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Merge branch 'Dev_1.2.0' of newgeom:newgeom into Dev_1.2.0
[modules/shaper.git] / src / XGUI / XGUI_Workshop.cpp
index 301839bf241424fc41bf310406e7ad6b0f773f09..646a41bfa8c070f70a6f183e566d8db0c59b2cb1 100644 (file)
@@ -1,13 +1,8 @@
-#include "ModuleBase_IModule.h"
-#include "XGUI_Constants.h"
-#include "XGUI_Command.h"
-#include "XGUI_MainMenu.h"
-#include "XGUI_MainWindow.h"
-#include "XGUI_MenuGroupPanel.h"
+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
+//#include "XGUI_Constants.h"
 #include "XGUI_Tools.h"
-#include "XGUI_Workbench.h"
 #include "XGUI_Workshop.h"
-#include "XGUI_Viewer.h"
 #include "XGUI_SelectionMgr.h"
 #include "XGUI_Selection.h"
 #include "XGUI_ObjectsBrowser.h"
 #include "XGUI_SalomeConnector.h"
 #include "XGUI_ActionsMgr.h"
 #include "XGUI_ErrorDialog.h"
+#include "XGUI_ColorDialog.h"
 #include "XGUI_ViewerProxy.h"
 #include "XGUI_PropertyPanel.h"
 #include "XGUI_ContextMenuMgr.h"
 #include "XGUI_ModuleConnector.h"
-#include "XGUI_Preferences.h"
 #include <XGUI_QtEvents.h>
+#include <XGUI_HistoryMenu.h>
+
+#include <AppElements_Workbench.h>
+#include <AppElements_Viewer.h>
+#include <AppElements_Command.h>
+#include <AppElements_MainMenu.h>
+#include <AppElements_MainWindow.h>
+#include <AppElements_MenuGroupPanel.h>
+#include <AppElements_Button.h>
+
+#include <ModuleBase_IModule.h>
+#include <ModuleBase_Preferences.h>
 
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Session.h>
 #include <ModelAPI_AttributeDocRef.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_Validator.h>
+#include <ModelAPI_ResultGroup.h>
 #include <ModelAPI_ResultConstruction.h>
 #include <ModelAPI_ResultBody.h>
+#include <ModelAPI_AttributeIntArray.h>
+#include <ModelAPI_ResultParameter.h>
 
-#include <PartSetPlugin_Part.h>
+//#include <PartSetPlugin_Part.h>
 
 #include <Events_Loop.h>
 #include <Events_Error.h>
 #include <ModuleBase_WidgetFactory.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_IViewer.h>
+#include <ModuleBase_FilterFactory.h>
+#include <ModuleBase_PageBase.h>
+#include <ModuleBase_Tools.h>
 
 #include <Config_Common.h>
 #include <Config_FeatureMessage.h>
 #include <Config_PointerMessage.h>
 #include <Config_ModuleReader.h>
 #include <Config_PropManager.h>
+#include <Config_SelectionFilterMessage.h>
 
 #include <QApplication>
 #include <QFileDialog>
@@ -62,6 +76,9 @@
 #include <QLayout>
 #include <QThread>
 #include <QObject>
+#include <QMenu>
+#include <QToolButton>
+#include <QAction>
 
 #ifdef _DEBUG
 #include <QDebug>
 #include <dlfcn.h>
 #endif
 
-QMap<QString, QString> XGUI_Workshop::myIcons;
+//#define DEBUG_FEATURE_CREATED
+//#define DEBUG_FEATURE_REDISPLAY
 
 
-QIcon XGUI_Workshop::featureIcon(const FeaturePtr& theFeature)
-{
-  QIcon anIcon;
-
-  std::string aKind = theFeature->getKind();
-  QString aId(aKind.c_str());
-  if (!myIcons.contains(aId))
-    return anIcon;
-
-  QString anIconString = myIcons[aId];
-
-  ModelAPI_ExecState aState = theFeature->data()->execState();
-  switch(aState) {
-    case ModelAPI_StateDone:
-    case ModelAPI_StateNothing:
-      anIcon = QIcon(anIconString);
-    case ModelAPI_StateMustBeUpdated: {
-      anIcon = ModuleBase_Tools::lighter(anIconString);
-    }
-    break;
-    case ModelAPI_StateExecFailed: {
-      anIcon = ModuleBase_Tools::composite(":pictures/exec_state_failed.png", anIconString);
-    }
-    break;
-    case ModelAPI_StateInvalidArgument: {
-      anIcon = ModuleBase_Tools::composite(":pictures/exec_state_invalid_parameters.png",
-                                           anIconString);
-    }
-    break;
-    default: break;  
-  }
-  return anIcon;  
-}
-
 XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
     : QObject(),
       myCurrentDir(QString()),
@@ -120,9 +104,10 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
       myObjectBrowser(0),
       myDisplayer(0),
       myUpdatePrefs(false),
-      myPartActivating(false)
+      myPartActivating(false),
+      myIsLoadingData(false)
 {
-  myMainWindow = mySalomeConnector ? 0 : new XGUI_MainWindow();
+  myMainWindow = mySalomeConnector ? 0 : new AppElements_MainWindow();
 
   myDisplayer = new XGUI_Displayer(this);
 
@@ -137,21 +122,22 @@ XGUI_Workshop::XGUI_Workshop(XGUI_SalomeConnector* theConnector)
           SLOT(onContextMenuCommand(const QString&, bool)));
 
   myViewerProxy = new XGUI_ViewerProxy(this);
-  connect(myViewerProxy, SIGNAL(selectionChanged()), this, SLOT(updateCommandsOnViewSelection()));
+  connect(myViewerProxy, SIGNAL(selectionChanged()),
+          myActionsMgr,  SLOT(updateOnViewSelection()));
 
   myModuleConnector = new XGUI_ModuleConnector(this);
 
   connect(myOperationMgr, SIGNAL(operationStarted(ModuleBase_Operation*)), 
-          SLOT(onOperationStarted()));
-  connect(myOperationMgr, SIGNAL(operationResumed(ModuleBase_Operation*)), SLOT(onOperationStarted()));
+          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*)), 
+          SLOT(onOperationCommitted(ModuleBase_Operation*)));
+  connect(myOperationMgr, SIGNAL(operationAborted(ModuleBase_Operation*)), 
+          SLOT(onOperationAborted(ModuleBase_Operation*)));
   connect(myMainWindow, SIGNAL(exitKeySequence()), SLOT(onExit()));
-  // TODO(sbh): It seems that application works properly without update on operationStarted
-  connect(myOperationMgr, SIGNAL(operationStarted(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&)));
 }
 
@@ -177,17 +163,18 @@ void XGUI_Workshop::startApplication()
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
   aLoop->registerListener(this, Events_Loop::eventByName(EVENT_OBJECT_CREATED));
   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_LongOp::eventID());
   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));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_SELFILTER_LOADED));
+
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED));
+  aLoop->registerListener(this, Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED));
 
   registerValidators();
+
   // Calling of  loadCustomProps before activating module is required
   // by Config_PropManger to restore user-defined path to plugins
-  XGUI_Preferences::loadCustomProps();
+  ModuleBase_Preferences::loadCustomProps();
   activateModule();
   if (myMainWindow) {
     myMainWindow->show();
@@ -195,6 +182,8 @@ void XGUI_Workshop::startApplication()
   }
   
   onNew();
+
+  emit applicationStarted();
 }
 
 //******************************************************
@@ -209,10 +198,14 @@ void XGUI_Workshop::initMenu()
                                                          QIcon(":pictures/undo.png"),
                                                          QKeySequence::Undo, false, "MEN_DESK_EDIT");
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onUndo()));
+    addHistoryMenu(aAction, SIGNAL(updateUndoHistory(const QList<ActionInfo>&)), SLOT(onUndo(int)));
+
     aAction = salomeConnector()->addDesktopCommand("REDO_CMD", tr("Redo"), tr("Redo last command"),
                                                 QIcon(":pictures/redo.png"), QKeySequence::Redo,
                                                 false, "MEN_DESK_EDIT");
     connect(aAction, SIGNAL(triggered(bool)), this, SLOT(onRedo()));
+    addHistoryMenu(aAction, SIGNAL(updateRedoHistory(const QList<ActionInfo>&)), SLOT(onRedo(int)));
+
     salomeConnector()->addDesktopMenuSeparator("MEN_DESK_EDIT");
     aAction = salomeConnector()->addDesktopCommand("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
                                                 QIcon(":pictures/rebuild.png"), QKeySequence(),
@@ -234,22 +227,32 @@ void XGUI_Workshop::initMenu()
     return;
   }
   // File commands group
-  XGUI_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
+  AppElements_MenuGroupPanel* aGroup = myMainWindow->menuObject()->generalPage();
 
-  XGUI_Command* aCommand;
+  AppElements_Command* aCommand;
 
   aCommand = aGroup->addFeature("SAVE_CMD", tr("Save..."), tr("Save the document"),
                                 QIcon(":pictures/save.png"), QKeySequence::Save);
   aCommand->connectTo(this, SLOT(onSave()));
   //aCommand->disable();
 
-  aCommand = aGroup->addFeature("UNDO_CMD", tr("Undo"), tr("Undo last command"),
+  QString aUndoId = "UNDO_CMD";
+  aCommand = aGroup->addFeature(aUndoId, tr("Undo"), tr("Undo last command"),
                                 QIcon(":pictures/undo.png"), QKeySequence::Undo);
   aCommand->connectTo(this, SLOT(onUndo()));
+  AppElements_Button* aUndoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aUndoId));
+  addHistoryMenu(aUndoButton,
+                 SIGNAL(updateUndoHistory(const QList<ActionInfo>&)),
+                 SLOT(onUndo(int)));
 
-  aCommand = aGroup->addFeature("REDO_CMD", tr("Redo"), tr("Redo last command"),
+  QString aRedoId = "REDO_CMD";
+  aCommand = aGroup->addFeature(aRedoId, tr("Redo"), tr("Redo last command"),
                                 QIcon(":pictures/redo.png"), QKeySequence::Redo);
   aCommand->connectTo(this, SLOT(onRedo()));
+  AppElements_Button* aRedoButton = qobject_cast<AppElements_Button*>(aGroup->widget(aRedoId));
+  addHistoryMenu(aRedoButton,
+                 SIGNAL(updateRedoHistory(const QList<ActionInfo>&)),
+                 SLOT(onRedo(int)));
 
   aCommand = aGroup->addFeature("REBUILD_CMD", tr("Rebuild"), tr("Rebuild data objects"),
     QIcon(":pictures/rebuild.png"), QKeySequence());
@@ -284,9 +287,9 @@ void XGUI_Workshop::initMenu()
 }
 
 //******************************************************
-XGUI_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
+AppElements_Workbench* XGUI_Workshop::addWorkbench(const QString& theName)
 {
-  XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
+  AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
   return aMenuBar->addWorkbench(theName);
 }
 
@@ -311,7 +314,6 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
       addFeature(aFeatureMsg);
     }
   }
-
   // Process creation of Part
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
@@ -326,57 +328,25 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_PLUGIN_LOADED)) {
     myUpdatePrefs = true;
   }
-
   // Redisplay feature
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aUpdMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureRedisplayMsg(aUpdMsg);
   }
-
   //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.
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED)) {
     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
     onFeatureUpdatedMsg(anUpdateMsg);
-  }
-
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_DELETED)) {
-    std::shared_ptr<ModelAPI_ObjectDeletedMessage> aDelMsg =
-        std::dynamic_pointer_cast<ModelAPI_ObjectDeletedMessage>(theMessage);
-    onObjectDeletedMsg(aDelMsg);
-  }
-
-  else if (theMessage->eventID() == Events_LongOp::eventID()) {
-    if (Events_LongOp::isPerformed())
+  } else if (theMessage->eventID() == Events_LongOp::eventID()) {
+    if (Events_LongOp::isPerformed()) {
       QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));
-    else
+    } else {
       QApplication::restoreOverrideCursor();
+    }
   }
-
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OBJECT_TOSHOW)) {
-    std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
-        std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
-    const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
-    QObjectPtrList 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)) {
-    std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
-        std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
-    const std::set<ObjectPtr>& aObjList = anUpdateMsg->objects();
-    QObjectPtrList 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.
   else if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_OPERATION_LAUNCHED)) {
     std::shared_ptr<Config_PointerMessage> aPartSetMsg =
@@ -391,36 +361,30 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
           updateCommandStatus();
       }
     }
-  }
-  else if (theMessage->eventID() == Events_Loop::loop()->eventByName("CurrentDocumentChanged")) {
-    myActionsMgr->update();
-    // Find and Activate active part
-    if (myPartActivating)
-      return;
-    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 = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aDoc->object(aGrpName, i));
-      if (aPart->partDoc() == aActiveDoc) {
-        activatePart(aPart); // Activate a part which corresponds to active Doc
-        return;
+  } 
+  else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_SELFILTER_LOADED)) {
+    std::shared_ptr<Config_SelectionFilterMessage> aMsg = 
+      std::dynamic_pointer_cast<Config_SelectionFilterMessage>(theMessage);
+    if (aMsg) {
+      ModuleBase_FilterFactory* aFactory = moduleConnector()->selectionFilters();
+      if (!aMsg->attributeId().empty()) {
+        aFactory->assignFilter(aMsg->selectionFilterId(), aMsg->featureId(), aMsg->attributeId(),
+                               aMsg->parameters());
       }
     }
-    // If not found then activate global document
-    activatePart(ResultPartPtr()); 
-
+  } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)) {
+    // the viewer's update context will not happens until viewer updated is emitted
+    myDisplayer->enableUpdateViewer(false);
+  } else if (theMessage->eventID() == Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)) {
+    // the viewer's update context is unblocked, the viewer's update works
+    myDisplayer->enableUpdateViewer(true);
   } else {
     //Show error dialog if error message received.
     std::shared_ptr<Events_Error> anAppError = std::dynamic_pointer_cast<Events_Error>(theMessage);
     if (anAppError) {
       emit errorOccurred(QString::fromLatin1(anAppError->description()));
     }
+    return;
   }
   if (!isSalomeMode()) {
     SessionPtr aMgr = ModelAPI_Session::get();
@@ -429,6 +393,11 @@ void XGUI_Workshop::processEvent(const std::shared_ptr<Events_Message>& theMessa
   }
 }
 
+//******************************************************
+QMainWindow* XGUI_Workshop::desktop() const
+{
+  return isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+}
 
 //******************************************************
 void XGUI_Workshop::onStartWaiting()
@@ -454,8 +423,8 @@ void XGUI_Workshop::onFeatureUpdatedMsg(const std::shared_ptr<ModelAPI_ObjectUpd
     }
   }
   myOperationMgr->onValidateOperation();
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
+  //if (myObjectBrowser)
+  //  myObjectBrowser->processEvent(theMsg);
 }
 
 //******************************************************
@@ -463,9 +432,22 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
   std::set<ObjectPtr>::const_iterator aIt;
+
+#ifdef DEBUG_FEATURE_REDISPLAY
+  QStringList anInfo;
+  for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+    anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
+  }
+  QString anInfoStr = anInfo.join(", ");
+  qDebug(QString("onFeatureRedisplayMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
+#endif
+
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
     ObjectPtr aObj = (*aIt);
-    bool aHide = !aObj->data() || !aObj->data()->isValid();
+
+    // Hide the object if it is invalid or concealed one
+    bool aHide = !aObj->data() || !aObj->data()->isValid() || 
+      aObj->isDisabled() || (!aObj->isDisplayed());
     if (!aHide) { // check that this is not hidden result
       ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
       aHide = aRes && aRes->isConcealed();
@@ -473,19 +455,36 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
     if (aHide)
       myDisplayer->erase(aObj, false);
     else {
-      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) && myDisplayer->isActive(aObj))
+      // Redisplay the visible object or the object of the current operation
+      bool isVisibleObject = myDisplayer->isVisible(aObj);
+      #ifdef DEBUG_FEATURE_REDISPLAY
+      //QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
+      //qDebug(QString("visible=%1 : display= %2").arg(isVisibleObject).arg(anObjInfo).toStdString().c_str());
+      #endif
+
+      if (isVisibleObject)  { // redisplay visible object
+        //displayObject(aObj);  // In order to update presentation
+        // in order to avoid the check whether the object can be redisplayed, the exact method
+        // of redisplay is called. This modification is made in order to have the line is updated
+        // by creation of a horizontal constraint on the line by preselection
+        myDisplayer->redisplay(aObj, false);
+        //if (myOperationMgr->hasOperation()) {
+        //  ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
+        //  if (!aOperation->isEditOperation() &&
+        //      aOperation->hasObject(aObj) && myDisplayer->isActive(aObj))
+        if (!myModule->canActivateSelection(aObj)) {
+          if (myDisplayer->isActive(aObj))
             myDisplayer->deactivate(aObj);
         }
-      } else {
-        if (myOperationMgr->hasOperation()) {
-          ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-          // Display only current operation results if operation has preview
-          if (aOperation->hasObject(aObj)/* && aOperation->hasPreview()*/) {
-            myDisplayer->display(aObj, false);
+      } else { // display object if the current operation has it
+        if (displayObject(aObj)) {
+          //ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
+          //if (aOperation && aOperation->hasObject(aObj)) {
+          if (!myModule->canActivateSelection(aObj)) {
+            #ifdef DEBUG_FEATURE_REDISPLAY
+              QString anObjInfo = ModuleBase_Tools::objectInfo((aObj));
+              qDebug(QString("  display object = %1").arg(anObjInfo).toStdString().c_str());
+            #endif
             // Deactivate object of current operation from selection
             if (myDisplayer->isActive(aObj))
               myDisplayer->deactivate(aObj);
@@ -501,26 +500,37 @@ void XGUI_Workshop::onFeatureRedisplayMsg(const std::shared_ptr<ModelAPI_ObjectU
 void XGUI_Workshop::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpdatedMessage>& theMsg)
 {
   std::set<ObjectPtr> aObjects = theMsg->objects();
-
   std::set<ObjectPtr>::const_iterator aIt;
-  bool aHasPart = false;
+#ifdef DEBUG_FEATURE_CREATED
+  QStringList anInfo;
+  for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
+    anInfo.append(ModuleBase_Tools::objectInfo((*aIt)));
+  }
+  QString anInfoStr = anInfo.join(", ");
+  qDebug(QString("onFeatureCreatedMsg: %1, %2").arg(aObjects.size()).arg(anInfoStr).toStdString().c_str());
+#endif
+
+  //bool aHasPart = false;
   bool isDisplayed = false;
   for (aIt = aObjects.begin(); aIt != aObjects.end(); ++aIt) {
-    ResultPartPtr aPart = std::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()) {
-      ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-      if (aOperation->hasObject(*aIt)) {  // Display only current operation results
-        myDisplayer->display(*aIt, false);
-        isDisplayed = true;
-      }
+    ObjectPtr anObject = *aIt;
+    // the validity of the data should be checked here in order to avoid display of the objects,
+    // which were created, then deleted, but flush for the creation event happens after that
+    // we should not display disabled objects
+    bool aHide = !anObject->data() || !anObject->data()->isValid() || 
+      anObject->isDisabled() || (!anObject->isDisplayed());
+    if (!aHide) {
+      // setDisplayed has to be called in order to synchronize internal state of the object 
+      // with list of displayed objects
+      if (myModule->canDisplayObject(anObject)) {
+        anObject->setDisplayed(true);
+        isDisplayed = displayObject(*aIt);
+      } else 
+        anObject->setDisplayed(false);
     }
   }
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
+  //if (myObjectBrowser)
+  //  myObjectBrowser->processEvent(theMsg);
   if (isDisplayed)
     myDisplayer->updateViewer();
   //if (aHasPart) { // TODO: Avoid activate last part on loading of document
@@ -529,81 +539,112 @@ void XGUI_Workshop::onFeatureCreatedMsg(const std::shared_ptr<ModelAPI_ObjectUpd
 }
 
 //******************************************************
-void XGUI_Workshop::onObjectDeletedMsg(const std::shared_ptr<ModelAPI_ObjectDeletedMessage>& theMsg)
+void XGUI_Workshop::onOperationStarted(ModuleBase_Operation* theOperation)
 {
-  if (myObjectBrowser)
-    myObjectBrowser->processEvent(theMsg);
-  //std::set<ObjectPtr> aFeatures = theMsg->objects();
+  setNestedFeatures(theOperation);
+
+  if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
+    connectWithOperation(theOperation);
+    setPropertyPanel(theOperation);
+  }
+  updateCommandStatus();
+
+  myModule->operationStarted(theOperation);
 }
 
 //******************************************************
-void XGUI_Workshop::onOperationStarted()
+void XGUI_Workshop::onOperationResumed(ModuleBase_Operation* theOperation)
 {
-  ModuleBase_Operation* aOperation = myOperationMgr->currentOperation();
-  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);
-
-    myPropertyPanel->cleanContent();
-    aFactory.createWidget(myPropertyPanel->contentWidget());
-    ModuleBase_Tools::zeroMargins(myPropertyPanel->contentWidget());
-
-    QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
-    foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
-      aWidget->setFeature(aOperation->feature());
-      aWidget->enableFocusProcessing();
-      QObject::connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onWidgetValuesChanged()));
-      // Init default values
-      if (!aOperation->isEditOperation() && !aWidget->isComputedDefault()) {
-        aWidget->storeValue();
-      }
-    }
+  setNestedFeatures(theOperation);
 
-    myPropertyPanel->setModelWidgets(aWidgets);
-    aOperation->setPropertyPanel(myPropertyPanel);
-    // Do not activate widgets by default if the current operation is editing operation
-    // Because we don't know which widget is going to be edited. 
-    if ((!aOperation->isEditOperation())) {
-      if (!aOperation->activateByPreselection())
-        myPropertyPanel->activateNextWidget(NULL);
-    }
-    // Set final definitions if they are necessary
-    myModule->propertyPanelDefined(aOperation);
-
-    // 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());
-    }
+  if (theOperation->getDescription()->hasXmlRepresentation()) {  //!< No need for property panel
+    // connectWithOperation(theOperation); already connected
+    setPropertyPanel(theOperation);
   }
   updateCommandStatus();
+
+  myModule->operationResumed(theOperation);
 }
 
+
 //******************************************************
 void XGUI_Workshop::onOperationStopped(ModuleBase_Operation* theOperation)
 {
+  ModuleBase_ISelection* aSel = mySelector->selection();
+  QObjectPtrList aObj = aSel->selectedPresentations();
   //!< No need for property panel
   updateCommandStatus();
   hidePropertyPanel();
   myPropertyPanel->cleanContent();
 
-  // Activate objects created by current operation
-  FeaturePtr aFeature = theOperation->feature();
-  myDisplayer->activate(aFeature);
-  const std::list<ResultPtr>& aResults = aFeature->results();
-  std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.cbegin(); aIt != aResults.cend(); ++aIt) {
-    myDisplayer->activate(*aIt);
+  // Activate objects created by current operation 
+  // in order to clean selection modes
+  // the deactivation should be pefromed in the same place, where the mode is activated,
+  // e.g. activation in the current widget activation, deactivation - in the widget's deactivation
+  //QIntList aModes;
+  //myDisplayer->activateObjects(aModes);
+  myModule->operationStopped(theOperation);
+
+  // if the operation is nested, do not deactivate objects
+  //if (myOperationMgr->operationsCount() == 0) {
+    // Activate selection mode for all objects
+  QIntList aModes;
+  // TODO: check on OCC_6.9.0
+  // the module current active modes should not be deactivated in order to save the objects selected
+  // the deactivate object in the mode of selection leads to the object is deselected in the viewer.
+  // But, in OCC_6.8.0 this deselection does not happened automatically. It is necessary to call
+  // ClearOutdatedSelection, but this method has an error in the realization, which should be fixed in
+  // the OCC_6.9.0 release. Moreother, it is possible that ClearOutdatedSelection will be called inside
+  // Deactivate method of AIS_InteractiveContext. In this case, we need not call it.
+  module()->activeSelectionModes(aModes);
+  myDisplayer->activateObjects(aModes);
+  //}
+}
+
+
+void XGUI_Workshop::onOperationCommitted(ModuleBase_Operation* theOperation)
+{
+  myModule->operationCommitted(theOperation);
+}
+
+void XGUI_Workshop::onOperationAborted(ModuleBase_Operation* theOperation)
+{
+  myModule->operationAborted(theOperation);
+}
+
+void XGUI_Workshop::setNestedFeatures(ModuleBase_Operation* theOperation)
+{
+  if (this->isSalomeMode()) 
+    theOperation->setNestedFeatures(mySalomeConnector->nestedActions(theOperation->id()));
+  else 
+    theOperation->setNestedFeatures(myActionsMgr->nestedCommands(theOperation->id()));
+}
+
+void XGUI_Workshop::setPropertyPanel(ModuleBase_Operation* theOperation)
+{
+  showPropertyPanel();
+  QString aXmlRepr = theOperation->getDescription()->xmlRepresentation();
+  ModuleBase_WidgetFactory aFactory = ModuleBase_WidgetFactory(aXmlRepr.toStdString(),
+                                                                myModuleConnector);
+
+  myPropertyPanel->cleanContent();
+  aFactory.createWidget(myPropertyPanel->contentWidget());
+
+  QList<ModuleBase_ModelWidget*> aWidgets = aFactory.getModelWidgets();
+  foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
+    bool isStoreValue = !theOperation->isEditOperation() &&
+                        !aWidget->getDefaultValue().empty() &&
+                        !aWidget->isComputedDefault();
+    aWidget->setFeature(theOperation->feature(), isStoreValue);
+    aWidget->enableFocusProcessing();
   }
+  
+  myPropertyPanel->setModelWidgets(aWidgets);
+  theOperation->setPropertyPanel(myPropertyPanel);
+
+  myModule->propertyPanelDefined(theOperation);
+
+  myPropertyPanel->setWindowTitle(theOperation->getDescription()->description());
 }
 
 bool XGUI_Workshop::event(QEvent * theEvent)
@@ -628,52 +669,68 @@ void XGUI_Workshop::addFeature(const std::shared_ptr<Config_FeatureMessage>& the
 #endif
     return;
   }
-  // Remember features icons
-  myIcons[QString::fromStdString(theMessage->id())] = QString::fromStdString(theMessage->icon());
+  ActionInfo aFeatureInfo;
+  aFeatureInfo.initFrom(theMessage);
 
-  //Find or create Workbench
   QString aWchName = QString::fromStdString(theMessage->workbenchId());
-  QString aNestedFeatures = QString::fromStdString(theMessage->nestedFeatures());
-  bool isUsePropPanel = theMessage->isUseInput();
-  QString aFeatureId = QString::fromStdString(theMessage->id());
+  QStringList aNestedFeatures =
+      QString::fromStdString(theMessage->nestedFeatures()).split(" ", QString::SkipEmptyParts);
+  QString aDocKind = QString::fromStdString(theMessage->documentKind());
+  QList<QAction*> aNestedActList;
+  bool isColumnButton = !aNestedFeatures.isEmpty();
+  if (isColumnButton) {
+    QString aNestedActions = QString::fromStdString(theMessage->actionsWhenNested());
+    if (aNestedActions.contains("accept")) {
+      QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll, NULL);
+      connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(commitAllOperations()));
+      aNestedActList << anAction;
+    }
+    if (aNestedActions.contains("abort")) {
+      QAction* anAction = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AbortAll, NULL);
+      connect(anAction, SIGNAL(triggered()), myOperationMgr, SLOT(abortAllOperations()));
+      aNestedActList << anAction;
+    }
+  }
+
   if (isSalomeMode()) {
-    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));
-    salomeConnector()->setDocumentKind(aFeatureId, QString::fromStdString(theMessage->documentKind()));
+    QAction* aAction;
+    if (isColumnButton) {
+      aAction = salomeConnector()->addNestedFeature(aWchName, aFeatureInfo, aNestedActList);
+    } else {
+      aAction = salomeConnector()->addFeature(aWchName, aFeatureInfo);
+    }
+    salomeConnector()->setNestedActions(aFeatureInfo.id, aNestedFeatures);
+    salomeConnector()->setDocumentKind(aFeatureInfo.id, aDocKind);
 
     myActionsMgr->addCommand(aAction);
     myModule->actionCreated(aAction);
   } else {
-
-    XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
-    XGUI_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
+    //Find or create Workbench
+    AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
+    AppElements_Workbench* aPage = aMenuBar->findWorkbench(aWchName);
     if (!aPage) {
       aPage = addWorkbench(aWchName);
     }
     //Find or create Group
     QString aGroupName = QString::fromStdString(theMessage->groupId());
-    XGUI_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
+    AppElements_MenuGroupPanel* aGroup = aPage->findGroup(aGroupName);
     if (!aGroup) {
       aGroup = aPage->addGroup(aGroupName);
     }
-    QString aDocKind = QString::fromStdString(theMessage->documentKind());
     // Check if hotkey sequence is already defined:
-    QKeySequence aHotKey = myActionsMgr->registerShortcut(
-        QString::fromStdString(theMessage->keysequence()));
+    QKeySequence aHotKey = myActionsMgr->registerShortcut(aFeatureInfo.shortcut);
+    if(aHotKey != aFeatureInfo.shortcut) {
+      aFeatureInfo.shortcut = aHotKey;
+    }
     // Create feature...
-    XGUI_Command* aCommand = aGroup->addFeature(aFeatureId,
-                                                QString::fromStdString(theMessage->text()),
-                                                QString::fromStdString(theMessage->tooltip()),
-                                                QIcon(theMessage->icon().c_str()),
-                                                aDocKind,
-                                                aHotKey,
-                                                isUsePropPanel);
-    aCommand->setNestedCommands(aNestedFeatures.split(" ", QString::SkipEmptyParts));
+    AppElements_Command* aCommand = aGroup->addFeature(aFeatureInfo,
+                                                       aDocKind,
+                                                       aNestedFeatures);
+    // Enrich created button with accept/abort buttons if necessary
+    AppElements_Button* aButton = aCommand->button();
+    if (aButton->isColumnButton()) {
+      aButton->setAdditionalButtons(aNestedActList);
+    }
     myActionsMgr->addCommand(aCommand);
     myModule->actionCreated(aCommand);
   }
@@ -690,7 +747,7 @@ void XGUI_Workshop::connectWithOperation(ModuleBase_Operation* theOperation)
   if (isSalomeMode()) {
     aCommand = salomeConnector()->command(theOperation->getDescription()->operationId());
   } else {
-    XGUI_MainMenu* aMenu = myMainWindow->menuObject();
+    AppElements_MainMenu* aMenu = myMainWindow->menuObject();
     FeaturePtr aFeature = theOperation->feature();
     if(aFeature)
       aCommand = aMenu->feature(QString::fromStdString(aFeature->getKind()));
@@ -775,7 +832,6 @@ void XGUI_Workshop::onOpen()
     } else if (anAnswer == QMessageBox::Cancel) {
       return;
     }
-    aSession->closeAll();
     myCurrentDir = "";
   }
 
@@ -790,10 +846,13 @@ void XGUI_Workshop::onOpen()
     return;
   }
   QApplication::setOverrideCursor(Qt::WaitCursor);
+  myIsLoadingData = true;
+  aSession->closeAll();
   aSession->load(myCurrentDir.toLatin1().constData());
   myObjectBrowser->rebuildDataTree();
-  displayAllResults();
+  //displayAllResults();
   updateCommandStatus();
+  myIsLoadingData = false;
   QApplication::restoreOverrideCursor();
 }
 
@@ -850,25 +909,39 @@ bool XGUI_Workshop::onSaveAs()
 }
 
 //******************************************************
-void XGUI_Workshop::onUndo()
+void XGUI_Workshop::onUndo(int theTimes)
 {
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
     operationMgr()->onAbortOperation();
-  aMgr->undo();
+  for (int i = 0; i < theTimes; ++i) {
+    aMgr->undo();
+  }
   updateCommandStatus();
 }
 
 //******************************************************
-void XGUI_Workshop::onRedo()
+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
+  bool isUpdateEnabled = myDisplayer->enableUpdateViewer(false);
+
   objectBrowser()->treeView()->setCurrentIndex(QModelIndex());
   SessionPtr aMgr = ModelAPI_Session::get();
   if (aMgr->isOperation())
     operationMgr()->onAbortOperation();
-  aMgr->redo();
+  for (int i = 0; i < theTimes; ++i) {
+    aMgr->redo();
+  }
   updateCommandStatus();
+
+  // unblock the viewer update functionality and make update on purpose
+  myDisplayer->enableUpdateViewer(isUpdateEnabled);
+  myDisplayer->updateViewer();
 }
 
 //******************************************************
@@ -877,7 +950,7 @@ void XGUI_Workshop::onRebuild()
   SessionPtr aMgr = ModelAPI_Session::get();
   bool aWasOperation = aMgr->isOperation(); // keep this value
   if (!aWasOperation) {
-    aMgr->startOperation();
+    aMgr->startOperation("Rebuild");
   }
   static const Events_ID aRebuildEvent = Events_Loop::loop()->eventByName("Rebuild");
   Events_Loop::loop()->send(std::shared_ptr<Events_Message>(
@@ -885,22 +958,23 @@ void XGUI_Workshop::onRebuild()
   if (!aWasOperation) {
     aMgr->finishOperation();
   }
+  updateCommandStatus();
 }
 
 //******************************************************
 void XGUI_Workshop::onPreferences()
 {
-  XGUI_Prefs aModif;
-  XGUI_Preferences::editPreferences(aModif);
+  ModuleBase_Prefs aModif;
+  ModuleBase_Preferences::editPreferences(aModif);
   if (aModif.size() > 0) {
     QString aSection;
-    foreach (XGUI_Pref aPref, aModif)
+    foreach (ModuleBase_Pref aPref, aModif)
     {
       aSection = aPref.first;
-      if (aSection == XGUI_Preferences::VIEWER_SECTION) {
+      if (aSection == ModuleBase_Preferences::VIEWER_SECTION) {
         if (!isSalomeMode())
           myMainWindow->viewer()->updateFromResources();
-      } else if (aSection == XGUI_Preferences::MENU_SECTION) {
+      } else if (aSection == ModuleBase_Preferences::MENU_SECTION) {
         if (!isSalomeMode())
           myMainWindow->menuObject()->updateFromResources();
       }
@@ -975,6 +1049,12 @@ bool XGUI_Workshop::activateModule()
   myModule = loadModule(moduleName);
   if (!myModule)
     return false;
+
+  connect(myDisplayer, SIGNAL(objectDisplayed(ObjectPtr, AISObjectPtr)),
+    myModule, SLOT(onObjectDisplayed(ObjectPtr, AISObjectPtr)));
+  connect(myDisplayer, SIGNAL(beforeObjectErase(ObjectPtr, AISObjectPtr)),
+    myModule, SLOT(onBeforeObjectErase(ObjectPtr, AISObjectPtr)));
+
   myModule->createFeatures();
   myActionsMgr->update();
   return true;
@@ -987,8 +1067,8 @@ void XGUI_Workshop::updateCommandStatus()
   if (isSalomeMode()) {  // update commands in SALOME mode
     aCommands = salomeConnector()->commandList();
   } else {
-    XGUI_MainMenu* aMenuBar = myMainWindow->menuObject();
-    foreach (XGUI_Command* aCmd, aMenuBar->features())
+    AppElements_MainMenu* aMenuBar = myMainWindow->menuObject();
+    foreach (AppElements_Command* aCmd, aMenuBar->features())
       aCommands.append(aCmd);
   }
   SessionPtr aMgr = ModelAPI_Session::get();
@@ -1004,8 +1084,10 @@ void XGUI_Workshop::updateCommandStatus()
         // Enable all commands
         aCmd->setEnabled(true);
     }
-    aUndoCmd->setEnabled(aMgr->canUndo() && !aMgr->isOperation());
-    aRedoCmd->setEnabled(aMgr->canRedo() && !aMgr->isOperation());
+
+    aUndoCmd->setEnabled(myModule->canUndo());
+    aRedoCmd->setEnabled(myModule->canRedo());
+    updateHistory();
   } else {
     foreach(QAction* aCmd, aCommands) {
       QString aId = aCmd->data().toString();
@@ -1018,22 +1100,18 @@ void XGUI_Workshop::updateCommandStatus()
     }
   }
   myActionsMgr->update();
+  emit commandStatusUpdated();
 }
 
-//******************************************************
-QList<QAction*> XGUI_Workshop::getModuleCommands() const
+void XGUI_Workshop::updateHistory()
 {
-  QList<QAction*> aCommands;
-  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);
-    }
-  }
-  return aCommands;
+  std::list<std::string> aUndoList = ModelAPI_Session::get()->undoList();
+  QList<ActionInfo> aUndoRes = processHistoryList(aUndoList);
+  emit updateUndoHistory(aUndoRes);
+
+  std::list<std::string> aRedoList = ModelAPI_Session::get()->redoList();
+  QList<ActionInfo> aRedoRes = processHistoryList(aRedoList);
+  emit updateRedoHistory(aRedoRes);
 }
 
 //******************************************************
@@ -1045,8 +1123,8 @@ QDockWidget* XGUI_Workshop::createObjectBrowser(QWidget* theParent)
   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)));
+  myObjectBrowser->setDataModel(myModule->dataModel());
+  myModule->customizeObjectBrowser(myObjectBrowser);
   aObjDock->setWidget(myObjectBrowser);
 
   myContextMenuMgr->connectObjectBrowser();
@@ -1064,24 +1142,26 @@ void XGUI_Workshop::createDockWidgets()
   QDockWidget* aObjDock = createObjectBrowser(aDesktop);
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, aObjDock);
   myPropertyPanel = new XGUI_PropertyPanel(aDesktop);
+  myPropertyPanel->setupActions(myActionsMgr);
   myPropertyPanel->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea | Qt::BottomDockWidgetArea);
-
-  connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
-
   aDesktop->addDockWidget(Qt::LeftDockWidgetArea, myPropertyPanel);
-  hidePropertyPanel();  //<! Invisible by default
+  hidePropertyPanel();  ///<! Invisible by default
   hideObjectBrowser();
   aDesktop->tabifyDockWidget(aObjDock, myPropertyPanel);
   myPropertyPanel->installEventFilter(myOperationMgr);
 
-  QPushButton* aOkBtn = myPropertyPanel->findChild<QPushButton*>(XGUI::PROP_PANEL_OK);
-  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(myOperationMgr, SIGNAL(operationValidated(bool)), myPropertyPanel,
-          SLOT(setAcceptEnabled(bool)));
+  QAction* aOkAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Accept);
+  connect(aOkAct, SIGNAL(triggered()), myOperationMgr, SLOT(onCommitOperation()));
+  QAction* aCancelAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::Abort);
+  connect(aCancelAct, SIGNAL(triggered()), myOperationMgr, SLOT(onAbortOperation()));
+  connect(myPropertyPanel, SIGNAL(noMoreWidgets()), myModule, SLOT(onNoMoreWidgets()));
+  connect(myPropertyPanel, SIGNAL(keyReleased(QKeyEvent*)),
+          myOperationMgr,  SLOT(onKeyReleased(QKeyEvent*)));
+  connect(myOperationMgr,  SIGNAL(validationStateChanged(bool)),
+          aOkAct,          SLOT(setEnabled(bool)));
+  QAction* aAcceptAllAct = myActionsMgr->operationStateAction(XGUI_ActionsMgr::AcceptAll);
+  connect(myOperationMgr,  SIGNAL(nestedStateChanged(bool)),
+          aAcceptAllAct,   SLOT(setEnabled(bool)));
 
 }
 
@@ -1089,7 +1169,7 @@ void XGUI_Workshop::createDockWidgets()
 void XGUI_Workshop::showPropertyPanel()
 {
   QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  //<! Restore ability to close panel from the window's menu
+  ///<! Restore ability to close panel from the window's menu
   aViewAct->setEnabled(true);
   myPropertyPanel->show();
   myPropertyPanel->raise();
@@ -1099,7 +1179,7 @@ void XGUI_Workshop::showPropertyPanel()
 void XGUI_Workshop::hidePropertyPanel()
 {
   QAction* aViewAct = myPropertyPanel->toggleViewAction();
-  //<! Do not allow to show empty property panel
+  ///<! Do not allow to show empty property panel
   aViewAct->setEnabled(false);
   myPropertyPanel->hide();
 }
@@ -1127,23 +1207,6 @@ void XGUI_Workshop::onFeatureTriggered()
   }
 }
 
-//******************************************************
-void XGUI_Workshop::changeCurrentDocument(ObjectPtr theObj)
-{
-  SessionPtr aMgr = ModelAPI_Session::get();
-  if (theObj) {
-    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(theObj);
-    if (aPart) {
-      DocumentPtr aPartDoc = aPart->partDoc();
-      if (aPartDoc) {
-        aMgr->setActiveDocument(aPartDoc);
-        return;
-      }
-    }
-  }
-  aMgr->setActiveDocument(aMgr->moduleDocument());
-}
-
 //******************************************************
 void XGUI_Workshop::salomeViewerSelectionChanged()
 {
@@ -1160,13 +1223,10 @@ ModuleBase_IViewer* XGUI_Workshop::salomeViewer() const
 void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
 {
   QObjectPtrList aObjects = mySelector->selection()->selectedObjects();
-  if ((theId == "ACTIVATE_PART_CMD") && (aObjects.size() > 0)) {
-    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObjects.first());
-    activatePart(aPart);
-  } else if (theId == "DEACTIVATE_PART_CMD")
-    activatePart(ResultPartPtr());
-  else if (theId == "DELETE_CMD")
-    deleteObjects(aObjects);
+  if (theId == "DELETE_CMD")
+    deleteObjects();
+  else if (theId == "COLOR_CMD")
+    changeColor(aObjects);
   else if (theId == "SHOW_CMD")
     showObjects(aObjects, true);
   else if (theId == "HIDE_CMD")
@@ -1177,154 +1237,291 @@ void XGUI_Workshop::onContextMenuCommand(const QString& theId, bool isChecked)
     setDisplayMode(aObjects, XGUI_Displayer::Shading);
   else if (theId == "WIREFRAME_CMD")
     setDisplayMode(aObjects, XGUI_Displayer::Wireframe);
-  else if (theId == "HIDEALL_CMD")
-    myDisplayer->eraseAll();
-  else if (theId == "EDIT_CMD") {
-    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObjects.first());
-    if (aFeature)
-      myModule->editFeature(aFeature);
+  else if (theId == "HIDEALL_CMD") {
+    QObjectPtrList aList = myDisplayer->displayedObjects();
+    foreach (ObjectPtr aObj, aList)
+      aObj->setDisplayed(false);
+    Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
   }
 }
 
 //**************************************************************
-void XGUI_Workshop::onWidgetValuesChanged()
+void XGUI_Workshop::deleteObjects()
 {
-  ModuleBase_Operation* anOperation = myOperationMgr->currentOperation();
-  FeaturePtr aFeature = anOperation->feature();
+  ModuleBase_IModule* aModule = module();
+  // 1. allow the module to delete objects, do nothing if it has succeed
+  if (aModule->deleteObjects()) {
+    updateCommandStatus();
+    return;
+  }
+
+  if (!isActiveOperationAborted())
+    return;
+  QObjectPtrList anObjects = mySelector->selection()->selectedObjects();
+  bool hasResult = false;
+  bool hasFeature = false;
+  bool hasParameter = false;
+  ModuleBase_Tools::checkObjects(anObjects, hasResult, hasFeature, hasParameter);
+  if (!(hasFeature || hasParameter))
+    return;
 
-  ModuleBase_ModelWidget* aSenderWidget = dynamic_cast<ModuleBase_ModelWidget*>(sender());
-  //if (aCustom)
-  //  aCustom->storeValue(aFeature);
+  // 1. start operation
+  QString aDescription = contextMenuMgr()->action("DELETE_CMD")->text();
+  aDescription += tr(" %1");
+  QStringList aObjectNames;
+  foreach (ObjectPtr aObj, anObjects) {
+    if (!aObj->data()->isValid())
+      continue;
+    aObjectNames << QString::fromStdString(aObj->data()->name());
+  }
+  aDescription = aDescription.arg(aObjectNames.join(", "));
 
-  const QList<ModuleBase_ModelWidget*>& aWidgets = myPropertyPanel->modelWidgets();
-  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)) {
-      //aCustom->storeValue(aFeature);
-      aCustom->storeValue();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->startOperation(aDescription.toStdString());
+  // 2. close the documents of the removed parts if the result part is in a list of selected objects
+  foreach (ObjectPtr aObj, anObjects)
+  {
+    ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+    if (aPart) {
+      DocumentPtr aDoc = aObj->document();
+      if (aDoc == aMgr->activeDocument()) {
+        aDoc->close();
+      }
     }
   }
+  // 3. delete objects
+  QMainWindow* aDesktop = isSalomeMode() ? salomeConnector()->desktop() : myMainWindow;
+  std::set<FeaturePtr> anIgnoredFeatures;
+  if (deleteFeatures(anObjects, anIgnoredFeatures, aDesktop, true)) {
+    myDisplayer->updateViewer();
+    aMgr->finishOperation();
+    updateCommandStatus();
+  }
+  else {
+    aMgr->abortOperation();
+  }
 }
 
 //**************************************************************
-void XGUI_Workshop::activatePart(ResultPartPtr theFeature)
+bool XGUI_Workshop::deleteFeatures(const QObjectPtrList& theList,
+                                   std::set<FeaturePtr> theIgnoredFeatures,
+                                   QWidget* theParent,
+                                   const bool theAskAboutDeleteReferences)
 {
-  if (!myPartActivating) {
-    myPartActivating = true;
-    if (theFeature)
-      theFeature->activate();
-    changeCurrentDocument(theFeature);
-    myObjectBrowser->activatePart(theFeature);
-    myPartActivating = false;
+  // 1. find all referenced features
+  std::set<FeaturePtr> aRefFeatures;
+  foreach (ObjectPtr aObj, theList) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature.get() != NULL) {
+      aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
+    }
+  }
+  // 2. warn about the references remove, break the delete operation if the user chose it
+  if (theAskAboutDeleteReferences && !aRefFeatures.empty()) {
+    QStringList aRefNames;
+    std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                         aLast = aRefFeatures.end();
+    for (; anIt != aLast; anIt++) {
+      aRefNames.append((*anIt)->name().c_str());
+    }
+    QString aNames = aRefNames.join(", ");
+
+    QMessageBox::StandardButton aRes = QMessageBox::warning(
+        theParent, tr("Delete features"),
+        QString(tr("Selected features are used in the following features: %1.\
+These features will be deleted also. Would you like to continue?")).arg(aNames),
+        QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+    if (aRes != QMessageBox::Yes)
+      return false;
   }
+
+  // 3. remove referenced features
+  std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                       aLast = aRefFeatures.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = (*anIt);
+    DocumentPtr aDoc = aFeature->document();
+    if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end())
+      aDoc->removeFeature(aFeature);
+  }
+
+  // 4. remove the parameter features
+  foreach (ObjectPtr aObj, theList) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature) {
+      DocumentPtr aDoc = aObj->document();
+      if (theIgnoredFeatures.find(aFeature) == theIgnoredFeatures.end())
+        aDoc->removeFeature(aFeature);
+    }
+  }
+  return true;
+}
+
+bool hasResults(QObjectPtrList theObjects, const std::set<std::string>& theTypes)
+{
+  bool isFoundResultType = false;
+  foreach(ObjectPtr anObj, theObjects)
+  {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() == NULL)
+      continue;
+
+    isFoundResultType = theTypes.find(aResult->groupName()) != theTypes.end();
+    if (isFoundResultType)
+      break;
+  }
+  return isFoundResultType;
 }
 
 //**************************************************************
-void XGUI_Workshop::activateLastPart()
+bool XGUI_Workshop::canChangeColor() const
 {
-  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 = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aLastPart);
-  if (aPart) {
-    activatePart(aPart);
+  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 setColor(ResultPtr theResult, std::vector<int>& theColor)
+{
+  if (!theResult.get())
+    return;
+
+  AttributeIntArrayPtr aColorAttr = theResult->data()->intArray(ModelAPI_Result::COLOR_ID());
+  if (aColorAttr.get() != NULL) {
+    if (!aColorAttr->size()) {
+      aColorAttr->setSize(3);
+    }
+    aColorAttr->setValue(0, theColor[0]);
+    aColorAttr->setValue(1, theColor[1]);
+    aColorAttr->setValue(2, theColor[2]);
   }
 }
 
 //**************************************************************
-void XGUI_Workshop::deleteObjects(const QObjectPtrList& theList)
+void XGUI_Workshop::changeColor(const QObjectPtrList& theObjects)
 {
-  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) {
-    SessionPtr aMgr = ModelAPI_Session::get();
-    aMgr->startOperation();
-    foreach (ObjectPtr aObj, theList)
-    {
-      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
-      if (aPart) {
-        DocumentPtr aDoc = aPart->document();
-        if (aDoc == aMgr->activeDocument()) {
-          aDoc->close();
+  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 
+  std::vector<int> aColor;
+  foreach(ObjectPtr anObject, theObjects) {
+    if (anObject->groupName() == ModelAPI_ResultPart::group()) {
+      ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(anObject);
+      DocumentPtr aPartDoc = aPart->partDoc();
+      // the document should be checked on null, because in opened document if the part
+      // has not been activated yet, the part document is empty
+      if (!aPartDoc.get()) {
+        emit errorOccurred(QString::fromLatin1("Color can not be changed on a part with an empty document"));
+      }
+      else {
+        if (aPartDoc->size(ModelAPI_ResultBody::group()) > 0) {
+          ObjectPtr aObject = aPartDoc->object(ModelAPI_ResultBody::group(), 0);
+          ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
+          if (aBody.get()) {
+            std::string aSection, aName, aDefault;
+            aBody->colorConfigInfo(aSection, aName, aDefault);
+            if (!aSection.empty() && !aName.empty()) {
+              aColor = Config_PropManager::color(aSection, aName, aDefault);
+            }
+          }
         }
-        //aMgr->moduleDocument()->removeFeature(aPart->owner());
-      } else {
-        FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
-        if (aFeature)
-          aObj->document()->removeFeature(aFeature);
       }
     }
-    myDisplayer->updateViewer();
-    aMgr->finishOperation();
+    else {
+      AISObjectPtr anAISObj = myDisplayer->getAISObject(anObject);
+      if (anAISObj.get()) {
+        aColor.resize(3);
+        anAISObj->getColor(aColor[0], aColor[1], aColor[2]);
+      }
+    }
+    if (!aColor.empty())
+      break;
+  }
+  if (aColor.size() != 3)
+    return;
+
+  // 2. show the dialog to change the value
+  XGUI_ColorDialog* aDlg = new XGUI_ColorDialog(mainWindow());
+  aDlg->setColor(aColor);
+  aDlg->move(QCursor::pos());
+  bool isDone = aDlg->exec() == QDialog::Accepted;
+  if (!isDone)
+    return;
+
+  bool isRandomColor = aDlg->isRandomColor();
+
+  // 3. abort the previous operation and start a new one
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool aWasOperation = aMgr->isOperation(); // keep this value
+  if (!aWasOperation) {
+    QString aDescription = contextMenuMgr()->action("COLOR_CMD")->text();
+    aMgr->startOperation(aDescription.toStdString());
+  }
+
+  // 4. set the value to all results
+  foreach(ObjectPtr anObj, theObjects) {
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObj);
+    if (aResult.get() != NULL) {
+      if (aResult->groupName() == ModelAPI_ResultPart::group()) {
+        ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aResult);
+        DocumentPtr aPartDoc = aPart->partDoc();
+        // the document should be checked on null, because in opened document if the part
+        // has not been activated yet, the part document is empty
+        if (aPartDoc.get()) {
+          for (int i = 0; i < aPartDoc->size(ModelAPI_ResultBody::group()); i++) {
+            ObjectPtr aObject = aPartDoc->object(ModelAPI_ResultBody::group(), i);
+            ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObject);
+            std::vector<int> aColorResult = aDlg->getColor();
+            setColor(aBody, aColorResult);
+          }
+        }
+      }
+      else {
+        std::vector<int> aColorResult = aDlg->getColor();
+        setColor(aResult, aColorResult);
+      }
+    }
   }
+  if (!aWasOperation)
+    aMgr->finishOperation();
+  updateCommandStatus();
 }
 
 //**************************************************************
 void XGUI_Workshop::showObjects(const QObjectPtrList& theList, bool isVisible)
 {
-  foreach (ObjectPtr aObj, theList)
-  {
+  foreach (ObjectPtr aObj, theList) {
     if (isVisible) {
-      myDisplayer->display(aObj, false);
+      aObj->setDisplayed(true);
+      //displayObject(aObj);
     } else {
-      myDisplayer->erase(aObj, false);
+      aObj->setDisplayed(false);
+      //myDisplayer->erase(aObj, false);
     }
   }
-  myDisplayer->updateViewer();
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+  //myDisplayer->updateViewer();
 }
 
 //**************************************************************
 void XGUI_Workshop::showOnlyObjects(const QObjectPtrList& theList)
 {
-  myDisplayer->showOnly(theList);
-}
-
-
-//**************************************************************
-void XGUI_Workshop::updateCommandsOnViewSelection()
-{
-  XGUI_Selection* aSelection = mySelector->selection();
-  if (aSelection->getSelected().size() == 0)
-    return;
+  QObjectPtrList aList = myDisplayer->displayedObjects();
+  foreach (ObjectPtr aObj, aList)
+    aObj->setDisplayed(false);
+  foreach (ObjectPtr aObj, theList)
+    aObj->setDisplayed(true);
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 
-  // 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;
-    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++) {
-      if (*aValidator) {
-        const ModuleBase_SelectionValidator* aSelValidator =
-            dynamic_cast<const ModuleBase_SelectionValidator*>(*aValidator);
-        if (aSelValidator) {
-          aAction->setEnabled(aSelValidator->isValid(aSelection));
-        }
-      }
-    }
-  }
 }
 
+
 //**************************************************************
 void XGUI_Workshop::registerValidators() const
 {
@@ -1358,8 +1555,10 @@ void XGUI_Workshop::displayDocumentResults(DocumentPtr theDoc)
 //**************************************************************
 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);
+  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));
 }
 
 //**************************************************************
@@ -1375,11 +1574,74 @@ void XGUI_Workshop::setDisplayMode(const QObjectPtrList& theList, int theMode)
 //**************************************************************
 void XGUI_Workshop::closeDocument()
 {
+  ModuleBase_Operation* anOperation = operationMgr()->currentOperation();
+  while (anOperation) {
+    anOperation->abort();
+    anOperation = operationMgr()->currentOperation();
+  }
   myDisplayer->closeLocalContexts();
   myDisplayer->eraseAll();
   objectBrowser()->clearContent();
 
   SessionPtr aMgr = ModelAPI_Session::get();
   aMgr->closeAll();
-  objectBrowser()->clearContent();
+}
+
+//**************************************************************
+bool XGUI_Workshop::displayObject(ObjectPtr theObj)
+{
+  if (!myModule->canDisplayObject(theObj))
+    return false;
+
+  ResultBodyPtr aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(theObj);
+  if (aBody.get() != NULL) {
+    int aNb = myDisplayer->objectsCount();
+    myDisplayer->display(theObj, false);
+    if (aNb == 0)
+      viewer()->fitAll();
+  } else if (!(myIsLoadingData || myPartActivating))
+    myDisplayer->display(theObj, false);
+
+  return true;
+}
+
+void XGUI_Workshop::addHistoryMenu(QObject* theObject, const char* theSignal, const char* theSlot)
+{
+  XGUI_HistoryMenu* aMenu = NULL;
+  if (isSalomeMode()) {
+    QAction* anAction = qobject_cast<QAction*>(theObject);
+    if (!anAction)
+      return;
+    aMenu = new XGUI_HistoryMenu(anAction);
+  } else {
+    QToolButton* aButton =  qobject_cast<QToolButton*>(theObject);
+    aMenu = new XGUI_HistoryMenu(aButton);
+  }
+  connect(this, theSignal, aMenu, SLOT(setHistory(const QList<ActionInfo>&)));
+  connect(aMenu, SIGNAL(actionSelected(int)), this, theSlot);
+}
+
+QList<ActionInfo> XGUI_Workshop::processHistoryList(const std::list<std::string>& theList) const
+{
+  QList<ActionInfo> aResult;
+  std::list<std::string>::const_iterator it = theList.cbegin();
+  for (; it != theList.cend(); it++) {
+    QString anId = QString::fromStdString(*it);
+    bool isEditing = anId.endsWith(ModuleBase_Operation::EditSuffix());
+    if (isEditing) {
+      anId.chop(ModuleBase_Operation::EditSuffix().size());
+    }
+    ActionInfo anInfo;
+    QAction* aContextMenuAct = myContextMenuMgr->actionByName(anId);
+    if (aContextMenuAct) {
+      anInfo.initFrom(aContextMenuAct);
+    } else {
+      anInfo = myActionsMgr->actionInfoById(anId);
+    }
+    if (isEditing) {
+      anInfo.text = anInfo.text.prepend("Modify ");
+    }
+    aResult << anInfo;
+  }
+  return aResult;
 }