@Override
  protected void collectAdditionalElementsToRename(List<Pair<PsiElement, TextRange>> stringUsages) {
    if (isReplaceAllOccurrences()) {
      for (E expression : getOccurrences()) {
        LOG.assertTrue(expression.isValid(), expression.getText());
        stringUsages.add(
            Pair.<PsiElement, TextRange>create(
                expression, new TextRange(0, expression.getTextLength())));
      }
    } else if (getExpr() != null) {
      correctExpression();
      final E expr = getExpr();
      LOG.assertTrue(expr.isValid(), expr.getText());
      stringUsages.add(
          Pair.<PsiElement, TextRange>create(expr, new TextRange(0, expr.getTextLength())));
    }

    final V localVariable = getLocalVariable();
    if (localVariable != null) {
      final PsiElement nameIdentifier = localVariable.getNameIdentifier();
      if (nameIdentifier != null) {
        int length = nameIdentifier.getTextLength();
        stringUsages.add(
            Pair.<PsiElement, TextRange>create(nameIdentifier, new TextRange(0, length)));
      }
    }
  }
  @Nullable
  private String verifyInnerClassDestination() {
    PsiClass targetClass = findTargetClass();
    if (targetClass == null) return null;

    for (PsiElement element : myElementsToMove) {
      if (PsiTreeUtil.isAncestor(element, targetClass, false)) {
        return RefactoringBundle.message("move.class.to.inner.move.to.self.error");
      }
      final Language targetClassLanguage = targetClass.getLanguage();
      if (!element.getLanguage().equals(targetClassLanguage)) {
        return RefactoringBundle.message(
            "move.to.different.language",
            UsageViewUtil.getType(element),
            ((PsiClass) element).getQualifiedName(),
            targetClass.getQualifiedName());
      }
      if (element.getLanguage().equals(Language.findLanguageByID("Groovy"))) {
        return RefactoringBundle.message("dont.support.inner.classes", "Groovy");
      }
    }

    while (targetClass != null) {
      if (targetClass.getContainingClass() != null
          && !targetClass.hasModifierProperty(PsiModifier.STATIC)) {
        return RefactoringBundle.message("move.class.to.inner.nonstatic.error");
      }
      targetClass = targetClass.getContainingClass();
    }

    return null;
  }
    @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)));
    }
  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;
      }
    }
  }
 public PsiDirectory[] getSelectedDirectories() {
   final PsiElement[] elements = getSelectedPSIElements();
   if (elements.length == 1) {
     final PsiElement element = elements[0];
     if (element instanceof PsiDirectory) {
       return new PsiDirectory[] {(PsiDirectory) element};
     } else if (element instanceof PsiDirectoryContainer) {
       return ((PsiDirectoryContainer) element).getDirectories();
     } else {
       final PsiFile containingFile = element.getContainingFile();
       if (containingFile != null) {
         final PsiDirectory psiDirectory = containingFile.getContainingDirectory();
         if (psiDirectory != null) {
           return new PsiDirectory[] {psiDirectory};
         }
         final VirtualFile file = containingFile.getVirtualFile();
         if (file instanceof VirtualFileWindow) {
           final VirtualFile delegate = ((VirtualFileWindow) file).getDelegate();
           final PsiFile delegatePsiFile = containingFile.getManager().findFile(delegate);
           if (delegatePsiFile != null && delegatePsiFile.getContainingDirectory() != null) {
             return new PsiDirectory[] {delegatePsiFile.getContainingDirectory()};
           }
         }
         return PsiDirectory.EMPTY_ARRAY;
       }
     }
   } else {
     final DefaultMutableTreeNode selectedNode = getSelectedNode();
     if (selectedNode != null) {
       return getSelectedDirectoriesInAmbiguousCase(selectedNode);
     }
   }
   return PsiDirectory.EMPTY_ARRAY;
 }
  protected void restoreState(@NotNull final V psiField) {
    if (!ReadonlyStatusHandler.ensureDocumentWritable(
        myProject, InjectedLanguageUtil.getTopLevelEditor(myEditor).getDocument())) return;
    ApplicationManager.getApplication()
        .runWriteAction(
            () -> {
              final PsiFile containingFile = psiField.getContainingFile();
              final RangeMarker exprMarker = getExprMarker();
              if (exprMarker != null) {
                myExpr = restoreExpression(containingFile, psiField, exprMarker, myExprText);
              }

