Salome HOME
Merge branch 'master' of newgeom:newgeom
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index 25e6166790f957fc9ba1116ad7096fb97538b35e..6507c3557c4f4ffd26c5584d8807a725c52cc6af 100644 (file)
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_ModuleConnector.h"
 #include "XGUI_Preferences.h"
+#include <XGUI_QtEvents.h>
 
 #include <ModelAPI_Events.h>
-#include <ModelAPI_PluginManager.h>
+#include <ModelAPI_Session.h>
 #include <ModelAPI_Feature.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_AttributeDocRef.h>
@@ -43,8 +44,8 @@
 #include <ModuleBase_Operation.h>
 #include <ModuleBase_OperationDescription.h>
 #include <ModuleBase_SelectionValidator.h>
-#include <ModuleBase_ResultValidators.h>
-#include "ModuleBase_WidgetFactory.h"
+#include <ModuleBase_WidgetFactory.h>
+#include <ModuleBase_Tools.h>
 
 #include <Config_Common.h>
 #include <Config_FeatureMessage.h>
 #include <QPushButton>
 #include <QDockWidget>
 #include <QLayout>
-#include <QTimer>
+#include <QThread>
+#include <QObject>
 
 #ifdef _DEBUG
 #include <QDebug>
+#include <iostream>
 #endif
 
 #ifdef WIN32
@@ -81,15 +84,17 @@ QString XGUI_Workshop::featureIcon(const std::string& theId)
 }
 
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
-  : QObject(),
-  myCurrentDir(QString()),
-  myModule(NULL),
-  mySalomeConnector(theConnector),
-  myPropertyPanel(0),
-  myObjectBrowser(0),
-  myDisplayer(0)
+    : QObject(),
+      myCurrentDir(QString()),
+      myModule(NULL),
+      mySalomeConnector(theConnector),
+      myPropertyPanel(0),
+      myObjectBrowser(0),
+      myDisplayer(0),
+      myUpdatePrefs(false),
+      myPartActivating(false)
 {
-  myMainWindow = mySalomeConnector? 0 : new XGUI_MainWindow();
+  myMainWindow = mySalomeConnector ? 0 : new XGUI_MainWindow();
 
   myDisplayer = new XGUI_Displayer(this);
 
@@ -100,26 +105,29 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
   myActionsMgr = new XGUI_ActionsMgr(this);
   myErrorDlg = new XGUI_ErrorDialog(myMainWindow);
   myContextMenuMgr = new XGUI_ContextMenuMgr(this);
-  connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), 
-          this, SLOT(onContextMenuCommand(const QString&, bool)));
+  connect(myContextMenuMgr, SIGNAL(actionTriggered(const QString&, bool)), this,
+          SLOT(onContextMenuCommand(const QString&, bool)));
 
   myViewerProxy = new XGUI_ViewerProxy(this);
   connect(myViewerProxy, SIGNAL(selectionChanged()), this, SLOT(updateCommandsOnViewSelection()));
-  
+
   myModuleConnector = new XGUI_ModuleConnector(this);
 
   connect(myOperationMgr, SIGNAL(operationStarted()), SLOT(onOperationStarted()));
   connect(myOperationMgr, SIGNAL(operationResumed()), SLOT(onOperationStarted()));
-  connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), SLOT(onOperationStopped(ModuleBase_Operation*)));
+  connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)),
+          SLOT(onOperationStopped(ModuleBase_Operation*)));
   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
   connect(myOperationMgr, SIGNAL(operationStarted()), myActionsMgr, SLOT(update()));
-  connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), myActionsMgr, SLOT(update()));
+  connect(myOperationMgr, SIGNAL(operationStopped(ModuleBase_Operation*)), myActionsMgr,
+          SLOT(update()));
   connect(this, SIGNAL(errorOccurred(const QString&)), myErrorDlg, SLOT(addError(const QString&)));
 }
 
 //******************************************************
 XGUI_Workshop::~XGUI_Workshop(void)
 {
+  delete myDisplayer;
 }
 
 //******************************************************
@@ -128,7 +136,7 @@ void XGUI_Workshop::startApplication()
   initMenu();
   //Initialize event listening
   Events_Loop* aLoop = Events_Loop::loop();
-  aLoop->registerListener(this, Events_Error::errorID()); //!< Listening application errors.
+  aLoop->registerListener(this, Events_Error::errorID());  //!< Listening application errors.
   //TODO(sbh): Implement static method to extract event id [SEID]
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_FEATURE_LOADED));
   // TODO Is it good to use non standard event within workshop?
@@ -138,6 +146,10 @@ void XGUI_Workshop::startApplication()
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_DELETED));
   aLoop->registerListener(this, Events_Loop::eventByName("LongOperation"));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_PLUGIN_LOADED));
+  aLoop->registerListener(this, Events_Loop::eventByName("CurrentDocumentChanged"));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TOSHOW));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_TOHIDE));
 
   registerValidators();
   activateModule();
@@ -145,6 +157,7 @@ void XGUI_Workshop::startApplication()
     myMainWindow->show();
     updateCommandStatus();
   }
+  XGUI_Preferences::loadCustomProps();
   onNew();
 }
 
@@ -155,23 +168,20 @@ void XGUI_Workshop::initMenu()
 
   if (isSalomeMode()) {
     // Create only Undo, Redo commands
-    QAction* aAction = salomeConnector()->addEditCommand("UNDO_CMD", 
-                                      tr("Undo"), tr("Undo last command"),
-                                      QIcon(":pictures/undo.png"), 
-                                      QKeySequence::Undo, false);
+    QAction* aAction = salomeConnector()->addEditCommand("UNDO_CMD", tr("Undo"),
+                                                         tr("Undo last command"),
+                                                         QIcon(":pictures/undo.png"),
+                                                         QKeySequence::Undo, false);
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
-    aAction = salomeConnector()->addEditCommand("REDO_CMD", 
-                                      tr("Redo"), tr("Redo last command"),
-                                      QIcon(":pictures/redo.png"), 
-                                      QKeySequence::Redo, false);
+    aAction = salomeConnector()->addEditCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
+                                                QIcon(":pictures/redo.png"), QKeySequence::Redo,
+                                                false);
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
     salomeConnector()->addEditMenuSeparator();
     return;
   }
-  XGUI_Workbench* aPage = myMainWindow->menuObject()->generalPage();
-
   // File commands group
-  XGUI_MenuGroupPanel* aGroup = aPage->addGroup("Default");
+  XGUI_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
 
   XGUI_Command* aCommand;
 
@@ -189,10 +199,11 @@ void XGUI_Workshop::initMenu()
   aCommand->connectTo(this, SLOT(onRedo()));
 
   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
-                                QIcon(":pictures/rebuild.png"));
+    QIcon(":pictures/rebuild.png"), QKeySequence());
+  aCommand->connectTo(this, SLOT(onRebuild()));
 
   aCommand = aGroup->addFeature("SAVEAS_CMD", tr("Save as..."), tr("Save the document into a file"),
-                                QIcon(":pictures/save.png"));
+                                QIcon(":pictures/save.png"), QKeySequence());
   aCommand->connectTo(this, SLOT(onSaveAs()));
   //aCommand->disable();
 
@@ -212,11 +223,11 @@ void XGUI_Workshop::initMenu()
                                 QIcon(":pictures/close.png"), QKeySequence::Close);
   aCommand->connectTo(this, SLOT(onExit()));
   //FIXME: SBH's test action. Can be used for some GUI tests.
-  //#ifdef _DEBUG
-  //  aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
-  //                                QIcon(":pictures/close.png"));
-  //  aCommand->connectTo(myActionsMgr, SLOT(update()));
-  //#endif
+//  #ifdef _DEBUG
+//    aCommand = aGroup->addFeature("TEST_CMD", "Test!", "Private debug button",
+//                                  QIcon(":pictures/close.png"), QKeySequence(), true);
+//    aCommand->connectTo(myMainWindow, SLOT(dockPythonConsole()));
+//  #endif
 }
 
 //******************************************************
@@ -227,61 +238,98 @@ XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 }
 
 //******************************************************
-void XGUI_Workshop::processEvent(const Events_Message* theMessage)
+void XGUI_Workshop::processEvent(const boost::shared_ptr<Events_Message>& theMessage)
 {
+  if (QApplication::instance()->thread() != QThread::currentThread()) {
+    #ifdef _DEBUG
+    std::cout << "XGUI_Workshop::processEvent: " << "Working in another thread." << std::endl;
+    #endif
+    SessionPtr aMgr = ModelAPI_Session::get();
+    PostponeMessageQtEvent* aPostponeEvent = new PostponeMessageQtEvent(theMessage);
+    QApplication::postEvent(this, aPostponeEvent);
+    return;
+  }
+
   //A message to start feature creation received.
   if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_FEATURE_LOADED)) {
-    const Config_FeatureMessage* aFeatureMsg = dynamic_cast<const Config_FeatureMessage*>(theMessage);
-    if(!aFeatureMsg->isInternal()) {
+    boost::shared_ptr<Config_FeatureMessage> aFeatureMsg =
+       boost::dynamic_pointer_cast<Config_FeatureMessage>(theMessage);
+    if (!aFeatureMsg->isInternal()) {
       addFeature(aFeatureMsg);
     }
-    return;
   }
 
   // Process creation of Part
-  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
-    const ModelAPI_ObjectUpdatedMessage* aUpdMsg = dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
+    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureCreatedMsg(aUpdMsg);
-    return;
+    if (myUpdatePrefs) {
+      if (mySalomeConnector)
+        mySalomeConnector->createPreferences();
+      myUpdatePrefs = false;
+    }
+  }
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_PLUGIN_LOADED)) {
+    myUpdatePrefs = true;
   }
 
   // Redisplay feature
-  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
-    const ModelAPI_ObjectUpdatedMessage* aUpdMsg = dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
+    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureRedisplayMsg(aUpdMsg);
-    return;
   }
 
   //Update property panel on corresponding message. If there is no current operation (no
   //property panel), or received message has different feature to the current - do nothing.
-  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
-    const ModelAPI_ObjectUpdatedMessage* anUpdateMsg =
-        dynamic_cast<const ModelAPI_ObjectUpdatedMessage*>(theMessage);
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
+    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureUpdatedMsg(anUpdateMsg);
-    return;
   }
 
-  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
-    const ModelAPI_ObjectDeletedMessage* aDelMsg =
-        dynamic_cast<const ModelAPI_ObjectDeletedMessage*>(theMessage);
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
+    boost::shared_ptr<ModelAPI_ObjectDeletedMessage> aDelMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
     onObjectDeletedMsg(aDelMsg);
-    return;
   }
 
-  if (theMessage->eventID() == Events_LongOp::eventID()) {
+  else if (theMessage->eventID() == Events_LongOp::eventID()) {
     if (Events_LongOp::isPerformed())
       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-      //QTimer::singleShot(10, this, SLOT(onStartWaiting()));
-    else 
+    else
       QApplication::restoreOverrideCursor();
-    return;
+  }
+
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOSHOW)) {
+    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+    const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
+    QList<ObjectPtr> aList;
+    std::set<ObjectPtr>::const_iterator aIt;
+    for (aIt = aObjList.cbegin(); aIt != aObjList.cend(); ++aIt)
+      aList.append(*aIt);
+    showObjects(aList, true);
+  }
+
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOHIDE)) {
+    boost::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
+        boost::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+    const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
+    QList<ObjectPtr> aList;
+    std::set<ObjectPtr>::const_iterator aIt;
+    for (aIt = aObjList.cbegin(); aIt != aObjList.cend(); ++aIt)
+      aList.append(*aIt);
+    showObjects(aList, false);
   }
 
