sc/source/ui/docshell/documentlinkmgr.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 <documentlinkmgr.hxx>
  21 #include <datastream.hxx>
  22 #include <ddelink.hxx>
  23 #include <sc.hrc>
  24 #include <scresid.hxx>
  25
  26 #include <sfx2/linkmgr.hxx>
  27 #include <vcl/layout.hxx>
  28
  29 #include <boost/noncopyable.hpp>
  30 #include <boost/scoped_ptr.hpp>
  31
  32 namespace sc {
  33
  34 struct DocumentLinkManagerImpl : boost::noncopyable
  35 {
  36     ScDocument& mrDoc;
  37     SfxObjectShell* mpShell;
  38     boost::scoped_ptr<DataStream> mpDataStream;
  39     boost::scoped_ptr<sfx2::LinkManager> mpLinkManager;
  40
  41     DocumentLinkManagerImpl( ScDocument& rDoc, SfxObjectShell* pShell ) :
  42         mrDoc(rDoc), mpShell(pShell), mpDataStream(NULL), mpLinkManager(NULL) {}
  43
  44     ~DocumentLinkManagerImpl()
  45     {
  46         // Shared base links
  47         if (mpLinkManager)
  48         {
  49             sfx2::SvLinkSources aTemp = mpLinkManager->GetServers();
  50             for (sfx2::SvLinkSources::const_iterator it = aTemp.begin(); it != aTemp.end(); ++it)
  51                 (*it)->Closed();
  52
  53             if (!mpLinkManager->GetLinks().empty())
  54                 mpLinkManager->Remove(0, mpLinkManager->GetLinks().size());
  55         }
  56     }
  57 };
  58
  59 DocumentLinkManager::DocumentLinkManager( ScDocument& rDoc, SfxObjectShell* pShell ) :
  60     mpImpl(new DocumentLinkManagerImpl(rDoc, pShell)) {}
  61
  62 DocumentLinkManager::~DocumentLinkManager()
  63 {
  64     delete mpImpl;
  65 }
  66
  67 void DocumentLinkManager::setDataStream( DataStream* p )
  68 {
  69     mpImpl->mpDataStream.reset(p);
  70 }
  71
  72 DataStream* DocumentLinkManager::getDataStream()
  73 {
  74     return mpImpl->mpDataStream.get();
  75 }
  76
  77 const DataStream* DocumentLinkManager::getDataStream() const
  78 {
  79     return mpImpl->mpDataStream.get();
  80 }
  81
  82 sfx2::LinkManager* DocumentLinkManager::getLinkManager( bool bCreate )
  83 {
  84     if (!mpImpl->mpLinkManager && bCreate && mpImpl->mpShell)
  85         mpImpl->mpLinkManager.reset(new sfx2::LinkManager(mpImpl->mpShell));
  86     return mpImpl->mpLinkManager.get();
  87 }
  88
  89 const sfx2::LinkManager* DocumentLinkManager::getExistingLinkManager() const
  90 {
  91     return mpImpl->mpLinkManager.get();
  92 }
  93
  94 bool DocumentLinkManager::idleCheckLinks()
  95 {
  96     if (!mpImpl->mpLinkManager)
  97         return false;
  98
  99     bool bAnyLeft = false;
 100     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 101     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 102     {
 103         sfx2::SvBaseLink* pBase = *rLinks[i];
 104         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 105         if (!pDdeLink || !pDdeLink->NeedsUpdate())
 106             continue;
 107
 108         pDdeLink->TryUpdate();
 109         if (pDdeLink->NeedsUpdate()) // Was not successful?
