basic/source/sbx/sbxcoll.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 <tools/stream.hxx>
  21
  22 #include <basic/sbx.hxx>
  23 #include "sbxres.hxx"
  24
  25 TYPEINIT1(SbxCollection,SbxObject)
  26 TYPEINIT1(SbxStdCollection,SbxCollection)
  27
  28 static OUString pCount;
  29 static OUString pAdd;
  30 static OUString pItem;
  31 static OUString pRemove;
  32 static sal_uInt16 nCountHash = 0, nAddHash, nItemHash, nRemoveHash;
  33
  34
  35 SbxCollection::SbxCollection( const OUString& rClass )
  36              : SbxObject( rClass )
  37 {
  38     if( !nCountHash )
  39     {
  40         pCount  = rtl::OUString::createFromAscii(GetSbxRes( STRING_COUNTPROP ));
  41         pAdd    = rtl::OUString::createFromAscii(GetSbxRes( STRING_ADDMETH ));
  42         pItem   = rtl::OUString::createFromAscii(GetSbxRes( STRING_ITEMMETH ));
  43         pRemove = rtl::OUString::createFromAscii(GetSbxRes( STRING_REMOVEMETH ));
  44         nCountHash  = MakeHashCode( pCount );
  45         nAddHash    = MakeHashCode( pAdd );
  46         nItemHash   = MakeHashCode( pItem );
  47         nRemoveHash = MakeHashCode( pRemove );
  48     }
  49     Initialize();
  50     // For Access on itself
  51     StartListening( GetBroadcaster(), sal_True );
  52 }
  53
  54 SbxCollection::SbxCollection( const SbxCollection& rColl )
  55     : SvRefBase( rColl ), SbxObject( rColl )
  56 {}
  57
  58 SbxCollection& SbxCollection::operator=( const SbxCollection& r )
  59 {
  60     if( &r != this )
  61         SbxObject::operator=( r );
  62     return *this;
  63 }
  64
  65 SbxCollection::~SbxCollection()
  66 {}
  67
  68 void SbxCollection::Clear()
  69 {
  70     SbxObject::Clear();
  71     Initialize();
  72 }
  73
  74 void SbxCollection::Initialize()
  75 {
  76     SetType( SbxOBJECT );
  77     SetFlag( SBX_FIXED );
  78     ResetFlag( SBX_WRITE );
  79     SbxVariable* p;
  80     p = Make( pCount , SbxCLASS_PROPERTY, SbxINTEGER );
  81     p->ResetFlag( SBX_WRITE );
  82     p->SetFlag( SBX_DONTSTORE );
  83     p = Make( pAdd, SbxCLASS_METHOD, SbxEMPTY );
  84     p->SetFlag( SBX_DONTSTORE );
  85     p = Make( pItem , SbxCLASS_METHOD, SbxOBJECT );
  86     p->SetFlag( SBX_DONTSTORE );
  87     p = Make( pRemove, SbxCLASS_METHOD, SbxEMPTY );
  88     p->SetFlag( SBX_DONTSTORE );
  89 }
  90
  91 SbxVariable* SbxCollection::FindUserData( sal_uInt32 nData )
  92 {
  93     if( GetParameters() )
  94     {
  95         SbxObject* pObj = (SbxObject*) GetObject();
  96         return pObj ? pObj->FindUserData( nData ) : NULL;
  97     }
  98     else
  99     {
 100         return SbxObject::FindUserData( nData );
 101     }
 102 }
 103
 104 SbxVariable* SbxCollection::Find( const rtl::OUString& rName, SbxClassType t )
 105 {
 106     if( GetParameters() )
 107     {
 108         SbxObject* pObj = (SbxObject*) GetObject();
 109         return pObj ? pObj->Find( rName, t ) : NULL;
 110     }
 111     else
 112     {
 113         return SbxObject::Find( rName, t );
 114     }
 115 }
 116
 117 void SbxCollection::SFX_NOTIFY( SfxBroadcaster& rCst, const TypeId& rId1,
 118                                 const SfxHint& rHint, const TypeId& rId2 )
 119 {
 120     const SbxHint* p = PTR_CAST(SbxHint,&rHint);
 121     if( p )
 122     {
 123         sal_uIntPtr nId = p->GetId();
 124         bool bRead  = ( nId == SBX_HINT_DATAWANTED );
 125         bool bWrite = ( nId == SBX_HINT_DATACHANGED );
 126         SbxVariable* pVar = p->GetVar();
 127         SbxArray* pArg = pVar->GetParameters();
 128         if( bRead || bWrite )
 129         {
 130             OUString aVarName( pVar->GetName() );
 131             if( pVar == this )
 132             {
 133                 CollItem( pArg );
 134             }
 135             else if( pVar->GetHashCode() == nCountHash
 136                   && aVarName.equalsIgnoreAsciiCase( pCount ) )
 137             {
 138                 pVar->PutLong( pObjs->Count() );
 139             }
 140             else if( pVar->GetHashCode() == nAddHash
 141                   && aVarName.equalsIgnoreAsciiCase( pAdd ) )
 142             {
 143                 CollAdd( pArg );
 144             }
 145             else if( pVar->GetHashCode() == nItemHash
 146                   && aVarName.equalsIgnoreAsciiCase( pItem ) )
 147             {
 148                 CollItem( pArg );
 149             }
 150             else if( pVar->GetHashCode() == nRemoveHash
 151                   && aVarName.equalsIgnoreAsciiCase( pRemove ) )
 152             {
 153                 CollRemove( pArg );
 154             }
 155             else
 156             {
 157                 SbxObject::SFX_NOTIFY( rCst, rId1, rHint, rId2 );
 158             }
