/** * @param input the editor input * @param offset the offset in the file * @return the element at the given offset */ protected IJavaElement getElementAt(IEditorInput input, int offset) { if (input instanceof IClassFileEditorInput) { try { return ((IClassFileEditorInput) input).getClassFile().getElementAt(offset); } catch (JavaModelException ex) { return null; } } IWorkingCopyManager manager = JavaPlugin.getDefault().getWorkingCopyManager(); ICompilationUnit unit = manager.getWorkingCopy(input); if (unit != null) try { if (unit.isConsistent()) return unit.getElementAt(offset); else { /* * XXX: We should set the selection later when the * CU is reconciled. * see https://bugs.eclipse.org/bugs/show_bug.cgi?id=51290 */ } } catch (JavaModelException ex) { // fall through } return null; }
public static IJavaElement getInput(ITextEditor editor) { if (editor == null) { return null; } IEditorInput input = editor.getEditorInput(); IWorkingCopyManager manager = JavaUI.getWorkingCopyManager(); return manager.getWorkingCopy(input); }
protected boolean isEnabled(ISelection selection) { if (selection.isEmpty()) { JavaEditor editor = getEditor(); if (editor != null) { // we check whether editor shows CompilationUnit IEditorInput editorInput = editor.getEditorInput(); IWorkingCopyManager manager = JavaPlugin.getDefault().getWorkingCopyManager(); return manager.getWorkingCopy(editorInput) != null; } return false; } if (selection instanceof IStructuredSelection) { Object o = ((IStructuredSelection) selection).getFirstElement(); if (o instanceof ICompilationUnit) return true; } return super.isEnabled(selection); }
public void run(ISelection selection) { String errorTitle = CompareMessages.AddFromHistory_title; String errorMessage = CompareMessages.AddFromHistory_internalErrorMessage; Shell shell = getShell(); ICompilationUnit cu = null; IParent parent = null; IMember input = null; // analyze selection if (selection.isEmpty()) { // no selection: we try to use the editor's input JavaEditor editor = getEditor(); if (editor != null) { IEditorInput editorInput = editor.getEditorInput(); IWorkingCopyManager manager = JavaPlugin.getDefault().getWorkingCopyManager(); if (manager != null) { cu = manager.getWorkingCopy(editorInput); parent = cu; } } } else { input = getEditionElement(selection); if (input != null) { cu = input.getCompilationUnit(); parent = input; input = null; } else { if (selection instanceof IStructuredSelection) { Object o = ((IStructuredSelection) selection).getFirstElement(); if (o instanceof ICompilationUnit) { cu = (ICompilationUnit) o; parent = cu; } } } } if (parent == null || cu == null) { String invalidSelectionMessage = CompareMessages.AddFromHistory_invalidSelectionMessage; MessageDialog.openInformation(shell, errorTitle, invalidSelectionMessage); return; } IFile file = getFile(parent); if (file == null) { MessageDialog.openError(shell, errorTitle, errorMessage); return; } boolean inEditor = beingEdited(file); IStatus status = Resources.makeCommittable(file, shell); if (!status.isOK()) { return; } // get the document where to insert the text IPath path = file.getFullPath(); ITextFileBufferManager bufferManager = FileBuffers.getTextFileBufferManager(); ITextFileBuffer textFileBuffer = null; try { bufferManager.connect(path, LocationKind.IFILE, null); textFileBuffer = bufferManager.getTextFileBuffer(path, LocationKind.IFILE); IDocument document = textFileBuffer.getDocument(); // configure EditionSelectionDialog and let user select an edition ITypedElement target = new JavaTextBufferNode(file, document, inEditor); ITypedElement[] editions = buildEditions(target, file); ResourceBundle bundle = ResourceBundle.getBundle(BUNDLE_NAME); EditionSelectionDialog d = new EditionSelectionDialog(shell, bundle); d.setAddMode(true); d.setHelpContextId(IJavaHelpContextIds.ADD_ELEMENT_FROM_HISTORY_DIALOG); ITypedElement selected = d.selectEdition(target, editions, parent); if (selected == null) return; // user cancel ICompilationUnit cu2 = cu; if (parent instanceof IMember) cu2 = ((IMember) parent).getCompilationUnit(); CompilationUnit root = parsePartialCompilationUnit(cu2); ASTRewrite rewriter = ASTRewrite.create(root.getAST()); ITypedElement[] results = d.getSelection(); for (int i = 0; i < results.length; i++) { // create an AST node ASTNode newNode = createASTNode( rewriter, results[i], TextUtilities.getDefaultLineDelimiter(document), cu.getJavaProject()); if (newNode == null) { MessageDialog.openError(shell, errorTitle, errorMessage); return; } // now determine where to put the new node if (newNode instanceof PackageDeclaration) { rewriter.set(root, CompilationUnit.PACKAGE_PROPERTY, newNode, null); } else if (newNode instanceof ImportDeclaration) { ListRewrite lw = rewriter.getListRewrite(root, CompilationUnit.IMPORTS_PROPERTY); lw.insertFirst(newNode, null); } else { // class, interface, enum, annotation, method, field if (parent instanceof ICompilationUnit) { // top level ListRewrite lw = rewriter.getListRewrite(root, CompilationUnit.TYPES_PROPERTY); int index = ASTNodes.getInsertionIndex((BodyDeclaration) newNode, root.types()); lw.insertAt(newNode, index, null); } else if (parent instanceof IType) { ASTNode declaration = getBodyContainer(root, (IType) parent); if (declaration instanceof TypeDeclaration || declaration instanceof AnnotationTypeDeclaration) { List container = ASTNodes.getBodyDeclarations(declaration); int index = ASTNodes.getInsertionIndex((BodyDeclaration) newNode, container); ListRewrite lw = rewriter.getListRewrite( declaration, ASTNodes.getBodyDeclarationsProperty(declaration)); lw.insertAt(newNode, index, null); } else if (declaration instanceof EnumDeclaration) { List container = ((EnumDeclaration) declaration).enumConstants(); int index = ASTNodes.getInsertionIndex((FieldDeclaration) newNode, container); ListRewrite lw = rewriter.getListRewrite(declaration, EnumDeclaration.ENUM_CONSTANTS_PROPERTY); lw.insertAt(newNode, index, null); } } else { JavaPlugin.logErrorMessage( "JavaAddElementFromHistoryImpl: unknown container " + parent); // $NON-NLS-1$ } } } Map options = null; IJavaProject javaProject = cu2.getJavaProject(); if (javaProject != null) options = javaProject.getOptions(true); applyChanges(rewriter, document, textFileBuffer, shell, inEditor, options); } catch (InvocationTargetException ex) { ExceptionHandler.handle(ex, shell, errorTitle, errorMessage); } catch (InterruptedException ex) { // shouldn't be called because is not cancelable Assert.isTrue(false); } catch (CoreException ex) { ExceptionHandler.handle(ex, shell, errorTitle, errorMessage); } finally { try { if (textFileBuffer != null) bufferManager.disconnect(path, LocationKind.IFILE, null); } catch (CoreException e) { JavaPlugin.log(e); } } }
public ICompilationUnit getCurrentCompilationUnit() throws IOException { IEditorInput ei = getEditorInput(); IWorkingCopyManager wcm = JavaUI.getWorkingCopyManager(); return wcm.getWorkingCopy(ei); }
private static ICompilationUnit getCompilationUnit(JavaEditor editor) { IWorkingCopyManager manager = JavaPlugin.getDefault().getWorkingCopyManager(); ICompilationUnit cu = manager.getWorkingCopy(editor.getEditorInput()); return cu; }