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Issue #2159 Hide all incomplete behavior
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
old mode 100644 (file)
new mode 100755 (executable)
index 989d714..f332c4a
@@ -4,7 +4,9 @@
 #include "XGUI_Workshop.h"
 
 #include "XGUI_ActionsMgr.h"
+#include "XGUI_MenuMgr.h"
 #include "XGUI_ColorDialog.h"
+#include "XGUI_DeflectionDialog.h"
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_Displayer.h"
 #include "XGUI_ErrorDialog.h"
@@ -22,7 +24,9 @@
 #include <XGUI_CustomPrs.h>
 #include <XGUI_HistoryMenu.h>
 #include <XGUI_QtEvents.h>
+#include <XGUI_DataModel.h>
 
+#ifndef HAVE_SALOME
 #include <AppElements_Button.h>
 #include <AppElements_Command.h>
 #include <AppElements_MainMenu.h>
 #include <AppElements_MenuGroupPanel.h>
 #include <AppElements_Viewer.h>
 #include <AppElements_Workbench.h>
+#endif
 
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Feature.h>
@@ -41,6 +47,7 @@
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_ResultGroup.h>
 #include <ModelAPI_ResultParameter.h>
+#include <ModelAPI_ResultField.h>
 #include <ModelAPI_Session.h>
 #include <ModelAPI_Validator.h>
 #include <ModelAPI_ResultCompSolid.h>
 //#include <PartSetPlugin_Part.h>
 
 #include <Events_Loop.h>
-#include <Events_Error.h>
+#include <Events_InfoMessage.h>
 #include <Events_LongOp.h>
 
-#include <ModuleBase_FilterFactory.h>
 #include <ModuleBase_IModule.h>
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_Operation.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>
+#include <ModuleBase_ResultPrs.h>
 
 #include <Config_Common.h>
 #include <Config_FeatureMessage.h>
 #include <Config_ModuleReader.h>
 #include <Config_PointerMessage.h>
 #include <Config_PropManager.h>
-#include <Config_SelectionFilterMessage.h>
+#include <Config_DataModelReader.h>
+#include <Config_Translator.h>
+#include <Config_WidgetAPI.h>
+#include <Config_Keywords.h>
 
 #include <SUIT_ResourceMgr.h>
 
+#include <AIS_Trihedron.hxx>
+#ifdef BEFORE_TRIHEDRON_PATCH
+#include <AIS_Point.hxx>
+#include <AIS_Axis.hxx>
+#endif
+
 #include <QApplication>
 #include <QFileDialog>
 #include <QMessageBox>
 #include <QMdiSubWindow>
+#include <QMainWindow>
 #include <QPushButton>
 #include <QDockWidget>
 #include <QLayout>
 
 #include <iterator>
 
+#ifdef TINSPECTOR
+#include <CDF_Session.hxx>
+#include <CDF_Application.hxx>
+#include <TInspector_Communicator.hxx>
+#include <VInspector_CallBack.hxx>
+static TInspector_Communicator* MyTCommunicator;
+static Handle(VInspector_CallBack) MyVCallBack;
+
+#endif
+
 #ifdef _DEBUG
 #include <QDebug>
 #include <iostream>
 #include <dlfcn.h>
 #endif
 
+QString XGUI_Workshop::MOVE_TO_END_COMMAND = QObject::tr("Move to the end");
+
 //#define DEBUG_DELETE
+//#define DEBUG_FEATURE_NAME
+//#define DEBUG_CLEAN_HISTORY
 
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
     : QObject(),
@@ -111,90 +145,137 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
       myPropertyPanel(0),
       myObjectBrowser(0),
       myDisplayer(0)
+      //myViewerSelMode(TopAbs_FACE)
 {
-  myMainWindow = mySalomeConnector ? 0 : new AppElements_MainWindow();
+  mySelector = new XGUI_SelectionMgr(this);
+  myModuleConnector = new XGUI_ModuleConnector(this);
+  myOperationMgr = new XGUI_OperationMgr(this, 0);
+  ModuleBase_IWorkshop* aWorkshop = moduleConnector();
+  // Has to be defined first in order to get errors and messages from other components
+  myEventsListener = new XGUI_WorkshopListener(aWorkshop);
 
-  if (myMainWindow) {
-    SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
-    bool aCloc = aResMgr->booleanValue("language", "locale", true);
-    if (aCloc)
-      QLocale::setDefault( QLocale::c() );
-    else 
-      QLocale::setDefault( QLocale::system() );
+  SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
+#ifndef HAVE_SALOME
+  myMainWindow = new AppElements_MainWindow();
+
+  bool aCloc = aResMgr->booleanValue("language", "locale", true);
+  if (aCloc)
+    QLocale::setDefault( QLocale::c() );
+  else
+    QLocale::setDefault( QLocale::system() );
+#endif
+  QString aPath = Config_XMLReader::pluginConfigFile().c_str();
+  QDir aDir(aPath);
+
+  // Load translations
+  QStringList aLangs;
+  aLangs << "*_en.ts"; // load by default eng translations
+  QString aCurrLang = aResMgr->stringValue("language", "language", "en");
+  if(aCurrLang != "en") {
+    aLangs << "*_" + aCurrLang + ".ts"; // then replace with translated files
+  }
+
+  foreach(QString aLang, aLangs) {
+    QStringList aFilters;
+    aFilters << aLang;
+    QStringList aTsFiles = aDir.entryList(aFilters, QDir::Files);
+    foreach(QString aFileName, aTsFiles) {
+      Config_Translator::load(aFileName.toStdString());
+    }
   }
 
+  myDataModelXMLReader = new Config_DataModelReader();
+  //myDataModelXMLReader->readAll();
+
   myDisplayer = new XGUI_Displayer(this);
 
-  mySelector = new XGUI_SelectionMgr(this);
-  //connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateModuleCommands()));
+  connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateCommandStatus()));
 
-  myOperationMgr = new XGUI_OperationMgr(this, 0);
   myActionsMgr = new XGUI_ActionsMgr(this);
+  myMenuMgr = new XGUI_MenuMgr(this);
   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
-  myErrorMgr = new XGUI_ErrorMgr(this);
   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
   connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), this,
           SLOT(onContextMenuCommand(const QString&, bool)));
 
   myViewerProxy = new XGUI_ViewerProxy(this);
-  connect(myViewerProxy, SIGNAL(selectionChanged()),
-          myActionsMgr,  SLOT(updateOnViewSelection()));
-
-  myModuleConnector = new XGUI_ModuleConnector(this);
+  //connect(myViewerProxy, SIGNAL(selectionChanged()),
+  //        myActionsMgr,  SLOT(updateOnViewSelection()));
 
-  ModuleBase_IWorkshop* aWorkshop = moduleConnector();
   myOperationMgr->setWorkshop(aWorkshop);
 
-  myEventsListener = new XGUI_WorkshopListener(aWorkshop);
+  myErrorMgr = new XGUI_ErrorMgr(this, aWorkshop);
 
-  connect(myOperationMgr, SIGNAL(operationStarted(ModuleBase_Operation*)), 
-          SLOT(onOperationStarted(ModuleBase_Operation*)));
   connect(myOperationMgr, SIGNAL(operationResumed(ModuleBase_Operation*)),
           SLOT(onOperationResumed(ModuleBase_Operation*)));
   connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
           SLOT(onOperationStopped(ModuleBase_Operation*)));
-  connect(myOperationMgr, SIGNAL(operationCommitted(ModuleBase_Operation*)), 
+  connect(myOperationMgr, SIGNAL(operationCommitted(ModuleBase_Operation*)),
           SLOT(onOperationCommitted(ModuleBase_Operation*)));
-  connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)), 
+  connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)),
           SLOT(onOperationAborted(ModuleBase_Operation*)));
-  //connect(myOperationMgr, SIGNAL(validationStateChanged(bool)), 
-  //        myErrorMgr, SLOT(onValidationStateChanged()));
 
-  if (myMainWindow)
-    connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
-  connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
-  connect(myEventsListener, SIGNAL(errorOccurred(const QString&)),
-          myErrorDlg, SLOT(addError(const QString&)));
+#ifndef HAVE_SALOME
+  connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
+  onTrihedronVisibilityChanged(true);
+#endif
+
+  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", "Body color",
+  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_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());
+
+  if (ModuleBase_Preferences::resourceMgr()->booleanValue("Viewer", "face-selection", true))
+    myViewerSelMode.append(TopAbs_FACE);
+  if (ModuleBase_Preferences::resourceMgr()->booleanValue("Viewer", "edge-selection", true))
+    myViewerSelMode.append(TopAbs_EDGE);
+  if (ModuleBase_Preferences::resourceMgr()->booleanValue("Viewer", "vertex-selection", true))
+    myViewerSelMode.append(TopAbs_VERTEX);
+  //IMP: an attempt to use result selection with other selection modes
+  myViewerSelMode.append(ModuleBase_ResultPrs::Sel_Result);//TopAbs_VERTEX);
+  myViewerSelMode.append(TopAbs_COMPSOLID);
 }
 
 //******************************************************
 XGUI_Workshop::~XGUI_Workshop(void)
 {
+#ifdef _DEBUG
+#ifdef MISSED_TRANSLATION
+  // Save Missed translations
+  Config_Translator::saveMissedTranslations();
+#endif
+#endif
+
   delete myDisplayer;
+  delete myDataModelXMLReader;
 }
 
 //******************************************************
 void XGUI_Workshop::startApplication()
 {
+  //Initialize event listening
+  myEventsListener->initializeEventListening();
+
+  myDataModelXMLReader->readAll();
   initMenu();
 
   Config_PropManager::registerProp("Plugins", "default_path", "Default Path",
                                    Config_Prop::Directory, "");
 
-  //Initialize event listening
-  myEventsListener->initializeEventListening();
 
   registerValidators();
 
@@ -202,13 +283,18 @@ void XGUI_Workshop::startApplication()
   // by Config_PropManger to restore user-defined path to plugins
   ModuleBase_Preferences::loadCustomProps();
   createModule();
-  if (myMainWindow) {
-    myMainWindow->show();
-    updateCommandStatus();
-  }
-  
+
+#ifndef HAVE_SALOME
+  myMainWindow->show();
+  updateCommandStatus();
+#endif
+
   onNew();
 
+  myViewerProxy->connectViewProxy();
+  connect(myViewerProxy, SIGNAL(trihedronVisibilityChanged(bool)),
+          SLOT(onTrihedronVisibilityChanged(bool)));
+
   emit applicationStarted();
 }
 
