TObjectElement.hxx

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/*************************************************************************
 * Copyright (C) 1995-2021, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef ROOT7_Browsable_TObjectElement
#define ROOT7_Browsable_TObjectElement
 
#include <ROOT/Browsable/RElement.hxx>
 
class TObject;
class TCollection;
 
namespace ROOT {
namespace Experimental {
namespace Browsable {
 
 
/** \class TObjectElement
\ingroup rbrowser
\brief Access to TObject basic properties for RBrowsable
\author Sergey Linev <S.Linev@gsi.de>
\date 2021-01-11
\warning This is part of the ROOT 7 prototype! It will change without notice. It might trigger earthquakes. Feedback is welcome!
*/
 
 
class TObjectElement : public RElement {
protected:
   std::unique_ptr<RHolder> fObject;
   TObject *fObj{nullptr};
   std::string fName;
   bool fHideChilds{false};
 
   bool IsSame(TObject *obj) const { return obj == fObj; }
 
   void SetObject(TObject *obj);
 
   void ForgetObject() const;
 
   virtual const TObject *CheckObject() const;
 
   virtual std::string GetMTime() const { return ""; }
 
   virtual Long64_t GetSize() const { return -1; }
 
public:
   TObjectElement(TObject *obj, const std::string &name = "", bool _hide_childs = false);
 
   TObjectElement(std::unique_ptr<RHolder> &obj, const std::string &name = "", bool _hide_childs = false);
 
   virtual ~TObjectElement() = default;
 
   /** Name of TObject */
   std::string GetName() const override;
 
   void SetName(const std::string &name) { fName = name; }
 
   /** Is flag to hide all potential object childs set */
   bool IsHideChilds() const { return fHideChilds; }
 
   /** Set flag to hide all potential object childs */
   void SetHideChilds(bool on) { fHideChilds = on; }
 
   bool IsFolder() const override;
 
   /** Title of TObject */
   std::string GetTitle() const override;
 
   /** Create iterator for childs elements if any */
   std::unique_ptr<RLevelIter> GetChildsIter() override;
 
   /** Return copy of TObject holder - if possible */
   std::unique_ptr<RHolder> GetObject() override;
 
   bool IsObject(void *) override;
 
   bool CheckValid() override;
 
   const TClass *GetClass() const;
 
   EActionKind GetDefaultAction() const override;
 
   bool IsCapable(EActionKind) const override;
 
   std::unique_ptr<RItem> CreateItem() const override;
 
   static std::unique_ptr<RLevelIter> GetCollectionIter(const TCollection *);
 
};
 
} // namespace Browsable
} // namespace Experimental
} // namespace ROOT
 
 
#endif