sl@0: /*
sl@0: * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include <e32std.h>
sl@0: 
sl@0: #include <s32strm.h>
sl@0: #include "FLDBLTIN.H"
sl@0: #include "FLDDEF.H"
sl@0: #include "FLDNUMS.H"
sl@0: 
sl@0: #include "FLDSTD.H"
sl@0: _LIT(KFormatString,"%D%M%Y%/0%1%/1%2%/2%3%/3");
sl@0: 
sl@0: #define UNUSED_VAR(a) a = a
sl@0: 
sl@0: //////////////////////////////////////
sl@0: // The built-in fields
sl@0: //////////////////////////////////////
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C CDateTimeField::CDateTimeField()
sl@0: 	: iFormatString(KFormatString)
sl@0: /** The default C++ constructor initialises the object's date/time format string 
sl@0: to %D%M%Y%/0%1%/1%2%/2%3%/3. This produces fields in the format "31/05/2000" 
sl@0: (with no time component, and using the current locale's date separators). */
sl@0: 	{}
sl@0: 
sl@0: 
sl@0:  
sl@0: 	
sl@0: EXPORT_C void CDateTimeField::SetFormat(const TDesC& aFormat)
sl@0: /** Sets the date/time format string. For information on the format string, see 
sl@0: the documentation of TTime::FormatL().
sl@0: 
sl@0: @param aFormat The new date/time format string. */
sl@0: 	{iFormatString = aFormat;}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C const TDesC& CDateTimeField::FormatString()const
sl@0: /** Gets the field's date/time format string.
sl@0: 
sl@0: @return The date/time format string. */
sl@0: 	{return iFormatString;}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C TInt CDateTimeField::Value(TPtr& aValueText)
sl@0: /** Gets the current local date/time, then formats it according to the field's format 
sl@0: string. aValueText is set to the formatted date/time string if the buffer 
sl@0: is large enough to contain it. If not, the function returns the length which 
sl@0: is required to contain the formatted date/time string.
sl@0: 
sl@0: @param aValueText Descriptor which on return contains the current date/time, 
sl@0: formatted according to the format string. 
sl@0: @return Zero if aValueText is long enough to hold the formatted local date/time string. 
sl@0: Otherwise, the length of the buffer which is required to hold the string. */
sl@0: 	{
sl@0: 	TBuf<80> buf; // temporary solution!!!
sl@0: 	TTime time;
sl@0: 	time.HomeTime();
sl@0: 	TRAPD(error,time.FormatL(buf,iFormatString));
sl@0:     UNUSED_VAR(error);
sl@0: 	if (aValueText.MaxLength() < buf.Length())
sl@0: 		return buf.Length();
sl@0: 	else 
sl@0: 		{
sl@0: 		aValueText = buf;
sl@0: 		return 0;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C  void CDateTimeField::ExternalizeL(RWriteStream& aStream)const
sl@0: // stream the formatting
sl@0: /** Externalises the format string to a write stream. The presence of this function 
sl@0: means that the standard templated operator<<() (defined in s32strm.h) is available 
sl@0: to externalise objects of this class.
sl@0: 
sl@0: @param aStream Stream to which the format string should be externalised. */
sl@0: 	{
sl@0: 	TBuf8<64> format; 
sl@0: 	format.Copy(iFormatString);
sl@0: 	TInt len = format.Length();
sl@0: 	aStream.WriteInt32L(len);
sl@0: 	aStream.WriteL(format,len);
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C void CDateTimeField::InternalizeL(RReadStream& aStream)
sl@0: // stream the formatting
sl@0: /** Internalises the format string from a read stream. The presence of this function 
sl@0: means that the standard templated operator>>() (defined in s32strm.h) is available 
sl@0: to internalise objects of this class.
sl@0: 
sl@0: @param aStream Stream from which the format string should be internalised. */
sl@0: 	{
sl@0: 	TInt len = aStream.ReadInt32L();
sl@0: 	TBuf8<64> narrowFormat;
sl@0: 	aStream.ReadL(narrowFormat,len);
sl@0: 	iFormatString.Copy(narrowFormat);
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: EXPORT_C TUid CDateTimeField::Type()const
sl@0: /** Gets the field's type UID.
sl@0: 
sl@0: @return KDateTimeFieldUid. */
sl@0: 	{return KDateTimeFieldUid;}
sl@0: 
sl@0: // CPageFieldBase
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C void CPageFieldBase::InternalizeL(RReadStream& aStream)
sl@0: /** Internalises the numeric style value from a read stream. The presence of this 
sl@0: function means that the standard templated operator>>() (defined in s32strm.h) 
sl@0: is available to internalise objects of this class.
sl@0: 
sl@0: @param aStream Stream from which the numeric style should be internalised. */
sl@0: 	{
sl@0: 	iStyle = (TNumberStyle)aStream.ReadInt8L();
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C void CPageFieldBase::ExternalizeL(RWriteStream& aStream)const
sl@0: /** Externalises the numeric style value to a write stream. The presence of this 
sl@0: function means that the standard templated operator<<() (defined in s32strm.h) 
sl@0: is available to externalise objects of this class.
sl@0: 
sl@0: @param aStream Stream to which the numeric style should be externalised. */
sl@0: 	{
sl@0: 	aStream.WriteInt8L(iStyle);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: TInt CPageFieldBase::InsertValue(TPtr& aValueText,TInt aValue)
sl@0: 	{
sl@0: 	TInt chars=0;
sl@0: 	switch(iStyle)
sl@0: 		{
sl@0: 		case EArabic:
sl@0: 			{
sl@0: 			TArabicNumeral arabic;
sl@0: 			chars = arabic.DeneryToChar(aValueText,aValue);
sl@0: 			break;
sl@0: 			}
sl@0: 		case ERomanUpper:
sl@0: 			{
sl@0: 			TRomanNumeral romanU;
sl@0: 			chars = romanU.DeneryToChar(aValueText,aValue);
sl@0: 			aValueText.UpperCase();
sl@0: 			break;
sl@0: 			}
sl@0: 		case ERomanLower:
sl@0: 			{
sl@0: 			TRomanNumeral romanL;
sl@0: 			chars = romanL.DeneryToChar(aValueText,aValue);
sl@0: 			aValueText.LowerCase();
sl@0: 			break;
sl@0: 			}
sl@0: 		case EAlphabeticUpper:
sl@0: 			{
sl@0: 			TAlphabeticNumeral alphaU;
sl@0: 			chars = alphaU.DeneryToChar(aValueText,aValue);
sl@0: 			aValueText.UpperCase();
sl@0: 			break;
sl@0: 			}
sl@0: 		case EAlphabeticLower:
sl@0: 			{
sl@0: 			TAlphabeticNumeral alphaL;
sl@0: 			chars = alphaL.DeneryToChar(aValueText,aValue);
sl@0: 			aValueText.LowerCase();
sl@0: 			break;
sl@0: 			}
sl@0: 		default:
sl@0: 			{
sl@0: 			chars = KErrGeneral;
sl@0: 			break;
sl@0: 			}
sl@0: 		}
sl@0: 	return chars;
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C CPageFieldBase::TNumberStyle CPageFieldBase::NumberStyle()const
sl@0: /** Gets the numeric style.
sl@0: 
sl@0: @return The numeric style. */
sl@0: 	{return iStyle;}
sl@0: 
sl@0: 
sl@0: // CPageNumField
sl@0: 
sl@0:  
sl@0: EXPORT_C TInt CPageNumField::Value(TPtr& aValueText)
sl@0: /** Gets the current page number, by calling UpdateFieldPageNum() (implemented 
sl@0: by the object passed to the field using SetPageNumInfo()).
sl@0: 
sl@0: Notes
sl@0: 
sl@0: SetPageNumInfo() must have been called beforehand, or a panic occurs.
sl@0: 
sl@0: The text object should support pagination and pagination should have occurred 
sl@0: before evaluating the field.
