sc/source/ui/undo/areasave.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sfx2/linkmgr.hxx>
  21
  22 #include "areasave.hxx"
  23 #include "arealink.hxx"
  24 #include "document.hxx"
  25 #include <documentlinkmgr.hxx>
  26
  27 ScAreaLinkSaver::ScAreaLinkSaver( const ScAreaLink& rSource ) :
  28     aFileName   ( rSource.GetFile() ),
  29     aFilterName ( rSource.GetFilter() ),
  30     aOptions    ( rSource.GetOptions() ),
  31     aSourceArea ( rSource.GetSource() ),
  32     aDestArea   ( rSource.GetDestArea() ),
  33     nRefresh    ( rSource.GetRefreshDelay() )       // seconds
  34 {
  35 }
  36
  37 ScAreaLinkSaver::ScAreaLinkSaver( const ScAreaLinkSaver& rCopy ) :
  38     aFileName   ( rCopy.aFileName ),
  39     aFilterName ( rCopy.aFilterName ),
  40     aOptions    ( rCopy.aOptions ),
  41     aSourceArea ( rCopy.aSourceArea ),
  42     aDestArea   ( rCopy.aDestArea ),
  43     nRefresh    ( rCopy.nRefresh )
  44 {
  45 }
  46
  47 ScAreaLinkSaver::~ScAreaLinkSaver() {}
  48
  49 bool ScAreaLinkSaver::IsEqualSource( const ScAreaLink& rCompare ) const
  50 {
  51     return ( aFileName.equals(rCompare.GetFile()) &&
  52              aFilterName.equals(rCompare.GetFilter()) &&
  53              aOptions.equals(rCompare.GetOptions()) &&
  54              aSourceArea.equals(rCompare.GetSource()) &&
  55              nRefresh == rCompare.GetRefreshDelay() );
  56 }
  57
  58 bool ScAreaLinkSaver::IsEqual( const ScAreaLink& rCompare ) const
  59 {
  60     return ( IsEqualSource( rCompare ) &&
  61              aDestArea == rCompare.GetDestArea() );
  62 }
  63
  64 void ScAreaLinkSaver::WriteToLink( ScAreaLink& rLink ) const
  65 {
  66     rLink.SetDestArea( aDestArea );
  67 }
  68
  69 void ScAreaLinkSaver::InsertNewLink( ScDocument* pDoc )
  70 {
  71     // (see ScUndoRemoveAreaLink::Undo)
  72
  73     sfx2::LinkManager* pLinkManager = pDoc->GetLinkManager();
  74     SfxObjectShell* pObjSh = pDoc->GetDocumentShell();
  75
  76     if ( pLinkManager && pObjSh )
  77     {
  78         ScAreaLink* pLink = new ScAreaLink( pObjSh, aFileName, aFilterName, aOptions,
  79                                             aSourceArea, aDestArea.aStart, nRefresh );
  80         pLink->SetInCreate( true );
  81         pLink->SetDestArea( aDestArea );
  82         OUString aTmp1(aFilterName), aTmp2(aSourceArea);
  83         pLinkManager->InsertFileLink( *pLink, OBJECT_CLIENT_FILE, aFileName, &aTmp1, &aTmp2 );
  84         pLink->Update();
  85         pLink->SetInCreate( false );
  86     }
  87 }
  88
  89 ScAreaLinkSaveCollection::ScAreaLinkSaveCollection() {}
  90
  91 ScAreaLinkSaveCollection::ScAreaLinkSaveCollection( const ScAreaLinkSaveCollection& r ) :
  92     maData(r.maData) {}
  93
  94 ScAreaLinkSaveCollection::~ScAreaLinkSaveCollection() {}
  95
  96 bool ScAreaLinkSaveCollection::IsEqual( const ScDocument* pDoc ) const
  97 {
  98     // IsEqual can be checked in sequence.
  99     // Neither ref-update nor removing links will change the order.