              if (myLocalMarker != null) {
                final PsiElement refVariableElement =
                    containingFile.findElementAt(myLocalMarker.getStartOffset());
                if (refVariableElement != null) {
                  final PsiElement parent = refVariableElement.getParent();
                  if (parent instanceof PsiNamedElement) {
                    ((PsiNamedElement) parent).setName(myLocalName);
                  }
                }

                final V localVariable = getLocalVariable();
                if (localVariable != null && localVariable.isPhysical()) {
                  myLocalVariable = localVariable;
                  final PsiElement nameIdentifier = localVariable.getNameIdentifier();
                  if (nameIdentifier != null) {
                    myLocalMarker = createMarker(nameIdentifier);
                  }
                }
              }
              final List<RangeMarker> occurrenceMarkers = getOccurrenceMarkers();
              for (int i = 0, occurrenceMarkersSize = occurrenceMarkers.size();
                  i < occurrenceMarkersSize;
                  i++) {
                RangeMarker marker = occurrenceMarkers.get(i);
                if (getExprMarker() != null
                    && marker.getStartOffset() == getExprMarker().getStartOffset()
                    && myExpr != null) {
                  myOccurrences[i] = myExpr;
                  continue;
                }
                final E psiExpression =
                    restoreExpression(
                        containingFile,
                        psiField,
                        marker,
                        getLocalVariable() != null ? myLocalName : myExprText);
                if (psiExpression != null) {
                  myOccurrences[i] = psiExpression;
                }
              }

              if (myExpr != null && myExpr.isPhysical()) {
                myExprMarker = createMarker(myExpr);
              }
              myOccurrenceMarkers = null;
              deleteTemplateField(psiField);
            });
  }
Exemple #7
0
 public Info(@NotNull PsiElement elementAtPointer) {
   this(
       elementAtPointer,
       Collections.singletonList(
           new TextRange(
               elementAtPointer.getTextOffset(),
               elementAtPointer.getTextOffset() + elementAtPointer.getTextLength())));
 }
  final boolean isValidBase() {
    if (PsiDocumentManager.getInstance(myProject).getUncommittedDocuments().length > 0) {
      return myCachedIsValidBase;
    }

    final PsiElement element = mySmartPsiElementPointer.getElement();
    myCachedIsValidBase = element != null && isApplicableElement(element) && element.isValid();
    return myCachedIsValidBase;
  }
 @Nullable
 protected PsiElement getPSIElement(@Nullable final Object element) {
   if (element instanceof PsiElement) {
     PsiElement psiElement = (PsiElement) element;
     if (psiElement.isValid()) {
       return psiElement;
     }
   }
   return null;
 }
  private void getInjectedPsiFiles(
      @NotNull final List<PsiElement> elements1,
      @NotNull final List<PsiElement> elements2,
      @NotNull final ProgressIndicator progress,
      @NotNull final Set<PsiFile> outInjected) {
    List<DocumentWindow> injected = InjectedLanguageUtil.getCachedInjectedDocuments(myFile);
    Collection<PsiElement> hosts =
        new THashSet<PsiElement>(elements1.size() + elements2.size() + injected.size());

