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/Go4ConditionsBase/TGo4PolyCondPainter.cxx

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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 "TGo4PolyCondPainter.h"

#include "TVirtualPad.h"

#include "TGo4PolyCondView.h"
#include "TGo4PolyCond.h"

TGo4PolyCondPainter::TGo4PolyCondPainter(const Text_t * name, const Text_t * title)
: TGo4ConditionPainter(name,title),fxCutView(0)
{

}

TGo4PolyCondPainter::TGo4PolyCondPainter(const Text_t * name)
: TGo4ConditionPainter(name,"Go4 polygon condition"),fxCutView(0)
{

}

TGo4PolyCondPainter::TGo4PolyCondPainter()
: TGo4ConditionPainter(),fxCutView(0)
{

}

TGo4PolyCondPainter::~TGo4PolyCondPainter()
{
   UnPaintCondition();
}


void TGo4PolyCondPainter::PaintCondition(Option_t* opt)
{
if(gPad==0) return;
TGo4PolyCond* pconny=dynamic_cast<TGo4PolyCond*>(fxCondition);
if(pconny && pconny->IsVisible())
   {
     TCutG* cutg=pconny->GetCut(kFALSE);
     if(cutg==0) return; // case of empty polygon condition
     if(fxCutView==0 || gPad->GetListOfPrimitives()->FindObject(fxCutView)==0)
         {
         // Only set up new view object if not already there
         // necessary to change cut interactively (points, colors, etc...)
         // Since cutg may be deleted from canvas by user.
         fxCutView= new TGo4PolyCondView(cutg);
         fxCutView->SetLineWidth(pconny->GetLineWidth());
         fxCutView->SetLineColor(pconny->GetLineColor());
         fxCutView->SetLineStyle(pconny->GetLineStyle());
         fxCutView->SetFillColor(pconny->GetFillColor());
         fxCutView->SetFillStyle(pconny->GetFillStyle());
         }
      else
         {
            if(cutg->GetN()==fxCutView->GetN())
               {
                  // only update if point number was not changed from rmb menu "InsertPoint"/"RemovePoint"
                  fxCutView->SetCut(cutg); // update view if condition was changed manually
               }
            else
               {
                  fxCutView->SetCondition(pconny);
                  fxCutView->UpdateCondition();
               }
         }
      fxCutView->SetCondition(pconny); // backreference for execute event
      if(!strcmp(opt,"fixstyle"))
            {
               // reproduce condition colors always
               // this mode will prevent the user from changing style interactively
               fxCutView->SetLineWidth(pconny->GetLineWidth());
               fxCutView->SetLineColor(pconny->GetLineColor());
               fxCutView->SetLineStyle(pconny->GetLineStyle());
               fxCutView->SetFillColor(pconny->GetFillColor());
               fxCutView->SetFillStyle(pconny->GetFillStyle());
            }
      if(gPad->GetListOfPrimitives()->FindObject(fxCutView)==0)
         {
            fxCutView->AppendPad();
         }
   }// if(pconny && pconny->IsVisible())
else
   {
      UnPaintCondition();
   }
}

void TGo4PolyCondPainter::UnPaintCondition(Option_t* opt)
{
if(gPad==0) return;
if(gPad->GetListOfPrimitives()->Remove(fxCutView)!=0)
   {
       // we do not delete view, but restore graphics properties though invisible
      TString option=opt;
      if(option.Contains("reset"))
         {
            delete fxCutView;
            fxCutView=0;
         }
      //gPad->Modified(kTRUE);
   }
}

void TGo4PolyCondPainter::SetCondition(TGo4Condition* con)
{
    fxCondition=con;
    if(fxCutView)
       fxCutView->SetCondition(dynamic_cast<TGo4PolyCond*>(con));
}


ClassImp(TGo4PolyCondPainter)



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

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