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/Go4QtBaseWidgets/TGo4QCanvasItem.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 "TGo4QCanvasItem.h"

#include <iostream.h>

#include "TCanvas.h"
#include "TObject.h"
#include "TH1.h"

#include "Go4StatusBase/TGo4CanvasWrapper.h"
#include "Go4CommandsAnalysis/TGo4ComGetCanvas.h"
#include "Go4GUIRegistry/TGo4GUIRegistry.h"
#include "Go4GUI/TGo4PreviewPanel.h"
#include "Go4GUI/TGo4MainWindow.h"
#include "Go4GUI/TGo4QRootCanvas.h"
#include "Go4GUI/TGo4MonitoredListSlots.h"
#include "Go4GUI/TGo4MonitoredListStatus.h"
#include "Go4GUI/TGo4MonitoredListSlots.h"
#include "Go4GUI/TGo4MonitoredObject.h"
#include "Go4GUI/TGo4BrowserSlots.h"
#include "Go4GUI/TGo4BrowserStatus.h"

TGo4QCanvasItem::TGo4QCanvasItem( QListViewItem* parent, const QString & text, const QString & text1,  const QString & text2)
   :TGo4QDragDrop(parent, "canvas.png", text, text1, text2)
{
}

TGo4QCanvasItem::TGo4QCanvasItem( QListView* parent, const QString & text, const QString & text1,  const QString & text2)
   :TGo4QDragDrop (parent, "canvas.png", text, text1, text2)
{
}

TGo4QCanvasItem::~TGo4QCanvasItem()
{
}

void TGo4QCanvasItem::ItemDBkLocal()
{
   TGo4PreviewPanel *viewPanel=0;
   TGo4MainWindow  *mw= dynamic_cast <TGo4MainWindow *> (fxTGo4GUIRegistry->GetMainWindow());
   if(mw!=0) viewPanel =mw->ViewPanelSlot();
   DrawObj(viewPanel);
}

void TGo4QCanvasItem::ItemDBkRemote()
{
      GetRemoteObj();
}

void TGo4QCanvasItem::DrawObj(TGo4PreviewPanel *viewpanel, TPad* currentpad)
{
   if(!AssignDrawPanel(viewpanel, currentpad)) return;
   TCanvas *FC=dynamic_cast<TCanvas*>(GetWorkObject());
   if(FC==0) return;
   TPad* padsav=fxDrawPanel->GetActivePad();
   fxDrawPanel->SetActivePad(fxDrawPad);
   fxDrawPanel->ClearPad();
   TGo4QRootCanvas *fxC=fxDrawPanel->GetQCanvas();
   TDirectory* filsav=gDirectory;// test
   gROOT->cd();// test
   fxC->InsertCanvas(FC, fxDrawPad);
   filsav->cd();// test
   fxDrawPanel->SetActivePad(padsav);
   if(InFileBrowser() || InMemoryBrowser())
      AddHistosToMemBrowser(fxDrawPad);
}
void TGo4QCanvasItem::DropAction(QWidget *Recvr)
{
   TGo4PreviewPanel *fxPanel=dynamic_cast<TGo4PreviewPanel *>(Recvr);
   if(fxPanel!=0)DrawObj(fxPanel);

}
void TGo4QCanvasItem::GetOnlineObj()
{
   TGo4MonitoredListSlots* fxTGo4MonitoredListSlots;
   fxTGo4MonitoredListSlots=dynamic_cast <TGo4MonitoredListSlots *> (fxTGo4GUIRegistry->GetSlotClass("TGo4MonitoredListSlots"));
   TGo4ComGetCanvas* com = new TGo4ComGetCanvas(text(0).data());
   fxTGo4GUIRegistry->SubmitCommand(com,text(0).data(),fxTGo4MonitoredListSlots,kTRUE);

