/******************************** 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 SceneNode.h
    \brief Definition of the Template class SceneNode.
    \author Meteorological Visualisation Section, ECMWF

    Started: Mar-2007

    Changes:

*/

#ifndef SceneNode_H
#define SceneNode_H

#include "magics.h"

#include "BasicSceneObject.h"

#include "FortranSceneNodeAttributes.h"
#include "XmlSceneNodeAttributes.h"

namespace magics {

class SceneNode: public BasicSceneNode {

public:
	SceneNode();
	virtual ~SceneNode();
	
	BasicSceneNode* clone() {  
		   
			return new SceneNode();
	}

	void getReady();
	void text(TextVisitor*);
	void legend(LegendVisitor*);
	void visit(BasicGraphicsObjectContainer& tree);

protected:
     //! Method to print string about this class on to a stream of type ostream (virtual).
	 virtual void print(ostream&) const; 	
	 vector<TextVisitor*> texts_;
	 LegendVisitor* legend_;
	
private:
	SceneNode(const SceneNode&);
    //! Overloaded << operator to copy - No copy allowed
	SceneNode& operator=(const SceneNode&);

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

class FortranSceneNode: public SceneNode, public FortranSceneNodeAttributes
{
public:
	FortranSceneNode();
	~FortranSceneNode(); 
	void getReady();
	void resize();
	void visit(BasicGraphicsObjectContainer& tree);
	BasicSceneNode* clone() {  
		FortranSceneNode* node = new FortranSceneNode(); 
		node->copy(*this);	
		return node;
	}
protected:
	void print(ostream&) const;
	SceneLayer* sceneLayer_;
};



class XmlSceneNode: public SceneNode, public XmlSceneNodeAttributes
{
public:
	XmlSceneNode();
	~XmlSceneNode();
	void set(const map<string, string>& map) { XmlSceneNodeAttributes::set(map); }
	void set(const XmlNode& node) { XmlSceneNodeAttributes::set(node); }
	void getReady();

protected:
	void print(ostream&) const;
};

} // namespace magics
#endif
