src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-2017  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
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "XGUI_OperationMgr.h"
  22
  23 #include "XGUI_ActiveControlMgr.h"
  24 #include "XGUI_ActiveControlSelector.h"
  25 #include "XGUI_FacesPanelSelector.h"
  26 #include "XGUI_ModuleConnector.h"
  27 #include "XGUI_Workshop.h"
  28 #include "XGUI_ErrorMgr.h"
  29 #include "XGUI_FacesPanel.h"
  30 #include "XGUI_Tools.h"
  31 #include "XGUI_ObjectsBrowser.h"
  32 #include "XGUI_ContextMenuMgr.h"
  33
  34 #include <ModuleBase_IPropertyPanel.h>
  35 #include <ModuleBase_ModelWidget.h>
  36 #include "ModuleBase_Operation.h"
  37 #include "ModuleBase_IWorkshop.h"
  38 #include "ModuleBase_IModule.h"
  39 #include <ModuleBase_IViewer.h>
  40 #include "ModuleBase_OperationDescription.h"
  41 #include "ModuleBase_OperationFeature.h"
  42 #include "ModuleBase_Tools.h"
  43
  44 #include "ModelAPI_CompositeFeature.h"
  45 #include "ModelAPI_Session.h"
  46
  47 #include <XGUI_PropertyPanel.h>
  48 #include <QToolButton>
  49 #include <QLineEdit>
  50
  51 #include <QMessageBox>
  52 #include <QApplication>
  53 #include <QKeyEvent>
  54
  55 //#define DEBUG_CURRENT_FEATURE
  56
  57 /// Processes "Delete" key event of application. This key is used by several application actions.
  58 /// There is a logical order of the actions processing. So the key can not be set for actions
  59 /// as a shortcut. The class listens the key event and call operation manager processor.
  60 class XGUI_ShortCutListener : public QObject
  61 {
  62 public:
  63   /// Constructor
  64   /// \param theParent the parent to be deleted when the parent is deleted
  65   /// \param theOperationMgr the class to perform deletion
  66   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  67     : QObject(theParent), myOperationMgr(theOperationMgr), myIsActive(false)
  68   {
  69     qApp->installEventFilter(this);
  70   }
  71   ~XGUI_ShortCutListener() {}
  72
  73   /// Switch on short cut listener
  74   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  75
  76   /// Redefinition of virtual function to process Delete key release
  77   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  78   {
  79     bool isAccepted = false;
  80     if (myIsActive) {
  81       if (theEvent->type() == QEvent::KeyRelease) {
  82         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  83         if (aKeyEvent) {
  84           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  85           switch (aKeyEvent->key()) {
  86             case Qt::Key_Delete:
  87               isAccepted = myOperationMgr->onProcessDelete(theObject);
  88             break;
  89             default:
  90               isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
  91               break;
  92           }
  93         }
  94       }
  95       else if (theEvent->type() == QEvent::KeyPress) {
  96         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  97         myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  98         switch (aKeyEvent->key()) {
  99           case Qt::Key_Escape:
 100             isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 101           break;
 102           default:
 103             break;
 104         }
 105       }
 106     }
 107     if (!isAccepted)
 108       isAccepted = QObject::eventFilter(theObject, theEvent);
 109     return isAccepted;
 110   }
 111
 112 private:
 113   XGUI_OperationMgr* myOperationMgr; /// processor for key event
 114   bool myIsActive; /// boolean state whether the event filter perform own signal processing
 115 };
 116
 117 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 118                                      ModuleBase_IWorkshop* theWorkshop)
 119 : QObject(theParent), myWorkshop(theWorkshop), mySHIFTPressed(false), myActiveMessageBox(0)
 120 {
 121   /// we need to install filter to the application in order to react to 'Delete' key button
 122   /// this key can not be a short cut for a corresponded action because we need to set
 123   /// the actions priority
 124   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
 125 }
 126
 127 XGUI_OperationMgr::~XGUI_OperationMgr()
 128 {
 129 }
 130
 131 void XGUI_OperationMgr::activate()
 132 {
 133   myShortCutListener->setActive(true);
 134 }
 135
 136 void XGUI_OperationMgr::deactivate()
 137 {
 138   myShortCutListener->setActive(false);
 139 }
 140
 141 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 142 {
 143   return myOperations.count() > 0 ? myOperations.last() : 0;
 144 }
 145
 146 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 147 {
 148   if(!hasOperation())
 149     return false;
 150   return currentOperation() == theOperation;
 151 }
 152
 153 bool XGUI_OperationMgr::hasOperation() const
 154 {
 155   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 156 }
 157
 158 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 159 {
 160   foreach(ModuleBase_Operation* aOp, myOperations) {
 161     if (aOp->id() == theId)
 162       return true;
 163   }
 164   return false;
 165 }
 166
 167 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 168 {
 169   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 170   while (anIt != myOperations.begin()) {
 171     --anIt;
 172     ModuleBase_Operation* anOperation = *anIt;
 173     if (anOperation->id() == theId)
 174       return anOperation;
 175   }
 176   return 0;
 177 }
 178
 179
 180 int XGUI_OperationMgr::operationsCount() const
 181 {
 182   return myOperations.count();
 183 }
 184
 185 QStringList XGUI_OperationMgr::operationList() const
 186 {
 187   QStringList result;
 188   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 189     ModuleBase_OperationFeature* aFOperation =
 190       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 191     if (aFOperation) {
 192       FeaturePtr aFeature = aFOperation->feature();
 193       if(aFeature) {
 194         result << QString::fromStdString(aFeature->getKind());
 195       }
 196     }
 197   }
 198   return result;
 199 }
 200
 201 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 202 {
 203   int idx = myOperations.lastIndexOf(theOperation);
 204   if(idx == -1 || idx == 0) {
 205     return NULL;
 206   }
 207   return myOperations.at(idx - 1);
 208 }
 209
 210 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 211 {
 212   ModuleBase_ModelWidget* anActiveWidget = 0;
 213   ModuleBase_Operation* anOperation = currentOperation();
 214   if (anOperation) {
 215     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 216     if (aPanel)
 217       anActiveWidget = aPanel->activeWidget();
 218   }
 219   return anActiveWidget;
 220 }
 221
 222 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 223 {
 224   if (hasOperation())
 225     currentOperation()->postpone();
 226   myOperations.append(theOperation);
 227
 228   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 229   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 230   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 231
 232   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 233   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 234   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 235
 236   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 237   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 238
 239   bool isStarted = theOperation->start();
 240   if (isStarted)
 241     onValidateOperation();
 242   return isStarted;
 243 }
 244
 245 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 246 {
 247   bool aResult = true;
 248   if(!hasOperation())
 249     return aResult;
 250
 251   if (operationsCount() == 1) {
 252     ModuleBase_Operation* aCurrentOperation = currentOperation();
 253     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 254       abortOperation(aCurrentOperation);
 255     }
 256     else
 257       aResult = false;
 258   }
 259   else {
 260     if (theMessageKind == XGUI_AbortOperationMessage) {
 261       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 262       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 263       myActiveMessageBox = 0;
 264     }
 265     else if (theMessageKind == XGUI_InformationMessage) {
 266       QString aMessage = tr("Please validate all your active operations before saving.");
 267       myActiveMessageBox = createInformationBox(aMessage);
 268       myActiveMessageBox->exec();
 269       myActiveMessageBox = 0;
 270       aResult = false; // do not perform abort
 271     }
 272     while(aResult && hasOperation()) {
 273       abortOperation(currentOperation());
 274     }
 275   }
 276   return aResult;
 277 }
 278
 279 bool XGUI_OperationMgr::commitAllOperations()
 280 {
 281   bool isCompositeCommitted = false, anOperationProcessed = false;
 282   while (hasOperation()) {
 283     ModuleBase_Operation* anOperation = currentOperation();
 284     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 285       anOperationProcessed = commitOperation();
 286     } else {
 287       abortOperation(anOperation);
 288       anOperationProcessed = true;
 289     }
 290     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 291                                                                             (anOperation);
 292     if (aFOperation) {
 293       FeaturePtr aFeature = aFOperation->feature();
 294       CompositeFeaturePtr aComposite =
 295           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 296       isCompositeCommitted = aComposite.get();
 297       if (isCompositeCommitted)
 298         break;
 299     }
 300     // not processed[committed] operation might be used in composite feature,
 301     // so the while will be stopped by the previous check.
