src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-2020  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 #include <QWindow>
  56
  57 //#define DEBUG_CURRENT_FEATURE
  58
  59 /// Processes "Delete" key event of application. This key is used by several application actions.
  60 /// There is a logical order of the actions processing. So the key can not be set for actions
  61 /// as a shortcut. The class listens the key event and call operation manager processor.
  62 class XGUI_ShortCutListener : public QObject
  63 {
  64 public:
  65   /// Constructor
  66   /// \param theParent the parent to be deleted when the parent is deleted
  67   /// \param theOperationMgr the class to perform deletion
  68   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  69     : QObject(theParent), myOperationMgr(theOperationMgr), myIsActive(false)
  70   {
  71     qApp->installEventFilter(this);
  72   }
  73   ~XGUI_ShortCutListener() {}
  74
  75   /// Switch on short cut listener
  76   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  77
  78   /// Redefinition of virtual function to process Delete key release
  79   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  80   {
  81     bool isAccepted = false;
  82
  83     if (myIsActive) {
  84       // Do not process keys for modal dialogues: all keys has to be processed within the dialog
  85       // There is only one exception: ModuleBase_EditorDialog
  86       QWindow* aWnd = qApp->modalWindow();
  87       QString aName = "NoModal";
  88       if (aWnd) {
  89         if (!aWnd->objectName().startsWith("ModuleBase_EditorDialog"))
  90           aName = aWnd->objectName();
  91       }
  92       if (aName == "NoModal") {
  93         if (theEvent->type() == QEvent::KeyRelease) {
  94           QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  95           if (aKeyEvent) {
  96             myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  97             switch (aKeyEvent->key()) {
  98             case Qt::Key_Delete:
  99               isAccepted = myOperationMgr->onProcessDelete(theObject);
 100               break;
 101             default:
 102               isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
 103               break;
 104             }
 105           }
 106         }
 107         else if (theEvent->type() == QEvent::KeyPress) {
 108           if (myOperationMgr->hasOperation()) {
 109             QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 110             myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 111             isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 112           }
 113         }
 114       }
 115     }
 116     if (!isAccepted)
 117       isAccepted = QObject::eventFilter(theObject, theEvent);
 118     return isAccepted;
 119   }
 120
 121 private:
 122   XGUI_OperationMgr* myOperationMgr; /// processor for key event
 123   bool myIsActive; /// boolean state whether the event filter perform own signal processing
 124 };
 125
 126 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 127                                      ModuleBase_IWorkshop* theWorkshop)
 128 : QObject(theParent), myWorkshop(theWorkshop), myActiveMessageBox(0), mySHIFTPressed(false)
 129 {
 130   /// we need to install filter to the application in order to react to 'Delete' key button
 131   /// this key can not be a short cut for a corresponded action because we need to set
 132   /// the actions priority
 133   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
 134 }
 135
 136 XGUI_OperationMgr::~XGUI_OperationMgr()
 137 {
 138 }
 139
 140 void XGUI_OperationMgr::activate()
 141 {
 142   myShortCutListener->setActive(true);
 143 }
 144
 145 void XGUI_OperationMgr::deactivate()
 146 {
 147   myShortCutListener->setActive(false);
 148 }
 149
 150 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 151 {
 152   return myOperations.count() > 0 ? myOperations.last() : 0;
 153 }
 154
 155 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 156 {
 157   if(!hasOperation())
 158     return false;
 159   return currentOperation() == theOperation;
 160 }
 161
 162 bool XGUI_OperationMgr::hasOperation() const
 163 {
 164   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 165 }
 166
 167 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 168 {
 169   foreach(ModuleBase_Operation* aOp, myOperations) {
 170     if (aOp->id() == theId)
 171       return true;
 172   }
 173   return false;
 174 }
 175
 176 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 177 {
