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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#include <modeltoviewhelper.hxx>
/** Converts a model position into a view position
*/
sal_uInt32 ModelToViewHelper::ConvertToViewPosition( sal_uInt32 nModelPos ) const
{
sal_uInt32 nRet = nModelPos;
// Search for entry after nPos:
ConversionMap::const_iterator aIter;
for ( aIter = m_aMap.begin(); aIter != m_aMap.end(); ++aIter )
{
if ( (*aIter).first >= nModelPos )
{
const sal_uInt32 nPosModel = (*aIter).first;
const sal_uInt32 nPosExpand = (*aIter).second;
const sal_uInt32 nDistToNextModel = nPosModel - nModelPos;
nRet = nPosExpand - nDistToNextModel;
break;
}
}
return nRet;
}
/** Converts a view position into a model position
*/
ModelToViewHelper::ModelPosition ModelToViewHelper::ConvertToModelPosition( sal_uInt32 nViewPos ) const
{
ModelPosition aRet;
aRet.mnPos = nViewPos;
// Search for entry after nPos:
ConversionMap::const_iterator aIter;
for ( aIter = m_aMap.begin(); aIter != m_aMap.end(); ++aIter )
{
if ( (*aIter).second > nViewPos )
{
const sal_uInt32 nPosModel = (*aIter).first;
const sal_uInt32 nPosExpand = (*aIter).second;
// If nViewPos is in front of first field, we are finished.
if ( aIter == m_aMap.begin() )
break;
--aIter;
// nPrevPosModel is the field position
const sal_uInt32 nPrevPosModel = (*aIter).first;
const sal_uInt32 nPrevPosExpand = (*aIter).second;
const sal_uInt32 nLengthModel = nPosModel - nPrevPosModel;
const sal_uInt32 nLengthExpand = nPosExpand - nPrevPosExpand;
const sal_uInt32 nFieldLengthExpand = nLengthExpand - nLengthModel + 1;
const sal_uInt32 nFieldEndExpand = nPrevPosExpand + nFieldLengthExpand;
// Check if nPos is outside of field:
if ( nFieldEndExpand <= nViewPos )
{
// nPos is outside of field:
const sal_uInt32 nDistToField = nViewPos - nFieldEndExpand + 1;
aRet.mnPos = nPrevPosModel + nDistToField;
}
else
{
// nViewPos is inside a field:
aRet.mnPos = nPrevPosModel;
aRet.mnSubPos = nViewPos - nPrevPosExpand;
aRet.mbIsField = true;
}
break;
}
}
return aRet;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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