svx/source/items/customshapeitem.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <sal/config.h>
  21
  22 #include <o3tl/any.hxx>
  23 #include <comphelper/anycompare.hxx>
  24 #include <comphelper/anytohash.hxx>
  25 #include <svx/sdasitm.hxx>
  26
  27 #include <com/sun/star/beans/PropertyValue.hpp>
  28
  29 using namespace com::sun::star;
  30
  31
  32 SdrCustomShapeGeometryItem::SdrCustomShapeGeometryItem()
  33 :   SfxPoolItem( SDRATTR_CUSTOMSHAPE_GEOMETRY )
  34 {}
  35
  36 SdrCustomShapeGeometryItem::SdrCustomShapeGeometryItem( const uno::Sequence< beans::PropertyValue >& rVal )
  37 :   SfxPoolItem( SDRATTR_CUSTOMSHAPE_GEOMETRY )
  38 {
  39     SetPropSeq( rVal );
  40 }
  41
  42 css::uno::Any* SdrCustomShapeGeometryItem::GetPropertyValueByName( const OUString& rPropName )
  43 {
  44     css::uno::Any* pRet = nullptr;
  45     PropertyHashMap::iterator aHashIter( m_aPropHashMap.find( rPropName ) );
  46     if ( aHashIter != m_aPropHashMap.end() )
  47         pRet = &m_aPropSeq.getArray()[ (*aHashIter).second ].Value;
  48     return pRet;
  49 }
  50
  51 const css::uno::Any* SdrCustomShapeGeometryItem::GetPropertyValueByName( const OUString& rPropName ) const
  52 {
  53     const css::uno::Any* pRet = nullptr;
  54     PropertyHashMap::const_iterator aHashIter( m_aPropHashMap.find( rPropName ) );
  55     if ( aHashIter != m_aPropHashMap.end() )
  56         pRet = &m_aPropSeq[ (*aHashIter).second ].Value;
  57     return pRet;
  58 }
  59
  60 css::uno::Any* SdrCustomShapeGeometryItem::GetPropertyValueByName( const OUString& rSequenceName, const OUString& rPropName )
  61 {
  62     css::uno::Any* pRet = nullptr;
  63     css::uno::Any* pSeqAny = GetPropertyValueByName( rSequenceName );
  64     if ( pSeqAny )
  65     {
  66         if ( auto rSecSequence = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(*pSeqAny) )
  67         {
  68             PropertyPairHashMap::iterator aHashIter( m_aPropPairHashMap.find( PropertyPair( rSequenceName, rPropName ) ) );
  69             if ( aHashIter != m_aPropPairHashMap.end() )
  70             {
  71                 pRet = &const_cast<css::uno::Sequence<css::beans::PropertyValue> &>(*rSecSequence).getArray()[ (*aHashIter).second ].Value;
  72             }
  73         }
  74     }
  75     return pRet;
  76 }
  77
  78 const css::uno::Any* SdrCustomShapeGeometryItem::GetPropertyValueByName( const OUString& rSequenceName, const OUString& rPropName ) const
  79 {
  80     const css::uno::Any* pRet = nullptr;
  81     const css::uno::Any* pSeqAny = GetPropertyValueByName( rSequenceName );
  82     if ( pSeqAny )
  83     {
  84         if ( auto rSecSequence = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(*pSeqAny) )
  85         {
  86             PropertyPairHashMap::const_iterator aHashIter( m_aPropPairHashMap.find( PropertyPair( rSequenceName, rPropName ) ) );
  87             if ( aHashIter != m_aPropPairHashMap.end() )
  88             {
  89                 pRet = &(*rSecSequence)[ (*aHashIter).second ].Value;
  90             }
  91         }
  92     }
  93     return pRet;
  94 }
  95
  96 void SdrCustomShapeGeometryItem::SetPropertyValue( const css::beans::PropertyValue& rPropVal )
  97 {
  98     css::uno::Any* pAny = GetPropertyValueByName( rPropVal.Name );
  99     if ( pAny )
 100     {   // property is already available
 101         if ( auto rSecSequence = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(*pAny) )
 102         {   // old property is a sequence->each entry has to be removed from the HashPairMap
 103             for ( auto const & i : *rSecSequence )
 104             {
 105                 PropertyPairHashMap::iterator aHashIter( m_aPropPairHashMap.find( PropertyPair( rPropVal.Name, i.Name ) ) );
 106                 if ( aHashIter != m_aPropPairHashMap.end() )
 107                     m_aPropPairHashMap.erase( aHashIter );
 108             }
 109         }
 110         *pAny = rPropVal.Value;
 111         if ( auto rSecSequence = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(*pAny) )
 112         {   // the new property is a sequence->each entry has to be inserted into the HashPairMap
 113             for ( sal_Int32 i = 0; i < rSecSequence->getLength(); i++ )
 114             {
 115                 beans::PropertyValue const & rPropVal2 = (*rSecSequence)[ i ];
 116                 m_aPropPairHashMap[ PropertyPair( rPropVal.Name, rPropVal2.Name ) ] = i;
 117             }
 118         }
 119     }
 120     else
 121     {   // it's a new property
 122         assert(std::none_of(std::cbegin(m_aPropSeq), std::cend(m_aPropSeq),
 123             [&rPropVal](beans::PropertyValue const& rVal)
