| /* |
| * 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. |
| * 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; |
| |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| import com.intellij.openapi.actionSystem.DataContext; |
| import com.intellij.openapi.actionSystem.LangDataKeys; |
| import com.intellij.openapi.actionSystem.PlatformDataKeys; |
| import com.intellij.openapi.application.ex.ApplicationManagerEx; |
| import com.intellij.openapi.editor.CaretModel; |
| import com.intellij.openapi.editor.Document; |
| import com.intellij.openapi.editor.Editor; |
| import com.intellij.openapi.editor.SelectionModel; |
| 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.lang.ElementsHandler; |
| import com.intellij.refactoring.util.CommonRefactoringUtil; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.psi.PyClass; |
| import com.jetbrains.python.psi.PyUtil; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author Dennis.Ushakov |
| */ |
| public abstract class PyClassRefactoringHandler implements RefactoringActionHandler, ElementsHandler { |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) { |
| PsiElement element1 = null; |
| PsiElement element2 = null; |
| final SelectionModel selectionModel = editor.getSelectionModel(); |
| if (selectionModel.hasSelection()) { |
| element1 = file.findElementAt(selectionModel.getSelectionStart()); |
| element2 = file.findElementAt(selectionModel.getSelectionEnd() - 1); |
| } |
| else { |
| final CaretModel caretModel = editor.getCaretModel(); |
| final Document document = editor.getDocument(); |
| int lineNumber = document.getLineNumber(caretModel.getOffset()); |
| if ((lineNumber >= 0) && (lineNumber < document.getLineCount())) { |
| element1 = file.findElementAt(document.getLineStartOffset(lineNumber)); |
| element2 = file.findElementAt(document.getLineEndOffset(lineNumber) - 1); |
| } |
| } |
| if (element1 == null || element2 == null) { |
| CommonRefactoringUtil.showErrorHint(project, editor, PyBundle.message("refactoring.introduce.selection.error"), getTitle(), |
| "members.pull.up"); |
| return; |
| } |
| doRefactor(project, element1, element2, editor, file, dataContext); |
| } |
| |
| public void invoke(@NotNull Project project, @NotNull PsiElement[] elements, DataContext dataContext) { |
| final PsiFile file = CommonDataKeys.PSI_FILE.getData(dataContext); |
| final Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| doRefactor(project, elements[0], elements[elements.length - 1], editor, file, dataContext); |
| } |
| |
| private void doRefactor(Project project, PsiElement element1, PsiElement element2, Editor editor, PsiFile file, DataContext dataContext) { |
| if (ApplicationManagerEx.getApplicationEx().isUnitTestMode()) return; |
| |
| CommonRefactoringUtil.checkReadOnlyStatus(project, file); |
| |
| final PyClass clazz = PyUtil.getContainingClassOrSelf(element1); |
| if (!inClass(clazz, project, editor, "refactoring.pull.up.error.cannot.perform.refactoring.not.inside.class")) return; |
| assert clazz != null; |
| |
| final PyMemberInfoStorage infoStorage = PyClassMembersRefactoringSupport.getSelectedMemberInfos(clazz, element1, element2); |
| |
| doRefactorImpl(project, clazz, infoStorage, editor); |
| } |
| |
| |
| protected abstract void doRefactorImpl(@NotNull final Project project, |
| @NotNull final PyClass classUnderRefactoring, |
| @NotNull final PyMemberInfoStorage infoStorage, |
| @NotNull final Editor editor); |
| |
| |
| |
| protected boolean inClass(PyClass clazz, Project project, Editor editor, String errorMessageId) { |
| if (clazz == null) { |
| CommonRefactoringUtil.showErrorHint(project, editor, PyBundle.message(errorMessageId), getTitle(), getHelpId()); |
| return false; |
| } |
| return true; |
| } |
| |
| protected abstract String getTitle(); |
| protected abstract String getHelpId(); |
| |
| public boolean isEnabledOnElements(PsiElement[] elements) { |
| return elements.length == 1 && elements[0] instanceof PyClass; |
| } |
| } |