/** Allocates and constructs a CViewContactExtension object

 * @param aLength initial MaxLenght of a contact buffer.*/

CViewContactExtension* CViewContactExtension::NewL(TInt aLength)

	{

	CViewContactExtension* extension=new(ELeave)CViewContactExtension();

	CleanupStack::PushL(extension);

	extension->ConstructL(aLength);

	CleanupStack::Pop(extension);

	return extension;	

	}

/**

 * Second phase constructor.

 * @param aLength initial MaxLenght of a contact buffer.

 */

void CViewContactExtension::ConstructL(TInt aLength)

	{

	if (aLength > 0) 

		{

		iFieldTextBuf = HBufC::NewL(aLength);

		}

	}

/**

 * Default constructor

 */

CViewContactExtension::CViewContactExtension()

: iFieldTextBuf(NULL)

	{

	}

/**

 * Destructor

 */

CViewContactExtension::~CViewContactExtension()

	{

	delete iFieldTextBuf;

	}

/**

 * Append the specified field data to any existing field data

 *

 * @param aField Field data

 */

void CViewContactExtension::AppendToFieldTextL(const TDesC& aField)

	{

	const TInt fieldLength = aField.Length();

	if (fieldLength > 0)

		{

		if	(!iFieldTextBuf)

			{

			iFieldTextBuf = aField.AllocL();

			}

		else

			{

			const TInt length      = iFieldTextBuf->Length();

			const TInt maxLength   = iFieldTextBuf->Des().MaxLength();

			if (length + fieldLength > maxLength)

				{

				iFieldTextBuf = iFieldTextBuf->ReAllocL(length + fieldLength);

				}

			iFieldTextBuf->Des().Append(aField);

			}

		}

	}