Initial work on refactorings.

pkg/analysis_services/lib/src/refactoring/rename_local.dart

+// 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.
+
+// This code was auto-generated, is not intended to be edited, and is subject to
+// significant change. Please see the README file for more information.
+
+library services.src.refactoring.rename_local;
+
+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/refactoring/rename.dart';
+import 'package:analyzer/src/generated/element.dart';
+
+
+/**
+ * A [Refactoring] for renaming [LocalElement]s.
+ */
+class RenameLocalRefactoringImpl extends RenameRefactoringImpl {
+  RenameLocalRefactoringImpl(SearchEngine searchEngine, LocalElement element) :
+      super(
+      searchEngine,
+      element);
+
+  @override
+  LocalElement get element => super.element as LocalElement;
+
+  @override
+  String get refactoringName {
+    if (element is ParameterElement) {
+      return "Rename Parameter";
+    }
+    if (element is FunctionElement) {
+      return "Rename Local Function";
+    }
+    return "Rename Local Variable";
+  }
+
+  @override
+  RefactoringStatus checkFinalConditions() {
+    // TODO: implement checkFinalConditions
+  }
+
+  // TODO: implement refactoringName
+  @override
+  Change createChange() {
+    // TODO: implement createChange
+  }
+
+  @override
+  bool requiresPreview() {
+    // TODO: implement requiresPreview
+  }
+}