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Merge branch 'master' into V9_3_BR
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
old mode 100755 (executable)
new mode 100644 (file)
index f325f3a..b42e4d0
@@ -1,21 +1,46 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+// Copyright (C) 2014-2019  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
 
-//#include "XGUI_Constants.h"
 #include "XGUI_Workshop.h"
 
 #include "XGUI_ActionsMgr.h"
+#include "XGUI_ActiveControlMgr.h"
+#include "XGUI_ActiveControlSelector.h"
 #include "XGUI_MenuMgr.h"
 #include "XGUI_ColorDialog.h"
+#include "XGUI_DeflectionDialog.h"
+#include "XGUI_TransparencyWidget.h"
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_Displayer.h"
 #include "XGUI_ErrorDialog.h"
 #include "XGUI_ErrorMgr.h"
+#include "XGUI_FacesPanel.h"
+#include "XGUI_FacesPanelSelector.h"
 #include "XGUI_ModuleConnector.h"
 #include "XGUI_ObjectsBrowser.h"
 #include "XGUI_OperationMgr.h"
 #include "XGUI_PropertyPanel.h"
+#include "XGUI_PropertyPanelSelector.h"
+#include "XGUI_PropertyDialog.h"
 #include "XGUI_SalomeConnector.h"
 #include "XGUI_Selection.h"
+#include "XGUI_SelectionActivate.h"
 #include "XGUI_SelectionMgr.h"
 #include "XGUI_Tools.h"
 #include "XGUI_ViewerProxy.h"
@@ -23,6 +48,9 @@
 #include <XGUI_CustomPrs.h>
 #include <XGUI_HistoryMenu.h>
 #include <XGUI_QtEvents.h>
+#include <XGUI_DataModel.h>
+#include <XGUI_InspectionPanel.h>
+#include <XGUI_CompressFiles.h>
 
 #ifndef HAVE_SALOME
 #include <AppElements_Button.h>
 #include <AppElements_Workbench.h>
 #endif
 
+#include <Config_XMLReader.h>
+
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_AttributeDouble.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Feature.h>
 #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 <ModelAPI_Tools.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_PagedContainer.h>
 #include <ModuleBase_WidgetValidated.h>
 #include <ModuleBase_ModelWidget.h>
+#include <ModuleBase_ResultPrs.h>
+#include <ModuleBase_ActionIntParameter.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 <QToolButton>
 #include <QAction>
 #include <QDesktopWidget>
+#include <QProcess>
+#include <QDesktopServices>
 
 #include <iterator>
 
+#ifdef TINSPECTOR
+#include <CDF_Session.hxx>
+#include <CDF_Application.hxx>
+#include <inspector/TInspector_Communicator.hxx>
+#include <inspector/VInspector_CallBack.hxx>
+static TInspector_Communicator* MyTCommunicator;
+static Handle(VInspector_CallBack) MyVCallBack;
+
+#endif
+
 #ifdef _DEBUG
 #include <QDebug>
 #include <iostream>
 #include <dlfcn.h>
 #endif
 
+//#define DEBUG_WITH_MESSAGE_REPORT
+
 QString XGUI_Workshop::MOVE_TO_END_COMMAND = QObject::tr("Move to the end");
 
 //#define DEBUG_DELETE
 //#define DEBUG_FEATURE_NAME
 //#define DEBUG_CLEAN_HISTORY
 
+#ifdef HAVE_SALOME
+static QString MyFilter(QObject::tr("SHAPER files (*.shaper *.opp)"));
+static QString MyFilter2(QObject::tr("SHAPER files (*.shaper)"));
+static QString MyExtension(".shaper");
+#else
+static QString MyFilter(QObject::tr("OpenParts files (*.opp);;All files (*.*)"));
+static QString MyFilter2(QObject::tr("OpenParts files (*.opp)"));
+static QString MyExtension(".opp");
+#endif
+
+
+//******************************************************
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
     : QObject(),
-      myCurrentDir(QString()),
       myModule(NULL),
       mySalomeConnector(theConnector),
       myPropertyPanel(0),
+      myInspectionPanel(0),
+      myFacesPanel(0),
       myObjectBrowser(0),
       myDisplayer(0)
       //myViewerSelMode(TopAbs_FACE)
 {
+  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(this);
+  mySelectionActivate = new XGUI_SelectionActivate(aWorkshop);
+
+  SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
 #ifndef HAVE_SALOME
   myMainWindow = new AppElements_MainWindow();
 
-  SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
   bool aCloc = aResMgr->booleanValue("language", "locale", true);
   if (aCloc)
     QLocale::setDefault( QLocale::c() );
-  else 
+  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();
+  //myDataModelXMLReader->readAll();
 
   myDisplayer = new XGUI_Displayer(this);
 
-  mySelector = new XGUI_SelectionMgr(this);
   connect(mySelector, SIGNAL(selectionChanged()), this, SLOT(updateCommandStatus()));
 
-  myOperationMgr = new XGUI_OperationMgr(this, 0);
   myActionsMgr = new XGUI_ActionsMgr(this);
+  myActiveControlMgr = new XGUI_ActiveControlMgr(myModuleConnector);
   myMenuMgr = new XGUI_MenuMgr(this);
   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
@@ -156,23 +249,17 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
   //connect(myViewerProxy, SIGNAL(selectionChanged()),
   //        myActionsMgr,  SLOT(updateOnViewSelection()));
 
-  myModuleConnector = new XGUI_ModuleConnector(this);
-
-  ModuleBase_IWorkshop* aWorkshop = moduleConnector();
   myOperationMgr->setWorkshop(aWorkshop);
 
   myErrorMgr = new XGUI_ErrorMgr(this, aWorkshop);
-  myEventsListener = new XGUI_WorkshopListener(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*)));
 
 #ifndef HAVE_SALOME
@@ -180,48 +267,76 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
   onTrihedronVisibilityChanged(true);
 #endif
 
-  connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
-  connect(myEventsListener, SIGNAL(errorOccurred(const QString&)),
-          myErrorDlg, SLOT(addError(const QString&)));
+  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;
+  delete mySelectionActivate;
+  delete myMenuMgr;
+  clearTemporaryDir();
 }
 
 //******************************************************
 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();
+  std::string aDir = Config_XMLReader::resourcesConfigFile();
+  Config_PropManager::registerProp("Plugins", "import_initial_path", "Import initial directory",
+                                   Config_Prop::Directory, aDir);
 
+#ifdef _DEBUG
+  Config_PropManager::registerProp("Plugins", "create_part_by_start", "Create Part by Start",
+    Config_Prop::Boolean, "false");
+
+  Config_PropManager::registerProp("Plugins", "show_hide_faces", "Show Hide Faces (on the right)",
+    Config_Prop::Boolean, "false");
+#endif
   registerValidators();
 
   // Calling of  loadCustomProps before activating module is required
@@ -233,7 +348,7 @@ void XGUI_Workshop::startApplication()
   myMainWindow->show();
   updateCommandStatus();
 #endif
-  
+
   onNew();
 
   myViewerProxy->connectViewProxy();
@@ -241,11 +356,19 @@ void XGUI_Workshop::startApplication()
           SLOT(onTrihedronVisibilityChanged(bool)));
 
   emit applicationStarted();
+
+#ifdef _DEBUG
+  bool aNewPart = Config_PropManager::boolean("Plugins", "create_part_by_start");
+  if (aNewPart) {
+      module()->launchOperation("Part", false); // PartSetPlugin_Part::ID()
+  }
+#endif
 }
 
+//******************************************************
 void XGUI_Workshop::activateModule()
 {
-  myModule->activateSelectionFilters();
+  selectionActivate()->updateSelectionFilters();
 
   connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
@@ -261,12 +384,11 @@ void XGUI_Workshop::activateModule()
   myOperationMgr->activate();
 }
 
