// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
// Copyright (C) 2010  Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.


#include "nel/gui/dbview_digit.h"
#include "nel/misc/xml_auto_ptr.h"
#include "nel/gui/view_renderer.h"

using namespace std;
using namespace NL3D;
using namespace NLMISC;

NLMISC_REGISTER_OBJECT(CViewBase, CDBViewDigit, std::string, "digit");

namespace NLGUI
{

	// ***************************************************************************
	CDBViewDigit::CDBViewDigit(const TCtorParam &param)
	: CViewBase(param)
	{
		_NumDigit= 2;
		_WSpace= -1;
		_DivBase= 1;
	}


	std::string CDBViewDigit::getProperty( const std::string &name ) const
	{
		if( name == "value" )
		{
			if( _Number.getNodePtr() != NULL )
				return _Number.getNodePtr()->getFullName();
			else
				return "";
		}
		else
		if( name == "numdigit" )
		{
			return toString( _NumDigit );
		}
		else
		if( name == "wspace" )
		{
			return toString( _WSpace );
		}
		else
		if( name == "color" )
		{
			return toString( _Color );
		}
		else
			return CViewBase::getProperty( name );
	}


	void CDBViewDigit::setProperty( const std::string &name, const std::string &value )
	{
		if( name == "value" )
		{
			_Number.link( value.c_str() );
			return;
		}
		else
		if( name == "numdigit" )
		{
			sint32 i;
			if( fromString( value, i ) )
				_NumDigit = i;
			return;
		}
		else
		if( name == "wspace" )
		{
			sint32 i;
			if( fromString( value, i ) )
				_WSpace = i;
			return;
		}
		else
		if( name == "color" )
		{
			CRGBA c;
			if( fromString( value, c ) )
				_Color = c;
			return;
		}
		else
			CViewBase::setProperty( name, value );
	}


	// ***************************************************************************
	bool CDBViewDigit::parse (xmlNodePtr cur, CInterfaceGroup * parentGroup)
	{
		if(!CViewBase::parse(cur, parentGroup))
			return false;

		CViewRenderer &rVR = *CViewRenderer::getInstance();

		// link to the db
		CXMLAutoPtr ptr;
		ptr = xmlGetProp (cur, (xmlChar*)"value");
		if ( ptr )
			_Number.link ( ptr );
		else
		{
			nlinfo ("no value in %s", _Id.c_str());
			return false;
		}

		// read options
		ptr = xmlGetProp (cur, (xmlChar*)"numdigit");
		if(ptr)	fromString((const char*)ptr, _NumDigit);
		clamp(_NumDigit, 1, 10);

		ptr = xmlGetProp (cur, (xmlChar*)"wspace");
		if(ptr)	fromString((const char*)ptr, _WSpace);

		ptr= (char*) xmlGetProp( cur, (xmlChar*)"color" );
		_Color = CRGBA(255,255,255,255);
		if (ptr)
			_Color = convertColor (ptr);

		// compute window size. Remove one space.
		sint32	wDigit= rVR.getFigurTextureW();
		sint32	hDigit= rVR.getFigurTextureH();
		setW((wDigit+_WSpace)*_NumDigit - _WSpace);
		setH(hDigit);

		// some init
		// For _NumDigit=2; set the divBase to 100, etc...
		_DivBase= 1;
		for(uint i= 0;i<(uint)_NumDigit;i++)
		{
			_DivBase*= 10;
		}

		// init cache.
		_Cache= -1;

		return true;
	}


	// ***************************************************************************
	void CDBViewDigit::updateCoords()
	{
		CViewBase::updateCoords();
	}


	// ***************************************************************************
	void CDBViewDigit::draw ()
	{
		CViewRenderer &rVR = *CViewRenderer::getInstance();
		sint32	wDigit= rVR.getFigurTextureW();
		sint32	hDigit= rVR.getFigurTextureH();

		// change bitmap ids
		sint32	val= _Number.getSInt32();
		val= max(val, sint32(0));
		if(_Cache!=val)
		{
			_Cache= val;
			// clamp the value to max possible (eg:99)
			if(val>(sint32)_DivBase-1)
				val=(sint32)_DivBase-1;
			// compute each digit id
			uint	divisor= _DivBase/10;
			for(sint i=0;i<_NumDigit;i++)
			{
				sint digitVal= (val/divisor)%10;
				// set the digit text id
				_DigitId[i]= rVR.getFigurTextureId(digitVal);
				// next divisor
				divisor/= 10;
			}
		}

		// Display bitmaps
		sint32	x= _XReal;
		sint32	y= _YReal;
		for(sint i=0;i<_NumDigit;i++)
		{
			rVR.drawRotFlipBitmap (	_RenderLayer, x, y, wDigit, hDigit, 0, false, _DigitId[i], _Color );
			// next digit
			x+= wDigit+_WSpace;
		}

	}

}