sl@0: 
sl@0: @param aValueText Descriptor which on return contains the current page number, 
sl@0: converted into the appropriate style, as set by CPageFieldBase::SetNumberStyle(). 
sl@0: 
sl@0: @return Zero if aValueText is long enough to hold the string. Otherwise, the 
sl@0: length of the buffer which is required to hold the string. */
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(iPageNumInfo,Panic(ENoMFieldPageNumInfo));
sl@0: 	//
sl@0: 	return InsertValue(aValueText,iPageNumInfo->UpdateFieldPageNum());
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: EXPORT_C TUid CPageNumField::Type()const
sl@0: /** Gets the field's type UID.
sl@0: 
sl@0: @return KPageNumberFieldUid. */
sl@0: 	{return KPageNumberFieldUid;}
sl@0: 
sl@0: 
sl@0: // CNumPagesField
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C TInt CNumPagesField::Value(TPtr& aValueText)
sl@0: /** Gets the total number of pages in the document, by calling UpdateFieldNumPages() 
sl@0: (implemented by the object passed to the field using SetNumPagesInfo()).
sl@0: 
sl@0: Notes
sl@0: 
sl@0: SetNumPagesInfo() must have been called beforehand, or a panic occurs.
sl@0: 
sl@0: The text object should support pagination and pagination should have occurred 
sl@0: before evaluating the field.
sl@0: 
sl@0: @param aValueText Descriptor which on return contains the number of pages 
sl@0: in the document, converted into the appropriate style, as set by CPageFieldBase::SetNumberStyle(). 
sl@0: 
sl@0: @return Zero if aValueText is long enough to hold the string. Otherwise, the 
sl@0: length of the buffer which is required to hold the string. */
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(iNumPagesInfo,Panic(ENoMFieldNumPagesInfo));
sl@0: 	//
sl@0: 	return InsertValue(aValueText,iNumPagesInfo->UpdateFieldNumPages());
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: EXPORT_C TUid CNumPagesField::Type()const
sl@0: /** Gets the field's type UID.
sl@0: 
sl@0: @return KNumPagesFieldUid. */
sl@0: 	{return KNumPagesFieldUid;}
sl@0: 
sl@0: 
sl@0: // CFileNameField
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C TStreamId CFileNameField::StoreL(CStreamStore& /*aStore*/)const
sl@0: // Replace base method, since this class has NO persistent representation.
sl@0: //
sl@0: 	{return KNullStreamId;}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C void CFileNameField::RestoreL(const CStreamStore& /*aStore*/,TStreamId /*aId*/)
sl@0: // Replace base method, since this class has NO persistent representation.
sl@0: //
sl@0: 	{return;}
sl@0: 
sl@0: 
sl@0:  
sl@0: 
sl@0: EXPORT_C TInt CFileNameField::Value(TPtr& aValueText)
sl@0: /** Gets the document's filename, by calling UpdateFieldFileName() (implemented 
sl@0: by the object passed to the filename field using SetFileNameInfo()).
sl@0: 
sl@0: Note
sl@0: 
sl@0: SetFileNameInfo() must have been called beforehand, or a panic occurs.
sl@0: 
sl@0: @param aValueText Descriptor which on return contains the document's filename. 
sl@0: 
sl@0: @return Zero if aValueText is long enough to hold the filename. Otherwise, 
sl@0: the length of the buffer which is required to hold the filename. */
sl@0: 	{
sl@0: 	__ASSERT_ALWAYS(iFileNameInfo,Panic(ENoMFieldFileNameInfo));
sl@0: 
sl@0: 	return iFileNameInfo->UpdateFieldFileName(aValueText);
sl@0: 	}
sl@0: 
sl@0: 
sl@0:  
sl@0: EXPORT_C TUid CFileNameField::Type()const
sl@0: /** Gets the field's type UID.
sl@0: 
sl@0: @return KFileNameFieldUid. */
sl@0: 	{return KFileNameFieldUid;}