@Nullable
 private PsiClass getScriptClass() {
   final VirtualFile scriptFile = getScriptFile();
   if (scriptFile == null) return null;
   final PsiFile file = PsiManager.getInstance(getProject()).findFile(scriptFile);
   return GroovyRunnerUtil.getRunningClass(file);
 }
  @NotNull
  private static String findMainClass(VirtualFile gradleHome, VirtualFile script, Project project) {
    final String userDefined = System.getProperty("gradle.launcher.class");
    if (StringUtil.isNotEmpty(userDefined)) {
      return userDefined;
    }

    VirtualFile launcher = gradleHome.findFileByRelativePath("bin/gradle");
    if (launcher == null) {
      launcher = gradleHome.findFileByRelativePath("bin/gradle.bat");
    }
    if (launcher != null) {
      try {
        final String text = StringUtil.convertLineSeparators(VfsUtilCore.loadText(launcher));
        final Matcher matcher = MAIN_CLASS_NAME_PATTERN.matcher(text);
        if (matcher.find()) {
          String candidate = matcher.group(1);
          if (StringUtil.isNotEmpty(candidate)) {
            return candidate;
          }
        }
      } catch (IOException ignored) {
      }
    }

    final PsiFile grFile = PsiManager.getInstance(project).findFile(script);
    if (grFile != null
        && JavaPsiFacade.getInstance(project)
                .findClass("org.gradle.BootstrapMain", grFile.getResolveScope())
            != null) {
      return "org.gradle.BootstrapMain";
    }

    return "org.gradle.launcher.GradleMain";
  }
 @Nullable
 public static PsiFile virtualFileToPsiFile(Project project, VirtualFile virtualFile) {
   if (virtualFile == null) {
     return null;
   }
   return PsiManager.getInstance(project).findFile(virtualFile);
 }
 @Nullable
 public static PsiDirectory findPossiblePackageDirectoryInModule(
     Module module, String packageName) {
   PsiDirectory psiDirectory = null;
   if (!"".equals(packageName)) {
     PsiPackage rootPackage = findLongestExistingPackage(module.getProject(), packageName);
     if (rootPackage != null) {
       final PsiDirectory[] psiDirectories = getPackageDirectoriesInModule(rootPackage, module);
       if (psiDirectories.length > 0) {
         psiDirectory = psiDirectories[0];
       }
     }
   }
   if (psiDirectory == null) {
     if (checkSourceRootsConfigured(module)) {
       final List<VirtualFile> sourceRoots =
           ModuleRootManager.getInstance(module).getSourceRoots(JavaModuleSourceRootTypes.SOURCES);
       for (VirtualFile sourceRoot : sourceRoots) {
         final PsiDirectory directory =
             PsiManager.getInstance(module.getProject()).findDirectory(sourceRoot);
         if (directory != null) {
           psiDirectory = directory;
           break;
         }
       }
     }
   }
   return psiDirectory;
 }
示例#5
0
 public static void addLibraryChildren(
     final LibraryOrSdkOrderEntry entry,
     final List<AbstractTreeNode> children,
     Project project,
     ProjectViewNode node) {
   final PsiManager psiManager = PsiManager.getInstance(project);
   VirtualFile[] files =
       entry instanceof LibraryOrderEntry
           ? getLibraryRoots((LibraryOrderEntry) entry)
           : entry.getRootFiles(OrderRootType.CLASSES);
   for (final VirtualFile file : files) {
     if (!file.isValid()) continue;
     if (file.isDirectory()) {
       final PsiDirectory psiDir = psiManager.findDirectory(file);
       if (psiDir == null) {
         continue;
       }
       children.add(new PsiDirectoryNode(project, psiDir, node.getSettings()));
     } else {
       final PsiFile psiFile = psiManager.findFile(file);
       if (psiFile == null) continue;
       children.add(new PsiFileNode(project, psiFile, node.getSettings()));
     }
   }
 }
  @Nullable
  private static PsiElement getElementToCopy(
      @Nullable final Editor editor, final DataContext dataContext) {
    PsiElement element = null;
    if (editor != null) {
      PsiReference reference = TargetElementUtilBase.findReference(editor);
      if (reference != null) {
        element = reference.getElement();
      }
    }

    if (element == null) {
      element = LangDataKeys.PSI_ELEMENT.getData(dataContext);
    }
    if (element == null && editor == null) {
      VirtualFile virtualFile = PlatformDataKeys.VIRTUAL_FILE.getData(dataContext);
      Project project = PlatformDataKeys.PROJECT.getData(dataContext);
      if (virtualFile != null && project != null) {
        element = PsiManager.getInstance(project).findFile(virtualFile);
      }
    }
    if (element instanceof PsiFile && !((PsiFile) element).getViewProvider().isPhysical()) {
      return null;
    }

    for (QualifiedNameProvider provider : Extensions.getExtensions(QualifiedNameProvider.EP_NAME)) {
      PsiElement adjustedElement = provider.adjustElementToCopy(element);
      if (adjustedElement != null) return adjustedElement;
    }
    return element;
  }
  @Nullable
  public static PsiClass[] getAllTestClasses(final TestClassFilter filter, boolean sync) {
    final PsiClass[][] holder = new PsiClass[1][];
    final Runnable process =
        () -> {
          final ProgressIndicator indicator = ProgressManager.getInstance().getProgressIndicator();

          final Collection<PsiClass> set = new LinkedHashSet<>();
          final PsiManager manager = PsiManager.getInstance(filter.getProject());
          final GlobalSearchScope projectScope =
              GlobalSearchScope.projectScope(manager.getProject());
          final GlobalSearchScope scope = projectScope.intersectWith(filter.getScope());
          for (final PsiClass psiClass : AllClassesSearch.search(scope, manager.getProject())) {
            if (filter.isAccepted(psiClass)) {
              if (indicator != null) {
                indicator.setText2(
                    "Found test class " + ReadAction.compute(psiClass::getQualifiedName));
              }
              set.add(psiClass);
            }
          }
          holder[0] = set.toArray(new PsiClass[set.size()]);
        };
    if (sync) {
      ProgressManager.getInstance()
          .runProcessWithProgressSynchronously(
              process, "Searching For Tests...", true, filter.getProject());
    } else {
      process.run();
    }
    return holder[0];
  }
  public static void generateProject(
      @NotNull final Project project,
      @NotNull final VirtualFile baseDir,
      @NotNull final String name,
      @NotNull final String[] authors,
      @NotNull final String description) {
    final Course course = getCourse(project, name, authors, description);

    final PsiDirectory projectDir = PsiManager.getInstance(project).findDirectory(baseDir);
    if (projectDir == null) return;
    new WriteCommandAction.Simple(project) {
      @Override
      protected void run() throws Throwable {

        createTestHelper(project, projectDir);

        PsiDirectory lessonDir = new CCCreateLesson().createItem(null, project, projectDir, course);
        if (lessonDir == null) {
          LOG.error("Failed to create lesson");
          return;
        }
        new CCCreateTask().createItem(null, project, lessonDir, course);
      }
    }.execute();
  }
  private void createTreeModel() {
    final PsiManager psiManager = PsiManager.getInstance(myProject);
    final FileIndex fileIndex =
        myModule != null
            ? ModuleRootManager.getInstance(myModule).getFileIndex()
            : ProjectRootManager.getInstance(myProject).getFileIndex();
    fileIndex.iterateContent(
        new ContentIterator() {
          public boolean processFile(VirtualFile fileOrDir) {
            if (fileOrDir.isDirectory() && fileIndex.isInSourceContent(fileOrDir)) {
              final PsiDirectory psiDirectory = psiManager.findDirectory(fileOrDir);
              LOG.assertTrue(psiDirectory != null);
              PsiPackage aPackage = JavaDirectoryService.getInstance().getPackage(psiDirectory);
              if (aPackage != null) {
                addPackage(aPackage);
              }
            }
            return true;
          }
        });

