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#ifndef PANELDECKLISTENERS_HXX
#define PANELDECKLISTENERS_HXX

#include "svtools/toolpanel/toolpaneldeck.hxx"

#include <boost/optional.hpp>
#include <vector>

//........................................................................
namespace svt
{
//........................................................................

    class IToolPanelDeckListener;

    //====================================================================
    //= PanelDeckListeners
    //====================================================================
    /** implements a container for IToolPanelDeckListeners
    */
    class PanelDeckListeners
    {
    public:
        PanelDeckListeners();
        ~PanelDeckListeners();

        // IToolPanelDeckListener equivalents, forward the events to all registered listeners
        void    PanelInserted( const PToolPanel& i_pPanel, const size_t i_nPosition );
        void    PanelRemoved( const size_t i_nPosition );
        void    ActivePanelChanged( const ::boost::optional< size_t >& i_rOldActive, const ::boost::optional< size_t >& i_rNewActive );
        void    LayouterChanged( const PDeckLayouter& i_rNewLayouter );
        void    Dying();

        // listener maintainance
        void    AddListener( IToolPanelDeckListener& i_rListener );
        void    RemoveListener( IToolPanelDeckListener& i_rListener );

    private:
        ::std::vector< IToolPanelDeckListener* >    m_aListeners;
    };

//........................................................................
} // namespace svt
//........................................................................

#endif // PANELDECKLISTENERS_HXX

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