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Sketch selection in the browser for extrusion operation
[modules/shaper.git] / src / PartSet / PartSet_Module.cpp
index c154d43d4804b95a66db049279c76be00e05d770..83f59bfe61bab2cde6132c700e168076a81b57df 100644 (file)
@@ -7,6 +7,8 @@
 #include <PartSet_WidgetPoint2d.h>
 #include <PartSet_WidgetPoint2dDistance.h>
 #include <PartSet_WidgetShapeSelector.h>
+#include <PartSet_WidgetConstraintShapeSelector.h>
+#include <PartSet_SketcherMgr.h>
 
 #include <ModuleBase_Operation.h>
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_WidgetEditor.h>
 #include <ModuleBase_FilterFactory.h>
 #include <ModuleBase_FilterLinearEdge.h>
-
+#include <ModuleBase_FilterFace.h>
+#include <ModuleBase_FilterMulti.h>
+#include <ModuleBase_FilterCustom.h>
+#include <ModuleBase_FilterNoConsructionSubShapes.h>
+#include <PartSet_FilterSketchEntity.h>
 
 #include <ModelAPI_Object.h>
 #include <ModelAPI_Events.h>
 #include <ModelAPI_Validator.h>
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Session.h>
+#include <ModelAPI_ShapeValidator.h>
 
 #include <GeomDataAPI_Point2D.h>
 #include <GeomDataAPI_Point.h>
 #include <XGUI_OperationMgr.h>
 #include <XGUI_PropertyPanel.h>
 #include <XGUI_ModuleConnector.h>
+#include <XGUI_ContextMenuMgr.h>
 #include <XGUI_Tools.h>
 
-#include <SketchPlugin_Line.h>
+#include <SketchPlugin_Feature.h>
 #include <SketchPlugin_Sketch.h>
-#include <SketchPlugin_Point.h>
-#include <SketchPlugin_Arc.h>
-#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Line.h>
+//#include <SketchPlugin_Arc.h>
+//#include <SketchPlugin_Circle.h>
 #include <SketchPlugin_ConstraintLength.h>
 #include <SketchPlugin_ConstraintDistance.h>
 #include <SketchPlugin_ConstraintParallel.h>
 #include <SketchPlugin_ConstraintPerpendicular.h>
 #include <SketchPlugin_ConstraintRadius.h>
-#include <SketchPlugin_ConstraintRigid.h>
+//#include <SketchPlugin_ConstraintRigid.h>
 
 #include <Events_Loop.h>
+#include <Config_PropManager.h>
 
 #include <StdSelect_TypeOfFace.hxx>
 #include <TopoDS_Vertex.hxx>
@@ -59,6 +68,8 @@
 #include <QString>
 #include <QTimer>
 #include <QApplication>
+#include <QMessageBox>
+#include <QMainWindow>
 
 #include <GeomAlgoAPI_FaceBuilder.h>
 #include <GeomDataAPI_Dir.h>
 #include <QDebug>
 #endif
 
-
-/// Returns list of unique objects by sum of objects from List1 and List2
-QList<ObjectPtr> getSumList(const QList<ModuleBase_ViewerPrs>& theList1,
-                                       const QList<ModuleBase_ViewerPrs>& theList2)
-{
-  QList<ObjectPtr> aRes;
-  foreach (ModuleBase_ViewerPrs aPrs, theList1) {
-    if (!aRes.contains(aPrs.object()))
-      aRes.append(aPrs.object());
-  }
-  foreach (ModuleBase_ViewerPrs aPrs, theList2) {
-    if (!aRes.contains(aPrs.object()))
-      aRes.append(aPrs.object());
-  }
-  return aRes;
-}
-
 /*!Create and return new instance of XGUI_Module*/
 extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop* theWshop)
 {
@@ -92,21 +86,10 @@ extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop*
 
 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
   : ModuleBase_IModule(theWshop), 
-  myIsDragging(false), myRestartingMode(RM_None), myDragDone(false)
+  myRestartingMode(RM_None)
 {
   //myWorkshop = dynamic_cast<XGUI_Workshop*>(theWshop);
-  ModuleBase_IViewer* aViewer = aViewer = theWshop->viewer();
-  connect(aViewer, SIGNAL(mousePress(ModuleBase_IViewWindow*, QMouseEvent*)),
-          this, SLOT(onMousePressed(ModuleBase_IViewWindow*, QMouseEvent*)));
-
-  connect(aViewer, SIGNAL(mouseRelease(ModuleBase_IViewWindow*, QMouseEvent*)),
-          this, SLOT(onMouseReleased(ModuleBase_IViewWindow*, QMouseEvent*)));
-
-  connect(aViewer, SIGNAL(mouseMove(ModuleBase_IViewWindow*, QMouseEvent*)),
-          this, SLOT(onMouseMoved(ModuleBase_IViewWindow*, QMouseEvent*)));
-
-  connect(aViewer, SIGNAL(mouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)),
-          this, SLOT(onMouseDoubleClick(ModuleBase_IViewWindow*, QMouseEvent*)));
+  mySketchMgr = new PartSet_SketcherMgr(this);
 
