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 #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(XGUI_OperationMgr* theOperationMgr)
  69     : QObject(theOperationMgr), 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 private:
  82   XGUI_OperationMgr* myOperationMgr; /// processor for key event
  83   bool myIsActive; /// boolean state whether the event filter perform own signal processing
  84 };
  85
  86 bool XGUI_ShortCutListener::eventFilter(QObject *theObject, QEvent *theEvent)
  87 {
  88   bool isAccepted = false;
  89
  90   if (myIsActive) {
  91     // Do not process keys for modal dialogues: all keys has to be processed within the dialog
  92     // There is only one exception: ModuleBase_EditorDialog
  93     QWindow* aWnd = qApp->modalWindow();
  94     QString aName = "NoModal";
  95     if (aWnd) {
  96       if (!aWnd->objectName().startsWith("ModuleBase_EditorDialog"))
  97         aName = aWnd->objectName();
  98     }
  99     if (aName == "NoModal") {
 100       if (theEvent->type() == QEvent::KeyRelease) {
 101         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 102         if (aKeyEvent) {
 103           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 104           switch (aKeyEvent->key()) {
 105           case Qt::Key_Delete:
 106             isAccepted = myOperationMgr->onProcessDelete(theObject);
 107             break;
 108           case Qt::Key_F2:
 109             myOperationMgr->xworkshop()->objectBrowser()->onEditItem();
 110             isAccepted = true;
 111             break;
 112           default:
 113             isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
 114             break;
 115           }
 116         }
 117       }
 118       else if (theEvent->type() == QEvent::KeyPress) {
 119         if (myOperationMgr->hasOperation()) {
 120           QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 121           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
 122           isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 123         }
 124       }
 125     }
 126   }
 127   if (!isAccepted)
 128     isAccepted = QObject::eventFilter(theObject, theEvent);
 129   return isAccepted;
 130 }
 131
 132
 133
 134 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 135   ModuleBase_IWorkshop* theWorkshop)
 136 : QObject(theParent), myWorkshop(theWorkshop), mySHIFTPressed(false), myActiveMessageBox(0)
 137 {
 138   /// we need to install filter to the application in order to react to 'Delete' key button
 139   /// this key can not be a short cut for a corresponded action because we need to set
 140   /// the actions priority
 141   myShortCutListener = new XGUI_ShortCutListener(this);
 142 }
 143
 144 XGUI_OperationMgr::~XGUI_OperationMgr()
 145 {
 146 }
 147
 148 void XGUI_OperationMgr::activate()
 149 {
 150   myShortCutListener->setActive(true);
 151 }
 152
 153 void XGUI_OperationMgr::deactivate()
 154 {
 155   myShortCutListener->setActive(false);
 156 }
 157
 158 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 159 {
 160   return myOperations.count() > 0 ? myOperations.last() : 0;
 161 }
 162
 163 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 164 {
 165   if(!hasOperation())
 166     return false;
 167   return currentOperation() == theOperation;
 168 }
 169
 170 bool XGUI_OperationMgr::hasOperation() const
 171 {
 172   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 173 }
 174
 175 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 176 {
 177   foreach(ModuleBase_Operation* aOp, myOperations) {
 178     if (aOp->id() == theId)
 179       return true;
 180   }
 181   return false;
 182 }
 183
 184 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 185 {
 186   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 187   while (anIt != myOperations.begin()) {
 188     --anIt;
 189     ModuleBase_Operation* anOperation = *anIt;
 190     if (anOperation->id() == theId)
 191       return anOperation;
 192   }
 193   return 0;
 194 }
 195
 196
 197 int XGUI_OperationMgr::operationsCount() const
 198 {
 199   return myOperations.count();
 200 }
 201
 202 QStringList XGUI_OperationMgr::operationList() const
 203 {
 204   QStringList result;
 205   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 206     ModuleBase_OperationFeature* aFOperation =
 207       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 208     if (aFOperation) {
 209       FeaturePtr aFeature = aFOperation->feature();
 210       if(aFeature) {
 211         result << QString::fromStdString(aFeature->getKind());
 212       }
 213     }
 214   }
 215   return result;
 216 }
 217
 218 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 219 {
 220   int idx = myOperations.lastIndexOf(theOperation);
 221   if(idx == -1 || idx == 0) {
 222     return NULL;
 223   }
 224   return myOperations.at(idx - 1);
 225 }
 226
 227 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 228 {
 229   ModuleBase_ModelWidget* anActiveWidget = 0;
 230   ModuleBase_Operation* anOperation = currentOperation();
 231   if (anOperation) {
 232     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 233     if (aPanel)
 234       anActiveWidget = aPanel->activeWidget();
 235   }
 236   return anActiveWidget;
 237 }
 238
 239 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 240 {
 241   if (hasOperation())
 242     currentOperation()->postpone();
 243   myOperations.append(theOperation);
 244
 245   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 246   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 247   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 248
 249   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 250   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 251   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 252
 253   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 254   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 255
 256   bool isStarted = theOperation->start();
 257   if (isStarted)
 258     onValidateOperation();
 259   return isStarted;
 260 }
 261
 262 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 263 {
 264   bool aResult = true;
 265   if(!hasOperation())
 266     return aResult;
 267
 268   if (operationsCount() == 1) {
 269     ModuleBase_Operation* aCurrentOperation = currentOperation();
 270     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 271       abortOperation(aCurrentOperation);
 272     }
 273     else
 274       aResult = false;
 275   }
 276   else {
 277     if (theMessageKind == XGUI_AbortOperationMessage) {
 278       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 279       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 280       myActiveMessageBox = 0;
 281     }
 282     else if (theMessageKind == XGUI_InformationMessage) {
 283       QString aMessage = tr("Please validate all your active operations before saving.");
 284       myActiveMessageBox = createInformationBox(aMessage);
 285       myActiveMessageBox->exec();
 286       myActiveMessageBox = 0;
 287       aResult = false; // do not perform abort
 288     }
 289     while(aResult && hasOperation()) {
 290       abortOperation(currentOperation());
 291     }
 292   }
 293   return aResult;
 294 }
 295
 296 bool XGUI_OperationMgr::commitAllOperations()
 297 {
 298   bool isCompositeCommitted = false, anOperationProcessed = false;
 299   while (hasOperation()) {
 300     ModuleBase_Operation* anOperation = currentOperation();
 301     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 302       anOperationProcessed = commitOperation();
 303     } else {
 304       abortOperation(anOperation);
 305       anOperationProcessed = true;
 306     }
 307     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 308                                                                             (anOperation);
 309     if (aFOperation) {
 310       FeaturePtr aFeature = aFOperation->feature();
 311       CompositeFeaturePtr aComposite =
 312           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 313       isCompositeCommitted = aComposite.get();
 314       if (isCompositeCommitted)
 315         break;
 316     }
 317     // not processed[committed] operation might be used in composite feature,
 318     // so the while will be stopped by the previous check.
 319     // this code is not necessary, but logically should be done when the processing will not
 320     // be done for not composite feature by some reasons
 321     if (!anOperationProcessed)
 322       break;
 323   }
 324   return true;
 325 }
 326
 327 void XGUI_OperationMgr::onValidateOperation()
 328 {
 329   if (!hasOperation())
 330     return;
 331   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 332                                                                           (currentOperation());
 333   if(aFOperation && aFOperation->feature().get())
 334     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 335 }
 336
 337 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 338 {
 339   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 340   if (theOperation) {
 341     ModuleBase_OperationFeature* aFOperation =
 342       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 343     if (aFOperation)
 344       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 345   }
 346   else {
 347     foreach(ModuleBase_Operation* anOperation, myOperations) {
 348       if (anOperation)
 349         updateApplyOfOperations(anOperation);
 350     }
 351   }
 352   // Apply button of the current operation should also be updated
 353   onValidateOperation();
 354 }
 355
 356 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 357                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 358 {
 359   //in case of nested (sketch) operation no confirmation needed
 360   if (isGrantedOperation(theOperation->id()))
 361     return true;
 362   if (theOperation && theOperation->isModified()) {
 363     ModuleBase_OperationFeature* aOp = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 364     std::string aContext;
 365     if (aOp)
 366       aContext = aOp->feature()->getKind();
 367     QString aTitle = Config_Translator::translate(aContext,
 368       theOperation->getDescription()->description().toStdString()).c_str();
 369
 370     if (theMessageKind == XGUI_AbortOperationMessage) {
 371       QString aMessage = tr("%1 operation will be aborted.").arg(aTitle);
 372       myActiveMessageBox = createMessageBox(aMessage);
 373       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 374       myActiveMessageBox = 0;
 375       return aResult;
 376     }
 377     else if (theMessageKind == XGUI_InformationMessage) {
 378       QString aMessage = tr("Please validate your %1 before saving.").arg(aTitle);
 379       myActiveMessageBox = createInformationBox(aMessage);
 380       myActiveMessageBox->exec();
 381       myActiveMessageBox = 0;
 382       return false;
 383     }
 384   }
 385   return true;
 386 }
 387
 388 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 389 {
 390   theOperation->resume();
 391 }
 392
 393 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 394 {
 395   bool isGranted = false;
 396
 397   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 398   anIt.toBack();
 399   ModuleBase_Operation* aPreviousOperation = 0;
 400   while (anIt.hasPrevious() && !isGranted) {
 401     ModuleBase_Operation* anOp = anIt.previous();
 402     if (anOp)
 403       isGranted = anOp->isGranted(theId);
 404   }
 405   return isGranted;
 406 }
 407
 408 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 409 {
 410   SessionPtr aMgr = ModelAPI_Session::get();
 411   DocumentPtr aDoc = aMgr->activeDocument();
 412   bool aIsOp = aMgr->isOperation();
 413   if (!aIsOp)
 414     aMgr->startOperation(QString("Set current feature: %1")
 415     .arg(theFeature->getKind().c_str()).toStdString());
 416   aDoc->setCurrentFeature(theFeature, false);
 417 #ifdef DEBUG_CURRENT_FEATURE
 418   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 419          ModuleBase_Tools::objectName(
 420          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 421 #endif
 422
 423   if (!aIsOp)
 424     aMgr->finishOperation();
 425 }
 426
 427 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 428 {
 429   bool aCanStart = true;
 430   isCommitted = false;
 431   ModuleBase_Operation* aCurrentOp = currentOperation();
 432   if (aCurrentOp) {
 433     bool aGranted = aCurrentOp->isGranted(theId);
 434     // the started operation is granted for the current one,
 435     // e.g. current - Sketch, started - Line
 436     if (aGranted) {
 437       aCanStart = true;
 438     }
 439     else {
 440       if (!isGrantedOperation(theId)) {
 441         // the operation is not granted in the current list of operations
 442         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 443         aCanStart = abortAllOperations();
 444       }
 445       else if (canStopOperation(aCurrentOp)) {
 446         // the started operation is granted in the parrent operation,
 447         // e.g. current - Line in Sketch, started Circle
 448         stopOperation(aCurrentOp, isCommitted);
 449       } else {
 450         aCanStart = false;
 451       }
 452     }
 453   }
 454   return aCanStart;
 455 }
 456
 457 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 458 {
 459   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 460       theOperation->isModified()) {
 461     isCommitted = theOperation->commit();
 462   } else {
 463     isCommitted = false;
 464     abortOperation(theOperation);
 465   }
 466 }
 467
 468 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 469 {
 470   ModuleBase_Operation* aCurrentOperation = currentOperation();
 471   if (theOperation && (theOperation == aCurrentOperation))
 472     theOperation->abort();
 473   else {
 474     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 475     // all operation from the current to triggered should also be aborted
 476     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 477     while(hasOperation()) {
 478       ModuleBase_Operation* aCurrentOperation = currentOperation();
 479       aCurrentOperation->abort();
 480       if(theOperation == aCurrentOperation)
 481         break;
 482     }
 483   }
 484 }
 485
 486 bool XGUI_OperationMgr::commitOperation()
 487 {
 488   bool isCommitted = false;
 489   ModuleBase_Operation* anOperation = currentOperation();
 490   if (anOperation && myWorkshop->module()->canCommitOperation())
 491     isCommitted = anOperation->commit();
 492   return isCommitted;
 493 }
 494
 495 void XGUI_OperationMgr::onAbortOperation()
 496 {
 497   ModuleBase_Operation* aCurrentOperation = currentOperation();
 498   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 499     abortOperation(aCurrentOperation);
 500   }
 501 }
 502
 503 void XGUI_OperationMgr::onAbortAllOperation()
 504 {
 505   abortAllOperations();
 506 }
 507
 508 void XGUI_OperationMgr::onBeforeOperationStarted()
 509 {
 510   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 511   if (!aCurrentOperation)
 512     return;
 513
 514   /// Set current feature and remeber old current feature
 515   ModuleBase_OperationFeature* aFOperation =
 516     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 517   if (aFOperation) {
 518     SessionPtr aMgr = ModelAPI_Session::get();
 519     DocumentPtr aDoc = aMgr->activeDocument();
 520     // the parameter of current feature should be false, we should use all feature, not only
 521     // visible in order to correctly save the previous feature of the nested operation, where the
 522     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 523     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 524     // When sketch entity operation started, the sketch should be cashed here as the current.
 525     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 526     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 527     // As a result the sketch disappears from the viewer.
 528     // However after commit it is displayed back.
 529     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 530
 531 #ifdef DEBUG_CURRENT_FEATURE
 532     FeaturePtr aFeature = aFOperation->feature();
 533     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 534     qDebug("");
 535     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 536             .arg(aFOperation->isEditOperation())
 537             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 538     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 539             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 540 #endif
 541
 542     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 543       // in create operation, the current feature is changed by addFeature()
 544       aDoc->setCurrentFeature(aFOperation->feature(), false);
 545 #ifdef DEBUG_CURRENT_FEATURE
 546       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 547              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 548 #endif
 549       // this is the only place where flushes must be called after setCurrentFeature for the
 550       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 551       // state may be corrupted (issue #1457)
 552       static Events_Loop* aLoop = Events_Loop::loop();
 553       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 554       aLoop->flush(aCreateEvent);
 555       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 556       aLoop->flush(aDeleteEvent);
 557     }
 558   }
 559 }
 560
 561 void XGUI_OperationMgr::onOperationStarted()
 562 {
 563   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 564   updateApplyOfOperations(aSenderOperation);
 565   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 566   aWorkshop->operationStarted(aSenderOperation);
 567 }
 568
 569 void XGUI_OperationMgr::onBeforeOperationAborted()
 570 {
 571   onBeforeOperationCommitted();
 572 }
 573
 574 void XGUI_OperationMgr::onOperationAborted()
 575 {
 576   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 577   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 578   aWorkshop->setStatusBarMessage("");
 579   emit operationAborted(aSenderOperation);
 580 }
 581
 582 void XGUI_OperationMgr::onBeforeOperationCommitted()
 583 {
 584   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 585   if (!aCurrentOperation)
 586     return;
 587
 588   /// Restore the previous current feature
 589   ModuleBase_OperationFeature* aFOperation =
 590     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 591   if (aFOperation) {
 592 #ifdef DEBUG_CURRENT_FEATURE
 593     QString aKind = aFOperation->feature()->getKind().c_str();
 594     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 595             .arg(aFOperation->isEditOperation())
 596             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 597     qDebug(QString("   document->currentFeature(false) = %1").arg(
 598             ModuleBase_Tools::objectName(
 599             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 600             .toStdString().c_str());
 601 #endif
 602
 603     if (aFOperation->isEditOperation()) {
 604       /// Restore the previous current feature
 605       setCurrentFeature(aFOperation->previousCurrentFeature());
 606     }
 607     else { // create operation
 608       // the Top created feature should stays the current. In nested operations,
 609       // like Line in the Sketch or
 610       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 611       // It is performed here
 612       // in order to perform it in the current transaction without opening a new one.
 613       if (myOperations.front() != aFOperation)
 614         setCurrentFeature(aFOperation->previousCurrentFeature());
 615     }
 616     ModuleBase_IModule* aModule = myWorkshop->module();
 617     if (aModule)
 618       aModule->beforeOperationStopped(aFOperation);
 619   }
 620 }
 621
 622 void XGUI_OperationMgr::onOperationCommitted()
 623 {
 624   // apply state for all features from the stack of operations should be updated
 625   updateApplyOfOperations();
 626
 627   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 628   emit operationCommitted(aSenderOperation);
 629 }
 630
 631 void XGUI_OperationMgr::onOperationResumed()
 632 {
 633   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 634   emit operationResumed(aSenderOperation);
 635 }
 636
 637 void XGUI_OperationMgr::onOperationStopped()
 638 {
 639   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 640   ModuleBase_Operation* aCurrentOperation = currentOperation();
 641   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 642     return;
 643
 644   myOperations.removeAll(aCurrentOperation);
 645   aCurrentOperation->deleteLater();
 646
 647   emit operationStopped(aCurrentOperation);
 648
 649   // get last operation which can be resumed
 650   ModuleBase_Operation* aResultOp = 0;
 651   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 652   anIt.toBack();
 653   while (anIt.hasPrevious()) {
 654     ModuleBase_Operation* anOp = anIt.previous();
 655     if (anOp) {
 656       aResultOp = anOp;
 657       break;
 658     }
 659   }
 660   if (aResultOp) {
 661     //bool isModified = aCurrentOperation->isModified();
 662     //aResultOp->setIsModified(aResultOp->isModified() || isModified);
 663     resumeOperation(aResultOp);
 664     onValidateOperation();
 665   }
 666 }
 667
 668 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 669 {
 670   bool isAccepted = false;
 671
 672   // Let the manager decide what to do with the given key combination.
 673   ModuleBase_Operation* anOperation = currentOperation();
 674   switch (theEvent->key()) {
 675     case Qt::Key_Tab:
 676     case Qt::Key_Backtab:
 677     {
 678       ModuleBase_Operation* aOperation = currentOperation();
 679       if (aOperation) {
 680         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 681         if (aPanel) {
 682           QWidget* aFocusedWidget = qApp->focusWidget();
 683           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 684           if (!isPPChildObject) {
 685             // check for case when the operation is started but property panel is not filled
 686             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 687             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 688             isAccepted = true;
 689           }
 690         }
 691       }
 692     }
 693     break;
 694     case Qt::Key_Return:
 695     case Qt::Key_Enter: {
 696       isAccepted = onProcessEnter(theObject);
 697     }
 698     break;
 699     case Qt::Key_N:
 700     case Qt::Key_P: {
 701       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 702       if (noModifiers) {
 703         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 704         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 705         if (!aContext.IsNull()) {
 706           Handle(V3d_View) aView = aViewer->activeView();
 707           if ((theEvent->key() == Qt::Key_N))
 708             aContext->HilightNextDetected(aView);
 709           else if ((theEvent->key() == Qt::Key_P))
 710             aContext->HilightPreviousDetected(aView);
 711           aViewer->updateHighlight();
 712           isAccepted = true;
 713         }
 714       }
 715       }
 716       break;
 717    case Qt::Key_H:
 718      if ((theEvent->modifiers() == Qt::NoModifier))
 719       myWorkshop->viewer()->hideSelectionHighlight();
 720      break;
 721    default:
 722       isAccepted = false;
 723       break;
 724   }
 725   //if(anOperation) {
 726   //  anOperation->keyReleased(theEvent->key());
 727   //}
 728   return isAccepted;
 729 }
 730
 731 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 732 {
 733   // Let the manager decide what to do with the given key combination.
 734   ModuleBase_Operation* anOperation = currentOperation();
 735   bool isAccepted = false;
 736   switch (theEvent->key()) {
 737     case Qt::Key_Escape: {
 738       // processing in message box
 739       if (myActiveMessageBox)
 740       {
 741         myActiveMessageBox->reject();
 742         isAccepted = true;
 743       }
 744       // processing in the active widget
 745       ModuleBase_Operation* aOperation = currentOperation();
 746       if (!isAccepted && aOperation) {
 747         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 748         if (aPanel) {
 749           ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 750           if (anActiveWgt)
 751           {
 752             isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 753             if (isAccepted) {
 754               ModuleBase_OperationFeature* aFOperation =
 755                 dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 756               if (aFOperation)
 757                 aFOperation->setNeedToBeAborted(true);
 758             }
 759           }
 760         }
 761       }
 762       if (!isAccepted)
 763       {
 764         XGUI_ActiveControlSelector* anActiveSelector =
 765           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 766         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 767           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 768       }
 769       // default Escape button functionality
 770       if (!isAccepted && aOperation) {
 771         onAbortOperation();
 772         isAccepted = true;
 773       }
 774     }
 775     break;
 776     case Qt::Key_H:
 777       if ((theEvent->modifiers() == Qt::NoModifier))
 778         myWorkshop->viewer()->showSelectionHighlight();
 779       break;
 780   }
 781   return isAccepted;
 782 }
 783
 784 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 785 {
 786   bool isAccepted = false;
 787   ModuleBase_Operation* aOperation = currentOperation();
 788   // to avoid enter processing when operation has not been started yet
 789   if (!aOperation)
 790     return isAccepted;
 791   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 792   if (!aPanel)
 793     return isAccepted;
 794   // the next code is obsolete as we want to process Enter in property panel always
 795   // only property panel enter is processed in order to do not process enter in application dialogs
 796   //bool isPPChild = isChildObject(theObject, aPanel);
 797   //if (!isPPChild)
 798   //  return isAccepted;
 799
 800   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 801   bool isAborted = false;
 802   if (!anActiveWgt) {
 803     QWidget* aFocusWidget = aPanel->focusWidget();
 804     QToolButton* aCancelBtn =
 805       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 806     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 807       abortOperation(aOperation);
 808       isAccepted = true;
 809       isAborted = true;
 810     }
 811   }
 812   if (!isAborted) {
 813     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 814     if (!isAccepted) {
 815       isAccepted =
 816         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 817       if (!isAccepted) {
 818         /// functionality is similar to Apply click
 819         ModuleBase_OperationFeature* aFOperation =
 820           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 821         if (!aFOperation ||
 822             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 823           // key released is emitted to apply the current value to the model
 824           // if it was modified in PP
 825           emit keyEnterReleased();
 826           commitOperation();
 827           isAccepted = true;
 828         }
 829         else
 830           isAccepted = false;
 831       }
 832     }
 833   }
 834   return isAccepted;
 835 }
 836
 837 bool editorControl(QObject* theObject)
 838 {
 839   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 840   return aLineEdit;
 841 }
 842
 843 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 844 {
 845   bool isAccepted = false;
 846   ModuleBase_Operation* aOperation = currentOperation();
 847   ModuleBase_ModelWidget* anActiveWgt = 0;
 848   // firstly the widget should process Delete action
 849   ModuleBase_IPropertyPanel* aPanel;
 850   bool isPPChildObject = false;
 851   if (aOperation) {
 852     aPanel = aOperation->propertyPanel();
 853     if (aPanel) {
 854       isPPChildObject = isChildObject(theObject, aPanel);
 855       // process delete in active widget only if delete sender is child of property panel
 856       // it is necessary for the case when OB is shown, user perform selection and click Delete
 857       if (isPPChildObject) {
 858         anActiveWgt = aPanel->activeWidget();
 859         if (anActiveWgt) {
 860           isAccepted = anActiveWgt->processAction(ActionDelete);
 861         }
 862       }
 863     }
 864   }
 865   if (!isAccepted)
 866   {
 867     XGUI_ActiveControlSelector* anActiveSelector =
 868       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 869     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 870       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 871   }
 872   if (!isAccepted) {
 873     // after widget, object browser and viewer should process delete
 874     /// other widgets such as line edit controls should not lead to
 875     /// processing delete by workshop
 876     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 877     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 878     bool isToDeleteObject = false;
 879     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 880     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 881     if (theObject == aBrowser->treeView()) {
 882       aContextMenuMgr->updateObjectBrowserMenu();
 883       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 884     }
 885     else if (isChildObject(theObject, aViewPort)) {
 886       aContextMenuMgr->updateViewerMenu();
 887       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 888     }
 889     else if (isPPChildObject) {
 890       // property panel child object is processed to process delete performed on Apply button of PP
 891       isToDeleteObject = true;
 892     }
 893     else if (editorControl(theObject)) {
 894       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 895       isAccepted = true;
 896     }
 897
 898     if (isToDeleteObject) {
 899       aWorkshop->deleteObjects();
 900       isAccepted = true;
 901     }
 902   }
 903
 904   return isAccepted;
 905 }
 906
 907 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 908 {
 909   bool isPPChild = false;
 910   if (theParent && theObject) {
 911     QObject* aParent = (QObject*)theObject;
 912     while (aParent ) {
 913       isPPChild = aParent == theParent;
 914       if (isPPChild)
 915         break;
 916       aParent = aParent->parent();
 917     }
 918   }
 919   return isPPChild;
 920 }
 921
 922 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 923 {
 924   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 925     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 926     qApp->activeWindow());
 927   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 928   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 929
 930   return aMessageBox;
 931 }
 932
 933 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 934 {
 935   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 936     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 937     qApp->activeWindow());
 938   aMessageBox->setDefaultButton(QMessageBox::Ok);
 939   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 940
 941   return aMessageBox;
 942 }
 943
 944 XGUI_Workshop* XGUI_OperationMgr::xworkshop() const
 945 {
 946   XGUI_ModuleConnector* aConnector = (XGUI_ModuleConnector*) myWorkshop;
 947   return aConnector->workshop();
 948 }