src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        XGUI_OperationMgr.cpp
   4 // Created:     20 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "XGUI_OperationMgr.h"
   8 #include "XGUI_ModuleConnector.h"
   9 #include "XGUI_Workshop.h"
  10 #include "XGUI_ErrorMgr.h"
  11 #include "XGUI_Tools.h"
  12 #include "XGUI_ObjectsBrowser.h"
  13
  14 #include <ModuleBase_IPropertyPanel.h>
  15 #include <ModuleBase_ModelWidget.h>
  16 #include "ModuleBase_Operation.h"
  17 #include "ModuleBase_IWorkshop.h"
  18 #include "ModuleBase_IModule.h"
  19 #include <ModuleBase_IViewer.h>
  20 #include "ModuleBase_OperationDescription.h"
  21 #include "ModuleBase_OperationFeature.h"
  22 #include "ModuleBase_Tools.h"
  23
  24 #include "ModelAPI_CompositeFeature.h"
  25 #include "ModelAPI_Session.h"
  26
  27 #include <XGUI_PropertyPanel.h>
  28 #include <QToolButton>
  29
  30 #include <QMessageBox>
  31 #include <QApplication>
  32 #include <QKeyEvent>
  33
  34 //#define DEBUG_CURRENT_FEATURE
  35
  36 /// Processes "Delete" key event of application. This key is used by several application actions.
  37 /// There is a logical order of the actions processing. So the key can not be set for actions
  38 /// as a shortcut. The class listens the key event and call operation manager processor.
  39 class XGUI_ShortCutListener : public QObject
  40 {
  41 public:
  42   /// Constructor
  43   /// \param theParent the parent to be deleted when the parent is deleted
  44   /// \param theOperationMgr the class to perform deletion
  45   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  46     : QObject(theParent), myOperationMgr(theOperationMgr)
  47   {
  48     qApp->installEventFilter(this);
  49   }
  50   ~XGUI_ShortCutListener() {}
  51
  52   /// Switch on short cut listener
  53   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  54
  55   /// Redefinition of virtual function to process Delete key release
  56   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  57   {
  58     bool isAccepted = false;
  59     if (myIsActive && theEvent->type() == QEvent::KeyRelease) {
  60       QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  61       if(aKeyEvent) {
  62         switch (aKeyEvent->key()) {
  63           case Qt::Key_Delete: {
  64             isAccepted = myOperationMgr->onProcessDelete(theObject);
  65           }
  66         }
  67       }
  68     }
  69     if (!isAccepted)
  70       isAccepted = QObject::eventFilter(theObject, theEvent);
  71     return isAccepted;
  72   }
  73
  74 private:
  75   XGUI_OperationMgr* myOperationMgr; /// processor for key event
  76   bool myIsActive; /// boolean state whether the event filter perform own signal processing
  77 };
  78
  79 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
  80                                      ModuleBase_IWorkshop* theWorkshop)
  81 : QObject(theParent), myWorkshop(theWorkshop)
  82 {
  83   /// we need to install filter to the application in order to react to 'Delete' key button
  84   /// this key can not be a short cut for a corresponded action because we need to set
  85   /// the actions priority
  86   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
  87 }
  88
  89 XGUI_OperationMgr::~XGUI_OperationMgr()
  90 {
  91 }
  92
  93 void XGUI_OperationMgr::activate()
  94 {
  95   myShortCutListener->setActive(true);
  96 }
  97
  98 void XGUI_OperationMgr::deactivate()
  99 {
 100   myShortCutListener->setActive(false);
 101 }
 102
 103 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 104 {
 105   return myOperations.count() > 0 ? myOperations.last() : 0;
 106 }
 107
 108 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 109 {
 110   if(!hasOperation())
 111     return false;
 112   return currentOperation() == theOperation;
 113 }
 114
 115 bool XGUI_OperationMgr::hasOperation() const
 116 {
 117   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 118 }
 119
 120 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 121 {
 122   foreach(ModuleBase_Operation* aOp, myOperations) {
 123     if (aOp->id() == theId)
 124       return true;
 125   }
 126   return false;
 127 }
 128
 129 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 130 {
