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Issue #1660 Ability to change the deflection coefficient
[modules/shaper.git] / src / ModuleBase / ModuleBase_Tools.cpp
index d2009ac41fc63f31006a51439d9916eb51e71362..6ca02d6acd6cea45a69c99366a96f59377920fb5 100755 (executable)
@@ -5,31 +5,95 @@
 // Author:      Vitaly Smetannikov
 
 #include "ModuleBase_Tools.h"
+
+#include <ModuleBase_ParamIntSpinBox.h>
 #include <ModuleBase_ParamSpinBox.h>
+#include <ModuleBase_WidgetFactory.h>
+#include <ModuleBase_IWorkshop.h>
+#include <ModuleBase_IModule.h>
+#include <ModuleBase_IconFactory.h>
+#include <ModuleBase_ResultPrs.h>
 
-#include <ModelAPI_Result.h>
-#include <ModelAPI_Data.h>
 #include <ModelAPI_Attribute.h>
 #include <ModelAPI_AttributeRefAttr.h>
-#include <ModelAPI_ResultParameter.h>
+#include <ModelAPI_AttributeReference.h>
+#include <ModelAPI_AttributeSelection.h>
+#include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_AttributeRefList.h>
+#include <ModelAPI_AttributeRefAttrList.h>
+#include <ModelAPI_ResultPart.h>
+#include <ModelAPI_ResultConstruction.h>
+#include <Events_Loop.h>
+
+#include <ModelAPI_Data.h>
+#include <ModelAPI_Result.h>
 #include <ModelAPI_ResultCompSolid.h>
+#include <ModelAPI_ResultParameter.h>
 #include <ModelAPI_Tools.h>
+#include <ModelAPI_Session.h>
+#include <ModelAPI_Events.h>
+
+#include <TopoDS_Iterator.hxx>
 
 #include <GeomDataAPI_Point2D.h>
-#include <Events_Error.h>
+#include <Events_InfoMessage.h>
+#include <GeomAPI_ShapeExplorer.h>
 
 #include <Config_PropManager.h>
+#include <Config_Translator.h>
+
+#include <Prs3d_PointAspect.hxx>
+#include <Graphic3d_AspectMarker3d.hxx>
+
+#include <Image_AlienPixMap.hxx>
 
 #include <QWidget>
 #include <QLayout>
 #include <QPainter>
 #include <QBitmap>
 #include <QDoubleSpinBox>
+#include <QGraphicsDropShadowEffect>
+#include <QColor>
+#include <QApplication>
+#include <QMessageBox>
+#include <QAction>
+#include <QTextCodec>
 
 #include <sstream>
+#include <string>
+
+#ifdef WIN32
+#pragma warning(disable : 4996) // for getenv
+#endif
 
 const double tolerance = 1e-7;
+const double DEFAULT_DEVIATION_COEFFICIENT = 1.e-4;
+
+//#define DEBUG_ACTIVATE_WINDOW
+//#define DEBUG_SET_FOCUS
+//#define DEBUG_SELECTION_INFO
 
+#ifdef DEBUG_SELECTION_INFO
+#include <ModuleBase_ISelection.h>
+#include <ModuleBase_ViewerPrs.h>
+
+#include <AIS_InteractiveContext.hxx>
+#include <AIS_ListOfInteractive.hxx>
+#include <AIS_ListIteratorOfListOfInteractive.hxx>
+#include <AIS_Shape.hxx>
+#include <TopoDS_Shape.hxx>
+#include <AIS_LocalContext.hxx>
+#include <NCollection_List.hxx>
+#include <StdSelect_BRepOwner.hxx>
+#include <TColStd_ListOfInteger.hxx>
+#include <TColStd_ListIteratorOfListOfInteger.hxx>
+#endif
+
+#ifdef WIN32
+# define FSEP "\\"
+#else
+# define FSEP "/"
+#endif
 
 namespace ModuleBase_Tools {
 
@@ -67,9 +131,44 @@ void zeroMargins(QLayout* theLayout)
   theLayout->setSpacing(5);
 }
 
+void activateWindow(QWidget* theWidget, const QString& theInfo)
+{
+  theWidget->activateWindow();
+
+#ifdef DEBUG_ACTIVATE_WINDOW
+  qDebug(QString("activateWindow: %1").arg(theInfo).toStdString().c_str());
+#endif
+}
+
+void setFocus(QWidget* theWidget, const QString& theInfo)
+{
+  theWidget->setFocus();
+
+#ifdef DEBUG_SET_FOCUS
+  qDebug(QString("setFocus: %1").arg(theInfo).toStdString().c_str());
+#endif
+}
+
+void setShadowEffect(QWidget* theWidget, const bool isSetEffect)
+{
+  if (isSetEffect) {
+    QGraphicsDropShadowEffect* aGlowEffect = new QGraphicsDropShadowEffect();
+    aGlowEffect->setOffset(.0);
+    aGlowEffect->setBlurRadius(10.0);
+    aGlowEffect->setColor(QColor(0, 170, 255)); // Light-blue color, #00AAFF
+    theWidget->setGraphicsEffect(aGlowEffect);
+  }
+  else {
+    QGraphicsEffect* anEffect = theWidget->graphicsEffect();
+    if(anEffect)
+      anEffect->deleteLater();
+    theWidget->setGraphicsEffect(NULL);
+  }
+}
+
 QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon)
 {
-  QImage anIcon(theIcon);
+  QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
   QImage anAditional(theAdditionalIcon);
 
   if (anIcon.isNull())
@@ -97,22 +196,22 @@ QPixmap composite(const QString& theAdditionalIcon, const QString& theIcon)
 
 QPixmap lighter(const QString& theIcon, const int theLighterValue)
 {
-  QImage anIcon(theIcon);
+  QImage anIcon = ModuleBase_IconFactory::loadImage(theIcon);
   if (anIcon.isNull())
     return QPixmap();
 
