AOO410/main/sc/source/filter/rtf/expbase.cxx

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 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
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 * software distributed under the License is distributed on an
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 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sc.hxx"




#include "expbase.hxx"
#include "document.hxx"
#include "editutil.hxx"


//------------------------------------------------------------------

#if defined(UNX)
const sal_Char __FAR_DATA ScExportBase::sNewLine = '\012';
#else
const sal_Char __FAR_DATA ScExportBase::sNewLine[] = "\015\012";
#endif


ScExportBase::ScExportBase( SvStream& rStrmP, ScDocument* pDocP,
				const ScRange& rRangeP )
			:
			rStrm( rStrmP ),
			aRange( rRangeP ),
			pDoc( pDocP ),
			pFormatter( pDocP->GetFormatTable() ),
			pEditEngine( NULL )
{
}


ScExportBase::~ScExportBase()
{
	delete pEditEngine;
}


sal_Bool ScExportBase::GetDataArea( SCTAB nTab, SCCOL& nStartCol,
			SCROW& nStartRow, SCCOL& nEndCol, SCROW& nEndRow ) const
{
	pDoc->GetDataStart( nTab, nStartCol, nStartRow );
	pDoc->GetPrintArea( nTab, nEndCol, nEndRow, sal_True );
	return TrimDataArea( nTab, nStartCol, nStartRow, nEndCol, nEndRow );
}


sal_Bool ScExportBase::TrimDataArea( SCTAB nTab, SCCOL& nStartCol,
			SCROW& nStartRow, SCCOL& nEndCol, SCROW& nEndRow ) const
{
    SCCOL nLastCol;
	while ( nStartCol <= nEndCol && pDoc->ColHidden(nStartCol, nTab, nLastCol))
		++nStartCol;
	while ( nStartCol <= nEndCol && pDoc->ColHidden(nEndCol, nTab, nLastCol))
		--nEndCol;
    nStartRow = pDoc->FirstVisibleRow(nStartRow, nEndRow, nTab);
    nEndRow = pDoc->LastVisibleRow(nStartRow, nEndRow, nTab);
    return nStartCol <= nEndCol && nStartRow <= nEndRow && nEndRow !=
        ::std::numeric_limits<SCROW>::max();
}


sal_Bool ScExportBase::IsEmptyTable( SCTAB nTab ) const
{
	if ( !pDoc->HasTable( nTab ) || !pDoc->IsVisible( nTab ) )
		return sal_True;
	SCCOL nStartCol, nEndCol;
	SCROW nStartRow, nEndRow;
	return !GetDataArea( nTab, nStartCol, nStartRow, nEndCol, nEndRow );
}


ScFieldEditEngine& ScExportBase::GetEditEngine() const
{
	if ( !pEditEngine )
		((ScExportBase*)this)->pEditEngine = new ScFieldEditEngine( pDoc->GetEditPool() );
	return *pEditEngine;
}