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1. Correction for perfomance problem by Apply button state update: do not listen...
[modules/shaper.git] / src / ModuleBase / ModuleBase_WidgetMultiSelector.cpp
index 40149e343af3eaa76486ab8e32c62541712a22ed..57852847b4e8ade7e78ce1de95ae7deaec843eb8 100755 (executable)
 #include <ModuleBase_IViewer.h>
 #include <ModuleBase_Tools.h>
 #include <ModuleBase_Definitions.h>
+#include <ModuleBase_IModule.h>
+#include <ModuleBase_ViewerPrs.h>
 
 #include <ModelAPI_Data.h>
 #include <ModelAPI_Object.h>
 #include <ModelAPI_AttributeSelectionList.h>
 #include <ModelAPI_AttributeRefList.h>
+#include <ModelAPI_AttributeRefAttrList.h>
+#include <ModelAPI_Tools.h>
 
 #include <Config_WidgetAPI.h>
 
@@ -37,6 +41,8 @@
 #include <memory>
 #include <string>
 
+const int ATTRIBUTE_SELECTION_INDEX_ROLE = Qt::UserRole + 1;
+
 /**
 * Customization of a List Widget to make it to be placed on full width of container
 */
@@ -80,10 +86,8 @@ protected:
 
 ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParent,
                                                                ModuleBase_IWorkshop* theWorkshop,
-                                                               const Config_WidgetAPI* theData,
-                                                               const std::string& theParentId)
- : ModuleBase_WidgetSelector(theParent, theWorkshop, theData, theParentId),
-   mySelectionCount(0)
+                                                               const Config_WidgetAPI* theData)
+: ModuleBase_WidgetSelector(theParent, theWorkshop, theData)
 {
   QGridLayout* aMainLay = new QGridLayout(this);
   ModuleBase_Tools::adjustMargins(aMainLay);
@@ -98,7 +102,7 @@ ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParen
   QString aTypesStr = aPropertyTypes.c_str();
   QStringList aShapeTypes = aTypesStr.split(' ', QString::SkipEmptyParts);
 
-  myIsUseChoice = theData->getBooleanAttribute("use_choice", true);
+  myIsUseChoice = theData->getBooleanAttribute("use_choice", false);
 
   if (!aShapeTypes.empty())
     myTypeCombo->addItems(aShapeTypes);
@@ -124,9 +128,12 @@ ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParen
     aMainLay->setColumnStretch(2, 1);
   }
 
+  QString aToolTip = QString::fromStdString(theData->widgetTooltip());
   myListControl = new CustomListWidget(this);
   QString anObjName = QString::fromStdString(attributeID());
   myListControl->setObjectName(anObjName);
+  myListControl->setToolTip(aToolTip);
+  myListControl->setSelectionMode(QAbstractItemView::ExtendedSelection);
 
   aMainLay->addWidget(myListControl, 2, 0, 1, -1);
   aMainLay->setRowStretch(2, 1);
@@ -140,6 +147,12 @@ ModuleBase_WidgetMultiSelector::ModuleBase_WidgetMultiSelector(QWidget* theParen
   myCopyAction->setEnabled(false);
   connect(myCopyAction, SIGNAL(triggered(bool)), SLOT(onCopyItem()));
   myListControl->addAction(myCopyAction);
+
+  myDeleteAction = new QAction(QIcon(":pictures/delete.png"), tr("Delete"), this);
+  myDeleteAction->setEnabled(false);
+  connect(myDeleteAction, SIGNAL(triggered(bool)), SLOT(onDeleteItem()));
+  myListControl->addAction(myDeleteAction);
+
   myListControl->setContextMenuPolicy(Qt::ActionsContextMenu);
   connect(myListControl, SIGNAL(itemSelectionChanged()), SLOT(onListSelection()));
 }
@@ -149,114 +162,73 @@ ModuleBase_WidgetMultiSelector::~ModuleBase_WidgetMultiSelector()
 }
 
 //********************************************************************
-bool ModuleBase_WidgetMultiSelector::storeValueCustom() const
+void ModuleBase_WidgetMultiSelector::activateCustom()
 {
-  // the value is stored on the selection changed signal processing 
-  // A rare case when plugin was not loaded. 
-  if (!myFeature)
-    return false;
+  ModuleBase_WidgetSelector::activateCustom();
 
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
-     aSelectionListAttr->setSelectionType(myTypeCombo->currentText().toStdString());
-  }   
-   return true;
+  myWorkshop->module()->activateCustomPrs(myFeature,
+                            ModuleBase_IModule::CustomizeHighlightedObjects, true);
 }
 
 //********************************************************************
-bool ModuleBase_WidgetMultiSelector::restoreValueCustom()
+void ModuleBase_WidgetMultiSelector::deactivate()
 {
-  // A rare case when plugin was not loaded. 
-  if (!myFeature)
-    return false;
+  ModuleBase_WidgetSelector::deactivate();
 
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
-    // Restore shape type
-    if (!aSelectionListAttr->selectionType().empty())
-      setCurrentShapeType(ModuleBase_Tools::shapeType(aSelectionListAttr->selectionType().c_str()));
-  }
-  updateSelectionList();
-  return true;
+  myWorkshop->module()->deactivateCustomPrs(ModuleBase_IModule::CustomizeHighlightedObjects, true);
 }
 
 //********************************************************************
-void ModuleBase_WidgetMultiSelector::storeAttributeValue()
+bool ModuleBase_WidgetMultiSelector::storeValueCustom()
 {
-  ModuleBase_WidgetValidated::storeAttributeValue();
-
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
-    mySelectionType = aSelectionListAttr->selectionType();
-    mySelectionCount = aSelectionListAttr->size();
-  }
-  else {
-    AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
-    mySelectionCount = aRefListAttr->size();
-  }
-}
-
-//********************************************************************
-void ModuleBase_WidgetMultiSelector::restoreAttributeValue(bool theValid)
-{
-  ModuleBase_WidgetValidated::restoreAttributeValue(theValid);
-
-  // Store shape type
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
-    aSelectionListAttr->setSelectionType(mySelectionType);
+  // the value is stored on the selection changed signal processing 
+  // A rare case when plugin was not loaded. 
+  if (!myFeature)
+    return false;
 
-    // restore selection in the attribute. Indeed there is only one stored object
-    int aCountAppened = aSelectionListAttr->size() - mySelectionCount;
-    for (int i = 0; i < aCountAppened; i++)
-      aSelectionListAttr->removeLast();
-  }
-  else {
-    AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
-    // restore objects in the attribute. Indeed there is only one stored object
-    int aCountAppened = aRefListAttr->size() - mySelectionCount;
-    for (int i = 0; i < aCountAppened; i++)
-      aRefListAttr->removeLast();
+  AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+    aSelectionListAttr->setSelectionType(myTypeCombo->currentText().toStdString());
   }
+  return true;
 }
 
 //********************************************************************
-void ModuleBase_WidgetMultiSelector::clearAttribute()
+bool ModuleBase_WidgetMultiSelector::restoreValueCustom()
 {
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get())
-    aSelectionListAttr->clear();
-  else {
-    AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
-    aRefListAttr->clear();
-  }
-}
+  // A rare case when plugin was not loaded. 
+  if (!myFeature)
+    return false;
 
-//********************************************************************
-void ModuleBase_WidgetMultiSelector::setObject(ObjectPtr theSelectedObject,
-                                               GeomShapePtr theShape)
-{
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
-    ResultPtr aResult = std::dynamic_pointer_cast<ModelAPI_Result>(theSelectedObject);
-    aSelectionListAttr->append(aResult, theShape, myIsInValidate);
-  }
-  else {
-    AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
-    aRefListAttr->append(theSelectedObject);
+  AttributePtr anAttribute = myFeature->data()->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
+    // Restore shape type
+    std::string aSelectionType = aSelectionListAttr->selectionType().c_str();
+    if (!aSelectionType.empty())
+      setCurrentShapeType(ModuleBase_Tools::shapeType(aSelectionType.c_str()));
   }
+  updateSelectionList();
+  return true;
 }
 
 //********************************************************************
-bool ModuleBase_WidgetMultiSelector::setSelection(QList<ModuleBase_ViewerPrs>& theValues,
+bool ModuleBase_WidgetMultiSelector::setSelection(QList<ModuleBase_ViewerPrsPtr>& theValues,
                                                   const bool theToValidate)
 {
-  QList<ModuleBase_ViewerPrs> aSkippedValues;
+  QList<ModuleBase_ViewerPrsPtr> aSkippedValues;
 
-  QList<ModuleBase_ViewerPrs>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
+  /// remove unused objects from the model attribute.
+  /// It should be performed before new attributes append.
+  removeUnusedAttributeObjects(theValues);
+
+  QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
   bool isDone = false;
   for (; anIt != aLast; anIt++) {
-    ModuleBase_ViewerPrs aValue = *anIt;
+    ModuleBase_ViewerPrsPtr aValue = *anIt;
     bool aProcessed = false;
     if (!theToValidate || isValidInFilters(aValue)) {
       aProcessed = setSelectionCustom(aValue);
@@ -273,6 +245,7 @@ bool ModuleBase_WidgetMultiSelector::setSelection(QList<ModuleBase_ViewerPrs>& t
     // this emit is necessary to call store/restore method an restore type of selection
     //emit valuesChanged();
   //}
+
   theValues.clear();
   if (!aSkippedValues.empty())
     theValues.append(aSkippedValues);
@@ -281,7 +254,16 @@ bool ModuleBase_WidgetMultiSelector::setSelection(QList<ModuleBase_ViewerPrs>& t
 }
 
 //********************************************************************
-bool ModuleBase_WidgetMultiSelector::isValidSelectionCustom(const ModuleBase_ViewerPrs& thePrs)
+void ModuleBase_WidgetMultiSelector::getHighlighted(QList<ModuleBase_ViewerPrsPtr>& theValues)
+{
+  std::set<int> anAttributeIds;
+  getSelectedAttributeIndices(anAttributeIds);
+  if (!anAttributeIds.empty())
+    convertIndicesToViewerSelection(anAttributeIds, theValues);
+}
+
+//********************************************************************
+bool ModuleBase_WidgetMultiSelector::isValidSelectionCustom(const ModuleBase_ViewerPrsPtr& thePrs)
 {
   bool aValid = ModuleBase_WidgetSelector::isValidSelectionCustom(thePrs);
   if (aValid) {
@@ -307,6 +289,45 @@ bool ModuleBase_WidgetMultiSelector::isValidSelectionCustom(const ModuleBase_Vie
   return aValid;
 }
 
+//********************************************************************
+bool ModuleBase_WidgetMultiSelector::processDelete()
+{
+  // find attribute indices to delete
+  std::set<int> anAttributeIds;
+  getSelectedAttributeIndices(anAttributeIds);
+
+  // refill attribute by the items which indices are not in the list of ids
+  bool aDone = false;
+  DataPtr aData = myFeature->data();
+  AttributePtr anAttribute = aData->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  aDone = !anAttributeIds.empty();
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr = aData->selectionList(attributeID());
+    aSelectionListAttr->remove(anAttributeIds);
+
+  }
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = aData->reflist(attributeID());
+    aRefListAttr->remove(anAttributeIds);
+  }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    AttributeRefAttrListPtr aRefAttrListAttr = aData->refattrlist(attributeID());
+    aRefAttrListAttr->remove(anAttributeIds);
+  }
+
+  if (aDone) {
+    // update object is necessary to flush update signal. It leads to objects references map update
+    // and the operation presentation will not contain deleted items visualized as parameters of
+    // the feature.
+    updateObject(myFeature);
+
+    restoreValue();
+    myWorkshop->setSelected(getAttributeSelection());
+  }
+  return aDone;
+}
+
 //********************************************************************
 QList<QWidget*> ModuleBase_WidgetMultiSelector::getControls() const
 {
@@ -320,7 +341,7 @@ QList<QWidget*> ModuleBase_WidgetMultiSelector::getControls() const
 void ModuleBase_WidgetMultiSelector::onSelectionTypeChanged()
 {
   activateSelectionAndFilters(true);
-  QList<ModuleBase_ViewerPrs> anEmptyList;
+  QList<ModuleBase_ViewerPrsPtr> anEmptyList;
   // This method will call Selection changed event which will call onSelectionChanged
   // To clear mySelection, myListControl and storeValue()
   // So, we don't need to call it
@@ -369,49 +390,21 @@ void ModuleBase_WidgetMultiSelector::setCurrentShapeType(const TopAbs_ShapeEnum
     aShapeTypeName = myTypeCombo->itemText(idx);
     TopAbs_ShapeEnum aRefType = ModuleBase_Tools::shapeType(aShapeTypeName);
     if(aRefType == theShapeType && idx != myTypeCombo->currentIndex()) {
-      activateSelectionAndFilters(false);
+      bool aWasActivated = activateSelectionAndFilters(false);
       bool isBlocked = myTypeCombo->blockSignals(true);
       myTypeCombo->setCurrentIndex(idx);
       myTypeCombo->blockSignals(isBlocked);
-
-      activateSelectionAndFilters(true);
+      if (aWasActivated)
+        activateSelectionAndFilters(true);
       break;
     }
   }
 }
 
-QList<ModuleBase_ViewerPrs> ModuleBase_WidgetMultiSelector::getAttributeSelection() const
+QList<ModuleBase_ViewerPrsPtr> ModuleBase_WidgetMultiSelector::getAttributeSelection() const
 {
-  QList<ModuleBase_ViewerPrs> aSelected;
-  // Restore selection in the viewer by the attribute selection list
-  if(myFeature) {
-    AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-    if (aSelectionListAttr.get()) {
-      for (int i = 0; i < aSelectionListAttr->size(); i++) {
-        AttributeSelectionPtr anAttr = aSelectionListAttr->value(i);
-        ResultPtr anObject = anAttr->context();
-        if (anObject.get()) {
-          TopoDS_Shape aShape;
-          std::shared_ptr<GeomAPI_Shape> aShapePtr = anAttr->value();
-          if (aShapePtr.get()) {
-            aShape = aShapePtr->impl<TopoDS_Shape>();
-          }
-          aSelected.append(ModuleBase_ViewerPrs(anObject, aShape, NULL));
-        }
-      }
-    }
-    else {
-      AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
-      if (aRefListAttr.get()) {
-        for (int i = 0; i < aRefListAttr->size(); i++) {
-          ObjectPtr anObject = aRefListAttr->object(i);
-          if (anObject.get()) {
-            aSelected.append(ModuleBase_ViewerPrs(anObject, TopoDS_Shape(), NULL));
-          }
-        }
-      }
-    }
-  }
+  QList<ModuleBase_ViewerPrsPtr> aSelected;
+  convertIndicesToViewerSelection(std::set<int>(), aSelected);
   return aSelected;
 }
 
@@ -420,21 +413,51 @@ void ModuleBase_WidgetMultiSelector::updateSelectionList()
 {
   myListControl->clear();
 
