/***************************************************************************
*   (c) Jürgen Riegel (juergen.riegel@web.de) 2014                        *
*                                                                         *
*   This file is part of the FreeCAD CAx development system.              *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU Library General Public License (LGPL)   *
*   as published by the Free Software Foundation; either version 2 of     *
*   the License, or (at your option) any later version.                   *
*   for detail see the LICENCE text file.                                 *
*                                                                         *
*   FreeCAD 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 FreeCAD; if not, write to the Free Software        *
*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
*   USA                                                                   *
*                                                                         *
*   Juergen Riegel 2014                                                   *
***************************************************************************/

#include "PreCompiled.h"

#ifndef _PreComp_

#endif

#include "ActiveObjectList.h"
#include <Gui/Application.h>
#include <Gui/Document.h>
#include <Gui/ViewProviderDocumentObject.h>



using namespace Gui;


void Gui::ActiveObjectList::setObject(App::DocumentObject* obj, const char* name, const Gui::HighlightMode& mode)
{
    ParameterGrp::handle hGrp = App::GetApplication().GetParameterGroupByPath("User parameter:BaseApp/Preferences/TreeView");
    bool autoExpand = hGrp->GetBool("TreeActiveAutoExpand", true);

    if (hasObject(name)) {
        App::DocumentObject* act = getObject<App::DocumentObject*>(name);
        Gui::Document* doc = Application::Instance->getDocument(act->getDocument());
        Gui::ViewProviderDocumentObject* viewProvider = static_cast
                <Gui::ViewProviderDocumentObject*>(doc->getViewProvider(act));
        doc->signalHighlightObject(*viewProvider, mode, false);
        if (autoExpand)
            doc->signalExpandObject(*viewProvider, Gui::CollapseItem);
    }

    if (obj) {
        Gui::Document* doc = Application::Instance->getDocument(obj->getDocument());
        Gui::ViewProviderDocumentObject* viewProvider = static_cast
                <Gui::ViewProviderDocumentObject*>(doc->getViewProvider(obj));
        doc->signalHighlightObject(*viewProvider, mode, true);
        if (autoExpand)
            doc->signalExpandObject(*viewProvider, Gui::ExpandPath);
        _ObjectMap[name] = obj;
    }
    else {
        if (hasObject(name))
            _ObjectMap.erase(name);
    }
}

bool Gui::ActiveObjectList::hasObject(const char*name)const 
{
    return _ObjectMap.find(name) != _ObjectMap.end();
}

void ActiveObjectList::objectDeleted(const ViewProviderDocumentObject& viewProviderIn)
{
  App::DocumentObject* object = viewProviderIn.getObject();
  //maybe boost::bimap or boost::multi_index
  std::map<std::string, App::DocumentObject*>::iterator it;
  for (it = _ObjectMap.begin(); it != _ObjectMap.end(); ++it)
  {
    if (it->second == object)
    {
      _ObjectMap.erase(it);
      return;
    }
  }
}