gls_menu_item.h

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#if !defined(GLS_MENUITEM_H)
#define GLS_MENUITEM_H

#ifdef WIN32
#pragma warning (disable:4786)
#endif

#include <string>

#include "gls_menu_data_group.h"
#include "gls_menu_action.h"
#include "gls_bool_expression.h"
#include "gls_color.h"
#include "gls_menu_action.h"


//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
class GlsMenuItemState : public GlsMenuDataGroup
{
public:

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    GlsMenuItemState(
        const std::string& label, 
        GlsMenuDictionary& dataDict,
        GlsMenuAction::HandlerCont_t& actionHandlers);

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual ~GlsMenuItemState();

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual bool Active() const { return _active(); }

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    const disti::glsColor& Color() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual std::string Label() const;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual bool Visible() const { return _visible(); }

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual void Select();

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    void CheckTimers();

protected:
    GlsMenuActionGroup* _actions;

    GlsBoolExpression _active;

    std::string _colorName;

    GlsBoolExpression _visible;

    GlsMenuDictionary& _dataDict;
     
    GlsMenuHandlerGroup_T<GlsMenuTimer>* _timers;


}; // end GlsMenuItemState


//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
template <class State_t>
class GlsMenuItem_T : public GlsMenuHandlerGroup_T<State_t>
{
public:
    typedef GlsMenuHandlerGroup_T<State_t> BaseClass;

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    GlsMenuItem_T(
        const std::string& name, 
        GlsMenuDictionary& dataDict,
        GlsMenuAction::HandlerCont_t& actionHandlers) :

        GlsMenuHandlerGroup_T<State_t>(name, dataDict, actionHandlers, false),
        _currentState(0)
    {}

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual ~GlsMenuItem_T() {}

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    State_t* State()
    {
        _currentState = 0;

        for (GlsMenuDictionary::iterator stateIt = BaseClass::_attr.Begin();
             stateIt != BaseClass::_attr.End();
             ++stateIt)
        {
            State_t* state = dynamic_cast<State_t*>(*stateIt);

            if (state)
            {
                state->CheckTimers();

                if (state->Visible())
                {
                    _currentState = state;
                    break;
                }
            }
        }
        return _currentState;
    }

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    void Select()
    {
        if (_currentState)
            _currentState->Select();
    }


protected:
    State_t* _currentState;

}; // end GlsMenuItem



#endif // GLS_MENUITEM_H