abstractbackendmode.h

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/***************************************************************************
    Copyright 2009 Frederik Gladhorn <gladhorn@kde.org>
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#ifndef ABSTRACTBACKENDMODE_H
#define ABSTRACTBACKENDMODE_H

#include <QVariant>

#include "testentry.h"
#include "abstractfrontend.h"


namespace Practice
{

class AbstractBackendMode : public QObject
{
    Q_OBJECT

public:

    AbstractBackendMode(AbstractFrontend *frontend, QObject *parent);
    virtual ~AbstractBackendMode() {}

    virtual bool setTestEntry(TestEntry* current);

    void addSynonym(const QString& entry) {
        if (!entry.isEmpty()) m_synonyms.append(entry);
    }

    virtual grade_t currentPreGradeForEntry() const;
    virtual grade_t currentGradeForEntry() const;

    virtual void updateGrades();

public Q_SLOTS:
    virtual void hintAction() = 0;

    virtual void checkAnswer() = 0;

Q_SIGNALS:
    void removeCurrentEntryFromPractice();

    void nextEntry();

    void answerRight();
    void answerWrongRetry();
    void answerWrongShowSolution();
    void showSolution();

protected:
    // Support functions for derived classes

    void updateGrade(KEduVocText &text, bool isCorrectAnswer, bool hasNoPreviousBadAnswers);

protected:
    AbstractFrontend* m_frontend;
    TestEntry* m_current;
    QStringList m_synonyms;
};

}

#endif // ABSTRACTBACKENDMODE_H