 302     // this code is not necessary, but logically should be done when the processing will not
 303     // be done for not composite feature by some reasons
 304     if (!anOperationProcessed)
 305       break;
 306   }
 307   return true;
 308 }
 309
 310 void XGUI_OperationMgr::onValidateOperation()
 311 {
 312   if (!hasOperation())
 313     return;
 314   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 315                                                                           (currentOperation());
 316   if(aFOperation && aFOperation->feature().get())
 317     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 318 }
 319
 320 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 321 {
 322   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 323   if (theOperation) {
 324     ModuleBase_OperationFeature* aFOperation =
 325       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 326     if (aFOperation)
 327       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 328   }
 329   else {
 330     foreach(ModuleBase_Operation* anOperation, myOperations) {
 331       if (anOperation)
 332         updateApplyOfOperations(anOperation);
 333     }
 334   }
 335   // Apply button of the current operation should also be updated
 336   onValidateOperation();
 337 }
 338
 339 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 340                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 341 {
 342   //in case of nested (sketch) operation no confirmation needed
 343   if (isGrantedOperation(theOperation->id()))
 344     return true;
 345   if (theOperation && theOperation->isModified()) {
 346     QString aTitle = theOperation->getDescription()->description();
 347     if (theMessageKind == XGUI_AbortOperationMessage) {
 348       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 349       myActiveMessageBox = createMessageBox(aMessage);
 350       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 351       myActiveMessageBox = 0;
 352       return aResult;
 353     }
 354     else if (theMessageKind == XGUI_InformationMessage) {
 355       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 356       myActiveMessageBox = createInformationBox(aMessage);
 357       myActiveMessageBox->exec();
 358       myActiveMessageBox = 0;
 359       return false;
 360     }
 361   }
 362   return true;
 363 }
 364
 365 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 366 {
 367   theOperation->resume();
 368 }
 369
 370 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 371 {
 372   bool isGranted = false;
 373
 374   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 375   anIt.toBack();
 376   ModuleBase_Operation* aPreviousOperation = 0;
 377   while (anIt.hasPrevious() && !isGranted) {
 378     ModuleBase_Operation* anOp = anIt.previous();
 379     if (anOp)
 380       isGranted = anOp->isGranted(theId);
 381   }
 382   return isGranted;
 383 }
 384
 385 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 386 {
 387   SessionPtr aMgr = ModelAPI_Session::get();
 388   DocumentPtr aDoc = aMgr->activeDocument();
 389   bool aIsOp = aMgr->isOperation();
 390   if (!aIsOp)
 391     aMgr->startOperation(QString("Set current feature: %1")
 392     .arg(theFeature->getKind().c_str()).toStdString());
 393   aDoc->setCurrentFeature(theFeature, false);
 394 #ifdef DEBUG_CURRENT_FEATURE
 395   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 396          ModuleBase_Tools::objectName(
 397          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 398 #endif
 399
 400   if (!aIsOp)
 401     aMgr->finishOperation();
 402 }
 403
 404 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 405 {
 406   bool aCanStart = true;
 407   isCommitted = false;
 408   ModuleBase_Operation* aCurrentOp = currentOperation();
 409   if (aCurrentOp) {
 410     bool aGranted = aCurrentOp->isGranted(theId);
 411     // the started operation is granted for the current one,
 412     // e.g. current - Sketch, started - Line
 413     if (aGranted) {
 414       aCanStart = true;
 415     }
 416     else {
 417       if (!isGrantedOperation(theId)) {
 418         // the operation is not granted in the current list of operations
 419         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 420         aCanStart = abortAllOperations();
 421       }
 422       else if (canStopOperation(aCurrentOp)) {
 423         // the started operation is granted in the parrent operation,
 424         // e.g. current - Line in Sketch, started Circle
 425         stopOperation(aCurrentOp, isCommitted);
 426       } else {
 427         aCanStart = false;
 428       }
 429     }
 430   }
 431   return aCanStart;
 432 }
 433
 434 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 435 {
 436   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 437       theOperation->isModified()) {
 438     isCommitted = theOperation->commit();
 439   } else {
 440     isCommitted = false;
 441     abortOperation(theOperation);
 442   }
 443 }
 444
 445 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 446 {
 447   ModuleBase_Operation* aCurrentOperation = currentOperation();
 448   if (theOperation == aCurrentOperation)
 449     theOperation->abort();
 450   else {
 451     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 452     // all operation from the current to triggered should also be aborted
 453     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 454     while(hasOperation()) {
 455       ModuleBase_Operation* aCurrentOperation = currentOperation();