    TreeUtil.sort(
        myModel,
        new Comparator() {
          public int compare(Object o1, Object o2) {
            DefaultMutableTreeNode n1 = (DefaultMutableTreeNode) o1;
            DefaultMutableTreeNode n2 = (DefaultMutableTreeNode) o2;
            PsiNamedElement element1 = (PsiNamedElement) n1.getUserObject();
            PsiNamedElement element2 = (PsiNamedElement) n2.getUserObject();
            return element1.getName().compareToIgnoreCase(element2.getName());
          }
        });
  }
 @Nullable
 private static PsiElement getSelectedPsiElement(
     final DataContext dataContext, final Project project) {
   PsiElement element = null;
   final Editor editor = CommonDataKeys.EDITOR.getData(dataContext);
   if (editor != null) {
     final PsiFile psiFile =
         PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
     if (psiFile != null) {
       final int offset = editor.getCaretModel().getOffset();
       element = psiFile.findElementAt(offset);
       if (element == null && offset > 0 && offset == psiFile.getTextLength()) {
         element = psiFile.findElementAt(offset - 1);
       }
     }
   }
   if (element == null) {
     final PsiElement[] elements = LangDataKeys.PSI_ELEMENT_ARRAY.getData(dataContext);
     element = elements != null && elements.length > 0 ? elements[0] : null;
   }
   if (element == null) {
     final VirtualFile[] files = CommonDataKeys.VIRTUAL_FILE_ARRAY.getData(dataContext);
     if (files != null && files.length > 0) {
       element = PsiManager.getInstance(project).findFile(files[0]);
     }
   }
   return element;
 }
  @Nullable
  @Override
  public PsiPackage resolvePackage(
      @NotNull PsiPackageManager packageManager,
      @NotNull VirtualFile virtualFile,
      @NotNull Class<? extends ModuleExtension> extensionClass,
      String qualifiedName) {
    ProjectFileIndex fileIndexFacade =
        ProjectFileIndex.SERVICE.getInstance(packageManager.getProject());
    PsiManager psiManager = PsiManager.getInstance(packageManager.getProject());
    if (fileIndexFacade.isInLibraryClasses(virtualFile)) {

      List<OrderEntry> orderEntriesForFile = fileIndexFacade.getOrderEntriesForFile(virtualFile);
      for (OrderEntry orderEntry : orderEntriesForFile) {
        Module ownerModule = orderEntry.getOwnerModule();
        ModuleExtension extension = ModuleUtilCore.getExtension(ownerModule, extensionClass);
        if (extension != null) {
          for (PsiPackageSupportProvider p : PsiPackageSupportProvider.EP_NAME.getExtensions()) {
            if (p.isSupported(extension)) {
              return p.createPackage(psiManager, packageManager, extensionClass, qualifiedName);
            }
          }
        }
      }
    }
    return null;
  }
    private PsiElement[] getElementsToDelete() {
      ArrayList<PsiElement> result = new ArrayList<PsiElement>();
      Object[] elements = getSelectedNodeElements();
      for (int idx = 0; elements != null && idx < elements.length; idx++) {
        if (elements[idx] instanceof PsiElement) {
          final PsiElement element = (PsiElement) elements[idx];
          result.add(element);
          if (element instanceof PsiDirectory) {
            final VirtualFile virtualFile = ((PsiDirectory) element).getVirtualFile();
            final String path = virtualFile.getPath();
            if (path.endsWith(JarFileSystem.JAR_SEPARATOR)) { // if is jar-file root
              final VirtualFile vFile =
                  LocalFileSystem.getInstance()
                      .findFileByPath(
                          path.substring(0, path.length() - JarFileSystem.JAR_SEPARATOR.length()));
              if (vFile != null) {
                final PsiFile psiFile = PsiManager.getInstance(myProject).findFile(vFile);
                if (psiFile != null) {
                  elements[idx] = psiFile;
                }
              }
            }
          }
        }
      }

      return result.toArray(new PsiElement[result.size()]);
    }
 @Nullable
 @Override
 public RefEntity getReference(final String type, final String fqName) {
   for (RefManagerExtension extension : myExtensions.values()) {
     final RefEntity refEntity = extension.getReference(type, fqName);
     if (refEntity != null) return refEntity;
   }
   if (SmartRefElementPointer.FILE.equals(type)) {
     return RefFileImpl.fileFromExternalName(this, fqName);
   }
   if (SmartRefElementPointer.MODULE.equals(type)) {
     return RefModuleImpl.moduleFromName(this, fqName);
   }
   if (SmartRefElementPointer.PROJECT.equals(type)) {
     return getRefProject();
   }
   if (SmartRefElementPointer.DIR.equals(type)) {
     String url =
         VfsUtilCore.pathToUrl(PathMacroManager.getInstance(getProject()).expandPath(fqName));
     VirtualFile vFile = VirtualFileManager.getInstance().findFileByUrl(url);
     if (vFile != null) {
       final PsiDirectory dir = PsiManager.getInstance(getProject()).findDirectory(vFile);
       return getReference(dir);
     }
   }
   return null;
 }
  static void subscribeTo(NavBarPanel panel) {
    if (panel.getClientProperty(LISTENER) != null) {
      unsubscribeFrom(panel);
    }

