/******************************** 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 SpotDecoder.h
    \brief Implementation of the Template class SpotDecoder.
    
    Magics Team - ECMWF 2005
    
    Started: Mon 19-Sep-2005
    
    Changes:
    
*/
 
#include "LegendVisitor.h"
#include "Polyline.h"

class EfiEntry : public LegendEntry
{
public:
	EfiEntry(int efi) : LegendEntry(""), efi_(efi)
	{
		if ( efi_ > -200 ) label_ = tostring(efi_) + "%"; 
	}

	void set(const PaperPoint& point, BasicGraphicsObjectContainer& task)
	{
		MagLog::dev() << "LEGEND_STYLE --->" << style_ << endl; 
		MagLog::dev() << "LEGEND_TYPE --->" << type_ << endl;
		MagLog::dev() << "LEGEND_COLOUR --->" << colour_ << endl;
		double x = point.x()-0.7;
		double y = point.y();

		double factor = 1.5;
		double half = factor/2;
		double width = efi_* factor/100.;
		double height = 0.5; 
		double top = y-height;
		double bottom = y+height;

		if ( magCompare(style_, "title") )
		{
			Text* efi = new Text();
			efi->addText("EFI", textColour_, textHeight_);
			efi->push_back(PaperPoint(x, y));	
			task.push_back(efi);
			Text* t1 = new Text();
			t1->addText("-100%", textColour_, textHeight_);
			t1->push_back(PaperPoint(x-factor, y));	
			task.push_back(t1);
			Text* t2 = new Text();
			t2->addText("-50%", textColour_, textHeight_);
			t2->push_back(PaperPoint(x-half, y));	
			task.push_back(t2);
			Text* t3 = new Text();
			t3->addText("50%", textColour_, textHeight_);
			t3->push_back(PaperPoint(x+half, y));	
			task.push_back(t3);
			Text* t4 = new Text();
			t4->addText("100%", textColour_, textHeight_);
			t4->push_back(PaperPoint(x+factor, y));	
			task.push_back(t4);

			return;              
		}

		Polyline* normal  = new Polyline();
		normal->setColour(normalColour_);
		normal->setThickness(normalThickness_);
		normal->push_back(PaperPoint(x, bottom));
		normal->push_back(PaperPoint(x, top));

		Polyline* lmax  = new Polyline();
		lmax->setColour(normalColour_);
		lmax->setThickness(1);
		lmax->push_back(PaperPoint(x+factor, bottom));
		lmax->push_back(PaperPoint(x+factor, top));			

		Polyline* lmin  = new Polyline();
		lmin->setColour(normalColour_);
		lmin->setThickness(1);
		lmin->push_back(PaperPoint(x-factor, bottom));
		lmin->push_back(PaperPoint(x-factor, top));

		Polyline* l1  = new Polyline();
		l1->setColour(normalColour_);
		l1->setThickness(1);
		l1->setLineStyle(M_DOT);
		l1->push_back(PaperPoint(x+half, bottom));
		l1->push_back(PaperPoint(x+half, top));			

		Polyline* l2  = new Polyline();
		l2->setColour(normalColour_);
		l2->setThickness(1); 
		l2->setLineStyle(M_DOT);
		l2->push_back(PaperPoint(x-half, bottom));
		l2->push_back(PaperPoint(x-half, top));

		Polyline* lt  = new Polyline();
		lt->setColour(normalColour_);
		lt->setThickness(1); 
		lt->setLineStyle(M_DOT);
		lt->push_back(PaperPoint(x-factor, top));
		lt->push_back(PaperPoint(x+factor, top));

		Polyline* lb  = new Polyline();
		lb->setColour(normalColour_);
		lb->setThickness(1); 
		lb->setLineStyle(M_DOT);
		lb->push_back(PaperPoint(x-factor, bottom));
		lb->push_back(PaperPoint(x+factor, bottom));

		task.push_back(lmin);
		task.push_back(lmax);
		task.push_back(l1);
		task.push_back(l2);
		task.push_back(lt);
		task.push_back(lb);
		if (efi_ > -200)
		{
		  if ( magCompare(type_, "both") || 
		     ( efi_ < 0  && magCompare(type_, "negative") ) || 
		     ( efi_ > 0  && magCompare(type_, "positive") ) )
		  {			
			Polyline* box  = new Polyline();
			box->setColour(normalColour_);
			box->setFilled(true);
			box->setFillColour(colour_);

			FillShadingProperties* shading = new FillShadingProperties();                      
			box->setShading(shading);


			box->push_back(PaperPoint(x, bottom));
			box->push_back(PaperPoint(x, top));
			box->push_back(PaperPoint(x+width, top));
			box->push_back(PaperPoint(x+width, bottom));
			box->push_back(PaperPoint(x, bottom));
			task.push_back(box);
		  }
		}
		task.push_back(normal);
            
		if ( magCompare(style_, "bottom") )
		{
			Polyline* line  = new Polyline();
			line->setColour(normalColour_);
			line->setThickness(1); 
			line->push_back(PaperPoint(x-factor, bottom));
			line->push_back(PaperPoint(x+factor, bottom));
			task.push_back(line);
		} 
		if ( magCompare(style_, "top") )
		{
			Polyline* line  = new Polyline();
			line->setColour(normalColour_);
			line->setThickness(1); 
			line->push_back(PaperPoint(x-factor, top));
			line->push_back(PaperPoint(x+factor, top));
			task.push_back(line);
		}
	}

        double textColumnPosition() { return 0.85; }
	void type(const string& type)  { type_ = type; }
        void style(const string& style)  { style_ = style; }
	void colour(const Colour& colour) { colour_ = colour; }
	void normalColour(const Colour& colour) { normalColour_ = colour; }
	void normalThickness(int thickness) { normalThickness_ = thickness; }
        void textColour(const Colour& colour) { textColour_ = colour; }
        void textHeight(double height) { textHeight_ = height; }

protected:
	int efi_;
	Colour colour_;
	Colour textColour_;
	double textHeight_;
	string type_;
	string style_;
	Colour normalColour_;
	int     normalThickness_;
};
