@Override
 public PsiField findFieldByName(@NonNls String name, boolean checkBases) {
   final PsiField[] fields = getFields();
   for (final PsiField field : fields) {
     if (name.equals(field.getName())) return field;
   }
   return null;
 }
 private static boolean isCompileTimeFlagReference(PsiElement element) {
   PsiElement resolved =
       element instanceof PsiReferenceExpression
           ? ((PsiReferenceExpression) element).resolve()
           : null;
   if (!(resolved instanceof PsiField)) return false;
   PsiField field = (PsiField) resolved;
   return field.hasModifierProperty(PsiModifier.FINAL)
       && field.hasModifierProperty(PsiModifier.STATIC)
       && PsiType.BOOLEAN.equals(field.getType());
 }
  public static boolean isFieldEquivalentTo(@NotNull PsiField field, PsiElement another) {
    if (!(another instanceof PsiField)) return false;
    String name1 = field.getName();
    if (name1 == null) return false;
    if (!another.isValid()) return false;

    String name2 = ((PsiField) another).getName();
    if (!name1.equals(name2)) return false;
    PsiClass aClass1 = field.getContainingClass();
    PsiClass aClass2 = ((PsiField) another).getContainingClass();
    return aClass1 != null
        && aClass2 != null
        && field.getManager().areElementsEquivalent(aClass1, aClass2);
  }
  private static boolean isCompileConstantInIfCondition(PsiElement element) {
    if (!(element instanceof PsiReferenceExpression)) return false;
    PsiElement resolved = ((PsiReferenceExpression) element).resolve();
    if (!(resolved instanceof PsiField)) return false;
    PsiField field = (PsiField) resolved;

    if (!field.hasModifierProperty(PsiModifier.FINAL)) return false;
    if (!field.hasModifierProperty(PsiModifier.STATIC)) return false;

    PsiElement parent = element.getParent();
    if (parent instanceof PsiPrefixExpression
        && ((PsiPrefixExpression) parent).getOperationTokenType() == JavaTokenType.EXCL) {
      element = parent;
      parent = parent.getParent();
    }
    return parent instanceof PsiIfStatement && ((PsiIfStatement) parent).getCondition() == element;
  }
  public static void prepareWizardData(final WizardData data, PsiClass boundClass)
      throws MyException {

    final PsiMethod[] allGetDataMethods = boundClass.findMethodsByName("getData", false);
    final PsiMethod[] allSetDataMethods = boundClass.findMethodsByName("setData", false);

    PsiMethod setDataMethod = null;
    PsiClass beanClass = null;

    // find get/set pair and bean class
    outer:
    for (int i = 0; i < allGetDataMethods.length; i++) {
      final PsiMethod _getMethod = allGetDataMethods[i];

      if (_getMethod.getReturnType() != PsiType.VOID) {
        continue;
      }

      final PsiParameter[] _getMethodParameters = _getMethod.getParameterList().getParameters();
      if (_getMethodParameters.length != 1) {
        continue;
      }

      final PsiClass _getParameterClass = getClassByType(_getMethodParameters[0].getType());
      if (_getParameterClass == null) {
        continue;
      }

      for (final PsiMethod _setMethod : allSetDataMethods) {
        if (_setMethod.getReturnType() != PsiType.VOID) {
          continue;
        }

        final PsiParameter[] _setMethodParameters = _setMethod.getParameterList().getParameters();
        if (_setMethodParameters.length != 1) {
          continue;
        }

        final PsiClass _setParameterClass = getClassByType(_setMethodParameters[0].getType());
        if (_setParameterClass != _getParameterClass) {
          continue;
        }

        // pair found !!!

        setDataMethod = _setMethod;
        beanClass = _getParameterClass;
        break outer;
      }
    }

    if (beanClass == null) {
      // nothing found
      return;
    }

    data.myBindToNewBean = false;
    data.myBeanClass = beanClass;

    // parse setData() and try to associate fields with bean
    {
      final PsiCodeBlock body = setDataMethod.getBody();
      if (body == null) {
        return;
      }

      final PsiElement[] children = body.getChildren();
      for (PsiElement child : children) {
        // Parses sequences like: a.foo(b.bar());
        final PsiField bindingField;

        if (!(child instanceof PsiExpressionStatement)) {
          continue;
        }

        final PsiExpression expression = ((PsiExpressionStatement) child).getExpression();
        if (!(expression instanceof PsiMethodCallExpression)) {
          continue;
        }

        final PsiMethodCallExpression callExpression = (PsiMethodCallExpression) expression;