 110             bAnyLeft = true;
 111     }
 112
 113     return bAnyLeft;
 114 }
 115
 116 bool DocumentLinkManager::hasDdeLinks() const
 117 {
 118     if (!mpImpl->mpLinkManager)
 119         return false;
 120
 121     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 122     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 123     {
 124         sfx2::SvBaseLink* pBase = *rLinks[i];
 125         if (dynamic_cast<ScDdeLink*>(pBase))
 126             return true;
 127     }
 128
 129     return false;
 130 }
 131
 132 bool DocumentLinkManager::updateDdeLinks( vcl::Window* pWin )
 133 {
 134     if (!mpImpl->mpLinkManager)
 135         return false;
 136
 137     sfx2::LinkManager* pMgr = mpImpl->mpLinkManager.get();
 138     const sfx2::SvBaseLinks& rLinks = pMgr->GetLinks();
 139
 140     // If the update takes longer, reset all values so that nothing
 141     // old (wrong) is left behind
 142     bool bAny = false;
 143     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 144     {
 145         sfx2::SvBaseLink* pBase = *rLinks[i];
 146         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 147         if (!pDdeLink)
 148             continue;
 149
 150         if (pDdeLink->Update())
 151             bAny = true;
 152         else
 153         {
 154             // Update failed.  Notify the user.
 155             OUString aFile = pDdeLink->GetTopic();
 156             OUString aElem = pDdeLink->GetItem();
 157             OUString aType = pDdeLink->GetAppl();
 158
 159             OUStringBuffer aBuf;
 160             aBuf.append(OUString(ScResId(SCSTR_DDEDOC_NOT_LOADED)));
 161             aBuf.appendAscii("\n\n");
 162             aBuf.appendAscii("Source : ");
 163             aBuf.append(aFile);
 164             aBuf.appendAscii("\nElement : ");
 165             aBuf.append(aElem);
 166             aBuf.appendAscii("\nType : ");
 167             aBuf.append(aType);
 168             ScopedVclPtrInstance< MessageDialog > aBox(pWin, aBuf.makeStringAndClear());
 169             aBox->Execute();
 170         }
 171     }
 172
 173     pMgr->CloseCachedComps();
 174
 175     return bAny;
 176 }
 177
 178 bool DocumentLinkManager::updateDdeLink( const OUString& rAppl, const OUString& rTopic, const OUString& rItem )
 179 {
 180     if (!mpImpl->mpLinkManager)
 181         return false;
 182
 183     sfx2::LinkManager* pMgr = mpImpl->mpLinkManager.get();
 184     const sfx2::SvBaseLinks& rLinks = pMgr->GetLinks();
 185
 186     bool bFound = false;
 187     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 188     {
 189         ::sfx2::SvBaseLink* pBase = *rLinks[i];
 190         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 191         if (!pDdeLink)
 192             continue;
 193
 194         if ( OUString(pDdeLink->GetAppl()) == rAppl &&
 195              OUString(pDdeLink->GetTopic()) == rTopic &&
 196              OUString(pDdeLink->GetItem()) == rItem )
 197         {
 198             pDdeLink->TryUpdate();
 199             bFound = true; // Could be multiple (Mode), so continue searching
 200         }
 201     }
 202
 203     return bFound;
 204 }
 205
 206 size_t DocumentLinkManager::getDdeLinkCount() const
 207 {
 208     if (!mpImpl->mpLinkManager)
 209         return 0;
 210
 211     size_t nDdeCount = 0;
 212     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 213     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 214     {
 215         ::sfx2::SvBaseLink* pBase = *rLinks[i];
 216         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 217         if (!pDdeLink)
 218             continue;
 219
 220         ++nDdeCount;
 221     }
 222
 223     return nDdeCount;
 224 }
 225
 226 void DocumentLinkManager::disconnectDdeLinks()
 227 {
 228     if (!mpImpl->mpLinkManager)
 229         return;
 230
 231     const sfx2::SvBaseLinks& rLinks = mpImpl->mpLinkManager->GetLinks();
 232     for (size_t i = 0, n = rLinks.size(); i < n; ++i)
 233     {
 234         ::sfx2::SvBaseLink* pBase = *rLinks[i];
 235         ScDdeLink* pDdeLink = dynamic_cast<ScDdeLink*>(pBase);
 236         if (pDdeLink)
 237             pDdeLink->Disconnect();
 238     }
 239 }
 240
 241 }
 242
 243 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */