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Issue #3100: Restore state of hidden faces on Hide/Show an object
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index affabbd4b90f656ae8cb46d65311f387ae73b843..56e784cb5a590a093d6d5273d053e6db3255b4d4 100644 (file)
@@ -45,7 +45,6 @@
 #include "XGUI_Tools.h"
 #include "XGUI_ViewerProxy.h"
 #include "XGUI_WorkshopListener.h"
-#include <XGUI_CustomPrs.h>
 #include <XGUI_HistoryMenu.h>
 #include <XGUI_QtEvents.h>
 #include <XGUI_DataModel.h>
@@ -67,6 +66,7 @@
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_AttributeIntArray.h>
 #include <ModelAPI_AttributeDouble.h>
+#include <ModelAPI_AttributeString.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Feature.h>
 #include <Events_InfoMessage.h>
 #include <Events_LongOp.h>
 
+#include <ExchangePlugin_ExportPart.h>
+#include <ExchangePlugin_ImportPart.h>
+
 #include <GeomAPI_Pnt.h>
+#include <GeomAPI_ShapeExplorer.h>
 
 #include <ModuleBase_IModule.h>
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_WidgetFactory.h>
 #include <ModuleBase_OperationFeature.h>
-#include <ModuleBase_OperationAction.h>
 #include <ModuleBase_PagedContainer.h>
 #include <ModuleBase_WidgetValidated.h>
 #include <ModuleBase_ModelWidget.h>
@@ -168,6 +171,7 @@ static Handle(VInspector_CallBack) MyVCallBack;
 //#define DEBUG_WITH_MESSAGE_REPORT
 
 QString XGUI_Workshop::MOVE_TO_END_COMMAND = QObject::tr("Move to the end");
+QString XGUI_Workshop::MOVE_TO_END_SPLIT_COMMAND = QObject::tr("Move to the end and split");
 
 //#define DEBUG_DELETE
 //#define DEBUG_FEATURE_NAME
@@ -183,6 +187,8 @@ static QString MyFilter2(QObject::tr("CAD Builder files (*.cadbld)"));
 static QString MyExtension(".cadbld");
 #endif
 
+static QString MyImportPartFilter(QObject::tr("Part files (*.shaperpart);;All files (*.*)"));
+
 
 //******************************************************
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
@@ -274,21 +280,8 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
   connect(myEventsListener, SIGNAL(errorOccurred(std::shared_ptr<Events_InfoMessage>)),
           myErrorDlg, SLOT(addError(std::shared_ptr<Events_InfoMessage>)));
 
-  //Config_PropManager::registerProp("Visualization", "object_default_color", "Object color",
-  //                                 Config_Prop::Color, "225,225,225");
-
-  Config_PropManager::registerProp("Visualization", "result_body_color", "Result color",
-                                   Config_Prop::Color, ModelAPI_ResultBody::DEFAULT_COLOR());
-  Config_PropManager::registerProp("Visualization", "result_group_color", "Group color",
-                                   Config_Prop::Color, ModelAPI_ResultGroup::DEFAULT_COLOR());
-  Config_PropManager::registerProp("Visualization", "result_construction_color",
-                                   "Construction color",
-                                   Config_Prop::Color,
-                                   ModelAPI_ResultConstruction::DEFAULT_COLOR());
-  Config_PropManager::registerProp("Visualization", "result_part_color", "Part color",
-                                   Config_Prop::Color, ModelAPI_ResultPart::DEFAULT_COLOR());
-  Config_PropManager::registerProp("Visualization", "result_field_color", "Field color",
-                                   Config_Prop::Color, ModelAPI_ResultField::DEFAULT_COLOR());
+  Config_PropManager::registerProp("Visualization", "selection_color", "Selection color",
+    Config_Prop::Color, "255,255,255");
 
   if (ModuleBase_Preferences::resourceMgr()->booleanValue("Viewer", "face-selection", true))
     myViewerSelMode.append(TopAbs_FACE);
@@ -346,6 +339,15 @@ void XGUI_Workshop::startApplication()
   // Calling of  loadCustomProps before activating module is required
   // by Config_PropManger to restore user-defined path to plugins
   ModuleBase_Preferences::loadCustomProps();
+  std::vector<int> aColor;
+  try {
+    aColor = Config_PropManager::color("Visualization", "selection_color");
+  }
+  catch (...) {
+  }
+  if (aColor.size() == 3)
+    myDisplayer->setSelectionColor(aColor);
+
   createModule();
 
 #ifndef HAVE_SALOME
@@ -470,6 +472,19 @@ void XGUI_Workshop::initMenu()
   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
   salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
 
+  aAction = salomeConnector()->addDesktopCommand("EXPORT_PART_CMD", tr("Export part..."),
+                                          tr("Export a part of the current document into a file"),
+                                          QIcon(), QKeySequence(),
+                                          false, "MEN_DESK_FILE");
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onExportPart()));
+
+  aAction = salomeConnector()->addDesktopCommand("IMPORT_PART_CMD", tr("Import part..."),
+                                          tr("Import structure of a part"),
+                                          QIcon(), QKeySequence(),
+                                          false, "MEN_DESK_FILE");
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onImportPart()));
+  salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
+
 #else
   // File commands group
   AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
@@ -676,12 +691,11 @@ void XGUI_Workshop::fillPropertyPanel(ModuleBase_Operation* theOperation)
   if (!aFOperation)
     return;
 
-  showPanel(myPropertyPanel);
   myPropertyPanel->cleanContent();
 
   QList<ModuleBase_ModelWidget*> aWidgets;
-  if (!module()->createWidgets(theOperation, aWidgets)) {
-    QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
+  QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
+  if (!module()->createWidgets(aFOperation->feature(), aXmlRepr, aWidgets)) {
     ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myModuleConnector);
     aFactory.createWidget(myPropertyPanel->contentWidget());
     aWidgets = aFactory.getModelWidgets();
@@ -762,6 +776,12 @@ void XGUI_Workshop::fillPropertyPanel(ModuleBase_Operation* theOperation)
 #endif
 
   myErrorMgr->setPropertyPanel(myPropertyPanel);
+  if (Config_PropManager::boolean("Windows", "use_hide_faces_panel")) {
+    theOperation->setHideFacesVisible(myFacesPanel->isVisible());
+    if (aFeatureInfo.get() && aFeatureInfo->isHideFacesPanel() && !myFacesPanel->isVisible())
+      myFacesPanel->show();
+  }
+  showPanel(myPropertyPanel);
 }
 
 //******************************************************
@@ -843,6 +863,11 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
     }
   }
   activateObjectsSelection(anObjects);
+
+  if (Config_PropManager::boolean("Windows", "use_hide_faces_panel")) {
+    if (!theOperation->isHideFacesVisible())
+      myFacesPanel->close();
+  }
 }
 
 //******************************************************
@@ -1019,6 +1044,8 @@ void XGUI_Workshop::onNew()
   QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
   aWnd->showMaximized();
   updateCommandStatus();
+  PyConsole_Console* aConsole = myMainWindow->pythonConsole();
+  connect(aConsole, SIGNAL(scriptLoaded()), SLOT(updateCommandStatus()));
 #endif
   myContextMenuMgr->connectViewer();
   QApplication::restoreOverrideCursor();
@@ -1052,8 +1079,7 @@ void XGUI_Workshop::onPreferences()
   ModuleBase_Preferences::editPreferences(aModif);
   if (aModif.size() > 0) {
     QString aSection;
-    foreach (ModuleBase_Pref aPref, aModif)
-    {
+    foreach (ModuleBase_Pref aPref, aModif) {
       aSection = aPref.first;
       if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
         myMainWindow->viewer()->updateFromResources();
@@ -1061,6 +1087,15 @@ void XGUI_Workshop::onPreferences()
         myMainWindow->menuObject()->updateFromResources();
       }
     }
+    std::vector<int> aColor;
+    try {
+      aColor = Config_PropManager::color("Visualization", "selection_color");
+    }
+    catch (...) {
+    }
+    if (aColor.size() == 3)
+      displayer()->setSelectionColor(aColor);
+
     displayer()->redisplayObjects();
   }
 }
@@ -1184,7 +1219,8 @@ void XGUI_Workshop::processUndoRedo(const ModuleBase_ActionType theActionType, i
     else
       aMgr->redo();
 
