/***************************************************************************
 *   Copyright (c) 2013 Jan Rheinländer                                    *
 *                                   <jrheinlaender@users.sourceforge.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 <Inventor/nodes/SoCoordinate3.h>
# include <Inventor/nodes/SoSeparator.h>
# include <Inventor/nodes/SoMarkerSet.h>
# include <Inventor/nodes/SoVertexProperty.h>
#endif

#include <App/Application.h>
#include <Gui/Inventor/MarkerBitmaps.h>
#include <Gui/ViewProviderBuilder.h>
#include <Gui/SoFCSelection.h>
#include <Mod/PartDesign/App/DatumPoint.h>

#include "ViewProviderDatumPoint.h"

using namespace PartDesignGui;

PROPERTY_SOURCE(PartDesignGui::ViewProviderDatumPoint,PartDesignGui::ViewProviderDatum)

ViewProviderDatumPoint::ViewProviderDatumPoint()
{
    sPixmap = "PartDesign_Point.svg";

    // SoMarkerSet won't be drawn if transparency is nonzero, so disabble it
    Transparency.setValue (0);
    Transparency.setStatus(App::Property::Hidden, true); //< make transparency hidden
}

ViewProviderDatumPoint::~ViewProviderDatumPoint() = default;

void ViewProviderDatumPoint::attach ( App::DocumentObject *obj ) {
    ViewProviderDatum::attach ( obj );

    const int markerSize = App::GetApplication().GetParameterGroupByPath(
            "User parameter:BaseApp/Preferences/View")->GetInt("MarkerSize", 9);
    // Using a marker gives a larger point.
    auto *marker = new SoMarkerSet();
    marker->numPoints = 1;
    marker->markerIndex = Gui::Inventor::MarkerBitmaps::getMarkerIndex("DIAMOND_FILLED",
            markerSize);

    auto *pcHighlight = Gui::ViewProviderBuilder::createSelection();
    pcHighlight->style = Gui::SoFCSelection::EMISSIVE_DIFFUSE;
    pcHighlight->addChild(new SoCoordinate3());
    pcHighlight->addChild(marker);

    getShapeRoot ()->addChild(pcHighlight);
}

void ViewProviderDatumPoint::onChanged (const App::Property* prop) {
    // Forbid to set trancparency
    if (prop == &Transparency && Transparency.getValue() != 0) {
        Transparency.setValue (0);
    }

    ViewProviderDatum::onChanged (prop);
}