/*===========================================================================*\
*                                                                            *
*                              OpenFlipper                                   *
*      Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen       *
*                           www.openflipper.org                              *
*                                                                            *
*--------------------------------------------------------------------------- *
*  This file is part of OpenFlipper.                                         *
*                                                                            *
*  OpenFlipper 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 with the               *
*  following exceptions:                                                     *
*                                                                            *
*  If other files instantiate templates or use macros                        *
*  or inline functions from this file, or you compile this file and          *
*  link it with other files to produce an executable, this file does         *
*  not by itself cause the resulting executable to be covered by the         *
*  GNU Lesser General Public License. This exception does not however        *
*  invalidate any other reasons why the executable file might be             *
*  covered by the GNU Lesser General Public License.                         *
*                                                                            *
*  OpenFlipper 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 LesserGeneral Public           *
*  License along with OpenFlipper. If not,                                   *
*  see <http://www.gnu.org/licenses/>.                                       *
*                                                                            *
\*===========================================================================*/

/*===========================================================================*\
*                                                                            *
*   $Revision$                                                       *
*   $LastChangedBy$                                                *
*   $Date$                     *
*                                                                            *
\*===========================================================================*/




//=============================================================================
//
//  Options used throughout the System
//
//=============================================================================

#include <QDir>

#include "RecentFiles.hh"

#include <OpenFlipper/common/GlobalOptions.hh>
#include <OpenFlipper/common/Types.hh>

namespace OpenFlipper {
namespace Options {
  

void addRecentFile(QString _file, DataType _type) {
  
  
  QStringList recentFiles = OpenFlipperSettings().value("Core/File/RecentFiles", QStringList()).toStringList();
  QStringList recentTypes = OpenFlipperSettings().value("Core/File/RecentTypes", QStringList()).toStringList();
  
  QString type = typeName(_type);
  
  // Check if file already in recent list
  for ( int i = 0 ; i < recentFiles.size() ; ++i)
    if ( _file == recentFiles[i] && type == recentTypes[i] ){
      recentFiles.removeAt(i);
      recentTypes.removeAt(i);
    }
  
  // Erase if too many files in list
  if ( recentFiles.size() >= OpenFlipperSettings().value("Core/File/MaxRecent",15).toInt() ) {
    recentFiles.pop_back();
    recentTypes.pop_back();
  }

  recentFiles.push_front(_file);
  recentTypes.push_front(type);
  
  OpenFlipperSettings().setValue("Core/File/RecentFiles", recentFiles);
  OpenFlipperSettings().setValue("Core/File/RecentTypes", recentTypes); 
}

void rememberRecentItem(const QString &propName, const QString &itemName, const int RECENT_ITEMS_MAX_SIZE) {
    // Read setting.
    QStringList recentItems = OpenFlipperSettings().value(propName, QStringList()).toStringList();

    // If file already on list, remove it (so it appears on top, eventually).
    int position = recentItems.indexOf(QRegExp(QRegExp::escape(itemName)));
    if (position != -1) recentItems.removeAt(position);

    // Truncate list if too long.
    if (recentItems.size() >= RECENT_ITEMS_MAX_SIZE) recentItems.removeLast();

    // Add new file to front.
    recentItems.push_front(itemName);

    // Write back setting.
    OpenFlipperSettings().setValue(propName, recentItems);
}

QStringList getRecentItems(const QString &propName) {
    return OpenFlipperSettings().value(propName, QStringList()).toStringList();
}

QString getMostRecentItem(const QString &propName) {
    QStringList sl = OpenFlipperSettings().value(propName, QStringList()).toStringList();
    if (sl.empty()) return QString();
    return sl[0];
}

}
}

//=============================================================================