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/*===========================================================================*\
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*                              OpenFlipper                                   *
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 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
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*                                                                            *
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\*===========================================================================*/

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

#include <QDir>

#include "RecentFiles.hh"

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#include <OpenFlipper/common/GlobalOptions.hh>
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namespace OpenFlipper {
namespace Options {
  

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

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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();
}

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

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