src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-2017  CEA/DEN, EDF R&D
   2 //
   3 // This library is free software; you can redistribute it and/or
   4 // modify it under the terms of the GNU Lesser General Public
   5 // License as published by the Free Software Foundation; either
   6 // version 2.1 of the License, or (at your option) any later version.
   7 //
   8 // This library is distributed in the hope that it will be useful,
   9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11 // Lesser General Public License for more details.
  12 //
  13 // You should have received a copy of the GNU Lesser General Public
  14 // License along with this library; if not, write to the Free Software
  15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16 //
  17 // See http://www.salome-platform.org/ or
  18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
  19 //
  20
  21 #include "XGUI_OperationMgr.h"
  22
  23 #include "XGUI_ActiveControlMgr.h"
  24 #include "XGUI_ActiveControlSelector.h"
  25 #include "XGUI_FacesPanelSelector.h"
  26 #include "XGUI_ModuleConnector.h"
  27 #include "XGUI_Workshop.h"
  28 #include "XGUI_ErrorMgr.h"
  29 #include "XGUI_FacesPanel.h"
  30 #include "XGUI_Tools.h"
  31 #include "XGUI_ObjectsBrowser.h"
  32 #include "XGUI_ContextMenuMgr.h"
  33
  34 #include <ModuleBase_IPropertyPanel.h>
  35 #include <ModuleBase_ModelWidget.h>
  36 #include "ModuleBase_Operation.h"
  37 #include "ModuleBase_IWorkshop.h"
  38 #include "ModuleBase_IModule.h"
  39 #include <ModuleBase_IViewer.h>
  40 #include "ModuleBase_OperationDescription.h"
  41 #include "ModuleBase_OperationFeature.h"
  42 #include "ModuleBase_Tools.h"
  43
  44 #include "ModelAPI_CompositeFeature.h"
  45 #include "ModelAPI_Session.h"
  46
  47 #include <XGUI_PropertyPanel.h>
  48 #include <QToolButton>
  49 #include <QLineEdit>
  50
  51 #include <QMessageBox>
  52 #include <QApplication>
  53 #include <QKeyEvent>
  54
  55 //#define DEBUG_CURRENT_FEATURE
  56
  57 /// Processes "Delete" key event of application. This key is used by several application actions.
  58 /// There is a logical order of the actions processing. So the key can not be set for actions
  59 /// as a shortcut. The class listens the key event and call operation manager processor.
  60 class XGUI_ShortCutListener : public QObject
  61 {
  62 public:
  63   /// Constructor
  64   /// \param theParent the parent to be deleted when the parent is deleted
  65   /// \param theOperationMgr the class to perform deletion
  66   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  67     : QObject(theParent), myOperationMgr(theOperationMgr), myIsActive(false)
  68   {
  69     qApp->installEventFilter(this);
  70   }
  71   ~XGUI_ShortCutListener() {}
  72
  73   /// Switch on short cut listener
  74   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  75
  76   /// Redefinition of virtual function to process Delete key release
  77   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  78   {
  79     bool isAccepted = false;
  80     if (myIsActive) {
  81       if (theEvent->type() == QEvent::KeyRelease) {
  82         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  83         if (aKeyEvent) {
  84           myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  85           switch (aKeyEvent->key()) {
  86             case Qt::Key_Delete:
  87               isAccepted = myOperationMgr->onProcessDelete(theObject);
  88             break;
  89             default:
  90               isAccepted = myOperationMgr->onKeyReleased(theObject, aKeyEvent);
  91               break;
  92           }
  93         }
  94       }
  95       else if (theEvent->type() == QEvent::KeyPress) {
  96         QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  97         myOperationMgr->setSHIFTPressed(aKeyEvent->modifiers() & Qt::ShiftModifier);
  98         switch (aKeyEvent->key()) {
  99           case Qt::Key_Escape:
 100             isAccepted = myOperationMgr->onKeyPressed(theObject, aKeyEvent);
 101           break;
 102           default:
 103             break;
 104         }
 105       }
 106     }
 107     if (!isAccepted)
 108       isAccepted = QObject::eventFilter(theObject, theEvent);
 109     return isAccepted;
 110   }
 111
 112 private:
 113   XGUI_OperationMgr* myOperationMgr; /// processor for key event
 114   bool myIsActive; /// boolean state whether the event filter perform own signal processing
 115 };
 116
 117 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
 118                                      ModuleBase_IWorkshop* theWorkshop)
 119 : QObject(theParent), myWorkshop(theWorkshop), mySHIFTPressed(false), myActiveMessageBox(0)
 120 {
 121   /// we need to install filter to the application in order to react to 'Delete' key button
 122   /// this key can not be a short cut for a corresponded action because we need to set
 123   /// the actions priority
 124   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
 125 }
 126
 127 XGUI_OperationMgr::~XGUI_OperationMgr()
 128 {
 129 }
 130
 131 void XGUI_OperationMgr::activate()
 132 {
 133   myShortCutListener->setActive(true);
 134 }
 135
 136 void XGUI_OperationMgr::deactivate()
 137 {
 138   myShortCutListener->setActive(false);
 139 }
 140
 141 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 142 {
 143   return myOperations.count() > 0 ? myOperations.last() : 0;
 144 }
 145
 146 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 147 {
 148   if(!hasOperation())
 149     return false;
 150   return currentOperation() == theOperation;
 151 }
 152
 153 bool XGUI_OperationMgr::hasOperation() const
 154 {
 155   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 156 }
 157
 158 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 159 {
 160   foreach(ModuleBase_Operation* aOp, myOperations) {
 161     if (aOp->id() == theId)
 162       return true;
 163   }
 164   return false;
 165 }
 166
 167 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 168 {
 169   QList<ModuleBase_Operation*>::const_iterator anIt = myOperations.end();
 170   while (anIt != myOperations.begin()) {
 171     --anIt;
 172     ModuleBase_Operation* anOperation = *anIt;
 173     if (anOperation->id() == theId)
 174       return anOperation;
 175   }
 176   return 0;
 177 }
 178
 179
 180 int XGUI_OperationMgr::operationsCount() const
 181 {
 182   return myOperations.count();
 183 }
 184
 185 QStringList XGUI_OperationMgr::operationList() const
 186 {
 187   QStringList result;
 188   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 189     ModuleBase_OperationFeature* aFOperation =
 190       dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 191     if (aFOperation) {
 192       FeaturePtr aFeature = aFOperation->feature();
 193       if(aFeature) {
 194         result << QString::fromStdString(aFeature->getKind());
 195       }
 196     }
 197   }
 198   return result;
 199 }
 200
 201 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 202 {
 203   int idx = myOperations.lastIndexOf(theOperation);
 204   if(idx == -1 || idx == 0) {
 205     return NULL;
 206   }
 207   return myOperations.at(idx - 1);
 208 }
 209
 210 ModuleBase_ModelWidget* XGUI_OperationMgr::activeWidget() const
 211 {
 212   ModuleBase_ModelWidget* anActiveWidget = 0;
 213   ModuleBase_Operation* anOperation = currentOperation();
 214   if (anOperation) {
 215     ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 216     if (aPanel)
 217       anActiveWidget = aPanel->activeWidget();
 218   }
 219   return anActiveWidget;
 220 }
 221
 222 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 223 {
 224   if (hasOperation())
 225     currentOperation()->postpone();
 226   myOperations.append(theOperation);
 227
 228   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 229   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 230   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 231
 232   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 233   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 234   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 235
 236   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 237   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 238
 239   bool isStarted = theOperation->start();
 240   if (isStarted)
 241     onValidateOperation();
 242   return isStarted;
 243 }
 244
 245 bool XGUI_OperationMgr::abortAllOperations(const XGUI_MessageKind& theMessageKind)
 246 {
 247   bool aResult = true;
 248   if(!hasOperation())
 249     return aResult;
 250
 251   if (operationsCount() == 1) {
 252     ModuleBase_Operation* aCurrentOperation = currentOperation();
 253     if (canStopOperation(aCurrentOperation, theMessageKind)) {
 254       abortOperation(aCurrentOperation);
 255     }
 256     else
 257       aResult = false;
 258   }
 259   else {
 260     if (theMessageKind == XGUI_AbortOperationMessage) {
 261       myActiveMessageBox = createMessageBox(tr("All active operations will be aborted."));
 262       aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 263       myActiveMessageBox = 0;
 264     }
 265     else if (theMessageKind == XGUI_InformationMessage) {
 266       QString aMessage = tr("Please validate all your active operations before saving.");
 267       myActiveMessageBox = createInformationBox(aMessage);
 268       myActiveMessageBox->exec();
 269       myActiveMessageBox = 0;
 270       aResult = false; // do not perform abort
 271     }
 272     while(aResult && hasOperation()) {
 273       abortOperation(currentOperation());
 274     }
 275   }
 276   return aResult;
 277 }
 278
 279 bool XGUI_OperationMgr::commitAllOperations()
 280 {
 281   bool isCompositeCommitted = false, anOperationProcessed = false;
 282   while (hasOperation()) {
 283     ModuleBase_Operation* anOperation = currentOperation();
 284     if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled()) {
 285       anOperationProcessed = commitOperation();
 286     } else {
 287       abortOperation(anOperation);
 288       anOperationProcessed = true;
 289     }
 290     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 291                                                                             (anOperation);
 292     if (aFOperation) {
 293       FeaturePtr aFeature = aFOperation->feature();
 294       CompositeFeaturePtr aComposite =
 295           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 296       isCompositeCommitted = aComposite.get();
 297       if (isCompositeCommitted)
 298         break;
 299     }
 300     // not processed[committed] operation might be used in composite feature,
 301     // so the while will be stopped by the previous check.
 302     // this code is not necessary, but logically should be done when the processing will not
 303     // be done for not composite feature by some reasons
 304     if (!anOperationProcessed)
 305       break;
 306   }
 307   return true;
 308 }
 309
 310 void XGUI_OperationMgr::onValidateOperation()
 311 {
 312   if (!hasOperation())
 313     return;
 314   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 315                                                                           (currentOperation());
 316   if(aFOperation && aFOperation->feature().get())
 317     XGUI_Tools::workshop(myWorkshop)->errorMgr()->updateActions(aFOperation->feature());
 318 }
 319
 320 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 321 {
 322   XGUI_ErrorMgr* anErrorMgr = XGUI_Tools::workshop(myWorkshop)->errorMgr();
 323   if (theOperation) {
 324     ModuleBase_OperationFeature* aFOperation =
 325       dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 326     if (aFOperation)
 327       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 328   }
 329   else {
 330     foreach(ModuleBase_Operation* anOperation, myOperations) {
 331       if (anOperation)
 332         updateApplyOfOperations(anOperation);
 333     }
 334   }
 335   // Apply button of the current operation should also be updated
 336   onValidateOperation();
 337 }
 338
 339 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation,
 340                                          const XGUI_OperationMgr::XGUI_MessageKind& theMessageKind)
 341 {
 342   //in case of nested (sketch) operation no confirmation needed
 343   if (isGrantedOperation(theOperation->id()))
 344     return true;
 345   if (theOperation && theOperation->isModified()) {
 346     if (theMessageKind == XGUI_AbortOperationMessage) {
 347       QString aMessage = tr("%1 operation will be aborted.").arg(theOperation->id());
 348       myActiveMessageBox = createMessageBox(aMessage);
 349       bool aResult = myActiveMessageBox->exec() == QMessageBox::Ok;
 350       myActiveMessageBox = 0;
 351       return aResult;
 352     }
 353     else if (theMessageKind == XGUI_InformationMessage) {
 354       QString aMessage = tr("Please validate your %1 before saving.").arg(theOperation->id());
 355       myActiveMessageBox = createInformationBox(aMessage);
 356       myActiveMessageBox->exec();
 357       myActiveMessageBox = 0;
 358       return false;
 359     }
 360   }
 361   return true;
 362 }
 363
 364 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 365 {
 366   theOperation->resume();
 367 }
 368
 369 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 370 {
 371   bool isGranted = false;
 372
 373   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 374   anIt.toBack();
 375   ModuleBase_Operation* aPreviousOperation = 0;
 376   while (anIt.hasPrevious() && !isGranted) {
 377     ModuleBase_Operation* anOp = anIt.previous();
 378     if (anOp)
 379       isGranted = anOp->isGranted(theId);
 380   }
 381   return isGranted;
 382 }
 383
 384 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 385 {
 386   SessionPtr aMgr = ModelAPI_Session::get();
 387   DocumentPtr aDoc = aMgr->activeDocument();
 388   bool aIsOp = aMgr->isOperation();
 389   if (!aIsOp)
 390     aMgr->startOperation(QString("Set current feature: %1")
 391     .arg(theFeature->getKind().c_str()).toStdString());
 392   aDoc->setCurrentFeature(theFeature, false);
 393 #ifdef DEBUG_CURRENT_FEATURE
 394   qDebug(QString("   document->setCurrentFeature(false) = %1    SET").arg(
 395          ModuleBase_Tools::objectName(
 396          ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 397 #endif
 398
 399   if (!aIsOp)
 400     aMgr->finishOperation();
 401 }
 402
 403 bool XGUI_OperationMgr::canStartOperation(const QString& theId, bool& isCommitted)
 404 {
 405   bool aCanStart = true;
 406   isCommitted = false;
 407   ModuleBase_Operation* aCurrentOp = currentOperation();
 408   if (aCurrentOp) {
 409     bool aGranted = aCurrentOp->isGranted(theId);
 410     // the started operation is granted for the current one,
 411     // e.g. current - Sketch, started - Line
 412     if (aGranted) {
 413       aCanStart = true;
 414     }
 415     else {
 416       if (!isGrantedOperation(theId)) {
 417         // the operation is not granted in the current list of operations
 418         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 419         aCanStart = abortAllOperations();
 420       }
 421       else if (canStopOperation(aCurrentOp)) {
 422         // the started operation is granted in the parrent operation,
 423         // e.g. current - Line in Sketch, started Circle
 424         stopOperation(aCurrentOp, isCommitted);
 425       } else {
 426         aCanStart = false;
 427       }
 428     }
 429   }
 430   return aCanStart;
 431 }
 432
 433 void XGUI_OperationMgr::stopOperation(ModuleBase_Operation* theOperation, bool& isCommitted)
 434 {
 435   if (XGUI_Tools::workshop(myWorkshop)->errorMgr()->isApplyEnabled() &&
 436       theOperation->isModified()) {
 437     isCommitted = theOperation->commit();
 438   } else {
 439     isCommitted = false;
 440     abortOperation(theOperation);
 441   }
 442 }
 443
 444 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 445 {
 446   ModuleBase_Operation* aCurrentOperation = currentOperation();
 447   if (theOperation == aCurrentOperation)
 448     theOperation->abort();
 449   else {
 450     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 451     // all operation from the current to triggered should also be aborted
 452     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 453     while(hasOperation()) {
 454       ModuleBase_Operation* aCurrentOperation = currentOperation();
 455       aCurrentOperation->abort();
 456       if(theOperation == aCurrentOperation)
 457         break;
 458     }
 459   }
 460 }
 461
 462 bool XGUI_OperationMgr::commitOperation()
 463 {
 464   bool isCommitted = false;
 465   ModuleBase_Operation* anOperation = currentOperation();
 466   if (anOperation && myWorkshop->module()->canCommitOperation())
 467     isCommitted = anOperation->commit();
 468   return isCommitted;
 469 }
 470
 471 void XGUI_OperationMgr::onAbortOperation()
 472 {
 473   ModuleBase_Operation* aCurrentOperation = currentOperation();
 474   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 475     abortOperation(aCurrentOperation);
 476   }
 477 }
 478
 479 void XGUI_OperationMgr::onAbortAllOperation()
 480 {
 481   abortAllOperations();
 482 }
 483
 484 void XGUI_OperationMgr::onBeforeOperationStarted()
 485 {
 486   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 487   if (!aCurrentOperation)
 488     return;
 489
 490   /// Set current feature and remeber old current feature
 491   ModuleBase_OperationFeature* aFOperation =
 492     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 493   if (aFOperation) {
 494     SessionPtr aMgr = ModelAPI_Session::get();
 495     DocumentPtr aDoc = aMgr->activeDocument();
 496     // the parameter of current feature should be false, we should use all feature, not only
 497     // visible in order to correctly save the previous feature of the nested operation, where the
 498     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 499     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 500     // When sketch entity operation started, the sketch should be cashed here as the current.
 501     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 502     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 503     // As a result the sketch disappears from the viewer.
 504     // However after commit it is displayed back.
 505     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 506
 507 #ifdef DEBUG_CURRENT_FEATURE
 508     FeaturePtr aFeature = aFOperation->feature();
 509     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 510     qDebug("");
 511     qDebug(QString("onBeforeOperationStarted() isEditOperation = %1, feature = %2")
 512             .arg(aFOperation->isEditOperation())
 513             .arg(ModuleBase_Tools::objectName(aFeature)).toStdString().c_str());
 514     qDebug(QString("   document->currentFeature(false) = %1 : DO: setPreviousCurrentFeature").arg(
 515             ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 516 #endif
 517
 518     if (aFOperation->isEditOperation()) {// it should be performed by the feature edit only
 519       // in create operation, the current feature is changed by addFeature()
 520       aDoc->setCurrentFeature(aFOperation->feature(), false);
 521 #ifdef DEBUG_CURRENT_FEATURE
 522       qDebug(QString("   document->setCurrentFeature(false) = %1").arg(
 523              ModuleBase_Tools::objectName(aDoc->currentFeature(false))).toStdString().c_str());
 524 #endif
 525       // this is the only place where flushes must be called after setCurrentFeature for the
 526       // current moment: after this the opertion is not finished, so, the ObjectBrowser
 527       // state may be corrupted (issue #1457)
 528       static Events_Loop* aLoop = Events_Loop::loop();
 529       static Events_ID aCreateEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
 530       aLoop->flush(aCreateEvent);
 531       static Events_ID aDeleteEvent = aLoop->eventByName(EVENT_OBJECT_DELETED);
 532       aLoop->flush(aDeleteEvent);
 533     }
 534   }
 535 }
 536
 537 void XGUI_OperationMgr::onOperationStarted()
 538 {
 539   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 540   updateApplyOfOperations(aSenderOperation);
 541   XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 542   aWorkshop->operationStarted(aSenderOperation);
 543 }
 544
 545 void XGUI_OperationMgr::onBeforeOperationAborted()
 546 {
 547   onBeforeOperationCommitted();
 548 }
 549
 550 void XGUI_OperationMgr::onOperationAborted()
 551 {
 552   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 553   emit operationAborted(aSenderOperation);
 554 }
 555
 556 void XGUI_OperationMgr::onBeforeOperationCommitted()
 557 {
 558   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 559   if (!aCurrentOperation)
 560     return;
 561
 562   /// Restore the previous current feature
 563   ModuleBase_OperationFeature* aFOperation =
 564     dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 565   if (aFOperation) {
 566 #ifdef DEBUG_CURRENT_FEATURE
 567     QString aKind = aFOperation->feature()->getKind().c_str();
 568     qDebug(QString("onBeforeOperationCommitted() isEditOperation = %1, feature = %2")
 569             .arg(aFOperation->isEditOperation())
 570             .arg(ModuleBase_Tools::objectName(aFOperation->feature())).toStdString().c_str());
 571     qDebug(QString("   document->currentFeature(false) = %1").arg(
 572             ModuleBase_Tools::objectName(
 573             ModelAPI_Session::get()->activeDocument()->currentFeature(false)))
 574             .toStdString().c_str());
 575 #endif
 576
 577     if (aFOperation->isEditOperation()) {
 578       /// Restore the previous current feature
 579       setCurrentFeature(aFOperation->previousCurrentFeature());
 580     }
 581     else { // create operation
 582       // the Top created feature should stays the current. In nested operations,
 583       // like Line in the Sketch or
 584       // Sketch in ExtrusionCut, a previous feature should be restored on commit.
 585       // It is performed here
 586       // in order to perform it in the current transaction without opening a new one.
 587       if (myOperations.front() != aFOperation)
 588         setCurrentFeature(aFOperation->previousCurrentFeature());
 589     }
 590     ModuleBase_IModule* aModule = myWorkshop->module();
 591     if (aModule)
 592       aModule->beforeOperationStopped(aFOperation);
 593   }
 594 }
 595
 596 void XGUI_OperationMgr::onOperationCommitted()
 597 {
 598   // apply state for all features from the stack of operations should be updated
 599   updateApplyOfOperations();
 600
 601   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 602   emit operationCommitted(aSenderOperation);
 603 }
 604
 605 void XGUI_OperationMgr::onOperationResumed()
 606 {
 607   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 608   emit operationResumed(aSenderOperation);
 609 }
 610
 611 void XGUI_OperationMgr::onOperationStopped()
 612 {
 613   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 614   ModuleBase_Operation* aCurrentOperation = currentOperation();
 615   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 616     return;
 617
 618   myOperations.removeAll(aCurrentOperation);
 619   aCurrentOperation->deleteLater();
 620
 621   emit operationStopped(aCurrentOperation);
 622
 623   // get last operation which can be resumed
 624   ModuleBase_Operation* aResultOp = 0;
 625   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 626   anIt.toBack();
 627   while (anIt.hasPrevious()) {
 628     ModuleBase_Operation* anOp = anIt.previous();
 629     if (anOp) {
 630       aResultOp = anOp;
 631       break;
 632     }
 633   }
 634   if (aResultOp) {
 635     bool isModified = aCurrentOperation->isModified();
 636     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 637     resumeOperation(aResultOp);
 638     onValidateOperation();
 639   }
 640 }
 641
 642 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 643 {
 644   // Let the manager decide what to do with the given key combination.
 645   ModuleBase_Operation* anOperation = currentOperation();
 646   bool isAccepted = false;
 647   switch (theEvent->key()) {
 648     case Qt::Key_Tab:
 649     case Qt::Key_Backtab:
 650     {
 651       ModuleBase_Operation* aOperation = currentOperation();
 652       if (aOperation) {
 653         ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
 654         if (aPanel) {
 655           QWidget* aFocusedWidget = qApp->focusWidget();
 656           bool isPPChildObject = aFocusedWidget && isChildObject(aFocusedWidget, aPanel);
 657           if (!isPPChildObject) {
 658             // check for case when the operation is started but property panel is not filled
 659             XGUI_PropertyPanel* aPP = dynamic_cast<XGUI_PropertyPanel*>(aPanel);
 660             aPP->setFocusNextPrevChild(theEvent->key() == Qt::Key_Tab);
 661             isAccepted = true;
 662           }
 663         }
 664       }
 665     }
 666     break;
 667     case Qt::Key_Return:
 668     case Qt::Key_Enter: {
 669       isAccepted = onProcessEnter(theObject);
 670     }
 671     break;
 672     case Qt::Key_N:
 673     case Qt::Key_P: {
 674       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 675       if (noModifiers) {
 676         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 677         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 678         if (!aContext.IsNull()) {
 679           Handle(V3d_View) aView = aViewer->activeView();
 680           if ((theEvent->key() == Qt::Key_N))
 681             aContext->HilightNextDetected(aView);
 682           else if ((theEvent->key() == Qt::Key_P))
 683             aContext->HilightPreviousDetected(aView);
 684         }
 685       }
 686     }
 687     break;
 688     break;
 689     default:
 690       isAccepted = false;
 691       break;
 692   }
 693   //if(anOperation) {
 694   //  anOperation->keyReleased(theEvent->key());
 695   //}
 696   return isAccepted;
 697 }
 698
 699 bool XGUI_OperationMgr::onKeyPressed(QObject *theObject, QKeyEvent* theEvent)
 700 {
 701   // Let the manager decide what to do with the given key combination.
 702   ModuleBase_Operation* anOperation = currentOperation();
 703   bool isAccepted = false;
 704   switch (theEvent->key()) {
 705     case Qt::Key_Escape: {
 706       // processing in message box
 707       if (myActiveMessageBox)
 708       {
 709         myActiveMessageBox->reject();
 710         isAccepted = true;
 711       }
 712       // processing in the active widget
 713       ModuleBase_Operation* aOperation = currentOperation();
 714       if (!isAccepted && aOperation) {
 715         ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 716         ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 717         if (anActiveWgt)
 718         {
 719           isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEscape);
 720           if (isAccepted) {
 721             ModuleBase_OperationFeature* aFOperation =
 722               dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 723             if (aFOperation)
 724               aFOperation->setNeedToBeAborted(true);
 725           }
 726         }
 727       }
 728       if (!isAccepted)
 729       {
 730         XGUI_ActiveControlSelector* anActiveSelector =
 731           XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 732         if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 733           isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionEscape);
 734       }
 735       // default Escape button functionality
 736       if (!isAccepted && aOperation) {
 737         onAbortOperation();
 738         isAccepted = true;
 739       }
 740     }
 741     break;
 742   }
 743   return isAccepted;
 744 }
 745
 746 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 747 {
 748   bool isAccepted = false;
 749   ModuleBase_Operation* aOperation = currentOperation();
 750   // to avoid enter processing when operation has not been started yet
 751   if (!aOperation)
 752     return isAccepted;
 753   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 754   if (!aPanel)
 755     return isAccepted;
 756   // the next code is obsolete as we want to process Enter in property panel always
 757   // only property panel enter is processed in order to do not process enter in application dialogs
 758   //bool isPPChild = isChildObject(theObject, aPanel);
 759   //if (!isPPChild)
 760   //  return isAccepted;
 761
 762   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 763   bool isAborted = false;
 764   if (!anActiveWgt) {
 765     QWidget* aFocusWidget = aPanel->focusWidget();
 766     QToolButton* aCancelBtn =
 767       dynamic_cast<XGUI_PropertyPanel*>(aPanel)->findButton(PROP_PANEL_CANCEL);
 768     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 769       abortOperation(aOperation);
 770       isAccepted = true;
 771       isAborted = true;
 772     }
 773   }
 774   if (!isAborted) {
 775     isAccepted = anActiveWgt && anActiveWgt->processAction(ActionEnter);
 776     if (!isAccepted) {
 777       isAccepted =
 778         myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 779       if (!isAccepted) {
 780         /// functionality is similar to Apply click
 781         ModuleBase_OperationFeature* aFOperation =
 782           dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 783         if (!aFOperation ||
 784             myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 785           // key released is emitted to apply the current value to the model
 786           // if it was modified in PP
 787           emit keyEnterReleased();
 788           commitOperation();
 789           isAccepted = true;
 790         }
 791         else
 792           isAccepted = false;
 793       }
 794     }
 795   }
 796   return isAccepted;
 797 }
 798
 799 bool editorControl(QObject* theObject)
 800 {
 801   QLineEdit* aLineEdit = dynamic_cast<QLineEdit*>(theObject);
 802   return aLineEdit;
 803 }
 804
 805 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 806 {
 807   bool isAccepted = false;
 808   ModuleBase_Operation* aOperation = currentOperation();
 809   ModuleBase_ModelWidget* anActiveWgt = 0;
 810   // firstly the widget should process Delete action
 811   ModuleBase_IPropertyPanel* aPanel;
 812   bool isPPChildObject = false;
 813   if (aOperation) {
 814     aPanel = aOperation->propertyPanel();
 815     if (aPanel) {
 816       isPPChildObject = isChildObject(theObject, aPanel);
 817       // process delete in active widget only if delete sender is child of property panel
 818       // it is necessary for the case when OB is shown, user perform selection and click Delete
 819       if (isPPChildObject) {
 820         anActiveWgt = aPanel->activeWidget();
 821         if (anActiveWgt) {
 822           isAccepted = anActiveWgt->processAction(ActionDelete);
 823         }
 824       }
 825     }
 826   }
 827   if (!isAccepted)
 828   {
 829     XGUI_ActiveControlSelector* anActiveSelector =
 830       XGUI_Tools::workshop(myWorkshop)->activeControlMgr()->activeSelector();
 831     if (anActiveSelector && anActiveSelector->getType() == XGUI_FacesPanelSelector::Type())
 832       isAccepted = XGUI_Tools::workshop(myWorkshop)->facesPanel()->processAction(ActionDelete);
 833   }
 834   if (!isAccepted) {
 835     // after widget, object browser and viewer should process delete
 836     /// other widgets such as line edit controls should not lead to
 837     /// processing delete by workshop
 838     XGUI_ObjectsBrowser* aBrowser = XGUI_Tools::workshop(myWorkshop)->objectBrowser();
 839     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 840     bool isToDeleteObject = false;
 841     XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myWorkshop);
 842     XGUI_ContextMenuMgr* aContextMenuMgr = aWorkshop->contextMenuMgr();
 843     if (theObject == aBrowser->treeView()) {
 844       aContextMenuMgr->updateObjectBrowserMenu();
 845       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 846     }
 847     else if (isChildObject(theObject, aViewPort)) {
 848       aContextMenuMgr->updateViewerMenu();
 849       isToDeleteObject = aContextMenuMgr->action("DELETE_CMD")->isEnabled();
 850     }
 851     else if (isPPChildObject) {
 852       // property panel child object is processed to process delete performed on Apply button of PP
 853       isToDeleteObject = true;
 854     }
 855     else if (editorControl(theObject)) {
 856       isToDeleteObject = false; /// Line Edit of Rename operation in ObjectBrowser
 857       isAccepted = true;
 858     }
 859
 860     if (isToDeleteObject) {
 861       aWorkshop->deleteObjects();
 862       isAccepted = true;
 863     }
 864   }
 865
 866   return isAccepted;
 867 }
 868
 869 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 870 {
 871   bool isPPChild = false;
 872   if (theParent && theObject) {
 873     QObject* aParent = (QObject*)theObject;
 874     while (aParent ) {
 875       isPPChild = aParent == theParent;
 876       if (isPPChild)
 877         break;
 878       aParent = aParent->parent();
 879     }
 880   }
 881   return isPPChild;
 882 }
 883
 884 QMessageBox* XGUI_OperationMgr::createMessageBox(const QString& theMessage)
 885 {
 886   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 887     QObject::tr("Abort operation"), theMessage, QMessageBox::Ok | QMessageBox::Cancel,
 888     qApp->activeWindow());
 889   aMessageBox->setDefaultButton(QMessageBox::Cancel);
 890   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 891
 892   return aMessageBox;
 893 }
 894
 895 QMessageBox* XGUI_OperationMgr::createInformationBox(const QString& theMessage)
 896 {
 897   QMessageBox * aMessageBox = new QMessageBox(QMessageBox::Question,
 898     QObject::tr("Validate operation"), theMessage, QMessageBox::Ok,
 899     qApp->activeWindow());
 900   aMessageBox->setDefaultButton(QMessageBox::Ok);
 901   aMessageBox->setEscapeButton(QMessageBox::No); // operation manager should process Esc key
 902
 903   return aMessageBox;
 904 }