/**

 @file

 @publishedAll

 @released

*/

#include <e32panic.h>

#include <cntfldst.h>

//Number of contacts

CViewDefBase::CViewDefBase(const TInt aContacts):CCntBaseStep(aContacts)

	{

	}

/**More items to be initilized within the uheap macro pair*/	

void CViewDefBase::InitializeL()

	{

	CCntBaseStep::InitializeL();

	iViewII = CContactItemViewDef::NewL(CContactItemViewDef::EIncludeFields,

	CContactItemViewDef::EIncludeHiddenFields);

	iViewIM = CContactItemViewDef::NewL(CContactItemViewDef::EIncludeFields,

	CContactItemViewDef::EMaskHiddenFields);

	iViewMI = CContactItemViewDef::NewL(CContactItemViewDef::EMaskFields,

	CContactItemViewDef::EIncludeHiddenFields);

	iViewMM = CContactItemViewDef::NewL(CContactItemViewDef::EMaskFields,

	CContactItemViewDef::EMaskHiddenFields);

	iDefView=CContactItemViewDef::NewL(CContactItemViewDef::EIncludeFields,

	CContactItemViewDef::EMaskHiddenFields);

	iDefView->AddL(KUidContactFieldMatchAll);

	}

/**More items to be cleaned up within the uheap macro pair*/		

void CViewDefBase::Cleanup()

	{

	CCntBaseStep::Cleanup();

	delete iViewII;

	iViewII = NULL;

	delete iViewIM;

	iViewIM = NULL;

	delete iViewMI;

	iViewMI = NULL;

	delete iViewMM;

	iViewMM = NULL;

	delete iDefView;

	iDefView = NULL;

	}

/**returns the number of nonhidden, hidden and empty fields,

that match aView for the current contact item*/	

void CViewDefBase::FieldsInView(const CContactItemViewDef &aView, TInt &aRetNormal, 

								TInt &aRetHidden, const TBool aHasEmpty)

	{

	TInt length = 0;

	length = iFields->Count();

	for(TInt i = 0; i < length; )

		{

		if( !( (*iFields)[i].Storage()->IsFull() ) )

			{

			if(aHasEmpty)

				{

				++i;

				continue;

				}

			else

				{

				_LIT(KUnfullView,"FieldsInView field is not full");

				User::Panic(KUnfullView, EInvariantFalse);

				}

			}

		if( ( i = FindInFieldSet(aView, i) ) != KErrNotFound )

			{

			if( (*iFields)[i].IsHidden() )

				{

				++aRetHidden;

				}

			else

				{

				++aRetNormal;

				}

			++i;

			}

		else

			{

			break;

			}

		}

	}

/**returns the position of the next field that matches aView for the current contact item,

returns KErrNotFound when it reaches end of fieldset or if it doesnt find a match*/		

TInt CViewDefBase::FindInFieldSet(const CContactItemViewDef &aView, const TInt &aFrom)

	{

	const TInt length = iFields->Count();

	const TInt viewLength = aView.Count();

	CContentType * ctype = NULL;

	TUid tuidback = KUidContactFieldNone;

	TBool allUids = EFalse;

	for(TInt i = aFrom; i < length; i++ )

		{

		ctype = CONST_CAST( CContentType *, &((*iFields)[i].ContentType()) );

		tuidback = ctype->Mapping();

		ctype->SetMapping(KUidContactFieldNone);//contain now should ignore mapping

		allUids = EFalse;

		for(TInt k = 0; k < viewLength; ++k)

			{	

			if( ctype->ContainsFieldType( aView[k] ) )

				{

				allUids = ETrue;

				break;

				}

			}

		ctype->SetMapping(tuidback);

		if(allUids)

			{

			return i;

			}

		}

	return KErrNotFound;

	}

/**adds a pair of existing uids, in every possible combination, to aView, 

aView is reset before the pair are added to aview.if aMany is greater than one, more than a pair

of uids are added but not in every possible combination*/		

void CViewDefBase::AddMultipleUidsL( CContactItemViewDef &aView, TInt &aPos, const TInt &aMany )

	{

	static TInt lastPlace = 0;

	const static TInt count = iExistingUidsArray->Count();	

	aView.Reset();

	aView.AddL( TUid::Uid( (*iExistingUidsArray)[aPos] ) );

	for(TInt i = 0; (lastPlace < count) && (i < aMany); ++lastPlace, ++i)

		{

		if(lastPlace == aPos || ((*iExistingUidsArray)[lastPlace] == 0) )

			{

			--i;

			continue;

			}

		aView.AddL( TUid::Uid( (*iExistingUidsArray)[lastPlace] ) );

		}

	if( lastPlace == count )

		{

		lastPlace = 0;

		++aPos;//this should never equal count

		_LIT(KNext,"next %d");

		INFO_PRINTF2(KNext, aPos);

		if( (aPos < count) && ((*iExistingUidsArray)[aPos] == 0) )

			{

			++aPos;

			}

		}

	}