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
   XGUI_Workshop* aWorkshop = aConnector->workshop();
@@ -116,16 +99,17 @@ PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
   connect(anOpMgr, SIGNAL(operationActivatedByPreselection()),
           this, SLOT(onOperationActivatedByPreselection()));
 
+  ModuleBase_IViewer* aViewer = theWshop->viewer();
   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
+
+  createActions();
 }
 
 PartSet_Module::~PartSet_Module()
 {
   if (!myDocumentShapeFilter.IsNull())
     myDocumentShapeFilter.Nullify();
-  if (!myPlaneFilter.IsNull())
-    myPlaneFilter.Nullify();
 }
 
 void PartSet_Module::registerValidators()
@@ -140,6 +124,8 @@ void PartSet_Module::registerValidators()
   aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
   aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
+  aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
+  aFactory->registerValidator("PartSet_SketchValidator", new PartSet_SketchValidator);
 }
 
 void PartSet_Module::registerFilters()
@@ -148,13 +134,39 @@ void PartSet_Module::registerFilters()
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
 
-  aFactory->registerFilter("LinearEdgeFilter", new ModuleBase_FilterLinearEdge);
+  aFactory->registerFilter("EdgeFilter", new ModuleBase_FilterLinearEdge);
+  aFactory->registerFilter("FaceFilter", new ModuleBase_FilterFace);
+  aFactory->registerFilter("MultiFilter", new ModuleBase_FilterMulti);
+  Handle(SelectMgr_Filter) aSelectFilter = new ModuleBase_FilterNoConsructionSubShapes(workshop());
+  aFactory->registerFilter("NoConstructionSubShapesFilter",
+            new ModuleBase_FilterCustom(aSelectFilter));
+  aSelectFilter = new PartSet_FilterSketchEntity(workshop());
+  aFactory->registerFilter("SketchEntityFilter", new ModuleBase_FilterCustom(aSelectFilter));
+}
+
+void PartSet_Module::registerProperties()
+{
+  Config_PropManager::registerProp("Sketch planes", "planes_size", "Size", Config_Prop::Double,
+                                   PLANE_SIZE);
+  Config_PropManager::registerProp("Sketch planes", "planes_thickness", "Thickness",
+                                   Config_Prop::Integer, SKETCH_WIDTH);
 }
 
 void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation) 
 {
+  if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
+    mySketchMgr->commitNestedSketch(theOperation);
+  }
+
   if (theOperation->isEditOperation())
     return;
+  // the selection is cleared after commit the create operation
+  // in order to do not use the same selected objects in the restarted operation
+  // for common behaviour, the selection is cleared even if the operation is not restarted
+  Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
+  if (!aContext.IsNull())
+    aContext->ClearSelected();
+
   /// Restart sketcher operations automatically
   FeaturePtr aFeature = theOperation->feature();
   std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
@@ -163,6 +175,7 @@ void PartSet_Module::operationCommitted(ModuleBase_Operation* theOperation)
                      myRestartingMode == RM_EmptyFeatureUsed)) {
     myLastOperationId = theOperation->id();
     myLastFeature = myRestartingMode == RM_LastFeatureUsed ? theOperation->feature() : FeaturePtr();
+    
     launchOperation(myLastOperationId);
   }
   breakOperationSequence();
@@ -182,39 +195,13 @@ void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 
 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 {
-  if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
-    // Display all sketcher sub-Objects
-    myCurrentSketch = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theOperation->feature());
-    XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
-    XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
-
-    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) {
-        aDisplayer->display((*aIt), false);
-      }
-      aDisplayer->display(aFeature);
-    }
-    // Hide sketcher result
-    std::list<ResultPtr> aResults = myCurrentSketch->results();
-    std::list<ResultPtr>::const_iterator aIt;
-    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-      aDisplayer->erase((*aIt), false);
-    }
-    aDisplayer->erase(myCurrentSketch);
-
-
-    if (myPlaneFilter.IsNull()) 
-      myPlaneFilter = new ModuleBase_ShapeInPlaneFilter();
-    myWorkshop->viewer()->addSelectionFilter(myPlaneFilter);
-    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);
-      myPlaneFilter->setPlane(aPln->impl<gp_Pln>());
-    }
+  if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
+    mySketchMgr->startSketch(theOperation);
   }
+  else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
+    mySketchMgr->startNestedSketch(theOperation);
+  }
+
   if (myDocumentShapeFilter.IsNull())
     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
@@ -222,50 +209,119 @@ void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 
 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 {
-  if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
-    DataPtr aData = myCurrentSketch->data();
-    if ((!aData) || (!aData->isValid())) {
-      // The sketch was aborted
-      myCurrentSketch = CompositeFeaturePtr();
-      return; 
-    }
-    // Hide all sketcher sub-Objects
-    XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
-    XGUI_Displayer* aDisplayer = aConnector->workshop()->displayer();
-    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) {
-        aDisplayer->erase((*aIt), false);
-      }
-      aDisplayer->erase(aFeature, false);
-    }
-    // Display sketcher result
-    std::list<ResultPtr> aResults = myCurrentSketch->results();
-    std::list<ResultPtr>::const_iterator aIt;
-    for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
-      aDisplayer->display((*aIt), false);
-    }
-    aDisplayer->display(myCurrentSketch);
-    
-    myCurrentSketch = CompositeFeaturePtr();
-    myWorkshop->viewer()->removeSelectionFilter(myPlaneFilter);
+  if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
+    mySketchMgr->stopSketch(theOperation);
+  }
+  else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
+    mySketchMgr->stopNestedSketch(theOperation);
   }
   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 }
 
