| 1 | // Copyright (c) 1998-1999 Matra Datavision |
| 2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
| 3 | // |
| 4 | // This file is part of Open CASCADE Technology software library. |
| 5 | // |
| 6 | // This library is free software; you can redistribute it and / or modify it |
| 7 | // under the terms of the GNU Lesser General Public version 2.1 as published |
| 8 | // by the Free Software Foundation, with special exception defined in the file |
| 9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
| 10 | // distribution for complete text of the license and disclaimer of any warranty. |
| 11 | // |
| 12 | // Alternatively, this file may be used under the terms of Open CASCADE |
| 13 | // commercial license or contractual agreement. |
| 14 | |
| 15 | #include <AIS_Selection.ixx> |
| 16 | #include <TCollection_AsciiString.hxx> |
| 17 | #include <TColStd_SequenceOfTransient.hxx> |
| 18 | |
| 19 | #define BUC60953 // SAV_050701 : the array of selected objects has always the same length |
| 20 | // independently of number of objects selected. Thus, if there were selected |
| 21 | // more than MaxSizeOfResult objects we have got an exception. |
| 22 | // Moreover, Select method was optimized a little bit. |
| 23 | // Now it checks the state of incoming owner. If the state is 0 |
| 24 | // there is no searching for object in <myresult> array. |
| 25 | |
| 26 | #define OCC138 |
| 27 | |
| 28 | #define OCC189 //SAV: 18//03/02 array was replaced with list. |
| 29 | |
| 30 | #define OCC1039 //SAV: 25/11/02 clearing selected objects if any on the AIS_Selection remove. |
| 31 | |
| 32 | #define USE_MAP //san : 18/04/03 USE_MAP - additional datamap is used to speed up access |
| 33 | //to certain owners in <myresult> list |
| 34 | |
| 35 | #ifdef BUC60953 |
| 36 | #include <SelectMgr_EntityOwner.hxx> |
| 37 | #endif |
| 38 | |
| 39 | #ifdef OCC138 //VTN Avoding infinit loop in AddOrRemoveSelected and AddOrRemoveCurrentObject methods. |
| 40 | #include <AIS_InteractiveObject.hxx> |
| 41 | #endif |
| 42 | |
| 43 | #ifndef USE_MAP |
| 44 | #define MaxSizeOfResult 10000 |
| 45 | #else |
| 46 | #define MaxSizeOfResult 100000 |
| 47 | #endif |
| 48 | |
| 49 | //current selection (handle) |
| 50 | static Handle(AIS_Selection) theCurrentSelection; |
| 51 | static void AIS_Sel_CurrentSelection (Handle(AIS_Selection)& InputSel) |
| 52 | { |
| 53 | if(!InputSel.IsNull()) |
| 54 | theCurrentSelection = InputSel; |
| 55 | else |
| 56 | InputSel = theCurrentSelection; |
| 57 | } |
| 58 | |
| 59 | static TColStd_SequenceOfTransient& AIS_Sel_GetSelections() |
| 60 | { |
| 61 | static TColStd_SequenceOfTransient Selections; |
| 62 | return Selections; |
| 63 | } |
| 64 | |
| 65 | //======================================================================= |
| 66 | //function : AIS_Selection |
| 67 | //purpose : |
| 68 | //======================================================================= |
| 69 | AIS_Selection::AIS_Selection(const Standard_CString aName) : |
| 70 | myName(TCollection_AsciiString(aName)), |
| 71 | #if !defined USE_MAP && !defined OCC189 |
| 72 | myresult(new TColStd_HArray1OfTransient(1,MaxSizeOfResult)), |
| 73 | #endif |
| 74 | myNb(0) |
| 75 | { |
| 76 | #ifdef USE_MAP |
| 77 | myResultMap.ReSize( MaxSizeOfResult ); // for maximum performnace on medium selections ( < 100000 objects ) |
