1 files changed, 230 insertions, 0 deletions
diff --git a/sc/source/ui/undo/areasave.cxx b/sc/source/ui/undo/areasave.cxx
new file mode 100644
index 000000000000..8f5ce350b887
--- /dev/null
+++ b/sc/source/ui/undo/areasave.cxx
@@ -0,0 +1,230 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+// MARKER(update_precomp.py): autogen include statement, do not remove
+#include "precompiled_sc.hxx"
+
+// -----------------------------------------------------------------------
+
+
+
+// INCLUDE ---------------------------------------------------------------
+
+#include <sfx2/linkmgr.hxx>
+#include <tools/debug.hxx>
+
+#include "areasave.hxx"
+#include "arealink.hxx"
+#include "document.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
+{
+}
+
+ScAreaLinkSaver::ScAreaLinkSaver( const ScAreaLinkSaver& rCopy ) :
+    ScDataObject(),
+    aFileName   ( rCopy.aFileName ),
+    aFilterName ( rCopy.aFilterName ),
+    aOptions    ( rCopy.aOptions ),
+    aSourceArea ( rCopy.aSourceArea ),
+    aDestArea   ( rCopy.aDestArea ),
+    nRefresh    ( rCopy.nRefresh )
+{
+}
+
+ScAreaLinkSaver::~ScAreaLinkSaver()
+{
+}
+
+ScDataObject*   ScAreaLinkSaver::Clone() const
+{
+    return new ScAreaLinkSaver( *this );
+}
+
+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 ) const
+{
+    // (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 );
+        pLinkManager->InsertFileLink( *pLink, OBJECT_CLIENT_FILE, aFileName, &aFilterName, &aSourceArea );
+        pLink->Update();
+        pLink->SetInCreate( FALSE );
+    }
+}
+
+// -----------------------------------------------------------------------
+
+ScAreaLinkSaveCollection::ScAreaLinkSaveCollection()
+{
+}
+
+ScAreaLinkSaveCollection::ScAreaLinkSaveCollection( const ScAreaLinkSaveCollection& rCopy ) :
+    ScCollection( rCopy )
+{
+}
+
+ScAreaLinkSaveCollection::~ScAreaLinkSaveCollection()
+{
+}
+
+ScDataObject*   ScAreaLinkSaveCollection::Clone() const
+{
+    return new ScAreaLinkSaveCollection( *this );
+}
+
+BOOL ScAreaLinkSaveCollection::IsEqual( const ScDocument* pDoc ) const
+{
+    // IsEqual can be checked in sequence.
+    // Neither ref-update nor removing links will change the order.
+
+    sfx2::LinkManager* pLinkManager = const_cast<ScDocument*>(pDoc)->GetLinkManager();
+    if (pLinkManager)
+    {
+        USHORT nPos = 0;
+        const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
+        USHORT nLinkCount = rLinks.Count();
+        for (USHORT i=0; i<nLinkCount; i++)
+        {
+            ::sfx2::SvBaseLink* pBase = *rLinks[i];
+            if (pBase->ISA(ScAreaLink))
+            {
+                if ( nPos >= GetCount() || !(*this)[nPos]->IsEqual( *(ScAreaLink*)pBase ) )
+                    return FALSE;
+
+                ++nPos;
+            }
+        }
+        if ( nPos < GetCount() )
+            return FALSE;           // fewer links in the document than in the save collection
+    }
+
+    return TRUE;
+}
+
+ScAreaLink* lcl_FindLink( const ::sfx2::SvBaseLinks& rLinks, const ScAreaLinkSaver& rSaver )
+{
+    USHORT nLinkCount = rLinks.Count();
+    for (USHORT i=0; i<nLinkCount; i++)
+    {
+        ::sfx2::SvBaseLink* pBase = *rLinks[i];
+        if ( pBase->ISA(ScAreaLink) &&
+             rSaver.IsEqualSource( *static_cast<ScAreaLink*>(pBase) ) )
+        {
+            return static_cast<ScAreaLink*>(pBase);     // found
+        }
+    }
+    return NULL;    // not found
+}
+
+void ScAreaLinkSaveCollection::Restore( ScDocument* pDoc ) const
+{
+    // 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->GetLinkManager();
+    if (pLinkManager)
+    {
+        const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
+        USHORT nSaveCount = GetCount();
+        for (USHORT nPos=0; nPos<nSaveCount; nPos++)
+        {
+            ScAreaLinkSaver* pSaver = (*this)[nPos];
+            ScAreaLink* pLink = lcl_FindLink( rLinks, *pSaver );
+            if ( pLink )
+                pSaver->WriteToLink( *pLink );          // restore output position
+            else
+                pSaver->InsertNewLink( pDoc );          // re-insert deleted link
+        }
+    }
+}
+
+// static
+ScAreaLinkSaveCollection* ScAreaLinkSaveCollection::CreateFromDoc( const ScDocument* pDoc )
+{
+    ScAreaLinkSaveCollection* pColl = NULL;
+
+    sfx2::LinkManager* pLinkManager = const_cast<ScDocument*>(pDoc)->GetLinkManager();
+    if (pLinkManager)
+    {
+        const ::sfx2::SvBaseLinks& rLinks = pLinkManager->GetLinks();
+        USHORT nLinkCount = rLinks.Count();
+        for (USHORT i=0; i<nLinkCount; i++)
+        {
+            ::sfx2::SvBaseLink* pBase = *rLinks[i];
+            if (pBase->ISA(ScAreaLink))
+            {
+                if (!pColl)
+                    pColl = new ScAreaLinkSaveCollection;
+
+                ScAreaLinkSaver* pSaver = new ScAreaLinkSaver( *(ScAreaLink*)pBase );
+                if (!pColl->Insert(pSaver))
+                    delete pSaver;
+            }
+        }
+    }
+
+    return pColl;
+}
+