FWSimpleProxyHelper Class Reference

#include <Fireworks/Core/interface/FWSimpleProxyHelper.h>

Public Member Functions
	FWSimpleProxyHelper (const std::type_info &)
void	itemChanged (const FWEventItem *)
const void *	offsetObject (const void *iObj) const

Private Attributes
const std::type_info *	m_itemType
unsigned int	m_objectOffset

Detailed Description

Description: Implements some common functionality needed by all Simple ProxyBuilders

Usage: <usage>

Definition at line 30 of file FWSimpleProxyHelper.h.

Constructor & Destructor Documentation

FWSimpleProxyHelper::FWSimpleProxyHelper

(

const std::type_info &

iType

)

Definition at line 37 of file FWSimpleProxyHelper.cc.

                                                                  :
   m_itemType(&iType),
   m_objectOffset(0)
{
}

Member Function Documentation

void FWSimpleProxyHelper::itemChanged

(

const FWEventItem *

iItem

)

Definition at line 68 of file FWSimpleProxyHelper.cc.

References edm::TypeWithDict::getBaseClassOffset(), m_itemType, m_objectOffset, and FWEventItem::modelType().

Referenced by FWDetailViewBase::build(), FWCandidateTowerProxyBuilder::itemChangedImp(), FWProxyBuilderTemplate< EcalRecHit >::itemChangedImp(), and FWSimpleProxyBuilder::itemChangedImp().

{
   if(0!=iItem) {
      edm::TypeWithDict baseType(*m_itemType);
      edm::TypeWithDict mostDerivedType(*(iItem->modelType()->GetTypeInfo()));
      // The - sign is there because this is the address of a derived object minus the address of the base object.
      m_objectOffset = -mostDerivedType.getBaseClassOffset(baseType);
   }
}

const void* FWSimpleProxyHelper::offsetObject ( const void *  iObj ) const

inline

Definition at line 37 of file FWSimpleProxyHelper.h.

References m_objectOffset.

Referenced by FWDetailViewBase::build(), FWSimpleProxyBuilder::build(), FWSimpleProxyBuilder::buildViewType(), FWCandidateTowerProxyBuilder::fillCaloData(), FWCandidateTowerSliceSelector::getItemEntryEtaPhi(), FWProxyBuilderTemplate< EcalRecHit >::modelData(), FWSimpleProxyBuilderTemplate< TrajectorySeed >::modelData(), and FWSimpleProxyBuilder::visibilityModelChanges().

                                                    {
      return static_cast<const char*> (iObj)+m_objectOffset;
   }

Member Data Documentation

const std::type_info* FWSimpleProxyHelper::m_itemType

private

Definition at line 51 of file FWSimpleProxyHelper.h.

Referenced by itemChanged().

unsigned int FWSimpleProxyHelper::m_objectOffset

private

Definition at line 52 of file FWSimpleProxyHelper.h.

Referenced by itemChanged(), and offsetObject().