-  AttributeSelectionListPtr aSelectionListAttr = myFeature->data()->selectionList(attributeID());
-  if (aSelectionListAttr.get()) {
+  DataPtr aData = myFeature->data();
+  AttributePtr anAttribute = aData->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr = aData->selectionList(attributeID());
     for (int i = 0; i < aSelectionListAttr->size(); i++) {
       AttributeSelectionPtr aAttr = aSelectionListAttr->value(i);
-      myListControl->addItem(aAttr->namingName().c_str());
+      QListWidgetItem* anItem = new QListWidgetItem(aAttr->namingName().c_str(), myListControl);
+      anItem->setData(ATTRIBUTE_SELECTION_INDEX_ROLE, i);
+      myListControl->addItem(anItem);
     }
   }
-  else {
-    AttributeRefListPtr aRefListAttr = myFeature->data()->reflist(attributeID());
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = aData->reflist(attributeID());
     for (int i = 0; i < aRefListAttr->size(); i++) {
       ObjectPtr anObject = aRefListAttr->object(i);
-      if (anObject.get())
-        myListControl->addItem(anObject->data()->name().c_str());
+      if (anObject.get()) {
+        QListWidgetItem* anItem = new QListWidgetItem(anObject->data()->name().c_str(),
+                                                      myListControl);
+        anItem->setData(ATTRIBUTE_SELECTION_INDEX_ROLE, i);
+        myListControl->addItem(anItem);
+      }
     }
   }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    AttributeRefAttrListPtr aRefAttrListAttr = aData->refattrlist(attributeID());
+    for (int i = 0; i < aRefAttrListAttr->size(); i++) {
+      AttributePtr anAttribute = aRefAttrListAttr->attribute(i);
+      QString aName;
+      if (anAttribute.get()) {
+        std::string anAttrName = generateName(anAttribute, myWorkshop);
+        aName = QString::fromStdString(anAttrName);
+      }
+      else {
+        ObjectPtr anObject = aRefAttrListAttr->object(i);
+        if (anObject.get()) {
+          aName = anObject->data()->name().c_str();
+        }
+      }
+      QListWidgetItem* anItem = new QListWidgetItem(aName, myListControl);
+      anItem->setData(ATTRIBUTE_SELECTION_INDEX_ROLE, i);
+      myListControl->addItem(anItem);
+    }
+  }
+
   // We have to call repaint because sometimes the List control is not updated
   myListControl->repaint();
 }
@@ -472,9 +495,192 @@ void ModuleBase_WidgetMultiSelector::onCopyItem()
   }
 }
 
+//********************************************************************
+void ModuleBase_WidgetMultiSelector::onDeleteItem()
+{
+  processDelete();
+}
+
 //********************************************************************
 void ModuleBase_WidgetMultiSelector::onListSelection()
 {
   QList<QListWidgetItem*> aItems = myListControl->selectedItems();
   myCopyAction->setEnabled(!aItems.isEmpty());
+  myDeleteAction->setEnabled(!aItems.isEmpty());
+  
+  myWorkshop->module()->customizeObject(myFeature, ModuleBase_IModule::CustomizeHighlightedObjects,
+                                        true);
+}
+
+//********************************************************************
+void ModuleBase_WidgetMultiSelector::getSelectedAttributeIndices(std::set<int>& theAttributeIds)
+{
+  QList<QListWidgetItem*> aItems = myListControl->selectedItems();
+  foreach(QListWidgetItem* anItem, aItems) {
+    int anIndex = anItem->data(ATTRIBUTE_SELECTION_INDEX_ROLE).toInt();
+    if (theAttributeIds.find(anIndex) == theAttributeIds.end())
+      theAttributeIds.insert(anIndex);
+  }
+}
+
+void ModuleBase_WidgetMultiSelector::convertIndicesToViewerSelection(std::set<int> theAttributeIds,
+                                                      QList<ModuleBase_ViewerPrsPtr>& theValues) const
+{
+  if(myFeature.get() == NULL)
+    return;
+
+  DataPtr aData = myFeature->data();
+  AttributePtr anAttribute = aData->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    AttributeSelectionListPtr aSelectionListAttr = aData->selectionList(attributeID());
+    for (int i = 0; i < aSelectionListAttr->size(); i++) {
+      // filter by attribute indices only if the container is not empty otherwise return all items
+      if (!theAttributeIds.empty() && theAttributeIds.find(i) == theAttributeIds.end())
+        continue;
+      AttributeSelectionPtr anAttr = aSelectionListAttr->value(i);
+      ResultPtr anObject = anAttr->context();
+      if (anObject.get())
+        theValues.append(std::shared_ptr<ModuleBase_ViewerPrs>(
+               new ModuleBase_ViewerPrs(anObject, anAttr->value(), NULL)));
+    }
+  }
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = aData->reflist(attributeID());
+    for (int i = 0; i < aRefListAttr->size(); i++) {
+      // filter by attribute indices only if the container is not empty otherwise return all items
+      if (!theAttributeIds.empty() && theAttributeIds.find(i) == theAttributeIds.end())
+        continue;
+      ObjectPtr anObject = aRefListAttr->object(i);
+      if (anObject.get()) {
+        theValues.append(std::shared_ptr<ModuleBase_ViewerPrs>(
+               new ModuleBase_ViewerPrs(anObject, GeomShapePtr(), NULL)));
+      }
+    }
+  }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    AttributeRefAttrListPtr aRefAttrListAttr = aData->refattrlist(attributeID());
+    for (int i = 0; i < aRefAttrListAttr->size(); i++) {
+      // filter by attribute indices only if the container is not empty otherwise return all items
+      if (!theAttributeIds.empty() && theAttributeIds.find(i) == theAttributeIds.end())
+        continue;
+      ObjectPtr anObject = aRefAttrListAttr->object(i);
+      if (!anObject.get())
+        continue;
+      TopoDS_Shape aShape;
+      AttributePtr anAttribute = aRefAttrListAttr->attribute(i);
+      if (anAttribute.get()) {
+        GeomShapePtr aGeomShape = ModuleBase_Tools::getShape(anAttribute, myWorkshop);
+        theValues.append(std::shared_ptr<ModuleBase_ViewerPrs>(
+               new ModuleBase_ViewerPrs(anObject, aGeomShape, NULL)));
+      }
+    }
+  }
+}
+
+void ModuleBase_WidgetMultiSelector::removeUnusedAttributeObjects
+                                                 (QList<ModuleBase_ViewerPrsPtr>& theValues)
+{
+  std::map<ObjectPtr, std::set<GeomShapePtr> > aGeomSelection = convertSelection(theValues);
+  DataPtr aData = myFeature->data();
+  AttributePtr anAttribute = aData->attribute(attributeID());
+  std::string aType = anAttribute->attributeType();
+  std::set<GeomShapePtr> aShapes;
+  std::set<int> anIndicesToBeRemoved;
+  if (aType == ModelAPI_AttributeSelectionList::typeId()) {
