UndoStackManager.h

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/*  Copyright (C) 2008 National Institute For Space Research (INPE) - Brazil.

    This file is part of the TerraLib - a Framework for building GIS enabled applications.

    TerraLib is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as published by
    the Free Software Foundation, either version 3 of the License,
    or (at your option) any later version.

    TerraLib is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public License
    along with TerraLib. See COPYING. If not, write to
    TerraLib Team at <terralib-team@terralib.org>.
*/

/*!
\file terralib/edit/qt/core/UndoStackManager.h

\brief
*/

#ifndef __TERRALIB_EDIT_QT_INTERNAL_UNDOSTACKMANAGER_H
#define __TERRALIB_EDIT_QT_INTERNAL_UNDOSTACKMANAGER_H

// TerraLib
#include "../../Feature.h"
#include "../../RepositoryManager.h"
#include "../Config.h"

class QUndoCommand;
class QUndoStack;

//STL
#include <map>

namespace te
{
  namespace edit
  {
    /*!
    \class UndoStackManager

    \brief
    */
    class TEEDITQTEXPORT UndoStackManager : public te::common::Singleton<UndoStackManager>
    {
        friend class te::common::Singleton<UndoStackManager>;

      public:

        /*!
        \brief Method that insert command Undo/Redo of type AddCommand in the Undo/Redo stack.

        \param command command
        */
        void addUndoStack(QUndoCommand* command);

        /*!
        \brief Method that return stack of Undo/Redo.

        \return stack
        */
        QUndoStack* getUndoStack();

        const std::vector<Feature*>& getAddWatches() const;

        void addWatch(Feature* feature);

        void reset();

        int m_currentIndex;

      protected:

        /*! \brief It initializes the singleton instance of the repository manager. */
        UndoStackManager();

        /*! \brief Singleton destructor. */
        ~UndoStackManager();

        std::vector<Feature*> m_addWatches;

        QUndoStack* m_undoStack;                               //!< Undo/Redo stack

    };

  }   // end namespace edit
}     // end namespace te

#endif  // __TERRALIB_EDIT_QT_INTERNAL_UNDOSTACKMANAGER_H