platform/lang-api/src/com/intellij/refactoring/changeSignature/ChangeSignatureHandler.java

/*
 * Copyright 2000-2010 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.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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.intellij.refactoring.changeSignature;

import com.intellij.openapi.actionSystem.DataContext;
import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.refactoring.RefactoringActionHandler;
import com.intellij.refactoring.RefactoringBundle;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * @author Maxim.Medvedev
 */
public interface ChangeSignatureHandler extends RefactoringActionHandler {
  String REFACTORING_NAME = RefactoringBundle.message("changeSignature.refactoring.name");

  @Nullable
  PsiElement findTargetMember(PsiFile file, Editor editor);

  @Nullable
  PsiElement findTargetMember(PsiElement element);

  @Override
  void invoke(@NotNull Project project, @NotNull PsiElement[] elements, @Nullable DataContext dataContext);

  @Nullable
  String getTargetNotFoundMessage();
}