| 78 | #endif |
| 79 | } |
| 80 | |
| 81 | //======================================================================= |
| 82 | //function : CreateSelection |
| 83 | //purpose : |
| 84 | //======================================================================= |
| 85 | Standard_Boolean AIS_Selection::CreateSelection(const Standard_CString aName) |
| 86 | { |
| 87 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
| 88 | if(!S.IsNull()) |
| 89 | return Standard_False; |
| 90 | S = new AIS_Selection(aName); |
| 91 | AIS_Sel_GetSelections().Prepend(S); |
| 92 | AIS_Sel_CurrentSelection(S); |
| 93 | return Standard_True; |
| 94 | } |
| 95 | |
| 96 | |
| 97 | //======================================================================= |
| 98 | //function : Selection |
| 99 | //purpose : |
| 100 | //======================================================================= |
| 101 | Handle(AIS_Selection) AIS_Selection::Selection(const Standard_CString aName) |
| 102 | { |
| 103 | Handle(AIS_Selection) S; |
| 104 | if(AIS_Sel_GetSelections().IsEmpty()) return S; |
| 105 | |
| 106 | Handle(Standard_Transient) curobj; |
| 107 | Handle(AIS_Selection) Sel; |
| 108 | // Standard_Boolean found(Standard_False); |
| 109 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
| 110 | curobj = AIS_Sel_GetSelections().Value(I); |
| 111 | Sel = *((Handle(AIS_Selection)*)&curobj); |
| 112 | if(Sel->myName.IsEqual(aName)) |
| 113 | return Sel; |
| 114 | } |
| 115 | |
| 116 | return S; |
| 117 | } |
| 118 | |
| 119 | //======================================================================= |
| 120 | //function : Find |
| 121 | //purpose : |
| 122 | //======================================================================= |
| 123 | Standard_Boolean AIS_Selection::Find(const Standard_CString aName) |
| 124 | { |
| 125 | Handle(AIS_Selection) S = AIS_Selection::Selection(aName); |
| 126 | return !S.IsNull(); |
| 127 | } |
| 128 | |
| 129 | //======================================================================= |
| 130 | //function : SetCurrentSelection |
| 131 | //purpose : |
| 132 | //======================================================================= |
| 133 | Standard_Boolean AIS_Selection::SetCurrentSelection (const Standard_CString aName) |
| 134 | { |
| 135 | AIS_Selection::CreateSelection(aName); |
| 136 | |
| 137 | |
| 138 | Handle(AIS_Selection) anAISSelection = AIS_Selection::Selection(aName) ; |
| 139 | AIS_Sel_CurrentSelection ( anAISSelection ) ; |
| 140 | return Standard_True; |
| 141 | } |
| 142 | |
| 143 | //======================================================================= |
| 144 | //function : Select |
| 145 | //purpose : |
| 146 | //======================================================================= |
| 147 | void AIS_Selection::Select() |
| 148 | { |
| 149 | Handle(AIS_Selection) S; |
| 150 | AIS_Sel_CurrentSelection (S); |
| 151 | if(!S.IsNull()){ |
| 152 | S->myNb=0; |
| 153 | #if defined OCC189 || defined USE_MAP |
| 154 | S->myresult.Clear(); |
| 155 | #ifdef USE_MAP |
| 156 | S->myResultMap.Clear(); |
| 157 | #endif |
| 158 | #endif |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | //======================================================================= |
| 163 | //function : CurrentSelection |
| 164 | //purpose : |
| 165 | //======================================================================= |
| 166 | Handle(AIS_Selection) AIS_Selection::CurrentSelection() { |
| 167 | Handle(AIS_Selection) S; |
| 168 | AIS_Sel_CurrentSelection (S); |
| 169 | return S; |
| 170 | } |
| 171 | //======================================================================= |
| 172 | //function : Select |
| 173 | //purpose : |
| 174 | //======================================================================= |
| 175 | AIS_SelectStatus AIS_Selection::Select(const Handle(Standard_Transient)& anObject) |
| 176 | { |
| 177 | Handle(AIS_Selection) S; |
| 178 | AIS_Sel_CurrentSelection (S); |
| 179 | if(S.IsNull()) return AIS_SS_NotDone; |
| 180 | Handle(AIS_InteractiveObject) anAISObj; |
| 181 | Handle(SelectMgr_EntityOwner) owner = Handle(SelectMgr_EntityOwner)::DownCast( anObject ); |
| 182 | if ( owner.IsNull() ) |
| 183 | anAISObj = Handle(AIS_InteractiveObject)::DownCast( anObject ); |
| 184 | #ifndef OCC189 |
| 185 | TColStd_Array1OfTransient& arr = S->myresult->ChangeArray1(); |
| 186 | |
| 187 | Standard_Integer Found(-1); |
| 188 | Standard_Integer i ; |
| 189 | |
| 190 | #ifdef BUC60953 |
| 191 | |
| 192 | Standard_Boolean selected = Standard_False; |
| 193 | if ( !owner.IsNull() ) |
| 194 | selected = owner->State() != 0; |
| 195 | #ifdef OCC138 |
| 196 | else if(!anAISObj.IsNull()) |
| 197 | selected = anAISObj->State(); |
| 198 | } |
| 199 | #endif |
| 200 | |
| 201 | if ( selected ) // looking up index of object |
| 202 | #endif |
| 203 | |
| 204 | for( i=arr.Lower() && Found==-1;i<=S->myNb;i++){ |
| 205 | if(arr(i)==anObject) |
| 206 | Found=i; |
| 207 | } |
| 208 | // If it is not inside, it is added... |
| 209 | |
| 210 | #ifdef BUC60953 |
| 211 | if ( !selected || Found == -1 ) { |
| 212 | #else |
| 213 | if(Found==-1){ |
| 214 | #endif |
| 215 | if((S->myNb)+1>arr.Length()){ |
| 216 | Handle(TColStd_HArray1OfTransient) NiouTab = new TColStd_HArray1OfTransient(1,arr.Length()+MaxSizeOfResult); |
| 217 | for(i=arr.Lower();i<=S->myNb;i++){ |
| 218 | const Handle(Standard_Transient)& T = S->myresult->Value(i); |
| 219 | NiouTab->SetValue(i,T); |
| 220 | } |
| 221 | #ifdef BUC60953 |
| 222 | S->myresult = NiouTab; |
| 223 | #endif |
| 224 | } |
| 225 | (S->myNb)++; |
| 226 | S->myresult->SetValue(S->myNb,anObject); |
| 227 | return AIS_SS_Added; |
| 228 | } |
| 229 | // it was inside and it is removed... |
| 230 | for(i=Found;i<=S->myNb;i++) |
| 231 | arr(i)=arr(i+1); |
| 232 | S->myNb--; |
| 233 | #elif !defined USE_MAP //OCC189 |
| 234 | AIS_NListTransient::Iterator anIter ( S->myresult ); |
| 235 | for ( ; anIter.More(); anIter.Next() ) |
| 236 | if ( anIter.Value() == anObject ) { |
| 237 | S->myresult.Remove( anIter ); |
| 238 | return AIS_SS_Removed; |
| 239 | } |
| 240 | |
| 241 | S->myresult.Append( anObject ); |
| 242 | return AIS_SS_Added; |
| 243 | #else //USE_MAP |
| 244 | if ( S->myResultMap.IsBound( anObject ) ){ |
| 245 | AIS_NListTransient::Iterator aListIter = S->myResultMap.Find( anObject ); |
| 246 | //skt----------------------------------------------------------------- |
| 247 | if( S->myIterator == aListIter ) { |
| 248 | if( S->myIterator.More() ) |
| 249 | S->myIterator.Next(); |
| 250 | else |
| 251 | S->myIterator = AIS_NListTransient::Iterator(); |
| 252 | } |
