| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library services.src.refactoring.rename_import; |
| |
| import 'dart:async'; |
| |
| import 'package:analysis_services/correction/change.dart'; |
| import 'package:analysis_services/correction/status.dart'; |
| import 'package:analysis_services/refactoring/refactoring.dart'; |
| import 'package:analysis_services/search/search_engine.dart'; |
| import 'package:analysis_services/src/correction/source_range.dart'; |
| import 'package:analysis_services/src/refactoring/naming_conventions.dart'; |
| import 'package:analysis_services/src/refactoring/rename.dart'; |
| import 'package:analyzer/src/generated/element.dart'; |
| import 'package:analyzer/src/generated/source.dart'; |
| |
| |
| /** |
| * A [Refactoring] for renaming [ImportElement]s. |
| */ |
| class RenameImportRefactoringImpl extends RenameRefactoringImpl { |
| RenameImportRefactoringImpl(SearchEngine searchEngine, ImportElement element) |
| : super(searchEngine, element); |
| |
| @override |
| ImportElement get element => super.element as ImportElement; |
| |
| @override |
| String get refactoringName { |
| return "Rename Import Prefix"; |
| } |
| |
| @override |
| Future<RefactoringStatus> checkFinalConditions() { |
| RefactoringStatus result = new RefactoringStatus(); |
| return new Future.value(result); |
| } |
| |
| @override |
| RefactoringStatus checkNewName() { |
| RefactoringStatus result = super.checkNewName(); |
| result.addStatus(validateImportPrefixName(newName)); |
| return result; |
| } |
| |
| @override |
| Future<Change> createChange() { |
| Change change = new Change(refactoringName); |
| // update declaration |
| { |
| String file = getElementFile(element); |
| PrefixElement prefix = element.prefix; |
| Edit edit = null; |
| if (newName.isEmpty) { |
| int uriEnd = element.uriEnd; |
| int prefixEnd = element.prefixOffset + prefix.displayName.length; |
| SourceRange range = rangeStartEnd(uriEnd, prefixEnd); |
| edit = new Edit.range(range, ""); |
| } else { |
| if (prefix == null) { |
| SourceRange range = rangeStartLength(element.uriEnd, 0); |
| edit = new Edit.range(range, " as ${newName}"); |
| } else { |
| int offset = element.prefixOffset; |
| int length = prefix.displayName.length; |
| SourceRange range = rangeStartLength(offset, length); |
| edit = new Edit.range(range, newName); |
| } |
| } |
| if (edit != null) { |
| change.addEdit(file, edit); |
| } |
| } |
| // update references |
| return searchEngine.searchReferences(element).then((refMatches) { |
| List<SourceReference> references = getSourceReferences(refMatches); |
| for (SourceReference reference in references) { |
| Edit edit; |
| if (newName.isEmpty) { |
| edit = createReferenceEdit(reference, newName); |
| } else { |
| edit = createReferenceEdit(reference, "${newName}."); |
| } |
| change.addEdit(reference.file, edit); |
| } |
| return change; |
| }); |
| } |
| } |