}

void TGo4QCanvasItem::UpdateOnline(TObject *ob)
{
   TObject* oldobject=GetWorkObject();
   TObject* newcopy=0;
   Text_t obname[256];
   if(ob) snprintf(obname,256,"%s",ob->GetName());
   if(fbMonitorDone)
      {
      // memory list update
      //cout <<"TGo4QItem::UpdateOnline for memory" << endl;
      TGo4BrowserSlots* brslots=dynamic_cast <TGo4BrowserSlots *> (fxTGo4GUIRegistry->GetSlotClass("TGo4BrowserSlots"));
      if(brslots)
        {
            TGo4BrowserStatus* brstat=dynamic_cast <TGo4BrowserStatus *> (brslots->GetStatus());
            brstat->OverWriteLocalObject(dynamic_cast <TNamed*>(ob));
            newcopy=brstat->GetObjectfromLocalList(obname);
            //cout <<"CanvasItem::UpdateOnline has newcopy:"<<newcopy << endl;
            fxItemObject=newcopy;
        }
     }
   else
      {
       // update in monitoring list
       //cout <<"TGo4QItem::UpdateOnline for monitor" << endl;
       TGo4MonitoredListSlots* monslots=dynamic_cast <TGo4MonitoredListSlots *> (fxTGo4GUIRegistry->GetSlotClass("TGo4MonitoredListSlots"));
      if(monslots)
        {
           TGo4MonitoredListStatus* monstat=dynamic_cast <TGo4MonitoredListStatus *> (monslots->GetStatus());
           TObject* addedobject=0;
            TGo4CanvasWrapper* cwrap=dynamic_cast<TGo4CanvasWrapper*>(ob);
            if(cwrap)
               {
                  //cout <<"CanvasItem::UpdateOnline has canvas wrapper." << endl;
                  addedobject=cwrap->GetCanvas(kFALSE);
               }
            else
               {
                  addedobject=ob;
               }
           newcopy=addedobject->Clone();
           if(newcopy)
              {
                 monstat->RemoveMonitoredObject(oldobject);
                 monstat->AddToMonitoredObjectList(newcopy);
                 TGo4MonitoredObject* MonitoredObj = monstat->GetMonitoredObject(obname);
                 if(MonitoredObj)
                    {
                       MonitoredObj->SetMonitoredObject(newcopy);
                       MonitoredObj->SetMonObjItem(this);
                    }
                 fxItemObject=MonitoredObj;
              } //if(newcopy)
        }//if(monslots)
      }//if(fbMonitorDone)

   // viewpanel may have been closed already!
   // AssignViewPanel does not check if viewpanel is there...
   if(IsExisting(fxDrawCanvas, fxDrawPad))
      DrawObj(fxDrawPanel, fxDrawPad); // redraw the canvas if old view still exists

}

void TGo4QCanvasItem::GetRemoteObj()
{
   TGo4ComGetCanvas* com = new TGo4ComGetCanvas(text(0).data());
    fxTGo4GUIRegistry->SubmitCommand(com,text(0).data());
}

void TGo4QCanvasItem::AddHistosToMemBrowser(TPad* pad)
{
if(pad==0) return;
TGo4BrowserSlots* browserslots = dynamic_cast <TGo4BrowserSlots *>(fxTGo4GUIRegistry->GetSlotClass("TGo4BrowserSlots"));
if(browserslots)
{
 //TH1* hist=fxDrawPanel->GetPadHistogram(fxDrawPad);
 // browserslots->AddObject(hist);
 TObject* ob=0;
 TList* primlist=pad->GetListOfPrimitives();
 TIterator* priter=primlist->MakeIterator();
 while((ob=priter->Next())!=0)
    {
       if(ob->InheritsFrom("TH1"))
          {
             TH1* hist=dynamic_cast<TH1*>(ob);
             //browserslots->AddObject(hist);
             browserslots->AddObjectToLocalList(hist, kFALSE, kFALSE); // register without cloning
             //cout <<"AddHistosToMembrowser sends canhisto "<< hist->GetName()<< " to membrowser" << endl;
          }
       else if(ob->InheritsFrom("TPad"))
          {
             TPad* subp=dynamic_cast<TPad*>(ob);
             AddHistosToMemBrowser(subp);
          }
    }
   delete priter;
}// if(browserslots)

}


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

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