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diff --git a/unotools/source/config/compatibility.cxx b/unotools/source/config/compatibility.cxx
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+++ b/unotools/source/config/compatibility.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 <unotools/compatibility.hxx>
+#include <unotools/configitem.hxx>
+#include <unotools/syslocale.hxx>
+#include <tools/debug.hxx>
+#include <sal/log.hxx>
+#include <com/sun/star/uno/Any.hxx>
+#include <com/sun/star/uno/Sequence.hxx>
+#include <com/sun/star/beans/PropertyValue.hpp>
+#include <com/sun/star/lang/Locale.hpp>
+#include <i18nlangtag/languagetag.hxx>
+
+#include "itemholder1.hxx"
+
+#include <algorithm>
+#include <vector>
+
+using namespace ::std;
+using namespace ::utl;
+using namespace ::osl;
+using namespace ::com::sun::star::uno;
+using namespace ::com::sun::star::beans;
+
+#define ROOTNODE_OPTIONS        "Office.Compatibility"
+#define PATHDELIMITER           "/"
+#define SETNODE_ALLFILEFORMATS  "AllFileFormats"
+
+SvtCompatibilityEntry::SvtCompatibilityEntry()
+    : m_aPropertyValue( SvtCompatibilityEntry::getElementCount() )
+{
+    /* Should be in the start. Do not remove it. */
+    setValue<OUString>( Index::Name, OUString() );
+    setValue<OUString>( Index::Module, OUString() );
+
+    /* Editable list of default values. Sync it with the SvtCompatibilityEntry::Index enum class. */
+    setValue<bool>( Index::UsePrtMetrics, false );
+    setValue<bool>( Index::AddSpacing, false );
+    setValue<bool>( Index::AddSpacingAtPages, false );
+    setValue<bool>( Index::UseOurTabStops, false );
+    setValue<bool>( Index::NoExtLeading, false );
+    setValue<bool>( Index::UseLineSpacing, false );
+    setValue<bool>( Index::AddTableSpacing, false );
+    setValue<bool>( Index::UseObjectPositioning, false );
+    setValue<bool>( Index::UseOurTextWrapping, false );
+    setValue<bool>( Index::ConsiderWrappingStyle, false );
+    setValue<bool>( Index::ExpandWordSpace, true );
+    setValue<bool>( Index::ProtectForm, false );
+    setValue<bool>( Index::MsWordTrailingBlanks, false );
+    setValue<bool>( Index::SubtractFlysAnchoredAtFlys, false );
+    setValue<bool>( Index::EmptyDbFieldHidesPara, true );
+    setValue<bool>( Index::AddTableLineSpacing, false );
+
+    setDefaultEntry( false );
+}
+
+OUString SvtCompatibilityEntry::getName( const Index rIdx )
+{
+    static const char* sPropertyName[] =
+    {
+        /* Should be in the start. Do not remove it. */
+        "Name",
+        "Module",
+
+        /* Editable list of compatibility option names. Sync it with the SvtCompatibilityEntry::Index enum class. */
+        "UsePrinterMetrics",
+        "AddSpacing",
+        "AddSpacingAtPages",
+        "UseOurTabStopFormat",
+        "NoExternalLeading",
+        "UseLineSpacing",
+        "AddTableSpacing",
+        "UseObjectPositioning",
+        "UseOurTextWrapping",
+        "ConsiderWrappingStyle",
+        "ExpandWordSpace",
+        "ProtectForm",
+        "MsWordCompTrailingBlanks",
+        "SubtractFlysAnchoredAtFlys",
+        "EmptyDbFieldHidesPara",
+        "AddTableLineSpacing",
+    };
+
+    /* Size of sPropertyName array not equal size of the SvtCompatibilityEntry::Index enum class */
+    assert( SAL_N_ELEMENTS(sPropertyName) == static_cast<int>( SvtCompatibilityEntry::getElementCount() ) );
+
+    return OUString::createFromAscii( sPropertyName[ static_cast<int>(rIdx) ] );
+}
+
+/*-****************************************************************************************************************
+    @descr  support simple menu structures and operations on it
+****************************************************************************************************************-*/
+
+/*-****************************************************************************************************
+    @short      base implementation of public interface for "SvtCompatibilityOptions"!
