/*
 * (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 Visdef.h
    \brief Definition of the Template class Visdef.
    
    Magics Team - ECMWF 2007
    
    Started: Fri 16-Mar-2007
    
    Changes:
    
*/

#ifndef Visdef_H
#define Visdef_H

#include "magics.h"
#include "BasicSceneObject.h"
#include "Data.h"
#include "LegendVisitor.h"

namespace magics {

class MetaDataVisitor;
class Transformation;
class HistoVisitor;
class Colour;
template <class T > class IntervalMap;


class Visdef : public MetviewIcon  {

public:
	Visdef() {}
	virtual ~Visdef() {}
	

	virtual void operator()(Data&, BasicGraphicsObjectContainer&) = 0;
	virtual void visit(LegendVisitor&) {}
	virtual void visit(Data&, LegendVisitor& legend) { this->visit(legend);}
	virtual void visit(Data&, HistoVisitor&)
	{ 
		MagLog::dev() << "Here could build a basic histogram!" << endl; 
	}
    virtual void visit(MetaDataVisitor&) {}
    virtual void visit(TopAxisVisitor&) {}
    virtual void visit(Transformation&, Data&) {}
    virtual void visit(Layer& layer) { MetviewIcon::visit(layer); }
    virtual void beanInfo(IntervalMap<Colour>&) { NOTIMP; }
    virtual bool needLegend() { return false; }
    virtual void  getReady(const LegendVisitor& legend) { legendOnly_ = legend.only_; }
    void theme(const string& theme) { theme_ = theme; }
protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream& out) const { 
	 	out << "visdef"; 
	 }
	 
	 bool legendOnly_;
	 string theme_;

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

};

} // namespace magics

#endif