    final NavBarListener listener = new NavBarListener(panel);
    final Project project = panel.getProject();
    panel.putClientProperty(LISTENER, listener);
    KeyboardFocusManager.getCurrentKeyboardFocusManager().addPropertyChangeListener(listener);
    FileStatusManager.getInstance(project).addFileStatusListener(listener);
    PsiManager.getInstance(project).addPsiTreeChangeListener(listener);
    WolfTheProblemSolver.getInstance(project).addProblemListener(listener);
    ActionManager.getInstance().addAnActionListener(listener);

    final MessageBusConnection connection = project.getMessageBus().connect();
    connection.subscribe(ProjectTopics.PROJECT_ROOTS, listener);
    connection.subscribe(NavBarModelListener.NAV_BAR, listener);
    connection.subscribe(FileEditorManagerListener.FILE_EDITOR_MANAGER, listener);
    panel.putClientProperty(BUS, connection);
    panel.addKeyListener(listener);

    if (panel.isInFloatingMode()) {
      final Window window = SwingUtilities.windowForComponent(panel);
      if (window != null) {
        window.addWindowFocusListener(listener);
      }
    }
  }
 @Override
 @NotNull
 public Collection<PsiFileSystemItem> getRoots(@NotNull final Module module) {
   return ContainerUtil.mapNotNull(
       ModuleRootManager.getInstance(module).getContentRoots(),
       virtualFile -> PsiManager.getInstance(module.getProject()).findDirectory(virtualFile));
 }
  @Nullable
  public static PsiDirectory selectFolderDir(
      final Project project, VirtualFile res, ResourceFolderType folderType) {
    final PsiDirectory directory = PsiManager.getInstance(project).findDirectory(res);
    if (directory == null) {
      return null;
    }
    if (ApplicationManager.getApplication().isUnitTestMode() && ourTargetFolderName != null) {
      PsiDirectory subDirectory = directory.findSubdirectory(ourTargetFolderName);
      if (subDirectory != null) {
        return subDirectory;
      }
      return directory.createSubdirectory(ourTargetFolderName);
    }
    final CreateResourceDirectoryDialog dialog =
        new CreateResourceDirectoryDialog(project, folderType, directory, null) {
          @Override
          protected InputValidator createValidator() {
            return new ResourceDirectorySelector(project, directory);
          }
        };
    dialog.setTitle("Select Resource Directory");
    dialog.show();
    final InputValidator validator = dialog.getValidator();
    if (validator != null) {
      PsiElement[] createdElements = ((ResourceDirectorySelector) validator).getCreatedElements();
      if (createdElements != null && createdElements.length > 0) {
        return (PsiDirectory) createdElements[0];
      }
    }

    return null;
  }
    @Override
    public void navigate(Project project) {
      VirtualFile currentVirtualFile = null;

      AccessToken accessToken = ReadAction.start();

      try {
        if (!myVirtualFile.isValid()) return;

        PsiFile psiFile = PsiManager.getInstance(project).findFile(myVirtualFile);
        if (psiFile != null) {
          PsiElement navigationElement =
              psiFile.getNavigationElement(); // Sources may be downloaded.
          if (navigationElement instanceof PsiFile) {
            currentVirtualFile = ((PsiFile) navigationElement).getVirtualFile();
          }
        }

        if (currentVirtualFile == null) {
          currentVirtualFile = myVirtualFile;
        }
      } finally {
        accessToken.finish();
      }

      new OpenFileHyperlinkInfo(myProject, currentVirtualFile, myLineNumber - 1).navigate(project);
    }
示例#18
0
 @Nullable
 public static PropertiesFile getPropertiesFile(
     @NotNull Project project, @NotNull VirtualFile file) {
   PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
   if (!(psiFile instanceof PropertiesFile)) return null;
   return (PropertiesFile) psiFile;
 }
  @Nullable
  public Object getData(String dataId) {

    if (CommonDataKeys.PROJECT.is(dataId)) {
      return editor != null ? editor.getProject() : null;
    } else if (CommonDataKeys.VIRTUAL_FILE.is(dataId)) {
      return editor != null ? editor.getFile() : null;
    } else if (CommonDataKeys.VIRTUAL_FILE_ARRAY.is(dataId)) {
      return editor != null ? new VirtualFile[] {editor.getFile()} : new VirtualFile[] {};
    } else if (CommonDataKeys.PSI_FILE.is(dataId)) {
      return getData(CommonDataKeys.PSI_ELEMENT.getName());
    } else if (CommonDataKeys.PSI_ELEMENT.is(dataId)) {
      VirtualFile file = editor != null ? editor.getFile() : null;
      return file != null && file.isValid()
          ? PsiManager.getInstance(editor.getProject()).findFile(file)
          : null;
    } else if (LangDataKeys.PSI_ELEMENT_ARRAY.is(dataId)) {
      return editor != null
          ? new PsiElement[] {(PsiElement) getData(CommonDataKeys.PSI_ELEMENT.getName())}
          : new PsiElement[] {};
    } else if (PlatformDataKeys.COPY_PROVIDER.is(dataId) && copyPasteSupport != null) {
      return this;
    } else if (PlatformDataKeys.CUT_PROVIDER.is(dataId) && copyPasteSupport != null) {
      return copyPasteSupport.getCutProvider();
    } else if (PlatformDataKeys.DELETE_ELEMENT_PROVIDER.is(dataId)) {
      return deleteProvider;
    } else if (ImageComponentDecorator.DATA_KEY.is(dataId)) {
      return editor != null ? editor : this;
    }

    return null;
  }
示例#20
0
    @Override
    public void hyperlinkUpdate(@NotNull HyperlinkEvent e) {
      if (e.getEventType() != HyperlinkEvent.EventType.ACTIVATED) {
        return;
      }

      String description = e.getDescription();
      if (StringUtil.isEmpty(description)
          || !description.startsWith(DocumentationManager.PSI_ELEMENT_PROTOCOL)) {
        return;
      }

      String elementName =
          e.getDescription().substring(DocumentationManager.PSI_ELEMENT_PROTOCOL.length());

      final PsiElement targetElement =
          myProvider.getDocumentationElementForLink(
              PsiManager.getInstance(myProject), elementName, myContext);
      if (targetElement != null) {
        LightweightHint hint = myHint;
        if (hint != null) {
          hint.hide(true);
        }
        myDocumentationManager.showJavaDocInfo(targetElement, myContext, true, null);
      }
    }
示例#21
0
 public Object[] createPath(final Project project) {
   final VirtualFile file = VirtualFileManager.getInstance().findFileByUrl(url);
   if (file == null || !file.isValid()) {
     return null;
   }
   return new Object[] {PsiManager.getInstance(project).findFile(file)};
 }
  @Nullable
  static HighlightInfo checkFileDuplicates(@NotNull PsiJavaModule element, @NotNull PsiFile file) {
    Module module = ModuleUtilCore.findModuleForPsiElement(element);
    if (module != null) {
      Project project = file.getProject();
      Collection<VirtualFile> others =
          FilenameIndex.getVirtualFilesByName(project, MODULE_INFO_FILE, new ModulesScope(module));
      if (others.size() > 1) {
        String message = JavaErrorMessages.message("module.file.duplicate");
        HighlightInfo info =
            HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
                .range(range(element))
                .description(message)
                .create();
        others
            .stream()
            .map(f -> PsiManager.getInstance(project).findFile(f))
            .filter(f -> f != file)
            .findFirst()
            .ifPresent(
                duplicate ->
                    QuickFixAction.registerQuickFixAction(
                        info,
                        new GoToSymbolFix(
                            duplicate, JavaErrorMessages.message("module.open.duplicate.text"))));
        return info;
      }
    }

    return null;
  }
示例#23
0
    public void merge(final Binding b, final boolean removeObject) {
      for (final PsiTypeVariable var : b.getBoundVariables()) {
        final int index = var.getIndex();

        if (myBindings.get(index) != null) {
          LOG.error("Oops... Binding conflict...");
        } else {
          final PsiType type = b.apply(var);
          final PsiClassType javaLangObject =
              PsiType.getJavaLangObject(
                  PsiManager.getInstance(myProject), GlobalSearchScope.allScope(myProject));

