src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-2019  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  18 //
  19
  20 #include "XGUI_OperationMgr.h"
  21
  22 #include "XGUI_ActiveControlMgr.h"
  23 #include "XGUI_ActiveControlSelector.h"
  24 #include "XGUI_FacesPanelSelector.h"
  25 #include "XGUI_ModuleConnector.h"
  26 #include "XGUI_Workshop.h"
  27 #include "XGUI_ErrorMgr.h"
  28 #include "XGUI_FacesPanel.h"
  29 #include "XGUI_Tools.h"
  30 #include "XGUI_ObjectsBrowser.h"
  31 #include "XGUI_ContextMenuMgr.h"
  32
  33 #include <ModuleBase_IPropertyPanel.h>
  34 #include <ModuleBase_ModelWidget.h>
  35 #include "ModuleBase_Operation.h"
  36 #include "ModuleBase_IWorkshop.h"
  37 #include "ModuleBase_IModule.h"
  38 #include <ModuleBase_IViewer.h>
  39 #include "ModuleBase_OperationDescription.h"
  40 #include "ModuleBase_OperationFeature.h"
  41 #include "ModuleBase_Tools.h"
  42
  43 #include <Config_Translator.h>
  44
  45 #include <ModelAPI_CompositeFeature.h>
  46 #include <ModelAPI_Session.h>
  47
  48 #include <XGUI_PropertyPanel.h>
  49 #include <QToolButton>
  50 #include <QLineEdit>
  51
  52 #include <QMessageBox>
  53 #include <QApplication>
  54 #include <QKeyEvent>
  55
  56 //#define DEBUG_CURRENT_FEATURE
  57
  58 /// Processes "Delete" key event of application. This key is used by several application actions.
  59 /// There is a logical order of the actions processing. So the key can not be set for actions
  60 /// as a shortcut. The class listens the key event and call operation manager processor.
  61 class XGUI_ShortCutListener : public QObject
  62 {
  63 public:
  64   /// Constructor
  65   /// \param theParent the parent to be deleted when the parent is deleted
  66   /// \param theOperationMgr the class to perform deletion
  67   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  68     : QObject(theParent), myOperationMgr(theOperationMgr), myIsActive(false)
  69   {
  70     qApp->installEventFilter(this);
  71   }
  72   ~XGUI_ShortCutListener() {}
  73
  74   /// Switch on short cut listener
  75   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  76
  77   /// Redefinition of virtual function to process Delete key release
  78   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  79   {
  80     bool isAccepted = false;
  81     if (myIsActive) {
  82       if (theEvent->type() == QEvent::KeyRelease) {
  83         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  84         if (aKeyEvent) {
  85           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  86           switch (aKeyEvent->key()) {
  87             case Qt::Key_Delete:
  88               isAccepted = myOperationMgr->onProcessDelete(theObject);
  89             break;
  90             default:
  91               isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
  92               break;
  93           }
  94         }
  95       }
  96       else if (theEvent->type() == QEvent::KeyPress) {
  97         if (!qApp->modalWindow()) {
  98           if (myOperationMgr->hasOperation()) {
  99             QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 100             myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 101             isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 102           }
 103         }
 104       }
 105     }
 106     if (!isAccepted)
 107       isAccepted = QObject::eventFilter(theObject, theEvent);
 108     return isAccepted;
 109   }
 110
 111 private:
 112   XGUI_OperationMgr* myOperationMgr; /// processor for key event
 113   bool myIsActive; /// boolean state whether the event filter perform own signal processing
 114 };
 115
 116 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 117                                      ModuleBase_IWorkshop* theWorkshop)
 118 : QObject(theParent), myWorkshop(theWorkshop), mySHIFTPressed(false), myActiveMessageBox(0)
 119 {
 120   /// we need to install filter to the application in order to react to 'Delete' key button
 121   /// this key can not be a short cut for a corresponded action because we need to set
 122   /// the actions priority
 123   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
 124 }
 125
 126 XGUI_OperationMgr::~XGUI_OperationMgr()
 127 {
 128 }
 129
 130 void XGUI_OperationMgr::activate()
 131 {
 132   myShortCutListener->setActive(true);
 133 }
 134
 135 void XGUI_OperationMgr::deactivate()
 136 {
 137   myShortCutListener->setActive(false);
 138 }
 139
 140 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 141 {
 142   return myOperations.count() > 0 ? myOperations.last() : 0;
 143 }
 144
 145 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 146 {
 147   if(!hasOperation())
 148     return false;
 149   return currentOperation() == theOperation;
 150 }
 151
 152 bool XGUI_OperationMgr::hasOperation() const
 153 {
 154   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 155 }