-void PartSet_Module::onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>& thePln)
+ModuleBase_Operation* PartSet_Module::currentOperation() const
+{
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
+  XGUI_OperationMgr* anOpMgr = aConnector->workshop()->operationMgr();
+  return anOpMgr->currentOperation();
+}
+
+bool PartSet_Module::canUndo() const
+{
+  bool aCanUndo = false;
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->hasModuleDocument() && aMgr->canUndo()) {
+    aCanUndo = !aMgr->isOperation();
+    if (!aCanUndo) // check the enable state additionally by sketch manager
+      aCanUndo = aMgr->canUndo();
+  }
+  return aCanUndo;
+}
+
+bool PartSet_Module::canRedo() const
+{
+  bool aCanRedo = false;
+  SessionPtr aMgr = ModelAPI_Session::get();
+  if (aMgr->hasModuleDocument() && aMgr->canRedo()) {
+    aCanRedo = !aMgr->isOperation();
+    if (!aCanRedo) // check the enable state additionally by sketch manager
+      aCanRedo = aMgr->canRedo();
+  }
+  return aCanRedo;
+}
+
+bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
 {
-  myPlaneFilter->setPlane(thePln->impl<gp_Pln>());
+  bool aCanDisplay = false;
+  if (!mySketchMgr->canDisplayObject())
+    return aCanDisplay;
+  CompositeFeaturePtr aSketchFeature = mySketchMgr->activeSketch();
+  if (aSketchFeature.get() != NULL) {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(theObject);
+
+    // MPV: the second and third conditions to avoid crash on exit for application
+    if (aFeature.get() != NULL && aFeature->data().get() && aFeature->data()->isValid()) {
+      if (aFeature == aSketchFeature) {
+        aCanDisplay = false;
+      }
+      else if (aSketchFeature.get() && aSketchFeature->data().get() &&
+               aSketchFeature->data()->isValid()) {
+        for (int i = 0; i < aSketchFeature->numberOfSubs() && !aCanDisplay; i++) {
+          FeaturePtr aSubFeature = aSketchFeature->subFeature(i);
+          std::list<ResultPtr> aResults = aSubFeature->results();
+          std::list<ResultPtr>::const_iterator aIt;
+          for (aIt = aResults.begin(); aIt != aResults.end() && !aCanDisplay; ++aIt) {
+            if (theObject == (*aIt))
+              aCanDisplay = true;
+          }
+          if (aSubFeature == theObject)
+            aCanDisplay = true;
+        }
+      }
+    }
+  }
+  else {
+    aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
+  }
+  return aCanDisplay;
 }
 
+void PartSet_Module::addViewerItems(QMenu* theMenu) const
+{
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  if (!PartSet_SketcherMgr::isSketchOperation(anOperation) &&
+      !PartSet_SketcherMgr::isNestedSketchOperation(anOperation))
+    return;
+
+  ModuleBase_ISelection* aSelection = myWorkshop->selection();
+  QObjectPtrList aObjects = aSelection->selectedPresentations();
+  if (aObjects.size() > 0) {
+    bool hasFeature = false;
+    foreach(ObjectPtr aObject, aObjects)
+    {
+      FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
+      if (aFeature.get() != NULL) {
+        hasFeature = true;
+      }
+    }
+    if (hasFeature) {
+      XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
+      XGUI_Workshop* aWorkshop = aConnector->workshop();
+      QAction* anAction = aWorkshop->contextMenuMgr()->action("DELETE_CMD");
+      theMenu->addAction(anAction);
+    }
+  }
+  bool isAuxiliary;
+  if (mySketchMgr->canSetAuxiliary(isAuxiliary)) {
+    QAction* anAction = action("AUXILIARY_CMD");
+    theMenu->addAction(anAction);
+    anAction->setChecked(isAuxiliary);
+  }
+}
 
 void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 {
   ModuleBase_IPropertyPanel* aPanel = theOperation->propertyPanel();
-  if ((theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) && 
-    (theOperation->isEditOperation())) {
+  if (PartSet_SketcherMgr::isSketchOperation(theOperation) &&  (theOperation->isEditOperation())) {
     // we have to manually activate the sketch label in edit mode
       aPanel->activateWidget(aPanel->modelWidgets().first());
       return;
@@ -283,30 +339,28 @@ void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
           std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Line::END_ID()));
         if (aPoint) {
           aPnt2dWgt->setPoint(aPoint->x(), aPoint->y());
-          PartSet_Tools::setConstraints(myCurrentSketch, theOperation->feature(), 
+          PartSet_Tools::setConstraints(mySketchMgr->activeSketch(), theOperation->feature(), 
             aWgt->attributeID(), aPoint->x(), aPoint->y());
-          theOperation->propertyPanel()->activateNextWidget(aPnt2dWgt);
+          aPanel->activateNextWidget(aPnt2dWgt);
         }
       }
     }
   } else {
     // Start editing constraint
     if (theOperation->isEditOperation()) {
+      // TODO: #391 - to be removed
       std::string aId = theOperation->id().toStdString();
-      if (sketchOperationIdList().contains(QString(aId.c_str()))) {
-        if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
-            (aId == SketchPlugin_ConstraintLength::ID()) || 
-            (aId == SketchPlugin_ConstraintDistance::ID())) {
-          // Find and activate widget for management of point for dimension line position
-          QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
-          foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
-            PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
-            if (aPntWgt) {
-              aPanel->activateWidget(aPntWgt);
-              return;
-            }
+      if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation) &&
+          PartSet_SketcherMgr::isDistanceOperation(theOperation)) {
+        // Find and activate widget for management of point for dimension line position
+        QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
+        foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
+          PartSet_WidgetPoint2D* aPntWgt = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
+          if (aPntWgt) {
+            aPanel->activateWidget(aPntWgt);
+            return;
           }
-        } 
+        }
       }
     }
   }
@@ -316,240 +370,33 @@ void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
 void PartSet_Module::onSelectionChanged()
 {
   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  bool isSketcherOp = false;
-  // An edit operation is enable only if the current opeation is the sketch operation
-  if (aOperation && myCurrentSketch) {
-    if (PartSet_Tools::sketchPlane(myCurrentSketch))
-      isSketcherOp = (aOperation->id().toStdString() == SketchPlugin_Sketch::ID());
-  }
-  if (!isSketcherOp)
+  if (!aOperation)
     return;
 
