/*
 * Project: MoleCuilder
 * Description: creates and alters molecular systems
 * Copyright (C)  2017 Frederik Heber. All rights reserved.
 *
 *
 *   This file is part of MoleCuilder.
 *
 *    MoleCuilder 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.
 *
 *    MoleCuilder 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 MoleCuilder.  If not, see <http://www.gnu.org/licenses/>.
 */

/*
 * QtGeometryList.cpp
 *
 *  Created on: Mar 25, 2017
 *      Author: heber
 */

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "Views/Qt4/QtGeometryList.hpp"

#include <iostream>

//#include "CodePatterns/MemDebug.hpp"

#include "CodePatterns/Observer/Notification.hpp"
#include "CodePatterns/toString.hpp"

#include "Geometry/GeometryRegistry.hpp"

#include <QAbstractItemView>

using namespace std;

const int QtGeometryList::COLUMNCOUNT = COLUMNTYPES_MAX;
const char *QtGeometryList::COLUMNNAMES[QtGeometryList::COLUMNCOUNT]={"Name","Vector"};

QtGeometryList::QtGeometryList(QWidget * _parent) :
    QTreeWidget (_parent),
    Observer("QtGeometryList")
{
  setColumnCount(COLUMNCOUNT);
  setSelectionMode(QAbstractItemView::NoSelection);

  QStringList header;
	for(int i=0; i<COLUMNCOUNT;++i)
	  header << COLUMNNAMES[i];
	setHeaderLabels(header);

	refill(NULL);

	GeometryRegistry::getInstance().signOn(this);
	GeometryRegistry::getInstance().signOn(this, GeometryRegistry::GeometryInserted);
	GeometryRegistry::getInstance().signOn(this, GeometryRegistry::GeometryRemoved);
}

QtGeometryList::~QtGeometryList()
{
  GeometryRegistry::getInstance().signOff(this);
  GeometryRegistry::getInstance().signOff(this, GeometryRegistry::GeometryInserted);
  GeometryRegistry::getInstance().signOff(this, GeometryRegistry::GeometryRemoved);
}

void QtGeometryList::update(Observable *publisher) {}

void QtGeometryList::recieveNotification(Observable *publisher, Notification_ptr notification)
{
  if (static_cast<GeometryRegistry*>(publisher) == GeometryRegistry::getPointer()) {
    switch (notification->getChannelNo()) {
      case GeometryRegistry::GeometryInserted:
      {
        refill(NULL);
        break;
      }
      case GeometryRegistry::GeometryRemoved:
      {
        refill(GeometryRegistry::getInstance().lastChanged());
        break;
      }
      default:
        ASSERT(0, "QtGeometryList::recieveNotification() - we cannot get here.");
        break;
    }
  }
}

void QtGeometryList::refill(::GeometryObject *ignore)
{
  clear();

  GeometryRegistry &reg = GeometryRegistry::getInstance();

  GeometryRegistry::const_iterator iter;
  for (iter = reg.getBeginIter(); iter != reg.getEndIter(); iter ++){
    ::GeometryObject *v = iter->second;
    if (v == ignore)
      continue;

    QTreeWidgetItem *treeItem = new QTreeWidgetItem(this);
    treeItem->setText(NAME, QString(v->getName().c_str()));
    treeItem->setText(VECTOR, QString(toString(v->getVector()).c_str()));
  }
}

#if 0
void QtGeometryList::paintEvent(QPaintEvent * event)
{
  /*if (dirty)
    refill(NULL);*/
  QtGeometryList::paintEvent(event);
}
#endif

void QtGeometryList::subjectKilled(Observable *publisher) {
}