// 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/>.




#ifndef NL_VIEW_BITMAP_COMBO_H
#define NL_VIEW_BITMAP_COMBO_H

#include "../cdb.h"
#include "view_base.h"
#include "nel/3d/u_texture.h"
#include <string>
#include <vector>


/** Description of a combo box, this can be parsed from an xml node
  * The bitmap layout is as follow :
  *
  *                I   W    I   W   I   W
  *                t   G    t   G   t   G
  *                e   a    e   a   e   a
  *                m   p    m   p   m   p
  *                W   S    W       W
  *                i   e    i       i
  *                d   l    d       d
  *                t   e    t       t
  *                h   c    h       h
  *                    t
  *                    e
  *                    d
  *             +----+---+----+---+---+---+---+--...
  *             |ssss|   |****|   |***|   |***|
  * ItemHeight  |ssss|   |****|   |***|   |***
  *             +----+---+----+---+---+---+---+--...
  *             |    |   |    |   |   |   |   |
  * HGapSeleted |    |   |    |   |   |   |   |
  *             +----+---+----+---+---+---+---+--...
  *             |****|   |****|   |***|   |***|
  * ItemHeight  |****|   |****|   |***|   |***|
  *             +----+---+----+---+---+---+---+--...
  *             |    |   |    |   |   |   |   |
  * HGap        |    |   |    |   |   |   |   |
  *             +----+---+----+---+---+---+---+--...
  *             |****|   |****|   |***|   |***|
  * ItemHeight  |****|   |****|   |***|   |***|
  *             .    .   .    .   .   .   .   .
  *             .    .   .    .   .   .   .   .
  * s : selected item.   .    .   .   .   .   .
  * * : where bitmap are displayed
  */


struct CComboBoxDesc
{
	bool	parse(xmlNodePtr cur, CInterfaceElement *owner);
	void	addObserver(ICDBNode::IPropertyObserver *obs);
	void	getGridSize(uint &numRow,uint &numCol) const;
	void    getDimensions(uint &width, uint &height) const;
	CInterfaceProperty      NumRow;
	CInterfaceProperty      NumCol;
	CInterfaceProperty      CurrSelected;
	CInterfaceProperty		ItemWidth;
	CInterfaceProperty		ItemHeight;
	CInterfaceProperty		Unrolled;
	CInterfaceProperty      WGapSelected;
	CInterfaceProperty      WGap;
	CInterfaceProperty      HGapSelected;
	CInterfaceProperty      HGap;
	CInterfaceProperty      NumSel;
	CInterfaceProperty      Align;

};




/**
 * A combo box with several bitmaps in it
 * \author Nicolas Vizerie
 * \author Nevrax France
 * \date 2002
 */
class CViewBitmapCombo : public CViewBase, public ICDBNode::IPropertyObserver
{
public:
	typedef std::vector<sint32> TIdArray;
	typedef std::vector<std::string> TStringArray;
	typedef std::vector<NLMISC::CRGBA>		 TColorArray;
public:
	/// ctor
	CViewBitmapCombo(const TCtorParam &param);
	/**
	 * parse an xml node and initialize the base view members. Must call CViewBase::parse
	 * \param cur : pointer to the xml node to be parsed
	 * \param parentGroup : the parent group of the view
	 * \partam id : a refence to the string that will receive the view ID
	 * \return true if success
	 */
	bool parse(xmlNodePtr cur,CInterfaceGroup * parentGroup);
	virtual uint32 getMemory() { return sizeof(*this)+_Id.size(); }
	/**
	 * draw the view
	 */
	void draw();

	// access to texture & colors
	const TStringArray &getTexs() const { return _Texs; }
	const TStringArray &getTexsOver() const { return _TexsOver; }
	const TStringArray &getTexsPushed() const { return _TexsPushed; }
	//
	const TColorArray &getColors() const { return _Col; }
	const TColorArray &getColorsOver() const { return _ColOver; }
	const TColorArray &getColorsPushed() const { return _ColPushed; }
	//
	void  setTexs(const char * const tex[], uint numTex);
	void  setTexsOver(const char * const tex[], uint numTex);
	void  setTexsPushed(const char * const tex[], uint numTex);
	//
	void  setColors(const NLMISC::CRGBA colors[], uint numColors);
	void  setColorsOver(const NLMISC::CRGBA colors[], uint numColors);
	void  setColorsPushed(const NLMISC::CRGBA colors[], uint numColors);







///////////////////////////////////////////////////////////////////////////////////
private:
	//
	TStringArray				_Texs;
	TStringArray				_TexsOver;
	TStringArray				_TexsPushed;
	TIdArray					_TexsId;
	TIdArray					_TexsOverId;
	TIdArray					_TexsPushedId;
	TColorArray				    _Col;
	TColorArray				    _ColOver;
	TColorArray				    _ColPushed;
	CComboBoxDesc				_CD;
	CInterfaceElement *_Owner;
private:
	void	parseTexList(const std::string &names, TStringArray &dest);
	void	parseColList(const std::string &names, TColorArray &dest);
	void	setupSize();
	void	getDimensions(uint &numRow, uint &numCol);
	// From ICDBNode::IPropertyObserver
	void update(ICDBNode *leaf);
	// Return a color from the array, or white if it is empty
	static NLMISC::CRGBA getCol(const TColorArray &array, uint index);
	static const std::string   *getTex(const TStringArray &array, uint index);
	static sint32 getTexId(const TIdArray &array, uint index);
};

#endif