/*
 * (C) Copyright 1996-2016 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \file LevelSelection.h
    \brief Definition of the Template class LevelSelection.
    
    Magics Team - ECMWF 2004
    
    Started: Tue 9-Mar-2004
    
    Changes:
    
*/

#ifndef LevelSelection_H
#define LevelSelection_H

#include "magics.h"
#include "MagTranslator.h"
#include "Factory.h"
#include "LevelSelectionAttributes.h"
#include "Data.h"

namespace magics {

class UserPoint;
class PointsHandler;

class LevelSelectionInterface 
{
public:
    virtual int getCount() const = 0; 
    virtual int getTolerance() const = 0;
    virtual double getReference() const = 0;
    virtual double getInterval() const = 0;
    virtual doublearray getList() const = 0;
    virtual double getMin() const = 0;
    virtual double getMax() const = 0;
};

class LevelSelection: public LevelSelectionAttributes, public doublearray
{
public:
	LevelSelection();
	virtual ~LevelSelection();
	
	virtual LevelSelection* clone() const {

    	return 0;
    } 
    virtual void set(const XmlNode& node)          { LevelSelectionAttributes::set(node); }
    virtual void set(const map<string,string>& map) { LevelSelectionAttributes::set(map); }
    virtual void set(const LevelSelectionInterface&) {}
    
	virtual void calculate(double, double, bool) {};
	virtual double reference(int) const;
	virtual void thinLevels(int frequency, vector<double>&) const;
protected:
	//! Method to print string about this class on to a stream of type ostream (virtual).
	virtual void print(ostream&) const; 

private:
	//! Copy constructor - No copy allowed
	LevelSelection(const LevelSelection&);
	//! Overloaded << operator to copy - No copy allowed
	LevelSelection& operator=(const LevelSelection&);
    
// -- Friends
	//! Overloaded << operator to call print().
	friend ostream& operator<<(ostream& s,const LevelSelection& p)
		{ p.print(s); return s; }
};

template<>
class MagTranslator<string, LevelSelection> { 
public:
	LevelSelection* operator()(const string& val )
	{
		 return SimpleObjectMaker<LevelSelection>::create(val);
	}     
	LevelSelection* magics(const string& param)
	{
		LevelSelection* object=0;
		ParameterManager::update(param, object);
		return object;
	}

};
} // namespace magics
#endif
