public AddModuleDependencyFix(
      Module currentModule, VirtualFile classVFile, PsiClass[] classes, PsiReference reference) {
    final PsiElement psiElement = reference.getElement();
    final Project project = psiElement.getProject();
    final JavaPsiFacade facade = JavaPsiFacade.getInstance(project);
    final ProjectFileIndex fileIndex = ProjectRootManager.getInstance(project).getFileIndex();

    for (PsiClass aClass : classes) {
      if (!facade.getResolveHelper().isAccessible(aClass, psiElement, aClass)) continue;
      PsiFile psiFile = aClass.getContainingFile();
      if (psiFile == null) continue;
      VirtualFile virtualFile = psiFile.getVirtualFile();
      if (virtualFile == null) continue;
      final Module classModule = fileIndex.getModuleForFile(virtualFile);
      if (classModule != null
          && classModule != currentModule
          && !ModuleRootManager.getInstance(currentModule).isDependsOn(classModule)) {
        myModules.add(classModule);
      }
    }
    myCurrentModule = currentModule;
    myClassVFile = classVFile;
    myClasses = classes;
    myReference = reference;
  }
  private void updateEditorText() {
    disposeNonTextEditor();

    final PsiElement elt = myElements[myIndex].getNavigationElement();
    Project project = elt.getProject();
    PsiFile psiFile = getContainingFile(elt);
    final VirtualFile vFile = psiFile.getVirtualFile();
    if (vFile == null) return;
    final FileEditorProvider[] providers =
        FileEditorProviderManager.getInstance().getProviders(project, vFile);
    for (FileEditorProvider provider : providers) {
      if (provider instanceof TextEditorProvider) {
        updateTextElement(elt);
        myBinarySwitch.show(myViewingPanel, TEXT_PAGE_KEY);
        break;
      } else if (provider.accept(project, vFile)) {
        myCurrentNonTextEditorProvider = provider;
        myNonTextEditor = myCurrentNonTextEditorProvider.createEditor(project, vFile);
        myBinaryPanel.removeAll();
        myBinaryPanel.add(myNonTextEditor.getComponent());
        myBinarySwitch.show(myViewingPanel, BINARY_PAGE_KEY);
        break;
      }
    }
  }
    @Override
    public final void actionPerformed(final AnActionEvent event) {
      final DataContext dataContext = event.getDataContext();
      final HierarchyBrowserBaseEx browser =
          (HierarchyBrowserBaseEx) dataContext.getData(myBrowserDataKey);
      if (browser == null) return;

      final PsiElement selectedElement = browser.getSelectedElement();
      if (selectedElement == null || !browser.isApplicableElement(selectedElement)) return;

      final String currentViewType = browser.myCurrentViewType;
      Disposer.dispose(browser);
      final HierarchyProvider provider =
          BrowseHierarchyActionBase.findProvider(
              myProviderLanguageExtension,
              selectedElement,
              selectedElement.getContainingFile(),
              event.getDataContext());
      final HierarchyBrowser newBrowser =
          BrowseHierarchyActionBase.createAndAddToPanel(
              selectedElement.getProject(), provider, selectedElement);
      ApplicationManager.getApplication()
          .invokeLater(
              () ->
                  ((HierarchyBrowserBaseEx) newBrowser)
                      .changeView(correctViewType(browser, currentViewType)));
    }
 @Nullable
 public String getInfo() {
   try {
     return generateInfo(myTargetElement, myElementAtPointer);
   } catch (IndexNotReadyException e) {
     showDumbModeNotification(myTargetElement.getProject());
     return null;
   }
 }
 @NotNull
 public static GlobalSearchScope getMaximalScope(@NotNull FindUsagesHandler handler) {
   PsiElement element = handler.getPsiElement();
   Project project = element.getProject();
   PsiFile file = element.getContainingFile();
   if (file != null
       && ProjectFileIndex.SERVICE
           .getInstance(project)
           .isInContent(file.getViewProvider().getVirtualFile())) {
     return GlobalSearchScope.projectScope(project);
   }
   return GlobalSearchScope.allScope(project);
 }
 private void doWriteAction(final ImportCandidateHolder item) {
   PsiElement src = item.getImportable();
   new WriteCommandAction(
       src.getProject(), PyBundle.message("ACT.CMD.use.import"), myTarget.getContainingFile()) {
     @Override
     protected void run(@NotNull Result result) throws Throwable {
       doIt(item);
     }
   }.execute();
   if (myOnDoneCallback != null) {
     myOnDoneCallback.run();
   }
 }
Example #7
0
 @Override
 @NotNull
 public DocInfo getInfo() {
   AccessToken token = ReadAction.start();
   try {
     return generateInfo(myTargetElement, myElementAtPointer);
   } catch (IndexNotReadyException e) {
     showDumbModeNotification(myTargetElement.getProject());
     return DocInfo.EMPTY;
   } finally {
     token.finish();
   }
 }
 @Override
 public void actionPerformed(AnActionEvent e) {
   PsiElement element = myElements[myIndex];
   PsiElement navigationElement = element.getNavigationElement();
   PsiFile file = getContainingFile(navigationElement);
   if (file == null) return;
   VirtualFile virtualFile = file.getVirtualFile();
   if (virtualFile == null) return;
   Project project = element.getProject();
   FileEditorManagerEx fileEditorManager = FileEditorManagerEx.getInstanceEx(project);
   OpenFileDescriptor descriptor =
       new OpenFileDescriptor(project, virtualFile, navigationElement.getTextOffset());
   fileEditorManager.openTextEditor(descriptor, myFocusEditor);
 }
 private void addToExistingImport(PyImportElement src) {
   final PyElementGenerator gen = PyElementGenerator.getInstance(myTarget.getProject());
   // did user choose 'import' or 'from import'?
   PsiElement parent = src.getParent();
   if (parent instanceof PyFromImportStatement) {
     // add another import element right after the one we got
     PsiElement newImportElement = gen.createImportElement(LanguageLevel.getDefault(), myName);
     parent.add(newImportElement);
   } else { // just 'import'
     // all we need is to qualify our target
     myTarget.replace(
         gen.createExpressionFromText(
             LanguageLevel.forElement(myTarget), src.getVisibleName() + "." + myName));
   }
 }
 @Override
 public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
   if (!FileModificationService.getInstance()
       .preparePsiElementForWrite(descriptor.getPsiElement())) return;
   final PsiElement psiElement = descriptor.getPsiElement();
   if (psiElement instanceof PsiInstanceOfExpression) {
     try {
       final PsiExpression compareToNull =
           JavaPsiFacade.getInstance(psiElement.getProject())
               .getElementFactory()
               .createExpressionFromText(
                   ((PsiInstanceOfExpression) psiElement).getOperand().getText() + " != null",
                   psiElement.getParent());
       psiElement.replace(compareToNull);
     } catch (IncorrectOperationException e) {
       LOG.error(e);
     }
   }
 }
  @Override
  public PsiElement setName(@NonNls @NotNull String name) throws IncorrectOperationException {
    PsiElement nameElement = getNameIdentifierGroovy();

    GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(nameElement.getProject());
    PsiElement newNameElement;
    if (JavaPsiFacade.getInstance(getProject()).getNameHelper().isIdentifier(name)) {
      try {
        GrMethod method = factory.createMethod(name, null);
        newNameElement = method.getNameIdentifierGroovy();
      } catch (IncorrectOperationException e) {
        newNameElement = factory.createLiteralFromValue(name).getFirstChild();
      }
    } else {
      newNameElement = factory.createLiteralFromValue(name).getFirstChild();
    }
    nameElement.replace(newNameElement);
    return this;
  }
 private void addImportStatement(ImportCandidateHolder item) {
   final Project project = myTarget.getProject();
   final PyElementGenerator gen = PyElementGenerator.getInstance(project);
   AddImportHelper.ImportPriority priority =
       AddImportHelper.getImportPriority(myTarget, item.getFile());
   PsiFile file = myTarget.getContainingFile();
   InjectedLanguageManager manager = InjectedLanguageManager.getInstance(project);
   if (manager.isInjectedFragment(file)) {
     file = manager.getTopLevelFile(myTarget);
   }
   // We are trying to import top-level module or package which thus cannot be qualified
   if (isRoot(item.getFile())) {
     if (myImportLocally) {
       AddImportHelper.addLocalImportStatement(myTarget, myName);
     } else {
       AddImportHelper.addImportStatement(file, myName, item.getAsName(), priority, null);
     }
   } else {
     final QualifiedName path = item.getPath();
     final String qualifiedName = path != null ? path.toString() : "";
     if (myUseQualifiedImport) {
       String nameToImport = qualifiedName;
       if (item.getImportable() instanceof PsiFileSystemItem) {
         nameToImport += "." + myName;
       }
       if (myImportLocally) {
         AddImportHelper.addLocalImportStatement(myTarget, nameToImport);
       } else {
         AddImportHelper.addImportStatement(file, nameToImport, item.getAsName(), priority, null);
       }
       myTarget.replace(
           gen.createExpressionFromText(
               LanguageLevel.forElement(myTarget), qualifiedName + "." + myName));
     } else {
       if (myImportLocally) {
         AddImportHelper.addLocalFromImportStatement(myTarget, qualifiedName, myName);
       } else {
         AddImportHelper.addFromImportStatement(
             file, qualifiedName, myName, item.getAsName(), priority, null);
       }
     }
   }
 }
  public static String getNewText(PsiElement elt) {
    Project project = elt.getProject();
    PsiFile psiFile = getContainingFile(elt);

    final Document doc = PsiDocumentManager.getInstance(project).getDocument(psiFile);
    if (doc == null) return null;

    final ImplementationTextSelectioner implementationTextSelectioner =
        LanguageImplementationTextSelectioner.INSTANCE.forLanguage(elt.getLanguage());
    int start = implementationTextSelectioner.getTextStartOffset(elt);
    final int end = implementationTextSelectioner.getTextEndOffset(elt);

    final int lineStart = doc.getLineStartOffset(doc.getLineNumber(start));
    final int lineEnd =
        end < doc.getTextLength()
            ? doc.getLineEndOffset(doc.getLineNumber(end))
            : doc.getTextLength();
    return doc.getCharsSequence().subSequence(lineStart, lineEnd).toString();
  }
 /**
  * Alters either target (by qualifying a name) or source (by explicitly importing the name).
  *
  * @return true if action succeeded
  */
 public boolean execute() {
   // check if the tree is sane
   PsiDocumentManager.getInstance(myTarget.getProject()).commitAllDocuments();
   if (!myTarget.isValid()) return false;
   if ((myTarget instanceof PyQualifiedExpression)
       && ((((PyQualifiedExpression) myTarget).isQualified())))
     return false; // we cannot be qualified
   for (ImportCandidateHolder item : mySources) {
     if (!item.getImportable().isValid()) return false;
     if (!item.getFile().isValid()) return false;
     if (item.getImportElement() != null && !item.getImportElement().isValid()) return false;
   }
   if (mySources.isEmpty()) {
     return false;
   }
   // act
   if (mySources.size() > 1) {
     selectSourceAndDo();
   } else doWriteAction(mySources.get(0));
   return true;
 }
 @NotNull
 @Override
 protected InspectionGadgetsFix[] buildFixes(Object... infos) {
   final PsiElement context = (PsiElement) infos[1];
   final SmartTypePointerManager pointerManager =
       SmartTypePointerManager.getInstance(context.getProject());
   final List<PsiType> maskedTypes = (List<PsiType>) infos[0];
   final List<InspectionGadgetsFix> fixes = new ArrayList<>();
   for (PsiType thrown : maskedTypes) {
     final String typeText = thrown.getCanonicalText();
     if (CommonClassNames.JAVA_LANG_RUNTIME_EXCEPTION.equals(typeText)) {
       fixes.add(new ReplaceWithRuntimeExceptionFix());
     } else {
       fixes.add(new AddCatchSectionFix(pointerManager.createSmartTypePointer(thrown), typeText));
     }
   }
   final InspectionGadgetsFix fix = SuppressForTestsScopeFix.build(this, context);
   if (fix != null) {
     fixes.add(fix);
   }
   return fixes.toArray(new InspectionGadgetsFix[fixes.size()]);
 }
  /** Should be invoked in command and write action */
  @SuppressWarnings({"HardCodedStringLiteral"})
  public static void generateDataBindingMethods(final WizardData data) throws MyException {
    if (data.myBindToNewBean) {
      data.myBeanClass = createBeanClass(data);
    } else {
      if (!CommonRefactoringUtil.checkReadOnlyStatus(
          data.myBeanClass.getProject(), data.myBeanClass)) {
        return;
      }
    }

    final HashMap<String, String> binding2beanGetter = new HashMap<String, String>();
    final HashMap<String, String> binding2beanSetter = new HashMap<String, String>();

    final FormProperty2BeanProperty[] bindings = data.myBindings;
    for (final FormProperty2BeanProperty form2bean : bindings) {
      if (form2bean == null || form2bean.myBeanProperty == null) {
        continue;
      }

      // check that bean contains the property, and if not, try to add the property to the bean
      {
        final String setterName = PropertyUtil.suggestSetterName(form2bean.myBeanProperty.myName);
        final PsiMethod[] methodsByName = data.myBeanClass.findMethodsByName(setterName, true);
        if (methodsByName.length < 1) {
          // bean does not contain this property
          // try to add...

          LOG.assertTrue(
              !data.myBindToNewBean); // just generated bean class should contain all necessary
                                      // properties

          if (!data.myBeanClass.isWritable()) {
            throw new MyException(
                "Cannot add property to non writable class " + data.myBeanClass.getQualifiedName());
          }

          final StringBuffer membersBuffer = new StringBuffer();
          final StringBuffer methodsBuffer = new StringBuffer();

          final Project project = data.myBeanClass.getProject();
          final CodeStyleManager formatter = CodeStyleManager.getInstance(project);
          final JavaCodeStyleManager styler = JavaCodeStyleManager.getInstance(project);

          generateProperty(
              styler,
              form2bean.myBeanProperty.myName,
              form2bean.myBeanProperty.myType,
              membersBuffer,
              methodsBuffer);

          final PsiClass fakeClass;
          try {
            fakeClass =
                JavaPsiFacade.getInstance(data.myBeanClass.getProject())
                    .getElementFactory()
                    .createClassFromText(membersBuffer.toString() + methodsBuffer.toString(), null);

            final PsiField[] fields = fakeClass.getFields();
            {
              final PsiElement result = data.myBeanClass.add(fields[0]);
              styler.shortenClassReferences(result);
              formatter.reformat(result);
            }

            final PsiMethod[] methods = fakeClass.getMethods();
            {
              final PsiElement result = data.myBeanClass.add(methods[0]);
              styler.shortenClassReferences(result);
              formatter.reformat(result);
            }
            {
              final PsiElement result = data.myBeanClass.add(methods[1]);
              styler.shortenClassReferences(result);
              formatter.reformat(result);
            }
          } catch (IncorrectOperationException e) {
            throw new MyException(e.getMessage());
          }
        }
      }

      final PsiMethod propertySetter =
          PropertyUtil.findPropertySetter(
              data.myBeanClass, form2bean.myBeanProperty.myName, false, true);
      final PsiMethod propertyGetter =
          PropertyUtil.findPropertyGetter(
              data.myBeanClass, form2bean.myBeanProperty.myName, false, true);

      if (propertyGetter == null) {
        // todo
        continue;
      }
      if (propertySetter == null) {
        // todo
        continue;
      }

      final String binding = form2bean.myFormProperty.getLwComponent().getBinding();
      binding2beanGetter.put(binding, propertyGetter.getName());
      binding2beanSetter.put(binding, propertySetter.getName());
    }

    final String dataBeanClassName = data.myBeanClass.getQualifiedName();

    final LwRootContainer[] rootContainer = new LwRootContainer[1];
    final FormProperty[] formProperties =
        exposeForm(data.myProject, data.myFormFile, rootContainer);

    final StringBuffer getDataBody = new StringBuffer();
    final StringBuffer setDataBody = new StringBuffer();
    final StringBuffer isModifiedBody = new StringBuffer();

    // iterate exposed formproperties

    for (final FormProperty formProperty : formProperties) {
      final String binding = formProperty.getLwComponent().getBinding();
      if (!binding2beanGetter.containsKey(binding)) {
        continue;
      }

      getDataBody.append("data.");
      getDataBody.append(binding2beanSetter.get(binding));
      getDataBody.append("(");
      getDataBody.append(binding);
      getDataBody.append(".");
      getDataBody.append(formProperty.getComponentPropertyGetterName());
      getDataBody.append("());\n");

      setDataBody.append(binding);
      setDataBody.append(".");
      setDataBody.append(formProperty.getComponentPropertySetterName());
      setDataBody.append("(data.");
      setDataBody.append(binding2beanGetter.get(binding));
      setDataBody.append("());\n");

      final String propertyClassName = formProperty.getComponentPropertyClassName();
      if ("boolean".equals(propertyClassName)) {
        isModifiedBody.append("if (");
        //
        isModifiedBody.append(binding);
        isModifiedBody.append(".");
        isModifiedBody.append(formProperty.getComponentPropertyGetterName());
        isModifiedBody.append("()");
        //
        isModifiedBody.append("!= ");
        //
        isModifiedBody.append("data.");
        isModifiedBody.append(binding2beanGetter.get(binding));
        isModifiedBody.append("()");
        //
        isModifiedBody.append(") return true;\n");
      } else {
        isModifiedBody.append("if (");
        //
        isModifiedBody.append(binding);
        isModifiedBody.append(".");
        isModifiedBody.append(formProperty.getComponentPropertyGetterName());
        isModifiedBody.append("()");
        //
        isModifiedBody.append("!= null ? ");
        //
        isModifiedBody.append("!");
        //
        isModifiedBody.append(binding);
        isModifiedBody.append(".");
        isModifiedBody.append(formProperty.getComponentPropertyGetterName());
        isModifiedBody.append("()");
        //
        isModifiedBody.append(".equals(");
        //
        isModifiedBody.append("data.");
        isModifiedBody.append(binding2beanGetter.get(binding));
        isModifiedBody.append("()");
        isModifiedBody.append(") : ");
        //
        isModifiedBody.append("data.");
        isModifiedBody.append(binding2beanGetter.get(binding));
        isModifiedBody.append("()");
        isModifiedBody.append("!= null");
        //
        isModifiedBody.append(") return true;\n");
      }
    }
    isModifiedBody.append("return false;\n");

    final String textOfMethods =
        "public void setData("
            + dataBeanClassName
            + " data){\n"
            + setDataBody.toString()
            + "}\n"
            + "\n"
            + "public void getData("
            + dataBeanClassName
            + " data){\n"
            + getDataBody.toString()
            + "}\n"
            + "\n"
            + "public boolean isModified("
            + dataBeanClassName
            + " data){\n"
            + isModifiedBody.toString()
            + "}\n";

    // put them to the bound class

    final Module module = ModuleUtil.findModuleForFile(data.myFormFile, data.myProject);
    LOG.assertTrue(module != null);
    final PsiClass boundClass =
        FormEditingUtil.findClassToBind(module, rootContainer[0].getClassToBind());
    LOG.assertTrue(boundClass != null);

    if (!CommonRefactoringUtil.checkReadOnlyStatus(module.getProject(), boundClass)) {
      return;
    }

    // todo: check that this method does not exist yet

    final PsiClass fakeClass;
    try {
      fakeClass =
          JavaPsiFacade.getInstance(data.myProject)
              .getElementFactory()
              .createClassFromText(textOfMethods, null);

      final PsiMethod methodSetData = fakeClass.getMethods()[0];
      final PsiMethod methodGetData = fakeClass.getMethods()[1];
      final PsiMethod methodIsModified = fakeClass.getMethods()[2];

      final PsiMethod existing1 = boundClass.findMethodBySignature(methodSetData, false);
      final PsiMethod existing2 = boundClass.findMethodBySignature(methodGetData, false);
      final PsiMethod existing3 = boundClass.findMethodBySignature(methodIsModified, false);

      // warning already shown
      if (existing1 != null) {
        existing1.delete();
      }
      if (existing2 != null) {
        existing2.delete();
      }
      if (existing3 != null) {
        existing3.delete();
      }

      final CodeStyleManager formatter = CodeStyleManager.getInstance(module.getProject());
      final JavaCodeStyleManager styler = JavaCodeStyleManager.getInstance(module.getProject());

      final PsiElement setData = boundClass.add(methodSetData);
      styler.shortenClassReferences(setData);
      formatter.reformat(setData);

      final PsiElement getData = boundClass.add(methodGetData);
      styler.shortenClassReferences(getData);
      formatter.reformat(getData);

      if (data.myGenerateIsModified) {
        final PsiElement isModified = boundClass.add(methodIsModified);
        styler.shortenClassReferences(isModified);
        formatter.reformat(isModified);
      }

      final OpenFileDescriptor descriptor =
          new OpenFileDescriptor(
              setData.getProject(),
              setData.getContainingFile().getVirtualFile(),
              setData.getTextOffset());
      FileEditorManager.getInstance(data.myProject).openTextEditor(descriptor, true);
    } catch (IncorrectOperationException e) {
      throw new MyException(e.getMessage());
    }
  }
  @Override
  public JComponent getPreviewComponent(@NotNull PsiElement element) {
    final PsiNewExpression psiNewExpression =
        PsiTreeUtil.getParentOfType(element, PsiNewExpression.class);

    if (psiNewExpression != null) {
      final PsiJavaCodeReferenceElement referenceElement =
          PsiTreeUtil.getChildOfType(psiNewExpression, PsiJavaCodeReferenceElement.class);

      if (referenceElement != null) {
        final PsiReference reference = referenceElement.getReference();

        if (reference != null) {
          final PsiElement psiElement = reference.resolve();

          if (psiElement instanceof PsiClass
              && "java.awt.Color".equals(((PsiClass) psiElement).getQualifiedName())) {
            final PsiExpressionList argumentList = psiNewExpression.getArgumentList();

            if (argumentList != null) {
              final PsiExpression[] expressions = argumentList.getExpressions();
              int[] values = ArrayUtil.newIntArray(expressions.length);
              float[] values2 = new float[expressions.length];
              int i = 0;
              int j = 0;

              final PsiConstantEvaluationHelper helper =
                  JavaPsiFacade.getInstance(element.getProject()).getConstantEvaluationHelper();
              for (final PsiExpression each : expressions) {
                final Object o = helper.computeConstantExpression(each);
                if (o instanceof Integer) {
                  values[i] = ((Integer) o).intValue();
                  if (expressions.length != 1) {
                    values[i] = values[i] > 255 ? 255 : values[i] < 0 ? 0 : values[i];
                  }

                  i++;
                } else if (o instanceof Float) {
                  values2[j] = ((Float) o).floatValue();
                  values2[j] = values2[j] > 1 ? 1 : values2[j] < 0 ? 0 : values2[j];
                  j++;
                }
              }

              Color c = null;
              if (i == expressions.length) {
                if (i == 1 && values[0] > 255) {
                  c = new Color(values[0]);
                } else {
                  switch (values.length) {
                    case 1:
                      c = new Color(values[0]);
                      break;
                    case 3:
                      c = new Color(values[0], values[1], values[2]);
                      break;
                    case 4:
                      c = new Color(values[0], values[1], values[2], values[3]);
                      break;
                    default:
                      break;
                  }
                }
              } else if (j == expressions.length) {
                switch (values2.length) {
                  case 3:
                    c = new Color(values2[0], values2[1], values2[2]);
                    break;
                  case 4:
                    c = new Color(values2[0], values2[1], values2[2], values2[3]);
                    break;
                  default:
                    break;
                }
              }

              if (c != null) {
                return new ColorPreviewComponent(c);
              }
            }
          }
        }
      }
    }

    if (ColorChooserIntentionAction.isInsideDecodeOrGetColorMethod(element)) {
      final String color = StringUtil.unquoteString(element.getText());
      try {
        return new ColorPreviewComponent(Color.decode(color));
      } catch (NumberFormatException ignore) {
      }
    }

    if (PlatformPatterns.psiElement(PsiIdentifier.class)
        .withParent(PlatformPatterns.psiElement(PsiReferenceExpression.class))
        .accepts(element)) {
      final PsiReference reference = element.getParent().getReference();

      if (reference != null) {
        final PsiElement psiElement = reference.resolve();

        if (psiElement instanceof PsiField) {
          if ("java.awt.Color"
              .equals(((PsiField) psiElement).getContainingClass().getQualifiedName())) {
            final String colorName =
                ((PsiField) psiElement).getName().toLowerCase().replace("_", "");
            final String hex = ColorSampleLookupValue.getHexCodeForColorName(colorName);
            return new ColorPreviewComponent(Color.decode("0x" + hex.substring(1)));
          }
        }
      }
    }

    if (PlatformPatterns.psiElement()
        .withParent(PlatformPatterns.psiElement(PsiLiteralExpression.class))
        .accepts(element)) {
      final PsiLiteralExpression psiLiteralExpression = (PsiLiteralExpression) element.getParent();
      if (psiLiteralExpression != null) {
        return ImagePreviewComponent.getPreviewComponent(psiLiteralExpression);
      }
    }

    return null;
  }