ConnectionParameterViewer.h

Go to the documentation of this file.

/***************************************************************************
 *   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 CONNECTIONPARAMETERVIEWER_H
#define CONNECTIONPARAMETERVIEWER_H

//SpikeStream includes
#include "DBInterface.h"

//Qt includes
#include <qxml.h>
#include <qdialog.h>
#include <qwidget.h>
#include <qlayout.h>

//----------------------- Connection Parameter Viewer -----------------------
/*! Displays the parameters of connection group. */
/* FIXME IN THE FUTURE THIS SHOULD ENABLE THE USER TO CREATE A NEW CONNECTION
        GROUP BASED ON THESE PARAMETERS.
   FIXME THIS SHOULD DELETE ITSELF WHEN THE WINDOW IS CLOSED. */
//--------------------------------------------------------------------------

class ConnectionParameterViewer : public QDialog, public QXmlDefaultHandler {
        Q_OBJECT

        public:
                ConnectionParameterViewer(QWidget* parent, DBInterface* netDBInter, unsigned int cGrpID);
                ~ConnectionParameterViewer();
                bool loadError();


        protected:
                //Parsing methods inherited from QXmlDefaultHandler
                bool characters ( const QString & ch );
        bool endElement( const QString&, const QString&, const QString& );
        bool startDocument();
        bool startElement( const QString&, const QString&, const QString& , const QXmlAttributes& );
                
                //Error handling methods inherited from QXmlDefaultHandler
                bool error ( const QXmlParseException & exception );
                QString errorString();
                bool fatalError ( const QXmlParseException & exception );
                bool warning ( const QXmlParseException & exception );


        private slots:
                void okButtonPressed();
                void cancelButtonPressed();


        private:
                //=========================== VARIABLES =============================
                /*! Database connection.*/
                DBInterface* networkDBInterface;

                /*! The connection group whose parameters are being displayed.*/
                unsigned int connGrpID;

                /*! Stores the current element. */
                QString currentElement;

                /*! Records whether there has been an error during parsing. */
                bool parseError;

                /*! Error messages generated during parsing. */
                QString parseErrorString;

                /*! The current horizontal box.*/
                QHBoxLayout* currentHBox;

                /*! The main vertical box for the widget.*/
                QVBoxLayout* mainVerticalBox;

                /*! Records if there has been an error during startup.*/
                bool errorState;


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

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

};

#endif//CONNECTIONPARAMETERVIEWER_H

---