-  QImage aResult(theIcon);
-  for ( int i = 0; i < anIcon.width(); i++ )
+  QImage aResult = ModuleBase_IconFactory::loadImage(theIcon);
+  for (int i = 0; i < anIcon.width(); i++)
   {
-    for ( int j = 0; j < anIcon.height(); j++ )
+    for (int j = 0; j < anIcon.height(); j++)
     {
-      QRgb anRgb = anIcon.pixel( i, j );
+      QRgb anRgb = anIcon.pixel(i, j);
       QColor aPixelColor(qRed(anRgb), qGreen(anRgb), qBlue(anRgb),
-                         qAlpha( aResult.pixel( i, j ) ));
+                         qAlpha(aResult.pixel(i, j)));
 
       QColor aLighterColor = aPixelColor.lighter(theLighterValue);
-      aResult.setPixel(i, j, qRgba( aLighterColor.red(), aLighterColor.green(),
-                                    aLighterColor.blue(), aLighterColor.alpha() ) );
+      aResult.setPixel(i, j, qRgba(aLighterColor.red(), aLighterColor.green(),
+                                    aLighterColor.blue(), aLighterColor.alpha()));
     }
   }
   return QPixmap::fromImage(aResult);
@@ -147,6 +246,41 @@ void setSpinValue(ModuleBase_ParamSpinBox* theSpin, double theValue)
   theSpin->blockSignals(isBlocked);
 }
 
+void setSpinText(ModuleBase_ParamIntSpinBox* theSpin, const QString& theText)
+{
+  // In order to avoid extra text setting because it will
+  // reset cursor position in control
+  if (theSpin->text() == theText)
+    return;
+  bool isBlocked = theSpin->blockSignals(true);
+  theSpin->setText(theText);
+  theSpin->blockSignals(isBlocked);
+}
+
+void setSpinValue(ModuleBase_ParamIntSpinBox* theSpin, int theValue)
+{
+  if (theSpin->value() == theValue)
+    return;
+  bool isBlocked = theSpin->blockSignals(true);
+  theSpin->setValue(theValue);
+  theSpin->blockSignals(isBlocked);
+}
+
+QAction* createAction(const QIcon& theIcon, const QString& theText,
+                      QObject* theParent, const QObject* theReceiver,
+                      const char* theMember, const QString& theToolTip,
+                      const QString& theStatusTip)
+{
+  QAction* anAction = new QAction(theIcon, theText, theParent);
+  anAction->setToolTip(theToolTip.isEmpty() ? theText : theToolTip);
+  anAction->setStatusTip(!theStatusTip.isEmpty() ? theStatusTip :
+                                                   (!theToolTip.isEmpty() ? theToolTip : theText));
+  if (theReceiver)
+    QObject::connect(anAction, SIGNAL(triggered(bool)), theReceiver, theMember);
+
+  return anAction;
+}
+
 QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
 {
   QString aFeatureStr = "feature";
@@ -175,7 +309,7 @@ QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
   if (aFeature.get()) {
     aFeatureStr.append(QString(": %1").arg(aFeature->getKind().c_str()).toStdString().c_str());
     if (aFeature->data()->isValid()) {
-      aFeatureStr.append(QString(", name=%1").arg(aFeature->data()->name().c_str()).toStdString()
+      aFeatureStr.append(QString(", name=%1").arg(theObj->data()->name().c_str()).toStdString()
                                                                                        .c_str());
     }
     if (isUseAttributesInfo) {
@@ -205,57 +339,302 @@ QString objectInfo(const ObjectPtr& theObj, const bool isUseAttributesInfo)
   return aFeatureStr;
 }
 
-typedef QMap<QString, TopAbs_ShapeEnum> ShapeTypes;
-static ShapeTypes MyShapeTypes;
+#ifdef DEBUG_SELECTION_INFO
+QString getShapeTypeInfo(const int theType)
+{
+  QString anInfo = "Undefined";
+  switch(theType) {
+    case TopAbs_COMPOUND:  anInfo = "compound"; break;
+    case TopAbs_COMPSOLID: anInfo = "compsolid"; break;
+    case TopAbs_SOLID:     anInfo = "solid"; break;
+    case TopAbs_SHELL:     anInfo = "shell"; break;
+    case TopAbs_FACE:      anInfo = "face"; break;
+    case TopAbs_WIRE:      anInfo = "wire"; break;
+    case TopAbs_EDGE:      anInfo = "edge"; break;
+    case TopAbs_VERTEX:    anInfo = "vertex"; break;
+    case TopAbs_SHAPE:     anInfo = "shape"; break;
+    case ModuleBase_ResultPrs::Sel_Result:
+                           anInfo = "result_shape"; break;
+    default: break;
+  }
+  return anInfo;
+}
+
+QString getModeInfo(const int theMode)
+{
+  QString anInfo = "Undefined";
+  switch(theMode) {
+    case 0: anInfo = "SHAPE(0)"; break;
+    case 1: anInfo = "VERTEX(1)"; break;
+    case 2: anInfo = "EDGE(2)"; break;
+    case 3: anInfo = "WIRE(3)"; break;
+    case 4: anInfo = "FACE(4)"; break;
+    case 5: anInfo = "SHELL(5)"; break;
+    case 6: anInfo = "SOLID(6)"; break;
+    case 7: anInfo = "COMPSOLID(7)"; break;
+    case 8: anInfo = "COMPOUND(8)"; break;
+    case 100: anInfo = "Sel_Mode_First(100)"; break; //SketcherPrs_Tools
+    case 101: anInfo = "Sel_Constraint(101)"; break;
+    case 102: anInfo = "Sel_Dimension_All(102)"; break;
+    case 103: anInfo = "Sel_Dimension_Line(103)"; break;
+    case 104: anInfo = "Sel_Dimension_Text(104)"; break;
+    default: break;
+  }
+  return anInfo;
+}
+
+QString displayedInteractiveObjects(Handle(AIS_InteractiveContext)& theContext,
+                                    const bool theShapeInfoOnly = true)
+{
+  if (theContext.IsNull())
+    return "";
+  AIS_ListOfInteractive aListOfIO;
+  theContext->DisplayedObjects(aListOfIO, false);
+  QStringList anObjects;
+  AIS_ListIteratorOfListOfInteractive aIt;
+  for (aIt.Initialize(aListOfIO); aIt.More(); aIt.Next()) {
+    Handle(AIS_InteractiveObject) anAISIO = aIt.Value();
+    Handle(AIS_Shape) aShapePrs = Handle(AIS_Shape)::DownCast(anAISIO);
+    if (theShapeInfoOnly && aShapePrs.IsNull())
+      continue;
+
+    QString anInfo = "IO";
+    std::ostringstream aPtrStr;
+    aPtrStr << "[" << anAISIO.Access() << "]";
+    anInfo += aPtrStr.str().c_str();
+
+    if (!aShapePrs.IsNull()) {
+      const TopoDS_Shape& aShape = aShapePrs->Shape();
+      if (aShape.IsNull()) {
+        //Events_Error::throwException("An empty AIS presentation");
+      }
+      else
+        anInfo += QString(", shape type: %1").arg(getShapeTypeInfo(aShape.ShapeType()));
+    }
+    TColStd_ListOfInteger aTColModes;
+    theContext->ActivatedModes(anAISIO, aTColModes);
+    TColStd_ListIteratorOfListOfInteger itr( aTColModes );
+    QIntList aModesActivatedForIO;
+    bool isDeactivated = false;
+    QStringList aModes;
+    for (; itr.More(); itr.Next() ) {
+      Standard_Integer aMode = itr.Value();
+      aModes.append(getModeInfo(aMode));
+      //int aShapeMode = (aMode > 8)? aMode : AIS_Shape::SelectionType(aMode);
+    }
+    if (aModes.size() > 0)
+      anInfo += QString(", activated modes: %1").arg(aModes.join(", "));
+
+    anObjects += anInfo;
+  }
+  QString aValue = QString("displayedIO[%1]").arg(anObjects.size());
+  if (anObjects.size() > 0)
+    aValue += QString(":\n  %1").arg(anObjects.join("\n  "));
+  return aValue;
+}
+
+QString activeOwners(Handle(AIS_InteractiveContext)& theContext, const bool theShapeInfoOnly = true)
+{
+  if (theContext.IsNull())
+    return "";
+  Handle(AIS_LocalContext) aLContext = theContext->LocalContext();
+  TCollection_AsciiString aSelectionName = aLContext->SelectionName();
+  aLContext->UnhilightPicked(Standard_False);
+
+  NCollection_List<Handle(SelectBasics_EntityOwner)> anActiveOwners;
+  aLContext->MainSelector()->ActiveOwners(anActiveOwners);
+  NCollection_List<Handle(SelectBasics_EntityOwner)>::Iterator anOwnersIt (anActiveOwners);
+  Handle(SelectMgr_EntityOwner) anOwner;
+  QStringList anObjects;
+  for (; anOwnersIt.More(); anOwnersIt.Next()) {
+    anOwner = Handle(SelectMgr_EntityOwner)::DownCast (anOwnersIt.Value());
+    Handle(StdSelect_BRepOwner) BROwnr = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
+    if (theShapeInfoOnly && BROwnr.IsNull())
+      continue;
+
+    QString anInfo = "Owner";
+    std::ostringstream aPtrStr;
+    aPtrStr << "[" << anOwner.Access() << "]";
+    anInfo += aPtrStr.str().c_str();
+
+    Handle(AIS_InteractiveObject) aAISObj = 
+          Handle(AIS_InteractiveObject)::DownCast(anOwner->Selectable());
+    if (!aAISObj.IsNull()) {
+      std::ostringstream aPtrStr;
+      aPtrStr << "[" << aAISObj.Access() << "]";
+      anInfo += QString(", selectable(IO): %1").arg(aPtrStr.str().c_str());
+    }
 
