/*****************************************************************************
The Dark Mod GPL Source Code

This file is part of the The Dark Mod Source Code, originally based
on the Doom 3 GPL Source Code as published in 2011.

The Dark Mod Source Code is free software: you can redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software Foundation, either version 3 of the License,
or (at your option) any later version. For details, see LICENSE.TXT.

Project: The Dark Mod (http://www.thedarkmod.com/)

******************************************************************************/

#ifndef GESELECTIONMGR_H_
#define GESELECTIONMGR_H_

class rvGEWorkspace;

class rvGESelectionMgr
{
public:

	enum EHitTest
	{
		HT_NONE,
		HT_SELECT,
		HT_MOVE,
		HT_SIZE_TOPLEFT,
		HT_SIZE_TOP,
		HT_SIZE_TOPRIGHT,
		HT_SIZE_RIGHT,
		HT_SIZE_BOTTOMRIGHT,
		HT_SIZE_BOTTOM,
		HT_SIZE_BOTTOMLEFT,
		HT_SIZE_LEFT
	};

	rvGESelectionMgr ( );

	void			SetWorkspace		( rvGEWorkspace* workspace );

	void			Set					( idWindow* );
	void			Add					( idWindow* window, bool expand = true );
	void			Remove				( idWindow* );
	void			Clear				( void );
	
	int				Num					( void );
	
	void			Render				( void );
	
	EHitTest		HitTest				( float x, float y );
	
	bool			IsSelected			( idWindow* window );
	bool			IsExpression		( void );
	
	idRectangle&	GetRect				( void );
	idWindow*		GetBottomMost		( void );

	idWindow*&		operator[]( int index );

protected:

	void		UpdateRectangle		( void );
	void		UpdateExpression	( void );

	idList<idWindow*>	mSelections;
	idRectangle			mRect;
	rvGEWorkspace*		mWorkspace;
	bool				mExpression;
};

ID_INLINE int rvGESelectionMgr::Num ( void )
{
	return mSelections.Num ( );
}

ID_INLINE idWindow*& rvGESelectionMgr::operator[]( int index ) 
{
	assert( index >= 0 );
	assert( index < mSelections.Num() );

	return mSelections[ index ];
}

ID_INLINE void rvGESelectionMgr::SetWorkspace ( rvGEWorkspace* workspace )
{
	mWorkspace = workspace;
}

ID_INLINE idRectangle& rvGESelectionMgr::GetRect ( void )
{
	UpdateRectangle ( );
	return mRect;
}

ID_INLINE bool rvGESelectionMgr::IsSelected ( idWindow* window )
{
	return mSelections.FindIndex ( window ) != -1 ? true : false;
}

ID_INLINE bool rvGESelectionMgr::IsExpression ( void )
{
	return mExpression;
}

#endif // GESELECTIONMGR_H_