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| 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 library services.src.refactoring.rename_constructor; | |
| 6 | |
| 7 import 'dart:async'; | |
| 8 | |
| 9 import 'package:analysis_services/correction/change.dart'; | |
| 10 import 'package:analysis_services/correction/status.dart'; | |
| 11 import 'package:analysis_services/refactoring/refactoring.dart'; | |
| 12 import 'package:analysis_services/search/hierarchy.dart'; | |
| 13 import 'package:analysis_services/search/search_engine.dart'; | |
| 14 import 'package:analysis_services/src/correction/util.dart'; | |
| 15 import 'package:analysis_services/src/refactoring/naming_conventions.dart'; | |
| 16 import 'package:analysis_services/src/refactoring/rename.dart'; | |
| 17 import 'package:analyzer/src/generated/element.dart'; | |
| 18 import 'package:analyzer/src/generated/java_core.dart'; | |
| 19 | |
| 20 | |
| 21 /** | |
| 22 * A [Refactoring] for renaming [ConstructorElement]s. | |
| 23 */ | |
| 24 class RenameConstructorRefactoringImpl extends RenameRefactoringImpl { | |
| 25 RenameConstructorRefactoringImpl(SearchEngine searchEngine, | |
| 26 ConstructorElement element) | |
| 27 : super(searchEngine, element); | |
| 28 | |
| 29 @override | |
| 30 ConstructorElement get element => super.element as ConstructorElement; | |
| 31 | |
| 32 @override | |
| 33 String get refactoringName { | |
| 34 return "Rename Constructor"; | |
| 35 } | |
| 36 | |
| 37 @override | |
| 38 Future<RefactoringStatus> checkFinalConditions() { | |
| 39 RefactoringStatus result = new RefactoringStatus(); | |
| 40 _analyzePossibleConflicts(result); | |
| 41 return new Future.value(result); | |
| 42 } | |
| 43 | |
| 44 @override | |
| 45 RefactoringStatus checkNewName() { | |
| 46 RefactoringStatus result = super.checkNewName(); | |
| 47 result.addStatus(validateConstructorName(newName)); | |
| 48 return result; | |
| 49 } | |
| 50 | |
| 51 @override | |
| 52 Future<Change> createChange() { | |
| 53 Change change = new Change(refactoringName); | |
| 54 String replacement = newName.isEmpty ? '' : '.${newName}'; | |
| 55 // update references | |
| 56 return searchEngine.searchReferences(element).then((refMatches) { | |
| 57 List<SourceReference> references = getSourceReferences(refMatches); | |
| 58 if (!element.isSynthetic) { | |
| 59 for (SourceReference reference in references) { | |
| 60 Edit edit = createReferenceEdit(reference, replacement); | |
| 61 change.addEdit(reference.file, edit); | |
| 62 } | |
| 63 } | |
| 64 return change; | |
| 65 }); | |
| 66 } | |
| 67 | |
| 68 void _analyzePossibleConflicts(RefactoringStatus result) { | |
| 69 // check if there are members with "newName" in the same ClassElement | |
| 70 ClassElement parentClass = element.enclosingElement; | |
| 71 for (Element newNameMember in getChildren(parentClass, newName)) { | |
| 72 String message = | |
| 73 format( | |
| 74 "Class '{0}' already declares {1} with name '{2}'.", | |
| 75 parentClass.displayName, | |
| 76 getElementKindName(newNameMember), | |
| 77 newName); | |
| 78 result.addError( | |
| 79 message, | |
| 80 new RefactoringStatusContext.forElement(newNameMember)); | |
| 81 } | |
| 82 } | |
| 83 } | |
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