-TopAbs_ShapeEnum shapeType(const QString& theType)
+    if (!BROwnr.IsNull() && BROwnr->HasShape()) {
+      const TopoDS_Shape& aShape = BROwnr->Shape();
+      if (aShape.IsNull()) {
+        //Events_Error::throwException("An empty AIS presentation");
+      }
+      else
+        anInfo += QString(", shape type: %1").arg(getShapeTypeInfo(aShape.ShapeType()));
+    }
+    anObjects += anInfo;
+  }
+  QString aValue = QString("activeOwners[%1]").arg(anObjects.size());
+  if (anObjects.size() > 0)
+    aValue += QString(":\n  %1").arg(anObjects.join("\n  "));
+  return aValue;
+}
+
+QString selectedOwners(Handle(AIS_InteractiveContext)& theContext, const bool theShapeInfoOnly = true)
 {
-  if (MyShapeTypes.count() == 0) {
-    MyShapeTypes["face"] = TopAbs_FACE;
-    MyShapeTypes["faces"] = TopAbs_FACE;
-    MyShapeTypes["vertex"] = TopAbs_VERTEX;
-    MyShapeTypes["vertices"] = TopAbs_VERTEX;
-    MyShapeTypes["wire"] = TopAbs_WIRE;
-    MyShapeTypes["edge"] = TopAbs_EDGE;
-    MyShapeTypes["edges"] = TopAbs_EDGE;
-    MyShapeTypes["shell"] = TopAbs_SHELL;
-    MyShapeTypes["solid"] = TopAbs_SOLID;
-    MyShapeTypes["solids"] = TopAbs_SOLID;
-    MyShapeTypes["objects"] = TopAbs_SHAPE;
+  QStringList anObjects;
+  if (theContext.IsNull())
+    return "";
+
+  QList<long> aSelectedIds; // Remember of selected address in order to avoid duplicates
+  for (theContext->InitSelected(); theContext->MoreSelected(); theContext->NextSelected()) {
+    Handle(SelectMgr_EntityOwner) anOwner = theContext->SelectedOwner();
+    Handle(StdSelect_BRepOwner) BROwnr = Handle(StdSelect_BRepOwner)::DownCast(anOwner);
+    if (theShapeInfoOnly && BROwnr.IsNull())
+      continue;
+
+    if (aSelectedIds.contains((long)anOwner.Access()))
+      continue;
+    aSelectedIds.append((long)anOwner.Access());
+
+    QString anInfo = "Owner";
+    std::ostringstream aPtrStr;
+    aPtrStr << "[" << anOwner.Access() << "]";
+    anInfo += aPtrStr.str().c_str();
+
+    if (!BROwnr.IsNull() && BROwnr->HasShape()) {
+      const TopoDS_Shape& aShape = BROwnr->Shape();
+      anInfo += QString(", shape type = %1").arg(getShapeTypeInfo(aShape.ShapeType()));
+    }
+    anObjects += anInfo;
+  }
+  QString aValue = QString("selectedOwners[%1]").arg(anObjects.size());
+  if (anObjects.size() > 0)
+    aValue += QString(":\n  %1").arg(anObjects.join("\n  "));
+  return aValue;
+}
+#endif
+
+void selectionInfo(Handle(AIS_InteractiveContext)& theContext, const std::string& thePrefix)
+{
+#ifdef DEBUG_SELECTION_INFO
+  QString aValue = QString("\n\n\nDEBUG_SELECTION_INFO for '%1'\n%2\n%3\n%4")
+                                              .arg(thePrefix.c_str())
+                                              .arg(displayedInteractiveObjects(theContext))
+                                              .arg(activeOwners(theContext))
+                                              .arg(selectedOwners(theContext));
+  qDebug(aValue.toStdString().c_str());
+#endif
+}
+
+typedef QMap<QString, int> ShapeTypes;
+static ShapeTypes myShapeTypes;
+
+int shapeType(const QString& theType)
+{
+  if (myShapeTypes.count() == 0) {
+    myShapeTypes["compound"]   = TopAbs_COMPOUND;
+    myShapeTypes["compounds"]  = TopAbs_COMPOUND;
+    myShapeTypes["compsolid"]  = TopAbs_COMPSOLID;
+    myShapeTypes["compsolids"] = TopAbs_COMPSOLID;
+    myShapeTypes["solid"]      = TopAbs_SOLID;
+    myShapeTypes["solids"]     = TopAbs_SOLID;
+    myShapeTypes["shell"]      = TopAbs_SHELL;
+    myShapeTypes["shells"]     = TopAbs_SHELL;
+    myShapeTypes["face"]       = TopAbs_FACE;
+    myShapeTypes["faces"]      = TopAbs_FACE;
+    myShapeTypes["wire"]       = TopAbs_WIRE;
+    myShapeTypes["wires"]      = TopAbs_WIRE;
+    myShapeTypes["edge"]       = TopAbs_EDGE;
+    myShapeTypes["edges"]      = TopAbs_EDGE;
+    myShapeTypes["vertex"]     = TopAbs_VERTEX;
+    myShapeTypes["vertices"]   = TopAbs_VERTEX;
+    myShapeTypes["object"]     = ModuleBase_ResultPrs::Sel_Result;
+    myShapeTypes["objects"]    = ModuleBase_ResultPrs::Sel_Result;
   }
   QString aType = theType.toLower();
-  if (MyShapeTypes.contains(aType))
-    return MyShapeTypes[aType];
-  Events_Error::send("Shape type defined in XML is not implemented!");
+  if(myShapeTypes.contains(aType))
+    return myShapeTypes[aType];
+  Events_InfoMessage("ModuleBase_Tools", "Shape type defined in XML is not implemented!").send();
   return TopAbs_SHAPE;
 }
 
-void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature, bool& hasParameter, bool& hasSubFeature)
+void checkObjects(const QObjectPtrList& theObjects, bool& hasResult, bool& hasFeature,
+                  bool& hasParameter, bool& hasCompositeOwner)
 {
   hasResult = false;
   hasFeature = false;
   hasParameter = false;
-  hasSubFeature = false;
+  hasCompositeOwner = false;
   foreach(ObjectPtr aObj, theObjects) {
     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
     ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aObj);
     ResultParameterPtr aConstruction = std::dynamic_pointer_cast<ModelAPI_ResultParameter>(aResult);
 
-    hasResult = (aResult.get() != NULL);
-    hasFeature = (aFeature.get() != NULL);
-    hasParameter = (aConstruction.get() != NULL);
+    hasResult |= (aResult.get() != NULL);
+    hasFeature |= (aFeature.get() != NULL);
+    hasParameter |= (aConstruction.get() != NULL);
     if (hasFeature) 
-      hasSubFeature = (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
-    if (hasFeature && hasResult  && hasParameter && hasSubFeature)
+      hasCompositeOwner |= (ModelAPI_Tools::compositeOwner(aFeature) != NULL);
+    if (hasFeature && hasResult  && hasParameter && hasCompositeOwner)
       break;
   }
 }
 
+/*bool setDefaultDeviationCoefficient(std::shared_ptr<GeomAPI_Shape> theGeomShape)
+{
+  if (!theGeomShape.get())
+    return false;
+  // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
+  // correction of deviation for them should not influence to the application performance
+  GeomAPI_ShapeExplorer anExp(theGeomShape, GeomAPI_Shape::FACE);
+  bool anEmpty = anExp.empty();
+  return !anExp.more();
+}*/
+
+/*void setDefaultDeviationCoefficient(const std::shared_ptr<ModelAPI_Result>& theResult,
+                                    const Handle(Prs3d_Drawer)& theDrawer)
+{
+  if (!theResult.get())
+    return;
+  bool aUseDeviation = false;
+
+  std::string aResultGroup = theResult->groupName();
+  if (aResultGroup == ModelAPI_ResultConstruction::group())
+    aUseDeviation = true;
+  else if (aResultGroup == ModelAPI_ResultBody::group()) {
+    GeomShapePtr aGeomShape = theResult->shape();
+    if (aGeomShape.get())
+      aUseDeviation = setDefaultDeviationCoefficient(aGeomShape);
+  }
+  if (aUseDeviation)
+    theDrawer->SetDeviationCoefficient(DEFAULT_DEVIATION_COEFFICIENT);
+}
+*/
 void setDefaultDeviationCoefficient(const TopoDS_Shape& theShape,
                                     const Handle(Prs3d_Drawer)& theDrawer)
 {
-  if (!theShape.IsNull() && theShape.ShapeType() == TopAbs_EDGE)
-    theDrawer->SetDeviationCoefficient(1.e-4);
+  if (theShape.IsNull())
+    return;
+
+  std::shared_ptr<GeomAPI_Shape> aGeomShape(new GeomAPI_Shape());
+  aGeomShape->setImpl(new TopoDS_Shape(theShape));
+
+  // if the shape could not be exploded on faces, it contains only wires, edges, and vertices
+  // correction of deviation for them should not influence to the application performance
+  GeomAPI_ShapeExplorer anExp(aGeomShape, GeomAPI_Shape::FACE);
+  bool isConstruction = !anExp.more();
+
+  double aDeflection;
+  if (isConstruction)
+    aDeflection = Config_PropManager::real("Visualization", "construction_deflection",
+                                           ModelAPI_ResultConstruction::DEFAULT_DEFLECTION());
+  else
+    aDeflection = Config_PropManager::real("Visualization", "body_deflection",
+                                           ModelAPI_ResultBody::DEFAULT_DEFLECTION());
+
+  theDrawer->SetDeviationCoefficient(aDeflection);
 }
 
