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Merge branch 'mbs/32757' of https://codev-tuleap.cea.fr/plugins/git/salome/shaper...
[modules/shaper.git] / src / PartSet / PartSet_SketcherMgr.cpp
old mode 100755 (executable)
new mode 100644 (file)
index c6a7a18..6e5a2d3
@@ -1,24 +1,41 @@
-// Copyright (C) 2014-20xx CEA/DEN, EDF R&D
-
-// File:        PartSet_SketcherMgr.cpp
-// Created:     19 Dec 2014
-// Author:      Vitaly SMETANNIKOV
+// Copyright (C) 2014-2022  CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
 
 #include "PartSet_SketcherMgr.h"
-#include "PartSet_SketcherReetntrantMgr.h"
+
+#include "PartSet_Filters.h"
+#include "PartSet_SketcherReentrantMgr.h"
 #include "PartSet_Module.h"
-#include "PartSet_WidgetPoint2d.h"
-#include "PartSet_WidgetPoint2dDistance.h"
+#include "PartSet_MouseProcessor.h"
 #include "PartSet_Tools.h"
 #include "PartSet_WidgetSketchLabel.h"
 #include "PartSet_WidgetEditor.h"
 #include "PartSet_ResultSketchPrs.h"
+#include "PartSet_ExternalPointsMgr.h"
+#include "PartSet_PreviewSketchPlane.h"
 
 #include <XGUI_ModuleConnector.h>
 #include <XGUI_Displayer.h>
 #include <XGUI_Workshop.h>
 #include <XGUI_ContextMenuMgr.h>
 #include <XGUI_Selection.h>
+#include <XGUI_SelectionActivate.h>
 #include <XGUI_SelectionMgr.h>
 #include <XGUI_ModuleConnector.h>
 #include <XGUI_PropertyPanel.h>
 #include <ModuleBase_ViewerPrs.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_ResultPrs.h>
+#include <ModuleBase_ViewerFilters.h>
 
 #include <GeomDataAPI_Point2D.h>
+#include <GeomDataAPI_Point2DArray.h>
+
+#include <GeomAPI_Shape.h>
 
 #include <Events_Loop.h>
 
@@ -50,6 +71,8 @@
 #include <SketchPlugin_Point.h>
 #include <SketchPlugin_Arc.h>
 #include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Ellipse.h>
+#include <SketchPlugin_EllipticArc.h>
 #include <SketchPlugin_ConstraintLength.h>
 #include <SketchPlugin_ConstraintDistance.h>
 #include <SketchPlugin_ConstraintParallel.h>
@@ -61,7 +84,7 @@
 #include <SketchPlugin_ConstraintEqual.h>
 #include <SketchPlugin_ConstraintTangent.h>
 #include <SketchPlugin_ConstraintCoincidence.h>
-#include <SketchPlugin_ConstraintFillet.h>
+#include <SketchPlugin_Fillet.h>
 #include <SketchPlugin_ConstraintMirror.h>
 #include <SketchPlugin_ConstraintAngle.h>
 #include <SketchPlugin_ConstraintCollinear.h>
 #include <SketchPlugin_MultiRotation.h>
 #include <SketchPlugin_MultiTranslation.h>
 #include <SketchPlugin_IntersectionPoint.h>
+#include <SketchPlugin_Projection.h>
+#include <SketchPlugin_ConstraintDistanceAlongDir.h>
+#include <SketchPlugin_ConstraintDistanceHorizontal.h>
+#include <SketchPlugin_ConstraintDistanceVertical.h>
 
 #include <SketcherPrs_Tools.h>
 
 #include <SelectMgr_IndexedMapOfOwner.hxx>
 #include <StdSelect_BRepOwner.hxx>
 
-//#include <AIS_DimensionSelectionMode.hxx>
 #include <AIS_Shape.hxx>
-#include <AIS_Dimension.hxx>
+#include <PrsDim_Dimension.hxx>
 
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Session.h>
 #include <QMessageBox>
 #include <QMainWindow>
 
+#include <set>
+
 //#define DEBUG_DO_NOT_BY_ENTER
 //#define DEBUG_SKETCHER_ENTITIES
-
+//#define DEBUG_SKETCH_ENTITIES_ON_MOVE
+//#define DRAGGING_DEBUG
 //#define DEBUG_CURSOR
 
-/// Returns list of unique objects by sum of objects from List1 and List2
-/*QList<ModuleBase_ViewerPrsPtr> getSumList(const QList<ModuleBase_ViewerPrsPtr>& theList1,
-                                       const QList<ModuleBase_ViewerPrsPtr>& theList2)
-{
-  QList<ModuleBase_ViewerPrsPtr> aRes;
-  foreach (ModuleBase_ViewerPrsPtr aPrs, theList1) {
-    if (!aRes.contains(aPrs))
-      aRes.append(aPrs);
-  }
-  foreach (ModuleBase_ViewerPrsPtr aPrs, theList2) {
-    if (!aRes.contains(aPrs))
-      aRes.append(aPrs);
-  }
-  return aRes;
-}*/
 
-// Fills the list of features the list of selected presentations.
-// \param theList a list of selected presentations
-// \param theSketch a sketch to project a vertex shape of a presentation to the plane
-// and find the corresponded attribute
-// \param theFeatureList  an output list of features
-void fillFeatureList(const QList<ModuleBase_ViewerPrsPtr>& theList,
-                     const FeaturePtr theSketch,
-                     QList<FeaturePtr>& theFeatureList)
-{
-  QList<ModuleBase_ViewerPrsPtr> aRes;
-
-  QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = theList.begin(),
-                                              aLast = theList.end();
-  for (; anIt != aLast; anIt++)
-  {
-    ModuleBase_ViewerPrsPtr aPrs = *anIt;
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs->object());
-    if (aFeature.get()  && !theFeatureList.contains(aFeature))
-      theFeatureList.append(aFeature);
-  }
-}
+#ifdef DRAGGING_DEBUG
+#include <QTime>
+#endif
 
 /// Fills attribute and result lists by the selected owner. In case if the attribute is found,
-/// by the owner shape, it is put to the list. Otherwise if type of owner shape is edge, put the function
-/// result as is to the list of results.
+/// by the owner shape, it is put to the list. Otherwise if type of owner shape is edge,
+/// put the function result as is to the list of results.
 /// \param theOwner a viewer selected owner
 /// \param theFeature a feature, where the attribute is searched
 /// \param theSketch a current sketch
@@ -146,8 +142,9 @@ void fillFeatureList(const QList<ModuleBase_ViewerPrsPtr>& theList,
 void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
                             const FeaturePtr& theFeature, const FeaturePtr& theSketch,
                             const ResultPtr& theResult,
-                            std::set<AttributePtr>& aSelectedAttributes,
-                            std::set<ResultPtr>& aSelectedResults)
+                            std::map<AttributePtr, int>& theSelectedAttributes,
+                            std::set<ResultPtr>& theSelectedResults,
+                            TopTools_MapOfShape& theShapes)
 {
   Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
   if (aBRepOwner.IsNull())
@@ -156,25 +153,33 @@ void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
                                                                     aBRepOwner->Selectable());
   if (aBRepOwner->HasShape()) {
     const TopoDS_Shape& aShape = aBRepOwner->Shape();
+    theShapes.Add(aShape);
     TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
     if (aShapeType == TopAbs_VERTEX) {
-      AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
-                                                                    aShape, theSketch);
-      if (aPntAttr.get() != NULL)
-        aSelectedAttributes.insert(aPntAttr);
+      std::pair<AttributePtr, int> aPntAttrIndex =
+          PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
+      if (aPntAttrIndex.first.get() != NULL)
+        theSelectedAttributes[aPntAttrIndex.first] = aPntAttrIndex.second;
     }
     else if (aShapeType == TopAbs_EDGE &&
-             aSelectedResults.find(theResult) == aSelectedResults.end()) {
-      aSelectedResults.insert(theResult);
+             theSelectedResults.find(theResult) == theSelectedResults.end()) {
+      theSelectedResults.insert(theResult);
     }
   }
 }
 
 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
-  : QObject(theModule), myModule(theModule), myIsDragging(false), myDragDone(false),
+  : QObject(theModule),
+    myModule(theModule),
+    myIsEditLaunching(false),
+    myIsDragging(false),
+    myDragDone(false),
     myIsMouseOverWindow(false),
-    myIsMouseOverViewProcessed(true), myPreviousUpdateViewerEnabled(true),
-    myIsPopupMenuActive(false)
+    myIsMouseOverViewProcessed(true),
+    myIsPopupMenuActive(false),
+    myPreviousUpdateViewerEnabled(true),
+    myExternalPointsMgr(0),
+    myNoDragMoving(false)
 {
   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
   ModuleBase_IViewer* aViewer = anIWorkshop->viewer();
@@ -200,12 +205,18 @@ PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
+
+  mySketchPlane = new PartSet_PreviewSketchPlane();
+
+  registerSelectionFilter(SF_SketchCirclePointFilter, new PartSet_CirclePointFilter(anIWorkshop));
+  registerSelectionFilter(SF_SketchPlaneFilter, new ModuleBase_ShapeInPlaneFilter());
+
+  Events_Loop::loop()->registerListener(this, Events_Loop::eventByName(EVENT_DOF_OBJECTS));
 }
 
 PartSet_SketcherMgr::~PartSet_SketcherMgr()
 {
-  if (!myPlaneFilter.IsNull())
-    myPlaneFilter.Nullify();
+  delete mySketchPlane;
 }
 
 void PartSet_SketcherMgr::onEnterViewPort()
@@ -220,17 +231,19 @@ void PartSet_SketcherMgr::onEnterViewPort()
   return;
   #endif
 
-  if (canChangeCursor(getCurrentOperation())) {
-    QCursor* aCurrentCursor = QApplication::overrideCursor();
-    if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
-      QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
-#ifdef DEBUG_CURSOR
-      qDebug("onEnterViewPort() : Qt::CrossCursor");
-#endif
+  // It is switched off because of
+  // Task #3067: 5.2.2 Drawing in the sketcher: change the mouse cursor arrow
+    if (canChangeCursor(getCurrentOperation())) {
+      QCursor* aCurrentCursor = QApplication::overrideCursor();
+      if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
+        QApplication::setOverrideCursor(PartSet_Tools::getOperationCursor());
+  //#ifdef DEBUG_CURSOR
+  //      qDebug("onEnterViewPort() : Qt::CrossCursor");
+  //#endif
+      }
     }
-  }
 
-  if (!isNestedCreateOperation(getCurrentOperation()))
+  if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
     return;
 
   operationMgr()->onValidateOperation();
@@ -262,12 +275,12 @@ void PartSet_SketcherMgr::onLeaveViewPort()
 
   if (canChangeCursor(getCurrentOperation())) {
     QApplication::restoreOverrideCursor();
-#ifdef DEBUG_CURSOR
-    qDebug("onLeaveViewPort() : None");
-#endif
+//#ifdef DEBUG_CURSOR
+//    qDebug("onLeaveViewPort() : None");
+//#endif
   }
 
-  if (!isNestedCreateOperation(getCurrentOperation()))
+  if (!isNestedCreateOperation(getCurrentOperation(), activeSketch()))
     return;
 
   // the method should be performed if the popup menu is called,
@@ -304,13 +317,15 @@ void PartSet_SketcherMgr::onLeaveViewPort()
   aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 }
 
+/*
+//Temporary commented as we do not modify values in property panel
 void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 {
-  if (!isNestedEditOperation(getCurrentOperation()) ||
+  if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
       myModule->sketchReentranceMgr()->isInternalEditActive())
     return;
   // it is necessary to save current selection in order to restore it after the values are modifed
-  storeSelection();
+  storeSelection(ST_SelectAndHighlightType);
 
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
@@ -320,16 +335,16 @@ void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 
 void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
 {
-  if (!isNestedEditOperation(getCurrentOperation()) ||
+  if (!isNestedEditOperation(getCurrentOperation(), myModule->sketchMgr()->activeSketch()) ||
       myModule->sketchReentranceMgr()->isInternalEditActive()) {
     myModule->sketchReentranceMgr()->updateInternalEditActiveState();
     return;
   }
-  // it is necessary to restore current selection in order to restore it after the values are modified
+  // it is necessary to restore current selection in order to restore it after values are modified
   restoreSelection();
   myCurrentSelection.clear();
 
-  // 3. the flag to disable the update viewer should be set in order to avoid blinking in the 
+  // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
   // viewer happens by deselect/select the modified objects. The flag should be restored after
   // the selection processing. The update viewer should be also called.
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
@@ -337,34 +352,63 @@ void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
   aDisplayer->enableUpdateViewer(myPreviousUpdateViewerEnabled);
   aDisplayer->updateViewer();
-
-
 }
+*/
+
+bool PartSet_SketcherMgr::isDragModeCreation() const
+{
+  ModuleBase_Operation* aOp = getCurrentOperation();
+  if (!aOp)
+    return false;
+  bool aUserPref = Config_PropManager::boolean(SKETCH_TAB_NAME, "create_by_dragging");
+  if (!aUserPref)
+    return false;
+  QString aId = aOp->id();
+  // Acceptable features;
+  QStringList aList;
+  aList << "SketchLine" << "SketchMacroCircle" << "SketchMacroArc" <<
+    "SketchMacroEllipse" << "SketchMacroEllipticArc" << "SketchMacroRectangle";
+  return aList.contains(aId);
+}
+
+static bool MyModeByDrag = false;
+static bool MyMultiselectionState = true;
 
 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
+  MyModeByDrag = isDragModeCreation();
+
+  // Clear dragging mode
+  myIsDragging = false;
+
+  myMousePoint.setX(theEvent->x());
+  myMousePoint.setY(theEvent->y());
+
   if (myModule->sketchReentranceMgr()->processMousePressed(theWnd, theEvent))
     return;
-
   //get2dPoint(theWnd, theEvent, myClickedPoint);
-
   if (!(theEvent->buttons() & Qt::LeftButton))
     return;
 
-  // Clear dragging mode
-  myIsDragging = false;
-
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
-  if (!aViewer->canDragByMouse())
-    return;
+  //if (!aViewer->canDragByMouse())
+  //  return;
 
   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                (getCurrentOperation());
   if (!aFOperation)
     return;
 
-  if (aFOperation->isEditOperation()) {
+  bool isEditing = aFOperation->isEditOperation();
+  bool aCanDrag = aViewer->canDragByMouse();
+
+  //if (!aViewer->canDragByMouse() && isEditing) {
+  //  // Do not edit by dragging
+  //  return;
+  //}
+
+  if (isEditing) {
     // If the current widget is a selector, do nothing, it processes the mouse press
     ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
     if(anActiveWidget && anActiveWidget->isViewerSelector()) {
@@ -384,18 +428,27 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
     if ((!isSketchOpe) && (!isSketcher))
       return;
 
-    bool isEditing = aFOperation->isEditOperation();
-
     // Ignore creation sketch operation
-    if ((!isSketcher) && (!isEditing))
+    if ((!isSketcher) && (!isEditing)) {
+      if (MyModeByDrag) {
+        ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
+        PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
+        if (aProcessor) {
+          MyMultiselectionState = aViewer->isMultiSelectionEnabled();
+          aViewer->enableMultiselection(false);
+          myIsDragging = true;
+          ModuleBase_ISelection* aSelection = aWorkshop->selection();
+          QList<ModuleBase_ViewerPrsPtr> aPreSelected = aSelection->getHighlighted();
+          if (!aPreSelected.empty())
+            aProcessor->setPreSelection(aPreSelected.first(), theWnd, theEvent);
+          else
+            aProcessor->mouseReleased(theWnd, theEvent);
+        }
+      }
       return;
-
-    Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
-    // Remember highlighted objects for editing
-    ModuleBase_ISelection* aSelect = aWorkshop->selection();
-
+    }
     bool aHasShift = (theEvent->modifiers() & Qt::ShiftModifier);
-    storeSelection(!aHasShift);
+    storeSelection(aHasShift ? ST_SelectAndHighlightType : ST_HighlightType, myCurrentSelection);
 
     if (myCurrentSelection.empty()) {
       if (isSketchOpe && (!isSketcher))
@@ -406,133 +459,234 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
     }
     // Init flyout point for radius rotation
     FeaturePtr aFeature = myCurrentSelection.begin().key();
-
+    get2dPoint(theWnd, theEvent, myCurrentPoint);
     if (isSketcher) {
-      myIsDragging = true;
-      get2dPoint(theWnd, theEvent, myCurrentPoint);
-      myDragDone = false;
-
+      if (aCanDrag) {
+        myIsDragging = true;
+        myDragDone = false;
+      }
       myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
       launchEditing();
+    } else if (isSketchOpe && isEditing) {
+      // If selected another object commit current result
+      bool aPrevLaunchingState = myIsEditLaunching;
+      /// store editing state for Edit operation in order to do not clear highlight by restart
+      /// of edit operation.
+      /// Internal edit should not be stored as editing operation as the result will be a
+      /// creation operation, where previous selection should not be used(and will be cleared)
+      myIsEditLaunching = !myModule->sketchReentranceMgr()->isInternalEditActive();
+
+      std::shared_ptr<SketchPlugin_Feature> aSPFeature =
+        std::dynamic_pointer_cast<SketchPlugin_Feature>(aFOperation->feature());
+      bool isRelaunchEditing = true;
+      if (aSPFeature->isExternal()) {
+        foreach(FeaturePtr aF, myCurrentSelection.keys()) {
+          FeaturePtr aProducerFeature = PartSet_Tools::findRefsToMeFeature(aF,
+            aSPFeature->getKind());
+          if (aProducerFeature == aSPFeature) {
+            isRelaunchEditing = false;
+            break;
+          }
+        }
+      }
+      else {
+        if (myCurrentSelection.size() > 1)
+          isRelaunchEditing = !myCurrentSelection.contains(aSPFeature);
+      }
+      if (isRelaunchEditing)
+        aFOperation->commit();
+
+      if (aCanDrag) {
+        myIsDragging = true;
+        myDragDone = false;
+      }
+      myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
+      if (isRelaunchEditing)
+        launchEditing();
+      else {
+        if (myCurrentSelection.size() > 1)
+          aFOperation->propertyPanel()->cleanContent();
+      }
+      myIsEditLaunching = aPrevLaunchingState;
       if (aFeature.get() != NULL) {
-        std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
+        std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
                   std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-      if (aSPFeature.get() && aSPFeature->getKind() == SketchPlugin_ConstraintRadius::ID()) {
-          DataPtr aData = aSPFeature->data();
+        if (aSketchFeature.get() &&
+           (aSketchFeature->getKind() == SketchPlugin_ConstraintRadius::ID() ||
+            aSketchFeature->getKind() == SketchPlugin_ConstraintAngle::ID())) {
+          DataPtr aData = aSketchFeature->data();
           AttributePtr aAttr = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
-          std::shared_ptr<GeomDataAPI_Point2D> aFPAttr = 
+          std::shared_ptr<GeomDataAPI_Point2D> aFPAttr =
             std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aAttr);
           aFPAttr->setValue(myCurrentPoint.myCurX, myCurrentPoint.myCurY);
         }
       }
-    } else if (isSketchOpe && isEditing) {
-      // If selected another object commit current result
-      aFOperation->commit();
-
-      myIsDragging = true;
-      get2dPoint(theWnd, theEvent, myCurrentPoint);
-      myDragDone = false;
-
-      myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
-
-      launchEditing();
-      restoreSelection();
     }
   }
 }
 
 void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
-  if (myModule->sketchReentranceMgr()->processMouseReleased(theWnd, theEvent))
-    return;
-
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   ModuleBase_IViewer* aViewer = aWorkshop->viewer();
-  if (!aViewer->canDragByMouse())
+  if (myIsDragging)
+    aViewer->enableDrawMode(myPreviousDrawModeEnabled);
+
+  bool aWasDragging = myIsDragging;
+  myIsDragging = false;
+
+  if (myModule->sketchReentranceMgr()->processMouseReleased(theWnd, theEvent)) {
     return;
-  ModuleBase_Operation* aOp = getCurrentOperation();
+  }
+  // if mouse is pressed when it was over view and at release the mouse is out of view, do nothing
+  if (!myIsMouseOverViewProcessed) {
+    return;
+  }
+
+  ModuleBase_OperationFeature* aOp =
+    dynamic_cast<ModuleBase_OperationFeature*>(getCurrentOperation());
+  bool isEditing = false;
   if (aOp) {
-    if (isNestedSketchOperation(aOp)) {
-      //get2dPoint(theWnd, theEvent, myClickedPoint);
-
-      // Only for sketcher operations
-      if (myIsDragging) {
-        if (myDragDone) {
-          //aOp->commit();
-          myCurrentSelection.clear();
-          /*Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
-          if (!aContext.IsNull()) {
-          // Reselect edited object
-          aContext->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
-          if (theEvent->modifiers() & Qt::ShiftModifier)
-            aContext->ShiftSelect();
-          else
-            aContext->Select();
-          */
+    isEditing = aOp->isEditOperation();
+    bool aStartNoDragOperation = !aViewer->canDragByMouse() && isEditing;
+    if (aStartNoDragOperation || myNoDragMoving) {
+      // Process edit operation without dragging
+      if (myCurrentSelection.size() > 0)
+        myNoDragMoving = !myNoDragMoving;
+      else
+        myNoDragMoving = false;
+      if (myNoDragMoving)
+        return;
+      else {
+        restoreSelection(myCurrentSelection);
+        myCurrentSelection.clear();
+      }
+    }
+    else {
+      if (isNestedSketchOperation(aOp)) {
+        // Only for sketcher operations
+        if (aWasDragging) {
+          if (myDragDone) {
+            /// the previous selection is lost by mouse release in the viewer(Select method), but
+            /// it is still stored in myCurrentSelection. So, it is possible to restore selection
+            /// It is important for drag(edit with mouse) of sketch entities.
+            restoreSelection(myCurrentSelection);
+            myCurrentSelection.clear();
+          }
         }
       }
     }
   }
 
-  aWorkshop->viewer()->enableDrawMode(myPreviousDrawModeEnabled);
-  myIsDragging = false;
+  ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
+  PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
+  if (aProcessor) {
+    ModuleBase_ISelection* aSelection = aWorkshop->selection();
+    QList<ModuleBase_ViewerPrsPtr> aPreSelected = aSelection->getHighlighted();
+    if (MyModeByDrag && !aPreSelected.empty() && !isEditing)
+      aProcessor->setPreSelection(aPreSelected.first(), theWnd, theEvent);
+    else
+      aProcessor->mouseReleased(theWnd, theEvent);
+  }
+  if (MyModeByDrag && aOp) {
+    aViewer->enableMultiselection(true);
+    QString aOpId = aOp->id();
+    if (aOpId == "Sketch")
+      return;
+    QPoint aPnt(theEvent->x(), theEvent->y());
+    anActiveWidget = getActiveWidget();
+    if ((aPnt == myMousePoint) && anActiveWidget) {
+      aOp->abort();
+      return;
+    }
+    bool aCanRestart = !anActiveWidget && !isEditing;
+    if (aCanRestart) {
+      module()->launchOperation(aOpId, true);
+    }
+  }
 }
 
 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
+#ifdef DEBUG_SKETCH_ENTITIES_ON_MOVE
+  CompositeFeaturePtr aSketch = activeSketch();
+  if (aSketch.get()) {
+    std::cout << "mouse move SKETCH FEATURES [" << aSketch->numberOfSubs() << "]:" << std::endl;
+    QStringList anInfo;
+    for (int i = 0, aNbSubs = aSketch->numberOfSubs(); i < aNbSubs; i++) {
+      //std::cout << getFeatureInfo(aSketch->subFeature(i), false) << std::endl;
+      anInfo.append(ModuleBase_Tools::objectInfo(aSketch->subFeature(i)));
+    }
+    QString anInfoStr = anInfo.join("\n");
+    qDebug(QString("%1").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
+  }
+#endif
+
   if (myModule->sketchReentranceMgr()->processMouseMoved(theWnd, theEvent))
     return;
 
-  if (isNestedCreateOperation(getCurrentOperation()) && !myIsMouseOverViewProcessed) {
-    myIsMouseOverViewProcessed = true;
+  ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
+  XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
+
+  if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
+#ifdef DRAGGING_DEBUG
+    QTime t;
+    t.start();
+#endif
     // 1. perform the widget mouse move functionality and display the presentation
     // the mouse move should be processed in the widget, if it can in order to visualize correct
     // presentation. These widgets correct the feature attribute according to the mouse position
-    ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
-    PartSet_WidgetPoint2D* aPoint2DWdg = dynamic_cast<PartSet_WidgetPoint2D*>(anActiveWidget);
-    if (aPoint2DWdg) {
-      aPoint2DWdg->onMouseMove(theWnd, theEvent);
-    }
-    PartSet_WidgetPoint2dDistance* aDistanceWdg = dynamic_cast<PartSet_WidgetPoint2dDistance*>
-                                                                (anActiveWidget);
-    if (aDistanceWdg) {
-      aDistanceWdg->onMouseMove(theWnd, theEvent);
-    }
-    // the feature is to be erased here, but it is correct to call canDisplayObject because
-    // there can be additional check (e.g. editor widget in distance constraint)
-    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
-                                                                             (getCurrentOperation());
-    if (aFOperation) {
-      FeaturePtr aFeature = aFOperation->feature();
-      visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
+    ModuleBase_ModelWidget* anActiveWidget = myModule->activeWidget();
+    PartSet_MouseProcessor* aProcessor = dynamic_cast<PartSet_MouseProcessor*>(anActiveWidget);
+    if (aProcessor)
+      aProcessor->mouseMoved(theWnd, theEvent);
+    if (!myIsMouseOverViewProcessed) {
+      myIsMouseOverViewProcessed = true;
+
+      // the feature is to be erased here, but it is correct to call canDisplayObject because
+      // there can be additional check (e.g. editor widget in distance constraint)
+      ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+        (getCurrentOperation());
+      if (aFOperation) {
+        FeaturePtr aFeature = aFOperation->feature();
+        visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
+      }
     }
+    aDisplayer->updateViewer();
+#ifdef DRAGGING_DEBUG
+    cout << "Mouse move processing " << t.elapsed() << endl;
+#endif
   }
-
   //myClickedPoint.clear();
 
-  if (myIsDragging) {
-    // 1. the current selection is saved in the mouse press method in order to restore it after moving
+  if (myIsDragging || myNoDragMoving) {
+    // 1. the current selection is saved in the mouse press method in order to restore it after
+    //    moving
     // 2. the enable selection in the viewer should be temporary switched off in order to ignore
     // mouse press signal in the viewer(it call Select for AIS context and the dragged objects are
     // deselected). This flag should be restored in the slot, processed the mouse release signal.
-
     ModuleBase_Operation* aCurrentOperation = getCurrentOperation();
     if (!aCurrentOperation)
       return;
     if (isSketchOperation(aCurrentOperation))
       return; // No edit operation activated
 
+#ifdef DRAGGING_DEBUG
+    QTime t;
+    t.start();
+#endif
+
     Handle(V3d_View) aView = theWnd->v3dView();
-    gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
-    double aX, aY;
-    PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, aY);
-    double dX =  aX - myCurrentPoint.myCurX;
-    double dY =  aY - myCurrentPoint.myCurY;
-
-    ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
-    XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
-    XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
-    // 3. the flag to disable the update viewer should be set in order to avoid blinking in the 
+    Point aMousePnt;
+    get2dPoint(theWnd, theEvent, aMousePnt);
+
+    std::shared_ptr<GeomAPI_Pnt2d> anOriginalPosition = std::shared_ptr<GeomAPI_Pnt2d>(
+      new GeomAPI_Pnt2d(myCurrentPoint.myCurX, myCurrentPoint.myCurY));
+    std::shared_ptr<GeomAPI_Pnt2d> aCurrentPosition = std::shared_ptr<GeomAPI_Pnt2d>(
+      new GeomAPI_Pnt2d(aMousePnt.myCurX, aMousePnt.myCurY));
+
+    // 3. the flag to disable the update viewer should be set in order to avoid blinking in the
     // viewer happens by deselect/select the modified objects. The flag should be restored after
     // the selection processing. The update viewer should be also called.
     bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
@@ -540,43 +694,54 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
     static Events_ID aMoveEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
     //static Events_ID aUpdateEvent = Events_Loop::eventByName(EVENT_OBJECT_UPDATED);
     FeatureToSelectionMap::const_iterator anIt = myCurrentSelection.begin(),
-                                          aLast = myCurrentSelection.end();
+      aLast = myCurrentSelection.end();
     // 4. the features and attributes modification(move)
     bool isModified = false;
     for (; anIt != aLast; anIt++) {
       FeaturePtr aFeature = anIt.key();
 
-      std::set<AttributePtr> anAttributes = anIt.value().first;
+      std::map<AttributePtr, int> anAttributes = anIt.value().myAttributes;
       // Process selection by attribute: the priority to the attribute
       if (!anAttributes.empty()) {
-        std::set<AttributePtr>::const_iterator anAttIt = anAttributes.begin(),
-                                               anAttLast = anAttributes.end();
+        std::map<AttributePtr, int>::const_iterator anAttIt = anAttributes.begin(),
+          anAttLast = anAttributes.end();
         for (; anAttIt != anAttLast; anAttIt++) {
-          AttributePtr anAttr = *anAttIt;
+          AttributePtr anAttr = anAttIt->first;
           if (anAttr.get() == NULL)
             continue;
           std::string aAttrId = anAttr->id();
           DataPtr aData = aFeature->data();
           if (aData->isValid()) {
-            std::shared_ptr<GeomDataAPI_Point2D> aPoint = 
-              std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(aAttrId));
-            if (aPoint.get() != NULL) {
+            AttributePtr aPoint = aData->attribute(aAttrId);
+            if (aPoint->attributeType() == GeomDataAPI_Point2D::typeId() ||
+                aPoint->attributeType() == GeomDataAPI_Point2DArray::typeId()) {
               bool isImmutable = aPoint->setImmutable(true);
-              aPoint->move(dX, dY);
+
+              std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage = std::shared_ptr
+                <ModelAPI_ObjectMovedMessage>(new ModelAPI_ObjectMovedMessage(this));
+              aMessage->setMovedAttribute(aPoint, anAttIt->second);
+              aMessage->setOriginalPosition(anOriginalPosition);
+              aMessage->setCurrentPosition(aCurrentPosition);
+              Events_Loop::loop()->send(aMessage);
+
               isModified = true;
-              ModelAPI_EventCreator::get()->sendUpdated(aFeature, aMoveEvent);
               aPoint->setImmutable(isImmutable);
             }
           }
         }
-      } else {
+      }
+      else {
         // Process selection by feature
         std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
         if (aSketchFeature) {
-          aSketchFeature->move(dX, dY);
+          std::shared_ptr<ModelAPI_ObjectMovedMessage> aMessage = std::shared_ptr
+            <ModelAPI_ObjectMovedMessage>(new ModelAPI_ObjectMovedMessage(this));
+          aMessage->setMovedObject(aFeature);
+          aMessage->setOriginalPosition(anOriginalPosition);
+          aMessage->setCurrentPosition(aCurrentPosition);
+          Events_Loop::loop()->send(aMessage);
           isModified = true;
-          ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, aMoveEvent);
         }
       }
     }
@@ -584,18 +749,22 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
     // were changed here
     if (isModified) {
       aCurrentOperation->onValuesChanged();
+      Events_Loop::loop()->flush(aMoveEvent); // up all move events - to be processed in the solver
     }
-    Events_Loop::loop()->flush(aMoveEvent); // up all move events - to be processed in the solver
     //Events_Loop::loop()->flush(aUpdateEvent); // up update events - to redisplay presentations
 
     // 5. it is necessary to save current selection in order to restore it after the features moving
-    restoreSelection();
+    restoreSelection(myCurrentSelection);
     // 6. restore the update viewer flag and call this update
     aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
     aDisplayer->updateViewer();
 
+#ifdef DRAGGING_DEBUG
+    cout << "Mouse move processing " << t.elapsed() << endl;
+#endif
+
     myDragDone = true;
-    myCurrentPoint.setValue(aX, aY);
+    myCurrentPoint = aMousePnt;
   }
 }
 
@@ -612,8 +781,10 @@ void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMo
       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
       // Find corresponded widget to activate value editing
       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
-        if (aWgt->attributeID() == SketchPlugin_Constraint::VALUE() ||
-            aWgt->attributeID() == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()) {
+        std::string anId = aWgt->attributeID();
+        if (anId == SketchPlugin_Constraint::VALUE() ||
+          anId == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID() ||
+          anId == SketchPlugin_ConstraintDistanceAlongDir::DISTANCE_VALUE_ID()) {
           PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
           if (anEditor)
             anEditor->showPopupEditor();
@@ -629,7 +800,7 @@ void PartSet_SketcherMgr::onApplicationStarted()
   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
   XGUI_Workshop* aWorkshop = aConnector->workshop();
-  PartSet_SketcherReetntrantMgr* aReentranceMgr = myModule->sketchReentranceMgr();
+  PartSet_SketcherReentrantMgr* aReentranceMgr = myModule->sketchReentranceMgr();
 
   XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
   if (aPropertyPanel) {
@@ -638,8 +809,8 @@ void PartSet_SketcherMgr::onApplicationStarted()
 
     connect(aPropertyPanel, SIGNAL(noMoreWidgets(const std::string&)),
             aReentranceMgr, SLOT(onNoMoreWidgets(const std::string&)));
-    connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
-            aReentranceMgr, SLOT(onWidgetActivated()));
+    //connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
+    //        aReentranceMgr, SLOT(onWidgetActivated()));
   }
 
   XGUI_ViewerProxy* aViewerProxy = aWorkshop->viewer();
@@ -679,7 +850,7 @@ void PartSet_SketcherMgr::onAfterContextMenu()
   myIsPopupMenuActive = false;
 }
 
-void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent, 
+void PartSet_SketcherMgr::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent,
                                      Point& thePoint)
 {
   Handle(V3d_View) aView = theWnd->v3dView();
@@ -693,10 +864,22 @@ void PartSet_SketcherMgr::launchEditing()
 {
   if (!myCurrentSelection.empty()) {
     FeaturePtr aFeature = myCurrentSelection.begin().key();
-    std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
+    std::shared_ptr<SketchPlugin_Feature> aSPFeature =
               std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-    if (aSPFeature && (!aSPFeature->isExternal())) {
-      myModule->editFeature(aSPFeature);
+    if (aSPFeature) {
+      if (!aSPFeature->isExternal())
+        myModule->editFeature(aSPFeature);
+      else {
+        // need to edit a feature (Projection/IntersectionPoint),
+        // which produces current External feature
+        FeaturePtr aProducerFeature = PartSet_Tools::findRefsToMeFeature(aFeature,
+                                                        SketchPlugin_Projection::ID());
+        if (!aProducerFeature.get())
+          aProducerFeature = PartSet_Tools::findRefsToMeFeature(aFeature,
+                                                        SketchPlugin_IntersectionPoint::ID());
+        if (aProducerFeature.get())
+          myModule->editFeature(aProducerFeature);
+      }
     }
   }
 }
@@ -714,17 +897,16 @@ bool PartSet_SketcherMgr::sketchSolverError()
 
 QString PartSet_SketcherMgr::getFeatureError(const FeaturePtr& theFeature)
 {
-  std::string anError = "";
+  QString anError;
   if (!theFeature.get() || !theFeature->data()->isValid())
-    return anError.c_str();
+    return anError;
 
   CompositeFeaturePtr aSketch = activeSketch();
   if (aSketch.get() && aSketch == theFeature) {
-    AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
-    anError = aAttributeString->value();
-    ModuleBase_Tools::translate(aSketch->getKind(), anError);
+    std::string aSolverError = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR())->value();
+    anError = ModuleBase_Tools::translate(aSketch->getKind(), aSolverError);
   }
-  return anError.c_str();
+  return anError;
 }
 
 void PartSet_SketcherMgr::clearClickedFlags()
@@ -733,25 +915,6 @@ void PartSet_SketcherMgr::clearClickedFlags()
   myCurrentPoint.clear();
 }
 
-const QStringList& PartSet_SketcherMgr::sketchOperationIdList()
-{
-  static QStringList aIds;
-  if (aIds.size() == 0) {
-    aIds << SketchPlugin_Line::ID().c_str();
-    aIds << SketchPlugin_Point::ID().c_str();
-    aIds << SketchPlugin_Arc::ID().c_str();
-    aIds << SketchPlugin_Circle::ID().c_str();
-    aIds << SketchPlugin_ConstraintFillet::ID().c_str();
-    aIds << SketchPlugin_IntersectionPoint::ID().c_str();
-    // TODO
-    // SketchRectangle is a python feature, so its ID is passed just as a string
-    aIds << "SketchRectangle";
-    aIds.append(replicationsIdList());
-    aIds.append(constraintsIdList());
-  }
-  return aIds;
-}
-
 const QStringList& PartSet_SketcherMgr::replicationsIdList()
 {
   static QStringList aReplicationIds;
@@ -781,13 +944,21 @@ const QStringList& PartSet_SketcherMgr::constraintsIdList()
     aConstraintIds << SketchPlugin_ConstraintAngle::ID().c_str();
     aConstraintIds << SketchPlugin_ConstraintCollinear::ID().c_str();
     aConstraintIds << SketchPlugin_ConstraintMiddle::ID().c_str();
+    aConstraintIds << SketchPlugin_ConstraintMirror::ID().c_str();
+    aConstraintIds << SketchPlugin_MultiTranslation::ID().c_str();
+    aConstraintIds << SketchPlugin_MultiRotation::ID().c_str();
+    aConstraintIds << SketchPlugin_ConstraintDistanceAlongDir::ID().c_str();
+    aConstraintIds << SketchPlugin_ConstraintDistanceHorizontal::ID().c_str();
+    aConstraintIds << SketchPlugin_ConstraintDistanceVertical::ID().c_str();
   }
   return aConstraintIds;
 }
 
-void PartSet_SketcherMgr::sketchSelectionModes(QIntList& theModes)
+void PartSet_SketcherMgr::sketchSelectionModes(const CompositeFeaturePtr& theSketch,
+                                               QIntList& theModes)
 {
-  theModes.clear();
+  if (!theSketch.get() || !PartSet_Tools::sketchPlane(theSketch).get())
+    return;
 
   theModes.append(SketcherPrs_Tools::Sel_Dimension_Text);
   theModes.append(SketcherPrs_Tools::Sel_Dimension_Line);
@@ -796,13 +967,15 @@ void PartSet_SketcherMgr::sketchSelectionModes(QIntList& theModes)
   theModes.append(TopAbs_EDGE);
 }
 
-Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ResultPtr& theResult)
+Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ObjectPtr& theObj)
 {
   Handle(AIS_InteractiveObject) aPrs;
 
-  FeaturePtr aFeature = ModelAPI_Feature::feature(theResult);
+  FeaturePtr aFeature = ModelAPI_Feature::feature(theObj);
   if (aFeature.get() && aFeature->getKind() == SketchPlugin_Sketch::ID()) {
-    aPrs = new PartSet_ResultSketchPrs(theResult);
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObj);
+    if (aResult.get())
+      aPrs = new PartSet_ResultSketchPrs(aResult);
   }
   return aPrs;
 }
@@ -812,24 +985,59 @@ bool PartSet_SketcherMgr::isSketchOperation(ModuleBase_Operation* theOperation)
   return theOperation && theOperation->id().toStdString() == SketchPlugin_Sketch::ID();
 }
 
-bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOperation)
+bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOperation) const
+{
+  bool aNestedSketch = false;
+
+  FeaturePtr anActiveSketch = activeSketch();
+  if (anActiveSketch.get() && theOperation) {
+    ModuleBase_Operation* aSketchOperation = operationMgr()->findOperation(
+                                                              anActiveSketch->getKind().c_str());
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                                  (theOperation);
+    if (aSketchOperation && aFOperation) {
+      FeaturePtr aFeature = aFOperation->feature();
+      if (aFeature.get()) {
+        QStringList aGrantedOpIds = aSketchOperation->grantedOperationIds();
+        aNestedSketch = aGrantedOpIds.contains(aFeature->getKind().c_str());
+      }
+    }
+  }
+  return aNestedSketch;
+}
+
+bool PartSet_SketcherMgr::isNestedSketchFeature(const QString& theFeatureKind) const
 {
-  return theOperation &&
-         PartSet_SketcherMgr::sketchOperationIdList().contains(theOperation->id());
+  bool aNestedSketch = false;
+
+  FeaturePtr anActiveSketch = activeSketch();
+  if (anActiveSketch.get()) {
+    ModuleBase_Operation* aSketchOperation = operationMgr()->findOperation(
+                                                              anActiveSketch->getKind().c_str());
+    if (aSketchOperation) {
+      QStringList aGrantedOpIds = aSketchOperation->grantedOperationIds();
+      aNestedSketch = aGrantedOpIds.contains(theFeatureKind);
+    }
+  }
+  return aNestedSketch;
 }
 
-bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation)
+bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation,
+                                                  const CompositeFeaturePtr& theSketch) const
 {
   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                (theOperation);
-  return aFOperation && !aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
+  return aFOperation && !aFOperation->isEditOperation() &&
+         isNestedSketchOperation(aFOperation);
 }
 
-bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation)
+bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation,
+                                                const CompositeFeaturePtr& theSketch) const
 {
   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                (theOperation);
-  return aFOperation && aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
+  return aFOperation && aFOperation->isEditOperation() &&
+    isNestedSketchOperation(aFOperation);
 }
 
 bool PartSet_SketcherMgr::isEntity(const std::string& theId)
@@ -837,7 +1045,18 @@ bool PartSet_SketcherMgr::isEntity(const std::string& theId)
   return (theId == SketchPlugin_Line::ID()) ||
          (theId == SketchPlugin_Point::ID()) ||
          (theId == SketchPlugin_Arc::ID()) ||
-         (theId == SketchPlugin_Circle::ID());
+         (theId == SketchPlugin_Circle::ID()) ||
+         (theId == SketchPlugin_Ellipse::ID()) ||
+         (theId == SketchPlugin_Projection::ID()) ||
+         (theId == SketchPlugin_IntersectionPoint::ID()) ||
+         (theId == SketchPlugin_EllipticArc::ID());
+}
+
+bool PartSet_SketcherMgr::isExternalFeature(const FeaturePtr& theFeature)
+{
+  std::shared_ptr<SketchPlugin_Feature> aSPFeature =
+          std::dynamic_pointer_cast<SketchPlugin_Feature>(theFeature);
+  return aSPFeature.get() && aSPFeature->isExternal();
 }
 
 bool PartSet_SketcherMgr::isDistanceOperation(ModuleBase_Operation* theOperation)
@@ -852,20 +1071,38 @@ bool PartSet_SketcherMgr::isDistanceKind(std::string& theKind)
   return (theKind == SketchPlugin_ConstraintLength::ID()) ||
          (theKind == SketchPlugin_ConstraintDistance::ID()) ||
          (theKind == SketchPlugin_ConstraintRadius::ID()) ||
-         (theKind == SketchPlugin_ConstraintAngle::ID());
+         (theKind == SketchPlugin_ConstraintAngle::ID()) ||
+         (theKind == SketchPlugin_ConstraintDistanceHorizontal::ID()) ||
+         (theKind == SketchPlugin_ConstraintDistanceVertical::ID()) ||
+         (theKind == SketchPlugin_ConstraintDistanceAlongDir::ID());
 }
 
 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
 {
+  static Events_ID EVENT_ATTR = Events_Loop::loop()->eventByName(EVENT_VISUAL_ATTRIBUTES);
+  static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+
   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                (getCurrentOperation());
   if (!aFOperation)
     return;
 
+  SketcherPrs_Tools::setPixelRatio(ModuleBase_Tools::currentPixelRatio());
+
   myModule->onViewTransformed();
 
   // Display all sketcher sub-Objects
   myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFOperation->feature());
+  double aSizeOfView = 0;
+  std::shared_ptr<GeomAPI_Pnt> aCentralPoint;
+  // Reset size of view from previous launches
+  mySketchPlane->setSizeOfView(aSizeOfView, false, aCentralPoint);
+  if (aFOperation->isEditOperation() &&
+      mySketchPlane->getDefaultSizeOfView(myCurrentSketch, aSizeOfView, aCentralPoint)) {
+    mySketchPlane->setSizeOfView(aSizeOfView, true, aCentralPoint);
+  }
+
+  mySketchPlane->createSketchPlane(myCurrentSketch, myModule->workshop());
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 
   // Hide sketcher result
@@ -879,7 +1116,8 @@ void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
   // Remove invalid sketch entities
   std::set<FeaturePtr> anInvalidFeatures;
   ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
-  for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
+  int aNumberOfSubs = myCurrentSketch->numberOfSubs();
+  for (int i = 0; i < aNumberOfSubs; i++) {
     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
     if (aFeature.get()) {
       if (!aFactory->validate(aFeature))
@@ -897,7 +1135,7 @@ void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
     for (; anIt != aLast; anIt++) {
       FeaturePtr aFeature = *anIt;
       if (aFeature.get())
-        anInvalidFeatureNames.append(aFeature->name().c_str());
+        anInvalidFeatureNames.append(QString::fromStdWString(aFeature->name()));
     }
     std::string aPrefixInfo = QString("Invalid features of the sketch will be deleted: %1.\n\n").
                                   arg(anInvalidFeatureNames.join(", ")).toStdString().c_str();
@@ -913,67 +1151,83 @@ void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
     }
   }
 
+  // update state of overconstraint listener should be done before sketch features/results
+  // display (as the display will ask custom color from the listener)
+  myModule->overconstraintListener()->setActive(true);
   // Display sketcher objects
   QStringList anInfo;
-  for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
+  const ModelAPI_EventCreator* aECreator = ModelAPI_EventCreator::get();
+  aNumberOfSubs = myCurrentSketch->numberOfSubs();
+  for (int i = 0; i < aNumberOfSubs; i++) {
     FeaturePtr aFeature = myCurrentSketch->subFeature(i);
 #ifdef DEBUG_SKETCHER_ENTITIES
     anInfo.append(ModuleBase_Tools::objectInfo(aFeature));
 #endif
-    std::list<ResultPtr> aResults = aFeature->results();
-    std::list<ResultPtr>::const_iterator aIt;
-    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-      (*aIt)->setDisplayed(true);
+    std::list<ResultPtr> aFeatResults = aFeature->results();
+    for (aIt = aFeatResults.begin(); aIt != aFeatResults.end(); ++aIt) {
+      if ((*aIt)->isDisplayed())
+        // Display object if it was created outside of GUI
+        aECreator->sendUpdated((*aIt), EVENT_DISP);
+      else
+        (*aIt)->setDisplayed(true);
     }
-    aFeature->setDisplayed(true);
+    if (aFeature->isDisplayed())
+      aECreator->sendUpdated(aFeature, EVENT_DISP);
+    else
+      aFeature->setDisplayed(true);
+    aECreator->sendUpdated(aFeature, EVENT_ATTR);
   }
 #ifdef DEBUG_SKETCHER_ENTITIES
   QString anInfoStr = anInfo.join(";\t");
   qDebug(QString("startSketch: %1, %2").arg(anInfo.size()).arg(anInfoStr).toStdString().c_str());
 #endif
 
-  if(myCirclePointFilter.IsNull()) {
-    myCirclePointFilter = new PartSet_CirclePointFilter(myModule->workshop());
-  }
+  std::shared_ptr<GeomAPI_Pln> aPln;
+  aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
+  Handle(SelectMgr_Filter) aFilter = myModule->selectionFilter(SF_SketchPlaneFilter);
+  if (!aFilter.IsNull())
+    Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(aPln);
 
-  myModule->workshop()->viewer()->addSelectionFilter(myCirclePointFilter);
+  workshop()->selectionActivate()->updateSelectionFilters();
+  workshop()->selectionActivate()->updateSelectionModes();
 
-  if (myPlaneFilter.IsNull()) 
-    myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
+  Events_Loop::loop()->flush(EVENT_ATTR);
+  Events_Loop::loop()->flush(EVENT_DISP);
 
-  myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
-  bool aHasPlane = false;
-  std::shared_ptr<GeomAPI_Pln> aPln;
-  aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
-  myPlaneFilter->setPlane(aPln);
+  myExternalPointsMgr = new PartSet_ExternalPointsMgr(myModule->workshop(), myCurrentSketch);
+
+  workshop()->viewer()->set2dMode(true);
 
-  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
-  // all displayed objects should be activated in current selection modes according to switched
-  // plane filter
-  if (aPln.get())
-    aConnector->activateModuleSelectionModes();
+  PartSet_Fitter* aFitter = new PartSet_Fitter(this);
+  myModule->workshop()->viewer()->setFitter(aFitter);
 }
 
 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
 {
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
+  PartSet_Fitter* aFitter = (PartSet_Fitter*)myModule->workshop()->viewer()->fitter();
+  myModule->workshop()->viewer()->setFitter(0);
+  delete aFitter;
+
   myIsMouseOverWindow = false;
   myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
   myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
   myIsConstraintsShown[PartSet_Tools::Expressions] = false;
 
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
+  if (myExternalPointsMgr) {
+    delete myExternalPointsMgr;
+    myExternalPointsMgr = 0;
+  }
+  onShowPoints(false);
 
   DataPtr aData = myCurrentSketch->data();
   if (!aData->isValid()) {
     XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
     // The sketch was aborted
     myCurrentSketch = CompositeFeaturePtr();
-    // TODO: move this outside of if-else
-    myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
-    myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
+    mySketchPlane->eraseSketchPlane(myModule->workshop());
 
     // Erase all sketcher objects
-    QStringList aSketchIds = sketchOperationIdList();
     QObjectPtrList aObjects = aDisplayer->displayedObjects();
     foreach (ObjectPtr aObj, aObjects) {
       DataPtr aObjData = aObj->data();
@@ -983,7 +1237,8 @@ void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
   }
   else {
     // Hide all sketcher sub-Objects
-    for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
+    int aNumberOfSubs = myCurrentSketch->numberOfSubs();
+    for (int i = 0; i < aNumberOfSubs; i++) {
       FeaturePtr aFeature = myCurrentSketch->subFeature(i);
       std::list<ResultPtr> aResults = aFeature->results();
       std::list<ResultPtr>::const_iterator aIt;
@@ -1010,16 +1265,15 @@ void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
     }
     if (!aFOperation->isDisplayedOnStart(myCurrentSketch))
       myCurrentSketch->setDisplayed(true);
-    
-    myCurrentSketch = CompositeFeaturePtr();
 
-    myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
-    myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
+    myCurrentSketch = CompositeFeaturePtr();
+    mySketchPlane->eraseSketchPlane(myModule->workshop());
 
     Events_Loop::loop()->flush(aDispEvent);
   }
-  // restore the module selection modes, which were changed on startSketch
-  aConnector->activateModuleSelectionModes();
+  workshop()->selectionActivate()->updateSelectionFilters();
+  workshop()->selectionActivate()->updateSelectionModes();
+  workshop()->viewer()->set2dMode(false);
 }
 
 void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
@@ -1027,10 +1281,10 @@ void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
   if (canChangeCursor(theOperation) && myIsMouseOverWindow) {
     QCursor* aCurrentCursor = QApplication::overrideCursor();
     if (!aCurrentCursor || aCurrentCursor->shape() != Qt::CrossCursor) {
-      QApplication::setOverrideCursor(QCursor(Qt::CrossCursor));
-#ifdef DEBUG_CURSOR
-      qDebug("startNestedSketch() : Qt::CrossCursor");
-#endif
+      QApplication::setOverrideCursor(PartSet_Tools::getOperationCursor());
+//#ifdef DEBUG_CURSOR
+//      qDebug("startNestedSketch() : Qt::CrossCursor");
+//#endif
     }
   }
 }
@@ -1039,6 +1293,7 @@ void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
 {
   myIsMouseOverViewProcessed = true;
   operationMgr()->onValidateOperation();
+  // when sketch nested operation is stopped the cursor should be restored unconditionally
   if (canChangeCursor(theOperation)) {
     QApplication::restoreOverrideCursor();
 #ifdef DEBUG_CURSOR
@@ -1047,14 +1302,26 @@ void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
   }
   /// improvement to deselect automatically all eventual selected objects, when
   // returning to the neutral point of the Sketcher
-  // if the operation is restarted, the previous selection is used to initialize started operation
-  if (!myModule->sketchReentranceMgr()->isInternalEditStarted())
+  bool isClearSelectionPossible = true;
+  if (myIsEditLaunching) {
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                          (theOperation);
+    if (aFOperation) {
+      FeaturePtr aFeature = aFOperation->feature();
+      if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
+        isClearSelectionPossible = false;
+      }
+    }
+  }
+  if (isClearSelectionPossible)
     workshop()->selector()->clearSelection();
+  if (myPointsHighlight.size())
+    onShowPoints(true);
 }
 
 void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
 {
-  if (isNestedCreateOperation(theOperation)) {
+  if (isNestedCreateOperation(theOperation, activeSketch())) {
     ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                              (theOperation);
     if (aFOperation) {
@@ -1068,19 +1335,23 @@ void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
   }
 }
 
-void PartSet_SketcherMgr::activatePlaneFilter(const bool& toActivate)
+bool PartSet_SketcherMgr::sketchSelectionFilter(const ModuleBase_SelectionFilterType theFilterType)
 {
-  if (toActivate)
-    myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
-  else
-    myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
+  return mySelectionFilterTypes.find(theFilterType) != mySelectionFilterTypes.end();
+}
+
+void PartSet_SketcherMgr::registerSelectionFilter(
+  const ModuleBase_SelectionFilterType theFilterType, const Handle(SelectMgr_Filter)& theFilter)
+{
+  mySelectionFilterTypes.insert(theFilterType);
+  myModule->registerSelectionFilter(theFilterType, theFilter);
 }
 
 bool PartSet_SketcherMgr::operationActivatedByPreselection()
 {
   bool isOperationStopped = false;
   ModuleBase_Operation* anOperation = getCurrentOperation();
-  if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
+  if(anOperation && isNestedSketchOperation(anOperation)) {
     // Set final definitions if they are necessary
     //propertyPanelDefined(aOperation);
     /// Commit sketcher operations automatically
@@ -1108,12 +1379,12 @@ bool PartSet_SketcherMgr::operationActivatedByPreselection()
 
 bool PartSet_SketcherMgr::canUndo() const
 {
-  return isNestedCreateOperation(getCurrentOperation());
+  return isNestedCreateOperation(getCurrentOperation(), activeSketch());
 }
 
 bool PartSet_SketcherMgr::canRedo() const
 {
-  return isNestedCreateOperation(getCurrentOperation());
+  return isNestedCreateOperation(getCurrentOperation(), activeSketch());
 }
 
 bool PartSet_SketcherMgr::canEraseObject(const ObjectPtr& theObject) const
@@ -1121,19 +1392,7 @@ bool PartSet_SketcherMgr::canEraseObject(const ObjectPtr& theObject) const
   bool aCanErase = true;
   // when the sketch operation is active, results of sketch sub-feature can not be hidden
   if (myCurrentSketch.get()) {
-    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
-    if (aResult.get()) {
-      // Display sketcher objects
-      for (int i = 0; i < myCurrentSketch->numberOfSubs() && aCanErase; i++) {
-
-        FeaturePtr aFeature = myCurrentSketch->subFeature(i);
-        std::list<ResultPtr> aResults = aFeature->results();
-        std::list<ResultPtr>::const_iterator anIt;
-        for (anIt = aResults.begin(); anIt != aResults.end() && aCanErase; ++anIt) {
-          aCanErase = *anIt != aResult;
-        }
-      }
-    }
+    return !isObjectOfSketch(theObject);
   }
   return aCanErase;
 }
@@ -1145,7 +1404,7 @@ bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
   bool aHasActiveSketch = activeSketch().get() != NULL;
   if (aHasActiveSketch) {
     // 1. the sketch feature should not be displayed during the sketch active operation
-    // it is hidden by a sketch operation start and shown by a sketch stop, just the sketch 
+    // it is hidden by a sketch operation start and shown by a sketch stop, just the sketch
     // nested features can be visualized
     FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
     if (aFeature.get() != NULL && aFeature == activeSketch()) {
@@ -1197,13 +1456,15 @@ bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
       // b. the popup menu activated
       // c. widget editor control
       #ifndef DEBUG_DO_NOT_BY_ENTER
-      if (isNestedCreateOperation(getCurrentOperation())) {
+      if (isNestedCreateOperation(getCurrentOperation(), activeSketch())) {
         ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
-        ModuleBase_WidgetEditor* anEditorWdg = anActiveWidget ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWidget) : 0;
-        // the active widget editor should not influence here. The presentation should be visible always
-        // when this widget is active.
+        ModuleBase_WidgetEditor* anEditorWdg =
+          anActiveWidget ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWidget) : 0;
+        // the active widget editor should not influence here. The presentation should be visible
+        // always when this widget is active.
         if (!anEditorWdg && !myIsPopupMenuActive) {
-          // during a nested create operation, the feature is redisplayed only if the mouse over view
+          // during a nested create operation, the feature is redisplayed only
+          // if the mouse over view
           // of there was a value modified in the property panel after the mouse left the view
           aCanDisplay = canDisplayCurrentCreatedFeature();
         }
@@ -1233,13 +1494,9 @@ bool PartSet_SketcherMgr::canDisplayConstraint(const FeaturePtr& theFeature,
   bool aSwitchedOn = true;
 
   const QStringList& aConstrIds = constraintsIdList();
-  const QStringList& aReplicationIds = replicationsIdList();
 
   std::string aKind = theFeature->getKind();
-  if (aConstrIds.contains(aKind.c_str()) ||
-      aReplicationIds.contains(aKind.c_str())) {
-    bool isTypedConstraint = false;
-
+  if (aConstrIds.contains(QString(aKind.c_str()))) {
     switch (theState) {
       case PartSet_Tools::Dimensional: {
         bool isDistance = isDistanceKind(aKind);
@@ -1364,7 +1621,7 @@ bool PartSet_SketcherMgr::canDisplayCurrentCreatedFeature() const
 
 bool PartSet_SketcherMgr::canChangeCursor(ModuleBase_Operation* theOperation) const
 {
-  return isNestedCreateOperation(theOperation) ||
+  return isNestedCreateOperation(theOperation, activeSketch()) ||
          myModule->sketchReentranceMgr()->isInternalEditActive();
 }
 
@@ -1375,25 +1632,28 @@ const QMap<PartSet_Tools::ConstraintVisibleState, bool>& PartSet_SketcherMgr::sh
 
 bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
 {
-  bool isFoundObject = false;
-
+  if (!myCurrentSketch.get())
+    return false;
   FeaturePtr anObjectFeature = ModelAPI_Feature::feature(theObject);
   if (anObjectFeature.get()) {
     int aSize = myCurrentSketch->numberOfSubs();
-    for (int i = 0; i < myCurrentSketch->numberOfSubs() && !isFoundObject; i++) {
-      FeaturePtr aCurrentFeature = myCurrentSketch->subFeature(i);
-      isFoundObject = myCurrentSketch->subFeature(i) == anObjectFeature;
+    FeaturePtr aCurrentFeature;
+    for (int i = 0; i < aSize; i++) {
+      aCurrentFeature = myCurrentSketch->subFeature(i);
+      if (myCurrentSketch->subFeature(i) == anObjectFeature)
+        return true;
     }
   }
-  return isFoundObject;
+  return false;
 }
 
-void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
+void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePlane)
 {
-  if (myPlaneFilter.IsNull()) 
-   myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
+  Handle(SelectMgr_Filter) aFilter = myModule->selectionFilter(SF_SketchPlaneFilter);
+  if (!aFilter.IsNull())
+    Handle(ModuleBase_ShapeInPlaneFilter)::DownCast(aFilter)->setPlane(thePlane);
 
-  myPlaneFilter->setPlane(thePln);
+  workshop()->selectionActivate()->updateSelectionModes();
 }
 
 bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* theOperation,
@@ -1443,10 +1703,10 @@ bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* t
             anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
           }
           if (anAIS.get() != NULL) {
-            Handle(AIS_InteractiveObject) anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
+            anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
 
             if (!anAISIO.IsNull()) {
-              Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAISIO);
+              Handle(PrsDim_Dimension) aDim = Handle(PrsDim_Dimension)::DownCast(anAISIO);
               if (!aDim.IsNull()) {
                 gp_Pnt aPosition = aDim->GetTextPosition();
 
@@ -1472,54 +1732,6 @@ bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* t
   return isValueAccepted;
 }
 
-void PartSet_SketcherMgr::getCurrentSelection(const FeaturePtr& theFeature,
-                                              const FeaturePtr& theSketch,
-                                              ModuleBase_IWorkshop* theWorkshop,
-                                              FeatureToSelectionMap& theSelection)
-{
-  if (theFeature.get() == NULL)
-    return;
-
-  std::set<AttributePtr> aSelectedAttributes;
-  std::set<ResultPtr> aSelectedResults;
-
-  ModuleBase_IViewer* aViewer = theWorkshop->viewer();
-  Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
-  if (!aContext.IsNull()) {
-    XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
-    XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
-
-    std::list<ResultPtr> aResults = theFeature->results();
-    std::list<ResultPtr>::const_iterator aIt;
-    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt)
-    {
-      ResultPtr aResult = *aIt;
-      AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
-      if (aAISObj.get() == NULL)
-        continue;
-      Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
-      for (aContext->InitSelected(); aContext->MoreSelected(); aContext->NextSelected())
-      {
-        Handle(SelectMgr_EntityOwner) anOwner = aContext->SelectedOwner();
-        if (anOwner->Selectable() != anAISIO)
-          continue;
-        getAttributesOrResults(anOwner, theFeature, theSketch, aResult,
-                               aSelectedAttributes, aSelectedResults);
-      }
-      for (aContext->InitDetected(); aContext->MoreDetected(); aContext->NextDetected()) {
-        Handle(SelectMgr_EntityOwner) anOwner = aContext->DetectedOwner();
-        if (anOwner.IsNull())
-          continue;
-        if (anOwner->Selectable() != anAISIO)
-          continue;
-        getAttributesOrResults(anOwner, theFeature, theSketch, aResult,
-                               aSelectedAttributes, aSelectedResults);
-      }
-    }
-  }
-  theSelection[theFeature] = std::make_pair(aSelectedAttributes, aSelectedResults);
-}
-
 void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
                                              const FeaturePtr& theSketch,
                                              ModuleBase_IWorkshop* theWorkshop,
@@ -1530,10 +1742,9 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
     return;
 
   FeatureToSelectionMap::const_iterator anIt = theSelection.find(theFeature);
-  std::set<AttributePtr> aSelectedAttributes = anIt.value().first;
-  std::set<ResultPtr> aSelectedResults = anIt.value().second;
-
-  ModuleBase_IViewer* aViewer = theWorkshop->viewer();
+  SelectionInfo anInfo = anIt.value();
+  std::map<AttributePtr, int> aSelectedAttributes = anInfo.myAttributes;
+  std::set<ResultPtr> aSelectedResults = anInfo.myResults;
 
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
@@ -1555,52 +1766,88 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
   // 2. found the feature results's owners
   std::list<ResultPtr> aResults = theFeature->results();
   std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt)
-  {
+
+  bool isSameShape = false;
+  if (aResults.size() > 0) {
+    ResultPtr aFirstResult = theFeature->firstResult();
+    if (aFirstResult.get() && aFirstResult->shape().get()) {
+      TopoDS_Shape aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
+      isSameShape = aFirstShape.IsEqual(anInfo.myFirstResultShape);
+    }
+  }
+  for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
     ResultPtr aResult = *aIt;
-    AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
-    if (aAISObj.get() == NULL)
-      continue; 
-    Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
+    AISObjectPtr aResAISObj = aDisplayer->getAISObject(aResult);
+    if (aResAISObj.get() == NULL)
+      continue;
+    Handle(AIS_InteractiveObject) anAISIO = aResAISObj->impl<Handle(AIS_InteractiveObject)>();
 
-    SelectMgr_IndexedMapOfOwner aSelectedOwners;  
+    SelectMgr_IndexedMapOfOwner aSelectedOwners;
     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
+    bool aFoundLocalShape = false;
     for  ( Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
-      Handle(StdSelect_BRepOwner) anOwner = Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
-      if ( anOwner.IsNull() || !anOwner->HasShape() )
+      Handle(StdSelect_BRepOwner) anOwner =
+        Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
+      if ( anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
         continue;
       const TopoDS_Shape& aShape = anOwner->Shape();
       TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
       if (aShapeType == TopAbs_VERTEX) {
-        AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
-        if (aPntAttr.get() != NULL &&
-            aSelectedAttributes.find(aPntAttr) != aSelectedAttributes.end()) {
+        std::pair<AttributePtr, int> aPntAttrIndex =
+          PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
+        if (aPntAttrIndex.first.get() != NULL &&
+            aSelectedAttributes.find(aPntAttrIndex.first) != aSelectedAttributes.end())
+          theOwnersToSelect.Add(anOwner);
+        else if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
           theOwnersToSelect.Add(anOwner);
         }
       }
       else if (aShapeType == TopAbs_EDGE) {
-        bool aFound = aSelectedResults.find(aResult) != aSelectedResults.end();
-        if (aSelectedResults.find(aResult) != aSelectedResults.end() &&
-            theOwnersToSelect.FindIndex(anOwner) <= 0)
+        if (isSameShape && anInfo.myLocalSelectedShapes.Contains(aShape)) {
+          // try to restore local selection on Shape result
+          // we can do this only if the shape was not changed
           theOwnersToSelect.Add(anOwner);
+          aFoundLocalShape = true;
+          break;
+        }
+      }
+    }
+    if (!aFoundLocalShape) {
+      // result owners are put in the list of selection only if local selected shapes were not
+      // found
+      if (aSelectedResults.find(aResult) != aSelectedResults.end()) {
+        for (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++ ) {
+          Handle(StdSelect_BRepOwner) anOwner =
+              Handle(StdSelect_BRepOwner)::DownCast(aSelectedOwners(i));
+          if (anOwner.IsNull() || !anOwner->HasShape() || theOwnersToSelect.FindIndex(anOwner))
+            continue;
+          // select whole result
+          theOwnersToSelect.Add(anOwner);
+        }
       }
     }
   }
 }
 
-void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget, const bool isToConnect)
+void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget,
+                                                 const bool isToConnect)
 {
+  //Temporary commented as we do not modify values in property panel
   if (isToConnect) {
-    connect(theWidget, SIGNAL(beforeValuesChanged()),
-            this, SLOT(onBeforeValuesChangedInPropertyPanel()));
+    //connect(theWidget, SIGNAL(beforeValuesChanged()),
+    //        this, SLOT(onBeforeValuesChangedInPropertyPanel()));
+    //connect(theWidget, SIGNAL(afterValuesChanged()),
+    //        this, SLOT(onAfterValuesChangedInPropertyPanel()));
     connect(theWidget, SIGNAL(afterValuesChanged()),
-            this, SLOT(onAfterValuesChangedInPropertyPanel()));
+            myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
   }
   else {
-    disconnect(theWidget, SIGNAL(beforeValuesChanged()),
-                this, SLOT(onBeforeValuesChangedInPropertyPanel()));
+    //disconnect(theWidget, SIGNAL(beforeValuesChanged()),
+    //            this, SLOT(onBeforeValuesChangedInPropertyPanel()));
+    //disconnect(theWidget, SIGNAL(afterValuesChanged()),
+    //            this, SLOT(onAfterValuesChangedInPropertyPanel()));
     disconnect(theWidget, SIGNAL(afterValuesChanged()),
-                this, SLOT(onAfterValuesChangedInPropertyPanel()));
+               myModule->sketchReentranceMgr(), SLOT(onAfterValuesChangedInPropertyPanel()));
   }
 }
 
@@ -1609,8 +1856,8 @@ void PartSet_SketcherMgr::widgetStateChanged(int thePreviousState)
   ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
                                                                            (getCurrentOperation());
   if (aFOperation) {
-    if (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
-        PartSet_SketcherMgr::isNestedSketchOperation(aFOperation) &&
+    if ((PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
+         isNestedSketchOperation(aFOperation)) &&
         thePreviousState == ModuleBase_ModelWidget::ModifiedInPP) {
       FeaturePtr aFeature = aFOperation->feature();
       visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
@@ -1618,26 +1865,26 @@ void PartSet_SketcherMgr::widgetStateChanged(int thePreviousState)
   }
 }
 
-void PartSet_SketcherMgr::customizePresentation(const ObjectPtr& theObject)
-{
-  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
-                                                                           (getCurrentOperation());
-  if (aFOperation && (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
-                      PartSet_SketcherMgr::isNestedSketchOperation(aFOperation)))
-    SketcherPrs_Tools::sendExpressionShownEvent(myIsConstraintsShown[PartSet_Tools::Expressions]);
-
-  // update entities selection priorities
-  FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
-  if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
-    // update priority for feature
-    updateSelectionPriority(aFeature, aFeature);
-    // update priority for results of the feature
-    std::list<ResultPtr> aResults = aFeature->results();
-    std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLastIt = aResults.end();
-    for (; anIt != aLastIt; anIt++)
-      updateSelectionPriority(*anIt, aFeature);
-  }
-}
+//void PartSet_SketcherMgr::customisePresentation(const ObjectPtr& theObject)
+//{
+//  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+//                                                                           (getCurrentOperation());
+//  if (aFOperation && (PartSet_SketcherMgr::isSketchOperation(aFOperation) ||
+//                      isNestedSketchOperation(aFOperation)))
+//    SketcherPrs_Tools::sendExpressionShownEvent(myIsConstraintsShown[PartSet_Tools::Expressions]);
+//
+//  // update entities selection priorities
+//  FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
+//  if (aFeature.get() && PartSet_SketcherMgr::isEntity(aFeature->getKind())) {
+//    // update priority for feature
+//    updateSelectionPriority(aFeature, aFeature);
+//    // update priority for results of the feature
+//    std::list<ResultPtr> aResults = aFeature->results();
+//    std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLastIt = aResults.end();
+//    for (; anIt != aLastIt; anIt++)
+//      updateSelectionPriority(*anIt, aFeature);
+//  }
+//}
 
 ModuleBase_Operation* PartSet_SketcherMgr::getCurrentOperation() const
 {
@@ -1669,9 +1916,6 @@ void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
   if (isEditOperation || !theFeature.get())
     return;
 
-  ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
-
   // 1. change visibility of the object itself, here the presentable object is processed,
   // e.g. constraints features
   //FeaturePtr aFeature = aFOperation->feature();
@@ -1695,52 +1939,97 @@ void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
     Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 }
 
-void PartSet_SketcherMgr::storeSelection(const bool theHighlightedOnly)
+void PartSet_SketcherMgr::storeSelection(const SelectionType theType,
+                        PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
 {
   if (!myCurrentSketch.get())
     return;
 
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   ModuleBase_ISelection* aSelect = aWorkshop->selection();
-  QList<ModuleBase_ViewerPrsPtr> aHighlighted = aSelect->getHighlighted();
+  QList<ModuleBase_ViewerPrsPtr> aStoredPrs;
 
-  QList<FeaturePtr> aFeatureList;
-  if (theHighlightedOnly) {
-    fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
-  }
-  else {
-    fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
+  if (theType == ST_HighlightType || theType == ST_SelectAndHighlightType)
+    aStoredPrs = aSelect->getHighlighted();
 
-    QList<ModuleBase_ViewerPrsPtr> aSelected = aSelect->getSelected(ModuleBase_ISelection::AllControls);
-    fillFeatureList(aSelected, myCurrentSketch, aFeatureList);
+  QList<FeaturePtr> aFeatureList;
+  if (theType == ST_SelectAndHighlightType || theType == ST_SelectType) {
+    QList<ModuleBase_ViewerPrsPtr> aSelected = aSelect->getSelected(
+                                                              ModuleBase_ISelection::AllControls);
+    aStoredPrs.append(aSelected);
   }
 
   // 1. it is necessary to save current selection in order to restore it after the features moving
-  myCurrentSelection.clear();
-  QList<FeaturePtr>::const_iterator anIt = aFeatureList.begin(), aLast = aFeatureList.end();
+  theCurrentSelection.clear();
+
+  QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = aStoredPrs.begin(),
+                                                aLast = aStoredPrs.end();
+
+  CompositeFeaturePtr aSketch = activeSketch();
   for (; anIt != aLast; anIt++) {
-    getCurrentSelection(*anIt, myCurrentSketch, aWorkshop, myCurrentSelection);
+    ModuleBase_ViewerPrsPtr aPrs = *anIt;
+    ObjectPtr anObject = aPrs->object();
+    if (!anObject.get())
+      continue;
+
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
+    FeaturePtr aFeature;
+    if (aResult.get())
+      aFeature = ModelAPI_Feature::feature(aResult);
+    else
+      aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
+
+    if (!aFeature.get())
+      continue;
+
+    std::set<AttributePtr> aSelectedAttributes;
+    std::set<ResultPtr> aSelectedResults;
+    SelectionInfo anInfo;
+    if (theCurrentSelection.find(aFeature) != theCurrentSelection.end())
+      anInfo = theCurrentSelection.find(aFeature).value();
+
+    TopoDS_Shape aFirstShape;
+    ResultPtr aFirstResult = aFeature->firstResult();
+    if (aFirstResult.get() && aFirstResult->shape().get())
+      aFirstShape = aFirstResult->shape()->impl<TopoDS_Shape>();
+    anInfo.myFirstResultShape = aFirstShape;
+    Handle(SelectMgr_EntityOwner) anOwner = aPrs->owner();
+    if (aResult.get()) {
+      getAttributesOrResults(anOwner, aFeature, aSketch, aResult,
+          anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
+    }
+    else {
+      std::list<ResultPtr> aResults = aFeature->results();
+      std::list<ResultPtr>::const_iterator aIt;
+      for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
+        ResultPtr aCurResult = *aIt;
+        getAttributesOrResults(anOwner, aFeature, aSketch, aCurResult,
+          anInfo.myAttributes, anInfo.myResults, anInfo.myLocalSelectedShapes);
+      }
+    }
+    theCurrentSelection[aFeature] = anInfo;
   }
-  //qDebug(QString("  storeSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
+  //qDebug(QString("  storeSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
 }
 
-void PartSet_SketcherMgr::restoreSelection()
+void PartSet_SketcherMgr::restoreSelection(
+                                PartSet_SketcherMgr::FeatureToSelectionMap& theCurrentSelection)
 {
   if (!myCurrentSketch.get())
     return;
 
-  //qDebug(QString("restoreSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
+  //qDebug(QString("restoreSelection: %1").arg(theCurrentSelection.size()).toStdString().c_str());
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
-  FeatureToSelectionMap::const_iterator aSIt = myCurrentSelection.begin(),
-                                        aSLast = myCurrentSelection.end();
+  FeatureToSelectionMap::const_iterator aSIt = theCurrentSelection.begin(),
+                                        aSLast = theCurrentSelection.end();
   SelectMgr_IndexedMapOfOwner anOwnersToSelect;
+  anOwnersToSelect.Clear();
   for (; aSIt != aSLast; aSIt++) {
-    anOwnersToSelect.Clear();
-    getSelectionOwners(aSIt.key(), myCurrentSketch, aWorkshop, myCurrentSelection,
-                        anOwnersToSelect);
-    aConnector->workshop()->selector()->setSelectedOwners(anOwnersToSelect, false);
+    getSelectionOwners(aSIt.key(), myCurrentSketch, aWorkshop, theCurrentSelection,
+                       anOwnersToSelect);
   }
+  aConnector->workshop()->selector()->setSelectedOwners(anOwnersToSelect, false);
 }
 
 void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
@@ -1748,6 +2037,7 @@ void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
   PartSet_Tools::ConstraintVisibleState aType = (PartSet_Tools::ConstraintVisibleState)theType;
 
   updateBySketchParameters(aType, theState);
+  myModule->workshop()->viewer()->update();
 }
 
 void PartSet_SketcherMgr::updateBySketchParameters(
@@ -1764,9 +2054,8 @@ void PartSet_SketcherMgr::updateBySketchParameters(
     case PartSet_Tools::Geometrical:
     case PartSet_Tools::Dimensional: {
       if (aPrevState != theState) {
-        ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
-        XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
-        for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
+        int aNumberOfSubs = myCurrentSketch->numberOfSubs();
+        for (int i = 0; i < aNumberOfSubs; i++) {
           FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
           bool aProcessed = false;
           bool aConstraintDisplayed = canDisplayConstraint(aSubFeature, theType, aProcessed);
@@ -1781,11 +2070,16 @@ void PartSet_SketcherMgr::updateBySketchParameters(
       if (aPrevState != theState) {
         /// call all sketch features redisplay, the expression state will be corrected in customize
         /// of distance presentation
+        SketcherPrs_Tools::ParameterStyle aStyle = myIsConstraintsShown[PartSet_Tools::Expressions]
+          ? SketcherPrs_Tools::ParameterText : SketcherPrs_Tools::ParameterValue;
+        SketcherPrs_Tools::setParameterStyle(aStyle);
         Events_ID anEventId = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
         PartSet_Tools::sendSubFeaturesEvent(myCurrentSketch, anEventId);
       }
     }
     break;
+    default: // [to avoid compilation warning]
+      break;
   }
 }
 
@@ -1812,7 +2106,8 @@ void PartSet_SketcherMgr::updateSelectionPriority(ObjectPtr theObject,
       // 3. External objects (violet color)
       // 4. Auxiliary segments (dotted)
       // StdSelect_BRepSelectionTool::Load uses priority calculating:
-      // Standard_Integer aPriority = (thePriority == -1) ? GetStandardPriority (theShape, theType) : thePriority;
+      // Standard_Integer aPriority =
+      // (thePriority == -1) ? GetStandardPriority (theShape, theType) : thePriority;
       // Priority of Vertex is 8, edge(segment) is 7.
       // It might be not corrected as provides the condition above.
       bool isExternal = aSPFeature->isExternal();
@@ -1848,3 +2143,274 @@ XGUI_OperationMgr* PartSet_SketcherMgr::operationMgr() const
   return workshop()->operationMgr();
 }
 
+void PartSet_SketcherMgr::onShowPoints(bool toShow)
+{
+  if (!myCurrentSketch.get())
+    return;
+  ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
+  ModuleBase_IViewer* aViewer = aWorkshop->viewer();
+  Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
+
+  bool aToUpdate = false;
+  if (toShow) {
+    std::list<ResultPtr> aFreePoints = SketcherPrs_Tools::getFreePoints(myCurrentSketch);
+
+    // Delete obsolete presentations
+    std::list<ResultPtr> aDelList;
+    foreach(ResultPtr aObj, myPointsHighlight.keys()) {
+      bool aFound = (std::find(aFreePoints.begin(), aFreePoints.end(), aObj) != aFreePoints.end());
+      if (!aFound)
+        aDelList.push_back(aObj);
+    }
+    foreach(ResultPtr aObj, aDelList) {
+      aContext->Remove(myPointsHighlight[aObj], false);
+      aToUpdate = true;
+      myPointsHighlight.remove(aObj);
+    }
+
+    // Display new objects
+    QList<ResultPtr> aKeysList = myPointsHighlight.keys();
+    std::list<ResultPtr>::const_iterator aIt;
+    for (aIt = aFreePoints.cbegin(); aIt != aFreePoints.cend(); aIt++) {
+      if (!aKeysList.contains(*aIt)) {
+        GeomShapePtr aShapePtr = (*aIt)->shape();
+        TopoDS_Shape aShape = aShapePtr->impl<TopoDS_Shape>();
+        Handle(AIS_Shape) aShapePrs = new AIS_Shape(aShape);
+        aShapePrs->SetColor(Quantity_NOC_BLUE1);
+        aShapePrs->SetZLayer(Graphic3d_ZLayerId_Top);
+        Handle(Prs3d_Drawer) aDrawer = aShapePrs->Attributes();
+        if (aDrawer->HasOwnPointAspect()) {
+          aDrawer->PointAspect()->SetTypeOfMarker(Aspect_TOM_O_STAR);
+          aDrawer->PointAspect()->SetColor(Quantity_NOC_BLUE1);
+          aDrawer->PointAspect()->SetScale(2);
+        }
+        else
+          aDrawer->SetPointAspect(new Prs3d_PointAspect(Aspect_TOM_O_STAR, Quantity_NOC_BLUE1, 2));
+        aContext->Display(aShapePrs, false);
+        aContext->Deactivate(aShapePrs);
+        myPointsHighlight[*aIt] = aShapePrs;
+        aToUpdate = true;
+      }
+    }
+  }
+  else {
+    foreach(Handle(AIS_Shape) aPrs, myPointsHighlight.values()) {
+      aContext->Remove(aPrs, false);
+      aToUpdate = true;
+    }
+    myPointsHighlight.clear();
+  }
+  if (aToUpdate)
+    aViewer->update();
+}
+
+void PartSet_SketcherMgr::processEvent(const std::shared_ptr<Events_Message>& theMessage)
+{
+  if (theMessage->eventID() == Events_Loop::loop()->eventByName(EVENT_DOF_OBJECTS)) {
+    std::shared_ptr<ModelAPI_ObjectUpdatedMessage> anUpdateMsg =
+      std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
+    std::set<ObjectPtr> aObjects = anUpdateMsg->objects();
+    std::set<ObjectPtr>::const_iterator aIt;
+    QList<ModuleBase_ViewerPrsPtr> aPrsList;
+    for (aIt = aObjects.cbegin(); aIt != aObjects.cend(); aIt++) {
+      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*aIt);
+      if (aFeature.get()) {
+        std::list<ResultPtr> aRes = aFeature->results();
+        std::list<ResultPtr>::const_iterator aRIt;
+        for (aRIt = aRes.cbegin(); aRIt != aRes.cend(); ++aRIt) {
+          ModuleBase_ViewerPrsPtr aPrsPtr(new ModuleBase_ViewerPrs(*aRIt));
+          aPrsList.append(aPrsPtr);
+        }
+      }
+    }
+    if (aPrsList.size() > 0) {
+      myModule->workshop()->setSelected(aPrsList);
+    }
+  }
+}
+
+bool isExternal(const ObjectPtr& theObject)
+{
+  AttributeSelectionPtr aAttr =
+    theObject->data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID());
+  if (aAttr)
+    return aAttr->context().get() != NULL && !aAttr->isInvalid();
+  return false;
+}
+
+bool isCopy(const ObjectPtr& theObject)
+{
+  AttributeBooleanPtr anAttr = theObject->data()->boolean(SketchPlugin_SketchEntity::COPY_ID());
+  if (anAttr.get())
+    return anAttr->value();
+  return false;
+}
+
+bool isIncludeToResult(const ObjectPtr& theObject)
+{
+  AttributeBooleanPtr anAttr;
+  std::set<AttributePtr> aRefsToMe = theObject->data()->refsToMe();
+  std::set<AttributePtr>::const_iterator aIt;
+  for (aIt = aRefsToMe.cbegin(); aIt != aRefsToMe.cend(); ++aIt) {
+    if ((*aIt)->id() == SketchPlugin_Projection::PROJECTED_FEATURE_ID()) {
+      FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>((*aIt)->owner());
+      if (aFeature.get() && !aFeature->isMacro()) {
+        anAttr = aFeature->data()->boolean(SketchPlugin_Projection::INCLUDE_INTO_RESULT());
+        if (anAttr.get())
+          return anAttr->value();
+      }
+    }
+  }
+  return true;
+}
+
+//**************************************************************************************
+std::vector<int> PartSet_SketcherMgr::colorOfObject(const ObjectPtr& theObject,
+  const FeaturePtr& theFeature, bool isConstruction) const
+{
+  PartSet_OverconstraintListener* aOCListener = myModule->overconstraintListener();
+  std::string aKind = theFeature->getKind();
+
+  if (aOCListener->isConflictingObject(theObject)) {
+    return Config_PropManager::color("Visualization", "sketch_overconstraint_color");
+  }
+  if (isDistanceKind(aKind)) {
+    return Config_PropManager::color("Visualization", "sketch_dimension_color");
+  }
+  if (isExternal(theFeature))
+    return Config_PropManager::color("Visualization", "sketch_external_color");
+
+  if (aOCListener->isFullyConstrained()) {
+    return Config_PropManager::color("Visualization", "sketch_fully_constrained_color");
+  }
+  if (aKind == SketchPlugin_ConstraintCoincidence::ID())
+    return std::vector<int>(3, 0);
+
+  if (isConstruction)
+    return Config_PropManager::color("Visualization", "sketch_auxiliary_color");
+
+  return Config_PropManager::color("Visualization", "sketch_entity_color");
+}
+
+//**************************************************************************************
+void PartSet_SketcherMgr::customizeSketchPresentation(const ObjectPtr& theObject,
+  const AISObjectPtr& thePrs) const
+{
+  FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
+
+  // set color from preferences
+  std::shared_ptr<ModelAPI_AttributeBoolean> anAuxiliaryAttr =
+    aFeature->data()->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID());
+  bool isConstruction = anAuxiliaryAttr.get() != NULL && anAuxiliaryAttr->value();
+
+  std::vector<int> aColor = colorOfObject(theObject, aFeature, isConstruction);
+  if (!aColor.empty()) {
+    // The code below causes redisplay again
+    if (ModelAPI_Session::get()->isOperation()) {
+      AttributeIntArrayPtr aColorAttr = theObject->data()->intArray(ModelAPI_Result::COLOR_ID());
+      if (aColorAttr.get()) {
+        aColorAttr->setSize(3, false);
+        // Set the color attribute in order do not use default colors in the presentation object
+        for (int i = 0; i < 3; i++)
+          aColorAttr->setValue(i, aColor[i], false);
+      }
+    }
+    thePrs->setColor(aColor[0], aColor[1], aColor[2]);
+  }
+
+  int aShapeType = thePrs->getShapeType();
+  // a compound is processed like the edge because the
+  // arc feature uses the compound for presentable AIS
+  if (aShapeType != 6/*an edge*/ && aShapeType != 7/*a vertex*/ && aShapeType != 0/*compound*/)
+    return;
+
+  int aWidth = Config_PropManager::integer("Visualization", "sketch_line_width");
+  if (isExternal(aFeature)) {
+    thePrs->setWidth(isIncludeToResult(aFeature)? aWidth : 1);
+    return;
+  }
+  std::string aKind = aFeature->getKind();
+  if (isDistanceKind(aKind))
+    return;
+
+  if (aShapeType == 6 || aShapeType == 0) { // if this is an edge or a compound
+    if (isConstruction) {
+      // Set axilliary line
+      thePrs->setWidth(SketchPlugin_SketchEntity::SKETCH_LINE_WIDTH_AUXILIARY());
+      thePrs->setLineStyle(SketchPlugin_SketchEntity::SKETCH_LINE_STYLE_AUXILIARY());
+    }
+    else {
+      thePrs->setWidth(aWidth);
+      thePrs->setLineStyle(SketchPlugin_SketchEntity::SKETCH_LINE_STYLE());
+    }
+  }
+  else if (aShapeType == 7) { // otherwise this is a vertex
+                              // The width value do not have effect on the point presentation.
+                              // It is defined in order to extend selection area of the object.
+    thePrs->setWidth(17);
+    //  thePrs->setPointMarker(1, 1.); // Set point as a '+' symbol
+  }
+  if (isCopy(aFeature) || !isIncludeToResult(aFeature)) {
+    double aPrsWidth = thePrs->width();
+    thePrs->setWidth(aPrsWidth / 2.5);
+  }
+
+  double aDeflection = Config_PropManager::real("Visualization", "construction_deflection");
+  thePrs->setDeflection(aDeflection);
+}
+
+//*************************************************************************************
+void PartSet_Fitter::fitAll(Handle(V3d_View) theView)
+{
+  CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
+
+  ModuleBase_IWorkshop* aWorkshop = mySketchMgr->module()->workshop();
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
+  XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
+
+  Bnd_Box aBndBox;
+  int aNumberOfSubs = aSketch->numberOfSubs();
+  double aXmin, aYmin, aZmin, aXmax, aYmax, aZmax;
+  for (int i = 0; i < aNumberOfSubs; i++) {
+    FeaturePtr aFeature = aSketch->subFeature(i);
+    if (aDisplayer->isVisible(aFeature)) {
+      AISObjectPtr aAisPtr = aDisplayer->getAISObject(aFeature);
+      Handle(AIS_InteractiveObject) aAisObj = aAisPtr->impl<Handle(AIS_InteractiveObject)>();
+      if (!aAisObj->IsInfinite()) {
+        Bnd_Box aBox;
+        aAisObj->BoundingBox(aBox);
+        aBndBox.Add(aBox);
+      }
+    }
+    else {
+      std::list<ResultPtr> aResults = aFeature->results();
+      std::list<ResultPtr>::const_iterator aIt;
+      ResultPtr aRes;
+      for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
+        aRes = (*aIt);
+        if (aRes->isDisplayed()) {
+          FeaturePtr aCurFeature = ModelAPI_Feature::feature(aRes);
+          if (aCurFeature.get()) {
+            std::shared_ptr<SketchPlugin_Feature> aSPFeature =
+                std::dynamic_pointer_cast<SketchPlugin_Feature>(aCurFeature);
+            if (aSPFeature.get()) {
+              bool isAxiliary =
+                aSPFeature->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value();
+              if (!(aSPFeature->isExternal() || isAxiliary)) {
+                GeomShapePtr aShape = aRes->shape();
+                aShape->computeSize(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
+                Bnd_Box aBox;
+                aBox.Update(aXmin, aYmin, aZmin, aXmax, aYmax, aZmax);
+                aBndBox.Add(aBox);
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+  if (aBndBox.IsVoid())
+    theView->FitAll();
+  else
+    theView->FitAll(aBndBox, 0.01);
+}