+    @descr      These class is used as static member of "SvtCompatibilityOptions" ...
+                => The code exist only for one time and isn't duplicated for every instance!
+*//*-*****************************************************************************************************/
+class SvtCompatibilityOptions_Impl : public ConfigItem
+{
+    public:
+        SvtCompatibilityOptions_Impl();
+        virtual ~SvtCompatibilityOptions_Impl() override;
+
+        void AppendItem( const SvtCompatibilityEntry& aItem );
+        void Clear();
+
+        void SetDefault( SvtCompatibilityEntry::Index rIdx, bool rValue );
+        bool GetDefault( SvtCompatibilityEntry::Index rIdx ) const;
+
+        Sequence< Sequence< PropertyValue > > GetList() const;
+
+        /*-****************************************************************************************************
+            @short      called for notify of configmanager
+            @descr      This method is called from the ConfigManager before the application ends or from the
+                        PropertyChangeListener if the sub tree broadcasts changes. You must update your
+                        internal values.
+
+            @seealso    baseclass ConfigItem
+
+            @param      "lPropertyNames" is the list of properties which should be updated.
+        *//*-*****************************************************************************************************/
+        virtual void Notify( const Sequence< OUString >& lPropertyNames ) override;
+
+    private:
+        virtual void ImplCommit() override;
+
+        /*-****************************************************************************************************
+            @short      return list of key names of our configuration management which represent one module tree
+            @descr      These methods return the current list of key names! We need it to get needed values from our
+                        configuration management and support dynamical menu item lists!
+            @return     A list of configuration key names is returned.
+        *//*-*****************************************************************************************************/
+        Sequence< OUString > impl_GetPropertyNames( Sequence< OUString >& rItems );
+
+    private:
+        std::vector< SvtCompatibilityEntry > m_aOptions;
+        SvtCompatibilityEntry                m_aDefOptions;
+};
+
+SvtCompatibilityOptions_Impl::SvtCompatibilityOptions_Impl() : ConfigItem( ROOTNODE_OPTIONS )
+{
+    // Get names and values of all accessible menu entries and fill internal structures.
+    // See impl_GetPropertyNames() for further information.
+    Sequence< OUString > lNodes;
+    Sequence< OUString > lNames  = impl_GetPropertyNames( lNodes );
+    Sequence< Any >      lValues = GetProperties( lNames );
+
+    // Safe impossible cases.
+    // We need values from ALL configuration keys.
+    // Follow assignment use order of values in relation to our list of key names!
+    DBG_ASSERT( !( lNames.getLength()!=lValues.getLength() ), "SvtCompatibilityOptions_Impl::SvtCompatibilityOptions_Impl()\nI miss some values of configuration keys!\n" );
+
+    // Get names/values for new menu.
+    // 4 subkeys for every item!
+    bool bDefaultFound = false;
+    sal_Int32 nDestStep    = 0;
+    for ( const auto& rNode : std::as_const(lNodes) )
+    {
+        SvtCompatibilityEntry aItem;
+
+        aItem.setValue<OUString>( SvtCompatibilityEntry::Index::Name, rNode );
+
+        for ( int i = static_cast<int>(SvtCompatibilityEntry::Index::Module); i < static_cast<int>(SvtCompatibilityEntry::Index::INVALID); ++i )
+        {
+            aItem.setValue( SvtCompatibilityEntry::Index(i), lValues[ nDestStep ] );
+            nDestStep++;
+        }
+
+        m_aOptions.push_back( aItem );
+
+        if ( !bDefaultFound && aItem.getValue<OUString>( SvtCompatibilityEntry::Index::Name ) == SvtCompatibilityEntry::getDefaultEntryName() )
+        {
+            SvtSysLocale aSysLocale;
+            css::lang::Locale aLocale = aSysLocale.GetLanguageTag().getLocale();
+            if ( aLocale.Language == "zh" || aLocale.Language == "ja" || aLocale.Language == "ko" )
+                aItem.setValue<bool>( SvtCompatibilityEntry::Index::ExpandWordSpace, false );
+
+            m_aDefOptions = aItem;
+            bDefaultFound = true;
+        }
+    }
+}
+
+SvtCompatibilityOptions_Impl::~SvtCompatibilityOptions_Impl()
+{
+    assert( !IsModified() ); // should have been committed
+}
+
+void SvtCompatibilityOptions_Impl::AppendItem( const SvtCompatibilityEntry& aItem )
+{
+    m_aOptions.push_back( aItem );
+
+    // default item reset?