-  // Editing of constraints can be done on selection
-  ModuleBase_ISelection* aSelect = myWorkshop->selection();
-  QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
-  if (aSelected.size() == 1) {
-    ModuleBase_ViewerPrs aPrs = aSelected.first();
-    ObjectPtr aObject = aPrs.object();
-    FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
-    if (aFeature) {
-      std::string aId = aFeature->getKind();
-      if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
-          (aId == SketchPlugin_ConstraintLength::ID()) || 
-          (aId == SketchPlugin_ConstraintDistance::ID())) {
-        editFeature(aFeature);
-      }
-    }
+  bool isSketcherOp = false;
+  // An edit operation is enable only if the current opeation is the sketch operation
+  if (mySketchMgr->activeSketch()) {
+    if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
+      isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
   }
-}
-
-void PartSet_Module::onMousePressed(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent) 
-{
-  if (!(theEvent->buttons() & Qt::LeftButton))
-    return;
-
-  ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  // Use only for sketch operations
-  if (aOperation && myCurrentSketch) {
-    if (!PartSet_Tools::sketchPlane(myCurrentSketch))
-      return;
-
-    bool isSketcher = (aOperation->id().toStdString() == SketchPlugin_Sketch::ID());
-    bool isSketchOpe = sketchOperationIdList().contains(aOperation->id());
-
-    // Avoid non-sketch operations
-    if ((!isSketchOpe) && (!isSketcher))
-      return;
-
-    bool isEditing = aOperation->isEditOperation();
-
-    // Ignore creation sketch operation
-    if ((!isSketcher) && (!isEditing))
-      return;
-
-    if (theEvent->modifiers()) {
-      // If user performs multiselection
-      if (isSketchOpe && (!isSketcher))
-        if (!aOperation->commit())
-          aOperation->abort();
-      return;
-    }
-    // Remember highlighted objects for editing
+  if (isSketcherOp) {
+    // Editing of constraints can be done on selection
     ModuleBase_ISelection* aSelect = myWorkshop->selection();
-    QList<ModuleBase_ViewerPrs> aHighlighted = aSelect->getHighlighted();
     QList<ModuleBase_ViewerPrs> aSelected = aSelect->getSelected();
-    myEditingFeatures.clear();
-    myEditingAttr.clear();
-    if ((aHighlighted.size() == 0) && (aSelected.size() == 0)) {
-      if (isSketchOpe && (!isSketcher))
-        // commit previous operation
-        if (!aOperation->commit())
-          aOperation->abort();
-      return;
-    }
-
-    QObjectPtrList aSelObjects = getSumList(aHighlighted, aSelected);
-    if ((aHighlighted.size() == 1) && (aSelected.size() == 0)) {
-      // Move by selected shape (vertex). Can be used only for single selection
-      foreach(ModuleBase_ViewerPrs aPrs, aHighlighted) {
-        FeaturePtr aFeature = ModelAPI_Feature::feature(aHighlighted.first().object());
-        if (aFeature) {
-          myEditingFeatures.append(aFeature);
-          TopoDS_Shape aShape = aPrs.shape();
-          if (!aShape.IsNull()) {
-            if (aShape.ShapeType() == TopAbs_VERTEX) {
-              AttributePtr aAttr = PartSet_Tools::findAttributeBy2dPoint(myEditingFeatures.first(), 
-                                                                         aShape, myCurrentSketch);
-              if (aAttr)
-                myEditingAttr.append(aAttr);
-            }
-          }
-        }
-      }
-    } else {
-      // Provide multi-selection. Can be used only for features
-      foreach (ObjectPtr aObj, aSelObjects) {
-        FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
-        if (aFeature && (!myEditingFeatures.contains(aFeature)))
-          myEditingFeatures.append(aFeature);
-      }
-
-    }
-    // If nothing highlighted - return
-    if (myEditingFeatures.size() == 0)
-      return;
-
-    if (isSketcher) {
-      myIsDragging = true;
-      get2dPoint(theWnd, theEvent, myCurX, myCurY);
-      myDragDone = false;
-      myWorkshop->viewer()->enableSelection(false);
-      launchEditing();
-
-    } else if (isSketchOpe && isEditing) {
-      // If selected another object
-      aOperation->abort();
-
-      myIsDragging = true;
-      get2dPoint(theWnd, theEvent, myCurX, myCurY);
-      myDragDone = false;
-      myWorkshop->viewer()->enableSelection(false);
-
-      // This is necessary in order to finalize previous operation
-      QApplication::processEvents();
-      launchEditing();
-    }
-  }
-}
-
-
-void PartSet_Module::get2dPoint(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent, 
-                                double& theX, double& theY)
-{
-  Handle(V3d_View) aView = theWnd->v3dView();
-  gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
-  PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, theX, theY);
-}
-
-
-void PartSet_Module::launchEditing()
-{
-  if (myEditingFeatures.size() > 0) {
-    FeaturePtr aFeature = myEditingFeatures.first();
-    std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
-              std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-    if (aSPFeature) {
-      editFeature(aSPFeature);
-    }
-  }
-}
-
-void PartSet_Module::onMouseReleased(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
-{
-  myWorkshop->viewer()->enableSelection(true);
-  if (myIsDragging) {
-    myIsDragging = false;
-    if (myDragDone) {
-      myWorkshop->currentOperation()->commit();
-      myEditingFeatures.clear();
-      myEditingAttr.clear();
-    }
-  }
-}
-
-
-void PartSet_Module::onMouseMoved(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
-{
-  if (myIsDragging) {
-    ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-    if (aOperation->id().toStdString() == SketchPlugin_Sketch::ID())
-      return; // No edit operation activated
-
-    static Events_ID anEvent = Events_Loop::eventByName(EVENT_OBJECT_MOVED);
-    Handle(V3d_View) aView = theWnd->v3dView();
-    gp_Pnt aPoint = PartSet_Tools::convertClickToPoint(theEvent->pos(), aView);
-    double aX, aY;
-    PartSet_Tools::convertTo2D(aPoint, myCurrentSketch, aView, aX, aY);
-    double dX =  aX - myCurX;
-    double dY =  aY - myCurY;
-
-    if ((aOperation->id().toStdString() == SketchPlugin_Line::ID()) &&
-        (myEditingAttr.size() == 1) && 
-        myEditingAttr.first()) {
-      // probably we have prehighlighted point
-      AttributePtr aAttr = myEditingAttr.first();
-      std::string aAttrId = aAttr->id();
-      ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
-      QList<ModuleBase_ModelWidget*> aWidgets = aPanel->modelWidgets();
-      // Find corresponded widget to provide dragging
-      foreach (ModuleBase_ModelWidget* aWgt, aWidgets) {
-        if (aWgt->attributeID() == aAttrId) {
-          PartSet_WidgetPoint2D* aWgt2d = dynamic_cast<PartSet_WidgetPoint2D*>(aWgt);
-          if (aWgt2d) {
-            aWgt2d->setPoint(aWgt2d->x() + dX, aWgt2d->y() + dY);
-            break;
-          }
-        }
-      }
-    } else {
-      foreach(FeaturePtr aFeature, myEditingFeatures) {
-        std::shared_ptr<SketchPlugin_Feature> aSketchFeature =
-          std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-        if (aSketchFeature) { 
-          aSketchFeature->move(dX, dY);
-          ModelAPI_EventCreator::get()->sendUpdated(aSketchFeature, anEvent);
-        }
-      }
-      Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_MOVED));
-      Events_Loop::loop()->flush(Events_Loop::eventByName(EVENT_OBJECT_UPDATED));
-    }
-    myDragDone = true;
-    myCurX = aX;
-    myCurY = aY;
-  }
-}
-
-void PartSet_Module::onMouseDoubleClick(ModuleBase_IViewWindow* theWnd, QMouseEvent* theEvent)
-{
-  ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  if (aOperation && aOperation->isEditOperation()) {
-    std::string aId = aOperation->id().toStdString();
-    if ((aId == SketchPlugin_ConstraintLength::ID()) ||
-      (aId == SketchPlugin_ConstraintDistance::ID()) ||
-      (aId == SketchPlugin_ConstraintRadius::ID())) 
-    {
-      // Activate dimension value editing on double click
-      ModuleBase_IPropertyPanel* aPanel = aOperation->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();
-          return;
+    if (aSelected.size() == 1) {
+      ModuleBase_ViewerPrs aPrs = aSelected.first();
+      ObjectPtr aObject = aPrs.object();
+      FeaturePtr aFeature = ModelAPI_Feature::feature(aObject);
+      if (aFeature) {
+        std::string aId = aFeature->getKind();
+        if ((aId == SketchPlugin_ConstraintRadius::ID()) ||
+            (aId == SketchPlugin_ConstraintLength::ID()) || 
+            (aId == SketchPlugin_ConstraintDistance::ID())) {
+          editFeature(aFeature);
         }
       }
     }
-  }
+  } 
 }
 
