Salome HOME
Merge branch 'Dev_1.1.0' of newgeom:newgeom into Dev_1.1.0
[modules/shaper.git] / src / PartSet / PartSet_Module.cpp
index 2b92c351a5ec2fdf8a88d31fd0c77168050d70cb..a38f41b65a24baa598eafd38c2526b9f120fbaae 100644 (file)
@@ -7,7 +7,9 @@
 #include <PartSet_WidgetPoint2d.h>
 #include <PartSet_WidgetPoint2dDistance.h>
 #include <PartSet_WidgetShapeSelector.h>
-#include <PartSet_SketcherMgr.h>
+#include <PartSet_WidgetEditor.h>
+#include "PartSet_SketcherMgr.h"
+#include "PartSet_MenuMgr.h"
 
 #include <ModuleBase_Operation.h>
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_IPropertyPanel.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 <GeomValidators_Edge.h>
+#include <GeomValidators_EdgeOrVertex.h>
+#include <GeomValidators_Face.h>
+#include <GeomValidators_ConstructionComposite.h>
+
 
 #include <ModelAPI_Object.h>
 #include <ModelAPI_Events.h>
 #include <XGUI_OperationMgr.h>
 #include <XGUI_PropertyPanel.h>
 #include <XGUI_ModuleConnector.h>
+#include <XGUI_ContextMenuMgr.h>
 #include <XGUI_Tools.h>
 
 #include <SketchPlugin_Feature.h>
 #include <SketchPlugin_Sketch.h>
 #include <SketchPlugin_Line.h>
-//#include <SketchPlugin_Arc.h>
-//#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Arc.h>
+#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Point.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 <SketcherPrs_SymbolPrs.h>
+#include <SketcherPrs_Tools.h>
 
 #include <Events_Loop.h>
 #include <Config_PropManager.h>
+#include <Config_Keywords.h>
 
 #include <StdSelect_TypeOfFace.hxx>
 #include <TopoDS_Vertex.hxx>
 #include <TopoDS.hxx>
 #include <TopoDS_Shape.hxx>
 #include <BRep_Tool.hxx>
+#include <AIS_Dimension.hxx>
 
 #include <QObject>
 #include <QMouseEvent>
 #include <QString>
 #include <QTimer>
 #include <QApplication>
+#include <QMessageBox>
+#include <QMainWindow>
 
 #include <GeomAlgoAPI_FaceBuilder.h>
 #include <GeomDataAPI_Dir.h>
@@ -81,9 +91,8 @@ extern "C" PARTSET_EXPORT ModuleBase_IModule* createModule(ModuleBase_IWorkshop*
 
 PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
   : ModuleBase_IModule(theWshop), 
-  myRestartingMode(RM_None)
+  myRestartingMode(RM_None), myVisualLayerId(0)
 {
-  //myWorkshop = dynamic_cast<XGUI_Workshop*>(theWshop);
   mySketchMgr = new PartSet_SketcherMgr(this);
 
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(theWshop);
@@ -97,6 +106,10 @@ PartSet_Module::PartSet_Module(ModuleBase_IWorkshop* theWshop)
   ModuleBase_IViewer* aViewer = theWshop->viewer();
   connect(aViewer, SIGNAL(keyRelease(ModuleBase_IViewWindow*, QKeyEvent*)),
           this, SLOT(onKeyRelease(ModuleBase_IViewWindow*, QKeyEvent*)));
+  connect(aViewer, SIGNAL(viewTransformed(int)),
+          SLOT(onViewTransformed(int)));
+
+  myMenuMgr = new PartSet_MenuMgr(this);
 }
 