 156
 157 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 158 {
 159   foreach(ModuleBase_Operation* aOp, myOperations) {
 160     if (aOp->id() == theId)
 161       return true;
 162   }
 163   return false;
 164 }
 165
 166 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 167 {
 168   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 169   while (anIt != myOperations.begin()) {
 170     --anIt;
 171     ModuleBase_Operation* anOperation = *anIt;
 172     if (anOperation->id() == theId)
 173       return anOperation;
 174   }
 175   return 0;
 176 }
 177
 178
 179 int XGUI_OperationMgr::operationsCount() const
 180 {
 181   return myOperations.count();
 182 }
 183
 184 QStringList XGUI_OperationMgr::operationList() const
 185 {
 186   QStringList result;
 187   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 188     ModuleBase_OperationFeature* aFOperation =
 189       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 190     if (aFOperation) {
 191       FeaturePtr aFeature = aFOperation->feature();
 192       if(aFeature) {
 193         result << QString::fromStdString(aFeature->getKind());
 194       }
 195     }
 196   }
 197   return result;
 198 }
 199
 200 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 201 {
 202   int idx = myOperations.lastIndexOf(theOperation);
 203   if(idx == -1 || idx == 0) {
 204     return NULL;
 205   }
 206   return myOperations.at(idx - 1);
 207 }
 208
 209 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 210 {
 211   ModuleBase_ModelWidget* anActiveWidget = 0;
 212   ModuleBase_Operation* anOperation = currentOperation();
 213   if (anOperation) {
 214     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 215     if (aPanel)
 216       anActiveWidget = aPanel->activeWidget();
 217   }
 218   return anActiveWidget;
 219 }
 220
 221 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 222 {
 223   if (hasOperation())
 224     currentOperation()->postpone();
 225   myOperations.append(theOperation);
 226
 227   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 228   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 229   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 230
 231   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 232   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 233   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 234
 235   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 236   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 237
 238   bool isStarted = theOperation->start();
 239   if (isStarted)
 240     onValidateOperation();
 241   return isStarted;
 242 }
 243
 244 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 245 {
 246   bool aResult = true;
 247   if(!hasOperation())
 248     return aResult;
 249
 250   if (operationsCount() == 1) {
 251     ModuleBase_Operation* aCurrentOperation = currentOperation();
 252     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 253       abortOperation(aCurrentOperation);
 254     }
 255     else
 256       aResult = false;
 257   }
 258   else {
 259     if (theMessageKind == XGUI_AbortOperationMessage) {
 260       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 261       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 262       myActiveMessageBox = 0;
 263     }
 264     else if (theMessageKind == XGUI_InformationMessage) {
 265       QString aMessage = tr("Please validate all your active operations before saving.");
 266       myActiveMessageBox = createInformationBox(aMessage);
 267       myActiveMessageBox->exec();
 268       myActiveMessageBox = 0;
 269       aResult = false; // do not perform abort
 270     }
 271     while(aResult && hasOperation()) {
 272       abortOperation(currentOperation());
 273     }
 274   }
 275   return aResult;
 276 }
 277
 278 bool XGUI_OperationMgr::commitAllOperations()
 279 {
 280   bool isCompositeCommitted = false, anOperationProcessed = false;
 281   while (hasOperation()) {
 282     ModuleBase_Operation* anOperation = currentOperation();
 283     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 284       anOperationProcessed = commitOperation();
 285     } else {
 286       abortOperation(anOperation);
 287       anOperationProcessed = true;
 288     }
 289     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 290                                                                             (anOperation);
 291     if (aFOperation) {
 292       FeaturePtr aFeature = aFOperation->feature();
 293       CompositeFeaturePtr aComposite =
 294           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 295       isCompositeCommitted = aComposite.get();
 296       if (isCompositeCommitted)
 297         break;
 298     }
 299     // not processed[committed] operation might be used in composite feature,
 300     // so the while will be stopped by the previous check.