-    if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
+    if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND ||
+        QString((*aIt).c_str()) == MOVE_TO_END_SPLIT_COMMAND)
       myObjectBrowser->rebuildDataTree();
   }
   operationMgr()->updateApplyOfOperations();
@@ -1243,6 +1279,26 @@ void XGUI_Workshop::onWidgetObjectUpdated()
   myDisplayer->updateViewer();
 }
 
+//******************************************************
+void XGUI_Workshop::onImportPart()
+{
+  if (abortAllOperations()) {
+    ModuleBase_OperationFeature* anImportPartOp = dynamic_cast<ModuleBase_OperationFeature*>(
+        module()->createOperation(ExchangePlugin_ImportPart::ID()));
+    operationMgr()->startOperation(anImportPartOp);
+  }
+}
+
+//******************************************************
+void XGUI_Workshop::onExportPart()
+{
+  if (abortAllOperations()) {
+    ModuleBase_OperationFeature* anExportPartOp = dynamic_cast<ModuleBase_OperationFeature*>(
+        module()->createOperation(ExchangePlugin_ExportPart::ID()));
+    operationMgr()->startOperation(anExportPartOp);
+  }
+}
+
 //******************************************************
 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 {
@@ -1443,14 +1499,14 @@ void XGUI_Workshop::createDockWidgets()
 
   hidePanel(myPropertyPanel);  ///<! Invisible by default
 
-  myFacesPanel = new XGUI_FacesPanel(aDesktop, myModuleConnector);
+  myFacesPanel = new XGUI_FacesPanel(aDesktop, this);
   myActiveControlMgr->addSelector(new XGUI_FacesPanelSelector(myFacesPanel));
   myFacesPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
                                 Qt::RightDockWidgetArea |
                                 Qt::BottomDockWidgetArea);
   connect(myFacesPanel, SIGNAL(closed()), myFacesPanel, SLOT(onClosed()));
 
-  myInspectionPanel = new XGUI_InspectionPanel(aDesktop, mySelector);
+  myInspectionPanel = new XGUI_InspectionPanel(aDesktop, this);
   myInspectionPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
     Qt::RightDockWidgetArea);
   aDesktop->addDockWidget(Qt::RightDockWidgetArea, myInspectionPanel);
@@ -1526,7 +1582,7 @@ void XGUI_Workshop::showPanel(QDockWidget* theDockWidget)
   // in order to operation manager could process key events of the panel.
   // otherwise they are ignored. It happens only if the same(activateWindow) is
   // not happened by property panel activation(e.g. resume operation of Sketch)
-  ModuleBase_Tools::setFocus(theDockWidget, "XGUI_Workshop::showPanel()");
+  //ModuleBase_Tools::setFocus(theDockWidget, "XGUI_Workshop::showPanel()");
 }
 
 //******************************************************
@@ -1585,8 +1641,8 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     deleteObjects();
   else if (theId == "CLEAN_HISTORY_CMD")
     cleanHistory();
-  else if (theId == "MOVE_CMD")
-    moveObjects();
+  else if (theId == "MOVE_CMD" || theId == "MOVE_SPLIT_CMD")
+    moveObjects(theId == "MOVE_SPLIT_CMD");
   else if (theId == "COLOR_CMD")
     changeColor(aObjects);
   else if (theId == "DEFLECTION_CMD")
@@ -1798,6 +1854,7 @@ void XGUI_Workshop::deleteObjects()
   // allow the module to delete objects, do nothing if it has succeed
   if (aModule->deleteObjects()) {
     updateCommandStatus();
+    myDisplayer->updateViewer();
     return;
   }
 
@@ -1816,17 +1873,19 @@ void XGUI_Workshop::deleteObjects()
   if (!(hasResult || hasFeature || hasParameter || hasFolder))
     return;
 
-  // Remove from the list non-deletable objects: infinite constuctions which are not in history
+  // Remove from the list non-deletable objects: infinite constructions which are not in history
   bool notDelete = true;
   QObjectPtrList::iterator aIt;
   for (aIt = anObjects.begin(); aIt != anObjects.end(); aIt++) {
     ObjectPtr aObj = (*aIt);
     ResultConstructionPtr aConstr = std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aObj);
     FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
-    notDelete = (!aFeature->isInHistory()) && aConstr->isInfinite();
-    if (notDelete) {
-      anObjects.removeAll(aObj);
-      aIt--;
+    if (aFeature) {
+      notDelete = (!aFeature->isInHistory()) && aConstr->isInfinite();
+      if (notDelete) {
+        anObjects.removeAll(aObj);
+        aIt--;
+      }
     }
   }
   // delete objects
@@ -1841,7 +1900,7 @@ void XGUI_Workshop::deleteObjects()
   bool aDone = false;
   QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text() + " %1";
   aDescription = aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
-  ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
+  ModuleBase_Operation* anOpAction = new ModuleBase_Operation(aDescription, module());
 
   operationMgr()->startOperation(anOpAction);
 
@@ -1884,6 +1943,8 @@ void XGUI_Workshop::deleteObjects()
     operationMgr()->commitOperation();
   else
     operationMgr()->abortOperation(operationMgr()->currentOperation());
+
+  myDisplayer->updateViewer();
 }
 
 //**************************************************************
@@ -1996,7 +2057,7 @@ void XGUI_Workshop::cleanHistory()
     // 1. start operation
     aDescription += "by deleting of " +
       aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
-    ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
+    ModuleBase_Operation* anOpAction = new ModuleBase_Operation(aDescription, module());
     operationMgr()->startOperation(anOpAction);
 
     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
@@ -2039,7 +2100,7 @@ bool compareFeature(const FeaturePtr& theF1, const FeaturePtr& theF2) {
   DocumentPtr aDoc = theF1->document();
   return aDoc->index(theF1) < aDoc->index(theF2);
 }
-void XGUI_Workshop::moveObjects()
+void XGUI_Workshop::moveObjects(const bool theSplit)
 {
   if (!abortAllOperations())
     return;
@@ -2056,7 +2117,7 @@ void XGUI_Workshop::moveObjects()
   if (!XGUI_Tools::canRemoveOrRename(desktop(), aFeatures))
     return;
 
-  QString anActionId = "MOVE_CMD";
+  QString anActionId = theSplit ? "MOVE_CMD" : "MOVE_SPLIT_CMD";
   QString aDescription = contextMenuMgr()->action(anActionId)->text();
   aMgr->startOperation(aDescription.toStdString());
 
@@ -2072,11 +2133,12 @@ void XGUI_Workshop::moveObjects()
     if (!aFeature.get() || !myModule->canApplyAction(aFeature, anActionId))
       continue;
 
-    anActiveDocument->moveFeature(aFeature, aCurrentFeature);
+    anActiveDocument->moveFeature(aFeature, aCurrentFeature, theSplit);
     aCurrentFeature = anActiveDocument->currentFeature(true);
   }
   aMgr->finishOperation();
   updateCommandStatus();
+  myViewerProxy->update();
 }
 
 //**************************************************************
@@ -2276,9 +2338,28 @@ void setColor(ResultPtr theResult, const std::vector<int>& theColor)
     aColorAttr->setValue(1, theColor[1]);
     aColorAttr->setValue(2, theColor[2]);
   }
-  static const Events_ID kRedisplayEvent =
-    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
-  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
+}
+
+//**************************************************************
+void getDefaultColor(ObjectPtr theObject, const bool isEmptyColorValid,
+  std::vector<int>& theColor)
+{
+  theColor.clear();
+  // get default color from the preferences manager for the given result
+  if (theColor.empty()) {
+    std::string aSection, aName, aDefault;
+    theObject->colorConfigInfo(aSection, aName, aDefault);
+    if (!aSection.empty() && !aName.empty()) {
+      theColor = Config_PropManager::color(aSection, aName);
+    }
+  }
+  if (!isEmptyColorValid && theColor.empty()) {
+    // all AIS objects, where the color is not set, are in black.
+    // The color should be defined in XML or set in the attribute
+    theColor = Config_PropManager::color("Visualization", "object_default_color");
+    Events_InfoMessage("XGUI_CustomPrs",
+      "A default color is not defined in the preferences for this kind of result").send();
+  }
 }
 
 //**************************************************************
@@ -2292,7 +2373,9 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
   foreach(ObjectPtr anObject, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
     if (aResult.get()) {
-      XGUI_CustomPrs::getResultColor(aResult, aColor);
+      ModelAPI_Tools::getColor(aResult, aColor);
+      if (aColor.empty())
+        getDefaultColor(aResult, false, aColor);
     }
     else {
       // TODO: remove the obtaining a color from the AIS object
@@ -2344,8 +2427,10 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
       setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
     }
   }
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
   aMgr->finishOperation();
   updateCommandStatus();
+  myViewerProxy->update();
 }
 
 //**************************************************************
@@ -2355,11 +2440,9 @@ void setDeflection(ResultPtr theResult, const double theDeflection)
     return;
 
   AttributeDoublePtr aDeflectionAttr = theResult->data()->real(ModelAPI_Result::DEFLECTION_ID());
-  if (aDeflectionAttr.get() != NULL)
+  if (aDeflectionAttr.get() != NULL) {
     aDeflectionAttr->setValue(theDeflection);
-  static const Events_ID kRedisplayEvent =
-    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
-  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
+  }
 }
 
 //**************************************************************
@@ -2369,11 +2452,9 @@ void setTransparency(ResultPtr theResult, double theTransparency)
     return;
 
   AttributeDoublePtr anAttribute = theResult->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
-  if (anAttribute.get() != NULL)
+  if (anAttribute.get() != NULL) {
     anAttribute->setValue(theTransparency);
-  static const Events_ID kRedisplayEvent =
-    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
-  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
+  }
 }
 
 //**************************************************************
@@ -2386,7 +2467,8 @@ void setTransparency(double theTransparency, const QObjectPtrList& theObjects)
       if (aBodyResult.get() != NULL) { // change property for all sub-solids
         std::list<ResultPtr> allRes;
         ModelAPI_Tools::allSubs(aBodyResult, allRes);
-        for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+        std::list<ResultPtr>::iterator aRes;
+        for(aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
           setTransparency(*aRes, theTransparency);
         }
       }
@@ -2395,6 +2477,34 @@ void setTransparency(double theTransparency, const QObjectPtrList& theObjects)
   }
 }
 
+//**************************************************************
+double getDefaultDeflection(const ObjectPtr& theObject)
+{
+  double aDeflection = -1;
+  ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+  if (aResult.get()) {
+    bool isConstruction = false;
+
+    std::string aResultGroup = aResult->groupName();
+    if (aResultGroup == ModelAPI_ResultConstruction::group())
+      isConstruction = true;
+    else if (aResultGroup == ModelAPI_ResultBody::group()) {
+      GeomShapePtr aGeomShape = aResult->shape();
+      if (aGeomShape.get()) {
+        // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
+        // correction of deviation for them should not influence to the application performance
+        GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
+        isConstruction = !anExp.more();
+      }
+    }
+    if (isConstruction)
+      aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
+    else
+      aDeflection = Config_PropManager::real("Visualization", "body_deflection");
+  }
+  return aDeflection;
+}
+
 //**************************************************************
 void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
 {
@@ -2405,7 +2515,9 @@ void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
   foreach(ObjectPtr anObject, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
     if (aResult.get()) {
-      aDeflection = XGUI_CustomPrs::getResultDeflection(aResult);
+      aDeflection = ModelAPI_Tools::getDeflection(aResult);
+      if (aDeflection < 0)
+        aDeflection = getDefaultDeflection(aResult);
     }
     else {
       // TODO: remove the obtaining a property from the AIS object
@@ -2454,10 +2566,17 @@ void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
       setDeflection(aResult, aDeflection);
     }
   }
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
   aMgr->finishOperation();
   updateCommandStatus();
 }
 