 124                 { return rVal.Name == rPropVal.Name; } ));
 125         sal_uInt32 nIndex = m_aPropSeq.getLength();
 126         m_aPropSeq.realloc( nIndex + 1 );
 127         m_aPropSeq.getArray()[ nIndex ] = rPropVal ;
 128
 129         m_aPropHashMap[ rPropVal.Name ] = nIndex;
 130     }
 131     InvalidateHash();
 132 }
 133
 134 void SdrCustomShapeGeometryItem::SetPropertyValue( const OUString& rSequenceName, const css::beans::PropertyValue& rPropVal )
 135 {
 136     css::uno::Any* pAny = GetPropertyValueByName( rSequenceName, rPropVal.Name );
 137     if ( pAny ) // just replacing
 138         *pAny = rPropVal.Value;
 139     else
 140     {
 141         css::uno::Any* pSeqAny = GetPropertyValueByName( rSequenceName );
 142         if( pSeqAny == nullptr )
 143         {
 144             css::uno::Sequence < beans::PropertyValue > aSeq;
 145             beans::PropertyValue aValue;
 146             aValue.Name = rSequenceName;
 147             aValue.Value <<= aSeq;
 148
 149             assert(std::none_of(std::cbegin(m_aPropSeq), std::cend(m_aPropSeq),
 150                 [&rSequenceName](beans::PropertyValue const& rV)
 151                     { return rV.Name == rSequenceName; } ));
 152             sal_uInt32 nIndex = m_aPropSeq.getLength();
 153             m_aPropSeq.realloc( nIndex + 1 );
 154             auto pPropSeq = m_aPropSeq.getArray();
 155             pPropSeq[ nIndex ] = aValue;
 156             m_aPropHashMap[ rSequenceName ] = nIndex;
 157
 158             pSeqAny = &pPropSeq[ nIndex ].Value;
 159         }
 160
 161         if (auto pSecSequence = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(*pSeqAny))
 162         {
 163             PropertyPairHashMap::iterator aHashIter(
 164                 m_aPropPairHashMap.find(PropertyPair(rSequenceName, rPropVal.Name)));
 165             auto& rSeq = const_cast<css::uno::Sequence<css::beans::PropertyValue>&>(*pSecSequence);
 166             if (aHashIter != m_aPropPairHashMap.end())
 167             {
 168                 rSeq.getArray()[(*aHashIter).second].Value = rPropVal.Value;
 169             }
 170             else
 171             {
 172                 const sal_Int32 nCount = pSecSequence->getLength();
 173                 rSeq.realloc(nCount + 1);
 174                 rSeq.getArray()[nCount] = rPropVal;
 175
 176                 m_aPropPairHashMap[PropertyPair(rSequenceName, rPropVal.Name)] = nCount;
 177             }
 178         }
 179     }
 180     InvalidateHash();
 181 }
 182
 183 void SdrCustomShapeGeometryItem::ClearPropertyValue( const OUString& rPropName )
 184 {
 185     if ( !m_aPropSeq.hasElements() )
 186         return;
 187
 188     PropertyHashMap::iterator aHashIter( m_aPropHashMap.find( rPropName ) );
 189     if ( aHashIter == m_aPropHashMap.end() )
 190         return;
 191
 192     auto pPropSeq = m_aPropSeq.getArray();
 193     css::uno::Any& rSeqAny = pPropSeq[(*aHashIter).second].Value;
 194     if (auto pSecSequence
 195         = o3tl::tryAccess<css::uno::Sequence<beans::PropertyValue>>(rSeqAny))
 196     {
 197         for (const auto& rPropVal : *pSecSequence)
 198         {
 199             auto _aHashIter(m_aPropPairHashMap.find(PropertyPair(rPropName, rPropVal.Name)));
 200             if (_aHashIter != m_aPropPairHashMap.end())
 201                 m_aPropPairHashMap.erase(_aHashIter); // removing property from pair hashmap
 202         }
 203     }
 204     sal_Int32 nLength = m_aPropSeq.getLength();
 205     if ( nLength )
 206     {
 207         sal_Int32 nIndex  = (*aHashIter).second;
 208         if ( nIndex != ( nLength - 1 ) )                        // resizing sequence
 209         {
 210             PropertyHashMap::iterator aHashIter2( m_aPropHashMap.find( m_aPropSeq[ nLength - 1 ].Name ) );
 211             assert(aHashIter2 != m_aPropHashMap.end());
 212             (*aHashIter2).second = nIndex;
 213             pPropSeq[ nIndex ] = m_aPropSeq[ nLength - 1 ];
 214         }
 215         m_aPropSeq.realloc( nLength - 1 );
 216     }
 217     m_aPropHashMap.erase( aHashIter );                            // removing property from hashmap
 218     InvalidateHash();
 219 }
 220
 221 SdrCustomShapeGeometryItem::~SdrCustomShapeGeometryItem()
 222 {
 223 }
 224
 225 bool SdrCustomShapeGeometryItem::operator==( const SfxPoolItem& rCmp ) const
 226 {
 227     if( !SfxPoolItem::operator==( rCmp ))
 228         return false;
 229     const SdrCustomShapeGeometryItem& other = static_cast<const SdrCustomShapeGeometryItem&>(rCmp);
 230     // This is called often by SfxItemPool, and comparing uno sequences is relatively slow.
 231     // So keep a hash of the sequence and if either of the sequences has a usable hash,
 232     // compare using that.
 233     UpdateHash();
 234     other.UpdateHash();
 235     if( m_aHashState != other.m_aHashState )
 236         return false;
 237     if( m_aHashState == HashState::Valid && m_aHash != other.m_aHash )
 238         return false;
 239
 240     return m_aPropSeq == other.m_aPropSeq;
 241 }
 242
 243 void SdrCustomShapeGeometryItem::UpdateHash() const
 244 {
 245     if( m_aHashState != HashState::Unknown )
 246         return;
 247     std::optional< size_t > hash = comphelper::anyToHash( css::uno::Any( m_aPropSeq ));
 248     if( hash.has_value())
 249     {
 250         m_aHash = *hash;
 251         m_aHashState = HashState::Valid;
 252     }
 253     else
 254         m_aHashState = HashState::Unusable;
 255 }
 256
 257 void SdrCustomShapeGeometryItem::InvalidateHash()
 258 {
 259     m_aHashState = HashState::Unknown;
 260 }
 261
 262 bool SdrCustomShapeGeometryItem::GetPresentation(
 263     SfxItemPresentation ePresentation, MapUnit /*eCoreMetric*/,
 264     MapUnit /*ePresentationMetric*/, OUString &rText, const IntlWrapper&) const
 265 {
 266     rText += " ";
 267     if ( ePresentation == SfxItemPresentation::Complete )
 268     {
 269         rText = " " + rText;
 270         return true;
 271     }
 272     else if ( ePresentation == SfxItemPresentation::Nameless )
 273         return true;
 274     return false;
 275 }
 276
 277 SdrCustomShapeGeometryItem* SdrCustomShapeGeometryItem::Clone( SfxItemPool * /*pPool*/ ) const
 278 {
 279     return new SdrCustomShapeGeometryItem( m_aPropSeq );
 280 }
 281
 282 bool SdrCustomShapeGeometryItem::QueryValue( uno::Any& rVal, sal_uInt8 /*nMemberId*/ ) const
 283 {
 284     rVal <<= m_aPropSeq;
 285     return true;
 286 }
 287
 288 bool SdrCustomShapeGeometryItem::PutValue( const uno::Any& rVal, sal_uInt8 /*nMemberId*/ )
 289 {
 290     css::uno::Sequence< css::beans::PropertyValue > propSeq;
 291     if ( ! ( rVal >>= propSeq ) )
 292         return false;
 293
 294     SetPropSeq( propSeq );
 295     return true;
 296 }
 297
 298 void SdrCustomShapeGeometryItem::SetPropSeq( const css::uno::Sequence< css::beans::PropertyValue >& rVal )
 299 {
 300     if( m_aPropSeq == rVal )
 301         return;
 302
 303     m_aPropSeq = rVal;
 304     m_aPropHashMap.clear();
 305     m_aPropPairHashMap.clear();
 306     for ( sal_Int32 i = 0; i < m_aPropSeq.getLength(); i++ )
 307     {
 308         const beans::PropertyValue& rPropVal = m_aPropSeq[ i ];
 309         std::pair<PropertyHashMap::iterator, bool> const ret(
 310                 m_aPropHashMap.insert(std::make_pair(rPropVal.Name, i)));
 311         assert(ret.second); // serious bug: duplicate xml attribute exported
 312         if (!ret.second)
 313         {
 314             throw uno::RuntimeException(
 315                 "CustomShapeGeometry has duplicate property " + rPropVal.Name);
 316         }
 317         if (auto rPropSeq = o3tl::tryAccess<uno::Sequence<beans::PropertyValue>>(
 318                 rPropVal.Value))
 319         {
 320             for ( sal_Int32 j = 0; j < rPropSeq->getLength(); j++ )
 321             {
 322                 beans::PropertyValue const & rPropVal2 = (*rPropSeq)[ j ];
 323                 m_aPropPairHashMap[ PropertyPair( rPropVal.Name, rPropVal2.Name ) ] = j;
 324             }
 325         }
 326     }
 327     InvalidateHash();
 328 }
 329
 330 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */