1 files changed, 127 insertions, 0 deletions
diff --git a/sc/source/filter/oox/excelvbaproject.cxx b/sc/source/filter/oox/excelvbaproject.cxx
new file mode 100644
index 000000000..f143c57c7
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+++ b/sc/source/filter/oox/excelvbaproject.cxx
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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 <excelvbaproject.hxx>
+
+#include <vector>
+#include <set>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/container/XEnumeration.hpp>
+#include <com/sun/star/container/XEnumerationAccess.hpp>
+#include <com/sun/star/frame/XModel.hpp>
+#include <com/sun/star/script/ModuleType.hpp>
+#include <com/sun/star/sheet/XSpreadsheetDocument.hpp>
+#include <oox/helper/propertyset.hxx>
+#include <oox/token/properties.hxx>
+
+namespace oox::xls {
+
+using namespace ::com::sun::star::container;
+using namespace ::com::sun::star::frame;
+using namespace ::com::sun::star::script;
+using namespace ::com::sun::star::sheet;
+using namespace ::com::sun::star::uno;
+
+ExcelVbaProject::ExcelVbaProject( const Reference< XComponentContext >& rxContext, const Reference< XSpreadsheetDocument >& rxDocument ) :
+    ::oox::ole::VbaProject( rxContext, Reference< XModel >( rxDocument, UNO_QUERY ), u"Calc" ),
+    mxDocument( rxDocument )
+{
+}
+
+// protected ------------------------------------------------------------------
+
+namespace {
+
+struct SheetCodeNameInfo
+{
+    PropertySet         maSheetProps;       /// Property set of the sheet without codename.
+    OUString            maPrefix;           /// Prefix for the codename to be generated.
+
+    explicit     SheetCodeNameInfo( const PropertySet& rSheetProps, const OUString& rPrefix ) :
+                            maSheetProps( rSheetProps ), maPrefix( rPrefix ) {}
+};
+
+} // namespace
+
+void ExcelVbaProject::prepareImport()
+{
+    /*  Check if the sheets have imported codenames. Generate new unused
+        codenames if not. */
+    if( !mxDocument.is() )
+        return;
+
+    try
+    {
+        // collect existing codenames (do not use them when creating new codenames)
+        ::std::set< OUString > aUsedCodeNames;
+
+        // collect sheets without codenames
+        ::std::vector< SheetCodeNameInfo >  aCodeNameInfos;
+
+        // iterate over all imported sheets
+        Reference< XEnumerationAccess > xSheetsEA( mxDocument->getSheets(), UNO_QUERY_THROW );
+        Reference< XEnumeration > xSheetsEnum( xSheetsEA->createEnumeration(), UNO_SET_THROW );
+        // own try/catch for every sheet
+        while( xSheetsEnum->hasMoreElements() ) try
+        {
+            PropertySet aSheetProp( xSheetsEnum->nextElement() );
+            OUString aCodeName;
+            aSheetProp.getProperty( aCodeName, PROP_CodeName );
+            if( !aCodeName.isEmpty() )
+            {
+                aUsedCodeNames.insert( aCodeName );
+            }
+            else
+            {
+                // TODO: once we have chart sheets we need a switch/case on sheet type ('SheetNNN' vs. 'ChartNNN')
+                aCodeNameInfos.emplace_back( aSheetProp, "Sheet" );
+            }
+        }
+        catch( Exception& )
+        {
+        }
+
+        // create new codenames if sheets do not have one
+        for (auto & codeName : aCodeNameInfos)
+        {
+            // search for an unused codename
+            sal_Int32 nCounter = 1;
+            OUString aCodeName;
+            do
+            {
+                aCodeName = codeName.maPrefix + OUString::number( nCounter++ );
+            }
+            while( aUsedCodeNames.count( aCodeName ) > 0 );
+            aUsedCodeNames.insert( aCodeName );
+
+            // set codename at sheet
+            codeName.maSheetProps.setProperty( PROP_CodeName, aCodeName );
+
+            // tell base class to create a dummy module
+            addDummyModule( aCodeName, ModuleType::DOCUMENT );
+        }
+    }
+    catch( Exception& )
+    {
+    }
+}
+
+} // namespace oox::xls
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */