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#2027 Sketcher Trim feature - highlight should be cleared when the mouse is moved...
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index fd0fc2d81e600fad8906d67e2b7291acb33ea1bf..baa7594cb21d38702667a093818af4ab721a140b 100755 (executable)
@@ -6,6 +6,7 @@
 #include "XGUI_ActionsMgr.h"
 #include "XGUI_MenuMgr.h"
 #include "XGUI_ColorDialog.h"
+#include "XGUI_DeflectionDialog.h"
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_Displayer.h"
 #include "XGUI_ErrorDialog.h"
@@ -23,6 +24,7 @@
 #include <XGUI_CustomPrs.h>
 #include <XGUI_HistoryMenu.h>
 #include <XGUI_QtEvents.h>
+#include <XGUI_DataModel.h>
 
 #ifndef HAVE_SALOME
 #include <AppElements_Button.h>
@@ -36,6 +38,7 @@
 
 #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 <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 <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 <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 <iterator>
 
+#ifdef TINSPECTOR
+#include <CDF_Session.hxx>
+#include <CDF_Application.hxx>
+#include <TInspector_Communicator.hxx>
+#include <VInspector_CallBack.hxx>
+static TInspector_Communicator* MyTCommunicator;
+static Handle(VInspector_CallBack) MyVCallBack;
+
+#endif
+
 #ifdef _DEBUG
 #include <QDebug>
 #include <iostream>
 #include <dlfcn.h>
 #endif
 
-
 QString XGUI_Workshop::MOVE_TO_END_COMMAND = QObject::tr("Move to the end");
 
 //#define DEBUG_DELETE
 //#define DEBUG_FEATURE_NAME
+//#define DEBUG_CLEAN_HISTORY
 
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
     : QObject(),
@@ -122,29 +141,53 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
       mySalomeConnector(theConnector),
       myPropertyPanel(0),
       myObjectBrowser(0),
-      myDisplayer(0),
-      myViewerSelMode(TopAbs_FACE)
+      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(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);
   myMenuMgr = new XGUI_MenuMgr(this);
   myErrorDlg = new XGUI_ErrorDialog(QApplication::desktop());
@@ -156,23 +199,17 @@ 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
@@ -180,29 +217,54 @@ 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());
-  
-  myViewerSelMode = 
-    ModuleBase_Preferences::resourceMgr()->integerValue("Viewer", "selection", TopAbs_FACE);
+
+  Config_PropManager::registerProp("Visualization", "body_deflection",
+                                   "Body deflection coefficient",
+                                   Config_Prop::Double,
+                                   ModelAPI_ResultBody::DEFAULT_DEFLECTION());
+
+  Config_PropManager::registerProp("Visualization", "construction_deflection",
+                                   "Construction deflection coefficient",
+                                   Config_Prop::Double,
+                                   ModelAPI_ResultConstruction::DEFAULT_DEFLECTION());
+
+  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;
 }
@@ -210,13 +272,15 @@ XGUI_Workshop::~XGUI_Workshop(void)
 //******************************************************
 void XGUI_Workshop::startApplication()
 {
+  //Initialize event listening
+  myEventsListener->initializeEventListening();
+
+  myDataModelXMLReader->readAll();
   initMenu();
 
   Config_PropManager::registerProp("Plugins", "default_path", "Default Path",
                                    Config_Prop::Directory, "");
 
-  //Initialize event listening
-  myEventsListener->initializeEventListening();
 
   registerValidators();
 
@@ -229,7 +293,7 @@ void XGUI_Workshop::startApplication()
   myMainWindow->show();
   updateCommandStatus();
 #endif
-  
+
   onNew();
 
   myViewerProxy->connectViewProxy();
@@ -272,6 +336,24 @@ void XGUI_Workshop::deactivateModule()
   XGUI_Displayer* aDisplayer = displayer();
   QObjectPtrList aDisplayed = aDisplayer->displayedObjects();
   aDisplayer->deactivateObjects(aDisplayed, true);
+  Handle(AIS_InteractiveContext) aContext = viewer()->AISContext();
+  Handle(AIS_Trihedron) aTrihedron = Handle(AIS_Trihedron)::DownCast(aDisplayer->getTrihedron());
+  /// deactivate trihedron in selection modes
+  TColStd_ListOfInteger aTColModes;
+  aContext->ActivatedModes(aTrihedron, aTColModes);
+  TColStd_ListIteratorOfListOfInteger itr( aTColModes );
+  for (; itr.More(); itr.Next() ) {
+    Standard_Integer aMode = itr.Value();
+    aContext->Deactivate(aTrihedron, aMode);
+  }
+#ifdef BEFORE_TRIHEDRON_PATCH
+  /// Trihedron problem: objects stayed in the viewer, should be removed manually
+  /// otherwise in SALOME happens crash by HideAll in the viewer
+  aContext->Remove(aTrihedron->Position(), true);
+  aContext->Remove(aTrihedron->Axis(), true);
+  aContext->Remove(aTrihedron->XAxis(), true);
+  aContext->Remove(aTrihedron->YAxis(), true);
+#endif
 
