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   // Apply button of the current operation should also be updated
 288   onValidateOperation();
 289 }
 290
 291 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation)
 292 {
 293   //in case of nested (sketch) operation no confirmation needed
 294   if (isGrantedOperation(theOperation->id()))
 295     return true;
 296   if (theOperation && theOperation->isModified()) {
 297     QString aMessage = tr("%1 operation will be aborted.").arg(theOperation->id());
 298     int anAnswer = QMessageBox::question(qApp->activeWindow(),
 299                                          tr("Abort operation"),
 300                                          aMessage,
 301                                          QMessageBox::Ok | QMessageBox::Cancel,
 302                                          QMessageBox::Cancel);
 303     return anAnswer == QMessageBox::Ok;
 304   }
 305   return true;
 306 }
 307
 308 bool XGUI_OperationMgr::commitOperation()
 309 {
 310   //if (hasOperation() && currentOperation()->isValid()) {
 311   //  onCommitOperation();
 312   //  return true;
 313   //}
 314   //return false;
 315   return onCommitOperation();
 316 }
 317
 318 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 319 {
 320   theOperation->resume();
 321 }
 322
 323 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 324 {
 325   bool isGranted = false;
 326
 327   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 328   anIt.toBack();
 329   ModuleBase_Operation* aPreviousOperation = 0;
 330   while (anIt.hasPrevious() && !isGranted) {
 331     ModuleBase_Operation* anOp = anIt.previous();
 332     if (anOp)
 333       isGranted = anOp->isGranted(theId);
 334   }
 335   return isGranted;
 336 }
 337
 338 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 339 {
 340   SessionPtr aMgr = ModelAPI_Session::get();
 341   DocumentPtr aDoc = aMgr->activeDocument();
 342   bool aIsOp = aMgr->isOperation();
 343   if (!aIsOp)
 344     aMgr->startOperation(QString("Set current feature: %1").arg(theFeature->getKind().c_str()).toStdString());
 345   aDoc->setCurrentFeature(theFeature, false);
 346   if (!aIsOp)
 347     aMgr->finishOperation();
 348 }
 349
 350 bool XGUI_OperationMgr::canStartOperation(const QString& theId)
 351 {
 352   bool aCanStart = true;
 353   ModuleBase_Operation* aCurrentOp = currentOperation();
 354   if (aCurrentOp) {
 355     bool aGranted = aCurrentOp->isGranted(theId);
 356     // the started operation is granted for the current one,
 357     // e.g. current - Sketch, started - Line
 358     if (aGranted) {
 359       aCanStart = true;
 360     }
 361     else {
 362       if (!isGrantedOperation(theId)) {
 363         // the operation is not granted in the current list of operations
 364         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 365         aCanStart = abortAllOperations();
 366       }
 367       else if (canStopOperation(aCurrentOp)) {
 368         // the started operation is granted in the parrent operation,
 369         // e.g. current - Line in Sketch, started Circle
 370         if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() && aCurrentOp->isModified())
 371           aCurrentOp->commit();
 372         else
 373           abortOperation(aCurrentOp);
 374       } else {
 375         aCanStart = false;
 376       }
 377     }
 378   }
 379   return aCanStart;
 380 }
 381
 382 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 383 {
 384   ModuleBase_Operation* aCurrentOperation = currentOperation();
 385   if (theOperation == aCurrentOperation)
 386     theOperation->abort();
 387   else {
 388     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 389     // all operation from the current to triggered should also be aborted
 390     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 391     while(hasOperation()) {
 392       ModuleBase_Operation* aCurrentOperation = currentOperation();
 393       aCurrentOperation->abort();
 394       if(theOperation == aCurrentOperation)
 395         break;
 396     }
 397   }
 398 }
 399
 400 bool XGUI_OperationMgr::onCommitOperation()
 401 {
 402   bool isCommitted = false;
 403   ModuleBase_Operation* anOperation = currentOperation();
 404   if (anOperation && myWorkshop->module()->canCommitOperation())
 405     isCommitted = anOperation->commit();
 406   return isCommitted;
 407 }
 408
 409 void XGUI_OperationMgr::onAbortOperation()
 410 {
 411   ModuleBase_Operation* aCurrentOperation = currentOperation();
 412   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 413     abortOperation(aCurrentOperation);
 414   }
 415 }
 416
 417 void XGUI_OperationMgr::onBeforeOperationStarted()
 418 {
 419   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 420   if (!aCurrentOperation)
 421     return;
 422
 423   /// Set current feature and remeber old current feature
 424   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 425   if (aFOperation) {
 426     SessionPtr aMgr = ModelAPI_Session::get();
 427     DocumentPtr aDoc = aMgr->activeDocument();
 428     // the parameter of current feature should be false, we should use all feature, not only visible
 429     // in order to correctly save the previous feature of the nested operation, where the
 430     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 431     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 432     // When sketch entity operation started, the sketch should be cashed here as the current.