+//**************************************************************
+double getDefaultTransparency(const ResultPtr& theResult)
+{
+  return Config_PropManager::integer("Visualization", "shaper_default_transparency") / 100.;
+}
+
 //**************************************************************
 void XGUI_Workshop::changeTransparency(const QObjectPtrList& theObjects)
 {
@@ -2468,7 +2587,9 @@ void XGUI_Workshop::changeTransparency(const QObjectPtrList& theObjects)
   foreach(ObjectPtr anObject, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
     if (aResult.get()) {
-      aCurrentValue = XGUI_CustomPrs::getResultTransparency(aResult);
+      aCurrentValue = ModelAPI_Tools::getTransparency(aResult);
+      if (aCurrentValue < 0)
+        aCurrentValue = getDefaultTransparency(aResult);
     }
     if (aCurrentValue > 0)
       break;
@@ -2515,7 +2636,11 @@ void XGUI_Workshop::onTransparencyValueChanged()
 
   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
   setTransparency(aTransparencyWidget->getValue(), anObjects);
-  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+  static const Events_ID kRedisplayEvent =
+    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+  Events_Loop::loop()->flush(kRedisplayEvent);
+
+  myViewerProxy->update();
 }
 
 
@@ -2538,6 +2663,7 @@ void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
   myObjectBrowser->updateAllIndexes();
 
   updateColorScaleVisibility();
+  displayer()->updateViewer();
 }
 
 //**************************************************************
@@ -2578,6 +2704,7 @@ void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
   // Necessary for update icons in ObjectBrowser on Linux
   myObjectBrowser->updateAllIndexes();
   updateColorScaleVisibility();
+  displayer()->updateViewer();
 }
 
 
@@ -2785,33 +2912,45 @@ void XGUI_Workshop::synchronizeViewer()
   aDocs.append(aMgr->moduleDocument());
 
   foreach(DocumentPtr aDoc, aDocs) {
-    synchronizeGroupInViewer(aDoc, ModelAPI_ResultConstruction::group(), false);
-    synchronizeGroupInViewer(aDoc, ModelAPI_ResultBody::group(), false);
-    synchronizeGroupInViewer(aDoc, ModelAPI_ResultPart::group(), false);
-    synchronizeGroupInViewer(aDoc, ModelAPI_ResultGroup::group(), false);
+    synchronizeGroupInViewer(aDoc, false);
   }
 }
 
 //******************************************************
 void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc,
-                                             const std::string& theGroup,
                                              bool theUpdateViewer)
 {
-  ObjectPtr aObj;
-  int aSize = theDoc->size(theGroup);
+  FeaturePtr aFeature;
+  ResultPtr aRes;
+  int aSize = theDoc->numInternalFeatures();
   for (int i = 0; i < aSize; i++) {
-    aObj = theDoc->object(theGroup, i);
-    if (aObj->isDisplayed()) {
-      // Hide the presentation with an empty shape. But isDisplayed state of the object should not
-      // be changed to the object becomes visible when the shape becomes not empty
-      ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
-      if (aRes.get() && (!aRes->shape().get() || aRes->shape()->isNull()))
-        continue;
-      ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
-      if (aResBody.get())
-        synchronizeResultTree(aResBody, false);
-      else
-        myDisplayer->display(aObj, false);
+    aFeature = theDoc->internalFeature(i);
+    if (!aFeature.get())
+      continue;
+    const std::list<ResultPtr>& aResults = aFeature->results();
+    std::list<ResultPtr>::const_iterator aIt;
+    aFeature->setDisplayed(false);
+    for (aIt = aResults.cbegin(); aIt != aResults.cend(); aIt++) {
+      aRes = (*aIt);
+      if (aRes->isDisplayed() && !aRes->isConcealed()) {
+        // Hide the presentation with an empty shape. But isDisplayed state of the object should not
+        // be changed to the object becomes visible when the shape becomes not empty
+        if (!aRes->shape().get() || aRes->shape()->isNull())
+          continue;
+        ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aRes);
+        if (aResBody.get())
+          synchronizeResultTree(aResBody, false);
+        else {
+          if (aRes->isInHistory()) {
+            if (aRes->isDisplayed())
+              myDisplayer->display(aRes, false);
+            else
+              myDisplayer->erase(aRes, false);
+          }
+          else
+            aRes->setDisplayed(false);
+        }
+      }
     }
   }
   if (theUpdateViewer)