Source/Base/FieldContainer/Connector/OSGConnectorAttachment.cpp

   1 /*---------------------------------------------------------------------------*\
   2  *                                OpenSG                                     *
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   5  *               Copyright (C) 2000-2006 by the OpenSG Forum                 *
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  28 \*---------------------------------------------------------------------------*/
  29 /*---------------------------------------------------------------------------*\
  30  *                                Changes                                    *
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  37 \*---------------------------------------------------------------------------*/
  38
  39 //---------------------------------------------------------------------------
  40 //  Includes
  41 //---------------------------------------------------------------------------
  42
  43 #include <cstdlib>
  44 #include <cstdio>
  45
  46 #include <boost/bind.hpp>
  47
  48 #include "OSGConfig.h"
  49
  50 #include "OSGConnectorAttachment.h"
  51 #include "OSGAttachmentContainer.h"
  52
  53 OSG_BEGIN_NAMESPACE
  54
  55 // Documentation for this class is emitted in the
  56 // OSGConnectorAttachmentBase.cpp file.
  57 // To modify it, please change the .fcd file (OSGConnectorAttachment.fcd) and
  58 // regenerate the base file.
  59
  60 /***************************************************************************\
  61  *                           Class variables                               *
  62 \***************************************************************************/
  63
  64 /***************************************************************************\
  65  *                           Class methods                                 *
  66 \***************************************************************************/
  67
  68 void ConnectorAttachment::initMethod(InitPhase ePhase)
  69 {
  70     Inherited::initMethod(ePhase);
  71
  72     if(ePhase == TypeObject::SystemPost)
  73     {
  74     }
  75 }
  76
  77
  78 /***************************************************************************\
  79  *                           Instance methods                              *
  80 \***************************************************************************/
  81
  82 /*-------------------------------------------------------------------------*\
  83  -  private                                                                 -
  84 \*-------------------------------------------------------------------------*/
  85
  86 /*----------------------- constructors & destructors ----------------------*/
  87
  88 ConnectorAttachment::ConnectorAttachment(void) :
  89      Inherited   (),
  90     _vConnections()
  91 {
  92 }
  93
  94 ConnectorAttachment::ConnectorAttachment(const ConnectorAttachment &source) :
  95      Inherited   (source),
  96     _vConnections(      )
  97 {
  98 }
  99
 100 ConnectorAttachment::~ConnectorAttachment(void)
 101 {
 102 }
 103
 104 /*----------------------------- class specific ----------------------------*/
 105
 106 void ConnectorAttachment::changed(ConstFieldMaskArg whichField,
 107                             UInt32            origin,
 108                             BitVector         details)
 109 {
 110     Inherited::changed(whichField, origin, details);
 111 }
 112
 113 void ConnectorAttachment::dump(      UInt32    ,
 114                                const BitVector ) const
 115 {
 116     SLOG << "Dump ConnectorAttachment NI" << std::endl;
 117 }
 118
 119 void ConnectorAttachment::addConnection (BasicFieldConnector *pConnector)
 120 {
 121     if(pConnector != NULL)
 122     {
 123         _vConnections.push_back(pConnector);
 124     }
 125 }
 126
 127 void ConnectorAttachment::processChanged(FieldContainer *pObj,
 128                                          BitVector       whichField,
 129                                          UInt32          origin    )