 433     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 434     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 435     // As a result the sketch disappears from the viewer. However after commit it is displayed back.
 436     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 437
 438 #ifdef DEBUG_CURRENT_FEATURE
 439     FeaturePtr aFeature = aFOperation->feature();
 440     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 441     qDebug(QString("onBeforeOperationStarted(), edit operation = %1, feature = %2")
 442             .arg(aFOperation->isEditOperation())
 443             .arg(ModuleBase_Tools::objectInfo(aFeature)).toStdString().c_str());
 444
 445     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 446             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 447 #endif
 448
 449     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 450       // in create operation, the current feature is changed by addFeature()
 451       aDoc->setCurrentFeature(aFOperation->feature(), false);
 452       // this is the only place where flushes must be called after setCurrentFeature for the current
 453       // moment: after this the opertion is not finished, so, the ObjectBrowser state may be corrupted
 454       // (issue #1457)
 455       static Events_Loop* aLoop = Events_Loop::loop();
 456       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 457       aLoop->flush(aCreateEvent);
 458       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 459       aLoop->flush(aDeleteEvent);
 460     }
 461
 462 #ifdef DEBUG_CURRENT_FEATURE
 463     qDebug("\tdocument->setCurrentFeature");
 464     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 465             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 466 #endif
 467   ModuleBase_IModule* aModule = myWorkshop->module();
 468   if (aModule)
 469     aModule->beforeOperationStarted(aFOperation);
 470   }
 471 }
 472
 473 void XGUI_OperationMgr::onOperationStarted()
 474 {
 475   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 476   updateApplyOfOperations(aSenderOperation);
 477   emit operationStarted(aSenderOperation);
 478 }
 479
 480 void XGUI_OperationMgr::onBeforeOperationAborted()
 481 {
 482   onBeforeOperationCommitted();
 483 }
 484
 485 void XGUI_OperationMgr::onOperationAborted()
 486 {
 487   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 488   emit operationAborted(aSenderOperation);
 489 }
 490
 491 void XGUI_OperationMgr::onBeforeOperationCommitted()
 492 {
 493   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 494   if (!aCurrentOperation)
 495     return;
 496
 497   /// Restore the previous current feature
 498   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 499   if (aFOperation) {
 500 #ifdef DEBUG_CURRENT_FEATURE
 501     QString aKind = aFOperation->feature()->getKind().c_str();
 502     qDebug(QString("onBeforeOperationCommitted(), edit operation = %1, feature = %2")
 503             .arg(aFOperation->isEditOperation())
 504             .arg(ModuleBase_Tools::objectInfo(aFOperation->feature())).toStdString().c_str());
 505
 506     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 507             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 508 #endif
 509
 510     if (aFOperation->isEditOperation()) {
 511       /// Restore the previous current feature
 512       setCurrentFeature(aFOperation->previousCurrentFeature());
 513     }
 514     else { // create operation
 515       // the Top created feature should stays the current. In nested operations, like Line in the Sketch or
 516       // Sketch in ExtrusionCut, a previous feature should be restored on commit. It is performed here
 517       // in order to perform it in the current transaction without opening a new one.
 518       if (myOperations.front() != aFOperation)
 519         setCurrentFeature(aFOperation->previousCurrentFeature());
 520     }
 521 #ifdef DEBUG_CURRENT_FEATURE
 522     qDebug("\tdocument->setCurrentFeature");
 523     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 524             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 525 #endif
 526     ModuleBase_IModule* aModule = myWorkshop->module();
 527     if (aModule)
 528       aModule->beforeOperationStopped(aFOperation);
 529   }
 530 }
 531
 532 void XGUI_OperationMgr::onOperationCommitted()
 533 {
 534   // apply state for all features from the stack of operations should be updated
 535   updateApplyOfOperations();
 536
 537   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 538   emit operationCommitted(aSenderOperation);
 539 }
 540
 541 void XGUI_OperationMgr::onOperationResumed()
 542 {
 543   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 544   emit operationResumed(aSenderOperation);
 545 }
 546
 547 void XGUI_OperationMgr::onOperationStopped()
 548 {
 549   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 550   ModuleBase_Operation* aCurrentOperation = currentOperation();
 551   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 552     return;
 553
 554   myOperations.removeAll(aCurrentOperation);
 555   aCurrentOperation->deleteLater();
 556
 557   emit operationStopped(aCurrentOperation);
 558
 559   // get last operation which can be resumed
 560   ModuleBase_Operation* aResultOp = 0;
 561   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 562   anIt.toBack();
 563   while (anIt.hasPrevious()) {
 564     ModuleBase_Operation* anOp = anIt.previous();
 565     if (anOp) {
 566       aResultOp = anOp;
 567       break;
 568     }
 569   }
 570   if (aResultOp) {
 571     bool isModified = aCurrentOperation->isModified();
 572     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 573     resumeOperation(aResultOp);
 574     onValidateOperation();
 575   }
 576 }
 577
 578 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 579 {
 580   // Let the manager decide what to do with the given key combination.
