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#ifndef _SV_EXPANDER_HXX
#define _SV_EXPANDER_HXX

#include <vcl/ctrl.hxx>
#include <vcl/image.hxx>

enum SvExpanderStateType
{
	EST_MIN=1,          
	EST_PLUS=2,         
	EST_MIN_DOWN=3,     
	EST_PLUS_DOWN=4,    
	EST_NONE=5,         
	EST_MIN_DIS=6,      
	EST_PLUS_DIS=7,     
	EST_MIN_DOWN_DIS=8, 
	EST_PLUS_DOWN_DIS=9
};

class SvExpander: public Control
{
private:
		Point					aImagePos;
		Point					aTextPos;
		Image					aActiveImage;
		Rectangle				maFocusRect;
		ImageList				maExpanderImages;
		sal_Bool					mbIsExpanded;
		sal_Bool					mbHasFocusRect;
		sal_Bool					mbIsInMouseDown;
		Link					maToggleHdl;
		SvExpanderStateType	eType;

protected:
		
		virtual long	PreNotify( NotifyEvent& rNEvt );
		virtual void	MouseButtonDown( const MouseEvent& rMEvt );
		virtual void	MouseMove( const MouseEvent& rMEvt );
		virtual void	MouseButtonUp( const MouseEvent& rMEvt );
		virtual void	Paint( const Rectangle& rRect );
		virtual void	KeyInput( const KeyEvent& rKEvt );
		virtual void	KeyUp( const KeyEvent& rKEvt );

		virtual void	Click();
		virtual void	Resize();

public:
		SvExpander( Window* pParent, WinBits nStyle = 0 ); 
		SvExpander( Window* pParent, const ResId& rResId );

		sal_Bool			IsExpanded() {return mbIsExpanded;}

		void			SetToExpanded(sal_Bool bFlag=sal_True);

		void			SetExpanderImage( SvExpanderStateType eType);
		Image			GetExpanderImage(SvExpanderStateType eType);
		Size			GetMinSize() const;

		void			SetToggleHdl( const Link& rLink ) { maToggleHdl = rLink; }
		const Link& 	GetToggleHdl() const { return maToggleHdl; }
};



#endif	
