/***************************************************************************
*   (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                                                   *
***************************************************************************/


#ifndef GUI_ActiveObjectList_H
#define GUI_ActiveObjectList_H

#include <map>
#include "Tree.h"
namespace App {
	class DocumentObject;
}

namespace Gui
{

	class Document;
        class ViewProviderDocumentObject;

	/** List of active or special objects
	* This class holds a list of objects with a special name.
	* Its mainly used to points to something like the active Body or Part in a edit session.
	* The class is used the viewer (editor) of a document.
	* @see Gui::MDIViewer
	* @author Jürgen Riegel
	*/
	class GuiExport ActiveObjectList 
	{

	public:
		template<typename _T>
		inline _T getObject(const char* name) const
		{
			std::map<std::string, App::DocumentObject*>::const_iterator pos = _ObjectMap.find(name);
			return  pos == _ObjectMap.end() ? 0 : dynamic_cast<_T>(pos->second);
		}
		void setObject(App::DocumentObject*, const char*, const Gui::HighlightMode& m = Gui::LightBlue);
		bool hasObject(const char*)const;
                void objectDeleted(const ViewProviderDocumentObject& viewProviderIn);
	protected:
		std::map<std::string, App::DocumentObject*> _ObjectMap;


	};



} //namespace Gui

static const char PDBODYKEY[] = "pdbody";
static const char PARTKEY[] = "part";

#endif