    // rehighlight all injected PSI regardless the range,
    // since change in one place can lead to invalidation of injected PSI in (completely) other
    // place.
    for (DocumentWindow documentRange : injected) {
      progress.checkCanceled();
      if (!documentRange.isValid()) continue;
      PsiFile file = PsiDocumentManager.getInstance(myProject).getPsiFile(documentRange);
      if (file == null) continue;
      PsiElement context =
          InjectedLanguageManager.getInstance(file.getProject()).getInjectionHost(file);
      if (context != null
          && context.isValid()
          && !file.getProject().isDisposed()
          && (myUpdateAll
              || new ProperTextRange(myStartOffset, myEndOffset)
                  .intersects(context.getTextRange()))) {
        hosts.add(context);
      }
    }
    hosts.addAll(elements1);
    hosts.addAll(elements2);

    final PsiLanguageInjectionHost.InjectedPsiVisitor visitor =
        new PsiLanguageInjectionHost.InjectedPsiVisitor() {
          @Override
          public void visit(
              @NotNull PsiFile injectedPsi, @NotNull List<PsiLanguageInjectionHost.Shred> places) {
            synchronized (outInjected) {
              outInjected.add(injectedPsi);
            }
          }
        };
    if (!JobUtil.invokeConcurrentlyUnderProgress(
        new ArrayList<PsiElement>(hosts),
        progress,
        false,
        new Processor<PsiElement>() {
          @Override
          public boolean process(PsiElement element) {
            progress.checkCanceled();
            InjectedLanguageUtil.enumerate(element, myFile, false, visitor);
            return true;
          }
        })) throw new ProcessCanceledException();
  }
  public MoveClassesOrPackagesDialog(
      Project project,
      boolean searchTextOccurences,
      PsiElement[] elementsToMove,
      final PsiElement initialTargetElement,
      MoveCallback moveCallback) {
    super(project, true);
    myElementsToMove = elementsToMove;
    myMoveCallback = moveCallback;
    myManager = PsiManager.getInstance(myProject);
    setTitle(MoveHandler.REFACTORING_NAME);
    mySearchTextOccurencesEnabled = searchTextOccurences;

    selectInitialCard();

    init();

    if (initialTargetElement instanceof PsiClass) {
      myMakeInnerClassOfRadioButton.setSelected(true);

      myInnerClassChooser.setText(((PsiClass) initialTargetElement).getQualifiedName());

      ApplicationManager.getApplication()
          .invokeLater(
              () -> myInnerClassChooser.requestFocus(),
              ModalityState.stateForComponent(myMainPanel));
    } else if (initialTargetElement instanceof PsiPackage) {
      myClassPackageChooser.setText(((PsiPackage) initialTargetElement).getQualifiedName());
    }

    updateControlsEnabled();
    myToPackageRadioButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            updateControlsEnabled();
            myClassPackageChooser.requestFocus();
          }
        });
    myMakeInnerClassOfRadioButton.addActionListener(
        new ActionListener() {
          public void actionPerformed(ActionEvent e) {
            updateControlsEnabled();
            myInnerClassChooser.requestFocus();
          }
        });

    for (PsiElement element : elementsToMove) {
      if (element.getContainingFile() != null) {
        myOpenInEditorPanel.add(initOpenInEditorCb(), BorderLayout.EAST);
        break;
      }
    }
  }
 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();
   }
 }
 @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 doGenerate(
        final Editor editor,
        final PsiFile file,
        final PsiClass targetClass,
        final TestFramework framework) {
      if (framework instanceof JavaTestFramework
          && ((JavaTestFramework) framework).isSingleConfig()) {
        PsiElement alreadyExist = null;
        switch (myMethodKind) {
          case SET_UP:
            alreadyExist = framework.findSetUpMethod(targetClass);
            break;
          case TEAR_DOWN:
            alreadyExist = framework.findTearDownMethod(targetClass);
            break;
          default:
            break;
        }

        if (alreadyExist instanceof PsiMethod) {
          editor.getCaretModel().moveToOffset(alreadyExist.getNavigationElement().getTextOffset());
          HintManager.getInstance()
              .showErrorHint(
                  editor, "Method " + ((PsiMethod) alreadyExist).getName() + " already exists");
          return;
        }
      }

      if (!CommonRefactoringUtil.checkReadOnlyStatus(file)) return;

      WriteCommandAction.runWriteCommandAction(
          file.getProject(),
          new Runnable() {
            @Override
            public void run() {
              try {
                PsiDocumentManager.getInstance(file.getProject()).commitAllDocuments();
                PsiMethod method = generateDummyMethod(editor, file);
                if (method == null) return;

                TestIntegrationUtils.runTestMethodTemplate(
                    myMethodKind, framework, editor, targetClass, method, "name", false, null);
              } catch (IncorrectOperationException e) {
                HintManager.getInstance()
                    .showErrorHint(editor, "Cannot generate method: " + e.getMessage());
                LOG.warn(e);
              }
            }
          });
    }
 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));
   }
 }
    public boolean isValid(Document document) {
      if (!myTargetElement.isValid()) return false;
      if (myTargetElement == myElementAtPointer
          || myTargetElement == myElementAtPointer.getParent()) return false;

      return rangesAreCorrect(document);
    }
    public void deleteElement(DataContext dataContext) {
      List<PsiElement> allElements = Arrays.asList(getElementsToDelete());
      List<PsiElement> validElements = new ArrayList<PsiElement>();
      for (PsiElement psiElement : allElements) {
        if (psiElement != null && psiElement.isValid()) validElements.add(psiElement);
      }
      final PsiElement[] elements = validElements.toArray(new PsiElement[validElements.size()]);

      LocalHistoryAction a =
          LocalHistory.getInstance().startAction(IdeBundle.message("progress.deleting"));
      try {
        DeleteHandler.deletePsiElement(elements, myProject);
      } finally {
        a.finish();
      }
    }
  protected void updateTitle(@Nullable V variable, String value) {
    if (variable == null) return;

    final String variableText = variable.getText();
    final PsiElement identifier = variable.getNameIdentifier();
    if (identifier != null) {
      final int startOffsetInParent = identifier.getStartOffsetInParent();
      setPreviewText(
          variableText.substring(0, startOffsetInParent)
              + value
              + variableText.substring(startOffsetInParent + identifier.getTextLength()));
    } else {
      setPreviewText(variableText.replaceFirst(variable.getName(), value));
    }
    revalidate();
  }
  private void invokeMoveToPackage() {
    final MoveDestination destination = selectDestination();
    if (destination == null) return;

    saveRefactoringSettings();
    for (final PsiElement element : myElementsToMove) {
      String message = verifyDestinationForElement(element, destination);
      if (message != null) {
        String helpId = HelpID.getMoveHelpID(myElementsToMove[0]);
        CommonRefactoringUtil.showErrorMessage(
            RefactoringBundle.message("error.title"), message, helpId, getProject());
        return;
      }
    }
    try {
      for (PsiElement element : myElementsToMove) {
        if (element instanceof PsiClass) {
          final PsiClass aClass = (PsiClass) element;
          LOG.assertTrue(aClass.isPhysical(), aClass);
          /*PsiElement toAdd;
          if (aClass.getContainingFile() instanceof PsiJavaFile && ((PsiJavaFile)aClass.getContainingFile()).getClasses().length > 1) {
            toAdd = aClass;
          }
          else {
            toAdd = aClass.getContainingFile();
          }*/

          final PsiDirectory targetDirectory =
              destination.getTargetIfExists(element.getContainingFile());
          if (targetDirectory != null) {
            MoveFilesOrDirectoriesUtil.checkMove(aClass, targetDirectory);
          }
        }
      }

      MoveClassesOrPackagesProcessor processor =
          createMoveToPackageProcessor(destination, myElementsToMove, myMoveCallback);
      if (processor.verifyValidPackageName()) {
        processor.setOpenInEditor(isOpenInEditor());
        invokeRefactoring(processor);
      }
    } catch (IncorrectOperationException e) {
      String helpId = HelpID.getMoveHelpID(myElementsToMove[0]);
      CommonRefactoringUtil.showErrorMessage(
          RefactoringBundle.message("error.title"), e.getMessage(), helpId, getProject());
    }
  }
Exemple #20
0
 public static PsiExpression[] findVariableOccurrences(
     final PsiElement[] scopeElements, final PsiVariable variable) {
   final ArrayList<PsiExpression> result = new ArrayList<PsiExpression>();
   for (final PsiElement element : scopeElements) {
     element.accept(
         new JavaRecursiveElementWalkingVisitor() {
           @Override
           public void visitReferenceExpression(final PsiReferenceExpression expression) {
             super.visitReferenceExpression(expression);
             if (!expression.isQualified() && expression.isReferenceTo(variable)) {
               result.add(expression);
             }
           }
         });
   }
   return result.toArray(new PsiExpression[result.size()]);
 }
  @Nullable
  private ExpressionEvaluator getExpressionEvaluator(DebuggerContextImpl debuggerContext)
      throws EvaluateException {
    if (myCurrentExpression instanceof PsiExpression) {
      return EvaluatorBuilderImpl.getInstance()
          .build(myCurrentExpression, debuggerContext.getSourcePosition());
    }

    CodeFragmentFactory factory =
        DebuggerUtilsEx.getEffectiveCodeFragmentFactory(myCurrentExpression);
    TextWithImportsImpl textWithImports =
        new TextWithImportsImpl(CodeFragmentKind.EXPRESSION, myCurrentExpression.getText());
    if (factory == null) return null;
    JavaCodeFragment codeFragment =
        factory.createCodeFragment(textWithImports, myCurrentExpression.getContext(), getProject());
    codeFragment.forceResolveScope(GlobalSearchScope.allScope(getProject()));
    return factory.getEvaluatorBuilder().build(codeFragment, debuggerContext.getSourcePosition());
  }
 @Nullable
 public String getInfo() {
   try {
     return generateInfo(myTargetElement, myElementAtPointer);
   } catch (IndexNotReadyException e) {
     showDumbModeNotification(myTargetElement.getProject());
     return null;
   }
 }
 @Nullable
 private static Pair<PsiElement, TextRange> findExpression(
     PsiElement element, boolean allowMethodCalls) {
   final EditorTextProvider textProvider =
       EditorTextProvider.EP.forLanguage(element.getLanguage());
   if (textProvider != null) {
     return textProvider.findExpression(element, allowMethodCalls);
   }
   return null;
 }
 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();
  }
    @Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;

      ColorIconRenderer renderer = (ColorIconRenderer) o;

      if (myElement != null ? !myElement.equals(renderer.myElement) : renderer.myElement != null)
        return false;

      return true;
    }
 /**
  * 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;
 }
  private static void update(
      @NotNull PsiElement[] elements,
      @NotNull PairFunction<PsiElement[], List<FileDescriptor>, Boolean> fun) {
    List<PsiElement> candidates = new ArrayList<PsiElement>(elements.length);
    List<FileDescriptor> files = new ArrayList<FileDescriptor>(elements.length);
    final Set<String> names = new HashSet<String>();
    for (PsiElement element : elements) {
      if (element instanceof PsiNamedElement) {
        names.add(((PsiNamedElement) element).getName());
      }
    }
    for (PsiElement element : elements) {
      PsiFile file = getContainingFile(element);
      if (file == null) continue;
      final PsiElement parent = element.getParent();
      files.add(new FileDescriptor(file, names.size() > 1 || parent == file ? element : parent));
      candidates.add(element);
    }

    fun.fun(PsiUtilCore.toPsiElementArray(candidates), files);
  }
 @Nullable
 private static String verifyDestinationForElement(
     final PsiElement element, final MoveDestination moveDestination) {
   final String message;
   if (element instanceof PsiDirectory) {
     message = moveDestination.verify((PsiDirectory) element);
   } else if (element instanceof PsiPackage) {
     message = moveDestination.verify((PsiPackage) element);
   } else {
     message = moveDestination.verify(element.getContainingFile());
   }
   return message;
 }
Exemple #30
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();
   }
 }