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Issue #1834: Fix length of lines
[modules/shaper.git] / src / PartSet / PartSet_WidgetSketchCreator.cpp
index 7f08fe33e3d90ac2f1da0f3789ce28e062d2417d..9e03258187a161f975b9913a4e88f6368200823b 100644 (file)
@@ -6,19 +6,31 @@
 
 #include "PartSet_WidgetSketchCreator.h"
 #include "PartSet_Module.h"
+#include "PartSet_WidgetSketchLabel.h"
+#include "PartSet_PreviewPlanes.h"
+
+#include <Config_Keywords.h>
 
 #include <XGUI_ModuleConnector.h>
 #include <XGUI_Workshop.h>
 #include <XGUI_Displayer.h>
 #include <XGUI_SelectionMgr.h>
 #include <XGUI_OperationMgr.h>
+#include <XGUI_PropertyPanel.h>
+#include <XGUI_Tools.h>
+#include <XGUI_ViewerProxy.h>
 
 #include <GeomAPI_Face.h>
 
+#include <Events_InfoMessage.h>
+
 #include <ModelAPI_Session.h>
 #include <ModelAPI_ResultBody.h>
 #include <ModelAPI_AttributeSelection.h>
 #include <ModelAPI_AttributeSelectionList.h>
+#include <ModelAPI_Validator.h>
+#include <ModelAPI_Events.h>
+#include <ModelAPI_ResultConstruction.h>
 
 #include <SketchPlugin_SketchEntity.h>
 #include <FeaturesPlugin_CompositeBoolean.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_Operation.h>
 #include <ModuleBase_IPropertyPanel.h>
+#include <ModuleBase_OperationFeature.h>
+#include <ModuleBase_ViewerPrs.h>
+
 #include <Config_WidgetAPI.h>
 
+#include <Events_Loop.h>
+
 #include <QLabel>
 #include <QLineEdit>
-#include <QFormLayout>
+//#include <QFormLayout>
+#include <QVBoxLayout>
 #include <QMessageBox>
+#include <QMainWindow>
+
+#define DEBUG_UNDO_INVALID_SKETCH
 
 PartSet_WidgetSketchCreator::PartSet_WidgetSketchCreator(QWidget* theParent, 
                                                          PartSet_Module* theModule,
-                                                         const Config_WidgetAPI* theData,
-                                                         const std::string& theParentId)
-: ModuleBase_ModelWidget(theParent, theData, theParentId), myModule(theModule)
+                                                         const Config_WidgetAPI* theData)
+: ModuleBase_WidgetSelector(theParent, theModule->workshop(), theData),
+  myModule(theModule), myIsCustomAttribute(false)
 {
-  QFormLayout* aLayout = new QFormLayout(this);
+  myAttributeListID = theData->getProperty("attribute_list_id");
+
+  //QFormLayout* aLayout = new QFormLayout(this);
+  QVBoxLayout* aLayout = new QVBoxLayout(this);
+  ModuleBase_Tools::zeroMargins(aLayout);
+
   ModuleBase_Tools::adjustMargins(aLayout);
 
   QString aLabelText = QString::fromStdString(theData->widgetLabel());
   QString aLabelIcon = QString::fromStdString(theData->widgetIcon());
-  myLabel = new QLabel(aLabelText, this);
-  if (!aLabelIcon.isEmpty())
-    myLabel->setPixmap(QPixmap(aLabelIcon));
 
+  myLabel = new QLabel(aLabelText, this);
+  myLabel->setWordWrap(true);
+  aLayout->addWidget(myLabel);
+  aLayout->addStretch(1);
 
-  QString aToolTip = QString::fromStdString(theData->widgetTooltip());
-  myTextLine = new QLineEdit(this);
-  myTextLine->setReadOnly(true);
-  myTextLine->setToolTip(aToolTip);
-  myTextLine->installEventFilter(this);
+  std::string aTypes = theData->getProperty("shape_types");
+  myShapeTypes = QString(aTypes.c_str()).split(' ', QString::SkipEmptyParts);
 
-  aLayout->addRow(myLabel, myTextLine);
+  myPreviewPlanes = new PartSet_PreviewPlanes();
 }
 
 PartSet_WidgetSketchCreator::~PartSet_WidgetSketchCreator()
 {
+  // we need to deactivate here in order to hide preview planes if the selection mode is
+  // active
+  deactivate();
 }
 
 QList<QWidget*> PartSet_WidgetSketchCreator::getControls() const
 {
   QList<QWidget*> aControls;
-  aControls.append(myTextLine);
+  aControls.append(myLabel);
   return aControls;
 }
 
-bool PartSet_WidgetSketchCreator::restoreValue()
+bool PartSet_WidgetSketchCreator::restoreValueCustom()
 {
-  CompositeFeaturePtr aCompFeature = 
-    std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
-  if (aCompFeature->numberOfSubs() > 0) {
-    FeaturePtr aSubFeature = aCompFeature->subFeature(0);
-    myTextLine->setText(QString::fromStdString(aSubFeature->data()->name()));
-  }
   return true;
 }
 
-bool PartSet_WidgetSketchCreator::storeValueCustom() const
+bool PartSet_WidgetSketchCreator::storeValueCustom()
 {
   return true;
 }
 
-void PartSet_WidgetSketchCreator::activateCustom()
+AttributePtr PartSet_WidgetSketchCreator::attribute() const
 {
-  CompositeFeaturePtr aCompFeature = 
-    std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
-  if (aCompFeature->numberOfSubs() == 0)
-    connect(myModule, SIGNAL(operationLaunched()), SLOT(onStarted()));
-}
-
-void PartSet_WidgetSketchCreator::onStarted()
-{
-  disconnect(myModule, SIGNAL(operationLaunched()), this, SLOT(onStarted()));
-
-  // Check that model already has bodies
-  XGUI_ModuleConnector* aConnector = dynamic_cast<XGUI_ModuleConnector*>(myModule->workshop());
-  XGUI_Workshop* aWorkshop = aConnector->workshop();
-  XGUI_Displayer* aDisp = aWorkshop->displayer();
-  QObjectPtrList aObjList = aDisp->displayedObjects();
-  bool aHasBody = false;
-  ResultBodyPtr aBody;
-  foreach(ObjectPtr aObj, aObjList) {
-    aBody = std::dynamic_pointer_cast<ModelAPI_ResultBody>(aObj);
-    if (aBody.get() != NULL) {
-      aHasBody = true;
-      break;
+  AttributePtr anAttribute;
+  if (myIsCustomAttribute)
+    anAttribute = myFeature->attribute(myAttributeListID);
+  else
+    anAttribute = ModuleBase_WidgetSelector::attribute();
+
+  return anAttribute;
+}
+
+//********************************************************************
+void PartSet_WidgetSketchCreator::openExtrusionTransaction()
+{
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool aIsOp = aMgr->isOperation();
+  if (!aIsOp) {
+    const static std::string aNestedOpID("Parameters modification");
+    aMgr->startOperation(aNestedOpID, true);
+  }
+}
+
+//********************************************************************
+bool PartSet_WidgetSketchCreator::isValidSelection(const ModuleBase_ViewerPrsPtr& theValue)
+{
+  bool aValid = false;
+  if (myIsCustomAttribute) {
+    // check only suiting of the value to custom attribute (myAttributeListID)
+    // do not cash of validation to avoid using states, stored for XML attribute
+    // there is an alternative is to call clearValidatedCash() in setSelection()
+    aValid = isValidSelectionForAttribute(theValue, attribute());
+  }
+  else { /// if the validated attribute is already custom
+    if (getValidState(theValue, aValid)) {
+      return aValid;
+    }
+    aValid = isValidSelectionCustom(theValue);
+    if (!aValid)
+      // check selection to create new sketh (XML current attribute)
+      aValid = isValidSelectionForAttribute(theValue, attribute());
+    if (!aValid) {
+      // check selection to fill list attribute (myAttributeListID)
+      bool isCustomAttribute = myIsCustomAttribute;
+      myIsCustomAttribute = true;
+      aValid = isValidSelectionForAttribute(theValue, attribute());
+      myIsCustomAttribute = isCustomAttribute;
     }
   }
+  storeValidState(theValue, aValid);
+  return aValid;
+}
+
+//********************************************************************
+bool PartSet_WidgetSketchCreator::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& theValue)
+{
+  return PartSet_WidgetSketchLabel::canFillSketch(theValue);
+}
+
+void PartSet_WidgetSketchCreator::activateSelectionControl()
+{
+  // we need to call activate here as the widget has no focus accepted controls
+  // if these controls are added here, activate will happens automatically after focusIn()
+  XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+  XGUI_PropertyPanel* aPanel = aWorkshop->propertyPanel();
+  aPanel->activateWidget(this, false);
+}
 
-  if (aHasBody) {
-    // Launch Sketch operation
-    CompositeFeaturePtr aCompFeature = 
-      std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
-    FeaturePtr aSketch = aCompFeature->addFeature("Sketch");
+void PartSet_WidgetSketchCreator::setVisibleSelectionControl(const bool theSelectionControl)
+{
+  // hide current widget, activate the next widget
+  XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+  XGUI_PropertyPanel* aPanel = aWorkshop->propertyPanel();
+  const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
+  foreach(ModuleBase_ModelWidget* aWidget, aWidgets) {
+    if (theSelectionControl) { // hide other controls
+      if (aWidget != this)
+        aWidget->setVisible(false);
+    }
+    else { // hide current control
+      if (aWidget == this)
+        aWidget->setVisible(false);
+      else {
+        aWidget->setVisible(true);
+        if (aWidget->attributeID() == myAttributeListID)
+          setEnabledModelWidget(aWidget, !hasSubObjects());
+      }
+    }
+  }
 
-    ModuleBase_Operation* anOperation = myModule->createOperation("Sketch");
-    anOperation->setFeature(aSketch);
-    myModule->sendOperation(anOperation);
-    //connect(anOperation, SIGNAL(aborted()), aWorkshop->operationMgr(), SLOT(abortAllOperations()));
+  if (theSelectionControl) {
+    bool aBodyIsVisualized = myPreviewPlanes->hasVisualizedBodies(myWorkshop);
+    bool aSketchIsVisualized = myPreviewPlanes->hasVisualizedSketch(myWorkshop);
+    if (!aBodyIsVisualized && !aSketchIsVisualized) {
+      // We have to select a plane before any operation
+      myPreviewPlanes->showPreviewPlanes(myWorkshop);
+    }
   } else {
-    // Break current operation
-    QMessageBox::warning(this, tr("Extrusion Cut"),
-        tr("There are no bodies found. Operation aborted."), QMessageBox::Ok);
-    ModuleBase_Operation* aOp = myModule->workshop()->currentOperation();
-    aOp->abort();
+    bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
+    myPreviewPlanes->erasePreviewPlanes(myWorkshop);
+    if (aHidePreview)
+      aWorkshop->viewer()->update();
   }
 }
 
-bool PartSet_WidgetSketchCreator::focusTo()
+QIntList PartSet_WidgetSketchCreator::shapeTypes() const
 {
+  QIntList aShapeTypes;
+  foreach(QString aType, myShapeTypes) {
+    aShapeTypes.append(ModuleBase_Tools::shapeType(aType));
+  }
+  return aShapeTypes;
+}
+
+void PartSet_WidgetSketchCreator::setEditingMode(bool isEditing)
+{
+  ModuleBase_ModelWidget::setEditingMode(isEditing);
+  if (isEditing) {
+    setVisibleSelectionControl(false);
+
+    ModuleBase_ModelWidget* anAttributeListWidget = 0;
+    XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+    XGUI_PropertyPanel* aPanel = aWorkshop->propertyPanel();
+    const QList<ModuleBase_ModelWidget*>& aWidgets = aPanel->modelWidgets();
+    foreach(ModuleBase_ModelWidget* aWidget, aWidgets) {
+      if (aWidget->attributeID() == myAttributeListID) {
+        anAttributeListWidget = aWidget;
+        break;
+      }
+    }
+    if (anAttributeListWidget)
+      setEnabledModelWidget(anAttributeListWidget, !hasSubObjects());
+  }
+}
+
+bool PartSet_WidgetSketchCreator::isSelectionMode() const
+{
+  AttributeSelectionListPtr anAttrList = myFeature->data()->selectionList(myAttributeListID);
+  bool aHasValueInList = anAttrList.get() && anAttrList->size() > 0;
+
+  return !aHasValueInList;
+}
+
+bool PartSet_WidgetSketchCreator::hasSubObjects() const
+{
+  bool aHasSubObjects = false;
+
+  bool aCanSetFocus = true;
+  CompositeFeaturePtr aComposite = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
+  if (aComposite.get())
+    aHasSubObjects = aComposite->numberOfSubs() > 0;
+  return aHasSubObjects;
+}
+
+bool PartSet_WidgetSketchCreator::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
+                                               const bool theToValidate)
+{
+  bool aDone = false;
+  if (!startSketchOperation(theValues)) {
+    myIsCustomAttribute = true;
+    QList<ModuleBase_ViewerPrsPtr>::const_iterator 
+      anIt = theValues.begin(), aLast = theValues.end();
+    bool aProcessed = false;
+    for (; anIt != aLast; anIt++) {
+      ModuleBase_ViewerPrsPtr aValue = *anIt;
+      if (!theToValidate || isValidInFilters(aValue))
+        aProcessed = setSelectionCustom(aValue) || aProcessed;
+    }
+    myIsCustomAttribute = false;
+    aDone = aProcessed;
+    if (aProcessed) {
+      emit valuesChanged();
+      updateObject(myFeature);
+      setVisibleSelectionControl(false);
+      // manually deactivation because the widget was 
+      // not activated as has no focus acceptin controls
+      deactivate();
+      emit focusOutWidget(this);
+    }
+  }
+  return aDone;
+}
+
+//********************************************************************
+void PartSet_WidgetSketchCreator::onSelectionChanged()
+{
+  QList<ModuleBase_ViewerPrsPtr> aSelected = getFilteredSelected();
+  bool isDone = setSelection(aSelected, true/*false*/);
+}
+
+//********************************************************************
+void PartSet_WidgetSketchCreator::updateOnSelectionChanged(const bool theDone)
+{
+}
+
+bool PartSet_WidgetSketchCreator::startSketchOperation(
+                              const QList<ModuleBase_ViewerPrsPtr>& theValues)
+{
+  bool aSketchStarted = false;
+
+  if (theValues.size() != 1)
+    return aSketchStarted;
+
+  ModuleBase_ViewerPrsPtr aValue = theValues.front();
+  if (!aValue.get() || !PartSet_WidgetSketchLabel::canFillSketch(aValue))
+    return aSketchStarted;
+
+  ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(aValue->object());
+  /// sketch should not started by object(face) selected as global. If Local face is selected,
+  /// sketch is started
+  if (aResult.get() && aValue->shape().get() && aResult->shape()->isEqual(aValue->shape())) {
+    ResultConstructionPtr aConstruction = 
+      std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aResult);
+    if (!aConstruction.get() || !aConstruction->isInfinite())
+      return aSketchStarted;
+  }
+  aSketchStarted = true;
+
+  // manually deactivation because the widget was not activated as has no focus acceptin controls
+  deactivate();
+  bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
+  myPreviewPlanes->erasePreviewPlanes(myWorkshop);
+
+  // Launch Sketch operation
   CompositeFeaturePtr aCompFeature = 
     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
-  if (aCompFeature->numberOfSubs() == 0)
-    return ModuleBase_ModelWidget::focusTo(); 
 
-  connect(myModule, SIGNAL(operationResumed(ModuleBase_Operation*)), SLOT(onResumed(ModuleBase_Operation*)));
-  SessionPtr aMgr = ModelAPI_Session::get();
-  // Open transaction that is general for the previous nested one: it will be closed on nested commit
-  bool aIsOp = aMgr->isOperation();
-  if (!aIsOp) {
-    const static std::string aNestedOpID("Parameters modification");
-    aMgr->startOperation(aNestedOpID, true);
+  // start edit operation for the sketch
+  ModuleBase_OperationFeature* aFOperation = dynamic_cast<ModuleBase_OperationFeature*>
+                                                            (myModule->createOperation("Sketch"));
+  QList<ModuleBase_ViewerPrsPtr> aValues;
+  aValues.push_back(aValue);
+  aFOperation->setPreselection(aValues);
+
+  myWorkshop->processLaunchOperation(aFOperation);
+
+  return aSketchStarted;
+}
+
+bool PartSet_WidgetSketchCreator::focusTo()
+{
+  // this method is called only in creation mode. In Edition mode this widget is hidden
+  if (isSelectionMode() && !hasSubObjects()) {
+    setVisibleSelectionControl(true);
+    activateSelectionControl();
+    openExtrusionTransaction();
+    return true;
   }
+  else
+    connect(myModule, SIGNAL(resumed(ModuleBase_Operation*)), 
+            SLOT(onResumed(ModuleBase_Operation*)));
+
+  return true;
+}
+
+void PartSet_WidgetSketchCreator::deactivate()
+{
+  ModuleBase_WidgetSelector::deactivate();
+
+  bool aHidePreview = myPreviewPlanes->isPreviewDisplayed();
+  myPreviewPlanes->erasePreviewPlanes(myWorkshop);
+  if (aHidePreview)
+    XGUI_Tools::workshop(myWorkshop)->viewer()->update();
 
-  restoreValue();
-  return false;
 }
 
 void PartSet_WidgetSketchCreator::onResumed(ModuleBase_Operation* theOp)
 {
+  SessionPtr aMgr = ModelAPI_Session::get();
+  bool aIsOp = aMgr->isOperation();
+  if (aIsOp) {
+    // in current implementation, all transactions are closed when resume happens
+    // so, this is a wrong case, which is not checked.
+    // To provide it, make correction in later rows about abort/undo transactions
+    return;
+  }
+  // Set visible only selection control
+  setVisibleSelectionControl(true);
+
+  // Validate the created sketch. If it is valid, it is set into the composite feature selection
+  // list, otherwise it is removed
   CompositeFeaturePtr aCompFeature = 
     std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(myFeature);
-  CompositeFeaturePtr aSketchFeature = 
-    std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aCompFeature->subFeature(0));
-  if (aSketchFeature->numberOfSubs() == 0) {
-    // Abort operation
+  AttributeSelectionListPtr anAttrList = myFeature->data()->selectionList(myAttributeListID);
+  if (aCompFeature->numberOfSubs() > 0) {
+    // set the sub feature to attribute selection list and check whether sketch is valid
     SessionPtr aMgr = ModelAPI_Session::get();
-    // Close transaction
-    /*
-    bool aIsOp = aMgr->isOperation();
-    if (aIsOp) {
-      const static std::string aNestedOpID("Parameters cancelation");
-      aMgr->startOperation(aNestedOpID, true);
+    const static std::string aNestedOpID("Set Sketch result into Selection list");
+    aMgr->startOperation(aNestedOpID, false); // false to not attach to Extrusion operation
+    setSketchObjectToList(aCompFeature, anAttrList);
+    aMgr->finishOperation();
+
+    if (!validateSelectionList()) {
+#ifdef DEBUG_UNDO_INVALID_SKETCH
+      aMgr->undo(); // Extrusion modification parameters: setSketchObjectToList()
+      aMgr->undo(); /// Sketch creation
+#else
+      aMgr->startOperation("Delete invalid Sketch feature", false);
+
+      // delete invalid sketch
+      CompositeFeaturePtr aSketchFeature = 
+              std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aCompFeature->subFeature(0));
+      QObjectPtrList anObjects;
+      anObjects.append(aSketchFeature);
+
+      XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+      aWorkshop->deleteFeatures(anObjects);
+
+      aMgr->finishOperation();
+#endif
     }
-    */
-    theOp->abort();
-  } else {
+  }
+  openExtrusionTransaction();
+
+  if (aCompFeature->numberOfSubs() == 0) {
+    // call activateWidget() of the parent to connect to the viewer seleciton
+    activateSelectionControl();
+  }
+  else {
+    // check if the created sketch is valid. If it is invalid, it will be deleted with warning else
+    /// the attribute selection list will be filled by result of this sketch.
+    setVisibleSelectionControl(false);
+
+    // Update value in attribute selection list
+    XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+    XGUI_PropertyPanel* aPropertyPanel = aWorkshop->propertyPanel();
+    const QList<ModuleBase_ModelWidget*>& aWidgets = aPropertyPanel->modelWidgets();
+    ModuleBase_ModelWidget* aListWidget = 0;
+    foreach(ModuleBase_ModelWidget* aWidget, aWidgets) {
+      if (aWidget->attributeID() == myAttributeListID) {
+        aListWidget = aWidget;
+        break;
+      }
+    }
+    if (aListWidget) {
+      aListWidget->restoreValue();
+      aPropertyPanel->activateNextWidget(aListWidget);
+    }
+
     // Hide sketcher result
+    CompositeFeaturePtr aSketchFeature = 
+      std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aCompFeature->subFeature(0));
     std::list<ResultPtr> aResults = aSketchFeature->results();
     std::list<ResultPtr>::const_iterator aIt;
     for (aIt = aResults.begin(); aIt != aResults.end(); ++aIt) {
       (*aIt)->setDisplayed(false);
     }
     aSketchFeature->setDisplayed(false);
+    static Events_Loop* aLoop = Events_Loop::loop();
+    aLoop->flush(aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY));
 
     // Add Selected body were created the sketcher to list of selected objects
-    DataPtr aData = aSketchFeature->data();
-    AttributeSelectionPtr aSelAttr = 
-      std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
-      (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
-    if (aSelAttr.get()) {
-      ResultPtr aRes = aSelAttr->context();
-      GeomShapePtr aShape = aSelAttr->value();
+    std::string anObjectsAttribute = FeaturesPlugin_CompositeBoolean::OBJECTS_ID();
+    AttributeSelectionListPtr aSelList = aCompFeature->data()->selectionList(anObjectsAttribute);
+    if (aSelList.get()) {
+      DataPtr aData = aSketchFeature->data();
+      AttributeSelectionPtr aSelAttr = std::dynamic_pointer_cast<ModelAPI_AttributeSelection>
+                                    (aData->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID()));
+      ResultPtr aRes = aSelAttr.get() ? aSelAttr->context() : ResultPtr();
       if (aRes.get()) {
-        AttributeSelectionListPtr aSelList = 
-          aCompFeature->data()->selectionList(FeaturesPlugin_CompositeBoolean::BOOLEAN_OBJECTS_ID());
+        SessionPtr aMgr = ModelAPI_Session::get();
+        ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
+        AttributePtr anAttribute = myFeature->attribute(anObjectsAttribute);
+        std::string aValidatorID;
+        Events_InfoMessage anError;
         aSelList->append(aRes, GeomShapePtr());
-        updateObject(aCompFeature);
+        if (aFactory->validate(anAttribute, aValidatorID, anError))
+          updateObject(aCompFeature);
+        else
+          aSelList->clear();
       }
     }
   }
+  restoreValue();
+}
+
+bool PartSet_WidgetSketchCreator::validateSelectionList() const
+{
+  AttributeSelectionListPtr anAttrList = myFeature->data()->selectionList(myAttributeListID);
+
+  SessionPtr aMgr = ModelAPI_Session::get();
+  ModelAPI_ValidatorsFactory* aFactory = aMgr->validators();
+  std::string aValidatorID;
+  Events_InfoMessage anError;
+  bool isValidPComposite = aFactory->validate(anAttrList, aValidatorID, anError);
+  if (!isValidPComposite) {
+    XGUI_Workshop* aWorkshop = XGUI_Tools::workshop(myModule->workshop());
+    // TODO(spo): translate
+    QMessageBox::question(aWorkshop->desktop(), tr("Apply current feature"),
+                  tr("Sketch is invalid and will be deleted.\nError: %1")
+                  .arg(anError.messageString().c_str()),
+                  QMessageBox::Ok);
+  }
+  return isValidPComposite;
+}
+
+void PartSet_WidgetSketchCreator::setSketchObjectToList(
+                            const CompositeFeaturePtr& theCompositeFeature,
+                            const AttributePtr& theAttribute)
+{
+  if (!theCompositeFeature.get() || theCompositeFeature->numberOfSubs() != 1)
+    return;
+
+  AttributeSelectionListPtr aBaseObjectsSelectionList =
+                     std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(theAttribute);
+  if(!aBaseObjectsSelectionList.get() || aBaseObjectsSelectionList->isInitialized()) {
+    return;
+  }
+
+  FeaturePtr aSketchFeature = theCompositeFeature->subFeature(0);
+  if(!aSketchFeature.get() || aSketchFeature->results().empty()) {
+    return;
+  }
+
+  ResultPtr aSketchRes = aSketchFeature->results().front();
+  ResultConstructionPtr aConstruction = 
+    std::dynamic_pointer_cast<ModelAPI_ResultConstruction>(aSketchRes);
+  if(!aConstruction.get()) {
+    return;
+  }
+
+  if(aBaseObjectsSelectionList->size() == 0) {
+    aBaseObjectsSelectionList->append(aSketchRes, GeomShapePtr());
+  }
+}
+
+void PartSet_WidgetSketchCreator::setEnabledModelWidget(ModuleBase_ModelWidget* theModelWidget,
+                                                        const bool theEnabled)
+{
+  QList<QWidget*> aMyControls = theModelWidget->getControls();
+  foreach(QWidget*  eachControl, aMyControls) {
+    eachControl->setEnabled(theEnabled);
+  }
 }