/*
 * (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 Graph.h
    \brief Definition of the Template class Graph.

    Magics Team - ECMWF 2004

    Started: Wed 5-May-2004

    Changes:

*/

#ifndef Graph_H
#define Graph_H

#include "magics.h"

#include "Factory.h"
#include "MagDateTime.h"
#include "MagTranslator.h"
#include "UserPoint.h"
#include "Visdef.h"

namespace magics {


struct DateToFloat {
    DateToFloat(const DateTime& reference) : reference_(reference) {}
    ~DateToFloat() {}
    double operator()(const string& date) {
        DateTime val(date);
        return double(val - reference_);
    }
    const DateTime& reference_;
};

class Graph {
public:
    Graph() {}
    virtual ~Graph() {}

    virtual void set(const XmlNode& node) {}
    virtual void set(const map<string, string>& map) {}
    virtual bool accept(const std::string&) { return true; }

    virtual Graph* clone() const { return new Graph(); }
    virtual void toxml(ostream&) const {}
    virtual void operator()(Data&, BasicGraphicsObjectContainer&) {}
    virtual void visit(LegendVisitor&) {}
    virtual void visit(TopAxisVisitor&) {}
    virtual void visit(Transformation&, Data&) {}
    void legend(bool legend, const string& text) {
        legend_      = legend;
        legend_text_ = text;
    }


protected:
    //! Method to print string about this class on to a stream of type ostream (virtual).
    virtual void print(ostream&) const {}
    string legend_text_;
    bool legend_;

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

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

template <>
class MagTranslator<string, Graph> {
public:
    Graph* operator()(const string& val) { return SimpleObjectMaker<Graph>::create(val); }

    Graph* magics(const string& param) {
        Graph* object;
        ParameterManager::update(param, object);
        return object;
    }
};

}  // namespace magics
#endif
