DatabaseManager.h

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/***************************************************************************
 *   SpikeStream Application                                               *
 *   Copyright (C) 2007 by David Gamez                                     *
 *   david@davidgamez.eu                                                   *
 *   Version 0.1                                                           *
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 *   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.             *
 ***************************************************************************/

#ifndef DATABASEMANAGER_H
#define DATABASEMANAGER_H

//SpikeStream includes
#include "DBInterface.h"
#include "BusyDialog.h"

//Qt includes
#include <qdialog.h>
#include <qprocess.h>
#include <qstring.h>
#include <qtable.h>

//Other includes
#include <stack>


//------------------------ Database Manager -------------------------------
/*! Provides an interface that allows the user to select which databases to
        save or load and carries out this saving and loading. */
//-------------------------------------------------------------------------

class DatabaseManager : public QDialog {
        Q_OBJECT
        
        public:
                DatabaseManager(QWidget* parent, QString flNme, bool saveDB, DBInterface* netDBInter, DBInterface* archDBInter, DBInterface* pattDBInter, DBInterface* devDBInter);
                ~DatabaseManager();


        private slots:
                void cancelButtonPressed();
                void okButtonPressed();
                void processExited();
                void readFromStderr();
                void readFromStdout();


        private:
                //========================= VARIABLES===============================
                //Database handling classes
                DBInterface* netDBInterface;
                DBInterface* archDBInterface;
                DBInterface* pattDBInterface;
                DBInterface* devDBInterface;

                /*! Are we saving or loading the database.*/
                bool saveMode;

                /*! Set to true when the script is running to list the databases.*/
                bool listingDatabases;

                /*! Set to true when the script is running to save the databases.*/
                bool savingDatabase;

                /*! Set to true when the script is running to load the databases.*/
                bool loadingDatabase;

                //Record which colums have which information
                unsigned int nameCol;
                unsigned int hostCol;
                unsigned int selectionCol;

                //Record which databases are on each row
                int netDBRow;
                int archDBRow;
                int pattDBRow;
                int devDBRow;

                //Qt widgets
                QTable* dbTable;

                /*! Name of the file to save or load. Should be with an extension.*/
                QString fileName;

                /*! File name with extension removed. The extension should be added
                        back by script.*/
                QString fileNameNoExtension;

                /*! The process that executes the script.*/
                QProcess* process;

                /*! Holds references to all of the databases that need to be saved.*/
                stack<DBInterface*> dbStack;

                /*! Dialog to inform user that it is busy.*/
                BusyDialog* busyDialog;

                /*! Records whether the script has started outputing information about 
                        the files. */
                bool storeList;

                /*! List of databases that can be loaded from the file.*/
                QStringList loadDBList;


                //========================== METHODS ===============================
                /*! Declare copy constructor private so it cannot be used inadvertently.*/
                DatabaseManager (const DatabaseManager&);

                /*! Declare assignment private so it cannot be used inadvertently.*/
                DatabaseManager operator = (const DatabaseManager&);

                int addDatabaseToTable(DBInterface* dbInter);
                void fillLoadTable();
                void getAvailableDatabases();
                void loadDatabase(DBInterface* dbInter);
                void saveDatabase(DBInterface* dbInter, bool compress);

};


#endif//DATABASEMANAGER_H

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