// 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 CL_GROUP_HEADER_H
#define CL_GROUP_HEADER_H


#include "group_list.h"


class CGroupHeaderEntry;

// *****************************************************************************************************************
/** Display a header with movable entries.
  * Usually used with a table to change the size of each column (much like the windows file explorer in 'details' mode)
  *
  * \author Nicolas Vizerie
  * \author Nevrax France
  * \date 2006
  */
class CGroupHeader : public CGroupList
{
public:
	REFLECT_EXPORT_START(CGroupHeader, CGroupList)
		REFLECT_LUA_METHOD("enlargeColumns", luaEnlargeColumns);
	REFLECT_LUA_METHOD("resizeColumnsAndContainer", luaResizeColumnsAndContainer);
	REFLECT_EXPORT_END
	CGroupHeader(const TCtorParam &param);
	// from CInterfaceGroup
	virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
	sint32	getHeaderMaxSize() const { return _HeaderMaxSize; }
	// get the entries in this header
	void getEntries(std::vector<CGroupHeaderEntry *> &dest);
	// ensure that max. content of columns is visible (without the total width becoming more than 'getHeaderMaxSize()'
	void enlargeColumns(sint32 margin);
	// ensure that content of each column is visible
	void resizeColumnsAndContainer(sint32 margin);
private:
	sint32	_HeaderMaxSize;
	int luaEnlargeColumns(CLuaState &ls);
	int luaResizeColumnsAndContainer(CLuaState &ls);
};

// *****************************************************************************************************************
// an entry in a header, includes a "mover control" to move it inside its parent header
// NOTE : when not used inside a CGroupHeader, will work, but there will be no 'max_size'
class CGroupHeaderEntry : public CInterfaceGroup
{
public:
	CGroupHeaderEntry(const TCtorParam &param);
	// from CInterfaceGroup
	virtual bool parse(xmlNodePtr cur, CInterfaceGroup * parentGroup);
	sint32 getMinSize() const { return _MinSize; }
	virtual void updateCoords();
	CInterfaceGroup *getTargetColumn() const;

	const	std::string &getAHOnResize() const { return _AHOnResize; }
	const	std::string &getAHOnResizeParams() const { return _AHOnResizeParams; }

private:
	sint32 _MinSize;
	std::string						 _TargetColumnId;

	std::string		_AHOnResize;
	std::string		_AHOnResizeParams;
};




#endif