// 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_CTRL_BASE_BUTTON_H
#define NL_CTRL_BASE_BUTTON_H

#include "ctrl_base.h"
#include "action_handler.h"


// ***************************************************************************
/**
 * Base Class For Buttons.
 * \author Lionel Berenguier
 * \author Nevrax France
 * \date 2003
 */
class CCtrlBaseButton : public CCtrlBase
{

public:
	enum EType { PushButton = 0, ToggleButton, RadioButton, ButtonTypeCount };

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

	virtual bool parse (xmlNodePtr cur,CInterfaceGroup * parentGroup);
	virtual bool handleEvent (const CEventDescriptor& event);

	/// \name Misc
	// @{
	void	setType (EType t) { _Type = t; }
	EType	getType() { return _Type; }

	void	setClickWhenPushed(bool click) { _ClickWhenPushed = click; }
	bool	getClickWhenPushed() const { return _ClickWhenPushed; }

	void	setPushed (bool state);
	bool	getPushed () const { return _Pushed; }

	void	setFrozen (bool state);
	bool	getFrozen () const { return _Frozen; }

	// Set half tone mode for the display of frozen buttons. Default is true.
	void	setFrozenHalfTone(bool enabled);
	bool	getFrozenHalfTone() const { return _FrozenHalfTone; }

	// if the radio is a radio button, then all radio button are unselected
	void	unselect();
	// @}


	/// \name Colors
	// @{
	void setColor(NLMISC::CRGBA col) { _ColorNormal = col; }
	void setColorPushed(NLMISC::CRGBA col) { _ColorPushed = col; }
	void setColorOver(NLMISC::CRGBA col) { _ColorOver = col; }

	NLMISC::CRGBA getColor() const { return _ColorNormal; }
	NLMISC::CRGBA getColorPushed() const { return _ColorPushed; }
	NLMISC::CRGBA getColorOver() const { return _ColorOver; }

	// Override because mustupdate 3 states
	void setModulateGlobalColorAll(bool state);
	void setModulateGlobalColorNormal(bool state) {_ModulateGlobalColorNormal= state;}
	void setModulateGlobalColorPushed(bool state) {_ModulateGlobalColorPushed= state;}
	void setModulateGlobalColorOver(bool state) {_ModulateGlobalColorOver= state;}

	virtual sint32 getAlpha() const { return _ColorNormal.A; }
	virtual void setAlpha (sint32 a) { _ColorOver.A = _ColorNormal.A = _ColorPushed.A = (uint8)a; }

	std::string getColorAsString() const
	{	return	NLMISC::toString(_ColorNormal.R) + " " + NLMISC::toString(_ColorNormal.G) + " " +
				NLMISC::toString(_ColorNormal.B) + " " + NLMISC::toString(_ColorNormal.A); }
	std::string getColorOverAsString() const
	{	return	NLMISC::toString(_ColorOver.R) + " " + NLMISC::toString(_ColorOver.G) + " " +
				NLMISC::toString(_ColorOver.B) + " " + NLMISC::toString(_ColorOver.A); }
	std::string getColorPushedAsString() const
	{	return	NLMISC::toString(_ColorPushed.R) + " " + NLMISC::toString(_ColorPushed.G) + " " +
				NLMISC::toString(_ColorPushed.B) + " " + NLMISC::toString(_ColorPushed.A); }

	void setColorAsString(const std::string &col)		{ _ColorNormal = convertColor (col.c_str()); }
	void setColorOverAsString(const std::string &col)	{ _ColorOver = convertColor (col.c_str()); }
	void setColorPushedAsString(const std::string &col)	{ _ColorPushed = convertColor (col.c_str()); }
	// @}

	///\name radio button specific
	//@{
	/** Initialize radio button reference
	 *	Advanced:
	 *	NB: must call initRBRef() for radio button if button is created without parse().
	 *	NB: setParent() must be called before (else assert)
	 */
	void initRBRef();
	//@}
	void initRBRefFromRadioButton(CCtrlBaseButton * pBut);


	/// \name Handlers
	// @{
	// Event part
	void setActionOnLeftClick (const std::string &actionHandlerName) { _AHOnLeftClick = getAH(actionHandlerName, _AHLeftClickParams); }
	void setActionOnRightClick (const std::string &actionHandlerName) { _AHOnRightClick = getAH(actionHandlerName, _AHRightClickParams); }
	void setActionOnClockTick (const std::string &ahName) { _AHOnClockTick = getAH(ahName, _AHClockTickParams); }
	void setParamsOnLeftClick (const std::string &paramsHandlerName) { _AHLeftClickParams = paramsHandlerName; }
	void setParamsOnRightClick (const std::string &paramsHandlerName) { _AHRightClickParams = paramsHandlerName; }
	void setParamsOnClockTick (const std::string &ahParamsName) { _AHClockTickParams = ahParamsName; }

	// get Event part
	std::string		_getActionOnLeftClick() const { return getAHName(_AHOnLeftClick); }
	IActionHandler *getActionOnLeftClick () const { return _AHOnLeftClick; }
	IActionHandler *getActionOnRightClick () const { return _AHOnRightClick; }
	IActionHandler *getActionOnClockTick () const { return _AHOnClockTick; }
	std::string			_getParamsOnLeftClick () const { return _AHLeftClickParams.toString(); }
	const std::string	&getParamsOnLeftClick () const { return _AHLeftClickParams; }
	const std::string	&getParamsOnRightClick () const { return _AHRightClickParams; }
	const std::string	&getParamsOnClockTick () const { return _AHClockTickParams; }

