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00001 // -*- C++ -*-
00002 #ifndef Fireworks_Core_FWNavigatorBase_h
00003 #define Fireworks_Core_FWNavigatorBase_h
00004 //
00005 // Package:     newVersion
00006 // Class  :     CmsShowNavigator
00007 // $Id: FWNavigatorBase.h,v 1.4 2010/09/02 19:54:03 matevz Exp $
00008 //
00009 
00010 // system include files
00011 #include <string>
00012 #include <sigc++/sigc++.h>
00013 #include <Rtypes.h>
00014 
00015 // user include files
00016 #include "Fireworks/Core/interface/FWConfigurable.h"
00017 
00018 #include "DataFormats/Provenance/interface/EventID.h"
00019 
00020 // forward declarations
00021 class CmsShowMainBase;
00022 
00023 namespace edm {
00024    class EventBase;
00025    class EventID;
00026 }
00027 
00028 class FWNavigatorBase : public FWConfigurable
00029 {
00030 public:
00031    enum EFilterState { kOff, kOn, kWithdrawn };
00032    enum EFilterMode  { kOr = 1, kAnd = 2 };
00033    
00034 public:
00035    FWNavigatorBase(const CmsShowMainBase &);
00036    virtual ~FWNavigatorBase();
00037 
00038    //configuration management interface
00039    virtual void addTo(FWConfiguration&) const = 0;
00040    virtual void setFrom(const FWConfiguration&) = 0;
00041 
00042    virtual void nextEvent() = 0;
00043    virtual void previousEvent() = 0;
00044    virtual bool nextSelectedEvent() = 0;
00045    virtual bool previousSelectedEvent() = 0;
00046    virtual void firstEvent() = 0;
00047    virtual void lastEvent() = 0;
00048    // FIXME -- should be Long64_t.
00049    virtual void goToRunEvent(edm::RunNumber_t, edm::LuminosityBlockNumber_t, edm::EventNumber_t) = 0;
00050 
00051    virtual bool isLastEvent() = 0;
00052    virtual bool isFirstEvent() = 0;
00053 
00054    virtual const edm::EventBase* getCurrentEvent() const = 0;
00055    virtual int  getNSelectedEvents() = 0;
00056    virtual int  getNTotalEvents() = 0;
00057 
00058    sigc::signal<void> newEvent_;
00059 private:
00060    FWNavigatorBase(const FWNavigatorBase&);    // stop default
00061    const FWNavigatorBase& operator=(const FWNavigatorBase&);    // stop default
00062    // ---------- member data --------------------------------
00063    // entry is an event index nubmer which runs from 0 to
00064    // #events or #selected_events depending on if we filter
00065    // events or not
00066    const CmsShowMainBase &m_main;
00067 };
00068 
00069 #endif