+    if ( aItem.getValue<OUString>( SvtCompatibilityEntry::Index::Name ) == SvtCompatibilityEntry::getDefaultEntryName() )
+        m_aDefOptions = aItem;
+
+    SetModified();
+}
+
+void SvtCompatibilityOptions_Impl::Clear()
+{
+    m_aOptions.clear();
+
+    SetModified();
+}
+
+void SvtCompatibilityOptions_Impl::SetDefault( SvtCompatibilityEntry::Index rIdx, bool rValue )
+{
+    /* Are not set Name and Module */
+    assert( rIdx != SvtCompatibilityEntry::Index::Name && rIdx != SvtCompatibilityEntry::Index::Module );
+
+    m_aDefOptions.setValue<bool>( rIdx, rValue );
+}
+
+bool SvtCompatibilityOptions_Impl::GetDefault( SvtCompatibilityEntry::Index rIdx ) const
+{
+    /* Are not set Name and Module */
+    assert( rIdx != SvtCompatibilityEntry::Index::Name && rIdx != SvtCompatibilityEntry::Index::Module );
+
+    return m_aDefOptions.getValue<bool>( rIdx );
+}
+
+Sequence< Sequence< PropertyValue > > SvtCompatibilityOptions_Impl::GetList() const
+{
+    Sequence< PropertyValue >             lProperties( SvtCompatibilityEntry::getElementCount() );
+    Sequence< Sequence< PropertyValue > > lResult( m_aOptions.size() );
+
+    for ( int i = static_cast<int>(SvtCompatibilityEntry::Index::Name); i < static_cast<int>(SvtCompatibilityEntry::Index::INVALID); ++i )
+        lProperties[i].Name = SvtCompatibilityEntry::getName( SvtCompatibilityEntry::Index(i) );
+
+    sal_Int32 j = 0;
+    for ( const auto& rItem : m_aOptions )
+    {
+        for ( int i = static_cast<int>(SvtCompatibilityEntry::Index::Name); i < static_cast<int>(SvtCompatibilityEntry::Index::INVALID); ++i )
+            lProperties[i].Value = rItem.getValue( SvtCompatibilityEntry::Index(i) );
+        lResult[ j++ ] = lProperties;
+    }
+
+    return lResult;
+}
+
+void SvtCompatibilityOptions_Impl::Notify( const Sequence< OUString >& )
+{
+    SAL_WARN( "unotools.config", "SvtCompatibilityOptions_Impl::Notify() Not implemented yet! I don't know how I can handle a dynamical list of unknown properties ..." );
+}
+
+void SvtCompatibilityOptions_Impl::ImplCommit()
+{
+    // Write all properties!
+    // Delete complete set first.
