/******************************** 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 DateAxisMethod.h
    \brief Definition of the Template class DateAxisMethod.
    
    Magics Team - ECMWF 2005
    
    Started: Fri 7-Oct-2005
    
    Changes:
    
*/

#ifndef DateAxisMethod_H
#define DateAxisMethod_H

#include "magics.h"

#include "AxisMethod.h"
#include "DateAxisMethodAttributes.h"

namespace magics {

class DateAxisMethod: public AxisMethod, public DateAxisMethodAttributes {

public:
	DateAxisMethod();
	virtual ~DateAxisMethod();
	
	virtual void set(const map<string, string>& map) {
		AxisMethod::set(map);
		DateAxisMethodAttributes::set(map);
	}
	virtual void set(const XmlNode& node) {
		AxisMethod::set(node);
		DateAxisMethodAttributes::set(node);
	}
	virtual double getMin() const;
    virtual double getMax() const;
    
     
    void prepare(const Axis&, AxisItems&);
   
    void updateX(const Transformation&);
    void updateY(const Transformation&);


protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 
	 void update() const;
	 mutable DateTime from_;
	 mutable DateTime to_;
	 mutable DateTime base_;
	double interval_;

	typedef void (DateAxisMethod::*DateHelper)(AxisItems&);

	map<string,  DateHelper> dateCreators_;
	 
	void automatic(AxisItems&);
	void years(AxisItems&);
	void months(AxisItems&);
	void days(AxisItems&);
	void hours(AxisItems&);

	void years_label(AxisItems&, AxisItems&);
	void months_label(AxisItems&, AxisItems&);
	void days_label(AxisItems&, AxisItems&);
	void hours_label(AxisItems&, AxisItems&);


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

};

class HyperAxis: public AxisMethod {

public:
	HyperAxis();
	virtual ~HyperAxis();
	
	void set(const map<string, string>& map) {  }
	void set(const XmlNode& node)                  { }
	
    void prepare(double, double, AxisItems&) const;
    void updateX(const Transformation&);
    void updateY(const Transformation&);

protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 
	 void update() const;
	
	 
private:
    //! Copy constructor - No copy allowed
	HyperAxis(const DateAxisMethod&);
    //! Overloaded << operator to copy - No copy allowed
	HyperAxis& operator=(const DateAxisMethod&);



};

} // namespace magics
#endif
