303 lines
9.1 KiB
C++
303 lines
9.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <set>
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#include <svl/itempool.hxx>
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#include <svl/itemset.hxx>
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#include <comphelper/profilezone.hxx>
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#include <comphelper/sequence.hxx>
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#include <cppuhelper/supportsservice.hxx>
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#include <svx/svdmodel.hxx>
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#include "UnoNameItemTable.hxx"
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#include <vcl/svapp.hxx>
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#include <svx/unoapi.hxx>
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#include <memory>
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using namespace ::com::sun::star;
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using namespace ::cppu;
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namespace
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{
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// We need to override operator== here and specifically bypass the assert
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// in SfxPoolItem::operator== in order to make the GetItemSurrogates call
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// and comparing it's results in SvxUnoNameItemTable::hasByName safe.
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class SampleItem : public NameOrIndex
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{
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public:
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DECLARE_ITEM_TYPE_FUNCTION(SampleItem)
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SampleItem(sal_uInt16 nWhich, const OUString& rName) : NameOrIndex(TypedWhichId<NameOrIndex>(nWhich), rName) {}
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bool operator==(const SfxPoolItem& rCmp) const override
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{
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assert(dynamic_cast<const NameOrIndex*>(&rCmp) && "comparing different pool item subclasses");
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auto const & rOther = static_cast<const NameOrIndex&>(rCmp);
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return GetName() == rOther.GetName() && GetPalIndex() == rOther.GetPalIndex();
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}
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};
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}
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SvxUnoNameItemTable::SvxUnoNameItemTable( SdrModel* pModel, sal_uInt16 nWhich, sal_uInt8 nMemberId ) noexcept
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: mpModel( pModel ),
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mpModelPool( pModel ? &pModel->GetItemPool() : nullptr ),
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mnWhich( nWhich ), mnMemberId( nMemberId )
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{
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if( pModel )
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StartListening( *pModel );
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}
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SvxUnoNameItemTable::~SvxUnoNameItemTable() noexcept
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{
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SolarMutexGuard aGuard;
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if( mpModel )
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EndListening( *mpModel );
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dispose();
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}
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bool SvxUnoNameItemTable::isValid( const NameOrIndex* pItem ) const
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{
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return pItem && !pItem->GetName().isEmpty();
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}
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void SvxUnoNameItemTable::dispose()
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{
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maItemSetVector.clear();
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}
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void SvxUnoNameItemTable::Notify( SfxBroadcaster&, const SfxHint& rHint ) noexcept
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{
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if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
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return;
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const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
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if( SdrHintKind::ModelCleared == pSdrHint->GetKind() )
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dispose();
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}
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sal_Bool SAL_CALL SvxUnoNameItemTable::supportsService( const OUString& ServiceName )
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{
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return cppu::supportsService(this, ServiceName);
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}
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void SvxUnoNameItemTable::ImplInsertByName( const OUString& aName, const uno::Any& aElement )
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{
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maItemSetVector.push_back( std::make_unique< SfxItemSet >( *mpModelPool, mnWhich, mnWhich ) );
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std::unique_ptr<NameOrIndex> xNewItem(createItem());
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xNewItem->SetName(aName);
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xNewItem->PutValue(aElement, mnMemberId);
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xNewItem->SetWhich(mnWhich);
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maItemSetVector.back()->Put(std::move(xNewItem));
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}
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// XNameContainer
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void SAL_CALL SvxUnoNameItemTable::insertByName( const OUString& aApiName, const uno::Any& aElement )
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{
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SolarMutexGuard aGuard;
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comphelper::ProfileZone aZone("SvxUnoNameItemTable::insertByName");
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if( hasByName( aApiName ) )
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throw container::ElementExistException();
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OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
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ImplInsertByName( aName, aElement );
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}
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void SAL_CALL SvxUnoNameItemTable::cancel()
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{
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SolarMutexGuard aGuard;
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// drop all items that are owned by this service and not the document
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// (i.e. they are unused)
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dispose();
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}
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void SAL_CALL SvxUnoNameItemTable::removeByName( const OUString& aApiName )
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{
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SolarMutexGuard aGuard;
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comphelper::ProfileZone aZone("SvxUnoNameItemTable::removeByName");
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OUString sName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
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auto aIter = std::find_if(maItemSetVector.begin(), maItemSetVector.end(),
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[&](const std::unique_ptr<SfxItemSet>& rpItem) {
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const NameOrIndex *pItem = static_cast<const NameOrIndex *>(&(rpItem->Get( mnWhich ) ));
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return sName == pItem->GetName();
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});
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if (aIter != maItemSetVector.end())
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{
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maItemSetVector.erase( aIter );
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return;
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}
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if (!hasByName(sName))
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throw container::NoSuchElementException();
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}
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// XNameReplace
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void SAL_CALL SvxUnoNameItemTable::replaceByName( const OUString& aApiName, const uno::Any& aElement )
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{
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SolarMutexGuard aGuard;
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OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
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auto aIter = std::find_if(maItemSetVector.begin(), maItemSetVector.end(),
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[&](const std::unique_ptr<SfxItemSet>& rpItem) {
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const NameOrIndex *pItem = static_cast<const NameOrIndex *>(&(rpItem->Get( mnWhich ) ));
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return aName == pItem->GetName();
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});
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if (aIter != maItemSetVector.end())
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{
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std::unique_ptr<NameOrIndex> xNewItem(createItem());
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xNewItem->SetName(aName);
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if (!xNewItem->PutValue(aElement, mnMemberId) || !isValid(xNewItem.get()))
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throw lang::IllegalArgumentException();
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(*aIter)->Put(std::move(xNewItem));
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return;
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}
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// if it is not in our own sets, modify the pool!
