//----------------------------------------------------------------------------
// $Id: Sim/OrnamentMgr.hpp 2013/10/26 23:10:54 philw $
// Workspace Text/Image Ornament Manager -- created for RiverWare 6.5 [10-2013]
//
//  class OrnamentMgr : Root
//  class OrnamentMgr::ImageData
//----------------------------------------------------------------------------

#pragma once
#ifndef OrnamentMgrINCLUDED
#define OrnamentMgrINCLUDED

#include "UserImageData.hpp"
#include "Ornament.hpp"
#include "Root.hpp"
#include "cwReturnStatus.hpp"

#include <QByteArray>
#include <QList>
#include <QMap>
#include <QPixmap>

// OrnamentMgr is a Root so that it can generate callbacks.
//
class OrnamentMgr : Root
{
 private:
   static OrnamentMgr* _instance;
   static void chkInstance();
   OrnamentMgr();

   QList<Ornament*> _ornamentList;
   QMap<int,UserImageData> _userImageMap;

 public:
   static OrnamentMgr* instance() { chkInstance(); return (_instance); }
   static bool instanceExists() { return (_instance != NULL); } 
   virtual ~OrnamentMgr();

 public:
   void addOrnament (Ornament*);
   void removeOrnament (Ornament*, bool deleteToo=false);
   const QList<Ornament*>& ornamentListRef() const { return _ornamentList; }
   bool containsOrnament (const Ornament*) const;
   void clearOrnaments();

   int addUserImage (UserImageData); // returns new imageId
   void removeUserImage (int imageId);
   UserImageData userImageData (int imageId) const;
   UserImageData userImageData (const Ornament*) const;
   QList<int> userImageIds() const;
   void clearUserImages();
   void clearUnusedUserImages();

 public:
   // called from Ornament::sendCallback (CallbackType);
   void handleAndForwardCallback (CallbackType, Ornament*);
};

#endif
//--- (end OrnamentMgr.hpp) ---