| 253 | //-------------------------------------------------------------------- |
| 254 | #ifdef BUC60953 |
| 255 | // In the mode of advanced mesh selection only one owner is created |
| 256 | // for all selection modes. It is necessary to check the current detected |
| 257 | // entity and remove the owner from map only if the detected entity is |
| 258 | // the same as previous selected (IsForcedHilight call) |
| 259 | if( !anAISObj.IsNull() || ( !owner.IsNull() && !owner->IsForcedHilight() ) ) |
| 260 | { |
| 261 | #endif |
| 262 | S->myresult.Remove( aListIter ); |
| 263 | S->myResultMap.UnBind( anObject ); |
| 264 | |
| 265 | // update list iterator for next object in <myresult> list if any |
| 266 | if ( aListIter.More() ){ |
| 267 | const Handle(Standard_Transient)& aNextObject = aListIter.Value(); |
| 268 | if ( S->myResultMap.IsBound( aNextObject ) ) |
| 269 | S->myResultMap( aNextObject ) = aListIter; |
| 270 | else |
| 271 | S->myResultMap.Bind( aNextObject, aListIter ); |
| 272 | } |
| 273 | return AIS_SS_Removed; |
| 274 | } |
| 275 | else |
| 276 | return AIS_SS_Added; |
| 277 | } |
| 278 | |
| 279 | AIS_NListTransient::Iterator aListIter; |
| 280 | S->myresult.Append( anObject, aListIter ); |
| 281 | S->myResultMap.Bind( anObject, aListIter ); |
| 282 | return AIS_SS_Added; |
| 283 | #endif //USE_MAP |
| 284 | } |
| 285 | |
| 286 | //======================================================================= |
| 287 | //function : AddSelect |
| 288 | //purpose : Always add int the selection |
| 289 | //======================================================================= |
| 290 | AIS_SelectStatus AIS_Selection::AddSelect(const Handle(Standard_Transient)& anObject) |
| 291 | { |
| 292 | Handle(AIS_Selection) S; |
| 293 | AIS_Sel_CurrentSelection (S); |
| 294 | if(S.IsNull()) return AIS_SS_NotDone; |
| 295 | |
| 296 | #ifndef OCC189 |
| 297 | TColStd_Array1OfTransient& arr = S->myresult->ChangeArray1(); |
| 298 | Standard_Integer i; |
| 299 | if((S->myNb)+1>arr.Length()){ |
| 300 | Handle(TColStd_HArray1OfTransient) NiouTab = new TColStd_HArray1OfTransient(1,arr.Length()+MaxSizeOfResult); |
| 301 | for(i=arr.Lower();i<=S->myNb;i++){ |
| 302 | const Handle(Standard_Transient)& T = S->myresult->Value(i); |
| 303 | NiouTab->SetValue(i,T); |
| 304 | } |
| 305 | S->myresult = NiouTab; |
| 306 | } |
| 307 | (S->myNb)++; |
| 308 | S->myresult->SetValue(S->myNb,anObject); |
| 309 | #elif !defined USE_MAP //OCC189 |
| 310 | S->myresult.Append( anObject ); |
| 311 | #else //USE_MAP |
| 312 | if ( S->myResultMap.IsBound( anObject ) ) |
| 313 | return AIS_SS_NotDone; |
| 314 | |
| 315 | AIS_NListTransient::Iterator aListIter; |
| 316 | S->myresult.Append( anObject, aListIter ); |
| 317 | S->myResultMap.Bind( anObject, aListIter ); |
| 318 | #endif |
| 319 | return AIS_SS_Added; |
| 320 | } |
| 321 | |
| 322 | |
| 323 | //======================================================================= |
| 324 | //function : ClearAndSelect |
| 325 | //purpose : |
| 326 | //======================================================================= |
| 327 | |
| 328 | void AIS_Selection::ClearAndSelect(const Handle(Standard_Transient)& anObject) { |
| 329 | Handle(AIS_Selection) S; |
| 330 | AIS_Sel_CurrentSelection (S); |
| 331 | if(S.IsNull()) return; |
| 332 | |
| 333 | Select(); |
| 334 | Select(anObject); |
