QTfrontend/util/DataManager.h
author Wuzzy <Wuzzy2@mail.ru>
Wed, 25 Oct 2017 23:09:41 +0200
changeset 12763 ad67a3804981
parent 12295 ac57d564efce
permissions -rw-r--r--
Fix sometimes ammo schemes not being saved after changing before an ammo scheme got deleted in session This was because the bool isDeleting is not initialized, so its initial value is unpredictable. Which means there's chance it starts with true, confusing the frontend.

/*
 * Hedgewars, a free turn based strategy game
 * Copyright (c) 2004-2015 Andrey Korotaev <unC0Rr@gmail.com>
 *
 * 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; version 2 of the License
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

/**
 * @file
 * @brief DataManager class definition
 */

#ifndef HEDGEWARS_DATAMANAGER_H
#define HEDGEWARS_DATAMANAGER_H

#include <QDir>
#include <QFile>
#include <QStringList>

class GameStyleModel;
class HatModel;
class MapModel;
class ThemeModel;
class QStandardItemModel;

/**
 * @brief Offers access to the data files of hedgewars.
 *
 * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>
 *
 * @author sheepluva
 * @since 0.9.17
 */
class DataManager: public QObject
{
        Q_OBJECT

    public:
        /**
         * @brief Returns reference to the <i>singleton</i> instance of this class.
         *
         * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>
         *
         * @return reference to the instance.
         */
        static DataManager & instance();

        /**
         * @brief Returns a sorted list of data directory entries.
         *
         * @param subDirectory sub-directory to search.
         * @param filters filters for entry type.
         * @param nameFilters filters by name patterns.
         * @return a sorted list of matches in the subDirectory of data directory.
         */
        QStringList entryList(const QString & subDirectory,
                              QDir::Filters filters = QDir::NoFilter,
                              const QStringList & nameFilters = QStringList("*"),
                              bool withDLC = true
                             ) const;

        /**
         * @brief Returns pointer to a model of available game styles.
         *
         * The model is updated automatically on data reload.
         *
         * @return game style model pointer.
         */
        GameStyleModel * gameStyleModel();

        /**
         * @brief Returns pointer to a model of available hats.
         *
         * The model is updated automatically on data reload.
         *
         * @return hat model pointer.
         */
        HatModel * hatModel();

        /**
         * @brief Returns pointer to a model of available static maps.
         *
         * The model is updated automatically on data reload.
         *
         * @return map model pointer.
         */
        MapModel * staticMapModel();

        /**
         * @brief Returns pointer to a model of available mission maps.
         *
         * The model is updated automatically on data reload.
         *
         * @return map model pointer.
         */
        MapModel * missionMapModel();

        /**
         * @brief Returns pointer to a model of available themes.
         *
         * The model is updated automatically on data reload.
         *
         * @return theme model pointer.
         */
        ThemeModel * themeModel();

        QStandardItemModel * colorsModel();
        QStandardItemModel * bindsModel();

        QString settingsFileName();

        static QString safeFileName(QString fileName);

        static bool ensureFileExists(const QString & fileName);

    public slots:
        /// Reloads data from storage.
        void reload();
        void resetColors();


    signals:
        /// This signal is emitted after the data has been updated.
        void updated();


    private:
        /**
         * @brief Class constructor of the <i>singleton</i>.
         *
         * Not to be used from outside the class,
         * use the static {@link DataManager::instance()} instead.
         *
         * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>
         */
        DataManager();

        GameStyleModel * m_gameStyleModel; ///< game style model instance
        HatModel * m_hatModel; ///< hat model instance
        MapModel * m_staticMapModel; ///< static map model instance
        MapModel * m_missionMapModel; ///< mission map model instance
        ThemeModel * m_themeModel; ///< theme model instance
        QStandardItemModel * m_colorsModel;
        QStandardItemModel * m_bindsModel;
        QString m_settingsFileName;
};

#endif // HEDGEWARS_DATAMANAGER_H