+    // iteration through data model to find not selected elements to remove them
+    AttributeSelectionListPtr aSelectionListAttr = aData->selectionList(attributeID());
+    for (int i = 0; i < aSelectionListAttr->size(); i++) {
+      AttributeSelectionPtr anAttr = aSelectionListAttr->value(i);
+      bool aFound = findInSelection(anAttr->context(), anAttr->value(), aGeomSelection);
+      if (!aFound)
+        anIndicesToBeRemoved.insert(i);
+    }
+    aSelectionListAttr->remove(anIndicesToBeRemoved);
+  }
+  else if (aType == ModelAPI_AttributeRefList::typeId()) {
+    AttributeRefListPtr aRefListAttr = aData->reflist(attributeID());
+    for (int i = 0; i < aRefListAttr->size(); i++) {
+      ObjectPtr anObject = aRefListAttr->object(i);
+      if (anObject.get()) {
+        bool aFound = findInSelection(anObject, GeomShapePtr(), aGeomSelection);
+        if (!aFound)
+          anIndicesToBeRemoved.insert(i);
+      }
+    }
+    aRefListAttr->remove(anIndicesToBeRemoved);
+  }
+  else if (aType == ModelAPI_AttributeRefAttrList::typeId()) {
+    std::set<AttributePtr> anAttributes;
+    QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
+    ObjectPtr anObject;
+    GeomShapePtr aShape;
+    for (; anIt != aLast; anIt++) {
+      ModuleBase_ViewerPrsPtr aPrs = *anIt;
+      getGeomSelection(aPrs, anObject, aShape);
+      AttributePtr anAttr = myWorkshop->module()->findAttribute(anObject, aShape);
+      if (anAttr.get() && anAttributes.find(anAttr) == anAttributes.end())
+        anAttributes.insert(anAttr);
+    }
+
+    AttributeRefAttrListPtr aRefAttrListAttr = aData->refattrlist(attributeID());
+    for (int i = 0; i < aRefAttrListAttr->size(); i++) {
+      bool aFound = false;
+      if (aRefAttrListAttr->isAttribute(i)) {
+        AttributePtr anAttribute = aRefAttrListAttr->attribute(i);
+        aFound = anAttributes.find(anAttribute) != anAttributes.end();
+      }
+      else {
+        aFound = findInSelection(aRefAttrListAttr->object(i), GeomShapePtr(), aGeomSelection);
+      }
+      if (!aFound)
+        anIndicesToBeRemoved.insert(i);
+    }
+    aRefAttrListAttr->remove(anIndicesToBeRemoved);
+  }
+}
+
+std::map<ObjectPtr, std::set<GeomShapePtr> > ModuleBase_WidgetMultiSelector::convertSelection
+                                                     (QList<ModuleBase_ViewerPrsPtr>& theValues)
+{
+  // convert prs list to objects map
+  std::map<ObjectPtr, std::set<GeomShapePtr> > aGeomSelection;
+  std::set<GeomShapePtr> aShapes;
+  QList<ModuleBase_ViewerPrsPtr>::const_iterator anIt = theValues.begin(), aLast = theValues.end();
+  ObjectPtr anObject;
+  GeomShapePtr aShape;
+  GeomShapePtr anEmptyShape(new GeomAPI_Shape());
+  for (; anIt != aLast; anIt++) {
+    ModuleBase_ViewerPrsPtr aPrs = *anIt;
+    getGeomSelection(aPrs, anObject, aShape);
+    aShapes.clear();
+    if (aGeomSelection.find(anObject) != aGeomSelection.end()) // found
+      aShapes = aGeomSelection[anObject];
+    // we need to know if there was an empty shape in selection for the object
+    if (!aShape.get())
+      aShape = anEmptyShape;
+    if (aShape.get() && aShapes.find(aShape) == aShapes.end()) // not found
+      aShapes.insert(aShape);
+    aGeomSelection[anObject] = aShapes;
+  }
+  return aGeomSelection;
+}
+
+bool ModuleBase_WidgetMultiSelector::findInSelection(const ObjectPtr& theObject,
+                              const GeomShapePtr& theShape,
+                              const std::map<ObjectPtr, std::set<GeomShapePtr> >& theGeomSelection)
+{
+  bool aFound = false;
+  GeomShapePtr anEmptyShape(new GeomAPI_Shape());
+  GeomShapePtr aShape = theShape.get() ? theShape : anEmptyShape;
+  if (theGeomSelection.find(theObject) != theGeomSelection.end()) {// found
+    const std::set<GeomShapePtr>& aShapes = theGeomSelection.at(theObject);
+    std::set<GeomShapePtr>::const_iterator anIt = aShapes.begin(), aLast = aShapes.end();
+    for (; anIt != aLast && !aFound; anIt++) {
+      GeomShapePtr aCShape = *anIt;
+      if (aCShape.get())
+        aFound = aCShape->isEqual(aShape);
+    }
+  }
+  return aFound;
 }