Integrate the EXTRACT_METHOD refactoring into Editor.

editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ServerExtractMethodRefactoring.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ServerExtractMethodRefactoring.java
diff --git a/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ServerExtractMethodRefactoring.java b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ServerExtractMethodRefactoring.java
new file mode 100644
index 0000000000000000000000000000000000000000..1fdb2482f759389bbbf6cda3f035b46089094b6e
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+++ b/editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/internal/refactoring/ServerExtractMethodRefactoring.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2014, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
+ * in compliance with the License. You may obtain a copy of the License at
+ * 
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Unless required by applicable law or agreed to in writing, software distributed under the License
+ * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+ * or implied. See the License for the specific language governing permissions and limitations under
+ * the License.
+ */
+
+package com.google.dart.tools.ui.internal.refactoring;
+
+import com.google.common.collect.ImmutableList;
+import com.google.dart.server.generated.types.ExtractMethodFeedback;
+import com.google.dart.server.generated.types.ExtractMethodOptions;
+import com.google.dart.server.generated.types.RefactoringFeedback;
+import com.google.dart.server.generated.types.RefactoringKind;
+import com.google.dart.server.generated.types.RefactoringMethodParameter;
+import com.google.dart.server.generated.types.RefactoringOptions;
+
+import org.eclipse.ltk.core.refactoring.RefactoringStatus;
+
+import java.util.List;
+
+/**
+ * LTK wrapper around Analysis Server 'Extract Method' refactoring.
+ * 
+ * @coverage dart.editor.ui.refactoring.ui
+ */
+public class ServerExtractMethodRefactoring extends ServerRefactoring {
+  private final ExtractMethodOptions options = new ExtractMethodOptions(
+      "returnType",
+      false,
+      "name",
+      ImmutableList.<RefactoringMethodParameter> of(),
+      false);
+  private ExtractMethodFeedback feedback;
+
+  public ServerExtractMethodRefactoring(String file, int offset, int length) {
+    super(RefactoringKind.EXTRACT_METHOD, "Extract Method", file, offset, length);
+  }
+
+  public boolean canExtractGetter() {
+    return feedback.canCreateGetter();
+  }
+
+  public String[] getNames() {
+    return toStringArray(feedback.getNames());
+  }
+
+  public int getOccurrences() {
+    return feedback.getOffsets().length;
+  }
+
+  public List<RefactoringMethodParameter> getParameters() {
+    return options.getParameters();
+  }
+
+  public String getSignature() {
+    // TODO(scheglov) consider moving to server
+    StringBuilder sb = new StringBuilder();
+    sb.append(options.getReturnType());
+    sb.append(" ");
+    boolean createGetter = options.createGetter();
+    if (createGetter) {
+      sb.append("get ");
+    }
+    sb.append(options.getName());
+    if (!createGetter) {
+      sb.append("(");
+      boolean firstParameter = true;
+      for (RefactoringMethodParameter parameter : options.getParameters()) {
+        if (!firstParameter) {
+          sb.append(", ");
+        }
+        firstParameter = false;
+        sb.append(parameter.getType());
+        sb.append(" ");
+        sb.append(parameter.getName());
+      }
+      sb.append(")");
+    }
+    return sb.toString();
+  }
+
+  public void setCreateGetter(boolean value) {
+    options.setCreateGetter(value);
+  }
+
+  public void setExtractAll(boolean extractAll) {
+    options.setExtractAll(extractAll);
+  }
+
+  public RefactoringStatus setName(String name) {
+    options.setName(name);
+    return setOptions(true);
+  }
+
+  @Override
+  protected RefactoringOptions getOptions() {
+    return options;
+  }
+
+  @Override
+  protected void setFeedback(RefactoringFeedback _feedback) {
+    boolean firstFeedback = feedback == null;
+    feedback = (ExtractMethodFeedback) _feedback;
+    if (firstFeedback) {
+      options.setExtractAll(true);
+      options.setReturnType(feedback.getReturnType());
+      options.setCreateGetter(feedback.canCreateGetter());
+      options.setParameters(feedback.getParameters());
+    }
+  }
+}