          if (removeObject && javaLangObject.equals(type)) {
            final HashSet<PsiTypeVariable> cluster = myFactory.getClusterOf(var.getIndex());

            if (cluster != null) {
              for (final PsiTypeVariable war : cluster) {
                final PsiType wtype = b.apply(war);

                if (!javaLangObject.equals(wtype)) {
                  myBindings.put(index, type);
                  break;
                }
              }
            }
          } else {
            myBindings.put(index, type);
          }
        }
      }
    }
示例#24
0
    public PsiType apply(final PsiType type) {
      if (type instanceof PsiTypeVariable) {
        final PsiType t = myBindings.get(((PsiTypeVariable) type).getIndex());
        return t == null ? type : t;
      } else if (type instanceof PsiArrayType) {
        return apply(((PsiArrayType) type).getComponentType()).createArrayType();
      } else if (type instanceof PsiClassType) {
        final PsiClassType.ClassResolveResult result = Util.resolveType(type);
        final PsiClass theClass = result.getElement();
        final PsiSubstitutor aSubst = result.getSubstitutor();

        PsiSubstitutor theSubst = PsiSubstitutor.EMPTY;

        if (theClass != null) {
          for (final PsiTypeParameter aParm : aSubst.getSubstitutionMap().keySet()) {
            final PsiType aType = aSubst.substitute(aParm);

            theSubst = theSubst.put(aParm, apply(aType));
          }

          return JavaPsiFacade.getInstance(theClass.getProject())
              .getElementFactory()
              .createType(theClass, theSubst);
        } else {
          return type;
        }
      } else if (type instanceof PsiWildcardType) {
        final PsiWildcardType wcType = (PsiWildcardType) type;
        final PsiType bound = wcType.getBound();

        if (bound != null) {
          final PsiType abound = apply(bound);

          if (abound instanceof PsiWildcardType) {
            return null;
          }

          return wcType.isExtends()
              ? PsiWildcardType.createExtends(PsiManager.getInstance(myProject), abound)
              : PsiWildcardType.createSuper(PsiManager.getInstance(myProject), abound);
        }

        return type;
      } else {
        return type;
      }
    }
    public KotlinPsiElementFinderImpl(Project project) {
      this.javaFileManager = findJavaFileManager(project);
      this.psiPackageManager = PsiPackageManager.getInstance(project);
      this.isCliFileManager = javaFileManager instanceof KotlinCliJavaFileManager;

      this.packageIndex = DirectoryIndex.getInstance(project);
      this.psiManager = PsiManager.getInstance(project);
    }
示例#26
0
 @Nullable
 public static <T extends MavenDomElement> T getMavenDomModel(
     @NotNull Project project, @NotNull VirtualFile file, @NotNull Class<T> clazz) {
   if (!file.isValid()) return null;
   PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
   if (psiFile == null) return null;
   return getMavenDomModel(psiFile, clazz);
 }
  private static boolean isSuitable(@NotNull Project project, @NotNull VirtualFile file) {
    if (file instanceof HttpVirtualFile) {
      return false;
    }

    final FileViewProvider provider = PsiManager.getInstance(project).findViewProvider(file);
    return provider != null && BreadcrumbsXmlWrapper.findInfoProvider(provider) != null;
  }
 @Nullable
 private PsiDirectory getPsiDirectory() {
   if (myDirectory == null) {
     if (myVDirectory.isValid() && !myProject.isDisposed()) {
       myDirectory = PsiManager.getInstance(myProject).findDirectory(myVDirectory);
     }
   }
   return myDirectory;
 }
 @NotNull
 @Override
 public PsiType getForcedType() {
   final PsiType selectedType = mySettings.getSelectedType();
   if (selectedType != null) return selectedType;
   final PsiManager manager = PsiManager.getInstance(myProject);
   final GlobalSearchScope resolveScope = mySettings.getToReplaceIn().getResolveScope();
   return PsiType.getJavaLangObject(manager, resolveScope);
 }
  @Override
  public PsiFileSystemItem findRoot(final Project project, @NotNull final VirtualFile file) {
    final ProjectFileIndex index = ProjectRootManager.getInstance(project).getFileIndex();
    VirtualFile contentRootForFile = index.getContentRootForFile(file);

    return contentRootForFile != null
        ? PsiManager.getInstance(project).findDirectory(contentRootForFile)
        : null;
  }