 PartSet_Module::~PartSet_Module()
@@ -110,15 +123,33 @@ void PartSet_Module::registerValidators()
   //Registering of validators
   SessionPtr aMgr = ModelAPI_Session::get();
   ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
-  aFactory->registerValidator("PartSet_DistanceValidator", new PartSet_DistanceValidator);
-  aFactory->registerValidator("PartSet_LengthValidator", new PartSet_LengthValidator);
-  aFactory->registerValidator("PartSet_PerpendicularValidator", new PartSet_PerpendicularValidator);
-  aFactory->registerValidator("PartSet_ParallelValidator", new PartSet_ParallelValidator);
-  aFactory->registerValidator("PartSet_RadiusValidator", new PartSet_RadiusValidator);
-  aFactory->registerValidator("PartSet_RigidValidator", new PartSet_RigidValidator);
+  aFactory->registerValidator("PartSet_DistanceSelection", new PartSet_DistanceSelection);
+  aFactory->registerValidator("PartSet_LengthSelection", new PartSet_LengthSelection);
+  aFactory->registerValidator("PartSet_PerpendicularSelection", new PartSet_PerpendicularSelection);
+  aFactory->registerValidator("PartSet_ParallelSelection", new PartSet_ParallelSelection);
+  aFactory->registerValidator("PartSet_RadiusSelection", new PartSet_RadiusSelection);
+  aFactory->registerValidator("PartSet_RigidSelection", new PartSet_RigidSelection);
+  aFactory->registerValidator("PartSet_CoincidentSelection", new PartSet_CoincidentSelection);
+  aFactory->registerValidator("PartSet_HVDirSelection", new PartSet_HVDirSelection);
+  aFactory->registerValidator("PartSet_TangentSelection", new PartSet_TangentSelection);
+  aFactory->registerValidator("PartSet_FilletSelection", new PartSet_FilletSelection);
+
   aFactory->registerValidator("PartSet_DifferentObjects", new PartSet_DifferentObjectsValidator);
   aFactory->registerValidator("PartSet_DifferentShapes", new ModelAPI_ShapeValidator);
-  aFactory->registerValidator("PartSet_SketchValidator", new PartSet_SketchValidator);
+
+  aFactory->registerValidator("GeomValidators_Edge", new GeomValidators_Edge);
+  aFactory->registerValidator("GeomValidators_EdgeOrVertex",
+                              new GeomValidators_EdgeOrVertex);
+  aFactory->registerValidator("GeomValidators_Face", new GeomValidators_Face);
+
+  aFactory->registerValidator("GeomValidators_ConstructionComposite",
+                              new GeomValidators_ConstructionComposite);
+
+  aFactory->registerValidator("PartSet_SketchEntityValidator",
+                              new PartSet_SketchEntityValidator);
+
+  aFactory->registerValidator("PartSet_SameTypeAttr",
+                              new PartSet_SameTypeAttrValidator);
 }
 
 void PartSet_Module::registerFilters()
@@ -126,13 +157,6 @@ void PartSet_Module::registerFilters()
   //Registering of selection filters
   XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(workshop());
   ModuleBase_FilterFactory* aFactory = aConnector->selectionFilters();
-
-  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));
 }
 
 void PartSet_Module::registerProperties()
@@ -145,6 +169,10 @@ void PartSet_Module::registerProperties()
 
 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
@@ -182,9 +210,15 @@ void PartSet_Module::operationAborted(ModuleBase_Operation* theOperation)
 
 void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 {
-  if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
+  if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
+    Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
+    aViewer->AddZLayer(myVisualLayerId);
     mySketchMgr->startSketch(theOperation);
   }
+  else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
+    mySketchMgr->startNestedSketch(theOperation);
+  }
+
   if (myDocumentShapeFilter.IsNull())
     myDocumentShapeFilter = new PartSet_GlobalFilter(myWorkshop);
   myWorkshop->viewer()->addSelectionFilter(myDocumentShapeFilter);
@@ -192,51 +226,70 @@ void PartSet_Module::operationStarted(ModuleBase_Operation* theOperation)
 
 void PartSet_Module::operationStopped(ModuleBase_Operation* theOperation)
 {
-  if (theOperation->id().toStdString() == SketchPlugin_Sketch::ID()) {
+  if (PartSet_SketcherMgr::isSketchOperation(theOperation)) {
     mySketchMgr->stopSketch(theOperation);
+    Handle(V3d_Viewer) aViewer = myWorkshop->viewer()->AISContext()->CurrentViewer();
+    aViewer->RemoveZLayer(myVisualLayerId);
+    myVisualLayerId = 0;
+  }
+  else if (PartSet_SketcherMgr::isNestedSketchOperation(theOperation)) {
+    mySketchMgr->stopNestedSketch(theOperation);
   }
   myWorkshop->viewer()->removeSelectionFilter(myDocumentShapeFilter);
 }
 
-bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
+ModuleBase_Operation* PartSet_Module::currentOperation() const
 {
-  bool aCanDisplay = false;
-  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;
-        }
-      }
-    }
+  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();
   }
-  else {
-    aCanDisplay = ModuleBase_IModule::canDisplayObject(theObject);
+  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 aCanDisplay;
+  return aCanRedo;
+}
+
+bool PartSet_Module::canDisplayObject(const ObjectPtr& theObject) const
+{
+  // the sketch manager put the restriction to the objects display
+  return mySketchMgr->canDisplayObject(theObject);
+}
+
+
+bool PartSet_Module::addViewerItems(QMenu* theMenu, const QMap<QString, QAction*>& theStdActions) const
+{
+  return myMenuMgr->addViewerItems(theMenu, theStdActions);
+}
+
+bool PartSet_Module::isMouseOverWindow()
+{
+  return mySketchMgr->isMouseOverWindow();
 }
 
 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;
@@ -265,20 +318,17 @@ void PartSet_Module::propertyPanelDefined(ModuleBase_Operation* theOperation)
     if (theOperation->isEditOperation()) {
       // TODO: #391 - to be removed
       std::string aId = theOperation->id().toStdString();
-      if (PartSet_SketcherMgr::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;
           }
-        } 
+        }
       }
     }
   }
@@ -295,7 +345,7 @@ void PartSet_Module::onSelectionChanged()
   // An edit operation is enable only if the current opeation is the sketch operation
   if (mySketchMgr->activeSketch()) {
     if (PartSet_Tools::sketchPlane(mySketchMgr->activeSketch()))
-      isSketcherOp = (aOperation->id().toStdString() == SketchPlugin_Sketch::ID());
+      isSketcherOp = PartSet_SketcherMgr::isSketchOperation(aOperation);
   }
   if (isSketcherOp) {
     // Editing of constraints can be done on selection
@@ -331,34 +381,24 @@ void PartSet_Module::onEnterReleased()
 
 void PartSet_Module::onOperationActivatedByPreselection()
 {
-  ModuleBase_Operation* aOperation = myWorkshop->currentOperation();
-  if (!aOperation)
-    return;
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  if(anOperation && PartSet_SketcherMgr::isNestedSketchOperation(anOperation)) {
+    // Set final definitions if they are necessary
+    //propertyPanelDefined(aOperation);
 
-  // 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();
     }
   }
 }
@@ -369,62 +409,152 @@ void PartSet_Module::onVertexSelected()
   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>&)), 
+    PartSet_WidgetSketchLabel* aLabelWgt = new PartSet_WidgetSketchLabel(theParent, 
+      theWidgetApi, theParentId, mySketchMgr->isConstraintsShown());
+    aLabelWgt->setWorkshop(aWorkshop);
+    connect(aLabelWgt, SIGNAL(planeSelected(const std::shared_ptr<GeomAPI_Pln>&)),
       mySketchMgr, SLOT(onPlaneSelected(const std::shared_ptr<GeomAPI_Pln>&)));
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
-
+    connect(aLabelWgt, SIGNAL(showConstraintToggled(bool)),
+      mySketchMgr, SLOT(onShowConstraintsToggle(bool)));
+    aWgt = aLabelWgt;
   } else if (theType == "sketch-2dpoint_selector") {
-    PartSet_WidgetPoint2D* aWgt = new PartSet_WidgetPoint2D(theParent, theWidgetApi, theParentId);
-    aWgt->setWorkshop(aWorkshop);
-    aWgt->setSketch(mySketchMgr->activeSketch());
+    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 == WDG_DOUBLEVALUE_EDITOR) {
+    aWgt = new PartSet_WidgetEditor(theParent, workshop(), theWidgetApi, theParentId);
+  } 
+  return aWgt;
+}
 
-    connect(aWgt, SIGNAL(vertexSelected()), this, SLOT(onVertexSelected()));
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+bool PartSet_Module::deleteObjects()
+{
+  // 1. check whether the delete should be processed in the module
+  ModuleBase_Operation* anOperation = myWorkshop->currentOperation();
+  bool isSketchOp = PartSet_SketcherMgr::isSketchOperation(anOperation),
+       isNestedOp = PartSet_SketcherMgr::isNestedSketchOperation(anOperation);
+  if (!isSketchOp && !isNestedOp)
+    return false;
+
+  // 2. find selected presentations
+  // 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 = workshop()->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;
+
+  // the active nested sketch operation should be aborted unconditionally
+  if (isNestedOp)
+    anOperation->abort();
+
+  // 3. start operation
+  QString aDescription = aWorkshop->contextMenuMgr()->action("DELETE_CMD")->text();
+  SessionPtr aMgr = ModelAPI_Session::get();
+  aMgr->startOperation(aDescription.toStdString());
+
+  // 4. delete features
+  // sketch feature should be skipped, only sub-features can be removed
+  // when sketch operation is active
+  std::set<FeaturePtr> anIgnoredFeatures;
+  anIgnoredFeatures.insert(mySketchMgr->activeSketch());
+  aWorkshop->deleteFeatures(aSelectedObj, anIgnoredFeatures);
+  
+  // 5. stop operation
+  aWorkshop->displayer()->updateViewer();
+  aMgr->finishOperation();
+
+  return true;
+}
 
-  } if (theType == "point2ddistance") {
-    PartSet_WidgetPoint2dDistance* aWgt = new PartSet_WidgetPoint2dDistance(theParent, theWidgetApi, theParentId);
-    aWgt->setWorkshop(aWorkshop);
-    aWgt->setSketch(mySketchMgr->activeSketch());
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+void PartSet_Module::onObjectDisplayed(ObjectPtr theObject, AISObjectPtr theAIS) 
+{
+  Handle(AIS_InteractiveObject) anAIS = theAIS->impl<Handle(AIS_InteractiveObject)>();
+  if (!anAIS.IsNull()) {
+    Handle(AIS_InteractiveContext) aCtx = anAIS->GetContext();
+    Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(anAIS);
+    if (!aDim.IsNull()) {
+      aCtx->SetZLayer(aDim, myVisualLayerId);
+    } else {
+      Handle(SketcherPrs_SymbolPrs) aCons = Handle(SketcherPrs_SymbolPrs)::DownCast(anAIS);
+      if (!aCons.IsNull())
+        aCtx->SetZLayer(aCons, myVisualLayerId);
+    }
+  }
+}
+
+void PartSet_Module::onViewTransformed(int theTrsfType)
+{
+  // Set length of arrows constant in pixel size
+  // if the operation is panning or rotate or panglobal then do nothing
+  if ((theTrsfType == 1) || (theTrsfType == 3) || (theTrsfType == 4))
+    return;
 
-  } if (theType == "sketch_shape_selector") {
-    PartSet_WidgetShapeSelector* aWgt = 
-      new PartSet_WidgetShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
-    aWgt->setSketcher(mySketchMgr->activeSketch());
+  ModuleBase_IViewer* aViewer = myWorkshop->viewer();
+  Handle(V3d_View) aView = aViewer->activeView();
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myWorkshop);
+  XGUI_Workshop* aWorkshop = aConnector->workshop();
+  XGUI_Displayer* aDisplayer = aWorkshop->displayer();
+  Handle(AIS_InteractiveContext) aContext = myWorkshop->viewer()->AISContext();
 
-  } if (theType == "sketch_constraint_shape_selector") {
-    PartSet_WidgetConstraintShapeSelector* aWgt = 
-      new PartSet_WidgetConstraintShapeSelector(theParent, workshop(), theWidgetApi, theParentId);
-    aWgt->setSketcher(mySketchMgr->activeSketch());
+  double aLen = aView->Convert(15);
 
-    theModelWidgets.append(aWgt);
-    return aWgt->getControl();
+  SketcherPrs_Tools::setArrowSize(aLen);
+  bool isModified = false;
+  QList<AISObjectPtr> aPrsList = aDisplayer->displayedPresentations();
+  foreach (AISObjectPtr aAIS, aPrsList) {
+    Handle(AIS_InteractiveObject) aAisObj = aAIS->impl<Handle(AIS_InteractiveObject)>();
 
-  } else
-    return 0;
+    Handle(AIS_Dimension) aDim = Handle(AIS_Dimension)::DownCast(aAisObj);
+    if (!aDim.IsNull()) {
+      aDim->DimensionAspect()->ArrowAspect()->SetLength(aLen);
+      aContext->Redisplay(aDim, false);
+      isModified = true;
+    }
+  }
+  if (isModified)
+    aDisplayer->updateViewer();
 }
-