 301     // this code is not necessary, but logically should be done when the processing will not
 302     // be done for not composite feature by some reasons
 303     if (!anOperationProcessed)
 304       break;
 305   }
 306   return true;
 307 }
 308
 309 void XGUI_OperationMgr::onValidateOperation()
 310 {
 311   if (!hasOperation())
 312     return;
 313   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 314                                                                           (currentOperation());
 315   if(aFOperation && aFOperation->feature().get())
 316     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 317 }
 318
 319 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 320 {
 321   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 322   if (theOperation) {
 323     ModuleBase_OperationFeature* aFOperation =
 324       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 325     if (aFOperation)
 326       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 327   }
 328   else {
 329     foreach(ModuleBase_Operation* anOperation, myOperations) {
 330       if (anOperation)
 331         updateApplyOfOperations(anOperation);
 332     }
 333   }
 334   // Apply button of the current operation should also be updated
 335   onValidateOperation();
 336 }
 337
 338 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 339                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 340 {
 341   //in case of nested (sketch) operation no confirmation needed
 342   if (isGrantedOperation(theOperation->id()))
 343     return true;
 344   if (theOperation && theOperation->isModified()) {
 345     ModuleBase_OperationFeature* aOp = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 346     std::string aContext;
 347     if (aOp)
 348       aContext = aOp->feature()->getKind();
 349     QString aTitle = Config_Translator::translate(aContext,
 350       theOperation->getDescription()->description().toStdString()).c_str();
 351
 352     if (theMessageKind == XGUI_AbortOperationMessage) {
 353       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 354       myActiveMessageBox = createMessageBox(aMessage);
 355       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 356       myActiveMessageBox = 0;
 357       return aResult;
 358     }
 359     else if (theMessageKind == XGUI_InformationMessage) {
 360       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 361       myActiveMessageBox = createInformationBox(aMessage);
 362       myActiveMessageBox->exec();
 363       myActiveMessageBox = 0;
 364       return false;
 365     }
 366   }
 367   return true;
 368 }
 369
 370 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 371 {
 372   theOperation->resume();
 373 }
 374
 375 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 376 {
 377   bool isGranted = false;
 378
 379   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 380   anIt.toBack();
 381   ModuleBase_Operation* aPreviousOperation = 0;
 382   while (anIt.hasPrevious() && !isGranted) {
 383     ModuleBase_Operation* anOp = anIt.previous();
 384     if (anOp)
 385       isGranted = anOp->isGranted(theId);
 386   }
 387   return isGranted;
 388 }
 389
 390 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 391 {
 392   SessionPtr aMgr = ModelAPI_Session::get();
 393   DocumentPtr aDoc = aMgr->activeDocument();
 394   bool aIsOp = aMgr->isOperation();
 395   if (!aIsOp)
 396     aMgr->startOperation(QString("Set current feature: %1")
 397     .arg(theFeature->getKind().c_str()).toStdString());
 398   aDoc->setCurrentFeature(theFeature, false);
 399 #ifdef DEBUG_CURRENT_FEATURE
 400   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 401          ModuleBase_Tools::objectName(
 402          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 403 #endif
 404
 405   if (!aIsOp)
 406     aMgr->finishOperation();
 407 }
 408
 409 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 410 {
 411   bool aCanStart = true;
 412   isCommitted = false;
 413   ModuleBase_Operation* aCurrentOp = currentOperation();
 414   if (aCurrentOp) {
 415     bool aGranted = aCurrentOp->isGranted(theId);
 416     // the started operation is granted for the current one,
 417     // e.g. current - Sketch, started - Line
 418     if (aGranted) {
 419       aCanStart = true;
 420     }
 421     else {
 422       if (!isGrantedOperation(theId)) {
 423         // the operation is not granted in the current list of operations
 424         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 425         aCanStart = abortAllOperations();
 426       }
 427       else if (canStopOperation(aCurrentOp)) {
 428         // the started operation is granted in the parrent operation,
 429         // e.g. current - Line in Sketch, started Circle
 430         stopOperation(aCurrentOp, isCommitted);
 431       } else {
 432         aCanStart = false;
 433       }
 434     }
 435   }
 436   return aCanStart;
 437 }
 438
 439 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 440 {
 441   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 442       theOperation->isModified()) {
 443     isCommitted = theOperation->commit();
 444   } else {
 445     isCommitted = false;
 446     abortOperation(theOperation);
 447   }
 448 }
 449
 450 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 451 {
 452   ModuleBase_Operation* aCurrentOperation = currentOperation();
 453   if (theOperation && (theOperation == aCurrentOperation))
 454     theOperation->abort();
 455   else {
 456     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 457     // all operation from the current to triggered should also be aborted
 458     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 459     while(hasOperation()) {
 460       ModuleBase_Operation* aCurrentOperation = currentOperation();
 461       aCurrentOperation->abort();
 462       if(theOperation == aCurrentOperation)
 463         break;
 464     }
 465   }
 466 }
 467
 468 bool XGUI_OperationMgr::commitOperation()
 469 {
 470   bool isCommitted = false;
 471   ModuleBase_Operation* anOperation = currentOperation();
 472   if (anOperation && myWorkshop->module()->canCommitOperation())
 473     isCommitted = anOperation->commit();
 474   return isCommitted;
 475 }
 476
 477 void XGUI_OperationMgr::onAbortOperation()
 478 {
 479   ModuleBase_Operation* aCurrentOperation = currentOperation();
 480   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 481     abortOperation(aCurrentOperation);
 482   }
 483 }
 484
 485 void XGUI_OperationMgr::onAbortAllOperation()
 486 {
 487   abortAllOperations();
 488 }
 489
 490 void XGUI_OperationMgr::onBeforeOperationStarted()
 491 {
 492   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 493   if (!aCurrentOperation)
 494     return;
 495
 496   /// Set current feature and remeber old current feature
 497   ModuleBase_OperationFeature* aFOperation =
 498     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 499   if (aFOperation) {
 500     SessionPtr aMgr = ModelAPI_Session::get();
 501     DocumentPtr aDoc = aMgr->activeDocument();
 502     // the parameter of current feature should be false, we should use all feature, not only
 503     // visible in order to correctly save the previous feature of the nested operation, where the
 504     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 505     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 506     // When sketch entity operation started, the sketch should be cashed here as the current.
 507     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 508     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 509     // As a result the sketch disappears from the viewer.
 510     // However after commit it is displayed back.
