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: #include <e32std.h>
sl@0: #include <bacell.h>
sl@0: 
sl@0: EXPORT_C TCellRef operator+(const TCellRef& aLeft,const TCellRef& aRight)
sl@0: 	{
sl@0: 	return TCellRef(aLeft.iRow+aRight.iRow,aLeft.iCol+aRight.iCol);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TCellRef operator-(const TCellRef& aLeft,const TCellRef& aRight)
sl@0: 	{
sl@0: 	return TCellRef(aLeft.iRow-aRight.iRow,aLeft.iCol-aRight.iCol);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void TCellRef::Offset(TInt aRowOffset,TInt aColOffset)
sl@0: /** Adds the specified row and column numbers to this cell's row and column values.
sl@0: 
sl@0: @param aRowOffset The row number to be added. The value may be positive, zero 
sl@0: or negative.
sl@0: @param aColOffset The column number to be added. The value may be positive, 
sl@0: zero or negative. */
sl@0: 	{
sl@0: 	iRow += aRowOffset;
sl@0: 	iCol += aColOffset;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void TCellRef::InternalizeL(RReadStream& aStream)
sl@0: /** Internalises an object of this class from a read stream.
sl@0: 
sl@0: The presence of this function means that the standard templated operator>>() 
sl@0: can be used to internalise objects of this class.
sl@0: 
sl@0: Note that the function has assignment semantics. It replaces the old value 
sl@0: of the object with a new value read from the read stream. 
sl@0: 
sl@0: @param aStream Stream from which the object is to be internalised. */
sl@0: 	{
sl@0: 	iRow = aStream.ReadInt32L();
sl@0: 	iCol = aStream.ReadInt32L();
sl@0: 	}
sl@0: 
sl@0: // class TRangeRef
sl@0: 
sl@0: EXPORT_C TBool TRangeRef::operator==(const TRangeRef& aRange) const
sl@0: /** Compares this cell range with the specified cell range for equality.
sl@0: 
sl@0: @param aRange The cell range to be compared.
sl@0: @return ETrue, if the start cells and the end cells are the same. */
sl@0: 	{
sl@0: 	return aRange.iFrom==iFrom && aRange.iTo==iTo;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt TRangeRef::NoCells() const
sl@0: /** Gets the number of cells represented by the range.
sl@0: 
sl@0: @return The number of cells. */
sl@0: 	{
sl@0: 	return NoRows()*NoCols();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TRangeRef::Contains(const TCellRef& aCell) const
sl@0: /** Tests whether the specified cell is contained within the range.
sl@0: 
sl@0: A range includes its outer perimeter.
sl@0: 
sl@0: @param aCell The cell to be tested.
sl@0: @return ETrue, if the specified cell is contained within the range; 
sl@0: EFalse, otherwise. */
sl@0: 	{
sl@0: 	TInt row=aCell.iRow;
sl@0: 	TInt col=aCell.iCol;
sl@0: 	return row>=iFrom.iRow && row<=iTo.iRow && col>=iFrom.iCol && col<=iTo.iCol;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void TRangeRef::InternalizeL(RReadStream& aStream)
sl@0: /** Internalises an object of this class from a read stream.
sl@0: 
sl@0: The presence of this function means that the standard templated operator>>() 
sl@0: can be used to internalise objects of this class.
sl@0: 
sl@0: Note that the function has assignment semantics. It replaces the old value 
sl@0: of the object with a new value read from the read stream. 
sl@0: 
sl@0: @param aStream Stream from which the object is to be internalised. */
sl@0: 	{
sl@0: 	aStream>>iFrom>>iTo;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void TRangeRef::ExternalizeL(RWriteStream& aStream) const
sl@0: /** Externalises an object of this class to a write stream.
sl@0: 
sl@0: The presence of this function means that the standard templated operator<<() 
sl@0: can be used to externalise objects of this class. 
sl@0: 
sl@0: @param aStream Stream to which the object should be externalised. */
sl@0: 	{
sl@0: 	aStream<<iFrom<<iTo; 
sl@0: 	}
sl@0: 
sl@0: // TRangeRef::TIter
sl@0: 
sl@0: EXPORT_C TRangeRef::TIter::TIter(const TRangeRef& aRange)
sl@0: 	: iCurrent(aRange.iFrom),iRange(aRange)
sl@0:     {}
sl@0: 
sl@0: EXPORT_C TBool TRangeRef::TIter::operator++()
sl@0: 	{
sl@0: 	if (iCurrent.iCol<iRange.iTo.iCol)
sl@0: 		{
sl@0: 		++iCurrent.iCol;
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		++iCurrent.iRow;
sl@0: 		iCurrent.iCol = iRange.iFrom.iCol;
sl@0: 		}
sl@0: 	return iCurrent.iRow<=iRange.iFrom.iRow;
sl@0: 	}
sl@0: 
sl@0: 
sl@0: /* End of $Workfile:   bacell.cpp  $*/