 581   ModuleBase_Operation* anOperation = currentOperation();
 582   bool isAccepted = false;
 583   switch (theEvent->key()) {
 584     case Qt::Key_Return:
 585     case Qt::Key_Enter: {
 586       isAccepted = onProcessEnter(theObject);
 587     }
 588     break;
 589     case Qt::Key_N:
 590     case Qt::Key_P: {
 591       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 592       if (noModifiers) {
 593         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 594         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 595         if (!aContext.IsNull()) {
 596           Handle(V3d_View) aView = aViewer->activeView();
 597           if ((theEvent->key() == Qt::Key_N))
 598             aContext->HilightNextDetected(aView);
 599           else if ((theEvent->key() == Qt::Key_P))
 600             aContext->HilightPreviousDetected(aView);
 601         }
 602       }
 603     }
 604     break;
 605     break;
 606     default:
 607       isAccepted = false;
 608       break;
 609   }
 610   //if(anOperation) {
 611   //  anOperation->keyReleased(theEvent->key());
 612   //}
 613   return isAccepted;
 614 }
 615
 616 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 617 {
 618   bool isAccepted = false;
 619   ModuleBase_Operation* aOperation = currentOperation();
 620   // to avoid enter processing when operation has not been started yet
 621   if (!aOperation)
 622     return isAccepted;
 623   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 624   // only property panel enter is processed in order to do not process enter in application dialogs
 625   bool isPPChild = isChildObject(theObject, aPanel);
 626   if (!isPPChild)
 627     return isAccepted;
 628
 629   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 630   bool isAborted = false;
 631   if (!anActiveWgt) {
 632     QWidget* aFocusWidget = aPanel->focusWidget();
 633     QToolButton* aCancelBtn = dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 634     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 635       abortOperation(aOperation);
 636       isAccepted = true;
 637       isAborted = true;
 638     }
 639   }
 640   if (!isAborted) {
 641     isAccepted = anActiveWgt && anActiveWgt->processEnter();
 642     if (!isAccepted) {
 643       isAccepted = myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 644       if (!isAccepted) {
 645         /// functionality is similar to Apply click
 646         ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 647         if (!aFOperation || myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 648           // key released is emitted to apply the current value to the model if it was modified in PP
 649           emit keyEnterReleased();
 650           commitOperation();
 651           isAccepted = true;
 652         }
 653         else
 654           isAccepted = false;
 655       }
 656     }
 657   }
 658   return isAccepted;
 659 }
 660
 661 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 662 {
 663   bool isAccepted = false;
 664   ModuleBase_Operation* aOperation = currentOperation();
 665   ModuleBase_ModelWidget* anActiveWgt = 0;
 666   // firstly the widget should process Delete action
 667   ModuleBase_IPropertyPanel* aPanel;
 668   bool isPPChildObject = false;
 669   if (aOperation) {
 670     aPanel = aOperation->propertyPanel();
 671     if (aPanel) {
 672       isPPChildObject = isChildObject(theObject, aPanel);
 673       // process delete in active widget only if delete sender is child of property panel
 674       // it is necessary for the case when OB is shown, user perform selection and click Delete
 675       if (isPPChildObject) {
 676         anActiveWgt = aPanel->activeWidget();
 677         if (anActiveWgt) {
 678           isAccepted = anActiveWgt->processDelete();
 679         }
 680       }
 681     }
 682   }
 683   if (!isAccepted) {
 684     // after widget, object browser and viewer should process delete
 685     /// other widgets such as line edit controls should not lead to
 686     /// processing delete by workshop
 687     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 688     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 689     // property panel child object is processed to process delete performed on Apply button of PP
 690     if (theObject == aBrowser->treeView() ||
 691         isChildObject(theObject, aViewPort) ||
 692         isPPChildObject)
 693       XGUI_Tools::workshop(myWorkshop)->deleteObjects();
 694     isAccepted = true;
 695   }
 696
 697   return isAccepted;
 698 }
 699
 700 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 701 {
 702   bool isPPChild = false;
 703   if (theParent && theObject) {
 704     QObject* aParent = (QObject*)theObject;
 705     while (aParent ) {
 706       isPPChild = aParent == theParent;
 707       if (isPPChild)
 708         break;
 709       aParent = aParent->parent();
 710     }
 711   }
 712   return isPPChild;
 713 }