   myOperationMgr->deactivate();
 }
@@ -286,7 +368,8 @@ 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  );
 
@@ -302,7 +385,8 @@ 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"),
+  //aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"),
+  //                                            tr("Rebuild data objects"),
   //                                            QIcon(":pictures/rebuild.png"), QKeySequence(),
   //                                            false, "MEN_DESK_EDIT");
   //salomeConnector()->addActionInToolbar( aAction, aToolBarTitle );
@@ -310,12 +394,14 @@ void XGUI_Workshop::initMenu()
   //connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRebuild()));
   //salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
 
-  aAction = salomeConnector()->addDesktopCommand("SAVEAS_CMD", tr("Export native..."), tr("Export the current document into a native file"),
+  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()));
@@ -451,7 +537,7 @@ 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())
@@ -460,9 +546,10 @@ 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;
 
@@ -482,10 +569,10 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
   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);
+      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;
     }
@@ -505,7 +592,8 @@ void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
 
   // update visible state of Preview button
 #ifdef HAVE_SALOME
-  bool anIsAutoPreview = mySalomeConnector->featureInfo(aFeatureKind.c_str())->isAutoPreview();
+  bool anIsAutoPreview =
+    mySalomeConnector->featureInfo(aFeatureKind.c_str())->isAutoPreview();
 #else
   AppElements_MainMenu* aMenuBar = mainWindow()->menuObject();
   AppElements_Command* aCommand = aMenuBar->feature(aFeatureKind.c_str());
@@ -528,8 +616,9 @@ 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);
@@ -556,20 +645,13 @@ 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();
@@ -604,7 +686,8 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   if (aFeature.get()) { // feature may be not created (plugin load fail)
     if (myDisplayer->isVisible(aFeature) && !myDisplayer->isActive(aFeature))
       anObjects.append(aFeature);
-    std::list<ResultPtr> aResults = aFeature->results();
+    std::list<ResultPtr> aResults;
+    ModelAPI_Tools::allResults(aFeature, aResults);
     std::list<ResultPtr>::const_iterator aIt;
     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
       ResultPtr anObject = *aIt;
@@ -629,7 +712,8 @@ void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* 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;
 
@@ -651,23 +735,42 @@ 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()
 {
@@ -690,20 +793,41 @@ void XGUI_Workshop::onOpen()
   }
 
   //show file dialog, check if readable and open
-  myCurrentDir = QFileDialog::getExistingDirectory(desktop(), tr("Select directory"));
+  QString aDirectory = QFileDialog::getExistingDirectory(desktop(), tr("Select directory"));
+  openDirectory(aDirectory);
+}
+
+//******************************************************
+void XGUI_Workshop::openDirectory(const QString& theDirectory)
+{
+  myCurrentDir = theDirectory;
   if (myCurrentDir.isEmpty())
     return;
+
   QFileInfo aFileInfo(myCurrentDir);
   if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
     QMessageBox::critical(desktop(), tr("Warning"), tr("Unable to open the file."));
     myCurrentDir = "";
     return;
   }
+
   QApplication::setOverrideCursor(Qt::WaitCursor);
+  module()->closeDocument();
+  SessionPtr aSession = ModelAPI_Session::get();
   aSession->closeAll();
   aSession->load(myCurrentDir.toLatin1().constData());
   myObjectBrowser->rebuildDataTree();
+
+  // Open first level of data tree
+  DocumentPtr aRootDoc = aSession->moduleDocument();
+  std::list<bool> aStates;
+  aRootDoc->restoreNodesState(aStates);
+  myObjectBrowser->setStateForDoc(aRootDoc, aStates);
+
   updateCommandStatus();
+#ifndef HAVE_SALOME
+  myMainWindow->setCurrentDir(myCurrentDir, true);
+#endif
   QApplication::restoreOverrideCursor();
 }
 