   //An operation passed by message. Start it, process and commit.
-  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
-    const Config_PointerMessage* aPartSetMsg = dynamic_cast<const Config_PointerMessage*>(theMessage);
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
+    boost::shared_ptr<Config_PointerMessage> aPartSetMsg =
+        boost::dynamic_pointer_cast<Config_PointerMessage>(theMessage);
     //myPropertyPanel->cleanContent();
-    ModuleBase_Operation* anOperation = (ModuleBase_Operation*)aPartSetMsg->pointer();
+    ModuleBase_Operation* anOperation = (ModuleBase_Operation*) aPartSetMsg->pointer();
 
     if (myOperationMgr->startOperation(anOperation)) {
       myPropertyPanel->updateContentWidget(anOperation->feature());
@@ -290,15 +338,45 @@ void XGUI_Workshop::processEvent(const Events_Message* theMessage)
           updateCommandStatus();
       }
     }
-    return;
   }
-  //Show error dialog if error message received.
-  const Events_Error* anAppError = dynamic_cast<const Events_Error*>(theMessage);
-  if (anAppError) {
-    emit errorOccurred(QString::fromLatin1(anAppError->description()));
+  else if (theMessage->eventID() == Events_Loop::loop()->eventByName("CurrentDocumentChanged")) {
+    // Find and Activate active part
+    if (myPartActivating)
+      return;
+    myActionsMgr->update();
+    SessionPtr aMgr = ModelAPI_Session::get();
+    DocumentPtr aActiveDoc = aMgr->activeDocument();
+    DocumentPtr aDoc = aMgr->moduleDocument();
+    if (aActiveDoc == aDoc) {
+      activatePart(ResultPartPtr()); 
+      return;
+    }
+    std::string aGrpName = ModelAPI_ResultPart::group();
+    for (int i = 0; i < aDoc->size(aGrpName); i++) {
+      ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aDoc->object(aGrpName, i));
+      if (aPart->partDoc() == aActiveDoc) {
+        activatePart(aPart); // Activate a part which corresponds to active Doc
+        return;
+      }
+    }
+    // If not found then activate global document
+    activatePart(ResultPartPtr()); 
+
+  } else {
+    //Show error dialog if error message received.
+    boost::shared_ptr<Events_Error> anAppError = boost::dynamic_pointer_cast<Events_Error>(theMessage);
+    if (anAppError) {
+      emit errorOccurred(QString::fromLatin1(anAppError->description()));
+    }
+  }
+  if (!isSalomeMode()) {
+    SessionPtr aMgr = ModelAPI_Session::get();
+    if (aMgr->isModified() != myMainWindow->isModifiedState())
+      myMainWindow->setModifiedState(aMgr->isModified());
   }
 }
 
+
 //******************************************************
 void XGUI_Workshop::onStartWaiting()
 {
@@ -308,40 +386,52 @@ void XGUI_Workshop::onStartWaiting()
 }
 
 //******************************************************
-void XGUI_Workshop::onFeatureUpdatedMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
+void XGUI_Workshop::onFeatureUpdatedMsg(const boost::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 {
   std::set<ObjectPtr> aFeatures = theMsg->objects();
-  if (myOperationMgr->hasOperation())
-  {
+  if (myOperationMgr->hasOperation()) {
     FeaturePtr aCurrentFeature = myOperationMgr->currentOperation()->feature();
     std::set<ObjectPtr>::const_iterator aIt;
     for (aIt = aFeatures.begin(); aIt != aFeatures.end(); ++aIt) {
       ObjectPtr aNewFeature = (*aIt);
-      if(aNewFeature == aCurrentFeature) {
+      if (aNewFeature == aCurrentFeature) {
         myPropertyPanel->updateContentWidget(aCurrentFeature);
         break;
-      } 
+      }
     }
   }
+  myOperationMgr->onValidateOperation();
+  if (myObjectBrowser)
+    myObjectBrowser->processEvent(theMsg);
 }
 
 //******************************************************
-void XGUI_Workshop::onFeatureRedisplayMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
+void XGUI_Workshop::onFeatureRedisplayMsg(const boost::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
   std::set<ObjectPtr>::const_iterator aIt;
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
     ObjectPtr aObj = (*aIt);
-    if (!aObj->data() || !aObj->data()->isValid())
+    if (!aObj->data() || !aObj->data()->isValid() || aObj->document()->isConcealed(aObj))
       myDisplayer->erase(aObj, false);
     else {
-      if (myDisplayer->isVisible(aObj)) // TODO VSV: Correction sketch drawing
-        myDisplayer->display(aObj, false); // In order to update presentation
-      else {
-        if(myOperationMgr->hasOperation()) {
+      if (myDisplayer->isVisible(aObj))  {
+        myDisplayer->display(aObj, false);  // In order to update presentation
+        if (myOperationMgr->hasOperation()) {
+          ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
+          if (!aOperation->hasObject(aObj))
+            if (!myDisplayer->isActive(aObj))
+              myDisplayer->activate(aObj);
+        }
+      } else {
+        if (myOperationMgr->hasOperation()) {
           ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          if (aOperation->hasObject(aObj)) { // Display only current operation results
-            myDisplayer->display(aObj, false);        
+          // Display only current operation results if operation has preview
+          if (aOperation->hasObject(aObj) && aOperation->hasPreview()) {
+            myDisplayer->display(aObj, false);
+            // Deactivate object of current operation from selection
+            if (myDisplayer->isActive(aObj))
+              myDisplayer->deactivate(aObj);
           }
         }
       }
@@ -351,7 +441,7 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const ModelAPI_ObjectUpdatedMessage* t
 }
 
 //******************************************************
-void XGUI_Workshop::onFeatureCreatedMsg(const ModelAPI_ObjectUpdatedMessage* theMsg)
+void XGUI_Workshop::onFeatureCreatedMsg(const boost::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
 
@@ -362,65 +452,77 @@ void XGUI_Workshop::onFeatureCreatedMsg(const ModelAPI_ObjectUpdatedMessage* the
     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(*aIt);
     if (aPart) {
       aHasPart = true;
-    // If a feature is created from the aplication's python console  
-    // it doesn't stored in the operation mgr and doesn't displayed
-    } else if(myOperationMgr->hasOperation()) {
+      // If a feature is created from the aplication's python console  
+      // it doesn't stored in the operation mgr and doesn't displayed
+    } else if (myOperationMgr->hasOperation()) {
       ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-      if (aOperation->hasObject(*aIt)) { // Display only current operation results
+      if (!(*aIt)->document()->isConcealed(*aIt) &&
+          aOperation->hasObject(*aIt)) {  // Display only current operation results
         myDisplayer->display(*aIt, false);
         isDisplayed = true;
       }
     }
   }
+  if (myObjectBrowser)
+    myObjectBrowser->processEvent(theMsg);
   if (isDisplayed)
     myDisplayer->updateViewer();
-  if (aHasPart) {
-    //The created part will be created in Object Browser later and we have to activate it
-    // only when it is created everywere
-    QTimer::singleShot(50, this, SLOT(activateLastPart()));
-  }
+  //if (aHasPart) { // TODO: Avoid activate last part on loading of document
+  //  activateLastPart();
+  //}
 }
 
 //******************************************************
-void XGUI_Workshop::onObjectDeletedMsg(const ModelAPI_ObjectDeletedMessage* theMsg)
+void XGUI_Workshop::onObjectDeletedMsg(const boost::shared_ptr<ModelAPI_ObjectDeletedMessage>& theMsg)
 {
+  if (myObjectBrowser)
+    myObjectBrowser->processEvent(theMsg);
   //std::set<ObjectPtr> aFeatures = theMsg->objects();
 }
+
 //******************************************************
 void XGUI_Workshop::onOperationStarted()
 {
   ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-
-  if(aOperation->getDescription()->hasXmlRepresentation()) { //!< No need for property panel
+  if (this->isSalomeMode()) 
+    aOperation->setNestedFeatures(mySalomeConnector->nestedActions(aOperation->id()));
+  else 
+    aOperation->setNestedFeatures(myActionsMgr->nestedCommands(aOperation->id()));
+  
+  if (aOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
     connectWithOperation(aOperation);
 
     showPropertyPanel();
     QString aXmlRepr = aOperation->getDescription()->xmlRepresentation();
-    ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(), myModuleConnector);
+    ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(),
+                                                                 myModuleConnector);
 
     myPropertyPanel->cleanContent();
     aFactory.createWidget(myPropertyPanel->contentWidget());
-    
+    ModuleBase_Tools::zeroMargins(myPropertyPanel->contentWidget());
+
     QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
     QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
     ModuleBase_ModelWidget* aWidget;
     for (; anIt != aLast; anIt++) {
       aWidget = *anIt;
       aWidget->setFeature(aOperation->feature());
-      //QObject::connect(aWidget, SIGNAL(valuesChanged()),  aOperation, SLOT(storeCustomValue()));
-      QObject::connect(aWidget, SIGNAL(valuesChanged()),
-                       this, SLOT(onWidgetValuesChanged()));
+      aWidget->enableFocusProcessing();
+      QObject::connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onWidgetValuesChanged()));
       // Init default values
-      if (!aOperation->isEditOperation() && aWidget->hasDefaultValue()) {
-        //aWidget->storeValue(aOperation->feature());
-        
+      if (!aOperation->isEditOperation() && !aWidget->isComputedDefault()) {
         aWidget->storeValue();
       }
     }
 
+    aOperation->setPropertyPanel(myPropertyPanel);
     myPropertyPanel->setModelWidgets(aWidgets);
-    myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
+    myPropertyPanel->activateNextWidget(NULL);
+    // Widget activation (from the previous method) may commit the current operation
+    // if pre-selection is enougth for it. So we shouldn't update prop panel's title
+    if(myOperationMgr->isCurrentOperation(aOperation)) {
+      myPropertyPanel->setWindowTitle(aOperation->getDescription()->description());
+    }
   }
   updateCommandStatus();
 }
@@ -434,10 +536,21 @@ void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
   myPropertyPanel->cleanContent();
 }
 
+bool XGUI_Workshop::event(QEvent * theEvent)
+{
+  PostponeMessageQtEvent* aPostponedEv = dynamic_cast<PostponeMessageQtEvent*>(theEvent);
+  if (aPostponedEv) {
+    boost::shared_ptr<Events_Message> aEventPtr = aPostponedEv->postponedMessage();
+    processEvent(aEventPtr);
+    return true;
+  }
+  return false;
+}
+
 /*
  *
  */
-void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
+void XGUI_Workshop::addFeature(const boost::shared_ptr<Config_FeatureMessage>& theMessage)
 {
   if (!theMessage) {
 #ifdef _DEBUG
@@ -452,15 +565,15 @@ void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
   QString aWchName = QString::fromStdString(theMessage->workbenchId());
   QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
   bool isUsePropPanel = theMessage->isUseInput();
-  QString aId = QString::fromStdString(theMessage->id());
+  QString aFeatureId = QString::fromStdString(theMessage->id());
   if (isSalomeMode()) {
-    QAction* aAction = salomeConnector()->addFeature(aWchName,
-                              aId,
-                              QString::fromStdString(theMessage->text()),
-                              QString::fromStdString(theMessage->tooltip()),
-                              QIcon(theMessage->icon().c_str()),
-                              QKeySequence(), isUsePropPanel);
-    salomeConnector()->setNestedActions(aId, aNestedFeatures.split(" "));
+    QAction* aAction = salomeConnector()->addFeature(aWchName, aFeatureId,
+                                                     QString::fromStdString(theMessage->text()),
+                                                     QString::fromStdString(theMessage->tooltip()),
+                                                     QIcon(theMessage->icon().c_str()),
+                                                     QKeySequence(),
+                                                     isUsePropPanel);
+    salomeConnector()->setNestedActions(aFeatureId, aNestedFeatures.split(" ", QString::SkipEmptyParts));
     myActionsMgr->addCommand(aAction);
     myModule->featureCreated(aAction);
   } else {
@@ -476,12 +589,18 @@ void XGUI_Workshop::addFeature(const Config_FeatureMessage* theMessage)
     if (!aGroup) {
       aGroup = aPage->addGroup(aGroupName);
     }
-    //Create feature...
-    XGUI_Command* aCommand = aGroup->addFeature(aId,
+    QString aDocKind = QString::fromStdString(theMessage->documentKind());
+    // Check if hotkey sequence is already defined:
+    QKeySequence aHotKey = myActionsMgr->registerShortcut(
+        QString::fromStdString(theMessage->keysequence()));
+    // Create feature...
+    XGUI_Command* aCommand = aGroup->addFeature(aFeatureId,
                                                 QString::fromStdString(theMessage->text()),
                                                 QString::fromStdString(theMessage->tooltip()),
                                                 QIcon(theMessage->icon().c_str()),
-                                                QKeySequence(), isUsePropPanel);
+                                                aDocKind,
+                                                aHotKey,
+                                                isUsePropPanel);
     aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
     myActionsMgr->addCommand(aCommand);
     myModule->featureCreated(aCommand);
@@ -500,38 +619,43 @@ void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
   } else {
     XGUI_MainMenu* aMenu = myMainWindow->menuObject();
-    aCommand = aMenu->feature(theOperation->getDescription()->operationId());
+    FeaturePtr aFeature = theOperation->feature();
+    if(aFeature)
+      aCommand = aMenu->feature(QString::fromStdString(aFeature->getKind()));
   }
   //Abort operation on uncheck the command
-  if (aCommand)
+  if (aCommand) {
     connect(aCommand, SIGNAL(triggered(bool)), theOperation, SLOT(setRunning(bool)));
+  }
 }
 
