/data/refman/pasoursint/CMSSW_4_1_8_patch13/src/Fireworks/TableWidget/src/FWColumnLabelCellRenderer.cc

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// -*- C++ -*-
//
// Package:     TableWidget
// Class  :     FWColumnLabelCellRenderer
// 
// Implementation:
//     <Notes on implementation>
//
// Original Author:  Chris Jones
//         Created:  Mon Feb  2 16:44:04 EST 2009
// $Id: FWColumnLabelCellRenderer.cc,v 1.2 2009/03/04 15:33:35 chrjones Exp $
//

// system include files
#include "TVirtualX.h"
#include "TGFont.h"

// user include files
#include "Fireworks/TableWidget/interface/FWColumnLabelCellRenderer.h"


//
// constants, enums and typedefs
//

//
// static data member definitions
//

//
// constructors and destructor
//
FWColumnLabelCellRenderer::FWColumnLabelCellRenderer(const TGGC* iContext):
FWTextTableCellRenderer(iContext), 
m_sortOrder(fireworks::table::kNotSorted),
m_sizeOfOrderIcon(height())
{
   FontMetrics_t metrics;
   font()->GetFontMetrics(&metrics);

   m_sizeOfOrderIcon -= 2*metrics.fDescent;
   m_sizeOfOrderIconStartX = metrics.fDescent;
   //we want the number to be even so that the point of the triangle 
   // will be right in the middle
   if(1 == m_sizeOfOrderIcon % 2) {
      ++m_sizeOfOrderIcon;
   }
}


// FWColumnLabelCellRenderer::FWColumnLabelCellRenderer(const FWColumnLabelCellRenderer& rhs)
// {
//    // do actual copying here;
// }

FWColumnLabelCellRenderer::~FWColumnLabelCellRenderer()
{
}

//
// assignment operators
//
// const FWColumnLabelCellRenderer& FWColumnLabelCellRenderer::operator=(const FWColumnLabelCellRenderer& rhs)
// {
//   //An exception safe implementation is
//   FWColumnLabelCellRenderer temp(rhs);
//   swap(rhs);
//
//   return *this;
// }

//
// member functions
//
void FWColumnLabelCellRenderer::setSortOrder(fireworks::table::SortOrder iOrder) {
   m_sortOrder = iOrder;
}

void 
FWColumnLabelCellRenderer::draw(Drawable_t iID, int iX, int iY, unsigned int iWidth, unsigned int iHeight)
{
   using namespace fireworks::table;
   UInt_t h = m_sizeOfOrderIcon;
   const GContext_t c = graphicsContext()->GetGC();
   int dY = m_sizeOfOrderIconStartX;
   
   if(kAscendingSort == m_sortOrder) {
      gVirtualX->DrawLine(iID, c, iX+h/2, iY+2+dY,   iX,   iY+h-2+dY);
      gVirtualX->DrawLine(iID, c, iX,     iY+h-2+dY, iX+h, iY+h-2+dY);
      gVirtualX->DrawLine(iID, c, iX+h/2, iY+2+dY,   iX+h, iY+h-2+dY);
   }
   if(kDescendingSort == m_sortOrder){
      gVirtualX->DrawLine(iID, c, iX,     iY+2+dY,   iX+h, iY+2+dY);
      gVirtualX->DrawLine(iID, c, iX+h/2, iY+h-2+dY, iX+h, iY+2+dY);
      gVirtualX->DrawLine(iID, c, iX+h/2, iY+h-2+dY, iX,   iY+2+dY);      
   }
   FWTextTableCellRenderer::draw(iID,iX+kGap+h,iY,iWidth-kGap-h,iHeight);
}

//
// const member functions
//
fireworks::table::SortOrder FWColumnLabelCellRenderer::sortOrder() const
{
   return m_sortOrder;
}

UInt_t FWColumnLabelCellRenderer::width() const
{
   return FWTextTableCellRenderer::width()+kGap+m_sizeOfOrderIcon;
}

//
// static member functions
//