/******************************** LICENSE ********************************

 Copyright 2007 European Centre for Medium-Range Weather Forecasts (ECMWF)

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at 

    http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

 ******************************** LICENSE ********************************/

/*! \file Histogram.h
    \brief Definition of the Template class Histogram.
    
    Magics Team - ECMWF 2004
    
    Started: Tue 18-May-2004
    
    Changes:
    
*/

#ifndef Histogram_H
#define Histogram_H

#include "magics.h"

#include "Visdef.h"
#include "HistogramAttributes.h"
#include "IntervalMap.h"
#include "HistoVisitor.h"

namespace magics {


template <class P>
class Histogram: 
	public Visdef<P>, 
	public HistogramAttributes, 
	public LevelSelectionInterface {

public:
	Histogram();
	virtual ~Histogram();
    
	    void operator()(Data<P>&, BasicGraphicsObjectContainer& ) { assert(false); }
	    void visit(LegendVisitor& legend);
	    // Implements the set method ... 
	    void set(const map<string, string>& map ) { HistogramAttributes::set(map); }
		void set(const XmlNode& node ) { HistogramAttributes::set(node); }
		
		void visit(const IntervalMap<Colour>&, Data<P>&, PointsHandler<P>& data, HistoVisitor& parent);
		
		void prepare(PointsHandler<P>& data);
		void bean(PointsHandler<P>& data);
		IntervalMap<int>& histogram(const IntervalMap<Colour>&, PointsHandler<P>&);


protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 
	    int getCount() const { return HistogramAttributes::getCount(); }
	        int getTolerance() const { return HistogramAttributes::getTolerance(); }
	        double getReference() const { return HistogramAttributes::getReference(); }
	        double getInterval() const { return HistogramAttributes::getInterval(); }
	        double getMin() const { return HistogramAttributes::getMin(); }
	        double getMax() const { return HistogramAttributes::getMax(); }
	        floatarray getList()  const { return HistogramAttributes::getList(); }
     
	  IntervalMap<int> counter_;
     

private:
    //! Copy constructor - No copy allowed
	Histogram(const Histogram&);
    //! Overloaded << operator to copy - No copy allowed
	Histogram& operator=(const Histogram&);

// -- Friends
    //! Overloaded << operator to call print().
	friend ostream& operator<<(ostream& s,const Histogram& p)
		{ p.print(s); return s; }

};

template<class P>
class MagTranslator<string, Histogram<P>  > { 
public:
	Histogram<P>* operator()(const string& val ) {
		 return SimpleObjectMaker<Histogram<P>  >::create(val);
	}
    
	Histogram<P>* magics(const string& param)
	{
		Histogram<P>* object;
		ParameterManager::update(param, object);
		return object;
	}
};
} // namespace magics
#include "Histogram.cc"
#endif