 511     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 512
 513 #ifdef DEBUG_CURRENT_FEATURE
 514     FeaturePtr aFeature = aFOperation->feature();
 515     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 516     qDebug("");
 517     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 518             .arg(aFOperation->isEditOperation())
 519             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 520     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 521             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 522 #endif
 523
 524     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 525       // in create operation, the current feature is changed by addFeature()
 526       aDoc->setCurrentFeature(aFOperation->feature(), false);
 527 #ifdef DEBUG_CURRENT_FEATURE
 528       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 529              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 530 #endif
 531       // this is the only place where flushes must be called after setCurrentFeature for the
 532       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 533       // state may be corrupted (issue #1457)
 534       static Events_Loop* aLoop = Events_Loop::loop();
 535       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 536       aLoop->flush(aCreateEvent);
 537       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 538       aLoop->flush(aDeleteEvent);
 539     }
 540   }
 541 }
 542
 543 void XGUI_OperationMgr::onOperationStarted()
 544 {
 545   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 546   updateApplyOfOperations(aSenderOperation);
 547   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 548   aWorkshop->operationStarted(aSenderOperation);
 549 }
 550
 551 void XGUI_OperationMgr::onBeforeOperationAborted()
 552 {
 553   onBeforeOperationCommitted();
 554 }
 555
 556 void XGUI_OperationMgr::onOperationAborted()
 557 {
 558   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 559   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 560   aWorkshop->setStatusBarMessage("");
 561   emit operationAborted(aSenderOperation);
 562 }
 563
 564 void XGUI_OperationMgr::onBeforeOperationCommitted()
 565 {
 566   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 567   if (!aCurrentOperation)
 568     return;
 569
 570   /// Restore the previous current feature
 571   ModuleBase_OperationFeature* aFOperation =
 572     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 573   if (aFOperation) {
 574 #ifdef DEBUG_CURRENT_FEATURE
 575     QString aKind = aFOperation->feature()->getKind().c_str();
 576     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 577             .arg(aFOperation->isEditOperation())
 578             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 579     qDebug(QString("   document->currentFeature(false) = %1").arg(
 580             ModuleBase_Tools::objectName(
 581             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 582             .toStdString().c_str());
 583 #endif
 584
 585     if (aFOperation->isEditOperation()) {
 586       /// Restore the previous current feature
 587       setCurrentFeature(aFOperation->previousCurrentFeature());
 588     }
 589     else { // create operation
 590       // the Top created feature should stays the current. In nested operations,
 591       // like Line in the Sketch or
 592       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 593       // It is performed here
 594       // in order to perform it in the current transaction without opening a new one.
 595       if (myOperations.front() != aFOperation)
 596         setCurrentFeature(aFOperation->previousCurrentFeature());
 597     }
 598     ModuleBase_IModule* aModule = myWorkshop->module();
 599     if (aModule)
 600       aModule->beforeOperationStopped(aFOperation);
 601   }
 602 }
 603
 604 void XGUI_OperationMgr::onOperationCommitted()
 605 {
 606   // apply state for all features from the stack of operations should be updated
 607   updateApplyOfOperations();
 608
 609   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 610   emit operationCommitted(aSenderOperation);
 611 }
 612
 613 void XGUI_OperationMgr::onOperationResumed()
 614 {
 615   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 616   emit operationResumed(aSenderOperation);
 617 }
 618
 619 void XGUI_OperationMgr::onOperationStopped()
 620 {
 621   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 622   ModuleBase_Operation* aCurrentOperation = currentOperation();
 623   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 624     return;
 625
 626   myOperations.removeAll(aCurrentOperation);
 627   aCurrentOperation->deleteLater();
 628
 629   emit operationStopped(aCurrentOperation);
 630
 631   // get last operation which can be resumed
 632   ModuleBase_Operation* aResultOp = 0;
 633   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 634   anIt.toBack();
 635   while (anIt.hasPrevious()) {
 636     ModuleBase_Operation* anOp = anIt.previous();
 637     if (anOp) {
 638       aResultOp = anOp;
 639       break;
 640     }
 641   }
 642   if (aResultOp) {
 643     //bool isModified = aCurrentOperation->isModified();
 644     //aResultOp->setIsModified(aResultOp->isModified() || isModified);
 645     resumeOperation(aResultOp);
 646     onValidateOperation();
 647   }
 648 }
 649
 650 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 651 {
 652   bool isAccepted = false;
 653
 654   // Let the manager decide what to do with the given key combination.
