src/XGUI/XGUI_OperationMgr.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        XGUI_OperationMgr.cpp
   4 // Created:     20 Apr 2014
   5 // Author:      Natalia ERMOLAEVA
   6
   7 #include "XGUI_OperationMgr.h"
   8 #include "XGUI_ModuleConnector.h"
   9 #include "XGUI_Workshop.h"
  10 #include "XGUI_ErrorMgr.h"
  11 #include <XGUI_ObjectsBrowser.h>
  12
  13 #include <ModuleBase_IPropertyPanel.h>
  14 #include <ModuleBase_ModelWidget.h>
  15 #include "ModuleBase_Operation.h"
  16 #include "ModuleBase_IWorkshop.h"
  17 #include "ModuleBase_IModule.h"
  18 #include <ModuleBase_IViewer.h>
  19 #include "ModuleBase_OperationDescription.h"
  20 #include "ModuleBase_OperationFeature.h"
  21 #include "ModuleBase_Tools.h"
  22
  23 #include "ModelAPI_CompositeFeature.h"
  24 #include "ModelAPI_Session.h"
  25
  26 #include <XGUI_PropertyPanel.h>
  27 #include <QToolButton>
  28
  29 #include <QMessageBox>
  30 #include <QApplication>
  31 #include <QKeyEvent>
  32
  33 //#define DEBUG_CURRENT_FEATURE
  34
  35 /// Processes "Delete" key event of application. This key is used by several application actions.
  36 /// There is a logical order of the actions processing. So the key can not be set for actions
  37 /// as a shortcut. The class listens the key event and call operation manager processor.
  38 class XGUI_ShortCutListener : public QObject
  39 {
  40 public:
  41   /// Constructor
  42   /// \param theParent the parent to be deleted when the parent is deleted
  43   /// \param theOperationMgr the class to perform deletion
  44   XGUI_ShortCutListener(QObject* theParent, XGUI_OperationMgr* theOperationMgr)
  45     : QObject(theParent), myOperationMgr(theOperationMgr)
  46   {
  47     qApp->installEventFilter(this);
  48   }
  49   ~XGUI_ShortCutListener() {}
  50
  51   /// Switch on short cut listener
  52   void setActive(const bool theIsActive) { myIsActive = theIsActive; }
  53
  54   /// Redefinition of virtual function to process Delete key release
  55   virtual bool eventFilter(QObject *theObject, QEvent *theEvent)
  56   {
  57     bool isAccepted = false;
  58     if (myIsActive && theEvent->type() == QEvent::KeyRelease) {
  59       QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
  60       if(aKeyEvent) {
  61         switch (aKeyEvent->key()) {
  62           case Qt::Key_Delete: {
  63             isAccepted = myOperationMgr->onProcessDelete(theObject);
  64           }
  65         }
  66       }
  67     }
  68     if (!isAccepted)
  69       isAccepted = QObject::eventFilter(theObject, theEvent);
  70     return isAccepted;
  71   }
  72
  73 private:
  74   XGUI_OperationMgr* myOperationMgr; /// processor for key event
  75   bool myIsActive; /// boolean state whether the event filter perform own signal processing
  76 };
  77
  78 XGUI_OperationMgr::XGUI_OperationMgr(QObject* theParent,
  79                                      ModuleBase_IWorkshop* theWorkshop)
  80 : QObject(theParent), myWorkshop(theWorkshop)
  81 {
  82   /// we need to install filter to the application in order to react to 'Delete' key button
  83   /// this key can not be a short cut for a corresponded action because we need to set
  84   /// the actions priority
  85   myShortCutListener = new XGUI_ShortCutListener(theParent, this);
  86 }
  87
  88 XGUI_OperationMgr::~XGUI_OperationMgr()
  89 {
  90 }
  91
  92 void XGUI_OperationMgr::activate()
  93 {
  94   myShortCutListener->setActive(true);
  95 }
  96
  97 void XGUI_OperationMgr::deactivate()
  98 {
  99   myShortCutListener->setActive(false);
 100 }
 101
 102 ModuleBase_Operation* XGUI_OperationMgr::currentOperation() const
 103 {
 104   return myOperations.count() > 0 ? myOperations.last() : 0;
 105 }
 106
 107 bool XGUI_OperationMgr::isCurrentOperation(ModuleBase_Operation* theOperation)
 108 {
 109   if(!hasOperation())
 110     return false;
 111   return currentOperation() == theOperation;
 112 }
 113
 114 bool XGUI_OperationMgr::hasOperation() const
 115 {
 116   return !myOperations.isEmpty() && (myOperations.last() != NULL);
 117 }
 118
 119 bool XGUI_OperationMgr::hasOperation(const QString& theId) const
 120 {
 121   foreach(ModuleBase_Operation* aOp, myOperations) {
 122     if (aOp->id() == theId)
 123       return true;
 124   }
 125   return false;
 126 }
 127
 128 ModuleBase_Operation* XGUI_OperationMgr::findOperation(const QString& theId) const
 129 {
 130   foreach(ModuleBase_Operation* aOp, myOperations) {
 131     if (aOp->id() == theId)
 132       return aOp;
 133   }
 134   return 0;
 135 }
 136
 137
 138 int XGUI_OperationMgr::operationsCount() const
 139 {
 140   return myOperations.count();
 141 }
 142
 143 QStringList XGUI_OperationMgr::operationList() const
 144 {
 145   QStringList result;
 146   foreach(ModuleBase_Operation* eachOperation, myOperations) {
 147     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(eachOperation);
 148     if (aFOperation) {
 149       FeaturePtr aFeature = aFOperation->feature();
 150       if(aFeature) {
 151         result << QString::fromStdString(aFeature->getKind());
 152       }
 153     }
 154   }
 155   return result;
 156 }
 157
 158 ModuleBase_Operation* XGUI_OperationMgr::previousOperation(ModuleBase_Operation* theOperation) const
 159 {
 160   int idx = myOperations.lastIndexOf(theOperation);
 161   if(idx == -1 || idx == 0) {
 162     return NULL;
 163   }
 164   return myOperations.at(idx - 1);
 165 }
 166
 167 bool XGUI_OperationMgr::eventFilter(QObject *theObject, QEvent *theEvent)
 168 {
 169   bool isAccepted = false;
 170   if (theEvent->type() == QEvent::KeyRelease) {
 171     QKeyEvent* aKeyEvent = dynamic_cast<QKeyEvent*>(theEvent);
 172     if(aKeyEvent)
 173       isAccepted = onKeyReleased(theObject, aKeyEvent);
 174   }
 175   if (!isAccepted)
 176     isAccepted = QObject::eventFilter(theObject, theEvent);
 177
 178   return isAccepted;
 179 }
 180
 181 bool XGUI_OperationMgr::startOperation(ModuleBase_Operation* theOperation)
 182 {
 183   if (hasOperation())
 184     currentOperation()->postpone();
 185   myOperations.append(theOperation);
 186
 187   connect(theOperation, SIGNAL(beforeStarted()), SLOT(onBeforeOperationStarted()));
 188   connect(theOperation, SIGNAL(beforeAborted()), SLOT(onBeforeOperationAborted()));
 189   connect(theOperation, SIGNAL(beforeCommitted()), SLOT(onBeforeOperationCommitted()));
 190
 191   connect(theOperation, SIGNAL(started()), SLOT(onOperationStarted()));
 192   connect(theOperation, SIGNAL(aborted()), SLOT(onOperationAborted()));
 193   connect(theOperation, SIGNAL(committed()), SLOT(onOperationCommitted()));
 194
 195   connect(theOperation, SIGNAL(stopped()), SLOT(onOperationStopped()));
 196   connect(theOperation, SIGNAL(resumed()), SLOT(onOperationResumed()));
 197   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 198                                                                         (theOperation);
 199   if (aFOperation)
 200     connect(aFOperation, SIGNAL(activatedByPreselection()),
 201             SIGNAL(operationActivatedByPreselection()));
 202
 203   bool isStarted = theOperation->start();
 204   if (isStarted)
 205     onValidateOperation();
 206   return isStarted;
 207 }
 208
 209 bool XGUI_OperationMgr::abortAllOperations()
 210 {
 211   bool aResult = true;
 212   if(!hasOperation())
 213     return aResult;
 214
 215   if (operationsCount() == 1) {
 216     ModuleBase_Operation* aCurrentOperation = currentOperation();
 217     if (canStopOperation(aCurrentOperation)) {
 218       abortOperation(aCurrentOperation);
 219     }
 220     else
 221       aResult = false;
 222   }
 223   else {
 224     aResult = QMessageBox::question(qApp->activeWindow(),
 225                                     tr("Abort operation"),
 226                                     tr("All active operations will be aborted."),
 227                                     QMessageBox::Ok | QMessageBox::Cancel,
 228                                     QMessageBox::Cancel) == QMessageBox::Ok;
 229     while(aResult && hasOperation()) {
 230       abortOperation(currentOperation());
 231     }
 232   }
 233   return aResult;
 234 }
 235
 236 bool XGUI_OperationMgr::commitAllOperations()
 237 {
 238   bool isCompositeCommitted = false;
 239   while (hasOperation()) {
 240     ModuleBase_Operation* anOperation = currentOperation();
 241     if (workshop()->errorMgr()->isApplyEnabled()) {
 242       onCommitOperation();
 243     } else {
 244       abortOperation(anOperation);
 245     }
 246     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 247                                                                             (anOperation);
 248     if (aFOperation) {
 249       FeaturePtr aFeature = aFOperation->feature();
 250       CompositeFeaturePtr aComposite =
 251           std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeature);
 252       isCompositeCommitted = aComposite.get();
 253       if (isCompositeCommitted)
 254         break;
 255     }
 256   }
 257   return true;
 258 }
 259
 260 void XGUI_OperationMgr::onValidateOperation()
 261 {
 262   if (!hasOperation())
 263     return;
 264   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
 265                                                                           (currentOperation());
 266   if(aFOperation && aFOperation->feature().get())
 267     workshop()->errorMgr()->updateActions(aFOperation->feature());
 268 }
 269
 270 void XGUI_OperationMgr::updateApplyOfOperations(ModuleBase_Operation* theOperation)
 271 {
 272   XGUI_ErrorMgr* anErrorMgr = workshop()->errorMgr();
 273   if (theOperation) {
 274     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
 275     if (aFOperation)
 276       anErrorMgr->updateAcceptAllAction(aFOperation->feature());
 277   }
 278   else {
 279     foreach(ModuleBase_Operation* anOperation, myOperations) {
 280       if (anOperation)
 281         updateApplyOfOperations(anOperation);
 282     }
 283   }
 284 }
 285
 286 bool XGUI_OperationMgr::canStopOperation(ModuleBase_Operation* theOperation)
 287 {
 288   //in case of nested (sketch) operation no confirmation needed
 289   if (isGrantedOperation(theOperation->id()))
 290     return true;
 291   if (theOperation && theOperation->isModified()) {
 292     QString aMessage = tr("%1 operation will be aborted.").arg(theOperation->id());
 293     int anAnswer = QMessageBox::question(qApp->activeWindow(),
 294                                          tr("Abort operation"),
 295                                          aMessage,
 296                                          QMessageBox::Ok | QMessageBox::Cancel,
 297                                          QMessageBox::Cancel);
 298     return anAnswer == QMessageBox::Ok;
 299   }
 300   return true;
 301 }
 302
 303 bool XGUI_OperationMgr::commitOperation()
 304 {
 305   if (hasOperation() && currentOperation()->isValid()) {
 306     onCommitOperation();
 307     return true;
 308   }
 309   return false;
 310 }
 311
 312 void XGUI_OperationMgr::resumeOperation(ModuleBase_Operation* theOperation)
 313 {
 314   theOperation->resume();
 315 }
 316
 317 bool XGUI_OperationMgr::isGrantedOperation(const QString& theId)
 318 {
 319   bool isGranted = false;
 320
 321   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 322   anIt.toBack();
 323   ModuleBase_Operation* aPreviousOperation = 0;
 324   while (anIt.hasPrevious() && !isGranted) {
 325     ModuleBase_Operation* anOp = anIt.previous();
 326     if (anOp)
 327       isGranted = anOp->isGranted(theId);
 328   }
 329   return isGranted;
 330 }
 331
 332 void XGUI_OperationMgr::setCurrentFeature(const FeaturePtr& theFeature)
 333 {
 334   SessionPtr aMgr = ModelAPI_Session::get();
 335   DocumentPtr aDoc = aMgr->activeDocument();
 336   bool aIsOp = aMgr->isOperation();
 337   if (!aIsOp)
 338     aMgr->startOperation();
 339   aDoc->setCurrentFeature(theFeature, false);
 340   if (!aIsOp)
 341     aMgr->finishOperation();
 342 }
 343
 344 bool XGUI_OperationMgr::canStartOperation(const QString& theId)
 345 {
 346   bool aCanStart = true;
 347   ModuleBase_Operation* aCurrentOp = currentOperation();
 348   if (aCurrentOp) {
 349     bool aGranted = aCurrentOp->isGranted(theId);
 350     // the started operation is granted for the current one,
 351     // e.g. current - Sketch, started - Line
 352     if (aGranted) {
 353       aCanStart = true;
 354     }
 355     else {
 356       if (!isGrantedOperation(theId)) {
 357         // the operation is not granted in the current list of operations
 358         // e.g. Edit Parameter when Sketch, Line in Sketch is active.
 359         aCanStart = abortAllOperations();
 360       }
 361       else if (canStopOperation(aCurrentOp)) {
 362         // the started operation is granted in the parrent operation,
 363         // e.g. current - Line in Sketch, started Circle
 364         if (workshop()->errorMgr()->isApplyEnabled() && aCurrentOp->isModified())
 365           aCurrentOp->commit();
 366         else
 367           abortOperation(aCurrentOp);
 368       } else {
 369         aCanStart = false;
 370       }
 371     }
 372   }
 373   return aCanStart;
 374 }
 375
 376 void XGUI_OperationMgr::abortOperation(ModuleBase_Operation* theOperation)
 377 {
 378   ModuleBase_Operation* aCurrentOperation = currentOperation();
 379   if (theOperation == aCurrentOperation)
 380     theOperation->abort();
 381   else {
 382     // it is possible to trigger upper operation(e.g. sketch, current is sketch line)
 383     // all operation from the current to triggered should also be aborted
 384     // operations over the parameter one are not aborted(e.g. extrusion cut, sketch abort)
 385     while(hasOperation()) {
 386       ModuleBase_Operation* aCurrentOperation = currentOperation();
 387       aCurrentOperation->abort();
 388       if(theOperation == aCurrentOperation)
 389         break;
 390     }
 391   }
 392 }
 393
 394 void XGUI_OperationMgr::onCommitOperation()
 395 {
 396   ModuleBase_Operation* anOperation = currentOperation();
 397   if (anOperation)
 398     anOperation->commit();
 399 }
 400
 401 void XGUI_OperationMgr::onAbortOperation()
 402 {
 403   ModuleBase_Operation* aCurrentOperation = currentOperation();
 404   if (aCurrentOperation && canStopOperation(aCurrentOperation)) {
 405     abortOperation(aCurrentOperation);
 406   }
 407 }
 408
 409 void XGUI_OperationMgr::onBeforeOperationStarted()
 410 {
 411   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 412   if (!aCurrentOperation)
 413     return;
 414
 415   /// Set current feature and remeber old current feature
 416   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 417   if (aFOperation) {
 418     SessionPtr aMgr = ModelAPI_Session::get();
 419     DocumentPtr aDoc = aMgr->activeDocument();
 420     // the parameter of current feature should be false, we should use all feature, not only visible
 421     // in order to correctly save the previous feature of the nested operation, where the
 422     // features can be not visible in the tree. The problem case is Edit sketch entitity(line)
 423     // in the Sketch, created in ExtrusionCut operation. The entity disappears by commit.
 424     // When sketch entity operation started, the sketch should be cashed here as the current.
 425     // Otherwise(the flag is true), the ExtrusionCut is cashed, when commit happens, the sketch
 426     // is disabled, sketch entity is disabled as extrusion cut is created earliest then sketch.
 427     // As a result the sketch disappears from the viewer. However after commit it is displayed back.
 428     aFOperation->setPreviousCurrentFeature(aDoc->currentFeature(false));
 429
 430 #ifdef DEBUG_CURRENT_FEATURE
 431     FeaturePtr aFeature = aFOperation->feature();
 432     QString aKind = aFeature ? aFeature->getKind().c_str() : "";
 433     qDebug(QString("onBeforeOperationStarted(), edit operation = %1, feature = %2")
 434             .arg(aFOperation->isEditOperation())
 435             .arg(ModuleBase_Tools::objectInfo(aFeature)).toStdString().c_str());
 436
 437     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 438             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 439 #endif
 440
 441     if (aFOperation->isEditOperation()) // it should be performed by the feature edit only
 442       // in create operation, the current feature is changed by addFeature()
 443       aDoc->setCurrentFeature(aFOperation->feature(), false);
 444
 445 #ifdef DEBUG_CURRENT_FEATURE
 446     qDebug("\tdocument->setCurrentFeature");
 447     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 448             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 449 #endif
 450   ModuleBase_IModule* aModule = myWorkshop->module();
 451   if (aModule)
 452     aModule->beforeOperationStarted(aFOperation);
 453   }
 454 }
 455
 456 void XGUI_OperationMgr::onOperationStarted()
 457 {
 458   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 459   updateApplyOfOperations(aSenderOperation);
 460   emit operationStarted(aSenderOperation);
 461 }
 462
 463 void XGUI_OperationMgr::onBeforeOperationAborted()
 464 {
 465   onBeforeOperationCommitted();
 466 }
 467
 468 void XGUI_OperationMgr::onOperationAborted()
 469 {
 470   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 471   emit operationAborted(aSenderOperation);
 472 }
 473
 474 void XGUI_OperationMgr::onBeforeOperationCommitted()
 475 {
 476   ModuleBase_Operation* aCurrentOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 477   if (!aCurrentOperation)
 478     return;
 479
 480   /// Restore the previous current feature
 481   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(aCurrentOperation);
 482   if (aFOperation) {
 483 #ifdef DEBUG_CURRENT_FEATURE
 484     QString aKind = aFOperation->feature()->getKind().c_str();
 485     qDebug(QString("onBeforeOperationCommitted(), edit operation = %1, feature = %2")
 486             .arg(aFOperation->isEditOperation())
 487             .arg(ModuleBase_Tools::objectInfo(aFOperation->feature())).toStdString().c_str());
 488
 489     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 490             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 491 #endif
 492
 493     if (aFOperation->isEditOperation()) {
 494       /// Restore the previous current feature
 495       setCurrentFeature(aFOperation->previousCurrentFeature());
 496     }
 497     else { // create operation
 498       // the Top created feature should stays the current. In nested operations, like Line in the Sketch or
 499       // Sketch in ExtrusionCut, a previous feature should be restored on commit. It is performed here
 500       // in order to perform it in the current transaction without opening a new one.
 501       if (myOperations.front() != aFOperation)
 502         setCurrentFeature(aFOperation->previousCurrentFeature());
 503     }
 504 #ifdef DEBUG_CURRENT_FEATURE
 505     qDebug("\tdocument->setCurrentFeature");
 506     qDebug(QString("\tdocument->currentFeature(false) = %1").arg(
 507             ModuleBase_Tools::objectInfo(ModelAPI_Session::get()->activeDocument()->currentFeature(false))).toStdString().c_str());
 508 #endif
 509     ModuleBase_IModule* aModule = myWorkshop->module();
 510     if (aModule)
 511       aModule->beforeOperationStopped(aFOperation);
 512   }
 513 }
 514
 515 void XGUI_OperationMgr::onOperationCommitted()
 516 {
 517   // apply state for all features from the stack of operations should be updated
 518   updateApplyOfOperations();
 519
 520   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 521   emit operationCommitted(aSenderOperation);
 522 }
 523
 524 void XGUI_OperationMgr::onOperationResumed()
 525 {
 526   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 527   emit operationResumed(aSenderOperation);
 528 }
 529
 530 void XGUI_OperationMgr::onOperationStopped()
 531 {
 532   ModuleBase_Operation* aSenderOperation = dynamic_cast<ModuleBase_Operation*>(sender());
 533   ModuleBase_Operation* aCurrentOperation = currentOperation();
 534   if (!aSenderOperation || !aCurrentOperation || aSenderOperation != aCurrentOperation)
 535     return;
 536
 537   myOperations.removeAll(aCurrentOperation);
 538   aCurrentOperation->deleteLater();
 539
 540   emit operationStopped(aCurrentOperation);
 541
 542   // get last operation which can be resumed
 543   ModuleBase_Operation* aResultOp = 0;
 544   QListIterator<ModuleBase_Operation*> anIt(myOperations);
 545   anIt.toBack();
 546   while (anIt.hasPrevious()) {
 547     ModuleBase_Operation* anOp = anIt.previous();
 548     if (anOp) {
 549       aResultOp = anOp;
 550       break;
 551     }
 552   }
 553   if (aResultOp) {
 554     bool isModified = aCurrentOperation->isModified();
 555     aResultOp->setIsModified(aResultOp->isModified() || isModified);
 556     resumeOperation(aResultOp);
 557     onValidateOperation();
 558   }
 559 }
 560
 561 bool XGUI_OperationMgr::onKeyReleased(QObject *theObject, QKeyEvent* theEvent)
 562 {
 563   // Let the manager decide what to do with the given key combination.
 564   ModuleBase_Operation* anOperation = currentOperation();
 565   bool isAccepted = false;
 566   switch (theEvent->key()) {
 567     case Qt::Key_Return:
 568     case Qt::Key_Enter: {
 569       isAccepted = onProcessEnter(theObject);
 570     }
 571     break;
 572     case Qt::Key_N:
 573     case Qt::Key_P: {
 574       bool noModifiers = (theEvent->modifiers() == Qt::NoModifier);
 575       if (noModifiers) {
 576         ModuleBase_IViewer* aViewer = myWorkshop->viewer();
 577         Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
 578         if (!aContext.IsNull()) {
 579           Handle(V3d_View) aView = aViewer->activeView();
 580           if ((theEvent->key() == Qt::Key_N))
 581             aContext->HilightNextDetected(aView);
 582           else if ((theEvent->key() == Qt::Key_P))
 583             aContext->HilightPreviousDetected(aView);
 584         }
 585       }
 586     }
 587     break;
 588     break;
 589     default:
 590       isAccepted = false;
 591       break;
 592   }
 593   //if(anOperation) {
 594   //  anOperation->keyReleased(theEvent->key());
 595   //}
 596   return isAccepted;
 597 }
 598
 599 bool XGUI_OperationMgr::onProcessEnter(QObject* theObject)
 600 {
 601   bool isAccepted = false;
 602   ModuleBase_Operation* aOperation = currentOperation();
 603   ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
 604   // only property panel enter is processed in order to do not process enter in application dialogs
 605   bool isPPChild = isChildObject(theObject, aPanel);
 606   if (!isPPChild)
 607     return isAccepted;
 608
 609   ModuleBase_ModelWidget* anActiveWgt = aPanel->activeWidget();
 610   bool isAborted = false;
 611   if (!anActiveWgt) {
 612     QWidget* aFocusWidget = aPanel->focusWidget();
 613     QToolButton* aCancelBtn = aPanel->findChild<QToolButton*>(PROP_PANEL_CANCEL);
 614     if (aFocusWidget && aCancelBtn && aFocusWidget == aCancelBtn) {
 615       abortOperation(aOperation);
 616       isAccepted = true;
 617       isAborted = true;
 618     }
 619   }
 620   if (!isAborted) {
 621     isAccepted = anActiveWgt && anActiveWgt->processEnter();
 622     if (!isAccepted) {
 623       isAccepted = myWorkshop->module()->processEnter(anActiveWgt ? anActiveWgt->attributeID() : "");
 624       if (!isAccepted) {
 625         /// functionality is similar to Apply click
 626         ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(currentOperation());
 627         if (!aFOperation || myWorkshop->module()->getFeatureError(aFOperation->feature()).isEmpty()) {
 628           // key released is emitted to apply the current value to the model if it was modified in PP
 629           emit keyEnterReleased();
 630           commitOperation();
 631           isAccepted = true;
 632         }
 633         else
 634           isAccepted = false;
 635       }
 636     }
 637   }
 638   return isAccepted;
 639 }
 640
 641 bool XGUI_OperationMgr::onProcessDelete(QObject* theObject)
 642 {
 643   bool isAccepted = false;
 644   ModuleBase_Operation* aOperation = currentOperation();
 645   ModuleBase_ModelWidget* anActiveWgt = 0;
 646   // firstly the widget should process Delete action
 647   ModuleBase_IPropertyPanel* aPanel;
 648   bool isPPChildObject = false;
 649   if (aOperation) {
 650     aPanel = aOperation->propertyPanel();
 651     if (aPanel) {
 652       isPPChildObject = isChildObject(theObject, aPanel);
 653       // process delete in active widget only if delete sender is child of property panel
 654       // it is necessary for the case when OB is shown, user perform selection and click Delete
 655       if (isPPChildObject) {
 656         anActiveWgt = aPanel->activeWidget();
 657         if (anActiveWgt) {
 658           isAccepted = anActiveWgt->processDelete();
 659         }
 660       }
 661     }
 662   }
 663   if (!isAccepted) {
 664     // after widget, object browser and viewer should process delete
 665     /// other widgets such as line edit controls should not lead to
 666     /// processing delete by workshop
 667     XGUI_ObjectsBrowser* aBrowser = workshop()->objectBrowser();
 668     QWidget* aViewPort = myWorkshop->viewer()->activeViewPort();
 669     // property panel child object is processed to process delete performed on Apply button of PP
 670     if (isChildObject(theObject, aBrowser) ||
 671         isChildObject(theObject, aViewPort) ||
 672         isPPChildObject)
 673       workshop()->deleteObjects();
 674     isAccepted = true;
 675   }
 676
 677   return isAccepted;
 678 }
 679
 680 XGUI_Workshop* XGUI_OperationMgr::workshop() const
 681 {
 682   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 683   return aConnector->workshop();
 684 }
 685
 686 bool XGUI_OperationMgr::isChildObject(const QObject* theObject, const QObject* theParent)
 687 {
 688   bool isPPChild = false;
 689   if (theParent && theObject) {
 690     QObject* aParent = (QObject*)theObject;
 691     while (aParent ) {
 692       isPPChild = aParent == theParent;
 693       if (isPPChild)
 694         break;
 695       aParent = aParent->parent();
 696     }
 697   }
 698   return isPPChild;
 699 }