 178   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 179   while (anIt != myOperations.begin()) {
 180     --anIt;
 181     ModuleBase_Operation* anOperation = *anIt;
 182     if (anOperation->id() == theId)
 183       return anOperation;
 184   }
 185   return 0;
 186 }
 187
 188
 189 int XGUI_OperationMgr::operationsCount() const
 190 {
 191   return myOperations.count();
 192 }
 193
 194 QStringList XGUI_OperationMgr::operationList() const
 195 {
 196   QStringList result;
 197   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 198     ModuleBase_OperationFeature* aFOperation =
 199       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 200     if (aFOperation) {
 201       FeaturePtr aFeature = aFOperation->feature();
 202       if(aFeature) {
 203         result << QString::fromStdString(aFeature->getKind());
 204       }
 205     }
 206   }
 207   return result;
 208 }
 209
 210 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 211 {
 212   int idx = myOperations.lastIndexOf(theOperation);
 213   if(idx == -1 || idx == 0) {
 214     return NULL;
 215   }
 216   return myOperations.at(idx - 1);
 217 }
 218
 219 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 220 {
 221   ModuleBase_ModelWidget* anActiveWidget = 0;
 222   ModuleBase_Operation* anOperation = currentOperation();
 223   if (anOperation) {
 224     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 225     if (aPanel)
 226       anActiveWidget = aPanel->activeWidget();
 227   }
 228   return anActiveWidget;
 229 }
 230
 231 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 232 {
 233   if (hasOperation())
 234     currentOperation()->postpone();
 235   myOperations.append(theOperation);
 236
 237   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 238   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 239   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 240
 241   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 242   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 243   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 244
 245   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 246   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 247
 248   bool isStarted = theOperation->start();
 249   if (isStarted)
 250     onValidateOperation();
 251   return isStarted;
 252 }
 253
 254 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 255 {
 256   bool aResult = true;
 257   if(!hasOperation())
 258     return aResult;
 259
 260   if (operationsCount() == 1) {
 261     ModuleBase_Operation* aCurrentOperation = currentOperation();
 262     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 263       abortOperation(aCurrentOperation);
 264     }
 265     else
 266       aResult = false;
 267   }
 268   else {
 269     if (theMessageKind == XGUI_AbortOperationMessage) {
 270       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 271       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 272       myActiveMessageBox = 0;
 273     }
 274     else if (theMessageKind == XGUI_InformationMessage) {
 275       QString aMessage = tr("Please validate all your active operations before saving.");
 276       myActiveMessageBox = createInformationBox(aMessage);
 277       myActiveMessageBox->exec();
 278       myActiveMessageBox = 0;
 279       aResult = false; // do not perform abort
 280     }
 281     while(aResult && hasOperation()) {
 282       abortOperation(currentOperation());
 283     }
 284   }
 285   return aResult;
 286 }
 287
 288 bool XGUI_OperationMgr::commitAllOperations()
 289 {
 290   bool isCompositeCommitted = false, anOperationProcessed = false;
 291   while (hasOperation()) {
 292     ModuleBase_Operation* anOperation = currentOperation();
 293     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 294       anOperationProcessed = commitOperation();
 295     } else {
 296       abortOperation(anOperation);
 297       anOperationProcessed = true;
 298     }
 299     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 300                                                                             (anOperation);
 301     if (aFOperation) {
 302       FeaturePtr aFeature = aFOperation->feature();
 303       CompositeFeaturePtr aComposite =
 304           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 305       isCompositeCommitted = aComposite.get();
 306       if (isCompositeCommitted)
 307         break;
 308     }
 309     // not processed[committed] operation might be used in composite feature,
 310     // so the while will be stopped by the previous check.
 311     // this code is not necessary, but logically should be done when the processing will not
 312     // be done for not composite feature by some reasons
 313     if (!anOperationProcessed)
 314       break;
 315   }
 316   return true;
 317 }
 318
 319 void XGUI_OperationMgr::onValidateOperation()
 320 {
 321   if (!hasOperation())
 322     return;
 323   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 324                                                                           (currentOperation());
 325   if(aFOperation && aFOperation->feature().get())
 326     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 327 }
 328
 329 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 330 {
 331   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 332   if (theOperation) {
 333     ModuleBase_OperationFeature* aFOperation =
 334       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 335     if (aFOperation)
 336       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 337   }
 338   else {
 339     foreach(ModuleBase_Operation* anOperation, myOperations) {
 340       if (anOperation)
 341         updateApplyOfOperations(anOperation);
 342     }
 343   }
 344   // Apply button of the current operation should also be updated
 345   onValidateOperation();
 346 }
 347
 348 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 349                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 350 {
 351   //in case of nested (sketch) operation no confirmation needed
 352   if (isGrantedOperation(theOperation->id()))
 353     return true;
 354   if (theOperation && theOperation->isModified()) {
 355     ModuleBase_OperationFeature* aOp = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 356     std::string aContext;
 357     if (aOp)
 358       aContext = aOp->feature()->getKind();
 359     QString aTitle = Config_Translator::translate(aContext,
 360       theOperation->getDescription()->description().toStdString()).c_str();
 361
 362     if (theMessageKind == XGUI_AbortOperationMessage) {
 363       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 364       myActiveMessageBox = createMessageBox(aMessage);
 365       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 366       myActiveMessageBox = 0;
 367       return aResult;
 368     }
 369     else if (theMessageKind == XGUI_InformationMessage) {
 370       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 371       myActiveMessageBox = createInformationBox(aMessage);
 372       myActiveMessageBox->exec();
 373       myActiveMessageBox = 0;
 374       return false;
 375     }
 376   }
 377   return true;
 378 }
 379
 380 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 381 {
 382   theOperation->resume();
 383 }
 384
 385 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 386 {
 387   bool isGranted = false;
 388
 389   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 390   anIt.toBack();
 391   while (anIt.hasPrevious() && !isGranted) {
 392     ModuleBase_Operation* anOp = anIt.previous();
 393     if (anOp)
 394       isGranted = anOp->isGranted(theId);
 395   }
 396   return isGranted;
 397 }
 398
 399 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 400 {
 401   SessionPtr aMgr = ModelAPI_Session::get();
 402   DocumentPtr aDoc = aMgr->activeDocument();
 403   bool aIsOp = aMgr->isOperation();
 404   if (!aIsOp)
 405     aMgr->startOperation(QString("Set current feature: %1")
 406     .arg(theFeature->getKind().c_str()).toStdString());
 407   aDoc->setCurrentFeature(theFeature, false);
 408 #ifdef DEBUG_CURRENT_FEATURE
 409   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 410          ModuleBase_Tools::objectName(
 411          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 412 #endif
 413
 414   if (!aIsOp)
 415     aMgr->finishOperation();
 416 }
 417
 418 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 419 {
 420   bool aCanStart = true;
 421   isCommitted = false;
 422   ModuleBase_Operation* aCurrentOp = currentOperation();
 423   if (aCurrentOp) {
 424     bool aGranted = aCurrentOp->isGranted(theId);
 425     // the started operation is granted for the current one,
 426     // e.g. current - Sketch, started - Line
 427     if (aGranted) {
 428       aCanStart = true;
 429     }
 430     else {
 431       if (!isGrantedOperation(theId)) {
 432         // the operation is not granted in the current list of operations
 433         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 434         aCanStart = abortAllOperations();
 435       }
 436       else if (canStopOperation(aCurrentOp)) {
 437         // the started operation is granted in the parrent operation,
 438         // e.g. current - Line in Sketch, started Circle
 439         stopOperation(aCurrentOp, isCommitted);
 440       } else {
 441         aCanStart = false;
 442       }
 443     }
 444   }
 445   return aCanStart;
 446 }
 447
 448 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 449 {
 450   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 451       theOperation->isModified()) {
 452     isCommitted = theOperation->commit();
 453   } else {
 454     isCommitted = false;
 455     abortOperation(theOperation);
 456   }
 457 }
 458
 459 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 460 {
 461   ModuleBase_Operation* aCurrentOperation = currentOperation();
 462   if (theOperation && (theOperation == aCurrentOperation))
 463     theOperation->abort();
 464   else {
 465     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 466     // all operation from the current to triggered should also be aborted
 467     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 468     while(hasOperation()) {
 469       ModuleBase_Operation* aCurrentOperation = currentOperation();
 470       aCurrentOperation->abort();
 471       if(theOperation == aCurrentOperation)
 472         break;
 473     }
 474   }
 475 }
 476
 477 bool XGUI_OperationMgr::commitOperation()
 478 {
 479   bool isCommitted = false;
 480   ModuleBase_Operation* anOperation = currentOperation();
 481   if (anOperation && myWorkshop->module()->canCommitOperation())
 482     isCommitted = anOperation->commit();
 483   return isCommitted;
 484 }
 485
 486 void XGUI_OperationMgr::onAbortOperation()
 487 {
 488   ModuleBase_Operation* aCurrentOperation = currentOperation();
 489   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 490     abortOperation(aCurrentOperation);
 491   }
 492 }
 493
 494 void XGUI_OperationMgr::onAbortAllOperation()
 495 {
 496   abortAllOperations();
 497 }
 498
 499 void XGUI_OperationMgr::onBeforeOperationStarted()
 500 {
 501   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 502   if (!aCurrentOperation)
 503     return;
 504
 505   /// Set current feature and remeber old current feature
 506   ModuleBase_OperationFeature* aFOperation =
 507     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 508   if (aFOperation) {
 509     SessionPtr aMgr = ModelAPI_Session::get();
 510     DocumentPtr aDoc = aMgr->activeDocument();
 511     // the parameter of current feature should be false, we should use all feature, not only
 512     // visible in order to correctly save the previous feature of the nested operation, where the
 513     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 514     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 515     // When sketch entity operation started, the sketch should be cashed here as the current.