+//******************************************************
 void XGUI_Workshop::deactivateModule()
 {
-  myModule->deactivateSelectionFilters();
-
   // remove internal displayer filter
-  displayer()->deactivateSelectionFilters();
+  displayer()->deactivateSelectionFilters(false);
 
   disconnect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
     myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
@@ -276,6 +398,17 @@ void XGUI_Workshop::deactivateModule()
   XGUI_Displayer* aDisplayer = displayer();
   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
   aDisplayer->deactivateObjects(aDisplayed, true);
+  selectionActivate()->deactivateTrihedronInSelectionModes();
+
+#ifdef BEFORE_TRIHEDRON_PATCH
+  //Handle(AIS_Trihedron) aTrihedron = Handle(AIS_Trihedron)::DownCast(aDisplayer->getTrihedron());
+  /// 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();
 }
@@ -290,9 +423,10 @@ void XGUI_Workshop::initMenu()
   QAction* aAction = salomeConnector()->addDesktopCommand("UNDO_CMD", tr("Undo"),
                                                         tr("Undo last command"),
                                                         QIcon(":pictures/undo.png"),
-                                                        QKeySequence::Undo, false, "MEN_DESK_EDIT");
+                                                        QKeySequence::Undo, false,
+                                                        "MEN_DESK_EDIT");
   QString aToolBarTitle = tr( "INF_DESK_TOOLBAR_STANDARD" );
-  salomeConnector()->addActionInToolbar( aAction,aToolBarTitle  );
+  salomeConnector()->addActionInToolbar( aAction,aToolBarTitle );
 
   connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
   addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
@@ -306,20 +440,27 @@ void XGUI_Workshop::initMenu()
   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(),
+
+  //aAction = salomeConnector()->addDesktopCommand("AUTOCOMPUTE_CMD", tr("Auto rebuild"),
+  //                                            tr("Blocks immediate apply of modifications"),
+  //                                            QIcon(":pictures/autoapply.png"), QKeySequence(),
   //                                            false, "MEN_DESK_EDIT");
   //salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
 
-  //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
-  //salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
+  //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onAutoApply()));
+
+  salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
+
 
-  aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export native..."), tr("Export the current document into a native file"),
+  // Add commands to a file menu
+  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"),
+  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()));
@@ -358,16 +499,17 @@ 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->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("AUTOCOMPUTE_CMD", tr("Auto rebuild"),
+                                tr("Blocks immediate apply of modifications"),
+                                QIcon(":pictures/autoapply_start.png"), QKeySequence());
+  aCommand->setChecked(ModelAPI_Session::get()->isAutoUpdateBlocked());
+  aCommand->connectTo(this, SLOT(onAutoApply()));
+
   aCommand = aGroup->addFeature("PREF_CMD", tr("Preferences"), tr("Edit preferences"),
                                 QIcon(":pictures/preferences.png"), QKeySequence::Preferences);
   aCommand->connectTo(this, SLOT(onPreferences()));
@@ -379,6 +521,7 @@ void XGUI_Workshop::initMenu()
 }
 
 #ifndef HAVE_SALOME
+//******************************************************
 AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 {
   AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
@@ -414,7 +557,22 @@ void XGUI_Workshop::onAcceptActionClicked()
                                                     (anOperationMgr->currentOperation());
     if (aFOperation) {
       //if (errorMgr()->canProcessClick(anAction, aFOperation->feature()))
-      myOperationMgr->onCommitOperation();
+      myOperationMgr->commitOperation();
+    }
+  }
+}
+
+//******************************************************
+void XGUI_Workshop::onAcceptPlusActionClicked()
+{
+  QAction* anAction = dynamic_cast<QAction*>(sender());
+  XGUI_OperationMgr* anOperationMgr = operationMgr();
+  if (anOperationMgr) {
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                    (anOperationMgr->currentOperation());
+    if (aFOperation) {
+      if (myOperationMgr->commitOperation())
+        module()->launchOperation(aFOperation->id(), false);
     }
   }
 }
@@ -434,11 +592,53 @@ void XGUI_Workshop::onPreviewActionClicked()
   Events_Loop::loop()->send(aMsg);
 }
 
+
+//******************************************************
+void XGUI_Workshop::onHelpActionClicked()
+{
+  XGUI_OperationMgr* anOperationMgr = operationMgr();
+  if (anOperationMgr) {
+    ModuleBase_Operation* aOperation = anOperationMgr->currentOperation();
+    if (aOperation) {
+      QString aHelpPage = aOperation->helpFileName();
+      if (!aHelpPage.isEmpty()) {
+        QString aDocDir;
+        const QChar aSep = QDir::separator();
+//        QString platform;
+//        SUIT_ResourceMgr* aResMgr = ModuleBase_Preferences::resourceMgr();
+//#ifdef WIN32
+//        platform = "winapplication";
+//#else
+//        platform = "application";
+//#endif
+//        QString aBrowserName = aResMgr->stringValue("ExternalBrowser", platform);
+
+#ifdef HAVE_SALOME
+        QString aDir(getenv("SHAPER_ROOT_DIR"));
+        if (!aDir.isEmpty()) {
+          aDocDir = aDir + aSep + "share" + aSep + "doc" + aSep +
+            "salome" + aSep + "gui" + aSep + "SHAPER";
+        }
+#else
+        QString aDir(getenv("OPENPARTS_ROOT_DIR"));
+        aDocDir = aDir + aSep + "doc" + aSep + "gui";
+#endif
+        QString aFileName = aDocDir + aSep + aHelpPage;
+        if (QFile::exists(aFileName)) {
+          QUrl aUrl = QUrl::fromLocalFile(aFileName);
+          QDesktopServices::openUrl(aUrl);
+        }
+      }
+    }
+  }
+}
+
+
 //******************************************************
 void XGUI_Workshop::deactivateActiveObject(const ObjectPtr& theObject, const bool theUpdateViewer)
 {
   if (!myModule->canActivateSelection(theObject)) {
-    if (myDisplayer->isActive(theObject)) {
+    if (selectionActivate()->isActive(theObject)) {
       QObjectPtrList anObjects;
       anObjects.append(theObject);
       myDisplayer->deactivateObjects(anObjects, theUpdateViewer);
@@ -455,7 +655,7 @@ bool XGUI_Workshop::isFeatureOfNested(const FeaturePtr& theFeature)
     XGUI_SalomeConnector* aSalomeConnector = salomeConnector();
     if (aSalomeConnector->isFeatureOfNested(actionsMgr()->action(aFeatureKind.c_str())))
       aHasNested = true;
-#else 
+#else
     AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
     AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
     if (aCommand && aCommand->button()->additionalButtonWidget())
@@ -464,13 +664,15 @@ bool XGUI_Workshop::isFeatureOfNested(const FeaturePtr& theFeature)
   return aHasNested;
 }
 
-void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
+//******************************************************
+void XGUI_Workshop::fillPropertyPanel(ModuleBase_Operation* theOperation)
 {
-  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
+  ModuleBase_OperationFeature* aFOperation =
+    dynamic_cast<ModuleBase_OperationFeature*>(theOperation);
   if (!aFOperation)
     return;
 
-  showPropertyPanel();
+  showPanel(myPropertyPanel);
   myPropertyPanel->cleanContent();
 
   QList<ModuleBase_ModelWidget*> aWidgets;
@@ -485,13 +687,15 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
   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 '" + aFeatureKind + "' has no attribute '"
-          + aWidget->attributeID() + "' used by widget '"
-          + aWidget->metaObject()->className() + "'.";
-      Events_Error::send(anErrorMsg);
-      myPropertyPanel->cleanContent();
-      return;
+    if (aWidget->usesAttribute()) {
+      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;
+      }
     }
   }
   // for performance purpose, flush should be done after all controls are filled
@@ -505,16 +709,27 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
       aWidget->restoreValue();
     aWidget->enableFocusProcessing();
   }
-  ModuleBase_Tools::flushUpdated(aFeature);
-
   // update visible state of Preview button
+  std::shared_ptr<Config_FeatureMessage> aFeatureInfo;
 #ifdef HAVE_SALOME
-  bool anIsAutoPreview = mySalomeConnector->featureInfo(aFeatureKind.c_str())->isAutoPreview();
+  aFeatureInfo = mySalomeConnector->featureInfo(aFeatureKind.c_str());
 #else
   AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
   AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
-  bool anIsAutoPreview = aCommand && aCommand->featureMessage()->isAutoPreview();
+  if (aCommand)
+    aFeatureInfo = aCommand->featureMessage();
 #endif
+  bool anIsAutoPreview = true;
+  if (aFeatureInfo.get()) {
+    anIsAutoPreview = aFeatureInfo->isAutoPreview();
+    theOperation->setHelpFileName(aFeatureInfo->helpFileName().c_str());
+  } else {
+    std::string aXmlCfg, aDescription;
+    module()->getXMLRepresentation(aFeatureKind, aXmlCfg, aDescription);
+    ModuleBase_WidgetFactory aFactory(aXmlCfg, moduleConnector());
+    anIsAutoPreview = aFactory.widgetAPI()->getBooleanAttribute(FEATURE_AUTO_PREVIEW, true);
+  }
+
   if (!anIsAutoPreview) {
     myPropertyPanel->findButton(PROP_PANEL_PREVIEW)->setVisible(true);
     // send signal about preview should not be computed automatically, click on preview
@@ -523,6 +738,10 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
                   new Events_Message(Events_Loop::eventByName(EVENT_PREVIEW_BLOCKED)));
     Events_Loop::loop()->send(aMsg);
   }
+  // if update happens after preview is blocked, it does nothing when blocked
+  // it improves performance for valid objects on feature start
+  ModuleBase_Tools::flushUpdated(aFeature);
+
   myPropertyPanel->setModelWidgets(aWidgets);
   aFOperation->setPropertyPanel(myPropertyPanel);
 
@@ -532,13 +751,15 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
   myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
 #else
   std::string aFeatureName = aFeature->name();
-  myPropertyPanel->setWindowTitle(QString("%1: %2").arg(theOperation->getDescription()->description())
-                                                  .arg(aFeatureName.c_str()));
+  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();
@@ -560,20 +781,13 @@ void XGUI_Workshop::connectToPropertyPanel(const bool isToConnect)
   }
 }
 
-//******************************************************
-void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
-{
-  setGrantedFeatures(theOperation);
-  myModule->operationStarted(theOperation);
-}
-
 //******************************************************
 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();
@@ -581,7 +795,6 @@ void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
   myModule->operationResumed(theOperation);
 }
 
-
 //******************************************************
 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 {
@@ -595,7 +808,7 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   ModuleBase_ISelection* aSel = mySelector->selection();
   QObjectPtrList aObj = aSel->selectedPresentations();
   //!< No need for property panel
-  hidePropertyPanel();
+  hidePanel(myPropertyPanel);
   myPropertyPanel->cleanContent();
 
   connectToPropertyPanel(false);
@@ -606,13 +819,14 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   QObjectPtrList anObjects;
   FeaturePtr aFeature = aFOperation->feature();
   if (aFeature.get()) { // feature may be not created (plugin load fail)
-    if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
+    if (myDisplayer->isVisible(aFeature) && !selectionActivate()->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;
-      if (myDisplayer->isVisible(anObject) && !myDisplayer->isActive(anObject)) {
+      if (myDisplayer->isVisible(anObject) && !selectionActivate()->isActive(anObject)) {
         anObjects.append(anObject);
       }
     }
@@ -620,20 +834,23 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   activateObjectsSelection(anObjects);
 }
 
-
+//******************************************************
 void XGUI_Workshop::onOperationCommitted(ModuleBase_Operation* theOperation)
 {
   myModule->operationCommitted(theOperation);
 }
 
+//******************************************************
 void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* 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;
 
@@ -655,23 +872,42 @@ void XGUI_Workshop::setGrantedFeatures(ModuleBase_Operation* theOperation)
   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::operationStarted(ModuleBase_Operation* theOperation)
+{
+  setGrantedFeatures(theOperation);
+  if (!theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
+    updateCommandStatus();
+  }
+  else {
+    myModule->operationStarted(theOperation);
+  }
+}
+
 //******************************************************
 void XGUI_Workshop::onOpen()
 {
@@ -690,24 +926,67 @@ void XGUI_Workshop::onOpen()
     } else if (anAnswer == QMessageBox::Cancel) {
       return;
     }
-    myCurrentDir = "";
+    myCurrentFile = QString();
   }
 
   //show file dialog, check if readable and open
-  myCurrentDir = QFileDialog::getExistingDirectory(desktop(), tr("Select directory"));
-  if (myCurrentDir.isEmpty())
+  QString aFile = QFileDialog::getOpenFileName(desktop(), tr("Open file"), QString(), MyFilter);
+  if (!aFile.isNull())
+    openFile(aFile);
+}
+
+//******************************************************
+void XGUI_Workshop::openFile(const QString& theDirectory)
+{
+  myCurrentFile = theDirectory;
+  if (myCurrentFile.isEmpty())
     return;
-  QFileInfo aFileInfo(myCurrentDir);
+
+  QFileInfo aFileInfo(myCurrentFile);
   if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
     QMessageBox::critical(desktop(), tr("Warning"), tr("Unable to open the file."));
-    myCurrentDir = "";
+    myCurrentFile = QString();
     return;
   }
+
   QApplication::setOverrideCursor(Qt::WaitCursor);
+  module()->closeDocument();
+  SessionPtr aSession = ModelAPI_Session::get();
   aSession->closeAll();
-  aSession->load(myCurrentDir.toLatin1().constData());
+
+  clearTemporaryDir();
+  if (!XGUI_CompressFiles::uncompress(myCurrentFile, myTmpDir.path()))
+    return;
+
+  aSession->load(myTmpDir.path().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(myCurrentFile, true);
+#endif
+
+#ifdef _DEBUG
+  bool aNewPart = Config_PropManager::boolean("Plugins", "create_part_by_start");
+  if (aNewPart) {
+
+    DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
+    int aSize = aRootDoc->size(ModelAPI_ResultPart::group());
+    if (aSize > 0 ) {
+      ObjectPtr aObject = aRootDoc->object(ModelAPI_ResultPart::group(), 0);
+      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObject);
+      if (aPart.get())
+        aPart->activate();
+    }
+  }
+#endif
+
   QApplication::restoreOverrideCursor();
 }
 
@@ -784,52 +1063,51 @@ void XGUI_Workshop::onTrihedronVisibilityChanged(bool theState)
 //******************************************************
 bool XGUI_Workshop::onSave()
 {
-  if(!abortAllOperations())
+  if(!myOperationMgr->abortAllOperations(XGUI_OperationMgr::XGUI_InformationMessage))
     return false;
-  if (myCurrentDir.isEmpty()) {
+  if (myCurrentFile.isEmpty()) {
     return onSaveAs();
   }
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->isAutoUpdateBlocked())
+    aMgr->blockAutoUpdate(false);
+
   std::list<std::string> aFiles;
-  saveDocument(myCurrentDir, aFiles);
-  updateCommandStatus();
+  // issue #2899: create a temporary directory, save and then remove it
+#ifdef HAVE_SALOME
+  std::string aTmpDir = XGUI_Tools::getTmpDirByEnv("SALOME_TMP_DIR");
+#else
+  std::string aTmpDir = XGUI_Tools::getTmpDirByEnv("");
+#endif
+  saveDocument(QString(aTmpDir.c_str()), aFiles);
+  bool aResult = XGUI_CompressFiles::compress(myCurrentFile, aFiles);
+  XGUI_Tools::removeTemporaryFiles(aTmpDir, aFiles);
+
+  if (aResult) {
+    updateCommandStatus();
 #ifndef HAVE_SALOME
     myMainWindow->setModifiedState(false);
 #endif
-  return true;
+  }
+  return aResult;
 }
 
 //******************************************************
 bool XGUI_Workshop::onSaveAs()
 {
-  if(!abortAllOperations())
+  if(!myOperationMgr->abortAllOperations(XGUI_OperationMgr::XGUI_InformationMessage))
     return false;
-  QFileDialog dialog(desktop());
-  dialog.setWindowTitle(tr("Select directory to save files..."));
-  dialog.setFileMode(QFileDialog::Directory);
-  dialog.setFilter(tr("Directories (*)"));
-  dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
-  dialog.setViewMode(QFileDialog::Detail);
-
-  if (!dialog.exec()) {
-    return false;
-  }
-
-  QString aTempDir = dialog.selectedFiles().first();
-  QDir aDir(aTempDir);
-  if (aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries).isEmpty()) {
-    int answer = QMessageBox::question(
-        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);
-    if (answer == QMessageBox::Cancel) {
-      return false;
+  myCurrentFile = QFileDialog::getSaveFileName(desktop(), tr("Select name to save file..."),
+    QString(), MyFilter2);
+  if (!myCurrentFile.isNull()) {
+    if (!myCurrentFile.endsWith(MyExtension)) {
+      myCurrentFile += MyExtension;
     }
   }
-  myCurrentDir = aTempDir;
+  else
+    return false;
 #ifndef HAVE_SALOME
-    myMainWindow->setCurrentDir(myCurrentDir, false);
+    myMainWindow->setCurrentDir(myCurrentFile, false);
     myMainWindow->setModifiedState(false);
 #endif
   return onSave();
@@ -838,85 +1116,80 @@ bool XGUI_Workshop::onSaveAs()
 //******************************************************
 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 operations
-    /// when sketch operation is active, this condition is false and
-    /// the sketch operation is not aborted
-    operationMgr()->onAbortOperation();
-  }
-  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();
-  updateCommandStatus();
+  processUndoRedo(ActionUndo, theTimes);
+  myObjectBrowser->updateAllIndexes(1);
 }
 
 //******************************************************
 void XGUI_Workshop::onRedo(int theTimes)
 {
+  processUndoRedo(ActionRedo, theTimes);
+  myObjectBrowser->updateAllIndexes(1);
+}
+
+//******************************************************
+void XGUI_Workshop::processUndoRedo(const ModuleBase_ActionType theActionType, int theTimes)
+{
+  ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+  if (anActiveWidget) {
+    ActionIntParamPtr aParam(new ModuleBase_ActionIntParameter(theTimes));
+    if (anActiveWidget->processAction(theActionType, aParam))
+      return;
+  }
   // 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()) {
+    XGUI_OperationMgr* aOpMgr = operationMgr();
     /// this is important for nested operations
     /// when sketch operation is active, this condition is false and
     /// the sketch operation is not aborted
-    operationMgr()->onAbortOperation();
+    if (aOpMgr->canStopOperation(aOpMgr->currentOperation()))
+      aOpMgr->abortOperation(aOpMgr->currentOperation());
+    else
+    {
+      myDisplayer->enableUpdateViewer(isUpdateEnabled);
+      return;
+    }
   }
-  std::list<std::string>::const_iterator aIt = aRedoList.cbegin();
-  for (int i = 0; (i < theTimes) && (aIt != aRedoList.cend()); ++i, ++aIt) {
-    aMgr->redo();
+  objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
+  std::list<std::string> anActionList = theActionType == ActionUndo ? aMgr->undoList()
+    : aMgr->redoList();
+  std::list<std::string>::const_iterator aIt = anActionList.cbegin();
+  for (int i = 0; (i < theTimes) && (aIt != anActionList.cend()); ++i, ++aIt) {
+    if (theActionType == ActionUndo)
+      aMgr->undo();
+    else
+      aMgr->redo();
+
     if (QString((*aIt).c_str()) == MOVE_TO_END_COMMAND)
       myObjectBrowser->rebuildDataTree();
   }
   operationMgr()->updateApplyOfOperations();
+  facesPanel()->reset(true);
   updateCommandStatus();
 
   // unblock the viewer update functionality and make update on purpose
   myDisplayer->enableUpdateViewer(isUpdateEnabled);
   myDisplayer->updateViewer();
+  // Clear messages in status bar from previous operations if exists
+  setStatusBarMessage("");
 }
 
-//******************************************************
-//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)
 {
-  ModuleBase_ModelWidget* anActiveWidget = 0;
-  ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
-  if (anOperation) {
-    ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
-    if (aPanel)
-      anActiveWidget = aPanel->activeWidget();
-  }
+  ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+  //ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
+  //if (anOperation) {
+  //  ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
+  //  if (aPanel)
+  //    anActiveWidget = aPanel->activeWidget();
+  //}
   if (anActiveWidget)
     operationMgr()->onValidateOperation();
 
@@ -945,11 +1218,13 @@ void XGUI_Workshop::onValuesChanged()
   }
 }
 
+//******************************************************
 void XGUI_Workshop::onWidgetObjectUpdated()
 {
   operationMgr()->onValidateOperation();
 }
 
+//******************************************************
 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 {
   QString libName = QString::fromStdString(library(theModule.toStdString()));
@@ -962,7 +1237,7 @@ ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
   CREATE_FUNC crtInst = 0;
 
 #ifdef WIN32
-  HINSTANCE modLib = ::LoadLibrary((LPTSTR) qPrintable(libName));
+  HINSTANCE modLib = ::LoadLibraryA(qPrintable(libName));
   if (!modLib) {
     LPVOID lpMsgBuf;
     ::FormatMessage(
@@ -1000,7 +1275,7 @@ ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 
   if (!err.isEmpty()) {
     if (desktop()) {
-      Events_Error::send(err.toStdString());
+      Events_InfoMessage("XGUI_Workshop", err.toStdString()).send();
     } else {
       qWarning(qPrintable(err));
     }
@@ -1045,10 +1320,29 @@ void XGUI_Workshop::updateCommandStatus()
   if (aMgr->hasModuleDocument()) {
     foreach(QAction* aCmd, aCommands) {
       QString aId = aCmd->data().toString();
-      if (aId == "UNDO_CMD")
-        aCmd->setEnabled(myModule->canUndo());
-      else if (aId == "REDO_CMD")
-        aCmd->setEnabled(myModule->canRedo());
+      if (aId == "UNDO_CMD") {
+        bool isActionEnabled = false;
+        // if ultimate is true -> using result of operation only, or using OR combination
+        ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+        if (anActiveWidget && anActiveWidget->canProcessAction(ActionUndo, isActionEnabled))
+          aCmd->setEnabled(isActionEnabled);
+        else
+          aCmd->setEnabled(myModule->canUndo());
+      }
+      else if (aId == "REDO_CMD") {
+        bool isActionEnabled = false;
+        // if ultimate is true -> using result of operation only, or using OR combination
+        ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+        if (anActiveWidget && anActiveWidget->canProcessAction(ActionRedo, isActionEnabled))
+          aCmd->setEnabled(isActionEnabled);
+        else
+          aCmd->setEnabled(myModule->canRedo());
+      }
+      else if (aId == "AUTOCOMPUTE_CMD") {
+        aCmd->setIcon(aMgr->isAutoUpdateBlocked() ?
+          QIcon(":pictures/autoapply_stop.png") :
+          QIcon(":pictures/autoapply_start.png"));
+      }
       else
         // Enable all commands
         aCmd->setEnabled(true);
@@ -1069,14 +1363,24 @@ void XGUI_Workshop::updateCommandStatus()
   emit commandStatusUpdated();
 }
 
+//******************************************************
 void XGUI_Workshop::updateHistory()
 {
-  std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
-  QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
-  emit updateUndoHistory(aUndoRes);
+  bool isActionEnabled = false;
+  ModuleBase_ModelWidget* anActiveWidget = myOperationMgr->activeWidget();
+  QList<ActionInfo> aUndoRes;
+  QList<ActionInfo> aRedoRes;
+  if (anActiveWidget && anActiveWidget->canProcessAction(ActionUndo, isActionEnabled)) {
+    aUndoRes = anActiveWidget->actionsList(ActionUndo);
+    aRedoRes = anActiveWidget->actionsList(ActionRedo);
+  } else {
+    std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
+    aUndoRes = processHistoryList(aUndoList);
 
-  std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
-  QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
+    std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
+    aRedoRes = processHistoryList(aRedoList);
+  }
+  emit updateUndoHistory(aUndoRes);
   emit updateRedoHistory(aRedoRes);
 }
 
@@ -1084,12 +1388,14 @@ 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);
-  myObjectBrowser->setXMLReader(myDataModelXMLReader);
+  myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock, this);
+  myObjectBrowser->initialize(myModule->rootNode());
   myModule->customizeObjectBrowser(myObjectBrowser);
   aObjDock->setWidget(myObjectBrowser);
 
@@ -1108,23 +1414,77 @@ void XGUI_Workshop::createDockWidgets()
   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
   myPropertyPanel = new XGUI_PropertyPanel(aDesktop, myOperationMgr);
+  myActiveControlMgr->addSelector(new XGUI_PropertyPanelSelector(myPropertyPanel));
+
   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
+  hidePanel(myPropertyPanel);  ///<! Invisible by default
+
+  myFacesPanel = new XGUI_FacesPanel(aDesktop, myModuleConnector);
+  myActiveControlMgr->addSelector(new XGUI_FacesPanelSelector(myFacesPanel));
+  myFacesPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
+                                Qt::RightDockWidgetArea |
+                                Qt::BottomDockWidgetArea);
+  connect(myFacesPanel, SIGNAL(closed()), myFacesPanel, SLOT(onClosed()));
+
+  myInspectionPanel = new XGUI_InspectionPanel(aDesktop, mySelector);
+  myInspectionPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
+    Qt::RightDockWidgetArea);
+  aDesktop->addDockWidget(Qt::RightDockWidgetArea, myInspectionPanel);
+
+  myInspectionPanel->hide();
+
+  aDesktop->addDockWidget(
+#ifdef HAVE_SALOME
+    Qt::RightDockWidgetArea,
+#else
+    Qt::LeftDockWidgetArea,
+#endif
+    myFacesPanel);
+  hidePanel(myFacesPanel);  ///<! Invisible by default
+
+#ifdef _DEBUG
+  bool aShowOnTheRight = Config_PropManager::boolean("Plugins", "show_hide_faces");
+  if (aShowOnTheRight) {
+    aDesktop->addDockWidget(Qt::RightDockWidgetArea, myFacesPanel);
+    showPanel(myFacesPanel);
+  }
+#endif
   hideObjectBrowser();
+
+#ifndef HAVE_SALOME
+#ifdef _DEBUG
+  if (!aShowOnTheRight)
+  {
+#endif // _DEBUG
+  aDesktop->tabifyDockWidget(myFacesPanel, aObjDock);
+#ifdef _DEBUG
+  }
+#endif // _DEBUG
+
+#endif // HAVE_SALOME
+
   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
   myPropertyPanel->installEventFilter(myOperationMgr);
 
   QAction* aOkAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
   connect(aOkAct, SIGNAL(triggered()), this, SLOT(onAcceptActionClicked()));
 
+  QAction* aOkContAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptPlus);
+  connect(aOkContAct, SIGNAL(triggered()), this, SLOT(onAcceptPlusActionClicked()));
+
   QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
   connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
 
   QAction* aPreviewAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Preview);
   connect(aPreviewAct, SIGNAL(triggered()), this, SLOT(onPreviewActionClicked()));
 
+  QAction* aHelpAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Help);
+  connect(aHelpAct, SIGNAL(triggered()), this, SLOT(onHelpActionClicked()));
+
   connect(myPropertyPanel, SIGNAL(keyReleased(QObject*, QKeyEvent*)),
           myOperationMgr,  SLOT(onKeyReleased(QObject*, QKeyEvent*)));
   connect(myPropertyPanel, SIGNAL(enterClicked(QObject*)),
@@ -1132,29 +1492,32 @@ void XGUI_Workshop::createDockWidgets()
 }
 
 //******************************************************
-void XGUI_Workshop::showPropertyPanel()
+void XGUI_Workshop::showPanel(QDockWidget* theDockWidget)
 {
-  QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  ///<! Restore ability to close panel from the window's menu
-  aViewAct->setEnabled(true);
-  myPropertyPanel->show();
-  myPropertyPanel->raise();
+  if (theDockWidget == myPropertyPanel) {
+    QAction* aViewAct = myPropertyPanel->toggleViewAction();
+    ///<! Restore ability to close panel from the window's menu
+    aViewAct->setEnabled(true);
+  }
+  theDockWidget->show();
+  theDockWidget->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()");
+  ModuleBase_Tools::setFocus(theDockWidget, "XGUI_Workshop::showPanel()");
 }
 
 //******************************************************
-void XGUI_Workshop::hidePropertyPanel()
+void XGUI_Workshop::hidePanel(QDockWidget* theDockWidget)
 {
-  QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  ///<! Do not allow to show empty property panel
-  aViewAct->setEnabled(false);
-  myPropertyPanel->hide();
+  if (theDockWidget && theDockWidget == myPropertyPanel) {
+    QAction* aViewAct = theDockWidget->toggleViewAction();
+    ///<! Do not allow to show empty property panel
+    aViewAct->setEnabled(false);
+  }
+  theDockWidget->hide();
 
   // the property panel is active window of the desktop, when it is
   // hidden, it is undefined which window becomes active. By this reason
@@ -1164,15 +1527,15 @@ void XGUI_Workshop::hidePropertyPanel()
   // 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()");
+  ModuleBase_Tools::setFocus(aDesktop, "XGUI_Workshop::hidePanel()");
 }
 
 //******************************************************
 void XGUI_Workshop::showObjectBrowser()
 {
-  if (!isSalomeMode())
+  if (!isSalomeMode()) {
     myObjectBrowser->parentWidget()->show();
+  }
 }
 
 //******************************************************
@@ -1206,15 +1569,25 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     moveObjects();
   else if (theId == "COLOR_CMD")
     changeColor(aObjects);
+  else if (theId == "DEFLECTION_CMD")
+    changeDeflection(aObjects);
+#ifdef USE_TRANSPARENCY
+  else if (theId == "TRANSPARENCY_CMD")
+    changeTransparency(aObjects);
+#endif
   else if (theId == "SHOW_CMD") {
     showObjects(aObjects, true);
     mySelector->updateSelectionBy(ModuleBase_ISelection::Browser);
+    updateCommandStatus();
   }
-  else if (theId == "HIDE_CMD")
+  else if (theId == "HIDE_CMD") {
     showObjects(aObjects, false);
+    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);
@@ -1227,21 +1600,97 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
         aObj->setDisplayed(false);
     }
     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+#ifdef HAVE_SALOME
+    //issue #2159 Hide all incomplete behavior
+    viewer()->eraseAll();
+#endif
+    updateCommandStatus();
+    // Necessary for update icons in ObjectBrowser on Linux
+    myObjectBrowser->updateAllIndexes();
   } 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 == "INSERT_FOLDER_CMD") {
+    insertFeatureFolder();
+  } else if (theId == "ADD_TO_FOLDER_BEFORE_CMD") {
+    insertToFolder(true);
+  } else if (theId == "ADD_TO_FOLDER_AFTER_CMD") {
+    insertToFolder(false);
+  } else if (theId == "ADD_OUT_FOLDER_BEFORE_CMD") {
+    moveOutFolder(true);
+  } else if (theId == "ADD_OUT_FOLDER_AFTER_CMD") {
+    moveOutFolder(false);
   } else if (theId == "SELECT_RESULT_CMD") {
-    setViewerSelectionMode(-1);
+    //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);
+
+#ifdef DEBUG_WITH_MESSAGE_REPORT
+        Handle(Message_Report) aContextReport = aContext->GetReport();
+        aContext->SetReportActive (Standard_True);
+        aContextReport->SetLimit (1000);
+        if (!aContextReport.IsNull())
+          aParameters.Append(aContextReport);
+#endif
+        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("TKDFBrowser");
+        MyTCommunicator->RegisterPlugin("TKShapeView");
+        MyTCommunicator->RegisterPlugin("TKVInspector");
+#ifdef DEBUG_WITH_MESSAGE_REPORT
+        MyTCommunicator->RegisterPlugin("TKMessageView");
+#endif
+        //MyTCommunicator->RegisterPlugin("SMBrowser"); // custom plugin to view ModelAPI
+        //MyTCommunicator->RegisterPlugin("TKSMBrowser"); // custom plugin to view ModelAPI
+
+        MyTCommunicator->Init(aParameters);
+        MyTCommunicator->Activate("TKSMBrowser"); // to have button in TInspector
+#ifndef DEBUG_WITH_MESSAGE_REPORT
+        MyTCommunicator->Activate("TKVInspector"); // to have filled callback by model
+#endif
+        MyTCommunicator->Activate("TKDFBrowser");
+
+#ifdef DEBUG_WITH_MESSAGE_REPORT
+        MyTCommunicator->Activate("TKMessageView"); // temporary
+        MyTCommunicator->Activate("TKVInspector"); // to have filled callback by model
+#endif
+      }
+      MyTCommunicator->SetVisible(true);
+    }
+  }
+#endif
+}
+
 //**************************************************************
 void XGUI_Workshop::setViewerSelectionMode(int theMode)
 {
@@ -1253,7 +1702,7 @@ void XGUI_Workshop::setViewerSelectionMode(int theMode)
     else
       myViewerSelMode.append(theMode);
   }
-  activateObjectsSelection(myDisplayer->displayedObjects());
+  selectionActivate()->updateSelectionModes();
 }
 
 //**************************************************************
@@ -1263,7 +1712,61 @@ void XGUI_Workshop::activateObjectsSelection(const QObjectPtrList& theList)
   module()->activeSelectionModes(aModes);
   if (aModes.isEmpty() && (myViewerSelMode.length() > 0))
     aModes.append(myViewerSelMode);
-  myDisplayer->activateObjects(aModes, theList);
+  selectionActivate()->activateObjects(aModes, theList);
+}
+
+//**************************************************************
+bool XGUI_Workshop::prepareForDisplay(const std::set<ObjectPtr>& theObjects) const
+{
+  if (facesPanel()->isEmpty())
+    return true;
+
+  // generate container of objects taking into account sub elments of compsolid
+  std::set<ObjectPtr> anAllProcessedObjects;
+  for (std::set<ObjectPtr>::const_iterator anObjectsIt = theObjects.begin();
+    anObjectsIt != theObjects.end(); anObjectsIt++) {
+    ObjectPtr anObject = *anObjectsIt;
+    ResultBodyPtr aCompRes = std::dynamic_pointer_cast<ModelAPI_ResultBody>(anObject);
+    if (aCompRes.get()) {
+      std::list<ResultPtr> allRes;
+      ModelAPI_Tools::allSubs(aCompRes, allRes);
+      if (allRes.empty()) {
+        anAllProcessedObjects.insert(anObject);
+      } else {
+        for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+          ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(*aRes);
+          if (aBody.get() && aBody->numberOfSubs() == 0)
+            anAllProcessedObjects.insert(aBody);
+        }
+      }
+    } else
+      anAllProcessedObjects.insert(anObject);
+  }
+
+  // find hidden objects in faces panel
+  std::set<ObjectPtr> aHiddenObjects;
+  QStringList aHiddenObjectNames;
+  for (std::set<ObjectPtr>::const_iterator anObjectsIt = anAllProcessedObjects.begin();
+       anObjectsIt != anAllProcessedObjects.end(); anObjectsIt++) {
+    if (!facesPanel()->isObjectHiddenByPanel(*anObjectsIt))
+      continue;
+    aHiddenObjects.insert(*anObjectsIt);
+    aHiddenObjectNames.append((*anObjectsIt)->data()->name().c_str());
+  }
+  if (aHiddenObjects.empty()) // in parameter objects there are no hidden objects in hide face
+    return true;
+
+  int anAnswer = QMessageBox::question(
+        desktop(), tr("Show object"),
+        tr("'%1'\n are hidden by %2:\nRemove objects from the panel to be displayed?")
+        .arg(aHiddenObjectNames.join(", ")).arg(facesPanel()->windowTitle()),
+        QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
+
+  bool aToBeDisplayed = anAnswer == QMessageBox::Yes;
+  if (aToBeDisplayed)
+    facesPanel()->restoreObjects(aHiddenObjects);
+
+  return aToBeDisplayed;
 }
 
 //**************************************************************
@@ -1279,16 +1782,16 @@ void XGUI_Workshop::deleteObjects()
   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
   if (!abortAllOperations())
     return;
-  // check whether the object can be deleted. There should not be parts which are not loaded
-  if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
-    return;
 
   bool hasResult = false;
   bool hasFeature = false;
   bool hasParameter = false;
   bool hasCompositeOwner = false;
-  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasCompositeOwner);
-  if (!(hasFeature || hasParameter))
+  bool hasResultInHistory = false;
+  bool hasFolder = false;
+  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter, hasCompositeOwner,
+                                 hasResultInHistory, hasFolder);
+  if (!(hasFeature || hasParameter || hasFolder))
     return;
 
   // delete objects
@@ -1297,6 +1800,9 @@ void XGUI_Workshop::deleteObjects()
   ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
   ModelAPI_Tools::findAllReferences(aFeatures, aReferences);
 
+  std::set<FolderPtr> aFolders;
+  ModuleBase_Tools::convertToFolders(anObjects, aFolders);
+
   bool aDone = false;
   QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text() + " %1";
   aDescription = aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
@@ -1315,6 +1821,18 @@ void XGUI_Workshop::deleteObjects()
       aFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
     aDone = ModelAPI_Tools::removeFeatures(aFeatures, false);
   }
+  if (aFolders.size() > 0) {
+    std::set<FolderPtr>::const_iterator anIt = aFolders.begin(),
+                                         aLast = aFolders.end();
+    for (; anIt != aLast; anIt++) {
+      FolderPtr aFolder = *anIt;
+      if (aFolder.get()) {
+        DocumentPtr aDoc = aFolder->document();
+        aDoc->removeFolder(aFolder);
+      }
+    }
+  }
+
   if (aDone)
     operationMgr()->commitOperation();
   else
@@ -1360,13 +1878,14 @@ void XGUI_Workshop::cleanHistory()
     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());
+  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
+  // 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()
@@ -1380,7 +1899,8 @@ void XGUI_Workshop::cleanHistory()
   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();
+    std::set<FeaturePtr>::const_iterator aRefIt = aMainRefList.begin(),
+                                                  aRefLast = aMainRefList.end();
     bool aFeatureOutOfTheList = false;
     for (; aRefIt != aRefLast && !aFeatureOutOfTheList; aRefIt++) {
       FeaturePtr aRefFeature = *aRefIt;
@@ -1396,7 +1916,8 @@ void XGUI_Workshop::cleanHistory()
     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());
+  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
@@ -1417,14 +1938,16 @@ void XGUI_Workshop::cleanHistory()
     aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
     aMessageBox.setDefaultButton(QMessageBox::No);
 
-    QString aText = QString(tr("Unused features are the following: %1.\nThese features will be deleted.\nWould you like to continue?")
-                   .arg(anUnusedNames));
+    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, ", "));
+    aDescription += "by deleting of " +
+      aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
     ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
     operationMgr()->startOperation(anOpAction);
 
@@ -1480,20 +2003,21 @@ void XGUI_Workshop::moveObjects()
   // 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
-  if (!XGUI_Tools::canRemoveOrRename(desktop(), anObjects))
+  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();
 }
@@ -1501,13 +2025,13 @@ void XGUI_Workshop::moveObjects()
 //**************************************************************
 bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theObjects)
 {
-  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
   std::set<FeaturePtr> aFeatures;
   ModuleBase_Tools::convertToFeatures(theObjects, aFeatures);
 
   return ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 }
 
+//******************************************************
 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
 {
   bool isFoundResultType = false;
@@ -1535,7 +2059,9 @@ std::list<FeaturePtr> allFeatures(const DocumentPtr& theDocument)
     // The order of appending features of the part and the part itself is important
 
     // Append features from a part feature
-    foreach (const ResultPtr& aResult, aFeature->results()) {
+    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()) {
@@ -1559,15 +2085,18 @@ std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
   DocumentPtr aDocument = theObject->document();
   std::list<FeaturePtr> anAllFeatures = allFeatures(aDocument);
   // find the object iterator
-  std::list<FeaturePtr>::iterator aObjectIt = std::find(anAllFeatures.begin(), anAllFeatures.end(), theObject);
+  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));
+  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);
@@ -1576,6 +2105,7 @@ std::list<FeaturePtr> toCurrentFeatures(const ObjectPtr& theObject)
   return std::list<FeaturePtr>(aObjectIt, aCurrentIt);
 }
 
+//******************************************************
 bool XGUI_Workshop::canMoveFeature()
 {
   QString anActionId = "MOVE_CMD";
@@ -1598,14 +2128,25 @@ 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 
+    if (!aObject.get() || !aObject->data().get() || !aObject->data()->isValid()) {
+      aCanMove = false;
+      break;
+    }
+    FeaturePtr aFeat = std::dynamic_pointer_cast<ModelAPI_Feature>(aObject);
+    // only groups can be moved to the end for now (#2451)
+    if (aFeat.get() && aFeat->getKind() != "Group") {
+      aCanMove = false;
+      break;
+    }
+
+    // 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;
       ModuleBase_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
 
@@ -1631,30 +2172,42 @@ bool XGUI_Workshop::canBeShaded(const ObjectPtr& theObject) const
 {
   bool aCanBeShaded = myDisplayer->canBeShaded(theObject);
   if (!aCanBeShaded) {
-    ResultCompSolidPtr aCompsolidResult =
-                std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(theObject);
-    if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
-      for(int i = 0; i < aCompsolidResult->numberOfSubs() && !aCanBeShaded; i++)
-        aCanBeShaded = myDisplayer->canBeShaded(aCompsolidResult->subResult(i));
+    ResultBodyPtr aCompRes = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theObject);
+    if (aCompRes.get() != NULL) { // change colors for all sub-solids
+      std::list<ResultPtr> allRes;
+      ModelAPI_Tools::allSubs(aCompRes, allRes);
+      std::list<ResultPtr>::iterator aRes = allRes.begin();
+      for(; aRes != allRes.end() && !aCanBeShaded; aRes++) {
+        aCanBeShaded = myDisplayer->canBeShaded(*aRes);
+      }
     }
   }
   return aCanBeShaded;
 }
 
 //**************************************************************
-bool XGUI_Workshop::canChangeColor() const
+bool XGUI_Workshop::canChangeProperty(const QString& theActionName) const
 {
-  QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
+  if (theActionName == "COLOR_CMD" ||
+      theActionName == "DEFLECTION_CMD"
+#ifdef USE_TRANSPARENCY
+      || theActionName == "TRANSPARENCY_CMD"
+#endif
+      ) {
+    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());
+    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);
+    return hasResults(aObjects, aTypes);
+  }
+  return false;
 }
 
+//******************************************************
 void setColor(ResultPtr theResult, const std::vector<int>& theColor)
 {
   if (!theResult.get())
@@ -1669,6 +2222,9 @@ void setColor(ResultPtr theResult, const std::vector<int>& theColor)
     aColorAttr->setValue(1, theColor[1]);
     aColorAttr->setValue(2, theColor[2]);
   }
+  static const Events_ID kRedisplayEvent =
+    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
 }
 
 //**************************************************************
@@ -1677,7 +2233,7 @@ 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);
@@ -1702,7 +2258,7 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
     return;
 
   if (!abortAllOperations())
-  return; 
+  return;
   // 2. show the dialog to change the value
   XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(desktop());
   aDlg->setColor(aColor);
@@ -1723,10 +2279,12 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
   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), !isRandomColor ? aColorResult : aDlg->getRandomColor());
+      ResultBodyPtr aBodyResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResult);
+      if (aBodyResult.get() != NULL) { // change colors for all sub-solids
+        std::list<ResultPtr> allRes;
+        ModelAPI_Tools::allSubs(aBodyResult, allRes);
+        for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+          setColor(*aRes, !isRandomColor ? aColorResult : aDlg->getRandomColor());
         }
       }
       setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
@@ -1736,58 +2294,264 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
   updateCommandStatus();
 }
 
+//**************************************************************
+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);
+  static const Events_ID kRedisplayEvent =
+    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
+}
+
+//**************************************************************
+void setTransparency(ResultPtr theResult, double theTransparency)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeDoublePtr anAttribute = theResult->data()->real(ModelAPI_Result::TRANSPARENCY_ID());
+  if (anAttribute.get() != NULL)
+    anAttribute->setValue(theTransparency);
+  static const Events_ID kRedisplayEvent =
+    Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+  ModelAPI_EventCreator::get()->sendUpdated(theResult, kRedisplayEvent);
+}
+
+//**************************************************************
+void setTransparency(double theTransparency, const QObjectPtrList& theObjects)
+{
+  foreach(ObjectPtr anObj, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() != NULL) {
+      ResultBodyPtr aBodyResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResult);
+      if (aBodyResult.get() != NULL) { // change property for all sub-solids
+        std::list<ResultPtr> allRes;
+        ModelAPI_Tools::allSubs(aBodyResult, allRes);
+        for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+          setTransparency(*aRes, theTransparency);
+        }
+      }
+      setTransparency(aResult, theTransparency);
+    }
+  }
+}
+
+//**************************************************************
+void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
+{
+  AttributeDoublePtr aDoubleAttr;
+  // 1. find the current property of the object. This is a property of AIS presentation
+  // The objects are iterated until a first valid property 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 property from the AIS object
+      // this does not happen never because:
+      // 1. The property 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) {
+      ResultBodyPtr aBodyResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aResult);
+      if (aBodyResult.get() != NULL) { // change property for all sub-solids
+        std::list<ResultPtr> allRes;
+        ModelAPI_Tools::allSubs(aBodyResult, allRes);
+        for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+          setDeflection(*aRes, aDeflection);
+        }
+      }
+      setDeflection(aResult, aDeflection);
+    }
+  }
+  aMgr->finishOperation();
+  updateCommandStatus();
+}
+
+//**************************************************************
+void XGUI_Workshop::changeTransparency(const QObjectPtrList& theObjects)
+{
+  AttributeDoublePtr aDoubleAttr;
+  // 1. find the current property of the object. This is a property of AIS presentation
+  // The objects are iterated until a first valid property is found
+  double aCurrentValue = -1;
+  foreach(ObjectPtr anObject, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
+    if (aResult.get()) {
+      aCurrentValue = XGUI_CustomPrs::getResultTransparency(aResult);
+    }
+    else {
+      // TODO: remove the obtaining a property from the AIS object
+      // this does not happen never because:
+      // 1. The property 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()) {
+        aCurrentValue = anAISObj->getDeflection();
+      }
+    }
+    if (aCurrentValue > 0)
+      break;
+  }
+  if (aCurrentValue < 0)
+    return;
+
+  if (!abortAllOperations())
+  return;
+
+  // 2. show the dialog to change the value
+  XGUI_PropertyDialog* aDlg = new XGUI_PropertyDialog(desktop());
+  aDlg->setWindowTitle("Transparency");
+  XGUI_TransparencyWidget* aTransparencyWidget = new XGUI_TransparencyWidget(aDlg);
+  connect(aTransparencyWidget, SIGNAL(transparencyValueChanged()),
+          this, SLOT(onTransparencyValueChanged()));
+  connect(aTransparencyWidget, SIGNAL(previewStateChanged()),
+          this, SLOT(onPreviewStateChanged()));
+  aDlg->setContent(aTransparencyWidget);
+  aTransparencyWidget->setValue(aCurrentValue);
+
+  // 3. abort the previous operation and start a new one
+  SessionPtr aMgr = ModelAPI_Session::get();
+  QString aDescription = contextMenuMgr()->action("TRANSPARENCY_CMD")->text();
+  aMgr->startOperation(aDescription.toStdString());
+
+  aDlg->move(QCursor::pos());
+  bool isDone = aDlg->exec() == QDialog::Accepted;
+  if (!isDone)
+    return;
+
+  // 4. set the value to all results
+  aCurrentValue = aTransparencyWidget->getValue();
+  setTransparency(aCurrentValue, theObjects);
+
+  aMgr->finishOperation();
+  updateCommandStatus();
+}
+
+//**************************************************************
+void XGUI_Workshop::onTransparencyValueChanged()
+{
+  XGUI_TransparencyWidget* aTransparencyWidget = (XGUI_TransparencyWidget*)sender();
+  if (!aTransparencyWidget || !aTransparencyWidget->isPreviewNeeded())
+    return;
+
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  setTransparency(aTransparencyWidget->getValue(), anObjects);
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+}
+
+//**************************************************************
+void XGUI_Workshop::onPreviewStateChanged()
+{
+  XGUI_TransparencyWidget* aTransparencyWidget = (XGUI_TransparencyWidget*)sender();
+  if (!aTransparencyWidget || !aTransparencyWidget->isPreviewNeeded())
+    return;
+
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  setTransparency(aTransparencyWidget->getValue(), anObjects);
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+}
+
 //**************************************************************
 #define SET_DISPLAY_GROUP(aGroupName, aDisplay) \
 for (int i = 0; i < aDoc->size(aGroupName); i++) { \
   aDoc->object(aGroupName, i)->setDisplayed(aDisplay); \
 }
+
+//******************************************************
 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 {
+  if (isVisible) {
+    std::set<ObjectPtr> anObjects;
+    foreach (ObjectPtr aObj, theList) {
+      anObjects.insert(aObj);
+    }
+    if (!prepareForDisplay(anObjects))
+      return;
+  }
+
   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));
+  myObjectBrowser->updateAllIndexes();
 }
 
 //**************************************************************
 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
 {
+  QObjectPtrList aSrcList = theList;
   // Hide all displayed objects
   QObjectPtrList aList = myDisplayer->displayedObjects();
   foreach (ObjectPtr aObj, aList) {
-    if (module()->canEraseObject(aObj))
+    if ((!aSrcList.contains(aObj)) && (module()->canEraseObject(aObj)))
       aObj->setDisplayed(false);
+    else
+      aSrcList.removeAll(aObj);
   }
+  //Do not use eraseAll if you didn't send Redisplay event:
+  //all objects are erased from viewer, but considered as displayed in displayer
+  // Problem in bug 2218
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+#ifdef HAVE_SALOME
+    //issue #2159 Hide all incomplete behavior
+    viewer()->eraseAll();
+#endif
+
+  std::set<ObjectPtr> anObjects;
+  foreach (ObjectPtr aObj, aSrcList) {
+    anObjects.insert(aObj);
+  }
+
+  if (!prepareForDisplay(anObjects))
+    return;
 
   // 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);
-    //}
+  foreach (ObjectPtr aObj, aSrcList) {
+    aObj->setDisplayed(true);
   }
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 
+  // Necessary for update icons in ObjectBrowser on Linux
+  myObjectBrowser->updateAllIndexes();
 }
 
-
 //**************************************************************
 void XGUI_Workshop::registerValidators() const
 {
@@ -1807,7 +2571,7 @@ 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));
@@ -1816,14 +2580,15 @@ void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup
 //**************************************************************
 void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
 {
-  foreach(ObjectPtr aObj, theList) {
-    myDisplayer->setDisplayMode(aObj, (XGUI_Displayer::DisplayMode)theMode, false);
+  foreach(ObjectPtr anObj, theList) {
+    myDisplayer->setDisplayMode(anObj, (XGUI_Displayer::DisplayMode)theMode, false);
 
-    ResultCompSolidPtr aCompsolidResult = std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aObj);
-    if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
-      for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
-          myDisplayer->setDisplayMode(aCompsolidResult->subResult(i),
-                                      (XGUI_Displayer::DisplayMode)theMode, false);
+    ResultBodyPtr aBodyResult = std::dynamic_pointer_cast<ModelAPI_ResultBody>(anObj);
+    if (aBodyResult.get() != NULL) { // change display mode for all sub-solids
+      std::list<ResultPtr> allRes;
+      ModelAPI_Tools::allSubs(aBodyResult, allRes);
+      for(std::list<ResultPtr>::iterator aRes = allRes.begin(); aRes != allRes.end(); aRes++) {
+        myDisplayer->setDisplayMode(*aRes, (XGUI_Displayer::DisplayMode)theMode, false);
       }
     }
   }
@@ -1839,16 +2604,26 @@ void XGUI_Workshop::closeDocument()
     anOperation->abort();
     anOperation = operationMgr()->currentOperation();
   }
-  myDisplayer->closeLocalContexts();
+  //myDisplayer->closeLocalContexts();
   myDisplayer->eraseAll();
   objectBrowser()->clearContent();
 
   module()->closeDocument();
+  // we need to clear viewer (with created filters) to do not have problems in 2nd SALOME study
+  module()->clearViewer();
+
+
+  // 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)
 {
   XGUI_HistoryMenu* aMenu = NULL;
@@ -1865,6 +2640,7 @@ void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, co
   connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
 }
 
+//******************************************************
 QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
 {
   QList<ActionInfo> aResult;
@@ -1890,28 +2666,36 @@ QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>
   return aResult;
 }
 
+//******************************************************
 void XGUI_Workshop::setStatusBarMessage(const QString& theMessage)
 {
 #ifdef HAVE_SALOME
-  //return salomeConnector()->desktop();
+  salomeConnector()->putInfo(theMessage, -1);
 #else
   myMainWindow->putInfo(theMessage, -1);
 #endif
 }
 
+#ifdef HAVE_SALOME
+//******************************************************
 void XGUI_Workshop::synchronizeViewer()
 {
   SessionPtr aMgr = ModelAPI_Session::get();
-  DocumentPtr aDoc = aMgr->activeDocument();
+  QList<DocumentPtr> aDocs;
+  aDocs.append(aMgr->activeDocument());
+  aDocs.append(aMgr->moduleDocument());
 
-  synchronizeGroupInViewer(aDoc, ModelAPI_ResultConstruction::group(), false);
-  synchronizeGroupInViewer(aDoc, ModelAPI_ResultBody::group(), false);
-  synchronizeGroupInViewer(aDoc, ModelAPI_ResultPart::group(), false);
-  synchronizeGroupInViewer(aDoc, ModelAPI_ResultGroup::group(), false);
+  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, 
+//******************************************************
+void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc,
+                                             const std::string& theGroup,
                                              bool theUpdateViewer)
 {
   ObjectPtr aObj;
@@ -1924,45 +2708,66 @@ void XGUI_Workshop::synchronizeGroupInViewer(const DocumentPtr& theDoc,
       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
       if (aRes.get() && (!aRes->shape().get() || aRes->shape()->isNull()))
         continue;
-      myDisplayer->display(aObj, false);
+      ResultBodyPtr aResBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
+      if (aResBody.get())
+        synchronizeResultTree(aResBody, false);
+      else
+        myDisplayer->display(aObj, false);
     }
   }
   if (theUpdateViewer)
     myDisplayer->updateViewer();
 }
 
+void XGUI_Workshop::synchronizeResultTree(const ResultBodyPtr& theRes, bool theUpdateViewer)
+{
+  if (theRes->numberOfSubs() > 0)
+    for (int i = 0; i < theRes->numberOfSubs(); i++) {
+      ResultBodyPtr aRes = theRes->subResult(i);
+      if (aRes.get())
+        synchronizeResultTree(aRes, theUpdateViewer);
+    }
+  else
+    myDisplayer->display(theRes, theUpdateViewer);
+}
+#endif
+
+//******************************************************
 void XGUI_Workshop::highlightResults(const QObjectPtrList& theObjects)
 {
   FeaturePtr aFeature;
   QObjectPtrList aSelList = theObjects;
-  std::list<ResultPtr> aResList;
+  QObjectPtrList aNewSel;
   bool aHasHidden = false;
   foreach(ObjectPtr aObj, theObjects) {
     aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
     if (aFeature.get()) {
-      aResList = aFeature->results();
+      std::list<ResultPtr> aResults;
+      ModelAPI_Tools::allResults(aFeature, aResults);
       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aIt;
-      for(aIt = aResList.cbegin(); aIt != aResList.cend(); aIt++) {
+      for(aIt = aResults.cbegin(); aIt != aResults.cend(); aIt++) {
         aHasHidden |= (*aIt)->isConcealed();
         aSelList.append(*aIt);
+        aNewSel.append(*aIt);
       }
     }
   }
   if (aSelList.count() > theObjects.count()) {
     // if something was found
-    bool aBlocked = objectBrowser()->blockSignals(true);
     objectBrowser()->setObjectsSelected(aSelList);
-    objectBrowser()->blockSignals(aBlocked);
+    objectBrowser()->ensureVisible(aNewSel.first());
   }
-  if (aHasHidden) 
-    QMessageBox::information(desktop(), tr("Find results"), 
+  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;
+  QObjectPtrList aNewSel;
   FeaturePtr aFeature;
   foreach(ObjectPtr aObj, theObjects) {
     aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
@@ -1970,13 +2775,129 @@ void XGUI_Workshop::highlightFeature(const QObjectPtrList& theObjects)
       aFeature = ModelAPI_Feature::feature(aResult);
       if (aFeature.get()) {
         aSelList.append(aFeature);
+        aNewSel.append(aFeature);
       }
     }
   }
   if (aSelList.count() > theObjects.count()) {
     // if something was found
-    bool aBlocked = objectBrowser()->blockSignals(true);
     objectBrowser()->setObjectsSelected(aSelList);
-    objectBrowser()->blockSignals(aBlocked);
+    objectBrowser()->ensureVisible(aNewSel.first());
   }
 }
+
+void XGUI_Workshop::insertFeatureFolder()
+{
+  QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
+  if (aObjects.isEmpty())
+    return;
+  ObjectPtr aObj = aObjects.first();
+  FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+  if (aFeature.get() == NULL)
+    return;
+  SessionPtr aMgr = ModelAPI_Session::get();
+  DocumentPtr aDoc = aMgr->activeDocument();
+
+  QString aDescription = contextMenuMgr()->action("INSERT_FOLDER_CMD")->text();
+
+  aMgr->startOperation(aDescription.toStdString());
+  aDoc->addFolder(aFeature);
+  aMgr->finishOperation();
+
+  updateCommandStatus();
+}
+
+
+void XGUI_Workshop::insertToFolder(bool isBefore)
+{
+  std::list<FeaturePtr> aFeatures = mySelector->getSelectedFeatures();
+  if (aFeatures.empty())
+    return;
+
+  SessionPtr aMgr = ModelAPI_Session::get();
+  DocumentPtr aDoc = aMgr->activeDocument();
+
+  FolderPtr aFolder = isBefore? aDoc->findFolderAbove(aFeatures):
+                                aDoc->findFolderBelow(aFeatures);
+  if (!aFolder.get())
+    return;
+
+  QString aDescription = contextMenuMgr()->action(
+    isBefore ? "ADD_TO_FOLDER_BEFORE_CMD" : "ADD_TO_FOLDER_AFTER_CMD")->text();
+
+  QMap<ObjectPtr, bool> aStates = myObjectBrowser->getFoldersState(aDoc);
+
+  aMgr->startOperation(aDescription.toStdString());
+  aDoc->moveToFolder(aFeatures, aFolder);
+  aMgr->finishOperation();
+
+  myObjectBrowser->setFoldersState(aStates);
+
+  updateCommandStatus();
+}
+
+void XGUI_Workshop::moveOutFolder(bool isBefore)
+{
+  std::list<FeaturePtr> aFeatures = mySelector->getSelectedFeatures();
+  if (aFeatures.empty())
+    return;
+
+  SessionPtr aMgr = ModelAPI_Session::get();
+  DocumentPtr aDoc = aMgr->activeDocument();
+
+  QString aDescription = contextMenuMgr()->action(
+    isBefore ? "ADD_OUT_FOLDER_BEFORE_CMD" : "ADD_OUT_FOLDER_AFTER_CMD")->text();
+
+  QMap<ObjectPtr, bool> aStates = myObjectBrowser->getFoldersState(aDoc);
+
+  aMgr->startOperation(aDescription.toStdString());
+  aDoc->removeFromFolder(aFeatures, isBefore);
+  aMgr->finishOperation();
+
+  myObjectBrowser->setFoldersState(aStates);
+
+  updateCommandStatus();
+}
+
+void XGUI_Workshop::onAutoApply()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool isBlocked = aMgr->isAutoUpdateBlocked();
+  aMgr->blockAutoUpdate(!isBlocked);
+}
+
+void XGUI_Workshop::updateAutoComputeState()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool isComputeBlocked = aMgr->isAutoUpdateBlocked();
+#ifdef HAVE_SALOME
+//  QAction* aUpdateCmd;
+//  QList<QAction*> aCommands = mySalomeConnector->commandList();
+//  foreach(QAction* aCmd, aCommands) {
+//    if (aCmd->data().toString() == "AUTOCOMPUTE_CMD") {
+//      aUpdateCmd = aCmd;
+//      break;
+//    }
+//  }
+//  aUpdateCmd->setIcon(isComputeBlocked? QIcon(":pictures/autoapply_stop.png") :
+//    QIcon(":pictures/autoapply_start.png"));
+#else
+  AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
+  AppElements_Command* aUpdateCmd = aMenuBar->feature("AUTOCOMPUTE_CMD");
+  aUpdateCmd->button()->setIcon(isComputeBlocked? QIcon(":pictures/autoapply_stop.png") :
+    QIcon(":pictures/autoapply_start.png"));
+#endif
+}
+
+
+void XGUI_Workshop::clearTemporaryDir()
+{
+  QDir aDir(myTmpDir.path());
+  if (!aDir.isEmpty()) {
+    QStringList aEntries;
+    aDir.entryList(aEntries);
+    foreach(QString aFile, aEntries) {
+      aDir.remove(aFile);
+    }
+  }
+}
\ No newline at end of file