elementfactory.cpp

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/*
    Copyright 2006-2019 The QElectroTech Team
    This file is part of QElectroTech.

    QElectroTech 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.

    QElectroTech 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 QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#include "elementfactory.h"
#include "QDomElement"
#include "simpleelement.h"
#include "reportelement.h"
#include "masterelement.h"
#include "slaveelement.h"
#include "terminalelement.h"

ElementFactory* ElementFactory::factory_ = nullptr;
Element * ElementFactory::createElement(const ElementsLocation &location, QGraphicsItem *qgi, int *state)
{
    if (Q_UNLIKELY( !(location.isElement() && location.exist()) ))
    {
        if (state)
            *state = 1;
        return nullptr;
    }

    if (location.xml().hasAttribute("link_type"))
    {
        QString link_type = location.xml().attribute("link_type");
        if (link_type == "next_report" || link_type == "previous_report") return (new ReportElement(location, link_type, qgi, state));
        if (link_type == "master")   return (new MasterElement   (location, qgi, state));
        if (link_type == "slave")    return (new SlaveElement    (location, qgi, state));
        if (link_type == "terminal") return (new TerminalElement (location, qgi, state));
    }
    
        //default if nothing match for link_type
    return (new SimpleElement(location, qgi, state));
}