 Quantity_Color color(const std::string& theSection,
@@ -266,6 +645,608 @@ Quantity_Color color(const std::string& theSection,
   return Quantity_Color(aColor[0] / 255., aColor[1] / 255., aColor[2] / 255., Quantity_TOC_RGB);
 }
 
+ObjectPtr getObject(const AttributePtr& theAttribute)
+{
+  ObjectPtr anObject;
+  std::string anAttrType = theAttribute->attributeType();
+  if (anAttrType == ModelAPI_AttributeRefAttr::typeId()) {
+    AttributeRefAttrPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+    if (anAttr != NULL && anAttr->isObject())
+      anObject = anAttr->object();
+  }
+  if (anAttrType == ModelAPI_AttributeSelection::typeId()) {
+    AttributeSelectionPtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
+    if (anAttr != NULL)
+      anObject = anAttr->context();
+  }
+  if (anAttrType == ModelAPI_AttributeReference::typeId()) {
+    AttributeReferencePtr anAttr = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
+    if (anAttr.get() != NULL)
+      anObject = anAttr->value();
+  }
+  return anObject;
+}
+
+TopAbs_ShapeEnum getCompoundSubType(const TopoDS_Shape& theShape)
+{
+  TopAbs_ShapeEnum aShapeType = theShape.ShapeType();
+
+  // for compounds check sub-shapes: it may be compound of needed type:
+  // Booleans may produce compounds of Solids
+  if (aShapeType == TopAbs_COMPOUND) {
+    for(TopoDS_Iterator aSubs(theShape); aSubs.More(); aSubs.Next()) {
+      if (!aSubs.Value().IsNull()) {
+        TopAbs_ShapeEnum aSubType = aSubs.Value().ShapeType();
+        if (aSubType == TopAbs_COMPOUND) { // compound of compound(s)
+          aShapeType = TopAbs_COMPOUND;
+          break;
+        }
+        if (aShapeType == TopAbs_COMPOUND) {
+          aShapeType = aSubType;
+        } else if (aShapeType != aSubType) { // compound of shapes of different types
+          aShapeType = TopAbs_COMPOUND;
+          break;
+        }
+      }
+    }
+  }
+  return aShapeType;
 }
 
