svl/source/items/slstitm.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
  21 #include <svl/slstitm.hxx>
  22 #include <svl/poolitem.hxx>
  23 #include <com/sun/star/uno/Any.hxx>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25 #include <osl/diagnose.h>
  26 #include <tools/stream.hxx>
  27 #include <stringio.hxx>
  28
  29 TYPEINIT1_AUTOFACTORY(SfxStringListItem, SfxPoolItem);
  30
  31 class SfxImpStringList
  32 {
  33 public:
  34     sal_uInt16  nRefCount;
  35     std::vector<OUString>  aList;
  36
  37             SfxImpStringList() { nRefCount = 1; }
  38             ~SfxImpStringList();
  39 };
  40
  41
  42 SfxImpStringList::~SfxImpStringList()
  43 {
  44     DBG_ASSERT(nRefCount!=0xffff,"ImpList already deleted");
  45     nRefCount = 0xffff;
  46 }
  47
  48 SfxStringListItem::SfxStringListItem() :
  49     pImp(NULL)
  50 {
  51 }
  52
  53
  54 SfxStringListItem::SfxStringListItem( sal_uInt16 which, const std::vector<OUString>* pList ) :
  55     SfxPoolItem( which ),
  56     pImp(NULL)
  57 {
  58     // FIXME: Putting an empty list does not work
  59     // Therefore the query after the count is commented out
  60     if( pList /*!!! && pList->Count() */ )
  61     {
  62         pImp = new SfxImpStringList;
  63         pImp->aList = *pList;
  64     }
  65 }
  66
  67
  68 SfxStringListItem::SfxStringListItem( sal_uInt16 which, SvStream& rStream ) :
  69     SfxPoolItem( which ),
  70     pImp(NULL)
  71 {
  72     sal_Int32 nEntryCount;
  73     rStream.ReadInt32( nEntryCount );
  74
  75     if( nEntryCount )
  76         pImp = new SfxImpStringList;
  77
  78     if (pImp)
  79     {
  80         for( sal_Int32 i=0; i < nEntryCount; i++ )
  81         {
  82             pImp->aList.push_back( readByteString(rStream) );
  83         }
  84     }
  85 }
  86
  87
  88 SfxStringListItem::SfxStringListItem( const SfxStringListItem& rItem ) :
  89     SfxPoolItem( rItem ),
  90     pImp(rItem.pImp)
  91 {
  92     if( pImp )
  93     {
  94         DBG_ASSERT(pImp->nRefCount!=0xffff,"ImpList not valid");
  95         pImp->nRefCount++;
  96     }
  97 }
  98
  99
 100 SfxStringListItem::~SfxStringListItem()
 101 {
 102     if( pImp )
 103     {
 104         DBG_ASSERT(pImp->nRefCount!=0xffff,"ImpList not valid");
 105         if( pImp->nRefCount > 1 )
 106             pImp->nRefCount--;
 107         else
 108             delete pImp;
 109     }
 110 }
 111
 112
 113 std::vector<OUString>& SfxStringListItem::GetList()
 114 {
 115     if( !pImp )
 116         pImp = new SfxImpStringList;
 117     DBG_ASSERT(pImp->nRefCount!=0xffff,"ImpList not valid");
 118     return pImp->aList;
 119 }
 120
 121 const std::vector<OUString>& SfxStringListItem::GetList () const
 122 {
 123     return (const_cast< SfxStringListItem * >(this))->GetList();
 124 }
 125
 126
 127 bool SfxStringListItem::operator==( const SfxPoolItem& rItem ) const
 128 {
 129     DBG_ASSERT( SfxPoolItem::operator==( rItem ), "unequal type" );
 130
 131     const SfxStringListItem& rSSLItem = static_cast<const SfxStringListItem&>(rItem);
 132
 133     return pImp == rSSLItem.pImp;
 134 }
 135
 136
 137 bool SfxStringListItem::GetPresentation
 138 (
 139     SfxItemPresentation     /*ePresentation*/,
 140     SfxMapUnit              /*eCoreMetric*/,
 141     SfxMapUnit              /*ePresentationMetric*/,
 142     OUString&               rText,
 143     const IntlWrapper *
 144 )   const
 145 {
 146     rText = "(List)";
 147     return false;
 148 }
 149
 150
 151 SfxPoolItem* SfxStringListItem::Clone( SfxItemPool *) const
 152 {
 153     return new SfxStringListItem( *this );
 154     /*
 155     if( pImp )
 156         return new SfxStringListItem( Which(), &(pImp->aList) );
 157     else
 158         return new SfxStringListItem( Which(), NULL );
 159     */
 160
 161 }
 162
 163
 164 SfxPoolItem* SfxStringListItem::Create( SvStream & rStream, sal_uInt16 ) const
 165 {
 166     return new SfxStringListItem( Which(), rStream );
 167 }
 168
 169
 170 SvStream& SfxStringListItem::Store( SvStream & rStream, sal_uInt16 ) const
 171 {
 172     if( !pImp )
 173     {
 174         rStream.WriteInt32( 0 );
 175         return rStream;
 176     }
 177
 178     DBG_ASSERT(pImp->nRefCount!=0xffff,"ImpList not valid");
 179
 180     sal_uInt32 nCount = pImp->aList.size();
 181     rStream.WriteUInt32( nCount );
 182
 183     for( sal_uInt32 i=0; i < nCount; i++ )
 184         writeByteString(rStream, pImp->aList[i]);
 185
 186     return rStream;
 187 }
 188
 189
 190 void SfxStringListItem::SetString( const OUString& rStr )
 191 {
 192     DBG_ASSERT(GetRefCount()==0,"SetString:RefCount!=0");
 193
 194     if ( pImp && (pImp->nRefCount == 1) )
 195         delete pImp;
 196     else if( pImp )
 197         pImp->nRefCount--;
 198     pImp = new SfxImpStringList;
 199
 200     sal_Int32 nStart = 0;
 201     OUString aStr(convertLineEnd(rStr, LINEEND_CR));
 202     for (;;)
 203     {
 204         const sal_Int32 nDelimPos = aStr.indexOf( '\r', nStart );
 205         if ( nDelimPos < 0 )
 206         {
 207             if (nStart<aStr.getLength())
 208             {
 209                 // put last string only if not empty
 210                 pImp->aList.push_back(aStr.copy(nStart));
 211             }
 212             break;
 213         }
 214
 215         pImp->aList.push_back(aStr.copy(nStart, nDelimPos-nStart));
 216
 217         // skip both inserted string and delimiter
 218         nStart = nDelimPos + 1 ;
 219     }
 220 }
 221
 222
 223 OUString SfxStringListItem::GetString()
 224 {
 225     OUString aStr;
 226     if ( pImp )
 227     {
 228         DBG_ASSERT(pImp->nRefCount!=0xffff,"ImpList not valid");
 229
 230         std::vector<OUString>::iterator iter = pImp->aList.begin();
 231         for (;;)
 232         {
 233             aStr += *iter;
 234             ++iter;
 235
 236             if (iter == pImp->aList.end())
 237                 break;
 238
 239             aStr += "\r";
 240         }
 241     }
 242     return convertLineEnd(aStr, GetSystemLineEnd());
 243 }
 244
 245
 246 void SfxStringListItem::SetStringList( const com::sun::star::uno::Sequence< OUString >& rList )
 247 {
 248     DBG_ASSERT(GetRefCount()==0,"SetString:RefCount!=0");
 249
 250     if ( pImp && (pImp->nRefCount == 1) )
 251         delete pImp;
 252     else if( pImp )
 253         pImp->nRefCount--;
 254     pImp = new SfxImpStringList;
 255
 256     // String belongs to the list
 257     for ( sal_Int32 n = 0; n < rList.getLength(); n++ )
 258         pImp->aList.push_back(rList[n]);
 259 }
 260
 261 void SfxStringListItem::GetStringList( com::sun::star::uno::Sequence< OUString >& rList ) const
 262 {
 263     long nCount = pImp->aList.size();
 264
 265     rList.realloc( nCount );
 266     for( long i=0; i < nCount; i++ )
 267         rList[i] = pImp->aList[i];
 268 }
 269
 270 // virtual
 271 bool SfxStringListItem::PutValue( const com::sun::star::uno::Any& rVal, sal_uInt8 )
 272 {
 273     com::sun::star::uno::Sequence< OUString > aValue;
 274     if ( rVal >>= aValue )
 275     {
 276         SetStringList( aValue );
 277         return true;
 278     }
 279
 280     OSL_FAIL( "SfxStringListItem::PutValue - Wrong type!" );
 281     return false;
 282 }
 283
 284 // virtual
 285 bool SfxStringListItem::QueryValue( com::sun::star::uno::Any& rVal, sal_uInt8 ) const
 286 {
 287     // GetString() is not const!!!
 288     SfxStringListItem* pThis = const_cast< SfxStringListItem * >( this );
 289
 290     com::sun::star::uno::Sequence< OUString > aStringList;
 291     pThis->GetStringList( aStringList );
 292     rVal = ::com::sun::star::uno::makeAny( aStringList );
 293     return true;
 294 }
 295
 296
 297 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */