GSI Object Oriented Online Offline (Go4): qt4/Go4GUI/TGo4DrawObjProxy.cxx Source File

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00001 // $Id: TGo4DrawObjProxy.cxx 478 2009-10-29 12:26:09Z linev $
00002 //-----------------------------------------------------------------------
00003 //       The GSI Online Offline Object Oriented (Go4) Project
00004 //         Experiment Data Processing at EE department, GSI
00005 //-----------------------------------------------------------------------
00006 // Copyright (C) 2000- GSI Helmholtzzentrum f�r Schwerionenforschung GmbH
00007 //                     Planckstr. 1, 64291 Darmstadt, Germany
00008 // Contact:            http://go4.gsi.de
00009 //-----------------------------------------------------------------------
00010 // This software can be used under the license agreements as stated
00011 // in Go4License.txt file which is part of the distribution.
00012 //-----------------------------------------------------------------------
00013 
00014 #include "TGo4DrawObjProxy.h"
00015 
00016 #include "TList.h"
00017 #include "THStack.h"
00018 #include "TMultiGraph.h"
00019 
00020 TGo4DrawObjProxy::TGo4DrawObjProxy(TObject* obj, Bool_t owner, Bool_t doclear) :
00021    TGo4ObjectProxy(obj, owner),
00022    fDoClear(doclear)
00023 {
00024 }
00025 
00026 TGo4DrawObjProxy::~TGo4DrawObjProxy()
00027 {
00028   if (fDoClear) TryToClearObject();
00029 }
00030 
00031 Bool_t TGo4DrawObjProxy::RemoveRegisteredObject(TObject* obj)
00032 {
00033    if (obj == fObject) TryToClearObject();
00034    return TGo4ObjectProxy::RemoveRegisteredObject(obj);
00035 }
00036 
00037 void TGo4DrawObjProxy::TryToClearObject()
00038 {
00039    if (fObject==0) return;
00040    if (fObject->InheritsFrom(THStack::Class())) {
00041       THStack* hs = (THStack*) fObject;
00042       if (hs->GetHists())
00043           hs->GetHists()->Clear();
00044    } else
00045    if (fObject->InheritsFrom(TMultiGraph::Class())) {
00046       TMultiGraph* mgr = (TMultiGraph*) fObject;
00047       if (mgr->GetListOfGraphs())
00048          mgr->GetListOfGraphs()->Clear();
00049     }
00050 }