1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_svx.hxx" 26 #include "fmexch.hxx" 27 28 #include <sot/storage.hxx> 29 #include <svl/itempool.hxx> 30 31 #ifndef _SVX_DBEXCH_HRC 32 #include <svx/dbexch.hrc> 33 #endif 34 #include <sot/formats.hxx> 35 #include <svtools/svtreebx.hxx> 36 #include <tools/diagnose_ex.h> 37 38 #define _SVSTDARR_ULONGS 39 #include <svl/svstdarr.hxx> 40 41 //........................................................................ 42 namespace svxform 43 { 44 //........................................................................ 45 46 using namespace ::com::sun::star::uno; 47 using namespace ::com::sun::star::datatransfer; 48 49 //==================================================================== 50 //= OLocalExchange 51 //==================================================================== 52 //-------------------------------------------------------------------- OLocalExchange()53 OLocalExchange::OLocalExchange( ) 54 :m_bDragging( sal_False ) 55 ,m_bClipboardOwner( sal_False ) 56 { 57 } 58 59 //-------------------------------------------------------------------- copyToClipboard(Window * _pWindow,const GrantAccess &)60 void OLocalExchange::copyToClipboard( Window* _pWindow, const GrantAccess& ) 61 { 62 if ( m_bClipboardOwner ) 63 { // simulate a lostOwnership to notify parties interested in 64 if ( m_aClipboardListener.IsSet() ) 65 m_aClipboardListener.Call( this ); 66 } 67 68 m_bClipboardOwner = sal_True; 69 CopyToClipboard( _pWindow ); 70 } 71 72 //-------------------------------------------------------------------- clear()73 void OLocalExchange::clear() 74 { 75 if ( isClipboardOwner() ) 76 { 77 try 78 { 79 Reference< clipboard::XClipboard > xClipBoard( getOwnClipboard() ); 80 if ( xClipBoard.is() ) 81 xClipBoard->setContents( NULL, NULL ); 82 } 83 catch( const Exception& ) 84 { 85 DBG_UNHANDLED_EXCEPTION(); 86 } 87 m_bClipboardOwner = sal_False; 88 } 89 } 90 91 //-------------------------------------------------------------------- lostOwnership(const Reference<clipboard::XClipboard> & _rxClipboard,const Reference<XTransferable> & _rxTrans)92 void SAL_CALL OLocalExchange::lostOwnership( const Reference< clipboard::XClipboard >& _rxClipboard, const Reference< XTransferable >& _rxTrans ) throw(RuntimeException) 93 { 94 TransferableHelper::implCallOwnLostOwnership( _rxClipboard, _rxTrans ); 95 m_bClipboardOwner = sal_False; 96 97 if ( m_aClipboardListener.IsSet() ) 98 m_aClipboardListener.Call( this ); 99 } 100 101 //-------------------------------------------------------------------- startDrag(Window * _pWindow,sal_Int8 _nDragSourceActions,const GrantAccess &)102 void OLocalExchange::startDrag( Window* _pWindow, sal_Int8 _nDragSourceActions, const GrantAccess& ) 103 { 104 m_bDragging = sal_True; 105 StartDrag( _pWindow, _nDragSourceActions ); 106 } 107 108 //-------------------------------------------------------------------- DragFinished(sal_Int8 nDropAction)109 void OLocalExchange::DragFinished( sal_Int8 nDropAction ) 110 { 111 TransferableHelper::DragFinished( nDropAction ); 112 m_bDragging = sal_False; 113 } 114 115 //-------------------------------------------------------------------- hasFormat(const DataFlavorExVector & _rFormats,sal_uInt32 _nFormatId)116 sal_Bool OLocalExchange::hasFormat( const DataFlavorExVector& _rFormats, sal_uInt32 _nFormatId ) 117 { 118 DataFlavorExVector::const_iterator aSearch; 119 120 for ( aSearch = _rFormats.begin(); aSearch != _rFormats.end(); ++aSearch ) 121 if ( aSearch->mnSotId == _nFormatId ) 122 break; 123 124 return aSearch != _rFormats.end(); 125 } 126 127 //-------------------------------------------------------------------- GetData(const::com::sun::star::datatransfer::DataFlavor &)128 sal_Bool OLocalExchange::GetData( const ::com::sun::star::datatransfer::DataFlavor& /*_rFlavor*/ ) 129 { 130 return sal_False; // do not have any formats by default 131 } 132 133 //==================================================================== 134 //= OControlTransferData 135 //==================================================================== 