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