| /* |
| * 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.magicLiteral; |
| |
| import com.intellij.openapi.actionSystem.CommonDataKeys; |
| 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.psi.util.PsiTreeUtil; |
| import com.intellij.refactoring.rename.RenameDialog; |
| import com.intellij.refactoring.rename.RenameHandler; |
| import com.jetbrains.python.psi.PyStringLiteralExpression; |
| import com.jetbrains.python.psi.StringLiteralExpression; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author traff |
| */ |
| public class PyMagicLiteralRenameHandler implements RenameHandler { |
| @Override |
| public boolean isAvailableOnDataContext(final DataContext dataContext) { |
| final Editor editor = CommonDataKeys.EDITOR.getData(dataContext); |
| if (editor == null) { |
| return false; |
| } |
| |
| final PsiFile file = CommonDataKeys.PSI_FILE.getData(dataContext); |
| if (file == null) { |
| return false; |
| } |
| |
| final PsiElement element = getElement(file, editor); |
| |
| return !((element == null) || !PyMagicLiteralTools.isMagicLiteral(element)); |
| } |
| |
| @Nullable |
| private static PsiElement getElement(PsiFile file, Editor editor) { |
| PsiElement element = file.findElementAt(editor.getCaretModel().getCurrentCaret().getOffset()); |
| if (element instanceof PyStringLiteralExpression) { |
| return element; |
| } |
| return PsiTreeUtil.getParentOfType(element, StringLiteralExpression.class); |
| } |
| |
| @Override |
| public boolean isRenaming(DataContext dataContext) { |
| return isAvailableOnDataContext(dataContext); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file, DataContext dataContext) { |
| PsiElement element = getElement(file, editor); |
| if (element == null) { |
| return; |
| } |
| RenameDialog.showRenameDialog(dataContext, new RenameDialog(project, element, null, editor)); |
| } |
| |
| @Override |
| public void invoke(@NotNull Project project, @NotNull PsiElement[] elements, DataContext dataContext) { |
| throw new UnsupportedOperationException(); |
| } |
| } |