136 //-------------------------------------------------------------------- OControlTransferData()137 OControlTransferData::OControlTransferData( ) 138 :m_pFocusEntry( NULL ) 139 { 140 } 141 142 //-------------------------------------------------------------------- OControlTransferData(const Reference<XTransferable> & _rxTransferable)143 OControlTransferData::OControlTransferData( const Reference< XTransferable >& _rxTransferable ) 144 :m_pFocusEntry( NULL ) 145 { 146 TransferableDataHelper aExchangedData( _rxTransferable ); 147 148 // try the formats we know 149 if ( OControlExchange::hasControlPathFormat( aExchangedData.GetDataFlavorExVector() ) ) 150 { // paths to the controls, relative to a root 151 Sequence< Any > aControlPathData; 152 if ( aExchangedData.GetAny( OControlExchange::getControlPathFormatId() ) >>= aControlPathData ) 153 { 154 DBG_ASSERT( aControlPathData.getLength() >= 2, "OControlTransferData::OControlTransferData: invalid data for the control path format!" ); 155 if ( aControlPathData.getLength() >= 2 ) 156 { 157 aControlPathData[0] >>= m_xFormsRoot; 158 aControlPathData[1] >>= m_aControlPaths; 159 } 160 } 161 else 162 { 163 DBG_ERROR( "OControlTransferData::OControlTransferData: invalid data for the control path format (2)!" ); 164 } 165 } 166 if ( OControlExchange::hasHiddenControlModelsFormat( aExchangedData.GetDataFlavorExVector() ) ) 167 { // sequence of models of hidden controls 168 aExchangedData.GetAny( OControlExchange::getHiddenControlModelsFormatId() ) >>= m_aHiddenControlModels; 169 } 170 171 updateFormats( ); 172 } 173 174 //-------------------------------------------------------------------- lcl_fillDataFlavorEx(SotFormatStringId nId,DataFlavorEx & _rFlavor)175 static sal_Bool lcl_fillDataFlavorEx( SotFormatStringId nId, DataFlavorEx& _rFlavor ) 176 { 177 _rFlavor.mnSotId = nId; 178 return SotExchange::GetFormatDataFlavor( _rFlavor.mnSotId, _rFlavor ); 179 } 180 181 //-------------------------------------------------------------------- updateFormats()182 void OControlTransferData::updateFormats( ) 183 { 184 m_aCurrentFormats.clear(); 185 m_aCurrentFormats.reserve( 3 ); 186 187 DataFlavorEx aFlavor; 188 189 if ( m_aHiddenControlModels.getLength() ) 190 { 191 if ( lcl_fillDataFlavorEx( OControlExchange::getHiddenControlModelsFormatId(), aFlavor ) ) 192 m_aCurrentFormats.push_back( aFlavor ); 193 } 194 195 if ( m_xFormsRoot.is() && m_aControlPaths.getLength() ) 196 { 197 if ( lcl_fillDataFlavorEx( OControlExchange::getControlPathFormatId(), aFlavor ) ) 198 m_aCurrentFormats.push_back( aFlavor ); 199 } 200 201 if ( !m_aSelectedEntries.empty() ) 202 { 203 if ( lcl_fillDataFlavorEx( OControlExchange::getFieldExchangeFormatId(), aFlavor ) ) 204 m_aCurrentFormats.push_back( aFlavor ); 205 } 206 } 207 208 //-------------------------------------------------------------------- onEntryRemoved(SvLBoxEntry * _pEntry)209 size_t OControlTransferData::onEntryRemoved( SvLBoxEntry* _pEntry ) 210 { 211 m_aSelectedEntries.erase( _pEntry ); 212 return m_aSelectedEntries.size(); 213 } 214 215 //-------------------------------------------------------------------- addSelectedEntry(SvLBoxEntry * _pEntry)216 void OControlTransferData::addSelectedEntry( SvLBoxEntry* _pEntry ) 217 { 218 m_aSelectedEntries.insert( _pEntry ); 219 } 220 221 //-------------------------------------------------------------------- setFocusEntry(SvLBoxEntry * _pFocusEntry)222 void OControlTransferData::setFocusEntry( SvLBoxEntry* _pFocusEntry ) 223 { 224 m_pFocusEntry = _pFocusEntry; 225 } 226 227 //------------------------------------------------------------------------ addHiddenControlsFormat(const::com::sun::star::uno::Sequence<::com::sun::star::uno::Reference<::com::sun::star::uno::XInterface>> seqInterfaces)228 void OControlTransferData::addHiddenControlsFormat(const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Reference< ::com::sun::star::uno::XInterface > > seqInterfaces) 229 { 230 m_aHiddenControlModels = seqInterfaces; 231 } 232 233 //------------------------------------------------------------------------ buildPathFormat(SvTreeListBox * pTreeBox,SvLBoxEntry * pRoot)234 void OControlTransferData::buildPathFormat(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot) 235 { 236 m_aControlPaths.realloc(0); 237 238 sal_Int32 nEntryCount = m_aSelectedEntries.size(); 239 if (nEntryCount == 0) 240 return; 241 242 m_aControlPaths.realloc(nEntryCount); 243 ::com::sun::star::uno::Sequence<sal_uInt32>* pAllPaths = m_aControlPaths.getArray(); 244 for ( ListBoxEntrySet::const_iterator loop = m_aSelectedEntries.begin(); 245 loop != m_aSelectedEntries.end(); 246 ++loop, ++pAllPaths 247 ) 248 { 249 // erst mal sammeln wir den Pfad in einem Array ein 250 ::std::vector< sal_uInt32 > aCurrentPath; 251 SvLBoxEntry* pCurrentEntry = *loop; 252 253 SvLBoxEntry* pLoop = pCurrentEntry; 254 while (pLoop != pRoot) 255 { 256 aCurrentPath.push_back(pLoop->GetChildListPos()); 257 pLoop = pTreeBox->GetParent(pLoop); 258 DBG_ASSERT((pLoop != NULL) || (pRoot == 0), "OControlTransferData::buildPathFormat: invalid root or entry !"); 259 // pLoop == NULL heisst, dass ich am oberen Ende angelangt bin, dann sollte das Ganze abbrechen, was nur bei pRoot == NULL der Fall sein wird 260 } 261 262 // dann koennen wir ihn in die ::com::sun::star::uno::Sequence uebertragen 263 Sequence<sal_uInt32>& rCurrentPath = *pAllPaths; 264 sal_Int32 nDepth = aCurrentPath.size(); 265 266 rCurrentPath.realloc(nDepth); 267 sal_uInt32* pSeq = rCurrentPath.getArray(); 268 sal_Int32 j,k; 269 for (j = nDepth - 1, k = 0; k<nDepth; --j, ++k) 270 pSeq[j] = aCurrentPath[k]; 271 } 272 } 273 274 //------------------------------------------------------------------------ buildListFromPath(SvTreeListBox * pTreeBox,SvLBoxEntry * pRoot)275 void OControlTransferData::buildListFromPath(SvTreeListBox* pTreeBox, SvLBoxEntry* pRoot) 276 { 277 ListBoxEntrySet aEmpty; 278 m_aSelectedEntries.swap( aEmpty ); 279 280 sal_Int32 nControls = m_aControlPaths.getLength(); 281 const ::com::sun::star::uno::Sequence<sal_uInt32>* pPaths = m_aControlPaths.getConstArray(); 282 for (sal_Int32 i=0; i<nControls; ++i) 283 { 284 sal_Int32 nThisPatLength = pPaths[i].getLength(); 285 const sal_uInt32* pThisPath = pPaths[i].getConstArray(); 286 SvLBoxEntry* pSearch = pRoot; 287 for (sal_Int32 j=0; j<nThisPatLength; ++j) 288 pSearch = pTreeBox->GetEntry(pSearch, pThisPath[j]); 289 290 m_aSelectedEntries.insert( pSearch ); 291 } 292 } 293 294 //==================================================================== 295 //= OControlExchange 296 //==================================================================== 297 //-------------------------------------------------------------------- OControlExchange()298 OControlExchange::OControlExchange( ) 299 { 300 } 301 302 //-------------------------------------------------------------------- GetData(const DataFlavor & _rFlavor)303 sal_Bool OControlExchange::GetData( const DataFlavor& _rFlavor ) 304 { 305 const sal_uInt32 nFormatId = SotExchange::GetFormat( _rFlavor ); 306 307 if ( getControlPathFormatId( ) == nFormatId ) 308 { 309 // ugly. We have to pack all the info into one object 310 Sequence< Any > aCompleteInfo( 2 ); 311 OSL_ENSURE( m_xFormsRoot.is(), "OLocalExchange::GetData: invalid forms root for this format!" ); 312 aCompleteInfo.getArray()[ 0 ] <<= m_xFormsRoot; 313 aCompleteInfo.getArray()[ 1 ] <<= m_aControlPaths; 314 315 SetAny( makeAny( aCompleteInfo ), _rFlavor ); 316 } 317 else if ( getHiddenControlModelsFormatId() == nFormatId ) 318 { 319 // just need to transfer the models 320 SetAny( makeAny( m_aHiddenControlModels ), _rFlavor ); 321 } 322 else 323 return OLocalExchange::GetData( _rFlavor ); 324 325 return sal_True; 326 } 327 328 //-------------------------------------------------------------------- AddSupportedFormats()329 void OControlExchange::AddSupportedFormats() 330 { 331 if (m_pFocusEntry && !m_aSelectedEntries.empty()) 332 AddFormat(getFieldExchangeFormatId()); 333 334 if (m_aControlPaths.getLength()) 335 AddFormat(getControlPathFormatId()); 336 337 if (m_aHiddenControlModels.getLength()) 338 AddFormat(getHiddenControlModelsFormatId()); 