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 "ModelAPI_CompositeFeature.h"
  44 #include "ModelAPI_Session.h"
  45
  46 #include <XGUI_PropertyPanel.h>
  47 #include <QToolButton>
  48 #include <QLineEdit>
  49
  50 #include <QMessageBox>
  51 #include <QApplication>
  52 #include <QKeyEvent>
  53
  54 //#define DEBUG_CURRENT_FEATURE
  55
  56 /// Processes "Delete" key event of application. This key is used by several application actions.
  57 /// There is a logical order of the actions processing. So the key can not be set for actions
  58 /// as a shortcut. The class listens the key event and call operation manager processor.
  59 class XGUI_ShortCutListener : public QObject
  60 {
  61 public:
  62   /// Constructor
  63   /// \param theParent the parent to be deleted when the parent is deleted
  64   /// \param theOperationMgr the class to perform deletion
  65   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  66     : QObject(theParent), myOperationMgr(theOperationMgr), myIsActive(false)
  67   {
  68     qApp->installEventFilter(this);
  69   }
  70   ~XGUI_ShortCutListener() {}
  71
  72   /// Switch on short cut listener
  73   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  74
  75   /// Redefinition of virtual function to process Delete key release
  76   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  77   {
  78     bool isAccepted = false;
  79     if (myIsActive) {
  80       if (theEvent->type() == QEvent::KeyRelease) {
  81         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  82         if (aKeyEvent) {
  83           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  84           switch (aKeyEvent->key()) {
  85             case Qt::Key_Delete:
  86               isAccepted = myOperationMgr->onProcessDelete(theObject);
  87             break;
  88             default:
  89               isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
  90               break;
  91           }
  92         }
  93       }
  94       else if (theEvent->type() == QEvent::KeyPress) {
  95         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  96         myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  97         switch (aKeyEvent->key()) {
  98           case Qt::Key_Escape:
  99             isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 100           break;
 101           default:
 102             break;
 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     QString aTitle = theOperation->getDescription()->description();
 346     if (theMessageKind == XGUI_AbortOperationMessage) {
 347       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 348       myActiveMessageBox = createMessageBox(aMessage);
 349       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 350       myActiveMessageBox = 0;
 351       return aResult;
 352     }
 353     else if (theMessageKind == XGUI_InformationMessage) {
 354       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 355       myActiveMessageBox = createInformationBox(aMessage);
 356       myActiveMessageBox->exec();
 357       myActiveMessageBox = 0;
 358       return false;
 359     }
 360   }
 361   return true;
 362 }
 363
 364 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 365 {
 366   theOperation->resume();
 367 }
 368
 369 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 370 {
 371   bool isGranted = false;
 372
 373   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 374   anIt.toBack();
 375   ModuleBase_Operation* aPreviousOperation = 0;
 376   while (anIt.hasPrevious() && !isGranted) {
 377     ModuleBase_Operation* anOp = anIt.previous();
 378     if (anOp)
 379       isGranted = anOp->isGranted(theId);
 380   }
 381   return isGranted;
 382 }
 383
 384 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 385 {
 386   SessionPtr aMgr = ModelAPI_Session::get();
 387   DocumentPtr aDoc = aMgr->activeDocument();
 388   bool aIsOp = aMgr->isOperation();
 389   if (!aIsOp)
 390     aMgr->startOperation(QString("Set current feature: %1")
 391     .arg(theFeature->getKind().c_str()).toStdString());
 392   aDoc->setCurrentFeature(theFeature, false);
 393 #ifdef DEBUG_CURRENT_FEATURE
 394   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 395          ModuleBase_Tools::objectName(
 396          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 397 #endif
 398
 399   if (!aIsOp)
 400     aMgr->finishOperation();
 401 }
 402
 403 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 404 {
 405   bool aCanStart = true;
 406   isCommitted = false;
 407   ModuleBase_Operation* aCurrentOp = currentOperation();
 408   if (aCurrentOp) {
 409     bool aGranted = aCurrentOp->isGranted(theId);
 410     // the started operation is granted for the current one,
 411     // e.g. current - Sketch, started - Line
 412     if (aGranted) {
 413       aCanStart = true;
 414     }
 415     else {
 416       if (!isGrantedOperation(theId)) {
 417         // the operation is not granted in the current list of operations
 418         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 419         aCanStart = abortAllOperations();
 420       }
 421       else if (canStopOperation(aCurrentOp)) {
 422         // the started operation is granted in the parrent operation,
 423         // e.g. current - Line in Sketch, started Circle
 424         stopOperation(aCurrentOp, isCommitted);
 425       } else {
 426         aCanStart = false;
 427       }
 428     }
 429   }
 430   return aCanStart;
 431 }
 432
 433 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 434 {
 435   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 436       theOperation->isModified()) {
 437     isCommitted = theOperation->commit();
 438   } else {
 439     isCommitted = false;
 440     abortOperation(theOperation);
 441   }
 442 }
 443
 444 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 445 {
 446   ModuleBase_Operation* aCurrentOperation = currentOperation();
 447   if (theOperation == aCurrentOperation)
 448     theOperation->abort();
 449   else {
 450     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 451     // all operation from the current to triggered should also be aborted
 452     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 453     while(hasOperation()) {
 454       ModuleBase_Operation* aCurrentOperation = currentOperation();
 455       aCurrentOperation->abort();
 456       if(theOperation == aCurrentOperation)
 457         break;
 458     }
 459   }
 460 }
 461
 462 bool XGUI_OperationMgr::commitOperation()
 463 {
 464   bool isCommitted = false;
 465   ModuleBase_Operation* anOperation = currentOperation();
 466   if (anOperation && myWorkshop->module()->canCommitOperation())
 467     isCommitted = anOperation->commit();
 468   return isCommitted;
 469 }
 470
 471 void XGUI_OperationMgr::onAbortOperation()
 472 {
 473   ModuleBase_Operation* aCurrentOperation = currentOperation();
 474   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 475     abortOperation(aCurrentOperation);
 476   }
 477 }
 478
 479 void XGUI_OperationMgr::onAbortAllOperation()
 480 {
 481   abortAllOperations();
 482 }
 483
 484 void XGUI_OperationMgr::onBeforeOperationStarted()
 485 {
 486   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 487   if (!aCurrentOperation)
 488     return;
 489
 490   /// Set current feature and remeber old current feature
 491   ModuleBase_OperationFeature* aFOperation =
 492     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 493   if (aFOperation) {
 494     SessionPtr aMgr = ModelAPI_Session::get();
 495     DocumentPtr aDoc = aMgr->activeDocument();
 496     // the parameter of current feature should be false, we should use all feature, not only
 497     // visible in order to correctly save the previous feature of the nested operation, where the
 498     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 499     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 500     // When sketch entity operation started, the sketch should be cashed here as the current.
 501     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 502     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 503     // As a result the sketch disappears from the viewer.
 504     // However after commit it is displayed back.
 505     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 506
 507 #ifdef DEBUG_CURRENT_FEATURE
 508     FeaturePtr aFeature = aFOperation->feature();
 509     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 510     qDebug("");
 511     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 512             .arg(aFOperation->isEditOperation())
 513             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 514     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 515             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 516 #endif
 517
 518     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 519       // in create operation, the current feature is changed by addFeature()
 520       aDoc->setCurrentFeature(aFOperation->feature(), false);
 521 #ifdef DEBUG_CURRENT_FEATURE
 522       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 523              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 524 #endif
 525       // this is the only place where flushes must be called after setCurrentFeature for the
 526       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 527       // state may be corrupted (issue #1457)
 528       static Events_Loop* aLoop = Events_Loop::loop();
 529       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 530       aLoop->flush(aCreateEvent);
 531       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 532       aLoop->flush(aDeleteEvent);
 533     }
 534   }
 535 }
 536
 537 void XGUI_OperationMgr::onOperationStarted()
 538 {
 539   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 540   updateApplyOfOperations(aSenderOperation);
 541   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 542   aWorkshop->operationStarted(aSenderOperation);
 543 }
 544
 545 void XGUI_OperationMgr::onBeforeOperationAborted()
 546 {
 547   onBeforeOperationCommitted();
 548 }
 549
 550 void XGUI_OperationMgr::onOperationAborted()
 551 {
 552   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 553   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 554   aWorkshop->setStatusBarMessage("");
 555   emit operationAborted(aSenderOperation);
 556 }
 557
 558 void XGUI_OperationMgr::onBeforeOperationCommitted()
 559 {
 560   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 561   if (!aCurrentOperation)
 562     return;
 563
 564   /// Restore the previous current feature
 565   ModuleBase_OperationFeature* aFOperation =
 566     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 567   if (aFOperation) {
 568 #ifdef DEBUG_CURRENT_FEATURE
 569     QString aKind = aFOperation->feature()->getKind().c_str();
 570     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 571             .arg(aFOperation->isEditOperation())
 572             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 573     qDebug(QString("   document->currentFeature(false) = %1").arg(
 574             ModuleBase_Tools::objectName(
 575             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 576             .toStdString().c_str());
 577 #endif
 578
 579     if (aFOperation->isEditOperation()) {
 580       /// Restore the previous current feature
 581       setCurrentFeature(aFOperation->previousCurrentFeature());
 582     }
 583     else { // create operation
 584       // the Top created feature should stays the current. In nested operations,
 585       // like Line in the Sketch or
 586       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 587       // It is performed here
 588       // in order to perform it in the current transaction without opening a new one.
 589       if (myOperations.front() != aFOperation)
 590         setCurrentFeature(aFOperation->previousCurrentFeature());
 591     }
 592     ModuleBase_IModule* aModule = myWorkshop->module();
 593     if (aModule)
 594       aModule->beforeOperationStopped(aFOperation);
 595   }
 596 }
 597
 598 void XGUI_OperationMgr::onOperationCommitted()
 599 {
 600   // apply state for all features from the stack of operations should be updated
 601   updateApplyOfOperations();
 602
 603   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 604   emit operationCommitted(aSenderOperation);
 605 }
 606
 607 void XGUI_OperationMgr::onOperationResumed()
 608 {
 609   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 610   emit operationResumed(aSenderOperation);
 611 }
 612
 613 void XGUI_OperationMgr::onOperationStopped()
 614 {
 615   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 616   ModuleBase_Operation* aCurrentOperation = currentOperation();
 617   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 618     return;
 619
 620   myOperations.removeAll(aCurrentOperation);
 621   aCurrentOperation->deleteLater();
 622
 623   emit operationStopped(aCurrentOperation);
 624
 625   // get last operation which can be resumed
 626   ModuleBase_Operation* aResultOp = 0;
 627   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 628   anIt.toBack();
 629   while (anIt.hasPrevious()) {
 630     ModuleBase_Operation* anOp = anIt.previous();
 631     if (anOp) {
 632       aResultOp = anOp;
 633       break;
 634     }
 635   }
 636   if (aResultOp) {
 637     bool isModified = aCurrentOperation->isModified();
 638     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 639     resumeOperation(aResultOp);
 640     onValidateOperation();
 641   }
 642 }
 643
 644 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 645 {
 646   bool isAccepted = false;
 647
 648   // Let the manager decide what to do with the given key combination.
 649   ModuleBase_Operation* anOperation = currentOperation();
 650   switch (theEvent->key()) {
 651     case Qt::Key_Tab:
 652     case Qt::Key_Backtab:
 653     {
 654       ModuleBase_Operation* aOperation = currentOperation();
 655       if (aOperation) {
 656         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 657         if (aPanel) {
 658           QWidget* aFocusedWidget = qApp->focusWidget();
 659           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 660           if (!isPPChildObject) {
 661             // check for case when the operation is started but property panel is not filled
 662             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 663             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 664             isAccepted = true;
 665           }
 666         }
 667       }
 668     }
 669     break;
 670     case Qt::Key_Return:
 671     case Qt::Key_Enter: {
 672       isAccepted = onProcessEnter(theObject);
 673     }
 674     break;
 675     case Qt::Key_N:
 676     case Qt::Key_P: {
 677       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 678       if (noModifiers) {
 679         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 680         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 681         if (!aContext.IsNull()) {
 682           Handle(V3d_View) aView = aViewer->activeView();
 683           if ((theEvent->key() == Qt::Key_N))
 684             aContext->HilightNextDetected(aView);
 685           else if ((theEvent->key() == Qt::Key_P))
 686             aContext->HilightPreviousDetected(aView);
 687           aViewer->updateHighlight();
 688           isAccepted = true;
 689         }
 690       }
 691     }
 692     break;
 693     break;
 694     default:
 695       isAccepted = false;
 696       break;
 697   }
 698   //if(anOperation) {
 699   //  anOperation->keyReleased(theEvent->key());
 700   //}
 701   return isAccepted;
 702 }
 703
 704 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 705 {
 706   // Let the manager decide what to do with the given key combination.
 707   ModuleBase_Operation* anOperation = currentOperation();
 708   bool isAccepted = false;
 709   switch (theEvent->key()) {
 710     case Qt::Key_Escape: {
 711       // processing in message box
 712       if (myActiveMessageBox)
 713       {
 714         myActiveMessageBox->reject();
 715         isAccepted = true;
 716       }
 717       // processing in the active widget
 718       ModuleBase_Operation* aOperation = currentOperation();
 719       if (!isAccepted && aOperation) {
 720         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 721         ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 722         if (anActiveWgt)
 723         {
 724           isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 725           if (isAccepted) {
 726             ModuleBase_OperationFeature* aFOperation =
 727               dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 728             if (aFOperation)
 729               aFOperation->setNeedToBeAborted(true);
 730           }
 731         }
 732       }
 733       if (!isAccepted)
 734       {
 735         XGUI_ActiveControlSelector* anActiveSelector =
 736           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 737         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 738           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 739       }
 740       // default Escape button functionality
 741       if (!isAccepted && aOperation) {
 742         onAbortOperation();
 743         isAccepted = true;
 744       }
 745     }
 746     break;
 747   }
 748   return isAccepted;
 749 }
 750
 751 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 752 {
 753   bool isAccepted = false;
 754   ModuleBase_Operation* aOperation = currentOperation();
 755   // to avoid enter processing when operation has not been started yet
 756   if (!aOperation)
 757     return isAccepted;
 758   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 759   if (!aPanel)
 760     return isAccepted;
 761   // the next code is obsolete as we want to process Enter in property panel always
 762   // only property panel enter is processed in order to do not process enter in application dialogs
 763   //bool isPPChild = isChildObject(theObject, aPanel);
 764   //if (!isPPChild)
 765   //  return isAccepted;
 766
 767   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 768   bool isAborted = false;
 769   if (!anActiveWgt) {
 770     QWidget* aFocusWidget = aPanel->focusWidget();
 771     QToolButton* aCancelBtn =
 772       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 773     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 774       abortOperation(aOperation);
 775       isAccepted = true;
 776       isAborted = true;
 777     }
 778   }
 779   if (!isAborted) {
 780     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 781     if (!isAccepted) {
 782       isAccepted =
 783         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 784       if (!isAccepted) {
 785         /// functionality is similar to Apply click
 786         ModuleBase_OperationFeature* aFOperation =
 787           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 788         if (!aFOperation ||
 789             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 790           // key released is emitted to apply the current value to the model
 791           // if it was modified in PP
 792           emit keyEnterReleased();
 793           commitOperation();
 794           isAccepted = true;
 795         }
 796         else
 797           isAccepted = false;
 798       }
 799     }
 800   }
 801   return isAccepted;
 802 }
 803
 804 bool editorControl(QObject* theObject)
 805 {
 806   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 807   return aLineEdit;
 808 }
 809
 810 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 811 {
 812   bool isAccepted = false;
 813   ModuleBase_Operation* aOperation = currentOperation();
 814   ModuleBase_ModelWidget* anActiveWgt = 0;
 815   // firstly the widget should process Delete action
 816   ModuleBase_IPropertyPanel* aPanel;
 817   bool isPPChildObject = false;
 818   if (aOperation) {
 819     aPanel = aOperation->propertyPanel();
 820     if (aPanel) {
 821       isPPChildObject = isChildObject(theObject, aPanel);
 822       // process delete in active widget only if delete sender is child of property panel
 823       // it is necessary for the case when OB is shown, user perform selection and click Delete
 824       if (isPPChildObject) {
 825         anActiveWgt = aPanel->activeWidget();
 826         if (anActiveWgt) {
 827           isAccepted = anActiveWgt->processAction(ActionDelete);
 828         }
 829       }
 830     }
 831   }
 832   if (!isAccepted)
 833   {
 834     XGUI_ActiveControlSelector* anActiveSelector =
 835       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 836     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 837       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 838   }
 839   if (!isAccepted) {
 840     // after widget, object browser and viewer should process delete
 841     /// other widgets such as line edit controls should not lead to
 842     /// processing delete by workshop
 843     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 844     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 845     bool isToDeleteObject = false;
 846     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 847     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 848     if (theObject == aBrowser->treeView()) {
 849       aContextMenuMgr->updateObjectBrowserMenu();
 850       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 851     }
 852     else if (isChildObject(theObject, aViewPort)) {
 853       aContextMenuMgr->updateViewerMenu();
 854       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 855     }
 856     else if (isPPChildObject) {
 857       // property panel child object is processed to process delete performed on Apply button of PP
 858       isToDeleteObject = true;
 859     }
 860     else if (editorControl(theObject)) {
 861       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 862       isAccepted = true;
 863     }
 864
 865     if (isToDeleteObject) {
 866       aWorkshop->deleteObjects();
 867       isAccepted = true;
 868     }
 869   }
 870
 871   return isAccepted;
 872 }
 873
 874 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 875 {
 876   bool isPPChild = false;
 877   if (theParent && theObject) {
 878     QObject* aParent = (QObject*)theObject;
 879     while (aParent ) {
 880       isPPChild = aParent == theParent;
 881       if (isPPChild)
 882         break;
 883       aParent = aParent->parent();
 884     }
 885   }
 886   return isPPChild;
 887 }
 888
 889 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 890 {
 891   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 892     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 893     qApp->activeWindow());
 894   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 895   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 896
 897   return aMessageBox;
 898 }
 899
 900 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 901 {
 902   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 903     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 904     qApp->activeWindow());
 905   aMessageBox->setDefaultButton(QMessageBox::Ok);
 906   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 907
 908   return aMessageBox;
 909 }