        // find binding field ('a')
        int index = -1;
        {
          final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression);
          if (!(psiElement instanceof PsiField)) {
            continue;
          }

          if (((PsiField) psiElement).getContainingClass() != boundClass) {
            continue;
          }

          bindingField = (PsiField) psiElement;

          // find binding for this field
          final FormProperty2BeanProperty[] bindings = data.myBindings;
          for (int j = 0; j < bindings.length; j++) {
            final FormProperty2BeanProperty binding = bindings[j];
            if (bindingField
                .getName()
                .equals(binding.myFormProperty.getLwComponent().getBinding())) {
              index = j;
              break;
            }
          }
        }

        if (index == -1) {
          continue;
        }

        // find 'bar()'
        {
          final PsiReferenceParameterList parameterList =
              callExpression.getMethodExpression().getParameterList();
          if (parameterList == null) {
            continue;
          }

          final PsiExpressionList argumentList = callExpression.getArgumentList();
          if (argumentList == null) {
            continue;
          }

          final PsiExpression[] expressions = argumentList.getExpressions();
          if (expressions == null || expressions.length != 1) {
            continue;
          }

          if (!(expressions[0] instanceof PsiMethodCallExpression)) {
            continue;
          }

          final PsiMethodCallExpression callExpression2 =
              ((PsiMethodCallExpression) expressions[0]);

          // check that 'b' is parameter
          final PsiElement psiElement = getObjectForWhichMethodWasCalled(callExpression2);
          if (!(psiElement instanceof PsiParameter)) {
            continue;
          }

          final PsiMethod barMethod = ((PsiMethod) callExpression2.getMethodExpression().resolve());
          if (barMethod == null) {
            continue;
          }

          if (!PropertyUtil.isSimplePropertyGetter(barMethod)) {
            continue;
          }

          final String propertyName = PropertyUtil.getPropertyName(barMethod);

          // There are two possible types: boolean and java.lang.String
          String typeName = barMethod.getReturnType().getCanonicalText();
          if (!"boolean".equals(typeName) && !"java.lang.String".equals(typeName)) {
            continue;
          }