 159             return;
 160         }
 161     }
 162     SbxObject::SFX_NOTIFY( rCst, rId1, rHint, rId2 );
 163 }
 164
 165 // Default: argument is object
 166
 167 void SbxCollection::CollAdd( SbxArray* pPar_ )
 168 {
 169     if( pPar_->Count() != 2 )
 170     {
 171         SetError( SbxERR_WRONG_ARGS );
 172     }
 173     else
 174     {
 175         SbxBase* pObj = pPar_->Get( 1 )->GetObject();
 176         if( !pObj || !( pObj->ISA(SbxObject) ) )
 177         {
 178             SetError( SbxERR_NOTIMP );
 179         }
 180         else
 181         {
 182             Insert( (SbxObject*) pObj );
 183         }
 184     }
 185 }
 186
 187 // Default: index from 1 or object name
 188
 189 void SbxCollection::CollItem( SbxArray* pPar_ )
 190 {
 191     if( pPar_->Count() != 2 )
 192     {
 193         SetError( SbxERR_WRONG_ARGS );
 194     }
 195     else
 196     {
 197         SbxVariable* pRes = NULL;
 198         SbxVariable* p = pPar_->Get( 1 );
 199         if( p->GetType() == SbxSTRING )
 200         {
 201             pRes = Find( p->GetOUString(), SbxCLASS_OBJECT );
 202         }
 203         else
 204         {
 205             short n = p->GetInteger();
 206             if( n >= 1 && n <= (short) pObjs->Count() )
 207             {
 208                 pRes = pObjs->Get( (sal_uInt16) n - 1 );
 209             }
 210         }
 211         if( !pRes )
 212         {
 213             SetError( SbxERR_BAD_INDEX );
 214         }
 215         pPar_->Get( 0 )->PutObject( pRes );
 216     }
 217 }
 218
 219 // Default: index from 1
 220
 221 void SbxCollection::CollRemove( SbxArray* pPar_ )
 222 {
 223     if( pPar_->Count() != 2 )
 224         SetError( SbxERR_WRONG_ARGS );
 225     else
 226     {
 227         short n = pPar_->Get( 1 )->GetInteger();
 228         if( n < 1 || n > (short) pObjs->Count() )
 229             SetError( SbxERR_BAD_INDEX );
 230         else
 231             Remove( pObjs->Get( (sal_uInt16) n - 1 ) );
 232     }
 233 }
 234
 235 sal_Bool SbxCollection::LoadData( SvStream& rStrm, sal_uInt16 nVer )
 236 {
 237     sal_Bool bRes = SbxObject::LoadData( rStrm, nVer );
 238     Initialize();
 239     return bRes;
 240 }
 241
 242
 243 SbxStdCollection::SbxStdCollection
 244                     ( const OUString& rClass, const OUString& rElem, sal_Bool b )
 245                   : SbxCollection( rClass ), aElemClass( rElem ),
 246                     bAddRemoveOk( b )
 247 {}
 248
 249 SbxStdCollection::SbxStdCollection( const SbxStdCollection& r )
 250                   : SvRefBase( r ), SbxCollection( r ),
 251                     aElemClass( r.aElemClass ), bAddRemoveOk( r.bAddRemoveOk )
 252 {}
 253
 254 SbxStdCollection& SbxStdCollection::operator=( const SbxStdCollection& r )
 255 {
 256     if( &r != this )
 257     {
 258         if( !r.aElemClass.equalsIgnoreAsciiCase( aElemClass ) )
 259         {
 260             SetError( SbxERR_CONVERSION );
 261         }
 262         else
 263         {
 264             SbxCollection::operator=( r );
 265         }
 266     }
 267     return *this;
 268 }
 269
 270 SbxStdCollection::~SbxStdCollection()
 271 {}
 272
 273 // Default: Error, if wrong object
 274
 275 void SbxStdCollection::Insert( SbxVariable* p )
 276 {
 277     SbxObject* pObj = PTR_CAST(SbxObject,p);
 278     if( pObj && !pObj->IsClass( aElemClass ) )
 279         SetError( SbxERR_BAD_ACTION );
 280     else
 281         SbxCollection::Insert( p );
 282 }
 283
 284 void SbxStdCollection::CollAdd( SbxArray* pPar_ )
 285 {
 286     if( !bAddRemoveOk )
 287         SetError( SbxERR_BAD_ACTION );
 288     else
 289         SbxCollection::CollAdd( pPar_ );
 290 }
 291
 292 void SbxStdCollection::CollRemove( SbxArray* pPar_ )
 293 {
 294     if( !bAddRemoveOk )
 295         SetError( SbxERR_BAD_ACTION );
 296     else
 297         SbxCollection::CollRemove( pPar_ );
 298 }
 299
 300 sal_Bool SbxStdCollection::LoadData( SvStream& rStrm, sal_uInt16 nVer )
 301 {
 302     sal_Bool bRes = SbxCollection::LoadData( rStrm, nVer );
 303     if( bRes )
 304     {
 305         aElemClass = read_lenPrefixed_uInt8s_ToOUString<sal_uInt16>(rStrm,
 306             RTL_TEXTENCODING_ASCII_US);
 307         rStrm >> bAddRemoveOk;
 308     }
 309     return bRes;
 310 }
 311
 312 sal_Bool SbxStdCollection::StoreData( SvStream& rStrm ) const
 313 {
 314     sal_Bool bRes = SbxCollection::StoreData( rStrm );
 315     if( bRes )
 316     {
 317         write_lenPrefixed_uInt8s_FromOUString<sal_uInt16>(rStrm, aElemClass,
 318             RTL_TEXTENCODING_ASCII_US);
 319         rStrm << bAddRemoveOk;
 320     }
 321     return bRes;
 322 }
 323
 324 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */