PyExtractSuperclassHandler.java

/*
 * Copyright 2000-2014 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.jetbrains.python.refactoring.classes.extractSuperclass;

import com.intellij.openapi.editor.Editor;
import com.intellij.openapi.project.Project;
import com.intellij.refactoring.RefactoringBundle;
import com.intellij.refactoring.util.CommonRefactoringUtil;
import com.jetbrains.python.PyBundle;
import com.jetbrains.python.psi.PyClass;
import com.jetbrains.python.psi.PyUtil;
import com.jetbrains.python.refactoring.classes.PyClassRefactoringHandler;
import com.jetbrains.python.refactoring.classes.PyMemberInfoStorage;
import com.jetbrains.python.vp.Creator;
import com.jetbrains.python.vp.ViewPresenterUtils;
import org.jetbrains.annotations.NotNull;

/**
 * @author Dennis.Ushakov
 */
public class PyExtractSuperclassHandler extends PyClassRefactoringHandler {
  public static final String REFACTORING_NAME = RefactoringBundle.message("extract.superclass.title");


  @Override
  protected void doRefactorImpl(@NotNull final Project project,
                                @NotNull final PyClass classUnderRefactoring,
                                @NotNull final PyMemberInfoStorage infoStorage,
                                @NotNull final Editor editor) {
    //TODO: Move to presenter
    if (PyUtil.filterOutObject(infoStorage.getClassMemberInfos(classUnderRefactoring)).isEmpty()) {
      CommonRefactoringUtil.showErrorHint(project, editor, PyBundle
        .message("refactoring.extract.super.class.no.members.allowed"), RefactoringBundle.message("extract.superclass.elements.header"),
                                          null);
      return;
    }

    ViewPresenterUtils.linkViewWithPresenterAndLaunch(PyExtractSuperclassPresenter.class, PyExtractSuperclassView.class,
                                                      new Creator<PyExtractSuperclassView, PyExtractSuperclassPresenter>() {
                                                        @NotNull
                                                        @Override
                                                        public PyExtractSuperclassPresenter createPresenter(@NotNull final PyExtractSuperclassView view) {
                                                          return new PyExtractSuperclassPresenterImpl(view, classUnderRefactoring,
                                                                                                      infoStorage);
                                                        }

                                                        @NotNull
                                                        @Override
                                                        public PyExtractSuperclassView createView(@NotNull final PyExtractSuperclassPresenter presenter) {
                                                          return new PyExtractSuperclassViewSwingImpl(classUnderRefactoring, project,
                                                                                                      presenter);
                                                        }
                                                      }
    );
  }


  @Override
  protected String getTitle() {
    return REFACTORING_NAME;
  }

  @Override
  protected String getHelpId() {
    return "refactoring.extractSuperclass";
  }
}