RLevelIter.cxx

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/*************************************************************************
 * Copyright (C) 1995-2020, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include <ROOT/Browsable/RLevelIter.hxx>
 
#include <ROOT/Browsable/RElement.hxx>
#include <ROOT/Browsable/RItem.hxx>
 
using namespace ROOT::Experimental::Browsable;
 
/////////////////////////////////////////////////////////////////////
/// Find item with specified name
/// Default implementation, should work for all
/// If index specified, not only name but also index should match
 
bool RLevelIter::Find(const std::string &name, int indx)
{
   int i = -1;
 
   while (Next()) {
      if (indx >= 0) {
         i++;
         if (i > indx) return false;
         if (i < indx) continue;
      }
 
      std::string iname = GetItemName();
      if (iname.empty())
         iname = "<empty>";
 
      if (iname == name)
         return true;
   }
 
   return false;
}
 
/////////////////////////////////////////////////////////////////////
/// Create generic description item for RBrowser
 
std::unique_ptr<RItem> RLevelIter::CreateItem()
{
   std::string name = GetItemName();
   if (name.empty())
      name = "<empty>";
 
   bool have_childs = CanItemHaveChilds();
 
   return std::make_unique<RItem>(name, have_childs ? -1 : 0, have_childs ? "sap-icon://folder-blank" : "sap-icon://document");
}