLastMessage () ; ///< Returns the name of the last action with undo information
void remember ( wxString _msg ) ; ///< Remember the current state and action name
void clear () ; ///< Remove all undo information
TUndo & operator = ( TUndo &u ) ;
private :
wxArrayTVector mem ; ///< The old TVector objects
wxArrayString msg ; ///< The action names
int cnt ; ///< Internam counter
TVector *base ; ///< Pointer to the base TVector object
} ;
#endif
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