@@ -221,14 +307,13 @@ void XGUI_Workshop::activateModule()
   connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
     myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
 
-  myActionsMgr->update();
+  updateCommandStatus();
+
+  // TODO: get default selection mode
 
   // activate visualized objects in the viewer
-  XGUI_Displayer* aDisplayer = displayer();
-  QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
-  QIntList aModes;
-  module()->activeSelectionModes(aModes);
-  aDisplayer->activateObjects(aModes, aDisplayed);
+  activateObjectsSelection(displayer()->displayedObjects());
+  myOperationMgr->activate();
 }
 
 void XGUI_Workshop::deactivateModule()
@@ -246,6 +331,26 @@ void XGUI_Workshop::deactivateModule()
   XGUI_Displayer* aDisplayer = displayer();
   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
   aDisplayer->deactivateObjects(aDisplayed, true);
+  Handle(AIS_InteractiveContext) aContext = viewer()->AISContext();
+  Handle(AIS_Trihedron) aTrihedron = Handle(AIS_Trihedron)::DownCast(aDisplayer->getTrihedron());
+  /// deactivate trihedron in selection modes
+  TColStd_ListOfInteger aTColModes;
+  aContext->ActivatedModes(aTrihedron, aTColModes);
+  TColStd_ListIteratorOfListOfInteger itr( aTColModes );
+  for (; itr.More(); itr.Next() ) {
+    Standard_Integer aMode = itr.Value();
+    aContext->Deactivate(aTrihedron, aMode);
+  }
+#ifdef BEFORE_TRIHEDRON_PATCH
+  /// Trihedron problem: objects stayed in the viewer, should be removed manually
+  /// otherwise in SALOME happens crash by HideAll in the viewer
+  aContext->Remove(aTrihedron->Position(), true);
+  aContext->Remove(aTrihedron->Axis(), true);
+  aContext->Remove(aTrihedron->XAxis(), true);
+  aContext->Remove(aTrihedron->YAxis(), true);
+#endif
+
+  myOperationMgr->deactivate();
 }
 
 //******************************************************
@@ -253,48 +358,51 @@ void XGUI_Workshop::initMenu()
 {
   myContextMenuMgr->createActions();
 
-  if (isSalomeMode()) {
-    // Create only Undo, Redo commands
-    QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
-                                                         tr("Undo last command"),
-                                                         QIcon(":pictures/undo.png"),
-                                                         QKeySequence::Undo, false, "MEN_DESK_EDIT");
-    QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
-    salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
-
-    connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
-    addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
-
-    aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
-                                                QIcon(":pictures/redo.png"), QKeySequence::Redo,
-                                                false, "MEN_DESK_EDIT");
-    salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
-
-    connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
-    addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
-
-    salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
-    aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
-                                                QIcon(":pictures/rebuild.png"), QKeySequence(),
-                                                false, "MEN_DESK_EDIT");
-    salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
-
-    connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
-    salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
-
-    aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export NewGeom..."), tr("Export the current document into a NewGeom file"),
-                                                QIcon(), QKeySequence(),
-                                                false, "MEN_DESK_FILE");
-    connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onSaveAs()));
-
-    aAction = salomeConnector()->addDesktopCommand("OPEN_CMD", tr("Import NewGeom..."), tr("Import a NewGeom file"),
-                                                QIcon(), QKeySequence(),
-                                                false, "MEN_DESK_FILE");
-    connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
-    salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
+#ifdef HAVE_SALOME
+  // Create only Undo, Redo commands
+  QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
+                                                        tr("Undo last command"),
+                                                        QIcon(":pictures/undo.png"),
+                                                        QKeySequence::Undo, false,
+                                                        "MEN_DESK_EDIT");
+  QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
+  salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
+
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
+  addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
+
+  aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
+                                              QIcon(":pictures/redo.png"), QKeySequence::Redo,
+                                              false, "MEN_DESK_EDIT");
+  salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
+
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
+  addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
+
+  salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
+  //aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"),
+  //                                            tr("Rebuild data objects"),
+  //                                            QIcon(":pictures/rebuild.png"), QKeySequence(),
+  //                                            false, "MEN_DESK_EDIT");
+  //salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
+
+  //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
+  //salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
+
+  aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export native..."),
+                                             tr("Export the current document into a native file"),
+                                              QIcon(), QKeySequence(),
+                                              false, "MEN_DESK_FILE");
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onSaveAs()));
+
+  aAction = salomeConnector()->addDesktopCommand("OPEN_CMD", tr("Import native..."),
+                                              tr("Import native file"),
+                                              QIcon(), QKeySequence(),
+                                              false, "MEN_DESK_FILE");
+  connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onOpen()));
+  salomeConnector()->addDesktopMenuSeparator("MEN_DESK_FILE");
 
-    return;
-  }
+#else
   // File commands group
   AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
 
@@ -305,6 +413,10 @@ void XGUI_Workshop::initMenu()
   aCommand->connectTo(this, SLOT(onSave()));
   //aCommand->disable();
 
+  aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
+                                QIcon(":pictures/save.png"), QKeySequence());
+  aCommand->connectTo(this, SLOT(onSaveAs()));
+
   QString aUndoId = "UNDO_CMD";
   aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
@@ -323,23 +435,16 @@ void XGUI_Workshop::initMenu()
                  SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
                  SLOT(onRedo(int)));
 
-  aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
-    QIcon(":pictures/rebuild.png"), QKeySequence());
-  aCommand->connectTo(this, SLOT(onRebuild()));
+  //aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
+  //  QIcon(":pictures/rebuild.png"), QKeySequence());
+  //aCommand->connectTo(this, SLOT(onRebuild()));
 
-  aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
-                                QIcon(":pictures/save.png"), QKeySequence());
-  aCommand->connectTo(this, SLOT(onSaveAs()));
   //aCommand->disable();
 
   aCommand = aGroup->addFeature("OPEN_CMD", tr("Open..."), tr("Open a new document"),
                                 QIcon(":pictures/open.png"), QKeySequence::Open);
   aCommand->connectTo(this, SLOT(onOpen()));
 
-  //aCommand = aGroup->addFeature("NEW_CMD", tr("New"), tr("Create a new document"),
-  //                              QIcon(":pictures/new.png"), QKeySequence::New);
-  //aCommand->connectTo(this, SLOT(onNew()));
-
   aCommand = aGroup->addFeature("PREF_CMD", tr("Preferences"), tr("Edit preferences"),
                                 QIcon(":pictures/preferences.png"), QKeySequence::Preferences);
   aCommand->connectTo(this, SLOT(onPreferences()));
@@ -347,25 +452,25 @@ void XGUI_Workshop::initMenu()
   aCommand = aGroup->addFeature("EXIT_CMD", tr("Exit"), tr("Exit application"),
                                 QIcon(":pictures/close.png"), QKeySequence::Close);
   aCommand->connectTo(this, SLOT(onExit()));
-  //FIXME: SBH's test action. Can be used for some GUI tests.
-//  #ifdef _DEBUG
-//    aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
-//                                  QIcon(":pictures/close.png"), QKeySequence(), true);
-//    aCommand->connectTo(myMainWindow, SLOT(dockPythonConsole()));
-//  #endif
+#endif
 }
 
-//******************************************************
+#ifndef HAVE_SALOME
 AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 {
   AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
   return aMenuBar->addWorkbench(theName);
 }
+#endif
 
 //******************************************************
 QMainWindow* XGUI_Workshop::desktop() const
 {
-  return isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+#ifdef HAVE_SALOME
+  return salomeConnector()->desktop();
+#else
+  return myMainWindow;
+#endif
 }
 
 //******************************************************
@@ -385,27 +490,27 @@ void XGUI_Workshop::onAcceptActionClicked()
     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                     (anOperationMgr->currentOperation());
     if (aFOperation) {
-      if (errorMgr()->canProcessClick(anAction, aFOperation->feature()))
-        myOperationMgr->onCommitOperation();
+      //if (errorMgr()->canProcessClick(anAction, aFOperation->feature()))
+      myOperationMgr->onCommitOperation();
     }
   }
 }
 
 //******************************************************
-void XGUI_Workshop::onValidationStateChanged(bool theEnabled)
+void XGUI_Workshop::onPreviewActionClicked()
 {
-  XGUI_OperationMgr* anOperationMgr = operationMgr();
-  if (anOperationMgr) {
-    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
-                                                    (anOperationMgr->currentOperation());
-    if (aFOperation) {
-      QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
-      myErrorMgr->updateActionState(anAction, aFOperation->feature(), theEnabled);
+  ModuleBase_IPropertyPanel* aPanel = propertyPanel();
+  if (aPanel) {
+    ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
+    if (anActiveWidget && anActiveWidget->getValueState() == ModuleBase_ModelWidget::ModifiedInPP) {
+      anActiveWidget->storeValue();
     }
   }
+  std::shared_ptr<Events_Message> aMsg = std::shared_ptr<Events_Message>(
+                new Events_Message(Events_Loop::eventByName(EVENT_PREVIEW_REQUESTED)));
+  Events_Loop::loop()->send(aMsg);
 }
 
-
 //******************************************************
 void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const bool theUpdateViewer)
 {
@@ -419,44 +524,131 @@ void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const boo
 }
 
 //******************************************************
-void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
+bool XGUI_Workshop::isFeatureOfNested(const FeaturePtr& theFeature)
 {
-  setGrantedFeatures(theOperation);
+  bool aHasNested = false;
+  std::string aFeatureKind = theFeature->getKind();
+#ifdef HAVE_SALOME
+    XGUI_SalomeConnector* aSalomeConnector = salomeConnector();
+    if (aSalomeConnector->isFeatureOfNested(actionsMgr()->action(aFeatureKind.c_str())))
+      aHasNested = true;
+#else
+    AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
+    AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
+    if (aCommand && aCommand->button()->additionalButtonWidget())
+      aHasNested = true;
+#endif
+  return aHasNested;
+}
 
-  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
-                                                                               (theOperation);
+void XGUI_Workshop::fillPropertyPanel(ModuleBase_Operation* theOperation)
+{
+  ModuleBase_OperationFeature* aFOperation =
+    dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
   if (!aFOperation)
     return;
 
-  if (aFOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
-    setPropertyPanel(aFOperation);
-    // filling the operation values by the current selection
-    // if the operation can be committed after the controls filling, the method perform should
-    // be stopped. Otherwise unnecessary presentations can be shown(e.g. operation prs in sketch)
-    if (!aFOperation->isEditOperation()) {
-      aFOperation->activateByPreselection();
-      if (operationMgr()->currentOperation() != aFOperation)
-        return;
+  showPropertyPanel();
+  myPropertyPanel->cleanContent();
+
+  QList<ModuleBase_ModelWidget*> aWidgets;
+  if (!module()->createWidgets(theOperation, aWidgets)) {
+    QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
+    ModuleBase_WidgetFactory aFactory(aXmlRepr.toStdString(), myModuleConnector);
+    aFactory.createWidget(myPropertyPanel->contentWidget());
+    aWidgets = aFactory.getModelWidgets();
+  }
+
+  // check compatibility of feature and widgets
+  FeaturePtr aFeature = aFOperation->feature();
+  std::string aFeatureKind = aFeature->getKind();
+  foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
+    if (!aWidget->attributeID().empty() && !aFeature->attribute(aWidget->attributeID()).get()) {
+      std::string anErrorMsg = "The feature '%1' has no attribute '%2' used by widget '%3'.";
+      Events_InfoMessage("XGUI_Workshop", anErrorMsg)
+        .arg(aFeatureKind).arg(aWidget->attributeID())
+        .arg(aWidget->metaObject()->className()).send();
+      myPropertyPanel->cleanContent();
+      return;
     }
   }
-  updateCommandStatus();
+  // for performance purpose, flush should be done after all controls are filled
+  bool isUpdateFlushed = false;
+  foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
+    bool isStoreValue = !aFOperation->isEditOperation() &&
+                        !aWidget->getDefaultValue().empty() &&
+                        !aWidget->isComputedDefault();
+    aWidget->setFeature(aFeature, isStoreValue, isUpdateFlushed);
+    if (!isStoreValue)
+      aWidget->restoreValue();
+    aWidget->enableFocusProcessing();
+  }
+  ModuleBase_Tools::flushUpdated(aFeature);
 
-  myModule->onOperationStarted(aFOperation);
+  // update visible state of Preview button
+  std::shared_ptr<Config_FeatureMessage> aFeatureInfo;
+#ifdef HAVE_SALOME
+  aFeatureInfo = mySalomeConnector->featureInfo(aFeatureKind.c_str());
+#else
+  AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
+  AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
+  if (aCommand)
+    aFeatureInfo = aCommand->featureMessage();
+#endif
+  bool anIsAutoPreview = true;
+  if (aFeatureInfo.get())
+    anIsAutoPreview = aFeatureInfo->isAutoPreview();
+  else {
+    std::string aXmlCfg, aDescription;
+    module()->getXMLRepresentation(aFeatureKind, aXmlCfg, aDescription);
+    ModuleBase_WidgetFactory aFactory(aXmlCfg, moduleConnector());
+    anIsAutoPreview = aFactory.widgetAPI()->getBooleanAttribute(FEATURE_AUTO_PREVIEW, true);
+  }
 
-  // the objects of the current operation should be deactivated
-  QObjectPtrList anObjects;
-  FeaturePtr aFeature = aFOperation->feature();
-  anObjects.append(aFeature);
-  std::list<ResultPtr> aResults = aFeature->results();
-  std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-    anObjects.append(*aIt);
-  }
-  QObjectPtrList::const_iterator anIt = anObjects.begin(), aLast = anObjects.end();
-  for (; anIt != aLast; anIt++)
-    deactivateActiveObject(*anIt, false);
-  if (anObjects.size() > 0)
-    myDisplayer->updateViewer();
+  if (!anIsAutoPreview) {
+    myPropertyPanel->findButton(PROP_PANEL_PREVIEW)->setVisible(true);
+    // send signal about preview should not be computed automatically, click on preview
+    // button should initiate it
+    std::shared_ptr<Events_Message> aMsg = std::shared_ptr<Events_Message>(
+                  new Events_Message(Events_Loop::eventByName(EVENT_PREVIEW_BLOCKED)));
+    Events_Loop::loop()->send(aMsg);
+  }
+  myPropertyPanel->setModelWidgets(aWidgets);
+  aFOperation->setPropertyPanel(myPropertyPanel);
+
+  myModule->propertyPanelDefined(theOperation);
+
+#ifndef DEBUG_FEATURE_NAME
+  myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
+#else
+  std::string aFeatureName = aFeature->name();
+  myPropertyPanel->setWindowTitle(QString("%1: %2")
+    .arg(theOperation->getDescription()->description())
+    .arg(aFeatureName.c_str()));
+#endif
+
+  myErrorMgr->setPropertyPanel(myPropertyPanel);
+}
+
+void XGUI_Workshop::connectToPropertyPanel(const bool isToConnect)
+{
+  XGUI_PropertyPanel* aPropertyPanel = propertyPanel();
+  if (aPropertyPanel) {
+    const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
+    foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
+       myModule->connectToPropertyPanel(aWidget, isToConnect);
+       if (isToConnect) {
+        connect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
+        connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
+        connect(aWidget, SIGNAL(objectUpdated()), this, SLOT(onWidgetObjectUpdated()));
+       }
+      else {
+        disconnect(aWidget, SIGNAL(valueStateChanged(int)), this, SLOT(onWidgetStateChanged(int)));
+        disconnect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChanged()));
+        disconnect(aWidget, SIGNAL(objectUpdated()), this, SLOT(onWidgetObjectUpdated()));
+      }
+    }
+  }
 }
 
 //******************************************************
@@ -465,11 +657,12 @@ void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
   setGrantedFeatures(theOperation);
 
   if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
-    setPropertyPanel(theOperation);
+    fillPropertyPanel(theOperation);
+    connectToPropertyPanel(true);
   }
   updateCommandStatus();
 
-  myModule->onOperationResumed(theOperation);
+  myModule->operationResumed(theOperation);
 }
 
 
@@ -489,7 +682,8 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   hidePropertyPanel();
   myPropertyPanel->cleanContent();
 
-  myModule->onOperationStopped(aFOperation);
+  connectToPropertyPanel(false);
+  myModule->operationStopped(aFOperation);
 
   // the deactivated objects of the current operation should be activated back.
   // They were deactivated on operation start or an object redisplay
@@ -498,7 +692,8 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   if (aFeature.get()) { // feature may be not created (plugin load fail)
     if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
       anObjects.append(aFeature);
-    std::list<ResultPtr> aResults = aFeature->results();
+    std::list<ResultPtr> aResults;
+    ModelAPI_Tools::allResults(aFeature, aResults);
     std::list<ResultPtr>::const_iterator aIt;
     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
       ResultPtr anObject = *aIt;
@@ -507,124 +702,79 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
       }
     }
   }
-  QIntList aModes;
-  module()->activeSelectionModes(aModes);
-  myDisplayer->activateObjects(aModes, anObjects);
+  activateObjectsSelection(anObjects);
 }
 
 
 void XGUI_Workshop::onOperationCommitted(ModuleBase_Operation* theOperation)
 {
-  myModule->onOperationCommitted(theOperation);
+  myModule->operationCommitted(theOperation);
 }
 
 void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* theOperation)
 {
-  myModule->onOperationAborted(theOperation);
+  myModule->operationAborted(theOperation);
 }
 
 void XGUI_Workshop::setGrantedFeatures(ModuleBase_Operation* theOperation)
 {
-  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
+  ModuleBase_OperationFeature* aFOperation =
+    dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
   if (!aFOperation)
     return;
 
   QStringList aGrantedIds;
-  if (isSalomeMode())
-    aGrantedIds = mySalomeConnector->nestedActions(theOperation->id());
+  if (isSalomeMode()) {
+    const std::shared_ptr<Config_FeatureMessage>& anInfo =
+                         mySalomeConnector->featureInfo(theOperation->id());
+    if (anInfo.get())
+      aGrantedIds = QString::fromStdString(anInfo->nestedFeatures())
+                                   .split(" ", QString::SkipEmptyParts);
+  }
   else
     aGrantedIds = myActionsMgr->nestedCommands(theOperation->id());
 
-  aFOperation->setGrantedOperationIds(aGrantedIds);
-}
-
-void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
-{
-  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
-  if (!aFOperation)
-    return;
-
-  showPropertyPanel();
-  QString aXmlRepr = aFOperation->getDescription()->xmlRepresentation();
-  ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(),
-                                                                myModuleConnector);
-
-  myPropertyPanel->cleanContent();
-  aFactory.createWidget(myPropertyPanel->contentWidget());
-
-  QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
-  foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
-    bool isStoreValue = !aFOperation->isEditOperation() &&
-                        !aWidget->getDefaultValue().empty() &&
-                        !aWidget->isComputedDefault();
-    aWidget->setFeature(aFOperation->feature(), isStoreValue);
-    aWidget->enableFocusProcessing();
-  }
-  
-  myPropertyPanel->setModelWidgets(aWidgets);
-  aFOperation->setPropertyPanel(myPropertyPanel);
-
-  myModule->propertyPanelDefined(theOperation);
-
-  myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
+  ModuleBase_IModule* aModule = module();
+  if (aModule)
+    aModule->grantedOperationIds(theOperation, aGrantedIds);
 
-  myErrorMgr->setPropertyPanel(myPropertyPanel);
+  aFOperation->setGrantedOperationIds(aGrantedIds);
 }
 
-/*
- * Saves document with given name.
- */
+//******************************************************
 void XGUI_Workshop::saveDocument(const QString& theName, std::list<std::string>& theFileNames)
 {
   QApplication::restoreOverrideCursor();
   SessionPtr aMgr = ModelAPI_Session::get();
+
+  std::list<DocumentPtr> aDocList = aMgr->allOpenedDocuments();
+  std::list<DocumentPtr>::const_iterator aIt;
+  for (aIt = aDocList.cbegin(); aIt != aDocList.cend(); aIt++) {
+    std::list<bool> aState = myObjectBrowser->getStateForDoc(*aIt);
+    (*aIt)->storeNodesState(aState);
+  }
+
   aMgr->save(theName.toLatin1().constData(), theFileNames);
+
   QApplication::restoreOverrideCursor();
 }
 
+//******************************************************
 bool XGUI_Workshop::abortAllOperations()
 {
   return myOperationMgr->abortAllOperations();
 }
 
 //******************************************************
-void XGUI_Workshop::onExit()
-{
-  SessionPtr aMgr = ModelAPI_Session::get();
-  if (aMgr->isModified()) {
-    int anAnswer = QMessageBox::question(
-        myMainWindow, tr("Save current file"), tr("The document is modified, save before exit?"),
-        QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
-    if (anAnswer == QMessageBox::Save) {
-      bool saved = onSave();
-      if (!saved) {
-        return;
-      }
-    } else if (anAnswer == QMessageBox::Cancel) {
-      return;
-    }
-  }
-  qApp->exit();
-}
-
-//******************************************************
-void XGUI_Workshop::onNew()
+void XGUI_Workshop::operationStarted(ModuleBase_Operation* theOperation)
 {
-  QApplication::setOverrideCursor(Qt::WaitCursor);
-  if (objectBrowser() == 0) {
-    createDockWidgets();
-    mySelector->connectViewers();
-  }
-  myViewerProxy->connectToViewer();
-  showObjectBrowser();
-  if (!isSalomeMode()) {
-    myMainWindow->showPythonConsole();
-    QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
-    aWnd->showMaximized();
+  setGrantedFeatures(theOperation);
+  if (!theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
     updateCommandStatus();
   }
-  myContextMenuMgr->connectViewer();
-  QApplication::restoreOverrideCursor();
+  else {
+    myModule->operationStarted(theOperation);
+  }
 }
 
 //******************************************************
@@ -637,7 +787,7 @@ void XGUI_Workshop::onOpen()
   if (aSession->isModified()) {
     //TODO(sbh): re-launch the app?
     int anAnswer = QMessageBox::question(
-        myMainWindow, tr("Save current file"),
+        desktop(), tr("Save current file"),
         tr("The document is modified, save before opening another?"),
         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
     if (anAnswer == QMessageBox::Save) {
@@ -649,23 +799,114 @@ void XGUI_Workshop::onOpen()
   }
 
   //show file dialog, check if readable and open
-  myCurrentDir = QFileDialog::getExistingDirectory(mainWindow(), tr("Select directory"));
+  QString aDirectory = QFileDialog::getExistingDirectory(desktop(), tr("Select directory"));
+  openDirectory(aDirectory);
+}
+
+//******************************************************
+void XGUI_Workshop::openDirectory(const QString& theDirectory)
+{
+  myCurrentDir = theDirectory;
   if (myCurrentDir.isEmpty())
     return;
+
   QFileInfo aFileInfo(myCurrentDir);
   if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
-    QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
+    QMessageBox::critical(desktop(), tr("Warning"), tr("Unable to open the file."));
     myCurrentDir = "";
     return;
   }
+
   QApplication::setOverrideCursor(Qt::WaitCursor);
+  module()->closeDocument();
+  SessionPtr aSession = ModelAPI_Session::get();
   aSession->closeAll();
   aSession->load(myCurrentDir.toLatin1().constData());
   myObjectBrowser->rebuildDataTree();
+
+  // Open first level of data tree
+  DocumentPtr aRootDoc = aSession->moduleDocument();
+  std::list<bool> aStates;
+  aRootDoc->restoreNodesState(aStates);
+  myObjectBrowser->setStateForDoc(aRootDoc, aStates);
+
+  updateCommandStatus();
+#ifndef HAVE_SALOME
+  myMainWindow->setCurrentDir(myCurrentDir, true);
+#endif
+  QApplication::restoreOverrideCursor();
+}
+
+//******************************************************
+void XGUI_Workshop::onNew()
+{
+  QApplication::setOverrideCursor(Qt::WaitCursor);
+  if (objectBrowser() == 0) {
+    createDockWidgets();
+    mySelector->connectViewers();
+  }
+  myViewerProxy->connectToViewer();
+  showObjectBrowser();
+#ifndef HAVE_SALOME
+  myMainWindow->showPythonConsole();
+  QMdiSubWindow* aWnd = myMainWindow->viewer()->createView();
+  aWnd->showMaximized();
   updateCommandStatus();
+#endif
+  myContextMenuMgr->connectViewer();
   QApplication::restoreOverrideCursor();
 }
 
+#ifndef HAVE_SALOME
+//******************************************************
+void XGUI_Workshop::onExit()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->isModified()) {
+    int anAnswer = QMessageBox::question(
+        myMainWindow, tr("Save current file"), tr("The document is modified, save before exit?"),
+        QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
+    if (anAnswer == QMessageBox::Save) {
+      bool saved = onSave();
+      if (!saved) {
+        return;
+      }
+    } else if (anAnswer == QMessageBox::Cancel) {
+      return;
+    }
+  }
+  qApp->exit();
+}
+
+//******************************************************
+void XGUI_Workshop::onPreferences()
+{
+  ModuleBase_Prefs aModif;
+  ModuleBase_Preferences::editPreferences(aModif);
+  if (aModif.size() > 0) {
+    QString aSection;
+    foreach (ModuleBase_Pref aPref, aModif)
+    {
+      aSection = aPref.first;
+      if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
+        myMainWindow->viewer()->updateFromResources();
+      } else if (aSection == ModuleBase_Preferences::MENU_SECTION) {
+        myMainWindow->menuObject()->updateFromResources();
+      }
+    }
+    displayer()->redisplayObjects();
+  }
+}
+#endif
+
+//******************************************************
+void XGUI_Workshop::onTrihedronVisibilityChanged(bool theState)
+{
+  XGUI_Displayer* aDisplayer = displayer();
+  if (aDisplayer)
+    aDisplayer->displayTrihedron(theState);
+}
+
 //******************************************************
 bool XGUI_Workshop::onSave()
 {
@@ -677,8 +918,9 @@ bool XGUI_Workshop::onSave()
   std::list<std::string> aFiles;
   saveDocument(myCurrentDir, aFiles);
   updateCommandStatus();
-  if (!isSalomeMode())
+#ifndef HAVE_SALOME
     myMainWindow->setModifiedState(false);
+#endif
   return true;
 }
 
@@ -687,10 +929,10 @@ bool XGUI_Workshop::onSaveAs()
 {
   if(!abortAllOperations())
     return false;
-  QFileDialog dialog(mainWindow());
+  QFileDialog dialog(desktop());
   dialog.setWindowTitle(tr("Select directory to save files..."));
   dialog.setFileMode(QFileDialog::Directory);
-  dialog.setFilter(tr("Directories (*)"));
+  dialog.setFilter(QDir::AllDirs);
   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
   dialog.setViewMode(QFileDialog::Detail);
 
@@ -702,8 +944,9 @@ bool XGUI_Workshop::onSaveAs()
   QDir aDir(aTempDir);
   if (aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries).isEmpty()) {
     int answer = QMessageBox::question(
-        myMainWindow,
-        //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
+        desktop(),
+        // Title of the dialog which asks user if he wants to save study
+        // in existing non-empty folder
         tr("Save"),
         tr("The directory already contains some files, save anyway?"),
         QMessageBox::Save | QMessageBox::Cancel);
@@ -712,10 +955,10 @@ bool XGUI_Workshop::onSaveAs()
     }
   }
   myCurrentDir = aTempDir;
-  if (!isSalomeMode()) {
+#ifndef HAVE_SALOME
     myMainWindow->setCurrentDir(myCurrentDir, false);
     myMainWindow->setModifiedState(false);
-  }
+#endif
   return onSave();
 }
 
@@ -724,14 +967,18 @@ void XGUI_Workshop::onUndo(int theTimes)
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
+  std::list<std::string> aUndoList = aMgr->undoList();
   if (aMgr->isOperation()) {
-    /// this is important for nested operrations
-    /// when sketch opeation is active, this condition is false and 
+    /// this is important for nested operations
+    /// when sketch operation is active, this condition is false and
     /// the sketch operation is not aborted
     operationMgr()->onAbortOperation();
   }
-  for (int i = 0; i < theTimes; ++i) {
+  std::list<std::string>::const_iterator aIt = aUndoList.cbegin();
+  for (int i = 0; (i < theTimes) && (aIt != aUndoList.cend()); ++i, ++aIt) {
     aMgr->undo();
+    if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
+      myObjectBrowser->rebuildDataTree();
   }
 
   operationMgr()->updateApplyOfOperations();
@@ -743,20 +990,24 @@ void XGUI_Workshop::onRedo(int theTimes)
 {
   // the viewer update should be blocked in order to avoid the features blinking. For the created
   // feature a results are created, the flush of the created signal caused the viewer redisplay for
-  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
-  // redo of all possible objects happens
+  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked
+  // until redo of all possible objects happens
   bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
 
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
+  std::list<std::string> aRedoList = aMgr->redoList();
   if (aMgr->isOperation()) {
-    /// this is important for nested operrations
-    /// when sketch opeation is active, this condition is false and 
+    /// this is important for nested operations
+    /// when sketch operation is active, this condition is false and
     /// the sketch operation is not aborted
     operationMgr()->onAbortOperation();
   }
-  for (int i = 0; i < theTimes; ++i) {
+  std::list<std::string>::const_iterator aIt = aRedoList.cbegin();
+  for (int i = 0; (i < theTimes) && (aIt != aRedoList.cend()); ++i, ++aIt) {
     aMgr->redo();
+    if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
+      myObjectBrowser->rebuildDataTree();
   }
   operationMgr()->updateApplyOfOperations();
   updateCommandStatus();
@@ -767,45 +1018,65 @@ void XGUI_Workshop::onRedo(int theTimes)
 }
 
 //******************************************************
-void XGUI_Workshop::onRebuild()
+//void XGUI_Workshop::onRebuild()
+//{
+//  SessionPtr aMgr = ModelAPI_Session::get();
+//  bool aWasOperation = aMgr->isOperation(); // keep this value
+//  if (!aWasOperation) {
+//    aMgr->startOperation("Rebuild");
+//  }
+//  static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
+//  Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
+//    new Events_Message(aRebuildEvent, this)));
+//  if (!aWasOperation) {
+//    aMgr->finishOperation();
+//  }
+//  updateCommandStatus();
+//}
+
+//******************************************************
+void XGUI_Workshop::onWidgetStateChanged(int thePreviousState)
 {
-  SessionPtr aMgr = ModelAPI_Session::get();
-  bool aWasOperation = aMgr->isOperation(); // keep this value
-  if (!aWasOperation) {
-    aMgr->startOperation("Rebuild");
+  ModuleBase_ModelWidget* anActiveWidget = 0;
+  ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
+  if (anOperation) {
+    ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
+    if (aPanel)
+      anActiveWidget = aPanel->activeWidget();
   }
-  static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
-  Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
-    new Events_Message(aRebuildEvent, this)));
-  if (!aWasOperation) {
-    aMgr->finishOperation();
+  if (anActiveWidget)
+    operationMgr()->onValidateOperation();
+
+  myModule->widgetStateChanged(thePreviousState);
+}
+
+//******************************************************
+void XGUI_Workshop::onValuesChanged()
+{
+  ModuleBase_ModelWidget* aSenderWidget = (ModuleBase_ModelWidget*)(sender());
+  if (!aSenderWidget || aSenderWidget->canAcceptFocus())
+    return;
+
+  ModuleBase_ModelWidget* anActiveWidget = 0;
+  ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
+  if (anOperation) {
+    ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
+    if (aPanel)
+      anActiveWidget = aPanel->activeWidget();
+  }
+  if (anActiveWidget) {
+    ModuleBase_WidgetValidated* aWidgetValidated = dynamic_cast<ModuleBase_WidgetValidated*>
+                                                                           (anActiveWidget);
+    if (aWidgetValidated)
+      aWidgetValidated->clearValidatedCash();
   }
-  updateCommandStatus();
 }
 
-//******************************************************
-void XGUI_Workshop::onPreferences()
+void XGUI_Workshop::onWidgetObjectUpdated()
 {
-  ModuleBase_Prefs aModif;
-  ModuleBase_Preferences::editPreferences(aModif);
-  if (aModif.size() > 0) {
-    QString aSection;
-    foreach (ModuleBase_Pref aPref, aModif)
-    {
-      aSection = aPref.first;
-      if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
-        if (!isSalomeMode())
-          myMainWindow->viewer()->updateFromResources();
-      } else if (aSection == ModuleBase_Preferences::MENU_SECTION) {
-        if (!isSalomeMode())
-          myMainWindow->menuObject()->updateFromResources();
-      }
-    }
-    displayer()->redisplayObjects();
-  }
+  operationMgr()->onValidateOperation();
 }
 
-//******************************************************
 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 {
   QString libName = QString::fromStdString(library(theModule.toStdString()));
@@ -855,8 +1126,8 @@ ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
   ModuleBase_IModule* aModule = crtInst ? crtInst(myModuleConnector) : 0;
 
   if (!err.isEmpty()) {
-    if (mainWindow()) {
-      Events_Error::send(err.toStdString());
+    if (desktop()) {
+      Events_InfoMessage("XGUI_Workshop", err.toStdString()).send();
     } else {
       qWarning(qPrintable(err));
     }
@@ -879,6 +1150,9 @@ bool XGUI_Workshop::createModule()
   //  myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
 
   myModule->createFeatures();
+#ifdef HAVE_SALOME
+  salomeConnector()->createFeatureActions();
+#endif
   //myActionsMgr->update();
   return true;
 }
@@ -887,13 +1161,13 @@ bool XGUI_Workshop::createModule()
 void XGUI_Workshop::updateCommandStatus()
 {
   QList<QAction*> aCommands;
-  if (isSalomeMode()) {  // update commands in SALOME mode
+#ifdef HAVE_SALOME
     aCommands = salomeConnector()->commandList();
-  } else {
+#else
     AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
     foreach (AppElements_Command* aCmd, aMenuBar->features())
       aCommands.append(aCmd);
-  }
+#endif
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->hasModuleDocument()) {
     foreach(QAction* aCmd, aCommands) {
@@ -918,7 +1192,7 @@ void XGUI_Workshop::updateCommandStatus()
         aCmd->setEnabled(false);
     }
   }
-  myActionsMgr->update();
+  myActionsMgr->updateCommandsStatus();
   emit commandStatusUpdated();
 }
 
@@ -937,14 +1211,14 @@ void XGUI_Workshop::updateHistory()
 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 {
   QDockWidget* aObjDock = new QDockWidget(theParent);
-  aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
+  aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea |
+                            Qt::RightDockWidgetArea |
+                            Qt::BottomDockWidgetArea);
   aObjDock->setWindowTitle(tr("Object browser"));
   aObjDock->setStyleSheet(
       "::title { position: relative; padding-left: 5px; text-align: left center }");
   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
-#ifdef ModuleDataModel
-  myObjectBrowser->setDataModel(myModule->dataModel());
-#endif
+  myObjectBrowser->setXMLReader(myDataModelXMLReader);
   myModule->customizeObjectBrowser(myObjectBrowser);
   aObjDock->setWidget(myObjectBrowser);
 
@@ -959,12 +1233,14 @@ QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
  */
 void XGUI_Workshop::createDockWidgets()
 {
-  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+  QMainWindow* aDesktop = desktop();
   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
-  myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
+  myPropertyPanel = new XGUI_PropertyPanel(aDesktop, myOperationMgr);
   myPropertyPanel->setupActions(myActionsMgr);
-  myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
+  myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
+                                   Qt::RightDockWidgetArea |
+                                   Qt::BottomDockWidgetArea);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
   hidePropertyPanel();  ///<! Invisible by default
   hideObjectBrowser();
@@ -976,11 +1252,14 @@ void XGUI_Workshop::createDockWidgets()
 
   QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
   connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
-  connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
-  connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)),
-          myOperationMgr,  SLOT(onKeyReleased(QKeyEvent*)));
-  connect(myOperationMgr,  SIGNAL(validationStateChanged(bool)),
-          this, SLOT(onValidationStateChanged(bool)));
+
+  QAction* aPreviewAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Preview);
+  connect(aPreviewAct, SIGNAL(triggered()), this, SLOT(onPreviewActionClicked()));
+
+  connect(myPropertyPanel, SIGNAL(keyReleased(QObject*, QKeyEvent*)),
+          myOperationMgr,  SLOT(onKeyReleased(QObject*, QKeyEvent*)));
+  connect(myPropertyPanel, SIGNAL(enterClicked(QObject*)),
+          myOperationMgr,  SLOT(onProcessEnter(QObject*)));
 }
 
 //******************************************************
@@ -991,6 +1270,13 @@ void XGUI_Workshop::showPropertyPanel()
   aViewAct->setEnabled(true);
   myPropertyPanel->show();
   myPropertyPanel->raise();
+
+  // The next code is necessary to made the property panel the active window
+  // 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::activateWindow(myPropertyPanel, "XGUI_Workshop::showPropertyPanel()");
+  ModuleBase_Tools::setFocus(myPropertyPanel, "XGUI_Workshop::showPropertyPanel()");
 }
 
 //******************************************************
@@ -1000,18 +1286,31 @@ void XGUI_Workshop::hidePropertyPanel()
   ///<! Do not allow to show empty property panel
   aViewAct->setEnabled(false);
   myPropertyPanel->hide();
+
+  // the property panel is active window of the desktop, when it is
+  // hidden, it is undefined which window becomes active. By this reason
+  // it is defined to perform the desktop as the active window.
+  // in SALOME mode, workstack made the PyConsole the active window,
+  // set the focus on it. As a result, shortcuts of the application, like
+  // are processed by this console. For example Undo actions.
+  // It is possible that this code is to be moved to SHAPER package
+  QMainWindow* aDesktop = desktop();
+  ModuleBase_Tools::activateWindow(aDesktop, "XGUI_Workshop::hidePropertyPanel()");
+  ModuleBase_Tools::setFocus(aDesktop, "XGUI_Workshop::showPropertyPanel()");
 }
 
 //******************************************************
 void XGUI_Workshop::showObjectBrowser()
 {
-  myObjectBrowser->parentWidget()->show();
+  if (!isSalomeMode())
+    myObjectBrowser->parentWidget()->show();
 }
 
 //******************************************************
 void XGUI_Workshop::hideObjectBrowser()
 {
-  myObjectBrowser->parentWidget()->hide();
+  if (!isSalomeMode())
+    myObjectBrowser->parentWidget()->hide();
 }
 
 //******************************************************
@@ -1032,79 +1331,320 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
   if (theId == "DELETE_CMD")
     deleteObjects();
+  else if (theId == "CLEAN_HISTORY_CMD")
+    cleanHistory();
   else if (theId == "MOVE_CMD")
     moveObjects();
   else if (theId == "COLOR_CMD")
     changeColor(aObjects);
-  else if (theId == "SHOW_CMD")
+  else if (theId == "DEFLECTION_CMD")
+    changeDeflection(aObjects);
+  else if (theId == "SHOW_CMD") {
     showObjects(aObjects, true);
-  else if (theId == "HIDE_CMD")
+    mySelector->updateSelectionBy(ModuleBase_ISelection::Browser);
+    updateCommandStatus();
+  }
+  else if (theId == "HIDE_CMD") {
     showObjects(aObjects, false);
-  else if (theId == "SHOW_ONLY_CMD")
+    updateCommandStatus();
+  }
+  else if (theId == "SHOW_ONLY_CMD") {
     showOnlyObjects(aObjects);
+    mySelector->updateSelectionBy(ModuleBase_ISelection::Browser);
+    updateCommandStatus();
+  }
   else if (theId == "SHADING_CMD")
     setDisplayMode(aObjects, XGUI_Displayer::Shading);
   else if (theId == "WIREFRAME_CMD")
     setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
   else if (theId == "HIDEALL_CMD") {
+#ifdef HAVE_SALOME
+    //issue #2159 Hide all incomplete behavior
+    viewer()->eraseAll();
+#else
     QObjectPtrList aList = myDisplayer->displayedObjects();
     foreach (ObjectPtr aObj, aList) {
       if (module()->canEraseObject(aObj))
         aObj->setDisplayed(false);
     }
     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+#endif
+    updateCommandStatus();
+  } else if (theId == "SELECT_VERTEX_CMD") {
+    setViewerSelectionMode(TopAbs_VERTEX);
+  } else if (theId == "SELECT_EDGE_CMD") {
+    setViewerSelectionMode(TopAbs_EDGE);
+  } else if (theId == "SELECT_FACE_CMD") {
+    setViewerSelectionMode(TopAbs_FACE);
+  } else if (theId == "SELECT_RESULT_CMD") {
+    //setViewerSelectionMode(-1);
+    //IMP: an attempt to use result selection with other selection modes
+    setViewerSelectionMode(ModuleBase_ResultPrs::Sel_Result);
+    setViewerSelectionMode(TopAbs_COMPSOLID);
+  } else if (theId == "SHOW_RESULTS_CMD") {
+    highlightResults(aObjects);
+  } else if (theId == "SHOW_FEATURE_CMD") {
+    highlightFeature(aObjects);
+  }
+#ifdef TINSPECTOR
+  else if (theId == "TINSPECTOR_VIEW") {
+    Handle(CDF_Application) anApplication = CDF_Session::CurrentSession()->CurrentApplication();
+    if (!anApplication.IsNull())
+    {
+      if (!MyTCommunicator)
+      {
+        MyTCommunicator = new TInspector_Communicator();
+
+        NCollection_List<Handle(Standard_Transient)> aParameters;
+        aParameters.Append(anApplication);
+        Handle(AIS_InteractiveContext) aContext = viewer()->AISContext();
+        if (!aContext.IsNull())
+          aParameters.Append(aContext);
+
+        MyVCallBack = new VInspector_CallBack();
+        myDisplayer->setCallBack(MyVCallBack);
+        #ifndef HAVE_SALOME
+        AppElements_Viewer* aViewer = mainWindow()->viewer();
+        if (aViewer)
+          aViewer->setCallBack(MyVCallBack);
+        #endif
+        aParameters.Append(MyVCallBack);
+
+        MyTCommunicator->registerPlugin("SMBrowser"); // custom plugin to view ModelAPI
+
+        MyTCommunicator->init(aParameters);
+        MyTCommunicator->Activate("SMBrowser"); // to have button in TInspector
+        MyTCommunicator->Activate("TKVInspector"); // to have filled callback by model
+        MyTCommunicator->Activate("TKDFBrowser");
+      }
+      MyTCommunicator->setVisible(true);
+    }
+  }
+#endif
+}
+
+//**************************************************************
+void XGUI_Workshop::setViewerSelectionMode(int theMode)
+{
+  if (theMode == -1)
+    myViewerSelMode.clear();
+  else {
+    if (myViewerSelMode.contains(theMode))
+      myViewerSelMode.removeAll(theMode);
+    else
+      myViewerSelMode.append(theMode);
   }
+  activateObjectsSelection(myDisplayer->displayedObjects());
+}
+
+//**************************************************************
+void XGUI_Workshop::activateObjectsSelection(const QObjectPtrList& theList)
+{
+  QIntList aModes;
+  module()->activeSelectionModes(aModes);
+  if (aModes.isEmpty() && (myViewerSelMode.length() > 0))
+    aModes.append(myViewerSelMode);
+  myDisplayer->activateObjects(aModes, theList);
 }
 
 //**************************************************************
 void XGUI_Workshop::deleteObjects()
 {
   ModuleBase_IModule* aModule = module();
-  // 1. allow the module to delete objects, do nothing if it has succeed
+  // allow the module to delete objects, do nothing if it has succeed
   if (aModule->deleteObjects()) {
     updateCommandStatus();
     return;
   }
 
-  if (!abortAllOperations())
-    return;
   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
-  // It is necessary to clear selection in order to avoid selection changed event during
-  // deleteion and negative consequences connected with processing of already deleted items
-  mySelector->clearSelection();
-  // check whether the object can be deleted. There should not be parts which are not loaded
-  if (!XGUI_Tools::canRemoveOrRename(myMainWindow, anObjects))
+  if (!abortAllOperations())
     return;
 
   bool hasResult = false;
   bool hasFeature = false;
   bool hasParameter = false;
-  bool hasSubFeature = false;
-  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasSubFeature);
+  bool hasCompositeOwner = false;
+  bool hasResultInHistory = false;
+  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasCompositeOwner,
+                                 hasResultInHistory);
   if (!(hasFeature || hasParameter))
     return;
 
-  // 1. start operation
-  QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
-  aDescription += tr(" %1");
-  QStringList aObjectNames;
-  foreach (ObjectPtr aObj, anObjects) {
-    if (!aObj->data()->isValid())
-      continue;
-    aObjectNames << QString::fromStdString(aObj->data()->name());
-  }
-  aDescription = aDescription.arg(aObjectNames.join(", "));
+  // delete objects
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
+  ModelAPI_Tools::findAllReferences(aFeatures, aReferences);
+
+  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());
 
   operationMgr()->startOperation(anOpAction);
-  // 3. delete objects
-  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
-  std::set<FeaturePtr> anIgnoredFeatures;
-  if (deleteFeatures(anObjects, anIgnoredFeatures, aDesktop, true)) {
+
+  std::set<FeaturePtr> aFeatureRefsToDelete;
+  if (ModuleBase_Tools::askToDelete(aFeatures, aReferences, desktop(), aFeatureRefsToDelete)) {
+    // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
+    // It is necessary to clear selection in order to avoid selection changed event during
+    // deletion and negative consequences connected with processing of already deleted items
+    mySelector->clearSelection();
+
+    if (!aFeatureRefsToDelete.empty())
+      aFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
+    aDone = ModelAPI_Tools::removeFeatures(aFeatures, false);
+  }
+  if (aDone)
     operationMgr()->commitOperation();
+  else
+    operationMgr()->abortOperation(operationMgr()->currentOperation());
+}
+
+//**************************************************************
+void addRefsToFeature(const FeaturePtr& theFeature,
+                      const std::map<FeaturePtr, std::set<FeaturePtr> >& theMainList,
+                      std::set<FeaturePtr>& theReferences)
+{
+  //if (theReferences.find(theFeature) != theReferences.end())
+  //  return;
+  if (theMainList.find(theFeature) == theMainList.end())
+    return; // this feature is not in the selection list, so exists without references to it
+  std::set<FeaturePtr> aMainReferences = theMainList.at(theFeature);
+
+  std::set<FeaturePtr>::const_iterator anIt = aMainReferences.begin(),
+                                       aLast = aMainReferences.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aRefFeature = *anIt;
+    if (theReferences.find(aRefFeature) == theReferences.end())
+      theReferences.insert(aRefFeature);
+    addRefsToFeature(aRefFeature, theMainList, theReferences);
+  }
+}
+
+//**************************************************************
+void XGUI_Workshop::cleanHistory()
+{
+  if (!abortAllOperations())
+    return;
+
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
+
+#ifdef DEBUG_CLEAN_HISTORY
+  QStringList anInfo;
+  std::set<FeaturePtr>::const_iterator aFIt;
+  for (aFIt = aFeatures.begin(); aFIt != aFeatures.end(); ++aFIt) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(*aFIt);
+    anInfo.append(aFeature->name().c_str());
+  }
+  QString anInfoStr = anInfo.join(";\t");
+  qDebug(QString("cleanHistory for: [%1] - %2").
+    arg(aFeatures.size()).arg(anInfoStr).toStdString().c_str());
+#endif
+
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  ModelAPI_Tools::findAllReferences(aFeatures, aReferences, true, false);
+  // find for each object whether all reference values are in the map as key, that means that there
+  // is no other reference in the model to this object, so it might be removed by cleaning history
+  // sk_1(ext_1, vertex_1) + (sk_3, bool_1) - cann't be deleted, dependency to bool_1
+  // ext_1(bool_1, sk_3)  - cann't be deleted, dependency to bool_1
+  // vertex_1()
+  // sk_2(ext_2) + (bool_1)  - cann't be deleted, dependency to bool_1
+  // ext_2(bool_1)  - cann't be deleted, dependency to bool_1
+  // sk_3()
+  // Information: bool_1 is not selected
+  std::set<FeaturePtr> anUnusedObjects;
+  std::map<FeaturePtr, std::set<FeaturePtr> >::const_iterator aMainIt = aReferences.begin(),
+                                                              aMainLast = aReferences.end();
+  for (; aMainIt != aMainLast; aMainIt++) {
+    FeaturePtr aMainListFeature = aMainIt->first;
+    std::set<FeaturePtr> aMainRefList = aMainIt->second;
+    std::set<FeaturePtr>::const_iterator aRefIt = aMainRefList.begin(),
+                                                  aRefLast = aMainRefList.end();
+    bool aFeatureOutOfTheList = false;
+    for (; aRefIt != aRefLast && !aFeatureOutOfTheList; aRefIt++) {
+      FeaturePtr aRefFeature = *aRefIt;
+      aFeatureOutOfTheList = aReferences.find(aRefFeature) == aReferences.end();
+    }
+    if (!aFeatureOutOfTheList)
+      anUnusedObjects.insert(aMainListFeature);
+  }
+
+#ifdef DEBUG_CLEAN_HISTORY
+  anInfo.clear();
+  for (aFIt = anUnusedObjects.begin(); aFIt != anUnusedObjects.end(); ++aFIt) {
+    FeaturePtr aFeature = *aFIt;
+    anInfo.append(aFeature->name().c_str());
+  }
+  qDebug(QString("unused objects: [%1] - %2").
+    arg(anInfo.size()).arg(anInfo.join(";\t")).toStdString().c_str());
+#endif
+
+  // warn about the references remove, break the delete operation if the user chose it
+  if (!anUnusedObjects.empty()) {
+    QStringList aNames;
+    foreach (const FeaturePtr& aFeature, anUnusedObjects) {
+      aNames.append(aFeature->name().c_str());
+    }
+    aNames.sort();
+    QString anUnusedNames = aNames.join(", ");
+
+    QString anActionId = "CLEAN_HISTORY_CMD";
+    QString aDescription = contextMenuMgr()->action(anActionId)->text();
+
+    QMessageBox aMessageBox(desktop());
+    aMessageBox.setWindowTitle(aDescription);
+    aMessageBox.setIcon(QMessageBox::Warning);
+    aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
+    aMessageBox.setDefaultButton(QMessageBox::No);
+
+    const char* aKeyStr = "Unused features are the following: "
+                          "%1.\nThese features will be deleted.\nWould you like to continue?";
+    QString aText = QString(tr(aKeyStr).arg(anUnusedNames));
+    aMessageBox.setText(aText);
+    if (aMessageBox.exec() == QMessageBox::No)
+      return;
+
+    // 1. start operation
+    aDescription += "by deleting of " +
+      aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
+    ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
+    operationMgr()->startOperation(anOpAction);
+
+    // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
+    // It is necessary to clear selection in order to avoid selection changed event during
+    // deletion and negative consequences connected with processing of already deleted items
+    mySelector->clearSelection();
+
+    std::set<FeaturePtr> anIgnoredFeatures;
+    if (ModelAPI_Tools::removeFeatures(anUnusedObjects, true)) {
+      operationMgr()->commitOperation();
+    }
+    else {
+      operationMgr()->abortOperation(operationMgr()->currentOperation());
+    }
   }
   else {
-    operationMgr()->abortOperation(operationMgr()->currentOperation());
+    QString anActionId = "CLEAN_HISTORY_CMD";
+    QString aDescription = contextMenuMgr()->action(anActionId)->text();
+
+    QMessageBox aMessageBox(desktop());
+    aMessageBox.setWindowTitle(aDescription);
+    aMessageBox.setIcon(QMessageBox::Warning);
+    aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
+    aMessageBox.setDefaultButton(QMessageBox::No);
+
+    QString aText;
+    aMessageBox.setStandardButtons(QMessageBox::Ok);
+    aMessageBox.setDefaultButton(QMessageBox::Ok);
+
+    aText = QString(tr("All features are relevant, there is nothing to be deleted"));
+    aMessageBox.setText(aText);
+
+    if (aMessageBox.exec() == QMessageBox::No)
+      return;
   }
 }
 
@@ -1121,129 +1661,37 @@ void XGUI_Workshop::moveObjects()
   aMgr->startOperation(aDescription.toStdString());
 
   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
-  DocumentPtr anActiveDocument = aMgr->activeDocument();
+  // It is necessary to clear selection in order to avoid selection changed event during
+  // moving and negative consequences connected with processing of already moved items
+  mySelector->clearSelection();
+  // check whether the object can be moved. There should not be parts which are not loaded
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
+  if (!XGUI_Tools::canRemoveOrRename(desktop(), aFeatures))
+    return;
 
+  DocumentPtr anActiveDocument = aMgr->activeDocument();
   FeaturePtr aCurrentFeature = anActiveDocument->currentFeature(true);
-  foreach (ObjectPtr aObject, anObjects) {
-    if (!myModule->canApplyAction(aObject, anActionId))
+  std::set<FeaturePtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = *anIt;
+    if (!aFeature.get() || !myModule->canApplyAction(aFeature, anActionId))
       continue;
 
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
-    if (aFeature.get()) {
-      anActiveDocument->moveFeature(aFeature, aCurrentFeature);
-      aCurrentFeature = anActiveDocument->currentFeature(true);
-    }
+    anActiveDocument->moveFeature(aFeature, aCurrentFeature);
+    aCurrentFeature = anActiveDocument->currentFeature(true);
   }
   aMgr->finishOperation();
 }
 
 //**************************************************************
-bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theList,
-                                   const std::set<FeaturePtr>& theIgnoredFeatures,
-                                   QWidget* theParent,
-                                   const bool theAskAboutDeleteReferences)
-{
-#ifdef DEBUG_DELETE
-  QStringList aDInfo;
-  QObjectPtrList::const_iterator aDIt = theList.begin(), aDLast = theList.end();
-  for (; aDIt != aDLast; ++aDIt) {
-    aDInfo.append(ModuleBase_Tools::objectInfo((*aDIt)));
-  }
-  QString anInfoStr = aDInfo.join(", ");
-  qDebug(QString("deleteFeatures: %1, %2").arg(theList.size()).arg(anInfoStr).toStdString().c_str());
-#endif
-
-  // 1. find all referenced features
-  std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
-  foreach (ObjectPtr aDeletedObj, theList) {
-    XGUI_Tools::refsToFeatureInAllDocuments(aDeletedObj, aDeletedObj, aDirectRefFeatures, aIndirectRefFeatures);
-    std::set<FeaturePtr> aDifference;
-    std::set_difference(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end(), 
-                        aDirectRefFeatures.begin(), aDirectRefFeatures.end(), 
-                        std::inserter(aDifference, aDifference.begin()));
-    aIndirectRefFeatures = aDifference;
-  }
-  // 2. warn about the references remove, break the delete operation if the user chose it
-  if (theAskAboutDeleteReferences && !aDirectRefFeatures.empty()) {
-    QStringList aDirectRefNames;
-    foreach(const FeaturePtr& aFeature, aDirectRefFeatures)
-      aDirectRefNames.append(aFeature->name().c_str());
-    QString aDirectNames = aDirectRefNames.join(", ");
-
-    QStringList aIndirectRefNames;
-    foreach(const FeaturePtr& aFeature, aIndirectRefFeatures)
-      aIndirectRefNames.append(aFeature->name().c_str());
-    QString aIndirectNames = aIndirectRefNames.join(", ");
-
-    QMessageBox::StandardButton aRes = QMessageBox::warning(
-        theParent, tr("Delete features"),
-        QString(tr("Selected features are used in the following features: %1.\
- These features will be deleted.\n%2Would you like to continue?")).arg(aDirectNames)
-            .arg(aIndirectNames.isEmpty() ? QString() : QString("Also these features will be deleted: %1.\n").arg(aIndirectNames)),
-        QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
-    if (aRes != QMessageBox::Yes)
-      return false;
-  }
-
-  // 3. remove referenced features
-  std::set<FeaturePtr> aFeaturesToDelete = aDirectRefFeatures;
-  aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
-  std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
-                                       aLast = aFeaturesToDelete.end();
-#ifdef DEBUG_DELETE
-  QStringList anInfo;
-#endif
-  for (; anIt != aLast; anIt++) {
-    FeaturePtr aFeature = (*anIt);
-    DocumentPtr aDoc = aFeature->document();
-    if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
-      aDoc->removeFeature(aFeature);
-#ifdef DEBUG_DELETE
-      anInfo.append(ModuleBase_Tools::objectInfo(aFeature).toStdString().c_str());
-#endif
-    }
-  }
-#ifdef DEBUG_DELETE
-  qDebug(QString("remove references:%1").arg(anInfo.join("; ")).toStdString().c_str());
-  anInfo.clear();
-#endif
-
-  QString anActionId = "DELETE_CMD";
-  QString anId = QString::fromStdString(anActionId.toStdString().c_str());
-  QStringList anObjectGroups = contextMenuMgr()->actionObjectGroups(anId);
-  // 4. remove the parameter features
-  foreach (ObjectPtr aObj, theList) {
-    // features and parameters can be removed here,
-    // the results are removed only by a corresponded feature remove
-    std::string aGroupName = aObj->groupName();
-    if (!anObjectGroups.contains(aGroupName.c_str()))
-      continue;
-
-    if (!myModule->canApplyAction(aObj, anActionId))
-      continue;
+bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theObjects)
+{
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(theObjects, aFeatures);
 
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
-    if (aFeature) {
-      /*// TODO: to learn the workshop to delegate the Part object deletion to the PartSet module
-      // part features are removed in the PartSet module. This condition should be moved there
-      if (aFeature->getKind() == "Part")
-        continue;
-        */
-      DocumentPtr aDoc = aObj->document();
-      if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
-#ifdef DEBUG_DELETE
-        QString anInfoStr = ModuleBase_Tools::objectInfo(aFeature);
-        anInfo.append(anInfoStr);
-        qDebug(QString("remove feature :%1").arg(anInfoStr).toStdString().c_str());
-#endif
-        aDoc->removeFeature(aFeature);
-      }
-    }
-  }
-#ifdef DEBUG_DELETE
-  qDebug(QString("remove features:%1").arg(anInfo.join("; ")).toStdString().c_str());
-#endif
-  return true;
+  return ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 }
 
 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
@@ -1262,6 +1710,34 @@ bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes
   return isFoundResultType;
 }
 
+//**************************************************************
+// Returns the list of all features for theDocument and all features of
+// all nested parts.
+std::list<FeaturePtr> allFeatures(const DocumentPtr& theDocument)
+{
+  std::list<FeaturePtr> aResultList;
+  std::list<FeaturePtr> anAllFeatures = theDocument->allFeatures();
+  foreach (const FeaturePtr& aFeature, anAllFeatures) {
+    // The order of appending features of the part and the part itself is important
+
+    // Append features from a part feature
+    std::list<ResultPtr> aResults;
+    ModelAPI_Tools::allResults(aFeature, aResults);
+    foreach (const ResultPtr& aResult, aResults) {
+      ResultPartPtr aResultPart =
+          std::dynamic_pointer_cast<ModelAPI_ResultPart>(aResult);
+      if (aResultPart.get() && aResultPart->partDoc().get()) {
+        // Recursion
+        std::list<FeaturePtr> anAllFeatures = allFeatures(aResultPart->partDoc());
+        aResultList.insert(aResultList.end(), anAllFeatures.begin(), anAllFeatures.end());
+      }
+    }
+
+    aResultList.push_back(aFeature);
+  }
+  return aResultList;
+}
+
 //**************************************************************
 // Returns the list of features placed between theObject and the current feature
 // in the same document. Excludes theObject, includes the current feature.
@@ -1269,17 +1745,20 @@ std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
 {
   std::list<FeaturePtr> aResult;
   DocumentPtr aDocument = theObject->document();
-  std::list<FeaturePtr> anAllFeatures = aDocument->allFeatures();
+  std::list<FeaturePtr> anAllFeatures = allFeatures(aDocument);
   // find the object iterator
-  std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
-  if (aObjectIt == anAllFeatures.end()) 
+  std::list<FeaturePtr>::iterator aObjectIt =
+    std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
+  if (aObjectIt == anAllFeatures.end())
     return aResult;
   // find the current feature iterator
-  std::list<FeaturePtr>::iterator aCurrentIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
-  if (aCurrentIt == anAllFeatures.end()) 
+  std::list<FeaturePtr>::iterator aCurrentIt =
+    std::find(anAllFeatures.begin(), anAllFeatures.end(), aDocument->currentFeature(true));
+  if (aCurrentIt == anAllFeatures.end())
     return aResult;
   // check the right order
-  if (std::distance(aObjectIt, anAllFeatures.end()) <= std::distance(aCurrentIt, anAllFeatures.end()))
+  if (std::distance(aObjectIt, anAllFeatures.end()) <=
+      std::distance(aCurrentIt, anAllFeatures.end()))
     return aResult;
   // exclude the object
   std::advance(aObjectIt, 1);
@@ -1310,16 +1789,16 @@ bool XGUI_Workshop::canMoveFeature()
   QObjectPtrList::const_iterator anIt = aObjects.begin(), aLast = aObjects.end();
   for (; anIt != aLast && aCanMove; anIt++) {
     ObjectPtr aObject = *anIt;
-    // 1. Get features placed between selected and current in the document 
+    // 1. Get features placed between selected and current in the document
     std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
     // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
     if (aFeaturesBetween.empty())
       aCanMove = false;
     else {
       std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
-      // 2. Get all reference features to the selected object in the document 
+      // 2. Get all reference features to the selected object in the document
       std::set<FeaturePtr> aRefFeatures;
-      XGUI_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
+      ModuleBase_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
 
       if (aRefFeatures.empty())
         continue;
@@ -1329,7 +1808,7 @@ bool XGUI_Workshop::canMoveFeature()
         std::set_intersection(aRefFeatures.begin(), aRefFeatures.end(),
                               aPlacedFeatures.begin(), aPlacedFeatures.end(),
                               std::inserter(aIntersectionFeatures, aIntersectionFeatures.begin()));
-        // 4. Return false if any reference feature is placed before curent feature
+        // 4. Return false if any reference feature is placed before current feature
         if (!aIntersectionFeatures.empty())
           aCanMove = false;
       }
@@ -1367,7 +1846,7 @@ bool XGUI_Workshop::canChangeColor() const
   return hasResults(aObjects, aTypes);
 }
 
-void setColor(ResultPtr theResult, std::vector<int>& theColor)
+void setColor(ResultPtr theResult, const std::vector<int>& theColor)
 {
   if (!theResult.get())
     return;
@@ -1386,9 +1865,10 @@ void setColor(ResultPtr theResult, std::vector<int>& theColor)
 //**************************************************************
 void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
 {
+
   AttributeIntArrayPtr aColorAttr;
   // 1. find the current color of the object. This is a color of AIS presentation
-  // The objects are iterated until a first valid color is found 
+  // The objects are iterated until a first valid color is found
   std::vector<int> aColor;
   foreach(ObjectPtr anObject, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
@@ -1412,8 +1892,10 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
   if (aColor.size() != 3)
     return;
 
+  if (!abortAllOperations())
+  return;
   // 2. show the dialog to change the value
-  XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(mainWindow());
+  XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(desktop());
   aDlg->setColor(aColor);
   aDlg->move(QCursor::pos());
   bool isDone = aDlg->exec() == QDialog::Accepted;
@@ -1424,27 +1906,113 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
 
   // 3. abort the previous operation and start a new one
   SessionPtr aMgr = ModelAPI_Session::get();
-  bool aWasOperation = aMgr->isOperation(); // keep this value
-  if (!aWasOperation) {
-    QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
-    aMgr->startOperation(aDescription.toStdString());
-  }
+  QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
+  aMgr->startOperation(aDescription.toStdString());
 
   // 4. set the value to all results
   std::vector<int> aColorResult = aDlg->getColor();
   foreach(ObjectPtr anObj, theObjects) {
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
     if (aResult.get() != NULL) {
-      ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
+      ResultCompSolidPtr aCompsolidResult =
+        std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
+      if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
+        for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
+          setColor(aCompsolidResult->subResult(i), !isRandomColor ? aColorResult :
+                                                                    aDlg->getRandomColor());
+        }
+      }
+      setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
+    }
+  }
+  aMgr->finishOperation();
+  updateCommandStatus();
+}
+
+//**************************************************************
+bool XGUI_Workshop::canChangeDeflection() const
+{
+  QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
+
+  std::set<std::string> aTypes;
+  aTypes.insert(ModelAPI_ResultGroup::group());
+  aTypes.insert(ModelAPI_ResultConstruction::group());
+  aTypes.insert(ModelAPI_ResultBody::group());
+  aTypes.insert(ModelAPI_ResultPart::group());
+
+  return hasResults(aObjects, aTypes);
+}
+
+void setDeflection(ResultPtr theResult, const double theDeflection)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeDoublePtr aDeflectionAttr = theResult->data()->real(ModelAPI_Result::DEFLECTION_ID());
+  if (aDeflectionAttr.get() != NULL)
+    aDeflectionAttr->setValue(theDeflection);
+}
+
+
+//**************************************************************
+void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
+{
+  AttributeDoublePtr aDoubleAttr;
+  // 1. find the current color of the object. This is a color of AIS presentation
+  // The objects are iterated until a first valid color is found
+  double aDeflection = -1;
+  foreach(ObjectPtr anObject, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
+    if (aResult.get()) {
+      aDeflection = XGUI_CustomPrs::getResultDeflection(aResult);
+    }
+    else {
+      // TODO: remove the obtaining a color from the AIS object
+      // this does not happen never because:
+      // 1. The color can be changed only on results
+      // 2. The result can be not visualized in the viewer(e.g. Origin Construction)
+      AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
+      if (anAISObj.get()) {
+        aDeflection = anAISObj->getDeflection();
+      }
+    }
+    if (aDeflection > 0)
+      break;
+  }
+  if (aDeflection < 0)
+    return;
+
+  if (!abortAllOperations())
+  return;
+  // 2. show the dialog to change the value
+  XGUI_DeflectionDialog* aDlg = new XGUI_DeflectionDialog(desktop());
+  aDlg->setDeflection(aDeflection);
+  aDlg->move(QCursor::pos());
+  bool isDone = aDlg->exec() == QDialog::Accepted;
+  if (!isDone)
+    return;
+
+  // 3. abort the previous operation and start a new one
+  SessionPtr aMgr = ModelAPI_Session::get();
+  QString aDescription = contextMenuMgr()->action("DEFLECTION_CMD")->text();
+  aMgr->startOperation(aDescription.toStdString());
+
+  // 4. set the value to all results
+  aDeflection = aDlg->getDeflection();
+  foreach(ObjectPtr anObj, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() != NULL) {
+      ResultCompSolidPtr aCompsolidResult =
+        std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
       if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
-        for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++)
-          setColor(aCompsolidResult->subResult(i), aColorResult);
+        for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
+          setDeflection(aCompsolidResult->subResult(i), aDeflection);
+        }
       }
-      setColor(aResult, aColorResult);
+      setDeflection(aResult, aDeflection);
     }
   }
-  if (!aWasOperation)
-    aMgr->finishOperation();
+  aMgr->finishOperation();
   updateCommandStatus();
 }
 
@@ -1456,17 +2024,7 @@ for (int i = 0; i < aDoc->size(aGroupName); i++) { \
 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 {
   foreach (ObjectPtr aObj, theList) {
-    /*
-    ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-    if (aPartRes) {
-      DocumentPtr aDoc = aPartRes->partDoc();
-      SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), isVisible)
-      SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), isVisible)
-      SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), isVisible)
-    } else {
-    */
-      aObj->setDisplayed(isVisible);
-    //}
+    aObj->setDisplayed(isVisible);
   }
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 }
@@ -1483,20 +2041,9 @@ void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
 
   // Show only objects from the list
   foreach (ObjectPtr aObj, theList) {
-    /*
-    ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-    if (aPartRes) {
-      DocumentPtr aDoc = aPartRes->partDoc();
-      SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), true)
-      SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), true)
-      SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), true)
-    } else {
-    */
-      aObj->setDisplayed(true);
-    //}
+    aObj->setDisplayed(true);
   }
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
-
 }
 
 
@@ -1519,7 +2066,7 @@ void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
 //**************************************************************
 void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup)
 {
-  for (int i = 0; i < theDoc->size(theGroup); i++) 
+  for (int i = 0; i < theDoc->size(theGroup); i++)
     theDoc->object(theGroup, i)->setDisplayed(true);
     //displayObject(theDoc->object(theGroup, i));
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
@@ -1551,14 +2098,20 @@ void XGUI_Workshop::closeDocument()
     anOperation->abort();
     anOperation = operationMgr()->currentOperation();
   }
-  myDisplayer->closeLocalContexts();
+  //myDisplayer->closeLocalContexts();
   myDisplayer->eraseAll();
   objectBrowser()->clearContent();
 
   module()->closeDocument();
 
+  // data model need not process the document's signals about objects modifications as
+  // the document is closed
+  //bool isBlocked = objectBrowser()->dataModel()->blockEventsProcessing(true);
+
   SessionPtr aMgr = ModelAPI_Session::get();
   aMgr->closeAll();
+
+  //objectBrowser()->dataModel()->blockEventsProcessing(isBlocked);
 }
 
 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
@@ -1601,3 +2154,98 @@ QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>
   }
   return aResult;
 }
+
+void XGUI_Workshop::setStatusBarMessage(const QString& theMessage)
+{
+#ifdef HAVE_SALOME
+  salomeConnector()->putInfo(theMessage, -1);
+#else
+  myMainWindow->putInfo(theMessage, -1);
+#endif
+}
+
+void XGUI_Workshop::synchronizeViewer()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  QList<DocumentPtr> aDocs;
+  aDocs.append(aMgr->activeDocument());
+  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);
+  }
+}
+
+void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc,
+                                             const std::string& theGroup,
+                                             bool theUpdateViewer)
+{
+  ObjectPtr aObj;
+  int aSize = theDoc->size(theGroup);
+  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;
+      myDisplayer->display(aObj, false);
+    }
+  }
+  if (theUpdateViewer)
+    myDisplayer->updateViewer();
+}
+
+void XGUI_Workshop::highlightResults(const QObjectPtrList& theObjects)
+{
+  FeaturePtr aFeature;
+  QObjectPtrList aSelList = theObjects;
+  bool aHasHidden = false;
+  foreach(ObjectPtr aObj, theObjects) {
+    aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+    if (aFeature.get()) {
+      std::list<ResultPtr> aResults;
+      ModelAPI_Tools::allResults(aFeature, aResults);
+      std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
+      for(aIt = aResults.cbegin(); aIt != aResults.cend(); aIt++) {
+        aHasHidden |= (*aIt)->isConcealed();
+        aSelList.append(*aIt);
+      }
+    }
+  }
+  if (aSelList.count() > theObjects.count()) {
+    // if something was found
+    bool aBlocked = objectBrowser()->blockSignals(true);
+    objectBrowser()->setObjectsSelected(aSelList);
+    objectBrowser()->blockSignals(aBlocked);
+  }
+  if (aHasHidden)
+    QMessageBox::information(desktop(), tr("Find results"),
+                             tr("Results not found"), QMessageBox::Ok);
+}
+
+void XGUI_Workshop::highlightFeature(const QObjectPtrList& theObjects)
+{
+  ResultPtr aResult;
+  QObjectPtrList aSelList = theObjects;
+  FeaturePtr aFeature;
+  foreach(ObjectPtr aObj, theObjects) {
+    aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
+    if (aResult.get()) {
+      aFeature = ModelAPI_Feature::feature(aResult);
+      if (aFeature.get()) {
+        aSelList.append(aFeature);
+      }
+    }
+  }
+  if (aSelList.count() > theObjects.count()) {
+    // if something was found
+    bool aBlocked = objectBrowser()->blockSignals(true);
+    objectBrowser()->setObjectsSelected(aSelList);
+    objectBrowser()->blockSignals(aBlocked);
+  }
+}