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libreoffice/svx/source/unodraw/UnoNameItemTable.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

303 lines
9.1 KiB
C++

/* -*- 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 <set>
#include <svl/itempool.hxx>
#include <svl/itemset.hxx>
#include <comphelper/profilezone.hxx>
#include <comphelper/sequence.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <svx/svdmodel.hxx>
#include "UnoNameItemTable.hxx"
#include <vcl/svapp.hxx>
#include <svx/unoapi.hxx>
#include <memory>
using namespace ::com::sun::star;
using namespace ::cppu;
namespace
{
// We need to override operator== here and specifically bypass the assert
// in SfxPoolItem::operator== in order to make the GetItemSurrogates call
// and comparing it's results in SvxUnoNameItemTable::hasByName safe.
class SampleItem : public NameOrIndex
{
public:
DECLARE_ITEM_TYPE_FUNCTION(SampleItem)
SampleItem(sal_uInt16 nWhich, const OUString& rName) : NameOrIndex(TypedWhichId<NameOrIndex>(nWhich), rName) {}
bool operator==(const SfxPoolItem& rCmp) const override
{
assert(dynamic_cast<const NameOrIndex*>(&rCmp) && "comparing different pool item subclasses");
auto const & rOther = static_cast<const NameOrIndex&>(rCmp);
return GetName() == rOther.GetName() && GetPalIndex() == rOther.GetPalIndex();
}
};
}
SvxUnoNameItemTable::SvxUnoNameItemTable( SdrModel* pModel, sal_uInt16 nWhich, sal_uInt8 nMemberId ) noexcept
: mpModel( pModel ),
mpModelPool( pModel ? &pModel->GetItemPool() : nullptr ),
mnWhich( nWhich ), mnMemberId( nMemberId )
{
if( pModel )
StartListening( *pModel );
}
SvxUnoNameItemTable::~SvxUnoNameItemTable() noexcept
{
SolarMutexGuard aGuard;
if( mpModel )
EndListening( *mpModel );
dispose();
}
bool SvxUnoNameItemTable::isValid( const NameOrIndex* pItem ) const
{
return pItem && !pItem->GetName().isEmpty();
}
void SvxUnoNameItemTable::dispose()
{
maItemSetVector.clear();
}
void SvxUnoNameItemTable::Notify( SfxBroadcaster&, const SfxHint& rHint ) noexcept
{
if (rHint.GetId() != SfxHintId::ThisIsAnSdrHint)
return;
const SdrHint* pSdrHint = static_cast<const SdrHint*>(&rHint);
if( SdrHintKind::ModelCleared == pSdrHint->GetKind() )
dispose();
}
sal_Bool SAL_CALL SvxUnoNameItemTable::supportsService( const OUString& ServiceName )
{
return cppu::supportsService(this, ServiceName);
}
void SvxUnoNameItemTable::ImplInsertByName( const OUString& aName, const uno::Any& aElement )
{
maItemSetVector.push_back( std::make_unique< SfxItemSet >( *mpModelPool, mnWhich, mnWhich ) );
std::unique_ptr<NameOrIndex> xNewItem(createItem());
xNewItem->SetName(aName);
xNewItem->PutValue(aElement, mnMemberId);
xNewItem->SetWhich(mnWhich);
maItemSetVector.back()->Put(std::move(xNewItem));
}
// XNameContainer
void SAL_CALL SvxUnoNameItemTable::insertByName( const OUString& aApiName, const uno::Any& aElement )
{
SolarMutexGuard aGuard;
comphelper::ProfileZone aZone("SvxUnoNameItemTable::insertByName");
if( hasByName( aApiName ) )
throw container::ElementExistException();
OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
ImplInsertByName( aName, aElement );
}
void SAL_CALL SvxUnoNameItemTable::cancel()
{
SolarMutexGuard aGuard;
// drop all items that are owned by this service and not the document
// (i.e. they are unused)
dispose();
}
void SAL_CALL SvxUnoNameItemTable::removeByName( const OUString& aApiName )
{
SolarMutexGuard aGuard;
comphelper::ProfileZone aZone("SvxUnoNameItemTable::removeByName");
OUString sName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
auto aIter = std::find_if(maItemSetVector.begin(), maItemSetVector.end(),
[&](const std::unique_ptr<SfxItemSet>& rpItem) {
const NameOrIndex *pItem = static_cast<const NameOrIndex *>(&(rpItem->Get( mnWhich ) ));
return sName == pItem->GetName();
});
if (aIter != maItemSetVector.end())
{
maItemSetVector.erase( aIter );
return;
}
if (!hasByName(sName))
throw container::NoSuchElementException();
}
// XNameReplace
void SAL_CALL SvxUnoNameItemTable::replaceByName( const OUString& aApiName, const uno::Any& aElement )
{
SolarMutexGuard aGuard;
OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
auto aIter = std::find_if(maItemSetVector.begin(), maItemSetVector.end(),
[&](const std::unique_ptr<SfxItemSet>& rpItem) {
const NameOrIndex *pItem = static_cast<const NameOrIndex *>(&(rpItem->Get( mnWhich ) ));
return aName == pItem->GetName();
});
if (aIter != maItemSetVector.end())
{
std::unique_ptr<NameOrIndex> xNewItem(createItem());
xNewItem->SetName(aName);
if (!xNewItem->PutValue(aElement, mnMemberId) || !isValid(xNewItem.get()))
throw lang::IllegalArgumentException();
(*aIter)->Put(std::move(xNewItem));
return;
}
// if it is not in our own sets, modify the pool!