@@ -802,7 +926,7 @@ bool XGUI_Workshop::onSaveAs()
   QFileDialog dialog(desktop());
   dialog.setWindowTitle(tr("Select directory to save files..."));
   dialog.setFileMode(QFileDialog::Directory);
-  dialog.setFilter(tr("Directories (*)"));
+  dialog.setFilter(QDir::AllDirs);
   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
   dialog.setViewMode(QFileDialog::Detail);
 
@@ -815,7 +939,8 @@ bool XGUI_Workshop::onSaveAs()
   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
+        // 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);
@@ -859,8 +984,8 @@ void XGUI_Workshop::onRedo(int theTimes)
 {
   // the viewer update should be blocked in order to avoid the features blinking. For the created
   // feature a results are created, the flush of the created signal caused the viewer redisplay for
-  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked until
-  // redo of all possible objects happens
+  // each created result. After a redisplay signal is flushed. So, the viewer update is blocked
+  // until redo of all possible objects happens
   bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
 
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
@@ -996,7 +1121,7 @@ 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));
     }
@@ -1080,7 +1205,9 @@ 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 }");
@@ -1105,7 +1232,9 @@ void XGUI_Workshop::createDockWidgets()
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
   myPropertyPanel = new XGUI_PropertyPanel(aDesktop, myOperationMgr);
   myPropertyPanel->setupActions(myActionsMgr);
-  myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
+  myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea |
+                                   Qt::RightDockWidgetArea |
+                                   Qt::BottomDockWidgetArea);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
   hidePropertyPanel();  ///<! Invisible by default
   hideObjectBrowser();
@@ -1202,15 +1331,21 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     moveObjects();
   else if (theId == "COLOR_CMD")
     changeColor(aObjects);
+  else if (theId == "DEFLECTION_CMD")
+    changeDeflection(aObjects);
   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);
@@ -1223,6 +1358,7 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
         aObj->setDisplayed(false);
     }
     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+    updateCommandStatus();
   } else if (theId == "SELECT_VERTEX_CMD") {
     setViewerSelectionMode(TopAbs_VERTEX);
   } else if (theId == "SELECT_EDGE_CMD") {
@@ -1230,18 +1366,60 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
   } else if (theId == "SELECT_FACE_CMD") {
     setViewerSelectionMode(TopAbs_FACE);
   } 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);
+
+        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->init(aParameters);
+        MyTCommunicator->Activate("TKVInspector"); // to have filled callback by model
+        MyTCommunicator->Activate("TKDFBrowser");
+      }
+      MyTCommunicator->setVisible(true);
+    }
+  }
+#endif
 }
 
 //**************************************************************
 void XGUI_Workshop::setViewerSelectionMode(int theMode)
 {
-  myViewerSelMode = theMode;
+  if (theMode == -1)
+    myViewerSelMode.clear();
+  else {
+    if (myViewerSelMode.contains(theMode))
+      myViewerSelMode.removeAll(theMode);
+    else
+      myViewerSelMode.append(theMode);
+  }
   activateObjectsSelection(myDisplayer->displayedObjects());
 }
 
@@ -1250,17 +1428,16 @@ void XGUI_Workshop::activateObjectsSelection(const QObjectPtrList& theList)
 {
   QIntList aModes;
   module()->activeSelectionModes(aModes);
-  if (aModes.isEmpty() && (myViewerSelMode != -1))
+  if (aModes.isEmpty() && (myViewerSelMode.length() > 0))
     aModes.append(myViewerSelMode);
   myDisplayer->activateObjects(aModes, theList);
 }
 
-
 //**************************************************************
 void XGUI_Workshop::deleteObjects()
 {
   ModuleBase_IModule* aModule = module();
-  // 1. allow the module to delete objects, do nothing if it has succeed
+  // allow the module to delete objects, do nothing if it has succeed
   if (aModule->deleteObjects()) {
     updateCommandStatus();
     return;
@@ -1269,9 +1446,6 @@ 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;
@@ -1281,31 +1455,54 @@ void XGUI_Workshop::deleteObjects()
   if (!(hasFeature || hasParameter))
     return;
 
-  // 3. delete objects
-  std::set<FeaturePtr> anIgnoredFeatures;
-  std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
-  ModuleBase_Tools::findReferences(anObjects, aDirectRefFeatures, aIndirectRefFeatures);
-
-  bool doDeleteReferences = true;
-  if (ModuleBase_Tools::isDeleteFeatureWithReferences(anObjects, aDirectRefFeatures, 
-      aIndirectRefFeatures, desktop(), doDeleteReferences)) {
-    // start operation
-    QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
-    aDescription += " " + aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
-    ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
-    operationMgr()->startOperation(anOpAction);
+  // delete objects
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
+  ModelAPI_Tools::findAllReferences(aFeatures, aReferences);
+
+  bool aDone = false;
+  QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text() + " %1";
+  aDescription = aDescription.arg(XGUI_Tools::unionOfObjectNames(anObjects, ", "));
+  ModuleBase_OperationAction* anOpAction = new ModuleBase_OperationAction(aDescription, module());
+
+  operationMgr()->startOperation(anOpAction);
 
+  std::set<FeaturePtr> aFeatureRefsToDelete;
+  if (ModuleBase_Tools::askToDelete(aFeatures, aReferences, desktop(), aFeatureRefsToDelete)) {
     // WORKAROUND, should be done before each object remove, if it presents in XGUI_DataModel tree
     // It is necessary to clear selection in order to avoid selection changed event during
     // deletion and negative consequences connected with processing of already deleted items
     mySelector->clearSelection();
 
-    // delete and commit/abort operation in model
-    if (deleteFeaturesInternal(anObjects, aDirectRefFeatures, aIndirectRefFeatures,
-                               anIgnoredFeatures, doDeleteReferences))
-      operationMgr()->commitOperation();
-    else
-      operationMgr()->abortOperation(operationMgr()->currentOperation());
+    if (!aFeatureRefsToDelete.empty())
+      aFeatures.insert(aFeatureRefsToDelete.begin(), aFeatureRefsToDelete.end());
+    aDone = ModelAPI_Tools::removeFeatures(aFeatures, false);
+  }
+  if (aDone)
+    operationMgr()->commitOperation();
+  else
+    operationMgr()->abortOperation(operationMgr()->currentOperation());
+}
+
+//**************************************************************
+void addRefsToFeature(const FeaturePtr& theFeature,
+                      const std::map<FeaturePtr, std::set<FeaturePtr> >& theMainList,
+                      std::set<FeaturePtr>& theReferences)
+{
+  //if (theReferences.find(theFeature) != theReferences.end())
+  //  return;
+  if (theMainList.find(theFeature) == theMainList.end())
+    return; // this feature is not in the selection list, so exists without references to it
+  std::set<FeaturePtr> aMainReferences = theMainList.at(theFeature);
+
+  std::set<FeaturePtr>::const_iterator anIt = aMainReferences.begin(),
+                                       aLast = aMainReferences.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aRefFeature = *anIt;
+    if (theReferences.find(aRefFeature) == theReferences.end())
+      theReferences.insert(aRefFeature);
+    addRefsToFeature(aRefFeature, theMainList, theReferences);
   }
 }
 
@@ -1316,43 +1513,66 @@ void XGUI_Workshop::cleanHistory()
     return;
 
   QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
-  QObjectPtrList aFeatures;
-  foreach (ObjectPtr anObject, anObjects) {
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
-    // for parameter result, use the corresponded reature to be removed
-    if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
-      aFeature = ModelAPI_Feature::feature(anObject);
-    }
-    aFeatures.append(aFeature);
-  }
-
-  // 1. find all referenced features
-  QList<ObjectPtr> anUnusedObjects;
-  std::set<FeaturePtr> aDirectRefFeatures;
-  //foreach (ObjectPtr anObject, anObjects) {
-  foreach (ObjectPtr anObject, aFeatures) {
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
-    // for parameter result, use the corresponded reature to be removed
-    //if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
-    //  aFeature = ModelAPI_Feature::feature(anObject);
-    //}
-    if (aFeature.get()) {
-      std::set<FeaturePtr> alreadyProcessed;
-      aDirectRefFeatures.clear();
-      ModuleBase_Tools::refsDirectToFeatureInAllDocuments(aFeature, aFeature, aFeatures,
-                                                    aDirectRefFeatures, alreadyProcessed);
-      if (aDirectRefFeatures.empty() && !anUnusedObjects.contains(aFeature))
-        anUnusedObjects.append(aFeature);
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(anObjects, aFeatures);
+
+#ifdef DEBUG_CLEAN_HISTORY
+  QStringList anInfo;
+  std::set<FeaturePtr>::const_iterator aFIt;
+  for (aFIt = aFeatures.begin(); aFIt != aFeatures.end(); ++aFIt) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(*aFIt);
+    anInfo.append(aFeature->name().c_str());
+  }
+  QString anInfoStr = anInfo.join(";\t");
+  qDebug(QString("cleanHistory for: [%1] - %2").
+    arg(aFeatures.size()).arg(anInfoStr).toStdString().c_str());
+#endif
+
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  ModelAPI_Tools::findAllReferences(aFeatures, aReferences, true, false);
+  // find for each object whether all reference values are in the map as key, that means that there
+  // is no other reference in the model to this object, so it might be removed by cleaning history
+  // sk_1(ext_1, vertex_1) + (sk_3, bool_1) - cann't be deleted, dependency to bool_1
+  // ext_1(bool_1, sk_3)  - cann't be deleted, dependency to bool_1
+  // vertex_1()
+  // sk_2(ext_2) + (bool_1)  - cann't be deleted, dependency to bool_1
+  // ext_2(bool_1)  - cann't be deleted, dependency to bool_1
+  // sk_3()
+  // Information: bool_1 is not selected
+  std::set<FeaturePtr> anUnusedObjects;
+  std::map<FeaturePtr, std::set<FeaturePtr> >::const_iterator aMainIt = aReferences.begin(),
+                                                              aMainLast = aReferences.end();
+  for (; aMainIt != aMainLast; aMainIt++) {
+    FeaturePtr aMainListFeature = aMainIt->first;
+    std::set<FeaturePtr> aMainRefList = aMainIt->second;
+    std::set<FeaturePtr>::const_iterator aRefIt = aMainRefList.begin(),
+                                                  aRefLast = aMainRefList.end();
+    bool aFeatureOutOfTheList = false;
+    for (; aRefIt != aRefLast && !aFeatureOutOfTheList; aRefIt++) {
+      FeaturePtr aRefFeature = *aRefIt;
+      aFeatureOutOfTheList = aReferences.find(aRefFeature) == aReferences.end();
     }
+    if (!aFeatureOutOfTheList)
+      anUnusedObjects.insert(aMainListFeature);
   }
 
-  // 2. warn about the references remove, break the delete operation if the user chose it
+#ifdef DEBUG_CLEAN_HISTORY
+  anInfo.clear();
+  for (aFIt = anUnusedObjects.begin(); aFIt != anUnusedObjects.end(); ++aFIt) {
+    FeaturePtr aFeature = *aFIt;
+    anInfo.append(aFeature->name().c_str());
+  }
+  qDebug(QString("unused objects: [%1] - %2").
+    arg(anInfo.size()).arg(anInfo.join(";\t")).toStdString().c_str());
+#endif
+
+  // warn about the references remove, break the delete operation if the user chose it
   if (!anUnusedObjects.empty()) {
     QStringList aNames;
-    foreach (const ObjectPtr& anObject, anUnusedObjects) {
-      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
+    foreach (const FeaturePtr& aFeature, anUnusedObjects) {
       aNames.append(aFeature->name().c_str());
     }
+    aNames.sort();
     QString anUnusedNames = aNames.join(", ");
 
     QString anActionId = "CLEAN_HISTORY_CMD";
@@ -1364,29 +1584,16 @@ 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));
-    /*QString aText;
-    if (anUnusedNames.isEmpty()) {
-      aMessageBox.setStandardButtons(QMessageBox::Ok);
-      aMessageBox.setDefaultButton(QMessageBox::Ok);
-
-      aText = QString(tr("All features are relevant, there is nothing to be deleted"));
-    }
-    else {
-      aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
-      aMessageBox.setDefaultButton(QMessageBox::No);
-
-      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);
 
@@ -1396,7 +1603,7 @@ void XGUI_Workshop::cleanHistory()
     mySelector->clearSelection();
 
     std::set<FeaturePtr> anIgnoredFeatures;
-    if (removeFeatures(anUnusedObjects, anIgnoredFeatures, anActionId, true)) {
+    if (ModelAPI_Tools::removeFeatures(anUnusedObjects, true)) {
       operationMgr()->commitOperation();
     }
     else {
@@ -1442,126 +1649,33 @@ 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();
 }
 