+void getParameters(QStringList& theParameters)
+{
+  theParameters.clear();
+
+  SessionPtr aSession = ModelAPI_Session::get();
+  std::list<DocumentPtr> aDocList;
+  DocumentPtr anActiveDocument = aSession->activeDocument();
+  DocumentPtr aRootDocument = aSession->moduleDocument();
+  aDocList.push_back(anActiveDocument);
+  if (anActiveDocument != aRootDocument) {
+    aDocList.push_back(aRootDocument);
+  }
+  std::string aGroupId = ModelAPI_ResultParameter::group();
+  for(std::list<DocumentPtr>::const_iterator it = aDocList.begin(); it != aDocList.end(); ++it) {
+    DocumentPtr aDocument = *it;
+    int aSize = aDocument->size(aGroupId);
+    for (int i = 0; i < aSize; i++) {
+      ObjectPtr anObject = aDocument->object(aGroupId, i);
+      std::string aParameterName = anObject->data()->name();
+      theParameters.append(aParameterName.c_str());
+    }
+  }
+}
+
+std::string findGreedAttribute(ModuleBase_IWorkshop* theWorkshop, const FeaturePtr& theFeature)
+{
+  std::string anAttributeId;
+
+  std::string aXmlCfg, aDescription;
+  theWorkshop->module()->getXMLRepresentation(theFeature->getKind(), aXmlCfg, aDescription);
+
+  ModuleBase_WidgetFactory aFactory(aXmlCfg, theWorkshop);
+  std::string anAttributeTitle;
+  aFactory.getGreedAttribute(anAttributeId);
+
+  return anAttributeId;
+}
+
+bool hasObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
+               const std::shared_ptr<GeomAPI_Shape>& theShape,
+               ModuleBase_IWorkshop* theWorkshop,
+               const bool theTemporarily)
+{
+  bool aHasObject = false;
+  if (!theAttribute.get())
+    return aHasObject;
+
+  std::string aType = theAttribute->attributeType();
+  if (aType == ModelAPI_AttributeReference::typeId()) {
+    AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
+    ObjectPtr aObject = aRef->value();
+    aHasObject = aObject && aObject->isSame(theObject);
+    //if (!(aObject && aObject->isSame(theObject))) {
+    //  aRef->setValue(theObject);
+    //}
+  } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
+    AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+
+    AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
+    if (anAttribute.get()) {
+      //aRefAttr->setAttr(anAttribute);
+    }
+    else {
+      ObjectPtr aObject = aRefAttr->object();
+      aHasObject = aObject && aObject->isSame(theObject);
+      //if (!(aObject && aObject->isSame(theObject))) {
+      //  aRefAttr->setObject(theObject);
+      //}
+    }
+  } else if (aType == ModelAPI_AttributeSelection::typeId()) {
+    /*AttributeSelectionPtr aSelectAttr =
+                             std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+    if (aSelectAttr.get() != NULL) {
+      aSelectAttr->setValue(aResult, theShape, theTemporarily);
+    }*/
+  }
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr =
+                         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+    aHasObject = aSelectionListAttr->isInList(aResult, theShape, theTemporarily);
+    //if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
+    //  aSelectionListAttr->append(aResult, theShape, theTemporarily);
+  }
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
+    aHasObject = aRefListAttr->isInList(theObject);
+    //if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject))
+    //  aRefListAttr->append(theObject);
+  }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
+    AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
+
+    if (anAttribute.get()) {
+      aHasObject = aRefAttrListAttr->isInList(anAttribute);
+      //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
+      //  aRefAttrListAttr->append(anAttribute);
+    }
+    else {
+      aHasObject = aRefAttrListAttr->isInList(theObject);
+      //if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject))
+      //  aRefAttrListAttr->append(theObject);
+    }
+  }
+  return aHasObject;
+}
+
+bool setObject(const AttributePtr& theAttribute, const ObjectPtr& theObject,
+               const GeomShapePtr& theShape, ModuleBase_IWorkshop* theWorkshop,
+               const bool theTemporarily, const bool theCheckIfAttributeHasObject)
+{
+  if (!theAttribute.get())
+    return false;
+
+  bool isDone = true;
+  std::string aType = theAttribute->attributeType();
+  if (aType == ModelAPI_AttributeReference::typeId()) {
+    AttributeReferencePtr aRef = std::dynamic_pointer_cast<ModelAPI_AttributeReference>(theAttribute);
+    ObjectPtr aObject = aRef->value();
+    if (!(aObject && aObject->isSame(theObject))) {
+      aRef->setValue(theObject);
+    }
+  } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
+    AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+
+    AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
+    if (anAttribute.get())
+      aRefAttr->setAttr(anAttribute);
+    else {
+      ObjectPtr aObject = aRefAttr->object();
+      if (!(aObject && aObject->isSame(theObject))) {
+        aRefAttr->setObject(theObject);
+      }
+    }
+  } else if (aType == ModelAPI_AttributeSelection::typeId()) {
+    AttributeSelectionPtr aSelectAttr =
+                             std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(theAttribute);
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+    if (aSelectAttr.get() != NULL) {
+      aSelectAttr->setValue(aResult, theShape, theTemporarily);
+    }
+  }
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr =
+                         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+    if (!theCheckIfAttributeHasObject || !aSelectionListAttr->isInList(aResult, theShape, theTemporarily))
+      aSelectionListAttr->append(aResult, theShape, theTemporarily);
+  }
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefList>(theAttribute);
+    if (!theCheckIfAttributeHasObject || !aRefListAttr->isInList(theObject)) {
+      if (theObject.get())
+        aRefListAttr->append(theObject);
+      else
+        isDone = false;
+    }
+  }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    AttributeRefAttrListPtr aRefAttrListAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttrList>(theAttribute);
+    AttributePtr anAttribute = theWorkshop->module()->findAttribute(theObject, theShape);
+
+    if (anAttribute.get()) {
+      if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(anAttribute))
+        aRefAttrListAttr->append(anAttribute);
+    }
+    else {
+      if (!theCheckIfAttributeHasObject || !aRefAttrListAttr->isInList(theObject)) {
+        if (theObject.get())
+          aRefAttrListAttr->append(theObject);
+        else
+          isDone = false;
+      }
+    }
+  }
+  return isDone;
+}
+
+GeomShapePtr getShape(const AttributePtr& theAttribute, ModuleBase_IWorkshop* theWorkshop)
+{
+  GeomShapePtr aShape;
+  if (!theAttribute.get())
+    return aShape;
+
+  std::string aType = theAttribute->attributeType();
+  if (aType == ModelAPI_AttributeReference::typeId()) {