 456       aCurrentOperation->abort();
 457       if(theOperation == aCurrentOperation)
 458         break;
 459     }
 460   }
 461 }
 462
 463 bool XGUI_OperationMgr::commitOperation()
 464 {
 465   bool isCommitted = false;
 466   ModuleBase_Operation* anOperation = currentOperation();
 467   if (anOperation && myWorkshop->module()->canCommitOperation())
 468     isCommitted = anOperation->commit();
 469   return isCommitted;
 470 }
 471
 472 void XGUI_OperationMgr::onAbortOperation()
 473 {
 474   ModuleBase_Operation* aCurrentOperation = currentOperation();
 475   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 476     abortOperation(aCurrentOperation);
 477   }
 478 }
 479
 480 void XGUI_OperationMgr::onAbortAllOperation()
 481 {
 482   abortAllOperations();
 483 }
 484
 485 void XGUI_OperationMgr::onBeforeOperationStarted()
 486 {
 487   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 488   if (!aCurrentOperation)
 489     return;
 490
 491   /// Set current feature and remeber old current feature
 492   ModuleBase_OperationFeature* aFOperation =
 493     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 494   if (aFOperation) {
 495     SessionPtr aMgr = ModelAPI_Session::get();
 496     DocumentPtr aDoc = aMgr->activeDocument();
 497     // the parameter of current feature should be false, we should use all feature, not only
 498     // visible in order to correctly save the previous feature of the nested operation, where the
 499     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 500     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 501     // When sketch entity operation started, the sketch should be cashed here as the current.
 502     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 503     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 504     // As a result the sketch disappears from the viewer.
 505     // However after commit it is displayed back.
 506     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 507
 508 #ifdef DEBUG_CURRENT_FEATURE
 509     FeaturePtr aFeature = aFOperation->feature();
 510     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 511     qDebug("");
 512     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 513             .arg(aFOperation->isEditOperation())
 514             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 515     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 516             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 517 #endif
 518
 519     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 520       // in create operation, the current feature is changed by addFeature()
 521       aDoc->setCurrentFeature(aFOperation->feature(), false);
 522 #ifdef DEBUG_CURRENT_FEATURE
 523       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 524              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 525 #endif
 526       // this is the only place where flushes must be called after setCurrentFeature for the
 527       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 528       // state may be corrupted (issue #1457)
 529       static Events_Loop* aLoop = Events_Loop::loop();
 530       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 531       aLoop->flush(aCreateEvent);
 532       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 533       aLoop->flush(aDeleteEvent);
 534     }
 535   }
 536 }
 537
 538 void XGUI_OperationMgr::onOperationStarted()
 539 {
 540   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 541   updateApplyOfOperations(aSenderOperation);
 542   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 543   aWorkshop->operationStarted(aSenderOperation);
 544 }
 545
 546 void XGUI_OperationMgr::onBeforeOperationAborted()
 547 {
 548   onBeforeOperationCommitted();
 549 }
 550
 551 void XGUI_OperationMgr::onOperationAborted()
 552 {
 553   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 554   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 555   aWorkshop->setStatusBarMessage("");
 556   emit operationAborted(aSenderOperation);
 557 }
 558
 559 void XGUI_OperationMgr::onBeforeOperationCommitted()
 560 {
 561   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 562   if (!aCurrentOperation)
 563     return;
 564
 565   /// Restore the previous current feature
 566   ModuleBase_OperationFeature* aFOperation =
 567     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 568   if (aFOperation) {
 569 #ifdef DEBUG_CURRENT_FEATURE
 570     QString aKind = aFOperation->feature()->getKind().c_str();
 571     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 572             .arg(aFOperation->isEditOperation())
 573             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 574     qDebug(QString("   document->currentFeature(false) = %1").arg(
 575             ModuleBase_Tools::objectName(
 576             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 577             .toStdString().c_str());
 578 #endif
 579
 580     if (aFOperation->isEditOperation()) {
 581       /// Restore the previous current feature
 582       setCurrentFeature(aFOperation->previousCurrentFeature());
 583     }
 584     else { // create operation
 585       // the Top created feature should stays the current. In nested operations,
 586       // like Line in the Sketch or
 587       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 588       // It is performed here
 589       // in order to perform it in the current transaction without opening a new one.
