/*
 * (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.
 */

#ifndef ObsTable_H
#define ObsTable_H

#include "magics.h"
#include "ObsItem.h"
#include "PaperPoint.h"
#include "BasicSceneObject.h"
#include "ObsTableAttributes.h"
#include "ObsPlotting.h"

namespace magics {


class ObsTemplate: public vector<ObsItem*>
{
public:
	ObsTemplate(const map<string, string>& def) {
		    map<string, string>::const_iterator val = def.find("columns");
		    columns_ = (val != def.end()) ? atoi(val->second.c_str()) : 3; 
		    val= def.find("rows");
		    rows_ = (val != def.end()) ? atoi(val->second.c_str()) : 3;
		     
	}
	virtual ~ObsTemplate() {}
	void visit(std::set<string>& tokens) const
	{
		for ( const_iterator item = begin(); item != end(); ++item) 
			    (*item)->visit(tokens);
	}
	void set(const ObsPlotting* obs) const {
		apart_ = obs->apart_;
		height_ = obs->size_;
		for ( const_iterator item = begin(); item != end(); ++item)
					    (*item)->set(obs);
	}

	void operator()(CustomisedPoint&, BasicGraphicsObjectContainer&) const;

protected:
	virtual void print(ostream& out) const 
	{ 
		out << "ObsTemplate:[\n";
		for ( const_iterator item = begin(); item != end(); ++item) 
			out << "\t" << *(*item) << "\n";
		out << "\n";
	}
	double           columns_;
	double           rows_;
	mutable vector<PaperPoint> working_;
	mutable double           apart_;
	mutable double           height_;
	mutable string          box_;
	
	friend ostream& operator<<(ostream& s,const ObsTemplate& p)
		{ p.print(s); return s; }
};

class ObsTable : public map<string, ObsTemplate*>, public ObsTableAttributes
{
public:
	ObsTable();
	virtual ~ObsTable();

	void add(const string&, const map<string, string>&);

	static void print()
	{
		if ( !table_ )  table_ = new ObsTable();
	}
	
	static void release() 
	{
		if ( !table_ )  
			delete table_;
	}
		

	static const ObsTemplate& getTemplate(const string type)
	{
		if ( !table_ )  table_ = new ObsTable();
		return table_->get(type);
	}

protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	virtual void print(ostream&) const;
	ObsTemplate* current_; 
	double rows_;
	double columns_;

	const ObsTemplate& get(const string&); 

	static ObsTable* table_;

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

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

};

} // namespace magics
#endif
