IDEA-86203 inplace rename for groovy methods (except accessors), classes & labeled statements

plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/api/statements/GrLabeledStatement.java

@@ -17,6 +17,7 @@
 package org.jetbrains.plugins.groovy.lang.psi.api.statements;
 
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiNameIdentifierOwner;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.plugins.groovy.lang.psi.GrNamedElement;
@@ -24,7 +25,7 @@ import org.jetbrains.plugins.groovy.lang.psi.GrNamedElement;
 /**
  * @author ilyas
  */
-public interface GrLabeledStatement extends GrStatement, GrNamedElement {
+public interface GrLabeledStatement extends GrStatement, GrNamedElement, PsiNameIdentifierOwner {
   @Nullable
   GrStatement getStatement();
 

plugins/groovy/src/org/jetbrains/plugins/groovy/lang/psi/impl/statements/GrLabeledStatementImpl.java

@@ -99,4 +99,10 @@ public class GrLabeledStatementImpl extends GroovyPsiElementImpl implements GrLa
   public PsiElement getNameIdentifierGroovy() {
     return getLabel();
   }
+
+  @Nullable
+  @Override
+  public PsiElement getNameIdentifier() {
+    return getNameIdentifierGroovy();
+  }
 }

plugins/groovy/src/org/jetbrains/plugins/groovy/refactoring/GroovyRefactoringSupportProvider.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2012 JetBrains s.r.o.
+ * Copyright 2000-2013 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,11 +18,18 @@ package org.jetbrains.plugins.groovy.refactoring;
 
 import com.intellij.lang.refactoring.RefactoringSupportProvider;
 import com.intellij.psi.PsiElement;
+import com.intellij.psi.PsiFile;
+import com.intellij.psi.search.LocalSearchScope;
+import com.intellij.psi.search.PsiSearchHelper;
+import com.intellij.psi.search.SearchScope;
+import com.intellij.psi.util.PsiTreeUtil;
 import com.intellij.refactoring.RefactoringActionHandler;
 import com.intellij.refactoring.changeSignature.ChangeSignatureHandler;
 import org.jetbrains.annotations.Nullable;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrField;
+import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrLabeledStatement;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinition;
+import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMember;
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod;
 import org.jetbrains.plugins.groovy.refactoring.changeSignature.GrChangeSignatureHandler;
 import org.jetbrains.plugins.groovy.refactoring.extract.method.GroovyExtractMethodHandler;
@@ -63,8 +70,28 @@ public class GroovyRefactoringSupportProvider extends RefactoringSupportProvider
   }
 
   @Override
-  public boolean isInplaceRenameAvailable(PsiElement element, PsiElement context) {
-    return false;
+  public boolean isInplaceRenameAvailable(PsiElement elementToRename, PsiElement nameSuggestionContext) {
+    //local vars & params renames GrVariableInplaceRenameHandler
+
+    if (nameSuggestionContext != null && nameSuggestionContext.getContainingFile() != elementToRename.getContainingFile()) return false;
+    if (!(elementToRename instanceof GrLabeledStatement)) {
+      return false;
+    }
+    SearchScope useScope = PsiSearchHelper.SERVICE.getInstance(elementToRename.getProject()).getUseScope(elementToRename);
+    if (!(useScope instanceof LocalSearchScope)) return false;
+    PsiElement[] scopeElements = ((LocalSearchScope)useScope).getScope();
+    if (scopeElements.length > 1) {
+      return false;
+    }
+
+    PsiFile containingFile = elementToRename.getContainingFile();
+    return PsiTreeUtil.isAncestor(containingFile, scopeElements[0], false);
+
+  }
+
+  @Override
+  public boolean isMemberInplaceRenameAvailable(PsiElement element, PsiElement context) {
+    return element instanceof GrMember;
   }
 
   @Override