 100
 101     const sfx2::LinkManager* pLinkManager = pDoc->GetLinkManager();
 102     if (pLinkManager)
 103     {
 104         size_t nPos = 0;
 105         const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
 106         sal_uInt16 nLinkCount = rLinks.size();
 107         for (sal_uInt16 i=0; i<nLinkCount; i++)
 108         {
 109             ::sfx2::SvBaseLink* pBase = *rLinks[i];
 110             if (pBase->ISA(ScAreaLink))
 111             {
 112                 if ( nPos >= size() || !(*this)[nPos]->IsEqual( *static_cast<ScAreaLink*>(pBase) ) )
 113                     return false;
 114
 115                 ++nPos;
 116             }
 117         }
 118         if ( nPos < size() )
 119             return false;           // fewer links in the document than in the save collection
 120     }
 121
 122     return true;
 123 }
 124
 125 static ScAreaLink* lcl_FindLink( const ::sfx2::SvBaseLinks& rLinks, const ScAreaLinkSaver& rSaver )
 126 {
 127     sal_uInt16 nLinkCount = rLinks.size();
 128     for (sal_uInt16 i=0; i<nLinkCount; i++)
 129     {
 130         ::sfx2::SvBaseLink* pBase = *rLinks[i];
 131         if ( pBase->ISA(ScAreaLink) &&
 132              rSaver.IsEqualSource( *static_cast<ScAreaLink*>(pBase) ) )
 133         {
 134             return static_cast<ScAreaLink*>(pBase);     // found
 135         }
 136     }
 137     return NULL;    // not found
 138 }
 139
 140 void ScAreaLinkSaveCollection::Restore( ScDocument* pDoc )
 141 {
 142     // The save collection may contain additional entries that are not in the document.
 143     // They must be inserted again.
 144     // Entries from the save collection must be searched via source data, as the order
 145     // of links changes if deleted entries are re-added to the link manager (always at the end).
 146
 147     sfx2::LinkManager* pLinkManager = pDoc->GetDocLinkManager().getLinkManager(false);
 148     if (pLinkManager)
 149     {
 150         const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
 151         size_t nSaveCount = size();
 152         for (size_t nPos=0; nPos<nSaveCount; ++nPos)
 153         {
 154             ScAreaLinkSaver* pSaver = (*this)[nPos];
 155             ScAreaLink* pLink = lcl_FindLink( rLinks, *pSaver );
 156             if ( pLink )
 157                 pSaver->WriteToLink( *pLink );          // restore output position
 158             else
 159                 pSaver->InsertNewLink( pDoc );          // re-insert deleted link
 160         }
 161     }
 162 }
 163
 164 ScAreaLinkSaveCollection* ScAreaLinkSaveCollection::CreateFromDoc( const ScDocument* pDoc )
 165 {
 166     ScAreaLinkSaveCollection* pColl = NULL;
 167
 168     sfx2::LinkManager* pLinkManager = const_cast<ScDocument*>(pDoc)->GetLinkManager();
 169     if (pLinkManager)
 170     {
 171         const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
 172         sal_uInt16 nLinkCount = rLinks.size();
 173         for (sal_uInt16 i=0; i<nLinkCount; i++)
 174         {
 175             ::sfx2::SvBaseLink* pBase = *rLinks[i];
 176             if (pBase->ISA(ScAreaLink))
 177             {
 178                 if (!pColl)
 179                     pColl = new ScAreaLinkSaveCollection;
 180
 181                 ScAreaLinkSaver* pSaver = new ScAreaLinkSaver( *static_cast<ScAreaLink*>(pBase ));
 182                 pColl->push_back(pSaver);
 183             }
 184         }
 185     }
 186
 187     return pColl;
 188 }
 189
 190 ScAreaLinkSaver* ScAreaLinkSaveCollection::operator [](size_t nIndex)
 191 {
 192     return &maData[nIndex];
 193 }
 194
 195 const ScAreaLinkSaver* ScAreaLinkSaveCollection::operator [](size_t nIndex) const
 196 {
 197     return &maData[nIndex];
 198 }
 199
 200 size_t ScAreaLinkSaveCollection::size() const
 201 {
 202     return maData.size();
 203 }
 204
 205 void ScAreaLinkSaveCollection::push_back(ScAreaLinkSaver* p)
 206 {
 207     maData.push_back(p);
 208 }
 209
 210 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */