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1. Correction for perfomance problem by Apply button state update: do not listen...
[modules/shaper.git] / src / PartSet / PartSet_SketcherMgr.cpp
old mode 100644 (file)
new mode 100755 (executable)
index df93f32..be2d63e
@@ -5,13 +5,14 @@
 // Author:      Vitaly SMETANNIKOV
 
 #include "PartSet_SketcherMgr.h"
+#include "PartSet_SketcherReetntrantMgr.h"
 #include "PartSet_Module.h"
 #include "PartSet_WidgetPoint2d.h"
 #include "PartSet_WidgetPoint2dDistance.h"
 #include "PartSet_Tools.h"
 #include "PartSet_WidgetSketchLabel.h"
-
-#include <ModuleBase_WidgetEditor.h>
+#include "PartSet_WidgetEditor.h"
+#include "PartSet_ResultSketchPrs.h"
 
 #include <XGUI_ModuleConnector.h>
 #include <XGUI_Displayer.h>
 #include <XGUI_ContextMenuMgr.h>
 #include <XGUI_Selection.h>
 #include <XGUI_SelectionMgr.h>
-#include <ModuleBase_ModelWidget.h>
 #include <XGUI_ModuleConnector.h>
 #include <XGUI_PropertyPanel.h>
 #include <XGUI_ViewerProxy.h>
+#include <XGUI_OperationMgr.h>
+#include <XGUI_Tools.h>
 
-#include <AppElements_MainWindow.h>
-
+#include <ModuleBase_IPropertyPanel.h>
+#include <ModuleBase_ISelection.h>
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_IWorkshop.h>
 #include <ModuleBase_IViewWindow.h>
+#include <ModuleBase_ModelWidget.h>
 #include <ModuleBase_Operation.h>
-#include <ModuleBase_ISelection.h>
-#include <ModuleBase_IPropertyPanel.h>
+#include <ModuleBase_OperationFeature.h>
 #include <ModuleBase_Operation.h>
+#include <ModuleBase_WidgetEditor.h>
+#include <ModuleBase_ViewerPrs.h>
 
 #include <GeomDataAPI_Point2D.h>
 
 #include <SketchPlugin_ConstraintCoincidence.h>
 #include <SketchPlugin_ConstraintFillet.h>
 #include <SketchPlugin_ConstraintMirror.h>
+#include <SketchPlugin_ConstraintAngle.h>
+#include <SketchPlugin_ConstraintCollinear.h>
+#include <SketchPlugin_ConstraintMiddle.h>
 #include <SketchPlugin_MultiRotation.h>
 #include <SketchPlugin_MultiTranslation.h>
+#include <SketchPlugin_IntersectionPoint.h>
 
 #include <SketcherPrs_Tools.h>
 
 
 //#include <AIS_DimensionSelectionMode.hxx>
 #include <AIS_Shape.hxx>
+#include <AIS_Dimension.hxx>
 
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Session.h>
+#include <ModelAPI_AttributeString.h>
 
 #include <QMouseEvent>
 #include <QApplication>
+#include <QCursor>
+#include <QMessageBox>
 
 //#define DEBUG_DO_NOT_BY_ENTER
-//#define DEBUG_MOUSE_OVER_WINDOW_FLAGS
+
+//#define DEBUG_CURSOR
 
 /// Returns list of unique objects by sum of objects from List1 and List2
-/*QList<ModuleBase_ViewerPrs> getSumList(const QList<ModuleBase_ViewerPrs>& theList1,
-                                       const QList<ModuleBase_ViewerPrs>& theList2)
+/*QList<ModuleBase_ViewerPrsPtr> getSumList(const QList<ModuleBase_ViewerPrsPtr>& theList1,
+                                       const QList<ModuleBase_ViewerPrsPtr>& theList2)
 {
-  QList<ModuleBase_ViewerPrs> aRes;
-  foreach (ModuleBase_ViewerPrs aPrs, theList1) {
+  QList<ModuleBase_ViewerPrsPtr> aRes;
+  foreach (ModuleBase_ViewerPrsPtr aPrs, theList1) {
     if (!aRes.contains(aPrs))
       aRes.append(aPrs);
   }
-  foreach (ModuleBase_ViewerPrs aPrs, theList2) {
+  foreach (ModuleBase_ViewerPrsPtr aPrs, theList2) {
     if (!aRes.contains(aPrs))
       aRes.append(aPrs);
   }
   return aRes;
 }*/
 
-void fillFeature2Attribute(const QList<ModuleBase_ViewerPrs>& theList,
-                           QMap<FeaturePtr, QList<AttributePtr> >& theFeature2AttributeMap,
-                           const FeaturePtr theSketch)
+// 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_ViewerPrs> aRes;
+  QList<ModuleBase_ViewerPrsPtr> aRes;
 
-  QList<ModuleBase_ViewerPrs>::const_iterator anIt = theList.begin(),
+  QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = theList.begin(),
                                               aLast = theList.end();
   for (; anIt != aLast; anIt++)
   {
-    ModuleBase_ViewerPrs aPrs = *anIt;
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs.object());
-    if (aFeature.get() == NULL)
-      continue;
-
-    QList<AttributePtr> anAttributes;
-    if (theFeature2AttributeMap.contains(aFeature)) {
-      anAttributes = theFeature2AttributeMap[aFeature];
+    ModuleBase_ViewerPrsPtr aPrs = *anIt;
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aPrs->object());
+    if (aFeature.get()  && !theFeatureList.contains(aFeature))
+      theFeatureList.append(aFeature);
+  }
+}
+
+/// 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.
+/// \param theOwner a viewer selected owner
+/// \param theFeature a feature, where the attribute is searched
+/// \param theSketch a current sketch
+/// \param theSelectedAttribute an output list of attributes
+/// \param theSelectedResults an output list of edge results
+void getAttributesOrResults(const Handle(SelectMgr_EntityOwner)& theOwner,
+                            const FeaturePtr& theFeature, const FeaturePtr& theSketch,
+                            const ResultPtr& theResult,
+                            std::set<AttributePtr>& aSelectedAttributes,
+                            std::set<ResultPtr>& aSelectedResults)
+{
+  Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(theOwner);
+  if (aBRepOwner.IsNull())
+    return;
+  Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
+                                                                    aBRepOwner->Selectable());
+  if (aBRepOwner->HasShape()) {
+    const TopoDS_Shape& aShape = aBRepOwner->Shape();
+    TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
+    if (aShapeType == TopAbs_VERTEX) {
+      AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
+                                                                    aShape, theSketch);
+      if (aPntAttr.get() != NULL)
+        aSelectedAttributes.insert(aPntAttr);
     }
-    AttributePtr anAttr;
-    TopoDS_Shape aShape = aPrs.shape();
-    if (!aShape.IsNull()) {
-      if (aShape.ShapeType() == TopAbs_VERTEX) {
-        anAttr = PartSet_Tools::findAttributeBy2dPoint(aFeature, aShape, theSketch);
-        if (anAttr.get() != NULL && !anAttributes.contains(anAttr))
-          anAttributes.push_back(anAttr);
-      }
+    else if (aShapeType == TopAbs_EDGE &&
+             aSelectedResults.find(theResult) == aSelectedResults.end()) {
+      aSelectedResults.insert(theResult);
     }
-    theFeature2AttributeMap[aFeature] = anAttributes;
   }
 }
 
-
-
-
 PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
   : QObject(theModule), myModule(theModule), myIsDragging(false), myDragDone(false),
-    myIsPropertyPanelValueChanged(false), myIsMouseOverWindow(false),
+    myIsMouseOverWindow(false),
     myIsMouseOverViewProcessed(true), myPreviousUpdateViewerEnabled(true),
-    myIsPopupMenuActive(false), myIsConstraintsShown(true)
+    myIsPopupMenuActive(false)
 {
   ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
   ModuleBase_IViewer* aViewer = anIWorkshop->viewer();
 
-  myPreviousSelectionEnabled = true;//aViewer->isSelectionEnabled();
+  myPreviousDrawModeEnabled = true;//aViewer->isSelectionEnabled();
 
   connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
           this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
@@ -153,6 +188,10 @@ PartSet_SketcherMgr::PartSet_SketcherMgr(PartSet_Module* theModule)
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
   XGUI_Workshop* aWorkshop = aConnector->workshop();
   connect(aWorkshop, SIGNAL(applicationStarted()), this, SLOT(onApplicationStarted()));
+
+  myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
+  myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
+  myIsConstraintsShown[PartSet_Tools::Expressions] = false;
 }
 
 PartSet_SketcherMgr::~PartSet_SketcherMgr()
@@ -168,27 +207,38 @@ void PartSet_SketcherMgr::onEnterViewPort()
   // the mouse move and use the cursor position to update own values. If the presentaion is
   // redisplayed before this update, the feature presentation jumps from reset value to current.
   myIsMouseOverWindow = true;
-  myIsPropertyPanelValueChanged = false;
-#ifdef DEBUG_MOUSE_OVER_WINDOW_FLAGS
-  qDebug(QString("onEnterViewPort: %1").arg(mouseOverWindowFlagsInfo()).toStdString().c_str());
-#endif
 
   #ifdef DEBUG_DO_NOT_BY_ENTER
   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
+    }
+  }
+
   if (!isNestedCreateOperation(getCurrentOperation()))
     return;
+
+  operationMgr()->onValidateOperation();
+
   // we need change displayed state of the current operation feature
   // if the feature is presentable, e.g. distance construction. It has no results, so workshop does
   // not accept a signal about the result created. Nothing is shown until mouse is moved out/in view
   // port. If the isDisplayed flag is true, the presentable feature is displayed as soon as the
   // presentation becomes valid and redisplay happens
-  ModuleBase_Operation* aOperation = getCurrentOperation();
-  if (aOperation) {
-    FeaturePtr aFeature = aOperation->feature();
+  //ModuleBase_Operation* aOperation = getCurrentOperation();
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                           (getCurrentOperation());
+  if (aFOperation) {
+    FeaturePtr aFeature = aFOperation->feature();
     if (aFeature.get() && aFeature->data()->isValid()) {
-      visualizeFeature(aOperation, canDisplayObject(aFeature), false);
+      visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature), false);
     }
   }
 }
@@ -197,22 +247,30 @@ void PartSet_SketcherMgr::onLeaveViewPort()
 {
   myIsMouseOverViewProcessed = false;
   myIsMouseOverWindow = false;
-  myIsPropertyPanelValueChanged = false;
-#ifdef DEBUG_MOUSE_OVER_WINDOW_FLAGS
-  qDebug(QString("onLeaveViewPort: %1").arg(mouseOverWindowFlagsInfo()).toStdString().c_str());
-#endif
 
   #ifdef DEBUG_DO_NOT_BY_ENTER
   return;
   #endif
 
+  if (canChangeCursor(getCurrentOperation())) {
+    QApplication::restoreOverrideCursor();
+#ifdef DEBUG_CURSOR
+    qDebug("onLeaveViewPort() : None");
+#endif
+  }
+
   if (!isNestedCreateOperation(getCurrentOperation()))
     return;
+
   // the method should be performed if the popup menu is called,
   // the reset of the current widget should not happen
   if (myIsPopupMenuActive)
     return;
 
+  // it is important to validate operation here only if sketch entity create operation is active
+  // because at this operation we reacts to the mouse leave/enter view port
+  operationMgr()->onValidateOperation();
+
   // 2. if the mouse IS NOT over window, reset the active widget value and hide the presentation
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
@@ -220,25 +278,28 @@ void PartSet_SketcherMgr::onLeaveViewPort()
   // disable the viewer update in order to avoid visualization of redisplayed feature in viewer
   // obtained after reset value
   bool isEnableUpdateViewer = aDisplayer->enableUpdateViewer(false);
-  ModuleBase_Operation* aOperation = getCurrentOperation();
-  ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
-  ModuleBase_ModelWidget* aActiveWgt = aPanel->activeWidget();
-  if (aActiveWgt) {
-    aActiveWgt->reset();
-  }
-  aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
+  ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
+  if (anActiveWidget)
+    anActiveWidget->reset();
 
   // hides the presentation of the current operation feature
-  //myIsPropertyPanelValueChanged = false;
   // 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)
-  FeaturePtr aFeature = getCurrentOperation()->feature();
-  visualizeFeature(aOperation, canDisplayObject(aFeature));
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                           (getCurrentOperation());
+  if (aFOperation) {
+    FeaturePtr aFeature = aFOperation->feature();
+    visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
+  }
+  // we should update viewer after the presentation are hidden in the viewer
+  // otherwise the reset presentation(line) appears in the viewer(by quick move from viewer to PP)
+  aDisplayer->enableUpdateViewer(isEnableUpdateViewer);
 }
 
 void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 {
-  if (isNestedCreateOperation(getCurrentOperation()))
+  if (!isNestedEditOperation(getCurrentOperation()) ||
+      myModule->sketchReentranceMgr()->isInternalEditActive())
     return;
   // it is necessary to save current selection in order to restore it after the values are modifed
   storeSelection();
@@ -251,8 +312,11 @@ void PartSet_SketcherMgr::onBeforeValuesChangedInPropertyPanel()
 
 void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
 {
-  if (isNestedCreateOperation(getCurrentOperation()))
+  if (!isNestedEditOperation(getCurrentOperation()) ||
+      myModule->sketchReentranceMgr()->isInternalEditActive()) {
+    myModule->sketchReentranceMgr()->updateInternalEditActiveState();
     return;
+  }
   // it is necessary to restore current selection in order to restore it after the values are modified
   restoreSelection();
   myCurrentSelection.clear();
@@ -265,25 +329,16 @@ void PartSet_SketcherMgr::onAfterValuesChangedInPropertyPanel()
   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
   aDisplayer->enableUpdateViewer(myPreviousUpdateViewerEnabled);
   aDisplayer->updateViewer();
-}
 
-void PartSet_SketcherMgr::onValuesChangedInPropertyPanel()
-{
-  if (!isNestedCreateOperation(getCurrentOperation()))
-    return;
 
-  // visualize the current operation feature
-  myIsPropertyPanelValueChanged = true;
-  ModuleBase_Operation* aOperation = getCurrentOperation();
-  // 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)
-  FeaturePtr aFeature = getCurrentOperation()->feature();
-  visualizeFeature(aOperation, canDisplayObject(aFeature));
 }
 
 void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
-  get2dPoint(theWnd, theEvent, myClickedPoint);
+  if (myModule->sketchReentranceMgr()->processMousePressed(theWnd, theEvent))
+    return;
+
+  //get2dPoint(theWnd, theEvent, myClickedPoint);
 
   if (!(theEvent->buttons() & Qt::LeftButton))
     return;
@@ -296,37 +351,42 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
   if (!aViewer->canDragByMouse())
     return;
 
-  ModuleBase_Operation* aOperation = getCurrentOperation();
-  if (aOperation && aOperation->isEditOperation()) {
-    ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
-    ModuleBase_ModelWidget* aActiveWgt = aPanel->activeWidget();
-    // If the current widget is a selector, do do nothing, it processes the mouse press
-    if(aActiveWgt && aActiveWgt->isViewerSelector()) {
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (getCurrentOperation());
+  if (!aFOperation)
+    return;
+
+  if (aFOperation->isEditOperation()) {
+    // If the current widget is a selector, do nothing, it processes the mouse press
+    ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
+    if(anActiveWidget && anActiveWidget->isViewerSelector()) {
       return;
     }
   }
 
   // Use only for sketch operations
-  if (aOperation && myCurrentSketch) {
+  if (myCurrentSketch) {
     if (!PartSet_Tools::sketchPlane(myCurrentSketch))
       return;
 
-    bool isSketcher = isSketchOperation(aOperation);
-    bool isSketchOpe = isNestedSketchOperation(aOperation);
+    bool isSketcher = isSketchOperation(aFOperation);
+    bool isSketchOpe = isNestedSketchOperation(aFOperation);
 
     // Avoid non-sketch operations
     if ((!isSketchOpe) && (!isSketcher))
       return;
 
-    bool isEditing = aOperation->isEditOperation();
+    bool isEditing = aFOperation->isEditOperation();
 
     // Ignore creation sketch operation
     if ((!isSketcher) && (!isEditing))
       return;
 
-    // MoveTo in order to highlight current object
-    aViewer->AISContext()->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
-
+    Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
+    if (!aContext.IsNull()) {
+      // MoveTo in order to highlight current object
+      aContext->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
+    }
     // Remember highlighted objects for editing
     ModuleBase_ISelection* aSelect = aWorkshop->selection();
 
@@ -336,8 +396,8 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
     if (myCurrentSelection.empty()) {
       if (isSketchOpe && (!isSketcher))
         // commit previous operation
-        if (!aOperation->commit())
-          aOperation->abort();
+        if (!aFOperation->commit())
+          aFOperation->abort();
       return;
     }
     // Init flyout point for radius rotation
@@ -347,6 +407,8 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
       myIsDragging = true;
       get2dPoint(theWnd, theEvent, myCurrentPoint);
       myDragDone = false;
+
+      myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
       launchEditing();
       if (aFeature.get() != NULL) {
         std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
@@ -361,14 +423,20 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
       }
     } else if (isSketchOpe && isEditing) {
       // If selected another object commit current result
-      aOperation->commit();
+      aFOperation->commit();
 
       myIsDragging = true;
       get2dPoint(theWnd, theEvent, myCurrentPoint);
       myDragDone = false;
 
+      myPreviousDrawModeEnabled = aViewer->enableDrawMode(false);
+
+      // this is temporary commented in order to avoid the following wrong case:
+      // Distance constraint is under edition, double click on the digit -> nothing happens
+      // because QApplication::processEvents() calls onMouseDoubleClick, which try to show editor
+      // but as the prev edit is commited an new one is not started, editor is not shown.
       // This is necessary in order to finalize previous operation
-      QApplication::processEvents();
+      //QApplication::processEvents();
       launchEditing();
     }
   }
@@ -376,6 +444,9 @@ void PartSet_SketcherMgr::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseE
 
 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())
@@ -383,67 +454,73 @@ void PartSet_SketcherMgr::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouse
   ModuleBase_Operation* aOp = getCurrentOperation();
   if (aOp) {
     if (isNestedSketchOperation(aOp)) {
-      get2dPoint(theWnd, theEvent, myClickedPoint);
+      //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
-          /*aViewer->AISContext()->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
+          aContext->MoveTo(theEvent->x(), theEvent->y(), theWnd->v3dView());
           if (theEvent->modifiers() & Qt::ShiftModifier)
-            aViewer->AISContext()->ShiftSelect();
+            aContext->ShiftSelect();
           else
-            aViewer->AISContext()->Select();
-            */
+            aContext->Select();
+          */
         }
       }
     }
   }
-  aWorkshop->viewer()->enableSelection(myPreviousSelectionEnabled);
+
+  aWorkshop->viewer()->enableDrawMode(myPreviousDrawModeEnabled);
   myIsDragging = false;
 }
 
 void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
+  if (myModule->sketchReentranceMgr()->processMouseMoved(theWnd, theEvent))
+    return;
+
   if (isNestedCreateOperation(getCurrentOperation()) && !myIsMouseOverViewProcessed) {
     myIsMouseOverViewProcessed = true;
     // 1. perform the widget mouse move functionality and display the presentation
-    ModuleBase_Operation* aOperation = getCurrentOperation();
-    ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
-    ModuleBase_ModelWidget* anActiveWdg = aPanel->activeWidget();
     // 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
-    PartSet_WidgetPoint2D* aPoint2DWdg = dynamic_cast<PartSet_WidgetPoint2D*>(anActiveWdg);
+    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*>
-                                                                (anActiveWdg);
+                                                                (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)
-    FeaturePtr aFeature = getCurrentOperation()->feature();
-    visualizeFeature(aOperation, canDisplayObject(aFeature));
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                             (getCurrentOperation());
+    if (aFOperation) {
+      FeaturePtr aFeature = aFOperation->feature();
+      visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
+    }
   }
 
-  myClickedPoint.clear();
+  //myClickedPoint.clear();
 
   if (myIsDragging) {
     // 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_IViewer* aViewer = myModule->workshop()->viewer();
-    aViewer->enableSelection(false);
 
-    ModuleBase_Operation* aOperation = getCurrentOperation();
-    if (!aOperation)
+    ModuleBase_Operation* aCurrentOperation = getCurrentOperation();
+    if (!aCurrentOperation)
       return;
-    if (isSketchOperation(aOperation))
+    if (isSketchOperation(aCurrentOperation))
       return; // No edit operation activated
 
     Handle(V3d_View) aView = theWnd->v3dView();
@@ -466,6 +543,7 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
     FeatureToSelectionMap::const_iterator anIt = myCurrentSelection.begin(),
                                           aLast = myCurrentSelection.end();
     // 4. the features and attributes modification(move)
+    bool isModified = false;
     for (; anIt != aLast; anIt++) {
       FeaturePtr aFeature = anIt.key();
 
@@ -486,6 +564,7 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
             if (aPoint.get() != NULL) {
               bool isImmutable = aPoint->setImmutable(true);
               aPoint->move(dX, dY);
+              isModified = true;
               ModelAPI_EventCreator::get()->sendUpdated(aFeature, aMoveEvent);
               aPoint->setImmutable(isImmutable);
             }
@@ -497,10 +576,16 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
           std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
         if (aSketchFeature) {
           aSketchFeature->move(dX, dY);
+          isModified = true;
           ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, aMoveEvent);
         }
       }
     }
+    // the modified state of the current operation should be updated if there are features, which
+    // 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(aUpdateEvent); // up update events - to redisplay presentations
 
@@ -517,18 +602,21 @@ void PartSet_SketcherMgr::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEve
 
 void PartSet_SketcherMgr::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
 {
-  ModuleBase_Operation* aOperation = getCurrentOperation();
-  if (aOperation && aOperation->isEditOperation()) {
-    std::string aId = aOperation->id().toStdString();
-    if (isDistanceOperation(aOperation))
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (getCurrentOperation());
+  if (aFOperation && aFOperation->isEditOperation()) {
+    std::string aId = aFOperation->id().toStdString();
+    if (isDistanceOperation(aFOperation))
     {
       // Activate dimension value editing on double click
-      ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
+      ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
       QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
       // Find corresponded widget to activate value editing
       foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
         if (aWgt->attributeID() == "ConstraintValue") {
-          aWgt->focusTo();
+          PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
+          if (anEditor)
+            anEditor->showPopupEditor();
           return;
         }
       }
@@ -541,10 +629,17 @@ 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();
+
   XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
   if (aPropertyPanel) {
-    connect(aPropertyPanel, SIGNAL(beforeWidgetActivated(ModuleBase_ModelWidget*)),
-            this, SLOT(onBeforeWidgetActivated(ModuleBase_ModelWidget*)));
+    //connect(aPropertyPanel, SIGNAL(beforeWidgetActivated(ModuleBase_ModelWidget*)),
+    //        this, SLOT(onBeforeWidgetActivated(ModuleBase_ModelWidget*)));
+
+    connect(aPropertyPanel, SIGNAL(noMoreWidgets(const std::string&)),
+            aReentranceMgr, SLOT(onNoMoreWidgets(const std::string&)));
+    connect(aPropertyPanel, SIGNAL(widgetActivated(ModuleBase_ModelWidget*)),
+            aReentranceMgr, SLOT(onWidgetActivated()));
   }
 
   XGUI_ViewerProxy* aViewerProxy = aWorkshop->viewer();
@@ -556,23 +651,23 @@ void PartSet_SketcherMgr::onApplicationStarted()
   connect(aContextMenuMgr, SIGNAL(afterContextMenu()), this, SLOT(onAfterContextMenu()));
 }
 
-void PartSet_SketcherMgr::onBeforeWidgetActivated(ModuleBase_ModelWidget* theWidget)
-{
-  if (!myClickedPoint.myIsInitialized)
-    return;
+//void PartSet_SketcherMgr::onBeforeWidgetActivated(ModuleBase_ModelWidget* theWidget)
+//{
+  //if (!myClickedPoint.myIsInitialized)
+  //  return;
 
-  ModuleBase_Operation* aOperation = getCurrentOperation();
+  //ModuleBase_Operation* aOperation = getCurrentOperation();
   // the distance constraint feature should not use the clickedd point
   // this is workaround in order to don't throw down the flyout point value,
   // set by execute() method of these type of features
-  if (isDistanceOperation(aOperation))
-    return;
+  //if (isDistanceOperation(aOperation))
+  //  return;
 
-  PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(theWidget);
-  if (aPnt2dWgt) {
-    aPnt2dWgt->setPoint(myClickedPoint.myCurX, myClickedPoint.myCurY);
-  }
-}
+  //PartSet_WidgetPoint2D* aPnt2dWgt = dynamic_cast<PartSet_WidgetPoint2D*>(theWidget);
+  //if (aPnt2dWgt) {
+  //  aPnt2dWgt->setPoint(myClickedPoint.myCurX, myClickedPoint.myCurY);
+  //}
+//}
 
 void PartSet_SketcherMgr::onBeforeContextMenu()
 {
@@ -606,6 +701,36 @@ void PartSet_SketcherMgr::launchEditing()
   }
 }
 
+bool PartSet_SketcherMgr::sketchSolverError()
+{
+  bool anError = false;
+  CompositeFeaturePtr aSketch = activeSketch();
+  if (aSketch.get()) {
+    AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
+    anError = !aAttributeString->value().empty();
+  }
+  return anError;
+}
+
+QString PartSet_SketcherMgr::getFeatureError(const FeaturePtr& theFeature)
+{
+  QString anError = "";
+  if (!theFeature.get() || !theFeature->data()->isValid())
+    return anError;
+
+  CompositeFeaturePtr aSketch = activeSketch();
+  if (aSketch.get() && aSketch == theFeature) {
+    AttributeStringPtr aAttributeString = aSketch->string(SketchPlugin_Sketch::SOLVER_ERROR());
+    anError = aAttributeString->value().c_str();
+  }
+  return anError;
+}
+
+void PartSet_SketcherMgr::clearClickedFlags()
+{
+  //myClickedPoint.clear();
+  myCurrentPoint.clear();
+}
 
 const QStringList& PartSet_SketcherMgr::sketchOperationIdList()
 {
@@ -616,6 +741,10 @@ const QStringList& PartSet_SketcherMgr::sketchOperationIdList()
     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(constraintsIdList());
   }
   return aIds;
@@ -637,8 +766,11 @@ const QStringList& PartSet_SketcherMgr::constraintsIdList()
     aIds << SketchPlugin_ConstraintTangent::ID().c_str();
     aIds << SketchPlugin_ConstraintCoincidence::ID().c_str();
     aIds << SketchPlugin_ConstraintMirror::ID().c_str();
+    aIds << SketchPlugin_ConstraintAngle::ID().c_str();
     aIds << SketchPlugin_MultiRotation::ID().c_str();
     aIds << SketchPlugin_MultiTranslation::ID().c_str();
+    aIds << SketchPlugin_ConstraintCollinear::ID().c_str();
+    aIds << SketchPlugin_ConstraintMiddle::ID().c_str();
   }
   return aIds;
 }
@@ -654,6 +786,17 @@ void PartSet_SketcherMgr::sketchSelectionModes(QIntList& theModes)
   theModes.append(TopAbs_EDGE);
 }
 
+Handle(AIS_InteractiveObject) PartSet_SketcherMgr::createPresentation(const ResultPtr& theResult)
+{
+  Handle(AIS_InteractiveObject) aPrs;
+
+  FeaturePtr aFeature = ModelAPI_Feature::feature(theResult);
+  if (aFeature.get() && aFeature->getKind() == SketchPlugin_Sketch::ID()) {
+    aPrs = new PartSet_ResultSketchPrs(theResult);
+  }
+  return aPrs;
+}
+
 bool PartSet_SketcherMgr::isSketchOperation(ModuleBase_Operation* theOperation)
 {
   return theOperation && theOperation->id().toStdString() == SketchPlugin_Sketch::ID();
@@ -667,7 +810,16 @@ bool PartSet_SketcherMgr::isNestedSketchOperation(ModuleBase_Operation* theOpera
 
 bool PartSet_SketcherMgr::isNestedCreateOperation(ModuleBase_Operation* theOperation)
 {
-  return theOperation && !theOperation->isEditOperation() && isNestedSketchOperation(theOperation);
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (theOperation);
+  return aFOperation && !aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
+}
+
+bool PartSet_SketcherMgr::isNestedEditOperation(ModuleBase_Operation* theOperation)
+{
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (theOperation);
+  return aFOperation && aFOperation->isEditOperation() && isNestedSketchOperation(aFOperation);
 }
 
 bool PartSet_SketcherMgr::isEntity(const std::string& theId)
@@ -680,18 +832,32 @@ bool PartSet_SketcherMgr::isEntity(const std::string& theId)
 
 bool PartSet_SketcherMgr::isDistanceOperation(ModuleBase_Operation* theOperation)
 {
-  std::string aId = theOperation ? theOperation->id().toStdString() : "";
+  std::string anId = theOperation ? theOperation->id().toStdString() : "";
 
-  return (aId == SketchPlugin_ConstraintLength::ID()) ||
-         (aId == SketchPlugin_ConstraintDistance::ID()) ||
-         (aId == SketchPlugin_ConstraintRadius::ID());
+  return isDistanceKind(anId);
+}
+
+bool PartSet_SketcherMgr::isDistanceKind(std::string& theKind)
+{
+  return (theKind == SketchPlugin_ConstraintLength::ID()) ||
+         (theKind == SketchPlugin_ConstraintDistance::ID()) ||
+         (theKind == SketchPlugin_ConstraintRadius::ID()) ||
+         (theKind == SketchPlugin_ConstraintAngle::ID());
 }
 
 void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
 {
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (getCurrentOperation());
+  if (!aFOperation)
+    return;
+
+  myModule->onViewTransformed();
+
   // Display all sketcher sub-Objects
-  myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theOperation->feature());
+  myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFOperation->feature());
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
+  aConnector->workshop()->displayer()->activateTrihedron(true);
 
   // Hide sketcher result
   std::list<ResultPtr> aResults = myCurrentSketch->results();
@@ -712,33 +878,35 @@ void PartSet_SketcherMgr::startSketch(ModuleBase_Operation* theOperation)
     aFeature->setDisplayed(true);
   }
 
+  if(myCirclePointFilter.IsNull()) {
+    myCirclePointFilter = new PartSet_CirclePointFilter(myModule->workshop());
+  }
+
+  myModule->workshop()->viewer()->addSelectionFilter(myCirclePointFilter);
+
   if (myPlaneFilter.IsNull()) 
     myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
 
   myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
   bool aHasPlane = false;
-  if (theOperation->isEditOperation()) {
-    // If it is editing of sketch then it means that plane is already defined
-    std::shared_ptr<GeomAPI_Pln> aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
-    if (aPln.get()) {
-      myPlaneFilter->setPlane(aPln->impl<gp_Pln>());
-      aHasPlane = true;
-    }
-  }
+  std::shared_ptr<GeomAPI_Pln> aPln;
+  aPln = PartSet_Tools::sketchPlane(myCurrentSketch);
+  myPlaneFilter->setPlane(aPln);
+
   Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
-  // all sketch objects should be activated in the sketch selection modes by edit operation start
-  // in case of creation operation, there is an active widget, which activates own selection mode
-  if (theOperation->isEditOperation() && aHasPlane)
+  // all displayed objects should be activated in current selection modes according to switched
+  // plane filter
+  if (aPln.get())
     aConnector->activateModuleSelectionModes();
 }
 
 void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
 {
   myIsMouseOverWindow = false;
-  myIsConstraintsShown = true;
-#ifdef DEBUG_MOUSE_OVER_WINDOW_FLAGS
-  qDebug(QString("stopSketch: %1").arg(mouseOverWindowFlagsInfo()).toStdString().c_str());
-#endif
+  myIsConstraintsShown[PartSet_Tools::Geometrical] = true;
+  myIsConstraintsShown[PartSet_Tools::Dimensional] = true;
+  myIsConstraintsShown[PartSet_Tools::Expressions] = false;
+
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
 
   DataPtr aData = myCurrentSketch->data();
@@ -746,6 +914,8 @@ void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
     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);
 
     // Erase all sketcher objects
@@ -758,60 +928,122 @@ void PartSet_SketcherMgr::stopSketch(ModuleBase_Operation* theOperation)
     }
   }
   else {
-  // Hide all sketcher sub-Objects
-  for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
-    FeaturePtr aFeature = myCurrentSketch->subFeature(i);
-    std::list<ResultPtr> aResults = aFeature->results();
+    // Hide all sketcher sub-Objects
+    for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
+      FeaturePtr aFeature = myCurrentSketch->subFeature(i);
+      std::list<ResultPtr> aResults = aFeature->results();
+      std::list<ResultPtr>::const_iterator aIt;
+      for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
+        (*aIt)->setDisplayed(false);
+      }
+      aFeature->setDisplayed(false);
+    }
+    // Display sketcher result
+    std::list<ResultPtr> aResults = myCurrentSketch->results();
     std::list<ResultPtr>::const_iterator aIt;
+    Events_Loop* aLoop = Events_Loop::loop();
+    static Events_ID aDispEvent = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                           (theOperation);
     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-      (*aIt)->setDisplayed(false);
+      if (!aFOperation->isDisplayedOnStart(*aIt)) {
+        (*aIt)->setDisplayed(true);
+        // this display event is needed because sketch already may have "displayed" state,
+        // but not displayed while it is still active (issue 613, abort of existing sketch)
+        ModelAPI_EventCreator::get()->sendUpdated(*aIt, aDispEvent);
+      }
     }
-    aFeature->setDisplayed(false);
-  }
-  // Display sketcher result
-  std::list<ResultPtr> aResults = myCurrentSketch->results();
-  std::list<ResultPtr>::const_iterator aIt;
-  for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-    (*aIt)->setDisplayed(true);
-  }
-  myCurrentSketch->setDisplayed(true);
+    if (!aFOperation->isDisplayedOnStart(myCurrentSketch))
+      myCurrentSketch->setDisplayed(true);
     
-  myCurrentSketch = CompositeFeaturePtr();
-  myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
-  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+    myCurrentSketch = CompositeFeaturePtr();
+
+    myModule->workshop()->viewer()->removeSelectionFilter(myCirclePointFilter);
+    myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
+
+    Events_Loop::loop()->flush(aDispEvent);
   }
   // restore the module selection modes, which were changed on startSketch
   aConnector->activateModuleSelectionModes();
+  aConnector->workshop()->displayer()->activateTrihedron(false);
 }
 
 void PartSet_SketcherMgr::startNestedSketch(ModuleBase_Operation* theOperation)
 {
-  if (constraintsIdList().contains(theOperation->id())) {
-    // Show constraints if a constraint was created
-    onShowConstraintsToggle(true);
+  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
+    }
   }
-  connectToPropertyPanel(true);
 }
 
-void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOp)
+void PartSet_SketcherMgr::stopNestedSketch(ModuleBase_Operation* theOperation)
 {
-  connectToPropertyPanel(false);
-  myIsPropertyPanelValueChanged = false;
   myIsMouseOverViewProcessed = true;
+  operationMgr()->onValidateOperation();
+  if (canChangeCursor(theOperation)) {
+    QApplication::restoreOverrideCursor();
+#ifdef DEBUG_CURSOR
+    qDebug("stopNestedSketch() : None");
+#endif
+  }
 }
 
 void PartSet_SketcherMgr::commitNestedSketch(ModuleBase_Operation* theOperation)
 {
   if (isNestedCreateOperation(theOperation)) {
-    FeaturePtr aFeature = theOperation->feature();
-    // it is necessary to check the the feature data validity because
-    // some kind of features are removed by an operation commit(the macro state of a feature)
-    if (aFeature.get() && aFeature->data()->isValid()) {
-      visualizeFeature(theOperation, true);
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                             (theOperation);
+    if (aFOperation) {
+      FeaturePtr aFeature = aFOperation->feature();
+      // it is necessary to check the the feature data validity because
+      // some kind of features are removed by an operation commit(the macro state of a feature)
+      if (aFeature.get() && aFeature->data()->isValid()) {
+        visualizeFeature(aFeature, aFOperation->isEditOperation(), true);
+      }
     }
   }
 }
 
+void PartSet_SketcherMgr::activatePlaneFilter(const bool& toActivate)
+{
+  if (toActivate)
+    myModule->workshop()->viewer()->addSelectionFilter(myPlaneFilter);
+  else
+    myModule->workshop()->viewer()->removeSelectionFilter(myPlaneFilter);
+}
+
+bool PartSet_SketcherMgr::operationActivatedByPreselection()
+{
+  bool isOperationStopped = false;
+  ModuleBase_Operation* anOperation = getCurrentOperation();
+  if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
+    // Set final definitions if they are necessary
+    //propertyPanelDefined(aOperation);
+    /// Commit sketcher operations automatically
+    /// distance operation are able to show popup editor to modify the distance value
+    /// after entering the value, the operation should be committed/aborted(by Esc key)
+    bool aCanCommitOperation = true;
+    ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                            (anOperation);
+    if (aFOperation && PartSet_SketcherMgr::isDistanceOperation(aFOperation))
+      aCanCommitOperation = setDistanceValueByPreselection(anOperation, myModule->workshop());
+
+    if (aCanCommitOperation)
+      isOperationStopped = anOperation->commit();
+    else {
+      anOperation->abort();
+      isOperationStopped = true;
+    }
+  }
+  return isOperationStopped;
+}
+
 bool PartSet_SketcherMgr::canUndo() const
 {
   return isNestedCreateOperation(getCurrentOperation());
@@ -822,6 +1054,28 @@ bool PartSet_SketcherMgr::canRedo() const
   return isNestedCreateOperation(getCurrentOperation());
 }
 
+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 aCanErase;
+}
+
 bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
 {
   bool aCanDisplay = true;
@@ -851,54 +1105,201 @@ bool PartSet_SketcherMgr::canDisplayObject(const ObjectPtr& theObject) const
   // 3. the method should not filter the objects, which are not related to the current operation.
   // The object is filtered just if it is a current operation feature or this feature result
   bool isObjectFound = false;
-  ModuleBase_Operation* anOperation = getCurrentOperation();
-  if (anOperation) {
-    FeaturePtr aFeature = anOperation->feature();
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                               (getCurrentOperation());
+  if (aFOperation) {
+    FeaturePtr aFeature = aFOperation->feature();
     if (aFeature.get()) {
       std::list<ResultPtr> aResults = aFeature->results();
       if (theObject == aFeature)
         isObjectFound = true;
       else {
         std::list<ResultPtr>::const_iterator anIt = aResults.begin(), aLast = aResults.end();
-        for (; anIt != aLast; anIt++) {
+        for (; anIt != aLast && !isObjectFound; anIt++) {
           isObjectFound = *anIt == theObject;
         }
       }
     }
   }
-  if (!isObjectFound) 
-    return aCanDisplay;
-  
-  // 4. For created nested feature operation do not display the created feature if
-  // the mouse curstor leaves the OCC window.
-  // The correction cases, which ignores this condition:
-  // a. the property panel values modification
-  // b. the popup menu activated
-  // c. widget editor control
-  #ifndef DEBUG_DO_NOT_BY_ENTER
-  if (aCanDisplay && isNestedCreateOperation(getCurrentOperation())) {
-    ModuleBase_Operation* aOperation = getCurrentOperation();
-    ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
-    ModuleBase_ModelWidget* anActiveWdg = aPanel ? aPanel->activeWidget() : 0;
-    ModuleBase_WidgetEditor* anEditorWdg = anActiveWdg ? dynamic_cast<ModuleBase_WidgetEditor*>(anActiveWdg) : 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
-      // of there was a value modified in the property panel after the mouse left the view
-      aCanDisplay = canDisplayCurrentCreatedFeature();
+  if (isObjectFound) {
+    // 4. For created nested feature operation do not display the created feature if
+    // the mouse curstor leaves the OCC window.
+    // The correction cases, which ignores this condition:
+    // a. the property panel values modification
+    // b. the popup menu activated
+    // c. widget editor control
+    #ifndef DEBUG_DO_NOT_BY_ENTER
+    if (aCanDisplay && isNestedCreateOperation(getCurrentOperation())) {
+      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.
+      if (!anEditorWdg && !myIsPopupMenuActive) {
+        // 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();
+      }
     }
+    #endif
   }
-  #endif
+
+  // checks the sketcher constraints visibility according to active sketch check box states
+  if (aCanDisplay) {
+    bool aProcessed = false;
+    FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
+    if (aFeature.get()) {
+      bool aConstraintDisplayed = canDisplayConstraint(aFeature, PartSet_Tools::Any, aProcessed);
+      if (aProcessed)
+        aCanDisplay = aConstraintDisplayed;
+    }
+  }
+
   return aCanDisplay;
 }
 
+bool PartSet_SketcherMgr::canDisplayConstraint(const FeaturePtr& theFeature,
+                                             const PartSet_Tools::ConstraintVisibleState& theState,
+                                             bool& isProcessed) const
+{
+  bool aSwitchedOn = true;
+
+  const QStringList& aConstrIds = constraintsIdList();
+
+  std::string aKind = theFeature->getKind();
+  if (aConstrIds.contains(QString(aKind.c_str()))) {
+    bool isTypedConstraint = false;
+
+    switch (theState) {
+      case PartSet_Tools::Dimensional: {
+        bool isDistance = isDistanceKind(aKind);
+        if (isDistance) {
+          isProcessed = true;
+          aSwitchedOn = myIsConstraintsShown[theState];
+        }
+      }
+      break;
+      case PartSet_Tools::Geometrical: {
+        bool isGeometrical = !isDistanceKind(aKind);
+        if (isGeometrical) {
+          isProcessed = true;
+          aSwitchedOn = myIsConstraintsShown[theState];
+        }
+      }
+      break;
+      case PartSet_Tools::Any: {
+        isProcessed = true;
+        bool isDistance = isDistanceKind(aKind);
+        if (isDistance)
+          aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Dimensional];
+        else
+          aSwitchedOn = myIsConstraintsShown[PartSet_Tools::Geometrical];
+      }
+      break;
+    default:
+      break;
+    }
+  }
+  return aSwitchedOn;
+}
+
+void PartSet_SketcherMgr::processHiddenObject(const std::list<ObjectPtr>& theObjects)
+{
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                           (getCurrentOperation());
+  if (aFOperation && myCurrentSketch.get()) {
+    // find results of the current operation
+    // these results should not be proposed to be deleted
+    FeaturePtr anOperationFeature = aFOperation->feature();
+    std::list<ResultPtr> anOperationResultList = anOperationFeature->results();
+    std::set<ResultPtr> anOperationResults;
+    std::list<ResultPtr>::const_iterator aRIt = anOperationResultList.begin(),
+                                        aRLast = anOperationResultList.end();
+    for (; aRIt != aRLast; aRIt++)
+      anOperationResults.insert(*aRIt);
+
+    std::set<FeaturePtr> anObjectsToBeDeleted;
+    QStringList anObjectsToBeDeletedNames;
+    std::list<ObjectPtr>::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
+    for (; anIt != aLast; anIt++) {
+      ObjectPtr anObject = *anIt;
+      bool aCanErase = true;
+      // when the sketch operation is active, results of sketch sub-feature can not be hidden
+      ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(anObject);
+      // the result is found between current feature results
+      if (anOperationResults.find(aResult) != anOperationResults.end())
+        continue;
+
+      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;
+          }
+        }
+      }
+      if (!aCanErase) {
+        FeaturePtr aFeature = ModelAPI_Feature::feature(anObject);
+        if (aFeature.get() && anObjectsToBeDeleted.find(aFeature) == anObjectsToBeDeleted.end()) {
+          anObjectsToBeDeleted.insert(aFeature);
+          anObjectsToBeDeletedNames.append(aFeature->name().c_str());
+        }
+      }
+    }
+    if (!anObjectsToBeDeleted.empty()) {
+      QString aFeatureNames = anObjectsToBeDeletedNames.join(", ");
+      QString aMessage = tr("The following features have incorrect presentation and \
+will be hidden: %1. Would you like to delete them?")
+                         .arg(aFeatureNames);
+      int anAnswer = QMessageBox::question(qApp->activeWindow(), tr("Features hide"),
+                                           aMessage, QMessageBox::Ok | QMessageBox::Cancel,
+                                           QMessageBox::Cancel);
+      if (anAnswer == QMessageBox::Ok) {
+        QObjectPtrList anObjects;
+        std::set<FeaturePtr>::const_iterator anIt = anObjectsToBeDeleted.begin(),
+                                             aLast = anObjectsToBeDeleted.end();
+        for (; anIt != aLast; anIt++)
+          anObjects.append(*anIt);
+        SessionPtr aMgr = ModelAPI_Session::get();
+        DocumentPtr aDoc = aMgr->activeDocument();
+        bool aIsOp = aMgr->isOperation();
+        if (!aIsOp)
+          aMgr->startOperation();
+        workshop()->deleteFeatures(anObjects);
+        //static Events_ID aDeletedEvent = Events_Loop::eventByName(EVENT_OBJECT_DELETED);
+        //static Events_ID aRedispEvent = Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY);
+        //Events_Loop::loop()->flush(aDeletedEvent);
+        //Events_Loop::loop()->flush(aRedispEvent);
+
+        if (!aIsOp)
+          aMgr->finishOperation();
+      }
+    }
+  }
+}
+
 bool PartSet_SketcherMgr::canDisplayCurrentCreatedFeature() const
 {
-  return myIsPropertyPanelValueChanged || myIsMouseOverWindow;
-#ifdef DEBUG_MOUSE_OVER_WINDOW_FLAGS
-  qDebug(QString("canDisplayCurrentCreatedFeature: %1").arg(mouseOverWindowFlagsInfo()).toStdString().c_str());
-#endif
+  bool aCanDisplay = myIsMouseOverWindow;
+  if (!aCanDisplay) {
+    ModuleBase_ModelWidget* anActiveWidget = getActiveWidget();
+    if (anActiveWidget)
+      aCanDisplay = anActiveWidget->getValueState() == ModuleBase_ModelWidget::Stored;
+  }
+  return aCanDisplay;
+}
+
+bool PartSet_SketcherMgr::canChangeCursor(ModuleBase_Operation* theOperation) const
+{
+  return isNestedCreateOperation(theOperation) ||
+         myModule->sketchReentranceMgr()->isInternalEditActive();
+}
+
+const QMap<PartSet_Tools::ConstraintVisibleState, bool>& PartSet_SketcherMgr::showConstraintStates()
+{
+  return myIsConstraintsShown;
 }
 
 bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
@@ -918,7 +1319,83 @@ bool PartSet_SketcherMgr::isObjectOfSketch(const ObjectPtr& theObject) const
 
 void PartSet_SketcherMgr::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
 {
-  myPlaneFilter->setPlane(thePln->impl<gp_Pln>());
+  if (myPlaneFilter.IsNull()) 
+   myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
+
+  myPlaneFilter->setPlane(thePln);
+}
+
+bool PartSet_SketcherMgr::setDistanceValueByPreselection(ModuleBase_Operation* theOperation,
+                                                         ModuleBase_IWorkshop* theWorkshop)
+{
+  bool isValueAccepted = false;
+
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                                              (theOperation);
+  FeaturePtr aFeature = aFOperation->feature();
+  // editor is shown only if all attribute references are filled by preseletion
+  bool anAllRefAttrInitialized = true;
+
+  std::list<AttributePtr> aRefAttrs = aFeature->data()->attributes(
+                                              ModelAPI_AttributeRefAttr::typeId());
+  std::list<AttributePtr>::const_iterator anIt = aRefAttrs.begin(), aLast = aRefAttrs.end();
+  for (; anIt != aLast && anAllRefAttrInitialized; anIt++) {
+    anAllRefAttrInitialized = (*anIt)->isInitialized();
+  }
+  if (anAllRefAttrInitialized) {
+    // Activate dimension value editing on double click
+    ModuleBase_IPropertyPanel* aPanel = aFOperation->propertyPanel();
+    QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
+    // Find corresponded widget to activate value editing
+    foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
+      if (aWgt->attributeID() == "ConstraintValue") {
+        // the featue should be displayed in order to find the AIS text position,
+        // the place where the editor will be shown
+        aFeature->setDisplayed(true);
+        /// the execute is necessary to perform in the feature compute for flyout position
+        aFeature->execute();
+
+        Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_CREATED));
+        Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+
+        PartSet_WidgetEditor* anEditor = dynamic_cast<PartSet_WidgetEditor*>(aWgt);
+        if (anEditor) {
+          int aX = 0, anY = 0;
+
+          XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(theWorkshop);
+          XGUI_Displayer* aDisplayer = aWorkshop->displayer();
+          AISObjectPtr anAIS = aDisplayer->getAISObject(aFeature);
+          Handle(AIS_InteractiveObject) anAISIO;
+          if (anAIS.get() != NULL) {
+            anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
+          }
+          if (anAIS.get() != NULL) {
+            Handle(AIS_InteractiveObject) anAISIO = anAIS->impl<Handle(AIS_InteractiveObject)>();
+
+            if (!anAISIO.IsNull()) {
+              Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAISIO);
+              if (!aDim.IsNull()) {
+                gp_Pnt aPosition = aDim->GetTextPosition();
+
+                ModuleBase_IViewer* aViewer = aWorkshop->viewer();
+                Handle(V3d_View) aView = aViewer->activeView();
+                int aCX, aCY;
+                aView->Convert(aPosition.X(), aPosition.Y(), aPosition.Z(), aCX, aCY);
+
+                QWidget* aViewPort = aViewer->activeViewPort();
+                QPoint aGlPoint = aViewPort->mapToGlobal(QPoint(aCX, aCY));
+                aX = aGlPoint.x();
+                anY = aGlPoint.y();
+              }
+            }
+            anEditor->setCursorPosition(aX, anY);
+            isValueAccepted = anEditor->showPopupEditor(false);
+          }
+        }
+      }
+    }
+  }
+  return isValueAccepted;
 }
 
 void PartSet_SketcherMgr::getCurrentSelection(const FeaturePtr& theFeature,
@@ -934,42 +1411,35 @@ void PartSet_SketcherMgr::getCurrentSelection(const FeaturePtr& theFeature,
 
   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
   Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
-  XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
+  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())
+    std::list<ResultPtr> aResults = theFeature->results();
+    std::list<ResultPtr>::const_iterator aIt;
+    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt)
     {
-      Handle(StdSelect_BRepOwner) aBRepOwner = Handle(StdSelect_BRepOwner)::DownCast(
-                                                                      aContext->SelectedOwner());
-      if (aBRepOwner.IsNull())
+      ResultPtr aResult = *aIt;
+      AISObjectPtr aAISObj = aDisplayer->getAISObject(aResult);
+      if (aAISObj.get() == NULL)
         continue;
-      Handle(AIS_InteractiveObject) anIO = Handle(AIS_InteractiveObject)::DownCast(
-                                                                        aBRepOwner->Selectable());
-      if (anIO != anAISIO)
-        continue;
-
-      if (aBRepOwner->HasShape()) {
-        const TopoDS_Shape& aShape = aBRepOwner->Shape();
-        TopAbs_ShapeEnum aShapeType = aShape.ShapeType();
-        if (aShapeType == TopAbs_VERTEX) {
-          AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature,
-                                                                        aShape, theSketch);
-          if (aPntAttr.get() != NULL)
-            aSelectedAttributes.insert(aPntAttr);
-        }
-        else if (aShapeType == TopAbs_EDGE &&
-                 aSelectedResults.find(aResult) == aSelectedResults.end()) {
-          aSelectedResults.insert(aResult);
-        }
+      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);
       }
     }
   }
@@ -980,7 +1450,7 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
                                              const FeaturePtr& theSketch,
                                              ModuleBase_IWorkshop* theWorkshop,
                                              const FeatureToSelectionMap& theSelection,
-                                             SelectMgr_IndexedMapOfOwner& anOwnersToSelect)
+                                             SelectMgr_IndexedMapOfOwner& theOwnersToSelect)
 {
   if (theFeature.get() == NULL)
     return;
@@ -990,7 +1460,7 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
   std::set<ResultPtr> aSelectedResults = anIt.value().second;
 
   ModuleBase_IViewer* aViewer = theWorkshop->viewer();
-  Handle(AIS_InteractiveContext) aContext = aViewer->AISContext();
+
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWorkshop);
   XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
 
@@ -999,12 +1469,12 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
   if (aAISObj.get() != NULL && aSelectedAttributes.empty() && aSelectedResults.empty()) {
     Handle(AIS_InteractiveObject) anAISIO = aAISObj->impl<Handle(AIS_InteractiveObject)>();
 
-    SelectMgr_IndexedMapOfOwner aSelectedOwners;  
+    SelectMgr_IndexedMapOfOwner aSelectedOwners;
     aConnector->workshop()->selector()->selection()->entityOwners(anAISIO, aSelectedOwners);
     for  (Standard_Integer i = 1, n = aSelectedOwners.Extent(); i <= n; i++) {
       Handle(SelectMgr_EntityOwner) anOwner = aSelectedOwners(i);
       if (!anOwner.IsNull())
-        anOwnersToSelect.Add(anOwner);
+        theOwnersToSelect.Add(anOwner);
     }
   }
 
@@ -1031,52 +1501,78 @@ void PartSet_SketcherMgr::getSelectionOwners(const FeaturePtr& theFeature,
         AttributePtr aPntAttr = PartSet_Tools::findAttributeBy2dPoint(theFeature, aShape, theSketch);
         if (aPntAttr.get() != NULL &&
             aSelectedAttributes.find(aPntAttr) != aSelectedAttributes.end()) {
-          anOwnersToSelect.Add(anOwner);
+          theOwnersToSelect.Add(anOwner);
         }
       }
       else if (aShapeType == TopAbs_EDGE) {
         bool aFound = aSelectedResults.find(aResult) != aSelectedResults.end();
         if (aSelectedResults.find(aResult) != aSelectedResults.end() &&
-            anOwnersToSelect.FindIndex(anOwner) <= 0)
-          anOwnersToSelect.Add(anOwner);
+            theOwnersToSelect.FindIndex(anOwner) <= 0)
+          theOwnersToSelect.Add(anOwner);
       }
     }
   }
 }
 
-void PartSet_SketcherMgr::connectToPropertyPanel(const bool isToConnect)
+void PartSet_SketcherMgr::connectToPropertyPanel(ModuleBase_ModelWidget* theWidget, const bool isToConnect)
 {
-  ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
-  XGUI_Workshop* aWorkshop = aConnector->workshop();
-  XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
-  if (aPropertyPanel) {
-    const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
-    foreach (ModuleBase_ModelWidget* aWidget, aWidgets) {
-      if (isToConnect) {
-        connect(aWidget, SIGNAL(beforeValuesChanged()),
+  if (isToConnect) {
+    connect(theWidget, SIGNAL(beforeValuesChanged()),
+            this, SLOT(onBeforeValuesChangedInPropertyPanel()));
+    connect(theWidget, SIGNAL(afterValuesChanged()),
+            this, SLOT(onAfterValuesChangedInPropertyPanel()));
+  }
+  else {
+    disconnect(theWidget, SIGNAL(beforeValuesChanged()),
                 this, SLOT(onBeforeValuesChangedInPropertyPanel()));
-        connect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChangedInPropertyPanel()));
-        connect(aWidget, SIGNAL(afterValuesChanged()),
+    disconnect(theWidget, SIGNAL(afterValuesChanged()),
                 this, SLOT(onAfterValuesChangedInPropertyPanel()));
-      }
-      else {
-        disconnect(aWidget, SIGNAL(beforeValuesChanged()),
-                   this, SLOT(onBeforeValuesChangedInPropertyPanel()));
-        disconnect(aWidget, SIGNAL(valuesChanged()), this, SLOT(onValuesChangedInPropertyPanel()));
-        disconnect(aWidget, SIGNAL(afterValuesChanged()),
-                   this, SLOT(onAfterValuesChangedInPropertyPanel()));
-      }
+  }
+}
+
+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) &&
+        thePreviousState == ModuleBase_ModelWidget::ModifiedInPP) {
+      FeaturePtr aFeature = aFOperation->feature();
+      visualizeFeature(aFeature, aFOperation->isEditOperation(), canDisplayObject(aFeature));
     }
   }
 }
 
+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]);
+}
+
 ModuleBase_Operation* PartSet_SketcherMgr::getCurrentOperation() const
 {
   return myModule->workshop()->currentOperation();
 }
 
-void PartSet_SketcherMgr::visualizeFeature(ModuleBase_Operation* theOperation,
+//**************************************************************
+ModuleBase_ModelWidget* PartSet_SketcherMgr::getActiveWidget() const
+{
+  ModuleBase_ModelWidget* aWidget = 0;
+  ModuleBase_Operation* anOperation = getCurrentOperation();
+  if (anOperation) {
+    ModuleBase_IPropertyPanel* aPanel = anOperation->propertyPanel();
+    if (aPanel)
+      aWidget = aPanel->activeWidget();
+  }
+  return aWidget;
+}
+
+void PartSet_SketcherMgr::visualizeFeature(const FeaturePtr& theFeature,
+                                           const bool isEditOperation,
                                            const bool isToDisplay,
                                            const bool isFlushRedisplay)
 {
@@ -1084,7 +1580,7 @@ void PartSet_SketcherMgr::visualizeFeature(ModuleBase_Operation* theOperation,
   return;
   #endif
 
-  if (!theOperation || theOperation->isEditOperation())
+  if (isEditOperation || !theFeature.get())
     return;
 
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
@@ -1092,12 +1588,12 @@ void PartSet_SketcherMgr::visualizeFeature(ModuleBase_Operation* theOperation,
 
   // 1. change visibility of the object itself, here the presentable object is processed,
   // e.g. constraints features
-  FeaturePtr aFeature = theOperation->feature();
-  std::list<ResultPtr> aResults = aFeature->results();
+  //FeaturePtr aFeature = aFOperation->feature();
+  std::list<ResultPtr> aResults = theFeature->results();
   if (isToDisplay)
-    aFeature->setDisplayed(true);
+    theFeature->setDisplayed(true);
   else
-    aFeature->setDisplayed(false);
+    theFeature->setDisplayed(false);
 
   // change visibility of the object results, e.g. non-constraint features
   std::list<ResultPtr>::const_iterator aIt;
@@ -1115,34 +1611,38 @@ void PartSet_SketcherMgr::visualizeFeature(ModuleBase_Operation* theOperation,
 
 void PartSet_SketcherMgr::storeSelection(const bool theHighlightedOnly)
 {
+  if (!myCurrentSketch.get())
+    return;
+
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   ModuleBase_ISelection* aSelect = aWorkshop->selection();
-  QList<ModuleBase_ViewerPrs> aHighlighted = aSelect->getHighlighted();
-    
-  QMap<FeaturePtr, QList<AttributePtr> > aFeature2AttributeMap;
+  QList<ModuleBase_ViewerPrsPtr> aHighlighted = aSelect->getHighlighted();
+
+  QList<FeaturePtr> aFeatureList;
   if (theHighlightedOnly) {
-    fillFeature2Attribute(aHighlighted, aFeature2AttributeMap, myCurrentSketch);
+    fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
   }
   else {
-    fillFeature2Attribute(aHighlighted, aFeature2AttributeMap, myCurrentSketch);
+    fillFeatureList(aHighlighted, myCurrentSketch, aFeatureList);
 
-    QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
-    fillFeature2Attribute(aSelected, aFeature2AttributeMap, myCurrentSketch);
+    QList<ModuleBase_ViewerPrsPtr> aSelected = aSelect->getSelected(ModuleBase_ISelection::AllControls);
+    fillFeatureList(aSelected, myCurrentSketch, aFeatureList);
   }
 
   // 1. it is necessary to save current selection in order to restore it after the features moving
   myCurrentSelection.clear();
-  QMap<FeaturePtr, QList<AttributePtr> >::const_iterator anIt = aFeature2AttributeMap.begin(),
-                                                         aLast = aFeature2AttributeMap.end();
+  QList<FeaturePtr>::const_iterator anIt = aFeatureList.begin(), aLast = aFeatureList.end();
   for (; anIt != aLast; anIt++) {
-    FeaturePtr aFeature = anIt.key();
-    getCurrentSelection(aFeature, myCurrentSketch, aWorkshop, myCurrentSelection);
+    getCurrentSelection(*anIt, myCurrentSketch, aWorkshop, myCurrentSelection);
   }
   //qDebug(QString("  storeSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
 }
 
 void PartSet_SketcherMgr::restoreSelection()
 {
+  if (!myCurrentSketch.get())
+    return;
+
   //qDebug(QString("restoreSelection: %1").arg(myCurrentSelection.size()).toStdString().c_str());
   ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
@@ -1157,33 +1657,59 @@ void PartSet_SketcherMgr::restoreSelection()
   }
 }
 
-void PartSet_SketcherMgr::onShowConstraintsToggle(bool theOn)
+void PartSet_SketcherMgr::onShowConstraintsToggle(int theType, bool theState)
 {
-  if (myIsConstraintsShown == theOn)
-    return;
-  if (myCurrentSketch.get() == NULL)
-    return;
+  PartSet_Tools::ConstraintVisibleState aType = (PartSet_Tools::ConstraintVisibleState)theType;
 
-  myIsConstraintsShown = theOn;
+  updateBySketchParameters(aType, theState);
+}
 
-  ModuleBase_IWorkshop* aWorkshop = myModule->workshop();
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(aWorkshop);
+void PartSet_SketcherMgr::updateBySketchParameters(
+                                   const PartSet_Tools::ConstraintVisibleState& theType,
+                                   bool theState)
+{
+  if (myCurrentSketch.get() == NULL)
+    return;
 
-  const QStringList& aConstrIds = constraintsIdList();
-  for (int i = 0; i < myCurrentSketch->numberOfSubs(); i++) {
-    FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
-    if (aConstrIds.contains(QString(aSubFeature->getKind().c_str()))) {
-      if (myIsConstraintsShown) 
-        aSubFeature->setDisplayed(true);
-      else
-        aSubFeature->setDisplayed(false);
+  bool aPrevState = myIsConstraintsShown[theType];
+  myIsConstraintsShown[theType] = theState;
+
+  switch (theType) {
+    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++) {
+          FeaturePtr aSubFeature = myCurrentSketch->subFeature(i);
+          bool aProcessed = false;
+          bool aConstraintDisplayed = canDisplayConstraint(aSubFeature, theType, aProcessed);
+          if (aProcessed)
+            aSubFeature->setDisplayed(aConstraintDisplayed);
+        }
+        Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
+      }
     }
+    break;
+    case PartSet_Tools::Expressions: {
+      /// call all sketch features redisplay, the expression state will be corrected in customize
+      /// of distance presentation
+      Events_ID anEventId = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
+      PartSet_Tools::sendSubFeaturesEvent(myCurrentSketch, anEventId);
+    }
+    break;
   }
-  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_TO_REDISPLAY));
 }
 
-QString PartSet_SketcherMgr::mouseOverWindowFlagsInfo() const
+XGUI_Workshop* PartSet_SketcherMgr::workshop() const
+{
+  ModuleBase_IWorkshop* anIWorkshop = myModule->workshop();
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(anIWorkshop);
+  return aConnector->workshop();
+}
+
+XGUI_OperationMgr* PartSet_SketcherMgr::operationMgr() const
 {
-  return QString("myIsPropertyPanelValueChanged = %1,    myIsMouseOverWindow = %2")
-     .arg(myIsPropertyPanelValueChanged).arg(myIsMouseOverWindow);
+  return workshop()->operationMgr();
 }
+