| /* |
| * 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.codeInsight.intentions; |
| |
| import com.intellij.codeInsight.intention.impl.BaseIntentionAction; |
| 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.tree.IElementType; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.util.IncorrectOperationException; |
| import com.jetbrains.python.PyBundle; |
| import com.jetbrains.python.PyTokenTypes; |
| import com.jetbrains.python.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * Created by IntelliJ IDEA. |
| * Author: Alexey.Ivanov |
| * Date: 10.03.2010 |
| * Time: 18:52:52 |
| */ |
| public class PySplitIfIntention extends BaseIntentionAction { |
| @NotNull |
| public String getFamilyName() { |
| return PyBundle.message("INTN.split.if"); |
| } |
| |
| public boolean isAvailable(@NotNull Project project, Editor editor, PsiFile file) { |
| if (!(file instanceof PyFile)) { |
| return false; |
| } |
| |
| PsiElement elementAtOffset = file.findElementAt(editor.getCaretModel().getOffset()); |
| if (elementAtOffset == null || elementAtOffset.getNode() == null) { |
| return false; |
| } |
| |
| // PY-745 |
| final IElementType elementType = elementAtOffset.getNode().getElementType(); |
| if (elementType == PyTokenTypes.COLON) { |
| elementAtOffset = elementAtOffset.getPrevSibling(); |
| elementAtOffset = PyUtil.getFirstNonCommentBefore(elementAtOffset); |
| } |
| else if (elementType == PyTokenTypes.IF_KEYWORD) { |
| elementAtOffset = elementAtOffset.getNextSibling(); |
| elementAtOffset = PyUtil.getFirstNonCommentAfter(elementAtOffset); |
| } |
| |
| PsiElement element = PsiTreeUtil.getParentOfType(elementAtOffset, PyBinaryExpression.class, false); |
| if (element == null) { |
| return false; |
| } |
| |
| while (element.getParent() instanceof PyBinaryExpression) { |
| element = element.getParent(); |
| } |
| if (((PyBinaryExpression)element).getOperator() != PyTokenTypes.AND_KEYWORD |
| || ((PyBinaryExpression) element).getRightExpression() == null) { |
| return false; |
| } |
| final PsiElement parent = element.getParent(); |
| if (!(parent instanceof PyIfPart)) { |
| return false; |
| } |
| setText(PyBundle.message("INTN.split.if.text")); |
| return true; |
| } |
| |
| public void invoke(@NotNull Project project, Editor editor, PsiFile file) throws IncorrectOperationException { |
| PsiElement elementAtOffset = file.findElementAt(editor.getCaretModel().getOffset()); |
| // PY-745 |
| final IElementType elementType = elementAtOffset.getNode().getElementType(); |
| if (elementType == PyTokenTypes.COLON) { |
| elementAtOffset = elementAtOffset.getPrevSibling(); |
| elementAtOffset = PyUtil.getFirstNonCommentBefore(elementAtOffset); |
| } |
| else if (elementType == PyTokenTypes.IF_KEYWORD) { |
| elementAtOffset = elementAtOffset.getNextSibling(); |
| elementAtOffset = PyUtil.getFirstNonCommentAfter(elementAtOffset); |
| } |
| |
| PyBinaryExpression element = PsiTreeUtil.getParentOfType(elementAtOffset, PyBinaryExpression.class, false); |
| while (element.getParent() instanceof PyBinaryExpression) { |
| element = (PyBinaryExpression)element.getParent(); |
| } |
| PyIfStatement ifStatement = PsiTreeUtil.getParentOfType(element, PyIfStatement.class); |
| PyElementGenerator elementGenerator = PyElementGenerator.getInstance(project); |
| |
| PyIfStatement subIf = (PyIfStatement) ifStatement.copy(); |
| |
| subIf.getIfPart().getCondition().replace(element.getRightExpression()); |
| ifStatement.getIfPart().getCondition().replace(element.getLeftExpression()); |
| PyStatementList statementList = elementGenerator.createFromText(LanguageLevel.getDefault(), PyIfStatement.class, "if a:\n a = 1").getIfPart().getStatementList(); |
| statementList.getStatements()[0].replace(subIf); |
| PyIfStatement newIf = elementGenerator.createFromText(LanguageLevel.getDefault(), PyIfStatement.class, "if a:\n a = 1"); |
| newIf.getIfPart().getCondition().replace(ifStatement.getIfPart().getCondition()); |
| newIf.getIfPart().getStatementList().replace(statementList); |
| for (PyIfPart elif : ifStatement.getElifParts()) |
| newIf.add(elif); |
| if (ifStatement.getElsePart() != null) { |
| newIf.add(ifStatement.getElsePart()); |
| } |
| ifStatement.replace(newIf); |
| } |
| } |