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