 131   foreach(ModuleBase_Operation* aOp, myOperations) {
 132     if (aOp->id() == theId)
 133       return aOp;
 134   }
 135   return 0;
 136 }
 137
 138
 139 int XGUI_OperationMgr::operationsCount() const
 140 {
 141   return myOperations.count();
 142 }
 143
 144 QStringList XGUI_OperationMgr::operationList() const
 145 {
 146   QStringList result;
 147   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 148     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 149     if (aFOperation) {
 150       FeaturePtr aFeature = aFOperation->feature();
 151       if(aFeature) {
 152         result << QString::fromStdString(aFeature->getKind());
 153       }
 154     }
 155   }
 156   return result;
 157 }
 158
 159 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 160 {
 161   int idx = myOperations.lastIndexOf(theOperation);
 162   if(idx == -1 || idx == 0) {
 163     return NULL;
 164   }
 165   return myOperations.at(idx - 1);
 166 }
 167
 168 bool XGUI_OperationMgr::eventFilter(QObject *theObject, QEvent *theEvent)
 169 {
 170   bool isAccepted = false;
 171   if (theEvent->type() == QEvent::KeyRelease) {
 172     QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 173     if(aKeyEvent)
 174       isAccepted = onKeyReleased(theObject, aKeyEvent);
 175   }
 176   if (!isAccepted)
 177     isAccepted = QObject::eventFilter(theObject, theEvent);
 178
 179   return isAccepted;
 180 }
 181
 182 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 183 {
 184   if (hasOperation())
 185     currentOperation()->postpone();
 186   myOperations.append(theOperation);
 187
 188   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 189   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 190   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 191
 192   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 193   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 194   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 195
 196   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 197   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 198
 199   bool isStarted = theOperation->start();
 200   if (isStarted)
 201     onValidateOperation();
 202   return isStarted;
 203 }
 204
 205 bool XGUI_OperationMgr::abortAllOperations()
 206 {
 207   bool aResult = true;
 208   if(!hasOperation())
 209     return aResult;
 210
 211   if (operationsCount() == 1) {
 212     ModuleBase_Operation* aCurrentOperation = currentOperation();
 213     if (canStopOperation(aCurrentOperation)) {
 214       abortOperation(aCurrentOperation);
 215     }
 216     else
 217       aResult = false;
 218   }
 219   else {
 220     aResult = QMessageBox::question(qApp->activeWindow(),
 221                                     tr("Abort operation"),
 222                                     tr("All active operations will be aborted."),
 223                                     QMessageBox::Ok | QMessageBox::Cancel,
 224                                     QMessageBox::Cancel) == QMessageBox::Ok;
 225     while(aResult && hasOperation()) {
 226       abortOperation(currentOperation());
 227     }
 228   }
 229   return aResult;
 230 }
 231
 232 bool XGUI_OperationMgr::commitAllOperations()
 233 {
 234   bool isCompositeCommitted = false, anOperationProcessed = false;
 235   while (hasOperation()) {
 236     ModuleBase_Operation* anOperation = currentOperation();
 237     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 238       anOperationProcessed = onCommitOperation();
 239     } else {
 240       abortOperation(anOperation);
 241       anOperationProcessed = true;
 242     }
 243     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 244                                                                             (anOperation);
 245     if (aFOperation) {
 246       FeaturePtr aFeature = aFOperation->feature();
 247       CompositeFeaturePtr aComposite =
 248           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 249       isCompositeCommitted = aComposite.get();
 250       if (isCompositeCommitted)
 251         break;
 252     }
 253     // not processed[committed] operation might be used in composite feature,
 254     // so the while will be stopped by the previous check.