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bool bFound = false;
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if (mpModelPool)
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{
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SampleItem aSample(mnWhich, aName);
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ItemSurrogates aSurrogates;
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mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
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for (const SfxPoolItem* pNameOrIndex : aSurrogates)
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if (aSample == *pNameOrIndex)
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if (isValid(static_cast<const NameOrIndex*>(pNameOrIndex)))
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{
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const_cast<SfxPoolItem*>(pNameOrIndex)->PutValue( aElement, mnMemberId );
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bFound = true;
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}
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}
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if( !bFound )
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throw container::NoSuchElementException();
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ImplInsertByName( aName, aElement );
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if( !hasByName( aName ) )
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throw container::NoSuchElementException();
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}
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// XNameAccess
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uno::Any SAL_CALL SvxUnoNameItemTable::getByName( const OUString& aApiName )
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{
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SolarMutexGuard aGuard;
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comphelper::ProfileZone aZone("SvxUnoNameItemTable::getByName");
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OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
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if (mpModelPool && !aName.isEmpty())
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{
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SampleItem aSample(mnWhich, aName);
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ItemSurrogates aSurrogates;
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mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
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for (const SfxPoolItem* pFindItem : aSurrogates)
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if (aSample == *pFindItem)
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if (isValid(static_cast<const NameOrIndex*>(pFindItem)))
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{
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uno::Any aAny;
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pFindItem->QueryValue( aAny, mnMemberId );
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return aAny;
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}
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}
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throw container::NoSuchElementException();
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}
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uno::Sequence< OUString > SAL_CALL SvxUnoNameItemTable::getElementNames( )
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{
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SolarMutexGuard aGuard;
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std::set< OUString > aNameSet;
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if (mpModelPool)
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{
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ItemSurrogates aSurrogates;
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mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
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for (const SfxPoolItem* pItem : aSurrogates)
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{
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const NameOrIndex *pNameOrIndex = static_cast<const NameOrIndex*>(pItem);
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if( !isValid( pNameOrIndex ) )
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continue;
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OUString aApiName = SvxUnogetApiNameForItem(mnWhich, pNameOrIndex->GetName());
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aNameSet.insert(aApiName);
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}
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}
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return comphelper::containerToSequence(aNameSet);
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}
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sal_Bool SAL_CALL SvxUnoNameItemTable::hasByName( const OUString& aApiName )
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{
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SolarMutexGuard aGuard;
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OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
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if (aName.isEmpty())
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return false;
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if (!mpModelPool)
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return false;
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SampleItem aSample(mnWhich, aName);
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ItemSurrogates aSurrogates;
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mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
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for (const SfxPoolItem* pFindItem : aSurrogates)
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if (aSample == *pFindItem)
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if (isValid(static_cast<const NameOrIndex*>(pFindItem)))
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return true;
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return false;
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}
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sal_Bool SAL_CALL SvxUnoNameItemTable::hasElements( )
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{
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SolarMutexGuard aGuard;
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if (mpModelPool)
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{
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ItemSurrogates aSurrogates;
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mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
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for (const SfxPoolItem* pItem : aSurrogates)
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{
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const NameOrIndex *pNameOrIndex = static_cast<const NameOrIndex*>(pItem);
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if( isValid( pNameOrIndex ) )
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return true;
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}
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}
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return false;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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