          data.myBindings[index].myBeanProperty = new BeanProperty(propertyName, typeName);
        }
      }
    }
  }
 private boolean checkCondition(
     @Nullable PsiExpression condition,
     @NotNull PsiStatement context,
     List<PsiExpression> notUpdated) {
   if (condition == null) {
     return false;
   }
   if (PsiUtil.isConstantExpression(condition) || PsiKeyword.NULL.equals(condition.getText())) {
     return true;
   }
   if (condition instanceof PsiInstanceOfExpression) {
     final PsiInstanceOfExpression instanceOfExpression = (PsiInstanceOfExpression) condition;
     final PsiExpression operand = instanceOfExpression.getOperand();
     return checkCondition(operand, context, notUpdated);
   } else if (condition instanceof PsiParenthesizedExpression) {
     // catch stuff like "while ((x)) { ... }"
     final PsiExpression expression = ((PsiParenthesizedExpression) condition).getExpression();
     return checkCondition(expression, context, notUpdated);
   } else if (condition instanceof PsiPolyadicExpression) {
     // while (value != x) { ... }
     // while (value != (x + y)) { ... }
     // while (b1 && b2) { ... }
     final PsiPolyadicExpression polyadicExpression = (PsiPolyadicExpression) condition;
     for (PsiExpression operand : polyadicExpression.getOperands()) {
       if (!checkCondition(operand, context, notUpdated)) {
         return false;
       }
     }
     return true;
   } else if (condition instanceof PsiReferenceExpression) {
     final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) condition;
     final PsiElement element = referenceExpression.resolve();
     if (element instanceof PsiField) {
       final PsiField field = (PsiField) element;
       final PsiType type = field.getType();
       if (field.hasModifierProperty(PsiModifier.FINAL) && type.getArrayDimensions() == 0) {
         if (field.hasModifierProperty(PsiModifier.STATIC)) {
           return true;
         }
         final PsiExpression qualifier = referenceExpression.getQualifierExpression();
         if (qualifier == null) {
           return true;
         } else if (checkCondition(qualifier, context, notUpdated)) {
           return true;
         }
       }
     } else if (element instanceof PsiVariable) {
       final PsiVariable variable = (PsiVariable) element;
       if (variable.hasModifierProperty(PsiModifier.FINAL)) {
         // final variables cannot be updated, don't bother to
         // flag them
         return true;
       } else if (element instanceof PsiLocalVariable || element instanceof PsiParameter) {
         if (!VariableAccessUtils.variableIsAssigned(variable, context)) {
           notUpdated.add(referenceExpression);
           return true;
         }
       }
     }
   } else if (condition instanceof PsiPrefixExpression) {
     final PsiPrefixExpression prefixExpression = (PsiPrefixExpression) condition;
     final IElementType tokenType = prefixExpression.getOperationTokenType();
     if (JavaTokenType.EXCL.equals(tokenType)
         || JavaTokenType.PLUS.equals(tokenType)
         || JavaTokenType.MINUS.equals(tokenType)) {
       final PsiExpression operand = prefixExpression.getOperand();
       return checkCondition(operand, context, notUpdated);
     }
   } else if (condition instanceof PsiArrayAccessExpression) {
     // Actually the contents of the array could change nevertheless
     // if it is accessed through a different reference like this:
     //   int[] local_ints = new int[]{1, 2};
     //   int[] other_ints = local_ints;
     //   while (local_ints[0] > 0) { other_ints[0]--; }
     //
     // Keep this check?
     final PsiArrayAccessExpression accessExpression = (PsiArrayAccessExpression) condition;
     final PsiExpression indexExpression = accessExpression.getIndexExpression();
     return checkCondition(indexExpression, context, notUpdated)
         && checkCondition(accessExpression.getArrayExpression(), context, notUpdated);
   } else if (condition instanceof PsiConditionalExpression) {
     final PsiConditionalExpression conditionalExpression = (PsiConditionalExpression) condition;
     final PsiExpression thenExpression = conditionalExpression.getThenExpression();
     final PsiExpression elseExpression = conditionalExpression.getElseExpression();
     if (thenExpression == null || elseExpression == null) {
       return false;
     }
     return checkCondition(conditionalExpression.getCondition(), context, notUpdated)
         && checkCondition(thenExpression, context, notUpdated)
         && checkCondition(elseExpression, context, notUpdated);
   } else if (condition instanceof PsiThisExpression) {
     return true;
   } else if (condition instanceof PsiMethodCallExpression && !ignoreIterators) {
     final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) condition;
     if (!IteratorUtils.isCallToHasNext(methodCallExpression)) {
       return false;
     }
     final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
     final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
     if (qualifierExpression instanceof PsiReferenceExpression) {
       final PsiReferenceExpression referenceExpression =
           (PsiReferenceExpression) qualifierExpression;
       final PsiElement element = referenceExpression.resolve();
       if (!(element instanceof PsiVariable)) {
         return false;
       }
       final PsiVariable variable = (PsiVariable) element;
       if (!IteratorUtils.containsCallToScannerNext(context, variable, true)) {
         notUpdated.add(qualifierExpression);
         return true;
       }
     } else {
       if (!IteratorUtils.containsCallToScannerNext(context, null, true)) {
         notUpdated.add(methodCallExpression);
         return true;
       }
     }
   }
   return false;
 }
  private static String[] getFieldNames(final RadComponent component, final String currentName) {
    final ArrayList<String> result = new ArrayList<String>();
    if (currentName != null) {
      result.add(currentName);
    }

    final IRootContainer root = FormEditingUtil.getRoot(component);
    final String className = root.getClassToBind();
    if (className == null) {
      return ArrayUtil.toStringArray(result);
    }

    final PsiClass aClass = FormEditingUtil.findClassToBind(component.getModule(), className);
    if (aClass == null) {
      return ArrayUtil.toStringArray(result);
    }

    final PsiField[] fields = aClass.getFields();

    for (final PsiField field : fields) {
      if (field.hasModifierProperty(PsiModifier.STATIC)) {
        continue;
      }

      final String fieldName = field.getName();

      if (Comparing.equal(currentName, fieldName)) {
        continue;
      }

      if (!FormEditingUtil.isBindingUnique(component, fieldName, root)) {
        continue;
      }

      final String componentClassName;
      if (component instanceof RadErrorComponent) {
        componentClassName = component.getComponentClassName();
      } else if (component instanceof RadHSpacer || component instanceof RadVSpacer) {
        componentClassName = Spacer.class.getName();
      } else {
        componentClassName = component.getComponentClass().getName();
      }

      final PsiType componentType;
      try {
        componentType =
            JavaPsiFacade.getInstance(component.getProject())
                .getElementFactory()
                .createTypeFromText(componentClassName, null);
      } catch (IncorrectOperationException e) {
        continue;
      }

      final PsiType fieldType = field.getType();
      if (!fieldType.isAssignableFrom(componentType)) {
        continue;
      }

      result.add(fieldName);
    }

    String text = FormInspectionUtil.getText(component.getModule(), component);
    if (text != null) {
      String binding = BindingProperty.suggestBindingFromText(component, text);
      if (binding != null && !result.contains(binding)) {
        result.add(binding);
      }
    }

    final String[] names = ArrayUtil.toStringArray(result);
    Arrays.sort(names);
    return names;
  }