 255     // this code is not necessary, but logically should be done when the processing will not
 256     // be done for not composite feature by some reasons
 257     if (!anOperationProcessed)
 258       break;
 259   }
 260   return true;
 261 }
 262
 263 void XGUI_OperationMgr::onValidateOperation()
 264 {
 265   if (!hasOperation())
 266     return;
 267   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 268                                                                           (currentOperation());
 269   if(aFOperation && aFOperation->feature().get())
 270     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 271 }
 272
 273 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 274 {
 275   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 276   if (theOperation) {
 277     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 278     if (aFOperation)
 279       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 280   }
 281   else {
 282     foreach(ModuleBase_Operation* anOperation, myOperations) {
 283       if (anOperation)
 284         updateApplyOfOperations(anOperation);
 285     }
 286   }
 287 }
 288
 289 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation)
 290 {
 291   //in case of nested (sketch) operation no confirmation needed
 292   if (isGrantedOperation(theOperation->id()))
 293     return true;
 294   if (theOperation && theOperation->isModified()) {
 295     QString aMessage = tr("%1 operation will be aborted.").arg(theOperation->id());
 296     int anAnswer = QMessageBox::question(qApp->activeWindow(),
 297                                          tr("Abort operation"),
 298                                          aMessage,
 299                                          QMessageBox::Ok | QMessageBox::Cancel,
 300                                          QMessageBox::Cancel);
 301     return anAnswer == QMessageBox::Ok;
 302   }
 303   return true;
 304 }
 305
 306 bool XGUI_OperationMgr::commitOperation()
 307 {
 308   //if (hasOperation() && currentOperation()->isValid()) {
 309   //  onCommitOperation();
 310   //  return true;
 311   //}
 312   //return false;
 313   return onCommitOperation();
 314 }
 315
 316 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 317 {
 318   theOperation->resume();
 319 }
 320
 321 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 322 {
 323   bool isGranted = false;
 324
 325   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 326   anIt.toBack();
 327   ModuleBase_Operation* aPreviousOperation = 0;
 328   while (anIt.hasPrevious() && !isGranted) {
 329     ModuleBase_Operation* anOp = anIt.previous();
 330     if (anOp)
 331       isGranted = anOp->isGranted(theId);
 332   }
 333   return isGranted;
 334 }
 335
 336 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 337 {
 338   SessionPtr aMgr = ModelAPI_Session::get();
 339   DocumentPtr aDoc = aMgr->activeDocument();
 340   bool aIsOp = aMgr->isOperation();
 341   if (!aIsOp)
 342     aMgr->startOperation(QString("Set current feature: %1").arg(theFeature->getKind().c_str()).toStdString());
 343   aDoc->setCurrentFeature(theFeature, false);
 344   if (!aIsOp)
 345     aMgr->finishOperation();
 346 }
 347
 348 bool XGUI_OperationMgr::canStartOperation(const QString& theId)
 349 {
 350   bool aCanStart = true;
 351   ModuleBase_Operation* aCurrentOp = currentOperation();
 352   if (aCurrentOp) {
 353     bool aGranted = aCurrentOp->isGranted(theId);
 354     // the started operation is granted for the current one,
 355     // e.g. current - Sketch, started - Line
 356     if (aGranted) {
 357       aCanStart = true;
 358     }
 359     else {
 360       if (!isGrantedOperation(theId)) {
 361         // the operation is not granted in the current list of operations
 362         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 363         aCanStart = abortAllOperations();
 364       }
 365       else if (canStopOperation(aCurrentOp)) {
 366         // the started operation is granted in the parrent operation,
 367         // e.g. current - Line in Sketch, started Circle
 368         if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() && aCurrentOp->isModified())
 369           aCurrentOp->commit();
 370         else
 371           abortOperation(aCurrentOp);
 372       } else {
 373         aCanStart = false;
 374       }
 375     }
 376   }
 377   return aCanStart;
 378 }
 379
 380 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 381 {
 382   ModuleBase_Operation* aCurrentOperation = currentOperation();
 383   if (theOperation == aCurrentOperation)
 384     theOperation->abort();
 385   else {
 386     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 387     // all operation from the current to triggered should also be aborted
 388     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 389     while(hasOperation()) {
 390       ModuleBase_Operation* aCurrentOperation = currentOperation();
 391       aCurrentOperation->abort();
 392       if(theOperation == aCurrentOperation)
 393         break;
 394     }
 395   }
 396 }
 397
 398 bool XGUI_OperationMgr::onCommitOperation()
 399 {
 400   bool isCommitted = false;
 401   ModuleBase_Operation* anOperation = currentOperation();
 402   if (anOperation && myWorkshop->module()->canCommitOperation())
 403     isCommitted = anOperation->commit();
 404   return isCommitted;
 405 }
 406
 407 void XGUI_OperationMgr::onAbortOperation()
 408 {
 409   ModuleBase_Operation* aCurrentOperation = currentOperation();
 410   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 411     abortOperation(aCurrentOperation);
 412   }
 413 }
 414
 415 void XGUI_OperationMgr::onBeforeOperationStarted()
 416 {
 417   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 418   if (!aCurrentOperation)
 419     return;
 420
 421   /// Set current feature and remeber old current feature
 422   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 423   if (aFOperation) {
 424     SessionPtr aMgr = ModelAPI_Session::get();
 425     DocumentPtr aDoc = aMgr->activeDocument();
 426     // the parameter of current feature should be false, we should use all feature, not only visible
 427     // in order to correctly save the previous feature of the nested operation, where the
 428     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 429     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 430     // When sketch entity operation started, the sketch should be cashed here as the current.
 431     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 432     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 433     // As a result the sketch disappears from the viewer. However after commit it is displayed back.
