public boolean evaluateCondition(EvaluationContextImpl context, LocatableEvent event)
     throws EvaluateException {
   if (CLASS_FILTERS_ENABLED) {
     String className = null;
     final ObjectReference thisObject = (ObjectReference) context.getThisObject();
     if (thisObject != null) {
       className = thisObject.referenceType().name();
     } else {
       final StackFrameProxyImpl frame = context.getFrameProxy();
       if (frame != null) {
         className = frame.location().declaringType().name();
       }
     }
     if (className != null) {
       boolean matches = false;
       for (ClassFilter classFilter : getClassFilters()) {
         if (classFilter.isEnabled() && classFilter.matches(className)) {
           matches = true;
           break;
         }
       }
       if (!matches) {
         return false;
       }
       for (ClassFilter classFilter : getClassExclusionFilters()) {
         if (classFilter.isEnabled() && classFilter.matches(className)) {
           return false;
         }
       }
     }
   }
   return super.evaluateCondition(context, event);
 }
 @Override
 protected String calculateEventClass(EvaluationContextImpl context, LocatableEvent event)
     throws EvaluateException {
   String className = null;
   final ObjectReference thisObject = (ObjectReference) context.getThisObject();
   if (thisObject != null) {
     className = thisObject.referenceType().name();
   } else {
     final StackFrameProxyImpl frame = context.getFrameProxy();
     if (frame != null) {
       className = frame.location().declaringType().name();
     }
   }
   return className;
 }
  // copied from FrameVariablesTree
  private void buildVariables(
      DebuggerContextImpl debuggerContext,
      final EvaluationContextImpl evaluationContext,
      @NotNull DebugProcessImpl debugProcess,
      XValueChildrenList children,
      ObjectReference thisObjectReference,
      Location location)
      throws EvaluateException {
    final Set<String> visibleLocals = new HashSet<String>();
    if (NodeRendererSettings.getInstance().getClassRenderer().SHOW_VAL_FIELDS_AS_LOCAL_VARIABLES) {
      if (thisObjectReference != null
          && debugProcess.getVirtualMachineProxy().canGetSyntheticAttribute()) {
        final ReferenceType thisRefType = thisObjectReference.referenceType();
        if (thisRefType instanceof ClassType
            && location != null
            && thisRefType.equals(location.declaringType())
            && thisRefType.name().contains("$")) { // makes sense for nested classes only
          for (Field field : thisRefType.fields()) {
            if (DebuggerUtils.isSynthetic(field)
                && StringUtil.startsWith(
                    field.name(), FieldDescriptorImpl.OUTER_LOCAL_VAR_FIELD_PREFIX)) {
              final FieldDescriptorImpl fieldDescriptor =
                  myNodeManager.getFieldDescriptor(myDescriptor, thisObjectReference, field);
              children.add(JavaValue.create(fieldDescriptor, evaluationContext, myNodeManager));
              visibleLocals.add(fieldDescriptor.calcValueName());
            }
          }
        }
      }
    }

    boolean myAutoWatchMode = DebuggerSettings.getInstance().AUTO_VARIABLES_MODE;
    if (evaluationContext == null) {
      return;
    }
    final SourcePosition sourcePosition = debuggerContext.getSourcePosition();
    if (sourcePosition == null) {
      return;
    }

    try {
      if (!XDebuggerSettingsManager.getInstance().getDataViewSettings().isAutoExpressions()
          && !myAutoWatchMode) {
        // optimization
        superBuildVariables(evaluationContext, children);
      } else {
        final Map<String, LocalVariableProxyImpl> visibleVariables =
            getVisibleVariables(getStackFrameProxy());
        final Pair<Set<String>, Set<TextWithImports>> usedVars =
            ApplicationManager.getApplication()
                .runReadAction(
                    new Computable<Pair<Set<String>, Set<TextWithImports>>>() {
                      @Override
                      public Pair<Set<String>, Set<TextWithImports>> compute() {
                        return findReferencedVars(
                            ContainerUtil.union(visibleVariables.keySet(), visibleLocals),
                            sourcePosition);
                      }
                    });
        // add locals
        if (myAutoWatchMode) {
          for (String var : usedVars.first) {
            LocalVariableProxyImpl local = visibleVariables.get(var);
            if (local != null) {
              children.add(
                  JavaValue.create(
                      myNodeManager.getLocalVariableDescriptor(null, local),
                      evaluationContext,
                      myNodeManager));
            }
          }
        } else {
          superBuildVariables(evaluationContext, children);
        }
        final EvaluationContextImpl evalContextCopy =
            evaluationContext.createEvaluationContext(evaluationContext.getThisObject());
        evalContextCopy.setAutoLoadClasses(false);

        final Set<TextWithImports> extraVars =
            computeExtraVars(usedVars, sourcePosition, evaluationContext);

        // add extra vars
        addToChildrenFrom(extraVars, children, evaluationContext);

        // add expressions
        addToChildrenFrom(usedVars.second, children, evalContextCopy);
      }
    } catch (EvaluateException e) {
      if (e.getCause() instanceof AbsentInformationException) {
        children.add(
            new DummyMessageValueNode(
                MessageDescriptor.LOCAL_VARIABLES_INFO_UNAVAILABLE.getLabel(),
                XDebuggerUIConstants.INFORMATION_MESSAGE_ICON));
        // trying to collect values from variable slots
        try {
          for (Map.Entry<DecompiledLocalVariable, Value> entry :
              LocalVariablesUtil.fetchValues(getStackFrameProxy(), debugProcess).entrySet()) {
            children.add(
                JavaValue.create(
                    myNodeManager.getArgumentValueDescriptor(
                        null, entry.getKey(), entry.getValue()),
                    evaluationContext,
                    myNodeManager));
          }
        } catch (Exception ex) {
          LOG.info(ex);
        }
      } else {
        throw e;
      }
    }
  }