 590       if (myOperations.front() != aFOperation)
 591         setCurrentFeature(aFOperation->previousCurrentFeature());
 592     }
 593     ModuleBase_IModule* aModule = myWorkshop->module();
 594     if (aModule)
 595       aModule->beforeOperationStopped(aFOperation);
 596   }
 597 }
 598
 599 void XGUI_OperationMgr::onOperationCommitted()
 600 {
 601   // apply state for all features from the stack of operations should be updated
 602   updateApplyOfOperations();
 603
 604   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 605   emit operationCommitted(aSenderOperation);
 606 }
 607
 608 void XGUI_OperationMgr::onOperationResumed()
 609 {
 610   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 611   emit operationResumed(aSenderOperation);
 612 }
 613
 614 void XGUI_OperationMgr::onOperationStopped()
 615 {
 616   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 617   ModuleBase_Operation* aCurrentOperation = currentOperation();
 618   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 619     return;
 620
 621   myOperations.removeAll(aCurrentOperation);
 622   aCurrentOperation->deleteLater();
 623
 624   emit operationStopped(aCurrentOperation);
 625
 626   // get last operation which can be resumed
 627   ModuleBase_Operation* aResultOp = 0;
 628   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 629   anIt.toBack();
 630   while (anIt.hasPrevious()) {
 631     ModuleBase_Operation* anOp = anIt.previous();
 632     if (anOp) {
 633       aResultOp = anOp;
 634       break;
 635     }
 636   }
 637   if (aResultOp) {
 638     bool isModified = aCurrentOperation->isModified();
 639     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 640     resumeOperation(aResultOp);
 641     onValidateOperation();
 642   }
 643 }
 644
 645 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 646 {
 647   bool isAccepted = false;
 648
 649   // Let the manager decide what to do with the given key combination.
 650   ModuleBase_Operation* anOperation = currentOperation();
 651   switch (theEvent->key()) {
 652     case Qt::Key_Tab:
 653     case Qt::Key_Backtab:
 654     {
 655       ModuleBase_Operation* aOperation = currentOperation();
 656       if (aOperation) {
 657         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 658         if (aPanel) {
 659           QWidget* aFocusedWidget = qApp->focusWidget();
 660           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 661           if (!isPPChildObject) {
 662             // check for case when the operation is started but property panel is not filled
 663             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 664             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 665             isAccepted = true;
 666           }
 667         }
 668       }
 669     }
 670     break;
 671     case Qt::Key_Return:
 672     case Qt::Key_Enter: {
 673       isAccepted = onProcessEnter(theObject);
 674     }
 675     break;
 676     case Qt::Key_N:
 677     case Qt::Key_P: {
 678       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 679       if (noModifiers) {
 680         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 681         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 682         if (!aContext.IsNull()) {
 683           Handle(V3d_View) aView = aViewer->activeView();
 684           if ((theEvent->key() == Qt::Key_N))
 685             aContext->HilightNextDetected(aView);
 686           else if ((theEvent->key() == Qt::Key_P))
 687             aContext->HilightPreviousDetected(aView);
 688           aViewer->updateHighlight();
 689           isAccepted = true;
 690         }
 691       }
 692     }
 693     break;
 694     break;
 695     default:
 696       isAccepted = false;
 697       break;
 698   }
 699   //if(anOperation) {
 700   //  anOperation->keyReleased(theEvent->key());
 701   //}
 702   return isAccepted;
 703 }
 704
 705 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 706 {
 707   // Let the manager decide what to do with the given key combination.
