+
+/*void XGUI_Displayer::EraseAll(const bool isUpdateViewer)
+{
+ Handle(AIS_InteractiveContext) ic = AISContext();
+
+ AIS_ListOfInteractive aList;
+ ic->DisplayedObjects(aList);
+ AIS_ListIteratorOfListOfInteractive anIter(aList);
+ for (; anIter.More(); anIter.Next()) {
+ if ((anIter.Value()->DynamicType() == STANDARD_TYPE(AIS_Trihedron)))
+ continue;
+
+ // erase an object
+ Handle(AIS_InteractiveObject) anIO = anIter.Value();
+ ic->Erase(anIO, false);
+ }
+ myFeature2AISObjectMap.clear();
+ if (isUpdateViewer)
+ updateViewer();
+}*/
+
+void XGUI_Displayer::eraseDeletedFeatures(const bool isUpdateViewer)
+{
+ Handle(AIS_InteractiveContext) aContext = AISContext();
+
+ FeatureToAISMap::const_iterator aFIt = myFeature2AISObjectMap.begin(),
+ aFLast = myFeature2AISObjectMap.end();
+ std::list<FeaturePtr> aRemoved;
+ for (; aFIt != aFLast; aFIt++)
+ {
+ FeaturePtr aFeature = (*aFIt).first;
+ if (!aFeature || !aFeature->data() || !aFeature->data()->isValid()) {
+ boost::shared_ptr<GeomAPI_AISObject> anObj = (*aFIt).second;
+ if (!anObj) continue;
+ Handle(AIS_InteractiveObject) anAIS = anObj->impl<Handle(AIS_InteractiveObject)>();
+ if (!anAIS.IsNull()) {
+ aContext->Erase(anAIS, false);
+ aRemoved.push_back(aFeature);
+ }
+ }
+ }
+ std::list<FeaturePtr>::const_iterator anIt = aRemoved.begin(),
+ aLast = aRemoved.end();
+ for (; anIt != aLast; anIt++) {
+ myFeature2AISObjectMap.erase(myFeature2AISObjectMap.find(*anIt));
+ }
+
+ if (isUpdateViewer)
+ updateViewer();
+}
+
+void XGUI_Displayer::closeLocalContexts(const bool isUpdateViewer)