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/Go4QtBaseWidgets/TGo4QTHStackItem.cpp

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#include "TGo4QTHStackItem.h"

#include <iostream.h>

#include "THStack.h"
#include "TPad.h"
#include "TCanvas.h"

#include "Go4GUIRegistry/TGo4GUIRegistry.h"
#include "Go4GUI/TGo4PreviewPanel.h"
#include "Go4GUI/TGo4MonitoredObject.h"
#include "Go4GUI/TGo4BrowserSlots.h"
#include "Go4GUI/TGo4BrowserStatus.h"
#include "Go4GUI/TGo4Browser.h"
#include "Go4GUI/TGo4QRootCanvas.h"

TGo4QTHStackItem::TGo4QTHStackItem( QListViewItem* parent, const QString & text, const QString & text1,  const QString & text2)
   :TGo4QTHItem (parent, "superimpose.png", text, text1, text2)
{
}

TGo4QTHStackItem::TGo4QTHStackItem( QListView* parent, const QString & text, const QString & text1,  const QString & text2)
   :TGo4QTHItem (parent, "superimpose.png", text, text1, text2)
{
}

TGo4QTHStackItem::~TGo4QTHStackItem(){}

void TGo4QTHStackItem::DrawObj(TGo4PreviewPanel *viewpanel, TPad* currentpad)
{
   if(!AssignDrawPanel(viewpanel,currentpad)) return;
   THStack* stack=dynamic_cast<THStack*>(GetWorkObject());
   if(stack)
      {
         QString realname=stack->GetName();
         TGo4BrowserSlots* browserslots = dynamic_cast <TGo4BrowserSlots *>(fxTGo4GUIRegistry->GetSlotClass("TGo4BrowserSlots"));
         TGo4Browser* browser=browserslots->GetBrowserGUI();
         if(InFileBrowser())
            {
               if(browserslots)  //browserslots->AddObjectToLocalList(hist,false);
               {
                   browserslots->AddObject(stack,fxDrawPanel->GetQCanvas(),fxDrawPad);
                   realname=browserslots->GetAddedItemName();
                   //cout <<"DrawObj in file browser sends to membrowser" << endl;
                  // if item was already there with reference to another pad,
                  // we have to redraw it on the drop pad               
                  fxDrawPad->cd();
                  TGo4QItem *memitem = (TGo4QItem*) browser->ListViewLocal->findItem(realname,0);
                  if (memitem!=0)
                     {
                        memitem->DrawObj(fxDrawPanel,fxDrawPad);
                     }
               }// if(browserslots)
            } // if(InFileBrowser())
         else
            {
               TPad* padsav=fxDrawPanel->GetActivePad();
               fxDrawPanel->SetActivePad(fxDrawPad);
               fxDrawPanel->ClearPad();
               stack->Draw("nostack");
               fxDrawPanel->UpdatePad(fxDrawPad, stack);
               fxDrawPanel->SetActivePad(padsav);
            }
      }
}

void TGo4QTHStackItem::UpdateOnline(TObject *fxObj)
{
   bool keepscale=IsKeepScale();
   THStack* monstack=dynamic_cast <THStack*>(GetWorkObject());
   THStack* newstack=dynamic_cast <THStack*>(fxObj);
   if(monstack!=0 && newstack!=0)
      {
      TList* newlist=newstack->GetHists();
      TIterator* newliter=newlist->MakeIterator();
      TList* oldlist=monstack->GetHists();
      TObject* hob=0;
      while((hob=newliter->Next())!=0)
        {
           TH1* newhi=dynamic_cast<TH1*>(hob);
           if(newhi)
              {
                const Text_t* hisname=newhi->GetName();
                TH1* monhis= dynamic_cast<TH1*>(oldlist->FindObject(hisname));
                if(monhis)
                   {
                     Double_t ymin,ymax;
                     if(keepscale)
                        {
                           ymin=monhis->GetMinimum();
                           ymax=monhis->GetMaximum();
                           //printf("UpdateOnline TH1 found scales: %f %f %f %f\n",xmin,xmax,ymin,ymax);
                        }
                     monhis->Reset();
                     monhis->Add(newhi);
                     if(keepscale)
                        {
                           monhis->SetMinimum(ymin);
                           monhis->SetMaximum(ymax);
                           //printf("UpdateOnline TH1 restored scales: \n");
                        }
                   }
                else
                   {
                      // not found, we add the new one to our stack:
                       TH1* newhist = (TH1*) newhi->Clone();
                       TH1* lasthist=(TH1*) oldlist->Last();
                       newhist->SetLineColor(lasthist->GetLineColor()+1);
                       monstack->Add(newhist);
                   }
              } // if(newhi)
        }// while
      delete newliter;
      UpdateDrawPad();
   }// if(monstack!=0 && newstack!=0)
}




//----------------------------END OF GO4 SOURCE FILE ---------------------

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