 708   ModuleBase_Operation* anOperation = currentOperation();
 709   bool isAccepted = false;
 710   switch (theEvent->key()) {
 711     case Qt::Key_Escape: {
 712       // processing in message box
 713       if (myActiveMessageBox)
 714       {
 715         myActiveMessageBox->reject();
 716         isAccepted = true;
 717       }
 718       // processing in the active widget
 719       ModuleBase_Operation* aOperation = currentOperation();
 720       if (!isAccepted && aOperation) {
 721         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 722         ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 723         if (anActiveWgt)
 724         {
 725           isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 726           if (isAccepted) {
 727             ModuleBase_OperationFeature* aFOperation =
 728               dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 729             if (aFOperation)
 730               aFOperation->setNeedToBeAborted(true);
 731           }
 732         }
 733       }
 734       if (!isAccepted)
 735       {
 736         XGUI_ActiveControlSelector* anActiveSelector =
 737           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 738         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 739           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 740       }
 741       // default Escape button functionality
 742       if (!isAccepted && aOperation) {
 743         onAbortOperation();
 744         isAccepted = true;
 745       }
 746     }
 747     break;
 748   }
 749   return isAccepted;
 750 }
 751
 752 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 753 {
 754   bool isAccepted = false;
 755   ModuleBase_Operation* aOperation = currentOperation();
 756   // to avoid enter processing when operation has not been started yet
 757   if (!aOperation)
 758     return isAccepted;
 759   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 760   if (!aPanel)
 761     return isAccepted;
 762   // the next code is obsolete as we want to process Enter in property panel always
 763   // only property panel enter is processed in order to do not process enter in application dialogs
 764   //bool isPPChild = isChildObject(theObject, aPanel);
 765   //if (!isPPChild)
 766   //  return isAccepted;
 767
 768   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 769   bool isAborted = false;
 770   if (!anActiveWgt) {
 771     QWidget* aFocusWidget = aPanel->focusWidget();
 772     QToolButton* aCancelBtn =
 773       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 774     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 775       abortOperation(aOperation);
 776       isAccepted = true;
 777       isAborted = true;
 778     }
 779   }
 780   if (!isAborted) {
 781     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 782     if (!isAccepted) {
 783       isAccepted =
 784         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 785       if (!isAccepted) {
 786         /// functionality is similar to Apply click
 787         ModuleBase_OperationFeature* aFOperation =
 788           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 789         if (!aFOperation ||
 790             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 791           // key released is emitted to apply the current value to the model
 792           // if it was modified in PP
 793           emit keyEnterReleased();
 794           commitOperation();
 795           isAccepted = true;
 796         }
 797         else
 798           isAccepted = false;
 799       }
 800     }
 801   }
 802   return isAccepted;
 803 }
 804
 805 bool editorControl(QObject* theObject)
 806 {
 807   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 808   return aLineEdit;
 809 }
 810
 811 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 812 {
 813   bool isAccepted = false;
 814   ModuleBase_Operation* aOperation = currentOperation();
 815   ModuleBase_ModelWidget* anActiveWgt = 0;
 816   // firstly the widget should process Delete action
 817   ModuleBase_IPropertyPanel* aPanel;
 818   bool isPPChildObject = false;
 819   if (aOperation) {
 820     aPanel = aOperation->propertyPanel();
 821     if (aPanel) {
 822       isPPChildObject = isChildObject(theObject, aPanel);
 823       // process delete in active widget only if delete sender is child of property panel
 824       // it is necessary for the case when OB is shown, user perform selection and click Delete
 825       if (isPPChildObject) {
 826         anActiveWgt = aPanel->activeWidget();
 827         if (anActiveWgt) {
 828           isAccepted = anActiveWgt->processAction(ActionDelete);
 829         }
 830       }
 831     }
 832   }
 833   if (!isAccepted)
 834   {
 835     XGUI_ActiveControlSelector* anActiveSelector =
 836       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 837     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 838       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 839   }
 840   if (!isAccepted) {
 841     // after widget, object browser and viewer should process delete
 842     /// other widgets such as line edit controls should not lead to
 843     /// processing delete by workshop
 844     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 845     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 846     bool isToDeleteObject = false;
 847     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 848     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 849     if (theObject == aBrowser->treeView()) {
 850       aContextMenuMgr->updateObjectBrowserMenu();
 851       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 852     }
 853     else if (isChildObject(theObject, aViewPort)) {
 854       aContextMenuMgr->updateViewerMenu();
 855       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 856     }
 857     else if (isPPChildObject) {
 858       // property panel child object is processed to process delete performed on Apply button of PP
 859       isToDeleteObject = true;
 860     }
 861     else if (editorControl(theObject)) {
 862       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 863       isAccepted = true;
 864     }
 865
 866     if (isToDeleteObject) {
 867       aWorkshop->deleteObjects();
 868       isAccepted = true;
 869     }
 870   }
 871
 872   return isAccepted;
 873 }
 874
 875 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 876 {
 877   bool isPPChild = false;
 878   if (theParent && theObject) {
 879     QObject* aParent = (QObject*)theObject;
 880     while (aParent ) {
 881       isPPChild = aParent == theParent;
 882       if (isPPChild)
 883         break;
 884       aParent = aParent->parent();
 885     }
 886   }
 887   return isPPChild;
 888 }
 889
 890 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 891 {
 892   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 893     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 894     qApp->activeWindow());
 895   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 896   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 897
 898   return aMessageBox;
 899 }
 900
 901 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 902 {
 903   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 904     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 905     qApp->activeWindow());
 906   aMessageBox->setDefaultButton(QMessageBox::Ok);
 907   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 908
 909   return aMessageBox;
 910 }