bool bFound = false;
if (mpModelPool)
{
SampleItem aSample(mnWhich, aName);
ItemSurrogates aSurrogates;
mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
for (const SfxPoolItem* pNameOrIndex : aSurrogates)
if (aSample == *pNameOrIndex)
if (isValid(static_cast<const NameOrIndex*>(pNameOrIndex)))
{
const_cast<SfxPoolItem*>(pNameOrIndex)->PutValue( aElement, mnMemberId );
bFound = true;
}
}
if( !bFound )
throw container::NoSuchElementException();
ImplInsertByName( aName, aElement );
if( !hasByName( aName ) )
throw container::NoSuchElementException();
}
// XNameAccess
uno::Any SAL_CALL SvxUnoNameItemTable::getByName( const OUString& aApiName )
{
SolarMutexGuard aGuard;
comphelper::ProfileZone aZone("SvxUnoNameItemTable::getByName");
OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
if (mpModelPool && !aName.isEmpty())
{
SampleItem aSample(mnWhich, aName);
ItemSurrogates aSurrogates;
mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
for (const SfxPoolItem* pFindItem : aSurrogates)
if (aSample == *pFindItem)
if (isValid(static_cast<const NameOrIndex*>(pFindItem)))
{
uno::Any aAny;
pFindItem->QueryValue( aAny, mnMemberId );
return aAny;
}
}
throw container::NoSuchElementException();
}
uno::Sequence< OUString > SAL_CALL SvxUnoNameItemTable::getElementNames( )
{
SolarMutexGuard aGuard;
std::set< OUString > aNameSet;
if (mpModelPool)
{
ItemSurrogates aSurrogates;
mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
for (const SfxPoolItem* pItem : aSurrogates)
{
const NameOrIndex *pNameOrIndex = static_cast<const NameOrIndex*>(pItem);
if( !isValid( pNameOrIndex ) )
continue;
OUString aApiName = SvxUnogetApiNameForItem(mnWhich, pNameOrIndex->GetName());
aNameSet.insert(aApiName);
}
}
return comphelper::containerToSequence(aNameSet);
}
sal_Bool SAL_CALL SvxUnoNameItemTable::hasByName( const OUString& aApiName )
{
SolarMutexGuard aGuard;
OUString aName = SvxUnogetInternalNameForItem(mnWhich, aApiName);
if (aName.isEmpty())
return false;
if (!mpModelPool)
return false;
SampleItem aSample(mnWhich, aName);
ItemSurrogates aSurrogates;
mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
for (const SfxPoolItem* pFindItem : aSurrogates)
if (aSample == *pFindItem)
if (isValid(static_cast<const NameOrIndex*>(pFindItem)))
return true;
return false;
}
sal_Bool SAL_CALL SvxUnoNameItemTable::hasElements( )
{
SolarMutexGuard aGuard;
if (mpModelPool)
{
ItemSurrogates aSurrogates;
mpModelPool->GetItemSurrogates(aSurrogates, mnWhich);
for (const SfxPoolItem* pItem : aSurrogates)
{
const NameOrIndex *pNameOrIndex = static_cast<const NameOrIndex*>(pItem);
if( isValid( pNameOrIndex ) )
return true;
}
}
return false;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */