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