make DataManager a QObject with reload() slot that emits signal updated()
/* * Hedgewars, a free turn based strategy game * Copyright (c) 2006-2007 Igor Ulyanov <iulyanov@gmail.com> * Copyright (c) 2007-2012 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA *//** * @file * @brief DataManager class definition */#ifndef HEDGEWARS_DATAMANAGER_H#define HEDGEWARS_DATAMANAGER_H#include <QDir>#include <QFile>#include <QStringList>class QDir;class QFile;class QStringList;/** * @brief Offers access to the data files of hedgewars. * * @see <a href="http://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="http://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("*") ) const; /** * @brief Returns the path for the desires data file. * * Use this method if you want to read an existing data file. * * @param relativeDataFilePath relative path of the data file. * @return real path to the file. */ QString findFileForRead(const QString & relativeDataFilePath) const; /** * @brief Returns the path for the data file that is to be written. * * Use this method if you want to create or write into a data file. * * @param relativeDataFilePath relative path of data file write path. * @return destination of path data file. */ QString findFileForWrite(const QString & relativeDataFilePath) const; public slots: /** * @brief Reloads data from storage. */ void reload(); signals: /** * @brief 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="http://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a> */ DataManager(); QDir * defaultData; ///< directory of the installed data QDir * userData; ///< directory of custom data in the user's directory};#endif // HEDGEWARS_DATAMANAGER_H