 /*
  * Saves document with given name.
  */
-void XGUI_Workshop::saveDocument(QString theName)
+void XGUI_Workshop::saveDocument(const QString& theName, std::list<std::string>& theFileNames)
 {
   QApplication::restoreOverrideCursor();
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
-  aDoc->save(theName.toLatin1().constData());
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->save(theName.toLatin1().constData(), theFileNames);
   QApplication::restoreOverrideCursor();
 }
 
+bool XGUI_Workshop::isActiveOperationAborted()
+{
+  return myOperationMgr->abortAllOperations();
+}
+
 //******************************************************
 void XGUI_Workshop::onExit()
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
-  if(aDoc->isModified()) {
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->isModified()) {
     int anAnswer = QMessageBox::question(
-        myMainWindow, tr("Save current file"),
-        tr("The document is modified, save before exit?"),
+        myMainWindow, tr("Save current file"), tr("The document is modified, save before exit?"),
         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
-    if(anAnswer == QMessageBox::Save) {
+    if (anAnswer == QMessageBox::Save) {
       bool saved = onSave();
-      if(!saved) {
+      if (!saved) {
         return;
       }
     } else if (anAnswer == QMessageBox::Cancel) {
@@ -564,36 +688,37 @@ void XGUI_Workshop::onNew()
 //******************************************************
 void XGUI_Workshop::onOpen()
 {
+  if(!isActiveOperationAborted())
+    return;
   //save current file before close if modified
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
-  if(aDoc->isModified()) {
+  SessionPtr aSession = ModelAPI_Session::get();
+  if (aSession->isModified()) {
     //TODO(sbh): re-launch the app?
     int anAnswer = QMessageBox::question(
         myMainWindow, tr("Save current file"),
         tr("The document is modified, save before opening another?"),
         QMessageBox::Save | QMessageBox::Discard | QMessageBox::Cancel, QMessageBox::Cancel);
-    if(anAnswer == QMessageBox::Save) {
+    if (anAnswer == QMessageBox::Save) {
       onSave();
     } else if (anAnswer == QMessageBox::Cancel) {
       return;
     }
-    aDoc->close();
+    aSession->moduleDocument()->close();
     myCurrentDir = "";
   }
 
   //show file dialog, check if readable and open
   myCurrentDir = QFileDialog::getExistingDirectory(mainWindow());
-  if(myCurrentDir.isEmpty())
+  if (myCurrentDir.isEmpty())
     return;
   QFileInfo aFileInfo(myCurrentDir);
-  if(!aFileInfo.exists() || !aFileInfo.isReadable()) {
+  if (!aFileInfo.exists() || !aFileInfo.isReadable()) {
     QMessageBox::critical(myMainWindow, tr("Warning"), tr("Unable to open the file."));
     myCurrentDir = "";
     return;
   }
   QApplication::setOverrideCursor(Qt::WaitCursor);
-  aDoc->load(myCurrentDir.toLatin1().constData());
+  aSession->load(myCurrentDir.toLatin1().constData());
   myObjectBrowser->rebuildDataTree();
   displayAllResults();
   updateCommandStatus();
@@ -603,17 +728,23 @@ void XGUI_Workshop::onOpen()
 //******************************************************
 bool XGUI_Workshop::onSave()
 {
-  if(myCurrentDir.isEmpty()) {
+  if(!isActiveOperationAborted())
+    return false;
+  if (myCurrentDir.isEmpty()) {
     return onSaveAs();
   }
-  saveDocument(myCurrentDir);
+  std::list<std::string> aFiles;
+  saveDocument(myCurrentDir, aFiles);
   updateCommandStatus();
+  myMainWindow->setModifiedState(false);
   return true;
 }
 
 //******************************************************
 bool XGUI_Workshop::onSaveAs()
 {
+  if(!isActiveOperationAborted())
+    return false;
   QFileDialog dialog(mainWindow());
   dialog.setWindowTitle(tr("Select directory to save files..."));
   dialog.setFileMode(QFileDialog::Directory);
@@ -621,22 +752,27 @@ bool XGUI_Workshop::onSaveAs()
   dialog.setOptions(QFileDialog::HideNameFilterDetails | QFileDialog::ShowDirsOnly);
   dialog.setViewMode(QFileDialog::Detail);
 
-  if(!dialog.exec()) {
+  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(myMainWindow,
-                                       //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
-                                       tr("Save"),
-                                       tr("The folder already contains some files, save anyway?"),
-                                       QMessageBox::Save|QMessageBox::Cancel);
-    if(answer == QMessageBox::Cancel) {
+  if (aDir.exists() && !aDir.entryInfoList(QDir::NoDotAndDotDot | QDir::AllEntries).isEmpty()) {
+    int answer = QMessageBox::question(
+        myMainWindow,
+        //: Title of the dialog which asks user if he wants to save study in existing non-empty folder
+        tr("Save"),
+        tr("The folder already contains some files, save anyway?"),
+        QMessageBox::Save | QMessageBox::Cancel);
+    if (answer == QMessageBox::Cancel) {
       return false;
     }
   }
   myCurrentDir = aTempDir;
+  if (!isSalomeMode()) {
+    myMainWindow->setCurrentDir(myCurrentDir, false);
+    myMainWindow->setModifiedState(false);
+  }
   return onSave();
 }
 
@@ -644,11 +780,10 @@ bool XGUI_Workshop::onSaveAs()
 void XGUI_Workshop::onUndo()
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
-  if (aDoc->isOperation())
-    operationMgr()->abortOperation();
-  aDoc->undo();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->isOperation())
+    operationMgr()->onAbortOperation();
+  aMgr->undo();
   updateCommandStatus();
 }
 
@@ -656,28 +791,56 @@ void XGUI_Workshop::onUndo()
 void XGUI_Workshop::onRedo()
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
-  if (aDoc->isOperation())
-    operationMgr()->abortOperation();
-  aDoc->redo();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->isOperation())
+    operationMgr()->onAbortOperation();
+  aMgr->redo();
   updateCommandStatus();
 }
 
+//******************************************************
+void XGUI_Workshop::onRebuild()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool aWasOperation = aMgr->isOperation(); // keep this value
+  if (!aWasOperation) {
+    aMgr->startOperation();
+  }
+  static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
+  Events_Loop::loop()->send(boost::shared_ptr<Events_Message>(
+    new Events_Message(aRebuildEvent, this)));
+  if (!aWasOperation) {
+    aMgr->finishOperation();
+  }
+}
+
 //******************************************************
 void XGUI_Workshop::onPreferences()
 {
-  XGUI_Preferences::editPreferences();
+  XGUI_Prefs aModif;
+  XGUI_Preferences::editPreferences(aModif);
+  if (aModif.size() > 0) {
+    QString aSection;
+    foreach (XGUI_Pref aPref, aModif)
+    {
+      aSection = aPref.first;
+      if (aSection == XGUI_Preferences::VIEWER_SECTION) {
+        if (!isSalomeMode())
+          myMainWindow->viewer()->updateFromResources();
+      } else if (aSection == XGUI_Preferences::MENU_SECTION) {
+        if (!isSalomeMode())
+          myMainWindow->menuObject()->updateFromResources();
+      }
+    }
+  }
 }
 
 //******************************************************
 ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 {
-  QString libName =
-      QString::fromStdString(library(theModule.toStdString()));
+  QString libName = QString::fromStdString(library(theModule.toStdString()));
   if (libName.isEmpty()) {
-    qWarning(
-    qPrintable( tr( "Information about module \"%1\" doesn't exist." ).arg( theModule ) ));
+    qWarning(qPrintable(tr("Information about module \"%1\" doesn't exist.").arg(theModule)));
     return 0;
   }
 
@@ -723,9 +886,9 @@ ModuleBase_IModule* XGUI_Workshop::loadModule(const QString& theModule)
 
   if (!err.isEmpty()) {
     if (mainWindow()) {
-      QMessageBox::warning(mainWindow(), tr("Error"), err);
+      Events_Error::send(err.toStdString());
     } else {
-      qWarning( qPrintable( err ));
+      qWarning(qPrintable(err));
     }
   }
   return aModule;
@@ -748,15 +911,15 @@ bool XGUI_Workshop::activateModule()
 void XGUI_Workshop::updateCommandStatus()
 {
   QList<QAction*> aCommands;
-  if (isSalomeMode()) { // update commands in SALOME mode
+  if (isSalomeMode()) {  // update commands in SALOME mode
     aCommands = salomeConnector()->commandList();
   } else {
     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
     foreach (XGUI_Command* aCmd, aMenuBar->features())
       aCommands.append(aCmd);
   }
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  if (aMgr->hasRootDocument()) {
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->hasModuleDocument()) {
     QAction* aUndoCmd;
     QAction* aRedoCmd;
     foreach(QAction* aCmd, aCommands) {
@@ -765,12 +928,12 @@ void XGUI_Workshop::updateCommandStatus()
         aUndoCmd = aCmd;
       else if (aId == "REDO_CMD")
         aRedoCmd = aCmd;
-      else // Enable all commands
+      else
+        // Enable all commands
         aCmd->setEnabled(true);
     }
-    DocumentPtr aDoc = aMgr->rootDocument();
-    aUndoCmd->setEnabled(aDoc->canUndo());
-    aRedoCmd->setEnabled(aDoc->canRedo());
+    aUndoCmd->setEnabled(aMgr->canUndo());
+    aRedoCmd->setEnabled(aMgr->canRedo());
   } else {
     foreach(QAction* aCmd, aCommands) {
       QString aId = aCmd->data().toString();
@@ -778,7 +941,7 @@ void XGUI_Workshop::updateCommandStatus()
         aCmd->setEnabled(true);
       else if (aId == "EXIT_CMD")
         aCmd->setEnabled(true);
-      else 
+      else
         aCmd->setEnabled(false);
     }
   }
@@ -789,15 +952,13 @@ void XGUI_Workshop::updateCommandStatus()
 QList<QAction*> XGUI_Workshop::getModuleCommands() const
 {
   QList<QAction*> aCommands;
-  if (isSalomeMode()) { // update commands in SALOME mode
+  if (isSalomeMode()) {  // update commands in SALOME mode
     aCommands = salomeConnector()->commandList();
   } else {
     XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
-    foreach (XGUI_Workbench* aWb, aMenuBar->workbenches()) {
-      if (aWb != aMenuBar->generalPage()) {
-        foreach(XGUI_Command* aCmd, aWb->features())
-          aCommands.append(aCmd);
-      }
+    foreach(XGUI_Command* aCmd, aMenuBar->features())
+    {
+      aCommands.append(aCmd);
     }
   }
   return aCommands;
@@ -807,11 +968,13 @@ QList<QAction*> XGUI_Workshop::getModuleCommands() const
 QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
 {
   QDockWidget* aObjDock = new QDockWidget(theParent);
-  aObjDock->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);
+  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 }");
+  aObjDock->setStyleSheet(
+      "::title { position: relative; padding-left: 5px; text-align: left center }");
   myObjectBrowser = new XGUI_ObjectsBrowser(aObjDock);
-  connect(myObjectBrowser, SIGNAL(activePartChanged(ObjectPtr)), this, SLOT(changeCurrentDocument(ObjectPtr)));
+  connect(myObjectBrowser, SIGNAL(activePartChanged(ObjectPtr)), this,
+          SLOT(changeCurrentDocument(ObjectPtr)));
   aObjDock->setWidget(myObjectBrowser);
 
   myContextMenuMgr->connectObjectBrowser();
@@ -825,13 +988,13 @@ QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
  */
 void XGUI_Workshop::createDockWidgets()
 {
-  QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() :
-                                          myMainWindow;
+  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
+  myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
-  hidePropertyPanel(); //<! Invisible by default
+  hidePropertyPanel();  //<! Invisible by default
   hideObjectBrowser();
   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
 
@@ -839,14 +1002,15 @@ void XGUI_Workshop::createDockWidgets()
   connect(aOkBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onCommitOperation()));
   QPushButton* aCancelBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_CANCEL);
   connect(aCancelBtn, SIGNAL(clicked()), myOperationMgr, SLOT(onAbortOperation()));
+  connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)), myOperationMgr,
+          SLOT(onKeyReleased(QKeyEvent*)));
+  //connect(myPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)), myOperationMgr,
+  //        SLOT(onWidgetActivated(ModuleBase_ModelWidget*)));
+  //connect(myOperationMgr, SIGNAL(activateNextWidget(ModuleBase_ModelWidget*)), myPropertyPanel,
+  //        SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
+  connect(myOperationMgr, SIGNAL(operationValidated(bool)), myPropertyPanel,
+          SLOT(setAcceptEnabled(bool)));
 
-  connect(myPropertyPanel, SIGNAL(keyReleased(const std::string&, QKeyEvent*)),
-          myOperationMgr, SLOT(onKeyReleased(const std::string&, QKeyEvent*)));
-
-  connect(myPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
-          myOperationMgr, SLOT(onWidgetActivated(ModuleBase_ModelWidget*)));
-  connect(myOperationMgr, SIGNAL(activateNextWidget(ModuleBase_ModelWidget*)),
-          myPropertyPanel, SLOT(onActivateNextWidget(ModuleBase_ModelWidget*)));
 }
 
 //******************************************************
@@ -894,18 +1058,18 @@ void XGUI_Workshop::onFeatureTriggered()
 //******************************************************
 void XGUI_Workshop::changeCurrentDocument(ObjectPtr theObj)
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
+  SessionPtr aMgr = ModelAPI_Session::get();
   if (theObj) {
     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(theObj);
     if (aPart) {
       DocumentPtr aPartDoc = aPart->partDoc();
       if (aPartDoc) {
-        aMgr->setCurrentDocument(aPartDoc);
+        aMgr->setActiveDocument(aPartDoc);
         return;
       }
     }
-  } 
-  aMgr->setCurrentDocument(aMgr->rootDocument());
+  }
+  aMgr->setActiveDocument(aMgr->moduleDocument());
 }
 
 //******************************************************
@@ -914,11 +1078,10 @@ void XGUI_Workshop::salomeViewerSelectionChanged()
   emit salomeViewerSelection();
 }
 
-
 //**************************************************************
-XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const 
-{ 
-  return mySalomeConnector->viewer(); 
+XGUI_SalomeViewer* XGUI_Workshop::salomeViewer() const
+{
+  return mySalomeConnector->viewer();
 }
 
 //**************************************************************
@@ -928,7 +1091,7 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
   if ((theId == "ACTIVATE_PART_CMD") && (aObjects.size() > 0)) {
     ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObjects.first());
     activatePart(aPart);
-  } else if (theId == "DEACTIVATE_PART_CMD") 
+  } else if (theId == "DEACTIVATE_PART_CMD")
     activatePart(ResultPartPtr());
   else if (theId == "DELETE_CMD")
     deleteObjects(aObjects);
@@ -936,6 +1099,14 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     showObjects(aObjects, true);
   else if (theId == "HIDE_CMD")
     showObjects(aObjects, false);
+  else if (theId == "SHOW_ONLY_CMD")
+    showOnlyObjects(aObjects);
+  else if (theId == "SHADING_CMD")
+    setDisplayMode(aObjects, XGUI_Displayer::Shading);
+  else if (theId == "WIREFRAME_CMD")
+    setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
+  else if (theId == "HIDEALL_CMD")
+    myDisplayer->eraseAll();
 }
 
 //**************************************************************
@@ -952,7 +1123,7 @@ void XGUI_Workshop::onWidgetValuesChanged()
   QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
   for (; anIt != aLast; anIt++) {
     ModuleBase_ModelWidget* aCustom = *anIt;
-    if (aCustom && (/*!aCustom->isInitialized(aFeature) ||*/ aCustom == aSenderWidget)) {
+    if (aCustom && (/*!aCustom->isInitialized(aFeature) ||*/aCustom == aSenderWidget)) {
       //aCustom->storeValue(aFeature);
       aCustom->storeValue();
     }
@@ -962,41 +1133,49 @@ void XGUI_Workshop::onWidgetValuesChanged()
 //**************************************************************
 void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
 {
-  changeCurrentDocument(theFeature);
-  myObjectBrowser->activatePart(theFeature);
+  if (!myPartActivating) {
+    myPartActivating = true;
+    if (theFeature)
+      theFeature->activate();
+    changeCurrentDocument(theFeature);
+    myObjectBrowser->activatePart(theFeature);
+    myPartActivating = false;
+  }
 }
 
 //**************************************************************
 void XGUI_Workshop::activateLastPart()
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aDoc = aMgr->rootDocument();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  DocumentPtr aDoc = aMgr->moduleDocument();
   std::string aGrpName = ModelAPI_ResultPart::group();
   ObjectPtr aLastPart = aDoc->object(aGrpName, aDoc->size(aGrpName) - 1);
   ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
-  if (aPart)
+  if (aPart) {
     activatePart(aPart);
+  }
 }
 
 //**************************************************************
 void XGUI_Workshop::deleteObjects(const QList<ObjectPtr>& theList)
 {
-  QMainWindow* aDesktop = isSalomeMode()? salomeConnector()->desktop() : myMainWindow;
-  QMessageBox::StandardButton aRes = QMessageBox::warning(aDesktop, tr("Delete features"), 
-                                                          tr("Seleted features will be deleted. Continue?"), 
-                                                          QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+  QMessageBox::StandardButton aRes = QMessageBox::warning(
+      aDesktop, tr("Delete features"), tr("Seleted features will be deleted. Continue?"),
+      QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
   // ToDo: definbe deleting method
   if (aRes == QMessageBox::Yes) {
-    PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-    aMgr->rootDocument()->startOperation();
-    foreach (ObjectPtr aObj, theList) {
+    SessionPtr aMgr = ModelAPI_Session::get();
+    aMgr->startOperation();
+    foreach (ObjectPtr aObj, theList)
+    {
       ResultPartPtr aPart = boost::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
       if (aPart) {
         DocumentPtr aDoc = aPart->document();
-        if (aDoc == aMgr->currentDocument()) {
+        if (aDoc == aMgr->activeDocument()) {
           aDoc->close();
         }
-        //aMgr->rootDocument()->removeFeature(aPart->owner());
+        //aMgr->moduleDocument()->removeFeature(aPart->owner());
       } else {
         FeaturePtr aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
         if (aFeature)
@@ -1004,14 +1183,15 @@ void XGUI_Workshop::deleteObjects(const QList<ObjectPtr>& theList)
       }
     }
     myDisplayer->updateViewer();
-    aMgr->rootDocument()->finishOperation();
+    aMgr->finishOperation();
   }
 }
 
 //**************************************************************
 void XGUI_Workshop::showObjects(const QList<ObjectPtr>& theList, bool isVisible)
 {
-  foreach (ObjectPtr aObj, theList) {
+  foreach (ObjectPtr aObj, theList)
+  {
     ResultPtr aRes = boost::dynamic_pointer_cast<ModelAPI_Result>(aObj);
     if (aRes) {
       if (isVisible) {
@@ -1024,25 +1204,46 @@ void XGUI_Workshop::showObjects(const QList<ObjectPtr>& theList, bool isVisible)
   myDisplayer->updateViewer();
 }
 
+//**************************************************************
+void XGUI_Workshop::showOnlyObjects(const QList<ObjectPtr>& theList)
+{
+  myDisplayer->eraseAll(false);
+  showObjects(theList, true);
+}
+
+
 //**************************************************************
 void XGUI_Workshop::updateCommandsOnViewSelection()
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
   XGUI_Selection* aSelection = mySelector->selection();
   if (aSelection->getSelected().size() == 0)
     return;
 
+  // Restrict validators to manage only nested (child) features
+  // of the current feature i.e. if current feature is Sketch -
+  // Sketch Features & Constraints can be validated.
+  QStringList aNestedIds;
+  if(myOperationMgr->hasOperation()) {
+    FeaturePtr aFeature = myOperationMgr->currentOperation()->feature();
+    if(aFeature) {
+      aNestedIds << myActionsMgr->nestedCommands(QString::fromStdString(aFeature->getKind()));
+    }
+  }
+  SessionPtr aMgr = ModelAPI_Session::get();
+  ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
   QList<QAction*> aActions = getModuleCommands();
   foreach(QAction* aAction, aActions) {
     QString aId = aAction->data().toString();
+    if(!aNestedIds.contains(aId))
+      continue;
     std::list<ModelAPI_Validator*> aValidators;
-    aFactory->validators(aId.toStdString(), aValidators);
+    std::list<std::list<std::string> > anArguments;
+    aFactory->validators(aId.toStdString(), aValidators, anArguments);
     std::list<ModelAPI_Validator*>::iterator aValidator = aValidators.begin();
-    for(; aValidator != aValidators.end(); aValidator++) {
+    for (; aValidator != aValidators.end(); aValidator++) {
       if (*aValidator) {
-        const ModuleBase_SelectionValidator* aSelValidator = 
-          dynamic_cast<const ModuleBase_SelectionValidator*>(*aValidator);
+        const ModuleBase_SelectionValidator* aSelValidator =
+            dynamic_cast<const ModuleBase_SelectionValidator*>(*aValidator);
         if (aSelValidator) {
           aAction->setEnabled(aSelValidator->isValid(aSelection));
         }
@@ -1051,20 +1252,18 @@ void XGUI_Workshop::updateCommandsOnViewSelection()
   }
 }
 
-
 //**************************************************************
 void XGUI_Workshop::registerValidators() const
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
+  SessionPtr aMgr = ModelAPI_Session::get();
   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
 }
 
-
 //**************************************************************
 void XGUI_Workshop::displayAllResults()
 {
-  PluginManagerPtr aMgr = ModelAPI_PluginManager::get();
-  DocumentPtr aRootDoc = aMgr->rootDocument();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  DocumentPtr aRootDoc = aMgr->moduleDocument();
   displayDocumentResults(aRootDoc);
   for (int i = 0; i < aRootDoc->size(ModelAPI_ResultPart::group()); i++) {
     ObjectPtr aObject = aRootDoc->object(ModelAPI_ResultPart::group(), i);
@@ -1077,6 +1276,8 @@ void XGUI_Workshop::displayAllResults()
 //**************************************************************
 void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
 {
+  if (!theDoc)
+    return;
   displayGroupResults(theDoc, ModelAPI_ResultConstruction::group());
   displayGroupResults(theDoc, ModelAPI_ResultBody::group());
 }
@@ -1086,4 +1287,14 @@ void XGUI_Workshop::displayGroupResults(DocumentPtr theDoc, std::string theGroup
 {
   for (int i = 0; i < theDoc->size(theGroup); i++)
     myDisplayer->display(theDoc->object(theGroup, i), false);
-}
\ No newline at end of file
+}
+
+//**************************************************************
+void XGUI_Workshop::setDisplayMode(const QList<ObjectPtr>& theList, int theMode)
+{
+  foreach(ObjectPtr aObj, theList) {
+    myDisplayer->setDisplayMode(aObj, (XGUI_Displayer::DisplayMode)theMode, false);
+  }
+  if (theList.size() > 0)
+    myDisplayer->updateViewer();
+}