 434     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 435
 436 #ifdef DEBUG_CURRENT_FEATURE
 437     FeaturePtr aFeature = aFOperation->feature();
 438     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 439     qDebug(QString("onBeforeOperationStarted(), edit operation = %1, feature = %2")
 440             .arg(aFOperation->isEditOperation())
 441             .arg(ModuleBase_Tools::objectInfo(aFeature)).toStdString().c_str());
 442
 443     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 444             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 445 #endif
 446
 447     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 448       // in create operation, the current feature is changed by addFeature()
 449       aDoc->setCurrentFeature(aFOperation->feature(), false);
 450       // this is the only place where flushes must be called after setCurrentFeature for the current
 451       // moment: after this the opertion is not finished, so, the ObjectBrowser state may be corrupted
 452       // (issue #1457)
 453       static Events_Loop* aLoop = Events_Loop::loop();
 454       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 455       aLoop->flush(aCreateEvent);
 456       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 457       aLoop->flush(aDeleteEvent);
 458     }
 459
 460 #ifdef DEBUG_CURRENT_FEATURE
 461     qDebug("\tdocument->setCurrentFeature");
 462     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 463             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 464 #endif
 465   ModuleBase_IModule* aModule = myWorkshop->module();
 466   if (aModule)
 467     aModule->beforeOperationStarted(aFOperation);
 468   }
 469 }
 470
 471 void XGUI_OperationMgr::onOperationStarted()
 472 {
 473   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 474   updateApplyOfOperations(aSenderOperation);
 475   emit operationStarted(aSenderOperation);
 476 }
 477
 478 void XGUI_OperationMgr::onBeforeOperationAborted()
 479 {
 480   onBeforeOperationCommitted();
 481 }
 482
 483 void XGUI_OperationMgr::onOperationAborted()
 484 {
 485   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 486   emit operationAborted(aSenderOperation);
 487 }
 488
 489 void XGUI_OperationMgr::onBeforeOperationCommitted()
 490 {
 491   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 492   if (!aCurrentOperation)
 493     return;
 494
 495   /// Restore the previous current feature
 496   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 497   if (aFOperation) {
 498 #ifdef DEBUG_CURRENT_FEATURE
 499     QString aKind = aFOperation->feature()->getKind().c_str();
 500     qDebug(QString("onBeforeOperationCommitted(), edit operation = %1, feature = %2")
 501             .arg(aFOperation->isEditOperation())
 502             .arg(ModuleBase_Tools::objectInfo(aFOperation->feature())).toStdString().c_str());
 503
 504     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 505             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 506 #endif
 507
 508     if (aFOperation->isEditOperation()) {
 509       /// Restore the previous current feature
 510       setCurrentFeature(aFOperation->previousCurrentFeature());
 511     }
 512     else { // create operation
 513       // the Top created feature should stays the current. In nested operations, like Line in the Sketch or
 514       // Sketch in ExtrusionCut, a previous feature should be restored on commit. It is performed here
 515       // in order to perform it in the current transaction without opening a new one.
 516       if (myOperations.front() != aFOperation)
 517         setCurrentFeature(aFOperation->previousCurrentFeature());
 518     }
 519 #ifdef DEBUG_CURRENT_FEATURE
 520     qDebug("\tdocument->setCurrentFeature");
 521     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 522             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 523 #endif
 524     ModuleBase_IModule* aModule = myWorkshop->module();
 525     if (aModule)
 526       aModule->beforeOperationStopped(aFOperation);
 527   }
 528 }
 529
 530 void XGUI_OperationMgr::onOperationCommitted()
 531 {
 532   // apply state for all features from the stack of operations should be updated
 533   updateApplyOfOperations();
 534
 535   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 536   emit operationCommitted(aSenderOperation);
 537 }
 538
 539 void XGUI_OperationMgr::onOperationResumed()
 540 {
 541   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 542   emit operationResumed(aSenderOperation);
 543 }
 544
 545 void XGUI_OperationMgr::onOperationStopped()
 546 {
 547   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 548   ModuleBase_Operation* aCurrentOperation = currentOperation();
 549   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 550     return;
 551
 552   myOperations.removeAll(aCurrentOperation);
 553   aCurrentOperation->deleteLater();
 554
 555   emit operationStopped(aCurrentOperation);
 556
 557   // get last operation which can be resumed
 558   ModuleBase_Operation* aResultOp = 0;
 559   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 560   anIt.toBack();
 561   while (anIt.hasPrevious()) {
 562     ModuleBase_Operation* anOp = anIt.previous();
 563     if (anOp) {
 564       aResultOp = anOp;
 565       break;
 566     }
 567   }
 568   if (aResultOp) {
 569     bool isModified = aCurrentOperation->isModified();
 570     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 571     resumeOperation(aResultOp);
 572     onValidateOperation();
 573   }
 574 }
 575
 576 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 577 {
 578   // Let the manager decide what to do with the given key combination.