 //**************************************************************
-bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theFeatures,
-                                   const std::set<FeaturePtr>& theIgnoredFeatures)
-{
-  std::set<FeaturePtr> aDirectRefFeatures, aIndirectRefFeatures;
-  ModuleBase_Tools::findReferences(theFeatures, aDirectRefFeatures, aIndirectRefFeatures);
-  return deleteFeaturesInternal(theFeatures, aDirectRefFeatures, aIndirectRefFeatures,
-                                theIgnoredFeatures);
-}
-
-bool XGUI_Workshop::deleteFeaturesInternal(const QObjectPtrList& theList,
-                                           const std::set<FeaturePtr>& aDirectRefFeatures,
-                                           const std::set<FeaturePtr>& aIndirectRefFeatures,
-                                           const std::set<FeaturePtr>& theIgnoredFeatures,
-                                           const bool doDeleteReferences)
-{
-  bool isDone = false;
-  if (doDeleteReferences) {
-    std::set<FeaturePtr> aFeaturesToDelete = aDirectRefFeatures;
-    aFeaturesToDelete.insert(aIndirectRefFeatures.begin(), aIndirectRefFeatures.end());
-    std::set<FeaturePtr>::const_iterator anIt = aFeaturesToDelete.begin(),
-                                         aLast = aFeaturesToDelete.end();
-#ifdef DEBUG_DELETE
-    QStringList anInfo;
-#endif
-    for (; anIt != aLast; anIt++) {
-      FeaturePtr aFeature = (*anIt);
-      DocumentPtr aDoc = aFeature->document();
-      if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
-        // flush REDISPLAY signal after remove feature
-        aDoc->removeFeature(aFeature);
-        isDone = true;
-#ifdef DEBUG_DELETE
-        anInfo.append(ModuleBase_Tools::objectInfo(aFeature).toStdString().c_str());
-#endif
-      }
-    }
-#ifdef DEBUG_DELETE
-    qDebug(QString("remove references:%1").arg(anInfo.join("; ")).toStdString().c_str());
-    anInfo.clear();
-#endif
-  }
-
-  QString anActionId = "DELETE_CMD";
-  isDone = removeFeatures(theList, theIgnoredFeatures, anActionId, false) || isDone;
-
-  if (isDone) {
-    // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
-    // if should be done after removeFeature() of document
-    Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
-  }
-  return isDone;
-}
-
-//**************************************************************
-bool XGUI_Workshop::removeFeatures(const QObjectPtrList& theList,
-                                   const std::set<FeaturePtr>& theIgnoredFeatures,
-                                   const QString& theActionId,
-                                   const bool theFlushRedisplay)
+bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theObjects)
 {
-  bool isDone = false;
+  std::map<FeaturePtr, std::set<FeaturePtr> > aReferences;
+  std::set<FeaturePtr> aFeatures;
+  ModuleBase_Tools::convertToFeatures(theObjects, aFeatures);
 
-  QString anId = QString::fromStdString(theActionId.toStdString().c_str());
-  QStringList anObjectGroups = contextMenuMgr()->actionObjectGroups(anId);
-  // 4. remove the parameter features
-  foreach (ObjectPtr aObj, theList) {
-    // features and parameters can be removed here,
-    // the results are removed only by a corresponded feature remove
-    std::string aGroupName = aObj->groupName();
-    if (!anObjectGroups.contains(aGroupName.c_str()))
-      continue;
-
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
-    if (aFeature) {
-      /*// TODO: to learn the workshop to delegate the Part object deletion to the PartSet module
-      // part features are removed in the PartSet module. This condition should be moved there
-      if (aFeature->getKind() == "Part")
-        continue;
-        */
-      DocumentPtr aDoc = aObj->document();
-      if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end()) {
-#ifdef DEBUG_DELETE
-        QString anInfoStr = ModuleBase_Tools::objectInfo(aFeature);
-        anInfo.append(anInfoStr);
-        qDebug(QString("remove feature :%1").arg(anInfoStr).toStdString().c_str());
-#endif
-        // flush REDISPLAY signal after remove feature
-        aDoc->removeFeature(aFeature);
-        isDone = true;
-      }
-    }
-  }
-  if (isDone && theFlushRedisplay) {
-    // the redisplay signal should be flushed in order to erase the feature presentation in the viewer
-    // if should be done after removeFeature() of document
-    Events_Loop::loop()->flush(Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY));
-  }
-
-#ifdef DEBUG_DELETE
-  qDebug(QString("remove features:%1").arg(anInfo.join("; ")).toStdString().c_str());
-#endif
-  return true;
+  return ModelAPI_Tools::removeFeaturesAndReferences(aFeatures);
 }
 
 bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
@@ -1591,7 +1705,9 @@ 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()) {
@@ -1615,15 +1731,18 @@ 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);
@@ -1654,14 +1773,14 @@ bool XGUI_Workshop::canMoveFeature()
   QObjectPtrList::const_iterator anIt = aObjects.begin(), aLast = aObjects.end();
   for (; anIt != aLast && aCanMove; anIt++) {
     ObjectPtr aObject = *anIt;
-    // 1. Get features placed between selected and current in the document 
+    // 1. Get features placed between selected and current in the document
     std::list<FeaturePtr> aFeaturesBetween = toCurrentFeatures(aObject);
     // if aFeaturesBetween is empty it means wrong order or aObject is the current feature
     if (aFeaturesBetween.empty())
       aCanMove = false;
     else {
       std::set<FeaturePtr> aPlacedFeatures(aFeaturesBetween.begin(), aFeaturesBetween.end());
-      // 2. Get all reference features to the selected object in the document 
+      // 2. Get all reference features to the selected object in the document
       std::set<FeaturePtr> aRefFeatures;
       ModuleBase_Tools::refsToFeatureInFeatureDocument(aObject, aRefFeatures);
 
@@ -1733,7 +1852,7 @@ 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);
@@ -1758,7 +1877,7 @@ 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);
@@ -1779,10 +1898,12 @@ 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);
+      ResultCompSolidPtr aCompsolidResult =
+        std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
       if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
         for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
-          setColor(aCompsolidResult->subResult(i), !isRandomColor ? aColorResult : aDlg->getRandomColor());
+          setColor(aCompsolidResult->subResult(i), !isRandomColor ? aColorResult :
+                                                                    aDlg->getRandomColor());
         }
       }
       setColor(aResult, !isRandomColor ? aColorResult : aDlg->getRandomColor());
@@ -1792,6 +1913,93 @@ void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
   updateCommandStatus();
 }
 
+//**************************************************************
+bool XGUI_Workshop::canChangeDeflection() const
+{
+  QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
+
+  std::set<std::string> aTypes;
+  aTypes.insert(ModelAPI_ResultGroup::group());
+  aTypes.insert(ModelAPI_ResultConstruction::group());
+  aTypes.insert(ModelAPI_ResultBody::group());
+  aTypes.insert(ModelAPI_ResultPart::group());
+
+  return hasResults(aObjects, aTypes);
+}
+
+void setDeflection(ResultPtr theResult, const double theDeflection)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeDoublePtr aDeflectionAttr = theResult->data()->real(ModelAPI_Result::DEFLECTION_ID());
+  if (aDeflectionAttr.get() != NULL)
+    aDeflectionAttr->setValue(theDeflection);
+}
+
+
+//**************************************************************
+void XGUI_Workshop::changeDeflection(const QObjectPtrList& theObjects)
+{
+  AttributeDoublePtr aDoubleAttr;
+  // 1. find the current color of the object. This is a color of AIS presentation
+  // The objects are iterated until a first valid color is found
+  double aDeflection = -1;
+  foreach(ObjectPtr anObject, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
+    if (aResult.get()) {
+      aDeflection = XGUI_CustomPrs::getResultDeflection(aResult);
+    }
+    else {
+      // TODO: remove the obtaining a color from the AIS object
+      // this does not happen never because:
+      // 1. The color can be changed only on results
+      // 2. The result can be not visualized in the viewer(e.g. Origin Construction)
+      AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
+      if (anAISObj.get()) {
+        aDeflection = anAISObj->getDeflection();
+      }
+    }
+    if (aDeflection > 0)
+      break;
+  }
+  if (aDeflection < 0)
+    return;
+
+  if (!abortAllOperations())
+  return;
+  // 2. show the dialog to change the value
+  XGUI_DeflectionDialog* aDlg = new XGUI_DeflectionDialog(desktop());
+  aDlg->setDeflection(aDeflection);
+  aDlg->move(QCursor::pos());
+  bool isDone = aDlg->exec() == QDialog::Accepted;
+  if (!isDone)
+    return;
+
+  // 3. abort the previous operation and start a new one
+  SessionPtr aMgr = ModelAPI_Session::get();
+  QString aDescription = contextMenuMgr()->action("DEFLECTION_CMD")->text();
+  aMgr->startOperation(aDescription.toStdString());
+
+  // 4. set the value to all results
+  aDeflection = aDlg->getDeflection();
+  foreach(ObjectPtr anObj, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() != NULL) {
+      ResultCompSolidPtr aCompsolidResult =
+        std::dynamic_pointer_cast<ModelAPI_ResultCompSolid>(aResult);
+      if (aCompsolidResult.get() != NULL) { // change colors for all sub-solids
+        for(int i = 0; i < aCompsolidResult->numberOfSubs(); i++) {
+          setDeflection(aCompsolidResult->subResult(i), aDeflection);
+        }
+      }
+      setDeflection(aResult, aDeflection);
+    }
+  }
+  aMgr->finishOperation();
+  updateCommandStatus();
+}
+
 //**************************************************************
 #define SET_DISPLAY_GROUP(aGroupName, aDisplay) \
 for (int i = 0; i < aDoc->size(aGroupName); i++) { \
@@ -1800,17 +2008,7 @@ for (int i = 0; i < aDoc->size(aGroupName); i++) { \
 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 {
   foreach (ObjectPtr aObj, theList) {
-    /*
-    ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-    if (aPartRes) {
-      DocumentPtr aDoc = aPartRes->partDoc();
-      SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), isVisible)
-      SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), isVisible)
-      SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), isVisible)
-    } else {
-    */
-      aObj->setDisplayed(isVisible);
-    //}
+    aObj->setDisplayed(isVisible);
   }
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 }
@@ -1827,20 +2025,9 @@ void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
 
   // Show only objects from the list
   foreach (ObjectPtr aObj, theList) {
-    /*
-    ResultPartPtr aPartRes = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-    if (aPartRes) {
-      DocumentPtr aDoc = aPartRes->partDoc();
-      SET_DISPLAY_GROUP(ModelAPI_ResultBody::group(), true)
-      SET_DISPLAY_GROUP(ModelAPI_ResultConstruction::group(), true)
-      SET_DISPLAY_GROUP(ModelAPI_ResultGroup::group(), true)
-    } else {
-    */
-      aObj->setDisplayed(true);
-    //}
+    aObj->setDisplayed(true);
   }
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
-
 }
 
 
@@ -1863,7 +2050,7 @@ 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));
@@ -1895,14 +2082,20 @@ void XGUI_Workshop::closeDocument()
     anOperation->abort();
     anOperation = operationMgr()->currentOperation();
   }
-  myDisplayer->closeLocalContexts();
+  //myDisplayer->closeLocalContexts();
   myDisplayer->eraseAll();
   objectBrowser()->clearContent();
 
   module()->closeDocument();
 
+  // data model need not process the document's signals about objects modifications as
+  // the document is closed
+  //bool isBlocked = objectBrowser()->dataModel()->blockEventsProcessing(true);
+
   SessionPtr aMgr = ModelAPI_Session::get();
   aMgr->closeAll();
+
+  //objectBrowser()->dataModel()->blockEventsProcessing(isBlocked);
 }
 
 void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
@@ -1946,6 +2139,15 @@ QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>
   return aResult;
 }
 
+void XGUI_Workshop::setStatusBarMessage(const QString& theMessage)
+{
+#ifdef HAVE_SALOME
+  salomeConnector()->putInfo(theMessage, -1);
+#else
+  myMainWindow->putInfo(theMessage, -1);
+#endif
+}
+
 void XGUI_Workshop::synchronizeViewer()
 {
   SessionPtr aMgr = ModelAPI_Session::get();
@@ -1957,8 +2159,8 @@ void XGUI_Workshop::synchronizeViewer()
   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;
@@ -1982,13 +2184,15 @@ void XGUI_Workshop::highlightResults(const QObjectPtrList& theObjects)
 {
   FeaturePtr aFeature;
   QObjectPtrList aSelList = theObjects;
-  std::list<ResultPtr> aResList;
+  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);
       }
     }
@@ -1999,6 +2203,9 @@ void XGUI_Workshop::highlightResults(const QObjectPtrList& theObjects)
     objectBrowser()->setObjectsSelected(aSelList);
     objectBrowser()->blockSignals(aBlocked);
   }
+  if (aHasHidden)
+    QMessageBox::information(desktop(), tr("Find results"),
+                             tr("Results not found"), QMessageBox::Ok);
 }
 
 void XGUI_Workshop::highlightFeature(const QObjectPtrList& theObjects)