/*!								-*- c++ -*-
 * \file mg_sel_gd.h
 * \brief A general interface to data items, currently only GiantDisc
 *
 * \version $Revision: 1.0 $
 * \date    $Date: 2004-12-07 10:10:35 +0200 (Tue, 07 Dec 2004) $
 * \author  Wolfgang Rohdewald
 * \author  Responsible author: $Author: wr $
 *
 */

#ifndef _MG_SEL_GD_H
#define _MG_SEL_GD_H

#include "mg_selection.h"

using namespace std;

class mgSelectionGd : public mgSelection
{
	public:
		mgSelectionGd(const mgSelection *s);
		mgSelectionGd(const bool fall_through = false);
		void MakeCollection();
		vector <const char*> Choices(unsigned int level, unsigned int *current) const;
		bool NeedKey(unsigned int i) const;
		mgParts SelParts(bool distinct, bool deepsort) const;
		bool inCollection(const string Name="") const;
		bool isLanguagelist() const;
		bool isCollectionlist() const;
		bool InitDefaultOrder(unsigned int i=0);
		bool keyIsUnique(mgKeyTypes kt) const { return kt==keyGdUnique;}

	protected:
		bool DeduceKeyValue(mgKeyTypes new_kt,const mgSelection *s,
			vector<mgListItem>& items);
		void InitSelection ();
		const char * const ktName(const mgKeyTypes kt) const;
		mgKeyTypes ktLow() const;
		mgKeyTypes ktHigh() const;
		bool isCollectionOrder() const;

	private:
		void clean();
};
#endif