+  } else if (aType == ModelAPI_AttributeRefAttr::typeId()) {
+    AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theAttribute);
+    if (aRefAttr.get() && !aRefAttr->isObject()) {
+      AttributePtr anAttribute = aRefAttr->attr();
+      aShape = theWorkshop->module()->findShape(anAttribute);
+    }
+  } else if (aType == ModelAPI_AttributeSelection::typeId()) {
+    AttributeSelectionPtr aSelectAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
+                                                                                 (theAttribute);
+    aShape = aSelectAttr->value();
+  }
+  else // Geom2D point processing
+    aShape = theWorkshop->module()->findShape(theAttribute);
+  return aShape;
+}
+
+void flushUpdated(ObjectPtr theObject)
+{
+  blockUpdateViewer(true);
+
+  Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
+
+  blockUpdateViewer(false);
+}
+
+void blockUpdateViewer(const bool theValue)
+{
+  // the viewer update should be blocked in order to avoid the temporary feature content
+  // when the solver processes the feature, the redisplay message can be flushed
+  // what caused the display in the viewer preliminary states of object
+  // e.g. fillet feature, angle value change
+  std::shared_ptr<Events_Message> aMsg;
+  if (theValue) {
+    aMsg = std::shared_ptr<Events_Message>(
+        new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_BLOCKED)));
+  }
+  else {
+    // the viewer update should be unblocked
+    aMsg = std::shared_ptr<Events_Message>(
+        new Events_Message(Events_Loop::eventByName(EVENT_UPDATE_VIEWER_UNBLOCKED)));
+  }
+  Events_Loop::loop()->send(aMsg);
+}
+
+QString wrapTextByWords(const QString& theValue, QWidget* theWidget,
+                                          int theMaxLineInPixels)
+{
+  static QFontMetrics tfm(theWidget ? theWidget->font() : QApplication::font());
+  static qreal phi = 2.618;
+
+  QRect aBounds = tfm.boundingRect(theValue);
+  if(aBounds.width() <= theMaxLineInPixels)
+    return theValue;
+
+  qreal s = aBounds.width() * aBounds.height();
+  qreal aGoldWidth = sqrt(s*phi);
+
+  QStringList aWords = theValue.split(" ", QString::SkipEmptyParts);
+  QStringList aLines;
+  int n = aWords.count();
+  QString aLine;
+  for (int i = 0; i < n; i++) {
+    QString aLineExt = aLine + " " + aWords[i];
+    qreal anWidthNonExt = tfm.boundingRect(aLine).width();
+    qreal anWidthExt = tfm.boundingRect(aLineExt).width();
+    qreal aDeltaNonExt = fabs(anWidthNonExt-aGoldWidth);
+    qreal aDeltaExt    = fabs(anWidthExt-aGoldWidth);
+    if(aDeltaNonExt < aDeltaExt) {
+      // new line
+      aLines.append(aLine);
+      aLine = aWords[i];
+    }
+    else
+      aLine = aLineExt;
+  }
+
+  if(!aLine.isEmpty())
+    aLines.append(aLine);
+
+  QString aResult = aLines.join("\n");
+  return aResult;
+}
+
+//**************************************************************
+void refsToFeatureInFeatureDocument(const ObjectPtr& theObject, std::set<FeaturePtr>& theRefFeatures)
+{
+  FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
+  if (aFeature.get()) {
+    DocumentPtr aFeatureDoc = aFeature->document();
+    // 1. find references in the current document
+    aFeatureDoc->refsToFeature(aFeature, theRefFeatures, false);
+  }
+}
+
+
+//**************************************************************
+/*bool isSubOfComposite(const ObjectPtr& theObject)
+{
+  bool isSub = false;
+  std::set<FeaturePtr> aRefFeatures;
+  refsToFeatureInFeatureDocument(theObject, aRefFeatures);
+  std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                       aLast = aRefFeatures.end();
+  for (; anIt != aLast && !isSub; anIt++) {
+    isSub = isSubOfComposite(theObject, *anIt);
+  }
+  return isSub;
+}*/
+
+//**************************************************************
+/*bool isSubOfComposite(const ObjectPtr& theObject, const FeaturePtr& theFeature)
+{
+  bool isSub = false;
+  CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
+  if (aComposite.get()) {
+    isSub = aComposite->isSub(theObject);
+    // the recursive is possible, the parameters are sketch circle and extrusion cut. They are
+    // separated by composite sketch feature
+    if (!isSub) {
+      int aNbSubs = aComposite->numberOfSubs();
+      for (int aSub = 0; aSub < aNbSubs && !isSub; aSub++) {
+        isSub = isSubOfComposite(theObject, aComposite->subFeature(aSub));
+      }
+    }
+  }
+  return isSub;
+}*/
+
+//**************************************************************
+ResultPtr firstResult(const ObjectPtr& theObject)
+{
+  ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
+  if (!aResult.get()) {
+    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
+    if (aFeature.get())
+      aResult = aFeature->firstResult();
+  }
+  return aResult;
+}
+
+//**************************************************************
+bool isFeatureOfResult(const FeaturePtr& theFeature, const std::string& theGroupOfResult)
+{
+  bool isResult = false;
+
+  if (!theFeature->data()->isValid())
+    return isResult;
+
+  ResultPtr aFirstResult = theFeature->firstResult();
+  if (!aFirstResult.get())
+    return isResult;
+
+  return aFirstResult->groupName() == theGroupOfResult;
+}
+
+//**************************************************************
+bool hasModuleDocumentFeature(const std::set<FeaturePtr>& theFeatures)
+{
+  bool aFoundModuleDocumentObject = false;
+  DocumentPtr aModuleDoc = ModelAPI_Session::get()->moduleDocument();
+
+  std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(), aLast = theFeatures.end();
+  for (; anIt != aLast && !aFoundModuleDocumentObject; anIt++) {
+    FeaturePtr aFeature = *anIt;
+    ResultPtr aResult = ModuleBase_Tools::firstResult(aFeature);
+    if (aResult.get() && aResult->groupName() == ModelAPI_ResultPart::group())
+      continue;
+    aFoundModuleDocumentObject = aFeature->document() == aModuleDoc;
+  }
+
+  return aFoundModuleDocumentObject;
+}
+
+//**************************************************************
+bool askToDelete(const std::set<FeaturePtr> theFeatures,
+                 const std::map<FeaturePtr, std::set<FeaturePtr> >& theReferences,
+                 QWidget* theParent,
+                 std::set<FeaturePtr>& theReferencesToDelete,
+                 const std::string& thePrefixInfo)
+{
+  QString aNotActivatedDocWrn;
+  std::string aNotActivatedNames;
+  if (!ModelAPI_Tools::allDocumentsActivated(aNotActivatedNames)) {
+    if (ModuleBase_Tools::hasModuleDocumentFeature(theFeatures))
+      aNotActivatedDocWrn = QObject::tr("Selected objects can be used in Part documents which are not loaded:%1.\n")
+                            .arg(aNotActivatedNames.c_str());
+  }
+  
+  std::set<FeaturePtr> aFeaturesRefsTo;
+  std::set<FeaturePtr> aFeaturesRefsToParameter;
+  std::set<FeaturePtr> aParameterFeatures;
+  QStringList aPartFeatureNames;
+  std::set<FeaturePtr>::const_iterator anIt = theFeatures.begin(),
+                                       aLast = theFeatures.end();
+  // separate features to references to parameter features and references to others
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = *anIt;
+    if (theReferences.find(aFeature) == theReferences.end())
+      continue;
+
+    if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
+      aPartFeatureNames.append(aFeature->name().c_str());
+
+    std::set<FeaturePtr> aRefFeatures;
+    std::set<FeaturePtr> aRefList = theReferences.at(aFeature);
+    std::set<FeaturePtr>::const_iterator aRefIt = aRefList.begin(), aRefLast = aRefList.end();
+    for (; aRefIt != aRefLast; aRefIt++) {
+      FeaturePtr aRefFeature = *aRefIt;
+      if (theFeatures.find(aRefFeature) == theFeatures.end() && // it is not selected
+          aRefFeatures.find(aRefFeature) == aRefFeatures.end()) // it is not added
+        aRefFeatures.insert(aRefFeature);
+    }
+
+    if (isFeatureOfResult(aFeature, ModelAPI_ResultParameter::group())) {
+      aFeaturesRefsToParameter.insert(aRefFeatures.begin(), aRefFeatures.end());
+      aParameterFeatures.insert(aFeature);
+    }
+    else {
+      theReferencesToDelete.insert(aRefFeatures.begin(), aRefFeatures.end());
+    }
+  }
+
+  std::set<FeaturePtr> aFeaturesRefsToParameterOnly;
+  anIt = aFeaturesRefsToParameter.begin();
+  aLast = aFeaturesRefsToParameter.end();
+  // separate features to references to parameter features and references to others
+  QStringList aParamFeatureNames;
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = *anIt;
+    if (theReferencesToDelete.find(aFeature) == theReferencesToDelete.end()) {
+      aFeaturesRefsToParameterOnly.insert(aFeature);
+      aParamFeatureNames.append(aFeature->name().c_str());
+    }
+  }
+  aParamFeatureNames.sort();
+  QStringList anOtherFeatureNames;
+  anIt = theReferencesToDelete.begin();
+  aLast = theReferencesToDelete.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aFeature = *anIt;
+    if (isFeatureOfResult(aFeature, ModelAPI_ResultPart::group()))
+      aPartFeatureNames.append(aFeature->name().c_str());
+    else
+      anOtherFeatureNames.append(aFeature->name().c_str());
+  }
+  aPartFeatureNames.sort();
+  anOtherFeatureNames.sort();
+
+  bool aCanReplaceParameters = !aFeaturesRefsToParameterOnly.empty();
+
+  QMessageBox aMessageBox(theParent);
+  aMessageBox.setWindowTitle(QObject::tr("Delete features"));
+  aMessageBox.setIcon(QMessageBox::Warning);
+  aMessageBox.setStandardButtons(QMessageBox::No | QMessageBox::Yes);
+  aMessageBox.setDefaultButton(QMessageBox::No);
+
+  QString aText;
+  if (!thePrefixInfo.empty())
+    aText = thePrefixInfo.c_str();
+  QString aSep = ", ";
+  if (!aPartFeatureNames.empty())
+    aText += QString(QObject::tr("The following parts will be deleted: %1.\n")).arg(aPartFeatureNames.join(aSep));
+  if (!aNotActivatedDocWrn.isEmpty())
+    aText += aNotActivatedDocWrn;
+  if (!anOtherFeatureNames.empty())
+    aText += QString(QObject::tr("Features are used in the following features: %1.\nThese features will be deleted.\n"))
+                     .arg(anOtherFeatureNames.join(aSep));
+  if (!aParamFeatureNames.empty()) {
+    aText += QString(QObject::tr("Parameters are used in the following features: %1.\nThese features will be deleted.\nOr parameters could be replaced by their values.\n"))
+                     .arg(aParamFeatureNames.join(aSep));
+    QPushButton *aReplaceButton = aMessageBox.addButton(QObject::tr("Replace"), QMessageBox::ActionRole);
+  }
+
+  if (!aText.isEmpty()) {
+    aText += "Would you like to continue?";
+    aMessageBox.setText(aText);
+    aMessageBox.exec();
+    QMessageBox::ButtonRole aButtonRole = aMessageBox.buttonRole(aMessageBox.clickedButton());
+
+    if (aButtonRole == QMessageBox::NoRole)
+      return false;
+
+    if (aButtonRole == QMessageBox::ActionRole) {
+      foreach (FeaturePtr aObj, aParameterFeatures)
+        ModelAPI_ReplaceParameterMessage::send(aObj, 0);
+    }
+    else
+      theReferencesToDelete.insert(aFeaturesRefsToParameterOnly.begin(), aFeaturesRefsToParameterOnly.end());
+  }
+  return true;
+}
+
+//**************************************************************
+void convertToFeatures(const QObjectPtrList& theObjects, std::set<FeaturePtr>& theFeatures)
+{
+  QObjectPtrList::const_iterator anIt = theObjects.begin(), aLast = theObjects.end();
+  for(; anIt != aLast; anIt++) {
+    ObjectPtr anObject = *anIt;
+    FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(anObject);
+    // for parameter result, use the corresponded reature to be removed
+    if (!aFeature.get() && anObject->groupName() == ModelAPI_ResultParameter::group()) {
+      aFeature = ModelAPI_Feature::feature(anObject);
+    }
+    theFeatures.insert(aFeature);
+  }
+}
+
+void translate(const std::string& theContext, std::string& theMessage)
+{
+  if (!theMessage.empty()) {
+    std::string aStr = Config_Translator::translate(theContext, theMessage);
+    if (!aStr.empty()) {
+      std::string aCodec = Config_Translator::codec(theContext);
+      theMessage = QTextCodec::codecForName(aCodec.c_str())->toUnicode(aStr.c_str()).toStdString();
+    }
+  }
+}
+
+void setPointBallHighlighting(AIS_Shape* theAIS)
+{
+  static Handle(Image_AlienPixMap) aPixMap;
+  if(aPixMap.IsNull()) {
+    // Load icon for the presentation
+    std::string aFile;
+    char* anEnv = getenv("SHAPER_ROOT_DIR");
+    if(anEnv) {
+      aFile = std::string(anEnv) +
+        FSEP + "share" + FSEP + "salome" + FSEP + "resources" + FSEP + "shaper";
+    } else {
+      anEnv = getenv("OPENPARTS_ROOT_DIR");
+      if (anEnv)
+        aFile = std::string(anEnv) + FSEP + "resources";
+    }
+
+    aFile += FSEP;
+    static const std::string aMarkerName = "marker_dot.png";
+    aFile += aMarkerName;
+    aPixMap = new Image_AlienPixMap();
+    if(!aPixMap->Load(aFile.c_str())) {
+      // The icon for constraint is not found
+      static const std::string aMsg = "Error: Point market not found by path: \"" + aFile + "\". Falling back.";
+      //Events_InfoMessage("ModuleBase_Tools::setPointBallHighlighting", aMsg).send();
+    }
+  }
+
+  Handle(Graphic3d_AspectMarker3d) anAspect;
+  Handle(Prs3d_Drawer) aDrawer = theAIS->HilightAttributes();
+  if(aDrawer->HasOwnPointAspect()) {
+    Handle(Prs3d_PointAspect) aPntAspect = aDrawer->PointAspect();
+    if(aPixMap->IsEmpty()) {
+      anAspect = aPntAspect->Aspect();
+      anAspect->SetType(Aspect_TOM_BALL);
+    } else {
+      if(aPixMap->Format() == Image_PixMap::ImgGray) {
+        aPixMap->SetFormat (Image_PixMap::ImgAlpha);
+      } else if(aPixMap->Format() == Image_PixMap::ImgGrayF) {
+        aPixMap->SetFormat (Image_PixMap::ImgAlphaF);
+      }
+      anAspect = new Graphic3d_AspectMarker3d(aPixMap);
+      aPntAspect->SetAspect(anAspect);
+    }
+    aDrawer->SetPointAspect(aPntAspect);
+    theAIS->SetHilightAttributes(aDrawer);
+  }
+}
+
+} // namespace ModuleBase_Tools
+