| 335 | |
| 336 | } |
| 337 | |
| 338 | |
| 339 | //======================================================================= |
| 340 | //function : Extent |
| 341 | //purpose : |
| 342 | //======================================================================= |
| 343 | Standard_Integer AIS_Selection::Extent() { |
| 344 | Handle(AIS_Selection) S; |
| 345 | AIS_Sel_CurrentSelection (S); |
| 346 | #if !defined OCC189 && !defined USE_MAP |
| 347 | return S->myNb; |
| 348 | #else |
| 349 | return S->myresult.Extent(); |
| 350 | #endif |
| 351 | } |
| 352 | |
| 353 | //======================================================================= |
| 354 | //function : Single |
| 355 | //purpose : |
| 356 | //======================================================================= |
| 357 | Handle(Standard_Transient) AIS_Selection::Single() |
| 358 | { |
| 359 | Handle(AIS_Selection) S; |
| 360 | AIS_Sel_CurrentSelection (S); |
| 361 | |
| 362 | S->Init(); |
| 363 | return S->Value(); |
| 364 | } |
| 365 | //======================================================================= |
| 366 | //function : IsSelected |
| 367 | //purpose : |
| 368 | //======================================================================= |
| 369 | Standard_Boolean AIS_Selection::IsSelected(const Handle(Standard_Transient)& anObject) |
| 370 | { |
| 371 | Handle(AIS_Selection) S; |
| 372 | AIS_Sel_CurrentSelection (S); |
| 373 | if(S.IsNull()) return Standard_False; |
| 374 | #ifndef USE_MAP |
| 375 | for(S->Init();S->More();S->Next()){ |
| 376 | if(S->Value()==anObject) |
| 377 | return Standard_True; |
| 378 | } |
| 379 | return Standard_False; |
| 380 | #else |
| 381 | return S->myResultMap.IsBound( anObject ); |
| 382 | #endif |
| 383 | } |
| 384 | |
| 385 | //======================================================================= |
| 386 | //function : Index |
| 387 | //purpose : |
| 388 | //======================================================================= |
| 389 | |
| 390 | Standard_Integer AIS_Selection::Index(const Standard_CString aName) |
| 391 | { |
| 392 | Handle (Standard_Transient) curobj; |
| 393 | for(Standard_Integer I =1; I<= AIS_Sel_GetSelections().Length();I++){ |
| 394 | curobj = AIS_Sel_GetSelections().Value(I); |
| 395 | if((*((Handle(AIS_Selection)*)&curobj))->myName.IsEqual(aName)) |
| 396 | return I; |
| 397 | } |
| 398 | return 0; |
| 399 | } |
| 400 | |
| 401 | //======================================================================= |
| 402 | //function : Remove |
| 403 | //purpose : |
| 404 | //======================================================================= |
| 405 | |
| 406 | void AIS_Selection::Remove(const Standard_CString aName) |
| 407 | { |
| 408 | Standard_Integer I = AIS_Selection::Index(aName); |
| 409 | if(I!=0) { |
| 410 | #ifdef OCC1039 |
| 411 | Handle(AIS_Selection) selection = Handle(AIS_Selection)::DownCast( AIS_Sel_GetSelections().Value(I) ); |
| 412 | Standard_Integer stored = selection->NbStored(); |
| 413 | if ( stored ) |
| 414 | selection->Select(); |
| 415 | #endif |
| 416 | AIS_Sel_GetSelections().Remove(I); |
| 417 | } |
| 418 | } |
| 419 | |
| 420 | // clean the static current selection handle |
| 421 | void AIS_Selection::ClearCurrentSelection() |
| 422 | { |
| 423 | theCurrentSelection.Nullify(); |
| 424 | } |
| 425 | |