 void PartSet_Module::onKeyRelease(ModuleBase_IViewWindow* theWnd, QKeyEvent* theEvent)
@@ -566,117 +413,229 @@ void PartSet_Module::onEnterReleased()
 
 void PartSet_Module::onOperationActivatedByPreselection()
 {
-  ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  if (!aOperation)
-    return;
-
-  // Set final definitions if they are necessary
-  //propertyPanelDefined(aOperation);
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
+    // Set final definitions if they are necessary
+    //propertyPanelDefined(aOperation);
 
-  /// Commit sketcher operations automatically
-  FeaturePtr aFeature = aOperation->feature();
-  std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
-            std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-  if (aSPFeature) {
-    aOperation->commit();
+    /// Commit sketcher operations automatically
+    anOperation->commit();
   }
 }
 
 void PartSet_Module::onNoMoreWidgets()
 {
-  ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  if (aOperation) {
-    /// Restart sketcher operations automatically
-    FeaturePtr aFeature = aOperation->feature();
-    std::shared_ptr<SketchPlugin_Feature> aSPFeature = 
-              std::dynamic_pointer_cast<SketchPlugin_Feature>(aFeature);
-    if (aSPFeature) {
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  if (anOperation) {
+    if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
       if (myRestartingMode != RM_Forbided)
         myRestartingMode = RM_LastFeatureUsed;
-      aOperation->commit();
+      anOperation->commit();
     }
   }
 }
 