 130 {
 131     ConnectionStore::const_iterator cIt  = _vConnections.begin();
 132     ConnectionStore::const_iterator cEnd = _vConnections.end  ();
 133
 134     while(cIt != cEnd)
 135     {
 136         if((*cIt)->match(whichField) == true)
 137         {
 138             (*cIt)->process();
 139         }
 140
 141         ++cIt;
 142     }
 143 }
 144
 145 void ConnectorAttachment::targetDestroyed(FieldContainer *pObj,
 146                                           BitVector       whichField,
 147                                           UInt32          origin    )
 148 {
 149     if(whichField == 0x0000)
 150     {
 151         this->removeConnectionTo(pObj);
 152     }
 153 }
 154
 155 bool ConnectorAttachment::hasConnectionTo(const FieldContainer *pDst) const
 156 {
 157     bool returnValue = false;
 158
 159     ConnectionStore::const_iterator cIt  = _vConnections.begin();
 160     ConnectionStore::const_iterator cEnd = _vConnections.end  ();
 161
 162     while(cIt != cEnd)
 163     {
 164         if((*cIt)->getDst() == pDst)
 165         {
 166             returnValue = true;
 167             break;
 168         }
 169
 170         ++cIt;
 171     }
 172
 173     return returnValue;
 174 }
 175
 176 void ConnectorAttachment::removeConnectionTo(const FieldContainer *pDst)
 177 {
 178     ConnectionStore::iterator       cIt  = _vConnections.begin();
 179     ConnectionStore::const_iterator cEnd = _vConnections.end  ();
 180
 181     while(cIt != cEnd)
 182     {
 183         if((*cIt)->getDst() == pDst)
 184         {
 185             delete (*cIt);
 186
 187             cIt = _vConnections.erase(cIt);
 188
 189             cEnd = _vConnections.end();
 190         }
 191         else
 192         {
 193             ++cIt;
 194         }
 195     }
 196 }
 197
 198 void ConnectorAttachment::removeConnections(      BitVector       bSrcMask,
 199                                             const FieldContainer *pDst,
 200                                                   BitVector       bDstMask)
 201 {
 202     ConnectionStore::iterator       cIt  = _vConnections.begin();
 203     ConnectionStore::const_iterator cEnd = _vConnections.end  ();
 204
 205     ConnectionCount mConnCount;
 206
 207     this->countConnections(mConnCount);
 208
 209     while(cIt != cEnd)
 210     {
 211         if((*cIt)->match(bSrcMask, pDst, bDstMask) == true)
 212         {
 213             --(mConnCount[(*cIt)->getDst()]);
 214
 215             delete (*cIt);
 216
 217             cIt = _vConnections.erase(cIt);
 218
 219             cEnd = _vConnections.end();
 220         }
 221         else
 222         {
 223             ++cIt;
 224         }
 225     }
 226
 227     ConnectionCount::const_iterator ccIt  = mConnCount.begin();
 228     ConnectionCount::const_iterator ccEnd = mConnCount.end  ();
 229
 230     while(ccIt != ccEnd)
 231     {
 232         if(ccIt->second == 0)
 233         {
 234             ccIt->first->subChangedFunctor(
 235                 boost::bind(&ConnectorAttachment::targetDestroyed,
 236                             this,
 237                             _1,
 238                             _2,
 239                             _3));
 240         }
 241
 242         ++ccIt;
 243     }
 244 }
 245
 246 void ConnectorAttachment::countConnections(ConnectionCount &mCount)
 247 {
 248     ConnectionStore::const_iterator cIt  = _vConnections.begin();
 249     ConnectionStore::const_iterator cEnd = _vConnections.end  ();
 250
 251     ConnectionCount::iterator ccIt;
 252
 253     while(cIt != cEnd)
 254     {
 255         ccIt = mCount.find((*cIt)->getDst());
 256
 257         if(ccIt == mCount.end())
 258         {
 259             mCount[(*cIt)->getDst()] = 1;
 260         }
 261         else
 262         {
 263             ++(ccIt->second);
 264         }
 265
 266         ++cIt;
 267     }
 268
 269 }
 270
 271 bool ConnectorAttachment::unlinkParent(FieldContainer * const pParent,
 272                                        UInt16           const parentFieldId)
