#include <TObject.h>
#include <TGraph.h>
#include <TBranch.h>
#include <TF1.h>

namespace zora
{
  class zGraph : public TGraph
    {
    public:
      enum plot_mode {kImmediate, kDeferred};
      enum axis     {X1, X2, Y1, Y2, Y3, Y4};

    protected:
      TBranch    *d_branch;
      axis       d_whichX;
      axis       d_whichY;
      TF1        d_f1;
      TF1        d_f2;
      Bool_t     d_reload;
      ULong_t    d_nExec;    

    public:
      zGraph();
      zGraph(TBranch *branch,
	     plot_mode pmode = kDeferred);
      //zGraph(zGraph const &zg);
      virtual ~zGraph();

      zGraph *getzGraph(axis whichX = X1, axis whichY = Y1,
			TF1 *f1 = new TF1("default1", "x"),
			TF1 *f2 = new TF1("default2", "x"));

      TGraph *getTGraph(axis whichX = X1, axis whichY = Y1,
			TF1 *f1 = new TF1("default1", "x"),
			TF1 *f2 = new TF1("default2", "x"));


    protected:
      virtual void doCleanup();
      Int_t doGraph();
      ClassDef(zGraph, 0);
    };
}