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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 <sfx2/linkmgr.hxx>
#include <areasave.hxx>
#include <arealink.hxx>
#include <document.hxx>
#include <documentlinkmgr.hxx>
ScAreaLinkSaver::ScAreaLinkSaver( const ScAreaLink& rSource ) :
aFileName ( rSource.GetFile() ),
aFilterName ( rSource.GetFilter() ),
aOptions ( rSource.GetOptions() ),
aSourceArea ( rSource.GetSource() ),
aDestArea ( rSource.GetDestArea() ),
nRefresh ( rSource.GetRefreshDelay() ) // seconds
{
}
bool ScAreaLinkSaver::IsEqualSource( const ScAreaLink& rCompare ) const
{
return ( aFileName == rCompare.GetFile() &&
aFilterName == rCompare.GetFilter() &&
aOptions == rCompare.GetOptions() &&
aSourceArea == rCompare.GetSource() &&
nRefresh == rCompare.GetRefreshDelay() );
}
bool ScAreaLinkSaver::IsEqual( const ScAreaLink& rCompare ) const
{
return ( IsEqualSource( rCompare ) &&
aDestArea == rCompare.GetDestArea() );
}
void ScAreaLinkSaver::WriteToLink( ScAreaLink& rLink ) const
{
rLink.SetDestArea( aDestArea );
}
void ScAreaLinkSaver::InsertNewLink( ScDocument* pDoc )
{
// (see ScUndoRemoveAreaLink::Undo)
sfx2::LinkManager* pLinkManager = pDoc->GetLinkManager();
SfxObjectShell* pObjSh = pDoc->GetDocumentShell();
if ( pLinkManager && pObjSh )
{
ScAreaLink* pLink = new ScAreaLink( pObjSh, aFileName, aFilterName, aOptions,
aSourceArea, aDestArea.aStart, nRefresh );
pLink->SetInCreate( true );
pLink->SetDestArea( aDestArea );
OUString aTmp1(aFilterName), aTmp2(aSourceArea);
pLinkManager->InsertFileLink( *pLink, sfx2::SvBaseLinkObjectType::ClientFile, aFileName, &aTmp1, &aTmp2 );
pLink->Update();
pLink->SetInCreate( false );
}
}
ScAreaLinkSaveCollection::ScAreaLinkSaveCollection() {}
ScAreaLinkSaveCollection::~ScAreaLinkSaveCollection() {}
bool ScAreaLinkSaveCollection::IsEqual( const ScDocument* pDoc ) const
{
// IsEqual can be checked in sequence.
// Neither ref-update nor removing links will change the order.
const sfx2::LinkManager* pLinkManager = pDoc->GetLinkManager();
if (pLinkManager)
{
size_t nPos = 0;
const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
sal_uInt16 nLinkCount = rLinks.size();
for (sal_uInt16 i=0; i<nLinkCount; i++)
{
::sfx2::SvBaseLink* pBase = rLinks[i].get();
if (dynamic_cast<const ScAreaLink*>( pBase) != nullptr)
{
if ( nPos >= size() || !(*this)[nPos].IsEqual( *static_cast<ScAreaLink*>(pBase) ) )
return false;
++nPos;
}
}
if ( nPos < size() )
return false; // fewer links in the document than in the save collection
}
return true;
}
static ScAreaLink* lcl_FindLink( const ::sfx2::SvBaseLinks& rLinks, const ScAreaLinkSaver& rSaver )
{
sal_uInt16 nLinkCount = rLinks.size();
for (sal_uInt16 i=0; i<nLinkCount; i++)
{
::sfx2::SvBaseLink* pBase = rLinks[i].get();
if ( dynamic_cast<const ScAreaLink*>( pBase) != nullptr &&
rSaver.IsEqualSource( *static_cast<ScAreaLink*>(pBase) ) )
{
return static_cast<ScAreaLink*>(pBase); // found
}
}
return nullptr; // not found
}
void ScAreaLinkSaveCollection::Restore( ScDocument* pDoc )
{
// The save collection may contain additional entries that are not in the document.
// They must be inserted again.
// Entries from the save collection must be searched via source data, as the order
// of links changes if deleted entries are re-added to the link manager (always at the end).
sfx2::LinkManager* pLinkManager = pDoc->GetDocLinkManager().getLinkManager(false);
if (pLinkManager)
{
const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
size_t nSaveCount = size();
for (size_t nPos=0; nPos<nSaveCount; ++nPos)
{
ScAreaLinkSaver& rSaver = (*this)[nPos];
ScAreaLink* pLink = lcl_FindLink( rLinks, rSaver );
if ( pLink )
rSaver.WriteToLink( *pLink ); // restore output position
else
rSaver.InsertNewLink( pDoc ); // re-insert deleted link
}
}
}
std::unique_ptr<ScAreaLinkSaveCollection> ScAreaLinkSaveCollection::CreateFromDoc( const ScDocument* pDoc )
{
std::unique_ptr<ScAreaLinkSaveCollection> pColl;
sfx2::LinkManager* pLinkManager = const_cast<ScDocument*>(pDoc)->GetLinkManager();
if (pLinkManager)
{
const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
sal_uInt16 nLinkCount = rLinks.size();
for (sal_uInt16 i=0; i<nLinkCount; i++)
{
::sfx2::SvBaseLink* pBase = rLinks[i].get();
if (dynamic_cast<const ScAreaLink*>( pBase) != nullptr)
{
if (!pColl)
pColl.reset(new ScAreaLinkSaveCollection);
pColl->push_back( ScAreaLinkSaver( *static_cast<ScAreaLink*>(pBase ) ) );
}
}
}
return pColl;
}
ScAreaLinkSaver& ScAreaLinkSaveCollection::operator [](size_t nIndex)
{
return maData[nIndex];
}
const ScAreaLinkSaver& ScAreaLinkSaveCollection::operator [](size_t nIndex) const
{
return maData[nIndex];
}
size_t ScAreaLinkSaveCollection::size() const
{
return maData.size();
}
void ScAreaLinkSaveCollection::push_back(const ScAreaLinkSaver& p)
{
maData.push_back(p);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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