	// run action on left click
	void runLeftClickAction();

	// Context menu accessor/ One for each button
	void setListMenuLeft (const std::string &cm) { _ListMenuLeft = cm; }
	void setListMenuRight (const std::string &cm) { _ListMenuRight = cm; }
	void setListMenuBoth (const std::string &cm) { _ListMenuLeft= _ListMenuRight= cm; }
	std::string getListMenuLeft () { return _ListMenuLeft.toString(); }
	std::string getListMenuRight () { return _ListMenuRight.toString(); }
	// @}



	int luaRunLeftClickAction(CLuaState &ls);
	REFLECT_EXPORT_START(CCtrlBaseButton, CCtrlBase)
		REFLECT_BOOL("pushed", getPushed, setPushed);
		REFLECT_STRING("col_normal", getColorAsString, setColorAsString);
		REFLECT_STRING("col_over", getColorOverAsString, setColorOverAsString);
		REFLECT_STRING("col_pushed", getColorPushedAsString, setColorPushedAsString);
		REFLECT_RGBA("col_normal_rgba", getColor, setColor);
		REFLECT_RGBA("col_over_rgba", getColorOver, setColorOver);
		REFLECT_RGBA("col_pushed_rgba", getColorPushed, setColorPushed);
		REFLECT_BOOL("frozen", getFrozen, setFrozen);
		REFLECT_BOOL("frozen_half_tone", getFrozenHalfTone, setFrozenHalfTone);
		REFLECT_STRING("onclick_l", _getActionOnLeftClick, setActionOnLeftClick);
		REFLECT_STRING("params_l", _getParamsOnLeftClick, setParamsOnLeftClick);
		REFLECT_LUA_METHOD("runLeftClickAction", luaRunLeftClickAction);
	REFLECT_EXPORT_END

protected:
	EType	_Type;

	// State
	bool _Pushed			: 1;
	bool _Over				: 1;
	bool _OverWhenPushed	: 1;
	bool _Frozen			: 1;
	bool _FrozenHalfTone    : 1;
	bool _ClickWhenPushed	: 1;
	bool _ModulateGlobalColorNormal	: 1;
	bool _ModulateGlobalColorPushed	: 1;
	bool _ModulateGlobalColorOver	: 1;
	bool _LeftLongClickHandled       : 1; // Is it already handled ?
	bool _LeftDblClickHandled		 : 1;


	///\name radio button specific
	//@{
	CCtrlBaseButton *_RBRefBut;	// The reference button. If NULL the control do not own the reference
	// There is only one radio button per group that own the reference (the first one)
	CCtrlBaseButton **_RBRef;	// The pointer onto the reference button
	//@}


	// Colors
	NLMISC::CRGBA	_ColorNormal;
	NLMISC::CRGBA	_ColorPushed;
	NLMISC::CRGBA	_ColorOver;

	///\name Long click specific
	//@{
	sint64 _LeftLongClickDate;	// Time we left click down
	//@}

	// for double click : last date at which last left click occurred
	static sint64 _LastLeftClickDate;
	static NLMISC::CRefPtr<CCtrlBaseButton> _LastLeftClickButton;

	///\name Action Handler
	//@{
	IActionHandler *_AHOnOver;
	CStringShared	_AHOverParams;
	IActionHandler *_AHOnLeftClick;
	CStringShared	_AHLeftClickParams;
	IActionHandler *_AHOnLeftDblClick;
	CStringShared	_AHLeftDblClickParams;
	IActionHandler *_AHOnRightClick;
	CStringShared	_AHRightClickParams;
	IActionHandler *_AHOnClockTick;
	CStringShared	_AHClockTickParams;
	IActionHandler *_AHOnLeftLongClick;
	CStringShared	_AHLeftLongClickParams;
	//@}
	CStringShared	_ListMenuLeft;
	CStringShared	_ListMenuRight;

	// get the colors modulated on request
	NLMISC::CRGBA	getCurrentColorNormal(NLMISC::CRGBA globalColor) const
	{
		NLMISC::CRGBA	rgba  = _ColorNormal;
		if(_ModulateGlobalColorNormal)
			rgba.modulateFromColor(rgba, globalColor);
		return rgba;
	}
	NLMISC::CRGBA	getCurrentColorPushed(NLMISC::CRGBA globalColor) const
	{
		NLMISC::CRGBA	rgba  = _ColorPushed;
		if(_ModulateGlobalColorPushed)
			rgba.modulateFromColor(rgba, globalColor);
		return rgba;
	}
	NLMISC::CRGBA	getCurrentColorOver(NLMISC::CRGBA globalColor) const
	{
		NLMISC::CRGBA	rgba  = _ColorOver;
		if(_ModulateGlobalColorOver)
			rgba.modulateFromColor(rgba, globalColor);
		return rgba;
	}

	// call it at draw
	void	updateOver(bool &lastOver);
	virtual	void elementCaptured(CCtrlBase *capturedElement);
};


#endif // NL_CTRL_BASE_BUTTON_H

/* End of ctrl_base_button.h */