/*
 * DestinationGLCanvas.cpp
 *
 * (c) 2013 Sofian Audry -- info(@)sofianaudry(.)com
 * (c) 2013 Alexandre Quessy -- alexandre(@)quessy(.)net
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#include "DestinationGLCanvas.h"
#include "MainWindow.h"

DestinationGLCanvas::DestinationGLCanvas(MainWindow* mainWindow, QWidget* parent, const QGLWidget * shareWidget)
: MapperGLCanvas(mainWindow, parent, shareWidget)
{
}

Shape* DestinationGLCanvas::getShapeFromMappingId(uid mappingId)
{
  if (mappingId == NULL_UID)
    return NULL;
  else
    return getMainWindow()->getMappingManager().getMappingById(mappingId)->getShape().get();
}

void DestinationGLCanvas::doDraw(QPainter* painter)
{
  glPushMatrix();

  // Draw the mappings.
  QVector<Mapping::ptr> mappings = getMainWindow()->getMappingManager().getVisibleMappings();
  for (QVector<Mapping::ptr>::const_iterator it = mappings.begin(); it != mappings.end(); ++it)
  {
    painter->save();
    getMainWindow()->getMapperByMappingId((*it)->getId())->draw(painter);
    painter->restore();
  }

  // Draw the controls of current mapping.
  if (displayControls() &&
      getMainWindow()->hasCurrentMapping() &&
      getCurrentShape() != NULL)
  {
    painter->save();
    getMainWindow()->getMapperByMappingId(getMainWindow()->getCurrentMappingId())->drawControls(painter);
    painter->restore();
  }

  glPopMatrix();
}