 516     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 517     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 518     // As a result the sketch disappears from the viewer.
 519     // However after commit it is displayed back.
 520     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 521
 522 #ifdef DEBUG_CURRENT_FEATURE
 523     FeaturePtr aFeature = aFOperation->feature();
 524     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 525     qDebug("");
 526     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 527             .arg(aFOperation->isEditOperation())
 528             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 529     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 530             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 531 #endif
 532
 533     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 534       // in create operation, the current feature is changed by addFeature()
 535       aDoc->setCurrentFeature(aFOperation->feature(), false);
 536 #ifdef DEBUG_CURRENT_FEATURE
 537       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 538              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 539 #endif
 540       // this is the only place where flushes must be called after setCurrentFeature for the
 541       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 542       // state may be corrupted (issue #1457)
 543       static Events_Loop* aLoop = Events_Loop::loop();
 544       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 545       aLoop->flush(aCreateEvent);
 546       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 547       aLoop->flush(aDeleteEvent);
 548     }
 549   }
 550 }
 551
 552 void XGUI_OperationMgr::onOperationStarted()
 553 {
 554   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 555   updateApplyOfOperations(aSenderOperation);
 556   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 557   aWorkshop->operationStarted(aSenderOperation);
 558 }
 559
 560 void XGUI_OperationMgr::onBeforeOperationAborted()
 561 {
 562   onBeforeOperationCommitted();
 563 }
 564
 565 void XGUI_OperationMgr::onOperationAborted()
 566 {
 567   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 568   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 569   aWorkshop->setStatusBarMessage("");
 570   emit operationAborted(aSenderOperation);
 571 }
 572
 573 void XGUI_OperationMgr::onBeforeOperationCommitted()
 574 {
 575   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 576   if (!aCurrentOperation)
 577     return;
 578
 579   /// Restore the previous current feature
 580   ModuleBase_OperationFeature* aFOperation =
 581     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 582   if (aFOperation) {
 583 #ifdef DEBUG_CURRENT_FEATURE
 584     QString aKind = aFOperation->feature()->getKind().c_str();
 585     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 586             .arg(aFOperation->isEditOperation())
 587             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 588     qDebug(QString("   document->currentFeature(false) = %1").arg(
 589             ModuleBase_Tools::objectName(
 590             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 591             .toStdString().c_str());
 592 #endif
 593
 594     if (aFOperation->isEditOperation()) {
 595       /// Restore the previous current feature
 596       setCurrentFeature(aFOperation->previousCurrentFeature());
 597     }
 598     else { // create operation
 599       // the Top created feature should stays the current. In nested operations,
 600       // like Line in the Sketch or
 601       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 602       // It is performed here
 603       // in order to perform it in the current transaction without opening a new one.
 604       if (myOperations.front() != aFOperation)
 605         setCurrentFeature(aFOperation->previousCurrentFeature());
 606     }
 607     ModuleBase_IModule* aModule = myWorkshop->module();
 608     if (aModule)
 609       aModule->beforeOperationStopped(aFOperation);
 610   }
 611 }
 612
 613 void XGUI_OperationMgr::onOperationCommitted()
 614 {
 615   // apply state for all features from the stack of operations should be updated
 616   updateApplyOfOperations();
 617
 618   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 619   emit operationCommitted(aSenderOperation);
 620 }
 621
 622 void XGUI_OperationMgr::onOperationResumed()
 623 {
 624   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 625   emit operationResumed(aSenderOperation);
 626 }
 627
 628 void XGUI_OperationMgr::onOperationStopped()
 629 {
 630   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 631   ModuleBase_Operation* aCurrentOperation = currentOperation();
 632   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 633     return;
 634
 635   myOperations.removeAll(aCurrentOperation);
 636   aCurrentOperation->deleteLater();
 637
 638   emit operationStopped(aCurrentOperation);
 639
 640   // get last operation which can be resumed
 641   ModuleBase_Operation* aResultOp = 0;
 642   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 643   anIt.toBack();
 644   while (anIt.hasPrevious()) {
 645     ModuleBase_Operation* anOp = anIt.previous();
 646     if (anOp) {
 647       aResultOp = anOp;
 648       break;
 649     }
 650   }
 651   if (aResultOp) {
 652     //bool isModified = aCurrentOperation->isModified();
 653     //aResultOp->setIsModified(aResultOp->isModified() || isModified);
 654     resumeOperation(aResultOp);
 655     onValidateOperation();
 656   }
 657 }
 658
 659 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 660 {
 661   bool isAccepted = false;
 662
 663   // Let the manager decide what to do with the given key combination.
 664   ModuleBase_Operation* anOperation = currentOperation();
 665   switch (theEvent->key()) {
 666     case Qt::Key_Tab:
 667     case Qt::Key_Backtab:
 668     {
 669       ModuleBase_Operation* aOperation = currentOperation();
 670       if (aOperation) {
 671         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 672         if (aPanel) {
 673           QWidget* aFocusedWidget = qApp->focusWidget();
 674           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 675           if (!isPPChildObject) {
 676             // check for case when the operation is started but property panel is not filled
 677             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 678             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 679             isAccepted = true;
 680           }
 681         }
 682       }
 683     }
 684     break;
 685     case Qt::Key_Return:
 686     case Qt::Key_Enter: {
 687       isAccepted = onProcessEnter(theObject);
 688     }
 689     break;
 690     case Qt::Key_N:
 691     case Qt::Key_P: {
 692       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 693       if (noModifiers) {
 694         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 695         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 696         if (!aContext.IsNull()) {
 697           Handle(V3d_View) aView = aViewer->activeView();
 698           if ((theEvent->key() == Qt::Key_N))
 699             aContext->HilightNextDetected(aView);
 700           else if ((theEvent->key() == Qt::Key_P))
 701             aContext->HilightPreviousDetected(aView);
 702           aViewer->updateHighlight();
 703           isAccepted = true;
 704         }
 705       }
 706       }
 707       break;
 708    case Qt::Key_H:
 709      if ((theEvent->modifiers() == Qt::NoModifier))
 710       myWorkshop->viewer()->hideSelectionHighlight();
 711      break;
 712    default:
 713       isAccepted = false;
 714       break;
 715   }
 716   //if(anOperation) {
 717   //  anOperation->keyReleased(theEvent->key());
 718   //}
 719   return isAccepted;
 720 }
 721
 722 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 723 {
 724   // Let the manager decide what to do with the given key combination.
 725   bool isAccepted = false;
 726   switch (theEvent->key()) {
 727     case Qt::Key_Escape: {
 728       // processing in message box
 729       if (myActiveMessageBox)
 730       {
 731         myActiveMessageBox->reject();
 732         isAccepted = true;
 733       }
 734       // processing in the active widget
 735       ModuleBase_Operation* aOperation = currentOperation();
 736       if (!isAccepted && aOperation) {
 737         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 738         if (aPanel) {
 739           ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 740           if (anActiveWgt)
 741           {
 742             isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 743             if (isAccepted) {
 744               ModuleBase_OperationFeature* aFOperation =
 745                 dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 746               if (aFOperation)
 747                 aFOperation->setNeedToBeAborted(true);
 748             }
 749           }
 750         }
 751       }
 752       if (!isAccepted)
 753       {
 754         XGUI_ActiveControlSelector* anActiveSelector =
 755           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 756         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 757           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 758       }
 759       // default Escape button functionality
 760       if (!isAccepted && aOperation) {
 761         onAbortOperation();
 762         isAccepted = true;
 763       }
 764     }
 765     break;
 766     case Qt::Key_H:
 767       if ((theEvent->modifiers() == Qt::NoModifier))
 768         myWorkshop->viewer()->showSelectionHighlight();
 769       break;
 770   }
 771   return isAccepted;
 772 }
 773
 774 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 775 {
 776   bool isAccepted = false;
 777   ModuleBase_Operation* aOperation = currentOperation();
 778   // to avoid enter processing when operation has not been started yet
 779   if (!aOperation)
 780     return isAccepted;
 781   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 782   if (!aPanel)
 783     return isAccepted;
 784   // the next code is obsolete as we want to process Enter in property panel always
 785   // only property panel enter is processed in order to do not process enter in application dialogs
 786   //bool isPPChild = isChildObject(theObject, aPanel);
 787   //if (!isPPChild)
 788   //  return isAccepted;
 789
 790   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 791   bool isAborted = false;
 792   if (!anActiveWgt) {
 793     QWidget* aFocusWidget = aPanel->focusWidget();
 794     QToolButton* aCancelBtn =
 795       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 796     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 797       abortOperation(aOperation);
 798       isAccepted = true;
 799       isAborted = true;
 800     }
 801   }
 802   if (!isAborted) {
 803     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 804     if (!isAccepted) {
 805       isAccepted =
 806         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 807       if (!isAccepted) {
 808         /// functionality is similar to Apply click
 809         ModuleBase_OperationFeature* aFOperation =
 810           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 811         if (!aFOperation ||
 812             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 813           // key released is emitted to apply the current value to the model
 814           // if it was modified in PP
 815           emit keyEnterReleased();
 816           commitOperation();
 817           isAccepted = true;
 818         }
 819         else
 820           isAccepted = false;
 821       }
 822     }
 823   }
 824   return isAccepted;
 825 }
 826
 827 bool editorControl(QObject* theObject)
 828 {
 829   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 830   return aLineEdit;
 831 }
 832
 833 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 834 {
 835   bool isAccepted = false;
 836   ModuleBase_Operation* aOperation = currentOperation();
 837   ModuleBase_ModelWidget* anActiveWgt = 0;
 838   // firstly the widget should process Delete action
 839   ModuleBase_IPropertyPanel* aPanel;
 840   bool isPPChildObject = false;
 841   if (aOperation) {
 842     aPanel = aOperation->propertyPanel();
 843     if (aPanel) {
 844       isPPChildObject = isChildObject(theObject, aPanel);
 845       // process delete in active widget only if delete sender is child of property panel
 846       // it is necessary for the case when OB is shown, user perform selection and click Delete
 847       if (isPPChildObject) {
 848         anActiveWgt = aPanel->activeWidget();
 849         if (anActiveWgt) {
 850           isAccepted = anActiveWgt->processAction(ActionDelete);
 851         }
 852       }
 853     }
 854   }
 855   if (!isAccepted)
 856   {
 857     XGUI_ActiveControlSelector* anActiveSelector =
 858       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 859     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 860       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 861   }
 862   if (!isAccepted) {
 863     // after widget, object browser and viewer should process delete
 864     /// other widgets such as line edit controls should not lead to
 865     /// processing delete by workshop
 866     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 867     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 868     bool isToDeleteObject = false;
 869     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 870     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 871     if (theObject == aBrowser->treeView()) {
 872       aContextMenuMgr->updateObjectBrowserMenu();
 873       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 874     }
 875     else if (isChildObject(theObject, aViewPort)) {
 876       aContextMenuMgr->updateViewerMenu();
 877       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 878     }
 879     else if (isPPChildObject) {
 880       // property panel child object is processed to process delete performed on Apply button of PP
 881       isToDeleteObject = true;
 882     }
 883     else if (editorControl(theObject)) {
 884       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 885       isAccepted = true;
 886     }
 887
 888     if (isToDeleteObject) {
 889       aWorkshop->deleteObjects();
 890       isAccepted = true;
 891     }
 892   }
 893
 894   return isAccepted;
 895 }
 896
 897 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 898 {
 899   bool isPPChild = false;
 900   if (theParent && theObject) {
 901     QObject* aParent = (QObject*)theObject;
 902     while (aParent ) {
 903       isPPChild = aParent == theParent;
 904       if (isPPChild)
 905         break;
 906       aParent = aParent->parent();
 907     }
 908   }
 909   return isPPChild;
 910 }
 911
 912 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 913 {
 914   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 915     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 916     qApp->activeWindow());
 917   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 918   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 919
 920   return aMessageBox;
 921 }
 922
 923 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 924 {
 925   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 926     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 927     qApp->activeWindow());
 928   aMessageBox->setDefaultButton(QMessageBox::Ok);
 929   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 930
 931   return aMessageBox;
 932 }