 579   ModuleBase_Operation* anOperation = currentOperation();
 580   bool isAccepted = false;
 581   switch (theEvent->key()) {
 582     case Qt::Key_Return:
 583     case Qt::Key_Enter: {
 584       isAccepted = onProcessEnter(theObject);
 585     }
 586     break;
 587     case Qt::Key_N:
 588     case Qt::Key_P: {
 589       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 590       if (noModifiers) {
 591         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 592         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 593         if (!aContext.IsNull()) {
 594           Handle(V3d_View) aView = aViewer->activeView();
 595           if ((theEvent->key() == Qt::Key_N))
 596             aContext->HilightNextDetected(aView);
 597           else if ((theEvent->key() == Qt::Key_P))
 598             aContext->HilightPreviousDetected(aView);
 599         }
 600       }
 601     }
 602     break;
 603     break;
 604     default:
 605       isAccepted = false;
 606       break;
 607   }
 608   //if(anOperation) {
 609   //  anOperation->keyReleased(theEvent->key());
 610   //}
 611   return isAccepted;
 612 }
 613
 614 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 615 {
 616   bool isAccepted = false;
 617   ModuleBase_Operation* aOperation = currentOperation();
 618   // to avoid enter processing when operation has not been started yet
 619   if (!aOperation)
 620     return isAccepted;
 621   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 622   // only property panel enter is processed in order to do not process enter in application dialogs
 623   bool isPPChild = isChildObject(theObject, aPanel);
 624   if (!isPPChild)
 625     return isAccepted;
 626
 627   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 628   bool isAborted = false;
 629   if (!anActiveWgt) {
 630     QWidget* aFocusWidget = aPanel->focusWidget();
 631     QToolButton* aCancelBtn = dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 632     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 633       abortOperation(aOperation);
 634       isAccepted = true;
 635       isAborted = true;
 636     }
 637   }
 638   if (!isAborted) {
 639     isAccepted = anActiveWgt && anActiveWgt->processEnter();
 640     if (!isAccepted) {
 641       isAccepted = myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 642       if (!isAccepted) {
 643         /// functionality is similar to Apply click
 644         ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 645         if (!aFOperation || myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 646           // key released is emitted to apply the current value to the model if it was modified in PP
 647           emit keyEnterReleased();
 648           commitOperation();
 649           isAccepted = true;
 650         }
 651         else
 652           isAccepted = false;
 653       }
 654     }
 655   }
 656   return isAccepted;
 657 }
 658
 659 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 660 {
 661   bool isAccepted = false;
 662   ModuleBase_Operation* aOperation = currentOperation();
 663   ModuleBase_ModelWidget* anActiveWgt = 0;
 664   // firstly the widget should process Delete action
 665   ModuleBase_IPropertyPanel* aPanel;
 666   bool isPPChildObject = false;
 667   if (aOperation) {
 668     aPanel = aOperation->propertyPanel();
 669     if (aPanel) {
 670       isPPChildObject = isChildObject(theObject, aPanel);
 671       // process delete in active widget only if delete sender is child of property panel
 672       // it is necessary for the case when OB is shown, user perform selection and click Delete
 673       if (isPPChildObject) {
 674         anActiveWgt = aPanel->activeWidget();
 675         if (anActiveWgt) {
 676           isAccepted = anActiveWgt->processDelete();
 677         }
 678       }
 679     }
 680   }
 681   if (!isAccepted) {
 682     // after widget, object browser and viewer should process delete
 683     /// other widgets such as line edit controls should not lead to
 684     /// processing delete by workshop
 685     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 686     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 687     // property panel child object is processed to process delete performed on Apply button of PP
 688     if (theObject == aBrowser->treeView() ||
 689         isChildObject(theObject, aViewPort) ||
 690         isPPChildObject)
 691       XGUI_Tools::workshop(myWorkshop)->deleteObjects();
 692     isAccepted = true;
 693   }
 694
 695   return isAccepted;
 696 }
 697
 698 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 699 {
 700   bool isPPChild = false;
 701   if (theParent && theObject) {
 702     QObject* aParent = (QObject*)theObject;
 703     while (aParent ) {
 704       isPPChild = aParent == theParent;
 705       if (isPPChild)
 706         break;
 707       aParent = aParent->parent();
 708     }
 709   }
 710   return isPPChild;
 711 }