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 /*
  * SPDX-FileCopyrightText: 2008 Frederik Gladhorn <frederik.gladhorn@kdemail.net>
  * SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef KEDUVOCLEITNERBOX_H
 #define KEDUVOCLEITNERBOX_H
 
 #include "keduvocdocument_export.h"
 
 #include "keduvoccontainer.h"
 
 #include <QList>
 #include <QString>
 
 class KEduVocExpression;
 class KEduVocTranslation;
 
 /**
  * Leitner Boxes are an alternative grading system.
  * Classically flash cards are kept in boxes and moved corresponding to the users knowledge level.
  */
 class KEDUVOCDOCUMENT_EXPORT KEduVocLeitnerBox :public KEduVocContainer
 {
 public:
     /** default constructor */
     explicit KEduVocLeitnerBox(const QString& name, KEduVocLeitnerBox *parent = nullptr);
 
     /** destructor */
     ~KEduVocLeitnerBox() override;
 
     /**
      * The leitner box class keeps track of individual translations, because for one entry, the translations can have different grades.
      * @param row 
      * @return 
      */
     KEduVocTranslation * translation(int row);
 
     /**
      * get a list of all entries in the box
      * @return 
      */
     QList < KEduVocExpression* > entries(EnumEntriesRecursive recursive = NotRecursive) Q_DECL_OVERRIDE;
 
     KEduVocExpression* entry(int row, EnumEntriesRecursive recursive = NotRecursive) Q_DECL_OVERRIDE;
 
     /** get the number of entries in the lesson */
     int entryCount(EnumEntriesRecursive recursive = NotRecursive) Q_DECL_OVERRIDE;
 
 private:
     class Private;
     Private * const d;
 
     /** add an entry to the lesson
      * @param entryid id of the entry to add
      */
     void addTranslation(KEduVocTranslation* translation);
 
     /** remove an entry from the lesson
      * @param entryid id of the entry to remove
      */
     void removeTranslation(KEduVocTranslation* translation);
 
     friend class KEduVocTranslation;
 };
 
 #endif