/***************************************************************************
 *   Copyright (c) 2013 Jürgen Riegel <FreeCAD@juergen-riegel.net>         *
 *                                                                         *
 *   This file is part of the FreeCAD CAx development system.              *
 *                                                                         *
 *   This library is free software; you can redistribute it and/or         *
 *   modify it under the terms of the GNU Library General Public           *
 *   License as published by the Free Software Foundation; either          *
 *   version 2 of the License, or (at your option) any later version.      *
 *                                                                         *
 *   This library  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 Library General Public License for more details.                  *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this library; see the file COPYING.LIB. If not,    *
 *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
 *   Suite 330, Boston, MA  02111-1307, USA                                *
 *                                                                         *
 ***************************************************************************/

#include "PreCompiled.h"

#ifndef _PreComp_
# include <QApplication>
# include <QMessageBox>
# include <QTextStream>
#endif

#include <Gui/Document.h>
#include <Gui/MainWindow.h>

#include "ViewProviderSolver.h"


using namespace FemGui;

PROPERTY_SOURCE(FemGui::ViewProviderSolver, Gui::ViewProviderDocumentObject)

ViewProviderSolver::ViewProviderSolver()
{
    sPixmap = "FEM_SolverStandard";
}

ViewProviderSolver::~ViewProviderSolver()
{

}

std::vector<std::string> ViewProviderSolver::getDisplayModes() const
{
    return { "Solver" };
}

bool ViewProviderSolver::onDelete(const std::vector<std::string>&)
{
    // warn the user if the object has childs

    auto objs = claimChildren();
    if (!objs.empty())
    {
        // generate dialog
        QString bodyMessage;
        QTextStream bodyMessageStream(&bodyMessage);
        bodyMessageStream << qApp->translate("Std_Delete",
            "The solver is not empty, therefore the\nfollowing referencing objects might be lost:");
        bodyMessageStream << '\n';
        for (auto ObjIterator : objs)
            bodyMessageStream << '\n' << QString::fromUtf8(ObjIterator->Label.getValue());
        bodyMessageStream << "\n\n" << QObject::tr("Are you sure you want to continue?");
        // show and evaluate the dialog
        int DialogResult = QMessageBox::warning(Gui::getMainWindow(),
            qApp->translate("Std_Delete", "Object dependencies"), bodyMessage,
            QMessageBox::Yes, QMessageBox::No);
        if (DialogResult == QMessageBox::Yes)
            return true;
        else
            return false;
    }
    else {
        return true;
    }
}

bool ViewProviderSolver::canDelete(App::DocumentObject* obj) const
{
    // deletions of objects from a FemSolver don't necessarily destroy anything
    // thus we can pass this action
    // we can warn the user if necessary in the object's ViewProvider in the onDelete() function
    Q_UNUSED(obj)
    return true;
}


// Python feature -----------------------------------------------------------------------

namespace Gui {
/// @cond DOXERR
PROPERTY_SOURCE_TEMPLATE(FemGui::ViewProviderSolverPython, FemGui::ViewProviderSolver)
/// @endcond

// explicit template instantiation
template class FemGuiExport ViewProviderPythonFeatureT<ViewProviderSolver>;
}