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#ifndef _DBAUI_MARKTREE_HXX_
#define _DBAUI_MARKTREE_HXX_

#ifndef DBAUI_DBTREELISTBOX_HXX
#include "dbtreelistbox.hxx"
#endif



//.........................................................................
namespace dbaui
{
//.........................................................................

//========================================================================
//= OMarkableTreeListBox
//========================================================================
/** a tree list box where all entries can be marked (with a checkbox) and
    unmarked. In addition, inner nodes know a third state which applies
    if some, but not all of their descendants are marked.
*/
class OMarkableTreeListBox : public DBTreeListBox
{
    SvLBoxButtonData*   m_pCheckButton;
    Link                m_aCheckButtonHandler;

public:
    OMarkableTreeListBox( Window* pParent
                            ,const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB
                            , WinBits nWinStyle=0 );
    OMarkableTreeListBox( Window* pParent
                            ,const ::com::sun::star::uno::Reference< ::com::sun::star::lang::XMultiServiceFactory >& _rxORB
                            , const ResId& rResId );
    ~OMarkableTreeListBox();

    virtual void    KeyInput( const KeyEvent& rKEvt );
    virtual void    CheckButtonHdl();
    void            CheckButtons();     // make the button states consistent (bottom-up)

    /// the handler given is called whenever the check state of one or more items changed
    void SetCheckHandler(const Link& _rHdl) { m_aCheckButtonHandler = _rHdl; }

protected:
    virtual void Paint(const Rectangle& _rRect);
    virtual void checkedButton_noBroadcast(SvLBoxEntry* _pEntry);

    SvButtonState   implDetermineState(SvLBoxEntry* _pEntry);
        // determines the check state of the given entry, by analyzing the states of all descendants

private:
    void InitButtonData();
};

//.........................................................................
}   // namespace dbaui
//.........................................................................

#endif // _DBAUI_MARKTREE_HXX_