 655   ModuleBase_Operation* anOperation = currentOperation();
 656   switch (theEvent->key()) {
 657     case Qt::Key_Tab:
 658     case Qt::Key_Backtab:
 659     {
 660       ModuleBase_Operation* aOperation = currentOperation();
 661       if (aOperation) {
 662         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 663         if (aPanel) {
 664           QWidget* aFocusedWidget = qApp->focusWidget();
 665           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 666           if (!isPPChildObject) {
 667             // check for case when the operation is started but property panel is not filled
 668             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 669             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 670             isAccepted = true;
 671           }
 672         }
 673       }
 674     }
 675     break;
 676     case Qt::Key_Return:
 677     case Qt::Key_Enter: {
 678       isAccepted = onProcessEnter(theObject);
 679     }
 680     break;
 681     case Qt::Key_N:
 682     case Qt::Key_P: {
 683       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 684       if (noModifiers) {
 685         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 686         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 687         if (!aContext.IsNull()) {
 688           Handle(V3d_View) aView = aViewer->activeView();
 689           if ((theEvent->key() == Qt::Key_N))
 690             aContext->HilightNextDetected(aView);
 691           else if ((theEvent->key() == Qt::Key_P))
 692             aContext->HilightPreviousDetected(aView);
 693           aViewer->updateHighlight();
 694           isAccepted = true;
 695         }
 696       }
 697       }
 698       break;
 699    case Qt::Key_H:
 700      if ((theEvent->modifiers() == Qt::NoModifier))
 701       myWorkshop->viewer()->hideSelectionHighlight();
 702      break;
 703    default:
 704       isAccepted = false;
 705       break;
 706   }
 707   //if(anOperation) {
 708   //  anOperation->keyReleased(theEvent->key());
 709   //}
 710   return isAccepted;
 711 }
 712
 713 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 714 {
 715   // Let the manager decide what to do with the given key combination.
 716   ModuleBase_Operation* anOperation = currentOperation();
 717   bool isAccepted = false;
 718   switch (theEvent->key()) {
 719     case Qt::Key_Escape: {
 720       // processing in message box
 721       if (myActiveMessageBox)
 722       {
 723         myActiveMessageBox->reject();
 724         isAccepted = true;
 725       }
 726       // processing in the active widget
 727       ModuleBase_Operation* aOperation = currentOperation();
 728       if (!isAccepted && aOperation) {
 729         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 730         if (aPanel) {
 731           ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 732           if (anActiveWgt)
 733           {
 734             isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 735             if (isAccepted) {
 736               ModuleBase_OperationFeature* aFOperation =
 737                 dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 738               if (aFOperation)
 739                 aFOperation->setNeedToBeAborted(true);
 740             }
 741           }
 742         }
 743       }
 744       if (!isAccepted)
 745       {
 746         XGUI_ActiveControlSelector* anActiveSelector =
 747           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 748         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 749           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 750       }
 751       // default Escape button functionality
 752       if (!isAccepted && aOperation) {
 753         onAbortOperation();
 754         isAccepted = true;
 755       }
 756     }
 757     break;
 758     case Qt::Key_H:
 759       if ((theEvent->modifiers() == Qt::NoModifier))
 760         myWorkshop->viewer()->showSelectionHighlight();
 761       break;
 762   }
 763   return isAccepted;
 764 }
 765
 766 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 767 {
 768   bool isAccepted = false;
 769   ModuleBase_Operation* aOperation = currentOperation();
 770   // to avoid enter processing when operation has not been started yet
 771   if (!aOperation)
 772     return isAccepted;
 773   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 774   if (!aPanel)
 775     return isAccepted;
 776   // the next code is obsolete as we want to process Enter in property panel always
 777   // only property panel enter is processed in order to do not process enter in application dialogs
 778   //bool isPPChild = isChildObject(theObject, aPanel);
 779   //if (!isPPChild)
 780   //  return isAccepted;
 781
 782   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 783   bool isAborted = false;
 784   if (!anActiveWgt) {
 785     QWidget* aFocusWidget = aPanel->focusWidget();
 786     QToolButton* aCancelBtn =