 273 {
 274     pParent->subChangedFunctor(
 275         boost::bind(&ConnectorAttachment::processChanged,
 276                     this,
 277                     _1,
 278                     _2,
 279                     _3));
 280
 281     return Inherited::unlinkParent(pParent, parentFieldId);
 282 }
 283
 284 void ConnectorAttachment::resolveLinks(void)
 285 {
 286     for(UInt32 i = 0; i < _vConnections.size(); ++i)
 287     {
 288         FieldContainer *pDst = _vConnections[i]->getDst();
 289
 290         pDst->subChangedFunctor(
 291             boost::bind(&ConnectorAttachment::targetDestroyed,
 292                         this,
 293                         _1,
 294                         _2,
 295                         _3));
 296
 297         delete _vConnections[i];
 298     }
 299
 300     _vConnections.clear();
 301 }
 302
 303 /*---------------------------------------------------------------------*/
 304 /*! \name Connector handling                                           */
 305 /*! \{                                                                 */
 306
 307 /*! \ingroup GrpBaseFieldContainerConnector
 308     \relatesalso AttachmentContainer
 309  */
 310
 311 void addConnector(OSG::AttachmentContainer *pContainer,
 312                   OSG::BasicFieldConnector *pConn     )
 313 {
 314     if(pContainer == NULL)
 315     {
 316         FFATAL(("addConnector: no container?!?"));
 317         return;
 318     }
 319
 320     if(pConn == NULL)
 321     {
 322         FFATAL(("addConnector: no connector?!?"));
 323         return;
 324     }
 325
 326     ConnectorAttachmentUnrecPtr pCA = NULL;
 327
 328     Attachment          *att = pContainer->findAttachment(
 329         ConnectorAttachment::getClassType().getGroupId());
 330
 331     if(att == NULL)
 332     {
 333         pCA = ConnectorAttachment::createDependent(
 334             pContainer->getFieldFlags()->_bNamespaceMask);
 335
 336         pContainer->addChangedFunctor(
 337             boost::bind(&ConnectorAttachment::processChanged,
 338                         pCA.get(),
 339                         _1,
 340                         _2,
 341                         _3),
 342             "");
 343
 344         pContainer->addAttachment(pCA);
 345     }
 346     else
 347     {
 348         pCA = dynamic_cast<ConnectorAttachment *>(att);
 349
 350         if(pCA == NULL)
 351         {
 352             FFATAL(("setName: Attachment is not castable to Conn?!?"));
 353             return;
 354         }
 355     }
 356
 357     if(pCA->hasConnectionTo(pConn->getDst()) == false)
 358     {
 359         FieldContainer *pDst = pConn->getDst();
 360
 361         pDst->addChangedFunctor(
 362             boost::bind(&ConnectorAttachment::targetDestroyed,
 363                         pCA.get(),
 364                         _1,
 365                         _2,
 366                         _3),
 367             "");
 368     }
 369
 370     pCA->addConnection(pConn);
 371 }
 372
 373 /*! \ingroup GrpBaseFieldContainerConnector
 374     \relatesalso AttachmentContainer
 375  */
 376
 377 void subConnector(OSG::AttachmentContainer *pSrcContainer,
 378                   OSG::BitVector            bSrcMask,
 379                   OSG::FieldContainer      *pDstContainer,
 380                   OSG::BitVector            bDstMask)
 381 {
 382     if(pSrcContainer == NULL)
 383     {
 384         FFATAL(("subConnector: no container?!?"));
 385         return;
 386     }
 387
 388     ConnectorAttachmentUnrecPtr pCA = NULL;
 389
 390     Attachment          *att = pSrcContainer->findAttachment(
 391         ConnectorAttachment::getClassType().getGroupId());
 392
 393     pCA = dynamic_cast<ConnectorAttachment *>(att);
 394
 395     if(pCA != NULL)
 396     {
 397         pCA->removeConnections(bSrcMask, pDstContainer, bDstMask);
 398     }
 399 }
 400
 401 /*! \}                                                                 */
 402 /*---------------------------------------------------------------------*/
 403
 404 OSG_END_NAMESPACE