339 } 340 341 //-------------------------------------------------------------------- getControlPathFormatId()342 sal_uInt32 OControlExchange::getControlPathFormatId() 343 { 344 static sal_uInt32 s_nFormat = (sal_uInt32)-1; 345 if ((sal_uInt32)-1 == s_nFormat) 346 { 347 s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.ControlPathExchange\"")); 348 DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getControlPathFormatId: bad exchange id!"); 349 } 350 return s_nFormat; 351 } 352 353 //-------------------------------------------------------------------- getHiddenControlModelsFormatId()354 sal_uInt32 OControlExchange::getHiddenControlModelsFormatId() 355 { 356 static sal_uInt32 s_nFormat = (sal_uInt32)-1; 357 if ((sal_uInt32)-1 == s_nFormat) 358 { 359 s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.HiddenControlModelsExchange\"")); 360 DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getHiddenControlModelsFormatId: bad exchange id!"); 361 } 362 return s_nFormat; 363 } 364 365 //-------------------------------------------------------------------- getFieldExchangeFormatId()366 sal_uInt32 OControlExchange::getFieldExchangeFormatId() 367 { 368 static sal_uInt32 s_nFormat = (sal_uInt32)-1; 369 if ((sal_uInt32)-1 == s_nFormat) 370 { 371 s_nFormat = SotExchange::RegisterFormatName(String::CreateFromAscii("application/x-openoffice;windows_formatname=\"svxform.FieldNameExchange\"")); 372 DBG_ASSERT((sal_uInt32)-1 != s_nFormat, "OControlExchange::getFieldExchangeFormatId: bad exchange id!"); 373 } 374 return s_nFormat; 375 } 376 377 //==================================================================== 378 //= OControlExchangeHelper 379 //==================================================================== createExchange() const380 OLocalExchange* OControlExchangeHelper::createExchange() const 381 { 382 return new OControlExchange; 383 } 384 385 //==================================================================== 386 //= OLocalExchangeHelper 387 //==================================================================== 388 //-------------------------------------------------------------------- OLocalExchangeHelper(Window * _pDragSource)389 OLocalExchangeHelper::OLocalExchangeHelper(Window* _pDragSource) 390 :m_pDragSource(_pDragSource) 391 ,m_pTransferable(NULL) 392 { 393 } 394 395 //-------------------------------------------------------------------- ~OLocalExchangeHelper()396 OLocalExchangeHelper::~OLocalExchangeHelper() 397 { 398 implReset(); 399 } 400 401 //-------------------------------------------------------------------- startDrag(sal_Int8 nDragSourceActions)402 void OLocalExchangeHelper::startDrag( sal_Int8 nDragSourceActions ) 403 { 404 DBG_ASSERT(m_pTransferable, "OLocalExchangeHelper::startDrag: not prepared!"); 405 m_pTransferable->startDrag( m_pDragSource, nDragSourceActions, OLocalExchange::GrantAccess() ); 406 } 407 408 //-------------------------------------------------------------------- copyToClipboard() const409 void OLocalExchangeHelper::copyToClipboard( ) const 410 { 411 DBG_ASSERT( m_pTransferable, "OLocalExchangeHelper::copyToClipboard: not prepared!" ); 412 m_pTransferable->copyToClipboard( m_pDragSource, OLocalExchange::GrantAccess() ); 413 } 414 415 //-------------------------------------------------------------------- implReset()416 void OLocalExchangeHelper::implReset() 417 { 418 if (m_pTransferable) 419 { 420 m_pTransferable->setClipboardListener( Link() ); 421 m_pTransferable->release(); 422 m_pTransferable = NULL; 423 } 424 } 425 426 //-------------------------------------------------------------------- prepareDrag()427 void OLocalExchangeHelper::prepareDrag( ) 428 { 429 DBG_ASSERT(!m_pTransferable || !m_pTransferable->isDragging(), "OLocalExchangeHelper::prepareDrag: recursive DnD?"); 430 431 implReset(); 432 m_pTransferable = createExchange(); 433 m_pTransferable->acquire(); 434 } 435 436 //........................................................................ 437 } 438 //........................................................................ 439 440