+    ClearNodeSet( SETNODE_ALLFILEFORMATS );
+
+    Sequence< PropertyValue > lPropertyValues( SvtCompatibilityEntry::getElementCount() - 1 );
+    sal_uInt32 nNewCount = m_aOptions.size();
+    for ( sal_uInt32 nItem = 0; nItem < nNewCount; ++nItem )
+    {
+        SvtCompatibilityEntry aItem = m_aOptions[ nItem ];
+        OUString              sNode = SETNODE_ALLFILEFORMATS PATHDELIMITER + aItem.getValue<OUString>( SvtCompatibilityEntry::Index::Name ) + PATHDELIMITER;
+
+        for ( int i = static_cast<int>(SvtCompatibilityEntry::Index::Module); i < static_cast<int>(SvtCompatibilityEntry::Index::INVALID); ++i )
+        {
+            lPropertyValues[ i - 1 ].Name  = sNode + SvtCompatibilityEntry::getName( SvtCompatibilityEntry::Index(i) );
+            lPropertyValues[ i - 1 ].Value = aItem.getValue( SvtCompatibilityEntry::Index(i) );
+        }
+
+        SetSetProperties( SETNODE_ALLFILEFORMATS, lPropertyValues );
+    }
+}
+
+Sequence< OUString > SvtCompatibilityOptions_Impl::impl_GetPropertyNames( Sequence< OUString >& rItems )
+{
+    // First get ALL names of current existing list items in configuration!
+    rItems = GetNodeNames( SETNODE_ALLFILEFORMATS );
+
+    // expand list to result list ...
+    Sequence< OUString > lProperties( rItems.getLength() * ( SvtCompatibilityEntry::getElementCount() - 1 ) );
+
+    sal_Int32 nDestStep    = 0;
+    // Copy entries to destination and expand every item with 2 supported sub properties.
+    for ( const auto& rItem : std::as_const(rItems) )
+    {
+        OUString sFixPath = SETNODE_ALLFILEFORMATS PATHDELIMITER + rItem + PATHDELIMITER;
+        for ( int i = static_cast<int>(SvtCompatibilityEntry::Index::Module); i < static_cast<int>(SvtCompatibilityEntry::Index::INVALID); ++i )
+        {
+            lProperties[ nDestStep ] = sFixPath + SvtCompatibilityEntry::getName( SvtCompatibilityEntry::Index(i) );
+            nDestStep++;
+        }
+    }
+
+    // Return result.
+    return lProperties;
+}
+
+namespace
+{
+    std::weak_ptr<SvtCompatibilityOptions_Impl> theOptions;
+}
+
+SvtCompatibilityOptions::SvtCompatibilityOptions()
+{
+    // Global access, must be guarded (multithreading!).
+    MutexGuard aGuard( GetOwnStaticMutex() );
+
+    m_pImpl = theOptions.lock();
+    if ( !m_pImpl )
+    {
+        m_pImpl    = std::make_shared<SvtCompatibilityOptions_Impl>();
+        theOptions = m_pImpl;
+        ItemHolder1::holdConfigItem( EItem::Compatibility );
+    }
+}
+
+SvtCompatibilityOptions::~SvtCompatibilityOptions()
+{
+    // Global access, must be guarded (multithreading!)
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    m_pImpl.reset();
+}
+
+void SvtCompatibilityOptions::AppendItem( const SvtCompatibilityEntry& aItem )
+{
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    m_pImpl->AppendItem( aItem );
+}
+
+void SvtCompatibilityOptions::Clear()
+{
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    m_pImpl->Clear();
+}
+
+void SvtCompatibilityOptions::SetDefault( SvtCompatibilityEntry::Index rIdx, bool rValue )
+{
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    m_pImpl->SetDefault( rIdx, rValue );
+}
+
+bool SvtCompatibilityOptions::GetDefault( SvtCompatibilityEntry::Index rIdx ) const
+{
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    return m_pImpl->GetDefault( rIdx );
+}
+
+Sequence< Sequence< PropertyValue > > SvtCompatibilityOptions::GetList() const
+{
+    MutexGuard aGuard( GetOwnStaticMutex() );
+    return m_pImpl->GetList();
+}
+
+namespace
+{
+    class theCompatibilityOptionsMutex : public rtl::Static<osl::Mutex, theCompatibilityOptionsMutex>{};
+}
+
+Mutex& SvtCompatibilityOptions::GetOwnStaticMutex()
+{
+    return theCompatibilityOptionsMutex::get();
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */