src/XGUI/XGUI_WorkshopListener.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 #include "XGUI_WorkshopListener.h"
   4 #include "XGUI_Workshop.h"
   5 #include "XGUI_Displayer.h"
   6 #include "XGUI_OperationMgr.h"
   7 #include "XGUI_SalomeConnector.h"
   8 #include "XGUI_ActionsMgr.h"
   9 #include "XGUI_PropertyPanel.h"
  10 #include "XGUI_ModuleConnector.h"
  11 #include "XGUI_QtEvents.h"
  12
  13 #include <AppElements_Workbench.h>
  14 #include <AppElements_Command.h>
  15 #include <AppElements_MainMenu.h>
  16 #include <AppElements_MainWindow.h>
  17 #include <AppElements_MenuGroupPanel.h>
  18 #include <AppElements_Button.h>
  19
  20 #include <ModuleBase_IModule.h>
  21
  22 #include <ModelAPI_Object.h>
  23 #include <ModelAPI_Events.h>
  24 #include <ModelAPI_Session.h>
  25 #include <ModelAPI_Result.h>
  26 #include <ModelAPI_Feature.h>
  27 #include <ModelAPI_Data.h>
  28 #include <ModelAPI_ResultBody.h>
  29 #include <ModelAPI_ResultCompSolid.h>
  30 #include <ModelAPI_Tools.h>
  31
  32 #include <Events_Loop.h>
  33 #include <Events_Error.h>
  34 #include <Events_LongOp.h>
  35
  36 #include <ModuleBase_IWorkshop.h>
  37
  38 #include <ModuleBase_Operation.h>
  39 #include <ModuleBase_OperationDescription.h>
  40 #include <ModuleBase_Tools.h>
  41 #include <ModuleBase_IViewer.h>
  42 #include <ModuleBase_FilterFactory.h>
  43
  44 #include <Config_FeatureMessage.h>
  45 #include <Config_PointerMessage.h>
  46 #include <Config_SelectionFilterMessage.h>
  47
  48 #include <QApplication>
  49 #include <QMainWindow>
  50 #include <QThread>
  51 #include <QAction>
  52
  53 #ifdef _DEBUG
  54 #include <QDebug>
  55 #include <iostream>
  56 #endif
  57
  58 //#define DEBUG_FEATURE_CREATED
  59 //#define DEBUG_FEATURE_REDISPLAY
  60 //#define DEBUG_RESULT_COMPSOLID
  61
  62 XGUI_WorkshopListener::XGUI_WorkshopListener(ModuleBase_IWorkshop* theWorkshop)
  63   : myWorkshop(theWorkshop),
  64     myUpdatePrefs(false)
  65 {
  66 }
  67
  68 //******************************************************
  69 XGUI_WorkshopListener::~XGUI_WorkshopListener(void)
  70 {
  71 }
  72
  73 //******************************************************
  74 void XGUI_WorkshopListener::initializeEventListening()
  75 {
  76   //Initialize event listening
  77   Events_Loop* aLoop = Events_Loop::loop();
  78   aLoop->registerListener(this, Events_Error::errorID());  //!< Listening application errors.
  79   aLoop->registerListener(this, Events_Loop::eventByName(Config_FeatureMessage::GUI_EVENT()));
  80   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OPERATION_LAUNCHED));
  81   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
  82   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
  83   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
  84   aLoop->registerListener(this, Events_LongOp::eventID());
  85   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_PLUGIN_LOADED));
  86   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_SELFILTER_LOADED));
  87
  88   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED));
  89   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED));
  90 }
  91
  92 //******************************************************
  93 void XGUI_WorkshopListener::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  94 {
  95   if (QApplication::instance()->thread() != QThread::currentThread()) {
  96     #ifdef _DEBUG
  97     std::cout << "XGUI_Workshop::processEvent: " << "Working in another thread." << std::endl;
  98     #endif
  99     SessionPtr aMgr = ModelAPI_Session::get();
 100     PostponeMessageQtEvent* aPostponeEvent = new PostponeMessageQtEvent(theMessage);
 101     QApplication::postEvent(this, aPostponeEvent);
 102     return;
 103   }
 104
 105   //A message to start feature creation received.
 106   if (theMessage->eventID() == Events_Loop::loop()->eventByName(Config_FeatureMessage::GUI_EVENT())) {
 107     std::shared_ptr<Config_FeatureMessage> aFeatureMsg =
 108        std::dynamic_pointer_cast<Config_FeatureMessage>(theMessage);
 109     if (!aFeatureMsg->isInternal()) {
 110       addFeature(aFeatureMsg);
 111     }
 112   }
 113   // Process creation of Part
 114   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
 115     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
 116         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 117     onFeatureCreatedMsg(aUpdMsg);
 118     if (myUpdatePrefs) {
 119       XGUI_SalomeConnector* aSalomeConnector = workshop()->salomeConnector();
 120       if (aSalomeConnector)
 121         aSalomeConnector->createPreferences();
 122       myUpdatePrefs = false;
 123     }
 124   }
 125   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_PLUGIN_LOADED)) {
 126     myUpdatePrefs = true;
 127   }
 128   // Redisplay feature
 129   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
 130     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
 131         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 132     onFeatureRedisplayMsg(aUpdMsg);
 133   }
 134   //Update property panel on corresponding message. If there is no current operation (no
 135   //property panel), or received message has different feature to the current - do nothing.
 136   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
 137     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
 138         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
 139     onFeatureUpdatedMsg(anUpdateMsg);
 140   } else if (theMessage->eventID() == Events_LongOp::eventID()) {
 141     if (Events_LongOp::isPerformed()) {
 142       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
 143     } else {
 144       QApplication::restoreOverrideCursor();
 145     }
 146   }
 147   //An operation passed by message. Start it, process and commit.
 148   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
 149     std::shared_ptr<Config_PointerMessage> aPartSetMsg =
 150         std::dynamic_pointer_cast<Config_PointerMessage>(theMessage);
 151     //myPropertyPanel->cleanContent();
 152     ModuleBase_Operation* anOperation = (ModuleBase_Operation*) aPartSetMsg->pointer();
 153     XGUI_OperationMgr* anOperationMgr = workshop()->operationMgr();
 154
 155     if (anOperationMgr->startOperation(anOperation)) {
 156       workshop()->propertyPanel()->updateContentWidget(anOperation->feature());
 157       if (!anOperation->getDescription()->hasXmlRepresentation()) {
 158         if (anOperation->commit())
 159           workshop()->updateCommandStatus();
 160       }
 161     }
 162   }
 163   else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_SELFILTER_LOADED)) {
 164     std::shared_ptr<Config_SelectionFilterMessage> aMsg =
 165       std::dynamic_pointer_cast<Config_SelectionFilterMessage>(theMessage);
 166     if (aMsg) {
 167       ModuleBase_FilterFactory* aFactory = myWorkshop->selectionFilters();
 168       if (!aMsg->attributeId().empty()) {
 169         aFactory->assignFilter(aMsg->selectionFilterId(), aMsg->featureId(), aMsg->attributeId(),
 170                                aMsg->parameters());
 171       }
 172     }
 173   } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)) {
 174     // the viewer's update context will not happens until viewer updated is emitted
 175       workshop()->displayer()->enableUpdateViewer(false);
 176   } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)) {
 177     // the viewer's update context is unblocked, the viewer's update works
 178     XGUI_Displayer* aDisplayer = workshop()->displayer();
 179     aDisplayer->enableUpdateViewer(true);
 180     aDisplayer->updateViewer();
 181   } else {
 182     //Show error dialog if error message received.
 183     std::shared_ptr<Events_Error> anAppError = std::dynamic_pointer_cast<Events_Error>(theMessage);
 184     if (anAppError) {
 185       emit errorOccurred(QString::fromLatin1(anAppError->description()));
 186     }
 187     return;
 188   }
 189   if (!workshop()->isSalomeMode()) {
 190     SessionPtr aMgr = ModelAPI_Session::get();
 191     AppElements_MainWindow* aMainWindow = workshop()->mainWindow();
 192     if (aMgr->isModified() != aMainWindow->isModifiedState())
 193       aMainWindow->setModifiedState(aMgr->isModified());
 194   }
 195 }
 196
 197 //******************************************************
 198 void XGUI_WorkshopListener::onFeatureUpdatedMsg(const std::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 199 {
 200   std::set<ObjectPtr> aFeatures = theMsg->objects();
 201   XGUI_OperationMgr* anOperationMgr = workshop()->operationMgr();
 202   if (anOperationMgr->hasOperation()) {
 203     FeaturePtr aCurrentFeature = anOperationMgr->currentOperation()->feature();
 204     std::set<ObjectPtr>::const_iterator aIt;
 205     for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
 206       ObjectPtr aNewFeature = (*aIt);
 207       if (aNewFeature == aCurrentFeature) {
 208         workshop()->propertyPanel()->updateContentWidget(aCurrentFeature);
 209         break;
 210       }
 211     }
 212   }
 213   anOperationMgr->onValidateOperation();
 214   //if (myObjectBrowser)
 215   //  myObjectBrowser->processEvent(theMsg);
 216 }
 217
 218 //******************************************************
 219 void XGUI_WorkshopListener::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 220 {
 221   std::set<ObjectPtr> aObjects = theMsg->objects();
 222   std::set<ObjectPtr>::const_iterator aIt;
 223
 224 #ifdef DEBUG_FEATURE_REDISPLAY
 225   QStringList anInfo;
 226   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 227     anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
 228   }
 229   QString anInfoStr = anInfo.join(";\t");
 230   qDebug(QString("onFeatureRedisplayMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
 231 #endif
 232
 233   XGUI_Workshop* aWorkshop = workshop();
 234   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 235   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 236     ObjectPtr aObj = (*aIt);
 237
 238     // Hide the object if it is invalid or concealed one
 239     bool aHide = !aObj->data() || !aObj->data()->isValid() ||
 240       aObj->isDisabled() || (!aObj->isDisplayed());
 241     if (!aHide) { // check that this is not hidden result
 242       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 243       aHide = aRes && aRes->isConcealed();
 244     }
 245 #ifdef DEBUG_RESULT_COMPSOLID
 246     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
 247     if (aRes.get()) {
 248       ResultCompSolidPtr aCompSolidRes = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 249       if (aCompSolidRes.get()) {
 250           qDebug(QString("COMPSOLID, numberOfSubs = %1").arg(aCompSolidRes->numberOfSubs()).toStdString().c_str());
 251       }
 252       if (ModelAPI_Tools::compSolidOwner(aRes))
 253         qDebug("COMPSOLID sub-object");
 254     }
 255 #endif
 256     if (aHide) {
 257       aDisplayer->erase(aObj, false);
 258       #ifdef DEBUG_FEATURE_REDISPLAY
 259         // Redisplay the visible object or the object of the current operation
 260         bool isVisibleObject = aDisplayer->isVisible(aObj);
 261
 262         QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
 263         //qDebug(QString("visible=%1 : erase  = %2").arg(isVisibleObject).arg(anObjInfo).toStdString().c_str());
 264       #endif
 265     }
 266     else {
 267       // Redisplay the visible object or the object of the current operation
 268       bool isVisibleObject = aDisplayer->isVisible(aObj);
 269       #ifdef DEBUG_FEATURE_REDISPLAY
 270         QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
 271         //qDebug(QString("visible=%1 : display= %2").arg(isVisibleObject).arg(anObjInfo).toStdString().c_str());
 272         /*FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
 273         if (aFeature.get()) {
 274           std::string aKind = aFeature->getKind();
 275           if (aKind == "SketchMultiRotation")
 276             bool aValue = true;
 277         }*/
 278       #endif
 279
 280       if (isVisibleObject)  { // redisplay visible object
 281         //displayObject(aObj);  // In order to update presentation
 282         // in order to avoid the check whether the object can be redisplayed, the exact method
 283         // of redisplay is called. This modification is made in order to have the line is updated
 284         // by creation of a horizontal constraint on the line by preselection
 285         if (ModelAPI_Tools::hasSubResults(std::dynamic_pointer_cast<ModelAPI_Result>(aObj))) {
 286           aDisplayer->erase(aObj, false);
 287         }
 288         else {
 289           aDisplayer->redisplay(aObj, false);
 290           // Deactivate object of current operation from selection
 291           aWorkshop->deactivateActiveObject(aObj, false);
 292         }
 293       } else { // display object if the current operation has it
 294         if (displayObject(aObj)) {
 295           // Deactivate object of current operation from selection
 296           aWorkshop->deactivateActiveObject(aObj, false);
 297         }
 298       }
 299     }
 300   }
 301   aDisplayer->updateViewer();
 302 }
 303 //******************************************************
 304 void XGUI_WorkshopListener::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 305 {
 306   std::set<ObjectPtr> aObjects = theMsg->objects();
 307   std::set<ObjectPtr>::const_iterator aIt;
 308 #ifdef DEBUG_FEATURE_CREATED
 309   QStringList anInfo;
 310   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 311     anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
 312   }
 313   QString anInfoStr = anInfo.join(";\t");
 314   qDebug(QString("onFeatureCreatedMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
 315 #endif
 316
 317   //bool aHasPart = false;
 318   bool isDisplayed = false;
 319   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
 320     ObjectPtr anObject = *aIt;
 321
 322 #ifdef DEBUG_RESULT_COMPSOLID
 323     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
 324     if (aRes.get()) {
 325       ResultCompSolidPtr aCompSolidRes = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 326       if (aCompSolidRes.get()) {
 327           qDebug(QString("COMPSOLID, numberOfSubs = %1").arg(aCompSolidRes->numberOfSubs()).toStdString().c_str());
 328       }
 329       if (ModelAPI_Tools::compSolidOwner(aRes))
 330         qDebug("COMPSOLID sub-object");
 331     }
 332 #endif
 333     // the validity of the data should be checked here in order to avoid display of the objects,
 334     // which were created, then deleted, but flush for the creation event happens after that
 335     // we should not display disabled objects
 336     bool aHide = !anObject->data()->isValid() ||
 337                  anObject->isDisabled() ||
 338                  !anObject->isDisplayed();
 339     if (!aHide) {
 340       // setDisplayed has to be called in order to synchronize internal state of the object
 341       // with list of displayed objects
 342       if (myWorkshop->module()->canDisplayObject(anObject)) {
 343         anObject->setDisplayed(true);
 344         isDisplayed = displayObject(*aIt);
 345       } else
 346         anObject->setDisplayed(false);
 347     }
 348   }
 349   //if (myObjectBrowser)
 350   //  myObjectBrowser->processEvent(theMsg);
 351   if (isDisplayed)
 352     workshop()->displayer()->updateViewer();
 353   //if (aHasPart) { // TODO: Avoid activate last part on loading of document
 354   //  activateLastPart();
 355   //}
 356 }
 357
 358 bool XGUI_WorkshopListener::event(QEvent * theEvent)
 359 {
 360   PostponeMessageQtEvent* aPostponedEv = dynamic_cast<PostponeMessageQtEvent*>(theEvent);
 361   if (aPostponedEv) {
 362     std::shared_ptr<Events_Message> aEventPtr = aPostponedEv->postponedMessage();
 363     processEvent(aEventPtr);
 364     return true;
 365   }
 366   return false;
 367 }
 368
 369 void XGUI_WorkshopListener::addFeature(const std::shared_ptr<Config_FeatureMessage>& theMessage)
 370 {
 371   if (!theMessage) {
 372 #ifdef _DEBUG
 373     qDebug() << "XGUI_WorkshopListener::addFeature: NULL message.";
 374 #endif
 375     return;
 376   }
 377   ActionInfo aFeatureInfo;
 378   aFeatureInfo.initFrom(theMessage);
 379
 380   XGUI_Workshop* aWorkshop = workshop();
 381
 382   QString aWchName = QString::fromStdString(theMessage->workbenchId());
 383   QStringList aNestedFeatures =
 384       QString::fromStdString(theMessage->nestedFeatures()).split(" ", QString::SkipEmptyParts);
 385   QString aDocKind = QString::fromStdString(theMessage->documentKind());
 386   QList<QAction*> aNestedActList;
 387   bool isColumnButton = !aNestedFeatures.isEmpty();
 388   if (isColumnButton) {
 389     QString aNestedActions = QString::fromStdString(theMessage->actionsWhenNested());
 390     XGUI_OperationMgr* anOperationMgr = aWorkshop->operationMgr();
 391     XGUI_ActionsMgr* anActionsMgr = aWorkshop->actionsMgr();
 392     if (aNestedActions.contains("accept")) {
 393       QAction* anAction = anActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll, NULL);
 394       connect(anAction, SIGNAL(triggered()), anOperationMgr, SLOT(commitAllOperations()));
 395       aNestedActList << anAction;
 396     }
 397     if (aNestedActions.contains("abort")) {
 398       QAction* anAction = anActionsMgr->operationStateAction(XGUI_ActionsMgr::AbortAll, NULL);
 399       connect(anAction, SIGNAL(triggered()), anOperationMgr, SLOT(abortAllOperations()));
 400       aNestedActList << anAction;
 401     }
 402   }
 403
 404   if (aWorkshop->isSalomeMode()) {
 405     XGUI_SalomeConnector* aSalomeConnector = aWorkshop->salomeConnector();
 406     QAction* aAction;
 407     if (isColumnButton) {
 408       aAction = aSalomeConnector->addNestedFeature(aWchName, aFeatureInfo, aNestedActList);
 409     } else {
 410       //Issue #650: in the SALOME mode the tooltip should be same as text
 411       aFeatureInfo.toolTip = aFeatureInfo.text;
 412       aAction = aSalomeConnector->addFeature(aWchName, aFeatureInfo);
 413     }
 414     aSalomeConnector->setNestedActions(aFeatureInfo.id, aNestedFeatures);
 415     aSalomeConnector->setDocumentKind(aFeatureInfo.id, aDocKind);
 416
 417     aWorkshop->actionsMgr()->addCommand(aAction);
 418     aWorkshop->module()->actionCreated(aAction);
 419   } else {
 420     //Find or create Workbench
 421     AppElements_MainMenu* aMenuBar = aWorkshop->mainWindow()->menuObject();
 422     AppElements_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
 423     if (!aPage) {
 424       aPage = aWorkshop->addWorkbench(aWchName);
 425     }
 426     //Find or create Group
 427     QString aGroupName = QString::fromStdString(theMessage->groupId());
 428     AppElements_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
 429     if (!aGroup) {
 430       aGroup = aPage->addGroup(aGroupName);
 431     }
 432     // Check if hotkey sequence is already defined:
 433     XGUI_ActionsMgr* anActionsMgr = aWorkshop->actionsMgr();
 434     QKeySequence aHotKey = anActionsMgr->registerShortcut(aFeatureInfo.shortcut);
 435     if(aHotKey != aFeatureInfo.shortcut) {
 436       aFeatureInfo.shortcut = aHotKey;
 437     }
 438     // Create feature...
 439     AppElements_Command* aCommand = aGroup->addFeature(aFeatureInfo,
 440                                                        aDocKind,
 441                                                        aNestedFeatures);
 442     // Enrich created button with accept/abort buttons if necessary
 443     AppElements_Button* aButton = aCommand->button();
 444     if (aButton->isColumnButton()) {
 445       aButton->setAdditionalButtons(aNestedActList);
 446     }
 447     aWorkshop->actionsMgr()->addCommand(aCommand);
 448     aWorkshop->module()->actionCreated(aCommand);
 449   }
 450 }
 451
 452
 453 //**************************************************************
 454 bool XGUI_WorkshopListener::displayObject(ObjectPtr theObj)
 455 {
 456 #ifdef DEBUG_RESULT_COMPSOLID
 457   ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObj);
 458   if (aRes.get() && (ModelAPI_Tools::hasSubResults(aRes) || ModelAPI_Tools::compSolidOwner(aRes))) {
 459     ResultCompSolidPtr aCompSolidRes = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aRes);
 460     if (aCompSolidRes.get()) {
 461       qDebug("COMPSOLID: displayObject");
 462     }
 463   }
 464 #endif
 465
 466   XGUI_Workshop* aWorkshop = workshop();
 467   // do not display the object if it has sub objects. They should be displayed separately.
 468   if (!aWorkshop->module()->canDisplayObject(theObj) ||
 469       ModelAPI_Tools::hasSubResults(std::dynamic_pointer_cast<ModelAPI_Result>(theObj)))
 470     return false;
 471
 472   XGUI_Displayer* aDisplayer = aWorkshop->displayer();
 473   ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theObj);
 474   if (aBody.get() != NULL) {
 475     int aNb = aDisplayer->objectsCount();
 476     aDisplayer->display(theObj, false);
 477     if (aNb == 0)
 478       myWorkshop->viewer()->fitAll();
 479   } else
 480     aDisplayer->display(theObj, false);
 481
 482   return true;
 483 }
 484
 485 XGUI_Workshop* XGUI_WorkshopListener::workshop() const
 486 {
 487   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
 488   return aConnector->workshop();
 489 }