Integrate EXTRACT_LOCAL_VARIABLE into the server.

pkg/analysis_server/lib/src/edit/edit_domain.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.
 
 library edit.domain;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/constants.dart';
@@ skipping 221 matching lines @@
         this.offset == offset &&
         this.length == length) {
       return new Future.value(initStatus);
     }
     _reset();
     this.kind = kind;
     this.file = file;
     this.offset = offset;
     this.length = length;
     // create a new Refactoring instance
+    if (kind == RefactoringKind.EXTRACT_LOCAL_VARIABLE) {
+      List<CompilationUnit> units = server.getResolvedCompilationUnits(file);
+      if (units.isNotEmpty) {
+        refactoring = new ExtractLocalRefactoring(units[0], offset, length);
+        feedback = new ExtractLocalVariableFeedback([], [], []);
+      }
+    }
     if (kind == RefactoringKind.RENAME) {
       List<AstNode> nodes = server.getNodesAtOffset(file, offset);
       List<Element> elements = server.getElementsAtOffset(file, offset);
       if (nodes.isNotEmpty && elements.isNotEmpty) {
         AstNode node = nodes[0];
         Element element = elements[0];
         refactoring = new RenameRefactoring(searchEngine, element);
         feedback = new RenameFeedback(node.offset, node.length);
       }
     }
     if (refactoring == null) {
       initStatus =
           new RefactoringStatus.fatal('Unable to create a refactoring');
       return new Future.value(initStatus);
     }
     // check initial conditions
     return refactoring.checkInitialConditions().then((status) {
       initStatus = status;
+      if (refactoring is ExtractLocalRefactoring) {
+        ExtractLocalRefactoring refactoring = this.refactoring;
+        ExtractLocalVariableFeedback feedback = this.feedback;
+        feedback.names = refactoring.names;
+        feedback.offsets = refactoring.offsets;
+        feedback.lengths = refactoring.lengths;
+      }
       return initStatus;
     });
   }
 
   void _reset() {
     refactoring = null;
     feedback = null;
     initStatus = new RefactoringStatus();
     optionsStatus = new RefactoringStatus();
     finalStatus = new RefactoringStatus();
@@ skipping 10 matching lines @@
       result.problems = status.problems;
     }
     // send the response
     server.sendResponse(result.toResponse(requestId));
     // done with this request
     requestId = null;
     result = null;
   }
 
   RefactoringStatus _setOptions(Object options) {
+    if (refactoring is ExtractLocalRefactoring) {
+      ExtractLocalRefactoring extractRefactoring = refactoring;
+      ExtractLocalVariableOptions extractOptions = options;
+      extractRefactoring.name = extractOptions.name;
+      extractRefactoring.extractAll = extractOptions.extractAll;
+      return extractRefactoring.checkName();
+    }
     if (refactoring is RenameRefactoring) {
       RenameRefactoring renameRefactoring = refactoring;
       RenameOptions renameOptions = options;
-      String newName = renameOptions.newName;
-      renameRefactoring.newName = newName;
+      renameRefactoring.newName = renameOptions.newName;
       return renameRefactoring.checkNewName();
     }
     return new RefactoringStatus();
   }
 }