 787       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 788     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 789       abortOperation(aOperation);
 790       isAccepted = true;
 791       isAborted = true;
 792     }
 793   }
 794   if (!isAborted) {
 795     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 796     if (!isAccepted) {
 797       isAccepted =
 798         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 799       if (!isAccepted) {
 800         /// functionality is similar to Apply click
 801         ModuleBase_OperationFeature* aFOperation =
 802           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 803         if (!aFOperation ||
 804             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 805           // key released is emitted to apply the current value to the model
 806           // if it was modified in PP
 807           emit keyEnterReleased();
 808           commitOperation();
 809           isAccepted = true;
 810         }
 811         else
 812           isAccepted = false;
 813       }
 814     }
 815   }
 816   return isAccepted;
 817 }
 818
 819 bool editorControl(QObject* theObject)
 820 {
 821   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 822   return aLineEdit;
 823 }
 824
 825 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 826 {
 827   bool isAccepted = false;
 828   ModuleBase_Operation* aOperation = currentOperation();
 829   ModuleBase_ModelWidget* anActiveWgt = 0;
 830   // firstly the widget should process Delete action
 831   ModuleBase_IPropertyPanel* aPanel;
 832   bool isPPChildObject = false;
 833   if (aOperation) {
 834     aPanel = aOperation->propertyPanel();
 835     if (aPanel) {
 836       isPPChildObject = isChildObject(theObject, aPanel);
 837       // process delete in active widget only if delete sender is child of property panel
 838       // it is necessary for the case when OB is shown, user perform selection and click Delete
 839       if (isPPChildObject) {
 840         anActiveWgt = aPanel->activeWidget();
 841         if (anActiveWgt) {
 842           isAccepted = anActiveWgt->processAction(ActionDelete);
 843         }
 844       }
 845     }
 846   }
 847   if (!isAccepted)
 848   {
 849     XGUI_ActiveControlSelector* anActiveSelector =
 850       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 851     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 852       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 853   }
 854   if (!isAccepted) {
 855     // after widget, object browser and viewer should process delete
 856     /// other widgets such as line edit controls should not lead to
 857     /// processing delete by workshop
 858     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 859     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 860     bool isToDeleteObject = true;
 861     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 862     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 863     if (theObject == aBrowser->treeView()) {
 864       aContextMenuMgr->updateObjectBrowserMenu();
 865       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 866     }
 867     else if (isChildObject(theObject, aViewPort)) {
 868       aContextMenuMgr->updateViewerMenu();
 869       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 870     }
 871     else if (isPPChildObject) {
 872       // property panel child object is processed to process delete performed on Apply button of PP
 873       isToDeleteObject = true;
 874     }
 875     else if (editorControl(theObject)) {
 876       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 877       isAccepted = true;
 878     }
 879
 880     if (isToDeleteObject) {
 881       aWorkshop->deleteObjects();
 882       isAccepted = true;
 883     }
 884   }
 885
 886   return isAccepted;
 887 }
 888
 889 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 890 {
 891   bool isPPChild = false;
 892   if (theParent && theObject) {
 893     QObject* aParent = (QObject*)theObject;
 894     while (aParent ) {
 895       isPPChild = aParent == theParent;
 896       if (isPPChild)
 897         break;
 898       aParent = aParent->parent();
 899     }
 900   }
 901   return isPPChild;
 902 }
 903
 904 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 905 {
 906   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 907     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 908     qApp->activeWindow());
 909   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 910   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 911
 912   return aMessageBox;
 913 }
 914
 915 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 916 {
 917   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 918     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 919     qApp->activeWindow());
 920   aMessageBox->setDefaultButton(QMessageBox::Ok);
 921   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 922
 923   return aMessageBox;
 924 }