// 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_GROUP_TAB_H
#define NL_GROUP_TAB_H

#include "nel/misc/types_nl.h"
#include "nel/gui/interface_group.h"
#include "ctrl_text_button.h"


// ***************************************************************************
class CCtrlTabButton;


// ***************************************************************************
/**
 * Group handling Ctrl Tab, to easily simulate Tab ctrl.
 *	NB: controlled groups doesn't have to be child of the GroupTab, they are searched in order:
 *		- in this group
 *		- in the parent group
 *		- in global
 * \author Lionel Berenguier
 * \author Nevrax France
 * \date 2003
 */
class CGroupTab : public CInterfaceGroup
{
public:

	/// Constructor
	CGroupTab(const TCtorParam &param);

	virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);
	virtual void updateCoords ();

	// select the ctrl tab. -1 will invalidate all.
	void	select(sint index);
	sint	getSelection() const;

	// select with a CCtrlTabButton ptr
	void	selectFromCtrl(CCtrlTabButton *button);

	// select a default activated tab, if the current is a special ctrlTab
	void	selectDefault(CCtrlTabButton *ifSelectionIs);

	// select a default activated tab, if the current is hid
	void	selectDefaultIfCurrentHid();

	// add new tab
	void	addTab(CCtrlTabButton *tabB);
	void	addTab(CCtrlTabButton *tabB, sint index);
	int		luaAddTab(CLuaState &ls);
	int		luaAddTabWithOrder(CLuaState &ls);

	// remove selected tab
	void	removeTab(sint index);
	int		luaRemoveTab(CLuaState &ls);

	// remove all tabs
	void	removeAll();
	int		luaRemoveAll(CLuaState &ls);

	// tab number
	void			setTabButtonNb(sint32 /* val */){}
	sint32			getTabButtonNb() const {return (sint32)_Buttons.size();}

	// selection index
	void			setIndexSelection(sint32 val){select((sint)val);}
	sint32			getIndexSelection() const {return (sint32)_NextSelection;}

	// selection index
	void			setAssociatedGroupSelection(const std::string & /* assG */){}
	std::string		getAssociatedGroupSelection() const;

	// get group from index
	CInterfaceGroup*	getGroup(sint index);
	int					luaGetGroup(CLuaState &ls);

	// get tab from index
	CCtrlTabButton*	getTabButton(sint index);
	int					luaGetTabButton(CLuaState &ls);

	// first showed tab button
	sint32			getFirstTabButton() const {return (sint32)_FirstTabIndex;}

	// last showed tab button
	sint32			getLastTabButton() const {return (sint32)_LastTabIndex;}

	// update showed tab buttons on function of GroupTab width
	void				updateFirstTabButton();
	int					luaShowTabButton(CLuaState &ls);

	void dummySet(sint32 /* value */){}

	REFLECT_EXPORT_START(CGroupTab, CInterfaceGroup)
		REFLECT_LUA_METHOD("addTab", luaAddTab)
		REFLECT_LUA_METHOD("addTabWithOrder", luaAddTabWithOrder)
		REFLECT_LUA_METHOD("removeTab", luaRemoveTab)
		REFLECT_LUA_METHOD("removeAll", luaRemoveAll)
		REFLECT_LUA_METHOD("getGroup", luaGetGroup)
		REFLECT_LUA_METHOD("getTabButton", luaGetTabButton)
		REFLECT_LUA_METHOD("showTabButton", luaShowTabButton)
		REFLECT_SINT32 ("tabButtonNb", getTabButtonNb, setTabButtonNb)
		REFLECT_SINT32 ("selection", getIndexSelection, setIndexSelection)
		REFLECT_SINT32 ("firstTabButton", getFirstTabButton, dummySet)
		REFLECT_SINT32 ("lastTabButton", getLastTabButton, dummySet)
		REFLECT_STRING ("associatedGroupSelection", getAssociatedGroupSelection, setAssociatedGroupSelection)
	REFLECT_EXPORT_END

private:

	std::vector<CCtrlTabButton*>	_Buttons;	// can't be NULL.
	std::vector<CInterfaceGroup*>	_Groups;	// may be NULL
	sint							_Selection;
	sint							_NextSelection;
	sint							_BaseRenderLayer;
	bool							_Setuped;
	bool							_HideOutTabs;
	sint							_FirstTabIndex;
	sint							_LastTabIndex;

	std::string						_AHOnChange;
	std::string						_ParamsOnChange;

	void		setup();
};

// ***************************************************************************
/**
 *	Used with CGroupTab
 */
class CCtrlTabButton : public CCtrlTextButton
{
public:

	CCtrlTabButton(const TCtorParam &param);

	virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);

	virtual void setActive(bool state);

	virtual bool handleEvent (const NLGUI::CEventDescriptor &event);

	void setBlink (bool b);

	std::string		_AssociatedGroup;
	IActionHandler *_AHOnLeftClick2;

private:

	sint32			_DefaultX;
	bool			_Blinking;
	NLMISC::CRGBA	_TextColorNormalBlink;
	bool			_TextModulateGlobalColorNormalBlink;
	sint64			_BlinkDate;
	bool			_BlinkState;
};

#endif // NL_GROUP_TAB_H

/* End of group_tab.h */