-QStringList PartSet_Module::sketchOperationIdList() const
-{
-  QStringList aIds;
-  aIds << SketchPlugin_Line::ID().c_str();
-  aIds << SketchPlugin_Point::ID().c_str();
-  aIds << SketchPlugin_Arc::ID().c_str();
-  aIds << SketchPlugin_Circle::ID().c_str();
-  aIds << SketchPlugin_ConstraintLength::ID().c_str();
-  aIds << SketchPlugin_ConstraintDistance::ID().c_str();
-  aIds << SketchPlugin_ConstraintRigid::ID().c_str();
-  aIds << SketchPlugin_ConstraintRadius::ID().c_str();
-  aIds << SketchPlugin_ConstraintPerpendicular::ID().c_str();
-  aIds << SketchPlugin_ConstraintParallel::ID().c_str();
-  return aIds;
-}
-
-void PartSet_Module::onVertexSelected(ObjectPtr theObject, const TopoDS_Shape& theShape)
+void PartSet_Module::onVertexSelected()
 {
   ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
   if (aOperation->id().toStdString() == SketchPlugin_Line::ID()) {
     /// If last line finished on vertex the lines creation sequence has to be break
     ModuleBase_IPropertyPanel* aPanel = aOperation->propertyPanel();
+    ModuleBase_ModelWidget* anActiveWidget = aPanel->activeWidget();
     const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
-    if (aWidgets.last() == aPanel->activeWidget()) {
-      myRestartingMode = RM_Forbided;
+    QList<ModuleBase_ModelWidget*>::const_iterator anIt = aWidgets.begin(), aLast = aWidgets.end();
+    bool aFoundWidget = false;
+    bool aFoundObligatory = false;
+    for (; anIt != aLast && !aFoundObligatory; anIt++) {
+      if (!aFoundWidget)
+        aFoundWidget = *anIt == anActiveWidget;
+      else
+        aFoundObligatory = (*anIt)->isObligatory();
     }
+    if (!aFoundObligatory)
+      myRestartingMode = RM_Forbided;
   }
 }
 
-QWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
-                                            Config_WidgetAPI* theWidgetApi, std::string theParentId,
-                                            QList<ModuleBase_ModelWidget*>& theModelWidgets)
+ModuleBase_ModelWidget* PartSet_Module::createWidgetByType(const std::string& theType, QWidget* theParent,
+                                            Config_WidgetAPI* theWidgetApi, std::string theParentId)
 {
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
   XGUI_Workshop* aWorkshop = aConnector->workshop();
+  ModuleBase_ModelWidget* aWgt = NULL;
   if (theType == "sketch-start-label") {
-    PartSet_WidgetSketchLabel* aWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
-    aWgt->setWorkshop(aWorkshop);
-    connect(aWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)), 
-      this, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
-
+    PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent, theWidgetApi, theParentId);
+    aLabelWgt->setWorkshop(aWorkshop);
+    connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
+      mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
+    aWgt = aLabelWgt;
   } else if (theType == "sketch-2dpoint_selector") {
-    PartSet_WidgetPoint2D* aWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
-    aWgt->setWorkshop(aWorkshop);
-    aWgt->setSketch(myCurrentSketch);
+    PartSet_WidgetPoint2D* aPointWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
+    aPointWgt->setWorkshop(aWorkshop);
+    aPointWgt->setSketch(mySketchMgr->activeSketch());
+    connect(aPointWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
+    aWgt = aPointWgt;
+  } if (theType == "point2ddistance") {
+    PartSet_WidgetPoint2dDistance* aDistanceWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
+    aDistanceWgt->setWorkshop(aWorkshop);
+    aDistanceWgt->setSketch(mySketchMgr->activeSketch());
+    aWgt = aDistanceWgt;
+  } if (theType == "sketch_shape_selector") {
+    PartSet_WidgetShapeSelector* aShapeSelectorWgt =
+      new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
+    aShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
+    aWgt = aShapeSelectorWgt;
+  } if (theType == "sketch_constraint_shape_selector") {
+    PartSet_WidgetConstraintShapeSelector* aConstraintShapeSelectorWgt =
+      new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
+    aConstraintShapeSelectorWgt->setSketcher(mySketchMgr->activeSketch());
+    aWgt = aConstraintShapeSelectorWgt;
+  }
+  return aWgt;
+}
 
-    connect(aWgt, SIGNAL(vertexSelected(ObjectPtr, const TopoDS_Shape&)), 
-      this, SLOT(onVertexSelected(ObjectPtr, const TopoDS_Shape&)));
+void PartSet_Module::createActions()
+{
+  QAction* anAction;
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+  anAction = new QAction(tr("Auxiliary"), this);
+  anAction->setCheckable(true);
+  addAction("AUXILIARY_CMD", anAction);
+}
 
-  } if (theType == "point2ddistance") {
-    PartSet_WidgetPoint2dDistance* aWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
-    aWgt->setWorkshop(aWorkshop);
-    aWgt->setSketch(myCurrentSketch);
+QAction* PartSet_Module::action(const QString& theId) const
+{
+  if (myActions.contains(theId))
+    return myActions[theId];
+  return 0;
+}
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+void PartSet_Module::addAction(const QString& theId, QAction* theAction)
+{
+  if (myActions.contains(theId))
+    qCritical("A command with Id = '%s' already defined!", qPrintable(theId));
+  theAction->setData(theId);
+  connect(theAction, SIGNAL(triggered(bool)), this, SLOT(onAction(bool)));
+  myActions[theId] = theAction;
+}
 
-  } if (theType == "sketch_shape_selector") {
-    PartSet_WidgetShapeSelector* aWgt = 
-      new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
-    aWgt->setSketcher(myCurrentSketch);
+void PartSet_Module::onAction(bool isChecked)
+{
+  QAction* aAction = static_cast<QAction*>(sender());
+  QString anId = aAction->data().toString();
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+  if (anId == "AUXILIARY_CMD") {
+    mySketchMgr->setAuxiliary(isChecked);
+  }
+}
 
-  } if (theType == "sketch_constraint_shape_selector") {
-    PartSet_WidgetConstraintShapeSelector* aWgt = 
-      new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
-    aWgt->setSketcher(myCurrentSketch);
+bool PartSet_Module::deleteObjects()
+{
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
+       isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
+  if (!isSketchOp && !isNestedOp)
+    return false;
+
+  // sketch feature should be skipped, only sub-features can be removed
+  // when sketch operation is active
+  CompositeFeaturePtr aSketch = mySketchMgr->activeSketch();
+
+  // selected objects should be collected before the current operation abort because
+  // the abort leads to selection lost on constraint objects. It can be corrected after #386 issue
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
+  XGUI_Workshop* aWorkshop = aConnector->workshop();
+  ModuleBase_ISelection* aSel = aConnector->selection();
+  QObjectPtrList aSelectedObj = aSel->selectedPresentations();
+
+  // if there are no selected objects in the viewer, that means that the selection in another
+  // place cased this method. It is necessary to return the false value to understande in above
+  // method that delete is not processed
+  if (aSelectedObj.count() == 0)
+    return false;
+
+  if (isNestedOp)
+    anOperation->abort();
+
+  // the active nested sketch operation should be aborted unconditionally
+  if (PartSet_SketcherMgr::isNestedSketchOperation(anOperation))
+    anOperation->abort();
+
+  std::set<FeaturePtr> aRefFeatures;
+  foreach (ObjectPtr aObj, aSelectedObj)
+  {
+    //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+    //if (aPart) {
+      // TODO: check for what there is this condition. It is placed here historicaly because
+      // ther is this condition during remove features.
+    //} else {
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature.get() != NULL) {
+      aObj->document()->refsToFeature(aFeature, aRefFeatures, false);
+    }
+    //}
+  }
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+  QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
+  /**
+  // according to #355 feature, it is not necessary to inform about dependencies during
+  // sketch delete operation
+  // 
+  if (!aRefFeatures.empty()) {
+    QStringList aRefNames;
+    std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                         aLast = aRefFeatures.end();
+    for (; anIt != aLast; anIt++) {
+      FeaturePtr aFeature = (*anIt);
+      if (aFeature == aSketch)
+        continue;
+      aRefNames.append((*anIt)->name().c_str());
+    }
+    if (!aRefNames.empty()) {
+      QString aNames = aRefNames.join(", ");
+      aDescription += aNames.prepend(" ");
+
+      QMainWindow* aDesktop = aWorkshop->desktop();
+      QMessageBox::StandardButton aRes = QMessageBox::warning(
+          aDesktop, tr("Delete features"),
+          QString(tr("Selected features are used in the following features: %1.\
+  These features will be deleted also. Would you like to continue?")).arg(aNames),
+          QMessageBox::No | QMessageBox::Yes, QMessageBox::No);
+      if (aRes != QMessageBox::Yes)
+        return;
+    }
+  }*/
 
-  }else
-    return 0;
-}
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->startOperation(aDescription.toStdString());
+  std::set<FeaturePtr>::const_iterator anIt = aRefFeatures.begin(),
+                                       aLast = aRefFeatures.end();
+  for (; anIt != aLast; anIt++) {
+    FeaturePtr aRefFeature = (*anIt);
+    if (aRefFeature == aSketch)
+      continue;
+    aRefFeature->document()->removeFeature(aRefFeature);
+  }
 
+  foreach (ObjectPtr aObj, aSelectedObj)
+  {
+    DocumentPtr aDoc = aObj->document();
+    //ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(aObj);
+    //if (aPart) {
+    //  if (aDoc == aMgr->activeDocument()) {
+    //    aDoc->close();
+    //  }
+    //} else {
+      //FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(aObj);
+    FeaturePtr aFeature = ModelAPI_Feature::feature(aObj);
+    if (aFeature.get() != NULL) {
+      aDoc->removeFeature(aFeature);
+    }
+    //}
+  }
+  aWorkshop->displayer()->updateViewer();
+  //myDisplayer->updateViewer();
+  aMgr->finishOperation();
+
+  return true;
+}